WO2024087992A1 - 转轴机构及可折叠电子设备 - Google Patents
转轴机构及可折叠电子设备 Download PDFInfo
- Publication number
- WO2024087992A1 WO2024087992A1 PCT/CN2023/121552 CN2023121552W WO2024087992A1 WO 2024087992 A1 WO2024087992 A1 WO 2024087992A1 CN 2023121552 W CN2023121552 W CN 2023121552W WO 2024087992 A1 WO2024087992 A1 WO 2024087992A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support plate
- swing arm
- shaft cover
- shaft
- connecting frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
- H04M1/022—The hinge comprising two parallel pivoting axes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
Definitions
- the present application relates to the field of electronic equipment, and in particular to a hinge mechanism and a foldable electronic equipment.
- Folding screens have the property of being bendable, which enables electronic devices equipped with folding screens, i.e. foldable electronic devices, to switch between an unfolded state and a folded state.
- Foldable electronic devices have a large display area and are easy to carry, and are increasingly favored by consumers.
- the hinge mechanism is the core functional structure of the foldable electronic device, which is used to realize the relative rotation between the two main parts of the foldable electronic device, and realize the unfolding or folding of the foldable screen through the relative rotation between the two main parts.
- the foldable electronic device When the two main parts rotate to be coplanar, the foldable electronic device is in an unfolded state, at which time the foldable screen is in an unfolded state and has a larger display area; when the two main parts rotate to overlap, the foldable electronic device is in a folded state and has a smaller volume, at which time the foldable screen is in a folded state.
- the structure of the existing hinge mechanism is relatively complex, and the supporting stability of the folding screen is poor, which affects the use effect and stability of the folding screen.
- the present application provides a hinge mechanism and a foldable electronic device.
- the hinge mechanism has a simple structure and good supporting stability for the folding screen, which can improve the use effect of the folding screen and reduce the risk of failure of the folding screen.
- the present application provides a hinge mechanism, which is applied to a foldable electronic device, and the hinge mechanism includes: a hinge cover, a main swing arm, a support plate swing arm, a support plate, and at least one set of connecting frames;
- the connecting frame group includes two connecting frames, which are respectively located on both sides of the shaft cover in the width direction, and the main swing arm and the support plate swing arm are connected between the connecting frames and the shaft cover; the first end of the main swing arm is connected to the connecting frame, and the second end of the main swing arm is connected to the shaft cover in a sliding and rotational manner; the first end of the support plate swing arm is connected to the connecting frame, and the second end of the support plate swing arm is connected to the shaft cover;
- the support plate extends along the length direction of the shaft cover and is arranged on the side of the shaft cover facing the folding screen of the foldable electronic device.
- the side edge of the support plate extends to the side of the shaft cover and overlaps the connecting frame, and the support plate is connected to the support plate swing arm; wherein, the support plate is a plate-like member that can produce elastic deformation, and the connecting frame moves relative to the shaft cover through the main swing arm and the support plate swing arm to switch between the unfolded state and the folded state, driving the support plate to switch between the unfolded state and the folded state synchronously with the folding screen.
- the shaft mechanism provided in the present application is provided with a shaft cover as the main supporting structure, and a connecting frame is provided on both sides of the shaft cover to form a connecting frame group, and the connecting frame and the shaft cover are movably connected through a main swing arm and a support plate swing arm to realize the connecting frame Rotation and displacement relative to the shaft cover.
- a support plate that can produce elastic deformation on the side of the shaft cover facing the folding screen
- the support plate is used to support the foldable part of the folding screen.
- the support plate can be bent or flattened along with the foldable part, and plays a good supporting role for the foldable part.
- the support plate is positioned by the support plate swing arm, and the movement of the support plate will not be restricted.
- the design of the integrated support plate can simplify the structure of the hinge mechanism, reduce the difficulty of manufacturing and assembling the hinge mechanism, and has good support stability for the foldable part of the folding screen, which can ensure the flatness of the folding screen, prevent local stress concentration in the foldable part, and reduce the risk of failure of the folding screen.
- the middle area of the support plate in the width direction is a hollow portion, and the hollow portion covers the entire area of the support plate in the length direction.
- the bendability of the support plate can be improved, and the stability of the support plate moving synchronously with the foldable part of the folding screen can be ensured.
- the hollow part cover the entire area of the length direction of the support plate, the shape consistency of the support plate in the bent state can be guaranteed, ensuring that the support plate supports the folding screen stably.
- a plurality of strip-shaped openings are distributed in the hollow portion, and the strip-shaped openings extend along the length direction of the support plate.
- a hollow portion is formed by opening a plurality of strip openings in the middle area in the width direction of the support plate, and the strip openings are extended along the length direction of the support plate, so that the support plate can be easily bent along its length direction, and the strength of the support plate in the width direction is less affected, thereby ensuring the reliability of the support plate.
- adjacent strip-shaped openings are staggered in the length direction of the support plate.
- the strip openings are more evenly distributed in the hollow portion to ensure that the support plate has good bending performance and to prevent excessive strength differences between different areas of the support plate, thereby avoiding affecting the reliability of the support plate.
- the strip-shaped opening includes a first strip-shaped opening and a second strip-shaped opening, the first strip-shaped opening is enclosed in a closed shape, and the second strip-shaped opening is connected to the end surface of the support plate.
- the overall playability of the support plate is ensured.
- a second strip opening connected to the end face of the support plate so that the two ends of the support plate in the length direction have a disconnected area, the bendability of the two ends of the support plate is ensured, thereby ensuring the consistency of the bendability of the support plate along the length direction and ensuring the reliability of the support plate.
- the support plate is a metal plate.
- one of the support plate and the support plate swing arm is provided with a positioning hole, and the other is provided with a positioning column extending toward the other, and the positioning column is inserted into the positioning hole.
- the positioning column is inserted into the positioning hole to achieve the positioning of the support plate.
- both ends of the shaft cover in the length direction are provided with stop edges, the stop edges protrude on the side surface of the shaft cover facing the folding screen, and both ends of the support plate in the length direction are respectively abutted against the corresponding stop edges.
- stop edges at both ends of the shaft cover By setting stop edges at both ends of the shaft cover in the length direction, the stop edges are protruded on the side surface of the shaft cover facing the folding screen.
- the stop edges at both ends of the shaft cover abut against the corresponding two ends of the support plate, so that the support plate is confined between the two ends of the shaft cover, and the support plate is preliminarily positioned.
- a first rotating shaft is installed on the connecting frame, a first arc-shaped groove is opened on the shaft cover, and the main swing arm includes a rotating part, a connecting plate part and a first arc-shaped sliding part from the first end to the second end, the rotating part is sleeved on the first rotating shaft, and the first arc-shaped sliding part slides in the first arc-shaped groove.
- the rotating part of the main swing arm can be sleeved on the first rotating shaft and rotate around the first rotating shaft, the first arc-shaped sliding part of the main swing arm can extend into the first arc-shaped groove and slide along the first arc-shaped groove, and the connecting plate part of the main swing arm provides torque for the rotation of the main swing arm, so as to realize the rotation of the connecting frame relative to the shaft cover, and at the same time realize the movement of the connecting frame away from or close to the shaft cover.
- a first sliding groove is provided on the connecting frame
- a second arc-shaped groove is provided on the shaft cover
- the support plate swing arm includes a sliding shaft portion, a connecting portion, and a second arc-shaped sliding portion from the first end to the second end, the sliding shaft portion slides and rotates in the first sliding groove, and the second arc-shaped sliding portion slides in the second arc-shaped groove.
- the sliding shaft portion of the support plate swing arm can slide along the first sliding groove and rotate around its own axis
- the second arc sliding portion of the support plate swing arm can extend into the second arc groove and slide along the second arc groove
- the connecting portion of the support plate swing arm provides torque for the rotation of the support plate swing arm to realize the rotation and displacement of the connecting frame relative to the shaft cover, and the support plate swing arm can adjust its own moving state in coordination with the movement of the support plate.
- the connecting frame group includes at least two groups, and each group of connecting frames is arranged at intervals along the length direction of the shaft cover;
- the main swing arm and the support plate swing arm are connected between the two connecting frames of each connecting frame group and the axle cover.
- each set of connecting frame groups is movably connected to the shaft cover through the main swing arm and the support plate swing arm to ensure the stability of the movement of the connecting frame group relative to the shaft cover.
- the rotating shaft mechanism further includes a synchronous damping swing arm, and a synchronous damping swing arm is connected between two connecting frames of at least one connecting frame group and the shaft cover;
- the connecting frame is provided with a second sliding groove
- the shaft cover is provided with a synchronous limiting structure
- the synchronous damping swing arm includes a slide plate part and a sleeve part
- the slide plate part slides in the second sliding groove
- the sleeve part is connected to the synchronous limiting structure
- the synchronous limiting structure enables the connecting frames located on both sides of the shaft cover to rotate and slide synchronously relative to the shaft cover.
- the synchronous damping swing arm is connected between the connecting frame and the shaft cover, and the synchronous damping swing arm cooperates with the synchronous limiting structure provided on the shaft cover through its shaft sleeve part, and extends into the second slide groove provided on the connecting frame through its slide plate part to slide.
- the shaft sleeve part rotates and slides relative to the synchronous limiting structure, and the shaft sleeve parts of the synchronous damping swing arm located on both sides of the shaft cover move synchronously through the synchronous limiting structure, so that the connecting frames on both sides of the shaft cover are driven to move synchronously through the synchronous damping swing arm, so as to realize the synchronous action of the first shell and the second shell, and ensure the smoothness and accuracy of the movement of the foldable electronic device.
- the synchronous limiting structure includes a sliding seat and two second rotating shafts, the two second rotating shafts are symmetrically arranged on both sides of the shaft cover in the width direction, the sliding seat has mounting grooves on both sides, and the two second rotating shafts pass through the mounting grooves on both sides respectively;
- the shaft sleeve parts of the synchronous damping swing arms on both sides are respectively sleeved on the second rotating shafts on both sides and are respectively located in the mounting grooves on both sides.
- the sliding seat is used to drive the shaft sleeve parts on both sides to rotate synchronously.
- Two second rotating shafts are symmetrically arranged on both sides of the shaft cover in the width direction, and a sliding seat that can slide along the axial direction is sleeved on the second rotating shaft, and the shaft sleeves of the synchronous damping swing arms on both sides are sleeved on the two second rotating shafts respectively, and the shaft sleeves on both sides are respectively located in the mounting grooves on both sides of the sliding seat, and the shaft sleeves of the synchronous damping swing arms on both sides can be moved by the sliding seat.
- the power is transmitted to each other, so that the shaft sleeve parts on both sides rotate synchronously, thereby realizing the synchronous movement of the synchronous damping swing arms on both sides.
- At least one guide protrusion is provided on the opposite groove walls of the mounting grooves on both sides, and the guide protrusions in the mounting grooves on both sides are symmetrically arranged, at least one spiral hole is opened on the shaft sleeve parts on both sides, and the spiral holes on the shaft sleeve parts on both sides are symmetrically arranged, and the guide protrusions extend into the corresponding spiral holes.
- the sliding seat then cooperates with the sleeve part of the synchronous damping swing arm on the other side to transmit power to the sleeve part of the synchronous damping swing arm on the other side, thereby realizing synchronous rotation of the sleeve parts of the synchronous damping swing arms on both sides.
- the shaft sleeve portion is provided with at least two spiral holes, and the spiral holes are spaced apart along the axial direction of the shaft sleeve portion.
- the cooperation between the guide protrusions and the spiral holes can improve the accuracy of the synchronous movement of the synchronous damping swing arms on both sides, improve the consistency and stability of the opening and closing between the first shell and the second shell, and decompose the friction force during the rotation of the synchronous damping swing arm, thereby improving the service life of the rotating shaft mechanism.
- the synchronous limiting structure further includes an assembly seat, which is disposed at one end of the sliding seat, and one end of the second rotating shaft corresponding to the assembly seat extends out of the sliding seat and is connected to the assembly seat.
- the assembly seat is connected to the second rotating shaft to limit the sliding range of the sliding seat within the length range of the second rotating shaft to prevent the sliding seat from escaping from the second rotating shaft.
- the rotating shaft mechanism further includes a damping member, which is mounted on the connecting frame and arranged corresponding to the synchronous damping swing arm;
- At least one side of the slide plate portion corresponding to the length direction of the shaft cover is the force transmission side
- the damping element is arranged corresponding to the force transmission side and abuts against the force transmission side
- the slide plate portion slides in the second slide groove so that different parts of the force transmission side abut against the damping element to change the elastic deformation generated by the damping element.
- the damping member By installing a damping member on the connecting frame, the damping member is located on the side of the slide plate portion of the synchronous damping swing arm, and the side wall of the slide plate portion corresponding to the damping member is set as the force transmission side, and the force transmission side abuts against the damping member.
- the connecting frame moves relative to the shaft cover, as the slide plate portion slides in the second slide groove of the connecting frame, different parts of the force transmission side of the slide plate portion abut against the damping member, and the slide plate portion generates different pressures on the damping member, causing the damping member to generate different degrees of elastic deformation.
- the damping member When the damping member generates a large elastic force so that there is sufficient damping force between the connecting frame and the shaft cover, the housing assembly can be suspended in a semi-expanded state.
- the force transmission side is alternately provided with concave portions and convex portions along its extension direction, and as the slide plate slides, the damping element abuts against the concave portions or the convex portions and generates elastic deformation.
- the damping member By setting the concave and convex parts lower on the force transmission side of the slide plate part of the synchronous damping swing arm, during the sliding process of the slide plate part, the damping member abuts against the alternately set concave and convex parts in sequence, the pressure of the force transmission side of the slide plate part on the damping member changes, the compression amount generated by the elastic deformation of the damping member changes accordingly, and the elastic force generated by the damping member changes accordingly, which can change the damping force between the connecting frame and the shaft cover.
- both sides of the slide plate portion corresponding to the shaft cover in the length direction are force transmission sides, and damping elements are correspondingly provided on the force transmission sides on both sides;
- the concave parts and the convex parts on the force transmission sides on both sides correspond to each other.
- both sides of the slide plate are set as the force transmission side, and the force transmission sides on both sides are
- the concave and convex parts are arranged in correspondence, and the two sides of the slide plate generate forces between the damping components on both sides, which can improve the stability of the slide plate movement of the synchronous damping swing arm and improve the stability of the movement of the housing assembly.
- the damping components on both sides provide damping force for the rotation of the connecting frame relative to the shaft cover, which can improve the stability of the housing assembly when it is in a semi-expanded state.
- the damping member includes a fixed end, a deformation section and a movable end connected in sequence, the fixed end is away from the force transmission side and fixed to the connecting frame, the movable end abuts against the force transmission side, and the deformation section generates elastic deformation as the movable end moves.
- the damping member is designed to include a fixed end, a deformation section and a movable end in sequence from an end away from the slide portion to an end close to the slide portion, the fixed end is fixed on the connecting frame, the movable end abuts against the force transmission side of the slide portion, the movable end moves with the movement of the slide portion, and the force is transmitted to the deformation section, the deformation section then generates elastic deformation to provide elastic force, and the damping force between the connecting frame and the shaft cover is provided by relying on the elastic force of the damping member.
- the shaft cover includes a cover plate and a plurality of reinforcement parts, each reinforcement part is arranged at intervals on a side surface of the cover plate facing the folding screen, and the main swing arm and the support plate swing arm are both connected to the reinforcement part.
- the reinforcement portion and the cover plate together constitute a shaft cover.
- the thickness of the cover plate can be thinner, and the installation of components such as the main swing arm and the support plate swing arm can be achieved through the reinforcement portion to reduce the overall thickness of the shaft cover, and ensure the strength of the shaft cover to meet the reliability requirements of the shaft cover.
- the cover plate is made of metal material
- the reinforcement part is made of polymer material
- the cover plate and the reinforcement part are an integrally formed structure.
- the appearance of the shaft cover can be improved while meeting the requirements of thinness and lightness of the shaft cover, and the strength of the shaft cover can also be improved.
- the integrity of the shaft cover is better and the structure of the shaft cover is simplified.
- a curved groove is provided on a surface of the shaft cover facing the folding screen, and the curved groove is used to support the curved bottom of the support plate when it is in a folded state;
- the arc groove is located in the middle area of the shaft cover in the width direction, and the arc groove extends along the length direction of the shaft cover and covers each reinforcement part.
- An arc groove is provided on the surface of the shaft cover facing the folding screen, the arc groove is formed on each reinforcing part, and the arc groove on each reinforcing part extends along the length direction of the shaft cover.
- the arc groove is located in the middle area in the width direction of the shaft cover, and the arc groove corresponds to the curved bottom of the support plate. When the support plate is in a bent state, its curved bottom is supported in the arc groove.
- the arc groove can make the curved bottom of the support plate naturally stretched, thereby protecting the support plate from being squeezed.
- the present application provides a foldable electronic device, including a first housing, a second housing, a folding screen, and the aforementioned hinge mechanism;
- the connecting frames on both sides of the shaft cover of the hinge mechanism are respectively connected to the first shell and the second shell.
- the folding screen is located on the side where the support plate of the hinge mechanism is located, and the folding screen is connected to the first shell and the second shell.
- the foldable electronic device provided by the present application has a hinge mechanism connected between a first shell and a second shell to form a shell assembly, and the first shell and the second shell are driven to move relative to each other by the hinge mechanism.
- the folding screen is supported and fixed on the first shell and the second shell, and the folding screen is unfolded or folded with the movement of the shell assembly.
- the hinge mechanism is provided by setting a shaft cover as the main supporting structure, and a connecting frame is provided on both sides of the shaft cover to form a connecting frame group.
- the connecting frame and the shaft cover are movably connected by a main swing arm and a support plate swing arm to realize the rotation and displacement of the connecting frame relative to the shaft cover.
- a support plate that can generate elastic deformation is provided on the side of the shaft cover facing the folding screen, and the support plate is used to support the foldable part of the foldable screen.
- the support plate can be bent or flattened along with the foldable part, and plays a good supporting role for the foldable part.
- the support plate is positioned by the support plate swing arm.
- the integrated support plate design simplifies the structure of the hinge mechanism, reduces the difficulty of manufacturing and assembling the hinge mechanism, and provides good support stability for the foldable part of the folding screen, which ensures the flatness of the folding screen, prevents local stress concentration in the foldable part, and reduces the risk of failure of the folding screen.
- the folding screen includes a screen body and a reinforcing sheet, wherein the reinforcing sheet is connected to a surface of a side of the screen body facing the rotating shaft mechanism, and the reinforcing sheet corresponds to the rotating shaft mechanism.
- the reinforcing sheet By adding a reinforcing sheet on the surface of the screen facing the hinge mechanism and corresponding to the hinge mechanism, the reinforcing sheet can improve the strength of the folding screen, provide auxiliary force for the bending and flattening of the screen, and ensure the reliability of the screen during long-term use.
- FIG1 is a schematic structural diagram of a foldable electronic device in an unfolded state provided by an embodiment of the present application
- FIG2 is a schematic structural diagram of the foldable electronic device shown in FIG1 in a folded state
- FIG3 is a schematic structural diagram of the foldable electronic device shown in FIG1 in a semi-expanded state
- FIG4 is a schematic diagram of an exploded structure of a foldable electronic device provided in an embodiment of the present application.
- FIG5 is a schematic diagram of the exploded structure of the housing assembly shown in FIG4 ;
- FIG6 a is an exploded structural diagram of the rotating shaft mechanism shown in FIG5 in an expanded state
- FIG6 b is an exploded structural diagram of the rotating shaft mechanism shown in FIG5 in a folded state
- FIG7 a is a cross-sectional schematic diagram of the folding screen assembled on the hinge mechanism in the unfolded state
- FIG7 b is a cross-sectional schematic diagram of the folding screen assembled on the hinge mechanism in a folded state
- FIG8 is a schematic diagram of the structure of a support plate provided in an embodiment of the present application.
- FIG9 is a schematic cross-sectional view of the support plate in FIG8 ;
- FIG10 is a partial enlarged view of point A in FIG8 ;
- FIG11a is a front view of a rotating shaft body provided in an embodiment of the present application.
- FIG11 b is a rear view of the rotating shaft body provided in an embodiment of the present application.
- FIG12 is a schematic diagram of the exploded structure of the shaft body provided in an embodiment of the present application.
- FIG13 is a partial enlarged view of point B in FIG11a;
- FIG14 is a partial enlarged view of point C in FIG12;
- Fig. 15a is a schematic cross-sectional view taken along line A-A in Fig. 13;
- FIG15b is a cross-sectional schematic diagram corresponding to the folded state of FIG15a;
- Fig. 16a is a schematic cross-sectional view taken along line B-B in Fig. 13;
- FIG16b is a cross-sectional schematic diagram corresponding to the folded state of FIG16a;
- FIG17a is a partial enlarged view of point D in FIG11a;
- FIG17b is a partial enlarged view of point E in FIG11b;
- FIG18a is a partial structural diagram of the coordination between the synchronous damping swing arm and the synchronous limit structure
- FIG18 b is a partial structural diagram of the synchronous damping swing arm and the damping member
- FIG19 is a schematic diagram of the structure of a shaft cover provided in an embodiment of the present application.
- Figure 20 is a partial cross-sectional view of the folding screen and the support plate provided in an embodiment of the present application installed on the shaft cover.
- the embodiment of the present application provides a foldable electronic device, which includes but is not limited to foldable electronic products such as mobile phones, tablet computers (tablet personal computers), laptop computers, notebook computers, personal digital assistants (PDAs), personal computers, multimedia players, e-book readers, vehicle-mounted devices or wearable devices.
- foldable electronic products such as mobile phones, tablet computers (tablet personal computers), laptop computers, notebook computers, personal digital assistants (PDAs), personal computers, multimedia players, e-book readers, vehicle-mounted devices or wearable devices.
- wearable devices include but are not limited to smart bracelets, smart watches, smart head-mounted displays, smart glasses, etc.
- FIG1 is a schematic diagram of the structure of a foldable electronic device provided in an embodiment of the present application when it is in an unfolded state
- FIG2 is a schematic diagram of the structure of the foldable electronic device shown in FIG1 when it is in a folded state
- FIG3 is a schematic diagram of the structure of the foldable electronic device shown in FIG1 when it is in a semi-expanded state.
- this embodiment is described by taking the foldable electronic device 1 as a foldable mobile phone as an example.
- the foldable electronic device 1 can have different usage states in different usage scenarios.
- FIG1 shows the foldable electronic device 1 in the unfolded state, and the unfolding angle ⁇ of the foldable electronic device 1 is, for example, 180°.
- the foldable electronic device 1 can achieve a large screen display
- FIG2 shows the foldable electronic device 1 in the folded state, at this time, the foldable electronic device 1 is small in size and easy to carry
- FIG3 shows the foldable electronic device 1 in the semi-expanded state, at this time, the foldable electronic device 1 is suspended at a certain angle between the unfolded state and the folded state.
- the suspension angle ⁇ of the foldable electronic device 1 can be 120°, 130°, 140° or 150°, etc.
- the angles illustrated in this embodiment are all allowed to have a slight deviation.
- the unfolding angle ⁇ of the foldable electronic device 11 shown in FIG. 1 is 180°, which means that the unfolding angle ⁇ can be 180°, or about 180°, such as 170°, 175°, 185° or 190°.
- the angles illustrated in the following text can be understood in the same way.
- the foldable electronic device 1 shown in Figures 1 to 3 is an electronic device that can be folded once, and the electronic device includes two parts that can rotate relative to each other.
- the foldable electronic device 1 When the two parts rotate to be coplanar, the foldable electronic device 1 is in an unfolded state (as shown in Figure 1), when the two parts rotate to overlap each other, the foldable electronic device 1 is in a folded state (as shown in Figure 2), and when the two parts rotate to hover at a certain angle between the unfolded state and the folded state, the foldable electronic device 1 is in a semi-expanded state (as shown in Figure 3).
- the foldable electronic device 1 can also be an electronic device that can be folded multiple times (more than twice), in which case the foldable electronic device 1 can include multiple parts that are connected by sequential rotation, and two adjacent parts can also be relatively far apart to unfold to the unfolded state, and two adjacent parts can be relatively close to fold to the folded state.
- FIG4 is a schematic diagram of the exploded structure of a foldable electronic device provided in an embodiment of the present application.
- the foldable electronic device 1 includes a foldable screen 10 and a shell assembly 20.
- the foldable screen 10 is supported and connected to a side surface of the shell assembly 20.
- the side surface of the foldable screen 10 facing away from the shell assembly 20 is its display surface (not shown in the figure).
- the display surface is used to display information and provide an interactive interface for the user.
- the display surface of the foldable screen 10 is defined as its front surface, and the other side surface of the foldable screen 10 opposite to the front surface is defined as its back surface. That is, the front surface of the foldable screen 10 is exposed outside the shell assembly 20, and the back surface of the foldable screen 10 faces the shell assembly 20 and is connected to the shell assembly 20.
- the folding screen 10 can be, but is not limited to, an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED) display screen, a mini organic light-emitting diode display screen, a micro ...
- OLED organic light-emitting diode
- AMOLED active-matrix organic light-emitting diode
- mini organic light-emitting diode display screen a micro ...
- mini organic light-emitting diode display screen a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a mini organic light-emitting diode display screen, a
- the foldable screen 10 may include a first part 10a, a second part 10b and a foldable part 10c, and the foldable part 10c is located between the first part 10a and the second part 10b.
- the first part 10a and the second part 10b always maintain a planar state, and the foldable part 10c can be bent to change the angle between the first part 10a and the second part 10b, so that the foldable screen 10 folds or unfolds with the movement of the shell assembly 20, so as to realize the switching of the foldable electronic device 1 between the folded state and the unfolded state.
- the foldable part 10c is made of flexible material
- the first part 10a and the second part 10b can be made of flexible material, or can be made of rigid material, or can be made of partially rigid material and partially flexible material, which is not limited in this embodiment.
- the folding screen 10 can switch between the unfolded state and the folded state.
- the first part 10a and the second part 10b are in a relatively far unfolded state
- the foldable part 10c is in a flattened state without bending
- the first part 10a, the second part 10b and the foldable part 10c are in the same direction and in a coplanar state.
- the angle between the first part 10a and the second part 10b is 180°, and the folding screen 10 can achieve a large-screen display, which can provide users with richer information and bring users a better user experience.
- the folding screen 10 when the folding screen 10 is in the folded state, the first part 10a and the second part 10b are stacked relative to each other, and the foldable part 10c is in a bent state.
- the foldable part 10c can be in the shape of a water drop, for example.
- the folding screen 10 is invisible to the user, and the housing assembly 20 protects the folding screen 10 from being scratched.
- This foldable electronic device 1 is an inward-folding electronic device.
- the foldable electronic device 1 can also be an outward-folding electronic device.
- the first part 10a and the second part 10b of the folding screen 10 are opposite to each other, the housing assembly 20 is located between the first part 10a and the second part 10b, and the folding screen 10 is surrounded by the housing assembly 20 and is visible to the user. It can be understood that whether it is an inward-folding electronic device or an outward-folding electronic device, the foldable electronic device 1 is small in size when in the folded state, and is easy to carry and store.
- the housing assembly 20 can also use its own damping force to suspend in a semi-expanded state between the folded state and the unfolded state, and the folding screen 10 stays in the semi-expanded state along with the housing assembly 20.
- the foldable portion 10c of the folding screen 10 is also in a bent state, and the bending degree is less than the bending degree when in the folded state, and the first portion 10a and the second portion 10b of the folding screen 10 are relatively inclined, and the angle between the first portion 10a and the second portion 10b is, for example, 120°, 130°, 140° or 150°.
- the shell assembly 20 is used to support and fix the folding screen 10, and drive the folding screen 10 to switch between the folded state and the unfolded state.
- Figure 5 is a schematic diagram of the exploded structure of the shell assembly shown in Figure 4.
- the shell assembly 20 includes a first shell 100, a second shell 200 and a hinge mechanism 300, and the hinge mechanism 300 is connected between the first shell 100 and the second shell 200.
- the first shell 100 and the second shell 200 are rotatably connected through the hinge mechanism 300, thereby realizing relative rotation between the first shell 100 and the second shell 200.
- the first housing 100 supports and fixes the first part 10a of the folding screen 10
- the second housing 200 supports and fixes the second part 10b of the folding screen 10.
- the first part 10a of the folding screen 10 is fixedly connected to the first housing 100
- the second part 10b of the folding screen 10 is fixedly connected to the second housing 200
- the foldable part 10c of the folding screen 10 is arranged corresponding to the hinge mechanism 300.
- the first housing 100 and the second housing 200 are driven to rotate relative to each other by the rotating shaft mechanism 300, so that the foldable electronic device 1 Switching between the folded state and the unfolded state.
- the second shell 200 and the second shell 200 can also rotate in a direction away from each other until they are coplanar.
- the shell assembly 20 is in the unfolded state
- the folding screen 10 is in the unfolded state as the shell assembly 20 is unfolded, as shown in FIG1 ; the first shell 100 and the second shell 200 can rotate in a direction close to each other until they are relatively stacked.
- the shell assembly 20 is in the folded state, and the folding screen 10 is in the folded state as the shell assembly 20 is folded, as shown in FIG2 ; the first shell 100 and the second shell 200 can also rotate relatively until they stay between the folded state and the unfolded state.
- the shell assembly 20 is in a semi-expanded state (hovering state), and the angle between the first shell 100 and the second shell 200 is, for example, 120°, 130°, 140° or 150°, etc.
- the folding screen 10 is in the semi-expanded state with the shell assembly 20, and the angle between the first part 10a and the second part 10b of the folding screen 10 is determined by the angle between the first shell 100 and the second shell 200.
- the first shell 100 may have a support surface facing the first part 10a of the folding screen 10, and the first part 10a of the folding screen 10 is attached to the support surface of the first shell 100, for example, the first part 10a of the folding screen 10 is bonded to the support surface of the first shell 100;
- the second shell 200 may have a support surface facing the second part 10b of the folding screen 10, and the second part 10b of the folding screen 10 is attached to the support surface of the second shell 200, for example, the second part 10b of the folding screen 10 is bonded to the support surface of the second shell 200.
- both the first shell 100 and the second shell 200 may have a storage space, and some functional devices (not shown in the figure) of the foldable electronic device 1 may be installed in the storage space, for example, circuit boards, batteries, camera modules, microphones, speakers and other devices may be installed in the storage space.
- circuit boards may be provided in both the first shell 100 and the second shell 200, and the electrical connection between other devices is realized through the circuit boards in the two shells;
- the battery for powering the device may be provided only in the first shell 100 or the second shell 200, or the battery may be provided in both the first shell 100 and the second shell 200; as for other devices such as camera modules, microphones, speakers, etc., they may be centrally provided in the first shell 100 or the second shell 200, or some devices may be provided in the first shell 100 and some devices may be provided in the second shell 200.
- the first shell 100 and the second shell 200 may both include a middle frame (not shown in the figure) and a back cover (not shown in the figure).
- the middle frame is connected between the folding screen 10 and the back cover.
- the side surface of the middle frame facing the folding screen 10 forms the above-mentioned support surface.
- the side surface of the middle frame is used to support and fix the folding screen 10.
- the back cover is connected to the side surface of the middle frame away from the folding screen 10.
- the middle frame and the back cover together enclose a storage space for installing devices.
- the hinge mechanism usually has pressure plates on both sides of the shaft cover, and the pressure plates on both sides are respectively arranged corresponding to the two sides of the foldable part 10c of the folding screen 10, and the pressure plates on both sides are respectively facing the two sides of the foldable part 10c and fixedly connected to the foldable part 10c, and the foldable part 10c of the folding screen 10 is supported by the pressure plates and the folding state of the foldable part 10c is controlled to be a water drop shape.
- the hinge mechanism usually also has a floating plate on the side of the shaft cover facing the folding screen 10, and the floating plate floats up and down with the unfolding and folding of the hinge mechanism to support the foldable part 10c in different states (such as the flattened state and the bent state).
- the provision of the pressure plate and the floating plate increases the complexity of the hinge mechanism, and the manufacture and assembly of the various components of the hinge mechanism are difficult and costly.
- the pressure plate will limit the freedom of movement of the folding screen 10. There is usually a large gap between the pressure plates on both sides, and there will inevitably be a step difference between the pressure plate and the floating plate, which will affect the stability of the support for the folding screen 10.
- the folding screen 10 is repeatedly folded and unfolded, which can easily cause creases on the folding screen 10.
- a protective sheet (such as a steel sheet) is added between the folding screen 10 and the pressure plate to improve the problem of the large gap between the pressure plates.
- the protective sheet can also make up for the step difference between the pressure plate and the floating plate to improve the flatness of the folding screen 10.
- the protective sheet further increases the complexity of the hinge mechanism, which is not conducive to the manufacture and assembly of the hinge mechanism.
- the protective sheet also increases the overall thickness of the hinge mechanism and reduces the flexibility of the hinge mechanism.
- the embodiment of the present application improves the hinge mechanism 300 used to rotatably connect the first shell 100 and the second shell 200.
- the hinge mechanism 300 is provided with a support plate that can generate elastic deformation on the side of the shaft cover 310 facing the folding screen 10, and the support plate is used to support the foldable part 10c of the folding screen 10.
- the support plate can be bent or flattened with the foldable part 10c, and can play a good supporting role for the foldable part 10c.
- the use of a support plate instead of a pressure plate and a floating plate can simplify the structure of the hinge mechanism 300, make the hinge mechanism 300 easy to manufacture and assemble, and improve the production and assembly efficiency of the hinge mechanism 300.
- the design of the integrated support plate has good support stability for the foldable part 10c of the folding screen 10, and can ensure the flatness of the folding screen 10; when in the folded state, the support plate wraps the foldable part 10c of the folding screen 10, which can prevent the foldable part 10c from having local stress concentration in the scene of collision or falling, and can reduce the risk of failure of the folding screen 10.
- the rotating shaft mechanism 300 of this embodiment is described in detail below.
- FIG. 6a is an exploded structural diagram of the hinge mechanism shown in FIG. 5 in the unfolded state
- FIG. 6b is an exploded structural diagram of the hinge mechanism shown in FIG. 5 in the folded state.
- the hinge mechanism 300 includes a hinge body and a support plate 340.
- the hinge body is used to connect between the first housing 100 and the second housing 200, and the support plate 340 is connected to the side of the hinge body facing the folding screen 10.
- the hinge body is mainly used to drive the first housing 100 and the second housing 200 to rotate relative to each other, so as to realize the switching of the foldable electronic device 1 between the folded state and the unfolded state, and the damping force provided by the hinge body can make the first housing 100 and the second housing 200 stay in the semi-expanded state.
- the support plate 340 is mainly used to support the foldable part 10c of the folding screen 10.
- the support plate 340 is a plate-like member that can generate elastic deformation. Under the driving action of the hinge body, it can bend or flatten synchronously with the foldable part 10c of the folding screen 10.
- the shaft body includes a shaft cover 310, a connecting frame group 320 and a connecting assembly.
- the shaft cover 310 is the main supporting structure of the shaft body.
- the shaft cover 310 is located between the first shell 100 and the second shell 200, and the shaft cover 310 extends along the side of the opposite side of the first shell 100 and the second shell 200.
- the shaft cover 310 is equivalent to the rotation axis of the first shell 100 and the second shell 200, and the first shell 100 and the second shell 200 rotate around the length direction of the shaft cover 310.
- the shaft body is connected to the first shell 100 and the second shell 200 through the connecting frame group 320, and the connecting assembly is movably connected between the connecting frame group 320 and the shaft cover 310.
- the connecting assembly realizes the movement of the connecting frame group 320 relative to the shaft cover 310, so that the shaft body drives the first shell 100 and the second shell 200 to move relative to each other, and the housing assembly 20 is switched between the folded state and the unfolded state.
- the hinge body may include a group of connecting frame groups 320 or more than two groups of connecting frame groups 320.
- each group of connecting frame groups 320 may be arranged at intervals along the length direction of the shaft cover 310.
- the first shell 100, the second shell 200 and the shaft cover 310 are connected through each group of connecting frame groups 320.
- Different connecting frame groups 320 correspond to different parts of the first shell 100 and the second shell 200, which can ensure that the hinge mechanism 300 is firmly connected to the first shell 100 and the second shell 200, and ensure the stability of the hinge mechanism 300 in driving the movement of the first shell 100 and the second shell 200.
- three groups of connecting frame groups 320 are arranged at intervals along the length direction of the shaft cover 310 as an example.
- two groups of connecting frame groups 320, four groups of connecting frame groups 320, five groups of connecting frame groups 320 or more groups of connecting frame groups 320 may also be arranged at intervals along the length direction of the shaft cover 310, and the embodiments of the present application do not make specific limitations.
- Each connecting frame group 320 includes two connecting frames 321, and the two connecting frames 321 are respectively located at the width direction of the shaft cover 310.
- the two connecting frames 321 are fixedly connected to the shells on the corresponding sides, in other words, one connecting frame 321 is located on the side where the first shell 100 is located and is fixedly connected to the first shell 100, and the other connecting frame 321 is located on the side where the second shell 200 is located and is fixedly connected to the second shell 200.
- the two connecting frames 321 of each connecting frame group 320 can be symmetrically arranged, and the connecting frames 321 and the corresponding shells can be locked together by, for example, screws, rivets and other locking members.
- the figure shows that the two connecting frames 321 of the connecting frame group 320 are unfolded on both sides of the shaft cover 310, and the two connecting frames 321 are coplanar with the shaft cover 310.
- the hinge mechanism 300 is in an unfolded state, and the foldable electronic device 1 is also in an unfolded state;
- Figure 6b the figure shows that the two connecting frames 321 of the connecting frame group 320 are close to and folded above the shaft cover 310, and the two connecting frames 321 are almost perpendicular to the shaft cover 310 and are arranged opposite to each other.
- the hinge mechanism 300 is in a folded state, and the foldable electronic device 1 is also in a folded state.
- the support plate 340 is located on the side of the shaft cover 310 facing the folding screen 10, and the support plate 340 extends along the length direction of the shaft cover 310, that is, the length direction of the support plate 340 corresponds to the length direction of the shaft cover 310, and the support plate 340 corresponds to the foldable part 10c of the folding screen 10, and the foldable part 10c is supported by the support plate 340.
- the support plate 340 Under the driving action of the rotating shaft body, the support plate 340 is synchronously flattened or bent with the foldable part 10c of the folding screen 10.
- FIG. 6a shows that the rotating shaft body is in the unfolded state, and the support plate 340 is in the flattened state, at this time, the foldable part 10c of the folding screen 10 is also in the flattened state, that is, the folding screen 10 is in the unfolded state;
- FIG. 6b shows that the rotating shaft body is in the folded state, and the support plate 340 is in the bent state, at this time, the foldable part 10c of the folding screen 10 is also in the bent state, that is, the folding screen 10 is in the folded state.
- both ends of the shaft cover 310 in the length direction may be provided with stop edges 311, and the stop edges 311 protrude from the side surface of the shaft cover 310 facing the folding screen 10.
- the two ends of the support plate 340 in the length direction are respectively abutted against the stop edges 311 at the corresponding ends of the shaft cover 310 to limit the displacement of the support plate 340 in the length direction, so as to limit the support plate 340 within the length range of the shaft cover 310, so as to prevent the support plate 340 from deviating from or falling off the two ends of the shaft cover 310, and to perform a preliminary positioning of the support plate 340.
- a positioning structure is matched between the support plate 340 and the connecting component, and the support plate 340 is connected to the connecting component through the positioning structure, so that the support plate 340 is positioned, and the displacement of the support plate 340 in the length direction and the width direction are limited.
- the accuracy of the position of the support plate 340 is ensured, so that the support plate 340 is always aligned with the foldable part 10c of the folding screen 10, so as to ensure that the support plate 340 plays a good supporting and protective role on the foldable part 10c.
- the support plate 340 is positioned by a connecting assembly, and the connecting assembly drives the connecting frame 321 to rotate and shift relative to the shaft cover 310.
- the support plate 340 moves with the rotation of the connecting frame 321.
- the connecting assembly is movably connected between the shaft cover 310 and the connecting frame 321, and the connecting assembly will not restrict the movement of the support plate 340. It can ensure that the support plate 340 can be smoothly unfolded or bent without affecting the reliability of the support plate 340.
- the positioning structure matched between the support plate 340 and the connecting component may include a positioning hole 3322a and a positioning post 3421, that is, one of the support plate 340 and the connecting component is provided with a positioning hole 3322a, and the other is provided with a positioning post 3421 extending toward the other.
- the positioning post 3421 is inserted into the positioning hole 3322a, and the support plate 340 is positioned by the cooperation between the positioning post 3421 and the positioning hole 3322a.
- the positioning post 3421 extends from the surface of one side of the support plate 340 facing the rotating shaft body and the positioning hole 3322a is provided on the connecting component is taken.
- the positioning hole 3322a may also be provided on the support plate 340, and the positioning post 3421 may be provided on the connecting component.
- a positioning column 3421 is provided on a surface of one side of the member facing the support plate 340, but this embodiment is not limited thereto.
- FIG7a is a cross-sectional schematic diagram of the folding screen assembled in the unfolded state of the hinge mechanism
- FIG7b is a cross-sectional schematic diagram of the folding screen assembled in the folded state of the hinge mechanism.
- both sides of the width direction of the support plate 340 extend to the side of the shaft cover 310, and the support plate 340 is overlapped on the connecting frame 321, so that the support plate 340 can completely cover the area where the foldable part 10c of the folding screen 10 is located, and can play a good supporting role for the foldable part 10c.
- the support plate 340 can be positioned by connecting the part of the support plate 340 extending outside the shaft cover 310 to the connecting assembly.
- the support plate 340 when the hinge mechanism 300 is in the unfolded state, that is, when the foldable electronic device 1 is in the unfolded state, the support plate 340 is in the flattened state as the hinge body is unfolded, and the support plate 340 is supported below the foldable portion 10c of the foldable screen 10 in the flattened state, and the foldable portion 10c is flat against the support plate 340, and the support plate 340 can play a good supporting role.
- the integrated support plate 340 can stably support the foldable portion 10c of the foldable screen 10.
- the support plate 340 does not have a large gap and step difference, which can improve the stability of the support for the foldable portion 10c of the foldable screen 10, and can effectively reduce the risk of creases on the foldable screen 10 during the long-term use of the foldable electronic device 1.
- the support plate 340 when the hinge mechanism 300 is in a folded state, that is, when the foldable electronic device 1 is in a folded state, the support plate 340 is synchronously bent with the foldable part 10c of the foldable screen 10, and the support plate 340 is wrapped around the outside of the foldable part 10c.
- the support plate 340 forms a water drop structure wrapped around the outside of the foldable part 10c.
- the foldable part 10c and the support plate 340 together form a double water drop structure stacked inside and outside.
- the support plate 340 completely wraps the foldable part 10c, which forms a good protection effect on the foldable part 10c.
- the force borne by the foldable part 10c is evenly dispersed and transmitted to various parts of the support plate 340. There is no local stress-bearing part of the foldable part 10c, and the foldable part 10c will not produce stress concentration phenomenon, which effectively reduces the risk of failure of the foldable screen 10 and improves the reliability of the foldable screen 10.
- the support plate 340 is positioned by the connection assembly to stably support the folding screen 10 (especially the foldable part 10c).
- the connection assembly will not restrict the movement of the support plate 340, and can ensure that the support plate 340 can be flattened or bent synchronously with the folding screen 10, providing reliable support for the folding screen 10.
- there is a protective gap between the support plate 340 and the folding screen 10 there is a protective gap between the support plate 340 and the folding screen 10, and the protective gap is, for example, 0.3mm or greater than 0.3mm.
- the folding screen 10 has a large degree of freedom of movement, which can prevent the folding screen 10 (especially the foldable part 10c) from being pulled during the folding process or from having pits (convex hulls) in the unfolded state, so as to extend the service life of the folding screen 10 and improve the flatness of the folding screen 10.
- the folding screen 10 may include a screen body 11 and a reinforcing sheet 12, wherein the reinforcing sheet 12 is connected to the surface of the screen body 11 on one side facing the hinge mechanism 300, and the reinforcing sheet 12 is provided corresponding to the foldable portion 10c.
- the foldable portion 10c needs to be bent and flattened repeatedly.
- the reinforcing sheet 12 can generate elastic deformation, providing auxiliary force for the bending and flattening of the screen body 11, so as to enhance the strength of the foldable portion 10c and ensure the reliability of the foldable portion 10c during long-term use.
- a positioning groove (not shown in the figure) can be provided in the area corresponding to the foldable part 10c on the screen body 11, the notch of the positioning groove faces the hinge mechanism 300, and the reinforcing sheet 12 can be attached to the positioning groove by gluing or other means, and the groove depth of the positioning groove can match the thickness of the reinforcing sheet 12, so that the surface of the reinforcing sheet 12 is flush with the surface of other areas of the screen body 11, thereby improving the flatness of the folding screen 10.
- the reinforcing sheet 12 can be made of a metal sheet with good elasticity, and notches can be distributed on the metal sheet to reduce the rigidity of the metal sheet and ensure that the metal sheet can be flattened and bent synchronously with the screen body 11.
- the folding screen 10 is supported by the support plate 340, which can further improve the stability and reliability of the folding screen 10.
- the elasticity of the support plate 340 itself allows the support plate 340 to move synchronously with the folding screen 10. While ensuring the support of the support plate 340, the support plate 340 wraps the foldable part 10c of the folding screen 10 in the folded state, and the water drop-shaped structure of the screen body 11 is maintained through the dual effects of the reinforcement sheet 12 and the support plate 340.
- the pressure plate and the floating plate in the related art are replaced by the support plate 340, which simplifies the structure of the rotating shaft mechanism 300, reduces the number of parts of the rotating shaft mechanism 300, reduces the manufacturing cost of the rotating shaft mechanism 300, and makes the assembly of the rotating shaft mechanism 300 easier.
- the support plate 340 that can be flattened or bent synchronously with the foldable part 10c of the folding screen 10
- the reliability of the support of the folding screen 10 is enhanced, the flatness of the folding screen 10 is improved, the creases of the folding screen 10 under repeated use can be improved or even eliminated, and the risk of failure of the folding screen 10 is reduced.
- the support plate 340 is a plate-like member with good elasticity, and its thickness is usually thin. Compared with the pressure plate and the floating plate in the related technology, the use of the support plate 340 helps to reduce the overall thickness of the hinge mechanism 300 and improve the flexibility of the hinge mechanism 300, which is in line with the development trend of lightweight electronic devices.
- FIG8 is a schematic diagram of the structure of the support plate provided in the embodiment of the present application.
- the middle area in the width direction of the support plate 340 can be set as a hollow portion 341, and the two sides of the hollow portion 341 are solid portions 342. That is to say, the area on the support plate 340 corresponding to the curved top (with the greatest degree of bending deformation) of the foldable part 10c is the hollow part 341, and a plurality of openings are evenly distributed in the hollow part 341.
- the hollow part 341 can reduce the rigidity of the support plate 340 and improve the bending performance of the support plate 340.
- the solid parts 342 on both sides can ensure that the support plate 340 has sufficient strength to enable the support plate 340 to stably move synchronously with the foldable part 10c of the folding screen 10, thereby ensuring that the support plate 340 can be bent and wrapped around the folding screen 10 in a folded state, and the support plate 340 can smoothly restore to a natural state and stably support the folding screen 10 in an unfolded state.
- the hollow portion 341 can cover the entire area of the support plate 340 in the length direction, so that the entire area of the support plate 340 in the length direction has consistent bending performance, ensuring the shape consistency of the support plate 340 in the bent state, and ensuring the stability of the support plate 340 supporting the folding screen 10, so as to avoid the unevenness of the support plate 340 in the bent state, causing the local area of the support plate 340 to squeeze the folding screen 10 or a large gap between the support plate 340 and the folding screen 10, thereby avoiding local deformation or even failure of the folding screen 10.
- FIG9 is a schematic cross-sectional view of the support plate in FIG8 .
- the positioning column 3421 can be located at the solid part 342 on both sides of the hollow part 341 on the support plate 340.
- the hollow part 341 corresponds to the shaft cover 310, and the solid parts 342 on both sides of the hollow part 341 extend to both sides of the shaft cover 310, respectively corresponding to the connecting components on both sides.
- the positioning column 3421 on the solid part 342 it is convenient for the positioning column 3421 to be plugged in with the positioning hole 3322a located on the connecting component; on the other hand, the solid parts 342 on both sides of the hollow part 341 have a complete plate surface, which is convenient for the setting of the positioning column 3421, and can ensure that the positioning column 3421 has a sufficient cross-sectional area (diameter), and ensure the reliability of the positioning of the support plate 340 by relying on the connecting component.
- FIG10 is a partial enlarged view of point A in FIG8 .
- the openings distributed in the hollow portion 341 can be strip-shaped openings 3411, and the strip-shaped openings 3411 extend along the length direction of the support plate 340.
- a plurality of strip-shaped openings 3411 extending along the length direction are provided on the support plate 340, and the strip-shaped openings 3411 are distributed in the middle area in the width direction of the support plate 340 to form the hollow portion 341.
- the strip-shaped openings 3411 are narrow and long openings, and have directional selectivity for changing the bending performance of the support plate 340.
- the strip-shaped openings 3411 By extending the strip-shaped openings 3411 along the length direction of the support plate 340, the strip-shaped openings 3411 can have a sufficient opening area, so that the support plate 340 can be easily bent along its length direction, which meets the folding requirements of the rotating shaft mechanism 300. and, has little influence on the strength of the support plate 340 in the width direction, and the support plate 340 is not easy to bend along the width direction, thereby ensuring the reliability of the support plate 340 in supporting the folding screen 10.
- adjacent strip openings 3411 can be staggered front to back, that is, adjacent strip openings 3411 are staggered in the length direction of the support plate 340.
- the strip openings 3411 are more evenly distributed in the hollow portion 341, avoiding the situation where the density of the strip openings 3411 in the hollow portion 341 is uneven, the opening area in some areas is too large, and the opening area in other areas is too small or even has no opening, so as to ensure that the support plate 340 has good bending performance, and prevent the strength difference between different areas of the support plate 340 from being too large, so as not to affect the reliability of the support plate 340.
- the strip openings 3411 may include a first strip opening 3411a and a second strip opening 3411b.
- the first strip opening 3411a may be a closed opening completely located between the two ends of the length direction of the support plate 340.
- the first strip opening 3411a is a closed strip hole.
- the second strip opening 3411b may also extend to the end of the length direction of the support plate 340, the second strip opening 3411b is connected to the end surface of the support plate 340, and the second strip opening 3411b is an open structure.
- first strip opening 3411a in the area between the two ends of the support plate 340 in the length direction
- second strip opening 3411b connected to the end face of the support plate 340
- every two adjacent strip openings 3411 are staggered in front and back in the length direction of the support plate 340, and the strip openings 3411 are staggered in an overall regular manner.
- Adjacent strip openings 3411 may have overlapping areas in the length direction of the support plate 340. In other words, the end areas of adjacent strip openings 3411 that are close to each other overlap and are located within the same length range. In this way, it is possible to avoid the phenomenon that there are no openings in a certain section or several sections of the length of the support plate 340, and ensure that each area within the length range of the support plate 340 has good bending performance, so that the support plate 340 can be smoothly bent and flattened under the drive of the shaft body.
- the support plate 340 may be a metal plate, for example, the support plate 340 is made of alloy materials such as titanium alloy, aluminum alloy or copper alloy, and the metal support plate 340 has sufficient strength to meet the use requirements of the support plate 340.
- an opening such as the aforementioned strip-shaped opening 3411 may be provided in the hollow portion 341 to ensure that the metal plate has the required bending performance.
- the support plate 340 may also be made of other materials with good elastic properties.
- the support plate 340 is made of a highly elastic polymer material, a composite material, a carbon fiber material, etc. According to the elastic deformation ability of the material making the support plate 340, an opening may be opened in the middle area in the width direction of the support plate 340 to form a hollow portion 341, or the support plate 340 may also be a complete plate-like member without an opening, and this embodiment does not impose specific limitations.
- Figure 11a is a front view of the shaft body provided in an embodiment of the present application
- Figure 11b is a rear view of the shaft body provided in an embodiment of the present application
- Figure 12 is a schematic diagram of the decomposed structure of the shaft body provided in an embodiment of the present application.
- the connecting frame 321 is connected to the shaft cover 310 via a connecting assembly, and the connecting assembly can be rotatably and slidably connected between the shaft cover 310 and the connecting frame 321 to realize the rotation and displacement (moving away from or approaching) of the connecting frame 321 relative to the shaft cover 310.
- the rotating shaft body shown in the figure as an example with three groups of connecting frame groups 320, if the rotating shaft body is provided with more than two groups of connecting frame groups 320, the extension lengths of the connecting frames 321 of different connecting frame groups 320 can be different.
- a connecting component is movably connected between the connecting frame 321 of each connecting frame group 320 and the rotating shaft body, and other components may be connected between the connecting frame 321 of at least some of the connecting frame groups 320 and the rotating shaft body, such as the synchronous damping component 350 mentioned later.
- the mounting structures on the shaft cover 310 used to connect or install the connecting components and the synchronous damping component 350 can be set on the side surface of the shaft cover 310 facing the folding screen 10.
- the support plate 340 and the folding screen 10 cover the side surface of the shaft cover 310, and the mounting structure on the shaft cover 310 can be shielded.
- the side surface of the shaft cover 310 facing away from the folding screen 10 is a smooth and flat surface.
- the side surface of the shaft cover 310 may be always exposed to the outside when the foldable electronic device 1 is in a folded state. In this way, the connecting component, the synchronous damping swing arm 351 and the mounting structure set on the shaft cover 310 can be protected, and it is beneficial to improve the appearance of the foldable electronic device 1.
- connection components, synchronous damping components 350, etc. which are arranged on the connection frames 321 on both sides of the shaft cover 310, are symmetrically arranged.
- the connection components, synchronous damping components 350, etc., which are respectively connected to the connection frames 321 on both sides can also be asymmetrical structures.
- the design requirements such as the position and length of each connection frame 321, the number and position of the connection components, synchronous damping components 350, etc., which are connected between different connection frames 321 and the shaft cover 310, can be arranged in different ways, and this embodiment does not impose any specific restrictions.
- the connecting component connected between the shaft cover 310 and the connecting frame 321 includes a main swing arm 331.
- the main swing arm 331 serves as the main transmission component between the shaft cover 310 and the connecting frame 321.
- the connecting frame 321 can be rotated and shifted (away from or closer) relative to the shaft cover 310 to realize the switching of the shell assembly 20 between the unfolded state and the folded state.
- the main swing arm 331 drives the connecting frame 321 to rotate relative to the shaft cover 310 toward the side where the folding screen 10 is located, and the connecting frames 321 on both sides of the shaft cover 310 approach each other to be arranged opposite to each other.
- the main swing arm 331 drives the connecting frame 321 to move away from the shaft cover 310, thereby increasing the gap between the connecting frame 321 and the shaft cover 310, so that the first shell 100 and the second shell 200 located on both sides of the shaft cover 310 can be smoothly converted to a mutually stacked state through the movement of the connecting frame 321;
- the main swing arm 331 drives the connecting frame 321 to move away from the shaft cover 310, thereby increasing the gap between the connecting frame 321 and the shaft cover 310, and the first shell 100 and the second shell 200 located on both sides of the shaft cover 310 can be smoothly converted to a mutually stacked state.
- the main swing arm 331 drives the connecting frame 321 to rotate relative to the shaft cover 310 toward the side away from the folding screen 10, and the connecting frames 321 on both sides of the shaft cover 310 move away from each other to be coplanar.
- the main swing arm 331 drives the connecting frame 321 to move toward the direction close to the shaft cover 310, thereby reducing the gap between the connecting frame 321 and the shaft cover 310, so that the first shell 100 and the second shell 200 located on both sides of the shaft cover 310 can be smoothly converted to the coplanar state through the movement of the connecting frame 321, and the connecting frame 321 can abut the shaft cover 310 to maintain the stability of the shell assembly 20 when it is in the unfolded state.
- FIG. 13 is a partial enlarged view of B in FIG. 11a;
- FIG. 14 is a partial enlarged view of C in FIG. 12;
- FIG. 15a is a cross-sectional schematic diagram of A-A in FIG. 13;
- FIG. 15b is a cross-sectional schematic diagram of the folded state corresponding to FIG. 15a.
- the first end of the main swing arm 331 is rotatably connected to the connecting frame 321, and the second end of the main swing arm 331 is slidably and rotatably connected to the shaft cover 310.
- the connecting frame 321 rotates relative to the shaft cover 310 by rotating around the first end of the main swing arm 331 and the second end of the main swing arm 331 rotates around the shaft cover 310.
- the second end of the main swing arm 331 slides relative to the shaft cover 310, so that the connecting frame 321 moves away from or approaches the shaft cover 310, changes the gap between the connecting frame 321 and the shaft cover 310, and realizes the smooth switching of the housing assembly 20 between the unfolded state and the folded state.
- connection frame 321 can be rotated relative to the shaft cover 310, and the connection frame 321 can be moved closer to or away from the shaft cover 310.
- first end of the main swing arm 331 and the connection frame 321 can also be fixedly connected, for example, the main swing arm 331 and the connection frame 321 are welded, glued, or otherwise fixed to each other.
- the two ends of the housing are connected by fastening members such as screws and rivets, which are not limited in this embodiment.
- a first arc-shaped groove 312 may be opened on the shaft cover 310, and referring to Figure 15a or 15b, a first rotating shaft 3211 may be installed on the connecting frame 321, and the main swing arm 331 may include a rotating portion 3311, a connecting plate portion 3312 and a first arc-shaped sliding portion 3313 from its first end to its second end.
- the rotating portion 3311 of the main swing arm 331 is sleeved on the first rotating shaft 3211 of the connecting frame 321.
- the main swing arm 331 rotates around the first rotating shaft 3211 through the rotating portion 3311.
- the first arc-shaped sliding portion 3313 of the main swing arm 331 extends into the first arc-shaped groove 312.
- the connecting frame 321 can be rotated around the shaft cover 310, and the connecting frame 321 can be moved away from or close to the shaft cover 310 at the same time.
- the connecting plate portion 3312 of the main swing arm 331 is located between the rotating portion 3311 and the first arc-shaped sliding portion 3313, providing a certain torque between the rotating portion 3311 and the first arc-shaped sliding portion 3313.
- the first arc-shaped sliding part 3313 of the main swing arm 331 has the largest amount of penetration into the first arc-shaped groove 312 on the shaft cover 310, and the first arc-shaped sliding parts 3313 of the main swing arms 331 on both sides of the shaft cover 310 are in a state of being close to each other.
- the connecting frames 321 on both sides of the shaft cover 310 can, for example, be close to the side walls on both sides of the shaft cover 310 to ensure the stability of the foldable electronic device 1 when it is in the unfolded state. As shown in FIG.
- the first arc-shaped sliding part 3313 of the main swing arm 331 has the smallest amount of penetration into the first arc-shaped groove 312, and the first arc-shaped sliding parts 3313 of the main swing arms 331 on both sides of the shaft cover 310 are in a state of being far away from each other.
- the rotating part 3311 of the main swing arm 331 rotates around the first rotating shaft 3211 of the connecting frame 321, and the first arc-shaped sliding part 3313 of the main swing arm 331 slides along the first arc-shaped groove 312 in the direction of exiting the first arc-shaped groove 312, so that the connecting frames 321 on both sides of the shaft cover 310 gradually rotate in the direction of approaching each other until the two are opposite to each other.
- the gap between the connecting frame 321 and the shaft cover 310 gradually increases, thereby realizing the folding of the shell assembly 20.
- the rotating part 3311 of the main swing arm 331 rotates around the first rotating shaft 3211 of the connecting frame 321, and the first arc-shaped sliding part 3313 of the main swing arm 331 slides along the first arc-shaped groove 312 toward the direction of extending into the first arc-shaped groove 312, so that the connecting frames 321 on both sides of the shaft cover 310 gradually rotate in the direction away from each other until they are coplanar with the shaft cover 310.
- the gap between the connecting frame 321 and the shaft cover 310 gradually decreases, thereby realizing the unfolding of the shell assembly 20.
- connection assembly connected between the shaft cover 310 and the connecting frame 321 also includes a support plate swing arm 332, which cooperates with the main swing arm 331 to realize the transmission effect between the shaft cover 310 and the connecting frame 321, so as to improve the stability of the movement of the connecting frame 321 relative to the shaft cover 310.
- the support plate swing arm 332 also serves as the installation base of the aforementioned support plate 340, and the support plate 340 can be positioned by the support plate swing arm 332.
- the support plate swing arm 332 can drive the connecting frame 321 to rotate relative to the shaft cover 310, and the support plate swing arm 332 can drive the connecting frame 321 away from or close to the shaft cover 310 to change the gap between the connecting frame 321 and the shaft cover 310, which will not be described in detail here.
- the first end of the support plate swing arm 332 and the connecting frame 321 can be connected in a sliding manner, and the second end of the support plate swing arm 332 and the shaft cover 310 can be connected in a sliding and rotating manner.
- the support plate swing arm 332 has sufficient degrees of freedom between the connecting frame 321 and the shaft cover 310, and the support plate swing arm 332 can adjust its own movement state in coordination with the movement of the support plate 340.
- FIG16a is a cross-sectional schematic diagram of BB in FIG13;
- FIG16b is a cross-sectional schematic diagram corresponding to the folded state of FIG16a.
- the shaft cover 310 may be provided with a second arc groove 313, as shown in FIG16a or FIG16b
- the connecting frame 321 may be provided with a first sliding groove 3212
- the supporting plate swing arm 332 may include a sliding shaft portion 3321 , a connecting portion 3322 , and a second arc-shaped sliding portion 3323 in sequence from the first end to the second end.
- the sliding shaft portion 3321 of the support plate swing arm 332 extends into the first slide groove 3212, and the sliding shaft portion 3321 can move along the first slide groove 3212.
- the sliding shaft portion 3321 can rotate around its own axis in the first slide groove 3212.
- the second arc-shaped sliding portion 3323 of the support plate swing arm 332 extends into the second arc-shaped groove 313.
- the connecting frame 321 can rotate around the shaft cover 310, and the connecting frame 321 can be moved away from or close to the shaft cover 310 at the same time.
- the connecting portion 3322 of the support plate swing arm 332 is located between the sliding shaft portion 3321 and the second arc-shaped sliding portion 3323, providing a certain torque between the sliding shaft portion 3321 and the second arc-shaped sliding portion 3323.
- the second arc-shaped sliding portion 3323 of the support plate swing arm 332 extends the maximum amount into the second arc-shaped groove 313 on the shaft cover 310, and the second arc-shaped sliding portions 3323 of the support plate swing arms 332 on both sides of the shaft cover 310 are in a state of approaching each other.
- the second arc-shaped sliding portion 3323 of the support plate swing arm 332 extends the minimum amount into the second arc-shaped groove 313, and the second arc-shaped sliding portions 3323 of the support plate swing arms 332 on both sides of the shaft cover 310 are in a state of moving away from each other.
- the solid parts 342 on both sides of the support plate 340 are provided with positioning posts 3421, and correspondingly, the support plate swing arm 332 may be provided with positioning holes 3322a, and the positioning holes 3322a may be provided, for example, on the connection part 3322 of the support plate swing arm 332, and the positioning posts 3421 on the support plate 340 are inserted into the positioning holes 3322a on the support plate swing arm 332, so as to realize the positioning of the support plate 340 through the support plate swing arm 332.
- the support plate 340 Under the driving action of the support plate swing arm 332, the support plate 340 is flattened or bent accordingly.
- the sliding and rotating connection between the support plate swing arm 332 and the connecting frame 321 is used as an example for explanation, and the sliding shaft portion 3321 of the support plate swing arm 332 can also rotate around its own axis during the sliding process along the first slide groove 3212.
- the support plate swing arm 332 can also be only slidably connected to the connecting frame 321.
- the portion of the support plate swing arm 332 extending into the first slide groove 3212 of the connecting frame 321 only slides along the first slide groove 3212, and does not rotate around its own axis.
- the second arc-shaped sliding portion 3323 of the support plate swing arm 332 rotates around the shaft cover 310, so that the overall rotation of the support plate swing arm 332 can be achieved.
- the support plate swing arm 332 and the shaft cover 310 and the support plate swing arm 332 and the connecting frame 321 are all slidably connected.
- the support plate swing arm 332 has sufficient degrees of freedom to achieve the rotation and displacement of the connecting frame 321 relative to the shaft cover 310, and can also drive the support plate 340 to move smoothly.
- the first end of the support plate swing arm 332 can be rotatably connected to the connecting frame 321, and the second end can be slidably and rotatably connected to the shaft cover 310, or the first end of the support plate swing arm 321 can be slidably and rotatably connected to the connecting frame 321, and the second end can be slidably connected to the shaft cover 310, or the first end of the support plate swing arm 321 can be rotatably connected to the connecting frame 321, and the second end can be slidably connected to the shaft cover 310, or the first end of the support plate swing arm 321 can be rotatably connected to the connecting frame 321, and the second end can be slidably connected to the shaft cover 310, or the first end of the support plate swing arm 321 can be rotatably connected to the connecting frame 321, and the second end can be slidably connected to the shaft cover 310, etc.
- an auxiliary swing arm 333 is also connected between the connecting frame 321 and the shaft cover 310 of at least one connecting frame group 320.
- the auxiliary swing arm 333 and the main swing arm 331 work together to improve the stability of the connection between the connecting frame 321 and the shaft cover 310 and enhance the stability of the movement of the connecting frame 321 relative to the shaft cover 310.
- one of the three connecting frame groups 320 has an auxiliary swing arm 333 connected between the connecting frame 321 and the shaft cover 310.
- the connecting frames 321 of other connecting frame groups 320 and the shaft cover 310 can be connected to each other.
- An auxiliary swing arm 333 may also be connected between the main swing arm 331 and the shaft cover 310, but this embodiment does not limit this.
- the first end of the auxiliary swing arm 333 is slidably and rotationally connected to the connecting frame 321, and the second end of the auxiliary swing arm 333 is rotationally connected to the shaft cover 310.
- a synchronous damping assembly 350 is also connected between the connecting frame 321 of at least some of the connecting frame groups 320 and the shaft cover 310.
- the figures show that the synchronous damping assembly 350 is connected between the connecting frame 321 of two of the three connecting frame groups 320 and the shaft cover 310.
- only one of the three connecting frame groups 320 may have a synchronous damping assembly 350 connected between the connecting frame 321 of one of the three connecting frame groups 320 and the shaft cover 310, or the synchronous damping assembly 350 is connected between the connecting frame 321 of all three connecting frame groups 320 and the shaft cover 310.
- the synchronous damping assembly 350 is used to realize the synchronous movement of the two connecting frames 321 located on both sides of the shaft cover 310 in the connecting frame group 320, so that the connecting frames 321 on both sides of the shaft cover 310 respectively drive the first shell 100 and the second shell 200 to move synchronously, ensuring the accuracy of the movement of the shell assembly 20, thereby ensuring the smooth and accurate switching of the foldable electronic device 1 between the unfolded state and the folded state.
- the synchronous damping assembly 350 is also used to generate a damping force during the movement of the connecting frame 321 relative to the shaft cover 310.
- the damping force can help the connecting frame 321 drive the first shell 100 and the second shell 200 to stay at a certain angle between the unfolded state and the folded state. In other words, it can make the foldable electronic device 1 stay in the semi-expanded state as shown in Figure 3.
- the synchronous damping assembly 350 may include a synchronous damping swing arm 351, a synchronous limiting structure 352 and a damping member 353.
- Figure 17a is a partial enlarged view of D in Figure 11a
- Figure 17b is a partial enlarged view of E in Figure 11b.
- the synchronous limiting structure 352 is installed on the shaft cover 310.
- the damping member 353 is installed on the connecting frame 321.
- the synchronous damping swing arm 351 is connected between the shaft cover 310 and the connecting frame 321.
- the synchronous damping swing arm 351 and the synchronous limiting structure 352 cooperate with each other to achieve synchronous movement of the two connecting frames 321 located on both sides of the shaft cover 310, and the synchronous damping swing arm 351 and the damping member 353 cooperate with each other to generate a damping force during the movement of the connecting frame 321 relative to the shaft cover 310, so as to keep the housing assembly 20 in a semi-expanded state.
- the synchronous damping swing arm 351 includes a sleeve portion 3511 and a slide portion 3512.
- the sleeve portion 3511 faces the side where the shaft cover 310 is located, and the slide portion 3512 extends toward the connecting frame 321.
- the sleeve portion 3511 is connected with the synchronous limiting structure 352 provided on the shaft cover 310.
- a second slide groove 3213 is provided at a portion of the connecting frame 321 corresponding to the slide portion 3512. The slide portion 3512 extends into the second slide groove 3213 and slides along the second slide groove 3213.
- the sleeve portion 3511 can rotate relative to the synchronous limiting structure 352.
- the synchronous limiting structure 352 can realize the synchronous movement of the sleeve portions 3511 of the synchronous damping swing arm 351 located on both sides of the shaft cover 310, so as to drive the connecting frames 321 on both sides of the shaft cover 310 to move synchronously through the synchronous damping swing arm 351.
- the slide plate portion 3512 slides in the second slide groove 3213 as the connecting frame 321 moves away from or closer to the shaft cover 310, and during the sliding process of the slide plate portion 3512 in the second slide groove 3213, different parts of the slide plate portion 3512 contact the damping member 353 provided on the connecting frame 321.
- the slide plate portion 3512 acts on the damping member 353 to generate a damping force, thereby providing a force for the shell assembly 20 to stay in a semi-expanded state.
- FIG18a is a partial structural diagram of the synchronous damping swing arm and the synchronous limiting structure.
- the synchronous limiting structure 352 disposed on the shaft cover 310 may include a sliding seat 3522 and two second rotating shafts 3521, both of which are mounted on the shaft cover 310, and the two second rotating shafts 3521 are symmetrically disposed on both sides of the shaft cover 310 in the width direction, and the sliding seat 3522 is sleeved outside the two second rotating shafts 3521, and the sliding seat 3522 can slide along the axial direction of the second rotating shaft 3521.
- the sliding seat 3522 has mounting grooves 35221 on both sides, and the two second rotating shafts 3521 pass through the mounting grooves 35221 on both sides respectively, and the sleeves 3511 of the synchronous damping swing arm 351 on both sides of the shaft cover 310 are sleeved on the corresponding second rotating shafts 3521 and located in the mounting grooves 35221.
- the shaft sleeve portion 3511 can rotate around the second rotating shaft 3521.
- the sliding seat 3522 can be driven to slide along the axial direction of the second rotating shaft 3521.
- the power is transmitted between the shaft sleeve parts 3511 on both sides to realize the synchronous movement of the connecting frames 321 on both sides of the shaft cover 310.
- the shaft sleeve portion 3511 needs to be sleeved on the portion of the second rotating shaft 3521 located between the two side groove walls of the mounting groove 35221 of the fixed seat, when designing the second rotating shaft 3521, one end of the two second rotating shafts 3521 arranged on the same side can be fixedly connected to the shaft cover 310, and the other ends of the two second rotating shafts 3521 are free ends, so as to facilitate the sleeve portion 3511 of the sliding seat 3522 and the synchronous damping swing arm 351 to be sleeved on the second rotating shaft 3521 from the side where the free end is located.
- the sleeve portion 3511 of the synchronous damping swing arm 351 can be positioned in the mounting groove 35221 of the sliding seat 3522 first, and then, one end of the sliding seat 3522, the sleeve portion 3511 and the other end of the sliding seat 3522 can be sequentially sleeved on the second rotating shaft 3521 to install the sliding seat 3522 and the sleeve portion 3511 of the synchronous damping swing arm 351 on the shaft cover 310 through the second rotating shaft 3521.
- the assembly seat 3523 can be set to limit the sliding seat 3522.
- the synchronous limiting structure 352 can also include an assembly seat 3523, which is arranged at the end of the sliding seat 3522 that is penetrated by the second rotating shaft 3521, and the assembly seat 3523 is connected to the end of the second rotating shaft 3521 that penetrates the sliding seat 3522.
- the assembly seat 3523 is located on the side where the free end of the second rotating shaft 3521 is located and is connected to the free end of the second rotating shaft 3521, and the sliding seat 3522 is limited on the second rotating shaft 3521 through the assembly seat 3523.
- guide protrusions 35222 are provided on the opposite walls of the mounting grooves 35221 on both sides of the sliding seat 3522.
- the guide protrusions 35222 extend toward the shaft sleeve portion 3511.
- a spiral hole 35111 is provided on the shaft sleeve portion 3511.
- the spiral hole 35111 extends spirally along the side wall of the shaft sleeve portion 3511.
- the guide protrusions 35222 extend into the spiral hole 35111 and can slide along the spiral hole 35111.
- the guide protrusions 35222 on the groove walls of the mounting grooves 35221 on both sides are symmetrically arranged, and the spiral holes 35111 on the shaft sleeve parts 3511 of the synchronous damping swing arms 351 on both sides are also completely symmetrically arranged. Therefore, the shaft sleeve parts 3511 of the synchronous damping swing arms 351 on both sides can realize synchronous rotation and synchronous axial sliding along the second rotating shaft 3521 under the sliding guiding action of their respective spiral holes 35111 and the corresponding guide protrusions 35222, thereby realizing the synchronous movement of the two connecting frames 321 on both sides of the shaft cover 310.
- the synchronous damping swing arm 351 is restricted by the slide plate portion 3512 extending into the second slide groove 3213 of the connecting frame 321. During the movement, the synchronous damping swing arm 351 will not move axially along the shaft cover 310. In other words, the sleeve portion 3511 of the synchronous damping swing arm 351 only rotates around the second rotating shaft 3521 and will not move axially along the second rotating shaft 3521.
- the sleeve portion 3511 of the synchronous damping swing arm 351 on this side rotates around the second rotating shaft 3521 accordingly, and under the guiding action of the spiral hole 35111 of the sleeve portion 3511 on the guide protrusion 35222 of the sliding seat 3522, the coaxial sleeve portion 3511 transmits the power of its own rotation to the sliding seat 3522, so that the sliding seat 3522 slides axially along the second rotating shaft 3521, and the sliding seat 3522 transmits the power to the sleeve portion 3511 of the synchronous damping swing arm 351 on the other side through the cooperation of the guide protrusion 35222 set on the other side and the spiral hole 35111 on the sleeve portion 3511 of the synchronous damping swing arm 351 on the other side, so that the synchronous damping swing arm 351 on the other side moves synchronously.
- two guide protrusions 35222 can be set in the mounting grooves 35221 on both sides of the sliding seat 3522, and the two guide protrusions 35222 are set at intervals along the axial direction of the second rotating shaft 3521.
- two spiral holes 35111 can be opened on the shaft sleeves 3511 of the synchronous damping swing arms 351 on both sides.
- three or more guide protrusions 35222 can be arranged at intervals in the mounting grooves 35221 on both sides of the sliding seat 3522, and three or more spiral holes 35111 can be opened on the sleeve portion 3511 of the synchronous damping swing arm 351 on both sides accordingly.
- This embodiment does not impose any specific restrictions on this.
- Fig. 18b is a partial structural diagram of the synchronous damping swing arm and the damping member.
- the damping member 353 is installed on the connecting frame 321, and the damping member 353 is located on the side of the slide plate portion 3512 of the synchronous damping swing arm 351 corresponding to the length direction of the shaft cover 310.
- the side wall of the slide plate portion 3512 corresponding to the damping member 353 is defined as the force transmission side 35121, and the damping member 353 abuts against the force transmission side 35121 of the slide plate portion 3512.
- the force transmission side 35121 of the slide plate 3512 squeezes the damping member 353.
- different parts of the slide plate 3512 squeeze the damping member 353, and the pressure on the damping member 353 is different, and the damping member 353 is compressed to different degrees.
- the damping member 353 when the damping member 353 has no compression or a small compression, the damping member 353 does not generate elastic force or generates a small elastic force, and the damping force between the connecting frame 321 and the shaft cover 310 is small, and the first shell 100 and the second shell 200 can be easily rotated; when the compression of the damping member 353 is large, the damping member 353 generates a large elastic force, and the damping force between the connecting frame 321 and the shaft cover 310 is large, and the damping force can make the first shell 100 and the second shell 200 stay at the current position, so that the shell assembly 20 is suspended in a semi-expanded state.
- a fixing groove (not shown in the figure) can be opened on the connecting frame 321, and the fixing groove is located on the side of the second slide groove 3213 where the slide plate portion 3512 is located, and the fixing groove can be connected to the second slide groove 3213.
- the damping member 353 is installed in the fixing groove, and the damping member 353 extends to the slide plate portion 3512 through the portion of the fixing groove connected to the second slide groove 3213, and abuts against the force transmission side 35121 of the slide plate portion 3512.
- the damping member 353 is arranged in the fixing groove on the connecting frame 321, and the thickness of the connecting frame 321 is not increased, making the hinge mechanism 300 thinner and more flexible.
- the fixing of the damping member 353 by the connecting frame 321 is more reliable, and the cooperation between the damping member 353 and the sliding plate portion 3512 is more stable, which can reduce the abnormal noise of the movement of the hinge mechanism 300 and improve the performance of the foldable electronic device 1.
- the damping member 353 can always be in a compressed state in the fixed groove. Even if the force transmission side 35121 of the slide plate portion 3512 does not squeeze the damping member 353 or the pressure on the damping member 353 is at a minimum state, the elastic force generated by the damping member 353 in a compressed state can provide a certain damping force between the connecting frame 321 and the shaft cover 310, so as to ensure the stability of the movement of the connecting frame 321 relative to the shaft cover 310, ensure the smooth movement of the shell assembly 20, and improve the reliability of the foldable electronic device 1.
- the damping member 353 may include a fixed end 3531, a deformation section 3532 and a movable end 3533 connected in sequence.
- the fixed end 3531 is an end of the damping member 353 away from the slide portion 3512, that is, the fixed end 3531 is away from the force transmission side 35121 of the slide portion 3512, and the fixed end 3531 is fixed to the connecting frame 321, for example, the fixed end 3531 abuts against the groove wall of the fixed groove away from the second slide groove 3213, and for the damping member 353 that is always in a compressed state, the fixed end 3531 of the damping member 353 can only rely on elastic force to abut against the groove wall of the fixed groove, or the fixed end 3531 of the damping member 353 can also be fixed in the fixed groove by bonding, locking, welding, etc., so that the damping member 353 is firmly fixed.
- the movable end 3533 is an end of the damping member 353 facing the slide plate portion 3512, and the movable end 3533 corresponds to the connecting portion between the fixed groove and the second slide groove 3213.
- the movable end 3533 passes through the side wall of the second slide groove 3213 and abuts against the slide plate portion 3512.
- the deformation section 3532 is connected between the movable end 3533 and the fixed end 3531.
- the force transmission side 35121 of the slide plate portion 3512 squeezes the movable end 3533 of the damping member 353.
- the movable end 3533 transmits the force to the deformation section 3532, and the deformation section 3532 is elastically deformed to provide elastic force.
- the deformation segment 3532 may include a plurality of elastic arms connected in sequence. As shown in FIG18b , each elastic arm may be connected end to end in sequence, and the deformation segment 3532 as a whole may extend in an "S" shape. In other examples, the elastic arms may also be in the form of closed oblongs, strip rings, etc., and each elastic arm is connected in sequence. Alternatively, the elastic arms may also be in other shapes that can produce elastic deformation, which is not limited in this embodiment.
- the force transmission side 35121 of the slide plate portion 3512 can generate different amounts of pressure on the damping element 353 during the sliding process, as shown in FIG. 18a , in some embodiments, the force transmission side 35121 of the slide plate portion 3512 can be alternately provided with recesses 35111a and convex portions 35111b along its extension direction, wherein the recess 35111a is recessed toward the middle of the slide plate portion 3512 and the convex portion 35111b is protruding toward the damping element 353.
- the compression of the damping member 353 reaches the maximum, and the damping force between the connecting frame 321 and the shaft cover 310 is the maximum, and the damping force can support the shell assembly 20 to hover in a semi-expanded state.
- the pressure on the damping member 353 changes from large to small, the compression amount of the damping member 353 gradually decreases, the damping force between the connecting frame 321 and the shaft cover 310 gradually becomes smaller, and the resistance to the movement of the shell assembly 20 gradually decreases.
- the force transmission side 35121 of the slide plate portion 3512 of the synchronous damping swing arm 351 is sequentially provided with a recess 35111a, a convex portion 35111b and a recess 35111a from one end connected to the shaft sleeve portion 3511 to the other end.
- the movable end 3533 of the damping member 353 can abut against the force transmission side 35121 of the slide plate portion 3512 near the shaft sleeve portion 3511.
- the movable end 3533 of the damping member 353 when the shell assembly 20 is in a semi-expanded state, the movable end 3533 of the damping member 353 can abut against the top of the convex portion 35111b on the force transmission side 35121 of the slide plate portion 3512; when the shell assembly 20 is in a folded state, the movable end 3533 of the damping member 353 can abut against the bottom of the recess 35111a on the force transmission side 35121 of the slide plate portion 3512 away from the shaft sleeve portion 3511.
- the damping members 353 can be arranged on both sides of the slide plate portion 3512 of the synchronous damping swing arm 351.
- both sides of the length direction of the corresponding shaft cover 310 of the slide plate portion 3512 are force transmission sides 35121
- the damping members 353 located on both sides of the slide plate portion 3512 are respectively abutted against the force transmission sides 35121 on both sides, wherein the recesses 35111a and the protrusions 35111b arranged on the force transmission sides 35121 on both sides correspond to each other, and the protrusions 35111b also correspond to each other.
- the force transmission sides 35121 on both sides are sequentially provided with corresponding recesses 35111a, protrusions 35111b and recesses 35111a from one end close to the shaft sleeve portion 3511 to the other end.
- the top ends of the convex portions 35111b of the force transmission sides 35121 on both sides of the slide plate portion 3512 respectively squeeze the damping members 353 on both sides, and the compression amounts of the damping members 353 on both sides reach the maximum.
- the damping force provided by the damping members 353 between the connecting frame 321 and the shaft cover 310 is greater, which helps to improve the stability of the housing assembly 20 when it is in a semi-expanded state.
- FIG. 19 is a schematic diagram of the structure of the shaft cover provided in the embodiment of the present application.
- the shaft cover 310 may include a cover plate 310a and a plurality of reinforcement parts 310b.
- the cover plate 310a is the main supporting structure of the shaft cover 310, and it may be a long strip-shaped plate-like structure.
- the thickness of the cover plate 310a is relatively thin.
- a plurality of reinforcement parts 310b are provided on the side surface of the shaft cover 310 with a relatively thin thickness facing the folding screen 10.
- the reinforcement part 310b can be used as the mounting structure of these parts, and the thickness of the reinforcement part 310b can be slightly larger, so as to facilitate the processing of the first arc groove 312, the second arc groove 313 and other structures in the reinforcement part 310b. In this way, the overall thickness of the shaft cover 310 can be reduced, and the thinness of the rotating shaft structure can be realized.
- the reinforcement part 310b also makes the shaft cover 310 have sufficient strength to meet the reliability requirements of the shaft cover 310.
- the aforementioned retaining edges 311 may be formed at both ends of the cover plate 310a in the length direction.
- the retaining edges 311 extend above the surface of the reinforcing portion 310b.
- the support plate 340 is limited by the retaining edges 311, and the retaining edges 311 also help to position the reinforcing portion 310b.
- the cover plate 310a can be made of high-strength metal materials to improve the appearance and texture of the shaft cover 310.
- the cover plate 310a can be made of titanium, steel, aluminum alloy, titanium alloy, etc.
- the reinforcing portion 310b can be made of high-strength polymer materials to facilitate the formation of structures such as the first arc groove 312 and the second arc groove 313 in the reinforcing portion 310b.
- the reinforcing portion 310b can be made of polyphenylene sulfide resin, polyphenylene ether ketone resin, polyimide resin, polysulfone resin, etc., to ensure the strength of the shaft cover 310 while meeting the requirements for the thinness of the shaft cover 310.
- the shaft cover 310 can be formed by an integrated molding process, that is, the cover plate 310a and the reinforcement part 310b are an integrated molding structure, so that the shaft cover 310 has better integrity, avoids installing other structures on the cover plate 310a to connect the above components, can simplify the structure of the shaft cover 310, and improve the processing efficiency of the shaft cover 310.
- the integrated shaft cover 310 can be made by using a nano-molding process (NanoMolding Technology, NMT), which processes the surface of the metal cover plate 310a through nano-treatment, and directly injects a polymer material into the surface of the metal cover plate 310a to form the reinforcement part 310b, so as to form an integrated shaft cover 310.
- NMT NanoMolding Technology
- FIG20 is a partial cross-sectional view of the folding screen and the support plate provided in the embodiment of the present application installed on the shaft cover.
- the folding screen 10 shown in the figure is in a folded state, and the support plate 340 is wrapped around the outside of the foldable part 10c of the folding screen 10.
- the support plate 340 and the folding screen 10 together form a double water drop structure.
- the figure also shows that there is the aforementioned protective gap between the support plate 340 and the folding screen 10.
- an arc-shaped groove 314 can be provided on the side surface of the shaft cover 310 facing the folding screen 10.
- the arc-shaped groove 314 is located in the middle area of the width direction of the shaft cover 310 and extends along the length direction of the shaft cover 310.
- the arc-shaped groove 314 matches the shape of the curved bottom of the support plate 340.
- the curved bottom of the support plate 340 is located in the arc-shaped groove 314 and supported by the groove wall of the arc-shaped groove 314.
- the curved bottom of the support plate 340 can be stretched and attached to the arc-shaped groove 314 to protect the support plate 340 from being squeezed and maintain the shape of the support plate 340.
- an arc-shaped groove 314 can be processed on each reinforcing part 310b.
- the reinforcing parts 310b mainly used to provide mounting structures for components such as the main swing arm 331 and the support plate swing arm 332, adjacent reinforcing parts 310b can be in contact or have a gap depending on the positions of these components.
- an arc-shaped groove 314 can be processed on each reinforcing part 310b, and the arc-shaped groove 314 on each reinforcing part 310b extends along the length direction of the shaft cover 310.
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Abstract
Description
Claims (25)
- 一种转轴机构,应用于可折叠电子设备,其特征在于,包括:轴盖、主摆臂、支撑板摆臂、支撑板和至少一组连接架组;所述连接架组包括两个连接架,两个所述连接架分别位于所述轴盖的宽度方向的两侧,所述主摆臂与所述支撑板摆臂均连接在所述连接架和所述轴盖之间;所述主摆臂的第一端与所述连接架连接,所述主摆臂的第二端与所述轴盖滑动且转动连接;所述支撑板摆臂的第一端与所述连接架连接,所述支撑板摆臂的第二端与所述轴盖连接;所述支撑板沿所述轴盖的长度方向延长,并设置在所述轴盖朝向所述可折叠电子设备的折叠屏的一侧,所述支撑板的侧边伸出至所述轴盖的侧方并搭接在所述连接架上,且所述支撑板与所述支撑板摆臂连接;其中,所述支撑板为可产生弹性形变的板状件,所述连接架通过所述主摆臂和所述支撑板摆臂相对所述轴盖运动,以在展开状态和折叠状态之间切换,驱使所述支撑板随所述折叠屏同步在展开状态和折叠状态之间切换。
- 根据权利要求1所述的转轴机构,其特征在于,所述支撑板的宽度方向的中间区域为镂空部,所述镂空部覆盖所述支撑板的长度方向的整个区域。
- 根据权利要求2所述的转轴机构,其特征在于,所述镂空部内分布有多个条形开口,所述条形开口沿所述支撑板的长度方向延长。
- 根据权利要求3所述的转轴机构,其特征在于,沿所述支撑板的宽度方向,相邻所述条形开口在所述支撑板的长度方向上错开设置。
- 根据权利要求4所述的转轴机构,其特征在于,所述条形开口包括第一条形开口和第二条形开口,所述第一条形开口围成闭合状,所述第二条形开口连通至所述支撑板的端面。
- 根据权利要求2-5任一项所述的转轴机构,其特征在于,所述支撑板为金属板。
- 根据权利要求1-6任一项所述的转轴机构,其特征在于,所述支撑板与所述支撑板摆臂中的一者设有定位孔,另一者设有向对方伸出的定位柱,所述定位柱插入所述定位孔内。
- 根据权利要求1-7任一项所述的转轴机构,其特征在于,所述轴盖的长度方向的两端均设有挡沿,所述挡沿凸起在所述轴盖朝向所述折叠屏的一侧表面,所述支撑板的长度方向的两端分别与相应的所述挡沿抵接。
- 根据权利要求1-8任一项所述的转轴机构,其特征在于,所述连接架上安装有第一转轴,所述轴盖上开设有第一弧形槽,所述主摆臂由第一端至第二端依次包括转动部、连板部和第一弧形滑动部,所述转动部套设于所述第一转轴,所述第一弧形滑动部在所述第一弧形槽内滑动。
- 根据权利要求1-9任一项所述的转轴机构,其特征在于,所述连接架上开设有第一滑槽,所述轴盖上开设有第二弧形槽,所述支撑板摆臂由第一端至第二端依次包括滑轴部、连接部和第二弧形滑动部,所述滑轴部在所述第一滑槽内滑动并转动,所述第二弧形滑动部在所述第二弧形槽内滑动。
- 根据权利要求1-10任一项所述的转轴机构,其特征在于,所述连接架组包括至少两组,各组所述连接架沿所述轴盖的长度方向间隔设置;其中,每组所述连接架组的两个所述连接架与所述轴盖之间均连接有所述主摆臂和所述支撑板摆臂。
- 根据权利要求11所述的转轴机构,其特征在于,还包括同步阻尼摆臂,至少一组所述连接架组的两个所述连接架与所述轴盖之间连接有所述同步阻尼摆臂;其中,所述连接架开设有第二滑槽,所述轴盖设有同步限位结构,所述同步阻尼摆臂包括滑板部和轴套部,所述滑板部在所述第二滑槽内滑动,所述轴套部连接于所述同步限位结构,所述同步限位结构使位于所述轴盖两侧的所述连接架相对所述轴盖同步转动和滑动。
- 根据权利要求12所述的转轴机构,其特征在于,所述同步限位结构包括滑动座和两个第二转轴,两个所述第二转轴对称设置在所述轴盖的宽度方向的两侧,所述滑动座的两侧具有安装槽,两个所述第二转轴分别穿过两侧的所述安装槽;两侧的所述同步阻尼摆臂的所述轴套部分别套设于两侧的所述第二转轴,且分别位于两侧的所述安装槽内,滑动座用于驱动两侧的所述轴套部同步转动。
- 根据权利要求13所述的转轴机构,其特征在于,两侧所述安装槽的相背的槽壁均设有至少一个导向凸起,且两侧所述安装槽内的所述导向凸起对称设置,两侧的所述轴套部均开设有至少一个螺旋孔,且两侧的所述轴套部上的所述螺旋孔对称设置,所述导向凸起伸入对应的所述螺旋孔内。
- 根据权利要求14所述的转轴机构,其特征在于,所述轴套部开设有至少两个所述螺旋孔,各所述螺旋孔沿所述轴套部的轴向间隔设置。
- 根据权利要求13所述的转轴机构,其特征在于,所述同步限位结构还包括装配座,所述装配座设置于所述滑动座的一端,所述第二转轴对应所述装配座的一端伸出所述滑动座并连接于所述装配座。
- 根据权利要求12-16任一项所述的转轴机构,其特征在于,还包括阻尼件,所述阻尼件安装于所述连接架并对应所述同步阻尼摆臂设置;其中,所述滑板部对应所述轴盖的长度方向的至少一侧为传力侧,所述阻尼件对应所述传力侧设置并与所述传力侧抵接,所述滑板部在所述第二滑槽内滑动,使所述传力侧的不同部位抵接所述阻尼件,以改变所述阻尼件产生的弹性形变量。
- 根据权利要求17所述的转轴机构,其特征在于,所述传力侧沿其延长方向交替设置凹部和凸部,随所述滑板部的滑动,所述阻尼件与所述凹部抵接或与所述凸部抵接,并产生弹性形变。
- 根据权利要求18所述的转轴机构,其特征在于,所述滑板部的对应所述轴盖的长度方向的两侧均为所述传力侧,两侧的传力侧均对应设置有所述阻尼件;其中,两侧的所述传力侧的所述凹部及所述凸部分别相对应。
- 根据权利要求17-19任一项所述的转轴机构,其特征在于,所述阻尼件包括依次连接的固定端、形变段和活动端,所述固定端远离所述传力侧并固定于所述连接架,所述活动端抵接于所述传力侧,所述形变段随所述活动端的移动而产生弹性形变。
- 根据权利要求1-20任一项所述的转轴机构,其特征在于,所述轴盖包括盖板和多个加强部,各所述加强部间隔设置在所述盖板朝向所述折叠屏的一侧表面,且所述主摆臂和所述支撑板摆臂均与所述加强部连接。
- 根据权利要求21所述的转轴机构,其特征在于,所述盖板采用金属材料制成,所述加强部采用高分子材料制成,且所述盖板和所述加强部为一体成型结构。
- 根据权利要求21所述的转轴机构,其特征在于,所述轴盖朝向所述折叠屏的一侧表面设有弧形凹槽,所述弧形凹槽用于支撑处于所述折叠状态时的所述支撑板的弯曲底部;其中,所述弧形凹槽位于所述轴盖的宽度方向的中间区域,所述弧形凹槽沿所述轴盖的长度方向延伸并覆盖各所述加强部。
- 一种可折叠电子设备,其特征在于,包括第一壳体、第二壳体、折叠屏及权利要求1-23任一项所述的转轴机构;所述转轴机构的轴盖两侧的连接架分别与所述第一壳体及所述第二壳体连接,所述折叠屏位于所述转轴机构的支撑板所在的一侧,且所述折叠屏与所述第一壳体及所述第二壳体连接。
- 根据权利要求24所述的可折叠电子设备,其特征在于,所述折叠屏包括屏体和加强片,所述加强片连接在所述屏体朝向所述转轴机构的一侧表面,且所述加强片与所述转轴机构对应。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380074387.2A CN120077206A (zh) | 2022-10-27 | 2023-09-26 | 转轴机构及可折叠电子设备 |
| EP23881571.6A EP4600513A4 (en) | 2022-10-27 | 2023-09-26 | ROTARY SHAFT MECHANISM AND FOLDABLE ELECTRONIC DEVICE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330019.3A CN117948338A (zh) | 2022-10-27 | 2022-10-27 | 转轴机构及可折叠电子设备 |
| CN202211330019.3 | 2022-10-27 |
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| WO2024087992A1 true WO2024087992A1 (zh) | 2024-05-02 |
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| Country | Link |
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| EP (1) | EP4600513A4 (zh) |
| CN (2) | CN117948338A (zh) |
| WO (1) | WO2024087992A1 (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025241930A1 (zh) * | 2024-05-23 | 2025-11-27 | 荣耀终端股份有限公司 | 转轴机构和电子设备 |
| WO2026026113A1 (zh) * | 2024-07-31 | 2026-02-05 | 荣耀终端股份有限公司 | 转轴机构和可折叠电子设备 |
| WO2026045818A1 (zh) * | 2024-08-28 | 2026-03-05 | 华为技术有限公司 | 折叠机构、电子设备及第一同步件 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120027126A (zh) * | 2023-11-13 | 2025-05-23 | 荣耀终端股份有限公司 | 转轴机构、可折叠设备及转轴机构的制备方法 |
| CN121397119A (zh) * | 2024-07-10 | 2026-01-23 | 荣耀终端股份有限公司 | 可折叠电子设备 |
| CN121640817A (zh) * | 2024-08-28 | 2026-03-10 | 华为技术有限公司 | 折叠机构及电子设备 |
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| KR102419478B1 (ko) * | 2021-05-07 | 2022-07-11 | (주)케이에이치바텍 | 폴더블 힌지장치 |
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| CN110022386B (zh) * | 2018-01-09 | 2021-01-29 | 华为技术有限公司 | 一种可折叠的终端设备 |
| CN112901643B (zh) * | 2020-09-14 | 2022-05-24 | 华为技术有限公司 | 折叠装置及电子设备 |
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2022
- 2022-10-27 CN CN202211330019.3A patent/CN117948338A/zh active Pending
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2023
- 2023-09-26 WO PCT/CN2023/121552 patent/WO2024087992A1/zh not_active Ceased
- 2023-09-26 CN CN202380074387.2A patent/CN120077206A/zh active Pending
- 2023-09-26 EP EP23881571.6A patent/EP4600513A4/en active Pending
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| CN113763814A (zh) * | 2019-12-27 | 2021-12-07 | 华为技术有限公司 | 一种柔性屏和可折叠设备 |
| CN112991953A (zh) * | 2021-03-09 | 2021-06-18 | 武汉华星光电半导体显示技术有限公司 | 支撑板及可折叠显示模组 |
| KR102419478B1 (ko) * | 2021-05-07 | 2022-07-11 | (주)케이에이치바텍 | 폴더블 힌지장치 |
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| WO2025241930A1 (zh) * | 2024-05-23 | 2025-11-27 | 荣耀终端股份有限公司 | 转轴机构和电子设备 |
| WO2026026113A1 (zh) * | 2024-07-31 | 2026-02-05 | 荣耀终端股份有限公司 | 转轴机构和可折叠电子设备 |
| WO2026045818A1 (zh) * | 2024-08-28 | 2026-03-05 | 华为技术有限公司 | 折叠机构、电子设备及第一同步件 |
Also Published As
| Publication number | Publication date |
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| EP4600513A4 (en) | 2025-12-31 |
| EP4600513A1 (en) | 2025-08-13 |
| CN120077206A (zh) | 2025-05-30 |
| CN117948338A (zh) | 2024-04-30 |
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