WO2024001480A1 - 折叠组件及折叠式显示设备 - Google Patents

折叠组件及折叠式显示设备 Download PDF

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Publication number
WO2024001480A1
WO2024001480A1 PCT/CN2023/090902 CN2023090902W WO2024001480A1 WO 2024001480 A1 WO2024001480 A1 WO 2024001480A1 CN 2023090902 W CN2023090902 W CN 2023090902W WO 2024001480 A1 WO2024001480 A1 WO 2024001480A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating shaft
shaft base
bump
folding assembly
stop surface
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
Application number
PCT/CN2023/090902
Other languages
English (en)
French (fr)
Inventor
李拓
于登攀
姚文星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Honor Device Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honor Device Co Ltd filed Critical Honor Device Co Ltd
Priority to EP23829667.7A priority Critical patent/EP4502995B1/en
Priority to US18/869,093 priority patent/US20250324524A1/en
Publication of WO2024001480A1 publication Critical patent/WO2024001480A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • 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
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • 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
    • 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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • 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
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H04M1/185—Improving the shock resistance of the housing, e.g. by increasing the rigidity
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0243—Mechanical details of casings for decorative purposes
    • 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

Definitions

  • the present application relates to the technical field of folding devices, and in particular to a folding assembly and a folding display device.
  • the foldable display device includes a flexible screen, a rotating shaft and two housings.
  • the two housings are rotationally connected through the rotating shaft, and the flexible screen is laid on the two housings.
  • the unfolding and folding operations of the foldable display device can be realized.
  • the foldable display device is in the folded state, the two housings are flipped to the same side of the rotating shaft, that is, the rotating shaft is located on one edge of the folding display device.
  • the present application provides a folding assembly and a folding display device. Both the folding assembly and the folding display device can solve to a certain extent the problem of damage to the flexible screen caused by the inward collapse of the rotating shaft due to impact.
  • the first aspect of this application provides a folding assembly, including: a rotating shaft mechanism and a connecting mechanism,
  • the rotating shaft mechanism includes a convex block and a rotating shaft base body, and the convex block is provided at an end of the rotating shaft base body along the length direction;
  • the connection mechanism includes two support members.
  • the two support members are respectively connected to both sides of the rotating shaft base along the width direction.
  • the two supporting members are respectively capable of rotating relative to the rotating shaft base so that the foldable Component is in expanded state Switch between the folded state and the folded state;
  • a stop surface is provided on a side of the support member close to the rotating shaft base. In the folded state, the protrusions and the stopping surface are spaced apart and opposite to each other in the thickness direction of the rotating shaft base.
  • the folding assembly provided by this application can be applied to a folding display device.
  • the body to be supported is the flexible screen in the folding display device, that is, the support member is used to support the flexible screen.
  • the folding component is used to drive the flexible screen to switch between the folded state and the unfolded state.
  • the bumps provided on the rotating shaft base are spaced apart from and opposite to the stop surface on the support. If the foldable display device falls in the folded state, after the rotating shaft mechanism is impacted, the rotating shaft base will drive the bumps closer to each other.
  • the flexible screen moves in the direction, that is, moves forward along the thickness direction of the rotating shaft base. After the bump moves a certain distance, the bump comes into contact with the stop surface.
  • the stop surface prevents the bump from continuing to move closer to the flexible screen, thereby protecting the flexible screen to a certain extent; on the other hand, through the contact between the bump and the stop surface, the impact force on the rotating shaft mechanism is transmitted to the support member, thereby further dispersing the impact force through the support member and reducing the impact force transmitted to the flexible screen to protect the flexible screen.
  • the stop surface prevents the rotating shaft mechanism from continuing to move closer to the flexible screen, and the impact force is dispersed and absorbed through the support, thereby reducing the impact that may be transmitted to the flexible screen. force, so it can solve the problem of flexible screen damage caused by the rotating shaft mechanism to a certain extent.
  • the support includes a support base and a support block, the support base is connected to one side of the rotation shaft base along the width direction, and the support base can rotate relative to the rotation shaft base; the support The block is arranged on the support base body, the support block is arranged on a side of the support base body close to the rotating shaft base body, and one side of the support block is the stop surface.
  • the rotating shaft base body includes a supporting surface, the supporting surface is used to support the body to be supported, and the bumps are provided on the supporting surface of the rotating shaft base body.
  • the rotating shaft base is provided with one of the bumps at both ends in the length direction, and each of the support members is provided with the stop surface at both ends in the length direction. In the folded state, each of the bumps is spaced opposite to the stop surfaces of the two support members in the thickness direction of the rotating shaft base.
  • one of the bumps is respectively provided at both ends of the rotation shaft base along the length direction, and one of the two supports is provided with one of the bumps at one end of the rotation shaft base in the length direction.
  • a stop surface, the other of which is provided with a stop surface at the other end of the length direction of the rotating shaft base; in the folded state, one of the stop surfaces of the bump and one of the support members.
  • the other one of the bumps and the stop surface of the other support member are arranged at intervals and opposite to each other in the thickness direction of the rotating shaft base body.
  • At least one end of the rotating shaft base body is provided with two bumps along the length direction, and the two bumps are spaced apart along the width direction of the rotating shaft base body, and the two supporting members are both in The end of the rotating shaft base corresponding to the bump in the length direction is provided with the stop surface; in the folded state, the stop surface of one of the bumps and one of the support members is at the corresponding position.
  • the rotation shaft base body is spaced apart from each other in the thickness direction of the rotation shaft base body, and the other bump and the stop surface of the other support member are spaced apart from each other in the thickness direction of the rotation shaft base body.
  • the bumps are provided on the side of the rotating shaft base along the width direction, the support member is provided with a groove, and an inner wall of one side of the groove constitutes the stop surface; when the folding In this state, the bump is located in the groove and is spaced opposite to the stop surface in the thickness direction of the rotating shaft base.
  • the arrangement of the bumps does not increase the thickness of the rotating shaft mechanism, making the thickness of the rotating shaft mechanism smaller.
  • the rotating shaft mechanism further includes a decorative piece, and the decorative piece is installed on the outside of the rotating shaft base.
  • the decorative piece since the decorative piece is installed on the outside of the rotating shaft base, the decorative piece can be used to improve the aesthetics of the rotating shaft mechanism.
  • the decorative piece has an accommodating cavity, at least part of the structure of the rotating shaft base is located in the accommodating cavity, and at least part of the structure of the bump is located outside the accommodating cavity.
  • the covering range of the decorative piece on the rotating shaft base is relatively larger, and the thickness of the overall structure of the decorative piece and the rotating shaft base is relatively smaller.
  • the rotating shaft base body includes a main body and a connecting body, the connecting body is provided at an end of the main body along the length direction, the bump is provided on the connecting body, and the thickness of the connecting body is greater than The thickness of the body.
  • the base body of the rotating shaft Since the bumps are connected to the connecting body, and the relative thickness of the connecting body is thicker, the base body of the rotating shaft has stronger structural rigidity and stronger impact resistance where the bumps are set.
  • the decorative piece is provided with brackets along the ends of the rotation shaft base in the length direction, the connecting body is limited in the brackets, and the bumps are along the thickness of the rotation shaft base. The direction protrudes outside the bracket.
  • the connector is limited by the bracket, and on the other hand, the relatively thick connector is placed in the bracket, which can reduce the thickness of the overall structure of the decorative piece and the rotating shaft base. It is relatively small and can be easily applied to foldable display devices with relatively small thickness.
  • the stop surface and/or the bump are provided with a buffer structure, and in the folded state, the buffer structure is located between the stop surface and the bump.
  • the buffer structure can buffer the impact force transmitted from the bump to the stop surface to a certain extent, reduce the impact force on the support member provided with the stop surface, and improve the impact resistance of the folding assembly.
  • the cushioning structure includes a flexible cushioning pad.
  • the flexible cushion pad deforms under the squeeze of the bump and the stop surface during the movement of the bump to the stop surface, thereby absorbing part of the impact force.
  • the buffer structure is installed on the bump, the buffer structure includes a buffer plate and an elastomer, and the buffer plate and the bump are spaced apart and opposed to each other in the thickness direction of the rotating shaft base,
  • the elastic body is located between the buffer plate and the bump, and the elastic body is connected to the buffer plate and the bump respectively.
  • the buffer plate and the stop The surfaces are arranged oppositely at intervals in the thickness direction of the rotating shaft base.
  • the buffer plate when the bump moves toward the stop surface, the buffer plate first contacts the stop surface.
  • the arrangement of the buffer plate can increase the contact area with the stop surface, and the elastic body can compress and deform to absorb part of the impact force. And after the impact, the elastic body can push the rotating shaft base body to move away from the flexible screen through its own elasticity, so that the rotating shaft base body can be reset.
  • a second aspect of the present application provides a foldable display device, including: a flexible screen and a folding assembly provided in any of the above implementations.
  • the flexible screen is laid on two supports in the folding assembly and covers the folding assembly.
  • the supporting surface of the rotating shaft base is provided in any of the above implementations.
  • the foldable display device provided by this application has the above-mentioned folding components, when the foldable display device falls in the folded state, if the rotating shaft mechanism is hit first, the stop surface in the folding mechanism prevents the rotating shaft mechanism from continuing to move closer to the flexible screen.
  • the flexible screen moves, and the impact force is dispersed and absorbed through the support, thereby reducing the impact force that may be transmitted to the flexible screen. Therefore, the problem of damage to the flexible screen caused by the rotating shaft mechanism can be solved to a certain extent.
  • Figure 1 is an exploded schematic diagram of a rotating shaft mechanism and one of the supports in the folding assembly provided by the embodiment of the present application;
  • Figure 2 is an enlarged view of point A in Figure 1;
  • Figure 3 is a schematic structural diagram of a support member and a rotating shaft mechanism in a folding assembly in a folded state from one perspective provided by an embodiment of the present application;
  • Figure 4 is an enlarged view of B in Figure 3;
  • Figure 5 is a schematic structural diagram of a support member and a rotating shaft mechanism in a folding assembly in a folded state from another perspective according to an embodiment of the present application;
  • Figure 6 is an enlarged view of C in Figure 5;
  • Figure 7 is a schematic structural diagram of a support member and a rotating shaft mechanism in the folding assembly provided by the embodiment of the present application in an unfolded state;
  • Figure 8 is an enlarged view of D in Figure 7;
  • Figure 9 is an exploded schematic diagram of another rotating shaft mechanism and one of the supports in the folding assembly provided by the embodiment of the present application.
  • Figure 10 is an enlarged view of E in Figure 9;
  • Figure 11 is a schematic structural diagram of the rotating shaft base and the bumps in the folding assembly provided by the embodiment of the present application;
  • Figure 12 is a schematic structural diagram of the decorative part in the folding assembly provided by the embodiment of the present application from one perspective;
  • Figure 13 is a schematic structural diagram of the decorative part in the folding assembly provided by the embodiment of the present application from another perspective;
  • Figure 14 is a schematic structural diagram of the first folding assembly provided by the embodiment of the present application in which the two supports and the rotating shaft mechanism are in a folded state;
  • Figure 15 is a schematic structural diagram of the second folding assembly provided by the embodiment of the present application in which the two supports and the rotating shaft mechanism are in a folded state;
  • Figure 16 is a schematic structural diagram of the third folding assembly provided by the embodiment of the present application in which the two supports and the rotating shaft mechanism are in a folded state;
  • Figure 17 is a schematic structural diagram of the fourth folding assembly provided by the embodiment of the present application in which the two supports and the rotating shaft mechanism are in a folded state;
  • Figure 18 is a schematic assembly diagram of a buffer structure and bumps in the folding assembly provided by the embodiment of the present application.
  • Figure 19 is a schematic assembly diagram of another buffer structure and bumps in the folding assembly provided by the embodiment of the present application.
  • each drawing symbol 110. Rotating shaft base; 111. Main body; 112. Connector; 120. Bump; 130. Support piece; 131. Stop surface; 132. Support block; 133. Groove; 134. Support base body; 140. Decoration piece; 141. Accommodation cavity; 142. Bracket; 143. Partition plate; 151. Flexible buffer pad; 152. Buffer plate; 153. Elastomer.
  • Figure 1 is a schematic diagram of the rotating shaft base 110, the bump 120 and one of the supporting members 130 in the folding assembly provided by this embodiment. Since both supporting members 130 are shown in the figure, most of the structure of the rotating shaft base 110 will be obscured. Only one supporting member 130 remains, and the two supporting members 130 are symmetrically distributed relative to the rotating shaft base 110 .
  • this embodiment provides a folding assembly, including a rotating shaft mechanism and a connecting mechanism, wherein: the rotating shaft mechanism includes a bump 120 and a rotating shaft base 110, and the bump 120 is at least disposed along the length of the rotating shaft base 110 end of the direction.
  • the connection mechanism includes two supporting members 130.
  • the two supporting members 130 are respectively connected to both sides of the rotating shaft base 110 along the width direction.
  • the two supporting members 130 can respectively rotate relative to the rotating shaft base 110, so that the folding assembly can be in the unfolded state and the folded state. switch between. In the unfolded state, the two supporting members 130 are disposed on both sides of the rotating shaft base 110 in the width direction.
  • the two supporting members 130 rotate to one side of the rotating shaft base 110 in the thickness direction.
  • a stop surface 131 is provided on the side of the support member 130 close to the rotation shaft base.
  • the bumps 120 and the stop surface 131 are spaced apart from each other in the thickness direction of the rotation shaft base 110 .
  • the number of the bumps 120 may be one or more. When the number of the bumps 120 is one, the bumps 120 are disposed at one end along the length direction of the rotating shaft base 110 . When the number of bumps 120 is two, one bump 120 is provided at each end of the rotation shaft base 110 along the length direction; or, two bumps 120 are both provided at the same end of the rotation shaft base 110 along the length direction.
  • the stop surface 131 may be provided on only one support member 130 , or the stop surface 131 may be provided on both support members 130 .
  • the number of stop surfaces 131 is equal to the number of bumps 120, and they are arranged in one-to-one correspondence. That is, in the folded state, one bump 120 is only connected to one stop surface.
  • the surfaces 131 are spaced apart from each other in the thickness direction of the shaft base 110 .
  • the number of stop surfaces 131 provided on the two support members 130 may be equal or unequal.
  • the sum of the numbers of the stop surfaces 131 on the two supports 130 is greater than or equal to the number of the bumps 120 .
  • the number of the bumps 120 is one
  • one stop surface 131 can be provided on the two support members 130 respectively, that is, the sum of the number of the stop surfaces 131 is two.
  • one protrusion 120 is spaced opposite to the two stop surfaces 131 in the thickness direction of the rotating shaft base 110 .
  • the stop surface 131 on the left supporting member 130 and the left partial area of the bump 120 are in the thickness direction of the rotating shaft base 110
  • the upper portions are spaced apart from each other, and the stop surface 131 on the right support member 130 and the right portion of the bump are spaced apart from each other in the thickness direction of the rotating shaft base 110 .
  • both support members 130 may be provided with stop surfaces 131 , or one support member 130 may be provided with stop surfaces 131 , while the other support member 130 may be provided with no stop surfaces 131 .
  • the bumps 120 and the stop surfaces 131 are spaced apart from each other in the thickness direction of the rotating shaft base 110 to facilitate the rotation of the supporting member 130 relative to the rotating shaft mechanism.
  • the distance between the bump 120 and the corresponding stop surface 131 is 0.1mm-0.5mm.
  • the distance can be 0.1mm, 0.15mm, 0.2mm, 0.3mm, 0.35mm or 0.5mm.
  • the length direction, width direction and thickness direction of each structure described in this embodiment are all based on the length direction, width direction and thickness direction of the rotating shaft base 110 .
  • the length direction of the rotating shaft base 110 is called the up-down direction, and the two ends of the rotating shaft base 110 along the length direction are respectively the upper end and the lower end.
  • the two support members 130 are respectively located on the left and right sides of the rotating shaft base 110 in the unfolded state, and the left and right directions are the width direction of the rotating shaft base 110 .
  • the thickness direction of the rotating shaft base 110 is called the front-rear direction.
  • both supports 130 are located on the front side of the rotating shaft base 110 , and the side away from the front side is the rear side of the rotating shaft base 110 .
  • the stop surface 131 is located on the front side of the bump 120, so that the bump 120 will contact the stop surface 131 after moving forward.
  • the folding assembly can be applied to a folding display device.
  • the supporting member 130 is used to support the flexible screen.
  • the flexible screen is laid on and supported by the two supporting members 130
  • the front side of the rotating shaft base is a supporting surface.
  • the folding component is used to drive the flexible screen to switch between the folded state and the unfolded state.
  • the bumps 120 provided on the rotating shaft base 110 and the stop surface 131 on the supporting member 130 are spaced apart and relatively arranged in the thickness direction of the rotating shaft base 110.
  • the rotating shaft base 110 drives the bump 120 to move closer to the flexible screen, that is, moves forward along the thickness direction of the rotating shaft base 110.
  • the bump 120 moves a certain distance
  • the bump 120 contacts the stop surface 131.
  • the stop surface 131 prevents the bump 120 from continuing to move closer to the flexible screen, thereby protecting the flexible screen to a certain extent; on the other hand, through the contact between the bump 120 and the stop surface 131, the rotating shaft mechanism is affected
  • the impact force is transmitted to the support member 130, thereby further dispersing the impact force through the support member 130, reducing the impact force transmitted to the flexible screen, so as to protect the flexible screen.
  • the stop surface 131 prevents the rotating shaft mechanism from continuing to move closer to the flexible screen, and the impact force is dispersed and absorbed by the supporting member 130 to reduce the possibility of being transmitted to the flexible screen.
  • the impact force can solve the problem of flexible screen damage caused by the rotating shaft mechanism to a certain extent.
  • the folding component provided in this embodiment can also be used in furniture and home appliances with foldable structures such as refrigerators, cabinets, and doors.
  • the folding assembly When the folding assembly is used in a refrigerator, one support member 130 is connected to the refrigerator box, and the other support member 130 is connected to the refrigerator door.
  • the folding assembly can improve the impact resistance of the connection between the refrigerator door and the box body.
  • the folding assembly When the folding assembly is used in a cabinet, one support member 130 is connected to the cabinet body, and the other support member 130 is connected to the cabinet door.
  • the folding assembly can improve the impact resistance of the connection between the cabinet body and the cabinet door.
  • the folding assembly When the folding assembly is used in a door, one support member 130 is connected to the door frame, and the other support member 130 is connected to the door body.
  • the folding assembly can improve the impact resistance of the connection between the door body and the door frame.
  • the folding component is applied to a folding display device as an example for further description.
  • the support member 130 includes a support block 132 , and one side of the support block 132 is a stop surface 131 . Specifically, when the folding assembly is in the folded state, the side of the supporting block 132 facing the protruding block 120 is the stop surface 131 .
  • the support member 130 further includes a support base 134 , and the support base 134 is connected to one side of the rotation shaft base 110 in the width direction.
  • the support base 134 of one support member 130 is connected to the left side of the rotating shaft base 110
  • the supporting base 134 of the other supporting member 130 is connected to the rotating shaft base 110 the right side of.
  • the support base 134 is rotatably connected to the rotating shaft base 110
  • the supporting block 132 is provided on the side of the supporting base 134 close to the rotating shaft base 110.
  • the supporting block 132 and the supporting base 134 can be manufactured in an integrated manner. Prepared integrated structure.
  • the support block 132 and the support base 134 may have separate structures, and may be fixedly connected through bolting, bonding, or other connection methods.
  • the stop surface 131 is an arc surface.
  • the front side of the bump 120 can also be set as an arc surface. This arrangement can increase the number of bumps.
  • the stop surface 131 extends toward the support base 134 , and the stop surface 131 finally connects with the support member 130 .
  • the transition surface between the support block 132 and the support base 134 is also an arc-shaped surface, that is, there is an arc-shaped transition between the support block 132 and the support base 134.
  • the front side of the rotating shaft base 110 is a supporting surface for supporting the body to be supported.
  • the body to be supported is a flexible screen. That is to say, in the foldable display device, the flexible screen and the supporting surface of the rotating shaft base 110 are arranged opposite to each other in the thickness direction of the rotating shaft base 110 .
  • the supporting surface of the rotating shaft base 110 may be in direct contact with the flexible screen, or other components may be installed on the supporting surface of the rotating shaft base 110 so that the supporting surface indirectly supports the flexible screen.
  • the rotating shaft mechanism also includes a hinge structure, and the supporting members 130 are rotatably connected to the rotating shaft base 110 through the hinge structures.
  • the hinge structure is installed on the supporting surface of the rotating shaft base 110 .
  • the bumps 120 are disposed on the supporting surface of the rotating shaft base 110 , and the bumps 120 are disposed to protrude forward.
  • the distance between the bump 120 and the axis of the rotating shaft base 110 is relatively close, or the bump 120 is located in front of the axis of the rotating shaft base 110 .
  • the impact force is transmitted to the bump 120 faster, and the stop surface 131 receives The impact force is greater, so blocking the bump 120 by the stop surface 131 can more effectively prevent the rotating shaft mechanism from moving forward.
  • the stop surface 131 is located on the front side of the bump 120 , and the stop surface 131 and the bump 120 are spaced apart and opposite to each other in the thickness direction of the rotation shaft base 110 .
  • the stop surface 131 gradually moves away from the front side of the protrusion 120 .
  • the stop surface 131 is located on the left or right side of the bump 120 . Specifically, if the stop surface 131 is provided on the left support member 130 , then the stop surface 131 is located on the left side of the protrusion 120 in the unfolded state. If the stop surface 131 is provided on the right support member 130 , the stop surface 131 is located on the right side of the protrusion 120 in the unfolded state.
  • the rotating shaft mechanism further includes a decorative part 140 , and the decorative part 140 is installed on the outside of the rotating shaft base 110 .
  • the decorative part 140 can improve the aesthetics of the device in which the folding assembly is applied.
  • the decorative part 140 and the rotating shaft base 110 are made of different materials.
  • the decorative piece 140 covers at least the rear side of the rotating shaft base 110 .
  • the decorative part 140 may be located only on the rear side of the rotating shaft base 110 .
  • the decorative piece 140 covers the left side, rear side and right side of the rotating shaft base 110 . This arrangement can reduce or even prevent the rotating shaft base 110 from leaking to the outside of the device where the folding assembly is applied.
  • the decorative piece 140 since the decorative piece 140 is installed on the outside of the rotating shaft base 110, it can be The decorative part 140 improves the aesthetics of the rotating shaft mechanism, while the rotating shaft base 110 can be made of a material with stronger strength and greater rigidity, regardless of the aesthetics.
  • the rotating shaft base 110 is made of high-strength steel
  • the decorative part 140 is made of aluminum alloy material. It is worth explaining that high-strength steel is relative to carbon structural steel, which is generally divided into Q235 (carbon steel). Low-alloy structural steel is usually called high-strength steel, that is, structural steel with a strength above Q295 is high-strength steel. .
  • the rotating shaft base 110 is made of high-strength steel, so that the rotating shaft base 110 has higher rigidity and better anti-fall performance.
  • the bump 120 can be made of the same material as the rotating shaft base 110 .
  • the decorative part 140 is made of aluminum alloy material, which facilitates the realization of appearance and improves the aesthetics of the device using folding components.
  • the decorative part 140 and the supporting part 130 may be fixedly connected or detachably connected.
  • the decorative part 140 and the supporting part 130 may be connected through bolts.
  • the decorative part 140 and the supporting part 130 may also be connected by bonding, snapping, welding, or other methods.
  • the decorative piece 140 has an accommodating cavity 141 , at least part of the structure of the rotating shaft base 110 is located inside the accommodating cavity 141 , and at least part of the structure of the bump 120 is located outside the accommodating cavity 141 .
  • the covering range of the decorative piece 140 on the rotating shaft base 110 is relatively larger, and the thickness of the overall structure of the decorative piece 140 and the rotating shaft base 110 is reduced. Relatively smaller.
  • the decorative piece 140 is provided with an accommodating cavity 141 on the front side, and the opening of the accommodating cavity 141 is located on the front side of the accommodating cavity 141 .
  • the rotating shaft base 110 is placed into the accommodating cavity 141 from front to back, so that the rotating shaft base 110 is completely located in the accommodating cavity 141 and the protrusions 120 protrude from the opening of the accommodating cavity 141 .
  • the rotating shaft base 110 may be a plate-like structure, and the bump 120 is installed on the front side of the plate-like structure.
  • the rotating shaft base 110 includes a main body 111 and a connecting body 112.
  • the connecting body 112 is provided at the end of the main body 111 along the length direction, and the bump 120 is provided to the connector 112.
  • the number of the connecting body 112 is one, and it is provided at one end of the main body 111 along the length direction. Only one bump 120 can be provided on the connecting body 112, or two bumps 120 can be provided at intervals.
  • the bumps 120 are spaced apart along the width direction of the connecting body 112 .
  • the number of connecting bodies 112 is two, and the two connecting bodies 112 are respectively provided at both ends of the main body 111 , and both connecting bodies 112 are provided with bumps 120 .
  • the number of bumps 120 provided on the two connecting bodies 112 may be the same or different.
  • one connecting body 112 is provided with one bump 120 and the other connecting body 112 is provided with two bumps 120; or each connection
  • Each connecting body 112 is provided with one bump 120, that is, the total number of bumps 120 on the rotating shaft base 110 is two; or each connecting body 112 is provided with two bumps 120, that is, the total number of bumps 120 on the rotating shaft base 110 is two.
  • the total number of bumps 120 is four.
  • connectors 112 are respectively provided at both ends of the main body 111 along the length direction.
  • a bump 120 is provided on the two connectors 112.
  • the thickness of the connector 112 is greater than the thickness of the main body 111. Since the bump 120 is connected to the connecting body 112 and the connecting body 112 is relatively thicker, the rotating shaft base 110 has stronger structural rigidity and stronger impact resistance at the location where the bump 120 is disposed.
  • the main body 111 has a strip-shaped plate structure.
  • the upper and lower ends of the main body 111 are respectively provided with connectors 112
  • the two connectors 112 are respectively provided with bumps 120 .
  • the length of the connecting body 112 in the width direction is smaller than the length of the main body 111 in the width direction.
  • the length of the connecting body 112 in the left-right direction is smaller than the length of the main body 111 in the left-right direction.
  • the length of the bump 120 in the width direction is smaller than the length of the connector 112 in the width direction.
  • the length of the bump 120 in the left-right direction is smaller than the length of the connector 112 in the left-right direction.
  • the upper and lower ends of the main body 111 are respectively provided with connecting bodies 112 , and the supporting surface of the connecting body 112 is provided with protrusions 120 protruding forward.
  • the horizontal plane where the front side of the bump 120 is located is above the horizontal plane where the front side of the main body 111 is located, and the horizontal plane where the rear side of the connecting body 112 is located is below the horizontal plane where the rear side of the main body 111 is located.
  • the decorative piece 140 is provided with a bracket 142 at an end along the length direction of the rotating shaft base 110 , and the connecting body 112 is limited in the bracket 142 .
  • the bracket 142 is for connecting The body 112 plays a certain limiting role.
  • the bump 120 protrudes to the outside of the bracket 142 along the thickness direction of the shaft base 110 . That is to say, the front side of the bump 120 is located outside the bracket 142 .
  • the protrusions 120 protrude to the outside of the bracket 142 along the thickness direction of the rotation shaft base 110 .
  • placing the relatively thick connector 112 in the bracket 142 can make the thickness of the overall structure of the decorative piece 140 and the rotating shaft base 110 relatively small, which is convenient for application in folding products with a relatively small thickness.
  • the length of the overall structure of the decorative part 140 and the rotating shaft base 110 is also relatively small.
  • one bracket 142 is provided at the front and rear ends of the decorative piece 140 respectively, and the accommodating cavity 141 is located between the two brackets 142 .
  • the decorative component 140 may be provided with only the accommodating cavity 141 without the bracket 142 , or may be provided with only the bracket 142 without the accommodating cavity 141 .
  • the decorative piece 140 is provided with an accommodating cavity 141 and a bracket 142 at the same time.
  • the decorative part 140 is provided with a partition 143 that separates the bracket 142 from the accommodating cavity 141 .
  • the number of brackets 142 is two
  • the number of partitions 143 is two.
  • the main body 111 is located between the two partitions 143.
  • the partitions 143 have a supporting role for both ends of the main body 111 along the length direction.
  • the two connectors 112 are respectively located outside the two partitions 143 , and the partitions 143 play a role in limiting the connectors 112 in the length direction.
  • the decorative piece with two brackets 142 shown in FIG. 13 is adapted to the spindle base 110 with two connectors 112 (the spindle base 110 is shown in FIG. 11 ).
  • Figure 14 shows the relative positional relationship between the support and the rotating shaft mechanism in the folded state.
  • the direction perpendicular to the paper surface is the length direction of the rotating shaft base 110.
  • the two support members 130 are each provided with two stop surfaces 131, and the two ends of the rotating shaft base 110 along the length direction are respectively provided with a bump 120, that is, the rotating shaft A total of two bumps 120 are provided on the base 110 .
  • the bump 120 shown in FIG. 14 is located at the lower end of the rotating shaft base 110 .
  • the left area of the front side of the bump 120 located at the lower end of the rotating shaft base 110 and the stop surface 131 of the left support member 130 are spaced apart from each other in the thickness direction of the rotating shaft base 110.
  • the bump 120 has The right area of the front side and the stop surface 131 of the right support member 130 are spaced apart from each other in the thickness direction of the rotating shaft base 110 .
  • the left area of the front side of the bump 120 located at the upper end of the rotating shaft base 110 and the stop surface 131 of the left support member 130 are spaced apart from each other in the thickness direction of the rotating shaft base 110 .
  • the right side of the front side of the bump 120 The bottom area and the stop surface 131 of the support member 130 on the right side are spaced apart from each other in the thickness direction of the rotating shaft base 110 .
  • the two supporting members 130 have the same structure and are symmetrically arranged relative to the rotating shaft base 110 .
  • a stop surface 131 is provided at the upper and lower ends of the two support members 130, that is, two stop surfaces 131 are provided on each support member 130, and the number of stop surfaces 131 on the two support members 130 is for four.
  • a bump 120 is provided at both the upper and lower ends of the rotating shaft base 110. That is to say, the stop surfaces 131 at the upper ends of the two supports 130 are spaced apart from and opposite to the same bump 120 at the upper end of the rotating shaft base 110.
  • the stop surfaces 131 at the lower ends of the two support members 130 are spaced apart from and opposite to the same protrusion 120 at the lower end of the rotating shaft base 110 in the thickness direction of the rotating shaft base 110 . Since one bump 120 needs to be connected with two The stop surfaces 131 are opposite, so the width of the bump 120 is relatively longer. After the rotating shaft mechanism is impacted, one bump 120 can contact the two stop surfaces 131 to transmit the impact force to the two supports 130 through the two stop surfaces 131 respectively.
  • support blocks 132 are provided at both upper and lower ends of the two support members 130 , and the stop surfaces 131 are formed on the support blocks 132 .
  • Figure 15 shows the relative positional relationship between another support member and the rotating shaft mechanism in the folded state.
  • the direction perpendicular to the paper surface is the length direction of the rotating shaft base 110.
  • Figure 15 only the protrusions provided at the lower end of the rotating shaft base 110 are shown.
  • the two supporting members 130 are respectively provided with a stop surface 131
  • the two ends of the rotating shaft base 110 are respectively provided with a bump 120 , that is to say, on the rotating shaft base 110
  • Two protrusions 120 are provided, and two stop surfaces 131 are provided on the two supporting members 130 .
  • a stop surface 131 is provided at one end of one support member 130 along the length direction of the rotation shaft base 110
  • a stop surface 131 is provided at the other end of the other support member 130 along the length direction of the rotation shaft base 110 .
  • one protrusion 120 is spaced apart from the stop surface 131 of one support member 130
  • the other protrusion 120 is spaced apart from the stop surface 131 of the other support member 130 .
  • the lower end of the left support member 130 is not provided with a stop surface 131
  • the lower end of the right support member 130 is provided with a stop surface 131.
  • one support member 130 is only provided with one stop surface 131 , the upper end of the left support member 130 is provided with a stop surface 131 , while the upper end of the right support member 130 is not provided with a stop surface 131 .
  • a bump 120 is provided on the left side of the upper end of the rotating shaft base 110 and a bump 120 is provided on the right side of the lower end.
  • the width of the bumps 120 is relatively smaller, that is, the rotating shaft The overall weight of the mechanism is smaller.
  • Figure 16 shows the relative positional relationship between the support and the rotating shaft mechanism in the folded state.
  • the direction perpendicular to the paper surface is the length direction of the rotating shaft base 110.
  • the bumps provided at the lower end of the rotating shaft base 110 are shown.
  • two bumps 120 are provided on at least one end of the shaft base 110 along the length direction, and the two bumps 120 are spaced apart in the width direction of the shaft base 110 . That is to say, only two bumps 120 may be provided at one end of the rotating shaft base 110 along the length direction, and only one or two bumps 120 may be provided at the other end of the rotating shaft base 110 along the length direction.
  • the bumps 120 are provided at intervals along the width direction of the rotating shaft base 110 , or the bumps 120 may not be provided.
  • two protrusions 120 are provided at both ends of the rotating shaft base 110 at intervals along the width direction, and the two support members 130 are provided with stops at the ends corresponding to the protrusions 120 in the length direction of the rotating shaft base 110 .
  • the stop surfaces 131 of one support member 130 are arranged oppositely at intervals in the thickness direction of the rotating shaft base 110 .
  • the setting position of the stop surface 131 can be selected according to the structural requirements of the support member 130 itself, and the bumps 120 matching the stop surface 131 can be arranged on the base of the rotating shaft according to the setting position of the stop surface 131 Location on 110.
  • Figure 17 shows the relative positional relationship between a support member and the rotating shaft mechanism in the folded state, perpendicular to the paper surface. That is, the length direction of the rotating shaft base 110.
  • the bumps 120 are disposed on the side of the rotation shaft base 110 along the width direction and extend along the width direction.
  • the bumps 120 can be disposed on the left side and/or the right side of the rotation shaft base 110 .
  • the support member 130 is provided with a groove 133 corresponding to the bump 120 , and the inner wall of one side of the groove 133 forms a stop surface 131 .
  • the protrusions 120 are located in the grooves 133 and are spaced opposite to the stop surface 131 in the thickness direction of the rotating shaft base 110 .
  • the arrangement of the bumps 120 does not increase the thickness of the rotating shaft mechanism, making the thickness of the rotating shaft mechanism smaller. For example, in FIG.
  • the end of the left side and the end of the right side of the rotating shaft base 110 are provided with protrusions 120 , the protrusions 120 on the left side extend to the left, and the protrusions 120 on the right side extend to the left.
  • Block 120 extends to the right.
  • the support member 130 on the left is provided with a groove 133 that opens to the right, and the support member 130 on the right is provided with a slot that opens to the left.
  • the state shown in Figure 17 is a folded state. In the folded state, the left bump 120 is located in the groove 133 of the left support member 130, and the right bump 120 is located in the groove 133 of the right support member 130. middle.
  • the stop surface 131 and/or the bump 120 are provided with a buffer structure, and in the folded state, the buffer structure is located between the stop surface 131 and the bump 120 .
  • the buffer structure can be used to buffer the impact force transmitted from the bump 120 to the stop surface 131 to a certain extent, thereby reducing the impact force on the support member 130 provided with the stop surface 131 and improving the resistance of the folding assembly. Impact capability.
  • the buffer structure can further absorb the impact force through its own elastic deformation, collapse deformation and other characteristics to reduce the impact force transmitted from the rotating shaft mechanism to the support member 130 .
  • the cushioning structure includes a flexible cushioning pad 151.
  • the flexible cushion pad 151 deforms under the extrusion of the bump 120 and the stop surface 131 when the bump 120 moves toward the stop surface 131 , thereby absorbing part of the impact force.
  • the flexible cushion pad 151 is disposed on the front side of the bump 120 .
  • the flexible cushion pad 151 may be disposed on the stop surface 131 .
  • the connection method between the flexible cushion pad 151 and the bump 120 or the stop surface 131 may be adhesive.
  • the flexible cushion 151 can be a sheet structure made of sponge, silicone, rubber or other materials.
  • the buffer structure is installed on the bump 120 .
  • the buffer structure includes a buffer plate 152 and an elastic body 153 .
  • the buffer plate 152 and the bump 120 are spaced apart in the thickness direction of the rotating shaft base 110 Arranged oppositely, the elastic body 153 is located between the buffer plate 152 and the bump 120, and the elastic body 153 is connected to the buffer plate 152 and the bump 120 respectively.
  • the buffer plate 152 and the stop surface 131 are within the thickness of the rotating shaft base 110. The intervals are relatively set in the direction.
  • the arrangement of the buffer plate 152 can increase the contact area with the stop surface 131.
  • the elastic body 153 can be compressed and deformed to absorb part of the impact force. And after the impact, the elastic body 153 can push the rotating shaft base 110 to move away from the flexible screen through its own elasticity, so that the rotating shaft base 110 can be reset.
  • the elastic body 153 is specifically a spring, and multiple springs are provided between the buffer plate 152 and the bump 120 .
  • the elastic body 153 can also be a rubber column, a spring piece, or other elastic structures.
  • This embodiment also provides a foldable display device, including: a flexible screen and a folding assembly as provided in any of the above embodiments.
  • the flexible screen is laid on the two supports 130 in the folding assembly and covers the rotating shaft base 110 Supporting surface.
  • the bumps 120 can be located on both sides of the flexible screen in the length direction of the rotating shaft base 110 , or in other words, at least one bump 120 is located on one side of the flexible screen in the length direction of the rotating shaft base 110 , and at least one bump 120 It is located on the other side of the flexible screen in the length direction of the rotating shaft base 110 .
  • the bump 120 and the soft The sexual screens are not opposite in the front-to-back direction, or they are staggered. When the rotating shaft mechanism is impacted, the bump 120 will not squeeze the flexible screen after moving forward.
  • the foldable display device provided in this embodiment has the above-mentioned folding components, when the foldable display device falls in the folded state, if the rotating shaft mechanism is hit first, the stop surface 131 in the folding mechanism prevents the rotating shaft mechanism from continuing to move closer to the flexible display device.
  • the screen moves in the direction, and the impact force is dispersed and absorbed by the support 130, thereby reducing the impact force that may be transmitted to the flexible screen, thus solving the problem of damage to the flexible screen caused by the rotating shaft mechanism to a certain extent.
  • Foldable display devices provided in this embodiment include but are not limited to mobile phones, tablet computers, electronic paper books, smart watches and other foldable electronic devices with flexible display screens.
  • the two support members 130 can be respectively the two sides of the mobile phone case.
  • the case includes a middle frame, and the support members can specifically be the middle frame in the case.
  • the support member 130 is independent of the casing, and the two support members 130 can be connected to the two middle frames of the mobile phone in a one-to-one correspondence.

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Abstract

一种折叠组件及折叠式显示设备，属于折叠设备技术领域。折叠式显示设备包括折叠组件。折叠组件包括转轴机构和连接机构，转轴机构包括凸块（120）和转轴基体（110），凸块（120）设置在转轴基体（110）沿长度方向的端部；连接机构包括两个支撑件（130），两个支撑件（130）分别连接于转轴基体（110）沿宽度方向的两侧，两个支撑件（130）分别能够相对转轴基体（110）转动，以使折叠组件在展开状态和折叠状态之间切换；支撑件（130）靠近转轴基体（110）的一侧设置有止挡面（131），在折叠状态，凸块（120）与止挡面（131）在转轴基体（110）的厚度方向上间隔相对设置。应用有折叠组件的设备在跌落受到撞击时，止挡面（131）阻止转轴机构继续向靠近柔性屏方向移动，且对于撞击力进行分散吸收，解决转轴机构导致的柔性屏损伤问题。

Description

折叠组件及折叠式显示设备
本申请要求于2022年07月01日提交国家知识产权局、申请号为202210768377.6、申请名称为“折叠组件及折叠式显示设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及折叠设备技术领域，特别涉及一种折叠组件及折叠式显示设备。
背景技术
随着显示技术的发展，折叠式显示设备由于其在展开状态下能够获得较大的显示面积，而在折叠状态下能够获得更好的便携性，因此愈发受到使用者的青睐。折叠式显示设备包括柔性屏、转轴和两个壳体，两个壳体通过转轴转动连接，柔性屏铺设在两个壳体上。使两个壳体反向摆动，即可实现折叠式显示设备的展开和折叠操作。在折叠式显示设备处于折叠状态时，两个壳体翻转到转轴的同一侧，也即使得转轴位于折叠式显示设备的一侧边缘。在折叠状态下，若折叠式显示设备跌落，在下落过程中易呈现倾斜向下的落态，从而导致折叠式显示设备的角部首先受到撞击，由于转轴位于折叠式显示设备的一侧边缘，因此转轴的一端易首先受到撞击，导致转轴向内塌陷，从而挤压柔性屏使得柔性屏损坏。
为解决上述问题，目前通常有两种解决方式，一种方式是设置更粗的转轴，使得转轴的抗撞击力更强，但是该种解决方式一方面使得整机重量更大，另一方面为了配合转轴的尺寸，整机厚度增加，便携性较差，使用体验降低。另一种方式是在转轴的一端设置圆角，并使得壳体与转轴连接的一侧的圆角增大，以使得在掉落后壳体先于转轴或者壳体和转轴同时受到撞击，以通过壳体分担转轴的撞击力，但是该种设置方式使得壳体两侧的圆角角度不同，导致折叠式显示设备在折叠状态下两侧比例不协调，使用体验降低。
由上可知，目前无法在不改变折叠式显示设备外观的情况下解决转轴在撞击后向内塌陷导致柔性屏损伤的问题。
发明内容
本申请提供一种折叠组件及折叠式显示设备，此折叠组件和折叠式显示设备均可在一定程度上解决由于转轴受撞击向内塌陷导致柔性屏损伤的问题。
所述技术方案如下：
本申请第一方面提供一种折叠组件，包括：转轴机构和连接机构，
所述转轴机构包括凸块和转轴基体，所述凸块设置在所述转轴基体沿长度方向的端部；
所述连接机构包括两个支撑件，两个所述支撑件分别连接于所述转轴基体沿宽度方向的两侧，两个所述支撑件分别能够相对所述转轴基体转动，以使所述折叠组件在展开状态 和折叠状态之间切换；
所述支撑件靠近所述转轴基体的一侧设置有止挡面，在所述折叠状态，所述凸块与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
本申请提供的折叠组件能够应用于折叠式显示设备，当将折叠组件应用于折叠式显示设备，则待支撑体为折叠式显示设备中的柔性屏，也即支撑件用于支撑柔性屏。折叠组件用于带动柔性屏在折叠状态和展开状态之间切换。在折叠状态，转轴基体上设置的凸块与支撑件上的止挡面间隔且相对设置，若折叠式显示设备在折叠状态下跌落，则在转轴机构受到撞击后，转轴基体带动凸块向靠近柔性屏方向移动，也即沿转轴基体的厚度方向向前移动，在凸块移动一定距离后，凸块与止挡面接触。一方面，止挡面阻止凸块继续向靠近柔性屏方向移动，从而对于柔性屏起到一定的保护作用；另一方面，通过凸块与止挡面的接触，使得转轴机构受到的撞击力传递至支撑件，从而通过支撑件将撞击力进一步分散，减少传递至柔性屏的撞击力，以保护柔性屏。
由于在折叠式显示设备跌落且为转轴机构首先受到撞击时，止挡面阻止转轴机构继续向靠近柔性屏方向移动，且通过支撑件对于撞击力进行分散吸收，减小可能传递至柔性屏的撞击力，因此可在一定程度上解决转轴机构导致的柔性屏损伤问题。
在一些实现方式中，所述支撑件包括支撑基体和支撑块，所述支撑基体连接于所述转轴基体沿宽度方向的一侧，且所述支撑基体能够相对所述转轴基体转动；所述支撑块设置于所述支撑基体，所述支撑块设置于所述支撑基体靠近所述转轴基体的一侧，所述支撑块的一侧面为所述止挡面。
在一些实现方式中，所述转轴基体包括承托面，所述承托面用于承托待支撑体，所述凸块设置于所述转轴基体的所述承托面。
在一些实现方式中，所述转轴基体于长度方向上的两端分别设置有一个所述凸块，各所述支撑件于长度方向上的两端均设置有所述止挡面，在所述折叠状态，每个所述凸块均与两个所述支撑件的止挡面在所述转轴基体的厚度方向上间隔相对设置。
在一些实现方式中，所述转轴基体沿长度方向的两端分别设置有一个所述凸块，两个所述支撑件中，一者在所述转轴基体的长度方向的一端设置有一个所述止挡面，另一者在所述转轴基体的长度方向的另一端设置有一个所述止挡面；在所述折叠状态，一个所述凸块与一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置，另一个所述凸块与另一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
在一些实现方式中，所述转轴基体沿长度方向的至少一端设置有两个所述凸块，两个所述凸块沿所述转轴基体的宽度方向间隔设置，两个所述支撑件均在所述转轴基体的长度方向上与所述凸块对应的端部设置有所述止挡面；在所述折叠状态，一个所述凸块与一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置，另一个所述凸块与另一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
在一些实现方式中，所述凸块设置于所述转轴基体沿宽度方向的侧面，所述支撑件设置有凹槽，所述凹槽的一侧内壁构成所述止挡面；在所述折叠状态，所述凸块位于所述凹槽内且与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
在该种设置方式中，由于凸块设置在转轴基体的沿宽度方向的侧面，因此凸块的设置不会增加转轴机构的厚度，使得转轴机构的厚度更小。
在一些实现方式中，所述转轴机构还包括装饰件，所述装饰件安装在所述转轴基体的外侧。
在该种设置方式中，由于装饰件安装在转轴基体的外侧，因此可利用装饰件提高转轴机构的美观度。
在一些实现方式中，所述装饰件具有容置腔，所述转轴基体的至少部分结构位于所述容置腔内，且所述凸块的至少部分结构位于所述容置腔外。
在该种设置方式中，通过在装饰件的内部设置容置腔，使得装饰件对于转轴基体的包覆范围相对更大，且使得装饰件与转轴基体的整体结构的厚度相对更小。
在一些实现方式中，所述转轴基体包括主体和连接体，所述主体沿长度方向的端部设置有所述连接体，所述凸块设置于所述连接体，所述连接体的厚度大于所述主体的厚度。
由于凸块连接在连接体上，而连接体的相对厚度更厚，因此在凸块设置处，转轴基体的结构刚性更强，抗撞击力更强。
在一些实现方式中，所述装饰件沿在所述转轴基体的长度方向的端部设置有托槽，所述连接体限位于所述托槽内，所述凸块沿所述转轴基体的厚度方向凸出于所述托槽外。
在该种设置方式中，一方面，通过托槽对于连接体进行限位，另一方面，将厚度相对较厚的连接体放置在托槽内，可使得装饰件与转轴基体的整体结构的厚度相对较小，便于应用于厚度相对较小的折叠式显示设备中。
在一些实现方式中，所述止挡面和/或所述凸块设置有缓冲结构，在所述折叠状态，所述缓冲结构位于所述止挡面与所述凸块之间。
通过上述设置方式，利用缓冲结构可对于凸块传递向止挡面的撞击力进行一定程度的缓冲，减小设置有止挡面的支撑件受到的撞击力，提高折叠组件的抗撞击能力。
在一些实现方式中，所述缓冲结构包括柔性缓冲垫。
柔性缓冲垫通过其自身柔性特性，在凸块向止挡面移动过程中，柔性缓冲垫在凸块与止挡面的挤压下形变，从而吸收部分撞击力。
在一些实现方式中，所述缓冲结构安装于所述凸块，所述缓冲结构包括缓冲板和弹性体，所述缓冲板与所述凸块在所述转轴基体的厚度方向上间隔相对设置，所述弹性体位于所述缓冲板与所述凸块之间，且所述弹性体分别与所述缓冲板与所述凸块连接，在所述折叠状态，所述缓冲板与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
通过上述设置方式，在凸块向止挡面方向移动过程中，缓冲板首先与止挡面接触，缓冲板的设置可增加与止挡面之间的接触面积，弹性体可压缩变形以吸收部分撞击力。且在撞击结束后，弹性体可通过自身弹性推动转轴基体向远离柔性屏方向移动，以便于转轴基体复位。
本申请第二方面提供一种折叠式显示设备，包括：柔性屏和如上述任意一个实现方式提供的折叠组件，所述柔性屏铺设于所述折叠组件中的两个支撑件，且覆盖于所述转轴基体的承托面。
本申请提供的折叠式显示设备由于具有上述折叠组件，因此在折叠式显示设备处于折叠状态跌落时，若转轴机构首先受到撞击时，折叠机构中的止挡面阻止转轴机构继续向靠近柔性屏方向移动，且通过支撑件对于撞击力进行分散吸收，减小可能传递至柔性屏的撞击力，因此可在一定程度上解决转轴机构导致的柔性屏损伤问题。
附图说明
图1是本申请实施例提供的折叠组件中一种转轴机构与其中一个支撑件的爆炸示意图；
图2是图1中A处的放大图；
图3是本申请实施例提供的在一个视角下折叠组件中的一个支撑件与转轴机构处于折叠状态的结构示意图；
图4是图3中B处的放大图；
图5是本申请实施例提供的在另一个视角下折叠组件中的一个支撑件与转轴机构处于折叠状态的结构示意图；
图6是图5中C处的放大图；
图7是本申请实施例提供的折叠组件中的一个支撑件与转轴机构处于展开状态的结构示意图；
图8是图7中D处的放大图；
图9是本申请实施例提供的折叠组件中另一种转轴机构与其中一个支撑件的爆炸示意图；
图10是图9中E处的放大图；
图11是本申请实施例提供的折叠组件中转轴基体与凸块的结构示意图；
图12是本申请实施例提供的折叠组件中装饰件处于一视角的结构示意图；
图13是本申请实施例提供的折叠组件中装饰件处于另一视角的结构示意图；
图14是本申请实施例提供的第一种折叠组件中两个支撑件与转轴机构处于折叠状态的结构示意图；
图15是本申请实施例提供的第二种折叠组件中两个支撑件与转轴机构处于折叠状态的结构示意图；
图16是本申请实施例提供的第三种折叠组件中两个支撑件与转轴机构处于折叠状态的结构示意图；
图17是本申请实施例提供的第四种折叠组件中两个支撑件与转轴机构处于折叠状态的结构示意图；
图18是本申请实施例提供的折叠组件中一种缓冲结构与凸块的装配示意图；
图19是本申请实施例提供的折叠组件中另一种缓冲结构与凸块的装配示意图。
其中，各附图标号所代表的含义分别为：
110、转轴基体；111、主体；112、连接体；120、凸块；130、支撑件；131、止
挡面；132、支撑块；133、凹槽；134、支撑基体；140、装饰件；141、容置腔；142、托槽；143、隔板；151、柔性缓冲垫；152、缓冲板；153、弹性体。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请的实施方式作进一步地详细描述。
应当理解的是，本申请提及的“多个”是指两个或两个以上。在本申请的描述中， 除非另有说明，“/”表示或的意思，比如，A/B可以表示A或B；本文中的“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，比如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，为了便于清楚描述本申请的技术方案，采用了“第一”、“第二”等字样对功能和作用基本相同的相同项或相似项进行区分。本领域技术人员可以理解“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。
下面对本申请实施例提供的折叠组件及折叠式显示设备进行详细地解释说明。在本申请的各附图中，带有箭头的引线均指向器件的表面，带有圆点的引线均指向器件或区域本身。
图1为本实施例提供的折叠组件中转轴基体110、凸块120与其中一个支撑件130的示意图，由于两个支撑件130均显示在图中会将转轴基体110的大部分结构遮挡，因此只保留了一个支撑件130，两个支撑件130相对于转轴基体110对称分布。
如图1和图2所示，本实施例提供了一种折叠组件，包括转轴机构和连接机构，其中：转轴机构包括凸块120和转轴基体110，凸块120至少设置在转轴基体110沿长度方向的端部。连接机构包括两个支撑件130，两个支撑件130分别连接在转轴基体110沿宽度方向的两侧，两个支撑件130分别能够相对转轴基体110转动，以使折叠组件在展开状态和折叠状态之间切换。在展开状态，两个支撑件130分设于转轴基体110在宽度方向的两侧，在折叠状态，两个支撑件130转动至转轴基体110的厚度方向上的一侧。支撑件130靠近转轴基体的一侧设置有止挡面131，在折叠状态，凸块120与止挡面131在转轴基体110的厚度方向上间隔相对设置。
凸块120的数量可以为一个或多个，当凸块120的数量为一个时，凸块120设置在沿转轴基体110的长度方向的其中一端。当凸块120的数量为两个时，在转轴基体110沿长度方向的两端各设置有一个凸块120；或者，两个凸块120均设置在转轴基体110沿长度方向的同一端。
在两个支撑件130中，可仅在一个支撑件130上设置止挡面131，也可在两个支撑件130上均设置有止挡面131。当仅在一个支撑件130上设置止挡面131时，止挡面131的数量与凸块120的数量相等，且一一对应设置，也即在折叠状态，一个凸块120仅与一个止挡面131转轴基体110的厚度方向上间隔相对设置。当两个支撑件130上均设置有止挡面131时，两个支撑件130上设置的止挡面131的数量可以相等也可以不等。两个支撑件130上的止挡面131的数量之和大于或等于凸块120的数量。举例来说，当凸块120的数量为一个时，两个支撑件130上可分别设置有一个止挡面131，也即止挡面131的数量和为两个。在折叠状态，一个凸块120分别与两个止挡面131在转轴基体110的厚度方向上间隔相对设置。若两个支撑件130分别安装在转轴基体110的左右两侧，则在折叠状态，左侧的支撑件130上的止挡面131与凸块120的左侧部分区域在转轴基体110的厚度方向上间隔相对设置，而右侧的支撑件130上的止挡面131与凸块的右侧部分区域在转轴基体110的厚度方向上间隔相对设置。
也即是说，两个支撑件130可均设置有止挡面131，或者，一个支撑件130上设置有止挡面131，另一个支撑件130上没有设置止挡面131。凸块120与止挡面131在转轴基体110的厚度方向上间隔相对设置以便于支撑件130相对于转轴机构转动， 在折叠状态，凸块120与对应的止挡面131之间的间隔为0.1mm-0.5mm，例如间隔可以为0.1mm、0.15mm、0.2mm、0.3mm、0.35mm或0.5mm等。
在本实施例中描述的各结构时所述的长度方向、宽度方向和厚度方向均以转轴基体110的长度方向、宽度方向和厚度方向为基准。如图2所示，将转轴基体110的长度方向称为上下方向，转轴基体110沿长度方向的两端分别为上端和下端。两个支撑件130在展开状态时分别位于转轴基体110的左右两侧，左右方向也即转轴基体110的宽度方向。转轴基体110的厚度方向称为前后方向，在折叠状态时两个支撑件130均位于转轴基体110的前侧，与前侧相背离的一侧为转轴基体110的后侧。则在折叠状态，止挡面131位于凸块120的前侧，以使得凸块120向前移动后将与止挡面131相接触。
折叠组件能够应用于折叠式显示设备，当将折叠组件应用于折叠式显示设备，则支撑件130用于支撑柔性屏，柔性屏铺设在两个支撑件130上，且被两个支撑件130支撑于转轴基体110沿厚度方向的前侧，转轴基体的前侧面为承托面。折叠组件用于带动柔性屏在折叠状态和展开状态之间切换。在折叠状态，转轴基体110上设置的凸块120与支撑件130上的止挡面131在转轴基体110的厚度方向上间隔且相对设置，若折叠式显示设备在折叠状态下跌落，则在转轴机构受到撞击后，转轴基体110带动凸块120向靠近柔性屏方向移动，也即沿转轴基体110的厚度方向向前移动，在凸块120移动一定距离后，凸块120与止挡面131接触。一方面，止挡面131阻止凸块120继续向靠近柔性屏方向移动，从而对于柔性屏起到一定的保护作用；另一方面，通过凸块120与止挡面131的接触，使得转轴机构受到的撞击力传递至支撑件130，从而通过支撑件130将撞击力进一步分散，减少传递至柔性屏的撞击力，以保护柔性屏。
由于在折叠式显示设备跌落且为转轴机构首先受到撞击时，止挡面131阻止转轴机构继续向靠近柔性屏方向移动，且通过支撑件130对于撞击力进行分散吸收，减小可能传递至柔性屏的撞击力，因此可在一定程度上解决转轴机构导致的柔性屏损伤问题。
此外，本实施例提供的折叠组件除应用在折叠式显示设备中，还可应用在冰箱、柜子、门等具有可折叠结构的家具家电中。当折叠组件应用在冰箱中，则一个支撑件130与冰箱的箱体连接，另一个支撑件130与冰箱门连接，折叠组件能够提高冰箱门与箱体的连接处的抗撞击能力。当折叠组件应用在柜子中，则一个支撑件130与柜子的柜体连接，另一个支撑件130与柜子的柜门连接，折叠组件能够提高柜体与柜门的连接处的抗撞击能力。当折叠组件应用在门中，则一个支撑件130与门框连接，另一个支撑件130与门体连接，折叠组件能够提高门体与门框的连接处的抗撞击能力。
在下文中，均以折叠组件应用在折叠式显示设备为例进行进一步描述。
如图2至图4所示，在一个具体实施方式中，支撑件130包括支撑块132，支撑块132的一个侧面为止挡面131。具体地，在折叠组件处于折叠状态时，支撑块132朝向凸块120的一侧的侧面即为止挡面131。
如图4所示，支撑件130还包括支撑基体134，支撑基体134连接在转轴基体110的宽度方向的一侧。示例性地，两个支撑件130中，一个支撑件130的支撑基体134连接在转轴基体110的左侧，另一个支撑件130的支撑基体134连接在转轴基体110 的右侧。支撑基体134与转轴基体110可转动地连接，支撑块132设置在支撑基体134上靠近转轴基体110的一侧，在一种可行设置方式中，支撑块132与支撑基体134可为一体成型制造工艺制备而成的一体结构。当然，在其他设置方式中，支撑块132可与支撑基体134为分体结构，并可通过螺栓连接、粘接等连接方式固定连接。
如图4所示，在一种可行的设置方式中，止挡面131为弧形面，请继续参阅图4，凸块120的前侧面也可设置为弧形面，如此设置可增加凸块120与止挡面131的接触面积。可选地，止挡面131向支撑基体134方向延伸，止挡面131最终与支撑件130衔接。如此设置，支撑块132与支撑基体134之间的过渡面也为弧形面，也即支撑块132与支撑基体134之间为弧形过渡，在凸块120撞击支撑块132时，可避免支撑块132与支撑基体134之间形成应力集中区。
转轴基体110的前侧面为承托面，用于承托待支撑体，当将折叠组件应用于折叠式显示设备时，待支撑体即为柔性屏。也即是说，在折叠式显示设备中，柔性屏与转轴基体110的承托面在转轴基体110的厚度方向上相对设置。转轴基体110的承托面可直接与柔性屏接触，或者，在转轴基体110的承托面安装有其他构件以使得承托面对于柔性屏起到间接支撑作用。示例性地，转轴机构还包括铰链结构，支撑件130分别通过铰链结构与转轴基体110可转动地连接。铰链结构安装于转轴基体110的承托面。
如图4所示，在一些实现方式中，凸块120设置于转轴基体110的承托面，且凸块120向前凸出设置。在该种设置方式中，凸块120与转轴基体110的轴线之间的距离相对更近，或者，凸块120位于转轴基体110的轴线所在位置的前侧。在转轴基体110受到撞击时，其靠近于轴线所在位置受到较大撞击力的可能性更大。而在转轴靠近于轴线所在位置受到撞击时，由于凸块120位于靠近于转轴基体110轴线或者在轴线前侧的位置，因此撞击力传递到凸块120的速度更快，止挡面131接收的撞击力更大，因此通过止挡面131对于凸块120进行止挡能够更为有效地防止转轴机构向前侧移动。
如图5和图6所示，在折叠状态，止挡面131位于凸块120的前侧，且止挡面131与凸块120在转轴基体110的厚度方向上间隔相对设置。在支撑组件从折叠状态向展开状态转化时，随着支撑件130的转动，止挡面131逐渐从凸块120的前侧移开。如图7和图8所示，在展开状态，止挡面131位于凸块120的左侧或右侧。具体地，若止挡面131设置在左侧的支撑件130上，则展开状态时止挡面131位于凸块120的左侧。若止挡面131设置在右侧的支撑件130上，则展开状态时止挡面131位于凸块120的右侧。
如图9和图10所示，在一些实现方式中，转轴机构还包括装饰件140，装饰件140安装在转轴基体110的外侧。装饰件140能够提高应用有折叠组件的设备的美观度。可选地，装饰件140与转轴基体110为不同材料制成。具体地，装饰件140至少包覆在转轴基体110的后侧。示例性地，装饰件140可仅位于转轴基体110的后侧。或者，如图6所示，装饰件140将转轴基体110的左侧、后侧和右侧均包覆在内。该种设置方式可减少甚至避免转轴基体110漏出到应用有折叠组件的设备的外侧。
在该种设置方式中，由于装饰件140安装在转轴基体110的外侧，因此可利用装 饰件140提高转轴机构的美观度，而转轴基体110则可采用强度更强、刚度更大的材料制成，而无需考虑其美观度。示例性地，转轴基体110采用高强钢制造，装饰件140采用铝合金材料制造。值得说明的是，高强钢是相对碳素结构钢而言，一般是以Q235(碳钢)为界的，通常把低合金结构钢称为高强钢，即强度在Q295以上的结构钢为高强钢。采用高强钢制造转轴基体110，使得转轴基体110的刚度更高，抗摔性能更好。凸块120可选用与转轴基体110相同的材质制造。采用铝合金材料制造装饰件140，便于实现外观造型，提高应用有折叠组件的设备的美观度。
装饰件140与支撑件130之间可为固定连接，也可为可拆卸连接。示例性地，装饰件140与支撑件130之间可通过螺栓连接。或者，装饰件140与支撑件130之间也可为粘接、卡合连接、焊接等方式连接。
如图10所示，在一些实现方式中，装饰件140具有容置腔141，转轴基体110的至少部分结构位于容置腔141内，且凸块120的至少部分结构位于容置腔141外。在该种设置方式中，通过在装饰件140的内部设置容置腔141，使得装饰件140对于转轴基体110的包覆范围相对更大，且使得装饰件140与转轴基体110的整体结构的厚度相对更小。
示例性地，装饰件140在前侧面设置有容置腔141，且容置腔141的开口位于容置腔141的前侧。在安装的过程中，将转轴基体110从前向后放置到容置腔141内，使得转轴基体110完全位于容置腔141内，而凸块120伸出于容置腔141的开口。
在一种可选实施方式中，转轴基体110可为板状结构，凸块120安装在板状结构的前侧。或者，如图10和图11所示，在另一种可选实施方式中，转轴基体110包括主体111和连接体112，连接体112设置在主体111沿长度方向的端部，凸块120设置于连接体112。举例来说，连接体112的数量为一个，且设置在主体111沿长度方向的其中一端，在连接体112上可仅设置一个凸块120，也可间隔设置有两个凸块120，两个凸块120沿连接体112的宽度方向间隔设置。在另一个示例中，连接体112的数量为两个，两个连接体112分别设置在主体111的两端，两个连接体112均设置有凸块120。两个连接体112上设置的凸块120的数量可以相同也可以不同，例如一个连接体112上设置有一个凸块120，另一个连接体112上设置有两个凸块120；或者每个连接体112上都设置有一个凸块120，也即转轴基体110上的凸块120的总数为两个；或者每个连接体112上都设置有两个凸块120，也即转轴基体110上的凸块120的总数为四个。
在图10和图11中，主体111沿长度方向的两端分别设置有连接体112，两个连接体112上分别设置有一个凸块120，连接体112的厚度大于主体111的厚度。由于凸块120连接在连接体112上，而连接体112的相对厚度更厚，因此在凸块120设置处，转轴基体110的结构刚性更强，抗撞击力更强。
在图10中，主体111为条形板状结构，主体111的上下两端分别设置有连接体112，在两个连接体112上分别设置有凸块120。连接体112在宽度方向上的长度小于主体111在宽度方向上的长度，或者说，连接体112在左右方向上的长度小于主体111在左右方向上的长度。凸块120在宽度方向上的长度小于连接体112在宽度方向上的长度，或者说，凸块120在左右方向上的长度小于连接体112在左右方向上的长度。 在图11中，主体111的上下两端分别设置有连接体112，连接体112的承托面向前凸出设置有凸块120。凸块120的前侧面所处水平面位于主体111的前侧面所处水平面的上方，连接体112的后侧面所处水平面位于主体111的后侧面所处水平面的下方。
如图12和图13所示，在一些实现方式中，装饰件140沿转轴基体110的长度方向的端部设置有托槽142，连接体112被限位于托槽142内，托槽142对于连接体112起到一定的限位作用。凸块120沿转轴基体110的厚度方向凸出至托槽142外侧，也即是说，凸块120的前侧面位于托槽142的外侧。例如，凸块120沿转轴基体110的厚度方向凸出至托槽142的外侧。在该种设置方式中，将厚度相对较厚的连接体112放置在托槽142内，可使得装饰件140与转轴基体110的整体结构的厚度相对较小，便于应用于厚度相对较小的折叠式显示设备中，并且，使得装饰件140与转轴基体110的整体结构的长度也相对较小。示例性地，在图13中，在装饰件140的前后两端分别设置有一个托槽142，容置腔141位于两个托槽142之间。
在一种具体实现方式中，装饰件140可仅设置有容置腔141而不设置有托槽142，也可仅设置有托槽142而不设置有容置腔141。可选地，如图13所示，装饰件140同时设置有容置腔141和托槽142。装饰件140设置有隔板143，隔板143将托槽142与容置腔141分隔开。如图13所示，当托槽142的数量为两个时，隔板143的数量为两个。在转轴基体110与装饰件140装配过程中，主体111位于两个隔板143之间，隔板143对于主体111沿长度方向的两端具有承托作用，连接体112伸入托槽142后，两个连接体112分别位于两个隔板143的外侧，隔板143对于连接体112起到长度方向的限位作用。图13中示出的具有两个托槽142的装饰件适配于具有两个连接体112的转轴基体110(转轴基体110如图11所示)。
图14示出一种支撑件与转轴机构在折叠状态时的相对位置关系，垂直于纸面方向即为转轴基体110的长度方向，在图14中仅展示了转轴基体110的下端设置的凸块120与支撑件130中止挡面131的相对位置关系。如图14所示，在本申请的一个实施例中，两个支撑件130均设置有两个止挡面131，转轴基体110沿长度方向的两端分别设置有一个凸块120，也即转轴基体110上共设置有两个凸块120，图14中示出的是位于转轴基体110的下端设置的凸块120。在折叠状态，位于转轴基体110的下端的凸块120的前侧面的左部区域与左侧的支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置，该凸块120的前侧面的右部区域与右侧的支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置。位于转轴基体110的上端的凸块120的前侧面的左部区域与左侧的支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置，该凸块120的前侧面的右部区域与右侧的支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置。示例性地，两个支撑件130的结构相同，且相对于转轴基体110对称设置。两个支撑件130的上端和下端均设置有一个止挡面131，也即每个支撑件130上均设置有两个止挡面131，而两个支撑件130上止挡面131的数量和为四。在转轴基体110的上下两端均设置有一个凸块120，也即是说，两个支撑件130的上端的止挡面131均与转轴基体110上端的同一个凸块120间隔且相对设置，两个支撑件130的下端的止挡面131均与转轴基体110下端的同一个凸块120在转轴基体110的厚度方向上间隔且相对设置。由于一个凸块120要与两个 止挡面131相对，因此凸块120的宽度相对更长。在转轴机构受到撞击后，一个凸块120能够与两个止挡面131接触，以分别通过两个止挡面131将撞击力传递至两个支撑件130。在一种实施方式中，两个支撑件130的上下两端均设置有支撑块132，止挡面131形成于支撑块132。
图15示出另一种支撑件与转轴机构在折叠状态时的相对位置关系，垂直于纸面方向即为转轴基体110的长度方向，在图15中仅展示了转轴基体110的下端设置的凸块120与支撑件130中止挡面131的相对位置关系。如图15所示，在另一个实施例中，两个支撑件130分别设置有一个止挡面131，转轴基体110的两端分别设置有一个凸块120，也即是说，转轴基体110上设置有两个凸块120，而两个支撑件130上共设置有两个止挡面131。具体地，在一个支撑件130沿转轴基体110的长度方向的一端设置有一个止挡面131，而在另一个支撑件130沿转轴基体110的长度方向上的另一端设置有一个止挡面131。在折叠状态，一个凸块120与一个支撑件130的止挡面131间隔相对设置，另一个凸块120与另一个支撑件130的止挡面131间隔相对设置。示例性地，以图15中示出的一端为下端，左侧的支撑件130的下端未设置有止挡面131，右侧的支撑件130的下端设置有止挡面131。由于一个支撑件130仅设置一个止挡面131，因此左侧的支撑件130的上端设置有止挡面131，而右侧的支撑件130的上端未设置有止挡面131。在转轴基体110的上端的左侧设置有凸块120，下端的右侧设置有凸块120。如此设置，在转轴机构的上端受到撞击时，其通过左侧的支撑件130实现止挡操作，并通过左侧的支撑件130分散撞击力。在转轴机构的下端受到撞击时，其通过右侧的支撑件130实现止挡操作，并通过右侧的支撑件130分散撞击力。在该种设置方式中，由于在转轴基体110的上下两端的凸块120仅用于与其中一个支撑件130上的止挡面131相对，因此凸块120在宽度相对更小，也即使得转轴机构的整体重量更小。
图16示出一种支撑件与转轴机构在折叠状态时的相对位置关系，垂直于纸面方向即为转轴基体110的长度方向，在图16中仅展示了转轴基体110的下端设置的凸块120与支撑件130中止挡面131的相对位置关系。如图16所示，在又一个实施例中，转轴基体110沿长度方向的至少一端设置有两个凸块120，两个凸块120在转轴基体110的宽度方向间隔设置。也即是说，可仅在转轴基体110沿长度方向的一端设置有两个凸块120，而在转轴基体110沿长度方向的另一端，可仅设置一个凸块120，也可设置有两个沿转轴基体110宽度方向间隔设置的凸块120，或者，也可不设置有凸块120。在图16中，转轴基体110的两端均沿宽度方向间隔设置有两个凸块120，两个支撑件130均在转轴基体110的长度方向上与凸块120对应的端部设置有止挡面131。在折叠状态，位于转轴基体110同一端的两个凸块120中，一个凸块120与一个支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置，另一个凸块120与另一个支撑件130的止挡面131在转轴基体110的厚度方向上间隔相对设置。在该种设置方式中，可根据支撑件130自身的结构设置需求选择止挡面131的设置位置，并根据止挡面131的设置位置布设与该止挡面131配合的凸块120在转轴基体110上的位置。
图17示出一种支撑件与转轴机构在折叠状态时的相对位置关系，垂直于纸面方向 即为转轴基体110的长度方向，在图17中仅展示了转轴基体110的下端设置的凸块120与支撑件130中止挡面131的相对位置关系。如图17所示，在其他实施例中，凸块120设置于转轴基体110沿宽度方向的侧面且沿宽度方向延伸，例如可将凸块120设置在转轴基体110的左侧面和/或右侧面，支撑件130对应于凸块120设置有凹槽133，凹槽133的一侧内壁构成止挡面131。在折叠状态，凸块120位于凹槽133内且与止挡面131在转轴基体110的厚度方向上间隔相对设置。在该种设置方式中，由于凸块120设置在转轴基体110的沿宽度方向的侧面，因此凸块120的设置不会增加转轴机构的厚度，使得转轴机构的厚度更小。示例性地，在图17中，转轴基体110的左侧面的端部和右侧面的端部均设置有凸块120，左侧面的凸块120向左延伸设置，右侧面的凸块120向右延伸设置。在左侧的支撑件130上设置有开口朝右的凹槽133，在右侧的支撑件130上设置有开口朝左的卡槽。图17所示状态为折叠状态，在折叠状态时，左侧的凸块120位于左侧的支撑件130的凹槽133中，右侧的凸块120位于右侧的支撑件130的凹槽133中。
在一些实现方式中，止挡面131和/或凸块120设置有缓冲结构，在折叠状态，缓冲结构位于止挡面131与凸块120之间。通过上述设置方式，利用缓冲结构可对于凸块120传递向止挡面131的撞击力进行一定程度的缓冲，减小设置有止挡面131的支撑件130受到的撞击力，提高折叠组件的抗撞击能力。缓冲结构可通过自身弹性形变、溃缩变形等特性进一步吸收撞击力，以减小由转轴机构向支撑件130传递的撞击力。
如图18所示，在一种具体实现方式中，缓冲结构包括柔性缓冲垫151。柔性缓冲垫151通过其自身柔性特性，在凸块120向止挡面131移动过程中，柔性缓冲垫151在凸块120与止挡面131的挤压下形变，从而吸收部分撞击力。在图18中，柔性缓冲垫151设置在凸块120的前侧面，在其他可行实施方式中，柔性缓冲垫151可设置在止挡面131。柔性缓冲垫151与凸块120或止挡面131之间的连接方式可为粘接。柔性缓冲垫151可为海绵、硅胶、橡胶等材料制成的片状结构。
在另一种可行实施方式中，如图19所示，缓冲结构安装于凸块120，缓冲结构包括缓冲板152和弹性体153，缓冲板152与凸块120在转轴基体110的厚度方向上间隔相对设置，弹性体153位于缓冲板152与凸块120之间，且弹性体153分别与缓冲板152与凸块120连接，在折叠状态，缓冲板152与止挡面131在转轴基体110的厚度方向上间隔相对设置。通过上述设置方式，在凸块120向止挡面131方向移动过程中，缓冲板152首先与止挡面131接触，缓冲板152的设置可增加与止挡面131之间的接触面积，弹性体153可压缩变形以吸收部分撞击力。且在撞击结束后，弹性体153可通过自身弹性推动转轴基体110向远离柔性屏方向移动，以便于转轴基体110复位。在图19中，弹性体153具体为弹簧，在缓冲板152与凸块120之间设置有多个弹簧。弹性体153还可为橡胶柱、弹片等其他具有弹性的结构。
本实施例还提供了一种折叠式显示设备，包括：柔性屏和如上述任意一个实施例提供的折叠组件，柔性屏铺设于折叠组件中的两个支撑件130，并覆盖在转轴基体110的承托面。可选地，凸块120可位于柔性屏在转轴基体110的长度方向上的两侧，或者说，至少一个凸块120位于柔性屏在转轴基体110的长度方向的一侧，至少一个凸块120位于柔性屏在转轴基体110的长度方向上的另一侧。如此设置，凸块120与柔 性屏在前后方向上并不相对，或者说是交错分布。在转轴机构受到冲击时，凸块120向前移动后并不会挤压到柔性屏。
本实施例提供的折叠式显示设备由于具有上述折叠组件，因此在折叠式显示设备处于折叠状态跌落时，若转轴机构首先受到撞击时，折叠机构中的止挡面131阻止转轴机构继续向靠近柔性屏方向移动，且通过支撑件130对于撞击力进行分散吸收，减小可能传递至柔性屏的撞击力，因此可在一定程度上解决转轴机构导致的柔性屏损伤问题。
本实施例提供的折叠式显示设备包括但不限于手机、平板电脑、电纸书、智能手表等具有柔性显示屏且可折叠的电子设备。
当折叠式显示设备为手机时，两个支撑件130可分别为手机的两侧壳体，壳体包括中框，支撑件具体可为壳体中的中框。或者，在另一种设置方式中，支撑件130独立于壳体，两个支撑件130可分别与手机中的两个中框一一对应连接。
最后应说明的是：以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (15)

  1. 一种折叠组件，其特征在于，包括：转轴机构和连接机构，
    所述转轴机构包括凸块和转轴基体，所述凸块设置在所述转轴基体沿长度方向的端部；
    所述连接机构包括两个支撑件，两个所述支撑件分别连接于所述转轴基体沿宽度方向的两侧，两个所述支撑件分别能够相对所述转轴基体转动，以使所述折叠组件在展开状态和折叠状态之间切换；
    所述支撑件靠近所述转轴基体的一侧设置有止挡面，在所述折叠状态，所述凸块与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
  2. 如权利要求1所述的折叠组件，其特征在于，所述支撑件包括支撑基体和支撑块，所述支撑基体连接于所述转轴基体沿宽度方向的一侧，且所述支撑基体能够相对所述转轴基体转动；所述支撑块设置于所述支撑基体靠近所述转轴基体的一侧，所述支撑块的一侧面为所述止挡面。
  3. 如权利要求1所述的折叠组件，其特征在于，所述转轴基体包括承托面，所述承托面用于承托待支撑体，所述凸块设置于所述转轴基体的所述承托面。
  4. 如权利要求3所述的折叠组件，其特征在于，所述转轴基体于长度方向上的两端分别设置有一个所述凸块，各所述支撑件于长度方向上的两端均设置有所述止挡面，在所述折叠状态，每个所述凸块均与两个所述支撑件的止挡面在所述转轴基体的厚度方向上间隔相对设置。
  5. 如权利要求3所述的折叠组件，其特征在于，所述转轴基体沿长度方向的两端分别设置有一个所述凸块，两个所述支撑件中，一者在所述转轴基体的长度方向的一端设置有一个所述止挡面，另一者在所述转轴基体的长度方向的另一端设置有一个所述止挡面；在所述折叠状态，一个所述凸块与一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置，另一个所述凸块与另一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
  6. 如权利要求3所述的折叠组件，其特征在于，所述转轴基体沿长度方向的至少一端设置有两个所述凸块，两个所述凸块沿所述转轴基体的宽度方向间隔设置，两个所述支撑件均在所述转轴基体的长度方向上与所述凸块对应的端部设置有所述止挡面；在所述折叠状态，一个所述凸块与一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置，另一个所述凸块与另一个所述支撑件的所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
  7. 如权利要求1所述的折叠组件，其特征在于，所述凸块设置于所述转轴基体沿宽度方向的侧面，所述支撑件设置有凹槽，所述凹槽的一侧内壁构成所述止挡面；在所述折叠状态，所述凸块位于所述凹槽内且与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
  8. 如权利要求1-7任一项所述的折叠组件，其特征在于，所述转轴机构还包括装饰件，所述装饰件安装在所述转轴基体的外侧。
  9. 如权利要求8所述的折叠组件，其特征在于，所述装饰件具有容置腔，所述转轴基体的至少部分结构位于所述容置腔内，且所述凸块的至少部分结构位于所述容置腔外。
  10. 如权利要求8所述的折叠组件，其特征在于，所述转轴基体包括主体和连接体，所述主体沿长度方向的端部设置有所述连接体，所述凸块设置于所述连接体，所述连接体的厚度大于所述主体的厚度。
  11. 如权利要求10所述的折叠组件，其特征在于，所述装饰件沿在所述转轴基体的长度方向的端部设置有托槽，所述连接体限位于所述托槽内，所述凸块沿所述转轴基体的厚度方向凸出于所述托槽外。
  12. 如权利要求1-7任一项所述的折叠组件，其特征在于，所述止挡面和/或所述凸块设置有缓冲结构，在所述折叠状态，所述缓冲结构位于所述止挡面与所述凸块之间。
  13. 如权利要求12所述的折叠组件，其特征在于，所述缓冲结构包括柔性缓冲垫。
  14. 如权利要求12所述的折叠组件，其特征在于，所述缓冲结构安装于所述凸块，所述缓冲结构包括缓冲板和弹性体，所述缓冲板与所述凸块在所述转轴基体的厚度方向上间隔相对设置，所述弹性体位于所述缓冲板与所述凸块之间，且所述弹性体分别与所述缓冲板与所述凸块连接，在所述折叠状态，所述缓冲板与所述止挡面在所述转轴基体的厚度方向上间隔相对设置。
  15. 一种折叠式显示设备，其特征在于，包括柔性屏和如权利要求1-14任意一项所述的折叠组件，所述柔性屏铺设于所述折叠组件中的两个支撑件，且覆盖于所述转轴基体的承托面。
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