WO2020011280A1 - Appareil à pivot à double arbre d'un ensemble cadre pour stabilisateur, ensemble cadre et stabilisateur - Google Patents

Appareil à pivot à double arbre d'un ensemble cadre pour stabilisateur, ensemble cadre et stabilisateur Download PDF

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Publication number
WO2020011280A1
WO2020011280A1 PCT/CN2019/104154 CN2019104154W WO2020011280A1 WO 2020011280 A1 WO2020011280 A1 WO 2020011280A1 CN 2019104154 W CN2019104154 W CN 2019104154W WO 2020011280 A1 WO2020011280 A1 WO 2020011280A1
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WO
WIPO (PCT)
Prior art keywords
pivot
component
pivoting
pivoting device
biaxial
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/CN2019/104154
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English (en)
Chinese (zh)
Inventor
廖易仑
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.)
Guilin Zhishen Information Technology Co Ltd
Original Assignee
Guilin Zhishen Information Technology Co Ltd
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Filing date
Publication date
Application filed by Guilin Zhishen Information Technology Co Ltd filed Critical Guilin Zhishen Information Technology Co Ltd
Publication of WO2020011280A1 publication Critical patent/WO2020011280A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand

Definitions

  • the invention relates to the technical field of stabilizers, in particular to a biaxial pivoting device of a frame assembly for stabilizers. Further, the invention also relates to a frame assembly to which the dual-axis pivoting device is applied and a stabilizer with the frame assembly.
  • the existing handheld stabilizer generally comprises a gimbal capable of fixing a photographing device and a frame connected to the gimbal at one end for supporting the gimbal, wherein the frame is generally an upright rod.
  • the structure can be held by the photographer, and it is used to support the shooting department when shooting.
  • a rack with an elongated rod-shaped structure there are the following problems:
  • the stabilizer with a shooting device has a large tilt angle, which can easily cause wrist discomfort.
  • the wrist will quickly feel muscle fatigue, which is prone to shake and affect the shooting effect. People who have been shooting for a long time with a large tilt angle can easily damage their wrist joints and muscles.
  • the present invention aims to provide a biaxial pivoting device, a frame assembly and a stabilizer capable of at least partially solving the above-mentioned disadvantages of the prior art frame assembly for a stabilizer.
  • a biaxial pivoting device of a frame assembly for a stabilizer which is used to pivotally connect a first component and a second component of the frame component.
  • the dual-axis pivoting device includes: a first rotating shaft fixedly connected to the first component; a pivot base, and one end of the pivot base is rotatably supported on the first rotating shaft to Pivoting relative to the first component about a first rotation axis; a pivot body fixedly connected to the second component, wherein the pivot body is pivotably supported on the pivot base about a second rotation axis The opposite end, wherein the second rotation axis is orthogonal to the first rotation axis.
  • the design of the existing stabilizer frame is fundamentally changed, and the existing single-strand frame is modified. It is a rack assembly composed of a plurality of parts extending in different operating attitudes. Therefore, by providing the dual-axis pivoting device according to the present invention, it is possible to provide a high-quality stabilizer with excellent design characteristics and various operating attitudes, which greatly improves the ergonomic friendliness and user experience.
  • the pivot base includes a first accommodating portion located at one end thereof for accommodating the first rotating shaft, and the first accommodating portion is provided therein for rotatably supporting the first accommodating portion.
  • the pivot seat is provided with a receiving part for the first and second pivot shafts to be inserted, thereby allowing the first pivot shaft and the pivot body to be accommodated in a concealed manner, thereby preventing the biaxial pivoting device from being exposed.
  • Outer moving parts further improve the aesthetics and texture of the stabilizer.
  • the first component is a frame of a frame assembly, and the frame is pivotably connected about the first rotation axis via a connection plate fixedly connected to the first rotation shaft. To the pivot seat.
  • the connection between the biaxial pivoting device and the frame assembly of the stabilizer is realized in a simple and reliable manner.
  • a first component limiting mechanism configured to limit a pivot angle range of the pivot base relative to the first component about the first rotation axis, and includes: setting A limiting groove in the counterbore that extends in the circumferential direction of the first rotary shaft on the pivot seat; a stopper fixedly connected to an end of the first rotary shaft, the stopper The stopper is provided with a stopper protrusion extending into the limit groove.
  • a first component locking mechanism configured to lock the pivot base at a predetermined angular position with respect to the first component, and includes: setting around the first rotation axis A clamping block that can move between a clamping position and a release position, when the clamping block is in the clamping position, the clamping block engages via its friction with the first rotating shaft and / Or a form fit preventing rotation of the pivot seat relative to the first component about the first axis of rotation; a threaded member configured to drive the clamping block in the clamping position via its own rotation And release position.
  • the second component is a holding rod with a connecting ring
  • the pivot body is a ball joint or a rotating shaft provided in the connecting ring and connected to the connecting ring, wherein the The connecting ring and the pivoting body are sandwiched in the second accommodating portion so that the holding rod is pivotable about the second rotation axis with respect to the pivoting seat.
  • a second component limiting mechanism configured to limit a pivot angle range of the second component about the second rotation axis with respect to the pivot base, including: A limiting groove defined by the pivot body or the connecting ring, the limiting groove is configured to follow the second component to rotate and limit the pivot angle range of the second component; a fixed setting At the stopper of the pivot seat, the stopper extends into the limiting groove to prevent the second component from rotating beyond the pivot angle range via the stopper.
  • the range of the pivot angle of the second component relative to the pivot seat is defined in a simple and reliable manner.
  • the pivoting body is a ball joint fixedly connected to the second component via a plurality of fasteners, wherein the limiting groove is fastened by the outer periphery of the ball joint and two of them.
  • the support pin is inserted between the pair of connecting arms and is used as the stopper between the pair of connecting arms, wherein the support pin is configured to prevent the second component from exceeding The rotation of the pivot angle range is described. Therefore, the range of the pivot angle of the second component relative to the pivot seat is defined in a more stable and reliable manner.
  • two adjacent fasteners in the plurality of fasteners are spaced at the same angle along the outer periphery of the ball joint, and two fasteners are used for the ball joint
  • the outer periphery cooperates to enclose the limiting groove to define a pivoting angle range.
  • the pivot body is a shaft with a shoulder on one side, wherein the shaft is fixedly connected to the second component via the shaft shoulder, and the shaft shoulder extends along at least the shaft.
  • the limiting groove is defined on a part of the outer periphery, and at least one connecting arm is provided with a limiting protrusion protruding into the limiting groove as the stopper, and the limiting protrusion prevents the first The two parts rotate beyond the pivot angle range.
  • the range of the pivot angle of the second component relative to the pivot seat is defined in a simple and reliable manner.
  • a second component locking mechanism configured to lock the second component at a predetermined angular position with respect to the pivot base, and includes a locking member configured to be configured To move between a compressed position and a released position along the direction of the second axis of rotation, wherein the locking member is configured to frictionally engage and / or form-fit the position when in the compressed position
  • the second member is locked at a predetermined angular position with respect to the pivot seat; and an adjusting member configured to drive the locking member between the pressing position and the releasing position via its own rotation.
  • the locking member includes a pair of clamping seats respectively disposed on both sides of the ball joint along the direction of the second rotation axis, wherein the pair of clamping seats have a shape conforming to The spherical concave surface of the outer spherical surface of the ball joint stops the ball joint in a frictionally engaging and / or form-fitting manner when the clamping seat is pressed.
  • At least one of the pair of clamping seats is configured to be expandable when compressed. As a result, the contact area between the ball joint and the clamping seat is increased in a simple and reliable manner.
  • the locking member includes a locking block located on one side of the rotating shaft in the direction of the second rotation axis, and the locking block is adapted to be disposed on an end side of the rotating shaft.
  • the notch at the position stops the rotating shaft in a frictional engagement and / or a form fit when the locking block is pressed. Thereby, the second component is locked at a predetermined angular position relative to the pivot seat in a simple and reliable manner.
  • the adjusting member includes a screw member matched with a screw hole on the pivot seat, and one end of the screw member is fixedly connected with a torque wrench provided outside the pivot seat. The other end of the threaded member is connected to the locking member. Therefore, it is convenient for the user to apply a torsional force to the locking mechanism of the second component, thereby achieving more convenient and faster adjustment and locking.
  • the second component locking mechanism further includes: a guide sleeve fixedly connected to the pivot seat; and a wedge block slidable in the guide sleeve, the wedge block being arranged Between the adjusting member and the locking member, and configured to wedge the locking member at its compressed position in a wedging manner with the locking member when pressed. Therefore, due to the wedge surface cooperating and pressing to prevent rebound, the second component is locked at a predetermined angular position relative to the pivot seat in a more stable and reliable manner.
  • the wedging block is provided with a first concave-convex fitting structure
  • the locking member is provided with a second concave-convex fitting structure that is form-fitted with the first concave-convex fitting structure, thereby making the wedge tight
  • the block is non-rotatable relative to the lock. In this way, an effective wedge surface compression is ensured in a simple and reliable manner to prevent springback.
  • At least one of the pivot body, the locking member, and the wedge block is made at least partially of a material selected from the group consisting of nylon, aluminum alloy, steel, and polyoxymethylene Resin.
  • a material selected from the group consisting of nylon, aluminum alloy, steel, and polyoxymethylene Resin is selected and matched to make the locking mechanism work more stably and reliably.
  • the present invention also provides a frame assembly including a first part and a second part that are pivotably connected via a biaxial pivoting device, wherein the biaxial pivoting device is according to the present invention.
  • Invented biaxial pivoting device is according to the present invention.
  • the present invention also provides a stabilizer comprising a head for fixing a photographing device and adjusting a posture of the photographing device, and a rack assembly for supporting the head.
  • the rack assembly is a rack assembly according to the present invention.
  • Figure 1 shows a perspective view of a stabilizer with a frame assembly according to the invention
  • Figure 2 shows a perspective view of a first embodiment of a biaxial pivoting device according to the present invention
  • Fig. 3 shows a perspective view of a second embodiment of a biaxial pivoting device according to the present invention.
  • Torque wrench 65 Guide sleeve 661, 662. Locking piece
  • a component when a component is called “fixed” to another component, it may be directly on another component or a centered component may exist.
  • a component When a component is considered to be “connected” to another component, it can be directly connected to another component or a centered component may exist at the same time.
  • a component When a component is considered to be “set” on another component, it can be set directly on another component or a centered component may exist at the same time.
  • Certain directional terms of the drawings such as “horizontal”, “vertical”, “front”, “rear”, “inside”, “outside”, “above”, “below” and other directions Sexual terms will be understood to have their normal meaning and refer to those directions that are normally involved when looking at the drawings. Unless otherwise indicated, the directional terms described in this specification basically follow the conventional directions understood by those skilled in the art.
  • ball joint used in the present invention refers to a joint piece capable of at least partially forming a spherical contact with an adapting component, wherein the spherical contact should not be understood as being limited to a spherical contact in the absolute geometrical sense, but should be understood by It is understood as allowing a certain deformation or deviation within the manufacturing tolerance range.
  • spherical should be understood as limited by the sphericity in the absolute geometrical sense, but should be understood to allow for certain deformations or deviations within the scope of manufacturing tolerances.
  • orthogonal refer to the existence of a vertical relationship in solid space, and A orthogonal to B means that A and B have a vertical relationship, regardless of whether A and B are coplanar.
  • the stabilizer 101 includes a gimbal 102 for fixing a shooting device such as a SLR camera, a video camera, a mobile phone, or a VR camera.
  • the pan / tilt head 102 shown therein is a three-axis pan / tilt head, and includes three rotation axis structures, namely a pitch axis structure, a roll axis structure, and a heading axis structure.
  • the pitch axis structure can be used to install the photographing device.
  • a motor in the pitch axis structure can be used to drive the photographing device to perform a pitching motion around the pitch axis.
  • the pitch axis structure is mounted on the roll axis structure.
  • the motor in the roll axis structure drives the photographing device to roll around the roll axis; the roll axis structure is installed on the heading axis structure, and the rotation of the camera of the photographing device around the heading axis is controlled by the motor in the heading axis structure.
  • the stabilizer further includes a rack assembly 100 for supporting the head 102.
  • the rack assembly 100 includes a first rack portion 1 extending along the direction of the heading axis of the pan / tilt head 102.
  • the first rack portion 1 is substantially cylindrical as an example.
  • One end supports the head 102.
  • the first frame portion 1 is made of engineering plastic or metal having a certain strength.
  • the outer peripheral surface of the first frame portion 1 may be frosted to prevent the first frame portion 1 from slipping out of the user's hand.
  • the rack assembly 100 further includes a second part 2 extending laterally from the first rack part 1.
  • the second part may also be referred to as a second rack part of the rack assembly.
  • the second component 2 has one end connected to the first frame portion and the other end remote from the first frame portion 1.
  • the first frame portion 1 and the first frame portion 2 may be configured as a single piece.
  • the first frame portion 1 and the second frame portion 2 are formed by When plastic is made, it is made by molding.
  • the first frame portion 1 and the second frame portion 2 are formed as a single piece, the number of parts and components when manufacturing the stabilizer or the frame assembly can be reduced and the assembly cost can be reduced accordingly.
  • the first frame portion 1 and the second frame portion 2 may also be independent components connected to each other.
  • the cross section of the second frame portion 2 is generally a cylindrical structure with an axis A1 that is rounded at both ends.
  • the second frame portion 2 is axisymmetric about its own axis A2.
  • Tubular structure the width of the second frame portion 2 is substantially the same as the diameter of the first frame portion 1 and is connected to the first frame portion 1 in a manner to allow a substantially smooth transition thereof, which avoids a sudden change in the outer surface of the frame assembly 100. Part or step part, so that the rack assembly 100 has a good grip feeling or product texture.
  • the second frame portion 2 is provided with soft glue for increasing the frictional force with the user's hand surface when the user holds the upper and lower end surfaces of the cylindrical structure.
  • a friction-increasing texture may be formed on the outer peripheral surface of the second frame portion 2.
  • the second frame portion 2 is configured as a battery compartment of the stabilizer 101 for containing a battery.
  • the battery compartment may be designed to allow the user to open it from the outside to perform a battery replacement operation, or it may be designed to prohibit the user from opening and perform a charging operation on the contained battery using only the charging interface.
  • the second frame portion may also be configured for other purposes such as arranging function keys. It can be understood that the second frame portion 2 may be made of the same material as the first frame portion 1, such as but not limited to plastic or metal.
  • the rack assembly 100 further includes a second member 3 that can be disposed at an angle to the second rack portion 2, and the second member can also be used as a holding rod.
  • the holding rod 3 has a connecting end connected to the second frame portion 2 and a holding end remote from the second frame portion 2 and shown in FIG. 1 as being located above the connecting end.
  • the holding rod 3 may be configured as a cylindrical structure extending upward from the connecting end and having a generally circular cross-section.
  • An arc surface conforming to the shape of the user's hand surface is preferably provided at the holding end of the gripping rod 3 to increase the contact surface between the gripping rod 3 and the user's hand surface.
  • At least one operating member of the stabilizer 101 is provided along the outer peripheral surface of the holding end 32, and the operating member may be, for example, a key, a dial, or a finger pressure switch.
  • the operating member of the stabilizer 101 can still be operated with an idle finger, thereby improving the user experience when the user uses it.
  • the holding rod 3 according to the present invention can be rotated around the first rotation of the second frame portion 2 via a biaxial pivoting device 4 provided between the holding rod 3 and the second frame portion 2.
  • the axis A1 is pivotally connected to the end of the second frame portion 2 so as to allow the user to adjust the angle formed by the holding rod 3 with respect to the first frame portion 1, thereby allowing the user to adjust the angle according to the actual application environment.
  • the shape of the rack assembly is flexibly adjusted to ensure that the stabilizer is operated ergonomically.
  • the biaxial pivoting device 4 also allows the gripping lever 3 to be pivoted relative to the second frame portion 2 about the second rotation axis A2 orthogonal to the first rotation axis A1 to adjust the gripping lever 3 and An angle formed between the second frame portions 2.
  • the biaxial pivoting device 4 is used to biaxially pivotally connect the second frame portion 2 as the first component and the holding rod 3 as the second component of the frame assembly 100.
  • the biaxial pivoting device 4 includes: a connection plate 41 fixedly connected to the first component; wherein the connection plate 41 is provided with a plurality of through holes for fasteners to pass through, Fasteners provided in the holes securely connect the connection plate to the first part of the rack assembly 100.
  • the first rotating shaft 42 is fixedly connected to the connecting plate 41.
  • the first rotating shaft 42 is supported on the connecting plate 41 in an integrated manner, for example.
  • the first rotating shaft 42 can also be supported by, for example, bonding or welding.
  • the biaxial pivoting device 4 further includes a pivoting base 43. One end of the pivoting base 43 is rotatably supported on the first rotating shaft 42 so that the first rotating shaft is used as the rotation center axis A1 relative to the first component. Pivot. Further, a pivoting body 44 fixedly connected to the grip lever 3 as a second component is also included, and in this embodiment, the pivoting body is configured as a rotating shaft. The pivoting body 44 is pivotally supported on the other end of the pivoting base 43 about a second rotation axis A2, and the second rotation axis A2 is orthogonal to the first rotation axis A1.
  • the pivot base 43 includes a first accommodating portion 431 at one end for accommodating the first rotating shaft 42, and the accommodating portion is provided with a rotatably supporting the first rotating shaft 42.
  • a bearing portion (not shown); and a second receiving portion 432 at the other end thereof for receiving the pivoting body 44; and a base portion 433, wherein the base portion 433 is provided with a pair of connecting arms at the other end thereof 434, where an internal space 435 is defined between a pair of connecting arms;
  • the first receiving portion is a counterbore located at one end of the base portion 433, and the second receiving portion is located at a pair of connections The internal space 435 between the arms 434.
  • the pivoting base 43 is pivoted about the first rotation axis A1 via the first rotation shaft 42 and the second component 3 is pivoted about the second rotation axis A2 via the pivoting body 44.
  • the pivot becomes possible.
  • one end of the second component ie, the holding rod 3
  • the holding rod 3 is fixedly sleeved on the pivoting body 44 via the connecting ring 31.
  • the clamping action of the connecting ring 31 by the pair of connecting arms 434 can prevent the undesired movement of the connecting ring 31 and the pivoting body 44 in the direction of the second rotation axis A2, thereby allowing the holding rod 3 to be relative to the pivoting seat 43 It can only be pivoted about the second rotation axis A2.
  • the above-mentioned pivot base 43 is integrally formed by, for example, injection molding, and then the first rotary shaft 42 and the pivot body 44 are respectively inserted into the pivot base 43 to realize a dual-axis pivot function.
  • adjustment of the operating attitude of the rack assembly is achieved in a simple and reliable manner.
  • the biaxial pivoting device 4 further includes a device for limiting the second component (ie, the holding rod 3) relative to the As shown in FIG. 2, the second component limiting mechanism of the pivoting angle range of the pivot base 43 includes: a shaft shoulder 51 provided at an end of the pivoting body 44, wherein the The shaft shoulder 51 extends on a part of the outer periphery of the pivot body to define a limiting groove 52.
  • the shoulder 51 is provided with a plurality of threaded holes, so that the threaded holes can be threaded through fasteners such as screws and the corresponding threaded holes provided on the connecting ring 31.
  • the holding rod 3 is fixedly connected to the rotation shaft serving as the pivoting body 44.
  • the limiting groove 52 is formed by the shaft shoulder 51 not extending along the entire periphery of the pivoting body, and the angular range of the center angle corresponding to the limiting groove 52 corresponds to the second component relative to the The pivoting angle range of the pivoting base 43, that is, both side walls of the limiting groove 52 are formed as stop end walls when the pivoting body 44 rotates around the second rotation axis A2.
  • the shoulders can also be formed on the entire periphery of the entire pivoting body 44, and then the desired limiting groove 52 can be made by machining.
  • the limit mechanism of the second component further includes a limit protrusion 53 as a stopper corresponding to the limit groove provided on the pivot seat, wherein the limit protrusion extends into the limit 51 Out of the limiting slot 52.
  • the limiting protrusion 53 is, for example, but not limited to, a cylinder extending and protruding toward the limiting groove 52, so as to prevent the holding rod 3 from exceeding the pivot angle range through the cooperation of the cylinder and the stop end walls at both ends of the limiting groove 52. Therefore, the pivoting angle range of the second component relative to the pivoting base 43 is limited.
  • the holding rod 3 is pivoted with respect to the pivot base 43 within an angle range of about 120 degrees.
  • the holding lever 3 is pivoted with respect to the pivot base 43 within an angular range of about 90 degrees.
  • the dual-axis pivoting device 4 of the present application further includes a device for (Second component)
  • a second component locking mechanism that locks at a predetermined angular position with respect to the pivot base 43 includes a notch 61 provided at an end of the pivoting body 44, wherein the notch 61 can pass through An opening is formed by processing one end of the pivoting body 44.
  • the notch 61 may be integrally formed when the pivoting body 44 is injection-molded; and in the pressing position along the direction of the second rotation axis A2 with respect to the notch 61.
  • the locking block 62 that moves between the release position and the release position is shown in FIG. 2, wherein the lock block 62 is generally frusto-conical and its outer contour is sized to engage the notch when it is in the locked position. 61 forms a frictional engagement and / or form fit, thereby locking the second component 3 relative to the pivot base 43 via a frictional engagement and / or form fit between the locking block 62 and the recess 61 of the pivoting body 44. And the adjusting member 63 configured to cause the locking block 62 at Operation between the release position and the tightened position.
  • the adjusting member is a screw member that cooperates with a screw hole on the pivot base 43, and one end of the screw member is fixedly connected with a torque wrench 64 provided on the outside of the pivot base 43. The other end is connected to the locking block 63.
  • the user drives the adjusting member 63 to rotate via a torque wrench 64 provided on the outside of the pivoting seat 43, and when the adjusting member 63 rotates, the screw fitting between the adjusting member 63 and a thread not shown in the pivoting seat 43
  • the reciprocating linear movement of the adjusting member 63 in the axial direction of the second rotation axis A2 is realized, so that the locking block 62 moves between its locked position and the unscrewed position.
  • the frictional engagement is also provided with a supporting pin 9 connected between the pair of connecting arms 434 to prevent the pair of connecting arms 434 from being flared.
  • the supporting pin 9 can be screwed into the pair for example.
  • the above-mentioned support pin 9 may also be provided on the limiting protrusion 53 of the pivot base 3, which enables the support pin 9 to be directly accommodated in the hollow portion of the inner portion of the connecting ring 31, so that it can be used without the need for another slot It is still possible to avoid interference between the support pin 9 and the holding rod 3 within the pivoting angle range of the holding rod 3.
  • the pivoting body 44 when the pivoting body 44 is inserted and located in the pivoting seat 43, it also includes the pivoting body that is closed from the outside when the biaxial pivoting device is assembled.
  • the hole 10 on the connecting arm 434 and the cover 10 of the second receiving portion are inserted, wherein the cover 10 is, for example, a cap with a clamping leg, wherein the clamping leg is connected to the connecting arm 434 provided on the pivot base 43.
  • the middle slots are engaged with each other, so as to be fixedly connected to the pivot base 43.
  • a seal ring is provided on the cover 10 to improve the sealing performance against the external environment.
  • the biaxial pivoting device 4 further includes a means for limiting the pivot base relative to the first component.
  • a first component limiting mechanism of a range of pivot angles wherein the first component limiting mechanism includes a limiting groove extending in a circumferential direction of the first rotating shaft 42 and disposed in the aforementioned counterbore of the pivot base 43.
  • a stopper 71 fixedly sleeved at an end of the first rotation shaft 42, wherein the stopper 71 is, for example, a collar that is form-fitted with the first rotation shaft 42 and rotates synchronously with the first rotation shaft 42, wherein
  • the stopper 71 has a stopper protrusion 72 extending into the limiting groove.
  • the pivot base 43 in order to keep the pivot base 43 at an angular position adjusted by the user with respect to the first component 2, it further includes a method for setting the first component 2 and the pivot base 43.
  • the angled first component locking mechanism wherein the first component locking mechanism includes: a clamping block 81 provided around the first rotating shaft 42 and capable of moving between a clamping position and a releasing position, As shown in FIG. 2, the clamping block 81 has, for example, a dovetail-like structure with an open end, and is partially provided around the first rotating shaft 42, so as to be able to move between a released position and a clamped position under the action of external force.
  • the clamping block 81 when the clamping block 81 is in the released position, the clamping block 81 is expanded under its own tensioning force so as not to frictionally engage with the first rotating shaft 42, which allows the pivoting base 43 to oppose Due to the free rotation of the first component 2; and when the clamping block 81 is in the clamping position against the tension force of itself under the action of the external force, the clamping block 81 prevents the pivoting via its frictional engagement with the first rotating shaft 42
  • the rotation of the seat 43 relative to the first member 2 about the first rotation axis can set the angular position formed by the first member 2 and the pivot seat 43.
  • the mechanism for applying external force may be, for example, a threaded member 82, wherein the threaded member 82 may cooperate with a threaded hole provided on the pivot base 43, wherein one end of the threaded member 82 is fixedly connected to the pivoting member 82.
  • the knob 83 on the outside of the seat 43 is operated by the user, and the other end of the screw member 82 is abutted against the clamping block 81.
  • an external force can be selectively applied to the clamping block 81 so as to cause it to move between the clamped position and the released position, which ultimately realizes that the pivot base 43 is maintained at the user's adjustment.
  • the biaxial pivoting device 4 is also used to biaxially pivotally connect the second frame portion of the frame assembly 100 as the first component and the holding rod 3 'as the second component.
  • the biaxial pivoting device 4 includes a connecting plate 41 'fixedly connected to the first component.
  • the first rotating shaft 42 ' is fixedly connected to the connecting plate 41'.
  • the first rotating shaft 42 is supported on the connecting plate 41, for example, in an integrally formed manner.
  • the connecting plate 41 ' can be omitted, that is, the first rotating shaft 42' can be directly fixedly connected to the first component.
  • the biaxial pivoting device 4 further includes a pivoting base 43 ', wherein one end of the pivoting base 43' is rotatably supported on the first pivoting shaft 42 'so that the first pivoting axis is a rotation center axis A1 relative to the first A part is pivoted. Further, a pivoting body 44 'fixedly connected to the holding rod 3 as a second component is also included. In this embodiment, the pivoting body is configured as a ball joint 44' as shown in FIG. The ball joint 44 'is pivotally supported at the other end of the pivot base 43 about a second rotation axis A2, and the second rotation axis A2 is orthogonal to the first rotation axis A1.
  • the ball joint 44 ′ may be a complete sphere, or a sphere with a spherical surface, etc., as long as it can form a spherical contact with a corresponding clamping seat (which will be described in detail below).
  • the ball joint 44 ' is made at least partially of a material selected from the group consisting of nylon, aluminum alloy, steel, and polyoxymethylene resin (POM).
  • the pivot base 43 ′ includes a first accommodating portion 431 ′ at one end for accommodating the first rotating shaft 42 ′.
  • a bearing portion (not shown) for rotatably supporting the first rotating shaft 42 '; and a second receiving portion at the other end thereof for receiving the ball joint 44'; and a base portion 433 ', wherein the base portion 433 'A pair of connecting arms 434' is provided at the other end thereof, and an internal space 435 'is defined between the pair of connecting arms.
  • the first receiving portion is a counterbore located at one end of the base portion 433,
  • the second accommodating portion is an internal space 435 ′ located between the pair of connecting arms 434.
  • the pivoting base 43 ′ is pivoted about the first rotation axis A1 via the first rotation shaft 42 ′ and the second component 3 ′ is turned around via the ball joint 44 ′. Pivoting of the two rotation axes A2 becomes possible.
  • one end of the second component ie, the holding rod 3 ′
  • the holding rod 3 ′ is fixedly sleeved on the ball joint 44 via the connection ring 31 ′.
  • the above method is accommodated in an internal space 435 between a pair of connecting arms 434.
  • the clamping action of the pair of connecting arms 434 'on the connecting ring 31' can prevent undesired movement of the connecting ring 31 'and the ball joint 44' in the direction of the second axis of rotation A2, thereby allowing the holding rod 3 'to be relatively
  • the pivot seat 43 ' can only pivot about the second rotation axis A2.
  • the above-mentioned pivot base 43 ′ is integrally formed by, for example, injection molding, and then the first rotation shaft 42 ′ and the ball joint 44 ′ are respectively inserted into the pivot base 43 ′ to realize a dual-axis pivot function. .
  • adjustment of the operating attitude of the rack assembly is achieved in a simple and reliable manner.
  • connection ring 31 ' when assembling the biaxial pivoting device 4, the connection ring 31 'is first inserted into a second accommodation portion between a pair of connection arms. In the internal space 435 ', the ball joint 44' is then placed from one side in the direction of the second rotation axis A2 into the connecting ring 31 'located in the internal space 435'.
  • a plurality of threaded holes are provided on the outer periphery of the ball joint 44 ', preferably, but not limited to, three threaded holes uniformly spaced at an angle of 120 degrees.
  • connection ring 31 ' corresponds to the above-mentioned screw holes (as shown in way 3), so that by passing through the connection ring 31' and the ball joint 44 'such as The fastener of the screw fixedly connects the connecting ring 31 'to the ball joint 44', thereby allowing the gripping lever 3 'to pivot about the second rotation axis A2 via the ball joint 44' relative to the pivot seat 43 '.
  • the biaxial pivoting device 4 further includes a portion for limiting the second component (ie, the holding rod 3') relative to The second component limiting mechanism in the pivot angle range of the pivoting seat 43 ', as shown in FIG. 3, the second component limiting mechanism includes: via the plurality of fasteners and the ball joint 44' A limiting groove defined by the outer periphery.
  • the limiting groove can be defined at 120 degrees in the angle range.
  • three protrusions on the outer periphery of the connecting ring 31 ' can be evenly spaced at an angle of 120 degrees, so that two of the protrusions and the outer periphery of the ball joint can be defined.
  • the limit slot is 120 degrees in the angle range.
  • the second component limiting mechanism further includes a support pin 9 'fixed as a stopper at the opposite end of the pivot base 43', and the support pin 9 'is fixed relative to the pivot base 43'. It is grounded in the limiting groove, so that the holding rod 3 'can be prevented from rotating beyond the pivot angle range through the support pin 9'.
  • pivoting the holding rod 3 'with respect to the pivot base 43' within an angle range of about 120 degrees is only an exemplary angle range. In this embodiment, it is also conceivable that the The grip lever 3 'is pivoted with respect to the pivot seat 43' within an angle range of about 90 degrees.
  • the dual-axis pivoting device 4 of the present application further includes a device for holding the holding lever 3 ′.
  • the second component locking mechanism which is locked at a predetermined angular position relative to the pivot base 43, is shown in FIG.
  • the pair of clamping seats 661 and 662 has a spherical concave surface conforming to the outer spherical surface of the ball joint 44 'to frictionally engage / shape fit when the pair of clamping seats 661 and 662 are compressed.
  • the method of stopping the ball joint 44 ' is described above, and the method of frictional engagement / shape fit has been described above, and will not be repeated here.
  • the second component locking mechanism further includes an adjusting member configured to drive the locking member to move between the pressing position and the releasing position via its own rotation.
  • one of the pair of clamping seats 661 and 662 is configured to be expandable when compressed. Specifically, this can be achieved by having the clamping seat 662 have an unclosed periphery, that is, the clamping seat 662 is provided with an opening. Since the clamping base 662 is expandable, when the ball joint 44 'presses the clamping base 662, the clamping base 662 can be further expanded to accommodate the ball joint 44 with a larger contact area. ', Which can better lock the ball joint 44' to prevent undesired pivoting of the gripping lever 3 'from a predetermined angular position when an external accident occurs.
  • the adjusting member includes a screw member 63 ′ matched with a screw hole on the pivot base 43 ′, and one end of the screw member is fixedly connected with a torque wrench provided outside the pivot base 43 ′. 64 ', while the other end is connected to the lock.
  • the user rotates the threaded member 63 'via a torque wrench 64' provided on the outside of the pivoting seat 43 ', and when the threaded member 63' rotates, the screwing member 63 'rotates with the unillustrated one in the pivoting seat 43'.
  • the screwing of the threaded hole realizes a reciprocating linear movement of the threaded member 63 'in the axial direction of the second rotation axis A2, thereby causing the locking member to move between its compressed position and its released position.
  • the second component locking mechanism shown in FIG. 3 further includes: a guide sleeve 65 connected to the pivot seat 43 ′ via a fastener, and a wedging block 663 slidable in the guide sleeve 65, One end of the wedge block 663 is connected to the threaded member 63 'as the adjusting member, and the other end thereof is pressed against the clamping seat 661 as the locking member in a wedge surface fitting manner.
  • the threaded member 63 ′ presses the wedge block 663
  • the wedge block 663 presses the clamping seat 661.
  • the clamping seat 661 can be wedged in its compressed position without being easily rebounded.
  • the ball joint 44 ' is locked in a frictional engagement / form-fitting manner through the spherical concave surfaces of the clamping seats 661 and 662, thereby realizing the holding rod 3' with respect to The pivot seat 43 'is locked in a predetermined angular position.
  • the clamping base 662 is expandable when compressed, so that the ball joint 44 ′ can be accommodated with a larger contact area, which can better lock the ball joint 44. 'To prevent the grip lever 3' from undesirably pivoting from a predetermined angular position when an external accident occurs.
  • a concave-convex fitting structure 67 composed of a first concave-convex fitting structure and a second concave-convex fitting structure that is shape-matched therewith. 67 is configured so that the wedge block 663 is non-rotatable relative to the clamping seat 661.
  • a concave-convex fitting structure 67 composed of a first concave-convex fitting structure and a second concave-convex fitting structure that is shape-matched therewith. 67 is configured so that the wedge block 663 is non-rotatable relative to the clamping seat 661.
  • the second concave-convex mating structure on the clamping seat 663 is a protruding bar protruding from the inclined surface of the clamping seat 661 that forms a wedge-shaped fit, and the first concave-convex fit on the wedge-shaped block 663
  • the mechanism is a groove provided on the inclined surface of the wedging block 663 and matched with the shape of the convex strip. Therefore, the wedge block 663 and the clamping seat 661 are not rotatable relative to each other, thereby ensuring that the wedge surface fit will not be misaligned or misaligned due to the rotation of the wedge block 663. Thereby, it is ensured that the second component locking mechanism more reliably and reliably realizes locking the second component at a predetermined angular position relative to the pivot seat.
  • At least one of the above ball joint 44 ′, the pair of clamping seats 661 and 662, and the wedge block 663 is at least partially selected from the following group Materials: nylon, aluminum alloy, steel and polyoxymethylene resin (POM). Therefore, through such material selection and matching, the friction coefficient on the contact surface between the ball joint 44 ', the pair of clamping seats 661 and 662, and the wedge block 663 can be increased, thereby making the locking mechanism more stable. Reliable work.
  • a cover 10' for closing from the outside is further included, wherein the seal
  • the cover 10 ′ is, for example, a cover with a clip foot, wherein the clip foot is engaged with a slot provided in the connecting arm 434 ′ of the pivot base 43 ′, so as to be fixedly connected to the pivot base 43 ′.
  • a seal ring is provided on the cover 10 'to improve the sealing performance against the external environment.
  • the biaxial pivoting device 4 further includes a means for limiting the pivot base relative to the first component.
  • a first component limit mechanism of a range of pivot angles wherein the first component limit mechanism includes: a limit extending along a circumferential direction of the first rotation axis 42 'disposed in the counterbore of the pivot base 43'.
  • the pivoting base 43 ' is pivoted with respect to the first member within an angular range of 180 degrees.
  • the pivoting base 43 ' is pivoted with respect to the first member within an angular range of 120 degrees.
  • the pivot base 43 ′ in order to keep the pivot base 43 ′ at an angular position adjusted by the user relative to the first component, it further includes a method for setting the first component and the pivot base 43 ′.
  • the angled first component locking mechanism wherein the first component locking mechanism includes: a clamping block 81 provided around the first rotating shaft 42 'and capable of operating between a clamping position and a releasing position As shown in FIG. 3, the clamping block 81 ′ is, for example, a dovetail-shaped structure with one end open, and is partially disposed around the first rotating shaft 42 ′, so that it can be released and clamped under the action of external force. Between actions.
  • the clamping block 81 ′ when the clamping block 81 ′ is in the release position, the clamping block 81 ′ is expanded under its own tension so as not to frictionally engage with the first rotating shaft 42 ′, which allows pivoting.
  • an angular position formed by the first component and the pivot base 43 ′ can be set.
  • the mechanism for applying external force may be, for example, a threaded member 82 ′, wherein the threaded member 82 ′ may cooperate with a threaded hole provided on the pivot base 43 ′, and one end of the threaded member 82 ′ is fixedly connected with A user-operated knob 83 'is provided on the outer side of the pivot base 43', and at the same time, the other end of the screw member 82 abuts against the clamping block 81 '.
  • external force can be selectively applied to the clamping block 81 through the user's operation knob, thereby causing it to move between the clamped position and the released position, which ultimately realizes that the pivot base 43 'is maintained at the user's adjustment.
  • a frame assembly with a biaxial pivoting device according to the present invention and stable operation with the frame assembly will be described below with reference to FIG. 1.
  • the stabilizer according to the present invention modifies an existing straight rod-shaped frame into a multi-segment machine with a dual-axis pivoting device according to the present invention through the description of the above embodiments.
  • This allows the angle of the grip to be pivoted relative to the second frame portion 2 in a pivotable manner about the second rotation axis A2 via the grip rod and allows the grip rod 3 to be changed around the first frame portion 1 relative to the first frame portion 1.
  • a rotation axis A1 can be pivoted to change the angle formed by the holding rod 3 and the first frame portion 1, thereby realizing the change of the operating posture of the stabilizer and the adjustable holding angle during use, which greatly improves the stability.
  • the ergonomics of the device enhances the user experience.
  • the stabilizer when a stabilizer with a multi-segment frame assembly with a dual-axis pivoting device according to the present invention is used for low-level shooting, the stabilizer may first be laid flat so that the first frame portion 1 is spaced approximately parallel. At a certain height on the ground, at this time, the second frame portion 2 is oriented substantially vertically and the holding rod 3 is oriented substantially transversely. At this time, the stabilizer can be held by the user at the grip portion on the gripping lever 3 (that is, the stabilizer is held in a manner that the stabilizer and the overall center of gravity of the photographing device are aligned substantially vertically.
  • the user After determining the proper position of the user's hand grip on the holding lever 3, the user can straighten the arm so that the three lines of the arm, wrist, and the center of gravity of the stabilizer and the shooting device are aligned. In this case, because there is basically no distance between the overall center of gravity of the stabilizer and the shooting device and the arms and wrists, the user can hold the stabilizer 101 for shooting in a labor-saving manner, which greatly improves the ergonomics of the stabilizer. Learning friendliness improves user experience.
  • the gripping lever 3 can be adjusted relative to the second frame part 2 in a pivotable manner about the second rotation axis A2, so as to grip the stabilization with the camera at the most comfortable and labor-saving position for the user. Device, which further enhances the user experience.
  • the pivoting seat and the holding rod may be first relative to the second machine via the dual-axis pivoting device.
  • the frame portion 2 is pivoted at an angle such that the holding lever is pivoted to a position substantially perpendicular to the first frame portion 1.
  • the user is allowed to support the stabilizer by the user's shoulder by holding the first frame portion 1 and placing the second frame portion and the holding rod on the user's shoulder.
  • the operation of the stabilizer of the multi-segment rack assembly with the dual-axis pivoting device according to the present invention in two attitudes of low position shooting and high position shooting is described above, those skilled in the art know that The operations of the above two attitudes are only given as examples, and the stabilizer according to the present invention can also be operated in other attitudes that can be achieved via a dual-axis pivoting device, and is not limited to the two attitudes given in the examples. Species.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne un appareil à pivot à double arbre (4) d'un ensemble cadre (100) pour un stabilisateur (101) qui peut être utilisé pour relier par pivotement une première partie (2) et une seconde partie (3) de l'ensemble cadre (100), et comprend : un premier arbre rotatif (42) relié de manière fixe à la première partie (2); un siège de pivot (43), une extrémité du siège de pivot (43) étant supporté par rotation sur le premier arbre rotatif (42) et pouvant pivoter par rapport à la première partie (2) autour du premier arbre rotatif (42) le long d'un premier axe de rotation (A1); un corps de pivot (44) relié de manière fixe à la seconde partie (3), ledit corps de pivot (44) étant supporté sur l'autre extrémité du siège de pivot (43) et pouvant pivoter autour d'un second axe de rotation (A2), le second axe de rotation (A2) étant orthogonal au premier axe de rotation (A1). L'ensemble cadre (100) pour le stabilisateur (101) se conforme à des facteurs humains et à l'ergonomie et permet diverses orientations de fonctionnement.
PCT/CN2019/104154 2018-07-13 2019-09-03 Appareil à pivot à double arbre d'un ensemble cadre pour stabilisateur, ensemble cadre et stabilisateur Ceased WO2020011280A1 (fr)

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CN201810774496.6A CN108591792B (zh) 2018-07-13 2018-07-13 稳定器用机架组件的双轴枢转装置、机架组件及稳定器
CN201810774496.6 2018-07-13

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CN108591792B (zh) * 2018-07-13 2024-10-29 桂林智神信息技术股份有限公司 稳定器用机架组件的双轴枢转装置、机架组件及稳定器
CN108591793B (zh) * 2018-07-13 2024-04-26 桂林智神信息技术股份有限公司 稳定器用机架组件及稳定器
CN109027643A (zh) * 2018-09-30 2018-12-18 桂林智神信息技术有限公司 一种带旋转臂的7字形手柄

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GB2521865A (en) * 2014-01-07 2015-07-08 Mastortech Ltd Camera stabilisation mounting
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