Locking mechanism, clamping device and support device

Abstract

The utility model discloses a locking mechanism, a clamping device and a support device, and the locking mechanism comprises a connecting piece, a linkage assembly and an operating piece. The connecting piece is mechanically coupled with the to-be-locked piece, the connecting piece can slide in the first direction and the second direction relative to the to-be-locked piece, and the first direction and the second direction are opposite. The linkage assembly is mechanically coupled with one of the connecting piece and the piece to be locked and acts on the other one of the connecting piece and the piece to be locked. The operation piece is connected with the linkage assembly, and the piece to be locked can be in a locking state or an unlocking state under the action of the linkage assembly. In the locking state, the connecting piece and the piece to be locked are locked by the linkage assembly. And in the unlocking state, the connecting piece and the to-be-locked piece are unlocked by the linkage assembly. In the process that the unlocking state is converted into the locking state, the operation piece does not shift relative to the first direction, and the operation piece can drive the connecting piece or the to-be-locked piece to continuously slide through the linkage assembly till the connecting piece and the to-be-locked piece are locked by the linkage assembly.

Description

Technical Field

[0001] The utility model relates to the field of photographic accessories, in particular to a locking mechanism, a clamping device and a bracket device. Background Art

[0002] The existing clamping device for clamping a display device includes a clamping mechanism and a locking mechanism. The user first clamps the display device through the clamping mechanism and then locks the clamping mechanism through the locking mechanism. Two operations need to be performed, which is troublesome and difficult to operate, and the experience is not good. Summary of the Utility Model

[0003] In view of this, the utility model provides a locking mechanism, a clamping device and a bracket device.

[0004] The locking mechanism proposed in the first aspect of the utility model includes:

[0005] A connecting piece for mechanically coupling with the piece to be locked, and the connecting piece can slide relative to the piece to be locked in a first direction and a second direction to change the relative position between the piece to be locked and the connecting piece, and the first direction and the second direction are opposite directions;

[0006] A linkage assembly mechanically coupled to one of the connecting piece and the piece to be locked and capable of acting on the other of the connecting piece and the piece to be locked; and

[0007] An operating piece connected to the linkage assembly and used to drive the linkage assembly to move, so that in any relative position of the connecting piece and the piece to be locked, the piece to be locked can be in a locked state or an unlocked state under the action of the linkage assembly;

[0008] Wherein, in the locked state, the connecting piece and the piece to be locked are locked by the linkage assembly and cannot change the relative position;

[0009] In the unlocked state, the connecting piece and the piece to be locked are unlocked by the linkage assembly and can change the relative position;

[0010] In the process of changing from the unlocked state to the locked state, the operating piece does not move offset relative to the first direction, and the operating piece can drive the connecting piece or the piece to be locked to continue sliding through the linkage assembly until the connecting piece and the piece to be locked are locked by the linkage assembly.

[0011] The locking mechanism proposed in the second aspect of the utility model includes:

[0012] A connecting member for mechanically coupling with the to-be-locked member, and the connecting member is capable of sliding relative to the to-be-locked member in a first direction and a second direction, so as to change the relative position between the to-be-locked member and the connecting member, where the first direction and the second direction are opposite directions;

[0013] A linkage assembly mechanically coupled to one of the connecting member and the to-be-locked member and capable of acting on the other of the connecting member and the to-be-locked member; and

[0014] An operating member connected to the linkage assembly and used to drive the linkage assembly to move, so that in any of the relative positions of the connecting member and the to-be-locked member, the to-be-locked member can be in a locked state or an unlocked state under the action of the linkage assembly;

[0015] Wherein, in the locked state, the connecting member and the to-be-locked member are locked by the linkage assembly and cannot change the relative position;

[0016] In the unlocked state, the connecting member and the to-be-locked member are unlocked by the linkage assembly and can change the relative position;

[0017] During the process of changing from the unlocked state to the locked state, the operating member can drive the linkage assembly to be in a preset state, so that the connecting member can only slide unidirectionally along the first direction or the second direction relative to the to-be-locked member.

[0018] The clamping device proposed in the third aspect of the present utility model includes:

[0019] A to-be-locked member; and

[0020] The above-mentioned locking mechanism;

[0021] Wherein, the connecting member is connected to the to-be-locked member and is used to cooperate with clamping the workpiece to be clamped, and the connecting member and the to-be-locked member can clamp or release the workpiece to be clamped by changing the relative position.

[0022] The bracket device proposed in the fourth aspect of the present utility model includes:

[0023] A to-be-locked member;

[0024] The above-mentioned locking mechanism, the connecting member is connected to the to-be-locked member and is used to cooperate with clamping the display device, and the connecting member and the to-be-locked member can clamp or release the display device by changing the relative position;

[0025] A support member, one end of the support member is hinged to the connecting member or the member to be locked. The support member has a storage position and an unfolded position. When the support member is in the unfolded position, the support member and the member to be locked form a support structure that can tilt the connecting member on a plane; and

[0026] An adapter assembly, connected to the connecting member, and the adapter assembly is used for detachable connection with the video transmission module;

[0027] Wherein, the display device is communicatively connected to the video transmission module and is used for displaying the image transmitted by the video transmission module.

[0028] As can be seen from the above technical solutions, for the locking mechanism proposed in the first aspect of the present invention, when the user operates the operating member, and the operating member drives the linkage assembly to lock or unlock the member to be locked, the operating member can also drive the connecting member or the member to be locked to continue sliding through the linkage assembly. That is, the user can simultaneously achieve two actions of locking the member to be locked and driving the connecting member or the member to be locked to continue sliding by operating the operating member, which reduces the operation difficulty. Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained as these drawings.

[0030] Figure 1 is a schematic perspective view of a locking mechanism proposed in an embodiment of the present invention;

[0031] Figure 2 is a schematic cross-sectional view of a locking mechanism proposed in an embodiment of the present invention;

[0032] Figure 3 is Figure 2 a schematic structural view of the connecting member, the linkage assembly and the operating member shown in;

[0033] Figure 4 is Figure 2 a schematic structural view of the member to be locked shown in;

[0034] Figure 5 is a schematic partial cross-sectional view of a locking mechanism proposed in an embodiment of the present invention;

[0035] Figure 6 is a schematic structural view of a lock core proposed in an embodiment of the present invention;

[0036] Figure 7It is a schematic diagram of the force on the fitting proposed in an embodiment of the present utility model;

[0037] Figure 8 It is Figure 7 a schematic diagram of the relationship among the forces F, F1, and F2 shown in

[0038] Figure 9 It is a schematic diagram of the structure of the lock core and the fitting proposed in another embodiment of the present utility model;

[0039] Figure 10 It is a schematic diagram of the structure of the lock core and the fitting proposed in another embodiment of the present utility model;

[0040] Figure 11 It is Figure 3 a partial enlarged schematic diagram at position A in

[0041] Figure 12 It is Figure 3 a partial enlarged schematic diagram at position B in

[0042] Figure 13 It is a schematic diagram of the cooperation of the transmission part, the lock core, and the fitting proposed in another embodiment of the present utility model;

[0043] Figure 14 It is a partial sectional view schematic diagram of the locking mechanism proposed in another embodiment of the present utility model;

[0044] Figure 15 It is a partial sectional view schematic diagram of the locking mechanism proposed in another embodiment of the present utility model;

[0045] Figure 16 It is a schematic diagram of the structure of the clamping device, the display device, and the video transmission module proposed in an embodiment of the present utility model. Specific embodiments

[0046] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0047] The existing clamping device for clamping a display device includes a clamping mechanism and a locking mechanism. The user first clamps the display device through the clamping mechanism and then locks the clamping mechanism through the locking mechanism, which requires two operations. The operation is troublesome and has a high operation difficulty, resulting in a poor experience.

[0048] Based on this, as Figure 1 and Figure 2As shown in the figure, an embodiment of the present utility model proposes a locking mechanism 100, which is used to lock and unlock a to-be-locked member 200. The proposed locking mechanism 100 includes a connecting member 10, a linkage assembly 20, and an operating member 30. The connecting member 10 is used to be mechanically coupled with the to-be-locked member 200, and the connecting member 10 can slide relative to the to-be-locked member 200 in a first direction X and a second direction Y to change the relative position between the to-be-locked member 200 and the connecting member 10. The first direction X and the second direction Y are opposite directions. The linkage assembly 20 is mechanically coupled with the connecting member 10 and can act on the to-be-locked member 200. The operating member 30 is connected to the linkage assembly 20 and is used to drive the linkage assembly 20 to move, so that in any relative position between the connecting member 10 and the to-be-locked member 200, the to-be-locked member 200 can be in a locked state or an unlocked state under the action of the linkage assembly 20. Among them, in the locked state, the connecting member 10 and the to-be-locked member 200 are locked by the linkage assembly 20 and cannot change their relative positions. In the unlocked state, the connecting member 10 and the to-be-locked member 200 are unlocked by the linkage assembly 20 and can change their relative positions. During the process of changing from the unlocked state to the locked state, the operating member 30 does not perform an offset movement relative to the first direction X, and the operating member 30 can drive the connecting member 10 to continue sliding through the linkage assembly 20 until the connecting member 10 and the to-be-locked member 200 are locked by the linkage assembly 20.

[0049] For the locking mechanism 100 proposed in the embodiment of the present utility model, when the user operates the operating member 30, and the operating member 30 drives the linkage assembly 20 to lock or unlock the to-be-locked member 200, the operating member 30 can also drive the connecting member 10 or the to-be-locked member 200 to continue sliding through the linkage assembly 20. That is, by operating the operating member 30 alone, the user can simultaneously achieve two actions of locking the to-be-locked member 200 and driving the connecting member 10 or the to-be-locked member 200 to slide. The operation process is simple and convenient, which can reduce the usage difficulty of the locking mechanism 100.

[0050] It should be noted that when the above locking mechanism 100 is applied to a clamping device, the connecting member 10 and the to-be-locked member 200 can be set as two clamping components of the clamping device. During the process of driving the clamping device to clamp the to-be-clamped member, when the user operates the operating member 30, during the process of locking the to-be-locked member 200, that is, during the process of locking the two clamping components of the clamping device, the connecting member 10 can further move towards the to-be-locked member 200 to clamp the to-be-clamped member, making the operation of the clamping device to clamp the to-be-clamped member very simple, and the clamping of the clamping device to the to-be-clamped member after locking is also more firm, and the to-be-clamped member is not easy to loosen. The to-be-clamped member can be, but is not limited to, a display device, such as a mobile phone, a tablet computer, etc.

[0051] Among them, the statement that "in the locked state, the connecting member 10 and the member to be locked 200 are locked by the linkage assembly 20 and cannot change their relative positions" may mean that in the locked state, the connecting member 10 cannot move relative to the member to be locked 200 in the first direction X nor in the second direction Y. The statement that "in the unlocked state, the connecting member 10 and the member to be locked 200 are unlocked by the linkage assembly 20 and can change their relative positions" may mean that in the unlocked state, the connecting member 10 can move relative to the member to be locked 200 in the first direction X and also in the second direction Y.

[0052] Among them, the statement that "the operating member 30 does not deviate in the first direction X" may mean that when the operating member 30 is operated, the operating member 30 does not move in a direction forming an angle with the first direction X. For example, the operating member 30 does not move in a direction perpendicular to the first direction X. Or rather, during the operation of the operating member 30, it can move along the first direction X or in a direction parallel to the first direction X, and / or rotate about the first direction X or an axis parallel to the first direction X.

[0053] In one embodiment, the statement that "the operating member 30 can drive the connecting member 10 to continue sliding through the linkage assembly 20" specifically means that the operating member 30 can drive the connecting member 10 to slide further along the first direction X towards the member to be locked 200 through the linkage assembly 20.

[0054] The above-mentioned operating member 30 may include an input mechanism capable of receiving the external force input by the operator. The input mechanism can be mechanically coupled to the linkage assembly to drive the movement of the linkage assembly 20 through the external force input by the operator. In some embodiments, the operating member 30 can receive an external force for rotation; specifically, referring to Figure 2 , the operating member 30 may include a knob, and the operator can drive the movement of the linkage assembly 20 by rotating it. In some embodiments, the operating member 30 can also receive an external force for translational movement; specifically, the operating member 30 may include a handle for receiving the pushing and pulling operation of the operator, etc., and the operator can drive the movement of the linkage assembly 20 by pushing and pulling the operating member 30, which is not limited herein.

[0055] In the above embodiment, the linkage assembly 20 is configured to be mechanically coupled with the connecting member 10 and can act on the member to be locked 200. In the process of changing from the unlocked state to the locked state, the operating member 30 can drive the connecting member 10 to continue to slide through the linkage assembly 20. It should be noted that the present invention is not limited to the above embodiment. For example, in some other embodiments, the linkage assembly 20 can also be configured to be mechanically coupled with the member to be locked 200 and can act on the connecting member 10. In the process of changing from the unlocked state to the locked state, the operating member 30 can drive the member to be locked 200 to continue to slide through the linkage assembly 20. In a specific embodiment, the operating member 30 can drive the member to be locked 200 to continue to slide toward the connecting member 100 along the second direction Y through the linkage assembly 20.

[0056] The linkage assembly 20 may be a component that responds to the movement of the operating member 30 and drives the connecting member 10 to move. Specifically, the linkage assembly 20 may include one or more transmission components to drive the connecting member 10 to move through the transmission of the one or more transmission components. For example, you can continue to refer to Figure 2 , the linkage assembly 20 may include at least a screw rod matched with the knob, and the connector 10 may include a screw hole, and the rotation of the knob enables the screw rod and the screw hole to cooperate to achieve translational movement of the connector 10. Of course, in other optional embodiments, the linkage assembly 20 may include at least a rack structure matched with the handle, and the connector 10 may include a gear structure, and the translational movement of the connector 10 is achieved by the cooperation of the gear and the rack structure.

[0057] Taking the mechanical coupling between the linkage assembly 20 and the connecting member 10 as an example, when the locking mechanism 100 proposed in this embodiment is locked, the user operates the operating member 30, the operating member 30 drives the linkage assembly 20 to move, and the member to be locked 200 is changed from the unlocked state to the locked state by the action of the linkage assembly 20. During the process of the member to be locked 200 changing from the unlocked state to the locked state, the linkage assembly 20 drives the connecting member 10 to continue to slide toward the member to be locked 200 until the member to be locked 200 changes to the locked state, and the connecting member 10 stops sliding, that is, the locking of the member to be locked 200 is completed. When unlocking, the user reversely operates the operating member 30, the operating member 30 drives the linkage assembly 20 to move, the member to be locked 200 changes from the locked state to the unlocked state, and the connecting member 10 and the member to be locked 200 can slide relative to each other in the first direction X and the second direction Y.

[0058] In some embodiments, the operating member 30 can be driven by an external force along the first direction X or the second direction Y to drive the connecting member 10 to move, so that the connecting member 10 and the to-be-locked member 200 can be in any relative position in the unlocked state. That is to say, in the unlocked state of the connecting member 10 and the to-be-locked member 200, the user can hold the operating member 30, and then apply an external force along the first direction X or an external force along the second direction Y to the operating member 30. Under the action of the external force, the operating member 30 drives the connecting member 10 to move along the first direction X or the second direction Y, so that the relative position between the connecting member 10 and the to-be-locked member 200 is changed. It should be understood that the above-mentioned operating member 30 can move under the direct action of the operator, or can respond to the triggering operation of the operator and move under the action of other mechanisms, which is not limited herein.

[0059] It should be noted that in the unlocked state, the change of the relative position between the connecting member 10 and the to-be-locked member 200 is not limited to the way of operating the operating member 30. For example, in some other embodiments, in the unlocked state, the user can directly apply an external force along the first direction X or an external force along the second direction Y to the connecting member 10, so that the connecting member 10 moves along the first direction X or the second direction Y, thereby changing the relative position between the connecting member 10 and the to-be-locked member 200.

[0060] As Figure 3 shown, in some embodiments, the connecting member 10 includes a first end 10a and a second end 10b. The first end 10a and the second end 10b are distributed along the second direction Y. The first end 10a of the connecting member 10 can be connected to the to-be-locked member 200, and the operating member 30 is arranged at the end face of the second end 10b of the connecting member 10.

[0061] As Figures 2 to 4 shown, in some embodiments, the to-be-locked member 200 includes a housing portion 210. The housing portion 210 is provided with a long groove 220. The connecting member 10 includes a guide rod portion 11. The guide rod portion 11 can movably pass through the long groove 220. The connecting member 10 realizes the ability to slide relative to the to-be-locked member 200 in the first direction X and the second direction Y through the cooperation of the guide rod portion 11 and the housing portion 210.

[0062] Of course, the sliding connection between the connecting member 10 and the to-be-locked member 200 is not limited to the above embodiment. For example, in some other embodiments, the housing portion 210 is provided with a guide groove, the guide rod portion 11 is provided with a guide rail, and it is also possible to realize the sliding connection between the guide rod portion 11 and the housing portion 210 through the cooperation of the guide rail and the guide groove, which can be determined according to actual design needs.

[0063] As Figures 2 to 4As shown, in some embodiments, a first limiting portion 230 protrudes from the inner sidewall of the long groove 220, and a second limiting portion 12 protrudes from the outer sidewall of the guide rod portion 11. When the first limiting portion 230 abuts against the second limiting portion 12, it blocks the entire guide rod portion 11 from sliding out of the long groove 220.

[0064] As Figures 2 to 4 shown, in some embodiments, the first limiting portion 230 is disposed at the port of the long groove 220, and the second limiting portion 12 is disposed at the end of the guide rod portion 11 located inside the long groove 220. Of course, the first limiting portion 230 and the second limiting portion 12 may also be disposed at other positions, which may be specifically determined according to actual design requirements.

[0065] As Figures 2 to 4 shown, in some embodiments, the long groove 220 includes a first groove sidewall 2201 and a second groove sidewall 2202 opposite to the first groove sidewall 2201 in the third direction Z, and the third direction Z is perpendicular to the first direction X. The guide rod portion 11 includes a first mating surface 111 and a second mating surface 112 opposite to the first mating surface 111 in the third direction Z. The first mating surface 111 is disposed opposite to the first groove sidewall 2201, and the second mating surface 112 is disposed opposite to the second groove sidewall 2202. The first limiting portion 230 is disposed on the first groove sidewall 2201 and the second groove sidewall 2202 of the long groove 220, and the second limiting portion 12 is disposed on the first mating surface 111 and the second mating surface 112 of the guide rod portion 11.

[0066] In some embodiments, the cross-sectional profile of the long groove 220 in the first cross-section is rectangular, and the cross-sectional profile of the guide rod portion 11 in the first cross-section is rectangular, and the first cross-section is perpendicular to the first direction X. In this embodiment, relative rotation cannot occur between the guide rod portion 11 and the housing portion 210. Of course, the cross-sectional profile of the long groove 220 in the first cross-section and the cross-sectional profile of the guide rod portion 11 in the first cross-section are not limited to being rectangular, and may also be triangular, circular, elliptical or polygonal, which may be specifically determined according to actual design requirements. It should be noted that when the cross-sectional profile of the long groove 220 in the first cross-section and the cross-sectional profile of the guide rod portion 11 in the first cross-section are circular, relative rotation may occur between the housing portion 210 and the guide rod portion 11.

[0067] As Figure 1As shown, in some embodiments, the component 200 to be locked further includes a first clamping portion 240. The first clamping portion 240 is connected to the housing portion 210. The connecting member 10 further includes a second clamping portion 13. The second clamping portion 13 is connected to the guide rod portion 11. The first clamping portion 240 and the second clamping portion 13 are used to clamp the workpiece to be clamped. The direction of the first clamping portion 240 towards the second clamping portion 13 is the second direction Y, and the direction of the second clamping portion 13 towards the first clamping portion 240 is the first direction X. When the connecting member 10 and the component 200 to be locked slide relative to each other in the first direction X and the second direction Y, the first clamping portion 240 and the second clamping portion 13 can approach each other to clamp the workpiece to be clamped, or the first clamping portion 240 and the second clamping portion 13 can move away from each other to release the workpiece to be clamped.

[0068] As Figure 2 shown, in some embodiments, the linkage assembly 20 includes a transmission member 21 and a lock core assembly 22. The lock core assembly 22 is mechanically coupled to the connecting member 10 and can act on the component 200 to be locked. The transmission member 21 is connected to the lock core assembly 22 and the operating member 30. The relative movement between the transmission member 21 and the lock core assembly 22 can change the relative distance between the lock core assembly 22 and the component 200 to be locked, so that the lock core assembly 22 locks or unlocks the component 200 to be locked.

[0069] It should be understood that the relative movement between the transmission member 21 and the lock core assembly 22 includes, but is not limited to, rotational movement and translational movement. For example, referring to Figure 3 , the transmission member 21 can be restricted by the operating member 30 and the housing to only perform rotational movement, while the lock core assembly 22 can perform translational movement under the action of the thread to approach or move away from the transmission member 21. In other alternative embodiments, the transmission member 21 can also perform rotational movement and translational movement simultaneously. For example, referring to Figure 11 , the transmission member 21 can perform translational movement under the action of the thread while rotating to approach or move away from the lock core assembly 22.

[0070] Specifically, when the relative movement between the transmission member 21 and the lock core assembly 22 makes the relative distance between the lock core assembly 22 and the component 200 to be locked zero, that is, when the lock core assembly 22 abuts against the component 200 to be locked, no relative movement can occur between the lock core assembly 22 and the component 200 to be locked. The lock core assembly 22 locks the component 200 to be locked, and the component 200 to be locked is in the locked state described above. When the relative movement between the transmission member 21 and the lock core assembly 22 makes there be a gap between the lock core assembly 22 and the component 200 to be locked, relative movement can occur between the lock core assembly 22 and the component 200 to be locked. The lock core assembly 22 unlocks the component 200 to be locked, and the component 200 to be locked is in the unlocked state described above.

[0071] It should be noted that the lock core assembly 22 is not limited to being mechanically coupled to the connecting member 10 as described above and being able to act on the member to be locked 200. For example, in some other embodiments, the lock core assembly 22 can also be set to be mechanically coupled to the member to be locked 200 and be able to act on the connecting member 10. In this embodiment, the relative movement between the transmission member 21 and the lock core assembly 22 can change the relative distance between the lock core assembly 22 and the connecting member 10, and also enable the lock core assembly 22 to lock or unlock the member to be locked 200.

[0072] As Figures 2 to 4 shown, in some embodiments, the lock core assembly 22 is mechanically coupled to the guide rod portion 11 of the connecting member 10 and can act on the inner side wall of the long groove 220. The transmission member 21 is embedded in the guide rod portion 11 and is connected to the lock core assembly 22 and the operating member 30. The relative movement between the transmission member 21 and the lock core assembly 22 can change the distance between the lock core assembly 22 and the inner side wall of the long groove 220, so that the lock core assembly 22 locks or unlocks the member to be locked 200.

[0073] In some embodiments, during the process of changing from the unlocked state to the locked state, at least part of the lock core assembly 22 abuts against the member to be locked 200. After the abutment occurs, at least part of the lock core assembly 22 can continue to move in the second direction Y, so that the connecting member 10 is affected by the frictional force of at least part of the lock core assembly 22 in the first direction X and moves in the first direction X. That is, during the process of locking the member to be locked 200, the lock core assembly 22 can also drive the connecting member 10 to move in the first direction X. By operating the operation of one component, two actions can be achieved simultaneously, reducing the operation difficulty. As Figures 2 to 4 shown, in some embodiments, the lock core assembly 22 includes a lock core 221 and a mating member 222. The transmission member 21 is connected to the lock core 221, and the lock core 221 cooperates with the mating member 222. Among them, the transmission member 21 can drive the lock core 221 to move in the first direction X and the second direction Y, so that the mating member 222 is pushed by the lock core 221 to lock or unlock the member to be locked 200.

[0074] For example, in one embodiment, when the transmission member 21 drives the lock core 221 to move in the second direction Y, the mating member 222 is pushed by the lock core 221 to move towards the inner side wall of the long groove 220 until it abuts against the inner side wall of the long groove 220, and the member to be locked 200 is locked by the mating member 222, and the member to be locked 200 is in the locked state described above. When the transmission member 21 drives the lock core 221 to move in the first direction X, the thrust of the lock core 221 acting on the mating member 222 disappears, and the mating member 222 changes from abutting against the inner side wall of the long groove 220 to having a gap with the inner side wall of the long groove 220, and the member to be locked 200 is in the unlocked state described above.

[0075] In one embodiment, during the process of the unlocking state transitioning to the locking state, the fitting 222 abuts against the component to be locked 200. After the abutment occurs, the fitting 222 can continue to move along the second direction Y, so that the connecting member 10 moves along the first direction X under the action of the frictional force exerted by the fitting 222 along the first direction X. That is to say, the lock core assembly 22 causes the connecting member 10 to move along the first direction X by applying a frictional force along the first direction X to the connecting member 10 through the fitting 222.

[0076] As Figure 5 and Figure 6 shown, in some embodiments, the lock core 221 includes a mating portion 2211, and at least a part of the outer sidewall of the mating portion 2211 is provided as an inclined surface. The fitting 222 is disposed between the mating portion 2211 and the component to be locked 200. When the transmission member 21 drives the fitting 222 to the locked position through the lock core 221, under the guidance of the inclined surface, the fitting 222 is extruded towards the component to be locked 200 so as to form a self-locking among the lock core 221, the fitting 222 and the component to be locked 200. That is to say, in this embodiment, when the lock core 221 moves relative to the fitting 222, a pushing force is formed on the fitting 222 through the inclined surface on the lock core 221. It should be understood that during the translational movement, the inclined surface can give the fitting 222 two component forces, defined as the first component force and the second component force. The first component force extrudes the fitting 222 against the sidewall of the component to be locked 200, and the second component force causes the fitting 222 to have a tendency to slide along the sidewall of the component to be locked 200. A frictional force that hinders the fitting 222 from sliding along the sidewall of the component to be locked 200 is generated between the fitting 222 and the sidewall of the component to be locked 200. The magnitude of the frictional force is the first component force multiplied by the coefficient of kinetic friction. Among them, when the materials and surface roughness of the fitting 222 and the component to be locked 200 are determined, the coefficient of kinetic friction is a fixed value. Therefore, by increasing the first component force until the frictional force is greater than or equal to the second component force, the fitting 222 cannot slide relative to the sidewall of the component to be locked 200, so that a self-locking is formed among the lock core 221, the fitting 222 and the component to be locked 200. It can be understood that the magnitude of the first component force is determined by the inclination of the inclined surface. Therefore, as long as the inclination of the inclined surface is reasonably set, the magnitude of the first component force can be adjusted so that the frictional force is greater than or equal to the second component force.

[0077] As Figures 4 to 6As shown, for example, in one embodiment, the long groove 220 includes a first groove side wall 2201 and a second groove side wall 2202 opposite to the first groove side wall 2201 in the third direction Z, and the third direction Z is perpendicular to the first direction X. The engaging portion 2211 includes a first side surface E1 and a second side surface E2 disposed opposite to the first side surface E1 in the third direction Z. The first side surface E1 is disposed opposite to the first groove side wall 2201, and the second side surface E2 is disposed opposite to the second groove side wall 2202. The number of the engaging members 222 is two, namely a first engaging member 222a and a second engaging member 222b. The first engaging member 222a is disposed between the first groove side wall 2201 and the first side surface E1, and the second engaging member 222b is disposed between the second groove side wall 2202 and the second side surface E2. Both the first side surface E1 and the second side surface E2 are inclined surfaces, and along the second direction Y, the distance between the first side surface E1 and the second side surface E2 gradually decreases.

[0078] When the transmission member 21 drives the lock core 221 to move in the second direction Y, the first engaging member 222a moves toward the first groove side wall 2201 under the push of the first side surface E1, and the second engaging member 222b moves toward the second groove side wall 2202 under the push of the second side surface E2 until the first engaging member 222a abuts against the first groove side wall 2201 and the second engaging member 222b abuts against the second groove side wall 2202, and a self-locking is formed among the lock core 221, the first engaging member 222a, the second engaging member 222b and the member 200 to be locked.

[0079] In the above embodiment, the engaging members 222 can be set as rolling elements. For example, in one embodiment, the engaging member 222 is a cylinder. Of course, the engaging member 222 is not limited to a cylinder. For example, in some other embodiments, the engaging member 222 is a sphere. In this embodiment, by setting the engaging member 222 as a rolling element, the rolling element has rolling friction during movement, and the rolling friction has a small frictional force, so that the connecting member can slide more smoothly relative to the member to be locked, reducing the operation jerks. Secondly, the rolling element has a small noise during operation, so that the noise when the user operates the connecting member to slide relative to the member to be locked is small, and the user experience is good.

[0080] The following explains how a self-locking is formed among the lock core 221, the engaging member 222 and the member 200 to be locked when the engaging member 222 is a rolling element. The inclined surface contacts the engaging member 222 and pushes the engaging member 222 to abut against the side wall of the member 200 to be locked. For the force analysis of the engaging member 222, see Figure 7 and Figure 8 ;

[0081] When the force is balanced:

[0082] F1 = F / tanα; F2 = F / sinα; Introduce the torque M = Fr, where r is the radius of the mating part, and analyze whether the mating part will rotate. Assume that the friction coefficients of the contact surface G1 and the contact surface G2 are the same. See Figure 7 , when the moment is balanced: fa*r = fb*r; where fa is the frictional force of the contact surface G1, and fb is the frictional force of the contact surface G2, that is: uF1*r = uF2*r; where u is the friction coefficient. Substitute F1 = F / tanα and F2 = F / sinα to get:

[0083] u(F / tanα)*r = u(F / sinα)*r; where, since tanα > sinα, so F / tanα < F / sinα. It can be seen from this that the frictional force provided by the contact surface G2 is greater than the frictional force provided by the contact surface G1. Therefore, the mating part 222 cannot rotate.

[0084] Analyze under what conditions the frictional force provided by the contact surface G1 is sufficient to prevent the mating part 222 from sliding: u(F / tanα) = F; The condition for it to hold is u = tanα. Take the friction coefficient u = 0.2 (the friction coefficient of aluminum) for calculation. When α is 10°, the self-locking condition can be achieved.

[0085] It should be noted that it is not limited to setting both the first side E1 and the second side E2 as inclined surfaces. For example, in some other embodiments, only the first side E1 or only the second side E2 can be set as an inclined surface. In this embodiment, there can be only one mating part 222. When the first side E1 is an inclined surface, the mating part 222 is arranged between the first groove side wall 2201 and the first side E1, and the second side E2 of the lock core 221 is in parallel contact with the second groove side wall 2202. When the second side E2 is an inclined surface, the mating part 222 is arranged between the second groove side wall 2202 and the second side E2, and the first side E1 of the lock core 221 is in parallel contact with the first groove side wall 2201.

[0086] It should be noted that it is not limited to the above-described embodiment to set at least a part of the outer side wall of the mating part 2211 as an inclined surface. For example, in some other embodiments, as Figure 9 shown, it can also be to set at least the outer side wall of the mating part 222 as an inclined surface. When the transmission part 21 drives the mating part 222 to run to the locked position through the lock core 221, through the guidance of the inclined surface, the mating part 222 is squeezed toward the connecting part 10 so that a self-locking is formed among the lock core 221, the mating part 222, and the part to be locked 200.

[0087] As Figure 4 and Figure 9As shown, for example, in one embodiment, the long groove 220 includes a first groove side wall 2201 and a second groove side wall 2202 opposite to the first groove side wall 2201 in the third direction Z, and the third direction Z is perpendicular to the first direction X. The lock core 221 is located between the first groove side wall 2201 and the second groove side wall 2202. The number of the fitting members 222 is two, namely a first fitting member 222a and a second fitting member 222b. The first fitting member 222a is located between the first groove side wall 2201 and the lock core 221, and the second fitting member 222b is located between the second groove side wall 2202 and the lock core 221. The surface of the first fitting member 222a facing the second fitting member 222b is a first abutting surface H1, and the surface of the second fitting member 222b facing the first fitting member 222a is a second abutting surface H2. Both the first abutting surface H1 and the second abutting surface H2 are provided as inclined surfaces, and along the second direction Y, the distance between the first abutting surface H1 and the second abutting surface H2 gradually decreases.

[0088] When the transmission member 21 drives the lock core 221 to move along the second direction Y, the lock core 221 abuts against the first abutting surface H1 to push the first fitting member 222a towards the first groove side wall 2201, and the lock core 221 abuts against the second abutting surface H2 to push the second fitting member 222b towards the second groove side wall 2202 until the first fitting member 222a abuts against the first groove side wall 2201 and the second fitting member 222b abuts against the second groove side wall 2202, and a self-locking is formed among the lock core 221, the first fitting member 222a, the second fitting member 222b and the member 200 to be locked. In this embodiment, the first fitting member 222a and the second fitting member 222b are wedge-shaped members, such as triangular members or trapezoidal members.

[0089] It should be noted that the fitting members 222 are not limited to be set as the above-mentioned first fitting member 222a and second fitting member 222b. When the fitting members 222 only include the above-mentioned first fitting member 222a, the first abutting surface H1 is an inclined surface, and the second side surface E2 of the lock core 221 is parallel and abutted to the second groove side wall 2202. When the fitting members 222 only include the above-mentioned second fitting member 222b, the second abutting surface H2 is an inclined surface, and the first side surface E1 of the lock core 221 is parallel and abutted to the first groove side wall 2201.

[0090] It should be noted that it is not limited to adopt the above-mentioned method, and only at least part of the outer side wall of the fitting portion 2211 is set as an inclined surface, or only at least the outer side wall of the fitting member 222 is set as an inclined surface. For example, in some other embodiments, as Figure 10 shown, at least part of the outer side wall of the fitting portion 2211 and at least the outer side wall of the fitting member 222 can be both set as inclined surfaces and arranged oppositely. The setting of the outer side wall of the fitting portion 2211 as an inclined surface and the setting of the outer side wall of the fitting member 222 as an inclined surface can be set with reference to the above-mentioned embodiments and will not be elaborated here.

[0091] In the above embodiments, the engaging portion 2211 may not be a rotating body, and a part of the outer side wall of the engaging portion 2211 may be an inclined surface. In some embodiments, the engaging portion 2211 may be a conical rotating body, and the entire outer side wall of the engaging portion 2211 is an inclined surface.

[0092] It should be noted that in the embodiment where the rolling element is a cylinder, the two end faces of the cylinder contact the connecting member, the outer side wall between the two end faces of the cylinder abuts against the member to be locked 200, the cylinder rotates during the movement along the second direction Y, and the frictional forces generated by the two end faces of the cylinder drive the connecting member to move along the first direction. In this embodiment, the contact areas between the two end faces of the cylinder and the connecting member are relatively large, so that the connecting member is uniformly stressed, thereby reducing wear and extending the service life of the mechanism.

[0093] In some embodiments, the relative movement of the transmission member 21 and the lock core 221 in the first direction X and the second direction Y can enable the fitting member 222 to be in a locked position or an unlocked position. Among them, in the locked position, the fitting member 222 abuts against the member to be locked 200, and the fitting member 222 is at least subjected to a force from the lock core 221 different from the first direction X. In the unlocked position, there is a gap between the fitting member 222 and the member to be locked 200 and / or between the fitting member 222 and the lock core 221. During the process of changing from the unlocked state to the locked state, the lock core 221 moves closer to the transmission member 21 along the second direction Y, so as to drive the fitting member 222 to move along the second direction Y, and at the same time, apply a holding force different from the second direction Y to the member to be locked 200.

[0094] Among them, "the fitting member 222 is at least subjected to a force from the lock core 221 different from the first direction X" may mean that the force received by the fitting member 222 from the lock core 221 is not in the same direction as the first direction X. For example, the fitting member 222 is subjected to a force perpendicular to the first direction X from the lock core 221. Similarly, "the lock core 221 applies a holding force different from the second direction Y to the member to be locked 200" may mean that the force applied by the lock core 221 to the member to be locked 200 is not in the same direction as the second direction Y. For example, in one embodiment, during the process of changing from the unlocked state to the locked state, the lock core 221 moves closer to the transmission member 21 along the second direction Y, so as to drive the fitting member 222 to move along the second direction Y, and at the same time, apply a holding force perpendicular to the second direction Y to the member to be locked 200.

[0095] Such as Figure 3 and Figure 11As shown, in some embodiments, the guide rod portion 11 is provided with a first assembly groove 113. The lock core 221 is movably mounted in the first assembly groove 113 along the first direction X and the second direction Y. The side wall of the guide rod portion 11 is provided with a first limiting groove 114 communicating with the first assembly groove 113 and the long groove 220. The cooperating member 222 is disposed in the first limiting groove 114, and the cooperating member 222 can move along the first limiting groove 114 under the action of the lock core 221 to cooperate with the lock core 221 to abut against the inner wall of the long groove 220. It should be noted that the cooperating member 222 is restricted within the first limiting groove 114. When the guide rod portion 11 moves relative to the member 200 to be locked, the cooperating member 222 moves together with the guide rod portion 11.

[0096] As Figure 11 As shown, in some embodiments, the guide rod portion 11 is further provided with a second assembly groove 115 and a second limiting groove 116 distributed along the first direction X. The second assembly groove 115 communicates with the first assembly groove 113, and the second assembly groove 115 is used for accommodating the transmission member 21. The second limiting groove 116 is disposed between the first assembly groove 113 and the second assembly groove 115, and the inner side wall of the second limiting groove 116 forms a first abutting portion 117 and a second abutting portion 118. The first abutting portion 117 and the second abutting portion 118 are spaced apart in the first direction X. The transmission member 21 passes through the first assembly groove 113, the second limiting groove 116 and the second assembly groove 115 and is connected to the lock core 221. The outer side wall of the transmission member 21 is provided with a protruding portion 211. The protruding portion 211 is located in the second limiting groove 116, and the two sides of the protruding portion 211 in the first direction X can respectively abut against the first abutting portion 117 and the second abutting portion 118.

[0097] It can be understood that since the protruding portion 211 provided on the outer side wall of the transmission member 21 is clamped between the first abutting portion 117 and the second abutting portion 118, therefore, in the first direction X and the second direction Y, the transmission member 21 and the guide rod portion 11 are relatively fixed, that is, in the first direction X and the second direction Y, the transmission member 21 and the connecting member 10 are relatively fixed. When the user applies an external force along the first direction X or an external force along the second direction Y to the operating member 30, the operating member 30 drives the transmission member 21 to move along the first direction X or move along the second direction Y under the action of the external force. Due to the cooperation relationship between the protruding portion 211, the first abutting portion 117 and the second abutting portion 118, the transmission member 21 drives the connecting member 10 to move along the first direction X or move along the second direction Y.

[0098] As Figure 11As shown, in some embodiments, the first abutting portion 117 is located on the side of the second abutting portion 118 facing the lock core 221, and the locking mechanism 100 further includes a plastic gasket 40. The plastic gasket 40 is disposed between the protruding portion 211 and the first abutting portion 117. In this embodiment, by providing the plastic gasket 40, a buffer can be formed between the protruding portion 211 and the first abutting portion 117 to prevent noise generated by mutual friction between the protruding portion 211 and the first abutting portion 117 during the rotation of the transmission member 21, thereby reducing the user experience.

[0099] As Figure 12 shown, in some embodiments, the locking mechanism 100 further includes an annular metal gasket 50. The annular metal gasket 50 is installed on the connecting member 10, and the transmission member 21 passes through the annular metal gasket 50. In this embodiment, by providing the annular metal gasket 50, the annular metal gasket 50 can provide protection and positioning for the transmission member 21, improve the stability of the structure, and at the same time avoid the situation where the transmission member 21 of the locking mechanism 100 accidentally falls and becomes skewed.

[0100] In some embodiments, the connecting member 10 is made of a metal material. The available metal materials include but are not limited to aluminum. By setting the connecting member 10 to be made of a metal material, the strength and hardness of the connecting member 10 can be improved, and the service life of the locking mechanism 100 can be extended. In some embodiments, the member to be locked 200 is also made of a metal material.

[0101] In some embodiments, the inner sidewall of the long groove 220 is subjected to an oxidation treatment. In this embodiment, the strength and wear resistance of the inner sidewall of the long groove 220 can be improved, and the service life of the locking mechanism 100 can be extended.

[0102] As Figure 5 and Figure 6 shown, in some embodiments, the lock core 221 includes a transmission portion 2212. The transmission member 21 cooperates with the transmission portion 2212 and can be linked with the transmission portion 2212 so that the lock core 221 and the transmission member 21 can move towards each other. When the transmission member 21 is in the target position, the cooperating member 222 locks the member to be locked 200, and the transmission member 21 is locked to the transmission portion 2212. By providing the transmission portion 2212 in the lock core 221, it is possible to avoid adding additional transmission mechanisms, reduce the axial space occupation, facilitate reducing the structural design difficulty, and at the same time reduce the use of components, playing a role in simplifying the mechanism. Of course, in some other embodiments, it is also possible to implement the transmission portion 2212 by additionally providing a transmission mechanism, which can be determined according to actual design needs.

[0103] As Figure 5 and Figure 6As shown, in one embodiment, the transmission part 2212 includes a threaded hole provided in the lock core 221. The transmission member 21 includes a threaded section, and the threaded section is in threaded engagement with the threaded hole. The operating member 30 drives the transmission member 21 to rotate by rotation, so that the transmission member 21 is screwed into the threaded hole of the lock core 221 and locked. In this embodiment, since the pitch of the thread is small, when the transmission member 21 rotates one circle, the stroke of the translation of the lock core 221 or the connecting member 10 is also small, which can achieve fine adjustment. Moreover, the thread adjustment is a stepless adjustment process without a sense of jerk, which can improve the user experience.

[0104] Of course, in other alternative embodiments, the transmission member 21 may also include a rack, and the lock core 221 may include a gear. The rotation of the gear is driven by the translational movement of the rack, and then the lock core 221 is driven to perform a translational movement.

[0105] It can be understood that if the mating part 222 can move freely in the first limiting groove 114, in some usage scenarios, when the user drives the connecting member 10 to move along the second direction Y, the mating part 222 may interfere with the movement of the connecting member 10, resulting in a sense of jerk when the connecting member 10 moves along the second direction Y and reducing the user experience.

[0106] As Figure 11 As shown, in some embodiments, the locking mechanism 100 further includes a reset member 60. The reset member 60 is provided on the connecting member 10. The reset member 60 is used to provide a restoring force so that after the external force acting on the mating part 222 is withdrawn, the mating part 222 can automatically return to the unlocked position, and during the relative movement between the connecting member 10 and the part to be locked 200, the mating part 222 can be kept in the unlocked position under the action of the reset member 60. In this embodiment, when the part to be locked 200 is in the unlocked state, when the user drives the connecting member 10 to move along the first direction X or the second direction Y, the mating part 222 will not interfere with the movement of the connecting member 10, and the connecting member 10 can move smoothly without a sense of jerk, and the user experience is better.

[0107] In some embodiments, the reset member 60 and the mating part 222 can be reset by magnetic force cooperation. By the way of magnetic force cooperation, there is no structural loss of mechanical cooperation, which can effectively extend the service life of the mechanism.

[0108] For example, in some embodiments, the reset member 60 is a magnetic part, and the mating part 222 is a magnetic attracting part. Among them, the magnetic part may refer to a part made of magnetic material, such as a part made of a magnet. The magnetic attracting part may refer to a part made of magnetic attracting material, such as a part made of iron, cobalt, nickel or their alloys. The reset member 60 drives the mating part 222 to automatically return to the unlocked position through the adsorption of magnetic force.

[0109] It should be noted that, not limited to the above embodiments, the reset member 60 is set as a magnetic member, and the mating member 222 is set as a magnetically attracted member. For example, in another embodiment, the reset member 60 can be set as a magnetically attracted member, and the mating member 222 can be set as a magnetic member.

[0110] Alternatively, in another embodiment, both the reset member 60 and the mating member 222 can be set as magnetic members, which can be specifically determined according to actual design requirements. It should be noted that, in this embodiment, the reset member 60 and the mating member 222 can be attracted by magnetic force so that the mating member 222 automatically returns to the unlocked position, or the mating member 222 can be automatically returned to the unlocked position by magnetic repulsion.

[0111] Specifically, as Figure 11 shown, in some embodiments, the first limiting groove 114 includes a first inner side surface 1141 and a second inner side surface 1142. The first inner side surface 1141 and the second inner side surface 1142 are oppositely arranged in the first direction X, and the second inner side surface 1142 is closer to the transmission member 21 than the first inner side surface 1141. When the mating member 222 is in the unlocked position, the mating member 222 abuts against the first inner side surface 1141. The magnetic force between the reset member 60 and the mating member 222 causes the mating member 222 to abut against the first inner side surface 1141 of the first limiting groove 114.

[0112] It should be noted that the reset member 60 is not limited to being matched with the mating member 222 in a magnetic force manner. In some embodiments, the reset member 60 can be matched with the mating member 222 through an elastic mechanism. For example, the reset member 60 can include an elastic member, one end of the elastic member abuts against the connecting member 10, and the other end of the elastic member abuts against the mating member 222. The elastic force between the reset member 60 and the mating member 222 causes the mating member 222 to abut against the first inner side surface 1141 of the first limiting groove 114. The elastic member can be, but is not limited to, a spring.

[0113] As Figure 13 shown, in some embodiments, the lock core 221 is provided with a connection hole 2213, and guide holes 2214 communicating with the connection hole 2213 are provided on both sides of the lock core 221. The mating member 222 can movably pass through the guide holes 2214. When one end of the transmission member 21 penetrates into the connection hole 2213, it pushes the mating member 222 to extend out along the guide holes 2214 to both sides of the lock core 221 to abut against the member to be locked 200. The restoring force provided by the reset member is used to drive the mating member 222 to retract into the lock core 221 towards the screw hole direction. In this embodiment, the reset member can be, but is not limited to, a spring.

[0114] In some embodiments, the component 200 to be locked can also be in a one-way locking state, which is the state during the process of changing from the unlocked state to the locked state. Among them, in the one-way locking state, the cooperating component 222 is in a semi-locked position between the locked position and the unlocked position. Through the guiding of the inclined surface, when the connecting component 10 moves relative to the component 200 to be locked along the second direction Y, the cooperating component 222 is automatically clamped between the mating portion 2211 and the component 200 to be locked, so that the connecting component 10 can only move relative to the component 200 to be locked along the first direction X. That is, in the one-way locking state, the connecting component 10 cannot move relative to the component 200 to be locked along the second direction Y, but the connecting component 10 can move relative to the component 200 to be locked along the first direction X.

[0115] It should be understood that the first direction X is the direction in which the distance between the connecting component 10 and the component 200 to be locked can be reduced. In this embodiment, by setting that the component 200 to be locked also has a one-way locking state between the unlocked state and the locked state, when the locking mechanism 100 is applied to the clamping device, the function of one-way locking can be utilized to prevent the component 200 to be locked and the connecting component 10 from suddenly opening and causing the clamped component to fall and be damaged. At the same time, the user can further operate to shorten the distance between the connecting component 10 and the component 200 to be locked to pre-tighten the clamped component. It can be understood that in the unlocked state, the component 200 to be locked can move relative to the connecting component 10 both in the first direction X and in the second direction Y. In this way, during the process of the clamping device clamping the clamped component, it may suddenly open, resulting in the clamped component falling and being damaged. It can be understood that in the one-way locking state, since the user does not need to always prevent the clamped component from falling and being damaged, it is more worry-free and labor-saving during the process of clamping the clamped component.

[0116] The entire operation process of the locking mechanism 100 during the locking process is described here to further explain the one-way locking state. As Figures 1 to 6 、 Figure 11 、 Figure 14 and Figure 15 shown, specifically, when the locking mechanism 100 is locked, the user rotates the operating member 30, and the operating member 30 drives the transmission member 21 to rotate. Since one end of the transmission member 21 is in threaded cooperation with the lock core 221, and the position of the transmission member 21 and the connecting component 10 is relatively fixed in the first direction X, therefore, during the rotation of the transmission member 21, it will drive the lock core 221 to move toward the second direction Y. During the process of the lock core 221 moving toward the second direction Y, the inclined surface on the lock core 221 presses the cooperating component 222 toward the inner wall of the long groove 220 until the cooperating component 222 is clamped between the lock core 221 and the inner wall of the long groove 220 (as Figure 14As shown in the figure, at this time, a self-locking is formed among the lock core 221, the fitting 222, and the component to be locked 200. When the operating member 30 is further rotated, since the lock core 221 cannot move, at this time, the transmission member 21 moves in the first direction X under the drive of the threaded fit. The moving transmission member 21 drives the connecting member 10 to move in the first direction X until the second inner side surface 1142 of the first limiting groove 114 abuts against the fitting 222 (as Figure 15 shown), the connecting member 10 stops moving, and the component to be locked 200 is in the locked state described above. At this time, the component to be locked 200 cannot move along the first direction X or the second direction Y relative to the connecting member 10.

[0117] Among them, in the process of the lock core 221 moving in the second direction Y, the inclined surface on the lock core 221 presses the fitting 222 toward the inner side wall of the long groove 220 until the fitting 222 is clamped between the lock core 221 and the inner side wall of the long groove 220, and a self-locking is formed among the lock core 221, the fitting 222, and the component to be locked 200. This is the one-way locking state of the locking mechanism 100. At this time, since a self-locking is formed among the lock core 221, the fitting 222, and the component to be locked 200, when the user pulls the connecting member 10 in the second direction Y, no movement can occur between the connecting member 10 and the component to be locked 200. However, when the user pushes the connecting member 10 in the first direction X, relative movement can occur between the connecting member 10 and the component to be locked 200.

[0118] Such as Figures 1 to 6 , Figure 11As shown in the figure, an embodiment of the present utility model further provides a locking mechanism 100, which is used to lock and unlock a workpiece to be locked 200. The locking mechanism 100 provided in this embodiment includes a connecting member 10, a linkage assembly 20, and an operating member 30. The connecting member 10 is used to be mechanically coupled with the workpiece to be locked 200, and the connecting member 10 can slide relative to the workpiece to be locked 200 in a first direction X and a second direction Y to change the relative position between the workpiece to be locked 200 and the connecting member 10. The first direction X and the second direction Y are opposite directions. The linkage assembly 20 is mechanically coupled with the connecting member 10 and can act on the workpiece to be locked 200. The operating member 30 is connected to the linkage assembly 20 and is used to drive the linkage assembly 20 to move so that, in any relative position between the connecting member 10 and the workpiece to be locked 200, the workpiece to be locked 200 can be in a locked state or an unlocked state under the action of the linkage assembly 20. Among them, in the locked state, the connecting member 10 and the workpiece to be locked 200 are locked by the linkage assembly 20 and cannot change their relative positions. In the unlocked state, the connecting member 10 and the workpiece to be locked 200 are unlocked by the linkage assembly 20 and can change their relative positions. During the process of changing from the unlocked state to the locked state, the operating member 30 can drive the linkage assembly 20 to be in a one-way locking state, so that the connecting member 10 can only slide unidirectionally along the first direction X or the second direction Y relative to the workpiece to be locked 200.

[0119] For the locking mechanism 100 provided in this embodiment, by setting that the workpiece to be locked 200 also has a one-way locking state between the unlocked state and the locked state, when the locking mechanism 100 is applied to a clamping device, the function of one-way locking can be utilized to prevent the workpiece to be locked 200 and the connecting member 10 from suddenly opening and causing the clamped workpiece to fall and be damaged. It can be understood that in the unlocked state, the workpiece to be locked 200 can move in the first direction X or the second direction Y relative to the connecting member 10. In this way, during the process of the clamping device clamping the clamped workpiece, it may suddenly open, resulting in the clamped workpiece falling and being damaged. It can be understood that in the one-way locking state, since the user does not need to always prevent the clamped workpiece from falling and being damaged, it is more worry-free and labor-saving during the process of clamping the clamped workpiece.

[0120] The following takes the locking mechanism 100 for locking a tablet computer and the mating part 222 being a cylindrical roller as an example to describe in detail the mating relationship of the components of the locking mechanism 100 and the actions that the locking mechanism 100 can perform when the locking mechanism 100 is in three states: the unlocked state, the one-way locking state, and the locked state.

[0121] In the unlocked state, the cylindrical roller is magnetically adsorbed on the first inner side surface 1141 of the first limiting groove 114. There is a gap between the lock core 221 and the cylindrical roller, and the cylindrical roller can move within the first limiting groove 114. At this time, the user can freely adjust the connecting member 10 and the member to be locked 200 in two directions, namely the first direction X and the second direction Y.

[0122] In the one-way locking state, the cylindrical roller is pushed by the lock core to the middle of the first limiting groove 114, and there is still a certain distance from the second inner side surface 1142 of the first limiting groove 114. At this time, when the user pushes the connecting member along the first direction X, the cylindrical roller has a tendency to move in the first direction X due to friction, which increases the gap between the cylindrical roller and the member to be locked 200, so it can move. When the user pulls the connecting member 10 along the second direction Y, the cylindrical roller has a tendency to move in the second direction Y due to friction, which causes the cylindrical roller to abut against the member to be locked 200, increasing the friction, so it cannot move. After the user installs the tablet computer on the locking mechanism 100, it enters the one-way locking state, preventing the connecting member 10 from moving in the second direction Y and causing the tablet computer to become loose. On this basis, the user can further clamp the tablet computer.

[0123] In the locked state, the cylindrical roller is pushed by the lock core 221 to abut against the second inner side surface 1142 of the first limiting groove 114. The cylindrical roller is subjected to the pressure of the lock core 221 and generates a component force towards the member to be locked 200. At this time, the friction is large, and the user cannot push or pull the connecting member 10 in both the first direction X and the second direction Y, that is, the locking is completed.

[0124] For the structures, connection relationships, and beneficial effects of other components of the locking mechanism 100 proposed in this embodiment, reference can be made to the above embodiments and will not be elaborated here.

[0125] As Figures 1 to 16 shown, an embodiment of the present invention also proposes a clamping device, which includes a member to be locked 200 and the above-mentioned locking mechanism 100. Among them, the connecting member 10 is connected to the member to be locked 200 and is used to cooperate with clamping the workpiece to be clamped 300. The connecting member 10 and the member to be locked 200 can change their relative positions to clamp or release the workpiece to be clamped 300.

[0126] For the clamping device proposed in this embodiment, due to the use of the above-mentioned locking mechanism 100, when the user operates the operating member 30 to lock the member to be locked 200, the connecting member 10 and the member to be locked 200 can further move towards each other to clamp the workpiece to be clamped 300. That is, the user can simultaneously achieve the advantages of locking the member to be locked 200 and further clamping the workpiece to be clamped 300 by operating the operating member 30. The operation is very simple, and after locking, the clamping device clamps the workpiece to be clamped 300 more firmly, and the workpiece to be clamped 300 is not easily loosened.

[0127] The structures, connection relationships and beneficial effects of other components of the clamping device proposed in this embodiment can refer to the above embodiments and will not be described in detail here.

[0128] like Figures 1 to 16 As shown, the embodiment of the utility model also proposes a bracket device, which includes a member to be locked 200, a support member 400, an adapter assembly 500 and the above-mentioned locking mechanism 100, the connecting member 10 is connected to the member to be locked 200, and is used to cooperate with the clamping display device 300, and the connecting member 10 and the member to be locked 200 can clamp or release the display device 300 by changing the relative position. One end of the supporting member 400 is hinged to the connecting member 10 or the member to be locked 200, and the supporting member 400 has a storage position and an unfolding position. When the supporting member 400 is in the unfolding position, the supporting member 400 and the member to be locked 200 form a supporting structure that can make the connecting member 10 tilted and placed on a plane. The adapter assembly 500 is connected to the connecting member 10, and the adapter assembly 500 is used to be detachably connected to the image transmission module 600. Among them, the display device 300 is connected to the image transmission module 600 for communication, and is used to display the image transmitted by the image transmission module 600. The display device 300 can be but not limited to a mobile phone or a tablet computer.

[0129] The bracket device proposed in this embodiment, by providing a support member 400 and an adapter assembly 500, allows the member to be locked 200 to cooperate with the support member 400 to form a support structure placed on a plane, so that the support device can be placed on a plane, and can also be connected to the image transmission module 600 through the adapter assembly 500. It should be understood that the image transmission module 600 can be used to remotely transmit the image obtained by the shooting device and display it on the display device. In this embodiment, the user can carry the display device and the image transmission module at the same time more conveniently through the bracket device to avoid the problem that the distance between the image transmission module and the display device is too far and affects the communication quality; at the same time, the bracket device can also be placed in a fixed position to facilitate remote monitoring through the display device. In addition, due to the use of the above-mentioned locking mechanism 100, when the user operates the operating member 30 to lock the member to be locked 200, the connecting member 10 and the member to be locked 200 can further move toward each other to clamp the display device. That is, the user can simultaneously achieve the advantages of locking the member to be locked 200 and further clamping the display device by operating the operating member 30. The operation is very simple, and after locking, the clamping device clamps the display device more firmly, and the display device is not easy to loosen.

[0130] In some embodiments, when the clamped member 300 is disposed on the bracket device, the supporting member 400 is located on a side of the connecting member 10 or the member to be locked 200 facing away from the clamped member 300 .

[0131] The structures, connection relationships, and beneficial effects of other components of the clamping device proposed in this embodiment can be referred to the above embodiments, and will not be elaborated here.

[0132] The following is a specific usage scenario to demonstrate in detail the implementation process of the clamping mechanism when clamping the workpiece to be clamped. During use, first place the workpiece to be clamped (such as a tablet computer) between the connecting member 10 and the member to be locked 200, and then move the connecting member 10 so that the connecting member 10 contacts the workpiece to be clamped. Then rotate the knob clockwise. As the knob rotates, the connecting member 10 will move about 2 mm in the direction of the member to be locked 200 synchronously. The soft silicone on the connecting member 10 and the member to be locked 200 will deform to absorb this movement amount, so there is no need to worry about the workpiece to be clamped being crushed. While the silicone deforms, the contact force between it and the workpiece to be clamped becomes larger, so a greater frictional force can be provided to prevent the workpiece to be clamped from slipping out, and the workpiece to be clamped is gradually clamped. The user can stop turning the knob when it is no longer possible to turn it with a little force by hand. At this time, the workpiece to be clamped has been completely locked.

[0133] Traditional clamping devices for clamping tablet computers adopt three methods: compression spring / tension spring, pull rod, and screw rod. Among them, in the compression spring / tension spring scheme, the clamping force for locking the tablet computer is provided by the compression spring / tension spring. During use, after pulling open the jaws pre-tightened by the compression spring / tension spring, place the tablet computer in, and after releasing the jaws, the jaws will contact and lock the tablet under the action of the compression spring / tension spring. In the pull rod scheme, through the frictional force between the pressure block and the pull rod, during use, adjust the position of the jaws connected to the pull rod, place the tablet computer under the jaws, then adjust the position of the jaws so that the jaws contact the tablet computer, and press the jaws with one hand to keep the jaws in contact with the tablet computer and pre-tighten it. With the other hand, tighten the pressure block onto the pull rod to fix the pull rod by frictional force to lock the tablet computer. In the screw rod scheme, through screw thread transmission, during use, rotate the screw rod to adjust the position of the jaws to achieve length adjustment; when the jaws are in contact with the tablet computer, continue to rotate the screw rod to achieve the pre-tightening function.

[0134] The above three traditional schemes all have some problems. Among them, for the compression spring / tension spring scheme, limited by the force value of the compression spring / tension spring and the difference in the force value of the compression spring / tension spring at different working lengths, the locking effect is unreliable, and at the same time, the locking effect is unstable for tablet computers of different specifications. For the pull rod scheme, when locking, it is necessary to press the jaws and tighten the locking pressure block at the same time, which has a large operation difficulty. When the operation is improper, the locking effect is poor, and the tablet computer is easy to slip out. For the screw rod scheme, the pre-tightening experience and fixing effect are good, but the adjustment process is time-consuming and it cannot be quickly opened and stored.

[0135] Relative to the technical problems existing in the above several traditional schemes, the locking mechanism proposed in the above embodiments of the present utility model has the following advantages:

[0136] The locking mechanism proposed in the embodiment of the present utility model, firstly, adopts a self-locking structure during locking. The locking effect of the self-locking structure is stable, unlike a spring that is prone to unstable locking effects due to the limitation of the spring force value.

[0137] Secondly, by setting up a linkage component, the two actions of locking and clamping are combined into one action, making the operation of clamping the clamped part very simple. After locking, the clamping device clamps the clamped part more firmly, and the clamped part is not easily loosened. Moreover, by utilizing the one-way locking state, it is possible to avoid the loosening of the clamped part during the further clamping and locking processes, and the operation process is more time-saving and labor-saving.

[0138] Furthermore, the proposed locking mechanism has few structural components, a simple structure, and low costs.

[0139] As mentioned above, the above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A locking mechanism for locking and unlocking a part to be locked, characterized in that: include: a connecting member, which is used for mechanically coupling with the member to be locked, and the connecting member can slide relative to the member to be locked in a first direction and a second direction to change the relative position between the member to be locked and the connecting member, the first direction and the second direction being opposite directions; a linkage assembly, mechanically coupled to one of the connecting member and the member to be locked, and capable of acting on the other of the connecting member and the member to be locked; as well as An operating member connected to the linkage assembly and used to drive the linkage assembly to move, so that when the connecting member and the member to be locked are in any relative position, the member to be locked can be in a locked state or an unlocked state under the action of the linkage assembly; Wherein, in the locked state, the connecting member and the member to be locked are locked by the linkage assembly and cannot change their relative positions; In the unlocked state, the connecting member and the member to be locked are unlocked by the linkage assembly and can change their relative positions; During the process of converting the unlocked state into the locked state, the operating member does not move offset relative to the first direction, and the operating member can drive the connecting member or the member to be locked to continue sliding through the linkage assembly until the connecting member and the member to be locked are locked by the linkage assembly.

2. A locking mechanism for locking and unlocking a part to be locked, characterized in that: include: a connecting member, which is used for mechanically coupling with the member to be locked, and the connecting member can slide relative to the member to be locked in a first direction and a second direction to change the relative position between the member to be locked and the connecting member, the first direction and the second direction being opposite directions; a linkage assembly, mechanically coupled to one of the connecting member and the member to be locked, and capable of acting on the other of the connecting member and the member to be locked; as well as An operating member connected to the linkage assembly and used to drive the linkage assembly to move, so that when the connecting member and the member to be locked are in any relative position, the member to be locked can be in a locked state or an unlocked state under the action of the linkage assembly; Wherein, in the locked state, the connecting member and the member to be locked are locked by the linkage assembly and cannot change their relative positions; In the unlocked state, the connecting member and the member to be locked are unlocked by the linkage assembly and can change their relative positions; During the process of converting the unlocked state into the locked state, the operating member can drive the linkage assembly to be in a one-way locked state, so that the connecting member can only slide one-way along the first direction or the second direction relative to the member to be locked.

3. The locking mechanism according to claim 1 or 2, characterized in that: The linkage assembly includes a transmission member and a lock core assembly. The lock core assembly is mechanically coupled to one of the connecting member and the member to be locked, and can act on the other of the connecting member and the member to be locked. The transmission member is connected to the lock core assembly and the operating member. The relative movement between the transmission member and the lock core assembly can change the relative distance between the lock core assembly and the connecting member or the member to be locked, so that the lock core assembly locks or unlocks the member to be locked.

4. The locking mechanism according to claim 3, characterized in that: During the process of transforming from the unlocked state to the locked state, at least part of the lock core assembly abuts against the part to be locked, and after the abutment, at least part of the lock core assembly can continue to move along the second direction, so that the connecting part is affected by the friction force of at least part of the lock core assembly along the first direction and moves along the first direction.

5. The locking mechanism according to claim 3, characterized in that: The lock core assembly comprises a lock core and a matching piece, the transmission piece is connected to the lock core, and the lock core matches with the matching piece; The transmission member can drive the lock core to move along the first direction and the second direction, so that the matching member is pushed by the lock core to lock the member to be locked or unlock the member to be locked.

6. The locking mechanism according to claim 5, characterized in that: The matching element is a rolling element.

7. The locking mechanism according to claim 5, characterized in that: The relative movement between the transmission member and the lock core in the first direction and the second direction can cause the matching member to be in a locked position or an unlocked position; Wherein, in the locking position, the matching piece is in abutment with the piece to be locked, and the matching piece is at least subjected to a force from the lock core in a direction different from the first direction; In the unlocked position, there is a gap between the mating part and the part to be locked and / or between the mating part and the lock core; in the process of transforming the unlocked state into the locked state, the lock core moves along the second direction close to the transmission part to drive the mating part to move along the second direction while applying a resisting force different from the second direction to the part to be locked.

8. The locking mechanism according to claim 7, characterized in that: The locking mechanism also includes a reset member, which is arranged on the connecting member. The reset member is used to provide a restoring force so that after the external force acting on the mating member is removed, the mating member can automatically return to the unlocked position, and during the relative movement between the connecting member and the member to be locked, the mating member can be maintained in the unlocked position by the action of the reset member.

9. The locking mechanism according to claim 8, characterized in that: One of the resetting member and the matching member is a magnetic member, and the other of the resetting member and the matching member is a magnetic member or a magnetic attraction member; or, The reset member comprises an elastic member, one end of the elastic member abuts against the connecting member, and the other end of the elastic member abuts against the matching member; or, The lock core is provided with a connecting hole, and guide holes connected to the connecting hole are provided on both sides of the lock core. The matching piece can be movably inserted into the guide hole. When one end of the transmission piece is inserted into the connecting hole, the matching piece is pushed to extend along the guide hole to both sides of the lock core to abut against the piece to be locked. The restoring force provided by the reset piece is used to drive the matching piece to retract the lock core toward the connecting hole.

10. The locking mechanism according to claim 7, characterized in that: The lock core comprises a matching portion, and at least a portion of the outer side wall of the matching portion and / or the matching piece is configured as an inclined surface; The mating piece is arranged between the mating portion and the piece to be locked. When the transmission piece drives the mating piece to move to the locking position through the lock core, the mating piece is pressed toward the piece to be locked through the guidance of the inclined surface to form self-locking among the lock core, the mating piece and the piece to be locked.

11. The locking mechanism according to claim 10, characterized in that: The to-be-locked member can also be in a one-way locking state, wherein the one-way locking state is a state in the process of changing from the unlocking state to the locking state; Among them, in the one-way locking state, the mating piece is in a semi-locking position between the locking position and the unlocking position, and through the guidance of the inclined surface, the mating piece is automatically clamped between the mating portion and the piece to be locked when the connecting piece moves along the second direction relative to the piece to be locked, so that the connecting piece can only move along the first direction relative to the piece to be locked.

12. The locking mechanism according to claim 5, characterized in that: The lock core includes a transmission part, and the transmission member cooperates with the transmission part and can be linked with the transmission part so that the lock core and the transmission member can move toward each other; when the transmission member is in the target position, the matching member locks the member to be locked, and the transmission member is locked to the transmission part.

13. The locking mechanism according to claim 12, characterized in that: The transmission part includes a screw hole arranged on the lock core, and the transmission member includes a threaded section, which is threadedly matched with the screw hole. The operating member drives the transmission member to rotate by rotating, so that the transmission member is screwed into the screw hole of the lock core and locked.

14. The locking mechanism according to claim 5, characterized in that: The to-be-locked member comprises a housing portion, the housing portion is provided with a long slot, and the connecting member comprises a guide rod portion, the guide rod portion can be movably arranged in the long slot; In which, the guide rod portion is provided with a first assembly groove, the lock core can be movably installed in the first assembly groove, the side wall of the guide rod portion is provided with a first limiting groove connected with the first assembly groove and the long groove, the matching piece is provided in the first limiting groove, and the matching piece can move along the first limiting groove under the action of the lock core to cooperate with the lock core to resist the inner wall of the long groove.

15. The locking mechanism according to claim 14, characterized in that: The guide rod portion is further provided with a second assembly groove and a second limiting groove distributed along the first direction, the second assembly groove is communicated with the first assembly groove and is used to accommodate the transmission member; The second limiting groove is arranged between the first assembly groove and the second assembly groove, and the inner side wall of the second limiting groove forms a first abutment portion and a second abutment portion, and the first abutment portion and the second abutment portion are arranged at intervals in the first direction; the transmission member passes through the first assembly groove, the second limiting groove and the second assembly groove and is connected to the lock core, and the outer side wall of the transmission member is provided with a protrusion, the protrusion is located in the second limiting groove, and the two side surfaces of the protrusion in the first direction can respectively abut with the first abutment portion and the second abutment portion.

16. The locking mechanism according to claim 1 or 2, characterized in that: The connecting member comprises a first end and a second end, the first end and the second end are distributed along the second direction, the first end of the connecting member can be connected to the member to be locked, and the operating member is arranged at the end surface of the second end of the connecting member; or, The operating member can be subjected to an external force along the first direction or the second direction to drive the connecting member to move, so that the connecting member and the member to be locked can be in any relative position in the unlocked state.

17. A clamping device, characterized in that: include: Parts to be locked; as well as The locking mechanism according to any one of claims 1 to 16; The connecting member is connected to the member to be locked and is used to cooperate in clamping the clamped member. The connecting member and the member to be locked can clamp or release the clamped member by changing their relative positions.

18. A support device, characterized in that: include: Parts to be locked; The locking mechanism according to any one of claims 1 to 16, wherein the connecting member is connected to the member to be locked and is used to cooperate in clamping the display device, and the connecting member and the member to be locked can clamp or release the display device by changing their relative positions; A support member, one end of which is hinged to the connecting member or the member to be locked, the support member having a storage position and an extended position, and when the support member is in the extended position, the support member and the member to be locked form a support structure that enables the connecting member to be tilted and placed on a plane; as well as An adapter component connected to the connector, the adapter component being used for detachably connecting to the image transmission module; The display device is communicatively connected with the image transmission module and is used to display the image transmitted by the image transmission module.

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