CN212155350U

CN212155350U - Lock body and lock assembly

Info

Publication number: CN212155350U
Application number: CN202020714264.4U
Authority: CN
Inventors: 黄华东; 陆晨
Original assignee: Roe Visual Co ltd
Current assignee: Roe Visual Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-15
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a lock body and a lock assembly, wherein the lock body comprises a fixed seat, a lock rod, a handle and a sliding sleeve; the handle is connected with the sliding sleeve, and the sliding sleeve is arranged in the fixed seat in a sliding manner; the lock rod is arranged in the sliding sleeve, one end of the lock rod is a rotating end which is rotatably connected with the sliding sleeve, and the other end of the lock rod is provided with a lock head; the handle is provided with a contact part which is used for contacting the rotating end to drive the lock rod to rotate in the sliding sleeve. The lock body and the lock assembly provided by the utility model have few components, simple structure and convenient production and manufacture; the user operation is extremely simple and convenient, and the user experience is enhanced; the operation occupies less space, and is particularly suitable for products with thinner screens such as transparent screens; the size requirement for the installation environment is low, and the requirements for processing and installing precision of the display screen are reduced.

Description

Lock body and lock assembly

Technical Field

The utility model relates to a tool to lock technical field especially relates to a lock body and lock subassembly.

Background

The LED display screen box is formed by the concatenation of individual LED display screen frame, the LED display screen box is lighter, its connected mode has multiple choice, the connection of current LED display screen box generally adopts the bolt connection structure, it rotates to need promote earlier again usually when the operation, the locking is realized to two steps, it is comparatively inconvenient to operate, and the spare part that bolt connection structure relates to is numerous, the structure is complicated, in addition, when processing or installation have great error, the condition that locking is not in place probably appears in the bolt connection structure, lead to assembling the relatively poor problem of precision after the locking.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a lock body and a lock assembly which are easy to operate are provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a lock body comprises a fixed seat, a lock rod, a handle and a sliding sleeve;

the handle is connected with the sliding sleeve, and the sliding sleeve is arranged in the fixed seat in a sliding manner;

the lock rod is arranged in the sliding sleeve, one end of the lock rod is a rotating end which is rotatably connected with the sliding sleeve, and the other end of the lock rod is provided with a lock head;

the handle is provided with a contact part which is used for contacting the rotating end to drive the lock rod to rotate in the sliding sleeve.

Furthermore, the one end of handle is rotated with the one end of sliding sleeve and is connected, rotates the end and all sets up in the rotation junction of handle and sliding sleeve with conflict portion.

Furthermore, the fixing seat is provided with a concave part, and the end part of the handle is provided with a first cambered surface matched with the concave part of the fixing seat.

Furthermore, a first elastic piece for driving the lock rod to reset is arranged in the sliding sleeve, and the first elastic piece is arranged at the rotating connection position of the lock rod and the sliding sleeve.

Furthermore, the sliding sleeve is provided with a limiting groove arranged along the axial direction of the sliding sleeve, and the fixed seat is provided with a limiting piece matched with the limiting groove; or, the fixed seat is provided with a limit groove axially arranged along the sliding sleeve, and the sliding sleeve is provided with a limit part matched with the limit groove.

Furthermore, the limiting part is a positioning wave bead component, and at least one end of the limiting groove is provided with a positioning hole matched with the positioning wave bead component.

Furthermore, a second cambered surface is arranged on the abutting portion, and a third cambered surface matched with the second cambered surface is arranged on the rotating end.

Further, the second cambered surface is a concave cambered surface, and the third cambered surface is a convex cambered surface.

Furthermore, a limit button is rotatably arranged on the handle, one end of the limit button is an insertion end, and a slot matched with the insertion end is arranged at the corresponding position of the sliding sleeve.

In order to solve the technical problem, the utility model discloses still adopt following technical scheme: a lock assembly is used for connecting an LED display screen and comprises a lock seat and the lock body, wherein the lock seat comprises a lock plate with a lock hole, and a lock joint lock head is buckled on the lock plate through the lock hole.

The beneficial effects of the utility model reside in that: the lock body and the lock assembly provided by the utility model have few components, simple structure and convenient production and manufacture; the user operation is extremely simple and convenient, and the user experience is enhanced; the operation occupies less space, and is particularly suitable for products with thinner screens such as transparent screens; the size requirement for the installation environment is low, and the requirements for processing and installing precision of the display screen are reduced.

Drawings

Fig. 1 is a schematic structural diagram of a lock body according to a first embodiment of the present invention;

fig. 2 is an exploded view of a lock body according to a first embodiment of the present invention;

fig. 3 is an exploded view of a lock body according to a first embodiment of the present invention;

fig. 4 is a front view of a lock plate in a lock assembly according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view of a lock assembly according to a first embodiment of the present invention (unlocked, with the handle not rotated, and with the sliding sleeve not slid);

fig. 6 is a cross-sectional view of a lock assembly according to a first embodiment of the present invention (unlocked, when the sliding sleeve is not slid after the handle is turned);

fig. 7 is a cross-sectional view of a lock assembly according to a first embodiment of the present invention (unlocked, with the handle turned and the sliding sleeve slid);

fig. 8 is a cross-sectional view of a lock assembly according to a first embodiment of the present invention (after the lock assembly is locked by pressing down the turning handle).

Description of reference numerals:

1. a fixed seat; 2. a lock lever; 3. a handle; 4. a sliding sleeve; 5. a lock head is buckled; 51. a fastening groove; 52. a guide surface; 6. a contact part; 7. a locking plate; 8. a lock hole; 81. a locking zone; 82. an avoidance zone; 91. a first rotating shaft; 92. a second rotating shaft; 10. a recess; 11. a first arc surface; 12. a first elastic member; 13. a limiting groove; 14. a limiting member; 15. positioning holes; 16. a first inlet/outlet; 17. a second inlet/outlet; 18. a second arc surface; 19. a third cambered surface; 20. a limit button; 21. an insertion end; 22. a pressing head; 23. a second elastic member.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 8, a lock body includes a fixing base 1, a lock rod 2, a handle 3 and a sliding sleeve 4;

the handle 3 is connected with the sliding sleeve 4, and the sliding sleeve 4 is arranged in the fixed seat 1 in a sliding manner;

the lock rod 2 is arranged in the sliding sleeve 4, one end of the lock rod 2 is a rotating end which is rotatably connected with the sliding sleeve 4, and the other end of the lock rod 2 is provided with a lock head 5;

the handle 3 is provided with an abutting part 6 for abutting against the rotating end to drive the lock rod 2 to rotate in the sliding sleeve 4.

From the above description, the beneficial effects of the present invention are: the lock body provided by the utility model has few components, simple structure and convenient production and manufacture; the user operation is extremely simple and convenient, and the user experience is enhanced; the operation occupies less space, and is particularly suitable for products with thinner screens such as transparent screens; the size requirement for the installation environment is low, and the requirements for processing and installing precision of the display screen are reduced.

Further, the one end of handle 3 is rotated with the one end of sliding sleeve 4 and is connected, rotates end and conflict portion 6 and all sets up in the rotation junction of handle 3 with sliding sleeve 4.

As can be known from the above description, the rotation end and the abutting part 6 are arranged reasonably, so that the parts can be processed conveniently, and meanwhile, the lock rod 2 can be controlled by the handle 3 in a more labor-saving manner by the arrangement of the structure.

Furthermore, the fixing base 1 is provided with a concave portion 10, and the end portion of the handle 3 is provided with a first cambered surface 11 matched with the concave portion 10 of the fixing base 1.

As can be seen from the above description, during locking, the outer end face of the rotating end of the handle 3 will press the first cambered surface 11 after the handle 3 rotates, so as to provide a backward force to the handle 3, drive the lock rod 2 to move backward, and tighten the two display screens.

Further, a first elastic part 12 for driving the lock rod 2 to reset is arranged in the sliding sleeve 4, and the first elastic part 12 is arranged at the rotary connection position of the lock rod 2 and the sliding sleeve 4.

As apparent from the above description, the first elastic member 12 may be selected from a torsion spring and the like.

Furthermore, the sliding sleeve 4 is provided with a limit groove 13 arranged along the axial direction thereof, and the fixed seat 1 is provided with a limit piece 14 matched with the limit groove 13; or, the fixing seat 1 is provided with a limiting groove 13 axially arranged along the sliding sleeve 4, and the sliding sleeve 4 is provided with a limiting piece 14 matched with the limiting groove 13.

As can be seen from the above description, the arrangement of the limiting member 14 and the limiting groove 13 can make the sliding sleeve 4 slide more smoothly in the fixing base 1, and meanwhile, can prevent the sliding sleeve 4 from accidentally disengaging from the fixing base 1, which is beneficial to ensuring the working stability of the lock body.

Furthermore, the limiting member 14 is a positioning wave bead assembly, and at least one end of the limiting groove 13 is provided with a positioning hole 15 matched with the positioning wave bead assembly.

As can be seen from the above description, the positioning hole 15 matched with the positioning bead assembly can prevent the sliding sleeve 4 in the lock body from sliding unexpectedly relative to the fixed seat 1 (e.g. limit the sliding sleeve 4 to the initial position), which is convenient for the user to perform the subsequent operation.

Further, a second arc surface 18 is arranged on the abutting portion 6, and a third arc surface 19 matched with the second arc surface 18 is arranged on the rotating end.

Further, the second arc surface 18 is a concave arc surface, and the third arc surface 19 is a convex arc surface.

As can be seen from the above description, the second and third arc surfaces correspond to the guiding surface 52, which can ensure that the handle 3 can smoothly drive the lock rod 2 to rotate, and is beneficial to further improving the working stability of the lock body.

Furthermore, a limit button 20 is rotatably arranged on the handle 3, one end of the limit button 20 is an insertion end 21, and a slot matched with the insertion end 21 is arranged at a corresponding position of the sliding sleeve 4.

As can be seen from the above description, the arrangement of the limit button 20 can prevent the lock body from being unlocked accidentally by the user due to misoperation.

A lock assembly is used for connecting an LED display screen and comprises a lock seat and the lock body, wherein the lock seat comprises a lock plate 7 with a lock hole 8, and a lock head 5 is buckled on the lock plate 7 through the lock hole 8.

As can be seen from the above description, the lock assembly has the advantages of simple structure, convenient operation and good user experience.

Example one

Referring to fig. 1 to 8, a first embodiment of the present invention is: a lock assembly can be used for connecting LED display screens, for example, used for connecting two adjacent LED display screens. The lock assembly comprises a lock seat and a lock body, wherein the lock body comprises a fixed seat 1, a lock rod 2, a handle 3 and a sliding sleeve 4; the handle 3 is connected with the sliding sleeve 4, and the sliding sleeve 4 is arranged in the fixed seat 1 in a sliding manner; the lock rod 2 is arranged in the sliding sleeve 4, one end of the lock rod 2 is a rotating end which is rotatably connected with the sliding sleeve 4 through a first rotating shaft 91, and the other end of the lock rod 2 is provided with a lock joint lock head 5; the handle 3 is provided with a contact part 6 which is used for contacting the rotating end to drive the lock rod 2 to rotate in the sliding sleeve 4; the lock seat comprises a lock plate 7 with a lock hole 8, and the lock head 5 is buckled on the lock plate 7 through the lock hole 8. Specifically, the one end of handle 3 and the one end of sliding sleeve 4 are passed through second pivot 92 and are rotated and be connected, locking lever 2 the conflict portion 6 of rotation end and handle 3 all is close to and sets up in the rotation junction of handle 3 with sliding sleeve 4. More specifically, the locking head 5 includes a locking groove 51 for locking the edge of the locking hole 8 of the locking plate 7, in other words, the locking head 5 resembles a hook.

As shown in fig. 2 and 3, the fixing base 1 has a recess 10, and the end of the handle 3 is provided with a first arc surface 11 that matches with the recess 10 of the fixing base 1, in other words, one end of the handle 3 close to the fixing base 1 is a cam portion that matches with the recess 10 of the fixing base 1, and the first arc surface 11 is a wall surface of the cam portion.

As shown in fig. 5, a first elastic member 12 for driving the lock rod 2 to reset is arranged in the sliding sleeve 4, the first elastic member 12 is arranged at the rotational connection position of the lock rod 2 and the sliding sleeve 4, and the first elastic member 12 can be a torsion spring.

Referring to fig. 2 and 5, in the embodiment, the sliding sleeve 4 has a limiting groove 13 axially disposed thereon, and the fixing base 1 is provided with a limiting member 14 engaged with the limiting groove 13. Of course, in other embodiments, it is also possible that the limiting groove 13 is disposed on the fixing base 1 and the limiting element 14 is disposed on the sliding sleeve 4. In this embodiment, the limiting member 14 is a positioning bead assembly, and at least one end of the limiting groove 13 is provided with a positioning hole 15 matched with the positioning bead assembly. Preferably, the one end that handle 3 was kept away from to spacing groove 13 is equipped with locating hole 15, and when the lock body was in idle state/unused state, during locating part 14 stretched into spacing groove 13 and kept away from handle 3's locating hole 15, so can avoid the LED display screen at the transport, accomodate the in-process, unexpected the stretching out appears in locking lever 2, does benefit to reinforcing user experience.

Referring to fig. 5 to 8, it is easy to understand that a first inlet/outlet 16 for the locking rod 2 to enter and exit is disposed on a frame of the display screen provided with the lock body, and a second inlet/outlet 17 for the locking rod 2 to enter and exit is disposed on a frame of the display screen provided with the lock seat adjacent to the frame, so that the lock assembly can work more smoothly because the adjacent display screens are aligned accurately, in this embodiment, the sliding sleeve 4 in the lock body can extend into the second inlet/outlet 17 through the first inlet/outlet 16, that is, the aperture of the first inlet/outlet 16 and the aperture of the second inlet/outlet 17 are both larger than the outer diameter of the sliding sleeve 4; in more detail, the distance between the end surface of the fixing base 1 away from the handle 3 and the limiting member 14 is smaller than the length of the limiting groove 13. It can be seen that the above arrangement enables the sliding sleeve 4 to function as a guide.

Referring to fig. 2, fig. 3, fig. 5 and fig. 6, in order to ensure that the handle 3 can smoothly drive the lock rod 2 to rotate, the abutting portion 6 is provided with a second arc surface 18, and the rotating end is provided with a third arc surface 19 matching with the second arc surface 18. In detail, conflict portion 6 is including locating the conflict lug on handle 3 and locating the concave arc face on the conflict lug, concave arc face is promptly the second cambered surface 18, locking lever 2 rotate and serve and be equipped with the conflict arch, be equipped with convex arc face in the conflict arch, convex arc face is promptly third cambered surface 19. When handle 3 rotated, second cambered surface 18 on the conflict lug contacted and the pivoted was slided with third cambered surface 19 on the conflict arch for the conflict lug can press locking lever 2, let locking lever 2 pivoted perk an angle, handle 3 stands upright on sliding sleeve 4, promotes handle 3 this moment, makes handle 3 drive sliding sleeve 4 and slides on fixing base 1, thereby lets the lock joint tapered end 5 of locking lever 2 stretch into in the lockhole 8 of jam plate 7.

As shown in fig. 5, in order to prevent the locked lock assembly from being unlocked and loosened accidentally, a limit button 20 is rotatably disposed on the handle 3, one end of the limit button 20 is an insertion end 21, a corresponding position of the sliding sleeve 4 is provided with a slot matched with the insertion end 21, the other end of the limit button 20 is a pressing head 22, a second elastic member 23 for driving the reset button to reset is further disposed on the handle 3, the second elastic member 23 is used for keeping the insertion end 21 in the slot, and the second elastic member 23 can be a torsion spring.

Please refer to fig. 5 to 8, when using the lock assembly, the user rotates the handle 3 first, the handle 3 will touch the lock rod 2, so that the lock rod 2 swings at an angle in the through hole of the sliding sleeve 4, so that the lock-joint lock head 5 tilts, when the tilting height of the lock-joint lock head 5 can cross the edge of the lock hole 8 of the lock plate 7, the lock-joint lock head 5 can extend into the lock hole 8, so that the lock-joint groove 51 on the lock-joint lock head 5 is buckled with the edge of the lock hole 8, and then the handle 3 is rotated, the cam portion of the handle 3 and the supporting action of the fixed seat 1 will pull the sliding sleeve 4 to move back, so that the lock-joint lock head 5 and the lock plate 7 are locked.

In the lock body, the handle 3 rotates to realize the function of folding relative to the lock rod 2, the installation space of the lock body can be reduced, when the lock body is in an unlocking state, the handle 3 is placed in two states, one state is kept in the same straight line with the sliding sleeve 4, and the two states are bent relative to the sliding sleeve 4 and are not related to the locking state. When needed, the handle 3 is pushed to drive the sliding sleeve 4 to move, so that the lock rod 2 moves and swings at an angle to be buckled with the lock hole 8 on the lock plate 7, and locking can be achieved.

In the prior art, the lock head needs to pass through the lock hole on the lock seat more accurately when the lock head is locked in a rotating mode, so that the locking effect is achieved, the processing at the position needs higher precision, and otherwise, the problem of unsmooth operation exists. In the lock assembly, the handle 3 rotates to push the lock rod 2 to swing by itself by an angle which is about 7 degrees, and locking can be realized only by crossing the edge of the lock hole 8, so that the processing and mounting accuracy is not high, namely the matching requirement of the lock hole 8 on the lock head 5 and the lock seat is reduced, and the locking condition of the lock rod 2 during moving is avoided.

Referring to fig. 4 and fig. 5 to fig. 8, in detail, the locking hole 8 on the locking plate 7 includes a locking area 81 and an avoiding area 82, which are communicated with each other, the avoiding area 82 is located at one side of the locking area 81, the buckling groove 51 of the buckling lock head 5 is buckled with an edge of one side of the locking area 81, which is far away from the avoiding area 82, the avoiding area 82 is used for avoiding the buckled lock head 5 after rotation, in this embodiment, the avoiding area 82 is semicircular, and the locking area 81 is rectangular. In order to further facilitate the operation steps of the user, preferably, a guiding surface 52 is disposed on one side of the end surface of the lock-joint tapered end 5, and the guiding surface 52 is matched with an edge of one side of the locking region 81 away from the avoiding region 82, so that when the user controls the handle 3, even if the user does not rotate the lock rod 2 in place and starts to push the handle 3/the sliding sleeve 4, the edge of one side of the locking region 81 away from the avoiding region 82 can also force the lock rod 2 to continue to rotate through the interference with the guiding surface 52, so that the lock-joint tapered end 5 can smoothly pass through the lock hole 8, and the lock groove 51 can reach the preset position to complete the lock-joint, and then the handle 3 is pressed down to complete the locking of the lock body and the lock. Optionally, the guide surface 52 is a curved surface or a sloped surface.

In summary, the lock body and the lock assembly provided by the utility model have few components, simple structure and convenient production and manufacture; the user operation is extremely simple and convenient, and the user experience is enhanced; the operation occupies less space, and is particularly suitable for products with thinner screens such as transparent screens; the size requirement for the installation environment is low, and the requirements for processing and installing precision of the display screen are reduced.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A lock body is characterized in that: comprises a fixed seat, a lock rod, a handle and a sliding sleeve;

2. The lock body of claim 1, wherein: one end of the handle is rotatably connected with one end of the sliding sleeve, and the rotating end and the abutting part are both arranged at the rotating connection position of the handle and the sliding sleeve.

3. The lock body of claim 1, wherein: the fixing seat is provided with a concave part, and the end part of the handle is provided with a first cambered surface matched with the concave part of the fixing seat.

4. The lock body of claim 1, wherein: the sliding sleeve is internally provided with a first elastic piece for driving the locking rod to reset, and the first elastic piece is arranged at the rotating connection position of the locking rod and the sliding sleeve.

5. The lock body of claim 1, wherein: the sliding sleeve is provided with a limiting groove arranged along the axial direction of the sliding sleeve, and the fixed seat is provided with a limiting part matched with the limiting groove; or, the fixed seat is provided with a limit groove axially arranged along the sliding sleeve, and the sliding sleeve is provided with a limit part matched with the limit groove.

6. The lock body of claim 5, wherein: the limiting part is a positioning wave bead component, and at least one end of the limiting groove is provided with a positioning hole matched with the positioning wave bead component.

7. The lock body of claim 1, wherein: the second cambered surface is arranged on the abutting part, and the third cambered surface matched with the second cambered surface is arranged on the rotating end.

8. The lock body of claim 7, wherein: the second cambered surface is a concave cambered surface, and the third cambered surface is a convex cambered surface.

9. The lock body of claim 1, wherein: a limit button is rotatably arranged on the handle, one end of the limit button is an insertion end, and a slot matched with the insertion end is arranged at the corresponding position of the sliding sleeve.

10. A lock assembly for connection of an LED display screen, characterized in that: comprising a lock housing and a lock body according to any of claims 1 to 9, the lock housing comprising a lock plate with a lock aperture through which a lock cylinder is fastened to the lock plate.