Connecting lock, connecting device and display screen

Abstract

The utility model discloses a connecting lock, a connecting device and a display screen, the connecting device comprises the connecting lock, the connecting lock comprises a base, a first sleeve, a driving assembly and a lock rod, and the first sleeve is hinged to the base; the driving assembly is rotationally connected with the first sleeve; the lock rod is in threaded connection with the driving assembly, and when the driving assembly is rotated, the lock rod moves in the axial direction; the section, away from the driving assembly, of the lock rod is provided with a locking part, and the locking part protrudes out of the lock rod. According to the utility model, the connection lock and the lock seat can be connected or separated only by rotating the driving assembly, the operation is simple, and the connection lock and the lock seat are reliably connected.

Description

Technical Field

[0001] The utility model relates to the field of display screens, and in particular to a connection lock, a connection device and a display screen. Background Art

[0002] In order to have a large display screen in occasions such as stages and exhibitions, multiple display screens are generally spliced ​​together to form a large display screen. When splicing display screens, a connection lock is generally used. The inventor found that the current connection lock is complicated to operate and not simple enough. Utility Model Content

[0003] The problem to be solved by the utility model is that the existing connection locks are complicated to operate and not simple enough.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A connection lock, comprising:

[0006] A base and a first sleeve, wherein the first sleeve is hinged to the base;

[0007] A driving assembly, rotatably connected to the first sleeve;

[0008] The locking rod is threadedly connected to the driving assembly. When the driving assembly is rotated, the locking rod moves in the axial direction. A section of the locking rod away from the driving assembly has a locking portion, and the locking portion protrudes from the locking rod.

[0009] Furthermore, the driving assembly includes a screw rod, which is disposed in the first sleeve and is rotatably connected to the first sleeve; the locking rod is provided with a first threaded hole, and the screw rod is inserted into the first threaded hole for threaded connection.

[0010] Furthermore, the first sleeve is provided with a first groove, and the first groove extends in the circumferential direction; one end of the first connecting rod passes through the first groove and is connected to the screw rod.

[0011] Furthermore, the driving assembly also includes a second sleeve, the second sleeve is sleeved on the first sleeve, and the second sleeve can rotate relative to the first sleeve; the second sleeve is connected to the screw rod via the first connecting rod.

[0012] Furthermore, it also includes a locking structure, which is arranged between the first sleeve and the second sleeve, and the locking structure can achieve unlocking or locking between the first sleeve and the second sleeve.

[0013] Furthermore, the locking structure includes a locking piece, which is hinged to the second sleeve via a first pin; the first sleeve is provided with a third groove, and the locking piece is inserted into the third groove to achieve locking of the first sleeve and the second sleeve.

[0014] Furthermore, the locking rod is provided with a second groove, and the second groove extends axially; the first sleeve is provided with a guide protrusion, and the guide protrusion can slide in the second groove.

[0015] Furthermore, the locking portion includes a second pin shaft arranged at the end of the locking rod.

[0016] A connecting device comprises a lock seat and the above-mentioned connecting lock, wherein the lock seat has a lock groove, and the locking part is arranged in the lock groove.

[0017] A display screen, comprising:

[0018] A display screen, comprising a frame and a display module, wherein the display module is fixed on the frame;

[0019] The lock seat and the above-mentioned connecting lock are respectively arranged at opposite ends of the frame.

[0020] In summary, the beneficial effects of the utility model are:

[0021] The present application can realize the connection or separation between the connecting lock and the lock seat only by rotating the driving assembly, the operation is simple, and the connection between the connecting lock and the lock seat is reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the connection device;

[0023] Figure 2 is an exploded schematic diagram of the connection device;

[0024] Figure 3 A cross-sectional view of the connecting device. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] A display device includes a frame, a display module and a connecting device, wherein the display module is fixed to the frame. Specifically, the display module includes a lamp panel and a bottom shell (some display modules may also be without a bottom shell), and the lamp panel and the bottom shell are fixedly connected, such as being fixed by snapping or screwing. The lamp panel includes a circuit board and LED lamp beads mounted on the circuit board. In some embodiments, the frame is in the shape of a field, a mouth or a sun.

[0029] The connection device includes a connection lock and a lock seat 20. In some embodiments, the connection lock is arranged on the left side of the frame, and the lock seat 20 is arranged on the right side of the frame. When two adjacent display screens are spliced, the connection lock of one display screen is connected to the lock seat 20 of the other display screen, thereby realizing the splicing of the two adjacent display screens.

[0030] The connecting lock comprises a base 1, a first sleeve 2, a driving assembly and a locking rod 3, wherein the base 1 is fixed to the frame by screws. The first sleeve 2 is hinged to the base 1 via the third pin 4, and the third pin 4 is arranged along the radial direction of the first sleeve 2 so that the first sleeve 2 can rotate relative to the base 1. In some embodiments, a first torsion spring 5 is sleeved on the third pin 4, one end of the first torsion spring 5 abuts against the first sleeve 2, and the other end of the first torsion spring 5 abuts against the base 1. With the arrangement of the first torsion spring 5, after the first sleeve 2 rotates, it can automatically reset under the action of the first torsion spring 5. The driving assembly is rotatably connected to the first sleeve 2. A section of the locking rod 3 away from the driving assembly has a locking portion, and the locking portion protrudes from the locking rod 3. The lock seat 20 has a locking groove 21, and when the connecting lock is connected to the lock seat 20, the locking portion is arranged in the locking groove 21. The locking rod 3 is threadedly connected to the driving assembly. When the driving assembly is rotated, the locking rod 3 moves in the axial direction to achieve the locking portion being pressed against the locking groove 21 or being away from the locking groove 21. When the locking portion is pressed against the locking groove 21, the locking portion is stuck in the locking groove 21, thereby achieving the connection between the connecting lock and the lock seat 20. When the locking portion is away from the locking groove 21, the first sleeve 2 is rotated to lift the first sleeve 2, so that the connecting lock is separated from the lock seat 20. In the present application, the connection or separation between the connecting lock and the lock seat 20 can be achieved by only rotating the driving assembly, which is simple to operate, and the connection between the connecting lock and the lock seat 20 is reliable.

[0031] In some embodiments, the driving assembly includes a screw rod 6, which is disposed in the first sleeve 2 and is rotatably connected to the first sleeve 2; the locking rod 3 is provided with a first threaded hole, and the screw rod 6 is inserted into the first threaded hole and is threadedly connected. Specifically, the first sleeve 2 is provided with a first groove 201, and the first groove 201 extends in the circumferential direction; one end of the first connecting rod 7 passes through the first groove 201 and is connected to the screw rod 6. When the first connecting rod 7 is rotated, the first connecting rod 7 slides in the first groove 201, and the first connecting rod 7 drives the screw rod 6 to rotate. Because the base 1 is fixedly connected to the frame by screws, the first sleeve 2 is hinged to the base 1, and when the first connecting rod 7 is rotated, the first sleeve 2 cannot move in the axial direction. Since the first groove 201 extends in the circumferential direction, when the first connecting rod 7 is rotated, the screw rod 6 cannot move in the axial direction. Because the first groove 201 extends in the circumferential direction, when the first connecting rod 7 is rotated, the screw rod 6 cannot move in the axial direction. Because the screw rod 6 is threadedly connected to the locking rod 3, when the screw rod 6 is rotated, the locking rod 3 moves in the axial direction. The locking rod 3 moves in the axial direction to achieve the locking portion being pressed against the locking groove 21 or being away from the locking groove 21 .

[0032] In some embodiments, the drive assembly further includes a second sleeve 8, which is sleeved on the first sleeve 2 and can rotate relative to the first sleeve 2; the second sleeve 8 is connected to the screw rod 6 via the first connecting rod 7. In some embodiments, the first connecting rod 7 can be a threaded rod, which is inserted into the screw rod 6, and then both ends of the threaded rod are threadedly connected to the second sleeve 8. In some embodiments, the first connecting rod 7 can be a screw, which passes through the second sleeve 8 and the first groove 201 and is threadedly connected to the screw rod 6. When the second sleeve 8 is rotated, the screw rod 6 also rotates relative to the first sleeve 2 due to the restriction of the first groove 201, because the screw rod 6 is threadedly connected to the locking rod 3, when the screw rod 6 rotates, the locking rod 3 moves relative to the screw rod 6, so that the locking portion is pressed against the locking groove 21 or away from the locking groove 21.

[0033] In some embodiments, the second sleeve 8 further has a handle 801 , and the handle 801 protrudes from the second sleeve 8 . The handle 801 is configured to rotate the second sleeve 8 .

[0034] In some embodiments, the connection lock further includes a locking structure, which is disposed between the first sleeve 2 and the second sleeve 8, and the locking structure can realize unlocking or locking between the first sleeve 2 and the second sleeve 8. The setting of the locking structure can avoid misoperation, which may cause the connection lock to separate from the lock base 20.

[0035] In some embodiments, the locking structure includes a locking member 9, which is hinged to the second sleeve 8 via a first pin shaft 10; the first sleeve 2 is provided with a third slot 202, the locking member 9 is inserted into the third slot 202, and the second sleeve 8 cannot rotate relative to the first sleeve 2, thereby achieving the locking of the first sleeve 2 and the second sleeve 8. When unlocking, the locking member 9 is pressed, the locking member 9 rotates and tilts, the locking member 9 is pulled out from the third slot 202, and the second sleeve 8 can rotate relative to the first sleeve 2, thereby achieving the unlocking of the first sleeve 2 and the second sleeve 8. In some embodiments, a second torsion spring is sleeved on the first pin shaft 10, one end of the second torsion spring abuts against the locking member 9, and the other end of the second torsion spring abuts against the first sleeve 2. The second torsion spring is set, when the locking member 9 is not pressed, the locking member 9 will continue to be inserted into the third slot 202 under the action of the second torsion spring, thereby locking the first sleeve 2 and the second sleeve 8.

[0036] In some embodiments, the locking rod 3 is provided with a second groove 301, and the second groove 301 extends in the axial direction; the first sleeve 2 is provided with a guide protrusion, and the guide protrusion can slide in the second groove 301. The arrangement of the guide protrusion and the second groove 301 can ensure that the locking rod 3 slides in the axial direction when the screw rod 6 is rotated. In some embodiments, the guide protrusion is a guide screw 11 arranged on the first sleeve 2, and the first sleeve 2 is provided with a second threaded hole 203, and the guide screw 11 is threadedly connected with the second threaded hole 203, and the guide screw 11 passes through the second threaded hole 203 and extends into the second groove 301.

[0037] In some embodiments, the locking portion includes a second pin 12 disposed at the end of the locking rod 3. The second pin 12 is inserted into the locking rod 3, and the second pin 12 extends outside the locking rod 3, and the portion of the second pin 12 extending outside the locking rod 3 is disposed in the lock slot 21, thereby achieving the connection between the connection lock and the lock seat 20.

[0038] In some embodiments, the base 1 is provided with a positioning pin 13 , and the lock seat 20 is provided with a positioning hole, and the positioning pin 13 is inserted into the positioning hole, so as to realize the positioning of the connecting lock and the lock seat 20 .

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection lock, characterized in that: include: A base and a first sleeve, wherein the first sleeve is hinged to the base; A driving assembly, rotatably connected to the first sleeve; The locking rod is threadedly connected to the driving assembly. When the driving assembly is rotated, the locking rod moves in the axial direction. A section of the locking rod away from the driving assembly has a locking portion, and the locking portion protrudes from the locking rod.

2. A connection lock as claimed in claim 1, characterized in that: The driving assembly includes a screw rod, which is disposed in the first sleeve and is rotatably connected to the first sleeve; the locking rod is provided with a first threaded hole, and the screw rod is inserted into the first threaded hole for threaded connection.

3. A connection lock as claimed in claim 2, characterized in that: The first sleeve is provided with a first groove, and the first groove extends in the circumferential direction; one end of the first connecting rod passes through the first groove and is connected with the screw rod.

4. A connection lock as claimed in claim 3, characterized in that: The driving assembly also includes a second sleeve, which is sleeved on the first sleeve and can rotate relative to the first sleeve; the second sleeve is connected to the screw rod via the first connecting rod.

5. A connecting lock as claimed in claim 4, characterized in that: It also includes a locking structure, which is arranged between the first sleeve and the second sleeve, and the locking structure can achieve unlocking or locking between the first sleeve and the second sleeve.

6. A connecting lock as claimed in claim 5, characterized in that: The locking structure includes a locking member, which is hinged to the second sleeve via a first pin shaft; the first sleeve is provided with a third groove, and the locking member is inserted into the third groove to achieve locking of the first sleeve and the second sleeve.

7. A connecting lock as claimed in claim 1, characterized in that: The locking rod is provided with a second groove, and the second groove extends axially; the first sleeve is provided with a guide protrusion, and the guide protrusion can slide in the second groove.

8. A connecting lock as claimed in claim 1, characterized in that: The locking portion includes a second pin shaft arranged at the end of the locking rod.

9. A connection device, characterized in that: It comprises a lock seat and a connecting lock as claimed in any one of claims 1 to 8, wherein the lock seat has a lock groove, and the locking part is arranged in the lock groove.

10. A display screen, characterized in that: include: A frame and a display module, wherein the display module is fixed on the frame; A lock seat and a connecting lock as described in any one of claims 1-8, wherein the lock seat and the connecting lock are respectively arranged at opposite ends of the frame.

Images