Lock catch device of LED display screen

Abstract

The utility model discloses a lock catch device of an LED display screen, and relates to the field of LED display screens, the lock catch device is arranged on a box body on the rear side of the display screen, the lock catch device comprises an up-and-down splicing lock, a clamping ring lock, a left-and-right splicing lock and a disc lock, the up-and-down splicing lock is used in cooperation with the clamping ring lock, and the left-and-right splicing lock is used in cooperation with the disc lock. The up-down splicing locks are arranged on the left and right sides of the upper end of the box body, the clamping ring locks are arranged on the left and right sides of the lower end of the box body, the left-right splicing lock is arranged on the left side of the box body, and the disc lock is arranged on the right side of the box body. According to the lock catch device, the up-down splicing lock is used in cooperation with the clamping ring lock, the left-right splicing lock is used in cooperation with the disc lock, when the lock catch device is used, the up-down splicing lock is inserted into the clamping ring lock and fixed, the left-right splicing lock is inserted into the disc lock and fixed, it is guaranteed that the lock catch device can be applied to the spliced LED display screen, the splicing mode is simple, and the splicing effect is good. The splicing efficiency is improved, the installation stability of all the edges is good, loosening and falling are not prone to occurring, and the using effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED display screens, in particular to a locking device for an LED display screen. Background Art

[0002] LED display: A flat panel display composed of small LED module panels. It is a display method that controls semiconductor light-emitting diodes. The diodes are made of compounds of gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N), and indium (In). When electrons and holes recombine, they can radiate visible light. Therefore, they can be used to make light-emitting diodes, which are used as indicator lights in circuits and instruments, or to form text or digital displays. Gallium arsenide phosphide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and indium gallium nitrogen diodes emit blue light.

[0003] At present, when LED display screens are connected to each other, they need to be connected to each other by a large number of bolts, which takes a lot of time and reduces the installation efficiency of the LED display screens. In addition, when spliced, the stability is poor and they are prone to loosening and falling off during use. Therefore, a locking device for an LED display screen is proposed. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a locking device for an LED display screen, which effectively solves the problem that the current LED display screens need to be connected to each other by a large number of bolts, which takes a lot of time and reduces the installation efficiency, and has poor stability during assembly, affecting people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a locking device for an LED display screen, the locking device is arranged on a box on the rear side of the display screen, wherein the locking device includes an upper and lower splicing lock, a snap ring lock, a left and right splicing lock and a disc lock, the upper and lower splicing locks are used in conjunction with the snap ring lock, the left and right splicing locks are used in conjunction with the disc lock, the upper and lower splicing locks are arranged on the left and right sides of the upper end of the box, the snap ring lock is arranged on the left and right sides of the lower end of the box, the left and right splicing locks are arranged on the left side of the box, and the disc lock is arranged on the right side of the box.

[0006] Preferably, the upper and lower spliced ​​lock includes a first lock core head, a first handle and a first spring, the first handle is arranged at the rear end of the first lock core head, the first spring is sleeved in the middle of the first lock core head, and a card slot is arranged at the front end of the first lock core head.

[0007] Preferably, the snap ring lock includes a mounting block, a clamping block and a second spring, the mounting block is mounted on the inner side of the box, the clamping block is inserted into the mounting block, the second spring is mounted in the mounting block, and a groove adapted to the clamping slot is provided on the lower side of the clamping block.

[0008] Preferably, the left-right spliced ​​lock includes a second lock core head and a second handle, the second handle is arranged at the rear end of the second lock core head, and an insertion rod is horizontally arranged at the front end of the second lock core head.

[0009] Preferably, the disc lock comprises a disc lock knob and a turntable, the bottom of the disc lock knob is fixedly connected to the turntable, and a plurality of slots adapted to the insertion rods are provided on the side of the turntable.

[0010] Preferably, the angle of each slot may be the same or different.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model discloses a locking device for an LED display screen, which mainly comprises an upper and lower splicing lock, a snap ring lock, a left and right splicing lock and a disc lock, wherein the upper and lower splicing locks are used in conjunction with the snap ring lock, and the left and right splicing locks are used in conjunction with the disc lock. When in use, the upper and lower splicing locks are inserted into and fixed in adjacent snap ring locks, and the left and right splicing locks are inserted into and fixed in adjacent disc locks, thereby ensuring that the locking device can be applied to spliced ​​LED display screens. The splicing method is simple, splicing efficiency is saved, display screen splicing is convenient, and each edge has good installation stability, is not easy to loosen or fall off, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The figures are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation on the present invention. In the drawings:

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a locking device for an LED display screen of the utility model;

[0015] Figure 2 This is a three-dimensional structural schematic diagram of another angle of a locking device of an LED display screen of the utility model;

[0016] Figure 3 The utility model is a structural schematic diagram of a snap ring lock of a locking device of an LED display screen.

[0017] In the figure: 1. box body; 2. upper and lower spliced ​​locks; 21. first lock core head; 22. first handle; 23. first spring; 24. slot; 3. snap ring lock; 31. mounting block; 32. block; 33. second spring; 34. groove; 4. left and right spliced ​​locks; 41. second lock core head; 42. second handle; 43. plug rod; 5. disc lock; 51. disc lock knob; 52. turntable; 53. slot. DETAILED DESCRIPTION

[0018] The utility model provides Figure 1-3 A locking device for an LED display screen is shown, and the locking device is arranged on a box body 1 on the rear side of the display screen. The locking device includes an upper and lower splicing lock 2, a snap ring lock 3, a left and right splicing lock 4 and a disc lock 5. The upper and lower splicing locks 2 are used in conjunction with the snap ring lock 3, and the left and right splicing locks 4 are used in conjunction with the disc lock 5. The upper and lower splicing locks 2 are arranged on the left and right sides of the upper end of the box body 1, the snap ring lock 3 is arranged on the left and right sides of the lower end of the box body 1, the left and right splicing locks 4 are arranged on the left side of the box body 1, and the disc lock 5 is arranged on the right side of the box body 1.

[0019] The utility model discloses a locking device for an LED display screen, which mainly comprises an upper and lower splicing lock 2, a snap ring lock 3, a left and right splicing lock 4 and a disc lock 5, wherein the upper and lower splicing lock 2 is used in conjunction with the snap ring lock 3, and the left and right splicing lock 4 is used in conjunction with the disc lock 5. When in use, the upper and lower splicing locks 2 are inserted into and fixed in the adjacent snap ring locks 3, and the left and right splicing locks 4 are inserted into and fixed in the adjacent disc locks 5, thereby ensuring that the locking device can be applied to the spliced ​​LED display screen, has a simple structure, is convenient for splicing the display screen, and has good installation stability at each edge, is not easy to loosen or fall off, and has a good use effect.

[0020] In a preferred embodiment, referring to Figure 1 and Figure 2 The upper and lower spliced ​​lock 2 of the lock device of the LED display screen includes a first lock core head 21, a first handle 22 and a first spring 23. The first handle 22 is arranged at the rear end of the first lock core head 21, the first spring 23 is sleeved in the middle of the first lock core head 21, and a slot 24 is arranged at the front end of the first lock core head 21. When installing, the first handle 22 is manually rotated to make the first lock core head 21 shrink inward, and the slot 24 at the front end is locked in the adjacent snap ring lock 3; when disassembling, the first handle 22 is rotated in the opposite direction to make the slot 24 escape from the snap ring lock 3.

[0021] In a preferred embodiment, referring to Figure 1 , Figure 2 and Figure 3The snap ring lock 3 of the locking device of the LED display screen includes a mounting block 31, a clamping block 32 and a second spring 33. The mounting block 31 is mounted on the inner side of the box body 1, the clamping block 32 is inserted in the mounting block 31, the second spring is mounted in the mounting block 31, and a groove 34 adapted to the clamping slot 24 is provided on the lower side of the clamping block 32. When installing, the first lock core head 21 of the upper and lower spliced ​​lock 2 is inserted into the mounting block 31, and then the clamping block 32 is pulled upward to make the groove on the lower side of the clamping block 32 stuck in the clamping slot 24; when disassembling, the clamping block 32 is pressed down to make the groove 34 on the lower side of the clamping block 32 fall out of the clamping slot 24.

[0022] In a preferred embodiment, referring to Figure 1 and Figure 2 The left and right spliced ​​locks 4 of the lock device of the LED display screen include a second lock core head 41 and a second handle 42. The second handle 42 is arranged at the rear end of the second lock core head 41, and a plug rod 43 is arranged horizontally at the front end of the second lock core head 41. When installing, the second handle 42 is manually rotated to make the second lock core head 41 shrink inward, and the plug rod 43 at the front end is stuck in the adjacent disc lock 5 for locking; when disassembling, the second handle 42 is rotated in the opposite direction to make the plug rod 43 escape from the disc lock 5.

[0023] In a preferred embodiment, referring to Figure 1 and Figure 2 The disc lock 5 of the locking device of the LED display screen includes a disc lock knob 51 and a turntable 52. The bottom of the disc lock knob 51 is fixedly connected to the turntable 52, and the side of the turntable 52 is provided with a plurality of slots 53 adapted to the plug rod 43. The angle of each slot 53 can be the same or different. During installation, the plug rod 43 of the second lock core head 41 is inserted into the slot 53 of the turntable 52, and then the second lock core head 41 is rotated 90°; during disassembly, the second lock core head 41 is rotated 90° in the opposite direction to make the plug rod 43 slip out of the slot 53. Among them, the slots are preferably set to five, and the angle of each slot 53 can be set to be the same or different. When the angle of the slots is set to different, the box can be assembled in different angle ranges, and the application range is wide.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking device for an LED display screen, the locking device is arranged on a box body at the rear side of the display screen, Features: The locking device includes an upper and lower splicing lock, a snap ring lock, a left and right splicing lock and a disc lock. The upper and lower splicing locks are used in conjunction with the snap ring lock, and the left and right splicing locks are used in conjunction with the disc lock. The upper and lower splicing locks are arranged on the left and right sides of the upper end of the box body, the snap ring lock is arranged on the left and right sides of the lower end of the box body, the left and right splicing locks are arranged on the left side of the box body, and the disc lock is arranged on the right side of the box body.

2. The locking device of the LED display screen according to claim 1, Features: The upper and lower spliced ​​lock includes a first lock core head, a first handle and a first spring. The first handle is arranged at the rear end of the first lock core head, the first spring is sleeved in the middle of the first lock core head, and a card slot is arranged at the front end of the first lock core head.

3. The locking device of the LED display screen according to claim 1, Features: The snap ring lock includes a mounting block, a clamping block and a second spring. The mounting block is mounted on the inner side of the box body, the clamping block is inserted into the mounting block, the second spring is mounted in the mounting block, and a groove adapted to the clamping slot is provided on the lower side of the clamping block.

4. The locking device of the LED display screen according to claim 1, Features: The left-right spliced ​​lock comprises a second lock core head and a second handle, wherein the second handle is arranged at the rear end of the second lock core head, and an insertion rod is horizontally arranged at the front end of the second lock core head.

5. The locking device of the LED display screen according to claim 1, Features: The disc lock comprises a disc lock knob and a rotating disk. The bottom of the disc lock knob is fixedly connected to the rotating disk, and a plurality of slots adapted to the insertion rods are arranged on the side of the rotating disk.

6. The locking device of the LED display screen according to claim 5, Features: The angles of each slot are the same or different.

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