LED display screen locking device

Abstract

The utility model discloses an LED display screen locking device, which relates to the technical field of LED display screens and comprises an LED display screen, a base is mounted on one side of the LED display screen, and a limiting component for limiting the display screen is mounted on one side of the base. A protection assembly used for protecting the springing device is installed on one face of the base. The LED display screens are limited through the limiting assembly, collision and unnecessary loss are avoided, the length is adjusted through the insertion assembly according to the positions of the two LED display screens, connection failure is avoided, a pull ring is pulled to drive a pull column, a push plate is driven through the pull column, a spring is pulled back through the push plate, and the LED display screens are fixed through the insertion assembly. The clamping block and the clamping groove are lifted through the pushing plate, the length of the drawing column is adjusted through the telescopic rod, the drawing column is inserted into the fixing groove, the pushing plate is jacked back through the spring, the clamping block and the clamping groove are driven through the pushing plate, the connecting column is clamped inside through the clamping groove to be prevented from falling off, and after being used, the connecting column is taken out and stored in the same way.

Description

Technical Field

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

[0002] LED display is a new type of imaging electronic device made of light-emitting diodes arranged in sequence. Due to its high brightness, wide viewing angle and long life, it is widely used in outdoor advertising and other products. It uses LED light sources for lighting, first replacing power-consuming incandescent lamps, and then gradually entering the entire lighting market, which will save a lot of electricity.

[0003] The widespread use of LED displays has also promoted the development of locking devices. LED displays are widely used in commercial displays, public information dissemination, performances and events, stadiums, hotels and resorts, and smart homes. In these application scenarios, LED displays need to be stably and reliably fixed in various positions to ensure their normal operation and display effects.

[0004] At present, many large screens on the market are composed of several small LED screens spliced ​​together, and most of the existing locking devices can only be used for locking and splicing in one direction, which is not convenient for our use scenarios. Most of the existing devices cannot splice LED screens at different distances, which will cause us great inconvenience. Most of the existing LED display screens can only be spliced ​​at fixed positions, which is not convenient for us to use in some special occasions.

[0005] Based on this, a LED display screen locking device is now provided to eliminate the drawbacks of the existing device. Utility Model Content

[0006] The utility model aims to provide a locking device for an LED display screen to solve the problems in the background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A locking device for an LED display screen includes a base, which is fixedly connected to the middle position of the back of the LED display screen. A fixing shell is installed on one side of the base. The number of the fixing shells is four and they are symmetrically installed at the center of the base. Slide grooves are opened on both sides of the inner wall of the fixing shell. A pull ring is installed on the other side of the fixing shell.

[0009] A limiting component for limiting the position of the display screen is installed on one side of the base;

[0010] A connecting component for connecting and locking the screen is arranged in the fixed shell.

[0011] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0012] In an optional solution: the limit assembly includes a stop groove, stop grooves are provided at both ends of the four side surfaces of the base, a limit rod is inserted between the stop grooves on two adjacent bases, and a plug-in assembly for plugging in the screen is also installed on one side of the base near the stop groove.

[0013] In an optional solution: the plug-in assembly includes a fixing groove, which is opened in the middle position of the four sides of the base, and a threaded rod is installed between the fixing grooves on two adjacent bases, the fixing groove is slidably connected to the threaded rod, and one end of the threaded rod is fixedly connected to a clamping block; a telescopic rod for adjusting the distance of the display screen is provided on one side of the base at the fixing groove.

[0014] In an optional scheme: the connecting component includes a pull-out column, which is installed on one side of the pull ring, and the pull-out column and the pull ring are fixedly connected. There are two pull-out columns, which are symmetrically installed in the center of the fixed shell. A push plate is fixedly connected to the bottom of the pull-out column, and a slider is installed on the outer wall of the push plate. There are two sliders, which are symmetrically installed on the middle line of the push plate. The slider is slidably connected to the slide groove, and a spring fixer is fixedly connected to the inside of the fixed shell. The pull-out column is slidably connected to the spring fixer, and a spring is installed at the position of the pull-out column between the push plate and the spring fixer.

[0015] A clamping assembly for clamping the clamping block is installed at the bottom of the pushing plate.

[0016] In an optional solution: the telescopic rod includes a threaded sleeve, and both ends of the threaded sleeve are threadedly connected to the threaded rod.

[0017] In an optional solution: the clamping assembly includes a clamping block, the clamping block is installed at the bottom of the pushing plate, and a clamping slot is formed at one end of the clamping block.

[0018] In an optional solution: the inner wall of the clamping groove matches the diameter of the clamping block.

[0019] In an optional solution: one end of the threaded rod is located at the clamping block and is designed as a groove.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. The utility model drives the drawing column by pulling the pull ring, drives the pushing plate by the drawing column, squeezes the spring by the pushing plate, drives the card block by the pushing plate, and drives the card slot by the card block, thereby achieving the function of drawing the card slot.

[0022] 2. The utility model can adjust the length of the connecting column for installation according to different application scenarios by rotating the telescopic rod through the threaded rod and the threaded sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0025] Figure 3 It is a schematic diagram of the internal installation structure of the pulling device of the utility model.

[0026] Figure 4 This is a schematic diagram of the installation structure of the telescopic rod of the utility model.

[0027] Notes on the accompanying drawings: 1. LED display screen; 2. Base; 3. Pull ring; 4. Fixed shell; 5. Fixed groove; 6. Stop groove; 7. Limit rod; 8. Telescopic rod; 81. Threaded sleeve; 82. Threaded rod; 10. Slide groove; 11. Spring fixer; 12. Spring; 13. Pull-out column; 14. Slider; 15. Push plate; 16. Block; 17. Slot; 18. Snap block. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] In one embodiment, Figure 1-Figure 4 As shown, a locking device for an LED display screen includes a base 2, which is fixedly connected to the middle position of the back of an LED display screen 1. A fixing shell 4 is installed on one side of the base 2. The number of the fixing shells 4 is four and they are symmetrically installed at the center of the base 2. Slide grooves 10 are opened on both sides of the inner wall of the fixing shell 4, and a pull ring 3 is installed on the other side of the fixing shell 4. Display screens in different directions can be connected through the four fixing shells 4.

[0030] In this embodiment, a limit assembly for limiting the display screen is installed on one side of the base 2; the limit assembly includes a stop groove 6, and stop grooves 6 are provided at both ends of the four side surfaces of the base 2, and a limit rod 7 is inserted between the stop grooves 6 on two adjacent bases 2; the stop grooves 6 and the limit rod 7 can effectively limit the LED display screen 1 to avoid unnecessary bumps and unnecessary damage.

[0031] In one embodiment, Figure 1As shown, a plug-in component for plugging in a screen is also installed on one side of the base 2 near the stop groove 6; the plug-in component includes a fixing groove 5, which is opened in the middle position of the four sides of the base 2, and a threaded rod 82 is installed between the fixing grooves 5 on two adjacent bases 2, and the fixing groove 5 is slidably connected to the threaded rod 82, and one end of the threaded rod 82 is fixedly connected to a clamping block 18; the fixing groove 5 can better limit the threaded rod 82 to avoid the situation where the desired position cannot be reached.

[0032] In one embodiment, Figure 2 and Figure 3 As shown, a connecting component for connecting and locking the screen is provided in the fixed shell 4; the connecting component includes a pull-out column 13, the pull-out column 13 is installed on one side of the pull ring 3, the pull-out column 13 and the pull ring 3 are fixedly connected, the number of the pull-out columns 13 is two, and they are symmetrically installed at the center of the fixed shell 4; a push plate 15 is fixedly connected to the bottom of the pull-out column 13, and a slider 14 is installed on the outer wall of the push plate 15, the number of the sliders 14 is two, and they are symmetrically installed about the middle line of the push plate 15, the slider 14 is slidably connected to the slide groove 10, and a spring fixer 11 is fixedly connected to the inside of the fixed shell 4, the pull-out column 13 is slidably connected to the spring fixer 11, and a spring 12 is installed at a position of the pull-out column 13 between the push plate 15 and the spring fixer 11; the pull-out column 13 is driven by the pull ring 3, the push plate 15 is driven by the pull-out column 13, and the spring 12 is driven by the push plate 15, so that the push plate 15 can be effectively reciprocated.

[0033] In one embodiment, Figure 4 As shown, a telescopic rod 8 for adjusting the distance of the display screen is provided at a fixed groove on one side of the base; the telescopic rod 8 includes a threaded sleeve 81, and both ends of the threaded sleeve 81 are threadedly connected with a threaded rod 82; the length of the threaded rod 82 can be adjusted by the threads at both ends of the threaded sleeve 81.

[0034] In one embodiment, Figure 3 As shown, a clamping assembly for clamping the clamping block 18 is installed at the bottom of the pushing plate 15; the clamping assembly includes a clamping block 16, which is installed at the bottom of the pushing plate 15, and a clamping slot 17 is opened at one end of the clamping block 16; the clamping block 16 is driven by the pushing plate 15, and the clamping slot 17 is driven by the clamping block 16, and the clamping block 18 can be clamped by the clamping slot 17;

[0035] In one embodiment, Figure 3 As shown, the inner wall of the clamping groove 17 matches the diameter of the clamping block 18; the matching design can effectively avoid the situation where the clamping block 18 cannot be fixed due to the difference in size.

[0036] In one embodiment, Figure 4 As shown, one end of the threaded rod 82 is located at the clamping block 18 and is designed as a groove; through the design of the groove, the threaded rod 82 can be effectively clamped to prevent it from slipping.

[0037] The above embodiment discloses a locking device for an LED display screen, wherein the length of the threaded rod 82 is adjusted by the threads at both ends of the threaded sleeve 81. After the length is adjusted to a suitable length, the limit rod 7 is inserted into the stop groove 6 to limit the LED display screen to avoid collision between the display screens. The threaded rod 82 is inserted into the fixing groove 5, and the pull ring 3 is pulled to drive the pull column 13, and the pull column 13 drives the push plate 15, and the push plate 15 drives the clamping block 16, the clamping groove 17 and the spring 12. After the threaded rod 82 is inserted, the pull ring 3 is released, and the push plate 15 is pushed by the spring 12, and the clamping block 16 is driven by the push plate 15, and the clamping groove 17 is driven by the clamping block 16. The groove of the threaded rod 82 is located at the clamping block 18 and is clamped by the clamping groove 17, so that the LED display screen 1 can be effectively locked.

[0038] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A LED display screen locking device, comprising a base (2), characterized in that: The base (2) is fixedly connected to the middle position of the back of the LED display screen (1); a fixed shell (4) is installed on one side of the base (2); the number of the fixed shells (4) is four and they are symmetrically installed at the center of the base (2); sliding grooves (10) are provided on both sides of the inner wall of the fixed shell (4); and a pull ring (3) is installed on the other side of the fixed shell (4); A limiting component for limiting the position of the display screen is installed on one side of the base (2); A connection component for connecting and locking the screen is arranged inside the fixed shell (4).

2. The LED display screen locking device according to claim 1, characterized in that: The limiting assembly comprises a stop groove (6), and the stop grooves (6) are provided at both ends of the four side surfaces of the base (2), and a limit rod (7) is inserted between the stop grooves (6) on two adjacent bases (2), and a plug-in assembly for plugging in a screen is also installed on one side of the base (2) close to the stop groove (6).

3. The LED display screen locking device according to claim 2, characterized in that: The plug-in assembly comprises a fixing groove (5), the fixing groove (5) being arranged at the middle position of four side surfaces of the base (2), a threaded rod (82) being installed between the fixing grooves (5) on two adjacent bases (2), the fixing groove (5) being slidably connected to the threaded rod (82), one end of the threaded rod (82) being fixedly connected to a clamping block (18); a telescopic rod (8) for adjusting the distance of a display screen is provided on one side of the base (2) at the fixing groove (5).

4. The LED display screen locking device according to claim 1, characterized in that: The connecting assembly comprises a pull-out column (13), the pull-out column (13) is installed on one side of the pull ring (3), the pull-out column (13) and the pull ring (3) are fixedly connected, the number of the pull-out columns (13) is two, and they are symmetrically installed at the center of the fixed shell (4), the bottom of the pull-out column (13) is fixedly connected with a push plate (15), the outer wall of the push plate (15) is installed with a slider (14), the number of the slider (14) is two, and they are symmetrically installed at the middle line of the push plate (15), the slider (14) is slidably connected to the slide groove (10), the interior of the fixed shell (4) is fixedly connected with a spring fixer (11), the pull-out column (13) is slidably connected to the spring fixer (11), and the pull-out column (13) is installed with a spring (12) at a position between the push plate (15) and the spring fixer (11); A clamping assembly for clamping the clamping block (18) is installed at the bottom of the push plate (15).

5. The LED display screen locking device according to claim 3, characterized in that: The telescopic rod (8) comprises a threaded sleeve (81), and both ends of the threaded sleeve (81) are threadedly connected to a threaded rod (82).

6. The LED display screen locking device according to claim 4, characterized in that: The clamping assembly comprises a clamping block (16), which is mounted on the bottom of the pushing plate (15), and a clamping slot (17) is provided at one end of the clamping block (16).

7. The LED display screen locking device according to claim 6, characterized in that: The inner wall of the clamping groove (17) matches the diameter of the clamping block (18).

8. The LED display screen locking device according to claim 5, characterized in that: One end of the threaded rod (82) is located at the clamping block (18) and is designed as a groove.

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