Fixing mechanism of LED spliced display screen

Abstract

The utility model discloses a fixing mechanism of an LED spliced display screen, which comprises a mounting box, a first connecting plate, a second connecting plate and a third connecting plate are uniformly arranged in the mounting box, one end of the first connecting plate is fixedly connected with the interior of the mounting box, the second connecting plate and the third connecting plate are connected in the mounting box in a sliding manner, and the third connecting plate is connected with the mounting box in a sliding manner. Two first two-way threaded rods are symmetrically and rotationally connected to the two sides of the interior of the first connecting plate, the two first two-way threaded rods are in threaded connection with the second connecting plate and the third connecting plate, and after each splicing screen body is fixedly installed with the first connecting block, the second connecting block and the third connecting block, a servo motor is started to drive the first connecting block, the second connecting block and the third connecting block to rotate; a servo motor drives a second gear to rotate, two first bidirectional threaded rods rotate to drive a second connecting plate and a third connecting plate to draw close to a first connecting plate, and the second connecting plate and the third connecting plate drive the spliced screen body to be attached to the upper position and the lower position.

Description

Technical Field

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

[0002] The splicing screen is a complete finished product, ready to use, and the splicing and installation of single or multiple sub-screens are very simple. The splicing screen series products use unique and world-leading digital processing technology to allow users to truly experience the full HD large-screen effect. According to different usage requirements, the splicing screen can achieve a variety of large-screen functions that can be large or small, such as: single-screen split display, single-screen independent display, any combination display, full-screen LCD splicing, vertical screen display, etc.

[0003] The prior art CN216422355U discloses a seamless splicing fixing device for a spliced ​​screen. By holding a circular block and rotating the center rod, the center rod drives the spur gear to rotate counterclockwise, and the spur gear acts on two sets of racks in turn, so that the racks are stressed and the block is pulled back into the narrow groove, thereby facilitating the disassembly and installation of the spliced ​​screen and improving the assembly efficiency of the device.

[0004] However, the above technical solution has the disadvantage that each spliced ​​screen needs to be fixed individually, and the installation process is relatively cumbersome, time-consuming and labor-intensive. Therefore, it is necessary to design a fixing mechanism for the LED spliced ​​display screen. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing mechanism for an LED splicing display screen to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fixing mechanism of an LED splicing display screen, comprising an installation box, wherein a first connecting plate, a second connecting plate and a third connecting plate are evenly installed inside the installation box, one end of the first connecting plate is fixedly connected to the inside of the installation box, the second connecting plate and the third connecting plate are slidably connected in the installation box, two first bidirectional threaded rods are symmetrically rotatably connected on both sides inside the first connecting plate, the two first bidirectional threaded rods are threadedly connected to the second connecting plate and the third connecting plate, the upper ends of the two first bidirectional threaded rods pass through the installation box and are fixedly connected to two first gears, a servo motor is fixedly connected to the top of the installation box, and the output end of the servo motor is fixedly connected to the first Two gears, the first gear and the second gear are meshed with each other, a sliding groove is opened on the left side of the first connecting plate, the second connecting plate and the third connecting plate, the first connecting block, the second connecting block and the third connecting block are installed in the sliding groove, the first connecting block is fixedly connected in the sliding groove, the second connecting block and the third connecting block are slidably connected in the sliding groove, a rotating hole is opened on the right side of the sliding groove, a second two-way threaded rod is rotatably connected in the rotating hole, the second two-way threaded rod is rotatably connected to the first connecting plate, the second two-way threaded rod is threadedly connected to the second connecting plate and the third connecting plate, a first sliding opening is opened on the left side of the installation box, and the first connecting block, the second connecting block and the third connecting block are installed with a splicing screen body through the first sliding opening.

[0007] According to the above technical solution, the left ends of the first connecting block, the second connecting block and the third connecting block are symmetrically provided with first notches, a telescopic spring is fixedly connected in the first notch, and a round head clamping block is fixedly connected to the telescopic end of the telescopic spring.

[0008] According to the above technical solution, the limiting blocks are symmetrically fixedly connected on both sides of the round head clamping block, and limiting grooves are symmetrically opened on both sides inside the first notch, and the limiting blocks are slidably connected in the limiting grooves.

[0009] According to the above technical solution, a card slot is opened on the right side of the splicing screen body, and semicircular grooves are opened symmetrically up and down inside the card slot, and the round head end of the round head card block is clamped with the semicircular groove in the card slot.

[0010] According to the above technical solution, a second sliding opening is opened on the right side of the installation box, and the second bidirectional threaded rod passes through the second sliding opening and is fixedly connected to the rotating disk.

[0011] According to the above technical solution, a protective cover is fixedly connected to the outer sides of the first gear and the second gear above the installation box, and two support frames are fixedly connected to the rear side of the installation box, and installation holes are opened inside the support frames.

[0012] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: the utility model, the device is implemented by fixing each splicing screen body with the first connecting block, the second connecting block and the third connecting block, and then starting the servo motor, the servo motor drives the second gear to rotate, and the second gear is meshed with the first gear, and the rotation of the second gear drives the two first gears to rotate, and the two first gears drive the two first bidirectional threaded rods to rotate, and the two first bidirectional threaded rods are threadedly connected with the second connecting plate and the third connecting plate, and the rotation of the two first bidirectional threaded rods drives the second connecting plate and the third connecting plate to move closer to the first connecting plate, and the second connecting plate and the third connecting plate drive the splicing screen body to fit in the upper and lower positions, and then by rotating the second bidirectional threaded rod, the second bidirectional threaded rod drives the second connecting block and the third connecting block to move closer to the first connecting block, and the second connecting block and the third connecting block drive the splicing screen body to fit in the left and right positions for easy installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings 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 of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall right side cross-sectional structure of the utility model;

[0017] Figure 4 The utility model Figure 3 A in the enlarged view;

[0018] In the figure: 1, installation box, 2, first connecting plate, 3, second connecting plate, 4, third connecting plate, 5, first bidirectional threaded rod, 6, first gear, 7, servo motor, 8, second gear, 9, sliding groove, 10, first connecting block, 11, second connecting block, 12, third connecting block, 13, rotating hole, 14, second bidirectional threaded rod, 15, first sliding opening, 16, splicing screen body, 17, first notch, 18, telescopic spring, 19, round head block, 20, limit block, 21, limit groove, 22, slot, 23, semicircular groove, 24, second sliding opening, 25, rotating disk, 26, protective cover, 27, support frame, 28, installation hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4The utility model provides a technical solution: a fixing mechanism for an LED splicing display screen, comprising an installation box 1, wherein a first connecting plate 2, a second connecting plate 3 and a third connecting plate 4 are evenly installed inside the installation box 1, one end of the first connecting plate 2 is fixedly connected to the inside of the installation box 1, the second connecting plate 3 and the third connecting plate 4 are slidably connected in the installation box 1, two first bidirectional threaded rods 5 are symmetrically rotatably connected on both sides inside the first connecting plate 2, the two first bidirectional threaded rods 5 are threadedly connected to the second connecting plate 3 and the third connecting plate 4, the upper ends of the two first bidirectional threaded rods 5 pass through the installation box 1 and are fixedly connected to two first gears 6, and the upper end of the installation box 1 A servo motor 7 is fixedly connected, and a second gear 8 is fixedly connected to the output end of the servo motor 7. The first gear 6 and the second gear 8 are meshed with each other. A sliding groove 9 is opened on the left side of the first connecting plate 2, the second connecting plate 3 and the third connecting plate 4. A first connecting block 10, a second connecting block 11 and a third connecting block 12 are installed in the sliding groove 9. The first connecting block 10 is fixedly connected in the sliding groove 9, and the second connecting block 11 and the third connecting block 12 are slidably connected in the sliding groove 9. A rotating hole 13 is opened on the right side of the sliding groove 9. A second bidirectional threaded rod 14 is rotatably connected in the rotating hole 13. The second bidirectional threaded rod 14 is rotatably connected to the first connecting plate 2, and the second bidirectional threaded rod 14 is rotatably connected to the first connecting plate 2. The two bidirectional threaded rods 14 are threadedly connected with the second connecting plate 3 and the third connecting plate 4. The left side of the installation box 1 is provided with a first sliding opening 15. The first connecting block 10, the second connecting block 11 and the third connecting block 12 are provided with a splicing screen body 16 through the first sliding opening 15. After each splicing screen body 16 is fixedly installed with the first connecting block 10, the second connecting block 11 and the third connecting block 12, the servo motor 7 is started, and the servo motor 7 drives the second gear 8 to rotate. The second gear 8 is meshed with the first gear 6. The rotation of the second gear 8 drives the two first gears 6 to rotate. The two first gears 6 drive the two first bidirectional The threaded rod 5 rotates, and is threadedly connected with the second connecting plate 3 and the third connecting plate 4 through the two first bidirectional threaded rods 5. The rotation of the two first bidirectional threaded rods 5 drives the second connecting plate 3 and the third connecting plate 4 to move closer to the first connecting plate 2, and the second connecting plate 3 and the third connecting plate 4 drive the splicing screen body 16 to fit in the upper and lower positions, and then by rotating the second bidirectional threaded rod 14, the second bidirectional threaded rod 14 drives the second connecting block 11 and the third connecting block 12 to move closer to the first connecting block 10, and the second connecting block 11 and the third connecting block 12 drive the splicing screen body 16 to fit in the left and right positions for easy installation and disassembly;

[0021] according to Figure 4 As shown, the left ends of the first connecting block 10, the second connecting block 11 and the third connecting block 12 are symmetrically provided with first notches 17, a telescopic spring 18 is fixedly connected in the first notch 17, and a round head clamping block 19 is fixedly connected to the telescopic end of the telescopic spring 18;

[0022] according to Figure 4 As shown, the two sides of the round head block 19 are symmetrically fixedly connected to the limit blocks 20, and the two sides of the first notch 17 are symmetrically provided with limit grooves 21, and the limit blocks 20 are slidably connected in the limit grooves 21;

[0023] according to Figure 4 As shown, a card slot 22 is provided on the right side of the splicing screen body 16, and a semicircular groove 23 is symmetrically provided inside the card slot 22. The round head end of the round head card block 19 is engaged with the semicircular groove 23 in the card slot 22. By providing a telescopic spring 18, the telescopic spring 18 pushes the round head card block 19 to engage with the semicircular groove 23, so that the first connecting block 10, the second connecting block 11 and the third connecting block 12 can be fixedly connected to the splicing screen body 16. When disassembly is required, the splicing screen body 16 is directly pulled outward, and the round head card block 19 moves in the direction of the telescopic spring 18. The round head card block 19 and the semicircular groove 23 are staggered with each other, and the splicing screen body 16 can be disassembled;

[0024] according to Figure 2 As shown, a second sliding opening 24 is opened on the right side of the installation box 1, and the second bidirectional threaded rod 14 passes through the second sliding opening 24 and is fixedly connected to a rotating disk 25;

[0025] according to Figure 2 As shown, a protective cover 26 is fixedly connected to the outer sides of the first gear 6 and the second gear 8 above the installation box 1, and two support frames 27 are fixedly connected to the rear side of the installation box 1. The support frames 27 have mounting holes 28 inside. The device can be fixed to the wall through the mounting holes 28 inside the support frames 27;

[0026] When the utility model is used, by providing a telescopic spring 18, the telescopic spring 18 pushes the round head block 19 to engage with the semicircular groove 23, so that the first connecting block 10, the second connecting block 11 and the third connecting block 12 can be fixedly connected to the splicing screen body 16, and by starting the servo motor 7, the servo motor 7 drives the second gear 8 to rotate, and the second gear 8 and the first gear 6 are meshed with each other, and the rotation of the second gear 8 drives the two first gears 6 to rotate, and the two first gears 6 drive the two first bidirectional threaded rods 5 to rotate, and the two first bidirectional threaded rods 5 are threadedly connected with the second connecting plate 3 and the third connecting plate 4, and the rotation of the two first bidirectional threaded rods 5 drives the second connecting plate 3 and the third connecting plate 4 to rotate. The first connecting plate 2 is brought together, and the second connecting plate 3 and the third connecting plate 4 drive the splicing screen body 16 to fit in the upper and lower positions, and then by rotating the second bidirectional threaded rod 14, the second bidirectional threaded rod 14 drives the second connecting block 11 and the third connecting block 12 to move closer to the first connecting block 10, and the second connecting block 11 and the third connecting block 12 drive the splicing screen body 16 to fit in the left and right positions for easy installation and disassembly. The device can be fixed to the wall through the mounting hole 28 inside the support frame 27. The components of the device are all universal standard parts or components known to technical personnel in this field, and the structure and principle thereof can be known to technical personnel in this field through technical manuals or through conventional experimental methods.

[0027] 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.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixing mechanism for an LED splicing display screen, comprising a mounting box (1), characterized in that: The interior of the installation box (1) is evenly provided with a first connecting plate (2), a second connecting plate (3) and a third connecting plate (4); one end of the first connecting plate (2) is fixedly connected to the interior of the installation box (1); the second connecting plate (3) and the third connecting plate (4) are slidably connected in the installation box (1); two first bidirectional threaded rods (5) are symmetrically rotatably connected to the interior of the first connecting plate (2); the two first bidirectional threaded rods (5) are threadedly connected to the second connecting plate (3) and the third connecting plate (4); the upper ends of the two first bidirectional threaded rods (5) pass through the installation box (1) and are fixedly connected to two first gears (6); a servo motor (7) is fixedly connected to the top of the installation box (1); the output end of the servo motor (7) is fixedly connected to a second gear (8); the first gear (6) and the second gear (8) are meshed with each other; the first connecting plate (2), the second connecting plate (3) and the third connecting plate (4) are symmetrically rotatably connected to the interior of the first connecting plate (2); the two first bidirectional threaded rods (5) are threadedly connected to the second connecting plate (3) and the third connecting plate (4); the upper ends of the two first bidirectional threaded rods (5) pass through the installation box (1) and are fixedly connected to two first gears (6); a servo motor (7) is fixedly connected to the top of the installation box (1); the output end of the servo motor (7) is fixedly connected to the second gear (8); the first gear (6) and the second gear (8) are meshed with each other; A sliding groove (9) is provided on the left side of the three connecting plates (4), and a first connecting block (10), a second connecting block (11) and a third connecting block (12) are installed in the sliding groove (9); the first connecting block (10) is fixedly connected in the sliding groove (9), and the second connecting block (11) and the third connecting block (12) are slidably connected in the sliding groove (9); a rotating hole (13) is provided on the right side of the sliding groove (9), and a second bidirectional threaded rod (14) is rotatably connected in the rotating hole (13); the second bidirectional threaded rod (14) is rotatably connected to the first connecting plate (2), and the second bidirectional threaded rod (14) is threadedly connected to the second connecting plate (3) and the third connecting plate (4); a first sliding opening (15) is provided on the left side of the installation box (1), and a splicing screen body (16) is installed on the first connecting block (10), the second connecting block (11) and the third connecting block (12) through the first sliding opening (15).

2. The fixing mechanism of the LED splicing display screen according to claim 1 is characterized in that: The left ends of the first connecting block (10), the second connecting block (11) and the third connecting block (12) are symmetrically provided with first notches (17) in upper and lower directions, a telescopic spring (18) is fixedly connected inside the first notch (17), and a round-head clamping block (19) is fixedly connected to the telescopic end of the telescopic spring (18).

3. The fixing mechanism of the LED splicing display screen according to claim 2 is characterized in that: The two sides of the round head clamping block (19) are symmetrically fixedly connected to the limiting blocks (20), and the two sides of the first notch (17) are symmetrically provided with limiting grooves (21), and the limiting blocks (20) are slidably connected in the limiting grooves (21).

4. The fixing mechanism of the LED splicing display screen according to claim 3 is characterized in that: A card slot (22) is provided on the right side of the splicing screen body (16), and semicircular grooves (23) are symmetrically provided inside the card slot (22) in the upper and lower directions. The round head end of the round head card block (19) is card-engaged with the semicircular groove (23) in the card slot (22).

5. The fixing mechanism of the LED splicing display screen according to claim 4 is characterized in that: A second sliding opening (24) is opened on the right side of the installation box (1), and the second bidirectional threaded rod (14) passes through the second sliding opening (24) and is fixedly connected to a rotating disk (25).

6. The fixing mechanism of the LED splicing display screen according to claim 5, characterized in that: A protective cover (26) is fixedly connected to the outer sides of the first gear (6) and the second gear (8) above the installation box (1), and two support frames (27) are fixedly connected to the rear side of the installation box (1), and a mounting hole (28) is opened inside the support frame (27).

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