Light-emitting diode (LED) small display screen box body flatness adjusting device

Abstract

The utility model relates to the technical field of display screens, and discloses an LED small display screen box body flatness adjusting device which comprises a box body and a plurality of small display screens located in the box body, and an installation frame used for installing the small display screens is installed in the box body. A plurality of connecting rods are arranged on the mounting frame in the length direction and the width direction, a circular adjusting ring is arranged at the joint of every two connecting rods, semicircular adjusting rings are arranged at the joints of the connecting rods and the mounting frame, and adjusting assemblies used for adjusting the small display screen are arranged on the lower portions of the circular adjusting rings and the lower portions of the semicircular adjusting rings; the lower portion of the circular adjusting ring and the lower portion of the semicircular adjusting ring are both provided with the adjusting cylinders, and the adjusting cylinders are connected with the first bolts through the fixing disc, so that the first bolts can move up and down on the fixing disc and adjust the corners of the small display screens, and the small display screens are in a flat state.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a device for adjusting the flatness of a box body of a small LED display screen. Background Art

[0002] LED display screens have the advantages of high brightness, splicing, flexibility, high efficiency and low consumption, and are widely used in sports, advertising, finance, exhibitions, transportation and other fields. Due to the influence of processing errors and assembly errors, the display screen is prone to steps after being assembled with the mounting base, resulting in unevenness. The reduction in the flatness of the display screen will lead to modularization, height difference and wavy feeling. At the same time, obvious bright and dark lines will appear when the display screen is lit, affecting people's perception of the entire screen. Therefore, it is necessary to adjust the flatness of the display screen.

[0003] When assembling a display screen, it is usually necessary to assemble several small display screens together so that multiple small display screens are assembled into a larger small display screen; however, there is often a disadvantage when assembling multiple small display screens. When multiple small display screens are spliced ​​at the corners, they usually become uneven, thus affecting the user's viewing experience.

[0004] Therefore, we propose a device for adjusting the flatness of a small LED display screen cabinet to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to solve the problem of unevenness when a plurality of small display screens are placed together.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for adjusting the flatness of a small LED display screen box, comprising a box and a plurality of small display screens located in the box, wherein a mounting frame for mounting the small display screens is installed inside the box, and the mounting frame is provided with a plurality of connecting rods along the length direction and the width direction, and a circular adjustment ring is provided at the connection between the two connecting rods, and a semicircular adjustment ring is provided at the connection between the connecting rod and the mounting frame, and the lower parts of the circular adjustment ring and the semicircular adjustment ring are provided with adjustment components for adjusting the small display screens.

[0007] Furthermore, the adjustment assembly includes an adjustment cylinder and a fixed plate fixed on the outer surface of the adjustment cylinder, and a plurality of first bolts are rotatably mounted on the fixed plate, and the top end of the first bolt is threadedly connected to a threaded seat fixed on the bottom of the small display screen.

[0008] Furthermore, a second bolt is installed on the internal thread of the adjustment cylinder, and a push plate for pushing the small display screen upward is fixed to the top of the second bolt.

[0009] Further; the upper portion of the box is provided with a placement groove, and the outer wall of the mounting frame is fixed with a placement block used in conjunction with the placement groove

[0010] Furthermore, a threaded hole is provided at the bottom of the placement groove, a through hole is provided on the placement block, and a third bolt is installed in the placement block for use in conjunction with the threaded hole.

[0011] Furthermore, the corners of the mounting frame are provided with mounting holes for mounting a small display screen.

[0012] Beneficial effects of the utility model:

[0013] The lower parts of the circular adjustment ring and the semicircular adjustment ring of the utility model are both provided with adjustment cylinders, and the adjustment cylinders are connected to a plurality of first bolts through a fixed plate, so that the first bolts can move on the fixed plate and adjust the corners of the small display screens up and down, so that the plurality of small display screens are in a flat state, reducing the unevenness caused by the small display screens being assembled, thereby improving the viewing experience of users.

[0014] The utility model has a second bolt installed in the inner thread of the adjustment cylinder. The second bolt can drive the push plate to move up and down during the rotation in the adjustment cylinder. The push plate contacts the corners of multiple small display screens to prevent the corners of the small display screens from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model after assembly;

[0016] Figure 2 It is a schematic diagram of the explosion structure in the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the installation frame in the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the regulating cylinder in the utility model;

[0019] Figure 5 It is a schematic diagram of the upward structure of the small and medium-sized display screen of the utility model.

[0020] The names corresponding to the marks in the figure are:

[0021] 1. Box body; 2. Small display screen; 3. Mounting frame; 4. Connecting rod; 5. Circular adjustment ring; 6. Semicircular adjustment ring; 7. Adjustment cylinder; 8. Fixed plate; 9. First bolt; 10. Threaded seat; 11. Second bolt; 12. Push plate; 13. Placement slot; 14. Placement block; 15. Threaded hole; 16. Third bolt; 17. Mounting hole. DETAILED DESCRIPTION

[0022] 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 belong to the scope of protection of the utility model.

[0023] A device for adjusting the flatness of a small LED display box comprises a box 1, wherein four sides of the upper portion of the box 1 are provided with placement grooves 13, and the bottom of each placement groove 13 is provided with a threaded hole 15, and placement blocks 14 are fixed to the outer side of a mounting frame 3, and the mounting frame 3 is respectively placed in the placement grooves 13 through a plurality of placement blocks 14, and the placement blocks 14 are provided with through holes, and third bolts 16 pass through the through holes on the placement blocks 14 and are threadedly connected to the threaded holes 15 at the bottom of the placement grooves 13, so that the box 1 and the mounting frame 3 can be fixed together, and installation holes 17 are provided at the corners of the mounting frame 3, and bolts pass through the installation holes 17 and are threadedly connected to the threaded seats 10 at the corners of the small display 2, so as to fix the small display 2.

[0024] A plurality of connecting rods 4 are arranged in the mounting frame 3 along the length and width directions, a circular adjustment ring 5 is fixed at the connection between two connecting rods 4, a semicircular adjustment ring 6 is fixed at the connection between each connecting rod 4 and the mounting frame 3, and adjustment components are installed at the lower part of the circular adjustment ring 5 and the lower part of the semicircular adjustment ring 6. It should be noted that the adjustment component located at the lower part of the circular adjustment ring 5 can adjust the corners of the four small display screens 2, and the adjustment component located at the lower part of the semicircular adjustment ring 6 can only adjust the corners of the two small flat small display screens 2.

[0025] Specifically, the adjustment component includes an adjustment cylinder 7, a fixed plate 8 is fixed on the outer surface of the adjustment cylinder 7, and a plurality of first bolts 9 are rotatably installed on the fixed plate 8. It should be noted that four first bolts 9 are rotatably installed on the fixed plate 8 located at the lower part of the circular adjustment ring 5, and the four first bolts 9 pass through the same circular adjustment ring 5 and are respectively threadedly connected to the threaded seats 10 at the corners of the small display screen 2. Two first bolts 9 are symmetrically rotatably installed on the fixed plate 8 located at the lower part of the semicircular adjustment ring 6, and the two first bolts 9 pass through the same semicircular adjustment ring 6 and are respectively threadedly connected to the threaded seats 10 at the corners of the small display screen 2, thereby being able to adjust the heights of the corners of multiple small display screens 2.

[0026] A second bolt 11 is installed on the internal thread of each adjustment cylinder 7, and a push plate 12 is fixed on the top of the second bolt 11. When the second bolt 11 is rotated on the internal thread of the adjustment cylinder 7, the push plate 12 can be moved out of the adjustment cylinder 7 and interfere with the corners of multiple small display screens 2, thereby playing a fixing role and preventing the small display screens 2 from shaking.

[0027] When the device is in use: first, align the threaded seat 10 on the small display screen 2 with the first bolt 9, and then pre-install the first bolt 9 in the threaded seat 10. If multiple small display screens 2 are pre-installed, the multiple first bolts 9 are rotated so that the first bolts 9 rotate in the threaded seat 10, so that the height of the small display screen 2 can be adjusted. If the corners of multiple small display screens 2 are aligned, the second bolt 11 is then rotated so that the second bolt 11 drives the push plate 12 to move upward during the rotation of the inner thread of the adjustment tube 7. The push plate 12 conflicts with the corners of the multiple small flat display screens 2, thereby fixing the multiple small display screens 2 and preventing the multiple small display screens 2 from shaking. After the installation of multiple small display screens 2 is completed, the placement blocks 14 on the installation frame 3 are respectively installed in the placement grooves 13, and the third bolts 16 are used to pass through the placement blocks 14 and threadedly connected with the threaded holes 15 on the placement grooves 13, thereby completing the work of fixing the box body 1 and the installation frame 3.

Claims

1. A device for adjusting the flatness of a small LED display screen box, comprising a box (1) and a plurality of small display screens (2) located in the box (1), characterized in that: A mounting frame (3) for mounting a small display screen (2) is installed inside the box (1), and a plurality of connecting rods (4) are arranged inside the mounting frame (3) along the length direction and the width direction, and a circular adjustment ring (5) is arranged at the connection between two connecting rods (4), and a semicircular adjustment ring (6) is arranged at the connection between the connecting rod (4) and the mounting frame (3), and adjustment components for adjusting the small display screen (2) are arranged at the bottom of the circular adjustment ring (5) and the semicircular adjustment ring (6).

2. The device for adjusting the flatness of a small LED display screen according to claim 1, characterized in that: The adjustment assembly comprises an adjustment cylinder (7) and a fixed disk (8) fixed to the outer surface of the adjustment cylinder (7), and a plurality of first bolts (9) are rotatably mounted on the fixed disk (8), and the top ends of the first bolts (9) are threadedly connected to a threaded seat (10) fixed to the bottom of the small display screen (2).

3. The device for adjusting the flatness of a small LED display screen box according to claim 2, characterized in that: The inner thread of the adjustment cylinder (7) is provided with a second bolt (11), and the top end of the second bolt (11) is fixed with a push plate (12) for pushing the small display screen (2) upward.

4. The device for adjusting the flatness of a small LED display screen according to claim 1, characterized in that: A placement groove (13) is provided on the upper part of the box body (1), and a placement block (14) used in conjunction with the placement groove (13) is fixed on the outer side wall of the installation frame (3).

5. The device for adjusting the flatness of a small LED display screen box according to claim 4, characterized in that: A threaded hole (15) is provided at the bottom of the placement groove (13), a through hole is provided on the placement block (14), and a third bolt (16) used in conjunction with the threaded hole (15) is installed in the through hole.

6. The device for adjusting the flatness of a small LED display screen according to claim 1, characterized in that: The corners of the installation frame (3) are provided with installation holes (17) for installing the small display screen (2).

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