LED large screen back frame

Abstract

The utility model relates to the technical field of LED large screens, and discloses an LED large screen back frame which comprises a fixing plate, telescopic cylinders and first connecting rods, the telescopic cylinders are installed on the two sides of the lower portion of the fixing plate, the first connecting rods are installed between the telescopic cylinders, sliding devices are installed below the telescopic cylinders, and the first connecting rods are installed between the telescopic cylinders. The sliding device comprises first sliding rods, second connecting rods and second sliding rods, the first sliding rods are installed in the telescopic cylinder, the second connecting rods are installed between the multiple first sliding rods, the second sliding rods are installed in the first sliding rods, and third connecting rods are installed between the multiple second sliding rods. Connecting blocks are mounted on one sides of the multiple first sliding rods and one sides of the multiple second sliding rods; the size of the device can be conveniently adjusted according to LED large screens of different sizes, the LED large screens can be conveniently used, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED large screens, and specifically to a LED large screen back frame. Background Art

[0002] With the mature development of LED display technology, LED display screens are increasingly used in various public places.

[0003] After searching, the Chinese patent authorization announcement number CN 221145873 U, announcement date June 14, 2024, discloses a quick-release back frame for installing a large LED screen. The article proposes "a frame and a connecting assembly, wherein the frame includes two groups of support columns, and the upper and lower ends of the two groups of support columns are respectively fixedly connected to a mounting top plate and a mounting bottom plate." The device structure is fixed, and it is inconvenient to adjust the size of the device according to the size of the large LED screen, which reduces the applicability of the device. In view of this, in-depth research was conducted on the above-mentioned problems, and this case was generated. Utility Model Content

[0004] The purpose of this utility model is to provide a large LED screen back frame to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a LED large screen back frame, comprising a fixing plate, a telescopic cylinder and a first connecting rod, a plurality of telescopic cylinders are installed on both sides below the fixing plate, a first connecting rod is installed between the plurality of telescopic cylinders, and a sliding device is installed below the telescopic cylinder;

[0006] The sliding device includes a first sliding rod, a second connecting rod and a second sliding rod. The first sliding rod is installed inside the telescopic cylinder, the second connecting rod is installed between multiple first sliding rods, the second sliding rod is installed inside the first sliding rod, and the third connecting rod is installed between multiple second sliding rods. Connecting blocks are installed on one side of the multiple first sliding rods and one side of the multiple second sliding rods, first mounting blocks are installed on the other side of the multiple first sliding rods and the other side of the multiple second sliding rods, and a second mounting block is installed on one side of the fixed plate. Multiple circular holes are installed on the outer walls of the multiple telescopic cylinders and the outer walls of the multiple first sliding rods, and threaded columns are provided on the inner sides of the circular holes.

[0007] Preferably, the fixing plate and the telescopic cylinder are arranged perpendicular to each other, and the plurality of telescopic cylinders are arranged parallel to each other.

[0008] Preferably, the telescopic cylinder is fixedly connected to the first connecting rod, and the telescopic cylinder is slidably connected to the first sliding rod.

[0009] Preferably, the first sliding rod is fixedly connected to the second connecting rod, and the first sliding rod is slidably connected to the second sliding rod.

[0010] Preferably, the second connecting rod is arranged parallel to the third connecting rod and the first connecting rod, and the second sliding rod is fixedly connected to the third connecting rod.

[0011] Preferably, the circular holes are integrated with the telescopic tube and the first sliding rod, and the circular holes and the threaded column are correspondingly arranged.

[0012] Preferably, the connection blocks are fixedly connected to the first sliding rod and the second sliding rod, and one side of the plurality of connection blocks is on the same horizontal line as one side of the fixing plate.

[0013] Preferably, the first mounting block is fixedly connected to the first sliding rod and the second sliding rod, and the fixing plate is fixedly connected to the second mounting block.

[0014] Preferably, outer sides of the plurality of first mounting blocks are on the same horizontal line as outer sides of the second mounting blocks.

[0015] Preferably, the threaded column is threadedly connected to the first sliding rod and the second sliding rod.

[0016] Compared with the prior art, the beneficial effects of this invention are:

[0017] By setting a first sliding rod, a second connecting rod and a second sliding rod, the user pulls the third connecting rod to drive the second sliding rod to slide inside the first sliding rod, the second sliding rod drives the first sliding rod to slide inside the telescopic tube, and the first sliding rod drives the second connecting rod to slide, thereby increasing the area of ​​the device so as to adjust the size of the device according to different sizes of LED screens so as to use the LED screen and improve the applicability of the device. Then the user uses multiple threaded columns to pass through corresponding round holes and respectively threadably connect the first sliding rod and the second sliding rod to fix the device, and one side of the connecting block is fixed to the LED screen, and the first mounting block and the second mounting block are fixed to the wall so that the LED screen can be used. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a front view structural diagram of the sliding device used in the utility model;

[0021] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0022] Figure 4 It is a partial top view structural schematic diagram of the sliding device of the utility model.

[0023] In the figure: 1, fixed plate; 2, telescopic cylinder; 3, first connecting rod; 4, sliding device; 401, first sliding rod; 402, second connecting rod; 403, second sliding rod; 404, third connecting rod; 406, round hole; 407, threaded column; 408, connecting block; 409, first mounting block; 410, second mounting block. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0027] See also Figure 1-4 The utility model provides a technical solution for a LED large screen back frame: a LED large screen back frame, comprising a fixed plate 1, a telescopic cylinder 2 and a first connecting rod 3, a plurality of telescopic cylinders 2 are installed on both sides below the fixed plate 1, a first connecting rod 3 is installed between the plurality of telescopic cylinders 2, and a sliding device 4 is installed below the telescopic cylinder 2;

[0028] The sliding device 4 includes a first sliding rod 401, a second connecting rod 402 and a second sliding rod 403. The first sliding rod 401 is installed inside the telescopic cylinder 2, and the second connecting rod 402 is installed between multiple first sliding rods 401. The second sliding rod 403 is installed inside the first sliding rod 401, and the third connecting rod 404 is installed between multiple second sliding rods 403. Connecting blocks 408 are installed on one side of the multiple first sliding rods 401 and one side of the multiple second sliding rods 403, and first mounting blocks 409 are installed on the other side of the multiple first sliding rods 401 and the other side of the multiple second sliding rods 403. A second mounting block 410 is installed on one side of the fixed plate 1, and multiple circular holes 406 are installed on the outer walls of the multiple telescopic cylinders 2 and the outer walls of the multiple first sliding rods 401, and threaded columns 407 are provided on the inner sides of the circular holes 406.

[0029] During use, the user pulls the third connecting rod 404 to drive the second sliding rod 403 to slide inside the first sliding rod 401, and the second sliding rod 403 drives the first sliding rod 401 to slide inside the telescopic cylinder 2, and the first sliding rod 401 drives the second connecting rod 402 to slide, thereby increasing the area of ​​the device so as to adjust the size of the device according to different sizes of LED screens so as to use the LED screen and improve the applicability of the device. Then the user uses multiple threaded columns 407 to pass through the corresponding circular holes 406 and respectively threadedly connect them to the first sliding rod 401 and the second sliding rod 403 to fix the device, and one side of the connecting block 408 is fixed to the LED screen, and the first mounting block 409 and the second mounting block 410 are fixed to the wall, making the device more stable and convenient for using the LED screen.

[0030] The fixed plate 1 and the telescopic cylinder 2 are arranged perpendicular to each other, and the plurality of telescopic cylinders 2 are arranged parallel to each other.

[0031] The telescopic cylinder 2 and the first connecting rod 3 are fixedly connected, and the telescopic cylinder 2 and the first sliding rod 401 are slidably connected.

[0032] The first sliding rod 401 and the second connecting rod 402 are fixedly connected, and the first sliding rod 401 and the second sliding rod 403 are slidably connected.

[0033] The second connecting rod 402 is arranged parallel to the third connecting rod 404 and the first connecting rod 3 , and the second sliding rod 403 is fixedly connected to the third connecting rod 404 .

[0034] The circular holes 406 are integrated with the telescopic tube 2 and the first sliding rod 401 , and the circular holes 406 and the threaded columns 407 are correspondingly arranged.

[0035] The connection blocks 408 are fixedly connected to the first sliding rod 401 and the second sliding rod 403 , and one side of the plurality of connection blocks 408 is on the same horizontal line as one side of the fixing plate 1 .

[0036] The first mounting block 409 is fixedly connected to the first sliding rod 401 and the second sliding rod 403 , and the fixing plate 1 is fixedly connected to the second mounting block 410 .

[0037] The outer sides of the plurality of first mounting blocks 409 and the outer sides of the second mounting blocks 410 are on the same horizontal line.

[0038] The threaded column 407 is threadedly connected to the first sliding rod 401 and the second sliding rod 403 .

[0039] 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 LED large screen back frame, comprising a fixing plate (1), a telescopic cylinder (2) and a first connecting rod (3), characterized in that: A plurality of telescopic cylinders (2) are installed on both sides below the fixed plate (1), a first connecting rod (3) is installed between the plurality of telescopic cylinders (2), and a sliding device (4) is installed below the telescopic cylinders (2); The sliding device (4) comprises a first sliding rod (401), a second connecting rod (402) and a second sliding rod (403); the first sliding rod (401) is installed inside the telescopic cylinder (2); a second connecting rod (402) is installed between a plurality of the first sliding rods (401); a second sliding rod (403) is installed inside the first sliding rod (401); a third connecting rod (404) is installed between a plurality of the second sliding rods (403); a plurality of the first sliding rods (401) A connecting block (408) is installed on one side of the plurality of first sliding rods (401) and one side of the plurality of second sliding rods (403); a first mounting block (409) is installed on the other side of the plurality of first sliding rods (401) and the other side of the plurality of second sliding rods (403); a second mounting block (410) is installed on one side of the fixing plate (1); and a plurality of circular holes (406) are installed on the outer walls of the plurality of telescopic cylinders (2) and the outer walls of the plurality of first sliding rods (401); and a threaded column (407) is provided on the inner side of the circular hole (406).

2. The LED large screen back frame according to claim 1, characterized in that: The fixed plate (1) and the telescopic cylinder (2) are arranged perpendicular to each other, and the plurality of telescopic cylinders (2) are arranged parallel to each other.

3. The LED large screen back frame according to claim 2, characterized in that: The telescopic cylinder (2) and the first connecting rod (3) are fixedly connected, and the telescopic cylinder (2) and the first sliding rod (401) are slidably connected.

4. The LED large screen back frame according to claim 3, characterized in that: The first sliding rod (401) and the second connecting rod (402) are fixedly connected, and the first sliding rod (401) and the second sliding rod (403) are slidably connected.

5. The LED large screen back frame according to claim 4, characterized in that: The second connecting rod (402) is arranged parallel to the third connecting rod (404) and the first connecting rod (3), and the second sliding rod (403) is fixedly connected to the third connecting rod (404).

6. The LED large screen back frame according to claim 5, characterized in that: The circular holes (406) are integrated with the telescopic cylinder (2) and the first sliding rod (401), and the circular holes (406) and the threaded columns (407) are correspondingly arranged.

7. The LED large screen back frame according to claim 6, characterized in that: The connection blocks (408) are fixedly connected to the first sliding rod (401) and the second sliding rod (403), and one side of the plurality of connection blocks (408) is on the same horizontal line as one side of the fixing plate (1).

8. The LED large screen back frame according to claim 7, characterized in that: The first mounting block (409) is fixedly connected to the first sliding rod (401) and the second sliding rod (403), and the fixing plate (1) is fixedly connected to the second mounting block (410).

9. The LED large screen back frame according to claim 8, characterized in that: The outer sides of the plurality of first mounting blocks (409) and the outer sides of the second mounting blocks (410) are on the same horizontal line.

10. The LED large screen back frame according to claim 9, characterized in that: The threaded column (407) is threadedly connected to the first sliding rod (401) and the second sliding rod (403).

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