Spliced screen liquid crystal display convenient for heat dissipation

Abstract

The utility model relates to the technical field of spliced screen liquid crystal displays, and discloses a spliced screen liquid crystal display convenient for heat dissipation, which comprises a spliced screen liquid crystal display body, a heat dissipation mechanism and a protection mechanism, and the heat dissipation mechanism comprises a mounting frame, an electric sliding table, a connecting rod, a main board and a heat dissipation fan. According to the spliced screen liquid crystal display convenient to dissipate heat, the mounting frame is fixedly connected to the rear portion of the spliced screen liquid crystal display body, the spliced screen liquid crystal display body is fixed, the electric sliding tables are fixedly connected to the upper, lower, left and right inner walls of the mounting frame, and the electric sliding tables drive connecting rods to move in the mounting frame; the surface of the mainboard is fixedly connected with a cooling fan, the inner wall of the mainboard is slidably connected with the outer wall of a connecting rod in a crossed mode, the connecting rod drives the mainboard to move, the mainboard drives the cooling fan to move, local rapid cooling is conducted on the rear portion of the spliced screen liquid crystal display body, positioning cooling is conducted on the spliced screen liquid crystal display body, and resources are saved; and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of spliced ​​screen liquid crystal displays, in particular to a spliced ​​screen liquid crystal display which is convenient for heat dissipation. Background Art

[0002] Liquid crystal display is an active matrix liquid crystal display driven by thin film transistors. It mainly uses electric current to stimulate liquid crystal molecules to produce points, lines, and surfaces, and cooperates with the back light tube to form a picture. At present, the size of liquid crystal display cannot meet the needs of users, so many now adopt the method of splicing small unit displays into a large display.

[0003] According to Chinese patent publication number CN 217214082 U, a spliced ​​screen liquid crystal display that is easy to dissipate heat includes a mounting frame fixed on the rear side of the spliced ​​screen, and the four corners of the mounting frame are fixedly mounted with a receiving plate, and the receiving plate is fixedly mounted with a receiving assembly for splicing a plurality of spliced ​​screens; the rear side of the mounting frame is fixedly mounted with an air guide assembly connected to the mounting frame; the utility model utilizes the arrangement of an air guide duct and a receiving joint to connect the heat dissipation spaces of a plurality of small unit displays, so that the heat dissipation mechanism of one of the displays can dissipate heat for other small unit displays, thereby avoiding the phenomenon that damage to one of the heat dissipation mechanisms causes the local temperature of the large display to rise, causing damage to the surrounding displays, thereby improving the safety of the large display.

[0004] However, the above device has the problem that when there are more spliced ​​screen LCD displays, more heat dissipation mechanisms are required, which wastes resources and has low practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a spliced ​​screen liquid crystal display that is easy to dissipate heat, so as 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 spliced ​​screen liquid crystal display that is easy to dissipate heat, comprising a spliced ​​screen liquid crystal display body, a heat dissipation mechanism is fixedly connected to the rear of the spliced ​​screen liquid crystal display body, and a protective mechanism is fixedly connected to the outer wall of the spliced ​​screen liquid crystal display body;

[0007] The heat dissipation mechanism comprises a mounting frame, an inner wall of the mounting frame is fixedly connected to an electric slide, a connecting rod is installed above the electric slide, an outer surface of the connecting rod is slidably connected to a mainboard, and a heat dissipation fan is fixedly connected to the surface of the mainboard.

[0008] Preferably, the installation frame is fixedly connected to the rear of the splicing screen liquid crystal display body, and the electric slide is fixedly connected to the upper and lower and left and right inner walls of the installation frame.

[0009] Preferably, grooves are provided on the upper and lower inner walls and the left and right inner walls of the installation frame, and the connecting rod is slidably engaged in the grooves provided on the upper and lower inner walls and the left and right inner walls of the installation frame.

[0010] Preferably, the cooling fans are located at the four corners of the mainboard surface, and the inner wall of the mainboard is cross-slidably connected to the outer wall of the connecting rod.

[0011] Preferably, the protective mechanism includes a fixed block, the left and right sides of the fixed block are rotatably connected to a first screw rod, the surface of the first screw rod is threadedly connected to a moving block, the bottom of the moving block is threadedly connected to a second screw rod, the surface of the second screw rod is sleeved with a pressure plate, and the fixed block is fixedly connected above the splicing screen LCD display body.

[0012] Preferably, a groove is provided on the lower surface of the moving block, and the upper part of the spliced ​​screen liquid crystal display body is slidably engaged in the groove provided on the lower surface of the moving block.

[0013] Preferably, the second screw rod passes through the pressure plate and is threadedly connected below the moving block, and the pressure plate is located on the left and right sides below the spliced ​​screen liquid crystal display body.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model uses the splicing screen LCD display body as the prior art, the mounting frame is fixedly connected to the rear of the splicing screen LCD display body to fix the splicing screen LCD display body, the electric slides are fixedly connected to the upper and lower and left and right inner walls of the mounting frame, the internal circuit connection of the electric slide is the prior art, and no further details are given here, the electric slide drives the connecting rod to move in the mounting frame, a cooling fan is fixedly connected to the surface of the main board, the inner wall of the main board is cross-slidingly connected to the outer wall of the connecting rod, the connecting rod drives the main board to move, and the main board drives the cooling fan to move, and local rapid heat is dissipated at the rear of the splicing screen LCD display body, thereby achieving the effect of positioning heat dissipation of the splicing screen LCD display body, saving resources, and high practicality.

[0016] Second, the utility model slides and engages the top of the spliced ​​screen LCD display body in a groove provided on the lower surface of the moving block, rotates the first screw rod, causes the first screw rod to drive the moving block to move to the left and right sides of the spliced ​​screen LCD display body, fixes the two sides of the spliced ​​screen LCD display body, rotates the second screw rod, causes the second screw rod to drive the pressure plate, causes the pressure plate to press the left and right sides of the lower side of the spliced ​​screen LCD display body, fixes the lower side of the spliced ​​screen LCD display body, and achieves the effect of conveniently fixing spliced ​​screen LCD display bodies of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the rear structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the protection mechanism of the utility model.

[0021] Among them: 1. splicing screen LCD display body; 2. heat dissipation mechanism; 21. installation frame; 22. electric slide; 23. connecting rod; 24. main board; 25. cooling fan; 3. protection mechanism; 31. fixed block; 32. first screw rod; 33. moving block; 34. second screw rod; 35. pressure plate. 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 without creative work are within the scope of protection of the utility model.

[0023] The utility model provides the following technical solutions:

[0024] Embodiment 1

[0025] See also Figure 1-4 , a splicing screen liquid crystal display for heat dissipation, comprising a splicing screen liquid crystal display body 1, a heat dissipation mechanism 2 is fixedly connected to the rear of the splicing screen liquid crystal display body 1, and a protective mechanism 3 is fixedly connected to the outer wall of the splicing screen liquid crystal display body 1;

[0026] The heat dissipation mechanism 2 includes a mounting frame 21 , an electric slide 22 is fixedly connected to the inner wall of the mounting frame 21 , a connecting rod 23 is installed above the electric slide 22 , a mainboard 24 is slidably connected to the outer surface of the connecting rod 23 , and a heat dissipation fan 25 is fixedly connected to the surface of the mainboard 24 .

[0027] Specifically, the installation frame 21 is fixedly connected to the rear of the spliced ​​screen liquid crystal display body 1, and the electric slide 22 is fixedly connected to the upper and lower and left and right inner walls of the installation frame 21.

[0028] Specifically, grooves are formed on the upper and lower inner walls and the left and right inner walls of the installation frame 21 , and the connecting rod 23 is slidably engaged in the grooves formed on the upper and lower inner walls and the left and right inner walls of the installation frame 21 .

[0029] Specifically, the cooling fans 25 are located at the four corners of the surface of the mainboard 24 , and the inner wall of the mainboard 24 is cross-slidably connected to the outer wall of the connecting rod 23 .

[0030] Through the above technical scheme, the splicing screen LCD display body 1 is the existing technology, the installation frame 21 is fixedly connected to the rear of the splicing screen LCD display body 1, and the splicing screen LCD display body 1 is fixed. The electric slide 22 is fixedly connected to the upper and lower and left and right inner walls of the installation frame 21. The internal circuit connection of the electric slide 22 is the existing technology and will not be repeated here. The electric slide 22 drives the connecting rod 23 to move in the installation frame 21, and the surface of the main board 24 is fixedly connected with a cooling fan 25. The inner wall of the main board 24 is cross-slidingly connected with the outer wall of the connecting rod 23. The connecting rod 23 drives the main board 24 to move, so that the main board 24 drives the cooling fan 25 to move, and the rear of the splicing screen LCD display body 1 is locally and quickly cooled, so as to achieve the effect of positioning the heat dissipation of the splicing screen LCD display body 1, saving resources, and high practicality.

[0031] Embodiment 2

[0032] See also Figure 1-4 On the basis of the first embodiment, it is further obtained that the protective mechanism 3 includes a fixed block 31, the left and right sides of the fixed block 31 are rotatably connected with a first screw rod 32, the surface of the first screw rod 32 is threadedly connected with a moving block 33, the lower part of the moving block 33 is threadedly connected with a second screw rod 34, the surface of the second screw rod 34 is sleeved with a pressure plate 35, and the fixed block 31 is fixedly connected above the spliced ​​screen LCD display body 1.

[0033] Specifically, a groove is provided on the lower surface of the moving block 33 , and the upper part of the spliced ​​screen liquid crystal display body 1 is slidably engaged in the groove provided on the lower surface of the moving block 33 .

[0034] Specifically, the second screw rod 34 passes through the pressing plate 35 and is threadedly connected below the moving block 33 . The pressing plate 35 is located on the left and right sides below the spliced ​​screen liquid crystal display body 1 .

[0035] Through the above technical scheme, the top of the spliced ​​screen LCD display body 1 is slidably engaged in the groove opened on the lower surface of the moving block 33, and the first screw rod 32 is rotated to make the first screw rod 32 drive the moving block 33 to move to the left and right sides of the spliced ​​screen LCD display body 1 to fix the two sides of the spliced ​​screen LCD display body 1, and the second screw rod 34 is rotated to make the second screw rod 34 drive the pressure plate 35 to press the left and right sides of the lower side of the spliced ​​screen LCD display body 1 to fix the lower side of the spliced ​​screen LCD display body 1, so as to achieve the effect of facilitating the fixation of spliced ​​screen LCD display bodies 1 of different sizes.

[0036] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spliced ​​screen liquid crystal display for heat dissipation, comprising a spliced ​​screen liquid crystal display body (1), characterized in that: A heat dissipation mechanism (2) is fixedly connected to the rear of the spliced ​​screen liquid crystal display body (1), and a protection mechanism (3) is fixedly connected to the outer wall of the spliced ​​screen liquid crystal display body (1); The heat dissipation mechanism (2) comprises a mounting frame (21), the inner wall of the mounting frame (21) is fixedly connected to an electric slide (22), a connecting rod (23) is installed above the electric slide (22), the outer surface of the connecting rod (23) is slidably connected to a main board (24), and a heat dissipation fan (25) is fixedly connected to the surface of the main board (24).

2. The spliced ​​screen liquid crystal display for easy heat dissipation according to claim 1, characterized in that: The installation frame (21) is fixedly connected to the rear of the spliced ​​screen liquid crystal display body (1), and the electric slide (22) is fixedly connected to the upper and lower and left and right inner walls of the installation frame (21).

3. The spliced ​​screen liquid crystal display for easy heat dissipation according to claim 1, characterized in that: Grooves are provided on the upper and lower inner walls and the left and right inner walls of the installation frame (21), and the connecting rod (23) is slidably engaged in the grooves provided on the upper and lower inner walls and the left and right inner walls of the installation frame (21).

4. The spliced ​​screen liquid crystal display for easy heat dissipation according to claim 1, characterized in that: The cooling fans (25) are located at the four corners of the surface of the main board (24), and the inner wall of the main board (24) is cross-slidably connected to the outer wall of the connecting rod (23).

5. The spliced ​​screen liquid crystal display for easy heat dissipation according to claim 1, characterized in that: The protection mechanism (3) comprises a fixed block (31), the left and right sides of the fixed block (31) are rotatably connected to a first screw rod (32), the surface of the first screw rod (32) is threadedly connected to a moving block (33), the lower part of the moving block (33) is threadedly connected to a second screw rod (34), the surface of the second screw rod (34) is sleeved with a pressure plate (35), and the fixed block (31) is fixedly connected to the top of the spliced ​​screen liquid crystal display body (1).

6. The spliced ​​screen liquid crystal display for easy heat dissipation according to claim 5, characterized in that: A groove is provided on the lower surface of the moving block (33), and the upper portion of the spliced ​​screen liquid crystal display body (1) is slidably engaged in the groove provided on the lower surface of the moving block (33).

7. The spliced ​​screen liquid crystal display for facilitating heat dissipation according to claim 5, characterized in that: The second screw rod (34) passes through the pressure plate (35) and is threadedly connected below the moving block (33); the pressure plate (35) is located on the left and right sides below the spliced ​​screen liquid crystal display body (1).

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