Splicing type liquid crystal display mainboard

Abstract

The utility model provides a liquid crystal display screen mainboard capable of being spliced, which relates to the technical field of display screen mainboards and comprises two mainboard bodies, the two mainboard bodies are connected through a connecting device, and two sides of the two mainboard bodies are movably connected with fixing components. A main board body slides into a bottom plate sliding rail through a first stand column and a second stand column and slides into the other main board body, when a first spacer block and a second spacer block are close to each other, a worker presses two connecting blocks towards the interior of a fixing frame, compression springs are compressed, and the whole connecting blocks are inserted into connecting grooves formed in the second spacer block; the outer side main board body is pushed to enable the connecting block to be inserted into the connecting groove, the problem that in the disassembling and rewelding process, a circuit board and other intact components are possibly damaged is solved, the maintenance cost is reduced, and energy consumption of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen mainboards, in particular to a splicable liquid crystal display screen mainboard. Background Art

[0002] The LCD display motherboard, also known as the driver board, is the core circuit of the LCD display. As the central processor of the LCD TV, the LCD TV motherboard is mainly responsible for controlling the display of the TV picture and adjusting the transmission of signals, as well as controlling all TV functions such as volume, brightness, contrast, etc.

[0003] In order to meet the needs of larger display size or higher resolution, LCD mainboards usually need to be spliced ​​between two or more LCD mainboards. Existing LCD mainboards are usually welded when splicing. When two LCD mainboards are spliced ​​by welding, if connection problems are found after welding or components need to be replaced, a complicated disassembly and re-welding process is required. During the disassembly and re-welding process, the circuit board and other intact components may be damaged, which not only increases the maintenance cost, but also greatly consumes the energy of the staff.

[0004] Therefore, it is necessary to provide a new splicable liquid crystal display mainboard to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a splicable liquid crystal display screen mainboard.

[0006] The utility model provides a splicable liquid crystal display mainboard comprising two mainboard bodies, the two mainboard bodies are connected by a connecting device, and both sides of the two mainboard bodies are movably connected with fixed components;

[0007] The connecting device includes a first spacer block, a second spacer block and two connecting blocks, the first spacer block and the second spacer block are respectively fixedly connected to one end of the two main board bodies, and the side wall of the first spacer block is fixedly connected to a fixing frame, the inner walls of the grooves opened on both sides of the fixing frame are respectively fixedly connected to a plurality of elastic members, and the ends of the plurality of elastic members away from the fixing frame are respectively fixedly connected to the side walls of the two connecting blocks, and the second spacer block is provided with a connecting groove at one end adjacent to the first spacer block.

[0008] Preferably, one end of the mainboard body away from the first spacer block is movably connected to a bottom plate, the bottom plate is movably connected to the bottom of the fixing component, and one end of the fixing component away from the bottom plate is movably connected to a sleeve plate via a positioning rod.

[0009] Preferably, the fixing assembly comprises a first column and a second column, the first column and the second column are provided with limiting holes matching with the plurality of positioning rods, and both ends of the sleeve plate are provided with through holes matching with the positioning rods.

[0010] Preferably, the two mainboard bodies are slidably connected to inner walls of grooves formed on the side walls of the first column and the second column, respectively.

[0011] Preferably, the elastic member is a compression spring, one end of the compression spring is fixedly connected to the inner wall of the fixing frame, and one end of the compression spring away from the fixing frame is fixedly connected to the side wall of the connecting block.

[0012] Preferably, the cross-sectional dimensions of the connection groove formed on the side wall of the second spacer block match the cross-sectional dimensions of the fixing frame and the two connection blocks.

[0013] Compared with the related art, the splicable LCD display mainboard provided by the utility model has the following beneficial effects:

[0014] The utility model provides a splicable liquid crystal display mainboard. During specific implementation, one of the mainboard bodies is first slid onto the bottom plate slide rail through a fixing assembly, and then the other mainboard body is slid into the other mainboard body. When the first spacing block is close to the second spacing block, the staff presses the two connecting blocks toward the inside of the fixing frame to compress the compression spring, and inserts the entire block into the connecting groove provided on the second spacing block, and pushes the outer mainboard body to insert the connecting block into the connecting groove. The liquid crystal display mainboard is spliced ​​by the above mechanism, which solves the problem of possible damage to the circuit board and other intact components during disassembly and re-soldering, reduces the maintenance cost, and reduces the energy consumption of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a splicable LCD display mainboard provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the cutaway structure shown;

[0017] Figure 3 for Figure 1 A schematic cross-sectional view of a local structure is shown;

[0018] Figure 4 for Figure 3 Schematic diagram of the structure of the connection components shown.

[0019] Numbers in the figure: 1, bottom plate; 2, main board body; 3, first column; 4, second column; 5, limiting hole; 6, sleeve plate; 7, positioning rod; 8, first spacer block; 9, connecting block; 10, spring; 11, second spacer block; 12, connecting groove; 13, fixing frame. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 ,in, Figure 1 A schematic diagram of the structure of a splicable LCD display mainboard provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the cutaway structure shown; Figure 3 for Figure 1 A schematic cross-sectional view of a local structure is shown; Figure 4 for Figure 3 Schematic diagram of the structure of the connection components shown.

[0022] In the specific implementation process, Figures 1 to 4As shown, the two mainboard bodies 2 are connected by a connecting device, and both sides of the two mainboard bodies 2 are movably connected with fixed components, the connecting device includes a first spacer block 8, a second spacer block 11 and two connecting blocks 9, the first spacer block 8 and the second spacer block 11 are respectively fixedly connected to one end of the two mainboard bodies 2, and the side wall of the first spacer block 8 is fixedly connected to a fixing frame 13, the inner walls of the grooves opened on both sides of the fixing frame 13 are respectively fixedly connected to a plurality of elastic members, and the ends of the plurality of elastic members away from the fixing frame 13 are respectively fixedly connected to the side walls of the two connecting blocks 9, The elastic member is a compression spring 10, one end of the compression spring 10 is fixedly connected to the inner wall of the fixing frame 13, and the end of the compression spring 10 away from the fixing frame 13 is fixedly connected to the side wall of the connecting block 9, and the second spacer block 11 is provided with a connecting groove 12 at one end adjacent to the first spacer block 8. The end of the mainboard body 2 away from the first spacer block 8 is movably connected to the bottom plate 1, and the bottom plate 1 is movably connected to a fixing component, which is located on both sides of the two mainboard bodies 2. The end of the fixing component away from the bottom plate 1 is movably connected to the sleeve plate 6 through the positioning rod 7, and the positioning rod 7 passes through the sleeve plate 6 and the first column 3 and the second column 4 are used to fix the positions of the two main board bodies 2. The fixing assembly includes a first column 3 and a second column 4. The first column 3 and the second column 4 are provided with limiting holes 5 that match the plurality of positioning rods 7. Both ends of the sleeve plate 6 are provided with through holes that match the positioning rods 7. The two main board bodies 2 are slidably connected to the inner walls of the grooves provided on the side walls of the first column 3 and the second column 4, respectively. The cross-sectional dimensions of the connecting groove 12 provided on the side wall of the second spacer block 11 match the cross-sectional dimensions of the fixing frame 13 and the two connecting blocks 9. When in use, the first Slide one of the main board bodies 2 onto the slide rail of the bottom plate 1 through the first column 3 and the second column 4, and then slide in the other main board body 2. When the first spacer block 8 is close to the second spacer block 11, the staff presses the two connecting blocks 9 into the fixed frame 13 to compress the compression spring 10, and inserts the entire block into the connecting groove 12 opened on the second spacer block 11, pushes the outer main board body 2, and inserts the connecting block 9 into the connecting groove 12, then covers the two columns with the sleeve plate 6 and slides it to the appropriate position, and inserts the positioning rods 7 into the through holes 5 at both ends of the sleeve plate 6 respectively.

[0023] The working principle provided by the utility model is as follows: when in use, first slide one of the main board bodies 2 onto the slide rail of the bottom plate 1 through the first column 3 and the second column 4, and then slide into the other main board body 2. When the first spacing block 8 is close to the second spacing block 11, the staff presses the two connecting blocks 9 into the fixed frame 13 to compress the compression spring 10 and insert the entirety into the connecting groove 12 opened on the second spacing block 11, push the outer main board body 2, insert the connecting block 9 into the connecting groove 12, then cover the two columns with the sleeve plate 6 and slide it into a suitable position, and insert the positioning rods 7 into the through holes 5 at both ends of the sleeve plate 6 respectively.

[0024] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A splicable LCD display mainboard, characterized in that: It comprises two mainboard bodies (2), the two mainboard bodies (2) are connected via a connecting device, and both sides of the two mainboard bodies (2) are movably connected with fixed components; The connecting device comprises a first spacer block (8), a second spacer block (11) and two connecting blocks (9); the first spacer block (8) and the second spacer block (11) are respectively fixedly connected to one end of two main board bodies (2); the side wall of the first spacer block (8) is fixedly connected to a fixing frame (13); the inner walls of the grooves provided on both sides of the fixing frame (13) are respectively fixedly connected to a plurality of elastic members; the ends of the plurality of elastic members away from the fixing frame (13) are respectively fixedly connected to the side walls of the two connecting blocks (9); and the second spacer block (11) is provided with a connecting groove (12) at one end adjacent to the first spacer block (8).

2. The splicable liquid crystal display mainboard according to claim 1, characterized in that: One end of the mainboard body (2) away from the first spacer block (8) is movably connected to a bottom plate (1), and the bottom plate (1) is movably connected to the bottom of the fixing component. One end of the fixing component away from the bottom plate (1) is movably connected to a sleeve plate (6) via a positioning rod (7).

3. The splicable liquid crystal display mainboard according to claim 2, characterized in that: The fixing assembly comprises a first column (3) and a second column (4), wherein the first column (3) and the second column (4) are provided with limiting holes (5) matching with a plurality of the positioning rods (7), and through holes matching with the positioning rods (7) are provided at both ends of the sleeve plate (6).

4. The splicable liquid crystal display mainboard according to claim 3, characterized in that: The two mainboard bodies (2) are respectively slidably connected to inner walls of grooves formed on the side walls of the first column (3) and the second column (4).

5. The splicable liquid crystal display mainboard according to claim 4, characterized in that: The elastic member is a compression spring (10), one end of the compression spring (10) is fixedly connected to the inner wall of the fixed frame (13), and one end of the compression spring (10) away from the fixed frame (13) is fixedly connected to the side wall of the connecting block (9).

6. The splicable liquid crystal display mainboard according to claim 5, characterized in that: The cross-sectional dimensions of the connection groove (12) provided on the side wall of the second spacer block (11) match the cross-sectional dimensions of the fixing frame (13) and the two connection blocks (9).

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