CN219269162U

CN219269162U - Combined display main board for liquid crystal display

Info

Publication number: CN219269162U
Application number: CN202223373163.3U
Authority: CN
Inventors: 林沃栈; 黄宏铭; 张强
Original assignee: Bairunsheng Technology Shenzhen Co ltd
Current assignee: Bairunsheng Technology Shenzhen Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-27
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a combined display main board for a liquid crystal display, which comprises a fixed seat, wherein a movable plate is connected inside the fixed seat in a sliding way, a pressing plate is welded on the outer wall of one side of the movable plate, a main board body is placed inside the fixed seat of an inserting rod is welded on the outer wall of the bottom of the pressing plate, inserting holes are formed in four end corners of the main board body, inserting rods are inserted into the inserting holes, a connecting rod is welded on the outer wall of the top of the movable plate, and an inserting spring connected with the movable plate is welded on the inner wall of the top of the fixed seat. The display main board is formed by combining the fixing base and the main board body, the main board body is placed in the fixing base, the pull rod is loosened, the inserting spring can push the movable plate and the inserting rod to move downwards so that the inserting rod is inserted in the inserting hole, the main board body can be fixed without using a plurality of screws, a plurality of screws do not need to be screwed on or off when the main board body is installed or detached, and the fixing base does not need to be detached.

Description

Combined display main board for liquid crystal display

Technical Field

The utility model relates to the technical field of liquid crystal display screens, in particular to a combined display main board for a liquid crystal display screen.

Background

A liquid crystal display (english: liquid Crystal Display, abbreviated: LCD) is a flat, thin display device consisting of a number of color or black and white pixels placed in front of a light source or a reflective surface. The lcd has low power consumption, and thus is popular with engineers, and is suitable for electronic devices using batteries, mainboards, also called mainboards, system boards, or motherboards. The main board is generally a rectangular circuit board, on which the main circuit system forming the computer is mounted, and the main circuit system generally comprises elements such as a BIOS chip, an I/O control chip, a keyboard and panel control switch interface, an indicator light plug-in unit, an expansion slot, a main board, a direct current power supply plug-in unit of the plug-in card and the like.

If the authorized notice number is CN211019776U, the authorized notice day is 2020.07.14, the multimedia audiovisual terminal comprises a shell, two openings are symmetrically arranged at two ends of the shell, a cover plate is arranged in the openings, the cover plate penetrates through a plurality of wire holes, a fixing base is fixedly arranged on the inner wall of the bottom end of the shell, an upward clamping groove is arranged in the fixing base, a plurality of buffer pads are fixedly arranged at the top end of the clamping groove, a main board body is arranged at the top end of the buffer pad, the main board body is fixedly connected with the bottom side wall of the clamping groove through a fixing screw, a baffle is fixedly arranged at the top end of the inner wall of the shell, a plurality of through holes are formed in the baffle, an exhaust device is fixedly arranged at the top end of the shell, and an air outlet communicated with the exhaust device is arranged on the upper side wall of the shell.

The main board for the liquid crystal display screen is arranged in the liquid crystal display screen, and most of main boards are arranged in the liquid crystal display screen through a plurality of screws, so that the plurality of screws are required to be screwed when the main board is arranged, the plurality of screws are required to be unscrewed when the main board is detached from the inside of the liquid crystal display screen for maintenance, the process of arranging and detaching the main board is very troublesome, and the efficiency of arranging and detaching is reduced, so that the design of a combined display main board for the liquid crystal display screen is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a combined display main board for a liquid crystal display screen, which solves the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a liquid crystal display uses combination formula display motherboard, includes the fixing base, the inside sliding connection of fixing base has the fly leaf, and welds on the outer wall of fly leaf one side has the clamp plate, the welding has the inserted bar on the outer wall of clamp plate bottom the mainboard body has been placed to the inside of fixing base, jack has all been seted up to four end angles departments of mainboard body, the inserted bar is pegged graft in the inside of jack, the welding has the connecting rod on the outer wall at fly leaf top, the welding has the grafting spring that is connected with the fly leaf on the inner wall at fixing base top, and the grafting spring cup joints the outside at the inserted bar, the top welding of connecting rod has the pull rod.

Further, a motor is fixed on the inner wall of one side of the fixing seat through a bolt, and a screw rod is fixed on the output end of the motor through a bolt.

Further, the external thread of lead screw has cup jointed the movable block, and has welded the guide block on the outer wall at movable block top.

Further, the outer wall of one side of the movable block is welded with a cleaning brush, and the cleaning brush is attached to the outer wall of the top of the main board body.

Furthermore, guide rods are welded on the inner walls of the two sides of the fixing seat, and the guide blocks are slidably connected to the outer parts of the guide rods.

Further, the mounting plates are welded on the outer walls of the two sides of the fixing seat, and the mounting bolts penetrate through the inner threads of the mounting plates.

Further, a supporting plate is welded on the outer wall of one side of the fixing seat, and a guide plate is welded on the inner wall of the bottom of the fixing seat.

In the technical scheme, the combined display main board for the liquid crystal display provided by the utility model comprises the fixed seat, the movable plate, the pressing plate, the inserting rod, the inserting hole, the connecting rod, the pull rod and the main board body, wherein the display main board is formed by combining the fixed seat and the main board body; (2) Through the motor, the screw rod, the moving block, the cleaning brush, the guide rod and the guide block, the motor drives the screw rod to rotate and the moving block to screw, so that the moving block can move on the main board body, dust on the main board body can be cleaned, and the phenomenon of poor contact of a circuit on the main board body caused by excessive dust accumulation can be prevented; (3) Through mounting panel, mounting bolt, grafting spring, support and hold board and the deflector that set up, can fix the inside at liquid crystal display with the fixing base through mounting bolt, the deflector can play the effect of direction to it when the mainboard body slides to the inside of fixing base, supports and holds the board and can play spacing effect to the mainboard body, can make the jack just be located the below of inserted bar.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic perspective view of a combined display motherboard for a lcd according to an embodiment of the present utility model.

Fig. 2 is a schematic side view of a fixing base provided by an embodiment of a combined display motherboard for a liquid crystal display according to the present utility model.

Fig. 3 is a schematic diagram of a transmission structure of a cleaning brush provided by an embodiment of a combined display motherboard for a liquid crystal display according to the present utility model.

Fig. 4 is a schematic view of a plunger structure provided by an embodiment of a combined display motherboard for a liquid crystal display according to the present utility model.

Reference numerals illustrate:

1. a fixing seat; 2. a movable plate; 3. a pressing plate; 4. a rod; 5. a jack; 6. a connecting rod; 7. a pull rod; 8. a main board body; 9. a motor; 10. a screw rod; 11. a moving block; 12. cleaning brushes; 13. a guide rod; 14. a guide block; 15. a mounting plate; 16. installing a bolt; 17. a plug spring; 18. a holding plate; 19. and a guide plate.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the combined display main board for a liquid crystal display provided by the embodiment of the utility model comprises a fixed base 1, wherein a movable plate 2 is connected in the fixed base 1 in a sliding manner, a pressing plate 3 is welded on the outer wall of one side of the movable plate 2, a main board body 8 is placed in the fixed base 1 of a plug rod 4 is welded on the outer wall of the bottom of the pressing plate 3, jacks 5 are formed at four end corners of the main board body 8, the plug rod 4 is inserted into the jacks 5, a connecting rod 6 is welded on the outer wall of the top of the movable plate 2, an inserting spring 17 connected with the movable plate 2 is welded on the inner wall of the top of the fixed base 1, the inserting spring 17 is sleeved outside the plug rod 4, and a pull rod 7 is welded on the top end of the connecting rod 6.

The utility model provides a combined display main board for a liquid crystal display, which comprises a fixed base 1, wherein a movable plate 2 is connected inside the fixed base 1 in a sliding manner, a pressing plate 3 is welded on the outer wall of one side of the movable plate 2, an inserting rod 4 is welded on the outer wall of the bottom of the pressing plate 3, a main board body 8 is placed inside the fixed base 1, inserting holes 5 are formed in four end corners of the main board body 8, the inserting rod 4 is inserted into the inserting holes 5, a connecting rod 6 is welded on the outer wall of the top of the movable plate 2, an inserting spring 17 connected with the movable plate 2 is welded on the inner wall of the top of the fixed base 1, the inserting spring 17 is sleeved outside the inserting rod 4, a pull rod 7 is welded at the top end of the connecting rod 6, the main board body 8 is inserted into the fixed base 1 in a sliding manner from one end far away from a supporting plate 18, the pull rod 7 is loosened, the elastic force of the inserting spring 17 pushes the movable plate 2, the pressing plate 3 and the inserting rod 4 to move downwards, the inserting rod 4 is inserted into the inserting holes 5, the main board body 8 can be fixed, and a plurality of screws are not used for fixing, so that the main board 8 is more convenient to install or detach when being installed and detached.

The utility model is characterized in that: this display main board is formed by fixing base 1 and main board body 8 combination, put main board body 8 in fixing base 1's inside, loosen pull rod 7, grafting spring 17 can promote fly leaf 2 and inserted bar 4 and move down and make inserted bar 4 peg graft in jack 5's inside, can fix main board body 8, do not use a plurality of screw fixation, need not to screw on or unscrew a plurality of screws when installing or dismantling main board body 8, and need not to dismantle fixing base 1, so solved and installed or need unscrew a plurality of screws when dismantling on the position that needs to install single main board through a plurality of screw fixation and inconvenient installation and dismantlement's problem, more convenience, and improved the efficiency of installation and dismantlement.

In another embodiment provided by the utility model, as shown in fig. 1 and 3, a motor 9 is fixed on the inner wall of one side of the fixed seat 1 through a bolt, a screw rod 10 is fixed on the output end of the motor 9 through a bolt, and the motor 9 can drive the screw rod 10 to rotate and move the screw 11.

In another embodiment provided by the utility model, as shown in fig. 1 and 3, the external thread of the screw rod 10 is sleeved with the moving block 11, the outer wall of the top of the moving block 11 is welded with the guide block 14, and when the screw rod 10 and the moving block 11 are threaded, the moving block 11 can move on the screw rod 10.

In another embodiment provided by the utility model, as shown in fig. 1 and 3, a cleaning brush 12 is welded on the outer wall of one side of the moving block 11, and the cleaning brush 12 is attached to the outer wall of the top of the main board body 8, so that dust on the main board body 8 can be cleaned when the cleaning brush 12 moves.

In another embodiment provided by the utility model, as shown in fig. 1 and 3, guide rods 13 are welded on the inner walls of two sides of the fixed seat 1, and guide blocks 14 are slidably connected to the outer parts of the guide rods 13.

In another embodiment provided by the utility model, as shown in fig. 1 and 4, mounting plates 15 are welded on the outer walls of the two sides of the fixing seat 1, and mounting bolts 16 penetrate through the inner threads of the mounting plates 15, so that the fixing seat 1 can be fixed in the liquid crystal display through the mounting bolts 16.

In another embodiment provided by the utility model, as shown in fig. 1, an abutting plate 18 is welded on the outer wall of one side of the fixing seat 1, and a guide plate 19 is welded on the inner wall of the bottom of the fixing seat 1, wherein the guide plate 19 can play a role in guiding the main board body 8 in the process of sliding to the fixing seat 1.

Working principle: when the combined display main board for the liquid crystal display screen is used, the pull rod 7 is lifted upwards, the pull rod 7 drives the connecting rod 6, the movable plate 2 and the pressing plate 3 to move upwards, the main board body 8 is slidably inserted into the fixing seat 1 from one end of the fixing seat 1 far away from the supporting plate 18, when the main board body 8 slides, the guide plate 19 can play a role in guiding the main board body 8 until the main board body 8 is supported on the supporting plate 18, the supporting plate 18 can play a limiting role on the main board body 8, the jack 5 can be located under the inserting rod 4, the pull rod 7 is loosened, the movable plate 2, the pressing plate 3 and the inserting rod 4 are pushed to move downwards by elasticity of the inserting spring 17, the inserting rod 4 is inserted into the jack 5, the main board body 8 can be fixed, a plurality of screws are not used, so that the installation and the disassembly of the main board body 8 are more convenient, the motor 9 drives the screw rod 10 to rotate and the moving block 11 to move on the main board body 8, dust on the main board body 8 can be cleaned, the dust on the main board body 8 can be prevented from playing a role in guiding block 11 in limiting role in cleaning the main board 8, and the guide block can be prevented from being in cleaning the poor contact with the guide block 12 and the guide block 14 on the main board 12, and the guide block can be prevented from moving in the main board 12 and the poor contact with the guide block 13.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a liquid crystal display uses combination formula display motherboard, includes fixing base (1), its characterized in that, the inside sliding connection of fixing base (1) has fly leaf (2), and welds on the outer wall of fly leaf (2) one side has clamp plate (3), the welding has inserted bar (4) on the outer wall of clamp plate (3) bottom mainboard body (8) have been placed to the inside of fixing base (1), jack (5) have all been seted up in four terminal angle departments of mainboard body (8), inserted bar (4) are pegged graft in the inside of jack (5), the welding has connecting rod (6) on the outer wall at fly leaf (2) top, the welding has grafting spring (17) that are connected with fly leaf (2) on the inner wall at fixing base (1) top, and grafting spring (17) cup joint in the outside of inserted bar (4), the top welding of connecting rod (6) has pull rod (7).

2. The combined display main board for the liquid crystal display according to claim 1, wherein a motor (9) is fixed on the inner wall of one side of the fixing seat (1) through bolts, and a screw rod (10) is fixed on the output end of the motor (9) through bolts.

3. The combined display main board for the liquid crystal display screen according to claim 2, wherein the moving block (11) is sleeved on the external thread of the screw rod (10), and the guide block (14) is welded on the outer wall of the top of the moving block (11).

4. A combined display main board for a liquid crystal display according to claim 3, characterized in that a cleaning brush (12) is welded on the outer wall of one side of the moving block (11), and the cleaning brush (12) is attached to the outer wall of the top of the main board body (8).

5. The combined display main board for the liquid crystal display according to claim 4, wherein guide rods (13) are welded on the inner walls of the two sides of the fixed seat (1), and the guide blocks (14) are slidably connected to the outer parts of the guide rods (13).

6. The combined display main board for the liquid crystal display according to claim 1, wherein the mounting plates (15) are welded on the outer walls of the two sides of the fixing seat (1), and the mounting bolts (16) penetrate through the internal threads of the mounting plates (15).

7. The combined display main board for the liquid crystal display according to claim 6, wherein the supporting plate (18) is welded on the outer wall of one side of the fixing base (1), and the guide plate (19) is welded on the inner wall of the bottom of the fixing base (1).