CN219062989U

CN219062989U - Reinforcing and fixing device for liquid crystal display screen

Info

Publication number: CN219062989U
Application number: CN202222534413.0U
Authority: CN
Inventors: 贺际军; 郑磊
Original assignee: Guangdong Dexing Microelectronics Co ltd
Current assignee: Guangdong Dexing Microelectronics Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-23
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a liquid crystal display reinforcing and fixing device which comprises a base and a display body, wherein the upper end of the base is fixedly connected with a sleeve, a sliding block fixedly connected with the bottom of the display body is connected in the sleeve in a sliding manner, the sliding block slides in the sleeve to enable the display body to stably and vertically move, a driving piece is arranged on the base, the driving piece is hinged with the display body through a supporting plate, the driving piece drives the supporting plate to rotate to adjust the height of the display body, a plurality of suckers are arranged at the bottom of the base, and air suction pieces which are respectively communicated with the suckers are arranged on the base. The utility model has reasonable structural design, can not only strengthen the stability of the liquid crystal display screen and reduce the damage caused by falling of the liquid crystal display screen due to collision, but also meet the use requirements of different users on different heights of the display screen, and has flexibility.

Description

Reinforcing and fixing device for liquid crystal display screen

Technical Field

The utility model relates to the technical field of liquid crystal display screens, in particular to a reinforcing and fixing device for a liquid crystal display screen.

Background

The liquid crystal display is a planar ultrathin display device, consists of a certain number of color or black and white pixels, is placed in front of a light source or a reflecting surface, has low power consumption, is favored by engineers, and is suitable for electronic devices using batteries.

In the use process of the existing liquid crystal display, a display base is usually directly placed on a desktop for use, the stability is poor, the damage caused by falling of the liquid crystal display is often caused by collision, the stability is poor, and the existing liquid crystal display is connected with a supporting base through a fixing support, so that the height of the display is usually fixed, the use requirements of different users on different heights of the display are difficult to meet, and therefore, the liquid crystal display reinforcing and fixing device is designed to solve the problems.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a liquid crystal display screen reinforcing and fixing device which can not only strengthen the stability of a liquid crystal display screen and reduce the damage of the liquid crystal display screen caused by falling due to collision, but also meet the use requirements of different users on different heights of the display screen and has flexibility.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a fixing device is strengthened to LCD screen, includes base and display screen body, its characterized in that, the upper end fixedly connected with sleeve of base, sliding connection has the slider of the bottom fixed connection with the display screen body in the sleeve, the slider slides in the sleeve and makes the stable vertical removal of display screen body, be equipped with the driving piece on the base, it is articulated through the backup pad between driving piece and the display screen body, the driving piece drives the backup pad and rotates the height of adjusting the display screen body, a plurality of sucking discs are installed to the base bottom, be equipped with the piece of bleeding that communicates each other with a plurality of sucking discs respectively on the base, take out the air in the sucking disc and make the base stably adsorb on the desktop.

Preferably, the sliding grooves are formed in the side walls of the two ends of the sliding block, the fixing blocks are fixedly connected to the inner side walls of the two ends of the sleeve, and the two fixing blocks extend into the two sliding grooves respectively and are connected with the sliding grooves in a sliding mode.

Preferably, the driving piece is including seting up the driving chamber on the base, the driving chamber link up mutually with the upper end of base, run through on the base and rotate and be connected with the double-end threaded rod that extends to the driving chamber inside and rotate rather than the inside wall, all overlap on the two sections of double-end threaded rod opposite screw thread and be equipped with rather than threaded connection's movable plate, movable plate lower extreme offsets with the driving chamber in bottom, two the backup pad articulates respectively in the movable plate upper end.

Preferably, the upper ends of the two moving plates are fixedly connected with first mounting blocks, the lower end of the display screen body is fixedly connected with two second mounting blocks, one end of each supporting plate is respectively and rotatably connected with the corresponding first mounting block, and the other end of each supporting plate is respectively and rotatably connected with the corresponding second mounting block.

Preferably, the air extraction piece comprises a sliding cavity arranged on the base, a plurality of air holes communicated with the inside of the sucker are formed in the inner bottom of the sliding cavity in a penetrating mode, a sealing plate is connected in the sliding cavity in a sealing sliding mode, a T-shaped rod penetrating through the inner top of the sliding cavity and extending to the upper portion of the base is fixedly connected to the upper end of the sealing plate, a plurality of springs are connected between the sealing plate and the inner bottom of the sliding cavity, and a limiting piece for fixing the height of the T-shaped rod is arranged on the base.

Preferably, the limiting piece comprises a limiting plate which is rotationally connected to the upper end of the base through a rotating shaft, a clamping groove is formed in the upper end of the limiting plate, and the lower end of the horizontal section of the T-shaped rod abuts against the inner bottom of the clamping groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the T-shaped rod is pulled to move upwards to drive the sealing plate to move upwards, so that air inside the suckers is sucked into the sliding cavity through the air holes, negative pressure is formed in the suckers, the base can be stably fixed above the tabletop, the stability of the liquid crystal display can be further enhanced, and damage to the liquid crystal display caused by falling of the liquid crystal display due to collision is reduced.

2. Make two movable plates keep away from each other or be close to each other under the screw thread meshing effect through rotating the double-end threaded rod, and then make two backup pads drive the display screen body and reciprocate, under the direction effect cooperation of sleeve and slider, adjust the height of display screen body, can satisfy the user demand of different users to the display screen not co-altitude, have the flexibility.

In conclusion, the liquid crystal display screen is reasonable in structural design, stability of the liquid crystal display screen can be enhanced, damage caused by falling of the liquid crystal display screen due to collision is reduced, use requirements of different users on different heights of the display screen can be met, and flexibility is achieved.

Drawings

FIG. 1 is a schematic diagram of a first cross-sectional structure of a reinforcing and fixing device for a liquid crystal display according to the present utility model;

FIG. 2 is a schematic diagram showing a second cross-sectional structure of a reinforcing and fixing device for a liquid crystal display according to the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

FIG. 4 is an enlarged schematic view of FIG. 2 at B;

fig. 5 is a schematic diagram of an external structure of a reinforcing and fixing device for a liquid crystal display according to the present utility model.

In the figure: 1. a base; 2. a display screen body; 3. a suction cup; 4. a sliding chamber; 5. a sealing plate; 6. a T-bar; 7. a spring; 8. air holes; 9. a limiting plate; 10. a clamping groove; 11. a chute; 12. a fixed block; 13. a drive chamber; 14. a double-ended threaded rod; 15. a moving plate; 16. a support plate; 17. a sleeve; 18. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a reinforcing and fixing device for a liquid crystal display screen comprises a base 1 and a display screen body 2, wherein the display screen body 2 consists of a display screen and a protective frame, the display screen is installed in the protective frame, the upper end of the base 1 is fixedly connected with a sleeve 17, the sleeve 17 is slidably connected with a sliding block 18 fixedly connected with the bottom of the display screen body 2, the sliding block 18 slides in the sleeve 17 to enable the display screen body 2 to stably and vertically move, sliding grooves 11 are formed in the side walls of two ends of the sliding block 18, fixing blocks 12 are fixedly connected with the inner side walls of two ends of the sleeve 17, the two fixing blocks 12 respectively extend into the two sliding grooves 11 and are slidably connected with the two sliding grooves 11, the fixing blocks 12 are matched with the sliding grooves 11, the sliding block 18 can be prevented from rotating in the sleeve 17, and the sliding block 18 can be prevented from being separated from the sleeve 17;

the base 1 is provided with a driving piece, the driving piece is hinged with the display screen body 2 through a supporting plate 16, the driving piece drives the supporting plate 16 to rotate so as to adjust the height of the display screen body 2, the driving piece comprises a driving cavity 13 arranged on the base 1, the driving cavity 13 is communicated with the upper end of the base 1, the base 1 is penetrated and rotationally connected with a double-end threaded rod 14 which extends into the driving cavity 13 and is rotationally connected with the inner side wall of the other end of the driving cavity, one end of the double-end threaded rod 14 positioned outside the base 1 is fixedly connected with a rotating handle, the double-end threaded rod 14 is convenient to rotate, two sections of opposite threads of the double-end threaded rod 14 are respectively sleeved with a moving plate 15 in threaded connection with the double-end threaded rod, the lower end of the moving plate 15 is propped against the inner bottom of the driving cavity 13, the phenomenon that the moving plate 15 rotates in the driving cavity 13 is avoided, and the two supporting plates 16 are respectively hinged at the upper ends of the moving plate 15;

the upper ends of the two movable plates 15 are fixedly connected with first mounting blocks, the lower end of the display screen body 2 is fixedly connected with two second mounting blocks, one end of each of the two support plates 16 is respectively in rotary connection with the corresponding first mounting block, the other end of each of the two support plates 16 is respectively in rotary connection with the corresponding second mounting block, the two movable plates 15 are far away from or close to each other, the two support plates 16 can drive the display screen body 2 to move up and down, and the height of the display screen body 2 can be adjusted;

the bottom of the base 1 is provided with a plurality of suckers 3, the base 1 is provided with air pumping parts which are respectively communicated with the suckers 3, the air in the suckers 3 is pumped out to enable the base 1 to be stably adsorbed on a table top, the air pumping parts comprise sliding cavities 4 which are arranged on the base 1, driving cavities 13 and the sliding cavities 4 are arranged in a front-back staggered mode, mutual interference is avoided, the bottoms in the sliding cavities 4 are penetrated and provided with a plurality of air holes 8 which are mutually communicated with the interiors of the suckers 3, the sliding cavities 4 are internally and hermetically connected with sealing plates 5 in a sliding mode, the sealing plates 5 are hermetically and slidingly connected with the side walls of the interiors of the bottoms in the sliding cavities 4, the upper ends of the sealing plates 5 are fixedly connected with T-shaped rods 6 which penetrate through the tops in the sliding cavities 4 and extend to the upper side of the base 1, a plurality of springs 7 are tension springs, the horizontal ends of the T-shaped rods 6 can be firmly fixed in the clamping grooves 10, when the display screen body 2 needs to be moved, the limiting plates 9 are rotated, the sealing plates 5 can be pulled downwards to be pushed into the suckers 3, the bottoms in the sliding cavities 4 are conveniently separated from the table top 1, and the table top is conveniently provided with T-shaped rods 6, and the height of the fixing parts can be conveniently limited by the T-shaped rods 6;

the locating part includes through the rotation axis rotation connect the limiting plate 9 in base 1 upper end, and the rotation axis is installed in one side that limiting plate 9 kept away from T shape pole 6, and draw-in groove 10 has been seted up to limiting plate 9 upper end, and T shape pole 6 horizontal segment lower extreme offsets with draw-in groove 10 inner bottom for limiting plate 9 can fix T shape pole 6's height, and then can make base 1 firmly fix on the desktop through sucking disc 3.

The utility model can explain its functional principle by the following modes of operation:

in the utility model, when the display screen body 2 is required to be used, the base 1 is placed on a desktop, the T-shaped rod 6 is pulled to enable the sealing plate 5 to move upwards, air in the suckers 3 can be sucked into the sliding cavity 4 through the air holes 8, negative pressure is further formed in the suckers 3, the lower end of the horizontal section of the T-shaped rod 6 is abutted against the inner bottom of the clamping groove 10 by the rotating limiting plate 9, the height of the T-shaped rod 6 can be fixed, the base 1 can be firmly fixed on the desktop, the stability of the liquid crystal display screen is enhanced, and the damage caused by falling of the liquid crystal display screen due to collision is reduced;

when the height of the display screen body 2 needs to be adjusted, the two moving plates 15 are mutually far away from or close to each other under the action of threaded engagement by rotating the double-head threaded rod 14, so that the two support plates 16 drive the display screen body 2 to move up and down, meanwhile, the sliding block 18 can slide in the sleeve 17 to play a guiding role on the display screen body 2, the display screen body 2 can only move vertically up and down, and the height of the display screen can be adjusted according to the requirements of a user, so that the display screen has practicability.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a fixing device is strengthened to liquid crystal display, includes base (1) and display body (2), its characterized in that, the upper end fixedly connected with sleeve (17) of base (1), sliding connection has slider (18) with the bottom fixed connection of display body (2) in sleeve (17), slider (18) slide in sleeve (17) and make stable vertical removal of display body (2), be equipped with the driving piece on base (1), articulated through backup pad (16) between driving piece and the display body (2), driving piece drive backup pad (16) rotate and adjust the height of display body (2), a plurality of sucking discs (3) are installed to base (1) bottom, be equipped with on base (1) respectively with the sucking disc (3) each other the piece of bleeding, make air extraction in sucking disc (3) make base (1) stably adsorb on the desktop.

2. The reinforcing and fixing device for the liquid crystal display screen according to claim 1, wherein sliding grooves (11) are formed in side walls at two ends of the sliding block (18), fixing blocks (12) are fixedly connected to inner side walls at two ends of the sleeve (17), and the two fixing blocks (12) extend into the two sliding grooves (11) respectively and are connected with the two sliding grooves in a sliding mode.

3. The device for reinforcing and fixing the liquid crystal display according to claim 1, wherein the driving piece comprises a driving cavity (13) formed in the base (1), the driving cavity (13) is communicated with the upper end of the base (1), a double-head threaded rod (14) extending into the driving cavity (13) and rotationally connected with the inner side wall of the driving cavity is connected to the base (1) in a penetrating and rotating mode, two sections of opposite threads of the double-head threaded rod (14) are respectively sleeved with a movable plate (15) in threaded connection with the double-head threaded rod, the lower end of the movable plate (15) abuts against the inner bottom of the driving cavity (13), and two supporting plates (16) are respectively hinged to the upper end of the movable plate (15).

4. A reinforcing and fixing device for a liquid crystal display according to claim 3, wherein the upper ends of the two moving plates (15) are fixedly connected with first mounting blocks, the lower ends of the display body (2) are fixedly connected with two second mounting blocks, one ends of the two supporting plates (16) are respectively and rotatably connected with the first mounting blocks opposite to the two supporting plates, and the other ends of the two supporting plates (16) are respectively and rotatably connected with the second mounting blocks opposite to the two supporting plates.

5. The liquid crystal display reinforcing and fixing device according to claim 1, wherein the air extraction piece comprises a sliding cavity (4) formed in the base (1), a plurality of air holes (8) communicated with the inside of the sucker (3) are formed in the inner bottom of the sliding cavity (4) in a penetrating mode, a sealing plate (5) is connected in the sliding cavity (4) in a sealing sliding mode, a T-shaped rod (6) penetrating through the inner top of the sliding cavity (4) and extending to the upper portion of the base (1) is fixedly connected to the upper end of the sealing plate (5), a plurality of springs (7) are connected between the sealing plate (5) and the inner bottom of the sliding cavity (4), and a limiting piece for fixing the height of the T-shaped rod (6) is arranged on the base (1).

6. The reinforcing and fixing device for the liquid crystal display according to claim 5, wherein the limiting piece comprises a limiting plate (9) rotatably connected to the upper end of the base (1) through a rotating shaft, a clamping groove (10) is formed in the upper end of the limiting plate (9), and the lower end of the horizontal section of the T-shaped rod (6) abuts against the inner bottom of the clamping groove (10).