CN213832883U

CN213832883U - Liquid crystal screen protection device

Info

Publication number: CN213832883U
Application number: CN202022456620.XU
Authority: CN
Inventors: 王林涛
Original assignee: Tianjin Baiding Technology Co ltd
Current assignee: Tianjin Baiding Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-30
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a LCD screen protection device especially relates to the LCD screen field. In order to solve the LCD screen that exists among the prior art liquid crystal glazing stabs the problem that the underlying structures such as board in a poor light caused the secondary damage when transporting, include: place board, fixed knot structure, turn to structure, extending structure and negative pressure structure, set firmly the multiunit fixed knot along the circumference of placing the board and construct and turn to the structure, turn to the structure top and set firmly extending structure perpendicularly, the extending structure keeps away from the tip that turns to the structure and has set firmly negative pressure structure. The device has fixed knot to construct and negative pressure structure, can fix the liquid crystal glazing that the LCD screen in the transportation explodes and splits, has avoided liquid crystal glazing stabs structures such as the board that is located the LCD screen bottom and causes the secondary damage in jolting, has avoided the unnecessary loss.

Description

Liquid crystal screen protection device

Technical Field

The utility model relates to a device in LCD screen field especially relates to a LCD screen protection device.

Background

The seamless splicing technology of the liquid crystal screen is that a plurality of liquid crystal screens are spliced for use, the seamless splicing technology of the liquid crystal screen is widely applied to various occasions for propaganda or serving as a large display screen, the LCD liquid crystal splicing screen is taken as an example and comprises an integrally formed liquid crystal glass A and a back plate light reflecting part B, the liquid crystal glass is constructed by two parallel glass sheets for placing liquid crystals, a plurality of vertical and horizontal fine electric wires are arranged between the two glass sheets, whether the two glass sheets are electrified or not is used for controlling rod-shaped crystal molecules to change directions, light is refracted out to generate pictures, a backlight plate (or called as a uniform light plate) and a reflective film are arranged on the back of the liquid crystal display, the backlight plate is composed of fluorescent substances and can emit light, and the seamless splicing technology mainly plays a role of providing an even background light source. Light from the backlight, after passing through the first polarization filter layer, enters the liquid crystal layer containing thousands of liquid crystal droplets, and displays a desired image.

The most common is that the screen receives the impact and explodes and splits when maintaining LCD screen, we find that the liquid crystal glazing that often damages is in the LCD screen top layer, owing to can't maintain at the scene of accident, so need transport the LCD screen that damages back to the maintenance factory and maintain, but in the in-process of transportation because jolt the reason of rocking and lead to the liquid crystal glazing that the LCD screen explodes to stab and lie in structures such as the board that is shaded at the LCD screen bottom and cause the secondary damage, lead to this structure that does not damage to suffer to destroy and cause the unnecessary loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid crystal screen protection device to the liquid crystal glazing stabs the problem that the board isotructure in a poor light under the bottom caused the secondary injury when the transportation of solution among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of LCD screen protection device, include: place board, fixed knot construct, turn to structure, extending structure and negative pressure structure, follow the circumference of placing the board has set firmly the multiunit fixed knot structure reaches turn to the structure, it has set firmly perpendicularly to turn to the structure top extending structure, extending structure keeps away from the tip that turns to the structure has set firmly negative pressure structure.

Preferably, the negative pressure structure comprises an air duct, a rubber bowl, an adjusting rod, an adjusting cylinder, an adjusting screw, an air suction cylinder, a rubber piston, a pull rod, a negative pressure nut and a positioning frame, wherein the fixed end of the adjusting cylinder is vertically and fixedly arranged on one side of the telescopic rod close to the liquid crystal display screen, the connecting end of the adjusting cylinder is slidably sleeved with the adjusting rod, an adjusting thread through hole is formed in the outer circumference of the adjusting cylinder along the direction vertical to the length direction of the adjusting rod, the adjusting screw is matched with the adjusting thread through hole to tightly press the adjusting rod, the rubber bowl is fixedly arranged at one end of the adjusting rod close to the liquid crystal display screen, the air suction cylinder is vertically and fixedly arranged on one side of the telescopic rod far away from the liquid crystal display screen, the positioning frame is fixedly arranged at the opening at the top of the air suction cylinder, a through hole is formed in the middle part of the positioning frame along the vertical direction, the rubber piston is arranged in the air suction cylinder in a sealing and sliding manner, the utility model discloses a rubber suction tube, including a rubber bowl, pull rod, rubber piston, air pump, air suction tube, pull rod surface have a helicitic texture just the pull rod passes through-hole on the locating rack, the pull rod stiff end connect in rubber piston, the pull rod is worn out the locating rack just keeps away from rubber piston pull rod one end is rotated and is connected with the negative pressure nut, rubber piston with the inside negative pressure space that constitutes of air pump, the negative pressure space passes through the air duct with rubber bowl inner space intercommunication.

Preferably, the fixed knot constructs including ejector pin, roof, fixation nut, spring and block rubber, the roof sets firmly perpendicularly place on the board lateral wall all around, the ejector pin runs through the roof just the ejector pin can be relative the roof freely slides, the ejector pin is close to liquid crystal display one end and has set firmly the block rubber, the ejector pin is kept away from liquid crystal display one end and is rotated and be connected with fixation nut, the ejector pin be located the block rubber with the cover is equipped with on the outer circumference of ejector pin between the roof the spring.

Preferably, the steering structure comprises a steering screw, a steering cylinder and a rotating rod, the steering cylinder is vertically and fixedly arranged on the peripheral side wall of the placing plate, a steering thread through hole is formed in the outer circumference of the steering cylinder, the rotating rod is movably sleeved in the steering cylinder, and the steering screw is matched with the steering thread through hole to compress the rotating rod.

Preferably, extending structure includes a telescopic cylinder, telescopic link and telescopic screw, a telescopic cylinder sets firmly perpendicularly the bull stick is kept away from turn to a section of thick bamboo the tip of bull stick, a telescopic cylinder slip cap is equipped with the telescopic link, telescopic screw through-hole has been seted up to a telescopic cylinder outer circumference, telescopic screw cooperation telescopic screw through-hole compresses tightly the telescopic link.

The utility model provides a pair of LCD screen protection device beneficial effect is: the device has fixed knot to construct and negative pressure structure, can fix the liquid crystal glazing that the LCD screen in the transportation explodes and splits, has avoided liquid crystal glazing stabs structures such as the board that is located the LCD screen bottom and causes the secondary damage in jolting, has avoided the unnecessary loss.

Drawings

Fig. 1 is a schematic view of the general structure of the lcd panel protection device in a top view.

Fig. 2 is a schematic view of the negative pressure structure of the lcd panel protection device of the present invention.

Fig. 3 is a schematic view of a fixing structure of the lcd panel protection device of the present invention.

In the figure: 1. placing the plate; 2. a fixed structure; 3. a steering structure; 4. a telescopic structure; 5. a negative pressure structure; 6. a top rod; 7. a top wall; 8. fixing a nut; 9. a spring; 10. a rubber block; 11. a steering screw; 12. a steering cylinder; 13. a rotating rod; 14. a telescopic cylinder; 15. a telescopic rod; 16. a telescopic screw; 17. a liquid crystal display screen; 18. an air duct; 19. a rubber bowl; 20. adjusting a rod; 21. an adjusting cylinder; 22. an adjusting screw; 23. an air pumping cylinder; 24. a rubber piston; 25. a pull rod; 26. a negative pressure nut; 27. a positioning frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.

Referring to fig. 1, 2 and 3, the lcd panel protecting apparatus as shown includes: place board 1, fixed knot construct 2, turn to structure 3, extending structure 4 and negative pressure structure 5, set firmly multiunit fixed knot structure 2 and turn to structure 3 along the circumference of placing board 1, turn to structure 3 top and set firmly extending structure 4 perpendicularly, and extending structure 4 keeps away from the tip that turns to structure 3 and has set firmly negative pressure structure 5.

The negative pressure structure 5 comprises an air duct 18, a rubber bowl 19, an adjusting rod 20, an adjusting cylinder 21, an adjusting screw 22, an air extracting cylinder 23, a rubber piston 24, a pull rod 25, a negative pressure nut 26 and a positioning frame 27, wherein the fixed end of the adjusting cylinder 21 is vertically welded and fixedly arranged on one side of the telescopic rod 15 close to the liquid crystal display screen 17, the connecting end of the adjusting cylinder 21 is slidably sleeved with the adjusting rod 20, the outer circumference of the adjusting cylinder 21 is provided with an adjusting thread through hole along the length direction of the vertical adjusting rod 20, the adjusting screw 22 is matched with the adjusting thread through hole to compress the adjusting rod 20, one end of the adjusting rod 20 close to the liquid crystal display screen is fixedly connected with the rubber bowl 19 in an adhesive manner, the air extracting cylinder 23 is vertically welded and fixedly arranged on one side of the telescopic rod 15 far away from the liquid crystal display screen, the opening at the top of the air extracting cylinder 23 is fixedly welded with the positioning frame 27, the middle part of the positioning frame 27 is provided with a through hole along the vertical direction, the rubber piston 24 is arranged in the air extracting cylinder 23 in a sealing and sliding manner, the surface of the pull rod 25 is provided with a thread structure, and the pull rod 25 passes through the through hole on the positioning frame 27, the fixed end of the pull rod 25 is connected to the rubber piston 24 in an adhesive manner, the pull rod 25 penetrates through the positioning frame 27, one end of the pull rod 25, which is far away from the rubber piston 24, is rotatably connected with a negative pressure nut 26, the rubber piston 24 and the inner part of the air suction tube 23 form a negative pressure space, and the negative pressure space is communicated with the inner space of the rubber cup 19 through the air duct 18.

Fixed knot constructs 2 and includes ejector pin 6, roof 7, fixation nut 8, spring 9 and block rubber 10, roof 7 vertical welding sets firmly on placing board 1 lateral wall all around, ejector pin 6 runs through roof 7 and ejector pin 6 can be relative roof 7 free slip, ejector pin 6 is close to liquid crystal display one end and splices and has set firmly block rubber 10, ejector pin 6 is kept away from liquid crystal display one end and is rotated and be connected with fixation nut 8, the cover is equipped with spring 9 on the outer circumference of ejector pin 6 that ejector pin 6 is located between block rubber 10 and the roof 7.

Turn to structure 3 including turning to screw 11, a steering cylinder 12 and bull stick 13, turn to a steering cylinder 12 vertical welding set firmly on placing board 1 lateral wall all around and turn to a steering cylinder 12 outer circumference and seted up and turn to the screw thread through-hole, turn to the inside movable sleeve of a steering cylinder 12 and be equipped with bull stick 13, turn to screw 11 cooperation and turn to the screw thread through-hole and compress tightly bull stick 13.

The telescopic structure 4 comprises a telescopic cylinder 14, a telescopic rod 15 and a telescopic screw 16, wherein the telescopic cylinder 14 is perpendicularly welded and fixedly arranged at the end part of the rotating rod 13 far away from the rotating rod 12 of the rotating cylinder 13, the telescopic cylinder 14 is slidably sleeved with the telescopic rod 15, a telescopic thread through hole is formed in the outer circumference of the telescopic cylinder 14, and the telescopic screw 16 is matched with the telescopic thread through hole to compress the telescopic rod 15.

When in use, the damaged liquid crystal display screen 17 is placed on the placing plate 1 and the fixing nuts 8 around the placing plate 1 are rotated to fix the position of the liquid crystal display screen 17, the rubber bowl 19 is lightly attached to the large liquid crystal glass which is cracked, the negative pressure nut 26 is rotated, so that the rubber bowl 19 and the liquid crystal glass are tightly sucked, and after the operation is completed, the steering screw 11 and the telescopic screw 16 are screwed up to complete the fixation. The device has fixed knot to construct and negative pressure structure, can fix the liquid crystal glazing that the LCD screen in the transportation explodes and splits, has avoided liquid crystal glazing stabs structures such as the board that is located the LCD screen bottom and causes the secondary damage in jolting, has avoided the unnecessary loss.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid crystal screen protection device, comprising: a placing plate (1), a fixed structure (2), a steering structure (3), a telescopic structure (4) and a negative pressure structure (5), wherein,

along place the circumference of board (1) has set firmly the multiunit fixed knot structure (2) reach turn to structure (3), turn to structure (3) top and set firmly extending structure (4) perpendicularly, extending structure (4) are kept away from the tip that turns to structure (3) has set firmly negative pressure structure (5).

2. The lcd screen saver of claim 1, wherein: negative pressure structure (5) include air duct (18), rubber bowl (19), adjust pole (20), adjust a section of thick bamboo (21), adjusting screw (22), aspiration cylinder (23), rubber piston (24), pull rod (25), negative pressure nut (26) and locating rack (27), it sets firmly perpendicularly in telescopic link (15) to adjust a section of thick bamboo (21) stiff end and is close to liquid crystal display one side just adjust pole (20) link slip cover, adjust a section of thick bamboo (21) outer circumference along perpendicular adjust pole (20) length direction and seted up adjusting screw through-hole, adjusting screw (22) cooperation adjusting screw through-hole compresses tightly adjust pole (20), it has set firmly to adjust pole (20) to be close to liquid crystal display one end rubber bowl (19), aspiration cylinder (23) set firmly perpendicularly telescopic link (15) keep away from liquid crystal display one side just aspiration cylinder (23) top opening part set firmly locating rack (27) ) The utility model discloses a rubber piston, through-hole has been seted up along the vertical direction in locating rack (27) middle part, aspiration cylinder (23) internal seal slides and is provided with rubber piston (24), pull rod (25) surface has screw structure just pull rod (25) pass through-hole on locating rack (27), pull rod (25) stiff end connect in rubber piston (24), pull rod (25) are worn out locating rack (27) and are kept away from rubber piston (24) pull rod (25) one end is rotated and is connected with negative pressure nut (26), rubber piston (24) with the inside negative pressure space that constitutes of aspiration cylinder (23), the negative pressure space passes through air duct (18) with rubber bowl (19) inner space intercommunication.

3. The lcd screen saver of claim 1, wherein: fixed knot constructs (2) including ejector pin (6), roof (7), fixation nut (8), spring (9) and block rubber (10), roof (7) set firmly perpendicularly place board (1) on the lateral wall all around, ejector pin (6) run through roof (7) just ejector pin (6) can be relative roof (7) freely slide, ejector pin (6) are close to liquid crystal display one end and have set firmly block rubber (10), liquid crystal display one end is kept away from in ejector pin (6) and is rotated and be connected with fixation nut (8), ejector pin (6) are located block rubber (10) with between roof (7) the cover is equipped with on the outer circumference of ejector pin (6) spring (9).

4. The lcd screen saver of claim 1, wherein: turn to structure (3) including turning to screw (11), a section of thick bamboo (12) and bull stick (13), turn to a section of thick bamboo (12) and set firmly perpendicularly place on board (1) lateral wall all around just turn to a section of thick bamboo (12) outer circumference seted up and turn to the screw thread through-hole, turn to an inside movable sleeve of section of thick bamboo (12) and be equipped with bull stick (13), turn to screw (11) cooperation turn to the screw thread through-hole and compress tightly bull stick (13).

5. The lcd screen saver of claim 4, wherein: extending structure (4) are including a telescopic cylinder (14), telescopic link (15) and telescopic screw (16), a telescopic cylinder (14) sets firmly perpendicularly bull stick (13) are kept away from turn to a section of thick bamboo (12) the tip of bull stick (13), a telescopic cylinder (14) slip cover is equipped with telescopic link (15), flexible screw thread through-hole has been seted up to the outer circumference of a telescopic cylinder (14), telescopic screw (16) cooperation flexible screw thread through-hole compresses tightly telescopic link (15).