CN216623664U - A liquid crystal display screen with good dustproof effect - Google Patents

Abstract

The utility model discloses a liquid crystal display screen with a good dustproof effect, which comprises a display screen body, wherein the back surface of the display screen body is fixedly connected with a fixing frame, a cavity is formed in the fixing frame, the inner wall of the cavity is fixedly connected with a partition plate, the upper surface of the fixing frame is provided with a through hole, the inner wall of the through hole is fixedly connected with a negative pressure fan, the air inlet end of the negative pressure fan is fixedly connected with a connecting pipe, the top end of the connecting pipe is fixedly connected with a dust hood, and the lower surface of the fixing frame is provided with a dust removal mechanism. This dustproof effectual liquid crystal display through setting up negative-pressure air fan, in being convenient for introduce the cavity of mount with the dust in the air, under the effect of filter bag, absorbs the dust to when the display screen body uses, collect the dust on every side, thereby need not clear up, take out the rectangle frame and can maintain the filter bag, reduce the danger of maintaining, the wind that negative-pressure air fan produced simultaneously can dispel the heat the cooling to the display screen body.

Description

A liquid crystal display screen with good dustproof effect

technical field

The utility model relates to the technical field of liquid crystal display screens, in particular to a liquid crystal display screen with good dustproof effect.

Background technique

The liquid crystal display uses the liquid crystal solution in two polarized materials, so that when the current passes through the liquid, the crystal will be rearranged to achieve the purpose of imaging.

At present, for the large-scale liquid crystal display on the wall, due to the exposure, the surface is easy to accumulate dust, and it is dangerous for personnel to climb up to clean the liquid crystal display.

Therefore, we propose a liquid crystal display with good dustproof effect.

Utility model content

The purpose of the present invention is to provide a liquid crystal display screen with good dust-proof effect, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a liquid crystal display screen with good dust-proof effect, comprising a display screen body, a fixing frame is fixedly connected to the back of the display screen body, and a fixing frame is opened inside the fixing frame. A cavity, the inner wall of the cavity is fixedly connected with a partition plate, the upper surface of the fixing frame is provided with a through hole, and the inner wall of the through hole is fixedly connected with a negative pressure fan, and the air inlet end of the negative pressure fan is fixedly connected There is a connecting pipe, the top of the connecting pipe is fixedly connected with a dust hood, the lower surface of the fixing frame is provided with a dust removal mechanism, and the upper surface of the display screen body is provided with a dust blocking mechanism.

Preferably, the back of the fixing frame is fixedly connected with two mounting frames, and the back of the mounting frame is provided with mounting holes.

Preferably, the dust removal mechanism includes a rectangular hole opened on the lower surface of the fixing frame, and the inner wall of the rectangular hole is slidably connected with a rectangular frame, the upper surface of the rectangular frame overlaps with the lower surface of the partition, and the rectangular frame The lower surface is fixedly connected with a fixing block, the lower surface of the fixing block is fixedly connected with a handle, the lower surface of the fixing frame is provided with an L-shaped groove, and the inner wall of the L-shaped groove is slidably connected with an inverted L-shaped locking block, so The front side of the rectangular frame is provided with a limit groove adapted to the inverted L-shaped locking block.

Preferably, a compression spring is fixedly connected to the front of the inverted L-shaped locking block, and the other end of the compression spring is fixedly connected to the inner rear wall of the L-shaped groove.

Preferably, the back of the rectangular frame is provided with a circular groove, and the inner wall of the circular groove is slidably connected with a sliding column, the rear end of the sliding column is fixedly connected with a pressure block, and the opposite surface of the pressure block and the rectangular frame is provided with filter bag.

Preferably, a tension spring is fixedly connected to the front end of the sliding column, and the other end of the tension spring is fixedly connected to the inner rear wall of the circular groove.

Preferably, the front surface of the fixing frame is provided with a plurality of air intake holes extending into the interior of the display screen body.

Preferably, the dust blocking mechanism includes a fixed casing fixedly connected to the upper surface of the display screen body, the inner walls on both sides of the fixed casing are rotatably connected with rotating rollers through bearings, and the outer surfaces of the rotating rollers are provided with protective shields. The bottom end of the protective cloth is fixedly connected with a counterweight block, the top view of the counterweight block is a zigzag structure, and both sides of the display screen body are provided with a chute adapted to the counterweight block.

Preferably, a side surface of the fixed housing is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with one end of the rotating roller.

Preferably, the lower surface of the fixed casing is provided with a through groove adapted to the protective cloth.

beneficial effect

The utility model provides a liquid crystal display screen with good dustproof effect, which has the following beneficial effects:

1. The liquid crystal display with good dustproof effect is equipped with a negative pressure fan to facilitate the introduction of dust in the air into the cavity of the fixed frame. Under the action of the filter bag, the dust is absorbed, so that it can be used in the display body. When the filter bag is installed, the surrounding dust is collected, so there is no need to clean it, and the filter bag can be maintained by pulling out the rectangular frame, which reduces the risk of maintenance. At the same time, the wind generated by the negative pressure fan can cool the display screen body.

2. The LCD screen with good dust-proof effect is provided with a dust-blocking mechanism, so that when the LCD screen is not in use, the start of the servo motor can expose the protective cloth to protect the display screen body, so as to facilitate the protection of the LCD screen during idle periods. dust.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Figure 2 is a schematic diagram of the back three-dimensional structure of the utility model;

Figure 3 is a schematic diagram of a side sectional structure of the present utility model;

Fig. 4 is a schematic view of the enlarged structure at the place A in Fig. 3 of the present utility model;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 3 of the present utility model.

In the picture: 1 display body, 2 fixing frame, 3 partition, 4 negative pressure fan, 5 connecting pipe, 6 dust cover, 7 mounting frame, 8 rectangular frame, 9 fixing block, 10 handle, 11 inverted L-shaped lock Tightening block, 12 compression spring, 13 sliding column, 14 pressing block, 15 filter bag, 16 tension spring, 17 fixed shell, 18 rotating roller, 19 protective cloth, 20 counterweight, 21 servo motor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: a liquid crystal display screen with good dustproof effect, comprising a display screen body 1, and a fixing frame 2 is fixedly connected to the back of the display screen body 1. Two mounting brackets 7 are fixedly connected to the back, and mounting holes are opened on the back of the mounting brackets 7 . By setting the mounting brackets 7 , it is convenient to fix the liquid crystal display screen.

The interior of the fixing frame 2 is provided with a cavity, the inner wall of the cavity is fixedly connected with a partition 3, the front of the fixing frame 2 is provided with a number of air intake holes extending to the interior of the display screen body 1, and the upper surface of the fixing frame 2 is provided with A negative pressure fan 4 is fixedly connected to the inner wall of the through hole, a connecting pipe 5 is fixedly connected to the air inlet end of the negative pressure fan 4, and a dust hood 6 is fixedly connected to the top of the connecting pipe 5.

The lower surface of the fixing frame 2 is provided with a dust removal mechanism, and the dust removal mechanism includes a rectangular hole opened on the lower surface of the fixing frame 2, and the inner wall of the rectangular hole is slidably connected with a rectangular frame 8, and the upper surface of the rectangular frame 8 is connected with the lower surface of the partition 3. Overlap, the lower surface of the rectangular frame 8 is fixedly connected with a fixing block 9, the lower surface of the fixing block 9 is fixedly connected with a handle 10, the lower surface of the fixing frame 2 is provided with an L-shaped groove, and the inner wall of the L-shaped groove is slidably connected with inverted L-shaped locking block 11, a compression spring 12 is fixedly connected to the front of the inverted L-shaped locking block 11, and the other end of the compression spring 12 is fixedly connected to the inner rear wall of the L-shaped groove. By setting the inverted L-shaped locking block 11 and the compression spring 12, it is convenient to make the inverted L-shaped locking block 11 snap into the rectangular frame 8 under the compression of the compression spring 12. It is convenient to fix the rectangular frame 8 , while pulling the inverted L-shaped locking block 11 and pulling the handle 10 to remove the rectangular frame 8 .

The back of the rectangular frame 8 is provided with a circular groove, and the inner wall of the circular groove is slidably connected with a sliding column 13, the front end of the sliding column 13 is fixedly connected with a tension spring 16, and the other end of the tension spring 16 is fixedly connected with the inner rear wall of the circular groove, A pressure block 14 is fixedly connected to the rear end of the sliding column 13 , and a filter bag 15 is arranged on the opposite surface of the pressure block 14 and the rectangular frame 8 . The block 14 and the rectangular frame 8 fix the filter bag 15, thereby facilitating the maintenance of the filter bag 15. By setting the negative pressure fan 4, it is convenient to introduce dust in the air into the cavity of the fixing frame 2. Under the action of the filter bag 15 , to absorb dust, so that when the display screen body 1 is in use, the surrounding dust is collected, so that no cleaning is required, and the filter bag 15 can be maintained by pulling out the rectangular frame 8, reducing the risk of maintenance, while the negative pressure fan 4 The generated wind can dissipate and cool down the display screen body 1 through the air intake holes.

The upper surface of the display screen body 1 is provided with a dust blocking mechanism. The dust blocking mechanism includes a fixed casing 17 fixedly connected to the upper surface of the display screen body 1. The inner walls of the two sides of the fixed casing 17 are rotatably connected with rotating rollers 18 through bearings. The side surface of the casing 17 is fixedly connected with a servo motor 21, the output end of the servo motor 21 is fixedly connected with one end of the rotating roller 18, the outer surface of the rotating roller 18 is surrounded by a protective cloth 19, and the lower surface of the fixed casing 17 The protective cloth 19 is adapted to the through groove. The bottom end of the protective cloth 19 is fixedly connected with a counterweight 20. The top view of the counterweight 20 is in a shape of a shape. The matching chute is provided with a dust blocking mechanism, so that when the liquid crystal display screen is not in use, the activation of the servo motor 21 exposes the protective cloth 19 to protect the display screen body 1, so as to facilitate dustproofing during the idle period.

Working principle: When using the LCD screen with good dust-proof effect, use the mounting bracket 7 to fix the LCD screen on the wall. When in use, the start of the negative pressure fan 4 will generate negative pressure in the cavity of the fixing bracket 2. , Under the action of negative pressure, the dust enters the cavity through the dust cover 6, the dust is blocked by the filter bag 15, and the passing wind dissipates heat to the display screen body 1. After use, start the servo motor 21 to make the rotating roller 18 Rotate, drive the protective cloth 19 down, and protect the display screen body 1 from dust. After a period of time, pull the inverted L-shaped locking block 11, then pull the handle 10, pull out the rectangular frame 8, then pull the pressure block 14, and remove the filter bag 15 can be maintained. By using the liquid crystal display screen with good dustproof effect, the filter bag 15 can be maintained by pulling out the rectangular frame 8 without cleaning, thereby reducing the risk of maintenance.

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

Claims (10)

1. The utility model provides a liquid crystal display that dustproof effectual, includes display screen body (1), its characterized in that: the utility model discloses a dust removal display screen, including display screen body (1), the inside of mount (2) has been seted up to the back fixedly connected with mount (2), the cavity has been seted up to the inside of mount (2), the inner wall fixedly connected with baffle (3) of cavity, the through-hole has been seted up to the upper surface of mount (2), and the inner wall fixedly connected with negative-pressure air fan (4) of through-hole, the air inlet end fixedly connected with connecting pipe (5) of negative-pressure air fan (4), the top fixedly connected with suction hood (6) of connecting pipe (5), the lower surface of mount (2) is provided with dust removal mechanism, the upper surface of display screen body (1) is provided with keeps off dirt mechanism.

2. The liquid crystal display screen with good dustproof effect according to claim 1, characterized in that: the back of mount (2) is fixedly connected with two mounting brackets (7), the mounting hole has been seted up at the back of mounting bracket (7).

3. The liquid crystal display screen with good dustproof effect according to claim 1, characterized in that: dust removal mechanism is including offering the rectangular hole at mount (2) lower surface, and the inner wall sliding connection in rectangular hole has rectangle frame (8), the upper surface of rectangle frame (8) and the lower surface overlap joint of baffle (3), the lower fixed surface of rectangle frame (8) is connected with fixed block (9), the lower fixed surface of fixed block (9) is connected with handle (10), L type groove has been seted up to the lower surface of mount (2), and the inner wall sliding connection in L type groove has the type of falling L latch segment (11), the spacing groove with the type of falling L latch segment (11) adaptation is seted up in the front of rectangle frame (8).

4. The liquid crystal display screen with good dustproof effect according to claim 3, characterized in that: the front face of the inverted L-shaped locking block (11) is fixedly connected with a compression spring (12), and the other end of the compression spring (12) is fixedly connected with the inner rear wall of the L-shaped groove.

5. The liquid crystal display screen with good dustproof effect according to claim 3, characterized in that: the round groove is formed in the back face of the rectangular frame (8), the sliding column (13) is connected to the inner wall of the round groove in a sliding mode, a pressing block (14) is fixedly connected to the rear end of the sliding column (13), and a filter bag (15) is arranged on the opposite face of the pressing block (14) and the rectangular frame (8).

6. The liquid crystal display screen with good dustproof effect according to claim 5, characterized in that: the front end of the sliding column (13) is fixedly connected with a tension spring (16), and the other end of the tension spring (16) is fixedly connected with the inner rear wall of the circular groove.

7. The liquid crystal display screen with good dustproof effect according to claim 1, characterized in that: the front surface of the fixing frame (2) is provided with a plurality of air inlets extending to the interior of the display screen body (1).

8. The liquid crystal display screen with good dustproof effect according to claim 1, characterized in that: the dust blocking mechanism comprises a fixed shell (17) fixedly connected to the upper surface of the display screen body (1), the inner walls of the two sides of the fixed shell (17) are rotatably connected with a rotating roller (18) through bearings, protective cloth (19) is wound on the outer surface of the rotating roller (18), a balancing weight (20) is fixedly connected to the bottom end of the protective cloth (19), the balancing weight (20) is of a U-shaped structure when overlooking, and sliding grooves matched with the balancing weight (20) are formed in the two sides of the display screen body (1).

9. The liquid crystal display screen with good dustproof effect according to claim 8, characterized in that: the side face of the fixed shell (17) is fixedly connected with a servo motor (21), and the output end of the servo motor (21) is fixedly connected with one end of the rotating roller (18).

10. The liquid crystal display screen with good dustproof effect according to claim 8, characterized in that: the lower surface of the fixed shell (17) is provided with a through groove matched with the protective cloth (19).

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