Ash cleaning and dipping mechanism for flat liquid crystal display

Abstract

The utility model relates to the technical field of liquid crystal screen deashing, and discloses a deashing dipping mechanism for a flat liquid crystal screen, which comprises a device base, two mutually symmetrical electric telescopic rods are mounted at the top of the device base, and when deashing is performed on the display screen, the electric telescopic rods can be started to drive a device main body to rise to a specified height, so that the display screen can be dedusted. The pushing device is arranged on the display screen, a rubber scraper on the pushing device makes contact with the dust sticking belt and the display screen, the pushing device is pushed to move in the plane direction of the display screen, floating dust on the surface of the display screen can be removed through the air injection mechanism at the moment, and then dust still existing on the surface of the display screen is scraped through the rubber scraper. And finally, residual dust on the surface of the display screen is removed through the dust sticking belt between the first roller body and the second roller body, so that the dust on the surface of the display screen can be quickly and effectively cleaned, the overall cleaning efficiency is improved, and the working danger coefficient of workers is reduced to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen cleaning equipment, in particular to a cleaning and dipping mechanism for a flat liquid crystal screen. Background Art

[0002] With the development of technology and economy, large video playback screens that were previously only available in squares in first- and second-tier cities are now installed in any small square for playing advertisements and videos. These screens are generally played in open-air squares. After power is turned on, more static electricity will be generated on the screen, and the static electricity will absorb solid particles in the air and attach them to the screen.

[0003] Conventional cleaning methods cannot clean the dust attached to the screen, and require manual cleaning of the screen using a hand-held device, which results in low work efficiency. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a dust-cleaning and picking-up mechanism for a flat liquid crystal screen to solve the above-mentioned technical problems.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust-cleaning and picking-up mechanism for a flat-panel liquid crystal screen, comprising a device base, characterized in that: two mutually symmetrical electric telescopic rods are installed on the top of the device base, the same device body is installed on the top of the two electric telescopic rods, an air jet mechanism is installed on the device body, two mutually symmetrical mounting blocks are provided on the side of the device body close to the air jet mechanism, a movable mounting plate is slidably connected between the two mounting blocks, a rubber scraper is provided on the movable mounting plate, a cavity is opened on the device body, four connecting rods are slidably arranged in the cavity, a first roller body and a second roller body are rotatably installed between every two connecting rods with the largest spacing, a dust-collecting belt is arranged between the first roller body and the second roller body, and four movable wheels are provided at the bottom of the device base.

[0008] Preferably, a limiting groove is provided on each of the four connecting rods, and two mutually symmetrical fixed cross bars are arranged in the cavity. The four connecting rods are slidably arranged on the two fixed cross bars through the limiting groove. A first guide rod is arranged in the limiting groove, and a sliding hole adapted to the first guide rod is provided on the fixed cross bar.

[0009] Preferably, a first compression spring is sleeved on the first guide rod, one end of the first compression spring is mounted on the inner wall of the limiting sliding groove, and the other end of the first compression spring is mounted on the fixed cross bar.

[0010] Preferably, a movable buckle is fixed to the connecting rod via two positioning bolts, and a rotating shaft at one end of the first roller body or the second roller body is rotatably installed in a rotating hole formed between the movable buckle and the connecting rod.

[0011] Preferably, grooves are provided on the inner sides of the two mounting blocks, the movable mounting plate is slidably arranged in the two grooves, second guide rods are provided in the grooves, and the movable mounting plate is slidably arranged on the two second guide rods.

[0012] Preferably, a second compression spring is sleeved on each of the two second guide rods, one end of the second compression spring is mounted on the inner wall of the groove, and the other end of the second compression spring is mounted on the movable mounting plate.

[0013] Preferably, the movable mounting plate is provided with two positioning protrusions, each of which is provided with a docking groove, and the rubber scraper is provided with two docking blocks that are symmetrical to each other and adapted to the docking groove, and the docking blocks are fixed to the positioning protrusions by fixing bolts.

[0014] Compared with the prior art, the present invention provides a dust removal mechanism for a flat LCD screen, which has the following beneficial effects:

[0015] 1. The utility model is provided with a dust collecting belt, a rubber scraper and an air jet mechanism, so that when cleaning the display screen, the main body of the device can be raised to a specified height by starting the electric telescopic rod, and the rubber scraper and the dust collecting belt on the device are pushed to contact the display screen, and the device is pushed to move along the plane direction of the display screen. At this time, the floating dust on the surface of the display screen can be first removed by the air jet mechanism, and then the dust still existing on the surface of the display screen can be scraped off by the rubber scraper. Finally, the residual dust on the surface of the display screen is removed by the dust collecting belt between the first roller body and the second roller body, so that the dust on the surface of the display screen can be cleaned quickly and effectively, thereby improving the overall cleaning efficiency and reducing the work risk factor of the staff to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a schematic cross-sectional view of the connecting rod, the first guide rod, the first compression spring and other structures of the present invention;

[0018] Figure 3 This is a schematic cross-sectional view of the connecting rod, fixed cross rod, first guide rod and other structures of the present invention;

[0019] Figure 4 It is a cross-sectional schematic diagram of the second guide rod, docking block and movable mounting plate structures of the present invention.

[0020] Among them: 1. Device base; 2. Moving wheel; 3. Electric telescopic rod; 4. Device body; 5. Jet mechanism; 6. Mounting block; 7. Rubber scraper; 8. First roller body; 9. Second roller body; 10. Connecting rod; 11. Cavity; 12. Fixing bolt; 13. Docking block; 14. Movable mounting plate; 15. Dust-collecting belt; 16. Movable buckle; 17. Positioning bolt; 18. Limiting slide groove; 19. First guide rod; 20. First compression spring; 21. Fixed cross bar; 22. Second guide rod; 23. Second compression spring; 24. Positioning bump. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] See also Figure 1-4A dust removal mechanism for a flat liquid crystal screen comprises a device base 1, two symmetrical electric telescopic rods 3 are installed on the top of the device base 1, the same device body 4 is installed on the top of the two electric telescopic rods 3, an air jet mechanism 5 is installed on the device body 4, two symmetrical mounting blocks 6 are provided on the side of the device body 4 close to the air jet mechanism 5, a movable mounting plate 14 is slidably connected between the two mounting blocks 6, a rubber scraper 7 is provided on the movable mounting plate 14, a cavity 11 is opened on the device body 4, four connecting rods 10 are slidably arranged in the cavity 11, a first roller 8 and a second roller 9 are rotatably installed between every two connecting rods 10 with the largest spacing, a dust-receiving belt 15 is arranged between the first roller 8 and the second roller 9, and four movable wheels 2 are provided at the bottom of the device base 1.

[0025] By providing the dust collecting belt 15, the rubber scraper 7 and the air jet mechanism 5, when cleaning the display screen, the device body 4 can be raised to a specified height by starting the electric telescopic rod 3, and the rubber scraper 7 and the dust collecting belt 15 on the device are pushed to contact the display screen, and the device is pushed to move along the plane direction of the display screen. At this time, the floating dust on the surface of the display screen can be first removed by the air jet mechanism 5, and then the dust still existing on the surface of the display screen can be scraped off by the rubber scraper 7. Finally, the residual dust on the surface of the display screen is removed by the dust collecting belt 15 between the first roller body 8 and the second roller body 9, so that the dust on the surface of the display screen can be cleaned quickly and effectively, thereby improving the overall cleaning efficiency and reducing the work risk factor of the staff to a certain extent.

[0026] Specifically, in this embodiment, a limiting groove 18 is provided on each of the four connecting rods 10, and two mutually symmetrical fixed cross bars 21 are arranged in the cavity 11. The four connecting rods 10 are slidably arranged on the two fixed cross bars 21 through the limiting groove 18. A first guide rod 19 is arranged in the limiting groove 18, and a sliding hole adapted to the first guide rod 19 is provided on the fixed cross bar 21.

[0027] By cooperating with each other, the limiting sliding groove 18 , the fixed cross bar 21 and the first guide rod 19 , the moving directions of the four connecting rods 10 can be guided and the moving ranges of the four connecting rods 10 can be limited.

[0028] Specifically, in this embodiment, a first compression spring 20 is sleeved on the first guide rod 19 , one end of the first compression spring 20 is mounted on the inner wall of the limiting sliding groove 18 , and the other end of the first compression spring 20 is mounted on the fixed cross bar 21 .

[0029] By setting the first compression spring 20, the connecting rod 10 can be pushed to drive the corresponding roller to always be in close contact with the surface of the display screen, thereby ensuring that the dust-absorbing belt 15 can effectively remove the residual dust on the surface of the display screen.

[0030] Specifically, in this embodiment, a movable buckle 16 is fixed to the connecting rod 10 by two positioning bolts 17 , and a rotating shaft at one end of the first roller body 8 or the second roller body 9 is rotatably installed in a rotating hole formed between the movable buckle 16 and the connecting rod 10 .

[0031] By setting the movable buckle 16 and the positioning bolt 17, when the dust belt 15 needs to be replaced, the positioning bolt 17 can be unscrewed to separate the movable buckle 16 from the connecting rod 10, and then the first roller body 8 and the second roller body 9 can be removed from the connecting rod 10, thereby realizing the replacement of the dust belt 15.

[0032] Specifically, in this embodiment, grooves are provided on the inner sides of the two mounting blocks 6, and the movable mounting plate 14 is slidably arranged in the two grooves. Second guide rods 22 are provided in the grooves. The movable mounting plate 14 is slidably arranged on the two second guide rods 22. The two second guide rods 22 are both sleeved with second compression springs 23. One end of the second compression spring 23 is installed on the inner wall of the groove, and the other end of the second compression spring 23 is installed on the movable mounting plate 14.

[0033] By cooperating with the second guide rod 22 and the second compression spring 23 and other structures, the moving direction and moving range of the movable mounting plate 14 can be limited, and the second compression spring 23 can enable the movable mounting plate 14 to always be tightly attached to the inner wall of one side of the groove, thereby achieving the goal of always pressing the rubber scraper 7 against the surface of the display screen, so that it can effectively scrape off the dust on the surface of the display screen.

[0034] Specifically, in this embodiment, two positioning protrusions 24 are protruding from the movable mounting plate 14, and a docking groove is opened on the positioning protrusion 24. Two docking blocks 13 that are symmetrical to each other and adapted to the docking groove are arranged on the rubber scraper 7. The docking blocks 13 and the positioning protrusions 24 are connected and fixed by fixing bolts 12.

[0035] By cooperating with each other, the positioning protrusion 24, the docking block 13 and the fixing bolt 12, etc., it is convenient to separate the docking block 13 and the positioning protrusion 24 on the rubber scraper 7 by loosening the fixing bolt 12 when the rubber scraper 7 needs to be cleaned and maintained, thereby realizing rapid disassembly and assembly of the rubber scraper 7.

[0036] 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, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal mechanism for a flat-panel liquid crystal display, comprising a device base, characterized in that: Two symmetrical electric telescopic rods are installed on the top of the device base, and the same device body is installed on the top of the two electric telescopic rods. An air jet mechanism is installed on the device body, and two symmetrical mounting blocks are provided on the side of the device body close to the air jet mechanism. A movable mounting plate is slidably connected between the two mounting blocks, and a rubber scraper is provided on the movable mounting plate. A cavity is opened on the device body, and four connecting rods are slidably arranged in the cavity. A first roller body and a second roller body are rotatably installed between every two connecting rods with the largest spacing, and a dust-collecting belt is arranged between the first roller body and the second roller body. Four movable wheels are provided at the bottom of the device base.

2. The dust removal mechanism for a flat-panel liquid crystal display according to claim 1, characterized in that: The four connecting rods are all provided with a limiting slide groove, and two mutually symmetrical fixed cross bars are arranged in the cavity. The four connecting rods are all slidably arranged on the two fixed cross bars through the limiting slide groove. A first guide rod is arranged in the limiting slide groove, and a sliding hole adapted to the first guide rod is provided on the fixed cross bar.

3. The dust removal mechanism for a flat-panel liquid crystal display according to claim 2, characterized in that: A first compression spring is sleeved on the first guide rod, one end of the first compression spring is installed on the inner wall of the limiting sliding groove, and the other end of the first compression spring is installed on the fixed cross bar.

4. The dust removal mechanism for a flat-panel liquid crystal display according to claim 1, characterized in that: A movable buckle is fixed on the connecting rod through two positioning bolts, and a rotating shaft at one end of the first roller body or the second roller body is rotatably installed in a rotating hole formed between the movable buckle and the connecting rod.

5. The dust removal mechanism for a flat-panel liquid crystal display according to claim 1, characterized in that: The inner sides of the two mounting blocks are both provided with grooves, the movable mounting plate is slidably arranged in the two grooves, second guide rods are arranged in the grooves, and the movable mounting plate is slidably arranged on the two second guide rods.

6. The dust removal mechanism for a flat-panel liquid crystal display according to claim 5, characterized in that: A second compression spring is sleeved on each of the two second guide rods. One end of the second compression spring is mounted on the inner wall of the groove, and the other end of the second compression spring is mounted on the movable mounting plate.

7. The dust removal mechanism for a flat-panel liquid crystal display according to claim 1, characterized in that: The movable mounting plate is provided with two positioning protrusions, each of which is provided with a docking groove. The rubber scraper is provided with two docking blocks that are symmetrical to each other and matched with the docking groove. The docking blocks are fixed to the positioning protrusions by fixing bolts.

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