Automatic cleaning device for projector lens

Abstract

The utility model discloses an automatic cleaning device for a projector lens, which relates to the technical field of projector lens cleaning and comprises a driving component, the driving component is fixedly mounted at the lower end of a projector support, a connecting frame is fixedly mounted on the driving component, and a movable cleaning component is movably mounted on the connecting frame. The movable cleaning assembly is composed of square rods, an anti-falling plate, springs, a base plate, a T-shaped strip and an anti-static rubber scraper, the two square rods are symmetrically and fixedly installed at the rear end of the anti-falling plate, the two springs are arranged on the two square rods in a sleeving mode respectively, and the base plate is fixedly installed at the rear ends of the two square rods; by arranging the automatic projector lens cleaning device composed of the driving assembly, the connecting frame and the movable cleaning assembly, the motor is used for driving the lead screw to drive the sliding table to move, so that the connecting frame and the movable cleaning assembly slide back and forth along the surface of the front end of the projector body, and the automatic lens cleaning function of the projector body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to projector lens cleaning technical field, especially a kind of projector lens automatic cleaning device. BACKGROUND

[0002] With the extensive application of modern office, education and family entertainment field to projection equipment, the installation mode that projector is fixed in high position such as ceiling or wall by mounting support has become mainstream, and its advantage is to effectively save space and avoid light obstruction in use process.However, the main performance of the technical problems existing in the prior art is that when the projector is suspended in high position for long-term use, dust particles in air are easy to form attachment accumulation on the lens surface, so that the clear projection of the projector can be affected, resulting in that user needs to clean and maintain the lens regularly.As the installation position of projector is higher, user needs to use ladder and other auxiliary tools to operate, which not only has safety hazard, but also increases maintenance cost, therefore, the present application provides a kind of projector lens automatic cleaning device. UTILITY MODEL CONTENT

[0003] The main purpose of the utility model is to provide a kind of projector lens automatic cleaning device, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of projector lens automatic cleaning device, including drive assembly, the drive assembly is fixedly installed in the lower end of projector support, connection frame is fixedly installed on the drive assembly, movable cleaning assembly is movably installed on the connection frame, the movable cleaning assembly is composed of square bar, anti-drop plate, spring, base plate, T-shaped strip, anti-static rubber scraper, the square bar is two and symmetrically fixedly installed in the rear end of anti-drop plate, the spring is two and is respectively sleeved on two square rods, the base plate is fixedly installed in the rear end of two square rods, the T-shaped strip is fixedly installed in the rear end of base plate, the anti-static rubber scraper is sleeved on T-shaped strip, and the anti-static rubber scraper is in contact with the front end of projector main body under the elastic force of spring.

[0006] Preferably, the projector main body is fixedly installed in the projector support.

[0007] Preferably, the drive assembly is composed of base frame, motor, lead screw and sliding table, the base frame is fixedly installed in the lower end of projector support, the motor is fixedly installed on the base frame, the lead screw is rotatably installed on the base frame, and the lead screw is fixedly connected with the output shaft of motor, the sliding table is slidably installed on the base frame, and the sliding table is installed on the lead screw at the same time.

[0008] Preferably, the connecting frame is composed of a connecting plate and a U-shaped frame, the connecting plate is fixedly installed at the lower end of the sliding table, the U-shaped frame is fixedly installed at the lower end of the connecting plate, and two square holes are formed in the front side wall body of the U-shaped frame.

[0009] Preferably, the square rod of the movable cleaning assembly is slidably installed in the square hole, the spring is located behind the front side wall body of the U-shaped frame, and the anti-falling plate is located in front of the front side wall body of the U-shaped frame.

[0010] Preferably, one end of the anti-static rubber scraper is provided with a T-shaped groove, the anti-static rubber scraper is installed on the T-shaped strip through the T-shaped groove, and the anti-static rubber scraper is coated with a Teflon coating.

[0011] Compared with the prior art, the projector lens automatic cleaning device has the following beneficial effects:

[0012] By setting the projector lens automatic cleaning device composed of a driving assembly, a connecting frame and a movable cleaning assembly, the sliding table is driven to move by the motor driving screw rod, so that the connecting frame and the movable cleaning assembly reciprocate along the front end surface of the projector main body, and the lens automatic cleaning function of the projector main body is realized; the anti-static rubber scraper in the movable cleaning assembly is always attached to the lens surface of the projector main body through the elastic pressure of the spring, dust can be effectively removed and the lens is prevented from being scratched, the Teflon coating can further reduce friction loss, the cooperation of the T-shaped strip and the T-shaped groove facilitates the disassembly and replacement of the anti-static rubber scraper, manual high-altitude operation is not needed for the overall device, the safety risk and cost of maintenance are reduced, and the cleaning efficiency and the service life of the lens of the projector main body are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a positional relationship structure diagram of the projector lens automatic cleaning device, the projector support and the projector main body.

[0014] Figure 2 It is a structure diagram of the driving assembly, the connecting frame and the movable cleaning assembly of the utility model.

[0015] Figure 3 It is a structure diagram of the driving assembly and the connecting frame of the utility model.

[0016] Figure 4 It is a structure diagram of the movable cleaning assembly of the utility model.

[0017] In the drawing: 1, driving assembly; 2, projector support; 3, projector main body; 4, connecting frame; 5, movable cleaning assembly; 6, base frame; 7, motor; 8, screw rod; 9, sliding table; 10, connecting plate; 11, U-shaped frame; 12, square hole; 13, square rod; 14, anti-falling plate; 15, spring; 16, base plate; 17, T-shaped strip; 18, anti-static rubber scraper; 19, T-shaped groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 A kind of projector lens automatic cleaning device, including drive assembly 1, drive assembly 1 is fixedly installed at the lower end of projector support 2, drive assembly 1 is fixedly installed with connecting frame 4, connecting frame 4 is movably installed with movable cleaning assembly 5, movable cleaning assembly 5 is composed of square bar 13, anti-drop plate 14, spring 15, base plate 16, T-shaped strip 17, anti-static rubber scraper 18, square bar 13 is two and symmetrically fixedly installed at the rear end of anti-drop plate 14, spring 15 is two and is respectively sleeved on two square bars 13, base plate 16 is fixedly installed at the rear end of two square bars 13, T-shaped strip 17 is fixedly installed at the rear end of base plate 16, anti-static rubber scraper 18 is sleeved on T-shaped strip 17, and anti-static rubber scraper 18 is in contact with the front end of projector main body 3 under the elastic force of spring 15, projector main body 3 is fixedly installed in projector support 2, and drive assembly 1 can be connected with control terminal by wireless control module, when the lens on projector main body 3 needs to be cleaned, drive assembly 1 is started by control terminal, to make connecting frame 4 and movable cleaning assembly 5 reciprocate along the front end surface of projector main body 3, at this time, anti-static rubber scraper 18 is attached to the lens surface under the pressure of spring 15 and is wiped.

[0020] Specifically, drive assembly 1 is composed of base frame 6, motor 7, lead screw 8 and sliding table 9, base frame 6 is fixedly installed at the lower end of projector support 2, motor 7 is fixedly installed on base frame 6, lead screw 8 is rotatably installed on base frame 6, and lead screw 8 is fixedly connected with the output shaft of motor 7, sliding table 9 is slidably installed on base frame 6, and sliding table 9 is installed on lead screw 8 at the same time, when the motor 7 of drive assembly 1 is started by control terminal, the motor 7 will drive the lead screw 8 to rotate, and the sliding table 9 will move along the base frame 6, by controlling the forward and reverse rotation of motor 7, the lead screw 8 drives the sliding table 9 to realize reciprocating motion, and the motion range covers the lens area of the front end of projector main body 3.

[0021] Specifically, connecting frame 4 is composed of connecting plate 10 and U-shaped frame 11, connecting plate 10 is fixedly installed at the lower end of sliding table 9, U-shaped frame 11 is fixedly installed at the lower end of connecting plate 10, two square holes 12 are formed in the front side wall of U-shaped frame 11, U-shaped frame 11 guides square bar 13 of movable cleaning assembly 5 to slide through square hole 12, to ensure that movable cleaning assembly 5 moves along a straight line, and to avoid deviation.

[0022] Specifically, the square rod 13 on the movable cleaning assembly 5 is slidingly installed in the square hole 12, the spring 15 is located behind the front side wall of the U-shaped frame 11, the anti-dropping plate 14 is located in front of the front side wall of the U-shaped frame 11, one end of the anti-static rubber scraper 18 is provided with a T-shaped slot 19, the anti-static rubber scraper 18 is installed on the T-shaped strip 17 through the T-shaped slot 19, the anti-static rubber scraper 18 is coated with a Teflon coating, the spring 15 provides a pre-tightening force to make the anti-static rubber scraper 18 always adhere to the lens, the anti-dropping plate 14 prevents the square rod 13 from falling out, and the cleaning process is stable, when the anti-static rubber scraper 18 is worn, the anti-static rubber scraper 18 can be slidingly disassembled along the T-shaped strip 17, and after replacing a new anti-static rubber scraper 18, the anti-static rubber scraper 18 is reinstalled through the T-shaped slot 19; the shape of the anti-static rubber scraper 18 can be replaced according to different models of the projector main body 3, so that the anti-static rubber scraper 18 can fully contact the lens of the projector main body 3; the anti-static rubber scraper 18 is made of anti-static rubber material, and is coated with a Teflon coating, so that the probability of dust adhesion can be effectively reduced.

[0023] In use, the user can set a cleaning period (such as automatic cleaning once a week) through the control terminal, and finally set the projector lens automatic cleaning device composed of the driving assembly 1, the connecting frame 4 and the movable cleaning assembly 5, drive the lead screw 8 to drive the sliding table 9 to move through the motor 7, so that the connecting frame 4 and the movable cleaning assembly 5 reciprocate along the front end surface of the projector main body 3, and the lens automatic cleaning function of the projector main body 3 is realized; the anti-static rubber scraper 18 in the movable cleaning assembly 5 always adheres to the lens surface of the projector main body 3 through the elastic pressure of the spring 15, which can effectively remove dust and avoid scratching the lens of the projector main body 3, and the Teflon coating can further reduce friction loss; the cooperation design of the T-shaped strip 17 and the T-shaped slot 19 facilitates the disassembly and replacement of the anti-static rubber scraper 18, the overall device does not need manual high-altitude operation, reduces the safety risk and cost of maintenance, and improves the cleaning efficiency and the service life of the lens of the projector main body 3.

[0024] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments cannot be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An automatic cleaning device for projector lenses, characterized in that: The device includes a drive assembly (1), which is fixedly installed at the lower end of the projector bracket (2). A connecting frame (4) is fixedly installed on the drive assembly (1), and a movable cleaning assembly (5) is movably installed on the connecting frame (4). The movable cleaning assembly (5) consists of a square rod (13), an anti-detachment plate (14), a spring (15), a base plate (16), a T-shaped strip (17), and an antistatic rubber scraper (18). There are two square rods (13) that are symmetrically fixedly installed at the rear end of the anti-detachment plate (14). There are two springs (15) that are respectively sleeved on the two square rods (13). The base plate (16) is fixedly installed at the rear end of the two square rods (13). The T-shaped strip (17) is fixedly installed at the rear end of the base plate (16). The antistatic rubber scraper (18) is sleeved on the T-shaped strip (17), and the antistatic rubber scraper (18) contacts the front end of the projector body (3) under the elastic force of the spring (15).

2. The automatic cleaning device for a projector lens according to claim 1, characterized in that: The projector body (3) is fixedly installed inside the projector bracket (2).

3. The automatic cleaning device for a projector lens according to claim 2, characterized in that: The drive assembly (1) consists of a base frame (6), a motor (7), a lead screw (8), and a slide (9). The base frame (6) is fixedly installed at the lower end of the projector bracket (2). The motor (7) is fixedly installed on the base frame (6). The lead screw (8) is rotatably installed on the base frame (6) and is fixedly connected to the output shaft of the motor (7). The slide (9) is slidably installed on the base frame (6) and is also installed on the lead screw (8).

4. The automatic cleaning device for a projector lens according to claim 3, characterized in that: The connecting frame (4) consists of a connecting plate (10) and a U-shaped frame (11). The connecting plate (10) is fixedly installed at the lower end of the slide (9), and the U-shaped frame (11) is fixedly installed at the lower end of the connecting plate (10). Two square holes (12) are opened on the front side wall of the U-shaped frame (11).

5. The automatic cleaning device for a projector lens according to claim 4, characterized in that: The square rod (13) on the active cleaning component (5) is slidably installed in the square hole (12), the spring (15) is located behind the front wall of the U-shaped frame (11), and the anti-detachment plate (14) is located in front of the front wall of the U-shaped frame (11).

6. The automatic cleaning device for a projector lens according to claim 5, characterized in that: The antistatic rubber scraper (18) has a T-shaped groove (19) at one end. The antistatic rubber scraper (18) is installed on the T-shaped strip (17) through the T-shaped groove (19). The antistatic rubber scraper (18) is coated with a Teflon coating.

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