Lens cleaning device

Abstract

The utility model relates to the technical field of vehicles, in particular to a lens cleaning device. Comprising a lens and a shell for installing the lens, a first lead screw and a second lead screw are vertically arranged on the two sides of the lens and located in the shell, a driving assembly is arranged in the shell, a windscreen wiper transverse strip is arranged on the outer side of the lens, a first nut and a second nut are arranged at the two ends of the windscreen wiper transverse strip, and the first nut is connected to the first lead screw in a sleeving mode; the second nut is connected to the second lead screw in a sleeving mode, and a cleaning rubber strip is arranged on the side wall, close to the lens, of the windscreen wiper transverse strip and abuts against the lens. According to the utility model, the first screw rod and the second screw rod are arranged on the two sides of the lens, the windscreen wiper cross bar is respectively connected with the first screw rod and the second screw rod through the first nut and the second nut, and the driving assembly drives the first screw rod and the second screw rod to rotate, so that the windscreen wiper cross bar can be driven to move up and down on the surface of the lens; and under the action of the cleaning adhesive tape, attachments on the surface of the lens can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a lens cleaning device. Background Art

[0002] With the rapid development of society and technology, more and more people are starting to own their own cars. With the increase in demand for cars, people are also demanding higher and higher requirements for the stability, safety and comfort of cars. During driving, rearview mirrors play an important role in safety, but for traditional cars, their rearview mirrors are not effectively cleaned and protected. In some environments, if the rearview mirrors are contaminated during driving and the driver is unable to clean the contaminants in time, it will seriously affect the driver's field of vision and driving judgment ability, which will pose a great safety hazard.

[0003] Chinese utility model patent CN217477256U discloses a rearview mirror cleaning system and a vehicle having the same. The rearview mirror cleaning system includes a rearview mirror, an air blowing device, a water spraying device and a control device. The rearview mirror is provided with an air outlet and a liquid spraying port, and the air outlet and the liquid spraying port are both arranged toward the front of the lens of the rearview mirror; the air blowing device is connected to the air outlet; the water spraying device is connected to the liquid spraying port; the control device is electrically connected to the air blowing device and the water spraying device, and the control device controls the air blowing device to blow air toward the lens, and the control device controls the water spraying device to spray water toward the lens.

[0004] During the use of the above patent, if there are high-viscosity attachments on the lens, such as clay or bird droppings, it is difficult to remove these attachments using a water spray device, and after spraying water on the lens and then using a blower to dry it, watermarks are easily left on the lens. These watermarks can easily block the driver's line of sight, thereby posing a safety hazard. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a lens cleaning device, which is used for cleaning the attached objects on the lens, ensuring the cleanliness of the lens and reducing the potential safety hazards.

[0006] The technical solution adopted by the utility model to solve its technical problems is a lens cleaning device, comprising a lens and a shell for mounting the lens, a first screw rod and a second screw rod are vertically arranged on both sides of the lens located inside the shell, a driving assembly for driving the first screw rod and the second screw rod to rotate is arranged inside the shell, a wiper bar is arranged on the outer side of the lens, a first nut and a second nut are arranged at both ends of the wiper bar, the first nut is sleeved on the first screw rod and threadedly connected to the first screw rod, the second nut is sleeved on the second screw rod and threadedly connected to the second screw rod, a cleaning rubber strip is arranged on the side wall of the wiper bar close to the lens, and the cleaning rubber strip abuts against the lens.

[0007] Furthermore, the rotation directions of the first screw rod and the second screw rod are opposite, and the drive assembly includes a first drive motor and a second drive motor. The output end of the first drive motor is provided with a first gear, and the first screw rod is provided with a second gear meshing with the first gear; the output end of the second drive motor is provided with a third gear, and the second screw rod is provided with a fourth gear meshing with the third gear.

[0008] Furthermore, the first screw rod and the second screw rod have the same rotation direction, the drive assembly includes a third drive motor, the output end of the third drive motor is provided with a fifth gear, the first screw rod is provided with a sixth gear meshing with the fifth gear, and the second screw rod is provided with a seventh gear meshing with the fifth gear.

[0009] Furthermore, the first screw and the second screw have the same rotation direction, the drive assembly includes a fourth drive motor, the output end of the fourth drive motor is provided with a worm, the worm is horizontally arranged, the first screw is provided with a first worm wheel used in conjunction with the worm, and the second screw is provided with a second worm wheel used in conjunction with the worm.

[0010] Furthermore, force-sensitive sensors are provided on the top and bottom of the lens, and the force-sensitive sensors are communicatively connected with the driving assembly.

[0011] Furthermore, a spray device is arranged on the top of the lens and is opposite to the lens surface. A glass water storage tank is arranged in the shell. The spray device is connected to the glass water storage tank through a connecting pipe.

[0012] The beneficial effect of the utility model is as follows: by arranging the first screw rod and the second screw rod on both sides of the lens, the wiper bar is connected to the first screw rod and the second screw rod respectively through the first nut and the second nut, and the driving component drives the first screw rod and the second screw rod to rotate, so that the wiper bar can be driven to move up and down on the lens surface, and under the action of the cleaning rubber strip, the attachments on the lens surface can be cleaned, thereby ensuring the cleanliness of the lens and reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 yes Figure 1 A partial view of

[0015] Figure 3 yes Figure 2 Rear view of

[0016] Figure 4 is a first embodiment of the drive assembly;

[0017] Figure 5 is a second embodiment of the drive assembly;

[0018] Figure 6 is a third embodiment of the drive assembly;

[0019] Figure markings: 1-lens; 2-housing; 3-first screw; 301-second gear; 302-sixth gear; 303-first worm gear; 4-second screw; 401-fourth gear; 402-seventh gear; 403-second worm; 5-driving assembly; 501-first driving motor; 502-second driving motor; 503-first gear; 504-third gear; 505-third driving motor; 506-fifth gear; 507-fourth driving motor; 508-worm; 6-wiper bar; 7-first nut; 8-second nut; 9-cleaning rubber strip; 10-force sensitive sensor; 11-spraying device; 12-windshield washer fluid storage tank; 13-connecting pipe. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] like Figure 1-Figure 6 As shown, the utility model is a lens cleaning device, comprising a lens 1 and a shell 2 for mounting the lens 1, a first screw rod 3 and a second screw rod 4 are vertically arranged on both sides of the lens 1 inside the shell 2, a driving assembly 5 for driving the first screw rod 3 and the second screw rod 4 to rotate is arranged inside the shell 2, a wiper bar 6 is arranged on the outer side of the lens 1, a first nut 7 and a second nut 8 are arranged at both ends of the wiper bar 6, the first nut 7 is sleeved on the first screw rod 3 and threadedly connected to the first screw rod 3, the second nut 8 is sleeved on the second screw rod 4 and threadedly connected to the second screw rod 4, a cleaning rubber strip 9 is arranged on the side wall of the wiper bar 6 close to the lens 1, and the cleaning rubber strip 9 abuts against the lens 1.

[0022] Among them, the lens 1 can be a single-sided mirror or a double-sided mirror. After the lens 1 is installed on the shell 2, the driver can see the rear information of the vehicle through the lens 1. The shell 2 is made of plastic; the first screw rod 3 and the second screw rod 4 are respectively rotatably connected to the shell 2, and the first screw rod 3 and the shell 2 and the second screw rod 4 and the shell 2 can be connected by bearings. In this way, the first screw rod 3 and the second screw rod 4 can rotate relative to the shell 2, and the driving assembly 5 is used to drive the first screw rod 3 and the second screw rod 4 to rotate; the driving assembly 5 can adopt two servo motors, and the output ends of the two servo motors are respectively connected to the first screw rod 3 and the second screw rod 4; the wiper bar 6 is arranged on the front side of the lens 1, and the first nut 7 and the second nut 8 are respectively arranged at both ends of the wiper bar 6. The first nut 7 is sleeved on the first screw rod 3 and is threadedly connected to the first screw rod 3. The second nut 8 is sleeved on the second screw rod 4 and is threadedly connected to the second screw rod 4. In this way, during the rotation of the first screw rod 3 and the second screw rod 4, the wiper bar 6 can move up and down; the cleaning strip 9 can be bolted to the wiper bar 6 or bonded with AB glue. The cleaning strip 9 abuts against the lens 1, so that the cleaning strip 9 can realize the cleaning of the lens 1 during the up and down movement of the wiper bar 6.

[0023] A first embodiment of the drive assembly 5 is shown in FIG. Figure 4 , the first screw rod 3 and the second screw rod 4 have opposite rotation directions, the driving assembly 5 includes a first driving motor 501 and a second driving motor 502, the output end of the first driving motor 501 is provided with a first gear 503, the first screw rod 3 is provided with a second gear 301 meshing with the first gear 503; the output end of the second driving motor 502 is provided with a third gear 504, and the second screw rod 4 is provided with a fourth gear 401 meshing with the third gear 504. The first driving motor 501 and the second driving motor 502 are both forward and reverse motors. When in use, the first driving motor 501 rotates forward, and drives the first screw rod 3 to rotate forward under the action of the first gear 503 and the second gear 301; the second driving motor 502 reverses, and drives the second screw rod 4 to reverse under the action of the third gear 504 and the fourth gear 401; the first nut 7 is moved upward or downward, and the second nut 8 is synchronized with the first nut 7, thereby driving the wiper bar 6 to move upward or downward, and finally realizing the cleaning of the lens 1 by the cleaning strip 9.

[0024] The above embodiment uses two motors to drive the first screw rod 3 and the second screw rod 4 to rotate respectively, which may cause asynchronism; therefore, the second embodiment of the driving component 5, see Figure 5, the first screw rod 3 and the second screw rod 4 have the same rotation direction, the driving assembly 5 includes a third driving motor 505, the output end of the third driving motor 505 is provided with a fifth gear 506, the first screw rod 3 is provided with a sixth gear 302 meshing with the fifth gear 506, and the second screw rod 4 is provided with a seventh gear 402 meshing with the fifth gear 506. The third driving motor 505 is also a forward and reverse motor. When in use, the third driving motor 505 rotates, and the fifth gear 506 drives the sixth gear 302 and the seventh gear 402 to rotate synchronously, thereby realizing the synchronous rotation of the first screw rod 3 and the second screw rod 4, realizing the upward or downward movement of the first nut 7, and the second nut 8 moves synchronously with the first nut 7, thereby driving the wiper bar 6 to move upward or downward, and finally realizing the cleaning of the lens 1 by the cleaning strip 9.

[0025] A third embodiment of the drive assembly 5 is shown in FIG. Figure 6 , the first screw 3 and the second screw 4 have the same rotation direction, the driving assembly 5 includes a fourth driving motor 507, the output end of the fourth driving motor 507 is provided with a worm 508, the worm 508 is arranged horizontally, the first screw 3 is provided with a first worm wheel 303 used in conjunction with the worm 508, and the second screw 4 is provided with a second worm wheel 403 used in conjunction with the worm 508. The fourth driving motor 507 is also a forward and reverse motor. When in use, the fourth driving motor 507 drives the worm 508 to rotate, thereby causing the first worm wheel 303 and the second worm wheel 403 to rotate synchronously, thereby realizing the synchronous rotation of the first screw 3 and the second screw 4, realizing the upward or downward movement of the first nut 7, and the second nut 8 moves synchronously with the first nut 7, thereby driving the wiper bar 6 to move upward or downward, and finally realizing the cleaning of the lens 1 by the cleaning strip 9.

[0026] In order to limit the moving distance of the wiper bar 6 during the up and down movement, further, see Figure 2 The top and bottom of the lens 1 are provided with force-sensitive sensors 10, which are in communication connection with the driving assembly 5. When the wiper bar 6 contacts the force-sensitive sensor 10, the force-sensitive sensor 10 sends a signal, and the driving assembly 5 changes the rotation direction of the first screw rod 3 and the second screw rod 4, so that the wiper bar 6 changes the movement direction.

[0027] In order to clean the lens 1 more cleanly, further see Figure 3The top of the lens 1 is provided with a spray device 11 opposite to the surface of the lens 1, and a glass water storage tank 12 is provided in the housing 2. The spray device 11 is connected to the glass water storage tank 12 through a connecting pipe 13. The glass water storage tank 12 is used to store glass water, and the connecting pipe 13 is used to guide the glass water in the glass water storage tank 12 to the spray device 11. The spray device 11 sprays the glass water onto the surface of the lens 1. When the wiper bar 6 moves upward or downward, the cleaning strip 9 can clean the lens 1.

[0028] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lens cleaning device, comprising a lens (1) and a housing (2) for mounting the lens (1), characterized in that: A first screw rod (3) and a second screw rod (4) are vertically arranged on both sides of the lens (1) inside the shell (2); a driving assembly (5) for driving the first screw rod (3) and the second screw rod (4) to rotate is arranged inside the shell (2); a wiper bar (6) is arranged on the outer side of the lens (1); a first nut (7) and a second nut (8) are arranged at both ends of the wiper bar (6); the first nut (7) is sleeved on the first screw rod (3) and is threadedly connected to the first screw rod (3); the second nut (8) is sleeved on the second screw rod (4) and is threadedly connected to the second screw rod (4); a cleaning rubber strip (9) is arranged on the side wall of the wiper bar (6) close to the lens (1); the cleaning rubber strip (9) is in contact with the lens (1).

2. A lens cleaning device as claimed in claim 1, characterized in that: The first screw rod (3) and the second screw rod (4) have opposite rotation directions. The driving assembly (5) comprises a first driving motor (501) and a second driving motor (502). A first gear (503) is arranged at the output end of the first driving motor (501), and a second gear (301) meshing with the first gear (503) is arranged on the first screw rod (3); a third gear (504) is arranged at the output end of the second driving motor (502), and a fourth gear (401) meshing with the third gear (504) is arranged on the second screw rod (4).

3. A lens cleaning device as claimed in claim 1, characterized in that: The first screw rod (3) and the second screw rod (4) have the same rotation direction, the driving assembly (5) comprises a third driving motor (505), the output end of the third driving motor (505) is provided with a fifth gear (506), the first screw rod (3) is provided with a sixth gear (302) meshing with the fifth gear (506), and the second screw rod (4) is provided with a seventh gear (402) meshing with the fifth gear (506).

4. A lens cleaning device as claimed in claim 1, characterized in that: The first screw (3) and the second screw (4) have the same rotation direction, the drive assembly (5) comprises a fourth drive motor (507), the output end of the fourth drive motor (507) is provided with a worm (508), the worm (508) is arranged horizontally, the first screw (3) is provided with a first worm wheel (303) used in conjunction with the worm (508), and the second screw (4) is provided with a second worm wheel (403) used in conjunction with the worm (508).

5. A lens cleaning device according to any one of claims 1 to 4, characterized in that: Force-sensitive sensors (10) are arranged on the top and bottom of the lens (1), and the force-sensitive sensors (10) are communicatively connected with the driving assembly (5).

6. A lens cleaning device as claimed in claim 5, characterized in that: The top of the lens (1) is provided with a spray device (11) opposite to the surface of the lens (1), a glass water storage tank (12) is provided in the housing (2), and the spray device (11) is connected to the glass water storage tank (12) via a connecting pipe (13).

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