Optical lens structure and camera thereof
Through the design of magnetic resistance components and buffer systems, combined with the automatic replacement and cleaning of arc guide rails and cleaning brushes, the vibration reduction and cleaning problems of industrial camera lenses in complex environments are solved, ensuring imaging quality and work continuity.
Patent Information
- Application Number
- CN202511171771.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2025-09-16
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Industrial camera lenses require frequent cleaning and maintenance in complex environments, and mechanical vibrations affect imaging effects. Existing technologies make it difficult to achieve automated vibration reduction and cleaning processes.
It uses magnetic resistance components and a buffer system for non-contact buffering and shock absorption, uses curved guide rails to achieve automatic lens replacement and adaptive cleaning with a cleaning brush, and combines hydraulic push rods and electronically controlled push rods to achieve automatic cleaning of the lens.
It achieves continuous cleanliness and stable imaging of the lens in complex environments, improves the work efficiency of visual inspection and the shock absorption effect of the equipment.
Smart Images
Figure CN120658936A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of optical elements, and in particular to an optical lens structure and a camera thereof. Background Art
[0002] Camera optical lenses are a vital component of cameras. Their main function is to focus light and form a clear image. Optical lenses are usually made of glass or resin. Industrial camera lenses are crucial components in industrial automation, machine vision, and intelligent manufacturing.
[0003] During daily use, industrial camera lenses need to be cleaned and maintained frequently due to the complex industrial use environment to ensure the stability and reliability of the visual system during the entire automation process. However, long-term cleaning and maintenance are relatively complicated. At the same time, industrial camera lenses will perform fast and accurate shooting during operation. If the lens becomes dirty during operation, the staff will not be able to discover and clean it in time, which will affect the subsequent imaging effect and reduce the efficiency of processes such as visual inspection. In addition, industrial camera lenses are generally fixed in a specific position. If they encounter continuous mechanical vibration during use, it will affect the imaging effect of the industrial camera lens. Therefore, an optical lens structure and its camera are proposed. Summary of the Invention
[0004] The purpose of the present invention is to solve the problem in the prior art that the industrial use environment is complex and the industrial camera lens needs to be cleaned and maintained frequently to ensure the stability and reliability of the visual system during the entire automation process. However, long-term cleaning and maintenance are relatively complicated. At the same time, the industrial camera lens will perform fast and accurate shooting during operation. If the lens becomes dirty during operation, the staff will not be able to clean it in time, which will affect the subsequent imaging effect and reduce the efficiency of processes such as visual inspection. An optical lens structure and its camera are proposed.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: An optical lens structure and its camera, comprising an assembly housing and a sealing base, wherein the top of the sealing base is connected to a seating base via multiple buffer plungers, multiple magnetic resistance components for reducing vibration are disposed below the seating base, and a transverse buffer box is fixedly connected to each of the four side walls of the sealing base, wherein the transverse buffer box is filled with fine sand and is provided with a cross partition; Multiple groups of optical lenses are installed in the assembly shell, and the bottom end of the assembly shell is fixedly connected to an adjustment seat, and the left and right sides of the top of the adjustment seat are fixedly connected to two opposite storage rings through two fixing plates respectively, and the front and rear sides of the top of the adjustment seat are fixedly connected to two opposite arc guide rails, and a sliding seat is provided on the arc guide rail, and the sliding seat is connected to a hydraulic push rod through an adjustment component, and the output end of the hydraulic push rod is fixedly connected to an outer convex mirror through a convex mirror limit plate, and two opposite electric push rods are provided on one side of the arc guide rail, and the electric push rods are connected to two cleaning brushes through a wheel spoke assembly.
[0006] Preferably, the bottom end of the sealing seat is fixedly connected to the top end of the assembly shell, and the sealing seat is fixedly connected to the placement seat through a buffer plunger, and a plurality of mounting holes are provided on the placement seat.
[0007] Preferably, the magnetic resistance component consists of a damping disk and a buffer copper tube, the bottom end of the placement seat is fixedly connected to the damping disk through a fixing rod, the damping disk and the buffer copper tube are located on the same vertical axis, and the bottom end of the buffer copper tube is fixedly connected to the top end of the sealing seat.
[0008] Preferably, a cross groove is provided on the top of the transverse buffer box, the inner side wall of the cross groove is slidingly connected to the side wall of the cross partition, the side wall of the transverse buffer box is fixedly connected to an electric push rod through an inverted U plate, and the output end of the electric push rod is fixedly connected to the top of the cross partition.
[0009] Preferably, the adjustment assembly consists of a ball shoe and an electrically controlled rotating ball, the arc guide rail is slidingly connected to the sliding seat, the sliding seat is fixedly connected to the outer wall of the ball shoe, and the inner wall of the ball shoe is rotatably connected to the electrically controlled rotating ball.
[0010] Preferably, the electrically controlled rotating ball is fixedly connected to the side wall of the hydraulic push rod via a right-angle rod, and two sliding seats are provided on the arc-shaped guide rail and are arranged at right angles to each other.
[0011] Preferably, the wheel assembly consists of a cleaning rack and two cleaning gears, the top of the adjustment seat is fixedly connected to the electric control push rod through a vertical plate, the output end of the electric control push rod is fixedly connected to the end of the cleaning rack, and the side wall of the cleaning rack is slidably connected to the top of the adjustment seat through a limiting slide groove.
[0012] Preferably, a transfer gear is provided between the two cleaning gears, and the transfer gear is respectively engaged with the cleaning gears on both sides, the cleaning rack is engaged with the outermost cleaning gear, the cleaning gear and the transfer gear are fixedly connected to the top of the adjustment seat through a rotating shaft, and the top of the cleaning gear is connected to the bottom end of the cleaning brush through an oblique shaft structure.
[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the setting of magnetic resistance components, this solution can use the electromagnetic induction damping of the damping disk and buffer copper tube to generate a reverse magnetic field in real time, realize non-contact buffering, and respond faster to the severe vibration during the start-up and shutdown stages of the equipment. At the same time, the fine sand in the horizontal buffer box is partitioned and managed through cross partitions to ensure the fluidity of the sand and maintain a continuous shock absorption effect.
[0014] 2. This solution uses an arc-shaped guide rail and two outer convex mirrors to automatically trigger the replacement mechanism using imaging sensing signals. The arc-shaped guide rail enables the position of the double convex mirrors to be interchanged, ensuring that the lens remains clean and maintaining imaging quality and work continuity in complex environments.
[0015] 3. Through the setting of the wheel assembly and the cleaning brush, this solution can use the cleaning rack to drive the cleaning gear to drive the oblique cleaning brush to rotate during the replacement process, adaptively clean the dirty convex surface of the convex mirror, prepare for the next use, and realize automatic cleaning during the lens replacement process. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an optical lens structure and its camera proposed by the present invention; Figure 2 An assembly diagram of an optical lens structure and a camera thereof proposed by the present invention; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the structure of an optical lens structure and the top of the sealing seat in its camera proposed by the present invention; Figure 5 This is a schematic diagram of the structure of an optical lens structure and the connection between the cross partition and the transverse buffer box in its camera proposed by the present invention; Figure 6 This is a schematic structural diagram of an optical lens structure and the top of an adjustment seat in a camera thereof proposed by the present invention; Figure 7 for Figure 6 Enlarged view of point B in the middle; Figure 8 This is a schematic diagram of the structure of an optical lens structure and the positions of two arc-shaped guide rails in its camera proposed by the present invention; Figure 9 This is a schematic structural diagram of an optical lens structure and a spoke assembly in a camera thereof proposed by the present invention; Figure 10 This is a flow chart of an optical lens structure and its camera proposed by the present invention.
[0017] In the figure: 1. Assemble the shell; 2. Sealing seat; 3. Placement seat; 4. Buffer plunger; 5. Damping disk; 6. Buffer copper tube; 7. Horizontal buffer box; 8. Electric push rod; 9. Cross partition; 10. Adjustment seat; 11. Outer convex mirror; 12. Storage ring; 13. Arc guide rail; 14. Sliding seat; 15. Ball tile; 16. Electric control ball; 17. Hydraulic push rod; 18. Convex mirror limit plate; 19. Electric control push rod; 20. Limit slide; 21. Cleaning rack; 22. Cleaning gear; 23. Transfer gear; 24. Oblique axis structure; 25. Cleaning brush. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0020] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention in specific circumstances.
[0021] Example, see Figures 1 to 10 An optical lens structure and its camera include an assembly shell 1 and a sealing base 2. The top of the sealing base 2 is connected to a placement base 3 through multiple buffer plungers 4. Multiple magnetic resistance components for reducing vibration are arranged below the placement base 3. The four side walls of the sealing base 2 are fixedly connected to a transverse buffer box 7. The transverse buffer box 7 is filled with fine sand and is provided with a cross partition 9. Furthermore, the bottom end of the sealing seat 2 is fixedly connected to the top of the assembly shell 1, and the sealing seat 2 is fixedly connected to the placement seat 3 through a buffer plunger 4. A plurality of mounting holes are provided on the placement seat 3. The magnetic resistance assembly consists of a damping disk 5 and a buffer copper tube 6. The bottom end of the placement seat 3 is fixedly connected to the damping disk 5 through a fixing rod. The damping disk 5 and the buffer copper tube 6 are located on the same vertical axis. The bottom end of the buffer copper tube 6 is fixedly connected to the top of the sealing seat 2. A cross groove is provided on the top of the transverse buffer box 7. The inner side wall of the cross groove is slidably connected to the side wall of the cross partition 9. The side wall of the transverse buffer box 7 is fixedly connected to an electric push rod 8 through an inverted U plate. The output end of the electric push rod 8 is fixedly connected to the top of the cross partition 9. It should be noted that: when the industrial camera lens is installed in a designated position through the mounting seat 3, during use, if vertical polarization is encountered, the buffer plunger 4 will directly buffer and reduce shock. At the same time, the damping disk 5 will also move in the buffer copper tube 6. The electrons in the buffer copper tube 6 will generate induced currents due to the changes in the magnetic field of the damping disk 5. These induced currents will form a magnetic field in the opposite direction to the original magnetic field, thereby hindering the movement of the damping disk 5, which is convenient for improving the shock absorption effect of the industrial camera lens. In addition, the movement of the damping disk 5 in the buffer copper tube 6 is immediately hindered by the magnetic field in the opposite direction, which is convenient for large polarization buffering when the equipment is initially started or shut down. When encountering horizontal polarization, the fine sand in the transverse buffer box 7 will hinder the polarization direction. After use, the electric push rod 8 is used to push down the cross partition 9 so that the fine sand in the transverse buffer box 7 is separated by the cross partition 9. When used next time, the fine sand in the transverse buffer box 7 can be moved from each area to ensure a better shock absorption effect. The above advantages are as follows: the movement of the damping disk 5 in the buffer copper tube 6 is hindered, and non-contact buffering and shock absorption are directly added to the placement seat 3 and the sealing seat 2. The instantaneous magnetic force of the damping disk 5 during its movement is hindered, so that the shock absorption effect of the equipment during the initial startup and shutdown stages is better; Multiple groups of optical lenses are installed in the assembly housing 1. The bottom end of the assembly housing 1 is fixedly connected to an adjustment seat 10. Two opposite receiving rings 12 are fixedly connected to the left and right sides of the top of the adjustment seat 10 through two fixing plates. Two opposite arc guide rails 13 are fixedly connected to the front and back sides of the top of the adjustment seat 10. A sliding seat 14 is provided on the arc guide rail 13. The sliding seat 14 is connected to a hydraulic push rod 17 through an adjustment assembly. The output end of the hydraulic push rod 17 is fixedly connected to the outer convex mirror 11 through a convex mirror limit plate 18. Furthermore, the adjustment assembly consists of a ball shoe 15 and an electrically controlled rotating ball 16. The arc guide rail 13 is slidably connected to the sliding seat 14. The sliding seat 14 is fixedly connected to the outer wall of the ball shoe 15. The inner wall of the ball shoe 15 is rotatably connected to the electrically controlled rotating ball 16. The electrically controlled rotating ball 16 is fixedly connected to the side wall of the hydraulic push rod 17 through a right-angle rod. Two sliding seats 14 are provided on the arc guide rail 13 and are arranged at right angles to each other. It should be noted that when the outer convex mirror 11 is contaminated with dust or dirt during use, the imaging sensor element receives a signal and controls the activation of the hydraulic push rod 17 to pull the two outer convex mirrors 11 out of the storage ring 12 and the adjustment seat 10 respectively. Subsequently, the two sliding seats 14 on the arc-shaped guide rail 13 are synchronously activated to move the outer convex mirror 11 in the storage ring 12 toward the adjustment seat 10, and the outer convex mirror 11 on the adjustment seat 10 toward the empty storage ring 12. This allows the replacement clean outer convex mirror 11 to be quickly transferred to the lens of the industrial camera. The above advantages are as follows: the curved guide rail 13 can be used to control the movement of the two outer convex mirrors 11. When one outer convex mirror 11 is contaminated, the other outer convex mirror 11 can be quickly controlled to be replaced. This facilitates continuous lens cleanliness in the complex use environment of industrial cameras, making the overall work efficiency of the process extremely high. Two opposing electrically controlled push rods 19 are provided on one side of the arc-shaped guide rail 13. The electrically controlled push rods 19 are connected to two cleaning brushes 25 via a spoke assembly. Furthermore, the wheel assembly consists of a cleaning rack 21 and two cleaning gears 22. The top of the adjusting seat 10 is fixedly connected to the electric control push rod 19 through a vertical plate. The output end of the electric control push rod 19 is fixedly connected to the end of the cleaning rack 21. The side wall of the cleaning rack 21 is slidably connected to the top of the adjusting seat 10 through a limiting slide groove 20. A transfer gear 23 is provided between the two cleaning gears 22, and the transfer gear 23 is respectively engaged with the cleaning gears 22 on both sides. The cleaning rack 21 is engaged with the outermost cleaning gear 22. The cleaning gear 22 and the transfer gear 23 are both fixedly connected to the top of the adjusting seat 10 through a rotating shaft. The top of the cleaning gear 22 is connected to the bottom end of the cleaning brush 25 through an oblique shaft structure 24. It should be noted that when the outer convex mirror 11 on the adjustment seat 10 moves toward the storage ring 12, the electronically controlled push rod 19 is synchronously started to push the cleaning rack 21 to slide in the limiting slide groove 20. The movement of the cleaning rack 21 will drive the outermost meshing cleaning gear 22 to rotate together. The rotation of the cleaning gear 22 will drive another cleaning gear 22 to rotate through the meshing transfer gear 23, and then drive the cleaning brush 25 to rotate through the oblique shaft structure 24 (the oblique shaft structure 24 is an existing structure, such as an oblique shaft plunger pump structure and a universal joint rotation structure, which will not be described in detail here). In the process of the movement of the outer convex mirror 11, the electronically controlled rotating ball 16 will deflect at a small angle in the ball tile 15, so that when the outer convex mirror 11 moves to the cleaning brush 25, each convex surface part is fully in contact with the cleaning brush 25, so that the rotating cleaning brush 25 can better clean the dirty outer convex mirror 11; The above advantages are as follows: the movement of the cleaning rack 21 can be used to drive the multiple cleaning brushes 25 to rotate, so that the oblique cleaning brushes 25 can brush and clean the convex surface of the outer convex mirror 11 during the movement, which is convenient for cleaning during the replacement of the dirty outer convex mirror 11, so that the outer convex mirror 11 to be replaced next time can be kept clean again; When the present invention is in use, the industrial camera lens is installed in a designated position through the mounting seat 3. During use, if vertical polarization is encountered, the buffer plunger 4 will directly perform buffering and shock absorption. At the same time, the damping disk 5 will also move in the buffer copper tube 6. The electrons in the buffer copper tube 6 will generate induced currents due to the changes in the magnetic field of the damping disk 5. These induced currents will form a magnetic field in the opposite direction to the original magnetic field, thereby hindering the movement of the damping disk 5, which is convenient for improving the shock absorption effect of the industrial camera lens. In addition, the movement of the damping disk 5 in the buffer copper tube 6 is immediately hindered by the magnetic field in the opposite direction, which is convenient for large polarization buffering when the device is initially started or shut down. When encountering polarization in the horizontal direction, the fine sand in the transverse buffer box 7 will hinder the polarization direction. After use, the electric push rod 8 is used to push down the cross partition 9, so that the fine sand in the transverse buffer box 7 is separated by the cross partition 9, so that the fine sand in the transverse buffer box 7 can be moved from each area when used next time, ensuring a better shock absorption effect. In this way, the movement of the damping disk 5 in the buffer copper tube 6 can be blocked, and non-contact buffering and shock absorption can be directly added to the placement seat 3 and the sealing seat 2. The instantaneous magnetic force of the damping disk 5 is blocked during the movement, so that the shock absorption effect of the equipment during the initial startup and stop stages is better; When the outer convex mirror 11 is contaminated with dust or dirt during use, the imaging sensing element receives the signal and controls the hydraulic push rod 17 to pull the two outer convex mirrors 11 out of the storage ring 12 and the adjustment seat 10 respectively, and then the two sliding seats 14 on the arc guide rail 13 are synchronously started to move the outer convex mirror 11 in the storage ring 12 toward the adjustment seat 10, and the outer convex mirror 11 on the adjustment seat 10 toward the empty storage ring 12, so that the replacement clean outer convex mirror 11 can be quickly transferred to the lens of the industrial camera. In this way, the arc guide rail 13 can be used to control the movement of the two outer convex mirrors 11. When one outer convex mirror 11 is contaminated, the other outer convex mirror 11 can be quickly controlled to replace it, which is convenient for ensuring the continuous cleanliness of the lens in the complex use environment of the industrial camera, making the overall work efficiency of the process extremely high; When the outer convex mirror 11 on the adjustment seat 10 moves toward the storage ring 12, the electric control push rod 19 is synchronously started to push the cleaning rack 21 to slide in the limiting slide groove 20. The movement of the cleaning rack 21 will drive the outermost meshing cleaning gear 22 to rotate together. The rotation of the cleaning gear 22 will drive another cleaning gear 22 to rotate through the meshing transfer gear 23, and then drive the cleaning brush 25 to rotate through the oblique shaft structure 24 (the oblique shaft structure 24 is an existing structure, such as an oblique shaft plunger pump structure and a universal joint rotation structure, which will not be described in detail here). During the movement of the outer convex mirror 11, The electrically controlled rotating bead 16 will deflect at a small angle in the ball tile 15, so that when the outer convex mirror 11 moves to the cleaning brush 25, each convex surface part will fully contact the cleaning brush 25, so that the rotating cleaning brush 25 can better clean the dirty outer convex mirror 11. In this way, the movement of the cleaning rack 21 can be used to drive multiple cleaning brushes 25 to rotate, so that the oblique cleaning brush 25 can brush and clean the convex surface part of the outer convex mirror 11 during the movement, which is convenient for cleaning during the replacement of the dirty outer convex mirror 11, so that the outer convex mirror 11 replaced next time can be kept clean again.
[0022] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. An optical lens structure and its camera, comprising an assembly housing (1) and a sealing seat (2), characterized in that: The top of the sealing seat (2) is connected to a placement seat (3) via a plurality of buffer plungers (4), a plurality of magnetic resistance components for reducing vibration are arranged below the placement seat (3), and the four side walls of the sealing seat (2) are fixedly connected to a transverse buffer box (7), the transverse buffer box (7) is filled with fine sand, and a cross partition (9) is arranged on the transverse buffer box (7); A plurality of optical lenses are installed in the assembly shell (1), and an adjustment seat (10) is fixedly connected to the bottom end of the assembly shell (1), and two opposite receiving rings (12) are fixedly connected to the left and right sides of the top of the adjustment seat (10) through two fixing plates respectively, and two opposite arc guide rails (13) are fixedly connected to the front and rear sides of the top of the adjustment seat (10), and a sliding seat (14) is provided on the arc guide rail (13), and the sliding seat (14) is connected to a hydraulic push rod (17) through an adjustment component, and the output end of the hydraulic push rod (17) is fixedly connected to an outer convex mirror (11) through a convex mirror limit plate (18), and two opposite electric control push rods (19) are provided on one side of the arc guide rail (13), and the electric control push rod (19) is connected to two cleaning brushes (25) through a wheel strip component.
2. The optical lens structure and camera thereof according to claim 1, characterized in that: The bottom end of the sealing seat (2) is fixedly connected to the top end of the assembly shell (1), and the sealing seat (2) is fixedly connected to the placement seat (3) via a buffer plunger (4). The placement seat (3) is provided with a plurality of mounting holes.
3. The optical lens structure and camera thereof according to claim 1, characterized in that: The magnetic resistance component consists of a damping magnetic disk (5) and a buffer copper tube (6); the bottom end of the placement seat (3) is fixedly connected to the damping magnetic disk (5) via a fixing rod; the damping magnetic disk (5) and the buffer copper tube (6) are located on the same vertical axis; the bottom end of the buffer copper tube (6) is fixedly connected to the top end of the sealing seat (2).
4. The optical lens structure and camera thereof according to claim 1, characterized in that: A cross groove is provided on the top of the transverse buffer box (7), the inner side wall of the cross groove is slidably connected to the side wall of the cross partition (9), the side wall of the transverse buffer box (7) is fixedly connected to an electric push rod (8) via an inverted U plate, and the output end of the electric push rod (8) is fixedly connected to the top of the cross partition (9).
5. The optical lens structure and camera thereof according to claim 1, characterized in that: The adjustment assembly consists of a ball bushing (15) and an electrically controlled rotating ball (16); the arc guide rail (13) is slidably connected to the sliding seat (14); the sliding seat (14) is fixedly connected to the outer side wall of the ball bushing (15); and the inner side wall of the ball bushing (15) is rotatably connected to the electrically controlled rotating ball (16).
6. The optical lens structure and camera thereof according to claim 5, characterized in that: The electrically controlled rotating ball (16) is fixedly connected to the side wall of the hydraulic push rod (17) via a right-angle rod, and two sliding seats (14) are provided on the arc-shaped guide rail (13) and are arranged at right angles to each other.
7. The optical lens structure and camera thereof according to claim 1, characterized in that: The wheel assembly consists of a cleaning rack (21) and two cleaning gears (22); the top of the adjustment seat (10) is fixedly connected to the electric control push rod (19) through a vertical plate; the output end of the electric control push rod (19) is fixedly connected to the end of the cleaning rack (21); and the side wall of the cleaning rack (21) is slidably connected to the top of the adjustment seat (10) through a limiting slide groove (20).
8. The optical lens structure and camera thereof according to claim 7, characterized in that: A transfer gear (23) is provided between the two cleaning gears (22), and the transfer gear (23) is respectively engaged with the cleaning gears (22) on both sides, and the cleaning rack (21) is engaged with the outermost cleaning gear (22). The cleaning gear (22) and the transfer gear (23) are both fixedly connected to the top end of the adjustment seat (10) via a rotating shaft, and the top end of the cleaning gear (22) is connected to the bottom end of the cleaning brush (25) via an oblique shaft structure (24).