Surface cleaning equipment for vehicle lens machining

Abstract

The utility model discloses surface cleaning equipment for vehicle lens machining, and belongs to the technical field of vehicle lens machining. Comprising a cleaning pool (1) and a supporting plate (9), a containing hole (10) is formed in the supporting plate (9), adjusting grooves (11) are formed in the two opposite sides of the inner wall of the containing hole (10) respectively, a two-way lead screw (12) is rotationally installed in the adjusting grooves (11), the two-way lead screw (12) is sleeved with two adjusting plates (13), the adjusting plates (13) are in threaded connection with the two-way lead screw (12), one end of each adjusting plate (13) extends into the corresponding adjusting groove (11), and the other end of each adjusting plate (13) extends into the corresponding adjusting groove (11). And a clamping plate (14) is arranged at the other end. According to the device, the distance between the clamping plates (14) is adjusted by screwing the two-way screw rod (12), so that a lens is conveniently clamped. The problems that in the prior art, no lens positioning component is arranged, and the cleaning effect is poor due to the fact that wiping and cleaning of lenses are prone to shaking and shifting are solved.

Description

Technical Field

[0001] The utility model discloses surface cleaning equipment for vehicle lens processing, belonging to the technical field of vehicle lens processing. Background Art

[0002] Vehicle lenses refer to various mirrors on a car, including rearview mirrors, front windshields, rear windows, etc.; the function of these lenses is to help the driver observe the situation around the vehicle to ensure driving safety; vehicle lenses are usually made of special glass or plastic materials and have functions such as UV protection and anti-glare; during driving, the driver needs to adjust the angle and position of the mirror as needed to better observe the situation around the vehicle.

[0003] Domestic patent publication number CN220239393U discloses a surface cleaning device for vehicle lens processing, including a cleaning tank, two support plates are fixedly installed on both end side walls of the cleaning tank, and a second sliding rod is fixedly installed between the two support plates.

[0004] In the above technology, the vehicle lens is placed in a storage tank, and the friction between the vehicle lens and the storage tank is increased by anti-slip protrusions. Then, water is added to the cleaning tank. Then, a second motor drives the second screw to rotate. Under the limiting action of the storage table and the first slide bar, the storage table is raised and lowered. After the storage table rises to the appropriate position, the bottom end of the cleaning roller is rotated by the third motor to clean the vehicle lens. However, when the vehicle lens is only fixed by the anti-slip protrusions during cleaning, it is difficult to ensure that the cleaning roller will not shake or shift when it contacts the vehicle lens. This may make it difficult to fully and comprehensively clean the vehicle lens, thereby reducing the cleaning effect. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the prior art does not have a lens positioning component, so the lens is easily shaken and offset when being wiped and cleaned, resulting in poor cleaning effect.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a surface cleaning device for vehicle lens processing, including a cleaning tank, a support plate is provided inside the cleaning tank, a plurality of placement holes are opened on the support plate, and adjustment grooves are respectively opened on the inner walls of the placement holes facing the two sides, a bidirectional screw rod is rotatably installed inside the adjustment groove, two adjustment plates are sleeved on the bidirectional screw rod, and the adjustment plates are threadedly connected to the bidirectional screw rod, one end of the adjustment plate extends into the adjustment groove, and the other end is installed with a clamping plate.

[0007] Among them, the top end of the bidirectional screw in the above device passes through the adjustment slot, and a synchronous wheel is provided at the through end. A synchronous belt is provided on the outer side of the synchronous wheel, and adjacent synchronous wheels are connected by a synchronous belt.

[0008] Wherein, servo motors are respectively provided on both sides of the support plate in the above device, and the output ends of the servo motors are respectively fixedly connected to both sides of the support plate, so that the servo motors can drive the support plate to rotate.

[0009] Furthermore, in the above-mentioned device, a first mounting frame is fixed on both sides of the cleaning tank, a first driving device is provided inside the first mounting frame, and the first driving device can drive the support plate to move along the length direction of the cleaning tank, and the outer end of the servo motor is connected to the first driving device; a second mounting frame is fixed on one side of the cleaning tank, a second driving device is provided inside the second mounting frame, a cleaning device is provided above the cleaning tank, and the second driving device can drive the cleaning device to move along the width direction, and several mounting frames are fixed on the side of the cleaning tank away from the cleaning device, and multiple flushing nozzles are fixed at the bottom of the mounting frame.

[0010] Furthermore, in the above device, two fixing frames are fixed between the mounting frames, a plurality of electric heating lamps are fixed inside the fixing frames, and a fan is fixed on the top of the fixing frames.

[0011] Furthermore, in the above-mentioned device, a first electric push rod is installed above the first driving device, and a connecting rod is fixed to the telescopic end of the first electric push rod. The connecting rod is rotatably connected to the end of the support plate away from the end of the first electric push rod, and the servo motor is fixedly installed inside the connecting rod; a mounting plate is installed above the second driving device, and a second electric push rod is fixed to one side of the mounting plate, and the telescopic end of the second electric push rod is fixedly connected to one side of the cleaning device.

[0012] Furthermore, in the above device, a plurality of rotating rollers are spaced apart at the lower end of the cleaning device, and the number and spacing of the rotating rollers are adapted to the placement holes.

[0013] Among them, two docking frames are fixed on both sides of the inner lower wall of the cleaning tank in the above-mentioned device, two filter plates are slidably installed inside the cleaning tank, and two docking blocks are fixed at the bottom of the filter plates, and the docking blocks are slidably connected to the inside of the docking frame.

[0014] Wherein, a protective pad is fixed on one side of the clamping plate in the above device.

[0015] In the above-mentioned device, a U-shaped mounting groove is provided on one side of the adjustment plate, a connecting block is fixed on one side of the clamping plate, the connecting block is inserted into the mounting groove and is rotatably connected to the adjustment plate, a rotating motor is fixed inside the adjustment plate, and the output end of the rotating motor is fixedly connected to one end of the rotating shaft rotatably connected to the connecting block and the mounting groove.

[0016] The beneficial effects of the utility model are:

[0017] 1. This device drives the adjustment plates to move closer to or away from each other by rotating the bidirectional screw. When cleaning, the adjustment plates move closer to each other, driving the clamping plates closer to each other, thereby clamping and fixing the vehicle lens. At this time, the vehicle lens is wiped and cleaned by the cleaning device. During this process, the vehicle lens will stably contact the cleaning device, avoiding shaking and deviation of the vehicle lens. After one side of the vehicle lens is cleaned, the output end of the servo motor rotates to drive the support plate to rotate, thereby flipping the vehicle lens. Therefore, both sides of the vehicle lens can be cleaned, which is beneficial for making the vehicle lens be cleaned more fully and comprehensively, thereby improving the subsequent use effect. In addition, when clamping and fixing, the vehicle lens can be protected by the protective pad, reducing the risk of damage and improving safety.

[0018] 2. This device drives the synchronous belt to rotate through the rotation of the synchronous wheel, and then realizes the rotation of multiple bidirectional screws. Therefore, multiple clamping plates can clamp and fix multiple vehicle lenses, thereby improving the placement efficiency during cleaning and saving time and physical effort.

[0019] 3. This device generates heat through electric heating lamps, and then blows the generated heat to the cleaned vehicle lenses through a fan, so that the vehicle lenses can be dried in a timely and effective manner to avoid water stains and spots.

[0020] 4. This device can filter the wastewater generated during cleaning through the filter plate, and then recycle the cleaning water again, saving water resources while protecting the environment. After using it for a period of time, the filter plate can be quickly and conveniently removed by sliding the docking block and the docking frame, which is conducive to full and comprehensive cleaning and maintenance of the filter plate to prevent it from affecting the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 This is a structural diagram of the placement hole of the utility model;

[0023] Figure 3 This is a structural diagram of the mounting bracket of the utility model;

[0024] Figure 4 This is a structural diagram of the docking block of the present invention;

[0025] Figure 5 For this utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0026] In the figure: 1. cleaning tank; 2. first mounting frame; 3. first driving device; 4. second mounting frame; 5. second driving device; 6. cleaning device; 7. mounting frame; 8. flushing nozzle; 9. support plate; 10. placement hole; 11. adjustment slot; 12. two-way screw rod; 13. adjustment plate; 14. clamping plate; 15. synchronous wheel; 16. synchronous belt; 17. servo motor; 18. fixing frame; 19. electric heating lamp; 20. fan; 21. first electric push rod; 22. connecting rod; 23. mounting plate; 24. second electric push rod; 25. docking frame; 26. filter plate; 27. docking block; 28. protective pad; 29. ​​mounting slot; 30. connecting block; 31. rotating motor. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] like Figures 1 to 5As shown, the present invention is a surface cleaning device for vehicle lens processing, comprising a cleaning tank 1, wherein a support plate 9 is provided inside the cleaning tank 1, and a plurality of placement holes 10 are provided on the support plate 9. Adjustment slots 11 are provided on the inner walls of the placement holes 10 on both sides thereof. A bidirectional screw 12 is rotatably mounted inside the adjustment slot 11, and two adjustment plates 13 are sleeved on the bidirectional screw 12. The adjustment plates 13 are threadedly connected to the bidirectional screw 12. One end of the adjustment plate 13 extends into the adjustment slot 11, and a clamping plate 14 is mounted on the other end. It will be understood by those skilled in the art that the support plate 9 of the present device only needs to keep the lens immersed in the cleaning tank 1 as a whole, and the placement holes 10 are used to accommodate the lens, and their shapes are appropriately adjusted according to the shape of the lens. The device has adjustment slots 11 on both sides of the inner wall of the placement hole 10, which are respectively opposite to each other. The adjustment slots 11 are kept opposite to each other, and a bidirectional screw 12 is rotatably installed inside each adjustment slot 11. Two adjustment plates 13 are sleeved on each bidirectional screw 12, and the adjustment plates 13 are connected to the threads on both sides of the bidirectional screw 12. At the same time, one end of the adjustment plate 13 extends into the adjustment slot 11, and the other end is installed with a clamping plate 14. Due to the limitation of the adjustment slot 11, this structural setting prevents the adjustment plate 13 from rotating with the bidirectional screw 12 and can only move axially along the bidirectional screw 12. The bidirectional screw 12 is also provided with threads of different rotation directions on the outer walls of both sides, and the adjustment plate 13 is provided with an adapted threaded hole. Twisting the bidirectional screw 12 can realize the separation or convergence of the two adjustment plates 13, that is, control the separation or convergence of the two clamping plates 14. The clamping plate 14 directly acts on the lens, thereby achieving the clamping of the lens. During use, the adjusting plates 13 are driven to move closer to or away from each other by rotating the bidirectional screw rod 12. When cleaning, the adjusting plates 13 are driven closer to each other, which drives the clamping plates 14 closer to each other, thereby clamping and fixing the vehicle lens. At this time, the vehicle lens is wiped and cleaned by the cleaning device 6. During this process, the vehicle lens will be in stable contact with the cleaning device 6, avoiding shaking and deviation of the vehicle lens.

[0029] Preferably, the top end of the bidirectional screw 12 in the above-mentioned device passes through the adjustment slot 11, and a synchronous pulley 15 is provided at the through-end. A synchronous belt 16 is provided on the outer side of the synchronous pulley 15, and adjacent synchronous pulleys 15 are connected by the synchronous belt 16. It will be understood by those skilled in the art that in this device, the top end of the bidirectional screw 12 preferably passes through the adjustment slot 11, and a synchronous pulley 15 is provided at the through-end. A synchronous belt 16 is provided on the outer side of the synchronous pulley 15, and adjacent synchronous pulleys 15 are connected by the synchronous belt 16. In practice, the synchronous pulley 15 is preferably a sprocket or gear. To reduce costs, it is preferred that the synchronous pulleys 15 on the same side drive a single synchronous belt 16. In practice, the synchronous belt 16 is preferably a chain or a synchronous belt with teeth on the inner wall. The rotation of the synchronous pulley 15 drives the synchronous belt 16, which in turn can realize the rotation of multiple bidirectional screws 12. Therefore, multiple clamping plates 14 can clamp and fix multiple vehicle lenses, thereby improving the placement efficiency during cleaning and saving time and physical effort.

[0030] Preferably, servo motors 17 are provided on both sides of the support plate 9 in the above-mentioned device, and the output ends of the servo motors 17 are fixedly connected to the two sides of the support plate 9, so that the servo motors 17 can drive the support plate 9 to rotate. It will be understood by those skilled in the art that in order to achieve double-sided cleaning of the lens, the device preferably provides a servo motor 17 to rotate the support plate 9. After cleaning one side of the vehicle lens, the device rotates the support plate 9 by rotating the output end of the servo motor 17, thereby achieving the flipping of the vehicle lens, and thus cleaning both sides of the vehicle lens, which is conducive to making the vehicle lens be cleaned more fully and comprehensively, and further conducive to improving the subsequent use effect.

[0031] Preferably, in the above-mentioned device, a first mounting frame 2 is fixed on both sides of the cleaning pool 1, a first driving device 3 is provided inside the first mounting frame 2, and the first driving device 3 can drive the support plate 9 to move along the length direction of the cleaning pool 1, and the outer end of the servo motor 17 is connected to the first driving device 3; a second mounting frame 4 is fixed on one side of the cleaning pool 1, a second driving device 5 is provided inside the second mounting frame 4, a cleaning device 6 is provided above the cleaning pool 1, and the second driving device 5 can drive the cleaning device 6 to move along the width direction, and a plurality of mounting frames 7 are fixed on the side of the cleaning pool 1 away from the cleaning device 6, and a plurality of flushing nozzles 8 are fixed at the bottom of the mounting frame 7. It will be understood by those skilled in the art that in order to facilitate the movement of the support plate 9 between the mounting frame 7 and the cleaning device 6 and the gradual cleaning of the lens by the cleaning device 6, the present device preferably has a first mounting frame 2 fixed on both sides of the cleaning pool 1, that is, the first mounting frame 2 is provided on the upper outer wall of the cleaning pool 1 and is provided along the length direction of the cleaning pool 1. A first drive device 3 is provided inside the first mounting frame 2, and the outer end of the servo motor 17 is connected to the first drive device 3, so that the first drive device 3 can drive the support plate 9 to move along the length direction of the cleaning tank 1. A second mounting frame 4 is fixed on one side of the cleaning tank 1, that is, the upper part of the outer wall of one side in the width direction of the cleaning tank 1, and a second drive device 5 is provided inside the second mounting frame 4. At the same time, a cleaning device 6 is provided above the cleaning tank 1, and the second drive device 5 can drive the cleaning device 6 to move along the width direction. The first drive device 3 and the second drive device 5 can be any as long as they can achieve linear drive. In practice, it is preferred that the first drive device 3 and the second drive device 5 are electric push rods or electric screw structures. At the same time, a number of mounting frames 7 are fixed on the side of the cleaning tank 1 away from the cleaning device 6, and a number of flushing nozzles 8 are fixed at the bottom of the mounting frame 7, and the lenses are cleaned by the flushing nozzles 8.

[0032] Preferably, two fixing frames 18 are fixed between the mounting frames 7 in the above-mentioned device. Multiple electric heating lamps 19 are fixed inside the fixing frames 18, and a fan 20 is fixed to the top of the fixing frames 18. Those skilled in the art will appreciate that the device generates heat through the electric heating lamps 19, which is then blown by the fan 20 onto the cleaned vehicle lens, thereby allowing the vehicle lens to be dried promptly and effectively, avoiding water stains and spots.

[0033] Preferably, in the above-mentioned device, a first electric push rod 21 is mounted above the first drive device 3. A connecting rod 22 is fixed to the telescopic end of the first electric push rod 21. The connecting rod 22 is rotatably connected to the end of the support plate 9 at the end away from the first electric push rod 21, and the servo motor 17 is fixedly mounted inside the connecting rod 22. A mounting plate 23 is mounted above the second drive device 5. A second electric push rod 24 is fixed to one side of the mounting plate 23. The telescopic end of the second electric push rod 24 is fixedly connected to one side of the cleaning device 6. It will be understood by those skilled in the art that the telescopic end of the first electric push rod 21 is extended and retracted to drive the connecting rod 22 to rise, and the servo motor 17 is fixedly mounted inside the connecting rod 22. The output end of the servo motor 17 is fixedly connected to both sides of the support plate 9. Therefore, the support plate 9 can be adjusted in height up and down, making it more convenient to move it below the flushing nozzle 8, thereby improving cleaning efficiency. In addition, the second electric push rod 24 can be used to adjust the position of the cleaning device 6, so that it can fit more fully with the vehicle lens, improve the cleaning effect, and drive the cleaning device 6 to extend and retract when the support plate 9 is moved, preventing the movement of the support plate 9 from being obstructed.

[0034] Preferably, the cleaning device 6 in the above-mentioned device is provided with a plurality of rotating rollers at intervals at the lower end thereof, and the number and spacing of the rotating rollers are adapted to the placement holes 10. It will be understood by those skilled in the art that, in order to facilitate the cleaning of lenses placed in a row of placement holes 10, the present device preferably has a plurality of rotating rollers at intervals at the lower end of the cleaning device 6. The rotating rollers are conventional in technology, and their size is adapted to the placement holes 10, or may be slightly larger than the placement holes 10. To facilitate synchronous drive, the spaced rotating rollers can actually be linked by gear meshing. To improve cleaning efficiency, the present device preferably has the number and spacing of the rotating rollers adapted to the placement holes 10, specifically, the number and spacing of the rotating rollers adapted to a single row of placement holes 10.

[0035] Preferably, in the above-mentioned device, two docking frames 25 are fixed on either side of the inner lower wall of the cleaning tank 1. Two filter plates 26 are slidably mounted inside the cleaning tank 1. Two docking blocks 27 are fixed to the bottom of the filter plates 26, and the docking blocks 27 are slidably connected to the inside of the docking frames 25. As will be appreciated by those skilled in the art, in order to reuse the cleaning water in the cleaning tank 1 and reduce production costs, two docking frames 25 are fixed on either side of the inner lower wall of the cleaning tank 1. Two filter plates 26 are slidably mounted inside the cleaning tank 1. Two docking blocks 27 are fixed to the bottom of the filter plates 26, and the docking blocks 27 are actually slidably connected to the inside of the docking frames 25. This allows the device to filter the wastewater generated during cleaning through the filter plates 26, thereby allowing the clean water to be recycled again, saving water resources while protecting the environment. After a period of use, the filter plates 26 can be quickly and conveniently removed by sliding the docking blocks 27 into the docking frame 25, thereby facilitating thorough and comprehensive cleaning and maintenance of the filter plates 26 and preventing them from affecting the next use.

[0036] Preferably, a protective pad 28 is fixed to one side of the clamping plate 14 in the above-mentioned device. Those skilled in the art will appreciate that, in order to ensure the integrity of the lens cleaning structure, the present device preferably has a protective pad 28 fixed to one side of the clamping plate 14, i.e., the side in contact with the lens. The protective pad 28 ensures that the lens is properly clamped and protects the vehicle lens during clamping, reducing the risk of damage and improving safety.

[0037] Preferably, in the above-mentioned device, a U-shaped mounting groove 29 is formed on one side of the adjustment plate 13, and a connecting block 30 is fixed to one side of the clamping plate 14. The connecting block 30 is inserted into the mounting groove 29 and is rotatably connected to the adjustment plate 13. A rotary motor 31 is fixed inside the adjustment plate 13, and the output end of the rotary motor 31 is fixedly connected to one end of a rotating shaft that is rotatably connected to the connecting block 30 and the mounting groove 29. It will be understood by those skilled in the art that, in order to facilitate adjustment of the lens cleaning angle, the present device preferably has a U-shaped mounting groove 29 formed on one side of the adjustment plate 13, and a connecting block 30 is fixed on one side of the clamping plate 14, and the connecting block 30 is inserted into the mounting groove 29 and is rotatably connected to the adjustment plate 13. Furthermore, a rotary motor 31 is fixed inside the adjustment plate 13, and the output end of the rotary motor 31 is fixedly connected to one end of a rotating shaft that is rotatably connected to the connecting block 30 and the mounting groove 29. The angle between the clamping plate 14 and the adjustment plate 13 can be controlled by the rotary motor 31. This structure enables the device to rotate the connecting block 30 by rotating the output end of the rotating motor 31, so that the clamping plate 14 can be rotated, thereby quickly adjusting the angle, facilitating the placement and removal of vehicle lenses, and improving flexibility.

Claims

1. A surface cleaning device for vehicle lens processing, comprising a cleaning tank (1), wherein a support plate (9) is provided inside the cleaning tank (1), and a plurality of placement holes (10) are provided on the support plate (9), characterized in that: Adjustment grooves (11) are respectively provided on both sides of the inner wall of the placement hole (10), and a bidirectional screw rod (12) is rotatably installed inside the adjustment groove (11). Two adjustment plates (13) are sleeved on the bidirectional screw rod (12), and the adjustment plates (13) are threadedly connected to the bidirectional screw rod (12). One end of the adjustment plate (13) extends into the adjustment groove (11), and the other end is installed with a clamping plate (14).

2. The surface cleaning device for vehicle lens processing according to claim 1, characterized in that: The top end of the bidirectional screw rod (12) passes through the adjustment slot (11), and a synchronous wheel (15) is provided at the through end. A synchronous belt (16) is sleeved on the outer side of the synchronous wheel (15), and adjacent synchronous wheels (15) are connected by the synchronous belt (16).

3. The surface cleaning device for vehicle lens processing according to claim 1, characterized in that: Servo motors (17) are respectively provided on both sides of the support plate (9), and output ends of the servo motors (17) are respectively fixedly connected to both sides of the support plate (9), so that the servo motors (17) can drive the support plate (9) to rotate.

4. The surface cleaning device for vehicle lens processing according to claim 3, characterized in that: A first mounting frame (2) is fixed on both sides of the cleaning pool (1), a first driving device (3) is provided inside the first mounting frame (2), and the first driving device (3) can drive a support plate (9) to move along the length direction of the cleaning pool (1), and the outer end of the servo motor (17) is connected to the first driving device (3); a second mounting frame (4) is fixed on one side of the cleaning pool (1), a second driving device (5) is provided inside the second mounting frame (4), a cleaning device (6) is provided above the cleaning pool (1), and the second driving device (5) can drive the cleaning device (6) to move along the width direction, and a plurality of mounting frames (7) are fixed on the side of the cleaning pool (1) away from the cleaning device (6), and a plurality of flushing nozzles (8) are fixed at the bottom of the mounting frame (7).

5. The surface cleaning device for vehicle lens processing according to claim 4, characterized in that: Two fixing frames (18) are fixed between the mounting frames (7), a plurality of electric heating lamps (19) are fixed inside the fixing frames (18), and a fan (20) is fixed on the top of the fixing frames (18).

6. The surface cleaning device for vehicle lens processing according to claim 4, characterized in that: A first electric push rod (21) is installed above the first driving device (3), and a connecting rod (22) is fixed to the telescopic end of the first electric push rod (21), and the connecting rod (22) is rotatably connected to the end of the support plate (9) away from the end of the first electric push rod (21), and the servo motor (17) is fixedly installed inside the connecting rod (22); a mounting plate (23) is installed above the second driving device (5), and a second electric push rod (24) is fixed to one side of the mounting plate (23), and the telescopic end of the second electric push rod (24) is fixedly connected to one side of the cleaning device (6).

7. The surface cleaning device for vehicle lens processing according to claim 4, characterized in that: A plurality of rotating rollers are arranged at intervals at the lower end of the cleaning device (6), and the number and spacing of the rotating rollers are adapted to the placement holes (10).

8. The surface cleaning device for vehicle lens processing according to claim 1, characterized in that: Two docking frames (25) are fixed on both sides of the inner lower wall of the cleaning tank (1), two filter plates (26) are slidably installed inside the cleaning tank (1), and two docking blocks (27) are fixed at the bottom of the filter plates (26). The docking blocks (27) are slidably connected to the inside of the docking frames (25).

9. The surface cleaning device for vehicle lens processing according to claim 1, characterized in that: A protective pad (28) is fixed on one side of the clamping plate (14).

10. The surface cleaning device for vehicle lens processing according to claim 1, characterized in that: A U-shaped mounting groove (29) is provided on one side of the adjustment plate (13); a connecting block (30) is fixed on one side of the clamping plate (14); the connecting block (30) is inserted into the mounting groove (29) and is rotatably connected to the adjustment plate (13); a rotating motor (31) is fixed inside the adjustment plate (13); and an output end of the rotating motor (31) is fixedly connected to one end of a rotating shaft rotatably connected to the connecting block (30) and the mounting groove (29).

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