A new type of cleaning and sweeping vehicle

Abstract

This invention belongs to the field of cleaning equipment technology, and specifically relates to a novel cleaning patrol vehicle, including a vehicle body assembly. A rack is installed on the rear side of the vehicle body assembly, and a trash can is placed inside the rack. Side brushes are installed on the sides of the vehicle body assembly, and a roller brush housing is installed on the rear side of the side brushes. The roller brush housing is fixed to the vehicle body assembly via a housing connecting rod and a push rod connecting rod. An electric push rod is also fixedly installed on the vehicle body assembly, and a rotating shaft B is rotatably connected to it. The rotating shaft B is rotatably sleeved with the push rod connecting rod, and the output end of the electric push rod is hinged to one end of the push rod connecting rod. This invention reduces the vehicle height by using a foldable headrest and backrest, thereby saving transportation space and reducing transportation costs. By raising the roller brush housing, the lifespan of sweeping consumables is increased, reducing operating costs. Furthermore, the switching between operating modes and patrol / transfer modes ensures safety while improving work efficiency.

Description

Technical Field

[0001] This invention belongs to the field of cleaning equipment technology, and in particular relates to a new type of cleaning patrol vehicle. Background Technology

[0002] The traditional cleaning method for urban roads, residential communities, industrial parks, parks, and other roads involves sanitation workers sweeping with brooms on foot. The assigned area is usually no more than 500 meters, resulting in low work efficiency.

[0003] To address the inefficiency of traditional manual sweeping, patrol sweepers were developed. While current patrol sweepers utilize side brush units for road cleaning, these units are fixed in position. When the equipment travels on uneven surfaces (such as potholes or shoulder joints), the fixed brush units create significant obstruction against these protruding parts. This not only drastically reduces the sweeper's mobility but also causes excessive wear due to the hard friction between the brushes and the road surface, shortening the brush unit's lifespan and increasing maintenance costs.

[0004] In addition, the trash cans that come with the side brush components need to be cleaned frequently to ensure continuous operation. However, the current fixed structure of the trash cans is cumbersome to operate (such as requiring the use of tools to disassemble multiple fasteners), which results in a long cleaning time for sanitation workers and further interrupts the operation process. At the same time, the existing patrol sweepers are generally large in size and tall in height, occupying a lot of space during transportation. The number of patrol sweepers that a single transport vehicle can carry is limited, which indirectly increases the transportation cost of the equipment and is not conducive to rapid deployment in multiple areas (such as scattered residential communities and parks). Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing a new type of cleaning and patrol vehicle.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a novel cleaning and sweeping vehicle, comprising a vehicle body assembly, a placement frame installed on the rear side of the vehicle body assembly, a trash can placed in the placement frame, a side brush installed on the side of the vehicle body assembly, a roller brush box installed on the rear side of the side brush, the roller brush box being fixed to the vehicle body assembly via a box connecting rod and a push rod connecting rod, and an electric push rod and a rotating shaft B being fixedly installed on the vehicle body assembly, the rotating shaft B being rotatably sleeved with the push rod connecting rod, and the output end of the electric push rod being hinged to one end of the push rod connecting rod;

[0007] Trash cans are installed on both sides of the vehicle body assembly. A handle is rotatably connected to the vehicle body assembly via a release shaft D for clamping and fixing the trash cans.

[0008] In the aforementioned novel cleaning and sweeping vehicle, the vehicle body assembly includes a frame, a steering fork is mounted on the front side of the frame, a handlebar stem is hinged to the upper front side of the frame via a folding shaft A, a handlebar is fixedly connected to the upper end of the handlebar stem, a seat is fixedly mounted on the frame, and a backrest is hinged to the upper rear side of the seat via a folding shaft C.

[0009] In the aforementioned novel cleaning and sweeping vehicle, a separation mesh plate is fixedly connected to the lower inner wall of the trash can. Two electric push-pull rods are symmetrically fixedly connected to the upper end of the placement rack. The upper ends of the two electric push-pull rods are fixedly connected to the same pressure cap located above the trash can. A U-shaped bracket is fixedly connected to the upper end of the pressure cap. Two electric squeezing rods are symmetrically fixedly inserted into the horizontal part of the U-shaped bracket. The lower output ends of the two electric squeezing rods penetrate the surface of the pressure cap and are fixedly connected to the same squeezing plate. A laser rangefinder located directly above the squeezing plate is fixedly inserted into the pressure cap. A drain pipe is fixedly connected to the lower side wall of the trash can. An on / off valve is installed on the drain pipe. A liquid level feedback mechanism is also fixedly connected to the lower outer wall of the trash can.

[0010] In the aforementioned novel cleaning and sweeping vehicle, the liquid level feedback mechanism includes a fixed cylinder fixedly connected to the outer wall of the trash can. The lower end of the fixed cylinder is connected to the trash can via a water pipe. A lifting piston is movably fitted inside the fixed cylinder in a sealed manner. A lifting rod is fixedly connected to the upper end of the lifting piston. The upper end of the lifting rod passes through the upper end of the fixed cylinder. A compensating spring fitted outside the lifting rod is fixedly connected to the upper end of the lifting piston and the top of the inner wall of the fixed cylinder. A pressing plate is fixedly connected to the upper end of the lifting rod. An extension cylinder covered by the pressing plate is fixedly connected to the upper end of the fixed cylinder. A warning switch located directly above the pressing plate is fixedly connected to the top of the inside of the extension cylinder.

[0011] In the aforementioned new type of cleaning and sweeping vehicle, a pressure sensor supporting the lower end of the trash can is fixedly installed on the bottom of the inner wall of the placement frame, and an overload warning reminder mechanism is fixedly installed on the upper end of the U-shaped bracket.

[0012] In the aforementioned novel cleaning and sweeping vehicle, the overload warning mechanism includes a mounting shell. A drive shaft is rotatably connected to the center of the inner wall of the mounting shell. Both ends of the drive shaft are fixedly connected to an outer expansion plate. A torque return spring, sleeved outside the drive shaft, is fixedly connected between the outer expansion plate and the mounting shell. An extension rod is fixedly connected to the shaft wall of the drive shaft. An arc-shaped pressing block is fixedly connected to the end of the extension rod away from the drive shaft. A reminder switch, corresponding to the position of the arc-shaped pressing block, is fixedly installed on one side of the inner wall of the mounting shell. A servo motor is fixedly installed at the upper end of the mounting shell. The upper end of the drive shaft penetrates through the outer wall of the mounting shell. The drive shaft and the output end of the servo motor are connected by a magnetic connection assembly.

[0013] In the aforementioned new type of cleaning and sweeping vehicle, the lower end of the pressure cap is fitted with a sealing ring located at the upper end of the trash can.

[0014] In the aforementioned new type of cleaning and sweeping vehicle, the inner wall of the trash can is coated with a Teflon anti-stick coating.

[0015] Compared with existing technologies, the advantages of this invention are as follows:

[0016] 1. Through the set vehicle body components, roller brush box, push rod connecting rod, and electric push rod, the roller brush box can be lifted by rotating around the axis B on the vehicle frame via the electric push rod, which facilitates the relocation of the equipment or climbing curbs, and gives the equipment better passability.

[0017] 2. The trash can is designed with a release shaft D and a handle, which allows for quick opening and closing of the trash can, making it convenient to pick up and put down the trash can.

[0018] 3. By setting up a frame, folding axle A, headstock stem, handlebars, seat, folding axle C, and backrest, the backrest can be folded backward via folding axle C, and the headstock stem can be folded backward via folding axle A, which can effectively reduce the height of the equipment and save material costs.

[0019] 4. By using the set garbage can, separation mesh plate, electric push-pull rod, pressure cover, U-shaped bracket, electric squeezing rod, squeezing plate, laser rangefinder, drain pipe, and opening and closing valve, the placed garbage can be compressed and solid-liquid separation can be performed, which improves the efficiency of a single operation and avoids the problems of bacterial growth and obvious odor spread caused by solid and liquid garbage mixing together.

[0020] 5. The liquid level feedback mechanism can monitor the storage amount of leachate in real time, avoiding the problem of insufficient solid-liquid separation due to excessive leachate. It also avoids the water hammer effect caused by excessive leachate due to the movement of the sweeping vehicle, which could damage the garbage bin.

[0021] 6. Through the installed pressure sensor and overload warning mechanism, the amount of garbage in the trash can can be monitored in real time, avoiding the problem that the rear of the sweeping vehicle may tilt up due to excessive garbage storage. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural schematic diagram of Embodiment 1 of the present invention;

[0023] Figure 2 This is a schematic diagram of the main structure of Embodiment 1 of the present invention;

[0024] Figure 3 This is a top view of the structure of Embodiment 1 of the present invention;

[0025] Figure 4 This is a schematic diagram of the garbage bin clamped state in Embodiment 1 of the present invention;

[0026] Figure 5 This is a schematic diagram of the trash can in the loosened state in Embodiment 1 of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the headrest and backrest in Embodiment 1 of the present invention after folding.

[0028] Figure 7 This is a rear view structural schematic diagram of Embodiment 2 of the present invention;

[0029] Figure 8 This is a cross-sectional view of the trash can in Embodiment 2 of the present invention;

[0030] Figure 9 This is a cross-sectional view of the liquid level feedback mechanism in Embodiment 2 of the present invention;

[0031] Figure 10 This is a cross-sectional structural diagram of the overload warning and reminder mechanism in Embodiment 2 of the present invention.

[0032] In the diagram: 1. Body assembly, 101. Frame, 102. Steering fork, 103. Folding axle A, 104. Stem tube, 105. Handlebar, 106. Seat bucket, 107. Folding axle C, 108. Backrest, 2. Storage rack, 3. Trash can, 4. Side brush, 5. Roller brush housing, 6. Housing linkage, 7. Push rod linkage, 8. Electric push rod, 9. Rotary shaft B, 10. Trash can, 11. Release shaft D, 12. Handle, 13. Separation mesh plate, 14. Electric push-pull rod, 15. Pressure cap, 16. U-shaped bracket, 17. Electric squeeze rod, 18. Squeeze plate, 19. Laser rangefinder, 20. Drain pipe, 21. Opening and closing mechanism. Valve, 22 Liquid level feedback mechanism, 2201 Fixed cylinder, 2202 Water pipe, 2203 Lifting piston, 2204 Lifting rod, 2205 Compensating spring, 2206 Press plate, 2207 Extension cylinder, 2208 Warning switch, 23 Pressure sensor, 24 Overload warning mechanism, 2401 Mounting shell, 2402 Drive shaft, 2403 Outer expansion plate, 2404 Torque return spring, 2405 Extension rod, 2406 Arc-shaped press block, 2407 Reminder switch, 2408 Servo motor, 2409 Magnetic connection assembly, 25 Sealing ring. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] Example 1

[0035] like Figures 1-6 As shown, a new type of cleaning and sweeping vehicle includes a vehicle body assembly 1. A placement rack 2 is installed on the rear side of the vehicle body assembly 1. A trash can 3 is placed inside the placement rack 2. The inner wall of the trash can 3 is coated with a Teflon anti-stick coating. A side brush 4 is installed on the side of the vehicle body assembly 1. A roller brush box 5 is installed on the rear side of the side brush 4. The roller brush box 5 is fixed to the vehicle body assembly 1 through a box connecting rod 6 and a push rod connecting rod 7. An electric push rod 8 is also fixedly installed on the vehicle body assembly 1 and a rotating shaft B9 is rotatably connected to it. The rotating shaft B9 is rotatably sleeved with the push rod connecting rod 7. The output end of the electric push rod 8 is hinged to one end of the push rod connecting rod 7.

[0036] Trash cans 10 are installed on both sides of the vehicle body assembly 1. A handle 12 is rotatably connected to the vehicle body assembly 1 via a release shaft D11 for clamping and fixing the trash cans 10.

[0037] The vehicle body assembly 1 includes a frame 101. A steering fork 102 is mounted on the front side of the frame 101. A handlebar stem 104 is also hinged to the upper front side of the frame 101 via a folding shaft A103. A handlebar 105 is fixedly connected to the upper end of the handlebar stem 104. A seat 106 is also fixedly mounted on the frame 101. A backrest 108 is hinged to the rear upper end of the seat 106 via a folding shaft C107.

[0038] Example 2

[0039] like Figures 7-10 As shown, based on Example 1, it also includes:

[0040] A separation mesh plate 13 is fixedly connected to the lower inner wall of the trash can 3. Two electric push-pull rods 14 are symmetrically fixedly connected to the upper end of the placement rack 2. The upper ends of the two electric push-pull rods 14 are fixedly connected to the same pressure cover 15 located above the trash can 3. The lower end of the pressure cover 15 is fitted with a sealing ring 25 located at the upper end of the trash can 3. The upper end of the pressure cover 15 is fixedly connected to a U-shaped bracket 16. Two electric squeezing rods 17 are symmetrically fixedly inserted into the horizontal part of the U-shaped bracket 16. The lower output ends of the two electric squeezing rods 17 penetrate through the surface of the pressure cover 15 and are fixedly connected to the same squeezing plate 18. A laser rangefinder 19 located directly above the squeezing plate 18 is fixedly inserted into the pressure cover 15. A drain pipe 20 is fixedly connected to the lower side wall of the trash can 3. An opening and closing valve 21 is installed on the drain pipe 20. A liquid level feedback mechanism 22 is also fixedly connected to the lower outer wall of the trash can 3.

[0041] The liquid level feedback mechanism 22 includes a fixed cylinder 2201 fixedly connected to the outer wall of the trash can 3. The lower end of the fixed cylinder 2201 is connected to the trash can 3 through a water pipe 2202. A lifting piston 2203 is sealed and movably sleeved inside the fixed cylinder 2201. A lifting rod 2204 is fixedly connected to the upper end of the lifting piston 2203. The upper end of the lifting rod 2204 passes through the upper end of the fixed cylinder 2201. A compensating spring 2205 sleeved outside the lifting rod 2204 is fixedly connected to the upper end of the lifting piston 2203 and the top of the inner wall of the fixed cylinder 2201. A pressing plate 2206 is fixedly connected to the upper end of the lifting rod 2204. An extension cylinder 2207 covering the pressing plate 2206 is fixedly connected to the upper end of the fixed cylinder 2201. An alarm switch 2208 located directly above the pressing plate 2206 is fixedly connected to the top of the interior of the extension cylinder 2207.

[0042] A pressure sensor 23 is fixedly installed on the bottom of the inner wall of the placement rack 2, supporting the lower end of the trash can 3, and an overload warning reminder mechanism 24 is fixedly installed on the upper end of the U-shaped bracket 16.

[0043] The overload warning mechanism 24 includes a mounting shell 2401. A drive shaft 2402 is rotatably connected to the center of the inner wall of the mounting shell 2401. Outer expansion plates 2403 are fixedly connected to both ends of the drive shaft 2402. A torque return spring 2404, sleeved on the outside of the drive shaft 2402, is fixedly connected between the outer expansion plates 2403 and the mounting shell 2401. An extension rod 2405 is fixedly connected to the shaft wall of the drive shaft 2402, and the extension rod 2405 is located away from the drive shaft. An arc-shaped pressing block 2406 is fixedly connected to one end of the moving shaft 2402. An reminder switch 2407 corresponding to the position of the arc-shaped pressing block 2406 is fixedly installed on one side of the inner wall of the mounting shell 2401. A servo motor 2408 is fixedly installed on the upper end of the mounting shell 2401. The upper end of the drive shaft 2402 passes through the outer side of the mounting shell 2401. The output ends of the drive shaft 2402 and the servo motor 2408 are connected by a magnetic connection component 2409.

[0044] The operating principle of this invention is described as follows: Side brushes 4 are arranged on both sides of the vehicle, and a roller brush box 5 is arranged behind the side brushes 4. The roller brush box 5 is fixed to the frame 101 through the box connecting rod 6 and the push rod connecting rod 7. The roller brush box 5 can be lifted by the electric push rod 8 around the rotating shaft B9 on the frame 101, which facilitates the equipment to be moved or climb the curb, making it more passable. Two side-drawn garbage bins 10 are used to store garbage alternately. With the cooperation of the release shaft D11, the garbage bins 10 can be opened and closed by rotating the handle 12. The overall vehicle width is less than 970mm, which can pass through most of the width restriction posts of the sidewalks and carry out sweeping and cleaning operations on the sidewalks. The vehicle can be equipped with garbage bins 3 to collect garbage. The backrest 108 is folded backward by the folding shaft C107, and the head tube 104 is folded backward at the folding shaft A103, which can effectively reduce the height of the vehicle body, thereby saving transportation space and reducing transportation costs.

[0045] After garbage is placed in garbage bin 3, the electric push-pull rod 14 moves the pressure cover 15 downward, and the pressure cover 15 presses and limits the upper end of garbage bin 3. The electric squeezing rod 17 pushes the squeezing plate 18 to move inside garbage bin 3, compressing the garbage stored in garbage bin 3. This not only reduces the space occupied by garbage and improves the storage efficiency of garbage bin 3, but also separates the garbage into solid and liquid components. This is because the organic matter (such as protein and fat) in leachate will decompose under the action of microorganisms to produce malodorous gases such as hydrogen sulfide (rotten egg smell) and ammonia (irritating smell). Especially in the high temperature of summer, the odor of mixed garbage can spread more than 50 meters away, causing residents to complain. After separation, the odor of solid garbage is greatly reduced (low water content, weakened microbial activity). The leachate is also sealed to prevent odor leakage. In addition, leachate contains a large number of pathogens (such as E. coli and Salmonella) and parasite eggs. If mixed garbage leaks, it is easy to spread diseases through contact or mosquito bites. After separation, solid garbage is drier, which is not conducive to the reproduction of pathogens.

[0046] A portion of the leachate stored at the bottom of garbage bin 3 enters the fixed cylinder 2201 through the water pipe 2202. As the amount of leachate stored increases, the height of the leachate also increases, causing the lifting piston 2203 to move upward in sync with the lifting rod 2204, overcoming the elastic force of the compensating spring 2205. This continues until the amount of leachate stored reaches the maximum threshold. At this point, the lifting piston 2203 also moves upward a sufficient distance, causing the pressing plate 2206 at the top of the lifting rod 2204 to press against the warning switch 2208, reminding staff to return in time to discharge and clean the leachate. This prevents excessive leachate from affecting the subsequent solid-liquid separation effect and from causing significant damage to garbage bin 3 due to the water hammer effect.

[0047] Pressure sensor 23 monitors the weight of trash can 3 in real time to determine the trash storage status. When the pressure value monitored by pressure sensor 23 exceeds the limit, the power supply circuit of servo motor 2408 and magnetic connection component 2409 is activated. Magnetic connection component 2409 connects the output end of servo motor 2408 to drive shaft 2402. Servo motor 2408 drives drive shaft 2402 to rotate, causing drive shaft 2402 to overcome torque. The spring force of return spring 2404 drives extension rod 2405 to move arc-shaped pressing block 2406 synchronously until arc-shaped pressing block 2406 presses on reminder switch 2407, indicating that... If the weight of the garbage in trash can 3 is too high, it needs to be returned for emptying in time to avoid the problem of the sweeping cart tipping over due to the excessive weight of trash can 3. In addition, if the weight of trash can 3 is not reached but the pressure sensor 23 briefly reaches the threshold due to the shaking of the cart, when the pressure sensor 23 detects the correct result, the pressure value fed back by the pressure sensor 23 is not up to standard. At this time, the power supply to the servo motor 2408 and the magnetic connection component 2409 is cut off. Under the action of the torque reset spring 2404, the drive shaft 2402 drives the arc-shaped pressing block 2406 to reset to the initial position to avoid the problem of false alarm.

[0048] When the electric squeezing rod 17 pushes the squeezing plate 18 to compress the garbage, a load sensor is installed at the output end of the electric squeezing rod 17. When the load sensor reaches the threshold, the electric squeezing rod 17 is controlled to stop moving, and the distance between it and the squeezing plate 18 is confirmed by the laser rangefinder 19. When the garbage can 3 is relatively full and the garbage can no longer be compressed, the distance signal fed back by the laser rangefinder 19 is so small that it reaches the threshold, that is, the garbage can no longer be compressed. The same feedback signal reminds the staff to return in time to carry out the cleaning work.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A novel cleaning and sweeping vehicle, comprising a vehicle body assembly (1), wherein a placement rack (2) is mounted on the rear side of the vehicle body assembly (1), and a trash can (3) is placed inside the placement rack (2), characterized in that, A side brush (4) is installed on the side of the vehicle body assembly (1), and a roller brush box (5) is installed on the rear side of the side brush (4). The roller brush box (5) is fixed to the vehicle body assembly (1) through a box connecting rod (6) and a push rod connecting rod (7). An electric push rod (8) and a rotating shaft B (9) are also fixedly installed on the vehicle body assembly (1). The rotating shaft B (9) is rotatably sleeved with the push rod connecting rod (7). The output end of the electric push rod (8) is hinged to one end of the push rod connecting rod (7). The vehicle body assembly (1) is equipped with trash cans (10) on both sides. A handle (12) is rotatably connected to the vehicle body assembly (1) via a release shaft D (11) for clamping and fixing the trash cans (10).

2. The novel cleaning and patrol vehicle according to claim 1, characterized in that, The vehicle body assembly (1) includes a frame (101), a steering fork (102) is mounted on the front side of the frame (101), a handlebar stem (104) is hinged to the upper front side of the frame (101) via a folding shaft A (103), a handlebar (105) is fixedly connected to the upper end of the handlebar stem (104), a seat (106) is fixedly mounted on the frame (101), and a backrest (108) is hinged to the rear upper end of the seat (106) via a folding shaft C (107).

3. The novel cleaning and patrol vehicle according to claim 1, characterized in that, A separation mesh plate (13) is fixedly connected to the lower inner wall of the trash can (3). Two electric push-pull rods (14) are symmetrically fixedly connected to the upper end of the placement rack (2). The upper ends of the two electric push-pull rods (14) are fixedly connected to the same pressure cap (15) located above the trash can (3). The upper end of the pressure cap (15) is fixedly connected to a U-shaped bracket (16). Two electric squeezing rods (17) are symmetrically fixedly inserted into the horizontal part of the U-shaped bracket (16). The lower output end of the electric squeezing rod (17) passes through the surface of the pressure cover (15) and is fixedly connected to the same squeezing plate (18). A laser rangefinder (19) located directly above the squeezing plate (18) is fixedly inserted on the pressure cover (15). A drain pipe (20) is fixedly connected to the lower side wall of the trash can (3). An opening and closing valve (21) is installed on the drain pipe (20). A liquid level feedback mechanism (22) is also fixedly connected to the lower outer wall of the trash can (3).

4. A novel cleaning and patrol vehicle according to claim 3, characterized in that, The liquid level feedback mechanism (22) includes a fixed cylinder (2201) fixedly connected to the outer wall of the trash can (3). The lower end of the fixed cylinder (2201) is connected to the trash can (3) through a water pipe (2202). A lifting piston (2203) is sealed and movably fitted inside the fixed cylinder (2201). A lifting rod (2204) is fixedly connected to the upper end of the lifting piston (2203). The upper end of the lifting rod (2204) passes through the upper end of the fixed cylinder (2201). A compensating spring (2205) sleeved on the outside of the lifting rod (2204) is fixedly connected to the upper end of the lifting rod (2203) and the top of the inner wall of the fixed cylinder (2201). A pressing plate (2206) is fixedly connected to the upper end of the lifting rod (2204). An extension cylinder (2207) covering the pressing plate (2206) is fixedly connected to the upper end of the fixed cylinder (2201). An alarm switch (2208) located directly above the pressing plate (2206) is fixedly connected to the top of the inside of the extension cylinder (2207).

5. A novel cleaning and patrol vehicle according to claim 3, characterized in that, The bottom of the inner wall of the placement rack (2) is fixedly equipped with a pressure sensor (23) that supports the lower end of the trash can (3), and the upper end of the U-shaped bracket (16) is fixedly equipped with an overload warning reminder mechanism (24).

6. A novel cleaning and patrol vehicle according to claim 5, characterized in that, The overload warning mechanism (24) includes a mounting shell (2401), a drive shaft (2402) rotatably connected to the center of the inner wall of the mounting shell (2401), and outer expansion plates (2403) fixedly connected to both ends of the drive shaft (2402). A torque return spring (2404) sleeved on the outside of the drive shaft (2402) is fixedly connected between the outer expansion plate (2403) and the mounting shell (2401). An extension rod (2405) is fixedly connected to the shaft wall of the drive shaft (2402). An arc-shaped pressing block (2406) is fixedly connected to one end away from the drive shaft (2402). An reminder switch (2407) corresponding to the position of the arc-shaped pressing block (2406) is fixedly installed on one side of the inner wall of the mounting shell (2401). A servo motor (2408) is fixedly installed at the upper end of the mounting shell (2401). The upper end of the drive shaft (2402) passes through the outside of the mounting shell (2401). The output ends of the drive shaft (2402) and the servo motor (2408) are connected by a magnetic connection component (2409).

7. A novel cleaning and patrol vehicle according to claim 3, characterized in that, The lower end of the pressure cap (15) is fitted with a sealing ring (25) located at the upper end of the trash can (3).

8. A novel cleaning and patrol vehicle according to claim 1, characterized in that, The inner wall of the trash can (3) is coated with a Teflon anti-stick coating.

Images