CN113914428A

CN113914428A - Automatic cleaning device for public toilet

Info

Publication number: CN113914428A
Application number: CN202111210531.XA
Authority: CN
Inventors: 李建新
Original assignee: Shanghai Telijie Environmental Technology Co ltd
Current assignee: Shanghai Telijie Environmental Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-01-11

Abstract

The invention discloses an automatic cleaning device for a public toilet, and belongs to the field of public toilets. An automatic cleaning device for public toilets comprises an automatic cleaning control system and an automatic cleaning driving mechanism, wherein the automatic cleaning driving mechanism consists of a working frame, a moving mechanism, a water absorbing mechanism and a roller mechanism; when no person is sensed by the automatic cleaning control system, the automatic cleaning driving mechanism is driven to start working; the working frame starts to move from the stopping side of the toilet to the other side through the moving mechanism, the water absorbing mechanism and the roller mechanism; when the squatting pan moves, a water sucking raking component of a water sucking mechanism on the working frame is lifted by 30mm to flush the surface of the squatting pan; then the roller mechanism cleans the ground, the working time of one stroke is 30 seconds, and the cleaning work of the ground in the toilet can be automatically completed. The invention has compact and reasonable structural design and strong functions, greatly improves the environment of the public toilet, is favorable for creating a clean and beautiful public toilet environment and is convenient for popularization.

Description

Automatic cleaning device for public toilet

Technical Field

The invention relates to the field of public toilets, in particular to an automatic cleaning device for a public toilet.

Background

As the public toilet has more users, the sanitation workers can not clean the dirty environment in time, the comfort level of people is affected, and the civilized image of the city is also reduced. Therefore, the existing public toilet needs to be changed, unmanned automatic cleaning is realized, and the environment of the public toilet is clean and beautiful due to the force of the public toilet, so that the public toilet is in a necessary trend. In view of this, we propose an automatic cleaning device for public toilets.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an automatic cleaning device for a public toilet, which can clean the ground in the toilet, automatically flush, wipe and suck the ground in the toilet after finishing using the toilet every time, and realize the full automation of cleaning in the toilet.

2. Technical scheme

An automatic cleaning device for public toilets comprises an automatic cleaning control system and an automatic cleaning driving mechanism, wherein the automatic cleaning driving mechanism consists of a working frame, a moving mechanism, a water absorbing mechanism and a roller mechanism;

the automatic cleaning control system is arranged in a toilet room of a toilet and is used for controlling the automatic cleaning driving mechanism;

the automatic cleaning driving mechanism is arranged relative to the squatting pan and used for cleaning the surface of the squatting pan;

the working frame is vertically arranged on the opposite side of the squatting pan and is used for carrying the moving mechanism, the water absorption mechanism and the roller mechanism;

the moving mechanism comprises a motor assembly and a guide rail assembly matched with the motor assembly, the motor assembly is loaded on the working frame and used for providing power, and the guide rail assembly is installed on one side far away from the toilet room door and used for guiding the working frame;

the water suction mechanism is arranged at the bottom of the travelling end of the working frame and is used for sucking water on the surface of the squatting pan;

the roller mechanism is arranged at the bottom of the tail end of the working frame and used for cleaning dirt on the surface of the squatting pan.

Preferably, self-cleaning control system includes PLC, converter, photoelectric sensor, spacing sensor, water supply solenoid valve and door magnetism, PLC and converter integration are in a control box, the door magnetism is installed in the junction between door and lavatory between the lavatory, photoelectric sensor installs in the squatting pan top, spacing sensor is installed in guide rail assembly terminal, the water supply solenoid valve is installed on the delivery pipeline between the lavatory.

Preferably, the guide rail assembly comprises a shield which is axially and fixedly arranged on one side of the toilet where the door is not opened, the shield is internally divided into a wire bunching cavity and a guide cavity which are arranged at the upper side and the lower side through a diaphragm plate, a tow chain for protecting an electric wire is arranged in the wire bunching cavity, a rack is fixedly arranged in the guide cavity, a trolley plate is arranged on the outer side of the rack, and the trolley plate is arranged in the guide cavity in a sliding manner through a guide sleeve and a guide rod.

Preferably, the motor assembly comprises a stepping motor, a speed reducer, a motor fixing seat, a collet, a connecting shaft and a gear; the stepping motor is arranged in the working frame and is vertically distributed with the trolley plate, the high-speed shaft of the speed reducer is connected with the output shaft of the stepping motor, the speed reducer is fixedly connected with the working frame through the motor fixing seat, the input end of the connecting shaft penetrates through the side plate of the working frame and is connected with the low-speed shaft of the speed reducer through the collet chuck, the output end of the connecting shaft penetrates through the surface of the trolley plate and extends to the back side, the connecting shaft is sleeved with a gear, and the gear is meshed with the rack.

Preferably, the water absorption mechanism comprises a water absorption raking assembly arranged at the bottom of the advancing end of the working frame, the water absorption raking assembly comprises a water absorption seat, a water absorption rubber strip and a rear blocking strip are inserted into a gap in a groove at the bottom of the water absorption seat, the height of the rear blocking strip and the height of the water absorption rubber strip are larger than that of the water absorption seat, a connecting plate is further arranged at the bottom of the water absorption seat, and the connecting plate, the water absorption rubber strip, the rear blocking strip and the water absorption seat form a water absorption cavity in an enclosing mode.

Preferably, the connecting plate is a hair clasp structure, a water suction port is formed in the middle of the connecting plate, the slots in the water suction rubber strips and the rear blocking strips are in plug-in fit with the plug blocks on the surface of the connecting plate, the pressing strips used for pressing the water suction rubber strips and the rear blocking strips are further inserted into the grooves in the bottom of the water suction seat, and two ends of each pressing strip are connected and fixed with the water suction seat through elastic buckles and quick clamps respectively.

Preferably, the water absorption mechanism further comprises a servo motor, a lifting screw rod, a screw rod nut, a guide optical axis, a hose joint and a water spraying assembly A; servo motor installs on the diaphragm at work frame middle part, promote lead screw input and servo motor output coaxial coupling, screw-nut installs in the seat top that absorbs water and with promote lead screw output threaded connection, the direction optical axis is installed in the promotion direction that promotes the lead screw both sides and be used for the seat that absorbs water, hose joint install in the seat top that absorbs water and with the chamber intercommunication that absorbs water, just the hose joint export communicates with the work frame on the motor that absorbs water, water spray subassembly A installs and is advancing one side and wash the direction and absorb water the seat direction of advancing the same in the seat that absorbs water of absorbing water.

Preferably, the water absorption seat lifting height is 30 mm.

Preferably, roller mechanism is including inlaying the dustcoat of locating the workstation tail end bottom, rotate through the roller bearing in the dustcoat and be connected with downward convex brush roller, brush roller surface and squatting pan surface rolling contact, direct current motor is installed to the dustcoat top surface, direct current motor output has cup jointed synchronizing wheel A, synchronizing wheel A passes through belt friction transmission with synchronizing wheel B that the roller shaft tip cup jointed, the dustcoat tip is equipped with the casing of protection belt, the gyro wheel is installed to the casing bottom.

Preferably, roller mechanism is still including locating the water spray subassembly B that the dustcoat advanced one side, water spray subassembly B washes the direction relative with dustcoat advancing direction, water spray subassembly B all has the spray pipe with water spray subassembly A and install in a plurality of shower nozzles of spray pipe bottom surface constitute, two the spray pipe all communicates with the booster pump of installing on the work rest.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

when no person is sensed by the automatic cleaning control system, the automatic cleaning driving mechanism is driven to start working; the working frame starts to move from the stopping side of the toilet to the other side through the moving mechanism, the water absorbing mechanism and the roller mechanism; when the squatting pan moves, a water sucking raking component of a water sucking mechanism on the working frame is lifted by 30mm to flush the surface of the squatting pan; then the roller mechanism cleans the ground, the working time of one stroke is 30 seconds, and the cleaning work of the ground in the toilet can be automatically completed. The cleaning device has the advantages that the cleaning device is timely in structure cleaning, the cleaning efficiency and quality are improved, the defect of uneven cleaning quality is overcome, unmanned cleaning is realized for epidemic situations or heavily polluted areas, the diffusion of pollutants is avoided, the environment of the public toilet is greatly improved, the problems that the existing manual cleaning wastes time and labor, the labor force is reduced, the clean and beautiful public toilet environment is created, and the cleaning device is convenient to popularize.

Drawings

FIG. 1 is a schematic diagram of an application structure of the present invention;

FIG. 2 is a schematic top view of the overall structure of the present invention;

FIG. 3 is a bottom view of the overall structure of the present invention;

FIG. 4 is a schematic view of the overall structural de-shelling of the present invention;

FIG. 5 is a schematic structural view of a moving mechanism according to the present invention;

FIG. 6 is a schematic view of the moving mechanism of the present invention;

FIG. 7 is a front view of the working frame and a part of the connecting structure thereof;

FIG. 8 is a side view of the present invention showing the working frame and a part of the connecting structure thereof;

FIG. 9 is a schematic view of the assembly of the present invention;

FIG. 10 is a schematic view of the roller mechanism of the present invention with the structure broken away;

the reference numbers in the figures illustrate: 1. a working frame; 2. a moving mechanism; 3. a water absorbing mechanism; 4. a roller mechanism; 5. A motor assembly; 6. a guide rail assembly; 7. a water absorption rake assembly; 8. a booster pump;

301. a servo motor; 302. lifting the screw rod; 303. a feed screw nut; 304. guiding the optical axis; 305. a hose connector; 306. a water spray component A; 307. a suction motor;

401. a housing; 402. a brush roller; 403. a direct current motor; 404. a synchronizing wheel A; 405. a synchronizing wheel B; 406. a housing; 407. a roller; 408. a water spray component B;

501. a stepping motor; 502. a speed reducer; 503. a motor fixing seat; 504. a collet; 505. a connecting shaft; 506. a gear;

601. a shield; 602. a drag chain; 603. a rack; 604. a dolly plate;

701. a water absorbing seat; 702. a water absorbing adhesive tape; 703. a back stop bar; 704. a connecting plate; 705. and (5) pressing the strips.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-10, the present invention provides a technical solution:

an automatic cleaning device for public toilets comprises an automatic cleaning control system and an automatic cleaning driving mechanism, wherein the automatic cleaning driving mechanism consists of a working frame 1, a moving mechanism 2, a water absorbing mechanism 3 and a roller mechanism 4;

the working frame 1 is vertically arranged at the opposite side of the squatting pan and is used for carrying the moving mechanism 2, the water absorption mechanism 3 and the roller mechanism 4;

the moving mechanism 2 comprises a motor component 5 and a guide rail component 6 matched with the motor component 5, the motor component 5 is loaded on the working frame 1 and used for providing power, and the guide rail component 6 is installed on one side far away from the toilet door and used for guiding the working frame 1;

the water absorption mechanism 3 is arranged at the bottom of the advancing end of the working frame 1 and is used for absorbing and removing water on the surface of the squatting pan;

the roller mechanism 4 is arranged at the bottom of the tail end of the working frame 1 and used for cleaning dirt on the surface of the squatting pan.

When the automatic cleaning control system senses that no person is in use, the automatic cleaning driving mechanism is driven to start working, the working time of one stroke is 30 seconds, and the cleaning work of the floor between toilets can be automatically finished. The cleaning device has the advantages that the cleaning device is timely in structure cleaning, the cleaning efficiency and quality are improved, the defect of uneven cleaning quality is overcome, unmanned cleaning is realized for epidemic situations or heavily polluted areas, the diffusion of pollutants is avoided, the environment of the public toilet is greatly improved, the problems that the existing manual cleaning wastes time and labor, the labor force is reduced, the clean and beautiful public toilet environment is created, and the cleaning device is convenient to popularize.

Specifically, self-cleaning control system includes PLC, converter, photoelectric sensor, spacing sensor, water supply solenoid valve and door magnetism, and PLC and converter are integrated in a control box, and the door magnetism is installed in the junction between door and lavatory between the lavatory, and photoelectric sensor installs in squatting pan top, and spacing sensor is installed in 6 terminals of guide rail assembly, and the water supply solenoid valve is installed on the delivery pipeline between the lavatory. The automatic cleaning control system is fixed above an automatic cleaning driving mechanism near a wall of a toilet, and is mainly used for closing a toilet door after the public toilet is used and no person is detected in the toilet, performing automatic cleaning acousto-optic reminding through an external reminding mechanism and starting the automatic cleaning driving mechanism to work; the driving moving mechanism 2 starts to work to drive the working frame 1 provided with the water absorbing mechanism 3 and the roller mechanism 4 to move; when the travel switch on the other side is touched, the moving mechanism 2 rotates reversely to drive the working frame 1 to return, and the movement is stopped after the travel switch on the parking space is touched; the external reminding mechanism stops the automatic cleaning acousto-optic reminding and prompts a user to normally use the toilet.

Further, the guide rail assembly 6 comprises a shield 601 axially fixedly arranged on one side of the toilet where the door is not opened, the inside of the shield 601 is divided into a wire bunching cavity and a guide cavity by a diaphragm plate, the wire bunching cavity is internally provided with a drag chain 602 for protecting electric wires, a rack 603 is fixedly arranged in the guide cavity, a trolley board 604 is arranged on the outer side of the rack 603, and the trolley board 604 is slidably arranged in the guide cavity through a guide sleeve and a guide rod. The whole assembly is externally wrapped by an aluminum profile or a stainless steel shell, is waterproof and dustproof, has the same length with a toilet, controls the stroke of the working frame 1 to move, and ensures that the working surface of the working frame 1 covers the whole toilet.

Still further, the motor assembly 5 includes a stepping motor 501, a reducer 502, a motor fixing seat 503, a collet 504, a connecting shaft 505 and a gear 506; the stepping motor 501 is arranged in the working frame 1 and is vertically distributed with the trolley plate 604, the high-speed shaft of the speed reducer 502 is connected with the output shaft of the stepping motor 501, the speed reducer 502 is fixedly connected with the working frame 1 through the motor fixing seat 503, the input end of the connecting shaft 505 penetrates through the side plate of the working frame 1 and is connected with the low-speed shaft of the speed reducer 502 through the collet 504, the output end of the connecting shaft 505 penetrates through the surface of the trolley plate 604 and extends to the back side and is sleeved with the gear 506, and the gear 506 is meshed with the rack 603.

Furthermore, the water absorbing mechanism 3 comprises a water absorbing rake assembly 7 which is arranged at the bottom of the advancing end of the working frame 1, the water absorbing rake assembly 7 comprises a water absorbing seat 701, a water absorbing adhesive tape 702 and a rear barrier strip 703 are inserted into a gap in a groove at the bottom of the water absorbing seat 701, the height of the rear barrier strip 703 and the water absorbing adhesive tape 702 is greater than that of the water absorbing seat 701, a connecting plate 704 is further arranged at the bottom of the water absorbing seat 701, and a water absorbing cavity is defined by the connecting plate 704, the water absorbing adhesive tape 702, the rear barrier strip 703 and the water absorbing seat 701.

It is worth to be noted that the connecting plate 704 is in a hair band structure, a water suction port is formed in the middle of the connecting plate 704, the slots on the water absorption rubber strip 702 and the rear blocking strip 703 are in inserting fit with the insertion blocks on the surface of the connecting plate 704, a pressing strip 705 for pressing the water absorption rubber strip 702 and the rear blocking strip 703 is further inserted into the groove in the bottom of the water absorption seat 701, and two ends of the pressing strip 705 are respectively connected and fixed with the water absorption seat 701 through elastic buckles and quick clamps.

It is worth noting that the water absorbing mechanism 3 further comprises a servo motor 301, a lifting screw 302, a screw nut 303, a guiding optical axis 304, a hose connector 305 and a water spraying assembly a 306; servo motor 301 is installed on the diaphragm at work frame 1 middle part, promote lead screw 302 input and servo motor 301 output coaxial coupling, screw-nut 303 is installed at the seat 701 top that absorbs water and with promote lead screw 302 output threaded connection, direction optical axis 304 is installed in the promotion direction that promotes lead screw 302 both sides and be used for the seat 701 that absorbs water, hose coupler 305 is installed at the seat 701 top that absorbs water and with the chamber intercommunication that absorbs water, and hose coupler 305 export and the work frame 1 on the motor 307 intercommunication that absorbs water, water spray component A installs and is gone one side and wash the direction and absorb water seat 701 direction of advance the same in seat 701 that absorbs water of advancing.

In addition, the water absorption seat 701 has a lifting height of 30 mm.

The seat 701 that absorbs water is the aluminum alloy die-casting, and the adhesive tape 702 that absorbs water is wear-resisting PU adhesive tape, is fixed in the seat 701 that absorbs water through fast calorie, and it is convenient fast to dismantle. The middle of the connecting plate 704 is provided with a water suction port which is connected with a water suction motor 307 through a hose connector 305 and a hose; a lifting screw rod 302 and two guide optical axes 304 in the water absorption mechanism 3 are connected with a water absorption seat 701, the lifting screw rod 302 rotates, a water absorption rake assembly 7 is driven to ascend or descend through a screw rod nut 303 which is matched with the lifting screw rod and fixed on the water absorption seat 701, when the lifting screw rod is descended, a water absorption rubber strip 702 of the water absorption rake assembly 7 is completely attached to the ground to form a sealed space, when a water absorption motor 307 works, vacuum negative pressure is formed in the range of the water absorption rubber strip 702, water or sewage in the water absorption rubber strip 702 is directly absorbed, and the water or the sewage is absorbed into a sewage tank; the sewage tank is arranged in the working frame 1, and can realize automatic sewage discharge within the range from the working frame to the squatting pan.

Besides, the roller mechanism 4 comprises an outer cover 401 embedded at the bottom of the tail end of the working frame 1, a brush roller 402 protruding downwards is rotatably connected in the outer cover 401 through a rolling shaft, the surface of the brush roller 402 is in rolling contact with the surface of the squatting pan, a direct current motor 403 is installed on the top surface of the outer cover 401, a synchronizing wheel A404 is connected to the output end of the direct current motor 403 in a sleeved mode, the synchronizing wheel A404 and a synchronizing wheel B405 connected with the end portion of the rolling shaft in a sleeved mode are in friction transmission through a belt, a shell 406 of a protective belt is arranged at the end portion of the outer cover 401, and a roller 407 is installed at the bottom of the shell 406.

In addition, the roller mechanism 4 further comprises a water spraying component B408 arranged on the advancing side of the outer cover 401, the flushing direction of the water spraying component B408 is opposite to the advancing direction of the outer cover 401, the water spraying component B408 and the water spraying component A306 are both provided with water spraying pipes and a plurality of spray heads arranged on the bottom surfaces of the water spraying pipes, and the two water spraying pipes are communicated with a booster pump 8 arranged on the working frame 1.

The outer part of the working frame 1 is a stainless steel shell, and the inner part of the working frame is a stainless steel pipe frame; the brush roller 402 is positioned at the forefront of the first movement direction of the work frame 1, starts to rotate when the work frame 1 moves for the first time, and stops rotating when the work frame 1 moves for the second time (return stroke); the water spraying component B408 and the water spraying component A306 are fixed at the bottom of the working frame 1 and distributed at two sides of the water absorbing rake component 7; when the water spraying assembly B408 works, water is sprayed below the brush roller 402, the brush roller 402 is guaranteed to be washed with water to the ground, and meanwhile the brush roller 402 is washed online; the water spray component A306 directly washes the ground, and the number and the angle of the nozzles are set to ensure that the whole ground can be washed; the front end of the nozzle component is connected with a booster pump 8, so that the water pressure of the outlet water of the nozzle is increased, and the cleaning effect is improved; the front end of the booster pump 8 can be directly supplied with municipal water or provided with a disinfectant mixing tank.

The present invention relates to circuits and electronic components and modules all of which are known in the art and are fully implemented by those skilled in the art, and it is not necessary to state that the invention is intended to be limited to such modifications as are suited to the particular use contemplated.

The working principle is as follows: after the user leaves the toilet after using, the toilet door is automatically closed through the door closer, the door magnetic signal is connected, meanwhile, the toilet photoelectric sensor senses that no person exists, and the device starts to work; the automatic cleaning driving mechanism drives the working frame 1 to move from the toilet stopping side to the other side through the matching of the stepping motor 501, the speed reducer 502, the gear 506 and the rack 603; when the water sucking and raking mechanism is moved, the water sucking and raking assembly 7 of the water sucking mechanism 3 on the working frame 1 is lifted by 30mm through the servo motor 301, the lifting screw rod 302, the screw rod nut 303 and the guide optical axis 304; one group of the two groups of nozzle assemblies on the working frame 1 is flushed to the brush roller 402, the brush roller 402 rotates with water to scrub the ground, and the other group of the nozzle assemblies directly spray water to the ground to flush the ground; when the working frame 1 reaches the other side, the travel switch is touched, the working frame moves to one side to stop, the brush roller 402 stops rotating, the water spraying of the nozzle assembly is closed, the water absorption rake assembly 7 is reversely reduced by 30mm, the water absorption rubber strip 702 in the water absorption rake is attached to the ground, the working frame 1 starts to return, the water absorption motor 307 is started, the ground water and the dirt are sucked into a sewage tank between the water absorption rake assembly and the water absorption motor, when the water absorption rake assembly reaches the stopping side, the travel switch is touched, one travel is finished, the automatic cleaning work of the ground between toilets is completed, and the whole working time is 30 seconds.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic cleaning device for public toilets is characterized in that: the automatic cleaning device comprises an automatic cleaning control system and an automatic cleaning driving mechanism, wherein the automatic cleaning driving mechanism consists of a working frame (1), a moving mechanism (2), a water absorbing mechanism (3) and a roller mechanism (4);

the working frame (1) is vertically arranged on the opposite side of the squatting pan and is used for carrying the moving mechanism (2), the water absorbing mechanism (3) and the roller mechanism (4);

the moving mechanism (2) comprises a motor component (5) and a guide rail component (6) matched with the motor component (5), the motor component (5) is loaded on the working frame (1) and used for providing power, and the guide rail component (6) is installed on one side far away from the toilet door and used for guiding the working frame (1);

the water absorbing mechanism (3) is arranged at the bottom of the advancing end of the working frame (1) and is used for absorbing and removing water on the surface of the squatting pan;

the roller mechanism (4) is loaded at the bottom of the tail end of the working frame (1) and is used for cleaning dirt on the surface of the squatting pan.

2. An automatic cleaning device for public toilets according to claim 1, characterized in that: the automatic cleaning control system comprises a PLC, a frequency converter, a photoelectric sensor, a limiting sensor, a water supply electromagnetic valve and a door magnet, wherein the PLC and the frequency converter are integrated in a control box, the door magnet is installed at the joint between a toilet door and a toilet, the photoelectric sensor is installed above the squatting pan, the limiting sensor is installed at the terminal of a guide rail assembly (6), and the water supply electromagnetic valve is installed on a water supply pipeline between the toilets.

3. An automatic cleaning device for public toilets according to claim 1, characterized in that: guide rail subassembly (6) set firmly guard shield (601) of one side of not opening the door in lavatory including the axial, the bunch chamber and the direction chamber of both sides about the inside diaphragm partition of guard shield (601) is cut apart into, the bunch intracavity is equipped with tow chain (602) of protection electric wire, rack (603) have set firmly in the direction intracavity, rack (603) outside is equipped with trolley board (604), trolley board (604) are located the direction intracavity through guide pin bushing, guide arm slip.

4. An automatic cleaning device for public toilets according to claim 3, characterized in that: the motor assembly (5) comprises a stepping motor (501), a speed reducer (502), a motor fixing seat (503), a collet (504), a connecting shaft (505) and a gear (506); the stepping motor (501) is arranged in the working frame (1) and is vertically distributed with the trolley plate (604), a high-speed shaft of the speed reducer (502) is connected with an output shaft of the stepping motor (501), the speed reducer (502) is connected and fixed with the working frame (1) through a motor fixing seat (503), an input end of the connecting shaft (505) penetrates through a side plate of the working frame (1) and is connected with a low-speed shaft of the speed reducer (502) through a collet chuck (504), an output end of the connecting shaft (505) penetrates through the surface of the trolley plate (604) and extends to the back side and is sleeved with a gear (506), and the gear (506) is meshed and connected with the rack (603).

5. An automatic cleaning device for public toilets according to claim 1, characterized in that: the water absorption mechanism (3) comprises a water absorption raking assembly (7) arranged at the bottom of the advancing end of the working frame (1), the water absorption raking assembly (7) comprises a water absorption seat (701), a water absorption adhesive tape (702) and a rear blocking strip (703) are inserted into a groove in the bottom of the water absorption seat (701) at a gap, the height of the rear blocking strip (703) and the height of the water absorption adhesive tape (702) are larger than that of the water absorption seat (701), a connecting plate (704) is further arranged at the bottom of the water absorption seat (701), and a water absorption cavity is formed by the connecting plate (704), the water absorption adhesive tape (702), the rear blocking strip (703) and the water absorption seat (701).

6. An automatic cleaning device for public toilets according to claim 5, characterized in that: the connecting plate (704) is of a hair band structure, a water suction port is formed in the middle of the connecting plate (704), slots in the water suction rubber strip (702) and the rear blocking strip (703) are matched with insertion blocks on the surface of the connecting plate (704) in an inserting mode, a pressing strip (705) used for pressing the water suction rubber strip (702) and the rear blocking strip (703) is further inserted into a groove in the bottom of the water suction seat (701), and two ends of the pressing strip (705) are connected and fixed with the water suction seat (701) through elastic buckles and quick clamps respectively.

7. An automatic cleaning device for public toilets according to claim 5, characterized in that: the water absorption mechanism (3) further comprises a servo motor (301), a lifting screw rod (302), a screw rod nut (303), a guide optical axis (304), a hose connector (305) and a water spray assembly A (306); servo motor (301) are installed on the diaphragm at work frame (1) middle part, promote lead screw (302) input and servo motor (301) output coaxial coupling, screw-nut (303) are installed in seat (701) top of absorbing water and with promote lead screw (302) output threaded connection, direction optical axis (304) are installed in the promotion direction that promotes lead screw (302) both sides and are used for seat (701) that absorbs water, hose nipple (305) are installed in seat (701) top of absorbing water and are communicate with the chamber that absorbs water, just hose nipple (305) export and work frame (1) go up motor (307) intercommunication that absorbs water, water spray component A installs in seat (701) that absorbs water and advances one side and the direction of washing and seat (701) the direction of advance the same.

8. An automatic cleaning device for public toilets according to claim 5, characterized in that: the lifting height of the water absorbing seat (701) is 30 mm.

9. An automatic cleaning device for public toilets according to claim 7, characterized in that: roller mechanism (4) are including inlaying dustcoat (401) of locating work frame (1) tail end bottom, rotate through the roller bearing in dustcoat (401) and be connected with convex brush roller (402) downwards, brush roller (402) surface and squatting pan surface rolling contact, DC motor (403) are installed to dustcoat (401) top surface, synchronizing wheel A (404) have been cup jointed to DC motor (403) output, synchronizing wheel B (405) that synchronizing wheel A (404) and roller shaft tip cup jointed pass through belt friction drive, dustcoat (401) tip is equipped with casing (406) of protective belt, gyro wheel (407) are installed to casing (406) bottom.

10. An automatic cleaning device for public toilets according to claim 9, characterized in that: roller mechanism (4) are still including locating dustcoat (401) water spray subassembly B (408) of advancing one side, water spray subassembly B (408) wash the direction relative with dustcoat (401) advancing direction, water spray subassembly B (408) all have the spray pipe with water spray subassembly A (306) and install in a plurality of shower nozzles of spray pipe bottom surface constitute, two the spray pipe all with booster pump (8) intercommunication of installation on work frame (1).