WO2023077670A1

WO2023077670A1 - Floor scrubber and cleaning system

Info

Publication number: WO2023077670A1
Application number: PCT/CN2022/071273
Authority: WO
Inventors: 黄超; 朱经鲁
Original assignee: 上海仙途智能科技有限公司
Priority date: 2021-11-02
Filing date: 2022-01-11
Publication date: 2023-05-11
Also published as: CN115227151A

Abstract

A floor scrubber (10) and a cleaning system (100). The floor scrubber (10) comprises a clean water tank (16), a waste water tank (17) and a reversing device (21). The clean water tank (16) and the waste water tank (17) are arranged separately. The reversing device (21) comprises a water inlet (22), a first water outlet (23) and a second water outlet (24), wherein the water inlet (22) is configured to be connected to a water supply system (11), the first water outlet (23) is in communication with the waste water tank (17), and the second water outlet (24) is in communication with the clean water tank (16). When the reversing device (21) is located at a first position, the water inlet (22) is in communication with the first water outlet (23), and the floor scrubber (10) is in a cleaning mode; and when the reversing device (21) is located at a second position, the water inlet (22) is in communication with the second water outlet (24), and the floor scrubber (10) is in a water adding mode.

Description

Washing machine and cleaning system

technical field

The present application relates to the technical field of unmanned floor scrubbers, in particular to a floor scrubber and a cleaning system.

Background technique

Most of the indoor and outdoor areas are cleaned by manually pushing the washing machine. In order to save manpower, the automatic washing machine came into being. However, the automatic washing machine only guarantees the automatic completion of the cleaning process, and the replenishment and cleaning of the washing machine The work still requires manual work, and the efficiency is low.

Contents of the invention

The application provides a floor washing machine and a cleaning system to solve the problem of low automation of the floor washing machine.

The application provides a washing machine, which includes: a sewage tank; a fresh water tank, which is separated from the sewage tank; and a reversing device, including a water inlet, a first water outlet, and a second water outlet, and the water inlet is used for In connection with the water supply system, the first water outlet communicates with the sewage tank, the second water outlet communicates with the clean water tank, and when the reversing device is in the first position, the water inlet communicates with the When the reversing device is in the second position, the water inlet is connected to the second water outlet, and the floor washing machine is in the water adding mode.

Optionally, the sewage tank includes a hollow cavity and a spray head arranged in the hollow cavity, the spray head is provided with a water spray port connecting the first water outlet and the hollow cavity, and the water spray port faces the inside the hollow cavity.

Optionally, the sewage tank includes a nozzle water pipe arranged in the hollow cavity, one end of the nozzle water pipe is connected to the nozzle; a receiving part is formed between the sewage tank and the clean water tank, and the The reversing device is arranged in the accommodating part, and the accommodating part includes two opposite sides, one of which is provided with a first opening, and the water supply system is connected to the water inlet through the first opening; the other A second opening is provided on the side, and the other end of the nozzle water pipe communicates with the first water outlet through the second opening.

Optionally, a side wall of the accommodating portion protrudes from a first connecting portion, the second opening is disposed on the first connecting portion, and the shower pipe is at least partially accommodated in the first connecting portion.

Optionally, a guide block is included, the guide block abuts against the reversing device, the guide block includes a third opening and a fourth opening opposite to each other, and the third opening is farther away from the fourth opening than the fourth opening. In the reversing device, the third opening communicates with the fourth opening, and the third opening is larger than the fourth opening, and the fourth opening is arranged corresponding to the water inlet and communicated with the water inlet .

Optionally, the guide block includes a connection end extending from the fourth opening into the water inlet and a transition surface connecting the fourth opening and the edge of the connection end, and the floor scrubber includes a sealing ring, The sealing ring is fixedly arranged on the transition surface, the water supply system leans against the sealing ring; and/or a depression is formed inwardly from the outer surface of the dirty water tank and/or the clean water tank, and the The guide block is arranged on the recessed part, and the inner surface of the recessed part is closely attached to the outer surface of the guide block.

Optionally, it includes a controller and a first sensor, the first sensor is arranged in the clean water tank, the first sensor is used to detect the water level signal of the clean water tank, the controller and the first The sensor is electrically connected, and the controller is used to adjust and switch the working mode according to the water level signal of the clean water tank; and/or include a drainpipe communicating with the dirty water tank, which is arranged on the drainpipe for opening and closing the drainpipe The valve of the pipe, the controller and the second sensor, the second sensor is arranged in the sewage tank, the second sensor is used to detect the water level signal of the sewage tank, the controller and the second sensor Electrically connected, the controller is used to control the valve according to the water level signal of the sewage tank.

Optionally, it includes a second connection part protruding from the inner wall of the clean water tank, the second water outlet is arranged opposite to the second connection part, and the second connection part communicates with the second water outlet and The clean water tank; and/or the clean water tank and the sewage tank are arranged up and down; and/or also includes a sewage tank cover, which is arranged on the top of the sewage tank, and the sewage tank cover is clamped to the sewage tank .

The present application also provides a cleaning system, which includes the floor scrubber described in any one of the above embodiments and a water supply system connected to the floor scrubber, and the water supply system is connected to the water inlet.

Optionally, the water supply system includes a water adding station and a water supply pipe connected to the water adding station, and the water supply pipe communicates with the water inlet.

The floor washing machine provided by this application includes a sewage tank, a fresh water tank and a reversing device. The reversing device includes a water inlet, a first water outlet and a second water outlet. The water inlet is used to connect with the water supply system. The sewage tank is connected, the second water outlet is connected with the clean water tank, when the reversing device is in the first position, the water inlet is connected with the first water outlet, and the washing machine is in the cleaning mode; when the reversing device is in the second position, the water inlet The water port is connected with the second water outlet, and the washing machine is in the water adding mode. Such setting can realize the automatic water filling of the clean water tank of the washing machine and the simple cleaning of the sewage tank, which improves the automation of the washing machine.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

FIG. 1 is a schematic perspective view of a cleaning system according to an exemplary embodiment of the present application;

Figure 2 is a side view of the cleaning system shown in Figure 1;

Fig. 3 is a sectional view along the A-A direction of the cleaning system shown in Fig. 2;

Figure 4 is an enlarged view of a local area where the floor washing machine shown in Figure 3 is in the cleaning mode;

Fig. 5 is an enlarged view of a local area where the washing machine shown in Fig. 3 is in the water adding mode;

Fig. 6 is a three-dimensional sectional view of the cleaning system shown in Fig. 1;

FIG. 7 is another perspective cutaway view of the cleaning system shown in FIG. 1 .

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. Unless otherwise defined, the technical terms or scientific terms used in the application shall have the ordinary meanings understood by those skilled in the art to which the application belongs. "First", "second" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. "Multiple" or "several" means two or more. Unless otherwise indicated, terms such as "front", "rear", "lower" and/or "upper" are used for convenience of description only and are not intended to be limiting to a position or orientation in space. "Includes" or "comprises" and similar terms mean that the elements or items listed before "comprises" or "comprises" include the elements or items listed after "comprises" or "comprises" and their equivalents, and do not exclude other elements or objects. Words such as "connected" or "connected" are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect.

The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

This embodiment provides a floor washing machine and a cleaning system. The floor washing machine and cleaning system of the present application will be described in detail below with reference to the accompanying drawings. If there is no conflict, the features in the following embodiments and implementations can be combined with each other.

FIG. 1 is a schematic perspective view of a cleaning system 100 according to an exemplary embodiment of the present application; FIG. 2 is a side view of the cleaning system 100 shown in FIG. 1 . Referring to FIGS. 1 and 2 , the present application provides a cleaning system 100 , including a scrubber 10 and a water supply system 11 connected to the scrubber 10 . The water supply system 11 can supply water to the scrubber 10 . In some embodiments, the water supply system 11 includes a water adding station (not shown), which can store water and prevent insufficient water supply to the scrubber 10 due to water cutoff. The water adding station can be fixedly arranged on the ground, so that one water adding station can undertake the function of supplying water for multiple washing machines 10 , and the water adding station can also be arranged on the washing machines 10 to supply water for the washing machines 10 at any time. The water supply system 11 also includes a water supply pipe 12 and a water pump 15 connected to the water supply pipe 12. The water supply pipe 12 is connected to the water supply station. The water supply pipe 12 extends from the water supply station to the inside of the washing machine 10, and can deliver water from the water supply station to the washing machine. In the ground machine 10, in some embodiments, multiple water supply pipes 12 can be extended from one water adding station, so as to realize the effect that one water adding station can supply water to multiple washing machines 10 at the same time. The water pump 15 can pressurize the water flowing into the water supply pipe 12, so that the water pressure of the water entering the floor scrubber 10 is higher, and the cleaning effect of the floor scrubber 10 is better.

The present application also provides a floor washing machine 10, including a dirty water tank 17, a clean water tank 16 and a reversing device 21 (see FIG. 3). The fresh water tank 16 and the dirty water tank 17 are separately arranged. The clean water tank 16 is used to store the clean water used by the floor scrubber 10 in the process of cleaning the ground, and the dirty water tank 17 is used to recycle the sewage generated when the floor scrubber 10 cleans the ground. In some embodiments, the clean water tank 16 and the dirty water tank 17 are arranged one above the other to save the floor space occupied by the washing machine 10 . In this embodiment, the sewage tank 17 is arranged above the clean water tank 16 to facilitate the water supply system 11 to supply water to the clean water tank 16 .

In some embodiments, the washing machine 10 also includes a drain pipe 18 communicated with the sewage tank 17, and a valve 19 arranged on the drain pipe 18 for opening and closing the drain pipe 18. The sewage is discharged, and the valve 19 can be set to control the opening and closing of the drain pipe 18, so as to prevent the drain pipe 18 from discharging sewage in the process of cleaning the ground by the floor washing machine 10. In this embodiment, the drainage pipe 18 passes through the fresh water tank 16 from top to bottom and extends to the outside of the washing machine 10. Such arrangement can save the space of the washing machine 10 in the horizontal direction and reduce the size of the washing machine 10. The possibility of colliding with the drainpipe 18 in the process of cleaning the ground, and the sewage can be discharged by gravity, and the sewage residue is not easy to occur. In some embodiments, the water supply system 11 can also include a drain port (not shown) for discharging sewage. When the washing machine 10 is connected to the water supply system 11, the drain port can be set directly against the mouth of the drain pipe 18, so that In the discharge of waste water in the process of cleaning the waste water tank 17. In some embodiments, the washing machine 10 also includes a sewage tank cover 20, which is arranged on the top of the sewage tank 17. The sewage tank cover 20 is snapped to the sewage tank 17, and the detachable sewage tank cover 20 is provided. When the valve 19 appears When the situation that sewage such as damage, drainage pipe 18 blockages cannot be discharged, sewage tank cover 20 can be utilized to discharge sewage.

Fig. 3 is a sectional view along the A-A direction of the cleaning system 100 shown in Fig. 2; Fig. 4 is an enlarged view of a local area 200 of the washing machine 10 shown in Fig. 3 in the cleaning mode; Fig. 5 is a diagram 3 shows an enlarged view of a local area 200 of the washing machine 10 in the water adding mode. The scrubber 10 has a water adding mode and a cleaning mode. Referring to Figures 3 to 5, the reversing device 21 includes a water inlet 22, a first water outlet 23 and a second water outlet 24, the water inlet 22 is used to connect with the water supply system 11, and the water supply system 11 can be a washing machine 10 Water supply in water adding mode and cleaning mode. In this embodiment, the water inlet 22 communicates with the water supply pipe 12, the water supply pipe 12 includes a vertical section 13 and a horizontal section 14 connected to the vertical section 13, the height of the horizontal section 14 from the ground is equal to the height of the water inlet 22 to the ground , so that the floor washing machine 10 only needs translational movement to make the water supply pipe 12 dock with the reversing device 21 without complicated operations. The first water outlet 23 communicates with the dirty water tank 17 , the second water outlet 24 communicates with the clean water tank 16 , and the switching between the cleaning mode and the water adding mode is realized by switching the reversing device 21 . As shown in Figure 4, when the reversing device 21 is in the first position, the water inlet 22 communicates with the first water outlet 23, the washing machine 10 is in the cleaning mode, and the water flow from the water supply system 11 flows to the sewage tank 17, realizing the waste water tank 17 simple cleaning; as shown in Figure 5, when the reversing device 21 is in the second position, the water inlet 22 communicates with the second water outlet 24, the washing machine 10 is in the water adding mode, and the water flow from the water supply system 11 flows to the clean water tank 16. Realize the automatic water filling function of the clean water tank 16. Such setting can realize the automatic filling of the clean water tank 16 of the floor washing machine 10 and the simple cleaning of the dirty water tank 17 , which improves the automation of the floor washing machine 10 . In this embodiment, the reversing device 21 is a three-way electric ball valve. As a rotary regulating valve, it has the characteristics of tight closing, compact structure, and light weight, and can flexibly control the flow direction of the water flow in the pipeline.

In some embodiments, the sewage tank 17 includes a hollow cavity 25 and a nozzle 26 disposed in the hollow cavity 25. The nozzle 26 is provided with a water spray port 27 communicating with the first water outlet 23 and the hollow cavity 25, and the water spray port 27 faces the hollow cavity. 25 inside, that is, the nozzle 26 can be arranged below the hollow cavity 25. At this time, the nozzle 26 is set upward, and the water nozzle 27 is aimed at the inside of the hollow cavity 25. The nozzle 26 can also be arranged above the hollow cavity 25, and the nozzle 26 is downward at this time. Set, the water spray port 27 is aimed at the inside of the hollow cavity 25. The water pressure formed at the water spray port 27 diverges and sprays the water from the water supply system 11 into the hollow cavity 25, which can make the cleaning of the sewage tank 17 more thorough. In this embodiment, the nozzle 26 is a spherical nozzle 26, and the water nozzle 27 is hole-shaped, and the number is multiple, and is evenly arranged on the surface of the nozzle 26. The high-pressure water flow passes through the nozzle 27 to form a divergent water column and spray it to the sewage tank. 17. It is easier to clean the corners inside the hollow cavity 25 . In other embodiments, the nozzle 26 can also be a spiral nozzle, an automatic rotating nozzle, etc., which can pressurize the normal pressure water and form a water column, water curtain, etc. to clean the sewage tank 17 .

FIG. 6 is a perspective sectional view of the cleaning system 100 shown in FIG. 1 ; FIG. 7 is another perspective sectional view of the cleaning system 100 shown in FIG. 1 . 3 to 7, in some embodiments, the sewage tank 17 includes a nozzle water pipe 28 disposed in the hollow cavity 25, one end of the nozzle water pipe 28 is connected to the nozzle 26, and the nozzle water pipe 28 can be integrated with the nozzle 26 , to prevent the water pressure from causing the shower head 26 to fall off, it can also be connected to the shower head 26 in a detachable manner such as threads, so as to facilitate the replacement of the shower head 26. An accommodating portion 29 is formed between the dirty water tank 17 and the clean water tank 16, and the accommodating portion 29 can be recessed from the surface of the dirty water tank 17 near the clean water tank 16, or can be formed from the surface of the clean water tank 16 near the dirty water tank 17. Inwardly recessed, or both are recessed together. The reversing device 21 is arranged in the accommodating part 29 and is isolated from the dirty water tank 17 and the fresh water tank 16 to prevent damage to the reversing device 21 caused by water contact outside. The receiving portion 29 includes two opposite sides, one of which is provided with a first opening 30 through which the water supply pipe 12 of the water supply system 11 is connected to the water inlet 22; the other side is provided with a second opening 31 for the nozzle The other end of the water pipe 28 communicates with the first water outlet 23 through the second opening 31. By setting the first opening 30 and the second opening 31, the water supply pipe 12 and the nozzle water pipe 28 pass through the receiving part 29 and are arranged in the receiving part 29. The reversing device 21 is connected.

In some embodiments, the side wall of the accommodating portion 29 is protruded with a first connecting portion 32, which may protrude toward one side of the hollow cavity 25, or protrude toward the opposite direction of the hollow cavity 25. In this embodiment The washing machine 10 includes a transition portion 41, the transition portion 41 includes two ends communicating with each other, the side wall of the accommodation portion 29 protrudes toward the opposite direction of the hollow cavity 25, and a first connecting portion 32 is provided, and the first connecting portion 32 at least partially accommodates One end of the transition portion 41 prevents the water from the water supply pipe 12 from splashing into the receiving portion 29 , and the other end is at least partially accommodated in the first water outlet 23 . The second opening 31 is arranged on the first connecting part 32, and the nozzle water pipe 28 is at least partially accommodated in the first connecting part 32, so that the fixing effect of the nozzle water pipe 28 is better, it is not easy to be washed off by high-pressure water, and it can also prevent sewage to a certain extent The water in the tank 17 enters the receptacle 29 .

In some embodiments, it includes a second connection portion 33 protruding from the inner wall of the clean water tank 16, the second water outlet 24 is disposed opposite to the second connection portion 33, and the second connection portion 33 communicates with the second water outlet 24 and the clean water tank. 16. The second connecting portion 33 can be partially accommodated in the second water outlet 24, or one end of the reversing device 21 where the second water outlet 24 is set is partially accommodated in the second connecting portion 33, and the setting of the second connecting portion 33 can This prevents the water from the water supply pipe 12 from splashing into the accommodating portion 29 during the water delivery process from the second water outlet 24 to the clean water tank 16 . At the same time, setting the first connecting portion 32 and the second connecting portion 33 can also achieve the function of restricting the position of the reversing device 21 and ensure the accuracy of the connection between the washing machine 10 and the water supply system 11 .

In some embodiments, the floor scrubber 10 further includes a guide block 34, the guide block 34 abuts against the reversing device 21, and plays a guiding role. The guide block 34 includes a third opening 35 and a fourth opening 36 opposite to each other. The third opening 35 is far away from the reversing device 21 relative to the fourth opening 36, the third opening 35 is connected to the fourth opening 36, and the third opening 35 is larger than the fourth opening 36, that is, the guide block 34 can be trumpet-shaped or can be Other guiding shapes are not limited in this application. The fourth opening 36 is set corresponding to the water inlet 22 and communicated with the water inlet 22. The water inlet pipe passes through the third opening 35 of the guide block 34 and the fourth opening 36 of the guide block 34 It is connected with the water inlet 22 , and when the floor washing machine 10 travels to the position of the water supply system 11 , such setting can assist the alignment of the water supply pipe 12 and the water inlet 22 .

In some embodiments, the guide block 34 includes a connecting end 37 extending from the fourth opening 36 into the water inlet 22 and a transition surface 38 connecting the edges of the fourth opening 36 and the connecting end 37, and the connecting end extending into the water inlet 22 is provided. 37 can prevent the water sprayed from the water supply pipe 12 from splashing into the interior of the accommodating part 29 through the second opening 31. The washing machine 10 includes a sealing ring 39, which is fixedly arranged on the transition surface 38, and the water supply system 11 is against the Because of the sealing ring 39, during the water delivery process of the water supply pipe 12, the braking force of the washing machine 10 can be relied on to ensure that the water supply pipe 12 and the sealing ring 39 are tightly attached, thereby ensuring the tightness between the water supply pipe 12 and the washing machine 10 . In this embodiment, the sealing ring 39 is a sealing rubber ring with soft material and better sealing effect.

In some embodiments, a recessed portion 40 is recessed from the outer surface of the sewage tank 17 and/or the clean water tank 16, the guide block 34 is disposed on the recessed portion 40, and the inner surface of the recessed portion 40 is closely attached to the outer surface of the guide block 34 The recessed portion 40 is provided to facilitate the accommodation and positioning of the guide block 34, and prevent the position of the guide block 34 from changing due to movement caused by the impact force of the water flow.

In some embodiments, the scrubber 10 includes a controller (not shown) and a first sensor (not shown), the first sensor is arranged on the clean water tank 16, and the first sensor is used to detect the water level signal of the clean water tank 16 , the controller is electrically connected to the first sensor, and the controller is used to adjust and switch the working mode according to the water level signal of the clean water tank 16 . When the first sensor detects that the water level of the fresh water tank 16 is lower than the set value, the floor washing machine 10 travels to the position of the water supply system 11, so that the water supply pipe 12 is connected to the water inlet 22 and is in close contact with the sealing ring 39, and the controller will The washing machine 10 is switched to the water adding mode. At this time, the reversing device 21 is in the second position, the water inlet 22 is connected to the second water outlet 24, and the water pump 15 is started. The water flows from the water supply pipe 12 through the reversing device 21 and finally flows to clean water. Box 16 realizes the function of adding water to the clear water box 16 automatically.

In some embodiments, the washing machine 10 also includes a second sensor (not shown), the second sensor is arranged on the sewage tank 17, the second sensor is used to detect the water level signal of the sewage tank 17, the controller and the second sensor Electrically connected, the controller is used to control the valve 19 according to the water level signal of the sewage tank 17. When the second sensor detects that the water level of the waste water tank 17 is higher than the set value, the washing machine 10 travels to the position of the water supply system 11, so that the nozzle of the drain pipe 18 is facing the drain outlet, and the controller controls the valve 19 to drain the water. The pipe 18 is opened, and the sewage in the sewage tank 17 can be discharged out of the washing machine 10 along the drain pipe 18 .

After the sewage in the waste water tank 17 is discharged, the water supply pipe 12 is connected to the water inlet 22 and is in close contact with the sealing ring 39, and the floor washing machine 10 can be switched to the cleaning mode. At this time, the reversing device 21 is in the first position, and the water inlet 22 Connect with the first water outlet 23, start the water pump 15, the water flow flows through the reversing device 21 and the nozzle water pipe 28 from the water supply pipe 12, and is sprayed into the sewage tank 17 through the nozzle 26 connected with the nozzle water pipe 28, and the nozzle 26 is provided with At the water spray port 27, the water flow can form a divergent water column at the water spray port 27 to spray towards the hollow cavity 25 of the sewage tank 17, so as to realize the function of automatically cleaning the sewage tank 17. When the scrubber 10 is in the cleaning mode, the drain pipe 18 can be opened or closed, which is not limited in this application.

Other embodiments of the application will be readily apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any modification, use or adaptation of the application, these modifications, uses or adaptations follow the general principles of the application and include common knowledge or conventional technical means in the technical field not disclosed in the application . The specification and examples are to be considered exemplary only, with a true scope and spirit of the application indicated by the following claims.

It should be understood that the present application is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

A washing machine is characterized in that it comprises:

Sewage tank;

A clean water tank is set separately from the dirty water tank; and

a reversing device, including a water inlet, a first water outlet and a second water outlet,

The water inlet is used to connect with the water supply system,

The first water outlet communicates with the sewage tank,

The second water outlet communicates with the clean water tank,

When the reversing device is in the first position, the water inlet communicates with the first water outlet, and the floor washing machine is in the cleaning mode;

When the reversing device is in the second position, the water inlet communicates with the second water outlet, and the floor washing machine is in a water adding mode.
The washing machine according to claim 1, characterized in that,

The sewage tank includes a hollow cavity and a nozzle arranged in the hollow cavity,

The spray head is provided with a water spray port connecting the first water outlet and the hollow cavity,

The water spray port faces the inside of the hollow cavity.
The washing machine according to claim 2, characterized in that,

The sewage tank includes a nozzle water pipe arranged in the hollow cavity,

One end of the nozzle water pipe is connected to the nozzle;

An accommodating portion is formed between the dirty water tank and the clean water tank,

The reversing device is arranged in the accommodating part,

The accommodating portion includes two opposite sides, wherein

One side is provided with a first opening, and the water supply system is connected to the water inlet through the first opening;

The other side is provided with a second opening, and the other end of the nozzle water pipe communicates with the first water outlet through the second opening.
The washing machine according to claim 3, characterized in that,

The side wall of the accommodating portion protrudes from a first connecting portion,

The second opening is disposed on the first connecting portion,

The nozzle water pipe is at least partially accommodated in the first connecting portion.
The washing machine according to claim 1, characterized in that it comprises a guide block,

The guide block abuts against the reversing device,

The guide block includes opposite third openings and fourth openings,

The third opening is farther away from the reversing device than the fourth opening,

The third opening is connected to the fourth opening, and the third opening is larger than the fourth opening,

The fourth opening is arranged corresponding to the water inlet and communicated with the water inlet.
The washing machine according to claim 5, characterized in that,

The guide block includes a connecting end extending from the fourth opening into the water inlet and a transition surface connecting the edge of the fourth opening and the connecting end, and the floor scrubber includes a sealing ring, and the sealing ring fixedly arranged on the transition surface, the water supply system leans against the sealing ring; and/or

A recess is formed inwardly from the outer surface of the dirty water tank and/or the clean water tank, the guide block is disposed in the recess, and the inner surface of the recess is closely attached to the outer surface of the guide block.
The washing machine according to claim 1, characterized in that,

It includes a controller and a first sensor, the first sensor is arranged in the clean water tank, the first sensor is used to detect the water level signal of the clean water tank, the controller is electrically connected to the first sensor, The controller is used to adjust and switch working modes according to the water level signal of the clean water tank; and/or

It includes a drainage pipe communicated with the sewage tank, a valve arranged on the drainage pipe for opening and closing the drainage pipe, a controller and a second sensor, the second sensor is arranged on the sewage tank, and the first The second sensor is used to detect the water level signal of the sewage tank, the controller is electrically connected to the second sensor, and the controller is used to control the valve according to the water level signal of the sewage tank.
The washing machine according to claim 1, characterized in that,

It includes a second connection part protruding from the inner wall of the clean water tank, the second water outlet is arranged facing the second connection part, and the second connection part communicates with the second water outlet and the clean water tank ;and / or

The clean water tank and the dirty water tank are arranged up and down; and/or

It also includes a sewage tank cover, which is arranged on the top of the sewage tank, and the sewage tank cover is fastened to the sewage tank.
A cleaning system, characterized by comprising the floor washing machine according to any one of claims 1 to 8 and a water supply system connected to the floor washing machine, the water supply system being connected to the water inlet.
The cleaning system according to claim 9, wherein the water supply system comprises a water supply station and a water supply pipe connected to the water supply station, and the water supply pipe communicates with the water inlet.