CN114145676A

CN114145676A - Water tank and cleaning machines people basic station

Info

Publication number: CN114145676A
Application number: CN202111618008.0A
Authority: CN
Inventors: 李健; 武朝阳; 刘宇莹; 李成开; 冯煜湛; 雒千
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-08

Abstract

The invention relates to the technical field of cleaning robots, in particular to a water tank and a cleaning robot base station, wherein the water tank comprises: a tank body having a water filling port; the baffle is movably arranged in the box body, and the box body is divided into a water purification cavity and a sewage cavity by the baffle. This water tank is through setting up a baffle in the box to make the movably setting of baffle, compare with prior art, can make the water tank volume halve under the prerequisite that satisfies the total amount requirement of water purification and sewage, space utilization is high, thereby can reduce the volume of cleaning machines people basic station.

Description

Water tank and cleaning machines people basic station

Technical Field

The invention relates to the technical field of cleaning robots, in particular to a water tank and a cleaning robot base station.

Background

The current cleaning robot is mainly of three types. The sweeping and mopping integrated robot has the advantages of being capable of sweeping and mopping the floor, only having a sweeping machine with a pure sucking and sweeping function and being capable of mopping the floor. Wherein the mopping machine needs to be equipped with a base station that can clean the cleaning assembly on the mopping robot. The base station has sewage case and water purification case, and for solving the frequent moisturizing problem of user, two kinds of water tank volumes all set up great for the base station volume can't be done for a short time, and the heaviness just occupies indoor space, and is with high costs.

Disclosure of Invention

Therefore, the present invention is directed to overcome the problem of the prior art that the base station of the cleaning robot has a large volume due to the large volumes of the foul water tank and the clean water tank, and to provide a water tank and the base station of the cleaning robot which are capable of reducing the volume.

In order to solve the above technical problem, the present invention provides a water tank, including: a tank body having a water filling port; the baffle is movably arranged in the box body, and the box body is divided into a water purification cavity and a sewage cavity by the baffle.

Optionally, the baffle includes the main part and is located the first stiff end of main part both sides and being located the second stiff end of main part bottom, two first stiff end difference fixed connection be in on the lateral wall of box, second stiff end fixed connection be in on the diapire of box, the main part is made by elastic material.

Optionally, the two opposite side walls of the box body are respectively and fixedly connected with a first fixing plate, a plurality of first grooves are arranged on the first fixing plate and the face opposite to the side wall connected with the first fixing plate at intervals, and the first fixing end comprises a plurality of first bulges matched with the first grooves.

Optionally, the cross section of the first groove is a dovetail groove, and correspondingly, the first protrusion is a dovetail tooth.

Optionally, first fixed plate including be suitable for with the first plane of lateral wall butt, be equipped with first mounting groove on the first fixed plate, first recess is established in the first mounting groove, first stiff end includes first platelike piece, keeping away from of first platelike piece the side of main part is the second plane, first arch is established on the first platelike piece, first protruding embedding behind the first recess, the second plane with first plane parallel and level.

Optionally, fixedly connected with second fixed plate on the diapire of box, two first fixed plate presses respectively the both ends of second fixed plate, the orientation of second fixed plate the interval is provided with a plurality of second recesses on the face of diapire, the second stiff end include a plurality of with the second of second recess looks adaptation is protruding.

Optionally, the second groove is a dovetail groove, and correspondingly, the second protrusion is a dovetail tooth.

Optionally, the second fixed plate includes be suitable for with the third plane of diapire butt, be equipped with the second mounting groove on the second fixed plate, the second recess is established in the second mounting groove, the second stiff end includes second platelike piece, keeping away from of second platelike piece the side of main part is the fourth plane, the second arch is established on the second platelike piece, the protruding embedding of second behind the second recess, the fourth plane with the third plane parallel and level.

The invention also provides a cleaning robot base station which comprises a shell, a cleaning mechanism arranged in the shell and the water tank, wherein the cleaning mechanism is provided with a water inlet and a water outlet, the water inlet is communicated with the water purification cavity through a water inlet pipeline, and the water outlet is communicated with the sewage cavity through a water outlet pipeline.

Optionally, be equipped with first baffle in the casing, first baffle will the casing is separated into upper space and lower floor's space, the water tank is established in the upper space, wiper mechanism is located in the space of lower floor.

Optionally, a first interlayer space is formed between the box body and the rear side wall of the housing, and the water inlet pipeline includes:

the first water pump is arranged on the first partition plate and is positioned in the first interlayer space;

one end of the water pumping pipe is communicated with the purified water cavity, and the other end of the water pumping pipe is connected with the water inlet end of the first water pump;

the water outlet pipe penetrates through the first partition plate, one end of the water outlet pipe is connected with the water outlet end of the first water pump, and the other end of the water outlet pipe is connected with the water inlet;

and/or, the drain line comprises:

the second water pump is arranged on the first partition plate and is positioned in the first interlayer space;

one end of the recovery pipe is connected with the water outlet, the other end of the recovery pipe is connected with the water inlet end of the second water pump, and the recovery pipe penetrates through the first partition plate;

and one end of the water discharge pipe is connected with the water outlet end of the second water pump, and the other end of the water discharge pipe is communicated with the sewage cavity.

Optionally, a first bearing plate is arranged in the lower-layer space in a liftable manner, and the cleaning mechanism is arranged on the first bearing plate.

Optionally, a second bearing plate is further arranged in the lower-layer space, the second bearing plate is located below the first bearing plate, a dust suction opening is formed in the second bearing plate, a dust collecting structure and a fan are further arranged in the upper-layer space, the dust collecting structure is provided with a dust collecting cavity, the dust collecting cavity is connected with the dust suction opening through an air duct structure, and an air inlet of the fan is communicated with the dust collecting cavity.

The technical scheme of the invention has the following advantages:

according to the water tank provided by the invention, when a user fills liquid into the water purifying cavity through the water filling port, the baffle plate moves towards the sewage cavity under the action of liquid potential energy along with the increase of the liquid in the water purifying cavity, and the water purifying cavity is increased continuously; when this water tank is used in cleaning machines people basic station, for example when utilizing the water purification in the water purification chamber to wash the mop of mopping machine, the water purification in the water purification chamber is constantly consumed, and the sewage that the cleaning process produced constantly is pumped and is replenished in the sewage chamber, and the baffle removes to the water purification chamber gradually, and the sewage chamber constantly increases. Therefore, this water tank is through setting up a baffle in the box to make the movably setting of baffle, compare with prior art, can make the water tank volume halve under the prerequisite that satisfies the total amount requirement of water purification and sewage, space utilization is high, thereby can reduce the volume of cleaning machines people basic station.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a water tank provided in embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view at C of FIG. 2;

FIG. 4 is a schematic structural view of the baffle of FIG. 2;

FIG. 5 is an enlarged view at A of FIG. 4;

FIG. 6 is an enlarged view at B of FIG. 4;

FIG. 7 is a top cross-sectional view of FIG. 1;

FIG. 8 is an enlarged view of FIG. 7 at D;

FIG. 9 is a schematic structural view of the first fixing plate;

FIG. 10 is an enlarged view of E of FIG. 9;

fig. 11 is a front view of a cleaning robot base station provided in embodiment 2 of the present invention;

fig. 12 is a front sectional view of a cleaning robot base station provided in embodiment 2 of the present invention;

fig. 13 is a rear perspective view of a cleaning robot base station provided in embodiment 2 of the present invention;

fig. 14 is a top view of a cleaning robot base station provided in embodiment 2 of the present invention.

Description of reference numerals:

1. a box body; 101. a water injection port; 2. a baffle plate; 201. a main body; 202. a first fixed end; 2021. a first protrusion; 2022. a first plate-like member; 20221. a second plane; 203. a second fixed end; 2031. a second protrusion; 2032. a second plate-like member; 20321. a fourth plane; 3. a water purifying cavity; 4. a sewage chamber; 5. a first fixing plate; 501. a first groove; 502. a first plane; 6. a second fixing plate; 7. a housing; 701. a body portion; 702. a cover body; 8. a first separator; 9. a first water pump; 10. a water pumping pipe; 11. a water outlet pipe; 12. a second water pump; 13. a recovery pipe; 14. a drain pipe; 15. a first bearing plate; 16. a second carrier plate; 17. a dust suction port; 18. a dust collecting structure; 19. a fan; 20. an air duct structure; 2001. a first air duct; 2002. a second air duct; 21. a second separator; 22. a charging terminal; 23. and (5) cleaning the mechanism.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

For this reason, the present embodiment provides a water tank, when the water tank is applied to a cleaning robot base station, the volume of the water tank can be reduced compared to the prior art, so that the volume of the cleaning robot base station can be reduced.

In one embodiment, as shown in fig. 1 to 10, the tank includes a tank body 1 and a baffle plate 2 movably provided in the tank body 1, the tank body 1 having a water filling port 101, the baffle plate 2 dividing the tank body 1 into a purified water chamber 3 and a foul water chamber 4, the purified water chamber 3 having a water outlet, and the foul water chamber 4 having a water returning port.

In the embodiment, when a user fills liquid into the water purifying cavity 3 through the water filling port 101, the baffle plate 2 moves towards the sewage cavity 4 under the action of liquid potential energy as the liquid in the water purifying cavity 3 increases, and the water purifying cavity 3 increases; when the water tank is used in a base station of a cleaning robot, for example, when the mop of a mopping machine is cleaned by using the purified water in the purified water chamber 3, the purified water in the purified water chamber 3 is continuously consumed, the sewage generated in the cleaning process is continuously sucked and supplemented into the sewage chamber 4, the baffle 2 gradually moves towards the purified water chamber 3, and the sewage chamber 4 is continuously enlarged. Consequently, this water tank is through setting up a baffle 2 in box 1 to make the movably setting of baffle 2, compare with prior art, can make 1 volume of water tank halve under the prerequisite that satisfies the total amount requirement of water purification and sewage, space utilization is high, thereby can reduce the volume of cleaning machines people basic station.

As shown in fig. 1, the top end of the tank 1 has a water inlet 101, and water can be injected into the tank 1 through the water inlet 101 or water in the tank 1 can be extracted.

On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 4, the baffle 2 includes a main body 201, first fixing ends 202 located at both sides of the main body 201, and second fixing ends 203 located at the bottom of the main body 201, the two first fixing ends 202 are respectively fixedly connected to the side walls of the box body 1, the second fixing ends 203 are fixedly connected to the bottom wall of the box body 1, and the main body 201 is made of an elastic material. In this embodiment, since both sides and the bottom of the main body 201 are fixed and the main body 201 is made of elastic material, when a user fills liquid into the purified water chamber 3 through the water filling opening 101, the main body 201 deforms and moves towards the sewage chamber 4 under the action of liquid potential energy as the liquid in the purified water chamber 3 increases, and the purified water chamber 3 increases; when the water tank is applied to a cleaning robot base station, for example, when the mop of the mopping machine is cleaned by using the clean water in the clean water cavity 3, the clean water in the clean water cavity 3 is continuously consumed, the sewage generated in the cleaning process is continuously sucked and supplemented into the sewage cavity 4, the main body 201 gradually deforms and moves towards the clean water cavity 3 under the action of liquid potential energy, and the sewage cavity 4 is continuously enlarged. In this embodiment, the main body 201 is automatically deformed and moved by the potential energy of water without providing an additional driving mechanism, and the structure is simple. In an alternative embodiment, a drive mechanism may be provided, connected to the baffle 2, to drive the baffle 2 towards the clean water chamber 3 or the foul water chamber 4.

The material of the main body 201 is a malleable material, such as rubber, silicon gel, etc.

On the basis of the above embodiments, in a preferred embodiment, two opposite side walls of the box body 1 are fixedly connected with the first fixing plate 5, respectively, a plurality of first grooves 501 are arranged on the surface of the first fixing plate 5 opposite to the side wall connected with the first fixing plate 5 at intervals, as shown in fig. 5, the first fixing end 202 includes a plurality of first protrusions 2021 matched with the first grooves 501. In this embodiment, the first fixing plates 5 are respectively and fixedly connected to the two opposite side walls of the box body 1, and the first fixing ends 202 and the first fixing plates 5 are fixedly connected in a manner of matching the first protrusions 2021 with the second grooves, so that the fixing manner of the baffle plate 2 is simple and convenient, and the assembling process is easy to operate. In other alternative embodiments, the first fixing end 202 may be directly fixedly connected with the side wall of the case 1.

In a preferred embodiment, as shown in fig. 8, two symmetrically-arranged first fixing plates 5 may be connected to each side wall, a gap adapted to pass the main body 201 is formed between the two first fixing plates 5, and the main body 201 is clamped between the two first fixing plates 5. In this embodiment, both sides of the baffle 2 can be stably fixed to the side walls of the case 1.

The first fixing plate 5 may be screwed or clamped to the sidewall of the box 1.

On the basis of the above embodiments, in a preferred embodiment, the cross section of the first groove 501 is a dovetail groove, and correspondingly, the first protrusion 2021 is a dovetail tooth. In this embodiment, it is ensured that the first protrusion 2021 does not come out of the first groove 501, thereby ensuring that both sides of the barrier 2 are stably fixed to the side walls of the cabinet 1.

In addition to the above embodiments, in a preferred embodiment, as shown in fig. 10, the first fixing plate 5 includes a first plane 502 adapted to abut against the side wall, a first mounting groove is provided on the first fixing plate 5, the first groove 501 is provided in the first mounting groove, the first fixing end 202 includes a first plate-like member 2022, a side surface of the first plate-like member 2022 away from the main body 201 is a second plane 20221, the first protrusion 2021 is provided on the first plate-like member 2022, and after the first protrusion 2021 is inserted into the first groove 501, the second plane 20221 is flush with the first plane 502. In this embodiment, after the assembly is completed, the first fixing end 202 is attached to the side wall of the housing 1, so as to ensure that no water enters between the two, realize a sealed connection, and prevent the mixing of purified water and sewage.

On the basis of the above embodiments, in a preferred embodiment, the bottom wall of the box body 1 is fixedly connected with the second fixing plate 6, the two first fixing plates 5 are respectively pressed at two ends of the second fixing plate 6, a plurality of second grooves are arranged on the surface of the second fixing plate 6 facing the bottom wall at intervals, as shown in fig. 3 and 6, the second fixing end 203 includes a plurality of second protrusions 2031 matched with the second grooves. In this embodiment, the first fixing plate 5 can press the second fixing plate 6 on the bottom wall of the box body 1, so as to fix the second fixing plate 6 on the bottom wall of the box body 1, and the second fixing plate 6 and the second fixing end 203 are fixedly connected in a mode of matching the second groove and the second protrusion 2031, so that the fixing mode of the baffle plate 2 is simple and convenient, and the assembling process is easy to operate. In other alternative embodiments, the second fixing end 203 may be directly fixedly connected with the bottom wall of the case 1.

In addition to the above embodiments, in a preferred embodiment, the second groove is a dovetail groove, and correspondingly, the second protrusion 2031 is a dovetail tooth. In this embodiment, it is ensured that the second protrusion 2031 does not come out of the second groove, thereby ensuring that the bottom of the baffle 2 is stably fixed to the bottom wall of the case 1.

In addition to the above embodiments, in a preferred embodiment, the second fixing plate 6 includes a third plane adapted to abut against the bottom wall, a second mounting groove is formed on the second fixing plate 6, a second groove is formed in the second mounting groove, the second fixing end 203 includes a second plate 2032, a side of the second plate 2032 away from the main body 201 is a fourth plane 20321, the second protrusion 2031 is formed on the second plate 2032, and after the second protrusion 2031 is inserted into the second groove, the fourth plane 20321 is flush with the third plane. In this embodiment, after the assembly, the second fixing end 203 is attached to the bottom wall of the box body 1, so as to prevent water from entering between the two, realize the sealing connection, and prevent the mixing of purified water and sewage.

Example 2

The embodiment provides a cleaning robot base station, as shown in fig. 11 to 14, comprising a housing 7, a cleaning mechanism 23 disposed in the housing 7 and the water tank provided in the above embodiment, wherein the cleaning mechanism 23 has a water inlet and a water outlet, the water inlet is communicated with the clean water chamber 3 through a water inlet pipeline, and the water outlet is communicated with the sewage chamber 4 through a water outlet pipeline. In the embodiment, a user fills liquid into the water purifying cavity 3 through the water filling port 101, and as the liquid in the water purifying cavity 3 increases, the baffle plate 2 moves towards the sewage cavity 4 under the action of liquid potential energy, and the water purifying cavity 3 increases; when the mop of the mopping machine is cleaned by using the purified water in the purified water cavity 3, the purified water in the purified water cavity 3 is continuously conveyed to the cleaning mechanism 23 through the water inlet pipeline to be consumed, the sewage generated in the cleaning process is continuously sucked by the drainage pipeline and is supplemented into the sewage cavity 4, the baffle 2 gradually moves towards the purified water cavity 3, and the sewage cavity 4 is continuously enlarged. Therefore, compared with the prior art, the volume of the water tank body 1 is halved on the premise of meeting the total amount requirements of purified water and sewage, the space utilization rate is high, and the volume of the cleaning robot base station can be reduced.

As shown in fig. 11, the housing 7 includes a main body 701 and a cover 702 provided at a top end of the main body 701, the cover 702 is provided on the main body 701 so as to be openable and closable, and when the cover 702 is opened, the dust collecting structure 18 can be cleaned, water can be filled into the water tank, or water in the water tank can be pumped out.

In addition to the above embodiments, in a preferred embodiment, as shown in fig. 12, a first partition plate 8 is provided in the casing 7, the casing 7 is partitioned into an upper space and a lower space by the first partition plate 8, the water tank is provided in the upper space, and the cleaning mechanism 23 is located in the lower space. In this embodiment, the space in the height direction can be fully utilized, thereby reducing the occupied space of the cleaning robot base station in the horizontal direction.

As shown in fig. 12, in order to facilitate charging of the cleaning robot, charging terminals 22 are provided on the bottom wall and the side wall of the lower space.

On the basis of the above embodiment, in a preferred embodiment, a first interlayer space is formed between the tank 1 and the rear side wall of the housing 7, the water inlet pipeline includes a first water pump 9, a water pumping pipe 10 and a water outlet pipe 11, the first water pump 9 is arranged on the first partition plate 8 and located in the first interlayer space, one end of the water pumping pipe 10 is communicated with the purified water cavity 3, the other end of the water pumping pipe is connected with the water inlet end of the first water pump 9, the water outlet pipe 11 penetrates through the first partition plate 8, one end of the water outlet pipe 11 is connected with the water outlet end of the first water pump 9, and the other end of the water outlet pipe 11 is connected with the water inlet; and/or the drainage pipeline comprises a second water pump 12, a recovery pipe 13 and a drainage pipe 14, the second water pump 12 is arranged on the first partition plate 8 and is positioned in the first interlayer space, one end of the recovery pipe 13 is connected with the drainage outlet, the other end of the recovery pipe is connected with the water inlet end of the second water pump 12, the recovery pipe 13 penetrates through the first partition plate 8, one end of the drainage pipe 14 is connected with the water outlet end of the second water pump 12, and the other end of the drainage pipe is communicated with the sewage cavity 4. In this embodiment, when a cleaning module of the cleaning robot, such as a mop, is to be cleaned, the first water pump 9 is operated to supply clean water to the cleaning mechanism 23 by pumping water from the clean water chamber 3 through the pumping pipe 10 and the outlet pipe 11, and sewage generated during cleaning is discharged to the sewage chamber 4 through the recovery pipe 13 and the outlet pipe 14 when the second water pump 12 is operated.

In addition to the above-described embodiments, in a preferred embodiment, the first carrying plate 15 is provided in the lower space so as to be movable up and down, and the cleaning mechanism 23 is provided on the first carrying plate 15. In this embodiment, the first loading plate 15 is provided to be liftable, so that the space in the height direction can be fully utilized, and after the first loading plate 15 is lifted, the space below the first loading plate 15 can be used for charging other cleaning robots or collecting dust.

On the basis of the above embodiment, in a preferred embodiment, the lower space is further provided with a second bearing plate 16, the second bearing plate 16 is located below the first bearing plate 15, the second bearing plate 16 is provided with a dust suction port 17, the upper space is further provided with a dust collection structure 18 and a fan 19, the dust collection structure 18 is provided with a dust collection cavity, the dust collection cavity is connected with the dust suction port 17 through an air duct structure 20, and an air inlet of the fan 19 is communicated with the dust collection cavity. In this embodiment, when the garbage in the dust box of the cleaning robot needs to be sucked, the cleaning robot is parked on the first loading plate 15, and the dust outlet of the cleaning robot is butted with the dust suction outlet 17 of the first loading plate 15, and the fan 19 is operated to suck the garbage in the dust box of the cleaning robot into the dust collection structure 18 through the air duct structure 20. Therefore, the base station of the cleaning robot can meet the requirements of a user on dust collection and water washing cleaning functions, and the cleaning robot can accommodate at least two cleaning robots at the same time and only needs one base station to be capable of serving a plurality of cleaning robots.

As shown in fig. 12, the first loading plate 15 is disposed obliquely, a second interlayer space is formed between the bottom surface of the first loading plate 15 and the housing 7, a second partition plate 21 is disposed in the housing 7, a third interlayer space is formed between the second partition plate 21 and the side wall of the housing 7, the first loading plate 15 and the second loading plate 16 are both connected to the second partition plate 21, and the air duct structure 20 includes a first air duct 2001 disposed in the second interlayer space and a second air duct 2002 disposed in the third interlayer space. In this embodiment, the first loading plate 15 is disposed in an inclined manner, and the second interlayer space is formed between the bottom surface of the first loading plate and the housing 7, so that the cleaning robot can conveniently move up to the first loading plate 15, the second partition plate 21 is disposed, the second interlayer space is formed between the second partition plate 21 and the side wall of the housing 7, and the first air duct 2001 and the second air duct 2002 are respectively hidden in the second interlayer space and the third interlayer space.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A water tank, comprising:

a tank body (1), wherein the tank body (1) is provided with a water filling port (101);

the baffle (2) is movably arranged in the box body (1), and the baffle (2) divides the box body (1) into a water purification cavity (3) and a sewage cavity (4).

2. The water tank as claimed in claim 1, wherein the baffle (2) comprises a main body (201) and first fixing ends (202) located at two sides of the main body (201) and a second fixing end (203) located at the bottom of the main body (201), the two first fixing ends (202) are respectively and fixedly connected to the side wall of the tank body (1), the second fixing end (203) is fixedly connected to the bottom wall of the tank body (1), and the main body (201) is made of an elastic material.

3. The water tank as claimed in claim 2, wherein a first fixing plate (5) is fixedly connected to each of two opposite side walls of the tank body (1), a plurality of first grooves (501) are formed in the first fixing plate (5) and the surface opposite to the side wall connected with the first fixing plate at intervals, and the first fixing end (202) comprises a plurality of first protrusions (2021) matched with the first grooves (501).

4. A water tank according to claim 3, characterized in that the cross section of the first groove (501) is a dovetail groove, and correspondingly, the first protrusion (2021) is a dovetail tooth.

5. A water tank according to claim 3, characterized in that the first fixing plate (5) comprises a first plane (502) adapted to abut against the side wall, a first mounting groove is provided on the first fixing plate (5), the first groove (501) is provided in the first mounting groove, the first fixing end (202) comprises a first plate-like member (2022), the side of the first plate-like member (2022) far from the main body (201) is a second plane (20221), the first protrusion (2021) is provided on the first plate-like member (2022), and after the first protrusion (2021) is inserted into the first groove (501), the second plane (20221) is flush with the first plane (502).

6. The water tank as claimed in claim 3, wherein a second fixing plate (6) is fixedly connected to the bottom wall of the tank body (1), the two first fixing plates (5) are respectively pressed at two ends of the second fixing plate (6), a plurality of second grooves are arranged on the surface of the second fixing plate (6) facing the bottom wall at intervals, and the second fixing end (203) comprises a plurality of second protrusions (2031) matched with the second grooves.

7. The water tank according to claim 6, characterized in that the second groove is a dovetail groove, and correspondingly, the second protrusion (2031) is a dovetail tooth.

8. A water tank according to claim 6, wherein the second fixing plate (6) comprises a third plane adapted to abut against the bottom wall, a second mounting groove is provided on the second fixing plate (6), a second groove is provided in the second mounting groove, the second fixing end (203) comprises a second plate-like member (2032), a side of the second plate-like member (2032) far away from the main body (201) is a fourth plane (20321), the second protrusion (2031) is provided on the second plate-like member (2032), and after the second protrusion (2031) is embedded in the second groove, the fourth plane (20321) is flush with the third plane.

9. A cleaning robot base station, characterized in that it comprises a housing (7), a washing means (23) provided in said housing (7) and a tank according to any of claims 1-8, said washing means (23) having an inlet opening communicating with said clean water chamber (3) through an inlet line and an outlet opening communicating with said dirty water chamber (4) through an outlet line.

10. Base station of a cleaning robot according to claim 9, characterized in that a first partition (8) is arranged in the housing (7), which first partition (8) divides the housing (7) into an upper space in which the water tank is arranged and a lower space in which the washing means (23) is located.

11. The cleaning robot base station according to claim 10, characterized in that a first interlayer space is formed between the tank (1) and a rear sidewall of the housing (7), and the water inlet line comprises:

the first water pump (9) is arranged on the first partition plate (8) and is positioned in the first interlayer space;

one end of the water pumping pipe (10) is communicated with the purified water cavity (3), and the other end of the water pumping pipe is connected with the water inlet end of the first water pump (9);

the water outlet pipe (11) penetrates through the first partition plate (8), one end of the water outlet pipe (11) is connected with the water outlet end of the first water pump (9), and the other end of the water outlet pipe is connected with the water inlet;

and/or, the drain line comprises:

the second water pump (12) is arranged on the first partition plate (8) and is positioned in the first interlayer space;

one end of the recovery pipe (13) is connected with the water outlet, the other end of the recovery pipe is connected with the water inlet end of the second water pump (12), and the recovery pipe (13) penetrates through the first partition plate (8);

and one end of the drain pipe (14) is connected with the water outlet end of the second water pump (12), and the other end of the drain pipe is communicated with the sewage cavity (4).

12. The base station of claim 10, wherein a first carrying floor (15) is arranged in the lower space in a liftable manner, and the washing means (23) is arranged on the first carrying floor (15).

13. The base station of claim 12, wherein a second carrying plate (16) is further disposed in the lower space, the second carrying plate (16) is located below the first carrying plate (15), a dust suction opening (17) is disposed on the second carrying plate (16), a dust collecting structure (18) and a fan (19) are further disposed in the upper space, the dust collecting structure (18) has a dust collecting cavity, the dust collecting cavity is connected to the dust suction opening (17) through an air duct structure (20), and an air inlet of the fan (19) is communicated with the dust collecting cavity.