CN217222865U - Water tank structure and cleaning robot - Google Patents

Abstract

The application provides a water tank structure and cleaning machines people. The water tank structure comprises a water tank main body, an air pump structure and an internal water pipe; the water tank main body is provided with a liquid accommodating cavity, and a water inlet, a water outlet and an air inlet which are respectively communicated with the liquid accommodating cavity; the air pump structure is arranged on the water tank main body, and an air outlet of the air pump structure is communicated with the air inlet; the inner water pipe is arranged in the liquid accommodating cavity, one pipe orifice of the inner water pipe is communicated with the water inlet, the other pipe orifice of the inner water pipe is communicated with the water outlet, and liquid in the liquid accommodating cavity is guided to the water outlet from the water inlet and then guided out of the liquid accommodating cavity; and part of the water pipes between the two ends of the internal water pipe are provided with a first height, the height of the water inlet and the height of the water outlet are both lower than the first height, and the part of the water pipes are used for preventing the internal water pipe from guiding the liquid when the air pump structure stops working and the liquid level in the liquid containing cavity is lower than the first height.

Description

Water tank structure and cleaning machines people

Technical Field

The application belongs to the technical field of cleaning equipment, and more specifically relates to a water tank structure and cleaning machines people.

Background

The cleaning robot is provided with a water tank structure, generally an electric control water tank, inside for providing clean water to the cleaning member of the cleaning robot to wet the cleaning member.

In the prior art, when the water tank structure is in an operating state, an air pump is generally used to introduce air to change the water pressure inside the water tank, so as to realize water discharge from the water tank. In the process of standing or filling water in the water tank structure, the air pump needs to be in direct contact with air, so that water in the water tank structure can leak due to the air entering the air pump, and water leakage of the water tank structure or water leakage of the water tank structure in the water filling process is caused.

Disclosure of Invention

An object of the embodiment of the application is to provide a water tank structure and cleaning machines people to solve the technical problem that the water tank structure of current cleaning machines people easily leaks when stewing or adorning water.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

providing a water tank structure, wherein the water tank structure comprises a water tank main body, an air pump structure and an internal water pipe;

the water tank main body is provided with a liquid accommodating cavity, and a water inlet, a water outlet and an air inlet which are respectively communicated with the liquid accommodating cavity; the air pump structure is arranged on the water tank main body, and an air outlet of the air pump structure is communicated with the air inlet; the inner water pipe is arranged inside the liquid accommodating cavity, one pipe orifice of the inner water pipe is communicated with the water inlet, the other pipe orifice of the inner water pipe is communicated with the water outlet, and liquid in the liquid accommodating cavity is guided to the water outlet from the water inlet so as to be guided out of the liquid accommodating cavity;

and a part of water pipes between the two ends of the inner water pipe are provided with a first height, the height of the water inlet 10a and the height of the water outlet 10b are both lower than the first height, and the part of water pipes are used for preventing the inner water pipe from guiding liquid when the air pump structure stops working and the liquid level in the liquid accommodating cavity is lower than the first height.

In one embodiment, the height of the air inlet is lower than that of the water inlet, the height of the water inlet is lower than that of the water outlet, the height of the pipe orifice of the inner water pipe is consistent with that of the water inlet, and the height of the other pipe orifice of the inner water pipe is consistent with that of the water outlet.

In one embodiment, the portion of the inner water tube having the first height is adjacent to or connected to the top wall of the tank body.

In one embodiment, the water tank main body is provided with a top wall and a bottom wall which are oppositely arranged along the vertical direction, and a first side wall and a second side wall which are oppositely arranged along the horizontal direction;

wherein, the water inlet closes on first lateral wall with the diapire, the delivery port closes on the second lateral wall, the air inlet is located the water inlet with middle zone between the delivery port, the air inlet closes on the diapire, have on the inside water pipe the partial water pipe of first height closes on or connect in the roof.

In one embodiment, the portion of the water pipe having the first height on the inner water pipe is a first portion of the water pipe; the part of the water pipe on the internal water pipe, which is close to and communicated with the water inlet, is a second part of water pipe, and the second part of water pipe is close to the first side wall; a part of water pipes on the internal water pipe, which are close to and communicated with the water outlet, are third part water pipes, and the third part water pipes are close to the second side wall;

the second part of water pipe and the third part of water pipe are used for preventing the inner water pipe from guiding liquid when the water tank structure is switched from horizontal placement to vertical placement.

In one embodiment, the top wall is a concave structural wall, the top wall includes a first wall surface, a second wall surface and a third wall surface which are connected in sequence, the height of the first wall surface is higher than the first height, the height of the second wall surface is lower than the first height, and the height of the third wall surface is between the height of the first wall surface and the height of the second wall surface;

the first portion of water piping is adjacent to or connected to the first wall surface and the third portion of water piping is adjacent to or connected to the third wall surface.

In an embodiment, the water tank structure further includes an internal air pipe, a connection port is formed on the second wall surface or the third wall surface, one pipe orifice of the internal air pipe is communicated with the connection port, and the other pipe orifice of the internal air pipe is the air inlet;

the air pump structure is arranged on the outer side of the second wall surface, and an air outlet of the air pump structure is communicated with the connecting port.

In an embodiment, the third wall surface is provided with an irrigation port and a connection port, the irrigation port is used for providing a duty channel for the liquid accommodating cavity, the connection port is communicated with the air inlet, and the connection port is communicated with the air outlet of the air pump structure.

In one embodiment, the inner water tube is a rigid water tube.

The application provides a water tank structure's beneficial effect lies in:

compared with the prior art, the water tank structure that this application provided, the liquid holding intracavity portion of water tank main part is equipped with inside water pipe, and a mouth of pipe and the water inlet intercommunication of inside water pipe, another mouth of pipe and the delivery port intercommunication of inside water pipe, at air pump structure during operation, inside water pipe supplies to be in by water inlet water conservancy diversion to delivery port with the liquid of liquid holding intracavity, and then derives liquid holding chamber with this liquid. And, part of water pipe between inside water pipe both ends has the first height, and the height at water inlet place and delivery port place all is less than this first height, at air pump structure stop work, and when the liquid level that the intracavity was acceptd to liquid was less than the first height, the cutout then appears in the liquid in this part of water pipe, can prevent the water conservancy diversion of inside water pipe to liquid through this part of water pipe that is in on the first height, and then when air pump structure stop work, prevent the circulation between water inlet and the delivery port, and then avoided the water tank structure in the state of stewing or adorning the leakage of water in-process.

It is also an object of the present application to provide a cleaning robot including the water tank structure as described above.

The cleaning machines people that this application provided compares in prior art's beneficial effect, compares in prior art the same with the water tank structure that this application provided beneficial effect, and this is no longer repeated here.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of a water tank structure in a horizontal position according to an embodiment of the present disclosure;

fig. 2 is a schematic view of a water tank structure provided by an embodiment of the present application in a vertical placement state;

fig. 3 is a schematic view of a water tank structure provided by an embodiment of the present application in a vertical placement state.

Wherein, in the figures, the various reference numbers:

10. a water tank main body; 20. an air pump structure;

101. a liquid accommodating chamber; 102. an internal water tube; 103. an inner air tube;

10a, a water inlet; 10b, a water outlet; 10c, an air inlet; 10d, liquid level;

101a, a top wall; 101b, a bottom wall; 101c, a first sidewall; 101d, a second sidewall;

102a, a first partial water pipe; 102b, a second part water pipe; 102c, a third part of water pipe;

a. a first wall surface; b. a second wall surface; c. a third wall surface; d. a connection port; e. and a water filling port.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Now, a water tank structure and a cleaning robot provided in the embodiment of the present application will be described.

Referring to fig. 1, a water tank structure according to an embodiment of the present invention includes a water tank body 10, an air pump structure 20, and an internal water pipe 102.

The water tank body 10 has a liquid accommodating chamber 101, the liquid accommodating chamber 101 is used for accommodating liquid, the liquid can be clean water for providing clean water to the cleaning member of the cleaning robot to wet the cleaning member, or the liquid can be sewage for collecting sewage generated by cleaning the cleaning member.

The water tank main body 10 further has a water inlet 10a, a water outlet 10b and an air inlet 10c which are respectively communicated with the liquid accommodating cavity 101, wherein the water outlet 10b and the air inlet 10c are communicated with an apparatus outside the water tank structure, and the water inlet 10a is arranged inside the liquid accommodating cavity 101 and is communicated with the water outlet 10b to lead out liquid inside the liquid accommodating cavity 101 or recycle liquid outside the liquid accommodating cavity 101.

Specifically, the air pump structure 20 is provided on the tank body 10, and an air outlet of the air pump structure 20 communicates with the air inlet 10 c. Inside water pipe 102 locates liquid holding chamber 101, and a mouth of pipe and water inlet 10a intercommunication of inside water pipe 102, another mouth of pipe and delivery port 10b intercommunication of inside water pipe 102 supply in with the liquid in liquid holding chamber 101 by water inlet 10a water conservancy diversion to delivery port 10b, and then realize deriving the inside liquid in liquid holding chamber 101.

In the embodiment of the present application, a portion of the water pipe between the two ends of the inner water pipe 102 has a first height, the height of the water inlet 10a and the height of the water outlet 10b are both lower than the first height, and the portion of the water pipe is used for preventing the inner water pipe 102 from guiding the liquid when the air pump structure 20 stops working and the liquid level 10d in the liquid accommodating chamber is lower than the first height.

In this embodiment, the water tank structure still has the air pump chamber, and the air pump chamber is adjacent with foretell liquid holding chamber, and air pump structure 20 is installed in the inside of air pump chamber, and the air pump chamber supplies in keeping apart the main part of air pump structure and the exterior space of water tank structure, and the exterior space intercommunication of air pump mouth and water tank structure that the air pump structure has supplies in the air that acquires the exterior space, and the air of exterior space gets into the air pump structure through the air pump mouth to can get into the inside in liquid holding chamber through the air inlet.

The water tank structure that this application embodiment provided, inside water pipe 102 that is equipped with of liquid holding chamber 101 of water tank main body 10, a mouth of pipe and water inlet 10a intercommunication of inside water pipe 102, another mouth of pipe and delivery port 10b intercommunication of inside water pipe 102, at the air pump structure 20 during operation, inside water pipe 102 supplies to derive the liquid in liquid holding chamber 101 to delivery port 10b by water inlet 10a water conservancy diversion, and then with this liquid derivation liquid holding chamber 101. And, some water pipes between the both ends of inside water pipe 102 have the first height, and the height that water inlet 10a is located and the height that water outlet 10b is located are all less than this first height, stop work at air pump structure 20, and when the liquid level 10d in the liquid storage chamber is less than first height, the liquid in this part of water pipe then appears cutting off, can prevent the water conservancy diversion of inside water pipe 102 to liquid through this part of water pipe that is in on first height, and then when air pump structure 20 stops working, prevent the circulation between water inlet 10a and the water outlet 10b, and then avoided the water tank structure in the state of standing still or the water leakage of dress in-process.

In a preferred embodiment, the height of the air inlet 10c is lower than that of the water inlet 10a, and the height of the water inlet 10a is lower than that of the water outlet 10 b. Thus, when the air pump structure 20 is in a stop state, the water pressure value at the air inlet 10c is greater than the water pressure value at the water inlet 10a, and the water pressure value at the water inlet 10a is greater than the water pressure value at the water outlet 10b, the liquid inside the liquid accommodating cavity 101 is preferably fed back from the air inlet 10c, and because the air pump structure 20 has a function of preventing backflow, the air inlet 10c can be blocked by the air pump structure 20, so that the air pump structure achieves an effect of sealing the air inlet 10 c.

In the preferred embodiment, the height of one nozzle of the inner water pipe 102 is the same as the height of the water inlet 10a, and the height of the other nozzle of the inner water pipe 102 is the same as the height of the water outlet 10 b.

In other embodiments, the height of the air inlet 10c is lower than that of the water inlet 10a, and the height of the water inlet 10a and that of the water outlet 10b may tend to be the same, when the air pump structure 20 stops operating, and the liquid level 10d in the liquid accommodating chamber is lower than the first height, some of the water pipes at the first height may also prevent the inner water pipe 102 from guiding the liquid, and further when the air pump structure 20 stops operating, the water inlet 10a and the water outlet 10b are prevented from flowing through each other, thereby avoiding leakage of the water tank structure in a standing state or during water filling.

In a preferred embodiment, a portion of the water pipe having the first height of the inner water pipe 102 is adjacent to or connected to the top wall 101a of the body 10 of the tank, thereby ensuring that the portion of the water pipe is always maintained at the first height.

The inner water pipe 102 may be a hard water pipe or a soft water pipe. In this embodiment, it is preferable that the internal water pipe 102 is a hard water pipe, and the internal water pipe 102 is in a fixed shape inside the liquid accommodating chamber 101, so as to further ensure the normal operation of the water tank structure, and prevent the deformation of the soft water tank, which leads to the problem that the water tank structure cannot operate normally.

In a preferred embodiment, the tank body 10 has a top wall 101a and a bottom wall 101b oppositely disposed in a vertical direction, and a first side wall 101c and a second side wall 101d oppositely disposed in a horizontal direction.

Wherein, the inlet 10a is adjacent to the first side wall 101c and the bottom wall 101b, the outlet 10b is adjacent to the second side wall 101d, the inlet 10c is disposed in the middle area between the inlet 10a and the outlet 10b, the inlet 10c is adjacent to the bottom wall 101b, and a part of the water pipes with the first height on the inner water pipe 102 is adjacent to or connected to the top wall 101 a.

In this embodiment, set up water inlet 10a near first lateral wall 101c and diapire 101b, and set up water outlet 10b near second lateral wall 101d, and locate air inlet 10c the middle zone between water inlet 10a and the delivery port 10b, be convenient for when changing the water tank structure 90 placing the angle, one of them liquid level 10d that exposes liquid in water inlet 10a and the delivery port 10b, and then prevent switching on between the two of water inlet 10a and delivery port 10 b.

Setting a part of the water pipe with a first height on the inner water pipe 102 as a first part of the water pipe 102 a; the part of the water pipe on the internal water pipe 102, which is close to and communicated with the water inlet 10a, is a second part of the water pipe 102b, and the second part of the water pipe 102b is close to the first side wall 101 c; a part of the water pipe on the inner water pipe 102 close to and communicated with the water outlet 10b is a third part of the water pipe 102c, and the third part of the water pipe 102c is adjacent to the second side wall 101 d.

As shown in fig. 2 and 3, wherein the second portion of water pipe 102b and the third portion of water pipe 102c are configured to prevent diversion of liquid by the inner water pipe 102 when the tank configuration is switched from horizontal transverse placement as shown in fig. 1 to vertical placement as shown in fig. 2 and 3, respectively.

Specifically, as shown in fig. 2, when the water tank structure shown in fig. 1 is rotated by 90 ° to the right to be at a vertical placement angle, at this time, the liquid level 10d inside the liquid accommodating cavity 101 is lower than the water inlet 10a and the second partial water pipe 102b, the liquid in the second partial water pipe 102b is cut off, the second partial water pipe 102b can prevent the flow guide of the internal water pipe 102 to the liquid, and further, when the air pump structure 20 stops working, the flow between the water inlet 10a and the water outlet 10b is prevented, so that the leakage of the water tank structure in a standing state or a water filling process is avoided.

Specifically, as shown in fig. 3, when the water tank structure shown in fig. 1 is rotated 90 ° to the left to be at a vertical placement angle, at this time, the liquid level 10d inside the liquid accommodating cavity 101 is lower than the water outlet 10b and the third partial water pipe 102c, and the liquid in the third partial water pipe 102c is cut off, the third partial water pipe 102c can prevent the liquid from being guided by the internal water pipe 102, so that when the air pump structure 20 stops working, the water inlet 10a and the water outlet 10b are prevented from flowing through each other, and further, the leakage of the water tank structure in a standing state or a water filling process is avoided.

As shown in fig. 1 to 3, in the present embodiment, the whole internal water pipe 102 is spaced apart from the inner wall of the tank body 10, in another embodiment, the internal water pipe 102 may keep the same direction, but the internal water pipe 102 may be disposed to be attached to the inner wall of the tank body 10, for example, the first part of water pipe 102a may be attached to the top wall 101a of the tank body 10, the second part of water tank may be attached to the first side wall 101c of the tank body 10, and the third part of water pipe 102c may be attached to the second side wall 101d of the tank body 10.

In a preferred embodiment, the top wall 101a is a concave structural wall, the top wall 101a includes a first wall a, a second wall b and a third wall c connected in sequence, the height of the first wall a is higher than the first height, the height of the second wall b is lower than the first height, and the height of the third wall c is between the height of the first wall a and the height of the second wall b. The first partial water pipe 102a is adjacent to or connected to the first wall a, and the third partial water pipe 102c is adjacent to or connected to the third wall c.

In this embodiment, the structure of the top wall 101a is divided into different heights to form a first wall a facing the first partial water pipe 102a, a third wall c facing the third partial water pipe 102c, and a second wall b for mounting the air pump structure 20, so that the first partial water pipe 102a and the third partial water pipe 102c can be mounted and positioned in a bent manner.

More importantly, the top wall 101a of the tank is designed to have a concave structure, so that a part of the space is reserved inside the tank body 10 after the inside of the tank body 10 is filled with liquid.

Specifically, as shown in fig. 1, when the water tank structure is placed horizontally as shown in fig. 1, because the height of the first wall surface a is higher than that of the third wall surface c, the liquid level 10d in the solution containing cavity does not reach the height of the first wall surface a, a partial space is reserved between the liquid level 10d and the first wall surface a, the partial space is a space where the first partial water pipe 102a is located, the first partial water pipe 102a located at the first height can prevent the flow guide of the liquid by the internal water pipe 102, and further when the air pump structure 20 stops working, the flow between the water inlet 10a and the water outlet 10b is prevented, so that the leakage of the water tank structure in a standing state or a water filling process is avoided.

As shown in fig. 2 and 3, when the tank structure is vertically arranged as shown in fig. 2 or 3, since the height of the first wall a is higher than that of the third wall c, the interior of the liquid accommodation chamber 101 always reserves a part of space, which always exists even if the arrangement angle is changed. This embodiment sets up through the position to water inlet 10a and delivery port 10b for when the water tank structure is in vertical placement, one of them of water inlet 10a and delivery port 10b is higher than liquid level 10d, and liquid in the water tank structure still can't leak, thereby reaches the purpose that the water tank structure is in vertical placement also can not leak.

Furthermore, in an embodiment, the water tank structure further includes an internal air pipe 103, a connection port d is formed on the second wall surface b or the third wall surface c, one pipe orifice of the internal air pipe 103 is communicated with the connection port d, and the other pipe orifice of the internal air pipe 103 is an air inlet 10 c; the air pump structure 20 is disposed outside the second wall surface b, and an air outlet of the air pump structure 20 is communicated with the connection port d.

In the embodiment of the present application, it is preferable that the height of the air inlet 10c is lower than that of the water inlet 10a, but there is no particular requirement for the particular arrangement position of the air pump structure 20, and the air pump structure 20 may be arranged at any position.

In one embodiment, the irrigation port e and the connection port d are disposed on the same wall, for example, the third wall c has an irrigation port e and a connection port d, the irrigation port e is used for providing a duty channel to the liquid accommodating chamber 101, the connection port d is communicated with the air inlet 10c, and the connection port d is communicated with the air outlet of the air pump structure 20.

It is still another object of an embodiment of the present application to provide a cleaning robot including the above water tank structure.

Compared with the prior art, the cleaning machines people that this application embodiment provided, adopt the water tank structure that this application embodiment provided, inside water pipe 102 that is equipped with of liquid holding chamber 101 of water tank main body 10, a mouth of pipe and water inlet 10a intercommunication of inside water pipe 102, another mouth of pipe and delivery port 10b intercommunication of inside water pipe 102, at air pump structure 20 during operation, inside water pipe 102 supplies in the liquid with liquid holding chamber 101 by water inlet 10a water conservancy diversion to delivery port 10b, and then derive liquid holding chamber 101 with this liquid. And, some water pipes of the inner water pipe 102 located in the middle of the inner water pipe have a first height, and the heights of two pipe orifices of the inner water pipe 102 are all lower than the first height, when the air pump structure 20 stops working, and the liquid level 10d in the liquid accommodating cavity is lower than the first height, the liquid in the part of water pipes is cut off, the part of water pipes located on the first height can prevent the flow guide of the inner water pipe 102 to the liquid, and then when the air pump structure 20 stops working, the circulation between the water inlet 10a and the water outlet 10b is prevented, and further the leakage of the water tank structure in a standing state or a water filling process is avoided.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A water tank structure, characterized in that:

comprises a water tank main body (10), an air pump structure (20) and an internal water pipe (102);

the water tank main body (10) is provided with a liquid accommodating cavity (101), and a water inlet (10a), a water outlet (10b) and an air inlet (10c) which are respectively communicated with the liquid accommodating cavity (101); the air pump structure (20) is arranged on the water tank main body (10), and an air outlet of the air pump structure (20) is communicated with the air inlet (10 c); the inner water pipe (102) is arranged inside the liquid accommodating cavity (101), one pipe orifice of the inner water pipe (102) is communicated with the water inlet (10a), and the other pipe orifice of the inner water pipe (102) is communicated with the water outlet (10b) so as to guide the liquid in the liquid accommodating cavity (101) from the water inlet (10a) to the water outlet (10b) and further guide the liquid out of the liquid accommodating cavity (101);

and a part of water pipes between two ends of the inner water pipe (102) are provided with a first height, the height of the water inlet (10a) and the height of the water outlet (10b) are both lower than the first height, and the part of water pipes are used for preventing the inner water pipe (102) from guiding liquid when the air pump structure (20) stops working and the liquid level (10d) in the liquid containing cavity is lower than the first height.

2. The water tank structure as claimed in claim 1, wherein:

the height of the air inlet (10c) is lower than that of the water inlet (10a), the height of the water inlet (10a) is lower than that of the water outlet (10b), the height of one nozzle of the inner water pipe (102) is consistent with that of the water inlet (10a), and the height of the other nozzle of the inner water pipe (102) is consistent with that of the water outlet (10 b).

3. The water tank structure as claimed in claim 1, wherein:

the portion of the inner water pipe (102) having the first height is adjacent to or connected to a top wall (101a) of the tank main body (10).

4. A water tank structure as claimed in any one of claims 1 to 3, wherein:

the water tank main body (10) is provided with a top wall (101a) and a bottom wall (101b) which are oppositely arranged along the vertical direction, and a first side wall (101c) and a second side wall (101d) which are oppositely arranged along the horizontal direction;

wherein the water inlet (10a) is adjacent to the first side wall (101c) and the bottom wall (101b), the water outlet (10b) is adjacent to the second side wall (101d), the air inlet (10c) is arranged in the middle area between the water inlet (10a) and the water outlet (10b), the air inlet (10c) is adjacent to the bottom wall (101b), and the part of the water pipe with the first height on the inner water pipe (102) is adjacent to or connected to the top wall (101 a).

5. The water tank structure as claimed in claim 4, wherein:

the part of the water pipe with the first height on the inner water pipe (102) is a first part of the water pipe (102 a); a part of the water pipe on the inner water pipe (102), which is close to and communicated with the water inlet (10a), is a second part of the water pipe (102b), and the second part of the water pipe (102b) is close to the first side wall (101 c); a part of the water pipe on the inner water pipe (102), which is close to and communicated with the water outlet (10b), is a third part of the water pipe (102c), and the third part of the water pipe (102c) is close to the second side wall (101 d);

wherein the second portion of water pipe (102b) and the third portion of water pipe (102c) are provided to prevent diversion of liquid by the inner water pipe (102) when the tank structure is switched from horizontal to vertical placement.

6. The water tank structure as claimed in claim 5, wherein:

the top wall (101a) is a concave structural wall, the top wall (101a) comprises a first wall surface (a), a second wall surface (b) and a third wall surface (c) which are connected in sequence, the height of the first wall surface (a) is higher than the first height, the height of the second wall surface (b) is lower than the first height, and the height of the third wall surface (c) is between the height of the first wall surface (a) and the height of the second wall surface (b);

the first portion of water pipe (102a) is adjacent to or connected to the first wall surface (a) and the third portion of water pipe (102c) is adjacent to or connected to the third wall surface (c).

7. The water tank structure as claimed in claim 6, wherein:

the water tank structure further comprises an internal air pipe (103), a connecting port (d) is formed in the second wall surface (b) or the third wall surface (c), one pipe orifice of the internal air pipe (103) is communicated with the connecting port (d), and the other pipe orifice of the internal air pipe (103) is the air inlet (10 c);

the air pump structure (20) is arranged on the outer side of the second wall surface (b), and an air outlet of the air pump structure (20) is communicated with the connecting port (d).

8. The water tank structure as claimed in claim 6, wherein:

the third wall surface (c) is provided with an irrigation port (e) and a connecting port (d), the irrigation port (e) is used for providing a duty channel for the liquid accommodating cavity (101), the connecting port (d) is communicated with the air inlet (10c), and the connecting port (d) is communicated with an air outlet of the air pump structure (20).

9. The water tank structure as claimed in claim 1, wherein:

the inner water pipe (102) is a hard water pipe.

10. A cleaning robot, characterized in that:

comprising a tank construction according to any one of claims 1-9.

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