阅读说明：本技术 水箱及具有水箱的清洁装置 (Water tank and cleaning device with same ) 是由 张涛 丁铁 孙邓泉 于 2020-06-05 设计创作，主要内容包括：本发明属于家居清洁技术领域,具体涉及一种水箱及具有水箱的清洁装置,该水箱包括清水箱和污水箱,清水箱上设置有第一进水口,污水箱朝向清水箱的一侧设置为开口结构,且污水箱上设置有第二进水口,其中,清水箱扣合在污水箱的开口结构上,污水箱与清水箱形成密闭的第一容纳腔,第一容纳腔用于储存污水。根据本发明实施例的水箱,污水箱为半封闭结构,污水箱与清水箱连接时,污水箱扣合在清水箱上与清水箱密封连接,两者形成密闭的第一容纳腔。当需要对污水清理时,将污水箱与清水箱分离,可直接对污水箱的内部和清水箱上与污水接触的区域进行清洗,避免污水或杂质的残留。使用过程中,污水箱与清水箱一直密封连接,不会出现污水洒落的情况。(The invention belongs to the technical field of household cleaning, and particularly relates to a water tank and a cleaning device with the same. According to the water tank provided by the embodiment of the invention, the sewage tank is of a semi-closed structure, and when the sewage tank is connected with the clean water tank, the sewage tank is buckled on the clean water tank and is hermetically connected with the clean water tank, and the sewage tank and the clean water tank form a closed first accommodating cavity. When sewage needs to be cleaned, the sewage tank is separated from the clean water tank, the inside of the sewage tank and the area, which is in contact with sewage, on the clean water tank can be directly cleaned, and the residual of sewage or impurities is avoided. In the use, sewage case and clear water tank sealing connection always can not appear the unrestrained condition of sewage.)

1. A water tank for a cleaning device, comprising:

the water tank is provided with a first water inlet;

the side, facing the clean water tank, of the sewage tank is provided with an opening structure, and a second water inlet is formed in the sewage tank;

the clean water tank is buckled on the opening structure of the sewage tank, the sewage tank and the clean water tank form a first closed accommodating cavity, and the first accommodating cavity is used for storing sewage.

2. The water tank as claimed in claim 1, further comprising an air suction valve provided in the wastewater tank, wherein the cleaning device makes the interior of the wastewater tank in a negative pressure state through the air suction valve so that wastewater enters the wastewater tank through the second water inlet.

3. The tank of claim 2, wherein the sump tank is disposed below the clean water tank, the clean water tank is protruded away from the sump tank to form a first receiving area, and the air inlet of the suction valve is disposed in the first receiving area.

4. The water tank as claimed in claim 2, further comprising a sealing assembly provided at the second water inlet, the sealing assembly opening the second water inlet in the negative pressure state to allow the sewage to enter into the first receiving chamber.

5. The water tank of claim 4, wherein the seal assembly comprises:

the elastic piece is connected to the clean water tank and has a first compression amount;

a first sealing member connected to the elastic member and sealing the second water inlet under pressure of the clean water tank, the first sealing member opening the second water inlet under impact of the sucked sewage.

6. The water tank of claim 1 further comprising a suction valve disposed in the fresh water tank, the cleaning device pumping fresh water from the fresh water tank through the suction valve.

7. The water tank as claimed in claim 6, wherein the clean water tank comprises:

the first water inlet is arranged on the first box body;

the sewage tank and the second tank body are connected in a sealing mode to form the first containing cavity, the second tank body and the first tank body are connected in a sealing mode to form the second containing cavity, and the second containing cavity is used for storing clear water.

8. The tank of claim 7, wherein a second sealing member is provided at a junction of the opening structure of the sump and the second tank body.

9. The tank of claim 7, wherein the second tank body is recessed toward the sump body to form a second receiving area, and the suction valve is disposed in the second receiving area;

the sewage tank extends towards the direction of the second tank body to form an installation area, and the second accommodating area penetrates through the installation area and is located in the installation area.

10. The tank of claim 9, wherein a third sealing member is provided at a junction of the mounting region of the sump and the second tank body.

11. The water tank of claim 7 further comprising a suction nozzle disposed in the clean water tank, the suction nozzle comprising a third water inlet and a first water outlet, the first water outlet in communication with the suction valve;

the second box body is provided with a sunken part, the third water inlet is positioned in the sunken part, and a gap is formed between the third water inlet and the sunken part.

12. The water tank as claimed in claim 6, wherein a filter is provided downstream of the suction valve in a flow direction of the fresh water.

13. The water tank as claimed in claim 1, further comprising a first connector and a second connector rotatably connected to both sides of the clean water tank, respectively;

the sewage tank is characterized in that a first fixing part and a second fixing part are respectively arranged on two sides of the sewage tank, the first connecting piece is matched with the first fixing part, and the second connecting piece is matched with the second fixing part.

14. A cleaning device, comprising:

a water tank according to any one of claims 1 to 13;

the cleaning assembly is provided with a sewage port which is communicated with the second water inlet;

the first power part is connected with the water suction valve of the clean water tank and is arranged for conveying clean water in the clean water tank to the cleaning assembly;

and the second power part is connected with the air suction valve of the sewage tank and is arranged to enable the sewage tank to be in a negative pressure state, so that sewage enters the sewage tank through the second water inlet.

15. The cleaning apparatus as recited in claim 14, further comprising an adapter having a first channel and a second channel disposed therein;

the first channel is used for communicating the sewage port with the second water inlet;

the second channel is used for communicating the second power part with the suction valve.

Technical Field

The invention belongs to the technical field of household cleaning, and particularly relates to a water tank and a cleaning device with the same.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

With the advancement of technology, the demands on floor cleaning tools are increasing. Various cleaning devices have emerged to address various needs of users, such as intelligent products of floor sweepers, mopping machines, and corresponding robots. Various floor cleaners having a floor mopping function are presented in response to the user's demands for mopping, and a water tank is used as a core component thereof for storing clean water and recovering sewage, which plays a critical role in both the cleaning effect of the cleaner and the user experience.

Disclosure of Invention

The invention aims to at least solve the problems of sewage sprinkling, overflowing and odor emission caused by an open water tank in the prior art. The purpose is realized by the following technical scheme:

a first aspect of the invention proposes a water tank for a cleaning device, comprising:

the water tank is provided with a first water inlet;

the side, facing the clean water tank, of the sewage tank is provided with an opening structure, and a second water inlet is formed in the sewage tank;

the clean water tank is buckled on the opening structure of the sewage tank, the sewage tank and the clean water tank form a first closed accommodating cavity, and the first accommodating cavity is used for storing sewage.

According to the water tank provided by the embodiment of the invention, the first water inlet is formed in the clean water tank, and a user can replenish clean water into the clean water tank through the first water inlet, so that the working time of the cleaning device is prolonged. One side of the sewage tank is of an open structure, namely the sewage tank is of a semi-closed structure, when the sewage tank is connected with the clean water tank, the semi-closed side is buckled on the clean water tank and is in sealing connection with the clean water tank, and the semi-closed side and the clean water tank form a closed first accommodating cavity. When sewage needs to be cleaned or more sewage needs to be poured, the sewage tank is separated from the clean water tank, and the sewage is poured out. The open structure of the sewage tank is convenient for a user to clean the inside of the sewage tank and the area contacted with sewage on the clean water tank, and the residual of sewage or impurities is avoided. When the cleaning device is used, the sewage tank and the clean water tank are always in a sealing connection state, so that the condition that sewage is scattered or flows out is avoided, and the emission of peculiar smell is reduced.

In some embodiments of the invention, the water tank further comprises an air suction valve arranged in the sewage tank, and the cleaning device makes the inside of the sewage tank in a negative pressure state through the air suction valve so that the sewage enters the sewage tank through the second water inlet.

In some embodiments of the present invention, the waste water tank is disposed below the clean water tank, the clean water tank protrudes in a direction away from the waste water tank to form a first accommodation area, and the air inlet of the suction valve is disposed in the first accommodation area.

In some embodiments of the invention, the water tank further comprises a sealing assembly disposed at the second water inlet, and the sealing assembly opens the second water inlet in the negative pressure state to allow sewage to enter the first accommodating chamber.

In some embodiments of the invention, the seal assembly comprises:

the elastic piece is connected to the clean water tank and has a first compression amount;

a first sealing member connected to the elastic member and sealing the second water inlet under pressure of the clean water tank, the first sealing member opening the second water inlet under impact of the sucked sewage.

In some embodiments of the invention, the water tank further comprises a suction valve disposed in the fresh water tank, and the cleaning device pumps the fresh water in the fresh water tank through the suction valve.

In some embodiments of the invention, the clean water tank comprises:

the first water inlet is arranged on the first box body;

the sewage tank and the second tank body are connected in a sealing mode to form the first containing cavity, the second tank body and the first tank body are connected in a sealing mode to form the second containing cavity, and the second containing cavity is used for storing clear water.

In some embodiments of the present invention, a second sealing member is provided between the sump tank and the second tank body.

In some embodiments of the present invention, the second tank body is recessed toward the direction of the waste water tank to form a second accommodation area, and the suction valve is disposed in the second accommodation area;

the sewage tank extends towards the direction of the second tank body to form an installation area, and the second accommodating area penetrates through the installation area and is located in the installation area.

In some embodiments of the present invention, a third sealing member is provided at a junction of the installation region of the wastewater tank and the second tank body.

In some embodiments of the invention, the water tank further comprises a suction nozzle disposed in the clean water tank, the suction nozzle comprising a third water inlet and a first water outlet, the first water outlet being in communication with the suction valve;

the second box body is provided with a sunken part, the third water inlet is positioned in the sunken part, and a gap is formed between the third water inlet and the sunken part.

In some embodiments of the invention, a filter is arranged downstream of the suction valve in the flow direction of the fresh water.

In some embodiments of the present invention, the water tank further comprises a first connecting member and a second connecting member, the first connecting member and the second connecting member are respectively rotatably connected to two sides of the clean water tank;

the sewage tank is characterized in that a first fixing part and a second fixing part are respectively arranged on two sides of the sewage tank, the first connecting piece is matched with the first fixing part, and the second connecting piece is matched with the second fixing part.

A first aspect of the present invention provides a cleaning device comprising:

the water tank is the water tank in any one technical scheme;

the cleaning assembly is provided with a sewage port which is communicated with the second water inlet;

the first power part is connected with the water suction valve of the clean water tank and is arranged for conveying clean water in the clean water tank to the cleaning assembly;

and the second power part is connected with the air suction valve of the sewage tank and is arranged to enable the sewage tank to be in a negative pressure state, so that sewage enters the sewage tank through the second water inlet.

The cleaning device according to the embodiment of the invention has the same advantages as the water tank, and the description is omitted. In addition, under the drive of the first power part, clean water in the clean water tank continuously flows to the cleaning assembly through the water suction valve, so that the cleaning assembly can clean the environment. After the cleaning assembly cleans the environment, clean water and dust or impurities are mixed into sewage, the sewage flows out from a sewage port on the cleaning assembly, and the sewage enters a sewage tank for storage through the sewage port, the second water inlet and the suction valve under the driving of the second power part.

In some embodiments of the invention, the cleaning device further comprises an adaptor having a first channel and a second channel disposed therein;

the first channel is used for communicating the sewage port with the second water inlet;

the second channel is used for communicating the second power part with the suction valve.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a perspective view of an exploded structure of a water tank according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the assembled water tank of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;

FIG. 4 is a perspective view of the waste tank, suction valve and sealing assembly of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the tank of FIG. 1 in another orientation after assembly;

FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 5;

fig. 7 is a partial structural schematic view of a cleaning device according to an embodiment of the invention.

The reference symbols in the drawings denote the following:

1. a clear water tank; 11. a first water inlet; 12. a sealing plug; 13. a first case; 14. a second case; 15. a second accommodating chamber; 16. a first accommodation area; 17. a first connecting member; 18. a second connecting member; 19. a second containment region; 141. a recessed portion;

2. a sewage tank; 21. a second water inlet; 22. a first accommodating chamber; 23. a first fixed part; 24. a second fixed part; 25. an installation area; 211. a first connection portion; 212. a second connecting portion;

3. an air intake valve; 31. a first valve body, 32, a first valve core; 33. a first spring;

4. a seal assembly; 41. an elastic member; 42. a first seal member;

5. a suction valve; 51. a second valve body, 52, a second valve core; 53. a second spring; 54. a filter member;

61. a second seal member; 62. a third seal member;

7. a water suction nozzle; 71. a third water inlet; 72. a first water outlet; 73. a protrusion; 74. a gap;

8. a cleaning assembly; 81. a sewage port;

9. an adapter; 91. a first channel; 92. a second channel.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, a water tank according to an embodiment of the present invention, for a cleaning device, includes:

the device comprises a clean water tank 1, wherein a first water inlet 11 is formed in the clean water tank 1;

the sewage tank 2 is provided with an opening structure at one side of the sewage tank 2 facing the clean water tank 1, and the sewage tank 2 is provided with a second water inlet 21;

wherein, clear water tank 1 lock is on the open structure of sewage case 2, and sewage case 2 forms inclosed first chamber 22 that holds with clear water tank 1, and first chamber 22 that holds is used for storing sewage.

According to the water tank provided by the embodiment of the invention, the first water inlet 11 is formed in the clean water tank 1, and a user can supplement clean water into the clean water tank 1 through the first water inlet 11, so that the working time of the cleaning device is prolonged. One side of the sewage tank 2 is set to be an open structure, that is, the sewage tank 2 is a semi-closed structure, when the sewage tank 2 is connected with the clean water tank 1, the semi-closed side is buckled on the clean water tank 1 and is hermetically connected with the clean water tank 1, and the semi-closed side and the clean water tank form a closed first accommodating cavity 22. When sewage needs to be cleaned or more sewage needs to be dumped, the sewage tank 2 is separated from the clean water tank 1, and the sewage is dumped. The open structure of the sewage tank 2 facilitates the user to clean the inside of the sewage tank 2 and the area on the clean water tank 1 that is in contact with the sewage, avoiding the residual of the sewage or impurities. When the cleaning device is used, the sewage tank 2 and the clean water tank 1 are always in a sealing connection state, the condition that sewage is scattered or flows out cannot occur, and the emission of peculiar smell is reduced.

It should be noted that the cleaning device may be a hand-held sweeper, a hand-held mopping machine, a cleaning robot, etc., and in one embodiment, the cleaning device is a cleaning robot.

In some embodiments of the present invention, as shown in fig. 2 to 4, a suction valve 3 is disposed in the waste water tank 2, the suction valve 3 includes a first valve body 31, a first valve core 32 disposed in the first valve body 31, and a first spring 33 disposed between the first valve body 31 and the first valve core 32, and the first valve core 32 can overcome the elastic force of the first spring 33 under an external force to conduct the suction valve 3. When the water tank is not mounted on the cleaning device, the air suction valve 3 is in a normally closed state, air in the sewage tank 2 cannot flow out of the sewage tank 2, the interior of the sewage tank 2 is in a normal pressure state, and sewage is difficult to enter the sewage tank 2 from the second water inlet 21. After the water tank is installed on the cleaning device, other parts of the cleaning device are contacted with the first valve core 32, the first valve core 32 is displaced towards the direction of the first spring 33, the first spring 33 is deformed, and the suction valve 3 is conducted. The cleaning device comprises a second power part, the second power part is an air pump and is connected with the air suction valve 3, the air inlet end of the air suction valve 3 is arranged in the sewage tank 2, and the air outlet end of the air suction valve 3 is arranged outside the sewage tank 2. After the water tank is arranged on the cleaning device, the air suction valve 3 is switched on, the second power part is started, air in the sewage tank 2 is pumped out to the outside under the action of the second power part, so that the inside of the sewage tank 2 is in a negative pressure state, and the sewage at the second water inlet 21 can automatically flow into the sewage tank 2 due to the pressure difference between the inside and the outside of the sewage tank 2, so that the collection of the sewage is completed. After the second power member is closed, the first valve core 32 is restored to the initial position by the elastic force of the first spring 33, and the suction valve 3 is no longer conducted.

Wherein, be connected for dismantling between suction valve 3 and the sewage case 2, the both sides of suction valve 3 are passed through the fix with screw on sewage case 2. And a sealing ring is arranged between the air suction valve 3 and the sewage tank 2 to prevent sewage from flowing out of the gap.

In some embodiments of the present invention, the cleaning device has a length direction, a width direction and a height direction, and the connection position of the sewage tank 2 and the clean water tank 1 has the following arrangement modes: the first kind, sewage case 2 and clear water case 1 set up along cleaning device's direction of height, and sewage case 2 sets up in clear water case 1's below, and the second kind, sewage case 2 and clear water case 1 set up along cleaning device's width direction, and sewage case 2 sets up in clear water case 1's front side and rear side, and the third kind, sewage case 2 and clear water case 1 set up along cleaning device's length direction, and sewage case 2 sets up on clear water case 1's left side and right side. In one embodiment, as shown in fig. 1 to 2, the sewage tank 2 and the clean water tank 1 are disposed in a height direction of the cleaning apparatus, and the sewage tank 2 is disposed below the clean water tank 1.

In some embodiments of the present invention, the suction valve 3 is used for guiding the air in the waste water tank 2 out to make the waste water tank 2 in a negative pressure state, and in order to prevent the waste water from entering the suction valve 3 during the process of pumping the air to the outside by the second power member, the height of the air inlet of the suction valve 3 needs to be set higher than the highest liquid level of the waste water in the waste water tank 2. As shown in fig. 1 to 3, a first receiving area 16 is formed in a projection 73 of the bottom plate of the clean water tank 1 in a direction away from the foul water tank 2, and an air inlet of the suction valve 3 is provided in the first receiving area 16. The highest liquid level of the sewage in the sewage tank 2 is a plane flush with the second water inlet 21, and the air inlet of the suction valve 3 is higher than the highest liquid level in the height direction of the cleaning device.

In order to further prevent the sewage from entering the suction valve 3, a waterproof and breathable membrane may be disposed at the air inlet of the suction valve 3, and only the gas is allowed to pass through but the sewage is not allowed to pass through.

In some embodiments of the present invention, the sewage enters from the second water inlet 21 and is stored in the sewage tank 2 under the action of the pressure difference between the inside and the outside of the sewage tank 2 in the state that the sewage tank 2 is at a negative pressure, and the existence of the pressure difference can also serve as a problem of preventing the sewage from flowing out from the second water inlet 21. In order to further prevent the sewage from flowing out of the second water inlet 21, the water tank further comprises a sealing assembly 4 disposed at the second water inlet 21, as shown in fig. 1 to 4, when the sealing assembly 4 is in a negative pressure state in the sewage tank 2, the second water inlet 21 is opened under the impact of the sewage sucked by the negative pressure, so that the sewage enters the first accommodating chamber 22. Under the negative pressure state, sewage enters from the second water inlet 21, and the sealing assembly 4 is opened under the impact of the sewage to form communication between the second water inlet 21 and the inside of the sewage tank 2. After the second power member is closed, the negative pressure state is changed into the normal pressure state, and the sealing assembly 4 seals the second water inlet 21 again, so that the sewage is prevented from flowing out.

In some embodiments of the present invention, as shown in fig. 1 to 4, the sealing assembly 4 includes an elastic member 41 and a first sealing member 42, the elastic member 41 is connected to the clean water tank 1, the elastic member 41 has a first compression amount when the interior of the foul water tank 2 is in a normal pressure state, the first sealing member 42 is connected to the elastic member 41, and the first sealing member 42 seals the second water inlet 21 by the elastic member 41. When the interior of the wastewater tank 2 is in a negative pressure state, wastewater enters from the second water inlet 21, the first sealing member 42 compresses the elastic member 41 under the impact of the wastewater, so that the elastic member 41 reaches a second compression amount, and the first sealing member 42 is separated from the second water inlet 21 to open the second water inlet 21, so that the wastewater enters into the wastewater tank 2.

Wherein, elastic component 41 can be column spring or torsional spring, and when elastic component 41 was column spring, the one end of elastic component 41 was connected on first sealing member 42, and the other end is connected on clear water tank 1, and the elastic component 41 can be for gluing, grafting etc. with being connected between first sealing member 42 and the clear water tank 1. When the elastic member 41 is a torsion spring, it is connected to the second water inlet 21. The sealing assembly 4 may also be in the form of a one-way valve connected at the second water inlet 21, by which the flow direction of the contaminated water is defined. In one embodiment, the elastic member 41 is a cylindrical spring, and guides are provided on both the clean water tank 1 and the first sealing member 42, by which the direction of movement of the elastic member 41 during compression is defined, preventing it from deflecting.

In some embodiments of the present invention, the elastic member 41 has an initial first compression amount, and when the second water inlet 21 is opened, the elastic member 41 has a second compression amount, and the first compression amount is less than or equal to the maximum compression amount of the elastic member 41.

In some embodiments of the present invention, in order to avoid the length of the elastic member 41 from being too large, the length of the second water inlet 21 is increased, as shown in fig. 2 to 4, the first connection portion 211 formed by extending the second water inlet 21 from the waste water tank 2 to the clean water tank 1 reduces the distance between the second water inlet 21 and the clean water tank 1, thereby reducing the size of the sealing assembly 4, and simultaneously increases the height of the second water outlet, changes the position of the highest liquid level of the waste water tank 2, and increases the volume of waste water in the waste water tank 2.

In some embodiments of the present invention, the sewage is collected by conveying external sewage into the sewage tank 2 under the action of external force, and the clean water is used by conveying clean water in the clean water tank 1 to the outside under the action of external force. As shown in fig. 1 and 5, a suction valve 5 is further disposed in the clean water tank 1, the suction valve 5 includes a second valve body 51, a second valve core 52 disposed in the second valve body 51, and a second spring 53 disposed between the second valve body 51 and the second valve core 52, and the second valve core 52 is capable of overcoming the elastic force of the second spring 53 under the external force to conduct the suction valve 5. When the water tank is not mounted on the cleaning device, the water suction valve 5 is in a normally closed state, and the clean water in the clean water tank 1 cannot flow out of the clean water tank 1. After the water tank is installed on the cleaning device, other parts of the cleaning device are contacted with the second valve core 52, the second valve core 52 is displaced towards the direction of the second spring 53, the second spring 53 is deformed, and the water suction valve 5 is conducted. The cleaning device comprises a first power part, the first power part is a water pump, the first power part is connected with a water suction valve 5, the water inlet end of the water suction valve 5 is arranged in the clean water tank 1, and the water outlet end of the water suction valve 5 is arranged outside the clean water tank 1. After the water tank is installed on the cleaning device, the water suction valve 5 is conducted, the first power part is started, clean water in the clean water tank 1 is pumped out and conveyed to a cleaning component 8 of the cleaning device under the action of the first power part, and the cleaning component 8 cleans the environment. After the first power member is closed, the second valve spool 52 is restored to the initial position by the elastic force of the second spring 53, and the suction valve 5 is no longer conducted. The water inlet end of the water suction valve 5 is arranged at the lowest water level of the clean water tank 1, or the water inlet end of the water suction valve 5 is connected with the lowest water level of the clean water tank 1 through a hose.

Wherein, the suction valve 5 is detachably connected with the sewage tank 2, and two sides of the suction valve 5 are fixed on the sewage tank 2 through screws. And a sealing ring is arranged between the water suction valve 5 and the sewage tank 2 to prevent sewage from flowing out of the gap.

In some embodiments of the present invention, as shown in fig. 1 and 2, the clean water tank 1 includes a first tank body 13 and a second tank body 14, the dirty water tank 2 is hermetically connected with the second tank body 14 to form a first accommodating chamber 22, the second tank body 14 is hermetically connected with the first tank body 13 to form a second accommodating chamber 15, and the second accommodating chamber 15 is used for storing clean water. The first water inlet 11 is arranged on the first box body 13, and is used for supplementing clean water from the first water inlet 11 by a user, and the first water inlet 11 is also provided with a sealing cover 12 which is used for sealing the first water inlet 11 after supplementing the clean water and preventing the clean water from spilling.

The first box 13 and the second box 14 may be detachably connected, and a sealing ring may be disposed between the two, or may be an integral structure, welded or bonded. In one embodiment, the first case 13 and the second case 14 are ultrasonically welded to each other. The first tank body 13, the second tank body 14, and the wastewater tank 2 are stacked from top to bottom in the height direction of the cleaning apparatus. The sewage tank 2 is detachably connected with the second tank body 14, so that sewage can be poured out conveniently and the sewage tank 2 can be cleaned. In the using process of a user, in order to avoid sewage from overflowing from the joint of the sewage tank 2 and the second tank body 14, a second sealing element 61 is arranged between the second tank body 14 and the sewage tank 2, and the second sealing element 61 is made of flexible materials such as rubber and silica gel. The two sides of the second box body 14 are respectively provided with a first connecting piece 17 and a second connecting piece 18, the first connecting piece 17 and the second connecting piece 18 are rotatably connected with the second box body 14, the two corresponding sides of the sewage tank 2 are respectively provided with a first fixing part 23 and a second fixing part 24, the first connecting piece 17 is matched with the first fixing part 23, and the second connecting piece 18 is matched with the second fixing part 24. The cooperation of the first connector 17, the second connector 18 and the second sealing member 61 enables the connection between the sewage tank 2 and the clean water tank 1. In one embodiment, the first and second coupling members 17 and 18 have a plate-shaped structure, and the first and second coupling members 17 and 18 are rotatably coupled to the wastewater tank 2 with the position of the rotational coupling to the second tank body 14 being centered in a direction toward or away from the wastewater tank 2. Specifically, the first connecting part 17 and the second connecting part 18 are provided with grooves, the corresponding first fixing part 23 and the corresponding second fixing part 24 on the sewage tank 2 are protrusions, and the sewage tank 2 is connected with the clean water tank 1 through the matching of the grooves and the protrusions.

The connection between the clean water tank 1 and the dirty water tank 2 is not limited to the above. The number of the first connecting member 17 and the second connecting member 18 is at least one. The first fixing parts 23 and the second fixing parts 24 can be uniformly distributed at intervals in the axial direction of the clean water tank 1, and the number of the first fixing parts and the second fixing parts corresponds to that of the first connecting parts 17 and the second connecting parts 18.

In some embodiments of the present invention, as shown in fig. 1, 5 and 6, a water suction nozzle 7 is further disposed in the clean water tank 1, the water suction nozzle 7 includes a third water inlet 71 and a first water outlet 72, the first water outlet 72 is communicated with the water suction valve 5, and clean water in the clean water tank 1 passes through the third water inlet 71, the first water outlet 72, the water suction valve 5 and the first power member in sequence, and is finally conveyed to the cleaning assembly 8 of the cleaning apparatus. In order to ensure that the clean water in the clean water tank 1 can be used up, the second tank 14 is provided with a concave part 141 facing the direction of the sewage tank 2, the concave part 141 is at the lowest water level of the clean water tank 1 along the height direction of the cleaning device, the third water inlet 71 is positioned in the concave part 141, and the clean water finally remained in the concave part 141 is conveyed to the cleaning component 8 through the water suction nozzle 7, so that the clean water is fully utilized. In order to avoid the problem of discontinuous clear water outlet in the process of conveying the clear water, a gap 74 is formed between the third water inlet 71 and the concave part 141 to form a through flow passage, so that the second box body 14 of the third water inlet 71 is prevented from being blocked.

Wherein, there is clearance 74 between third inlet 71 and the depressed part 141, has following several setting mode: firstly, when the water suction nozzle 7 is installed in the clean water tank 1, a through flow passage is formed by a reserved gap 74; secondly, at least one protrusion 73 is arranged at the third water inlet 71, when the third water inlet 71 is contacted with the second box 14, the third water inlet 71 is inclined relative to the second box 14 due to the arrangement of the protrusion 73, and a through flow passage is formed between the third water inlet 71 and the second box 14; thirdly, at least one groove is provided at the third water inlet 71, and when the third water inlet 71 is in contact with the second tank 14, the groove forms a through flow passage due to the provision of the groove. In one embodiment, as shown in fig. 5 and 6, four protrusions 73 are uniformly distributed at the third water inlet 71, so that a through flow passage is formed between the third water inlet 71 and the protrusions 73. The water suction nozzle 7 is detachably connected with the sewage tank 2, and two sides of the water suction valve 5 are fixed on the sewage tank 2 through screws. In addition, the bottom surface of the second tank 14 may be provided with an inclined surface, and the collection position of the inclined surface is the lowest water level position of the clean water tank 1.

In some embodiments of the present invention, as shown in fig. 5, a filtering element 54 is disposed downstream of the water suction valve 5 along the flow direction of the clean water, and the clean water in the clean water tank 1 is finally delivered to the cleaning assembly 8 of the cleaning device via the third water inlet 71, the first water outlet 72, the water suction valve 5, the filtering element 54 and the first power element. Impurity in the clear water is filtered through the filtering piece 54, so that the impurity is prevented from entering the cleaning component 8 to reduce the clean degree of the clear water, and the cleaning capability of the cleaning device is improved.

In some embodiments of the invention, as shown in fig. 1 and 5, the suction valve 5 is large in size, which would result in a large overall size of the cleaning apparatus if directly installed in the clean water tank 1. Therefore, the second tank body 14 is sunken towards the direction of the sewage tank 2 to form a second accommodating area 19, the suction valve 5 is arranged in the second accommodating area 19, the sewage tank 2 extends towards the direction of the second tank body 14 to form an installation area 25 along the height direction of the cleaning device, after the clean water tank 1 is assembled with the sewage tank 2, the second accommodating area 19 passes through the installation area 25 and is positioned in the installation area 25, and the suction valve 5 is installed by means of the position of the sewage tank 2, so that the volume of the water tank can be reduced, and the whole size of the cleaning device can be reduced.

In some embodiments of the present invention, a third sealing member 62 is disposed at the connection between the mounting region 25 and the second tank body 14, and the cooperation of the third sealing member 62, the second sealing member 61, the first connecting member 17 and the second connecting member 18 realizes the sealing connection between the wastewater tank 2 and the clean water tank 1.

In some embodiments of the present invention, as shown in fig. 1, a handle is further disposed above the first box 13, so that the user can detach and install the water tank conveniently. When not in use, the handle can be hidden in the first box body 13. No extra space is occupied, and the volume of the cleaning device is reduced.

As shown in fig. 7, a cleaning apparatus according to another embodiment of the present invention includes:

the water tank is provided by any one of the embodiments;

the cleaning assembly 8, the cleaning assembly 8 is provided with a sewage port 81, and the sewage port 81 is communicated with the second water inlet 21;

the first power part is connected with the water suction valve 5 of the clean water tank 1 and is arranged for conveying clean water in the clean water tank 1 to the cleaning assembly 8;

and a second power member connected to the suction valve 3 of the waste water tank 2, the second power member being configured to make the waste water tank 2 in a negative pressure state so that the waste water is introduced into the waste water tank 2 through the second water inlet 21.

The cleaning device according to the embodiment of the invention has the same advantages as the water tank, and the description is omitted. In addition, under the driving of the first power member, the clean water in the clean water tank 1 continuously flows to the cleaning assembly 8 through the water suction valve 5, so that the cleaning assembly 8 can clean the environment. After the cleaning assembly 8 cleans the environment, clean water and dust or impurities are mixed into sewage, the sewage flows out from the sewage port 81 on the cleaning assembly 8, and under the driving of the second power member, the sewage enters the sewage tank 2 through the sewage port 81, the second water inlet 21 and the suction valve 3 to be stored.

In some embodiments of the present invention, as shown in fig. 7, the second power member is communicated with the suction valve 3 through a hose, and the waste water port 81 is communicated with the second water inlet 21 through a hose, so as to facilitate the trend of the hose and reduce the bending of the two ends of the hose, an adapter 9 is provided to change the connection position and direction of the hose with the second water inlet 21 and the suction valve 3. The adaptor 9 is provided with a first channel 91 and a second channel 92, the first channel 91 is used for communicating the sewage port 81 with the second water inlet 21, and the second channel 92 is used for communicating the second power member with the suction valve 3.

In order to facilitate the communication between the adaptor 9 and the second water inlet 21, as shown in fig. 2, 3 and 7, the second water inlet 21 extends from the waste water tank 2 to a direction away from the clean water tank 1 to form a second connection portion 212, and a sealing ring is disposed between the adaptor 9 and the suction valve 3 and the second water inlet 21 to prevent waste water from flowing out of a gap.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.