Cleaning apparatus and water tank

Abstract

A cleaning apparatus includes a chassis, a main body rotatably connected to the chassis, a first chamber and a second chamber arranged on the main body, and a first suction device communicated with the first chamber. The first chamber is communicated with the second chamber through a liquid leakage structure. A partitioning member is provided between the first chamber and the second chamber. The cleaning apparatus further includes a first housing and a second housing, at least part of the first housing is nested within the second housing. A first sealing member and a second sealing member is provided between the first housing and the second housing. A radial contraction portion is arranged around an inner wall of the second housing, an inner diameter corresponding to the radial contraction portion is smaller than an inner diameter corresponding to an inner wall of an area above the radial contraction portion.

What is claimed is: 
     
         1 . A cleaning apparatus, comprising:
 a chassis;   a main body rotatably connected to the chassis;   a first chamber arranged on the main body;   a second chamber arranged on the main body; and   a first suction device communicated with the first chamber through a first suction channel, the first suction device being configured to suction dirt from outside the cleaning apparatus into the first chamber;   wherein the cleaning apparatus further comprises a first housing and a second housing, and at least part of the first housing is nested within the second housing, to define the first chamber and the second chamber;   a bottom wall and/or a side wall of the first housing allows the first chamber to be dependent from the second chamber;   the first chamber is communicated with the second chamber through a liquid leakage structure, to allow liquid in the first chamber to be discharged into the second chamber;   a first sealing member is provided between the first housing and the second housing, and the first sealing member is squeezed between the first housing and the second housing to provide circumferential sealing between the first housing and the second housing;   a second sealing member is further provided between the first housing and the second housing;   the first sealing member and the second sealing member are arranged at intervals along a height direction of the first housing, and the first sealing member is located above the second sealing member;   the side wall of the first housing is defined with an air leakage section located between the first sealing member and the second sealing member;   the side wall of the first housing is defined with an opening, and the opening of the first housing defines the air leakage section; and/or, the side wall of the first housing is defined with a side filtering hole, and the side filtering hole defines the air leakage section;   the liquid leakage structure is arranged on the bottom wall of the first housing, and the second sealing member is arranged around the liquid leakage structure;   a radial contraction portion is arranged around an inner wall of the second housing along a circumferential direction, an inner diameter corresponding to the radial contraction portion is smaller than an inner diameter corresponding to an inner wall of an area above the radial contraction portion;   the second sealing member abuts against the radial contraction portion;   the first sealing member and the second sealing member are arranged on the first housing;   the first sealing member and the second sealing member each comprises a sealing body and a sealing lip; and   the sealing lip of the second sealing member abuts against the radial contraction portion.   
     
     
         2 . The cleaning apparatus according to  claim 1 , wherein
 the first housing is detachably connected to the second housing, and a handle is mounted on the first housing;   an abutment portion is arranged at a rotation connection of the handle;   the handle is rotatably arranged on the first housing, and the handle has a first position where the handle is received on the first housing and a second position for a user to hold, wherein the handle is capable of rotating from the first position to the second position; and   an included angle is formed between the handle in the second position and an end face of the first housing.   
     
     
         3 . The cleaning apparatus according to  claim 2 , wherein
 the handle is arranged around the first suction channel when the handle is in the first position.   
     
     
         4 . The cleaning apparatus according to  claim 2 , wherein
 the second housing comprises a first contact surface, and   in a process of the handle rotating from the first position to the second position, the abutment portion is rotated to abut against the first contact surface of the second housing, to allow the first housing to detach from the second housing.   
     
     
         5 . The cleaning apparatus according to  claim 4 , wherein
 the abutment portion comprises an abutment surface, a first surface, and a second surface; the first surface and the second surface are located on two sides of the abutment surface; a distance from the abutment surface to a center of a rotating shaft of the handle is greater than a distance from the first surface to the center of the rotating shaft;   the first surface faces the first contact surface when the handle is in the first position; and   the abutment surface abuts against the first contact surface when the handle is in the second position.   
     
     
         6 . The cleaning apparatus according to  claim 2 , wherein
 the handle is rotated from the first position to the second position, and a displacement of the first housing along a removal direction of the first housing is greater than an interference fit stroke of the first housing and the second housing along the removal direction of the first housing.   
     
     
         7 . The cleaning apparatus according to  claim 2 , wherein
 an in-position indication device is arranged on the first housing and/or the handle, to generate an in-position indication when the handle is rotated to the first position and/or the second position relative to the first housing;   the handle is in a stored state when the handle is in the first position, and the handle is in an extended state when the handle is in the second position;   a rotational resistance when the handle is in the first position and/or the second position is different from a rotational resistance when the handle is located between the first position and the second position.   
     
     
         8 . The cleaning apparatus according to  claim 7 , wherein
 the rotational resistance when the handle is in the first position and/or the second position is greater than the rotational resistance when the handle is located between the first position and the second position.   
     
     
         9 . The cleaning apparatus according to  claim 2 , wherein
 the first housing and/or the second housing is provided with a limiting portion, and the limiting portion is configured to prevent the handle from continuing to rotate forward, to allow the handle to stay in the second position.   
     
     
         10 . The cleaning apparatus according to  claim 2 , wherein the abutment portion is in a shape of a cam or an elongated arm. 
     
     
         11 . The cleaning apparatus according to  claim 1 , wherein
 the liquid leakage structure is a liquid leakage hole, a liquid leakage passage, or a liquid leakage gap defined between the first chamber and the second chamber; and/or   one liquid leakage structure is provided; and/or   the liquid leakage structure is flat-shaped; and/or   the first chamber is communicated with the second chamber only through the liquid leakage structure; and/or   the liquid leakage structure is arranged on a bottom wall of the first housing, a filter screen is arranged above the bottom wall of the first housing, and the liquid leakage structure is located below the filter screen; and/or   a maximum size of the liquid leakage structure in a front-rear direction is smaller than a minimum size of the liquid leakage structure in a left-right direction; and/or   a cross-sectional area of the liquid leakage structure is less than one-quarter of an area of a bottom surface of the first chamber.   
     
     
         12 . The cleaning apparatus according to  claim 1 , wherein
 the sealing lip is one of multiple sealing lips, and lengths of the multiple sealing lips extending away from the sealing body gradually decrease along an installation direction of the first housing; and/or   the sealing lip is one of multiple sealing lips, and thicknesses of the multiple sealing lips gradually decrease along an installation direction of the first housing; and/or   the sealing lip is inclined on the sealing body, with an inclination direction toward a removal direction of the first housing; and/or   a thickness of the sealing lip gradually decreases from the sealing body toward a direction away from the sealing body; and/or   a cross-section of the sealing lip is triangular; and/or   the second housing comprises a first inner wall and a second inner wall, a length of the sealing lip extending outward is greater than a gap between the first housing and the second inner wall, and less than a gap between the first housing and the first inner wall; and/or   the sealing lip extends radially outward from the sealing body.   
     
     
         13 . The cleaning apparatus according to  claim 1 , further comprising:
 a second detection assembly arranged in the second chamber; and   two electrical connectors arranged on the first housing and connected to the second detection assembly;   wherein the two electrical connectors each comprises a contact located on a part of the first housing exposed outside the second housing; and   the second detection assembly comprises a third electrode and a fourth electrode that are respectively connected to the two electrical connectors, the third electrode and the fourth electrode are located inside the second chamber, and at least one of the third electrode and the fourth electrode extends downward from a bottom wall of the first chamber.   
     
     
         14 . The cleaning apparatus according to  claim 1 , wherein
 the cleaning apparatus further comprises a sewage suction pipeline, the sewage suction pipeline being configured to suction dirt on a surface to be cleaned into the first chamber, and an outlet of the sewage suction pipeline is communicated with the first chamber; and   the sewage suction pipeline further comprises a sewage inlet pipe arranged on the second housing and a sewage suction pipe connected to the sewage inlet pipe;   wherein the sewage suction pipe is configured to suction dirt on a ground into the sewage inlet pipe;   the sewage inlet pipe is communicated with the first chamber; and   the first housing is defined with a sewage inlet pipe hole, the sewage inlet pipe passes through the sewage inlet pipe hole, and a sixth sealing member is arranged on an inner wall of the sewage inlet pipe hole.   
     
     
         15 . The cleaning apparatus according to  claim 1 , wherein
 the cleaning apparatus further comprises a sewage suction pipeline, the sewage suction pipeline being configured to suction dirt on a surface to be cleaned into the first chamber, and an outlet of the sewage suction pipeline is communicated with the first chamber; and   the sewage suction pipeline further comprises a sewage inlet pipe arranged on the second housing and a sewage suction pipe connected to the sewage inlet pipe;   wherein the sewage suction pipe is configured to suction dirt on a ground into the sewage inlet pipe;   the sewage inlet pipe is communicated with the first chamber; and   a sixth sealing member is provided at a connection between the sewage inlet pipe and the first housing for filling a gap between the first housing and the sewage inlet pipe.   
     
     
         16 . The cleaning apparatus according to  claim 1 , wherein
 the first housing is defined with an air suction port, and a passage for the air suction port forms a part of the first suction channel;   the first housing comprises a top wall and a side wall, the air suction port is arranged on the top wall, and there is a spacing between an edge of the air suction port and the side wall; and   a liquid-blocking structure is provided on the top wall of the first housing, and the liquid-blocking structure is configured to prevent liquid from entering the air suction port.   
     
     
         17 . The cleaning apparatus according to  claim 16 , wherein
 the liquid-blocking structure comprises a first liquid-blocking portion located on a rear side of the air suction port;   and/or   the cleaning apparatus further comprises a sewage suction pipeline, the sewage suction pipeline being configured to suction dirt on a surface to be cleaned into the first chamber; and the liquid-blocking structure comprises a third liquid-blocking portion located between the air suction port and an outlet of the sewage suction pipeline.   
     
     
         18 . The cleaning apparatus according to  claim 16 , wherein
 the cleaning apparatus further comprises a sewage suction pipeline, the sewage suction pipeline being configured to suction dirt on a surface to be cleaned into the first chamber;   the air suction port is one of two air suction ports, the two air suction ports are located on a front side of the first chamber, and the two air suction ports are respectively located on two sides of an outlet of the sewage suction pipeline in a left-right direction;   an outlet end of the sewage suction pipeline is located on a front side of the first chamber;   the liquid-blocking structure comprises two third liquid-blocking portions, one of the two third liquid-blocking portions is located between one of the two air suction ports and the outlet of the sewage suction pipeline, and the other third liquid-blocking portion is located between the other one of the two air suction ports and the outlet of the sewage suction pipeline;   the outlet of the sewage suction pipeline is located above lower edges of the third liquid-blocking portions; and   a height of a front side of the outlet of the sewage suction pipeline is higher than a height of a rear side of the outlet of the sewage suction pipeline.   
     
     
         19 . The cleaning apparatus according to  claim 1 , wherein
 the second housing comprises a first inner wall and a second inner wall;   wherein the first inner wall is located above the second inner wall, an inner diameter corresponding to the second inner wall is smaller than an inner diameter corresponding to the first inner wall, and the first inner wall is connected to the second inner wall through the radial contraction portion; and   an inner diameter of the radial contraction portion gradually decreases along an installation direction of the first housing.   
     
     
         20 . The cleaning apparatus according to  claim 1 , wherein
 the cleaning apparatus further comprises a sewage suction pipeline, the sewage suction pipeline being configured to suction dirt on a surface to be cleaned into the first chamber;   a filter screen is arranged in the first chamber, and the filter screen is arranged between the liquid leakage structure and an outlet of the sewage suction pipeline;   a space between the outlet of the sewage suction pipeline and the filter screen in the first chamber defines a solid waste chamber for receiving solid waste; and   the filter screen comprises a filter screen bottom plate and a filter screen side plate connected to an edge of the filter screen bottom plate, the filter screen is provided with filtering holes defined in the filter screen bottom plate and/or the side screen plate, to allow sewage in the solid waste chamber to flow into the second chamber through the liquid leakage structure.