Cleaning device and cleaning system

Abstract

A dust collection assembly is provided with a dust inlet, a dust extraction opening, and a dust collection cavity in communication with the dust inlet and the dust extraction opening. The dust collection assembly includes a bottom wall and a sidewall; the sidewall is extended along a circumferential direction of the bottom wall, the sidewall is connected to the bottom wall to form the dust collection cavity, and the dust extraction opening is provided on the sidewall. The sidewall is connected to the bottom wall to form a dust collection cavity. The dust extraction opening is provided on the sidewall. The design that the dust extraction opening and its ancillary structures are provided on the bottom wall is canceled, and the bottom region near the bottom wall is utilized as the volume of the dust collection cavity, which improves the utilization of the dust collection space.

1 . A cleaning device, comprising a device body and a dust collection assembly, wherein the dust collection assembly is provided on the device body,
 wherein the dust collection assembly is provided with a dust inlet, a dust extraction opening, and a dust collection cavity in communication with the dust inlet and the dust extraction opening;   wherein the dust collection assembly comprises a bottom wall and a sidewall;   wherein the sidewall is extended along a circumferential direction of the bottom wall, the sidewall is connected to the bottom wall to form the dust collection cavity, and the dust extraction opening is provided on the sidewall.   
     
     
         2 . The cleaning device according to  claim 1 , wherein in a direction pointing from an inside of the sidewall to an outside of the sidewall, a portion of the sidewall is protruded relative to another portion of the sidewall, and the dust extraction opening is provided on a protrusion portion of the sidewall. 
     
     
         3 . The cleaning device according to  claim 2 , wherein the sidewall is provided with a plurality of protrusion portions, each protrusion portion is provided with the dust extraction opening; or
 the protrusion portion is provided with a plurality of dust extraction openings.   
     
     
         4 . The cleaning device according to  claim 1 , wherein the sidewall comprises a sidewall body and a dust extraction structure, the sidewall body is connected to the bottom wall to form the dust collection cavity; and
 wherein the sidewall body is provided with a mounting opening, the dust extraction structure is provided with the dust extraction opening, and the dust extraction structure is mounted in the mounting opening.   
     
     
         5 . The cleaning device according to  claim 4 , wherein a portion of the dust extraction structure is fit with the mounting opening, another portion of the dust extraction structure is provided on an outside of the mounting opening, and the dust extraction opening is provided on the another portion of the dust extraction structure provided on the outside of the mounting opening. 
     
     
         6 . The cleaning device according to  claim 4 , wherein the sidewall comprises a plurality of dust extraction structures, each dust extraction structure is provided with the dust extraction opening; or
 the dust extraction structure is provided with a plurality of dust extraction openings.   
     
     
         7 . The cleaning device according to  claim 1 , wherein the dust collection cavity comprises a first dust collection cavity and a second dust collection cavity in communication with the first dust collection cavity;
 wherein a portion of the sidewall and the bottom wall form the first dust collection cavity and another portion of the sidewall and the bottom wall form the second dust collection cavity; and   wherein a circumference where the portion of the sidewall is located is located on an inside of a circumference where the another portion of the sidewall is located, and the dust extraction opening is provided on the another portion of the sidewall.   
     
     
         8 . The cleaning device according to  claim 3 , wherein the plurality of dust extraction openings are arranged sequentially at intervals;
 wherein the plurality of dust extraction openings are arranged in a same direction as the circumferential direction; and/or   the plurality of dust extraction openings are arranged in a direction perpendicular to the circumferential direction.   
     
     
         9 . The cleaning device according to  claim 1 , wherein the dust collection assembly comprises a rotation cover and at least one dust extraction opening; and
 the rotation cover is connected to the sidewall and configured to be rotatable relative to the sidewall, and the rotation cover is provided for closing or opening the at least one dust extraction opening.   
     
     
         10 . The cleaning device according to  claim 1 , wherein the dust inlet is provided on one side of the sidewall, and the dust extraction opening is provided on another side of the sidewall opposite to the one side of the sidewall. 
     
     
         11 . The cleaning device according to  claim 1 , wherein the dust collection assembly further comprises a rotation assembly provided outside the sidewall;
 wherein the rotation assembly comprises a rotation cover, a rotation shaft and a first biasing member, wherein the rotation cover is rotationally connected to the sidewall by the rotation shaft, and the rotation cover is configured to close or open the dust extraction opening;   wherein the first biasing member is movably provided on the rotation shaft, the rotation cover and the sidewall are connected to the first biasing member, respectively; and   wherein the first biasing member is configured to provide a biasing force for switching the rotation cover from a state of opening the dust extraction opening to a state of closing the dust extraction opening.   
     
     
         12 . The cleaning device according to  claim 11 , wherein the dust collection assembly further comprises a connection member, the connection member is detachably mounted on an outside of the sidewall; and
 wherein the rotation cover is rotationally connected to the connection member by the rotation shaft, and the rotation cover and the connection member are connected to the first biasing member, respectively.   
     
     
         13 . The cleaning device according to  claim 1 , further comprising a blocking assembly, wherein the blocking assembly comprises a blocking member; and
 wherein the bottom wall is provided with an air inlet hole, the blocking member is provided on an inside of the bottom wall and configured to be movable relative to the bottom wall, and the blocking member is provided for blocking the air inlet hole or opening the air inlet hole.   
     
     
         14 . The cleaning device according to  claim 13 , wherein the blocking assembly further comprises a second biasing member, the second biasing member is provided on a side of the blocking member away from the bottom wall, and the second biasing member is configured to provide a biasing force for switching the blocking member from a state of opening the air inlet hole to a state of blocking the air inlet hole. 
     
     
         15 . The cleaning device according to  claim 13 , wherein the bottom wall is provided with a blocking hole, the blocking member is connected to the bottom wall via the blocking hole, and the blocking member is configured to move relative to the blocking hole and open the air inlet hole when subjected to a force pointing from an outside of the bottom wall to the inside of the bottom wall. 
     
     
         16 . (canceled) 
     
     
         17 . A cleaning system, comprising a cleaning base station and the cleaning device according to  claim 1 ;
 wherein the cleaning base station is provided with a dust collection opening and a dust collection suction generation device, and the dust collection opening is provided for docking with the dust extraction opening, and the dust collection suction generation device is configured for supplying a suction force for switching the dust extraction opening from a closed state to an opened state, to make matters in the dust collection cavity to enter the dust collection opening from the dust extraction opening.   
     
     
         18 . The cleaning system according to  claim 17 , wherein in a direction pointing from an inside of the sidewall to an outside of the sidewall, a portion of the sidewall is protruded relative to another portion of the sidewall, and the dust extraction opening is provided on a protrusion portion of the sidewall. 
     
     
         19 . The cleaning system according to  claim 17 , wherein the sidewall is provided with a plurality of protrusion portions, each protrusion portion is provided with the dust extraction opening; or
 a protrusion portion is provided with a plurality of dust extraction openings.   
     
     
         20 . The cleaning system according to  claim 17 , wherein the sidewall comprises a sidewall body and a dust extraction structure, the sidewall body is connected to the bottom wall to form the dust collection cavity; and
 wherein the sidewall body is provided with a mounting opening, the dust extraction structure is provided with the dust extraction opening, and the dust extraction structure is mounted in the mounting opening.   
     
     
         21 . The cleaning system according to  claim 17 , wherein the dust collection assembly further comprises a rotation assembly provided outside the sidewall;
 wherein the rotation assembly comprises a rotation cover, a rotation shaft and a first biasing member, wherein the rotation cover is rotationally connected to the sidewall by the rotation shaft, and the rotation cover is configured to close or open the dust extraction opening;   wherein the first biasing member is movably provided on the rotation shaft, the rotation cover and the sidewall are connected to the first biasing member, respectively; and   wherein the first biasing member is configured to provide a biasing force for switching the rotation cover from a state of opening the dust extraction opening to a state of closing the dust extraction opening.