Dust box and cleaning device

Abstract

The present application discloses a cleaning device and its dust box. The cleaning device may comprise a body, a dust box, and at least two fans. The dust box may be provided for connection to the body, the at least two fans are provided in the body for forming an airflow into and out of the dust box through the apparatus body. The dust box may be provided such that the airflow formed by each of the at least two fans can flow out of the dust box in different directions.

What is claimed is: 
     
         1 . A cleaning device comprising:
 a body;   a dust box connected to the body;   at least two fans provided in the body, the at least two fans are used for forming an airflow went into and out of the dust box via the body;   wherein, the dust box is configured to allow airflow formed by the at least two fans to flow out of the dust box in different directions.   
     
     
         2 . The cleaning device according to  claim 1 , wherein,
 the body is formed with a dust suction port; the dust box is formed with a holding cavity, a dust inlet and at least two air outlets, the dust inlet is used to connect to the dust suction port, the at least two air outlets and the dust inlet are connected to the holding cavity; the at least two fans are used to connect to the at least two air outlets respectively, the at least two air outlets and the holding cavity are provided with a filter between them; wherein at least two of said air outlets are provided in different directions.   
     
     
         3 . The cleaning device according to  claim 2 , wherein,
 the dust box comprises a top wall, a bottom wall and a side wall connected between the top wall and the bottom wall; the holding cavity is formed between the top wall, the side wall, and the bottom wall, the at least two air outlets are opened in said side wall.   
     
     
         4 . The cleaning device according to  claim 3 , wherein,
 the at least two air outlets are provided back-to-back on the side walls.   
     
     
         5 . The cleaning device according to  claim 4 , wherein,
 an angle between planes in which each of the two air outlets are set back-to-back is greater than 0° and less than 180°.   
     
     
         6 . The cleaning device according to  claim 2 , wherein,
 an access cavity is formed within the dust box; a connecting hole is formed within the dust box to connect the access cavity and the holding cavity; the filter is provided in the connecting hole, the access cavity is connected to the holding cavity through the connecting hole, the access cavity is connected to the air outlets.   
     
     
         7 . The cleaning device according to  claim 2 , wherein,
 a first air duct member is provided between each fan and corresponding outlet to connect the fan, the first air duct member stands against the dust box and connects to the corresponding outlet.   
     
     
         8 . The cleaning device according to  claim 7 , wherein,
 a first and second vents are formed on the first air duct member, the first vent connects to the corresponding air outlet, the a second vent connects to the corresponding fan; an angle between a plane in which the first vent is located and a plane in which the second vent is located is greater than 0° and less than 180°.   
     
     
         9 . The cleaning device according to  claim 7 , wherein,
 a housing area is formed in the body and the dust box is detachably held in the housing area; a connection port is provided in the housing area and connected to the dust suction port, the connection port connects to the dust inlet; the at least two fans are provided in the body, and stand against the dust box by the first air duct member.   
     
     
         10 . The cleaning device according to  claim 9 , wherein,
 the at least two air outlets are provided on the side walls of the dust box, the fans stand against the side walls of the dust box by the first air duct member and connects to the air outlets.   
     
     
         11 . The cleaning device according to  claim 10 , wherein,
 a placement cavity is formed in the body and is connected to the housing area, the fans and corresponding second air duct member are provided in the placement cavity.   
     
     
         12 . The cleaning device according to  claim 2 , wherein,
 The body is provided with at least two exhaust ports, the fans are correspondingly connected to the exhaust ports for connecting the corresponding exhaust ports and air outlets.   
     
     
         13 . The cleaning device according to  claim 12 , wherein,
 the second air duct member is provided correspondingly between each fan and the corresponding exhaust outlet, an inlet of the second air duct member is connected to the corresponding fan, an outlet of said second air duct member is connected to the corresponding exhaust outlet.   
     
     
         14 . The cleaning device according to  claim 13 , wherein,
 a cross-sectional area of the second air duct member in a plane perpendicular to a extending direction of the duct increases gradually in a direction from the inlet to the outlet.   
     
     
         15 . The cleaning device according to  claim 2 , wherein,
 at least two of air outlets are opened on different walls of the dust box; or, at least two of air outlets are opened at intervals on a same wall of the dust box, and the plains where the two outlets located are not parallel to each other.   
     
     
         16 . The cleaning device according to  claim 2 , wherein,
 the body comprises a driving assembly, a cleaning assembly, a battery assembly, a sensing assembly, and a control circuit; the driving assembly is used to drive the body to walk; the cleaning assembly is used to clean surfaces near the body; the battery assembly is used to power the driving assembly, the cleaning assembly, the sensing assembly, and the control circuit; the sensing assembly for performing sensing work; the control circuit electrically connecting the walking assembly, the cleaning assembly, the battery assembly, and the sensing assembly.   
     
     
         17 . A cleaning device comprising:
 a body with a dust suction port;   a dust box connected to the body and configured with a holding cavity, a dust suction port, and at least two air outlets, the dust suction port is connected to the holding cavity, and the at least two air outlets is connected to the holding cavity respectively;   at least two fans provided corresponding to the at least two air outlets, the fans are used to form an air stream passing through the dust suction port, the holding cavity, and the air outlets;   wherein the at least two air outlets are set in different directions.   
     
     
         18 . A cleaning device comprising:
 a body with a dust suction port;   a dust box comprising a dust inlet and at least two air outlets, the dust inlet used to connect to the dust suction port;   at least two fans configured in the body and connected to the at least two air outlets respectively, so as to form at least two airflow channels through the dust inlet to the at least two air outlets;   wherein an angle between the airflow channels is greater than 0°.   
     
     
         19 . A dust box comprising a holding cavity, a dust suction port, and at least two air outlets, wherein the dust suction port is connected to the holding cavity, and the at least two air outlets is connected to the holding cavity respectively.