Dust Box, Dust Box Assembly and Cleaning Device

Abstract

The present application discloses dust boxes, dust box assemblies and cleaning devices, wherein the dust box assembly includes a dust box and at least two fans. The dust box is formed with a holding cavity, a dust suction port and at least two air outlets, the dust suction port is connected to the holding cavity, the at least two air outlets are connected to the holding cavity. At least two fans are provided corresponding to at least two air outlets for creating an airflow that passes through the dust suction port, the holding chamber and the air outlet in sequence.

What is claimed is: 
     
         1 . A dust box assembly comprising:
 a dust box 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; and   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 in turn.   
     
     
         2 . The dust box assembly according to  claim 1 , wherein
 the dust box assembly comprises at least two connection members, the connection members, the fans, and the air outlets are corresponded one by one, the connection members are provided between the corresponding fans and air outlet.   
     
     
         3 . The dust box assembly according to  claim 2 , wherein,
 a first vent is formed on one side of each connection member, the first vent is used to connect to the air outlet corresponding to the connection member; a second vent connected to the first vent is formed on the other side of the connection member, the fan corresponding to the connection member is set on the other side of the connection member and connected to the second vent; the angle between the plane in which the first vent is located and the plane in which the second vent is located is greater than 0° and less than 180°.   
     
     
         4 . The dust box assembly according to  claim 3 , wherein,
 the dust box assembly includes a vibration dampening pad, the connection member is configured with a holding slot connected to the second vent, the holding slot has a shape adapted to the shape of the vibration dampening pad, the vibration dampening pad is placed in the holding slot and located between the fan and the connection member.   
     
     
         5 . The dust box assembly according to  claim 3 , wherein,
 the connection member includes a spacer plate set the first vent, the spacer plate is opened with one or more through holes.   
     
     
         6 . The dust box assembly according to any one from  claims 1  to  5 , wherein,
 the dust box is formed with an access cavity adjacent to the holding cavity in a thickness direction of the dust box; the access cavity is connected to the holding cavity and the air outlet, the access cavity is located downstream of the airflow as compared to the holding cavity; wherein the size of the access cavity in the thickness direction of the dust box is less than or equal to the size of the holding cavity in the thickness direction of the dust box. 
 
     
     
         7 . The dust box assembly according to  claim 6 , wherein,
 the dust box comprises a first housing, a second housing, and a cover, the second housing is covered on one side of the first housing to form the holding cavity, the cover is covered on the other side of the second housing to form the access cavity; the dust suction ports are opened on the first housing or the second housing, the at least two air outlets are opened at intervals on the second housing, the dust suction ports are spaced from the at least the dust suction ports, and the dust suction ports and the at least two air outlets are set around the thickness direction of the dust box.   
     
     
         8 . The dust box assembly according to  claim 7 , wherein,
 the second housing is provided with a connecting hole, the connecting hole running through one side of the second housing to the other side of the second housing to connect the access cavity and the holding cavity.   the dust box assembly comprises a first filter and a second filter, the second filter and the first filter are provided in the second housing and covering the connecting holes in turn; or the second filter is provided in the second housing and covering the connecting holes, a number of the first filters is at least two, at least two of the first filters are provided in the second housing and covering the at least two air outlets respectively.   wherein the filtration accuracy of the second filter is less than the filtration accuracy of the first filter   
     
     
         9 . The dust box assembly according to  claim 8 , wherein,
 the cover comprises a body and a top cover, the body having a mounting hole formed at a position corresponding to the first filter, the mounting hole is connected to the access cavity, the top cover is rotatably attached to the body so as to close or open the mounting hole by rotation, wherein the size of the mounting hole is greater than or equal to the size of the connecting hole.   
     
     
         10 . The dust box assembly according to  claim 8 , wherein,
 the dust box includes a snap assembly for snap connection to a device body of a cleaning device.   
     
     
         11 . A dust box comprising: 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 are connected to the holding cavity, wherein each the air outlet is used to connect a fan so that the fan is used to form an airflow through the dust suction port, the holding cavity and the air outlets in turn. 
     
     
         12 . A dust box assembly comprising:
 a main body;   a dust box assembly as claimed in any one of  claims 1 - 10 , the dust box assembly is connected to the main body.