Floor brush, cleaning device and roller brush disassembly method

Abstract

A floor brush, a cleaning device and a roller brush disassembly method; wherein the floor brush includes: a floor brush body, one end of the floor brush body being provided with a driving means; a roller brush, and one end of the roller brush is drivable-connected to the driving means; a driving shaft of the driving means is capable of rotating in a first direction of rotation, causing the roller brush to move relatively to the driving shaft and be off the preset mounting position; the first direction of rotation is opposite to the direction of rotation of the roller brush when performing cleaning. Roller brush is driven to move by means of the driving means, and can be quickly disassembled from the floor brush body.

1 - 18 . (canceled) 
     
     
         19 . A cleaning device, comprising:
 a floor brush body, one end of the floor brush body being an open end provided with a connecting part; and   a roller brush provided with a connecting piece, one end of the connecting piece being rotatably connected to the roller brush, and the other end of the connecting piece being demountably connected with the connecting part;   wherein:
 a part of the connecting piece falling into a projection of an end of the roller brush is in a shape of a long bar; 
 the width of the part of the connecting piece falling into the projection of the end of the roller brush is smaller than a diameter of the roller brush; 
 the open end is provided with a concave portion, and the connecting part is disposed in the concave portion, in a state in which the connecting part is connected to the connecting piece; and 
 an outer surface of the connecting piece is lower than the concave portion, or the outer surface of the connecting piece is flush with a top surface of the concave portion, in the axial direction of the roller brush. 
   
     
     
         20 . The cleaning device according to  claim 19 , wherein a disassembling direction of the connecting piece from the connecting part is parallel to an axial direction of the roller brush. 
     
     
         21 . The cleaning device according to  claim 19 , wherein a part of the connecting piece falling outside the projection of the end of the roller brush is in a shape of a long bar. 
     
     
         22 . The cleaning device according to  claim 19 , wherein a width of the connecting piece is smaller than the diameter of the roller brush. 
     
     
         23 . The cleaning device according to  claim 19 , wherein the other end of the connecting piece is magnetically sticked to the connecting part. 
     
     
         24 . The cleaning device according to  claim 19 , wherein the connecting piece is provided with a operating groove. 
     
     
         25 . The cleaning device according to  claim 19 , wherein in a state in which the connecting part is connected to the connecting piece, there is a gap between a sidewall of the concave portion and the connecting piece for a user to operate the connecting piece. 
     
     
         26 . The cleaning device according to  claim 19 , wherein:
 the connecting part is in the shape of a boss; and   the connecting piece is provided with a positioning wall which is engagable with the boss.   
     
     
         27 . The cleaning device according to  claim 19 , wherein an extension direction of the connecting part is same as an extension direction of the concave portion. 
     
     
         28 . A cleaning device, comprising:
 a floor brush body, one end of the floor brush body being an open end provided with a connecting part; and   a roller brush provided with a connecting piece, one end of the connecting piece being rotatably connected to the roller brush, and the other end of the connecting piece being demountably connected with the connecting part;   wherein:
 the open end is provided with a concave portion, and the connecting part is disposed in the concave portion, in a state in which the connecting part is connected to the connecting piece; 
 an outer surface of the connecting piece is lower than the concave portion, or the outer surface of the connecting piece is flush with a top surface of the concave portion, in the axial direction of the roller brush; and 
 in a state in which the connecting part is connected to the connecting piece, there is a gap between a sidewall of the concave portion and the connecting piece for a user to operate the connecting piece. 
   
     
     
         29 . The cleaning device according to  claim 28 , wherein:
 a part of the connecting piece falling into a projection of an end of the roller brush is in a shape of a long bar; and   the width of the part of the connecting piece falling into the projection of the end of the roller brush is smaller than a diameter of the roller brush.   
     
     
         30 . A cleaning device, comprising:
 a floor brush body, one end of the floor brush body being an open end provided with a connecting part; and   a roller brush provided with a connecting piece, one end of the connecting piece being rotatably connected to the roller brush, and the other end of the connecting piece being magnetically sticked to the connecting part;   wherein:
 at least one of the connecting piece and the connecting part is provided with a protrusion, and the other one of the connecting piece and the connecting part is provided with a groove engagable with the protrusion; and 
 the groove is provided with a first magnetic piece, and at least part of the protrusion is a second magnetic piece, when the protrusion and the groove are in a preset engaging position, the first magnetic piece is sticked with the second magnetic piece. 
   
     
     
         31 . The cleaning device according to  claim 30 , wherein:
 a part of the connecting piece falling into a projection of an end of the roller brush is in a shape of a long bar; and   the width of the part of the connecting piece falling into the projection of the end of the roller brush is smaller than a diameter of the roller brush.   
     
     
         32 . A cleaning device, comprising:
 a floor brush body, one end of the floor brush body being open end provided with a connecting part; and   a roller brush provided with a connecting piece, one end of the connecting piece being rotatably connected to the roller brush, and the other end of the connecting piece being demountably connected with the connecting part;   wherein:
 the open end is provided with a concave portion, and the connecting part is disposed in the concave portion, in a state in which the connecting part is connected to the connecting piece; 
 an outer surface of the connecting piece is lower than the concave portion, or the outer surface of the connecting piece is flush with a top surface of the concave portion, in the axial direction of the roller brush; and 
 a disassembling direction of the connecting piece from the connecting part is parallel to an axial direction of the roller brush. 
   
     
     
         33 . The cleaning device according to  claim 32 , wherein:
 a part of the connecting piece falling into a projection of an end of the roller brush is in a shape of a long bar; and   the width of the part of the connecting piece falling into the projection of the end of the roller brush is smaller than a diameter of the roller brush.   
     
     
         34 . A cleaning device, comprising:
 a floor brush body, one end of the floor brush body being an open end provided with a connecting part; and   a roller brush provided with a connecting piece, one end of the connecting piece being rotatably connected to the roller brush, and the other end of the connecting piece being demountably connected with the connecting part;   wherein:
 the connecting piece is provided with a protrusion, and the connecting part is provided with a groove engagable with the protrusion; 
 the protrusion is inserted in to the groove during the engaing of the connecting piece with the connection part; 
 a part of the connecting piece falling into a projection of an end of the roller brush is in a shape of a long bar; 
 the open end is provided with a concave portion, and the connecting part is disposed in the concave portion, in a state in which the connecting part is connected to the connecting piece; and 
 an outer surface of the connecting piece is lower than the concave portion, or the outer surface of the connecting piece is flush with a top surface of the concave portion, in the axial direction of the roller brush.