Robot Cleaning Device

Abstract

The present application relates to a robot cleaning device. The robot cleaning device may comprise: a first cleaning assembly, a second cleaning assembly, and a lifting mechanism. The lifting mechanism may comprise: a first rotating member; and a first cable, with one end wound on the first rotating member and the other end connected to the first functional assembly. The lifting mechanism may also comprise a second rotating member; and a second cable, with one end wound on the second rotating member and the other end connected to the second functional assembly. The lifting mechanism may also comprise a driving assembly configured to drive the first rotating member to rotate and drive the first cleaning assembly to lift or lower through the first cable, and drive the second rotating member to rotate and drive the second cleaning assembly to lift or lower through the second cable.

What is claimed is: 
     
         1 . A robot cleaning device, comprising:
 a first cleaning assembly,   a second cleaning assembly, and   a lifting mechanism comprising:
 a first rotating member; 
 a first cable, wherein a first end of the first cable is wound on the first rotating member and a second end of the first cable is connected to the first cleaning assembly; 
 a second rotating member; 
 a second cable, wherein a first end of the second cable is wound on the second rotating member and a second end of the second cable is connected to the second cleaning assembly; and 
 a driving assembly configured to:
 drive the first rotating member to rotate, wherein the rotation of the first rotating member is configured to drive the first cleaning assembly to lift or lower through the first cable, and 
 drive the second rotating member to rotate, wherein the rotation of the first rotating member is configured to drive the second cleaning assembly to lift or lower through the second cable. 
 
   
     
     
         2 . The robot cleaning device according to  claim 1 , wherein each of the first cleaning assembly and the second cleaning assembly is in a lowered state or a raised state through the lifting mechanism. 
     
     
         3 . The robot cleaning device according to  claim 2 , wherein:
 the first rotating member, in the lowered state, has a first maximum angle of rotation along a first direction and a second maximum angle of rotation along a second direction,   the second rotating member, in the raised state, has a third maximum angle of rotation along the first direction and a fourth maximum angle of rotation along the second direction, and   the first direction is opposite to the second direction, and the first maximum angle is greater than the third maximum angle.   
     
     
         4 . The robot cleaning device according to  claim 3 , wherein:
 when the first rotating member rotates the first maximum angle along the first direction or rotates the second maximum angle along the second direction, the first cleaning assembly is in the raised state,   when the second rotating member rotates the third maximum angle along the first direction, the second cleaning assembly is in the raised state, and   when the second rotating member rotates the fourth maximum angle along the second direction, the second cleaning assembly maintains the lowered state.   
     
     
         5 . The robot cleaning device according to  claim 3 , wherein
 when the first rotating member rotates the first maximum angle along the first direction, the first rotating member is configured to release and then wind the first cable.   
     
     
         6 . The robot cleaning device according to  claim 1 , wherein:
 the lifting mechanism comprises a shell,   the first rotating member and the second rotating member are at least partially accommodated in the shell,   the shell is provided with a first hole and a second hole,   the first cable is threaded through the first hole, and   the second cable is threaded through the second hole.   
     
     
         7 . The robot cleaning device according to  claim 6 , wherein:
 the first rotating member has a first fixing point,   the first fixing point is configured to fix an end of the first cable,   the second rotating member has a second fixing point, and the second fixing point is configured to fix an end of the second cable, and   when the first cleaning assembly and the second cleaning assembly are in a lowered state, along a circumferential direction of the first rotating member, the first fixing point is spaced apart from the first hole and the second hole, and the second fixing point is spaced apart from the first hole and the second hole.   
     
     
         8 . The robot cleaning device according to  claim 1 , wherein the first rotating member and the second rotating member rotate in the same direction. 
     
     
         9 . The robot cleaning device according to  claim 1 , wherein the driving assembly is configured to drive the first rotating member to rotate, and the second rotating member is configured to rotate under action of the first rotating member. 
     
     
         10 . The robot cleaning device according to  claim 9 , wherein a maximum rotation angle corresponding to the first rotating member is greater than a maximum rotation angle corresponding to the second rotating member. 
     
     
         11 . The robot cleaning device according to  claim 1 , wherein the first rotating member and the second rotating member are arranged coaxially. 
     
     
         12 . The robot cleaning device according to  claim 1 , wherein:
 the lifting mechanism further comprises an elastic member configured to abut between the first rotating member and the second rotating member, and   the first rotating member is configured to drive the second rotating member to rotate synchronously through the elastic member.   
     
     
         13 . The robot cleaning device according to  claim 1 , wherein:
 the first cleaning assembly comprises a drum,   the second cleaning assembly comprises a roller brush, and   axes of the drum and the roller brush are parallel to each other.   
     
     
         14 . The robot cleaner according to  claim 1 , further comprising a third cleaning assembly, wherein the third cleaning assembly is connected to one of the first cable or the second cable for synchronous lifting or lowering with one of the first cleaning assembly or the second cleaning assembly. 
     
     
         15 . A robot cleaning device, comprising:
 a first cleaning part,   a second cleaning part, and   a first rotating member;   a first cable, wherein a first end of the first cable is wound on the first rotating member and a second end of the first cable is connected to the first cleaning part;   a second rotating member;   a second cable, wherein a first end of the second cable is wound on the second rotating member and a second end of the second cable is connected to the second cleaning part; and   a motor configured to:
 drive the first rotating member to rotate, wherein the rotation of the first rotating member is configured to drive the first cleaning part to lift or lower through the first cable, and 
 drive the second rotating member to rotate, wherein the rotation of the first rotating member is configured to drive the second cleaning part to lift or lower through the second cable. 
   
     
     
         16 . The robot cleaning device of  claim 15 , wherein each of the first cleaning part and the second cleaning part is in a lowered state or a raised state. 
     
     
         17 . The robot cleaning device of  claim 15 , wherein the motor is configured to drive the first rotating member to rotate, and rotation of the first rotating member causes the second rotating member to rotate. 
     
     
         18 . The robot cleaning device of  claim 15 , wherein the first rotating member and the second rotating member are arranged coaxially. 
     
     
         19 . The robot cleaning device of  claim 15 , wherein:
 the first rotating member, in a lowered state, has a first maximum angle of rotation along a first direction and a second maximum angle of rotation along a second direction,   the second rotating member, in a raised state, has a third maximum angle of rotation along the first direction and a fourth maximum angle of rotation along the second direction, and   the first direction is opposite to the second direction, and the first maximum angle is greater than the third maximum angle.   
     
     
         20 . The robot cleaning device of  claim 19 , when the first rotating member rotates the first maximum angle along the first direction, the first rotating member is configured to release and then wind the first cable.