Damping member, cleaning device, and suction head

Abstract

A damping member is for damping vibration of a cleaning device including a first member and a second member. The damping member includes: a first contact surface that is in contact with the first member and a second contact surface that is in contact with the second member. The first contact surface includes at least two contact surfaces facing in directions different from each other.

What is claimed is: 
     
         1 . A damping member for damping vibration of a cleaning device including a first member and a second member, the damping member comprising:
 a first contact surface that is in contact with the first member;   a second contact surface that is in contact with the second member, wherein   the first contact surface includes at least two contact surfaces facing in directions different from each other.   
     
     
         2 . The damping member according to  claim 1 , wherein
 the second contact surface includes at least two contact surfaces facing in directions different from each other.   
     
     
         3 . The damping member according to  claim 1 , comprising
 a tubular portion, wherein   the first contact surface includes an outer surface of the tubular portion, and   the second contact surface includes an inner surface of the tubular portion.   
     
     
         4 . The damping member according to  claim 3 , wherein
 the second contact surface includes one or both of an upper surface and a lower surface of the damping member.   
     
     
         5 . The damping member according to  claim 1 , wherein
 the damping member has an opening in which at least a part of the second member is disposed.   
     
     
         6 . The damping member according to  claim 1 , comprising:
 a tubular portion;   a first flange portion connected to one end portion of the tubular portion; and   a second flange portion connected to another end portion of the tubular portion, wherein   the first contact surface includes an outer surface of the tubular portion, a first surface of the first flange portion, and a second surface of the second flange portion, and   the second contact surface includes an inner surface of the tubular portion, a third surface of the first flange portion, and a fourth surface of the second flange portion.   
     
     
         7 . The damping member according to  claim 6 , wherein
 one or both of the first flange portion and the second flange portion include a plurality of grooves provided at intervals in a circumferential direction.   
     
     
         8 . The damping member according to  claim 1 , comprising:
 one surface;   an other surface facing in a direction opposite to a direction in which the one surface faces;   a first recess provided on the one surface; and   a second recess provided on the other surface, wherein   the first contact surface includes a bottom surface of the first recess and an inner side surface of the first recess, and   the second contact surface includes a bottom surface of the second recess and an inner side surface of the second recess.   
     
     
         9 . The damping member according to  claim 1 , wherein
 the damping member is disposed around a fixing member that fixes the first member and the second member.   
     
     
         10 . A cleaning device comprising:
 a housing including a suction port;   a brush disposed in the suction port;   a drive unit that rotates the brush;   a case that supports at least a part of the drive unit; and   the damping member according to  claim 1 , wherein   the first member includes the case, and   the second member includes the housing.   
     
     
         11 . The cleaning device according to  claim 10 , wherein
 the drive unit includes:   a motor; and   a gear that transmits a rotational force generated by the motor to the brush, and   the case supports the gear.   
     
     
         12 . The cleaning device according to  claim 10 , wherein
 the drive unit includes a motor, and   the case supports the motor.   
     
     
         13 . The cleaning device according to  claim 10 , wherein
 the damping member includes a tubular portion,   the case includes a holding portion disposed around the tubular portion, and   the housing includes a protruding portion inserted into the tubular portion.   
     
     
         14 . A cleaning device comprising:
 a housing including a suction port;   a brush disposed in the suction port;   a drive unit that rotates the brush; and   the damping member according to  claim 1 , wherein   the drive unit includes:
 a motor; 
 an output shaft coupled to the motor; and 
 a relay shaft coupled to the brush, 
   the first member includes the output shaft, and   the second member includes the relay shaft.   
     
     
         15 . The cleaning device according to  claim 14 , wherein
 the damping member includes:
 one surface; 
 an other surface facing in a direction opposite to a direction in which the one surface faces; 
 a first recess provided on the one surface; and 
 a second recess provided on the other surface, 
   the output shaft includes a first cam portion inserted into the first recess, and   the relay shaft includes a second cam portion inserted into the second recess.   
     
     
         16 . A suction head of a cleaning device, the suction head comprising:
 a housing including a suction port;   a brush disposed in the suction port;   a power transmission mechanism that transmits a rotational force generated by a motor to the brush;   a case that supports the power transmission mechanism; and   the damping member according to  claim 1 , wherein   the first member includes the case, and   the second member includes the housing.   
     
     
         17 . The suction head according to  claim 16 , wherein
 the power transmission mechanism includes a gear, and   the case supports the gear.   
     
     
         18 . The suction head according to  claim 16 , wherein
 the power transmission mechanism includes a pulley and a belt wound on the pulley, and   the case supports the pulley.   
     
     
         19 . The suction head according to  claim 16 , comprising
 a screw that fixes the first member and the second member, wherein   the damping member is disposed around the screw.