Suction apparatus and cleaning device having the same

Abstract

A suction apparatus that sucks in air laden with dust and/or foreign substance while moving along a surface to be cleaned and a cleaning device having the same are provided. The suction apparatus includes a suction body, a rotary brush rotatably installed in the suction body, and brushing the dust and/or foreign substance of the surface to be cleaned in rotation, a power transmitting belt disposed in a belt mounting part formed in the suction body, and transmitting a rotating force of motor installed adjacent to the suction body to the rotary brush, and an air circulation part sending air in the belt mounting part to outside to remove a heat produced at the power transmitting belt. The air circulation part removes the heat produced at the power transmitting belt in the belt mounting part.

1 . A suction apparatus of a cleaning device, comprising: 
 a suction body;    a rotary brush rotatably installed in the suction body, and brushing dust and/or foreign substance of a surface to be cleaned during rotation;    a power transmitting belt disposed in a belt mounting part formed in the suction body, the power transmitting belt transmitting a rotating force of motor installed adjacent to the suction body to the rotary brush; and    an air circulation part sending air in the belt mounting part to outside to remove a heat produced at the power transmitting belt.    
   
   
       2 . The apparatus as claimed in  claim 1 , wherein the air circulation part comprises: 
 an air flow opening formed at the belt mounting part; and    a blowing fan disposed in the belt mounting part to be movable by the power transmitting belt, the blowing fan sending air through the air flow opening.    
   
   
       3 . The apparatus as claimed in  claim 2 , wherein the blowing fan comprises a rotating shaft rotatably disposed at the belt mounting part and having a fan driving pulley coming in contact with the power transmitting belt.  
   
   
       4 . The apparatus as claimed in  claim 1 , wherein the air circulation part comprises: 
 an air flow opening formed at the belt mounting part; and    a blowing fan disposed in the belt mounting part to be workable by the motor, the blowing fan sending air through the air flow opening.    
   
   
       5 . The apparatus as claimed in  claim 4 , wherein the blowing fan comprises a rotating shaft having a rotating gear connected with a driving shaft of the motor.  
   
   
       6 . A cleaning device comprising: 
 a cleaner body having a motor chamber in which a motor is installed; and    a suction apparatus pivotally disposed on the cleaner body to be movable along a surface to be cleaned, and sucking in dust and/or foreign substance of a surface to be cleaned by an inhalation force produced at the motor chamber;    wherein the suction apparatus comprises a suction body, a rotary brush rotatably disposed in the suction body for brushing the dust and/or foreign substance of the surface to be cleaned during rotation, a power transmitting belt disposed in a belt mounting part formed in the suction body for transmitting a rotating force of the motor to the rotary brush, and an air circulation part sending air in the belt mounting part to outside to remove a heat produced at the power transmitting belt.    
   
   
       7 . The device as claimed in  claim 6 , wherein the air circulation part comprises: 
 an air flow opening formed at the belt mounting part; and    a blowing fan disposed in the belt mounting part to be movable by the power transmitting belt, the blowing fan sending air through the air flow opening.    
   
   
       8 . The device as claimed in  claim 7 , wherein the blowing fan comprises a rotating shaft rotatably disposed on the belt mounting part and having a fan driving pulley coming in contact with the power transmitting belt.  
   
   
       9 . The device as claimed in  claim 6 , wherein the air circulation part comprises: 
 an air flow opening formed at the belt mounting part; and    a blowing fan disposed in the belt mounting part to be workable by the motor, the blowing fan sending air through the air flow opening.    
   
   
       10 . The device as claimed in  claim 9 , wherein the blowing fan comprises a rotating shaft having a rotating gear connected with a driving shaft of the motor.  
   
   
       11 . A cleaning device comprising: 
 a motor generating a rotational force;    a suction body;    a rotary brush rotatably disposed in the suction body;    a mounting part formed in the suction body;    a transmitting part disposed in the mounting part so that the transmitting part is isolated from dust and/or foreign substances at the rotary brush, the transmitting part transmitting the rotational force to the rotary brush; and    a blowing fan disposed in the mounting part for removing heat from the mounting part.    
   
   
       12 . The device as claimed in  claim 11 , further comprising an air flow opening in the mounting part so that the blowing fan sends air through the air flow opening.  
   
   
       13 . The device as claimed in  claim 11 , wherein the blowing fan is disposed on a rotating shaft disposed in the mounting part.  
   
   
       14 . The device as claimed in  claim 13 , wherein the rotating shaft comprises a fan driving pulley in contact with the transmitting part so that the transmitting part transmits the rotational force to the blowing fan.  
   
   
       15 . The device as claimed in  claim 13 , wherein the rotating shaft comprises a rotating gear connected with a driving shaft of the motor so that the motor transmits the rotational force to the blowing fan.