Vacuum cleaner

Abstract

A vacuum cleaner including a multipurpose suction accessory which includes a cylindrical main body coupled to the handle pipe and including an introduction port formed on a lateral surface of the main body and a discharge port formed at one of both longitudinal end portions of the main body to communicate with the handle pipe, a cylindrical rotating body rotatably coupled to an outside of the main body and including a plurality of suction parts formed on a lateral surface of the rotating body and spaced a predetermined distance from each other in a circumferential direction, the suction ports being sequentially positioned to correspond to the introduction port of the main body by rotating the rotating body with respect to the main body, and a locker to restrict rotation of the rotating body with respect to the main body.

What is claimed is: 
     
         1 . A vacuum cleaner comprising:
 a body to generate suction force;   a suction head to contact a surface to be cleaned so as to suction air and dirt;   a handle pipe manipulated by a user;   a flexible hose to connect the handle pipe to the body;   an extension pipe to connect the suction head to the handle pipe; and   a multipurpose suction accessory coupled to the handle pipe to replace the suction head to perform cleaning,   wherein the multipurpose suction accessory comprises:   a cylindrical main body coupled to the handle pipe, the main body comprising at least one introduction port formed on a lateral surface of the main body and a discharge port formed at one of both longitudinal end portions of the main body to communicate with the handle pipe;   a cylindrical rotating body rotatably coupled to an outside of the main body and comprising a plurality of suction parts formed on a lateral surface of the rotating body and spaced a predetermined distance from each other in a circumferential direction, the suction parts being positioned to correspond to the introduction port of the main body by rotating the rotating body with respect to the main body; and   a locker to restrict rotation of the rotating body with respect to the main body.   
     
     
         2 . The vacuum cleaner according to  claim 1 , wherein the suction parts include at least one suction port to suction air and dirt on the surface to be cleaned and a brush to guide suction of the air and dirt. 
     
     
         3 . The vacuum cleaner according to  claim 2 , wherein the brushes of the suction parts include a different shape and a different purpose of use. 
     
     
         4 . The vacuum cleaner according to  claim 2 , wherein the plurality of suction parts comprises four suction parts. 
     
     
         5 . The vacuum cleaner according to  claim 4 , wherein the suction parts are disposed on the lateral surface of the rotating body and spaced about 90 degrees from each other in a circumferential direction. 
     
     
         6 . The vacuum cleaner according to  claim 2 , wherein the suction port is provided to both side portions of the brush facing in a circumferential direction. 
     
     
         7 . The vacuum cleaner according to  claim 2 , wherein the brush is provided to both side portions of the suction port facing in the circumferential direction. 
     
     
         8 . The vacuum cleaner according to  claim 1 , further comprising a sealing member provided between the main body and the rotating body to seal a gap between the main body and the rotating body. 
     
     
         9 . The vacuum cleaner according to  claim 8 , wherein an outer surface of the sealing member is coated with a film formed of a smooth material to allow the rotating body to smoothly rotate. 
     
     
         10 . The vacuum cleaner according to  claim 1 , wherein the locker comprises a plurality of accommodation grooves formed on an outer surface of the main body and spaced a predetermined distance from each other in the circumferential direction, and an elastic member arranged at the rotating body and provided with a protrusion adapted to be accommodated in the accommodation grooves. 
     
     
         11 . The vacuum cleaner according to  claim 10 , wherein the elastic member is a plate spring. 
     
     
         12 . The vacuum cleaner according to  claim 1 , wherein the locker comprises a plurality of locking grooves formed at one longitudinal end portion of the rotating body and spaced a predetermined distance from each other in the circumferential direction, an insertion protrusion slidably arranged on an outer surface of the main body so as to be inserted into the locking grooves, and an elastic member to elastically support the insertion protrusion in a direction of insertion of the insertion protrusion into the locking grooves. 
     
     
         13 . The vacuum cleaner according to  claim 12 , wherein the elastic member is a compression spring. 
     
     
         14 . The vacuum cleaner according to  claim 1 , wherein an opening is formed at one of the longitudinal end portions of the main body, and a crevice member for cleaning of crevices is coupled to the opening. 
     
     
         15 . The vacuum cleaner according to  claim 1 , wherein the main body is telescopically formed to extend and contract in a longitudinal direction thereof. 
     
     
         16 . A vacuum cleaner comprising:
 a body to generate suction force;   a suction head to contact a surface to be cleaned so as to suction air and dirt;   a handle pipe manipulated by a user; and   a multipurpose suction accessory coupled to the handle pipe to replace the suction head to perform cleaning,   wherein the multipurpose suction accessory comprises:   a cylindrical main body comprising at least one introduction port formed on a lateral surface of the main body;   a cylindrical rotating body comprising a plurality of suction parts formed on a lateral surface of the rotating body and spaced apart from each other in a circumferential direction, the rotating body being rotatably coupled to an outside of the main body; and   a sealing member provided between the main body and the rotating body to seal a gap between the main body and the rotating body.   
     
     
         17 . The vacuum cleaner according to  claim 13 , further comprising a locker to restrict rotation of the rotating body with respect to the main body. 
     
     
         18 . A multipurpose accessory for a vacuum cleaner comprising:
 a main body including at least one introduction port formed on a lateral surface of the main body;   a rotating body including a plurality of suction parts formed on a lateral surface of the rotating body in a circumferential direction, the rotating body being rotatably coupled to an outer portion of the main body, the suction parts being positioned to correspond to the introduction port of the main body by rotating the rotating body with respect to the main body.   
     
     
         19 . The multipurpose accessory according to  claim 18 , further comprising a locker to restrict rotation of the rotating body with respect to the main body, 
     
     
         20 . The multipurpose accessory according to  claim 19 , wherein the locker includes a plurality of accommodation grooves formed on an outer portion of the main body, and an elastic member provided at the rotating body to be accommodated in the accommodation grooves. 
     
     
         21 . The multipurpose accessory according to  claim 19 , wherein the locker includes a plurality of locking grooves formed at one end portion of the rotating body, an insertion protrusion provided at an outer portion of the main body so as to be inserted into the locking grooves, and an elastic member to elastically support the insertion protrusion.