Cyclone dust collector, vacuum cleaner having the cyclone dust collector, and handy-stick type vacuum cleaner having the cyclone dust collector

Abstract

Provided is a cyclone dust collector with improved usability, a vacuum cleaner having the cyclone dust collector, and a handy-stick type vacuum cleaner having the cyclone dust collector. The handy-stick type vacuum cleaner includes the cyclone dust collector. The cyclone dust collector includes a suction duct configured to suction air in a first direction and provided with an air suction passage formed therein, a cyclone chamber configured to separate dust from air introduced through the suction duct by turning the air, and provided with a grille rotatably formed therein, and a dust collection chamber configured to collect the dust separated from the air in the cyclone chamber in a second direction opposite to the first direction.

1 . A handy-stick type vacuum cleaner comprising a cyclone dust collector, the cyclone dust collector comprising:
 a suction duct configured to suction air in a first direction and provided with an air suction passage formed therein;   a cyclone chamber configured to separate dust from air introduced through the suction duct by turning the air, and provided with a grille rotatably formed therein; and   a dust collection chamber configured to collect the dust separated from the air in the cyclone chamber in a second direction opposite to the first direction.   
     
     
         2 . The handy-stick type vacuum cleaner of  claim 1 , wherein the suction duct and the dust collection chamber are arranged at one side of the cyclone chamber, to be adjacent to each other. 
     
     
         3 . The handy-stick type vacuum cleaner of  claim 2 , wherein the suction duct and the dust collection chamber are arranged in parallel with each other. 
     
     
         4 . The handy-stick type vacuum cleaner of  claim 1 , wherein the cyclone dust collector comprises:
 an inner casing configured to define the air suction passage and the cyclone chamber; and   an outer casing coupled to the inner casing to define the dust collection chamber.   
     
     
         5 . The handy-stick type vacuum cleaner of  claim 4 , wherein the inner casing and the outer casing are detachably coupled to each other. 
     
     
         6 . The handy-stick type vacuum cleaner of  claim 4 ,
 wherein the inner casing comprises a cyclone body configured to define the cyclone chamber,   wherein the cyclone body comprises:
 a dust discharge port through which dust separated from air is discharged to the dust collection chamber, and 
 a guide configured to define the dust discharge port and extending from the cyclone body into the dust collection chamber. 
   
     
     
         7 . The handy-stick type vacuum cleaner of  claim 6 , wherein at least one portion of the guide has a curved surface. 
     
     
         8 . The handy-stick type vacuum cleaner of  claim 6 , wherein the guide comprises:
 a first portion including a first position located upstream in a direction in which dust separated from air in the cyclone chamber moves toward the dust collection chamber; and   a second portion including a second position located downstream in the direction in which dust separated from air in the cyclone chamber moves toward the dust collection chamber, and connected to the first portion while having a curvature.   
     
     
         9 . The handy-stick type vacuum cleaner of  claim 8 ,
 wherein the dust collection chamber comprises a first wall facing the suction duct and a second wall connected to the first wall,   wherein one end of the first portion directed to the second wall is spaced apart from the second wall.   
     
     
         10 . The handy-stick type vacuum cleaner of  claim 1 , wherein a protruding rib is arranged on an inner wall of the cyclone chamber facing the grille in a rotating axis direction of the grill.