Vacuum cleaner

Abstract

Disclosed is a vacuum cleaner for easily cleaning an inside of a dust collector and for easily cleaning and replacing a filter, the vacuum cleaner including a suction nozzle for drawing in air containing impurities such as dust; a main body coupled with the suction nozzle and having suction means for generating a suction force therein; a dust collector formed in a cylindrical form and detachably provided at the main body, into which the air drawn in by the suction nozzle is introduced; a suction tube provided on an outer surface of the dust collector for guiding the air drawn in by the suction nozzle to an inside of the dust collector; a separation plate for dividing an inside of the dust collector into an upper inner space and a lower inner space; a filter provided in the upper inner space of the dust collector divided by the separation plate, filtering the air drawn into the dust collector, and guiding the filtered air to the lower inner space of the dust collector; and a lower cover for discharging the air downward by selectively opening and closing a lower surface of the dust collector, the air guided by the filter.

1 . A vacuum cleaner comprising: 
 a suction nozzle for drawing in air containing impurities such as dust;    a main body coupled with the suction nozzle and having suction means for generating a suction force therein;    a dust collector formed in a cylindrical form and detachably provided at the main body, the dust collector into which the air drawn in by the suction nozzle is entered;    a suction tube provided on an outer surface of the dust collector for guiding the air drawn in by the suction nozzle to an inside of the dust collector;    a separation plate for dividing the inside of the dust collector into an upper inner space and a lower inner space;    a filter provided in the upper inner space of the dust collector divided by the separation plate for filtering the air drawn into the dust collector and guiding the filtered air to the lower inner space of the dust collector; and    a lower cover for discharging the air downward by selectively opening and closing a lower surface of the dust collector, the air guided by the filter.    
   
   
       2 . The vacuum cleaner of  claim 1 , wherein a dust collector mounting member is provided at a central portion of a front surface of the main body and having the dust collector inserted and fixed thereto.  
   
   
       3 . The vacuum cleaner of  claim 1 , wherein separate cleaning tools for cleaning corners are detachably provided on the outer surface of the main body.  
   
   
       4 . The vacuum cleaner of  claim 1 , wherein an agitator is provided in the suction nozzle for scratching the impurities stuck on a floor.  
   
   
       5 . The vacuum cleaner of  claim 1 , wherein the lower cover includes a first end rotatably coupled with the dust collector by a hinge and a second end detachably provided at the dust collector by coupling means having a projection and a hook.  
   
   
       6 . The vacuum cleaner of  claim 1 , wherein the filter is a pleated-surface filter.  
   
   
       7 . The vacuum cleaner of  claim 1 , wherein an opening having the filter inserted therein is provided on an upper surface of the dust collector.  
   
   
       8 . The vacuum cleaner of  claim 7 , wherein the filter is detachably provided at the opening.  
   
   
       9 . The vacuum cleaner of  claim 7 , wherein a coupling rib is provided on an upper surface of the filter, and a coupling lever coupled with the coupling rib is provided at one side of the opening.  
   
   
       10 . The vacuum cleaner of  claim 1 , wherein a first discharge tube is provided in the filter for guiding the filtered air to the lower inner space of the dust collector.  
   
   
       11 . The vacuum cleaner of  claim 10 , wherein a second discharge tube is provided at the lower cover, the second discharge tube passing through the separation plate and communicating with the first discharge tube.  
   
   
       12 . The vacuum cleaner of  claim 11 , wherein the second discharge tube is formed as a single body with the lower cover.  
   
   
       13 . The vacuum cleaner of  claim 11 , wherein a discharge tube cover is detachably provided on an upper surface of the second discharge tube for preventing impurities from being entered thereto.  
   
   
       14 . The vacuum cleaner of  claim 1 , wherein the filter is provided on an upper surface of the separation plate.  
   
   
       15 . The vacuum cleaner of  claim 1 , wherein a pass through hole is formed on a circumference of the separation plate.  
   
   
       16 . The vacuum cleaner of  claim 1 , wherein an outside diameter of the separation plate is formed to be smaller than an inside diameter of the dust collector.  
   
   
       17 . The vacuum cleaner of  claim 1 , wherein the separation plate is formed as a single body with the lower cover.  
   
   
       18 . The vacuum cleaner of  claim 17 , wherein a second discharge tube is provided between the separation plate and the lower cover for discharging the air guided by the filter in a downward direction.  
   
   
       19 . A vacuum cleaner comprising: 
 a suction nozzle for drawing in air containing impurities such as dust;    a main body coupled with the suction nozzle and having suction means generating a suction force therein;    a handle provided at an upper part of the main body;    a dust collector formed in a cylindrical form and detachably provided at the main body, into which the air drawn in by the suction nozzle is entered;    a separation plate for dividing an inside of the dust collector into an upper inner space and a lower inner space;    a filter provided in the upper inner space of the dust collector for filtering the drawn air;    a first discharge tube provided in the filter for guiding the filtered air toward the lower inner space of the dust collector;    a lower cover for selectively opening and closing the lower surface of the dust collector; and    a second discharge tube provided at an upper part of the lower cover and communicated with the first discharge tube for discharging the filtered air in a downward direction of the dust collector.    
   
   
       20 . A vacuum cleaner comprising: 
 a suction nozzle including a lower plate provided on a lower surface of an inlet that draws in air containing impurities, and an upper plate covering the lower plate and protecting parts provided therein;    a main body coupled with the suction nozzle and having suction means for genratin a suction force;    a wheel provided at both sides of the lower plate;    a dust collector formed in a cylindrical form and detachably provided at the main body, into which the air drawn in by the suction nozzle is entered;    a filter provided in the dust collector for filtering the drawn air; and    a lower cover for selectively opening and closing the lower surface of the dust collector.