Detergent supply box of drum washing machine

Abstract

The present invention relates to a detergent supply box of a drum washing machine which is not only mounted to implement an electronically stable device but also has a simple structure capable of improving the operational reliability thereof. The present invention provides a detergent supply box of a drum washing machine, the detergent supply box comprising: a fixed body ( 21 ) fixedly coupled to a washing machine body ( 11 ); a withdrawal body ( 22 ) detachably coupled to the fixed body ( 21 ); and an automatic pumping device ( 50 ) fixedly installed on the rear side of the fixed body ( 21 ).

1 . A detergent supply container of a drum washer which is detachably attachable to a washer body and supplies a detergent to the washer body, wherein the detergent supply container comprises;
 a stationary body fixed on the washer body through which water flows in and out and has an accommodation space, an inserting opening on the front part thereof, inlets on the upper part thereof and the outlet on the lower part thereof;   a drawable body detachably engaged with the stationary body through the inserting opening and having a filling space in which a liquid or powder detergent is poured and a detergent supply port on the rear side wall thereof;   a pumping means including a cylinder counted on the rear of the stationary body outside the accommodation space and having an a suction hole on one side thereof detachably engaged with the detergent supply port and a detergent exhaust hole on the other side thereof communicating with the accommodation space of the stationary body, a piston inside the cylinder to suction and exhaust the detergent, and a driving motor to drive the piston; and   a tubular connector provided at least on either the detergent supply port or the suction hole of the cylinder and a packing member sealing the tubular connector.   wherein the packing member has an end packing enlarged radially on the front or base end of the connector and plural packing fins extending outward along the longitudinal direction of the connector with some interval.   
     
     
         2 . (canceled) 
     
     
         3 . A detergent supply container of a drum washer of  claim 1 , wherein a separate liquid container is detachably provided in the filling space of the drawable body, the liquid container having a liquid detergent filling portion communicating with the detergent supply port on one end thereof, wherein the powder detergent is to be poured into the filling space after the liquid container is removed from the drawable body. 
     
     
         4 . A detergent supply container of a drum washer of  claim 1 , wherein the drawable body includes a floater having a first magnet and floating on the surface of liquid detergent in the filling space, and the stationary body includes sensor having a second magnet on one outer side thereof magnetically coupled with the first magnet of the floater and electrically connected to the washer body, wherein, if the liquid detergent in the filling space is exhausted, the first magnet and the second magnet are magnetically coupled so that the sensor operates. 
     
     
         5 . A detergent supply container of a drum washer of  claim 1 , wherein the stationary body includes a body cap covering the upper part of the accommodating space, the body cap includes a channel communicating with the inlets and the channel has a hinged damper to change the flow direction of the water by touching of the front end of the drawable body. 
     
     
         6 . A detergent supply container of a drum washer of  claim 1 , wherein the stationary body includes a distribution plate having a plural holes to distribute water from the inlets on the filling space in the drawable body. 
     
     
         7 . A detergent supply container of a drum washer of  claim 1 , wherein the drawable body includes a cover plate to cover the filling space, and the cover plate has a closable entrance provided with a screen.