| 摘要 |
PURPOSE: A water purifier with an automatic feed water control device is provided to increase the lifetime of a filter part reverse osmosis membrane and to prevent waste of purified water passing through a filter part. CONSTITUTION: A water purifier comprises the following: a filter part; a water tank; a lower body(30) forming a first operation hole(302) and a first guide hole and forming a second guide hole(304) in which a guide path is formed; an upper body(31) with a first inlet(311), a first outlet, and a valve chamber; a valve main body(32) forming a back pressure space and dividing the top and the bottom with a penetration hole on the center; a packing member(33) lifted according to valve body; an elastic member(35) built in the bottom of the packing member; an operating body(36) settled on the first operation hole; a first ball top member(37); and a switching part formed with a slide bar(34) connected to the first ball top member.
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