Patent ID: 6698716
Filing Date: 2004-03-02
Classification: A45F,A47G,F16K

Abstract:
A suction valve for water bag comprising: a mounting block fastened to the water outlet tube of a collapsible water bag, said mounting block comprising a stepped center through hole fastened to a front end of said water outlet tube, a water gate disposed in said stepped center through hole and adapted for guiding water out of said water outlet tube, an inside annular coupling flange, a guide groove disposed in a front side; a rotary valve block coupled to said mounting block for rotating by the user to close/open the water gate of said mounting block, said rotary valve block comprising a front tubular screw rod, a finger wheel fixedly disposed on the middle for the gripping of the fingers, a protrusion protruded from one side of said finger wheel and inserted into said guide groove of said mounting block to guide rotary motion of said rotary valve block relative to said mounting block between a first position to close the water gate of said mounting block and a second position to open the water gate of said mounting block a water passage defined on the inside and adapted for receiving water from the water gate of said mounting block, a coupling groove extended around the periphery thereof and coupled to the coupling flange of said mounting block, a gasket fixedly transversely provided in a rear side thereof and adapted for closing the water gate of said mounting block, a water gate provided in said gasket and adapted for guiding water from the water gate of said mounting block to said water passage when said rotary valve block rotated to said second position, and a sealing flange protruded from an inner diameter of said finger wheel and spaced around said front screw rod; and a flexible suction nozzle fastened to said rotary valve block and stopped against said sealing flange, said flexible suction nozzle having a crossed split in a transversely suspended thin layer of front sidewall thereof and a screw hole axially disposed in a rear side thereof and threaded onto the front tubular screw rod of said rotary valve block.