Importance

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Abstract

An interior structure of a water control valve for faucets includes a control valve body, a control valve stem, and a valve plug wherein the control valve body has an upper coupling end with a valve stem hole defined therein disposed at the upper step thereof, a pair of symmetrical positioning slide blocks with an inner valve chamber disposed at the lower step thereof, and a pair of symmetrical water outlet ports with retaining grooves defined thereon in communication with the valve chamber thereof. The control valve stem has an upper engaging end, an abutting block properly disposed thereon, and a linkage rib extending at the bottom side thereof. A stop disc is provided with a central elongate inserting slot and a pair of abutting flanges symmetrically extending at the outer edge thereon. An upper switch valve with plane edges symmetrically cut at both sides thereof has a central elongate inserting recess, and water inlet chambers properly defined therein. A lower switch valve has a pair of protrusive locating blocks symmetrically disposed at the outer periphery thereof, water inlet ports disposed at the top surface thereon, and a connecting cavity disposed at the inner bottom end therein. The valve plug has a stepwise central water inlet hole to form a support face therein, an upper connecting end with a retaining space defining the outer periphery thereon and an upper water sealing ring protruding at the upper edge thereon, and a plurality of lower water sealing rings mounted at the lower end thereof so that the valve plug can be accurately engaged with the lower switch valve to achieve the best leakage-proof effect in water supply thereby.

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First Claim