Patent ID: 6247496
Filing Date: 2001-06-19
Classification: F16K,Y10T

Abstract:
A diverting valve for use in a faucet, comprising a diverting valve body, a valve control stem, a sealing ring, a round restraint disc, an upper control valve unit, a lower control valve unit, a seal cap and a locking cap;said valve control stem being removably engaged with said upper control valve unit;said upper control valve unit being placed relatively rotatable against said lower control valve unit;said lower control valve unit being secured to an interior of said diverting valve body;said valve control stem, said upper control valve unit, said lower control valve unit being housed in sequence in said diverting valve body;said flexible seal cap having a central water inlet hole being engaged with a bottom end of said diverting valve body;said locking cap having a central internally threaded hole having a diameter slightly smaller than a diameter defined by a pair of external guide blocks on an external wall of said diverting valve body;said valve control stem being led through said central hole of said locking cap so that said valve assembly can be secured in place in a faucet mount;wherein said diverting valve body is a two-staged cylinder; a lower portion of said diverting valve body has an open-ended 3-staged valve chamber which is provided with a quarter-circularity extended retaining block and is in communication with a valve stem hole at the top end thereof;said upper control valve unit is a cylindrical block having two parallel flat-cut sides and has a rectangular engagement cavity, a quarter-circular water inlet recess extends inwardly toward the center of said upper control valve unit from each flat-cut side;said valve control stem is provided with a connecting section, a retaining section, a pair of sealing ring sections disposed right under the retaining section and a round bottom having a larger diameter to form a stop flange section; at the center of the underside of said stop flange section is disposed a protruded driving rib and a pair of retaining protrusions;a middle stage of said valve chamber is intermediate of its diameter and length; a lower stage thereof has a larger diameter and shorter length and on an external surface thereof are symmetrically disposed a pair of guide blocks; a pair of seal rings are disposed on an external surface at the middle of said diverting valve body; two water outlet communicating with said valve chamber are disposed right under said seal rings; a plurality of axially extended reinforcement ribs are peripherally disposed on the external surface of the lower stage of the diverting valve body; on the internal surface of the valve chamber and adjacent to the bottom end thereof are disposed a pair of symmetric positioning grooves;said seal cap having a two-staged circular structure is flexible in nature and provided with a central water inlet hole; said seal cap is small of its upper portion and is large of its lower portion and has a tapered periphery defined between said upper and lower portions;at the central water inlet hole is disposed a flexible ring groove and a tapered and outwardly enlarged introduction face; on the underside of the large portion of said seal cap are disposed a plurality of concentric ribs;said locking cap has an internally threaded central through hole with a peripheral shoulder disposed at the top end of the central through hole; the diameter of said peripheral shoulder is slightly smaller than the diameter of said diverting valve body.