Switching valve structure for a faucet

摘要

A switching structure for a faucet contain: a body, a stopping sleeve, a switch valve, and a rotatable control knob. The body includes a cold-water inlet, a hot-water inlet, a chamber, an outlet pipe, and an outlet connector. The chamber has a first opening and a second opening. The stopping sleeve includes a first hole, a second hole, a first close washer with a first aperture, a second close washer with a second aperture, a first face, and a second face. Between the switch valve and the body is defined a limiting structure to limit a rotation of the switch valve, the switch valve includes a channel, a coupling stem, a first vent, and a second vent. The first close washer has a first seal ring, and the second close washer has a second seal ring. The rotatable control knob is joined with the coupling stem of the switch valve.

主权项

1. A switching structure for a faucet comprising:
a body including a cold-water inlet and a hot-water inlet which are disposed on two sides of the body, a chamber defined between the cold-water inlet and the hot-water inlet, an outlet pipe connected with the body, and an outlet connector for connecting with outlet equipment; a bottom end of the chamber being in communication with the cold-water inlet and the hot-water inlet, the chamber having a first opening defined on an inner wall thereof to communicate with the outlet pipe, and the chamber having a second opening for communicating with the outlet connector; a stopping sleeve being hollow and fitted in the chamber of the body, and the stopping sleeve including a first hole corresponding to the first opening and including a second hole corresponding to the second opening, the stopping sleeve further including a first close washer and a second close washer which are fitted on an outer wall of the stopping sleeve to stop a water leakage, and the stopping sleeve further including a first face formed on an outer wall thereof and including a second face arranged on the outer wall thereof, wherein a first close washer is fitted on the first face and a second close washer is fitted on the second face, and the first close washer and the second close washer are formed in an arcuate sheet shape, the first close washer has a first aperture defined on a central position thereof and aligning and communicating with the first hole of the stopping sleeve, and the second close washer has a second aperture defined on a central position thereof and aligning and communicating with the second hole of the stopping sleeve, such that the first hole of the stopping sleeve is in communication with the first opening of the body via the first aperture of the first close washer, and the second hole of the stopping sleeve is in communication with the second opening of the body via the second aperture of the second close washer; a switch valve inserting into and rotating in the stopping sleeve, between the switch valve and the body being defined a limiting structure to limit a rotation of the switch valve within a certain angle, the switch valve including a channel defined on the first end thereof corresponding to the bottom end of the chamber and communicating with the cold-water inlet and the hot-water inlet, the switch valve also including a coupling stem extending outwardly from a second end thereof away from the bottom end of the chamber and extending out of the body, a first vent and a second vent being in communication with the channel; the first close washer of the stopping sleeve having a first seal ring arranged on an inner wall thereof to surround around the first aperture and fitted with the first hole of the stopping sleeve to extend into a first part of the stopping sleeve, and the second close washer having a second seal ring arranged on an inner wall thereof to surround around the second aperture and fitted with the second hole of the stopping sleeve to extend into a second part of the stopping sleeve; a rotatable control knob joined with the coupling stem of the switch valve to drive the switch valve to rotate, thus switching water to flow out of the first opening or the second opening of the body.