Patent ID: 7918241

Claim:
A control valve, comprising: a valve housing having an inner wall provided with a receiving chamber; a hollow valve seat mounted in the valve housing and having a top wall provided with two mounting holes each connected to the receiving chamber of the valve housing; two sealing gaskets mounted in the two mounting holes of the valve seat respectively and each having an inner wall provided with a water conduit connected to the receiving chamber of the valve housing; at least one water outlet channel formed between the inner wall of the valve housing and an outer wall of the valve seat and connected to the receiving chamber of the valve housing; a rotation plate rotatably mounted in the valve housing and provided with two regulating slots that are movable to align with the water conduits of the two sealing gaskets to connect the water conduits of the two sealing gaskets to the receiving chamber of the valve housing respectively; a control unit rotatably mounted on the valve housing and secured to the rotation plate to drive and rotate the rotation plate; two mounting seats mounted in the valve seat and each having a lower end provided with a water inlet hole and an upper end provided with a water outlet hole connected to the water conduit of a respective one of the two sealing gaskets; a fixed sleeve secured in the two mounting seats and provided with two connecting grooves each connected between the water inlet hole and the water outlet hole of a respective one of the two mounting seats; a movable sleeve movably mounted in the fixed sleeve and provided with two connecting slots each movable to align with a respective one of the two connecting grooves, and two sealing flanges each movable to align with a respective one of the two connecting grooves to partially block or entirely interrupt a connection between the water inlet hole and the water outlet hole of a respective one of the two mounting seats; two elastic members each mounted between the water conduit of a respective one of the two sealing gaskets and the water outlet hole of a respective one of the two mounting seats to push the respective sealing gasket toward the rotation plate; the water conduit of each of the two sealing gaskets has a stepped shape to limit the respective elastic member; the water outlet hole of each of the mounting seats has a stepped shape to limit the respective elastic member; each of the two elastic members has an upper end received in the water conduit of the respective sealing gasket and a lower end received in the water outlet hole of the respective mounting seat; the valve seat partially protrudes outwardly from a lower portion of the receiving chamber of the valve housing.