Patent ID: 7806134
Filing Date: 2010-10-05
Classification: G05D,Y10T

Abstract:
1. 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 provided with two water conduits each 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 fixed plate secured in the valve housing and provided with two through holes connected to the two water conduits of the valve seat respectively; a rotation plate rotatably mounted in the valve housing and provided with two regulating slots that are movable to align with the through holes of the fixed plate to connect the through holes of the fixed plate 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 a respective one of the two water conduits of the valve seat; 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.