Patent ID: 7143777

Claim:
A control valve, comprising a housing, a shaft, a fixed plate, and a movable plate, wherein: the housing has an inside formed with a shaft hole having a first end having a peripheral wall formed with a plurality of water outlet holes and an outside formed with a depression communicating with the water outlet holes of the shaft hole, the depression of the housing has a peripheral wall formed with two water inlet holes each communicating with the shaft hole; the shaft is rotatably mounted in the shaft hole of the housing and has a first end protruding outward from the shaft hole of the housing and a second end formed with an abutting disk rested on a wall of the shaft hole of the housing; the fixed plate is secured in the shaft hole of the housing and has a first side formed with a first water inlet channel and a second water inlet channel and a second side formed with a first water inlet port communicating with the first water inlet channel and a second water inlet port communicating with the second water inlet channel; and the movable plate is rotatably mounted in the shaft hole of the housing and has a first side secured on the shaft to rotate therewith and a second side having a peripheral wall formed with a water outlet channel communicating with the water outlet holes of the shaft hole and selectively aligning with either one of the first water inlet channel and the second water inlet channel of the fixed plate.