Patent ID: 8739831

Claim:
A self-reset valve, wherein includes: a fixed unit, which is disposed with an inlet waterway and at least two outlet waterways; a water diversion body, which is rotatably connected to the fixed unit inside, the switch of the outlet waterways to connect to the inlet waterway is realized by the relative rotary of the water diversion body and the fixed unit; the water diversion body is disposed with an outer revolution surface and an inner revolution surface, the outer revolution surface is disposed with an outer ratchet; a stop mechanism, which is connected to the fixed unit and acted on the outer ratchet, the stop mechanism is used to prevent reversal of the water diversion body; a drive shaft, which is rotatably connected to the fixed unit, the drive shaft is disposed with a control end and a drive end, the control end is placed outside the fixed unit for the user's operation, the drive end is disposed inside the fixed unit; a clutch, which is connected between the drive end of the drive shaft and the inner revolution surface of the water diversion body, the clutch is engaged when the drive shaft rotates forward, the clutch is disengaged when the drive shaft rotates backward; and a reset elastic body, which is connected between the drive shaft and the fixed unit to make the drive shaft reverse and reset.