SELF-CLOSING VALVE OF FAUCET (VERSIONS) AND TIMER UNIT FOR CLOSING FAUCET VALVE Russian patent published in 2001 - IPC

FIELD: automatic shutting-off of water flow. SUBSTANCE: valve has a body with hole. The body has inlet and outlet for passage of medium. Shaft is mounted for turn between open and closed positions for interaction with shut-off member. The body is provided with spring mounted inside it. Valve is provided with ratchet mechanism. Trigger mechanism is arranged inside the body and is provided with the first gear which is thrown into engagement with gear wheel found in the body. Provision is also made for at least one more gear thrown into engagement with the first gear and clutch gear for control of turn of gears under action of spring shift force. Friction clutch unit is located inside body for engagement between shaft and body. Friction clutch provides for engagement exceeding torque of closing created by spring for throwing the trigger mechanism into engagement with shaft and deceleration of shut-off mechanism for closing at shift of shut-off member and shaft by means of spring towards closed position and sliding of trigger mechanism either relative to body or relative to shaft under action of additional torque of closing transmitted at manual operation. Timer unit is provided for closing of faucet valve. EFFECT: facilitated control of faucet; automatic shutting-off of water flow and possibility of closing the faucet manually. 15 cl, 7 dwg