Patent ID: 8151378

Claim:
A button controlled pressure flushing device comprising a sealed water tank, a flushing valve, a major flushing control valve, a minor flushing control valve, an air induce device, and a one-way water valve; said air induce device including an inlet channel, an outlet channel, and an air channel that intercommunicate with each other; said one-way water valve connecting to said inlet channel of said air induce device; said air channel connecting to an air induce hole via a linking pipe; said air induce hole communicating with an exterior of said sealed water tank; an outlet hole being disposed at a bottom of said sealed water tank; said flushing valve being densely installed on said outlet hole; a running water pipe serving to fill said sealed water tank being with water via said air induce device; characterized in that, said button-controlled pressure flushing device further including a water-volume adjustable valve that has a valve with adjustable means; said major and said minor flushing control valves being respectively structured by button-type valves made of two different diameters; a valve disc of said flushing valve adopting an elastic rubber material; a lower surface of said valve disc covering an opening of said valve, and a sealed cavity being formed between an upper surface of said valve disc and an inner wall of said flushing valve; said sealed cavity having a water injection pipe and a water release pipe; an inlet of said water-volume adjustable valve connecting to an outlet of said one-way water valve; said outlet further connecting to said water injection pipe of said sealed cavity; said major and said minor flushing control valves providing with respective inlets concurrently connecting to said water release pipe of said sealed cavity; said major and minor flushing control valves providing with respective outlets connecting to a water release hole via said linking pipe; said water release hole intercommunicating with said exterior of said sealed water tank.