Oral cavity cleaner

An oral cavity cleaner comprising:

• a pump unit including
• a container for storing a fluid;
• and
• a pump coupled to said container for providing said fluid at high pressure;
• a flexible conduit;
• and
• a toothbrush unit coupled to said pump unit by means of said flexible conduit, said toothbrush unit including
• a toothbrush;
• a fluid pressure actuating section operated by the pressure of said high pressure fluid, said fluid pressure actuating section having an actuating member;
• a motion transmitting member having a fluid passage therein extending from said fluid pressure actuating section to said toothbrush, said motion transmitting member being driven by said fluid pressure actuating section and transmitting movement to said toothbrush;
• a valve section located within said fluid passage and including a valve body driven by the discharge pressure from said pump unit to close said fluid passage, said valve section being brought to an open position when the actuating member of said fluid pressure actuating section has moved an amount exceeding a predetermined value;
• and
• an operating section for opening and closing said valve section, said operating section including a locking member for limiting the movement of said valve body.