Patent ID: 6783505
Filing Date: 2004-08-31
Classification: A61C

Abstract:
A high-pressure water-spray device for cleaning teeth, said device comprising:a faucet connector of a hollow cylindrical construction and provided at one end with a connection portion engageable with a faucet, said faucet connector further provided at another end with a water discharge hole controlled by a control piece, and in a longitudinal side wall with a water output hole; a fastening member fastened at a fastening end to said water output hole of said faucet connector and comprised of a connection end; and a rotary member comprised of a rotary water inlet which is engaged with said connection end of said fastening member, said rotary member further comprised of, in an interior, a water channel in communication with said rotary water inlet, a receiving slot in communication with said water channel, a flow control valve rotatably received in said receiving slot, a locating slot in communication with said receiving slot, and a water-spray member rotatably received in said locating slot; wherein said receiving slot is comprised of an inner threaded portion, said flow control valve being comprised of a through hole, a turning portion, and an annular projection, said flow control valve being rotatably fastened in said receiving slot in conjunction with a confinement ring, to said confinement ring being comprised of an outer threaded portion which is engaged with said inner threaded portion of said receiving slot such that said confinement ring is stopped by said annular projection of said flow control valve whereby said flow control valve is turned by an external force exerting on said turning portion, so as to align said through hole of said flow control valve with said water channel of said rotary member; and wherein said locating slot is of a spherical construction and is comprised of an inner threaded portion, said water-spray member corresponding in form to said locating slot and being comprised of a jet nozzle whereby said water-spray member is rotatably located in said locating slot in conjunction with a stop ring which is comprised of an outer threaded portion that is engaged with said inner threaded portion of said locating slot.