Abstract: A drinking water fountain includes a control valve seat having an inside formed with a mounting hole, a screw member having a first end secured in the mounting hole of the control valve seat and a second end protruding outward from the mounting hole of the control valve seat, and a retractable positioning member pivotally mounted on the second end of the screw member. Thus, the control valve seat is mounted on the sink easily and conveniently, thereby facilitating a user mounting the drinking water fountain on the sink.

Abstract: A high-pressure water-spray device is used to clean the teeth and is formed of a faucet connector, and a rotary member rotatably fastened to the faucet connector and provided with a receiving slot for receiving rotatably a flow control valve, and a locating slot for rotatably positioning a spherical water-spray member. The locating slot is in communication with the receiving slot which is in turn in communication with the faucet connector via a water channel of the rotary member. The flow control valve is rotatably disposed in the receiving slot in conjunction with a confinement ring. The water-spray member is rotatably disposed in the locating slot in conjunction with a stop ring.