Abstract: A water lock tap comprises a pedestal, which is secured to an attachment object such as a washstand, a pipe attachment member for attaching a water supply pipe to the bottom of the pedestal, and a neck, which is secured to the pedestal; the pedestal comprises a mesh structure for securing the neck to the outer periphery of the pedestal, and having a ring-like blade section which clips into an attachment hole, provided in the attachment object, and a cylindrical moving member which is suspended from the ring-like blade section and has a plurality of protruding members, which are pressed toward the outside when a cylindrical member having a screw notch in its outer periphery is screwed into a cylindrical space having a screw notch in its inner periphery. The pipe member comprises a flange section that connects to the screw notch section and is accommodated in the ring-like blade, and a joint section that is connected to the water supply pipe.

Abstract: A water lock tap can be attached to a pedestal from above a washstand or the like.

Abstract: A water lock tap can be attached to a pedestal from above a washstand or the like.

Abstract: An automatic water faucet in which the neck portion can be easily attached to the sink, after a common base for receiving the faucet has been attached. To achieve such a purpose, the automatic water faucet comprises a water faucet seat and a neck portion. The water faucet seat is constructed to engage with the neck portion by inserting the neck portion into the water faucet seat and rotating the former repeatedly to the latter so as to assemble them together.