| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a remote-control type drain plug device using release wire, which has an improved watertight water cut-off structure of an insertion pipe which is inserted through the inside and outside of its drain pipe. <P>SOLUTION: The remote-control type drain plug device using the release wire 4 includes a drain outlet, a valve member which opens and closes the drain outlet, an operation part which operates the opening and closing of the drain outlet, drain piping 13 which discharges drainage water from the drain outlet, and the release wire 4 which is inserted through the wall surface of the drain piping 13 and connects the valve member and the operation part. The part of the drain piping 13 through which the release wire 4 is inserted includes: an insertion pipe part 5 formed of a cylindrical part provided on the wall surface of the drain piping 13; and a bush member 6 which has a bush body 6a arranged and fixed in a state of being housed inside the cylindrical part and provided with a contact surface contacting the release wire 4 on its inner peripheral surface, and a water cut-off rib 7 provided continuously along the inner peripheral surface on the contact surface of the bush body 6a. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
