| 摘要 |
PROBLEM TO BE SOLVED: To lower a height of a water trap by a height of a female screw member, without lowering a screw margin, by lowering a height of the water trap with a simple structure.SOLUTION: A water trap fitting structure comprises: a water trap 2; an inflow port 23 for making drain water from a tank body 1 provided in the water trap 2 flow into the water trap 2; a connection port 24 provided on the side surface of the water trap 2 and connecting to another pipe body; a flange part 25 provided to project toward the outside direction on the upper end of the inflow port 23 of the water trap 2; a fitting part 21 provided on an outer peripheral side surface of the water trap 2; an engaging member 3 detachably fitted to the fitting part 21 separately from the water trap 2, in which, when the water trap 2 is fitted, the outer peripheral edge extends outwardly beyond the connection port 24 as viewed from above, and the inside surface is constituted in substantially the same as the outside surface of the fitting part 21 of the water trap 2, and which has an engaging part 31 on the outer peripheral surface; and an engaging object member 4 being a ring body, having an abutting part 42 abutting on the reverse side of the tank body 1 on the upper end and having an engaging object part 41 which is provided on the inner periphery and rotated to be engaged with the engaging part 31. |
