| 摘要 |
PROBLEM TO BE SOLVED: To provide a drain trap, effectively removing slime adhering to the inner surface of a deodorization pipe by a flush.SOLUTION: The drain trap 1 includes a trap body 130 and the deodorization pipe 150, wherein a cylindrical movable member 70, the inside of which allows waste water to vertically pass therethrough, is inserted in the interior of the deodorization pipe 150, the specific gravity of the movable member 70 to water is set larger than 1.0, a movable member receiving part 153 on which the movable member 70 is placed in the non-flowing state of sealing water S1 is provided in the interior of the deodorization pipe 150, and the inner surface 70a of the movable member 70 is provided with a part 72 protruding inward to receive the force from the waste water rising inside the movable member 70. In this configuration, the movable member 70 is moved by the force received by the part 72 to thereby remove slime on the inner surface 151a of the deodorization pipe 150. |
