To obtain a catch basin structure excellent in durability and capable of fixing a catch basin cover to the catch basin in a reliable condition without deforming a fixing jig body even through long-term use.
The catch basin structure installed in the bottom part of a pool is provided with the catch basin 2, the catch basin cover 3, and the fixing jig 4. The jig body 5 is provided with a fixing part 5a and a plate-like protrusion 5b, and a nut 6 is provided with a nut body 6a having a thread groove and a flange part 6b. The flange part 6b is inserted into a space 7, and the nut body 6a passes through a hole 8. The fixing part 5a of the fixing jig 5 is fixed to the wall surface of the catch basin 2 by an anchor 11 and a adhesive. A bolt 12 inserted from the surface of the cover 3 is fastened by the nut body 6a in order to fix the cover 3.
KOYAMA TOSHIAKI
FUJII SHUNJI
YATSUGI KK
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