| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for connecting a drainage system, which can achieve higher designability or functionality.SOLUTION: A structure 10 for connecting a drainage system to a bottom surface part 101 of a tank body 100 comprises a drainage hole 103 that is formed on the bottom surface part 101 of the tank body 100, and a connector 30 capable of connecting the drainage system to the drainage hole 103. In the drainage hole 103, a suspended wall 105 suspended downward on an inner periphery is formed. The connector 30 is fixed in a lower part within the suspended wall 105. |
