| 摘要 |
PROBLEM TO BE SOLVED: To smoothly suck waste water containing feces.SOLUTION: The negative pressure suction type toilet 10, mentioned above, includes a toilet bowl body 12 and a drain pipeline 13. The toilet bowl body 12 is a bottomed container which has a drain outlet 32 in a bottom part 12b thereof. The drain pipeline 13 includes an end part 13a which is connected to the drain outlet 32, a rising part 13b which extends upward from the end part 13a, and a descending part 13c which extends downward from the rising part 13b outside the toilet bowl body 12. In the rising part 13b, the bottom of the drain pipeline 13 is disposed so that the waste water can be stored in the toilet bowl body 12 at the intermediate water level, which is a predetermined height position J1 defining the waste water level. |
