| 摘要 |
<p>PROBLEM TO BE SOLVED: To enhance discharge efficiency of dirt.SOLUTION: A dirt discharge device includes: a bowl part 10 which receives dirt; a swirl flow generation part 20 which is formed in a pit shape at a lower part of the bowl part 10, and constitutes a water sealing part 26; discharge ports 18L, 18R which discharge washing water to a bowl surface 21 in a region, above the swirl flow generation part 20, of an inner surface of the bowl part 10 so that the washing water swirls; and a fall guide surface 31 which is formed to be raised in a step shape from the bowl surface 21, and extends in a direction crossing an opening edge 20Y of the swirl flow generation part 20 in plan view and then guides the washing water swirling along the bowl surface 21 to let the washing water fall into the swirl flow generation part 20.</p> |
