DRAINING STRUCTURE FOR SIPHON WATER CLOSET

摘要

PROBLEM TO BE SOLVED: To provide a draining structure for a reforming siphon water closet, hard to foul with filthy things and excellent in cleaning performance. SOLUTION: A connection cylinder 5 having an upper opening 8 opening upward at its upper end and a side opening 9 opening sideways at one side 5a and a lateral extension pipe 6 are installed at the lower part of a siphon closet mainbody 2. A corner 5c formed by the bottom 5d of the connection cylinder 5 and the other side 5b on the opposite side of one side 5a where the side opening 9 is provided is formed at an almost right angle. A protrusion 10 which contacts drain from a curved flow passage 4 is protruded inside the connection cylinder 5.