| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bathroom drainage structure capable of suppressing generation of an uncomfortable sound due to air when a siphon phenomenon occurs and the air is sucked from the lower end of a seal water cylinder communicating with a drain port of a wash place. <P>SOLUTION: A seal water cylinder 3 communicating with a drain port 20 of a wash place 2 is penetrated into the inside of a seal water vessel 1 with an upper face part 10 blocked. A discharge water outlet 11 communicating with an external drain pipe 4 connected with the outside of a bathroom is provided in the upper part of the seal water vessel 1, while a discharge water inlet 12 communicating with a bathtub drain pipe 5 connected with a bathtub drain port is provided in the lower part of the seal water vessel 1. The lower end 30 of the seal water cylinder 3 is positioned below the lower end of the discharge water outlet 11, and a collected water clearance 7 for collecting discharge water is formed in the whole circumference of the lower end 30 of the seal water cylinder. A part on the discharge water outlet 11 side of the lower end 30 of the seal water cylinder 3 is positioned above the other parts of lower end 30 of the seal water cylinder 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
