| 摘要 |
PURPOSE: A sewer inlet of a bathroom drain system laid on the floor is provided to prevent bad smell, which enters a sewer inlet body through a discharge connection part, from flowing back toward a bathroom through an intake connection part. CONSTITUTION: A sewer inlet of a bathroom drain system laid on the floor comprises a drainage connection part(120) which is formed on the top of a box-type sewer inlet body, a plurality of intake connection parts(130) and a discharge connection part which are formed on the periphery of the sewer inlet body, a reservoir part which is formed in the lower side of the sewer inlet body, and a diaphragm which is formed in the discharge connection part inside the sewer inlet body as being dipped in the sewage filled in the reservoir part and separate from the inner bottom of the sewer inlet body. |
