| 摘要 |
The present invention relates to a drainage trap to block odor and prevent backflow, and more specifically, to a drainage trap to block odor and prevent backflow, capable of effectively preventing odor from being diffused, and preventing backflow of sewage in a drainage connected to a sewage pipe of a sink, a bathroom, a multipurpose room and so on in a house. According to the present invention, the drainage trap comprises: an odor blocking tool installed in an upper body; and a pair of opening/closing plates installed in a lower body. The upper and the lower body are placed in an upper and a lower part, so as to be combined as one body. According to the present invention, odor is blocked twice in the odor blocking tool of the upper body and the opening/closing plate of the lower body, and a backflow is effectively blocked in the opening/closing plate of the lower body, so use convenience is provided. |
