Prevent odor returning sewer pipe fitting

The utility model discloses a prevent odor returning sewer pipe fitting belongs to the sewer pipe field for prevent the foul smell odor returning in the sewage pipes, it includes the body, still includes the threaded connection end, and the slope that is alpha with horizontal angle exports, and contained angle alpha's angle scope is 30~90, be stamped the baffle in the slope export, baffle and body swing joint. In view of above -mentioned technical scheme, the utility model discloses can realize that the sewer prevents the purpose that the stink overflows with secret blowdown pipe network when being connected, low in manufacturing cost in addition, the live time is long, is convenient for safeguard. 本实用新型公开了种防反味下水道管件，属于下水管道领域，用于防止排污管道内的臭气反味，其包括本体，还包括螺纹连接端，与水平面夹角为α的倾斜出口，夹角α的角度范围为30°～90°；所述倾斜出口上盖有挡板，所述挡板与本体活动连接。鉴于上述技术方案，本实用新型能够实现下水道与地下排污管网连接时防止臭味溢出的目的，而且制造成本低，使用时间长，便于维护。