Drainage pipeline orifice plugging device

The utility model provides a drainage pipeline orifice plugging device which comprises an annular belt arranged on the outer side of the pipe wall of a drainage pipe, a supporting plate is arranged on one side of the annular belt, a fixing plate is arranged on the other side of the annular belt, the supporting plate is connected with a turning plate and is perpendicular to the turning plate, and one side of a cover plate is connected with the end of the turning plate through a rotating shaft. A connecting plate is arranged on the side, away from the turning plate, of the cover plate and connected with the fixing plate through a connecting mechanism. The device can quickly plug the drainage pipe orifice, and is simple to operate and good in stability. 本实用新型提供一种排水管道管口封堵装置，包括设置在排水管的管壁外侧的环形带，环形带一侧设有支撑板，另一侧设有固定板，支撑板与转折板连接，支撑板与转折板垂直设置，盖板一侧通过转轴与转折板端部连接，盖板远离转折板的一侧设有连接板，连接板通过连接机构与固定板连接。该装置能够对排水管管口进行快速封堵，操作简单，稳定性好。