Pipeline plugging device and drainage pipeline with same

The pipeline plugging device comprises a shell and an air bag, the shell comprises an inner cavity defined by the shell, a water inlet and a water outlet, the water inlet and the water outlet are opposite in the axial direction of the inner cavity, and the air bag is arranged in the inner cavity. The inner cavity is communicated with the outside through the water inlet and the water outlet; at least part of the air bag is arranged in the inner cavity, the air bag comprises a first opening, the shell further comprises an air channel, one end of the air channel is communicated with the outside, and the other end of the air channel is communicated with the first opening. According to the pipeline plugging device, the labor intensity of operators can be reduced, and the pipeline plugging device has high plugging efficiency. 本实用新型提出一种管道封堵装置和具有其的排水管道，所述管道封堵装置包括：壳体和气囊，所述壳体包括其围成的内腔、进水口和出水口，所述进水口和所述出水口在所述内腔的轴向上相对，所述内腔通过所述进水口和所述出水口与外界连通；所述气囊的至少部分设在所述内腔中，所述气囊包括第一口，所述壳体还包括气体通道，所述气体通道的一端与外界连通，所述气体通道的另一端与所述第一口连通。本实用新型的管道封堵