PVC sewer line

The utility model discloses a PVC sewer line which structurally comprises a first filter screen frame, an upper support shell mechanism, a PVC drainage main pipe, a connecting disc, PVC drainage branch pipes, a dirt collecting mechanism and a filter cavity, and the first filter screen frame is placed inside the upper support shell mechanism. According to the utility model, the first filter screenframe is arranged, so that impurities and dirt can be filtered above the first filter screen frame and slide rightwards along with the first filter screen frame, the impurities and dirt can push the dirt isolation sealing cover to fall above the second filter screen frame, and after the impurities and dirt completely fall into the second filter screen frame, the dirt isolation sealing cover can seal the guide hole again to prevent the guide hole from falling into the second filter screen frame. When impurities and dirt are collected to a certain degree, a sealing opening of the dirt collectingmechanism is opened throu