Pipeline joint

The utility model relates to a pipeline joint. Wherein the main flow pipe is vertically welded with the tee joint, the shunt pipe is horizontally welded with the tee joint, the connecting pieces are respectively arranged at openings of the main flow pipe and the shunt pipe and are used for connecting an external water pipe, and a shock absorption dredging device and a fixing piece for fixing the shock absorption dredging device are arranged in the main flow pipe; the damping dredging device comprises a first filter screen, a first adsorption layer, a second filter screen, a second adsorption layer and an elastic damping piece which are sequentially arranged in the main flow pipe from the water inlet end to the water outlet end; a buffer device is arranged in the middle of the bottom of thetee; the buffer device is arranged in a convex shape towards the opening of the main flow pipe; meshes of the first filter screen and meshes of the second filter screen are sequentially arranged fromlarge to small. The pipel