Outdoor buried drainage pipeline mounting structure

The utility model discloses an outdoor buried drainage pipeline installation structure which comprises a bottom plate, four connecting plates are welded to the top of the bottom plate, a top plate is movably arranged at the tops of the connecting plates, a limiting mechanism is arranged in an inner cavity of the top plate, and the limiting mechanism is connected with the bottom plate. A pipeline body is movably connected to the side, opposite to the bottom plate, of the top plate, and a mounting mechanism is arranged in an inner cavity of the top plate. Through cooperation of the first mounting groove, the movable groove, the threaded rod, the first gear, the second gear, the threaded block and the mounting hole, a pipeline can be conveniently mounted, and if the pipeline needs to be dismounted, the pipeline can be conveniently dismounted; and through cooperation of a second mounting groove, a first spring, a limiting clamping block, an anti-skid pad, a second spring, a connecting cylinder, a limiting groove