House anti-leakage drainage device

The utility model discloses a house anti-leakage drainage device which comprises a drainage pipe, the top of the drainage pipe is fixedly connected with a water inlet head, the outer wall of the water inlet head is fixedly connected with a mounting block, the outer wall of the mounting block is provided with a mounting hole, the inner wall of the water inlet head is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with a water outlet. The top of the fixing rod is fixedly connected with a limiting block, the outer wall of the fixing rod is movably connected with a reset spring, the top of the reset spring is fixedly connected with a movable sieve plate, the bottom of the movable sieve plate is fixedly connected with a fixing shaft, and the inner wall of the fixing shaft is fixedly connected with a volute spiral spring. According to the device, the screening function is achieved, so that the situation that blockage is easily caused by sundries during drainage is reduced, automatic dr