Detachable draining structure

The utility model discloses a detachable draining structure which comprises an upper draining pipe and a lower draining pipe, wherein the upper draining pipe comprises a three-way main body; the bottom of the three-way main body is in screw joint with a bottom cover; the top of the three-way main body is in screw joint with a top cover provided with an open pore in the middle; a sealing sleeve is adhered in the open pore; the upper draining pipe comprises a main draining body and a draining connection pipe; the draining connection pipe is spirally connected with the main draining body; the straight pipe part of the draining connection pipe is inserted into the sealing sleeve and matched with the sealing sleeve. The draining structure disclosed by the utility model can be maintained and replaced by being disassembled and assembled and is environment-friendly and energy-saving.