Drainage pipe assembly and household appliance

The utility model provides a drain pipe assembly and a household appliance. The drain pipe assembly comprises an inner pipe and a connector, the connector is welded to the extending end of the inner pipe, and a channel is formed in the connector. The joint is formed by an elastic material; the channel comprises a welding part and an inserting part which are sequentially arranged in the penetrating direction of the channel. The inner pipe is welded on the inner wall surface of the welding part; and the inner wall surface of the inserting part is a sealing matching surface. Each household appliance comprises the drainage pipe assembly, the butt joint plug at the drainage port of the household appliance is inserted into the insertion part of the drainage pipe assembly, and the butt joint plug is matched with the sealing matching surface. The problem of gaps among the inner pipe, the connector and the butt joint plug is solved, the structure is simplified, machining is easy, butt joint between the connector and t