Anti-overflow control part for drum washing machine

The utility model discloses an anti-overflow control part for a drum washing machine. The anti-overflow control part is characterized in that a fixed outer ring for connecting a water inlet port of an outer barrel of the drum washing machine, and the fixed outer ring and the water inlet port are matched in interference fit; a soft elastic anti-overflow shield adopting a semi-spherical structure is arranged on an inner port of the fixed outer ring, which faces towards the outer barrel, and protrudes towards direction of an outer port of the fixed outer ring, and a water injection port or water injection hole is formed in the edge of the inner port of the fixed outer ring; the inner wall of the fixed outer ring, which is close to the outer port, is provided with an annular anti-overflow lip-shaped part matched with the anti-overflow shield; and when being pressed by liquid in the outer barrel to bulge outwards, the anti-flow shield is tightly in contact with the annular anti-overflow lip-shaped part to form liq