Washing machine belt pulley with detachable center hole

The utility model relates to the technical field of washing machine belt pulleys, in particular to a washing machine belt pulley with a detachable center hole, which comprises a belt pulley outer ring, a plurality of groups of reinforcing ribs are arranged in the belt pulley outer ring and are circumferentially distributed by taking the center of the belt pulley outer ring as a circle center, and the inner ends of the reinforcing ribs are connected with an inner ring. The inner ring and the belt pulley outer ring are coaxial, a telescopic fixing assembly is arranged in the inner ring, a clamping assembly is arranged between the telescopic fixing assembly and the reinforcing ribs for limiting and fixing, a center hole is formed in the center of the telescopic fixing assembly, and the center hole and the belt pulley outer ring are coaxial. The belt pulley has the beneficial effects that the original fixed central shaft hole is changed into the detachable central shaft hole by arranging the telescopic fixing ass