The utility model relates to a mine equipment accessory especially discloses an abnormal shape closing device. The utility model discloses a technical scheme do: an abnormal shape closing device, includes the inlet wire pipe and wears cable in the inlet wire pipe, inlet wire pipe one end is equipped with the end cover, and inside the packing has rubber seal, the cable passes rubber seal, it compresses tightly the retaining ring to be provided with the abnormal shape between end cover and the rubber seal, the abnormal shape compresses tightly the retaining ring and is the ring form, and its contact surface with rubber seal is equipped with a plurality of circular cone wedges. The utility model has the characteristics of the leakproofness is good, easy dismounting.