Drop-proof special-shaped wheel for elevator guide rail

The utility model discloses a drop-proof special-shaped wheel for an elevator guide rail. The drop-proof special-shaped wheel comprises an adjusting wheel axle, a drop-proof tongue piece, a lining and an outer ring, wherein the front end of the adjusting wheel axle is an installation end, the lining is fixed on the adjusting wheel axle, the outer ring sleeves the lining, the lower part of the drop-proof tongue piece is fixed on a tail end of the adjusting wheel axle, the upper part of the drop-proof tongue piece stretches backwards and upwards to form a baffle plate, and a gap is disposed between the baffle plate and the outer ring. The drop-proof special-shaped wheel provided by the utility model is simple in structure and high in working stability, benefits in product assembly and after-sale maintenance are well promoted, and technical problems of poor stability and high assembly technique requirements in a drop-proof part of an elevator are well solved.