Waterproof rubber sleeve for motor

The utility model discloses a waterproof rubber sleeve for a motor, which comprises a cylinder body with two open ends, a cylinder body through hole is axially arranged in the cylinder body, a motor front cover sleeving groove is annularly arranged on the inner wall of the first end of the cylinder body, and a fly water cover sleeving groove is annularly arranged on the inner wall of the second end of the cylinder body. The motor front cover sleeving groove, the fly water cover sleeving groove and the cylinder body through hole are concentrically arranged and are communicated with the cylinder body through hole; a conical water retaining ring is formed at the second end of the barrel, the diameter of an inner hole in the free end of the conical water retaining ring is smaller than that of an inner hole in the other end of the conical water retaining ring, at least one liquid discharging device is arranged on the outer wall of the conical water retaining ring, and the liquid discharging device is communicated