Oil seal disassembling structure for speed reducer

The utility model discloses an oil seal disassembling structure for a speed reducer. The oil seal disassembling structure for the speed reducer comprises a transparent cover, an oil seal, hexagonal head bolts and an input shaft. The oil seal is arranged on the outer wall of the input shaft in a sleeved mode and penetrates through a center hole of the transparent cover, an inner ring and an outer ring of the oil seal are in close contact with the input shaft and the transparent cover respectively, and a set of hexagonal head bolts penetrate through the end face of the transparent cover and abut against the oil seal. According to the oil seal disassembling structure for the speed reducer, threaded holes are additionally formed in the transparent cover, the hexagonal head bolts are screwed, so that the oil seal is ejected out of the transparent cover, the oil seal can be prevented from being pulled to be broken or the transparent cover can be prevented from being damaged when the oil seal is disassembled, the oi