Hub oil seal with pre-blocking lip opening and lining ring of automobile drive axle

The utility model relates to a hub oil seal with a pre-blocking lip opening and a lining ring of an automobile drive axle, belonging to the field of automobile parts and aiming at designing the hub oil seal with the pre-blocking lip opening and the lining ring of the automobile driving axle which facilitates arrangement of an automobile wheel-edge speed-reducing drive axle, is applicable to thin-oil lubrication and improves the reliability. The hub oil seal is characterized in that the lining ring is provided with an outer oil seal and an inner oil seal in sequence, wherein the inner oil seal is provided with an inner oil retaining ring. In the hub oil seal, the structure is simple and relatively compact, and the disassembling process is simple; the lining ring of the oil seal can reduce the possibility of damage during the transportation and installation of the lip opening of the oil seal; and the hub oil seal is applicable to thin-oil lubrication, improves the reliability, has low process requirement on a seat ring of the oil seal, is easy to arrange a wheel-edge speed reducer, is applicable to various commercial vehicles and passenger vehicles, is mainly used for the wheel-edge speed-reducing drive axle and particularly relates to an assembly of the hub oil seal of the wheel-edge speed-reducing drive axle.