Muddy-water-proof axle oil seal

The utility model relates to a muddy water-proof axle oil seal, which belongs to the technical field of axle oil seals, and has the technical scheme that the muddy water-proof axle oil seal comprises an inner oil seal and an outer oil seal, the inner oil seal comprises an inner rubber body and an inner framework embedded and fixed with the inner rubber body, and an inner sealing lip is arranged on the inner rubber body; the outer oil seal comprises an outer rubber body and an outer framework embedded and fixed with the outer rubber body, and the outer rubber body is provided with an outer sealing lip; the inner framework is in interference fit with the outer sealing lip, the outer sealing lip comprises a main lip opening and an auxiliary lip opening, and a sealing cavity for containing lubricating grease is formed between the main lip opening and the auxiliary lip opening; the end part of the inner framework is detachably connected with a dust cover; a mounting hole for the assembly shaft to penetrate through