Multi-channel muddy water blocking oil seal assembly

The invention provides a multi-channel muddy water blocking oil seal assembly which comprises a stator oil seal, a shaft sleeve and an outer muddy water blocking assembly which are annularly sleeved together, the shaft sleeve comprises an outer shaft sleeve, a shaft sleeve side wall and an inner shaft sleeve which are integrally arranged, a clamping groove is formed in the inner shaft sleeve and faces the outer shaft sleeve, a nylon check ring is clamped in the clamping groove, and the outer shaft sleeve is sleeved with the nylon check ring. The stator oil seal comprises a sealing supporting part, an oil seal side wall and an oil seal lip part which are integrally arranged, the sealing supporting wall is connected with an internal muddy water resisting assembly, the internal muddy water resisting assembly comprises a rubber sealing ring, a main sealing spring ring and an auxiliary sealing spring ring, and the rubber sealing ring comprises a middle clamping groove, a main sealing lip and an auxiliary sealing l