Shaft sleeve with structure for preventing foreign objects from entering

The utility model discloses a shaft sleeve with a structure for preventing foreign objects from entering, which comprises a shaft sleeve main body, connecting grooves are arranged on both sides of the shaft sleeve main body, sealing rings are fixedly connected inside the connecting grooves, one side of each sealing ring is fixedly connected with a connecting ring, and the other side of each sealing ring is fixedly connected with a sealing ring. A plurality of storage grooves are formed in the sides, away from the sealing rings, of the connecting rings, fans are fixedly connected into the storage grooves, threaded rings are connected to the two sides of the shaft sleeve body in a threaded mode, and material blocking rings are fixedly connected to the sides, away from the shaft sleeve body, of the threaded rings. The sealing ring, the connecting plate, the fans, the striker plate and the like are adopted, the multiple fans are arranged on the shaft sleeve body at equal intervals through the connecting plate, so