Hub bolt convenient to fasten and disassemble

The utility model provides a hub bolt convenient to fasten and disassemble, and belongs to the technical field of hub bolts. The hub bolt comprises an outer bolt head, a screw rod is installed at the top of the outer bolt head, a threaded groove is formed in the outer side of the screw rod, a nut is installed at the top of the screw rod, fixing mechanisms convenient to fasten and detach are installed on the upper side and the lower side of the outer bolt head, and an anti-disengaging mechanism capable of improving the anti-disengaging effect is installed at the top of the screw rod. Through the arrangement of the nut, the anti-loosening groove, the inserting groove and the inserting plate, in the fixing process, the nut is connected with the threaded groove in the screw rod, then the inserting plate is inserted into the anti-loosening groove and the inner side of the inserting groove for fixing, the nut is clamped and blocked, the nut is prevented from loosening in the long-time using process, and the good an