Integrated self-locking nut

The invention discloses an integrated self-locking nut, and particularly relates to the technical field of self-locking nuts, the integrated self-locking nut comprises a body, a threaded hole is formed in the body, a limiting groove is formed in the right end of the body, five clamping grooves are formed in the right part of the body at equal intervals, and two mounting rings are fixedly connected in the left end and the right end of the limiting groove. By rotating a rotary knob, when a threaded hole is in threaded fastening connection with a bolt or a screw rod, a stepped barrel is driven to rotate, so that a gear barrel rotates, the outer wall of the gear barrel is in meshing transmission with five sector gears, the sector gears rotate around a fulcrum shaft, a support rotationally extends out of the space between two mounting rings, a clamping block extends out, and the clamping block is in sliding clamping connection with a clamping groove; the anti-loosening nut has the advantages of being simple in str