Lock nut locking principle

The working principle of the nut is to use the friction between the nut and the bolt for self-locking. However, the reliability of this self-locking will be reduced under dynamic load. In some important occasions, we will take some anti-loosening measures to ensure the reliability of nut locking. Among them, the use of lock nuts is one of the anti-loosening measures. Lock nuts generally rely on friction. The principle is to press into the preset holes of the sheet metal through embossing teeth. Generally, the diameter of the square preset holes is slightly smaller than that of the rivet nut. The nut is connected with the locking mechanism. When the nut is tightened, the locking mechanism locks the ruler body, and the ruler frame cannot move freely, so as to achieve the purpose of locking; when the nut is loosened, the locking mechanism disengages the ruler body, and the ruler frame moves along the The ruler moves.