Self-locking drill collet

The rear of the drill body is fixedly mounted, and there is a disc spring between the rolling bodies, the rolling bodies, the front end of the drill body, and the annular connecting groove, and the filament sleeve extends to the included clip. There is a drive groove and several keys on the rear end surface of the defens position after the claw, the key is installed on the locking elastic element and the drive elastic element, and the rear case is fixedly installed with a control ring, and the control ring has several driving keys and by several individuals. The convex portion and the inner concave surface, the inner wall of the front cover and the positioning bond and connecting claws. The utility model is reasonable, easy to use, self-locking performance is stable and reliable.

The characteristics of the drill body are fixedly mounted, and there is a disc spring between the rolling bodies, the rolling bodies and the drill struts. After extending to the rear end surface of the limit position including the jaw, there is a driving groove and several keys, the key is mounted with a locking elastic element and a driving elastic element, and the rear case is fixedly installed with a control ring, and the control ring has several drivers. The bond and the cam curved surface composed of several bumps and inner concave surfaces, the inner walls of the front cover and the connecting claws.