Anti-theft lock

Abstract

The invention discloses an anti-theft lock. The anti-theft lock comprises a handle, an opening body, a limiting sliding block, a lock core and a lock body. A rotating shaft used for connecting the handle is arranged at one end of the opening body, and a lock core containing hole used for sleeving the lock core is arranged at the other end of the opening body; the opening body is further provided with a limiting sliding groove used for containing the limiting sliding block; coupled front limiting feet and rear limiting feet are arranged at the bottom of the limiting sliding block; a clamping block is arranged at the end, close to the handle, of the limiting sliding block; the limiting sliding groove comprises a coupled front limiting groove and a rear limiting groove; the front limiting groove is used for containing the front limiting feet, and the rear limiting groove is used for containing the rear limiting feet; and the opening body is further provided with a clamping groove. According to the anti-theft lock, anti-theft function is improved, structures such as the handle, a handle opening and lock core which are exposed outside a door plate are well protected; and the installation is convenient and quick.

Description

technical field [0001] The invention relates to the technical field of mechanical door locks, in particular to an anti-theft lock. Background technique [0002] At present, commercially available anti-theft locks all include inner and outer handles, inner and outer panels, lock cylinders, and lock body structures. Among them, the inner and outer handles are respectively socketed with the lock cylinder. When installing the anti-theft lock, the lock body structure needs to be embedded in the door panel from the side of the door panel, and then the lock cylinder is inserted into the lock body structure, and the lock cylinder is inserted from both sides of the door panel. In the inner and outer panels, the lock body structure, the lock cylinder and the inner and outer panels are assembled together, the inner and outer inner and outer panels are fixed on the inner and outer sides of the door panel by screws, and finally the inner and outer handles are connected to the lock cylind...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an anti-theft lock, which includes the above-mentioned handle mouth, so as to solve the problem that the existing anti-theft locks have bolts and other fixing mechanisms exposed on the outside of the door panel, and the anti-theft ability is insufficient. Good protection of the lock body structure on the outside of the door and other issues

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