Lock body rotating lock cylinder and special key

Abstract

The invention discloses a lock body rotating lock cylinder and a special key. The lock body rotating lock cylinder comprises a shell, a lock cylinder, an unlocking insertion plate, springs and balls. The lock body rotating lock cylinder is characterized in that: the key hole in the lock cylinder is a round hole, the lock cylinder is fixed together with the shell, a net grain jacket and a rotating lock body are arranged between the shell and the lock cylinder, the unlocking insertion plate is connected with the rotating lock body through a lock body butting plate, a through hole for rotating the net grain jacket is formed on the circumference of the shell, the springs and the balls are arranged in ball holes of the rotating lock body and the lock cylinder, the springs and the balls are radially arranged in columns in the lock cylinder and the rotating lock body, and the balls of each column are axially staggered. The special key comprises a handle and a key rod, the key rod is cylindrical, and the key rod is provided with pits matched with the balls. The invention has the advantages that: the key hole is the round hole, and the balls are not arranged in columns in the axial direction, so the lock cylinder has strong pickproof capacity, cannot be opened without the special key, can be safely and reliably used and has wide application range.

Description

technical field [0001] The invention belongs to a lockset, in particular to a lock body rotary lock cylinder and a special key. Background technique [0002] Lock is an indispensable appliance for thousands of households and all walks of life, and it plays an important role in protecting the safety of family or national property. The core component of the lock is the lock cylinder, and the anti-theft performance of the lock cylinder is the key indicator of the lock. Existing lock core mainly is made of lock body, lock core, unlocking plate, spring and pin, and unlocking plate is fixed on the front end of lock core, and lock core is installed in lock body, and can rotate therein, and has in lock core The keyhole, the cross section of the keyhole is in-line or cross-shaped, and the spring and the pin are installed in the pin hole of the lock body and the lock core. The most important problem that this kind of lock cylinder exists is exactly anti-theft performance is poor, an...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the problems of poor anti-theft performance and unreliable use of existing lock cylinders, and provide a lock body rotary lock cylinder and special key with good anti-theft performance and safe and reliable use.

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