Double-lock-cylinder anti-theft lock

Abstract

The invention belongs to the field of locks, in particular to a double lock cylinder anti-theft lock. It includes a lock body, a lock cylinder and a key. The lock cylinder includes a lock cylinder frame, an inner lock cylinder, an outer lock cylinder and a positioning pin. The inner lock cylinder is composed of a core body, a lock tongue on the upper part of the core body and a core on the lower part of the core body. There is a positioning groove around the core body, and a positioning pit is opened in the positioning groove. One end of the positioning pin is flat, and the other end is spherical. One end of the outer lock cylinder is a continuous concave-convex sine wave surface corresponding to the lower end surface of the core body, and the other end is connected to the lock frame through pads and springs. There are 1‑5 lock spring channels on the outer lock cylinder; A groove corresponding to the shape of the core is provided along the peripheral surface of the key with key teeth corresponding to the channel of the lock spring. This double-cylinder anti-theft lock has reasonable structure, high encryption degree, safety and reliability, and is an updated product of the open lock and built-in lock with low encryption degree currently on the market.

Description

technical field [0001] The invention belongs to the field of locks, in particular to a double lock cylinder anti-theft lock. Background technique [0002] Locks are indispensable in people's daily life. There are various types of locks, such as open locks, hidden locks, combination locks, etc. The safety of the lock is very important. Some open locks and built-in locks used today have only one row of lock springs, corresponding to the key. There is only one row of key teeth, which has a simple structure, low encryption, and low security, while the combination lock has high encryption and high security, but it is expensive and unacceptable to ordinary people. Contents of the invention [0003] The object of the present invention is to provide a dual lock cylinder anti-theft lock with reasonable structure, high safety and reasonable price. [0004] According to the double lock cylinder anti-theft lock of the present invention, comprise lock body, lock core and key, it is ...

AI Technical Summary

Problems solved by technology

[0002] Locks are indispensable in people's daily life. There are various types of locks, such as open locks, hidden locks, combination locks, etc. The safety of the lock is very important. Some open locks and built-in locks used today have only one row of lock springs, corresponding to the key. There is only one row of key teeth, the structure is simple, the degree of encryption is low, and the security is low, while the combination lock has high degree of encryption and high security, but it is expensive, and it is difficult for ordinary people to accept

Images