Anti-theft lock with bending round keyhole

Abstract

The invention discloses an anti-theft lock with a bending round keyhole. The anti-theft lock comprises a lock tank and a key, wherein the lock tank comprises an outer lock tank, an intermediate lock tank and an inner lock tank; the outer lock tank consists of an outer lock body and an outer lock cylinder; the intermediate lock tank consists of an intermediate lock body and an intermediate lock cylinder; the inner lock tank consists of an inner lock body and an inner lock cylinder; the outer lock cylinder is provided with a first keyhole; the intermediate lock cylinder is provided with a second keyhole; the inner lock tank is provided with a third keyhole; a keyhole formed by the first keyhole, the second keyhole and the third keyhole is a bending keyhole; the outer lock body is connected with the intermediate lock body fixedly; the intermediate lock body is connected with the inner lock body fixedly; the outer lock cylinder is connected with the intermediate lock cylinder fixedly; the intermediate lock cylinder is connected with the inner lock cylinder fixedly; and the key is a bendable round key. Because the keyhole of the anti-theft lock with the bending round keyhole is bending, the difficulty in unlocking with a master key by a theft is increased, and the anti-theft performance of the anti-theft lock is improved.

Description

Technical field [0001] The invention relates to an anti-theft lock, in particular to an anti-theft lock with a curved round keyhole. Background technique [0002] At present, the key holes of anti-theft locks on the market are all straight, and thieves are easier to open with a master key. A kind of anti-theft lock with curved round key holes has become a need for people to improve the performance of anti-theft locks. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, to provide an anti-theft lock with a curved round keyhole, and to improve the anti-theft performance of the anti-theft lock. [0004] The technical scheme adopted in the present invention is: the curved round keyhole anti-theft lock includes a lock cylinder and a key, the lock cylinder is composed of an outer lock cylinder, a middle lock cylinder and an inner lock cylinder; the outer lock cylinder is composed of an outer lock body and an o...

AI Technical Summary

Problems solved by technology

[0002] At present, the key holes of anti-theft locks on the market are straight, and thieves are easier to open with a master key. An anti-theft lock with a curved round key hole has become a need for people to improve the performance of anti-theft locks.

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