Direct insertion type mechanical anti-theft lock

Abstract

The invention relates to a direct insertion type mechanical anti-theft lock, comprising a lock body and a lock core which is arranged in the lock body and capable of rotating in the lock body. The lock body is provided with an opening; the upper end face of the lock core is exposed out of the opening; the lower end surface of the lock core is contacted with the inner end surface of the lock body; a plurality of upper marble holes are arranged on the lock core; the upper marble holes are axial through holes; the lock body is internally provided with lower marble holes which are axial blind holes; an opening of the blind hole is positioned on the inner end surface of the lock body; the position of the lower marble hole corresponds to the position of the upper marble hole of the lock core; upper marbles are positioned in the upper marble hole; lower marbles are positioned in the lower marble hole; and an elastic resetting piece is arranged between the lower marbles and the blind end of the lower marble hole. The direct insertion type mechanical anti-theft lock disclosed by the invention has the advantages of good anti-theft property, simple structure, low cost and good market prospect.

Description

technical field [0001] The invention relates to an in-line mechanical anti-theft lock. Background technique [0002] In the field of anti-theft locks, traditional pin locks have been reduced to low-end products due to their poor anti-theft performance. And the superior electronic lock of anti-theft performance can not be widely popularized because of the high price. The market needs an anti-theft lock with superior anti-theft performance and low price. Chinese patent CN1789645 discloses a kind of in-line mechanical anti-theft lock with good anti-theft performance and its matching key. The key of the lock is provided with a number of axially protruding push rods. The push rods are inserted into the lock to drive the push rod and the clamp rod in the lock to move axially. When the cut-off points of the lock cylinder and the lock body are on the same plane, the lockset is opened. The above-mentioned patent anti-theft performance is superior, but the structure is relatively ...

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Problems solved by technology

The anti-theft performance of the above patent is superior, but the structure is relatively complicated

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