A mechanical lock capable of intercepting a keyhole

By introducing an interception mechanism and a perforation structure into the lock, the problem of insufficient anti-theft performance of existing locks is solved, achieving higher anti-theft performance and reducing manufacturing difficulty and cost.

CN122407007APending Publication Date: 2026-07-17XIAMEN TIANGONG INNOVATION TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAMEN TIANGONG INNOVATION TECH DEV CO LTD
Filing Date
2025-01-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing locks have insufficient anti-theft performance in terms of preventing technical unlocking, and are difficult and costly to manufacture.

Method used

A mechanical lock is designed, comprising a lock head body, a lock cylinder, and a key. An interception mechanism is configured on the lock cylinder. The key has a perforated structure. The interception mechanism can extend into the perforated structure of the key to block non-matching keys or foreign objects from entering the keyhole. The lock is unlocked by password through the linkage of a trigger mechanism and the interception mechanism.

Benefits of technology

It improves the anti-theft performance of locks, while reducing the difficulty and cost of manufacturing parts, enhancing the security of keys, and preventing non-matching keys or foreign objects from entering the keyhole.

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Abstract

本发明公开了一种能够拦截锁孔的机械锁,包括锁头体、锁芯和钥匙;所述锁芯设有钥匙孔;还包括配置在锁芯的钥匙孔内并可向钥匙方向移动的至少一个拦截机构;所述钥匙设有漏空结构,当拦截机构伸向所述钥匙时,所述拦截机构伸出并进入所述钥匙的漏空结构中,从而阻挡非配套钥匙或其它异物深入钥匙孔内部。本发明的这种结构,可防止非配套钥匙进入所述钥匙孔内部,使锁具的防盗性能得到了进一步的提升。
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