Three-dimensional code bolt-external lock
Patent Information
- Authority / Receiving Office
- CN ¡ China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ćŚćĺ
- Publication Date
- 2018-06-01
Smart Images

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Abstract
Description
technical field
[0001] The invention relates to a lock, especially a lock core with a lock code and a key code arranged in a three-dimensional space, and a lock with a bolt inserted into a screw hole. Background technique
[0002] At present, mechanical locks are mainly pin locks and blade locks with key slots. Because the processing of key slots is difficult, the material of the lock cylinder can only use low-strength brass. The existing pin lock cylinder uses an axial lock cylinder. This requires that there must be a key slot and a key handle rod, the pins are arranged in a linear arrangement, and the key teeth are also arranged in a linear manner. The concave and convex angle of the key teeth must be less than about 45 degrees to facilitate insertion into the lock cylinder, so that the longest pin and the shortest pin The differential length cannot be much larger than the diameter of the marbles, which greatly limits the number of marbles and the number of marbles, usuall...