A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a key screwing type mechanical cipher. In the unlocking process, multiple cipher keys are pressed by hand at the same time, and the keys are screwed smoothly for unlocking. The structure of the cipher is very simple, and the cipher is composed of a screwing part, a fixing part, the keys and springs. The keys are arranged in the screwing part which penetrates through the fixing part and is pressed on the fixing part with the keys, the springs act on the keys, and the key screwing type mechanical cipher is very convenient to use and can be unscrewed through pressing. Input and cost are low. The cipher can be used on an antitheft door according to different articles controlled by the cipher, one lock cylinder cover plate is controlled, a lock cylinder is protected, double safety is achieved, and the key screwing type mechanical cipher can be used on a safety cabinet to prevent the lock cylinder to form double safety, can be used on a file cabinet to serve as a file cabinet lock, can be used on an indoor door to serve as an indoor lock, and can be used on cases and bags and the like.
The invention discloses a key screwing type mechanical cipher. In the unlocking process, multiple cipher keys are pressed by hand at the same time, and the keys are screwed smoothly for unlocking. The structure of the cipher is very simple, and the cipher is composed of a screwing part, a fixing part, the keys and springs. The keys are arranged in the screwing part which penetrates through the fixing part and is pressed on the fixing part with the keys, the springs act on the keys, and the key screwing type mechanical cipher is very convenient to use and can be unscrewed through pressing. Input and cost are low. The cipher can be used on an antitheft door according to different articles controlled by the cipher, one lock cylinder cover plate is controlled, a lock cylinder is protected, double safety is achieved, and the key screwing type mechanical cipher can be used on a safety cabinet to prevent the lock cylinder to form double safety, can be used on a file cabinet to serve as a file cabinet lock, can be used on an indoor door to serve as an indoor lock, and can be used on cases and bags and the like.
Bolt screwing state judgment method, bolt screwing operation end and screwing system
| European Patent Office | 2022