Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Helical gear-rack type directional coded anti-theft lock with lock cylinder for door
The invention provides a helical gear-rack type directional coded anti-theft lock with a lock cylinder for a door. The anti-theft lock is designed with a base plate with two side edges; the lock cylinder is mounted on the base plate; a side locking piece is designed; a frame is arranged; rotating pins are fixed on the two sides of the lower end of the frame and in slide fit with the two sides of the base plate, and can be reversed. An upper fixed block, a lower fixed block and inner inserts are arranged in the frame; a plurality of through holes are formed in the upper fixed block; a plurality of rotatable helical gears are mounted on the inner inserts; one half face of each helical gear is provided with teeth, while the other half face of the helical gear is toothless; helical gears correspond to helical racks in direction and divided into left-handed gears and right-handed gears; a group of irregular digitals are formed on the toothless circumferential surface of the other half part of each helical gear; line marks are formed on the intermittent planes of through holes of the upper fixed block; the helical racks go into the flat blind holes by about 3mm. The helical gear-and-rack type directional coded antitheft lock with the lock cylinder for the door is provided with changeable codes; the lock cylinder does not need to be changed frequently and only locking codes and unlocking codes need to be remembered; the anti-theft lock is firm and durable, pickproof and sawing-resistant, and convenient, safe and reliable to use, has a dual-lock function and is safer.
Helical gear-rack type directional coded anti-theft lock with lock cylinder for door
The invention provides a helical gear-rack type directional coded anti-theft lock with a lock cylinder for a door. The anti-theft lock is designed with a base plate with two side edges; the lock cylinder is mounted on the base plate; a side locking piece is designed; a frame is arranged; rotating pins are fixed on the two sides of the lower end of the frame and in slide fit with the two sides of the base plate, and can be reversed. An upper fixed block, a lower fixed block and inner inserts are arranged in the frame; a plurality of through holes are formed in the upper fixed block; a plurality of rotatable helical gears are mounted on the inner inserts; one half face of each helical gear is provided with teeth, while the other half face of the helical gear is toothless; helical gears correspond to helical racks in direction and divided into left-handed gears and right-handed gears; a group of irregular digitals are formed on the toothless circumferential surface of the other half part of each helical gear; line marks are formed on the intermittent planes of through holes of the upper fixed block; the helical racks go into the flat blind holes by about 3mm. The helical gear-and-rack type directional coded antitheft lock with the lock cylinder for the door is provided with changeable codes; the lock cylinder does not need to be changed frequently and only locking codes and unlocking codes need to be remembered; the anti-theft lock is firm and durable, pickproof and sawing-resistant, and convenient, safe and reliable to use, has a dual-lock function and is safer.
Helical gear-rack type directional coded anti-theft lock with lock cylinder for door
LU SHAOZHANG (Autor:in)
15.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser
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