Spiral anti-theft lock Double Tube Tri-Proof Light,Double Tube Light, Tri-Proof Light Without Tube,Double-Ended Classic Tubes Land of Lights Electric Appliance Co., LTD , https://www.loloutdoorlight.com Patent application number CN00222460.7 Patent filing date 2000.03.07 name Spiral anti-theft lock Public (announcement) number CN2410373 Public (announcement) day 2000.12.13 category Fixed building (construction, mining) Certificate day 2000.11.25 priority Application (patent) Liu Bixiong address 8-2, No. 24, Shushanyuan, Shiqiaopu, Chongqing 400041 Invention (design) person Liu Bixiong International application International publication Enter country date Patent agency Chongqing Patent Office agent Guo Yun Summary The utility model discloses a spiral anti-theft lock, which has the structural feature that the teeth on the key 8 are arranged in a spiral shape; the marble slots in the fixed lock cylinder 3 and the movable lock cylinder 7 are spiral grooves, and the key 8 The spiral teeth correspond. The lock has good anti-theft performance, and the thief or the professional unlocker cannot freely put the so-called master key tool into the lock core, and achieve the purpose of unlocking by adjusting the position of the lock core in the bullet hole. Sovereignty Claim 1. A spiral anti-theft lock, comprising a lock pin (1), a fixed snap ring (2), a fixed lock cylinder (3), a spring plug (4), a spring (5), a upper marble (6), a movable lock cylinder ( 7), the key (8) and the lower marble (9), characterized in that the teeth on the key (8) are distributed in a spiral shape; the marble grooves in the fixed lock cylinder (3) and the movable lock cylinder (7) are spiral The groove corresponds to the helical teeth of the key (8).
Spiral anti-theft lock