CN2571942Y

CN2571942Y - Theft-proof lock

Info

Publication number: CN2571942Y
Application number: CN 02268979
Authority: CN
Inventors: 尤电
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-16
Filing date: 2002-08-16
Publication date: 2003-09-10
Anticipated expiration: 2012-08-16

Abstract

The utility model discloses an anti-theft lock which belongs to an anti-theft lockset and relates to an anti-theft device of a lock. A lock core is arranged in the center of a lock body, and a high bulge is arranged in a lock duct in the lock core. Each cylinder hole of the lock core is aligned with each cylinder hole of the lock body, a cylinder with a pointed head, a cylinder with a flat head and a spring are arranged in each cylinder hole, and each cylinder hole is sealed by lead and aluminum. The lock duct in the lock core is bended, the wall of the lock core is thickened, teeth of a universal key can not thrust all the cylinders with pointed heads and all the cylinders with flat heads out of the lock core, and the lock core can not be rotated to achieve the purpose of theft prevention. The anti-theft lock has the effects of simple structure and convenient operation. The utility model prevents the theft by universal keys, the lock duct is convex, and each cylinder hole is sealed by lead and aluminum to achieve the purpose of theft prevention. The utility model is widely used for the theft prevention of padlocks.

Description

Theftproof lock

It is all that the utility model theftproof lock belongs to theftproof lock, relates to a kind of anti-theft device of lock.

Lock is all in the prior art, and the lock road in the lock core is long and wide, easily by unlocked by universal key; The flush end of tip pellet shot from a slingshot and lock core outer layer surface are with in one plane in the lock core, and the key lock all is unlocked; A tip pellet shot from a slingshot peace pellet shot from a slingshot is easily all driven out of lock core by master key, and lock core is rotated, and lock all is unlocked.

The purpose of the utility model theftproof lock, provide a kind of theftproof lock, it is that high projection is set in the lock road of taking in the lock core, lock core is arranged on the lock body center, each pellet shot from a slingshot hole of each pellet shot from a slingshot hole alignment lock body of lock core, a tip pellet shot from a slingshot peace pellet shot from a slingshot and spring are set in each pellet shot from a slingshot hole, and each pellet shot from a slingshot hole is sealed by plumbous aluminium, and the thickening of lock core wall reaches antitheft purpose.

The utility model theftproof lock takes following technical scheme to realize, it is to be arranged on the lock body center by lock core, high projection is set in the lock road in the lock core, each pellet shot from a slingshot hole of each pellet shot from a slingshot hole alignment lock body of lock core, a tip pellet shot from a slingshot peace pellet shot from a slingshot and spring are set in each pellet shot from a slingshot hole, each pellet shot from a slingshot hole is sealed by plumbous aluminium, and the lock road in the lock core is curved shape, the thickening of lock core wall.The tooth of master key can not all be driven a tip pellet shot from a slingshot peace pellet shot from a slingshot out of lock core, and lock core can not rotate the purpose that reaches antitheft.

The effect of the utility model theftproof lock is simple in structure, and is easy to operate, prevents the capable robber of master key, the high projection in lock road, and the thickening of lock core wall, each pellet shot from a slingshot hole is sealed by plumbous aluminium, reaches antitheft purpose, and it is antitheft to be widely used in padlock.

The utility model theftproof lock will describe in further detail in conjunction with the accompanying drawings.

Fig. 1 is the utility model anti-theft lock structure schematic diagram.

Fig. 2 is the upward view of the utility model anti-theft lock core.

The high projection of 1-lock core 2-pellet shot from a slingshot hole 3-spring 4-tip pellet shot from a slingshot 5-tack pellet shot from a slingshot 6-

With reference to Fig. 1,2, the utility model theftproof lock, it is to be arranged on the lock body center by lock core 1, high projection 6 is set in the lock road in the lock core 1, each pellet shot from a slingshot hole 2 of each pellet shot from a slingshot hole 2 alignment lock body of lock core 1, tip pellet shot from a slingshot 4 and tack pellet shot from a slingshot 5 and spring 3 are set in each pellet shot from a slingshot hole 2, each pellet shot from a slingshot hole 2 is sealed by plumbous aluminium, lock road in the lock core 1 is curved shape, the thickening of lock core wall, the tooth of master key can not all be driven tip pellet shot from a slingshot 4 and tack pellet shot from a slingshot 5 out of lock core, and lock core can not rotate the purpose that reaches antitheft.

The embodiment of the utility model theftproof lock, it is to be arranged on the lock body center by lock core 1, high projection 6 is set in the lock road in the lock core 1, each pellet shot from a slingshot hole 2 of each pellet shot from a slingshot hole 2 alignment lock body of lock core 1, tip pellet shot from a slingshot 4 and tack pellet shot from a slingshot 5 and spring 3 are set in each pellet shot from a slingshot hole 2, each pellet shot from a slingshot hole 2 is sealed by plumbous aluminium, lock road in the lock core 1 is curved shape, the thickening of lock core wall, the tooth of master key can not stir tip pellet shot from a slingshot 4 and tack pellet shot from a slingshot 5 is all driven lock core out of, and lock core can not rotate the purpose that reaches antitheft.

Claims

1, a kind of theftproof lock, it is to be arranged on the lock body center by lock core (1), it is characterized in that being provided with in the lock road in the lock core (1) high projection (6), lock road in the lock core (1) is curved shape, the thickening of lock core wall, each pellet shot from a slingshot hole (2) of each pellet shot from a slingshot hole (2) alignment lock body of lock core (1) is provided with tip pellet shot from a slingshot (4) and tack pellet shot from a slingshot (5) and spring (3) in each pellet shot from a slingshot hole (2), each pellet shot from a slingshot hole (2) is sealed by plumbous aluminium.