CN2786249Y - Safety anti-theft lock - Google Patents

Abstract

The utility model relates to the field of locks, particularly a safety theft-proof lock. The utility model comprises a lock body of which the interior is provided with a lock core matched with the lock body; the front end of the lock core is connected with a lock bolt extended into an outer lock body. The utility model is characterized in that the lock core is composed of a front and a rear sections of lock cores. As the lock core adopts the structure of the front and the rear sections of the lock cores, only the front section of the lock core can be pried by a common unlocking tool, and the rear section of the lock core can not be pried; when the front section of the lock core rotates correspondingly to the lock body, as the rear section of the lock core is not pried apart, the rear section of the lock core can not rotate, and accordingly, the lock can not be unlocked. The utility model has the advantages of good theft-proof effect, high safety performance, etc.

Description

A kind of safety anti-theft lock

Technical field

The utility model relates to the lock field, is a kind of safety anti-theft lock.

Background technology

Existing lock all is the monolock cored structure, for being engaged in lock Industry Personnel or robber, without this lock private key, uses general unlocking tool, and just can pry open lock within a short period of time, and therefore, anti-theft effect is poor, exists unsafe factor.

Summary of the invention

The purpose of this utility model is, prior art is improved, and a kind of safety anti-theft lock is provided.

The purpose of this utility model is realized by following technical scheme: a kind of safety anti-theft lock, it comprises lock body, be built-in with the lock core that matches with lock body at lock body, the front end of lock core be connected with stretch into outside dead bolt in the lock body, its special character is that described lock core is made up of forward and backward two-phase lock core.

A kind of safety anti-theft lock of the present utility model is with the phase-locked ratio of existing monolock core, because lock core adopts forward and backward two-phase lock cored structure, use general unlocking tool can only pry open the leading portion lock core, and prize less than the back segment lock core, the leading portion lock core is when lock body rotates, owing to fail to pry open the back segment lock core, the back segment lock core does not still rotate, so lock still can not be opened, and has good anti-theft effect, the security performance advantages of higher.

Description of drawings

Fig. 1 is a kind of safe antitheft lock construction cross-sectional schematic.

Among the figure: 1 lock housing, 2 anti-drilling catch, lock core before 3 lock cores, 3a, 3b rear lock core, 4 pellets shot from a slingshot, 5 dead bolts, 6 junction plates, 7 spacer pins, 8 outer lock bodies, 9 key sockets, 10 lock bodies.

The specific embodiment

Utilize drawings and Examples that the utility model is further described below.

With reference to Fig. 1, a kind of safety anti-theft lock has lock body 10, be built-in with the lock core 3 that matches with lock body 10 at lock body 10, in lock body 10 and lock core 3, be equipped with several pellets shot from a slingshot 4, before lock core 3 is, back two-phase lock core 3a, 3b, before, back two-phase lock core 3a, 3b is loaded on lock body 10 desired locations by spacer pin 7 separately, before making, back two-phase lock core 3a, 3b can only rotate by dead axle relative to lock body 10, the front end of back segment lock core 3b be connected with stretch into outside dead bolt 5 in the lock body 8, lock body 10 is installed in the lock housing 1, lock body 10 is connected with junction plate 6, in the lower surface of lock body 10, be positioned at key socket 9 places and be equipped with anti-drilling catch 2.

Claims (1)

1. safety anti-theft lock, it comprises lock body, is built-in with the lock core that matches with lock body at lock body, the front end of lock core be connected with stretch into outside dead bolt in the lock body, it is characterized in that: described lock core is made up of forward and backward two-phase lock core.

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