CN201165784Y

CN201165784Y - Anti-theft lock core

Info

Publication number: CN201165784Y
Application number: CNU2008200083521U
Authority: CN
Inventors: 孟凡强; 杨山; 周彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-13
Filing date: 2008-03-13
Publication date: 2008-12-17
Anticipated expiration: 2018-03-13

Abstract

The utility model relates to a locking device, in particular to an anti-theft lock core, which comprises a lock core installed in the lock body, a marble and a spring installed inside the lock core; the anti-theft lock core is characterized in that the lock core installed in the lock body is formed by combining two or more than two serial lock cores. Because the lock core of the utility model are formed by combining two or more than two serial lock cores, thereby the difficulty of unlawful unlocking of the lock can be improved, and the security performance of the locking device can be effectively enhanced.

Description

Anti-theft lock

Technical field

The utility model relates to a kind of lockset, particularly a kind of anti-theft lock.

Background technology

The security performance of lockset directly has influence on the safety of family and unit.Existing cylinder lock mainly is to adopt between lock body and lock core pellet shot from a slingshot to be installed, by the relative motion between pellet shot from a slingshot restriction lock core and the lock body, when adopting with this phase-locked key unlocking of joining, the position of pellet shot from a slingshot will be in unlocking condition, and just the end face of pellet shot from a slingshot all is in the contact surface of lock core and lock body.When adopting unlocking tool to shift all pellets shot from a slingshot the contact surface of lock core and lock body onto, just can be easy to lock is illegally opened, the security performance of cylinder lock can't guarantee like this.How improving the security performance of existing cylinder lock, is the problem that people continue to solve.

Summary of the invention

The purpose of this utility model is to solve the problem that existing cylinder lock exists, and provides a kind of and can effectively prevent illegal good multicore theftproof lock and the key of opening of security performance.

For achieving the above object, the technical solution of the utility model is: a kind of anti-theft lock, comprise being installed in the lock core in the lock body and being installed in pellet shot from a slingshot and spring in the lock core that the lock core that it is characterized in that being installed in lock core in the lock body and be by two or more series connection combines.

The contact surface of two lock cores of above-mentioned series connection is the plane.

Because lock core of the present utility model is to be formed by two or more lock core tandem compounds, like this after opening first lock core by illegal means, during rotational lock core, will cause the dislocation of front and back lock core lockhole, can't continue to open second or the 3rd lock core of back, improve the anti-theft capability of lock; The second, because lock core is formed by many sections, when adopting external force to twist by force, the pellet shot from a slingshot in first section lock core can only be cut off, first section lock core rotated, and can't continue to twist off the pellet shot from a slingshot in second or the 3rd section lock core, can effectively improve the security performance of lockset.The structure that has adopted teeth groove and blind hole to combine with key that this lock core cooperates simultaneously, practical and convenient, safety is good.

Description of drawings

Accompanying drawing 1 is the structural representation of the lock of the utility model embodiment 1;

Accompanying drawing 2 is the structural representation of the utility model embodiment 2.

The specific embodiment

Embodiment 1:

As shown in Figure 1, the lock core 5 of two series connection is separately installed with two groups of pellets shot from a slingshot 3 and associated spring 2 about being equipped with in lock body 1 in the lock core of the left and right sides.When unblanking, key is inserted in the lockhole 4, just the two groups of pellets shot from a slingshot in the left and right sides in the lock core upwards can be pushed over the relevant position, key, the lock core that drives the left and right sides rotates, and the projection by the right side drives dead bolt and moves lock is opened.When illegally unblanking and since lock core be by about each lock core constitute, when the lock core of illegal rotation left side, the right side lock core is motionless, and lock can't be opened, and wants to rotate simultaneously two lock cores, its difficulty is quite big, can be described as impossiblely, has so just improved the anti-theft feature of lock.

Embodiment 2:

As shown in Figure 2, for intensity that improves lockset and the difficulty of illegally unblanking, on the basis of embodiment 1, the lock core 5 in the lock body 1 is to be composed in series by three lock cores, and all the other structures are identical with embodiment 1.

Claims

1, a kind of anti-theft lock comprises being installed in the lock core in the lock body and being installed in pellet shot from a slingshot and spring in the lock core, and the lock core that it is characterized in that being installed in lock core (5) in the lock body and be by two or more series connection combines.

2, anti-theft lock according to claim 1 is characterized in that the contact surface of two lock cores (5) of above-mentioned series connection is the plane.