CN2739302Y

CN2739302Y - Multi-core linkage anti theft ball lock

Info

Publication number: CN2739302Y
Application number: CN 200420080633
Authority: CN
Inventors: 苗凤有
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-29
Filing date: 2004-10-29
Publication date: 2005-11-09
Anticipated expiration: 2014-10-29

Abstract

The utility model relates to a multi-core linkage anti theft ball lock used to solve the problems of the existing ball locks about the poor performance of theft protection. The utility model comprises a lock core cover with a lock core hole, a lock core which is arranged in the lock core hole, a bolt moves with the rotation of the lock core, and balls as well as springs which are arranged in the hole at the radial direction of the lock core and the lock core hole. The lock core cover has an additional lock core hole, in which an additional lock core is arranged. Extra balls and holes of the springs are arranged on the radial direction of the additional external lock core and the additional lock core hole, the lock core and the additional lock core are respectively provided with a gear wheel, and the two gear wheels are engaged with each other. The two or more lock cores need to be turned synchronously that the lock can be open; even if the thief opens one of the lock cores occasionally, the other lock core is still in the locking condition; therefore, the performance of theft protection is greatly improved.

Description

Multicore interlock antitheft sylinder

Technical field

The utility model relates to a kind of cylinder lock, specifically, is a kind of multicore interlock antitheft sylinder.

Background technology

Cylinder lock is present modal a kind of lock.This lock has a lock core cover that has lock core hole, and a lock core is arranged in lock core hole, and there is keyhole at lock core middle part, radially has a hole that is built-in with pellet shot from a slingshot and spring at lock core, lock core hole; Key is inserted in the keyhole, and key promotes pellet shot from a slingshot and radially moves to a certain position, and lock core is promptly rotatable; Lock core rotates and drives the dead bolt motion, thereby makes lock open or lock.But this lock theft protection performance is bad.Now, increasing thief steals as cut modes such as lock with the iron rod picking lock, with grampus with " storming " means, but with " stealing ", the thief is after inserting keyhole with the key of ready different shape, under various states, test incessantly, utilize coupling to open lock, at present, the lock of most of motorcycle, electric bicycle, bicycle and safety cabinet, security door etc. all is to steal article after opening lock with the technological means of " stealing ".

If a lock is equipped with the lock core of a plurality of interlocks and the key that matches with these a plurality of lock cores, have only many keys are inserted in the corresponding keyhole simultaneously, the lock core of a plurality of interlocks is rotated simultaneously, just can open lock, then the theftproof performance of this lock can improve greatly.

Summary of the invention

To be solved in the utility model is the relatively poor problem of existing cylinder lock theftproof performance, and a kind of antitheft sylinder with a plurality of interlock lock cores is provided.

Multicore interlock antitheft sylinder described in the utility model, comprise that one has the lock core cover of lock core hole, lock core, a dead bolt that moves with lock core that is arranged in the lock core hole, be arranged on along pellet shot from a slingshot in the hole that the radial direction of described lock core, lock core hole has and spring, in described lock core cover, also have the another one lock core hole; In this other lock core hole, be provided with the another one lock core; Radial direction at an other outer lock core, another one lock core hole has the hole that is provided with other pellet shot from a slingshot and spring; On a described lock core and another one lock core a gear is housed respectively, these two gears are meshed.

As improvement, described two gears are directly engagement not, and they are meshed with described dead bolt respectively.

Improve as another kind, described two gears are directly engagement not, and they are meshed with the 3rd gear respectively, and the 3rd gear is arranged in the described lock core cover.

Any cylinder lock recited above, when a described lock core rotated a week, the another one lock core rotated the integer circle.Certainly, when a described lock core rotated a week, the another one lock core also can not rotate the integer circle.

Because two lock cores of the present utility model or the rotation synchronously of plural lock core just can be opened lock, even the thief has opened one of them lock core between chance, but another lock core also is in the lock state, because inside is the relation of interlock, the lock core of then opening also can't rotate, the thief just can not judge also whether this lock core has been opened, when continuing other situations of test again and miss the opportunity of opening, plural lock core is extremely low by the accidental probability of opening simultaneously, can't realize substantially at short notice.Single often carrying out when ordinary circumstance robber commits a crime, personal improper means can not be opened plural dead bolt simultaneously at short notice coincidently, and theftproof improves greatly.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is the structural representation of embodiment 2;

Fig. 3 is the structural representation of embodiment 3;

Fig. 4 is the structural representation of embodiment 5.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment 1:

Among Fig. 1, in lock core cover 1, have in 4,5, two lock core holes 4,5 of two lock core holes lock

core

2,3 is arranged respectively, all have keyhole in the

lock core

2,3, can insert in the keyhole with the

corresponding key

6,7 of keyhole.Lock core 2, lock core hole 4 radially have a hole 10, be provided with a plurality of pellets shot from a slingshot 11, spring 12 in the hole 10; Equally, lock core 3, lock core hole 5 radially have a hole 13, be provided with a plurality of pellets shot from a slingshot 14, spring 15 in the hole 13.The dead bolt (not shown) is moved (open or lock) with lock core 2.A gear 8,9 respectively is housed on

lock core

2,3, and they are meshing with each other.

If gear 8,9 is not meshed, in the keyhole that key 6 inserts on the lock core 2, lock core 2 is rotated; In the keyhole that key 7 inserts on the lock core 3, lock core 3 is rotated.But because gear 8,9 is meshed, so must insert corresponding keyhole to two

keys

6,7 respectively simultaneously, lock

core

2,3 could rotate, thereby makes the dead bolt action.

Embodiment 2:

Embodiment 2 shown in Figure 2 is changed by embodiment 1, and it has increased a gear 16 that is arranged in the lock core cover 1 on the basis of embodiment 1.Gear 8,9 is directly engagement not, and meshes with gear 16 respectively.Other structure is identical with embodiment 1.

Embodiment 3:

Embodiment 3 shown in Figure 3 is changed by embodiment 2, and it is with the difference of embodiment 2: an in addition individual lock core hole 17 in lock core cover 1, individual lock core 18 is arranged in this lock core hole 17, and on the lock core 18 keyhole is arranged; Can insert this keyhole with the corresponding key 19 of this keyhole; Radial direction at lock core 18, lock core hole 17 has the hole (not shown), is provided with a plurality of pellet shot from a slingshot (not shown)s and spring (not shown) in this hole; Gear 16 is contained on the lock core 18.

Because gear 8,16 is meshed; Gear 16,9 is meshed; So must insert three

keys

6,7,19 in the corresponding keyhole simultaneously, lock

core

2,3,18 could rotate, thereby make the dead bolt action.

Embodiment 4:

Embodiment 4 is changed by embodiment 3, and it is with the difference of embodiment 3: when lock core 2 rotates one when enclosing, lock core 3,18 rotation integer circles.

When opening or locking when lock core 2 rotations, one circle, the hole radially on the lock core hole 5,17 is just in time aimed in the hole radially on the lock core 3,18 respectively, makes the keys that insert in the lock core 3,18 all can transfer to.

Certainly, when opening or locking when lock core 2 rotations, one circle, lock core 3,18 also can not rotate the integer circle, and the hole radially on the lock core 3,18 can not be aimed at the hole radially on the lock core hole 5,17 respectively at this moment, makes the keys that insert in the lock core 3,18 not transfer to.

Embodiment 5:

A kind of cylinder lock shown in Figure 4, comprise a lock core cover 20 with two lock core holes, two lock cores 21,22 that are arranged in the lock core hole, be arranged on along pellet shot from a slingshot (not shown) in the hole that the radial direction of described lock core, lock core hole has and spring (not shown), a gear 23,24 respectively is housed on lock core 21,22, and gear 23,24 is meshed with dead bolt 25 respectively.

In the keyhole in two key (not shown)s are inserted lock core 21,22 simultaneously respectively, the gear 23,24 that lock core 21,22 can install on the lock core by cover respectively drives dead bolt 25 actions, thereby a lock is opened or locked.

More than among each embodiment, lock core, lock core hole radially have a hole, and the structure of a plurality of pellets shot from a slingshot that are provided with in this hole and spring is all identical with prior art, so describe in detail.

Claims

1. multicore interlock antitheft sylinder, comprise that one has the lock core cover of lock core hole, lock core, a dead bolt that moves with lock core that is arranged in the lock core hole, be arranged on along pellet shot from a slingshot in the hole that the radial direction of described lock core, lock core hole has and spring, it is characterized in that: in described lock core cover, also have the another one lock core hole; In this other lock core hole, be provided with the another one lock core; Radial direction at an other outer lock core, another one lock core hole has the hole that is provided with other pellet shot from a slingshot and spring; On a described lock core and another one lock core a gear is housed respectively, these two gears are meshed.

2. multicore interlock antitheft sylinder according to claim 1, it is characterized in that: described two gears are directly engagement not, and they are meshed with described dead bolt respectively.

3. multicore interlock antitheft sylinder according to claim 1, it is characterized in that: described two gears are directly engagement not, and they are meshed with the 3rd gear respectively, and the 3rd gear is arranged in the described lock core cover.

4. according to claim 1,2 or 3 described multicore interlock antitheft sylinders, it is characterized in that: when a described lock core rotated a week, the another one lock core rotated the integer circle.