CN2528839Y

CN2528839Y - Anti-theft cylinder lock and its key

Info

Publication number: CN2528839Y
Application number: CN 01254054
Authority: CN
Inventors: 胡小良
Original assignee: Ningbo Yongfa Group Co Ltd
Current assignee: Ningbo Yongfa Group Co Ltd
Priority date: 2001-09-30
Filing date: 2001-09-30
Publication date: 2003-01-01
Anticipated expiration: 2011-09-30

Abstract

The utility model relates to an anti-theft cylinder lock and its key. The utility model comprises a lock body and a master in the lock body; wherein a master hole is arranged at center of the master, and an inner wall of the master hole and corresponding position of the lock body are provided with a cylinder hole and a cylinder stored in the cylinder hole. The utility model is characterized in that an end face of the master is provided with a toggle slot; the master hole is a cylindrical through hole, and the cylinder hole on the master is arranged on a circular inner wall of the master hole in a shape of a curve. Correspondingly, a key utilized to unlock the anti-theft cylinder lock is shaped as a cylinder approximately, and a head of the key is shaped as a cone approximately to guide the key when inserted into the master. A draw tooth capable of being inserted into the toggle slot of the master is arranged at root of the key, and a pit corresponding to the cylinder of the master is arranged on a cylindrical circumference of the draw tooth. Compared with the prior art, as the master hole of the utility model is a through hole, when technical unlocking the lock by an electric drill, the lock can not be opened because the bit skids and runs idle in the master hole. Meanwhile, circular curve arrangement of the cylinder greatly increase quantity of keys, and setting of the magnetic cylinder greatly strengthens the anti-theft function.

Description

A kind of antitheft sylinder and key thereof

Technical field

The utility model relates to a kind of cylinder lock, particularly a kind of antitheft sylinder.

Background technology

The lock core hole of existing cylinder lock is generally flat hole, cross bore or threaded hole, and the shape of key also matches with it, and owing to pellet shot from a slingshot can only be arranged in the hole wall of lock core hole, so its size of key is limited, the mutual opening rate height; On the other hand, existing lock core hole is a blind hole, and therefore being utilized electric drill easily carries out technical unlocking.

Summary of the invention

Technical problem to be solved in the utility model is antitheft sylinder and the key thereof how a kind of high key amount is provided.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: antitheft sylinder comprises lock body and is positioned at its lock core, lock core central authorities have lock core hole, the inwall of lock core hole and corresponding lock body position are provided with the pellet shot from a slingshot hole and hold wherein pellet shot from a slingshot, it is characterized in that described lock core has allocating slot on end face, described lock core hole is a cylindrical hole, and described lock core marble hole is opened in the circumferential inner wall of lock core hole and curved arrangement.

For further strengthening theftproof performance, also can on described lock core hole outer circumferential walls, have a magnetic bullet hole at least, and also have with it to straight magnetic bullet hole in the corresponding position of lock body, be provided with a magnetic bullet that can be free to slide therein at each in to the pellet shot from a slingshot hole, bury a polarity underground in the inner in the magnetic bullet hole of described lock core simultaneously and arrange the magnetic sheet identical with magnetic bullet.

Accordingly, the key that is used for opening described antitheft sylinder roughly is cylindrical shape, and it is cone-shaped that its head roughly is, and leads when being used for inserting lock core, its root has a moving tooth that can insert the allocating slot of described lock core, and its cylinder side face is provided with the pit corresponding with the pellet shot from a slingshot of lock core.

For the lock core that is provided with magnetic bullet, then be embedded with polarity and arrange the magnetic sheet opposite with magnetic bullet in the corresponding position of key.In key inserted lock core hole, the magnetic sheet and the magnetic bullet that are embedded in the key repelled each other, and the magnetic bullet that magnetic sheet attracted that originally is embedded in the lock core is pushed in the magnetic bullet hole of lock body, thereby remove the locking of this magnetic bullet to lock core and lock body.

Compared with prior art, because lock core hole of the present utility model is a through hole, therefore when capable technical unlocking is crept in electricity consumption, can can't open because of drill bit skid in lock core hole, the circular order of pellet shot from a slingshot is arranged and has been increased size of key greatly simultaneously, as add the setting of magnetic bullet, its theftproof performance is strengthened greatly.

Description of drawings

Fig. 1 is the structural representation (analysing and observe) of the utility model embodiment

Fig. 2 is the upward view (broken section) of Fig. 1.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1 and Figure 2, antitheft sylinder comprises lock body 2 and is positioned at its lock core 1, lock core 1 central authorities have lock core hole 11, it is a cylindrical hole, the inwall of lock core hole 11 and corresponding lock body position are provided with along the pellet shot from a slingshot hole of lock core hole circumferential inner wall curved arrangement and hold wherein pellet shot from a slingshot 12, and described lock core has allocating slot 13 on end face;

At least have a magnetic bullet hole on described lock core hole 11 outer circumferential walls, and also have with it to straight magnetic bullet hole in the corresponding position of lock body, be provided with a magnetic bullet that can be free to slide therein 21 at each in to the pellet shot from a slingshot hole, bury a polarity simultaneously in the inner in the magnetic bullet hole of described lock core underground and arrange the magnetic sheet 14 identical with magnetic bullet 21; 3 is anti-drilling sheet among the figure;

Accordingly, the key 4 that is used for opening described antitheft sylinder roughly is cylindrical shape, it is cone-shaped that its head roughly is, lead when being used for inserting lock core, its root has a moving tooth 41 that can insert the allocating slot 13 of described lock core, its cylinder side face is provided with the pit corresponding with the pellet shot from a slingshot of lock core 42, and is embedded with polarity in the position of corresponding magnetic bullet 21 and arranges the magnetic sheet 43 opposite with magnetic bullet 21.

During use, key 4 inserts in the lock core hole 11, the magnetic sheet 43 that is embedded in the key repels each other with magnetic bullet 21, and the magnetic bullet 21 that the magnetic sheet 14 that originally is embedded in the lock core 1 is attracted pushes in the magnetic bullet hole of lock body, thereby removes the locking of 21 pairs of lock cores of this magnetic bullet and lock body; Simultaneously, the pit 42 on the key 4 outwards pushes up the non magnetic pellet shot from a slingshot 12 of correspondence, and makes its outer end concordant on the interface of lock core 1 and lock body 2, this moment key 4, can drive lock core 1 relative lock body 2 rotations, the locking bar that is fixed as one with lock core 1 also rotates thereupon, the beginning unlocking action.

Claims

1, a kind of antitheft sylinder, comprise lock body and the lock core that is positioned at it, lock core central authorities have lock core hole, the inwall of lock core hole and corresponding lock body position are provided with the pellet shot from a slingshot hole and hold wherein pellet shot from a slingshot, it is characterized in that described lock core has allocating slot on end face, described lock core hole is a cylindrical hole, and described lock core marble hole is opened in the circumferential inner wall of lock core hole and curved arrangement.

2, antitheft sylinder according to claim 2, it is characterized in that on described lock core hole outer circumferential walls, having at least a magnetic bullet hole, and also have with it to straight magnetic bullet hole in the corresponding position of lock body, be provided with a magnetic bullet that can be free to slide therein at each in to the pellet shot from a slingshot hole, bury a polarity underground in the inner in the magnetic bullet hole of described lock core simultaneously and arrange the magnetic sheet identical with magnetic bullet.

3, a kind of being exclusively used in opened the key of antitheft sylinder according to claim 1, it is characterized in that it roughly is cylindrical shape, it is cone-shaped that its head roughly is, and its root has a moving tooth that can insert the allocating slot of described lock core, and its cylinder side face is provided with the pit corresponding with the pellet shot from a slingshot of lock core.

4, a kind of key that is exclusively used in unlatching as antitheft sylinder as described in the claim 2, it is characterized in that it roughly is cylindrical shape, it is cone-shaped that its head roughly is, its root has a moving tooth that can insert the allocating slot of described lock core, its cylinder side face is provided with the pit corresponding with the pellet shot from a slingshot of lock core, arranges the magnetic sheet opposite with magnetic bullet and be embedded with polarity at the magnetic bullet place of corresponding lock core.