CN201460458U

CN201460458U - Anti-theft idle lock

Info

Publication number: CN201460458U
Application number: CN200920058318XU
Authority: CN
Inventors: 黄其宏
Original assignee: 温贵文
Priority date: 2009-06-12
Filing date: 2009-06-12
Publication date: 2010-05-12
Anticipated expiration: 2019-06-12

Abstract

This utility model provides an anti-theft idle lock, which comprises a lock cylinder body, a rotating shaft and a clutch unit, wherein the clutch unit is arranged between the lock cylinder body and the rotating shaft, and the lock cylinder body can idle relative to the rotating shaft. When a right key is inserted in the lock cylinder body, the lock cylinder body and the rotating shaft are connected into a whole by the clutch unit, and the lock cylinder body drives the rotating shaft to rotate together by the clutch unit when the key rotates; and when a wrong key is inserted in the lock cylinder body, the lock cylinder body and the rotating shaft are mutually independent, and the rotating shaft does not rotate when the lock cylinder body rotates, at the moment, the lock cylinder can freely rotate in the range of 360 degrees relative to the rotating shaft, so that the anti-theft purpose can be achieved.

Description

A kind of idle running anti-theft lock

Technical field

The utility model relates to a kind of theftproof lock, is meant a kind of lock core body, turning cylinder and clutch unit of comprising especially, and this clutch unit is that this lock core body that is provided with between this lock core body and this turning cylinder can be with respect to the theftproof lock of this turning cylinder idle running.

Background technology

As everyone knows, each is locked in the textural difference that all has, and this has just determined the difference of its function.For the principle of unblanking, the principle of unblanking of most locks is identical.General lock, as the common door built-in lock, padlock, the computer spoon, cross door built-in lock etc., though their pattern, structure, size, the key aperture is inequality, the principle of unblanking is identical.

On the lock core of circle, be drilled with several little holes, also boring similar number and the same little hole of caliber size with the lock body position of corresponding position, lock core duck eye hole again.The effect of little hole is to be used for shooting son and spring.(lock little hole on one's body is used for shooting son and spring, and the hole on the lock core is referred to as pellet shot from a slingshot).Usually, our a little hole of locking on body and the lock core is referred to as the pellet shot from a slingshot hole.So, the effect of pellet shot from a slingshot is to be used for blocking lock core, and lock core can not at will be rotated.Therefore, no matter lock how inequality of the external form of body and the office of lock in the body, but what bringing into play main effect for the principle of unblanking is lock core, pellet shot from a slingshot and spring.When the pellet shot from a slingshot hole of lock body overlapped fully with the pellet shot from a slingshot hole of lock core, the spring performance elastic force effect in the lock body pellet shot from a slingshot hole upwards ejected the pellet shot from a slingshot in the lock body pellet shot from a slingshot hole.Pellet shot from a slingshot in the lock body pellet shot from a slingshot hole by jacking in the lock core marble hole.Original pellet shot from a slingshot is upwards pushed up at one time in the lock core marble hole.Owing to have a long raised line to block in the lock core keyhole, stop the pellet shot from a slingshot in the lock core marble hole, pellet shot from a slingshot is not ejected outside the pellet shot from a slingshot aperture, take off out.

After stretching key and entering lock core keyhole, teeth groove on the key the pellet shot from a slingshot of lock core marble in also to lower compression, just the pellet shot from a slingshot total head in the lock core marble hole is fallen, flatten the place, another side aperture of lock core marble hole, (lock core marble aperture and the contact surface of locking body pellet shot from a slingshot aperture), at this moment lock in the body pellet shot from a slingshot hole all pellets shot from a slingshot since by pellet shot from a slingshot in the lock core marble hole to the effect that presses down, also all be driven plain lock body pellet shot from a slingshot aperture, get back in the lock body pellet shot from a slingshot hole.At this moment, the pellet shot from a slingshot in the lock body pellet shot from a slingshot hole can not stick in the lock core marble hole, and the pellet shot from a slingshot that is pressed down in the lock core marble hole can not be depressed in the pellet shot from a slingshot hole that enters the lock body, has not had thing to block circular lock core in other words.Available then key reverses lock core and rotates, and then drives the office in the lock body after lock core rotates, and lock is opened.This is the principle of unblanking.Aforesaid traditional lockset when lock core by special instrument when keyhole is inserted and rotated, the pellet shot from a slingshot that stops lock core to rotate can be twisted off, and makes lockset by unnormal unlocking, thereby loses anti-theft feature.

Summary of the invention

This reality is novel provide a kind of idle running anti-theft lock, the clutch unit of this idle running anti-theft lock be provided with between lock core body and the turning cylinder and this lock core body can be with respect to this turning cylinder idle running to reach the purpose of safe antitheft.

The technical solution adopted in the utility model is: a kind of idle running anti-theft lock, it comprises lock core body, turning cylinder and clutch unit, wherein, this lock core body, this turning cylinder and this clutch unit are successively set in the lock body sheath, one end of this lock body sheath is socketed with tapered end cover, is provided with fixedly pearl of moon shape idle running card and tapered end cover between this lock body sheath and this tapered end cover.

This clutch unit is provided with between this lock core body and this turning cylinder, when being inserted into correct key in this lock core body, this clutch unit links into an integrated entity this lock core body and this turning cylinder, in the time of this key turns, this lock core body drives this turning cylinder by this clutch unit and together rotates.

When being inserted into non-correct key in this lock core body, this lock core body and this turning cylinder are separate, and when this lock core body rotated, this turning cylinder did not rotate, and this moment, this lock core body can freely rotate in 360 degree scopes with respect to this turning cylinder.

This lock core body has blade groove, blade retention pin and clutch cotter way, wherein, this blade groove is that order is opened in this lock core body successively, be provided with a pair of blade and spring in this blade groove, each this blade tip offers groove, and this blade retention pin is arranged on these blade groove both sides, in order to fix this blade in this blade groove, this clutch cotter way is opened in this lock core body, and is positioned at the top of this blade groove, and this clutch cotter way is corresponding with this groove of this blade.

This turning cylinder is with respect to this tapered end cover of an end that is socketed in this lock body sheath and be arranged on the other end of this lock core body.

This clutch unit is plugged between this lock core body and this turning cylinder, it comprises horizontal on-of pin and chain of triangulation rationed marketing, wherein, this horizontal on-of pin is to be plugged in this clutch cotter way of this lock core body, this blade groove of this lock core body and this blade in this blade groove are positioned at the below of this horizontal on-of pin, this chain of triangulation rationed marketing is arranged in this turning cylinder with respect to this horizontal on-of pin, this chain of triangulation rationed marketing is arranged on the below of a termination of this horizontal on-of pin, and this chain of triangulation rationed marketing below is provided with spring.

The beneficial effects of the utility model are: the novel lock core body that structurally comprises of this reality, turning cylinder and clutch unit, and this clutch unit is that this lock core body that is provided with between this lock core body and this turning cylinder can be with respect to this turning cylinder idle running, when being inserted into correct key in this lock core body, this clutch unit links into an integrated entity this lock core body and this turning cylinder, in the time of this key turns, this lock core body drives this turning cylinder by this clutch unit and together rotates, when being inserted into non-correct key in this lock core body, this lock core body and this turning cylinder are separate, when this lock core body rotates, this turning cylinder does not rotate, this moment, this lock core body can freely rotate in 360 degree scopes with respect to this turning cylinder, to reach the effect of safe antitheft.

Description of drawings

Fig. 1 is the link position schematic diagram of lock core body of the present utility model, turning cylinder, lock body sheath and tapered end cover;

Fig. 2 is the link position schematic diagram of lock core body of the present utility model, turning cylinder and clutch unit;

Fig. 3 is the link position schematic diagram of lock core body of the present utility model and blade;

Fig. 4 is the front view of blade of the present utility model.

The specific embodiment

Shown in Fig. 1 to 4, a kind of idle running anti-theft lock, it comprises lock core body 10, turning cylinder 20 and clutch unit 30, wherein, as shown in Figure 1, this lock core body 10, this turning cylinder 20 and this clutch unit 30 are successively set in the lock body sheath 40, and an end of this lock body sheath 40 is socketed with tapered end cover 50, are provided with fixedly pearl 52 of moon shape idle running card 51 and tapered end cover between this lock body sheath 40 and this tapered end cover 50.

As shown in Figure 2, this clutch unit 30 is provided with between this lock core body 10 and this turning cylinder 20.

When being inserted into correct key in this lock core body 10, this clutch unit 30 links into an integrated entity this lock core body 10 with this turning cylinder 20, and in the time of this key turns, this lock core body 10 drives this turning cylinder 20 by this clutch unit 30 and together rotates.

When being inserted into non-correct key in this lock core body 10, this lock core body 10 is separate with this turning cylinder 20, and when this lock core body 10 rotated, this turning cylinder 20 did not rotate, this moment, this lock core body 10 can freely rotate in 360 degree scopes with respect to this turning cylinder 20.

As shown in Figures 1 to 3, this lock core body 10 has blade groove 11, blade retention pin 12 and clutch cotter way 13, and wherein, this blade groove 11 is that order is opened in this lock core body 10 successively, is provided with a pair of blade 14 and spring 15 in this blade groove 11.

As shown in Figure 4, each these blade 14 top offers groove 141.

This blade retention pin 12 is arranged on these blade groove 11 both sides, in order to fix this blade 14 in this blade groove 11.

This clutch cotter way 13 is opened in this lock core body 10, and is positioned at the top of this blade groove 11, and this clutch cotter way 13 is corresponding with this groove 141 of this blade 14.

This turning cylinder 20 is with respect to this tapered end cover 50 of an end that is socketed in this lock body sheath 40 and be arranged on the other end of this lock core body 10.

This clutch unit 30 is plugged between this lock core body 10 and this turning cylinder 20, and it comprises horizontal on-of pin 31 and chain of triangulation rationed marketing 32.

Wherein, this horizontal on-of pin 31 is to be plugged in this clutch cotter way 13 of this lock core body 10, and this blade groove 11 of this lock core body 10 and this blade 14 in this blade groove 11 are positioned at the below of this horizontal on-of pin 31.

This chain of triangulation rationed marketing 32 is arranged in this turning cylinder 20 with respect to this horizontal on-of pin 31, and this chain of triangulation rationed marketing 32 is arranged on the below of a termination of this horizontal on-of pin 31.

These chain of triangulation rationed marketing 32 belows are provided with spring 321.

When being inserted into correct key in this lock core body 10, the horizontal on-of pin 31 of this of this clutch unit 30 and this chain of triangulation rationed marketing 32 connect, because this horizontal on-of pin 31 is arranged in this lock core body 10, and this chain of triangulation rationed marketing 32 is arranged in this turning cylinder 20, this moment, this lock core body 10 links into an integrated entity with this turning cylinder 20, and in the time of this key turns, this lock core body 10 drives this turning cylinder 20 by this clutch unit 30 and together rotates.

And when being inserted into non-correct key in this lock core body 10, the horizontal on-of pin 31 of this of this clutch unit 30 and this chain of triangulation rationed marketing 32 are in notconnect state, this lock core body 10 is separate with this turning cylinder 20, when this lock core body 10 rotates, this turning cylinder 20 does not rotate, this moment, this lock core body 10 can freely rotate in 360 degree scopes with respect to this turning cylinder 20.

Claims

1. idle running anti-theft lock, it comprises lock core body, turning cylinder and clutch unit, wherein, this lock core body, this turning cylinder and this clutch unit are successively set in the lock body sheath, one end of this lock body sheath is socketed with tapered end cover, between this lock body sheath and this tapered end cover, be provided with fixedly pearl of moon shape idle running card and tapered end cover, it is characterized in that: this clutch unit is provided with between this lock core body and this turning cylinder, this lock core body has blade groove, blade retention pin and clutch cotter way, wherein, this blade groove is that order is opened in this lock core body successively, in this blade groove, be provided with a pair of blade and spring, each this blade tip offers groove, this blade retention pin is arranged on these blade groove both sides, in order to fix this blade in this blade groove, this clutch cotter way is opened in this lock core body, and be positioned at the top of this blade groove, this clutch cotter way is corresponding with this groove of this blade, this turning cylinder is with respect to this tapered end cover of an end that is socketed in this lock body sheath and be arranged on the other end of this lock core body, this clutch unit is plugged between this lock core body and this turning cylinder, it comprises horizontal on-of pin and chain of triangulation rationed marketing, wherein, this horizontal on-of pin is to be plugged in this clutch cotter way of this lock core body, and this blade groove of this lock core body and this blade in this blade groove are positioned at the below of this horizontal on-of pin.

2. a kind of idle running anti-theft lock as claimed in claim 1 is characterized in that: this chain of triangulation rationed marketing is arranged in this turning cylinder with respect to this horizontal on-of pin, and this chain of triangulation rationed marketing is arranged on the below of a termination of this horizontal on-of pin.

3. a kind of idle running anti-theft lock as claimed in claim 2 is characterized in that: this chain of triangulation rationed marketing below is provided with spring.