CN2408190Y

CN2408190Y - Combined key double lock for omnibearing spring anti-theft lock

Info

Publication number: CN2408190Y
Application number: CN 00222175
Authority: CN
Inventors: 刘至祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-24
Filing date: 2000-01-24
Publication date: 2000-11-29
Anticipated expiration: 2010-01-24

Abstract

The utility model discloses an anti-theft lock with a combined key, double lock cores and omnibearing cylinders, which is composed of a lock body, a front and a rear lock cores and the combined key matched with the lock cores, wherein, the double lock cores are provided with cylinder holes and the cylinders are arranged in the cylinder holes; the front and the rear lock cores are dislocated and the rear side of the rear lock core is also provided with the cylinder holes while the cylinders are arranged in the cylinder holes; the combined key is composed of a handle, teeth parts and an extending mechanism which can extend the front teeth parts of the key, and the length of the key can be further adjusted after the combined key enters a lock hole. The utility model has the advantages of compact structure, reasonable structure, strong anti-theft function, difficult operation for a lock repairman which unlocks the locks, convenient key-self assembly and lock-changing function.

Description

The comprehensive cylinder anti-theft lock end of combined type key twin-lock core

The utility model relates to and a kind ofly cooperates the anti-theft lock end that constitutes by the combined type key with lock body twin-lock core.

The tapered end of commercially available all kinds of security doors, safety lock is the monolock core at present, has only upward or have up and down pellet shot from a slingshot.Bag is opened repaiies that lock teacher and clever robber just are easy to open in a few minutes have a master key because they are special, as long as this key is stretched to lock core, can both open patent application technology " combined type key anti-theft lock end " (application number 99232509.9) that existing lock applicant has though good pick-proof, anti-theft feature are arranged, but being the monolock cored structure, is the applicant's first generation technology.

The purpose of this utility model provides a kind of comprehensive ball lock head of twin-lock core with strong anti-theft feature.

The technical scheme that realizes above-mentioned purpose is: this tapered end adopts lock body, forward and backward twin-lock core and associated key combined formation; Forward and backward lock core is separated from each other, and has vertically (promptly vertically or be basically perpendicular to lock core axial) pellet shot from a slingshot hole on the twin-lock core, and the pellet shot from a slingshot hole is built-in with pellet shot from a slingshot, and the keyhole slots angular arrangement of forward and backward lock core is inconsistent; Have the horizontal pellet shot from a slingshot hole consistent with rear lock core keyhole slots angle on the rear lock core rear side, the hole is built-in with pellet shot from a slingshot; Key combinedly form by handle tooth spare and telescoping mechanism that key the place ahead tooth spare (promptly with rear lock core on the pellet shot from a slingshot tooth spare that matches) is stretched out, key combined enter lockhole after, its key length can further be adjusted.The dislocation of forward and backward twin-lock core arranges, key combinedly is divided into two period two step and unblanks.After leading portion was opened, the pellet shot from a slingshot of leading portion had just accounted for and has led to the road of back segment, have little scope for one's talents with master key, and, even if master key enters rear lock core, also can't touch the pellet shot from a slingshot on the rear lock core posterior lateral pellet shot from a slingshot hole.Therefore this tapered end has only original key just can open.

The keyhole slots angle of above-mentioned forward and backward lock core is arranged by 45 degree deviations.Key combinedly stretch into preceding lock core, make its rotation 45 degree, twin-lock core keyhole slots is in full accord, control telescoping mechanism this moment, key top tooth spare is stretched in the rear lock core, and key just can drive the rear lock core rotation, and the dead bolt (lock bolt) that is rotationally connected with rear lock core is shift movement thereupon.

When above-mentioned the place ahead tooth spare stretch into make the playback of its pellet shot from a slingshot in the rear lock core after, before the side has small part to stay in the lock core.Can alleviate the key moment of torsion in when rotation like this, guarantee the key rotation accurately, also improve key application life.

Lock before of the present utility model and have two groups or three groups of vertical pellet shot from a slingshot holes up and down, have one group of vertical pellet shot from a slingshot hole up and down on the rear lock core, also have four horizontal pellet shot from a slingshot holes on its rear lock core rear side, all pellet shot from a slingshot holes are built-in with corresponding pellet shot from a slingshot.Abundant omnibearing billiards structure has been strengthened antitheft, the pick-proof performance of tapered end greatly.

Key combined upward telescoping mechanism of the present utility model is a spring structure, is made up of steel wire, secondary handle and spring.The tooth spare that matches with preceding lock core marble connects together with key handle, and the tooth spare that matches with the rear lock core pellet shot from a slingshot connects together, and the latter is connected on the key handle by spring structure.This structure makes the key change in length freely, reliable in action.

A design feature more of the present utility model is, key bit spare sidewall covert indicates numeral or alphanumeric codes, and the outer end of opening the pellet shot from a slingshot hole on the lock body is a screwed hole, is furnished with screw on the screwed hole.As long as the user remembering the code (being secret signal) of whole tooth spare on the key and put in order,, can prepare key voluntarily even if loss key or will oneself lock outside can go to sell the city of locking a door and buy similar tooth spare.Tooth spare two ends have and connect sticking scolding tin easily, burn on naked light in order, become the jail with defeating, cooling off during burning.Have again, when judge be necessary to prevent other people (as prevent selfish bitting of acquaintance or tenant or key from losing field boundary such as found by the acquaintance and close) when unblanking, pellet shot from a slingshot combination in reconfigurable shaped as key bit and lock body, the lock core, reach and become the lock anti-theft effect, its specific practice is that the screw in the taking-up lock body screwed hole changes to specific pellet shot from a slingshot, the lock bolt of screwing on again, the key that is combined into novel tooth form with new elite tooth spare gets final product then.

The utility model anti-theft lock end as if the various dead bolts (lock bolt) that are in transmission connection by prior art, just can be made into all kinds of safe-guard door locks, safety cabinet lock and lock etc.They have very strong pick-proof, anti-theft feature.There is not original key, even if the lock teacher that repaiies of specialty also is difficult to unblank.The set of keys prescription just also has unique change lock function in addition.

Further specify the utility model structure below in conjunction with Figure of description

Fig. 1 is a lock body lock core structure schematic diagram of the present utility model

Fig. 2 is that the A of Fig. 1 is to view

Fig. 3 is that Figure 1A is to phantom drawing

Fig. 4 is the postrotational phantom drawing of lock core before Fig. 3

Fig. 5 is that the B of Fig. 1 is to schematic diagram

Fig. 6 connects dead bolt (lock bolt) schematic diagram for tapered end

Fig. 7 is a key combined schematic diagram of the present utility model

Fig. 8 is the end-view of a tooth spare

Fig. 9 is the upward view of Fig. 8

The comprehensive cylinder anti-theft lock end of the utility model combined type key twin-lock core (seeing Fig. 1-9) is made of lock body 1, preceding lock core 2, rear lock core 3 and key combined 4.Forward and backward

lock core

2,3 is separated from each other; Have two groups (or three groups) corresponding to each other vertically (promptly perpendicular to lock core shaft) pellet shot from a slingshot hole 20 up and down on lock body 1 and the preceding lock core 2, totally 8 (or 12) pellet shot from a slingshot holes; Lock body 1 and rear lock core 3 have the one group of vertical pellet shot from a slingshot hole 5 up and down that corresponds to each other, and promptly have 4 vertical pellet shot from a slingshot holes, have four horizontal pellet shot from a slingshot holes 6 that correspond to each other on rear lock core rear side and lock body; All be equipped with in all pellet shot from a slingshot holes by 1 spring and two pellet shot from a slingshot groups that pellet shot from a slingshot is formed; Forward and backward lock core dislocation arranges that promptly the cross keyhole slots angular arrangement of forward and backward lock core is inconsistent, and present embodiment adopts by 45 degree deviations and arranges; Four pellet shot from a slingshot holes 6 are consistent with rear lock core keyhole slots angle.The outer end in the pellet shot from a slingshot hole of being opened on the lock body 1 is screwed hole, is furnished with lock bolt 7 in the screwed hole.There is gear 8 at rear lock core 3 rear portions, and rear lock core 3 rotates, and drive by gear 8, gear 9 and dial bar 10 rotations, dial bar 10 and control dead bolt (lock bolt) shift movement again.Of the present utility model key combined 4 are made up of 11,3 tooth spares 12,13,14 of handle, playback tooth spare 15 and telescoping mechanism, and tooth spare 12,13 and handle 11 connect together, and the tooth spare 14 and the tooth spare 15 that playbacks connect together; Key bit spare is special cross profile of tooth separately, and horizontal paracone afterboarding rule is arranged, and there is small through hole 16 in central authorities, and sidewall covert 21 indicates digital code, can get the 0-9 numeral respectively; The profile of tooth of tooth spare 12,13 and the coupling of the pellet shot from a slingshot on the preceding lock core 2, vertical pellet shot from a slingshot coupling on tooth spare 14 and the rear lock core 3, front end playback tooth spare 15 can hold up vertical pellet shot from a slingshot on the forward and backward lock core, make it playback, and the horizontal pellet shot from a slingshot on the rear lock core rear side is playbacked, playback part 15 can be represented with 26 English alphabets, also is marked on the covert.The user also can be by the digital layout of the note of controlling oneself after purchasing lock.Key combined telescoping mechanism is a spring structure, form by steel wire 17, secondary handle 18 and spring 19, steel wire 17 1 ends are connected in playback tooth spare 15 medium pores, the other end passes other tooth spare central aperture 16, be connected on the secondary handle 18 on the handle 11, the spring 19 that handle is built-in with stretches to secondary handle drive steel wire stretches out key the place ahead tooth spare (tooth spare 14 and playback tooth spare 15).

During use, cross key combined 4 is all inserted in criss-cross preceding lock core 2 keyhole slots, mobile key 45 degree, make cloudy latent pellet shot from a slingshot and solid line pellet shot from a slingshot overlap (becoming Fig. 4) by Fig. 3, the cross keyhole slots of then forward and backward lock

core

2,3 is in full accord, promote this moment secondary handle 18 make tooth spare 14 and playback tooth spare 15 stretch in rear lock core 3 keyhole slots in requisition for the position, make all pellets shot from a slingshot playback on the rear lock core, this moment tooth spare 14 also have few partly stays before in the lock core 2.At this moment key, rear lock core 3 rotates thereupon, and then drives dead bolt (lock bolt) motion that is in transmission connection with it, reaches the purpose of unblanking.When taking out key, key shrinks back secondary handle 18 earlier after having changeed 360 degree, before tooth spare 14 is return with playback tooth spare 15 in the lock core, turns round 45 degree again and withdraws from and get final product.

The tapered end of present embodiment, it is consistent even the robber can rotate preceding lock core 2 with the rear lock core keyhole slots, though but preceding lock core 2 has changeed 45 degree, pellet shot from a slingshot just can not move, before can the account for position of lock core keyhole slots before the part of in the lock core 8 or 12 pellets shot from a slingshot, lead to rear lock core route this become very narrow.Want to rotate rear lock core, unless lock core before the infringement.But this is in fact impossible.Even so, even vertical pellet shot from a slingshot is up and down got the position, robber and Bao open the lock teacher also can't make the horizontal pellet shot from a slingshot on the rear lock core playback.

Claims

1, the comprehensive cylinder anti-theft lock end of a kind of combined type key twin-lock core is by lock body, lock core with associatedly key combinedly constitute; It is characterized in that described lock core adopts the forward and backward twin-lock cored structure that is separated from each other, have vertical longitudinally on the forward and backward lock core or be basically perpendicular to the pellet shot from a slingshot hole of lock core shaft that the pellet shot from a slingshot hole is built-in with pellet shot from a slingshot, the keyhole slots angular arrangement of forward and backward lock core is inconsistent; Have the horizontal pellet shot from a slingshot hole consistent with rear lock core keyhole slots angle on the rear lock core rear side, the hole is built-in with pellet shot from a slingshot; Described key combinedly form by handle, tooth spare and telescoping mechanism that key the place ahead tooth spare is stretched out, key combined enter lockhole after, its key adjustable in length.

2, anti-theft lock end according to claim 1 is characterized in that the keyhole slots angle of described forward and backward lock core is arranged by 45 degree deviations.

3, anti-theft lock end according to claim 1 is characterized in that described key the place ahead tooth spare stretches in the rear lock core keyhole slots, make its pellet shot from a slingshot playback after, also have small part to stay before in the lock core keyhole slots.

4, as anti-theft lock end as described in claim 1 or 2 or 3, it is characterized in that having two groups or three groups of vertical pellet shot from a slingshot holes up and down on the described preceding lock core, have one group of vertical pellet shot from a slingshot hole up and down on the described rear lock core, have four horizontal pellet shot from a slingshot holes on the rear lock core rear side, all pellet shot from a slingshot holes are built-in with corresponding pellet shot from a slingshot.

5, as anti-theft lock end as described in the claim 4, it is characterized in that described key bit spare is cross, there is through hole in central authorities, profile of tooth of each tooth spare and length difference thereof; Two tooth spares of key handle side link together with handle, and tooth spare in the outside links together with the playback tooth spare of front end; Control the place ahead tooth spare is stretched with the telescoping mechanism that contracts and is made up of steel wire, secondary handle and spring, steel wire one end is connected in the front end playback tooth spare medium pore, the other end passes other tooth spare central aperture, be connected on the secondary handle on the handle, handle is built-in with spring and stretches to secondary handle and drive steel wire and make key the place ahead tooth spare flexible.

6, as anti-theft lock end as described in the claim 5, it is characterized in that described key bit spare sidewall covert indicates numeral or alphanumeric codes, tooth spare two ends have and connect sticking scolding tin easily, burn, press bonding with naked light each other; The outer end in the pellet shot from a slingshot hole of opening is a screwed hole on the described lock body, is furnished with screw on the screwed hole.