CN201129065Y - Burglarproof lock - Google Patents

Abstract

The utility model discloses an anti-theft lock, including a lock bar (1), a lock body (3), a lock core, a bolt (5) and keys (8); wherein, the lock bar is inserted into a corresponding hole of the lock body; the lock bar is provided with a groove (6); the lock core is arranged on the lock body and connected with the bolt, one end of which matches with the groove of the lock bar. The anti-theft lock is characterized in that the lock core is provided with insurance function; the lock is also provided with an insurance article (2); the lock bar is provided with an opening (4); one end of the insurance article is connected with the lock core and the other end matches with the opening on the lock bar, so the anti-theft lock has reliable anti-theft function.

Description

A kind of theftproof lock

[technical field]

The utility model relates to a kind of lockset, what be specifically related to is a kind of improvement invention of theftproof lock.

[background technology]

Theftproof lock is mainly used in various antitheft occasions, wherein a kind of theftproof lock that generally uses has locking bar, locking bar and lock body and separates, as automobile steering lock, bike wheel lock, door padlock, this kind theftproof lock comprises locking bar, lock body, lock core, dead bolt, key, and locking bar is inserted in the corresponding hole of lock body, and locking bar is provided with groove, lock core is installed on the lock body, and be connected with dead bolt, an end of dead bolt and the groove of locking bar match, and become unique being connected and fixed a little between locking bar and the lock body.But the shortcoming that this theftproof lock exists is: 1. used lock core is not had an insurance function, can open once enclosing with key rotation lock core, and this kind lock core is opened by veteran thief easily; 2. because locking bar and lock body have only place's fixed point, firmness is not enough, is opened by force under the effect (as the strike of hammer) of external force easily.

[summary of the invention]

In view of the problem that present known technology exists, the technical problems to be solved in the utility model is to be to provide a kind of theftproof lock with reliable anti-theft feature.

For solving the problems of the technologies described above, the utility model takes following technical scheme to finish:

A kind of theftproof lock, comprise locking bar, lock body, lock core, dead bolt, key, locking bar is inserted in the corresponding hole of lock body, and locking bar is provided with groove, lock core is installed on the lock body, and be connected with dead bolt, an end of dead bolt and the groove of locking bar match, and it is characterized in that: described lock core is the lock core with insurance function, described theftproof lock also is provided with the insurance bar, described locking bar is provided with perforate, and an end of described insurance bar is connected with lock core, and the other end then cooperates with perforate on the locking bar.This theftproof lock is provided with more than one lock core, and a plurality of lock pin coaxial connect and are provided with, and each lock core connects the dead bolt under it, and locking bar is corresponding to be provided with groove with the dead bolt equal number, and each groove part matches with relative dead bolt one end.Described lock core is provided with two

The lock core of this theftproof lock has insurance function, promptly adopt the lock core that is used for the security door door lock common on the market, when opening the security door door lock, lock core need rotate multi-turn, at first make the bumper bar stepping that is installed in the security door withdraw from doorframe, last dead bolt withdraws from, and this lock core has excellent antitheft function.Here, on theftproof lock, use this kind lock core, be connected with dead bolt, bumper bar on this lock core, and locking bar is provided with corresponding groove, perforate, make and had the many places fixed connection point between locking bar and the lock body, like this, not only lock core is difficult for being pried open by the robber, and, owing to have the many places fixed connection point between locking bar and the lock body, be difficult to break with general external force, so this theftproof lock has good anti-theft feature.

If also coaxial in the lock body of this theftproof lock a plurality of lock cores are set, a plurality of lock cores pass through the dead bolt that connected and the groove interlock of corresponding locking bar respectively, make the fixed point between locking bar and the lock body more, whichsoever fixed point all can independently play antitheft effect, only open all lock cores, could normally open theftproof lock.The coaxial setting of a plurality of lock cores, make whole lock core center-aisle lengthening, make the thief who adopts as choosing pin one quasi-tradition instrument powerless, even employing master key, to open theftproof lock simultaneously with a master key with a plurality of lock cores, also be very difficult, saying nothing of is the lock core with insurance function.

[description of drawings]

The utility model has following accompanying drawing:

Fig. 1 is the structural representation of first kind of embodiment of the utility model

Fig. 2 is the A-A view of Fig. 1

Fig. 3 is the structural representation of second kind of embodiment of the utility model

[specific embodiment]

Accompanying drawing has been represented the technical solution of the utility model and two embodiment, further describes each relevant details and operating principle thereof of embodiment below more in conjunction with the accompanying drawings.

With reference to accompanying drawing 1,2, this theftproof lock, the lock core 7, dead bolt 5, insurance bar 2, the key 8 that comprise locking bar 1, lock body 3, have insurance function, locking bar is inserted in the corresponding hole of lock body, locking bar is provided with groove 6, and lock core is installed on the lock body, and is connected with dead bolt, one end of dead bolt and the groove of locking bar match, described locking bar is provided with perforate 4, is fixed with driving lever 10 on the described lock core, and an end of described insurance bar cooperates with the perforate on the locking bar, the other end is provided with tooth 9, this tooth and described driving lever interlock.

With reference to accompanying drawing 3, this theftproof lock is on the basis of Fig. 1, set up 7, two lock pin coaxial of a lock core and connected, two lock pin coaxial link together and are installed in 3 li of lock bodies, each lock core is connected with dead bolt 5 separately, locking bar is provided with two grooves 6, and the end with dead bolt matches respectively, and the key 8 of this theftproof lock extends, the same with other lockset, every have corresponding lengthening key to theftproof lock.

When opening the theftproof lock that adopts technique scheme, only need to insert corresponding key, rotational lock core gently, driving lever on the lock core is stirred the insurance bar, every group of lock core one circle, the insurance bar just withdraws from one grade from the perforate of locking bar, when having changeed the multi-turn lock core, the insurance bar just in time withdraws from the perforate of locking bar fully, at this moment, rotational lock core again, the dead bolt that lock core drives separately withdraws in the groove of locking bar, so just can in lock body, take out locking bar like a cork, open theftproof lock.

In sum, adopt the theftproof lock of technique scheme, have anti-theft feature simple in structure, easy to use, reliable, improved the class of product, satisfied the antitheft hope of people, will be subjected to users' welcome.

Claims (3)

1. theftproof lock, comprise locking bar (1), lock body (3), lock core, dead bolt (5), key (8), locking bar is inserted in the corresponding hole of lock body, locking bar is provided with groove (6), lock core is installed on the lock body, and be connected with dead bolt, one end of dead bolt and the groove of locking bar match, it is characterized in that: described lock core is the lock core (7) with insurance function, described theftproof lock also is provided with insurance bar (2), described locking bar is provided with perforate (4), and an end of described insurance bar is connected with lock core, and the other end then cooperates with perforate on the locking bar.

2. a kind of theftproof lock as claimed in claim 1, it is characterized in that: this theftproof lock is provided with more than one lock core, a plurality of lock pin coaxial connect setting, each lock core connects the dead bolt under it, locking bar is corresponding to be provided with groove with the dead bolt equal number, and each groove part matches with relative dead bolt one end.

3. a kind of theftproof lock as claimed in claim 2 is characterized in that: described lock core is provided with two.

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