CN201106319Y

CN201106319Y - Theftproof unlocking lock

Info

Publication number: CN201106319Y
Application number: CNU2007200277096U
Authority: CN
Inventors: 曹云周
Original assignee: 曹云周
Priority date: 2007-09-11
Filing date: 2007-09-11
Publication date: 2008-08-27
Anticipated expiration: 2017-09-11

Abstract

The utility model relates to an anti-theft locking sheet lock which comprises a lock body and a cylindrical lock plug which is rotatablely assembled in the lock body, wherein, a key hole is radially opened on the lock plug which is provided with a plurality of locking sheet grooves, a pair of overlapped locking sheets which are arranged in each locking sheet groove and springs connected between the pair of the locking sheets; the lock body is provided with two stopping locking grooves which are symmetric with the locking sheet groove; each locking sheet are glidingly matched with the corresponding locking sheet grooves and the stopping locking grooves ; at least one control hole which can control the rotation angle of the locking sheet and prevent the lock from being unlocked technically is opened on the lock body. The rotation angle of the corresponding locking sheet which is controlled by the control hole which can control the rotation angle of the locking sheet is limited between 30 degrees and 89 degrees and the control hole which can control the rotation angle of the locking sheet is communicated with the corresponding stopping locking groove. By adopting the structure, the defect that the existing locking sheet lock has no control hole controlling the rotation angle of the locking sheet is overcome; therefore, a theft without a correct key is prevented from unlocking the lock which can only be unlocked by the correct key, thus the locking sheet lock has high anti-theft performance.

Description

The anti-theft unlocking mortice lock

Technical field

The utility model relates to a kind of lockset, particularly relates to the strong locking plate lock of a kind of anti-pirate of the open performance.

Background technology

The structure of existing locking plate lock is: it comprises is equipped with rotating lock cylinder in a lock body, the lock body; Lock core is axially having keyhole; (the locking plate groove is four to eight generally speaking radially to be provided with one group of locking plate groove on the lock core, it is separated to separate each other between the described locking plate groove), be provided with locking plate and a spring that is connected between two locking plates of a pair of stacked placement in each locking plate groove, the middle part of locking plate is porose, side end has outside projection, the two ends of spring contact with projection on two locking plates, and lock body is provided with the locked groove that ends that twice axially are symmetrical in the locking plate groove, and each locking plate is with corresponding locking plate groove and end locked groove and be slidingly matched.For the locking plate of every pair of stacked placement, when two locking plates overlapping the most after a little while (during locking states), each locking plate is arranged in the locking plate groove simultaneously and ends locked groove, and when two locking plates overlapping when maximum (with correct key unlocking time), the two locking plates while only is arranged in the locking plate groove.

The burglar may detect the spacing of locking plate and moves radially degree by keyhole, and use unlocking tools such as steel disc (silk), hair clip, master key to inject in the keyhole easily to touch, set locking plate correctly and unblank (that is: radially to spur locking plate by unlocking tool, locking plate is broken away from from end locked groove and only be arranged in the locking plate groove, like this, locking plate can rotate by 360 degree, make to the greatest extent lock core also can 360 degree rotate and unblank), therefore, the anti-pirate of the open performance of existing locking plate lock is weak, security reliability is poor.

The utility model content

The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of anti-pirate of the open performance strong anti-theft unlocking mortice lock.

For achieving the above object, the utility model provides a kind of anti-theft unlocking mortice lock, it comprises lock body, is contained in lock cylinder in the lock body rotationally, lock core is axially having keyhole, lock core is provided with some locking plate grooves, is loaded on the locking plate of a pair of stacked placement in each locking plate groove and is connected in this to the spring between the locking plate, lock body is provided with the locked groove that ends that twice are symmetrical in the locking plate groove, each locking plate is with corresponding locking plate groove and end locked groove and be slidingly matched, and also has one on the lock body at least and can avoid this lock by the locking plate rotational angle control hole of technical unlocking.

Adopt after the above structure, because this locking plate lock has overcome the defective that existing locking plate lock does not have locking plate rotational angle control hole, like this, making does not have the burglar of correct key to unblank, have correct key only and just can unblank, therefore, the anti-pirate of the open performance of this locking plate lock is strong.

The rotational angle of the corresponding locking plate that described locking plate rotational angle control hole is controlled is limited in 30 to 89 degree.

Described locking plate rotational angle control hole is connected with the corresponding locked groove that ends.

Description of drawings

Fig. 1 is the stereogram that the utility model embodiment has been seen from front end;

Fig. 2 is the structural representation of the utility model embodiment;

Fig. 3 is the A-A sectional view of Fig. 2;

Fig. 4 is the B-B sectional view of Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is specifically described:

Referring to Fig. 1-Fig. 4, this anti-theft unlocking mortice lock comprises lock body 1, be contained in the lock cylinder 2 in the lock body 1 rotationally, lock core 2 is axially having keyhole 2a, radially be provided with six locking plate groove 2b (only illustrating two among Fig. 1) on the lock core 2, it is separated (for the purpose of succinctly clearly saying something to separate each other between six locking plate groove 2b, Fig. 3, among Fig. 4 to lock core 2 and on keyhole 2a, corresponding locking plate groove 2b is omitted), be provided with locking plate 3 and a spring 4 that is connected between two locking plates 3 of a pair of stacked placement among each locking plate groove 2b, the porose 3a in the middle part of locking plate 3, side end has outside projection 3b, the two ends of spring 4 contact with projection 3b on two locking plates 3, twice axially were symmetrical in the only locked groove 1a of locking plate groove 2b about lock body 1 was provided with, each locking plate 3 only reaches with corresponding locking plate groove 2b, and locked groove 1a is slidingly matched, lock body 1 preceding upper lateral part also has one and can avoid this lock by the locking plate rotational angle control hole 1b of technical unlocking, locking plate rotational angle control hole 1b is connected with the locked groove 1a that ends of upside, the corresponding locking plate 3 that locking plate rotational angle control hole 1b is controlled (that is: among Fig. 2 with that locking plate 3 that locked groove 1a is slidingly matched that ends of upside, and the upper side end among Fig. 4 has that locking plate 3 of outside projection 3b) rotational angle be limited in 78 degree.

After this structure, the burglar can radially spur every pair of locking plate 3 by unlocking tool, every pair of locking plate 3 is broken away from from the corresponding locked groove 1a of ending and only be arranged in locking plate groove 2b simultaneously, at this moment, though can clockwise rotating all locking plates 3, the burglar make lock core 2 also rotate in the same way, but in rotation process, the corresponding locking plate 3 that locking plate rotational angle control hole 1b is controlled is will be under the tension force effect of respective springs 4 radially overhanging and blocked by locking plate rotational angle control hole 1b, make corresponding locking plate 3 be arranged in locking plate groove 2b and locking plate rotational angle control hole 1b simultaneously, so that that contains corresponding locking plate 3 is overlapping minimum to locking plate, this locking plate lock still is in locking states, making does not like this have the burglar of correct key to unblank, have correct key only and just can unblank, so the anti-pirate of the open performance of this locking plate lock is strong.

Above-described only is an embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.Such as: described locking plate rotational angle control hole also can communicate with the locked groove that ends of downside, and the quantity of the corresponding locking plate that locking plate rotational angle control hole is controlled also can be more than two; In addition, in other embodiments, the quantity of described locking plate rotational angle control hole also can determine (as being more than two, and offer these locking plate rotational angle control holes can be taked up and down symmetry, front and back are symmetrical or asymmetric manner) as required flexibly.

Claims

1, anti-theft unlocking mortice lock, it comprises lock body, is contained in lock cylinder in the lock body rotationally, lock core is axially having keyhole, lock core is provided with some locking plate grooves, is loaded on the locking plate of a pair of stacked placement in each locking plate groove and is connected in this to the spring between the locking plate, lock body is provided with the locked groove that ends that twice are symmetrical in the locking plate groove, each locking plate is with corresponding locking plate groove and end locked groove and be slidingly matched, and it is characterized in that: have one on the lock body at least and can avoid this lock by the locking plate rotational angle control hole of technical unlocking.

2, anti-theft unlocking mortice lock according to claim 1 is characterized in that: the rotational angle of the corresponding locking plate that described locking plate rotational angle control hole is controlled is limited in 30 to 89 degree.

3, anti-theft unlocking mortice lock according to claim 1 and 2 is characterized in that: described locking plate rotational angle control hole is connected with the corresponding locked groove that ends.