CN202627673U

CN202627673U - Technical opening prevention lock

Info

Publication number: CN202627673U
Application number: CN 201220279406
Authority: CN
Inventors: 朱阿静
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-14
Filing date: 2012-06-14
Publication date: 2012-12-26
Anticipated expiration: 2022-06-14

Abstract

The utility model discloses a technical opening prevention lock. The lock comprises a lock cylinder and a lock body, wherein a keyhole is formed in the lock cylinder; two opposite sides of the keyhole are provided with first marble holes; corresponding first marbles are arranged in the first marble holes; second marbles holes corresponding to the first marble holes on the upper side of the lock cylinder are formed in a lock shell; and second marbles and second springs are arranged in the second marble holes. The lock is characterized in that a groove is formed on the other side of the lock cylinder, and is communicated with the first marble holes on the side; a transverse pin is arranged in the groove; the first marbles on the side are contacted with the transverse pin; spring pieces are arranged at the opening of the groove; first springs are arranged on the spring pieces; the first springs are contacted with the transverse pin; opposite surfaces of the transverse pin, which are contacted with the first marbles, are flush with the outer circumferential surface of the lock cylinder in the blocking state; and a transverse pin groove matched with the transverse pin is formed on the inner wall of the lock body. According to the structure, the lock can be prevented from being technically opened by thieves, and the lock cylinder can be prevented from being forcibly twisted; and the lock has the characteristics of high anti-theft performance and low mutual opening rate.

Description

The lockset of anti-technical opening

Technical field

The utility model relates to a kind of five metals lockset, relates in particular to a kind of lockset of anti-technical opening.

Background technology

The variety of configurations of lockset consists essentially of two kinds of locking plate formula and cylinder types at present, and wherein its lock core of the lockset of cylinder type is provided with the pellet shot from a slingshot hole, and pellet shot from a slingshot and spring are set in the pellet shot from a slingshot hole, and the key that is equipped with coupling just constitutes the cylinder type lockset; And the lockset of locking plate formula is that locking plate is set on lock core, also is equipped with corresponding key and gets final product.

For this reason, in order to improve theftproof performance, just cylinder type lockset and locking plate formula lockset have been done one comprehensively.Applied for that on November 30th, 2011 a kind of lock, application number are 201110420905.0, wherein disclose following content: a kind of lock like the applicant; Comprise lock shell, lock core, dead bolt and key; It is characterized in that said lock core comprises first lock core and second lock core, said first lock core with place together in the said lock shell after second lock core is connected, the keyhole both sides of said first lock core are provided with the pellet shot from a slingshot hole of symmetry; Said pellet shot from a slingshot hole is built-in with the corresponding pellet shot from a slingshot and first spring; Offer chute on said second lock core, and in second lock core at this moment some locking plates, the end of said locking plate is positioned at said chute and opens through hole at each sheet locking plate middle part; Wherein each locking plate has corresponding pushing top spring; Be provided with the circumferential groove corresponding in the said lock shell week, saidly be provided with the shrinkage pool that matees with said first pellet shot from a slingshot on the key, and be provided with ladder on the key with said locking plate; Wherein vertical diameter of each grade ladder and corresponding locking plate hole size are mated, and said dead bolt is arranged on second lock core.

The lockset of this structure has improved theftproof performance to a certain extent, but burglar's unlocking technique now is more and more brilliant, therefore, is necessary the lockset of the anti-technical opening that a kind of theftproof performance of utility model is higher.

Summary of the invention

In view of the problem that background technology exists, the technical problem that the utility model will solve provides the lockset of the higher anti-technical opening of a kind of theftproof performance.

For this reason, the utility model takes following technical scheme to realize: a kind of lockset of anti-technical opening comprises lock core and lock body; Said lock core is provided with keyhole, and the relative both sides of said keyhole are provided with the first pellet shot from a slingshot hole, and in the first pellet shot from a slingshot hole, corresponding first pellet shot from a slingshot is set; Said lock shell be provided with said lock core on the second corresponding pellet shot from a slingshot hole of the first pellet shot from a slingshot hole of a side, and be built-in with second pellet shot from a slingshot and second spring in the second pellet shot from a slingshot hole, it is characterized in that the opposite side of said lock core has groove; This groove communicates with the first pellet shot from a slingshot hole of this side; Be provided with lateral pin in the said groove, first pellet shot from a slingshot of this side contacts with said lateral pin, and said slot opening place is provided with spring leaf; On said spring leaf, be equipped with first spring; Said first spring contacts with said lateral pin, and the opposite face that said lateral pin contacts with first pellet shot from a slingshot is concordant with the outer circumference surface of said lock core under blocking, and said lock body inwall is provided with the transverse pin slot with said lateral pin coupling.

Said lock body inwall is provided with circumferential groove, and on lock core, has chute, and the relevant position that is provided with circumferential groove at said lock core is provided with some locking plates, and the middle part of said locking plate has through hole, and each locking plate is furnished with corresponding pushing top spring.

This structure of the utility model, as when opening, be convenient to the contact of first pellet shot from a slingshot with iron wire or master key instrument etc.; First pellet shot from a slingshot glides at once, is being with lateral pin to slide, and makes lateral pin expose the groove of lock core and is stuck in the transverse pin slot of lock shell; Therefore can prevent technical opening effectively, and because this structure has the purpose that prevents to turn round by force and open lockset; It is rational in infrastructure, and mutual opening rate is low, and theftproof performance is high.

Description of drawings

Combine accompanying drawing to further describe the relevant details of the utility model below again.

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model;

Fig. 2 is the structure chart of the utility model blocking;

Fig. 3 is the structure chart of the utility model unlocking condition;

Fig. 4 is the cut-away view of lock body.

The specific embodiment

With reference to accompanying drawing, the lockset of this anti-technical opening comprises lock core 6 and lock body 16; Said lock core 6 is provided with keyhole 20; The relative both sides of said keyhole 20 are provided with the first pellet shot from a slingshot hole 7, and corresponding first pellet shot from a slingshot, 5,5 ＇ are set in the first pellet shot from a slingshot hole 7, said lock shell 16 be provided with said lock core 6 on the second corresponding pellet shot from a slingshot hole 17 of the first pellet shot from a slingshot hole 7 of a side; And be built-in with second pellet shot from a slingshot 18 and second spring 19 in the second pellet shot from a slingshot hole 17; Said lock body 16 inwalls are provided with circumferential groove 23, and on lock core 6, have chute 11, and the relevant position with circumferential groove 23 on said lock core 6 is provided with some locking plates 13; The middle part of said locking plate 13 has through hole 14, and each locking plate 13 is furnished with corresponding pushing top spring 15.Employed key 1 not only is provided with the shrinkage pool 3 with first pellet shot from a slingshot, 5,5 ＇ coupling in the utility model on the two sides of key piece 2, also on key piece 2, is provided with the step 4 that cooperates with said locking plate 13, has groove 21 at the opposite side of said lock core 6; This groove 21 communicates with the first pellet shot from a slingshot hole 7 of this side, is provided with lateral pin 8 in the said groove 21, and first pellet shot from a slingshot, 5 ＇ of this side contact with said lateral pin 8; Said groove 21 opening parts are provided with spring leaf 10, and this spring leaf 10 uses as spring base, can not protrude the external peripheral surface of lock core 6 when being provided with; On said spring leaf 10, be equipped with first spring 9, said first spring 9 contacts with said lateral pin 8, behind lateral pin 8 pressurizeds; Because self-return under the state that acts on pressurized not of first spring 9, said lateral pin 8 is concordant with the outer circumference surface of said lock core 6 under blocking with the opposite face that first pellet shot from a slingshot, 5 ＇ contact, therefore; Under normal circumstances; After inserting the matching degree key, after the pellet shot from a slingshot that the shrinkage pool of key piece contacts with lateral pin cooperated, lateral pin 8 was also concordant with the outer circumference surface of said lock core 6 with the opposite face that first pellet shot from a slingshot, 5 ＇ contact; During rotational lock core 6, can normally unblank; Said lock body 16 inwalls are provided with the transverse pin slot 24 with said lateral pin 8 couplings, and this transverse pin slot 24 is used for holding the lateral pin 8 that slides.

The utility model is under blocking; Second pellet shot from a slingshot 18 is owing under the elastic force effect of second spring 19, promote second pellet shot from a slingshot 18, and push first pellet shot from a slingshot 5; Make the part of second pellet shot from a slingshot 18 enter into the first pellet shot from a slingshot hole 7 of lock core 6; Therefore, lock core 6 is blocked by second pellet shot from a slingshot 18, can not freely rotate.Locking plate 13 is because the effect of pushing top spring 15 simultaneously; Together overlapped; The end 12 of locking plate 13 all is positioned at chute 11, and the end 12 of locking plate 13 also all is positioned at the axial elongated slot 22 of said lock body 16, and the end 12 of locking plate 13 interlaces with circumferential grooves 23 in the lock body 16; Thereby lock core 6 can not rotate in lock body 16, so just is in dual blocking.At this moment; If the burglar inserts keyhole 20 with the object of technical openings such as iron wire, first pellet shot from a slingshot, 5 ＇ of keyhole 20 are with regard to pressurized, and first pellet shot from a slingshot, 5 ＇ promote lateral pin 8 and move down; And make lateral pin 8 expose the groove 21 of lock core 6 and be stuck in the transverse pin slot 24 of lock body 16, first spring, 9 pressurizeds simultaneously.Insert object more, the part that lateral pin 8 is stuck in the transverse pin slot 24 is many more, more difficult unlatchings, and if the object of employing insertion keyhole 20 twist by force, more can not open.After the object that inserts is pulled out, because the effect of first spring 9, make lateral pin 8 returns again.Therefore, this lockset has triple protection under blocking.

When unblanking; Insert the key 1 of coupling, the shrinkage pool 3 of key piece 2 one sides matees with first pellet shot from a slingshot 5 of lock core 6 corresponding sides, makes the pellet shot from a slingshot 5 of winning promote second pellet shot from a slingshot 18; And second pellet shot from a slingshot 18 is left the first pellet shot from a slingshot hole 7; Make the end of the pellet shot from a slingshot 5 of winning concordant simultaneously with the outer circumference surface of lock core 6, simultaneously, first pellet shot from a slingshot, 5 ＇ of the shrinkage pool of key piece 2 opposite sides and lock core 6 opposite sides coupling; Position when making first pellet shot from a slingshot, 5 ＇ of this side be in blocking, promptly lateral pin 8 can not expose the groove 21 of lock core 6 and snap onto in the transverse pin slot 24 of lock body 16.Step 4 on the key piece 2 matees with locking plate 13 simultaneously, because the ladder on the key piece 2 is from low to high, thereby; Can promote each locking plate 13 separates; Make the end 12 of locking plate 13 get into corresponding circumferential groove 23 on the lock body 16 separately, make locking plate 13 in circumferential groove 23, can rotate, at this moment key 1; Be rotational lock core 6, just can reach the purpose of unblanking.

This structure of the utility model, scientific and reasonable, particularly lockset has triple antitheft under blocking, and when technical opening, difficulty is higher, and under the state of strong twistlock core, can not unblank, and its theftproof performance is high.

Claims

1. the lockset of an anti-technical opening comprises lock core and lock body, and said lock core is provided with keyhole; The relative both sides of said keyhole are provided with the first pellet shot from a slingshot hole, and in the first pellet shot from a slingshot hole, corresponding first pellet shot from a slingshot are set, said lock shell be provided with said lock core on the second corresponding pellet shot from a slingshot hole of the first pellet shot from a slingshot hole of a side; And be built-in with second pellet shot from a slingshot and second spring in the second pellet shot from a slingshot hole; The opposite side that it is characterized in that said lock core has groove, and this groove communicates with the first pellet shot from a slingshot hole of this side, is provided with lateral pin in the said groove; First pellet shot from a slingshot of this side contacts with said lateral pin; Said slot opening place is provided with spring leaf, on said spring leaf, is equipped with first spring, and said first spring contacts with said lateral pin; The opposite face that said lateral pin contacts with first pellet shot from a slingshot is concordant with the outer circumference surface of said lock core under blocking, and said lock body inwall is provided with the transverse pin slot with said lateral pin coupling.

2. the lockset of anti-technical opening according to claim 1; It is characterized in that said lock body inwall is provided with circumferential groove; And on lock core, have a chute; The relevant position that is provided with circumferential groove at said lock core is provided with some locking plates, and the middle part of said locking plate has through hole, and each locking plate is furnished with corresponding pushing top spring.