CN103075048B - Detaching-type mechanical antitheft lock - Google Patents

Detaching-type mechanical antitheft lock Download PDF

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Publication number
CN103075048B
CN103075048B CN201210356042.XA CN201210356042A CN103075048B CN 103075048 B CN103075048 B CN 103075048B CN 201210356042 A CN201210356042 A CN 201210356042A CN 103075048 B CN103075048 B CN 103075048B
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China
Prior art keywords
lock
swivel becket
ring
lock core
detaching
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CN201210356042.XA
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Chinese (zh)
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CN103075048A (en
Inventor
吕雪寒
叶延亮
徐忠顺
曹俊标
房丽敏
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Anhui Hang Rui Electronic Science and Technology Co., Ltd.
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Beihua University
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Abstract

The invention relates to a detaching-type mechanical antitheft lock, which comprises a lock body, a lock cylinder, a transmission mechanism, a bolt and a matched key. The detaching-type mechanical antitheft lock is mainly characterized in that an inner fixed ring, a rotating ring and an outer fixed ring are arranged between the lock body and the lock cylinder, the rotating ring is arranged between the inner fixed ring and the outer fixed ring, a rotating ring rib is arranged on the rotating ring, and a spring connecting column is arranged on the rotating ring rib; a limiting plate is arranged between the inner fixed ring and the outer fixed ring, pins are arranged in the inner fixed ring, the rotating ring and the outer fixed ring, and the length of the pin in the rotating ring is equal to the thickness of the rotating ring; and a restoring baffle and a restoring push spring are arranged between the outer fixed ring and a steel plate on the side surface of the lock body, and a rotating ring pull spring is arranged between a rotating ring connecting column and the lock body; and the transmission mechanism comprises a cam and a driving rod, the cam is connected onto the lock cylinder in a splined way, and the driving rod is hinged with the lock cylinder. During unlocking, firstly a lock cylinder pin is in contact with other pins and then is detached from the other pins after positioning is completed, so as to prevent technical unlocking.

Description

A kind of Detaching-type mechanical antitheft lock
Technical field
The present invention relates to a kind of mechanical anti-theft lock, be specifically related to a kind of Detaching-type mechanical antitheft lock.
Background technology
Mechanical lock is generally made up of lock body, lock core, transmission mechanism and dead bolt (bolt) etc.Lock core is critical component, includes lock core marble group.Action and the movement range of lock core marble are determined by key, only run into correct key, and lock core marble just can move to tram, and lock core just can rotate or the motion of other form, and then drives transmission mechanism to complete unlocking action.Mechanical lock on market, change in any case, the design of most lockset has a common feature, namely before unlocking mechanism action, each pellet group parts such as (or) blades is relevant to other to be unblanked to be in all the time between executing agency and contacts with each other or certain contact status, makes technical opening lockset there is possibility.
In order to improve the protection level of theftproof lock, Most designers makes lock core internal structure complicated all as possible, it is novel unique to strive, strengthen size of key, its shortcoming is to increase required precision and manufacture difficulty, cost also improves thereupon, does like this and mechanical strength may be caused to reduce, and needs again to prevent from destroying with elevating mechanism intensity with special quality material.The anti-technical opening ability of lockset also had is comparatively strong, but unlock operation process is more loaded down with trivial details.
Summary of the invention
The object of this invention is to provide a kind of Detaching-type mechanical antitheft lock, first to be contacted with other pellet by lock core marble and after completing location again with its disengaging, unblank in order to preventing techniques.
In order to achieve the above object, the present invention has following technical scheme:
A kind of Detaching-type mechanical antitheft lock of the present invention, comprise lock body, lock core, transmission mechanism, dead bolt, locking bolt, matched key, described lock core is installed on lock body center, lock core end connection for transmission mechanism, described dead bolt, locking bolt is positioned at lock body top, described matched key is unblanked for inserting lockhole, an internal fixtion ring is arranged with outside lock core, a swivel becket is arranged with outside internal fixtion ring, an extenal fixation ring is arranged with outside swivel becket, described swivel becket is provided with swivel becket fin, swivel becket fin is provided with a spring joint pin, a limiting plate is connected with between internal fixtion ring and extenal fixation ring, inner shrapnel is provided with in internal fixtion ring marble hole, middle pellet is provided with in swivel becket marble hole, outer pellet is provided with in extenal fixation ring marble hole, wherein, middle spring length in swivel becket is identical with swivel becket thickness, be provided with reseting baffle between extenal fixation ring and lock body both sides steel plate, described reseting baffle one side pushes away spring by reset and is connected with lock body, and reseting baffle another side and cam contact, be provided with a swivel becket extension spring between swivel becket joint pin and lock body.
Wherein, described inner shrapnel is sheet, and middle pellet and outer pellet are cylindric.
Wherein, described swivel becket fin, spring joint pin and swivel becket are structure as a whole.
Wherein, the end of described inner shrapnel is provided with chamfering.
Wherein, described transmission mechanism is cam and driving lever, and cam is connected on lock core by spline joint mode, driving lever and lock core hinged.
Wherein, certain distance is had between described lock core and internal fixtion ring.
Owing to taking above technical scheme, the invention has the advantages that:
1. the pellet in lock core and executing agency of unblanking can depart from and contact directly in good time by the present invention, and various unlocking tool cannot be played a role.
Even if 2. lockset of the present invention bores open keyhole and can not open lockset.
3. of the present inventionly to lock, process operation of unblanking is simple, each age group crowd is all applicable.
4. each component of the present invention are easy to processing and manufacturing, and cost is low, are applicable to batch production.
5. the present invention is not limited to security door, safety cabinet, national treasury etc. other lock and environmentally also can use.
Accompanying drawing explanation
Fig. 1: assembling schematic front view of the present invention;
Fig. 2: assembling diagrammatic top view of the present invention;
Fig. 3: the front view of swivel becket of the present invention and top view.
Wherein: 1: lock body, 2: lock core, 3: lockhole, 4: limiting plate, 5: cam, 6: extenal fixation ring, 7: lock core marble, 8: swivel becket, 9: internal fixtion ring, 10: reseting baffle, 11: inner shrapnel, 12: reset and push away spring, 13: outer pellet, 14: middle pellet, 15: finger B, 16: driving lever is promoted, 17: locking bolt arm-tie, 18: dead bolt arm-tie, 19: dead bolt push button, 20: driving lever, 21: finger C, 22: pellet extension spring, 23: finger A, 24: swivel becket extension spring, 25: swivel becket fin, 26: spring joint pin.
Detailed description of the invention
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Detaching-type mechanical antitheft lock as shown in Figure 1, Figure 2, Figure 3 shows:
1. matched key both sides are with " tartar " (" tartar " is the height relief fabric of the every side of matched key), and centre is column.5 positions are designed in every side " tartar ", maximum height difference 2.5mm between each position, differential 0.5mm, there are 6 kinds of selectable height each position: 0.0mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, then size of key is 10 powers of 6, namely 6,046 ten thousand (as selected maximum height difference to be 2.0mm, then each position has 5 kinds can select height, and size of key is 10 powers of 5, and namely 9,760,000, advantage is that size reduces, and the curve of " tartar " is more level and smooth).
2. the thick 4mm of the outside plate of lock body 1, the thick 3mm of interior survey steel plate, lock core 2 is positioned at the center of lock body 1, rotatable, and 10 lock core marbles 7 are wherein housed.Ring body around lock core is from inside to outside respectively: internal fixtion ring 9, swivel becket 8 and extenal fixation ring 6, these three ring bodies are assembled together mutually, wherein swivel becket 8 is rotatable, another two retainer rings are fixed on lock body 1, and lock core 2 does not contact with internal fixtion ring 9, and spacing is 3.5mm, an end face (i.e. cross section) of swivel becket 8 is concordant, another end face is not concordant, and its outstanding position is that swivel becket fin 25 exceeds 4.5mm, swivel becket fin 25 is fixed with spring joint pin 26.Pellet in internal fixtion ring 9, swivel becket 8 and extenal fixation ring 6 is inner shrapnel 11, middle pellet 14 and outer pellet 13 respectively, and only have inner shrapnel 11 for sheet, all the other are cylindric.Pellet group totally 10 groups, corresponding lockhole 3 is uniformly distributed in lock core both sides, and namely there are 5 groups of pellets every side.Often organize pellet to be made up of 4 pellets, wherein first pellet and lock core marble 7 are arranged in lock core 2, and follow lock core all the time and rotate together, this pellet one end reaches 0.5mm outside lock core, top distance internal fixtion ring 9 inner surface 3mm, be arranged in the total length 11mm of lock core 2, therefore can not deviate from from marble hole, simultaneously for making the timely return of this pellet, pellet extension spring 22 is installed between the pellet of both sides, this pellet outwards moves a certain distance because of the insertion of matched key, matches with the height of key " tartar "; Inner shrapnel 11 static state is lower not to be contacted with lock core 2 external surface, inner shrapnel end is inclined-plane up and down, therefore rotating clockwise or counterclockwise of lock core 2 can not be affected, the surface of lock core 2 has 5 grooves, width 1.2mm, and the thickness of inner shrapnel 11 is 2mm, therefore inner shrapnel 11 and lock core 2 external surface spacing can be kept to be 0.5mm, and can not slip in groove; The length (4.5mm) of middle pellet 14 is identical with the thickness of swivel becket 8, therefore only has and often organize pellet and move to middle pellet 14 when flushing with the inside and outside surface of swivel becket 8, and swivel becket 8 just rotatably.Limiting plate 4 two ends are fixed between internal fixtion ring 9 and extenal fixation ring 6, be positioned at below lock body 1, for limiting static position and the usable rotational direction of swivel becket 8, i.e. static lower internal fixtion ring, extenal fixation ring communicates with the marble hole level of swivel becket, and swivel becket 8 can only rotate, when swivel becket fin 25 is still stuck on the left of limiting plate 4 when key turns is less than 23 degree of angles to a direction.Cam 5 spline joint mode is fixed on lock core 2, it is fixed with finger A23, finger B15 and finger C21, after cam 5 rotates 23 degree of angles, finger A23 makes swivel becket 8 rotate by promoting swivel becket fin 25, finger B15 promotes driving lever 20 and swings, it can promote locking bolt arm-tie 17 and to move back and forth and the later stage promotes dead bolt arm-tie 18 and moves when swinging, finger C21 swings for promoting driving lever 20 in the other direction, cam 5 both sides straight line contacts with two reseting baffles 10 respectively, can promote it and swing sideward dynamic when cam 5 rotates; Reseting baffle 10 pushes away spring 12 by reset can backswing, and effect is when key is extracted out, and internal fixtion ring 9, extenal fixation ring 6 reset in time with the pellet in swivel becket 8; One end of swivel becket extension spring 24 is connected to lock body 1, and the other end is connected on spring joint pin 26, and effect is when matched key spinning reduction and makes swivel becket 8 return in time after extracting out, and driving lever 20 is hinged with lock core 2, and swingable.
3. to unblank process: under static state, lock core marble 7 does not contact with other 3 kinds of pellets, insert in matched key rotation 23 degree of angle processes just to contact with inner shrapnel 11 and promote other pellet and moved location action, now, reseting baffle 10 swings laterally, inner shrapnel 11 can not be stoped, middle pellet 14 and outer pellet 13 running fix.Rotate in 60 degree of angle processes at lock core after this, lock core marble 7 first disengages with inner shrapnel 11, now finger A23 is contacted with swivel becket fin 25 and is promoted by swivel becket fin 25 that swivel becket 8 rotates, driving lever 20 swings, locking bolt arm-tie 17 moves and dead bolt arm-tie 18 moves, and then realizes opening lockset.When key is incorrect, middle pellet 14 and outer pellet 13 can stop swivel becket 8 to rotate, therefore lock core 2 can only rotate 23 degree of angles, and can not promote swivel becket 8 afterwards and rotate, namely lock core can not be rotated further, and can not realize unblanking.
4. the pellet for guaranteeing in internal fixtion ring, extenal fixation ring and swivel becket can not move to incorrect position because inertia slides when locating, and preserves transfixion, viscous oil of can annotating in marble hole after guaranteeing its location simultaneously.
5. driving lever distribution 16 is fixed on driving lever 20, by arc-shaped elongated hole Shen within doors, therefore can under any circumstance be moved back and forth by driving lever distribution 16 promotion locking bolt arm-ties 17 in door, realize unblanking or locking, this function can prevent from being locked can not opening lockset in people within doors.
6. the process of locking inserts key outdoors, and reversely rotating 50 degree of angles can complete, and then resets, and extracts key out; Dead bolt push button 19 is fixedly connected with dead bolt arm-tie 18, and removable dead bolt push button 19 realizes the unlatching of dead bolt in doors; Utilize moving back and forth of locking bolt arm-tie 17, its right-hand member can extend and be connected to drive locks a unlatching up and down with on the transmission mechanism of locking, thus realizes multi-point fastening.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.

Claims (6)

1. a Detaching-type mechanical antitheft lock, comprise lock body, lock core, transmission mechanism, dead bolt, locking bolt, matched key, described lock core is installed on lock body center, in lock core, lock core marble is housed, lock core end connection for transmission mechanism, described dead bolt, locking bolt is positioned at lock body top, described matched key is unblanked for inserting lockhole, it is characterized in that: outside lock core, be arranged with an internal fixtion ring, a swivel becket is arranged with outside internal fixtion ring, an extenal fixation ring is arranged with outside swivel becket, described swivel becket is provided with swivel becket fin, swivel becket fin is provided with a spring joint pin, a limiting plate is connected with between internal fixtion ring and extenal fixation ring, inner shrapnel is provided with in internal fixtion ring marble hole, middle pellet is provided with in swivel becket marble hole, outer pellet is provided with in extenal fixation ring marble hole, wherein, middle spring length in swivel becket is identical with swivel becket thickness, described transmission mechanism comprises cam and driving lever, cam is fixed with three fingers, reseting baffle is provided with between extenal fixation ring and lock body both sides steel plate, described reseting baffle one side pushes away spring by reset and is connected with lock body, reseting baffle another side and cam contact, and under static state, cam both sides straight line contacts with two reseting baffles respectively, a swivel becket extension spring is provided with between spring joint pin and lock body.
2. a kind of Detaching-type mechanical antitheft lock according to claim 1, described inner shrapnel is sheet, and middle pellet and outer pellet are cylindric.
3. a kind of Detaching-type mechanical antitheft lock according to claim 1, described swivel becket fin, spring joint pin and swivel becket are structure as a whole.
4. a kind of Detaching-type mechanical antitheft lock according to claim 1 and 2, the end of described inner shrapnel is provided with chamfering.
5. a kind of Detaching-type mechanical antitheft lock according to claim 1, described cam is connected on lock core by spline joint mode, driving lever and lock core hinged.
6. a kind of Detaching-type mechanical antitheft lock according to claim 1, has certain distance between described lock core and internal fixtion ring.
CN201210356042.XA 2012-09-21 2012-09-21 Detaching-type mechanical antitheft lock Active CN103075048B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210356042.XA CN103075048B (en) 2012-09-21 2012-09-21 Detaching-type mechanical antitheft lock

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Application Number Priority Date Filing Date Title
CN201210356042.XA CN103075048B (en) 2012-09-21 2012-09-21 Detaching-type mechanical antitheft lock

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CN103075048B true CN103075048B (en) 2015-05-20

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111395870B (en) * 2020-03-13 2021-03-23 北华大学 Incomplete gear drive type mechanical anti-theft lock

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393213A1 (en) * 1989-04-17 1990-10-24 Mauer GmbH Safe lock
CN1109943A (en) * 1995-02-16 1995-10-11 马跃胜 Unlocking method and lock opened thereby
CN101555742A (en) * 2009-05-11 2009-10-14 吴远才 Key-type mechanical code lock
CN201891300U (en) * 2010-11-18 2011-07-06 刘宁 Linked double-insurance lock core

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393213A1 (en) * 1989-04-17 1990-10-24 Mauer GmbH Safe lock
CN1109943A (en) * 1995-02-16 1995-10-11 马跃胜 Unlocking method and lock opened thereby
CN101555742A (en) * 2009-05-11 2009-10-14 吴远才 Key-type mechanical code lock
CN201891300U (en) * 2010-11-18 2011-07-06 刘宁 Linked double-insurance lock core

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Effective date of registration: 20170831

Address after: 300000 Tianjin city Wuqing district town planning light South Road Ferndean city 22-1-101

Patentee after: Ren Wang

Address before: 132013 Binjiang East Road, Jilin, China, No. 3999, No.

Patentee before: Beihua University

CB03 Change of inventor or designer information

Inventor after: Lv Xuehan

Inventor after: Ye Yanliang

Inventor after: Xu Zhongshun

Inventor after: Cao Junbiao

Inventor after: Fang Limin

Inventor after: Ren Wang

Inventor before: Lv Xuehan

Inventor before: Ye Yanliang

Inventor before: Xu Zhongshun

Inventor before: Cao Junbiao

Inventor before: Fang Limin

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180920

Address after: 244002 three floor of No. 2 factory building No. 1688, North Taishan Road, Tongling, Anhui (Tai Xiang Industrial Park)

Patentee after: Anhui Hang Rui Electronic Science and Technology Co., Ltd.

Address before: 300000 new town planning in Wuqing District, Tianjin, 22-1-101

Patentee before: Ren Wang