CN102535971B - Anti-theft lock core - Google Patents
Anti-theft lock core Download PDFInfo
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- CN102535971B CN102535971B CN201210067697.5A CN201210067697A CN102535971B CN 102535971 B CN102535971 B CN 102535971B CN 201210067697 A CN201210067697 A CN 201210067697A CN 102535971 B CN102535971 B CN 102535971B
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- lock core
- hinge
- secondary trenches
- keyhole
- groove
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Abstract
The present invention discloses a kind of anti-theft lock core, its keyhole passage to be positioned on lock core shaft's line or with lock core shaft's line parallel, keyhole passage is provided with and guides the guiding groove of key turnover or guide projection, it is characterized in that: along lock core shaft to setting up secondary trenches on keyhole passage, described secondary trenches is communicated with hinge groove or marble hole.When using the material such as paper scrap, cotton, clay to clog to carry out skilled unlocking into lockhole, the material of these fillings is clogged into secondary trenches through keyhole passage, hinge or pellet cannot smooth and easy movements in hinge groove or marble hole by choke material hinders, considerably increase the difficulty of skilled unlocking, thus improve the theftproof performance of theftproof lock.
Description
Technical field
The present invention relates to a kind of lock core of theftproof lock.
Background technology
The quality of theftproof lock performance, depends on the structure of lock core to a great extent.Anti-theft lock core of the prior art, such as, with the theftproof lock of hinge, its basic operating principle is arranged in parallel within some groups of hinges of teeth groove breach the hinge groove be arranged on lock core, when unblanking with locking, hinge can move in hinge groove, and hinge is resetted by spring element.When key does not insert lock core, the teeth groove breach in hinge is staggered, and on-of pin of unblanking can not fall into teeth groove breach, and main lock core is connected with theftproof lock shell by on-of pin of now unblanking, and main lock core can not rotate, and reaches the object of locking.When inserting this lock key, the teeth groove gapped alignments that key bit extruding hinge makes hinge move on it is in alignment, and on-of pin of unblanking departs from lock housing and falls into the teeth groove breach be arranged in a row, now, lock core is rotatable, and drives dead bolt rotation to realize theftproof lock unlatching; After key is extracted, hinge resets under the elastic force effect of back-moving spring.For similar theftproof lock, the skilled unlocking that can carry out in the following way: by soft material as paper scrap, cotton, clay etc. are clogged into key aerial, now have the people of the experience of unblanking to use master key or other instruments can say that theftproof lock is opened with feel, this brings great potential safety hazard to the normal use of theftproof lock.Based on same principle, with the anti-theft lock core of pellet or other theftproof lock, when meeting with similar above-mentioned skilled unlocking, also there is identical potential safety hazard in prior art.
Summary of the invention
In order to solve the technical problem existed in above-mentioned existing theftproof lock, the invention provides that a kind of structure is simple, easy to process, the better anti-theft lock core of theftproof performance.
The present invention is realized by such mode: a kind of anti-theft lock core, its keyhole passage to be positioned on lock core shaft's line or with lock core shaft's line parallel, keyhole passage is provided with and guides the guiding groove of key turnover or guide projection, it is characterized in that: on keyhole passage, set up secondary trenches on lock core axis direction, described secondary trenches is communicated with hinge groove or marble hole.Owing to offering secondary trenches on lock core body keyhole passage, and this secondary trenches is connected with hinge groove or marble hole, when using the material such as paper scrap, cotton, clay to clog to carry out skilled unlocking into lockhole, the material of these fillings is clogged into secondary trenches through keyhole passage, hinge or pellet cannot smooth and easy movements in hinge groove or marble hole by choke material hinders, considerably increase the difficulty of skilled unlocking, thus improve the theftproof performance of theftproof lock.The secondary trenches of setting up can for one or more of, and secondary trenches both can the through outer face to keyhole place, also can not the through outer face to keyhole place, and secondary trenches is positioned at lock core near one end of keyhole outer face.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the first embodiment;
Fig. 2, Fig. 3 are the first embodiment lock core courage schematic perspective views;
Fig. 4 is the first embodiment lock core courage front view;
Fig. 5 be Fig. 4 Q-Q to sectional view;
Fig. 6 is the assembling schematic diagram of the second embodiment;
Fig. 7, Fig. 8 are the schematic perspective views after the second embodiment lock core is cut open;
The sectional view of Fig. 9, Figure 10 difference the second embodiment lock core;
Figure 11 is the 3rd embodiment assembling schematic diagram;
Figure 12, Figure 13 are the schematic perspective views after the 3rd embodiment lock core is cut open;
Figure 14, Figure 15 are the sectional view of the 3rd embodiment lock core respectively;
Figure 16 is the assembling schematic diagram of the 4th embodiment;
Figure 17 is the schematic perspective view of the 4th embodiment lock core.
Number in figure and represent respectively: key 1, lock core 2, lock core courage 21, lock core bile set cylinder 22, key guide groove 31, key guide projection 32, secondary trenches 4, hinge groove 5, keyhole passage 6, pellet 7, keyway 8, marble hole 9.
Specific embodiment
Fig. 1 ~ Figure 17 is the accompanying drawing of the present invention's four kinds of embodiments, because patent of the present invention is improvements over the prior art, therefore the reposition element of hinge not shown in FIG., unblank on-of pin and hinge (or pellet) thereof.
The schematic diagram of Fig. 1 ~ Figure 5 shows that the first embodiment of the present invention, in a first embodiment, the lock core of theftproof lock has a lock core bile set cylinder 22, lock core courage 21 is cylindrical shape, the direction of lock core courage periphery and lock core axes normal offers several hinge grooves 5 arranged in parallel, hinge is placed in hinge groove 5, single hinge can be placed in each hinge groove 5, also two hinges can be placed symmetrically, hinge is band arc-shaped jaggy, when theftproof lock is in blocking, breach in hinge arranges alternately, lock housing is connected with lock core by clutch bolt (not shown) of unblanking, lock core can not rotate, after this lock key inserts, key bit extruding hinge makes hinge be subjected to displacement, and the back-moving spring of hinge is compressed, gapped alignments in hinge is in alignment, clutch bolt of unblanking departs from lock housing and falls into the breach of hinge, and now lock core is separated with lock housing, and rotating key can by institute's unlocking anti-theft lock, after extracting key, back-moving spring restores to the original state and hinge is resetted, and the breach of hinge is no longer arranged in straight line, and clutch bolt of unblanking is pushed out hinge breach and lock core and lock housing are linked together by this clutch bolt, and theftproof lock is blocked.On the periphery that keyhole passage 6 is arranged on lock core courage 21 and with lock core shaft's line parallel, keyhole is inserted smoothly for making key 1, keyhole passage 6 is provided with guiding groove 31, and arrange in the both sides of guiding groove 31 and arrange two secondary trenches 4 symmetrically, this secondary trenches 4 is connected with hinge groove 5.Lock core shown in Fig. 3, secondary trenches 4 is through whole lock core on the direction of lock core axis, easy to process; And the lock core shown in Fig. 2, secondary trenches 4 is positioned at lock core near one end of keyhole passage 6 entrance face, from key port direction, secondary trenches 4 is hidden in lock core.
Fig. 6 ~ Figure 10 shows that the second embodiment of the present invention.Contrast with the first embodiment, its main feature is: anti-theft lock core does not have lock core bile set cylinder, and key 1 passage is positioned on the axis of lock core 2, inserts keyhole smoothly for making key 1, keyhole passage is arranged guiding groove 31, guiding groove 31 bilateral symmetry two secondary trenches 4 are set.Wherein, in the lock core shown in Fig. 7, secondary trenches 4 is positioned at lock core near one end of keyhole passage 6 entrance face, and from key port direction, secondary trenches 4 is hidden in lock core 2; And in the lock core shown in Figure 11, two end faces of the through lock core of secondary trenches 4.
Figure 11 ~ Figure 15 shows that the third embodiment of the present invention, contrast with first embodiment, main feature is: hinge groove 4 is through in lock core radial direction, and when unblanking with locking, the hinge being arranged in hinge groove 4 moves radially at lock core.The keyhole passage 6 of this embodiment is positioned on the axis of lock core, for making key 1 insert keyhole smoothly, keyhole passage being arranged and guides projection 32, is arranging two secondary trenches 4 with guiding the bilateral symmetry of projection 32.Lock core shown in Figure 13, secondary trenches 4 is through whole lock core on the direction of lock core axis, easy to process; And the lock core shown in Figure 12, secondary trenches 4 is positioned at lock core near one end of keyhole passage 6 entrance face. and from key port direction, secondary trenches 4 is hidden in lock core.
In above three embodiments, when adopting theftproof lock of the present invention to meet with skilled unlocking, if clog paper scrap from keyhole, cotton, the paddings such as sticky scholar, these paddings will be squeezed in hinge groove along secondary trenches, if lock core does not arrange secondary trenches, padding is difficult to enter hinge groove, even if or have the padding of trace to enter hinge groove, also influence technique is not unblanked, and after secondary trenches is set, in skilled unlocking process, padding will be squeezed into hinge groove along secondary trenches, the mobile of hinge will be hindered, theftproof lock cannot carry out skilled unlocking, theftproof performance improves greatly.
Figure 16 ~ Figure 17 shows that the 4th kind of embodiment of the present invention, this embodiment is the improvement to the anti-theft lock core with pellet.Be arranged in lock core 2 to the radial parallel arrangement of pellet 7, each pellet radially offers keyway 8, when theftproof lock closes, under the effect of back-moving spring (not shown in FIG.), the keyway 8 of pellet 7 is staggered, on-of pin of unblanking can not fall into keyway 8, lock core is connected with shell by on-of pin of now unblanking, and realizes the closed of theftproof lock; After this institute key 1 inserts keyhole passage 6, pellet 7 extrudes by the teeth groove on key 1 and keyway 8 is arranged in straight line, and on-of pin of unblanking departs from shell and falls into keyway 8, dead bolt will be driven to rotate, and realize the unlatching of theftproof lock when now rotating key 1.The improvement of the invention is, the keyhole passage of main lock core offers secondary trenches 4, and this secondary trenches 4 connects with the marble hole 9 be positioned on lock core.When theftproof lock meets with skilled unlocking, if clog paper scrap from keyhole, cotton, the paddings such as clay, these paddings will be squeezed in marble hole 9 along secondary trenches, if lock core does not arrange secondary trenches, padding is difficult to enter marble hole, even if or have the padding of trace to enter marble hole, also influence technique is not unblanked, and after secondary trenches 4 is set, in skilled unlocking process, padding will be squeezed into marble hole along secondary trenches, the mobile of pellet will be hindered, theftproof lock cannot carry out skilled unlocking, theftproof performance improves greatly.
In any one embodiment above-mentioned, secondary trenches 4 can be one, also can be two or more pieces that is symmetrical or asymmetric setting, when groove is two or more pieces, skilled unlocking causes padding to enter the probability of hinge groove or marble hole more greatly, and the theftproof performance of lock core is better.Secondary trenches 4 can be through lock core both ends of the surface on lock core axis direction, also lock core axis can be parallel to and between both ends of the surface, or secondary trenches 4 is positioned at lock core near one end of keyhole passage 6 entrance face, from key port direction, secondary trenches 4 is hidden in lock core.Guiding groove on key channel or guiding projection coordinate wall scroll secondary trenches or two bar secondary trenches, can select through or not through lock core both ends of the surface etc., anyway combine, all belong to the scope of protection of the invention.
Claims (7)
1. an anti-theft lock core, its keyhole passage (6) to be positioned on lock core axis or with lock core shaft's line parallel, keyhole passage (6) is provided with and guides the guiding groove (31) of key turnover or guide projection (32), it is characterized in that: in described guiding groove (31) or the side or the both sides that guide projection (32), be provided with one or more of secondary trenches (4), described secondary trenches (4) is communicated with hinge groove (5) or marble hole (9).
2. anti-theft lock core according to claim 1, is characterized in that: described secondary trenches (4) is positioned at lock core near one end of keyhole entrance face.
3. anti-theft lock core according to claim 2, is characterized in that: described secondary trenches (4) is parallel to lock core axis.
4. anti-theft lock core according to claim 1, is characterized in that: described secondary trenches (4) penetrates into the end face of keyhole entrance near one end of keyhole entrance.
5. the anti-theft lock core according to any one of Claims 1-4, it is characterized in that: described hinge groove (5) is arranged in parallel and perpendicular to lock core axis, or described marble hole (9) to arranged in parallel, is provided with hinge or the pellet (7) of spring element returns in lock core shaft in each hinge groove (5) or marble hole (9).
6. anti-theft lock core according to claim 5, it is characterized in that: described hinge groove (5) is opened in the surface of lock core courage (21), described lock core courage (21) is nested in cylindrical lock core bile set (22), when unblanking with locking, described hinge is along the circumferential movement of lock core.
7. anti-theft lock core according to claim 5, is characterized in that: described hinge groove (5) is for several are perpendicular to the through hole of lock core axis, and when unblanking with locking, described hinge is along lock core radial motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210067697.5A CN102535971B (en) | 2011-11-21 | 2012-03-14 | Anti-theft lock core |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110372348.X | 2011-11-21 | ||
| CN201110372348X | 2011-11-21 | ||
| CN201110372348 | 2011-11-21 | ||
| CN201210067697.5A CN102535971B (en) | 2011-11-21 | 2012-03-14 | Anti-theft lock core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102535971A CN102535971A (en) | 2012-07-04 |
| CN102535971B true CN102535971B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210067697.5A Active CN102535971B (en) | 2011-11-21 | 2012-03-14 | Anti-theft lock core |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485814A (en) * | 2019-09-11 | 2019-11-22 | 研诺智能设备（广州）有限公司 | Hinge anti-theft lock and assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101479435A (en) * | 2006-06-19 | 2009-07-08 | 阿布莱有限公司 | Key and disc tumbler cylinder lock |
| CN101798886A (en) * | 2010-03-01 | 2010-08-11 | 王文鸿 | Aircraft type steel sheet idling lock core |
| CN101974988A (en) * | 2010-11-17 | 2011-02-16 | 李杰伟 | Lock core with master and auxiliary blade structure |
| EP2314807A2 (en) * | 2009-10-21 | 2011-04-27 | ABUS Pfaffenhain GmbH | Locking system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE528842C2 (en) * | 2005-08-05 | 2007-02-27 | Winloc Ag | Lock and key system with improved holders in the lock |
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2012
- 2012-03-14 CN CN201210067697.5A patent/CN102535971B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101479435A (en) * | 2006-06-19 | 2009-07-08 | 阿布莱有限公司 | Key and disc tumbler cylinder lock |
| EP2314807A2 (en) * | 2009-10-21 | 2011-04-27 | ABUS Pfaffenhain GmbH | Locking system |
| CN102041924A (en) * | 2009-10-21 | 2011-05-04 | Abus普法芬海恩有限公司 | Locking system |
| CN101798886A (en) * | 2010-03-01 | 2010-08-11 | 王文鸿 | Aircraft type steel sheet idling lock core |
| CN101974988A (en) * | 2010-11-17 | 2011-02-16 | 李杰伟 | Lock core with master and auxiliary blade structure |
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| Publication number | Publication date |
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| CN102535971A (en) | 2012-07-04 |
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Effective date of registration: 20170405 Address after: 528400 Guangdong Province, Zhongshan City Xiaolan Town Luxi Industrial Park Guangfeng Guangshan Road No. 35 Patentee after: GUANGDONG BIAOCHEN SECURITY EQUIPMENT Co.,Ltd. Address before: Guangcheng road 528400 Zhongshan City Xiaolan Town, Guangdong province No. 222 Qingfeng garden 26 building 301 room Patentee before: Li Haoyuan |
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Effective date of registration: 20171204 Address after: Xin Jia Xiang Xin Rong Jie the Guangxi Zhuang Autonomous Region 533800 Baise Jingxi City No. 20 Patentee after: Guangxi Yue Ma anti-theft technology Co.,Ltd. Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Town Luxi Industrial Park Guangfeng Guangshan Road No. 35 Patentee before: GUANGDONG BIAOCHEN SECURITY EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20230413 Address after: 528400 7 / F, building D, Yuema Industrial Park, Fuxi, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Yuema Intelligent Technology Co.,Ltd. Address before: 533800 No.20 Xinrong street, Xinjia Township, Jingxi City, Baise City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Yue Ma anti-theft technology Co.,Ltd. |
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| TR01 | Transfer of patent right |