CN204252661U - A kind of mechanical anti-theft lock - Google Patents
A kind of mechanical anti-theft lock Download PDFInfo
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- CN204252661U CN204252661U CN201420653395.0U CN201420653395U CN204252661U CN 204252661 U CN204252661 U CN 204252661U CN 201420653395 U CN201420653395 U CN 201420653395U CN 204252661 U CN204252661 U CN 204252661U
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Abstract
A kind of mechanical anti-theft lock, comprise lock body, lock core, anti-drilling sheet, key, emergent plectrum and main plectrum, it is characterized in that: in described lock core, be provided with blade groove, the different differential vane group of at least 5 groups is provided with in blade groove, often organize vane group by an internal tooth blade and an external tooth blade composition, the differential snakelike tank of the internal tooth corresponding with internal tooth blade is offered in a face of key, another face is offered the differential curved groove of the external tooth corresponding with external tooth blade, accordingly, the locking side column that elastic floating coordinates is provided with between the sidepiece of lock core and lock body.The vane group of external tooth combination in adopting, key also adopts interior external tooth to combine, and make size of key large, difficulty of reproduction is high.The utility model is simple and reasonable, manufacturing cost is lower, easy to use and safe and effective, greatly strengthen anti-drilling, the pick-proof of whole lock, anti-ly to draw, protecting against shock function, in its pair of Composite Double is stable, jumping formula locking side column structure is because technical opening is without feel, has extremely strong theftproof performance.
Description
Technical field
The utility model relates to a kind of lockset, specifically a kind of mechanical anti-theft lock for strongbox, cabinet, safety door.
Background technology
The master control lock of strongbox, cabinet and safety door, cashbox door, generally by Chinese safety technological guard certification, and must detect through Ministry of Public Security's pattern, and the GA/T73-94 standard implementation of detection foundation mechanical anti-theft lock 20 years, some index is obviously delayed.GA/T73-2013 drafts the mechanical anti-theft lock new standard of formulation, Xuan Guanhou is about to implement, and its indices is significantly improved, in addition along with the advanced follow-up of unlocking technique and unlocking tool, the necessary challenge in the face of new standard new technology of lockset design, therefore existing lockset is badly in need of correcting.
Through looking into, the existing patent No. is the Chinese patent " a kind of master control lock " of CN201220211979.3, comprise lock body, lock core and master key, different differential blade or pellet is provided with in lock core, also comprise interlock pellet or a pin, be limited in the stepped hole of lock core tail end movably, be equipped with return spring in the outer end of interlock pellet or pin, make it keep inside trend; One back-up ring, is placed on the step of lock core tail end, the outer end of return spring, and back-up ring is provided with the through hole that can place for interlock pellet or pin; One emergent plectrum, is placed on outside back-up ring, and the interlock breach planted when inner side is provided with Gong the interlock pellet corresponding with the lead to the hole site of back-up ring or pin ejects; One emergency key, is entered the interlock breach of emergent plectrum, realizes the unlatching of emergency mechanism by its end promotion interlock pellet or pin.The blade of this lockset is not knockdown, and therefore supporting Key structure neither be very complicated, and difficulty of reproduction is not high enough, structurally also needs further improvement.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of rational in infrastructure, safe and reliable mechanical anti-theft lock for the above-mentioned state of the art.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of mechanical anti-theft lock, comprise lock body, lock core, anti-drilling sheet and key, lock core is set in lock body, anti-drilling sheet is arranged on the front end of lock core, the afterbody of lock core is provided with interlock pellet or pin, emergent plectrum and a main plectrum is arranged with at the tail end of lock core, the inner side of emergent plectrum is provided with the interlock breach planted when ejecting for interlock pellet or pin, it is characterized in that: in described lock core, be provided with blade groove, the different differential vane group of at least 5 groups is provided with in blade groove, often organize vane group by an internal tooth blade and an external tooth blade composition, the differential snakelike tank of the internal tooth corresponding with internal tooth blade is offered in a face of key, another face is offered the differential curved groove of the external tooth corresponding with external tooth blade, accordingly, the locking side column that elastic floating coordinates is provided with between the sidepiece of lock core and lock body.
As improvement, lock slots is provided with in described lock body, the outside of internal tooth blade and external tooth blade is equipped with the v-notch differential more than more than 0.6 millimeter, lock core offers along its length a side column groove, the position just in time homonymy of side column groove and v-notch, is provided with and coordinates with the lock slots of lock body the locking side column locked by lock body in side column groove.
As improvement, the opening two ends of described side column groove are provided with the mounting for fixedly locked side column, spring is supported with between the inner end and locking side column of mounting, when the internal tooth of key is differential meet external tooth extreme difference in corresponding vane group with the external tooth extreme difference of key time, in lock core, the v-notch of all internal tooth blades and external tooth blade side is in alignment, just in time be positioned at the center of side column groove, locking side column is inwardly moved under the action of the spring and is inserted in v-notch, depart from the lock slots in lock body and open, otherwise locking side column enters in lock slots and locks.
As improvement, the inner end of described locking side column is in the oblique triangular facet matched with V-notch.
Improve, the end face lock core hole inwall of described lock body is provided with the cannelure embedded for anti-drilling sheet, and the diameter of anti-drilling sheet is greater than lock core diameter, and anti-drilling sheet is provided with the perforate corresponding with the lockhole of lock core again.
Improve, the inwall of described cannelure is provided with a jump-ring slot again, and the outer peripheral face of anti-drilling sheet is provided with the annular groove corresponding with jump-ring slot, and in one, snap ring is arranged between jump-ring slot and annular groove and is fixed by anti-drilling sheet.
Improve again, the one side that described key offers the differential curved groove of external tooth is also milled with two gathering sills.
Compared with prior art, the utility model has the advantage of: lock core is directly along putting in lock body, eliminate conventional lock and supportingly have middle cover, also eliminate middle cover with lock body riveted joint or the fixing complicated procedures of forming of rolling simultaneously, make structure greatly simple, manufacture more convenient; The vane group of external tooth combination in adopting, key also adopts interior external tooth to combine, and make size of key large, difficulty of reproduction is high.The utility model is simple and reasonable, manufacturing cost is lower, easy to use and safe and effective, greatly strengthen anti-drilling, the pick-proof of whole lock, anti-ly to draw, protecting against shock function, in its pair of Composite Double is stable, jumping formula locking side column structure is because technical opening is without feel, have extremely strong theftproof performance, can meet GA/T73-2013 mechanical anti-theft lock new standard index, new unlocking technique and unlocking tool can be overcome again, be applicable to the strongbox case of electronic password lock, system of fingerprints, cabinet or safety door.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment under key insert state;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3,4 is the structural representation of key in the utility model embodiment;
Fig. 5 is the structure sectional view under the mated condition of locking side column and internal tooth blade in the utility model embodiment;
Fig. 6 is the structure sectional view under the mated condition of locking side column and external tooth blade in the utility model embodiment;
Fig. 7 is the structural representation that the locking side column of the utility model embodiment under key insert state is separated with lock body;
Fig. 8 is the side sectional view of Fig. 7;
Fig. 9 is the structural representation that the locking side column of the utility model embodiment under state extracted by key and lock body lock;
Figure 10 is the side sectional view of Fig. 9;
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Fig. 1 ~ 10, the mechanical anti-theft lock of the present embodiment, comprise lock body 1, lock core 2, anti-drilling sheet 9, key 8, emergent plectrum 12, main plectrum 13, floor clip 14 and nut 15, lock core 2 is set in lock body 1, anti-drilling sheet 9 is arranged on the front end of lock core 2, the afterbody of lock core 2 is provided with interlock pellet 16, emergent plectrum 12 and main plectrum 13 are set in the tail end of lock core 2 successively, fixed by floor clip 14 and nut 15, the inner side of emergent plectrum 12 is provided with the interlock breach 12a planted when ejecting for interlock pellet 16, blade groove 22 is provided with in lock core 2, the different differential vane group of at least 5 groups is provided with in blade groove 22, often organize vane group to form by an internal tooth blade 3 and an external tooth blade 4, the outside of internal tooth blade 3 and external tooth blade 4 is equipped with the V-notch 31 differential more than more than 0.6 millimeter, 41, a face of key 8 is offered the differential snakelike tank 81 of the internal tooth corresponding with internal tooth blade 3, be exactly this groove right and wrong regularly curved slot, another face is offered the differential curved groove 82 of the external tooth corresponding with external tooth blade 4, and be milled with two gathering sills 83, dexterously two groups of different tracks are ideally combined into a unique key 8, size of key is large, difficulty of reproduction is high, lock slots 1.1 is offered in lock body 1, the sidepiece of lock core 2 offers a side column groove 23 along its length, the position just in time homonymy of side column groove 23 and v-notch 41, be provided with in side column groove 23 and coordinate with the lock slots 1.1 of lock body 1 locking side column 5 locked by lock body 1, the opening two ends of side column groove 23 are provided with the mounting 6 for fixedly locked side column 5, spring 7 is supported with between the inner end of mounting 6 and locking side column 5, when the internal tooth of key 8 is differential meet external tooth extreme difference in corresponding vane group with the external tooth extreme difference of key 8 time, the v-notch 31 of all internal tooth blades 3 and external tooth blade 4 side in lock core 2, 41 is in alignment, now, locking side column 5 is inwardly moved and is inserted v-notch 31 under the effect of spring 7, in 41, depart from the lock slots 1.1 in lock body 1, now lock can be opened, lock core 2 can rotate, otherwise when key 8 moves or extracts lock core 2, vane group moves up and down along with key 8 and makes v-notch 31,41 entanglement, locking side column 5 is released v-notch 31,41 and enter locking in lock slots 1.1, adaptive for the ease of locking side column 5 and v-notch 31,41, the inner end of locking side column 5 is oblique triangular facet, the structure of this locking side column 5 is because technical opening is without feel, therefore current world is still without comparatively ideal unlatching means, has extremely strong theftproof performance, between the sidepiece and lock body 1 of lock core 2, be so just provided with the locking side column 5 that elastic floating coordinates.The diameter of anti-drilling sheet 9 is greater than lock core 2 diameter, anti-drilling sheet 9 is provided with the perforate 91 corresponding with the lockhole 21 of lock core 2, the end face lock core hole inwall of lock body 1 is provided with the cannelure embedded for anti-drilling sheet 9, the inwall of cannelure is provided with a jump-ring slot, the outer peripheral face of anti-drilling sheet 9 is provided with the annular groove 92 corresponding with jump-ring slot, in one, snap ring 10 is arranged between jump-ring slot and annular groove 92 and is fixed by anti-drilling sheet 9, so just considerably increase anti-drilling, the tamper-resistant function of lock body 1, and structure is simple, manufacture assembling is all very convenient; The installation of the interlock setting of pellet 16 and emergent plectrum 12, main plectrum 13 is all identical with existing routine techniques with operating principle, no longer repeat specification here
Installation and operating principle are such: as Fig. 5, 6, by designing requirement arrangement vane group and installation locking side column 5 in lock core 2, as shown in Figure 1, lock core 2 is directly along putting in lock body 1, anti-drilling sheet 9 is fixed on lock body 1 front end face with interior snap ring 10 and blocks core 2, as Fig. 7, shown in 8, v-notch 41 when corresponding key 8 inserts lock core 2 in all blades forms straight line, its bottom line is at the center of the side column groove 23 of lock core 2, now locking side column 5 is coincide with v-notch 41 under the effect of spring 7, locking side column 5 is separated with the lock slots 1.1 in lock body 1 and opens simultaneously, as shown in Fig. 9,10, when key 8 moves or extracts lock core 2, vane group moves up and down entanglement v-notch 41 along with key 8, locking side column 5 is released v-notch 41 simultaneously, advances in the lock slots 1.1 of lock body 1 and locks.
Claims (7)
1. a mechanical anti-theft lock, comprise lock body, lock core, anti-drilling sheet, key, emergent plectrum and main plectrum, lock core is set in lock body, anti-drilling sheet is arranged on the front end of lock core, the afterbody of lock core is provided with interlock pellet or pin, emergent plectrum and main plectrum are set in the tail end of lock core successively, the inner side of emergent plectrum is provided with the interlock breach planted when ejecting for interlock pellet or pin, it is characterized in that: in described lock core, be provided with blade groove, the different differential vane group of at least 5 groups is provided with in blade groove, often organize vane group by an internal tooth blade and an external tooth blade composition, the differential snakelike tank of the internal tooth corresponding with internal tooth blade is offered in a face of key, another face is offered the differential curved groove of the external tooth corresponding with external tooth blade, accordingly, the locking side column that elastic floating coordinates is provided with between the sidepiece of lock core and lock body.
2. mechanical anti-theft lock according to claim 1, it is characterized in that: in described lock body, be provided with lock slots, the outside of internal tooth blade and external tooth blade is equipped with the v-notch differential more than more than 0.6 millimeter, the sidepiece of lock core offers a side column groove along its length, the position just in time homonymy of side column groove and v-notch, is provided with and coordinates with the lock slots of lock body the locking side column locked by lock body in side column groove.
3. mechanical anti-theft lock according to claim 2, it is characterized in that: the opening two ends of described side column groove are provided with the mounting for fixedly locked side column, spring is supported with between the inner end and locking side column of mounting, when the internal tooth of key is differential meet external tooth extreme difference in corresponding vane group with the external tooth extreme difference of key time, in lock core, the v-notch of all internal tooth blades and external tooth blade side is in alignment, locking side column is inwardly moved under the action of the spring and is inserted in v-notch, depart from the lock slots in lock body and open, otherwise locking side column enters in lock slots and locks.
4. mechanical anti-theft lock according to claim 3, is characterized in that: the inner end of described locking side column is in the oblique triangular facet matched with V-notch.
5. the mechanical anti-theft lock according to the arbitrary claim of Claims 1-4, it is characterized in that: the end face lock core hole inwall of described lock body is provided with the cannelure embedded for anti-drilling sheet, the diameter of anti-drilling sheet is greater than lock core diameter, and anti-drilling sheet is provided with the perforate corresponding with the lockhole of lock core.
6. mechanical anti-theft lock according to claim 5, it is characterized in that: the inwall of described cannelure is provided with a jump-ring slot, the outer peripheral face of anti-drilling sheet is provided with the annular groove corresponding with jump-ring slot, and in one, snap ring is arranged between jump-ring slot and annular groove and is fixed by anti-drilling sheet.
7. the mechanical anti-theft lock according to the arbitrary claim of Claims 1-4, is characterized in that: the one side that described key offers the differential curved groove of external tooth is also milled with two gathering sills.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653395.0U CN204252661U (en) | 2014-08-05 | 2014-11-04 | A kind of mechanical anti-theft lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454334 | 2014-08-05 | ||
| CN2014204543341 | 2014-08-05 | ||
| CN201420653395.0U CN204252661U (en) | 2014-08-05 | 2014-11-04 | A kind of mechanical anti-theft lock |
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| Publication Number | Publication Date |
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| CN204252661U true CN204252661U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420653395.0U Active CN204252661U (en) | 2014-08-05 | 2014-11-04 | A kind of mechanical anti-theft lock |
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| CN (1) | CN204252661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763233A (en) * | 2015-04-15 | 2015-07-08 | 李建元 | Three-point two-piece reverse security door lock cylinder of lock |
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2014
- 2014-11-04 CN CN201420653395.0U patent/CN204252661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763233A (en) * | 2015-04-15 | 2015-07-08 | 李建元 | Three-point two-piece reverse security door lock cylinder of lock |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |