CN104196347A - Violent-opening preventing key cylinder with rotatable blades - Google Patents
Violent-opening preventing key cylinder with rotatable blades Download PDFInfo
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- CN104196347A CN104196347A CN201410416261.1A CN201410416261A CN104196347A CN 104196347 A CN104196347 A CN 104196347A CN 201410416261 A CN201410416261 A CN 201410416261A CN 104196347 A CN104196347 A CN 104196347A
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Abstract
The invention relates to a violent-opening preventing key cylinder with rotatable blades. The key cylinder comprises a blade lock body with a built-in locking device. The locking device comprises a key cylinder connecting strip installed in the blade lock body and a drilling preventing sheet at one end of the blade lock body, wherein a first inner blade supporting sheet and a key cylinder assembly which are fixed through a key guide support are installed on one side of the drilling preventing sheet in sequence, a magnetic steel gasket is installed at the tail end of the key guide support, and magnetic steel at one side of the magnetic steel gasket is installed in a passive key cylinder inner hole in a buckled mode. According to the violent-opening preventing key cylinder with the rotatable blades, because the special anti-poking shaft structural design is adopted, the positions of square holes of the blades of the key cylinder are consistent, the blades and blade spacing sheets are limited by anti-poking shafts to be fixed, and it is guaranteed that a key can be inserted or pulled smoothly; because the key guide support is adopted, when the key is inserted or pulled, the key is not influenced by the rotary blades, the key can be conveniently aligned with a keyhole, and the key can be inserted or pulled smoothly; the key cylinder can idle when violent opening is carried out, the key cylinder is protected, safety performance is improved, and the potential safety hazard that according to a key cylinder of a pin tumbler lock, pin tumblers are damaged under the action of violence, and a lock body is opened is avoided.
Description
Technical field
The present invention relates to a kind of lock core, is that a kind of anti-powerful blade of opening can rotation cores specifically, belongs to field of lockset.
Background technology
Current blade lock core is to replace pellet with blade, when key inserts lock core keyhole, utilizes the blade longitudinal arranged in a straight line in tartar alignment lock core on the key, is rotated to realize open by key band movable lock core.There is potential safety hazard in this kind of blade lock core: may be substituted key insertion keyhole by unlocking tool and carry out violence unlatching, because blade arranges separately and can freely stir, be realized opening lock master thereby easily stir piecewise to test to crack.Existing common blade lock core also has the following disadvantages: blade cannot be located, and keyhole is difficult for alignment, and key plug is inconvenient.
Summary of the invention
The object of the invention is to solve in prior art that common blade lock core is easily opened by brute force and key plugs inconvenient deficiency, provide one can prevent powerful open and key plug blade easily can rotation cores.
The anti-powerful blade of opening of the present invention can rotation cores, comprise the blade lock body 10 of a side with keyhole, blade lock body 10 inside are provided with locking device, on the outer circumference surface of blade lock body 10, be arranged with spring cover 2, one side of spring cover 2 is provided with lock body bonnet 1, its special character is that described locking device comprises the lock core connection strap 4 in square groove 10-1 in the blade lock body that is arranged on blade lock body 10, be arranged on the anti-drilling sheet 11 of blade lock body 10 keyhole one end, one side of anti-drilling sheet 11 is provided with blade inner support piece 1 successively, lock core assembly, blade inner support piece 2 17, key guiding trestle 18 inserts lock core assembly from the blade inner support piece two slotting position 17-2 of blade inner support piece 2 17, by blade inner support piece 1, blade inner support piece 2 17 is fixing, the end of key leading truck 18 is provided with magnet steel pad 20, the magnet steel 21 of magnet steel pad 20 1 sides buckle into be arranged on blade lock body 10 ends by movable lock core 3 by movable lock core endoporus 3-2.
In order to prevent powerful unlatching, a modification of the present invention is: described lock core assembly comprises the anti-pulling axis sheet 13 that is arranged on blade lock core 14 one end, be arranged on the blade partition 15 and blade 16 of blade lock core 14 inside, the blade boss 16-4 of blade 16 is fastened in the circular hole 15-3 of blade partition 15, the blade of blade 16 is worn shaft relief 16-2 and is worn shaft relief 15-1 with the blade partition of blade partition 15 and align, the blade inner support piece recess 17-3 of blade inner support piece 2 17, the blade of blade 16 is worn shaft relief 16-2, the blade partition of blade partition 15 is worn shaft relief 15-1, the blade lock core groove 14-1 of blade lock core 14, the anti-dial axis hole 13-2 of anti-pulling axis sheet 13, the blade inner support piece one of blade inner support piece 1 is worn shaft relief 12-2 and is interspersed with anti-pulling axis 19, key leading truck 18 is through blade square hole 16-1 and the blade partition 15 of blade 16.
A modification of the present invention is: described anti-pulling axis 19 is two.
A modification of the present invention is: described anti-pulling axis sheet 13 is arranged on the blade lock core boss 14-1 of blade lock core 14 by the anti-pulling axis sheet bayonet socket 13-1 on it.
A modification of the present invention is: described blade partition 15 repeats to install with blade 16 successively interval, blade partition 15 blade 16 is installed below, blade 16 blade partition 15 is installed below.
A modification of the present invention is: described blade partition 15 is more than 5 pieces, and blade 16 is more than 5 pieces.
A modification of the present invention is: described lock core connection strap 4 comprises the lock core connection strap bottom surface 4-2 in square groove 10-1 in the blade lock body that is arranged on blade lock body 10, the cylindrical of described bottom surface and blade inner support piece 1 is tangent, 4-2 one end, lock core connection strap bottom surface is connected with lock core connection strap arc end 4-1, and described arc end is by being wrapped in directly over the passive lock core groove 3-1 of movable lock core 3.
A modification of the present invention is: in the blade lock core locating hole 10-3 of described blade lock body 10, blade lock core positioning ball 7, blade lock core retainer spring 8 are installed successively, in movable lock core locating hole 10-2, are provided with successively by movable lock core positioning ball 5, by movable lock core retainer spring 6.
A modification of the present invention is: described blade lock body 10 is for cylindrical, its inner peripheral surface is provided with square groove 10-1 in the blade lock body that lock core connection strap 4 is installed, periphery be provided with install blade lock core 14 blade lock core locating hole 10-3, install by movable lock core 3 by movable lock core locating hole 10-2.
For by blade lock core 14, be firmly arranged on blade lock body 10 by movable lock core 3, a modification of the present invention is: in the blade lock core locating hole 10-3 of described blade lock body 10, blade lock core positioning ball 7, blade lock core retainer spring 8 are installed successively, in movable lock core locating hole 10-2, are provided with successively by movable lock core positioning ball 5, by movable lock core retainer spring 6.
The present invention, owing to adopting special anti-dial Structural Design of Shaft, makes lock core blade square hole position consistency, and blade, blade partition are limited by anti-pulling axis, fixes and does not rock, and ensures that key plugs and unplugs smoothness; Anti-pulling axis, through sheet in blade lock core, blade, blade, prevents that blade is struck, and overcomes by technical opening hidden danger; Adopt key leading truck, key leading truck is fixed in blade inner support piece, and when plug key, the blade that can make key do not rotated affects, and is convenient to keyhole alignment, and plug is smooth; Realize in the time that violence is opened, lock core can dally, and protection lock core, improves safety, overcomes lock cylinder, under forceful action, causes pellet to destroy the potential safety hazard that lock body is opened.
Brief description of the drawings
Fig. 1: the assembling explosive view of blade lock core of the present invention;
Fig. 2: the view of removing blade lock body under locking states;
Fig. 3: the front view under locking state;
Fig. 4: A-A schematic diagram under locking state;
Fig. 5: B-B schematic diagram under locking state;
Fig. 6: C-C schematic diagram under locking state;
Fig. 7: the view of removing blade lock body under unlocking condition;
Fig. 8: unlocking condition schematic diagram;
Fig. 9: cross section full sectional view when technical opening or violence are opened;
Figure 10: by the structural representation of movable lock core;
Figure 11: the structural representation of lock core connection strap;
Figure 12: the structural representation of blade partition;
Figure 13: the structural representation of anti-axle plectrum;
Figure 14: the structural representation of blade lock core;
Figure 15: the structural representation of blade lock body;
Figure 16: the structural representation of blade;
Figure 17: the structural representation of blade inner support piece;
In figure: 1, lock body bonnet, 2, spring cover, 3, by movable lock core, 3-1, stirred groove by rotation cores, 3-2, by movable lock core endoporus, 4, lock core connection strap, 4-1, lock core connection strap arc end, 4-2, lock core connection strap bottom surface, 5, by rotation cores positioning ball, 6, by rotation cores retainer spring, 7, lock body positioning ball, 8, lock body retainer spring, 9, key, 10, blade lock body, 10-1, blade lock body notch, 10-2, by movable lock core locating hole, 10-3, blade lock body locating hole, 11, anti-drilling sheet, 11-1, anti-drilling sheet square hole, 12, blade inner support piece one, 12-1, blade inner support piece one square hole, 12-2, blade inner support piece one is worn axial trough hole, 12-3, blade inner support piece one recess, 13, anti-pulling axis sheet, 13-1, anti-pulling axis sheet bayonet socket, 13-2, anti-dial axis hole, 14, blade lock core, 14-1, blade lock core boss, 14-2, blade lock core is worn shaft relief, and 15, blade partition, 15-1, blade partition is worn shaft relief, 15-2, blade partition recess, 15-3, blade partition circular hole, 16, blade, 16-1, blade square hole, 16-2, blade is worn shaft relief, 16-3, blade recess, 17, blade inner support piece two, 17-1, blade inner support piece two square holes, 17-2, blade inner support piece two slotting positions, 17-3, blade inner support piece two is worn shaft relief, 17-4, blade inner support piece two recesses, 18, key leading truck, 19, anti-pulling axis, 20, magnet steel pad, 21, magnet steel.
Detailed description of the invention
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for that the present invention is described further.
Embodiment 1: with reference to Fig. 1-17.The anti-powerful blade of opening can rotation cores, comprise that a columniform side is provided with the blade lock body 10 of keyhole, on blade lock body 10 outer circumference surfaces blade lock core locating hole 10-3 in blade lock core positioning ball 7 is installed successively, blade lock core retainer spring 8, in movable lock core locating hole 10-2, be provided with successively by movable lock core positioning ball 5, by movable lock core retainer spring 6, on the outer circumference surface of blade lock body 10, be arranged with spring cover 2, one side of spring cover 2 is provided with lock body bonnet 1, blade lock core locating hole 10-3 on blade lock body 10 inner peripheral surfaces is provided with blade lock core 14, be provided with by movable lock core 3 by movable lock core locating hole 10-2, in the blade lock body of blade lock body 10 inside, square groove 10-1 is provided with lock core connection strap 4, the lock core connection strap bottom surface 4-2 of lock core connection strap 4 is arranged in the interior square groove 10-1 of blade lock body of blade lock body 10, the cylindrical of described bottom surface and blade inner support piece 1 is tangent, one end of lock core connection strap bottom surface 4-2 is connected with lock core connection strap arc end 4-1, described arc end is by being wrapped in directly over the passive lock core groove 3-1 of movable lock core 3, blade lock body 10 keyhole one end are provided with anti-drilling sheet 11, one side of anti-drilling sheet 11 is provided with blade inner support piece 1 successively, by the anti-pulling axis sheet 13 being arranged on by anti-pulling axis sheet bayonet socket 13-1 on the blade lock core boss 14-1 of blade lock core 14, the blade partition 15 of blade lock core 14 inside be fastened on by blade boss 16-4 the lock core assembly that the blade 16 in blade partition 15 circular hole 15-3 forms, blade inner support piece 2 17, key guiding trestle 18 inserts lock core assembly from the blade inner support piece two slotting position 17-2 of blade inner support piece 2 17, through blade inner support piece 2 17, the blade square hole 16-1 of blade 16, blade partition 15, blade inner support piece 1, by blade inner support piece 1, blade inner support piece 2 17 is fixing, blade partition 15 repeats to install with blade 16 successively interval, be blade partition 15 blade 16 is installed below, blade partition 15 is installed after blade 16, 15 and 7 pieces of blades 16 of 8 pieces of blade partitions are installed in lock core assembly altogether, the end of key leading truck 18 is provided with magnet steel pad 20, the magnet steel 21 of magnet steel pad 20 1 sides buckle into be arranged on blade lock body 10 ends by movable lock core 3 by movable lock core endoporus 3-2, the blade inner support piece one that the blade partition that the blade inner support piece recess 17-3 of blade inner support piece 2 17, the blade of blade 16 are worn shaft relief 16-2, blade partition 15 is worn anti-dial axis hole 13-2, the blade inner support piece 1 of the blade lock core groove 14-1 of shaft relief 15-1, blade lock core 14, anti-pulling axis sheet 13 is worn shaft relief 12-2 and is interspersed with two anti-pulling axises 19,
Described anti-drilling sheet 11 contacts with blade inner support piece 1, concentric, anti-drilling sheet 11 is rotatable,
The lock core connection strap arc end 4-1 of described lock core connection strap 4 is directly over by the passive lock core groove 3-1 of movable lock core 3, and when unlocking condition, lock core connection strap falls into passive lock core groove and drives and rotated by movable lock core.
Structure explanation of the present invention and operating principle:
One, adopt anti-dial Structural Design of Shaft, realize plug key smoothness, overcome common blade lock core, because blade cannot be located, keyhole is difficult for alignment, and key plugs inconvenient drawback.
Implementation procedure: the blade inner support piece one of anti-pulling axis 19 penetrating blade inner support pieces 1 is worn shaft relief 12-2, the blade inner support piece recess 17-3 of blade inner support piece 2 17, the blade of blade 16 is worn shaft relief 16-2, the blade partition of blade partition 15 is worn the blade lock core groove 14-1 of shaft relief 15-1 and blade lock core 14, in the time that the keyhole from blade lock body 10 inserts key 9, blade is worn shaft relief 16-2, blade partition wears shaft relief 15-1 cambered surface and anti-pulling axis 19 arc surfaces are inconsistent, anti-pulling axis limit blade and blade partition rock, ensure the square hole 16-1 alignment of blade 16, while ensureing to insert key 9, unobstructed, pull key 9 o'clock, owing to being subject to the restriction of anti-pulling axis 13, blade and blade partition can not rock or be struck, and ensure that square hole is neat, and smoothness is pulled up key.
Two, lock core connection strap 4 adopts semicircular arc and magneticaction design, and normal unlocking condition, utilizes magnet steel 21 magnetic force that lock core connection strap 4 is sucked by rotation cores and stirs groove 3-1, and semicircular arc design magnetic force is assembled, and active force is large, effective.
Implementation procedure: from the keyhole of blade lock body 10 inserts correct key 9, blade 16 is adjusted to lockset position of coupler by key 9, now by rotation cores groove 3-1, blade inner support piece two recess 17-4, blade recess 16-3, blade partition recess 15-2, blade inner support piece one recess 12-2 is in straight line position, under magnet steel 21 effects, lock core connection strap 4 one end fall into by movable lock core and stir in groove 3-1 and blade inner support piece two recess 17-4, the other end falls in blade inner support piece one recess 12-3, thereby form an overall lock core, now rotate key 9, blade 16 and blade partition 15 are with movable lock core connection strap 4, rotated by movable lock core 3, realize unlocking function.
Three, adopt anti-pulling axis design, realize anti-technical opening function.
Implementation procedure: while adopting technical opening or powerful unlatching, correct key operated owing to not using, blade 16 is in non-opening angle, under technical opening or forceful action, blade inner support piece one, two idle running, an anti-pulling axis 19a is owing to being subject to blade partition 15, blade inner support piece one, two and anti-dial axis hole 13-2 restriction, cannot move, limit blade 16 and blade partition 15 rotates, the anti-pulling axis 19b of another root is subject to blade inner support piece one, two promote, moving to static anti-pulling axis 19a along anti-dial axis hole 13-2 cannot rotate again, blade 16 is limited by anti-pulling axis 19, cannot stir, adopt this special structure design of anti-pulling axis, effectively limit the motion of lock core, effectively prevent technical opening.
Four, anti-violence damage, adopt this structure, do not adopting under original key structure situation, 16-3 is unjustified for blade recess, and anti-pulling axis blade 16, blade partition 15 are not aimed at proper password, blade recess 16-3, blade partition recess 15-2 and stirred groove 3-1 by movable lock core and stagger, not in straight line position, lock core connection strap 4 is supported by blade inner support piece one, two, can not decline, in blade outer surface.Now rotate key, lock core connection strap 4 can not rotate under blade lock body notch 10-1 restriction, under forceful action, stirred groove 3-1 because not being connected as a single entity by movable lock core, can not rotate, the idle running of blade inner support piece, thereby while realizing non-correct unlatching, Lock cylinder idling under forceful action, function that cannot violence damage.
Protection scope of the present invention is not limited to above embodiment, and every anti-powerful blade of opening identical with invention technical scheme structure or that be equal to can rotation cores, all belongs to protection scope of the present invention.
Claims (10)
1. the anti-powerful blade of opening can rotation cores, comprise the blade lock body (10) of a side with keyhole, blade lock body (10) inside is provided with locking device, on the outer circumference surface of blade lock body (10), be arranged with spring cover (2), one side of spring cover (2) is provided with lock body bonnet (1), it is characterized in that described locking device comprises the lock core connection strap (4) in square groove (10-1) in the blade lock body that is arranged on blade lock body (10), be arranged on the anti-drilling sheet (11) of blade lock body (10) keyhole one end, one side of anti-drilling sheet (11) is provided with blade inner support piece one (12) successively, lock core assembly, blade inner support piece two (17), key guiding trestle (18) inserts lock core assembly from blade inner support piece two slotting positions (17-2) of blade inner support piece two (17), by blade inner support piece one (12), blade inner support piece two (17) is fixing, the end of key leading truck (18) is provided with magnet steel pad (20), the magnet steel (21) of magnet steel pad (20) one sides buckle into be arranged on blade lock body (10) end by movable lock core (3) by movable lock core endoporus (3-2).
2. the anti-powerful blade of opening can rotation cores according to claim 1, it is characterized in that described lock core assembly comprises the anti-pulling axis sheet (13) that is arranged on blade lock core (14) one end, be arranged on the inner blade partition (15) of blade lock core (14) and blade (16), the blade boss (16-4) of blade (16) is fastened in the circular hole (15-3) of blade partition (15), the blade of blade (16) is worn shaft relief (16-2) and is worn shaft relief (15-1) with the blade partition of blade partition (15) and align, the blade inner support piece recess (17-3) of blade inner support piece two (17), the blade of blade (16) is worn shaft relief (16-2), the blade partition of blade partition (15) is worn shaft relief (15-1), the blade lock core groove (14-1) of blade lock core (14), the anti-dial axis hole (13-2) of anti-pulling axis sheet (13), the blade inner support piece one of blade inner support piece one (12) is worn shaft relief (12-2) and is interspersed with anti-pulling axis (19), key leading truck (18) is through the blade square hole (16-1) and blade partition (15) of blade (16).
3. the anti-powerful blade of opening can rotation cores according to claim 2, it is characterized in that described anti-pulling axis (19) is two.
4. can rotation cores according to the anti-powerful blade of opening described in claim 2 or 3, it is characterized in that described anti-pulling axis sheet (13) is arranged on the blade lock core boss (14-1) of blade lock core (14) by the anti-pulling axis sheet bayonet socket (13-1) on it.
5. can rotation cores according to the anti-powerful blade of opening described in claim 2 or 3, it is characterized in that described blade partition (15) and blade (16) successively interval repeat to install, be blade partition (15) blade (16) is installed below, blade (16) blade partition (15) is installed below.
6. can rotation cores according to the anti-powerful blade of opening described in claim 2 or 3, it is characterized in that described blade partition (15) is more than 5 pieces, blade (16) is more than 5 pieces.
7. the anti-powerful blade of opening can rotation cores according to claim 1, it is characterized in that described lock core connection strap (4) comprises the lock core connection strap bottom surface (4-2) in square groove (10-1) in the blade lock body that is arranged on blade lock body (10), the cylindrical of described bottom surface and blade inner support piece one (12) is tangent, one end, lock core connection strap bottom surface (4-2) is connected with lock core connection strap arc end (4-1), and described arc end is by being wrapped in directly over the passive lock core groove (3-1) of movable lock core (3).
8. the anti-powerful blade of opening can rotation cores according to claim 7, it is characterized in that, in the blade lock core locating hole (10-3) of described blade lock body (10), blade lock core positioning ball (7), blade lock core retainer spring (8) are installed successively, in movable lock core locating hole (10-2), be provided with successively by movable lock core positioning ball (5), by movable lock core retainer spring (6).
9. the anti-powerful blade of opening can rotation cores according to claim 1, it is characterized in that described blade lock body (10) is for cylindrical, its inner peripheral surface be provided with install lock core connection strap (4) blade lock body in square groove (10-1), periphery be provided with install blade lock core (14) blade lock core locating hole (10-3), install by movable lock core (3) by movable lock core locating hole (10-2).
10. can rotation cores according to the anti-powerful blade of opening described in claim 1 or 9, it is characterized in that, in the blade lock core locating hole (10-3) of described blade lock body (10), blade lock core positioning ball (7), blade lock core retainer spring (8) are installed successively, in movable lock core locating hole (10-2), be provided with successively by movable lock core positioning ball (5), by movable lock core retainer spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416261.1A CN104196347B (en) | 2014-08-22 | 2014-08-22 | Anti-brute force opens blade can rotation cores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416261.1A CN104196347B (en) | 2014-08-22 | 2014-08-22 | Anti-brute force opens blade can rotation cores |
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| Publication Number | Publication Date |
|---|---|
| CN104196347A true CN104196347A (en) | 2014-12-10 |
| CN104196347B CN104196347B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410416261.1A Active CN104196347B (en) | 2014-08-22 | 2014-08-22 | Anti-brute force opens blade can rotation cores |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840000A (en) * | 2015-11-24 | 2016-08-10 | 安徽杰尔斯工贸有限公司 | High-performance anti-theft lock core with rotating plates |
| CN106567963A (en) * | 2016-11-08 | 2017-04-19 | 深圳市兰洋科技有限公司 | Coded lock valve structure |
| CN106641420A (en) * | 2016-11-08 | 2017-05-10 | 深圳市兰洋科技有限公司 | Valve structure provided with coded lock |
| CN108331456A (en) * | 2017-01-19 | 2018-07-27 | 厦门美科安防科技有限公司 | Simplify version primary and secondary blade lock |
| CN108331455A (en) * | 2017-01-19 | 2018-07-27 | 厦门美科安防科技有限公司 | Bilayer is locked without spring blade angle |
| CN108798246A (en) * | 2018-05-09 | 2018-11-13 | 浙江天正电气股份有限公司 | A kind of key button that key is freely set and extracts position |
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| US4750342A (en) * | 1986-02-19 | 1988-06-14 | Clover Co., Ltd. | Locking device resistant to forcible opening |
| DE10212798A1 (en) * | 2001-03-23 | 2003-01-16 | Smilyanskyy Dmytro | Cylinder lock has rotary core, identification blocks, key, pins, protuberances and recesses and slide system |
| CN200964727Y (en) * | 2006-11-01 | 2007-10-24 | 朱建忠 | Vane lock core |
| CN203257189U (en) * | 2013-04-12 | 2013-10-30 | 陈洁庄 | Blade lock with anti-technically-opened structure |
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| US4750342A (en) * | 1986-02-19 | 1988-06-14 | Clover Co., Ltd. | Locking device resistant to forcible opening |
| DE10212798A1 (en) * | 2001-03-23 | 2003-01-16 | Smilyanskyy Dmytro | Cylinder lock has rotary core, identification blocks, key, pins, protuberances and recesses and slide system |
| CN200964727Y (en) * | 2006-11-01 | 2007-10-24 | 朱建忠 | Vane lock core |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840000A (en) * | 2015-11-24 | 2016-08-10 | 安徽杰尔斯工贸有限公司 | High-performance anti-theft lock core with rotating plates |
| CN106567963A (en) * | 2016-11-08 | 2017-04-19 | 深圳市兰洋科技有限公司 | Coded lock valve structure |
| CN106641420A (en) * | 2016-11-08 | 2017-05-10 | 深圳市兰洋科技有限公司 | Valve structure provided with coded lock |
| CN106641420B (en) * | 2016-11-08 | 2018-11-09 | 深圳市兰洋科技有限公司 | Valve for puzzle lock structure |
| CN106567963B (en) * | 2016-11-08 | 2019-04-05 | 深圳市兰洋科技有限公司 | Valve for puzzle lock structure |
| CN108331456A (en) * | 2017-01-19 | 2018-07-27 | 厦门美科安防科技有限公司 | Simplify version primary and secondary blade lock |
| CN108331455A (en) * | 2017-01-19 | 2018-07-27 | 厦门美科安防科技有限公司 | Bilayer is locked without spring blade angle |
| CN108331455B (en) * | 2017-01-19 | 2023-08-22 | 厦门美科安防科技股份有限公司 | Double-layer spring-free angle blade lock |
| CN108331456B (en) * | 2017-01-19 | 2023-12-19 | 厦门美科安防科技股份有限公司 | Simplified master-slave blade lock |
| CN108798246A (en) * | 2018-05-09 | 2018-11-13 | 浙江天正电气股份有限公司 | A kind of key button that key is freely set and extracts position |
| CN108798246B (en) * | 2018-05-09 | 2024-04-02 | 浙江天正电气股份有限公司 | Key button capable of freely setting key pulling-out position |
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|---|---|
| CN104196347B (en) | 2016-04-20 |
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