CN206815996U - It is double to open blade anti-theft lock - Google Patents
It is double to open blade anti-theft lock Download PDFInfo
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- CN206815996U CN206815996U CN201720504825.6U CN201720504825U CN206815996U CN 206815996 U CN206815996 U CN 206815996U CN 201720504825 U CN201720504825 U CN 201720504825U CN 206815996 U CN206815996 U CN 206815996U
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Abstract
This application discloses a kind of pair to open blade anti-theft lock.This pair opens blade anti-theft lock, including a connecting rod, two lock housings, two lock cores and some keys, two lock housing is symmetrically connected to the connecting rod, the lock housing is provided with axial first through hole, the lock core is rotatably fixed in the first through hole, and courage shell is provided between the lock core and first through hole, and the courage shell can rotate with the lock core in the first through hole, cross pulling sleeve is provided between the two courages shell, the cross pulling sleeve can rotate with the courage shell.Of the present utility model pair is opened the anti-theft capability that blade anti-theft lock greatly improves lockset.
Description
Technical field
The application is related to field of lockset, and more particularly to a kind of pair is opened blade anti-theft lock.
Background technology
In daily life, in order to protect the safety of property often to use various theftproof locks, spring lock and side column lock are
A kind of relatively common theftproof lock, due to simple in construction, it is widely used.However as criminal to lock structure increasingly
After being familiar with, lockset can be still opened easily by technology unlocking, theftproof performance is not still high.So need to propose to improve.
Utility model content
It is an object of the invention to provide a kind of pair to open blade anti-theft lock, to overcome deficiency of the prior art.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application disclose it is a kind of double open blade anti-theft lock, including a connecting rod, two lock housings, two lock cores and some
Key, two lock housing are symmetrically connected to the connecting rod, and the lock housing is provided with axial first through hole, and the lock core is rotatably fixed
In in the first through hole, being provided with courage shell between the lock core and first through hole, the courage shell can be with the lock core described
Rotated in one through hole, be provided with cross pulling sleeve between the two courages shell, the cross pulling sleeve can rotate with the courage shell；
The courage shell side wall is provided with the first keyway, is provided with the first key in first keyway, and first key can be along described
Courage shell moves radially, and the lock-shell lining is provided with the second keyway, and first key protrudes from being partially in for first keyway
In second keyway, first key can be completely disengaged with second keyway；
The lock core axial line is provided with the jack for key insertion, and the sidepiece of the lock core is provided with and the jack
The array tabletting hole of connection, several pieces tablettings are assembled in every group of tabletting hole, are equipped with and the key in the middle part of the every tabletting
The keyhole of spoon matching, the side of the keyhole are provided with key shifting block, and the position of the key shifting block in the every tabletting is not
Together, the lock core is provided with key-groove close to the side wall of first keyway, and the second key, the pressure are provided with the key-groove
Piece is provided with slot close to the side wall of second key, and second key can fall in the slot close to one end end of the slot
It is interior；
The key is pluggable in the jack, described to be provided with tartar, the tartar and the key shifting block phase on the key
Mutually matching is set.
Preferably, it is above-mentioned it is double open blade anti-theft lock, be respectively fitted with tabletting one, tabletting in every group of tabletting hole
Two and tabletting three, the tabletting one, tabletting two and tabletting three be sequentially close to form one group of tabletting, the tabletting two is interior tabletting,
The tabletting one and tabletting three are outer tabletting.
Preferably, it is above-mentioned it is double open blade anti-theft lock, one end extension of the outer tabletting away from the corresponding slot
There is reset portion, the reset portion is located at the both sides of the corresponding slot with corresponding key shifting block, and the corresponding reset portion is set
Have the installation portion to extend internally, tabletting hole one end is provided with two circular holes, and two circular hole is arranged oppositely, the circular hole with it is described
Reset portion is correspondingly arranged, and is provided with back-moving spring in the circular hole, described back-moving spring one end props up the reset portion.
Preferably, it is above-mentioned it is double open blade anti-theft lock, the slot be V-shaped groove, second key is close to described slotting
One end of groove is extended with V-type boss, and the slot can accommodate the V-type boss.
Preferably, it is above-mentioned it is double open blade anti-theft lock, the courage shell is set close to one end side wall of the cross pulling sleeve
There is positioning hole, the lock case sidewalls are provided with positioning spiro pit, and the positioning spiro pit is correspondingly arranged with the positioning hole, described fixed
Positioning ball is provided with the screwed hole of position, the connecting rod is provided with two positioning counterbores, the positioning counterbore and the positioning spiro pit pair
It should set, be provided with set screw in the positioning counterbore, retaining spring is provided between the set screw and the positioning ball.
Preferably, it is above-mentioned it is double open blade anti-theft lock, the lock case sidewalls are described at least provided with an installation screwed hole
Connecting rod is provided with installation counterbore, and the installation counterbore is correspondingly arranged with the installation screwed hole, and installation is provided with the installation counterbore
Screw.
Preferably, it is above-mentioned it is double open blade anti-theft lock, at least set between the positioning spiro pit and installation screwed hole
There are two hold-down apertures, the hold-down apertures are communicated with second keyway, and holddown spring, the holddown spring are provided with the hold-down apertures
It is provided between first key and compresses ball.
Preferably, it is above-mentioned it is double open blade anti-theft lock, the cross pulling sleeve is cylindrical structure, outside the cross pulling sleeve
Wall has protruded out first boss, and the cross pulling sleeve center is provided with axially the second through hole, and the second through hole center has protruded out annular
Second boss, the second boss are provided with least one pair of gap, and two groups of cores are provided with the cross pulling sleeve, and described group of core is annular
Structure, described group of outer core are provided with the 3rd boss, and the 3rd boss is correspondingly arranged with the gap, two lock core install into
Rivet and fix after the cross pulling sleeve.
Preferably, it is above-mentioned it is double open blade anti-theft lock, the courage shell is provided with open slot close to the cross pulling sleeve end,
The open slot is correspondingly arranged with the 3rd boss, and the courage shell is fixed in the cross pulling sleeve both ends by jump ring respectively,
Cushion block is provided between described group of core and described group of core.
Compared with prior art, the advantage of the invention is that：This pair open blade anti-theft lock improved by array tabletting it is whole
Body key series, that is, the difficulty unlocked by unlocking technique is increased, while by the cooperation of the first key and the second key, realize lock
The braking and rotation of core, rational in infrastructure, performance is more stable, increases courage shell in addition, avoids lock core from directly being rubbed between lock housing,
Lock core is protected, is increased the service life.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show double structural representations for opening blade anti-theft lock in the specific embodiment of the invention.
Fig. 2 show the structural representation of lock core in the specific embodiment of the invention.
Fig. 3 show the structural representation of lock housing in the specific embodiment of the invention.
Fig. 4 show the structural representation of courage shell in the specific embodiment of the invention.
Fig. 5 show the enlarged drawing of the second key in the specific embodiment of the invention.
Fig. 6 show the enlarged drawing of cross pulling sleeve in the specific embodiment of the invention.
Fig. 7 show the enlarged drawing that core is dialled in the specific embodiment of the invention.
Fig. 8 show the enlarged drawing of interior tabletting in the specific embodiment of the invention.
Fig. 9 show the enlarged drawing of specific embodiment of the invention China and foreign countries tabletting.
Figure 10 show the enlarged drawing of key in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Joining shown in Fig. 1 to Figure 10, double in the present embodiment open blade anti-theft lock,
Including a connecting rod 10, two lock housings 20, two lock cores 30 and some keys 40, two lock housings 20 are symmetrically connected to connecting rod 10,
Lock housing 20 is provided with axial first through hole 21, and lock core 30 is rotatably fixed in first through hole 21, lock core 30 and first through hole 21 it
Between be provided with courage shell 50, courage shell 50 can rotate with lock core 30 in first through hole 21, be provided with cross pulling sleeve 60 between two courage shells 50, ten
Word pulling sleeve 60 can rotate with courage shell 50；
The side wall of courage shell 50 is provided with the first keyway 51, is provided with the first key 52 in the first keyway 51, the first key 52 can be in the first key
The interior edge courage shell 50 of groove 51 radially slides, and the inwall of lock housing 20 is provided with the second keyway 22, and the first key 52 protrudes from the portion of the first keyway 51
In in second keyway 22, the first key 52 can be completely disengaged with the second keyway 22 for office；
The axial line of lock core 30 is provided with the jack 31 inserted for key 40, and the sidepiece of lock core 30 is provided with what is connected with jack 31
Array tabletting hole 32, every group of tabletting hole 32 is interior to assemble several pieces tablettings 33, and the every middle part of tabletting 33 is equipped with what is matched with key 40
Keyhole 331, the side of keyhole 331 are provided with key shifting block 332, and the position of the key shifting block 332 in every tabletting 33 is different,
Lock core 30 is provided with key-groove 34 close to the side wall of the first keyway 51, is provided with the second key 35 in key-groove 34, tabletting 33 is close
The side wall of second key 35 is provided with slot 333, and the second key 35 can fall the slot 333 in tabletting 33 close to one end end of slot 333
It is interior；
Key 40 is pluggable in jack 31, and key 40 is provided with tartar 41, and tartar 41 is mutually matched setting with key shifting block.
In the technical scheme, this pair opens blade anti-theft lock and improves overall key series by array tabletting, that is, increases
The difficulty unlocked by unlocking technique, while by the cooperation of the first key and the second key, realize the braking and rotation of lock core, structure
Rationally, performance is more stable, increases courage shell in addition, avoids lock core from directly being rubbed between lock housing, protects lock core, and extension uses the longevity
Life.
Further, tabletting one, tabletting two and tabletting three, tabletting one, tabletting two are respectively fitted with every group of tabletting hole 32
Sequentially it is close to form one group of tabletting with tabletting three, tabletting two is interior tabletting 33a, and tabletting one and tabletting three are outer tabletting 33b.
In the technical scheme, tabletting one, tabletting two and tabletting three, tabletting one, pressure are respectively fitted with every group of tabletting hole 32
Piece two and tabletting three are sequentially close to form one group of tabletting, and tabletting two is interior tabletting 33a, and tabletting one and tabletting three are outer tabletting 33b,
Wherein tabletting one is identical with the construction profile structure of tabletting three, and internal structure is similar, and different structure is realized by different tablettings 33.
Further, outer tabletting 33b deviates from one end of corresponding slot 333 and is extended with reset portion 334, reset portion 334 with it is right
The key shifting block 332 answered is located at the both sides of corresponding slot 333, and reset portion 334 is provided with the installation portion 335 to extend internally, tabletting hole
32 one end are provided with two circular holes 36, and two circular holes 36 are arranged oppositely, and circular hole 36 is correspondingly arranged with reset portion 334, are provided with circular hole 36 multiple
Position spring 37, the one end of back-moving spring 37 props up reset portion 334.
In the technical scheme, one end that outer tabletting 33b deviates from corresponding slot 333 is extended with reset portion 334, reset portion 334
The both sides of corresponding slot 333 are located at corresponding key shifting block 332, reset portion 334 is provided with the installation portion 335 to extend internally, pressure
The one end of film perforation 32 is provided with two circular holes 36, and two circular holes 36 are arranged oppositely, and circular hole 36 is correspondingly arranged with reset portion 334, is set in circular hole 36
There is back-moving spring 37, the one end of back-moving spring 37 props up reset portion 334, the reset for outer tabletting 33b.
Further, slot 333 is V-shaped groove, and the second key 35 is extended with V-type boss 351 close to one end of slot 333, is inserted
Groove 333 can accommodate V-type boss 351.
In the technical scheme, slot 333 is V-shaped groove, and the second key 35 is extended with V-type boss close to one end of slot 333
351, slot 333 can accommodate V-type boss 351, and the complete of the first key and the second keyway is realized into slot 333 by the second key 35
Disengage, and can unlock, and when the second key 35 exits slot 333, the first key simultaneously in the first keyway and the second keyway, and
Lock core and courage shell can not rotate.
Further, courage shell 50 is provided with positioning hole 53 close to one end side wall of cross pulling sleeve 60, and the side wall of lock housing 20 is provided with fixed
Position screwed hole 23, positioning spiro pit 23 are correspondingly arranged with positioning hole 53, and positioning ball 231, connecting rod are provided with positioning spiro pit 23
10 are provided with two positioning counterbores 11, and positioning counterbore 11 is correspondingly arranged with positioning spiro pit 23, and set screw is provided with positioning counterbore 11
111, retaining spring 112 is provided between set screw 111 and positioning ball 231.
In the technical scheme, courage shell 50 is provided with positioning hole 53 close to one end side wall of cross pulling sleeve 60, and the side wall of lock housing 20 is set
There is positioning spiro pit 23, positioning spiro pit 23 is correspondingly arranged with positioning hole 53, and positioning ball 231 is provided with positioning spiro pit 23,
Connecting rod 10 is provided with two positioning counterbores 11, and positioning counterbore 11 is correspondingly arranged with positioning spiro pit 23, and positioning is provided with positioning counterbore 11
Screw 111, retaining spring 112 is provided between set screw 111 and positioning ball 231, it is ensured that courage shell is installed in place, and simultaneously might as well
Hinder the rotation of courage shell.
Further, the side wall of lock housing 20 is provided with installation counterbore 12 at least provided with an installation screwed hole 24, connecting rod 10, and installation is heavy
Hole 12 is correspondingly arranged with installation screwed hole 24, and installation screw 121 is provided with installation counterbore 12.
In the technical scheme, the side wall of lock housing 20 is provided with installation counterbore 12, peace at least provided with an installation screwed hole 24, connecting rod 10
Dress counterbore 12 is correspondingly arranged with installation screwed hole 24, and installation screw 121 is provided with installation counterbore 12, is coordinated with set screw, really
Protect the installation strength of lock housing.
Further, at least provided with two hold-down apertures 25 between positioning spiro pit 23 and installation screwed hole 24, hold-down apertures 25 with
Second keyway 35 is communicated, and holddown spring 251 is provided with hold-down apertures 25, is provided between the key 52 of holddown spring 251 and first and compresses rolling
Pearl 252.
In the technical scheme, at least provided with two hold-down apertures 25, hold-down apertures between positioning spiro pit 23 and installation screwed hole 24
25 are communicated with the second keyway 35, and holddown spring 251 is provided with hold-down apertures 25, pressure is provided between the key 52 of holddown spring 251 and first
Tight ball 252, after the second key enters slot, it is ensured that the first bond energy without completely disengaged in the second keyway, so as to smoothly unlock.
Further, cross pulling sleeve 60 is cylindrical structure, and the outer wall of cross pulling sleeve 60 has protruded out first boss 61, cross pulling sleeve
60 centers are provided with axially the second through hole 62, and the center of the second through hole 62 has protruded out annular second boss 63, and second boss 63 is provided with extremely
Few a pair of gap 631, cross pulling sleeve 60 is interior to be provided with two groups of cores 64, and it is loop configuration to dial core 64, and it is convex provided with the 3rd to dial the outer wall of core 64
Platform 641, the 3rd boss 641 are correspondingly arranged with gap 631, and two lock cores 64 rivet fixation after installing cross pulling sleeve 60.
In the technical scheme, cross pulling sleeve 60 is cylindrical structure, and the outer wall of cross pulling sleeve 60 has protruded out first boss 61, cross
The center of pulling sleeve 60 is provided with axially the second through hole 62, the center of the second through hole 62 and has protruded out annular second boss 63, and second boss 63 is set
There is at least one pair of gap 631, two groups of cores 64 are provided with cross pulling sleeve 60, it be loop configuration to dial core 64, and group outer wall of core 64 is provided with the
Three boss 641, the 3rd boss 641 are correspondingly arranged with gap 631, and two groups of cores 64 rivet fixation after installing cross pulling sleeve 60, because
It can not load cross pulling sleeve for group core after riveting, pass through and dial the dynamic cross pulling sleeve rotation of core ribbon.
Further, courage shell 50 is provided with open slot 54 close to one end of the cross pulling sleeve 60, open slot 54 and the 3rd convex
Platform 641 is correspondingly arranged, and courage shell 50 is fixed in the both ends of cross pulling sleeve 60 by jump ring 70 respectively, is provided between lock core 30 and group core 64
Cushion block 65.
In the technical scheme, courage shell 50 is provided with open slot 54, open slot 54 and close to one end of the cross pulling sleeve 60
Three boss 641 are correspondingly arranged, and courage shell 50 is fixed in the both ends of cross pulling sleeve 60 by jump ring 70 respectively, between lock core 30 and group core 64
Provided with cushion block 65, during key turns, courage shell follows rotation, while passes through to dial core ribbon and move cross pulling sleeve and rotate.
The operation principle of this novel double open blade anti-theft lock：After key insertion lock core, in tabletting and key shifting block and key
Tartar it is completely closely sealed, the slot in tabletting is in alignment, and the first key bottom is fallen completely within slot, and holddown spring passes through pressure
Second key is completely forced into the first keyway by tight ball, and lock core and courage shell can follow key turns, and but key when extracting, reset
Spring resets outer tabletting, and the first key is extruded slot, drives the second key to enter the second keyway, courage shell can not rotate.
In summary, this novel double open blade anti-theft lock improves overall key series by array tabletting, that is, increases
The difficulty unlocked by unlocking technique, while by the cooperation of the first key and the second key, realize the braking and rotation of lock core, structure
Rationally, performance is more stable, increases courage shell in addition, avoids lock core from directly being rubbed between lock housing, protects lock core, and extension uses the longevity
Life.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (9)
1. a kind of pair is opened blade anti-theft lock, it is characterised in that this pair opens blade anti-theft lock, including a connecting rod, two lock housings, two lock cores
And some keys, two lock housing are symmetrically connected to the connecting rod, the lock housing is provided with axial first through hole, and the lock core can
Rotation is fixed in the first through hole, and courage shell is provided between the lock core and first through hole, and the courage shell can be with the lock core
Rotated in the first through hole, cross pulling sleeve is provided between the two courage shells, the cross pulling sleeve can rotate with the courage shell；
The courage shell side wall is provided with the first keyway, is provided with the first key in first keyway, first key can be along the courage shell
Move radially, the lock-shell lining is provided with the second keyway, and it is described that first key protrudes from being partially in for first keyway
In second keyway, first key can be completely disengaged with second keyway；
The lock core axial line is provided with the jack for key insertion, and the sidepiece of the lock core is provided with to be connected with the jack
Array tabletting hole, several pieces tablettings are assembled described in every group in tabletting hole, are equipped with and the key in the middle part of the every tabletting
The keyhole matched somebody with somebody, the side of the keyhole are provided with key shifting block, and the position of the key shifting block in the every tabletting is different, institute
State lock core and be provided with key-groove close to the side wall of first keyway, be provided with the second key in the key-groove, the tabletting is leaned on
The side wall of nearly second key is provided with slot, and second key can fall in the slot close to one end of the slot；
The key is pluggable in the jack, described to be provided with tartar, the tartar and mutual of the key shifting block on the key
With setting.
2. according to claim 1 pair is opened blade anti-theft lock, it is characterised in that：It is respectively fitted with described in every group in tabletting hole
Tabletting one, tabletting two and tabletting three, the tabletting one, tabletting two and tabletting three are sequentially close to form one group of tabletting, the tabletting
Two be interior tabletting, and the tabletting one and tabletting three are outer tabletting.
3. according to claim 2 pair is opened blade anti-theft lock, it is characterised in that：The outer tabletting is away from the corresponding slot
One end be extended with reset portion, the reset portion is located at the both sides of the corresponding slot, corresponding institute with corresponding key shifting block
State reset portion and be provided with the installation portion to extend internally, tabletting hole one end is provided with two circular holes, and two circular hole is arranged oppositely, described
Circular hole is correspondingly arranged with the reset portion, is provided with back-moving spring in the circular hole, described back-moving spring one end props up the reset
Portion.
4. according to claim 1 pair is opened blade anti-theft lock, it is characterised in that：The slot is V-shaped groove, second key
V-type boss is extended with close to one end of the slot, the slot can accommodate the V-type boss.
5. according to claim 1 pair is opened blade anti-theft lock, it is characterised in that：The courage shell is close to the cross pulling sleeve
One end side wall is provided with positioning hole, and the lock case sidewalls are provided with positioning spiro pit, and the positioning spiro pit is corresponding with the positioning hole
Set, be provided with positioning ball in the positioning spiro pit, the connecting rod is provided with two positioning counterbores, the positioning counterbore with it is described fixed
Position screwed hole is correspondingly arranged, and is provided with set screw in the positioning counterbore, is set between the set screw and the positioning ball
There is retaining spring.
6. according to claim 5 pair is opened blade anti-theft lock, it is characterised in that：The lock case sidewalls are at least provided with an installation
Screwed hole, the connecting rod are provided with installation counterbore, and the installation counterbore is correspondingly arranged with the installation screwed hole, the installation counterbore
It is interior to be provided with installation screw.
7. according to claim 6 pair is opened blade anti-theft lock, it is characterised in that：The positioning spiro pit and installation screwed hole
Between communicated at least provided with two hold-down apertures, the hold-down apertures with second keyway, is provided with holddown spring, institute in the hold-down apertures
State to be provided between holddown spring and first key and compress ball.
8. according to claim 1 pair is opened blade anti-theft lock, it is characterised in that：The cross pulling sleeve is cylindrical structure, institute
State cross pulling sleeve outer wall and protruded out first boss, the cross pulling sleeve center is provided with axially the second through hole, in second through hole
Cardiac prominence, which is stretched, annular second boss, and the second boss is provided with least one pair of gap, and two groups of cores, institute are provided with the cross pulling sleeve
It is loop configuration to state and dial core, and described group of outer core is provided with the 3rd boss, and the 3rd boss is correspondingly arranged with the gap, described
Two groups of cores rivet fixation after installing the cross pulling sleeve.
9. according to claim 8 pair is opened blade anti-theft lock, it is characterised in that：The courage shell is close to the cross pulling sleeve end
Provided with open slot, the open slot is correspondingly arranged with the 3rd boss, and the cross pulling sleeve both ends are fixed by jump ring respectively
Cushion block is provided between the courage shell, the lock core and described group of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504825.6U CN206815996U (en) | 2017-05-09 | 2017-05-09 | It is double to open blade anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504825.6U CN206815996U (en) | 2017-05-09 | 2017-05-09 | It is double to open blade anti-theft lock |
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| Publication Number | Publication Date |
|---|---|
| CN206815996U true CN206815996U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720504825.6U Active CN206815996U (en) | 2017-05-09 | 2017-05-09 | It is double to open blade anti-theft lock |
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| Country | Link |
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| CN (1) | CN206815996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191067A (en) * | 2017-05-09 | 2017-09-22 | 箭牌智能科技（张家港）有限公司 | It is double to open blade anti-theft lock |
-
2017
- 2017-05-09 CN CN201720504825.6U patent/CN206815996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191067A (en) * | 2017-05-09 | 2017-09-22 | 箭牌智能科技（张家港）有限公司 | It is double to open blade anti-theft lock |
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