CN105464476A - Idling mechanical lock cylinder - Google Patents
Idling mechanical lock cylinder Download PDFInfo
- Publication number
- CN105464476A CN105464476A CN201510894096.5A CN201510894096A CN105464476A CN 105464476 A CN105464476 A CN 105464476A CN 201510894096 A CN201510894096 A CN 201510894096A CN 105464476 A CN105464476 A CN 105464476A
- Authority
- CN
- China
- Prior art keywords
- core
- pellet
- drive block
- mechanical lock
- external core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/004—Lost motion connections
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
- E05B27/0017—Tumblers or pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides an idling mechanical lock cylinder. The idling mechanical lock cylinder comprises an outer core, an inner core, marbles, a driving block, marble springs, a driving block compression spring, a compression spring protecting piece, a stainless steel rod, an anti-drilling ring and an anti-drilling column. A lock hole in a shape shown in the specification is formed in the outer end of the outer core. At least one axial hole is formed in the outer core, and the marbles with V-shaped grooves and the marble springs are arranged in the axial holes. A deep groove is formed in the outer core in the radial direction, the driving block shaped like a Chinese character 'gan' is arranged in the groove, the driving block compression spring is arranged at the top of the driving block placed on the marbles, and the compression spring protecting piece is arranged at the top of the compression spring. The stainless steel rod is arranged on the outer core in the diameter direction for limiting the displacement of the marbles, and annular limiting grooves are formed in the exterior of the outer core and the exterior of the inner core. The outer end of the inner core is arranged at the rear portion of the outer core in a sleeved manner and provided with a hole matched with the lower end of the driving block, and the inner end of the inner core is connected with a lock mechanism. The stroke of the marbles is large, the number of keys is large, and the lock cylinder can idle and is good in anti-theft performance.
Description
Technical field
The present invention relates to mechanical anti-theft lock pin.
Background technology
Lock common in the market mainly contains mechanical lock and electronic lock two kinds, mechanical lock is based on cylinder lock, the axis of stroke perpendicular to lock core of common cylinder lock pellet and the stroke of key, by increase pellet row and often arrange number increase the difficulty of unblanking, thus improve lock theftproof performance, but in fact, the effective travel of pellet is subject to the restriction of lock body size, in general, the max die travel distance of pellet is 2 ~ 3mm, and so small effective travel is easy to just be opened in the presence of vibration to a certain degree or other human factors, and this is also the reason that master key frequently occurs, and, increase pellet row and often arrange number will inevitably cause the lock body size of pellet and the increase of quality, make lock body internal construction complexity, lock body is thick and heavy, along with the appearance of various advanced tools, the phenomenon that present violence is unblanked gets more and more, and traditional mechanical lock is easy to be unblanked by violence, electronic lock is the emerging product under high-tech impact, its delicate structure, theftproof performance is good, but it is higher to operating environment requirements, can waterproof and dampproof anti-soda acid unlike mechanical lock, electric device wherein is easily corroded, Acidity of Aikalinity change in environment even all can have influence on the performance of electronic lock, and, need just can work when having electric, such as be arranged on the electronic lock on esidential building door, adopt battery can increase volume and the cost of electronic lock, the impact that direct connection residential electricity consumption is then powered again, user can be caused to perplex greatly when having a power failure suddenly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mechanical anti-theft lock cylinder, and its structure is simple, dependable performance.The technical scheme that technical solution problem of the present invention adopts is: idle running mechanical lock.
Described idle running mechanical lock is divided into external core and inner core-body; There is lockhole one end of described external core, and the inside of described external core has a hole vertically at least, and described hole, built with pellet and marble spring, described pellet has groove and a strip groove of one " V " shape; In described external core, a stainless steel is radially housed; Described external core radially also has a deep trouth, and described deep trouth is built with the drive block of " doing " font; Drive block stage clip is equipped with at the top of described drive block, and described drive block is shelved on described pellet, and the bottom of described drive block is placed in the corresponding hole of described external core, and the top of described drive block stage clip is coated with stage clip screening glass; Described inner core-body is enclosed within the rear portion of described external core, and the other end is connected with lockset driving mechanism; The effect of described drive block is: when under the effect of described drive block at described pellet and described drive block spring, when moving up and down, play and be connected with described inner core-body and the effect disconnected by described external core; An annular anti-jumping through rings is equipped with in described external core outside; There are two counterbores at the rear portion of described external core, built with anti-drill string; Described external core, described inner core-body, described anti-jumping through rings are all arranged in lock core shell.
Described external core there is a hole diametrically, described hole is built with a stainless steel, described stainless steel is simultaneously through the elongated hole holding described pellet, the effect of described stainless steel is: limit described pellet displacement, thus reach and prevent described marble spring to be overly compressed and to prevent pellet from skidding off from described external core, anti-drilling function can be played again simultaneously.
There is annular groove described external core outside, described groove matches with the alignment pin on described idle running mechanical lock shell, described external core freely can rotate in described idle running mechanical lock shell, but described external core can not be extracted by described idle running mechanical lock shell; There are two counterbores at the rear portion of described external core, and built with anti-drill string, anti-drill string is made up of hard stainless steel material, and length is greater than 5mm.
The outer end of described inner core-body is enclosed within the rear portion of described external core, and the outer end of described inner core-body has the hole of matching with the described drive block lower end in described external core, and the inner of described inner core-body can be connected with lockset driving mechanism; There is the groove of annular the outside of described inner core-body, described groove matches with the alignment pin on described idle running mechanical lock shell, described inner core-body freely can rotate in described idle running mechanical lock shell, but described inner core-body can not be extracted by described idle running mechanical lock shell.
The inside of described external core is provided with multiple marble hole vertically, pellet and marble spring are housed in each hole, described pellet there are " V " groove and a strip groove, only have when " V " groove of all pellets arranges in line at described drive block place, described drive block just can under the effect of described drive block stage clip, move in " V " groove, thus, the lower end of described drive block just can enter in the corresponding hole of described inner core-body, as long as there have " V " slot of a pellet to put to be not right, described drive block will by jack-up, can not fall, lockset just can not be opened.The groove of described pellet, under the effect of described stainless steel, can prevent described pellet from excessively being pushed, and plays the effect that protection marble spring prevents from being overly compressed, also stops described pellet to skid off from lockhole simultaneously.
Marble hole on described external core is arranged in two row's forms; There is lockhole the outer face of described external core, and lockhole is
shape, is equivalent to three independently lockholes, only has when the described pellet in these three independent lockholes is all in tram, just can unblank; Key inserts from lockhole can promote the movement separately of all described pellets.
The described anti-jumping through rings of an annular is equipped with in described external core outside, and described anti-jumping through rings is made up of hard stainless steel material.
Described external core and described inner core-body available copper or stainless steel make, and described pellet available copper or stainless steel make, and described drive block can make of stainless steel.
Described idle running mechanical lock is also provided with corresponding key unique with described idle running mechanical lock, described key has and can stretch in lockhole, and by " V " groove top of multiple described pellet to described drive block place arrangement tooth in line, described key stretches in lockhole, can be opened by lock smoothly.
There is lockhole the outer face of described external core, when key moves to suitable position from lockhole insertion promotion pellet, described drive block moves under the effect of described drive block stage clip, the lower end of described drive block enters in the hole of described inner core-body, thus, the rotation of described external core just can drive the rotation of described inner core-body, then drives lockset driving mechanism, reaches and unblanks or the effect of locking; When key do not mate, key is not inserted into position or do not have key time, described pellet can by described drive block jack-up, and described external core can dally, and described inner core-body but can not be driven to rotate, and therefore, lockset just can not be opened.
The invention has the beneficial effects as follows: in idle running mechanical lock of the present invention, the stroke motion direction of pellet is consistent with the direction of insertion of key, change the stroke motion direction of pellet in traditional mechanical lock, make when lock body size constancy, in the present invention, the effective travel of pellet can be that traditional mechanical lock is hit by a bullet the several times of sub-line journey, greatly add the secret key amount of theftproof lock, can effectively prevent master key and technology unlocking, and, idle running mechanical lock of the present invention, can also dally under without key and the unmatched situation of key, play the effect of anti-violence damage.
In sum, idle running mechanical lock of the present invention had both possessed the advantage that traditional mechanical lock is waterproof and dampproof, Stability Analysis of Structures, environmental suitability are strong, greatly improve again the theftproof performance of mechanical lock, technology unlocking and master key do not have effect to theftproof lock of the present invention, also there is anti-riot performance, be a kind of compliance anti-theft lock very widely, utilize this lock core can make various lock, there is good development prospect.
Accompanying drawing explanation
Fig. 2 is the axial sectional view of the idle running mechanical lock of embodiment.
Fig. 3 is the left view of Fig. 2.
Fig. 1 is the right view of Fig. 2.
Fig. 4 is the sectional view at Fig. 2 A-A place.
Fig. 5 is the sectional view at Fig. 3 B-B place.
Fig. 6 is the axial sectional view of Fig. 3.
Fig. 7 is the right view of Fig. 8..
Fig. 8 is the axial sectional view of the external core of embodiment.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the sectional view at Fig. 8 A-A place.
Figure 11 is the top view of Fig. 8.
Figure 12 is the sectional view at the B-B place of Fig. 9.
Figure 13 is the right view of Figure 14.
Figure 14 is the axial sectional view of the inner core-body of embodiment.
Figure 15 is the left view of Figure 14.
Figure 16 is the top view of Figure 14.
Figure 17 is the front view of the drive block of embodiment.
Figure 18 is the left view of Figure 17.
Figure 19 is the right view of Figure 20.
Figure 20 is the front view of the pellet 1 of embodiment.
Figure 21 is the left view of Figure 20.
Figure 22 is the right view of Figure 23.
Figure 23 is the front view of the pellet 2 of embodiment.
Figure 24 is the left view of Figure 23.
Figure 25 is the front view of the key of embodiment.
Figure 26 is the left view of Figure 25.
Figure 27 is the top view of Figure 25.
Detailed description of the invention
Embodiment, with reference to accompanying drawing 1-27.
Described idle running mechanical lock is divided into external core 2 and inner core-body 7; There is lockhole one end of described external core 2, and the inside of described external core 2 has a hole vertically at least, and described hole, built with pellet 10 and marble spring 11, described pellet 10 has groove and a strip groove of one " V " shape; One stainless steel 8 is radially housed in described external core 2; Described external core 2 radially also has a deep trouth, and described deep trouth is built with the drive block 9 of " doing " font; Drive block stage clip 4 is equipped with at the top of described drive block 9, and described drive block is shelved on described pellet 10, and the bottom of described drive block 9 is placed in the corresponding hole of described external core, and the top of described drive block stage clip 4 is coated with stage clip screening glass 5; Described inner core-body 7 is enclosed within the rear portion of described external core 2, and the other end is connected with lockset driving mechanism; The effect of described drive block 9 is: when under the effect of described drive block 9 at described pellet 10 and described drive block spring 4, when moving up and down, and plays the effect being connected with described inner core-body 7 by described external core 2 and disconnecting; An annular anti-jumping through rings 12 is equipped with in described external core 2 outside; There are two counterbores 14 at the rear portion of described external core 2, built with anti-drill string; Described external core 2, described inner core-body 7, described anti-jumping through rings 12 are all arranged in lock core shell 1.
Described external core 2 there is a hole diametrically, described hole is built with a stainless steel 8, described stainless steel 8 is simultaneously through the elongated hole holding described pellet 10, the effect of described stainless steel 8 is: limit described pellet 10 displacement, thus reach and prevent described marble spring 11 to be overly compressed and to prevent pellet 10 from skidding off from described external core 2, anti-drilling function can be played again simultaneously.
There is annular groove described external core 2 outside, described groove matches with the alignment pin 3 on described idle running mechanical lock shell 1, described external core 2 freely can rotate in described idle running mechanical lock shell 1, but described external core 2 can not be extracted by described idle running mechanical lock shell 1; There are two counterbores 14 at the rear portion of described external core 2, and built with anti-drill string, anti-drill string is made up of hard stainless steel material, and length is greater than 5mm.
The outer end of described inner core-body 7 is enclosed within the rear portion of described external core 2, and the outer end of described inner core-body 7 has the hole of matching with described drive block 9 lower end in described external core 2, and the inner of described inner core-body 7 can be connected with lockset driving mechanism; There is the groove of annular the outside of described inner core-body 7, described groove matches with the alignment pin 6 on described idle running mechanical lock shell 1, described inner core-body 7 freely can rotate in described idle running mechanical lock shell 1, but described inner core-body 7 can not be extracted by described idle running mechanical lock shell 1.
The inside of described external core 2 is provided with multiple marble hole vertically, pellet 10 and marble spring 11 are housed in each hole, described pellet 10 there are " V " groove and a strip groove, only have when " V " groove of all described pellets 10 arranges in line at described drive block 9 place, described drive block 9 just can under the effect of described drive block stage clip 4, move in " V " groove, thus, the lower end of described drive block 9 just can enter in the corresponding hole of described inner core-body 7, as long as there have " V " slot of a pellet to put to be not right, described drive block 9 will by jack-up, can not fall, lockset just can not be opened.The groove of described pellet 10, under the effect of described stainless steel 8, can prevent described marble spring 11 from excessively being pushed, and plays the effect that the described marble spring 11 of protection prevents from being overly compressed, also stops described pellet 10 to skid off from lockhole simultaneously.
Marble hole on described external core 2 is arranged in two row's forms; There is lockhole the outer face of described external core 2, and lockhole is
shape, is equivalent to three independently lockholes, only has when the described pellet 10 in these three independent lockholes is all in tram, just can unblank; Key inserts from lockhole can promote the movement separately of all described pellets 10.
The described anti-jumping through rings 12 of an annular is equipped with in described external core 2 outside, and described anti-jumping through rings 12 is made up of hard stainless steel material.
Described external core 2 and described inner core-body 7 available copper or stainless steel make, and described pellet 10 available copper or stainless steel make, and described drive block 9 can make of stainless steel.
Described idle running mechanical lock is also provided with corresponding key unique with described idle running mechanical lock, described key has and can stretch in lockhole, and by " V " groove top of multiple described pellet 10 to described drive block 9 place arrangement tooth in line, described key stretches in lockhole, can be opened by lock smoothly.
Because the length of described pellet 10 is arranged along the axis of lock core, do not need the radial dimension additionally increasing lock body, when the overall dimensions locked is constant, the effective travel of described pellet 10 increases greatly, at least 3 to 4 times are had more than the effective travel of pellet in standard machinery lock, the effective travel of standard machinery lock pellet is 2-3mm to the maximum, for the effective travel of pellet in standard machinery lock for 3mm, the effective travel of pellet 10 described in the present invention generally can reach 10mm, as taken 0.5mm as a digit, and pellet and the number of the described pellet 10 in the present embodiment are identically 8, then the secret key amount of standard machinery lock is (3/0.5)
8=1679616, and the secret key amount of the anti-theft lock of the present embodiment is (10/0.5)
8=25600000000, be more than 15000 times of standard machinery lock.The implication of secret key amount is: when without original key, the number of times soundd out needed for using the units of a certain fixed value as the exploration radix of unblanking, the account form of secret key amount is: with a certain fixed value (0.5mm as escribed above is a units), the pellet number power of the units comprised in effective travel, secret key amount is larger, the required number of times soundd out is more, lock core unlatching difficulty is also larger, can find out obviously from above-mentioned data, anti-theft lock of the present invention, when not increasing lock body size, greatly improves the theftproof performance of anti-theft lock.
Above-described embodiment for the invention will be further described, but does not limit the invention to these detailed description of the invention.One skilled in the art would recognize that all alternatives, improvement project and the equivalents that present invention encompasses and may comprise in Claims scope.
Claims (9)
1. dally a mechanical lock, is divided into external core and inner core-body; It is characterized in that: there is lockhole one end of described external core, the inside of described external core has a hole vertically at least, and described hole, built with pellet and marble spring, described pellet has groove and a strip groove of one " V " shape; In described external core, a stainless steel is radially housed; Described external core radially also has a deep trouth, and described deep trouth is built with the drive block of " doing " font; Drive block stage clip is equipped with at the top of described drive block, and described drive block is shelved on described pellet, and the bottom of described drive block is placed in the corresponding hole of described external core, and the top of described drive block stage clip is coated with stage clip screening glass; Described inner core-body is enclosed within the rear portion of described external core, and the other end is connected with lockset driving mechanism; The effect of described drive block is: when under the effect of described drive block at described pellet and described drive block spring, when moving up and down, play and be connected with described inner core-body and the effect disconnected by described external core; An annular anti-jumping through rings is equipped with in described external core outside; There are two counterbores at the rear portion of described external core, built with anti-drill string; Described external core, described inner core-body, described anti-jumping through rings are all arranged in lock core shell.
2. idle running mechanical lock according to claim 1, it is characterized in that: described external core has a hole diametrically, described hole is built with a stainless steel, described stainless steel is simultaneously through the elongated hole holding described pellet, the effect of described stainless steel is: limit described pellet displacement, thus reach and prevent described marble spring to be overly compressed and to prevent pellet from skidding off from described external core, anti-drilling function can be played again simultaneously.
3. idle running mechanical lock according to claim 1, it is characterized in that: there is annular groove described external core outside, described groove matches with the alignment pin on described idle running mechanical lock shell, described external core freely can rotate in described idle running mechanical lock shell, but described external core can not be extracted by described idle running mechanical lock shell; There are two counterbores at the rear portion of described external core, and built with anti-drill string, anti-drill string is made up of hard stainless steel material, and length is greater than 5mm.
4. idle running mechanical lock according to claim 1, it is characterized in that: the outer end of described inner core-body is enclosed within the rear portion of described external core, there is the hole of matching with the described drive block lower end in described external core the outer end of described inner core-body, and the inner of described inner core-body can be connected with lockset driving mechanism; There is the groove of annular the outside of described inner core-body, described groove matches with the alignment pin on described idle running mechanical lock shell, described inner core-body freely can rotate in described idle running mechanical lock shell, but described inner core-body can not be extracted by described idle running mechanical lock shell.
5. idle running mechanical lock according to claim 1, is characterized in that: the inside of described external core is provided with multiple marble hole vertically, and pellet and marble spring are housed in each marble hole; Described pellet there are " V " groove and a strip groove, only have when " V " groove of all described pellets arranges in line at described drive block place, described drive block just can under the effect of described drive block stage clip, move in " V " groove, thus the lower end of described drive block just can enter in the respective aperture of described inner core-body, as long as there have " V " slot of a pellet to put to be not right, described drive block by jack-up, can not will fall, and lockset just can not be opened; The groove of described pellet, can prevent described marble spring from excessively being pushed, and plays the effect that the described marble spring of protection prevents from being overly compressed, also stops described pellet to spill from lockhole simultaneously.
6. idle running mechanical lock according to claim 1, is characterized in that: the marble hole on described external core is arranged in two row's forms; There is lockhole the outer face of described external core, and lockhole is
shape, is equivalent to three independently lockholes, only has when the described pellet in these three independent lockholes is all in tram, just can unblank; Key inserts from lockhole can promote the movement separately of all described pellets.
7. idle running mechanical lock according to claim 1, is characterized in that: the described anti-jumping through rings of an annular is equipped with in described external core outside, and described anti-jumping through rings is made up of hard stainless steel material.
8. idle running mechanical lock according to claim 1, is characterized in that: described external core and described inner core-body available copper or stainless steel make, and described pellet available copper or stainless steel make, and described drive block can make of stainless steel.
9. idle running mechanical lock according to claim 1, it is characterized in that: described idle running mechanical lock is also provided with corresponding key unique with described idle running mechanical lock, described key has and can stretch in lockhole, and by " V " groove top of whole described pellet to described drive block place arrangement tooth in line, described key stretches in lockhole, can be opened by lock smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894096.5A CN105464476A (en) | 2015-12-04 | 2015-12-04 | Idling mechanical lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894096.5A CN105464476A (en) | 2015-12-04 | 2015-12-04 | Idling mechanical lock cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105464476A true CN105464476A (en) | 2016-04-06 |
Family
ID=55602590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894096.5A Pending CN105464476A (en) | 2015-12-04 | 2015-12-04 | Idling mechanical lock cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN105464476A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213797Y (en) * | 1994-03-24 | 1995-11-29 | 郭庆胜 | Anti-drill key checking number lock |
| CN203097448U (en) * | 2013-03-04 | 2013-07-31 | 李卫群 | Anti-theft lock |
| EP2664736A2 (en) * | 2012-05-15 | 2013-11-20 | WFE Technology Corp. | Actuating motor set of electronic lock |
| CN203441190U (en) * | 2013-03-12 | 2014-02-19 | 秦才东 | Anti-twisting and anti-prying lock head structure |
| CN203867307U (en) * | 2014-03-13 | 2014-10-08 | 唐红兵 | Idle machine anti-theft lock cylinder |
| CN104234520A (en) * | 2013-06-23 | 2014-12-24 | 秦才东 | Anti-reaming anti-picking lock cylinder |
| CN205330295U (en) * | 2015-12-04 | 2016-06-22 | 南京美雪动力科技有限公司 | Mechanical lock core dallies |
-
2015
- 2015-12-04 CN CN201510894096.5A patent/CN105464476A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213797Y (en) * | 1994-03-24 | 1995-11-29 | 郭庆胜 | Anti-drill key checking number lock |
| EP2664736A2 (en) * | 2012-05-15 | 2013-11-20 | WFE Technology Corp. | Actuating motor set of electronic lock |
| CN203097448U (en) * | 2013-03-04 | 2013-07-31 | 李卫群 | Anti-theft lock |
| CN203441190U (en) * | 2013-03-12 | 2014-02-19 | 秦才东 | Anti-twisting and anti-prying lock head structure |
| CN104234520A (en) * | 2013-06-23 | 2014-12-24 | 秦才东 | Anti-reaming anti-picking lock cylinder |
| CN203867307U (en) * | 2014-03-13 | 2014-10-08 | 唐红兵 | Idle machine anti-theft lock cylinder |
| CN205330295U (en) * | 2015-12-04 | 2016-06-22 | 南京美雪动力科技有限公司 | Mechanical lock core dallies |
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Address after: Pukou District of Nanjing City, Jiangsu province 211800 Pu No. 88, Pukou Zijin Technology Innovation special community of science and technology innovation headquarters building, block B room 604 Applicant after: Nanjing Mei Xue power Science and Technology Ltd. Address before: Tianyuan road Jiangning District moling streets of Nanjing City, Jiangsu province 211100 No. 228 Rhine, room 1232, Pt Applicant before: Nanjing Mei Xue power Science and Technology Ltd. |
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