CN104278897A - Strongbox mechanical lock - Google Patents
Strongbox mechanical lock Download PDFInfo
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- CN104278897A CN104278897A CN201410338021.4A CN201410338021A CN104278897A CN 104278897 A CN104278897 A CN 104278897A CN 201410338021 A CN201410338021 A CN 201410338021A CN 104278897 A CN104278897 A CN 104278897A
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- password
- gear
- mechanical lock
- transmission mechanism
- axle sleeve
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Abstract
The invention discloses a strongbox mechanical lock, which comprises a lock seat, a coded shaft sleeve, a clutch gear, a transmission mechanism and a telescopic mechanism, and is characterized in that one end of the lock seat is provided with a graduated handle, the other end of the lock seat is provided with a coded gear and a coded sheet, the coded gear is linked with the transmission mechanism, the coded sheet is linked with the coded shaft sleeve, the coded gear and the coded sheet are respectively provided with an unlocking groove, the coded shaft sleeve is connected into the lock seat in a sleeving way, one end of the coded shaft sleeve is engaged with the clutch gear, the other end of the coded shaft sleeve is connected with the transmission mechanism, one end of the telescopic mechanism passes through the clutch gear and is connected with the graduated handle, and the other end of the telescopic mechanism is engaged with the transmission mechanism. Through the combination and the innovation of the lock seat, the coded shaft sleeve, the clutch gear, the transmission mechanism, the telescopic mechanism and connecting structures of the lock seat, the coded shaft sleeve, the clutch gear, the transmission mechanism and the telescopic mechanism, the invention provides the strongbox mechanical lock with the advantages that the structure is simple, the operation is convenient, the cost is low, the antitheft performance is good, and three angle value passwords can be realized in once unlocking.
Description
Technical field
The present invention relates to the technical field of lockset, relate to a kind of mechanical lock structure for strongbox in particular.
Background technology
Strongbox, exactly for placing the hutch of important item.In order to the safety of important item, on the rational basis of strongbox bulk strength, need outfit safety lockset.Mechanical code lock, a kind of exactly safety lockset being suitable for very much strongbox.Commercially, because structure design is unreasonable, mechanical cipher is latched in inconvenient operation, cost is high and theftproof performance is low problem.And general lock structure in the prior art does not also effectively solve the above problems.Such as Chinese patent Authorization Notice No. CN 201391132 Y, authorized announcement date on 01 27th, 2010, the name of innovation and creation is called dual control double-lock antitheft coded lock, this Patent Case discloses a kind of anti-theft cipher lock construction, by the combined innovation of three lock cores and three combination disk, achieve the feature that this coded lock has good theftproof performance, but this Patent Case have employed the combining structure of multiple lock core and multiple combination disk, there is the problem that cost is high, be equipped with the structure of key unlocking simultaneously, add operating procedure, and key is easily replicated, there is again the problem that theftproof performance is low.And for example Chinese patent Authorization Notice No. CN 100595407 C, authorized announcement date on 03 24th, 2010, the name of innovation and creation is called a kind of gear control cipher mechanical lock core structure, which disclose a kind of structure of cipher mechanical lock core, by the combined innovation of Cipher mechanism, limiting component and controlling organization, achieve the flood tide password that cipher mechanical lock core structure has permutation and combination, thus reach the object of burglary insurance, but this Patent Case has multiple lock core structure, add the parts of lockset, there is the problem that cost is high.And for example Chinese patent application publication No. CN 102465634 A, at on 05 23rd, 2012 Shen Qing Publication day, the name of innovation and creation is called Multi-layer password mechanical lock, which disclose a kind of mechanical lock head structure with password, by lock core ring, lock core cover, knob, the combined innovation of rotating mechanism and limiting member, achieve the feature that this lockset has the large and good theftproof performance of number of password, but this Patent Case adopts key to coordinate the structure of password to unblank, key is easily replicated, and the password of the anglec of rotation only has a ladder, there is the problem that theftproof performance is low.The present invention is by the combined innovation of lock, password axle sleeve, clutch gear, transmission mechanism and telescoping mechanism and syndeton thereof, there is provided a kind of structure simple, easy to operate, cost is low, theftproof performance is good, once unlocks the strongbox mechanical lock with three angle value passwords.
Summary of the invention
The present invention solves common mechanical lock structure in prior art does not have that effective workout cost is high, inconvenient operation and the low problem of theftproof performance, a kind of strongbox mechanical lock is provided, by the combined innovation of lock, password axle sleeve, clutch gear, transmission mechanism and telescoping mechanism and syndeton thereof, realizing this strongbox mechanical lock, to have structure simple, easy to operate, the feature that cost is low and theftproof performance is good.
In order to solve the technical problem of above-mentioned existence, the present invention takes following technical proposals: a kind of strongbox mechanical lock, comprise lock, password axle sleeve, clutch gear, transmission mechanism and telescoping mechanism, it is characterized in that, described lock one end is provided with scale handle, the other end is provided with password gear and cipher chips, described password gear and transmission mechanism link, cipher chips and coded shaft overlap and link, password gear and cipher chips are equipped with solution locked groove, described password axle sleeve is socketed in lock, password axle sleeve one end is meshed with clutch gear, the other end is connected with transmission mechanism, described telescoping mechanism one end is through clutch gear, be connected with scale handle, the other end is meshed with transmission mechanism.
When unlocking, first scale handle is turned to first angle value, telescoping mechanism promotion clutch gear is close to password axle sleeve, and now telescoping mechanism engages with transmission mechanism, and clutch gear engages with password axle sleeve; Again scale handle is turned to second angle value, clutch gear is pushed the occlusion gear of password axle sleeve by telescoping mechanism, and the other end of telescoping mechanism is separated with transmission mechanism; Then scale handle is rotated to the 3rd angle value, clutch gear drives password axle sleeve to rotate, coded shaft cover drives cipher chips to be rotated in place, and drive transmission mechanism to rotate, transmission mechanism drives password gear to be rotated in place, unblock slot now on the solution locked groove of cipher chips and password gear, in same position, realizes this mechanical lock and is in neutral position state, and then unlock.The present invention does not have the fit structure of key and keyhole, has the advantages that structure is simple and cost is low; By the rotation of a scale handle, obtain the angle value password of three ladders, there is simple to operate, that cost is low and theftproof performance is good feature; By the combination of telescoping mechanism and clutch gear, when once unlocking, realizing this mechanical lock and having three angle value passwords, both structure is simple, improves theftproof performance again; In further design scheme, as long as improve the angle value precision of password, just can obtain the cipher code set of a large amount of permutation and combination, thus improve theftproof performance.
As preferably, described telescoping mechanism is made up of engaging sleeve, power transmission shaft, telescopic pin, spring I and spring II, described engaging sleeve one end is meshed with transmission mechanism, the other end is connected by spring I with clutch gear, the inwall of engaging sleeve is provided with multiple directive slide track suitable with power transmission shaft, the stopper slot suitable with telescopic pin is provided with in directive slide track, one end of described power transmission shaft is connected with clutch gear is spacing, and through clutch gear, fix with scale handle, the other end is connected by spring II with telescopic pin, and is meshed by end-tooth.When locking, power transmission shaft and telescopic pin are directed to slide rail and limit, telescoping mechanism akinesia; When scale handle rotates to first angle value, power transmission shaft and the telescopic pin gathering sill between directive slide track, under the effect of spring I, power transmission shaft and telescopic pin slide axially along gathering sill, and power transmission shaft skids off directive slide track, and telescopic pin slips into stopper slot; When scale handle rotates to second angle value, telescopic pin can not be rotated by the restriction of stopper slot, due to the effect of end-tooth, telescopic pin is separated gradually with power transmission shaft, power transmission shaft rearwardly moves, promote clutch gear to engage with password axle sleeve, under the effect of spring I, engaging sleeve is separated with transmission mechanism.
As preferably, described telescoping mechanism also comprises T-shaped pin, and the head of described T-shaped pin and telescopic pin close contact, fix with spring II, and the axle portion of described T-shaped pin, through telescopic pin, is socketed with power transmission shaft.
As preferably, described transmission mechanism is made up of drive sleeve and travelling gear, and described travelling gear is connected with drive sleeve, and with password gear-linked, described drive sleeve and password axle sleeve are fixed by socket, and are meshed with engaging sleeve.When scale handle rotates to the 3rd angle value, clutch gear drives password axle sleeve to rotate, and cipher chips rotate in place with password axle sleeve, and coded shaft cover drives drive sleeve and travelling gear to rotate simultaneously, and password gear rotate in place with travelling gear.
As preferably, described transmission mechanism also comprises driver blade, and described driver blade is provided with the password groove corresponding with separating locked groove, and described driver blade is connected with password axle sleeve, links with cipher chips, described driver blade, is equipped with partition ring between password gear and cipher chips.
As preferably, described password gear is equipped with corresponding trunnion cup with the opposite side of cipher chips.When not knowing password, stealer rotates scale handle, by the effect of a pair trunnion cup, makes password gear and cipher chips synchronous axial system, ensures that this mechanical lock can not be opened, and improves theftproof performance.
As preferably, the solution locked groove on described password gear and cipher chips is one, two or more.
As preferably, the center line of the solution locked groove on described password gear or cipher chips is not overlapping.Prevent untiing this mechanical lock and there is multiple cipher, ensure that such mechanical lock has and only has one group of password, improve theftproof performance.
As preferably, described lock is provided with locked cover, and described password gear and cipher chips are all arranged on locked putting, and described password axle sleeve and lock are fixed by locked cover.
As preferably, the afterbody of described scale handle is provided with shrouding.
Owing to taking above-mentioned technical scheme, a kind of strongbox mechanical lock provided by the invention has such beneficial effect:
1., by the rotation of a scale handle, obtain the angle value password of three ladders, realize this strongbox mechanical lock and there is easy to operate, that cost is low and theftproof performance is good feature;
2. by the combination of telescoping mechanism and clutch gear, when once unlocking, realizing this mechanical lock and having three angle value passwords, both structure is simple, improves theftproof performance again;
3. by the angle value precision set on scale handle, just can obtain the cipher code set of a large amount of permutation and combination, such as: when angle value is accurate to integer, several 360 × 360 × 360=46656000 group of group of the cipher code set obtained, when angle value is accurate to one decimal place, several 3600 × 3600 × 3600=46656000000 group of group of the cipher code set obtained, thus improve theftproof performance;
4. the innovation of trunnion cup by being oppositely arranged, when not knowing password, realizing this mechanical lock can not be opened, and improves theftproof performance;
5. by the structure innovation of the solution locked groove on password gear and cipher chips, realizing a mechanical lock has and only has one group of password, improves theftproof performance;
accompanying drawing illustrates:
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is that the A of accompanying drawing 1 of the present invention is to enlarged drawing;
Accompanying drawing 3 is a kind of structural representation under lock-out state of the present invention;
Accompanying drawing 4 is that the B of accompanying drawing 3 of the present invention is to enlarged drawing;
Accompanying drawing 5 is the first structural representation of releasing process of the present invention;
Accompanying drawing 6 is that the C of accompanying drawing 5 of the present invention is to enlarged drawing;
Accompanying drawing 7 is the second structural representation of releasing process of the present invention;
Accompanying drawing 8 is that the D of accompanying drawing 7 of the present invention is to enlarged drawing.
In figure: lock, 1 password axle sleeve, 2 clutch gears, 3 scale handles, 4 password gears, 5 cipher chips, 6 separate locked groove, 7 engaging sleeves, 8 power transmission shafts, 9 telescopic pin, 10 spring I, 11 spring II, 12 stopper slots, 13 T-shaped pins, 14 drive sleeve, 15 travelling gears, 16 driver blades, 17 password grooves, 18 partition rings, 19 trunnion cups, 20 locked covers, 21 shroudings, 22
detailed description of the invention:
Accompanying drawings, is described in further detail of the present invention:
Embodiment one: by reference to the accompanying drawings 1, 2, 3, a kind of strongbox mechanical lock, comprise lock 1, password axle sleeve 2, clutch gear 3, transmission mechanism and telescoping mechanism, lock 1 one end is provided with scale handle 4, the other end is provided with password gear 5 and cipher chips 6, password gear 5 and transmission mechanism link, cipher chips 6 and password axle sleeve 2 link, password gear 5 and cipher chips 6 are equipped with separates locked groove 7, password axle sleeve 2 is socketed in lock 1, password axle sleeve 2 one end is meshed with clutch gear 3, the other end is connected with transmission mechanism, telescoping mechanism one end is through clutch gear 3, be connected with scale handle 4, the other end is meshed with transmission mechanism.
When unlocking, first scale handle is turned to first angle value, telescoping mechanism promotion clutch gear is close to password axle sleeve, and now telescoping mechanism engages with transmission mechanism, and clutch gear engages with password axle sleeve; Again scale handle is turned to second angle value, clutch gear is pushed the occlusion gear of password axle sleeve by telescoping mechanism, and the other end of telescoping mechanism is separated with transmission mechanism; Then scale handle is rotated to the 3rd angle value, clutch gear drives password axle sleeve to rotate, coded shaft cover drives cipher chips to be rotated in place, and drive transmission mechanism to rotate, transmission mechanism drives password gear to be rotated in place, unblock slot now on the solution locked groove of cipher chips and password gear, in same position, realizes this mechanical lock and is in neutral position state, and then unlock.
Embodiment two: by reference to the accompanying drawings 1, 2, 3, 4, 5, 6, 7, 8, a kind of strongbox mechanical lock, comprise lock 1, password axle sleeve 2, clutch gear 3, transmission mechanism and telescoping mechanism, lock 1 one end is provided with scale handle 4, the afterbody of scale handle 4 is provided with shrouding 22, the other end of lock 1 is provided with locked cover 21, password gear 5 and cipher chips 6 are all arranged on locked cover 21, password gear 5 and cipher chips 6 are equipped with separates locked groove 7, password axle sleeve 2 is socketed in lock 1, and fixed by locked cover 21, password axle sleeve 2 one end is meshed with clutch gear 3, telescoping mechanism is by engaging sleeve 8, power transmission shaft 9, telescopic pin 10, spring I11, spring II12 and T-shaped pin 14 form, engaging sleeve 8 one end is meshed with transmission mechanism, the other end is connected by spring I11 with clutch gear 3, the inwall of engaging sleeve 8 is provided with multiple directive slide track suitable with power transmission shaft 9, the stopper slot 13 suitable with telescopic pin 10 is provided with in directive slide track, one end of power transmission shaft 9 is connected with clutch gear 3 is spacing, and through clutch gear 3, fix with scale handle 4, the other end is connected by spring II12 with telescopic pin 10, and be meshed by end-tooth, the head of T-shaped pin 14 and telescopic pin 10 close contact, fix with spring II12, the axle portion of T-shaped pin 14 is through telescopic pin 10, be socketed with power transmission shaft 9, transmission mechanism is by drive sleeve 15, travelling gear 16 and driver blade 17 form, travelling gear 16 is connected with drive sleeve 15, link with password gear 5, drive sleeve 15 and password axle sleeve 2 are fixed by socket, be meshed with engaging sleeve 8, driver blade 17 is provided with the password groove 18 corresponding with separating locked groove 7, driver blade 17 is connected with password axle sleeve 2, link with cipher chips 6, driver blade 17, partition ring 19 is equipped with between password gear 5 and cipher chips 6, password gear 5 and the opposite side of cipher chips 6 are equipped with corresponding trunnion cup 20, solution locked groove 7 on password gear 5 and cipher chips 6 is two, password gear 5, the center line of the solution locked groove 7 on cipher chips 6 is not overlapping.
First angle value of first setting code is 181.5 degree, and second angle value is 53.1 degree, and the 3rd angle value is 271.8 degree.When unlocking, first scale handle is turned to 181.5 degree, power transmission shaft and the telescopic pin gathering sill between directive slide track, under the effect of spring I, power transmission shaft and telescopic pin slide axially along gathering sill, and power transmission shaft skids off directive slide track, and telescopic pin slips into stopper slot; Again scale handle is turned to 53.1 degree, telescopic pin can not be rotated, due to the effect of end-tooth by the restriction of stopper slot, telescopic pin is separated gradually with power transmission shaft, and power transmission shaft rearwardly moves, and promotes clutch gear and engages with password axle sleeve, under the effect of spring I, engaging sleeve is separated with drive sleeve; Then scale handle is rotated to 271.8 degree, clutch gear drives password axle sleeve to rotate, cipher chips rotate in place with driver blade, coded shaft cover drives drive sleeve and travelling gear to rotate simultaneously, password gear rotate in place with travelling gear, now separates two two password groove one_to_one corresponding separated on locked groove and driver blade on locked groove, password gear for two of cipher chips, lays respectively at same position, realize this mechanical lock and be in neutral position state, and then unlock.
By reference to the accompanying drawings 3 and 4, when first rotational angle of scale handle is not rotated in place, the upper contact of the directive slide track in power transmission shaft and telescopic pin and engaging sleeve, clutch gear dallies, and password axle sleeve can not be driven to rotate, thus can not unlock; By reference to the accompanying drawings 5 and 6, be rotated in place at first rotational angle of scale handle, and when second rotational angle is not rotated in place, clutch gear can not engage with password axle sleeve, telescoping mechanism and clutch gear, with the idle running of scale handle, still can not unlock; By reference to the accompanying drawings 7 and 8, all be rotated in place at first rotational angle of scale handle and second rotational angle, and the 3rd rotational angle be not when being rotated in place, three groups of notches that solution locked groove on the solution locked groove of cipher chips, password gear and the password groove on driver blade are formed can not conducting completely, and then can not unlock.When unlocking, mechanical lock of the present invention successively must rotate the anglec of rotation of scale handle for three times exactly, could unlock, have good theftproof performance.
Above-described two specific embodiments, to invention has been detailed introduction.Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of embodiment just understands core concept of the present invention for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from core concept of the present invention; some modifications can also be carried out to the present invention; such as, angle precision on two springs, the concrete technical data separating locked groove and password grooves, scale handle and the technical data etc. of each engaging tooth carries out some amendments or claim carries out some combinations, within the protection domain that should drop on the claims in the present invention.
Claims (10)
1. a strongbox mechanical lock, comprise lock (1), password axle sleeve (2), clutch gear (3), transmission mechanism and telescoping mechanism, it is characterized in that, described lock (1) one end is provided with scale handle (4), the other end is provided with password gear (5) and cipher chips (6), described password gear (5) and transmission mechanism link, cipher chips (6) and password axle sleeve (2) link, password gear (5) and cipher chips (6) are equipped with separates locked groove (7), described password axle sleeve (2) is socketed in lock (1), password axle sleeve (2) one end is meshed with clutch gear (3), the other end is connected with transmission mechanism, described telescoping mechanism one end is through clutch gear (3), be connected with scale handle (4), the other end is meshed with transmission mechanism.
2. a kind of strongbox mechanical lock according to claim 1, it is characterized in that, described telescoping mechanism is by engaging sleeve (8), power transmission shaft (9), telescopic pin (10), spring I(11) and spring II(12) composition, described engaging sleeve (8) one end is meshed with transmission mechanism, the other end and clutch gear (3) are by spring I(11) be connected, the inwall of engaging sleeve (8) is provided with multiple directive slide track suitable with power transmission shaft (9), the stopper slot (13) suitable with telescopic pin (10) is provided with in directive slide track, one end of described power transmission shaft (9) is connected with clutch gear (3) is spacing, and through clutch gear (3), fix with scale handle (4), the other end and telescopic pin (10) are by spring II(12) be connected, and be meshed by end-tooth.
3. a kind of strongbox mechanical lock according to claim 2, it is characterized in that, described telescoping mechanism also comprises T-shaped pin (14), the head of described T-shaped pin (14) and telescopic pin (10) close contact, with spring II(12) fix, the axle portion of described T-shaped pin (14), through telescopic pin (10), is socketed with power transmission shaft (9).
4. a kind of strongbox mechanical lock according to claim 1 and 2, it is characterized in that, described transmission mechanism is made up of drive sleeve (15) and travelling gear (16), described travelling gear (16) is connected with drive sleeve (15), link with password gear (5), described drive sleeve (15) and password axle sleeve (2) are fixed by socket, and are meshed with engaging sleeve (8).
5. a kind of strongbox mechanical lock according to claim 1 and 2, it is characterized in that, described transmission mechanism also comprises driver blade (17), described driver blade (17) is provided with the password groove (18) corresponding with separating locked groove (7), described driver blade (17) is connected with password axle sleeve (2), link with cipher chips (6), described driver blade (17), between password gear (5) and cipher chips (6), be equipped with partition ring (19).
6. a kind of strongbox mechanical lock according to claim 1, is characterized in that, described password gear (5) and the opposite side of cipher chips (6) are equipped with corresponding trunnion cup (20).
7. a kind of strongbox mechanical lock according to claim 1, is characterized in that, the solution locked groove (7) on described password gear (5) and cipher chips (6) is one, two or more.
8. a kind of strongbox mechanical lock according to claim 7, is characterized in that, the center line of the solution locked groove (7) on described password gear (5) or cipher chips (6) is not overlapping.
9. a kind of strongbox mechanical lock according to claim 1, it is characterized in that, described lock (1) is provided with locked cover (21), described password gear (5) and cipher chips (6) are all arranged on locked cover (21), and described password axle sleeve (2) and lock (1) are fixed by locked cover (21).
10. a kind of strongbox mechanical lock according to claim 1, is characterized in that, the afterbody of described scale handle (4) is provided with shrouding (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338021.4A CN104278897B (en) | 2014-07-16 | A kind of condom mechanical lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338021.4A CN104278897B (en) | 2014-07-16 | A kind of condom mechanical lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104278897A true CN104278897A (en) | 2015-01-14 |
| CN104278897B CN104278897B (en) | 2017-01-04 |
Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909070A (en) * | 2016-07-11 | 2016-08-31 | 李玉贤 | Code stacking type mechanical coded lock |
| CN111519996A (en) * | 2020-04-29 | 2020-08-11 | 德施曼机电（中国）有限公司 | Control method of intelligent fingerprint door lock device |
| CN111660800A (en) * | 2020-06-18 | 2020-09-15 | 袁利峰 | Fuel tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204486U (en) * | 1987-08-06 | 1988-08-31 | 杜树雄 | Special lock of safe |
| US20070222229A1 (en) * | 2006-03-23 | 2007-09-27 | Jasper Thomas E | Lock bolt release system and method |
| CN201158986Y (en) * | 2008-01-22 | 2008-12-03 | 赵军 | Letter lock of cabinet door |
| WO2011109264A1 (en) * | 2010-03-01 | 2011-09-09 | Master Lock Company Llc | Combination locks with improved code-changing features |
| CN203978058U (en) * | 2014-07-16 | 2014-12-03 | 宁波双九电子安防有限公司 | A kind of strongbox mechanical lock |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204486U (en) * | 1987-08-06 | 1988-08-31 | 杜树雄 | Special lock of safe |
| US20070222229A1 (en) * | 2006-03-23 | 2007-09-27 | Jasper Thomas E | Lock bolt release system and method |
| CN201158986Y (en) * | 2008-01-22 | 2008-12-03 | 赵军 | Letter lock of cabinet door |
| WO2011109264A1 (en) * | 2010-03-01 | 2011-09-09 | Master Lock Company Llc | Combination locks with improved code-changing features |
| CN203978058U (en) * | 2014-07-16 | 2014-12-03 | 宁波双九电子安防有限公司 | A kind of strongbox mechanical lock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909070A (en) * | 2016-07-11 | 2016-08-31 | 李玉贤 | Code stacking type mechanical coded lock |
| CN111519996A (en) * | 2020-04-29 | 2020-08-11 | 德施曼机电（中国）有限公司 | Control method of intelligent fingerprint door lock device |
| CN111660800A (en) * | 2020-06-18 | 2020-09-15 | 袁利峰 | Fuel tank |
| CN111660800B (en) * | 2020-06-18 | 2024-01-19 | 袁利峰 | Fuel tank |
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Effective date of registration: 20180921 Address after: No. 106 National Road, No. 188 national highway, Wuyi Economic Development Zone, Ningbo, Zhejiang Patentee after: Hebei surpasses intelligent Polytron Technologies Inc Address before: 315809 phase two, Chai Qiao Industrial Zone, Beilun, Ningbo, Zhejiang Patentee before: NINGBO SHUANGJIU ELECTRONIC SECURITY CO., LTD. |
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Granted publication date: 20170104 Termination date: 20200716 |
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