CN204507075U - A kind of Semi-automatic lock for bicycle with remote control start-up performance - Google Patents
A kind of Semi-automatic lock for bicycle with remote control start-up performance Download PDFInfo
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- CN204507075U CN204507075U CN201520202260.7U CN201520202260U CN204507075U CN 204507075 U CN204507075 U CN 204507075U CN 201520202260 U CN201520202260 U CN 201520202260U CN 204507075 U CN204507075 U CN 204507075U
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Abstract
The utility model provides a kind of Semi-automatic lock for bicycle with remote control start-up performance, it comprises lock body and is covered on the locking closure on lock body, and mechanical transmission mechanism comprises power supply, the DC machine be connected with power electric, worm and gear speed-reduction apparatus, gear and the tooth bar as locking bar; Control mechanism comprises remote controller, is all arranged on the limit switch inductor of lock body inside and remote control circuit plate; Remote control circuit plate is provided with remote control module, and remote controller is connected with remote control module signal, and remote control module rotates for the DC motor drives controlling to be provided with turbine and worm speed reduction gearing, is used for realization locks or unlock with the tooth bar of gears meshing; Remote control module is connected with limit switch inductor signal, and when realizing tooth bar shake-up limit switch inductor, remote control module controls to lock to shut down or unlock and shuts down.The utility model bicycle lock rugged construction is firm, effectively can realize the intellectuality that lock opens and closes, thus can improve the safe reliability of bicycle lock, convenience and practicality.
Description
Technical field
The utility model relates to a kind of bicycle lock, more particularly, relates to a kind of bicycle lock with remote control start-up performance.
Background technology
Society, environmental improvement is most important problem, and wherein, air treating is top priority.And environmental protection trip solves one of environmental issue important channel.In daily life, the go on a journey mode of most environmental protection of short distance is exactly bicycle, bicycle especially mountain bike, highway car, special material bicycle is just more and more subject to youthful welcome, simultaneously bicycle also gradually by each age group crowd as the tool movement improved the health.
Bicycle widely use the development also advancing bicycle trade, along with the raising of people's quality of life, the requirement of the aspects such as the convenient performance of bicycle is also improved thereupon, correspondingly, the cost of bicycle also improves thereupon, during trip, one of problem that the antitheft car owners of becoming of bicycle must consider.
But all there is common shortcoming in bicycle lock on the market at present---safe reliability is not strong.Existing bicycle lock three kinds nothing more than: the first is traditional cable wire (iron chains) pure mechanical lock; The second is the disjunctor cable wire mechanical lock being installed on vehicle seat axle; The third is that S. A. opens steel lock.The first is the most stolen with the bicycle lock of the second, because its structure is simple, and intensity is difficult to reach antitheft requirement by size and cost impact all the time, only needs an iron wire and once steel being cut and can easily unlocking, greatly reduce its safe reliability.And the theftproof performance of the third bicycle lock is slightly good, but to load due to it or outside mounting structure is exposed to, in any case therefore this bicycle lock is firm, it is exposed to outer mechanical mechanism becomes inevitable antitheft weak link, and burglar completes unblock by disassembling its physical construction.
Meanwhile, existing bicycle lock does not possess the function of warning, and anti-theft effect is poor.Existing bicycle lock does not possess the function of location yet, be not easy to car owner the intensive place of putting of bicycle or light bad in find bicycle, and when there is pilferage event, because existing bicycle lock does not have positioning function, being also not easy to car owner and recovering bicycle.
Therefore, now need provide that a kind of rugged construction is firm, theftproof performance good and can realize reporting to the police and locating the Semi-automatic lock for bicycle of multi-functional band remote control start-up performance, thus the safe reliability of bicycle lock, convenience and practicality can be improved.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, a kind of Semi-automatic lock for bicycle with remote control start-up performance is provided, this bicycle lock rugged construction is firm, theftproof performance good, effectively can realize the intellectuality that lock opens and closes, thus the safe reliability of bicycle lock, convenience and practicality can be improved.The further object of the utility model is to provide one can realize reporting to the police and locating multi-functional Semi-automatic lock for bicycle, thus the safety and reliability of further this bicycle lock of raising, intellectuality and practicality, realize omnibearing anti-theft, be conducive to it and promote on a large scale and use.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of Semi-automatic lock for bicycle with remote control start-up performance, comprise lock body and be covered on the locking closure on lock body, it is characterized in that: also comprise the mechanical transmission mechanism and control mechanism that are arranged on lock body inside; Described mechanical transmission mechanism comprises power supply, the DC machine be connected with power electric, worm and gear speed-reduction apparatus, gear and the tooth bar as locking bar; Described gear is connected with DC machine by worm and gear speed-reduction apparatus;
Described control mechanism comprises remote controller, is all arranged on the limit switch inductor of lock body inside and remote control circuit plate; Described remote control circuit plate is provided with remote control module, and remote controller is connected with remote control module signal, and remote control module rotates for the DC motor drives controlling to be provided with turbine and worm speed reduction gearing, is used for realization locks or unlock with the tooth bar of gears meshing; Described remote control module is connected with limit switch inductor signal, and when realizing tooth bar shake-up limit switch inductor, remote control module controls to lock to shut down or unlock and shuts down.
In such scheme, remote controller of the present utility model controls mechanical transmission mechanism work by remote control module, mechanical transmission mechanism compact conformation, utilization gear and arc-shaped rack gear motion reach the object that bicycle lock is locked or unlocked, thus improve the intellectuality of bicycle lock, the convenience of use and practicality.In Traditional Thinking, gear and tooth bar are drive disk assemblies, and this programme has used the motion parts of a part as lock body of drive disk assembly dexterously, are conducive to simplified structure and the problem not needing solution transmission whether to mate, are skillfully constructed.Utilize turbine and worm screw to slow down, be conducive to reducing mechanical wear and increase the service life.And the Semi-automatic lock for bicycle of the band remote control start-up performance that the utility model proposes to lock with unlocking be all control with remote controller, and remote controller and remote control circuit plate realize unique corresponding, and namely each lock only has a remote controller to control.Meanwhile, mechanical transmission mechanism of the present utility model is arranged on lock body inside, and locking closure and lock body cover, thus does not have the chance disassembling bicycle lock inner structure to burglar, therefore greatly can improve the safe reliability of theftproof performance and this bicycle lock.
More particularly, described lock body is provided with ring part, and tooth bar is arranged on ring part; Two described limit switch inductors are separately positioned on ring part; The ring part width of described lock body is greater than the width of bike tyre.Rack and pinion of the present utility model makes with high strength light material.
Described lock body is provided with quick-disassembly structure, and described lock body is arranged on bicycle by quick-disassembly structure.This quick-disassembly structure adopts aluminum alloy to make, and it makes bicycle lock Assembly &Disassembly all very convenient, improves practicality and the convenience of bicycle lock further.
Described remote controller is connected by micro controller system and electromagnetic wave signal with remote control module.Maximum communication distance of the present utility model is 50 meters.
Described power supply is rechargeable type power supply, be positioned at place power supply place lock body on be provided with charging jacks.The utility model adopts rechargeable type power supply relatively long for service life, is a portable set integrating accumulate, boosting, Charge Management, can improve the convenience that bicycle lock uses.
Described tooth bar upper surface is provided with guide finger, and described locking closure offers guide groove relative to tooth bar place, and guide finger stretches into guide groove; When rack and pinion engagement rotation, guide finger moves in guide groove.The design of guide finger and guide groove can improve the stability that bicycle lock is locked or unlocked, and is also convenient to the observation to its work of car owner.
Described lock body and locking closure are tightly connected by tamper proof screws.Lock body of the present utility model and locking closure are made up of high strength light material, theftproof performance and safety and reliability that both adopt tamper proof screws to be tightly connected can to improve bicycle lock.
The utility model also comprises the buzzer phone being arranged on lock body inside and the vibrations alarm module be connected with remote controller signal; Described vibrations alarm module to be arranged on remote control circuit plate and to be connected with buzzer signal, and realize bicycle lock when being given a shock, vibrations alarm module controls buzzer warning; Described buzzer phone is all connected with power electric with vibrations alarm module.The vibrations alarm module that the utility model can use with remote control module serial based on micro controller system design, this vibrations warning function is achieved in that and first determines whether starting shock warning function by user, when being started by remote controller, certain vibrations are subject to once bicycle lock, if vibration amplitude exceedes setting value, buzzer phone will send ear-piercing alarm song to stop pilferage behavior.Therefore, this design can further improve theftproof performance and the safety and reliability of bicycle lock.
Described remote controller is connected by micro controller system and electromagnetic wave signal with vibrations alarm module.Maximum communication distance of the present utility model is 50 meters.
The utility model also comprises the remote sensing locating module be connected with power electric, and described remote sensing locating module to be arranged on remote control circuit plate and to be connected with remote controller signal, realizes bicycle lock location information being sent in car owner's mobile phone by big-dipper satellite.The remote sensing locating module that the utility model designs based on Beidou satellite system, can realize bicycle by the function of location tracking.When power supply abundance, opened by remote controller, remote sensing locating module is standby all the time, when there is pilferage event, bicycle lock is forcibly opened, at this time will trigger the switch of global position system, unlatching remote sensing locating module sends location information to the mobile phone of car owner, thus recovers bicycle.And, this positioning function, be also convenient to car owner the intensive place of putting of bicycle or light bad in find bicycle.
The Semi-automatic lock for bicycle rugged construction of band remote control start-up performance of the present utility model is firm and theftproof performance good, and the principle of work of this bicycle lock is such:
1, the process of locking of bicycle lock is such: the button of locking pressing remote controller, remote control module starts DC machine work after receiving actuation signal, and moment of torsion is input to worm and gear speed-reduction apparatus, output to gear again, gear drives arc-shaped rack to turn over certain angle (such as 85 °) by engagement under the driving of output shaft, and namely tooth bar rotates clockwise; When tooth bar touches limit switch inductor, send to remote control module shutdown signal of locking, tooth bar stops at this position.
2, the releasing process of bicycle lock is such: the unlock button pressing remote controller, remote control module starts DC machine reversion after receiving unlocking signal, and moment of torsion is input to worm and gear speed-reduction apparatus, output to gear again, gear drives arc-shaped rack reversion certain angle (such as 85 °) by engagement under the driving of output shaft, and namely tooth bar rotates counterclockwise; When tooth bar touches another limit switch inductor, send unblock shutdown signal to remote control module, tooth bar stops at this position.
3, bicycle lock vibrations warning function is achieved in that and first determines whether starting shock warning function by user, when pressing the button of locking of remote controller, certain vibrations are subject to once bicycle lock, if vibration amplitude exceedes setting value, buzzer phone will send ear-piercing alarm song to stop pilferage behavior.When pressing the unlock button of remote controller, bicycle lock is subject to the situation of strenuous vibration, and buzzer phone all can not send the sound of warning.
4, the positioning function of bicycle lock is achieved in that the button of locking pressing remote controller, remote sensing locating module is standby all the time, when there is pilferage event, bicycle lock is forcibly opened, at this time the switch of global position system will be triggered, open remote sensing locating module record driving recording, the mobile phone to car owner sends location information, thus recovers bicycle.Press the button of locking of remote controller, remote sensing locating module is standby all the time, and records driving recording, feeds back to the mobile phone of car owner, facilitate good friend share and map search driving coordinate.
Compared with prior art, the utility model tool has the following advantages and beneficial effect:
1, the Semi-automatic lock for bicycle safe reliability of band remote control start-up performance of the present utility model is high and theftproof performance is high, effectively can stop the stolen loss that personal property or public property are brought of bicycle, thus be conducive to the practical value and the brand image that improve bicycle.
2, the Semi-automatic lock for bicycle rugged construction of band remote control start-up performance of the present utility model is firm, effectively can realize the intellectuality that lock opens and closes, thus can improve convenience and the practicality of bicycle lock.
3, bicycle lock of the present utility model can realize reporting to the police and locating multi-functional, thus the safety and reliability of further this bicycle lock of raising, intellectuality and practicality, realize omnibearing anti-theft, be conducive to it and promote on a large scale and use.
4, the utility model adopts the self-locking of worm and gear of driven by motor and the characteristic of big retarding ratio, effectively avoid lock easily to be turned on, easily damaged, need manually, be not suitable for the phenomenons such as Long-distance Control, make it more more convenient than the lock of bicycle, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation (remote controller is not shown) of the Semi-automatic lock for bicycle of the utility model band remote control start-up performance;
Fig. 2 is the inner structure schematic diagram of the Semi-automatic lock for bicycle of the utility model band remote control start-up performance;
Wherein, 1 is lock body; 2 is buzzer phone; 3 is DC machine; 4 is worm and gear speed-reduction apparatus; 5 is gear; 6 is arc-shaped rack; 61 is guide finger; 7 is quick-disassembly structure; 8 is limit switch inductor; 9 is power supply; 10 is remote control circuit plate; 101 is remote control module; 102 is vibrations alarm module; 103 is remote sensing locating module; 11 is tamper proof screws hole; 12 is charging jacks; 13 is locking closure; 131 is guide groove.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Embodiment
As depicted in figs. 1 and 2, the Semi-automatic lock for bicycle of the utility model band remote control start-up performance, it locking closure 13 comprising lock body 1 and be covered on lock body 1; It also comprises the mechanical transmission mechanism and control mechanism that are arranged on lock body 1 inside.Wherein, mechanical transmission mechanism comprises power supply 9, the 12v DC machine 3 be electrically connected with power supply 9, worm and gear speed-reduction apparatus 4, gear 5 and the arc-shaped rack 6 as locking bar, and gear 5 is connected with DC machine 3 by worm and gear speed-reduction apparatus 4.
Control mechanism of the present utility model comprises remote controller, the limit switch inductor 8 being all arranged on lock body 1 inside and remote control circuit plate 10, wherein, remote control circuit plate 10 is provided with remote control module 101, remote controller is connected with remote control module 101 signal, remote control module 101 rotates for DC machine 3 driven gear 5 controlling to be provided with turbine and worm speed reduction gearing 4, locks with the tooth bar 6 of gears meshing or unlocks for realizing.Remote controller is connected by micro controller system and electromagnetic wave signal with remote control module 101, and its maximum communication distance is 50 meters.And remote control module 101 is connected with limit switch inductor 8 signal, realize tooth bar 6 when touching limit switch inductor 8, remote control module 101 controls to lock to shut down or unlock and shuts down.
Lock body 1 of the present utility model is provided with ring part, and tooth bar 6 is arranged on ring part; Two limit switch inductors 8 are separately positioned on ring part.The ring part width of this lock body 1 is greater than the width of bike tyre.In order to make bicycle lock Assembly &Disassembly convenient, lock body 1 is provided with quick-disassembly structure 7, and lock body 1 is arranged on bicycle by quick-disassembly structure 7.This quick-disassembly structure 7 adopts aluminum alloy to make, and can further improve practicality and the convenience of bicycle lock.Power supply 9 of the present utility model is 12v direct current rechargeable type power supply, be positioned at place power supply 9 place lock body 1 on be provided with charging jacks 12.
In order to improve the stability that bicycle lock is locked or unlocked, tooth bar 6 upper surface is provided with guide finger 61, and locking closure 13 offers guide groove 131 relative to tooth bar 6 place, and guide finger 61 stretches into guide groove 131; When tooth bar 6 and gear 5 engagement rotation, guide finger 61 moves in guide groove 131.In order to improve theftproof performance, lock body 1 of the present utility model is provided with tamper proof screws hole 11, this lock body 1 realizes being tightly connected by the connection in tamper proof screws and tamper proof screws hole 11 with locking closure 13.Lock body 1 of the present utility model and locking closure 13 are made up of high strength light material, theftproof performance and safety and reliability that both adopt tamper proof screws to be tightly connected can to improve bicycle lock.
The utility model also comprises the buzzer phone 2 being arranged on lock body 1 inside and the vibrations alarm module 102 be connected with remote controller signal.This vibrations alarm module 102 to be arranged on remote control circuit plate 10 and to be connected with buzzer phone 2 signal, and realize bicycle lock when being given a shock, vibrations alarm module 102 controls buzzer phone 2 and reports to the police, and wherein, buzzer phone 2 and vibrations alarm module 102 are all electrically connected with power supply 9.And remote controller and vibrations alarm module 102 are connected by micro controller system and electromagnetic wave signal, its maximum communication distance is 50 meters.
The utility model also comprises the remote sensing locating module 103 be electrically connected with power supply 9, and this remote sensing locating module 103 to be arranged on remote control circuit plate 10 and to be connected with remote controller signal, realizes bicycle lock location information being sent in car owner's mobile phone by big-dipper satellite.
The Semi-automatic lock for bicycle rugged construction of band remote control start-up performance of the present utility model is firm and theftproof performance good, and the principle of work of this bicycle lock is such:
1, the process of locking of bicycle lock is such: the button of locking pressing remote controller, remote control module 101 starts DC machine 3 and works after receiving actuation signal, and moment of torsion is input to worm and gear speed-reduction apparatus 4, output to gear 5 again, gear 5 drives arc-shaped rack 6 to turn over certain angle (85 °) by engagement under the driving of output shaft, and namely tooth bar 6 rotates clockwise; When tooth bar 6 touches limit switch inductor 8, send to remote control module 101 shutdown signal of locking, tooth bar 6 stops at this position.
2, the releasing process of bicycle lock is such: the unlock button pressing remote controller, remote control module 101 starts DC machine 3 and reverses after receiving unlocking signal, and moment of torsion is input to worm and gear speed-reduction apparatus 4, output to gear 5 again, gear 5 drives arc-shaped rack 6 to reverse certain angle (85 °) by engagement under the driving of output shaft, and namely tooth bar 6 rotates counterclockwise; When tooth bar 6 touches another limit switch inductor 8, send unblock shutdown signal to remote control module 101, tooth bar 6 stops at this position.
3, bicycle lock vibrations warning function is achieved in that and first determines whether starting shock warning function by user, when pressing the button of locking of remote controller, certain vibrations are subject to once bicycle lock, if vibration amplitude exceedes setting value, buzzer phone 2 will send ear-piercing alarm song to stop pilferage behavior.When pressing the unlock button of remote controller, bicycle lock is subject to the situation of strenuous vibration, and buzzer phone 2 all can not send the sound of warning.
4, the positioning function of bicycle lock is achieved in that the button of locking pressing remote controller, remote sensing locating module 103 is standby all the time, when there is pilferage event, bicycle lock is forcibly opened, at this time the switch of global position system will be triggered, open remote sensing locating module 103 and record driving recording, the mobile phone to car owner sends location information, thus recovers bicycle.Press the button of locking of remote controller, remote sensing locating module 103 is standby all the time, and records driving recording, feeds back to the mobile phone of car owner, facilitate good friend share and map search driving coordinate.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (10)
1. the Semi-automatic lock for bicycle with remote control start-up performance, comprises lock body and is covered on the locking closure on lock body, it is characterized in that: also comprise the mechanical transmission mechanism and control mechanism that are arranged on lock body inside; Described mechanical transmission mechanism comprises power supply, the DC machine be connected with power electric, worm and gear speed-reduction apparatus, gear and the tooth bar as locking bar; Described gear is connected with DC machine by worm and gear speed-reduction apparatus;
Described control mechanism comprises remote controller, is all arranged on the limit switch inductor of lock body inside and remote control circuit plate; Described remote control circuit plate is provided with remote control module, and remote controller is connected with remote control module signal, and remote control module rotates for the DC motor drives controlling to be provided with turbine and worm speed reduction gearing, is used for realization locks or unlock with the tooth bar of gears meshing; Described remote control module is connected with limit switch inductor signal, and when realizing tooth bar shake-up limit switch inductor, remote control module controls to lock to shut down or unlock and shuts down.
2. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, it is characterized in that: described lock body is provided with ring part, tooth bar is arranged on ring part; Two described limit switch inductors are separately positioned on ring part; The ring part width of described lock body is greater than the width of bike tyre.
3. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, it is characterized in that: described lock body is provided with quick-disassembly structure, described lock body is arranged on bicycle by quick-disassembly structure.
4. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, is characterized in that: described remote controller is connected by micro controller system and electromagnetic wave signal with remote control module.
5. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, is characterized in that: described power supply is rechargeable type power supply, be positioned at place power supply place lock body on be provided with charging jacks.
6. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, is characterized in that: described tooth bar upper surface is provided with guide finger, and described locking closure offers guide groove relative to tooth bar place, and guide finger stretches into guide groove; When rack and pinion engagement rotation, guide finger moves in guide groove.
7. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 1, is characterized in that: described lock body and locking closure are tightly connected by tamper proof screws.
8. the Semi-automatic lock for bicycle of band remote control start-up performance according to any one of claim 1 to 7, is characterized in that: also comprise the buzzer phone being arranged on lock body inside and the vibrations alarm module be connected with remote controller signal; Described vibrations alarm module to be arranged on remote control circuit plate and to be connected with buzzer signal, and realize bicycle lock when being given a shock, vibrations alarm module controls buzzer warning; Described buzzer phone is all connected with power electric with vibrations alarm module.
9. the Semi-automatic lock for bicycle of band remote control start-up performance according to claim 8, is characterized in that: described remote controller is connected by micro controller system and electromagnetic wave signal with vibrations alarm module.
10. the Semi-automatic lock for bicycle of band remote control start-up performance according to any one of claim 1 to 7, it is characterized in that: also comprise the remote sensing locating module be connected with power electric, described remote sensing locating module to be arranged on remote control circuit plate and to be connected with remote controller signal, realizes bicycle lock location information being sent in car owner's mobile phone by big-dipper satellite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202260.7U CN204507075U (en) | 2015-04-03 | 2015-04-03 | A kind of Semi-automatic lock for bicycle with remote control start-up performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520202260.7U CN204507075U (en) | 2015-04-03 | 2015-04-03 | A kind of Semi-automatic lock for bicycle with remote control start-up performance |
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| CN204507075U true CN204507075U (en) | 2015-07-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773230A (en) * | 2015-04-03 | 2015-07-15 | 佛山科学技术学院 | Semiautomatic bicycle lock with remote control starting function |
| CN106522696A (en) * | 2016-11-29 | 2017-03-22 | 内蒙古大学 | Vehicle lock and vehicle lock control method |
| CN106898066A (en) * | 2017-01-25 | 2017-06-27 | 浙江大学 | A kind of non-motor vehicle dynamic puzzle-lock based on clock |
| CN106985935A (en) * | 2017-04-06 | 2017-07-28 | 广州大学 | A kind of theft-proof device for bicycle |
| CN108756485A (en) * | 2018-05-29 | 2018-11-06 | 安徽理工大学 | A kind of novel no full-automatic lock of keyhole |
-
2015
- 2015-04-03 CN CN201520202260.7U patent/CN204507075U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773230A (en) * | 2015-04-03 | 2015-07-15 | 佛山科学技术学院 | Semiautomatic bicycle lock with remote control starting function |
| CN104773230B (en) * | 2015-04-03 | 2017-12-01 | 佛山科学技术学院 | Semi-automatic lock for bicycle with remote control startup function |
| CN106522696A (en) * | 2016-11-29 | 2017-03-22 | 内蒙古大学 | Vehicle lock and vehicle lock control method |
| CN106522696B (en) * | 2016-11-29 | 2019-04-30 | 内蒙古大学 | Lock and lock control method |
| CN106898066A (en) * | 2017-01-25 | 2017-06-27 | 浙江大学 | A kind of non-motor vehicle dynamic puzzle-lock based on clock |
| CN106985935A (en) * | 2017-04-06 | 2017-07-28 | 广州大学 | A kind of theft-proof device for bicycle |
| CN108756485A (en) * | 2018-05-29 | 2018-11-06 | 安徽理工大学 | A kind of novel no full-automatic lock of keyhole |
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