CN204343822U - A kind of electronic lock of bi-motor structure - Google Patents
A kind of electronic lock of bi-motor structure Download PDFInfo
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- CN204343822U CN204343822U CN201420775962.XU CN201420775962U CN204343822U CN 204343822 U CN204343822 U CN 204343822U CN 201420775962 U CN201420775962 U CN 201420775962U CN 204343822 U CN204343822 U CN 204343822U
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Abstract
The utility model relates to electronic lock technical field, be specifically related to a kind of electronic lock of bi-motor structure, comprise motor A and motor B, the corresponding driving clutch mechanism A of motor A, the corresponding driving clutch mechanism B of motor B, the power intake of clutch A is connected with motor A, the power intake of clutch B is connected with motor B, the clutch end of clutch A is fixedly connected with handle knob, the clutch end of clutch B is fixedly connected with lock core knob, gear linkage mechanism and spring bolt mechanism are connected, gear linkage mechanism comprises intermeshing cogging and lower gear, handle knob controls the rotation cogged, lock core knob controls the rotation of lower gear, gear linkage mechanism drives the stretching motion of spring bolt mechanism, it is high that it has usage safety performance, portability is strong, structure is simple, the feature not easily broken down.
Description
Technical field
The utility model relates to electronic lock technical field, is specifically related to a kind of electronic lock of bi-motor structure.
Background technology
Traditional electronic lock generally only has a motor to drive, and when motor breaks down, door lock just cannot continue to use electronics input mode to open.Can only adopt mechanical key emergent unlocking, but under normal circumstances, user carrying about standby key or standby key can not lose owing to being of little use at any time, and the mode of tearing lock by force open therefore then can only be adopted to open the door.
For above-mentioned defect, someone starts the electronic lock designing bi-motor, and when a motor breaks down, another motor can play the effect of emergency use.This type of bi-motor electronic lock of current research and development, two motors are all control same unlocking mechanism simultaneously, and the switching mode major part of two motors all adopts automatic switchover mode, and namely conventional motor breaks down, then effectiveness startup occurs motor for subsequent use automatically.The shortcoming of this kind of pattern is: the first, when unlocking mechanism breaks down, even if another motor can use, still door lock cannot be opened, second is that user can not commonly use electrical fault and carry out on-call maintenance by Timeliness coverage, and also break down once motor for subsequent use, then door lock cannot be opened.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, and provide a kind of electronic lock of bi-motor structure, it is high that it has usage safety performance, the feature that portability is strong, structure simply, not easily breaks down.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electronic lock of bi-motor structure, comprise lock housing, motor A is provided with in lock housing, motor B, clutch A, clutch B, gear linkage mechanism, spring bolt mechanism, handle knob, lock core knob, power supply, change-over switch and control panel, described power supply respectively with described clutch A, clutch B and control panel electrical connection, described change-over switch is for switching the power supply object of described power supply, described motor A correspondence drives described clutch A, described motor B correspondence drives described clutch B, the power intake of described clutch A is connected with described motor A, the power intake of described clutch B is connected with described motor B, the clutch end of described clutch A is corresponding with described handle knob to be connected, the clutch end of described clutch B is corresponding with described lock core knob to be connected, described gear linkage mechanism and described spring bolt mechanism are connected, described gear linkage mechanism comprises intermeshing cogging and lower gear, the rotation cogged described in described handle knob controls, described lock core knob controls the rotation of described lower gear, described gear linkage mechanism drives the stretching motion of described spring bolt mechanism.
Wherein, described clutch A includes clutch plectrum A, on-of pin, middle connector A, described on-of pin is arranged between described clutch plectrum A and middle connector A movably, described middle connector A with described cog to conflict be connected, described handle knob is connected by on-of pin with described middle connector A, and described motor A drives moving up and down of described clutch plectrum.
Further, described middle connector A is provided with guide-track groove, and described clutch plectrum A is provided with arc-shaped slide rail, and described on-of pin is movable to be connected between described guide-track groove and arc-shaped slide rail, and described handle knob is provided with the slide block for stirring described on-of pin.
Wherein, the power output shaft of described motor A is provided with pin, and pin has installed around spring, and spring overcoat is provided with promotion slide block, promotes moving up and down of clutch plectrum A described in slipper push.
Wherein, described clutch B comprises clutch plectrum B and shifting part, and the power output shaft of described motor B is provided with pin, and pin has installed around spring, and spring overcoat is provided with promotion slide block, promotes moving up and down of clutch plectrum B described in slipper push;
When clutch plectrum B moves up, shifting part and lock core knob close;
When clutch plectrum B moves down, shifting part is separated with lock core knob.
Wherein, also comprise tee junction socket in described lock housing, one end of tee junction socket is connected with power electric, and the other end of tee junction socket is electrically connected with motor A and motor B respectively, and the 3rd end of tee junction socket is electrically connected with control panel.
Wherein, the outdoor panel of described lock is provided with USB interface, and USB interface is electrically connected with the 3rd end of described tee junction socket.
Wherein, be also supportingly provided with hand-held PDA, in hand-held PDA, be provided with the circuit control system corresponding with control panel.
Wherein said outdoor panel is provided with the combination of one or more in pick-proof induction installation, Smoke Sensor, temperature pick up, alarm.
Wherein, control panel is provided with display screen, fingerprint region and password and the district that swipes the card.
The beneficial effects of the utility model: two motors of the present utility model independently drive a set of clutch, when wherein a set of clutch or motor break down, another set of clutch or motor, as emergency use device energy emergency use, improve the guarantee performance of use;
The switch mode of motor A of the present utility model and motor B adopts manual switching, and user, in the process used, motor A occurs there is fault, needs MTS, and power supply is turned supply motor B by power supply, and motor B starts, and user can be locked into row maintenance by opposite house in time.
Emergency use device is provided with lock core knob, when needs enable motor B and clutch B unblanks, need pattern input password, fingerprint or the contactless card according to usual means, and need to utilize as normal key or screwdriver etc. have in the foreign object insertion lock core hole of tapering plane Plug Division, in conjunction with handle, door could be opened, improve the security performance of door lock.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further utility model, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the internal construction sectional view of the electronic lock of a kind of bi-motor structure of the utility model;
Structural representation when Fig. 2 is motor A and the clutch A released state of the electronic lock of a kind of bi-motor structure of the utility model;
Structural representation when Fig. 3 is motor A and the clutch A closure state of the electronic lock of a kind of bi-motor structure of the utility model;
Structural representation when Fig. 4 is motor B and the clutch B released state of the electronic lock of a kind of bi-motor structure of the utility model;
Structural representation when Fig. 5 is motor B and the clutch B closure state of the electronic lock of a kind of bi-motor structure of the utility model;
Fig. 6 is the structural representation of the embodiment 2 of the electronic lock of a kind of bi-motor structure of the utility model;
Fig. 7 is the front elevation drawing of the electronic lock of a kind of bi-motor structure of the utility model.
Reference numeral comprises:
1------safe tongue knob 3---handle knob 4---cogs lock housing 2
5---lower gear 6---motor A 7---lock core knob 8---motor B
9---clutch plectrum A 10---clutch plectrum B 11---safe tongues
12---latch bolt 13---main tongue 14---spring 15---promotion slide blocks
16---on-of pin 17---middle connector A 18---hand-held PDA 19---shifting parts
20---outdoor panel 21---display screen 22---password and the district 23 that swipes the card---fingerprint regions
24---handle 25---lock core knob socket 26---indoor panel 27---change-over switch 28---USB interface 29---tee junction socket 30---guide-track grooves
31---slide block 32---arc-shaped slide rail.
Detailed description of the invention
With the following Examples the utility model is further described.
embodiment 1
As shown in Figure 1 and Figure 7, a kind of electronic lock of bi-motor structure, comprise lock housing 1, motor A6, motor B8, clutch A, clutch B, gear linkage mechanism, spring bolt mechanism, handle knob 3, lock core knob 7, power supply, change-over switch 27 and control panel, this electronic lock is also provided with indoor panel 26 and outdoor panel 20, electronic lock body is arranged in a body, and indoor panel 26 and outdoor panel 20 are arranged on a body by connecting bolt.Spring bolt mechanism comprises main tongue 13 and latch bolt 12, and the lockhole that main tongue 13 and latch bolt 12 are each passed through lock housing 1 stretches out outside lock housing 1.Main tongue 13 is fixedly connected with gear linkage mechanism respectively by connecting rod with latch bolt 12.
Indoor panel 26 the power supply lid of opening power can carry out mounting or dismounting battery.Described power supply is electrically connected with described clutch A, clutch B and control panel, and described change-over switch 27 is for switching the power supply object of described power supply, and namely Switching power is powered to clutch A or powers to clutch B.The pattern effect with having prompting more directly perceived of manual switching, can be locked into row maintenance by the timely opposite house of reminding user.
Described motor A6 correspondence drives described clutch A, described motor B8 correspondence drives described clutch B, the power intake of described clutch A is connected with described motor A6, the power intake of described clutch B is connected with described motor B8, the clutch end of described clutch A is fixedly connected with described handle knob 3, the clutch end of described clutch B is fixedly connected with described lock core knob 7, described gear linkage mechanism and described spring bolt mechanism are connected, described gear linkage mechanism comprises intermeshing 4 and the lower gear 5 of cogging, described handle knob 3 with described cog 4 corresponding connect and control to cog 4 rotation, described lock core knob 7 is corresponding with described lower gear 5 to connect and controls the rotation of lower gear 5, described gear linkage mechanism drives the stretching motion of described spring bolt mechanism.
Motor A6 and clutch A forms conventional drive unit, when conventional drive unit normally uses, by utilizing control panel to input password, fingerprint or contactless card, control system distinguishes that user is correct, can operate by drive motors A6, motor A6 controls clutch A and closes, now rotating handles 24, then handle knob 3 drives 4 rotations that cog, the 4 drive lower gears 5 that cog rotate, then whole gear linkage mechanism rotates, and drive Suo She mechanism inwardly to bounce back, electronic lock is opened.
Control panel is provided with control circuit, and after electronic lock opens the regular hour, motor A6 can start again, and driving clutch mechanism A is separated, even if then act on handle knob 3 this moment, also cannot open electronic lock, and electronic lock closes.
When conventional drive unit breaks down, then only need by stirring change-over switch 27, change the power supply object of power supply into motor B8, user inputs password by control panel, after the instruction such as fingerprint or contactless card is correct, motor B8 just starts and rotates, drive clutch B running closed, now only normal key need be utilized, the article that screwdriver or have is similar to normal key tip insert in lock core knob 7 to rotate and lower gear 5 can be driven to turn right, lower gear 5 drives to cog and 4 to turn right equally, then whole gear linkage mechanism drives Suo She mechanism inwardly to retract, electronic lock is opened.
In like manner, the control circuit of control panel can control motor B8 and again operate, be then released state between clutch B and lock core knob 7, even if insert in lock core knob 7 this moment, electronic lock can not be opened again.The situation that clutch B must drive at motor B8 just can close with lock core knob 7, reverses lock core knob 7 and is opened by electronic lock.Therefore the safety in utilization of electronic lock can be improved.
As shown in Figures 2 and 3, described clutch A includes clutch plectrum A9, on-of pin 16, middle connector A17, described on-of pin 16 is connected between described clutch plectrum A9 and middle connector A17, described middle connector A17 is connected with described 4 conflicts that cog, described middle connector A17 realizes being separated and closing connecting by on-of pin 16 with described handle knob 3, and described motor A6 drives moving up and down of described clutch plectrum 9;
Drive on-of pin 16 to move up when clutch plectrum A9 moves up, described on-of pin 16 connects the connection between described middle connector A17 and handle knob 3, and clutch A is in closure state.
Drive on-of pin 16 to move down when clutch plectrum A9 moves down, described on-of pin 16 disconnects the connection between described middle connector A17 and handle knob 3, and clutch A is in released state.
Concrete, described middle connector A17 is provided with guide-track groove 30, described clutch plectrum A9 is provided with arc-shaped slide rail 32, and described on-of pin 16 is movable to be connected between described guide-track groove 30 and arc-shaped slide rail 32, and described handle knob 3 is provided with the slide block 31 for stirring described on-of pin 16.When clutch plectrum A9 moves near handle knob 3, on-of pin 16 is along the vertically movement of middle connector A17 guide-track groove 30, when on-of pin 16 moves to the top of the guide-track groove 30 of middle connector A17, on-of pin 16 plays the effect that middle connector A17 and handle knob 3 are coupled together, and namely clutch A closes.Now act on handle knob 3, during handle knob 3 drives, connector A17 rotates, and middle connector A17 drives cog 4 rotations and latch bolt to retraction in lock simultaneously, then the 4 drive lower gear Component driver spring bolt mechanisms that cog, to retraction in lock, realize the object of enabling.When on-of pin 16 slides into the other end of middle connector A17, namely on-of pin 16 does not have the effect connecting handle knob 3 and middle connector A17, then handle knob 3 is separated with middle connector A17, even if then how to act on handle knob 3 this moment, handle knob 3 idle running cannot stir middle connector A17, i.e. clutch A process released state, cannot carry out the unlatching of door lock.
Pin on the power output shaft of described motor A6 has installed around spring 14, is arranged with and promotes slide block 15 outside spring 14, promotes slide block 15 and promotes moving up and down of described clutch plectrum A9.
When motor A6 rotates forward, pin on the power output shaft of motor A6 drives spring 14 to rotate, promoting slide block 15 by the pressure of spring 14 drives clutch plectrum A9 to move down, drive on-of pin 16 to move down simultaneously, make handle knob 3 and middle connector A17 realize released state, clutch A is in released state this moment.
When motor A6 reverses, pin on the power output shaft of motor A6 drives spring 14 to rotate, promoting slide block 15 by the pressure of spring 14 drives clutch plectrum A9 to move up, drive on-of pin 16 to move up simultaneously, the state making handle knob 3 and middle connector A17 realize UNICOM to be connected, clutch A is in closure state this moment.
Clutch A structure is simple, and volume is little, and reduce occupying space in lock housing 1, control mode is safe and effective, and rate of breakdown is low.
As shown in Figures 4 and 5, described clutch B comprises clutch plectrum B10 and shifting part 19, pin on the power output shaft of described motor B8 has installed around spring 14, is arranged with and promotes slide block 15 outside spring 14, promotes slide block 15 and promotes moving up and down of described clutch plectrum B10.
When clutch plectrum B10 moves up, shifting part 19 closes with lock core knob 7; Lock core knob 7 can drive lower gear 5 to rotate.Concrete, clutch plectrum B10 is provided with clutch linkage, clutch linkage plays bridge beam action for shifting part 19 and lock core knob 7, conflict between lock core knob 7 with lower gear 5 and connect, drive clutch linkage to move up when clutch plectrum B10 moves up, UNICOM between shifting part 19 and lock core knob 7, now acts on lock core knob 7, lower gear 5 can be driven to rotate, realize the object of unblanking.
When clutch plectrum B10 moves down, shifting part 19 is separated with lock core knob 7, and lock core knob 7 can not drive lower gear 5 to rotate.
When motor B8 rotates forward, pin on the power output shaft of motor B8 drives spring 14 to rotate, promoting slide block 15 by the pressure of spring 14 drives clutch plectrum B10 to move down, drive on-of pin 16 to move down simultaneously, shifting part 19 is separated with lock core knob 7, and clutch B is in released state this moment.
When motor B8 reverses, pin on the power output shaft of motor B8 drives spring 14 to rotate, promoting slide block 15 by the pressure of spring 14 drives clutch plectrum B10 to move up, drive on-of pin 16 to move up simultaneously, shifting part 19 and lock core knob 7 are closed, and clutch B is in closure state this moment.Structure is simple, and volume is little, and reduce occupying space in lock housing 1, control mode is safe and effective, and rate of breakdown is low.
As shown in Figure 1, also comprise safe tongue knob 2 in lock housing 1, safe tongue knob 2 is fixedly connected with safe tongue 11, strengthens the safety of electronic lock further.
embodiment 2
The difference of the present embodiment and embodiment 1 is: as shown in Figure 6, tee junction socket 29 is also comprised in described lock housing 1, one end of tee junction socket 29 is connected with power electric, the energy source of routine work is provided, the other end of tee junction socket 29 is drawn two connecting lines and is electrically connected with motor A6 and motor B8 respectively, be supplied to motor A6 and motor B8 electric energy, 3rd end of tee junction socket 29 is electrically connected with control panel, except electric energy can be provided to control panel, when the electricity of conventional power supply is not enough, electric energy can be provided to A6 and motor B8 by the charging system of control panel, guarantee the normal operation of electronic lock.Tee junction socket 29, as the adapting system of electric power system, by tee junction socket 29 by the connecting line perfection docking between power supply, control panel, motor, avoids the risk that power lug easily gets loose.
The other technologies feature of the present embodiment all adopts the explanation of embodiment 1, does not repeat them here.
embodiment 3
The difference of the present embodiment and embodiment 1 is: as shown in Figure 7, and the outdoor panel 20 of described lock is provided with USB interface 28, and USB interface 28 is electrically connected with the 3rd end of described tee junction socket 29.Also supportingly be provided with hand-held PDA18, in hand-held PDA18, be provided with the circuit control system corresponding with control panel.When electronic lock short of electricity or electricity shortage, can external hand-held PDA18 or charger baby charging, guarantee that power on circuitry available electron control system is unblanked.Hand-held PDA18 is the external piece of electronic lock, a set of stand-by circuit control system is had to be connected with control panel in hand-held PDA18, when the circuit board of control panel breaks down, from the external hand-held PDA18 of USB interface 28, then input the proper password emergent unlocking of unblanking by hand-held PDA18.Improve safety and the convenience of electronic lock use.
Further, pick-proof induction installation and alarm is provided with outside the outdoor panel 20 of described lock.Triggered alarm ring when front wall is pried open by violence, improves the safety pick-proof performance of electronic lock.
Further, the indoor panel 26 of described lock is provided with temperature pick up and alarm.When indoor breaking out of fire, temperature pick up transmission of information to electronic system triggered alarm ring, and transfers lock to normally open automatically, allows door possess and often opens emergency life escaping function.
The control mode of described control panel comprises cipher control, fingerprint controls or respond to the one in controlling or its combination.Control panel is provided with display screen 21, fingerprint region 23, lock core knob interface 25 and password and the district 22 that swipes the card, and by the combination of various aptitude manner, can improve usage safety performance and the convenience of electronic lock.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. the electronic lock of a bi-motor structure, it is characterized in that: comprise lock housing, motor A is provided with in lock housing, motor B, clutch A, clutch B, gear linkage mechanism, spring bolt mechanism, handle knob, lock core knob, power supply, change-over switch and control panel, described power supply respectively with described clutch A, clutch B and control panel electrical connection, described change-over switch is for switching the power supply object of described power supply, described motor A correspondence drives described clutch A, described motor B correspondence drives described clutch B, the power intake of described clutch A is connected with described motor A, the power intake of described clutch B is connected with described motor B, the clutch end of described clutch A is corresponding with described handle knob to be connected, the clutch end of described clutch B is corresponding with described lock core knob to be connected, described gear linkage mechanism and described spring bolt mechanism are connected, described gear linkage mechanism comprises intermeshing cogging and lower gear, the rotation cogged described in described handle knob controls, described lock core knob controls the rotation of described lower gear, described gear linkage mechanism drives the stretching motion of described spring bolt mechanism.
2. the electronic lock of a kind of bi-motor structure according to claim 1, it is characterized in that: described clutch A includes clutch plectrum A, on-of pin, middle connector A, described on-of pin is arranged between described clutch plectrum A and middle connector A movably, described middle connector A with described cog to conflict be connected, described handle knob is connected by on-of pin with described middle connector A, and described motor A drives moving up and down of described clutch plectrum.
3. the electronic lock of a kind of bi-motor structure according to claim 2, it is characterized in that: described middle connector A is provided with guide-track groove, described clutch plectrum A is provided with arc-shaped slide rail, described on-of pin is movable to be connected between described guide-track groove and arc-shaped slide rail, and described handle knob is provided with the slide block for stirring described on-of pin.
4. the electronic lock of a kind of bi-motor structure according to claim 2, it is characterized in that: the power output shaft of described motor A is provided with pin, pin has installed around spring, and spring overcoat is provided with promotion slide block, promotes moving up and down of clutch plectrum A described in slipper push.
5. the electronic lock of a kind of bi-motor structure according to claim 1, it is characterized in that: described clutch B comprises clutch plectrum B and shifting part, the power output shaft of described motor B is provided with pin, pin has installed around spring, spring overcoat is provided with promotion slide block, promotes moving up and down of clutch plectrum B described in slipper push;
When clutch plectrum B moves up, shifting part and lock core knob close;
When clutch plectrum B moves down, shifting part is separated with lock core knob.
6. the electronic lock of a kind of bi-motor structure according to claim 1, it is characterized in that: in described lock housing, be provided with tee junction socket, one end of tee junction socket is connected with power electric, the other end of tee junction socket is electrically connected with motor A and motor B respectively, and the 3rd end of tee junction socket is electrically connected with control panel.
7. the electronic lock of a kind of bi-motor structure according to claim 6, it is characterized in that: described electronic lock is also provided with indoor panel and outdoor panel, described outdoor panel is provided with USB interface, and USB interface is electrically connected with the 3rd end of described tee junction socket.
8. the electronic lock of a kind of bi-motor structure according to claim 7, is characterized in that: described electronic lock is also supporting is provided with hand-held PDA, is provided with the circuit control system corresponding with control panel in hand-held PDA.
9. the electronic lock of a kind of bi-motor structure according to claim 7, is characterized in that: described outdoor panel is provided with the combination of one or more in pick-proof induction installation, Smoke Sensor, temperature pick up, alarm.
10. the electronic lock of a kind of bi-motor structure according to claim 1, is characterized in that: described control panel is provided with display screen, fingerprint region and password and the district that swipes the card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775962.XU CN204343822U (en) | 2014-12-11 | 2014-12-11 | A kind of electronic lock of bi-motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775962.XU CN204343822U (en) | 2014-12-11 | 2014-12-11 | A kind of electronic lock of bi-motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204343822U true CN204343822U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420775962.XU Active CN204343822U (en) | 2014-12-11 | 2014-12-11 | A kind of electronic lock of bi-motor structure |
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| CN (1) | CN204343822U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481280A (en) * | 2014-12-11 | 2015-04-01 | 东莞市德曼木业有限公司 | Electronic lock with double-motor structure |
| CN105649427A (en) * | 2016-02-25 | 2016-06-08 | 浙江王力门业有限公司 | Mechanical door lock |
| CN109356465A (en) * | 2018-08-24 | 2019-02-19 | 永康市易捷特电子科技有限公司 | A kind of intelligent anti-theft lock |
| CN111911002A (en) * | 2020-06-15 | 2020-11-10 | 宁波大学 | Dual-motor dual-system intelligent door lock |
-
2014
- 2014-12-11 CN CN201420775962.XU patent/CN204343822U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481280A (en) * | 2014-12-11 | 2015-04-01 | 东莞市德曼木业有限公司 | Electronic lock with double-motor structure |
| CN105649427A (en) * | 2016-02-25 | 2016-06-08 | 浙江王力门业有限公司 | Mechanical door lock |
| CN105649427B (en) * | 2016-02-25 | 2018-08-17 | 王力安防科技股份有限公司 | Mechanical door lock |
| CN109356465A (en) * | 2018-08-24 | 2019-02-19 | 永康市易捷特电子科技有限公司 | A kind of intelligent anti-theft lock |
| CN111911002A (en) * | 2020-06-15 | 2020-11-10 | 宁波大学 | Dual-motor dual-system intelligent door lock |
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Effective date of registration: 20160624 Address after: 523000 No. 32, Dong Xin Road, first industry zone, Dongguan village, Qiaotou town, Guangdong, China Patentee after: GUANGDONG DERUI INTELLIGENT TECHNOLOGY CO., LTD. Address before: 523525, No. 13, Dong Xin Road, the first industrial zone, continents, Dongguan, Guangdong Patentee before: Dongguan Derman Timber Co., Ltd. |