CN110318588B - Automatic reset passive rotary tongue lock - Google Patents
Automatic reset passive rotary tongue lock Download PDFInfo
- Publication number
- CN110318588B CN110318588B CN201910515059.7A CN201910515059A CN110318588B CN 110318588 B CN110318588 B CN 110318588B CN 201910515059 A CN201910515059 A CN 201910515059A CN 110318588 B CN110318588 B CN 110318588B
- Authority
- CN
- China
- Prior art keywords
- lock
- cam
- key
- rotating sleeve
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0024—Cams
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an automatic reset passive rotary tongue lock, which consists of a lock body and a key, wherein the key can be inserted into a lock hole of the lock body. The lock body comprises a lock shell, a rotating sleeve, a lock cover, a reset spring, a pin, a lock body PCB, a motor, a cam, a reset push block and two lock contacts, wherein the rotating sleeve is arranged in the lock shell, and the lock body PCB, the motor, the cam and the like are arranged in a rotating sleeve inner cavity formed by the lock cover and the rotating sleeve.
Description
Technical Field
The invention relates to a lockset, in particular to an automatic reset passive rotary tongue lock.
Background
Along with the improvement of economic level, electronic locks are widely popularized and used in families, hotels, enterprises, public places and other places. The passive lock is widely applied, and the technical level of the passive lock is mature. However, the passive lock has the following defects: (1) the existing passive lock is inconvenient to lock; (2) The existing passive lock has large volume, high power consumption and high requirements on motor performance; (3) the existing passive lock needs to be reset by powering on the motor; (4) The conventional passive lock has the disadvantages of complex structure, high cost and high performance requirements on various parts.
Disclosure of Invention
The invention aims to provide an automatic reset passive rotary tongue lock which is simple in structure and good in safety.
In order to achieve the above object, the technical solution of the present invention is:
the invention relates to an automatic reset passive rotary tongue lock, which consists of a lock body and a key, wherein the key can be inserted into a lock hole of the lock body;
the lock body comprises a lock shell, a rotating sleeve, a lock cover, a reset spring, a pin, a lock body PCB, a motor, a cam, a reset push block, steel balls, two lock contacts and a grounding; the lock cover is buckled on the rotating sleeve, a rotating sleeve inner cavity is formed between the lock cover and the rotating sleeve, the rotating sleeve buckled together with the lock cover is rotatably sleeved in the lock shell, and the outer end of the rotating sleeve is provided with two conductive holes; the cam is fixedly sleeved on an output shaft of the motor, the motor is fixedly sleeved in a rotating sleeve inner cavity, two lock upper contacts are movably sleeved in two conductive holes of the rotating sleeve, the outer ends of the lock upper contacts are opposite to key holes on a lock shell, the inner ends of the lock upper contacts are electrically connected with the motor, a reset push block is movably sleeved in the rotating sleeve inner cavity and can longitudinally move back and forth, the outer end face of the reset push block is opposite to the key holes on the lock shell, the inner end of the reset push block is movably sleeved with the cam, a reset spring is arranged between the reset push block and the inner cavity wall of the rotating sleeve, the upper part of a pin is transversely movably sleeved on a lock cover, the lower end of the pin abuts against the cam, the pin spring is sleeved on the pin, and the two ends of the pin spring respectively abut against the lock cover and the cam; the steel ball is movably sleeved in the inner cavity of the rotating sleeve, the steel ball is positioned on the side wall of the key hole of the rotating sleeve, the lock body PCB and the ground are both arranged in the inner cavity of the rotating sleeve, the lock body PCB is electrically connected with the motor and the upper lock contact, and the ground is contacted with the reset push block.
The cam is provided with a cam body, a cam clamping block, a cam limiting block, a cam inclined plane, a cam cylindrical surface and a cam circular arc groove; the cam body is characterized in that the outer end of the cam body is provided with an outwards extending cam limiting block, the outer wall of the cam body is provided with a cam arc groove, the side wall of the cam body is provided with an outwards extending cam clamping block, the inner end of the cam body is a cam inclined surface, and a cam cylindrical surface is inwards convexly arranged on the cam inclined surface.
The reset pushing block is an L-shaped member, an arc sleeve is arranged on the inner side wall of the vertical section of the L-shaped member, the end face of the arc sleeve is an inclined plane, and the end face of the arc sleeve is matched with the cam cylindrical surface of the cam.
The invention also comprises a fixing piece, a tongue piece and a tongue piece nut; the fixing piece is sleeved in the inner cavity of the rotating sleeve, and the fixing piece is movably sleeved at the outer end of the pin; the tongue piece is fixed and sleeved at the inner end of the rotating sleeve through a tongue piece nut.
The key comprises a key shell, a key head, a guide plate, a thimble, a grounding spring, a battery, a grounding spring piece, an electrode spring piece and a key PCB; the front end of the key head is provided with a steel ball groove which can enable steel balls in the lock body to be clamped in, the guide plate is movably sleeved in the key head, the thimble is movably arranged in the guide hole of the key head in a penetrating mode, the grounding spring is sleeved on the thimble, two ends of the grounding spring respectively lean against the flange of the thimble and the key shell to form a spring force for pushing the thimble outwards, the battery is arranged in the key shell, the grounding spring and the electrode spring are arranged on the inner cavity wall of the key shell, and the grounding spring and the electrode spring are respectively contacted with two electrodes of the battery and are electrically connected with the key PCB and the two thimbles through wires.
After the scheme is adopted, the lock body comprises a lock shell, a rotating sleeve, a lock cover, a reset spring, a pin, a lock body PCB, a motor, a cam, a reset push block, steel balls, two lock contacts and a grounding; the rotating sleeve is arranged in the lock shell, and the lock body PCB, the motor, the cam and the like are arranged in a rotating sleeve inner cavity formed by the lock cover and the rotating sleeve, so that the rotating sleeve has the advantages of small volume, simple structure and low power consumption of the motor.
The invention will be further described with reference to the drawings and the specific examples.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an exploded perspective view of the lock body of the present invention;
FIG. 3 is a cross-sectional view of the present invention in a locked state;
FIG. 4 is a side view of the present invention in a locked state;
FIG. 5 is a cross-sectional view of the invention in an unlocked state;
FIG. 6 is a side view of the invention in an unlocked state;
FIG. 7 is an isometric view of a reset pusher of the present invention;
FIG. 8 is an isometric view of a cam of the present invention;
fig. 9 is an exploded perspective view of the key of the present invention.
Detailed Description
As shown in figure 1, the invention is an automatic reset passive tumbler lock, which consists of a lock body 1 and a key 2. The key 2 can be inserted into the lock hole of the lock body 1.
As shown in fig. 2-6, the lock body 1 includes a lock case 11, a rotor 12, a lock cover 13, a return spring 14, a pin spring 15, a pin 16, a return push block 17, a motor 18, a cam 19, a lock body PCB110, a fixing piece 111, a steel ball 112, two lock contacts 113, a ground 114, a tongue piece 115, and a tongue piece nut 116.
The lock cover 13 is buckled on the rotary sleeve 12, a rotary sleeve inner cavity is formed between the lock cover 13 and the rotary sleeve 12, the rotary sleeve 12 buckled together and the lock cover 13 are rotatably sleeved in the lock shell 11, and two conductive holes 121 are formed at the outer end of the rotary sleeve 12; the cam 19 is fixedly sleeved on the output shaft of the motor 18, the motor 18 is fixedly sleeved in the inner cavity of the rotating sleeve, two lock upper contacts 113 are movably sleeved in two conductive holes 121 of the rotating sleeve 12, the outer ends of the lock upper contacts 113 are opposite to key holes on the lock shell 11, the inner ends of the lock upper contacts 113 are electrically connected with the motor 18, the reset push block 17 is movably sleeved in the inner cavity of the rotating sleeve and can longitudinally move back and forth, the outer end surface of the reset push block 17 is opposite to the key holes on the lock shell 11, the inner end of the reset push block 17 is movably sleeved with the cam 19, the reset spring 14 is arranged between the reset push block 17 and the inner cavity wall of the rotating sleeve, the upper part of the pin 16 is transversely movably sleeved on the lock cover 13, the lower end of the pin 16 is abutted against the cam 19, the pin spring 15 is sleeved on the pin 16, and two ends of the pin spring 15 respectively prop against the lock cover 13 and the cam 19; the steel ball 112 is movably sleeved in the inner cavity of the rotating sleeve, the steel ball 112 is positioned on the side wall of the key hole of the rotating sleeve 12, the lock body PCB110 and the ground 114 are both arranged in the inner cavity of the rotating sleeve, the lock body PCB110 is electrically connected with the motor 18 and the lock upper contact 113, and the ground 114 is in collision with the reset push block 17. The fixed sheet 111 is sleeved in the inner cavity of the rotating sleeve, and the fixed sheet 111 is movably sleeved at the outer end of the pin 16; the tongue 115 is fixedly sleeved on the inner end of the rotor sleeve 12 through a tongue nut 116.
It should be noted that: the grounding 114 may be implemented in various ways, for example, by allowing the key 2 to be inserted into a circuit with the lock body PCB110, for example, by replacing a circuit board with a circuit board connected to the lock case 11, the lock case 11 may be contacted with the key 2, or the reset push block 17 may be configured with a slope, or it may be contacted with the grounding 114 only when the key 2 is inserted into the circuit, and not necessarily all the time.
As shown in fig. 8, the cam 19 includes a cam body 191, a cam block 192, a cam stopper 193, a cam inclined surface 194, a cam cylindrical surface 195, and a cam circular arc groove 196. The outer end of the cam body 191 is provided with an outwardly extending cam limiting block 193, the outer wall of the cam body 191 is provided with a cam circular arc groove 196, the side wall of the cam body 191 is provided with an outwardly extending cam clamping block 192, the inner end of the cam body 191 is a cam inclined surface 194, and a cam cylindrical surface 195 is inwardly and convexly arranged on the cam inclined surface 194.
As shown in fig. 7, the reset pushing block 17 is an L-shaped member, an arc sleeve 172 is disposed on the inner side wall of the vertical section 171 of the L-shaped member, the arc sleeve end surface 172 is an inclined surface 173, and the arc sleeve end surface 172 cooperates with the cam cylindrical surface 195 of the cam 19 to form two states of sleeving and releasing.
As shown in fig. 9, the key 2 includes a key case 21, a key head 22, a guide piece 23, a thimble 24, a grounding spring 25, a battery 26, a grounding spring piece 27, an electrode spring piece 28, and a key PCB29. The key head 22 is fixed at the front end of the key shell 21, the front end of the key head 22 is provided with a steel ball groove 221 which can clamp the steel ball 112 in the lock body 1, the guide piece 23 is movably sleeved in the key head 22, the thimble 24 is movably arranged in a guide hole of the key head 22, the grounding spring 25 is sleeved on the thimble 24, two ends of the grounding spring 25 respectively lean against the flange 241 of the thimble 24 and the key shell 21 to form a spring force for pushing the thimble 24 outwards, the battery 26 is arranged in the key shell 21, the grounding spring 27 and the electrode spring 28 are both arranged on the inner cavity wall of the key shell 21, and the grounding spring 27 and the electrode spring 28 are respectively contacted with two electrodes of the battery 26 and are electrically connected with the key PCB29 and the two thimbles 24 through wires.
The key case 21 is composed of a key top cover 211, a key bottom cover 212 and a cover main body 213; the key top cover 211 and the key bottom cover 212 are respectively fixed to the top and bottom surfaces of the cover body 213.
The working principle of the invention is as follows:
When the key 2 is inserted into the lock body 1, the key head 22 pushes the reset push block 17, the connection of the grounding end is completed, the grounding 114 and the reset push block 17 always keep in touch, when the reset push block 17 is pushed in place, the thimble 24 on the key 2 is in touch with the lock body contact 113, when the reset push block 17 is in place, the separation of the cam inclined surface 194 on the cam 19 by the arc sleeve end surface 172 on the reset push block 17 leads to the limit failure, the motor 18 is driven after the power supply and the signal transmission of the key 2 to the lock body 1 are completed, the motor 18 drives the cam 19 to rotate for 90 degrees, the cam limit block 193 is limited by the limit surface 123 on the rotating sleeve 12 and leads the cam arc groove 196 on the cam 19 to lead to the upper pin 16, so that the limit failure of the pin 10 is caused, the rotating key 2 drives the rotating sleeve 12 at this moment, the pin 16 has free displacement to the axis due to the limit failure of the cam 19, and when the rotating sleeve 12 rotates, the head of the pin 16 and the arc groove on the inner wall 11 relatively slide to lead to the pin 16 to move to the axis, thus losing the limit of the rotation of the lock interior; when the key 2 is inserted, the steel balls 112 slide into the steel ball grooves 221 on the key head 22, and after the key 2 rotates, the steel balls 112 are limited in the steel ball grooves 221, so that the key 2 cannot be pulled out; the key 2 is turned back to the initial position, the pin 16 is sprung up and reset by the pin spring 15, meanwhile, the steel ball 112 is limited to be invalid, the key 2 is pulled out, the reset push block 17 is reset by the reset spring 14 in the process of pulling out the key 2, the inclined surface 173 structure on the reset push block 17 is matched with the cam inclined surface 194 structure on the cam 19 to reset the cam 19, the limit of the pin 16 is effective after the cam 19 is reset, and the lockset is locked; the circular arc sleeve 172 on the reset push block 17 is sleeved with the cam cylindrical surface 195 on the cam 19 to ensure that the center of the inclined surface 173 of the reset push block 17 coincides with the axis of the cam 19; the superposition of the inner end surface of the cam 19 and the vertical section 171 of the reset push block 17 ensures that the cam 19 cannot tilt due to the matching relation between the elastic force of the reset spring 14 and the inclined plane 173; the cam clamping block 192 is matched with the limiting surface 123 of the rotating sleeve 12, so that unlocking can not be realized due to error in steering of the motor 18 is prevented; the sleeve surface 122 cooperates with the circumferential surface of the motor 4 to prevent the pin 16 from bearing against the cam 19 and the cam 19 from displacing to cause a false lock when the sleeve 12 is torqued in violence.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, i.e., the equivalent changes and modifications to the invention as described in the claims and specification should be considered as falling within the scope of the invention.
Claims (4)
1. An automatic reset passive tongue lock, characterized in that: the lock consists of a lock body and a key, wherein the key can be inserted into a lock hole of the lock body;
the lock body comprises a lock shell, a rotating sleeve, a lock cover, a reset spring, a pin, a lock body PCB, a motor, a cam, a reset push block and two lock contacts; the lock cover is buckled on the rotating sleeve, a rotating sleeve inner cavity is formed between the lock cover and the rotating sleeve, the rotating sleeve buckled together with the lock cover is rotatably sleeved in the lock shell, and the outer end of the rotating sleeve is provided with two conductive holes; the cam is fixedly sleeved on an output shaft of the motor, the motor is fixedly sleeved in a rotating sleeve inner cavity, two lock upper contacts are movably sleeved in two conductive holes of the rotating sleeve, the outer ends of the lock upper contacts are opposite to key holes on a lock shell, the inner ends of the lock upper contacts are electrically connected with the motor, a reset push block is movably sleeved in the rotating sleeve inner cavity and can longitudinally move back and forth, the outer end face of the reset push block is opposite to the key holes on the lock shell, the inner end of the reset push block is movably sleeved with the cam, a reset spring is arranged between the reset push block and the inner cavity wall of the rotating sleeve, the upper part of a pin is transversely movably sleeved on a lock cover, the lower end of the pin abuts against the cam, the pin spring is sleeved on the pin, and the two ends of the pin spring respectively abut against the lock cover and the cam; the lock body PCB is arranged in the inner cavity of the rotating sleeve and is electrically connected with the motor and the upper lock contact; the cam is provided with a cam body, a cam clamping block, a cam limiting block, a cam inclined plane, a cam cylindrical surface and a cam circular arc groove; the outer end of the cam body is provided with a cam limiting block extending outwards, the outer wall of the cam body is provided with a cam arc groove, the side wall of the cam body is provided with a cam clamping block extending outwards, the inner end of the cam body is a cam inclined surface, and a cam cylindrical surface is arranged on the cam inclined surface in an inward protruding mode; the reset pushing block is an L-shaped member, an arc sleeve is arranged on the inner side wall of the vertical section of the L-shaped member, the end face of the arc sleeve is an inclined plane, and the end face of the arc sleeve is matched with the cam cylindrical surface of the cam.
2. The self-resetting passive deadbolt lock of claim 1, wherein: the device also comprises steel balls and grounding; the steel ball is movably sleeved in the inner cavity of the rotating sleeve, the steel ball is positioned on the side wall of the key hole of the rotating sleeve, and the steel ball is grounded and installed in the inner cavity of the rotating sleeve and is grounded to collide with the reset push block.
3. The self-resetting passive deadbolt lock of claim 1, wherein: the device also comprises a fixing piece, a tongue piece and a tongue piece nut; the fixing piece is sleeved in the inner cavity of the rotating sleeve, and the fixing piece is movably sleeved at the outer end of the pin; the tongue piece is fixed and sleeved at the inner end of the rotating sleeve through a tongue piece nut.
4. The self-resetting passive deadbolt lock of claim 1, wherein: the key comprises a key shell, a key head, a guide plate, a thimble, a grounding spring, a battery, a grounding spring piece, an electrode spring piece and a key PCB; the front end of the key head is provided with a steel ball groove which can enable steel balls in the lock body to be clamped in, the guide plate is movably sleeved in the key head, the thimble is movably arranged in the guide hole of the key head in a penetrating mode, the grounding spring is sleeved on the thimble, two ends of the grounding spring respectively lean against the flange of the thimble and the key shell to form a spring force for pushing the thimble outwards, the battery is arranged in the key shell, the grounding spring and the electrode spring are arranged on the inner cavity wall of the key shell, and the grounding spring and the electrode spring are respectively contacted with two electrodes of the battery and are electrically connected with the key PCB and the two thimbles through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515059.7A CN110318588B (en) | 2019-06-14 | 2019-06-14 | Automatic reset passive rotary tongue lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515059.7A CN110318588B (en) | 2019-06-14 | 2019-06-14 | Automatic reset passive rotary tongue lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318588A CN110318588A (en) | 2019-10-11 |
| CN110318588B true CN110318588B (en) | 2024-07-19 |
Family
ID=68119614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515059.7A Active CN110318588B (en) | 2019-06-14 | 2019-06-14 | Automatic reset passive rotary tongue lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318588B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405160A (en) * | 2022-08-25 | 2022-11-29 | 康威通信技术股份有限公司 | Identity identification coded lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196366A (en) * | 2014-08-12 | 2014-12-10 | 胡德精 | Passive electronic lock cylinder with automatic locking function and key thereof |
| CN107060520A (en) * | 2017-03-19 | 2017-08-18 | 青岛伊美特电子有限公司 | One kind can self-locking passive smart lock |
| CN210636937U (en) * | 2019-06-14 | 2020-05-29 | 厦门美科安防科技有限公司 | Automatic reset passive cam lock |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591994B (en) * | 2008-05-28 | 2012-06-27 | 罗士夫 | Micro power-consumption passive electronic locking head |
| CN103670020B (en) * | 2013-12-02 | 2015-10-28 | 江门市联创发展有限公司 | A kind of embedded intelligence marble bicycle lock |
| CN104358473B (en) * | 2014-11-10 | 2017-06-23 | 珠海汇金科技股份有限公司 | A kind of electronic lock |
| CN105545115B (en) * | 2016-02-19 | 2018-10-26 | 杭州咸亨国际科研中心有限公司 | Can automatically reset lock core |
| CN106836991B (en) * | 2017-02-18 | 2022-04-12 | 兰溪市智捷智能锁具有限公司 | Intelligent double-control electromechanical lock cylinder and key and application thereof |
| CN206785137U (en) * | 2017-03-19 | 2017-12-22 | 青岛伊美特电子有限公司 | A kind of passive lock key |
| CN207017802U (en) * | 2017-05-27 | 2018-02-16 | 上海铁路局 | Passive intelligent lock core |
| CN207315031U (en) * | 2017-09-22 | 2018-05-04 | 徐州易索电子科技有限公司 | A kind of passive idle-run lock pin |
| CN110863713A (en) * | 2019-12-10 | 2020-03-06 | 珠海唯码科技有限公司 | Passive intelligent lock core and intelligent lock |
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2019
- 2019-06-14 CN CN201910515059.7A patent/CN110318588B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196366A (en) * | 2014-08-12 | 2014-12-10 | 胡德精 | Passive electronic lock cylinder with automatic locking function and key thereof |
| CN107060520A (en) * | 2017-03-19 | 2017-08-18 | 青岛伊美特电子有限公司 | One kind can self-locking passive smart lock |
| CN210636937U (en) * | 2019-06-14 | 2020-05-29 | 厦门美科安防科技有限公司 | Automatic reset passive cam lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110318588A (en) | 2019-10-11 |
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Address after: 361000 No.29, houshantou Road, Shenqing Industrial Zone, Guankou Town, Jimei District, Xiamen City, Fujian Province Applicant after: Xiamen Meike Security Technology Co.,Ltd. Address before: 361000 No.29, houshantou Road, Shenqing Industrial Zone, Guankou Town, Jimei District, Xiamen City, Fujian Province Applicant before: XIAMEN MAKE SECURITY TECHNOLOGY Co.,Ltd. |
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