CN111519991A - Shockproof electromagnetic lock device - Google Patents
Shockproof electromagnetic lock device Download PDFInfo
- Publication number
- CN111519991A CN111519991A CN201910104743.6A CN201910104743A CN111519991A CN 111519991 A CN111519991 A CN 111519991A CN 201910104743 A CN201910104743 A CN 201910104743A CN 111519991 A CN111519991 A CN 111519991A
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- China
- Prior art keywords
- assembly
- stop
- component
- lock
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- 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
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
- E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
- E05B17/203—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt
- E05B17/2038—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt moving rectilinearly
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
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- 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
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/023—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving pivotally or rotatively
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5246—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement rotating
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
-
- 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
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnets (AREA)
Abstract
The invention provides a shockproof electromagnetic lock device which comprises a lock cover assembly, wherein an electromagnet assembly, a lock hook, a clamping hook assembly, a stop assembly and an emergency rod are arranged in the lock cover assembly, the clamping hook assembly can rotate around a shaft fixed on the lock cover assembly and can be clamped with or separated from the lock hook, the stop assembly can move along a straight line, one end of the stop assembly is clamped with the clamping hook assembly when the lock is closed and can be stopped, the stop assembly is separated from the clamping hook assembly when the lock is unlocked, the other end of the stop assembly can be clamped with or separated from the electromagnet assembly, and the emergency rod penetrates through the electromagnet assembly and is used for manually unlocking when the electromagnet assembly does not act. The shockproof electromagnetic lock device is stable in structure, has high shockproof property, can accurately feed back a state signal of the lock, and can be unlocked in an emergency.
Description
Technical Field
The invention relates to the technical field of storage cabinets, in particular to a shockproof electromagnetic lock device.
Background
At present, in people's daily life, unmanned locker is more and more common, some put even on the vehicle that removes, for example remove the miniature vending machine on vending machine or the tourism big bus, generally be provided with the electromagnetic lock on these lockers, the performance is more reliable when static, can produce jolting vibrations when these lockers in handling, current electromagnetic lock, shell and inner structure design are not very reasonable, intensity is low, poor stability, trip connection during the handling breaks away, will unblank automatically even damage.
Disclosure of Invention
In view of the above, the present invention is directed to a shockproof electromagnetic lock device, so as to solve the problems of low strength, poor stability, easy jamming and damage of the conventional electromagnetic lock during transportation.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a type electromagnetic lock device takes precautions against earthquakes, includes the locking closure subassembly, the inside electro-magnet subassembly that is provided with of locking closure subassembly, lock hook and trip subassembly still are provided with locking subassembly, emergency rod, the trip subassembly can rotate around being fixed in the axle on the locking closure subassembly to can with trip joint or separation, the locking subassembly can follow linear motion, one end and trip subassembly joint when closing the lock can make its locking, locking subassembly and trip subassembly throw off when unblanking, the other end of locking subassembly can with electro-magnet subassembly joint or separation, emergency rod wear to locate in the electro-magnet subassembly for the electro-magnet subassembly does not have the manual unblanking when moving.
Furthermore, the locking subassembly include the stop block, the stop block on be provided with glide plane and locking surface, glide plane and stop surface become the contained angle setting, the glide plane supply the trip subassembly to slide along it when rotating to promote stop block linear motion, the locking surface can be to its locking when contacting with the trip subassembly.
Furthermore, a clamping groove is formed in the side face of the stop block and used for being clamped with the electromagnet assembly.
Furthermore, the stopping assembly further comprises a stopping spring, one end of the stopping spring is connected with the stopping block, and the other end of the stopping spring is abutted against the side wall of the lock cover assembly, so that the stopping block can move linearly under the elastic force.
Furthermore, the emergency rod is bent, one end of the emergency rod penetrates into the electromagnet assembly, and the other end of the emergency rod penetrates through the side wall of the locking cover assembly and extends out of the locking cover assembly.
The locking cover assembly comprises an upper locking cover and a lower locking cover, the upper locking cover is buckled on the lower locking cover, and a first fixing column, a second fixing column, a stop assembly groove, an electromagnet assembly groove and an emergency rod groove are arranged on the lower locking cover and used for installing corresponding assemblies.
Further, last locking closure and lower locking closure be the integrated into one piece structure of moulding plastics, first fixed column second fixed column, locking component groove, electro-magnet component groove, emergent rod groove direct injection moulding, stability is good for strengthen the shock resistance.
Furthermore, the trip assembly is arranged on the first fixing column and can rotate around the first fixing column.
Further, the lower lock cover further comprises a sliding groove, the sliding groove is communicated with the stop component groove and the electromagnet component groove, and the electromagnet component is clamped with the clamping groove of the stop component through the sliding groove and can move linearly along the sliding groove.
Furthermore, shockproof type electromagnetic lock device still include micro-gap switch, micro-gap switch set up on the second fixed column, the trip subassembly rotates and can trigger micro-gap switch, can accurate transmission lock's state signal.
Compared with the prior art, the shockproof electromagnetic lock device has the following advantages:
(1) according to the shockproof electromagnetic lock device, the stop component can move along a straight line, one end of the stop component is clamped with the clamping hook component when the lock is closed, the stop component can stop, the stop component rebounds when the lock is opened and is separated from the clamping hook component, and the electromagnetic lock has high shockproof performance due to the adoption of a bolt type structure and is suitable for movable lockers such as movable sales counter or miniature sales counter of tourist bus;
(2) according to the shockproof electromagnetic lock device, the upper lock cover and the lower lock cover are integrally formed through injection molding, certain elasticity is achieved, the lock body can effectively absorb shock during carrying, the internal structure is protected, the first fixing column and the second fixing column, the stop component groove, the electromagnet component groove and the emergency rod groove are directly formed through injection molding, and the stability of components is further improved;
(3) according to the shockproof electromagnetic lock device, the microswitch is directly connected with the second clamping hook, so that a lock state signal can be accurately fed back.
(4) According to the shockproof electromagnetic lock device, the emergency rod can be unlocked in an emergency, and damage to the cabinet body and the lock is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an assembly diagram of a shockproof electromagnetic lock in a locked state according to an embodiment of the present invention;
FIG. 2 is a schematic front view of an internal structure of a shockproof electromagnetic lock in a locked state according to an embodiment of the present invention;
FIG. 3 is a front view of the internal structure of the shockproof electromagnetic lock in an unlocked state according to the embodiment of the present invention;
FIG. 4 is a schematic view of a stop assembly according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an electromagnet assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an emergency pole according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a locking cover assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a hook assembly according to an embodiment of the invention.
Description of reference numerals:
1-a locking cap assembly, 1 a-a lower locking cap, 1 b-an upper locking cap, 1 c-a first fixed post, 1 d-a second fixed post, 1 e-a stop assembly slot, 1 f-an electromagnet assembly slot, 1 g-a sliding slot, 1 h-an emergency lever slot, 1 k-an emergency hole, 2-a snap assembly, 3-a snap, 3 a-a torsion spring, 3 b-a snap connection hole, 3 c-a snap slot, 3 d-a stop end, 3 e-a microswitch contact end, 4-a stop block, 4 a-a stop spring, 4 b-a sliding surface, 4 c-a stop surface, 4 e-a snap slot, 4 f-a stop spring connection end, 5-a stop assembly, 6-an electromagnet assembly, 6a connection rod, 6 b-an emergency lever connection hole, 7-lock hook, 7 a-cabinet door, 8-emergency rod, 8 a-connecting end and 8 b-toggle end.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The descriptions in this document referring to "first", "second", "upper", "lower", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," "upper," "lower," may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it is necessary that a person skilled in the art can realize the combination, and the technical solutions in the embodiments are within the protection scope of the present invention.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-3, a shockproof electromagnetic lock device, including the locking closure assembly 1, the inside electro-magnet assembly 6 that is provided with of locking closure assembly 1, trip 7 and trip assembly 2, still be provided with locking assembly 5, emergency rod 8, trip assembly 2 can rotate around the axle that is fixed in on the locking closure assembly 1, and can joint or separate with trip 7, locking assembly 5 can be along linear motion, one end and trip assembly 2 joint when closing the lock, can make its locking, locking assembly 5 and trip assembly 2 throw off when unblanking, the other end of locking assembly 5 can joint or separate with electro-magnet assembly 6, emergency rod 8 wears to locate in electro-magnet assembly 6, manual unblanking when being used for electro-magnet assembly 6 does not have the action.
As shown in fig. 4, further, the stopping assembly 5 includes a stopping block 4, the stopping block 4 is provided with a sliding surface 4b and a stopping surface 4c, the sliding surface 4b and the stopping surface 4c are arranged at an included angle, when the locking is closed, the hook assembly 2 slides along the sliding surface 4b when rotating, and pushes the stopping block 4 to move linearly, and when the hook assembly 2 rotates across the sliding surface and contacts with the stopping surface 4c, the rotation is stopped.
Furthermore, a clamping groove 4e is formed in the side face of the stop block 4 and used for being clamped with the electromagnet assembly 6.
Furthermore, the stopping assembly 5 further comprises a stopping spring 4a, one end of the stopping spring 4a is connected with the stopping spring connecting end 4f, the other end of the stopping spring 4a abuts against the side wall of the lock cover assembly 1, the stopping block 4 moves linearly to compress or stretch the stopping spring 4a, and the elastic force of the stopping spring 4a can enable the stopping block 4 to move linearly.
As shown in fig. 2, 5 and 6, preferably, the emergency lever 8 is bent, the connecting end 8a penetrates into the emergency lever connecting hole 6b of the electromagnet assembly 6, and the other end penetrates through the side wall of the lock cover assembly 1 and extends out of the lock cover assembly 1.
As shown in fig. 1 and 7, the locking cover assembly 1 includes an upper locking cover 1b and a lower locking cover 1a, the upper locking cover 1b is fastened on the lower locking cover 1a, the lower locking cover 1a is provided with a first fixing column 1c, a second fixing column 1d, a stop assembly groove 1e, an electromagnet assembly groove 1f and an emergency rod groove 1h, the hook assembly 2 is mounted on the first fixing column 1c and can rotate around the first fixing column 1c, the stop assembly 5 is mounted in the stop assembly groove 1e and can move linearly along the stop assembly groove 1e, the electromagnet assembly 6 is mounted in the electromagnet assembly groove 1f, and the emergency rod 8 is mounted in the emergency rod groove 1h and passes through the emergency hole 1 k.
Furthermore, the upper locking cover 1b and the lower locking cover 1a are integrally formed by injection molding, and meanwhile, the first fixing column 1c, the second fixing column 1d, the stop component groove 1e, the electromagnet component groove 1f and the emergency rod groove 1h are directly formed by injection molding.
Further, lower locking closure 1a still includes sliding tray 1g, and sliding tray 1g communicates with each other with locking subassembly groove 1e and electro-magnet subassembly groove 1f, and connecting rod 6a of electro-magnet subassembly 6 passes through sliding tray 1g, with the draw-in groove 4e joint of locking subassembly 5 to can follow sliding tray 1g rectilinear movement.
As shown in fig. 2 and fig. 3, the embodiment further includes a micro switch 10, the micro switch 10 is disposed on the second fixing column 1d and can be contacted with a micro switch contact end 3e of the hook 3, and the hook 3 rotates to trigger the micro switch 10.
Under the locking state, the clamping groove 3c of the clamping hook 3 is clamped with the locking hook 7, the stopping end 3d of the clamping hook 3 is in contact with the stopping surface 4c on the stopping block 4, the connecting rod 6a of the electromagnet assembly 6 is clamped with the clamping groove 4e through the sliding groove 1g, the stopping spring 4a is in a stretching state, and the electromagnet and the emergency rod are in a resetting state.
After the unlocking instruction is sent, the electromagnet assembly 6 is powered on to drive the connecting rod 6a to move linearly to the right, the connecting rod 6a is separated from the clamping groove 4e, the stop block 4 moves linearly downwards under the action of the elastic force of the stop spring 4a to unlock the clamping hook 3, the clamping hook 3 rotates clockwise under the action of the torsion spring 3a to enable the locking hook 7 to be separated, and the cabinet door 7a is opened.
When the lock is closed, the lock hook 7 pushes the hook groove 3c to enable the hook 3 to rotate along the sliding surface 4b anticlockwise, meanwhile, the stop spring 4a is compressed, when the hook 3 rotates the sliding surface 4b and is about to be in contact with the stop surface 4c, the stop block 4 moves upwards in a straight line under the action of elastic force, when the stop spring 4a is in a stretching state, the stop surface 4c is enabled to be in contact with the stop end 3d of the hook 3 to block the hook 3, at the moment, the electromagnet assembly 6 resets, the connecting rod 6a is clamped into the clamping groove of the stop block 4, and the cabinet door 7a is closed.
During emergency, the poking end 8b of the emergency rod 8 is moved upwards, due to the lever principle, the emergency rod 8 rotates around a fulcrum abutted to the lower lock cover 1a, the connecting end 8a presses the electromagnet assembly 6 rightwards, the electromagnet assembly moves straightly rightwards, the connecting rod 6a is separated from the clamping groove 4e of the stop block 4, the stop block 4 moves straightly downwards under the elastic action of the stop spring 4a, the clamping hook 3 is unlocked, the clamping hook 3 rotates clockwise under the action of the torsion spring 3a, the locking hook 7 is separated, and the cabinet door 7a is opened.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A shockproof electromagnetic lock device comprises a lock cover component (1), an electromagnet component (6), a lock hook (7) and a clamping hook component (2) are arranged in the lock cover component (1), it is characterized in that the device is also provided with a stop component (5) and an emergency rod (8), the trip component (2) can rotate around a shaft fixed on the lock cover component (1), and can be clamped with or separated from the lock hook (7), the stop component (5) can move along a straight line, one end of the stop component is clamped with the clamping hook component (2) when the lock is closed so as to stop the lock, the stop component (5) is separated from the clamping hook component (2) when the lock is unlocked, the other end of the stop component (5) can be clamped or separated with the electromagnet component (6), the emergency rod (8) penetrates through the electromagnet assembly (6) and is used for manually unlocking when the electromagnet assembly (6) does not act.
2. Shockproof electromagnetic lock device according to claim 1, characterized in that the stop assembly (5) comprises a stop block (4), the stop block (4) is provided with a sliding surface (4b) and a stop surface (4c), the sliding surface (4b) and the stop surface (4c) are arranged at an included angle, the sliding surface (4b) is used for the hook assembly (2) to slide along when rotating and pushing the stop block (4) to move linearly, and the stop surface (4c) can stop the hook assembly (2) when contacting the same.
3. Shockproof electromagnetic lock device according to claim 2, characterized in that the side of the stop block (4) is provided with a slot (4e) for engaging with the electromagnet assembly (6).
4. Shockproof electromagnetic lock device according to claim 2, characterized in that the stop assembly (5) further comprises a stop spring (4a), one end of the stop spring (4a) is connected to the stop block (4), and the other end of the stop spring (4a) abuts against the side wall of the lock cover assembly (1), so that the stop block (4) can move linearly under the elastic force.
5. Shockproof electromagnetic lock device according to claim 1, characterized in that the emergency lever (8) is bent, one end of which penetrates into the electromagnet assembly (6) and the other end of which penetrates through the side wall of the locking cover assembly (1) and extends out of the locking cover assembly (1).
6. The shockproof electromagnetic lock device according to claim 1, wherein the locking cover assembly (1) comprises an upper locking cover (1b) and a lower locking cover (1a), the upper locking cover (1b) is fastened on the lower locking cover (1a), and the lower locking cover (1a) is provided with a first fixing column (1c), a second fixing column (1d), a stopping assembly groove (1e), an electromagnet assembly groove (1f) and an emergency lever groove (1 h).
7. The shockproof electromagnetic lock device according to claim 6, wherein the upper lock cover (1b) and the lower lock cover (1a) are integrally formed by injection molding, and the first fixing column (1c), the second fixing column (1d), the stop component groove (1e), the electromagnet component groove (1f) and the emergency lever groove (1h) are directly formed by injection molding.
8. Shockproof electromagnetic lock device according to claim 1 or 7, characterized in that the trip element (2) is mounted on the first stationary post (1c) and can rotate around the first stationary post (1 c).
9. Shockproof electromagnetic lock device according to claim 1 or 7, characterized in that the lower lock cover (1a) further comprises a sliding groove (1g), the sliding groove (1g) is communicated with the stop assembly groove (1e) and the electromagnet assembly groove (1f), and the electromagnet assembly (6) is clamped with the clamping groove (4e) of the stop assembly (5) through the sliding groove (1g) and can move linearly along the sliding groove (1 g).
10. The shockproof electromagnetic lock device according to claim 1, further comprising a micro switch (10), wherein the micro switch (10) is disposed on the second fixing post (1d) and contacts with the hook assembly (2), and the rotation of the hook assembly (2) can trigger the micro switch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104743.6A CN111519991A (en) | 2019-02-01 | 2019-02-01 | Shockproof electromagnetic lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104743.6A CN111519991A (en) | 2019-02-01 | 2019-02-01 | Shockproof electromagnetic lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111519991A true CN111519991A (en) | 2020-08-11 |
Family
ID=71900516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910104743.6A Pending CN111519991A (en) | 2019-02-01 | 2019-02-01 | Shockproof electromagnetic lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111519991A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282525A (en) * | 2020-11-01 | 2021-01-29 | 屈军军 | Electronic mechanical lock device of container truck |
| CN112412184A (en) * | 2020-11-13 | 2021-02-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Lock mechanism |
-
2019
- 2019-02-01 CN CN201910104743.6A patent/CN111519991A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282525A (en) * | 2020-11-01 | 2021-01-29 | 屈军军 | Electronic mechanical lock device of container truck |
| CN112412184A (en) * | 2020-11-13 | 2021-02-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Lock mechanism |
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Effective date of registration: 20200915 Address after: 518109 workshop 501, no.6, donglongxing Science Park, Huaning Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen zhijia'an Technology Co.,Ltd. Address before: 518109 6/F Donglongxing Science Park, 46 Huaning Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN QUANTUM S&T Co.,Ltd. |
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Effective date of registration: 20230331 Address after: 518109 West of Building 502, No. 6, East Longxing Science and Technology Park, Huaning Road, Xinshi Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN QUANTUM S&T Co.,Ltd. Address before: 518109 Room 501, no.6, East Longxing Science Park, Huaning Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Applicant before: Shenzhen zhijia'an Technology Co.,Ltd. |
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