CN110145181B - Lock male plug based on electromagnet - Google Patents
Lock male plug based on electromagnet Download PDFInfo
- Publication number
- CN110145181B CN110145181B CN201910521987.4A CN201910521987A CN110145181B CN 110145181 B CN110145181 B CN 110145181B CN 201910521987 A CN201910521987 A CN 201910521987A CN 110145181 B CN110145181 B CN 110145181B
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- electromagnet
- lock
- sliding
- pin mounting
- bolts
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 16
- 241000950638 Symphysodon discus Species 0.000 claims description 6
- HOQADATXFBOEGG-UHFFFAOYSA-N isofenphos Chemical compound CCOP(=S)(NC(C)C)OC1=CC=CC=C1C(=O)OC(C)C HOQADATXFBOEGG-UHFFFAOYSA-N 0.000 claims description 6
- 210000002105 tongue Anatomy 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001360 synchronised effect 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
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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
- E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
- E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a lock male plug based on an electromagnet, which consists of an upper cover, a bottom cover, an electromagnet switch, two lock bolts, two pins and six electrode connectors, wherein the upper cover is provided with a plurality of lock bolts; the upper cover and the bottom cover are covered to form a lock inner space, the electromagnet switch is arranged in the middle of the lock inner space, the two lock bolts are respectively arranged on the left side and the right side of the lock inner space in a sliding way, the two pins are respectively arranged on the electromagnet part and the armature part of the electromagnet switch in a penetrating way, the pin mounting seats of the two lock bolts are respectively connected with the two ends of the pins on the same side, and the electromagnet part and the armature part are respectively connected with the lock bolts on the same side through the corresponding pins; three electrode connectors are arranged on the outer side faces of the two lock bolts side by side, the upper parts of the electrode connectors are completely attached to the locking heads, and the lower parts of the electrode connectors are completely attached to the outer side faces of the sliding blocks. Compared with the existing similar lockset, the invention has the advantages of high unlocking speed, good synchronism, stable power connection, long service life, small size, strong applicability and the like.
Description
Technical Field
The invention belongs to the field of locks, and particularly relates to a lock male plug based on an electromagnet.
Background
Today, many locks require a function of connecting to a power supply while locking. The lock with opposite lock bolts is an ideal lock capable of realizing the power connection function, the two lock bolts are claw-hook-shaped and are oppositely arranged on the lock shell, and the two hook-shaped lock bolts are driven to move oppositely or relatively through the driving device and the transmission device, so that the lock and the unlock of the lock are realized, and meanwhile, the connection and disconnection of a power supply can be realized. However, most of the existing locks with opposite lock bolts have the defects of large volume, easy abrasion, asynchronous movement of the lock bolts, incapability of automatic locking and the like, so that the problems of short service life, poor use feeling, poor applicability, unstable power connection and the like are caused.
Disclosure of Invention
In order to solve the problems of short service life, poor use feeling, low applicability and the like of the existing lockset with opposite lock bolts, the invention provides a male lockset with the advantages of small volume, synchronous movement of the lock bolts, automatic locking, stable power connection and the like.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
The utility model provides a public plug of tool to lock based on electro-magnet, comprises upper cover, bottom, electro-magnet switch, two spring bolts, two pins and six electrode connectors;
The middle part of the bottom cover is provided with an electromagnet switch placing seat which is convenient for the electromagnet switch to slide left and right, the left side and the right side of the bottom cover are respectively provided with a lock tongue chute used for the two lock tongues to slide left and right, and the left flange and the right flange of the bottom cover are respectively provided with a locking head sliding notch;
The electromagnet switch comprises an electromagnet part and an armature part, one end of the armature part is connected with the electromagnet part through an elastic piece, when the electromagnet part is electrified, the armature part is attached to the electromagnet part under the action of magnetic force of the electromagnet part, and when the electromagnet part is not electrified, the armature part is separated from the electromagnet part under the action of restoring force of the elastic piece; pin mounting holes penetrating through the front end and the rear end of the electromagnet part and the armature part are respectively formed in the electromagnet part and the armature part;
The lock tongue comprises a sliding block, a pin installation seat and a locking head, wherein the pin installation seat is arranged at the upper part of the inner side surface of the sliding block, and the locking head is arranged at the upper part of the outer side surface of the sliding block;
The upper cover and the bottom cover are covered to form a lock inner space, the electromagnet switch is placed in the electromagnet switch placing seat, sliding blocks of the two lock bolts are respectively arranged in the two lock bolt sliding grooves in a sliding mode, the upper parts of the sliding blocks are exposed out of the lock inner space, locking heads of the two lock bolts are exposed out of the lock inner space through locking head sliding gaps on the same side, pin mounting seats of the two lock bolts are respectively arranged in the lock inner space, two pins are respectively arranged in pin mounting holes on the electromagnet part and the armature part, two ends of each pin are respectively exposed out of the pin mounting holes, the pin mounting seats of the two lock bolts are respectively connected with two ends of each pin on the same side, and the electromagnet part and the armature part are respectively connected with the lock bolts on the same side through corresponding pins; three electrode connectors are arranged on the outer side faces of the two lock bolts side by side, the upper parts of the electrode connectors are completely attached to the locking heads, and the lower parts of the electrode connectors are completely attached to the outer side faces of the sliding blocks.
Further, the upper cover is provided with a bulge, and the bulge is used for accommodating the upper half part of the electromagnet switch, so that the thickness of the front cover can be reduced, and the whole size of the lockset is reduced.
Further, the electromagnet part is a ring-shaped electromagnet arranged in the cylindrical shell, the armature part comprises a sliding column and an discus used for attracting the ring-shaped electromagnet, the sliding column is slidably arranged in the ring-shaped electromagnet, the inner side end face of the sliding column is connected with the inner bottom face of the cylindrical shell through a spring, and the discus is arranged on the other end face of the sliding column.
Furthermore, the inner side surfaces of the front flange and the rear flange of the bottom cover are respectively provided with a pin installation seat sliding groove which is convenient for the pin installation seat to slide.
Further, the left and right sides at the middle part of the pin installation seat sliding groove are respectively provided with pin installation seat sliding limiting blocks.
Further, the upper cover and the bottom cover are fixed and covered together through screws.
Further, an arc surface is arranged at the outer side end of the upper surface of the locking head, and the arc surface can facilitate automatic retraction of the locking head when the locking head contacts the female socket.
The working principle of the invention is as follows:
when the lock is in an initial state, the electromagnet part is not electrified, and the armature part is separated from the electromagnet part under the action of the elasticity of the spring, so that the two lock bolts extend out of the left side and the right side of the lock respectively;
When the lock is needed to be locked, the male plug of the lock is close to the female plug assembly under the action of external force, after the female plug electrode connector on the female plug assembly touches the cambered surfaces of the two male plug bolts of the lock, the two male plug bolts are pushed to move towards the center from the left side and the right side in a homeotropic manner, so that the two male plug bolts automatically retract into the lock, and after the male plug of the lock is completely connected with the female plug assembly, the armature part is separated from the electromagnet part under the action of the elastic force of the spring again, so that the two male plug bolts respectively extend out of the left side and the right side of the lock, thereby realizing automatic locking, and the electrode connectors of the two male plug bolts are fully contacted with the electrode connector on the female plug assembly, so as to realize the conduction between the male plug assembly and the female plug assembly;
When unlocking is needed, the electromagnet part is electrified, and at the moment, the armature part is attached to the electromagnet part under the action of the magnetic force of the electromagnet part, so that the two lock bolts automatically retract into the lock, unlocking is realized, and the electrode connectors of the two lock bolts are also separated from the electrode connectors of the female plug assembly at the same time, so that the disconnection of the male plug assembly and the female plug assembly is realized; when the lock is unlocked, the electromagnet part is powered off again, and the armature part is separated from the electromagnet part under the action of the elastic force of the spring, so that the two lock bolts extend out of the left side and the right side of the lock respectively, and the original state is restored.
The beneficial effects of the invention are as follows:
According to the invention, the two lock bolts are respectively connected with the electromagnet and the armature, and the spring is connected between the electromagnet and the armature, so that the two lock bolts of the lock are enabled to have excellent synchronism in unlocking by utilizing the magnetic property of the electromagnet after being electrified and the elasticity of the spring, and the use effect of the existing similar lock is improved.
According to the invention, the elastic piece is arranged between the electromagnet and the iron block, so that the iron block can be separated from the electromagnet when the electromagnet is not electrified, and the cambered surface is arranged on the lock tongue, so that the lock tongue can be guided to move inwards and retract inwards in a proper direction when contacting with the female plug, and can extend outwards under the elastic action of the elastic piece when the lock tongue is inserted into the female plug, thereby realizing automatic locking of the lockset, and ensuring that the power supply connection is more stable when the male plug and the female plug assembly of the lockset are locked.
According to the invention, the pin installation seat sliding grooves are respectively arranged on the front and rear flanges of the bottom cover, so that on one hand, an accommodating space is provided for the pin installation seat on the lock tongue, and on the other hand, the lock tongue can be prevented from shaking in the up-down direction and the front-rear direction during movement, and the stability of the lock tongue during left-right movement is further improved. Meanwhile, the pin installation seat sliding limiting block is further arranged on the pin installation seat sliding groove, so that the condition that the lock tongue on one side only moves towards the lock tongue on the other side can be avoided, and the synchronism of the lock tongues in opposite movement is further improved.
The bulge for the upper half part of the electromagnet switch is arranged on the rear plate, so that the thickness of the front cover can be further reduced, the whole size of the lockset is reduced, and the lockset has better applicability.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a perspective view of one side of the upper cover of the present invention;
FIG. 2 is a perspective view of one side of the bottom cover of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an internal structural view of the present invention with the upper cover removed;
fig. 5 is a structural view of the bottom cover of the present invention;
FIG. 6 is a block diagram of a locking bolt of the present invention;
Fig. 7 is an assembly relationship diagram of the latch and the electrode connector of the present invention.
Detailed Description
The invention will be described in detail below with reference to the drawings in combination with embodiments.
Referring to fig. 1-3, an electromagnet-based lock pin is composed of an upper cover 1, a bottom cover 2, an electromagnet switch 3, two lock bolts 4, two pins 5 and six electrode connectors 6.
Referring to fig. 5, the middle part of the bottom cover 2 is provided with an electromagnet switch placing seat 201 which is convenient for the electromagnet switch 3 to slide left and right, the left and right sides of the bottom cover 2 are respectively provided with a lock tongue chute 202 for two lock tongues 4 to slide left and right, the left and right flanges of the bottom cover 2 are respectively provided with a locking head sliding notch 203, the inner side surfaces of the front and rear flanges of the bottom cover 2 are respectively provided with a pin installation seat sliding groove 204 which is convenient for the pin installation seat 402 to slide, and the left and right sides of the middle part of the pin installation seat sliding groove 204 are respectively provided with a pin installation seat sliding limiting block 205.
Referring to fig. 4, the electromagnet switch 3 includes an electromagnet portion 301, an armature portion 302, and an elastic member, wherein the electromagnet portion 301 is a ring-shaped electromagnet disposed in a cylindrical housing, the armature portion 302 includes a sliding column and a discus for attracting the ring-shaped electromagnet, and the elastic member is a spring; the sliding column is slidably arranged in the annular electromagnet, the inner side end surface of the sliding column is connected with the inner bottom surface of the cylindrical shell through the spring, and the discus is arranged on the other end surface of the sliding column; when the electromagnet portion 301 is energized, the armature portion 302 is attached to the electromagnet portion 301 under the action of the magnetic force of the electromagnet portion 301, and when the electromagnet portion 301 is not energized, the armature portion 302 is separated from the electromagnet portion 301 under the action of the restoring force of the elastic member; the electromagnet portion 301 and the armature portion 302 are respectively provided with pin mounting holes penetrating through the front and rear ends thereof.
Referring to fig. 6, the lock tongue 4 includes a sliding block 401, a pin mounting seat 402 and a locking head 403, where the pin mounting seat 402 is disposed on an upper portion of an inner side surface of the sliding block 401, the locking head 403 is disposed on an upper portion of an outer side surface of the sliding block 401, and an outer end of an upper surface of the locking head 403 is provided with an arc surface, so that the locking head 403 can automatically retract when contacting with a female socket.
Referring to fig. 3 and 4, the upper cover 1 and the bottom cover 2 are covered by screws to form a lock inner space, the electromagnet switch 3 is placed in the electromagnet switch placing seat 201, the upper cover 1 is provided with a bulge 101, and the bulge 101 is used for accommodating the upper half part of the electromagnet switch 3, so that the thickness of the front cover can be reduced, and the whole size of the lock is reduced. The sliding blocks 401 of the two lock bolts 4 are respectively and slidably arranged in the two lock bolt sliding grooves 202, the upper parts of the sliding blocks 401 are arranged in the lock inner space, the lower parts of the sliding blocks 401 are exposed out of the lock inner space, the locking heads 403 of the two lock bolts 4 are respectively exposed out of the lock inner space through the locking head sliding gaps 203 on the same side, the pin mounting seats 402 of the two lock bolts 4 are respectively arranged in the lock inner space, the two pins 5 are respectively arranged in the pin mounting holes on the electromagnet part 301 and the armature part 302, the two ends of the pins 5 are respectively exposed out of the pin mounting holes, the pin mounting seats 402 of the two lock bolts 4 are respectively connected with the two ends of the pins 5 on the same side, and the electromagnet part 301 and the armature part 302 are respectively connected with the lock bolts 4 on the same side through the corresponding pins 5; three electrode connectors 6 are arranged on the outer side surfaces of the two lock bolts 4 side by side, the upper parts of the electrode connectors 6 are completely attached to the locking heads 403, and the lower parts of the electrode connectors 6 are completely attached to the outer side surfaces of the sliding blocks 401.
When the lock is in an initial state, the electromagnet part 301 is not electrified, and the armature part 302 is separated from the electromagnet part 301 under the action of the elasticity of the spring, so that the two lock bolts 4 extend out of the left side and the right side of the lock respectively;
when the lock is needed to be locked, the male plug of the lock approaches the female plug assembly under the action of external force, after the female plug electrode connector on the female plug assembly touches the cambered surfaces of the two lock bolts 4 of the lock, the two lock bolts 4 are pushed to move towards the center from the left side and the right side in a homeotropic manner, so that the two lock bolts 4 automatically retract into the lock, when the male plug of the lock is completely connected with the female plug assembly, the armature part 302 is separated from the electromagnet part 301 under the action of the elastic force of the spring again, so that the two lock bolts 4 respectively extend out of the left side and the right side of the lock, automatic locking is realized, and the electrode connectors of the two lock bolts 4 are fully contacted with the electrode connectors on the female plug assembly, so that the conduction between the male plug assembly and the female plug assembly is realized;
When unlocking is needed, the electromagnet part 301 is electrified, and at the moment, the armature part 302 is attached to the electromagnet part 301 under the action of the magnetic force of the electromagnet part 301, so that the two lock bolts 4 automatically retract into the lock, unlocking is realized, and the electrode connectors of the two lock bolts 4 are also separated from the electrode connectors of the female plug assembly at the same time, so that the disconnection of the male plug assembly and the female plug assembly is realized; when the lock is unlocked, the electromagnet part 301 is powered off again, and the armature part 302 is separated from the electromagnet part 301 under the action of the elastic force of the spring, so that the two lock bolts 4 extend out of the left side and the right side of the lock respectively, and the original state is restored.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a public plug of tool to lock based on electro-magnet which characterized in that: the device consists of an upper cover (1), a bottom cover (2), an electromagnet switch (3), two lock bolts (4), two pins (5) and six electrode connectors (6);
The middle part of the bottom cover (2) is provided with an electromagnet switch placing seat (201) which is convenient for the electromagnet switch (3) to slide left and right, the left side and the right side of the bottom cover (2) are respectively provided with a bolt chute (202) for two bolts (4) to slide left and right, and the left flange and the right flange of the bottom cover (2) are respectively provided with a locking head sliding notch (203); the inner side surfaces of the front flange and the rear flange of the bottom cover (2) are respectively provided with a pin mounting seat sliding groove (204) which is convenient for the pin mounting seat (402) to slide;
The electromagnet switch (3) comprises an electromagnet part (301) and an armature part (302), one end of the armature part (302) is connected with the electromagnet part (301) through an elastic piece, the electromagnet part (301) is a ring-shaped electromagnet arranged in a cylindrical shell, the armature part (302) comprises a sliding column and a discus used for attracting the ring-shaped electromagnet, the sliding column is slidably arranged in the ring-shaped electromagnet, the inner side end face of the sliding column is connected with the inner bottom face of the cylindrical shell through a spring, and the discus is arranged on the other end face of the sliding column; when the electromagnet part (301) is electrified, the armature part (302) is attached to the electromagnet part (301) under the action of magnetic force of the electromagnet part (301), and when the electromagnet part (301) is not electrified, the armature part (302) is separated from the electromagnet part (301) under the action of restoring force of the elastic piece; pin mounting holes penetrating through the front end and the rear end of the electromagnet part (301) and the armature part (302) are respectively formed in the electromagnet part and the armature part;
The lock tongue (4) comprises a sliding block (401), a pin mounting seat (402) and a locking head (403), wherein the pin mounting seat (402) is arranged at the upper part of the inner side surface of the sliding block (401), and the locking head (403) is arranged at the upper part of the outer side surface of the sliding block (401);
The upper cover (1) and the bottom cover (2) are covered to form a lock inner space, the electromagnet switch (3) is placed in the electromagnet switch placing seat (201), sliding blocks (401) of two lock bolts (4) are respectively and slidably arranged in two lock bolt sliding grooves (202), the upper parts of the sliding blocks (401) are respectively exposed in the lock inner space, the lower parts of the sliding blocks (401) are exposed out of the lock inner space, locking heads (403) of the two lock bolts (4) are respectively exposed out of the lock inner space through locking head sliding notches (203) on the same side, pin mounting seats (402) of the two lock bolts (4) are respectively arranged in pin mounting holes on the electromagnet part (301) and the armature part (302), two ends of the pin (5) are respectively exposed out of the pin mounting holes, pin mounting seats (402) of the two lock bolts (4) are respectively connected with two corresponding pin mounting seats (402) of the two lock bolts (4) on the same side, and the two pin mounting seats are respectively connected with the two ends of the corresponding lock bolts (301) on the same side (5) and the corresponding pin mounting part (302); three electrode connectors (6) are arranged on the outer side faces of the two lock bolts (4) side by side, the upper parts of the electrode connectors (6) are completely attached to the locking heads (403), and the lower parts of the electrode connectors (6) are completely attached to the outer side faces of the sliding blocks (401).
2. The electromagnet-based lockset male plug of claim 1, wherein: the upper cover (1) is provided with a bulge (101) for accommodating the upper half part of the electromagnet switch (3).
3. The electromagnet-based lockset male plug of claim 1, wherein: the left side and the right side at the middle part of the pin installation seat sliding groove (204) are respectively provided with a pin installation seat sliding limiting block (205).
4. The electromagnet-based lockset male plug of claim 1, wherein: the upper cover (1) and the bottom cover (2) are fixed and covered together through screws.
5. The electromagnet-based lockset male plug of claim 1, wherein: the outer side end of the upper surface of the locking head (403) is provided with an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521987.4A CN110145181B (en) | 2019-06-17 | 2019-06-17 | Lock male plug based on electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521987.4A CN110145181B (en) | 2019-06-17 | 2019-06-17 | Lock male plug based on electromagnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145181A CN110145181A (en) | 2019-08-20 |
| CN110145181B true CN110145181B (en) | 2024-08-16 |
Family
ID=67591711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521987.4A Active CN110145181B (en) | 2019-06-17 | 2019-06-17 | Lock male plug based on electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917043B (en) * | 2020-06-23 | 2022-05-31 | 祥兴电气有限公司 | Drawer type capacitance compensation cabinet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210685622U (en) * | 2019-06-17 | 2020-06-05 | 恒亘科技(苏州)有限公司 | Lock male plug based on electromagnet |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202651504U (en) * | 2012-05-14 | 2013-01-02 | 许泽东 | Electric automobile charging electric lock |
| DE102013206695B4 (en) * | 2013-04-15 | 2019-12-05 | Geze Gmbh | Lock for a wing of a door or a window |
| CN207966855U (en) * | 2017-12-27 | 2018-10-12 | 珠海市晶宸科技有限公司 | A kind of accurate bidirectional-movement solenoid |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210685622U (en) * | 2019-06-17 | 2020-06-05 | 恒亘科技(苏州)有限公司 | Lock male plug based on electromagnet |
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| Publication number | Publication date |
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| CN110145181A (en) | 2019-08-20 |
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Effective date of registration: 20240716 Address after: Room 711, Building 1, Artificial Intelligence Industrial Park, No. 266 Chuangyan Road, Qilin Technology Innovation Park, Nanjing City, Jiangsu Province, 211135 Applicant after: Nanjing shangkede Technology Development Co.,Ltd. Country or region after: China Address before: 215000 no.2641, tianedang Road, Hengjing street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: Heng Ge Science and Technology (Suzhou) Co.,Ltd. Country or region before: China |
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