CN110380287A - A kind of loose-proof socket - Google Patents
A kind of loose-proof socket Download PDFInfo
- Publication number
- CN110380287A CN110380287A CN201910650603.9A CN201910650603A CN110380287A CN 110380287 A CN110380287 A CN 110380287A CN 201910650603 A CN201910650603 A CN 201910650603A CN 110380287 A CN110380287 A CN 110380287A
- Authority
- CN
- China
- Prior art keywords
- plate
- jack body
- piston
- slot
- plug
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of loose-proof sockets, including jack body, plug is inserted on the jack body, slot is offered on the jack body, the conductive sheet plugged from slot is installed on the plug, the upper side wall of the jack body is inserted with mobile bar, placement plate is fixed in the jack body, rotor plate is rotatably connected in the placement plate, adjustable spring is fixed between the placement plate and rotor plate, the first electric contravention is mounted on the rotor plate and the opposite side side wall of placement plate, the jack body inner piston pipe, the both ends of the piston tube extend to the inner wall of slot and are fixedly connected with hose.Several barrels that heating plate and electromagnet and external power supply are realized when the present invention is inserted by plug, make it from liquid to Solid State Transformation by the magnetism on electromagnet after magnetorheological fluid is pushed into hose again, and then abutting fixation is carried out to conductive sheet, it avoids plug from being detached from socket, ensure that the stabilization connected between plug and socket.
Description
Technical field
The present invention relates to jack technology field more particularly to a kind of loose-proof sockets.
Background technique
Socket, also known as power outlet, switch socket, socket refer to have one or more circuit connections can be inserted into
Seat, can be inserted into various wiring by it, by the connection and disconnection between route and copper piece, be finally reached part electricity to reach
The connecting and disconnecting on road.
Common socket carry out using when generally directly the conductive sheet on plug is inserted into socket, conductive sheet and socket
Junction it is not close, when expanding, pullling easily occur conductive sheet be detached from from socket, make between socket and plug
Connection disconnects, and then influences normal use, causes the unsound problem of electricity consumption.
Summary of the invention
To achieve the goals above, present invention employs following technical solutions:
A kind of loose-proof socket, including jack body are inserted with plug on the jack body, open on the jack body
Equipped with slot, the conductive sheet plugged from slot is installed on the plug, the upper side wall of the jack body is inserted with movement
Bar is fixed with placement plate in the jack body, rotor plate, the placement plate and rotor plate is rotatably connected in the placement plate
Between be fixed with adjustable spring, be mounted on the first electric contravention on the rotor plate and the opposite side side wall of placement plate, it is described
Jack body inner piston pipe, the both ends of the piston tube extend to the inner wall of slot and are fixedly connected with hose, the piston tube
Lower wall integrally formed with extension slot, the piston tube upper side wall is inserted with the heating plate extended in piston tube, the work
Fill on the both ends inner wall of pipe that sliding has a piston, the inner wall of side and piston tube of each piston far from another piston it
Between be filled with magnetorheological fluid, there are two the electromagnet for being located at piston tube end, the extension slots for the interior fixation of the jack body
Interior sliding has slide plate, and L-type plate, two L-types are symmetrically fixed between the lower wall of the slide plate and the inner bottom wall of extension slot
The opposite side of plate is mounted on the second electric contravention, and the junction of the piston tube and extension slot is equipped with reel, two institutes
It states piston and is fixedly connected to the drawstring fixed around reel and slide plate upper side wall far from the side of magnetorheological fluid.
Preferably, the described first electric contravention in placement plate is connect by conducting wire with heating plate anode, the heating
The cathode of plate is connect by the first electric contravention of the conducting wire with external power supply and on rotor plate.
Preferably, the described second electric contravention on slide plate is connected by the anode of conducting wire and electromagnet, is located at and is extended
The electric contravention of described the second of slot is connect by conducting wire with the anode of external power supply and electromagnet.
Preferably, the width of the slide plate is less than the width of extension slot.
Compared with prior art, the beneficial effects of the present invention are:
Being inserted by plug drives mobile bar to move down, and squeezing rotor plate and rotating down makes two first electric contraventions be in contact,
Realize that the electrical circuit between external power supply and heating plate is connected, heating plate expands air heats to heating in piston tube,
It is mobile to push piston, and then magnetorheological fluid is pushed in hose, while piston is mobile, pulls slide plate is past to move up by drawstring
It is dynamic, so that two second electric contraventions is in contact, form electrical circuit before electromagnet and external power supply, electromagnet generate it is magnetic, will be with
Conductive sheet contact hose in magnetorheological fluid from liquid to solid change, and then by solid magnetorheological fluid to conductive sheet into
Row, which pushes against, to be fixed；
In conclusion realizing several barrels of heating plate and electromagnet and external power supply when the present invention is inserted by plug, then will
Make it from liquid to Solid State Transformation by the magnetism on electromagnet after in magnetorheological fluid push-in hose, and then conductive sheet is supported
It fastens, avoids plug from being detached from socket, ensure that the stabilization connected between plug and socket.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of loose-proof socket proposed by the present invention；
Fig. 2 is the enlarged diagram in Fig. 1 at A.
In figure: 1 jack body, 2 plugs, 3 slots, 4 conductive sheets, 5 mobile bars, 6 placement plates, 7 rotor plates, 8 adjustable springs,
9 heating plates, 10 piston tubes, 11 extension slots, 12 slide plates, 13 drawstrings, 14 pistons, 15 L-type plates, 16 electromagnet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of loose-proof socket, including jack body 1 are inserted with plug 2, socket sheet on jack body 1
Slot 3 is offered on body 1, the conductive sheet 4 plugged from slot 3 is installed on plug 2, and the upper side wall of jack body 1 is inserted with
Mobile bar 5 is fixed with placement plate 6 in jack body 1, and rotor plate 7, placement plate 6 and rotor plate 7 are rotatably connected in placement plate 6
Between be fixed with adjustable spring 8, be mounted on the first electric contravention, socket sheet on rotor plate 7 and the opposite side side wall of placement plate 6
1 inner piston pipe 10 of body, the both ends of piston tube 10 extend to the inner wall of slot 3 and are fixedly connected with hose, and setting hose is convenient for logical
The deformation for crossing hose is contacted with the conductive sheet on plug 2, and the lower wall of piston tube 10 is integrally formed with extension slot 11, piston
10 upper side wall of pipe is inserted with the heating plate 9 extended in piston tube 1O, the electric contravention of first in placement plate 6 by conducting wire with
The cathode of 9 anode connection of heating plate, heating plate 9 is connected by conducting wire and external power supply and the on rotor plate 7 first electric contravention
It connects, plug 2 is inserted on jack body 1, and the lower wall of plug 2 squeezes mobile bar 5 and moves in jack body 1, squeezes rotor plate 7
It moves down, two first electric contraventions are in contact, and form electrical circuit between the electric contravention of external power supply, heating plate 9 and first, heat
Plate 9 carries out heating work, and the air between piston 14 heats expansion, pushes piston 14 mobile toward outer end.
Sliding has a piston 14 on the both ends inner wall of piston tube 10, side of each piston 14 far from another piston 14 with
Between the inner wall of piston tube 10 be filled with magnetorheological fluid, magnetorheological fluid category controlled fluid, be studied in intellectual material it is more active
One, magnetorheological fluid is mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic liquid
Suspended substance, this suspended substance show the Newtonian fluid characteristic of low viscosity under zero magnetic field condition, and under strong magnetic field action, then
High viscosity, the characteristic of low-flow are showed, there are two the electromagnet for being located at 10 end of piston tube for the interior fixation of jack body 1
16, the interior sliding of extension slot 11 has slide plate 12, and the width of slide plate 12 is less than the width of extension slot 11, the smaller guarantee of the width of slide plate 12
It is mobile slide plate 12 is not will push in piston tube 10 when gas expansion.
L-type plate 15 is symmetrically fixed between the lower wall of slide plate 12 and the inner bottom wall of extension slot 11, two L-type plates 15 are opposite
Side be mounted on the second electric contravention, the electric contravention of second on slide plate 12 by the anode of conducting wire and electromagnet 16 even
Connect, the second electric contravention positioned at extension slot 11 is connect by conducting wire with the anode of external power supply and electromagnet 16, piston tube 10 and
The junction of extension slot 11 is equipped with reel, and two pistons 14 are fixedly connected to far from the side of magnetorheological fluid around coiling
The wheel drawstring 13 fixed with 12 upper side wall of slide plate, piston 14 is mobile toward outer end, squeezes magnetorheological fluid toward soft in-pipe, in piston
When 14 movement, slide plate 12 is pulled up to move by drawstring 13, two second electric contraventions are in contact, electromagnet 16, external power supply
And second form electrical circuit between electric contravention, energizing magnetic on electromagnet 16, magnetorheological fluid is under the influence of magnetic force by liquid
Body changes to solid, and then pushes against to conductive sheet 4, completes the fixation of conductive sheet 4.
In the present invention, when user uses the device: plug 2 being inserted on jack body 1, the lower wall of plug 2 squeezes
Mobile bar 5 moves in jack body 1, squeezes rotor plate 7 and moves down, and two first electric contraventions are in contact, and external power supply adds
Electrical circuit is formed between hot plate 9 and the first electric contravention, heating plate 9 carries out heating work, and the air between piston 14 heats expansion,
It pushes piston 14 mobile toward outer end, squeezes magnetorheological fluid and pulled and slided by drawstring 13 when piston 14 is mobile toward soft in-pipe
Plate 12 up moves, and two second electric contraventions are in contact, and forms electricity between the electric contravention of electromagnet 16, external power supply and second and returns
Road, energizing magnetic on electromagnet 16, magnetorheological fluid are changed under the influence of magnetic force from liquid to solid, and then to conductive sheet
4 are pushed against, and complete the fixation of conductive sheet 4, plug 2 is avoided to be detached from from jack body 1, when carrying out the disengaging of plug 2, firmly
Plug 2 is extracted.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of loose-proof socket, including jack body (1), which is characterized in that be inserted with plug on the jack body (1)
(2), it is offered slot (3) on the jack body (1), the conductive sheet plugged from slot (3) is installed on the plug (2)
(4), the upper side wall of the jack body (1) is inserted with mobile bar (5), is fixed with placement plate (6) in the jack body (1),
It is rotatably connected to rotor plate (7) on the placement plate (6), is fixed with adjustable spring between the placement plate (6) and rotor plate (7)
(8), the first electric contravention, the jack body are mounted on the rotor plate (7) and the opposite side side wall of placement plate (6)
(1) inner piston pipe (10), the both ends of the piston tube (10) extend to the inner wall of slot (3) and are fixedly connected with hose, described
For the lower wall of piston tube (10) integrally formed with extension slot (11), piston tube (10) upper side wall, which is inserted with, extends to piston tube
(10) heating plate (9) in, sliding has piston (14) on the both ends inner wall of the piston tube (10), each piston (14)
Magnetorheological fluid, the jack body (1) are filled between the side of another separate piston (14) and the inner wall of piston tube (10)
Interior fixation there are two the electromagnet (16) for being located at piston tube (10) end, sliding has slide plate (12) in the extension slot (11),
It is symmetrically fixed with L-type plate (15) between the lower wall of the slide plate (12) and the inner bottom wall of extension slot (11), two L-type plates
(15) opposite side is mounted on the second electric contravention, and the piston tube (10) and the junction of extension slot (11) are equipped with coiling
Wheel, two pistons (14) are fixedly connected to solid around reel and slide plate (12) upper side wall far from the side of magnetorheological fluid
Fixed drawstring (13).
2. a kind of loose-proof socket according to claim 1, which is characterized in that described first be located on placement plate (6)
Electric contravention is connect by conducting wire and heating plate (9) anode, and the cathode of the heating plate (9) passes through conducting wire and external power supply and is located at
The first electric contravention connection on rotor plate (7).
3. a kind of loose-proof socket according to claim 1, which is characterized in that second electricity being located on slide plate (12)
Contravention connect by the anode of conducting wire and electromagnet (16), be located at the described second electric contravention of extension slot (11) by conducting wire with outside
The anode connection of portion's power supply and electromagnet (16).
4. a kind of loose-proof socket according to claim 1, which is characterized in that the width of the slide plate (12), which is less than, to be extended
The width of slot (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650603.9A CN110380287B (en) | 2019-07-18 | 2019-07-18 | Anti-loosening socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650603.9A CN110380287B (en) | 2019-07-18 | 2019-07-18 | Anti-loosening socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110380287A true CN110380287A (en) | 2019-10-25 |
| CN110380287B CN110380287B (en) | 2020-09-15 |
Family
ID=68254048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910650603.9A Active CN110380287B (en) | 2019-07-18 | 2019-07-18 | Anti-loosening socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110380287B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244678A (en) * | 2020-01-15 | 2020-06-05 | 朱燚鹏 | Anti-loosening plug and socket |
| CN111227595A (en) * | 2020-03-13 | 2020-06-05 | 万丽华 | Anti-scald spoon |
| CN111490402A (en) * | 2020-04-26 | 2020-08-04 | 万丽华 | Firmly fixed socket |
| CN111509495A (en) * | 2020-04-16 | 2020-08-07 | 李玉凤 | Overheated self-outage formula row inserts |
| CN111509505A (en) * | 2020-05-11 | 2020-08-07 | 杭州欣奇前科技有限公司 | Two-section anti-pulling-out power socket for internet |
| CN111613945A (en) * | 2020-06-03 | 2020-09-01 | 金伟 | Power supply socket |
| CN111834785A (en) * | 2020-07-08 | 2020-10-27 | 李黎莎 | Anti-loosening device of socket |
| CN112186423A (en) * | 2020-09-15 | 2021-01-05 | 南京来得珠电子商务有限公司 | Anti-misplug plug and socket for software engineering equipment |
| CN112290285A (en) * | 2020-10-21 | 2021-01-29 | 曾鸿宇 | Intelligent storage insertion equipment for preventing unreadable magnetorheological fluid |
| CN112582830A (en) * | 2020-12-09 | 2021-03-30 | 徐宪 | Steering type safety power connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015040592A (en) * | 2013-08-21 | 2015-03-02 | 藤倉化成株式会社 | Lock device with electroviscosity |
| DE102013017749A1 (en) * | 2013-10-28 | 2015-04-30 | Auto-Kabel Management Gmbh | Electric cable and method of making an electrical cable |
| CN109586106A (en) * | 2018-11-27 | 2019-04-05 | 张登柏 | A kind of easy plug safety socket |
| CN109888568A (en) * | 2019-02-18 | 2019-06-14 | 程少云 | A kind of plug and socket with anti-loose effect |
-
2019
- 2019-07-18 CN CN201910650603.9A patent/CN110380287B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015040592A (en) * | 2013-08-21 | 2015-03-02 | 藤倉化成株式会社 | Lock device with electroviscosity |
| DE102013017749A1 (en) * | 2013-10-28 | 2015-04-30 | Auto-Kabel Management Gmbh | Electric cable and method of making an electrical cable |
| CN109586106A (en) * | 2018-11-27 | 2019-04-05 | 张登柏 | A kind of easy plug safety socket |
| CN109888568A (en) * | 2019-02-18 | 2019-06-14 | 程少云 | A kind of plug and socket with anti-loose effect |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244678A (en) * | 2020-01-15 | 2020-06-05 | 朱燚鹏 | Anti-loosening plug and socket |
| CN111244678B (en) * | 2020-01-15 | 2021-10-15 | 上海毕科电子有限公司 | Anti-loosening plug and socket |
| CN111227595A (en) * | 2020-03-13 | 2020-06-05 | 万丽华 | Anti-scald spoon |
| CN111509495B (en) * | 2020-04-16 | 2021-04-27 | 佳木斯大学 | Overheated self-outage formula row inserts |
| CN111509495A (en) * | 2020-04-16 | 2020-08-07 | 李玉凤 | Overheated self-outage formula row inserts |
| CN111490402A (en) * | 2020-04-26 | 2020-08-04 | 万丽华 | Firmly fixed socket |
| CN111509505A (en) * | 2020-05-11 | 2020-08-07 | 杭州欣奇前科技有限公司 | Two-section anti-pulling-out power socket for internet |
| CN111613945A (en) * | 2020-06-03 | 2020-09-01 | 金伟 | Power supply socket |
| CN111834785A (en) * | 2020-07-08 | 2020-10-27 | 李黎莎 | Anti-loosening device of socket |
| CN111834785B (en) * | 2020-07-08 | 2021-08-06 | 仪军电线电缆（昆山）有限公司 | Anti-loosening device of socket |
| CN112186423A (en) * | 2020-09-15 | 2021-01-05 | 南京来得珠电子商务有限公司 | Anti-misplug plug and socket for software engineering equipment |
| CN112290285A (en) * | 2020-10-21 | 2021-01-29 | 曾鸿宇 | Intelligent storage insertion equipment for preventing unreadable magnetorheological fluid |
| CN112582830A (en) * | 2020-12-09 | 2021-03-30 | 徐宪 | Steering type safety power connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110380287B (en) | 2020-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110380287A (en) | A kind of loose-proof socket | |
| CN109638559A (en) | A kind of socket that automatic absorbing is fixed | |
| CN110739588B (en) | Anti-pulling socket and plug based on principle of expansion with heat and contraction with cold | |
| CN111370940A (en) | Stable socket | |
| CN108808891A (en) | A kind of wireless energy transform device of mixing relaying | |
| CN201203196Y (en) | Electric heating device | |
| CN209217332U (en) | A kind of socket based on Internet of Things | |
| CN206981966U (en) | A kind of resistance to hot electric welding tongs | |
| CN209344428U (en) | A kind of waterproof seal power supply line | |
| CN108336556A (en) | A kind of Novel socket with self-locking function | |
| CN204577676U (en) | A kind of probe-type electric connector | |
| CN208751025U (en) | Heat exchanger structure and air can water heater | |
| CN208751346U (en) | A kind of sewage treatment heat exchanger | |
| CN207038852U (en) | A kind of electric power connecting component | |
| CN202325916U (en) | Heating unit in fuel filter of diesel car | |
| CN215934475U (en) | High-power household small-sized steam generator power supply system | |
| CN2881997Y (en) | Copper aluminium connection tube | |
| CN2304855Y (en) | Electric water heater by high frequency induction | |
| CN208630386U (en) | A kind of electrical automotive connector for new-energy automobile | |
| CN219760120U (en) | Novel intelligent shore power boosting device | |
| CN101874754B (en) | Safety explosion-proof hand warmer | |
| CN113543554B (en) | Power adapter with better heat dissipation performance and heat dissipation method thereof | |
| CN205159607U (en) | Row is inserted to rotatable folding family expenses | |
| CN106992481A (en) | 66kV to 500kV voltage class wall bushing | |
| CN209344447U (en) | A kind of Pop-up power-off protection piecing devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200821 Address after: Room 203, building 4, No. 11, Keyuan Road, Wuyang street, Deqing County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Shengna Intelligent Technology Co., Ltd Address before: No.19, Bolin xibaiwei, Meilin Village, Xinshi Town, Deqing County, Huzhou City, Zhejiang Province Applicant before: Wang Chao |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |