CN109038000B - Positive reverse plug USB socket - Google Patents
Positive reverse plug USB socket Download PDFInfo
- Publication number
- CN109038000B CN109038000B CN201810914541.3A CN201810914541A CN109038000B CN 109038000 B CN109038000 B CN 109038000B CN 201810914541 A CN201810914541 A CN 201810914541A CN 109038000 B CN109038000 B CN 109038000B
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- plug
- usb socket
- base
- plug connector
- terminal group
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- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- 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
- H01R13/02—Contact members
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- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/46—Bases; Cases
- H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
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- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The utility model provides a positive reverse plug USB socket, includes that plug connector and cover are located the outer metal casing of plug connector, the plug connector includes the metal medium plate, arranges in the first of both sides about the metal medium plate, second terminal group and will metal medium plate, first, second terminal group constitute in the insulator of an organic whole, insulator includes the basal portion, certainly the basal portion is preceding to extend the butt joint tongue portion that forms, the basal portion orientation accommodation space has been seted up to butt joint tongue portion one side, the inside wall surface of metal casing corresponds accommodation space position department spot welding is formed with the dog, the dog accept in order to accept the plug-in insertion force of butt joint in the accommodation space. The application is positive and negative to insert the USB socket and can prevent the damage that the excessive insertion of docking plug caused.
Description
Technical Field
The present application relates to the field of connectors, and more particularly, to a USB socket with a front plug and a back plug.
Background
The USB3.1 Type C interface is widely used in the field of mobile communication, and is used for power transmission and data transmission of mobile devices. Be limited to two rows of terminal structures about and arrange in still metal sheet between the row of terminal from top to bottom leads to Type C socket when injection moulding, need just can accomplish through moulding plastics many times and mould plastics, has reduced production efficiency, has increased manufacturing cost simultaneously. Namely, the upper terminal and the lower terminal are formed at one time independently, and then the middle plate is combined together for injection molding and the like.
The insulator of current Type C socket includes the base, certainly the base is preceding to extend the butt joint tongue that forms and be located the base with the connecting portion between the butt joint tongue, the external diameter of connecting portion is less than the base, when butt joint plug inserts, the power of inserting of plug can produce the extrusion to the base, causes the slight dislocation between insulator and the metal casing even.
The existing waterproof Type C socket is generally provided with a tail part independent from a base part, so that a glue containing area is formed between the tail part and the base part, certain fixing force is lacked for the tail part, and the overall relative position of a welding leg positioned on the lower surface of the tail part and the socket is not stable enough.
Disclosure of Invention
Accordingly, it is desirable to provide a reversible USB receptacle that is waterproof and can withstand excessive insertion of a mating plug.
For solving above-mentioned technical problem, the application provides a positive reverse plug USB socket, locate including plug connector and cover the outer metal casing of plug connector, the plug connector includes the metal medium plate, arranges in the first of both sides about the metal medium plate, second terminal group and general metal medium plate, first, second terminal group constitute in insulator of an organic whole, insulator includes the basal portion, certainly the butt joint tongue that the basal portion forward extension formed, the basal portion orientation accommodation space has been seted up to butt joint tongue one side, the inside wall surface of metal casing corresponds accommodation space position department spot welding is formed with the dog, the dog accept in order to accept the plug-in insertion force of butt joint in the accommodation space.
This application is through offering accommodation space on insulator's the basal portion downside, and spot welding formation on the lateral wall face in the metal casing accept in dog in the accommodation space increases the horizontal length of dog is in order to accept better the power of inserting to from the docking plug, prevents to damage insulator, and can make metal casing need not the punching press and tears to form and prevent crossing the structure of inserting, realizes metal casing's seamless state is so that waterproof design.
Preferably, the length of the accommodating space in the lateral direction is 1/2 to 4/5 of the lateral length of the base.
Preferably, the transverse length of the stop is no less than 4/5 the width of the docking tongue.
Preferably, the metal housing includes a cylindrical housing sleeved outside the connector and a fixed housing spot-welded outside the cylindrical housing, the cylindrical housing includes a peripheral wall and a through groove formed by the peripheral wall in a surrounding manner and used for accommodating the connector, and the peripheral wall is seamless.
Preferably, the stopper is spot-welded to an inner side surface of the peripheral wall, and the stationary housing includes a main body portion spot-welded to an outer surface of the peripheral wall and an ear portion extending from the main body portion and formed laterally outside the cylindrical housing.
Preferably, the insulating body further includes an independent portion formed at the rear end of the base and independently disposed with respect to the base, a clamping groove is disposed at an outer side of a bottom of the independent portion, and the fixed housing includes a covering portion extending from the main body portion rearward outside the cylindrical housing and covering over the independent portion, and a hook bent inward from two lateral sides of the covering portion to form a buckle to be fastened in the clamping groove.
Preferably, an isolation area is formed between the independent part and the base part, and the independent part penetrates through a glue injection port communicated with the isolation area in the inserting and pulling direction.
Preferably, the rear end of the covering part is bent downwards to form a fixing piece for buckling the rear end face of the independent part.
Preferably, each of the first and second terminal sets includes a contact portion exposed on the upper and lower surfaces of the mating tongue portion, a holding portion extending rearward from the contact portion and molded in the insulating body, and a solder fillet extending rearward from the holding portion, and the solder fillet is exposed on the lower surface of the independent portion.
Preferably, the main body of the fixed housing is further provided with an opening so that the spot welding area between the stopper and the cylindrical housing is exposed outside the fixed housing.
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 application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a perspective assembly view of a front-to-back USB socket according to the present application;
FIG. 2 is a perspective view of the plug member of the present application for positively and negatively plugging the USB socket;
FIG. 3 is a perspective view of the plug member of the present application with the USB socket inserted in a forward and reverse direction at another angle;
FIG. 4 is a perspective view of a metal shell of the present application with a USB receptacle plugged in both sides;
FIG. 5 is a cross-sectional view taken along the line B-B in FIG. 1;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 7 is a perspective assembly view of the present application showing the USB socket inserted in the front and back direction from another angle;
fig. 8 to 16 are flow charts showing the manufacturing of the plug-in unit of the front-back USB socket according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 7, the front-back-plug USB socket of the present application includes a plug connector a, a metal casing sleeved outside the plug connector a, a waterproof ring 30 integrally formed on an outer edge of a front end of the metal casing, and a stopper 13 spot-welded in the metal casing.
Referring to fig. 2 and 3, the plug connector a includes a first terminal set 51, a second terminal set 52, a metal middle plate 53 located between the first and second terminal sets 51,52, and an insulating body 60 integrally molding the first and second terminal sets 51,52 and the metal middle plate 53. The insulating body 60 includes a base 61, a docking tongue 62 extending forward from the base 61, a connecting portion 63 between the base 61 and the docking tongue 62, and an independent portion 64 located at a rear end of the base 61 and independent from the base 61. As shown in fig. 8, each of the terminals of the first and second terminal sets 51,52 includes a contact portion 501 exposed on the upper and lower surfaces of the mating tongue 62, a holding portion 502 extending rearward from the contact portion 501 and embedded in the insulating body 60, and a solder leg 503 extending rearward from the holding portion 502. The solder leg 503 is exposed to the bottom surface of the independent portion 64, and the bottom surface of the solder leg 503 is flush with the bottom surface of the independent portion 64.
The base portion 61 has an outer diameter larger than the connecting portion 63 and the docking tongue 62. The upper and lower sides of the base 61 are respectively opened with an accommodating space 611 towards one end of the docking tongue 62, and the rear end of the accommodating space 611 is closed to form a rear wall 612. The accommodating space 611 is provided in an elongated shape in the lateral direction, and the length of the accommodating space 611 in the lateral direction is 1/2 to 4/5 of the lateral length of the base 61.
An isolation region 65 is formed between the base 61 and the independent portion 64, a glue injection opening 641 communicating with the isolation region 65 from the rear end is formed at the upper side of the independent portion 64 in the inserting and extracting direction in a penetrating manner, and glue B is injected into the isolation region 65 through the glue injection opening 641. A clamping groove 642 is formed at the joint of the transverse side part and the bottom part of the independent part 64.
Referring to fig. 4 to 7, the metal case includes a cylindrical case 10 and a fixing case 20 spot-welded to one side surface of the cylindrical case 10. The cylindrical shell 10 is manufactured by adopting a drawing process, so that no joint seam is generated on the outer surface of the cylindrical shell 10. The cylindrical housing 10 includes a peripheral wall 11, and a through groove 12 that is surrounded by the peripheral wall 11 and penetrates in the insertion and extraction direction. The plug connector A is inserted into the through groove 12. A stopper 13 is spot-welded to the inner wall surface of the peripheral wall 11 at a position corresponding to the receiving space 611 of the insulating body 60, and the stopper 13 is received in the receiving space 611 to receive the insertion force from the mating plug and transmit the insertion force to the cylindrical housing 20, and finally transmitted from the cylindrical housing 20 to the circuit board and the complete machine. The transverse length of the stop 13 is not less than 4/5 of the width of the abutment tongue 62.
The fixed casing 20 includes a main body 21 wrapped around the outer peripheral wall of the cylindrical casing 10, an ear 22 extending from the main body 21 and formed on the lateral outer side of the cylindrical casing 10, and a screw hole 23 opened in the ear 22. The main body 21 is spot welded to the surface of the peripheral wall 11, and the main body 21 is further formed with an opening 211 to avoid the spot welding area between the peripheral wall 11 and the stopper 13.
As shown in fig. 7, the rear end of the main body 21 of the fixed housing 20 extends backward to form a covering portion 212 covering the independent portion 64 of the insulating body 60, the two lateral sides of the covering portion 212 extend downward to form soldering pins 26 inserted into the printed circuit board, and the soldering pins 26 and the ear portion are bent toward the independent portion 64 to form a hook 25 fastened in the slot 642. The top surface of the covering part 212 is bent downward and extends to form a fixing piece 24 abutting against the rear end surface of the independent part 64.
This application is through setting up draw-in groove 642 on independent portion 64, through with the main part 21 of fixed casing 20 extends backward and forms the cladding in the cladding portion 212 of independent portion 64 top to through the trip 25 card of the horizontal both sides of cladding portion 212 is gone into in the draw-in groove 642, make independent portion 64 stably firmly with fixed casing 20 combines as an organic wholely, thereby guarantees that first, second terminal group 51,52 leg 503 position is accurate.
Meanwhile, the upper side and the lower side of the base part 61 of the insulating body 60 are provided with the accommodating space 611, the stop block 13 accommodated in the accommodating space 611 is formed on the inner side wall surface of the cylindrical shell 10 in a spot welding mode, the transverse length of the stop block 13 is increased to better bear the plug insertion force from the butt plug, and the insulating body 60 is prevented from being damaged.
Referring to fig. 8 to 16, the method of manufacturing the plug-in unit a of the present application is as follows:
s10, stamping and forming the first and second terminal groups 51 and 52 and the metal middle plate 53;
as shown in fig. 8 and 9, after press forming, the front ends of the terminal contact portions 501 of the first terminal group 51 are connected by a first front tape 511, and the terminal fillets 503 of the first terminal group 51 are connected by a first rear tape 512; the front ends of the terminal contact portions 501 of the second terminal group 52 are connected by a second front material strip 521, and the terminal fillets 503 of the second terminal group 52 are connected by a second rear material strip 522; the first rear tape 512 and the second rear tape 522 are integrated, so that the first terminal set 51 and the second terminal set 52 are respectively arranged at two ends of the first rear tape 512,522, that is, the first terminal set 51 and the second terminal set 52 are stamped and formed in a mode of one die and two dies. The first and second rear tapes 512,522 are further connected to an outer tape 54, and the outer tape 54 encloses the first and second terminal sets 51, 52. The holding portion 502 of the first terminal set 51 is bent downward from the soldering terminal 503, and the holding portion 502 of the second terminal set 52 is bent upward from the soldering terminal 503.
The metal middle plate 53 is connected with a middle plate material belt 531 at the transverse outer side.
S20, cutting off the outer material belt 54;
this step is illustrated in fig. 10.
S30, positioning the metal middle plate 53 above the second terminal set 52 in a mold for a first injection molding;
in this step, as shown in fig. 11 and 12, the middle plate material belt 531 occupies a part of the cut-off outer material belt 54, and after the injection molding, the first terminal set 51 is combined into a whole by the first plastic body 71, and the second terminal set 52 is combined with the metal middle plate 53 into a whole by the second plastic body 72.
S40, cutting off the first and second front tapes 511,521 and cutting off the second back tape 522;
this step is shown in fig. 13.
S50, folding and overlapping the combination of the first terminal set 51 and the first plastic body 71 above the second plastic body 72 and the metal middle plate 53 for the second injection molding, and forming the insulation body 60 to integrally combine the first and second terminal sets 51,52 and the metal middle plate 53;
this step is shown in fig. 14 and 15.
S60, cutting the middle plate material belt 531;
the first back tape 512 is reserved for automated assembly of the metal housing.
In this application plug connector A's manufacturing process, first, second terminal group 51 of mode stamping forming through one two, 52, the stamping forming back, first, second terminal group 51,52 connect the material area as an organic whole and do not excise to through the optimal design in material area, overlap in first or second terminal group 51 with metal medium plate 53, carry out two injection moulding above 52, afterwards, excise partial back material area, with second or first terminal group 52,51 turn over fold over the superpose back injection moulding once more can, compare in traditional stamping forming terminal group after promptly excise the manufacturing approach of separation, improved production efficiency, reduced manufacturing cost.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. A positive and negative plug-in USB socket comprises a plug connector and a metal shell sleeved outside the plug connector, wherein the plug connector comprises a metal middle plate, a first terminal group and a second terminal group which are arranged on the upper side and the lower side of the metal middle plate, and an insulating body which integrates the metal middle plate, the first terminal group and the second terminal group into a whole, the insulating body comprises a base part and a butt joint tongue part which is formed by extending the base part forwards, and the positive and negative plug-in USB socket is characterized in that accommodating spaces are respectively formed in the upper side and the lower side of the base part towards one end of the butt joint tongue part, stop blocks are formed on the inner side wall surface of the metal shell corresponding to the accommodating space positions in a spot welding manner, the number of the stop blocks is two, each stop block is accommodated in the corresponding accommodating space to bear; the metal shell comprises a cylindrical shell sleeved outside the plug connector and a fixed shell spot-welded outside the cylindrical shell, the cylindrical shell comprises a peripheral wall and a through groove formed by the peripheral wall in a surrounding mode and used for containing the plug connector, and the peripheral wall is seamless; the insulation body further comprises an independent part which is formed at the rear end of the base and is independently arranged relative to the base, a clamping groove is formed in the outer side of the bottom of the independent part, the main body part of the fixed shell, a coating part which extends out of the cylindrical shell from the main body part backwards and coats the independent part, and a clamping hook which is bent inwards from two transverse sides of the coating part to form a clamping buckle in the clamping groove, an isolation area is formed between the independent part and the base, and the independent part penetrates in the plugging direction to form a glue injection port communicated with the isolation area.
2. The front-to-back USB receptacle of claim 1, wherein the length of the receiving space in the transverse direction is 1/2-4/5 of the transverse length of the base.
3. The reversible USB receptacle of claim 2, wherein the transverse length of the stop is no less than 4/5 of the width of the mating tongue.
4. The reversible USB receptacle according to claim 1, wherein the stopper is spot-welded to an inner side surface of the peripheral wall, the body portion of the stationary housing is spot-welded to an outer surface of the peripheral wall, and the stationary housing further includes an ear portion formed to extend from the body portion laterally outside the cylindrical housing.
5. The positive-reverse-insertion USB socket according to claim 1, wherein the rear end of the covering portion is bent downward to form a fixing piece for fastening the rear end face of the independent portion.
6. The reversible USB socket of claim 1, wherein each of the first and second terminal sets includes a contact portion exposed on the upper and lower surfaces of the mating tongue, a holding portion extending rearward from the contact portion and formed in the insulating body, and a solder tail extending rearward from the holding portion and exposed on the lower surface of the separate portion.
7. The reversible USB socket according to claim 4, wherein the main body of the fixing housing further has an opening to expose the spot welding area between the stopper and the cylindrical housing outside the fixing housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810914541.3A CN109038000B (en) | 2018-08-13 | 2018-08-13 | Positive reverse plug USB socket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810914541.3A CN109038000B (en) | 2018-08-13 | 2018-08-13 | Positive reverse plug USB socket |
Publications (2)
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CN109038000A CN109038000A (en) | 2018-12-18 |
CN109038000B true CN109038000B (en) | 2020-09-25 |
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Family Applications (1)
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CN201810914541.3A Active CN109038000B (en) | 2018-08-13 | 2018-08-13 | Positive reverse plug USB socket |
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CN (1) | CN109038000B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111384611B (en) | 2018-12-28 | 2023-07-18 | 富誉电子科技(淮安)有限公司 | Electric connector and manufacturing method thereof |
CN110444984B (en) * | 2019-08-09 | 2024-04-05 | 深圳市禹硕精密组件有限公司 | Waterproof TYPE C male head structure of planar blanking terminal and manufacturing method |
CN110718788B (en) * | 2019-10-25 | 2020-12-08 | 东莞市信为兴电子有限公司 | Manufacturing method of type-c female seat |
CN112825398B (en) * | 2019-11-20 | 2022-11-25 | 维沃移动通信有限公司 | Positive reverse plug USB socket |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203942104U (en) * | 2014-02-21 | 2014-11-12 | 番禺得意精密电子工业有限公司 | Butt connector |
CN205429282U (en) * | 2015-12-18 | 2016-08-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
CN105490059B (en) * | 2016-01-13 | 2018-09-28 | 深圳市长盈精密技术股份有限公司 | Positive anti-plug USB socket |
CN105609989A (en) * | 2016-04-12 | 2016-05-25 | 深圳市长盈精密技术股份有限公司 | Socket connector |
CN205828790U (en) * | 2016-06-17 | 2016-12-21 | 东莞昆嘉电子有限公司 | The USB Type C socket connector of contact engaging and separating force can be strengthened |
CN207269075U (en) * | 2016-12-15 | 2018-04-24 | 番禺得意精密电子工业有限公司 | Electric connector |
CN106898902B (en) * | 2017-03-23 | 2020-04-14 | 启东乾朔电子有限公司 | Electrical connector |
CN206834410U (en) * | 2017-06-01 | 2018-01-02 | 深圳市长盈精密技术股份有限公司 | The positive and negative plugging electric connector of waterproof |
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2018
- 2018-08-13 CN CN201810914541.3A patent/CN109038000B/en active Active
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