CN106229722A - A kind of plug for mobile audio interface - Google Patents
A kind of plug for mobile audio interface Download PDFInfo
- Publication number
- CN106229722A CN106229722A CN201610792388.2A CN201610792388A CN106229722A CN 106229722 A CN106229722 A CN 106229722A CN 201610792388 A CN201610792388 A CN 201610792388A CN 106229722 A CN106229722 A CN 106229722A
- Authority
- CN
- China
- Prior art keywords
- electrode
- tail end
- plug
- insulating barrier
- audio interface
- 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
- 230000004888 barrier function Effects 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 238000010030 laminating Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 2
- 210000001215 vagina Anatomy 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
-
- 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
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/16—Connectors or connections adapted for particular applications for telephony
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention relates to Cellphone Accessories technical field, particularly relate to the design of a kind of plug for mobile audio interface.Including first to fourth electrode and the first to the 3rd insulating barrier; first to fourth electrode is exposed to surface successively in header body from top to tail end; within second electrode tail end, the 3rd electrode tail end and the first electrode are reduced to the 4th electrode by the present invention; highly shortened the length of plug tail end on the basis of original, the 4th electrode itself also serves protective effect to other electrode tail ends simultaneously.It is known that object length is the longest more easily bends, and the plug tail end of original structure is from the coarse to fine, is therefore easier in use because fractureing damage, has a strong impact on plug service life.After using the technical program, plug length substantially shortens, and is at best able to general short 8 10mm of electronic components plug of ratio, more convenient use.The more difficult damage of plug simultaneously, effectively extends the service life of plug.
Description
Technical field
The present invention relates to Cellphone Accessories technical field, particularly relate to setting of a kind of plug for mobile audio interface
Meter.
Background technology
Existing mobile phone external accessory, such as earphone and self-shooting bar, provisioned is used for inserting the plug of mobile audio interface,
Structure is the most similar, including the annular sheet metal that several are exposed, is separated by insulant between sheet metal, and sheet metal is mutual
Between insulate.For the plug of level Four, as a example by the headset plug of common level Four, the middle part of the 4th electrode is typically provided with platform
Stage structure, the tail end of the 3rd electrode stretches out the tail end of the 4th electrode, and the tail end of the second electrode stretches out the tail end of the 3rd electrode, and first
The tail end of electrode stretches out the tail end of the second electrode.Hence in so that general plug tail end length is nearly 10mm, cause earphone overall
Volume is relatively big, the most easily contained, and owing to plug tail end is longer, is easily broken off damaging.
Summary of the invention
The present invention is directed to the shortcoming that in prior art, plug tail end is long, it is provided that a kind of inserting for mobile audio interface
Head.
Plug construction common in the art is the tail end that the tail end of the 3rd electrode stretches out the 4th electrode, the second electrode
Tail end stretches out the tail end of the 3rd electrode, and the tail end of the first electrode stretches out the tail end of the second electrode, and final plug tail end is outstanding.
Hence in so that general plug tail end length is nearly 10mm, storage inconvenience.It is known that object length is the longest more easily bends,
And the plug tail end of original structure is from the coarse to fine, being therefore easier in use because fractureing damage, having a strong impact on plug and making
Use the life-span.And the technology of existing shortening plug tail end length still the most structurally makes big innovation, it is only will be every
The contraction in length of one electrode.The present invention solves owing to plug tail end is long, the use inconvenience caused, it is difficult to storage,
And the problem being easily damaged, in present design, the 4th electrode length is constant, by the second electrode tail end, the 3rd electrode tail end and
Within first electrode tail end is reduced to the 4th electrode, changes the structure of plug tail end, highly shortened on the basis of original
The length of plug tail end, and the holding of tail end diameter is constant, and the 4th electrode itself also serves guarantor to other electrode tail ends simultaneously
Protect effect.After using the technical program, plug length substantially shortens, more convenient use, simultaneously the more difficult damage of plug, effectively
The service life extending plug.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of plug for mobile audio interface, including audio jack main body and insert cap, audio jack main body includes
First electrode, the second electrode, the 3rd electrode, the 4th electrode, the first insulating barrier, the second insulating barrier and the 3rd insulating barrier；First electricity
It is the first insulating barrier between pole and the second electrode, is the second insulating barrier between the second electrode and the 3rd electrode, the 3rd electrode and
It it is the 3rd insulating barrier between four electrodes；First electrode tip is top, and insert cap is tail end, and the first electrode to the 4th electrode is at audio frequency
Header body is exposed to surface successively from top to tail end.First electrode tail end, the second electrode tail end, the 3rd electrode tail end and the 4th
Electrode tail end flushes.This is designed to effectively shorten plug length, is at best able to than the general short 8-10mm of electronic components plug.
As preferably, the first insulating barrier tail end and the second electrode tail end flush, the second insulating barrier tail end and the 3rd electrode tail
End flushes, and the 3rd insulating barrier tail end and the 4th electrode tail end flush.Dielectric protection layer electrode tail end does not bends, it is ensured that electrode
Between mutually insulated.
As preferably, the second electrode tail end exceeds the first insulating barrier tail end, and the 3rd electrode tail end exceeds the second insulating barrier tail
End, the 4th electrode tail end exceeds the 3rd insulating barrier tail end.Electrode tail end exceeds insulating barrier, is connected more convenient with pcb board.
As preferably, the first electrode tip is electrode block, and tail end is metal needle, a diameter of 0.5-0.8mm of metal needle.Metal
Pin is transmitted to plug tail end for the signal received by electrode block, it is simple to and wire connection, this design is compared and is directly used wire
Being connected to the first electrodes block, technique is simple, and wire connects more convenient.
As preferably, the second electrode is funnel-shaped metal pipe, and top end diameter is 3.5mm, a diameter of 1.2-1.8mm of tail end；
3rd electrode is funnel-shaped metal pipe, and top end diameter is 3.5mm, a diameter of 2.2-2.6mm of tail end.General earphone audio interface is straight
Footpath is 3.5mm, and therefore the second electrode tip exposed part is also 3.5mm, is affixed with audio interface inwall, is used for receiving signal；
In view of to be other electrode tail ends and between insulating barrier retaining space, the second a diameter of 1.2-1.8mm of electrode tail end compares
Properly, the 3rd electrode tail end is straight
As preferably, audio jack body top includes the first electrodes block and collets, and plug tip side is exhausted
Edge block, remaining is electrode block, or relative both sides are collets, additionally relative to both sides be electrode block.Collets can be
The electrode of audio interface inwall and the electrode isolation on plug, can play the effect of switch by rotating plug.General mobile phone
Audio interface inwall both sides are designed with electrode, and the mobile audio interface inwall that market exists some brand only has side to have electricity
Pole, therefore in the face of different audio interface, can there be different designs on audio jack body top.
As preferably, the 4th electrode tail end connects insert cap, has eyeglass groove inside insert cap, and eyeglass groove places eyeglass,
Having anti-slip veins outside insert cap, the height of insert cap is less than or equal to 5mm.Eyeglass plays waterproof sealing effect, due to plug length
Shortening, anti-slip veins to be arranged makes it easy to take.
As preferably, the first electrode to the 4th electrode is connected with outer lead by pcb board.Pcb board is provided with the first gold medal
Belong to sheet, the second quoit, the 3rd quoit, the 4th quoit and connecting hole；First sheet metal and the laminating of the first electrode tail end, the
Two quoits and the laminating of the second electrode tail end, the 3rd quoit and the laminating of the 3rd electrode tail end, the 4th quoit and the 4th electrode
Laminating.Outer pipe fitting is connected with metal part on pcb board by connecting hole.Present configuration is unique, it is impossible to connection originally
The mode of plug connects, and therefore selects the connection using pcb board to carry out plug and other part.Design exclusively for the present invention
Pcb board can fit the end construction of the present invention, ensure the smooth and easy and stable of signal circulation simultaneously.
As preferably, outside the 4th electrode, it is provided with ring-shaped step structure.Ring-shaped step structure plays position-limiting action, makes plug
The scope of application more extensive.
Due to the fact that and have employed above technical scheme there is significant technique effect: using the present invention, plug length is bright
Aobvious shortening, uses convenient, is more not easy to damage, and does not affect signal circulating function originally simultaneously.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 internal structure schematic diagram.
Fig. 2 is external structure schematic diagram of the present invention.
Fig. 3 is the embodiment of the present invention 1 apex structure schematic diagram.
Fig. 4 is the embodiment of the present invention 1 end construction schematic diagram.
Fig. 5 is the embodiment of the present invention 1 external pcb board schematic diagram.
Fig. 6 is the embodiment of the present invention 2 apex structure schematic diagram.
The toponym that in the figures above, each number designation is referred to is as follows: wherein, 1 first electrode, 2 second electricity
Pole, 3 the 3rd electrodes, 4 the 4th electrodes, 11 electrode blocks, 12 collets, 13 first electrode tail ends, 21 second electricity
Pole tail end, 31 the 3rd electrode tail ends, 41 the 4th electrode tail ends, 5 insert caps, 51 eyeglass grooves, 6 the 3rd insulating barriers,
7 second insulating barriers, 8 first insulating barriers, 9 pcb boards, 91 first sheet metals, 92 second quoits, 93 the 3rd gold medals
Belong to circle, 94 the 4th quoits, 95 connecting holes.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, a kind of plug for mobile audio interface, including audio jack main body and insert cap 5, audio frequency is inserted
Head main body includes first electrode the 1, second electrode 2, the 3rd electrode 3, the 4th electrode the 4, first insulating barrier the 8, second insulating barrier 7 and
Three insulating barriers 6.It is the first insulating barrier 8 between first electrode 1 and the second electrode 2, is between the second electrode 2 and the 3rd electrode 3
Two insulating barriers 7, are the 3rd insulating barrier 6 between the 3rd electrode 3 and the 4th electrode 4.First electrode 1 end is top, and insert cap 5 is tail
End, the first electrode 1 to the 4th electrode 4 is exposed to surface successively at audio jack body from top to tail end.First electrode tail end 11,
Second electrode tail end the 21, the 3rd electrode tail end 31 and the 4th electrode tail end 41 flush.First electrode 1 front end is electrode block, tail end
For metal needle, the second electrode 2 and the 3rd electrode 3 are funnel-shaped metal pipe, and top end diameter is 3.5mm, and tail end diameter is more straight than top
Footpath is little.Eyeglass groove 51 is had on insert cap 5.Second electrode tail end 21 flushes with the first insulating barrier 8 tail end or beyond the first insulating barrier 8
Tail end, the 3rd electrode tail end 31 flushes with the second insulating barrier 7 tail end or beyond the second insulating barrier 7 tail end, the 4th electrode tail end 41
Flush with the 3rd insulating barrier 6 tail end or beyond the 3rd insulating barrier 6 tail end.This is designed to effectively shorten plug length, multipotency
Enough than the general short 8-10mm of electronic components plug.
As in figure 2 it is shown, the first electrode 1 to the 4th electrode 4 is exposed to surface successively at audio jack body from top to tail end,
Exposed portion was around audio jack body one week, in circular.Being separated by insulating barrier between each electrode, insulating barrier exposed portion is also
In circular.4th electrode tail end 41 connects insert cap 5, has anti-slip veins, the height of insert cap 5 to be less than outside insert cap 5
In 5mm.Owing to plug length shortens, anti-slip veins to be arranged makes it easy to take.User takes insert cap 5 have anti-by pinching
The part of sliding stricture of vagina carries out the plug of plug.It is provided with ring-shaped step structure outside 4th electrode 4, plays position-limiting action.
As it is shown on figure 3, audio jack body top includes the first electrodes block 11 and collets 12.At the present embodiment
In, side, audio jack body top is collets 12, and remaining is electrode block 11, and collets 12 can be audio interface inwall
Electrode and the electrode isolation on plug, can play the effect of switch by rotating plug.General mobile audio interface inwall two
Side is designed with electrode, and the mobile audio interface inwall that market exists some brand only has side to have electrode, therefore in the face of different
Audio interface, can there be different designs on audio jack body top.
As shown in Figure 4, figure bend represents insulating barrier.It is the first insulating barrier 8 between first electrode 1 and the second electrode 2, the
It is the second insulating barrier 7 between two electrodes 2 and the 3rd electrode 3, is the 3rd insulating barrier 6 between the 3rd electrode 3 and the 4th electrode 4.The
One electrode tail end the 13, second electrode tail end the 21, the 3rd electrode tail end 31 and the 4th electrode tail end 41 flush.On the horizontal plane formed
Electrode appears with insulating barrier one after the other from inside to outside.
As it is shown in figure 5, the present invention is a kind of plug for mobile audio interface, to be connected with other parts during assembling
To signal transfer functions.Present configuration is unique, it is impossible to connect by the mode connecting plug originally, therefore selects to use
Pcb board 9 carries out the connection of plug and other part.Pcb board 9 is provided with first sheet metal the 91, second quoit the 92, the 3rd gold medal
Belong to circle the 93, the 4th quoit 94 and connecting hole 95；First sheet metal 91 is fitted with the first electrode tail end 13, the second quoit 92 with
Second electrode tail end 21 is fitted, and the 3rd quoit 93 is fitted with the 3rd electrode tail end 31, and the 4th quoit 94 and the 4th electrode 4 paste
Close.Outer pipe fitting is connected with metal part on pcb board by connecting hole 95.
Embodiment 2
The embodiment of the present invention 2 is in addition to audio jack body tip designs, and remainder is all identical with the embodiment of the present invention 1.
As shown in Figure 6, audio jack body top includes the first electrodes block 11 and collets 12.The present embodiment middle pitch
Frequently the both sides that header body top is relative are collets 12, additionally relative to both sides be electrode block 11.Collets 12 can be sound
Frequently the electrode of interface inwall and the electrode isolation on plug, can play the effect of switch by rotating plug.General mobile phone sound
Frequently interface inwall both sides are designed with electrode, and the mobile audio interface inwall that market exists some brand only has side to have electrode,
Therefore in the face of different audio interface, can there be different designs on audio jack body top.
In a word, the foregoing is only presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent
Change and modification, all should belong to the covering scope of patent of the present invention.
Claims (9)
1., for a plug for mobile audio interface, including audio jack main body and insert cap (5), audio jack main body includes
First electrode (1), the second electrode (2), the 3rd electrode (3), the 4th electrode (4), the first insulating barrier (8), the second insulating barrier (7) and
3rd insulating barrier (6)；It is the first insulating barrier (8) between first electrode (1) and the second electrode (2), the second electrode (2) and the 3rd electricity
It is the second insulating barrier (7) between pole (3), is the 3rd insulating barrier (6) between the 3rd electrode (3) and the 4th electrode (4)；First electrode
(1) end is for top, and insert cap (5) is tail end, the first electrode (1) to the 4th electrode (4) at audio jack body from top to tail
End is exposed to surface successively；It is characterized in that: the first electrode tail end (11), the second electrode tail end (21), the 3rd electrode tail end (31)
Flush with the 4th electrode tail end (41).
A kind of plug for mobile audio interface, it is characterised in that: the first insulating barrier (8) tail
End flushes with the second electrode tail end (21), and the second insulating barrier (7) tail end and the 3rd electrode tail end (31) flush, the 3rd insulating barrier
(6) tail end and the 4th electrode tail end (41) flush.
A kind of plug for mobile audio interface, it is characterised in that: the second electrode tail end (21)
Beyond the first insulating barrier (8) tail end, the 3rd electrode tail end (31) exceeds the second insulating barrier (7) tail end, the 4th electrode tail end (41)
Beyond the 3rd insulating barrier (6) tail end.
A kind of plug for mobile audio interface, it is characterised in that: the first electrode (1) top
For electrode block (11), tail end is metal needle, a diameter of 0.5-0.8mm of metal needle.
A kind of plug for mobile audio interface, it is characterised in that: the second electrode (2) is leakage
Bucket shape metal tube, top end diameter is 3.5mm, a diameter of 1.2-1.8mm of tail end；3rd electrode (3) is funnel-shaped metal pipe, top
A diameter of 3.5mm, a diameter of 2.2-2.6mm of tail end.
A kind of plug for mobile audio interface, it is characterised in that: audio jack body top
Including the first electrodes block (11) and collets (12), side, audio jack body top is collets (12), and remaining is electricity
Pole block (11), or relative both sides are collets (12), additionally relative to both sides be electrode block (11).
A kind of plug for mobile audio interface, it is characterised in that: the 4th electrode tail end (41)
Being provided with insert cap (5), there is eyeglass groove (51) insert cap (5) inner side, and eyeglass groove (51) places eyeglass, and insert cap (5) outside has anti-
Sliding stricture of vagina, the height of insert cap (5) is less than or equal to 5mm.
A kind of plug for mobile audio interface, it is characterised in that: the first electrode (1) to
Four electrodes (4) are connected with exterior part by pcb board (9), and pcb board (9) is provided with the first sheet metal (91), the second quoit
(92), the 3rd quoit (93), the 4th quoit (94) and connecting hole (95)；First sheet metal (91) and the first electrode tail end
(13) laminating, the second quoit (92) and the second electrode tail end (21) laminating, the 3rd quoit (93) and the 3rd electrode tail end
(31) laminating, the 4th quoit (94) and the laminating of the 4th electrode (4).Outer pipe fitting is by the upper gold of connecting hole (95) and pcb board (9)
Belong to part to connect.
A kind of plug for mobile audio interface, it is characterised in that: the 4th electrode (4) outside
It is provided with ring-shaped step structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792388.2A CN106229722B (en) | 2016-08-31 | 2016-08-31 | A kind of plug for mobile audio interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792388.2A CN106229722B (en) | 2016-08-31 | 2016-08-31 | A kind of plug for mobile audio interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229722A true CN106229722A (en) | 2016-12-14 |
| CN106229722B CN106229722B (en) | 2019-05-17 |
Family
ID=58075386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792388.2A Expired - Fee Related CN106229722B (en) | 2016-08-31 | 2016-08-31 | A kind of plug for mobile audio interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229722B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2461104C2 (en) * | 2010-12-13 | 2012-09-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" | Heat-resistant sealed plug and its mounting method |
| CN203574827U (en) * | 2013-10-30 | 2014-04-30 | 西安蓝钻电子科技有限公司 | Short-tail earphone plug |
| CN103943989A (en) * | 2014-04-04 | 2014-07-23 | 刘斌 | Anti-disengaging short-circuit-controllable plug and forming process thereof |
| CN203787317U (en) * | 2014-01-22 | 2014-08-20 | 哈尔滨艺佳化工有限公司 | Mobile phone fast button |
| CN205231290U (en) * | 2015-12-11 | 2016-05-11 | 东莞市瀛通电线有限公司 | Audio frequency contact pin with cartridge PCB board |
| CN206076558U (en) * | 2016-08-31 | 2017-04-05 | 陈绍建 | A kind of plug for mobile audio interface |
-
2016
- 2016-08-31 CN CN201610792388.2A patent/CN106229722B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2461104C2 (en) * | 2010-12-13 | 2012-09-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" | Heat-resistant sealed plug and its mounting method |
| CN203574827U (en) * | 2013-10-30 | 2014-04-30 | 西安蓝钻电子科技有限公司 | Short-tail earphone plug |
| CN203787317U (en) * | 2014-01-22 | 2014-08-20 | 哈尔滨艺佳化工有限公司 | Mobile phone fast button |
| CN103943989A (en) * | 2014-04-04 | 2014-07-23 | 刘斌 | Anti-disengaging short-circuit-controllable plug and forming process thereof |
| CN205231290U (en) * | 2015-12-11 | 2016-05-11 | 东莞市瀛通电线有限公司 | Audio frequency contact pin with cartridge PCB board |
| CN206076558U (en) * | 2016-08-31 | 2017-04-05 | 陈绍建 | A kind of plug for mobile audio interface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106229722B (en) | 2019-05-17 |
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Granted publication date: 20190517 |