CN204167634U - Level Four earphone contact pin - Google Patents
Level Four earphone contact pin Download PDFInfo
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- CN204167634U CN204167634U CN201420653720.3U CN201420653720U CN204167634U CN 204167634 U CN204167634 U CN 204167634U CN 201420653720 U CN201420653720 U CN 201420653720U CN 204167634 U CN204167634 U CN 204167634U
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Abstract
The utility model provides a kind of level Four earphone contact pin, the insulating barrier comprising coaxial four sheathed successively metalworks and be arranged between four metalworks, four metalwork ecto-entads are followed successively by first order metalwork, second level metalwork, third level metalwork and fourth stage metalwork, it is characterized in that, also comprise and be arranged on the fourth stage insulating barrier of first order metalwork near the side of tail end and plastic cement round platform, wherein, fourth stage insulating barrier is arranged between plastic cement round platform and the first metalwork; The diameter of plastic cement round platform is greater than the diameter of fourth stage insulating barrier.The leakage of current situation utilizing above-mentioned level Four earphone contact pin can avoid user to occur when using dissimilar mobile phone products, can not cause damage to the health of user and other equipment.
Description
Technical field
The utility model relates to earphone manufacturing technology field, more specifically, relates to a kind of level Four earphone contact pin for receiving electronic signal.
Background technology
Earphone is as one of indispensable accessory in current various video and audio electronic product (such as computer, phone, MP3 etc.), be mainly used in listening to audio file, contact with the direct of mobile phone to avoid human body, reduce the radiation hazradial bundle that mobile phone causes human body, in addition, use earphone can also reduce the interference of ambient noise, improve the quality of audio plays or mobile phone communication.
The structure of earphone mainly comprises the reception earphone contact pin of electronic signal and the loud speaker for received electronic signal being converted to voice signal.At present, common 3.5mm level Four earphone contact pin is made up of four coaxially sheathed metalworks and insulating barrier each other, and four metalworks form at the head end of level Four earphone contact pin four electrodes as inserted terminal be arranged in order; Four metalworks form four pads as weld part for welding earphone heart yearn at the tail end of level Four earphone contact pin.The effect of insulating barrier makes four of contact pin electrodes there will not be short circuit each other, and existing level Four earphone contact pin is three insulating barriers mostly, and the thickness of insulating barrier is 0.7mm, and the contact pin fourth stage is metalwork and metal ferrule round platform.
But, because present many headset user use the mobile phone of metal shell, after general earphone contact pin is inserted, contact with mobile phone metal shell the situation that there will be short circuit as the metalwork of the contact pin fourth stage and metal round platform, thus leakage of current occurs and the problems such as damage are caused to the health of user and other equipment.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of level Four earphone contact pin, to solve leakage of current that traditional contact pin brings to cause damage problem to the health of user and other equipment.
The level Four earphone contact pin that the utility model provides, the insulating barrier comprising coaxial four sheathed successively metalworks and be arranged between four metalworks, four metalwork ecto-entads are followed successively by first order metalwork, second level metalwork, third level metalwork and fourth stage metalwork, wherein, also comprise and be arranged on the fourth stage insulating barrier of first order metalwork near the side of tail end and plastic cement round platform, wherein, fourth stage insulating barrier is arranged between plastic cement round platform and first order metalwork; The diameter of plastic cement round platform is greater than the diameter of fourth stage insulating barrier, and the thickness being arranged on the insulating barrier between first order metalwork and second level metalwork is set to 1.0mm ~ 1.5mm, and the thickness of fourth stage insulating barrier is 0.5mm ~ 1.0mm.
In addition, preferred structure is, the thickness being arranged on the insulating barrier between first order metalwork and second level metalwork is 1.4mm, and the thickness of fourth stage insulating barrier is 1.0mm.
In addition, preferred structure is, forms four pads being used for being connected with movement line at the tail end of four metalworks, and four bond pad arrangement form weld part, and the length of weld part is 4.5mm ~ 8mm,
In addition, preferred structure is, four pads arrange step by step on the length direction of earphone contact pin.
In addition, preferred structure is, the total length of earphone contact pin is 19.5mm ~ 23mm.
In addition, preferred structure is, fourth stage insulating barrier is fixedly connected with by injection moulding with plastic cement round platform.
In addition, preferred structure is, first order metalwork, second level metalwork and third level metalwork are tubular structure, and fourth stage metalwork is tubulose or solid construction.
In addition, preferred structure is, the head end of four metalworks forms four electrodes be arranged in order, the acrogenous electrode of fourth stage metalwork is positioned at the head end of level Four earphone contact pin, the outside of fourth stage metalwork is followed successively by third level metalwork electrode, second level metalwork electrode and first order metalwork electrode, wherein
Four electrodes are successively for transmitting left channel audio signal, right channel audio signal, microphone signal and ground signalling; Or four electrodes are successively for transmitting left channel audio signal, right channel audio signal, ground signalling and microphone signal.
In addition, preferred structure is, the thickness of first order metalwork electrode is 1.5mm ~ 2.0mm, and the thickness of second level metalwork electrode is 1.5mm ~ 2.3mm.
From technical scheme above, the level Four earphone contact pin that the utility model provides, the leakage of current situation that user occurs when using dissimilar product can be avoided, damage can not be caused, applied range, earphone superior performance to the health of user and other equipment, simultaneously, because the pad of this level Four earphone contact pin is comparatively large, reduce with the difficulty of welding of earphone heart yearn, thus reduce and manufacture cost.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the assembling schematic diagram of the level Four earphone contact pin according to the utility model embodiment;
Fig. 2 is the overall structure schematic diagram of the level Four earphone contact pin according to the utility model embodiment;
Fig. 3 is the sectional view at A-A place in Fig. 2.
Reference numeral wherein comprises: first order metalwork 1, first order metalwork electrode 11, first order pad 12, second level metalwork 2, second level metalwork electrode 21, second level pad 22, third level metalwork 3, third level metalwork 31, third level pad 32, fourth stage metalwork 4, fourth stage metalwork electrode 41, fourth stage pad 42, first order insulating barrier 5, second level insulating barrier 6, third level insulating barrier 7, fourth stage insulating barrier 8, plastic cement round platform 9.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
The leakage of current brought in view of aforementioned headset contact pin causes the problems such as damage to the health of user and other equipment, the utility model sets up an insulating barrier and plastic cement round platform at fourth stage metalwork rear, avoid earphone contact pin in use with the short circuit of mobile phone metal shell, increase the thickness of the insulating barrier between first order metalwork and second level metalwork simultaneously, make earphone contact pin with plug female seat assemble use time, the effect of switch can be played, simultaneously, increase the area of single pad, be convenient to the welding of heart yearn.
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1 shows the assembly structure of the level Four earphone contact pin according to the utility model embodiment.
As shown in Figure 1, the level Four earphone contact pin that the utility model provides comprises four coaxially sheathed successively metalworks of ecto-entad: first order metalwork 1, second level metalwork 2, third level metalwork 3 and fourth stage metalwork 4, wherein, first order metalwork 1, second level metalwork 2 and third level metalwork 3 are all set to tubular structure, to facilitate the sheathed installation between each metalwork, fourth stage metalwork 4 is set to tubulose or solid construction.
After sheathed installation, the head end (namely inserting one end of outside female seat) of four metalworks forms four electrodes be arranged in order, and is respectively first order metalwork electrode, second level metalwork electrode, third level metalwork electrode and fourth stage metalwork electrode.Wherein, fourth stage metalwork electrode is positioned at the head end of level Four earphone contact pin, that is fourth stage metalwork electrode be positioned at level Four earphone contact pin insert external equipment time foremost, be followed successively by fourth stage metalwork electrode, third level metalwork electrode, second level metalwork electrode and first order metalwork electrode from front to back, four pads for welding earphone heart yearn are formed at the tail end of four metalworks, these four pads adopt the mode arranged step by step to arrange on the length direction of level Four earphone contact pin, and arrangement forms the weld part of earphone contact pin.
In an execution mode of the present utility model, the thickness of first order metalwork electrode is 1.5mm ~ 2.0mm, the thickness of second level metalwork electrode is 1.5mm ~ 2.3mm, and the cut to lengthen of weld part is at 4.5mm ~ 8mm, and the total length of earphone contact pin can reach 19.5mm ~ 23mm.
The electrode of above-mentioned four metalworks is respectively used to transmit left channel audio signal, right channel audio signal, microphone signal and ground signalling, and according to concrete wiring condition, the tandem of four electrodes can not be identical.In the level Four earphone contact pin that the utility model provides, fourth stage metalwork electrode, third level metalwork electrode, second level metalwork electrode and first order metalwork electrode are respectively used to transmit left channel audio signal, right channel audio signal, microphone signal and ground signalling; Or, successively for transmitting left channel audio signal, right channel audio signal, ground signalling and microphone signal.
Further, the insulating barrier for isolating four metalworks is provided with between metalwork at different levels, comprise the third level insulating barrier being arranged on first order insulating barrier between fourth stage metalwork and third level metalwork, being arranged on the second level insulating barrier between third level metalwork and second level metalwork and being arranged between second level metalwork and first order metalwork, in addition, in use procedure, earphone contact pin and mobile phone metal shell are short-circuited phenomenon, are also provided with the 4th insulating barrier and plastic cement round platform at first order metalwork 1 near the side of tail end.Wherein, fourth stage insulating barrier is arranged between first order metalwork 1 and plastic cement round platform, the diameter of plastic cement round platform is greater than the diameter of fourth stage insulating barrier, by plastic cement round platform, first order metalwork and external metallization equipment are isolated, level Four earphone contact pin is avoided to be short-circuited with external metallization shell in use, wherein, fourth stage insulating barrier is fixedly connected with by injection moulding with plastic cement round platform, the thickness of fourth stage insulating barrier is 0.5mm ~ 1.0mm, the thickness that namely 3rd insulating barrier is arranged on the insulating barrier between first order metalwork and second level metalwork is 1.0mm ~ 1.5mm, the thickness of plastic cement round platform changes with different product requirements.
In addition, the assembling for the ease of the plug bus of earphone and charging wire uses, and should increase the thickness of the 3rd insulating barrier.In an embodiment of the present utility model, the thickness of third level insulating barrier and the insulating barrier between first order metalwork and second level metalwork is set to 1.4mm, the thickness of fourth stage insulating barrier is set to 1.0mm, and the third level insulating barrier of this increase can play the effect of switch.Meanwhile, for the ease of welding heart yearn, can also increase the area of single pad, adopt the mode that four pads arrange step by step on earphone contact pin length direction, the total length of earphone contact pin can reach 19.5mm ~ 23mm.
Particularly, Fig. 2 shows the overall structure of the level Four earphone contact pin according to the utility model embodiment.
As shown in Figure 2, the level Four earphone contact pin that the utility model provides, comprise four coaxially sheathed metalworks and for the insulating barrier of isolating between four metalworks, four metalwork ecto-entads are followed successively by first order metalwork, second level metalwork, third level metalwork and fourth stage metalwork, wherein, first three grade of metalwork is tubular structure, and fourth stage metalwork can be tubular structure also can be solid construction.
Four electrodes of head end by being arranged in order before and after insulator separation formation of four metalworks: first order metalwork electrode 11, second level metalwork electrode 21, third level metalwork electrode 31 and fourth stage metalwork electrode 41, fourth stage metalwork electrode 41 is positioned at the head end of level Four earphone contact pin, namely level Four earphone contact pin foremost, be followed successively by third level metalwork electrode 31 from front to back, second level metalwork electrode 21 and first order metalwork electrode 11, in the execution mode that this practicality is new, the thickness of first order metalwork electrode is 1.5mm ~ 2.0mm, the thickness of second level metalwork electrode is 1.5mm ~ 2.3mm.
Wherein, insulating barrier comprises and is arranged on first order insulating barrier 5 between fourth stage metalwork electrode 41 and third level metalwork electrode 31, is arranged on second level insulating barrier 6 between third level metalwork electrode 31 and second level metalwork electrode 21, is arranged on third level insulating barrier 7 between second level metalwork electrode 21 and first order metalwork electrode 11, in addition, also comprise and be arranged on the fourth stage insulating barrier 8 of first order metalwork near tail end side.And, plastic cement round platform 9 is also provided with in the side deviating from first order metalwork of fourth stage insulating barrier 8, that is, plastic cement round platform 9 is arranged on the side of the 4th insulating barrier away from level Four earphone contact pin head end, be fixedly connected with by injection moulding between plastic cement round platform 9 with fourth stage insulating barrier 8, wherein, the diameter of plastic cement round platform is slightly larger than the diameter of fourth stage insulating barrier, excessively insert female seat to avoid user when using dissimilar mobile phone products and cause leakage of current, and then the problems such as damage are caused to the health of user and other equipment.
Tradition level Four earphone contact pin is mostly 3 insulating barriers, the thickness of insulating barrier is 0.7mm, the fourth stage of contact pin is metalwork or metal round platform, when user uses the mobile phone of metal shell, after plugged earphone contact pin, contact pin fourth stage metalwork and metal round platform contact with mobile phone metal shell and there will be short circuit phenomenon.In the utility model, set up fourth stage insulating barrier 8 and plastic cement round platform 9 in the outside of first order metalwork 1 again, and increase the thickness of third level insulating barrier 7, can effectively avoid above-mentioned defect.
Further, in order to control the total length of level Four earphone contact pin, the thickness of the insulating barrier be arranged between first order metalwork and second level metalwork is set to 1.0mm ~ 1.5mm, the thickness of fourth stage insulating barrier is set to 0.5mm ~ 1.0mm.In an embodiment of the present utility model, the thickness of third level insulating barrier 7 is increased to 1.4mm, the thickness of first order insulating barrier 5 and second level insulating barrier 6 is set to 0.7mm, the thickness of fourth stage insulating barrier 8 is 1.0mm, and the thickness of plastic cement round platform 9 can change with different product requirements.
The tail end of four metalworks forms four pads being used for being connected with movement line, is respectively: first order pad 12, second level pad 22, third level pad 32 and fourth stage pad 42.These four pads are arranged in order formation weld part, and in the utility model, the cut to lengthen of weld part is at 4.5mm ~ 8mm, make the total length of earphone contact pin reach 19.5mm ~ 23mm, to increase the thickness of pad, facilitate the welding of injection moulding and heart yearn.
In order to the nest relation of more detailed description four pads, Fig. 3 shows the cross section structure at A-A place in Fig. 2.
As shown in Figure 3, from level Four earphone contact pin center outwards according to being fourth stage pad 42, third level pad 32, second level pad 22 and first order pad 12, it is larger that each pad all does, and four pads adopt the mode arranged step by step to arrange on the length direction of earphone contact pin, make the cut to lengthen of weld part at 4.5mm ~ 8mm, the total length of earphone contact pin can reach 19.5mm ~ 23mm.
In an embodiment of the present utility model, fourth stage metalwork electrode 41, third level metalwork electrode 31, second level metalwork electrode 21 are respectively used to transmit left channel audio signal, right channel audio signal, microphone signal and ground signalling with first order metalwork electrode 11; Or, successively for transmitting left channel audio signal, right channel audio signal, ground signalling and microphone signal.
Can be found out by above-mentioned execution mode, the leakage of current situation that the level Four earphone contact pin that the utility model provides can avoid user to occur when using dissimilar product, damage can not be caused to the health of user and other equipment, applied range, earphone superior performance, meanwhile, the pad of earphone contact pin is larger, reduce with the difficulty of welding of earphone heart yearn, thus effectively can reduce and manufacture cost.
The level Four earphone contact pin according to the utility model proposes is described in an illustrative manner above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the level Four earphone contact pin that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (9)
1. a level Four earphone contact pin, the insulating barrier comprising coaxial four sheathed successively metalworks and be arranged between described four metalworks, described four metalwork ecto-entads are followed successively by first order metalwork, second level metalwork, third level metalwork and fourth stage metalwork, it is characterized in that, also comprise and be arranged on the fourth stage insulating barrier of described first order metalwork near the side of tail end and plastic cement round platform, wherein
Described fourth stage insulating barrier is arranged between described plastic cement round platform and described first order metalwork;
The diameter of described plastic cement round platform is greater than the diameter of described fourth stage insulating barrier;
The thickness being arranged on the insulating barrier between described first order metalwork and described second level metalwork is 1.0mm ~ 1.5mm, and the thickness of described fourth stage insulating barrier is 0.5mm ~ 1.0mm.
2. level Four earphone contact pin as claimed in claim 1, is characterized in that,
The thickness being arranged on the insulating barrier between described first order metalwork and described second level metalwork is 1.4mm, and the thickness of described fourth stage insulating barrier is 1.0mm.
3. level Four earphone contact pin as claimed in claim 1, is characterized in that,
Form four pads being used for being connected with movement line at the tail end of described four metalworks, described four bond pad arrangement form weld part, and the length of described weld part is 4.5mm ~ 8mm.
4. level Four earphone contact pin as claimed in claim 3, is characterized in that,
Described four pads arrange step by step on the length direction of described earphone contact pin.
5. level Four earphone contact pin as claimed in claim 1, is characterized in that,
The total length of described earphone contact pin is 19.5mm ~ 23mm.
6. level Four earphone contact pin as claimed in claim 1, is characterized in that,
Described fourth stage insulating barrier is fixedly connected with by injection moulding with described plastic cement round platform.
7. level Four earphone contact pin as claimed in claim 1, is characterized in that,
Described first order metalwork, second level metalwork and third level metalwork are tubular structure, and described fourth stage metalwork is tubulose or solid construction.
8. level Four earphone contact pin as claimed in claim 1, is characterized in that,
The head end of described four metalworks forms four electrodes be arranged in order, the acrogenous electrode of described fourth stage metalwork is positioned at the head end of described level Four earphone contact pin, the outside of described fourth stage metalwork is followed successively by third level metalwork electrode, second level metalwork electrode and first order metalwork electrode, wherein
Described four electrodes are successively for transmitting left channel audio signal, right channel audio signal, microphone signal and ground signalling; Or,
Described four electrodes are successively for transmitting left channel audio signal, right channel audio signal, ground signalling and microphone signal.
9. level Four earphone contact pin as claimed in claim 8, is characterized in that,
The thickness of described first order metalwork electrode is 1.5mm ~ 2.0mm, and the thickness of described second level metalwork electrode is 1.5mm ~ 2.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653720.3U CN204167634U (en) | 2014-11-04 | 2014-11-04 | Level Four earphone contact pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653720.3U CN204167634U (en) | 2014-11-04 | 2014-11-04 | Level Four earphone contact pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167634U true CN204167634U (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653720.3U Active CN204167634U (en) | 2014-11-04 | 2014-11-04 | Level Four earphone contact pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167634U (en) |
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2014
- 2014-11-04 CN CN201420653720.3U patent/CN204167634U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |