CN205488658U - Headphone plug connector - Google Patents

Abstract

The utility model provides a headphone plug connector which accords with USB type C size and two rows of terminal definition. First row of conductive terminal includes the A5 -A8 terminal, and the second is arranged conductive terminal and is included B12, B8, B5 terminal. The contact site of A5 -A8 terminal is arranged in the first internal face of acceping the chamber according to the preface, the contact site of B12, B8, B5 terminal is arranged in the second internal face of acceping the chamber according to the preface, the first surface in the cable backup pad is arranged according to the preface to the pin of B8, A6, A7, A8 terminal, the second surface in the cable backup pad is arranged according to the preface to the pin of B12, A5, B5 terminal, the pin of A6, A7 terminal is migrated and is become to distinguish a left side / R channel in the engaging lug machine, the pin of B8, A8 terminal is migrated and is become to distinguish the microphone / ground connection in the engaging lug machine, the first connecting portion of resistance are connected simultaneously the pin of B5, A5 terminal, the second connecting portion are connected the pin of B12 terminal. The utility model discloses a conductive terminal pin when satisfying audio signal transmission, still realize simplifying with being connected of cable.

Description

Headset plug adapter

[technical field]

This utility model relates to a kind of headset plug adapter.

[background technology]

On August 11st, 2014, USB association discloses a kind of novel electric connector, its pin connector positive and negative both direction can insert corresponding socket connector, and this socket connector can transmit USB2.0 and USB3.1 signal, this adapter named USB Type C adapter.The news reported according to current industry, this electric connector is follow-up has bigger development potentiality, in coupled system manufacturer of each adapter manufacturer active development.The USB Type C pin connector being connected with cable has the full needle construction of transmission USB3.0 or 3.1, also there is the scarce needle construction of transmission USB2.0, this scarce needle construction is that four pairs of differential pair terminals in full needle construction are extracted or are not provided with, USB 2.0 Type C pin connector the most still remains with 12 or the terminal of 11, number of terminals is more, needing to be transferred to cable by sub-circuit board, relative cost is higher.

Estimating that USB Type C connects in addition to transmission usb signal, it is also possible to be used in other purposes, the such as signal such as video, audio frequency, in specifications disclosed in USB association, also how specification carries out the terminal definition of audio conversion simultaneously.But in actual development, wish also to be able to reduce manufacturing cost while meeting signal transmission.

It is therefore desirable to develop a kind of lower-cost headset plug adapter.

[utility model content]

Technical problem to be solved in the utility model is to provide a kind of headset plug adapter, and it can substitute existing headset plug adapter.

For solving above-mentioned technical problem, this utility model can adopt the following technical scheme that a kind of headset plug adapter, it meets USB Type C size and the definition of two row's terminals, described two row's terminal definition have from A1 to the A12 terminal of the same side sequential and B12 to B1 terminal, and two row's terminals align the most one by one；Described pin connector includes insulating body, first row conducting terminal, second row conducting terminal and resistance；Described insulating body is provided with the docking chamber run through forward and the cable support plate being positioned at rear end, described docking chamber has the first relative internal face and the second internal face, and the definition of described cable support plate has the first surface corresponding with first, second internal face and second surface；Each conducting terminal in described first, second row's conducting terminal includes pars intermedia, extends forwardly to the contact site docking chamber and the pin extended back from pars intermedia from pars intermedia；Described first row conducting terminal includes that A5, A6, A7, A8 terminal, described second row conducting terminal include B12, B8, B5 terminal；The contact site sequential of described A5, A6, A7, A8 terminal is in the first internal face of host cavity, and the contact site sequential of described B12, B8, B5 terminal is in the second internal face of host cavity；The pin sequential of described B8, A6, A7, A8 terminal is at the first surface of cable gripper shoe, and the pin sequential of described B12, A5, B5 terminal is at the second surface of cable gripper shoe；The pin of described A6, A7 terminal converts into the left/right sound channel in difference engaging lug machine, and the pin of described B8, A8 terminal converts into the mike/ground connection in difference engaging lug machine；Described resistance includes the first connecting portion and the second connecting portion, and the first connecting portion is simultaneously connected with the pin of B5, A5 terminal, and the second connecting portion connects the pin of B12 terminal.

Further, described first row conducting terminal also includes A9 terminal, second row conducting terminal also includes B4, B1 terminal, the pin of B4 terminal described in the pin Mechanical Contact of described A9 terminal, the pin of second surface and described B1, B4 terminal that the pin of described B4, B1 terminal is arranged in cable support plate is sequentially positioned at the side of B5 terminal pin.

Further, described B12, B1 terminal place therebetween by one bridge portion one connect, described bridge portion extend from pars intermedia rear end and reversely bending and between the pars intermedia of first, second row's conducting terminal.

Further, described first row conducting terminal also includes A1, A12 terminal, the pin of the pin Mechanical Contact B12 terminal of described A1 terminal, the pin of the pin Mechanical Contact B1 terminal of described A12 terminal.

Further, described first row conducting terminal is embedded in the first insulator by the mode of injection mo(u)lding and forms the first terminal module, and described second row conducting terminal is embedded in the second insulator by the mode of injection mo(u)lding and forms the second terminal module；Described insulating body also includes the front frame that insulate, and before described insulation, frame forms aforementioned docking chamber, and described first, second terminal module inserts and is arranged on frame before insulation；The most exposed opposite face at first, second insulator of pin of described A1, A9, A12, B1, B4, B12 terminal and against each other after first, second terminal module overlies one another assembling.

Further, described cable support plate is additionally provided with and is packed into interior hole for scolding tin, and the pin of described A1, A9, A12, B1, B4, B12 terminal is made further welding at the opposite face of first, second insulator and fixed by scolding tin.

Further, the first surface of described cable support plate is provided with some technique mouths, and described technique mouth stays for clamping position conducting terminal in processing procedure.

Further, each conducting terminal in described A1, A12, B12, B1 terminal extends a supplementary contact portion therebetween, and described supplementary contact portion relatively contact site extends forward and relatively contact site is away from docking chamber.

Further, described pin connector is additionally provided with idle non-conductive terminal between first row conducting terminal and/or second row conducting terminal, and such non-conductive terminal only includes that contact site does not have pin.

For solving above-mentioned technical problem, this utility model can also adopt the following technical scheme that a kind of headset plug adapter, it meets USB Type C size and the definition of two row's terminals, described two row's terminal definition have from A1 to the A12 terminal of the same side sequential and B12 to B1 terminal, and two row's terminals align the most one by one；Described pin connector includes insulating body, first row conducting terminal, second row conducting terminal and resistance；Described insulating body is provided with the docking chamber run through forward and the cable support plate being positioned at rear end, described docking chamber has the first relative internal face and the second internal face, and the definition of described cable support plate has the first surface corresponding with first, second internal face and second surface；Each conducting terminal in described first, second row's terminal includes pars intermedia, extends forwardly to dock the contact site in chamber and extend back the pin of insulating body from pars intermedia from pars intermedia；Described first row conducting terminal has A1, A5, A6, A7, A8, A9, A12 terminal to constitute, and described second row conducting terminal includes that B12, B8, B5, B4, B1 terminal is constituted；It is characterized in that: the contact site sequential of described A1, A5, A6, A7, A8, A9, A12 terminal is in the first internal face, and the contact site sequential of described B12, B8, B5, B4, B1 terminal is in the second internal face；The pin sequential of described B8, A6, A7, A8 terminal is at the first surface of cable gripper shoe, and the pin sequential of described B12, A5, B5, B4, B1 terminal is at the second surface of cable gripper shoe；Described A6, A7 terminal converts into the left/right sound channel in difference engaging lug machine, and described B8, A8 terminal pin converts into the mike/ground connection in difference engaging lug machine；Described resistance includes that the first connecting portion and the second connecting portion, the first connecting portion connect the pin of B5, A5 terminal, and the second connecting portion connects the pin of B12 terminal；The pin of described B1, B4 terminal is still used as power delivery.

Compared with prior art, while the terminal pin of this utility model is arranged in realization transmission audio frequency, it is also possible to realize simplifying the connection with cable.

[accompanying drawing explanation]

Fig. 1 is the terminal function layout viewing of USB Type C.

Fig. 2 is the axonometric chart of this utility model headset plug adapter.

Fig. 3 is the axonometric chart of another angle of Fig. 2.

Fig. 4 is the axonometric chart of Fig. 3 face down.

Fig. 5 is the top view that Fig. 4 pin connector removes resistance.

Fig. 6 is the axonometric chart of first, second row's conducting terminal of this utility model headset plug adapter.

Fig. 7 is the three-dimensional exploded view of this utility model headset plug adapter.

Fig. 8 is the axonometric chart of another angle of Fig. 7.

Fig. 9 is that this utility model headset plug adapter one uses state diagram.

Figure 10 is that this utility model headset plug adapter another kind uses state diagram.

Figure 11 is that this utility model headset plug adapter another kind uses state diagram.

Following detailed description of the invention will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.

[detailed description of the invention]

Fig. 1 shows the terminal definition that existing USB Type C pin connector specifies, they two row's terminals including being positioned at docking chamber about 11 two internal face, two row's terminal definition have from (the right side that Fig. 1 shows, the same side, Sort Direction is as shown by arrow A) A1 to the A12 terminal of sequential and B12 to B1 terminal, two row's terminals align the most one by one.This utility model describe a kind of by meet above-mentioned USB Type C size and two row's terminals definition pin connector convert into the headset plug adapter for transmitting earpiece audio signal, wherein Main change is transmission D+ originally, the A6 of D-, A7 terminal converts into the left/right sound channel in difference engaging lug machine, originally the A8 making to control or leave unused it is used for, B8 terminal converts into the mike/ground connection (joining represented by Fig. 1 bracket) in difference engaging lug machine, reoffer a resistance, one connects the A5 originally transmitting CC Yu Vconn, B5, one connects ground terminal, thus realize the detecting that earphone is inserted by system.Foregoing description is the basic principle that specifications specify.It is described below and how to realize in pin connector, and cost can be reduced.

Shown in ginseng Fig. 2 to Fig. 5, headset plug adapter 100 of the present utility model is for meeting USB Type C size and the definition of two row's terminals, i.e. as described by aforementioned one section.Described headset plug adapter 100 includes insulating body 10, first row conducting terminal 20, second row conducting terminal 30 and resistance 40, and resistance is 10,000 ohm.Described insulating body 10 is provided with the docking chamber 11 run through forward and the cable support plate 12 being positioned at rear end, described docking chamber has relative the first internal face (non-label) and the second internal face 112, and the definition of described cable support plate 12 has the first surface 121 corresponding with first, second internal face and second surface 122.The outside wall surface of described insulating body is covered with metal shell 50, and above-mentioned cable support plate 12 is positioned at the rear of metal shell 50 and is not wrapped by.Above-mentioned first row terminal is exposed in cable gripper shoe 12 with the pin 23 of second row terminal, is used for being connected with headset cord, as shown in figs. 9-11.Described insulating body also has base portion 17 between docking section 11 and cable support plate 12, and metal shell is pressed on the front end face of base portion, and base portion is additionally provided with two projections 171 protruded out up and down, is used for for follow-up assembling.

As shown in Figure 6, each conducting terminal in described first, second row's conducting terminal 20,30 include pars intermedia 22,32, extend forwardly to the contact site 21,31 docking chamber 11 and the pin 23,33 extended back from pars intermedia from pars intermedia, described pars intermedia 22,23 is fixed in insulating body, being used for playing fixation, the basic structure of described conducting terminal is roughly the same.Wherein, contact site 21 sequential of first row conducting terminal 20 is at the first internal face of host cavity, and pin 23 is arranged in cable support plate 12；Wherein contact site 31 sequential of second row conducting terminal 30 is at the second internal face 112 of host cavity, and pin is arranged in cable support plate 12.Wherein under a kind of behaviour in service, during connection earphone 901 the most as shown in Figure 9, described first row conducting terminal includes that A5, A6, A7, A8 terminal, described second row include B12, B8, B5 terminal.Contact site 21 sequential of described A5, A6, A7, A8 terminal is in the first internal face of host cavity, and contact site 32 sequential of described B12, B8, B5, B1 terminal is in the second internal face 112 of host cavity.In conjunction with Fig. 4-5, pin 33S, 23S (S indicates such pin and is positioned at first surface 121/ upper surface of the cable support plate 12) sequential of described B8, A6, A7, A8 terminal is at the first surface 121 of cable gripper shoe, and pin 23X, 33X (X indicates such pin and is positioned at second surface 122/ lower surface of the cable support plate 12) sequential of described B12, A5, B5 terminal is at the second surface 122 of cable gripper shoe.Converting into left/right sound channel 901LR in difference engaging lug machine in conjunction with Fig. 9, the pin 23S of described A6, A7 terminal, pin 33S, 23S of described B8, A8 terminal converts into the mike/ground connection 901MG in difference engaging lug machine.In conjunction with Fig. 1, described resistance 40 includes the first connecting portion 41 and the second connecting portion 42, described first connecting portion 41 is simultaneously connected with the pin of described B5, A5 terminal, described second connecting portion 42 connects the pin of described B12 terminal, use B12 terminal can be relatively close to A5, B5 terminal, maximum possible avoid crossing one another of pin.Described resistance 40 is used for playing detecting effect, and once this headset plug connects and inserts electronic equipment (such as mobile phone), and by the effect of this resistance 40, the system of electronic equipment will detect earphone insertion, starts and follow-up makees switching action.The pin of above-mentioned conducting terminal is also applied for earphone adapter 902, as shown in Figure 10.

This pin connector 100 can also increase charge function by increasing conducting terminal, and the most as shown in figure 11, the charging plug 903 of a USB Type C-shaped state is connected to the conducting terminal increased.Continuing shown in ginseng Fig. 6, described first row conducting terminal 20 also includes that A9 terminal, second row conducting terminal 30 also include B4, B1 terminal.In conjunction with Fig. 4, the pin of second surface 122 and described B4, B1 terminal that the pin 33PX of B4 terminal described in the pin 33P Mechanical Contact of described A9 terminal, pin 33PX, 33GX of described B4, B1 terminal are arranged in cable support plate 12 is sequentially positioned at the side of B5 terminal pin.A9, B4 terminal is used also to arrange for suitable distribution terminal, it is to avoid the intersection of pin.Figure 10, the pin 33PX of described B4 terminal connect the power line 903P of charging plug, and the pin 33GX of described B1 terminal connects earth lead 903G.USB Type C regulation book regulation B9, B4 terminal transmission power supply, so B9, B4 are used the charging making portable power source by this pin connector, it is not necessary to system increases handoff functionality, increases on the premise of not increasing system cost and uses function.Arranging from terminal pin, the pin of transmission audio signal is positioned at the side of cable support plate, and the pin of transmission power supply is positioned at the opposite side of cable support plate, the arrangement of the convenient cable being connected with pin, is also convenient for welding.Resistance 40 is arranged on the other end of transmission power pin, it also avoid the interference with cable.The above-mentioned selection to terminal and the arrangement of pin, the operation for follow-up cable arrangement and welding has been laid excellent basis, has especially been facilitated automatic welding, be greatly saved cost.

Ginseng Fig. 6, described B12, B1 terminal is connected by a bridge portion one at 32 therebetween, ensure that when certain root cable contact is bad, also to have earthing effect, and be embedded in insulating body 10, the described bridge portion that connects of the arrangement and cable that so do not interfere with cable support plate upper terminal pin extends from pars intermedia 32 rear end and reversely bends and be positioned at the pars intermedia of first, second row's conducting terminal.The conducting terminal of described headset plug adapter 100 also includes A1, A12 terminal for ground connection, described A1, A12 still retain grounding function, and its pin contacts with the pin mechanical kilowatt of B12, B1 terminal and is embedded in insulating body 10, ground terminal retain in addition to can providing enough docking fixing power at contact site, multiple earth point is provided in pin connector, the potential difference of balancing connector, reduce electromagnetic interference, the transmission tool of the transmission especially audio signal of signal is had greatly improved.

Each conducting terminal in described A1, A12, B12, B1 terminal extends a supplementary contact portion 25,35 therebetween, and described supplementary contact portion relatively contact site extends forward and relatively contact site is away from docking chamber 11.Described pin connector is additionally provided with idle non-conductive terminal 26,36 in first row conducting terminal and/or second row conducting terminal, and such non-conductive terminal only includes that contact site does not have pin.

The concrete package assembly of connection-peg 100 is described below, and shown in ginseng Fig. 7-8, connection-peg 100 includes insulate front frame 13, the first terminal module the 14, second terminal module 15 and snap close piece 16.Above-mentioned insulating body 10 and first, second row's conducting terminal 20,30 are jointly assembled by the front frame 13 that insulate, the first terminal module 14 and the second terminal module 15 and are formed, and above-mentioned docking chamber 11 is then arranged in the front frame of insulation.In the preferred embodiment, described first row conducting terminal 20 is embedded in the first insulator 14 by the mode of injection mo(u)lding and forms the first terminal module 14, and described second row conducting terminal 30 is embedded in the second insulator 151 by the mode of injection mo(u)lding and forms the second terminal module 15.The pars intermedia 22,33 of above-mentioned conducting terminal is embedded in first, second insulator, 21,31 front end faces extending first, second insulator of contact site.First, second insulator is collectively forming cable support plate 12 in its back-end after assembling, described pin needs the most exposed first, second surface in cable gripper shoe of one side (i.e. solder side) of welding.

The most exposed apparent surface 1411,1511 at first, second insulator of one side (i.e. compressing face 271,371) of the pin of described A1, A12, B12, B1 terminal (ground terminal being i.e. electrically connected to each other), against each other after first, second terminal module overlies one another assembling.In conjunction with Fig. 4-Fig. 5, the side at ground terminal pin is provided with hole 124, and scolding tin can flow into first, second insulator by hole, and the face that compresses of above-mentioned ground terminal pin is made welding further.Pin one side (281,381) the most exposed apparent surface 1411,1511 at first, second insulator of described A9, B4 terminal (power supply terminal being i.e. electrically connected to each other), against each other after first, second terminal module overlies one another assembling.In conjunction with Fig. 4-5, the side at power supply terminal pin is provided with hole 125, and scolding tin can flow into first, second insulator by hole, and the face that compresses of above-mentioned power supply terminal pin is made welding further.It is previously noted that the first connecting portion 41 is simultaneously connected with described B5, A5 terminal pin, can the first connecting portion 41 relatively wide, contact B5, A5 terminal pin simultaneously；Can also the most laterally bend and realize left and right and be connected to each other by B5, A5 terminal pin, such first connecting portion can be connected with one of them；Also or A5 terminal pin is embedded in the first insulator and abuts with the pin of B5 terminal.Ginseng Fig. 3, cable support plate 12 is additionally provided with some technique mouths 126 at its first surface, for clamping position conducting terminal in processing procedure.

In this utility model, headset plug adapter can only provide connection earphone use, i.e. conducting terminal only to include A5, A6, A7, A8, B12, B8, B5 terminal；Or it is simultaneously connected with earphone or power supply, i.e. conducting terminal and also includes A9, B4, B1 terminal；Also or, this headset plug adapter includes A1, A5, A6, A7, A8, A9, A12, B12, B8, B5, B4, B1 terminal, is equivalent to provide earphone and the effect of power delivery.That is, described first row conducting terminal has A1, A5, A6, A7, A8, A9, A12 terminal to constitute, and described second row conducting terminal includes that B12, B8, B5, B4, B1 terminal is constituted；The contact site sequential of described A1, A5, A6, A7, A8, A9, A12 terminal is in the first internal face, and the contact site sequential of described B12, B8, B5, B4, B1 terminal is in the second internal face；The pin sequential of described B8, A6, A7, A8 terminal is at the first surface of cable gripper shoe, and the pin sequential of described B12, A5, B5, B4, B1 terminal is at the second surface of cable gripper shoe；Described A6, A7 terminal pin converts into the left/right sound channel in difference engaging lug machine, and described B8, A8 terminal pin converts into the mike/ground connection in difference engaging lug machine；Described resistance includes that the first connecting portion and the second connecting portion, the first connecting portion connect the pin of B5, A5 terminal, and the second connecting portion connects the pin of B12 terminal；The pin of described B1, B4 terminal is still used as power delivery.So, client can select the most voluntarily, it is not necessary to the pin of conducting terminal leave unused, so for adapter manufacturer, exploitation standard component can be formed, reduce mould development expense the most up to a million.

Above-described embodiment is better embodiment of the present utility model, and not all embodiment, the change of any equivalence that technical solutions of the utility model are taked by those of ordinary skill in the art by reading this utility model description, is claim of the present utility model and is contained.

Claims (10)

1. a headset plug adapter, it meets USB Type C size and two row's terminals define, and described two row's terminals definition have from A1 to the A12 terminal of the same side sequential and B12 to B1 terminal, and two row's terminals align the most one by one；Described pin connector includes insulating body, first row conducting terminal, second row conducting terminal and resistance；Described insulating body is provided with the docking chamber run through forward and the cable support plate being positioned at rear end, described docking chamber has the first relative internal face and the second internal face, and the definition of described cable support plate has the first surface corresponding with first, second internal face and second surface；Each conducting terminal in described first, second row's conducting terminal includes pars intermedia, extends forwardly to the contact site docking chamber and the pin extended back from pars intermedia from pars intermedia；Described first row conducting terminal includes that A5, A6, A7, A8 terminal, described second row conducting terminal include B12, B8, B5 terminal；It is characterized in that: the contact site sequential of described A5, A6, A7, A8 terminal is in the first internal face of host cavity, and the contact site sequential of described B12, B8, B5 terminal is in the second internal face of host cavity；The pin sequential of described B8, A6, A7, A8 terminal is at the first surface of cable gripper shoe, and the pin sequential of described B12, A5, B5 terminal is at the second surface of cable gripper shoe；The pin of described A6, A7 terminal converts into the left/right sound channel in difference engaging lug machine, and the pin of described B8, A8 terminal converts into the mike/ground connection in difference engaging lug machine；Described resistance includes the first connecting portion and the second connecting portion, and the first connecting portion is simultaneously connected with the pin of B5, A5 terminal, and the second connecting portion connects the pin of B12 terminal.

2. headset plug adapter as claimed in claim 1, it is characterized in that: described first row conducting terminal also includes A9 terminal, second row conducting terminal also includes B4, B1 terminal, the pin of B4 terminal described in the pin Mechanical Contact of described A9 terminal, the pin of second surface and described B1, B4 terminal that the pin of described B4, B1 terminal is arranged in cable support plate is sequentially positioned at the side of B5 terminal pin.

3. headset plug adapter as claimed in claim 2, it is characterized in that: described B12, B1 terminal place therebetween by one bridge portion one connect, described bridge portion extend from pars intermedia rear end and reversely bending and between the pars intermedia of first, second row's conducting terminal.

4. headset plug adapter as claimed in claim 3, it is characterised in that: described first row conducting terminal also includes A1, A12 terminal, the pin of the pin Mechanical Contact B12 terminal of described A1 terminal, the pin of the pin Mechanical Contact B1 terminal of described A12 terminal.

5. headset plug adapter as claimed in claim 4, it is characterized in that: described first row conducting terminal is embedded in the first insulator by the mode of injection mo(u)lding and forms the first terminal module, described second row conducting terminal is embedded in the second insulator by the mode of injection mo(u)lding and forms the second terminal module；Described insulating body also includes the front frame that insulate, and before described insulation, frame forms aforementioned docking chamber, and described first, second terminal module inserts and is arranged on frame before insulation；The most exposed opposite face at first, second insulator of pin of described A1, A9, A12, B1, B4, B12 terminal and against each other after first, second terminal module overlies one another assembling.

6. headset plug adapter as claimed in claim 5, it is characterized in that: described cable support plate is additionally provided with and is packed into interior hole for scolding tin, and the pin of described A1, A9, A12, B1, B4, B12 terminal is made further welding at the opposite face of first, second insulator and fixed by scolding tin.

7. headset plug adapter as claimed in claim 5, it is characterised in that: the first surface of described cable support plate is provided with some technique mouths, and described technique mouth stays for clamping position conducting terminal in processing procedure.

8. headset plug adapter as claimed in claim 1, it is characterized in that: each conducting terminal in described A1, A12, B12, B1 terminal extends a supplementary contact portion therebetween, described supplementary contact portion relatively contact site extends forward and relatively contact site is away from docking chamber.

9. headset plug adapter as claimed in claim 1, it is characterized in that: described pin connector first row conducting terminal and or second row conducting terminal between be additionally provided with idle non-conductive terminal, such non-conductive terminal only includes that contact site does not have pin.

10. a headset plug adapter, it meets USB Type C size and two row's terminals define, and described two row's terminals definition have from A1 to the A12 terminal of the same side sequential and B12 to B1 terminal, and two row's terminals align the most one by one；Described pin connector includes insulating body, first row conducting terminal, second row conducting terminal and resistance；Described insulating body is provided with the docking chamber run through forward and the cable support plate being positioned at rear end, described docking chamber has the first relative internal face and the second internal face, and the definition of described cable support plate has the first surface corresponding with first, second internal face and second surface；Each conducting terminal in described first, second row's terminal includes pars intermedia, extends forwardly to dock the contact site in chamber and extend back the pin of insulating body from pars intermedia from pars intermedia；Described first row conducting terminal has A1, A5, A6, A7, A8, A9, A12 terminal to constitute, and described second row is led terminal electricity and included that B12, B8, B5, B4, B1 terminal is constituted；It is characterized in that: the contact site sequential of described A1, A5, A6, A7, A8, A9, A12 terminal is in the first internal face, and the contact site sequential of described B12, B8, B5, B4, B1 terminal is in the second internal face；The pin sequential of described B8, A6, A7, A8 terminal is at the first surface of cable gripper shoe, and the pin sequential of described B12, A5, B5, B4, B1 terminal is at the second surface of cable gripper shoe；Described A6, A7 terminal converts into the left/right sound channel in difference engaging lug machine, and described B8, A8 terminal pin converts into the mike/ground connection in difference engaging lug machine；Described resistance includes that the first connecting portion and the second connecting portion, the first connecting portion connect the pin of B5, A5 terminal, and the second connecting portion connects the pin of B12 terminal；The pin of described B1, B4 terminal is still used as power delivery.