CN103915725B - USB connector and manufacture method - Google Patents

USB connector and manufacture method Download PDF

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Publication number
CN103915725B
CN103915725B CN201310007586.XA CN201310007586A CN103915725B CN 103915725 B CN103915725 B CN 103915725B CN 201310007586 A CN201310007586 A CN 201310007586A CN 103915725 B CN103915725 B CN 103915725B
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China
Prior art keywords
terminal
pair
difference signal
signal terminal
pedestal
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CN201310007586.XA
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Chinese (zh)
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CN103915725A (en
Inventor
陈庆源
锺弘毅
李均锋
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康特精密工业股份有限公司
群联电子股份有限公司
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Priority to CN201310007586.XA priority Critical patent/CN103915725B/en
Publication of CN103915725A publication Critical patent/CN103915725A/en
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Publication of CN103915725B publication Critical patent/CN103915725B/en

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Abstract

The present invention provides a kind of USB connector and manufacture method, including pedestal, first end subgroup and Second terminal group.First end subgroup includes a pair first difference signal terminals and a pair second difference signal terminals of the configuration on pedestal, wherein the terminal of the first difference signal terminal is closely adjacent to each other, the terminal of the second difference signal terminal is closely adjacent to each other.The two of which terminal of Second terminal group is respectively positioned at the opposite sides of the first difference signal terminal, and the another two terminal of Second terminal group is respectively positioned at the opposite sides of the second difference signal terminal.

Description

USB connector and manufacture method

Technical field

The invention relates to a kind of connector, and particularly a kind of USB connector and manufacture method.

Background technology

Universal serial bus are one of popular interfaces that current computer apparatus are connected to each other, and its specification is from universal serial bus 1.0/1.1 (Universal Serial Bus, USB 1.0/1.1) is upgraded to (Universal of universal serial bus 2.0 Serial Bus, USB2.0), universal serial bus 3.0 (Universal Serial Bus, USB3.0) are then upgraded to again. USB 3.0 is a kind of signal transmission specification that be developed from USB 2.0, and its transmission rate can reach 5G bps, and traditional The transmission rate of USB 2.0 then only has 480M bps.The current electric connectors of USB 3.0 have determined that and compatible are electrically connected in USB 2.0 Connect device, i.e. USB 3.0 employ with the identical electric connector structures of USB 2.0, and increased several for providing the work(of USB 3.0 The pin of energy.

Accordingly.Transmission speed, the frequency of bus inner contact can be increased by the upgrading of coffret, but USB 3.0 is electrically connected Device is connect on the premise of the electric connector of compatible USB 2.0, USB3.0 electric connectors is overcome high speed, high rate transmission when institute The effects such as issuable cross-talk are one of problems that relevant design must pull against with the producer.

The content of the invention

The present invention provides a kind of USB connector and manufacture method, and it has preferably anti-interference electric with suppression The ability of magnetic wave.

One example of the present invention embodiment proposes a kind of USB connector, including pedestal, and configuration in pedestal On first end subgroup and Second terminal group.First end subgroup includes a pair first difference signal terminals with a pair second difference letters Number terminal, and the terminal of the difference signal terminal of this pair first is closely adjacent to each other, the terminal of the difference signal terminal of this pair second is tight each other It is adjacent.The two of which terminal of Second terminal group is respectively positioned at the opposite sides of the first difference signal terminal, and Second terminal group Another two terminal is respectively positioned at the opposite sides of the second difference signal terminal.

One example of the present invention embodiment proposes a kind of manufacture method of USB connector, including:Strike out Type first end subgroup and Second terminal group;Arrangement first end subgroup and Second terminal group, so that a pair first of first end subgroup Difference signal terminal is closely adjacent to each other, and a pair second difference signal terminals of first end subgroup are closely adjacent to each other;Second terminal group its In two terminals be arranged on the opposite sides of the first difference signal terminal, and the another two terminal of Second terminal group is arranged on second The opposite sides of difference signal terminal;And ejection formation pedestal, to coat and carry first end subgroup and Second terminal group.

In one example of the present invention embodiment, the first above-mentioned difference signal terminal is transmission differential pair (transmitter differential pair, TX+/TX-) or receive differential pair (receiverdifferential Pair, RX+/RX-), the second difference signal terminal is to receive differential pair or transmission differential pair.Second terminal group is USB2.0 terminals Group, it includes a pair the 3rd difference signal terminals, power supply terminal and the second ground terminals.First difference signal terminal is located at power supply Between terminal and the 3rd difference signal terminal.Second difference signal terminal is located at the second ground terminal and the 3rd difference signal terminal Between.

In one example of the present invention embodiment, above-mentioned the first difference signal terminal to be smaller than power supply terminal relative In the distance of the first difference signal terminal.First difference signal terminal is smaller than the 3rd difference signal terminal relative to first The distance of difference signal terminal.

In one example of the present invention embodiment, above-mentioned the second difference signal terminal is smaller than the second ground terminal Relative to the distance of the second difference signal terminal.Second difference signal terminal be smaller than the 3rd difference signal terminal relative to The distance of the second difference signal terminal.

In one example of the present invention embodiment, above-mentioned pedestal has the first geometrical plane.First difference signal terminal Orthographic projection on the first geometrical plane is located at orthographic projection of the power supply terminal on the first geometrical plane and the 3rd differential signal end Between orthographic projection of the son on the first geometrical plane.Orthographic projection of second difference signal terminal on the first geometrical plane is located at the Orthographic projection of two ground terminals on the first geometrical plane and orthographic projection of the 3rd difference signal terminal on the first geometrical plane Between.

In one example of the present invention embodiment, also including the first ground terminal, its positive throwing on the first geometrical plane Shadow is located between orthographic projection of the 3rd difference signal terminal on the first geometrical plane.

In one example of the present invention embodiment, above-mentioned pedestal also has the second geometrical plane, and vertical first geometry is put down Face.First difference signal terminal, the second difference signal terminal and orthographic projection of first ground terminal on the second geometrical plane that This overlaps, and forms a pair of first terminal sections and the first interlude being connected between this pair of first terminal section.First terminal section Pedestal is exposed, the first interlude is located in pedestal.

In one example of the present invention embodiment, above-mentioned the 3rd difference signal terminal, power supply terminal and the second earth terminal Orthographic projection of the son on the second geometrical plane form a pair of second terminals sections and be connected between this pair of second terminal section second Interlude.Second terminal section exposes pedestal, and the second interlude is located in pedestal.The office of the second interlude the first interlude of correspondence Portion is located at the lower section of the first interlude, and the another of the second interlude correspondence first terminal section is partially located under first terminal section Side.

In one example of the present invention embodiment, the second above-mentioned interlude is high low in having relative to second terminal section A poor sinking profile.

In one example of the present invention embodiment, the wherein second terminal section of above-mentioned power supply terminal is in the first geometrical plane On orthographic projection from the side of the first difference signal terminal towards the centre of the difference signal terminal of this pair first bend.Second connects Side direction of orthographic projection of the wherein second terminal section of ground terminal on the first geometrical plane from the second difference signal terminal The centre bending of the difference signal terminal of this pair second.

In one example of the present invention embodiment, the bending place of above-mentioned power supply terminal is exposed to outside pedestal, and above-mentioned second The bending place of ground terminal is outside pedestal.

In one example of the present invention embodiment, said base also has one the 3rd geometrical plane, and parallel first geometry is put down Face and positioned at the lower section of the first geometrical plane.Into pedestal first terminal section with second terminal section along parallel first geometrical plane Direction extend one distance after, towards the 3rd geometrical plane bend extend.

In one example of the present invention embodiment, said base also has one the 3rd geometrical plane, and parallel first geometry is put down Face and positioned at the lower section of the first geometrical plane.First terminal section into pedestal is prolonged with second terminal section towards the 3rd geometrical plane Stretch and through the first geometrical plane.

In one example of the present invention embodiment, above-mentioned first interlude is relative to first terminal section in low head high A sinking profile.

In one example of the present invention embodiment, the preparation method of above-mentioned USB connector also includes:Socket One shell is in the outside of said base.

In one example of the present invention embodiment, the first end subgroup after above-mentioned punching press is presented height respectively with Second terminal group Low head structure.

In one example of the present invention embodiment, when said base is coated and carries first end subgroup and Second terminal group When, part of part of the first end subgroup in pedestal with Second terminal group in pedestal is presented low head high.

Based on above-mentioned, in above-mentioned exemplary embodiment of the invention, by by the first differential signal end of first end subgroup Son is immediately adjacent to each other, and the second difference signal terminal is immediately adjacent to each other, and makes the terminal of Second terminal group respectively from the first differential signal The left and right side of terminal, the left and right side with the second difference signal terminal passes through, thus can improve between the first difference signal terminal The degree of coupling of (between the second difference signal terminal), thus promote the transmission efficiency of differential signal, suppression electromagnetic interference is simultaneously Reduce extraneous cross-talk.

It is that features described above of the invention and advantage can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make Carefully it is described as follows.

Brief description of the drawings

Fig. 1 is a kind of schematic diagram of USB connector of an exemplary embodiment of the invention;

Fig. 2 is the internals schematic diagram of the USB connector of Fig. 1;

Fig. 3 is the top plan view of the USB connector of Fig. 1;

Fig. 4 is the partial component schematic diagram of the USB connector of Fig. 2;

Fig. 5 is the side view of the USB connector of Fig. 2;

Fig. 6 is the side view of the USB connector of another exemplary embodiment of the invention.

Description of reference numerals

10:USB connector;

100、500:First end subgroup;

110、120:First difference signal terminal;

130、140:Second difference signal terminal;

150:First ground terminal;

200、600:Second terminal group;

210、220:3rd difference signal terminal;

230:Power supply terminal;

240:Second ground terminal;

300、700:Pedestal;

310、320:Barricade;

400:Shell;

410、420:Side wall;

A1、A3、A4:First terminal section;

A2、A5:First interlude;

B1、B3、B31、B32、B4:Second terminal section;

B2、B5:Second interlude;

B21、B22:It is local

E1:First end;

E2:Second end;

P1:First geometrical plane;

P2:Second geometrical plane;

P3:3rd geometrical plane.

Specific embodiment

Fig. 1 is a kind of schematic diagram of USB connector of an exemplary embodiment of the invention.Fig. 2 is the logical of Fig. 1 With the internals schematic diagram of serial bus connector.Separately, it is that can clearly describe component relation, right angle is filled in this case schema Coordinate system is as reference.

Fig. 1 and Fig. 2 is please also refer to, in this exemplary embodiment, USB connector 10 is that universal sequence is total The electric connector of line 3.0 (Universal Serial Bus, USB3.0) specification, it includes first end subgroup 100, Second terminal Group 200, pedestal 300 and shell 400, wherein first end subgroup 100 are with Second terminal group 200 with the row parallel to X-Y plane Row mode and be bound to pedestal 300, and be set in outside pedestal 300 with shell 400, as first end subgroup 100 and second The protection structure of terminal group 200, and be used as the shielding of noise when shell 400 is grounded.

For example, first the terminal of first end subgroup 100 is disposably struck out with the terminal of Second terminal group 200 First end subgroup 100 after type, wherein punching press is presented height drop structure respectively with Second terminal group 200.Then first is arranged Terminal group 100 and Second terminal group 200, then again in the way of projecting (in-mold injection) in mould with plastic injection It is coated on the part of above-mentioned terminal and forms pedestal 300, and allow part of the first end subgroup 100 in pedestal 300, with the second end Part of the subgroup 200 in pedestal 300 is presented low head high.Finally it is socketed in outside pedestal 300 with metal shell 400 again Portion, therefore and complete the USB connector 10 described in this case.USB connector 10 is not limited herein Production method, any manufacture that can reach said structure is all applicable to this exemplary embodiment.

In addition, USB connector 10 has first end E1 and the second end E2, and (i.e. above-mentioned terminal exposes pedestal 300 part), wherein first end E1 be connected with storage element or transmission unit (not shown), and the second end E2 to External device carries out detachably connected.Though using plug construction as description object in this exemplary embodiment, not with this It is limited, namely is formed in structure and arrange identical person described in this case, is all applicable to this exemplary embodiment.

Fig. 3 is the top plan view of the USB connector of Fig. 1.Fig. 4 is the USB connector of Fig. 2 Partial component schematic diagram, and in fig. 4 with dotted lines pedestal 300.Fig. 2 to Fig. 4 is please also refer to, in this exemplary embodiment In, Second terminal group 200 is universal serial bus 2.0 (Universal Serial Bus, USB2.0) terminal group, i.e., general sequence Column bus connector 10 is that offer USB3.0 transfer functions are set up under the framework of Second terminal group 200 (USB2.0 terminal groups) First end subgroup 100.

Specifically, first end subgroup 100 includes being closely adjacent to each other for a pair the first difference signal terminal 110,120, a pair The second difference signal terminal 130,140 being closely adjacent to each other and the first ground terminal 150.In this exemplary embodiment, the first difference Signal terminal 110,120 is to receive differential pair (receiver differential pair, RX+/RX-), and the second difference is believed Number terminal 130,140 is transmission differential pair (transmitter differential pair, TX+/TX-), is used to provide The high speed transmission of signals of USB3.0 is used.Only this exemplary embodiment does not limit the first difference signal terminal 110,120 and second The pattern of difference signal terminal 130,140, in another exemplary embodiment, the first difference signal terminal can be transmission differential pair, And the second difference signal terminal can be reception differential pair.

Second terminal group 200 includes a pair the 3rd difference signal terminals 210, the 220, earth terminal of power supply terminal 230 and second Son 240, wherein the first difference signal terminal of this pair 110,120 is closely adjacent to each other, and the power supply terminal 230 of Second terminal group 200 with 3rd difference signal terminal 210 is located at the opposite sides of the first difference signal terminal of this pair 110,120.Furthermore, this pair second is poor Sub-signal terminal 130,140 is closely adjacent to each other, and Second terminal group 200 the second ground terminal 240 and the 3rd difference signal terminal 220 opposite sides for being located at the first difference signal terminal of this pair 130,140.

Consequently, it is possible to the barricade 310 for only having pedestal 300 between the first difference signal terminal of this pair 110,120 is exhausted as its Edge structure, not in the presence of other terminals.Similarly, also only has pedestal 300 between the second difference signal terminal of this pair 130,140 Barricade 320 as its insulation system, not in the presence of other terminals.Accordingly, as shown in figure 3, by make Second terminal group 200 its In two terminals arranged on left and right sides for passing through the first difference signal terminal of this pair 110,120, and make another the two of Second terminal group 200 The arranged on left and right sides that individual terminal passes through the second difference signal terminal of this pair 130,140, thus reduce Second terminal group 200 pairs first Cross-talk produced by terminal group 100.

Fig. 2 and Fig. 3 is refer again to, in this exemplary embodiment, pedestal 300 has the first geometrical plane P1, parallel to X-Y Plane, and orthographic projection of first difference signal terminal 110,120 on the first geometrical plane P1 is to be located at power supply terminal 230 the Orthographic projection on one geometrical plane P1 and orthographic projection of the 3rd difference signal terminal 210,220 on the first geometrical plane P1 it Between.Separately, orthographic projection of second difference signal terminal 130,140 on the first geometrical plane P1 is to be located at the second ground terminal 240 Orthographic projection and orthographic projection of the 3rd difference signal terminal 210,220 on the first geometrical plane P1 on the first geometrical plane P1 Between.First end subgroup 100 also includes the first ground terminal 150, and its orthographic projection on the first geometrical plane P1 is located at this pair Between orthographic projection of 3rd difference signal terminal 210,220 on the first geometrical plane P1.

Based on above-mentioned, the terminal just forms and is sequentially power supply terminal 230, the first difference by right side to the left side of Fig. 3 and believes Number difference signal terminal 210 of terminal the 110,120, the 3rd, the first ground terminal 150, the 3rd difference signal terminal 220, second are poor The arrangement architecture of sub-signal terminal 130,140 and the second ground terminal 240, and therefore allow the first difference signal terminal 110,120 Adjacent to each other, the second difference signal terminal 130,140 is adjacent to each other, and the difference signal terminal 210 of power supply terminal 230 and the 3rd from First difference signal terminal 110,120 opposite sides pass through, and the second ground terminal 240 and the 3rd difference signal terminal 220 from The structure configuration that second difference signal terminal 130,140 opposite sides pass through.

It is worth noting that, the first difference signal terminal 110,120 to be smaller than power supply terminal 230 poor relative to first The distance of sub-signal terminal 110, and the first difference signal terminal 110,120 spacing again smaller than the 3rd difference signal terminal 210 Relative to the distance of the first difference signal terminal 120.On the other hand, the second difference signal terminal 130,140 is smaller than Two ground terminals 240 relative to the second difference signal terminal 140 distance, and the second difference signal terminal 130,140 spacing Distance again smaller than the 3rd difference signal terminal 220 relative to the second difference signal terminal 130.This measure is removed and avoids above-mentioned cross-talk Interference is outer, and further using the same group of opposite polarity of difference signal terminal, therefore produced magnetic field energy reaches magnetic force The effect cancelled out each other, and same group of difference signal terminal couples tightr, the magnetic force that it can offset is also more, thus releases Putting also can be fewer to extraneous electromagnetic energy, and has relatively low electromagnetic interference.

In other words, be allow the USB connector 10 for possessing USB3.0 transmission standards in transmitting procedure simultaneously With enough antijamming capabilities and effectively suppression electromagnetic interference, therefore reducing the first difference signal terminal 110,120 Outside the spacing of spacing and the second difference signal terminal 130,140, also need to enable the terminal of Second terminal group 200 and first end subgroup 100 keep suitable distance.

Fig. 5 is the side view of the USB connector of Fig. 2.Fig. 3 and Fig. 5 is please also refer to, above-mentioned Fig. 3 is in description First end subgroup 100 and Second terminal group 200 the first geometrical plane P1 configuration relation, to ensure the first difference signal terminal 110th, the spacing of 120 spacing and the second difference signal terminal 130,140, and Second terminal group 200 is believed relative to foregoing difference The suitable distance of number terminal 110,120,130 and 140.

On the other hand, on the second geometrical plane P2 of pedestal 300, the Second terminal group 200 of this exemplary embodiment need Configured with structure shown in Fig. 5, and Second terminal group 200 is reached the effect kept at a distance with first end subgroup 100, wherein First geometrical plane P1 is parallel to Y-Z plane perpendicular to the second geometrical plane P2, i.e. the second geometrical plane P2.

Specifically, in this exemplary embodiment, first the 110,120, second difference signal terminal of difference signal terminal 130th, 140 orthographic projection with the first ground terminal 150 on the second geometrical plane P2 coincides with one another, and forms a pair of first terminals Section A1, A3 and first terminal first interlude A2 of the section between A1, A3 is connected to, wherein first terminal section A1, A3 exposes base Seat 300, the first interlude A2 is located in pedestal 300, and the first interlude A2 is in have height relative to first terminal section A1, A3 One sinking profile of drop.Accordingly, the 3rd difference signal terminal 210, the 220, ground terminal 240 of power supply terminal 230 and second Orthographic projection on the second geometrical plane P2 forms a pair of second terminals section B1, B3 and is connected to second terminal section between B1, B3 The second interlude B2, wherein second terminal section B1, B3 expose pedestal 300, and the second interlude B2 is located in pedestal 300.

In other words, the terminal of first end subgroup 100 is to be arranged parallel to each other together, and Second terminal group 200 Terminal is also to be arranged parallel to each other together.Therefore it is following will be with Fig. 5, i.e., with a wherein terminal of first end subgroup 100 and A wherein terminal of two-terminal group 200 is been described by and as the representative of other terminals.

In this exemplary embodiment, suitable distance is kept with first end subgroup 100 to reach foregoing Second terminal group 200 Purpose, here, the second interlude B2 is that sinking profile is presented relative to second terminal section B1, B3, and it is worth noting that, second The local B21 of the second interlude B2 of terminal group 200 corresponds to the first interlude A2 of first end subgroup 100, and the local B21 is Another local B22 positioned at the lower section of the first interlude A2, and the second interlude B2 of Second terminal group 200 corresponds to first end First terminal the section A3, another local B22 of subgroup 100 are the lower sections for being located at first terminal section A3.In this way, just causing first end There is the configuration mode of low head high in the interior presentation of pedestal 300 with Second terminal group 200 in subgroup 100.

In other words, Second terminal group 200, can parallel Y-axis extension after pedestal 300 is extended into from second terminal section B1 The 3rd geometrical plane P3 extensions after one distance towards pedestal 300 (allow the second interlude B2 of Second terminal group 200 substantial It is to be bent downwards relative to second terminal section B1, B3), and then allow local B22 to be substantially disposed on the 3rd geometrical plane P3, Bent towards the first geometrical plane P1 and expose pedestal 300 until will extend into second terminal section B3 when sides.Here, the second end Bending of the subgroup 200 between the second interlude B2 and second terminal section B3 is extended along Z axis, i.e. the second interlude B2 and the It is perpendicular bending between two end section B3.

Relatively, first end subgroup 100, also can parallel Y-axis extension after pedestal 300 is extended into from first terminal section A1 Extend towards bending at the first geometrical plane P1 again afterwards.Only from unlike Second terminal group 200, first end subgroup 100 is entering Until first terminal section A3, it all can keep low head high, effectively drop according to this relative to Second terminal group 200 after pedestal 300 Low cross-talk.

Based on above-mentioned, by Second terminal group 200 on Y-Z plane away from first end subgroup 100, and improve Second terminal Group 200 relative to first end subgroup 100 distance, while collocation is as shown in figure 3, first end subgroup 100 and Second terminal group 200 Configuration on an x-y plane, thus Second terminal group 200 can be more reduced to (particularly the first differential signal of first end subgroup 100 Terminal 110,120 and the second difference signal terminal 130, the cross-talk for 140) causing.

Fig. 6 is the side view of the USB connector of another exemplary embodiment of the invention.With the example shown in Fig. 5 Unlike embodiment, the first terminal section A4 of first end subgroup 500 is directed towards the first geometry after pedestal 700 is entered and puts down Face P1 is extended obliquely out and is formed the first interlude A5.Similarly, the second terminal section B4 of Second terminal group 600 is also entering pedestal The 3rd geometrical plane P3 is directly toward after 700 to extend obliquely out and form the second interlude B5.Only identical is, first end subgroup Still there is low head high with Second terminal group 600 in 500 configuration in pedestal 700.In addition, in the second of Second terminal group 600 Between section B5 be, to be obliquely extended to the first geometrical plane P1, and to be formed on the first geometrical plane P1 from the 3rd geometrical plane P3 Two end section B3.In other words, the first terminal section A4 into pedestal 700 can be towards the 3rd geometrical plane with second terminal section B4 P3 extends across the first geometrical plane P1 and forms the first interlude A5 and the second interlude B5

Fig. 3 and Fig. 5 is refer again to, in addition, in this exemplary embodiment, by by the power supply terminal of Second terminal group 200 230 and second ground terminal 240 configure in the rightmost side and the leftmost side of Fig. 3, that is, allow power supply terminal 230 close to the side of shell 400 Wall 410, and allow the second ground terminal 240 close to the side wall 420 of shell 400, wherein side wall 410 and 420 across pedestal 300 and that This is relative.It is the transmission standard for allowing first end subgroup and Second terminal group to meet USB3.0, therefore power supply terminal 230 and second Ground terminal 240 all must be bent configuration at its second terminal section B3.

Further say, orthographic projections of the second terminal of the power supply terminal 230 section B31 on the first geometrical plane P1 can be from the This pair the is re-directed towards after side (i.e. between the first difference signal terminal 110 and side wall 410) bending of one difference signal terminal 110 The centre bending of one difference signal terminal 110,120, and the second terminal of the second ground terminal 240 section B32 is in the first geometry Orthographic projection on plane P1 can be from the side of the second difference signal terminal 140 (i.e. the second difference signal terminal 140 and side wall 420 Between) bending after be re-directed towards the second difference signal terminal of this pair 130,140 centre bending.In other words, this example is implemented The ground terminal 240 of power supply terminal 230 and second of example has outside pedestal 300 respectively, and respectively towards the side wall of pedestal 410th, 420 protrusion and be in bending golden finger structure.In this way, the end section A3 of first end subgroup and Second terminal group just can be made 200 end section B3 can all meet the transmission standard of USB3.0, also simultaneously take into account can effectively be reduced in high-speed transfer cross-talk with Electromagnetic interference.

In sum, in above-mentioned exemplary embodiment of the invention, the first difference signal terminal of first end subgroup is mutual Close to, and the second difference signal terminal is immediately adjacent to each other, and make the terminal of Second terminal group respectively from the first difference signal terminal Left and right side, the left and right side with the second difference signal terminal passes through, thus can improve between the terminal of the first difference signal terminal Degree of coupling (the second difference signal terminal is identical).In this way, the noise in the external world only can simultaneously be coupled to the difference of this pair first On signal terminal (or the difference signal terminal of this pair second), thus influence will not be produced on signal difference.Furthermore, due to this pair The opposite polarity of one difference signal terminal (or the difference signal terminal of this pair second), so the electromagnetism meeting for each producing therefore and phase Mutually offset, thus reduce the electromagnetic interference for producing to external world.

Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (20)

1. a kind of USB connector, it is characterised in that including:
One pedestal, the pedestal has one first geometrical plane;
One first end subgroup, at least including a pair first difference signal terminals and a pair second difference signal terminals, is respectively configured On the base, and the difference signal terminal of this pair first terminal from a first end of the USB connector to one Two ends are closely adjacent to each other, and the terminal of the difference signal terminal of this pair second is closely adjacent to each other from the first end to second end;And
One Second terminal group, on the base, the two of which terminal of the Second terminal group is poor positioned at this pair first respectively for configuration The opposite sides of sub-signal terminal, and the another two terminal of the Second terminal group is respectively positioned at the difference signal terminal of this pair second Opposite sides, wherein on first geometrical plane, respectively terminal of the Second terminal group is from the parallel first axle of the first end The distance for extending to second end extends to this more than respectively terminal of the first end subgroup from the parallel first axle of the first end The distance at the second end.
2. USB connector according to claim 1, it is characterised in that the difference signal terminal of this pair first is Transmission differential pair or receive differential pair, the difference signal terminal of this pair second be receive differential pair or transmission differential pair, and this second Terminal group is the terminal group of a universal serial bus 2.0, including a pair the 3rd difference signal terminals, a power supply terminals connect with one second Ground terminal, and the difference signal terminal of this pair first is located between the power supply terminal and the difference signal terminal of this pair the 3rd, this pair the Two difference signal terminals are located between second ground terminal and the difference signal terminal of this pair the 3rd.
3. USB connector according to claim 2, it is characterised in that the difference signal terminal of this pair first It is smaller than between distance of the power supply terminal relative to the difference signal terminal of this pair first, and the difference signal terminal of this first Away from the distance less than the difference signal terminal of this pair the 3rd relative to the difference signal terminal of this pair first.
4. USB connector according to claim 2, it is characterised in that the difference signal terminal of this pair second It is smaller than distance of second ground terminal relative to the difference signal terminal of this pair second, and the difference signal terminal of this pair second Be smaller than distance of the difference signal terminal of this pair the 3rd relative to the difference signal terminal of this pair second.
5. USB connector according to claim 2, it is characterised in that the difference signal terminal of this pair first exists It is poor with this pair the 3rd that orthographic projection on first geometrical plane is located at orthographic projection of the power supply terminal on first geometrical plane Between orthographic projection of the sub-signal terminal on first geometrical plane, the difference signal terminal of this pair second is in first geometrical plane On orthographic projection be located at orthographic projection of second ground terminal on first geometrical plane and the difference signal terminal of this pair the 3rd Between orthographic projection on first geometrical plane.
6. USB connector according to claim 5, it is characterised in that the first end subgroup also includes:
One first ground terminal, its orthographic projection on first geometrical plane be located at the difference signal terminal of this pair the 3rd this Between orthographic projection on one geometrical plane.
7. USB connector according to claim 6, it is characterised in that the pedestal also has one second geometry Plane, vertical first geometrical plane, and the difference signal terminal of this pair first, the difference signal terminal of this pair second and this first connect Orthographic projection of the ground terminal on second geometrical plane coincides with one another, and forms a pair of first terminal sections and be connected to this pair first One first interlude between end section, this pair of first terminal section exposes the pedestal, and first interlude is located in the pedestal.
8. USB connector according to claim 7, it is characterised in that the difference signal terminal of this pair the 3rd, Orthographic projection of the power supply terminal with second ground terminal on second geometrical plane forms a pair of second terminal sections and is connected One second interlude between this pair of second terminal section, this pair of second terminal section exposes the pedestal, the second middle section In in the pedestal, second interlude to should the first interlude a lower section for being partially located at first interlude, and this Two interludes to should first terminal section it is another be partially located at the first terminal section lower section.
9. USB connector according to claim 8, it is characterised in that second interlude is relative to this pair Second terminal section is in the sinking profile with low head high.
10. USB connector according to claim 8, it is characterised in that wherein the 1 of the power supply terminal Orthographic projection of two end sections on first geometrical plane is re-directed towards this from after the side bending of the difference signal terminal of this pair first Centre bending to the first difference signal terminal, the wherein second terminal section of second ground terminal is flat in first geometry Orthographic projection on face is re-directed towards in the difference signal terminal of this pair second from after the side bending of the difference signal terminal of this pair second Bent at centre.
11. USB connectors according to claim 10, it is characterised in that wherein the 1 of the power supply terminal Orthographic projection of two end sections on first geometrical plane is exposed to from the side bending place of the difference signal terminal of this pair first should Outside pedestal, and second ground terminal orthographic projection of the section on first geometrical plane of a wherein second terminal from this pair second The side bending place of difference signal terminal is outside the pedestal.
12. USB connectors according to claim 8, it is characterised in that the pedestal also has one the more than three What plane, parallel first geometrical plane and positioned at the lower section of first geometrical plane, into the first terminal section of the pedestal After extending a distance along the direction of parallel first geometrical plane with second terminal section, prolong towards the bending of the 3rd geometrical plane Stretch.
13. USB connectors according to claim 8, it is characterised in that the pedestal also has one the more than three What plane, parallel first geometrical plane and positioned at the lower section of first geometrical plane, into the first terminal section of the pedestal With second terminal section first geometrical plane is extended across towards the 3rd geometrical plane.
14. USB connectors according to claim 7, it is characterised in that first interlude is relative to this To first terminal section in the sinking profile with low head high.
A kind of 15. preparation methods of USB connector, it is characterised in that including:
The first end subgroup of punch forming one and a Second terminal group;
Arrange the first end subgroup and the Second terminal group so that a pair first difference signal terminals of the first end subgroup from this One first end of USB connector to one second end is closely adjacent to each other, a pair second difference letter of the first end subgroup Number terminal is closely adjacent to each other from the first end to second end, and the two of which terminal of the Second terminal group is arranged on this pair The opposite sides of one difference signal terminal, and the another two terminal of the Second terminal group is arranged on the difference signal terminal of this pair second Opposite sides;And
The pedestal of ejection formation one, to coat and carries the first end subgroup and the Second terminal group, and wherein the pedestal has one the One geometrical plane, and on first geometrical plane, respectively terminal of the Second terminal group is from the parallel first axle of the first end The distance for extending to second end extends to this more than respectively terminal of the first end subgroup from the parallel first axle of the first end The distance at the second end.
The preparation method of 16. USB connectors according to claim 15, it is characterised in that also include:
A shell is socketed outside the pedestal.
The preparation method of 17. USB connectors according to claim 15, it is characterised in that the Second terminal Group is the terminal group of a universal serial bus 2.0, including a pair the 3rd difference signal terminals, a power supply terminal and one second earth terminals Son, and the difference signal terminal of this pair first is arranged between the power supply terminal and the difference signal terminal of this pair the 3rd, this pair second Difference signal terminal is arranged between second ground terminal and the difference signal terminal of this pair the 3rd.
The preparation method of 18. USB connectors according to claim 15, it is characterised in that the first terminal Group also includes one first ground terminal, is arranged between the difference signal terminal of this pair the 3rd.
The preparation method of 19. USB connectors according to claim 15, it is characterised in that being somebody's turn to do after punching press First end subgroup is presented height drop structure respectively with the Second terminal group.
The preparation method of 20. USB connectors according to claim 15, it is characterised in that when the pedestal bag When covering and carry the first end subgroup and the Second terminal group, the part of the first end subgroup in the pedestal and the Second terminal Part of the group in the pedestal is presented low head high.
CN201310007586.XA 2013-01-09 2013-01-09 USB connector and manufacture method CN103915725B (en)

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CN104112952A (en) * 2014-07-21 2014-10-22 深圳市九洲电器有限公司 Connection device and connection method

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CN202651517U (en) * 2012-07-03 2013-01-02 璨硕国际股份有限公司 Universal serial bus male connector structure
CN202651516U (en) * 2012-07-03 2013-01-02 璨硕国际股份有限公司 Universal serial bus female connector structure

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TWI420749B (en) * 2008-12-19 2013-12-21 Chant Sincere Co Ltd Usb connector and contact array thereof
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CN201741832U (en) * 2010-04-30 2011-02-09 富士康(昆山)电脑接插件有限公司;鸿海精密工业股份有限公司 Electric connector
CN102315534A (en) * 2010-07-08 2012-01-11 泰科电子(上海)有限公司 Electrical connector
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