CN102544812A - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN102544812A CN102544812A CN201010612305XA CN201010612305A CN102544812A CN 102544812 A CN102544812 A CN 102544812A CN 201010612305X A CN201010612305X A CN 201010612305XA CN 201010612305 A CN201010612305 A CN 201010612305A CN 102544812 A CN102544812 A CN 102544812A
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- terminal
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- signal terminal
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- weld part
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Abstract
The invention discloses an electric connector comprising an insulating body as well as a first conducting terminal group and a second conducting terminal group which are contained in the insulating body, wherein the first conducting terminal group comprises a pair of first differential signal terminals, a grounding terminal and a power terminal; the second conducting terminal group comprises a pair of second differential signal terminals, a pair of third differential signal terminals and a second grounding terminal; welding parts of the first conducting terminal group and the second conducting terminal group are arranged in the same row; welding parts of the second differential signal terminals and the third differential signal terminals are respectively arranged at the outermost sides of two ends of a longitudinal direction of the electric connector; a welding part of the first differential signal terminals is arranged between the welding parts of the second differential signal terminals and the third differential signal terminals; and the welding parts of the first differential signal terminals and the second differential signal terminals and the welding parts of the first differential signal terminals and the third differential signal terminals are isolated by a welding part of the first grounding terminal, the second grounding terminal or the power terminal. Through the rearrangement of an arrangement way of the conducting terminals, the conducting terminals can prevent signal crosstalk, and meanwhile, the amount of the welding parts is not increased, so that the welding cost is reduced.
Description
[technical field]
The present invention relates to a kind of electric connector, relate in particular to and a kind ofly be welded to the electric connector on the circuit board through the surface soldered mode.
[background technology]
The novel patent of TaiWan, China has disclosed a kind of electric connector M361797 number; Comprise insulating body, two groups of high-frequency signal terminals, one group of low frequency signal terminal, one group of power supply terminal, an earth terminal and metal shell, each organize high-frequency signal terminal, low frequency signal terminal, power supply terminal and earth terminal be embedded in this insulating body respectively and be provided with extend insulating body leg to be welded on the circuit board.The metal shell frame encloses outside this insulating body and is welded on this circuit board.The leg of said earth terminal is divided into two and forms two ground connection legs.The leg of low frequency signal terminal is welded on the circuit board between the two ground connection legs and isolated with the leg of each group high-frequency signal terminal.Therefore the high and low frequency signal terminal of electric connector is when carrying out the signal transmission, and the Electromagnetic Interference of generation can be blocked and eliminate through ground connection by two ground connection legs.But the method that adopts leg to be divided into two will make terminal leg sum increase by one, and the weld tabs on the corresponding electrical circuits plate also will increase by one, this arranging of weld tabs on the circuit board, and also increased welding cost.
Therefore, be necessary the aforementioned electric connector is improved to solve aforementioned disadvantages of the prior art in fact.
[summary of the invention]
Main purpose of the present invention is to provide a kind of electric connector, and its terminal weld part with optimization is arranged and is convenient to welding.
For reaching above-mentioned purpose; The present invention adopts following technical scheme: a kind of electric connector; In order to be welded on the circuit board; It comprises: insulating body and be contained in the first conducting terminal group, the second conducting terminal group in the insulating body; Said insulating body is provided with body and reaches from the horizontally extending forward hyoplastron of body; The said first conducting terminal group comprises a pair of first difference signal terminal, an earth terminal and a power supply terminal; Each terminal of the first conducting terminal group is provided with contact site that extends into hyoplastron and the weld part that extends insulating body, and the said second conducting terminal group comprises a pair of second difference signal terminal, a pair of the 3rd difference signal terminal and one second earth terminal, and each terminal of the second conducting terminal group is provided with a weld part that extends insulating body; The welding position of first, second conducting terminal group is provided with in same row; The weld part of second, third difference signal terminal is arranged in electric connector longitudinally two ends outermost respectively, and the weld part of first difference signal terminal is arranged between the weld part of second, third difference signal terminal, and the weld part of the weld part of first difference signal terminal and second difference signal terminal and first difference signal terminal and the 3rd difference signal terminal is separated by the weld part of said first earth terminal, second earth terminal or power supply terminal.
Compared with prior art, the advantage of electric connector of the present invention is: through the preferred arrangement of conducting terminal arrangement mode, can make conducting terminal not increase weld part quantity when preventing signal cross-talk satisfying, thereby practice thrift welding cost.
[description of drawings]
Fig. 1 is that electric connector of the present invention is assembled in the three-dimensional combination figure on the circuit board;
Fig. 2 is the three-dimensional combination figure that electric connector of the present invention is assembled in another angle on the circuit board;
Fig. 3 is the three-dimensional exploded view of electric connector of the present invention;
Fig. 4 is the three-dimensional exploded view of another angle of electric connector of the present invention;
Fig. 5 is the sketch map that the conducting terminal weld part of electric connector of the present invention is arranged;
Fig. 6 is the sketch map that the conducting terminal weld part of electric connector second execution mode of the present invention is arranged;
Fig. 7 is the sketch map that the conducting terminal weld part of electric connector the 3rd execution mode of the present invention is arranged;
Fig. 8 is the sketch map that the conducting terminal weld part of electric connector the 4th execution mode of the present invention is arranged;
Fig. 9 is the sketch map that the conducting terminal weld part of electric connector the 5th execution mode of the present invention is arranged;
Figure 10 is the sketch map that the conducting terminal weld part of electric connector the 6th execution mode of the present invention is arranged.
[embodiment]
Please referring to figs. 1 through shown in Figure 4; Electric connector 100 of the present invention is a USB 3.0A type socket connector; Can be installed on and supply USB 2.0A type banjo (not icon) and USB 3.0A type banjo (not icon) grafting on the circuit board 6, this electric connector 100 comprises insulating body 1, is contained in the conducting terminal of insulating body 1 and the shielding casing 4 of coated insulation body 1.
See also Fig. 3 and shown in Figure 4, insulating body 1 comprises body 11 and from the body 11 levels hyoplastron 12 that extends of one forward.Body 11 is roughly rectangular-shaped, comprises the front end face 111 that connects hyoplastron 12, the rear end face 115 relative with front end face 111 and is connected the bottom surface 112 of front end face 111 and rear end face 115.Said bottom surface 112 is provided with a protuberance 113 to extending below, and this protuberance 113 further is provided with the slotted eye 114 that connects along the butt joint direction.For ease of explanation, will be vertical and be defined as the longitudinally of electric connector with circuit board 6 parallel directions with the butt joint direction.Said hyoplastron 12 from body 11 front end faces 111 tops forward horizontal-extending form, this hyoplastron 12 for tabular and comprise upper surface 122 and with upper surface 122 opposing lower surface 121.Five second rectangular-shaped terminal grooves 124 that said lower surface 121 is concaved with the first terminal groove 123 of four long and narrow and is positioned at the first terminal groove 123 the place aheads.
Continue ginseng Fig. 3 and shown in Figure 4, conducting terminal comprises the first conducting terminal group 2 and the second conducting terminal group 3.The first conducting terminal group 2 comprises four butts, is respectively a power supply terminal 201, a pair of first difference signal terminal (comprising positive signal terminal, negative signal terminal) 202,203 and 1 first earth terminal 204 from left to right.Each terminal comprises that flat main part 21, autonomous body 21 front ends extend forward and rubber-like overshooting shape contact site 22 and the autonomous body 21 other ends horizontally extending again weld part 23 of bending downwards.Said main part 21 all is contained in the first terminal groove 123 of hyoplastron with contact site 22, and said contact site 22 protrudes out the lower surface 121 of hyoplastron 12 downwards.Said weld part 23 is at the weld tabs 61 that is arranged in a row on the longitudinally and is welded on the circuit board 6.The second conducting terminal group 3 is one-body molded in injection phase and insulating body 1; This second conducting terminal group 3 comprises five butts, is respectively a pair of second difference signal terminal 301,302, one second earth terminal 303 and a pair of the 3rd difference signal terminal 304,305 from left to right.Each terminal comprises a weld part 31 that extends insulating body 1, and those weld parts 31 are welded in weld tabs 61 and are arranged in a row on longitudinally with the weld part 23 of the first conducting terminal group 2.
Please join shown in Figure 5; This is the arrangement mode of conducting terminal weld part of the present invention, and the conducting terminal that each weld part is corresponding arrays from left to right on longitudinally and is: the 3rd difference signal terminal 305,304, first earth terminal 204, first difference signal terminal 203,202, power supply terminal 201, second earth terminal 303, second difference signal terminal 302,301.First earth terminal 204 the 3rd difference signal terminal 305,304 and first difference signal terminal 203,202, power supply terminal 201 and second earth terminal, 303 interval first difference signal terminal 203,202 and second difference signal terminal 302,301 at interval wherein.This arranging can prevent respectively to organize difference signal terminal (305,304), (203,202), (302,301) when carrying out the signal transmission, phase mutual interference and influence the transmission quality of the signal of telecommunication.
Please join shown in Figure 6; This is the arrangement mode of the conducting terminal weld part of second embodiment of the invention, and the conducting terminal that each weld part is corresponding arrays from left to right on longitudinally and is: the 3rd difference signal terminal 305,304, second earth terminal 303, first earth terminal 204, first difference signal terminal 203,202, power supply terminal 201, second difference signal terminal 302,301.Second earth terminal 303 and first earth terminal 204 the 3rd difference signal terminal 305,304 and first difference signal terminal 203,202 at interval wherein, power supply terminal 201 interval first difference signal terminal 203,202 and second difference signal terminal 302,301.This arranging can prevent respectively to organize difference signal terminal (305,304), (203,202), (302,301) when carrying out the signal transmission, phase mutual interference and influence the transmission quality of the signal of telecommunication.
Please join shown in Figure 7; This is the arrangement mode of the conducting terminal weld part of third embodiment of the invention, and the conducting terminal that each weld part is corresponding arrays from left to right on longitudinally and is: the 3rd difference signal terminal 305,304, first earth terminal 204, first difference signal terminal 203,202, second earth terminal 303, power supply terminal 201, second difference signal terminal 302,301.First earth terminal 204 the 3rd difference signal terminal 305,304 and first difference signal terminal, 203,202, the second earth terminals 303 and power supply terminal 201 interval first difference signal terminal 203,202 and second difference signal terminal 302,301 at interval wherein.This arranging can prevent respectively to organize difference signal terminal (305,304), (203,202), (302,301) when carrying out the signal transmission, phase mutual interference and influence the transmission quality of the signal of telecommunication.
Please join shown in Figure 8; This is the arrangement mode of the conducting terminal weld part of fourth embodiment of the invention, and the conducting terminal corresponding with each weld part arrays from left to right on longitudinally and be: the 3rd difference signal terminal 305,304, first earth terminal 204, second earth terminal 303, first difference signal terminal 203,202, power supply terminal 201, second difference signal terminal 302,301.First earth terminal 204 and second earth terminal 303 the 3rd difference signal terminal 305,304 and first difference signal terminal 203,202 at interval wherein, power supply terminal 201 interval first difference signal terminal 203,202 and second difference signal terminal 302,301.This arranging can prevent respectively to organize difference signal terminal (305,304), (203,202), (302,301) when carrying out the signal transmission, phase mutual interference and influence the transmission quality of the signal of telecommunication.
Please join shown in Figure 9; This is the arrangement mode of the conducting terminal weld part of fifth embodiment of the invention; Be the further optimization to second embodiment of the invention, the conducting terminal that each weld part is corresponding arrays from left to right on longitudinally and is: the 3rd difference signal terminal 305,304, second earth terminal 303, first earth terminal 204, first difference signal terminal 203,202, power supply terminal 201, second difference signal terminal 302,301.But; Cause second earth terminal 303 and first earth terminal 204 all play grounding function; Can both be welded on the same weld tabs; This arrangement mode can also make the sum of weld tabs reduce one, thereby can save circuit board space when preventing respectively to organize the mutual interference of difference signal terminal phase.In addition, because the weld tabs sum reduces, each weld tabs area can suitably increase, thereby helps improving the welding effect of conducting terminal.
Please join shown in Figure 10; This is the arrangement mode of the conducting terminal weld part of sixth embodiment of the invention; Be the further optimization to fourth embodiment of the invention, the conducting terminal that each weld part is corresponding arrays from left to right on longitudinally and is: the 3rd difference signal terminal 305,304, first earth terminal 204, second earth terminal 303, first difference signal terminal 203,202, power supply terminal 201, second difference signal terminal 302,301.But; Cause first earth terminal 204 and second earth terminal 303 all play grounding function; Can both be welded on the same weld tabs; This arrangement mode can also make the sum of weld tabs reduce one, thereby can save circuit board space when preventing respectively to organize the mutual interference of difference signal terminal phase.In addition, because the weld tabs sum reduces, each weld tabs area can suitably increase, thereby helps improving the welding effect of conducting terminal.
The present invention arranges the arrangement mode of the weld part of the first conducting terminal group 2 and the second conducting terminal group 3 again; Make the weld part of weld part and second difference signal terminal 302,301 of the 3rd difference signal terminal 305,304 of the second conducting terminal group 3 be arranged in the outermost end of electric connector longitudinally both sides respectively; The welding foot of first difference signal terminal 203,202 of the first conducting terminal group is arranged between the weld part of the 3rd difference signal terminal 305,304 and second difference signal terminal 302,301, separates to prevent mutual interference mutually in signals transmission by said first earth terminal 204, the weld part of second earth terminal 303 or the weld part of power supply terminal 201 between the weld part of the weld part of first difference signal terminal 203,202 and second difference signal terminal 302,301 and between the weld part of the weld part of first difference signal terminal 203,202 and the 3rd difference signal terminal 305,304.This kind arrangement mode prevents under the prerequisite of signal cross-talk satisfying, and makes on the circuit board weld tabs quantity identical with conducting terminal weld part quantity or be less than weld part quantity, not only helps board design, also practiced thrift welding cost.
Claims (10)
1. electric connector; In order to be welded on the circuit board; It comprises: insulating body and be contained in the first conducting terminal group, the second conducting terminal group in the insulating body; Said insulating body is provided with body and reaches from the horizontally extending forward hyoplastron of body; The said first conducting terminal group comprises a pair of first difference signal terminal, an earth terminal and a power supply terminal; Each terminal of the first conducting terminal group is provided with contact site that extends into hyoplastron and the weld part that extends insulating body; The said second conducting terminal group comprises a pair of second difference signal terminal, a pair of the 3rd difference signal terminal and one second earth terminal; Each terminal of the second conducting terminal group is provided with a weld part that extends insulating body, and it is characterized in that: the welding position of first, second conducting terminal group is provided with in same row, and the weld part of second, third difference signal terminal is arranged in electric connector longitudinally two ends outermost respectively; The weld part of first difference signal terminal is arranged between the weld part of second, third difference signal terminal, and the weld part of the weld part of first difference signal terminal and second difference signal terminal and first difference signal terminal and the 3rd difference signal terminal is separated by the weld part of said first earth terminal, second earth terminal or power supply terminal.
2. electric connector as claimed in claim 1 is characterized in that: the weld part of the said first conducting terminal group and the second conducting terminal group is arranged according to the arrangement mode of the 3rd difference signal terminal, first earth terminal, first difference signal terminal, power supply terminal, second earth terminal, second difference signal terminal on longitudinally from left to right.
3. electric connector as claimed in claim 1 is characterized in that: the weld part of the said first conducting terminal group and the second conducting terminal group is arranged according to the arrangement mode of the 3rd difference signal terminal, second earth terminal, first earth terminal, first difference signal terminal, power supply terminal, second difference signal terminal on longitudinally from left to right.
4. electric connector as claimed in claim 1 is characterized in that: the weld part of the said first conducting terminal group and the second conducting terminal group is arranged according to the arrangement mode of the 3rd difference signal terminal, first earth terminal, first difference signal terminal, power supply terminal, second earth terminal, second difference signal terminal on longitudinally from left to right.
5. electric connector as claimed in claim 1 is characterized in that: the weld part of the said first conducting terminal group and the second conducting terminal group is arranged according to the arrangement mode of the 3rd difference signal terminal, first earth terminal, second earth terminal, first difference signal terminal, power supply terminal, second difference signal terminal on longitudinally from left to right.
6. electric connector as claimed in claim 3 is characterized in that: the weld part of said second earth terminal and first earth terminal is welded on the same weld tabs that circuit board is provided with.
7. electric connector as claimed in claim 5 is characterized in that: the weld part of said first earth terminal and second earth terminal is welded on the same weld tabs that circuit board is provided with.
8. like each described electric connector in the claim 1 to 7, it is characterized in that: said electric connector comprises that also frame encloses in the shielding casing in the insulating body outside, and this shielding casing is provided with sidewall and on sidewall, is provided with leg and the fixing pin.
9. electric connector as claimed in claim 8 is characterized in that: insulating body is extended with protuberance in the body downside, and protuberance is provided with the through hole that runs through, and shielding casing is provided with the lamellar body that protrudes out and is contained in the said through hole.
10. electric connector as claimed in claim 9 is characterized in that: said hyoplastron is provided with the terminal groove of accommodating the first conducting terminal groups of contact portion, and said contact site protrudes out outside the terminal groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010612305XA CN102544812A (en) | 2010-12-29 | 2010-12-29 | Electric connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010612305XA CN102544812A (en) | 2010-12-29 | 2010-12-29 | Electric connector |
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CN102544812A true CN102544812A (en) | 2012-07-04 |
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CN201010612305XA Pending CN102544812A (en) | 2010-12-29 | 2010-12-29 | Electric connector |
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