[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 thecircuit board 6, thiselectric connector 100 comprisesinsulating body 1, is contained in the conducting terminal ofinsulating body 1 and theshielding casing 4 of coatedinsulation body 1.
See also Fig. 3 and shown in Figure 4,insulating body 1 comprisesbody 11 and from thebody 11levels hyoplastron 12 that extends of oneforward.Body 11 is roughly rectangular-shaped, comprises thefront end face 111 that connectshyoplastron 12, therear end face 115 relative withfront end face 111 and is connected thebottom surface 112 offront end face 111 and rear end face 115.Saidbottom surface 112 is provided with aprotuberance 113 to extending below, and thisprotuberance 113 further is provided with theslotted 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 withcircuit board 6 parallel directions with the butt joint direction.Saidhyoplastron 12 frombody 11 front end faces 111 tops forward horizontal-extending form, thishyoplastron 12 for tabular and compriseupper surface 122 and withupper surface 122 opposing lower surface 121.Five second rectangular-shaped terminal grooves 124 that saidlower surface 121 is concaved with the firstterminal groove 123 of four long and narrow and is positioned at thefirst terminal groove 123 the place aheads.
Continue ginseng Fig. 3 and shown in Figure 4, conducting terminal comprises the first conductingterminal group 2 and the second conducting terminal group 3.The first conductingterminal group 2 comprises four butts, is respectively apower supply terminal 201, a pair of first difference signal terminal (comprising positive signal terminal, negative signal terminal) 202,203 and 1first earth terminal 204 from left to right.Each terminal comprises that flatmain part 21,autonomous body 21 front ends extend forward and rubber-like overshootingshape contact site 22 and theautonomous body 21 other ends horizontally extending againweld part 23 of bending downwards.Saidmain part 21 all is contained in the firstterminal groove 123 of hyoplastron withcontact site 22, and saidcontact site 22 protrudes out thelower surface 121 ofhyoplastron 12 downwards.Saidweld part 23 is at theweld 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 andinsulating body 1; This second conducting terminal group 3 comprises five butts, is respectively a pair of second difference signal terminal 301,302, onesecond earth terminal 303 and a pair of the 3rd difference signal terminal 304,305 from left to right.Each terminal comprises aweld part 31 that extendsinsulating body 1, and thoseweld parts 31 are welded inweld tabs 61 and are arranged in a row on longitudinally with theweld part 23 of the first conductingterminal group 2.
Shielding casing 4 is coated on the outside ofinsulating body 1, the twoside 43 that thisshielding casing 4 comprisesroof 41, thediapire 42 relative withroof 41 and is connectedroof 41 and diapire 42.Said twoside 43 is extended with downwards in its rear end in order to be installed to thefixing pin 44 on thecircuit board 6; Saidroof 41,diapire 42 enclose jointly with twoside 43 andform interface 46, andsidewall 43 is clapped broken and towards theleg 45 of circuit board bending being provided withnear interface 46places.Fixing pin 44 is respectively welded to first corresponding on thecircuit board 6welding hole 62 andsecond welding hole 63 with leg 45.Saiddiapire 42 is pressed in side blow thereafter and is formed withlamellar body 420, thereby the corresponding slottedeye 114 that insertsinsulating bodies 1 of thislamellar body 420 withinsulating body 1 andshielding casing 4 better fixing together.One roughly be " U "type bonnet 5 be held in from back to front on theshielding casing 4, thisbonnet 5 comprisesocclusion part 51 and is positioned at theholding part 52 ofocclusion part 51 both sides.Occlusionpart 51 lateral margin on it is extended with a pair ofshell fragment 510 to shieldingcasing 4 inside, androof 41 rear sides ofshielding casing 4 are provided with the throughhole 410 corresponding withshell fragment 510, andshell fragment 510 is fastened in the through hole 410.Simultaneously, holdingpart 52 is provided withrelative projection 520 in its inboard, and thisprojection 520 is held in second throughhole 430 thatshielding casing 4sidewalls 43 are provided with.Bonnet 5 can prevent that dust or foreign matter from getting intoelectric connector 100 inside, thereby conducting terminal is played a protective role.
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 andfirst 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, thesecond earth terminals 303 andpower 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 andsecond 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; Causesecond earth terminal 303 andfirst 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; Causefirst earth terminal 204 andsecond 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 conductingterminal 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 saidfirst earth terminal 204, the weld part ofsecond earth terminal 303 or the weld part ofpower 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.