Electric connectorThe relevant a kind of electric connector of the utility model especially refers to stable USB (USB) the type electric connector that is retained on the related circuit plate of a kind of energy.
Along with mobile computer develops towards miniaturization, USB (Universal SerialBus; USB) the type electric connector is used by electronic industry circle more and more widely, and fast because of transmission speed, can transmit how dissimilar electric signals, and become a kind of signal transmission standard of electronic industry, and the trend that replaces traditional I/O port is arranged.A kind of structure of existing USB electric connector as shown in Figure 1, this electric connector comprisesinsulating body 5, be housed in the plurality ofconductive terminals 6 in theinsulating body 5 and be coated on first,second shielding casing 7,8 ininsulating body 5 outsides, wherein insulatingbody 5 includes abase portion 51 and extends thebutt joint hyoplastron 52 that is provided with forward frombase portion 51, extends downwards in the diapire both sides ofbase portion 51 to be provided with a pair of supporter 511.First shielding casing 7 has interface frame,mating frame mouth 70, anoffside shielding plate 71 that is positioned at front end by single sheet metal one punch forming, interface frame,mating frame mouth 70 correspondences are coated on the periphery ofbutt joint hyoplastron 52, from thediapire 72 of interface frame,mating frame mouth 70 downwards respectively punching out one afixing pin 711 and afeet 712 are arranged, the bottom face of the bottom face offeet 712 and above-mentionedsupporter 52 is in the same plane.Bottom, second shielding casing, 8 two side is provided with a pair of fixing pin 83.When electric connector is assembled on the circuit board (not shown), thefeet 712 offirst shielding casing 7 is resisted against on the circuit board with thesupporter 511 ofinsulating body 5, so that the supporting role to electric connector integral body to be provided, simultaneously, fixingpin 711,83 inserts in the corresponding hole of circuit boards, thereby is retained on the circuit board this electric connector is stable.
Yet, because thefeet 712 and the 711 adjacent settings of fixing pin of this electric connector, very few through the latter two connectingportion place 713 clouts of punching press processing procedure, bad mechanical strength, when it and butt connector (not shown) when docking, frequent plug all may make connectingportion place 713 produce gross distortion even fractures with contact engaging and separating force improperly, and then causes interface frame,mating frame mouth 70 downward-sloping, and the reliability that telecommunication is transmitted when influencing it and docking with butt connector.In addition, thefeet 712 offirst shielding casing 7 of this electric connector and fixingpin 711 need the secondary bending and molding, labor intensive, and, rupture finished product fraction defective height during bending easily becausefeet 712 width are narrower.
The purpose of this utility model is to provide a kind of energy the stable electric connector that is retained on the related circuit plate, the feet of this electric connector is made easily, mechanical strength is good, and with the shielding casing firm and reliable connection, and it has good anti-plug performance when docking with butt connector.
For achieving the above object, the utility model adopts following scheme: electric connector comprises insulating body, plurality of conductive terminals and is coated on the covering in the insulating body outside, wherein insulating body has base portion and extends the butt joint hyoplastron of setting forward from base portion, the sidewall of butt joint hyoplastron is provided with the terminal containing slot that some extensions connect base portion, and the diapire of base portion extension downwards is provided with supporter; Plurality of conductive terminals is housed in the terminal containing slot of above-mentioned insulating body, comprises that to be used for the docking section that realize to electrically connect with butt connector and the protruding base portion that is exposed at outer and be plugged in afterbody on the circuit board; Covering includes the interface frame, mating frame mouth of the butt joint hyoplastron periphery that is coated on insulating body at least, the diapire of interface frame, mating frame mouth bends downwards to extend and is provided with holding body, and this holding body has the fixing pin that the support portion that links to each other with interface frame, mating frame mouth one and self-supporting portion extend setting downwards.When the electric connector winding was on circuit board, supporter and support portion were resisted against on the circuit board simultaneously, so that the supporting role to electric connector integral body to be provided, thereby with its stable being retained on the circuit board.
Because adopt technique scheme, the utility model electric connector can more stably be retained on the related circuit plate, and, feet is made easily, mechanical strength is good, and with the shielding casing firm and reliable connection, it has good anti-plug performance when docking with butt connector.
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Fig. 1 is the three-dimensional exploded view of the utility model electric connector.
Fig. 2 is the stereogram of first shielding casing of the utility model electric connector.
Fig. 3 is the three-dimensional combination figure of the utility model electric connector.
Fig. 4 is the three-dimensional combination figure of another angle of the utility model electric connector.
Fig. 5 is the front view that the utility model electric connector cooperates with circuit board.
Fig. 6 is the end view that the utility model electric connector cooperates with circuit board.
Fig. 7 is the three-dimensional exploded view of existing electric connector.
See also shown in Figure 1ly, the utility model electric connector comprisesinsulating body 1, is coated on the covering 2 (with reference to Fig. 3) and the plurality ofconductive terminals 3 ininsulating body 1 outside.Whereininsulating body 1 is provided with thebase portion 11 that is rectangular configuration and extends forward and be vertical laminalbutt joint hyoplastron 12 frombase portion 11, thisbase portion 11 has towards thediapire 110 and therear wall 112 of circuit board 4 (with reference to Fig. 5 and Fig. 6),base portion 11 two lateral walls are provided withprojection 114, diapire 110 convexes with a pair ofsupporter 116 downwards near the both sides ofbutt joint hyoplastron 12 1 ends, and formsguide channel 118 betweensupporter 116 and the diapire 110.In addition, the sidewall ofbutt joint hyoplastron 12 is provided with some vertical arrangements and extends back and connects theterminal containing slot 14 of base portion 11.Conductingterminal 3 is housed in theterminal containing slot 14 of above-mentionedinsulating body 1, and it has and is used for thedocking section 31 that realize to electrically connect with butt connector (not shown) and passes thediapire 110 ofbase portion 11 and be plugged onafterbody 32 on thecircuit board 4.
See also Figure 1 and Figure 2, covering 2 is coated on the outside ofinsulating body 1, comprisefirst shielding casing 21 andsecond shielding casing 22, whereinfirst shielding casing 21 is by single sheet metal one punch forming, have an interface frame,mating frame mouth 211 that is positioned at front end and anoffside shielding plate 212 that extends from both sides, interface frame,mating frame mouth 211 rear end,side shielding plate 212 trailing edges convex withcramp 213 respectively, a T-shapedflat holding body 215 is extended indiapire 214 bending downwards of interface frame,mating frame mouth 211, thisholding body 215 has thefixing pin 2151 that extends under arectangular support part 2152 that links to each other withdiapire 214 and the self-supportingportion 2152 root edge mediads, fixingpin 2151 can be plugged on thecircuit board 4 and with grounded circuit and be conducted so that the ground connection effect to be provided, and the bottom face ofset supporter 116 is in the same plane on the bottom face of thesupport portion 2152 ofholding body 215 and the aforementioned dielectric body 1.Diapire 214 both sides offirst shielding casing 21 extend back theguide feet 216 in a pair ofguide channel 118 that is housed in above-mentioned insulating body 1.Second shielding casing, 22 rear walls are provided withsquare hole 221, so that thecramp 213 onfirst shielding casing 21 passes and fastens its edge, thereby makefirst shielding casing 21 andsecond shielding casing 22 combine (with reference to Fig. 3), second shielding casing, 22 two lateral walls are provided with thefixing hole 222 on theprojection 114 that is buckled ininsulating body 1, so thatsecond shielding casing 22 is fixed on the insulating body 1.In addition, bottom, second shielding casing, 22 two side is provided with a pair offixing pin 223, can be plugged on thecircuit board 4 and with grounded circuit to be conducted so that the ground connection effect to be provided.
See also Fig. 1, Fig. 3 and shown in Figure 4, theinsulating body 1 that group is had conductingterminal 3 is in the front side group ofsecond shielding casing 22 is gone intosecond shielding casing 22, andfixing hole 222 is buckled on theprojection 114 ofinsulating body 1, therebysecond shielding casing 22 stably is coated on thebase portion 11 of insulating body 1.Then theinsulating body 1 that is coated withsecond shielding casing 22 on thebase portion 11 is gone infirst shielding casing 21 from 212 formed after-opening 217 place's groups of an offside shielding plate offirst shielding casing 21, at this moment, theguide feet 216 offirst shielding casing 21 is inserted in theguide channel 118 ofinsulating body 1, and thecramp 213 offirst shielding casing 21 bends inwards and is fastened in thesquare hole 221 ofsecond shielding casing 22, thereby forms electric connector as shown in Figures 3 and 4.
See also Fig. 5 and shown in Figure 6, when electric connector was assembled on thecircuit board 4, theafterbody 32 of conductingterminal 3 was plugged on thecircuit board 4, so that realize the electric connection of 4 of electric connector and circuit boards.Be thefixing pin 2151,223 of angular distribution and engage with corresponding hole (not shown) on thecircuit board 4, therefore, electric connector is fixed on thecircuit board 4 and is grounded effect.Thesupport portion 2152 of setholding body 215 directly is resisted against on thecircuit board 4 on thesupporter 116 of aforementioneddielectric body 1 andfirst shielding casing 21, and the bottom face of the bottom face ofsupporter 116 andsupport portion 2152 is in the same plane, electric connector is provided supporting role stably.The part broad that thesupport portion 2152 ofholding body 215 links to each other withdiapire 214 one of the interface frame,mating frame mouth 211 offirst shielding casing 21, has enough intensity, with the shielding casing firm and reliable connection, can avoid reaching because of frequent plug in the prior art situation of contact engaging and separating force causedsupport portion 2152 distortion improperly even fracture, and make electric connector have the performance of anti-plug, thereby the reliability of telecommunication transmission when guaranteeing that it docks with butt connector.Because holdingbody 215 is T word tabular configuration, go out from the 21 one punching out of first shielding casing, simple and the manufacturing easily of processing procedure, simultaneously, the connecting portion size of thesupport portion 2152 ofholding body 215 and thediapire 214 offirst shielding casing 21 is bigger, not yielding fractureing is so the finished connector product fraction defective is low.