CN207098118U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, some conducting terminals, snap close piece, shielding casing, a pair of metal clips and the circuit board being arranged between insulating body and shielding casing, insulating body has receiving space and the terminal groove being connected with receiving space, conducting terminal includes the first end subgroup and Second terminal group set along short transverse in two rows, first end subgroup is corresponding with Second terminal group and reverse arrangement, terminal groove does not run through roof and bottom wall corresponding to the insulating body along short transverse, the snap close piece has a pair of legs of the rear end face for extending backward more than insulating body and at least projection for stretching out in transverse direction and being electrically connected with shielding casing, the leg extends in the same direction and is electrically connected at the homonymy of the circuit board.The electric connector has preferable effectiveness without setting insulation wheat to draw.

Description

Electric connector

Technical field

The utility model is related to connector technique field, more particularly to it is a kind of can just anti-plug electric connector.

Background technology

With the rapid development of electronics industry science and technology, the volume of electronic product is even more along more and more frivolous, short and small Trend development, this also requires that the spare part size of electronic product is less and less, and connector industry be even more stand in the breach.

Due to requiring the smaller of USB Type-C connectors of new generation, this causes, production more preferable to mechanical property requirements Product design difficulty is higher.In order to towards more frivolous, more very thin equipment, and ensure the reliability of product structure, major producer is confused Confusingly release corresponding structure design.

Existing USB Type-C plug connectors, upper end submodule, center shield, lower end submodule are generally included Block, insulating body, lower barricade, upper barricade and shielding casing, the lower end submodule include lower insulating part and with Multiple lower conducting terminals of insulating part produced by insert molding, the upper end submodule include insulating part and are set into upper insulating part Multiple upper conducting terminals of type, the center shield are located between lower end submodule and upper end submodule, lower end submodule and Upper end submodule is installed in insulating body, and the lower barricade and upper barricade are respectively arranged at the bottom surface and surface of insulating body On, the shielding casing envelopes insulating body.

Wherein, the upper and lower barricade is engraved structure, thinks the downward tilting in front end of lower conducting terminal and upper conduction The front end of terminal, which is upturned, provides enough deformation spaces, however, because upper and lower barricade hollow out is set so that work as conduction Terminal tilt when, conducting terminal easily contact with shielding casing occur short circuit, influence the transmission of signal, for avoid conducting terminal and Short circuit occurs for shielding casing, and current way is to be bonded insulation wheat in lower barricade and upper barricade outer surface to draw, using exhausted Edge wheat is drawn occurs short circuit to obstruct conducting terminal with shielding casing.

Although aforesaid way can avoid conducting terminal that short circuit occurs with shielding casing, however, this kind of mode causes product Parts increase, and then add the assembling procedure of product so that assembling product inconvenience, had a strong impact on the production effect of product Rate.

Therefore, it is necessary to a kind of improved electric connector is provided to overcome above mentioned problem.

Utility model content

The purpose of this utility model is to provide electric connector a kind of simple in construction and with good effectiveness.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, and it includes insulating body, consolidated Due to some conducting terminals in the insulating body, snap close piece, the shielding casing being coated on outside the insulating body, it is arranged on A pair of metal clips between insulating body and shielding casing and the circuit board with conducting terminal electric connection, the insulating body With the receiving space for being available for the insertion of butt-joint socket connector and house conducting terminal and the end being connected with the receiving space Pilot trench, the conducting terminal include the first end subgroup and Second terminal group set along short transverse in two rows, the first end Subgroup is corresponding with Second terminal group and reverse arrangement, and the terminal groove is not along short transverse by corresponding to the insulating body Roof and bottom wall run through, the snap close piece have extend backward more than insulating body rear end face a pair of legs and transversely side To at least projection for stretching out and being electrically connected with shielding casing, the leg is extended in the same direction and is electrically connected at described The homonymy of circuit board.

As further improvement of the utility model, the snap close piece also has base portion and extended forward from the base portion Lock catch arm, the leg extend back from the base portion, and the base portion includes fixed part and is relatively arranged on the fixed part horizontal stroke A pair of the both sides projections on to direction, the projection from the both sides of the fixed part outwards and backward projection formed.

As further improvement of the utility model, the shielding casing is sheathed on the outer of the insulating body from front to back Side, and extended back from the frame including frame and integrally and expand outwardly the extension to be formed.

As further improvement of the utility model, the shielding casing is the gapless structure being drawn.

As further improvement of the utility model, the insulating body is provided with spacing knot prominent laterally in its rear end Structure, the rear surface of the extension are connected to the blocking surface set on front side of the position limiting structure.

As further improvement of the utility model, the insulating body includes pedestal and respectively with described first, second The integrally formed upper body of terminal group and lower body, the upper and lower body are respectively provided with joint portion on front side of it and positioned at them The installation portion of rear side, the position limiting structure are prominent laterally upper and lower respectively in its rear end for the installation portion of the upper and lower body At least one of which in limiting section.

As further improvement of the utility model, the position limiting structure by the upper and lower body upper and lower limiting section group Dress, which fastens, to be formed.

As further improvement of the utility model, the first end subgroup is respectively provided with positioned at outside with Second terminal group A pair of ground terminals and a pair of power source terminals, it is corresponding with the power supply terminal in first, second terminal group on the insulating body Opening position be not provided with along short transverse extend hole portion.

As further improvement of the utility model, each conducting terminal, which has, to be protruded into the receiving space Elastic contact arm, the holding parts being fixed in the insulating body and extended back from the holding parts and stretch out the insulation The afterbody of body, the contact arm are relatively arranged on the upper side and lower side of the receiving space in two rows.

As further improvement of the utility model, the afterbody of the conducting terminal include positioned at its anterior clamping part and Terminal part positioned at its rear portion, the top surface of the clamping part or bottom surface are the contact surface abutted against with the circuit board, in height On direction, terminal part clamping part corresponding compared to its is set away from the circuit board, and the shape between the circuit board Cheng Yourong molten tin baths.

The beneficial effects of the utility model are：Electric connector is without setting insulation wheat to draw in the utility model, and utilizes lock Fastener and shielding casing are in electrical contact to realize good effectiveness, while the leg of snap close piece is located at the same of circuit board Side is in favor of weld job.

Brief description of the drawings

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector；

Fig. 2 is the view at another visual angle of electric connector shown in Fig. 1；

Fig. 3 is the optical cable of electric connector shown in Fig. 1；

Fig. 4 is the further exploded view of electric connector shown in Fig. 3；

Fig. 5 is the further three-dimensional exploded view of electric connector shown in Fig. 4；

Fig. 6 is the three-dimensional exploded view after electric connector removes shielding casing shown in Fig. 2；

Fig. 7 is another part exploded view of electric connector shown in Fig. 1；

Fig. 8 is the stereogram of snap close piece in electric connector shown in Fig. 4；

Fig. 9 is the three-dimensional assembly diagram of the insulating body of electric connector shown in Fig. 2；

Figure 10 is the top view after electric connector shown in Fig. 1 removes shielding casing and circuit board；

Figure 11 is the sectional view along Fig. 2 center lines A-A.

Embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments The utility model is not intended to limit, structure, method or the work(that one of ordinary skill in the art is made according to these embodiments Conversion on energy is all contained in the scope of protection of the utility model.

It refer to shown in Fig. 1 to Figure 11, for the preferred embodiment of the utility model electric connector 100, the electric connector 100 include insulating body 1, some conducting terminals 2 being fixed in the insulating body 1, snap close piece 3, are coated on the insulation Shielding casing 4 outside body 1, a pair of the metal clips 5 being arranged between insulating body 1 and shielding casing 4 and with the conduction The circuit board 6 that terminal 2 is electrically connected with.

Please be shown in Fig. 2 to Fig. 6 and Fig. 8 to Figure 11, the insulating body 1 has the plug division that oval column is set 111, the inner side of plug division 111 is formed with the receiving space 110 for being available for butt-joint socket connector to insert forward or backwards.At this In embodiment, the insulating body 1 includes pedestal 11, upper body 12 and lower body 13, the upper body 12 and the lower edge of body 13 Together, the pedestal 11 is fixed on the upper body 12 and lower body 13 to the short transverse stack assembly of electric connector 100 Front side.The plug division 111 forms the front part in the pedestal 11, and the inside of plug division 111 is provided with some terminal grooves 1111。

The plug division 111 has roof 1112, the bottom wall 1113 being oppositely arranged with roof 1112 and is connected with top, bottom wall Side wall 1114, the terminal groove 1111 do not pass through roof 1112 corresponding to plug division 111 and bottom wall 1113 along short transverse Wear, that is, from the point of view of upside or downside, the conducting terminal 2 is not exposed to the roof 1112 or bottom wall of the plug division 111 1113 outsides, therefore drawn in the upper and lower side of plug division 111 without using insulation wheat, reduce amount of parts, reduce product Cost of manufacture, while decrease the assembling procedure of product so that assembling product is easier, effectively increases the life of product Produce efficiency.

The outer surface of the roof 1112 and bottom wall 1113 has respectively to be recessed to form one towards the direction of receiving space 110 Area 1115 and some accepting holes 1116 being formed there through are accommodated, the receiving area 1115 is open up or down respectively to be set to receive Hold metal clips 5, the accepting hole 1116 is connected with the receiving area 1115 of homonymy respectively.The roof 1112 and bottom wall 1113 It is upper to offer a pair of opposing respectively and positioned at the corresponding combined hole 1117 for accommodating the both sides of area 1115.

Please join shown in Fig. 4 to Fig. 7 and Fig. 9, the plug division 111 also have respectively in corresponding accepting hole 1116 and to Before some stopper sections 1118 for protruding out, each stopper section 1118 has the stop surface 1119 for tilting extension, and the backstop Face 1119 is exposed in corresponding accepting hole 1116.Wherein, the certainly corresponding stopper section of the stop surface 1119 on roof 1112 The front end of 1118 upper surface forward and extends downwardly, and the stop surface 1119 on bottom wall 1113 is from corresponding stopper section 1118 The front end of lower surface forward and upwardly extends.

The pedestal 11 has a pair of extensions 112 that the rear end face from plug division 111 extends rearwardly to form, the pair of Extension 112 is arranged at intervals to form installing space 113 therebetween in transverse direction.Also distinguish the both sides of the pedestal 11 Provided with fluting 114, a pair of flutings 114 are laterally outwardly open respectively and extend forwardly into the plug division 111, and The both sides of plug division 111 and the cross connection of receiving space 110.

The upper and lower body 12,13 is respectively provided with the joint portion 121,131 on front side of it and the installation portion positioned at rear side 122、132.Wherein described upper body 12, which also has from the downward projection in the lower surface of its joint portion 121, forms some first protruded stigmas 123 and some first accepting holes 124 for the formation that is recessed upwards from its lower surface, the accepting hole of the first protruded stigma 123 and first 124 are arranged alternately in transverse direction, and the upper body 12 also has the first accepting groove of the formation that is recessed upwards from its lower surface 125, first accepting groove 125 is positioned at the front of the first accepting hole 124.The upper surface of joint portion 131 of the lower body 13 Upward projection forms some second protruded stigmas 133 and some second accepting holes 134 for the formation that is recessed downwards from its upper surface, described Second protruded stigma 133 and the second accepting hole 134 are also arranged alternately in transverse direction, the lower body 13 also have from its upper surface to The second accepting groove 135 that lower recess is formed, second accepting groove 135 is positioned at the front of the second accepting hole 134.

After upper and lower body 12,13 snaps into the both sides up and down of snap close piece 3, first protruded stigma 123, the first accepting hole 124 align in transverse direction with the second protruded stigma 133, the second accepting hole 134, and the first protruded stigma 123 is passed down through after snap close piece 3 and inserted Enter to the second accepting hole 134, the second protruded stigma 133 is inserted into the first accepting hole 124 after being upward through snap close piece 3, in this way, shape Into the fixed structure for intersecting insertion cooperation.

The insulating body 1 has the position limiting structure positioned at its rear end, and in the present embodiment, the position limiting structure is by upper Upper limit portion 1221 that the installation portion 122 of body 12 protrudes laterally in its rear end and the installation portion 132 of lower body 13 are in its rear end The assembling of lower limit portion 1321 prominent laterally, which fastens, to be formed, in other embodiments, also can be only upper and lower limiting section 1221, One of them in 1321.The installation portion 122,132 is respectively provided with the front side portion 1222,1322 on front side of it, described upper and lower Limiting section 1221,1321 is outstanding to be set in corresponding front side portion 1222,1322.The front side portion of the upper and lower body 12,13 1222nd, 1322 in the lateral margin alignment on horizontal direction.

It please join shown in Fig. 9, the rear end of the insulating body 1 also has the installation sky for the formation that is recessed forward from end face 14 thereafter Between 15, the installing space 15 is fastened along short transverse and formed by upper body 12 and lower body 13, to house the circuit board 6. Meanwhile the upper body 12 assembles with lower body 13 and is respectively formed with scarce portion 16, a pair of institutes after the both sides on its horizontal direction State scarce portion 16 laterally outwardly to open respectively, and the scarce portion 16 is connected with the fluting 114 of respective side along the longitudinal direction.Separately Outside, upper limit portion 1221 forms the jack for along the longitudinal direction running through the position limiting structure after being fastened with the assembling of lower limit portion 1321 17, the jack 17 is also connected with the scarce portion 16, and the right jack 17 is not outwards open in transverse direction.

Fig. 4 be refer to Fig. 7 and with reference to shown in Figure 11, the conducting terminal 2 includes what is set along short transverse in two rows First end subgroup 21 and Second terminal group 22, the first end subgroup 21 is corresponding with Second terminal group 22 and reverse arrangement, and It is consistent with the USB Type C of standard terminal block Fabric.The first end subgroup 21 inlays to bury respectively with Second terminal group 22 to be fixed on In upper body 12 and lower body 13, to form upper end sub-component and lower end sub-component.

In the present embodiment, the first end subgroup 21 and Second terminal group 22 are respectively provided with 12 conducting terminals, its point It is not followed successively by：First ground terminal（Gnd）, first pair of high-speed signal terminal（TX1+-, differential signal terminal, to transmit height Fast signal）, first power supply terminal（Power/VBUS）, One function inspection terminal（CC1, to detect the function of positive anti-plug Function with recognizing CABLE）, a pair of low speed signal terminals（D+-, differential signal terminal, to transmit low speed signal）, one expand Fill terminal（SBU1, it can increase and be defined as other purposes uses）, second power supply terminal（Power/VBUS）, second pair interrogate at a high speed Number terminal（RX2+-, differential signal terminal, to transmit high-speed signal）And second ground terminal（Gnd）, and two power supplys Signal terminal between terminal（Function inspection terminal, low speed signal terminal and expansion terminal）It can be needed according to application to set.

Conducting terminal 2 in first end subgroup 21 is set with the corresponding conducting terminal 2 in Second terminal group 22 in mirror image.Its In each conducting terminal 2 have protrude into the receiving space 110 elastic contact arm 201, be fixed on body 12 Or holding parts 202 in lower body 13 and extended back from holding parts 202 and stretch out the afterbody 203 of insulating body 1, it is described to connect Contact arm 201 is relatively arranged on the upper side and lower side of receiving space 110 in two rows.In the present embodiment, the contact arm 201 is upward Or protrude into downwards in receiving space 110, and with the contact site 2011 positioned at its free end, the contact site 2011 is towards another The corresponding projection of contact arm 201 in one row.

Please join shown in Fig. 3, Fig. 4 and Fig. 7, on upper body 12 and lower body 13 with the electricity in first, second terminal group 21,22 The corresponding opening position of source terminal is simultaneously not provided with the hole portion extended along short transverse, and the corresponding opening position of other terminals is all provided with It is equipped with the hole portion 126,136 extended along short transverse.

The contact site 2011 of conducting terminal 2 in first, second terminal group 21,22 is set with respect to projection, and respectively The upper side and lower side of the receiving space 110 is arranged at, by the tongue piece of a butt connector（It is not shown）It is held on described connect Between contact portion 2011.Position of the contact site 2011 of first end subgroup 21 and Second terminal group 22 on insulating body 1 sets equal Installed with the docking site of respective terminal on the USB Type-C plug connectors of standard identical.

The afterbody 203 of the conducting terminal 2 is included positioned at anterior clamping part 2031 and the terminal part 2032 positioned at rear portion, The top surface of the clamping part 2031 or bottom surface are the contact surface abutted against with circuit board 6, in short transverse, the terminal part 2032 clamping parts 2031 corresponding compared to its are set away from circuit board 6, and formed with appearance molten tin bath 2033 between circuit board 6.

Wherein, the bottom surface of the clamping part 2031 of conducting terminal 2 is contact surface in first end subgroup 21, in Second terminal group 22 The top surface of the clamping part 2031 of conducting terminal 2 is contact surface, so so that circuit board 6 is folded in into first, second terminal group 21,22 Between the clamping part 2031 being oppositely arranged, and the appearance molten tin bath 2033 is formed in the rear side of clamping part 2031, so that itself and circuit Scolding tin after plate 6 welds is full, and then make it that electric connection is relatively reliable.

Fig. 4 be refer to Fig. 8 and with reference to shown in Figure 11, the snap close piece 3 is metal material, in the present embodiment, described Snap close piece 3 includes base portion 31, the lock catch arm 32 extended forward from base portion 31 and extends backward more than insulating body 1 from base portion 31 Rear end face for being welded in the leg 33 on circuit board 6 so that snap close piece 3 has earthing effect concurrently.The snap close piece 3 is Bilateral symmetry, the leg 33 extend in the same direction and positioned at circuit board 6 homonymy, so in order to manufacture and with circuit board 6 Weld job.The base portion 31 is overall to be designed in the form of sheets, and the lock catch arm 32 extends in the same direction from the both sides of base portion 31 in pairs Form, and be transversely arranged at the outside of the conducting terminal 2, each lock catch arm 32 has the cantilever being connected with base portion 31 321 and the snap-lock projections 322 of the end of cantilever 321 are arranged at, the snap-lock projections 322 on the lock catch arm 32 being arranged in pairs are opposite Projection.

The base portion 31 includes extending transversely and is in the fixed part 311 of strip, is relatively arranged on the horizontal stroke of fixed part 311 A pair of projections 312 of both sides, some perforation 313 and perforate 314 along short transverse through setting, the projection on to direction The bearing of trend of the bearing of trend in portion 312 and the lock catch arm 32 is on the contrary, specifically, and the projection 312 is from the fixation Projection is formed outwards and backward for the both sides in portion 311, and the leg 33 extends back from corresponding projection 312.

In the present embodiment, the perforation 313 and perforate 314 arrange in transverse direction, and the perforation 313 and perforate 314 quantity are a pair, and a pair of perforates 314 both sides on horizontal direction, namely a pair of perforation 313 respectively Between a pair of perforates 314, and the perforate 314 in opening laterally on horizontal direction.The perforation 313 and perforate 314 are inserted through for correspondence the first protruded stigma 123 on upper and lower body 12,13, the second protruded stigma 133 respectively.

The base portion 31 also has a crossbeam 315 positioned at the perforation 313 and the front of perforate 314, during assembling, the lock The base portion 31 of part 3 is fixed in the insulating body 1, and the lock catch arm 32 is protruded into receiving space 110, and vertically side To between first, second terminal group 21,22, the upper and lower both sides of the crossbeam 315 are contained in upper and lower body 12,13 respectively First, second accepting groove 125,135 in.

The front end of the shielding casing 4 has the interface frame, mating frame mouth of ellipse, and it is connected with the USB Type-C plugs of standard The interface frame, mating frame mouth of device is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, has the applicable use of positive anti-plug just Prompt sexual clorminance.In the present embodiment, the shielding casing 4 is the gapless structure that is drawn, it include frame 41 and oneself The extension 42 that the frame 41 extends back, in the present embodiment, the extension 42 are outside from the one of frame 41 What expansion was formed expands structure, wherein the height of the extension 42 is big compared with the height of the frame 41, and the extension Portion 42 is big in the distance expanded outwardly on horizontal direction compared with it in the distance expanded outwardly in short transverse.

The shielding casing 4 is sheathed on the outside of the insulating body 1 from front to back, wherein the frame 41 is sheathed on Outside the joint portion 121,131 of the pedestal 11 and upper and lower body 12,13, the extension 42 be sheathed on the installation portion 122, 132 outside of front side portion 1222,1322, and surface 420 is connected to the front side of upper and lower limiting section 1221,1321 setting thereafter Blocking surface 1223,1323.In addition, there is gap 422 between the lateral margin of the extension 42 and the front side portion 1222,1322 （As shown in figure 11）, the extension 42 extends back so that surface 420 is located at the rear side of the projection 312 thereafter, described Projection 312 is contained in the scarce portion 16 and outside projection enters in the gap 422 in transverse direction, and its side wall 3120 Compressed with the internal face of the extension 42 it is in electrical contact to realize, and this compress junction by snap close piece 3 with masking shell The radium of body 4 weldering welding, further to strengthen the effectiveness of electric connector 100.The leg 33 is housed and is positioned at correspondingly Jack 17 in, and its outside by upper and lower limiting section 1221,1321 formed the jack 17 side wall stop it is spacing.

It refer to shown in Fig. 3 to Fig. 7, Figure 10 and Figure 11, in the present embodiment, the quantity of the metal clips 5 is a pair, Each metal clips 5 has the substrate 51 being attached on the outside of the insulating body 1, from the both sides of substrate 51, bending is fixed to absolutely Stator 52 in the combined hole 1117 of edge body 1, extend forward from substrate 51 and inwardly protrude into the receiving space Supported in some in 110 shell fragment 53, from substrate 51 laterally（Up or down）The some of bending projection support shell fragment 54 outside. The substrate 51 is in continuous bending, and the interior shell fragment 53 that supports is arranged alternately in transverse direction with supporting shell fragment 54 outside, and Shell fragment 53 is supported to be abutted against with the earthing member on butt connector in described, it is described to support outside described in the outside abutting of shell fragment 54 The inwall of shielding casing 4（The roof of shielding casing 4 and/or the inner surface of bottom wall）, to form earthing effect.

It is described in support shell fragment 53 include from substrate 51 towards receiving space 110 in extension the first rake 531 and from The front end of first rake 531 reversely bends the second rake 532 of extension, the rake of the first rake 531 and second 532 junction is protruded into receiving space 110, to be abutted against with the earthing member on butt connector.

When each metal clips 5, which is put into insulating body 1 corresponding, to be accommodated in area 1115, the metal clips 5 in On fore-and-aft direction be located at conducting terminal 2 front, the substrate 51 positioned at it is described receiving area 1115 in, it is described in support shell fragment 53 Through corresponding accepting hole 1116 and protrude into receiving space 110 to be abutted against with the earthing member on butt connector.

The bearing of trend of the stop surface 1119 of the insulating body 1 with it is corresponding in support the first rake 531 of shell fragment 53 Bearing of trend it is basically identical.The stopper section 1118, which is located in described, supports the rear of shell fragment 53, and wherein stop surface 1119 is located at Set on rear side of corresponding first rake 531 and close to the first rake 531, in electric connector 100 and butt connector interworking Swapping process in, the stop surface 1119 can in rear side to it is described it is interior support shell fragment 53 the first rake 531 provide support To be kept out, to prevent from being inserted across metal clips 5 during docking with butt connector interworking.

The insertion section 62 and set respectively that the circuit board 6 extends forward with main part 61, the front end of main body 61 Thereon, some weld pads 63 of downside, the insertion section 62 in transverse direction on width it is small compared with the width of the main part 61, Therefore the shoulder 610 positioned at the both sides of insertion section 62 is formed in the front end of the main part 61.The front end both sides of the insertion section 62 Chamfering 621 is respectively equipped with, so so that it is inserted.As shown in figure 11, when circuit board 6 is assembled into the peace of the rear end of insulating body 1 When filling in space 15, the preceding surface 60 of the circuit board 6 is located in front of the rear end face of the position limiting structure of the insulating body 1, institute State insertion section 62 and be forwardly inserted installing space 15 until the shoulder 610 presses on forward upper limit portion 1221 and/or lower limit The rear end face in portion 1321（Namely the rear end face of the position limiting structure of insulating body 1）, namely the rear surface 420 of the extension 42 with The shoulder 610 of circuit board 6 is connected to the front and rear end of position limiting structure respectively.The width of the insertion section 62 and the installation are empty Between 15 width it is basically identical, so with effective locating circuit board 6, be easy to follow-up weld job.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above Body illustrates that they are simultaneously not used to limit the scope of protection of the utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of electric connector, it include insulating body, some conducting terminals being fixed in the insulating body, snap close piece, The shielding casing that is coated on outside the insulating body, a pair of metal clips being arranged between insulating body and shielding casing and with The circuit board that conducting terminal is electrically connected with, the insulating body have the receiving space for being available for butt-joint socket connector to insert and receipts Hold conducting terminal and the terminal groove being connected with the receiving space, the conducting terminal includes setting in two rows along short transverse First end subgroup and Second terminal group, the first end subgroup is corresponding with Second terminal group and reverse arrangement, its feature exist In：The terminal groove does not run through roof and bottom wall corresponding to the insulating body along short transverse, and the snap close piece has Extend backward more than a pair of legs of the rear end face of insulating body and stretch out in transverse direction and electrically connect with shielding casing At least projection connect, the leg extend in the same direction and are electrically connected at the homonymy of the circuit board.

2. electric connector as claimed in claim 1, it is characterised in that：The snap close piece also have base portion and from the base portion to The lock catch arm of preceding extension, the leg extend back from the base portion, and the base portion includes fixed part and is relatively arranged on described A pair of the both sides projections on fixed part horizontal direction, the projection is from the both sides of the fixed part outwards and to processus aboralis Stretch to be formed.

3. electric connector as claimed in claim 2, it is characterised in that：The shielding casing is sheathed on the insulation from front to back The outside of body, and extended back from the frame including frame and integrally and expand outwardly the extension to be formed.

4. electric connector as claimed in claim 3, it is characterised in that：The shielding casing is the gapless knot being drawn Structure.

5. electric connector as claimed in claim 3, it is characterised in that：The insulating body is provided with its rear end and protruded laterally Position limiting structure, the rear surface of the extension is connected to the blocking surface set on front side of the position limiting structure.

6. electric connector as claimed in claim 5, it is characterised in that：The insulating body includes pedestal and respectively with described the First, the integrally formed upper body of Second terminal group and lower body, the upper and lower body be respectively provided with joint portion on front side of it and Positioned at the installation portion of rear side, the position limiting structure protrudes laterally respectively for the installation portion of the upper and lower body in its rear end Upper and lower limiting section at least one of which.

7. electric connector as claimed in claim 6, it is characterised in that：The position limiting structure is upper and lower by the upper and lower body Limiting section assembling, which fastens, to be formed.

8. electric connector as claimed in claim 1, it is characterised in that：The first end subgroup is respectively provided with position with Second terminal group A pair of ground terminals and a pair of power source terminals in outside, on the insulating body with the power end in first, second terminal group The corresponding opening position of son is not provided with the hole portion extended along short transverse.

9. electric connector as claimed in claim 1, it is characterised in that：Each conducting terminal, which has, protrudes into the collecting Elastic contact arm in space, the holding parts being fixed in the insulating body and extend back and stretch out from the holding parts The afterbody of the insulating body, the contact arm are relatively arranged on the upper side and lower side of the receiving space in two rows.

10. electric connector as claimed in claim 9, it is characterised in that：The afterbody of the conducting terminal includes anterior positioned at it Clamping part and the terminal part positioned at its rear portion, the top surface of the clamping part or bottom surface be the contact abutted against with the circuit board Face, in short transverse, terminal part clamping part corresponding compared to its is set away from the circuit board, and with the circuit Formed with appearance molten tin bath between plate.