CN206340782U - A kind of electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, some conducting terminals being fixed in insulating body, snap close piece and the shielding casing being coated on outside insulating body, the conducting terminal is divided into the first end subgroup and Second terminal group set in two rows, the conducting terminal includes some independent terminals and some disjunctor terminals, each independent terminals have a contact arm, the conducting terminal of both sides conducting terminal corresponding with Second terminal group is integrally connected together to disjunctor terminal respectively on the first end subgroup horizontal direction, each disjunctor terminal has a pair of contact arms, the disjunctor terminal includes two pairs of additional ground terminals, spacing between spacing between the contact arm for a pair of additional ground terminals being oppositely arranged along the short transverse contact arm relative compared with other any twos in two row's terminal groups is big.The additional ground terminal of the electric connector is in tuning fork-like and can be contacted with the earthing member of butt connector.

Description

A kind of 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 developing rapidly for 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 is even more to 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 producers are confused Confusingly release corresponding structure design.

Existing USB Type-C plug connectors, are generally provided with the earthing member with butt-joint socket connector in its front end The earthing or grounding means of contact, to realize shield effectiveness, the structure setting for being arranged such plug connector is complex, parts Many, structural stability is poor.

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

Utility model content

The purpose of this utility model is to provide a kind of with the additional ground that can be contacted with the earthing member of butt connector The electric connector of terminal.

To realize above-mentioned utility model purpose, the utility model provides a kind of electric connector, and it includes insulating body, consolidated Due to some conducting terminals in the insulating body, the snap close piece positioned at the conducting terminal both sides and it is coated on the insulation This external shielding casing, the insulating body has the receiving space for being available for butt-joint socket connector to insert, the conducting end Son is divided into the first end subgroup and Second terminal group set along short transverse in two rows, and the conducting terminal includes some separate ends Sub and some disjunctor terminals, each independent terminals have the contact arm protruded into receiving space, the first end subgroup The conducting terminal of both sides conducting terminal corresponding with Second terminal group is integrally connected together to the disjunctor respectively on horizontal direction Terminal, each disjunctor terminal, which has, to be oppositely arranged along short transverse and protrudes into a pair of in receiving space contacts Arm, the disjunctor terminal includes two pairs of additional ground terminals being oppositely arranged respectively along short transverse, is set along short transverse is relative Spacing between contact arm described in a pair of additional ground terminal described in a pair put is compared with other any twos in two row's terminal groups Spacing between relative contact arm is big.

As further improvement of the utility model, the front end of the contact arm of the additional ground terminal is protruded out forward The front end of other conducting terminals in row's terminal group.

As further improvement of the utility model, the insulating body has the docking section being located in front of it, described right The roof and bottom wall of socket part have a pair of slits being run through along short transverse respectively, a pair of slits of the roof respectively with A pair of slits on bottom wall are oppositely arranged and alignd along short transverse, the contact arm of the additional ground terminal respectively with it is described narrow Groove is corresponded to up and down.

As further improvement of the utility model, the insulating body is provided through some terminals along the longitudinal direction Groove, horizontal direction of the terminal groove along electric connector is arranged side by side and does not run through insulating body along short transverse, each The rear end face of the terminal groove from the insulating body extends forwardly into the inner side of the docking section and is connected with receiving space.

As further improvement of the utility model, the first end subgroup assembles solid from back to front with Second terminal group Due in the corresponding end pilot trench of the insulating body.

As further improvement of the utility model, each independent terminals, which also have, to be fixed in the terminal groove The independent terminals in holding parts and the afterbody that the insulating body is extended back and stretched out from holding parts, row's terminal group The holding parts be protruded towards correspondence independent terminals in another row to be formed increase portion.

As further improvement of the utility model, at least side of the holding parts is provided with and insulating body interference engagement The first interference part, the top surface of first interference part and the terminal groove or bottom surface interference are combined.

As further improvement of the utility model, each disjunctor terminal, which also has, is fixed on the insulating body Holding parts in terminal groove and at least afterbody that the insulating body is extended back and stretched out from the holding parts, it is described solid Hold portion and be located at the pair of contact arm rear and the composition opening tuning fork-like structure facing forward that is connected with this pair of contact arm one.

As further improvement of the utility model, on the horizontal direction of electric connector, each conducting terminal Width is always consistent from front to back, and the conducting terminal in first end subgroup and the corresponding conducting terminal in Second terminal group Set in mirror image.

As further improvement of the utility model, the first end subgroup is corresponding with Second terminal group and reverse row Cloth, and often row's terminal group includes a pair of ground terminals, the pair of additional ground terminal, a pair of power source terminals, a pair of signals Terminal, an inspection terminal and an expansion terminal, inspection terminal, a pair of signal terminals and the expansion end of the first end subgroup It is sub independent of one another with the Second terminal group corresponding conducting terminal, to form the independent terminals, first, second terminal Other conducting terminals in group in addition to inspection terminal, a pair of signal terminals and expansion end are the disjunctor terminal.

The beneficial effects of the utility model are：Electric connector in the utility model has some independent terminals and disjunctor end Son, and disjunctor terminal is including two pairs of additional ground terminals, described in a pair of additional ground terminals being oppositely arranged along short transverse Spacing between spacing between a pair of contact arms contact arm relative compared with other any twos in two row's terminal groups is big, with it is right The earthing member contact of connecting connector.

Brief description of the drawings

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

Fig. 2 is the three-dimensional assembly diagram after electric connector shown in Fig. 1 removes shielding casing and circuit board；

Fig. 3 is the three-dimensional exploded view of electric connector shown in Fig. 1；

Fig. 4 is the three-dimensional exploded view of electric connector shown in Fig. 2；

Fig. 5 is the view at another visual angle of electric connector shown in Fig. 2；

Fig. 6 is the sectional view of A-A along electric connector shown in Fig. 2；

Fig. 7 is the sectional view of B-B along electric connector shown in Fig. 2；

Fig. 8 is the schematic perspective view of conducting terminal in Fig. 3；

Fig. 9 is the additional ground terminal of electric connector in Fig. 3 and the floor map of a pair of independent terminals.

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 work(that one of ordinary skill in the art is made according to these embodiments Conversion on energy is all contained in protection domain of the present utility model.

It refer to shown in Fig. 1 to Fig. 9, be 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 and the circuit board 5 being electrically connected with positioned at the rear of insulating body 1 and with conducting terminal 2.

Please be shown in Fig. 2 to Fig. 9, the insulating body 1 has main part 11, is arranged at the docking section 12 in the front of main part 11 And positioned at the rear of main part 11 and outstanding installation portion 13, wherein the main part 11 is in ellipse on the whole with docking section 12 Circular cylindrical shape is set, and the inner side of the docking section 12 is formed with the receiving space 120 of forwards open setting, so that butt-joint socket connects Device is connect to insert forward or backwards.The insulating body 1 is provided through some terminal grooves 10, the terminal groove 10 along the longitudinal direction It is arranged side by side and not runs through insulating body 1 along short transverse along the horizontal direction of electric connector 100.Each terminal groove The rear end face of 10 self-insulating bodies 1 extends forwardly into the inner side of the docking section 12 and is connected with receiving space 120.

It is spaced apart between two adjacent terminal grooves 10 by the jube 110 set in main part 11, it is some described Jube 110 is arranged side by side inside insulating body 1 in transverse direction, and terminal described in one is formed between two adjacent jubes 110 Groove 10.The roof and bottom wall of the main part 11 are connected by the jube 110.Four ends in the middle of the insulating body 1 It is provided with pilot trench 10 along short transverse and is divided into two-part spaced walls 112 up and down.The roof of the main part 11 and The outer surface difference of bottom wall is outstanding to form some buckle blocks 113.

The docking section 12 has roof 121 and the bottom wall 122 that is oppositely arranged with the roof 121, the roof 121 and Bottom wall 122 has a pair of slits 123 for being run through along short transverse respectively, a pair of slits 123 of roof 121 respectively with bottom wall A pair of slits 123 on 122 are oppositely arranged and alignd along short transverse, the structure of a pair of slits 123 being oppositely arranged along short transverse Into one group, the docking section 12 have be located at horizontal direction on both sides two groups of slits 123, each group of slit 123 with it The corresponding terminal groove 10 in side and rear is connected.

The both sides of the insulating body 1 be respectively arranged with the groove 14 extended along the longitudinal direction, holding slot 15 and positioned at pair The scarce portion 16 in the front of groove 14 is answered, the groove 14 is located at the correspondence position of the both sides of main part 11, and the holding slot 15 is located at peace The both sides correspondence position in dress portion 13 and installation portion 13 is run through along the longitudinal direction.

It refer to shown in Fig. 3 to Fig. 9, the conducting terminal 2 includes the first end subgroup set along short transverse in two rows 21 and Second terminal group 22, the first end subgroup 21 is corresponding with Second terminal group 22 and reverse arrangement.With first end subgroup Exemplified by 21, it includes a pair of ground terminal 21a, a pair of additional ground terminal 21b, a pair of power source terminals 21c, a pair of signal terminals 21d, an inspection terminal 21f（CC1, function and identification CABLE function to detect positive anti-plug）And an expansion terminal 21g（SBU1, can increase and be defined as other purposes and use）, and inspection terminal 21f, a pair of signal terminal 21d and expansion terminal 21g It is located at the middle part of the first end subgroup 21 in transverse direction, the pair of ground terminal 21a is located at outermost, a pair of power ends Sub- 21c is located at the inspection terminal 21f or expands terminal 21g outside, and a pair of additional ground terminal 21b are located at adjacent ground terminal Sub- 21a inner side, power supply terminal 21c outside.

The corresponding end of insulating body 1 is fixed in assembling to the first end subgroup 21 from back to front respectively with Second terminal group 22 In pilot trench 10.On the horizontal direction of electric connector 100, the width of each conducting terminal 2 remains one from front to back Cause, and the conducting terminal 2 in first end subgroup 21 is set with the corresponding conducting terminal 2 in Second terminal group 22 in mirror image.

Divided from structure, the conducting terminal 2 includes some independent terminals 23 and some disjunctor terminals 24, described first Four conducting terminals in the middle of terminal group 21（Inspection terminal 21f, a pair of signal terminal 21d and expansion terminal 21g）With the second end The corresponding conducting terminal of subgroup 22 independently of one another, so as to form independent terminals 23, insert from back to front respectively by the independent terminals 23 Enter in four terminal grooves 10 in the middle of the insulating body 1.The conducting terminal 2 of both sides and on the horizontal direction of first end subgroup 21 Correspondence conducting terminal 2 is integrally connected together to the disjunctor terminal 24 respectively in two-terminal group 22, therefore more square in assembling Just.In the present embodiment, except four middle conducting terminals（Inspection terminal 21f, a pair of signal terminal 21d and expansion terminal 21g）Other outer conducting terminals are disjunctor terminal 24.

Independent terminals 23 described in each of which have the elastic contact arm 231 protruded into receiving space 120, are fixed on absolutely Holding parts 232 in the terminal groove 10 of edge body 1 and the afterbody that insulating body 1 is extended back and stretched out from holding parts 232 233, the contact arm 231 is relatively arranged on the upper side and lower side of receiving space 120 in two rows.In the present embodiment, it is described to connect Contact arm 231 is protruded into the receiving space 120 up or down, and with the contact site 2311 positioned at its free end, it is described Contact site 2311 is towards the corresponding projection of contact arm 231 in another row.

The holding parts 232 of each independent terminals 23 are that correspondence independent terminals 23 protrude adding for formation towards in another row High portion, in the present embodiment, the upper and lower both sides of the holding parts 232 are equipped with the first interference with the interference engagement of insulating body 1 Combination is interfered in the top of portion 2321, first interference part 2321 and the terminal groove 10, bottom surface respectively.In other embodiments, First interference part 2321 can also be only arranged at the side of the holding parts 232.

Each disjunctor terminal 24 has one for being oppositely arranged and protruding into the receiving space 120 along short transverse Prolong backward to elastic contact arm 241, the holding parts being fixed in the terminal groove 10 of the insulating body 242 and from holding parts 242 The afterbody 243 of insulating body 1 is stretched and stretches out, the holding parts 242 are located at the pair of rear of contact arm 241 and docked with this The one of contact arm 241 is connected, therefore a pair of the contact arms 241 and holding parts 242 of each disjunctor terminal 24 are two pair one of pair It should be related to, and connect and compose the tuning fork-like structure facing forward that is open.It is empty that the pair of contact arm 241 protrudes into collecting up or down Between in 120, and with the contact site 2411 positioned at its free end, the contact site of one of them in a pair of contact arms 241 2411 towards another the projection of contact arm 241.In the short transverse of the electric connector 100, the disjunctor terminal 24 Holding parts 242 are prominent up and/or down to form the second interference part 2421.

In the present embodiment, the afterbody 243 of each disjunctor terminal 24 is a pair, and afterbody 233 is right with it described in a pair The holding parts 242 answered constitute the tuning fork-like structure of opening backwards.In other embodiments, the afterbody 243 of the disjunctor terminal 24 Also it can be only one, namely the contact arm 241 of each disjunctor terminal 24 is also two pair one of corresponding relation with afterbody 243.

The contact arm 241 of the disjunctor terminal 24 is identical with the shape of contact arm 231 and structure of independent terminals 23, and even Body end 24 is located at the contact arm 241 of upper row and the contact arm 231 of the independent terminals 23 of upper row collectively forms first end subgroup 21 Contact arm, the contact arm 241 and the contact arm 231 of the independent terminals 23 of lower row that lower row is located in disjunctor terminal 24 collectively form The contact arm of Second terminal group 22.

The relative projection of the contact site 231,241 of conducting terminal 2 in first, second terminal group 21,22 is set, and The upper side and lower side of the receiving space 120 is respectively arranged at, by the tongue piece of a butt connector（It is not shown）It is held on institute State between contact site 2311,2411.

Meanwhile, the terminal groove 10 is corresponding with the contact site 2311, about 2411 of the conducting terminal 2, wherein described attached Plus the contact site 2411 of ground terminal also with the slit of the insulating body 1 about 123 it is corresponding, to provide connecing for conducting terminal 2 The space that contact portion 2311,2411 is outwards floated, facilitates the grafting of butt connector.

The front end of contact arm 241 of the ground terminal and power supply terminal is with arranging together the conducting end of centre four in terminal group The front end of son is transversely concordant, and the front end of the contact arm 241 of additional ground terminal is protruded out forward beyond with row's terminal group In other terminals front end so that the contact arm 241 of additional ground terminal and butt-joint socket connector（Do not scheme Show）Hyoplastron rear portion set earthing member contact.

Spacing between a pair of the contact arms 241 for a pair of additional ground terminals being oppositely arranged along short transverse is compared with two row ends Subgroup（First, second terminal group）In spacing between the relative contact arm 231,241 of other any twos it is big, two are relative Spacing between the contact arm 231 of independent terminals 23 and the spacing phase between ground terminal, two corresponding contact arms of power supply terminal Together.That is, in the height direction, the contact arm 231 of two relative independent terminals 23 is located at a docking of additional ground terminal Between contact arm 241.

The opposite side of each afterbody 233,243 protrudes to form clamping part 2331,2431 towards relative afterbody, because The clamping part 2331 of the afterbody 233,243 of this upper and lower two row, 2431 opposite projections are with sandwiched therebetween by circuit board 5.

The snap close piece 3 is metal material, and snap close piece 3 described in a pair is transversely arranged at the both sides of the conducting terminal 2, And each snap close piece 3 has base portion 31, the lock catch arm 32 positioned at its front end, alar part 33, interfered with the installation portion 13 of insulating body 1 The fixed part 34 of cooperation, at least a grounding parts 35 and face on its inside positioned at its rear end and extend along the longitudinal direction Fin 36, two opposite projections of the fin 36 of a pair of catches part 3.The lock catch arm 32 from the front end of the base portion 31 forward Extension, it is relatively arranged on the two ends of the snap close piece 3 with grounding parts 35.The lock catch arm 32 is contained in the insulating body 1 In the scarce portion 16 of both sides, to carry out lock fixing with butt connector.

In the present embodiment, the snap close piece 3 is structure symmetrical above and below, and the both sides up and down of the snap close piece 3 are symmetrical arranged Have alar part 33 described in a pair, the alar part 33 respectively from the upside or downside of base portion 31 backward and the setting that stretches out.At other In embodiment, the snap close piece 3 can also be provided only with an alar part 33, the alar part 33 be located at the base portion 31 upside or Wherein side in downside.

The fixed part 34 is located at the rear of alar part 33, and is provided projectingly to both sides up and down so that its height is compared with snap close piece The height at 3 other positions is big, and the both sides up and down of the fixed part 34 are provided with the fixing that interference is contained in the installation portion 13 Teat 341 in groove 15.

When the snap close piece 3 is assembled in insulating body 1, the snap close piece 3 is sequentially inserted into insulating body 1 from back to front The holding slot 15 and groove 14 in, wherein the lock catch arm 32 is through corresponding groove 14 and to be exposed to insulating body 1 horizontal On to direction in the scarce portion 16 of both sides, the alar part 33 exposed to the rear of groove 14 with the interference engagement of shielding casing 4, institute State fixed part 34 to be contained in the holding slot 15, and be fastened in wherein by teat 341, the grounding parts 35 are exposed to described On rear side of the rear end face of installation portion 13, with the machinery of circuit board 5 and being electrically connected with, as a result, snap close piece 3 can not only be latched Butt connector, while also having earthing effect concurrently.

The front end of the shielding casing 4 has the interface frame, mating frame mouthful of ellipse, and it is connected with the USB Type-C plugs of standard The interface frame, mating frame of device mouthful is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, with the applicable use of positive anti-plug just Prompt sexual clorminance.The shielding casing 4 is sheathed on the outside of insulating body 1 from front to back, and its roof and bottom wall have some and card The block button hole 41 of the corresponding matching of button block 113.

It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say Bright book is as an entirety, and technical scheme in each embodiment can also be through appropriately combined, and forming 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 protection domain of the present utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within protection domain of the present utility model.

Claims (10)

1. a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, positioned at described The snap close piece of conducting terminal both sides and the shielding casing being coated on outside the insulating body, the insulating body, which has, is available for docking The receiving space of socket connector insertion, the conducting terminal is divided into the first end subgroup set along short transverse in two rows and the Two-terminal group, the conducting terminal includes some independent terminals and some disjunctor terminals, and each independent terminals, which have, protrudes into receipts Hold a contact arm in space, it is characterised in that：The conducting terminal and second of both sides on the first end subgroup horizontal direction Correspondence conducting terminal is integrally connected together to the disjunctor terminal respectively in terminal group, and each disjunctor terminal has along height A pair of contact arms that direction is oppositely arranged and protruded into the receiving space, the disjunctor terminal includes two pairs respectively along height The additional ground terminal that direction is oppositely arranged, described in a pair of additional ground terminal described in a pair be oppositely arranged along short transverse Spacing between spacing between the contact arm contact arm relative compared with other any twos in two row's terminal groups is big.

2. electric connector as claimed in claim 1, it is characterised in that：The front end of the contact arm of the additional ground terminal The front end of other conducting terminals in row's terminal group is protruded out forward.

3. electric connector as claimed in claim 2, it is characterised in that：The insulating body has the docking being located in front of it Portion, the roof and bottom wall of the docking section have a pair of the slits run through along short transverse, a pair of the roof respectively Slit is oppositely arranged with a pair of slits on bottom wall and alignd along short transverse respectively, the contact arm point of the additional ground terminal It is not corresponding up and down with the slit.

4. electric connector as claimed in claim 3, it is characterised in that：If the insulating body is provided through along the longitudinal direction Dry end pilot trench, horizontal direction of the terminal groove along electric connector is arranged side by side and does not pass through insulating body along short transverse Wear, the rear end face of each terminal groove from the insulating body extends forwardly into inner side and and the receiving space of the docking section It is connected.

5. electric connector as claimed in claim 4, it is characterised in that：The first end subgroup is with Second terminal group from backward Preceding assembling is fixed in the corresponding end pilot trench of the insulating body.

6. electric connector as claimed in claim 4, it is characterised in that：Each independent terminals, which also have, is fixed on the end It is described in holding parts in pilot trench and the afterbody that the insulating body is extended back and stretched out from holding parts, row's terminal group The holding parts of independent terminals be protruded towards correspondence independent terminals in another row to be formed increase portion.

7. electric connector as claimed in claim 6, it is characterised in that：At least side of the holding parts is provided with and insulating body First interference part of interference engagement, first interference part is combined with the top surface of the terminal groove or bottom surface interference.

8. electric connector as claimed in claim 4, it is characterised in that：Each disjunctor terminal is also described exhausted with being fixed on Holding parts in the terminal groove of edge body and at least tail that the insulating body is extended back and stretched out from the holding parts Portion, the holding parts, which are located at the pair of contact arm rear and are integrally connected with this pair of contact arm, constitutes opening tuning fork-like facing forward Structure.

9. electric connector as claimed in claim 2 or claim 3, it is characterised in that：It is each described on the horizontal direction of electric connector The width of conducting terminal is always consistent from front to back, and the conducting terminal in first end subgroup and pair in Second terminal group Conducting terminal is answered to be set in mirror image.

10. the electric connector as any one of claims 1 to 3, it is characterised in that：The first end subgroup and second Terminal group is corresponding and reverse arrangement, and often row's terminal group includes a pair of ground terminals, the pair of additional ground terminal, one To power supply terminal, a pair of signal terminals, an inspection terminal and one expansion terminal, the inspection terminal of the first end subgroup, A pair of signal terminals and expansion terminal and the corresponding conducting terminal of the Second terminal group are independent of one another, to form the separate end Other conducting terminals in son, first, second terminal group in addition to inspection terminal, a pair of signal terminals and expansion end are institute State disjunctor terminal.