CN106961034A - A kind of electric connector - Google Patents

Abstract

The present invention provides a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, the snap close piece of butt connector and the shielding casing being coated on outside the insulating body can be latched, the insulating body has the receiving space for being available for butt-joint socket connector to insert, the conducting terminal includes 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, the first end subgroup is respectively provided with a pair of ground terminals and a pair of power source terminals with Second terminal group, often arranging the terminal group also has a pair of additional terminals being located at respectively between the ground terminal and adjacent power terminal, it is upper with the snap close piece respectively along two corresponding additional terminals of short transverse in two row's terminal groups, lower surface is abutted against.The additional terminal of the electric connector contacts to strengthen the electromagnetism interference performance of electric connector with snap close piece.

Description

A kind of electric connector

Technical field

The present invention relates 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.

A kind of existing USB Type-C plugs shown in CN 204516988U patents are announced such as Chinese invention patent to connect Device is connect, by being eliminated between its insulating body and shielding casing provided with metallic shield piece and mylar film on the outside of two row's terminals Signal is disturbed, and right this kind of mode processing procedure and assembling are complex.

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

The content of the invention

It is an object of the invention to provide a kind of electric connector with good effectiveness.

For achieving the above object, the invention provides a kind of electric connector, it include insulating body, be fixed on it is described Some conducting terminals in insulating body, the snap close piece of butt connector and the masking being coated on outside the insulating body can be latched Housing, the insulating body has the receiving space for being available for butt-joint socket connector to insert, and the conducting terminal is included along height Direction is in the first end subgroup and Second terminal group that two rows are set, and the first end subgroup is corresponding and reverse with Second terminal group Arrangement, the first end subgroup is respectively provided with a pair of ground terminals and a pair of power source terminals with Second terminal group, often arranges institute Stating terminal group also has a pair of additional terminals being located at respectively between the ground terminal and adjacent power terminal, two row's terminal groups Upper and lower surface of middle two additional terminals corresponding along short transverse respectively with the snap close piece is abutted against.

As a further improvement on the present invention, each conducting terminal has the elastic connecting for protruding into the receiving space Contact arm, the holding parts being fixed in the insulating body and the afterbody extended back from holding parts, the contact arm are in two row's phases The upper side and lower side to being arranged at receiving space.

As a further improvement on the present invention, the afterbody of the additional terminal extend back and without departing from insulating body after End face, the afterbody of remaining conducting terminal extends back and beyond the rear end face.

As a further improvement on the present invention, the top or bottom of the afterbody of the conducting terminal are prominent towards relative afterbody Go out to form clamping part, the clamping part is set close to the rear end of the conducting terminal, wherein the institute being oppositely arranged along short transverse The opposite projection of clamping part of additional terminal is stated so that the snap close piece is sandwiched therebetween.

As a further improvement on the present invention, the lock catch arm that the snap close piece includes fixed part, self-fixed department extends forward And self-fixed department extends back for being welded in the leg on circuit board, the lock catch arm is same from the fixed part both sides in pairs Formed to extension, extension forms a pair of linking arms forward on front side of the fixed part of the snap close piece, each linking arm is adjacent thereto It is spaced apart between lock catch arm.

As a further improvement on the present invention, each linking arm is folded in the corresponding additional terminal of a pair be oppositely arranged Between the clamping part of opposite projection, and formed machinery and electric connection.

As a further improvement on the present invention, the insulating body has main part, is arranged in front of the main part Docking section and positioned at the main part rear and outstanding installation portion, provided with concave shape from back to front in the installation portion Into storage tank, the storage tank extends in transverse direction, and its it is anterior along the vertical direction on height will compared with the height at rear portion It is small.

As a further improvement on the present invention, the fixed part inserts and is positioned at the front portion of the storage tank, the appearance The rear portion power circuit board for putting groove is inserted and spacing.

As a further improvement on the present invention, the roof or bottom wall of the shielding casing are provided with a pair of slits, the installation Portion has from its top, bottom wall to the accepting hole of inner side depression setting and from its roof or the insertion section of bottom wall projection laterally, The insertion site is on the outside of corresponding accepting hole, and the insertion section is inserted and is contained in corresponding slit from back to front.

As a further improvement on the present invention, a pair of additional terminals in the first end subgroup respectively with Second terminal group In corresponding additional terminal be connected as one, the head of the additional terminal is extended forwardly beyond with other conducting terminals in row Head.

The beneficial effects of the invention are as follows：Electric connector has positioned at attached between ground terminal and power supply terminal in the present invention Plus terminal, the additional terminal contacts to strengthen the electromagnetism interference performance of electric connector with snap close piece.

Brief description of the drawings

Fig. 1 is the three-dimensional assembly diagram of electric connector of the present invention；

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 view at another visual angle of electric connector shown in Fig. 4；

Fig. 6 is the three-dimensional exploded view after electric connector removes shielding casing shown in Fig. 1；

Fig. 7 is the front view after electric connector shown in Fig. 4 removes shielding casing, insulating body and a wherein ground terminal；

Fig. 8 is the rearview of electric connector shown in Fig. 1.

Embodiment

Below with reference to each embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not The limitation present invention, structure that one of ordinary skill in the art is made according to these embodiments, method or change functionally Change and be all contained in protection scope of the present invention.

It refer to shown in Fig. 1 to Fig. 8, be the preferred embodiment of electric connector 100 of the present invention, the electric connector 100 is wrapped Include insulating body 1, some conducting terminals 2 being fixed in the insulating body 1, snap close piece 3, be coated on the insulating body 1 Outer shielding casing 4 and the circuit board being electrically connected with positioned at the rear of insulating body 1 and with conducting terminal 2（It is not shown）.

Please be shown in Fig. 2 to Fig. 7, 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 roof and inside bottom wall of the insulating body 1 are respectively equipped with some terminal containing slots 10, described The rear end face 130 of terminal containing slot 10 from the insulating body 1 extends forwardly into the inner side of docking section 12 and and receiving space 120 are connected.In the present embodiment, the part terminal containing slot 10 set on the roof of the insulating body 1 with it is right on bottom wall The terminal containing slot 10 answered is connected along short transverse, the terminal containing slot corresponding with bottom wall of another part terminal containing slot 10 Between 10 along short transverse independently of one another, namely do not connect.

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 containing slot 10 in side and rear is connected.

Accepting hole 131 from bottom wall to inner side and divide from its top, bottom wall that the installation portion 13 is set with being recessed from its top, The not other insertion section 132 of projection laterally, the accepting hole 131 is located at the corresponding inner side of insertion section 132, in the present embodiment, institute State the top of installation portion 13, bottom wall and be respectively provided with insertion section 132 described in accepting hole 131 described in a pair and a pair.The installation portion 13 Projection is formed with projection 133 under the mediad of bottom wall, and the projection 133 is located at the rear end of the installation portion 13.The installation portion The storage tank 134 for the formation that is recessed from back to front is additionally provided with 13, the storage tank 134 extends in transverse direction, it is received with terminal Tank 10 is connected, and its it is anterior along the vertical direction on height it is small compared with the height at rear portion.

Be respectively provided on two sides with fluting 14 on the horizontal direction of insulating body 1, slotted described in a pair 14 respectively it is lateral to Outer opening, and the rear end face 130 of self-insulating body 1 extends forwardly into docking section 12, and the both sides in docking section 12 and institute State the cross connection of receiving space 120.

It refer to shown in Fig. 3 to Fig. 8, 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.Wherein the first terminal Group 21 includes a pair of ground terminal 20a, a pair of additional terminal 20b, a pair of power source terminals 20c, an inspection terminal 20d（CC1, Function and identification CABLE function to detect positive anti-plug）And a pair of signal terminal 20f, and inspection terminal 20d and a pair of letters Number terminal 20f is located at the middle part of the first end subgroup 21 in transverse direction, namely between a pair of power source terminals 20c, institute State a pair of ground terminal 20a and be located at outermost, a pair of power source terminals 20c is located at the inspection terminal 20d's or signal terminal 20f Outside, a pair of additional terminal 20b are located at adjacently terminal 20a inner side, power supply terminal 20c outside.In the present embodiment, The difference of the Second terminal group 22 and first end subgroup 21 is that Second terminal group 22 is provided with a pair of signal terminal 20f less （Join shown in Fig. 8）.

Each conducting terminal 2, which has, to be protruded into the elastic contact arm 201 of receiving space 120, is fixed on insulating body 1 Terminal containing slot 10 in holding parts 202 and the afterbody 203 that is extended back from holding parts 202, the contact arm 201 is in two rows It is relatively arranged on the upper side and lower side of receiving space 120.

In the present embodiment, the contact arm 201 is protruded into receiving space 120 up or down, and with positioned at it The contact site 2011 of free end, the contact site 2011 is towards the corresponding projection of contact arm 201 in another row, by a pair in succession Connect the tongue piece of device（It is not shown）It is held between the contact site 2011.

The top or bottom of the afterbody 203 of the conducting terminal 2 protrude towards relative afterbody 203 and form clamping part 2031, the clamping part 2031 is set close to the rear end of the conducting terminal 2.The wherein described upper and lower additional terminals being oppositely arranged The sub- 20b opposite projection of clamping part 2031 is with sandwiched therebetween by snap close piece 3, and in the upper and lower of upper and lower both sides and snap close piece 3 Surface is abutted against；The opposite projection of clamping part 2031 of remaining conducting terminal 2 is with by circuit board（It is not shown）It is sandwiched therebetween.

Meanwhile, the contact site of the terminal containing slot 10 and the conducting terminal 2 is corresponding about 2011, to provide conducting end The space that the contact site 2011 of son 2 outwards floats, facilitates the grafting of butt connector.First end subgroup 21 and Second terminal group 22 Position of the contact site 2011 on insulating body 1 set with respective terminal on the USB Type-C plug connectors of standard Docking site installs identical.

In the present embodiment, ground terminal 20a, additional terminal 20b and the power supply terminal 20c in the first end subgroup 21 Holding parts 202 be connected respectively with the one of holding parts 202 in Second terminal group 22 along the corresponding conducting terminal of short transverse, from And constitute disjunctor terminal.During assembling, the disjunctor terminal in first, second terminal group 21,22 can be assembled into insulating body 1 simultaneously It is interior, brought great convenience to assembling.Inspection terminal 20d and signal terminal 20f in the first end subgroup 21 with the second end Corresponding conducting terminal in subgroup 22 is independent of one another, so as to form independent terminals.

During assembling, insulating body 1 is fixed in assembling to the first end subgroup 21 from back to front respectively with Second terminal group 22 Corresponding terminal accepting groove 10 in.On wherein described additional terminal 20b contact arm 201 and the slit 123 of the insulating body 1 Lower correspondence, to provide the space that contact arm 201 outwards floats, facilitates the grafting of butt connector.

The front end of contact arm 201 of the ground terminal 20a and power supply terminal 20c are with arranging together the inspection terminal in terminal group 20d front end is transversely concordant, and the front end of the additional terminal 20b contact arm 201 is protruded out forward beyond with row's terminal group In other terminals front end, namely the additional terminal 20b head extend forwardly beyond with row in other terminals head, So that the additional terminal 20b contact site 2011 and butt-joint socket connector（It is not shown）Hyoplastron rear portion set connect Ground part contact.

The afterbody 203 of the additional terminal 20b extends back and without departing from the rear end face 130 of insulating body 1, remaining The afterbody 203 of conducting terminal extends back and beyond the rear end face 130 so that its clamping part 2031 is exposed to the rear end face 130 rear sides, and be in contact in the rear side of insulating body 1 with the conducting strip on circuit board.

Spacing between a pair of the contact sites 2011 for a pair of additional terminal 20b being oppositely arranged along short transverse is compared with two row ends Subgroup（First, second terminal group）In spacing between the relative contact site 2011 of other any twos it is big, in two row's terminal groups A pair be oppositely arranged described in ground terminal 20a contact site 2011 between spacing and a pair of power source terminals for being oppositely arranged Spacing between 20c contact site 2011 is identical.

The snap close piece 3 is metal material, in the present embodiment, and the snap close piece 3 includes fixed part 31, self-fixed department 31 The lock catch arm 32 and self-fixed department 31 extended forward extends back to be welded in circuit board（It is not shown）On leg 33, from And make it that snap close piece 3 has earthing effect concurrently.The fixed part 31 of the snap close piece 3 is overall in the strip-like design extended laterally, and is Bilateral symmetry, the lock catch arm 32 extends in the same direction from the both sides of fixed part 31 form in pairs, the front side of fixed part 31 Extension forms a pair of linking arms 34 forward, and the pair of linking arm 34 is spaced apart from each other in transverse direction, and positioned at two locks Between button arm 32；Meanwhile, each linking arm 34 is also spaced apart between lock catch arm 32 adjacent thereto.

The lock catch arm 32 is transversely arranged at the outside of the conducting terminal 2, and each lock catch arm 32 has with consolidating Determine the cantilever 321 of the connection of portion 31 and be arranged on the snap-lock projections 322 of the end of cantilever 321, the lock catch arm 32 being arranged in pairs The opposite projection of snap-lock projections 322.The fixed part 31 of the snap close piece 3 is fixed in the installation portion 13 of the insulating body 1, institute State lock catch arm 32 to protrude into receiving space 120, and be located at along the vertical direction between first, second terminal group 21,22.

When the snap close piece 3 is assembled in insulating body 1 from back to front, the lock catch arm 32 inserts insulation from back to front In the correspondence fluting 14 of the both sides of body 1, and the front portion of cantilever 321 is exposed in receiving space 120 to be locked with butt connector Button fixing.The fixed part 31 is inserted and is positioned at the front portion of the storage tank 134, and circuit board is inserted and is limited in described accommodating The rear portion of groove 134.The leg 33 is exposed to the rear side of mounting surface 130 of the insulating body 1, with the circuit board（Do not scheme Show）Machinery and electric connection, as a result, snap close piece 3 can not only latch butt connector, while also having earthing effect concurrently.Often Linking arm 34 described in one is folded between the clamping part 2031 of the corresponding opposite projections of additional terminal 20b of a pair be oppositely arranged, and Formed machinery and electric connection, and then the effect of electromagnetism interference is reached, strengthen the EMC of electric connector（Electro Magnetic Compatibility） Performance, and the welding of additional terminal 20b and circuit board can be saved.

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 has frame 41 and from frame 41 projection and a pair of extensions being oppositely arranged backward 42, the extension 42 is the roof and bottom wall rear end part of the shielding casing 4, and each extension 42 is bent towards its inner side Provided with a pair of shell fragments 421, wherein an extension 42 also has the breach 422 being located therein in transverse direction, the breach 422 It is recessed forward from the rear end of shielding casing 4；In other embodiments, also can be on a pair of extensions 42 of shielding casing 4 Open up the corresponding breach 422.The shielding casing 4 also has the company that the extension 42 is connected with the frame 41 Socket part 43, the connecting portion 43 is tilted upward from front to back to be extended so that the extension 43 is located at the framework along short transverse The roof in portion 41 or the outside of bottom wall.The roof and/or bottom wall of the shielding casing 4 are provided with a pair of slits 44, and this pair of slit 44 be located at homonymy the extension 42 in transverse direction on both sides.

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 main part 11 and docking section 12, the projection 133 is limited in the breach 422.The insertion section 133 is from back to front Insert and be contained in corresponding slit 44, the installation portion 13 of the extension 42 respectively positioned at the insulating body 1 is along highly Both sides on direction.The contact arm 201 of the additional terminal 20b is described to be in contact with the earthing member on butt connector The shell fragment 421 of shielding casing 4 is stretched into the accepting hole 131 of the insulating body 1 respectively inwards.

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.

Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should be included within the scope of the present invention.

Claims (10)

1. a kind of electric connector, it includes insulating body, some conducting terminals being fixed in the insulating body, can latched pair The snap close piece of connecting connector and the shielding casing being coated on outside the insulating body, the insulating body, which has, is available for butt-joint socket The receiving space of connector insertion, the conducting terminal includes first end subgroup and the second end set along short transverse in two rows Subgroup, the first end subgroup is corresponding with Second terminal group and reverse arrangement, and the first end subgroup and Second terminal group are equal It is respectively arranged with a pair of ground terminals and a pair of power source terminals, it is characterised in that：Often arrange the terminal group also have be located at respectively In a pair of additional terminals between ground terminal and the adjacent power terminal, two row's terminal groups along short transverse it is corresponding two Individual additional terminal is abutted against with the upper and lower surface of the snap close piece respectively.

2. electric connector as claimed in claim 1, it is characterised in that：Each conducting terminal, which has, protrudes into the collecting The elastic contact arm in space, the holding parts being fixed in the insulating body and the afterbody extended back from holding parts, it is described to connect Contact arm is relatively arranged on the upper side and lower side of receiving space in two rows.

3. electric connector as claimed in claim 2, it is characterised in that：The afterbody of the additional terminal extend back and without departing from The rear end face of insulating body, the afterbody of remaining conducting terminal extends back and beyond the rear end face.

4. electric connector as claimed in claim 2, it is characterised in that：The top of the afterbody of the conducting terminal or bottom direction Relative afterbody is protruded to form clamping part, and the clamping part is set close to the rear end of the conducting terminal, wherein along short transverse The opposite projection of clamping part for the additional terminal being oppositely arranged is with sandwiched therebetween by the snap close piece.

5. electric connector as claimed in claim 4, it is characterised in that：The snap close piece includes fixed part, self-fixed department forward The lock catch arm and self-fixed department of extension extend back for being welded in the leg on circuit board, and the lock catch arm is in pairs from described Fixed part both sides, which are extended in the same direction, to be formed, and extension forms a pair of linking arms, each connection forward on front side of the fixed part of the snap close piece It is spaced apart between arm lock catch arm adjacent thereto.

6. electric connector as claimed in claim 5, it is characterised in that：Each linking arm is folded in a pair be oppositely arranged Between the clamping part of the opposite projection of corresponding additional terminal, and formed machinery and electric connection.

7. electric connector as claimed in claim 6, it is characterised in that：The insulating body have main part, be arranged at it is described Docking section in front of main part and be provided with the main part rear and outstanding installation portion, the installation portion from The storage tank that depression is formed before backward, the storage tank extends in transverse direction, and its it is anterior along the vertical direction on height compared with The height at rear portion is small.

8. electric connector as claimed in claim 7, it is characterised in that：The fixed part inserts and is positioned at the storage tank Front portion, the rear portion power circuit board insertion of the storage tank is simultaneously spacing.

9. electric connector as claimed in claim 7, it is characterised in that：The roof or bottom wall of the shielding casing are narrow provided with a pair Seam, the installation portion has the accepting hole that sets and from its roof or the outside pleurapophysis of bottom wall of being recessed from its top, bottom wall to inner side The insertion section stretched, the insertion site is on the outside of corresponding accepting hole, and the insertion section is inserted and is contained in corresponding from back to front Slit in.

10. electric connector as claimed in any one of claims 1-9 wherein, it is characterised in that：A pair in the first end subgroup Additional terminal is connected as one with the corresponding additional terminal in Second terminal group respectively, and the head of the additional terminal extends forward More than the head with other conducting terminals in row.