CN207098171U - Electric connector - Google Patents

Abstract

The utility model 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, the snap close piece has the auxiliary section for stretching out and being abutted against with the rear surface with the shielding casing.The electric connector can effectively prevent that snap close piece press-in is too deep or press-in is not in place.

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.

A kind of existing USB Type-C plug connectors, generally with insulating body, two row's conducting terminals and along highly Snap close piece of the direction between two row's conducting terminals, however plug-type snap close piece assembling when easily occur press-in it is too deep or Person is pressed into situation not in place.

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 a kind of electric connector that can effectively assemble positioning lock fastener.

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, the snap close piece of butt connector can be latched and it is coated on the insulating body Outer shielding casing, the insulating body have the receiving space for being available for butt-joint socket connector to insert, the conducting end attached bag The first end subgroup and Second terminal group set along short transverse in two rows is included, the first end subgroup is relative with Second terminal group Should and reversely it arrange, the first end subgroup is respectively provided with a pair of ground terminals and a pair of power ends with Second terminal group Son, the snap close piece have the auxiliary section for stretching out and being abutted against with the rear surface with the shielding casing.

As further improvement of the utility model, the insulating body has main part, be arranged at the main part before The docking section of side and positioned at the main part rear and outstanding installation portion, the installation portion have positioned at front and with The connected matrix of the main part and the limiting section outwards expanded from the rear end of matrix, the limiting section, which is provided with, supplies the auxiliary section The fluting being inserted.

As further improvement of the utility model, the bearing surface of the auxiliary section front end is resisted against described matrix and is exposed to The rear surface on rear surface and the shielding casing in the fluting.

As further improvement of the utility model, the limiting section is provided with a pair of flutings, and the fluting is relative to be set The both sides being placed on the limiting section horizontal direction, and set close to the lateral margin of the limiting section, it is described to slot along short transverse Extend and run through the limiting section, the rear face portion point of described matrix is in the fluting.

As further improvement of the utility model, the shielding casing includes frame and prolonged backward from the frame The extension stretched, for the extension integrally to expand outwardly the structure of expanding to be formed from frame, the extension is sheathed on institute State on the outside of matrix, the top surface of the limiting section and/or bottom surface are located at the corresponding top surface and/or outer side bottom surface of described matrix, with The front end face of the limiting section forms blocking surface, and the rear surface of the extension is connected to the blocking surface backward.

As further improvement of the utility model, the snap close piece is a pair be oppositely arranged, and a pair of locks Part is transversely arranged at the both sides of the conducting terminal, and snap close piece described in each of which has base portion, the lock positioned at its front end Arm, with the fixed part of insulating body secure fit and the connecting portion positioned at its rear end, the lock catch arm is from the front end of the base portion Extend forward, it is relatively arranged on the snap close piece in the both ends on fore-and-aft direction with the connecting portion.

As further improvement of the utility model, the connecting portion has the rear end face for extending backward more than insulating body An at least grounding parts and at least one auxiliary section that extends along short transverse, on fore-and-aft direction, the matching part in In front of the grounding parts.

As further improvement of the utility model, the fixed part is set close to the connecting portion, and with from it Convex portion that surface is set towards another snap close piece projection and from it along short transverse on the outstanding interference part in both sides.

As further improvement of the utility model, the convex portion rearwardly and inwardly rolls oblique extension, with the inside of it with The matrix interference engagement of the installation portion, and matched somebody with somebody by the both sides of the interference part in its height direction and described matrix interference Close.

As further improvement of the utility model, the both sides of the insulating body are respectively arranged with to be extended along the longitudinal direction Groove, the snap close piece inserts in the corresponding groove of insulating body from back to front, the groove with positioned at the corresponding of rear side Fluting is connected.

The beneficial effects of the utility model are：The edge of snap close piece and shielding casing is spacing in the utility model, to prevent Snap close piece press-in is too deep or press-in is not in place；Increase radium-shine solder joint in the junction of snap close piece and shielding casing simultaneously, and then Ensure that snap close piece contacts with the effective of shielding casing.

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 view at another visual angle of electric connector shown in Fig. 3；

Fig. 5 is the three-dimensional exploded view after electric connector removes shielding casing shown in Fig. 4；

Fig. 6 is the rearview of electric connector shown in Fig. 1；

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

Fig. 8 is the schematic cross-sectional view of B-B along electric connector shown in Fig. 2.

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 Fig. 8, 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 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）.

It refer to shown in Fig. 3 to Fig. 8, the insulating body 1 has main part 11, is arranged at the docking in the front of main part 11 Portion 12 and positioned at the rear of main part 11 and outstanding installation portion 13, wherein the main part 11, docking section 12 and installation Oval column is set on the whole in portion 13, the receiving space that the inner side of the docking section 12 is set formed with forwards open 120, so that butt-joint socket connector inserts forward or backwards.If the roof and inside bottom wall of the insulating body 1 are respectively equipped with Dry end pilot trench 10, the rear end face 130 of the self-insulating body 1 of terminal groove 10 extend forwardly into the inner side of docking section 12 and with receipts Hold space 120 to be connected；Meanwhile the terminal groove 10 does not run through insulating body 1 along short transverse.In the present embodiment, The terminal groove 10 corresponding with bottom wall of part terminal containing slot 10 set on the roof of the insulating body 1 is along short transverse phase Connect, it is independent of one another along short transverse between the terminal groove 10 corresponding with bottom wall of another part terminal containing slot 10, namely not Connection.

The installation portion 13 is with the matrix 131 for being located at front and being connected with the main part 11 and from after matrix 131 The limiting section 132 outwards expanded is held, the elliptical in its outer shape of the limiting section 132, its top surface and bottom surface are respectively positioned at described The corresponding top surface and outer side bottom surface of matrix 131, it is described so to form blocking surface 1320 in the front end face of the limiting section 132 Blocking surface 1320 is substantially annular in shape.

Described matrix 131 has at least accepting hole 1311 set from its roof and/or bottom wall to inner side depression.It is described Limiting section 132 is provided with a cross-notching 1321, and the fluting 1321 is relatively arranged on two on the horizontal direction of limiting section 132 Side, and set close to the lateral margin of limiting section 132, while the fluting 1321 extends along short transverse and by the limiting section 132 Run through, the rear face portion point of described matrix 131 is in the fluting 1321.

The both sides of the insulating body 1 are respectively arranged with the groove 14 that extends along the longitudinal direction and before corresponding grooves 14 The scarce portion 15 of side, the groove 14 extends forwardly into from the rear end face of described matrix 131 to be connected with the scarce portion 15, and institute The correspondence position that groove 14 is located at both sides on the main part 11 and the horizontal direction of described matrix 131 is stated, in addition, the groove 14 It is connected with the corresponding fluting 1321 positioned at rear side.

It refer to shown in Fig. 4 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 power source terminals 20b, an inspection terminal 20c（CC1, to detect positive anti-plug Function and identification CABLE function）And a pair of signal terminal 20d, and inspection terminal 20c and a pair of signal terminal 20d are transversely Direction is located at the middle part of the first end subgroup 21, namely between a pair of power source terminals 20b, the pair of ground terminal 20a is located at outermost, and a pair of power source terminals 20b is located at the inspection terminal 20c or signal terminal 20d outside.In this implementation In example, the difference of the Second terminal group 22 and first end subgroup 21 is, Second terminal group 22 is provided with a pair of signal ends less Sub- 20d（Join shown in Fig. 6）.

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 groove 10 in holding parts 202 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 120 in two rows.

In the present embodiment, the contact arm 201 protrudes into receiving space 120 up or down, and has and be located 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 are towards relative Afterbody 203, which protrudes, forms clamping part 2031, and the clamping part 2031 is set close to the rear end of the conducting terminal 2, therefore upper and lower The 2031 opposite projection of clamping part of the afterbody 203 of two rows is with by circuit board（It is not shown）It is sandwiched therebetween.

Meanwhile the terminal groove 10 and the contact site of the conducting terminal 2 are corresponding about 2011, to provide conducting terminal 2 The space outwards floated of contact site 2011, facilitate the grafting of butt connector.First end subgroup 21 and Second terminal group 22 Position of the contact site 2011 on insulating body 1 sets pair with respective terminal on the USB Type-C plug connectors of standard Socket part position sets identical.

In the present embodiment, the ground terminal 20a in the first end subgroup 21 and power supply terminal 20b holding parts 202 It is connected respectively with the one of holding parts 202 in Second terminal group 22 along the corresponding conducting terminal of short transverse, so as to form disjunctor Terminal.During assembling, the disjunctor terminal in first, second terminal group 21,22 can be assembled into insulating body 1 simultaneously, to assembled belt Greatly to facilitate.Inspection terminal 20d and signal terminal 20f in the first end subgroup 21 not with Second terminal group 22 Corresponding conducting terminal is integrally connected, so as to form independent terminals.

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 between the contact site 2011 of be oppositely arranged two in two row's terminal groups piece conducting terminal 2 Spacing it is identical.

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 end pilot trench 10 in.

The snap close piece 3 is metal material, and in the present embodiment, the snap close piece 3 is be oppositely arranged a pair, and a pair Snap close piece 3 is transversely arranged at the both sides of the conducting terminal 2, and snap close piece 3 described in each of which has base portion 31, before it The fixed part 33 and the connecting portion 34 positioned at its rear end of the interference engagement of installation portion 13 of the lock catch arm 32 at end and insulating body 1.Institute State lock catch arm 32 from the front end of the base portion 31 to extend forward, it is relatively arranged on the snap close piece 3 in front and rear with connecting portion 34 Both ends on direction.

In the present embodiment, the fixed part 33 is set close to the connecting portion 34, and with from its inner surface towards separately Convex portion 331 that the projection of one snap close piece 3 is set and from it along short transverse on the outstanding interference part 332 in both sides；It is described Convex portion 331 rearwardly and inwardly rolls oblique extension, with the interference engagement of matrix 131 on the inside of it with the installation portion 13, and passes through The both sides of the interference part 332 in its height direction and the interference engagement of described matrix 131.

The connecting portion 34 have extend backward more than insulating body 1 rear end face 130 an at least grounding parts 341 and At least auxiliary section 342 extended along short transverse, on fore-and-aft direction, before the auxiliary section 342 is located at the grounding parts 341 Side.In the present embodiment, each snap close piece 3 is structure symmetrical above and below, and its rear end is provided with what is be oppositely arranged along short transverse A pair of grounding parts 341, and it has disposed thereon respectively, lower both sides and is oppositely arranged, a pair of oppositely extending auxiliary sections 342, the front end of the auxiliary section 342 is formed with bearing surface 3421.In other embodiments, the auxiliary section 342 also can be along it He stretches out in direction, such as stretches out in transverse direction, and certainly, now the bearing of trend of fluting 1321 also changes therewith Become, as long as making the bearing surface 3421 of the front end of auxiliary section 342 be abutted against with the rear surface of shielding casing 4.

In addition, the auxiliary section 342 is provided with chamfering 3422 along the free terminal in short transverse, the chamfering 3422 is located at The outside of the free terminal of the auxiliary section 342, such that the orthographic projection of its lateral surface is seen in the auxiliary section 342 from back to front Inside the orthographic projection of shielding casing 4, in other embodiments, the auxiliary section 342 is in the free terminal in short transverse Outside also can not be chamfering, and be designed to any form of scarce portion, as long as making the orthographic projection of auxiliary section 342 from back to front complete Fall into inside the orthographic projection of shielding casing 4, the appearance profile for being not out the extension 42 of shielding casing 4 is outer.

When the snap close piece 3 is assembled in insulating body 1, the snap close piece 3 inserts pair of insulating body 1 from back to front Answer in groove 14, wherein the lock catch arm 32 passes through corresponding groove 14 and is exposed to both sides on the horizontal direction of insulating body 1 Lack in portion 15, to carry out lock fixing with butt connector.The base portion 31 is limited in the groove 14 and is located at the main part In the part of 11 inner sides, and the fixed part 33 be contained in the part that the groove 14 be located on the inside of described matrix 131 and with The interference engagement of matrix 131.The grounding parts 341 are exposed to the rear side of rear end face 130 of the installation portion 13, with the circuit Plate（It is not shown）Machinery and electric connection, as a result, snap close piece 3 can not only latch butt connector, while also have ground connection concurrently Effect.

The auxiliary section 342 is inserted corresponding to the both sides of limiting section 132 in fluting 1321, and bearing surface 3421 is resisted against forward The rear surface 420 on rear surface and the extension 42 of the described matrix 131 in the fluting 1321, so that matching somebody with somebody Conjunction portion 342 and the rear surface of shielding casing 4 overlap, and pass through the rear surface of described matrix 131 and the rear surface 420 of shielding casing 4 Position-limiting action, with prevent the snap close piece 3 inserted when inserting insulating body 1 it is too deep or insertion it is not in place；It is in addition, described The overlapping mode for compressing junction on bearing surface 3421 and rear surface 420 can be mechanical is connected or radium-shine welding Etc. mode to be further ensured that effectively contacting for snap close piece 3 and shielding casing 4.

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.The shielding casing 4 is the gapless structure that is drawn, it include frame 41 and from the frame 41 to The extension 42 extended afterwards, in the present embodiment, the extension 42 integrally expand outwardly to be formed from frame 41 Structure is expanded, wherein the height of the extension 42 is big compared with the height of the frame 41, and the extension 42 is in height The distance expanded outwardly on direction is big in the distance expanded outwardly on horizontal direction compared with it.

The extension 42 thereon, downside（Namely top, bottom wall）In at least side towards its internal projection formed to A few protuberance 421, in the present embodiment, the protuberance 421 is the shell fragment bent downwards, in other embodiments, also may be used For from the inner surface of its roof and/or bottom wall to convex structures such as the prominent fin formed in its inside, convex closures.

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 extension 42 is sheathed on the outside of matrix 131 of the installation portion 13, wherein described The protuberance 421 of shielding casing 4 stretches into the accepting hole 1311 of the insulating body 1 respectively inwards, after the extension 42 Surface 420 and the rear surface co-planar of described matrix 131, and it is connected to the blocking surface of the front side of limiting section 132 backward 1320。

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 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 include 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：The snap close piece have stretch out with institute State the auxiliary section that the rear surface of shielding casing abuts against.

2. electric connector as claimed in claim 1, 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 positioned at the main part rear and outstanding installation portion, the installation portion, which has, to be located at Front and the matrix being connected with the main part and the limiting section outwards expanded from the rear end of matrix, the limiting section are provided with and supply institute State the fluting that auxiliary section is inserted.

3. electric connector as claimed in claim 2, it is characterised in that：The bearing surface of the auxiliary section front end is resisted against the base The rear surface on rear surface and the shielding casing of the body in the fluting.

4. electric connector as claimed in claim 2, it is characterised in that：The limiting section is provided with a pair of flutings, described to open Groove is relatively arranged on the both sides on the limiting section horizontal direction, and is set close to the lateral margin of the limiting section, the fluting edge Short transverse extends and runs through the limiting section, and the rear face portion point of described matrix is in the fluting.

5. electric connector as claimed in claim 2, it is characterised in that：The shielding casing includes frame and from the framework The extension that portion extends back, the extension are that the structure of expanding to be formed, the extension are integrally expanded outwardly from frame It is sheathed on the outside of described matrix, the top surface of the limiting section and/or bottom surface are located at outside corresponding top surface and/or the bottom surface of described matrix Side, to form blocking surface in the front end face of the limiting section, the rear surface of the extension is connected to the stop backward Face.

6. electric connector as claimed in claim 5, it is characterised in that：The snap close piece is a pair be oppositely arranged, and a pair The snap close piece is transversely arranged at the both sides of the conducting terminal, and snap close piece described in each of which has base portion, before it The lock catch arm at end, with the fixed part of insulating body secure fit and the connecting portion positioned at its rear end, the lock catch arm is from the base The front end in portion extends forward, and it is relatively arranged on the snap close piece in the both ends on fore-and-aft direction with the connecting portion.

7. electric connector as claimed in claim 6, it is characterised in that：The connecting portion, which has, extends backward more than insulating body Rear end face an at least grounding parts and at least one auxiliary section that extends along short transverse, it is described to match somebody with somebody on fore-and-aft direction Conjunction portion is located in front of the grounding parts.

8. electric connector as claimed in claim 6, it is characterised in that：The fixed part is set close to the connecting portion, and is had Have the convex portion that is set from its inner surface towards another snap close piece projection and from it along short transverse on both sides it is outstanding Interference part.

9. electric connector as claimed in claim 8, it is characterised in that：The convex portion rearwardly and inwardly rolls oblique extension, with Its inner side and the matrix interference engagement of the installation portion, and pass through the both sides of the interference part in its height direction and the base Body interference engagement.

10. electric connector as claimed in claim 2, it is characterised in that：The both sides of the insulating body are respectively arranged with along preceding To the groove of extension, the snap close piece inserts in the corresponding groove of insulating body from back to front at rear, the groove and is located at it The corresponding fluting of rear side is connected.