CN206820177U - A kind of electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, some conducting terminals, snap close piece and shielding casing, the insulating body has receiving space and the terminal containing slot being connected with receiving space, conducting terminal includes first end subgroup and Second terminal group, first end subgroup is corresponding with Second terminal group and reverse arrangement, 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 between the ground terminal and adjacent power terminal respectively, the snap close piece includes fixed part, extension forms a pair of linking arms forward on front side of lock catch arm and self-fixed department, a pair of linking arms are spaced apart from each other in transverse direction and between two lock catch arms, also there is the slot for the corresponding insertion of linking arm in insulating body.The electric connector can realize the reliable location of its snap close piece and insulating body, combine.

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 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 Type-C plug connectors, when its snap close piece is plug-in type, generally assembling when more difficult positioning, and with it is exhausted Combination between edge body is more unstable.

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 be to provide it is a kind of can be by the electric connector of snap close piece reliable location.

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 be available for butt-joint socket connector insert receiving space and house conducting terminal and The terminal containing slot being connected with receiving space, the conducting terminal include the first end subgroup set along short transverse in two rows And Second terminal group, the first end subgroup is corresponding with Second terminal group and reverse arrangement, the first end subgroup and second Terminal group is respectively provided with a pair of ground terminals and a pair of power source terminals, and often arranging the terminal group also has respectively positioned at described A pair of additional terminals between ground terminal and adjacent power terminal, it is lateral that the snap close piece includes fixed part, self-fixed department two Extension forms a pair of linking arms, the pair of linking arm forward on front side of preceding extension and the lock catch arm and self-fixed department that are arranged in pairs It is spaced apart from each other in transverse direction and also have between two lock catch arms, in the insulating body and supply the linking arm pair The slot that should be inserted.

As further improvement of the utility model, a pair of slots are connected with corresponding terminal containing slot, and institute State a pair of slots in transverse direction on width it is big compared with the width of corresponding terminal accepting groove.

As further improvement of the utility model, the insulating body is provided with the appearance for the formation that is recessed forward from its rear end Groove and the stop surface positioned at the accommodating front of the slot are put, the storage tank extends in transverse direction, and it is connected with terminal containing slot Logical, the slot is located in front of corresponding storage tank and is connected along the longitudinal direction with the storage tank.

As further improvement of the utility model, the insulating body has main part, be arranged at the main part before Side docking section and prolong forward from the backstop positioned at the main part rear and outstanding installation portion, the slot Extend inside the main part.

As further improvement of the utility model, each conducting terminal has the bullet for protruding into the receiving space Property contact arm, the holding parts being fixed in the insulating body and the afterbody to be extended back from holding parts, the contact arm be in two Row is relatively arranged on the upper side and lower side of receiving space, and two be oppositely arranged in first, second terminal group along short transverse lead The holding parts of electric terminal are integrally connected.

As further improvement of the utility model, it is oppositely arranged in first, second terminal group along short transverse Holding tank is formed along short transverse interval between the afterbody of two conducting terminals, each linking arm protrudes into corresponding two In the holding tank that additional terminal is formed.

As further improvement of the utility model, it is oppositely arranged in first, second terminal group along short transverse The length of holding tank between other terminals that the length of holding tank along the longitudinal direction between two additional terminals is set compared with disjunctor Degree will be grown.

As further improvement of the utility model, the snap close piece, which also has from the fixed part, to extend back for weldering The leg being connected on circuit board, the top or bottom of the afterbody protrude to form clamping part towards relative afterbody, the clamping Portion is set close to the rear end of the conducting terminal, the leg and clamping part be exposed on rear side of the mounting surface of the insulating body with With circuit board machinery and electric connection.

As further improvement of the utility model, after the storage tank is divided into the first storage tank for being located at front portion and is located at Portion is to house the second storage tank of circuit board, and the first storage tank will compared with the height of the second storage tank in the height on above-below direction It is small.

As further improvement of the utility model, the lock catch arm inserts pair of insulating body both sides setting from back to front In should slotting, the fixed part is inserted and is positioned in first storage tank.

The beneficial effects of the utility model are：The snap close piece of electric connector, which has, in the utility model is forwardly inserted insulation originally Body corresponds to the linking arm in slot, to realize the reliable location of snap close piece and insulating body, combine.

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

Fig. 4 is the stereogram after electric connector removes shielding casing shown in Fig. 1；

Fig. 5 is the schematic cross-sectional view of insulating body in electric connector shown in Fig. 3；

Fig. 6 is the additional terminal of electric connector shown in Fig. 3 and the stereogram of snap close piece；

Fig. 7 is the sectional view along Fig. 2 center lines A-A；

Fig. 8 is the sectional view along Fig. 2 center lines B-B.

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）.

Please be shown in Fig. 2 to Fig. 8, 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, the receiving space 120 that the inner side of the docking section 12 is set formed with forwards open, for butt-joint socket company 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 terminal containing slot 10 set on the roof of the insulating body 1 is corresponding with bottom wall Terminal containing slot 10 is connected along short transverse；In other embodiments, on the terminal containing slot 10 on roof and bottom wall Can also be independent of one another along short transverse between corresponding terminal containing slot 10, 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 has two groups of slits 123 of the both sides on the horizontal direction, each group of slit 123 with it Terminal containing slot 10 is connected corresponding to side and rear.

The installation portion 13 has the accepting hole 131 set from its top, bottom wall to inner side depression and pushed up from it, bottom wall point The not insertion section 132 of projection laterally, the accepting hole 131 is positioned at the corresponding inner side of insertion section 132, in the present embodiment, institute State the top of installation portion 13, bottom wall is respectively provided with a pair of accepting holes 131 and a pair of insertion sections 132.The installation portion 13 Projection is located at the rear end of the installation portion 13 formed with projection 133, the projection 133 under the mediad of bottom wall.The installation portion The storage tank 134 for the formation that is recessed from back to front and the stop surface 135 positioned at the front end of storage tank 134 are additionally provided with 13, it is described accommodating Groove 134 extends in transverse direction, and it is connected with terminal containing slot 10, meanwhile, the storage tank 134 is divided into positioned at anterior the One storage tank 1341 and the second storage tank 1342 positioned at rear portion, and the first storage tank 1341 in the height on above-below direction compared with The height of two storage tanks 1342 is small, and the stop surface 135 is the front end face for forming the storage tank 134.

Also there are a pair of the slots 14 being connected with corresponding terminal accepting groove 10, a pair described slotting in the insulating body 1 Groove 14 is located at the corresponding front of storage tank 134 and is connected along the longitudinal direction with the storage tank 134, and the slot 14 is from the backstop Face 135 is extended forwardly into inside the main part 11, and its in transverse direction on width compared with corresponding terminal accepting groove 10 width Degree is big.

Both sides on the horizontal direction of insulating body 1 are respectively equipped with fluting 15, a pair of flutings 15 respectively laterally to Outer opening, and the rear end face 130 of self-insulating body 1 extends forwardly into docking section 12, and in the both sides of docking section 12 and institute State the cross connection of receiving space 120.

It refer to shown in Fig. 2 to Fig. 3 and Fig. 6 to Fig. 8, 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. In the present embodiment, the first end subgroup 21 and Second terminal group 22 only illustrate a pair of ground terminal 20a, a pair of additional terminals Sub- 20b and a pair of power source terminals 20c, and the pair of ground terminal 20a is located at outermost, a pair of additional terminal 20b are located at phase Adjacently terminal 20a inner side, power supply terminal 20c outside, the signal terminal on the inside of power supply terminal 20c can be according to using needs To set.

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 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.Meanwhile the terminal containing slot 10 and the conducting end The contact site of son 2 corresponds to about 2011, convenient in succession to provide the space that the contact site 2011 of conducting terminal 2 outwards floats Connect the grafting of device.Position of the contact site 2011 of first end subgroup 21 and Second terminal group 22 on insulating body 1 set with The docking site of respective terminal installs identical on the USB Type-C plug connectors of standard.

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 form disjunctor terminal.During assembling, first, second terminal group 21,22 can be assembled into the insulating body 1 simultaneously, to assembling Bring great convenience.The afterbody 203 for a pair of conductive terminal being oppositely arranged in first, second terminal group 21,22 along short transverse Between along short transverse interval formed holding tank 2031, and disjunctor set a pair of additional terminal 20b between holding tank 2031 Length along the longitudinal direction is compared with other terminals that disjunctor is set（Ground terminal 20a and power supply terminal 20c）Between holding tank 2031 length will be grown（Join shown in Fig. 3 and Fig. 8）.

The top or bottom of the afterbody 203 of the conducting terminal 2 protrude towards relative afterbody 203 and form clamping part 2032, the clamping part 2032 is set close to the rear end of the conducting terminal 2, and the clamping part 2032 of the conducting terminal 2 is opposite Projection is with by circuit board（It is not shown）It is sandwiched therebetween.

During assembling, the first end subgroup 21 assembles pair for being fixed on insulating body 1 from back to front with Second terminal group 22 Answer in terminal containing slot 10.Wherein described additional terminal 20b contact arm 201 and the slit of the insulating body 1 are right about 123 Should, to provide the space that contact arm 201 outwards floats, facilitate the grafting of butt connector.

The ground terminal 20a and the power supply terminal 20c front end of contact arm 201 are transversely concordant, and additional terminal 20b The front end of the contact arm 201 protrudes out forward the front end of other terminals in row's terminal group, namely the additional terminal 20b head extends forwardly beyond the head with other terminals in row, so that the additional terminal 20b contact site 2011 With butt-joint socket connector（It is not shown）Hyoplastron rear portion set earthing member contact.The afterbody 203 of the conducting terminal 2 Extend back and beyond the rear end face 130 of the insulating body 1, so that after its clamping part 2032 is exposed to the rear end face 130 Side, 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 the be oppositely arranged 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.

It refer to shown in Fig. 3 and Fig. 6 to Fig. 8, the snap close piece 3 is metal material, in the present embodiment, the snap close piece 3, which include fixed part 31, the lock catch arm 32 that self-fixed department 31 extends forward and self-fixed department 31, extends back for being welded in electricity Road plate（It is not shown）On leg 33 so 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 it is bilateral symmetry, the lock catch arm 32 is in the same direction from the both sides of fixed part 31 in pairs Extension forms, and extension forms a pair of linking arms 34 forward for the front side of fixed part 31, and the pair of linking arm 34 is in transverse direction It is spaced apart from each other, and between two lock catch arms 32；Meanwhile each linking arm 34 is also between lock catch arm 32 adjacent thereto It is spaced apart.

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 at the snap-lock projections 322 of the end of cantilever 321, on the lock catch arm 32 being arranged in pairs 322 opposite projection of snap-lock projections.The fixed part 31 of the snap close piece 3 is fixed in the installation portion 13 of the insulating body 1, institute Lock catch arm 32 is stated to protrude into receiving space 120, and 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 corresponding fluting 15 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 in first storage tank 1341, and positioned at the clamping of the conducting terminal 2 The front of portion 2032, circuit board are inserted and are limited in second storage tank 1342.Each linking arm 34 protrudes into disjunctor In holding tank 2031 between a pair of additional terminal 20b of correspondence of setting, and insert corresponding to insulating body 1 in slot 14, such as This is to ensure the position degree of snap close piece 3 so that the combination positioning of snap close piece 3 and insulating body 1 is more firm.The leg 33 and folder Hold the rear side of mounting surface 130 that portion 2032 is exposed to the insulating body 1, with the circuit board（It is not shown）Machinery and electrically connect Connect, the snap close piece 3 can not only latch butt connector, while also have earthing effect concurrently.

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 has frame 41 and from frame 41 projection and a pair of extension 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 The breach 422 corresponding to opening up.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 tilt upward extension so that the extension 43 is located at the framework along short transverse from front to back 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 is to slit 44 positioned 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 extension 42 is located at the installation portion 13 of the insulating body 1 along highly respectively 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 stretches into the accepting hole 131 of the insulating body 1 respectively inwards.

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 and collecting conducting terminal of connector insertion and the terminal containing slot being connected with receiving space, the conducting terminal First end subgroup and Second terminal group including along short transverse being in two rows setting, the first end subgroup and Second terminal group phase Corresponding and reversely arrangement, the first end subgroup are respectively provided with a pair of ground terminals and a pair of power ends with Second terminal group Son, often arranging the terminal group also has a pair of additional terminals between the ground terminal and adjacent power terminal respectively, It is characterized in that：The snap close piece include the lock catch arm that fixed part, self-fixed department both sides extend and be arranged in pairs forward and from Extension forms a pair of linking arms forward on front side of fixed part, and the pair of linking arm is spaced apart from each other in transverse direction and positioned at two Also there is the slot for the corresponding insertion of the linking arm between individual lock catch arm, in the insulating body.

2. electric connector as claimed in claim 1, it is characterised in that：A pair of slots are connected with corresponding terminal containing slot It is logical, and the pair of slot in transverse direction on width it is big compared with the width of corresponding terminal accepting groove.

3. electric connector as claimed in claim 2, it is characterised in that：The insulating body is provided with to be recessed forward from its rear end The storage tank of formation and the stop surface positioned at the accommodating front of the slot, the storage tank extend in transverse direction, and it is received with terminal Tank is connected, and the slot is located in front of corresponding storage tank and is connected along the longitudinal direction with the storage tank.

4. electric connector as claimed in claim 3, 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 slot is from the backstop Extend to forward inside the main part.

5. electric connector as claimed in claim 3, 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 to be 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, is oppositely arranged in first, second terminal group along short transverse Two conducting terminals holding parts integrally be connected.

6. electric connector as claimed in claim 5, it is characterised in that：Along short transverse phase in first, second terminal group To forming holding tank along short transverse interval between the afterbody of two conducting terminals of setting, each linking arm protrudes into pair In the holding tank that two additional terminals answered are formed.

7. electric connector as claimed in claim 6, it is characterised in that：Along short transverse phase in first, second terminal group Folder between other terminals set to the length of the holding tank between two additional terminals of setting along the longitudinal direction compared with disjunctor Holding the length of groove will grow.

8. electric connector as claimed in claim 5, it is characterised in that：The snap close piece also has to be prolonged backward from the fixed part To stretch for being welded in the leg on circuit board, the top or bottom of the afterbody protrude to form clamping part towards relative afterbody, The clamping part is set close to the rear end of the conducting terminal, and the leg and clamping part are exposed to the installation of the insulating body With with circuit board machinery and being electrically connected with rear side of face.

9. electric connector as claimed in claim 3, it is characterised in that：The storage tank is divided into positioned at the first anterior storage tank And positioned at rear portion to house the second storage tank of circuit board, and the first storage tank in the height on above-below direction compared with the second storage tank Height it is small.

10. electric connector as claimed in claim 9, it is characterised in that：The lock catch arm inserts insulating body two from back to front In the corresponding fluting that side is set, the fixed part is inserted and is positioned in first storage tank.