CN207098116U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, the conducting terminal being fixed in insulating body, snap close piece and the shielding casing being coated on outside insulating body, insulating body has receiving space and houses conducting terminal and the terminal containing slot being connected with receiving space, 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, snap close piece includes base portion, the lock catch arm that extends forward from base portion and extended back from base portion for being welded in the leg on circuit board, insulating body is provided with least a kerf in the both sides on horizontal direction, base portion is provided with the projection at least one insertion otch, in on horizontal direction, projection extends outwardly beyond the lateral margin of insulating body and is electrically connected with shielding casing.The electric connector structure is simple and has good effectiveness.

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 as shown in Chinese utility model patent bulletin CN 204516988U patents are inserted Head connector, by being provided with metallic shield piece and mylar film between its insulating body and shielding casing to eliminate outside two row's terminals The signal interference of side, right this kind of mode processing procedure and assembling are complex.

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 with good effectiveness.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, and it includes insulating body, consolidated Due to some conducting terminals in the insulating body, 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 snap close piece include base portion, from Lock catch arm that base portion extends forward and extended back from base portion for being welded in the leg on circuit board, the insulating body in Both sides on horizontal direction are provided with least a kerf, and the base portion is provided with the projection at least one insertion otch, Yu Heng To on direction, the projection extends outwardly beyond the lateral margin of the insulating body and is electrically connected 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 lateral margin is arranged at described matrix in horizontal stroke To the sidepiece on direction.

As further improvement of the utility model, the front end face of the limiting section forms the resistance positioned at described matrix periphery Block face, the rear surface of the shielding casing are connected to the blocking surface backward.

As further improvement of the utility model, the base portion has the fixed part extended transversely, in fore-and-aft direction On, the blocking surface on front side of the installation portion is between the rear surface of the fixed part and the aft bulkhead of the projection.

As further improvement of the utility model, the base portion, which also has, is relatively arranged on the fixed part horizontal direction A pair of projections of upper both sides, from the both sides of the fixed part, outside projection is formed the projection.

As further improvement of the utility model, the shielding casing includes frame and prolonged backward from the frame The extension stretched, the extension are sheathed on the outside of described matrix, and the lateral margin is formed on described matrix horizontal direction Sidepiece, there is gap between the extension and the lateral margin.

As further improvement of the utility model, outside projection enters the gap to the projection in transverse direction It is interior, and its side wall is compressed with the internal face of the extension and contacted, and contact position is compressed by snap close piece and shielding casing weldering at this Connect.

As further improvement of the utility model, the shielding casing is gapless structure, and the extension is certainly The frame integrally expand outwardly to be formed expand structure.

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 Put groove and extended in transverse direction with the stop surface of limiting lock fastener, the storage tank positioned at the accommodating front of the slot, itself and end Sub- accepting groove and otch are connected.

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 the top or bottom of the afterbody protrude to form folder towards relative afterbody Portion is held, the clamping part is set close to the rear end of the conducting terminal, and is formed on rear side of the clamping part and held molten tin bath.

The beneficial effects of the utility model are：Electric connector structure is simple in the utility model, by snap close piece in transverse direction Both sides on direction are electrically connected with shielding casing, you can strengthen the electromagnetism interference performance of electric connector.

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

Fig. 5 is the stereogram after electric connector removes shielding casing shown in Fig. 2；

Fig. 6 is the view at another visual angle of electric connector shown in Fig. 5；

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

Fig. 8 is the schematic cross-sectional view after electric connector removes snap close piece shown in Fig. 7.

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 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, on fore-and-aft direction, the length of described matrix 131 is longer than the length of limiting section 132.It is described The elliptical in its outer shape of limiting section 132, the two sides on its top surface, bottom surface and horizontal direction are respectively located at described matrix 131 Corresponding top surface, on the outside of bottom surface and two sides, be so located at described matrix 131 to be formed in the front end face of the limiting section 132 One circle blocking surface 1320 of periphery.

Described matrix 131 has at least accepting hole 1311 set from its roof and/or bottom wall to inner side depression.At this In embodiment, the limiting section 132 is provided with a pair of notches 1321, and it is horizontal that the otch 1321 is relatively arranged on the limiting section 132 To the both sides on direction, and caved inward in transverse direction from its lateral border and run through the limiting section 132, so with by institute State limiting section 132 and cut into two parts up and down.In other embodiments, the limiting section 132 also can only in the widthwise direction thereof Wherein side be provided with otch 1321.

The installation portion 13 be additionally provided with from end face 130 thereafter be recessed forward formation storage tank 134 and positioned at storage tank 134 Front end is extended in transverse direction with the stop surface 135 of limiting lock fastener 3, the storage tank 134, and it is with terminal containing slot 10 and cuts Mouth 1321 is connected.The storage tank 134 is divided into positioned at the first anterior storage tank 1341 and housed positioned at the second of rear portion Groove 1342, and the first storage tank 1341 is small compared with the height of the second storage tank 1342 in the height on above-below direction, the backstop Face 135 is the front end face for forming first storage tank 1341.

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 extend back and connected so that the otch 1321 with homonymy is front and rear, while also in the both sides of docking section 12 and institute State the cross connection of receiving space 120.

It refer to shown in Fig. 3 to Fig. 5 and Fig. 7 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（Do not indicate）Can basis Set using needing.

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 Fig. 3 and Fig. 7, shown in 8）.Signal end in two row's terminal groups on the inside of the power supply terminal 20c Sub- split settings are so as to forming conducting terminal independent of each other.

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 is formed in the rear side of clamping part 2032 and held tin Groove 2033, so that it is full with the scolding tin after welding circuit board, and then to be electrically connected with relatively reliable, the conducting terminal 2 2032 opposite projection of clamping part 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 front end of contact arm 201 of power supply terminal 20c and signal terminal are transversely concordant and attached The front end of the terminal 20b contact arm 201 is added to protrude out the front end of other terminals in row's terminal group, Ye Jisuo forward The head for stating additional terminal 20b extends forwardly beyond the head with other terminals in row, so that additional terminal 20b's is described Contact site 2011 and butt-joint socket connector（It is not shown）Hyoplastron rear portion set earthing member contact.The conducting terminal 2 The afterbody 203 extends back and beyond the rear end face 130 of the insulating body 1 so that its clamping part 2032 be exposed to it is described The rear side of rear end face 130, 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 to Fig. 7, the snap close piece 3 is metal material, and in the present embodiment, the snap close piece 3 includes Base portion 31, the lock catch arm 32 extended forward from base portion 31 and extended back from base portion 31 for being welded in circuit board（It is not shown） On leg 33 so that snap close piece 3 has earthing effect concurrently.The base portion 31 of the snap close piece 3 is overall U-shaped, and is left and right Symmetrical structure, it include extending transversely and in strip fixed part 311 and be relatively arranged on the horizontal direction of fixed part 311 The bearing of trend of a pair of projections 312 of upper both sides, the bearing of trend of the projection 312 and the lock catch arm 32 is on the contrary, tool For body, the projection 312 from the both sides of the fixed part 311 outwards and backward projection formed.

The lock catch arm 32 extends in the same direction from the both sides of base portion 31 form in pairs, and the front side of base portion 31 extends forward shape Linking arm 34 in a pair, the pair of linking arm 34 is spaced apart from each other in transverse direction, and between two lock catch arms 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 and base The cantilever 321 of the connection of portion 31 is with the snap-lock projections 322 for being arranged at the end of cantilever 321, on the lock catch arm 32 being arranged in pairs 322 opposite projection of snap-lock projections.The base portion 31 of the snap close piece 3 is fixed in the installation portion 13 of the insulating body 1, the lock Buckle arm 32 is protruded 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 311 of the base portion 31 is inserted and is positioned in first storage tank 1341, and is located at the conducting end The front of clamping part 2032 of son 2, circuit board are inserted and are limited in second storage tank 1342.It is described on horizontal direction Projection 312 extends outwardly beyond the lateral margin 1310 of matrix 131, and in other words, the side wall 3120 of the projection 312 is in horizontal side Upwards positioned at the outside of lateral margin 1310 of described matrix 131.In on fore-and-aft direction, the blocking surface 1320 of the installation portion 13 is located at institute State between the rear surface 3110 of fixed part 311 and the aft bulkhead 3121 of the projection 312.

The holding tank 2031 that each linking arm 34 is protruded between a pair of additional terminal 20b of correspondence of disjunctor setting It is interior, and insert corresponding to insulating body 1 in slot 14, so to ensure the position degree of snap close piece 3 so that snap close piece 3 and insulation The combination positioning of body 1 is more firm.After the leg 33 and clamping part 2032 are exposed to the rear end face 130 of the insulating body 1 Side, with the circuit board（It is not shown）Machinery and electric connection, the snap close piece 3 can not only latch butt connector, simultaneously 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 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, and and matrix There is gap 422 between 131 lateral margin 1310（As shown in Figure 8）, the extension 42 extends back so that 420, surface thereafter In the outside of the projection 312, specifically, in the present embodiment, on fore-and-aft direction, the rear surface of the extension 42 420 between the rear surface 3110 of the fixed part 311 and the aft bulkhead 3121 of the projection 312, the projection 312 Be contained in the otch 1321 and in transverse direction outside projection into the gap 422, and its side wall 3120 with it is described The internal face of extension 42 compresses in electrical contact to realize, and welds snap close piece 3 and shielding casing 4 in the abutting junction Connect, further to strengthen the effectiveness of electric connector 100.Meanwhile the protuberance 421 of the shielding casing 4 respectively to Inside stretch into the accepting hole 1311 of the insulating body 1, the rear surface 420 of the extension 42 and the rear table of described matrix 131 Face（The blocking surface 1320 of limiting section 132 in other words）It is coplanar, and it is connected to the resistance of the front side of limiting section 132 backward Block face 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 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 snap close piece include base portion, the lock catch arm extended forward from base portion and from base portion extend back with For the leg being welded on circuit board, it is characterised in that：The insulating body in the both sides on horizontal direction be provided with least all Mouthful, the base portion is provided with the projection at least one insertion otch, and on horizontal direction, the projection stretches out super Go out the lateral margin of the insulating body and be electrically connected with the shielding casing.

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 lateral margin are arranged at described Matrix is in the sidepiece on horizontal direction.

3. electric connector as claimed in claim 2, it is characterised in that：The front end face of the limiting section, which is formed, is located at described matrix The blocking surface of periphery, the rear surface of the shielding casing is connected to the blocking surface backward.

4. electric connector as claimed in claim 2 or claim 3, it is characterised in that：The base portion has the fixed part extended transversely, In on fore-and-aft direction, the blocking surface on front side of the installation portion is located at the rear surface of the fixed part and the aft bulkhead of the projection Between.

5. electric connector as claimed in claim 4, it is characterised in that：The base portion, which also has, is relatively arranged on the fixed part A pair of the both sides projections on horizontal direction, from the both sides of the fixed part, outside projection is formed the projection.

6. electric connector as claimed in claim 5, it is characterised in that：The shielding casing includes frame and from the framework The extension that portion extends back, the extension are sheathed on the outside of described matrix, and the lateral margin is formed at described matrix horizontal stroke To the sidepiece on direction, there is gap between the extension and the lateral margin.

7. electric connector as claimed in claim 6, it is characterised in that：Outside projection enters institute to the projection in transverse direction State in gap, and its side wall is compressed with the internal face of the extension and contacted, and contact position is compressed by snap close piece and masking at this Case weld.

8. electric connector as claimed in claim 6, it is characterised in that：The shielding casing is gapless structure, and described is prolonged Extending portion be integrally expanded outwardly from the frame to be formed expand structure.

9. electric connector as claimed in claim 1, 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 prolonged in transverse direction with the stop surface of limiting lock fastener, the storage tank positioned at the accommodating front of the slot Stretch, it is connected with terminal containing slot and otch.

10. electric connector as claimed in claim 1, it is characterised in that：Each conducting terminal, which has, protrudes into the receipts Hold elastic contact arm, the holding parts being fixed in the insulating body and the afterbody to be extended back from holding parts in space, it is described Contact arm is relatively arranged on the upper side and lower side of receiving space in two rows, and the top or bottom of the afterbody are towards relative afterbody Prominent to form clamping part, the clamping part is set close to the rear end of the conducting terminal, and is formed and held on rear side of the clamping part Molten tin bath.