CN206271979U - A kind of electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it includes insulating body, the some conducting terminals being fixed in the insulating body, the shielding casing that a pair of catches part of butt connector can be latched and be coated on outside the insulating body, 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 that are set in two rows along short transverse, the pair of snap close piece is transversely arranged at the outside of the conducting terminal, and each snap close piece has base portion, positioned at the lock catch arm of its front end, an at least alar part, with the fixed part and at least grounding parts positioned at its rear end of insulating body interference engagement, the alar part exposed to insulating body outside and with shielding casing interference engagement.The snap close piece of the electric connector has the alar part with shielding casing interference engagement, has earthing effect concurrently while snap close piece lock butt connector so that shielding casing has more preferable shield effectiveness.

Description

A kind of electric connector

Technical field

The utility model is related to connector technique field, more particularly to it is a kind of can just anti-plug electric connector.

Background technology

With developing rapidly for electron trade 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 and stands in the breach.

Due to requiring the smaller of USB Type-C connectors of new generation, this causes, product more preferable to mechanical property requirements Product design difficulty is higher.In order to towards more frivolous, more very thin equipment, and ensure the reliability of product structure, major producers are confused Confusingly release corresponding structure design.

Existing USB Type-C plug connectors, its lock catch arm latched with butt connector is generally arranged at central screen The both sides of piece are covered, the lock and earthing effect with butt connector are realized using central shield piece, but when the plug connector When being provided with central shield piece, the manufacture of plug connector and assembling difficulty are larger.

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

Utility model content

The purpose of this utility model is to provide a kind of electric connector with improved snap close piece.

To realize above-mentioned utility model purpose, the utility model provides a kind of electric connector, and it includes insulating body, consolidates Due to some conducting terminals in the insulating body, a pair of catches part of butt connector can be latched and the insulation is coated on This external shielding casing, the insulating body has the receiving space for being available for butt-joint socket connector to insert, the conducting end Attached bag includes the first end subgroup and Second terminal group set in two rows along short transverse, and the pair of snap close piece is transversely arranged at The outside of the conducting terminal, and each snap close piece has base portion, the lock catch arm positioned at its front end, at least an alar part and insulation Body interference coordinate fixed part and at least grounding parts positioned at its rear end, the alar part exposed to insulating body outside and with Shielding casing interference engagement.

Used as further improvement of the utility model, the alar part is located at wherein in the upside of the base portion or downside Side.

Used as further improvement of the utility model, the alar part backward and outward-dipping prolongs from the upside or downside of base portion Stretch setting.

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 installation portion positioned at the main part rear and outwardly, the fixed part are interfered with the installation portion Coordinate.

Used as further improvement of the utility model, the fixed position is in the alar part rear and prominent to upper and lower both sides Go out to set so that its height highly compared with other positions of snap close piece is big, the both sides up and down of the fixed part are provided with interference and house Teat in the installation portion.

Used as further improvement of the utility model, the both sides of the insulating body are respectively arranged with and extend along the longitudinal direction Holding slot, the holding slot is located at the both sides correspondence position of the installation portion and along the longitudinal direction runs through the installation portion, The alar part is exposed to holding slot front.

Used as further improvement of the utility model, the both sides of the insulating body are additionally provided with what is extended along the longitudinal direction Groove and the scarce portion in front of correspondence groove, the lock catch arm is contained in the scarce portion of the insulating body both sides, with it is right Connecting connector carries out lock fixing.

Used as further improvement of the utility model, the lock catch arm extends forward from the front end of the base portion, its with connect Ground portion is relatively arranged on the two ends of the snap close piece, the grounding parts be exposed to the rear end face rear side of the installation portion with an electricity Road trigger tool and electric connection.

As further improvement of the utility model, if the roof and inside bottom wall of the insulating body are respectively equipped with dry end Pilot trench, the corresponding end pilot trench of the insulating body is fixed in assembling to the first end subgroup from back to front respectively with Second terminal group Interior, the snap close piece is sequentially inserted into the both sides of insulating body from back to front.

Used as further improvement of the utility model, each conducting terminal has the contact for protruding into receiving space Arm, the holding parts being fixed in insulating body and extended back from holding parts and stretch out the afterbody of insulating body, in electrical connection In the short transverse of device, the holding parts of at least part of conducting terminal protrude from up or down its correspondence contact arm with it is right The terminal groove interference engagement answered.

The beneficial effects of the utility model are：The snap close piece of electric connector has and interferes with shielding casing in the utility model The alar part of cooperation, has earthing effect concurrently so that shielding casing has preferably shielding while snap close piece lock butt connector Effect.

Brief description of the drawings

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

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

Fig. 3 is the three-dimensional exploded view after electric connector removes circuit board 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 assembly diagram of electric connector shown in Fig. 3；

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

Fig. 7 is the optical cable of electric connector shown in Fig. 5；

Fig. 8 is the view at another visual angle of electric connector shown in Fig. 7；

Fig. 9 is the schematic cross-sectional view of Fig. 5；

Figure 10 is the schematic cross-sectional view after electric connector removes circuit board in Fig. 1.

Specific embodiment

The utility model is described in detail below with reference to each implementation method shown in the drawings.But these implementation methods The utility model is not intended to limit, structure, method or work(that one of ordinary skill in the art is made according to these implementation methods Conversion on energy is all contained in protection domain of the present utility model.

Refer to shown in Fig. 1 to Figure 10, be the preferred embodiment of the utility model electric connector 100, the electric connector 100 include insulating body 1, some conducting terminals 2 being fixed in the insulating body 1, snap close piece 3, are coated on the insulation Shielding casing 4 outside body 1, a pair of the metal clips 5 being arranged between insulating body 1 and shielding casing 4 and positioned at insulation this The rear of body 1 and the circuit board 6 being electrically connected with conducting terminal 2.

Please be shown in Fig. 2 to Figure 10, the insulating body 1 has main part 11, is arranged at the docking section in the front of main part 11 12 and installation portion 13 positioned at the rear of main part 11 and outwardly, wherein the main part 11 is on the whole with docking section 12 Elliptical cylinder is set, and the inner side of the docking section 12 is formed with the receiving space 120 of forwards open setting, for butt-joint socket Connector is inserted forward or backwards.The roof and inside bottom wall of the insulating body 1 are respectively equipped with some terminal grooves 10, in roof By between the spaced walls 110 of setting in main part 11 between the respective end pilot trench 10 that the terminal groove 10 and inside bottom wall that side is set are set Separate and.The rear end face of the self-insulating body 1 of the terminal groove 10 extends forwardly into the inner side of the docking section 12 and and receiving space 120 are connected.The roof of the main part 11 and the outer surface of bottom wall outwardly form some buckle blocks 112 respectively.

The docking section 12 has the bottom wall 122 that roof 121 is oppositely arranged with roof and the side wall being connected with top, bottom wall 123, the outer surface of the roof 121 and bottom wall 122 has be recessed to form a receiving area towards the direction of receiving space 120 respectively 124 and some accepting holes 125 for being formed there through, the receiving area 124 is open up or down respectively to be set to house metal elastic Piece 5, the accepting hole 125 is connected with the receiving area 124 of homonymy respectively.Offered respectively on the roof 121 and bottom wall 122 A pair of opposing and positioned at correspondence accommodate the both sides of area 124 combined hole 126.

The both sides of the insulating body 1 are respectively arranged with groove 14, the holding slot 15 and positioned at right for extending along the longitudinal direction The scarce portion 16 in the front of groove 14 is answered, the groove 114 is located at the correspondence position of the both sides of main part 11, and the holding slot 15 is located at peace The both sides correspondence position in dress portion 13 and installation portion 13 run through along the longitudinal direction.

Refer to shown in Fig. 3 to Fig. 9, the conducting terminal 2 includes the first end subgroup set in two rows along short transverse 21 and Second terminal group 22, the first end subgroup 21 is corresponding with Second terminal group 22 and reverse arrangement.The first terminal Group 21 with Second terminal group 22 be fixed in the corresponding end pilot trench 10 of insulating body 1 from back to front respectively by assembling.

On the horizontal direction of electric connector 100, the width of each conducting terminal 2 remains one from front to back Cause, conducting terminal 2 described in each of which have protrude into receiving space 120 elastic contact arm 201, be 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 is upward Or protrude into receiving space 120 downwards, and with the contact site 2011 positioned at its free end, the contact site 2011 is towards another The projection of corresponding contact arm 201 in one row.

The contact site 2011 of the conducting terminal 2 in first, second terminal group 21,22 is set with respect to projection, and respectively The upper side and lower side of receiving space 120 is arranged at, by the tongue piece of a butt connector（It is not shown）It is held on the contact site Between 2011.Meanwhile, the terminal groove 10 is corresponding about 2011 with the contact site of the conducting terminal 2, to provide conducting terminal 2 Contact site 2011 outwards float space, 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 set with the USB Type-C plug connectors of standard respective terminal it is right Socket part position sets identical.

In the short transverse of electric connector 100, each holding parts 202 protrude from its correspondence and connect up or down Contact arm 201, that is, the contact arm 201 of the row of protruding downward from of holding parts 202 of the first end subgroup 21 of upper row, lower row's The holding parts 202 of Second terminal group 22 project upwards the contact arm 201 in lower row.In other embodiments, also can only wherein Partially electronically conductive terminal 2 the holding parts 202 protrude from up or down its correspondence contact arm 201.Specifically, because of Conducting terminal 2 in one terminal group 21 is set with the corresponding conducting terminal 2 in Second terminal group 22 in mirror image, only arranges above below First end subgroup 21 in conducting terminal 2 as a example by illustrate, the holding parts 202 have from its correspondence afterbody 203 before Bending extends the first kink 2021, the front end horizontal forward extension of continuation from the first kink 2021 for being formed diagonally downward at end Interference part 2022 and the front end in self-interference portion 2022 tilt upward that bending extends and connected with corresponding contact arm 201 second is curved Folding part 2023, so repeatedly the design of bending causes it on the whole in structure that is opening up and becoming larger.In electric connector In 100 short transverse, the ratio between the whole height of the holding parts 202 and the height of contact arm 201 is not more than 1.5. The holding parts 202（First kink 2021 in other words）Junction and/or holding parts 202 with afterbody 203（In other words second Kink 2023）Project upwards to form raised 204 with the junction of contact arm 201, that is, on same conducting terminal 2, it is described solid Projection of the projection direction with raised 204 for holding portion 202 is in opposite direction, so that the both sides in the height direction of conducting terminal 2 are divided equally Do not interference cooperation with the upper lower wall surface of terminal groove 10, without the transversely projecting structures such as traditional hangnail are set, to ensure insulation The intensity of body.The bottom of the afterbody 203 of lower row is downwardly projected to form clamping part 2031, thus upper and lower two row afterbody The 203 opposite projection of clamping part 2031 is with sandwiched therebetween by circuit board 6.

The snap close piece 3 is metal material, and each snap close piece 3 is transversely arranged at the outside of the conducting terminal 2, And the interference engagement of installation portion 13 with base portion 31, at least lock catch arm 32 positioned at its front end, an alar part 33 and insulating body 1 Fixed part 34, positioned at an at least grounding parts 35 of its rear end and face on its inside and the fin that extends along the longitudinal direction 36, the opposite projection of two fins 36 of a pair of catches part 3.The lock catch arm 32 prolongs forward from the front end of the base portion 31 Stretch, its two ends that the snap close piece 3 is relatively arranged on grounding parts 35.The lock catch arm 32 is contained in 1 liang of the insulating body In the scarce portion 16 of side, lock fixing is carried out with butt connector.

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

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

When the snap close piece 3 is assembled in insulating body 1, the snap close piece 3 is sequentially inserted into insulating body 1 from back to front In the holding slot 15 and groove 14 of both sides, wherein the lock catch arm 32 is through corresponding groove 14 and is exposed to insulating body On 1 horizontal direction in the scarce portion 16 of both sides, exposed to the outside of the insulating body 1, it is located at the groove 14 to the alar part 33 Rear, the front of holding slot 15, namely between the groove 14 and holding slot 15, and with the interference engagement of shielding casing 4.It is described Fixed part 34 is contained in the holding slot 15, and is fastened in wherein by teat 341, and the grounding parts 35 are exposed to the peace The rear end face rear side in dress portion 13, with the machinery of the circuit board 6 and be electrically connected with, as a result, snap close piece 3 can not only latch it is right Connecting connector, while also having earthing effect concurrently.

The front end of the shielding casing 4 has oval interface frame, mating frame mouthful, and it is connected with the USB Type-C plugs of standard The interface frame, mating frame mouthful of device is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, with the applicable use of positive anti-plug just Prompt sexual clorminance.The shielding casing 4 is sheathed on the outside of insulating body 1 from front to back, and its roof and bottom wall have some and card The block button hole 41 of the corresponding matching of button block 112.

The metal clips 5 has the substrate 51 being attached on the outside of the insulating body 1, is bent from the both sides of substrate 51 and fixed Stator 52 in the combined hole 126 of insulating body 1, extend forward from substrate 51 and inwardly protrude into and described house empty Between in 120 in support shell fragment 53, from substrate 51 laterally（Up or down）Bending the outer of projection supports shell fragment 54.In described Shell fragment 53 is supported to be abutted against with the earthing member on butt connector, described supporting shell fragment 54 outwards abuts the masking shell outward The inwall of body 4（The roof of shielding casing 4 and/or the inner surface of bottom wall）, to form earthing effect.

The electric connector 100 also has at least ground strip 7 being located between metal clips 5 and shielding casing 4, described Ground strip 7 has lamellar body 71, second is supported from the first contact piece 72 of the outward bending of lamellar body 71 and from what lamellar body 71 bent to the inside Contact pin 73, second contact piece 73 is provided with inwardly protruded convex portion 74.First contact piece 72 outward bending is abutting The inwall of the shielding casing 4, forms earthing effect.The convex portion 74 set in second contact piece 73 is inwardly protruding and abuts In the corresponding interior abutting shell fragment 53 of the metal clips 5.

It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method 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 Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book With the other embodiment for understanding.

The a series of tool described in detail only for feasibility implementation method of the present utility model of those listed above Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within protection domain of the present utility model.

Claims (10)

1. a kind of electric connector, it include insulating body, some conducting terminals being fixed in the insulating body, can latch it is right A pair of catches part of connecting connector and the shielding casing being coated on outside the insulating body, the insulating body have be available for docking The receiving space of socket connector insertion, the conducting terminal includes the first end subgroup and the set in two rows along short transverse Two-terminal group, it is characterised in that：The pair of snap close piece is transversely arranged at the outside of the conducting terminal, and each snap close piece With base portion, the fixed part of the lock catch arm positioned at its front end, at least an alar part and insulating body interference engagement and positioned at its rear end An at least grounding parts, the alar part exposed to insulating body outside and with shielding casing interference engagement.

2. electric connector as claimed in claim 1, it is characterised in that：The alar part is located in the upside of the base portion or downside Wherein side.

3. electric connector as claimed in claim 2, it is characterised in that：The alar part from the upside or downside of base portion backward and to Outer incline is extended.

4. the electric connector as any one of claims 1 to 3, it is characterised in that：The insulating body has main body Portion, the docking section being arranged in front of the main part and installation portion positioned at the main part rear and outwardly, it is described Fixed part and the installation portion interference engagement.

5. electric connector as claimed in claim 4, it is characterised in that：The fixed position in the alar part rear, and upwards Lower both sides are provided projectingly so that its height highly compared with other positions of snap close piece is big, and the both sides up and down of the fixed part are provided with Interference is contained in the teat in the installation portion.

6. electric connector as claimed in claim 4, it is characterised in that：The both sides of the insulating body are respectively arranged with along front and rear The holding slot that direction extends, the holding slot is located at the both sides correspondence position of the installation portion and along the longitudinal direction by the installation Portion is run through, and the alar part is exposed to holding slot front.

7. electric connector as claimed in claim 6, it is characterised in that：The both sides of the insulating body are additionally provided with along front and back To the groove for extending and the scarce portion in front of correspondence groove, the lock catch arm is contained in the scarce portion of the insulating body both sides It is interior, carry out lock fixing with butt connector.

8. electric connector as claimed in claim 4, it is characterised in that：The lock catch arm prolongs forward from the front end of the base portion Stretch, its two ends that the snap close piece is relatively arranged on grounding parts, after the grounding parts are exposed to the rear end face of the installation portion Side with a circuit board machinery and be electrically connected with.

9. electric connector as claimed in claim 8, it is characterised in that：The roof and inside bottom wall of the insulating body set respectively There are some terminal grooves, the right of the insulating body is fixed in assembling to the first end subgroup from back to front respectively with Second terminal group Answer in terminal groove, the snap close piece is sequentially inserted into the both sides of insulating body from back to front.

10. electric connector as claimed in claim 1, it is characterised in that：Each conducting terminal is empty with collecting is protruded into Between contact arm, the holding parts that are fixed in insulating body and extended back from holding parts and stretch out the afterbody of insulating body, In the short transverse of electric connector, the holding parts of at least part of conducting terminal protrude from its correspondence and contact up or down Arm with corresponding terminal groove interference engagement.