CN206558721U - Electric connector - Google Patents

Abstract

A kind of electric connector, including insulating body, some conducting terminals being fixed in insulating body, center shield, the shielding casing being coated on outside insulating body and a pair of metal clips being arranged between insulating body and shielding casing, insulating body has receiving space, conducting terminal includes the first end subgroup and Second terminal group set along short transverse in two rows, center shield includes fixed part, a pair of catches arm and self-fixed department that self-fixed department extends forward extend back to be welded in a pair of extensions on circuit board, the fixed part is integrally designed in the form of sheets, and it is located at sustained height with lock catch arm, a pair of extensions are symmetricly set in the both sides of fixed part, each extension has a pair of clamping limbs by circuit board clamping therebetween.The clamping limb set by center shield rear end clamps circuit board, to improve the fixing intensity between the entirety and circuit board that insulating body and center shield constituted.

Description

Electric connector

Technical field

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

Background technology

In the past, USB（Universal Serial Bus, abbreviation USB）Used by universal masses, and with It is the faster USB3.0 transmission standards of transmission speed now that USB2.0 transmission standards, which are developed to,.

The external form of the USB Type-C electric connectors of right latest generation, structure, termination contact mode, numbers of terminals, each end The distance of son（Pitch）, each terminal distribution（Pin Assignment）, it is all completely different with current USB electric connectors.It is existing Some USB Type-C plug connectors include the two rows terminal being arranged on glue core, be covered in it is outer outside glue core Iron-clad, along short transverse it is located at the center shield between row's terminal up and down and the internal circuit board being connected with terminal tails etc. Structure, its using center shield realize with the lock and earthing effect of butt connector, but terminal and center shield with Assembling and fixation between internal circuit board are more difficult；Meanwhile, the situation of metal clips is provided between glue core and outer iron-clad Under, the assembling and positioning of metal clips be also in the industry urgent need to resolve the problem of.

In view of this, it is necessary to which conventional electric connector structure is improved, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of electric connector, and the electric connector assembling is convenient and intensity is higher.

To realize above-mentioned utility model purpose, the utility model provides a kind of electric connector, including insulating body, fixation In some conducting terminals in the insulating body, center shield, the shielding casing being coated on outside the insulating body and set A pair of metal clips between insulating body and shielding casing are put, the insulating body, which has, is available for butt-joint socket connector to insert The receiving space entered, the conducting terminal includes the first end subgroup and Second terminal group set along short transverse in two rows, institute State both sides of the center shield including fixed part, a pair of catches arm of the horizontal forward extension of self-fixed department and self-fixed department backward Extension is for being welded in a pair of extensions on circuit board, and the fixed part is integrally designed in the form of sheets, and with lock catch arm position In sustained height, the pair of extension is symmetricly set in the both sides of fixed part, and each extension, which has, presss from both sides circuit board It is held in a pair of clamping limbs therebetween.

As further improvement of the utility model, the pair of lock catch arm is symmetrically extended in the same direction from the fixed part both sides Form, and the fixed part and lock catch arm are along the consistency of thickness in short transverse.

As further improvement of the utility model, each extension includes the company being connected with the fixed part sidepiece Socket part and the n shape clamping parts being connected with the connecting portion.

As further improvement of the utility model, described in the clamping part has and is oppositely arranged along short transverse for a pair Clamping limb and between this pair of clamping limb to house the clamp port of circuit board, each clamping limb is provided with another clamping The protuberance of arm projection, the protuberance of clamping limb described in a pair is set with respect to projection, by the front end clamping of circuit board therebetween.

As further improvement of the utility model, each lock catch arm has the cantilever being connected with fixed part and setting In the snap-lock projections of cantilevered distal end, the opposite projection of snap-lock projections described in a pair on lock catch arm.

As further improvement of the utility model, the insulating body include pedestal, upper body and lower body, it is described on Together with the short transverse stack assembly of body and lower body along electric connector, the pedestal is fixed on the upper body and lower There is the direction concave shape towards receiving space to accommodate area, the receiving area in a pair for the front side of body, the outer surface of the pedestal It is open up or down respectively to set to house metal clips.

As further improvement of the utility model, each metal clips, which has, is horizontally disposed with and is attached at the appearance Receive area's inwall substrate, inwardly protrude into and shell fragment supported in some in the receiving space, from two on substrate horizontal direction Lateral bend outer supports shell fragment with a pair of joint portions being engaged with pedestal and from some of the outward-dipping extension of substrate.

As further improvement of the utility model, each joint portion is with the combination arm extended back and positioned at this The projection of combination arm sidepiece, the top surface of the raised self-bonding arm or bottom surface are formed along the outside projection of short transverse, with pedestal Interference engagement.

As further improvement of the utility model, it is provided with the substrate some along wearing that short transverse is run through Hole, the perforation is set close to the front end of substrate, and is corresponded with the interior shell fragment that supports, and in the height direction, it is described Shell fragment is inside supported to align with perforation with the contact zone of butt connector.

As further improvement of the utility model, in a lateral direction, the interior shell fragment that supports supports shell fragment friendship with outer For setting, it is described in support shell fragment and reversely bend extension from the rear end of the substrate, it is described in support shell fragment bearing of trend and The outer bearing of trend for supporting shell fragment is opposite.

The beneficial effects of the utility model are：By being set on the extension of the center shield rear end in main body in the form of sheets Clamping limb is strong to improve the fixing between the entirety and circuit board that insulating body and center shield constituted so that circuit board to be clamped Degree.

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 of electric connector shown in Fig. 1.

Fig. 4 is the optical cable after electric connector shown in Fig. 1 removes shielding casing and circuit board.

Fig. 5 is the view at another visual angle of electric connector shown in Fig. 4.

Fig. 6 is the schematic perspective view of the center shield of electric connector shown in Fig. 3.

Fig. 7 is the side view of center shield shown in Fig. 6.

Fig. 8 is the schematic perspective view of the metal clips of electric connector shown in Fig. 3.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and specific implementation The utility model is described in detail example, and the convenience for statement relates to direction, please without exception join herein with accurately According to Fig. 1, itself and butt-jointed electric connector（Butt-joint socket, it is not shown）Butt end be front end, the other end is rear end.

Refer to shown in Fig. 1 to Fig. 8, the electric connector 100 that the utility model is disclosed includes insulating body 1, fixed In some conducting terminals 2 in the insulating body 1, center shield 3, the shielding casing being coated on outside the insulating body 1 4th, a pair of metal clips 5 for being arranged between insulating body 1 and shielding casing 4 and with after conducting terminal 2 and center shield 3 The connected circuit board 6 in portion.

Please be shown in Fig. 2 to Fig. 6, the insulating body 1 includes pedestal 11, upper body 12 and lower body 13, the upper body 12 together with short transverse stack assembly of the lower body 13 along electric connector 100, and the pedestal 11 is fixed on the upper body 12 and the front side of lower body 13.The overall oval column of pedestal 11 is set, and its inner side, which is formed with, is available for butt-joint socket to connect The receiving space 110 that device is inserted forward or backwards is connect, the inner side up and down of the base portion 11 is respectively equipped with to be connected with receiving space 110 Logical some terminal grooves 111.

The pedestal 11 has roof 112 and the bottom wall 113 being oppositely arranged with roof 112, the roof 112 and bottom wall 113 outer surface has respectively to be recessed to form a receiving area 114 towards the direction of receiving space 110, and the receiving area 114 is distinguished It is open up or down to set to house metal clips 5, and each receiving area 114 be provided through along short transverse it is some Receiving hole 115.The both sides of the pedestal 11 offer fluting 116 respectively, and 116 difference of being slotted described in a pair are laterally outwardly opened simultaneously And from the rear end of pedestal 11 forward concave shape into while in the both sides of pedestal 11 and the cross connection of receiving space 110.

The upper body 12 has some first protruded stigmas of downward projection（It is not shown）And be recessed upwards from its lower surface Some first accepting holes formed（It is not shown）.The lower body 13 is prominent provided with forming some second from the upward projection in its upper surface Post 131 and some second accepting holes 132 for the formation that is recessed downwards from its upper surface, second protruded stigma 131 and second are housed And the align setting corresponding with the first accepting hole and the first protruded stigma set on upper body 12 respectively of hole 132, to realize upper Being fitted to each other between body 12 and lower body 13.

Wherein, after upper and lower body 12,13 snaps into the both sides up and down of center shield 3, described on upper body 12 Second protruded stigma 131, the second accepting hole 132 on one protruded stigma, the first accepting hole and lower body 13 respectively with center shield 3 The corresponding through hole 311 of upper setting aligns, and the first protruded stigma is sequentially inserted into the corresponding through hole 311 of center shield 3 from up to down And second in accepting hole 132, the corresponding through hole 311 and first that the second protruded stigma 131 is sequentially inserted into center shield 3 from bottom to top is received Hold in hole, intersect the fixed structure that insertion coordinates in this way, being formed.

It refer to shown in Fig. 1 to Fig. 5, 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.The first terminal Group 21 inlays to bury respectively with Second terminal group 22 to be fixed in body 12 and lower body 13, to form upper end sub-component and lower terminal Component.

Conducting terminal 2 in first end subgroup 21 is set with the corresponding conducting terminal 2 in Second terminal group 22 in mirror image.Institute The contact site for stating the contact site and each conducting terminal of Second terminal group of each conducting terminal of first end subgroup is point-symmetrically set, First, second terminal group includes two pairs of high speed signal terminals, a pair of low speed signal terminals, two power supply terminals, two ground connection Terminal, One function inspection terminal and an expansion terminal.

Each conducting terminal 2, which has, to be protruded into the elastic contact arm 201 of receiving space 110, is fixed on body 12 Or the holding parts in lower body 13（It is not shown）And the afterbody 203 of insulating body 1 is extended back and stretched out from holding parts, it is described Contact arm 201 is relatively arranged on the upper side and lower side of receiving space 110 in two rows.In the present embodiment, the contact arm 201 to Above or protrude into receiving space 110 downwards, and with the contact site 2011 positioned at its free end, the direction of contact site 2011 The corresponding projection of contact arm 201 in another row.

The contact site 2011 of 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.Position of the contact site 2011 of first end subgroup 21 and Second terminal group 22 on insulating body 1 set with mark The docking site of respective terminal installs identical on accurate USB Type-C plug connectors.

The center shield 3 includes fixed part 31, the lock catch arm 32 of the horizontal forward extension of self-fixed department 31 and from admittedly The both sides for determining portion 31 extend back for being welded in the extension 33 on circuit board 6, so that center shield 3 has ground connection concurrently Effect.The fixed part 31 of center shield 3 described in the utility model is overall to be designed in the form of sheets, is located at same height with lock catch arm 32 Spend and along the consistency of thickness in short transverse, the paired both sides of self-fixed department 31 of lock catch arm 32, which are extended in the same direction, to be formed, and symmetrically Set, the front part of the fixed part 31 is located between two lock catch arms 32, and have certain between two lock catch arms 32 Distance.

The fixed part 31 is bilateral symmetry, and is provided through some through holes 311 along short transverse, described Through hole 311 aligns setting so that protruded stigma is inserted through with the protruded stigma and accepting hole on upper body 11 and lower body 12 respectively.Often Lock catch arm 32 described in one has the cantilever 321 being connected with fixed part 31 and the snap-lock projections 322 for being arranged at the end of cantilever 321, into To the opposite projection of snap-lock projections 322 on the lock catch arm 32 of setting.

The center shield 3 has extension 33 described in symmetrically arranged a pair, and each extension 33 and homonymy Breach 34 is provided between lock catch arm 32.Meanwhile, each extension 33 include the connecting portion 331 that is connected with the sidepiece of fixed part 31 and The n shapes clamping part 332 being connected with connecting portion 331, the n shapes clamping part 332 has a pair of folders being oppositely arranged along short transverse Gripping arm 333 and the clamp port 334 between this pair of clamping limb 333.Each clamping limb 333 is provided with another clamping limb The protuberance 335 of 333 projections, the protuberance 335 of clamping limb 333 described in a pair is set with respect to projection, by the front end of circuit board 6 Clamping therebetween, to improve the fixing intensity between the entirety and circuit board 6 that insulating body 1 and central shield piece 3 constituted.

When center shield 3 is assembled in insulating body 1, the fixed part 31 is fixed in the insulating body 1, institute Lock catch arm 32 is stated to house and be positioned in corresponding fluting 116, and the front portion of lock catch arm 32 is protruded into receiving space 110, institute State fixed part 31 and lock catch arm 32 along short transverse to be located between first, second terminal group 21,22, the circuit board 6 is held on Between the afterbody 203 of the terminal group 21,22 of clamping limb 333 and first, second described in a pair.

The front end of the shielding casing 4 has the interface frame, mating frame mouthful of ellipse, and it is connected with the USB Type-C plugs of standard The interface frame, mating frame of device mouthful is consistent, coordinates for the positive and negative insertion with butt-joint socket connector, with the applicable use of positive anti-plug just Prompt sexual clorminance.

Fig. 2 be refer to Fig. 5 and with reference to shown in Fig. 7, the quantity of the metal clips 5 is a pair, and each metal Shell fragment 5 there is substrate 51 that is horizontally disposed and being attached at the outside of insulating body 1, extension is reversely bent from the rear end of substrate 51 and Inwardly protrude into supported in some in the receiving space 110 shell fragment 52, from two lateral bends on the horizontal direction of substrate 51 with A pair of joint portions 53 for being engaged with pedestal 11 and outer support shell fragment 54 from some of the outward-dipping extension of substrate 51.

Some perforation 511 run through along short transverse are provided with the substrate 51, the perforation 511 is close to substrate 51 front end is set, and is corresponded with the interior shell fragment 52 that supports, it is described in support the position that shell fragment 52 is connected with substrate 51 Dead astern in perforation 511, and in the height direction, the interior contact zone 521 for supporting shell fragment 52 and butt connector Alignd with perforation 511, not only cause the interior shell fragment 52 that supports with preferable elasticity, and the offer of shell fragment 52 one can be supported in The fixed bit space that allows.The substrate 51 also has some slits 512, and slit 512 described in a pair is respectively arranged in each and supported Shell fragment 52 in transverse direction on both sides, namely it is each in support shell fragment 52 and be spaced by a pair of adjacent slits 512 and formed.

Shell fragment 52 is supported in described in bending, its be located at the inner side of the substrate 51 and with the rear end phase of the substrate 51 Even and forward fold extension, namely in described the front end for supporting shell fragment 52 is free end, and its bearing of trend outer supports bullet with described The bearing of trend of piece 54 is opposite.

Each joint portion 53 has the combination arm 531 extended back and the projection positioned at the sidepiece of combination arm 531 532, the top surface of the raised 532 self-bonding arm 531 or bottom surface are formed along the outside projection of short transverse, to match somebody with somebody with the interference of pedestal 11 Close.It is described it is outer support the front end of shell fragment 54 and the substrate 51 it is anterior be connected, rear end is free end, meanwhile, in a lateral direction, institute Shell fragment 52 is supported in stating to be arranged alternately with supporting shell fragment 54 outside.

When the correspondence that each metal clips 5 is put into insulating body 1 is accommodated in area 114, the substrate 51 is attached at The inwall in the receiving area 114, the interior shell fragment 52 that supports inwardly is protruded into the corresponding receiving hole 115 of homonymy and further dashed forward It is exposed in receiving space 110.Two combination arms 531 that two metal clips 5 are located at homonymy extend rearward into same In fluting 116, and with forming the cell wall interference fixation of fluting 116, so realize that metal clips 5 and being affiliated to for insulating body 1 are solid It is fixed, it is easy to assembly, and metal clips 5 do not allow in assembling it is yielding.

Above example is only unrestricted to illustrate the technical solution of the utility model, although with reference to preferred embodiment pair The utility model is described in detail, it will be understood by those within the art that, can be to technology of the present utility model Scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solutions of the utility model.

Claims (10)

1. a kind of electric connector, including insulating body, some conducting terminals being fixed in the insulating body, central shield Part, the shielding casing being coated on outside the insulating body and a pair of metal elastics being arranged between insulating body and shielding casing Piece, the insulating body has the receiving space for being available for butt-joint socket connector to insert, and the conducting terminal is included along height side To the first end subgroup and Second terminal group set in two rows, the center shield include fixed part, self-fixed department level to A pair of catches arm of preceding extension and the both sides of self-fixed department extend back for being welded in a pair of extensions on circuit board, its It is characterised by：The fixed part is integrally designed in the form of sheets, and is located at sustained height, the pair of extension pair with the lock catch arm Claim the both sides for being arranged at fixed part, each extension has a pair of clamping limbs by circuit board clamping therebetween.

2. electric connector according to claim 1, it is characterised in that：The pair of lock catch arm is same from the fixed part both sides Formed to being symmetrically extended, and the fixed part and lock catch arm are along the consistency of thickness in short transverse.

3. electric connector according to claim 1 or 2, it is characterised in that：Each extension includes and the fixation The connected connecting portion of portion's sidepiece and the n shape clamping parts being connected with the connecting portion.

4. electric connector according to claim 3, it is characterised in that：The clamping part is relative along short transverse with a pair The clamping limb that sets and between this pair of clamping limb to house the clamp port of circuit board, each clamping limb is provided with court To the protuberance of another clamping limb projection, the protuberance of clamping limb described in a pair is set with respect to projection, by the front end of circuit board Clamping is therebetween.

5. electric connector according to claim 2, it is characterised in that：Each lock catch arm has what is be connected with fixed part Cantilever and the snap-lock projections for being arranged at cantilevered distal end, the opposite projection of snap-lock projections described in a pair on lock catch arm.

6. electric connector according to claim 2, it is characterised in that：The insulating body include pedestal, upper body and under Body, together with the short transverse stack assembly of the upper body and lower body along electric connector, the pedestal is fixed on described There is the direction concave shape towards receiving space to accommodate in a pair for the front side of upper body and lower body, the outer surface of the pedestal Area, the receiving area is open up or down respectively to be set to house metal clips.

7. electric connector according to claim 6, it is characterised in that：Each metal clips has horizontally disposed and pasted Invest the substrate of receiving area inwall, inwardly protrude into some in the receiving space in support shell fragment, it is horizontal from substrate Two lateral bends on direction outer are supported with a pair of joint portions being engaged with pedestal and from some of the outward-dipping extension of substrate Shell fragment.

8. electric connector according to claim 7, it is characterised in that：Each joint portion has the combination extended back Arm and the projection positioned at the combination arm sidepiece, the top surface of the raised self-bonding arm or bottom surface are along the outside projection shape of short transverse Into, with pedestal interference engagement.

9. electric connector according to claim 7, it is characterised in that：It is provided with the substrate some along short transverse general Its perforation run through, the perforation is set close to the front end of substrate, and is corresponded with the interior shell fragment that supports, and in height side Upwards, in described shell fragment is supported to align with perforation with the contact zone of butt connector.

10. the electric connector according to any one in claim 7 to 9, it is characterised in that：In a lateral direction, it is described Shell fragment is inside supported to support shell fragment with outer and be arranged alternately, it is described in support shell fragment and reversely bend extension, institute from the rear end of the substrate The bearing of trend that shell fragment is supported in stating is opposite with the outer bearing of trend for supporting shell fragment.