CN205016739U

CN205016739U - Electric connector

Info

Publication number: CN205016739U
Application number: CN201520717437.7U
Authority: CN
Inventors: 许信鸿; 林建成; 包中南
Original assignee: Chief Land Electronic Co Ltd
Current assignee: Chief Land Electronic Co Ltd
Priority date: 2015-09-16
Filing date: 2015-09-16
Publication date: 2016-02-03
Anticipated expiration: 2025-09-16

Abstract

The utility model provides an electric connector, includes insulator, set up in first and the 2nd conductive terminal of insulator's several, interior earth lug, and external ground piece. The three rows is roughly lined up to above -mentioned linkage segment first and the 2nd conductive terminal, wherein two couples of first outside signal terminal's of a conductive terminal connection period number in first row, the 2nd conductive terminal's wherein two couples of second outside signal terminal's connection period number in third row. Vertical shielding piece of interior earth lug lies in between above -mentioned first row and the third row to one of them of this two pairs of seconds outside signal terminal was to second outside signal terminal's linkage segment via vertical shielding piece and rather than adjacent should shielding first outside signal terminal's the at least part of linkage segment production. Provide above -mentioned electric connector to can improve at present with disappearance that electric connector probably produced effectively.

Description

Electric connector

Technical field

The utility model is relevant a kind of electric connector, and relates to a kind of electric connector being suitable for the positive and negative grafting of corresponding connector especially.

Background technology

Traditional development along with computer and interface equipment industry, USB (UniversalSerialBus, USB) has become one of the communication of computer and interface equipment and the important interface of transfer of data.Especially along with the trend of electronic installation transmitting high speed, the high speed of electric connector is more caused.For taking into account the high speed demand of electric connector simultaneously, cause more easily producing high-frequency signal interference and electromagnetic interference between the conducting terminal of electric connector and between the electric connector of grafting mutually, and then the high-frequency transmission performance affected between electric connector or high-speed transfer performance, thus the normal work of the electronic building brick (such as mobile phone, laptop computer, flat computer, desktop PC, Digital Television etc.) being coupled to electric connector may be affected.

Therefore, how to design a kind of shielding structure of electric connector, make it can take into account the high speed demand of electric connector simultaneously, and reduce because of high speed institute produce high-frequency signal interference and electromagnetic interference become one of important topic of industry research.

So can improving of the above-mentioned disappearance of the utility model people thoughts is that spy concentrates on studies and coordinates the utilization of scientific principle, finally propose a kind of reasonable in design and effectively improve the utility model of above-mentioned disappearance.

Utility model content

The utility model embodiment is to provide a kind of electric connector, and it can improve the issuable disappearance of existing electric connector effectively.

One side of the present utility model provides a kind of electric connector, it is characterized in that, comprising: an insulating body, its hyoplastron having a base portion and extend from described base portion; Wherein, the outer surface of described insulating body includes a first surface in opposition side and a second surface and the two sides between described first surface and described second surface, and the range direction of described two sides is defined as a Width; Several first conducting terminal, it is arranged at described insulating body and respectively has one first linkage section, and several described first linkage section lines up a first row and a secondary series respectively; Described several first conducting terminal includes a pair first inboard signal terminals and two to the first outboard signal terminal, and described two are positioned at described first row to the first linkage section of the first outboard signal terminal; Several second conducting terminal, it is arranged at described insulating body and respectively has one second linkage section, and several described second linkage section lines up one the 3rd row; Wherein, the part of each first conducting terminal along a thickness direction respectively with the part of second conducting terminal in described several second conducting terminal in opposite directions; Described several second conducting terminal includes a pair second inboard signal terminals and two to the second outboard signal terminal, and described two are respectively adjacent in described two the first linkage sections to the first outboard signal terminal to the second linkage section of the second outboard signal terminal; Ground strip in one, has: a plate body, and it is embedded in described insulating body; On described thickness direction, by described plate body separate each first conducting terminal part and the part of described second conducting terminal in opposite directions; And at least one longitudinal direction shields sheet, it extends from described plate body bending and formed, described at least one longitudinally shielding sheet is between described first row and the described 3rd arranges, and described two to the second linkage section of a pair second outboard signal terminals in the second outboard signal terminal, via described at least one longitudinally shielding sheet, the first linkage section of the described a pair first outboard signal terminals adjacent with the second linkage section of described a pair second outboard signal terminals produces and at least locally covers; On described Width, the width of described at least one longitudinally shielding sheet is not less than the width distance of the first linkage section outer rim of its adjacent described a pair first outboard signal terminals or is not less than the width distance of the second linkage section outer rim of its adjacent described a pair second outboard signal terminals; And an external ground part, it is covered in the position of described base portion and the described hyoplastron of contiguous described base portion.

Wherein, the longitudinal direction shielding sheet quantity of described interior ground strip is further defined to two, and described two to the second linkage section of the second outboard signal terminal respectively via described two longitudinal shielding sheets and to produce the first linkage section of the first outboard signal terminal at least locally cover with described two.

Wherein, away from one end of arbitrary longitudinally shielding sheet of described plate body, arbitrary second linkage section is not more than relative to the length on described thickness direction along described thickness direction relative to the distance at the position of being separated by described plate body of arbitrary second conducting terminal.

Wherein, described first row, described secondary series and described 3rd row are parallel to each other, and described secondary series is between described first row and the described 3rd arrange, first linkage section of described a pair first inboard signal terminals is positioned on described secondary series, and described two longitudinally shielding sheets to be arranged on described secondary series and lay respectively at the first linkage section of described a pair first inboard signal terminals contrary two outside.

Wherein, described insulating body includes one first glue core and one second glue core, the position of being separated by described plate body of described several first conducting terminal and the plate body of described interior ground strip are embedded in described first glue core, described several second conducting terminal be embedded in described second glue core by the position that described plate body is separated, and described external ground part clamping described first glue core and described second glue core.

Wherein, each first conducting terminal has one first free end away from its first linkage section, each second conducting terminal has forniciform second free end away from its second linkage section, the first free end of each first conducting terminal and its towards the second conducting terminal the second free end between the position of plate body of described interior ground strip be penetration state, and several described second free end local is placed in the plate body position of described penetration state.

Wherein, described interior ground strip have from the bending of described plate body extend form two pins, and described two pins to be arranged on described first row and to lay respectively at described two to outside contrary two of the first linkage section of the first outboard signal terminal.

Wherein, described interior ground strip has and extends two outstanding protrusion tabs respectively from the two opposite sides edge of described plate body; The position of the described hyoplastron of the contiguous described base portion of described external ground part clamping and be buckled in two protrusion tabs of described interior ground strip.

Wherein, described first and second conducting terminal several includes at least one earth terminal; Described external ground part is provided with at least one connecting portion, and described at least one connecting portion is connected to described at least one earth terminal.

Wherein, described two to the first outboard signal terminal laid respectively at by the position that described plate body is separated the position of being separated by described plate body of described a pair first inboard signal terminals contrary two outside; Described external ground part includes: at least one first lamellar body, and it is covered in the first surface of the described hyoplastron of the part of described base portion and contiguous described base portion; And at least one first transverse shielding sheet, it is installed on described base portion and is electrically connected at described at least one first lamellar body, described at least one first transverse shielding sheet is positioned at described two positions of being separated by described plate body to the first outboard signal terminal, along described thickness direction extend past the inner side in region; And the position of being separated by described plate body of described a pair first inboard signal terminals, along described thickness direction extend past region contrary two outside in one outside.

Wherein, being covered in the position of described at least one first lamellar body of the first surface of described base portion, is one first distance along described thickness direction relative to the distance definition at the position of being separated by described plate body of arbitrary first conducting terminal; First transverse shielding sheet quantity of described external ground part is two, described two first transverse shielding sheets are installed on described base portion and are electrically connected at described at least one first lamellar body, described two first transverse shielding sheets be positioned at described two to the position of being separated by described plate body of the first outboard signal terminal along described thickness direction extend past the inner side in region, and the described two first transverse shielding sheets position of being separated by described plate body that lays respectively at described a pair first inboard signal terminals along described thickness direction extend past region contrary two outside; One end of arbitrary first transverse shielding sheet of the plate body of contiguous described interior ground strip be a second distance along described thickness direction relative to the distance definition of described at least one first lamellar body, and described second distance is not less than described first distance of 1/3.

Wherein, described second distance is less than described first distance and is greater than described first distance of 2/3.

Wherein, the definition of described insulating body has a length direction, and described electric connector carries out grafting with for a corresponding connector along described length direction; Wherein, the width of arbitrary first transverse shielding sheet on described length direction, be greater than 1/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion, and be less than 2/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion.

According to another aspect of the present utility model, provide a kind of electric connector, it is characterized in that, comprising: an insulating body, its hyoplastron that there is a base portion and extend from described base portion; Wherein, the outer surface of described insulating body includes a first surface in opposition side and a second surface and the two sides between described first surface and described second surface, and the range direction of described two sides is defined as a Width; Several first conducting terminal, it is arranged at described insulating body and respectively has one first linkage section, and several described first linkage section lines up a first row and a secondary series respectively; Described several first conducting terminal includes a pair first inboard signal terminals and two to the first outboard signal terminal, and described two are positioned at described first row to the first linkage section of the first outboard signal terminal; Several second conducting terminal, it is arranged at described insulating body and respectively has one second linkage section, and several described second linkage section lines up one the 3rd row; Wherein, the part of each first conducting terminal along a thickness direction respectively with the part of second conducting terminal in described several second conducting terminal in opposite directions; Described several second conducting terminal includes a pair second inboard signal terminals and two to the second outboard signal terminal, and described two are respectively adjacent in described two the first linkage sections to the first outboard signal terminal to the second linkage section of the second outboard signal terminal; Ground strip in one, has: a plate body, and it is embedded in described insulating body, on described thickness direction, by described plate body separate each first conducting terminal part and the part of described second conducting terminal in opposite directions; Two protrusion tabs, extend outstanding formation respectively from the two opposite sides edge of described plate body; And at least one longitudinal direction shields sheet, it extends from described plate body bending and formed, described at least one longitudinally shielding sheet is between described first row and the described 3rd arranges, and described two to the second linkage section of a pair second outboard signal terminals in the second outboard signal terminal, via described at least one longitudinally shielding sheet, the first linkage section of the described a pair first outboard signal terminals adjacent with the second linkage section of described a pair second outboard signal terminals produces and at least locally covers; On described Width, the width of described at least one longitudinally shielding sheet is not less than the width distance of the first linkage section outer rim of its adjacent described a pair first outboard signal terminals or is not less than the width distance of the second linkage section outer rim of its adjacent described a pair second outboard signal terminals; And

One external ground part, it is covered in the position of described base portion and the described hyoplastron of contiguous described base portion, and the position of the described hyoplastron of the contiguous described base portion of described external ground part clamping and be buckled in two protrusion tabs of described interior ground strip.

Wherein, being covered in the position of described at least one first lamellar body of the first surface of described base portion, is one first distance along described thickness direction relative to the distance definition at the position of being separated by described plate body of arbitrary first conducting terminal; One end of described at least one first transverse shielding sheet of the plate body of contiguous described interior ground strip be a second distance along described thickness direction relative to the distance definition of described at least one first lamellar body, and described second distance is not less than described first distance of 1/3.

Wherein, the definition of described insulating body has a length direction, and described electric connector carries out grafting with for a corresponding connector along described length direction; Wherein, the width of described at least one first transverse shielding sheet on described length direction is greater than 1/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion, and is less than 2/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion.

In sum, the electric connector that the utility model embodiment provides, the longitudinal direction shielding sheet that in it, earthing member is provided with, be in the longitudinal direction roughly a pair second outboard signal terminals the second linkage section and adjacent this to the first linkage section of the first outboard signal terminal between, use this that make the second linkage section of wherein a pair second outboard signal terminals of this two couple second outboard signal terminal adjacent with its institute via described longitudinally shielding sheet to produce the first linkage section of the first outboard signal terminal and at least locally cover, and then reduce the crosstalk of differential signal.

For feature and the technology contents of the utility model further can be understood, refer to following about detailed description of the present utility model and accompanying drawing, but institute's accompanying drawings only provide reference and explanation use, is not used for doing any restriction to interest field of the present utility model.

Accompanying drawing explanation

Figure 1A is the schematic perspective view of the utility model electric connector.

Figure 1B is the decomposing schematic representation of Figure 1A.

Fig. 2 A is the schematic perspective view at another visual angle of Figure 1A.

Fig. 2 B is the decomposing schematic representation of Fig. 2 A.

Fig. 2 C is the cross-sectional schematic of Fig. 2 A along X1-X1 hatching line.

Fig. 3 is the insulating body schematic perspective view of the utility model electric connector.

Fig. 4 is the schematic perspective view at another visual angle of Fig. 3.

Fig. 5 A be Figure 1A shownschematically electric connector omit the schematic perspective view after first and second metal shell.

Fig. 5 B is first and second conducting terminal of the utility model electric connector and the schematic perspective view of interior ground strip.

Fig. 5 C is the cross-sectional schematic of Fig. 5 A along X2-X2 hatching line.

Fig. 5 D is the cross-sectional schematic of Fig. 5 A along Z1-Z1 hatching line.

Fig. 6 A be Fig. 2 A shownschematically electric connector omit the schematic perspective view after first and second metal shell.

Fig. 6 B is first and second conducting terminal of the utility model electric connector and the schematic perspective view of interior ground strip.

Fig. 6 C is the cross-sectional schematic of Fig. 6 A along Y1-Y1 hatching line.

Fig. 6 D is the close-up schematic view of the A block of Fig. 6 C.

Fig. 6 E is the cross-sectional schematic of Fig. 6 A along Y2-Y2 hatching line.

Fig. 7 A is that within the utility model electric connector, another of ground strip and external ground part implements aspect schematic diagram.

Fig. 7 B is the perspective cross-sectional schematic diagram at another visual angle of Fig. 7 A.

Fig. 8 is the simulation test figure () of the utility model electric connector compared to existing connector.

Fig. 9 is the simulation test figure (two) of the utility model electric connector compared to existing connector.

Figure 10 is the simulation test figure (three) of the utility model electric connector compared to existing connector.

Figure 11 is the simulation test figure (four) of the utility model electric connector compared to existing connector.

Embodiment

Refer to Figure 1A to Figure 11, it is an embodiment of the present utility model, what need first illustrate is, the correlated measure that the present embodiment correspondence pattern is mentioned and external form, only in order to specifically describe execution mode of the present utility model, so that understand its content, and be not used to limit to interest field of the present utility model.

As shown in Figure 1A and Fig. 2 A, the present embodiment is a kind of electric connector 100, and it is in order to be fixedly welded on a circuit board (scheming slightly) and to be suitable for for corresponding connector (figure slightly) enforcement grafting forward or backwards.The relative position of above-mentioned electric connector 100 and circuit board, it can be that electric connector 100 is installed on the plate face of circuit board, or electric connector 100 is installed on (that is, heavy plate type electric connector) in the breach of circuit board.Change an angle, the terminal in electric connector 100 can be linearity or right angle bending, is not limited at this.And the electric connector 100 of the present embodiment does an explanation for a kind of USB socket electric connector.

Wherein, as shown in fig. ib and fig. 2b, described electric connector 100 comprise an insulating body 1, be arranged at several first conducting terminals 2 of insulating body 1 and several second conducting terminal 3, local be embedded in insulating body 1 one in ground strip 4, be coated on insulating body 1 an external ground part 5, be sheathed on one first metal shell 6 of insulating body 1 and be sheathed on one second metal shell 7 of the first metal shell 6.Below each component structure respectively with regard to above-mentioned electric connector 100 is done an explanation, and introduce the annexation between each assembly in good time.

As shown in Figure 3 and Figure 4, when described insulating body 1 is considered as single component, the outer surface of above-mentioned insulating body 1 includes a first surface 11 of opposition side and a second surface 12 (as insulating body 1 bottom surface in Fig. 3 and end face) and the two sides between above-mentioned first surface 11 and second surface 12 13 (as insulating body 1 left surface in Fig. 3 and right flank).Wherein, insulating body 1 definition has an orthogonal thickness direction T (being equivalent to the range direction between described first surface 11 and second surface 12), a Width W (being equivalent to the range direction between described two sides 13) and a length direction L (being equivalent to the grafting direction of electric connector 100).In other words, first surface 11 and the second surface 12 of described insulating body 1 refer to insulating body 1 outer surface portions perpendicular to thickness direction T in the present embodiment.

Moreover described insulating body 1 has a base portion 14 and the hyoplastron 15 from base portion 14 L extension along its length, and above-mentioned hyoplastron 15 has rear section 152 and the front section 151 away from base portion 14 being adjacent to base portion 14.Wherein, described base portion 14 thickness is in the thickness directiont greater than hyoplastron 15 section 152 thickness in the thickness directiont afterwards, and after hyoplastron 15, section 152 thickness is in the thickness directiont greater than front section 151 thickness in the thickness directiont.

Described base portion 14 is formed with two first slots 1411 from its first surface 11 position through-thickness T is recessed, and is formed with two second slots 1421 from its second surface 12 position through-thickness T is recessed.Cross sectional shape perpendicular to first slot 1411 of thickness direction T and the second slot 1421 is each roughly rectangular, and the long axis direction of above-mentioned each cross sectional shape is roughly parallel to length direction L.The rear section 152 of described hyoplastron 15 is each in its two sides 13 place is recessedly formed with a storage tank 1523.

More than be the correlation technique feature description that described insulating body 1 is considered as single component, change an angle, as shown in fig. ib and fig. 2b, the insulating body 1 that the present embodiment provides is the structure of two-piece type, and it includes one first glue core 1a and the one second glue core 1b of mutual snapping.Wherein, the first glue core 1a includes the front section 151 of the rear section 1521 of one first base portion 141,1 first and this hyoplastron 15, and the second glue core 1b includes one second base portion 142 and one second rear section 1522.The composite construction of above-mentioned first base portion 141 and the second base portion 142 is described base portion 14, and after above-mentioned first, the composite construction of section 1521 and the second rear section 1522 is the rear section 152 of described hyoplastron 15.But though the insulating body 1 in the present embodiment is for two-piece construction, the utility model is not got rid of insulating body 1 and is designed to integrally formed one-piece construction.

For ease of understanding the present embodiment, the insulating body 1 of two-piece type is mainly considered as single component by the following description content, and introduces the annexation of the first glue core 1a and the second glue core 1b relative to other assembly in good time.

As fig. 5 a and fig. 5b, described each first conducting terminal 2 there is one first extension 21, from first one end, extension 21 along its length L extend one first contact-segment 22 and from first extension 21 other end vertically towards lower bending extend one first linkage section 23.Wherein, each first contact-segment 22 has one first free end 221 away from its first extension 21, and the first free end 221 is in bending compared to other position of the first contact-segment 22.

Moreover, those first contact-segments 22 described are positioned at front section 151 first surface 11 of hyoplastron 15 and broad ways W forms a line, and it is inner that the free end 221 of each first contact-segment 22 is embedded at front section 151, and all the other positions through-thickness T of each first contact-segment 22 about has 2/3 thickness to protrude out the first surface 11 (as Fig. 5 C) of front section 151.In the rear section 152 that those first extensions 21 described are embedded in hyoplastron 15 and base portion 14 and broad ways W form a line.Described each first linkage section 23 local passes insulating body 1 base portion 14, and those first linkage sections 23 line up the first row R1 and a secondary series R2 that are parallel to each other respectively, and first row R1 is compared with the front section 151 of secondary series R2 near hyoplastron 15.

When changing the function be endowed by each first conducting terminal 2, those first conducting terminals 2 include a pair first inboard signal terminal 2a, two to the first outboard signal terminal 2b, two first earth terminal 2c, two first power supply terminal 2d and two first inspection terminal 2e.Wherein, the putting in order of above-mentioned first conducting terminal 2 broad ways W (as in Fig. 5 B from left to right) be: the first earth terminal 2c, a pair first outboard signal terminal 2b, the first power supply terminal 2d, the first inspection terminal 2e, a pair first inboard signal terminal 2a, the first inspection terminal 2e, the first power supply terminal 2d, another is to the first outboard signal terminal 2b and the first earth terminal 2c.

In more detail, first linkage section 23 of this two couple first outboard signal terminal 2b and first linkage section 23 of this two first inspection terminal 2e are positioned at above-mentioned first row R1, and this is positioned at above-mentioned secondary series R2 to the first inboard signal terminal 2a, this two first earth terminal 2c and this two first power supply terminal 2d.

As shown in Figure 6 A and 6 B, described each second conducting terminal 3 there is one second extension 31, from second one end, extension 31 along its length L extend one second contact-segment 32 and from second extension 31 other end vertically towards lower bending extend one second linkage section 33.Wherein, each second contact-segment 32 has one second free end 321 away from its second extension 31, and the second free end 321 is in vertical curve shape compared to other position of the second contact-segment 32.

Moreover, those second contact-segments 32 described are positioned at front section 151 second surface 12 of hyoplastron 15 and broad ways W forms a line, and free end 321 interference engagement of each second contact-segment 32 is in front section 151 inside (such as: free end 321 is inserted in front section 151 in reversed acanthoid), and all the other positions through-thickness T of each second contact-segment 32 about has 2/3 thickness to protrude out the second surface 12 (as Fig. 5 C) of front section 151.In the rear section 152 that those second extensions 31 described are embedded in hyoplastron 15 and base portion 14 and broad ways W form a line.As Fig. 5 A and Fig. 5 B, described each second linkage section 33 at least local is exposed to outside insulating body 1 base portion 14, and those second linkage sections 33 are lined up one the 3rd of parallel above-mentioned first row R1 and secondary series R2 and arranged R3.Wherein, described 3rd row R3 is compared with the front section 151 of secondary series R2 away from hyoplastron 15, and that is, described secondary series R2 is roughly between first row R1 and the 3rd row R3.

Should be noted that, described second free end 321 is vertical curve shape compared to other position of the second contact-segment 32, and this tectonic sieving has the effect of adjustment impedance.For the clear effect presenting above-mentioned adjustment impedance, the electric connector 100 of the present embodiment and the electric connector (figure slightly) that is not formed with described bending second free end 321 are carried out simulation test, and its final simulation test result as shown in Figure 8.Wherein, curve C 1 represents the simulation results of the present embodiment electric connector 100, and curve C 2 represents the electric connector simulation test result not being formed with bending second free end 321.Can know thus and learn, the present embodiment electric connector 100 through being provided with bending second free end 321, to enable its impedance more close to 85 ohm required by the utility model electric connector for socket.

When changing the function be endowed by each second conducting terminal 3, as Fig. 6 B, those second conducting terminals 3 include a pair second inboard signal terminal 3a, two to the second outboard signal terminal 3b, two second earth terminal 3c, two second source terminal 3d and two second inspection terminal 3e.Wherein, the putting in order of above-mentioned second conducting terminal 3 broad ways W (as in Fig. 6 B from left to right) be: the second earth terminal 3c, a pair second outboard signal terminal 3b, second source terminal 3d, the second inspection terminal 3e, a pair second inboard signal terminal 3a, the second inspection terminal 3e, second source terminal 3d, another is to the second outboard signal terminal 3b and the second earth terminal 3c.

Separately, as Fig. 5 C, those first contact-segments 22 through-thickness T and respectively with those second contact-segments 32 in opposite directions, and the spread configuration mode of described first contact-segment 22 in hyoplastron 15 front section 151 is approximately identical to the spread configuration mode of described second contact-segment 32 in hyoplastron 15 front section 151, use and can plug electric connector 100 in the present embodiment with forward for corresponding electric connector (as: USB plug connector), or corresponding electric connector is with the electric connector 100 of the counter plugging of contrary with above-mentioned forward 180 degree in the present embodiment.Moreover, as Fig. 5 B, described two are respectively adjacent in above-mentioned two the first linkage sections 23 to the first outboard signal terminal 2b to second linkage section 33 of the second outboard signal terminal 3b, thus make second linkage section 33 of often couple of second outboard signal terminal 3b and adjacent this may there is crosstalk between first linkage section 23 of the first outboard signal terminal 2b when Signal transmissions, therefore need to be further considered its screening effect (this will in then tell bright middle introduction).

As Figure 1B, described interior ground strip 4 have a plate body 41, two protrusion tabs 42 extended respectively from the substantial middle place of plate body 41 two opposite sides edge, from plate body 41 end edge vertically towards lower bending extend two longitudinally shielding sheets 43 and from the rear end of plate body 41 two opposite sides edge respectively vertically towards two pins 44 that lower bending extends.

Wherein, as Fig. 5 B, Fig. 5 C and Fig. 6 B, described plate body 41 is embedded in insulating body 1 and roughly between second extension 31 and the second contact-segment 32 of the first extension 21 of those the first conducting terminals 2 and the first contact-segment 22 and those the second conducting terminals 3, uses and the first extension 21 of those the first conducting terminals 2 and the first contact-segment 22 are roughly separated with the first extension 21 of those the second conducting terminals 3 and the first contact-segment 22 respectively via plate body 41.Moreover, in the first free end 221 of each first contact-segment 22 and its towards the second contact-segment 32 the second free end 321 between in ground strip 4 plate body 41 position be the perforate 411 of penetration state, and those second free ends 321 local are placed in the penetration state perforate 411 of above-mentioned plate body 41.

Should be noted that, described plate body 41 is provided with the perforate 411 of penetration state, and this tectonic sieving has the effect of adjustment impedance.For the clear effect presenting above-mentioned adjustment impedance, the electric connector 100 of the present embodiment and the electric connector (figure slightly) that is not formed with described penetration state perforate 411 are carried out simulation test, and its final simulation test result as shown in Figure 9.Wherein, curve C 3 represents the simulation results of the present embodiment electric connector 100, and curve C 4 represents the electric connector simulation test result not being formed with penetration state perforate 411.Can know thus and learn, the present embodiment electric connector 100 through the perforate 411 being provided with penetration state, to enable its impedance more close to 85 ohm required by the utility model electric connector for socket.

As shown in Figure 6 C and 6 D shown in FIG., described two protrusion tabs 42 are that storage tank 1523 bottom land after plate body 41 two opposite sides edge extends respectively and gives prominence to hyoplastron 15 on section 152 two sides 13 formed, say further, each protrusion tab 42 extends and double flat and being formed upward from plate body 41 one, to make the outer surface of each protrusion tab 42 away from plate body 41 be arc-shaped, and then each protrusion tab 42 is made to have preferred guiding snapping effect.

As shown in Figure 5 D, described two longitudinally shielding sheets 43 be embedded within insulating body 1 and position and arrange between R3 at first row R1 and the 3rd, and above-mentioned two longitudinally shielding sheets 43 to be arranged on secondary series R2 and to lay respectively at this to outside contrary two of first linkage section 23 of the first inboard signal terminal 2a.In more detail, described longitudinally shielding sheet 43 is positions between two adjacent the first earth terminal 2c and first linkage section 23 of the first power supply terminal 2d, and arbitrary longitudinally shielding sheet 43 be in the length directionl roughly a pair second outboard signal terminal 3b the second linkage section 33 and adjacent this to first linkage section 23 of the first outboard signal terminal 2b between, use and make second linkage section 33 of this two couple second outboard signal terminal 3b respectively via described two longitudinal shielding sheets 43 and produce at least local with first linkage section 23 of this two couple first outboard signal terminal 2b and cover, and then reduce the crosstalk of differential signal.

Say further, as Fig. 5 C, as long as described arbitrary longitudinally shielding sheet 43 can cover this corresponding to it to local first linkage section 23 of the first outboard signal terminal 2b at length direction L, this that can make to be positioned at this longitudinal direction shielding sheet 43 two opposite sides produces the effect of electrical shielding to second linkage section 33 of the second outboard signal terminal 3b and this to first linkage section 23 of the first outboard signal terminal 2b.And in the present embodiment, arbitrary longitudinally shielding sheet 43 length L in the thickness directiont ₄₃be roughly arbitrary second linkage section 33 length L in the thickness directiont ₃₃60%.

In addition, as follows about arbitrary longitudinally shielding sheet 43 length limit general description in the thickness directiont: away from one end (longitudinal direction shielding sheet 43 bottom as in Fig. 5 C) of arbitrary longitudinally shielding sheet 43 of plate body 41, its through-thickness T and relative to the distance D of the second adjacent extension 31 ₄₃be not more than arbitrary second linkage section 33 relative to the length L on thickness direction T ₃₃.Wherein, when consider electric connector 100 circuit on circuit board (figure slightly) surface of installing time, touch the circuit in circuit board surface (being namely equivalent to the plane at the second place, linkage section 33 bottom in Fig. 5 C) for avoiding longitudinally shielding sheet 43.Therefore, the bottom of arbitrary longitudinally shielding sheet 43 preferably with its circuit board surface installed leave the gap of 2 ~ 3 millimeters, that is, above-mentioned distance D ₄₃preferably be less than length L ₃₃about 2 ~ 3 millimeters.

Moreover, as Fig. 5 D, the width W of described arbitrary longitudinally shielding sheet 43 on Width W ₄₃be not less than (as: being greater than) its adjacent this to the width distance D of the second outboard signal terminal 3b second linkage section 33 outer rim in the present embodiment _3b, use and make longitudinally shielding sheet 43 can have preferred screening effect.But, in the embodiment that another does not illustrate, the width W of described arbitrary longitudinally shielding sheet 43 on Width W ₄₃can also be greater than its adjacent this to the width distance of the first outboard signal terminal 2b first linkage section 23 outer rim, do not limited at this.In gross, the width W of the arbitrary longitudinally shielding sheet 43 of linkage section on Width W ₄₃, it is not less than those to the minimum widith distance among the width distance of linkage section 23,33 outer rim of outside signal terminal 2b, 3b.

Accordingly, for the clear effect presenting described two longitudinal shielding sheets 43 and can produce, the electric connector 100 of the present embodiment and the electric connectors (figure slightly) that are not formed with described two longitudinal shielding sheets 43 are carried out simulation test, its test mode inputs a detection signal from the first outboard signal terminal 2b, and measure the second adjacent outboard signal terminal 3b, use the degree learning that the second outboard signal terminal 3b is disturbed.

As shown in Figure 10, wherein, curve C 5 represents the simulation results of the present embodiment electric connector 100 to final simulation test result, and curve C 6 represents and is not formed with the electric connector simulation test result that described two longitudinally shield sheet 43.Can know thus and learn, the present embodiment electric connector 100 longitudinally shields sheet 43 through being provided with two, really effectively can reduce the crosstalk of differential signal at length direction L.

In addition, above-mentioned interior ground strip 4 be provided with two longitudinally shielding sheets 43 be example, but also can adjust the quantity of longitudinally shielding sheet 43 according to different demand.For example, interior ground strip 4 can also be only be provided with single longitudinally shielding sheet 43.

As Fig. 5 A and Fig. 5 B, described each pin 44 local passes base portion 14 first surface 11 of insulating body 1, and this two pin 44 to be arranged on first row R1 and lay respectively at first linkage section 23 of this two couple first outboard signal terminal 2b contrary two outside.In more detail, described two pins 44 be the first linkage section 23 laying respectively at above-mentioned two first earth terminal 2c contrary two outside.The length of each pin 44 on thickness direction T is roughly equal to the length of arbitrary first linkage section 23 on thickness direction T, and the width of each pin 44 on length direction L is greater than the thickness of arbitrary first linkage section 23 on length direction L, use be shielded in first row R1 through above-mentioned two pins 44 the first linkage section 23 outside (as Fig. 5 D).

As shown in Fig. 2 B, Fig. 5 A and Fig. 6 A, described external ground part 5 is coated on base portion 14 section 152 rear with hyoplastron 15 of insulating body 1, and external ground part 5 includes and mutually group cannot connect one first ground strip 51 and one second ground strip 52 of (as: fastening) in the present embodiment.Wherein, above-mentioned first ground strip 51 is roughly the same with the present embodiment that is configured in of the second ground strip 52, but when practical application, described first ground strip 51 and the second ground strip 52 can be structures different each other, are not limited at this.

As Fig. 2 B, described first ground strip 51 includes one first lamellar body 511 and extends from above-mentioned first lamellar body 511 two buckling parts 512, two elastic arm 513 and the two first transverse shielding sheets 514 formed.Wherein, as Fig. 5 A, first lamellar body 511 has one first covering part 5111 and one first shielding part 5112, above-mentioned first covering part 5111 is elongated and is covered on the first surface 11 of the rear section 152 of hyoplastron 15, and the first shielding part 5112 extends from the long lateral margin bending of the first covering part 5111 and is covered in the first surface 11 of base portion 14, and the first shielding part 5112 position covering base portion 14 first surface 11 be roughly positioned at described two first slots 1411 contrary two outside.Moreover, as Fig. 6 E, above-mentioned the first shielding part 5112 being covered in base portion 14 first surface 11, its through-thickness T and be one first distance D1 relative to the distance definition of the first extension 21 of the first adjacent conducting terminal 2.

In more detail, as Fig. 2 B and Fig. 2 C, described first lamellar body 511 is provided with two connecting portions 5113 in the first covering part 5111, and above-mentioned two connecting portions 5113 penetrate the rear section 152 of hyoplastron 15 and are connected to respectively on first extension 21 of two first earth terminal 2c.And described connecting portion 5113 is the projection rushed from outside to inside from the first covering part 5111 in the present embodiment is example, it is mainly for abutting by connecting portion 5113 and the first earth terminal 2c, and reach the effect of serial connection common ground, but the structure of this connecting portion 5113 and quantity is not as limit.

As Fig. 2 B, described two buckling partss 512 formed vertically towards upper bending extension from the contrary two short lateral margins of the first covering part 5111 respectively, and the substantial middle place of each buckling parts 512 is formed with a perforation 5121.Described two buckling partss 512 are arranged in two storage tanks 1523 of the rear section 152 of hyoplastron 15 respectively, and two protrusion tabs 42 of above-mentioned interior ground strip 4 are arranged in the perforation 5121 (as Fig. 6 C and Fig. 6 D) of this two buckling parts 512 respectively.

As Fig. 2 B and Fig. 5 A, described two elastic arms 513 extend from the bending of the long lateral margin two ends place of the first covering part 5111 respectively formed, above-mentioned two elastic arms 513 lay respectively at the first shielding part 5112 contrary two outside, and the end of each elastic arm 513 is separated with a distance mutually with the first surface 11 of base portion 14, that is the end of each elastic arm 513 can suffer oppression and flexibly swing towards base portion 14 first surface 11.

As Fig. 2 B and Fig. 6 E, described two first transverse shielding sheets 514 are vertically bend respectively from the first shielding part 5,112 two ora terminalis institutes being toward each other covered in base portion 14 first surface 11 to extend to form in the present embodiment, that is each first transverse shielding sheet 514 possesses with the first lamellar body 511 to be electrically connected with structural.And this two first transverse shielding sheet 514 penetrates and interference engagement (such as: the first transverse shielding sheet 514 end is reversed acanthoid and is inserted in the first slot 1411) in two first slots 1411 of base portion 14 respectively.

With regard to the position of the first transverse shielding sheet 514 relative to the first conducting terminal 2, as illustrated in fig. 6e.Described two first transverse shielding sheets 514 be positioned at this two couple first outboard signal terminal 2b first extension 21 through-thickness T extend past the inner side in region; And described two first transverse shielding sheets 514 lay respectively at this to the first inboard signal terminal 2a first extension 21 through-thickness T extend past region contrary two outside.And in the present embodiment, described two first transverse shielding sheets 514 comparatively near this first extension 21 to the first inboard signal terminal 2a, and further from first extension 21 of this two couple first outboard signal terminal 2b.

Accordingly, three blocks can be roughly separated into through above-mentioned two first transverse shielding sheets 514 between the plate body 41 of described interior ground strip 4 and the first lamellar body 511 first shielding part 5112 of the first ground strip 51, and the block being positioned at central authorities is equipped with this to the first inboard signal terminal 2a first extension 21, and the block being positioned at both sides is equipped with this two couple first outboard signal terminal 2b first extension 21 respectively, use and make this in Width W on produce shielding action through the first transverse shielding sheet 514 with this two couple first outboard signal terminal 2b first extension 21 to the first inboard signal terminal 2a first extension 21, and then reach the effect reducing differential signal crosstalk.

Furthermore, for reaching preferred screening effect, the numerical value that the length of described first transverse shielding sheet 514 and width are applicable to is roughly as follows: one end (the first transverse shielding sheet 514 end as in Fig. 6 E) of arbitrary first transverse shielding sheet 514 of ground strip 4 plate body 41 in contiguous, its through-thickness T and be a second distance D2 relative to the distance definition of the first lamellar body 511 first shielding part 5112, and this second distance D2 is not less than the first distance D1 of 1/3.Preferably, described second distance D2 is less than the first distance D1 and is greater than the first distance D1 of 2/3, and described second distance D2 is roughly the first distance D1 of 3/4 in the present embodiment.Should be noted that, as described second distance D ₂when being greater than the first distance D1, then the first transverse shielding sheet 514 will be arranged between two adjacent the first extensions 21, this kind of position arrangement easily makes the first transverse shielding sheet 514 be connected to the first extension 21, and then causes the first conducting terminal 2 corresponding to the first extension 21 abutted against to operate.Therefore, described second distance D2 must be less than the first distance D1.

Moreover, as Figure 1B, the width W of arbitrary first transverse shielding sheet 514 on length direction L ₅₁₄, it is greater than the width W of the first lamellar body 511 first shielding part 5112 on length direction L covering base portion 14 first surface 11 ₅₁₁₂1/3, and be less than the width W of the first lamellar body 511 first shielding part 5112 on length direction L covering base portion 14 first surface 11 ₅₁₁₂2/3.And described width W ₅₁₄the width W of 1/2 is roughly in the present embodiment ₅₁₁₂.

Separately, though the first transverse shielding sheet 514 in the present embodiment is integrally connected in the first lamellar body 511, not as limit.For example (figure slightly), described first transverse shielding sheet can also be the independent component that non-self first body extends, only need when the first transverse shielding sheet be inserted in base portion the first slot, the first transverse shielding sheet and the first lamellar body are reached and are electrically connected.

In addition, above-mentioned first ground strip 51 is that to be provided with two the first transverse shielding sheets 514 be example, but also can adjust the quantity of the first transverse shielding sheet 514 according to different demand.For example, the first ground strip 51 can also be only be provided with single first transverse shielding sheet 514.

As Figure 1B, described second ground strip 52 includes one second lamellar body 521 and extends from above-mentioned second lamellar body 521 two buckling parts 522, two elastic arm 523 and the two second transverse shielding sheets 524 formed.Wherein, as Fig. 6 A, second lamellar body 521 has one second covering part 5211 and a secondary shielding portion 5212, above-mentioned second covering part 5211 is elongated and is covered on the second surface 12 of the rear section 152 of hyoplastron 15, and secondary shielding portion 5212 extends from the long lateral margin bending of the second covering part 5211 and is covered in the second surface 12 of base portion 14, and the position, secondary shielding portion 5212 covering base portion 14 second surface 12 be roughly positioned at described two second slots 1421 contrary two outside.Moreover, as Fig. 6 E, the above-mentioned secondary shielding portion 5212 being covered in base portion 14 second surface 12, its through-thickness T and be one the 3rd distance D3 relative to the distance definition of the second extension 31 of the second adjacent conducting terminal 3.

In more detail, as shown in Figure 1B and Fig. 2 C, described second lamellar body 521 is provided with two connecting portions 5213 in the second covering part 5211, and above-mentioned two connecting portions 5213 penetrate the rear section 152 of hyoplastron 15 and are connected to respectively on second extension 31 of two second earth terminal 3c.And described connecting portion 5213 is the projection rushed from outside to inside from the second covering part 5211 in the present embodiment is example, it is mainly for abutting by connecting portion 5213 and the second earth terminal 3c, and reach the effect of serial connection common ground, but the structure of connecting portion 5213 and quantity is not as limit.

As Figure 1B, described two buckling partss 522 formed vertically towards lower bending extension from the contrary two short lateral margins of the second covering part 5211 respectively, and the substantial middle place of each buckling parts 522 is formed with a perforation 5221.Described two buckling partss 522 are arranged in two storage tanks 1523 of the rear section 152 of hyoplastron 15 respectively, and two protrusion tabs 42 of above-mentioned interior ground strip 4 are arranged in the perforation 5221 (as Fig. 6 C and Fig. 6 D) of this two buckling parts 522 respectively.Say further, two buckling partss 522 of described second ground strip 52 are overlapped in two buckling partss 512 of the first ground strip 51 respectively, to form two groups of mutually overlapped buckling partss 512,522.And described two protrusion tabs 42 are arranged in the perforation 5121,5221 of these two groups mutually overlapped buckling partss 512,522 respectively.

As Figure 1B and Fig. 6 A, described two elastic arms 523 extend from the bending of the long lateral margin two ends place of the second covering part 5211 respectively formed, above-mentioned two elastic arms 523 lay respectively at secondary shielding portion 5212 contrary two outside, and the end of each elastic arm 523 is separated with a distance mutually with the second surface 12 of base portion 14, that is the end of each elastic arm 523 can suffer oppression and flexibly swing towards base portion 14 second surface 12.

As Figure 1B and Fig. 6 E, described two second transverse shielding sheets 524 are vertically bend respectively from the two ora terminalis institutes toward each other of secondary shielding portion 5212 being covered in base portion 14 second surface 12 to extend to form in the present embodiment, that is each second transverse shielding sheet 524 possesses with the second lamellar body 521 to be electrically connected with structural.And this two second transverse shielding sheet 524 penetrates and interference engagement (such as: the second transverse shielding sheet 524 end is reversed acanthoid and is inserted in the second slot 1421) in two second slots 1421 of base portion 14 respectively.

With regard to the position of the second transverse shielding sheet 524 relative to the second conducting terminal 3, as illustrated in fig. 6e.Described two second transverse shielding sheets 524 be positioned at this two couple second outboard signal terminal 3b second extension 31 through-thickness T extend past the inner side in region; And described two second transverse shielding sheets 524 lay respectively at this to the second inboard signal terminal 3a second extension 31 through-thickness T extend past region contrary two outside.And in the present embodiment, described two second transverse shielding sheets 524 comparatively near this second extension 31 to the second inboard signal terminal 3a, and further from second extension 31 of this two couple second outboard signal terminal 3b.Moreover, in the present embodiment, described two second transverse shielding sheet 524 through-thickness T and arranging in copline with above-mentioned two first transverse shielding sheets 514 respectively, but be not limited to this.

Accordingly, three blocks can be separated into through above-mentioned two second transverse shielding sheets 524 between the plate body 41 of described interior ground strip 4 and the second lamellar body 521 of the second ground strip 52, and the block being positioned at central authorities is equipped with this to the second inboard signal terminal 3a second extension 31, and the block being positioned at both sides is equipped with this two couple second outboard signal terminal 3b second extension 31 respectively, use and make this in Width W on produce shielding action through the second transverse shielding sheet 524 with this two couple second outboard signal terminal 3b second extension 31 to the second inboard signal terminal 3a second extension 31, and then reach the effect reducing differential signal crosstalk.

Furthermore, for reaching preferred screening effect, the numerical value that the length of described second transverse shielding sheet 524 and width are applicable to is roughly as follows: one end (the second transverse shielding sheet 524 end as in Fig. 6 E) of arbitrary second transverse shielding sheet 524 of ground strip 4 plate body 41 in contiguous, its through-thickness T and be one the 4th distance D4 relative to the distance definition of the second lamellar body 521, and the 4th distance D4 is not less than the 3rd distance D3 of 1/3.Preferably, described 4th distance D4 is less than the 3rd distance D3 and is greater than the 3rd distance D3 of 2/3, and described 4th distance D4 is roughly the 3rd distance D3 of 3/4 in the present embodiment.Should be noted that, when described 4th distance D4 is greater than the 3rd distance D3, then the second transverse shielding sheet 524 will be arranged between two adjacent the second extensions 31, this kind of position arrangement easily makes the second transverse shielding sheet 524 be connected to the second extension 31, and then causes the second conducting terminal 3 corresponding to the second extension 31 abutted against to operate.Therefore, described 4th distance D4 must be less than the 3rd distance D3.

Moreover, as Figure 1B, the width W of arbitrary second transverse shielding sheet 524 on length direction L ₅₂₄, it is greater than the second width W of lamellar body 521 secondary shielding portion 5212 on length direction L covering base portion 14 second surface 12 ₅₂₁₂1/3, and be less than the second width W of lamellar body 521 secondary shielding portion 5212 on length direction L covering base portion 14 second surface 12 ₅₂₁₂2/3.Described width W ₅₂₄the width W of 1/2 is roughly in the present embodiment ₅₂₁₂.

Separately, though the second transverse shielding sheet 524 in the present embodiment is integrally connected in the second lamellar body 521, not as limit.For example (figure slightly), described second transverse shielding sheet can also be the independent component that non-self second lamellar body extends, only need when the second transverse shielding sheet be inserted in base portion the second slot, the second transverse shielding sheet and the second lamellar body are reached and are electrically connected.

In addition, above-mentioned second ground strip 52 is that to be provided with two the second transverse shielding sheets 524 be example, but also can adjust the quantity of the second transverse shielding sheet 524 according to different demand.For example, the second ground strip 52 can also be only be provided with single second transverse shielding sheet 524.

Accordingly, for the clear effect presenting described first transverse shielding sheet 514 and the second transverse shielding sheet 524 and can produce, the electric connector 100 of the present embodiment and the electric connector (scheme slightly) that is not formed with described first transverse shielding sheet 514 and the second transverse shielding sheet 524 are carried out simulation test, its test mode inputs a detection signal from the first inboard signal terminal 2a, and measure the first outboard signal terminal 2b, use the degree learning that the first outboard signal terminal 2b is disturbed.Or, input a detection signal from the second inboard signal terminal 3a, and measure the second outboard signal terminal 3b, use the degree learning that the second outboard signal terminal 3b is disturbed.

As shown in figure 11, wherein, curve C 7 represents the simulation results of the present embodiment electric connector 100 to final simulation test result, and curve C 8 represents the electric connector simulation test result not being formed with described first transverse shielding sheet 514 and the second transverse shielding sheet 524.Can know thus and learn, the present embodiment electric connector 100, through being provided with the first transverse shielding sheet 514 and the second transverse shielding sheet 524, effectively can reduce the crosstalk of differential signal really at Width W.

In addition, the external ground part 5 of the present embodiment does an explanation with the structure of two-piece type, but described external ground part 5 can also be the structure of single-piece.For example (figure slightly), the ring-shaped structure of the headtotail that described external ground part can be bending one strip sheet metal and be formed, the wherein one group of mutually overlapped buckling parts being namely similar to described first ground strip and the second ground strip changes and is set to the one with single perforation and is connected and constructs.Therefore, the rear section of external ground part clamping hyoplastron and be buckled in two protrusion tabs of interior ground strip, and being buckled in the external ground part position of two one of them protrusion tab of protrusion tab, it is two mutually overlapped buckling partss, and the perforation of this two buckling parts is sheathed on corresponding protrusion tab.Or (figure slightly), among arbitrary group of mutually overlapped buckling parts, the buckling parts (being namely equivalent to the buckling parts of the second ground strip) being positioned at inner side is not formed with any perforation, its only through-thickness be connected to protrusion tab, and mutually not fasten with protrusion tab; The buckling parts (being namely equivalent to the buckling parts of the first ground strip) being positioned at outside is then provided with perforation, to be buckled in protrusion tab and to be pressed against adjacent inner side buckling parts.

Moreover in Figure 1B and Fig. 2 B, protrusion tab 42 is two lamellasomes for doubling, and buckling parts 512,522 is then for ring slice, but the utility model is not as limit.For example, as shown in figures 7 a and 7b, each protrusion tab 42 is the individual layer lamellar body extended from plate body 41 one, and the short lateral margin that described each buckling parts 512 is first covering parts 5111 corresponding to it vertically bends a pair snap fit that extension is formed, described each buckling parts 522 is a pair snap fit that the short lateral margin of the second covering part 5211 corresponding to it vertically bends extension and formed, and above-mentioned each buckling parts 512,522 inner edge in snap fit shape defines described perforation 5121,5221.

Say further, two protrusion tabs 42 of described interior ground strip 4 are arranged in buckling parts 512,522 perforation 5121,5221 of above-mentioned snap fit shape respectively; Change an angle, two buckling partss 512 of described first ground strip 51 are held in a plate face (protrusion tab 42 end face as in Fig. 7 B) of above-mentioned two protrusion tabs 42 respectively, and two buckling partss 522 of described second ground strip 52 are then held in another plate face of above-mentioned two protrusion tabs 42 (protrusion tab 42 bottom surface as in Fig. 7 B) respectively.

Need supplement, as shown in Figure 2 C, below by the annexation of the first glue core 1a of the described insulating body 1 of explanation and the second glue core 1b compared to other assembly.First extension 21 of those the first conducting terminals 2 and the plate body 41 of the first contact-segment 22 and interior ground strip 4 are all embedded in the first glue core 1a.31, second extension of those the second conducting terminals 3 is embedded in the second glue core 1b, and the second contact-segment 32 of those the second conducting terminals 3 protrudes out the second rear section 1522 of the second glue core 1b.

When the first glue core 1a engages with the second glue core 1b, two clasp arms (sign) set by the two opposite sides of second base portion 142 of the second glue core 1b are buckled in first base portion 141 of the first glue core 1a respectively, use and the first glue core 1a and the second glue core 1b is fastened each other.Second contact-segment 32 of those the second conducting terminals 3 is placed in the several grooves on front section 151 second surface 12 of the first glue core 1a respectively, and free end 321 interference engagement of each second contact-segment 32 is inner in front section 151.First ground strip 51 of described external ground part 5 and the second ground strip 52 clamp the first glue core 1a and the second glue core 1b, use and enable the first glue core 1a and the second glue core 1b more firmly maintain the relative position of each other.Moreover, through above-mentioned tectonic sieving, electric connector 100 not only can be made to assemble rapidly, the relative position of each assembly more can be made to be easy to location.

Refer to Fig. 2 A to Fig. 2 C, described first metal shell 6 one end is formed with an interface 61, and the first metal shell 6 is provided with one first engaging portion 62 at the position away from interface 61.Described insulating body 1 is arranged in the first metal shell 6, and hyoplastron 15 through above-mentioned interface 61 can with corresponding connector along its length L carry out grafting.Each elastic arm 513,523 of described external ground part 5 is connected to the inner surface of the first metal shell 6 with suffering oppression, use and make external ground part 5 and the interior ground strip 4 that abuts thereof can reach electric connection with the first metal shell 6, and be connected to the first earth terminal 2c and the second earth terminal 3c through connecting portion 5113,5213, use and make all in electric connector 100 assembly of ground connection electrically can serial connection via external ground part 5 and be integrated, and then reach the effect improving high frequency usefulness.

Described second metal shell 7 one end is formed with an opening 71, and the second metal shell 7 is provided with one second engaging portion 72 at the position away from opening 71.Above-mentioned first metal shell 6 is arranged in the second metal shell 7, and the front end that the first metal shell 6 is formed with interface 61 stretches out the opening 71 of the second metal shell 7.Moreover described first engaging portion 62 and the second engaging portion 72 snapping mutually, uses the relative position of maintenance first metal shell 6 and the second metal shell 7.

In the present embodiment, the first engaging portion 62 is for skewed lug, and the second engaging portion 72 is then be enough to accommodate the hole of above-mentioned lug for example, but the concrete structure of the first engaging portion 62 and the second engaging portion 72 is not and be limited to this.That is, as long as the structure of the first engaging portion 62 and the second engaging portion 72 can group connect mutually, to maintain the relative position of the first metal shell 6 and the second metal shell 7.

[the possible effect of the utility model embodiment]

In sum, the electric connector that the utility model embodiment provides, it is through external ground part (as: the first ground strip and the second ground strip) and interior ground strip snapping, effectively to promote the resistance to contact engaging and separating force of electric connector, and external ground part and interior ground strip are electrically connected to each other, and then promote the high frequency usefulness of described electric connector.Described external ground part is connected to the first earth terminal and the second earth terminal through connecting portion and is connected to the first metal shell through elastic arm, use and make all in the electric connector assembly of ground connection electrically can serial connection via external ground part and be integrated, and then reach the effect improving high frequency usefulness.

Moreover, the electric connector that the utility model embodiment provides, three blocks are separated into through two first transverse shielding sheets of external ground part between the plate body of ground strip and the first lamellar body of the first ground strip in it, use and make this in Width on produce shielding action via the first transverse shielding sheet with this two couple first outboard signal terminal first extension to the first inboard signal terminal first extension, and then reach the effect reducing differential signal crosstalk.Similarly, also can pass through two second transverse shielding sheets of external ground part between the plate body of interior ground strip and the second lamellar body of the second ground strip and separate into three blocks, use and make this in Width on produce shielding action via the second transverse shielding sheet with this two couple second outboard signal terminal second extension to the second inboard signal terminal second extension, and then reach the effect reducing differential signal crosstalk.

Separately, the electric connector that the utility model embodiment provides, arbitrary longitudinal direction that in it, ground strip is provided with shields sheet, be in the longitudinal direction roughly a pair second outboard signal terminals the second linkage section and adjacent this to the first linkage section of the first outboard signal terminal between, use and make the second linkage section of this two couple second outboard signal terminal respectively via described two longitudinal shielding sheets and produces at least local with the first linkage section of this two couple first outboard signal terminal and cover, and then the crosstalk of reduction differential signal.

Again, described insulating body is formed with the first glue core and the second glue core of separable assembling, and the plate body of the first extension of those the first conducting terminals and interior ground strip is all embedded in the first glue core, and the second extension of those the second conducting terminals is embedded in the second glue core, use and electric connector is assembled rapidly, the relative position of each assembly more can be made to be easy to location.Moreover the first ground strip and second ground strip of described external ground part firmly clamping the first glue core and the second glue core through being fastened on interior ground strip, using and making the first glue core and the second glue core maintain the relative position of each other.

The foregoing is only the preferred possible embodiments of the utility model, it is also not used to the scope of the claims limiting to the utility model, and all equivalent variations of being done according to the utility model patent protection scope and modification, all should belong to the covering scope of the utility model.

Claims

1. an electric connector, is characterized in that, comprising:

One insulating body, its hyoplastron that there is a base portion and extend from described base portion; Wherein, the outer surface of described insulating body includes a first surface in opposition side and a second surface and the two sides between described first surface and described second surface, and the range direction of described two sides is defined as a Width;

Several first conducting terminal, it is arranged at described insulating body and respectively has one first linkage section, and several described first linkage section lines up a first row and a secondary series respectively; Described several first conducting terminal includes a pair first inboard signal terminals and two to the first outboard signal terminal, and described two are positioned at described first row to the first linkage section of the first outboard signal terminal;

Several second conducting terminal, it is arranged at described insulating body and respectively has one second linkage section, and several described second linkage section lines up one the 3rd row; Wherein, the part of each first conducting terminal along a thickness direction respectively with the part of second conducting terminal in described several second conducting terminal in opposite directions; Described several second conducting terminal includes a pair second inboard signal terminals and two to the second outboard signal terminal, and described two are respectively adjacent in described two the first linkage sections to the first outboard signal terminal to the second linkage section of the second outboard signal terminal;

Ground strip in one, has:

One plate body, it is embedded in described insulating body; On described thickness direction, by described plate body separate each first conducting terminal part and the part of described second conducting terminal in opposite directions; And

At least one longitudinal direction shields sheet, it extends from described plate body bending and formed, described at least one longitudinally shielding sheet is between described first row and the described 3rd arranges, and described two to the second linkage section of a pair second outboard signal terminals in the second outboard signal terminal, via described at least one longitudinally shielding sheet, the first linkage section of the described a pair first outboard signal terminals adjacent with the second linkage section of described a pair second outboard signal terminals produces and at least locally covers; On described Width, the width of described at least one longitudinally shielding sheet is not less than the width distance of the first linkage section outer rim of its adjacent described a pair first outboard signal terminals or is not less than the width distance of the second linkage section outer rim of its adjacent described a pair second outboard signal terminals; And

One external ground part, it is covered in the position of the described hyoplastron of described base portion and contiguous described base portion.

2. electric connector according to claim 1, wherein, the longitudinal direction shielding sheet quantity of described interior ground strip is further defined to two, and described two to the second linkage section of the second outboard signal terminal respectively via longitudinal shielding sheet and to produce the first linkage section of the first outboard signal terminal at least locally cover with described two described in two.

3. electric connector according to claim 2, wherein, away from one end of arbitrary longitudinally shielding sheet of described plate body, be not more than arbitrary second linkage section relative to the length on described thickness direction along described thickness direction relative to the distance at the position of being separated by described plate body of arbitrary second conducting terminal.

4. electric connector according to claim 3, wherein, described first row, described secondary series and described 3rd row are parallel to each other, and described secondary series is between described first row and the described 3rd arrange, first linkage section of described a pair first inboard signal terminals is positioned on described secondary series, and described two longitudinally shielding sheets to be arranged on described secondary series and lay respectively at the first linkage section of described a pair first inboard signal terminals contrary two outside.

5. electric connector according to claim 3, wherein, described insulating body includes one first glue core and one second glue core, the position of being separated by described plate body of described several first conducting terminal and the plate body of described interior ground strip are embedded in described first glue core, described several second conducting terminal be embedded in described second glue core by the position that described plate body is separated, and described external ground part clamping described first glue core and described second glue core.

6. electric connector according to claim 3, wherein, each first conducting terminal has one first free end away from its first linkage section, each second conducting terminal has forniciform second free end away from its second linkage section, the first free end of each first conducting terminal and its towards the second conducting terminal the second free end between the position of plate body of described interior ground strip be penetration state, and several described second free end local is placed in the plate body position of described penetration state.

7. electric connector according to claim 3, wherein, described interior ground strip have from the bending of described plate body extend form two pins, and described two pins to be arranged on described first row and to lay respectively at described two to outside contrary two of the first linkage section of the first outboard signal terminal.

8. the electric connector according to any one of claim 4 to 7, wherein, described interior ground strip has and extends two outstanding protrusion tabs respectively from the two opposite sides edge of described plate body; The position of the described hyoplastron of the contiguous described base portion of described external ground part clamping and be buckled in two protrusion tabs of described interior ground strip.

9. electric connector according to claim 8, wherein, described first and second conducting terminal several includes at least one earth terminal; Described external ground part is provided with at least one connecting portion, and described at least one connecting portion is connected to described at least one earth terminal.

10. the electric connector according to any one of claim 4 to 7, wherein, described two to the first outboard signal terminal laid respectively at by the position that described plate body is separated the position of being separated by described plate body of described a pair first inboard signal terminals contrary two outside; Described external ground part includes:

At least one first lamellar body, it is covered in the first surface of the described hyoplastron of the part of described base portion and contiguous described base portion; And

At least one first transverse shielding sheet, it is installed on described base portion and is electrically connected at described at least one first lamellar body, described at least one first transverse shielding sheet is positioned at described two positions of being separated by described plate body to the first outboard signal terminal, along described thickness direction extend past the inner side in region; And the position of being separated by described plate body of described a pair first inboard signal terminals, along described thickness direction extend past region contrary two outside in one outside.

11. electric connectors according to claim 10, wherein, being covered in the position of described at least one first lamellar body of the first surface of described base portion, is one first distance along described thickness direction relative to the distance definition at the position of being separated by described plate body of arbitrary first conducting terminal; First transverse shielding sheet quantity of described external ground part is two, first transverse shielding sheet described in two is installed on described base portion and is electrically connected at described at least one first lamellar body, described two first transverse shielding sheets be positioned at described two to the position of being separated by described plate body of the first outboard signal terminal along described thickness direction extend past the inner side in region, and the described two first transverse shielding sheets position of being separated by described plate body that lays respectively at described a pair first inboard signal terminals along described thickness direction extend past region contrary two outside; One end of arbitrary first transverse shielding sheet of the plate body of contiguous described interior ground strip be a second distance along described thickness direction relative to the distance definition of described at least one first lamellar body, and described second distance is not less than described first distance of 1/3.

12. electric connectors according to claim 11, wherein, described second distance is less than described first distance and is greater than described first distance of 2/3.

13. electric connectors according to claim 11, wherein, the definition of described insulating body has a length direction, and described electric connector carries out grafting with for a corresponding connector along described length direction; Wherein, the width of arbitrary first transverse shielding sheet on described length direction, be greater than 1/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion, and be less than 2/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion.

14. 1 kinds of electric connectors, is characterized in that, comprising:

Ground strip in one, has:

One plate body, it is embedded in described insulating body, on described thickness direction, by described plate body separate each first conducting terminal part and the part of described second conducting terminal in opposite directions;

Two protrusion tabs, extend outstanding formation respectively from the two opposite sides edge of described plate body; And

15. electric connectors according to claim 14, wherein, described first and second conducting terminal several includes at least one earth terminal; Described external ground part is provided with at least one connecting portion, and described at least one connecting portion is connected to described at least one earth terminal.

16. electric connectors according to claim 15, wherein, described two to the first outboard signal terminal laid respectively at by the position that described plate body is separated the position of being separated by described plate body of described a pair first inboard signal terminals contrary two outside; Described external ground part includes:

17. electric connectors according to claim 16, wherein, being covered in the position of described at least one first lamellar body of the first surface of described base portion, is one first distance along described thickness direction relative to the distance definition at the position of being separated by described plate body of arbitrary first conducting terminal; One end of described at least one first transverse shielding sheet of the plate body of contiguous described interior ground strip be a second distance along described thickness direction relative to the distance definition of described at least one first lamellar body, and described second distance is not less than described first distance of 1/3.

18. electric connectors according to claim 17, wherein, described second distance is less than described first distance and is greater than described first distance of 2/3.

19. electric connectors according to claim 17, wherein, the definition of described insulating body has a length direction, and described electric connector carries out grafting with for a corresponding connector along described length direction; Wherein, the width of described at least one first transverse shielding sheet on described length direction is greater than 1/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion, and is less than 2/3 of the width of position on described length direction of described at least one first lamellar body of the first surface covering described base portion.