CN106469863B

CN106469863B - Electric connector and arrangements of electric connection

Info

Publication number: CN106469863B
Application number: CN201510514802.9A
Authority: CN
Inventors: 符允豪; 吴云山
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2015-08-20
Filing date: 2015-08-20
Publication date: 2018-10-09
Anticipated expiration: 2035-08-20
Also published as: CN106469863A

Abstract

A kind of electric connector of present invention proposition and arrangements of electric connection, electric connector include an insulating body, a terminal group and multiple earthing members.Terminal group includes multiple terminals.Each terminal has a fixed part, a contact site and an extension.Terminal group includes a first end subgroup, the first end subgroup has two pairs of signal terminals pair being made of respectively two adjacent signal terminals and three ground terminals being located between two pairs of signal terminals pair and on the outside of two, makes each pair of signal terminal to being located between two ground terminals.Earthing member is buckled in the extension of the ground terminal of first end subgroup spaced apartly, each earthing member includes integrally a horizontal socket part and three engaging portion extended respectively by horizontal socket part, and engaging portion is buckled in the extension of ground terminal respectively and horizontal socket part is vacantly across two pairs of signal terminals pair.

Description

Electric connector and arrangements of electric connection

Technical field

The present invention relates to a kind of electric connector and arrangements of electric connections.

Background technology

In general electronics information product, transmission line is connected to transmit signal usually using electric connector.Due to data Transmission quantity is growing, and electric connector needs raising transmission speed that could meet the needs of mass data transmission.However, height is kept pouring in Defeated electric connector has been easy inductive coupling cross-talk (inductive cross-talk) and near-end crosstalk interference (near End cross talk, NEXT) the problem of.

TaiWan, China patent I 475754 (corresponding case US 8353726, CN 201110099693.0) discloses a kind of electricity Connector, wherein including a third conducting terminal, which is equipped with through-hole in its holding parts centre position, this is logical Hole can adjust matching impedance, and can be latched with insulating body.

TaiWan, China patent the M332989th (corresponding case US 7485009, CN 200720040634.5) discloses a kind of electricity Connector, wherein including conducting terminal, the interconnecting piece of conducting terminal sets there are two the adjusting hole of closing long trough, can suitably subtract The sectional area of few conducting terminal, to adjust effective conductive area of conducting terminal.

TaiWan, China patent I 484705 (corresponding case WO 2014/049426A2, CN200720040634.5) is open A kind of electric connector, wherein including first pair of difference signal terminal and second pair of difference signal terminal, first pair of differential signal end First and second signal terminal of son and third and the fourth signal terminal of second pair of difference signal terminal are sequentially in a first direction Arrangement.First and second is staggered respectively to the pin of difference signal terminal in the second direction transverse to first direction.

Chinese Patent No. CN 201210225277.5 (corresponding case US 8764460) discloses a kind of electric connector, wherein Including first row contact plug and multiple earth braces, first row contact plug includes the first ground pin, the second ground pin and third ground connection Pin, each first ground pin of electrical connection of earth brace, the second ground pin and third ground pin, earth brace are installed in parallel with each other. But the patent specification do not illustrate earth brace how with ground connection pin connection.

Since the terminal of high-frequency transmission is easier to heat, if the heat dissipation effect of electric connector is bad, it is easy to influence electrical connection The transfer function of device even results in failure.TaiWan, China patent the M329915th (corresponding case US 7578696, CN 200720038820.5) it discloses a kind of electric connector, including substantially L-shaped insulating body and matching and is assembled to insulating body Lid, the lid is also substantially L-shaped, and multiple first forms are offered in first panel, are offered in second panel multiple Second form, to ventilate.

Electric connector has wide range of applications, and because the demand of miscellaneous electronic device is not quite similar, is electrically connected The structure design of device is also different with suitable for different electronic devices.So how to change electric connector structure and can subtract Few inductive coupling cross-talk and near-end crosstalk interference, still there is improved space.

Invention content

Therefore, a wherein purpose of the invention is to provide a kind of electric connector suitable for high-frequency transmission.

Therefore, wherein another object of the invention is to provide a kind of arrangements of electric connection suitable for high-frequency transmission.

Then, electric connector of the present invention is to include in some embodiments：One insulating body, a first end subgroup and Multiple metallic ground parts.The insulating body includes one first socket unit, which has a base portion, one by the base The plug division and multiple terminal grooves for extending through the base portion and extending to the plug division that portion extends.The first terminal is mounted on this First socket unit and include multiple terminals, is respectively contained in the multiple terminal groove, and each terminal has one to be retained on the base The fixed part in portion, one extend to the contact site of the plug division by the fixed part and one extend to prolonging outside the base portion by the fixed part Extending portion, the first end subgroup include a first end subgroup, and the first end subgroup is with two pairs respectively by two adjacent signals ends Molecular signal terminal pair and three ground terminals being located between two pairs of signal terminals pair and on the outside of two, make each pair of Signal terminal is to being located between two ground terminals.The multiple metallic ground part is buckled in the first end spaced apartly The extension of the ground terminal of subgroup, each earthing member include integrally a horizontal socket part and three buttons extended respectively by the horizontal socket part Three engaging portion of socket part, each earthing member are buckled in the extension of three ground terminals respectively and the horizontal socket part is hanged Sky is across two pairs of signal terminals pair.

In some embodiments, which is extended forward by the base portion, and each terminal of the first end subgroup prolongs Bending extends and is exposed on rear side of the base portion backward and down in the extending portion portion of being secured by it.

In some embodiments, there are two clamp arm, which has elasticity and in free end phase each engaging portion tool To protrusion, i.e., the spacing between two clamp arm is smaller in free end, and the extension of each ground terminal is equipped with multiple right respectively It includes one first fastening part and one second fastening part to answer the holding unit of the multiple earthing member, each holding unit, this first Fastening part supplies the free end holding of two clamp arm of corresponding engaging portion, second fastening part to supply two clamp arm of corresponding engaging portion Holding between fixing end.

In some embodiments, the fixed part of the terminal of the first end subgroup and extension is plate-like and the multiple end Son is arranged side by side by plate face with respect in the form of plate face, and the signal terminal of each pair of signal terminal pair is respectively also with one by its extension The tail portion of the extension and tail portion of two signal terminals is staggered along a front-rear direction, each ground terminal also have that there are two prolonged by it respectively Extending portion extends and positioned at front and back position tail portion spaced apart.

In some embodiments, the extension of each ground terminal is transverse to the plate face width of its extending direction more than every The extension of one signal terminal is transverse to the plate face width of its extending direction, and two tail portions of each ground terminal are in the front and back To distance be more than each pair of signal terminal pair two tail portions in the distance in the front-back direction.

In some embodiments, first fastening part of each holding unit is a button hole for being opened in the extension, Second fastening part is one by the recessed recess in the extension lateral margin.

In some embodiments, which also includes a second end subgroup, the terminal of the second end subgroup The configuration of number and signal terminal and ground terminal and the first terminal faciation are same, and each terminal of the second end subgroup also has One tail portion extended by its extension, plurality of metallic ground part are buckled in the ground connection of the second end subgroup spaced apartly The extension of terminal, and the extension of each ground terminal of the second end subgroup corresponds to the multiple ground connection respectively equipped with multiple The holding unit of part, each holding unit include one first fastening part and one second fastening part, and first fastening part is for corresponding The free end holding of two clamp arm of engaging portion, second fastening part between the fixing end of two clamp arm of corresponding engaging portion for blocking It sets.

In some embodiments, the first fastening part of each holding unit of each ground terminal of the second end subgroup and Second fastening part is respectively by the recess of the two opposite sides edge of extension formation recessed in opposite directions.

In some embodiments, the fixed part of the terminal of the second end subgroup and extension is plate-like and the multiple end Son is arranged side by side by plate face with respect in the form of plate face, and the extension of each terminal of the second end subgroup should equipped at least one edge The elongated perforation that the extending direction of extension extends.

In some embodiments, which also includes a third terminal group, and third terminal group's is each Terminal also has a tail portion extended by its extension；The fixed part and extension of the terminal of third terminal group be plate-like and institute It states multiple terminals to be arranged side by side with respect in the form of plate face by plate face, the extension of each terminal of third terminal group is equipped at least The elongated perforation that one extending direction along the extension extends.

In some embodiments, the fixed part of each terminal of the first end subgroup is equipped with a trepanning.

In some embodiments, which further includes one second socket unit, which is located at should Below first socket unit and construction is identical as the first socket unit；The electric connector also includes one set on second socket unit Second end subgroup, the terminal construction and configured in one piece of the second end subgroup are identical as first end subgroup, but second end subgroup The extension of terminal there is no elongated perforation, the extension of the terminal of the first end subgroup and tail portion are located at the Second terminal The extension of the terminal of group and the rear of tail portion.

In some embodiments, the first end subgroup of the first end subgroup and the earthing member difference of second end subgroup are set to It it is three, the earthing member set on the first end subgroup of the second end subgroup and second end subgroup is respectively two.

In some embodiments, which further includes multiple being located at first socket unit and the second socket list Between member and respectively along perforative first ventilation hole of the front-rear direction；The electric connector also includes a rear cover, which has one Rear wall, the rear wall have multiple second ventilation holes, and the multiple second ventilation hole is matched with the multiple first ventilation hole to be made Air can front and back circulation.

Then, in some embodiments, it includes an electric connector and a circuit board to be to arrangements of electric connection of the present invention.The electricity Connector includes an insulating body and a first end subgroup.The insulating body includes one first socket unit, the first socket list Member has a base portion, a plug division extended forward by the base portion and multiple respectively along a front-rear direction through the base portion and extending To the terminal groove of the plug division.The first terminal is mounted on first socket unit and includes multiple terminals, is respectively contained in institute State multiple terminal grooves, each terminal has one be retained on the fixed part of the base portion, one extend to the plug division by the fixed part Contact site and one bending extends to the extension outside the base portion backward and down by the fixed part.The first end subgroup includes one First end subgroup, the first end subgroup have two pairs of signal terminals pair being made of respectively two adjacent signal terminals and three pieces points Ground terminal not between two pairs of signal terminals pair and on the outside of two, makes each pair of signal terminal to being located at two ground terminals Between son, the fixed part and extension of the terminal of the first end subgroup be plate-like and the multiple terminal with plate face with respect to plate face Form is arranged side by side, the tail portion that the signal terminal of each pair of signal terminal pair is also extended with one by its extension respectively and two signals The tail portion of terminal is staggered along the front-rear direction, and each ground terminal also has that there are two extended by its extension and respectively positioned at front and back Position tail portion spaced apart.The circuit board has the contact of multiple tail portions for being separately connected the multiple terminal and multiple connects Ground hole, the multiple ground hole, which is set to, to be correspondingly connected between two contacts of two tail portions of intermediate ground terminal.

In some embodiments, the multiple ground hole is distributed along the front-rear direction.

In some embodiments, the multiple ground hole be plate metal perforation and with the ground path of the circuit board electricity Connection.

In some embodiments, the multiple ground hole is three.

In some embodiments, the multiple contact is perforation, and the tail portion of the multiple terminal is stitch shape and is inserted into Corresponding contact is welded and fixed.

In some embodiments, which also contains a second end subgroup and a third terminal group, this second The number of terminals and signal terminal of terminal group and the configuration of ground terminal and the first terminal faciation are same, and the second end subgroup Each terminal also has a tail portion extended by its extension, and each terminal of third terminal group is also with one by its extension The tail portion of extension.

In some embodiments, the fixed part of the terminal of the second end subgroup and third terminal group and extension are in plate Shape and the multiple terminal are arranged side by side by plate face with respect in the form of plate face, and the second end subgroup and third terminal group's is each The extension of terminal is equipped with the elongated perforation that at least one extending direction along the extension extends.

In some embodiments, which also includes multiple metallic ground parts, is set to the of the first end subgroup One terminal group and the earthing member of second end subgroup are respectively three, are set to first end subgroup and the Second terminal of the second end subgroup The earthing member of group is respectively two, and each earthing member includes integrally a horizontal socket part and three snappings extended respectively by the horizontal socket part Portion, three engaging portion of each earthing member are buckled in the extension and the horizontal socket part of the ground terminal of corresponding end subgroup respectively Vacantly across two pairs of signal terminals pair of corresponding end subgroup.

The present invention at least has effects that following：Earthing member can be made to be easy and ground terminal sub-buckle by the overall construction of earthing member It connects and combines.By the construction for reducing signal cross-talk, signal terminal can be effectively reduced between itself and two signal terminals pair Coupling caused by signal cross-talk, in favor of the high-speed transfer of signal and the integrality of signal.In addition, by insulating body First ventilation hole is matched with the second ventilation hole of rear cover allows the front and back circulation of air, increases heat dissipation whereby.

Description of the drawings

The other features and effect of the present invention will be clearly presented in being described in detail with reference to the embodiment of attached drawing, In：

Fig. 1 is a stereogram, illustrates an embodiment of arrangements of electric connection of the present invention；

Fig. 2 is the stereogram at an another visual angle, illustrates the embodiment；

Fig. 3 is a stereogram exploded view, illustrates insulating body, rear cover, positioning plate and the end of an electric connector of the embodiment The assembled relation of son；

Fig. 4 is a stereogram exploded view, illustrates the group of the insulating body and first end subgroup and second end subgroup of the embodiment Dress relationship；

Fig. 5 is a stereogram, illustrates the combination of the first end subgroup and multiple earthing members of the first end subgroup of the embodiment Relationship；

Fig. 6 is a stereogram exploded view, illustrates the terminal construction and Rankine-Hugoniot relations of the first end subgroup of the embodiment；

Fig. 7 is a front view, illustrates the construction of an earthing member of the embodiment；

Fig. 8 is a stereogram, illustrates the combination of the second end subgroup and multiple earthing members of the first end subgroup of the embodiment Relationship；

Fig. 9 is a stereogram exploded view, illustrates the terminal construction of the second end subgroup of the embodiment and another reality of earthing member Apply mode；

Figure 10 is a stereogram exploded view, illustrate the second end subgroup of the embodiment terminal construction and Rankine-Hugoniot relations and its The syntagmatic of first, second terminal group and earthing member；

Figure 11 is a vertical view, illustrates multiple contacts of the circuit board of the embodiment and the distribution relation of multiple ground holes；

Figure 12 is the magnified partial view of a Figure 11, illustrates the ground hole of the circuit board of the embodiment；

Figure 13 is a stereogram, illustrates the assembling of the terminal tails of the first end subgroup of the embodiment and the contact of circuit board Relationship；

Figure 14 is the magnified partial view of a Figure 13, illustrates the tail portion of the ground terminal of the first end subgroup of the embodiment and connects The position relationship in ground hole；And

Figure 15 is a rearview, illustrates the first ventilation hole of the insulating body of the embodiment and the second ventilation hole of rear cover Correspondence.

Wherein, the reference numerals are as follows：

A first end subgroups

A1 first ends subgroup

A10 signal terminals pair

A11 signal terminals

A12 ground terminals

A2 second ends subgroup

A20 signal terminals pair

A21 signal terminals

A22 ground terminals

A3 third terminal groups

B second end subgroups

B1 first ends subgroup

B10 signal terminals pair

B11 signal terminals

B12 ground terminals

B2 second ends subgroup

B20 signal terminals pair

B21 signal terminals

B22 ground terminals

B3 third terminal groups

C spacing

D front-rear directions

L1 distances

L2 distances

W1 plate face width

W2 plate face width

100 electric connectors

1 insulating body

11 first socket units

111 base portions

112 plug divisions

112a slots

The first walls of 112b

The second walls of 112c

113 terminal grooves

12 second socket units

13 first ventilation holes

14 assembled walls

141 holding sections

2 terminals

21 fixed parts

211 trepannings

22 contact sites

23 extensions

231 holding units

The first fastening parts of 231a

The second fastening parts of 231b

232 elongated perforations

24 tail portions

2 ' terminals

21 ' fixed parts

22 ' contact sites

23 ' extensions

24 ' tail portions

3 earthing members

31 horizontal socket parts

32 engaging portion

321 clamp arm

4 positioning plates

41 positional punches

42 buckle structures

5 rear covers

51 side walls

52 roofs

53 rear walls

531 second ventilation holes

6 circuit boards

61 contacts

61G contacts

61S contacts

62 ground holes

Specific implementation mode

Refering to fig. 1 to Fig. 4, an embodiment of arrangements of electric connection of the present invention includes：One electric connector 100 and a circuit board 6. The electric connector 100 includes an insulating body 1, a first end subgroup A, a second end subgroup B, multiple metallic ground parts 3, certain Position plate 4 and a rear cover 5.

The insulating body 1 includes one first socket unit 11, one second socket unit 12, multiple first ventilation holes 13 and two A assembled wall 14.First socket unit 11 has the plug division 112 that a base portion 111, one extends forward by the base portion 111 and more A terminal groove 113 for running through the base portion 111 along a front-rear direction D respectively and extend to the plug division 112.The plug division 112 has There is a slot 112a and defines the one first wall 112b and one second wall 112c of the two opposite sides slot 112a.A portion end Pilot trench 113 extends to first wall 112b, and another part terminal groove 113 extends to second wall 112c, and with slot 112a It is connected.Second socket unit 12 is located at 11 lower section of the first socket unit and construction is identical as the first socket unit 11.The One ventilation hole 13 is located between first socket unit 11 and second socket unit 12 and respectively along front-rear direction D and runs through. Two assembled wall 14 is spaced opposite and is connected to first socket unit 11 and 12 rear two of the second socket unit Side.

First end subgroup A is set to first socket unit 11 and includes multiple terminals 2.Multiple terminals 2 are respectively contained in The terminal groove 113 of one socket unit 11.Each terminal 2 has one to be retained on the fixed part 21, one of the base portion 111 by the fixed part 21 contact sites 22 and one for extending to the plug division 112 are extended to the extension 23 outside the base portion 111 by the fixed part 21.At this In embodiment, the extension 23 of each terminal 2 be secured by it portion 21 backward and down bending extend and after being exposed to the base portion 111 Side.First end subgroup A contains a first end subgroup A1, a second end subgroup A2 and a third terminal group A3.The Second terminal The contact site 22 of the contact site 22 and third terminal group A3 of group A2 is set to the second wall 112c and is exposed to slot 112a, and The second end subgroup A2 and third terminal group A3 are separated by a spacing C, the contact site 22 of first end subgroup A1 be set to this first Wall 112b and relative to spacing C and it is exposed to slot 112a.In the present embodiment, first end subgroup A1 and second end subgroup A2 is to transmit high-frequency signal, and third terminal group A3 is transmitting low frequency signal.

There are two pairs of letters being made of respectively two adjacent signal terminals A11 refering to Fig. 5 to Fig. 7, first end subgroup A1 Number terminal is located at two pairs of signal terminals between A10 and the ground terminal A12 in two outsides to A10 and three, makes each pair of Signal terminal is located between two ground terminal A12 A10.The fixed part 21 of the terminal 2 of first end subgroup A1 and extension Portion 23 is plate-like and multiple terminals 2 are arranged side by side by plate face with respect in the form of plate face, signal terminal of each pair of signal terminal to A10 D is wrong along the longitudinal direction for the tail portion 24 for the tail portion 24 and two signal terminal A11 that A11 is also extended with one by its extension 23 respectively It opens.By the tail portion 24 of two signal terminal A11, D is staggered and can promote the integrality of signal along the longitudinal direction.Each ground terminal A12 also has that there are two extended respectively by its extension 23 and positioned at front and back position tail portion 24 spaced apart.Each ground terminal The plate face width W1 that the extension 23 of sub- A12 is transverse to its extending direction is transversal more than the extension 23 of each signal terminal A11 In the plate face width W2 of its extending direction, and two tail portions 24 of each ground terminal A12 are more than in the distance L1 of front-rear direction D Each pair of signal terminal, in the distance L2 of front-rear direction D, reduces signal terminal between A10 whereby to two tail portions 24 of A10 Signal cross-talk caused by coupling.

Three earthing members 3 are buckled in the extension 23 of the ground terminal A12 of first end subgroup A1 spaced apartly, often One earthing member, 3 one includes a horizontal socket part 31 and three engaging portion 32 extended respectively by the horizontal socket part 31, each earthing member 3 Three engaging portion 32 are buckled in the extension 23 of three ground terminal A12 respectively and the horizontal socket part 31 is vacantly across two pairs of signals Terminal is to A10.Smaller inductive coupling circuit (inductive loops) can be formed by setting earthing member 3, it so can be Inductive coupling cross-talk of the adjacent signal terminals between A10 is reduced when high-frequency transmission, with meet more than 6GHz frequencies with The requirement that near-end crosstalk is interfered when 12Gb/s speed rates.In an embodiment, each engaging portion 32 has there are two clamp arm 321, Two clamp arm 321 has elasticity and in the opposite protrusion in free end, also that is, the spacing between two clamp arm 321 is smaller in free end, And it can be clamped on ground terminal A12.Furthermore the extension 23 of each ground terminal A12 corresponds to multiple connect respectively equipped with multiple The holding unit 231 of ground part 3, each holding unit 231 include one first fastening part 231a and one second fastening part 231b, this One fastening part 231a is for the free end holding of two clamp arm 321 of corresponding engaging portion 32, and second fastening part 231b is for corresponding Holding between the fixing end of two clamp arm 321 of engaging portion 32, can be such that earthing member 3 is more securely positioned on ground terminal A12. In the present embodiment, first fastening part 231a of each holding unit 231 of each ground terminal A12 of first end subgroup A1 The button hole for being opened in the extension 23 for one, second fastening part 231b are one by the recessed recess in 23 lateral margin of extension.

Refering to Fig. 8 and Fig. 9,2 quantity of terminal of second end subgroup A2 and signal terminal A21's and ground terminal A22 Configuration is identical as the first end subgroup A1, also that is, Second terminal group A2 is also with two pairs respectively by two adjacent signal terminals A21 The signal terminal of composition is located at ground terminal of the two pairs of signal terminals between A20 and on the outside of two to A20 and three A22 makes each pair of signal terminal be located between two ground terminal A22 A20.And each terminal 2 of second end subgroup A2 Also there is a tail portion 24 extended by its extension 23.In the second end subgroup, A2 is set there are three earthing member 3, is located at Second terminal The earthing member 3 of group A2 and the earthing member 3 for being located at first end subgroup A1 are different embodiments, in the earthing member of second end subgroup A2 3 constructions are roughly the same with the earthing member 3 for being located at first end subgroup A1, but two clamp arm 321 of engaging portion 32 are longer.The second end The extension 23 of each ground terminal A22 of subgroup A2 is also equipped with multiple holding units 231 for corresponding to multiple earthing members 3 respectively, In the present embodiment, the first fastening part 231a of each holding unit 231 of each ground terminal A22 of second end subgroup A2 and Second fastening part 231b is respectively by the recess of the two opposite sides edge of the extension 23 formation recessed in opposite directions, first fastening part 231a is for the free end holding of two clamp arm 321 of corresponding engaging portion 32, and second fastening part 231b is for corresponding engaging portion 32 Two clamp arm 321 fixing end between holding, equally earthing member 3 can be made more securely to be positioned on ground terminal A22.

In addition, the fixed part 21 and extension 23 of the terminal 2 of second end subgroup A2 are plate-like and multiple terminals 2 are with plate face The form of opposite plate face is arranged side by side, and the extension 23 of each terminal 2 is equipped at least one along the extension side of the extension 23 To the elongated perforation 233 of extension.In the present embodiment, each terminal 2 is set there are two elongated perforation 233, each elongated perforation 233 Between two holding units 231.Adjacent signal terminals can be reduced by multiple elongated perforations 233 between A20 to keep pouring in height Signal cross-talk when defeated.

Referring again to Fig. 4, each terminal 2 of third terminal group A3 also has a tail portion 24 extended by its extension 23, And the extension 23 of each terminal 2 is equipped with the elongated perforation 232 that at least one extending direction along the extension 23 extends.Also That is, the construction of the terminal 2 of third terminal group A3 is identical as the construction of terminal 2 of second end subgroup A2, it can so facilitate manufacture. In addition, the fixed part 21 of each terminal 2 of first end subgroup A is equipped with a trepanning 211, can optimize in 21 region of fixed part Impedance and promote the integrality of signal.

Refering to Fig. 4 and Figure 10, second end subgroup B is set to second socket unit 12 and includes multiple terminals 2 '.This second The terminal 2 ' of terminal group B constructs and configured in one piece is identical as first end subgroup A, and multiple terminals 2 ' are respectively contained in the second socket list The terminal groove 113 of member 12.Each terminal 2 ' has one to be retained on the fixed part 21 ' of base portion 111, one by the fixed part 21 ' extension To the plug division 112 contact site 22 ', one extension 23 ' outside the base portion 111 extended to by the fixed part 21 ' and by extending The tail portion 24 ' that portion 23 ' extends down.Similarly, second end subgroup B contains a first end subgroup B1, a second end subgroup B2 An and third terminal group B3.First end subgroup B1 has two pairs of signal ends being made of respectively two adjacent signal terminals B11 Son is located at two pairs of signal terminals between B10 and the ground terminal B12 in two outsides to B10 and three, and Second terminal The configuration of group B2 is identical as the first end subgroup B1, also has two pairs of signals being made of respectively two adjacent signal terminals B21 Terminal is located at ground terminal B22 of the two pairs of signal terminals between B20 and on the outside of two to B20 and three.But second The extension 23 ' of the terminal 2 ' of the second end subgroup B2 and third terminal group B3 of terminal group B is without elongated perforation, the first terminal The extension 23 of the terminal 2 of group A and tail portion 24 are located at extension 23 ' and the tail portion 24 ' of the terminal 2 ' of second end subgroup B Rear.In addition, the earthing member 3 set on the first end subgroup B1 and second end subgroup B2 of second end subgroup B is respectively two.

Refering to fig. 11 to Figure 14, circuit board 6 has the contact of multiple tail portions 24,24 ' for being separately connected multiple terminals 2,2 ' 61 and multiple ground holes 62.Multiple contacts 61 correspond to first end subgroup A and second end subgroup B and have two groups of contacts in tandem 61, for convenience of description for the sake of, corresponded in attached drawing in first end subgroup A1, B1 and be located at connecing for intermediate ground terminal A12, B12 Point is denoted as 61G, and corresponds to signal terminal and be denoted as 61S to the contact of A10, B10.Multiple ground holes 62 are respectively arranged on every group and connect Between the wherein two contact 61G of point 61, two contact 61G for being equipped with multiple ground holes 62 therebetween is correspondingly connected with positioned at first end Two tail portions 24,24 ' of ground terminal A12, B12 among subgroup A1, B1.Also that is, multiple ground holes 62 are to be located at first terminal Between two tail portions 24,24 ' of ground terminal A12, B12 among group A1, B1.In the present embodiment, between every two contacts 61G Multiple ground holes 62 are distributed along front-rear direction D, and preferably three, and multiple ground holes 62 are distributed in two pairs of left and right and connect respectively Signal terminal is connect between the contact 61S of A10, B10.Multiple ground holes 62 are to plate the perforation of metal and connect with the circuit board 6 The electrical connection (not shown) of ground circuit.Multiple contacts 61 are perforation, and the tail portion 24,24 ' of multiple terminals 2,2 ' is stitch shape and is inserted into Corresponding contact 61 is welded and fixed.Electric wall (electric wall) is formed so that adjacent signal is isolated by multiple ground holes 62 Terminal can also reduce signal cross-talk whereby to A10, B10, in favor of the high-speed transfer of signal and the integrality of signal.

Refering to Fig. 2 to Fig. 4 and Figure 15, which there are multiple corresponding tail portions 24,24 ' for terminal 2,2 ' respectively to wear Set the positional punch 41 of position and multiple buckle structures 42 for being located at both sides.Two assembled walls 14 of the insulating body 1 are divided The holding section 141 of multiple buckle structures 42 She You not coordinated, so that the positioning plate 4 is fixed between two assembled wall 14.After this Lid 5 combines fixed with two assembled wall 14 and base portion 111 and has two side 51, a roof 52 and a rear wall 53.The two side 51 correspond to two assembled wall 14 respectively, which connect with the two side 51 and cover in the top of multiple terminals 2,2 ', after this Wall 53 connects the two side 51 and the roof 52 and is located at multiple terminals 2,2 ' rears and has multiple second ventilation holes 531, more A second ventilation hole 531 is matched with multiple first ventilation holes 13 allows the front and back circulation of air, increases heat dissipation whereby.End After son 2,2 ' is assembled in insulating body 1, then positioning plate 4 and terminal 2,2 ' and the assembling of insulating body 1 fixed, so by rear cover 5 with The assembling of electric connector 100 is completed in the combination of insulating body 1, then electric connector 100 is installed on circuit board 6.

In conclusion by the overall construction of earthing member 3 can make earthing member 3 be easy with ground terminal A12, A22, B12, B22 snappings and combination.By the construction for reducing signal cross-talk, signal terminal can be effectively reduced to A10, A20, B10, B20 sheet Signal cross-talk caused by the coupling of body and two signal terminals between A10, A20, B10, B20 passes in favor of the high speed of signal Defeated and signal integrality.In addition, being matched with the second ventilation hole 531 of rear cover 5 by the first ventilation hole 13 of insulating body 1 Allow the front and back circulation of air, increases heat dissipation whereby.

However described above, only the embodiment of the present invention, it is every according to the present invention when the present invention cannot be limited with this Simple equivalent changes and modifications made by claims and description, all still belong to the range of claims of the present invention It is interior.

Claims

1. a kind of electric connector, including：

There is a base portion, one to be inserted by what the base portion extended for one insulating body, including one first socket unit, first socket unit Socket part and multiple terminal grooves for extending through the base portion and extending to the plug division；

One first end subgroup set on first socket unit and includes multiple terminals, is respectively contained in the multiple terminal groove, often One terminal has one be retained on the fixed part of the base portion, one extended to the contact site of the plug division by the fixed part and one consolidated by this Determine the extension that portion extends to outside the base portion, which includes a first end subgroup, which has two The signal terminal pair being made of respectively two adjacent signal terminals and three are located between two pairs of signal terminals pair and The ground terminal in two outsides, makes each pair of signal terminal to being located between two ground terminals；And

Multiple metallic ground parts are buckled in the extension of the ground terminal of the first end subgroup, each ground connection spaced apartly Part includes integrally a horizontal socket part and three engaging portion extended respectively by the horizontal socket part, three engaging portion of each earthing member It is buckled in the extension of three ground terminals respectively and the horizontal socket part is vacantly across two pairs of signal terminals pair, each snapping There are two clamp arm, the extensions of each ground terminal to be equipped with multiple holding units for corresponding to the multiple earthing member respectively for portion's tool, Each holding unit includes one first fastening part and one second fastening part, which supplies two clamp arm of corresponding engaging portion Holding, second fastening part is for holding between the fixing end of two clamp arm of corresponding engaging portion.

2. electric connector as described in claim 1, wherein the plug division is extended forward by the base portion, the first end subgroup it is every Bending extends and is exposed on rear side of the base portion backward and down in the extension portion of being secured by it of one terminal.

3. electric connector as claimed in claim 1 or 2, wherein two clamp arm has elasticity and in the opposite protrusion in free end, i.e., should Spacing between two clamp arm is smaller in free end, free end card of first fastening part for two clamp arm of corresponding engaging portion It sets.

4. electric connector as claimed in claim 3, wherein the fixed part and extension of the terminal of the first end subgroup it is plate-like and The multiple terminal is arranged side by side by plate face with respect in the form of plate face, and the signal terminal of each pair of signal terminal pair also has one respectively The tail portion of the tail portion and two signal terminals that are extended by its extension is staggered along a front-rear direction, there are two each ground terminal also has Extended respectively by its extension and is located at front and back position tail portion spaced apart.

5. electric connector as claimed in claim 4, wherein the extension of each ground terminal is transverse to the plate face of its extending direction Width is transverse to the plate face width of its extending direction, and two tail portions of each ground terminal more than the extension of each signal terminal It is more than two tail portions of each pair of signal terminal pair in the distance in the front-back direction in the distance in the front-back direction.

6. electric connector as claimed in claim 5, wherein first fastening part of each holding unit is opened in the extension for one The button hole in portion, second fastening part are one by the recessed recess in the extension lateral margin.

7. electric connector as claimed in claim 5, wherein the first end subgroup also includes a second end subgroup, the second end The number of terminals and signal terminal of subgroup and the configuration of ground terminal and the first terminal faciation are same, the second end subgroup it is each Also there is terminal a tail portion extended by its extension, plurality of metallic ground part to be buckled in the second end spaced apartly The extension of the ground terminal of subgroup, and the extension of each ground terminal of the second end subgroup corresponds to institute respectively equipped with multiple The holding unit of multiple earthing members is stated, each holding unit includes one first fastening part and one second fastening part, first holding Portion is for the free end holding of two clamp arm of corresponding engaging portion, fixation of second fastening part for two clamp arm of corresponding engaging portion Holding between end.

8. electric connector as claimed in claim 7, wherein the of each holding unit of each ground terminal of the second end subgroup One fastening part and the second fastening part are respectively by the recess of the two opposite sides edge of extension formation recessed in opposite directions.

9. electric connector as claimed in claim 8, wherein the fixed part and extension of the terminal of the second end subgroup it is plate-like and The multiple terminal is arranged side by side by plate face with respect in the form of plate face, and the extension of each terminal of the second end subgroup is equipped with extremely The elongated perforation that a few extending direction along the extension extends.

10. electric connector as claimed in claim 9, wherein the first end subgroup also includes a third terminal group, the third end Each terminal of subgroup also has a tail portion extended by its extension；The fixed part and extension of the terminal of third terminal group Plate-like and the multiple terminal is arranged side by side by plate face with respect in the form of plate face, the extension of each terminal of third terminal group Portion is equipped with the elongated perforation that at least one extending direction along the extension extends.

11. electric connector as claimed in claim 10, wherein the fixed part of each terminal of the first end subgroup is opened equipped with one Hole.

12. electric connector as claimed in claim 11, wherein the insulating body further includes one second socket unit, this second insert Seat unit is located at below first socket unit and construction is identical as the first socket unit；The electric connector is also set to comprising one should The second end subgroup of second socket unit, the terminal construction and configured in one piece of the second end subgroup are identical as first end subgroup, but Being the extension of the terminal of second end subgroup does not have elongated perforation, and position is distinguished in the extension of the terminal of the first end subgroup and tail portion In the extension of the terminal of the second end subgroup and the rear of tail portion.

13. electric connector as claimed in claim 12, wherein be set to first end subgroup and the second end subgroup of the first end subgroup Earthing member be respectively three, the earthing member set on the first end subgroup of the second end subgroup and second end subgroup is respectively two It is a.

14. electric connector as claimed in claim 13, wherein the insulating body further include it is multiple be located at first socket unit with Between second socket unit and respectively along perforative first ventilation hole of the front-rear direction；The electric connector also includes a rear cover, There is the rear cover rear wall, the rear wall to have multiple second ventilation holes, the multiple second ventilation hole logical with the multiple first Air holes, which matches, allows the front and back circulation of air.

15. a kind of arrangements of electric connection, including：

One electric connector, including：

There is a base portion, one to be extended forward by the base portion for one insulating body, including one first socket unit, first socket unit Plug division and multiple through the base portion and extend to the terminal groove of the plug division along a front-rear direction respectively；And

One first end subgroup set on first socket unit and includes multiple terminals, is respectively contained in the multiple terminal groove, often One terminal has one be retained on the fixed part of the base portion, one extended to the contact site of the plug division by the fixed part and one consolidated by this Backward and down bending of determining portion extends to the extension outside the base portion, which includes a first end subgroup, this One terminal group is located at two couple letter with two pairs of signal terminals pair being made of respectively two adjacent signal terminals and three Between number terminal pair and the ground terminal in two outsides, make each pair of signal terminal to being located at two ground terminals between, this first The fixed part and extension of the terminal of terminal group are plate-like and the multiple terminal is arranged side by side by plate face with respect in the form of plate face, The signal terminal of each pair of signal terminal pair also has the tail portion edge of the tail portion and two signal terminals extended by its extension respectively The front-rear direction is staggered, and each ground terminal also has alternate each other there are two being extended respectively by its extension and being located at front and back position Every tail portion；And

One circuit board, the contact with multiple tail portions for being separately connected the multiple terminal and multiple ground holes, it is the multiple to connect Ground hole, which is set to, to be correspondingly connected between two contacts of two tail portions of intermediate ground terminal.

16. arrangements of electric connection as claimed in claim 15, wherein the multiple ground hole is distributed along the front-rear direction.

17. arrangements of electric connection as claimed in claim 16, wherein the multiple ground hole be plate metal perforation and with the circuit The ground path of plate is electrically connected.

18. arrangements of electric connection as claimed in claim 17, wherein the multiple ground hole is three.

19. arrangements of electric connection as claimed in claim 17, wherein the multiple contact is perforation, the tail portion of the multiple terminal For stitch shape and it is inserted into corresponding contact and is welded and fixed.

20. arrangements of electric connection as claimed in claim 15, wherein the extension of each ground terminal is transverse to its extending direction Plate face width is transverse to the plate face width of its extending direction, and the two of each ground terminal more than the extension of each signal terminal Tail portion is more than two tail portions of each pair of signal terminal pair in the distance in the front-back direction in the distance in the front-back direction.

21. arrangements of electric connection as claimed in claim 20, wherein the first end subgroup also includes a second end subgroup and one Three terminal groups, the number of terminals and signal terminal of the second end subgroup and the configuration of ground terminal and the first terminal faciation are same, And each terminal of the second end subgroup also has a tail portion extended by its extension, each terminal of third terminal group is also The tail portion extended by its extension with one.

22. arrangements of electric connection as claimed in claim 21, wherein the fixation of the terminal of the second end subgroup and third terminal group Portion and extension is plate-like and the multiple terminal is arranged side by side by plate face with respect in the form of plate face, the second end subgroup and this The extension of each terminal of three terminal groups is equipped with the elongated perforation that at least one extending direction along the extension extends.

23. arrangements of electric connection as claimed in claim 22, wherein the fixed part of each terminal of the first end subgroup is opened equipped with one Hole.

24. arrangements of electric connection as claimed in claim 23, wherein the insulating body further includes one second socket unit, this second Socket unit is located at below first socket unit and construction is identical as the first socket unit；The electric connector is also set to comprising one The second end subgroup of second socket unit, the terminal construction and configured in one piece of the second end subgroup are identical as first end subgroup, But the extension of the terminal of second end subgroup does not have elongated perforation, the extension of the terminal of the first end subgroup and tail portion difference Positioned at the extension of the terminal of the second end subgroup and the rear of tail portion.

25. arrangements of electric connection as claimed in claim 24, wherein the electric connector also includes multiple metallic ground parts, and being set to should The first end subgroup of first end subgroup and the earthing member of second end subgroup are respectively three, are set to the first end of the second end subgroup The earthing member of subgroup and second end subgroup is respectively two, and each earthing member is integrally including a horizontal socket part and three respectively by the cross The engaging portion that socket part extends, the multiple engaging portion is buckled in the extension of the ground terminal of corresponding end subgroup respectively and this horizontal connects Portion is vacantly across two pairs of signal terminals pair of corresponding end subgroup.

26. arrangements of electric connection as claimed in claim 25, wherein for each engaging portion tool there are two clamp arm, which has bullet Property and protrude free end is opposite, i.e. spacing between two clamp arm is smaller in free end, the extension of each ground terminal Equipped with multiple holding units for corresponding to the multiple earthing member respectively, each holding unit includes one first fastening part and one second Fastening part, first fastening part is for the free end holding of two clamp arm of corresponding engaging portion, and second fastening part is for corresponding button Holding between the fixing end of two clamp arm of socket part.

27. arrangements of electric connection as claimed in claim 26, wherein each of first end subgroup of first, second terminal group connects First fastening part of each holding unit of ground terminal is a button hole for being opened in the extension, which is one by this The recessed recess in extension lateral margin, each holding unit of each ground terminal of the second end subgroup of first, second terminal group The first fastening part and the second fastening part be respectively by the recess of the two opposite sides edge of extension formation recessed in opposite directions.

28. arrangements of electric connection as claimed in claim 20, wherein the electric connector also includes multiple metallic ground parts, each other phase Compartment of terrain is buckled in the extension of the ground terminal of the first end subgroup, and each earthing member includes integrally a horizontal socket part and three points The engaging portion not extended by the horizontal socket part, three engaging portion of each earthing member are buckled in three ground terminals respectively Extension and the horizontal socket part vacantly across two pairs of signal terminals pair.

29. arrangements of electric connection as claimed in claim 28, wherein for each engaging portion tool there are two clamp arm, which has bullet Property and protrude free end is opposite, i.e. spacing between two clamp arm is smaller in free end, the extension of each ground terminal Equipped with multiple holding units for corresponding to the multiple earthing member respectively, each holding unit includes one first fastening part and one second Fastening part, first fastening part is for the free end holding of two clamp arm of corresponding engaging portion, and second fastening part is for corresponding button Holding between the fixing end of two clamp arm of socket part.