CN103384034B - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN103384034B CN103384034B CN201210133870.7A CN201210133870A CN103384034B CN 103384034 B CN103384034 B CN 103384034B CN 201210133870 A CN201210133870 A CN 201210133870A CN 103384034 B CN103384034 B CN 103384034B
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- terminal
- electric connector
- coupling part
- terminals
- hole
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Abstract
The present invention discloses a kind of RJ45 electric connector (100), comprise the 3rd, the 6th terminal (23,26) for transmitting a pair differential signal and for transmit another to the 4th of differential signal, Five-terminals (24,25).3rd terminal (23) has laterally near the coupling part (235) of Five-terminals (25) lateral edges, the width in this coupling part (235) laterally direction is greater than the width in the 3rd terminal other parts laterally direction, and this coupling part (235) is provided with the through hole (2351) facing the 4th terminal (24).Widening and offer through hole (2351) on coupling part by coupling part (235), in order to reduce the crosstalk between the 3rd to the 6th terminal, makes it meet association criterion.
Description
[technical field]
The present invention relates to a kind of electric connector, particularly relate to the electric connector reducing crosstalk between conducting terminal.
[background technology]
The CN2800525Y Chinese utility model patent that on July 26th, 2006 is announced is the stacking electric connector of one (the RJ Over USB) patent that the applicant applies for.This patent specification discloses the RJ45 connector for CAT-3 network, and 8 conducting terminals of this RJ45 connector are one time punching molded, and only need once mounting on insulating part.Along with the rising of network transmission speed, the near-end cross (Near End Crosstalk) between RJ45 terminal also followed by rising, and in order to meet such as CAT-5 and above network, the crosstalk reduced between terminal becomes industry urgent problem.
The US6 that on September 19th, 2000 is announced, 120,329 US Patent specification, disclose the technical scheme solving the crosstalk of RJ45 terminal member.Prior art, the 3rd terminal (pin3) and Five-terminals (pin6) transmit a pair differential signal, and the 4th terminal (pin4) and the 6th terminal (pin6) transmit a pair differential signal.See US6,120, shown in 329 United States Patent (USP) accompanying drawing FIG.1A, the 3rd terminal (pin3) of RJ45 conducting terminal is laterally close with Five-terminals (pin5), and the 4th terminal (pin4) is laterally close with the 6th terminal (pin6).Assuming that the crosstalk between pin3 and pin4 is crosstalk between a, pin3 and pin5 is b, because the distance of pin3 and pin4 is nearer, thus the crosstalk (a-b) that a value shows with difference form like this much larger than b Zhi ﹐ just greatly.Make b value Zeng Jia ﹐ by laterally closer pin3 and pin5 ﹐ thus the value of (a-b) is reduced.But the terminal fixing part that this patent specification discloses is less, can not keep the normal pressure of terminal, and terminal needs repeatedly to install and just can be mounted in the holding slot of insulating body.
[summary of the invention]
Technical problem to be solved by this invention is: provide a kind of modified node method reducing crosstalk between RJ45 conducting terminal.
In order to solve the problem, the invention provides a kind of electric connector, it comprises forming eight conducting terminals of four differential signal channel and being provided with the strutting piece of the fixing each conducting terminal of fluting, described eight terminals are the first to the 8th terminal be arranged in order along horizontal cross, wherein first and second, 3rd and the 6th, 4th and the 5th, 7th and the 8th terminal is respectively in order to transmit a pair differential signal, each conducting terminal all has in order to the contact site with butt connector conductive contact, for being connected to the terminal part of external equipment, and connect contact site and terminal part and be fixed on the connecting portion of strutting piece, wherein the terminal part of the 3rd terminal and Five-terminals is in and samely laterally arranges, the terminal part of the 4th terminal and the 6th terminal is in another and laterally arranges, the connecting portion of described 3rd terminal is provided with the coupling part laterally turned to Five-terminals, the coupling part of the 3rd terminal and the fixed part of the 4th terminal are individually fixed in the top and bottom of same fluting, the coupling part transverse width of the 3rd terminal is greater than the transverse width of the 4th terminal fixing part.
Relative to prior art, the coupling part transverse width of the 3rd terminal is greater than the transverse width of the 4th terminal holding portion, can the low crosstalk of a nearlyer step-down (the 3rd terminal is nearer near Five-terminals), and the top and bottom that the fixed part of the coupling part of the 3rd terminal and the 4th terminal is individually fixed in same fluting ensure that the installation of terminal is stablized.
As a further improvement on the present invention, the coupling part of described 3rd terminal is provided with one and faces the 4th terminal through-hole.By the 3rd terminal perforate, reduce being coupled between the 3rd terminal with the 4th terminal, reduce crosstalk further.
As a further improvement on the present invention, the coupling part of described 3rd terminal also has the cross rib described through hole being separated into some through holes.It is corresponding with the interference part of the 3rd terminal that cross rib is set, the intensity of the 3rd terminal can be ensured.
As a further improvement on the present invention, the described coupling part of the 3rd terminal and the distance of Five-terminals horizontal direction are less than or equal to 0.43mm.Through testing electrical property analysis, draw the 3rd and the distance of Five-terminals be less than or equal to 0.43mm just disturbs (Near End Crosstalk) standard by association's near-end.
[accompanying drawing explanation]
Fig. 1 is perspective view of an embodiment of the present invention.
Fig. 2 is the disassembly diagram of electric connector shown in Fig. 1.
Fig. 3 is the stereogram of terminal shown in Fig. 2.
Fig. 4 is the stereogram at another visual angle of terminal shown in Fig. 3.
Fig. 5 is the front view of terminal shown in Fig. 3.
Fig. 6 is the end view of terminal shown in Fig. 3.
Fig. 7 is the stereogram of the module of terminal shown in Fig. 2.
Fig. 8 is another view stereo figure of the module of terminal shown in Fig. 3.
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
[embodiment]
Be electric connector 100 according to the invention as shown in figures 1 to 6.
As shown in Figure 1-2, described electric connector 100 comprises an insulating body 1, is contained in the terminal module of insulating body 1 and is surrounded on the metal screen case 4 outside insulating body.The strutting piece 3 that described terminal module comprises an insulation further and eight conducting terminals 2 be installed on strutting piece.
As seen in figures 3-6, described eight conducting terminals 2 comprise the first terminal 21 that is arranged in order along horizontal cross to the 8th terminal 28.The first, the vertical portion 211,231,251,271 of the 3rd, the 5th, the 7th terminal is positioned on same row.The second, the vertical portion 221,241,261,281 of the 4th, the 6th, the 8th conducting terminal is positioned on another row.Three, the 6th terminal 23,26 all extends horizontal part 232,262 after its vertical portion 231,261 forward fold, then continues to extend upward forward the contact site 233,263 with butt connector (not shown) conductive contact from horizontal part 232,262.First, second, the 4th, the 5th, the 7th, the 8th terminal all extend horizontally away horizontal part 212,222,242,252,272,282, then extends downwards backward and the contact site 213,223,243,253,273,283 docking terminal (not shown) conductive contact from horizontal part after its vertical portion 211,221,241,251,271,281 forward fold.The horizontal part 232,262 of described 3rd, the 6th terminal is lower than the horizontal part 212,222,242,252,272,282 of other terminal.The contact site 233,263 of described 3rd, the 6th terminal is contrary with contact site 213,223,243,253,273, the 283 free end bearing of trend of other terminal.
First, second terminal the 21,22, the 3rd, the 6th terminal the 23,26, the 4th, Five-terminals the 24,25, seven, the 8th terminal 27,28 transmit a pair differential signal respectively.The vertical portion 231 of the 3rd terminal is provided with to the laterally close coupling part 235 of Five-terminals 25 lateral edges, and the transverse width of this coupling part 235 is greater than the transverse width of the 3rd terminal 23 other parts.The vertical portion 261 of the 6th terminal 26 is provided with to the laterally close coupling part 265 of the 4th terminal 24 lateral edges, and the transverse width of this coupling part 265 is greater than the transverse width of the 6th terminal 26 other parts.The described coupling part 235 of the 3rd terminal 23 and the distance of Five-terminals 25 horizontal direction are less than or equal to 0.43mm, and the coupling part 265 of the 6th terminal 26 and the distance of the 4th terminal 24 horizontal direction are less than or equal to 0.43mm.The coupling part 235,265 of described 3rd terminal 23 and the 6th terminal 26 is equipped with through hole 2351,2651 along the longitudinal direction, through hole 2351 and the 4th terminal 24 of described 3rd terminal are just right in the longitudinal direction, and the through hole 2352 of the 6th terminal and Five-terminals 25 are in the longitudinal direction just to (Fig. 5).4th terminal 24 appropriate section is accommodated in wherein (Fig. 5) along the projection of butt connector direction of insertion by the through hole 2351 of the 3rd terminal.The coupling part 235,265 of described 3rd, the 6th terminal is equipped with and through hole 2351,2361 is divided into tetrameric three cross ribs 2352,2652, and these cross ribs protrude boss 2353,2653 all in left-right direction.Described first, second, the 4th, the 5th, the 7th, the vertical portion of the 8th terminal is equipped with the some boss (non-label) laterally protruded.These described boss are used for and strutting piece 3 interference engagement, and the lower end of all terminal vertical portions is provided with and is mounted to a external circuit board (not shown) terminal part (non-label).
As Figure 7-8, first and second, four, five, seven, eight terminals take shape in a material strip, be then pressed into from front to back strutting piece 3 each before in fluting.3rd terminal 23 takes shape in another material strip, and is pressed into from front to back in the same front fluting 31 of the 4th terminal 24 collecting.The coupling part 235 of the 3rd terminal 23 and the fixed part (vertical portion 241) of the 4th terminal 24 be individually fixed in before slot 31 top and bottom, coupling part 235 transverse width of the 3rd terminal 23 is greater than the transverse width of the 4th terminal vertical portion 241.6th terminal 26 takes shape in another material strip, and is pressed in the rear fluting 32 of strutting piece from back to front, to which form Terminals Die group.Then being inserted by terminal module is mounted in the rear end host cavity 10 of insulating body 1, finally metal screen case 4 cover is set to the assembling completing electric connector 100 outside insulating body 1.
Relative to prior art, the present invention gets through hole 2351 after being widened by the coupling part 235,265 of the 3rd, the 6th terminal, 2651, the crosstalk between terminal can be reduced, make it meet the standard of the near-end cross (near end crosstalk) of such as Cat-5 standard.3rd terminal 23 and the 4th terminal 23 be installed on same before slot in 31, and by through hole 2351,2651 centres add the confining force that cross rib 2352,2652 can ensure terminal and strutting piece 3 interference engagement.Terminal module is integrally mounted in insulating body 1, and installation process is simple.
Claims (10)
1. an electric connector, it comprises forming eight conducting terminals of four differential signal channel and being provided with the strutting piece of the fixing each conducting terminal of fluting, described eight terminals are the first to the 8th terminal be arranged in order along horizontal cross, wherein first and second, 3rd and the 6th, 4th and the 5th, 7th and the 8th terminal is respectively in order to transmit a pair differential signal, each conducting terminal all has in order to the contact site with butt connector conductive contact, for being connected to the terminal part of external equipment, and connect contact site and terminal part and be fixed on the connecting portion of strutting piece, wherein the terminal part of the 3rd terminal and Five-terminals is in and samely laterally arranges, the terminal part of the 4th terminal and the 6th terminal is in another and laterally arranges, it is characterized in that: the connecting portion of described 3rd terminal is provided with the coupling part laterally turned to Five-terminals, the coupling part of the 3rd terminal and the connecting portion of the 4th terminal are individually fixed in the top and bottom of same fluting, the coupling part transverse width of the 3rd terminal is greater than the transverse width of the 4th terminal connection part.
2. electric connector as claimed in claim 1, is characterized in that: the coupling part of described 3rd terminal is provided with the through hole that faces the 4th terminal.
3. electric connector as claimed in claim 2, is characterized in that: the coupling part of described 3rd terminal also has the cross rib described through hole being separated into some through holes.
4. electric connector as claimed in claim 2, is characterized in that: described through hole is right against the 4th terminal, and the 4th terminal appropriate section is accommodated in wherein along the projection of butt connector direction of insertion by through hole.
5. electric connector as claimed in claim 1, is characterized in that: the transverse width in described 3rd coupling terminals portion is greater than the transverse width of the 3rd terminal other parts.
6. electric connector as claimed in claim 1, is characterized in that: the connecting portion of described 6th terminal is provided with the coupling part laterally turned to the 4th terminal.
7. electric connector as claimed in claim 6, is characterized in that: the coupling part of described 6th terminal is provided with the through hole facing Five-terminals.
8. electric connector as claimed in claim 6, it is characterized in that: the described coupling part of the 3rd terminal and the distance of Five-terminals horizontal direction are less than or equal to 0.43mm, the coupling part of the 6th terminal and the distance of the 4th terminal horizontal direction are less than or equal to 0.43mm.
9. electric connector as claimed in claim 1, it is characterized in that: described fluting comprises the front-back grooving being arranged at both sides before and after strutting piece, the 6th terminal is installed on rear fluting, and other terminal is installed on front fluting.
10. the electric connector as described in claim 1 to 9 any one, is characterized in that: described electric connector also comprises the insulating body being provided with host cavity, and is surrounded on the shielding part outside insulating body, and described strutting piece is fixed in the host cavity of insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133870.7A CN103384034B (en) | 2012-05-03 | 2012-05-03 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133870.7A CN103384034B (en) | 2012-05-03 | 2012-05-03 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103384034A CN103384034A (en) | 2013-11-06 |
| CN103384034B true CN103384034B (en) | 2015-10-07 |
Family
ID=49491771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210133870.7A Active CN103384034B (en) | 2012-05-03 | 2012-05-03 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103384034B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979653A (en) * | 2014-04-02 | 2015-10-14 | 凡甲电子(苏州)有限公司 | Network socket connector |
| CN109980390B (en) * | 2017-12-28 | 2021-01-29 | 泰科电子(上海)有限公司 | Connector with a locking member |
| CN113381244B (en) * | 2020-02-25 | 2022-08-02 | 杭州海康威视数字技术股份有限公司 | Net gape female terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2800525Y (en) * | 2005-04-19 | 2006-07-26 | 富士康(昆山)电脑接插件有限公司 | Module connector |
| CN201623295U (en) * | 2010-01-27 | 2010-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN102113182A (en) * | 2008-07-28 | 2011-06-29 | 罗格朗Snc公司 | Insert and method of assembling such an insert |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7976348B2 (en) * | 2008-05-07 | 2011-07-12 | Ortronics, Inc. | Modular insert and jack including moveable reactance section |
-
2012
- 2012-05-03 CN CN201210133870.7A patent/CN103384034B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2800525Y (en) * | 2005-04-19 | 2006-07-26 | 富士康(昆山)电脑接插件有限公司 | Module connector |
| CN102113182A (en) * | 2008-07-28 | 2011-06-29 | 罗格朗Snc公司 | Insert and method of assembling such an insert |
| CN201623295U (en) * | 2010-01-27 | 2010-11-03 | 番禺得意精密电子工业有限公司 | Electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103384034A (en) | 2013-11-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |