EP3391474B1 - Buchsenkontakt mit seitlichen haltelamellen für steckerkontakt und verbindungsanordnung mit derartigen buchsen- und steckerkontakten - Google Patents

Buchsenkontakt mit seitlichen haltelamellen für steckerkontakt und verbindungsanordnung mit derartigen buchsen- und steckerkontakten Download PDF

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Publication number
EP3391474B1
EP3391474B1 EP16810358.8A EP16810358A EP3391474B1 EP 3391474 B1 EP3391474 B1 EP 3391474B1 EP 16810358 A EP16810358 A EP 16810358A EP 3391474 B1 EP3391474 B1 EP 3391474B1
Authority
EP
European Patent Office
Prior art keywords
contact
cage
top wall
tongue
side walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16810358.8A
Other languages
English (en)
French (fr)
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EP3391474A1 (de
Inventor
Houssem Eddine MILED
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptiv Technologies Ltd
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Aptiv Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aptiv Technologies Ltd filed Critical Aptiv Technologies Ltd
Publication of EP3391474A1 publication Critical patent/EP3391474A1/de
Application granted granted Critical
Publication of EP3391474B1 publication Critical patent/EP3391474B1/de
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the invention relates to the field of electrical connectors and, in particular, electrical connectors for motor vehicles.
  • the connectors and in particular, those mounted on internal combustion engines, can be subjected to strong vibrations (for example 60G at 1000Hz). It is therefore important that the male and female contacts of these connectors can maintain an electrical contact that is as low resistive as possible over time, that they are not the source of electric arcs or excessive heating and that they are not the seat of corrosion by friction ("fretting corrosion" according to the English terminology).
  • the cage has essentially a parallelepipedal shape open at each of the mating and fixing ends, to form a tube with four walls. It therefore comprises a lower wall, an upper wall and two side walls extending between the lower and upper walls. These lower, upper and side walls define an internal space suitable for receiving and housing the tongue of a male contact introduced through the opening of the matching end.
  • the upper and lower walls each comprise at least one contact blade, elastic and extending, from the cage towards a free end, transversely with respect to the longitudinal direction.
  • the sleeve envelops, from the outside of the cage, at least partially the lower, upper and side walls.
  • the contact blades exert pressure on the main faces of the tongue (essentially parallel to the upper and lower walls of the cage), to establish between them a electric contact.
  • the tongue can be caused under the effect of vibrations to move and oscillate between the contact blades, in a plane parallel to the lower and upper walls. Such movements can be the cause of a degradation in the quality of the electrical contact between the male and female contacts thus connected.
  • An object of the invention is to at least partially overcome this problem and to increase the persistence over time of a good quality of contact between the male and female contacts.
  • a female electrical contact of the type of that described above is produced, with a sleeve, in which at least one of the side walls comprises at least one retaining blade.
  • This retaining blade is elastic and cut in a side wall. It remains attached to the side wall in which it is cut at a junction. This junction is closer to the mating end than to the attachment end.
  • the retaining blade extends from the junction to a free end located closer to the attachment end than to the mating end. The free end protrudes into the internal space.
  • the contact comprises a sleeve enveloping, through the outside of the cage, at least partially the lower, upper and side walls.
  • Each retaining blade has a pressure zone bearing on the sleeve when a male contact tab is housed in the cage.
  • each lateral retaining blade cooperates elastically with an edge of the tongue of the male contact, in order to limit its movements in the female contact in which it is housed.
  • each retaining strip can cooperate with an edge (essentially perpendicular to the main faces) of the tab of the male contact, in order to limit, in the cage, its movements parallel to the lower and upper walls.
  • connection assembly can for example comprise an electrical connector and a counter-connector comprising respectively a female electrical contact according to the invention, with two retaining blades, and a male electrical contact having a tab with one dimension, perpendicular to the direction. longitudinal and parallel to the lower and upper walls, less than the corresponding internal dimension of the cage, and greater than the distance between the free ends of the retaining blades (when they are not constrained, before insertion of the tongue into the cage ).
  • connection assembly optionally comprises a tongue having the shape in cross section of a flattened parallelepiped, and the retaining blades each bear respectively on an edge of the tongue corresponding to the short side of this parallelepiped.
  • connection assembly 100 shown in figure 1 comprises a female contact 1 and a male contact 2 (of which only the tongue 3 is shown in the figures).
  • the female contact 1, alone or with other contacts can be housed in a connector housing (not shown) of electrically insulating material.
  • the male contact 2, alone or with other contacts can be housed in a housing of a counter-connector (not shown) made of electrically insulating material, adapted to mate with the connector comprising the female contact 1. .
  • the female 1 and male 2 contacts are coupled, or paired, electrically and mechanically by inserting the tab 3 into the cage 4 of the female contact 1, in an insertion direction essentially parallel to the longitudinal direction L of the male 2 and female 1 contacts. .
  • the female contact 1 also comprises a fixing portion 5 extending the cage 4, towards the rear of the latter, in the longitudinal direction L.
  • the fixing portion 5 is suitable in this case to receive and crimp the end of a cable (not shown).
  • the female contact 1 also includes a protective sleeve 6.
  • the cage 4 is obtained by stamping and bending a sheet of conductive material (copper or aluminum or an alloy of these metals for example).
  • the sleeve 6 is also obtained by stamping and bending a sheet of conductive material (steel for example).
  • the cage 4 has essentially a parallelepipedal shape. It extends longitudinally parallel to the direction L between a matching end 7, towards the front, and a fixing end 8, towards the rear.
  • the cage 4 forms (without taking into account the cutouts in the walls) a tube whose cross section is essentially rectangular. This tube therefore has essentially four walls: a lower wall 9, an upper wall 10 and two side walls 11. It is open at each of its longitudinal ends 7 and 8. On the side of the matching end 7, it has a opening through which the tongue 3 of a male contact 2 can be inserted.
  • the lower 9, upper 10 and side walls 11 thus define an internal space suitable for receiving and accommodating the tongue 3.
  • the cage 4 is formed in a single piece, by folding, parallel to the longitudinal direction L, a shape cut by stamping and by bringing the edges of the stamping blank, one towards l 'other, substantially at the level of a median junction line 12 of the upper wall 10 of the cage 4.
  • the junction line 12 is partly covered with a continuous portion 24 of the sleeve 6 (see figure 1 ). extending above and parallel to the upper wall 10 of the cage 4. This continuous portion 24 is folded back on either side of the latter parallel to the side walls 11. It helps to prevent the edges of the cage 4 do not deviate.
  • the upper 12 and lower 9 walls each comprise two elastic contact blades 13 and extending, from the cage 4 towards a free end 14, transversely with respect to the longitudinal direction L.
  • the contact blades 13 corresponding to the upper 10 and lower 9 walls are linked to the cage at the level of the side walls 11. It can be seen that relatively wide cutouts are made around these contact blades 13.
  • a certain elasticity is imparted to the cage 4 which makes it possible to damp part of the energy of the vibrations and limits any relative displacements between the tongue 3 and the contact blades 13.
  • this elasticity ensures good resistance to vibrations, at the same time good performance electric.
  • the contact blades 13 comprise at their free end 14, an edge 15 between two surfaces forming an acute angle with a plane parallel to the lower 9 and upper walls 10.
  • Each edge 15 is essentially tangent to a straight line parallel to the direction longitudinal L.
  • Each edge 15 thus allows the contact blades 13 to bite into the material constituting the tongue 3, when it is inserted into the cage 4, which thus contributes to establishing the least resistive electrical contact possible between the blades contact 13 and the tongue 3.
  • each edge 15 makes it possible to better anchor the tongue 3 between the contact blades 13 and to exert on the tongue 3 a frictional force tending to limit as much as possible the relative displacement of the tongue 3 with respect to the cage 4 in a plane parallel to the upper 10 and lower 9 walls.
  • the side walls 11 each comprise a retaining strip 16, resiliently cut from a side wall to which it remains attached at a junction 17.
  • Each retaining strip 16 therefore extends from a junction 17 towards one end. free 18.
  • Each retaining blade 16 is folded back towards the rear of the cage 4, that is to say towards the fixing end 5, in order to facilitate the insertion of the tongue 3 into the cage 4 from opening corresponding to the matching end 7.
  • the retaining blades 16 extend generally transversely in the internal space of the cage 4, up to possibly almost meet in the center thereof.
  • the length and shape of the retaining blades 16 make it possible to adapt to many shapes of tabs 3, whether these have parallel edges 19, as on the figure 6A or bevelled as on the figure 6B .
  • Each side wall 11 has a window 20 corresponding to the portion of the cage 4 cut to form a respective retaining blade 16.
  • Each retaining blade 16 has, in longitudinal section, parallel to the lower 9 and upper 10 walls, an “S” shape. As shown on figure 5 , a portion of this "S” shape is intended to come into contact with a longitudinal edge 19 of the tongue 3, when the latter is introduced into the cage4. Another portion of this "S” shape is intended to come into contact with the internal face of the sleeve 6. This last portion of the "S” shape forms a pressure zone bearing on the sleeve 6 when a male contact tab 3 2 is housed in cage 4.
  • retaining blades 16 guide and hold tab 3 in cage 4, but they limit, on the one hand, transverse movements (in a parallel plane to the upper 10 and lower walls 9) of the tab 3 relative to the cage 4 and, on the other hand, the movements of the cage 4 relative to the sleeve 6.
  • the pressure of the retaining blades 16 on the internal face of the sleeve 6 increases the force exerted by the blades retainer 16 on tab 3, thus contributing to better retention of tab 3 in cage 4.
  • the sleeve 6 comprises two ramps 21.
  • Each ramp 21 is folded towards the internal space of the cage 4 at its mating end 7. They guide the tongue 3 during its introduction into the cage 4.
  • These ramps 21 make it possible to attach the sleeve 6 in the cage 4 and to block the movement of the cage 4 in the sleeve 6, in the longitudinal direction L.
  • these ramps 21 can each form a support point also contributing to limit the transverse displacement (in a plane parallel to the upper 10 and lower 9 walls) of the tongue 3 with respect to the cage 4.
  • the sleeve 6 also comprises, on its internal face, ribs 22 interfering with the external surface of the side walls 11 of the cage 4, and also contributing to limit the transverse displacement (in a plane parallel to the upper walls 10 and lower 9) of the tab 3 in relation to the cage 4.
  • the retaining blades 16 it is possible to reduce the transverse relative displacements of the tongue 3 in the cage 4 to 0.8 ⁇ m or less.
  • the average tongue width is approximately 1.2mm, and the cage width is 1.8mm.
  • each retaining strip 16 is folded back, substantially to half its length, by bringing its free end 18 through the window so that the latter is in contact with the internal surface of the sleeve 6 and build on it.
  • the curved portion (substantially in its middle) of each retaining blade 16 comes into contact with a longitudinal edge 19 of the tongue 3 when the latter is introduced into the cage 4. This shape may possibly contribute to giving more rigidity to the holding blades 16, compared to the previous embodiment.
  • each retaining blade 16 bears on the internal surface of the sleeve 6 by its free end 18 instead of a curved portion.
  • the free end 18 rests on the internal surface of the sleeve 6 at the level of an edge 23 biting into the material constituting the sleeve 6 and creating thus increased friction of the retaining blade 16 on the inner surface of the sleeve 6 when the tongue 3 tends to move transversely in a plane parallel to the upper 10 and lower 9 walls.
  • the female contact according to the invention can, thanks to the elasticity of the side blade (s), make it possible to accommodate several shapes and sizes of tabs 3 while retaining, or even by improving the performance when the female 1 and male 2 contacts are subjected to vibrations.
  • the female contact is not surrounded by a sleeve, and the female contact consists of a single piece, what has just been described above in relation to the sleeve 6 can be transposed to the surfaces internal of a box in which the female contact 1 is housed.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (9)

  1. Elektrischer Buchsenkontakt (1), welcher einen Käfig (4) umfasst, der sich in einer Längsrichtung erstreckt zwischen
    - einem Paarungsende (7), das mit einer Öffnung versehen ist, durch welche eine Zunge (3) eines Steckerkontakts (2) in den Käfig (4) eingeführt werden kann, und
    - einem Befestigungsende (8), von dem aus sich der Buchsenkontakt (1) durch einen Befestigungsabschnitt (5) verlängert, an welchem ein Kabel befestigt und elektrisch verbunden werden kann,
    wobei der Käfig (4) eine untere Wand (9), eine obere Wand (10) und zwei seitliche Wände (11), die sich zwischen der unteren (9) und der oberen (10) Wand erstrecken, umfasst, wobei diese untere (9), diese obere (10) und diese seitlichen (11) Wände einen inneren Raum begrenzen, der dafür eingerichtet ist, die durch die Öffnung eingeführte Zunge (3) eines Steckerkontakts (2) aufzunehmen und unterzubringen, wobei die obere (10) und die untere (9) Wand jeweils wenigstens eine Kontaktlamelle (13) umfassen, die elastisch ist und sich vom Käfig (4) aus zu einem freien Ende (14) hin erstreckt, quer bezüglich der Längsrichtung (L),
    dadurch gekennzeichnet, dass wenigstens eine der seitlichen Wände (11) wenigstens eine Haltelamelle (16) aufweist, die elastisch ist und aus einer seitlichen Wand (11) ausgeschnitten ist, an welcher sie an einer Verbindungsstelle (17) befestigt bleibt, die dem Paarungsende (7) näher ist als dem Befestigungsende (8), und die sich von der Verbindungsstelle (17) aus zu einem freien Ende (18) hin erstreckt, das dem Befestigungsende (8) näher ist als dem Paarungsende (7), wobei das freie Ende (18) in den inneren Raum vorsteht;
    und dadurch, dass der elektrische Buchsenkontakt eine Hülse (6) aufweist, die außerhalb des Käfigs (4) die untere (9) und die obere (10) Wand und die seitlichen (11) Wände wenigstens teilweise umhüllt, wobei jede Haltelamelle (16) einen Druckbereich aufweist, der sich an der Hülse (6) abstützt, wenn eine Zunge (3) eines Steckerkontakts (2) in dem Käfig (4) aufgenommen ist.
  2. Kontakt nach Anspruch 1, wobei die Hülse (6) zwei Schrägen (21), die jeweils zu den seitlichen Wänden (11) und dem inneren Raum des Käfigs (4) hin umgebogen sind, an dessen Paarungsende (7) aufweist.
  3. Kontakt nach einem der vorhergehenden Ansprüche, wobei die Kontaktlamellen (13), die der oberen (10) und unteren (9) Wand entsprechen, an ihrem freien Ende (14) eine Kante (15) zwischen zwei Flächen aufweisen, die einen spitzen Winkel mit einer Ebene bildet, die parallel zur unteren (9) und oberen (10) Wand ist.
  4. Kontakt nach einem der vorhergehenden Ansprüche, wobei die Kontaktlamellen (13), die der oberen (10) und unteren (9) Wand entsprechen, mit dem Käfig (4) an den seitlichen Wänden (11) verbunden sind.
  5. Kontakt nach einem der vorhergehenden Ansprüche, wobei der Käfig (4) aus einem Stück ausgebildet ist.
  6. Kontakt nach einem der vorhergehenden Ansprüche, wobei die obere Wand (10) des Käfigs (4) eine Berührungslinie (12) zwischen zwei Rändern eines umgebogenen Zuschnitts aufweist.
  7. Kontakt nach Anspruch 6, wobei die Berührungslinie (12) wenigstens teilweise von einem durchgehenden Abschnitt (24) der Hülse bedeckt wird, der sich über der oberen Wand (10) des Käfigs (4) und parallel zu dieser erstreckt und beiderseits von dieser parallel zu den seitlichen Wänden (11) umgebogen ist.
  8. Verbindungsanordnung, welche einen elektrischen Buchsenkontakt (1) nach einem der vorhergehenden Ansprüche, der zwei Haltelamellen (16) aufweist, und einen elektrischen Steckerkontakt (2) mit einer Zunge (3) mit einer Abmessung senkrecht zur Längsrichtung (L) und parallel zur unteren (9) und oberen (10) Wand, die kleiner als die entsprechende Innenabmessung des Käfigs (4) und größer als der Abstand zwischen den freien Enden (18) der Haltelamellen (16) ist, aufweist.
  9. Verbindungsanordnung nach Anspruch 8, wobei die Zunge (3) im Querschnitt die Form eines flachen Quaders hat und die Haltelamellen (16) sich jeweils auf einer kleinen Seite dieses Quaders abstützen.
EP16810358.8A 2015-12-17 2016-12-13 Buchsenkontakt mit seitlichen haltelamellen für steckerkontakt und verbindungsanordnung mit derartigen buchsen- und steckerkontakten Active EP3391474B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1562689A FR3045964B1 (fr) 2015-12-17 2015-12-17 Contact femelle avec lames laterales de maintien pour contact male et ensemble de connexion comportant de tels contacts femelle et male
PCT/EP2016/080791 WO2017102725A1 (fr) 2015-12-17 2016-12-13 Contact femelle avec lames latérales de maintien pour contact mâle et ensemble de connexion comportant de tels contacts femelle et mâle

Publications (2)

Publication Number Publication Date
EP3391474A1 EP3391474A1 (de) 2018-10-24
EP3391474B1 true EP3391474B1 (de) 2021-02-03

Family

ID=55646756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16810358.8A Active EP3391474B1 (de) 2015-12-17 2016-12-13 Buchsenkontakt mit seitlichen haltelamellen für steckerkontakt und verbindungsanordnung mit derartigen buchsen- und steckerkontakten

Country Status (7)

Country Link
US (2) US20180375241A1 (de)
EP (1) EP3391474B1 (de)
JP (1) JP2018537832A (de)
KR (1) KR20180093928A (de)
CN (1) CN108370112B (de)
FR (1) FR3045964B1 (de)
WO (1) WO2017102725A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI725721B (zh) * 2020-01-22 2021-04-21 凡甲科技股份有限公司 導電端子
TWI802862B (zh) * 2021-04-01 2023-05-21 華碩電腦股份有限公司 連接器組合、母頭連接器

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Publication number Priority date Publication date Assignee Title
US3660806A (en) * 1970-10-07 1972-05-02 Thomas & Betts Corp Connector
FR2749440B1 (fr) * 1996-06-03 1998-10-30 Framatome Connectors Int Borne de contact electrique femelle de type a cage renforcee
DE19734523C2 (de) * 1997-08-08 1999-07-29 Framatome Connectors Int Steckverbinderhülse
BR0116191A (pt) * 2000-12-07 2003-12-16 Framatome Connectors Int Contato fêmea em gaiola com um módulo porta-lâminas
JP2003022859A (ja) * 2001-07-06 2003-01-24 Japan Aviation Electronics Industry Ltd ソケットコンタクト
US6790101B1 (en) * 2003-07-15 2004-09-14 Molex Incorporated Female terminal with sacrificial arc discharge contacts
US6945830B2 (en) * 2003-10-20 2005-09-20 Tyco Electronics Corporation Connector system having opposing biasing beam and lance
JP2008140589A (ja) * 2006-11-30 2008-06-19 Yazaki Corp 雌型端子
DE102009030463A1 (de) * 2009-06-25 2010-12-30 Lapp Engineering & Co. Elektrischer Steckverbinder
JP5720507B2 (ja) * 2011-05-19 2015-05-20 住友電装株式会社 端子金具及びコネクタ
JP2014053076A (ja) * 2012-09-05 2014-03-20 Sumitomo Wiring Syst Ltd 雌型端子
CN203826623U (zh) * 2014-02-14 2014-09-10 萧至仁 中空端子结构
CN203942065U (zh) * 2014-07-07 2014-11-12 泰科电子(上海)有限公司 母型端子和电连接器
EP3240114B1 (de) * 2016-04-25 2019-01-23 Aptiv Technologies Limited Elektrische kontaktklemme und verfahren zur herstellung davon

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Title
None *

Also Published As

Publication number Publication date
JP2018537832A (ja) 2018-12-20
US20180375241A1 (en) 2018-12-27
US20200076106A1 (en) 2020-03-05
CN108370112B (zh) 2020-05-12
WO2017102725A1 (fr) 2017-06-22
FR3045964B1 (fr) 2018-06-15
KR20180093928A (ko) 2018-08-22
EP3391474A1 (de) 2018-10-24
FR3045964A1 (fr) 2017-06-23
CN108370112A (zh) 2018-08-03

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