EP1057228B1 - Kontaktbuchse eines elektrischen steckverbinders - Google Patents

Kontaktbuchse eines elektrischen steckverbinders Download PDF

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Publication number
EP1057228B1
EP1057228B1 EP99904934A EP99904934A EP1057228B1 EP 1057228 B1 EP1057228 B1 EP 1057228B1 EP 99904934 A EP99904934 A EP 99904934A EP 99904934 A EP99904934 A EP 99904934A EP 1057228 B1 EP1057228 B1 EP 1057228B1
Authority
EP
European Patent Office
Prior art keywords
connection element
sleeve
contact pin
stud
max
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.)
Expired - Lifetime
Application number
EP99904934A
Other languages
English (en)
French (fr)
Other versions
EP1057228A1 (de
Inventor
Jean-Bernard Paul Despouys
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.)
Radiall SA
Original Assignee
Radiall SA
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 Radiall SA filed Critical Radiall SA
Publication of EP1057228A1 publication Critical patent/EP1057228A1/de
Application granted granted Critical
Publication of EP1057228B1 publication Critical patent/EP1057228B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the present invention relates to a contact pin of an electrical connector.
  • Multi-pin electrical connectors usually have a large number of contact pins that include a connection end intended for cooperate with the connecting end of a contact pin of a connector associated multi-pin and a connecting end for receiving a driver of electric cable welded, brazed or wound on said end.
  • connection front and rear parts In such contact pins, a problem arises for the connection front and rear parts, knowing that this connection must be made in a simple way and fast and must provide a good electrical contact by introducing the minimum of disturbances in the electrical signal transmitted by the spindle.
  • the present invention aims to provide a new contact pin made of two parts that constitutes an original solution to the problem above.
  • a spindle of contact of an electrical connector comprising a body, a connection element and a sleeve, the connection element being held in the extension of the body by coupling with a pin protruding from the front face of the body, the sleeve being disposed around the connection element and held on the body by clamping a portion ring of the latter.
  • the present invention relates to a contact pin of this type, characterized in that the connecting element comprises, on the pion side, a end of coupling with the pin, shaped in such a way that the piece can not not register within the cross-section of said coupling end, the connecting element being able to deform elastically to allow its end of coupling to engage on the pin, said connection element and deformed that can not fit within the cross-section of the sleeve, and the fact that the sleeve and the pin are separated by a clearance greater than the thickness of the wall of the coupling end of the connection element.
  • the element of connection is trapped between the integral pawn of the body and the sleeve in conditions such that said connecting element is elastically constrained by the pin and by the sleeve.
  • the sleeve is also firmly secured to the body by a force fit on an annular portion of the body, it follows that the connection mechanical connection between the connection element and the rest of the contact pin is particularly reliable.
  • connection element since the connection element has not been in place between the pin and the sleeve, that elastic deformations, the forces that on the one hand, between the connection element and the sleeve and on the other hand, between the connecting element and the pin are due to the elastic return of the connection element.
  • connection element undergoes no deformation plastic which would reduce the forces that it exerts by elastic return on the sleeve and on the pawn.
  • Another essential advantage of the contact pin according to the invention is to allow relatively wide manufacturing tolerances, since the elasticity of the connection element makes it possible to catch up to a large extent the defects of dimensioning between parts.
  • connection element is dimensioned to be able to slide freely in the sleeve before having undergone the deformation resulting from the fitting of its coupling end on the pin.
  • connection element has a longitudinal slot that allows it to move from a closed position in which both edges of said slot touch to an open position in which the two edges of said slot are spaced from each other, this open position resulting from the deformation said connecting element.
  • connection element is in its closed position before to have undergone the deformation resulting from the fitting of its coupling end on the pawn.
  • connection element After placing the sleeve, the connection element finds a position close to its closed position, the two edges of its slot being almost contiguous. This which has the consequence that the connection element, once in place in the spindle of contact, can maintain a stable shape, even after a significant number of connections / disconnections, since only its interface part itself is deforms elastically.
  • the body, the connecting element and the sleeve of the spindle according to the invention are parts substantially of revolution.
  • the coupling end of the connecting element has a circular cross section of inner diameter less than the inside diameter of the circular cross section of the rest of the element of connection.
  • the present invention also relates to a method of mounting a contact pin as described above.
  • Such a method is characterized by the fact that it consists in inserting the end coupling of the connection element to the pin of the body of the pin, then to present the sleeve in alignment with the deformed connecting member, the sleeve being kept in a sheath whose inner dimensions match substantially to the outer dimensions of the sleeve, to engage the retained sleeve in the sleeve around the connecting element in a translation movement until the sleeve has completely covered the connection element, then to move the sleeve into the sheath while keeping it still to bring said sleeve by axial translation on the annular portion of the body, before removing the scabbard.
  • This process has the essential advantage that it comprises only operations axial translation, which facilitates its automation.
  • the contact pin 1 shown in FIG. 1 comprises a body 2, a connecting element 3 and a sleeve 4.
  • the body is extended to the left by a branch end (no represented) which may have different forms for connection to a cable conductor. It can be a crimp barrel, a wrapping exit (or winding) the driver, or a pin output for a printed circuit board.
  • the body 2 In contrast to its branch end, the body 2 has a flange 5 of large diameter which borders an annular portion 6 of smaller diameter provided to ensure the retention of the sleeve 4.
  • a pin 8 of circular section and of diameter D P less than that of the annular portion 6 is provided to receive the element of connection.
  • the body 2 is made of brass which is an inexpensive material.
  • connection element 3 which is better visible in FIGS. 2 to 6, is is substantially in the form of a tube having a longitudinal slot 9.
  • connection element 3 In its closed position shown in Figures 2 to 6, 7A and 8A, that is to say in its position in which the two edges 10 of its longitudinal slot 9 are touching, the connection element 3 has an outer diameter D Text slightly less than the inside diameter D s of the sleeve, so that the connection element can, in its closed position, slide freely in the sleeve.
  • the element connection 3 has four slots 11 which separate four elastic fingers 12 folded in the direction of the axis of the connection element, intended to constitute a female interface connecting with a corresponding male contact pin (not shown).
  • connection element 3 comprises a coupling end 13 with the pin 8 of the body.
  • This coupling end 13 has a circular cross-section of inner diameter (D Tint ) less than the inside diameter of the circular cross-section of the rest of the body.
  • this coupling end 13 is better visible on the FIGS. 2 to 4 show a cutout 14 made in the wall of the element of connection, leaves on the rear face 15 a ring portion of which both ends 16 are deformed towards the inside of the connection element.
  • connection element has the same thickness over its entire length, including at its coupling end 13.
  • connection element for a cylindrical volume which is materialized by a circle represented in lines interrupted, which is inscribed inside the cross section of the end coupling.
  • This circle has a diameter D Tint less than that D P of the pin 8 projecting from the front face of the body.
  • this pawn 8 can not fit inside the section cross-section of the coupling end when the connection element is closed position.
  • connection element 3 causes a deformation of the latter, which then takes an open position in which the two edges facing each other 10 of its slot 9 are distant from each other.
  • the connecting element 3 undergoes an increase in its external diameter, of a value equal to the difference D p - D Tint between the diameter of the pin 8 and that of the circle inscribed inside the section. crosswise of the coupling end 13.
  • the outer diameter of the coupling element is equal to D Text + D p -D Tint
  • the dimensions of the pin, the coupling element and the sleeve are chosen so that the diameter of the connecting element deformed by fitting on the pin is greater than the internal diameter D s of the sleeve.
  • connection element In order to avoid any creep of the pin, the connection element or the sleeve, so that the engagement of the sleeve around the connection element only results in a purely elastic deformation of the element of connection, the dimensions of the different components of the contact pin have been determined in such a way that the radial clearance (D s -D p ) / 2 existing between the pin and the inner wall of the sleeve is greater than the thickness e of the wall of the connection element.
  • connection element undergoes only elastic deformations and by elastic reaction exerts a radial pressure on the pin and the sleeve.
  • connection element stops the progression of the sleeve 17 and we continue to move the sleeve 4 axially by pushing it towards the body 2 with the aid of a pusher 18, which causes the radial expansion of the sleeve which engages force on the annular portion 6 of the body, until it comes to a stop against the flange 5.
  • the sleeve is thus firmly secured to the body.
  • connection element which has only undergone elastic deformation, is also firmly attached to the rest of the contact pin, on the one hand of its elastic contact with the sleeve, on the other hand, because of its elastic contact with the pawn.
  • connection element can easily be used to compensate for the manufacturing tolerances of the body, the pin of which has a diameter between D Pmin and D Pmax of the sleeve, the internal diameter of which may vary from D min to D smax and the connection element, whose outer diameter can range from D Text.min to D Tex.max , and whose coupling end may leave room for a cylindrical volume of diameter between D Tint .min and D Tint.max .

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (8)

  1. Kontaktbuchse eines elektrischen Steckverbinders, beinhaltend einen Rumpf (2), ein Verbindungselement (3) und eine Hülse (4), wobei das Verbindungselement in der Verlängerung des Rumpfes gehalten wird durch Kupplung mit einem von der Vorderseite des Rumpfes vorspringenden Kopf (8) und die Hülse um das Verbindungselement herum angeordnet und auf dem Rumpf durch Klammem eines ringförmigen Teils (6) des Letzteren gehalten ist, gekennzeichnet dadurch, daß das Verbindungselement (3) auf der Seite des Kopfes ein Kupplungsende (13) zur Kupplung mit dem Kopf enthält, geformt in einer Weise, daß der Kopf (8) nicht in das Innere des Querschnitts des besagten Kupplungsendes einbeschrieben werden kann, wobei das Verbindungselement (3) elastisch verformbar ist, um an seinem Kupplungsende (13) ein Aufdrücken auf den Kopf (8) zu erlauben und das so verformte Verbindungselement nicht in das Innere des Querschnitts der Hülse (4) einbeschrieben werden kann, und dadurch, daß die Hülse (4) und der Kopf (8) durch ein Spiel (Ds-Dp)/2 größer als die Dicke (e) der Seitenwand des Kupplungsendes des Verbindungselements (3) getrennt sind.
  2. Kontaktbuchse nach Anspruch 1, gekennzeichnet dadurch, daß das Verbindungselement (3) vor der Verformung frei in der Hülse (4) verschoben werden kann.
  3. Kontaktbuchse nach einem der Ansprüche 1 und 2, gekennzeichnet dadurch, daß das Verbindungselement (3) einen longitudinalen Spalt (9) enthält, der es ihm erlaubt, aus einer geschlossenen Position, in der die beiden Kanten (10) des Spaltes sich berühren, in eine geöffnete Position überzugehen, in der die beiden Kanten (10) des Spaltes einen Abstand voneinander haben, wobei die offene Position aus der Verformung des Verbindungselementes resultiert.
  4. Kontaktbuchse nach Anspruch 3, gekennzeichnet dadurch, daß das Verbindungselement (3) sich vor der Verformung in seiner geschlossenen Position befindet.
  5. Kontaktbuchse nach einem der Ansprüche 1 bis 4, gekennzeichnet dadurch, daß der Rumpf (2), das Verbindungselement (3) und die Hülse (4) im wesentlichen Rotationskörper sind.
  6. Kontaktbuchse nach Anspruch 5, gekennzeichnet dadurch, daß das Kupplungsende (13) einen kreisförmigen Querschnitt mit einem inneren Durchmesser (DTint) kleiner als der innere Durchmesser des kreisförmigen Querschnitts des restlichen Verbindungsstücks aufweist.
  7. Kontaktbuchse nach einem der Anprüche 1 bis 6, gekennzeichnet dadurch, daß der Rumpf (2), das Verbindungselement (3) und die Hülse (4) die folgenden Bedingungen einhalten:
    DText.max ≤ DSmin
    DSmin - DPmax ≥ 2 emax
    DTint.max < DPmin
    DPmin - DTint.max > DSmax - DText.min
    wobei
       DText.max der maximale äußere Durchmesser des Verbindungselements unter Berücksichtigung der Fertigungstoleranzen ist,
       DText.min der minimale äußere Durchmesser des Verbindungselements unter Berücksichtigung der Fertigungstoleranzen ist,
       DTint.max der maximale innere Durchmesser des Verbindungselements unter Berücksichtigung der Fertigungstoleranzen ist,
       emax die maximale Wanddicke des Verbindungselementes unter Berücksichtigung der Fertigungstoleranzen ist,
       DSmin der minimale innere Durchmesser der Hülse unter Berücksichtigung der Fertigungstoleranzen ist,
       DSmax der maximale innere Durchmesser der Hülse unter Berücksichtigung der Fertigungstoleranzen ist,
       DPmax der maximale äußere Durchmesser des Kopfes unter Berücksichtigung der Fertigungstoleranzen ist,
       DPmin der minimale äußere Durchmesser des Kopfes unter Berücksichtigung der Fertigungstoleranzen ist.
  8. Verfahren zur Montage einer Kontaktbuchse nach einem der Ansprüche 1 bis 7, gekennzeichnet dadurch, daß es umfaßt, das Kupplungsende (13) des Verbindungselements (3) auf den Kopf (8) des Rumpfes (2) der Buchse aufzudrücken, dann die Hülse (4) in axiale Ausrichtung zum verformten Verbindungselement (3) zu bringen, wobei die Hülse (4) in einem Futter (17) gehalten wird, dessen innere Abmessungen im wesentlichen den äußeren Abmessungen der Hülse entsprechen, die in dem Futter (17) gehaltene Hülse (4) rings auf das Verbindungselement (3) aufzubringen, mittels einer axialen Translationsbewegung, bis die Hülse (4) das Verbindungselement (3) vollständig verdeckt, dann die Hülse (4) in dem Futter (17) zu verschieben, wobei letzteres unbeweglich festgehalten wird zum Zuführen der Hülse (4) durch eine axiale Verschiebung auf den ringförmigen Teil (6) des Rumpfes (2), bevor das Futter (17) zurückgezogen wird.
EP99904934A 1998-02-24 1999-02-23 Kontaktbuchse eines elektrischen steckverbinders Expired - Lifetime EP1057228B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9802185 1998-02-24
FR9802185A FR2775389B1 (fr) 1998-02-24 1998-02-24 Broche de contact d'un connecteur electrique
PCT/FR1999/000401 WO1999044261A1 (fr) 1998-02-24 1999-02-23 Broche de contact d'un connecteur electrique

Publications (2)

Publication Number Publication Date
EP1057228A1 EP1057228A1 (de) 2000-12-06
EP1057228B1 true EP1057228B1 (de) 2003-05-28

Family

ID=9523275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99904934A Expired - Lifetime EP1057228B1 (de) 1998-02-24 1999-02-23 Kontaktbuchse eines elektrischen steckverbinders

Country Status (4)

Country Link
US (1) US6475039B1 (de)
EP (1) EP1057228B1 (de)
FR (1) FR2775389B1 (de)
WO (1) WO1999044261A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1107378B1 (de) 1999-11-30 2003-06-18 Preci-Dip Durtal SA Kontaktorgan für einen elektrischen Steckverbinder
FR2853997B1 (fr) * 2003-04-15 2009-07-03 Guy Coulon Piece de contact pour connecteur electrique
US6997750B2 (en) * 2003-07-23 2006-02-14 Fci Americas Technology, Inc. Electrical connector contact
CH704749B1 (fr) * 2007-09-05 2012-10-15 Preci Dip Sa Clip de contact.
JP2012227090A (ja) * 2011-04-22 2012-11-15 Yazaki Corp 端子金具
US9325095B2 (en) * 2011-05-05 2016-04-26 Lear Corporation Female type contact for an electrical connector
US8876562B2 (en) 2011-05-05 2014-11-04 Lear Corporation Female type contact for an electrical connector
US8840436B2 (en) 2011-05-05 2014-09-23 Lear Corporation Electrically conducting terminal
US8808039B2 (en) 2011-08-22 2014-08-19 Lear Corporation Connector assembly and terminal retainer
DE102012017949A1 (de) * 2011-09-28 2013-03-28 Sumitomo Wiring Systems, Ltd. Anschlusspassstück
US8851940B2 (en) * 2012-07-13 2014-10-07 Deutsch Engineered Connecting Devices, Inc. Multi-piece socket contact assembly
ES2635625T3 (es) * 2013-07-30 2017-10-04 Abb Schweiz Ag Dispositivo de conexión para un aparato conmutador
US9331400B1 (en) 2014-12-19 2016-05-03 Tyco Electronics Corporation Male contact assembly
WO2017223416A1 (en) * 2016-06-24 2017-12-28 Molex, Llc Power connector with terminal
US9917390B1 (en) 2016-12-13 2018-03-13 Carlisle Interconnect Technologies, Inc. Multiple piece contact for an electrical connector
DE102017011914A1 (de) * 2017-12-21 2019-06-27 Yamaichi Electronics Deutschland Gmbh Isolator, Verbinder, Verwendung einer Kontakthülse in einem Isolator und Verwendung einer Kontakthülse als Befestigungselement

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US3072880A (en) * 1959-08-05 1963-01-08 Malco Mfg Co Snap-in terminal for panel
CA1196072A (en) * 1982-03-31 1985-10-29 Amp Incorporated Electrical contact assembly
DE3342742C2 (de) * 1983-11-25 1985-10-24 Otto Dunkel GmbH Fabrik für elektrotechnische Geräte, 8260 Mühldorf Verfahren zur Herstellung von Kontaktfederbuchsen
US4780097A (en) * 1988-01-29 1988-10-25 Amphenol Corporation Socket contact for an electrical connector
FR2701170B1 (fr) * 1993-02-02 1995-03-17 Framatome Connectors France Contact électrique femelle à lame souple.

Also Published As

Publication number Publication date
WO1999044261A1 (fr) 1999-09-02
EP1057228A1 (de) 2000-12-06
FR2775389A1 (fr) 1999-08-27
US6475039B1 (en) 2002-11-05
FR2775389B1 (fr) 2000-05-05

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