EP1568109B1 - Elektrischer Kontakt mit elastischer Rückstellvorrichtung und elektrischer Verbindungsteil mit mindestens einem solchen Kontakt - Google Patents

Elektrischer Kontakt mit elastischer Rückstellvorrichtung und elektrischer Verbindungsteil mit mindestens einem solchen Kontakt Download PDF

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Publication number
EP1568109B1
EP1568109B1 EP03796154A EP03796154A EP1568109B1 EP 1568109 B1 EP1568109 B1 EP 1568109B1 EP 03796154 A EP03796154 A EP 03796154A EP 03796154 A EP03796154 A EP 03796154A EP 1568109 B1 EP1568109 B1 EP 1568109B1
Authority
EP
European Patent Office
Prior art keywords
electrical contact
blade
cut
contact
plug
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
EP03796154A
Other languages
English (en)
French (fr)
Other versions
EP1568109A1 (de
Inventor
Joseph Crestin
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.)
Societe dExploitation des Procedes Marechal SEPM SA
Original Assignee
Societe dExploitation des Procedes Marechal SEPM 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 Societe dExploitation des Procedes Marechal SEPM SA filed Critical Societe dExploitation des Procedes Marechal SEPM SA
Publication of EP1568109A1 publication Critical patent/EP1568109A1/de
Application granted granted Critical
Publication of EP1568109B1 publication Critical patent/EP1568109B1/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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622—Screw-ring or screw-casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole

Definitions

  • the invention relates to an electrical contact with elastic return and an electrical connection element provided with at least one such contact.
  • the electrical contacts with elastic return including end pressure are well known.
  • they comprise a contact head which comes into elastic engagement with an antagonistic contact under the action of a helical spring which surrounds a deformable conductor such as a braid, connected to a cable, possibly via a terminal or connection terminal.
  • the elastic movement can not be effected in the general longitudinal axis of the driver.
  • the inventor has sought and found a means for making a simple electrical contact elastic return allowing in particular an end pressure connection for various applications which will be discussed below.
  • the invention notably makes it possible to reduce the bulk of the contact and to eliminate or reduce certain electrical resistances.
  • the invention proposes an electrical contact with elastic return which is particularly remarkable in that it comprises at least one flexible blade constituted by a portion of the front surface of a conductive part provided with at least one notch which is formed in a solid part of said conductive part and at the end thereof, the blade can thus work in bending under the action of the pressure exerted by an antagonistic contact.
  • the conductive part is cyündrique and the flexible blade is shaped segment or circular or elliptical zone and in this case, for a contact having a single blade and a single notch, the depth thereof is greater to the radius of the cylindrical piece.
  • the notch of the conductive part is formed in a plane perpendicular to the longitudinal axis of said piece.
  • the thickness of the notch is at most equal to the maximum deflection that is admitted by the flexible blade before it reaches its elastic limit and which is a function of the nature of the materials used and the depth of the notch, such so that the blade can not exceed this limit.
  • a compression spring is arranged behind the blade by bearing in the bottom of a housing provided for this purpose in the conductive part to contribute to the return of the blade in the initial position.
  • the flexible blade is further provided on at least a portion of its surface with a silver pellet designed to improve the passage of electrical current between said contact and the electrical contact antagonist.
  • a contact according to the invention is intended to equip many devices that are also part of the invention, such as for example a unipolar electrical connection element in the form of a socket outlet or a mobile socket, provided with an electrical contact according to the invention comprising at least one flexible blade, which is intended to establish an electrical connection with an antagonistic electrical contact in the form of a pin of a plug or of a connector socket to be coupled, said pin coming to exert pressure on the blade in a direction parallel to the axis of the conductive part.
  • the conductive part of the electrical contact of the connection element is provided with a thread which terminates in the vicinity of its notch and which is intended to cooperate with a screw ring arranged on the plug or the base connector for securing this or the latter with said connecting element in the coupling position.
  • a unipolar extension consisting of a mobile socket 1 and a plug 2 (FIGS. 1 to 5).
  • the plug 2 is intended to mate with the mobile socket 1 to take the connection position shown in section in Figure 5.
  • the plug 2 comprises an insulating casing 3 in which is arranged a contact pin 4 (FIGS. 2, 4, 5, 6 and 7) integral with a metallic cylindrical piece 5, itself connected by screwing, crimping or the like, to a cable 6.
  • the part 5 is for example maintained in the housing 3 by a pin 7 ( Figures 4 and 5).
  • the pin 4 is eccentric, but it could be less or not at all depending on its nature and / or the arrangement of the contact of the mobile socket which will be discussed below.
  • the cable 6 is furthermore held here by a cable gland 8 while a clamping ring 9 is provided for actuating, by rotating it, a partially tapped screw ring 10 which will be discussed below and which is intended to to lock the coupling of the plug 2 and the mobile socket 1, the screw ring 10 being advantageously metallic and the ring 9 of insulating material.
  • the mobile socket 1 comprises in a manner similar to the plug 2 an insulating housing 11 in which is arranged a contact in the form of a flexible blade 12 integral with a metal part 13, here cylindrical, which is connected by screwing, crimping or other , to a cable 14.
  • the part 13 is for example maintained in the housing 11 by a pin 15.
  • the cables 6 and 14 are connected to the corresponding metal parts, respectively 5 and 13, by screwing, but another known and advantageous embodiment consists in crimping them by means of tubes, which makes it easy to obtain several calibres with the same parts.
  • the cable 14 is furthermore held here by a cable gland 16 while the part 13 is provided at its end with a thread 17 intended to cooperate with the screw ring 10 of the plug.
  • the end of the metal part 13 of the mobile socket 1 is protected at its front end by an insulator 18 fixed on said part 13, for example by a central screw 19 (FIGS. 1 and 3), and locked in rotation by an eccentric pin 20 (Figure 3).
  • a circular aperture 21 ( Figures 1 and 3) which is in this example eccentric and which is intended for the passage of the pin 4 of the plug so that the end of said pin can come to apply on the blade 12 of the mobile socket which will be discussed in more detail below.
  • the screw ring 10 is here represented engaged with the thread 17 of the metal part 13 of the mobile socket 1.
  • the contact of the mobile socket is constituted in this example by a flexible blade 12 in the form of a circular segment constituted by a part of the front surface of the cylindrical metal part 13 which is provided with a notch 22 formed at its end, in this example in a plane perpendicular to the longitudinal axis of said part 13.
  • the notch 22 is formed in a solid part of the part 13.
  • the depth of the notch 22 is here greater than the radius of the cylindrical part 13 while the zone of contact of the pin on the blade 12 is remote from the bottom of the notch 22.
  • the thickness of the notch 22 is preferably chosen to be at most equal to the maximum deflection that is admitted by the blade before it reaches its elastic limit, the blade in these conditions can not of course not exceed this limit since in maximum flexion it would come into contact with the solid part of the part 13.
  • a compression spring 23 is arranged in a housing 24 of the part 13 in which it bears, to urge the blade 12 so as to contribute if necessary to the return to position of the blade 12.
  • the blade 12 can obviously return to a neutral initial position in which it is blocked by the insulator 18 of the mobile socket, but said insulator can be arranged to allow a possible bending of the blade to the outside in order to increase the amplitude of deflection in bending of said blade.
  • connection element that is compact and inexpensive while the all-metal design of a single block of the part 13 with the blade 12 makes it possible to ensure a low resistance to the passage of the current and a good reliability of connection.
  • the pin 4 of the plug could have another shape, circular or otherwise, and the blade 12 could be shifted in the connection element to mate with a pin of a plug disposed centrally or the contact could comprise several blades formed of several circular segments or others with notches perpendicular or not to the axis of the conductive part.
  • the extender also has a great advantage against the risk of disconnection by inadvertent traction on the cables, which could be possibly the case previously when the cable element was directly requested by a spring.
  • the invention relates in fact to an electrical contact with a particular elastic return, as well as the connection elements equipped with at least one such contact.
  • a mobile socket intended to constitute an extension cooperating with a plug
  • it could of course be a mobile socket intended to form a connector cooperating with a connector base, or it could still be base of a socket for cooperating with a plug.

Landscapes

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

Claims (9)

  1. Elektrischer Kontakt mit elastischer Rückstellung, dadurch gekennzeichnet, dass er zumindest eine flexible Lamelle (12) enthält, aufgebaut auf einem Abschnitt der Frontfläche aus einem leitfähigen Teilstück (13), versehen mit zumindest einem Einschnitt (22), der in einem massiven Abschnitt des leitfähigen Teilstücks (13) und am Ende davon ausgespart ist, wobei die Lamelle so durchgefedert unter Einwirkung von Druck, der durch einen elektrischen Gegenkontakt (4) ausgeübt wird, arbeiten kann.
  2. Elektrischer Kontakt nach Anspruch 1, dadurch gekennzeichnet, dass das leitfähige Teilstück (13) zylindrisch ist und die flexible Lamelle (12) in Form eines Segments oder eines kreisrunden oder elliptischen Bereichs ausgebildet ist.
  3. Elektrischer Kontakt nach Anspruch 2, enthaltend eine einzige Lamelle (12) und einen einzigen Einschnitt (22), dadurch gekennzeichnet, dass die Tiefe des Einschnitts (22) über dem Radius des zylindrischen Teilstücks (13) liegt.
  4. Elektrischer Kontakt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Einschnitt (22) des leitfähigen Teilstücks (13) entlang einer Ebene senkrecht zu der Längsachse des Teilstücks (13) ausgespart ist.
  5. Elektrischer Kontakt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Dickenabmessung des Einschnitts (22) höchstens gleich der maximalen Durchbiegung ist, die durch die flexible Lamelle zugelassen wird, bevor diese nicht ihre elastische Grenze erreicht und die von der Eigenart der verwendeten Materialien und der Tiefe des Einschnitts abhängt, derart, dass die Lamelle diese Grenze nicht überschreiten kann.
  6. Elektrischer Kontakt nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine Kompressionsfeder (23) hinter der Lamelle (12) angeordnet ist, wobei sie in dem tiefsten Teil einer Aufnahme (24) zur Anlage kommt, die zu dieser Wirkung in dem leitfähigen Teilstück (13) ausgespart ist, um bei der Rückwärtsbewegung der Lamelle (12) in die Ausgangsposition zurückzukehren.
  7. Elektrischer Kontakt nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die flexible Lamelle (12) ferner auf zumindest einem Abschnitt ihrer Oberfläche mit einem Silberanschlussfleck (26) versehen ist, bestimmt zum Verbessern des Durchtritts von elektrischem Strom zwischen dem Kontakt und dem elektrischen Gegenkontakt (4).
  8. Einpoliges elektrisches Verbindungselement in Form eines Sockels einer Steckdose oder einer beweglichen Steckkupplung (1), versehen mit einem elektrischen Kontakt, enthaltend zumindest eine flexible Lamelle (12) gemäß einem der Ansprüche 1 bis 6, und das bestimmt ist zum Einrichten einer elektrischen Verbindung mit einem elektrischem Gegenkontakt in Form eines Kontaktstifts (4) eines Steckers (2) oder eines Verbindersockels zum Anschließen, wobei der Kontaktstift (4) einen Druck auf die Lamelle (12) entlang einer zu der Achse des leitfähigen Teilstücks (13) parallelen Richtung ausübt.
  9. Elektrisches Verbindungselement nach Anspruch 8, dadurch gekennzeichnet, dass das leitfähige Teilstück (13) des elektrischen Kontakts mit einem Gewinde (17) versehen ist, das benachbart zu seinem Einschnitt (22) endet und das zum Zusammenwirken mit einem Schraubverbindungsring (10) bestimmt ist, vorgesehen auf dem Stecker (2) oder dem Verbindersockel, um eine Befestigung dieses oder des Letzteren mit dem Verbindungselement in einer Anschlussposition sicherzustellen.
EP03796154A 2002-12-06 2003-12-04 Elektrischer Kontakt mit elastischer Rückstellvorrichtung und elektrischer Verbindungsteil mit mindestens einem solchen Kontakt Expired - Lifetime EP1568109B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0215435A FR2848347B1 (fr) 2002-12-06 2002-12-06 Contact electrique a rappel elastique et element de connexion electrique muni d'au moins un tel contact
FR0215435 2002-12-06
PCT/FR2003/003582 WO2004054038A1 (fr) 2002-12-06 2003-12-04 Contact electrique a rappel elastique et element de connexion electrique muni d'au moins un tel contact

Publications (2)

Publication Number Publication Date
EP1568109A1 EP1568109A1 (de) 2005-08-31
EP1568109B1 true EP1568109B1 (de) 2006-10-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03796154A Expired - Lifetime EP1568109B1 (de) 2002-12-06 2003-12-04 Elektrischer Kontakt mit elastischer Rückstellvorrichtung und elektrischer Verbindungsteil mit mindestens einem solchen Kontakt

Country Status (7)

Country Link
US (1) US7182614B2 (de)
EP (1) EP1568109B1 (de)
AU (1) AU2003298407B2 (de)
DE (1) DE60308894T2 (de)
ES (1) ES2273082T3 (de)
FR (1) FR2848347B1 (de)
WO (1) WO2004054038A1 (de)

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US7854635B1 (en) * 2008-03-10 2010-12-21 Charles Duncan Adapter for air conditioning connector
US9252539B2 (en) 2012-11-02 2016-02-02 Hubbell Incorporated Internally switched female receptacle or connector with plug-latching safety interlock
US9819118B2 (en) 2015-07-16 2017-11-14 Eaton Corporation Switching power connector and electrical connection element with safety interlock
US9887489B1 (en) 2016-10-19 2018-02-06 Hubbell Incorporated Electrical connector with plug latching assembly
US9899767B1 (en) 2016-12-28 2018-02-20 Eaton Corporation Connector with clockable integrated power switching
CN106944710A (zh) * 2017-03-30 2017-07-14 义乌市源德进出口有限公司 一种新型焊接装置
CN107052510A (zh) * 2017-03-30 2017-08-18 义乌市源德进出口有限公司 一种焊接装置
USD884641S1 (en) * 2018-09-27 2020-05-19 Viablue Gmbh Shells for connectors and plugs for audio and videocables
DE102019003460A1 (de) 2019-05-15 2020-01-02 Daimler Ag Vorrichtung und Verfahren zum Positionieren eines Ladekabels eines elektrisch betreibbaren Fahrzeugs

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Also Published As

Publication number Publication date
AU2003298407B2 (en) 2008-11-20
ES2273082T3 (es) 2007-05-01
AU2003298407A1 (en) 2004-06-30
DE60308894T2 (de) 2007-03-08
FR2848347A1 (fr) 2004-06-11
WO2004054038A1 (fr) 2004-06-24
EP1568109A1 (de) 2005-08-31
DE60308894D1 (de) 2006-11-16
US7182614B2 (en) 2007-02-27
US20050130475A1 (en) 2005-06-16
FR2848347B1 (fr) 2005-01-07

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