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EP0539250A1 - Elektrischer Verbinder - Google Patents

Elektrischer Verbinder Download PDF

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Publication number
EP0539250A1
EP0539250A1 EP92402623A EP92402623A EP0539250A1 EP 0539250 A1 EP0539250 A1 EP 0539250A1 EP 92402623 A EP92402623 A EP 92402623A EP 92402623 A EP92402623 A EP 92402623A EP 0539250 A1 EP0539250 A1 EP 0539250A1
Authority
EP
European Patent Office
Prior art keywords
rigid
connector
flexible
contact
electrical contact
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.)
Granted
Application number
EP92402623A
Other languages
English (en)
French (fr)
Other versions
EP0539250B1 (de
Inventor
Bruno Chailleux
Philippe Choquet
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.)
FCI France SA
Original Assignee
Souriau et Cie
Framatome Connectors France 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 Souriau et Cie, Framatome Connectors France SA filed Critical Souriau et Cie
Publication of EP0539250A1 publication Critical patent/EP0539250A1/de
Application granted granted Critical
Publication of EP0539250B1 publication Critical patent/EP0539250B1/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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2442—Contacts for co-operating by abutting resilient; resiliently-mounted with a single cantilevered beam
    • 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
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction

Definitions

  • the invention relates to electrical connectors.
  • the cooperating elements of a connector comprise at least one rigid conductive element coming into mechanical and electrical contact with a flexible contact element (that is to say elastically deformable) relative to which it can move in relative motion. Subsequently, these elements will be called “rigid element” and “flexible element”, but in practice the rigid element is also designated “pin” or “male element”, the flexible element then being designated “socket” or " female element ".
  • the rigid element 1 extends in a longitudinal direction ⁇ and the flexible contact element (s) 2 extends substantially parallel to this same direction ⁇ .
  • the rigid element 1 is approached by moving it in the longitudinal direction ⁇ , which has the effect of pushing the free end of the flexible element (s) transversely, this that is to say in a direction substantially perpendicular to the direction ⁇ (position marked with dashed lines in the figure).
  • This connector structure has several advantages.
  • the length of the contact path i.e. the location of the successive contact points along the length of the insertion stroke
  • the self- cleaning of the contact point by friction is ensured without difficulty.
  • this type of connector requires only a moderate insertion and holding force: in FIG. 3, the characteristic F / d (insertion force / insertion length) has been illustrated for this type of connector.
  • the curvilinear segment OA corresponds to the force necessary to radially deform the flexible elements 2; when the deformed position is reached, a peak A is reached, the amplitude of which can be limited by an appropriate choice of the cooperating shapes. Then, if the insertion is continued (segment AB), the insertion force is substantially constant over the entire length of the useful stroke D.
  • this type of connector has the disadvantage of premature wear, precisely because the contact point, which is practically fixed, sees a very long length of the rigid element scroll since the length of the contact path is the same as the mechanical stroke of the connector.
  • the flexible contact element extends in a general transverse direction, substantially perpendicular (or strongly oblique) with respect to the direction ⁇ in which the rigid contact element 1 extends.
  • the connection is then made by simple pressing, at the end, on the free end of the flexible element which curves progressively as the insertion of the rigid element 1.
  • One of the aims of the present invention is to propose a connector which overcomes these various drawbacks and provides at the same time a long stroke, a low insertion force and a very high reliability (low wear and self-cleaning).
  • the connector of the invention belongs to the second type mentioned above, that is to say that it comprises at least one flexible lamellar electrical contact element, elastically deformable, and at least one rigid electrical contact element of rounded shape, by example of an essentially circular section, the two elements coming into electrical and mechanical contact by the relative displacement of the rigid element in the direction of the flexible element, this direction intersecting the general orientation of the flexible element which is thus tensioned elastic.
  • the free end of the flexible element has a curved area whose concavity is turned towards the rigid element and whose radius of curvature is greater than the radius of the section of the rigid element, this curved area being extended by a bent docking area.
  • the flexible element in the rest position, bears against the shoulders of a connector body, so as to obscure, in this position, the opening of the connector body receiving the rigid element.
  • FIGS 1 and 2 schematically illustrate two general types of connectors.
  • FIG. 3 illustrates the characteristic insertion force / relative displacement of the contact elements of the connectors of FIGS. 1 and 2.
  • Figure 4 is an overview of a connector according to the invention.
  • Figure 5 shows, enlarged and for several positions functional, the cooperating surfaces of the two elements of the connector of FIG. 4.
  • FIG. 6 illustrates the characteristic force of insertion / displacement of this same connector.
  • FIG. 7 illustrates an alternative embodiment ensuring protection of the contacts.
  • FIG 4 there is shown in section the connector of the invention, which comprises rigid contact elements 1, for example two parallel series of rigid contact elements, carried by a plug body 3.
  • the plug body 3 is placed in a homologous housing of a base body 4 carrying the flexible contact elements 2 coming to cooperate with the rigid contact elements 1.
  • the contact elements have been illustrated at the time of docking, that is to say in the intermediate insertion position where the elements arrive in mechanical contact, well before full insertion, which will correspond to the mechanical locking position of the connector.
  • FIG. 5 there is shown in enlarged view a rigid element 1 and a flexible element 2, in three different successive positions: the right position, in solid lines, corresponds to the docking of the two elements (position in FIG. 4 ), the left position, also in solid lines, corresponds to the fully inserted position, connector locked, while the central position, in dashed lines, is a particular intermediate position, which will be described below.
  • the rigid element 1 has, in section, a substantially circular end shape, of radius ⁇ 1.
  • the flexible element 2 is produced in the form of a flexible blade whose free end has a curved zone 5 turning its concavity towards the rigid element, and whose radius of curvature ⁇ 2 is greater than the radius ⁇ 1 of the circular section of the rigid element 1.
  • This curved area 5 is followed by a bent docking area 6, therefore turning its convexity towards the rigid element.
  • the total stroke D ⁇ has been broken down into a prior stroke d1 (between the docking point O and the point A ⁇ corresponding to the force F1 ensuring sufficient pressure to allow suitable electrical contact) and a useful stroke d2 (between point A ⁇ and the full insertion point B ⁇ corresponding to the locking of the connector).
  • FIG. 7 an alternative embodiment has been illustrated in which the flexible element 2 abuts against two shoulders 13, 14 of the base body 4, which thus makes it possible to protect the interior volume of the base by obscuring the orifice 15 intended to receive the rigid element 1; a protected contact element is thus produced, very simply from cut elements (the blade constituting the flexible contact element 2), while these protected contact elements were until now mainly produced by pistons retractable, imposing a low-cut manufacturing much more expensive and complex to implement.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP92402623A 1991-09-26 1992-09-24 Elektrischer Verbinder Expired - Lifetime EP0539250B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111844 1991-09-26
FR9111844A FR2681985B1 (fr) 1991-09-26 1991-09-26 Connecteur electrique.

Publications (2)

Publication Number Publication Date
EP0539250A1 true EP0539250A1 (de) 1993-04-28
EP0539250B1 EP0539250B1 (de) 1994-12-28

Family

ID=9417312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402623A Expired - Lifetime EP0539250B1 (de) 1991-09-26 1992-09-24 Elektrischer Verbinder

Country Status (6)

Country Link
US (1) US5326290A (de)
EP (1) EP0539250B1 (de)
JP (1) JPH05283122A (de)
DE (2) DE539250T1 (de)
ES (1) ES2066584T3 (de)
FR (1) FR2681985B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791947A (en) * 1995-06-07 1998-08-11 The Panda Project Contact beam for electrical interconnect component
US5616045A (en) * 1995-07-14 1997-04-01 Augat Inc. Squib connector for automotive air bag assembly
US5882224A (en) * 1996-08-28 1999-03-16 Thomas & Betts International, Inc. Squib connector socker assembly having shorting clip for automotive air bags
US6247972B1 (en) 1997-08-14 2001-06-19 Silicon Bandwidth, Inc. Electrical connector assembly with a female electrical connector having internal flexible contact arm
JP3351999B2 (ja) * 1997-08-28 2002-12-03 ヒロセ電機株式会社 電気コネクタ
US7094238B2 (en) * 2002-11-22 2006-08-22 Sdgi Holdings, Inc. Variable angle adaptive plate
US6830469B1 (en) 2004-03-19 2004-12-14 Molex Incorporated Electrical connector assembly
WO2007103499A2 (en) * 2006-03-07 2007-09-13 Siemens Water Technologies Corp. Multivalent metal ion management for low sludge processes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900278A (en) * 1988-08-04 1990-02-13 Molex Incorporated Electric connector of low-insertion force
EP0147076B1 (de) * 1983-12-27 1991-02-27 Amp Incorporated Elektrischer Endkontakt mit einem Büchsenteil für geringe Einsteckkraft und Steckteil dafür

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443509A (en) * 1944-03-22 1948-06-15 Railroad Accessories Corp Connector
US2539230A (en) * 1944-09-28 1951-01-23 Rowe & Co Proprietary Ltd H Electrical power outlet and power plug
US3933405A (en) * 1974-05-16 1976-01-20 General Motors Corporation Electrical connector with deflectable butt contact terminal
US4002400A (en) * 1975-08-01 1977-01-11 E. I. Du Pont De Nemours And Company Electrical connector
JPS55109383A (en) * 1979-02-15 1980-08-22 Matsushita Electric Works Ltd Lamp socket
US4703986A (en) * 1986-08-15 1987-11-03 G & H Technology, Inc. Butt contact for an electrical connector having EMI shielding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147076B1 (de) * 1983-12-27 1991-02-27 Amp Incorporated Elektrischer Endkontakt mit einem Büchsenteil für geringe Einsteckkraft und Steckteil dafür
US4900278A (en) * 1988-08-04 1990-02-13 Molex Incorporated Electric connector of low-insertion force

Also Published As

Publication number Publication date
JPH05283122A (ja) 1993-10-29
FR2681985A1 (fr) 1993-04-02
FR2681985B1 (fr) 1993-12-31
DE539250T1 (de) 1993-09-02
DE69201046D1 (de) 1995-02-09
DE69201046T2 (de) 1995-05-11
EP0539250B1 (de) 1994-12-28
ES2066584T3 (es) 1995-03-01
US5326290A (en) 1994-07-05

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