EP0766876B1 - Elektrischer verbinder - Google Patents

Elektrischer verbinder Download PDF

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Publication number
EP0766876B1
EP0766876B1 EP96919866A EP96919866A EP0766876B1 EP 0766876 B1 EP0766876 B1 EP 0766876B1 EP 96919866 A EP96919866 A EP 96919866A EP 96919866 A EP96919866 A EP 96919866A EP 0766876 B1 EP0766876 B1 EP 0766876B1
Authority
EP
European Patent Office
Prior art keywords
contact
cell
electrical connector
shoulder
radial
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
EP96919866A
Other languages
English (en)
French (fr)
Other versions
EP0766876A1 (de
Inventor
Hervé Bricaud
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.)
ITT Manufacturing Enterprises LLC
Original Assignee
ITT Manufacturing Enterprises LLC
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9478860&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0766876(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Publication of EP0766876A1 publication Critical patent/EP0766876A1/de
Application granted granted Critical
Publication of EP0766876B1 publication Critical patent/EP0766876B1/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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base

Definitions

  • the present invention relates to an electrical connector.
  • the invention relates more particularly to a connector electric of the type comprising a block of insulating material which has a series of parallel parallel cylindrical openings each of whom receives an electrical contact whose body generally cylindrical in shape with a radial shoulder exterior which extends opposite an annular radial surface end which axially delimits a section of diameter reduced from the socket in which part of the cylindrical body of the contact body is received radially with clearance.
  • each contact can be supplemented by a second outer radial shoulder which extends opposite a second annular radial end surface which delimits the reduced diameter section of the cell.
  • D.M connectors Certain series of this type of connector, called “D.M” connectors, correspond to specifications which impose to respect certain very precise dimensions for the insulating block, and in particular for the dimensions of the alveoli as well as for contacts, such a design prohibiting the use of a design such as that proposed in document DE-B-1.211.304.
  • the object of the invention is to propose a design improved with an electrical connector of the type mentioned previously which increases the retention effort axial contact without modifying the design and dimensions of the cells.
  • the invention provides a connector characterized in that said body part of the contact has an external radial collar which is mounted tight radially in the section.
  • FIG. 1 a connector element electric 10 which, according to a known design, consists mainly by a two-part metal shell 12 and 14 and by a block of insulating material 16 which is received in the shell 12.
  • the block of insulating material 16 is delimited by one face transverse front 18 and by a rear transverse face 20.
  • the block of insulating material 16 comprises a series of regularly distributed cells 22, which are all parallel and open into the two faces 18 and 20, and each of which receives an electrical contact element of conductive material 24.
  • each electrical contact 24 is a male contact in a single part with the free front end 26 in the form of a pin to be received in a complementary female contact (no shown) whose front end is then hollow cylindrical, and whose rear free end 28 comprises for example a recess 30 intended to receive the end of a conducting wire (not shown) connected to contact 24.
  • a connector element comprising contact elements females (not shown)
  • the block of insulating material 16 and the alveoli 22 extend into part 14 of the shell.
  • Each cell 22 is a cylindrical hole 32 with an axis longitudinal X-X with internal diameter DI1 (see Figure 3).
  • each cell 22 has a section 36 of internal diameter DI2 less than diameter DI1.
  • the section 36 is for example delimited axially towards the rear by a radial surface 38 which ends radially inwards, by a chamfer 40.
  • the section 36 is delimited axially forwards by a radial end surface 42.
  • the radial end surfaces 38 and 42 delimit thus axially a section 36 of length L1 and of diameter reduced DI2.
  • each cell 22 The shape and dimensions of each cell 22 are standardized dimensions.
  • Dl1 2.2 mm
  • DI2 1.87 mm
  • LI 1.8 mm
  • This middle part is delimited by a first external radial shoulder 46 and by a second shoulder external radial 48, the two transverse faces opposite 50 and 52 of the shoulders 46 and 48 being axially spaced from a distance LE.
  • the outside diameter DE1 of the middle part 44 of the electrical contact 24 is equal 1.72 mm, i.e. this part 44 is received radially with clearance in the section 36 of the cell 22.
  • the shoulder 46 is of frustoconical shape so as to facilitate the insertion of the contact 24 in the socket 22, from left to right considering FIG. 1, and its largest outside diameter DE2 is such that: DE2> DI2.
  • the shoulder 48 is a cylindrical shoulder whose largest outside diameter DE4 is equal to 2 mm and therefore: DE4> DI2.
  • each contact 24 is thus retained axially in a cell 22, in both directions, due to the cooperation of the shoulder 46 with the surface 38 - 40 and the cooperation of the shoulder 48 with the surface 42.
  • the middle part 44 of each contact 24 comprises, located axially between the shoulders 46 and 48 and approximately halfway between them, a collar outer radial 54.
  • the collar 54 is a frustoconical collar, the conicity of which is oriented in the same direction as that of the shoulder 46, to facilitate the insertion of the contact 24 into the cell 22, and whose largest outside diameter DE3 is such that: DE3> D12.
  • the outside diameter DE3 of the collar 54 is therefore greater than the internal diameter DI2 of the section 36 so that, in the mounted position, the collar 54 is tightened radially to inside the section 36 of the cell 22.
  • the different diameters meet the following conditions: DE4>DE3>DE2>DE1; DE4 ⁇ Dl1; and DE2> DI2.
  • the retention or axial retention effort of a contact 24 in its socket 22 is therefore increased because it results from the sum of the resistant efforts due to the cooperation of one or the other of the shoulders 46 or 48 plus the effort resulting from the tight fitting of the collar 54 in the section 36.
  • the peripheral edge 56 of the collar 54 comprises a series of notches 58.
  • Each contact 24 is mounted axially without play in cell 22 because the distance LE, which is equal to 1.7 mm, is slightly less than the distance L1 which is equal to 1.8 mm.
  • the arrangement of a collar 54 provides a greater axial retention force at 40 Newton and substantially equal to 50 Newton.
  • the directions of taper of the shoulder and collar can in particular be reversed so as to modify the direction axial insertion of the contacts in the insulation and to modify the sense of preponderant efforts depending on the application.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Fuel Cell (AREA)

Claims (4)

  1. Elektrische Verbinder (10) von der Art, die einen Block aus einem isolierenden Material (16) umfaßt, der eine Reihe von zylindrischen, jeweils eine Öffnung bildenden, Zellen (22) aufweist, von denen jede einen elektrischen Kontakt (24) aufnimmt, dessen allgemeine zylindrische Form eine radiale Außenschulter (46, 50) umfaßt, die gegenüber einer ringförmigen radialen Endfläche (38) verläuft, welche in axialer Richtung einen Teilabschnitt (36) der Zelle (22) mit vermindertem Durchmesser begrenzt, in dem ein Teil (44) des zylindrischen Rumpfes des Kontaktes (24) mit Spiel in radialer Richtung aufgenommen wird, dadurch gekennzeichnet, daß der genannte Teil (44) des Rumpfes des Kontaktes einen radialen Außenkragen (54) aufweist, der in dem Teilabschnitt (36) radial eingezwängt befestigt ist.
  2. Elektrischer Verbinder nach Anspruch 1,
    dadurch gekennzeichnet, daß der radiale Außenkragen (54) eine kegelstumpfartige Form hat.
  3. Elektrischer Verbinder nach einem der Ansprüche 1 oder 2,
    dadurch gekennzeichnet, daß der Außenrand (56) des Kragens (54) zur Hemmung der Rotation Aussparungen (58) aufweist.
  4. Elektrischer Verbinder nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, daß der zylindrische Rumpf des Kontaktes eine zweite radiale Außenschulter (48, 52) aufweist, die gegenüber einer zweiten, ringförmigen, radialen Endfläche (42) verläuft, die in axialer Richtung den Abschnitt (36) der Zelle (22) mit vermindertem Durchmesser begrenzt.
EP96919866A 1995-05-11 1996-05-03 Elektrischer verbinder Expired - Lifetime EP0766876B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9505565A FR2734087B1 (fr) 1995-05-11 1995-05-11 Connecteur electrique
FR9505565 1995-05-11
PCT/FR1996/000679 WO1996036091A1 (fr) 1995-05-11 1996-05-03 Connecteur electrique

Publications (2)

Publication Number Publication Date
EP0766876A1 EP0766876A1 (de) 1997-04-09
EP0766876B1 true EP0766876B1 (de) 1999-07-28

Family

ID=9478860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96919866A Expired - Lifetime EP0766876B1 (de) 1995-05-11 1996-05-03 Elektrischer verbinder

Country Status (5)

Country Link
EP (1) EP0766876B1 (de)
DE (1) DE69603434T2 (de)
ES (1) ES2137006T3 (de)
FR (1) FR2734087B1 (de)
WO (1) WO1996036091A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB956993A (en) * 1961-11-27 1964-04-29 Oxley Robert Frederick Improvements in and relating to plug and socket connectors
DE8800813U1 (de) * 1988-01-25 1988-04-07 Erich Jaeger GmbH & Co KG, 6380 Bad Homburg Stecker für mehrpolige Steckvorrichtung

Also Published As

Publication number Publication date
FR2734087A1 (fr) 1996-11-15
FR2734087B1 (fr) 1997-06-27
WO1996036091A1 (fr) 1996-11-14
DE69603434D1 (de) 1999-09-02
EP0766876A1 (de) 1997-04-09
ES2137006T3 (es) 1999-12-01
DE69603434T2 (de) 2000-02-24

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