EP0078750A1 - Flachverbinder für eine grosse Anzahl von Kontakten - Google Patents

Flachverbinder für eine grosse Anzahl von Kontakten Download PDF

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Publication number
EP0078750A1
EP0078750A1 EP82402026A EP82402026A EP0078750A1 EP 0078750 A1 EP0078750 A1 EP 0078750A1 EP 82402026 A EP82402026 A EP 82402026A EP 82402026 A EP82402026 A EP 82402026A EP 0078750 A1 EP0078750 A1 EP 0078750A1
Authority
EP
European Patent Office
Prior art keywords
contacts
contact
connector
connector element
element according
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.)
Withdrawn
Application number
EP82402026A
Other languages
English (en)
French (fr)
Inventor
Michel Bepoix
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
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 filed Critical Souriau et Cie
Publication of EP0078750A1 publication Critical patent/EP0078750A1/de
Withdrawn legal-status Critical Current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
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings

Definitions

  • the invention relates to flat connectors with a large number of contacts and it finds a particularly important, although not exclusive, application in the field of aeronautical construction. It is known that each aircraft incorporates a very large number of transmission connectors, in particular of signals. Current practice aims to ensure standardization and, for this, consists in using, for all the connectors of the same aircraft, the same general model which must meet strict standards concerning the maintenance of electrical contact over time over periods of time. important and despite external stresses, maintaining electrical and fluid tightness, and, finally, the possibility of supporting without damage a large number of determined assembly and disassembly operations. This number of operations is that which corresponds to those of the connectors which are most often assembled and disassembled.
  • the invention aims to provide a connector usable in particular in aeronautics, adaptable to any type of cable and lends itself particularly well to flat cables and ribbon cables, responding better than those previously known to the requirements of practice, in particular that it is achievable with a very large number of contacts, makes it possible to maintain the quality of the electrical contact under the conditions encountered in aeronautics, ensures a good seal against external electrical actions and a satisfactory seal against fluids, while being cost-effective much lower than those of previous connectors fulfilling these functions.
  • the invention proposes in particular a connector element comprising an insulating casing made of several pieces and at least one layer of contacts retained individually and removably in the insulator, characterized in that the insulating housing comprises at least two parts having cooperating supports formed by surfaces substantially parallel to the ply and in that a first of the parts of the insulating housing comprises members for individual immobilization of the contacts whose engagement with the contacts is effected by displacement of the latter perpendicular to said surface.
  • the first part may include means for guiding the contacts placed at the front and also ensuring a seal.
  • the contacts will be introduced by moving first forwards in a direction parallel to the bearing surface to thread their end portion into holes in the sealing means, then perpendicular to the surface to lock them. The flexibility of the contacts to be locked will facilitate this insertion sequence.
  • Contacts can take many forms. However, it will generally be advantageous to use flat contacts (that is to say a male contact of the knife type on one of the elements of the connector, a female contact of the lyre type on the other).
  • the first room will be housed for receiving the contacts.
  • the latter will frequently include a barrel and, in this case, it will be desirable for the first part to have a flexible rear part intended to ensure sealing at the level of the cable or of its individual insulated conductors.
  • This rear part may include foldable lips on the conductors; a another solution consists in providing, in the rear part, housings which contain a fraction of conductor greater than half and which is closed by the other room.
  • the first part will frequently be designed to receive two connector plies, one on each side. This first part will then cooperate with two second parts forming the sides of the housing.
  • the contacts must obviously be in a perfectly defined position while the rear wiring operation is carried out.
  • sealing must be ensured.
  • the first part can be formed by a front block, for example in thermoplastic or thermosetting material resistant under the conditions of use, or in fluorinated silicone elastomer, extended at the rear by a sealing block in elastomeric material with an appropriate sealing profile.
  • the second part, or the second parts, forming sides may be composite and comprise a rigid plate, for example metallic, coated internally by overmolding of an elastomer envelope.
  • the connector element can be provided for engagement and disengagement by translation parallel to the plane of the tablecloth in a classic way. However, especially in the case of large width plies, it may be more advantageous, to reduce the insertion and release forces, to provide a rotational movement of the two connector elements relative to each other around of one of their edges. The insertion and the release are thus carried out gradually.
  • the insulating parts of the connector can in certain cases be provided with a certain elasticity, to further promote this type of movement.
  • the connector element is intended to cooperate with a similar connector element, but comprising suitable male contacts.
  • the two elements of the same connector can have a very similar constitution.
  • the element 10 shown in FIG. 1 is intended to receive two contact plies and it consequently comprises a central part 11 and two lateral parts or sidewalls 12.
  • the central part 11 comprises housings intended to receive the contacts such as 13, immobilizing them in the longitudinal direction and ensuring a seal on the individual wires 14, fixed to the contacts by crimping.
  • the contacts shown are lyre contacts with a cylindrical crimping barrel, but this arrangement is not exclusive.
  • Each moving head contact 13 is intended to cooperate with a knife contact 13a carried by the other connector element, not shown.
  • the part 11 will generally consist of two parts, the front part being intended to retain the contacts and the rear part to ensure the seal. Given this difference in function, we will generally use different constituent materials for the two parts.
  • the front part must be rigid and will be made of plastic or hard elastomer, the rigidity of which can be ensured by overmolding a rigid plate of another material.
  • the rear part intended for sealing, fulfilling the role of the plug - commonly called "grommet" - common connectors, will generally be made of flexible elastomeric material.
  • the front part of the part 11 has parallel recesses whose cross section is, in the part intended to receive the contact 13, approximately rectangular, while the part intended to receive the barrel has a section approximately circular in shape, truncated over a fraction less than half.
  • the individual immobilization members are constituted, in the case shown in FIGS. 1 and 1a, by pins 15 intended to engage in holes of corresponding diameter 16 provided in the contacts 13.
  • the wall of the recesses or cells can carry bosses constituting retaining pawls 17.
  • the rear part made of flexible elastomer can be produced in a simple manner.
  • this rear part has passages of variable cross section to constitute sealing lips 18.
  • the side pieces 12 are intended to hold the contacts in place once they have been engaged on the pins 15. These side pieces can be made of hard plastic or stiffened by incorporating a rigid head, the rear of which has a receiving notch a sealing strip 19 cooperating with the rear part of the part 11 to enclose the wires 14 in a sealed manner.
  • the connector element must also include means which hold the lateral pieces or sides 12 applied against the central piece 11.
  • These means can be constituted by a shell 20 of the kind shown in Figures 2A and 2B, in two components 21 and 22.
  • These two components or shells can be made of plastic or metal. They will frequently be internally provided with stops 23 for contact with the sides 12 against which they can be tightened by removable means, for example screws 24 (FIG. 2B).
  • Notches 25 made at the rear of the shells 21 and 22 allow the passage of the wires 14, which will frequently belong to the same cable.
  • the knife contacts have their large dimension in the plane of the ply and the contacts are face to face in the two plies.
  • This arrangement is obviously not exclusive and the contacts can in particular be oriented perpendicular to the plane of the sheets and / or arranged in staggered rows.
  • the connector is assembled by sliding each conductor provided with a contact successively into the corresponding recess or cell.
  • the engagement of each contact is carried out by moving it perpendicular to the support surface of the sides 12 against the central part 11, so as to engage the pin 15 in the hole 16.
  • FIGS. 3 to 9 differs in particular from the previous one by the constitution of the immobilization members and the sequence of displacement of each contact during its positioning, sequence which ends in a perpendicular displacement. to the support surface of the sidewalls on the central part.
  • the members corresponding to those of FIGS. 1, 1A, 2A and 2B will be designated by the same reference number for simplicity.
  • the connector of Figure 3 still includes an element 10 with female contacts and an element 25 with male contacts.
  • the element 26 shown in FIGS. 4 to 7 comprises an insulating central part 11 still having a front part made of hard material (thermoset or thermoplastic material in general) and a rear sealing part made of flexible elastomer, intended to ensure sealing, on insulated conductors in the case of a round cable, on the cable itself in the case of a flat cable.
  • the constitution of this rear part can vary widely, as will be seen below.
  • Part 11 is completed by a front sealing plate 27 made of elastomer, bonded to the front face of the part and pierced with holes for passage of the male contacts 13a (FIG. 6).
  • the plate 27 already ensures a first maintenance of the contacts even before the flanks 12 are put in place, which facilitates assembly.
  • the individual immobilization members of the contacts 13a are this time constituted by lugs 28 integrally with the part 11. These lugs 28 have a dimension such that they can be housed in lateral notches 29 cut out in the contacts 13a and of corresponding shape.
  • the contacts 13a shown are of the barrel type to be crimped onto a conductor which leaves the element through the rear part thereof, intended to ensure sealing, but which must allow the conductor to be housed by displacement perpendicular to the surface , that is to say without having to put it on.
  • the lateral pieces or sides 12 of the connector element generally made of thermoset or hard thermoplastic material, have a face intended to come to bear on the central piece and on the contacts so as to retain the latter.
  • the contacts 13a are advantageously given elasticity in the direction of support, for example by locally deforming them outwards to form a thinned zone of the corresponding flank 12.
  • the stack formed by the central part 11 and the sides 12 is kept assembled by two shells 21 and 22, which will generally be metallic and applied one against the other by any assembly means, constituted in the case illustrated on Figures 3, 4, 5 and 7, by a metal blade 31 placed in a groove of the shells and attached to the studs 32 of the shells.
  • the front part of the shells must be provided to be able to fit and attach to the shells of the associated connector element.
  • the fixing means can be any. In the case illustrated in Figures 3 and 4, they include screws 34 provided to engage in threaded holes in the shells of the other connectors.
  • Holes 35 may be provided in the shells to allow the passage of additional assembly means or that of guide rods for stacking several connectors. In this case, a single set of screws 34 is sufficient for all of the stacked connectors.
  • the element 10 with female contacts has a constitution similar to that of the element 26 and also comprises a central part 11 and two sides 12.
  • the central part 11 is still provided with immobilizing lugs 28 of the contacts 13.
  • these lugs have a triangular shape in section in the plane of the contacts (FIG. 8) and the lateral notches 29 in which they fit are oriented at 90 ° de-notches of the contacts 13a so as to be made according to the width of the contacts.
  • the shells 33 of the element 10 are identical to those of the element 26, except that they have tapped holes 33 intended to receive the screws 34.
  • the elements 10 and 26 are one and the other provided with conductor retaining means which may have any constitution and are represented in the form of a bar 34 provided with an internal elastomer lining and fixed by screws 35 on the rear part of one of the shells 22 , longer than the other.
  • each contact 13 or 13a is crimped onto the corresponding conductor 14
  • each contact 13 or 13a of the same ply is then introduced into the corresponding hole in the plate 27 by sliding it forwards over the lug 28, the elasticity of the bending contacts and the triangular shape of the pins 28 of the element 10 facilitating this introduction.
  • the contact is fully inserted, its rear part is moved transversely to the direction of primitive engagement to lock the contact on the corresponding lug and the corresponding conductor is placed in the sealing means.
  • the contact is then in a precisely defined position by pressing its large faces on the central part 11 ( Figures 5 and 8).
  • the sidewall 22 corresponding to the ply is put in place to prevent the contacts from coming off the pins 28 and the same sequence is repeated for the other ply.
  • the rear part of the elements intended to ensure sealing, will have a very variable constitution depending on the nature of the cable to be connected and the fact that the connector is or is not intended to receive conductors of any size within a determined range.
  • the sealing means may have, for each ply, the constitution shown in FIG. 10.
  • These means include the part rear, in flexible elastomer, of the central part in which are formed passages of semi-circular section 37 intended to receive the wires.
  • the wall of each passage is extended by two lips 38 which, at rest, release a conductor entry slot and which have a length such that their ends are joined once the lips closed on the conductor in place, of predetermined diameter.
  • the side has, for its part, grooves 39 of profile chosen to keep the lips applied sealingly on the insulated conductor.
  • FIGS. 11A to 11C show various alternative embodiments intended for conductors of determined diameter.
  • Figure 11A shows a fraction of the room central 11, containing two layers of conductors on which the lips 38 are closed.
  • the variants shown in FIGS. 11A, 11B, 11C differ essentially from the embodiment in FIG. 10 by profiles provided on the sides 12.
  • FIGS. 11D and 11E makes it possible to ensure sealing on any conductor whose diameter is included in a determined range.
  • the part 11 has a single deformable lip 39, of great length to partially cover a flange 40 placed on the other side of the passage 37.
  • FIG. 11E (where only a fraction of the part 11), it can be seen that the two lips 11 and 12, of unequal lengths, overlap over a distance which depends on the diameter of the conductor 14.
  • the sealing means will have a different constitution from those which have just been described when the cable to be connected is of the sheet type or of the flat type (printed on insulated flexible support). They can then in particular have the form shown diagrammatically in FIG. 12.
  • the flat cable 43 is clamped between the beads, located face to face with two elastomer plates 44 and 45 respectively bonded to the central part 11 and each side 12.
  • connection between contacts and conductors can be of any type, including by self-stripping knives or pins in the case of flat or flat cables.
  • Each connector element can have more than two layers in a single pair of shells.
  • the shape of the immobilizing members can be adapted to engagement in a direction which is not perpendicular to the plane of the ply or plies.
  • the connector elements can be provided with any coupling means, for example with bayonet. It should be understood that the scope of this patent extends to such variants as well, more generally, than to all others remaining within the framework of equivalences.
  • each connector element should be interpreted as covering in particular a fiber optic tip.
  • each connector element will include centering means making it possible to align the cooperating ends of the two elements precisely one opposite the other (dihedrons for example).
  • the contacts being directly accessible while they are in place until they are covered by a flank, it is possible to make connections by traditional means on the contact sheet. before laying the sidewall.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP82402026A 1981-11-03 1982-11-03 Flachverbinder für eine grosse Anzahl von Kontakten Withdrawn EP0078750A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8120561A FR2515883A1 (fr) 1981-11-03 1981-11-03 Connecteur plat a grand nombre de contacts
FR8120561 1981-11-03

Publications (1)

Publication Number Publication Date
EP0078750A1 true EP0078750A1 (de) 1983-05-11

Family

ID=9263637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82402026A Withdrawn EP0078750A1 (de) 1981-11-03 1982-11-03 Flachverbinder für eine grosse Anzahl von Kontakten

Country Status (2)

Country Link
EP (1) EP0078750A1 (de)
FR (1) FR2515883A1 (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0241406A1 (de) * 1986-04-10 1987-10-14 UNITED TECHNOLOGIES AUTOMOTIVE, Inc. Abgedichtete elektrische Verbinderanordnung
EP0242318A1 (de) * 1986-04-10 1987-10-21 UNITED TECHNOLOGIES AUTOMOTIVE, Inc. Anordnung zum Sichern eines elektrischen Steckers in einem Steckergehäuse
DE3938931A1 (de) * 1988-11-24 1990-05-31 Yazaki Corp Wasserdichter schlitzkontaktverbinder
GB2229584A (en) * 1989-01-12 1990-09-26 Paul Shane Bennets Mounting contacts in an electrical connector
EP0444478A1 (de) * 1990-03-01 1991-09-04 Gebhard, Dietrich Kontaktträger für eine Steckdose oder einen Stecker für eine Steckverbindungen fÀ¼r den elektrischen Anschluss von Kraftfahrzeuganhängern
GB2261777A (en) * 1991-11-19 1993-05-26 Moji Seisakusho Kk Pole holding member for an electrical connector
GB2291283A (en) * 1994-06-30 1996-01-17 Whitaker Corp Sealed interconnect system
WO1996013880A1 (en) * 1994-10-31 1996-05-09 Framatome Connectors International S.A. Sealing unit, particularly for electric connectors
WO1997036346A1 (en) * 1996-03-27 1997-10-02 The Whitaker Corporation Sealed electrical connector
US6302734B1 (en) * 1999-03-09 2001-10-16 Sumitomo Wiring Systems, Ltd. Waterproof connector with sealing member
FR2868884A1 (fr) * 2004-04-07 2005-10-14 Radiall Sa Connecteur pour cable comportant une pluralite de conducteurs torsades
DE202013000969U1 (de) * 2013-01-31 2014-05-08 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinder
EP3369141B1 (de) * 2015-10-27 2020-12-09 Harting Electric GmbH & Co. KG Isolierkörper für einen steckverbinder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429867C (de) * 1926-06-16 Controller Komm Ges Gekapselter Steckerkoerper
US3353141A (en) * 1966-03-22 1967-11-14 Donald M Budai Flat cable connector
GB1151897A (en) * 1966-11-14 1969-05-14 Electronics Corp America Improvements in or relating to Electrical Connectors.
EP0008827A1 (de) * 1978-08-21 1980-03-19 E.I. Du Pont De Nemours And Company Elektrische Verbindung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429867C (de) * 1926-06-16 Controller Komm Ges Gekapselter Steckerkoerper
US3353141A (en) * 1966-03-22 1967-11-14 Donald M Budai Flat cable connector
GB1151897A (en) * 1966-11-14 1969-05-14 Electronics Corp America Improvements in or relating to Electrical Connectors.
EP0008827A1 (de) * 1978-08-21 1980-03-19 E.I. Du Pont De Nemours And Company Elektrische Verbindung

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242318A1 (de) * 1986-04-10 1987-10-21 UNITED TECHNOLOGIES AUTOMOTIVE, Inc. Anordnung zum Sichern eines elektrischen Steckers in einem Steckergehäuse
EP0241406A1 (de) * 1986-04-10 1987-10-14 UNITED TECHNOLOGIES AUTOMOTIVE, Inc. Abgedichtete elektrische Verbinderanordnung
DE3938931A1 (de) * 1988-11-24 1990-05-31 Yazaki Corp Wasserdichter schlitzkontaktverbinder
GB2229584A (en) * 1989-01-12 1990-09-26 Paul Shane Bennets Mounting contacts in an electrical connector
GB2229584B (en) * 1989-01-12 1993-02-03 Paul Shane Bennets Electrical multiple contact connector
EP0444478A1 (de) * 1990-03-01 1991-09-04 Gebhard, Dietrich Kontaktträger für eine Steckdose oder einen Stecker für eine Steckverbindungen fÀ¼r den elektrischen Anschluss von Kraftfahrzeuganhängern
GB2261777A (en) * 1991-11-19 1993-05-26 Moji Seisakusho Kk Pole holding member for an electrical connector
GB2291283B (en) * 1994-06-30 1997-11-19 Whitaker Corp Interconnect system
GB2291283A (en) * 1994-06-30 1996-01-17 Whitaker Corp Sealed interconnect system
WO1996013880A1 (en) * 1994-10-31 1996-05-09 Framatome Connectors International S.A. Sealing unit, particularly for electric connectors
US6217385B1 (en) 1994-10-31 2001-04-17 Framatome Connectors International S.A. Sealing unit, particularly for electric connectors
WO1997036346A1 (en) * 1996-03-27 1997-10-02 The Whitaker Corporation Sealed electrical connector
US6302734B1 (en) * 1999-03-09 2001-10-16 Sumitomo Wiring Systems, Ltd. Waterproof connector with sealing member
FR2868884A1 (fr) * 2004-04-07 2005-10-14 Radiall Sa Connecteur pour cable comportant une pluralite de conducteurs torsades
DE202013000969U1 (de) * 2013-01-31 2014-05-08 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinder
EP3369141B1 (de) * 2015-10-27 2020-12-09 Harting Electric GmbH & Co. KG Isolierkörper für einen steckverbinder

Also Published As

Publication number Publication date
FR2515883A1 (fr) 1983-05-06
FR2515883B1 (de) 1984-01-20

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Inventor name: BEPOIX, MICHEL