EP0063696B1 - Unités de fiche d'insertion pour câbles plats - Google Patents

Unités de fiche d'insertion pour câbles plats Download PDF

Info

Publication number
EP0063696B1
EP0063696B1 EP82102536A EP82102536A EP0063696B1 EP 0063696 B1 EP0063696 B1 EP 0063696B1 EP 82102536 A EP82102536 A EP 82102536A EP 82102536 A EP82102536 A EP 82102536A EP 0063696 B1 EP0063696 B1 EP 0063696B1
Authority
EP
European Patent Office
Prior art keywords
contact
insert element
plug insert
plug
block
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
Application number
EP82102536A
Other languages
German (de)
English (en)
Other versions
EP0063696A1 (fr
Inventor
Werner Dipl.-Ing. Kewitz
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.)
Albert Ackermann GmbH and Co KG
Original Assignee
Albert Ackermann GmbH and Co KG
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 Albert Ackermann GmbH and Co KG filed Critical Albert Ackermann GmbH and Co KG
Priority to AT82102536T priority Critical patent/ATE14260T1/de
Publication of EP0063696A1 publication Critical patent/EP0063696A1/fr
Application granted granted Critical
Publication of EP0063696B1 publication Critical patent/EP0063696B1/fr
Expired 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • 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
    • H01R13/26—Pin or blade contacts for sliding co-operation on one side only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation

Definitions

  • the invention relates to a plug insert element for flat cords for receiving in a connector housing, in particular for connecting to flat cords of low-voltage technology, consisting of a block-shaped insulating part, with inside, side-by-side, one-sided closed receptacle guides for the ends of the individual wires of the flat cords, in each receiving guide a contact tongue extends in, which can be pushed through the insulation of the single wires and which creates an electrical connection with the stranded wire of the assigned single wire.
  • a connector which has an insulating block area in which receiving guides for the individual wires of a flat cord are inserted. From one side of the bock area, contact tongues are inserted into the area of the receptacle guides, which, with molded tips, contact the wire of the respective single wire. On the back of these contact tongues facing away from the wires, a contact element comes to lie when the plug connection is assembled, so that the connection between the contact element and the individual wires is established via the conductive contact tongue.
  • Such plugs are usually used in low-voltage technology, for. B. for telecommunications systems (telephone systems, etc.) used, because of the relatively low voltages used there, the functionality of the plug depends on the reliable contact, d. H. that no large contact resistances may occur in the area of contacting in order to ensure perfect contacting. Another requirement for these plugs is that they should be relatively small and should ensure that the flat cords are held reliably.
  • the invention has for its object to provide a plug element for flat cords, in which more contact points can be created with the same size of the block area - while ensuring good contact - as is the case with the known design.
  • the invention is that the contact tongues are formed as laterally angled areas of elongated contact springs and that the contact springs are arranged diametrically opposite each other on two mutually parallel outer sides of the block-shaped insulating part such that the contact tongues alternately in each case from the opposite sides of the block-shaped insulating part a guided tour is enough.
  • the spacing of the contact springs ie. H. with a constant pitch for these contact springs and with constant dimensions of the insulating part, twice as many individual wires are contacted than is the case with the known design.
  • By angling the contact tongues to the side relatively long contact areas can be achieved between the contact tongues and the strands, and thus a relatively large conductor cross section.
  • a material which is not as good as gold as a material e.g. B. nickel silver can be used, which makes the manufacture significantly cheaper.
  • the broad sides of the block area are used as the two opposite sides, since the block area is usually cuboid and more space is available on the broad sides for the arrangement of the contact tongues.
  • the receiving channels are then formed in the middle of the insulating part in a row next to each other, so that the path for both contact tongues up to the individual wires is the same from both sides.
  • contact springs of identical design can be used for both sides.
  • the contact tongues are angled at right angles. Since the contact tongues on one side of the insulating part are rotationally symmetrical, i.e. H. rotated by 180 ° to each of the other sides results in a simple structure.
  • the contact springs are held in receiving chambers on the opposite sides of the block area, since this fixes the position of the contact springs.
  • the arrangement of the contact springs can be such that they form a grid that corresponds to the required DIN standards for plugs of low-current technology.
  • Each receiving chamber is assigned a channel which corresponds to the angled area of the contact spring and which opens into a receiving channel of the block area.
  • the contact tongues designed as angled areas of the contact springs come to rest in this channel, the corresponding angled areas being guided through these channels when the contact springs are inserted so that they are automatically brought into a position opposite the receiving channels in which it is ensured that they touch the strand of the individual wires and therefore the corresponding seat of the contact springs is fixed by inserting the contact springs into the receiving chambers and inserting the angled regions into the receiving channel.
  • the plug insert element has a fork-shaped receiving area which adjoins the block area and has cutouts in which the contacting curvatures of the contact springs come to rest.
  • this fork-shaped receiving area can likewise ensure that the contact springs are fixed and at the same time serves as the area in which the actual contact with the mating plug element then comes about.
  • the contact springs then extend from the block area to the end of the receiving area, so that relatively large contact areas are created.
  • the receiving chambers have plastic deformations on both sides of the seat of the angled region of the contact spring, the contact springs being provided with cutouts corresponding to the plastic deformations. As a result, fixation is achieved after the contact springs have been inserted, and if these plastic deformations are configured appropriately, simply pressing in the contact springs can be sufficient to arrest them at the block area of the insert element.
  • the contact springs can be provided with a threshold-shaped curvature that lies approximately in the transition area from the block area to the fork-shaped receiving area, which is followed by a contacting curvature in the direction of the receiving area.
  • the threshold-shaped curvature serves to absorb the forces that occur in the longitudinal direction of the contact springs when the plug insert element is inserted, so that no displacement of the position of the contact springs can occur.
  • the contact curvature in the receiving area ensures a certain spring pressure to support the contact establishment.
  • a cross-directional formation is provided, which can serve that the single wires experience a cross-sectional narrowing in this area, whereby a protection against tensile stress of the flat cord can be achieved. This is done by pressing the plastic that is still between the wires and the recessed parts in the direction of the individual wires, which happens after the insertion of the single wires in the receiving channels. This will secure them against being pulled out.
  • the entire plug insert element can be made in one piece from plastic, e.g. B. as an injection molded part, which allows a very cheap production.
  • plastic e.g. B.
  • German silver can be used as the base material for the contact springs, which makes the production relatively cheap.
  • the plug insert element can be embedded in a plug-in wall designed as an angled plug, but it can also be used in a plug-in wall designed as a straight plug.
  • this plug insert element thus represents a special form of the design of the root or crown side of a flat cord, which, depending on the intended use, can be inserted in different plug housings depending on the desired design.
  • FIG. 1, 2 denotes the block area of a plug insert element according to the invention, which is designed as an insulating part and has a rectangular cross section.
  • Receiving guides 4 are arranged in the interior of the block area 2 and run at a constant distance from one another.
  • the single wires 3 of a flat cord are inserted into these receiving guides 4.
  • Contact tongues 5 extend from the top and bottom 8 and 9 into the area of the individual wires, cut through their insulation and contact the strands 7 of the individual wires 3.
  • the contact tongues 5 are angled laterally from contact springs 12 and are therefore laterally offset from these. They therefore open on the adjacent single wires 3 alternately from the opposite top and bottom sides 8 and 9 of the block area 2 into the receiving guides 4.
  • the contact tongues are provided with an angled contact surface 6, which can be selected to be relatively wide and is part of the associated contact spring 12 in the exemplary embodiment.
  • the contact springs 12 have a certain grid spacing S from one another which can meet the required DIN standards for such plugs. This arrangement of the alternating contacting with the aid of the contact tongues 5 enables a relatively large number of individual wires to be contacted, although there is still sufficient space for the contact areas so that relatively large contact areas can be achieved. As a result, it is not necessary to use material with very good electrical conductivity for the contact tongues.
  • the gold plating of the contact parts required in known, small-sized plugs can be omitted.
  • the contact tongues are automatically guided in a conical channel 10 when they are inserted into the block area 2 in such a way that they inevitably open into the receiving guides 4, which always ensures reliable contact.
  • a block-shaped receiving area 13 adjoins the block area 2 of the plug insert element 1.
  • This receiving area 13 like the receiving chambers 22 of the block area 2, serves to receive a contact spring 12 which has an angled area which forms the contact tongue 5.
  • This has, for example, two tips 11, which achieve a better cut through the insulation and produce good contact with the strand 7 of the single wire 3 shown.
  • the contact spring 12 In front of and behind the contact tongue 5, the contact spring 12 is fixed in position after insertion by plastic deformations 14 which engage in recesses 16 of the contact spring 12. With a corresponding design of the plastic deformations 14, there is a clamping effect when the contact springs 12 are pressed in.
  • the contact springs 12 can be seen from FIG. 3. It can be seen there that the contact spring in the area in which it runs in the block area has the cutouts 16, which interact with the plastic deformations 14 shown in FIG. 2 in the respective receiving chambers 22 and thereby allow the contact springs to be fixed.
  • the contact spring 12 is provided with a threshold-shaped curvature 17, which is designed to correspond to a curvature of the plug insert element 1 at this transition area.
  • the forces occurring in the longitudinal direction of the contact spring 12 are absorbed.
  • This area is followed in the direction of the receiving area 13 by a contact arch 18, in the area of which the actual contact is made.
  • This curvature is designed so that a resilient contact pressure is created when the connector is brought together, which ensures reliable contacting over a large area.
  • FIG. 4 shows a plan view in the direction of arrow P on the plug insert element of FIG. 2, the arrangement of the contact springs 12 being recognizable.
  • the contacting arch 18 from the receiving region 13 in the direction of the block region 2 is followed by the threshold-shaped arch 17, which then merges into the part on which the contact tongue 5 is formed.
  • the shape 15 extending transversely to the direction of insertion can be seen, which is used to prevent the individual wires from being pulled out by using a tool to press the plastic remaining between the wire and the shape in the direction of the wires.
  • 5a to 6b show how the plug insert element can be used together with corresponding plug housings.
  • 5a shows a connector housing designed as an angled connector 19, in which the connector insert element 1 is received and fixed.
  • a flat cord 20 opens into the angled connector housing and is held there. The single wires are accommodated in the plug insert element, as can be seen from the previous explanations.
  • Fig. 5b shows a view in the direction of arrow Q of Fig. 5a on this connector, wherein the contact curvatures 18 of the contact springs can be seen.
  • 6a shows another use of a plug insert element, in which a straight plug 21 serves as the plug housing, in which the plug insert element is held in a corresponding manner.
  • 6b shows the top view in the direction of arrow R on the plug insert element shown in FIG. 6a, again with the contacting curvatures 18.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Insulated Conductors (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (12)

1. Garniture de connecteur pour câbles plats à loger dans un boitier de connecteur, en particulier pour la liaison à des câbles plats de la technique des courants faibles, constituée d'une partie isolante massive (2), comportant à l'intérieur des guidages récepteurs (4), disposés en série l'un à côté de l'autre et fermés d'un côté, pour les extrémités des différents conducteurs (3) des câbles plats, étant précisé que, dans chaque guidage récepteur (4), parvient une lame de contact (5) que l'on peut faire pénétrer, par pression, à travers l'isolation des différents conducteurs (3) et qui réalise une liaison électrique avec le toron (7) du conducteur correspondant (3), caractérisée en ce que les lames de contact (5) sont conçues en tant que portions, repliées latéralement, de ressorts de contact (12) de forme allongée; et en ce que les ressorts de contact (12) sont disposés sur deux faces externes (8, 9), parallèles l'un à l'autre, de la partie isolante massive (2), respectivement diamétralement situés en face l'un de l'autre de façon telle que les lames de contact (5) perviennent dans chaque fois un guidage récepteur (4) alternativement depuis les faces opposées (8, 9) de la partie isolante massive (2).
2. Garniture de connecteur selon la revendication 1, caractérisée en ce que les guidages récepteurs (4) sont disposés dans l'axe de la partie isolante massive (2) et parallèlement aux faces externes (8, 9) qui maintiennent les ressorts de contact (12).
3. Garniture de connecteur selon la revendication 1 et la revendication 2, caractérisée en ce que tous les ressorts de contact (12) ont une forme identique et sont maintenus dans les logements récepteurs (22) sur les faces opposées (8, 9) de la partie isolante massive (2).
4. Garniture de connecteur selon les revendications 1 à 3, caractérisée en ce qu'à chaque logement récepteur (22) correspond un canal de guidage (10), de forme correspondante à la zone repliée (5) du ressort de contact (12), pour donner un guidage récepteur (4).
5. Garniture de connecteur selon l'une des revendications 1 à 4, caractérisée en de ce que la garniture de connecteur (1) présente une portion réceptrice (13), en forme de chape, se raccordant à la partie isolante massive (2) et comportant des logements dans lesquels viennent se placer les bombements de connexion (18) des ressorts de contact (12).
6. Garniture de connecteur selon l'une des revendications 3 à 5, caractérisée en ce que le logement récepteur (22) présente, des deux côtés du siège de la zone repliée du ressort de contact (12) des déformations du plastique (14) qui collaborent avec des découpes (16), de forme correspondante, des ressorts de contact (12).
7. Garniture de connecteur selon l'une des revendications précédentes 1-6, caractérisée en ce que les ressorts de contact (12) présentent un bombement (17), en forme de seuil, qui vient se loger à peu près dans la portion de transition pour passer de la partie isolante massive (2) à la portion réceptrice en forme de chape (13), bombement auquel se raccorde, dans la direction de la portion réceptrice (13), le bombement de mise en contact (18).
8. Garniture de connecteur selon l'une des revendications précédentes, caractérisée en ce que, dans la zone d'entrée des différents conducteurs (3) dans la partie isolante massive (2), est prévu un évidement (15) courant perpendiculairement à la direction des conducteurs.
9. Garniture de connecteur selon l'une des revendications précédentes, caractérisée en ce que la garniture de connecteur (1) est fabriquée d'une pièce, en plastique.
10. Garniture de connecteur selon l'une des revendications précédentes, caractérisée en ce que la garniture de connecteur (1) est entourée d'un boitier de connecteur en forme de connecteur d'angle (19).
11. Garniture de connecteur selon l'un des revendications 1 à 9, caractérisée en ce que la garniture de connecteur (1) est entourée d'un boitier de connecteur en forme de connecteur droit (21).
12. Garniture de connecteur selon la revendication 1, caractérisée en ce que des zones repliées des lames de contact (5) se détachent à angle droit.
EP82102536A 1981-03-28 1982-03-26 Unités de fiche d'insertion pour câbles plats Expired EP0063696B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102536T ATE14260T1 (de) 1981-03-28 1982-03-26 Steckereinsatzelemente fuer flachschnuere.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3112362 1981-03-28
DE3112362A DE3112362C2 (de) 1981-03-28 1981-03-28 Steckereinsatzelement für Flachschnüre

Publications (2)

Publication Number Publication Date
EP0063696A1 EP0063696A1 (fr) 1982-11-03
EP0063696B1 true EP0063696B1 (fr) 1985-07-10

Family

ID=6128590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102536A Expired EP0063696B1 (fr) 1981-03-28 1982-03-26 Unités de fiche d'insertion pour câbles plats

Country Status (3)

Country Link
EP (1) EP0063696B1 (fr)
AT (1) ATE14260T1 (fr)
DE (2) DE3112362C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340035C2 (de) * 1983-11-05 1986-11-13 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Kontaktelement mit Eindringklemme sowie Steckergehäuse dafür
US4602830A (en) * 1984-09-20 1986-07-29 Amp Incorporated Double row electrical connector
NL8503347A (nl) * 1985-12-04 1987-07-01 Du Pont Nederland Connector.
US4679879A (en) * 1986-10-03 1987-07-14 Molex Incorporated Plug and receptacle connector assembly
CA1306025C (fr) * 1988-02-15 1992-08-04 John C. Collier Connecteurs pour conducteurs isoles
JPH0239465U (fr) * 1988-09-05 1990-03-16
GB9605149D0 (en) * 1996-03-11 1996-05-08 Amp Great Britain Connector and cable assembly for ribbon cable with 90‹ outlet
FR2815780B1 (fr) * 2000-10-19 2004-12-24 Pouyet Sa Conjoncteur telephonique femelle pour l'insertion fiabilisee d'une fiche male
DE20319849U1 (de) 2003-12-22 2005-05-04 ITT Manufacturing Enterprises, Inc., Wilmington Steckverbindervorrichtung für mehradrige Flachbandkabel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214723A (en) * 1961-06-05 1965-10-26 Burndy Corp Tape cable connector
CH413034A (fr) * 1964-07-01 1966-05-15 Burndy Corp Dispositif de connexion électrique pour câble souple et plat
US3760335A (en) * 1971-05-27 1973-09-18 Amp Inc Pre-loaded electric connector
US3860316A (en) * 1973-07-06 1975-01-14 Western Electric Co Electrical connecting devices for terminating cords and methods of assembling the devices to cords
US3879099A (en) * 1973-09-04 1975-04-22 Amp Inc Flat fexible cable connector assembly including insulation piercing contacts
US3982809A (en) * 1975-12-29 1976-09-28 Gte Automatic Electric Laboratories Incorporated Cord adapter
US4160574A (en) * 1977-04-11 1979-07-10 Bunker Ramo Corporation Connector for flat wire cables having improved contacts and integral strain relief means

Also Published As

Publication number Publication date
DE3112362C2 (de) 1984-08-09
DE3264632D1 (en) 1985-08-14
EP0063696A1 (fr) 1982-11-03
ATE14260T1 (de) 1985-07-15
DE3112362A1 (de) 1982-10-14

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