EP0020241B1 - Dispositif de raccordement de conducteurs électriques isolés - Google Patents

Dispositif de raccordement de conducteurs électriques isolés Download PDF

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Publication number
EP0020241B1
EP0020241B1 EP80400708A EP80400708A EP0020241B1 EP 0020241 B1 EP0020241 B1 EP 0020241B1 EP 80400708 A EP80400708 A EP 80400708A EP 80400708 A EP80400708 A EP 80400708A EP 0020241 B1 EP0020241 B1 EP 0020241B1
Authority
EP
European Patent Office
Prior art keywords
connection part
slot
fork
slots
branches
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
EP80400708A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0020241A1 (fr
Inventor
Claude Yapoudjian
Roger Pochet
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.)
Nexans Interface SA
Original Assignee
Mars-Alcatel SA
Mars Actel 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 Mars-Alcatel SA, Mars Actel SA filed Critical Mars-Alcatel SA
Priority to AT80400708T priority Critical patent/ATE6970T1/de
Publication of EP0020241A1 publication Critical patent/EP0020241A1/fr
Application granted granted Critical
Publication of EP0020241B1 publication Critical patent/EP0020241B1/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
    • 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
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates

Definitions

  • the invention relates to a device for connecting insulated electrical conductors by a insulation displacement connector comprising a connecting conductive piece of the double elastic fork type, making inclined slots between its branches, the axes of which converge towards the top of the connector, and into which are inserted. electrical conductors to be connected, the connection part being intended to be inserted into a cell of a base made of insulating material.
  • Such devices are known, for example from document GB-A-906,665.
  • the slots are obtained by removing a metal strip by cutting, then by folding the branches so that the tops of the two branches touch each other.
  • Such slots therefore widen towards the bottom, which makes it necessary to add means for limiting the sinking of the wire.
  • connection piece is composed of two distinct elements, namely a U-shaped element constituting the two lateral branches and an element comprising a finger which constitutes the central branch and which forms with the two lateral branches two inclined slots, the axes of which converge towards the top of the connector.
  • the connection piece is composed of two distinct elements, namely a U-shaped element constituting the two lateral branches and an element comprising a finger which constitutes the central branch and which forms with the two lateral branches two inclined slots, the axes of which converge towards the top of the connector.
  • Such a composite connection piece is costly, bulky and a delicate adjustment.
  • connection pieces with simple forks whose slots are spaced apart by stamping as in the case cited above.
  • the bosses from the stamping are located in such places that they also serve to retain the wires in the slot and to limit their sinking.
  • the object of the invention is to propose a connection device which differs from the devices mentioned above by its small size and by its high resistance to rupture.
  • the fork connection piece shown in the figures is made from a spring-quality metallic material, according to a known manufacturing process.
  • this part is made up of three branches: a left lateral branch 61, a central branch 62, a right lateral branch 63.
  • V-shaped slots Between the branches are V-shaped slots: left slot 64, right slot 65, the openings of which are strictly identical in size and adapted to the diameters of the conductors.
  • the conductors 8 are inserted one after the other, each in their respective slot, up to a certain distance from the inlet orifice.
  • Figures 1 and 2 show in detail the particular shape of the slots, which brings a reduction in the dimensions of the fork both at the end and at the base, without however affecting the mechanical characteristics from which the electrical characteristics derive.
  • the central branch 62 has a slight triangular shape so that the slots 64 and 65 are not parallel but are placed on axes which converge towards a point located beyond the top of the fork.
  • the openings 66 and 67 formed in the base of the fork are not parallel but are placed on axes which converge towards a point situated beyond the base of the fork.
  • the slots 64 and 65 can be extended by slots 76, 77 which are mutually parallel or have different inclinations from the slots 64 and 65.
  • This arrangement makes it possible to keep the lateral branches 61 and 63 of sufficient material sections in the active parts in particular in the zones 71 and 72 on the one hand and 73 and 74 on the other hand, while reducing both the dimensions at the top and at the base.
  • the exemplary embodiment according to FIG. 1 allows both the reduction of the crushing precision and the improvement of the retention of the conductive wire in the slot of the fork.
  • the spacing of the lateral branches 61 and 63 relative to the central branch 62 is obtained by crushing 37 and 38 and displacement of the metal of the central branch 62 no longer at the base of the slots 64 and 65, but at an intermediate distance between the base and the top of the slot, crushings which cause bosses 59.
  • FIG. 3 The right part of Figures 1 and 2 shows an example of use.
  • the central branch 62 is immobilized by the stud 13 carried by a base 10 illustrated in FIG. 3 passing through the hole 14 of the central branch.
  • a conductive wire 8 is inserted into the slot 65 until it rests on the upper face of the insulating base 10. At this time, the conductive wire 8 is below the level of the crush 38. The face of the base thus determines the limit lower than the position that the boss 59 can take.
  • the crushing of the material which forms the stop must not reduce the thickness of the metal in the bearing area of the boss 59 against the opposite branch.
  • the crushings 37 and 38 are carried out simultaneously by a punch in full material on the two faces of the branch 62 at a certain distance from the support zone, thus pushing the material back without reducing the thickness in the same way on both sides.
  • the crushings instead of being carried out on only one of the two branches forming the slot, can be provided in smaller dimensions on either side of the slot on each of the branches.
  • the outer dimensions of the forks vary depending on the state of the idle or working fork. On a fork in the rest state the size of the end of the fork is less than the size of the base of the fork.
  • FIG. 2 represents a variant of a connector in which the bosses have the shape of a harpoon 68. They are obtained by means of a die cut of triangular shape 69, 70.
  • the shape of the bosses 68 allows the introduction of the wire conductor 8 while preventing the exit of this conductor when a tensile force is exerted on this conductive wire in the direction of the opening of the slot.
  • insulation displacement contacts with pressure contacts by pressure, in particular with radial pressure either external or internal, which are respectively double forks terminated by contacts with external and then internal radial pressure, and contacts with simple fork terminated by contacts with external and internal radial pressure.
  • FIG. 2 For the explanation, we will take the example of FIG. 2 of a double fork terminated by contacts with external radial pressure.
  • the fork in the left part is in the rest state (absence of conducting wire) while the right part is in working state (presence of a conducting wire).
  • This fork placed in an insulating support is extended at its base by two elastic tabs 80 and 81 provided with contact pads 82 and 83, which pads must come to bear in a metal part in the shape of, U 84.
  • the stud 82 When the fork is in the rest state, left part of the figure, the stud 82 is under pressure therefore ensures electrical contact with the part 84.
  • the lateral branch 63 moves to the right in the direction of the arrow H by pivoting around a fictitious articulation point 88 located at the base of the clearance light 67. If the bridge 90 did not exist, in its pivoting the lateral branch 63 would cause the elastic tab 81, thus displacing the stud 83 of the metal part 84 and thereby reducing the contact pressure.
  • the elastic tabs 80 and 81 are joined together using a bridge 90 which will have the role of suppressing the rotational movement communicated by the lateral branch 63 to the elastic tab 81, now therefore the stud 83 in permanent contact 85 with the metal part 84.
  • the same reasoning is valid for the left part of the fork when the latter is also in the working position. Any intervention on the fork part will therefore have no repercussions on the pressure contact part. By way of reciprocity, any intervention on the pressure contact part will have no repercussions on the fork part.
  • fig. 3 shows a connection piece according to the prior art, namely with slots 4 and 5 parallel between the branches 1, 2 and 3.
  • a cell 11 receiving the fork 12.
  • a rigid stud 13 is placed in a hole 14 formed in the central branch 2 of the fork.
  • the opening 6 of the slot 4 no longer varies, hence an opening dimension which remains well suited to the diameters of the conductors to be inserted.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
EP80400708A 1979-05-25 1980-05-21 Dispositif de raccordement de conducteurs électriques isolés Expired EP0020241B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400708T ATE6970T1 (de) 1979-05-25 1980-05-21 Verbindungsvorrichtung fuer isolierte elektrische leiter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7913326 1979-05-25
FR7913326A FR2457574A1 (fr) 1979-05-25 1979-05-25 Dispositif de raccordement de conducteurs electriques isoles

Publications (2)

Publication Number Publication Date
EP0020241A1 EP0020241A1 (fr) 1980-12-10
EP0020241B1 true EP0020241B1 (fr) 1984-04-04

Family

ID=9225863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400708A Expired EP0020241B1 (fr) 1979-05-25 1980-05-21 Dispositif de raccordement de conducteurs électriques isolés

Country Status (8)

Country Link
US (1) US4350405A (ko)
EP (1) EP0020241B1 (ko)
JP (1) JPS6335072B2 (ko)
AT (1) ATE6970T1 (ko)
CA (1) CA1145429A (ko)
DE (1) DE3067324D1 (ko)
FR (1) FR2457574A1 (ko)
WO (1) WO1980002775A1 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421374A (en) * 1980-09-05 1983-12-20 Western Electric Company, Inc. Trifurcated insulation-penetrating terminal
EP0076045B1 (en) * 1981-09-28 1986-04-09 Imperial Chemical Industries Plc Electrically actuable ignition assembly
FR2525824A1 (fr) * 1982-04-26 1983-10-28 Caris Marcel Dispositif de raccordement electrique
EP0171737B1 (en) * 1984-08-07 1990-12-27 Sumitomo Wiring Systems, Ltd. Electric wire branching connector device
US4638559A (en) * 1984-10-30 1987-01-27 At&T Technologies, Inc. Methods of and apparatus for making slotted beam contact elements
FR2580430B1 (fr) * 1985-02-18 1987-05-29 Caris Marcel Element de raccordement electrique
DE3509523C3 (de) * 1985-03-16 1996-07-04 Quante Ag Kabelabschlußeinheit
EP0237141A3 (en) * 1986-03-12 1988-08-10 Nortel Networks Corporation Cable terminal connector with insulation displacing terminals
DE8716920U1 (ko) * 1987-12-23 1988-02-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
AU6504690A (en) * 1989-11-30 1991-06-26 Siemens Aktiengesellschaft Gripping/cutting device for use in connecting individual insulated wires
FR2664433B1 (fr) * 1990-07-04 1992-10-09 Nozick Jacques Contact auto-denudant.
US5322812A (en) * 1991-03-20 1994-06-21 Crosspoint Solutions, Inc. Improved method of fabricating antifuses in an integrated circuit device and resulting structure
NL192314C (nl) * 1991-05-02 1997-05-07 Du Pont Nederland Connector bevattende een isolatieverplaatsingscontact.
US5911593A (en) * 1996-07-29 1999-06-15 Glaser; Lawrence F. Electrical conductor terminal and a method of connecting an electrical conductor to a terminal
GB2375237A (en) * 2001-05-01 2002-11-06 Yu-Ho Liang Terminal connector
US6991488B2 (en) * 2002-09-25 2006-01-31 Anthony Freakes Electrical connector devices and methods for employing same
HUP1400211A2 (en) 2014-04-24 2015-11-30 Jozsef Laszlo Baran Method for manufacturing insulation displacement connector device and insulation displacement connector device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694189A (en) * 1953-08-21 1954-11-09 Bell Telephone Labor Inc Solderless wire terminal
US3027536A (en) * 1958-12-05 1962-03-27 Bell Telephone Labor Inc Insulation stripping wire connector
FR2122652A5 (ko) * 1971-01-18 1972-09-01 Reliable Electric Co
DE2142850C3 (de) * 1971-08-26 1974-01-03 Krone Gmbh, 1000 Berlin Elektrische Klemmverbindungsvorrichtung zum Anschluß eines oder mehrerer isolierter Drähte an einem Anschlußelement
US3761866A (en) * 1971-10-06 1973-09-25 Reliable Electric Co Clip terminal
DE2423932C3 (de) * 1974-05-16 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Bauelement für Schalt- und/oder Trennleisten in Verteilern für Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen
ZA752625B (en) * 1975-04-23 1976-06-30 C Kidson A terminal clip
DE2541064A1 (de) * 1975-09-15 1977-03-17 Siemens Ag Klemmelement zum abisolierfreien anschliessen isolierter schaltdraehte
FR2330159A1 (fr) * 1975-10-27 1977-05-27 Carpano & Pons Organe de serrage pour le raccordement de conducteurs electriques
FR2337947A2 (fr) * 1976-01-12 1977-08-05 Reliable Electric Co Bloc de raccordement notamment pour repartiteur telephonique
DE2603151C3 (de) * 1976-01-28 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Bauelement für Schalt- und/oder Trennleisten in Verteilern für Fernmeldeanlagen
CA1029109A (en) * 1976-03-01 1978-04-04 Northern Electric Company Insulation slicing terminal
US4002391A (en) * 1976-03-03 1977-01-11 Northern Electric Company, Limited Insulation slicing terminal
US4085994A (en) * 1976-08-12 1978-04-25 Amp, Incorporated Dual slot contact
US4118095A (en) * 1977-07-06 1978-10-03 Bell Telephone Laboratories, Incorporated Wire connecting block

Also Published As

Publication number Publication date
US4350405A (en) 1982-09-21
CA1145429A (fr) 1983-04-26
FR2457574A1 (fr) 1980-12-19
FR2457574B1 (ko) 1982-12-03
WO1980002775A1 (fr) 1980-12-11
ATE6970T1 (de) 1984-04-15
EP0020241A1 (fr) 1980-12-10
DE3067324D1 (en) 1984-05-10
JPS6335072B2 (ko) 1988-07-13
JPS56500591A (ko) 1981-04-30

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