EP0020241A1 - Verbindungsvorrichtung für isolierte elektrische Leiter - Google Patents

Verbindungsvorrichtung für isolierte elektrische Leiter Download PDF

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Publication number
EP0020241A1
EP0020241A1 EP80400708A EP80400708A EP0020241A1 EP 0020241 A1 EP0020241 A1 EP 0020241A1 EP 80400708 A EP80400708 A EP 80400708A EP 80400708 A EP80400708 A EP 80400708A EP 0020241 A1 EP0020241 A1 EP 0020241A1
Authority
EP
European Patent Office
Prior art keywords
fork
slot
connection
connection piece
slots
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
EP80400708A
Other languages
English (en)
French (fr)
Other versions
EP0020241B1 (de
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/de
Application granted granted Critical
Publication of EP0020241B1 publication Critical patent/EP0020241B1/de
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 subject of the invention is a device for connecting insulated electrical conductors by insulation displacement connector comprising a conductive connection piece of the fork or clamp type with at least two elastic branches providing between them a slot in which the electrical conductor to be connected is inserted.
  • the connecting piece being intended to be introduced into a cell of a base made of insulating material, characterized in that the connecting piece of the double fork type has two inclined slots whose axes converge towards the top of the connector.
  • connection piece comprises at least one accentuated boss on the internal edge of one of the branches of the connection piece, a boss situated between the bottom of the slot and the opening of the slot and intended for a part to calibrate the opening of the slot and secondly to retain the conductor in the slot after its establishment and the boss is obtained by pushing, stamping, stamping or the like, executed near the edge of said slot but at a certain distance from said edge so as not to reduce the thickness of the part on its edge.
  • connection part comprises an orifice formed in the central branch intended to hang in a stud, carried by the support so as to immobilize the central branch during the introduction of a conductor into a slot the connecting piece.
  • the fork connection piece shown in the figures is made from a spring-quality metallic material, according to a known manufacturing process.
  • It consists of 3 branches: a left side branch 1, a central branch 2, a right side branch 3.
  • V-shaped slots Between the branches are V-shaped slots: left slot 4, right slot 5, the openings 6 and 7 of which are strictly identical in size and adapted to the diameters of the conductors.
  • the conductors are inserted one after the other, each in their respective slots, up to a certain distance from the inlet.
  • the conductor 8 is pushed into the slot 5 (according to FIG. 2); as and when it moves the elastic branches 2 and 3 are progressively spaced from each other which has the effect of increasing the opening 7 but also and above all would have the effect of reducing the opening 6 if the central branch was not maintained.
  • a feature of the present invention aims to remedy this kind of drawback.
  • an insulating support 10 is provided the housing 11 of the fork 12. Inside the housing 11 a rigid stud 13 will be placed in a hole 14 formed in the central branch 2 of the fork. Under these conditions, it can be seen that the introduction of the conductor 8 into the slot 5 progressively separates the right lateral branch 3 from the central branch 2 in the direction of the arrow C. It there is displacement only of the side branch 3 only because the central branch 2 is held stationary by the stud 13 passing through the orifice 14. As a result, the opening 6 of the slot 4 does not vary any more, whence an opening dimension which remains well suited to the diameters of the conductors to be inserted.
  • FIG. 3 shows an exemplary embodiment allowing both the reduction of the precision of the crushing and the improvement of the retention of the conductive wire in the slot of the fork.
  • the spacing of the lateral branches 1 and 3 relative to the central branch 2 is obtained by crushing 37 and 38 and displacement of the metal of the central branch 2 no longer at the base of the slots 4 and 5 but at an intermediate distance between the base and the top of the slot, crushings which cause bosses 59.
  • Figure 3 shows that for the same opening the value of the crushing is less critical than in the case of Figure 2 due to its reduced distance from the top of the slot.
  • FIG. 3 shows an example of use.
  • the fork being placed in its insulating support 10, the central branch 2 is immobilized by the stud 13 passing through the orifice 14 of the central branch.
  • a conducting wire 8 is inserted into the slot 5 until it rests on the upper face 28 of the insulating support 10. At this time the conducting wire 8 is below the level of the crush 38.
  • the face 28 thus determines the lower limit 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 58 of the boss 59 against the opposite branch (see Figure 4 section IV-IV of Figure 3).
  • the crushings 36 and 37 are carried out simultaneously by a punch in full material on the two faces 54 and 55 of the branch 2 at a certain distance 57 from the support zone 58, thus pushing the material back without reducing its thickness. in the same way on the two faces 54 and 55.
  • 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.
  • the shape of the stop can be of different types. Furthermore, this device is equally applicable to forks comprising one or more slots (single, double, triple forks, etc.).
  • FIG. 5 shows a variant connector in which the bosses have the shape of a harpoon 67, 68. They are obtained by means of a triangular-shaped die cut 69, 70.
  • the shape of the bosses 67, 68 allows the introduction of the conductive wire 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.
  • Figures 6 and 7 show an exemplary embodiment which provides a reduction in the dimensions of the fork both at the end and at the base, without detracting from 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 part, while reducing both the top and bottom dimensions.
  • FIGS. 6 and 7 shows such a fork in the working state in which a wire 8 is inserted, it can then be seen that the dimension at the top remains less than the dimension of the base of the fork 75.
  • 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.
  • 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 in principle come to bear in a U-shaped metal part 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. Assuming the left part of the fork also in the working position, the pressure then exerted by the studs 82 and 83 on the metal part 84 could become zero, thus causing the interruption of the electrical circuit.
  • 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-hand side 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.

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 Verbindungsvorrichtung für isolierte elektrische Leiter Expired EP0020241B1 (de)

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
FR7913326A FR2457574A1 (fr) 1979-05-25 1979-05-25 Dispositif de raccordement de conducteurs electriques isoles
FR7913326 1979-05-25

Publications (2)

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

Family

ID=9225863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400708A Expired EP0020241B1 (de) 1979-05-25 1980-05-21 Verbindungsvorrichtung für isolierte elektrische Leiter

Country Status (8)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451867A (en) * 1981-09-28 1984-05-29 Imperial Chemical Industries Plc Electrically actuable ignition assembly
FR2580430A1 (fr) * 1985-02-18 1986-10-17 Caris Marcel Element de raccordement electrique
EP0237141A2 (de) * 1986-03-12 1987-09-16 Nortel Networks Corporation Kabelendverbinder mit den isolierungverdrängenden Klemmen
EP0321726A2 (de) * 1987-12-23 1989-06-28 Siemens Aktiengesellschaft Einrichtung zum Anschliessen zweier Schaltdrähte an eine Schneidklemme
WO1991008599A1 (de) * 1989-11-30 1991-06-13 Siemens Aktiengesellschaft Schneidklemme zum anschliessen von isolierten schaltdrähten
FR2664433A1 (fr) * 1990-07-04 1992-01-10 Nozick Jacques Contact auto-denudant.

Families Citing this family (11)

* 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
FR2525824A1 (fr) * 1982-04-26 1983-10-28 Caris Marcel Dispositif de raccordement electrique
DE3581138D1 (de) * 1984-08-07 1991-02-07 Sumitomo Wiring Systems Steckverbindervorrichtung zum anschliessen von elektrischen kabeln.
US4638559A (en) * 1984-10-30 1987-01-27 At&T Technologies, Inc. Methods of and apparatus for making slotted beam contact elements
DE3509523C3 (de) * 1985-03-16 1996-07-04 Quante Ag Kabelabschlußeinheit
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

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB906665A (en) * 1958-12-05 1962-09-26 Western Electric Co Improvements in or relating to electrical connectors
FR2122652A5 (de) * 1971-01-18 1972-09-01 Reliable Electric Co
DE2142850A1 (de) * 1971-08-26 1973-03-08 Krone Gmbh Elektrische klemmverbindungsvorrichtung zum anschluss eines oder mehrerer isolierter draehte an einem anschlusselement
FR2271682A1 (de) * 1974-05-16 1975-12-12 Siemens Ag
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
FR2339969A1 (fr) * 1976-01-28 1977-08-26 Siemens Ag Composant pour les barrettes de connexion et/ou de sectionnement dans des repartiteurs pour des installations de telecommunications
FR2343343A1 (fr) * 1976-03-01 1977-09-30 Northern Telecom Ltd Cosse coupante pour conducteur isole
GB1493563A (en) * 1975-04-23 1977-11-30 Kidson C Clip-like terminal
US4118095A (en) * 1977-07-06 1978-10-03 Bell Telephone Laboratories, Incorporated Wire connecting block

Family Cites Families (5)

* 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
US3761866A (en) * 1971-10-06 1973-09-25 Reliable Electric Co Clip terminal
FR2337947A2 (fr) * 1976-01-12 1977-08-05 Reliable Electric Co Bloc de raccordement notamment pour repartiteur telephonique
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB906665A (en) * 1958-12-05 1962-09-26 Western Electric Co Improvements in or relating to electrical connectors
FR2122652A5 (de) * 1971-01-18 1972-09-01 Reliable Electric Co
DE2142850A1 (de) * 1971-08-26 1973-03-08 Krone Gmbh Elektrische klemmverbindungsvorrichtung zum anschluss eines oder mehrerer isolierter draehte an einem anschlusselement
FR2271682A1 (de) * 1974-05-16 1975-12-12 Siemens Ag
GB1493563A (en) * 1975-04-23 1977-11-30 Kidson C Clip-like terminal
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
FR2339969A1 (fr) * 1976-01-28 1977-08-26 Siemens Ag Composant pour les barrettes de connexion et/ou de sectionnement dans des repartiteurs pour des installations de telecommunications
FR2343343A1 (fr) * 1976-03-01 1977-09-30 Northern Telecom Ltd Cosse coupante pour conducteur isole
US4118095A (en) * 1977-07-06 1978-10-03 Bell Telephone Laboratories, Incorporated Wire connecting block

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451867A (en) * 1981-09-28 1984-05-29 Imperial Chemical Industries Plc Electrically actuable ignition assembly
FR2580430A1 (fr) * 1985-02-18 1986-10-17 Caris Marcel Element de raccordement electrique
EP0237141A2 (de) * 1986-03-12 1987-09-16 Nortel Networks Corporation Kabelendverbinder mit den isolierungverdrängenden Klemmen
EP0237141A3 (de) * 1986-03-12 1988-08-10 Nortel Networks Corporation Kabelendverbinder mit den isolierungverdrängenden Klemmen
EP0321726A2 (de) * 1987-12-23 1989-06-28 Siemens Aktiengesellschaft Einrichtung zum Anschliessen zweier Schaltdrähte an eine Schneidklemme
EP0321726A3 (en) * 1987-12-23 1990-05-02 Siemens Aktiengesellschaft Device for connecting two electrical wires to one insulating cutting terminal
WO1991008599A1 (de) * 1989-11-30 1991-06-13 Siemens Aktiengesellschaft Schneidklemme zum anschliessen von isolierten schaltdrähten
TR24783A (tr) * 1989-11-30 1992-05-01 Siemens Ag Izolasyonlu devre kablolarinin baglanmasi icin kesici klemens
FR2664433A1 (fr) * 1990-07-04 1992-01-10 Nozick Jacques Contact auto-denudant.

Also Published As

Publication number Publication date
JPS6335072B2 (de) 1988-07-13
ATE6970T1 (de) 1984-04-15
WO1980002775A1 (fr) 1980-12-11
JPS56500591A (de) 1981-04-30
DE3067324D1 (en) 1984-05-10
EP0020241B1 (de) 1984-04-04
FR2457574A1 (fr) 1980-12-19
FR2457574B1 (de) 1982-12-03
CA1145429A (fr) 1983-04-26
US4350405A (en) 1982-09-21

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