EP1169751B1 - Elektrische kabelverbindungsanordnung mit schneidklemm- und halterungsspalt - Google Patents

Elektrische kabelverbindungsanordnung mit schneidklemm- und halterungsspalt Download PDF

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Publication number
EP1169751B1
EP1169751B1 EP00917127A EP00917127A EP1169751B1 EP 1169751 B1 EP1169751 B1 EP 1169751B1 EP 00917127 A EP00917127 A EP 00917127A EP 00917127 A EP00917127 A EP 00917127A EP 1169751 B1 EP1169751 B1 EP 1169751B1
Authority
EP
European Patent Office
Prior art keywords
slot
wire
cage
stripping
housing
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
EP00917127A
Other languages
English (en)
French (fr)
Other versions
EP1169751A1 (de
Inventor
Ariel Ruiz
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.)
ABB France SAS
Original Assignee
ABB Entrelec SAS
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 ABB Entrelec SAS filed Critical ABB Entrelec SAS
Priority to EP03024797A priority Critical patent/EP1408583B1/de
Publication of EP1169751A1 publication Critical patent/EP1169751A1/de
Application granted granted Critical
Publication of EP1169751B1 publication Critical patent/EP1169751B1/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
    • 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
    • H01R4/2475—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by screws, nuts or bolts
    • H01R4/2483—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by screws, nuts or bolts penetrating the area under the screw tip
    • 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
    • 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
    • H01R4/2445—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 having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives

Definitions

  • the present invention relates to a wire connection device electric with a stripping and retaining slot.
  • Such a device aims to ensure the electrical connection and immobilization of at least one electrical wire sheathed in insulation, without requiring a prior stripping of this wire.
  • connection devices are usually used to connect wires together, for example in terminal blocks, or to connect wires to electrical equipment, such as a ordered.
  • the slot presents, at one of its ends, a flared mouth intended to facilitate the insertion of the wire to connect in the conductive part, and to ensure a cross section of the insulation surrounding the conductive core of the wire.
  • the wire is presented transversely relative to the slot and then moved in the longitudinal direction of the slot, while retaining itself a transverse orientation to the slot.
  • the conductive core of the wire after local stripping thereof, comes in contact with the edges of the slot which immobilizes it by pressure, and which ensures electrical continuity between the conductive core and the conductive part.
  • connection device stripping in which the connection can be made using a conventional tool like a screwdriver. This is the case for example in the document EP 0 697 749.
  • Patent FR 2 611 406 in the name of the Applicant, like the two other documents cited above, provides for a piece of molded operation with the housing intended to serve as a pusher for making slide the end of the wire between the edges of the stripping slot.
  • other documents describe other examples of ways to introduce from the end of the wire to make the self-stripping connection.
  • connection device which includes a conductive connection piece with a straight stripping slot and a housing which comprises on the one hand a housing for a wire and on the other hand a opening of width corresponding to the conductive part.
  • blade is movable relative to the housing and can be inserted into the housing by a translational movement.
  • connection devices In known connection devices, the conductive part of connection must first ensure the stripping of the wire and then a good electric contact. It must then have good electrical qualities conductivity but also mechanical qualities to guarantee the cutting of wire sheath and sufficient contact force for reliable contact.
  • the known materials which can be good conductors do not have the desired mechanical characteristics, particularly from a point of view elasticity, to allow good stripping and contact force satisfactory.
  • the conductive part is intended to receive ends of wires which all have the same diameter, it is possible to adapt the shape of the connecting piece so that by choosing a material with good, even excellent electrical qualities, good stripping and optimized contact force.
  • the adopted solution consists in making a compromise and in manufacturing the conductive part of connection in a material which has mechanical qualities and satisfactory without being optimal. This forces you to use copper and steel based alloys which are cost-effective relatively high.
  • the object of the present invention is therefore to provide a device for connection that does not require the use of expensive material while allowing satisfactory electrical and mechanical properties, even very satisfactory to allow a good connection of wires different diameters.
  • This device will advantageously make it possible to carry out the connection of a wire using a screwdriver.
  • the proposed device is a connection device for electric wire according to the content of claim 1. Characteristics additional are described in the dependent claims.
  • connection piece is made of a material which is a good conductor, while the means of maintaining and possibly clamps are made of a mechanically resistant material which gives the mechanical rigidity necessary for the connection device to achieve a good electrical connection. Thanks to the holding means and possibly tightening, this new self-stripping connection device accepts, in a given range, wires of diameters significantly different. For wires with a smaller diameter, maintenance of edges of the slit at the mouth is sufficient while for larger diameter wires, tightening will be necessary to ensure good electrical contact.
  • the contact force will be more or less important, inducing a maintenance or a tightening of the edges of the slot On the string.
  • the screwdriver then serves lever to rotate the profile in which the wire is located connect to the connecting piece.
  • Figures 1 and 2 are perspective views of a form of realization of a device according to the invention respectively before connection a wire and after connecting it,
  • Figure 3 is a view along arrow III of Figure 3.
  • Figures 1 to 3 show an embodiment of a device connection according to the invention.
  • the connection of a wire to be connected is done here by a pivoting movement.
  • connection piece 42 a cage 44, a wire to connect 46, an insulating box 48 and a screwdriver 50.
  • the connecting piece 42 is here a bent metal blade and in which a slot 52 has been made by cutting. At this slot 52, the connecting piece 42 has a rounded.
  • This stripping and retaining slot opens at the end curved with the metal blade and then forms a flared mouth 11.
  • the cage 44 is in the form of two sections 54 and 56 the first profile 54 is intended to receive the wire 46. It extends along an axis substantially transverse to the slot of the connection piece.
  • the second profiled part 56 is adjacent to the first and is intended to receive the rod screwdriver 50.
  • the cage 44 is guided in the insulating housing 48 along a path curve having the same curvature as the blade of the connecting piece 42 at the slot 52.
  • a guide rail 58 is provided in the housing 48 to guide the cage 44.
  • the profile 54 has an opening 60 passage and guide to allow the end of the workpiece to penetrate connection 42 on the side of the slot 52 inside this profile. Accommodation with the size is adapted to the end of the connecting piece 42 on the side of the slot 52 is provided in the wall of the profile 54 opposite the wall in which the opening 60 is made. This housing is not seen in the drawing.
  • the connecting piece 42 has a notch intended to receive the free end of the screwdriver 50. This notch is placed substantially at the center of curvature of the part rounding of the connecting piece 42 which is substantially coincident with the center of curvature of the path that the cage can travel 44.
  • the wire 46 is introduced in profile 54 while the connecting piece 42 is located outside the cage 44.
  • the screwdriver 50 is inserted in turn into the profit 56 until that its end comes to bear in the notch 62.
  • the screwdriver 50 can then tilt the cage 44 towards the workpiece connection 42. This then penetrates inside the profile 54 and the wire 46 is housed in the slot 52 while being locally stripped.
  • the end of the connection piece 42, on the side of the end of the slot 52 is placed in the housing provided for this purpose and not visible on the drawing. This keeps the free ends of the connection piece and tighten the edges of the slot 52 on the conductive core of the wire 46.
  • the width of the profile 54 which corresponds to the width of the piece of connection 42 at the level of the slot 52 increased only by a small clearance.
  • connection device described above is a connection not requiring the use of expensive material. We performs a decoupling of functions in this connection device mechanical and electrical. Connection piece ensures good connection electric while the plate or cage provides good rigidity allowing to have a force at the contact points sufficient for a good electrical contact in a given range of wire diameters to be connected.
  • the device described above makes it possible to connect wires of various diameters. It is possible in a device to connect either a wire relatively large diameter or two wires of smaller diameter. For the sons of smaller diameter, it is important that the mouth of the slit stripping is guided at the end of the connection to guarantee pressure sufficient mechanics between the edges of the stripping slot and the core conductor of the connected wire.

Claims (6)

  1. Verbindungsvorrichtung für wenigstens einen elektrischen Draht (46), umfassend:
    ein leitendes Verbindungsstück (42), aufweisend:
    zwei im wesentlichen parallele Ränder, welche einen Abisolier- und -Rückhalteschlitz bestimmen,
    und eine Einführmündung (11) für den im Schlitz anzuschließenden Draht
    und eine Druckvorrichtung (44), welche bezüglich des Verbindungsstücks zwischen einer Einführstellung des Drahts und einer Verbindungsstellung des Drahts beweglich ist und welche eine zum Schlitz im wesentlichen orthogonale Auflagefläche für den Draht bestimmt, um den Draht im Schlitz beim Übergang der Druckvorrichtung von der Einführstellung in die Verbindungsstellung zu drücken, wobei die Druckvorrichtung ferner Mittel (60) umfasst, um in der Verbindungsstellung den Abstand der Ränder des Schlitzes (52) zu begrenzen und gegebenenfalls den einen zum anderen Rand des Schlitzes (52) zu ziehen, wobei die Druckvorrichtung nach Einführung in ihrer Verbindungsstellung verbleibt,
    dadurch gekennzeichnet, dass sie Mittel zur Führung (58) der Druckvorrichtung umfasst, welche dazu ausgerüstet sind, die Druckvorrichtung in Drehung zwischen der Einführstellung und der Verbindungsstellung zu führen.
  2. Verbindungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zur Führung der Druckvorrichtung wenigstens eine Führungsschiene (58) enthalten.
  3. Verbindungsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sie Mittel zur Betätigung durch ein Werkzeug (50) umfasst.
  4. Verbindungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Druckvorrichtung in Form eines Einsatzes (44) ausgeführt ist, welcher eine profilierte Aufnahme aufweist, die dazu bestimmt ist, wenigstens einen zu verbindenden Draht aufzunehmen, und die quer zur Richtung des Abisolier- und Rückhalteschlitzes und im Bereich der Öffnung desselben angeordnet ist,
    dass die Mittel zur Führung dazu vorgesehen sind, eine relative Verlagerung des Einsatzes (44) bezogen auf das Verbindungsstück zuzulassen, und zwar im wesentlichen parallel zum Abisolier- und Rückhalteschlitz,
    und dass die Mittel, um wenigstens den Abstand der Ränder des Schlitzes zu begrenzen, durch eine Öffnung (60) der Aufnahme bestimmt sind, welche den Durchgang und die Führung der Öffnung des Ablsolier- und Rückhalteschlitzes erlaubt, und durch die Breite der Aufnahme, welche derart ist, dass bei der Einführung eines Drahts (46) in den Abisolier- und Rückhalteschlitz das Verbindungsstück (42) in Anschlag mit der Wandung des Einsatzes kommt.
  5. Verbindungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Aufnahme auf zwei gegenüberliegenden seitlichen Wandungen eine Führungsöffnung (60) für die Mündung des Abisolier- und Rückhalteschlitzes aufweist,
    und dass die Mittel zur Führung die Führung des Einsatzes (44) bezogen auf das Verbindungsstück (42) derart erlauben, dass die Mündung die zum Aufnehmen des anzuschließenden Drahts (46) eingerichtete Aufnahme durchquert zu wenigstens einer vollständigen Durchquerung.
  6. Verbindungsvorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der Einsatz (44) ein im Schnitt rechteckig profilierter Einsatz ist, welcher eine erste, zum Aufnehmen eines oder mehrerer Drähte (46) bestimmte Aufnahme (54) und eine zweite zur ersten im wesentlichen parallele Aufnahme (56) aufweist, welche dazu bestimmt ist, ein Werkzeug, wie beispielsweise einen Schraubenzieherschaft (50), aufzunehmen, dass der Einsatz gelenkig in einem isolierenden Gehäuse (48) angebracht ist,
    dass das Verbindungsstück (42) ein Stück ist, welches einen zum Weg, welchen der Einsatz durchlaufen kann, parallelen Bogen aufweist und welches sich in der Stellung vor der Verbindung ausserhalb des Einsatzes befindet, wobei sich der Schlitz (52) orthogonal zu den Aufnahmen des Einsatzes erstreckt,
    und dass eine Vertiefung (62) im wesentlichen im Zentrum des Bogens des Wegs, welchen der Einsatz durchlaufen kann, vorgesehen ist, um ein Endstück des Werkzeugs (50) aufzunehmen, wobei sie erlaubt, dieses zu blockieren, um bei einer Schwenkbetätigung des Einsatzes (44) als Anschlag zu dienen.
EP00917127A 1999-04-12 2000-04-05 Elektrische kabelverbindungsanordnung mit schneidklemm- und halterungsspalt Expired - Lifetime EP1169751B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03024797A EP1408583B1 (de) 1999-04-12 2000-04-05 Verbindungsvorrichtung für elektrische Leiter mit Schneid- und Haltespalt

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9904684A FR2792119B1 (fr) 1999-04-12 1999-04-12 Dispositif de connexion pour fil electrique comportant une fente de denudage et de retenue
FR9904684 1999-04-12
PCT/FR2000/000857 WO2000062373A1 (fr) 1999-04-12 2000-04-05 Dispositif de connexion pour fil electrique comportant une fente de denudage et de retenue

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03024797A Division EP1408583B1 (de) 1999-04-12 2000-04-05 Verbindungsvorrichtung für elektrische Leiter mit Schneid- und Haltespalt

Publications (2)

Publication Number Publication Date
EP1169751A1 EP1169751A1 (de) 2002-01-09
EP1169751B1 true EP1169751B1 (de) 2004-09-29

Family

ID=9544400

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03024797A Expired - Lifetime EP1408583B1 (de) 1999-04-12 2000-04-05 Verbindungsvorrichtung für elektrische Leiter mit Schneid- und Haltespalt
EP00917127A Expired - Lifetime EP1169751B1 (de) 1999-04-12 2000-04-05 Elektrische kabelverbindungsanordnung mit schneidklemm- und halterungsspalt

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03024797A Expired - Lifetime EP1408583B1 (de) 1999-04-12 2000-04-05 Verbindungsvorrichtung für elektrische Leiter mit Schneid- und Haltespalt

Country Status (5)

Country Link
EP (2) EP1408583B1 (de)
DE (1) DE60014346T2 (de)
ES (1) ES2226807T3 (de)
FR (1) FR2792119B1 (de)
WO (1) WO2000062373A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039202B4 (de) * 2000-08-10 2005-01-05 Siemens Ag Schneidklemmeinrichtung
ES2592804B1 (es) * 2016-06-06 2017-09-05 Simon, S.A.U. Conector por desplazamiento del aislante

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6933393U (de) * 1969-08-21 1969-12-11 Bbc Brown Boveri & Cie Schraubenlose elektrische klemme
DE8525981U1 (de) * 1985-09-11 1985-10-31 Siemens AG, 1000 Berlin und 8000 München Zweiteiliges Schneid-Klemmkontaktelement
JPH0451426Y2 (de) * 1988-10-12 1992-12-03
US4988311A (en) * 1989-12-07 1991-01-29 At&T Bell Laboratories Terminal blocks
DE19541137A1 (de) * 1995-10-30 1997-05-07 Wago Verwaltungs Gmbh Elektr. Frontverdrahtungsklemme
DE19732182C1 (de) * 1997-07-25 1999-03-25 Quante Ag Schneidklemm-Kontakt sowie Anschlußleiste oder -modul und Reihenklemme mit einem Schneidklemm-Kontakt

Also Published As

Publication number Publication date
FR2792119A1 (fr) 2000-10-13
ES2226807T3 (es) 2005-04-01
FR2792119B1 (fr) 2001-06-01
WO2000062373A1 (fr) 2000-10-19
EP1169751A1 (de) 2002-01-09
EP1408583A2 (de) 2004-04-14
DE60014346D1 (de) 2004-11-04
EP1408583B1 (de) 2012-12-26
EP1408583A3 (de) 2007-01-03
DE60014346T2 (de) 2005-02-24

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