EP0662737A1 - Geschlitzte Anschlussvorrichtung für elektrisches Kabel verbunden mit einem Kontaktelement in einer Dose - Google Patents

Geschlitzte Anschlussvorrichtung für elektrisches Kabel verbunden mit einem Kontaktelement in einer Dose

Info

Publication number
EP0662737A1
EP0662737A1 EP94402960A EP94402960A EP0662737A1 EP 0662737 A1 EP0662737 A1 EP 0662737A1 EP 94402960 A EP94402960 A EP 94402960A EP 94402960 A EP94402960 A EP 94402960A EP 0662737 A1 EP0662737 A1 EP 0662737A1
Authority
EP
European Patent Office
Prior art keywords
wire
slot
connection
housing
stripping
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
EP94402960A
Other languages
English (en)
French (fr)
Other versions
EP0662737B1 (de
Inventor
Jean-Paul Heng
André Marmonier
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
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 Entrelec SAS filed Critical Entrelec SAS
Publication of EP0662737A1 publication Critical patent/EP0662737A1/de
Application granted granted Critical
Publication of EP0662737B1 publication Critical patent/EP0662737B1/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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/01—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting unstripped conductors to contact members having insulation cutting edges
    • H01R43/015—Handtools
    • 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
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • the invention relates to a slotted connection arrangement for an electric wire intended to be connected to a conductive part in a housing.
  • connection arrangement which comprises a conductive connection part, with a stripping slot and wire core retaining, immobilized in a housing of a housing made of insulating material.
  • the housing has a wire passage opening which extends opposite the slot in the connection piece and an arrangement for positioning a specific connection blade connection tool.
  • This arrangement is constituted by a projecting element of the housing comprising a central opening provided to allow the penetration of the rigid and movable insertion blade in translation of a specific tool, this blade having to slide along the stripping slot and wire retainer to push a wire to be connected.
  • the wire must be initially placed transversely to the slot above a mouth thereof which ensures guiding of the wire towards the core retaining part after having ensured a partial elimination of the insulating sheath of the wire.
  • the blade is placed against the wire so as to push it transversely into the slot.
  • the invention therefore provides a connection arrangement which makes it possible to remedy this drawback by authorizing an initial insertion of the wire other than opposite the opening. wire passage provided for him, prior to its final positioning in this opening.
  • the invention therefore relates to a slot connection arrangement for electrical wire, in particular for electrical terminal block, in which at least one connecting piece, conductive, is immobilized in an insulating housing provided with a wire passage opening s extending next to a wire core stripping and retaining slot which is responsible for ensuring the electrical connection of the wire core to the connection piece and which is formed in a wall of this connection piece , said wire passage opening allowing the insertion of a wire to be connected transversely above a stripped mouth of the slot of the connection piece as well as the subsequent immobilization of the wire by the insulating sheath of the latter, the housing also comprising a positioning arrangement, for an external connection tool with insertion blade, this arrangement being produced in the form of a projecting element where the insertion blade penetrates which, rigid e and mobile in translation, is intended to slide along the slot of the connection piece, during the insertion of the wire.
  • the housing comprises at least one projecting tool positioning element provided with a tool insertion slot which extends the opening for passage of wire at one end of which it opens to allow on the one hand, a possible introduction of the wire into the housing before connection, on the other hand, the penetration of the insertion blade of a tool and its sliding along the slot of the connection piece, during the connection.
  • a slot connection arrangement of a housing which comprises a wire passage opening formed in one part, forming a wire sheath immobilization slot opposite the stripping slot and retaining the connection piece and a part allowing the insertion of a wire to be connected transversely above the stripping mouth of the stripping and retaining slot, this part allowing the insertion of a wire is itself formed in the form of a slot which is wider than the immobilization slot of wire sheath which it extends and which continues through the tool insertion slot, oriented perpendicularly to it.
  • Figure 1 shows a connection arrangement according to the invention in side view.
  • FIG. 2 provides a view showing the successive characteristic steps of connecting a wire by means of an appropriate connection tool on a section along II-II of the arrangement presented in FIG. 1.
  • Figure 3 shows a top view of the connection arrangement according to the invention.
  • Figure 4 shows a partial sectional view of a connection tool end for arrangement according to the invention.
  • connection arrangement presented in FIG. 1 is derived from that provided in document EP-B-0265321, as has already been indicated above; it is therefore intended to be integrated into electrical equipment 1, of the organ or appliance type to ensure the connection of at least one electrical wire 2 to this equipment.
  • the electrical equipment is a junction block of which only one half has been shown in FIG. 2, the other half being symmetrical according to a median plane of trace XX 'considered to be perpendicular to the plane of the drawing.
  • Each half of the block is then provided with a slot connection arrangement comprising a connecting piece 3, conductive, designed to receive at least one electric wire.
  • the part 3 is capable of being electrically connected to that of the second connection arrangement, not shown, of the terminal block, as known.
  • the part 3 is immobilized in a housing 4 provided for this purpose in an insulating box 5 which contains at least partially and here totally the electrical equipment 1.
  • This housing 5 is for example formed by assembling two complementary half-shells as presented here or also of a shell and a cover
  • Each part 3 comprises a stripping and retaining slot 6 for the conductive core 7 of the wires 2 to be connected, this slot here being rectilinear and opening by a stripped mouth 8 at one of its two ends.
  • the slot 6 is formed along a profiled part of the part 3, the latter being for example obtained by a die-drawing leading to its cutting, its folding and possibly localized thinning.
  • the profiled part of the part 3 here has a hollow polygonal cross section which roughly corresponds to a U whose free ends have been obliquely and also folded towards one another.
  • This profiled part has two end pleats 9 which correspond to the free ends mentioned above and which border the slot 6 which they delimit.
  • the stripped mouth 8 of part 3 is here supposed to be obtained by symmetrical cutting of the pleats 9 at one of their two ends, this cutting makes it possible to obtain a flared mouth allowing successively a guide of the electric wire to be connected and a cut of the sheath. insulating 12 of this wire.
  • the folds 9, the parallel walls 10 and the wall of the bottom delimit a cavity which is made open to the outside of the housing 5 by a slot 13, blind and called tool introduction, which is positioned in the same area of the housing as the stripping mouth 8, ie at the upper part of the housing in FIG. 1.
  • This slot 13 opens here at a tool positioning arrangement comprising an element 14 projecting from the housing part where it is located, that is to say from the upper part of the housing 5 in the figure. 2.
  • the element 14 is rectangular, it is produced in the extension of the walls 15, 16 and 17 of the housing 5 and it is partially crossed by the slot 13 which extends parallel to the walls 10 of part 3 and 15, 16 of the housing, above the cavity of this part 3, and which opens onto face 17.
  • This slot 13 is arranged so as to allow the insertion of a blade 18 of connection tool 19 in the housing 5 and more particularly in the slot 6, on either side of the folds 9, either inside and outside of part 3 in the vicinity of slot 6.
  • connection tool 19 envisaged is of the type described in the document EP-B-0265321 mentioned above, it will therefore not be entirely described here.
  • flanges such as 20, which limit the width of the slot 13 and which are intended to allow the attachment of the connection tool 19 provided for this purpose with swollen ends 21 carried by flexible blades 22 which move away from each other, when the tool is actuated and that the blade 18 protrudes beyond these flexible blades.
  • the positioning of the bulged ends 21 of tool 19 under the flanges 20 is favored by the presence of hollows, opening or not, located opposite in the walls overhung by the flanges 20, each hollow, not shown here, being arranged to receive a bulged end.
  • the housing 5 also has a wire passage opening 23 of elongated shape which extends opposite the slot 6 of the part 3 and beyond.
  • This opening 23 is provided to allow the insertion of a wire 2 above the stripped mouth 8 in a position allowing this wire to be introduced transversely into the slot 6 and here perpendicular to it, in view of the partial elimination of the sheath 12 of this wire and the jamming of its core 7; such a wire positioning is shown in dotted lines in the middle position in FIG. 2.
  • the opening 23 also allows the wire 2 to pass through for its exit from the housing and its maintenance in position, when this wire is connected as intended to the part. connection 3.
  • the tool introduction slot 13 opens into the opening 23 with respect to which it is here oriented perpendicularly.
  • the opening 23 has a first part which is close to the slot 13 and which itself constitutes a slot whose width is greater than the maximum diameter provided for a wire 2 to be connected, this width corresponding by example to that of the slot 13, so as to facilitate the positioning of a wire relative to the stripped mouth 8, before connection.
  • the opening 23 also includes a second portion of rectilinear appearance at the level of which a connected wire 2 is locally immobilized, as symbolized by the wire drawn in dotted lines in the lowest position in FIG. 2.
  • This second portion of rectilinear appearance which is provided at the level of the slot 6 is intended to ensure the retention of the wire 2 of which it wedges the sheath 12, when this wire 2 has been pushed into the connection position provided for it by the action of a blade 18 of a connection tool 19.
  • At least one auxiliary lumen and here two auxiliary lumens are provided parallel to the second portion of rectilinear shape of the opening 5 to allow the deformation of the zones of the housing which ensures the jamming of the sheath 12 of a wire, without any modification of the external dimensions of the housing 5, when the sheath of at least one wire 2 is immobilized in this second opening part 5.
  • connection of a wire 2 to a connection arrangement is capable of being carried out in the manner already envisaged in the document EP-B-0265321, the wire 2 must initially be placed in the housing 5 above the stripping mouth 8 of the part 3, as shown in dotted lines in the middle of FIG. 2.
  • the tool 19 is then positioned on the projecting element 14 which it comes to cover, it comprises, for example, for this purpose a central support zone 24 and two lateral centering elements 25, here produced in the form of two extensions, which ensure precise positioning and in support of the tool 19 on the element 14. This results in precise positioning of the blade 18 relative to the slot 6 of the part 3 and the bulged ends 21 of the flexible blades 22 relative to the edges 20 of the element 14.
  • the actuation of the tool causes the blade to slide 18 which protrudes between the swollen ends 21 that it separates from each other by making them each fit under a rim and possibly in one of the positioning cavities provided for this purpose at this level.
  • the projection of the blade 18 causes its support on the sheath of the wire 2 to be connected, the latter is pushed, on the one hand, into the slot 6 through the stripped mouth 8 by the blade which also penetrates into this slot and , on the other hand, in the rectilinear part of the opening 23 which runs along the blade during its sliding.
  • the sheath of the wire 2 is cut by the folds 9 of the connection piece 3 at the stripping mouth 8, the core of the wire is wedged in the slot 6, while the sheath is wedged in the straight part of the opening 5.
  • the blade 18 is retracted at the end of the connection action, which allows the bulged ends 21 to approach each other in a sufficient manner to be able to pass between the edges 20 of the slot 13 and thus allow removing the tool 19, once the wire has been connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connection Or Junction Boxes (AREA)
EP94402960A 1993-12-22 1994-12-20 Geschlitzte Anschlussvorrichtung für elektrisches Kabel verbunden mit einem Kontaktelement in einer Dose Expired - Lifetime EP0662737B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9315473A FR2714226B1 (fr) 1993-12-22 1993-12-22 Agencement de connexion à fente pour fil électrique raccordé à une pièce montée dans un boîtier.
FR9315473 1993-12-22

Publications (2)

Publication Number Publication Date
EP0662737A1 true EP0662737A1 (de) 1995-07-12
EP0662737B1 EP0662737B1 (de) 1998-01-14

Family

ID=9454245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402960A Expired - Lifetime EP0662737B1 (de) 1993-12-22 1994-12-20 Geschlitzte Anschlussvorrichtung für elektrisches Kabel verbunden mit einem Kontaktelement in einer Dose

Country Status (5)

Country Link
US (1) US5584722A (de)
EP (1) EP0662737B1 (de)
DE (1) DE69407944T2 (de)
ES (1) ES2113070T3 (de)
FR (1) FR2714226B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951319A (en) * 1997-06-20 1999-09-14 Lin; Yen-Lin Isolation displacement pin seat available for European and American gauge wiring tools
US7601037B2 (en) * 2008-01-11 2009-10-13 Hamilton Sundstrand Corporation Terminal with multiple wire connection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772635A (en) * 1971-12-22 1973-11-13 Bell Lab Inc Universal miniature connector for plural conductors
US4522459A (en) * 1981-12-17 1985-06-11 At&T Technologies, Inc. Systems for and methods of making electrical connections
EP0152690A1 (de) * 1984-02-16 1985-08-28 Molex Incorporated Mehrfachdraht-Verbindergruppe mit Isolationsverdrängung
EP0265321A1 (de) * 1986-10-10 1988-04-27 Entrelec Sa Geschlitzte Anschlusseinrichtung für elektrisches Kabel und dementsprechendes Anschlusswerkzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772635A (en) * 1971-12-22 1973-11-13 Bell Lab Inc Universal miniature connector for plural conductors
US4522459A (en) * 1981-12-17 1985-06-11 At&T Technologies, Inc. Systems for and methods of making electrical connections
EP0152690A1 (de) * 1984-02-16 1985-08-28 Molex Incorporated Mehrfachdraht-Verbindergruppe mit Isolationsverdrängung
EP0265321A1 (de) * 1986-10-10 1988-04-27 Entrelec Sa Geschlitzte Anschlusseinrichtung für elektrisches Kabel und dementsprechendes Anschlusswerkzeug

Also Published As

Publication number Publication date
US5584722A (en) 1996-12-17
FR2714226A1 (fr) 1995-06-23
FR2714226B1 (fr) 1996-01-19
DE69407944D1 (de) 1998-02-19
ES2113070T3 (es) 1998-04-16
DE69407944T2 (de) 1998-05-28
EP0662737B1 (de) 1998-01-14

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