EP0247360B1 - Agencement de connexion à fente pour fil électrique et embout d'outil de connexion correspondant - Google Patents

Agencement de connexion à fente pour fil électrique et embout d'outil de connexion correspondant Download PDF

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Publication number
EP0247360B1
EP0247360B1 EP87105975A EP87105975A EP0247360B1 EP 0247360 B1 EP0247360 B1 EP 0247360B1 EP 87105975 A EP87105975 A EP 87105975A EP 87105975 A EP87105975 A EP 87105975A EP 0247360 B1 EP0247360 B1 EP 0247360B1
Authority
EP
European Patent Office
Prior art keywords
slit
endpiece
core
wire
rectilinear
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
EP87105975A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0247360A1 (fr
Inventor
Alain Boissonnet
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 EP0247360A1 publication Critical patent/EP0247360A1/fr
Application granted granted Critical
Publication of EP0247360B1 publication Critical patent/EP0247360B1/fr
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
    • 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
    • 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
    • H01R4/2437—Curved plates
    • H01R4/2441—Curved plates tube-shaped

Definitions

  • the present invention relates to a connection arrangement with stripping and wire retaining slot for one or more electric wires and a tool tip intended to ensure the connection of the wires in such arrangements.
  • the invention provides a slot connection arrangement arranged to allow the connection of electrical wires to electrical equipment by means of fixed or portable devices giving greater regularity of connection than manual tools, of the thin rod or screwdriver blade type. , provided so far for this purpose, while retaining the possibility of using a simple manual tool for any troubleshooting on installed equipment.
  • the proposed connection arrangement comprises a conductive connection piece with a straight stripping and holding slot for the cores of the wires, this conductive piece is immobilized in a housing of an insulating housing, the latter having an opening, which includes a rectilinear sheath retaining lumen, in line with the stripping and core retaining slot and which is surmounted by a wire introduction orifice to allow the insertion of the wires above the stripping mouth which comprises the slit and the immobilization of the insulating sheaths of the wires whose core is retained in said slit.
  • the slot is longitudinally formed along a profiled part of the conductive part which has, at this level, a hollow polygonal cross section allowing the guiding in translation, along the slot, of an external tool tip which is designed to slide both on either side and between the edges of the slot, so as to push the wires into this slot, in a transverse position relative to it, and which comes to take support by a guide core in the internal cavity of the profiled part, said endpiece being guided in translation, towards the cavity and from outside the housing, by the edges of a hole made for this purpose in said insulating housing.
  • the tip of a mechanical or manual tool necessary for the connection of a wire in the connection arrangement according to the invention, comprises a core straight guide profiled transversely to slide simultaneously through the conductive connection slot at the level of grooves which it comprises and in the internal cavity of this part where it is guided.
  • FIG. 1 shows an example of electrical equipment provided with two connection arrangements according to the invention and associated with two connection tools according to the invention for the connection of electric wires shown one before insertion the other during connection .
  • FIG. 2 shows an example of a conductive connection piece for an arrangement, according to the invention.
  • Figure 3 shows a cross section along III-III of a connection tool tip.
  • Figure 4 shows a side view of the equipment shown in Figure 1.
  • FIG. 5 presents a half-view in section along V-V of the equipment presented in FIG. 4.
  • Figures 6 and 7 show a top view and a section along VII-VII of the part of equipment presented in Figure 5.
  • FIG. 8 presents a variant of the part of equipment presented in FIG. 4.
  • Figures 9 to 12 show views similar to those of Figures 3, 5, 6 and 7 for an alternative embodiment of the connection tool tip and the corresponding equipment.
  • the slot connection arrangement according to the invention is intended to be integrated into electrical equipment 1 to ensure the connection of one or more electrical wires 2 in parallel to this equipment, which, in the nonlimiting example presented in FIG. 1, is provided with two slot connection arrangements, the essential internal elements of which are mainly drawn in dotted lines.
  • Each connection arrangement comprises a conductive connection piece 3 capable of receiving at least one and preferably several electrical wires 2 in parallel.
  • the two conductive parts 3 of the equipment 1 are capable of being electrically connected by means of a contactor member 4, a conventional one which will not be described further since it does not has only an optional and indirect relationship with the invention.
  • the conductive parts 3 are conventionally immobilized in housings provided for this purpose in the insulating housing 5 of the equipment 1, which is for example constituted by assembling two complementary half-shells made integral by ultrasonic welding after introduction of the internal organs that they must contain.
  • This assembly of half-shells is carried out for example with the median longitudinal plane of the housing 5 as a joint plane, the trace of which also shares the views of FIGS. 4, 6, 7 and 8.
  • Each conductive piece 3 - Figure 2 - has a slot 30 for stripping and retaining the cores of wire, which is here rectilinear as seen in Figures 2 and 4.
  • This slot is longitudinally formed along a shaped part profile of the part 3, which is obtained here, for example from a flat blank, by stamping resulting in its cutting, folding and possibly localized thinning.
  • the profiled part of the part 3 preferably has a hollow polygonal cross section which here corresponds to a U whose free ends have been obliquely and also folded towards one another, as seen in FIGS. 2 and 7.
  • the profiled part thus obtained comprises two end folds 31 corresponding to the free ends obliquely and also folded mentioned above, these two folds border the slot 30 which they delimit, they are optionally gradually thinned towards this slot 30.
  • the two parallel walls 32 of the profiled part of the conductive part 3, which each carry a fold 31, ensure the immobilization of this part 3 in its housing, together with the bottom wall 33 from which they originate and with which they are perpendicular; this immobilization is carried out by the known means already mentioned briefly above.
  • the stripped mouth 34 of the conductive part is formed at one end of the slot 30; it is also conceivable to provide profiled parts whose stripping slot would be provided with a stripping mouth at each end to form a connection arrangement with two inputs.
  • the only stripped mouth provided is obtained by symmetrical oblique cutting of the pleats 31 at one of their ends, which is the upper end of the profiled part in FIGS. 1, 4, 5 and 8.
  • This oblique cutting provides a flared mouth; the subsequent folding of the folds 31, with respect to the walls 32 which carry them respectively, creates an upper edge 35 sufficient to start the sheath of the wires 2 pushed into this mouth.
  • the parallel walls 32, the bottom wall 33 and the folds 31 delimit a cavity 36 which is arranged to open out through a hole 51 formed in the housing 5, here at the top of the latter - Figures 5 and 6 -.
  • the hole 51 here has a cross section, or profile, in T, the part of the hole 51 corresponding to the vertical bar of the T - which is horizontal in Figure 6 - having the same width as the cavity 36 in the extension of which it is placed.
  • the hole 51 which is slightly flared at its upper edge here giving access to the outside, is designed to allow the introduction of an external connection tool tip 6, independent, intended to ensure the insertion of electric wires in the slot 30 of the connection arrangement 3 and of any identical or compatible connection arrangement.
  • the tool endpiece 6 has for this purpose a guide core 60 - ( Figures 1, 2 and 3) - straight whose cross section has a shape complementary to that of the cavity 36 in which it is intended to slide after have been guided towards it by the part of the hole 51 located in the extension of this cavity.
  • the guide core 60 is bordered laterally by a longitudinal bulge 61 to which it is connected by a rigid web 62.
  • the web 62 has a thickness slightly less than the width of the slot 30 through which it has just inserted, when the tip is introduced into the housing 3, the guide core 60 then ensuring correct positioning of the web 62 relative to the slot 30.
  • the bulge 61 slides along and outside the folds 31, as shown in FIG. 3 where the conductive part 3 has been shown in dotted lines.
  • the core 60, the bulge 61 and the veil 62 terminate the tool tip 6 at the same level so as to form a support zone intended to be applied to the sheath of the electrical wires to be connected.
  • the cross section of the endpiece in the shape of a T made up of two adjoining rectangular elements whose longitudinal axes are perpendicular, the core 60 corresponding to one of these two elements while the bulge 61 corresponds to the other, the veil being obtained by symmetrical oblique grooving on either side of the core and in the bulge.
  • Each groove 63 bordering the veil runs longitudinally along the end piece from the support zone and allows the introduction of this end piece so that the veil 62 is inserted into the slot 30 and that the folds 31 are inserted in the grooves 63.
  • the hole 51 has a cross section in T which corresponds precisely to that of the end piece so as to guide the latter, both towards the part 3 and in its sliding along this part 3.
  • the tool tip 6, here mounted at the end of a cylindrical rod is capable of being adapted to different fixed or portable mechanical devices for mounting in the factory or on site, it can also be provided on a hand tool, it suffices to mount it at the end of a handle.
  • the rod is moved mechanically, hydraulically or pneumatically in a tool body which preferably is made temporarily secured to the equipment 1 comprising the connection arrangement concerned, if not of this arrangement itself, by any known means.
  • an electrical wire to be connected is effected via an opening which opens opposite the slot 30 in an outer wall 50 of the housing 5, this opening is intended to allow the introduction of '' an electric wire 2 above the mouthpiece stripping 34 (FIG. 4) and it has a cylindrical orifice 52, through which it is possible to axially insert a wire until it comes into abutment on the bottom wall 33 of the conductive part 3.
  • the orifice 52 is slit at its lower part so as to open at the top of a rectilinear lumen 53, from the abovementioned opening, which extends in line with the slot 30.
  • This rectilinear light 53 is intended to ensure the retention of the sheaths of the connected wires, it therefore has a width slightly less than the diameter of the smallest of the sheaths provided, just as the slot 30 has a width slightly less than the diameter of the smallest souls planned for the sons.
  • two auxiliary lights 54 laterally border the rectilinear light 53, so as to allow the deformation of the areas of the housing, which ensure the jamming of the wire sheaths, when these sheaths are inserted, without this for the external forms of the housing 5 are modified, which is particularly important in the case of contiguous housings.
  • the auxiliary lights 54 ′ are separated from the rectilinear light 53 ′ by walls 55 ′ Thinner, from the hole 52 ′ for inserting the wire to below the level of the stripping mouth 34 ′, than for the parts which continue, from this level towards the bottom of the lights, so as to reduce the effort of displacement of the sheath of a wire in the rectilinear lumen 53 ′ during the cutting of this sheath by the stripping mouth 34 ′.
  • connection of an electric wire 2 is carried out according to a process according to which an end of this wire, not stripped, is threaded axially through the orifice 52 provided for this purpose in the housing 5 (FIG. 5).
  • the tip of a tool 6 is introduced into the hole 51 which guides it.
  • the length of the tool tip 6 allows the insertion of a first wire 2 at the bottom of the slot, such as the wire referenced 2A presented in dotted lines in FIG. 5.
  • the sheath 20 of this wire When driving a wire 2 transversely to the slot under the action of the tip, the sheath 20 of this wire is entrained in the rectilinear lumen 53 (or 53 ′) and the wire is held at the end of depression by the light 53 at its sheath, and by the slot 30, at its soul.
  • the tool endpiece After immobilizing a wire, the tool endpiece has emerged from the housing 5, entirely in the event of connection of a single wire, or possibly partially at the hole inlet 51 if one wants to connect one or more other wires. in the same conductive part slot 3.
  • Figures 8 to 11 propose an alternative embodiment provided to allow the use of a tool whose tip 6 ⁇ has a symmetrical transverse profile, as seen in Figure 12, to avoid having to turn the tool 180 ° when successively connecting wires to conductive parts mounted back to back as shown in Figure 1 for conductive parts 3.
  • the guide core 60 ⁇ of the tool end 6 ⁇ is symmetrically grooved as was the core 60 so as to be able to slide between the folds 31 ⁇ delimiting the slot d 'a connecting piece such as 3 ⁇ .
  • the guide of the tool tip 6 ⁇ for the insertion of a wire 2 ⁇ in a connection piece such as 3 ⁇ -figure 9- is ensured by one or the other of two half-cores 60 ⁇ symmetrical alternately intended one to penetrate into the hollow polygonal cross section of the conductive piece 3 along its stripping and wire holding slot, the other to slide outside of this slot, in the housing insulator 5 ⁇ which contains said conductive part 3 ⁇ .
  • the tool endpiece is constituted by a body of rectangular parallelepipedal shape centered on the median longitudinal axis of the endpiece 6 ⁇ in the thickness and on either side of which the grooves 63 ⁇ .
  • the equipment 1 ⁇ which is for example a terminal block, comprises at least one pair of conductive parts 3 ⁇ with a slot of which only one is shown; these parts are mounted back to back and connected together, here for a common strip 4 ⁇ , the assembly is housed in an insulating housing 5 ⁇ allowing on the one hand the introduction of electrical wires to be connected, on the other hand l 'introduction of a tool tip 6 ⁇ .
  • connection pieces 3 ⁇ and the insulating housing 5 ⁇ differ essentially from those presented above by the smaller size of said connection pieces and by the shape of the tool introduction opening.
  • the latter is here in the form of a hole of rectangular section intended to drive the tool endpiece into a precise position, predetermined with respect to the connection piece 3 ′ that this hole overhangs.
  • connection of a wire is carried out according to the same process as that already mentioned above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Processing Of Terminals (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP87105975A 1986-04-28 1987-04-23 Agencement de connexion à fente pour fil électrique et embout d'outil de connexion correspondant Expired - Lifetime EP0247360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8606125A FR2598039B1 (fr) 1986-04-28 1986-04-28 Agencement de connexion a fente pour fil electrique et embout d'outil de connexion correspondant
FR8606125 1986-04-28

Publications (2)

Publication Number Publication Date
EP0247360A1 EP0247360A1 (fr) 1987-12-02
EP0247360B1 true EP0247360B1 (fr) 1991-10-23

Family

ID=9334685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105975A Expired - Lifetime EP0247360B1 (fr) 1986-04-28 1987-04-23 Agencement de connexion à fente pour fil électrique et embout d'outil de connexion correspondant

Country Status (8)

Country Link
US (1) US4776812A (ko)
EP (1) EP0247360B1 (ko)
JP (1) JPS62290077A (ko)
KR (1) KR950004363B1 (ko)
BR (1) BR8702069A (ko)
CA (1) CA1290033C (ko)
DE (1) DE3773994D1 (ko)
FR (1) FR2598039B1 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851956A1 (de) * 1998-11-11 2000-06-08 Gerd Conrad Schneid-Klemmkontakt
DE19932740A1 (de) * 1998-11-11 2001-02-01 Hoelscher Heinrich Schneid-Klemmkontakt
DE10100183B4 (de) * 2000-01-04 2008-11-27 Entrelec Sa Prüfstecker

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833032A1 (de) * 1988-09-29 1990-04-05 Quante Fernmeldetechnik Gmbh Anschlussdose fuer fernsprech-apparate und/oder fernsprech-zusatzgeraete
FR2642570B1 (fr) * 1989-01-30 1993-07-30 Gegelec Agencement de raccordement pour extremite de cable coaxial et bloc de jonction dote d'un tel agencement
FR2642571B1 (fr) * 1989-01-30 1993-04-23 Cegelec Agencement de raccordement pour cable coaxial et module de raccordement correspondant, notamment bloc de jonction
GB9220575D0 (en) * 1992-09-30 1992-11-11 Weidmuller Klippon Products Li Electric connector
DE69509463T2 (de) * 1994-10-05 2000-01-27 Denso Corp Anlauf-Relais
CH690213A5 (de) * 1995-07-13 2000-05-31 Reichle & De Massari Fa Modularer Kontaktträger zur lötfreien Schneid-Klemm-Andrahtung elektrischer Leiter.
FR2743944B1 (fr) * 1996-01-19 1998-03-20 Entrelec Sa Module de raccordement electrique
FR2764125A1 (fr) * 1997-05-30 1998-12-04 Entrelec Sa Piece de connexion a fente pour agencement de raccordement pour au moins un fil electrique
FR2777702B1 (fr) * 1998-04-17 2000-06-16 Entrelec Sa Dispositif de connexion auto-denudant
FR2780557B1 (fr) * 1998-06-30 2001-09-21 Entrelec Sa Bornier de connexion comportant deux dispositifs de connexion
FR2782194B1 (fr) * 1998-08-07 2003-08-08 Entrelec Sa Dispositif de connexion auto-denudant
FR2782195B1 (fr) * 1998-08-07 2003-08-08 Entrelec Sa Piece de connexion auto-denudante
FR2786823B1 (fr) 1998-12-08 2002-03-08 Entrelec Sa Dispositif pneumatique permettant le deplacement en translation d'un outil
FR2792118B1 (fr) * 1999-04-12 2001-06-01 Entrelec Sa Procede et dispositif d'interconnexion de bornes de raccordement
FR2803442B1 (fr) * 2000-01-04 2005-10-07 Entrelec Sa Piece de connexion auto-denudante pouvant etre reliee a une piece de connexion voisine
GB2358093B (en) 2000-01-19 2003-10-08 Entrelec Sa Insulation-displacement connecting piece able to be connected to an adjacent connecting piece
ITMI20041463A1 (it) * 2004-07-20 2004-10-20 Vincenzo Corradi Dispositivo per il collegamento elettrico di conduttori discontinui

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183472A (en) * 1963-10-02 1965-05-11 Walter S Pawl Unitary rigid wire connectors and method of making wire connections
US3910672A (en) * 1974-06-03 1975-10-07 Amp Inc Replacement cover for electrical wiring devices
DE7915035U1 (de) * 1978-05-26 1979-09-13 Lucas Industries Ltd., Birmingham (Grossbritannien) Elektrische Anschlußvorrichtung
US4210378A (en) * 1979-04-23 1980-07-01 Minnesota Mining And Manufacturing Company Electrical wire connection
US4286836A (en) * 1979-07-17 1981-09-01 Teletype Corporation Connector block with strain prevention
US4480385A (en) * 1979-10-11 1984-11-06 Allied Corporation Tool and method for terminating electrical conductors in contact members
JPS5820996B2 (ja) * 1980-07-28 1983-04-26 イ−シ−化学工業株式会社 アルコ−ル粘性ゲル燃料組成物
US4344664A (en) * 1980-10-03 1982-08-17 Ark-Les Corporation Wide compliance insulation displacement terminal block
FR2503464A1 (fr) * 1981-04-03 1982-10-08 Alsthom Cgee Bloc de jonction a raccordement electrique sans denudage
CA1194950A (en) * 1981-11-13 1985-10-08 Vasantrai A. Vachhani Electrical connector module
FR2516711A1 (fr) * 1981-11-17 1983-05-20 Alsthom Cgee Borne de raccordement de fil electrique sans denudage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851956A1 (de) * 1998-11-11 2000-06-08 Gerd Conrad Schneid-Klemmkontakt
DE19932740A1 (de) * 1998-11-11 2001-02-01 Hoelscher Heinrich Schneid-Klemmkontakt
DE19851956C2 (de) * 1998-11-11 2001-03-22 Gerd Conrad Schneid-Klemmkontakt
DE19932740C2 (de) * 1998-11-11 2001-08-02 Hoelscher Heinrich Schneid-Klemmkontakt
DE10100183B4 (de) * 2000-01-04 2008-11-27 Entrelec Sa Prüfstecker

Also Published As

Publication number Publication date
FR2598039A1 (fr) 1987-10-30
EP0247360A1 (fr) 1987-12-02
KR950004363B1 (ko) 1995-04-28
KR870010646A (ko) 1987-11-30
US4776812A (en) 1988-10-11
JPS62290077A (ja) 1987-12-16
CA1290033C (fr) 1991-10-01
DE3773994D1 (de) 1991-11-28
BR8702069A (pt) 1988-02-09
FR2598039B1 (fr) 1990-09-21

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