EP0067780A1 - Winkelendstück für elektrische Verbindungen - Google Patents

Winkelendstück für elektrische Verbindungen Download PDF

Info

Publication number
EP0067780A1
EP0067780A1 EP82420075A EP82420075A EP0067780A1 EP 0067780 A1 EP0067780 A1 EP 0067780A1 EP 82420075 A EP82420075 A EP 82420075A EP 82420075 A EP82420075 A EP 82420075A EP 0067780 A1 EP0067780 A1 EP 0067780A1
Authority
EP
European Patent Office
Prior art keywords
shell
branch
branches
end piece
constituted
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
EP82420075A
Other languages
English (en)
French (fr)
Other versions
EP0067780B1 (de
Inventor
Jean Trigon
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.)
Electricfil Industrie SARL
Electricfil SA
Original Assignee
Electricfil Industrie SARL
Electricfil 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 Electricfil Industrie SARL, Electricfil SA filed Critical Electricfil Industrie SARL
Publication of EP0067780A1 publication Critical patent/EP0067780A1/de
Application granted granted Critical
Publication of EP0067780B1 publication Critical patent/EP0067780B1/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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to bent end pieces, more generally called lugs, attached to the ends of electrical conductors to ensure the connection between a distribution source and a device for use.
  • the invention relates, more particularly, to the bent ends of the above type which are used in the electrical ignition harnesses of engines and, more especially still, the ignition harnesses of internal combustion and spark ignition engines , in particular, for motor vehicles.
  • the tips which are currently used in the above framework, are parts obtained by stamping.
  • Such end pieces have a bent shape of the "L" type, generally at a right angle, comprising a connecting branch with the wire of the bundle and a connecting branch.
  • Such a conformation is, in particular chosen so that the end pieces can also constitute traction members on which the forces to be developed are applied when it comes to disconnecting the wire with either the coil, the distributor or the candle.
  • the first consists of threading the bent cap onto the conductive wire, then ensuring the crimping or adaptation of a tip on the wire, then bringing the cap back into position on the tip. After which, the assembly formed is checked and if the wire thus formed does not meet the desired electrical characteristics, all of the elements must be rejected.
  • the second solution consists in crimping the lugs at the ends of a wire, then in threading the caps by subjecting them to a sufficient radial deformation to make them pass, without damage, the bent edge of the lugs.
  • the present invention aims to remedy the drawbacks above and proposes, for this purpose, a new terminal or a new elbow connector for electrical connection whose structure and conformation allow easy relative sliding of the cap on the terminal, then on the cable.
  • the object of the invention thus makes it possible to carry out the manufacture of an ignition harness wire by first crimping the lugs or end caps on a wire, by controlling the electrical function of the latter and by equipping then such a wire, insofar as it meets the desired standards, with the protective and sealing caps.
  • Another object of the invention is to provide a bent terminal or an electrical connection end piece which has mechanical resistance characteristics in relation to the particular application envisaged.
  • the object of the invention is to provide a bent lug or an electrical connection cap capable of withstanding a tensile force applied to one of the constituent branches without permanent deformation of its own structure, nor degradation of the quality of crimping on the conductive wire, or of the electrical quality of contact of its connection branch.
  • Fig. 1 is a perspective of one of the embodiments of the object of the invention.
  • Fig. 2 is a perspective illustrating the final position of the object according to FIG. 1 before use.
  • Fig. 3 is a perspective showing an alternative embodiment of one of the constituent elements of the object of the invention.
  • Fig. 4 is a perspective illustrating the final position of the object according to FIG. 3 before use.
  • FIGS. 5 and 6 are perspectives showing a development of the invention, similar to the example according to FIGS. 3 and 4.
  • FIGs. 7, 8 and 9 are perspectives illustrating three other possible embodiments of the subject of the invention.
  • Fig. 10 is a perspective showing a construction detail of the object according to FIG. 9.
  • FIG. 9 It is a plan view illustrating a metal cut allowing the objects according to FIGS to be produced, after forming. 9 and 10.
  • the angled electrical connection end-piece comprises a branch 2, called crimping on an electrical conductor 3, such as that shown in broken lines and forming part, by way of preferred example , of an ignition beam of a heat engine.
  • the crimping branch 2 comprises a part 4, of substantially semi-cylindrical section, extended by two crimping tabs 5 which can be folded and folded down to be tightened and ensure mechanical strength with conductor 3 and indirectly establish electrical contact.
  • the crimping branch 2 is connected, by a connecting part 6, to a branch 7 called connection, to a complementary terminal not shown.
  • the additional terminal can be carried, in particular, by a coil or an electric distributor of an ignition system controlled by an internal combustion engine of the explosion type, such as those fitted to motor vehicles or by the olive. of a candle.
  • the branch 7 is preferably of the substantially tubular type comprising a part 7a elastically deformable in the radial direction to facilitate adaptation, mounting, maintenance, as well as the electrical connection with a complementary terminal which can be of the male or female type.
  • the elastically deformable part 7a is constituted by two legs 8a which are separated with respect to two homologous legs 8b constituting a rigid part 7b for connection with the connecting part 6.
  • the connecting part 6 is constituted by a curved segment having, at least locally, a section substantially equal to that of the connecting branch 7.
  • the curved segment is further defined by a radius R of center 0 which , taken at the level of the internal radius of the torus, has a measurement of the order of one to three times the diameter of the section of the branch 7.
  • the curved segment fits exactly, preferably, in the extension of connection branch 7.
  • the curved segment, constituting the connecting part 6, is provided to delimit, at least locally, an envelope of generally toric shape.
  • the connecting part or curved segment comprises a half-shell 9, of substantially semi-cylindrical section which came directly from stamping during the conformation of the branches 2 and 7.
  • the semi-cylindrical half-shell 9 has curved longitudinal edges 10 and 11, situated in the same plane passing, substantially, through the base of the legs 5 and / or 8a-8b.
  • One of the edges of the half-shell 9, for example the edge 10, is associated with a complementary part constituted by a complementary half-shell 12, also of semi-cylindrical shape, which is connected, retained or attached to the half-shell 9 by means of a bridge 13.
  • the half-shell 12 is of the semi-tubular type open and resulting from a stamping operation performed, from the same blank, to form the assembly described above.
  • the reconstitution of the connecting part 6 with a view to the formation of the toric envelope is obtained by subjecting the half-shell 12 to a folding operation in the direction of the wire arrow. This operation is carried out around or in association with the bridge 13, so as to bring the longitudinal edges 14 and 15 in support and in coincidence with the edges 10 and 11 of the half-shell 9.
  • This reconstruction phase is illustrated in fig. 2 which shows that the connecting part 6 is, in fact, in the form of a curved segment forming part of the extension of the branch 7 and defining, up to the conductor 3, a continuous toric envelope from the branch connection to conductor 3, in the example illustrated.
  • the above embodiment therefore makes it possible to thread an elastomeric cap on the branch 7 and to make it travel relative to the endpiece until it is partially threaded on the conductor 3.
  • the curved segment 6 does not have any protrusion or roughness having the effect of requiring a significant distension incompatible with the elastic limit of the cap or behaving as an element or obstacle of a constraining or blunt nature causing the deterioration of the cap by friction or by cutting or removal of the constituent material thereof.
  • connection end piece as described above, therefore makes it possible to envisage the manufacture of an ignition harness wire by initially proceeding to the cut to length of the conductor 3, by crimping the end end or ends. , checking the electrical properties, then mounting the caps intended to permanently equip such a wire.
  • Fig. 3 shows an alternative embodiment according to which it is intended to constitute the curved segment 6 by means of a half-shell 16 of semi-tubular toric type formed, as said above, between the branches 2 and 7.
  • the edges 10 and 11 of the half-shell 16 form grooves 17 and 18 opening towards the outside and formed, for example, by folding and cross-folding the edges 10 and 11.
  • the curved segment 6 also includes a complementary part formed by an independent half-shell 19 whose edges 14 and 15 are folded inwards, towards one another.
  • Fig. 4 shows that, in such an embodiment, the half-shell 19 makes it possible to reconstitute the curved segment so that the latter delimits an O-ring envelope, of substantially constant section, with the same characteristics as those of the previous example.
  • Fig. 5 shows an alternative embodiment according to which the curved segment 6 comprises a half-shell 20, of the type of that of FIG. 1.
  • One of the edges of the half-shell 20, for example the external longitudinal edge 10 is associated, by a connecting bridge 21, with a half-shell 22 comprising a tubular semi-cylindrical part 23 extended by an appendage semi-frustoconical 24 which extends opposite the branch 2.
  • the half-shell 22 is folded, in the direction of the arrow f l , around the bridge 21, so that the part 23 is brought to locally reconstitute a toric tubular envelope with the half-shell 20.
  • the free longitudinal edge 25 of the part 23 comes to bear on the internal longitudinal edge 11 of the half-shell 20.
  • Fig. 7 shows another exemplary embodiment according to which the curved segment comprises a half-shell 26, of the type of the half-shell 16.
  • the half-shell 26 has edges 10 and 11 folded back towards one another in the diametrical plane.
  • the reconstruction of the envelope, of substantially toroidal shape, defining the curved segment 6, is obtained, in this example, by using a complementary part formed by a section of toroidal rod 27 made of any suitable material, in particular semi plastic -rigid.
  • the section of flange 27 comprises, in a substantially diametral plane, two longitudinal grooves 28 and 29 provided to receive the folded edges 10 and 11.
  • the reconstitution of the toric envelope can be obtained by axial sliding of the section of flange 27 to the interior of the half-shell 26 or by radial penetration with elastic relative deformation of the material constituting the latter and / or of the edges 10 and II.
  • the element complementary to the half-shell 26 is constituted by a segment or section of helical spring 30 which is arranged, inside the shell 26, to be held and immobilized therein in order to reconstitute the 'O-ring constituting the curved segment 6.
  • the immobilization of the segment or section of helical spring 30 can be obtained, in particular, by means of hooks 31 which are formed, from the longitudinal edges of the half-shell 26, in the connection zones between the latter and the branches 2 and 7.
  • the helical spring chosen to assume the above function, is of the type of those having turns contiguous in a state of rest and in a rectilinear conformation.
  • Figs. 9 and 10 illustrate a particularly advantageous embodiment according to which the curved segment 6 always involves a half-shell 32 which is supplemented by tongues 33, of generally radial arrangement, of generally trapezoidal shape whose large base of each coincides with the longitudinal edge external to the center 0, called, after shaping, to represent the edge 10 of the previous examples.
  • tongues 33 are rolled and folded over the longitudinal edge I1.
  • Figs. 9 and 10 show that the tongues 33 reconstitute together, with the half-shell 32, the toroidal envelope for connection between the branch 7 and the branch 2.
  • Fig. It shows an exemplary embodiment involving a starting blank 34 in the form of an "L" in a plane.
  • the blank 34 comprises, on a branch of the "L", two legs 5, directed opposite one another with respect to an axis of symmetry AA 'which form, with the common trunk 35, the branch of crimping 2.
  • the common trunk 35 forms, with the legs 8a and 8b, the connecting branch 7.
  • the outer periphery of the common trunk 35, between the legs 5 and 8b and shown in mixed lines, is extended by the tongues 33 in radial arrangement.
  • the tongues 33 have a length such that after forming and rolling to reconstitute the toroidal envelope they come to end exactly on the edge II.
  • the curved segment 6 is always constituted by a half-shell having a direct connection with the branches 2 and 7.
  • this half-shell offers significant mechanical resistance and can withstand, without risk of deformation, the tensile forces exerted on one of the branches or on the other in the direction of separation of the latter, in particular during the maneuvers and manipulations aimed at ensuring the disconnection of the branch 7 relative to the complementary element of the distributor or of the member for using the electrical energy distributed.
  • the terminal described above is produced by cutting and stamping using a tool to be followed from a blank of suitable raw material, such as brass, zinc-plated steel, stainless steel.
  • the complementary part can be made of polyamide or other suitable plastic or elastomer, as far as the flange 27 is concerned and steel or brass wire, as regards the spring 30.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Spark Plugs (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP82420075A 1981-06-11 1982-06-10 Winkelendstück für elektrische Verbindungen Expired EP0067780B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8111885A FR2507827B1 (fr) 1981-06-11 1981-06-11 Embout coude de raccordement electrique
FR8111885 1981-06-11

Publications (2)

Publication Number Publication Date
EP0067780A1 true EP0067780A1 (de) 1982-12-22
EP0067780B1 EP0067780B1 (de) 1984-12-05

Family

ID=9259600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82420075A Expired EP0067780B1 (de) 1981-06-11 1982-06-10 Winkelendstück für elektrische Verbindungen

Country Status (10)

Country Link
US (1) US4531807A (de)
EP (1) EP0067780B1 (de)
DE (1) DE3261452D1 (de)
DK (1) DK155393C (de)
ES (1) ES295699Y (de)
FI (1) FI69941C (de)
FR (1) FR2507827B1 (de)
GR (1) GR76812B (de)
NO (1) NO162096C (de)
PT (1) PT74960B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327478A1 (de) * 1988-02-04 1989-08-09 Société à Responsabilité Limitée L'ELECTRICFIL INDUSTRIE Elektrischer Endanschluss
EP0718927A1 (de) * 1993-10-29 1996-06-26 INTERLOCK CORPORATION (a Michigan corporation) Steckverbindersystem mit geringer Einsteckkraft
EP1981132A2 (de) * 2007-04-10 2008-10-15 Weidmüller Interface GmbH & Co. KG Schirmhülse

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771538A (en) * 1986-03-13 1988-09-20 Thomas & Betts Corporation Flag shaped electrical connector
JP2633722B2 (ja) * 1990-11-13 1997-07-23 住友電装株式会社 電線の端末心線折り曲げ装置
DE19615623A1 (de) * 1996-04-19 1997-10-23 Pfeifer Seil Hebetech Verfahren zur Herstellung einer Verbindung zwischen einem Preßfitting und einem Drahtseil
US5890926A (en) * 1997-03-26 1999-04-06 The Whitaker Corporation Cable bend controller
US7442045B1 (en) 2007-08-17 2008-10-28 Centipede Systems, Inc. Miniature electrical ball and tube socket with self-capturing multiple-contact-point coupling
US20090075528A1 (en) * 2007-09-17 2009-03-19 Thomas & Betts International, Inc. 90-Degree ferrule and pin terminals
JP6488835B2 (ja) * 2015-04-06 2019-03-27 スミダコーポレーション株式会社 コイル端末の接続構造
JP6471909B2 (ja) * 2016-04-07 2019-02-20 住友電装株式会社 ワイヤハーネス
US10862227B2 (en) * 2017-03-15 2020-12-08 Wieland Electric Gmbh Connection adapter for electrical plug
DE102017212627A1 (de) * 2017-07-24 2019-01-24 Festo Ag & Co. Kg Leitungsanordnung zur Übertragung von Elektrizität oder Licht
US10665368B2 (en) * 2018-04-17 2020-05-26 3M Innovative Properties Company Cable support
US11038291B2 (en) * 2018-06-01 2021-06-15 Toshiba Mitsubishi-Electric Industrial Systems Corporation Insulating cover
DE102018121239A1 (de) * 2018-08-30 2020-03-05 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Mehradriges kabel
JP7496994B2 (ja) * 2021-01-29 2024-06-10 日本圧着端子製造株式会社 端子、及び端子のケーブルへの接続方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974186A (en) * 1958-10-03 1961-03-07 Heyman Mfg Company Inc Strain relief bushing
US4009924A (en) * 1976-03-18 1977-03-01 General Motors Corporation Spark plug connector assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672201A (en) * 1921-05-18 1928-06-05 Ac Spark Plug Co Terminal connecter for electrical supply cables
US2835724A (en) * 1953-12-21 1958-05-20 Lee J Colbert Sheathed electrical cables
GB1205573A (en) * 1967-05-03 1970-09-16 Lucas Industries Ltd Waterproof gaiters for electrical connectors
US3597723A (en) * 1970-05-01 1971-08-03 Microdot Inc Spark plug terminal
US3793616A (en) * 1972-02-23 1974-02-19 Belden Corp Terminal connector
US4073565A (en) * 1976-01-21 1978-02-14 Raymond Eugene B Spark plug terminal
US4268104A (en) * 1980-04-01 1981-05-19 Kidder Kent A Electrical connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974186A (en) * 1958-10-03 1961-03-07 Heyman Mfg Company Inc Strain relief bushing
US4009924A (en) * 1976-03-18 1977-03-01 General Motors Corporation Spark plug connector assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327478A1 (de) * 1988-02-04 1989-08-09 Société à Responsabilité Limitée L'ELECTRICFIL INDUSTRIE Elektrischer Endanschluss
FR2627018A1 (fr) * 1988-02-04 1989-08-11 Electricfil Embout de raccordement electrique
EP0718927A1 (de) * 1993-10-29 1996-06-26 INTERLOCK CORPORATION (a Michigan corporation) Steckverbindersystem mit geringer Einsteckkraft
EP1981132A2 (de) * 2007-04-10 2008-10-15 Weidmüller Interface GmbH & Co. KG Schirmhülse
EP1981132A3 (de) * 2007-04-10 2012-02-22 Weidmüller Interface GmbH & Co. KG Schirmhülse

Also Published As

Publication number Publication date
PT74960A (fr) 1982-06-01
US4531807A (en) 1985-07-30
FI69941C (fi) 1986-05-26
NO162096B (no) 1989-07-24
FR2507827A1 (fr) 1982-12-17
NO162096C (no) 1989-11-01
ES295699U (es) 1987-03-16
ES295699Y (es) 1987-11-01
EP0067780B1 (de) 1984-12-05
FI69941B (fi) 1985-12-31
FR2507827B1 (fr) 1985-10-04
NO821936L (no) 1982-12-13
GR76812B (de) 1984-09-04
DK260582A (da) 1982-12-12
PT74960B (fr) 1983-11-22
DK155393C (da) 1989-07-31
DE3261452D1 (en) 1985-01-17
DK155393B (da) 1989-04-03
FI822037A0 (fi) 1982-06-09

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