EP0675564B1 - Contact auto-dénudant oblique - Google Patents

Contact auto-dénudant oblique Download PDF

Info

Publication number
EP0675564B1
EP0675564B1 EP95100738A EP95100738A EP0675564B1 EP 0675564 B1 EP0675564 B1 EP 0675564B1 EP 95100738 A EP95100738 A EP 95100738A EP 95100738 A EP95100738 A EP 95100738A EP 0675564 B1 EP0675564 B1 EP 0675564B1
Authority
EP
European Patent Office
Prior art keywords
contact
zones
insulation displacement
wire
arms
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
EP95100738A
Other languages
German (de)
English (en)
Other versions
EP0675564A1 (fr
Inventor
Andreas Dipl.-Ing. Janczak
Dieter Gerke
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.)
TE Connectivity Germany GmbH
Original Assignee
Krone GmbH
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 Krone GmbH filed Critical Krone GmbH
Publication of EP0675564A1 publication Critical patent/EP0675564A1/fr
Application granted granted Critical
Publication of EP0675564B1 publication Critical patent/EP0675564B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242Connections 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
    • H01R4/2425Flat plates, e.g. multi-layered flat plates
    • H01R4/2429Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242Connections 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
    • H01R4/2425Flat plates, e.g. multi-layered flat plates

Definitions

  • the invention relates to an inclined Insulation displacement contact according to the preamble of Claim 1.
  • the well-known oblique insulation displacement contacts are for wires with a diameter smaller than 0.4 mm cannot be used because the two are on the contact notches diagonally opposite contact forces cause a resulting bending moment which deformed the wire to be contacted. If not enough The wire can then become stiff strong wire deformations come. The limit of stiffness is one diameter for copper wire of approximately 0.4 mm.
  • Another disadvantage of the known oblique insulation displacement contacts is the Stiffness of the contact itself. So a more secure Contact between insulation displacement contact and wire occurs, must have sufficient rigidity of the Insulation displacement contact can be guaranteed, since otherwise the insulation displacement contact when the Wire deformed and insufficient contact force comes about. So the choice of materials for the insulation displacement contact through the specified one Contact geometry limited.
  • EP-A-0 121 224 discloses an insulation displacement contact with two or three contact legs previously known. There is an angle of 90 ° between the cable core and the contact. The Contact legs are forward and backward along the longitudinal axis of the contact turned. The two opposite cutting edges of the contact slot run therefore no longer parallel to each other, but wedge-shaped apart or together, so that the cable wire is contacted when the distance or the width of the Slot is smaller than the outer diameter of the conductive core of the insulated cable core. The cable wire is only at a certain point contacted.
  • US-A-3 892.460 and GB-A-2 040 607 insulation displacement contacts are known, which are wave-shaped. There is no inclination between the contacts and cable core.
  • the wavy contact of US-A-3,892,460 shows any one Number of contact slots.
  • EP-A-0 051 103 describes a tool for connecting cable wires to free-standing ones Contacts known.
  • the contacts are not kept in an insulating housing.
  • An inclined contact is shown, the contact points of which are proportional are far apart so that no thin cable wires are contacted can without loops forming.
  • the invention is therefore based on the object an oblique insulation displacement contact of the generic type Way to create that with wires too less rigidity than a copper wire from 0.4 mm diameter can be contacted, whereby the insulation displacement contact to be created in the previously used recordings of the housing should fit without that the rigidity of the insulation displacement contact is reduced.
  • FIG. 1 shows a section through a according to the State of the art, regularly several Insulation displacement contacts 2 housing 1, of only a insulation displacement contact for the sake of simplicity 2 is shown.
  • This consists of metallic Leaf spring material with two along the contact slot 3 separate, rigid at one end interconnected contact legs 4.
  • the insertion angle changes of the wire to be contacted to the contact legs 4 of the insulation displacement contact 2. If the Contact leg 4, as described in DE 41 26 068 is sheared, the enlarges effective width of the contact leg 4, as in Fig.
  • the width B of the Recording 5 would have to be from the state of the Technology known oblique insulation displacement contact 2 with sheared or twisted contact legs 4 can be widened because the resulting width of the Insulation displacement contact 2 by shear or Twisting in the area of the receptacle 5 is increased in this way is that the contact leg 4 no longer in the Recordings 5 fit.
  • FIG.2 An embodiment of the invention oblique insulation displacement contact 2 is in Fig.2 shown.
  • the two contact legs 4 are in a common level so that when extended merge into each other via the contact slot 3 would.
  • the contact zones 3 delimiting the contact slot 6 of the contact legs 4 are in opposite directions angled outside, their end faces 7 or their Outside 8 each run parallel to each other.
  • the tops of the contact legs 4 are in one level, i.e. the contact legs have the same Height up.
  • the contact point 12 shifts, that of the contact edges between the end face 7 and the outside 8 of the contact zones facing the wire 6 is formed.
  • the angle under which the contact zones 6 are angled smaller than in the exemplary embodiment according to FIG. 2. That's why are the two contact points 12 on one Line of action 13, which is introduced obliquely to the axis 14 of the Wire stands. With that, the two are too perpendicular to the axis 14 of the inserted wire not acting force components F of the contact forces on a common line of action so that a resulting Bending moment not equal to zero, but less than occurs without bending.
  • the angle & under which the bend is to take place, varies and thus that resulting bending moment can be set.
  • Figure 4 is an embodiment of the oblique Insulation displacement contact 2 for contacting represented by strands.
  • the Contact zones 6 of the contact legs 4 in opposite directions bent outwards by a certain bending radius.
  • the so formed rounded outside 9 prevents Cut the strands.
  • the bending radius and bending length are just chosen that a resulting bending moment is zero occurs because the contact points 12 of the contact zones 6 lie on the perpendicular to the axis 14 of the Wire standing common line of action 13.
  • FIG. 1 An exemplary embodiment is shown in FIG which the contact zones 6 of the contact legs 4 opposite the level of the contact leg 4 in the opposite direction to the depth 10 are parallel shifted outwards, the Contact zones 6 but parallel to the original plane the contact leg 4 are arranged.
  • the parallel shift runs in opposite directions, i.e. one contact zone 6 lies on one side and the other contact zone 6 on the other side of the contact leg level 4.
  • About the depth 10 of the parallel shift from the level of the contact leg 4 can the resulting lever arms shifted towards each other will.
  • FIG. 7 is a similar embodiment as shown in Figure 6, in which the depth 10 selected is that a resulting bending moment remains because the line of action 13 of the contact points 12 obliquely stands for axis 14 of the inserted wire.
  • the 8 shows an embodiment with a trapezoidal shape Cutouts 11 shown.
  • the free cuts 11 are on the sides of the contact legs 4, which face the axis 14 of the wire.
  • This forms contact zones 16, the width of which is less than the material thickness of the contact legs 4, in contrast to the embodiments according to the Fig.2-7, in which the width of the contact zones 6 is equal to the material thickness of the contact leg 4.
  • the two contact points 12 are in the direction the central axis 15 of the contact leg 4 shifted.
  • the trapezoid angle ⁇ and the length L of the free cut 11 are chosen in the embodiment so that the Line of action 13 of the contact points 12 perpendicular stands on the axis 14 of the wire to be inserted, so that no resulting bending moment occurs.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Floor Finish (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (3)

  1. Contact autodénudant oblique comportant deux points de contact (12) pour conducteur électrique, en particulier pour les techniques de communication et de traitement des données, fait d'un matériau métallique de ressort à lames avec deux branches de contact (4), reliées rigidement l'une à l'autre par l'une de leurs extrémités, séparées le long de la fente de contact (3),
    caractérisé en ce que les zones de contact (6) de la branche de contact (4) au niveau de la fente de contact (3) sont courbées ou coudées en sens inverse vers l'extérieur ou sont déplacées en parallèle en sens inverse vers l'extérieur ou sont pourvues d'outils de découpage non guidés (11), de telle sorte que la distance entre les deux points de contact (12) des zones de contact (6) soit réduite, l'outil de découpage non guidé (11) présentant des creux qui conduisent à un amincissement de l'épaisseur de la branche de contact (4) au niveau des zones de contact (6).
  2. Contact autodénudant oblique suivant la revendication 1, caractérisé en ce que la profondeur (10) du déplacement parallèle des zones de contact (6) correspond à environ la moitié de l'épaisseur de la branche de contact (4).
  3. Contact autodénudant oblique suivant la revendication 2, caractérisé en ce que la profondeur (11) de l'outil de découpage non guidé (11) des zones de contact (16) correspond à environ la moitié de l'épaisseur de la branche de contact (4).
EP95100738A 1994-03-29 1995-01-20 Contact auto-dénudant oblique Expired - Lifetime EP0675564B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4411482A DE4411482C2 (de) 1994-03-29 1994-03-29 Schrägstehender Schneid-Klemm-Kontakt
DE4411482 1994-03-29

Publications (2)

Publication Number Publication Date
EP0675564A1 EP0675564A1 (fr) 1995-10-04
EP0675564B1 true EP0675564B1 (fr) 1998-09-30

Family

ID=6514502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100738A Expired - Lifetime EP0675564B1 (fr) 1994-03-29 1995-01-20 Contact auto-dénudant oblique

Country Status (16)

Country Link
US (1) US5667400A (fr)
EP (1) EP0675564B1 (fr)
JP (1) JP2851809B2 (fr)
KR (1) KR950034902A (fr)
CN (1) CN1037216C (fr)
AT (1) ATE171815T1 (fr)
BR (1) BR9501236A (fr)
CA (1) CA2144226C (fr)
DE (2) DE4411482C2 (fr)
DK (1) DK0675564T3 (fr)
EG (1) EG21407A (fr)
ES (1) ES2123838T3 (fr)
PL (1) PL176764B1 (fr)
RU (1) RU2092943C1 (fr)
UA (1) UA27931C2 (fr)
ZA (1) ZA952550B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI101755B1 (fi) * 1996-11-28 1998-08-14 Nordic Aluminium Oyj Sovitelma kosketinkiskojärjestelmän virranottimen yhteydessä
FI101754B1 (fi) * 1996-11-28 1998-08-14 Nordic Aluminium Oyj Sovitelma kosketinkiskojärjestelmän virranottimen yhteydessä
DE102005033998A1 (de) * 2005-07-21 2007-02-01 Adc Gmbh Schneidklemm-Steckverbinder und Einrichtung für die Telekommunikations- und Datentechnik
CN110212393B (zh) * 2019-03-21 2024-02-20 安费诺电子装配(厦门)有限公司 一种直线斜切线缆剥皮装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892460A (en) * 1974-02-19 1975-07-01 Thomas & Betts Corp Contact means
DE2814069C3 (de) * 1978-03-30 1982-03-25 Krone Gmbh, 1000 Berlin Vorrichtung und Verfahren zur Herstellung eines löt-, schraub- und abisolierfreien Kontaktes an einem feststehenden Anschlußelement, insbesondere für die Fernmeldelinientechnik
GB2040607B (en) * 1979-01-24 1983-11-02 Post Office Electrical terminations
US4333700A (en) * 1980-05-23 1982-06-08 Bell Telephone Laboratories, Incorporated Insulation-penetrating slotted beam contact element
DE3040709A1 (de) * 1980-10-29 1982-06-03 Krone Gmbh, 1000 Berlin Bedienwerkzeug fuer freistehende loet-, schraub- und abisolierfreie kontakte, insbesondere fuer die fernmeldetechnik
DE3207186C1 (de) * 1982-02-27 1983-08-11 Krone Gmbh, 1000 Berlin Vorrichtung zur Herstellung eines loet-,schraub- und abisolierfreien LSA-PLUS-Kontaktes fuer Leiterdraehte,insbesondere fuer Aluminium- und mehrdraehtige Kupferleiter mit unterschiedlichen Drahtdurchmessern
DE3311447A1 (de) * 1983-03-29 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Anschlussklemme zum abisolierfreien anschluss elektrischer leiter in verteilern von fernmeldeanlagen, insbesondere fernsprechvermittlungsanlagen
US4533193A (en) * 1983-11-21 1985-08-06 Burndy Corporation IDC termination for coaxial cable having alignment & stabilizing means
DE8804388U1 (de) * 1988-03-31 1988-08-11 Siemens AG, 1000 Berlin und 8000 München Schneidklemme, zum Anschließen eines elektrischen Schaltdrahtes
DE8908454U1 (de) * 1989-07-11 1990-11-08 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Schneidklemmkontaktelement
JP2657562B2 (ja) * 1990-02-14 1997-09-24 アルプス電気株式会社 テーププレーヤのイジェクト装置
DE4018164C2 (de) * 1990-06-01 1994-02-10 Krone Ag Schneidklemm-Kontakt
DE4126068C1 (fr) * 1991-08-02 1992-12-03 Krone Ag, 1000 Berlin, De
DE9310365U1 (de) * 1993-07-12 1993-09-30 Quante Ag, 42109 Wuppertal Schneidklemm-Kontaktelement

Also Published As

Publication number Publication date
PL176764B1 (pl) 1999-07-30
CA2144226C (fr) 2000-05-16
CN1115153A (zh) 1996-01-17
DE4411482A1 (de) 1995-10-05
ZA952550B (en) 1996-09-30
CN1037216C (zh) 1998-01-28
BR9501236A (pt) 1995-10-31
JP2851809B2 (ja) 1999-01-27
DE59503746D1 (de) 1998-11-05
JPH07282864A (ja) 1995-10-27
CA2144226A1 (fr) 1994-09-09
KR950034902A (ko) 1995-12-28
ES2123838T3 (es) 1999-01-16
US5667400A (en) 1997-09-16
UA27931C2 (uk) 2000-10-16
DE4411482C2 (de) 1998-05-28
PL307780A1 (en) 1995-10-02
ATE171815T1 (de) 1998-10-15
EP0675564A1 (fr) 1995-10-04
RU2092943C1 (ru) 1997-10-10
DK0675564T3 (da) 1999-06-21
EG21407A (en) 2001-10-31

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