EP0675564A1 - Contact auto dénudant oblique - Google Patents

Contact auto dénudant oblique Download PDF

Info

Publication number
EP0675564A1
EP0675564A1 EP95100738A EP95100738A EP0675564A1 EP 0675564 A1 EP0675564 A1 EP 0675564A1 EP 95100738 A EP95100738 A EP 95100738A EP 95100738 A EP95100738 A EP 95100738A EP 0675564 A1 EP0675564 A1 EP 0675564A1
Authority
EP
European Patent Office
Prior art keywords
contact
insulation displacement
legs
zones
slot
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
EP95100738A
Other languages
German (de)
English (en)
Other versions
EP0675564B1 (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.)
ADC 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

    • 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
    • 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
    • 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

Definitions

  • the invention relates to an oblique insulation displacement contact according to the preamble of patent claim 1.
  • the known oblique insulation displacement contacts cannot be used for wires with a diameter of less than 0.4 mm, since the two contact forces diagonally opposite one another at the contact notches cause a resulting bending moment which deforms the wire to be contacted. If the wire is not sufficiently stiff, this can result in severe wire deformation.
  • the limit of stiffness for copper wire is approximately 0.4 mm in diameter.
  • a further disadvantage of the known oblique insulation displacement contacts is the rigidity of the contact itself. In order for a secure contact to occur between the insulation displacement contact and the wire, sufficient rigidity of the insulation displacement contact must be ensured, since otherwise the cutting will occur -Klemm-contact deformed when inserting the wire and insufficient contact force. The selection of materials for the insulation displacement contact is therefore limited by the given contact geometry.
  • a disadvantage of these oblique insulation displacement contacts is that the twisting or shearing of the contact legs also widens the area of the contact legs that is to be accommodated in the housing. This problem could be solved by narrowing the insulation displacement contact, but the narrowing of the insulation displacement contact results in a reduction in the rigidity of the insulation displacement contact.
  • the invention is therefore based on the object to provide an inclined insulation displacement contact of the generic type, with which wires with a lower rigidity than a copper wire of 0.4 mm in diameter can be contacted, the insulation displacement to be created -Contact should fit into the previously used receptacles of the housing without reducing the rigidity of the insulation displacement contact.
  • FIG. 1 shows a section through a housing 1 which is designed according to the prior art and regularly accommodates a plurality of insulation displacement contacts 2, of which only one insulation displacement contact 2 is shown for the sake of simplicity.
  • This consists of metallic leaf spring material with two separate along the contact slot 3, at one end rigidly connected contact legs 4.
  • slot-shaped receptacles 5 in the housing 1 which is preferably made of plastic, are offset from one another , arranged diagonally opposite. Depending on how far the receptacles 5 are arranged offset from one another, the insertion angle of the wire to be contacted to the contact legs 4 of the insulation displacement contact 2 changes.
  • the effective width of the contact leg 4 increases, as shown in dashed lines in Fig.1.
  • the width B of the receptacle 5 would therefore have to be used for the oblique insulation displacement contact 2 known from the prior art with sheared or twisted contact legs 4 are widened, since the resulting width of the insulation displacement contact 2 is increased by the shearing or twisting in the region of the receptacle 5 such that the contact legs 4 no longer fit into the receptacles 5.
  • FIG. 1 An exemplary embodiment of an oblique insulation displacement contact 2 according to the invention is shown in FIG.
  • the two contact legs 4 lie in a common plane, so that they would merge into one another when extended beyond the contact slot 3.
  • the contact zones 6 of the contact limbs 4 delimiting the contact slot 3 are angled in opposite directions, their end faces 7 and their outer sides 8 each running parallel to one another.
  • the tops of the contact legs 4 are in one plane, ie the contact legs have the same height.
  • FIG. 1 An exemplary embodiment of an oblique insulation displacement contact 2 according to the invention is shown in FIG.
  • the two contact legs 4 lie in a common plane, so that they would merge into one another when extended beyond the contact slot 3.
  • the contact zones 6 of the contact limbs 4 delimiting the contact slot 3 are angled in
  • the two contact points 12 and thus the components of the contact forces F perpendicular to the axis 14 of the inserted wire are located on a common line of action 13 which is perpendicular to the axis 14 of the inserted wire.
  • the resulting bending moment caused by the two contact forces F is consequently zero.
  • the geometrical configuration of the insulation displacement contact 2 remains in comparison to the previously known ones for which Housing 1 used insulation displacement contacts 2 unchanged, so that the insulation displacement contacts 2 can be easily inserted into the receptacles 5 of the housing 1 from Fig.1.
  • the contact zones 6 of the contact legs 4 are bent away in opposite directions under a certain bending radius.
  • the contact is made via a rounded outer side 9 so as not to sever the strands.
  • the rounded outer side 9 thus formed prevents the strands from being severed.
  • the bending radius and the bending length are chosen just like this that a resulting bending moment zero occurs because the contact points 12 of the contact zones 6 lie on the common line of action 13 perpendicular to the axis 14 of the wire.
  • a larger bending radius is selected, so that with the same bending length, the two contact points 12 of the contact zones 6 are on an action line 13 that is not perpendicular to the axis 14 of the inserted wire, which results in a bending moment.
  • the resulting lever arms of the contact forces can be shifted relative to one another by varying the bending radius and bending length.
  • the contact zones 6 of the contact legs 4 are displaced in parallel in opposite directions by the depth 10 relative to the plane of the contact legs 4, but the contact zones 6 are arranged parallel to the original plane of the contact legs 4.
  • the parallel displacement runs in opposite directions, ie one contact zone 6 lies on one side and the other contact zone 6 lies on the other side of the plane of the contact legs 4.
  • the common line of action 13 of the contacting points 12 of the contact zones 6 including the contact slot 3 is again vertical to the axis 14 of the inserted wire, so that a resulting zero bending moment occurs.
  • the resulting lever arms can be displaced relative to one another via the depth 10 of the parallel displacement from the plane of the contact legs 4 become.
  • FIG. 7 shows a similar embodiment to that shown in FIG. 6, in which the depth 10 is selected such that a resulting bending moment remains, since the line of action 13 of the contacting points 12 is inclined to the axis 14 of the inserted wire.
  • lever arms can also be displaced by means of cutouts 11.
  • FIG. 1 An exemplary embodiment with trapezoidal cutouts 11 is shown in FIG.
  • the free cuts 11 are located on the sides of the contact legs 4, which face the axis 14 of the wire.
  • contact zones 16 are formed, the width of which is smaller than the material thickness of the contact legs 4, in contrast to the exemplary embodiments according to FIGS. 2-7, in which the width of the contact zones 6 is equal to the material thickness of the contact legs 4.
  • the two contact points 12 are displaced in the direction of the central axis 15 of the contact legs 4.
  • the trapezoidal angle ⁇ and the length L of the free cut 11 are selected in the exemplary embodiment so that the line of action 13 of the contact points 12 is perpendicular to the axis 14 of the wire to be inserted, so that no resulting bending moment occurs.
  • a small trapezoidal angle ⁇ and the length L of the free cut 11 are so selected so that a resulting bending moment remains due to the force components F. Since the width of the contact limbs 4 is reduced only in the area of the contact zones 16 of the contact slot 3, the changes in the rigidity of the insulation displacement contact 2 are insignificant.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Floor Finish (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
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 true EP0675564A1 (fr) 1995-10-04
EP0675564B1 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319904A (en) * 1996-11-28 1998-06-03 Nordic Aluminium Oyj Current take-off device with IDC contacts
GB2319903A (en) * 1996-11-28 1998-06-03 Nordic Aluminium Oyj Current take-off device with IDC contacts
CN110212393A (zh) * 2019-03-21 2019-09-06 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033998A1 (de) * 2005-07-21 2007-02-01 Adc Gmbh Schneidklemm-Steckverbinder und Einrichtung für die Telekommunikations- und Datentechnik

Citations (6)

* 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
GB2040607A (en) * 1979-01-24 1980-08-28 Post Office Electrical terminations
EP0051103A1 (fr) * 1980-10-29 1982-05-12 KRONE GmbH Dispositif pour serrer un conducteur de câble isolé à un élément de contact
EP0121224A1 (fr) * 1983-03-29 1984-10-10 Siemens Aktiengesellschaft Borne pour la connexion sans dénudage de conducteurs électriques dans les répartiteurs d'installations de télécommunications, notamment de téléphone
EP0525457A2 (fr) * 1991-08-02 1993-02-03 KRONE Aktiengesellschaft Organe de contact à displacement d'isolant
DE9310365U1 (de) * 1993-07-12 1993-09-30 Quante Ag, 42109 Wuppertal Schneidklemm-Kontaktelement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4333700A (en) * 1980-05-23 1982-06-08 Bell Telephone Laboratories, Incorporated Insulation-penetrating slotted beam contact element
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
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

Patent Citations (6)

* 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
GB2040607A (en) * 1979-01-24 1980-08-28 Post Office Electrical terminations
EP0051103A1 (fr) * 1980-10-29 1982-05-12 KRONE GmbH Dispositif pour serrer un conducteur de câble isolé à un élément de contact
EP0121224A1 (fr) * 1983-03-29 1984-10-10 Siemens Aktiengesellschaft Borne pour la connexion sans dénudage de conducteurs électriques dans les répartiteurs d'installations de télécommunications, notamment de téléphone
EP0525457A2 (fr) * 1991-08-02 1993-02-03 KRONE Aktiengesellschaft Organe de contact à displacement d'isolant
DE9310365U1 (de) * 1993-07-12 1993-09-30 Quante Ag, 42109 Wuppertal Schneidklemm-Kontaktelement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319904A (en) * 1996-11-28 1998-06-03 Nordic Aluminium Oyj Current take-off device with IDC contacts
GB2319903A (en) * 1996-11-28 1998-06-03 Nordic Aluminium Oyj Current take-off device with IDC contacts
US5921790A (en) * 1996-11-28 1999-07-13 Nordic Aluminium Oy Arrangement in connection with a current take-off device of a contact rail system
US6113401A (en) * 1996-11-28 2000-09-05 Nordic Aluminium Oy Arrangement in connection with a current take-off device of a contact rail system
GB2319903B (en) * 1996-11-28 2001-06-27 Nordic Aluminium Oyj Arrangement in connection with a current take-off device of a contact rail system
GB2319904B (en) * 1996-11-28 2001-06-27 Nordic Aluminium Oyj Arrangement in connection with a current take-off device of a contact rail system
CN110212393A (zh) * 2019-03-21 2019-09-06 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
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

Also Published As

Publication number Publication date
ES2123838T3 (es) 1999-01-16
JP2851809B2 (ja) 1999-01-27
RU2092943C1 (ru) 1997-10-10
PL307780A1 (en) 1995-10-02
US5667400A (en) 1997-09-16
CA2144226C (fr) 2000-05-16
ATE171815T1 (de) 1998-10-15
DE4411482C2 (de) 1998-05-28
DK0675564T3 (da) 1999-06-21
CN1037216C (zh) 1998-01-28
DE4411482A1 (de) 1995-10-05
ZA952550B (en) 1996-09-30
DE59503746D1 (de) 1998-11-05
BR9501236A (pt) 1995-10-31
EP0675564B1 (fr) 1998-09-30
CN1115153A (zh) 1996-01-17
EG21407A (en) 2001-10-31
KR950034902A (ko) 1995-12-28
JPH07282864A (ja) 1995-10-27
UA27931C2 (uk) 2000-10-16
PL176764B1 (pl) 1999-07-30
CA2144226A1 (fr) 1994-09-09

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