EP2758556B1 - Corps de serrage pour conducteur électrique - Google Patents

Corps de serrage pour conducteur électrique Download PDF

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Publication number
EP2758556B1
EP2758556B1 EP12773203.0A EP12773203A EP2758556B1 EP 2758556 B1 EP2758556 B1 EP 2758556B1 EP 12773203 A EP12773203 A EP 12773203A EP 2758556 B1 EP2758556 B1 EP 2758556B1
Authority
EP
European Patent Office
Prior art keywords
clamping body
pocket
clamping
copper
body pocket
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.)
Active
Application number
EP12773203.0A
Other languages
German (de)
English (en)
Other versions
EP2758556A2 (fr
Inventor
Michael Schäfer
Uwe Ambrosy
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47040617&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2758556(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to PL12773203T priority Critical patent/PL2758556T3/pl
Publication of EP2758556A2 publication Critical patent/EP2758556A2/fr
Application granted granted Critical
Publication of EP2758556B1 publication Critical patent/EP2758556B1/fr
Active 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/04—Alloys based on copper with zinc as the next major constituent
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw

Definitions

  • the invention relates to a clamping body for an electrical conductor with a clamping body pocket, which forms a receiving space for receiving the electrical conductor, wherein in a side wall of the clamping body pocket, a threaded bore for receiving a screw is formed. Furthermore, the invention relates to an electrical terminal with such a clamp body.
  • Such trained as a screw terminal clamp body are used for example in electrical terminals, such as terminal blocks or luster terminals.
  • Electrical connection terminals with screw connection are characterized by their high clamping forces that can be continuously transmitted to electrical conductors for years. With this type of terminal predetermined high clamping forces can be maintained without fluctuations even when acting on the electrical terminal vibration. Due to these properties, electrical connection terminals with screw connection are also preferred in demanding industrial applications with moving and oscillating machine parts.
  • the clamping body is usually arranged in an insulating material housing.
  • the clamping body pocket of the clamping body may be formed of an electrically conductive material.
  • a guided into the receiving space of the clamping body threaded bore is formed, in which a screw is inserted.
  • the screw head of the screw is accessible via an opening provided in the insulating housing, so that the screw can be turned with its tip into the receiving space and an electrical system introduced therein Can clamp conductor. But it is also possible that upon actuation of the screw, the screw pulls the clamp body up and presses the conductor against a current bar, so that no direct contact between the conductor and screw.
  • the clamping body pocket can be made of a bent band-shaped sheet metal element which is bent or folded according to the contour of the clamping body pocket.
  • the pinch body pocket may be made of a solid profile machined by machining methods such as sawing, drilling, milling, broaching, tapping, to obtain the shape of the pinch body pocket.
  • the clamping body pocket made of a solid profile has a more uniform outer contour, since no folding or bending points must be provided.
  • a clamping body pocket made of a solid profile can be formed with smaller dimensions than a clamping body pocket made of a bent band-shaped sheet metal element, whereby the space requirement of the clamping body pocket can be reduced.
  • the high-current contact element has a metallic contact body and a screw element which can be connected to the contact body.
  • the contact body may be formed of CuZn39B63F51.
  • the invention is therefore based on the object to provide a clamp body and an electrical terminal that meet the EU directives and the substance prohibition regulations and at the same time have good machinability in their production.
  • this object is achieved in that the clamping body pocket is formed of a copper-zinc alloy, which has a lead content Pb ⁇ 0.1 wt .-%, a tensile strength Rm ⁇ 640 N / mm 2 and an elongation at break A10 ⁇ 5%. Furthermore, the object is achieved by an electrical terminal comprising a clamping body according to one of claims 1 to 6. Advantageous embodiments and advantageous developments of the invention are specified in the dependent claims.
  • the copper-zinc alloy has a tensile strength Rm ⁇ 640 N / mm 2 , the copper-zinc alloy and thus the pinch body pocket has no or at least only a very small relaxation, so that the functional capability, in particular the clamping ability or the clamping force of such a clamp body when clamping an electrical conductor has a very long service life without the clamping effect wears off, as by the good mechanical properties, in particular the high tensile strength of the material of the clamping body pocket Rm ⁇ 640 N / mm 2 , can be prevented in that the material yields to the clamping body pocket and expands due to the applied tension by the clamping force. Further, the elongation at break of A10 ⁇ 5% ensures that the copper-zinc alloy has good machinability, in particular good ductility and machinability.
  • the copper-zinc alloy has a zinc content Zn ⁇ 40 wt .-%.
  • the high zinc content of the alloy can further improve machinability in terms of ductility and machinability of this alloy without adding lead to the alloy, so that the manufacturing cost of the sprag pocket can also be further reduced.
  • the copper-zinc alloy is CuZn42.
  • This special alloy CuZn42 which has a needle-shaped microstructure, is characterized by a very good machinability by easy machinability, without the need for a lead content in the alloy is necessary. Furthermore, this special copper-zinc alloy has a high corrosion resistance and due to the high elongation at break, a secure conductor clamping can be ensured with such a clamping body pocket even with very long service life.
  • the clamping body pocket is provided with a surface coating.
  • the surface coating can be formed for example by a galvanic nickel coating, which in particular when screwing a screw into the threaded bore formed in the clamping body pocket high torques can be achieved.
  • the surface of the copper-zinc alloy of the pinch body pocket is pickled.
  • the thickness of the nickel coating is preferably between 1 and 3 pm. Further, it is possible to provide a sub-copper as a surface coating. However, it is also possible to provide no surface coating.
  • the clamping body pocket is formed according to a further advantageous embodiment of the invention of a solid profile.
  • Solid profile here means that the clamping body pocket is made of one piece, preferably a rectangular profile wire, which is machined by cutting, milling and broaching to a clamping body pocket with a receiving space for receiving an electrical conductor and a threaded bore form. Due to the good machinability of the copper-zinc alloy used, the production of a clamping body pocket according to the invention from a solid profile is particularly well possible.
  • the clamping body pocket is formed of a curved band-shaped element. Due to the high elongation at break A10 ⁇ 5% of the copper-zinc alloy used, the copper-zinc alloy used has a good formability, whereby the production of a formed of a curved band-shaped element clamping body pocket is easy and inexpensive.
  • the in Fig. 1 to 3 shown clamping body 10 has a clamping body pocket 12, which is formed of a solid profile and is made by machining, in particular milling, broaching and drilling, for example, a rectangular profile wire.
  • the clamping body pocket 12 has a receiving space 14, which in the form of a, as in Fig. 2 formed to see, laterally introduced through hole is formed on, through which a, not shown here, to be clamped and to be connected electrical conductor can be introduced.
  • the receiving space 14 is bounded by a first side wall 16, a second side wall 18, a bottom side wall 20 and a ceiling side wall 22 of the clamping body pocket 12.
  • a threaded bore 24 for receiving a screw is formed in the ceiling-side side wall 22, by means of which the inserted into the receiving space 14 conductor can be clamped and connected.
  • Fig. 3 the clamping body 10 is shown in a plan view of the ceiling-side side wall 22, in which the threaded bore 24 is provided.
  • the pinch body pocket 12 is formed of a copper-zinc alloy, preferably CuZn42, with a lead content Pb ⁇ 0.1 wt%, a copper content Cu of 58 wt%, a zinc content Zn of 42 wt%
  • Tensile strength Rm 640 N / mm 2 and an elongation at break A10 5% which is characterized by a particularly good machinability, very good corrosion resistance, no or very little relaxation properties and low production costs.
  • LIST OF REFERENCE NUMBERS clamping bodies 10 Clamp body bag 12 accommodation space 14 Side wall 16 Side wall 18 Side wall 20 Side wall 22 threaded hole 24

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Clamps And Clips (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Bag Frames (AREA)
  • Conductive Materials (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (7)

  1. Corps de serrage pour un conducteur électrique, comportant une poche de corps de serrage (12) formant un espace de réception (14) pour loger le conducteur électrique, dans lequel un trou taraudé (24) est ménagé dans une paroi latérale (22) de la poche de corps de serrage (12) pour recevoir une vis,
    caractérisé en ce que la poche de corps de serrage (12) est constituée d'un alliage de cuivre et de zinc qui présente une teneur en plomb Pb < 0,1% en poids, une résistance à la traction Rm ≥ 640 N/mm2 et un allongement à la rupture A10 ≥ 5%.
  2. Corps de serrage selon la revendication 1,
    caractérisé en ce que l'alliage de cuivre et de zinc présente une teneur en zinc Zn ≥ 40% en poids.
  3. Corps de serrage selon la revendication 1 ou 2, caractérisé en ce que l'alliage de cuivre et de zinc est le CuZn42.
  4. Corps de serrage selon l'une des revendications 1 à 3, caractérisé en ce que la poche de corps de serrage (12) présente un revêtement de surface.
  5. Corps de serrage selon l'une des revendications 1 à 4, caractérisé en ce que la poche du corps de serrage (12) est constituée d'un profilé plein.
  6. Corps de serrage selon l'une des revendications 1 à 4, caractérisé en ce que la poche de corps de serrage (12) est constituée d'un élément en forme de bande courbée.
  7. Borne électrique comprenant un corps de serrage (10) selon l'une des revendications 1 à 6.
EP12773203.0A 2011-09-21 2012-09-20 Corps de serrage pour conducteur électrique Active EP2758556B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12773203T PL2758556T3 (pl) 2011-09-21 2012-09-20 Korpus zaciskowy dla przewodu elektrycznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011053823A DE102011053823A1 (de) 2011-09-21 2011-09-21 Klemmkörper für einen elektrischen Leiter
PCT/EP2012/003921 WO2013041221A2 (fr) 2011-09-21 2012-09-20 Corps de serrage pour conducteur électrique

Publications (2)

Publication Number Publication Date
EP2758556A2 EP2758556A2 (fr) 2014-07-30
EP2758556B1 true EP2758556B1 (fr) 2018-07-18

Family

ID=47040617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12773203.0A Active EP2758556B1 (fr) 2011-09-21 2012-09-20 Corps de serrage pour conducteur électrique

Country Status (7)

Country Link
US (1) US9209567B2 (fr)
EP (1) EP2758556B1 (fr)
CN (1) CN103958707B (fr)
BR (1) BR112014006752B1 (fr)
DE (1) DE102011053823A1 (fr)
PL (1) PL2758556T3 (fr)
WO (1) WO2013041221A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018104958U1 (de) * 2018-08-30 2018-09-12 Harting Electric Gmbh & Co. Kg Steckverbinder mit Komponenten aus verbessertem Material
CN114007880B (zh) * 2019-06-21 2024-06-11 金泰克斯公司 活动窗的电连接方法

Citations (9)

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Publication number Priority date Publication date Assignee Title
DE2217851A1 (de) 1972-04-13 1973-10-25 Phoenix Elekt Verfahren zur herstellung eines huelsenfoermigen klemmkoerpers fuer elektrische verbindungsklemmen und nach diesem verfahren hergestellter klemmkoerper
DE3640824A1 (de) 1986-11-28 1988-06-09 Woehner Alfred Gmbh Einsatz fuer abzweigklemmen
DE8704710U1 (de) 1987-03-31 1988-07-28 Weco Wester, Ebbinghaus & Co, 6450 Hanau Schraubklemme, vorzugsweise zum Einbau auf Leiterplatten von gedruckten Schaltungen
US4861290A (en) 1987-12-09 1989-08-29 Eaton Corporation Aluminum electrical connector with threaded opening having electroplated layer of uniform thickness
DE10215985A1 (de) 2002-04-11 2003-11-06 Siemens Ag Hochstrom-Kontaktelement zur Befestigung an einer Leiterplattenanordnung und Verwendung eines Hochstrom-Kontaktelements
DE20310459U1 (de) 2003-07-08 2004-11-18 Adels-Contact Elektrotechnische Fabrik Gmbh & Co. Kg Klemmkörper für eine Lüsterklemme
DE102005061732A1 (de) 2005-12-21 2007-07-05 Phoenix Contact Gmbh & Co. Kg Klemmkörper für elektrotechnische Anschlussklemmen
US7354489B2 (en) 2003-02-28 2008-04-08 Wieland-Werke Ag Lead-free copper alloy and a method of manufacture
DE102009038657A1 (de) 2009-08-18 2011-02-24 Aurubis Stolberg Gmbh & Co. Kg Messinglegierung

Family Cites Families (9)

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JPS58128516A (ja) 1982-01-27 1983-08-01 中越合金鋳工株式会社 黄銅系形状記憶合金製締め付け部品の締め付け方法
JPS62130294A (ja) 1985-12-03 1987-06-12 Nippon Mining Co Ltd 通電ロ−ル
DE3735783C1 (de) * 1987-10-22 1989-06-15 Diehl Gmbh & Co Verwendung einer Kupfer-Zink-Legierung
DE19813753B4 (de) * 1998-03-27 2005-03-24 Abb Patent Gmbh Kontaktklemme
JP3797662B2 (ja) * 2002-01-30 2006-07-19 トライス株式会社 銅黒鉛質ブラシ
US20130330227A1 (en) * 2004-12-02 2013-12-12 Diehl Metall Stiftung & Co. Kg Copper-Zinc Alloy for a Valve Guide
DE102005059391A1 (de) * 2005-12-13 2007-06-14 Diehl Metall Stiftung & Co.Kg Kupfer-Zink-Legierung sowie daraus hergestellter Synchronring
US20120267011A1 (en) * 2011-04-25 2012-10-25 Lawrence Benjamin L Sulfur treatment for copper zinc alloys
US20130115128A1 (en) * 2011-11-07 2013-05-09 Nibco Inc. Sulfur-rich corrosion-resistant copper-zinc alloy

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2217851A1 (de) 1972-04-13 1973-10-25 Phoenix Elekt Verfahren zur herstellung eines huelsenfoermigen klemmkoerpers fuer elektrische verbindungsklemmen und nach diesem verfahren hergestellter klemmkoerper
DE3640824A1 (de) 1986-11-28 1988-06-09 Woehner Alfred Gmbh Einsatz fuer abzweigklemmen
DE8704710U1 (de) 1987-03-31 1988-07-28 Weco Wester, Ebbinghaus & Co, 6450 Hanau Schraubklemme, vorzugsweise zum Einbau auf Leiterplatten von gedruckten Schaltungen
US4861290A (en) 1987-12-09 1989-08-29 Eaton Corporation Aluminum electrical connector with threaded opening having electroplated layer of uniform thickness
DE10215985A1 (de) 2002-04-11 2003-11-06 Siemens Ag Hochstrom-Kontaktelement zur Befestigung an einer Leiterplattenanordnung und Verwendung eines Hochstrom-Kontaktelements
US7354489B2 (en) 2003-02-28 2008-04-08 Wieland-Werke Ag Lead-free copper alloy and a method of manufacture
DE20310459U1 (de) 2003-07-08 2004-11-18 Adels-Contact Elektrotechnische Fabrik Gmbh & Co. Kg Klemmkörper für eine Lüsterklemme
DE102005061732A1 (de) 2005-12-21 2007-07-05 Phoenix Contact Gmbh & Co. Kg Klemmkörper für elektrotechnische Anschlussklemmen
DE102009038657A1 (de) 2009-08-18 2011-02-24 Aurubis Stolberg Gmbh & Co. Kg Messinglegierung

Non-Patent Citations (3)

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Title
"Kupfer-Zink-Legierungen", DEUTSCHES KUPFERINSTITUT, March 2007 (2007-03-01), pages 1 - 30, XP055568361, Retrieved from the Internet <URL:https://www.kupferinstitut.de/fileadmin/user_upload/kupferinstitut.de/de/D ocuments/Werkstoffe/Werkstoffeigenschaften/lnfodrucke/i 05_0418.pdf>
ERHARD HORNBOGEN ET AL.: "Aufbau und Eigenschaften von Keramik-, Metall Polymer- und Verbundwerkstoffen", 1994, pages 251 - 259, XP055583062
U. LORENZ ET AL.: "BlueBrass: Bleifreies Zerspanungsmessing für existierende RecyclingKreisläufe", METALL-FORSCHUNG, vol. 64, 2010, pages 531 - 534, XP055583058

Also Published As

Publication number Publication date
BR112014006752B1 (pt) 2018-12-04
US9209567B2 (en) 2015-12-08
BR112014006752A2 (pt) 2017-03-28
CN103958707B (zh) 2018-01-19
WO2013041221A3 (fr) 2013-07-18
PL2758556T3 (pl) 2018-11-30
WO2013041221A2 (fr) 2013-03-28
CN103958707A (zh) 2014-07-30
US20150180173A1 (en) 2015-06-25
EP2758556A2 (fr) 2014-07-30
DE102011053823A1 (de) 2013-03-21

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