EP1629571A1 - Kontakthaltereinheit für eine elektrische verbindungssteckbuchse oder einen elektrischen steckverbinder - Google Patents

Kontakthaltereinheit für eine elektrische verbindungssteckbuchse oder einen elektrischen steckverbinder

Info

Publication number
EP1629571A1
EP1629571A1 EP04739237A EP04739237A EP1629571A1 EP 1629571 A1 EP1629571 A1 EP 1629571A1 EP 04739237 A EP04739237 A EP 04739237A EP 04739237 A EP04739237 A EP 04739237A EP 1629571 A1 EP1629571 A1 EP 1629571A1
Authority
EP
European Patent Office
Prior art keywords
contact
lever
holder unit
conductor
blades
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
EP04739237A
Other languages
English (en)
French (fr)
Other versions
EP1629571B1 (de
Inventor
Aldo Colombi
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.)
Schneider Electric Industries SAS
Original Assignee
Saip and Schyller SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33463065&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1629571(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saip and Schyller SpA filed Critical Saip and Schyller SpA
Priority to PL07104711T priority Critical patent/PL1811603T3/pl
Priority to EP07104713A priority patent/EP1801916A1/de
Priority to EP07104711A priority patent/EP1811603B1/de
Priority to PL04739237T priority patent/PL1629571T3/pl
Publication of EP1629571A1 publication Critical patent/EP1629571A1/de
Application granted granted Critical
Publication of EP1629571B1 publication Critical patent/EP1629571B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts
    • 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
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5816—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the present invention relates to a contact-holder unit for an electrical connection socket/plug having the characteristics mentioned in the preamble of Claim 1.
  • the invention is applicable both to fixed electrical connection sockets/plugs and to movable (or "in line") sockets/plugs which are normally used in the industrial field.
  • a socket/plug of the above-mentioned type is known from patent publication EP-1 178 574 Al .
  • the sockets/plugs are connected to the ends of electrical cables and generally comprise a containing housing defining in its interior a generally cylindrical seat for housing a contact-holder unit which carries a plurality of electrical contacts constituted by pairs of blades. Each pair of blades can receive one of the conductors of an electrical cable to be connected.
  • a lever for guiding and clamping a conductor of the cable is mounted on the body of the contact holder in the vicinity of each pair of blades.
  • Each lever generally has an engagement means (such as an annular portion) for favouring the correct positioning of the conductor and is articulated to the body of the contact- holder so as to be able to adopt an open or released position, for example, during an operation to connect/disconnect or replace conductors, in which the conductor held by the lever is removed and disengaged from the pair of blades.
  • the lever is pivoted to a closure position, forcing the conductor held by the lever to slip between the pair of blades in order to be clamped in a position in which it is inserted between them.
  • the object of the present invention is to provide a contact- holder unit in which the operations to clamp and release the levers of the type discussed above can be performed conveniently and easily by hand.
  • Another object of the invention is to perform more effective clamping and electrical connection of the conductors, both when they are protected by an insulating sheath and when they are bare .
  • Figure 1 is an exploded axial section through a movable socket/plug with a contact-holder unit according to the invention
  • Figure 2 is a perspective view of the contact-holder unit of Figure 1
  • Figure 3 is an exploded perspective view of the contact- holder unit of Figure 1,
  • Figure 4 is a view from above or behind, taken on the arrow IV of Figure 2 ,
  • Figure 5 is a schematic view of the contact-holder unit of Figure 1 in partial axial section
  • Figure 6 is a perspective view similar to Figure 2 of a variant of the invention.
  • a movable electrical connection socket/plug comprises a containing housing 1 in the form of a sleeve defining in its interior a substantially cylindrical seat 2 for housing a contact- holder unit, generally indicated 3.
  • the socket/plug shown in the drawings is of the movable (or "in-line") type; naturally, reference to this possible area of application should not be interpreted as in any way limiting of the scope of the patent which is also applicable to fixed sockets/plugs .
  • the contact-holder unit 3 comprises three pairs of facing blades 4a, 4b ' constituting electrical contacts to which the conductors cl, c2, c3 of a cable A are connected; the cable A is introduced through an opening 5 formed in the rear portion of the containing sleeve 1.
  • the blades 4a, 4b lie in a plane substantially perpendicular to the axis (indicated x) along which the plug is coupled with a corresponding socket . It should be noted that, in the embodiment of Figure 1, a plug with axial pins 6 is shown but the following discussion also applies to a socket .
  • the contact-holder unit has a substantially cylindrical body 7 which is inserted and clamped in the seat 2 of the containing sleeve 1 in a manner known per se.
  • the body 7 of the contact-holder unit forms a transverse end wall 8 at the rear and has three peripheral recesses 9 which extend axially and each of which houses a respective lever 10 for guiding and clamping a conductor c.
  • Each lever 10 is articulated to the body 7 of the contact-holder and has an annular portion 11 defining a hole 12 through which the end portion of the conductor c is passed.
  • each lever 10 is articulated to the contact-holder body 7 so as to be pivotable in a plane which is defined herein as "axial”, between a released position (as shown by the levers indicated 10 ' in Figures 2 and 4) and a contact position in which the lever occupies the recess 9 and is oriented in a substantially axial direction. In this position, the levers 10 are included within the circular shape of the contact-holder unit 3 which can thus be inserted in the outer containing casing or sleeve 1.
  • each of the levers 10 forms, at its end which is defined herein as the "front" end, a pair of opposed pins 13 (only one of which is visible in Figure 3) which are inserted in corresponding articulation seats 14 formed in the front portion of the contact-holder body 7.
  • a lever 10 In order to connect a conductor cl (or c2 or c3) electrically to the socket/plug, a lever 10 must first of all be moved to the open or outwardly inclined position 10 ' . The conductor is then inserted in the hole 12 in the lever; the conductor remains lying along the side 10a of the lever which, in the condition of normal use, faces towards the centre of the contact-holder unit.
  • each lever 10 preferably has a fork-shaped portion 15 which projects radially towards the central axis x and which serves as a support to stabilize the conductor and hold it in an engaged position which forces it to be inserted between the blade contacts as shown in Figure 5.
  • the lever 10 is pushed manually from the open or outwardly- pivoted position 10', causing it to enter the recess 9 and thus forcing the conductor c to be inserted between the edges 4c, 4d of the blades 4a and 4b which cut the insulating sheath of the conductor, thus making the electrical contact .
  • resilient locking teeth 16 (Figure 2) are provided in pairs in each recess 9 of the contact-holder body 7 to snap-lock the lever 10 in the closed position.
  • the locking teeth 16 are preferably disposed at the level of the rear wall 8 of the body 7 and engage corresponding recesses 17 constituting locking seats formed in the lever 10.
  • the resilient locking teeth 16 ' are arranged in pairs for engagement in corresponding recesses 17" formed on two opposite sides of the lever 10.
  • an appreciable portion of the lever 10 projects rearwardly beyond the transverse rear wall 8 of the contact-holder body 7. This enables an operator to release each lever easily by exerting a thrust with his fingers.
  • the levers are oriented parallel to the longitudinal axis of the socket/plug and the contact-holder unit can be inserted in the containing sleeve and locked therein.
  • the cable A projects from the rear opening 5 of the sleeve 1 and is clamped with the use of a rear threaded ring nut 18 which engages on a thread 19 formed at the rear end of the sleeve 1.
  • the screwing-on of the ring-nut 18 brings about axial sliding of a cable-clamping element 20 with resilient teeth 21 which engages on the frustoconical wall 22 of the rear opening 5 with the interposition of a frustoconical sealing element 23 and is tightened radially onto the cable, preventing movements thereof in an axial direction.
  • the present invention affords the following advantages.
  • the levers 10 can be locked in and released from the contact-closure position manually, requiring a minimal effort.
  • the invention utilizes the geometry of the lever to obtain a convenient and advantageous grip in order to exert with the fingers the effort which is necessary to open and close the electrical contact.
  • the arrangement of the resilient locking means for the levers enables the operator to be confident that locking has taken place since he can easily check, by pulling the lever in the opening direction, to ascertain whether locking has taken place correctly or not .
  • the support portion 15 forces the conductor to adopt a bent shape inside the contact-holder unit (as shown schematically in Figure 5) which ensures contact with the fork-shaped contact elements even if the conductor has no insulating sheath on its end portion.
  • the fork-shaped contacts are effective in cutting the insulating sheath if it also covers the end portion of the conductor.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Clamps And Clips (AREA)
  • Connecting Device With Holders (AREA)
  • Multi-Conductor Connections (AREA)
EP04739237A 2003-05-20 2004-05-18 Kontakthaltereinheit für eine elektrische verbindungssteckbuchse oder einen elektrischen steckverbinder Expired - Lifetime EP1629571B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL07104711T PL1811603T3 (pl) 2003-05-20 2004-05-18 Korpus zespołu uchwyt-styk dla połączenia elektrycznego gniazdo/wtyk
EP07104713A EP1801916A1 (de) 2003-05-20 2004-05-18 Leitungsrückhaltehebel für eine Kontakthaltereinheit einer/s elektrischen Verbindungsbuchse oder -steckers
EP07104711A EP1811603B1 (de) 2003-05-20 2004-05-18 Körper einer Kontakthaltereinheit für eine(n) elektrische(n) Verbindungsbuchse oder -stecker
PL04739237T PL1629571T3 (pl) 2003-05-20 2004-05-18 Uchwyt styków do połączenia elektrycznego typu gniazdo/wtyk

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000086U ITTO20030086U1 (it) 2003-05-20 2003-05-20 Gruppo porta-contatti per una presa-spina di connessione elettrica.
PCT/EP2004/005328 WO2004105186A1 (en) 2003-05-20 2004-05-18 A contact-holder unit for an electrical connection socket/plug

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP07104711A Division EP1811603B1 (de) 2003-05-20 2004-05-18 Körper einer Kontakthaltereinheit für eine(n) elektrische(n) Verbindungsbuchse oder -stecker
EP07104713A Division EP1801916A1 (de) 2003-05-20 2004-05-18 Leitungsrückhaltehebel für eine Kontakthaltereinheit einer/s elektrischen Verbindungsbuchse oder -steckers

Publications (2)

Publication Number Publication Date
EP1629571A1 true EP1629571A1 (de) 2006-03-01
EP1629571B1 EP1629571B1 (de) 2007-08-22

Family

ID=33463065

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04739237A Expired - Lifetime EP1629571B1 (de) 2003-05-20 2004-05-18 Kontakthaltereinheit für eine elektrische verbindungssteckbuchse oder einen elektrischen steckverbinder
EP07104711A Revoked EP1811603B1 (de) 2003-05-20 2004-05-18 Körper einer Kontakthaltereinheit für eine(n) elektrische(n) Verbindungsbuchse oder -stecker
EP07104713A Withdrawn EP1801916A1 (de) 2003-05-20 2004-05-18 Leitungsrückhaltehebel für eine Kontakthaltereinheit einer/s elektrischen Verbindungsbuchse oder -steckers

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP07104711A Revoked EP1811603B1 (de) 2003-05-20 2004-05-18 Körper einer Kontakthaltereinheit für eine(n) elektrische(n) Verbindungsbuchse oder -stecker
EP07104713A Withdrawn EP1801916A1 (de) 2003-05-20 2004-05-18 Leitungsrückhaltehebel für eine Kontakthaltereinheit einer/s elektrischen Verbindungsbuchse oder -steckers

Country Status (12)

Country Link
EP (3) EP1629571B1 (de)
CN (1) CN100433456C (de)
AT (2) ATE381796T1 (de)
BR (1) BRPI0411144B1 (de)
DE (2) DE602004010853T2 (de)
EG (1) EG23961A (de)
ES (2) ES2293270T3 (de)
IT (1) ITTO20030086U1 (de)
PL (2) PL1629571T3 (de)
RS (2) RS49994B (de)
RU (1) RU2330359C2 (de)
WO (1) WO2004105186A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913540B1 (fr) * 2007-03-05 2009-05-08 Legrand France Appareillage electrique a connexions electriques automatiques priorisees
DE102007026111A1 (de) * 2007-06-05 2008-12-11 Adc Gmbh Anschlussleiste und Kontaktelement für die Telekommunikations- und Datentechnik
DE102008028516B4 (de) * 2008-06-16 2011-12-29 Kalthoff Gmbh Elektrische Steckvorrichtung
DE102008057554B3 (de) 2008-11-15 2010-04-22 Tyco Electronics Amp Gmbh Elektrischer Steckverbinder mit Litzenführung
EP2226900A1 (de) * 2009-03-06 2010-09-08 Pompes Salmson Elektrische Verbindungsvorrichtung
JP5279649B2 (ja) * 2009-07-31 2013-09-04 三洋電機株式会社 電源接続装置
EP2363924A1 (de) 2010-03-01 2011-09-07 Marlafin AG Vorrichtung zum Verbinden eines Kabels mit einem in einem Gehäuse angeordneten elektrischen Bauelement
DE102011000460A1 (de) 2011-02-02 2012-08-02 Harting Electronics Gmbh & Co. Kg Kontaktierungsvorrichtung eines elektrischen Steckverbinders
US8460024B2 (en) * 2011-03-14 2013-06-11 Tyco Electronics Corporation Contact assembly for electrical connector
DE102012103708B3 (de) * 2012-04-27 2013-07-11 HARTING Electronics GmbH Isolierkörper eines Steckverbinder
ITTO20120820A1 (it) * 2012-09-21 2014-03-22 Schneider Electric Ind Sas Gruppo porta-contatti per una presa/spina di connessione elettrica
FR3000314A1 (fr) * 2012-12-20 2014-06-27 Legrand France Accessoire de connexion d'un appareillage electrique a des fils electriques issus d'une gaine de cheminement
FR3005215B1 (fr) * 2013-04-29 2015-05-15 Legrand France Boite electrique equipee d'un levier de connexion
IT201600130381A1 (it) * 2016-12-22 2018-06-22 Techno Group S R L Dispositivo per l’interconnessione elettrica di cavi
GB2586833A (en) * 2019-09-05 2021-03-10 Thelwell Robert A connector and method for making electrical connection between a terminal and a wire

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254889A (fr) * 1960-04-27 1961-02-24 Interrupteur électrique
CA1103771A (en) 1978-01-09 1981-06-23 Ernest G. Hoffman Dead-front electrical connector
EP0083738B1 (de) * 1981-12-21 1987-03-18 Siemens Aktiengesellschaft Mit Schneidklemmen versehenes elektrisches Kabelanschlusselement
WO1996033523A1 (en) 1995-04-21 1996-10-24 The Whitaker Corporation Insulation displacement contact with strain relief
IT1318285B1 (it) * 2000-07-31 2003-07-28 Gewiss Spa Presa/spina elettrica mobile di tipo industriale.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004105186A1 *

Also Published As

Publication number Publication date
EP1801916A1 (de) 2007-06-27
ATE381796T1 (de) 2008-01-15
EP1811603A1 (de) 2007-07-25
RS20050867A (en) 2006-10-27
DE602004010853D1 (de) 2008-01-31
ES2293270T3 (es) 2008-03-16
DE602004010853T2 (de) 2008-04-30
CN100433456C (zh) 2008-11-12
EP1629571B1 (de) 2007-08-22
WO2004105186A1 (en) 2004-12-02
ES2294776T3 (es) 2008-04-01
EG23961A (en) 2008-02-11
DE602004008457D1 (de) 2007-10-04
RU2005139733A (ru) 2006-06-10
RU2330359C2 (ru) 2008-07-27
PL1811603T3 (pl) 2008-05-30
ATE371277T1 (de) 2007-09-15
RS49994B (sr) 2008-09-29
EP1811603B1 (de) 2007-12-19
DE602004008457T2 (de) 2008-05-15
BRPI0411144B1 (pt) 2016-10-18
BRPI0411144A (pt) 2006-07-11
PL1629571T3 (pl) 2008-01-31
CN1792007A (zh) 2006-06-21
ITTO20030086U1 (it) 2004-11-21

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