EP0303818B1 - Borne sans vis de raccordement et/ou de connexion - Google Patents

Borne sans vis de raccordement et/ou de connexion Download PDF

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Publication number
EP0303818B1
EP0303818B1 EP88111000A EP88111000A EP0303818B1 EP 0303818 B1 EP0303818 B1 EP 0303818B1 EP 88111000 A EP88111000 A EP 88111000A EP 88111000 A EP88111000 A EP 88111000A EP 0303818 B1 EP0303818 B1 EP 0303818B1
Authority
EP
European Patent Office
Prior art keywords
clamping
screwless
recess
supply
conductor bar
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
EP88111000A
Other languages
German (de)
English (en)
Other versions
EP0303818A3 (en
EP0303818A2 (fr
Inventor
Franz Schrauder
Christian Süss
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.)
Wieland Electric GmbH
Original Assignee
F Wieland Elektrische Industrie 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 F Wieland Elektrische Industrie GmbH filed Critical F Wieland Elektrische Industrie GmbH
Priority to AT88111000T priority Critical patent/ATE85864T1/de
Publication of EP0303818A2 publication Critical patent/EP0303818A2/fr
Publication of EP0303818A3 publication Critical patent/EP0303818A3/de
Application granted granted Critical
Publication of EP0303818B1 publication Critical patent/EP0303818B1/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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool

Definitions

  • the invention relates to a screwless connecting and / or connecting terminal with a busbar and with at least one spring formed from a resilient flat material, one leg end of which is held on the busbar and the other end of which has a clamping recess through which one end of the busbar is located extends, wherein the lower edge of the clamping recess on the underside of the busbar finds an abutment and presses an electrical conductor inserted into the clamping space between the lower edge of the clamping recess and the busbar against the underside of the busbar.
  • Such clamps for example known from DE-GM 68 02 185, have the advantage, on the one hand, that the busbar on the one hand and the clamping rail on the other are to be manufactured as separate components independently of one another and are therefore better suited to their respective functions with regard to their material properties.
  • such terminals can be manufactured relatively easily and inexpensively, and can also be integrated into an insulating housing.
  • a difficulty with all screwless connecting and / or connecting terminals, including those of the type described at the outset, is that in order to fix a conductor, the normally closed terminal space only has to be opened by pressing on the curvature of the clamping spring. Because of the target high clamping forces and the need for them to be maintained over a long period of time, the clamping springs used for this purpose are extremely difficult to move, so that the opening of the terminal compartment or the like - especially when the terminals are restricted in tight spaces in switch cabinets are used, is extremely tedious. Basically, this difficulty also applies to the normal series assembly of devices in which conductors are to be connected using such terminals.
  • the invention is therefore based on the object of a screwless connecting and / or connecting terminal of the type mentioned in such a way that it can be delivered with an open terminal space and thus the production assembly, d. H. the connection of a conductor is considerably simplified.
  • a locking device is provided which detachably holds the clamping spring in the open position of the clamping space from a nose on one side and a counter-shoulder on the other part.
  • the locking device can be implemented in a first embodiment of the invention in such a way that a nose, preferably in the form of a U-shaped punched-out tongue, is provided above the clamping recess of the clamping leg end of the clamping spring and is supported on a counter shoulder of the angled end of the busbar .
  • a clamp according to the invention can be kept very easily ready with the terminal space open, by pressing the arch, which is normally necessary for opening the terminal space in each individual assembly process, to activate the latching device, which holds the clamping spring in the position with the terminal space open, so that the actual subsequent assembly, ie the clamping of a conductor, only requires the clamping spring to be released.
  • This triggering can be carried out in the simplest manner by means of a triggering tool, for example a screwdriver, which can be inserted via an opening arranged above the curvature of the clamping spring when the terminal is mounted within an insulating housing.
  • a displaceably mounted tensioning and display bolt is arranged in the recess of the insulating housing.
  • a triggering tool already mentioned for example a screwdriver
  • a screwdriver can be used, which can be inserted, for example, through an outer longitudinal groove of the clamping bolt.
  • a separate trigger pin can also be mounted in a longitudinally displaceable manner in such an outer longitudinal groove, so that the clamp can be both tensioned and triggered again without additional tools.
  • the clamp shown comprises a U-shaped busbar 1, the two outer legs 2 and 3 of which together with the upper base leg 4 form a terminal space 5 for a conductor 6 to be connected form.
  • a clamp spring 7 formed from a resilient flat material, one leg end 8 having a recess 9 into which a molded pin 10 of the busbar 1 engages.
  • the clamping leg end 12 connected to the leg end 8 via an arched spring section 11 is provided with a clamping recess 13, through which the end of the busbar - in the present case only its base leg 4 - extends.
  • This end 14 of the busbar is angled upward and provided with an angular nose 15 formed by upsetting, which can engage in a second recess 16 arranged above the clamping recess 13 and by contacting the counter shoulder 17 of this recess 16 the clamp in the in Fig. 1 shown open position, in which the terminal space 5 is open for inserting a conductor 6, locked.
  • the clamping spring When the clamping spring is triggered by inserting, for example, a screwdriver between the upwardly angled end 14 of the busbar and the clamping leg end 12 resting against it and held by the latching device, the curvature 11 of the spring with the clamping leg end 12 hanging thereon snaps upwards, so that the lower edge 27 of the clamping recess 13 presses the conductor 6 against the underside 18 of the busbar (FIG. 2).
  • an insulating housing 19 which surrounds the clamp (of course also on the underside (which, however, is not shown in FIG. 2 for the sake of clarity), with a recess 20 above the curved section 11 of the clamp spring gives access to the clamping spring so that it can be pretensioned to the position with the terminal space open and on the other hand can also be released again with the help of a release tool so that a conductor is clamped in the terminal space Recess 20 a tensioning and display bolt 21 is slidably mounted, whereby by engaging a nose 22 in a closed up and down groove 23 of the insulating housing a captive and non-rotatable guidance is given.
  • the curved section 11 of the clamping spring stands up and thus also presses the tensioning and display bolt 21 out of the housing , so that the position of the clamp can be seen through this projection.
  • the clamping leg end 12 is moved downward until the nose 15 engages in the recess 16 and thus prevents the clamping spring from springing back upwards.
  • the clamping leg end 12 is guided on both sides along two contact shoulder 26 of the two outer legs 2 and 3 of the busbar 1, so that the clamping leg end 12 cannot deflect in the direction of the busbar, as a result of which there is a secure locking between the nose and counter shoulder.
  • a punching 28 forming the two contact shoulders of the two outer legs 2 and 3 of the busbar 1 ensure a sufficiently large distance between the latching device and the contact point of the contact shoulders 26 on the clamping leg end 12, which ensures the necessary elasticity of the clamping spring 7 in the area of the latching device.
  • the terminal space thus remains open since the edge 27 is at a distance from the underside 18 of the busbar.
  • a screwdriver can in turn be used, which can be inserted, for example, into an outer longitudinal groove 24 of the tensioning and display bolt in order to press the end of the clamping leg somewhat to the right and thus trigger the latching device.
  • a separate trigger pin 25 could also be arranged in the longitudinal groove 24 of the tensioning and display bolt 21 in order to allow the clamping spring to pivot into the clamping position shown in FIG. 2.
  • the invention is not restricted to the exemplary embodiment shown.
  • a nose for example also a U-shaped punched-out tongue, at the clamping leg end 12 above the clamping recess 13, which is on a counter shoulder of the upwardly angled end 14 of the busbar.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Wire Bonding (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Multi-Conductor Connections (AREA)

Claims (9)

  1. Borne de raccordement et/ou de liaison sans vis incluant un rail de courant (1), incluant au moins un ressort de borne (7) formé en une matière plate élastique dont une extrémité (8) de branche est maintenue sur le rail de courant (1) et dont l'autre extrémité (12) de branche de borne présente un évidement de borne (13) à travers lequel s'étend une extrémité (14) du rail de courant, l'arête inférieure (27) de l'évidement de borne (13) trouvant un contre-appui au côté inférieur (18) du rail de courant, et poussant contre le côté inférieur du rail de courant (1) un conducteur électrique (6) introduit dans l'espace de borne entre l'arête inférieure (27) de l'évidement de borne (13) et le rail de courant (1), et incluant aussi un agencement d'encliquetage qui se compose d'un taquet et d'un contre-épaulement et retient de façon libérable le ressort de borne (7) dans la position ouverte de l'espace de borne (5), caractérisée en ce que l'agencement d'encliquetage, formé d'un taquet (15) d'une part et d'un contre-épaulement (17) d'autre part, est prévu entre une extrémité coudée vers le haut (14) du rail de courant et l'extrémité (12) de branche de borne.
  2. Borne de raccordement et/ou de liaison sans vis selon la revendication 1, caractérisée en ce qu'il est disposé, au-dessus de l'évidement de borne (13) de la branche de borne (12) un évidement de maintien (6) constituant le contre-épaulement pour un taquet à arête (15) formé par refoulement de l'extrémité coudée vers le haut (14) du rail de courant (1, 4).
  3. Borne de raccordement et/ou de liaison sans vis selon la revendication 1, caractérisée en ce qu'un taquet, de préférence en forme de languette estampée en U, qui s'appuie sur un contre-épaulement de l'extrémité pliée en U du rail de courant est prévu au-dessus de l'évidement de borne de l'extrémité de branche de borne.
  4. Borne de raccordement et/ou de liaison sans vis selon l'une des revendications 1 à 3, caractérisée en ce que l'extrémité inférieure (12) de branche de borne est guidée des deux côtés lors de l'actionnement du ressort de borne le long de deux épaulements d'appui (26) qui sont formés par des languettes estampées (28) des deux branches extérieures (2, 3) du rail de courant (1).
  5. Borne de raccordement et/ou de liaison sans vis selon l'une des revendications 1 à 4, ayant un boîtier isolant (19) qui la reçoit, caractérisée en ce que le boîtier isolant (19) est pourvu, au-dessus du bombement (11) du ressort (7), entre ses extrémités de branches (8, 12), d'un évidement (20) pour un outil de déclenchement, en particulier un tourne-vis.
  6. Borne de raccordement et/ou de liaison sans vis selon la revendication 5, caractérisée en ce qu'un goujon de contrainte et d'indication (21), logé à coulissement, est disposé dans l'évidement (20) du boîtier isolant (19).
  7. Borne de raccordement et/ou de liaison sans vis selon la revendication 6, caractérisée par une tige de déclenchement (25) logée à coulissement longitudinal vis-à-vis du goujon de contrainte (21).
  8. Borne de raccordement et/ou de liaison sans vis selon l'une quelconque des revendications 5 à 7, caractérisée en ce que le goujon de contrainte (21) est guidé dans le boîtier isolant (19), sans pouvoir tourner et de manière imperdable, par un taquet (22) venant en prise dans une rainure fermée au moins vers le haut (23) de l'évidement (20) du boîtier isolant (19).
  9. Borne de raccordement et/ou de liaison sans vis selon l'une des revendications 5 à 8, caractérisée en ce que le goujon de contrainte (21) est pourvu d'une rainure longitudinale extérieure (24) pour l'outil de déclenchement ou la tige de déclenchement (25).
EP88111000A 1987-08-14 1988-07-09 Borne sans vis de raccordement et/ou de connexion Expired - Lifetime EP0303818B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88111000T ATE85864T1 (de) 1987-08-14 1988-07-09 Schraubenlose anschluss-und/oder verbindungsklemme.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3727091A DE3727091C1 (de) 1987-08-14 1987-08-14 Schraubenlose Anschluss- und/oder Verbindungsklemme
DE3727091 1987-08-14

Publications (3)

Publication Number Publication Date
EP0303818A2 EP0303818A2 (fr) 1989-02-22
EP0303818A3 EP0303818A3 (en) 1989-10-18
EP0303818B1 true EP0303818B1 (fr) 1993-02-17

Family

ID=6333725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88111000A Expired - Lifetime EP0303818B1 (fr) 1987-08-14 1988-07-09 Borne sans vis de raccordement et/ou de connexion

Country Status (3)

Country Link
EP (1) EP0303818B1 (fr)
AT (1) ATE85864T1 (fr)
DE (2) DE3727091C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19729327C1 (de) * 1997-07-09 1998-10-29 Wieland Electric Gmbh Schutzleiterklemme
US6595808B2 (en) 2000-05-24 2003-07-22 Entrelec Sa Spring intended for making an electrical connection
US6682364B2 (en) * 2001-05-15 2004-01-27 Entrelec S.A. Connection device with pusher
US6776670B2 (en) 2001-07-20 2004-08-17 Wieland Electric Gmbh Clamping spring
DE102011052202A1 (de) 2011-07-27 2013-01-31 Phoenix Contact Gmbh & Co. Kg Klemmfeder

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019130C2 (de) * 1990-06-13 2000-03-23 Wago Verwaltungs Gmbh Stockwerksklemme für elektrische Leiter
US5254015A (en) * 1991-10-07 1993-10-19 Amp Incorporated Insulation displacing barrel terminal
DE4237733C1 (de) * 1992-11-09 1993-12-23 Weidmueller Interface Schraubenlose Anschlußklemme für elektrische Leiter
DE9403137U1 (de) * 1994-02-25 1995-06-22 F. Wieland Elektrische Industrie Gmbh, 96052 Bamberg Federklemme für einen elektrischen Leiter
DE19641206C2 (de) * 1996-09-25 1999-12-23 Wago Verwaltungs Gmbh Anschlußklemme für elektrische Leiter
DE19825629B4 (de) * 1998-06-08 2007-06-06 Siemens Ag Federkraftklemme
FR2782848B1 (fr) * 1998-09-02 2002-02-15 Entrelec Sa Dispositif elastique permettant de realiser une connexion electrique dans une borne de raccordement
FR2787932B1 (fr) 1998-12-23 2001-03-09 Entrelec Sa Ressort de connexion
DE29919903U1 (de) * 1999-11-12 2001-03-29 Weidmüller Interface GmbH & Co, 32760 Detmold Zugfederanschluß für große Leiterquerschnitte
FR2809537B1 (fr) 2000-05-24 2003-09-26 Entrelec Sa Ressort de connexion
DE10158585C1 (de) * 2001-11-29 2003-06-18 Wieland Electric Gmbh Anschlussklemme
DE10218507C1 (de) * 2002-04-25 2003-05-15 Electro Terminal Gmbh Innsbruc Anschluss- und/oder Verbindungsklemme
DE20300266U1 (de) * 2003-01-08 2004-05-19 Bals Elektrotechnik Gmbh & Co. Kg Leiteranschlussklemme, insbesondere für Steckverbinder
DE20305156U1 (de) * 2003-03-28 2004-08-19 Weidmüller Interface Gmbh & Co. Anschlußvorrichtung mit selbstauslösendem Piercingkontakt
DE202004000419U1 (de) * 2004-01-14 2005-05-25 Bals Elektrotechnik Gmbh & Co. Kg Schraubenlose Leiteranschlussklemme
DE202004000418U1 (de) * 2004-01-14 2005-06-02 Bals Elektrotechnik Gmbh & Co. Kg Schraubenlose Rahmenklemme
DE102007050683B4 (de) * 2007-10-22 2009-09-03 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
DE102007051697B4 (de) * 2007-10-26 2021-10-28 Phoenix Contact Gmbh & Co. Kg Anschlussklemme mit Öffnungseinrichtung
DE202013100740U1 (de) * 2013-02-19 2013-03-08 Weidmüller Interface GmbH & Co. KG Federkraftklemme für Leiter
DE102014115009B3 (de) * 2014-10-16 2016-02-25 Harting Electric Gmbh & Co. Kg Steckverbinder
AT15515U1 (de) * 2016-06-13 2017-11-15 Benedict Gmbh Federkraftklemme
DE202016105826U1 (de) * 2016-10-18 2018-01-19 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme mit wenigstens einem Federkraftklemmanschluss
DE102018101381A1 (de) 2018-01-23 2019-07-25 Harting Electric Gmbh & Co. Kg Steckverbinder mit Federkontakt
DE102019127464B3 (de) * 2019-10-11 2021-03-25 Phoenix Contact Gmbh & Co. Kg Anschlusseinrichtung zum Anschließen einer elektrischen Leitung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1285589B (de) * 1967-05-19 1968-12-19 Wago Kontakttechnik Gmbh Schraubenlose Verbindungsklemme
DE6802185U (de) * 1968-10-14 1969-03-27 Wago Kontakttechnik Gmbh Schraubenlose anschluss- und verbindungsklemme
DE3019149C2 (de) * 1980-05-20 1983-05-05 Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg Schraubenlose Anschlußklemme
DE3044133C2 (de) * 1980-11-24 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Schraubenlose Klemme
DE3237947A1 (de) * 1982-10-13 1984-04-19 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg Vorrichtung zur schraubenlosen verbindung zweier teile
DE3302337C2 (de) * 1983-01-25 1986-08-07 Deutsche Fibrit Gesellschaft Ebers & Dr. Müller mbH, 4150 Krefeld Verfahren und Vorrichtung zum Kaschieren von Verkleidungen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19729327C1 (de) * 1997-07-09 1998-10-29 Wieland Electric Gmbh Schutzleiterklemme
EP0891010A2 (fr) * 1997-07-09 1999-01-13 Wieland Electric GmbH Borne de raccordement avec mise à la terre
EP0891010A3 (fr) * 1997-07-09 2001-08-16 Wieland Electric GmbH Borne de raccordement avec mise à la terre
US6595808B2 (en) 2000-05-24 2003-07-22 Entrelec Sa Spring intended for making an electrical connection
US6682364B2 (en) * 2001-05-15 2004-01-27 Entrelec S.A. Connection device with pusher
US6776670B2 (en) 2001-07-20 2004-08-17 Wieland Electric Gmbh Clamping spring
DE102011052202A1 (de) 2011-07-27 2013-01-31 Phoenix Contact Gmbh & Co. Kg Klemmfeder

Also Published As

Publication number Publication date
EP0303818A3 (en) 1989-10-18
ATE85864T1 (de) 1993-03-15
DE3878501D1 (de) 1993-03-25
EP0303818A2 (fr) 1989-02-22
DE3727091C1 (de) 1989-02-02

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