EP0806811B1 - Zugfederanschluss mit einsteckbarem Anschlagelement - Google Patents

Zugfederanschluss mit einsteckbarem Anschlagelement Download PDF

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Publication number
EP0806811B1
EP0806811B1 EP97106419A EP97106419A EP0806811B1 EP 0806811 B1 EP0806811 B1 EP 0806811B1 EP 97106419 A EP97106419 A EP 97106419A EP 97106419 A EP97106419 A EP 97106419A EP 0806811 B1 EP0806811 B1 EP 0806811B1
Authority
EP
European Patent Office
Prior art keywords
tension spring
abutment element
loop
connector according
shape
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
EP97106419A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0806811A2 (de
EP0806811A3 (de
Inventor
Bernhard Delarue
Friedrich Schmidt
Gerhard Huiskamp
Heike Neumann
Jörg Diekmann
Klaus Endres
Manfred Lange
Rainer Schulze
Ralf Beller
Werner Radde
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP0806811A2 publication Critical patent/EP0806811A2/de
Publication of EP0806811A3 publication Critical patent/EP0806811A3/de
Application granted granted Critical
Publication of EP0806811B1 publication Critical patent/EP0806811B1/de
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
    • H01R4/484—Spring housing 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
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased

Definitions

  • the invention relates to a tension spring connection for electrical conductors, in particular for use in fixed-pole housings, according to the preamble of claims 1 and 17, respectively.
  • Tension spring connections for electrical conductors consist of an approximately loop-shaped tension spring, the end region of which is one Legs to rest on a conductor rail and its other end area one form legs oriented approximately perpendicular to the conductor rail. In this perpendicular to There is a window for the passage of the busbar-oriented leg Conductor rail, the lower edge of which is a clamping edge for clamping a conductor forms under the conductor rail.
  • tension spring connections are often used Connection elements used in so-called disc construction, in the individual Plastic washers are put together to form multi-pole terminal strips. at Such a disc construction is a pre-assembled assembly consisting of Power rail and tension spring suitable for installation and function from the side into the respective housing washer used.
  • the object of the present invention is therefore to provide a tension spring connection for electrical conductors, especially for use in fixed-pole housings To provide that with easy installation and cheaper Shape of stop elements due to overloading of the tension spring mechanical actuation forces reliably prevented.
  • the stop element is also shaped the outer contours reminiscent of the known stop cams of the disc construction can have, as a separated or to be separated component in the interior of the loop-shaped tension spring introduced.
  • the stop element by the lying in the direction of insertion of the conductor Insert the window of the mainspring, which makes it particularly easy even in one Housing inserted combination of tension spring and busbar a subsequent Introducing the stop element is possible.
  • tension spring elements with suitable limit stops also at fixed-pole housings with small pitch and high number of poles. It is also possible to use plastic materials for the Stop elements and the associated manufacturing options inexpensive and largely automatable prefabrication of the invention To achieve tension spring connections.
  • the stop element is like this on the tension spring that the stop element in the window of the tension spring opposite section of the loop-shaped region of the tension spring, preferably evenly, is spaced. This ensures that in the deformation of the tension spring, for example when inserting a conductor in the window, the loop-shaped area of the tension spring deform can, without abutting the stop element. This ensures that the tension spring against the stop element is carried out in one zone through which the line of action of the actuating force runs. This leads to one Particularly secure protection of the tension spring. Such an attack will the attack force of, for example, an actuating tool from critical areas kept away from the mainspring.
  • the stop element is at least in sections on the inside of the loop-shaped area of the tension spring on. This can be done by suitable design and placement of the contact surfaces the spring properties of the tension spring are influenced.
  • the stop element fixed to the boundary edges of the window of the tension spring. in this connection can in particular also change the shape of the window of the tension spring in this way be that positive or non-positive attachments of assigned Allow parts of the stop element to be achieved.
  • the stop element on the area assigned to the busbar the tension spring set.
  • Another embodiment provides that the stop element non-positively by the spring action of the tension spring itself in the Interior is set.
  • the stop element is preferably supported in its Longitudinal extension on the prestressed tension spring and is therefore by the Spring action held non-positively, the provision of fixing elements is not required.
  • a preferred embodiment with regard to the shape of the stop element provides that the stop element is essentially rigid and in its Outer contour bone-like on the loop-shaped contour of the tension spring is adjusted.
  • the loop is bent Area of the tension spring associated end of the stop element a solid area provided by a narrower area of which in turn is massive executed area near the window of the tension spring is separated. This will a shape of the stop element reminiscent of a bone shape.
  • stop element consists essentially of V-shaped legs, in which the stop element in its outer contour to the loop-shaped contour of the tension spring is adapted and the V-shaped Leg of the stop element elastic when the tension spring is actuated are deformable.
  • the tension spring can be achieved by the spring action of the Tension spring the stop element also securely in the interior of the tension spring is held without having to provide form elements for positioning.
  • Stop element with the tension spring not pre-tensioned into the inside of the loop curved area introduced.
  • the Tension spring biased by the busbar when installing the stop element and the stop element is inserted into this prestressed spring.
  • a Embodiment shows that the stop element is isolated as an injection molded part or arranged on holding belts can be held.
  • the stop element as part of an endless injection molding belt is available, the individual for assembly at predetermined breaking points Stop elements separated from the endless injection molding belt and the assembly point be fed.
  • the stop element can also be provided as a continuous casting profile be that only for assembly in the appropriate dimensional design of this continuous casting profile is cut to length. In a further embodiment, this can Forming the stop element directly into a tension spring inserted into an injection molding tool be introduced.
  • the stop element in one piece with surrounding wall areas of a fixed-pole housing is formed and through the window into the loop-shaped enclosed interior the tension spring protrudes or can be inserted.
  • the tension spring is assigned to the window, for example Wall area of the fixed pole housing a stop element in one piece provided such that it is narrow with the wall area Bridge is connected, which is assigned to the functional area wall area and tension spring passes through the window of the tension spring and thus the stop element in Positioned inside the tension spring.
  • a particularly advantageous embodiment provides for the insertion of the stop element by assigning, for example, the one belonging to a cover part Inevitably make wall area when closing the lid.
  • FIGS. 1a to 1d A first embodiment of the invention is shown in FIGS. 1a to 1d
  • Tension spring connector 1 according to claim 1, wherein the tension spring 1 in fundamentally known manner from a busbar not shown Area 4, an adjoining loop-shaped area 5 and one in turn arranged there, assigned to the window of the tension spring Area 3 is formed.
  • the window 6 is in the area 3 of the tension spring 1 arranged by a in the deformed configuration of the tension spring connection Inserted conductor, not shown, and among those also not shown Section of the busbar is clamped.
  • this function is in the embodiment according to Figures 1a to 1d by a stop element 2nd solved, which is arranged inside the tension spring 1.
  • a stop element 2 serves to protect the tension spring 1 against impermissible deformations that the Resilience and contact stability weaken and the gas tightness of the conductor connection would endanger. At the same time, this would increase the resistance of the tension spring 1 reduced against pull-out.
  • the stop element 2 is formed here by a prismatic, preferably formed from insulating material and in its contour bone-like body, which in the direction of the Assembly direction 12 through the window 6 in the interior of the loop-shaped Area of the tension spring 1 can be inserted and there by means of a fixing bolt 7 in a corresponding counter-shape 8 can be fixed in the edge region of the window 6.
  • the Stop element 2 is inserted into the undeformed tension spring 1 through the window 6 and the stop element 2 then tilted such that the holding element 7 in the counter shape 8 of the tension spring 1 can engage.
  • Stop element 2 is within the area enclosed by the tension spring 1 it should be noted that the stop element 2 is so spaced from the inner surfaces the tension spring 1 comes to rest that a preferably uniform gap 9 between Stop element 2 and tension spring 1 is created. This is especially the Deformation behavior of the tension spring 1 up to the point of contact with the stop element 2 unchanged.
  • FIG. 2a to 2d Show a further embodiment of the tension spring connection according to the invention Figures 2a to 2d, which basically corresponds to the structure of Figure 1, however the holding element 7 in the form of a bar-shaped extension on the stop element 2, which in a correspondingly expanded window 6 of the tension spring 1st is insertable.
  • This approach 7 is provided with a chamfer 10 on a head side, to be easier to assemble and still achieve a secure fixation.
  • the stop element differs from the embodiment according to FIG 2 in this embodiment laterally into the interior formed by the tension spring 1 inserted and then pivoted into the mounting position. It forms again a preferably uniform gap 9 between the stop element 2 and tension spring 1.
  • FIG. 1 Show a variant of the embodiment of the stop element 2 according to Figure 2 Figures 3a and 3b.
  • an assembly also through the window 6 of the tension spring 1 possible by the stop element 2 along its main direction of extension is provided with a spring slot 11, the springing together or springing open through the spring slot 11 separate leg of the stop element 2 allows.
  • This essentially U-shaped configuration of the stop element 2 can the stop element 2 in one by pressing the two legs together deformed state can be inserted through the window 6. After plugging in spring the leg of the stop element delimiting the spring slot 11 2 again and lie on the inner edges of the window 6 of the tension spring 1, which is enlarged by a corresponding amount.
  • Another improvement in Assembly results from a conical shape of the stop element 2, the towards the bottom of the spring slot 11 a conical shape of the side surfaces has and therefore a smaller dimension than the width of the window 6 of the tension spring 1st having.
  • FIG. 4a to 4d show a further embodiment according to claim 1, in which the fixing of the stop element 2 in the area 4 of the tension spring 1 takes place, which is assigned to a busbar, not shown.
  • a lateral notch 8 is formed, which is a console-like Area 7 of the stop element 2 can be assigned by inserting can.
  • the direction of insertion 12 is laterally to insert the console-like To allow paragraph 7 of the stop element 2.
  • Figures 5a to 5d show a variant of the embodiment according to the figures 4a to 4d, which enables assembly through the window 6 of the tension spring 1.
  • a bolt-shaped approach is provided on the stop element 2, which is in insert a groove-shaped, narrowing counter-shape 8 of the area 4 of the tension spring 1 leaves.
  • the stop element 2 through the window 6 into the interior the tension spring 1 inserted and pivoted such that the bolt 7 in the wide area of the counter mold 8 comes to rest. By pushing it further into the narrowing counter-shape 8, the stop element 2 is fixed.
  • the stop element 2 In addition to one Installation through the window 6 is also an installation by lateral insertion realizable in the tension spring 1.
  • FIGS. 6a to 6d show a further variant of the tension spring connection according to the invention, the fixing of the stop element 2 on the tension spring 1st no holding elements needed.
  • the stop element 2 is dimensioned in such a way that the dimensional design in the main direction of extension at least corresponds to the internal dimension of the tension spring 1, whereby the tension spring 1 at the side Insert the stop element 2 in the mounting direction 12 slightly sprung becomes. Due to this spring action, the stop element 2 is clamped and can no longer fall out of the interior of the tension spring 1. The insertion of the stop element 2 in the tension spring 1 takes place in a deformed configuration the tension spring 1, the intended assembly with the not shown Busbar is made.
  • the tension spring 1 positively steered via the stop element 2, in the window area 6 and opposite the window area 6, the stop element 2 lies on the inside of the tension spring 1 on. This design can significantly reduce the accuracy of assembly become.
  • FIGS. 7a to 7d and, in a variant, FIGS. 8a up to 8d Another embodiment with the stop element lying against the inner region of the tension spring 1 2 show FIGS. 7a to 7d and, in a variant, FIGS. 8a up to 8d.
  • the stop element 2 is formed from a body that is essentially consists of legs arranged in a V-shape, the shape of which and dimensions to the intended internal contour of the tension spring 1 adjusted after plugging onto a busbar area, not shown is. It is installed by inserting it from the side, the stop element 2 clamps similar to Figure 6 by the deformation of the tension spring 1 automatically inside the tension spring 1 fixed. Due to the shape of the stop element 2 and the used, preferably made of insulating material, the V-shaped Stop element 2 are also deformed when the tension spring 1 is deformed.
  • Such a shape of the stop element 2 can the spring properties the tension spring 1 are affected.
  • the stop element 2 is preferably located here full surface on the inner surfaces of the deformed tension spring 1.
  • a variant with additional fixation of the stop element 2 by a corresponding one Breakthrough of area 4 of tension spring 1 insertable pin 7 show Figures 8a to 8d.
  • the stop element 2 before deforming the tension spring 1 inserted into the interior of the tension spring 1 and by the deformation the opening 8 is brought into contact with the bolt-shaped holding element 7. Then the pre-assembled assembly is plugged onto the busbar or it can also be attached to the busbar beforehand.
  • FIG. 17 An exemplary embodiment of a tension spring connection according to claim 17 show Figures 9a to 9c.
  • the stop element 2 by means of a connecting web 14 arranged in one piece on a region of the housing wall 13 and stands by after the assignment of tension spring 1 and housing wall 13 the window 6 of the tension spring 1 in the interior.
  • the connecting web 14 Formed to match the dimensions of the window 6, in particular is on the Window 6 an additional recess 15 is provided, which in the actuated state the tension spring 1 receives the web 14 and a proper compression the tension spring 1 allows.
  • the housing wall 13 is part of a Cover that a pre-assembled number of tension springs 1 within a housing closes.
  • the locking movement for inserting the stop elements 2 used.
  • the tension spring 1 is already in the intended use with the Pre-assembled busbar connected position pre-assembled.

Landscapes

  • Springs (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP97106419A 1996-05-06 1997-04-18 Zugfederanschluss mit einsteckbarem Anschlagelement Expired - Lifetime EP0806811B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29608178U DE29608178U1 (de) 1996-05-06 1996-05-06 Zugfederanschluß mit einsteckbarem Anschlagelement
DE29608178U 1996-05-06

Publications (3)

Publication Number Publication Date
EP0806811A2 EP0806811A2 (de) 1997-11-12
EP0806811A3 EP0806811A3 (de) 1998-09-30
EP0806811B1 true EP0806811B1 (de) 2002-07-17

Family

ID=8023592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106419A Expired - Lifetime EP0806811B1 (de) 1996-05-06 1997-04-18 Zugfederanschluss mit einsteckbarem Anschlagelement

Country Status (5)

Country Link
US (1) US5879204A (es)
EP (1) EP0806811B1 (es)
AT (1) ATE220824T1 (es)
DE (2) DE29608178U1 (es)
ES (1) ES2177856T3 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19629563A1 (de) * 1996-07-15 1998-01-22 Wago Verwaltungs Gmbh Elektr. Klemme mit Überlastschutz
DE19810310C5 (de) * 1998-03-11 2004-11-25 Phoenix Contact Gmbh & Co. Kg Anschlußklemme für elektrische Leiter
DE19817925B4 (de) * 1998-04-17 2004-04-29 Wago Verwaltungsgesellschaft Mbh Federkraftklemmanschluß für elektrische Leiter
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
DE19916755B4 (de) * 1999-04-14 2007-06-28 Weidmüller Interface Gmbh & Co. Zugfederklemme
FR2792778B1 (fr) 1999-04-22 2001-05-18 Schneider Electric Sa Borne elastique d'appareil electrique
FR2794291B1 (fr) * 1999-05-28 2001-08-10 Schneider Electric Ind Sa Borne elastique a insert de butee
FR2795562B1 (fr) * 1999-06-23 2001-08-03 Entrelec Sa Ressort, notamment ressort de connexion
ES2157819B1 (es) * 1999-08-13 2002-03-01 Tecnica De Conexiones S A Borne de conexion para luminarias.
DE29919903U1 (de) * 1999-11-12 2001-03-29 Weidmüller Interface GmbH & Co, 32760 Detmold Zugfederanschluß für große Leiterquerschnitte
FR2809536B1 (fr) * 2000-05-24 2002-12-13 Entrelec Sa Ressort destine a realiser une connexion electrique
DE10135597B4 (de) * 2001-07-20 2008-01-10 Wieland Electric Gmbh Klemmfeder
DE10214919B4 (de) * 2002-04-04 2004-11-25 Siemens Ag Zugfederanschluss für elektrische Leiter
EP1353407B1 (de) * 2002-04-12 2011-01-19 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für Leiter
FR2846154B1 (fr) * 2002-10-17 2004-12-17 Schneider Electric Ind Sas Borne de connexion elastique
US6893286B2 (en) * 2003-09-06 2005-05-17 Weidmüller Interface GmbH & Co. KG Connector apparatus adapted for the direct plug-in connection of conductors
DE102005036547A1 (de) 2005-08-03 2007-02-15 Lapp Engineering & Co. Drehklemmkontaktierung für einen elektrischen Leiter
DE202005013056U1 (de) 2005-08-18 2007-01-04 Weidmüller Interface GmbH & Co. KG Elektrische Anschlussvorrichtung
GB0607602D0 (en) * 2006-04-18 2006-05-24 Bernardis Bernardino De Improvements In And relating To Connectors
JP2009187833A (ja) * 2008-02-07 2009-08-20 Emuden Musen Kogyo Kk 電線接続装置
FR2934093B1 (fr) * 2008-07-16 2015-11-06 Legrand France Borne de connexion electrique automatique
AT508278B1 (de) * 2009-06-10 2011-12-15 Siemens Ag Klemme mit einer klemmfeder
DE202010009666U1 (de) * 2010-06-30 2011-11-29 Weidmüller Interface GmbH & Co. KG Miniatur-Federklemme
DE102010063978A1 (de) * 2010-12-22 2012-06-28 Beckhoff Automation Gmbh Verbindungsmodul und Verbindungssystem
DE102011076992B4 (de) * 2011-06-06 2021-12-09 Robert Bosch Gmbh Direktsteckelement mit geschütztem Direktkontakt
US9130285B2 (en) * 2012-09-05 2015-09-08 Hubbell Incorporated Push wire connector having a spring biasing member
US9576762B2 (en) 2015-04-03 2017-02-21 Eaton Corporation Electrical switching apparatus and secondary disconnect assembly with error-proofing features therefor
US9570261B2 (en) 2015-04-03 2017-02-14 Eaton Corporation Electrical switching apparatus and secondary disconnect assembly with contact alignment features therefor
US9396889B1 (en) 2015-04-03 2016-07-19 Eaton Corporation Electrical switching apparatus and secondary disconnect assembly with cradle assembly alignment and positioning features therefor
US9336977B1 (en) 2015-04-03 2016-05-10 Eaton Corporation Electrical switching apparatus and secondary disconnect assembly with terminal retention and correction features therefor
DE202018106242U1 (de) * 2018-11-01 2020-02-14 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme

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DE3805158A1 (de) * 1988-02-15 1989-08-24 Wago Verwaltungs Gmbh Reihenklemme zur zweileiter-stromversorgung von elektrischen oder elektronischen bauelementen, insbesondere initiatoren
DE9419020U1 (de) * 1994-11-26 1995-01-26 Schneider, Claus, 47051 Duisburg Zugfederklemme
DE9420097U1 (de) * 1994-12-15 1996-01-18 WECO Wester, Ebbinghaus & Co, 63452 Hanau Schraublosklemme
DE29514509U1 (de) * 1995-09-09 1995-10-26 Weidmüller Interface GmbH & Co, 32760 Detmold Zugfederanschluß für elektrische Leiter
DE19629563A1 (de) * 1996-07-15 1998-01-22 Wago Verwaltungs Gmbh Elektr. Klemme mit Überlastschutz
DE29614082U1 (de) * 1996-08-19 1996-10-10 Weidmüller Interface GmbH & Co, 32760 Detmold Steckverbinder

Also Published As

Publication number Publication date
EP0806811A2 (de) 1997-11-12
US5879204A (en) 1999-03-09
EP0806811A3 (de) 1998-09-30
DE29608178U1 (de) 1996-07-25
ATE220824T1 (de) 2002-08-15
DE59707708D1 (de) 2002-08-22
ES2177856T3 (es) 2002-12-16

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