EP1403968A2 - Borne de raccordement - Google Patents

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Publication number
EP1403968A2
EP1403968A2 EP03018895A EP03018895A EP1403968A2 EP 1403968 A2 EP1403968 A2 EP 1403968A2 EP 03018895 A EP03018895 A EP 03018895A EP 03018895 A EP03018895 A EP 03018895A EP 1403968 A2 EP1403968 A2 EP 1403968A2
Authority
EP
European Patent Office
Prior art keywords
spring
terminal according
busbar
clamping element
terminal
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
EP03018895A
Other languages
German (de)
English (en)
Other versions
EP1403968A3 (fr
EP1403968B1 (fr
Inventor
Gerd Conrad
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.)
Conrad Stanztechnik GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1403968A2 publication Critical patent/EP1403968A2/fr
Publication of EP1403968A3 publication Critical patent/EP1403968A3/fr
Application granted granted Critical
Publication of EP1403968B1 publication Critical patent/EP1403968B1/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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2608—Fastening means for mounting on support rail or strip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail
    • 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
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool

Definitions

  • the invention relates in a first aspect to a terminal, in particular a terminal, with a busbar and at least one separately formed and electrically conductive spring terminal connected thereto, which is suitable for screwless mounting a conductor by a conductor end with a spring force of the Federerklemmelements exceeding force ( or in the spring clamp open with an auxiliary tool) is inserted and is sufficiently contacted by spring force.
  • a terminal in particular a terminal, with a busbar and at least one separately formed and electrically conductive spring terminal connected thereto, which is suitable for screwless mounting a conductor by a conductor end with a spring force of the Federerklemmelements exceeding force ( or in the spring clamp open with an auxiliary tool) is inserted and is sufficiently contacted by spring force.
  • Such terminals are common in particular in home technology and lead by dispensing with screwing to considerable time savings during installation.
  • Such a terminal is, for example.
  • a leaf spring with a middle and two opposite, opposite curved turns of turns is used, each free leg are directed obliquely to contact areas of the busbar and rest against it with spring force.
  • a disadvantage of this known embodiment is that the thickness of the terminal in the mounting direction due to the fact that the leaf spring, seen in the direction of assembly, is before the busbar, is always greater than the thickness of the leaf spring, which in turn must be at least as large as the largest wire diameter to be included.
  • a leaf spring clamp which has a support block made of a profile strip made of brass, to which a leaf spring is clamped.
  • a disadvantage here is that the carrier block has a considerable material cross-section, which leads to corresponding material costs in practice.
  • the invention has for its object to improve a generic terminal to the effect that it has the smallest possible thickness with the lowest possible material consumption.
  • the spring clamping element has a spring leg and an opposite contact legs for clamping an interposed and applied against the contact leg electrical conductor, wherein spring and contact legs for receiving spring forces respectively against the busbar are supported.
  • the spring and contact legs are formed one or more parts of bent sheet material, which has substantially exclusively in a plane oriented perpendicular to a width direction of the flat sheet bending radii, so that a width dimension of the spring clamping element substantially Width of the flat material corresponds.
  • the thickness of the terminal is not greater than the width dimension of the sheet material from which the spring clamping element (spring and contact legs) is formed (plus the thickness of the insulating material of the housing), so that the width of the terminal in relation to the maximum recordable conductor diameter is significantly lower than in known designs.
  • the spring clamping element is formed in two parts and the spring leg consists of a material with a high modulus of elasticity, in particular spring steel.
  • the spring clamping element is formed in two parts and the contact leg consists of a highly conductive material, in particular a copper alloy.
  • Spring and contact legs may each be substantially U-shaped or V-shaped and connected to each other along a respective portion.
  • the contact leg may have a corrugation for improving the contacting and fixing of a conductor.
  • the contact leg has a slot-shaped opening for connecting, in particular riveting, with a corresponding projection of the busbar.
  • spring and contact legs can be riveted together, welded or connected to each other in any other way.
  • a conductive connection is not required because only the contact leg is needed to make a conductive connection.
  • the spring clamping element has an additional spring portion, which acts on the spring leg with an excess beyond a predetermined amount deflection with an additional spring force.
  • the additional spring portion may be formed as an extension of the spring leg.
  • the busbar made of flat sheet material, in particular punched, and oriented perpendicular to a width direction of the spring clamping element.
  • the bus bar (each) has a receiving recess for the (each) spring clamping element.
  • the (each) receiving recess may be U-shaped with a base portion and two side portions, wherein the spring clamping element is fixed to the base portion, in particular by riveting, welding and / or soldering.
  • the spring clamping element in its receiving recess for. B. only by plugging, is held in a form-fitting.
  • the invention further provides that the busbar has spring contacts for receiving at least one jumper finger.
  • the spring contacts may be integrally formed by punching with the busbar.
  • a protective conductor connection is formed integrally with the busbar.
  • the bus bar is made strip-shaped from flat sheet material whose width substantially coincides with the width of the Federerklemmelements.
  • the busbar is substantially planar.
  • the spring clamp element is provided with Abst Reifenan arrangementsn with which it is supported against the busbar.
  • the contact leg is U-shaped in a central region and merges at both end portions in inverted U-shaped Abstweilan accounts, wherein free ends of the Abstützan among others are connected to the busbar, in particular by riveting or latching.
  • the invention further provides that the Abstönanais run to improve the supporting action inclined to the busbar.
  • the invention further relates in a second aspect, a terminal, in particular terminal, with a bus bar made of a flat sheet material and at least one separately formed from the busbar and held spring clamp element, which has a spring leg for clamping an electrical conductor, wherein the spring clamping element of a curved, strip-shaped spring material is formed, which has substantially exclusively in a direction perpendicular to its width oriented plane lying bending radii, so that a width dimension of the spring clamping element substantially corresponds to the width of the spring material.
  • Such a terminal is, for example, from the aforementioned DE 27 24 354 known.
  • a contact surface against which the spring leg of the spring clamping element presses an electrical conductor is formed by a perpendicular to an extension plane of the busbar angled region of the flat sheet.
  • spring clamp element and the busbar are riveted together, welded or connected to each other in any other way.
  • An electrical contact is not mandatory here.
  • the busbar has an integrally formed therewith stop, to which the spring leg with increasing deflection progressively applies.
  • the busbar (each) has a receiving recess for the (each) spring clamp element.
  • a protective conductor connection is formed integrally with the busbar.
  • Fig. 1 to 9 illustrate a first embodiment of a terminal according to the invention in the form of a terminal block 1, which is shown in side and perspective view in FIGS. 1 and 2.
  • the terminal block 1 has in a conventional manner a relatively narrow in the direction of arrangement 2, insulating plastic housing 3, which serves the insulating support of a busbar 4.
  • insulating plastic housing 3 which serves the insulating support of a busbar 4.
  • Fixedly connected to the busbar are two spring clamping elements 6, each having a spring leg 8 and a contact leg 10 and are conductively connected to the busbar 4.
  • To be connected conductors can be mounted in a time-saving plug-in technology by passing through a housing opening 14 and inserted between spring leg 8 and contact leg 10 in the direction of arrow 12, wherein the spring leg 8 is opened away from the contact leg 10, so that a contact end portion of the connected Ladder between spring and contact legs is clamped.
  • a suitable tool for example.
  • a screwdriver introduced through a further housing opening 16 and the spring leg 8 is opened become.
  • a stop 18 is provided in order to avoid excessive bending back of the spring leg.
  • FIGS. 3 to 7 serve to explain the busbar and spring clamping elements held in the housing 3.
  • the busbar 4 is made of flat sheet material, in particular tinned copper sheet, by punching and has two U-shaped receiving recesses 20 for each spring clamp element 6, wherein each receiving recess has a base portion 22 and two substantially perpendicular has oriented side portions 24. In the region of each base section 22, a rivet projection 26 is formed, the free end of which has a chamfer 28.
  • two spring contacts 30 are formed by narrowing and widening punch-outs, each of which serves to receive a jaw finger to be inserted in the direction of the arrow 29 (FIG.
  • each spring clamp element 6 in two parts made of a spring steel existing spring leg 8 and a substantially U-shaped contact leg 10 is formed, which are connected by rivets 9 in the region of a subsection 8a, 10a.
  • the contact leg 10 is provided in the region of a contacting surface 10b with corrugations 31, which serve on the one hand an improved contact and on the other hand a better mechanical retention of an inserted conductor.
  • the contact leg 10 further has a slot-shaped opening 32 for attachment to a rivet or clamping projection 26 of the busbar.
  • Two forked Lugs 34 overlap on both sides a projection 36 of the busbar 4 in order to prevent a transverse movement of the contact leg 10.
  • the spring clamping element is supported on the one hand with the spring leg 8 and on the other hand with the contact leg 10 against the side portions 24 of the bus bar 4 and thus, even if the spring leg 8 generates a relatively large spring force in the area the contact leg 10 must absorb any bending stress, since the spring force is completely absorbed by the busbar.
  • the contact rail 10 therefore needs to be designed only with regard to the currents occurring, but not with regard to spring forces, resulting in a significant material savings.
  • a further advantage is that the width of the terminal ( Figure 3) in the direction of assembly 2 with the width b ( Figure 4) of the spring clamp element, i. of contact leg 10 and spring leg 8 matches, which in turn is a consequence of the structural design that does not require any bent reinforcing areas on spring or contact legs.
  • the rivet or clamping projections 26 can be deformed after attaching the spring clamp elements, so that the spring clamp elements are firmly and permanently connected to the busbar.
  • a connection by soldering or welding is possible.
  • FIG. 1 to 7 Another advantage of the terminal according to the invention shown in FIG. 1 to 7 is that Brückertagenen can be produced in the simplest way by one piece with the busbar spring contacts 30 are punched, which serve to accommodate comb-like Brückerfinger, which in turn are extremely inexpensive to produce.
  • FIGS. 15 and 16 show a bridge 160 with a web 161, from which five bridging fingers 162 depart, in a manner known per se.
  • FIG 8 and 9 illustrate a variant of a bus bar 4 'according to the invention, which serves with a protective conductor connection 38 for latching onto a protective conductor rail 40, while the bus bar 4' otherwise corresponds to the conductor rail 4.
  • FIGS. 10 to 14 show a further embodiment of a terminal according to the invention, wherein Fig. 10 and 11 in side and perspective view, corresponding to FIGS. 1 and 2, a terminal 101 with an insulating plastic housing 103, a busbar 104 and spring clamp elements 106 show.
  • a terminal 101 with an insulating plastic housing 103, a busbar 104 and spring clamp elements 106 show.
  • FIGS. 1 and 2 With respect to use and function of the terminal 101, reference is made to the relevant explanations to FIGS. 1 and 2.
  • the busbar 104 of the terminal 101 of FIG. 13 is strip-shaped made of a flat sheet material, in particular of a tin-plated copper alloy whose width, in contrast to the embodiment of FIG. 1 to 9 substantially coincides with the width / thickness b of the spring clamping elements 6, as Fig. 14 shows.
  • Fig. 12 shows a spring clamping element 106 in an enlarged view, it being recognized that a central portion of the Federerklemmelements with spring leg 108 corresponds to the spring clamp element 6 of the first embodiment, while the spring clamp element 106 is additionally provided with Abstweilan arrangementsn 150, with which it relative to the busbar 104th is supported.
  • Free ends 150a of the support sections 150 have cutouts 152 so that the support extensions can be resiliently inserted into corresponding openings 154 of the busbar 104.
  • the free ends 150a can be riveted or deformed in the region of the punched-out portions 152 after insertion into the openings 154, with a non-detachable connection being produced.
  • a soldering or welding connection is alternatively or additionally possible.
  • the bus bar 104 also has bridge openings 156 for receiving bridge fingers.
  • the material of the spring clip element 106 (more specifically, the contact leg 110) including the support sections 150 can be made of a relatively thin material whose cross-section depends on the expected current strength, while the mechanical rigidity of the spring clip is maintained by the support against the bus bar 104.
  • the terminal has a minimum width b in the mounting direction, since all components are formed of flat material extending in the width direction, without transversely bent, the mechanical stiffening serving areas are required, the width of the terminal by the amount of material thickness d (Fig. 12) would increase.
  • FIGS. 17 to 21 illustrate another embodiment of a terminal according to the invention in the form of a terminal 201 with a busbar 204 and spring clamp elements 206, reference being made to the explanations to FIGS. 1 to 9 with respect to use and function of the terminal 201.
  • the busbar 204 of the terminal 201 is not completely flat, but has two perpendicular to an extension plane of the busbar angled regions 270 are formed by the contact surfaces 271, the contacting of a between these and a spring leg 208 of the spring clamping element 206 inserted conductor serve.
  • the function of the Federerklemmelements 206 thus corresponds to that of the Federerklemmelements 6 of the first embodiment, with the difference that the spring clamp member 206 is integrally formed in the form of a U- or C-shaped spring and does not require a separate contact leg, since it is formed by the power machine 204 As further shown in FIGS.
  • a stop 218, corresponding to the stop 18 of the first embodiment, is integrally formed with the bus bar 204 of sheet metal, resulting in further advantages both in terms of manufacture and function.
  • a one-piece production is cheaper, and on the other hand is possible because the stop is not made of plastic, but of metal, possibly a significant increase in the spring constant (spring hardness) of Ferderklemmelements 206 possible, since the spring leg 208 with increasing deflection in the direction of the stop 218 increasingly applies to the curved stop surface, so that a shortening of the effective length of the leg and thus a stronger spring action results.
  • Figures 19 to 21 illustrate the design and manufacture of the bus bar 204, which is made from a single stamped sheet metal blank ( Figure 21) by a few simple bending operations.
  • a protective conductor terminal 238 can be provided without much extra effort.
  • a decisive advantage is that the width of the terminal or terminal (dimension in Anreichcardi 2) is not greater than the width b of the flat or spring element, so that a maximum spring force with minimum width of the terminal is reached.
EP03018895A 2002-08-28 2003-08-20 Borne de raccordement Expired - Lifetime EP1403968B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10239367 2002-08-28
DE10239367 2002-08-28
DE10253861 2002-11-19
DE10253861 2002-11-19

Publications (3)

Publication Number Publication Date
EP1403968A2 true EP1403968A2 (fr) 2004-03-31
EP1403968A3 EP1403968A3 (fr) 2006-06-14
EP1403968B1 EP1403968B1 (fr) 2012-01-18

Family

ID=31716610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03018895A Expired - Lifetime EP1403968B1 (fr) 2002-08-28 2003-08-20 Borne de raccordement

Country Status (4)

Country Link
US (1) US6911602B2 (fr)
EP (1) EP1403968B1 (fr)
AT (2) ATE545177T1 (fr)
DE (1) DE10315668B4 (fr)

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DE102004062850B3 (de) * 2004-12-27 2006-06-14 Siemens Ag Anschlussvorrichtung
CN102326298B (zh) * 2009-01-06 2014-07-16 凤凰接触股份有限及两合公司 用于导引电路通过壁体的电气连接端子
DE202014102270U1 (de) * 2014-05-14 2015-05-18 Conrad Stanztechnik Gmbh Anschlussvorrichtung zum Anschließen eines abisolierten elektrischen Leiters und elektrische Anschlussklemme
US9905943B2 (en) 2013-09-16 2018-02-27 Weidmüller Interface GmbH & Co. KG Clamping cage for an edge connector
DE102019111847A1 (de) * 2019-05-07 2020-11-12 Valeo Schalter Und Sensoren Gmbh Weiblicher Einpress-Steckverbinder, Verfahren zur Herstellung eines solchen Steckverbinders, Einpress-Steckverbinder-System und Baugruppe mit einem solchen Einpress-Steckverbinder

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DE102005043878A1 (de) * 2005-09-14 2007-03-22 Wöhner GmbH & Co. KG Elektrotechnische Systeme Stromschienenanschlussmodul
US7090530B1 (en) * 2005-09-22 2006-08-15 Dibble Howard A Quick connect electrical box
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US7285006B1 (en) * 2006-10-12 2007-10-23 Tyco Electronics Corporation Spring-clamp style contact for PCB to terminate solar panel tabbing
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DE102007024690B4 (de) * 2007-05-25 2009-06-04 Phoenix Contact Gmbh & Co. Kg Elektrische Anschluß- oder Verbindungsklemme
DE102007035016A1 (de) * 2007-07-26 2009-01-29 Abb Ag Schraubanschlussklemme und Verfahren zu deren Herstellung
DE102008028462A1 (de) * 2008-06-14 2009-12-17 Kostal Industrie Elektrik Gmbh Elektrische Anschluss- und Verbindungsdose für ein Solarzellenmodul
US7785134B2 (en) * 2008-12-30 2010-08-31 General Electric Company Contact terminal for conductors
DE202010018149U1 (de) 2010-03-01 2014-05-13 Phoenix Contact Gmbh & Co. Kg Anschlussklemmenanordnung
DE102010012820B4 (de) * 2010-03-25 2012-08-23 Wago Verwaltungsgesellschaft Mbh Leitereinführungsstecker
CN107069274B (zh) * 2010-05-07 2020-08-18 安费诺有限公司 高性能线缆连接器
DE202010014149U1 (de) * 2010-10-09 2012-01-10 Woertz Ag Elektrische Verbindungsklemme
US9130285B2 (en) 2012-09-05 2015-09-08 Hubbell Incorporated Push wire connector having a spring biasing member
FR3026238B1 (fr) * 2014-09-23 2016-10-21 Abb France Partie de barre conductrice pour un appareil electrique
US9624951B2 (en) * 2015-04-30 2017-04-18 Dinkle Enterprise Co., Ltd. Connection terminal structure
CN105180115B (zh) * 2015-08-10 2018-05-01 漳州立达信光电子科技有限公司 Led灯的电连接件
CN105180116A (zh) * 2015-08-11 2015-12-23 漳州立达信光电子科技有限公司 电连接件
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DE102015119247A1 (de) 2015-11-09 2017-05-11 Wago Verwaltungsgesellschaft Mbh Verbindungsklemme
US9806437B2 (en) 2016-03-02 2017-10-31 Hubbell Incorporated Push wire connectors
US9941605B2 (en) 2016-03-02 2018-04-10 Hubbell Incorporated Wire connectors with binding terminals
TWM550924U (zh) * 2017-05-26 2017-10-21 Switchlab Inc 用於電聯接端子之金屬彈片結構
PL3425739T3 (pl) 2017-07-07 2020-11-02 Morsettitalia S.P.A. Zespół dla listew zaciskowych tablicy rozdzielczej zawierający element przewodowy i środki sprężynujące do jednokierunkowego utrzymywania przewodów elektrycznych
CN208782091U (zh) * 2018-05-15 2019-04-23 泰科电子(上海)有限公司 连接器
WO2020010095A1 (fr) 2018-07-06 2020-01-09 Hubbell Incorporated Connecteur de fiche électrique et dispositif de câblage doté d'éléments de clavetage
DE202018004780U1 (de) * 2018-10-16 2020-01-21 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Schutzleiterklemme
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DE202019102309U1 (de) * 2019-04-24 2020-07-29 Conta-Clip Verbindungstechnik Gmbh Transformatorklemme
BE1028111B1 (de) 2020-03-02 2021-09-27 Phoenix Contact Gmbh & Co Verbindungsvorrichtung sowie Baugruppe und elektronisches Gerät

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Publication number Priority date Publication date Assignee Title
DE102004062850B3 (de) * 2004-12-27 2006-06-14 Siemens Ag Anschlussvorrichtung
CN102326298B (zh) * 2009-01-06 2014-07-16 凤凰接触股份有限及两合公司 用于导引电路通过壁体的电气连接端子
US9905943B2 (en) 2013-09-16 2018-02-27 Weidmüller Interface GmbH & Co. KG Clamping cage for an edge connector
EP3047540B1 (fr) 2013-09-16 2018-07-11 Weidmüller Interface GmbH & Co. KG Cage de serrage pour bloc de jonction à insertion directe
DE202014102270U1 (de) * 2014-05-14 2015-05-18 Conrad Stanztechnik Gmbh Anschlussvorrichtung zum Anschließen eines abisolierten elektrischen Leiters und elektrische Anschlussklemme
DE102019111847A1 (de) * 2019-05-07 2020-11-12 Valeo Schalter Und Sensoren Gmbh Weiblicher Einpress-Steckverbinder, Verfahren zur Herstellung eines solchen Steckverbinders, Einpress-Steckverbinder-System und Baugruppe mit einem solchen Einpress-Steckverbinder

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US6911602B2 (en) 2005-06-28
ATE542267T1 (de) 2012-02-15
EP1403968A3 (fr) 2006-06-14
DE10315668A1 (de) 2004-03-11
EP1403968B1 (fr) 2012-01-18
ATE545177T1 (de) 2012-02-15
US20050029003A1 (en) 2005-02-10
DE10315668B4 (de) 2007-06-06

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