EP2001086B1 - Screwless connecting terminal - Google Patents

Screwless connecting terminal Download PDF

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Publication number
EP2001086B1
EP2001086B1 EP07405165A EP07405165A EP2001086B1 EP 2001086 B1 EP2001086 B1 EP 2001086B1 EP 07405165 A EP07405165 A EP 07405165A EP 07405165 A EP07405165 A EP 07405165A EP 2001086 B1 EP2001086 B1 EP 2001086B1
Authority
EP
European Patent Office
Prior art keywords
connecting terminal
busbar
operating element
housing
bearing
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.)
Revoked
Application number
EP07405165A
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German (de)
French (fr)
Other versions
EP2001086A1 (en
Inventor
Reto Peterhans
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.)
Landis and Gyr AG
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Landis and Gyr AG
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38626892&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2001086(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE502007003404T priority Critical patent/DE502007003404D1/en
Priority to SI200730277T priority patent/SI2001086T1/en
Priority to AT07405165T priority patent/ATE463862T1/en
Priority to PL07405165T priority patent/PL2001086T3/en
Priority to EP07405165A priority patent/EP2001086B1/en
Application filed by Landis and Gyr AG filed Critical Landis and Gyr AG
Priority to PCT/CH2008/000228 priority patent/WO2008148231A1/en
Publication of EP2001086A1 publication Critical patent/EP2001086A1/en
Publication of EP2001086B1 publication Critical patent/EP2001086B1/en
Application granted granted Critical
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R4/48185—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
    • 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
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring

Definitions

  • the present invention relates to the field of electrical connection technology. It relates to a screwless terminal according to the preamble of claim 1.
  • Screwless terminals which work with spring clamps in the manner of a cage tension spring, are known in various embodiments from the prior art. Differences arise mainly in the way in which the cage tension spring is actuated, i. is moved against the spring tension of the clamping position in the open position. This can either be done directly with a tool such as a screwdriver, or via various types of built-in actuators.
  • a spring clamp with a cage tension spring in which for actuating the spring in the housing, an actuating element in the form of a rocker arm is provided, which is mounted freely in a chamber of the housing. Difficulties arise here in particular during assembly and by the insufficient fixation of the actuating element.
  • the DE-A-196 11 762 discloses a screwless terminal with an insulating housing in which a clamping spring is mounted.
  • An actuator is also mounted in the housing and has two positions. In a first position, the cable to be connected is clamped and in a second position, the cable can be inserted or pulled out.
  • the actuating element is mounted in the housing about a pivot axis and it is pivoted upon actuation about the pivot axis. On the actuating element means for applying a tool are provided.
  • the Actuator is integrally formed and made of plastic.
  • the means for applying a tool comprise a radially extending hole.
  • the actuating element is pivotally mounted in the housing about a pivot axis and is pivoted in its actuation about the pivot axis, and a busbar with a bearing arc formed on it forms part of a pivot bearing, in which the actuating element is pivotable about the pivot axis is stored.
  • An embodiment of the inventive terminal is characterized in that the actuating element is integrally formed and consists of an insulating material: This results in a simple construction at the same time a good mechanical stability and a safe electrical separation between the tool and clamping spring.
  • the means for applying the tool comprise an engaging hole extending in the radial direction into the interior of the actuating element.
  • the engagement hole for receiving the blade of a screwdriver is formed.
  • An embodiment of the invention is characterized in that the terminal has a passing in the insertion direction through the housing busbar, which lies with their broad sides parallel to the pivot axis, that the clamping spring is mounted on a wide side of the busbar such that they are in the clamping first Position presses the head of a cable connected to the opposite broad side against the busbar, and that the busbar forms a part of a pivot bearing with a bearing arc formed on her, in which the actuating element (21) about the pivot axis (33) is pivotally mounted.
  • the fact that the mechanically stable busbar forms part of the pivot bearing has the consequence that the forces occurring in the bearing during the actuation of the clamping spring can be safely absorbed and introduced into the housing without difficulty.
  • a cylindrical axis is formed on the actuating element to simplify the construction, wherein the actuating element with the axis in a housing formed on the, approximately semi-cylindrical bearing shell, and the bearing shell forms the pivot bearing together with the bearing arc of the busbar.
  • a passage opening is provided on the actuating element for forming the cylindrical axis through which the busbar extends with its bearing arc.
  • Fig. 1 and 2 is shown in a sectional view and in a perspective side view of an embodiment of a screwless terminal according to the invention.
  • the terminal 10 is housed in a rectangular housing 11, which consists of an insulating material and consists of two half-shells, of which only one is shown in the housing 11, a plurality of recesses 12, .., 16 are provided, in which a in the longitudinal direction through the housing extending, stable busbar 17, designed as a cage tension spring clamping spring 25 and a pivotally mounted actuating element 21 are housed.
  • One of the recesses, namely the recess 15, serves as an insertion opening for a cable to be connected (31 in FIG Fig. 4 ).
  • the terminal 10 includes a complete housing 11 in total only five items (2 housing halves, the busbar, the cage clamp and the actuator), so that there is a very simple and easy to mount device.
  • the busbar 17 is largely fixed by the slot-shaped horizontal recesses 12 and 14 in the vertical direction. Between the two narrow recesses 12 and 14, it passes through a larger recess 13, in which the actuating element 21 and the cage tension spring or clamping spring 25 are arranged behind and arranged one above the other at the same time.
  • the actuating element 21 extends in the longitudinal direction of a pivot bearing 18, 34 to the highest part of the clamping spring 25, where it rests on the clamping spring 25, the pivot bearing 18, 34 is formed by a lower semi-cylindrical bearing shell 34 which is formed in the housing 11, and from an upper semicircular bearing arch 18 formed in the bus bar 17.
  • the busbar 17 thus forms with its bearing bow 18, the upper end of the Pivot bearing.
  • the clamping spring 25 is arranged in a following on the bearing sheet 18 horizontal contact portion 19 on the upper broad side of the busbar 17 so that the busbar passes through the clamping opening 26 of the clamping spring 25 After passing through the clamping opening 26, the busbar 17 is in a stage after above bent end portion 20 above, which allows the unimpeded insertion of the cable into the underlying insertion opening 15 For clamping the following on the clamping opening 26 end portion 27 of the clamping spring 25, which dips into the underlying recess 16 upon actuation of the clamping spring 25.
  • an engagement hole 22 extending in the radial direction into the interior of the actuating element 21 is provided, which is designed to receive the blade 30 of a screwdriver 29 ( Fig. 3 . 4 ).
  • the engagement hole 22 extends substantially perpendicular to the insertion direction 35 of the terminal 10 into the interior of the actuating element 21 into it. Is according to Fig. 3 a screwdriver 29 is inserted with its blade 30 into the engagement hole 22 and then pivoted to the right ( Fig. 3 -> Fig.

Abstract

The screwless connector clamp (10) has a clamping spring (25) arranged in an insulating housing (11). The clamping spring is designed as a cage tension spring and is moving against a spring tension of the clamping spring by a manually activated activation element (21) also arranged in the housing from a position, in which a cable to be connected is held in a clamped fashion, to another position. A conductor rail (17) with an articulated support sheet (18) forms a part of a bearing (34), in which the activation element is stored rotating around a rotation axis (33).

Description

FELD DER ERFINDUNGFIELD OF THE INVENTION

Die vorliegende Erfindung bezieht sich auf das Gebiet der elektrischen Anschlusstechnik. Sie betrifft eine schraubenlose Anschlussklemme gemäss dem Oberbegriff des Anspruchs 1.The present invention relates to the field of electrical connection technology. It relates to a screwless terminal according to the preamble of claim 1.

HINTERGRUND DER ERFINDUNGBACKGROUND OF THE INVENTION

Schraubenlose Anschlussklemmen, die mit Klemmfedern nach Art einer Käfigzugfeder arbeiten, sind in vielfältiger Ausgestaltung aus dem Stand der Technik bekannt. Unterschiede ergeben sich dabei vor allem in der Art und Weise, wie die Käfigzugfeder betätigt, d.h. gegen die Federspannung von der Klemmstellung in die offene Stellung bewegt wird. Dies kann entweder direkt mit einem Werkzeug wie z.B. einem Schraubendreher, oder über verschiedene Arten von eingebauten Betätigungselementen erfolgen.Screwless terminals, which work with spring clamps in the manner of a cage tension spring, are known in various embodiments from the prior art. Differences arise mainly in the way in which the cage tension spring is actuated, i. is moved against the spring tension of the clamping position in the open position. This can either be done directly with a tool such as a screwdriver, or via various types of built-in actuators.

Aus der DE-T2-694 15 091 ist eine Federklemmverbinder mit einer Käfigzugfeder bekannt, bei welchem zum Betätigen der Feder in dem Gehäuse ein Betätigungselement in Form eines Kipphebels vorgesehen ist, der frei in einer Kammer des Gehäuses gelagert ist. Schwierigkeiten ergeben sich hier insbesondere bei der Montage und durch die ungenügende Fixierung des Betätigungselements.From the DE-T2-694 15 091 a spring clamp with a cage tension spring is known, in which for actuating the spring in the housing, an actuating element in the form of a rocker arm is provided, which is mounted freely in a chamber of the housing. Difficulties arise here in particular during assembly and by the insufficient fixation of the actuating element.

Aus der DE-C2-196 41 206 ist eine Anschlussklemme für elektrische Leiter bekannt, bei der die Käfigzugfeder durch einen in Einsteckrichtung in einen Schubkanal einsteckbaren Schraubendreher direkt betätigt wird. Geführt wird die Klingenspitze des Schraubendrehers dabei durch einen am Isolierstoffgehäuse angeformten Isolierstoff-Führungslappen. Durch das Einstecken des Schraubendrehers in Einsteckrichtung wird - insbesondere.bei grossen Federkräften - eine erhebliche Kraft auf die dahinter liegende Montageschiene ausgeübt, die meist unerwünscht ist. Eine vergleichbare Lösung ist aus der DE-A1-196 29 565 und der DE-A1-44 13 151 bekannt.From the DE-C2-196 41 206 is known a terminal for electrical conductors, in which the cage clamp is directly actuated by a plug-in direction in a push channel screwdriver. The blade tip of the screwdriver is guided by a molded on the insulating material insulating guide tabs. By inserting the screwdriver in the insertion is - in particular.bei large Spring forces - a significant force exerted on the underlying mounting rail, which is usually undesirable. A comparable solution is from the DE-A1-196 29 565 and the DE-A1-44 13 151 known.

Aus der DE-U1-298 07 956 ist eine Anschlussklemme mit einem Kniehebelmechanismus zur Betätigung der Käfigzugfeder bekannt. Eine solche Konfiguration soll grössere Herstellungstoleranzen erlauben und auch im Langzeitbetrieb zuverlässig funktionieren, hat jedoch den Nachteil, dass sie vergleichsweise kompliziert aufgebaut und entsprechend aufwändig herzustellen und schwierig zu montieren ist.From the DE-U1-298 07 956 is a terminal with a toggle mechanism for actuating the cage tension known. Such a configuration should allow greater manufacturing tolerances and function reliably even in long-term operation, but has the disadvantage that it is relatively complicated to construct and correspondingly complex to produce and difficult to assemble.

Aus der DE-C2-30 44 134 ist eine schraubenlose Klemme bekannt, bei der die Käfigzugfeder durch einen verschiebbaren Keil oder durch einen verdrehbar gelagerten Stössel betätigt wird. Auch in diesem Fall sind Herstellung und Montage mit erheblichem Aufwand verbunden.From the DE-C2-3044134 a screwless clamp is known in which the cage tension spring is actuated by a sliding wedge or by a rotatably mounted plunger. Also in this case, production and assembly are associated with considerable effort.

Aus der DE-A1-37 28 316 ist schliesslich eine Lampenfassung für eine explosions- oder schlagwettergeschützte Lampe bekannt, bei der Käfigzugfedern durch die Sekantenfläche eines Zapfens betätigt werden, der mittels eines Hebels verschieb- und verschwenkbar ist. Auch hier sind ein sehr aufwändiger Aufbau und eine komplizierte Montage gegeben.From the DE-A1-37 28 316 Finally, a lamp holder for an explosion- or flame-proof lamp is known in which cage tension springs are actuated by the secant surface of a pin, which can be displaced and pivoted by means of a lever. Again, a very complex structure and a complicated assembly are given.

Die DE-A-196 11 762 offenbart eine schraubenlose Anschlussklemme mit einem isolierenden Gehäuse, in dem eine Klemmfeder gelagert ist. Ein Betätigungselement ist ebenfalls in dem Gehäuse gelagert und weist zwei Stellungen auf. In einer ersten Stellung wird das anzuschliessende Kabel klemmend gehalten und in einer zweiten Stellung ist das Kabel einsteckbar oder herausziehbar. Das Betätigungselement ist in dem Gehäuse um eine Schwenkachse gelagert und es wird bei Betätigung um die Schwenkachse verschwenkt. An dem Betätigungselement sind Mittel zum Ansetzen eines Werkzeugs vorgesehen. Das Betätigungselement ist einstückig ausgebildet und besteht aus Kunststoff. Die Mittel zum Ansetzen eines Werkzeugs umfassen ein sich in radialer Richtung erstreckendes Loch.The DE-A-196 11 762 discloses a screwless terminal with an insulating housing in which a clamping spring is mounted. An actuator is also mounted in the housing and has two positions. In a first position, the cable to be connected is clamped and in a second position, the cable can be inserted or pulled out. The actuating element is mounted in the housing about a pivot axis and it is pivoted upon actuation about the pivot axis. On the actuating element means for applying a tool are provided. The Actuator is integrally formed and made of plastic. The means for applying a tool comprise a radially extending hole.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Es ist daher Aufgabe der Erfindung, eine schraubenlose Anschlussklemme zu schaffen, welche die Nachteile bekannter Anschlussklemmen vermeidet und sich insbesondere durch einen vereinfachten Aufbau, eine einfache Montage, eine geringe Anzahl von Teilen und eine Krafteinleitung beim Betätigen der Klemmfeder auszeichnet, welche die Belastung angrenzender Vorrichtungen durch die Betätigungskräfte gering hält.It is therefore an object of the invention to provide a screwless terminal, which avoids the disadvantages of known terminals and is characterized in particular by a simplified structure, a simple assembly, a small number of parts and a force on actuation of the clamping spring, which the load of adjacent devices keeps low by the operating forces.

Die Aufgabe wird durch die Gesamtheit der Merkmale des Anspruchs 1 gelöst. Für die Erfindung wesentlich ist, dass das Betätigungselement im Gehäuse um eine Schwenkachse schwenkbar gelagert ist und bei seiner Betätigung um die Schwenkachse verschwenkt wird, und eine Stromschiene mit einem an ihr ausgebildeten Lagerbogen einen Teil eines Schwenklagers bildet, in welchem das Betätigungselement um die Schwenkachse schwenkbar gelagert ist.The object is solved by the entirety of the features of claim 1. It is essential for the invention that the actuating element is pivotally mounted in the housing about a pivot axis and is pivoted in its actuation about the pivot axis, and a busbar with a bearing arc formed on it forms part of a pivot bearing, in which the actuating element is pivotable about the pivot axis is stored.

Eine Ausgestaltung der erfindungsgemässen Anschlussklemme zeichnet sich dadurch aus, dass das Betätigungselement einstückig ausgebildet ist und aus einem Isolierstoff besteht: Hierdurch ergibt sich bei gleichzeitig einfachem Aufbau eine gute mechanische Stabilität und eine sichere elektrische Trennung zwischen Werkzeug und Klemmfeder.An embodiment of the inventive terminal is characterized in that the actuating element is integrally formed and consists of an insulating material: This results in a simple construction at the same time a good mechanical stability and a safe electrical separation between the tool and clamping spring.

Gemäss einer anderen Ausgestaltung der Erfindung umfassen die Mittel zum Ansetzen des Werkzeugs ein sich in radialer Richtung in das Innere des Betätigungselements hinein erstreckendes Eingriffsloch. Dadurch werden Aufbau und Montage weiter vereinfacht und insgesamt ein besonders kompakter Aufbau erreicht.According to another embodiment of the invention, the means for applying the tool comprise an engaging hole extending in the radial direction into the interior of the actuating element. As a result, construction and assembly are further simplified and achieved overall a particularly compact design.

Vorzugsweise ist das Eingriffsloch zur Aufnahme der Klinge eines Schraubendrehers ausgebildet.Preferably, the engagement hole for receiving the blade of a screwdriver is formed.

Besonders günstige geometrische Verhältnisse ergeben sich, wenn sich gemäss einer Weiterbildung das Eingriffsloch im Wesentlichen senkrecht zur Einsteckrichtung in das Innere des Betätigungselements hinein erstreckt.Particularly favorable geometric conditions arise when, according to a development, the engagement hole extends substantially perpendicular to the insertion direction into the interior of the actuating element.

Eine Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die Anschlussklemme eine in Einsteckrichtung durch das Gehäuse hindurchgehende Stromschiene aufweist, welche mit ihren breiten Seiten parallel zur Schwenkachse liegt, dass die Klemmfeder auf einer breiten Seite der Stromschiene derart befestigt ist, dass sie in der klemmenden ersten Stellung den Leiter eines angeschlossenen Kabels auf der gegenüberliegenden breiten Seite gegen die Stromschiene presst, und dass die Stromschiene mit einem an ihr ausgebildeten Lagerbogen einen Teil eines Schwenklagers bildet, in welchem das Betätigungselement (21) um die Schwenkachse (33) schwenkbar gelagert ist. Dass die mechanisch stabile Stromschiene einen Teil des Schwenklagers bildet, hat zur Folge, das die bei der Betätigung der Klemmfeder im Lager auftretenden Kräfte sicher aufgefangen und problemlos in das Gehäuse eingeleitet werden können.An embodiment of the invention is characterized in that the terminal has a passing in the insertion direction through the housing busbar, which lies with their broad sides parallel to the pivot axis, that the clamping spring is mounted on a wide side of the busbar such that they are in the clamping first Position presses the head of a cable connected to the opposite broad side against the busbar, and that the busbar forms a part of a pivot bearing with a bearing arc formed on her, in which the actuating element (21) about the pivot axis (33) is pivotally mounted. The fact that the mechanically stable busbar forms part of the pivot bearing has the consequence that the forces occurring in the bearing during the actuation of the clamping spring can be safely absorbed and introduced into the housing without difficulty.

Bevorzugt ist zur Vereinfachung der Konstruktion am Betätigungselement eine zylinderförmige Achse ausgebildet, wobei das Betätigungselement mit der Achse in einer am Gehäuse ausgeformten, in etwa halbzylindrischen Lagerschale liegt, und die Lagerschale zusammen mit dem Lagerbogen der Stromschiene das Schwenklager bildet.Preferably, a cylindrical axis is formed on the actuating element to simplify the construction, wherein the actuating element with the axis in a housing formed on the, approximately semi-cylindrical bearing shell, and the bearing shell forms the pivot bearing together with the bearing arc of the busbar.

Insbesondere ist am Betätigungselement zur Ausbildung der zylinderförmigen Achse eine Durchgangsöffnung vorgesehen, durch welche hindurch sich die Stromschiene mit ihrem Lagerbogen erstreckt.In particular, a passage opening is provided on the actuating element for forming the cylindrical axis through which the busbar extends with its bearing arc.

KURZBESCHREIBUNG DER FIGURENBRIEF DESCRIPTION OF THE FIGURES

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen

Fig.1 1
in der Schnittansicht ein Ausführungsbeispiel der Erfindung, wobei nur eine Halbschale des Gehäuses gezeigt ist;
Fig. 2
die perspektivische Seitenansicht des Ausführungsbeispiels aus Fig. 1;
Fig. 3
die Klemmstellung der Vorrichtung aus Fig. 1 in der zum Betätigen ein Schraubendreher mit seiner Klinge angesetzt ist; und
Fig.4
die durch Verkippen des Schraubendrehers aus Fig. 3 erreichte Stellung der Vorrichtung, in der ein Kabel eingesteckt oder herausgezogen werden kann.
The invention will be explained in more detail with reference to embodiments in conjunction with the drawings. Show it
Fig.1 1
in the sectional view of an embodiment of the invention, wherein only a half-shell of the housing is shown;
Fig. 2
the perspective side view of the embodiment Fig. 1 ;
Fig. 3
the clamping position of the device Fig. 1 in which a screwdriver with its blade is attached for operating; and
Figure 4
by tilting the screwdriver off Fig. 3 reached position of the device in which a cable can be inserted or pulled out.

DETAILLIERTE BESCHREIBUNG BEVORZUGTER AUSFÜHRUNGSFORMENDETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

In Fig. 1 und 2 ist in einer Schnittansicht und in einer perspektivischen Seitenansicht ein Ausführungsbeispiel einer schraubenlosen Anschlussklemme nach der Erfindung wiedergegeben. Die Anschlussklemme 10 ist in einem rechteckigen Gehäuse 11 untergebracht, das aus einem Isolierstoff besteht und sich aus zwei Halbschalen zusammensetzt, von denen nur eine gezeigt ist In dem Gehäuse 11 ist eine Mehrzahl von Ausnehmungen 12,..,16 vorgesehen, in denen eine sich in Längsrichtung durch das Gehäuse erstreckende, stabile Stromschiene 17, eine als Käfigzugfeder ausgebildete Klemmfeder 25 und ein schwenkbar gelagertes Betätigungselement 21 untergebracht sind. Eine der Ausnehmungen, nämlich die Ausnehmung 15, dient als Einführöffnung für ein anzuschliessendes Kabel (31 in Fig. 4). Die Anschlussklemme 10 umfasst bei komplettem Gehäuse 11 insgesamt nur fünf Einzelteile (2 Gehäusehälften, die Stromschiene, die Käfigzugfeder und das Betätigungselement), so dass sich eine sehr einfache und leicht zu montierende Vorrichtung ergibt.In Fig. 1 and 2 is shown in a sectional view and in a perspective side view of an embodiment of a screwless terminal according to the invention. The terminal 10 is housed in a rectangular housing 11, which consists of an insulating material and consists of two half-shells, of which only one is shown in the housing 11, a plurality of recesses 12, .., 16 are provided, in which a in the longitudinal direction through the housing extending, stable busbar 17, designed as a cage tension spring clamping spring 25 and a pivotally mounted actuating element 21 are housed. One of the recesses, namely the recess 15, serves as an insertion opening for a cable to be connected (31 in FIG Fig. 4 ). The terminal 10 includes a complete housing 11 in total only five items (2 housing halves, the busbar, the cage clamp and the actuator), so that there is a very simple and easy to mount device.

Die Stromschiene 17 wird durch die schlitzförmigen horizontalen Ausnehmungen 12 und 14 in vertikaler Richtung weitgehend fixiert. Zwischen den beiden schmalen Ausnehmungen 12 und 14 verläuft sie durch eine grössere Ausnehmung 13, in der zugleich das Betätigungselement 21 und die Käfigzugfeder bzw. Klemmfeder 25 hinter- und übereinander angeordnet untergebracht sind. Das Betätigungselement 21 erstreckt sich in Längsrichtung von einem Schwenklager 18, 34 bis zum höchsten Teil der Klemmfeder 25, wo es auf der Klemmfeder 25 aufliegt Das Schwenklager 18, 34 wird gebildet von einer unteren halbzylindrischen Lagerschale 34, die im Gehäuse 11 eingeformt ist, und von einem oberen halbkreisförmigen Lagerbogen 18, der in der Stromschiene 17 ausgebildet ist. Die Stromschiene 17 bildet so mit ihrem Lagerbogen 18 den oberen Abschluss des Schwenklagers. Im Schwenklager um eine quer zur Einsteckrichtung (35 in Fig. 4) orientierte, horizontale Schwenkachse 33 verschwenkbar gelagert ist das Betätigungselement 21 mit einer zylinderförmigen Achse 24, die am einstückigen Betätigungselement 21 aufgrund einer entsprechenden Durchgangsöffnung 23 ausgebildet ist Durch die Durchgangsöffnung 23 ist die Stromschiene 17 mit dem Lagerbogen 18 durchgeführt und hält das Betätigungselement 21 im Schwenklager. Wenn das Betätigungselement 21 beim Betätigen der Klemmfeder 25 mit seinem (in Fig. 1 nach rechts) ausladenden Arm von oben auf die Klemmfeder 17 drückt, um sie zum Einstecken eines Kabels zu öffnen (Fig. 4), drückt die Achse 24 des Betätigungselements 21 mit einer Gegenkraft nach oben gegen des Lagerbogen 18 des Schwenklagers, Die stabile Stromschiene 17 kann diese Kraft dann ohne Probleme in das Gehäuse 11 einleiten, wo sie sicher aufgenommen wird.The busbar 17 is largely fixed by the slot-shaped horizontal recesses 12 and 14 in the vertical direction. Between the two narrow recesses 12 and 14, it passes through a larger recess 13, in which the actuating element 21 and the cage tension spring or clamping spring 25 are arranged behind and arranged one above the other at the same time. The actuating element 21 extends in the longitudinal direction of a pivot bearing 18, 34 to the highest part of the clamping spring 25, where it rests on the clamping spring 25, the pivot bearing 18, 34 is formed by a lower semi-cylindrical bearing shell 34 which is formed in the housing 11, and from an upper semicircular bearing arch 18 formed in the bus bar 17. The busbar 17 thus forms with its bearing bow 18, the upper end of the Pivot bearing. In the pivot bearing about a transverse to the insertion direction (35 in Fig. 4 ), horizontal pivot axis 33 is pivotally mounted, the actuating element 21 with a cylindrical axis 24 which is formed on the one-piece actuator 21 due to a corresponding passage opening 23 through the through hole 23, the bus bar 17 is performed with the bearing sheet 18 and holds the actuator 21 in the pivot bearing , When the actuator 21 upon actuation of the clamping spring 25 with his (in Fig. 1 right) cantilever arm from above on the clamping spring 17 presses to open for insertion of a cable ( Fig. 4 ), The axis 24 of the actuating element 21 presses with a counterforce up against the bearing bow 18 of the pivot bearing, The stable busbar 17 can then initiate this force without problems in the housing 11, where it is safely absorbed.

Die Klemmfeder 25 ist in einem auf den Lagerbogen 18 folgenden horizontalen Kontaktabschnitt 19 auf der oberen breiten Seite der Stromschiene 17 so angeordnet, dass die Stromschiene durch die Klemmöffnung 26 der Klemmfeder 25 hindurchreicht Nach dem Durchqueren der Klemmöffnung 26 geht die Stromschiene 17 in einen stufig nach oben gebogenen Endabschnitt 20 über, der das ungehinderte Einstecken des Kabels in die darunter liegende Einstecköffnung 15 ermöglicht Zur Klemmung dient der auf die Klemmöffnung 26 folgende Endabschnitt 27 der Klemmfeder 25, der beim Betätigen der Klemmfeder 25 in die darunter liegende Ausnehmung 16 eintaucht.The clamping spring 25 is arranged in a following on the bearing sheet 18 horizontal contact portion 19 on the upper broad side of the busbar 17 so that the busbar passes through the clamping opening 26 of the clamping spring 25 After passing through the clamping opening 26, the busbar 17 is in a stage after above bent end portion 20 above, which allows the unimpeded insertion of the cable into the underlying insertion opening 15 For clamping the following on the clamping opening 26 end portion 27 of the clamping spring 25, which dips into the underlying recess 16 upon actuation of the clamping spring 25.

Im Betätigungselement 21 ist von aussen zugänglich ein sich in radialer Richtung in das Innere des Betätigungselements 21 hinein erstreckendes Eingriffsloch 22 vorgesehen, das zur Aufnahme der Klinge 30 eines Schraubendrehers 29 ausgebildet ist (Fig. 3, 4). Das Eingriffsloch 22 erstreckt sich im Wesentlichen senkrecht zur Einsteckrichtung 35 der Anschlussklemme 10 in das Innere des Betätigungselements 21 hinein. Wird gemäss Fig. 3 ein Schraubendreher 29 mit seiner Klinge 30 in das Eingriffsloch 22 gesteckt und dann nach rechts verschwenkt (Fig. 3 -> Fig. 4), verschwenkt das Betätigungselement 21 im Uhrzeigersinn um die Schwenkachse 33 und drückt die Klemmfeder nach unten, bis die Klemmöffnung 26 auf der Unterseite der Stromschiene 17 frei zum Einstecken des Leiters 32 eines Kabels 31 ist (Fig. 4). Wird der Schraubendreher zurückgeschwenkt, beklemmt die Klemmfeder 25 mittels ihrer Federkraft den Leiter 32 und presst ihn kontaktierend gegen die untere breite Seite der Stromschiene 17. Zum Lösen des Kabels 31 kann die Klemmfeder 25 auf dieselbe Weise wieder geöffnet werden, um den eingeklemmten Leiter 32 frei zu geben. Die durch den Schraubendreher 29 in die Anschlussklemme 10 eingebrachten Kräfte werden dabei massgeblich von der stabilen Stromschiene 17 aufgenommen und so in das Gehäuse 11 eingeleitet, dass die Belastungen für ausserhalb der Anschlussklemme 10 befindliche Teile und Vorrichtungen oder Apparate gering sind.In the actuating element 21, an engagement hole 22 extending in the radial direction into the interior of the actuating element 21 is provided, which is designed to receive the blade 30 of a screwdriver 29 ( Fig. 3 . 4 ). The engagement hole 22 extends substantially perpendicular to the insertion direction 35 of the terminal 10 into the interior of the actuating element 21 into it. Is according to Fig. 3 a screwdriver 29 is inserted with its blade 30 into the engagement hole 22 and then pivoted to the right ( Fig. 3 -> Fig. 4 ), pivots the actuator 21 in Clockwise about the pivot axis 33 and pushes the clamping spring down until the clamping opening 26 on the underside of the bus bar 17 is free for insertion of the conductor 32 of a cable 31 ( Fig. 4 ). When the screwdriver is swiveled back, the clamping spring 25 clamps the conductor 32 by means of its spring force and presses it against the lower broad side of the busbar 17 to release the cable 31. The clamping spring 25 can be reopened in the same way to release the clamped conductor 32 to give. The introduced by the screwdriver 29 in the terminal 10 forces are thereby significantly taken up by the stable busbar 17 and introduced into the housing 11, that the burden on outside of the terminal 10 located parts and devices or apparatus are low.

Insgesamt ergibt sich mit der Erfindung eine einfach aufgebaute und leicht zu montierende Anschlussklemme, die mit wenigen Einzelteilen auskommt und bei Betätigung nur geringe mechanische Belastungen auf die Umgebung ausübtOverall, with the invention results in a simple design and easy to mount terminal that requires only a few parts and exerts only minor mechanical stress on the environment when operating

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Anschlussklemme (schraubenlos)Connection terminal (screwless)
1111
Gehäusecasing
12,..,1612, .., 16
Ausnehmungrecess
1717
Stromschieneconductor rail
1818
Lagerbogenbearing arc
1919
Kontaktabschnitt (Stromschiene)Contact section (busbar)
2020
Endabschnittend
2121
Betätigungselement (schwenkbar)Actuator (swiveling)
2222
Eingriffslochengaging hole
2323
DurchgangsöffnungThrough opening
2424
Achseaxis
2525
Klemmfederclamping spring
2626
Klemmöffnungterminal opening
2727
Endabschnitt (Klemmfeder)End section (clamping spring)
2828
Basisabschnittbase section
2929
Schraubendreherscrewdriver
3030
Klingeblade
3131
Kabelelectric wire
3232
Leiterladder
3333
Schwenkachseswivel axis
3434
Lagerschalebearing shell
3535
Einsteckrichtunginsertion

Claims (9)

  1. Screwless connecting terminal (10) having a clamping spring (25) which is mounted in an insulating housing (11) and is in the form of a cage tension spring and can be moved from a first position, in which a cable (31) to be connected is held in a clamping manner, to a second position, in which the cable (31) can be inserted into the connecting terminal (10) or can be removed from the connecting terminal (10), against a spring stress of the clamping spring (25), by means of an operating element (21) which can be operated manually and is likewise mounted in the housing (11), wherein the operating element (21) is mounted in the housing (11) such that it can pivot about a pivoting axis (33) and, when it is operated, is pivoted about the pivoting axis (33), wherein the connecting terminal (10) has a busbar (17) whose broad faces are located parallel to the pivoting axis (33), and the clamping spring (25) is arranged on one broad face of the busbar (17) such that, in the clamping first position, it presses the conductor (32) of the connecting cable (31) on the opposite broad face against the busbar (17), characterized in that the busbar (17) together with a bearing curve (18) formed on it forms a part of a pivoting bearing (18, 34) in which the operating element (21) is mounted such that it can pivot about the pivoting axis (33).
  2. Screwless connecting terminal according to claim 1, characterized in that means (22) are provided on the operating element (21) for attaching a tool (29, 30) which is suitable for operation.
  3. Screwless connecting terminal according to claim 2, characterized in that the means for attaching the tool comprise an engagement hole (22) which extends in the radial direction into the interior of the operating element (21).
  4. Screwless connecting terminal according to claim 3, characterized in that the engagement hole (22) is designed to hold the blade (30) of a screwdriver (29).
  5. Screwless connecting terminal according to claim 3 or 4, characterized in that the engagement hole (22) extends essentially at right angles to the insertion direction (35) into the interior of the operating element (21).
  6. Screwless connecting terminal according to one of claims 1 to 5, characterized in that the operating element (21) is formed integrally and is composed of an insulating material.
  7. Screwless connecting terminal according to one of claims 1 to 6, characterized in that the busbar (17) of the connecting terminal (10) is in the form of a busbar (17) which passes through the housing (11) in the insertion direction of the conductor (32).
  8. Screwless connecting terminal according to one of claims 1 to 7, characterized in that a cylindrical shaft (24) is arranged on the operating element (21), in that the operating element (21) is located with the shaft (24) in an approximately half-cylindrical bearing shell (34) which is formed on the housing (11), and in that the bearing shell (34) together with the bearing curve (18) of the busbar (17) forms the pivoting bearing (18, 34).
  9. Screwless connecting terminal according to claim 7, characterized in that a through-opening (23), through which the busbar (17) with its bearing curve (18) extends, is provided on the operating element (21), for the arrangement of the cylindrical shaft (24).
EP07405165A 2007-06-08 2007-06-08 Screwless connecting terminal Revoked EP2001086B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SI200730277T SI2001086T1 (en) 2007-06-08 2007-06-08 Screwless connecting terminal
AT07405165T ATE463862T1 (en) 2007-06-08 2007-06-08 SCREWLESS CONNECTION TERMINAL
PL07405165T PL2001086T3 (en) 2007-06-08 2007-06-08 Screwless connecting terminal
EP07405165A EP2001086B1 (en) 2007-06-08 2007-06-08 Screwless connecting terminal
DE502007003404T DE502007003404D1 (en) 2007-06-08 2007-06-08 Screwless connection terminal
PCT/CH2008/000228 WO2008148231A1 (en) 2007-06-08 2008-05-21 Screwless connector clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07405165A EP2001086B1 (en) 2007-06-08 2007-06-08 Screwless connecting terminal

Publications (2)

Publication Number Publication Date
EP2001086A1 EP2001086A1 (en) 2008-12-10
EP2001086B1 true EP2001086B1 (en) 2010-04-07

Family

ID=38626892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07405165A Revoked EP2001086B1 (en) 2007-06-08 2007-06-08 Screwless connecting terminal

Country Status (6)

Country Link
EP (1) EP2001086B1 (en)
AT (1) ATE463862T1 (en)
DE (1) DE502007003404D1 (en)
PL (1) PL2001086T3 (en)
SI (1) SI2001086T1 (en)
WO (1) WO2008148231A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110759A1 (en) 2012-11-09 2014-05-15 Wago Verwaltungsgesellschaft Mbh Spring terminal connection and electrical device hereby

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008052626B4 (en) * 2008-10-22 2014-12-31 Wago Verwaltungsgesellschaft Mbh terminal
DE102008060283B4 (en) * 2008-12-03 2011-08-25 Tyco Electronics AMP GmbH, 64625 Tool-free operable connection clamping device with several clamping arms for several electrical conductors
DE102008060282B4 (en) * 2008-12-03 2018-12-06 Te Connectivity Germany Gmbh Tool-free actuated spring clip for electrical conductors
FR2974678B1 (en) * 2011-04-29 2013-10-11 Auxel SPRING CONNECTION TERMINAL
DE102014119421B4 (en) * 2014-12-22 2017-02-02 Wago Verwaltungsgesellschaft Mbh Connection terminal and method for mounting a connection terminal
CN104577423B (en) * 2015-01-10 2017-01-25 江门市创艺电器有限公司 Plug-in type wiring terminal connector
PL232589B1 (en) * 2017-06-26 2019-06-28 Apator Spolka Akcyjna Terminal box, preferably of a power meter
DE102019117301A1 (en) * 2019-06-27 2020-12-31 Phoenix Contact Gmbh & Co. Kg Terminal
CN211182572U (en) * 2019-12-10 2020-08-04 江门市创艺电器有限公司 Binding post's shell structure

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DE3044134C2 (en) 1980-11-24 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Screwless clamp
DE3728316A1 (en) 1987-08-25 1989-03-09 Ceag Licht & Strom EXPLOSION OR FLASH-PROTECTED LAMP
GB9311559D0 (en) 1993-06-04 1993-07-21 Amp Gmbh Spring clamp actuator
DE4413151A1 (en) 1994-04-15 1995-10-19 Abb Patent Gmbh Terminal wire clamp for use in switches
DE19611762A1 (en) 1996-03-26 1997-10-02 Metz Albert Ria Electronic Connector clamp esp. for circuit boards
DE19629565A1 (en) 1996-07-15 1998-01-22 Wago Verwaltungs Gmbh Electrical conductor terminal connector with screw-driver operation
DE19641206C2 (en) 1996-09-25 1999-12-23 Wago Verwaltungs Gmbh Terminal for electrical conductors
DE19753076C1 (en) * 1997-11-29 1999-08-19 Lumberg Karl Gmbh & Co Electrical connector, esp. series connector
DE29807956U1 (en) 1998-05-04 1999-07-08 Weco Wester Terminal with knee lever operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110759A1 (en) 2012-11-09 2014-05-15 Wago Verwaltungsgesellschaft Mbh Spring terminal connection and electrical device hereby
DE102012110759B4 (en) * 2012-11-09 2021-04-01 Wago Verwaltungsgesellschaft Mbh Spring clamp connection and electrical device herewith

Also Published As

Publication number Publication date
EP2001086A1 (en) 2008-12-10
DE502007003404D1 (en) 2010-05-20
PL2001086T3 (en) 2010-09-30
WO2008148231A1 (en) 2008-12-11
ATE463862T1 (en) 2010-04-15
SI2001086T1 (en) 2010-08-31

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