EP3036797B1 - Actuating element and connecting terminal - Google Patents

Actuating element and connecting terminal Download PDF

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Publication number
EP3036797B1
EP3036797B1 EP14756020.5A EP14756020A EP3036797B1 EP 3036797 B1 EP3036797 B1 EP 3036797B1 EP 14756020 A EP14756020 A EP 14756020A EP 3036797 B1 EP3036797 B1 EP 3036797B1
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EP
European Patent Office
Prior art keywords
cover
actuating
housing
operating
clamping spring
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EP14756020.5A
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German (de)
French (fr)
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EP3036797A1 (en
Inventor
Volker JARMUTH
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.)
Phoenix Contact GmbH and Co KG
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Phoenix Contact GmbH and Co KG
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Publication of EP3036797A1 publication Critical patent/EP3036797A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • 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
    • H01R9/2408—Modular blocks

Definitions

  • the invention relates to an actuating element for actuating a clamping spring of a terminal. Furthermore, the invention relates to a connection terminal for connecting an electrical conductor, which has an actuating element for actuating a clamping spring.
  • Terminals also called electrical terminals, usually have a housing, a bus bar arranged in the housing and a clamping spring mounted in the housing. In the housing usually a conductor insertion opening is formed, via which a conductor can be inserted into the housing in order to be clamped in the housing by means of the clamping spring against the busbar can.
  • an actuating element is usually provided by means of which the clamping spring can be actuated by pressing the protruding into the interior of the housing actuating element on the clamping leg of the clamping spring, so that the clamping leg is pivoted and thereby a conductor connection space within the housing between the busbar and the clamping spring can be released, in which the conductor can then be freely inserted. If the conductor is positioned in the desired connection position in the conductor connecting space, the actuating element can release the clamping leg again, so that the clamping leg can swing back until it presses against the conductor and thus clamps the conductor against the busbar. Terminals of this type are in the document JP 09073927 A disclosed.
  • the invention is therefore based on the object to provide an actuating element and a terminal available, by means of which when connecting especially thin conductor mismatching of the conductor can be avoided.
  • the object is achieved according to the invention with an actuating element for actuating a clamping spring, the actuating element having an actuating finger which has an actuating surface with which the actuating finger presses on clamping leg of the clamping spring when the clamping spring is actuated, characterized in that the actuating element comprises a covering element, which forms an extension of the actuating finger in the longitudinal extension of the actuating finger, wherein the cover is laterally formed on the actuating finger.
  • the object is achieved according to the invention with a terminal for connecting an electrical conductor, wherein the terminal has a housing, a clamping spring and an actuating element according to the invention, wherein the integrally formed on the actuating finger of the actuating element covering at least partially arranged in a formed between the clamping leg of the clamping spring and a portion of the housing gap.
  • the actuating element according to the invention also called terminal operating element, is characterized in that the actuating element in addition to the actuating finger has a cover which is integrally formed on the end of the actuating finger, with which the actuating finger presses on the clamping leg of the clamping spring to actuate this.
  • the cover is laterally and thus formed transversely to the actuating surface of the actuating finger, with which the actuating finger presses on the clamping leg of the clamping spring, on the actuating finger.
  • the cover element forms an extension of the actuating finger in the longitudinal extension of the actuating finger and thus overlaps the end of the actuating finger with which the actuating finger presses on the clamping leg of the clamping spring. Due to the overlapping and the lateral shaping of the cover, the cover can be guided laterally past the clamping spring, in particular the clamping leg of the clamping spring. Within a terminal, the cover element can thereby at least with a portion of the cover in a between the clamping leg of the clamping spring and a portion of the housing, in particular a housing cover of the housing, the terminal immerse the formed gap and close or seal this gap.
  • the cover is preferably plate-shaped, wherein the plate-shaped cover preferably has a thickness which corresponds to the width of the gap between the clamping leg of the clamping spring and a portion of the housing of the terminal substantially. Due to the plate-shaped design of the cover this requires a small space within the terminal, so that the dimensions of the terminal are preferably not affected by the cover.
  • the cover is preferably integrally formed on the actuating finger.
  • the actuating finger and the cover are then preferably made of a plastic formed so that the actuating finger and the cover and thus the entire actuator can be produced in a process step in an injection molding process.
  • the cover is integrally formed on a lower end of the actuating finger.
  • the cover member thus preferably does not extend over the entire length of the actuating finger, but covers only a portion of the actuating finger, at the lower, free end of the actuating finger, on which also the actuating surface of the actuating finger is formed. As a result, the amount of material required for the production of the cover element can be reduced.
  • the cover element preferably has an edge surface which extends transversely to the two opposite side surfaces and which is directed in the direction of the conductor connection space, the cover element preferably having an edge surface delimiting on a conductor connection space of the connection terminal Housing wall is applied. Due to the fact that an edge surface of the cover element bears flat against a housing wall of the housing, the sealing of the gap can be further improved. During a movement of the actuating element, the cover element can be guided with its edge surface along the housing wall forming the conductor connecting space, so that an additional, tilt-proof guidance of the actuating element can be formed as a result.
  • actuating element 1 is shown in different views, wherein the actuating element 1 has an actuating finger 2 and arranged on the actuating finger 2 cover 3.
  • the actuating finger 2 is elongate and has at its upper end 4 an engagement surface 5 for a tool, such as a screwdriver, on, by means of which the actuating element 1 can be moved within the terminal.
  • the actuating finger 2 has a substantially square cross-sectional area. In the direction of the upper end 4 opposite lower end 6 of the actuating finger 2, the actuating finger 2 tapers, so that the cross-sectional area of the actuating finger 2 is reduced in the direction of the lower end 6.
  • the cover 3 On a side surface 10 of the actuating finger 2, which is formed transversely to the actuating surface 7 of the actuating finger 2, the cover 3 is formed. In the embodiment shown here, the cover 3 is integrally formed on the actuating finger 2.
  • the cover 3 is plate-shaped and surmounted the lower end 6 of the actuating finger 2, so that the cover 3 in the longitudinal extension of the actuating finger 2 forms an extension of the actuating finger 2, as in particular in Fig. 3 is recognizable.
  • the plate-shaped cover 3 extends transversely to the actuating surface 7 and thus transversely to the width of the actuating finger. 2
  • such a cover 3 is arranged only on a side surface 10 of the actuating finger 2. But it is also possible that a cover member 3 is arranged on two opposite side surfaces 10, 11 of the actuating finger 2, so that in the terminal of the clamping leg 9 of the clamping spring 8 is overlapped on two opposite lateral sides of a cover 3.
  • Fig. 4 shows the arrangement of a like in Fig. 1-3 shown actuating element 1 in a terminal, wherein the in Fig. 4 Terminal shown has two terminal portions 12, 13, each having a clamping spring 8, an actuator 1 and a bus bar 14.
  • the terminal has a housing 15, which is open on one side and can be closed by means of a housing cover, not shown here, wherein the housing cover is part of the housing 15 and thus forms an area of the housing 15.
  • In the housing 15 is per connection area 12, 13 a
  • Conductor insertion opening 16 is arranged, via which in each case a conductor, not shown here, can be inserted into the terminal.
  • a conductor connection space within which the inserted conductor can be clamped by means of the clamping leg 9 of the clamping spring 8 against the busbar 14 at.
  • the conductor connection space is at the in Fig. 4 shown embodiment of a housing wall 17 of the housing 15 is limited on one side, wherein the housing wall 17 laterally offset from the clamping leg 9 of the clamping spring 8 and the busbar 14 is arranged.
  • the cover 3 has an edge surface 18, with which the cover 3 rests flat against the housing wall 17, wherein during a movement of the actuating element 1, the cover 3 can be performed with its edge surface 18 along a side facing in the direction of clamping spring 8 side surface 19 of the housing wall 17 ,
  • the actuating element 1 is shown in different positions. In the connection region 12 shown on the left, the actuating element 1 is in a non-actuated starting position. If now a conductor, in particular a thin conductor with a small cross-sectional area, are inserted and clamped in the conductor connection space, the actuating element 1, as can be seen in the connection region 13 shown on the right, is moved downwards, so that the actuating finger 2 strikes the clamping leg 9 of the clamping spring 8 presses and thus wegverschwenkt this of the busbar 14 down to release the conductor connection space, so that the conductor in the Lead terminal space can be introduced.
  • the cover 3 overlaps a thickness of the clamping leg 9 forming transverse side surface 20 of the clamping leg 9 by the cover 3 projects beyond this transverse side surface 20 of time.
  • the cover 3 is at least partially disposed in a formed between the clamping leg 9 and the housing cover of the housing 15 gap such that this gap is sealed by the cover 3 and thus a passing of the Conductor can be prevented laterally of the clamping leg 9 during insertion into the conductor connection space.
  • the cover element 3 rests with a first side surface 21 on the housing cover of the housing 15 and with a second side surface 22 opposite the first side surface 21 on the transverse side surface 20 of the clamping leg 9, wherein preferably the clamping leg 9 with its lateral side surface 20 on the second side surface 22nd the cover 3 presses and thus the cover 3 is pressed with its first side surface 21 against the housing cover of the housing 15, so that a particularly high sealing effect is achieved.

Description

Die Erfindung betrifft ein Betätigungselement zum Betätigen einer Klemmfeder einer Anschlussklemme. Ferner betrifft die Erfindung eine Anschlussklemme zum Anschließen eines elektrischen Leiters, welche ein Betätigungselement zum Betätigen einer Klemmfeder aufweist.
Anschlussklemmen, auch elektrische Anschlussklemmen genannt, weisen meist ein Gehäuse, eine in dem Gehäuse angeordnete Stromschiene und eine in dem Gehäuse gelagerte Klemmfeder auf. In dem Gehäuse ist üblicherweise eine Leitereinführungsöffnung ausgebildet, über welche ein Leiter in das Gehäuse eingeführt werden kann, um in dem Gehäuse mittels der Klemmfeder gegen die Stromschiene geklemmt werden zu können. Sollen dünnen Leiter, d. h. Leiter mit einem kleinen Querschnitt, geklemmt werden, ist meist ein Betätigungselement vorgesehen, mittels welchem die Klemmfeder betätigt werden kann, indem das in den Innenraum des Gehäuses hineinragende Betätigungselement auf den Klemmschenkel der Klemmfeder drückt, so dass der Klemmschenkel verschwenkt wird und dadurch ein Leiteranschlussraum innerhalb des Gehäuses zwischen der Stromschiene und der Klemmfeder freigegeben werden kann, in welchen der Leiter dann ungehindert eingeführt werden kann. Ist der Leiter in dem Leiteranschlussraum in der gewünschten Position positioniert, kann das Betätigungselement den Klemmschenkel wieder freigeben, so dass der Klemmschenkel zurückschwenken kann bis er gegen den Leiter drückt und damit den Leiter gegen die Stromschiene klemmt. Anschlussklemmen dieser Art werden im Dokument JP 09073927 A offenbart.The invention relates to an actuating element for actuating a clamping spring of a terminal. Furthermore, the invention relates to a connection terminal for connecting an electrical conductor, which has an actuating element for actuating a clamping spring.
Terminals, also called electrical terminals, usually have a housing, a bus bar arranged in the housing and a clamping spring mounted in the housing. In the housing usually a conductor insertion opening is formed, via which a conductor can be inserted into the housing in order to be clamped in the housing by means of the clamping spring against the busbar can. If thin conductors, ie conductors with a small cross-section, are clamped, an actuating element is usually provided by means of which the clamping spring can be actuated by pressing the protruding into the interior of the housing actuating element on the clamping leg of the clamping spring, so that the clamping leg is pivoted and thereby a conductor connection space within the housing between the busbar and the clamping spring can be released, in which the conductor can then be freely inserted. If the conductor is positioned in the desired connection position in the conductor connecting space, the actuating element can release the clamping leg again, so that the clamping leg can swing back until it presses against the conductor and thus clamps the conductor against the busbar. Terminals of this type are in the document JP 09073927 A disclosed.

Beim Einführen des zu klemmenden Leiters in den Leiteranschlussraum kann es jedoch leicht zu einem Fehlstecken des Leiters kommen, wenn der dünne Leiter seitlich an der Klemmfeder vorbeigeführt wird und damit nicht mehr in dem Leiteranschlussraum zwischen der Klemmfeder und der Stromschiene liegt. Eine Klemmung des Leiters und damit eine Ausbildung einer elektrischen Kontaktierung ist dann nur eingeschränkt oder gar nicht möglich.When inserting the conductor to be clamped in the conductor connection space, however, it can easily lead to incorrect insertion of the conductor when the thin conductor is guided past the clamping spring and thus is no longer in the conductor connection space between the clamping spring and the busbar. A clamping of the conductor and thus a formation of an electrical contact is then limited or not possible.

Der Erfindung liegt daher die Aufgabe zu Grunde, ein Betätigungselement und eine Anschlussklemme zur Verfügung zu stellen, mittels welchen beim Anschluss insbesondere dünner Leiter ein Fehlstecken des Leiters vermieden werden kann.
Die Lösung der Aufgabe erfolgt erfindungsgemäß mit einem Betätigungselement zum Betätigen einer Klemmfeder, wobei das Betätigungselement einen Betätigungsfinger, welcher eine Betätigungsfläche aufweist, mit welcher der Betätigungsfinger beim Betätigen der Klemmfeder auf einen Klemmschenkel der Klemmfeder drückt, dadurch gekennzeichnet, dass das Betätigungselement ein Abdeckelement umfasst, welches in Längserstreckung des Betätigungsfinger eine Verlängerung des Betätigungsfingers ausbildet, wobei das Abdeckelement seitlich an dem Betätigungsfinger angeformt ist.
Ferner erfolgt die Lösung der Aufgabe erfindungsgemäß mit einer Anschlussklemme zum Anschließen eines elektrischen Leiters, wobei die Anschlussklemme ein Gehäuse, eine Klemmfeder und ein erfindungsgemäßes Betätigungselement aufweist, wobei das an dem Betätigungsfinger des Betätigungselements angeformte Abdeckelement zumindest bereichsweise in einem zwischen dem Klemmschenkel der Klemmfeder und einem Bereich des Gehäuses ausgebildeten Spalt angeordnet ist.The invention is therefore based on the object to provide an actuating element and a terminal available, by means of which when connecting especially thin conductor mismatching of the conductor can be avoided.
The object is achieved according to the invention with an actuating element for actuating a clamping spring, the actuating element having an actuating finger which has an actuating surface with which the actuating finger presses on clamping leg of the clamping spring when the clamping spring is actuated, characterized in that the actuating element comprises a covering element, which forms an extension of the actuating finger in the longitudinal extension of the actuating finger, wherein the cover is laterally formed on the actuating finger.
Furthermore, the object is achieved according to the invention with a terminal for connecting an electrical conductor, wherein the terminal has a housing, a clamping spring and an actuating element according to the invention, wherein the integrally formed on the actuating finger of the actuating element covering at least partially arranged in a formed between the clamping leg of the clamping spring and a portion of the housing gap.

Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments and advantageous developments of the invention are specified in the dependent claims.

Das erfindungsgemäße Betätigungselement, auch Anschlussklemmenbetätigungselement genannt, zeichnet sich dadurch aus, dass das Betätigungselement zusätzlich zu dem Betätigungsfinger ein Abdeckelement aufweist, welches an dem Ende des Betätigungsfinger angeformt ist, mit welchem der Betätigungsfinger auf den Klemmschenkel der Klemmfeder drückt, um diesen zu betätigen. Das Abdeckelement ist seitlich und damit quer zur Betätigungsfläche des Betätigungsfingers, mit welcher der Betätigungsfinger auf den Klemmschenkel der Klemmfeder drückt, an dem Betätigungsfinger angeformt. Durch das Abdeckelement wird somit die Breite des Betätigungselements, dort wo das Abdeckelement angeordnet ist, erhöht. Das Abdeckelement bildet in Längserstreckung des Betätigungsfingers eine Verlängerung des Betätigungsfingers aus und überlappt damit das Ende des Betätigungsfingers, mit welchem der Betätigungsfinger auf den Klemmschenkel der Klemmfeder drückt. Durch das Überlappen und der seitlichen Anformung des Abdeckelements kann das Abdeckelement seitlich an der Klemmfeder, insbesondere dem Klemmschenkel der Klemmfeder, vorbeigeführt werden. Innerhalb einer Anschlussklemme kann dadurch das Abdeckelement zumindest mit einem Bereich des Abdeckelements in einen zwischen dem Klemmschenkel der Klemmfeder und einem Bereich des Gehäuses, insbesondere einem Gehäusedeckel des Gehäuses, der Anschlussklemme ausgebildeten Spalt eintauchen und diesen Spalt damit schließen bzw. abdichten. Dadurch, dass der Spalt zwischen dem Klemmschenkel der Klemmfeder und einem Bereich des Gehäuses der Anschlussklemme nunmehr mittels des Abdeckelements geschlossen ist, insbesondere wenn der Klemmschenkel der Klemmfeder mit dem Betätigungsfinger des Betätigungselements betätigt wird, kann verhindert werden, dass beim Einführen eines Leiters, insbesondere eines dünnen Leiters, in den Leiteranschlussraum der Anschlussklemme der Leiter seitlich an dem Klemmschenkel der Klemmfeder vorbeigeführt wird, wodurch keine Klemmung bzw. Kontaktierung mehr ausgebildet werden könnte. Ein derartiges Fehlstecken eines Leiters in eine Anschlussklemme kann damit mit dem erfindungsgemäßen Betätigungselement sicher vermieden werden.The actuating element according to the invention, also called terminal operating element, is characterized in that the actuating element in addition to the actuating finger has a cover which is integrally formed on the end of the actuating finger, with which the actuating finger presses on the clamping leg of the clamping spring to actuate this. The cover is laterally and thus formed transversely to the actuating surface of the actuating finger, with which the actuating finger presses on the clamping leg of the clamping spring, on the actuating finger. By the cover thus the width of the actuating element, where the cover is arranged, thus increased. The cover element forms an extension of the actuating finger in the longitudinal extension of the actuating finger and thus overlaps the end of the actuating finger with which the actuating finger presses on the clamping leg of the clamping spring. Due to the overlapping and the lateral shaping of the cover, the cover can be guided laterally past the clamping spring, in particular the clamping leg of the clamping spring. Within a terminal, the cover element can thereby at least with a portion of the cover in a between the clamping leg of the clamping spring and a portion of the housing, in particular a housing cover of the housing, the terminal immerse the formed gap and close or seal this gap. The fact that the gap between the clamping leg of the clamping spring and a portion of the housing of the terminal is now closed by means of the cover, in particular when the clamping leg of the clamping spring is actuated with the actuating finger of the actuating element, can be prevented when inserting a conductor, in particular a thin conductor, is guided laterally past the clamping leg of the clamping spring in the conductor connection space of the terminal of the conductor, whereby no clamping or contacting could be formed more. Such misfiring of a conductor in a terminal can thus be safely avoided with the actuator according to the invention.

Das Abdeckelement ist vorzugsweise plattenförmig ausgebildet, wobei das plattenförmige Abdeckelement vorzugsweise eine Dicke aufweist, welche der Breite des Spalts zwischen dem Klemmschenkel der Klemmfeder und einem Bereich des Gehäuses der Anschlussklemme im Wesentlichen entspricht. Durch die plattenförmige Ausbildung des Abdeckelements benötigt dieses einen geringen Bauraum innerhalb der Anschlussklemme, so dass die Abmaße der Anschlussklemme vorzugsweise nicht durch das Abdeckelement beeinflusst werden.The cover is preferably plate-shaped, wherein the plate-shaped cover preferably has a thickness which corresponds to the width of the gap between the clamping leg of the clamping spring and a portion of the housing of the terminal substantially. Due to the plate-shaped design of the cover this requires a small space within the terminal, so that the dimensions of the terminal are preferably not affected by the cover.

Um eine stabile und positionssichere Anordnung des Abdeckelements an dem Betätigungsfinger des Betätigungselements erreichen zu können, ist das Abdeckelement vorzugweise einstückig an dem Betätigungsfinger angeformt. Der Betätigungsfinger und das Abdeckelement sind dann vorzugsweise aus einem Kunststoff ausgebildet, so dass der Betätigungsfinger und das Abdeckelement und damit das gesamte Betätigungselement in einem Prozessschritt in einem Spritzgussverfahren hergestellt werden können.In order to achieve a stable and positionally secure arrangement of the cover on the actuating finger of the actuating element, the cover is preferably integrally formed on the actuating finger. The actuating finger and the cover are then preferably made of a plastic formed so that the actuating finger and the cover and thus the entire actuator can be produced in a process step in an injection molding process.

Weiter bevorzugt ist es vorgesehen, dass das Abdeckelement an einem unteren Ende des Betätigungsfingers angeformt ist. Das Abdeckelement erstreckt sich somit vorzugsweise nicht über die gesamte Länge des Betätigungsfingers, sondern überdeckt lediglich einen Teilbereich des Betätigungsfingers, an dem unteren, freien Ende des Betätigungsfingers, an welchem auch die Betätigungsfläche des Betätigungsfingers ausgebildet ist. Dadurch kann die für die Herstellung des Abdeckelements benötigte Menge an Material reduziert werden.More preferably, it is provided that the cover is integrally formed on a lower end of the actuating finger. The cover member thus preferably does not extend over the entire length of the actuating finger, but covers only a portion of the actuating finger, at the lower, free end of the actuating finger, on which also the actuating surface of the actuating finger is formed. As a result, the amount of material required for the production of the cover element can be reduced.

Um eine sichere Abdichtung des Spalts zwischen dem Klemmschenkel der Klemmfeder und einem Bereich des Gehäuses, insbesondere einem Gehäusedeckel des Gehäuses, zu erreichen, ist es bevorzugt vorgesehen, dass das Abdeckelement innerhalb des Spalts mit einer ersten Seitenfläche an einem Bereich des Gehäuses, insbesondere einem Gehäusedeckel des Gehäuses, anliegt und mit einer der ersten Seitenfläche gegenüberliegenden zweiten Seitenfläche an einer Querseitenfläche des Klemmschenkels der Klemmfeder anliegt.In order to achieve a secure sealing of the gap between the clamping leg of the clamping spring and a region of the housing, in particular a housing cover of the housing, it is preferably provided that the cover within the gap with a first side surface at a portion of the housing, in particular a housing cover of the housing, abuts and rests with a second side surface opposite the first side surface on a transverse side surface of the clamping leg of the clamping spring.

Das Abdeckelement weist vorzugsweise eine quer zu den beiden sich gegenüberliegenden Seitenflächen verlaufende Kantenfläche auf, welche in Richtung des Leiteranschlussraumes gerichtet ist, wobei das Abdeckelement mit einer Kantenfläche bevorzugt an einer den Leiteranschlussraum der Anschlussklemme begrenzenden Gehäusewand anliegt. Dadurch, dass auch eine Kantenfläche des Abdeckelements flächig an einer Gehäusewand des Gehäuses anliegt, kann die Abdichtung des Spalts weiter verbessert werden. Bei einer Bewegung des Betätigungselementes kann das Abdeckelement mit seiner Kantenfläche entlang der den Leiteranschlussraum ausbildenden Gehäusewand geführt werden, so dass hierdurch eine zusätzliche, verkippsichere Führung des Betätigungselementes ausgebildet werden kann.The cover element preferably has an edge surface which extends transversely to the two opposite side surfaces and which is directed in the direction of the conductor connection space, the cover element preferably having an edge surface delimiting on a conductor connection space of the connection terminal Housing wall is applied. Due to the fact that an edge surface of the cover element bears flat against a housing wall of the housing, the sealing of the gap can be further improved. During a movement of the actuating element, the cover element can be guided with its edge surface along the housing wall forming the conductor connecting space, so that an additional, tilt-proof guidance of the actuating element can be formed as a result.

Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegenden Zeichnungen anhand einer bevorzugten Ausführungsform näher erläutert.The invention will be explained in more detail below with reference to the accompanying drawings with reference to a preferred embodiment.

Es zeigen

Fig. 1
eine schematische Darstellung eines Betätigungselements gemäß der Erfindung in einer perspektivischen Ansicht,
Fig. 2
eine schematische Darstellung des in Fig. 1 gezeigten Betätigungselements in einer ersten Seitenansicht,
Fig. 3
eine schematische Darstellung des in Fig. 1 gezeigten Betätigungselements in einer zweiten Seitenansicht, und
Fig. 4
eine schematische Darstellung einer Anschlussklemme mit zwei gemäß Fig. 1 - 3 ausgebildeten Betätigungselementen angeordnet in verschiedenen Positionen.
Show it
Fig. 1
a schematic representation of an actuating element according to the invention in a perspective view,
Fig. 2
a schematic representation of the in Fig. 1 shown actuating element in a first side view,
Fig. 3
a schematic representation of the in Fig. 1 shown actuating element in a second side view, and
Fig. 4
a schematic representation of a terminal with two according to Fig. 1-3 trained actuators arranged in different positions.

In den Fig. 1 - 3 ist ein erfindungsgemäßes Betätigungselement 1 in verschiedenen Ansichten gezeigt, wobei das Betätigungselement 1 einen Betätigungsfinger 2 und ein an dem Betätigungsfinger 2 angeordnetes Abdeckelement 3 aufweist.In the Fig. 1-3 an inventive actuating element 1 is shown in different views, wherein the actuating element 1 has an actuating finger 2 and arranged on the actuating finger 2 cover 3.

Der Betätigungsfinger 2 ist länglich ausgebildet und weist an seinem oberen Ende 4 eine Eingriffsfläche 5 für ein Werkzeug, beispielsweise einen Schraubendreher, auf, mittels welchem das Betätigungselement 1 innerhalb der Anschlussklemme bewegt werden kann.The actuating finger 2 is elongate and has at its upper end 4 an engagement surface 5 for a tool, such as a screwdriver, on, by means of which the actuating element 1 can be moved within the terminal.

Am diesem oberen Ende 4 weist der Betätigungsfinger 2 eine im Wesentlichen quadratische Querschnittsfläche auf. In Richtung des dem oberen Ende 4 gegenüberliegenden unteren Endes 6 des Betätigungsfingers 2 verjüngt sich der Betätigungsfinger 2, so dass die Querschnittsfläche des Betätigungsfingers 2 in Richtung des unteren Endes 6 reduziert wird.At this upper end 4, the actuating finger 2 has a substantially square cross-sectional area. In the direction of the upper end 4 opposite lower end 6 of the actuating finger 2, the actuating finger 2 tapers, so that the cross-sectional area of the actuating finger 2 is reduced in the direction of the lower end 6.

In Richtung des unteren Endes 6 weist der Betätigungsfinger 2 eine Betätigungsfläche 7 auf, welche sich über die Breite des Betätigungsfingers 2 erstreckt und mit welcher der Betätigungsfinger 2 beim Betätigen einer Klemmfeder 8, wie sie in Fig. 4 gezeigt ist, auf einen Klemmschenkel 9 der Klemmfeder 8 drückt.In the direction of the lower end 6, the actuating finger 2 on an actuating surface 7, which extends over the width of the actuating finger 2 and with which the actuating finger 2 when operating a clamping spring 8, as shown in FIG Fig. 4 is shown pressing on a clamping leg 9 of the clamping spring 8.

An einer Seitenfläche 10 des Betätigungsfingers 2, welche quer zu der Betätigungsfläche 7 des Betätigungsfingers 2 ausgebildet ist, ist das Abdeckelement 3 angeformt. Bei der hier gezeigten Ausgestaltung ist das Abdeckelement 3 einstückig an dem Betätigungsfinger 2 angeformt. Das Abdeckelement 3 ist plattenförmig ausgebildet und überragt das untere Ende 6 des Betätigungsfingers 2, so dass das Abdeckelement 3 in Längserstreckung des Betätigungsfingers 2 eine Verlängerung des Betätigungsfingers 2 ausbildet, wie dies insbesondere auch in Fig. 3 erkennbar ist. Das plattenförmige Abdeckelement 3 erstreckt sich dabei quer zur Betätigungsfläche 7 und damit quer zur Breite des Betätigungsfingers 2.On a side surface 10 of the actuating finger 2, which is formed transversely to the actuating surface 7 of the actuating finger 2, the cover 3 is formed. In the embodiment shown here, the cover 3 is integrally formed on the actuating finger 2. The cover 3 is plate-shaped and surmounted the lower end 6 of the actuating finger 2, so that the cover 3 in the longitudinal extension of the actuating finger 2 forms an extension of the actuating finger 2, as in particular in Fig. 3 is recognizable. The plate-shaped cover 3 extends transversely to the actuating surface 7 and thus transversely to the width of the actuating finger. 2

Beim Betätigen des Klemmschenkels 9 der Klemmfeder 8 ist das Abdeckelement 3 seitlich an dem Klemmschenkel 9 vorbeigeführt und überlappt damit den Klemmschenkel 9, wie dies insbesondere auch in Fig. 4 erkennbar ist.When pressing the clamping leg 9 of the clamping spring 8, the cover 3 is guided laterally past the clamping leg 9 and thus overlaps the clamping leg 9, as in particular in Fig. 4 is recognizable.

Bei der hier gezeigten Ausgestaltung ist lediglich an einer Seitenfläche 10 des Betätigungsfingers 2 ein derartiges Abdeckelement 3 angeordnet. Es ist aber auch möglich, dass an zwei sich gegenüberliegenden Seitenflächen 10, 11 des Betätigungsfingers 2 jeweils ein Abdeckelement 3 angeordnet ist, so dass in der Anschlussklemme der Klemmschenkel 9 der Klemmfeder 8 an zwei sich gegenüberliegenden Querseitenflächen von einem Abdeckelement 3 überlappt wird.In the embodiment shown here, such a cover 3 is arranged only on a side surface 10 of the actuating finger 2. But it is also possible that a cover member 3 is arranged on two opposite side surfaces 10, 11 of the actuating finger 2, so that in the terminal of the clamping leg 9 of the clamping spring 8 is overlapped on two opposite lateral sides of a cover 3.

Fig. 4 zeigt die Anordnung eines wie in Fig. 1 - 3 gezeigten Betätigungselementes 1 in einer Anschlussklemme, wobei die in Fig. 4 gezeigte Anschlussklemme zwei Anschlussbereiche 12, 13 aufweist, welche jeweils eine Klemmfeder 8, ein Betätigungselement 1 und eine Stromschiene 14 aufweisen. Die Anschlussklemme weist ein Gehäuse 15 auf, welches einseitig geöffnet ist und mittels eines hier nicht gezeigten Gehäusedeckels verschlossen werden kann, wobei der Gehäusedeckel Teil des Gehäuses 15 ist und damit einen Bereich des Gehäuses 15 ausbildet. In dem Gehäuse 15 ist pro Anschlussbereich 12, 13 eine Fig. 4 shows the arrangement of a like in Fig. 1-3 shown actuating element 1 in a terminal, wherein the in Fig. 4 Terminal shown has two terminal portions 12, 13, each having a clamping spring 8, an actuator 1 and a bus bar 14. The terminal has a housing 15, which is open on one side and can be closed by means of a housing cover, not shown here, wherein the housing cover is part of the housing 15 and thus forms an area of the housing 15. In the housing 15 is per connection area 12, 13 a

Leitereinführungsöffnung 16 angeordnet, über welche jeweils ein Leiter, hier nicht gezeigt, in die Anschlussklemme eingeführt werden kann. An die Leitereinführungsöffnungen 16 schließt sich jeweils innerhalb der Anschlussklemme ein Leiteranschlussraum, innerhalb welchem der eingeführte Leiter mittels des Klemmschenkels 9 der Klemmfeder 8 gegen die Stromschiene 14 geklemmt werden kann, an. Der Leiteranschlussraum wird bei der in Fig. 4 gezeigten Ausgestaltung von einer Gehäusewand 17 des Gehäuses 15 einseitig begrenzt, wobei die Gehäusewand 17 seitlich versetzt zu dem Klemmschenkel 9 der Klemmfeder 8 und der Stromschiene 14 angeordnet ist.Conductor insertion opening 16 is arranged, via which in each case a conductor, not shown here, can be inserted into the terminal. At the conductor insertion openings 16 closes in each case within the terminal a conductor connection space, within which the inserted conductor can be clamped by means of the clamping leg 9 of the clamping spring 8 against the busbar 14 at. The conductor connection space is at the in Fig. 4 shown embodiment of a housing wall 17 of the housing 15 is limited on one side, wherein the housing wall 17 laterally offset from the clamping leg 9 of the clamping spring 8 and the busbar 14 is arranged.

Das Abdeckelement 3 weist eine Kantenfläche 18 auf, mit welcher das Abdeckelement 3 an der Gehäusewand 17 flächig anliegt, wobei bei einer Bewegung des Betätigungselements 1 das Abdeckelement 3 mit seiner Kantenfläche 18 entlang einer in Richtung Klemmfeder 8 gerichteten Seitenfläche 19 der Gehäusewand 17 geführt werden kann.The cover 3 has an edge surface 18, with which the cover 3 rests flat against the housing wall 17, wherein during a movement of the actuating element 1, the cover 3 can be performed with its edge surface 18 along a side facing in the direction of clamping spring 8 side surface 19 of the housing wall 17 ,

Bei den beiden Anschlussbereichen 12, 13 ist das Betätigungselement 1 in unterschiedlichen Positionen gezeigt. Bei dem links dargestellten Anschlussbereich 12 befindet sich das Betätigungselement 1 in einer nichtbetätigten Ausgangslage. Soll nun ein Leiter, insbesondere ein dünner Leiter mit einer geringen Querschnittsfläche, in den Leiteranschlussraum eingeführt und geklemmt werden, wird das Betätigungselement 1, wie bei dem rechts dargestellten Anschlussbereich 13 zu erkennen ist, nach unten bewegt, so dass der Betätigungsfinger 2 auf den Klemmschenkel 9 der Klemmfeder 8 drückt und damit diesen von der Stromschiene 14 nach unten wegverschwenkt, um den Leiteranschlussraum frei zu geben, damit der Leiter in den Leiteranschlussraum eingeführt werden kann. In beiden Positionen überlappt das Abdeckelement 3 eine die Dicke des Klemmschenkels 9 ausbildende Querseitenfläche 20 des Klemmschenkels 9, indem das Abdeckelement 3 über diese Querseitenfläche 20 hinweg ragt. Durch das Überlappen der Querseitenfläche 20 des Klemmschenkels 9 mittels des Abdeckelements 3 ist das Abdeckelement 3 zumindest bereichsweise in einem zwischen dem Klemmschenkel 9 und dem Gehäusedeckel des Gehäuses 15 ausgebildeten Spalt derart angeordnet, dass dieser Spalt durch das Abdeckelement 3 abgedichtet wird und damit ein Vorbeiführen des Leiters seitlich des Klemmschenkels 9 beim Einführen in den Leiteranschlussraum verhindert werden kann.In the two connection areas 12, 13, the actuating element 1 is shown in different positions. In the connection region 12 shown on the left, the actuating element 1 is in a non-actuated starting position. If now a conductor, in particular a thin conductor with a small cross-sectional area, are inserted and clamped in the conductor connection space, the actuating element 1, as can be seen in the connection region 13 shown on the right, is moved downwards, so that the actuating finger 2 strikes the clamping leg 9 of the clamping spring 8 presses and thus wegverschwenkt this of the busbar 14 down to release the conductor connection space, so that the conductor in the Lead terminal space can be introduced. In both positions, the cover 3 overlaps a thickness of the clamping leg 9 forming transverse side surface 20 of the clamping leg 9 by the cover 3 projects beyond this transverse side surface 20 of time. By overlapping the transverse side surface 20 of the clamping leg 9 by means of the cover 3, the cover 3 is at least partially disposed in a formed between the clamping leg 9 and the housing cover of the housing 15 gap such that this gap is sealed by the cover 3 and thus a passing of the Conductor can be prevented laterally of the clamping leg 9 during insertion into the conductor connection space.

Das Abdeckelement 3 liegt dabei mit einer ersten Seitenfläche 21 an dem Gehäusedeckel des Gehäuses 15 und mit einer der ersten Seitenfläche 21 gegenüberliegenden zweiten Seitenfläche 22 an der Querseitenfläche 20 des Klemmschenkels 9 an, wobei vorzugsweise der Klemmschenkel 9 mit seiner Querseitenfläche 20 auf die zweite Seitenfläche 22 des Abdeckelements 3 drückt und damit das Abdeckelement 3 mit seiner ersten Seitenfläche 21 gegen den Gehäusedeckel des Gehäuses 15 gedrückt wird, so dass eine besonders hohe Abdichtwirkung erreicht wird.The cover element 3 rests with a first side surface 21 on the housing cover of the housing 15 and with a second side surface 22 opposite the first side surface 21 on the transverse side surface 20 of the clamping leg 9, wherein preferably the clamping leg 9 with its lateral side surface 20 on the second side surface 22nd the cover 3 presses and thus the cover 3 is pressed with its first side surface 21 against the housing cover of the housing 15, so that a particularly high sealing effect is achieved.

Durch die zuvor beschriebene Ausgestaltung des Betätigungselementes 1 kann auch die Betätigungsfläche 7, mit welcher der Betätigungsfinger 2 an dem Klemmschenkel 9 anliegt, vergrößert werden. Bezugszeichenliste Betätigungselement 1 Betätigungsfinger 2 Abdeckelement 3 Oberes Ende 4 Eingriffsfläche 5 Unteres Ende 6 Betätigungsfläche 7 Klemmfeder 8 Klemmschenkel 9 Seitenfläche 10 Seitenfläche 11 Anschlussbereich 12, 13 Stromschiene 14 Gehäuse 15 Leitereinführungsöffnung 16 Gehäusewand 17 Kantenfläche 18 Seitenfläche 19 Querseitenfläche 20 Erste Seitenfläche 21 Zweite Seitenfläche 22 By the above-described embodiment of the actuating element 1 and the actuating surface 7, with which the actuating finger 2 rests against the clamping leg 9 can be increased. LIST OF REFERENCE NUMBERS actuator 1 actuating fingers 2 cover 3 Top end 4 engaging surface 5 Lower end 6 actuating surface 7 clamping spring 8th clamping leg 9 side surface 10 side surface 11 terminal area 12, 13 conductor rail 14 casing 15 Conductor insertion opening 16 housing wall 17 edge surface 18 side surface 19 Transverse side face 20 First side surface 21 Second side surface 22

Claims (7)

  1. Operating element (1) for operating a clamping spring (8) of a connection terminal, comprising
    • an operating finger (2) which has an operating face (7) by means of which the operating finger (2) pushes on a clamping limb (9) of the clamping spring (8) during operation of the clamping spring (8), characterized in that the operating element (1) comprises a covering element (3) which forms an extension of the operating finger (2) in the longitudinal extent of the operating finger (2),
    • wherein the covering element (3) is integrally formed on the side of the operating finger (2).
  2. Operating element (1) according to Claim 1, characterized in that the covering element (3) is of plate-shaped design.
  3. Operating element (1) according to Claim 1 or 2, characterized in that the covering element (3) is integrally formed on the operating finger (2) in one piece.
  4. Operating element (1) according to one of Claims 1 to 3, characterized in that the covering element (3) is integrally formed on the side of a lower end (6) of the operating finger (2).
  5. Connection terminal for connecting an electrical conductor, comprising
    • a housing (15),
    • a clamping spring (8), and
    • an operating element (1) which is designed according to one of Claims 1 to 4,
    • wherein the covering element (3), which is integrally formed on the operating finger (2) of the operating element (1), is arranged, at least in regions, in a gap which is formed between the clamping limb (9) of the clamping spring (8) and a region of the housing (15).
  6. Connection terminal according to Claim 5, characterized in that the covering element (3) within the gap bears against the region of the housing (15) by way of a first side face (21) and bears against a transverse side face (20) of the clamping limb (9) of the clamping spring (8) by way of a second side face (22) which is situated opposite the first side face (21).
  7. Connection terminal according to Claim 5 or 6, characterized in that the covering element (3) has an edge face (18) which bears against a housing wall (17) which delimits a conductor connection area of the connection terminal.
EP14756020.5A 2013-08-20 2014-08-20 Actuating element and connecting terminal Active EP3036797B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013108952.6A DE102013108952A1 (en) 2013-08-20 2013-08-20 Actuator and terminal
PCT/EP2014/067702 WO2015024954A1 (en) 2013-08-20 2014-08-20 Actuating element and connecting terminal

Publications (2)

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EP3036797A1 EP3036797A1 (en) 2016-06-29
EP3036797B1 true EP3036797B1 (en) 2019-03-13

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US (1) US9601843B2 (en)
EP (1) EP3036797B1 (en)
JP (1) JP6224836B2 (en)
CN (1) CN105493351B (en)
DE (1) DE102013108952A1 (en)
ES (1) ES2722857T3 (en)
TR (1) TR201905821T4 (en)
WO (1) WO2015024954A1 (en)

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DE102015100823B4 (en) * 2015-01-21 2021-12-09 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal
DE102016113974B4 (en) * 2016-07-28 2018-06-07 Harting Electric Gmbh & Co. Kg Connection device, actuator for the connection device and method for unlocking the connection device
DE102018100261B3 (en) 2018-01-08 2019-07-11 Wago Verwaltungsgesellschaft Mbh Conductor terminal
DE102019106352B4 (en) * 2019-03-13 2023-06-07 Phoenix Contact Gmbh & Co. Kg Conductor connection terminal with an actuating element comprising a driver element
DE102019127232B3 (en) * 2019-10-10 2021-03-25 Phoenix Contact Gmbh & Co. Kg Connection device for connecting an electrical line
JP7007757B1 (en) 2020-12-30 2022-01-25 良文 馬木 Respiratory circuit holding device for artificial respirators

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JPH0973927A (en) * 1995-09-05 1997-03-18 Hakko Denki Seisakusho:Kk Terminal device

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CN2152311Y (en) * 1993-03-12 1994-01-05 武进县控制电器厂 Connecting terminal board
DE102006047254B3 (en) * 2006-10-06 2008-05-21 Abb Ag Installation switching device e.g. line safety switch, has opening covered by covering part pivotably mounted on housing, where part has connecting area with number of connection openings that correspond to number of conductors
DE102008039868A1 (en) * 2008-08-27 2010-03-04 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal
ES2414830T3 (en) * 2008-08-27 2013-07-22 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal
EP2329564B1 (en) 2008-09-29 2015-07-22 Abb Ag Installation switching device having a screwless clamp terminal
DE102009033481B4 (en) * 2009-07-15 2012-07-05 Phoenix Contact Gmbh & Co. Kg Connection and connection device
DE102010025930B4 (en) * 2010-07-02 2019-10-17 Phoenix Contact Gmbh & Co. Kg terminal
US8262422B1 (en) * 2011-07-28 2012-09-11 Cheng Uei Precision Industry Co., Ltd. Electrical connector

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JPH0973927A (en) * 1995-09-05 1997-03-18 Hakko Denki Seisakusho:Kk Terminal device

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TR201905821T4 (en) 2019-05-21
ES2722857T3 (en) 2019-08-19
US9601843B2 (en) 2017-03-21
US20160197416A1 (en) 2016-07-07
CN105493351B (en) 2018-08-10
EP3036797A1 (en) 2016-06-29
JP6224836B2 (en) 2017-11-01
WO2015024954A1 (en) 2015-02-26
CN105493351A (en) 2016-04-13
DE102013108952A1 (en) 2015-03-12
JP2016531401A (en) 2016-10-06

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