EP2946442B1 - Terminal - Google Patents

Terminal Download PDF

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Publication number
EP2946442B1
EP2946442B1 EP14700605.0A EP14700605A EP2946442B1 EP 2946442 B1 EP2946442 B1 EP 2946442B1 EP 14700605 A EP14700605 A EP 14700605A EP 2946442 B1 EP2946442 B1 EP 2946442B1
Authority
EP
European Patent Office
Prior art keywords
clamping
conductor
bottom wall
guide channel
section
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.)
Active
Application number
EP14700605.0A
Other languages
German (de)
French (fr)
Other versions
EP2946442A1 (en
Inventor
Ralph Hoppmann
Martin Gebhardt
Detlef TÖBERICH
Holger Steinhage
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
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP2946442A1 publication Critical patent/EP2946442A1/en
Application granted granted Critical
Publication of EP2946442B1 publication Critical patent/EP2946442B1/en
Active 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2608—Fastening means for mounting on support rail or strip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • 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
    • H01R4/4819—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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to a terminal, in particular an electrical terminal for conductors with a large cross-sectional area.
  • the number of terminals which are also suitable for clamping conductors with a large conductor cross-section, in particular a conductor cross-section or a conductor cross-sectional area> 35 mm 2 , is so far low.
  • the known terminals for clamping conductors with a large cross-sectional area usually have a screw connection.
  • a combination of a screw connection and a spring connection is also known in which a spring is tensioned via a screw mechanism, which acts in a similar manner to a clamping sleeve of a screw terminal and pulls the conductor to be clamped against a busbar. All these connections usually press the conductor to be clamped against a flat conductor rail.
  • EP 1 248 318 A2 discloses the features of the preambles of claims 1 and 2. The invention is therefore based on the object to provide a terminal available in which prevents unwanted displacement of the conductor within the terminal and thus secure clamping of the conductor can be ensured.
  • the terminal a housing, arranged in the housing clamping pocket, in which a conductor to be clamped is inserted, and at least one in the clamping pocket protruding clamping spring for clamping the inserted conductor in the clamping pocket, wherein the clamping pocket has a bottom wall and two opposing, extending from the bottom wall side walls forming a conductor guide channel, wherein the conductor guide channel along its longitudinal direction at least partially in the direction of the bottom wall continuously has narrowing cross-section.
  • the terminal according to the invention is characterized in that the busbar is now formed in the form of a clamping pocket, which forms a conductor guide channel through a bottom wall and by two laterally extending away from the bottom wall side walls, in which a defined guidance of the conductor is enabled, and In particular, an undesirable lateral displacement of the conductor from a clamping position can be prevented.
  • the conductor guide channel is further distinguished by the fact that along its longitudinal direction, it has, at least in regions, a cross section that narrows continuously in the direction of the bottom wall. The continuously narrowing cross section forms a centering for the conductor to be clamped in the conductor guide channel, so that the conductor can be held in the conductor guide channel so that it can not slip.
  • the narrowing cross-section preferably does not extend over the entire height of the clamping pocket, but is in the lower region of the clamping pocket, where the conductor is inserted, formed.
  • the opposite side walls are arranged parallel to each other.
  • the continuously narrowing cross-section of the conductor guide channel is designed such that the movement of the clamping leg of the trained as a leg spring clamping spring is not limited by the narrowing cross-section.
  • the terminal is also characterized by a compact design in which conductors with different conductor cross sections can be connected.
  • the narrowing cross section of the conductor guide channel is preferably formed from a V-shape or a combination of a U-shape and a V-shape.
  • the narrowing cross-section is preferably formed by the fact that the two side walls each have at least one bevel, which converges in each case to the slope of the opposite side wall.
  • the opposing slopes of the two side walls in the region of the bottom wall of the clamping pocket do not abut each other, but they are spaced apart in the region of the bottom wall, so that the bottom wall between the two themselves However, the bottom wall is reduced in width relative to areas where the two side walls parallel to each other, reduced.
  • the two slopes of the opposite side walls abut each other in the region of the bottom wall, so that the width of the bottom wall is reduced to a minimum here.
  • the continuously narrowing cross section of the conductor guide channel can thereby at least two be formed opposite, formed in a transitional area between a side wall and the bottom wall indentations.
  • the indentations are formed in the direction of the interior of the conductor guide channel.
  • An indentation extends over a portion of the sidewall adjacent to the bottom wall and a portion of the bottom wall, respectively.
  • the impressions may be formed, for example, triangular or as a concavity in the form of a spherical section.
  • the cross section of the conductor guide channel is not narrowed but has a rectangular cross section, so that in FIG Area of the rectangular cross section, the free end of the clamping spring can move freely without touching any of the indentations.
  • the continuously narrowing cross section of the conductor guide channel may extend over the entire length of the conductor guide channel, wherein the side walls each have one on the side wall portion adjoining the bottom wall, which is inclined to the bottom wall wherein the sidewall portions of the sidewalls adjacent to the bottom wall have at least two opposing recesses in which a free end of a clamping leg of the clamp spring is submersible. If the continuously narrowing cross-section of the conductor guide channel extends over the entire length of the conductor guide channel, slippage of the conductor can occur in the conductor guide channel can be safely prevented.
  • the side walls are here divided into two sections as seen in the direction of the bottom wall, wherein the side wall sections are inclined near the bottom wall or are inclined towards the bottom wall so that these side wall sections of the two side walls can run towards one another.
  • the side wall portion of a side wall which is remote from the bottom wall is formed at an angle of substantially 90 ° to the bottom wall, so that these side wall portions of the two opposing side walls are formed parallel to each other.
  • a recess is formed in the two inclined side wall portions formed, wherein the recesses of the two side wall portions are opposite.
  • the recesses allow the free end of the clamping spring, if it is in the vicinity of the bottom wall, which in particular in a non-clamped state of the conductor or when clamping conductors with a very small cross-sectional area is the case, can dip therein.
  • the free end of the clamping spring does not have to be adapted to the narrowing cross-sectional shape of the conductor guide channel, but can form a straight surface. If the free end of the clamping leg would also constrict or reduce towards the tip of the free end, a gap can form laterally between the conductor guide channel and the clamping leg, into which individual strands of a conductor can insert, so that secure contacting is no longer possible can be guaranteed.
  • the free end of the clamping leg of the clamping spring thus has here a different cross-sectional shape than the conductor guide channel.
  • the recesses may be on the side walls at least be formed a bulge, which form the conductor guide channel in this area so broad that a straight surface at the free end of the clamping leg of the clamping spring can dive into the bulges and thus the clamping spring unhindered despite a over the entire length of the conductor guide channel formed narrowing cross-section Can perform pivoting movement within the conductor guide channel.
  • the guide portion is preferably a narrowing Cross section has.
  • the narrowing cross section of the guide portion may be formed, for example, from a V-shape or a combination of a U-shape and a V-shape.
  • the terminal may preferably be formed as a terminal block, which can be snapped onto a mounting rail, wherein the housing preferably has a latching foot for attaching the terminal on a mounting rail.
  • the latching foot is preferably formed integrally with the housing.
  • Fig. 1 and 2 show a first embodiment of a terminal with a clamping pocket 1, in which two clamping springs 2, which here as Klemmfederwovene, consisting of a plurality of clamping spring elements, are formed, are positioned.
  • two clamping springs 2 which here as Klemmfederwovene, consisting of a plurality of clamping spring elements, are formed, are positioned.
  • the clamping springs 2 are formed here as a torsion spring. Alternatively, they can also be designed as cage springs.
  • the clamping pocket 1 has a bottom wall 3 and two opposing side walls 4a, 4b extending away from the bottom wall 3.
  • the bottom wall 3 and the two side walls 4a, 4b form a conductor guide channel 5, which extends over the entire length of the clamping pocket 1.
  • an opening 6 is formed, in which a partition wall can be fixed, which then extends inside the clamping pocket 1, starting from the bottom wall 3 upwards into the interior of the clamping pocket 1 inside.
  • the partition divides the conductor guide channel 5 in two areas, in each of which a conductor 19, 20 can be inserted, wherein the conductors 19, 20 can each be inserted so far into the conductor guide channel 5 that they abut with their end face against the partition wall.
  • the conductor guide channel 5 has along its longitudinal direction in some areas a continuously narrowing in the direction of the bottom wall 3 cross section, wherein in the region of the continuously narrowing cross section of the conductor guide channel 5 forms a combination of a U-shape and a V-shape.
  • the indentations 7a, 7b are formed in the direction of the interior of the conductor guide channel 5.
  • An indentation 7a, 7b extends in each case over a region of the side wall 4a, 4b, adjacent to the bottom wall 3, and a region of the bottom wall 3.
  • the indentations 7a, 7b are here triangular in shape.
  • Two impressions 7a, 7b are formed per side wall 4a, 4b, wherein the indentations 7a, 7b of a side wall 4a, 4b are spaced apart in the longitudinal direction of the conductor guide channel 5.
  • the distance a is formed so large that it forms a pivoting range for the free end 8 of the clamping leg 10 of the clamping spring 2.
  • the cross section of the conductor guide channel 5 is not narrowed, but the conductor guide channel 5 has a rectangular cross section, so that in the region 9 of the rectangular cross section of the conductor guide channel 5 free end 8 of the clamping spring 2 can move freely without touching any of the indentations 7 a, 7 b.
  • the free end 8 of the clamping leg 10 can thus "work" between two impressions 7a, 7b of a side wall 4a, 4b.
  • the narrowing cross section is not formed by indentations, but extends the continuously narrowing cross section of the conductor guide channel 5 over the entire length of the conductor guide channel 5.
  • the side walls 4a, 4b here each have two side wall sections 11a ', 11a ", A first side wall portion 11a ', 11b' adjoins the bottom wall 3 and is inclined to the bottom wall 3.
  • a second side wall portion 11a ", 11b" of a side wall 4a, 4b which is removed from the bottom wall 3 is, however, formed at an angle of substantially 90 ° to the bottom wall 3, so that these side wall portions 11a ", 11b" of the two opposite side walls 4a, 4b are formed parallel to each other.
  • a recess 12a, 12b is respectively formed in the two inclined side wall sections 11a ', 11b', the recesses 12a, 12b of the two side wall sections 11a ', 11b' facing each other.
  • the recesses 12a, 12b which are substantially triangular in shape here, allow the free end 8 of the clamping spring 10 to be in the vicinity of the bottom wall 3, in particular in an unclamped state of the conductor or in the clamping of conductors with a very small cross-sectional area is the case, can dip into it, as in Fig. 4 is shown.
  • FIGS. 5 and 6 two embodiments are shown in which in Leiteinsteckides before the conductor guide channel 5 on the clamping pocket 1, a guide portion 13 is formed, wherein the guide portion 13 also has a narrowing cross-section.
  • the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1.
  • the side walls 4a, 4b are however, separated from the guide portion 13.
  • the guide section 13 has a base surface 14 which lies in a plane with the bottom wall 3 of the clamping pocket 1. Adjacent to the base surface 14 are two opposite side surfaces 15a, 15b, which are angled towards the base surface 14, so that also the guide portion 13 has a narrowing cross section, which is formed as a combination of a U-shape and a V-shape.
  • the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b, as shown in FIG Fig. 5 shown embodiment is shown.
  • the base surface 14 of the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1, and also the angled side surfaces 15a, 15b are integrally formed with the side walls 4a, 4b of the clamping pocket 1.
  • a guide section 13 here has the shape of a half impression. Again, the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b by the formation of a guide portion 13.
  • Fig. 7 shows a terminal with a housing 16 in which the clamping pocket 1 is arranged together with the clamping springs 2.
  • the housing 16 is disk-shaped here and has two opposing conductor insertion openings 17, wherein the guide portion 13 or the clamping pocket 1 itself project into the conductor insertion opening 16 to an insertion and thus also to facilitate clamping of a conductor 19, 20 in the terminal.
  • the housing 16 on its underside a latching foot 18, with which the housing 16 and thus the terminal can be snapped onto a mounting rail.
  • the terminal is thus designed here as a terminal block. Another use of the terminal as a terminal is also possible.
  • Fig. 8 shows an embodiment in which two conductors 19, 20 inserted and connected in the terminal by each of the clamping leg 8 of a clamping spring 2 a conductor 19, 20 presses against the bottom wall 3 of the clamping pocket 1, wherein the bottom wall 3 of the clamping pocket 1 here Has the function of a busbar.

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Clamps And Clips (AREA)

Description

Die Erfindung betrifft eine Anschlussklemme, insbesondere eine elektrische Anschlussklemme für Leiter mit einer großen Querschnittsfläche.The invention relates to a terminal, in particular an electrical terminal for conductors with a large cross-sectional area.

Die Anzahl von Anschlussklemmen, die auch zum Klemmen von Leitern mit einem großen Leiterquerschnitt, insbesondere einem Leiterquerschnitt bzw. einer Leiterquerschnittsfläche > 35 mm2 geeignet sind, ist bisher gering. Die bekannten Anschlussklemmen zum Klemmen von Leitern mit einer großen Querschnittsfläche weisen meist einen Schraubanschluss auf. Weiter ist auch eine Kombination aus einem Schraubanschluss und einem Federanschluss bekannt, bei welchem über einen Schraubmechanismus eine Feder gespannt wird, die ähnlich einer Klemmhülse einer Schraubklemme wirkt und den zu klemmenden Leiter gegen eine Stromschiene zieht. Alle diese Anschlüsse drücken den zu klemmenden Leiter meist gegen eine flach ausgebildete Stromschiene. Dabei kann es leicht zu einer Verschiebung des zu klemmenden Leiters kommen, wodurch keine sichere Klemmung des Leiters mehr auf der flach ausgebildeten Stromschiene gewährleistet werden kann. EP 1 248 318 A2 offenbart die Merkmale der Obergriffe der Ansprüche 1 und 2. Der Erfindung liegt daher die Aufgabe zu Grunde, eine Anschlussklemme zur Verfügung zu stellen, bei welcher ein unerwünschtes Verschieben des Leiters innerhalb der Anschlussklemme verhindert und damit eine sichere Klemmung des Leiters gewährleistet werden kann.The number of terminals, which are also suitable for clamping conductors with a large conductor cross-section, in particular a conductor cross-section or a conductor cross-sectional area> 35 mm 2 , is so far low. The known terminals for clamping conductors with a large cross-sectional area usually have a screw connection. Furthermore, a combination of a screw connection and a spring connection is also known in which a spring is tensioned via a screw mechanism, which acts in a similar manner to a clamping sleeve of a screw terminal and pulls the conductor to be clamped against a busbar. All these connections usually press the conductor to be clamped against a flat conductor rail. In this case, it can easily come to a shift of the conductor to be clamped, whereby no secure clamping of the conductor can be ensured more on the flat formed busbar. EP 1 248 318 A2 discloses the features of the preambles of claims 1 and 2. The invention is therefore based on the object to provide a terminal available in which prevents unwanted displacement of the conductor within the terminal and thus secure clamping of the conductor can be ensured.

Bei einer Anschlussklemme der eingangs näher bezeichneten Art wird diese Aufgabe erfindungsgemäß dadurch gelöst, dass die Anschlussklemme ein Gehäuse, eine in dem Gehäuse angeordnete Klemmtasche, in welche ein zu klemmender Leiter einführbar ist, und mindestens eine in die Klemmtasche hineinragende Klemmfeder zum Klemmen des eingeführten Leiters in der Klemmtasche aufweist, wobei die Klemmtasche eine Bodenwand und zwei sich gegenüberliegende, sich von der Bodenwand wegerstreckende Seitenwände aufweist, welche einen Leiterführungskanal ausbilden, wobei der Leiterführungskanal entlang seiner Längsrichtung zumindest bereichsweise einen sich in Richtung der Bodenwand kontinuierlich verengenden Querschnitt aufweist.In a terminal of the type described in more detail, this object is achieved in that the terminal a housing, arranged in the housing clamping pocket, in which a conductor to be clamped is inserted, and at least one in the clamping pocket protruding clamping spring for clamping the inserted conductor in the clamping pocket, wherein the clamping pocket has a bottom wall and two opposing, extending from the bottom wall side walls forming a conductor guide channel, wherein the conductor guide channel along its longitudinal direction at least partially in the direction of the bottom wall continuously has narrowing cross-section.

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.

Die Anschlussklemme gemäß der Erfindung zeichnet sich dadurch aus, dass die Stromschiene nunmehr in Form einer Klemmtasche ausgebildet ist, welche durch eine Bodenwand und durch zwei sich seitlich von der Bodenwand wegerstreckende Seitenwände einen Leiterführungskanal ausbildet, in welchem eine definierte Führung des Leiters ermöglicht ist, und insbesondere ein unerwünschtes seitliches Verschieben des Leiters aus einer Klemmposition verhindert werden kann. Der Leiterführungskanal zeichnet sich ferner dadurch aus, dass dieser entlang seiner Längsrichtung zumindest bereichsweise einen sich in Richtung der Bodenwand kontinuierlich verengenden Querschnitt aufweist. Der sich kontinuierlich verengende Querschnitt bildet eine Zentrierung für den zu klemmenden Leiter in dem Leiterführungskanal, so dass der Leiter verrutschsicher in dem Leiterführungskanal gehalten werden kann. Der sich verengende Querschnitt erstreckt sich vorzugsweise nicht über die gesamte Höhe der Klemmtasche, sondern ist im unteren Bereich der Klemmtasche, dort wo der Leiter eingeführt ist, ausgebildet. Im oberen Bereich der Klemmtasche, wo auch die Klemmfeder in der Klemmtasche gelagert ist, sind die sich gegenüberliegenden Seitenwände parallel zueinander verlaufend angeordnet. Der sich kontinuierlich verengende Querschnitt des Leiterführungskanals ist dabei derart ausgebildet, dass die Bewegung des Klemmschenkels der als Schenkelfeder ausgebildeten Klemmfeder durch den sich verengenden Querschnitt nicht eingeschränkt wird. Die Anschlussklemme zeichnet sich ferner durch eine kompakte Bauform aus, in der Leiter mit unterschiedlichen Leiterquerschnitten angeschlossen werden können.The terminal according to the invention is characterized in that the busbar is now formed in the form of a clamping pocket, which forms a conductor guide channel through a bottom wall and by two laterally extending away from the bottom wall side walls, in which a defined guidance of the conductor is enabled, and In particular, an undesirable lateral displacement of the conductor from a clamping position can be prevented. The conductor guide channel is further distinguished by the fact that along its longitudinal direction, it has, at least in regions, a cross section that narrows continuously in the direction of the bottom wall. The continuously narrowing cross section forms a centering for the conductor to be clamped in the conductor guide channel, so that the conductor can be held in the conductor guide channel so that it can not slip. The narrowing cross-section preferably does not extend over the entire height of the clamping pocket, but is in the lower region of the clamping pocket, where the conductor is inserted, formed. In the upper part of the clamping pocket, where also the clamping spring in the clamping pocket is mounted, the opposite side walls are arranged parallel to each other. The continuously narrowing cross-section of the conductor guide channel is designed such that the movement of the clamping leg of the trained as a leg spring clamping spring is not limited by the narrowing cross-section. The terminal is also characterized by a compact design in which conductors with different conductor cross sections can be connected.

Der sich verengende Querschnitt des Leiterführungskanals ist bevorzugt aus einer V-Form oder einer Kombination aus einer U-Form und einer V-Form ausgebildet. Der sich verengende Querschnitt wird vorzugsweise dadurch ausgebildet, dass die beiden Seitenwände jeweils mindestens eine Schräge aufweisen, die jeweils zu der Schräge der gegenüberliegenden Seitenwand konvergierend ist. Bei einer Kombination aus einer U-Form und einer V-Form stoßen die sich gegenüberliegenden Schrägen der beiden Seitenwände im Bereich der Bodenwand der Klemmtasche nicht aneinander an, sondern sie sind auch im Bereich der Bodenwand zueinander beabstandet, so dass die Bodenwand zwischen den beiden sich gegenüberliegenden Schrägen der Seitenwand eben, bzw. flach ausgebildet ist, jedoch ist die Bodenwand in ihrer Breite gegenüber Bereichen, wo die beiden Seitenwände parallel zueinander verlaufen, reduziert. Bei der V-Form hingegen stoßen die beiden Schrägen der sich gegenüberliegenden Seitenwände im Bereich der Bodenwand aneinander an, so dass die Breite der Bodenwand hier auf ein Minimum reduziert ist.The narrowing cross section of the conductor guide channel is preferably formed from a V-shape or a combination of a U-shape and a V-shape. The narrowing cross-section is preferably formed by the fact that the two side walls each have at least one bevel, which converges in each case to the slope of the opposite side wall. In a combination of a U-shape and a V-shape, the opposing slopes of the two side walls in the region of the bottom wall of the clamping pocket do not abut each other, but they are spaced apart in the region of the bottom wall, so that the bottom wall between the two themselves However, the bottom wall is reduced in width relative to areas where the two side walls parallel to each other, reduced. In contrast, in the V-shape, the two slopes of the opposite side walls abut each other in the region of the bottom wall, so that the width of the bottom wall is reduced to a minimum here.

Der sich kontinuierlich verengende Querschnitt des Leiterführungskanals kann dabei durch mindestens zwei sich gegenüberliegende, in einem Übergangsgangbereich zwischen einer Seitenwand und der Bodenwand ausgebildeten Einprägungen ausgebildet sein. Die Einprägungen sind in Richtung des Innenraumes des Leiterführungskanals ausgebildet. Eine Einprägung erstreckt sich jeweils über einen Bereich der Seitenwand, angrenzend zu der Bodenwand, und einen Bereich der Bodenwand. Die Einprägungen können beispielsweise dreieckförmig oder auch als Einwölbung in Form eines Kugelabschnittes ausgebildet sein. Pro Seitenwand können auch mehr als eine Einprägung ausgebildet sein, wobei die Einprägungen einer Seitenwand dann zueinander beabstandet sind, wobei in dem Bereich zwischen zwei an einer Seitenwand ausgebildeten Einprägungen der Querschnitt des Leiterführungskanals nicht verengt ist, sondern einen rechteckförmigen Querschnitt aufweist, so dass sich im Bereich des rechteckförmigen Querschnitts das freie Ende der Klemmfeder frei bewegen kann, ohne eine der Einprägungen zu berühren.The continuously narrowing cross section of the conductor guide channel can thereby at least two be formed opposite, formed in a transitional area between a side wall and the bottom wall indentations. The indentations are formed in the direction of the interior of the conductor guide channel. An indentation extends over a portion of the sidewall adjacent to the bottom wall and a portion of the bottom wall, respectively. The impressions may be formed, for example, triangular or as a concavity in the form of a spherical section. It is also possible for more than one impression to be formed per side wall, with the impressions of a side wall being spaced from one another, wherein in the region between two impressions formed on a side wall, the cross section of the conductor guide channel is not narrowed but has a rectangular cross section, so that in FIG Area of the rectangular cross section, the free end of the clamping spring can move freely without touching any of the indentations.

Alternativ zu der Ausbildung des sich verengenden Querschnitts durch Einprägungen ist es weiter möglich, dass sich der kontinuierlich verengende Querschnitt des Leiterführungskanals über die gesamte Länge des Leiterführungskanals erstreckt, wobei die Seitenwände jeweils einen an dem die Bodenwand angrenzenden Seitenwandabschnitt aufweisen, welcher zu der Bodenwand geneigt ausgebildet ist, wobei die an die Bodenwand angrenzenden Seitenwandabschnitte der Seitenwände mindestens zwei sich gegenüberliegende Aussparungen aufweisen, in welche ein freies Ende eines Klemmschenkels der Klemmfeder eintauchbar ist. Erstreckt sich der kontinuierlich verengende Querschnitt des Leiterführungskanals über die gesamte Länge des Leiterführungskanals, kann ein Verrutschen des Leiters in dem Leiterführungskanal sicher verhindert werden. Die Seitenwände sind hier in Richtung der Bodenwand gesehen in zwei Abschnitte unterteilt, wobei die Seitenwandabschnitte nahe der Bodenwand schräg gestellt sind bzw. zu der Bodenwand hin geneigt sind, so dass diese Seitenwandabschnitte der beiden Seitenwände aufeinander zu laufen können. Der Seitenwandabschnitt einer Seitenwand, welcher von der Bodenwand entfernt ist, ist hingegen in einem Winkel von im Wesentlichen 90° zu der Bodenwand ausgebildet, so dass diese Seitenwandabschnitte der beiden sich gegenüberliegenden Seitenwände parallel zueinander ausgebildet sind. In dem Verschwenkbereich des Klemmschenkels der Klemmfeder ist in den beiden geneigt ausgebildeten Seitenwandabschnitten jeweils eine Aussparung ausgebildet, wobei die Aussparungen der beiden Seitenwandabschnitte sich gegenüberliegen. Die Aussparungen ermöglichen, dass das freie Ende der Klemmfeder, wenn es sich in der Nähe der Bodenwand befindet, was insbesondere in einem nicht geklemmten Zustand des Leiters oder beim Klemmen von Leitern mit einer sehr geringen Querschnittsfläche der Fall ist, darin eintauchen kann. Das freie Ende der Klemmfeder muss dadurch nicht an die sich verengende Querschnittsform des Leiterführungskanals angepasst werden, sondern kann eine gerade Fläche ausbilden. Würde sich das freie Ende des Klemmschenkels ebenfalls zu der Spitze des freien Endes hin verengen bzw. reduzieren, kann sich seitlich ein Spalt zwischen dem Leiterführungskanal und dem Klemmschenkel ausbilden, in den sich einzelne Litzen eines Leiters einschieben können, so dass eine sichere Kontaktierung nicht mehr gewährleistet werden kann. Das freie Ende des Klemmeschenkels der Klemmfeder weist somit hier eine andere Querschnittsform auf als der Leiterführungskanal. Alternativ zu den Aussparungen können an den Seitenwänden jeweils mindestens eine Ausbuchtung ausgebildet sein, welche den Leiterführungskanal in diesem Bereich derart breit ausbilden, dass eine gerade Fläche an dem freien Ende des Klemmschenkels der Klemmfeder in die Ausbuchtungen eintauchen kann und damit die Klemmfeder trotz einem sich über die gesamte Länge des Leiterführungskanals ausgebildeten verengenden Querschnittes ungehindert eine Verschwenkbewegung innerhalb des Leiterführungskanals ausführen kann.As an alternative to the formation of the narrowing cross-section through embossings, it is further possible for the continuously narrowing cross section of the conductor guide channel to extend over the entire length of the conductor guide channel, wherein the side walls each have one on the side wall portion adjoining the bottom wall, which is inclined to the bottom wall wherein the sidewall portions of the sidewalls adjacent to the bottom wall have at least two opposing recesses in which a free end of a clamping leg of the clamp spring is submersible. If the continuously narrowing cross-section of the conductor guide channel extends over the entire length of the conductor guide channel, slippage of the conductor can occur in the conductor guide channel can be safely prevented. The side walls are here divided into two sections as seen in the direction of the bottom wall, wherein the side wall sections are inclined near the bottom wall or are inclined towards the bottom wall so that these side wall sections of the two side walls can run towards one another. On the other hand, the side wall portion of a side wall which is remote from the bottom wall is formed at an angle of substantially 90 ° to the bottom wall, so that these side wall portions of the two opposing side walls are formed parallel to each other. In the pivoting region of the clamping leg of the clamping spring in each case a recess is formed in the two inclined side wall portions formed, wherein the recesses of the two side wall portions are opposite. The recesses allow the free end of the clamping spring, if it is in the vicinity of the bottom wall, which in particular in a non-clamped state of the conductor or when clamping conductors with a very small cross-sectional area is the case, can dip therein. The free end of the clamping spring does not have to be adapted to the narrowing cross-sectional shape of the conductor guide channel, but can form a straight surface. If the free end of the clamping leg would also constrict or reduce towards the tip of the free end, a gap can form laterally between the conductor guide channel and the clamping leg, into which individual strands of a conductor can insert, so that secure contacting is no longer possible can be guaranteed. The free end of the clamping leg of the clamping spring thus has here a different cross-sectional shape than the conductor guide channel. As an alternative to the recesses may be on the side walls at least be formed a bulge, which form the conductor guide channel in this area so broad that a straight surface at the free end of the clamping leg of the clamping spring can dive into the bulges and thus the clamping spring unhindered despite a over the entire length of the conductor guide channel formed narrowing cross-section Can perform pivoting movement within the conductor guide channel.

Um ein Einführen eines Leiters in den Leiterführungskanal und damit auch in die Anschlussklemme zu erleichtern, ist es weiter bevorzugt vorgesehen, dass in Leitereinsteckrichtung vor dem Leiterführungskanal an der Klemmtasche ein in eine Leitereinführungsöffnung des Gehäuses hineinragender Führungsabschnitt angeordnet ist, wobei der Führungsabschnitt vorzugsweise einen sich verengenden Querschnitt aufweist. Der sich verengende Querschnitt des Führungsabschnittes kann beispielsweise aus einer V-Form oder einer Kombination einer U-Form und einer V-Form ausgebildet sein.In order to facilitate insertion of a conductor in the conductor guide channel and thus also in the terminal, it is further preferred that in Leiteinsteckrichtung in front of the conductor guide channel on the clamping pocket in a conductor insertion opening of the housing projecting guide portion is arranged, wherein the guide portion is preferably a narrowing Cross section has. The narrowing cross section of the guide portion may be formed, for example, from a V-shape or a combination of a U-shape and a V-shape.

Die Anschlussklemme kann vorzugsweise als eine Reihenklemme ausgebildet sein, welche auf einer Tragschiene aufgerastet werden kann, wobei das Gehäuse dafür vorzugsweise einen Rastfuß zum Befestigen der Anschlussklemme auf einer Tragschiene aufweist. Der Rastfuß ist bevorzugt einstückig mit dem Gehäuse ausgebildet.The terminal may preferably be formed as a terminal block, which can be snapped onto a mounting rail, wherein the housing preferably has a latching foot for attaching the terminal on a mounting rail. The latching foot is preferably formed integrally with the housing.

Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegenden Zeichnungen anhand bevorzugter Ausführungsformen näher erläutert.The invention will be explained in more detail with reference to the accompanying drawings with reference to preferred embodiments.

Es zeigen:

Fig. 1
eine schematische perspektivische Darstellung einer Anschlussklemme ohne einem Gehäuse gemäß einer ersten Ausführungsform der Erfindung,
Fig. 2
eine schematische Schnittdarstellung der in Fig. 1 gezeigten Anschlussklemme,
Fig. 3
eine schematische perspektivische Darstellung einer Anschlussklemme ohne einem Gehäuse gemäß einer zweiten Ausführungsform der Erfindung,
Fig. 4
eine schematische Schnittdarstellung der in Fig. 3 gezeigten Anschlussklemme,
Fig. 5
eine schematische perspektivische Darstellung einer Anschlussklemme ohne einem Gehäuse gemäß einer dritten Ausführungsform der Erfindung,
Fig. 6
eine schematische perspektivische Darstellung einer Anschlussklemme ohne einem Gehäuse gemäß einer vierten Ausführungsform der Erfindung,
Fig. 7
eine schematische perspektivische Darstellung einer Anschlussklemme mit einem Gehäuse gemäß der Erfindung, und
Fig. 8
eine schematische perspektivische Darstellung der in Fig. 7 gezeigten Anschlussklemme mit zwei in die Anschlussklemme eingeführten Leitern.
Show it:
Fig. 1
a schematic perspective view of a terminal without a housing according to a first embodiment of the invention,
Fig. 2
a schematic sectional view of in Fig. 1 shown terminal,
Fig. 3
a schematic perspective view of a terminal without a housing according to a second embodiment of the invention,
Fig. 4
a schematic sectional view of in Fig. 3 shown terminal,
Fig. 5
a schematic perspective view of a terminal without a housing according to a third embodiment of the invention,
Fig. 6
a schematic perspective view of a terminal without a housing according to a fourth embodiment of the invention,
Fig. 7
a schematic perspective view of a terminal with a housing according to the invention, and
Fig. 8
a schematic perspective view of in Fig. 7 shown terminal with two inserted into the terminal conductors.

Fig. 1 und 2 zeigen eine erste Ausführungsform einer Anschlussklemme mit einer Klemmtasche 1, in welcher zwei Klemmfedern 2, die hier als Klemmfederpakete, bestehend aus mehreren Klemmfederelementen, ausgebildet sind, positioniert sind. In einer Klemmtasche 1 können hier somit über die zwei Klemmfedern 2 zwei Leiter 19, 20 gleichzeitig geklemmt werden, wie dies in Fig. 8 gezeigt ist. Die Klemmfedern 2 sind hier als Schenkelfedern ausgebildet. Alternativ können sie aber auch als Käfigfedern ausgebildet sein. Fig. 1 and 2 show a first embodiment of a terminal with a clamping pocket 1, in which two clamping springs 2, which here as Klemmfederpakete, consisting of a plurality of clamping spring elements, are formed, are positioned. In a clamping pocket 1, two conductors 19, 20 can thus be clamped simultaneously via the two clamping springs 2, as shown in FIG Fig. 8 is shown. The clamping springs 2 are formed here as a torsion spring. Alternatively, they can also be designed as cage springs.

Die Klemmtasche 1 weist eine Bodenwand 3 und zwei sich gegenüberliegende, von der Bodenwand 3 wegerstreckende Seitenwände 4a, 4b auf. Die Bodenwand 3 und die zwei Seitenwände 4a, 4b bilden einen Leiterführungskanal 5 aus, welcher sich über die gesamte Länge der Klemmtasche 1 erstreckt. In dem Leiterführungskanal 5 ist eine Öffnung 6 ausgebildet, in welcher eine Trennwand befestigt werden kann, die sich dann innerhalb der Klemmtasche 1 ausgehend von der Bodenwand 3 nach oben in den Innenraum der Klemmtasche 1 hinein erstreckt. Die Trennwand unterteilt den Leiterführungskanal 5 in zwei Bereiche, in welche jeweils ein Leiter 19, 20 eingeführt werden kann, wobei die Leiter 19, 20 jeweils derart weit in den Leiterführungskanal 5 eingeschoben werden können, dass sie mit ihrer Stirnfläche gegen die Trennwand stoßen.The clamping pocket 1 has a bottom wall 3 and two opposing side walls 4a, 4b extending away from the bottom wall 3. The bottom wall 3 and the two side walls 4a, 4b form a conductor guide channel 5, which extends over the entire length of the clamping pocket 1. In the conductor guide channel 5, an opening 6 is formed, in which a partition wall can be fixed, which then extends inside the clamping pocket 1, starting from the bottom wall 3 upwards into the interior of the clamping pocket 1 inside. The partition divides the conductor guide channel 5 in two areas, in each of which a conductor 19, 20 can be inserted, wherein the conductors 19, 20 can each be inserted so far into the conductor guide channel 5 that they abut with their end face against the partition wall.

Der Leiterführungskanal 5 weist entlang seiner Längsrichtung bereichsweise einen sich in Richtung der Bodenwand 3 kontinuierlich verengenden Querschnitt auf, wobei im Bereich des sich kontinuierlich verengenden Querschnittes der Leiterführungskanal 5 eine Kombination aus einer U-Form und einer V-Form ausbildet. Dies bedeutet, dass dort, wo die Seitenwände 4a, 4b mit der Bodenwand 3 verbunden sind, die Seitenwände 4a, 4b noch einen Abstand zueinander aufweisen, so dass der Querschnitt des Leiterführungskanal 5 nicht spitz ausgebildet ist, sondern die Form eines längsgeschnittenen Kegelstumpfes aufweist. Dies wird hier durch jeweils zwei sich gegenüberliegende, in einem Übergangsbereich zwischen einer Seitenwand 4a, 4b und der Bodenwand 3 ausgebildeten Einprägungen 7a, 7b ausgebildet. Die Einprägungen 7a, 7b sind in Richtung des Innenraumes des Leiterführungskanals 5 ausgebildet. Eine Einprägung 7a, 7b erstreckt sich jeweils über einen Bereich der Seitenwand 4a, 4b, angrenzend zu der Bodenwand 3, und einen Bereich der Bodenwand 3. Die Einprägungen 7a, 7b sind hier dreieckförmig ausgebildet. Pro Seitenwand 4a, 4b sind zwei Einprägungen 7a, 7b ausgebildet, wobei die Einprägungen 7a, 7b einer Seitenwand 4a, 4b in Längsrichtung des Leiterführungskanals 5 zueinander beabstandet sind. Der Abstand a ist derart groß ausgebildet, dass er einen Schwenkbereich für das freie Ende 8 des Klemmschenkels 10 der Klemmfeder 2 ausbildet. In dem Bereich 9 zwischen zwei an einer Seitenwand 4a, 4b ausgebildeten Einprägungen 7a, 7b ist der Querschnitt des Leiterführungskanals 5 nicht verengt ausgebildet, sondern der Leiterführungskanal 5 weist einen rechteckförmigen Querschnitt auf, so dass sich im Bereich 9 des rechteckförmigen Querschnitts des Leiterführungskanals 5 das freie Ende 8 der Klemmfeder 2 frei bewegen kann, ohne eine der Einprägungen 7a, 7b zu berühren. Das freie Ende 8 des Klemmschenkels 10 kann somit zwischen zwei Einprägungen 7a, 7b einer Seitenwand 4a, 4b "arbeiten".The conductor guide channel 5 has along its longitudinal direction in some areas a continuously narrowing in the direction of the bottom wall 3 cross section, wherein in the region of the continuously narrowing cross section of the conductor guide channel 5 forms a combination of a U-shape and a V-shape. This means that where the side walls 4a, 4b are connected to the bottom wall 3, the side walls 4a, 4b still have a distance from each other, so that the cross section of the conductor guide channel 5 is not pointed, but has the shape of a longitudinally cut truncated cone. This is formed here by two respective impressions 7a, 7b formed in a transition region between a side wall 4a, 4b and the bottom wall 3. The indentations 7a, 7b are formed in the direction of the interior of the conductor guide channel 5. An indentation 7a, 7b extends in each case over a region of the side wall 4a, 4b, adjacent to the bottom wall 3, and a region of the bottom wall 3. The indentations 7a, 7b are here triangular in shape. Two impressions 7a, 7b are formed per side wall 4a, 4b, wherein the indentations 7a, 7b of a side wall 4a, 4b are spaced apart in the longitudinal direction of the conductor guide channel 5. The distance a is formed so large that it forms a pivoting range for the free end 8 of the clamping leg 10 of the clamping spring 2. In the area 9 between two embossments 7a, 7b formed on a side wall 4a, 4b, the cross section of the conductor guide channel 5 is not narrowed, but the conductor guide channel 5 has a rectangular cross section, so that in the region 9 of the rectangular cross section of the conductor guide channel 5 free end 8 of the clamping spring 2 can move freely without touching any of the indentations 7 a, 7 b. The free end 8 of the clamping leg 10 can thus "work" between two impressions 7a, 7b of a side wall 4a, 4b.

In den Fig. 3 und 4 ist eine zweite Ausführungsform gezeigt, bei welcher der sich verengende Querschnitt nicht durch Einprägungen ausgebildet ist, sondern sich der kontinuierlich verengende Querschnitt des Leiterführungskanals 5 über die gesamte Länge des Leiterführungskanals 5 erstreckt. Die Seitenwände 4a, 4b weisen hier jeweils zwei Seitenwandabschnitte 11a', 11a", 11b', 11b" auf. Ein erster Seitenwandabschnitt 11a', 11b' grenzt an die Bodenwand 3 an und ist zu der Bodenwand 3 geneigt ausgebildet. Ein zweiter Seitenwandabschnitt 11a", 11b" einer Seitenwand 4a, 4b, welcher von der Bodenwand 3 entfernt ist, ist hingegen in einem Winkel von im Wesentlichen 90° zu der Bodenwand 3 ausgebildet, so dass diese Seitenwandabschnitte 11a", 11b" der beiden sich gegenüberliegenden Seitenwände 4a, 4b parallel zueinander ausgebildet sind.In the 3 and 4 a second embodiment is shown in which the narrowing cross section is not formed by indentations, but extends the continuously narrowing cross section of the conductor guide channel 5 over the entire length of the conductor guide channel 5. The side walls 4a, 4b here each have two side wall sections 11a ', 11a ", A first side wall portion 11a ', 11b' adjoins the bottom wall 3 and is inclined to the bottom wall 3. A second side wall portion 11a ", 11b" of a side wall 4a, 4b which is removed from the bottom wall 3 is, however, formed at an angle of substantially 90 ° to the bottom wall 3, so that these side wall portions 11a ", 11b" of the two opposite side walls 4a, 4b are formed parallel to each other.

In dem Verschwenkbereich des Klemmschenkels 10 der Klemmfeder 2 ist in den beiden geneigt ausgebildeten Seitenwandabschnitten 11a', 11b' jeweils eine Aussparung 12a, 12b ausgebildet, wobei die Aussparungen 12a, 12b der beiden Seitenwandabschnitte 11a', 11b' sich gegenüberliegen. Die Aussparungen 12a, 12b, die hier im Wesentlichen dreieckförmig ausgebildet sind, ermöglichen, dass das freie Ende 8 der Klemmfeder 10, wenn es sich in der Nähe der Bodenwand 3 befindet, was insbesondere in einem nicht geklemmten Zustand des Leiters oder beim Klemmen von Leitern mit einer sehr geringen Querschnittsfläche der Fall ist, darin eintauchen kann, wie in Fig. 4 gezeigt ist.In the pivoting region of the clamping leg 10 of the clamping spring 2, a recess 12a, 12b is respectively formed in the two inclined side wall sections 11a ', 11b', the recesses 12a, 12b of the two side wall sections 11a ', 11b' facing each other. The recesses 12a, 12b, which are substantially triangular in shape here, allow the free end 8 of the clamping spring 10 to be in the vicinity of the bottom wall 3, in particular in an unclamped state of the conductor or in the clamping of conductors with a very small cross-sectional area is the case, can dip into it, as in Fig. 4 is shown.

In Fig. 5 und 6 sind zwei Ausführungsformen gezeigt, bei welchen in Leitereinsteckrichtung vor dem Leiterführungskanal 5 an der Klemmtasche 1 ein Führungsabschnitt 13 ausgebildet ist, wobei der Führungsabschnitt 13 ebenfalls einen sich verengenden Querschnitt aufweist.In FIGS. 5 and 6 two embodiments are shown in which in Leiteinsteckrichtung before the conductor guide channel 5 on the clamping pocket 1, a guide portion 13 is formed, wherein the guide portion 13 also has a narrowing cross-section.

Bei der in Fig. 5 gezeigten Ausführungsform ist der Führungsabschnitt 13 einteilig mit der Bodenwand 3 der Klemmtasche 1 ausgebildet. Die Seitenwände 4a, 4b sind hingegen von dem Führungsabschnitt 13 getrennt. Der Führungsabschnitt 13 weist eine Grundfläche 14 auf, die in einer Ebene mit der Bodenwand 3 der Klemmtasche 1 liegt. An die Grundfläche 14 grenzen zwei sich gegenüberliegende Seitenflächen 15a, 15b an, die zu der Grundfläche 14 abgewinkelt sind, so dass auch der Führungsabschnitt 13 einen sich verengenden Querschnitt aufweist, welcher als eine Kombination einer U-Form und einer V-Form ausgebildet ist.At the in Fig. 5 In the embodiment shown, the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1. The side walls 4a, 4b are however, separated from the guide portion 13. The guide section 13 has a base surface 14 which lies in a plane with the bottom wall 3 of the clamping pocket 1. Adjacent to the base surface 14 are two opposite side surfaces 15a, 15b, which are angled towards the base surface 14, so that also the guide portion 13 has a narrowing cross section, which is formed as a combination of a U-shape and a V-shape.

Durch die Ausbildung eines Führungsabschnittes 13 kann die Anzahl der Einprägungen 7a, 7b pro Seitenwand 4a, 4b auf eine Einprägung 7b reduziert werden, wie dies in der in Fig. 5 gezeigten Ausführungsform dargestellt ist.By forming a guide section 13, the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b, as shown in FIG Fig. 5 shown embodiment is shown.

Bei der in Fig. 6 gezeigten Ausführungsform ist die Grundfläche 14 des Führungsabschnittes 13 einstückig mit der Bodenwand 3 der Klemmtasche 1 ausgebildet und auch die abgewinkelten Seitenflächen 15a, 15b sind einstückig mit den Seitenwänden 4a, 4b der Klemmtasche 1 ausgebildet. Ein Führungsabschnitt 13 weist hier die Form einer halben Einprägung auf. Auch hier kann durch die Ausbildung eines Führungsabschnittes 13 die Anzahl der Einprägungen 7a, 7b pro Seitenwand 4a, 4b auf eine Einprägung 7b reduziert werden.At the in Fig. 6 In the embodiment shown, the base surface 14 of the guide section 13 is formed integrally with the bottom wall 3 of the clamping pocket 1, and also the angled side surfaces 15a, 15b are integrally formed with the side walls 4a, 4b of the clamping pocket 1. A guide section 13 here has the shape of a half impression. Again, the number of impressions 7a, 7b per side wall 4a, 4b can be reduced to an impression 7b by the formation of a guide portion 13.

Fig. 7 zeigt eine Anschlussklemme mit einem Gehäuse 16, in welchem die Klemmtasche 1 zusammen mit den Klemmfedern 2 angeordnet ist. Das Gehäuse 16 ist hier scheibenförmig ausgebildet und weist zwei sich gegenüberliegende Leitereinführungsöffnungen 17, wobei der Führungsabschnitt 13 oder auch die Klemmtasche 1 selber in die Leitereinführungsöffnung 16 hineinragen, um ein Einführen und damit auch ein Klemmen eines Leiters 19, 20 in die Anschlussklemme zu erleichtern. Fig. 7 shows a terminal with a housing 16 in which the clamping pocket 1 is arranged together with the clamping springs 2. The housing 16 is disk-shaped here and has two opposing conductor insertion openings 17, wherein the guide portion 13 or the clamping pocket 1 itself project into the conductor insertion opening 16 to an insertion and thus also to facilitate clamping of a conductor 19, 20 in the terminal.

Ferner weist das Gehäuse 16 an seiner Unterseite einen Rastfuß 18 auf, mit welchem das Gehäuse 16 und damit die Anschlussklemme auf einer Tragschiene aufgerastet werden kann. Die Anschlussklemme ist damit hier als eine Reihenklemme ausgebildet. Eine andere Verwendung der Anschlussklemme als eine Reihenklemme ist aber auch möglich.Further, the housing 16 on its underside a latching foot 18, with which the housing 16 and thus the terminal can be snapped onto a mounting rail. The terminal is thus designed here as a terminal block. Another use of the terminal as a terminal is also possible.

Fig. 8 zeigt eine Ausgestaltung, bei welcher zwei Leiter 19, 20 in der Anschlussklemme eingeführt und angeschlossen sind, indem jeweils der Klemmschenkel 8 einer Klemmfeder 2 einen Leiter 19, 20 gegen die Bodenwand 3 der Klemmtasche 1 drückt, wobei die Bodenwand 3 der Klemmtasche 1 hier die Funktion einer Stromschiene aufweist. Bezugszeichenliste Klemmtasche 1 Klemmfeder 2 Bodenwand 3 Seitenwand 4a, 4b Leiterführungskanal 5 Öffnung 6 Einprägung 7a, 7b Freies Ende 8 Bereich 9 Klemmfeder 10 Seitenwandabschnitt 11a', 11a", 11a', 11b" Aussparung 12a, 12b Führungsabschnitt 13 Grundfläche 14 Seitenfläche 15a, 15b Gehäuse 16 Leitereinführungsöffnung 17 Rastfuß 18 Leiter 19 Leiter 20 Fig. 8 shows an embodiment in which two conductors 19, 20 inserted and connected in the terminal by each of the clamping leg 8 of a clamping spring 2 a conductor 19, 20 presses against the bottom wall 3 of the clamping pocket 1, wherein the bottom wall 3 of the clamping pocket 1 here Has the function of a busbar. LIST OF REFERENCE NUMBERS glassine envelopes 1 clamping spring 2 bottom wall 3 Side wall 4a, 4b Wire management channel 5 opening 6 impressing 7a, 7b Free end 8th Area 9 clamping spring 10 Sidewall portion 11a ', 11a ", 11a', 11b" recess 12a, 12b guide section 13 Floor space 14 side surface 15a, 15b casing 16 Conductor insertion opening 17 Snap-on foot 18 ladder 19 ladder 20

Claims (5)

  1. Terminal, with
    a housing (16),
    a clamping pocket (1) which is arranged in the housing (16) and into which a conductor (19, 20) which is to be clamped can be inserted, and
    at least one clamping spring (10) projecting into the clamping pocket (1) for clamping the inserted conductor (19, 20) in the clamping pocket (1),
    wherein the clamping pocket (1) has a bottom wall (3) and two opposite side walls (4a, 4b) which extend away from the bottom wall (3) and form a conductor guide channel (5),
    wherein the conductor guide channel (5) has, at least in regions along its longitudinal direction, a cross section which narrows continuously in the direction of the bottom wall (3),
    characterized in that the continuously narrowing cross section of the conductor guide channel (5) is formed by at least two opposite impressions (7a, 7b) formed in a transition region between a side wall (4a, 4b) and the bottom wall (3), wherein more than one impression (7a, 7b) is formed per side wall (4a, 4b), wherein the impressions (7a, 7b) of a side wall (4a, 4b) are spaced apart from each other, wherein the cross section of the conductor guide channel (5) has a rectangular cross section in the region between two impressions (7a, 7b) formed on a side wall (4a, 4b), and therefore a free end (8) of the clamping spring (10) can move freely in the region of the rectangular cross section without touching one of the impressions (7a, 7b).
  2. Terminal, with
    a housing (16),
    a clamping pocket (1) which is arranged in the housing (16) and into which a conductor (19, 20) which is to be clamped can be inserted, and
    at least one clamping spring (10) projecting into the clamping pocket (1) for clamping the inserted conductor (19, 20) in the clamping pocket (1),
    wherein the clamping pocket (1) has a bottom wall (3) and two opposite side walls (4a, 4b) which extend away from the bottom wall (3) and form a conductor guide channel (5),
    wherein the conductor guide channel (5) has, at least in regions along its longitudinal direction, a cross section which narrows continuously in the direction of the bottom wall (3),
    characterized in that the continuously narrowing cross section of the conductor guide channel (5) extends over the entire length of the conductor guide channel (5), wherein the side walls (4a, 4b) each have a side wall portion (11a', 11b') which is adjacent to the bottom wall (3) and is formed at an inclination with respect to the bottom wall (3), wherein the side wall portions (11a', 11b') of the side walls (4a, 4b), which side wall portions are adjacent to the bottom wall (3), have at least two opposite recesses (12a, 12b) into which a free end (8) of a clamping limb (10) of the clamping spring (2) can be introduced.
  3. Terminal according to Claim 1 or 2, characterized in that the continuously narrowing cross section of the conductor guide channel (5) is formed from a V shape or a combination of a U shape and a V shape.
  4. Terminal according to one of Claims 1 to 3, characterized in that a guide portion (13) projecting into a conductor insertion opening (17) in the housing (16) is arranged on the clamping pocket (1) upstream of the conductor guide channel (5) in the conductor plug-in direction, wherein the guide portion (13) has a narrowing cross section.
  5. Terminal according to one of Claims 1 to 4, characterized in that the housing (16) has a latching foot (18) for fastening the terminal on a supporting rail.
EP14700605.0A 2013-01-17 2014-01-13 Terminal Active EP2946442B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013000713.5A DE102013000713A1 (en) 2013-01-17 2013-01-17 terminal
PCT/EP2014/050493 WO2014111346A1 (en) 2013-01-17 2014-01-13 Terminal clamp

Publications (2)

Publication Number Publication Date
EP2946442A1 EP2946442A1 (en) 2015-11-25
EP2946442B1 true EP2946442B1 (en) 2017-08-16

Family

ID=49989705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14700605.0A Active EP2946442B1 (en) 2013-01-17 2014-01-13 Terminal

Country Status (6)

Country Link
US (1) US9461373B2 (en)
EP (1) EP2946442B1 (en)
CN (1) CN105009371B (en)
DE (1) DE102013000713A1 (en)
ES (1) ES2642931T3 (en)
WO (1) WO2014111346A1 (en)

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CN108123231B (en) * 2017-12-10 2019-11-12 浙江越固电力科技有限公司 Connecting terminal
CN108110446B (en) * 2017-12-10 2019-12-10 东莞市轩业电子科技有限公司 Wire fixing terminal
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DE102018128431B4 (en) * 2018-11-13 2020-06-10 Phoenix Contact Gmbh & Co. Kg Terminal arrangement for connecting an electrical conductor
CN109637897B (en) * 2018-12-20 2022-05-31 广东求精电气有限公司 Clamping device of alternating current contactor
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Also Published As

Publication number Publication date
ES2642931T3 (en) 2017-11-20
CN105009371A (en) 2015-10-28
EP2946442A1 (en) 2015-11-25
DE102013000713A1 (en) 2014-07-17
WO2014111346A1 (en) 2014-07-24
US9461373B2 (en) 2016-10-04
US20150357726A1 (en) 2015-12-10
CN105009371B (en) 2017-12-19

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