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EP1217692A2 - Connecting terminal for electrical conductors - Google Patents

Connecting terminal for electrical conductors Download PDF

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Publication number
EP1217692A2
EP1217692A2 EP01129775A EP01129775A EP1217692A2 EP 1217692 A2 EP1217692 A2 EP 1217692A2 EP 01129775 A EP01129775 A EP 01129775A EP 01129775 A EP01129775 A EP 01129775A EP 1217692 A2 EP1217692 A2 EP 1217692A2
Authority
EP
European Patent Office
Prior art keywords
conductor
contact element
plug
opening
terminal according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01129775A
Other languages
German (de)
French (fr)
Other versions
EP1217692A3 (en
EP1217692B1 (en
Inventor
Klaus Dissel
Franz Kessler
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.)
Hager Electro GmbH and Co KG
Original Assignee
Hager Electro GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hager Electro GmbH and Co KG filed Critical Hager Electro GmbH and Co KG
Publication of EP1217692A2 publication Critical patent/EP1217692A2/en
Publication of EP1217692A3 publication Critical patent/EP1217692A3/en
Application granted granted Critical
Publication of EP1217692B1 publication Critical patent/EP1217692B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs
    • 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

Definitions

  • the invention relates to a terminal for electrical conductors, with one for guiding Force current provided contact element, one the conductor in electrical and mechanical Connection with the contact element, in the material of the material of the contact element various clamping spring and a the contact element and the clamping spring receiving insulating housing with an insertion opening for the conductor.
  • connection terminal with these features can be found in DE-PS 18 12 896.
  • Clamp spring is used a V-shaped leaf spring, which with a V-leg against Housing or the contact element abuts and with the other V-leg one through the Presses the insertion opening into the inserted conductor against the contact element, wherein the conductor lies along a contact line against the contact element.
  • the present invention has for its object a new terminal to create the type mentioned with improved contact security.
  • connection terminal which solves this problem is characterized in that that the contact element has a first profile section with a to the insertion opening aligned insertion opening and one of the first profile section in the insertion direction has angled second profile section, and that the clamping spring on a free End is connected to the contact element, itself in the arch above the first profile section extends and with the other free end through the plug opening to the conductor to press against the second profile section.
  • a connection terminal with such plug-in clamping devices is made possible by the fixed connection the clamping spring at a free end with the contact element and the leadership of other free end of the spring in the plug-in direction of the conductor through the plug-in opening of the contact element through the exercise of large, ensuring a high level of contact security Clamping forces.
  • the second profile section has a contact edge to form an almost punctiform contact between the conductor and the contact element on. This measure results in a high surface pressure. With extensive Contact of the conductor against the contact element would occur as a result of low surface pressure easily at the contact point for corrosion and finally to break the electrical connection of conductor and contact element.
  • the point of application is expediently located in a vertical projection onto the central longitudinal axis of the conductor the clamping spring on the conductor in the direction of insertion behind the contact edge.
  • the leader is thereby on a linear contact against the contact element before it touches the contact edge reached, hindered.
  • the clamping spring with the contact element connected to a third profile leg bent from the first profile leg, preferably riveted.
  • the clamping spring preferably has an angled direction at the other end the second profile section, through which one is provided for all the conductor cross sections provided almost punctiform and therefore reproducible power transmission from the clamping spring is secured on the conductor.
  • the edge of the plug opening is opposite to the plug direction arranged a tongue in front of the second profile section, which is a guide for the forms the front end of the conductor to be connected and thus introduces the conductor into the Plug opening easier.
  • the insertion opening on the insulating case is as that Conductor leading conductor channel, preferably with a constriction at the plug opening of the contact element facing end.
  • the insulating housing at the insertion opening for the conductor another opening aligned with the plug opening on the insulating housing for the introduction of a tool to loosen the clamping spring at an acute angle the electrical and mechanical connection of the conductor and contact element is provided.
  • This further opening is useful as a narrowing, holding the inserted tool Tool channel formed. While the tool, preferably a normal one Screwdriver, inserted in the plug channel and held there, it holds the Clamp spring away from the conductor so that the conductor is released and out of the plug opening and the insertion opening can be easily pulled out. Conversely, the Insert the ladder into the openings and into the clamping positions with little effort move. The clamp connection is then made by pulling the screwdriver. Due to the tool engaging the spring at an acute angle, large spring forces can be exerted be overcome, i.e. the connection terminal allows the use of strong, for Clamping conductors with a relatively large cross section of suitable springs.
  • connection terminal has a plurality of plug openings and clamping springs for the plug connection of several conductors on and from the second Profile section of the contact element extends at least one tongue, which in a clamping cage is guided, wherein the tongue, the clamping cage and one against the tongue, in a screw in the clamping cage rotatable clamping screw form. While the plug-in clamps with the springs for connecting conductors with Smaller cross-section can serve, the screw terminal devices leave the connection of conductors with a larger cross section.
  • the conductor channel and possibly the tool channel run in a projection extending from the insulating housing and has on it the End facing away from the plug opening has a radial opening.
  • the conductor channel is preferred open at the entrance end approximately half-sided to one side of the insulating housing, in which an access opening for the clamping screw is formed.
  • Such a channel which is half open at its entrance, forms the Terminal, in which the fitter on the housing side with the access opening looking for the clamp screw, an orientation to find the entrance opening, the half-open conductor channel then as a guide for a targeted introduction to a desired opening serves.
  • the conductor channel and the tool channel are to the axis of rotation the clamping screw inclined. Furthermore, the conductor channel and the tool channel are open a side of the insulating housing which is perpendicular to the housing side with the access opening arranged.
  • the conductor can thus advantageously be connected at an angle to the distribution box.
  • the tongue for the screw clamping device extends from the second profile section at least one tongue with an insertion opening for one leg of a connecting bridge for connecting the contact element with the contact element of another Terminal.
  • a connection strip can be made from several connection terminals, especially PE / N terminal block.
  • the insulating housing is preferably in several parts with a base part and one in the base part insertable and snap-in plug part. With the insertion of the plug part in the The base part is the unit comprising the contact element and the clamping springs in the Insulated housing included and fixed there. The conductor channel and the Tool channel formed in the plug part.
  • connection terminal 1 in the figures is an insulating plastic housing of a connection terminal designated.
  • the connection terminal is in the exemplary embodiment shown a module for the formation of a PE / N terminal.
  • This module can be connected via connector lugs 2 and 3 plugged onto a carrier strip and electrically, as below will be explained, with another such, arranged adjacent to the support bar Module.
  • the plastic housing 1 is in two parts with a housing part 4 and one on the housing part 4 detachable housing part 5 is formed.
  • lugs 6 and 7 which are visible in FIG. 4 snap into corresponding locking recesses 8 and 9 on the housing part 4.
  • FIGS. 6 and 7 Between the housing parts 4 and 5 is the unit shown separately in FIGS. 6 and 7 from a contact element 10 and clamping springs connected to the contact element 10 11 enclosed and fixed in the housing 1.
  • the contact element 10 engages in a Recess 40 in a housing wall 41 and also lies against an intermediate wall 42 of the housing 1.
  • the contact element 10 is a Part stamped out of copper sheet and then processed for further shaping a profile section 12, which is used for connection to the clamping springs 11, with the Contact element 10 each having a spring part 13 comprising three springs 11 is connected.
  • the single ones Springs 11 are formed by slots 14.
  • the profile section 12 of the contact element 10 is closed against the profile section 12 profile section 15 angled at approximately 60 °.
  • the contact element 10 is bent through approximately 120 ° and goes into a profile section with a part 16 which is parallel to the profile section 12 extends, and a part 20 which extends approximately perpendicular to the profile section 15.
  • the springs 11 have a bend 43.
  • Plug-in openings 17 each have a tongue 19 which is formed when the contact element 10 is bent as a result of lateral slits made from the plug openings 17 during punching stepping out.
  • the tongues 21 point towards the inside of the cage 22 Page a surface profiling 25.
  • the cage 22 is opposite to that Tongue 21 provided with a surface profile 39.
  • the spring parts 13 are riveted to the contact element 10 at three or two points, respectively rivet pins 26 protruding from the profile section 12 of the contact element 10 by press molding of the stamped copper sheet are formed.
  • each of the conductor channels 27 is a further channel 28 for inserting a tool, i.e. a screwdriver 29 (Fig. 3) assigned.
  • Both the conductor channel 27 and the tool channel 28 extend obliquely to one Outer wall 30 of the housing part 5.
  • the Channels 27, 28 partially in a protruding from the wall 30 of the housing part 5 a web 44 supported projection 31, in particular the conductor channel 27 on its projecting end is radially half open and the radial end opening one to the outer wall 30 facing vertical outer wall 50 of the housing 1.
  • each conductor channel 27 or each plug opening 17 such a seat is assigned.
  • conductor channels 27 and the tool channels there are also two in the housing part 5 conductor channels 35 aligned for the tongues 21 or the cages 22 for conductors with a larger one Cross section formed.
  • the cages 22 of the screw clamp connection mentioned above are by means of screws 36 movable, the rotation of the screws 36 in the outer wall 50 of the housing 1 Access openings 37 are formed.
  • plug openings 38 for inserting one leg of a connecting bridge for the electrical connection of Modules provided, which engages in the insertion opening 24 of the tongues 23.
  • connection terminal described with reference to FIGS. 1 to 7 is described below explained.
  • PE / N terminals installed in a distribution box of the terminal modules described in FIGS. 1 to 7 by means of the lugs 2 and 3 fastened on a carrier strip mechanically connecting the modules and the Modules electrically via connecting bridges engaging in the plug openings 24 and 38 connected with each other.
  • the plug-in clamping devices formed by the contact element 10 and the springs 11 can be used to connect conductors with cross sections of up to 4 mm 2 .
  • the end of the conductor 18 which is freed from insulation 39 is passed through one of the conductor channels 27, the end of the conductor first striking the protruding tongue 19 of the contact element 10, through which it is guided into the plug-in opening 17, in order to counteract the angled portion 43 thereof to compress the conductor 18 adjacent spring 11.
  • the end of the conductor finally reaches the seat 34. In this position, the conductor is pressed by the spring 11 against the contact edge 45 of the contact element 10, so that it only abuts against the contact element 10 at certain points while generating a high surface pressure.
  • the high surface pressure prevents corrosion and thereby ensures a low contact resistance between the conductor 18 and the contact element 10 over long periods of use.
  • the free end of the bend 43 is, in relation to the longitudinal axis of the conductor 18, in the direction of insertion seen, even with the smallest approved for use for the connection terminal Conductor cross-section still behind the contact edge 45.
  • This allows a line-shaped Contact of the conductor 18 against the Profilabismeeil 16 and the tongue 19 of the contact element Avoid 10.
  • Such a line or even planar contact of the conductor against the contact element would reduce the surface pressure in such a way that contact would result from corrosion between the conductor 18 and the contact element 10 after a relatively short time get lost.
  • the projection protruding from the wall 30 of the housing part 5 and extending the conductor channel 27 31 ensures a long, extending from the contact edge 45 to the inlet opening of the conductor channel 27 extending lever arm, which prevents that when force is applied the conductor 18 lifts off the contact edge 45 outside the connecting terminal of the conductor 18 and current inadmissibly flows only via the spring 11, which heat the spring and its would eliminate elasticity.
  • the intermediate webs form 32 a useful guide.
  • a guide is formed through which the conductor unerringly into the desired conductor channel can be introduced. It would only be conductor channel inlet openings opening towards the smooth outer wall 30 in the assembly position of the connection terminal within a PE / N strip for the fitter not visible and the insertion of a conductor into a desired opening accordingly difficult.
  • Screwdriver presses against the spring 11 at an acute angle and thereby raises the angle 43 with the free spring end of the conductor 18.
  • the leader can now be effortlessly pull out of the plug opening 17 and the conductor channel 27.
  • the opposite of the tongue 19 Edge of the plug opening 17 forms a stop for the spring 11 at 29, the one excessive compression of the spring 11 prevented by the screwdriver 29.
  • the Dimensions of the tool channel 28 are adapted to the screwdriver 29, so that this is held in the plug position shown in Fig. 3 in the channel.
  • the conductor 18 can be relatively despite the large clamping force push slightly into the plug position shown in Fig. 2 by bending the spring 11.
  • a conductor can also be connected to the terminal using the screwdriver 29 first brought into the position shown in Fig. 3, the conductor then through the Conductor channel 27 and the insertion opening 17 inserted into the housing 1 until it stops at the seat 34 and finally by pulling the screwdriver 29 the electrical and mechanical Plug connection is established.
  • a high clamping force holds the conductor in place so that it does not move to one place can on which the contact element is already corroded.

Landscapes

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

Abstract

Modules (10) fit next to each other in a row on a support block (1) and have connectors and an insulating case. A conductor rail section forms a conductor rail. Bridges connect conductor rail sections on the support block adjacent to the modules. The case and the support block have devices (5,6,25,26) for plugging a module into the support block crosswise to the lengthwise direction of the support block.

Description

Die Erfindung betrifft eine Anschlussklemme für elektrische Leiter, mit einem zur Führung von Kraftstrom vorgesehenen Kontaktelement, einer den Leiter in elektrischer und mechanischer Verbindung mit dem Kontaktelement haltenden, im Material von dem Material des Kontaktelements verschiedenen Klemmfeder und einem das Kontaktelement und die Klemmfeder aufnehmenden Isoliergehäuse mit einer Einführungsöffnung für den Leiter.The invention relates to a terminal for electrical conductors, with one for guiding Force current provided contact element, one the conductor in electrical and mechanical Connection with the contact element, in the material of the material of the contact element various clamping spring and a the contact element and the clamping spring receiving insulating housing with an insertion opening for the conductor.

Eine Anschlussklemme mit diesen Merkmalen geht aus der DE-PS 18 12 896 hervor. Als Klemmfeder dient eine V-förmig gebogene Blattfeder, die mit einem V-Schenkel gegen das Gehäuse oder das Kontaktelement anliegt und mit dem anderen V-Schenkel einen durch die Einführungsöffnung in das Gehäuse eingeführten Leiter gegen das Kontaktelement drückt, wobei der Leiter entlang einer Kontaktlinie gegen das Kontaktelement anliegt.A connection terminal with these features can be found in DE-PS 18 12 896. As Clamp spring is used a V-shaped leaf spring, which with a V-leg against Housing or the contact element abuts and with the other V-leg one through the Presses the insertion opening into the inserted conductor against the contact element, wherein the conductor lies along a contact line against the contact element.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine neue Anschlussklemme der eingangs erwähnten Art mit verbesserter Kontaktsicherheit zu schaffen.The present invention has for its object a new terminal to create the type mentioned with improved contact security.

Die diese Aufgabe lösende Anschlussklemme nach der Erfindung ist dadurch gekennzeichnet, dass das Kontaktelement einen ersten Profilabschnitt mit einer zu der Einführungsöffnung ausgerichteten Stecköffnung und einen von dem ersten Profilabschnitt in Steckrichtung abgewinkelten zweiten Profilabschnitt aufweist, und dass die Klemmfeder an einem freien Ende mit dem Kontaktelement verbunden ist, sich im Bogen über dem ersten Profilabschnitt erstreckt und mit dem anderen freien Ende durch die Stecköffnung geführt ist, um den Leiter gegen den zweiten Profilabschnitt anzudrücken. The connection terminal according to the invention which solves this problem is characterized in that that the contact element has a first profile section with a to the insertion opening aligned insertion opening and one of the first profile section in the insertion direction has angled second profile section, and that the clamping spring on a free End is connected to the contact element, itself in the arch above the first profile section extends and with the other free end through the plug opening to the conductor to press against the second profile section.

Eine Anschlussklemme mit solchen Steckklemmeinrichtungen ermöglicht durch die feste Verbindung der Klemmfeder an einem freien Ende mit dem Kontaktelement und die Führung des anderen freien Endes der Feder in Steckrichtung des Leiters durch die Stecköffnung des Kontaktelements hindurch die Ausübung großer, eine hohe Kontaktsicherheit gewährleistender Klemmkräfte.A connection terminal with such plug-in clamping devices is made possible by the fixed connection the clamping spring at a free end with the contact element and the leadership of other free end of the spring in the plug-in direction of the conductor through the plug-in opening of the contact element through the exercise of large, ensuring a high level of contact security Clamping forces.

In vorteilhafter Ausgestaltung der Erfindung weist der zweite Profilabschnitt eine Kontaktkante zur Bildung einer annähernd punktförmigen Kontaktierung zwischen Leiter und Kontaktelement auf. Durch diese Maßnahme wird eine hohe Flächenpressung erreicht. Bei flächenhafter Anlage des Leiters gegen das Kontaktelement käme es infolge geringer Flächenpressung an der Kontaktstelle leicht zur Korrosion und schließlich zur Aufhebung der elektrischen Verbindung von Leiter und Kontaktelement.In an advantageous embodiment of the invention, the second profile section has a contact edge to form an almost punctiform contact between the conductor and the contact element on. This measure results in a high surface pressure. With extensive Contact of the conductor against the contact element would occur as a result of low surface pressure easily at the contact point for corrosion and finally to break the electrical connection of conductor and contact element.

Zweckmäßig liegt, in senkrechter Projektion auf die Mittellängsachse des Leiters, der Angriffspunkt der Klemmfeder am Leiter in Steckrichtung hinter der Kontaktkante. Der Leiter ist dadurch an einer linienförmigen Anlage gegen das Kontaktelement, bevor er die Kontaktkante erreicht, gehindert.The point of application is expediently located in a vertical projection onto the central longitudinal axis of the conductor the clamping spring on the conductor in the direction of insertion behind the contact edge. The leader is thereby on a linear contact against the contact element before it touches the contact edge reached, hindered.

In der bevorzugten Ausführungsform der Erfindung ist die Klemmfeder mit dem Kontaktelement an einem von dem ersten Profilschenkel abgebogenen dritten Profilschenkel verbunden, vorzugsweise vernietet.In the preferred embodiment of the invention, the clamping spring with the contact element connected to a third profile leg bent from the first profile leg, preferably riveted.

Vorzugsweise weist die Klemmfeder an dem anderen Ende eine Abwinklung in Richtung zu dem zweiten Profilabschnitt auf, durch die bei allen vorgesehenen Leiterquerschnitten eine annähernd punktförmige und dadurch reproduzierbare Kraftübertragung von der Klemmfeder auf den Leiter gesichert ist.The clamping spring preferably has an angled direction at the other end the second profile section, through which one is provided for all the conductor cross sections provided almost punctiform and therefore reproducible power transmission from the clamping spring is secured on the conductor.

In der bevorzugten Ausführungsform steht vom Rand der Stecköffnung entgegen der Steckrichtung angerichtet zu dem zweiten Profilabschnitt eine Zunge vor, die eine Führung für das vordere Ende des anzuschließenden Leiters bildet und so die Einführung des Leiters in die Stecköffnung erleichtert.In the preferred embodiment, the edge of the plug opening is opposite to the plug direction arranged a tongue in front of the second profile section, which is a guide for the forms the front end of the conductor to be connected and thus introduces the conductor into the Plug opening easier.

In der bevorzugten Ausführungsform ist die Einführungsöffnung am Isoliergehäuse als das Leiterende führender Leiterkanal, vorzugsweise mit einer Verengung an seinem der Stecköffnung des Kontaktelements zugewandten Ende, ausgebildet. In the preferred embodiment, the insertion opening on the insulating case is as that Conductor leading conductor channel, preferably with a constriction at the plug opening of the contact element facing end.

In der bevorzugten Ausführungsform ist ferner am Isoliergehäuse bei der Einführungsöffnung für den Leiter eine weitere zu der Stecköffnung am Isoliergehäuse ausgerichtete Öffnung für die Einführung eines an der Klemmfeder im spitzen Winkel angreifenden Werkzeugs zum Lösen der elektrischen und mechanischen Verbindung von Leiter und Kontaktelement vorgesehen. Diese weitere Öffnung ist zweckmäßig als sich verengender, das eingesteckte Werkzeug festhaltender Werkzeugkanal ausgebildet. Während das Werkzeug, vorzugsweise ein normaler Schraubendreher, in den Steckkanal eingesteckt und dort festgehalten ist, hält es die Klemmfeder von dem Leiter fern, so dass der Leiter freigegeben ist und aus der Stecköffnung und der Einführungsöffnung leicht herausgezogen werden kann. Umgekehrt lässt sich der Leiter ohne großen Kraftaufwand in die Öffnungen einführen und in die Klemmpositionen verschieben. Mit dem Ziehen des Schraubendrehers wird dann die Klemmverbindung hergestellt. Durch das im spitzen Winkel an der Feder angreifende Werkzeug können große Federkräfte überwunden werden, d.h. die Anschlussklemme erlaubt den Einsatz starker, zum Anklemmen von Leitern mit verhältnismäßig großem Querschnitt geeigneter Federn.In the preferred embodiment is also on the insulating housing at the insertion opening for the conductor another opening aligned with the plug opening on the insulating housing for the introduction of a tool to loosen the clamping spring at an acute angle the electrical and mechanical connection of the conductor and contact element is provided. This further opening is useful as a narrowing, holding the inserted tool Tool channel formed. While the tool, preferably a normal one Screwdriver, inserted in the plug channel and held there, it holds the Clamp spring away from the conductor so that the conductor is released and out of the plug opening and the insertion opening can be easily pulled out. Conversely, the Insert the ladder into the openings and into the clamping positions with little effort move. The clamp connection is then made by pulling the screwdriver. Due to the tool engaging the spring at an acute angle, large spring forces can be exerted be overcome, i.e. the connection terminal allows the use of strong, for Clamping conductors with a relatively large cross section of suitable springs.

In der bevorzugten Ausführungsform der Erfindung weist die Anschlussklemme mehrere Stecköffnungen und Klemmfedem für den Steckanschluß mehrerer Leiter auf und von dem zweiten Profilabschnitt des Kontaktelements erstreckt sich wenigstens eine Zunge, die in einen Klemmkäfig geführt ist, wobei die Zunge, der Klemmkäfig und eine gegen die Zunge anliegende, in einem Gewinde im Klemmkäfig drehbare Klemmschraube eine Schraubklemmeinrichtung bilden. Während die Steckklemmeinrichtungen mit den Federn zum Anschluß von Leitern mit kleinerem Querschnitt dienen können, lassen die Schraubklemmeinrichtungen den Anschluß von Leitern mit größerem Querschnitt zu.In the preferred embodiment of the invention, the connection terminal has a plurality of plug openings and clamping springs for the plug connection of several conductors on and from the second Profile section of the contact element extends at least one tongue, which in a clamping cage is guided, wherein the tongue, the clamping cage and one against the tongue, in a screw in the clamping cage rotatable clamping screw form. While the plug-in clamps with the springs for connecting conductors with Smaller cross-section can serve, the screw terminal devices leave the connection of conductors with a larger cross section.

In weiterer Ausgestaltung der Erfindung verläuft der Leiterkanal und ggf. der Werkzeugkanal in einem sich von dem Isoliergehäuse erstreckenden Vorsprung und weist an seinem der Stecköffnung abgewandten Ende eine radiale Öffnung auf. Vorzugsweise ist der Leiterkanal am Eingangsende etwa halbseitig zu einer Seite des Isoliergehäuses hin geöffnet, in welcher eine Zugangsöffnung für die Klemmschraube gebildet ist.In a further embodiment of the invention, the conductor channel and possibly the tool channel run in a projection extending from the insulating housing and has on it the End facing away from the plug opening has a radial opening. The conductor channel is preferred open at the entrance end approximately half-sided to one side of the insulating housing, in which an access opening for the clamping screw is formed.

Ein solcher, an seinem Eingang halb offener Kanal bildet in einer Montagestellung der Anschlussklemme, in welcher der Monteur auf die genannte Gehäuseseite mit der Zugangsöffnung für die Klemmschraube blickt, eine Orientierung, um die Eingangsöffnung zu finden, wobei der halb offene Leiterkanal dann als Führung zur zielsicheren Einführung in eine gewünschte Öffnung dient. Such a channel, which is half open at its entrance, forms the Terminal, in which the fitter on the housing side with the access opening looking for the clamp screw, an orientation to find the entrance opening, the half-open conductor channel then as a guide for a targeted introduction to a desired opening serves.

Der Leiterkanal und der Werkzeugkanal sind in einer Ausführungsform der Erfindung zur Drehachse der Klemmschraube geneigt. Ferner sind der Leiterkanal und der Werkzeugkanal auf einer zu der Gehäuseseite mit der Zugangsöffnung senkrechten Seite des Isoliergehäuses angeordnet. Bei Verwendung der Anschlussklemme zur Bildung einer PE/N-Klemme eines Verteilers kann so der Anschluß des Leiters vorteilhaft schräg zum Verteilerkasten erfolgen.In one embodiment of the invention, the conductor channel and the tool channel are to the axis of rotation the clamping screw inclined. Furthermore, the conductor channel and the tool channel are open a side of the insulating housing which is perpendicular to the housing side with the access opening arranged. When using the connection terminal to form a PE / N terminal of a distributor the conductor can thus advantageously be connected at an angle to the distribution box.

Von dem zweiten Profilabschnitt erstreckt sich neben der Zunge für die Schraubklemmeinrichtung wenigstens eine Zunge mit einer Stecköffnung für einen Schenkel einer Verbindungsbrücke zur Verbindung des Kontaktelements mit dem Kontaktelement einer weiteren Anschlussklemme. Auf diese Weise kann aus mehreren Anschlussklemmen eine Anschlussleiste, insbesondere PE/N-Anschlussleiste, gebildet werden.The tongue for the screw clamping device extends from the second profile section at least one tongue with an insertion opening for one leg of a connecting bridge for connecting the contact element with the contact element of another Terminal. In this way, a connection strip can be made from several connection terminals, especially PE / N terminal block.

Das Isoliergehäuse ist vorzugsweise mehrteilig mit einem Basisteil und einem in das Basisteil einsteck- und einrastbaren Steckteil ausgebildet. Mit dem Einstecken des Steckteils in das Basisteil wird die das Kontaktelement und die Klemmfedern umfassende Baueinheit in dem Isoliergehäuse eingeschlossen und dort festgelegt. Zweckmäßig sind der Leiterkanal und der Werkzeugkanal in dem Steckteil ausgebildet.The insulating housing is preferably in several parts with a base part and one in the base part insertable and snap-in plug part. With the insertion of the plug part in the The base part is the unit comprising the contact element and the clamping springs in the Insulated housing included and fixed there. The conductor channel and the Tool channel formed in the plug part.

Die Erfindung soll nun anhand eines Ausführungsbeispiels und der beiliegenden, sich auf dieses Ausführungsbeispiel beziehenden Zeichnungen näher erläutert werden. Es zeigen:

Fig. 1
eine erfindungsgemäße Anschlussklemme in einer Seitenansicht,
Fig. 2
die Anschlussklemme von Fig. 1 gemäß Schnitt V-V von Fig. 1,
Fig. 3
die Anschlussklemme von Fig. 1 gemäß Schnitt A-A von Fig. 1,
Fig. 4
die Anschlussklemme von Fig. 1 gemäß Schnitt Y-Y von Fig. 1,
Fig. 5
die Anschlussklemme von Fig. 1 in einer perspektivischen Ansicht, und
Fig. 6 und 7
ein in der Anschlussklemme von Fig. 1 bis 5 verwendetes Kontaktelement mit Klemmfedern.
The invention will now be explained in more detail using an exemplary embodiment and the accompanying drawings relating to this exemplary embodiment. Show it:
Fig. 1
a terminal according to the invention in a side view,
Fig. 2
1 according to section VV of Fig. 1,
Fig. 3
1 according to section AA of FIG. 1,
Fig. 4
1 according to section YY of FIG. 1,
Fig. 5
1 in a perspective view, and
6 and 7
a in the terminal of Fig. 1 to 5 used contact element with clamping springs.

Mit dem Bezugszeichen 1 ist in den Figuren ein isolierendes Kunststoffgehäuse einer Anschlussklemme bezeichnet. Bei der Anschlussklemme handelt es sich in dem gezeigten Ausführungsbeispiel um einen Modul für die Bildung einer PE/N-Klemme. Dieser Modul kann über Steckverbindungsnasen 2 und 3 auf eine Trägerleiste aufgesteckt und elektrisch, wie weiter unten noch erläutert wird, mit einem weiteren derartigen, auf der Trägerleiste benachbart angeordneten Modul verbunden werden. Reference number 1 in the figures is an insulating plastic housing of a connection terminal designated. The connection terminal is in the exemplary embodiment shown a module for the formation of a PE / N terminal. This module can be connected via connector lugs 2 and 3 plugged onto a carrier strip and electrically, as below will be explained, with another such, arranged adjacent to the support bar Module.

Das Kunststoffgehäuse 1 ist zweiteilig mit einem Gehäuseteil 4 und einem auf den Gehäuseteil 4 aufsteckbaren Gehäuseteil 5 ausgebildet. Beim Aufstecken des Gehäuseteils 5 auf den Gehäuseteil 4 rasten in Fig. 4 sichtbare Nasen 6 und 7 in entsprechende Rastausnehmungen 8 und 9 an dem Gehäuseteil 4 ein.The plastic housing 1 is in two parts with a housing part 4 and one on the housing part 4 detachable housing part 5 is formed. When plugging the housing part 5 on the 4, lugs 6 and 7 which are visible in FIG. 4 snap into corresponding locking recesses 8 and 9 on the housing part 4.

Zwischen den Gehäuseteilen 4 und 5 ist die in Fig. 6 und 7 gesondert dargestellte Baueinheit aus einem Kontaktelement 10 und mit dem Kontaktelement 10 verbundenen Klemmfedern 11 eingeschlossen und in dem Gehäuse 1 festgelegt. Das Kontaktelement 10 greift in eine Ausnehmung 40 in einer Gehäusewand 41 ein und liegt ferner gegen eine Zwischenwand 42 des Gehäuses 1 an.Between the housing parts 4 and 5 is the unit shown separately in FIGS. 6 and 7 from a contact element 10 and clamping springs connected to the contact element 10 11 enclosed and fixed in the housing 1. The contact element 10 engages in a Recess 40 in a housing wall 41 and also lies against an intermediate wall 42 of the housing 1.

Bei dem Kontaktelement 10 handelt es sich in dem gezeigten Ausführungsbeispiel um ein aus Kupferblech ausgestanztes und anschließend zur weiteren Formung bearbeitetes Bauteil mit einem Profilabschnitt 12, der zur Verbindung mit den Klemmfedern 11 dient, wobei mit dem Kontaktelement 10 jeweils ein drei Federn 11 umfassendes Federteil 13 verbunden ist. Die einzelnen Federn 11 werden durch Einschlitzungen 14 gebildet.In the exemplary embodiment shown, the contact element 10 is a Part stamped out of copper sheet and then processed for further shaping a profile section 12, which is used for connection to the clamping springs 11, with the Contact element 10 each having a spring part 13 comprising three springs 11 is connected. The single ones Springs 11 are formed by slots 14.

An den Profilabschnitt 12 des Kontaktelements 10 schließt sich ein gegen den Profilabschnitt 12 etwa um 60° abgewinkelter Profilabschnitt 15 an. An dem dem Profilabschnitt 12 abgewandten Ende des Profilabschnitts 15 ist das Kontaktelement 10 um etwa 120° abgebogen und geht in einen Profilabschnitt mit einem Teil 16, der sich parallel zu dem Profilabschnitt 12 erstreckt, und einem Teil 20, der sich etwa senkrecht zu dem Profilabschnitt 15 erstreckt, über.The profile section 12 of the contact element 10 is closed against the profile section 12 profile section 15 angled at approximately 60 °. On the profile section 12 facing away At the end of the profile section 15, the contact element 10 is bent through approximately 120 ° and goes into a profile section with a part 16 which is parallel to the profile section 12 extends, and a part 20 which extends approximately perpendicular to the profile section 15.

In dem Profilabschnitt 15 sind in dem gezeigten Ausführungsbeispiel acht Stecköffnungen 17 für je einen Leiter 18 gebildet. An ihrem durch die Stecköffnung 17 geführten bzw. führbaren Ende weisen die Federn 11 eine Abwinklung 43 auf.In the exemplary embodiment shown, there are eight plug openings 17 in the profile section 15 formed for one conductor 18 each. On her guided or feasible through the insertion opening 17 At the end, the springs 11 have a bend 43.

In Verlängerung des Profilabschnitteils 16 erstreckt sich entgegen der Steckrichtung von den Stecköffnungen 17 jeweils eine Zunge 19, die bei der Biegeformung des Kontaktelements 10 infolge beim Stanzen hergestellter seitlicher Einschlitzungen aus den Stecköffnungen 17 heraustreten.In an extension of the section section 16 extends from the opposite direction of insertion Plug-in openings 17 each have a tongue 19 which is formed when the contact element 10 is bent as a result of lateral slits made from the plug openings 17 during punching stepping out.

Zwischen dem Profilabschnitt 16 und dem sich daran anschließenden Profilabschnitteil 20 ist eine Kontaktkante 45 gebildet.Is between the profile section 16 and the adjoining section 20 section a contact edge 45 is formed.

Von dem dem Profilabschnitt 15 abgewandten Ende des Profilabschnitteil 20 erstrecken sich zwei Zungen 21 zum jeweiligen Eingriff in einen Käfig 22 einer Schraubklemmeinrichtung sowie Zungen 23 mit einer Stecköffnung 24 für den Eingriff einer Verbindungsbrücke zur elektrischen Verbindung zweier Anschlussklemmen-Module.Extend from the end of the profile section part 20 facing away from the profile section 15 two tongues 21 for the respective engagement in a cage 22 of a screw clamping device and Tongues 23 with a plug opening 24 for engaging a connecting bridge for electrical Connection of two connection terminal modules.

Wie Fig. 7 zu entnehmen ist, weisen die Zungen 21 auf einer dem Inneren des Käfigs 22 zugewandten Seite eine Oberflächeprofilierung 25 auf. Der Käfig 22 ist gegenüberliegend zu der Zunge 21 mit einer Oberflächenprofilierung 39 versehen.As can be seen in FIG. 7, the tongues 21 point towards the inside of the cage 22 Page a surface profiling 25. The cage 22 is opposite to that Tongue 21 provided with a surface profile 39.

Die Federteile 13 sind mit dem Kontaktelement 10 an drei bzw. zwei Stellen vernietet, wobei von dem Profilabschnitt 12 des Kontaktelements 10 vorstehende Nietzapfen 26 durch Pressformung des Kupferblechstanzteils gebildet sind.The spring parts 13 are riveted to the contact element 10 at three or two points, respectively rivet pins 26 protruding from the profile section 12 of the contact element 10 by press molding of the stamped copper sheet are formed.

In dem Gehäuseteil 5 des Kunststoffgehäuses 1 sind, jeweils ausgerichtet zu einer der Öffnungen 17 in dem Kontaktelement 10, Leiterkanäle 27 gebildet, die an ihrem dem Kontaktelement 10 zugewandten Ende verengt sind. Jedem der Leiterkanäle 27 ist ein weiterer Kanal 28 zum Einführen eines Werkzeugs, d.h. eines Schraubendrehers 29 (Fig. 3), zugeordnet.Are in the housing part 5 of the plastic housing 1, each aligned to one of the openings 17 in the contact element 10, conductor channels 27 formed on the contact element 10 facing ends are narrowed. Each of the conductor channels 27 is a further channel 28 for inserting a tool, i.e. a screwdriver 29 (Fig. 3) assigned.

Sowohl der Leiterkanal 27 als auch der Werkzeugkanal 28 erstrecken sich schräg zu einer Außenwand 30 des Gehäuseteils 5. Wie den Figuren ferner zu entnehmen ist, verlaufen die Kanäle 27,28 teilweise in einem von der Wand 30 des Gehäuseteils 5 abstehenden, durch einen Steg 44 abgestützten Vorsprung 31, wobei insbesondere der Leiterkanal 27 an seinem vorspringenden Ende radial halb geöffnet ist und die radiale Endöffnung einer zu der Außenwand 30 senkrechten Außenwand 50 des Gehäuses 1 zugewandt ist.Both the conductor channel 27 and the tool channel 28 extend obliquely to one Outer wall 30 of the housing part 5. As can also be seen from the figures, the Channels 27, 28 partially in a protruding from the wall 30 of the housing part 5 a web 44 supported projection 31, in particular the conductor channel 27 on its projecting end is radially half open and the radial end opening one to the outer wall 30 facing vertical outer wall 50 of the housing 1.

Wie insbesondere aus Fig. 5 hervorgeht, sind auf der Außenseite des Gehäuses 1 die einzelnen Leiterkanäle 27 und Werkzeugkanäle 28 trennende Zwischenstege 32 vorgesehen, welche Führungen bilden, die die Einführung von Leitern 18 in einen der Kanäle 27 bzw. die Einführung des Werkzeugs 29 in einen der Kanäle 28 erleichtern.5, the individual are on the outside of the housing 1 Intermediate webs 32 separating conductor channels 27 and tool channels 28 are provided, which Form guides that introduce the conductors 18 into one of the channels 27 or the introduction of the tool 29 into one of the channels 28.

In einer durch den Gehäuseteil 4 gebildeten Zwischenwand 33 des Gehäuses 1 ist bei 34 ein Sitz für das Ende des Leiters 18 gebildet, wobei jedem Leiterkanal 27 bzw. jeder Stecköffnung 17 ein solcher Sitz zugeordnet ist.In an intermediate wall 33 of the housing 1 formed by the housing part 4 is at 34 Seat for the end of the conductor 18 is formed, each conductor channel 27 or each plug opening 17 such a seat is assigned.

In dem Gehäuseteil 5 sind neben den Leiterkanälen 27 und den Werkzeugkanälen ferner zwei zu den Zungen 21 bzw. zu den Käfigen 22 ausgerichtete Leiterkanäle 35 für Leiter mit größerem Querschnitt gebildet. In addition to the conductor channels 27 and the tool channels, there are also two in the housing part 5 conductor channels 35 aligned for the tongues 21 or the cages 22 for conductors with a larger one Cross section formed.

Die Käfige 22 der obengenannten Schraubklemmverbindung sind mittels Schrauben 36 bewegbar, wobei zur Drehung der Schrauben 36 in der Außenwand 50 des Gehäuses 1 Zugangsöffnungen 37 gebildet sind.The cages 22 of the screw clamp connection mentioned above are by means of screws 36 movable, the rotation of the screws 36 in the outer wall 50 of the housing 1 Access openings 37 are formed.

An einander gegenüberliegenden Enden des Gehäuseteils 4 sind ferner Stecköffnungen 38 zum Einstecken eines Schenkels einer Verbindungsbrücke zur elektrischen Verbindung von Modulen vorgesehen, der in die Stecköffnung 24 der Zungen 23 eingreift.At opposite ends of the housing part 4 there are also plug openings 38 for inserting one leg of a connecting bridge for the electrical connection of Modules provided, which engages in the insertion opening 24 of the tongues 23.

Im folgenden wird die Funktionsweise der anhand der Fig. 1 bis 7 beschriebenen Anschlussklemme erläutert.The mode of operation of the connection terminal described with reference to FIGS. 1 to 7 is described below explained.

Zur Herstellung einer z.B. in einem Verteilerkasten installierten PE/N-Klemme werden mehrere der in den Fig. 1 bis 7 beschriebenen Anschlussklemmen-Module mittels der Stecknasen 2 und 3 auf einer die Module mechanisch miteinander verbindenden Trägerleiste befestigt und die Module elektrisch über in die Stecköffnungen 24 und 38 eingreifenden Verbindungsbrücken miteinander verbunden.For the production of e.g. There are several PE / N terminals installed in a distribution box of the terminal modules described in FIGS. 1 to 7 by means of the lugs 2 and 3 fastened on a carrier strip mechanically connecting the modules and the Modules electrically via connecting bridges engaging in the plug openings 24 and 38 connected with each other.

An die Klemme können nun Leiter mit unterschiedlichem Querschnitt angeschlossen werden, wobei für Leiter mit sehr großem Querschnitt die je einen Klemmkäfig 22 und eine Schraube 36 umfassenden Schraubenklemmeinrichtung verwendet werden. Die betreffenden Leiter werden durch einen der Leiterkanäle 35 hindurch eingeführt und zwischen der Zunge 21 und dem dieser gegenüberliegenden Schenkel des Käfigs 22 verklemmt, indem der Schenkel durch Drehung der Schraube 36 an die Zunge 21 unter Einschluß des Leiterendes herangezogen wird.Now conductors with different cross-sections can be connected to the terminal, for conductors with a very large cross-section each have a clamping cage 22 and a screw 36 comprehensive screw clamping device can be used. The leaders concerned are inserted through one of the conductor channels 35 and between the tongue 21 and the opposite leg of the cage 22 jammed by the leg by turning the screw 36 to the tongue 21 including the conductor end becomes.

Zum Anschluß von Leitern mit Querschnitten bis zu 4 mm2 können die durch das Kontaktelement 10 und die Federn 11 gebildeten Steckklemmeinrichtungen verwendet werden. Das von einer Isolierung 39 befreite Ende des Leiters 18 wird durch einen der Leiterkanäle 27 hindurchgeführt, wobei das Leiterende zunächst auf der vorstehenden Zunge 19 des Kontaktelements 10 auftrifft, durch die es in die Stecköffnung 17 geleitet wird, um dabei die mit ihrer Abwinklung 43 gegen den Leiter 18 anliegende Feder 11 zusammenzudrücken. Das Leiterende erreicht schließlich den Sitz 34. In dieser Position wird der Leiter durch die Feder 11 gegen die Kontaktkante 45 des Kontaktelements 10 gedrückt, so dass er unter Erzeugung einer hohen Flächenpressung nur etwa punktweise gegen das Kontaktelement 10 anliegt. Die hohe Flächenpressung verhindert Korrosion und stellt dadurch über lange Nutzungszeiträume einen geringen Übergangswiderstand zwischen dem Leiter 18 und dem Kontaktelement 10 sicher. The plug-in clamping devices formed by the contact element 10 and the springs 11 can be used to connect conductors with cross sections of up to 4 mm 2 . The end of the conductor 18 which is freed from insulation 39 is passed through one of the conductor channels 27, the end of the conductor first striking the protruding tongue 19 of the contact element 10, through which it is guided into the plug-in opening 17, in order to counteract the angled portion 43 thereof to compress the conductor 18 adjacent spring 11. The end of the conductor finally reaches the seat 34. In this position, the conductor is pressed by the spring 11 against the contact edge 45 of the contact element 10, so that it only abuts against the contact element 10 at certain points while generating a high surface pressure. The high surface pressure prevents corrosion and thereby ensures a low contact resistance between the conductor 18 and the contact element 10 over long periods of use.

Das freie Ende der Abwinklung 43 liegt, bezogen auf die Längsachse des Leiters 18, in Steckrichtung gesehen, auch bei dem kleinsten für die Anschlussklemme zur Verwendung zugelassenen Leiterquerschnitt noch hinter der Kontaktkante 45. Dadurch lässt sich eine linienförmige Anlage des Leiters 18 gegen den Profilabschnitteil 16 und die Zunge 19 des Kontaktelements 10 vermeiden. Eine solche linien- oder sogar flächenhafte Anlage des Leiters gegen das Kontaktelement würde die Flächenpressung derart mindern, dass durch Korrosion der Kontakt zwischen dem Leiter 18 und dem Kontaktelement 10 schon nach verhältnismäßig kurzer Zeit verlorengeht.The free end of the bend 43 is, in relation to the longitudinal axis of the conductor 18, in the direction of insertion seen, even with the smallest approved for use for the connection terminal Conductor cross-section still behind the contact edge 45. This allows a line-shaped Contact of the conductor 18 against the Profilabschnitteil 16 and the tongue 19 of the contact element Avoid 10. Such a line or even planar contact of the conductor against the contact element would reduce the surface pressure in such a way that contact would result from corrosion between the conductor 18 and the contact element 10 after a relatively short time get lost.

Der von der Wand 30 des Gehäuseteils 5 abstehende, den Leiterkanal 27 verlängernde Vorsprung 31 sorgt für einen langen, sich von der Kontaktkante 45 bis zur Eintrittsöffnung des Leiterkanals 27 erstreckenden Hebelarm, welcher verhindert, dass sich bei Krafteinwirkungen auf den Leiter 18 außerhalb der Anschlussklemme der Leiter 18 von der Kontaktkante 45 abhebt und Strom unzulässigerweise nur noch über die Feder 11 fließt, der die Feder erhitzen und ihre Elastizität aufheben würde.The projection protruding from the wall 30 of the housing part 5 and extending the conductor channel 27 31 ensures a long, extending from the contact edge 45 to the inlet opening of the conductor channel 27 extending lever arm, which prevents that when force is applied the conductor 18 lifts off the contact edge 45 outside the connecting terminal of the conductor 18 and current inadmissibly flows only via the spring 11, which heat the spring and its Would eliminate elasticity.

Beim Suchen der Eintrittsöffnung für einen anzuschließenden Leiter bilden die Zwischenstege 32 eine nützliche Führung. Ferner ist durch die Gestaltung der Eintrittsöffnung des Leiterkanals mit einer radialen, z.B. halbseitigen Öffnung, auf welche der Monteur bei Anschlussarbeiten blickt, eine Führung gebildet, durch die der Leiter zielsicher in den gewünschten Leiterkanal einführbar ist. Nur zur glatten Außenwand 30 hin öffnende Leiterkanaleintrittsöffnungen wären in der Montagestellung der Anschlussklemme innerhalb einer PE/N-Leiste für den Monteur nicht sichtbar und die Einführung eines Leiters in eine gewünschte Öffnung entsprechend schwierig.When looking for the entry opening for a conductor to be connected, the intermediate webs form 32 a useful guide. Furthermore, the design of the inlet opening of the conductor channel with a radial, e.g. half-sided opening, on which the fitter during connection work looks, a guide is formed through which the conductor unerringly into the desired conductor channel can be introduced. It would only be conductor channel inlet openings opening towards the smooth outer wall 30 in the assembly position of the connection terminal within a PE / N strip for the fitter not visible and the insertion of a conductor into a desired opening accordingly difficult.

Ein zur Lösung der Steckklemmverbindung verwendeter, in den Werkzeugkanal 28 eingeführter Schraubendreher drückt im spitzen Winkel gegen die Feder 11 und hebt dabei die Abwinklung 43 mit dem freien Federende von dem Leiter 18 ab. Der Leiter lässt sich nun mühelos aus der Stecköffnung 17 und dem Leiterkanal 27 herausziehen. Der der Zunge 19 gegenüberliegende Rand der Stecköffnung 17 bildet bei 29 einen Anschlag für die Feder 11, der ein übermäßiges Zusammendrücken der Feder 11 durch den Schraubendreher 29 verhindert. Die Abmessungen des Werkzeugkanals 28 sind an den Schraubendreher 29 angepaßt, so dass dieser in der in Fig. 3 gezeigten Steckposition in dem Kanal festgehalten wird.A used to solve the plug-in connection inserted into the tool channel 28 Screwdriver presses against the spring 11 at an acute angle and thereby raises the angle 43 with the free spring end of the conductor 18. The leader can now be effortlessly pull out of the plug opening 17 and the conductor channel 27. The opposite of the tongue 19 Edge of the plug opening 17 forms a stop for the spring 11 at 29, the one excessive compression of the spring 11 prevented by the screwdriver 29. The Dimensions of the tool channel 28 are adapted to the screwdriver 29, so that this is held in the plug position shown in Fig. 3 in the channel.

Durch den spitzen Winkel zur Feder 11 läßt sich der Leiter 18 trotz großer Klemmkraft verhältnismäßig leicht unter Verbiegung der Feder 11 in die in Fig. 2 gezeigte Steckposition vorschieben. Due to the acute angle to the spring 11, the conductor 18 can be relatively despite the large clamping force push slightly into the plug position shown in Fig. 2 by bending the spring 11.

Der Anschluß eines Leiters an die Klemme kann jedoch auch so erfolgen, dass der Schraubendreher 29 zunächst in die in Fig. 3 gezeigte Position gebracht, der Leiter dann durch den Leiterkanal 27 und die Stecköffnung 17 bis zum Anschlag am Sitz 34 in das Gehäuse 1 eingeführt und durch Ziehen des Schraubendrehers 29 schließlich die elektrische und mechanische Steckverbindung hergestellt wird.However, a conductor can also be connected to the terminal using the screwdriver 29 first brought into the position shown in Fig. 3, the conductor then through the Conductor channel 27 and the insertion opening 17 inserted into the housing 1 until it stops at the seat 34 and finally by pulling the screwdriver 29 the electrical and mechanical Plug connection is established.

Eine hohe Klemmkraft hält den Leiter an Ort und Stelle, so dass er sich nicht an eine Stelle verschieben kann, an welcher das Kontaktelement bereits korrodiert ist.A high clamping force holds the conductor in place so that it does not move to one place can on which the contact element is already corroded.

Claims (16)

Anschlussklemme für elektrische Leiter, mit einem zur Führung von Kraftstrom vorgesehenem Kontaktelement (10), einer den Leiter (18) in elektrischer und mechanischer Verbindung mit dem Kontaktelement (10) haltenden, im Material von dem Material des Kontaktelements verschiedenen Klemmfeder (11) und einem das Kontaktelement (10) und die Klemmfeder (11) aufnehmenden Isoliergehäuse (1) mit einer Einführungsöffnung (27) für den Leiter (18),
dadurch gekennzeichnet, dass das Kontaktelement (10) einen ersten Profilabschnitt (15) mit einer zu der Einführungsöffnung (27) ausgerichteten Stecköffnung (17) und einen von dem ersten Profilabschnitt in Steckrichtung abgewinkelten zweiten Profilabschnitt (16,20) aufweist, und dass die Klemmfeder (11) an einem freien Ende mit dem Kontaktelement (10) verbunden, sich im Bogen über dem ersten Profilabschnitt erstreckt und mit dem anderen freien Ende durch die Stecköffnung (17) geführt ist, um den Leiter (18) gegen den zweiten Profilabschnitt (16,20) anzudrücken.Terminal for electrical conductors, with a contact element (10) provided for guiding power current, a clamping spring (11) which holds the conductor (18) in electrical and mechanical connection with the contact element (10) and is different in material from the material of the contact element the insulating element (1) receiving the contact element (10) and the clamping spring (11) and having an insertion opening (27) for the conductor (18),
characterized in that the contact element (10) has a first profile section (15) with a plug opening (17) aligned with the insertion opening (27) and a second profile section (16, 20) angled in the plugging direction from the first profile section, and in that the clamping spring (11) is connected at one free end to the contact element (10), extends in an arc over the first profile section and is guided at the other free end through the plug opening (17) in order to guide the conductor (18) against the second profile section (16 , 20). Anschlussklemme nach Anspruch 1,
dadurch gekennzeichnet, dass der zweite Profilabschnitt (16,20) eine Kontaktkante (45) zur Bildung einer annähernd punktförmigen Kontaktierung zwischen dem Leiter (18) und dem Kontaktelement (10) aufweist.Terminal according to claim 1,
characterized in that the second profile section (16, 20) has a contact edge (45) to form an approximately punctiform contact between the conductor (18) and the contact element (10). Anschlussklemme nach Anspruch 2,
dadurch gekennzeichnet, dass, in der jeweils senkrechten Projektion auf die Mittellängsachse des Leiters (18), der Angriffspunkt der Klemmfeder (11) am Leiter (18) in Steckrichtung hinter der Kontaktkante (45) angeordnet ist.Terminal according to claim 2,
characterized in that , in the respective vertical projection onto the central longitudinal axis of the conductor (18), the point of application of the clamping spring (11) on the conductor (18) is arranged behind the contact edge (45) in the plugging direction. Anschlussklemme nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Klemmfeder (11) mit dem Kontaktelement (10) an einem von dem ersten Profilabschnitt (15) abgebogenen dritten Profilabschnitt (12) verbunden, vorzugsweise vernietet, ist. Terminal according to one of claims 1 to 3,
characterized in that the clamping spring (11) is connected, preferably riveted, to the contact element (10) on a third profile section (12) bent off from the first profile section (15). Anschlussklemme nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die Klemmfeder (11) an dem anderen freien Ende eine Abwinklung (43) in Richtung zu dem zweiten Profilabschnitt (16,20) aufweist.Terminal according to one of claims 1 to 4,
characterized in that the clamping spring (11) has an angled portion (43) towards the second profile section (16, 20) at the other free end. Anschlussklemme nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass vom Rand der Stecköffnung (17) entgegen der Steckrichtung eine zu dem zweiten Profilabschnitt (16,20) ausgerichtete Zunge (19) vorsteht.Terminal according to one of claims 1 to 5,
characterized in that a tongue (19), which is aligned with the second profile section (16, 20), projects from the edge of the plug-in opening (17) counter to the plug-in direction. Anschlussklemme nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass die Einführungsöffnung als Leiterkanal (27), vorzugsweise mit einer Verengung an seinem der Stecköffnung (17) des Kontaktelements (10) zugewandten Ende, ausgebildet ist.Terminal according to one of claims 1 to 6,
characterized in that the insertion opening is designed as a conductor channel (27), preferably with a constriction at its end facing the plug opening (17) of the contact element (10). Anschlussklemme nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass an dem Isoliergehäuse (1) eine weitere, zu der Stecköffnung (17) des Kontaktelements (10) ausgerichtete Öffnung (28) für die Einführung eines an der Klemmfeder (11) im spitzen Winkel angreifenden Werkzeugs (29) zum Lösen der elektrischen und mechanischen Verbindung von Leiter (18) und Kontaktelement (10) vorgesehen ist.Terminal according to one of claims 1 to 7,
characterized in that on the insulating housing (1) a further opening (28) aligned with the plug-in opening (17) of the contact element (10) for the introduction of a tool (29) acting on the clamping spring (11) at an acute angle for releasing the electrical and mechanical connection of the conductor (18) and contact element (10) is provided. Anschlussklemme nach Anspruch 8,
dadurch gekennzeichnet, dass die weitere Öffnung als sich vorzugsweise verengender, das Werkzeug in einer Steckposition festhaltender Werkzeugkanal (28) ausgebildet ist.Terminal according to claim 8,
characterized in that the further opening is designed as a preferably narrowing tool channel (28) holding the tool in a plug-in position. Anschlussklemme nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass das Kontaktelement (10) mehrere Stecklöcher (17) und mehrere Klemmfedern (11) zum Steckanschluß mehrerer Leiter (18) aufweist, und sich von dem zweiten Profilabschnitt wenigstens eine Zunge (21) in einen Klemmkäfig (22) hinein erstreckt, wobei die Zunge (21) mit dem Klemmkäfig (22) und einer gegen die Zunge anliegenden, in einem Gewinde im Klemmkäfig (22) drehbaren Klemmschraube (36) eine Schraubklemmeinrichtung bildet. Terminal according to one of claims 1 to 9,
characterized in that the contact element (10) has a plurality of plug holes (17) and a plurality of clamping springs (11) for the plug connection of a plurality of conductors (18), and at least one tongue (21) extends from the second profile section into a clamping cage (22), wherein the tongue (21) forms a screw clamping device with the clamping cage (22) and a clamping screw (36) lying against the tongue and rotatable in a thread in the clamping cage (22). Anschlussklemme nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, dass der Leiterkanal (27), und ggf. der Werkzeugkanal (28), sich wenigstens teilweise in einem von dem Isoliergehäuse (1) abstehenden Vorsprung (31) des Isoliergehäuses (1) erstreckt und an seinem der Stecköffnung (17) abgewandten Ende eine radiale Öffnung aufweist und vorzugsweise etwa halbseitig zu einer eine Zugangsöffnung (37) für die Klemmschraube (36) aufweisenden Seite des Isoliergehäuses (1) hin geöffnet ist.Terminal according to one of claims 1 to 10,
characterized in that the conductor channel (27), and possibly the tool channel (28), extends at least partially in a projection (31) of the insulating housing (1) protruding from the insulating housing (1) and on its side facing away from the plug-in opening (17) End has a radial opening and is preferably approximately half-open to a side of the insulating housing (1) having an access opening (37) for the clamping screw (36). Anschlussklemme nach Anspruch 10 oder 11,
dadurch gekennzeichnet, dass der Leiterkanal (27), und ggf. der Werkzeugkanal (28), zur Drehachse der Klemmschraube (36) geneigt ist.Terminal according to claim 10 or 11,
characterized in that the conductor channel (27) and possibly the tool channel (28) is inclined to the axis of rotation of the clamping screw (36). Anschlussklemme nach einem der Ansprüche 10 bis 12,
dadurch gekennzeichnet, dass der Werkzeugkanal (28) neben dem Leiterkanal (27) auf einer der Gehäuseseite mit der Zugangsöffnung (37) zugewandten Seite des Führungskanals (27) angeordnet ist.Terminal according to one of claims 10 to 12,
characterized in that the tool channel (28) is arranged next to the conductor channel (27) on a side of the guide channel (27) facing the housing side with the access opening (37). Anschlussklemme nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, dass sich von dem zweiten Profilabschnitt (16,20) an wenigstens einem Ende eine Zunge (23) mit einer Stecköffnung (24) für eine Verbindungsbrücke zur Verbindung des Kontaktelements (10) mit dem Kontaktelement einer weiteren solchen Anschlussklemme erstreckt.Terminal according to one of claims 1 to 13,
characterized in that a tongue (23) with a plug opening (24) for a connecting bridge for connecting the contact element (10) to the contact element of a further such terminal extends from the second profile section (16, 20) at at least one end. Anschlussklemme nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, dass das Isoliergehäuse (1) mehrteilig mit einem Basisteil (4) und einem an dem Basisteil einrastbaren Steckteil (5) ausgebildet ist.Terminal according to one of claims 1 to 14,
characterized in that the insulating housing (1) is constructed in several parts with a base part (4) and a plug-in part (5) which can be snapped onto the base part. Anschlussklemme nach Anspruch 15,
dadurch gekennzeichnet, dass der Leiterkanal (27) und der Werkzeugkanal (28) in dem Steckteil (5) ausgebildet sind.Terminal according to claim 15,
characterized in that the conductor channel (27) and the tool channel (28) are formed in the plug-in part (5).
EP01129775A 2000-12-20 2001-12-14 Connecting terminal for electrical conductors Expired - Lifetime EP1217692B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10063455 2000-12-20
DE10063455 2000-12-20

Publications (3)

Publication Number Publication Date
EP1217692A2 true EP1217692A2 (en) 2002-06-26
EP1217692A3 EP1217692A3 (en) 2003-12-10
EP1217692B1 EP1217692B1 (en) 2005-09-14

Family

ID=7667901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01129775A Expired - Lifetime EP1217692B1 (en) 2000-12-20 2001-12-14 Connecting terminal for electrical conductors

Country Status (3)

Country Link
EP (1) EP1217692B1 (en)
DE (3) DE10103145C1 (en)
ES (1) ES2249375T3 (en)

Cited By (12)

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EP1391965A1 (en) 2002-08-22 2004-02-25 Wago Verwaltungsgesellschaft mbH Spring clamp terminal for electrical conductor
FR2901418A1 (en) * 2006-05-22 2007-11-23 Legrand France Terminal block for electrical conductor, has short right branch whose end`s portion is disposed relative to stop section of strip from side opposite to large right branch, where blade is deformed to pass through point with respect to strip
FR2901419A1 (en) * 2006-05-22 2007-11-23 Legrand France Terminal block for use in electrical cabinet, has strip including step with socket to receive conductor`s end, and blade including section connecting handles, where portion of one handle holds strip`s stop from side opposite to other handle
EP1763107A3 (en) * 2005-09-08 2008-01-23 Conrad Stanztechnik GmbH Terminal with an insulating housing
EP2051332A2 (en) 2007-10-17 2009-04-22 Gewiss S.P.A. Improved quick wiring connecting terminal
FR2930376A1 (en) * 2008-04-22 2009-10-23 Abb France CONNECTING TERMINAL AND LOW VOLTAGE ELECTRICAL APPARATUS
WO2011047758A1 (en) * 2009-10-22 2011-04-28 Phoenix Contact Gmbh & Co. Kg Plug-in connection for receiving a rigid conductor end
RU2628754C2 (en) * 2012-11-30 2017-08-22 Абб Аг Connection socket
RU2638152C2 (en) * 2012-11-30 2017-12-12 Абб Аг Connecting terminal
EP2835871B1 (en) * 2013-08-05 2018-08-22 Schneider Electric España, S.A. Connection system for connecting electrical elements
DE102010047170B4 (en) 2010-09-30 2019-10-10 Abb Ag Installation switching device with a Steckklemmvorrichtung
DE102010050870B4 (en) 2010-09-30 2019-12-05 Abb Ag Low-voltage switching device with a plug-in terminal device

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DE202004006125U1 (en) * 2004-04-15 2005-08-25 Wieland Electric Gmbh rail
DE102004045026B3 (en) * 2004-09-15 2006-02-16 Phoenix Contact Gmbh & Co. Kg Electrical connecting clamp for mobile and fixed functions, with clamping spring and metal part in insulating housing with inserting aperture for conductor to be inserted
DE102004045025B3 (en) 2004-09-15 2006-02-16 Phoenix Contact Gmbh & Co. Kg Electrical connection or connection terminal
DE102004046471B3 (en) 2004-09-23 2006-02-09 Phoenix Contact Gmbh & Co. Kg Electrical connection or connection terminal
DE202008016856U1 (en) 2008-12-22 2010-05-20 Phoenix Contact Gmbh & Co. Kg Electrical connection or connection terminal
DE102010051899B4 (en) 2010-11-22 2015-03-26 Wago Verwaltungsgesellschaft Mbh Electrical terminal component
DE102017107241A1 (en) * 2017-04-04 2018-10-04 Jumo Gmbh & Co. Kg Flat plug connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1391965A1 (en) 2002-08-22 2004-02-25 Wago Verwaltungsgesellschaft mbH Spring clamp terminal for electrical conductor
EP1763107A3 (en) * 2005-09-08 2008-01-23 Conrad Stanztechnik GmbH Terminal with an insulating housing
FR2901418A1 (en) * 2006-05-22 2007-11-23 Legrand France Terminal block for electrical conductor, has short right branch whose end`s portion is disposed relative to stop section of strip from side opposite to large right branch, where blade is deformed to pass through point with respect to strip
FR2901419A1 (en) * 2006-05-22 2007-11-23 Legrand France Terminal block for use in electrical cabinet, has strip including step with socket to receive conductor`s end, and blade including section connecting handles, where portion of one handle holds strip`s stop from side opposite to other handle
EP1860735A1 (en) * 2006-05-22 2007-11-28 Legrand France Terminal block for electrical conductors
EP2051332A2 (en) 2007-10-17 2009-04-22 Gewiss S.P.A. Improved quick wiring connecting terminal
FR2930376A1 (en) * 2008-04-22 2009-10-23 Abb France CONNECTING TERMINAL AND LOW VOLTAGE ELECTRICAL APPARATUS
EP2112713A1 (en) * 2008-04-22 2009-10-28 ABB France Connection terminal and low-voltage electrical device
WO2011047758A1 (en) * 2009-10-22 2011-04-28 Phoenix Contact Gmbh & Co. Kg Plug-in connection for receiving a rigid conductor end
DE102010047170B4 (en) 2010-09-30 2019-10-10 Abb Ag Installation switching device with a Steckklemmvorrichtung
DE102010050870B4 (en) 2010-09-30 2019-12-05 Abb Ag Low-voltage switching device with a plug-in terminal device
RU2628754C2 (en) * 2012-11-30 2017-08-22 Абб Аг Connection socket
RU2638152C2 (en) * 2012-11-30 2017-12-12 Абб Аг Connecting terminal
EP2835871B1 (en) * 2013-08-05 2018-08-22 Schneider Electric España, S.A. Connection system for connecting electrical elements

Also Published As

Publication number Publication date
DE10103107A1 (en) 2002-07-18
DE10103107B4 (en) 2007-07-12
DE10103145C1 (en) 2002-06-27
EP1217692A3 (en) 2003-12-10
EP1217692B1 (en) 2005-09-14
DE50107415D1 (en) 2005-10-20
ES2249375T3 (en) 2006-04-01

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