EP1816706A1 - Electrical connection terminal - Google Patents

Electrical connection terminal Download PDF

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Publication number
EP1816706A1
EP1816706A1 EP07001371A EP07001371A EP1816706A1 EP 1816706 A1 EP1816706 A1 EP 1816706A1 EP 07001371 A EP07001371 A EP 07001371A EP 07001371 A EP07001371 A EP 07001371A EP 1816706 A1 EP1816706 A1 EP 1816706A1
Authority
EP
European Patent Office
Prior art keywords
clamping
housing
current bar
spring
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
EP07001371A
Other languages
German (de)
French (fr)
Other versions
EP1816706B1 (en
Inventor
Andreas Dipl.-Ing. Schrader
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.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP1816706A1 publication Critical patent/EP1816706A1/en
Application granted granted Critical
Publication of EP1816706B1 publication Critical patent/EP1816706B1/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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables

Definitions

  • the invention relates to an electrical terminal with a housing, with a terminal chamber formed therein and two leading into the terminal compartment conductor inlets for electrical conductors to be connected, arranged in the terminal chamber conductor connection arrangement per conductor inlet, each consisting of a current bar and a clamping leg of a clamping spring, wherein the Clamping leg and the current bar form a spring terminal connection for an electrical conductor to be connected, and wherein the two clamping legs are each connected to a plant leg.
  • Electrical terminals are used for electrical connection of at least one electrical conductor with a device, in particular with a printed circuit board arranged in a device. Such terminals are often referred to as print terminals.
  • the different electrical terminals differ in particular by the different connection options for the conductors to be connected.
  • terminals with screw, spring and insulation displacement contacts are known as a conductor connection arrangement.
  • spring-loaded terminals have established themselves on the market in addition to screw terminals - and for some time now as well as electrical terminals with insulation displacement technology - and are used in millions both as PCB terminal blocks and as terminal blocks.
  • the advantage of the spring-loaded terminals compared to screw terminals is that spring-loaded terminals allow for faster and easier wiring.
  • two different types of spring-loaded terminals are used; loop-shaped tension spring terminals and about U-shaped or V-shaped open clamping springs, which are also referred to as leg springs.
  • an operating tool such as a screwdriver
  • a screwdriver which is pressed to open the tension spring in an operating shaft. It spans the Tip of the screwdriver, the tension spring, whereby the nip opens.
  • a conductor to be connected can then be inserted through a recess in the clamping leg and is clamped after pulling out of the screwdriver by the lower edge of the recess against the abutment leg of the tension spring or a busbar connected to the mainspring (see. Phoenix Contact, Product Catalog "CLIPLINE 2005, page 19 . DE 197 11 051 A1 or DE 101 53 170 C1 ).
  • U-shaped or V-shaped open clamping springs have a clamping leg and a bearing or holding leg, wherein the conductor to be connected, which is usually a rigid conductor or a conductor with a ferrule, can be inserted without tools in the terminal , By inserting the conductor, the clamping spring is automatically opened and then pressed the inserted, stripped conductor of the clamping leg against a current bar. Due to their manner of operation, such open clamping springs are also referred to as a direct plug connection or as a compression spring (compare Phoenix Contact, Product Catalog "CLIPLINE 2005, page 20 or DE 102 39 273 A1 ).
  • the electrical terminal For electrical connection of the electrical terminal with at least one conductor of a circuit board, arranged in the known terminals contact elements on at least one solder pin, which is inserted into a hole provided in the circuit board and then soldered therein.
  • the hole is usually filled with a solder paste before and then the solder pin by means of reflow soldering electrically connected to the corresponding trace.
  • a spring-loaded terminal for use on printed circuit boards which has a box spring arranged in the housing, from the wall at least one resilient clamping leg is cut free, forms the clamping end together with the opposite wall of the box spring a spring terminal connection for an electrical conductor to be connected.
  • two juxtaposed clamping legs are punched out of the box spring, so that the terminal for connecting two parallel to each other in the housing equipsteckender conductor can be used.
  • At the conductor insertion openings opposite side of the housing occur in the known terminal two integrally connected to the box spring solder pins, which are used for electrical connection of the terminal with conductors of a circuit board.
  • the DE 42 10 020 C2 discloses an electrical terminal described above, which is also designed for connecting two conductors.
  • the two conductor inlets are arranged on two different, at an angle of 90 ° to each other extending terminal sides of the housing.
  • a further conductor connection arrangement is provided, which may be formed as a plug connection or as Printlötanschluß.
  • an approximately W-shaped clamping spring is arranged, which has two clamping legs which each form a spring terminal connection with an adjacent electrically conductive contact wall for each electrical conductor to be connected.
  • the known electrical terminal Due to the formation of the W-shaped clamping spring and the arrangement of the conductor inlets on different sides of the housing, the known electrical terminal on a relatively large size.
  • the two electrical conductors to be connected can only be plugged into the electrical terminal at the same time with relative difficulty and can only be pulled out of the terminal one after the other.
  • terminals with smaller and smaller dimensions are desirable.
  • various proposals have already been made to reduce the dimensions of the electrical terminals or to provide the smallest possible dimensions as large a number of connection options available. Mention should be made in this case so-called double-decker or three-level terminals, which belong both as screw terminals and as tension spring terminals to the prior art.
  • the present invention is therefore the object of the known electrical terminal to design and further develop that it has the smallest possible design and thereby both a simple plugging as well as a simple withdrawal of both conductors from the terminal allows.
  • the current bar or the current bar and the clamping spring are arranged and designed so that the current bar or the current bar between the two clamping legs is or are and substantially parallel to the insertion the conductor to be connected runs or runs.
  • the arrangement of the current bar or preferably a current bar between the two clamping legs a very compact design of the electrical terminal can be achieved.
  • a simultaneous insertion of the two electrical conductors to be connected is substantially simplified in that the current bar or the current bar runs or extend parallel to the insertion direction of the conductors to be connected.
  • the two electrical conductors to be connected are inserted from the same direction in the housing or pulled parallel to each other from the housing, so that both the insertion and the withdrawal of both conductors from the housing can be easily performed with one hand.
  • the current bar preferably consists of two mutually parallel current bar sections, wherein the two current bar sections are connected via an opposite to the conductor insertion direction facing, curved connection area with each other.
  • the current bar is thus bent along its transverse axis, wherein the two current bar sections are either directly superposed or have a small distance from each other. Characterized in that the curved connection region of the current bar points to the conductor inlets, the male conductors are gently guided by the rounding of the connection region in the nip.
  • the electrical terminal according to the invention can also be used only for connecting two electrical conductors to be connected via the current bar.
  • the electrical terminal is provided for use on printed circuit boards, so that it is designed as a so-called print terminal.
  • the current bar is therefore preferably integrally connected to a plug part having at least one solder pin.
  • the current bar and the plug part are thus formed by a common metal part, which can be mechanically connected to the clamping spring.
  • the clamping spring on notches or projections, which serve to receive corresponding portions of the metal part, so that the clamping spring and the metal part can be plugged together for mechanical connection.
  • an additional fixation by means of one or more welds between the clamping spring and the metal part is also carried out beyond.
  • At least one actuating lever is arranged in the housing, which is displaceable from a first position in which the actuating lever does not deflect the clamping legs, in a second position in which the actuating printer deflects the clamping legs against their spring force , In the second position of the actuating push-button, the spring-force clamping connection or the spring-force clamping connections can thereby be opened, so that a conductor or both conductors can be pulled out of the terminal or plugged into the terminal or are.
  • Such an actuating trigger is basically already known from the prior art.
  • a withdrawal of a connected conductor from the terminal is usually not or only with relatively great effort and damage to the head or the Clamping spring possible.
  • the actuation lever thus initially serves to deflect the clamping leg of the clamping spring against its spring force, whereby the spring terminal connection is opened, so that a connected conductor can be pulled out of the terminal.
  • the actuating handle can also be used for easier connection of a rigid conductor or for connecting a flexible conductor.
  • the electrical terminal according to the invention has only one actuating push-button, which is designed so that it opens in its second position at the same time both Federkraftklemman say.
  • the actuating push-button is formed so that the conductor inlets for inserting the conductors to be connected are formed together by the housing and the actuating push-button.
  • the actuating push-button thus has two insertion channels for the conductors to be connected.
  • a receptacle is still preferably provided in the actuating handle, which is designed for insertion of a tool, in particular the tip of a screwdriver. If a plurality of electrical terminals are connected side by side to a terminal block, then an actuation of the actuating push-button with a finger with pitches of 5 mm or less is only still very difficult, especially since then there is a risk that unintentionally simultaneously actuated an actuating lever of a terminal arranged adjacent thereto. The possibility of inserting the tip of a screwdriver into the receptacle formed in the actuating handle, this problem can be solved easily.
  • Fig. 1 shows an electrical terminal 1 with a housing consisting of an insulating material 2, in which a terminal chamber 3 and two in the terminal chamber 3 leading conductor inlets 4, 5 are formed for two electrical conductors 6 to be connected.
  • a conductor connection arrangement is arranged, each consisting of a current bar 7 and a clamping leg 8, 9, wherein in each case a clamping leg 8, 9 with one side of the current bar 7 forms a Federkraftklemmanschluß for an electrical conductor 6 to be connected
  • the two clamping legs 8, 9 belong to a clamping spring 10, which also has two bearing limbs 11, 12 which are connected on the one hand in each case with a clamping leg 8, 9 and on the other hand. How out Fig.
  • the two bearing legs 11, 12 extend substantially perpendicular to each other, wherein the abutment legs 11, 12 abut the edge of the terminal chamber 3 on the housing wall.
  • the housing 2 has correspondingly formed locking domes, between which and the housing wall, the clamping spring 10 is held.
  • the current bar 7, which consists of two mutually parallel current bar sections 13, 14, and the clamping spring 10 are arranged and formed so that the current bar 7 between the two clamping legs 8, 9 is arranged and parallel to the insertion direction E of the connected conductor 6 runs.
  • the current bar 7 is thus arranged between the inside of the terminal chamber 3 bent clamping legs 8, 9, while the plant leg 11, 12 abut the edge of the terminal chamber 3.
  • the current bar 7 consisting of two current bar sections 13, 14 which are bent relative to one another is arranged in the housing 2 in such a way that the bent connecting region 15 is opposite to the insertion direction E, d. H. in the direction of the conductor inlets 4, 5 points.
  • the rounding of the bent connecting portion 15 ensures in an advantageous manner that a conductor to be connected 6 when inserted into the terminal 1 gently inserted into the nip between the current bar 7 and a current bar section 13, 14 and the free end of the associated clamping leg 8, 9 becomes. A Verdenescence a connected electrical conductor 6 during insertion is thus prevented in a simple manner.
  • the electrical terminal 1 shown in the figures is intended for use on printed circuit boards, so that the current bar 7 is connected to a Stekkerteil 16, which has two solder pins 17.
  • the current bar 7 and the plug part 16 with the two solder pins 17 thereby form a one-piece metal part 18, as can be seen in particular from FIGS. 2 and 3.
  • the current bar 7 may be connected instead of a plug part 16 with a female part, if the terminal 1 should not be designed as a print terminal.
  • a high-quality copper alloy can be used for the current-carrying metal part 18, which can be produced as a simple stamped and bent part, wherein the surface of the metal part 18 is preferably protected by a lead-free galvanic nickel or tin layer.
  • a spring beam in particular a high-strength chrome-nickel spring steel is used, which optimally ensures the required spring force and thus the required contact force.
  • corresponding notches 19 are punched out in the clamping spring 10, in which the metal part 18 can be used.
  • an actuating push button 20 is slidably disposed, which serves in particular for opening the terminal points and thus for releasing a connected electrical conductor 6, so that the conductor 6 can be pulled out of the electrical terminal 1 again.
  • the actuating push-button 20 can be pressed from a first position (FIG. 4), in which the actuating push-button 20 does not deflect the clamping legs 8, 9, into a second position (FIG. 1) in which the end of the armature protruding into the connecting chamber 3 (FIG Actuator 20, the clamping legs 8, 9 deflects against their spring force.
  • actuating lever 20 in the connection chamber 3 is also useful to open the contact point between the current bar 7 and the free end of the clamping legs 8, 9, when a less rigid electrical conductor 6 is to be inserted.
  • the actuating lever 20 is arranged in the housing 2, that the actuating direction is parallel to the insertion direction E, so that the actuating lever 20 is pushed back by the spring force of the clamping legs 8, 9 automatically from the second position to the first position.
  • two inlet channels 21, 22 are formed in the actuating lever 2, which together with the housing 2 form the conductor inlets 4, 5 for insertion of the conductors 6 to be connected.
  • Fig. 4 it can be seen that about 3/4 of the conductor inlets 4, 5 are formed in the actuating lever 20 and about 1/4 of the conductor inlets 4, 5 in a side wall 23 of the housing 2.
  • an electrical terminal 1 can be realized with a particularly small pitch.
  • actuating handle 20 a receptacle 24 for insertion of a tool, in particular the tip of a screwdriver is formed. This is the impression the actuating push button 20 easily and conveniently even with very small dimensions of the electrical terminal 1.
  • the actuating handle 20, which is guided laterally in the housing 2, is secured by a formed in the housing 2 nose 25 against pulling out of the actuating handle 20 of the housing 2.
  • two openings 26 are provided for insertion of a test plug, which are arranged and designed so that a test plug can be inserted through a respective opening 26 in a contact point in the terminal chamber 3.
  • the terminal 1 shown in the figures inter alia, also characterized by a particularly compact design, that the housing 2 has a roughly 1/4 circular cross-section with two mutually perpendicular end faces 27, 28 and a third, the two straight end faces 27, 28 connecting, arcuate end face 29 has.
  • the two conductor inlets 4, 5 are arranged in the arcuate end face 29, wherein the conductor inlets 4, 5 and thus also the connected electrical conductors 6 and the current bar 7 at an angle of 45 ° to the two straight end faces 27, 28 extend.
  • the two solder pins 17 of the plug part 16 can emerge from the housing 2 from one of the two straight end faces 27, 28. This allows both a horizontal and a vertical mounting of the electrical terminal 1 on a circuit board.
  • Fig. 4 three electrical terminals 1 are shown, which are locked together to form a terminal block.
  • 2 latching elements in the form of locking pin 30 and corresponding locking holes 31 are formed on the housing.
  • the Gezzasue 2 only one side wall 23, so that the other side surface of the housing 2 is open. This open side surface of the housing 2 is closed either by the side wall 23 of the housing 2 of an adjacent terminal 1 or by a separate lid 32, so that the electrical terminal 1 and the terminal block 1 composed of several terminals has the required degree of protection.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)

Abstract

The electrical terminal (1) has a conductor connection arrangement having a current bar and a clamping spring made and arranged so that the current bar is located between the two clamping legs (8,9) of the clamping spring and running parallel to the insertion direction of connected conductors (6) in a terminal chamber (3). Each side of the current bar forms a spring force clamping terminal with the clamping leg.

Description

Die Erfindung betrifft eine elektrische Anschlußklemme mit einem Gehäuse, mit einer darin ausgebildeten Anschlußkammer und zwei in die Anschlußkammer führenden Leitereinlässen für anzuschließende elektrische Leiter, mit einer in der Anschlußkammer angeordneten Leiteranschlußanordnung je Leitereinlaß, jeweils bestehend aus einem Strombalken und einem Klemmschenkel einer Klemmfeder, wobei der Klemmschenkel und der Strombalken einen Federkraftklemmanschluß für einen anzuschließenden elektrischen Leiter bilden, und wobei die beiden Klemmschenkel jeweils mit einem Anlageschenkel verbunden sind.The invention relates to an electrical terminal with a housing, with a terminal chamber formed therein and two leading into the terminal compartment conductor inlets for electrical conductors to be connected, arranged in the terminal chamber conductor connection arrangement per conductor inlet, each consisting of a current bar and a clamping leg of a clamping spring, wherein the Clamping leg and the current bar form a spring terminal connection for an electrical conductor to be connected, and wherein the two clamping legs are each connected to a plant leg.

Elektrische Anschlußklemmen dienen zum elektrischen Anschluß mindestens eines elektrischen Leiters mit einem Gerät, insbesondere mit einer in einem Gerät angeordneten Leiterplatte. Derartige Anschlußklemmen werden häufig auch als Printklemmen bezeichnet. Hierbei unterscheiden sich die verschiedenen elektrischen Anschlußklemmen insbesondere durch die unterschiedlichen Anschlußmöglichkeiten für die anzuschließenden Leiter. So sind Anschlußklemmen mit Schraub-, Federkraft- und Schneidklemmkontakten als Leiteranschlußanordnung bekannt.Electrical terminals are used for electrical connection of at least one electrical conductor with a device, in particular with a printed circuit board arranged in a device. Such terminals are often referred to as print terminals. In this case, the different electrical terminals differ in particular by the different connection options for the conductors to be connected. Thus, terminals with screw, spring and insulation displacement contacts are known as a conductor connection arrangement.

Federkraft-Anschlußklemmen haben sich im Laufe der Zeit neben Schraubklemmen - und seit einiger Zeit auch neben elektrischen Klemmen mit Schneid-Anschlußtechnik - am Markt etabliert und werden millionenfach sowohl als Printklemmen als auch als Reihenklemmen verwendet. Der Vorteil der Federkraft-Anschlußklemmen im Vergleich zu Schraubklemmen besteht darin, daß Federkraft-Anschlußklemmen eine schnellere und einfachere Verdrahtung ermöglichen. Hierbei werden zwei unterschiedliche Arten von Federkraft-Anschlußklemmen verwendet; schlaufenförmige Zugfederklemmen und etwa U-förmige oder V-förmige offene Klemmfedern, welche auch als Schenkelfedern bezeichnet werden.In the course of time, spring-loaded terminals have established themselves on the market in addition to screw terminals - and for some time now as well as electrical terminals with insulation displacement technology - and are used in millions both as PCB terminal blocks and as terminal blocks. The advantage of the spring-loaded terminals compared to screw terminals is that spring-loaded terminals allow for faster and easier wiring. Here, two different types of spring-loaded terminals are used; loop-shaped tension spring terminals and about U-shaped or V-shaped open clamping springs, which are also referred to as leg springs.

Zum Betätigen der schlaufenförmigen Zugfederklemme benötigt man ein Betätigungswerkzeug, beispielsweise einen Schraubendreher, der zum Öffnen der Zugfeder in einen Betätigungsschacht gedrückt wird. Dabei spannt die Spitze des Schraubendrehers die Zugfeder, wodurch sich die Klemmstelle öffnet. Ein anzuschließender Leiter kann dann durch eine Ausnehmung in den Klemmschenkel eingeführt werden und wird nach dem Herausziehen des Schraubendrehers durch die Unterkante der Ausnehmung gegen den Anlageschenkel der Zugfeder oder eine mit der Zugfeder verbundene Stromschiene geklemmt (vgl. Phoenix Contact, Produktkatalog "CLIPLINE 2005, Seite 19 , DE 197 11 051 A1 oder DE 101 53 170 C1 ).To actuate the loop-shaped tension spring clamp requires an operating tool, such as a screwdriver, which is pressed to open the tension spring in an operating shaft. It spans the Tip of the screwdriver, the tension spring, whereby the nip opens. A conductor to be connected can then be inserted through a recess in the clamping leg and is clamped after pulling out of the screwdriver by the lower edge of the recess against the abutment leg of the tension spring or a busbar connected to the mainspring (see. Phoenix Contact, Product Catalog "CLIPLINE 2005, page 19 . DE 197 11 051 A1 or DE 101 53 170 C1 ).

U-förmige oder V-förmige offene Klemmfedern weisen einen Klemmschenkel und einen Anlage- oder Halteschenkel auf, wobei der anzuschließende Leiter, bei dem es sich zumeist um einen starren Leiter oder einen Leiter mit einer Aderendhülse handelt, ohne Werkzeug in die Klemme gesteckt werden kann. Durch das Einstecken des Leiters wird die Klemmfeder selbsttätig geöffnet und dann der eingesteckte, abisolierte Leiter von dem Klemmschenkel gegen einen Strombalken gedrückt. Aufgrund ihrer Betätigungsweise werden derartige offene Klemmfedern auch als Direktsteck-Anschluß bzw. als Druckfeder bezeichnet (vgl. Phoenix Contact, Produktkatalog "CLIPLINE 2005, Seite 20 oder DE 102 39 273 A1 ).U-shaped or V-shaped open clamping springs have a clamping leg and a bearing or holding leg, wherein the conductor to be connected, which is usually a rigid conductor or a conductor with a ferrule, can be inserted without tools in the terminal , By inserting the conductor, the clamping spring is automatically opened and then pressed the inserted, stripped conductor of the clamping leg against a current bar. Due to their manner of operation, such open clamping springs are also referred to as a direct plug connection or as a compression spring (compare Phoenix Contact, Product Catalog "CLIPLINE 2005, page 20 or DE 102 39 273 A1 ).

Zur elektrischen Verbindung der elektrischen Anschlußklemme mit mindestens einer Leiterbahn einer Leiterplatte weisen die in den bekannten Anschlußklemmen angeordneten Kontaktelemente mindestens einen Lötstift auf, der in eine in der Leiterplatte vorgesehene Bohrung eingesteckt und dann darin verlötet wird. Hierzu wird in der Regel die Bohrung zuvor mit einer Lotpaste gefüllt und anschließend der Lötstift mittels Reflow-Löten elektrisch mit der entsprechenden Leiterbahn verbunden.For electrical connection of the electrical terminal with at least one conductor of a circuit board, arranged in the known terminals contact elements on at least one solder pin, which is inserted into a hole provided in the circuit board and then soldered therein. For this purpose, the hole is usually filled with a solder paste before and then the solder pin by means of reflow soldering electrically connected to the corresponding trace.

Aus der DE 198 38 008 B4 ist eine Federkraft-Anschlußklemme für den Einsatz auf Leiterplatten bekannt, die eine in dem Gehäuse angeordnete Kastenfeder aufweist, aus deren Wandung mindestens ein federnder Klemmschenkel freigeschnitten ist, dessen Klemmende zusammen mit der gegenüberliegenden Wandung der Kastenfeder einen Federkraftklemmanschluß für einen anzuschließenden elektrischen Leiter bildet. Bei der bekannten Anschlußklemme sind aus der Kastenfeder zwei nebeneinander angeordnete Klemmschenkel ausgestanzt, so daß die Anschlußklemme zum Anschließen zweier parallel zueinander in das Gehäuse einzusteckender Leiter verwendet werden kann. An der den Leitereinführungsöffnungen gegenüberliegenden Seite des Gehäuses treten bei der bekannten Anschlußklemme zwei einstückig mit der Kastenfeder verbundene Lötstifte aus, die zur elektrischen Verbindung der Anschlußklemme mit Leiterbahnen einer Leiterplatte dienen.From the DE 198 38 008 B4 is a spring-loaded terminal for use on printed circuit boards is known, which has a box spring arranged in the housing, from the wall at least one resilient clamping leg is cut free, forms the clamping end together with the opposite wall of the box spring a spring terminal connection for an electrical conductor to be connected. In the known terminal two juxtaposed clamping legs are punched out of the box spring, so that the terminal for connecting two parallel to each other in the housing einzusteckender conductor can be used. At the conductor insertion openings opposite side of the housing occur in the known terminal two integrally connected to the box spring solder pins, which are used for electrical connection of the terminal with conductors of a circuit board.

Die DE 42 10 020 C2 offenbart eine eingangs beschriebene elektrische Anschlußklemme, die ebenfalls zum Anschließen von zwei Leitern ausgebildet ist. Bei dieser elektrischen Anschlußklemme sind die beiden Leitereinlässe auf zwei verschiedenen, in einem Winkel von 90° zueinander verlaufenden Anschlußseiten des Gehäuses angeordnet. An einer dritten Seite des insgesamt etwa quadratischen Gehäuses ist eine weitere Leiteranschlußanordnung vorgesehen, die als Steckanschluß oder als Printlötanschluß ausgebildet sein kann. Im Inneren des Gehäuses ist eine näherungsweise W-förmige Klemmfeder angeordnet, die zwei Klemmschenkel aufweist, die jeweils mit einer benachbarten elektrisch leitenden Kontaktwand einen Federkraftklemmanschluß für je einen anzuschließenden elektrischen Leiter bilden. Aufgrund der Ausbildung der W-förmigen Klemmfeder und der Anordnung der Leitereinlässe an verschiedenen Seiten des Gehäuses weist die bekannte elektrische Anschlußklemme eine relativ große Bauform auf. Darüber hinaus können die beiden anzuschließenden elektrischen Leiter nur relativ umständlich gleichzeitig in die elektrische Anschlußklemme eingesteckt und nur nacheinander aus der Anschlußklemme herausgezogen werden.The DE 42 10 020 C2 discloses an electrical terminal described above, which is also designed for connecting two conductors. In this electrical terminal, the two conductor inlets are arranged on two different, at an angle of 90 ° to each other extending terminal sides of the housing. On a third side of the generally approximately square housing, a further conductor connection arrangement is provided, which may be formed as a plug connection or as Printlötanschluß. In the interior of the housing, an approximately W-shaped clamping spring is arranged, which has two clamping legs which each form a spring terminal connection with an adjacent electrically conductive contact wall for each electrical conductor to be connected. Due to the formation of the W-shaped clamping spring and the arrangement of the conductor inlets on different sides of the housing, the known electrical terminal on a relatively large size. In addition, the two electrical conductors to be connected can only be plugged into the electrical terminal at the same time with relative difficulty and can only be pulled out of the terminal one after the other.

Durch die allgemeine Verringerung der Abmessungen der heutzutage verwendeten elektronischen Geräte und insbesondere auch der Leiterplatten, sind auch Anschlußklemmen mit immer kleineren Abmaßen wünschenswert. Dabei sind bereits verschiedene Vorschläge gemacht worden, um die Abmessungen der elektrischen Anschlußklemmen zu verringern bzw. um bei möglichst geringen Abmessungen eine möglichst große Anzahl von Anschlußmöglichkeiten zur Verfügung zu stellen. Erwähnt seien hierbei sogenannte Doppelstock- oder Dreistockklemmen, welche sowohl als Schraubklemmen als auch als Zugfederklemmen zum Stand der Technik gehören.Due to the general reduction in the dimensions of the electronic devices used today and in particular the printed circuit boards, terminals with smaller and smaller dimensions are desirable. In this case, various proposals have already been made to reduce the dimensions of the electrical terminals or to provide the smallest possible dimensions as large a number of connection options available. Mention should be made in this case so-called double-decker or three-level terminals, which belong both as screw terminals and as tension spring terminals to the prior art.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, die bekannte elektrische Anschlußklemme so auszugestalten und weiterzubilden, daß sie eine möglichst geringe Bauform aufweist und dabei sowohl ein einfaches Einstecken als auch ein einfaches Herausziehen beider Leiter aus der Anschlußklemme ermöglicht.The present invention is therefore the object of the known electrical terminal to design and further develop that it has the smallest possible design and thereby both a simple plugging as well as a simple withdrawal of both conductors from the terminal allows.

Diese Aufgabe ist bei der eingangs beschriebenen elektrischen Anschlußklemme dadurch gelöst, daß der Strombalken bzw. die Strombalken und die Klemmfeder so angeordnet und ausgebildet sind, daß der Strombalken bzw. die Strombalken zwischen den beiden Klemmschenkeln angeordnet ist bzw. sind und im wesentlichen parallel zur Einsteckrichtung der anzuschließenden Leiter verläuft bzw. verlaufen. Durch die Anordnung der Strombalken bzw. des vorzugsweise einen Strombalkens zwischen den beiden Klemmschenkeln ist eine sehr kompakte Bauform der elektrischen Anschlußklemme erreichbar. Außerdem wird ein gleichzeitiges Einstecken der beiden anzuschließenden elektrischen Leiter dadurch wesentlich vereinfacht, daß der Strombalken bzw. die Strombalken parallel zur Einsteckrichtung der anzuschließenden Leiter verläuft bzw. verlaufen. Bei der erfindungsgemäßen elektrischen Anschlußklemme werden somit die beiden anzuschließenden elektrischen Leiter aus derselben Richtung in das Gehäuse eingesteckt bzw. parallel zueinander aus dem Gehäuse herausgezogen, so daß sowohl das Einstecken als auch das Rausziehen beider Leiter aus dem Gehäuse einfach mit einer Hand durchgeführt werden können.This object is achieved in the electrical terminal described above in that the current bar or the current bar and the clamping spring are arranged and designed so that the current bar or the current bar between the two clamping legs is or are and substantially parallel to the insertion the conductor to be connected runs or runs. The arrangement of the current bar or preferably a current bar between the two clamping legs a very compact design of the electrical terminal can be achieved. In addition, a simultaneous insertion of the two electrical conductors to be connected is substantially simplified in that the current bar or the current bar runs or extend parallel to the insertion direction of the conductors to be connected. In the electrical terminal according to the invention thus the two electrical conductors to be connected are inserted from the same direction in the housing or pulled parallel to each other from the housing, so that both the insertion and the withdrawal of both conductors from the housing can be easily performed with one hand.

Grundsätzlich besteht die Möglichkeit, daß für jeden anzuschließenden elektrischen Leiter jeweils eine Leiteranschlußanordnung bestehend aus einem eigenen Strombalken und einer eigenen Klemmfeder vorgesehen ist. Um die Herstellung der erfindungsgemäßen elektrischen Anschlußklemme zu vereinfachen, ist jedoch vorteilhafter Weise vorgesehen, daß nur eine Klemmfeder und auch nur ein Strombalken in dem Gehäuse angeordnet sind. Die beiden Klemmschenkel sind dabei an dem den Klemmschenkeln fernen Ende der mit den Klemmschenkeln verbundenen Anlageschenkel miteinander verbunden, wobei die beiden Anlageschenkel am Rand der Anschlußkammer an der Gehäusewandung anliegen und vorzugsweise unter einem Winkel von etwa 90° zueinander verlaufen. Hierdurch ist gewährleistet, daß die beiden Klemmschenkel unabhängig voneinander jeweils einen anzuschließenden elektrischen Leiter klemmen, d. h. das Öffnen einer Klemmstelle keine Auswirkung auf die Klemmkraft an der anderen Klemmstelle hat.In principle, there is the possibility that one conductor connection arrangement consisting of a separate current bar and a separate clamping spring is provided for each electrical conductor to be connected. In order to simplify the production of the electrical terminal according to the invention, however, it is advantageously provided that only one clamping spring and only one current bar are arranged in the housing. The two clamping legs are connected to each other at the distal end of the clamping legs connected to the clamping legs plant leg, wherein the two abutment against the edge of the terminal chamber on the housing wall and preferably at an angle of about 90 ° to each other. This ensures that the two clamping legs independently of each clamp an electrical conductor to be connected, ie the opening of a clamping point has no effect on the clamping force at the other terminal point.

Ist - wie zuvor ausgeführt - nur ein Strombalken in dem Isoliergehäuse angeordnet, so bildet je eine Seite des Strombalkens mit je einem Klemmschenkel einen Federkraftklemmanschluß. Der Strombalken besteht dabei vorzugsweise aus zwei parallel zueinander verlaufenden Strombalkenabschnitten, wobei die beiden Strombalkenabschnitte über einen entgegengesetzt zur Leitereinführungsrichtung weisenden, gebogenen Verbindungsbereich miteinander verbunden sind. Der Strombalken ist somit entlang seiner Querachse umgebogen, wobei die beiden Strombalkenabschnitte entweder direkt aufeinanderliegen oder einen geringen Abstand voneinander aufweisen. Dadurch, daß der gebogene Verbindungsbereich des Strombalkens zu den Leitereinlässen hinweist, werden die einzusteckenden Leiter durch die Rundung des Verbindungsbereichs sanft in die Klemmstelle geführt.Is - as stated above - only one current bar arranged in the insulating housing, then forms one side of the current bar, each with a clamping leg a Federkraftklemmanschluß. The current bar preferably consists of two mutually parallel current bar sections, wherein the two current bar sections are connected via an opposite to the conductor insertion direction facing, curved connection area with each other. The current bar is thus bent along its transverse axis, wherein the two current bar sections are either directly superposed or have a small distance from each other. Characterized in that the curved connection region of the current bar points to the conductor inlets, the male conductors are gently guided by the rounding of the connection region in the nip.

Grundsätzlich kann die erfindungsgemäße elektrische Anschlußklemme auch lediglich zur Verbindung zweier anzuschließender elektrischer Leiter über den Strombalken verwendet werden. Vorzugsweise ist die elektrische Anschlußklemme jedoch für den Einsatz auf Leiterplatten vorgesehen, so daß sie als sogenannte Printklemme ausgebildet ist. Der Strombalken ist daher vorzugsweise einstückig mit einem Steckerteil verbunden, das mindestens einen Lötstift aufweist. Der Strombalken und das Steckerteil werden somit von einem gemeinsamen Metallteil gebildet, das mechanisch mit der Klemmfeder verbunden werden kann. Hierzu weist die Klemmfeder Auskerbungen oder Vorsprünge auf, die zur Aufnahme entsprechender Abschnitte des Metallteils dienen, so daß die Klemmfeder und das Metallteil zur mechanischen Verbindung zusammengesteckt werden können. In der Regel erfolgt darüber hinaus eine zusätzliche Fixierung mittels einem oder mehrerer Schweißpunkte zwischen der Klemmfeder und dem Metallteil.In principle, the electrical terminal according to the invention can also be used only for connecting two electrical conductors to be connected via the current bar. Preferably, however, the electrical terminal is provided for use on printed circuit boards, so that it is designed as a so-called print terminal. The current bar is therefore preferably integrally connected to a plug part having at least one solder pin. The current bar and the plug part are thus formed by a common metal part, which can be mechanically connected to the clamping spring. For this purpose, the clamping spring on notches or projections, which serve to receive corresponding portions of the metal part, so that the clamping spring and the metal part can be plugged together for mechanical connection. In general, an additional fixation by means of one or more welds between the clamping spring and the metal part is also carried out beyond.

Gemäß einer weiteren bevorzugten Ausgestaltung der erfindungsgemäßen elektrischen Anschlußklemme ist mindestens ein Betätigungsdrücker im Gehäuse angeordnet, der aus einer ersten Position, in der der Betätigungsdrücker die Klemmschenkel nicht auslenkt, in eine zweite Position, in der der Betätigungsdrucker die Klemmschenkel gegen ihre Federkraft auslenkt, verschiebbar ist. In der zweiten Position des Betätigungsdrückers kann dadurch der Federkraftklemmanschluß oder die Federkraftklemmanschlüsse geöffnet werden, so daß ein Leiter oder beide Leiter aus der Anschlußklemme herausziehbar oder in die Anschlußklemme einsteckbar ist bzw. sind.According to a further preferred embodiment of the electrical terminal according to the invention at least one actuating lever is arranged in the housing, which is displaceable from a first position in which the actuating lever does not deflect the clamping legs, in a second position in which the actuating printer deflects the clamping legs against their spring force , In the second position of the actuating push-button, the spring-force clamping connection or the spring-force clamping connections can thereby be opened, so that a conductor or both conductors can be pulled out of the terminal or plugged into the terminal or are.

Ein derartiger Betätigungsdrücker ist grundsätzlich bereits aus dem Stand der Technik bekannt. In die bekannten elektrischen Anschlußklemmen kann zwar wie eingangs bereits ausgeführt - ein elektrischer Leiter ohne Benutzung eines Werkzeugs direkt eingesteckt werden, ein Herausziehen eines angeschlossenen Leiters aus der Anschlußklemme ist jedoch in der Regel nicht oder nur mit relativ großem Kraftaufwand und unter Beschädigung des Leiters oder der Klemmfeder möglich. Der Betätigungsdrücker dient somit zunächst dazu, den Klemmschenkel der Klemmfeder gegen seine Federkraft auszulenken, wodurch der Federkraftklemmanschluß geöffnet wird, so daß ein angeschlossener Leiter aus der Anschlußklemme herausgezogen werden kann. Darüber hinaus kann der Betätigungsdrücker jedoch auch zum leichteren Anschließen eines starren Leiters oder zum Anschließen eines flexiblen Leiters benutzt werden.Such an actuating trigger is basically already known from the prior art. In the known electrical terminals, although as already stated - an electrical conductor without using a tool are plugged directly, a withdrawal of a connected conductor from the terminal is usually not or only with relatively great effort and damage to the head or the Clamping spring possible. The actuation lever thus initially serves to deflect the clamping leg of the clamping spring against its spring force, whereby the spring terminal connection is opened, so that a connected conductor can be pulled out of the terminal. In addition, however, the actuating handle can also be used for easier connection of a rigid conductor or for connecting a flexible conductor.

Vorzugsweise weist die erfindungsgemäße elektrische Anschlußklemme lediglich einen Betätigungsdrücker auf, welcher so ausgebildet ist, daß er in seiner zweiten Position gleichzeitig beide Federkraftklemmanschlüsse öffnet. Darüber hinaus ist der Betätigungsdrücker so ausgebildet, daß die Leitereinlässe zum Einführen der anzuschließenden Leiter zusammen vom Gehäuse und dem Betätigungsdrücker gebildet werden. Der Betätigungsdrücker weist somit zwei Einführkanäle für die anzuschließenden Leiter auf. Dadurch ist eine weitere Reduzierung der Abmessungen der elektrischen Anschlußklemme möglich, da in dem Gehäuse nicht noch zusätzlich zu den Leitereinlässen Platz für die Unterbringung des Betätigungsdrückers zur Verfügung gestellt werden muß.Preferably, the electrical terminal according to the invention has only one actuating push-button, which is designed so that it opens in its second position at the same time both Federkraftklemmanschlüsse. In addition, the actuating push-button is formed so that the conductor inlets for inserting the conductors to be connected are formed together by the housing and the actuating push-button. The actuating push-button thus has two insertion channels for the conductors to be connected. Thereby, a further reduction of the dimensions of the electrical terminal is possible, since in the housing not in addition to the conductor inlets space for the accommodation of the actuating lever must be provided.

Um die Zugänglichkeit des Betätigungsdrückers auch bei kleinen Abmessungen der elektrischen Anschlußklemme zu erleichtern, ist schließlich vorzugsweise noch eine Aufnahme in dem Betätigungsdrücker vorgesehen, die zum Einstecken eines Werkzeugs, insbesondere der Spitze eines Schraubendrehers ausgebildet ist. Sind mehrere elektrische Anschlußklemmen nebeneinander zu einem Anschlußklemmenblock verbunden, so ist eine Betätigung des Betätigungsdrückers mit einem Finger bei Rastermaßen von 5 mm oder weniger nur noch sehr schwer möglich, zumal dann die Gefahr besteht, daß ungewollt gleichzeitig ein Betätigungsdrücker einer daneben angeordneten Anschlußklemme betätigt wird. Durch die Möglichkeit, die Spitze eines Schraubendrehers in die im Betätigungsdrücker ausgebildete Aufnahme einzustecken, kann dieses Problem einfach gelöst werden.In order to facilitate the accessibility of the actuating handle even with small dimensions of the electrical terminal, finally, a receptacle is still preferably provided in the actuating handle, which is designed for insertion of a tool, in particular the tip of a screwdriver. If a plurality of electrical terminals are connected side by side to a terminal block, then an actuation of the actuating push-button with a finger with pitches of 5 mm or less is only still very difficult, especially since then there is a risk that unintentionally simultaneously actuated an actuating lever of a terminal arranged adjacent thereto. The possibility of inserting the tip of a screwdriver into the receptacle formed in the actuating handle, this problem can be solved easily.

Im einzelnen gibt es nun eine Vielzahl von Möglichkeiten, die erfindungsgemäße elektrische Anschlußklemme auszugestalten und weiterzubilden. Dazu wird verwiesen einerseits auf die dem Patentanspruch 1 nachgeordneten Patentansprüche, andererseits auf die nachfolgende Beschreibung eines bevorzugten Ausführungsbeispiels in Verbindung mit der Zeichnung. In der Zeichnung zeigen

Fig. 1
eine Ausführungsform der erfindungsgemäßen elektrischen Anschlußklemme, im Querschnitt,
Fig. 2
eine Explosionsdarstellung der elektrischen Anschlußklemme gemäß Fig. 1,
Fig. 3
eine vergrößerte Darstellung der Klemmfeder und des Metallteils der elektrischen Anschlußklemme und
Fig. 4
drei nebeneinander angereihte elektrische Anschlußklemmen gemäß Fig. 1.
In particular, there are a variety of ways to design and further develop the electrical terminal according to the invention. Reference is made on the one hand to the claims subordinate to claim 1, on the other hand, to the following description of a preferred embodiment in conjunction with the drawings. In the drawing show
Fig. 1
an embodiment of the electrical terminal according to the invention, in cross section,
Fig. 2
an exploded view of the electrical terminal of FIG. 1,
Fig. 3
an enlarged view of the clamping spring and the metal part of the electrical terminal and
Fig. 4
three juxtaposed electrical terminals according to FIG. 1.

Fig. 1 zeigt eine elektrische Anschlußklemme 1 mit einem aus einem Isoliermaterial bestehenden Gehäuse 2, in dem eine Anschlußkammer 3 und zwei in die Anschlußkammer 3 führende Leitereinlässe 4, 5 für zwei anzuschließende elektrische Leiter 6 ausgebildet sind. In der Anschlußkammer 3 ist je Leitereinlaß 4, 5 eine Leiteranschlußanordnung angeordnet, die jeweils aus einem Strombalken 7 und einem Klemmschenkel 8, 9 bestehen, wobei jeweils ein Klemmschenkel 8, 9 mit einer Seite des Strombalkens 7 einen Federkraftklemmanschluß für einen anzuschließenden elektrischen Leiter 6 bildet. Die beiden Klemmschenkel 8, 9 gehören zu einer Klemmfeder 10, welche noch zwei Anlageschenkel 11, 12 aufweist, die einerseits jeweils mit einem Klemmschenkel 8, 9 und andererseits miteinander verbunden sind. Wie aus Fig. 1 ersichtlich ist, verlaufen die beiden Anlageschenkel 11, 12 im wesentlichen senkrecht zueinander, wobei die Anlageschenkel 11, 12 am Rand der Anschlußkammer 3 an der Gehäusewandung anliegen. Zur Fixierung der Klemmfeder 10 weist das Gehäuse 2 entsprechend ausgebildete Rastdome auf, zwischen denen und der Gehäusewandung die Klemmfeder 10 gehalten ist.Fig. 1 shows an electrical terminal 1 with a housing consisting of an insulating material 2, in which a terminal chamber 3 and two in the terminal chamber 3 leading conductor inlets 4, 5 are formed for two electrical conductors 6 to be connected. In the connection chamber 3 per conductor inlet 4, 5, a conductor connection arrangement is arranged, each consisting of a current bar 7 and a clamping leg 8, 9, wherein in each case a clamping leg 8, 9 with one side of the current bar 7 forms a Federkraftklemmanschluß for an electrical conductor 6 to be connected , The two clamping legs 8, 9 belong to a clamping spring 10, which also has two bearing limbs 11, 12 which are connected on the one hand in each case with a clamping leg 8, 9 and on the other hand. How out Fig. 1 it can be seen, the two bearing legs 11, 12 extend substantially perpendicular to each other, wherein the abutment legs 11, 12 abut the edge of the terminal chamber 3 on the housing wall. For fixing the clamping spring 10, the housing 2 has correspondingly formed locking domes, between which and the housing wall, the clamping spring 10 is held.

Der Strombalken 7, der aus zwei parallel zueinander verlaufenden Strombalkenabschnitten 13, 14 besteht, und die Klemmfeder 10 sind so angeordnet und ausgebildet, daß der Strombalken 7 zwischen den beiden Klemmschenkeln 8, 9 angeordnet ist und parallel zur Einsteckrichtung E der anzuschließenden Leiter 6 verläuft. Der Strombalken 7 ist somit zwischen den ins Innere der Anschlußkammer 3 abgebogenen Klemmschenkeln 8, 9 angeordnet, während die Anlageschenkel 11, 12 am Rand der Anschlußkammer 3 anliegen.The current bar 7, which consists of two mutually parallel current bar sections 13, 14, and the clamping spring 10 are arranged and formed so that the current bar 7 between the two clamping legs 8, 9 is arranged and parallel to the insertion direction E of the connected conductor 6 runs. The current bar 7 is thus arranged between the inside of the terminal chamber 3 bent clamping legs 8, 9, while the plant leg 11, 12 abut the edge of the terminal chamber 3.

Wird ein anzuschließender elektrischer Leiter 6 durch einen Leitereinlaß 4, 5 in die Anschlußklemme 1 eingeführt, so drückt der Leiter 6 auf den Klemmschenkel 8, 9, wodurch die zwischen dem freien Ende des Klemmschenkels 8, 9 und dem Strombalken 7 gebildete Klemmstelle selbsttätig geöffnet wird. Das abisolierte Ende des anzuschließenden Leiters 6 wird dann durch die Federkraft des Klemmschenkels 8, 9 mit der erforderlichen Anpreßkraft gegen den Strombalken 7 gedrückt; der gewünschte elektrische Kontakt ist hergestellt.If an electrical conductor 6 to be connected is inserted through a conductor inlet 4, 5 into the terminal 1, the conductor 6 presses on the clamping leg 8, 9, whereby the nip formed between the free end of the clamping leg 8, 9 and the current bar 7 is opened automatically , The stripped end of the conductor to be connected 6 is then pressed by the spring force of the clamping leg 8, 9 with the required pressing force against the current bar 7; the desired electrical contact is made.

Der aus zwei zueinander umgebogenen Strombalkenabschnitten 13, 14 bestehende Strombalken 7 ist so in dem Gehäuse 2 angeordnet, daß der gebogene Verbindungsbereich 15 entgegengesetzt zur Einsteckrichtung E, d. h. in Richtung der Leitereinlässe 4, 5 weist. Die Rundung des gebogenen Verbindungsbereichs 15 sorgt dabei in vorteilhafter Weise dafür, daß ein anzuschließender Leiter 6 beim Einstecken in die Anschlußklemme 1 sanft in die Klemmstelle zwischen dem Strombalken 7 bzw. einem Strombalkenabschnitt 13, 14 und dem freien Ende des zugeordneten Klemmschenkels 8, 9 eingeführt wird. Ein Verkannten eines anzuschließenden elektrischen Leiters 6 beim Einstecken wird somit auf einfache Art und Weise verhindert.The current bar 7 consisting of two current bar sections 13, 14 which are bent relative to one another is arranged in the housing 2 in such a way that the bent connecting region 15 is opposite to the insertion direction E, d. H. in the direction of the conductor inlets 4, 5 points. The rounding of the bent connecting portion 15 ensures in an advantageous manner that a conductor to be connected 6 when inserted into the terminal 1 gently inserted into the nip between the current bar 7 and a current bar section 13, 14 and the free end of the associated clamping leg 8, 9 becomes. A Verkannte a connected electrical conductor 6 during insertion is thus prevented in a simple manner.

Durch die zuvor beschriebene und in den Figuren dargestellte Ausbildung der Klemmfeder 10 mit den beiden am Rand der Anschlußkammer 3 anliegenden Anlageschenkeln 11, 12 ist sichergestellt, daß ein Auslenken eines Klemmschenkels 8, 9 keinen Einfluß auf die Klemmkraft des anderen Klemmschenkels 9, 8 hat, so daß die Federkräfte der beiden Klemmschenkel 8, 9 voneinander entkoppelt sind und somit zwei Leiter 6 unabhängig voneinander in den jeweiligen Federkraftklemmanschluß eingesteckt werden können. Insbesondere dadurch ist es auch möglich, zwei elektrische Leiter 6 mit unterschiedlichem Querschnitt an die Anschlußklemme 1 anzuschließen.By the previously described and shown in the figures training of the clamping spring 10 with the two adjacent to the edge of the terminal chamber 3 Anlageschenkeln 11, 12 ensures that a deflection of a clamping leg 8, 9 has no influence on the clamping force of the other clamping leg 9, 8, so that the spring forces of the two clamping legs 8, 9 are decoupled from each other and thus two conductors 6 independently in the respective spring terminal connection can be inserted. In particular, thereby it is also possible to connect two electrical conductors 6 with different cross-section of the terminal 1.

Die in den Figuren dargestellte elektrische Anschlußklemme 1 ist für den Einsatz auf Leiterplatten vorgesehen, so daß der Strombalken 7 mit einem Stekkerteil 16 verbunden ist, welches zwei Lötstifte 17 aufweist. Der Strombalken 7 und das Steckerteil 16 mit den beiden Lötstiften 17 bilden dabei ein einstükkiges Metallteil 18, wie insbesondere aus den Fig. 2 und 3 ersichtlich ist. Selbstverständlich kann der Strombalken 7 anstelle mit einem Steckerteil 16 auch mit einem Buchsenteil verbunden sein, wenn die Anschlußklemme 1 nicht als Printklemme ausgebildet sein soll.The electrical terminal 1 shown in the figures is intended for use on printed circuit boards, so that the current bar 7 is connected to a Stekkerteil 16, which has two solder pins 17. The current bar 7 and the plug part 16 with the two solder pins 17 thereby form a one-piece metal part 18, as can be seen in particular from FIGS. 2 and 3. Of course, the current bar 7 may be connected instead of a plug part 16 with a female part, if the terminal 1 should not be designed as a print terminal.

Für das stromführende Metallteil 18, welches als einfaches Stanz-Biegeteil herstellbar ist, kann beispielsweise eine hochwertige Kupferlegierung verwendet werden, wobei die Oberfläche des Metallteils 18 vorzugsweise durch eine bleifreie galvanische Nickel- bzw. Zinnschicht geschützt ist. Für die ebenfalls einteilige Klemmfeder 10 wird dagegen zumeist ein Federstrahl, insbesondere ein hochfester Chrom-Nickel-Federstahl verwendet, welcher die erforderliche Federkraft und damit die benötigte Kontaktkraft optimal gewährleistet. Zur leichteren Vormontage von Klemmfeder 10 und Metallteil 18 sind in der Klemmfeder 10 entsprechende Auskerbungen 19 ausgestanzt, in die das Metallteil 18 eingesetzt werden kann. Darüber hinaus erfolgt in der Regel noch eine zusätzliche Verbindung mittels Schweißpunkten zwischen der Kontaktfeder 10 und dem Metallteil 18, so daß es nicht zu Relativbewegungen der beiden Teile kommt.For example, a high-quality copper alloy can be used for the current-carrying metal part 18, which can be produced as a simple stamped and bent part, wherein the surface of the metal part 18 is preferably protected by a lead-free galvanic nickel or tin layer. For the one-piece clamping spring 10, however, usually a spring beam, in particular a high-strength chrome-nickel spring steel is used, which optimally ensures the required spring force and thus the required contact force. For easier pre-assembly of clamping spring 10 and metal part 18 corresponding notches 19 are punched out in the clamping spring 10, in which the metal part 18 can be used. In addition, as a rule, an additional connection by means of welds between the contact spring 10 and the metal part 18, so that it does not come to relative movements of the two parts.

Anstelle der in den Figuren dargestellten und zuvor beschriebenen einteiligen Ausbildung des Strombalkens 7 und der Klemmfeder 10 können grundsätzlich auch zwei einzelne Klemmfedern und zwei einzelne Strombalken verwendet werden, wobei dann jeweils eine Klemmfeder und ein Strombalken einen Federkraftklemmanschluß bilden. Die zuvor beschriebene Einteiligkeit von Strombalken 7 und Klemmfeder 10 hat jedoch den Vorteil, daß insgesamt weniger Bauteile montiert werden müssen, wodurch sich die Herstellung der elektrischen Anschlußklemme 1 insgesamt vereinfacht.Instead of the one-part design of the current bar 7 and the clamping spring 10 shown in the figures and described above, in principle, two individual clamping springs and two individual current bars can be used, then in each case a clamping spring and a current bar form a Federkraftklemmanschluß. The above-described one-part of However, current bar 7 and clamping spring 10 has the advantage that a total of fewer components must be mounted, thereby simplifying the production of the electrical terminal 1 as a whole.

In dem Gehäuse 2 der elektrischen Anschlußklemme 1 ist ein Betätigungsdrücker 20 verschiebbar angeordnet, der insbesondere zum Öffnen der Klemmstellen und damit zum Freigeben eines angeschlossenen elektrischen Leiters 6 dient, damit der Leiter 6 wieder aus der elektrischen Klemme 1 herausgezogen werden kann. Hierzu kann der Betätigungsdrücker 20 aus einer ersten Position (Fig. 4), in der der Betätigungsdrücker 20 die Klemmschenkel 8, 9 nicht auslenkt, in eine zweite Position (Fig. 1) eingedrückt werden, in der das in die Anschlußkammer 3 ragende Ende des Betätigungsdrückers 20 die Klemmschenkel 8, 9 gegen ihre Federkraft auslenkt. Ein Eindrücken des Betätigungsdrückers 20 in die Anschlußkammer 3 ist auch zweckmäßig, um die Kontaktstelle zwischen dem Strombalken 7 und dem freien Ende der Klemmschenkel 8, 9 zu öffnen, wenn ein weniger steifer elektrischer Leiter 6 eingeschoben werden soll. Tatsächlich ist auch möglich, anstelle eines gemeinsamen Betätigungsdrückers für beide Federkraftklemmanschlüsse zwei voneinander getrennte Betätigungsdrücker vorzusehen, die dann jeweils nur eine Klemmstelle öffnen.In the housing 2 of the electrical terminal 1, an actuating push button 20 is slidably disposed, which serves in particular for opening the terminal points and thus for releasing a connected electrical conductor 6, so that the conductor 6 can be pulled out of the electrical terminal 1 again. For this purpose, the actuating push-button 20 can be pressed from a first position (FIG. 4), in which the actuating push-button 20 does not deflect the clamping legs 8, 9, into a second position (FIG. 1) in which the end of the armature protruding into the connecting chamber 3 (FIG Actuator 20, the clamping legs 8, 9 deflects against their spring force. An impressions of the actuating lever 20 in the connection chamber 3 is also useful to open the contact point between the current bar 7 and the free end of the clamping legs 8, 9, when a less rigid electrical conductor 6 is to be inserted. In fact, it is also possible to provide two separate actuation levers instead of a common actuation lever for both spring-force terminal connections, which then open only one terminal point at a time.

Der Betätigungsdrücker 20 ist so im Gehäuse 2 angeordnet, daß die Betätigungsrichtung parallel zur Einsteckrichtung E verläuft, so daß der Betätigungsdrücker 20 durch die Federkraft der Klemmschenkel 8, 9 selbsttätig aus der zweiten Position in die erste Position zurückgedrückt wird. Wie insbesondere aus Fig. 2 ersichtlich ist, sind in dem Betätigungsdrücker 2 zwei Einlaßkanäle 21, 22 ausgebildet, welche zusammen mit dem Gehäuse 2 die Leitereinlässe 4, 5 zum Einführen der anzuschließenden Leiter 6 bilden. Aus Fig. 4 ist dabei ersichtlich, daß etwa 3/4 der Leitereinlässe 4, 5 in dem Betätigungsdrücker 20 und etwa 1/4 der Leitereinlässe 4, 5 in einer Seitenwand 23 des Gehäuses 2 ausgebildet sind. Dadurch kann eine elektrische Anschlußklemme 1 mit einem besonders geringem Rastermaß realisiert werden.The actuating lever 20 is arranged in the housing 2, that the actuating direction is parallel to the insertion direction E, so that the actuating lever 20 is pushed back by the spring force of the clamping legs 8, 9 automatically from the second position to the first position. As can be seen in particular from FIG. 2, two inlet channels 21, 22 are formed in the actuating lever 2, which together with the housing 2 form the conductor inlets 4, 5 for insertion of the conductors 6 to be connected. From Fig. 4 it can be seen that about 3/4 of the conductor inlets 4, 5 are formed in the actuating lever 20 and about 1/4 of the conductor inlets 4, 5 in a side wall 23 of the housing 2. As a result, an electrical terminal 1 can be realized with a particularly small pitch.

Aus den Fig. 2 und 4 ist darüber hinaus ersichtlich, daß in dem Betätigungsdrücker 20 eine Aufnahme 24 zum Einstecken eines Werkzeugs, insbesondere der Spitze eines Schraubendrehers ausgebildet ist. Hierdurch ist das Eindrükken des Betätigungsdrückers 20 auch bei sehr kleinen Abmessungen der elektrischen Anschlußklemme 1 einfach und bequem möglich. Der Betätigungsdrücker 20, der seitlich in dem Gehäuse 2 geführt ist, wird durch eine im Gehäuse 2 ausgebildete Nase 25 gegen Herausziehen des Betätigungsdrückers 20 aus dem Gehäuse 2 gesichert.From Figs. 2 and 4 is also apparent that in the actuating handle 20, a receptacle 24 for insertion of a tool, in particular the tip of a screwdriver is formed. This is the impression the actuating push button 20 easily and conveniently even with very small dimensions of the electrical terminal 1. The actuating handle 20, which is guided laterally in the housing 2, is secured by a formed in the housing 2 nose 25 against pulling out of the actuating handle 20 of the housing 2.

In dem Gehäuse 2 sind zwei Öffnungen 26 zum Einführen eines Prüfsteckers vorgesehen, die so angeordnet und ausgebildet sind, daß ein Prüfstecker durch jeweils eine Öffnung 26 in eine Kontaktstelle in der Anschlußkammer 3 eingesteckt werden kann. Die in den Figuren dargestellte Anschlußklemme 1 weist unter anderem auch dadurch eine besonders kompakte Bauform auf, daß das Gehäuse 2 einen in etwa 1/4-kreisförmigen Querschnitt mit zwei senkrecht zueinander verlaufenden Stirnseiten 27, 28 und einer dritten, die beiden geraden Stirnseiten 27, 28 verbindenden, bogenförmigen Stirnseite 29 aufweist. Dabei sind die beiden Leitereinlässe 4, 5 in der bogenförmigen Stirnseite 29 angeordnet, wobei die Leitereinlässe 4, 5 und damit auch die angeschlossenen elektrischen Leiter 6 sowie der Strombalken 7 unter einem Winkel von 45° zu den beiden geraden Stirnseiten 27, 28 verlaufen. Die beiden Lötstifte 17 des Steckerteils 16 können je nach Anordnung des Metallteils 18 und Ausbildung des Gehäuses 2 aus einer der beiden geraden Stirnseiten 27, 28 aus dem Gehäuse 2 austreten. Dies ermöglicht sowohl eine horizontale als auch eine vertikale Anbringung der elektrischen Anschlußklemme 1 auf einer Leiterplatte.In the housing 2, two openings 26 are provided for insertion of a test plug, which are arranged and designed so that a test plug can be inserted through a respective opening 26 in a contact point in the terminal chamber 3. The terminal 1 shown in the figures, inter alia, also characterized by a particularly compact design, that the housing 2 has a roughly 1/4 circular cross-section with two mutually perpendicular end faces 27, 28 and a third, the two straight end faces 27, 28 connecting, arcuate end face 29 has. The two conductor inlets 4, 5 are arranged in the arcuate end face 29, wherein the conductor inlets 4, 5 and thus also the connected electrical conductors 6 and the current bar 7 at an angle of 45 ° to the two straight end faces 27, 28 extend. Depending on the arrangement of the metal part 18 and the formation of the housing 2, the two solder pins 17 of the plug part 16 can emerge from the housing 2 from one of the two straight end faces 27, 28. This allows both a horizontal and a vertical mounting of the electrical terminal 1 on a circuit board.

In Fig. 4 sind drei elektrische Anschlußklemmen 1 dargestellt, die zusammen zu einem Anschlußklemmenblock verrastet sind. Dazu sind am Gehäuse 2 Rastelemente in Form von Rastzapfen 30 und korrespondierenden Rastlöchern 31 ausgebildet. Wie aus Fig. 2 ersichtlich ist, weist das Gehäsue 2 nur eine Seitenwand 23 auf, so daß die andere Seitenfläche des Gehäuses 2 offen ist. Diese offene Seitenfläche des Gehäuses 2 wird entweder durch die Seitenwand 23 des Gehäuses 2 einer benachbarten Anschlußklemme 1 oder durch einen separaten Deckel 32 verschlossen, so daß die elektrische Anschlußklemme 1 bzw. der aus mehreren Anschlußklemmen 1 zusammengesetzte Anschlußklemmenblock die erforderliche Schutzklasse aufweist.In Fig. 4, three electrical terminals 1 are shown, which are locked together to form a terminal block. For this purpose, 2 latching elements in the form of locking pin 30 and corresponding locking holes 31 are formed on the housing. As is apparent from Fig. 2, the Gehäsue 2 only one side wall 23, so that the other side surface of the housing 2 is open. This open side surface of the housing 2 is closed either by the side wall 23 of the housing 2 of an adjacent terminal 1 or by a separate lid 32, so that the electrical terminal 1 and the terminal block 1 composed of several terminals has the required degree of protection.

Claims (17)

Elektrische Anschlußklemme mit einem Gehäuse (2), mit einer darin ausgebildeten Anschlußkammer (3) und zwei in die Anschlußkammer (3) führenden Leitereinlässen (4, 5) für anzuschließende elektrische Leiter (6), mit einer in der Anschlußkammer (3) angeordneten Leiteranschlußanordnung je Leitereinlaß (4, 5), jeweils bestehend aus einem Strombalken (7) und einem Klemmschenkel (8, 9) einer Klemmfeder (10), wobei der Klemmschenkel (8, 9) und der Strombalken (7) einen Federkraftklemmanschluß für den anzuschließenden elektrischen Leiter (6) bilden, und wobei die beiden Klemmschenkel (8, 9) jeweils mit einem Anlageschenkel (11, 12) verbunden sind,
dadurch gekennzeichnet,
daß nur eine Klemmfeder (10) in dem Gehäuse (2) angeordnet ist, wobei die beiden Anlageschenkel (11, 12) an ihren den Klemmschenkeln (8, 9) fernen Ende miteinander verbunden sind und am Rand der Anschlußkammer (3) an der Gehäusewandung anliegen, und
daß der Strombalken (7) bzw. die Strombalken und die Klemmfeder (10) so angeordnet und ausgebildet sind, daß der Strombalken (7) bzw. die Strombalken zwischen den beiden Klemmschenkeln (8, 9) angeordnet ist bzw. sind und im wesentlichen parallel zur Einsteckrichtung (E) der anzuschließenden Leiter (6) verläuft bzw. verlaufen.Electrical connection terminal with a housing (2), with a connection chamber (3) formed therein and two conductor inlets (4, 5) for electrical conductors (6) leading into the connection chamber (3), with a conductor connection arrangement arranged in the connection chamber (3) each conductor inlet (4, 5), each consisting of a current bar (7) and a clamping leg (8, 9) of a clamping spring (10), wherein the clamping legs (8, 9) and the current bar (7) a spring terminal connection for the electrical to be connected Forming conductor (6), and wherein the two clamping legs (8, 9) are each connected to a plant leg (11, 12),
characterized,
that only one clamping spring (10) in the housing (2) is arranged, wherein the two bearing limbs (11, 12) at their the clamping legs (8, 9) far end are connected to each other and at the edge of the terminal chamber (3) on the housing wall abut, and
that the current bar (7) or the current bar and the clamping spring (10) are arranged and configured so that the current bar (7) or the current bar between the two clamping legs (8, 9) is arranged and are substantially parallel to the insertion direction (E) of the conductor to be connected (6) runs or run. Elektrische Anschlußklemme nach Anspruch 1, dadurch gekennzeichnet, daß nur ein Strombalken (7) in dem Gehäuse (2) angeordnet ist, wobei je eine Seite des Strombalkens (7) mit je einem Klemmschenkel (8, 9) einen Federkraftklemmanschluß bildet.Electrical terminal according to claim 1, characterized in that only one current bar (7) in the housing (2) is arranged, wherein each one side of the current bar (7), each with a clamping leg (8, 9) forms a Federkraftklemmanschluß. Elektrische Anschlußklemme nach Anspruch 2, dadurch gekennzeichnet, daß der Strombalken (7) aus zwei im wesentlichen parallel zueinander verlaufenden Strombalkenabschnitten (13, 14) besteht, wobei die beiden Strombalkenabschnitte (13, 14) über einen entgegengesetzt zur Einsteckrichtung (E) weisenden, gebogenen Verbindungsbereich (15) miteinander verbunden sind und wobei je ein Strombalkenabschnitt (13, 14) mit je einem Klemmschenkel (8, 9) einen Federkraftklemmanschluß bildet.Electrical terminal according to claim 2, characterized in that the current bar (7) consists of two substantially parallel to each other current bar sections (13, 14), wherein the two current bar sections (13, 14) via an opposite to the insertion direction (E) facing, curved Connection region (15) are interconnected and wherein each a current bar portion (13, 14), each with a clamping leg (8, 9) forms a spring terminal connection. Elektrische Anschlußklemme nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Strombalken (7) mit einem Steckerteil (16) verbunden ist, das mindestens einen Lötstift (17) aufweist.Electrical connection terminal according to Claim 2 or 3, characterized in that the current bar (7) is connected to a plug part (16) which has at least one soldering pin (17). Elektrische Anschlußklemme nach einem der Ansprüche 2 bis 4, mit einer Klemmfeder (10), dadurch gekennzeichnet, daß die Klemmfeder (10) und der Strombalken (7) bzw. das aus Strombalken (7) und Steckerteil (16) bestehende Metallteil (18) mechanisch miteinander verbunden sind.Electrical terminal according to one of Claims 2 to 4, with a clamping spring (10), characterized in that the clamping spring (10) and the current bar (7) or the metal part (18) consisting of current bar (7) and plug part (16) mechanically interconnected. Elektrische Anschlußklemme nach Anspruch 5, dadurch gekennzeichnet, daß die Klemmfeder (10) Auskerbungen (19) und/oder Vorsprüngen aufweist, die zur Aufnahme des Strombalkens (7) bzw. des Metallteils (18) dienen.Electrical terminal according to Claim 5, characterized in that the clamping spring (10) has notches (19) and / or projections which serve to receive the current bar (7) or the metal part (18). Elektrische Anschlußklemme nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß mindestens ein Betätigungsdrücker (20) im Gehäuse (2) angeordnet ist, der aus einer ersten Position, in der der Betätigungsdrücker (20) die Klemmschenkel (8, 9) nicht auslenkt, in eine zweite Position, in der der Betätigungsdrücker (20) die Klemmschenkel (8, 9) gegen ihre Federkraft auslenkt, verschiebbar ist, so daß in der zweiten Position des Betätigungsdrückers (20) der Federkraftklemmanschluß oder die Federkraftklemmanschlüsse geöffnet ist bzw. sind, so daß ein Leiter (6) oder beide Leiter (6) aus der Anschlußklemme (1) herausziehbar oder in die Anschlußklemme (1) einsteckbar ist bzw. sind.Electrical terminal according to one of claims 1 to 6, characterized in that at least one actuating push-button (20) is arranged in the housing (2), which does not deflect the clamping legs (8, 9) from a first position in which the actuating push-button (20) in a second position, in which the actuating push-button (20) deflects the clamping legs (8, 9) against their spring force, is displaceable, so that in the second position of the actuating push-button (20) the spring-force clamping connection or the spring-force clamping connections is open, so that a conductor (6) or both conductors (6) from the terminal (1) can be pulled out or in the terminal (1) can be inserted or are. Elektrische Anschlußklemme nach Anspruch 7, dadurch gekennzeichnet, daß die Leitereinlässe (4, 5) zum Einführen der anzuschließenden Leiter (6) vom Gehäuse (2) und dem Betätigungsdrücker (20) oder den Betätigungsdrückern (20) gebildet sind.Electrical terminal according to Claim 7, characterized in that the conductor inlets (4, 5) for insertion of the conductors (6) to be connected are formed by the housing (2) and the actuating push-button (20) or the actuating levers (20). Elektrische Anschlußklemme nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß der oder die Betätigungsdrücker (20) derart im Gehäuse (2) angeordnet ist bzw. sind, daß die Betätigungsrichtung parallel zur Einsteckrichtung (E) verläuft und daß der oder die Betätigungsdrücker (20) durch die Federkraft der Klemmschenkel (8, 9) aus der zweiten Position in die erste Position zurückgedrückt wird bzw. werden.Electrical terminal according to Claim 7 or 8, characterized in that the actuating push-button or push-buttons (20) is / are arranged in the housing (2) such that the actuation direction runs parallel to the insertion direction (E) and that the actuating push-button or push-buttons (20) is pushed back from the second position to the first position by the spring force of the clamping legs (8, 9). Elektrische Anschlußklemme nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß in dem Betätigungsdrücker (20) oder in den Betätigungsdrückern (20) eine Aufnahme (24) zum Einstecken eines Werkzeugs, insbesondere der Spitze eines Schraubendrehers, ausgebildet ist.Electrical terminal according to one of Claims 7 to 9, characterized in that a receptacle (24) for inserting a tool, in particular the tip of a screwdriver, is formed in the actuation lever (20) or in the actuation levers (20). Elektrische Anschlußklemme nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß nur ein Betätigungsdrücker (20) im Gehäuse (2) angeordnet ist, der in der zweiten Position gleichzeitig beide Federkraftklemmanschlüsse öffnet.Electrical terminal according to one of claims 7 to 10, characterized in that only one actuating push-button (20) in the housing (2) is arranged, which opens in the second position at the same time both Federkraftklemmanschlüsse. Elektrische Anschlußklemme nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß in dem Gehäuse (2) mindestens eine Öffnung (26) für einen Prüfstecker ausgebildet ist.Electrical terminal according to one of Claims 1 to 11, characterized in that at least one opening (26) for a test plug is formed in the housing (2). Elektrische Anschlußklemme nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, daß in dem Gehäuse (2) eine Führung für den bzw. die Betätigungsdrücker (20) ausgebildet ist.Electrical terminal according to one of Claims 7 to 12, characterized in that a guide for the actuating push-button (s) (20) is formed in the housing (2). Elektrische Anschlußklemme nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß das Gehäuse (2) eine etwa 1/4-kreisförmige Querschnitt mit zwei senkrecht zueinander verlaufenden Stirnseiten (27, 28) und einer dritten, die beiden geraden Stirnseiten (27, 28) verbindenden, bogenförmigen Stirnseite (29) aufweist.Electrical terminal according to one of Claims 1 to 13, characterized in that the housing (2) has an approximately 1/4 circular cross section with two end faces (27, 28) extending perpendicular to one another and a third, the two straight end faces (27, 28 ), arcuate end face (29). Elektrische Anschlußklemme nach Anspruch 4 und 14, dadurch gekennzeichnet, daß die beiden Leitereinlässe (4, 5) in der bogenförmigen Stirnseite (29) angeordnet sind, vorzugsweise unter einen Winkel von etwa 45° zu den beiden geraden Stirnseiten (27, 28) verlaufen, und daß das Steckerteil (16), insbesondere der mindestens eine Lötstift (17), an einer der beiden geraden Stirnseiten (27) aus dem Gehäuse (2) heraustritt.Electrical terminal according to claim 4 and 14, characterized in that the two conductor inlets (4, 5) in the arcuate end face (29) are arranged, preferably at an angle of approximately 45 ° to the two straight end faces (27, 28), and that the plug part (16), in particular the at least one solder pin (17), emerges from the housing (2) on one of the two straight end faces (27). Elektrische Anschlußklemme nach Anspruch 14 oder 15, dadurch gekennzeichnet, daß das Gehäuses (2) Rastelemente (30, 31) aufweist, so daß das Gehäuse (2) mit einem zweiten Gehäuse (2) verbindbar ist.Electrical terminal according to claim 14 or 15, characterized in that the housing (2) locking elements (30, 31), so that the housing (2) with a second housing (2) is connectable. Elektrische Anschlußklemme nach einem der Ansprüche 14 bis 16, dadurch gekennzeichnet, daß eine Seitenfläche des Gehäuses (2) offen ist und daß diese Seitenfläche mittels eines Deckel (32) verschließbar ist.Electrical terminal according to one of Claims 14 to 16, characterized in that one side face of the housing (2) is open and that this side face can be closed by means of a cover (32).
EP07001371A 2006-02-02 2007-01-23 Electrical connection terminal Active EP1816706B1 (en)

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JP (1) JP4928291B2 (en)
CN (1) CN101034769B (en)
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Also Published As

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CN101034769B (en) 2013-03-27
US7329143B2 (en) 2008-02-12
JP4928291B2 (en) 2012-05-09
DE102006005260A1 (en) 2007-08-16
ATE421783T1 (en) 2009-02-15
US20070178747A1 (en) 2007-08-02
EP1816706B1 (en) 2009-01-21
ES2321660T3 (en) 2009-06-09
CN101034769A (en) 2007-09-12
DE502007000386D1 (en) 2009-03-12
JP2007214126A (en) 2007-08-23

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