EP2605335B2 - Connection terminal - Google Patents

Connection terminal Download PDF

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Publication number
EP2605335B2
EP2605335B2 EP12196722.8A EP12196722A EP2605335B2 EP 2605335 B2 EP2605335 B2 EP 2605335B2 EP 12196722 A EP12196722 A EP 12196722A EP 2605335 B2 EP2605335 B2 EP 2605335B2
Authority
EP
European Patent Office
Prior art keywords
clamping
spring
connection terminal
operating
conductor insertion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12196722.8A
Other languages
German (de)
French (fr)
Other versions
EP2605335A3 (en
EP2605335A2 (en
EP2605335B1 (en
Inventor
Hans-Josef Köllmann
Michael Meyer
Wolfgang Gerberding
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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
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Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to EP16187324.5A priority Critical patent/EP3125372B2/en
Priority to PL16187324T priority patent/PL3125372T3/en
Priority to DK16187324.5T priority patent/DK3125372T3/en
Publication of EP2605335A2 publication Critical patent/EP2605335A2/en
Publication of EP2605335A3 publication Critical patent/EP2605335A3/en
Application granted granted Critical
Publication of EP2605335B1 publication Critical patent/EP2605335B1/en
Publication of EP2605335B2 publication Critical patent/EP2605335B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62977Pivoting levers actuating linearly camming means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/03Individual 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
    • H01R11/09Individual 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00Four or more poles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks

Definitions

  • the invention relates to a connection terminal according to the preamble of claim 1.
  • a terminal with a spring clamp connection and an actuating lever is known.
  • the actuating lever is pivotably mounted with its axis of rotation behind the clamping point below the clamping spring, viewed in the conductor insertion direction.
  • An actuating tab is bent at the free end of the clamping leg and interacts with an actuating finger of the actuating lever to open the spring-loaded terminal connection.
  • Other connection terminals are known from EP 1 081 790 A2 , JP2004 319394 , EP 0 821 433 A1 , DE 29 22 477 A1 , DE 20 2009 002240 U1 and EP 1 641 079 A1 .
  • connection terminal with the features of claim 1 .
  • the axis of rotation of the actuating lever is arranged transversely to the conductor insertion direction in an associated conductor insertion opening or in the conductor insertion direction continuing extension of the conductor insertion opening to the terminal point.
  • the actuating lever By arranging the actuating lever with its axis of rotation in the conductor entry opening or in alignment with the conductor entry opening toward the clamping point, the actuating lever rotates in the region of the clamping point or in the space in front of it.
  • This has the advantage that the actuating lever can be accommodated in the insulating housing in an extremely space-saving manner and at the same time serves as a wall of the conductor entry channel for guiding an electrical conductor.
  • the actuating lever thus replaces part of the guide wall for an electrical conductor of the conductor insertion opening.
  • Relocating the axis of rotation in the area of the clamping point or in alignment with the conductor entry opening in front of it also has the kinematic advantage that the clamping spring is actuated relatively close to the axis of rotation, which reduces the leverage forces on the insulating housing.
  • the actuating lever has at least one lateral boundary wall for guiding an electrical conductor inserted into a conductor insertion opening in the conductor insertion direction to an associated clamping point.
  • the at least one actuating lever is arranged adjacent to an associated busbar section forming the clamping point in such a way that the axis of rotation of the actuating lever is in the space between the plane spanned by the busbar piece section and the plane parallel thereto and defined by the clamping edge of the clamping spring that is fully open when the actuating lever is pivoted is arranged.
  • the actuating lever is preferably positioned with its axis of rotation below the busbar piece section in the direction of conductor insertion slightly in front of or directly below the clamping point.
  • the conductor rail in the section that forms the clamping point defines a first plane, regardless of any elevations for a contact edge, to which a second imaginary plane is spanned.
  • This second level is spaced apart from the level of the busbar piece in such a way that the clamping edge of an open clamping spring touches this level.
  • the space between the planes forms the preferred space in which the axis of rotation of the actuating lever should be in order to provide an extremely compact, mechanically stable connection terminal.
  • At least one actuating lever dips into a section of the busbar piece that is made adjacent to a clamping section of the associated busbar piece.
  • the actuating lever then acts on an actuating portion seen across the width of an associated clamping spring next to the Clamping portion of the clamping spring arranged actuating tab to open the clamping spring.
  • an actuating tab Viewed across the width of the busbar piece and the associated clamping spring, an actuating tab is then exposed on the clamping section of the clamping spring below this cutout, which is then acted upon by the actuating section of the actuating lever when the actuating lever is pivoted in order to open the clamping spring.
  • the electrical contacting of an electrical conductor then takes place adjacent to this cutout of the busbar piece or viewed across the width adjacent to the actuating tab through the clamping section of the clamping spring and a preferably provided contact edge of the busbar piece.
  • the actuating tab is preferably free of the clamping spring, e.g. by being punched or cut free, and protrudes obliquely from the clamping section of the clamping spring.
  • the at least one clamping spring is preferably configured as a clamping spring bent in a U-shape, the free clamping section of which points obliquely in the direction of an associated busbar piece.
  • a U-shaped clamping spring With the help of such a U-shaped clamping spring, direct clamping of an electrical conductor is possible without first opening the clamping spring with the associated actuating lever. this is also known as direct plug-in technology.
  • the at least one actuating lever has a protruding pivot on one side only. This trunnion is then rotatably received in a corresponding opening of the insulating material housing of the connection terminal and the axis of rotation defined by the trunnion. In this way, the actuating lever can be rotated on one side with the aid of the pivot pin in the insulating housing of the connection terminal. On the other hand, on the side opposite the one pivot, the actuating lever is only guided through a wall of the insulating material housing without a defined pivot.
  • the at least one actuating lever preferably has an actuating arm which extends in the direction of conductor insertion when the associated spring-loaded terminal connection is in the closed state.
  • the free end of the actuating arm thus ends opposite the conductor insertion opening in the area of the back of the connection terminal.
  • the at least one actuating lever may have an actuating arm which extends on the underside or the upper side of the connection terminal in the conductor insertion direction or in the opposite direction thereto.
  • actuating arms of the actuating levers extend alternately in the conductor insertion direction and in the opposite direction thereto or alternately extend on the underside and upper side in the same directions or alternately in opposite directions.
  • connection terminal has at least one pair of spring-loaded connection terminals located opposite one another, with conductor insertion openings running towards one another on the opposite front side and rear side of the connection terminal.
  • electrical conductors can thus be inserted both from the front and from the rear of the connection terminal in opposite conductor insertion directions and contacted with associated spring-loaded connection terminals.
  • Each spring-cage connection terminal of such a pair with opposing, optionally offset conductor entry openings has an actuating lever with an actuating arm, the actuating arms of which point in opposite directions from one another.
  • the actuating arms are preferably accommodated in the space between two conductor entry openings above or below the conductor entry openings on the top or bottom of the connection terminal in associated depressions in the insulating housing.
  • actuating arms of a pair of actuating levers are arranged on the same side or alternatively on opposite sides of the connection terminal.
  • figure 1 shows a connection terminal 1 with an insulating material housing 2, in which at least one pair of spring-loaded terminal connections 3a, 3b located opposite one another are installed.
  • the spring clamp connections 3a, 3b each have a U-shaped clamp spring 4 and a common busbar piece 5.
  • Each spring-loaded terminal connection 3a, 3b provides a clamping point through a clamping section 6 formed on the free, movable end of the clamping spring and in particular through the clamping edge on the free end of the clamping spring 4 and on the busbar section 5a opposite the clamping section 6.
  • an associated conductor insertion opening 7 is introduced into the insulating housing for each spring-loaded terminal connection 3a, 3b.
  • the conductor entry opening 7 has a diameter that is adapted to the largest possible cross section, including the insulating material jacket of an electrical conductor.
  • each spring force terminal connection 3a, 3b has an actuating lever 8 with an actuating section 9 and an actuating arm 10 adjoining it and extending in a longitudinal direction.
  • the left operating lever 8a is shown in the closed position and the right operating lever 8b in the open position of the clamping spring. It can be seen that the actuating levers 8a, 8b are pivoted through approximately 90° from the closed position to the open position. It is clear that the actuating lever 8a with its actuating section 9 and in particular the axis of rotation D about which the actuating levers 8a, 8b is pivotably mounted in the insulating material housing 2 of the connection terminal, in the space of the associated conductor insertion opening 7 or in the direction of conductor insertion L to the terminal point in the further extension of the Conductor insertion opening 7 is arranged. However, the axis of rotation D is still positioned in front of the clamping point as seen in the conductor insertion direction L and is by no means behind the clamping section 6 of the clamping spring 4 as seen in the conductor insertion direction L.
  • an actuating tab 11 is free next to the clamping section 6 and protrudes obliquely from the clamping section 6 .
  • an eccentric-like, projecting contour of the actuating section 9 of the associated actuating lever 8a, 8b acts on this actuating tab 11 at least partially during the movement sequence. In this way, the clamping section 6 of the clamping spring 4 is moved away from the adjacent busbar piece section 5a forming the clamping point, in order to open the clamping spring 4.
  • actuating levers 8a, 8b are accommodated in recesses in the insulating material housing 2 for receiving a part of the actuating arm 10.
  • the actuating arm 10 protrudes in the closed position (left actuating arm 8a in figure 1 ) opposite to the conductor insertion direction L on the respective front side of the associated conductor insertion opening 7 out of the insulating housing 2.
  • An optional embodiment is also conceivable in which the actuating arm 10 is rotated through 180° and points in the conductor insertion direction L in the closed position. This is particularly conceivable for a terminal in which there is only one spring-cage terminal over the illustrated length of the terminal in conductor insertion direction L and several spring-cage terminals in the direction of the figure 1 seen are arranged distributed over the width.
  • Terminal 1 shown is conceivable that not only such a pair of spring-loaded terminal connections 3a, 3b with associated actuating levers 8a, 8b is provided, but seen in the viewing direction over the width of the terminal several such arrangements are arranged side by side.
  • a jumper insertion opening 12 is provided on the top of the insulating material housing, which is open to the top side of the insulating material housing 2 .
  • the jumper insertion hole 12 opens into a jumper terminal connection formed by a material tab 13 of the conductor rail 5 and a downwardly bent end 14 of a clamping spring 4 .
  • Such jumpers have at least two comb teeth which extend in parallel and which are electrically conductively connected to one another via a web which runs transversely thereto. At least this transverse web can be surrounded by an insulating material jacket in a manner known per se.
  • the insulating material housing 2 is constructed in two parts and has a lower part 2a onto which an upper part 2b is snapped.
  • latching lugs 16 of the lower part 2a dip into associated latching openings 17 of the upper part 2b.
  • FIG 2 shows a perspective view of a spring clamp connection 3, which is formed from a U-shaped bent clamping spring 4 and a busbar section 5a.
  • the busbar piece section 5a forming the clamping point has a clamping projection 18 at its free end, which creates a defined contact surface for an electrical conductor that is reduced in terms of its area.
  • the clamping force of the clamping spring 4 is then concentrated via the electrical conductor onto this clamping surface defined by the clamping projection 18, so that the surface pressure is increased in comparison to a planar bearing surface.
  • the free end of the busbar piece section 5a forming the clamping point is angled obliquely upwards in order to provide a guide for an electrical conductor to the clamping edge 18 .
  • the busbar piece section 5a that forms the clamping point has a cutout 19 in the form of a depression, laterally adjacent to the clamping edge 18, into which the operating section 9 of the operating lever 8 dips.
  • this cutout 19 the actuating tab 11 is released from the clamping section 6 of the clamping spring 4 and extends in the direction of the conductor insertion direction L.
  • the side wall of the operating section 9 of the operating lever 8 forms a lateral boundary wall for an electrical conductor inserted to the terminal point, which is used to guide the electrical conductor to the terminal point.
  • the busbar 5 is folded over laterally in such a way that at a distance and parallel to the busbar piece section 5a forming the clamping point, a bearing surface 20 for supporting a contact leg 21 of the clamping spring 4 is created.
  • FIG 3 omits a perspective view of the spring clamp connection 3 with the actuating lever 8 figure 2 see from the other side.
  • the actuating section 9 can only be used on the in figure 3 recognizable side a pivot pin 22 protrudes.
  • the pivot pin 22 is circular and thus defines the axis of rotation D, about which the actuating lever 8 is accommodated in the insulating material housing 2 such that it can rotate.
  • the pivot pin 22 is provided in order to dip into a corresponding opening or recess, not shown, in the insulating material housing of the connection terminal 1 .
  • the actuating lever 8 is thus rotatably mounted on one side in the insulating material housing 2 by the pivot pin 22 serving as a bearing.
  • the operating lever 8 is guided laterally only in sections by insulating material walls 2 and/or the busbar section 5a of the insulating material housing 2 without a specific pivot bearing.
  • a suitable contour of the actuating section in coordination with the position of the axis of rotation D can, as shown, allow the open actuating lever 8 to be held in an over-center position.
  • clamping spring 4 is formed in the form of a U-shaped clamping spring with a contact section 21, an adjoining spring arc 23 and in the adjoining clamping section 6 extending approximately in the direction of the contact leg 21.
  • FIG 4 shows a variant of the connection terminal 1 in a reduced side sectional view. It is clear that the left-hand actuating lever 8a for the left-hand spring clamp connection protrudes upwards from the top of the insulating-material housing.
  • the right-hand actuating lever 8b for the right-hand spring-loaded terminal connection 3b is arranged in a mirror-inverted manner in such a way that it protrudes from the underside of the insulating-material housing 2.
  • connection terminals in which, viewed over the length of the connection terminal, there is only one spring clamp connection and not as in the exemplary embodiments figure 1 and 4 two spring clamp terminals 3a, 3b located one behind the other are provided.
  • these embodiments are advantageously several such spring clamp terminals 3a across the width, ie in the direction of figure 4 seen arranged one after the other.
  • the actuating levers 8 protrude alternately at the top and bottom, viewed across the width.
  • the actuating arms 10 protrude alternately on the one hand in the conductor insertion direction and on the adjacent spring-loaded terminal connection 3 opposite to the conductor insertion direction L from the rear or front.
  • FIG. 5 shows figure 5 an embodiment of a multi-row terminal 1 in the form of a box terminal.
  • This terminal 1 has a plurality of spring clamp terminals 3 which are located next to one another and are electrically conductively connected to one another, the left-hand one of which is visible.
  • a clamping spring 4 is attached to a busbar piece 5 .
  • the clamping spring 4 is in turn bent into a U-shape, so that a clamping section 6 with a clamping cap at the free end protrudes against the busbar piece section 5a to form a clamping point.
  • the clamping edge lies on the busbar piece section 5a.
  • the clamping spring 4 has actuating tabs 11 on both sides of the clamping section 6.
  • connection terminal 1 The conductor rail sections 5 of the spring-loaded terminal connections 3 arranged next to one another in the direction of view diagonally to the right can be connected to one another in an electrically conductive manner.
  • connection terminal 1 an embodiment of the connection terminal 1 is also conceivable in which two spring-loaded terminal connections 3 lying next to one another are electrically connected to one another and two or three pairs of such spring-loaded terminal connections 3 connected to one another in an electrically conductive manner are provided.
  • two conductors for a single-phase power supply connection can be connected to each other with the L (phase), N (neutral conductor) and PE (earth) connections, so that a mains connection terminal is formed.
  • the actuating levers 8 are each arranged next to the clamping points, i.e. next to the busbar piece section 5a and the clamping section 6 directly behind the end of the conductor entry opening 7 formed in the insulating material housing 2 .
  • the actuating sections 9 of the actuating levers 8 form a continuation of the wall of the respective conductor insertion opening 7 in order to guide an electrical conductor to the terminal point.
  • Each actuation section 9 interacts with an associated actuation tab 11 of the clamping spring 4 .
  • the axis of rotation of the actuating lever 8 is, as in the previously described embodiment, below the busbar piece section 5 in the area of the clamping point. The axis of rotation extends transversely to the conductor insertion direction, which is predetermined by the direction in which the conductor insertion opening 7 extends.
  • the actuating arms 10 extend in the opposite direction to the conductor insertion direction L and are arranged on the upper side of the insulating housing 2 .
  • the free ends of the actuating arms 10 are in the area of the front.
  • the free ends of the actuating arms 10 are spaced apart from the boundary walls of the conductor entry opening 7 or the insulating housing 2 in such a way that they can be gripped and pivoted by hand.
  • figure 6 shows a perspective view of such an operating lever 8 seen from the front. It is clear, however, that there is an opening 24 in the middle, central area, into which a guide wall of the insulating material housing dips in order to guide the actuating lever 8 in the insulating material housing 2 in a tilt-proof manner.
  • the opening 24 is surrounded in the upper area by a peripheral collar. This serves to reinforce and stiffen the operating lever 8.
  • the actuating lever has a pivot pin 22 serving as a bearing at its two lateral outer ends.
  • the pivot pins 22 are received in corresponding openings in the insulating material housing 2 .
  • the opposing actuating sections 9 thus serve as a continuation of the conductor insertion opening 7.
  • the actuating levers 8 can have latching grooves 26 or projecting latching pins on the opposite side edges of the actuating arms 10 in order to latch the actuating lever to the insulating material housing 2 in the closed state and to prevent the actuating lever 8 from being opened unintentionally with reduced force.
  • FIG 8 omits a perspective view of the operating lever figure 6 and 7 seen from the bottom. It becomes clear that the opening 24 is closed again in the lower area. It can also be seen that the walls that form the actuating sections 9 merge into the actuating arm 10 via webs 27 on the underside of the actuating arm, thus forming the actuating arm 10 and to prevent deflection relative to the actuating sections 9 .
  • the actuating sections 9 have a contour matched to the axis of rotation D in such a way that the opened actuating lever 8 remains self-retaining in an over-center position.
  • FIG 9 shows a further embodiment of a connection terminal 1 with a plurality of spring-loaded terminal connections 3 arranged one behind the other in the viewing direction and associated actuating levers 8 .
  • the actuating lever 8 is shown upwards in the closed position, in which the clamping spring 4 of the spring-loaded terminal connection 3 is closed.
  • figure 10 shows the same actuating lever 8 in the open position, in which the spring-loaded terminal connection 3 is open.
  • the actuating lever 8 is arranged with its actuating section 9 directly behind the conductor insertion opening 7 in turn laterally next to the busbar piece 5 or the busbar piece section 5a forming the clamping point.
  • the axis of rotation D is in the conductor insertion opening 7 or directly behind it and viewed in the direction of conductor insertion L shortly before the terminal point and below the terminal point-forming busbar piece section 5a.
  • the actuating arms 10 of the actuating levers 8 are directed away from the conductor insertion openings 7 in the direction of the rear side of the connection terminal 1 in the conductor insertion direction L. This enables a very compact construction of the connection terminal 1 with simple and reliable actuation of the spring-loaded terminal connection 3 .
  • test opening 28 which is open to the clamping spring 4 is provided on the rear side of the insulating material housing 2 in the lower region. In this way, the voltage potential present at the spring-loaded terminal connection can be measured using a test pin inserted into the test opening 28 .
  • figure 11 omits a side view of the actuating levers 8 of the connection terminal 1 Figure 9 and 10 recognize. It is clear that the actuating arm 10 initially protrudes obliquely backwards from the actuating section 9 and then in the direction L of conductor insertion. The cross piece 10c can also be seen at the lower free end of the actuating arm 10.
  • the operating section 9 has a nose 30 which is matched to the position of the axis of rotation in such a way that the open operating lever 8 remains self-retaining in an over-center position.
  • FIG 12 omits a view of the actuator arm figure 11 see from below.
  • the construction of the actuating arm 10 with two arm sections 10a, 10b and the crosspiece 10c connecting the arm sections 10a, 10b at the free end becomes clear.
  • pivot pins 22 protrude laterally on the outer sides of the actuating sections 9 and are mounted in corresponding depressions in the insulating material housing 2 of the connection terminal 1 .

Description

Die Erfindung betrifft eine Anschlussklemme gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a connection terminal according to the preamble of claim 1.

DE 299 15 515 U1 offenbart eine Federklemme zum Anschließen elektrischer Leiter mit einem Isolierstoffgehäuse, das eine Anschlussklammer mit einer mit einem Stromschienenstück zusammenwirkenden Klemmfeder hat. In das Isolierstoffgehäuse ist ein Betätigungselement in Form eines Exenterhebels integriert, der drehbar im Isolierstoffgehäuse gelagert ist. Die Drehachse des Extenderhebels liegt im Wesentlichen senkrecht über der Klemmstelle. DE 299 15 515 U1 discloses a spring clamp for connecting electrical conductors with an insulating material housing which has a connection clamp with a clamping spring which interacts with a busbar piece. An actuating element in the form of an eccentric lever is integrated into the insulating material housing and is rotatably mounted in the insulating material housing. The axis of rotation of the extender lever is essentially vertical above the clamping point.

Aus DE 87 04 494 U1 ist eine Anschlussklemme mit einem Federkraftklemmanschluss und einem Betätigungshebel bekannt. Der Betätigungshebel ist mit seiner Drehachse in Leitereinsteckrichtung gesehen hinter der Klemmstelle unterhalb der Klemmfeder schwenkbar gelagert. Am freien Klemmschenkelende ist eine Betätigungslasche abgebogen, die mit einem Betätigungsfinger des Betätigungshebels zum Öffnen des Federkraftklemmanschlusses zusammenwirkt. Weitere Anschlussklemmen sind bekannt aus EP 1 081 790 A2 , JP 2004 319394 , EP 0 821 433 A1 , DE 29 22 477 A1 , DE 20 2009 002240 U1 und EP 1 641 079 A1 .Out of DE 87 04 494 U1 a terminal with a spring clamp connection and an actuating lever is known. The actuating lever is pivotably mounted with its axis of rotation behind the clamping point below the clamping spring, viewed in the conductor insertion direction. An actuating tab is bent at the free end of the clamping leg and interacts with an actuating finger of the actuating lever to open the spring-loaded terminal connection. Other connection terminals are known from EP 1 081 790 A2 , JP2004 319394 , EP 0 821 433 A1 , DE 29 22 477 A1 , DE 20 2009 002240 U1 and EP 1 641 079 A1 .

Ausgehend hiervon ist es Aufgabe der vorliegenden Erfindung, eine verbesserte, möglichst kleinbauende Anschlussklemme mit einem Federkraftklemmanschluss und Betätigungshebel zu schaffen, der auch im Hinblick auf die Kraftwirkung des Betätigungshebels auf die Anschlussklemme verbessert ist.Proceeding from this, it is the object of the present invention to create an improved terminal that is as small as possible with a spring-cage terminal and actuating lever, which is also improved with regard to the force effect of the actuating lever on the terminal.

Die Aufgabe wird durch die Anschlussklemme mit den Merkmalen des Anspruchs 1 gelöst.The task is solved by the connection terminal with the features of claim 1 .

Bei einer solchen Anschlussklemme ist die Drehachse des Betätigungshebels quer zur Leitereinführungsrichtung in einer zugeordneten Leitereinführungsöffnung oder der in Leitereinführungsrichtung zur Klemmstelle weiterführenden Verlängerung der Leitereinführungsöffnung angeordnet.In such a connection terminal, the axis of rotation of the actuating lever is arranged transversely to the conductor insertion direction in an associated conductor insertion opening or in the conductor insertion direction continuing extension of the conductor insertion opening to the terminal point.

Durch die Anordnung des Betätigungshebels mit seiner Drehachse in der Leitereinführungsöffnung oder in der Flucht der Leitereinführungsöffnung zur Klemmstelle hin erfolgt die Drehung des Betätigungshebels im Bereich der Klemmstelle oder im davor liegenden Raum. Dies hat den Vorteil, dass der Betätigungshebel überaus platzsparend im Isolierstoffgehäuse aufgenommen werden kann und dabei gleichzeitig als Wand des Leitereinführungskanals zur Führung eines elektrischen Leiters dient. Damit ersetzt der Betätigungshebel einen Teil der Führungswand für einen elektrischen Leiter der Leitereinführungsöffnung.By arranging the actuating lever with its axis of rotation in the conductor entry opening or in alignment with the conductor entry opening toward the clamping point, the actuating lever rotates in the region of the clamping point or in the space in front of it. This has the advantage that the actuating lever can be accommodated in the insulating housing in an extremely space-saving manner and at the same time serves as a wall of the conductor entry channel for guiding an electrical conductor. The actuating lever thus replaces part of the guide wall for an electrical conductor of the conductor insertion opening.

Das Verlegen der Drehachse in den Bereich der Klemmstelle bzw. in die Flucht der davor liegenden Leitereinführungsöffnung hat zudem den kinematischen Vorteil, dass die Betätigung der Klemmfeder relativ nah zur Drehachse erfolgt, was die Hebelkräfte auf das Isolierstoffgehäuse verringert.Relocating the axis of rotation in the area of the clamping point or in alignment with the conductor entry opening in front of it also has the kinematic advantage that the clamping spring is actuated relatively close to the axis of rotation, which reduces the leverage forces on the insulating housing.

Es ist daher vorteilhaft, wenn der Betätigungshebel zumindest eine seitliche Begrenzungswand zur Führung eines in Leitereinführungsrichtung in eine Leitereinführungsöffnung eingeführten elektrischen Leiters zu einer zugeordneten Klemmstelle hat.It is therefore advantageous if the actuating lever has at least one lateral boundary wall for guiding an electrical conductor inserted into a conductor insertion opening in the conductor insertion direction to an associated clamping point.

Erfindungsgemäß ist der mindestens eine Betätigungshebel angrenzend an einen zugeordneten, die Klemmstelle bildenden Stromschienenabschnitts so angeordnet, dass die Drehachse des Betätigungshebels im Raum zwischen der von dem Stromschienenstückabschnitt aufgespannten Ebene und der hierzu parallelen, durch die Klemmkante der beim Umschwenken des Betätigungshebels vollständig geöffneten Klemmfeder definierten Ebene angeordnet ist. Dabei ist der Betätigungshebel vorzugsweise unterhalb des Stromschienenstückabschnitts in Leitereinführungsrichtung etwas vor oder direkt unterhalb der Klemmstelle mit seiner Drehachse positioniert. Die Stromschiene im Abschnitt, der die Klemmstelle bildet, definiert unbeachtlich etwaiger Erhebungen für eine Kontaktkante eine erste Ebene, zu der eine zweite gedachte Ebene aufgespannt wird. Diese zweite Ebene ist derart von der Ebene des Stromschienenstücks beabstandet, dass die Klemmkante einer geöffneten Klemmfeder diese Ebene berührt. Der Zwischenraum zwischen den Ebenen bildet den bevorzugten Raum, in dem die Drehachse des Betätigungshebels sein sollte, um eine überaus kompakt bauende, mechanisch stabile Anschlussklemme bereitzustellen.According to the invention, the at least one actuating lever is arranged adjacent to an associated busbar section forming the clamping point in such a way that the axis of rotation of the actuating lever is in the space between the plane spanned by the busbar piece section and the plane parallel thereto and defined by the clamping edge of the clamping spring that is fully open when the actuating lever is pivoted is arranged. In this case, the actuating lever is preferably positioned with its axis of rotation below the busbar piece section in the direction of conductor insertion slightly in front of or directly below the clamping point. The conductor rail in the section that forms the clamping point defines a first plane, regardless of any elevations for a contact edge, to which a second imaginary plane is spanned. This second level is spaced apart from the level of the busbar piece in such a way that the clamping edge of an open clamping spring touches this level. The space between the planes forms the preferred space in which the axis of rotation of the actuating lever should be in order to provide an extremely compact, mechanically stable connection terminal.

Besonders vorteilhaft ist es, wenn mindestens ein Betätigungshebel in einen angrenzend an einen Klemmabschnitt des zugeordneten Stromschienenstücks eingebrachten Ausschnitt des Stromschienenstücks eintaucht. Der Betätigungshebel beaufschlagt dann mit einem Betätigungsabschnitt einen über die Breite einer zugeordneten Klemmfeder gesehen neben dem Klemmabschnitt der Klemmfeder angeordnete Betätigungslasche, um die Klemmfeder zu öffnen. Mit Hilfe des Ausschnitts an einer Seitenkante des Stromschienenstücks gelingt es, den Betätigungshebel platzsparend aufzunehmen. Über die Breite des Stromschienenstücks und der zugeordneten Klemmfeder gesehen, ist dann an dem Klemmabschnitt der Klemmfeder unterhalb dieses Ausschnitts eine Betätigungslasche herausgestellt, die dann von dem Betätigungsabschnitt des Betätigungshebels bei Verschwenken des Betätigungshebels beaufschlagt wird, um die Klemmfeder zu öffnen. Die elektrische Kontaktierung eines elektrischen Leiters erfolgt dann angrenzend an diesen Ausschnitt des Stromschienenstücks bzw. über die Breite gesehen angrenzend an die Betätigungslasche durch den Klemmabschnitt der Klemmfeder und eine vorzugsweise vorgestellte Kontaktkante des Stromschienenstücks.It is particularly advantageous if at least one actuating lever dips into a section of the busbar piece that is made adjacent to a clamping section of the associated busbar piece. The actuating lever then acts on an actuating portion seen across the width of an associated clamping spring next to the Clamping portion of the clamping spring arranged actuating tab to open the clamping spring. With the help of the cutout on a side edge of the busbar piece, it is possible to accommodate the actuating lever in a space-saving manner. Viewed across the width of the busbar piece and the associated clamping spring, an actuating tab is then exposed on the clamping section of the clamping spring below this cutout, which is then acted upon by the actuating section of the actuating lever when the actuating lever is pivoted in order to open the clamping spring. The electrical contacting of an electrical conductor then takes place adjacent to this cutout of the busbar piece or viewed across the width adjacent to the actuating tab through the clamping section of the clamping spring and a preferably provided contact edge of the busbar piece.

Die Betätigungslasche ist vorzugsweise von der Klemmfeder freigestellt, z.B. durch Freistanzen oder Freischneiden, und ragt schräg von dem Klemmabschnitt der Klemmfeder ab.The actuating tab is preferably free of the clamping spring, e.g. by being punched or cut free, and protrudes obliquely from the clamping section of the clamping spring.

Die mindestens eine Klemmfeder ist bevorzugt als eine U-förmig gebogene Klemmfeder ausgestaltet, deren freier Klemmabschnitt schräg in Richtung eines zugeordneten Stromschienenstücks weist. Mit Hilfe einer solchen U-förmig gebogenen Klemmfeder ist ein direktes Einklemmen eines elektrischen Leiters ohne vorheriges Öffnen der Klemmfeder mit dem zugeordneten Betätigungshebel möglich. dies ist auch als Direktstecktechnik bekannt.The at least one clamping spring is preferably configured as a clamping spring bent in a U-shape, the free clamping section of which points obliquely in the direction of an associated busbar piece. With the help of such a U-shaped clamping spring, direct clamping of an electrical conductor is possible without first opening the clamping spring with the associated actuating lever. this is also known as direct plug-in technology.

In einer bevorzugten Ausführungsform hat der mindestens eine Betätigungshebel nur auf einer Seite einen vorstehenden Drehzapfen. Dieser Drehzapfen ist dann in einer korrespondierende Öffnung des Isolierstoffgehäuses der Anschlussklemme und die durch den Drehzapfen definierte Drehachse rotierbar aufgenommen. Damit ist der Betätigungshebel mit Hilfe des Drehzapfens im Isolierstoffgehäuse der Anschlussklemme einseitig rotierbar gelagert. Auf der dem einen Drehzapfen gegenüberliegenden Seite wird der Betätigungshebel hingegen nur durch eine Wand des Isolierstoffgehäuses ohne definierten Drehzapfen geführt.In a preferred embodiment, the at least one actuating lever has a protruding pivot on one side only. This trunnion is then rotatably received in a corresponding opening of the insulating material housing of the connection terminal and the axis of rotation defined by the trunnion. In this way, the actuating lever can be rotated on one side with the aid of the pivot pin in the insulating housing of the connection terminal. On the other hand, on the side opposite the one pivot, the actuating lever is only guided through a wall of the insulating material housing without a defined pivot.

Der mindestens eine Betätigungshebel hat vorzugsweise ein Betätigungsarm, der sich im geschlossenen Zustand des zugeordneten Federkraftklemmanschlusses in Leitereinsteckrichtung erstreckt. Damit endet das freie Ende des Betätigungsarms gegenüberliegend zur Leitereinstecköffnung im Bereich der Rückseite der Anschlussklemme. Damit ist eine sehr kompakte Bauweise der Anschlussklemme möglich.The at least one actuating lever preferably has an actuating arm which extends in the direction of conductor insertion when the associated spring-loaded terminal connection is in the closed state. The free end of the actuating arm thus ends opposite the conductor insertion opening in the area of the back of the connection terminal. A very compact design of the connection terminal is thus possible.

Denkbar ist aber auch, dass der mindestens eine Betätigungshebel einen Betätigungsarm hat, der sich an der Unterseite oder der Oberseite der Anschlussklemme in Leitereinsteckrichtung oder entgegengesetzt hierzu erstreckt. Für möglichst kompakt bauende Varianten der Anschlussklemme sind insbesondere Kombinationen denkbar, bei denen sich Betätigungsarme der Betätigungshebel alternierend in Leitereinsteckrichtung und entgegengesetzt hierzu erstrecken bzw. alternierend auf der Unterseite und Oberseite in gleiche Richtungen oder in alternierend in entgegengesetzte Richtungen erstrecken.However, it is also conceivable for the at least one actuating lever to have an actuating arm which extends on the underside or the upper side of the connection terminal in the conductor insertion direction or in the opposite direction thereto. For variants of the terminal that are as compact as possible, combinations are particularly conceivable in which actuating arms of the actuating levers extend alternately in the conductor insertion direction and in the opposite direction thereto or alternately extend on the underside and upper side in the same directions or alternately in opposite directions.

Diese Ausführungsformen sind insbesondere abhängig von der konkreten Kombination von Federkraftanschlussklemmen und deren räumliche Lage zueinander.These embodiments depend in particular on the specific combination of spring-cage connection terminals and their spatial position in relation to one another.

In einer diesbezüglich bevorzugten Ausführungsform hat die Anschlussklemme mindestens ein Paar voneinander gegenüberliegenden Federkraftanschlussklemmen mit aufeinander zulaufenden Leitereinführungsöffnungen an der einander gegenüberliegenden Vorderseite und Rückseite der Anschlussklemme. Bei dieser Ausführungsform können elektrische Leiter somit sowohl von der Vorderseite als auch von der Rückseite der Anschlussklemme in entgegengesetzte Leitereinführungsrichtungen eingesteckt und mit zugeordneten Federkraftanschlussklemmen kontaktiert werden. Jede Federkraftanschlussklemme eines solchen Paares mit einander gegenüberliegenden, gegebenenfalls versetzten Leitereinführungsöffnungen, hat jeweils einen Betätigungshebel mit einem Betätigungsarm, deren Betätigungsarme in entgegengesetzte Richtungen voneinander weisen.In a preferred embodiment in this regard, the connection terminal has at least one pair of spring-loaded connection terminals located opposite one another, with conductor insertion openings running towards one another on the opposite front side and rear side of the connection terminal. In this embodiment, electrical conductors can thus be inserted both from the front and from the rear of the connection terminal in opposite conductor insertion directions and contacted with associated spring-loaded connection terminals. Each spring-cage connection terminal of such a pair with opposing, optionally offset conductor entry openings has an actuating lever with an actuating arm, the actuating arms of which point in opposite directions from one another.

Die Betätigungsarme werden dabei vorzugsweise in dem Raum zwischen zwei Leitereinführungsöffnungen oberhalb bzw. unterhalb der Leitereinführungsöffnungen an der Oberseite oder Unterseite der Anschlussklemme in zugeordnete Vertiefungen des Isolierstoffgehäuses aufgenommen.The actuating arms are preferably accommodated in the space between two conductor entry openings above or below the conductor entry openings on the top or bottom of the connection terminal in associated depressions in the insulating housing.

Bei dieser Ausführungsform ist es besonders vorteilhaft, wenn die Betätigungsarme eines Paares von Betätigungshebeln auf der gleichen Seite oder alternativ auf einander gegenüberliegenden Seiten der Anschlussklemme angeordnet sind.In this embodiment it is particularly advantageous if the actuating arms of a pair of actuating levers are arranged on the same side or alternatively on opposite sides of the connection terminal.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen mit den beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
- Seiten-Schnittansicht einer Doppel-Anschlussklemme mit zwei Federkraftanschlüssen und zugeordneten Betätigungshebeln;
Figur 2
- perspektivische Ansicht eines Federkraftklemmanschlusses mit zugeordneten Betätigungshebeln in Schließstellung;
Figur 3
- Federkraftklemmanschluss mit Betätigungshebel aus Figur 2 von der anderen Seite gesehen;
Figur 4
- Seiten-Schnittansicht einer Ausführungsform einer Ausführungsform einer Anschlussklemme mit alternierend auf der Ober- und Unterseite angeordneten Betätigungshebeln;
Figur 5
- perspektivische Schnitt-Teilansicht einer mehrreihigen Anschlussklemme als Dosenklemme;
Figur 6
- perspektivische Darstellung eines Betätigungshebels für die Anschlussklemme aus Figur 5;
Figur 7
- perspektivische Rückseitenansicht des Betätigungshebel aus Figur 6;
Figur 8
- perspektivische Ansicht des Betätigungshebels aus Figur 6 und 7 von unten;
Figur 9
- Seiten-Schnittansicht einer anderen Ausführungsform einer mehrreihigen Anschlussklemme in Form einer Dosenklemme mit nach hinten ausgerichteten Betätigungshebeln in Schließstellung;
Figur 10
- Seiten-Schnittansicht der Anschlussklemme aus Figur 9 mit Betätigungshebel in Offenstellung;
Figur 11
- Seitenansicht eines Betätigungshebels der Anschlussklemme aus Figur 9 und 10;
Figur 12
- Aufsicht auf die Unterseite des Betätigungshebels aus Figur 11.
The invention is explained in more detail below using exemplary embodiments with the accompanying drawings. Show it:
figure 1
- Side sectional view of a double terminal with two spring terminals and associated operating levers;
figure 2
- Perspective view of a spring terminal connection with associated actuating levers in the closed position;
figure 3
- Spring clamp connection with operating lever off figure 2 seen from the other side;
figure 4
- Side sectional view of an embodiment of an embodiment of a terminal with alternately arranged on the top and bottom operating levers;
figure 5
- Perspective sectional partial view of a multi-row terminal as a socket terminal;
figure 6
- Perspective view of an operating lever for the terminal block figure 5 ;
figure 7
- Rear perspective view of the operating lever figure 6 ;
figure 8
- Perspective view of the operating lever figure 6 and 7 from underneath;
figure 9
- Side sectional view of another embodiment of a multi-row terminal in the form of a box terminal with rearwardly directed actuating levers in the closed position;
figure 10
- Side sectional view of the terminal block figure 9 with operating lever in open position;
figure 11
- Side view of an operating lever of the terminal block Figure 9 and 10 ;
figure 12
- View of the underside of the operating lever figure 11 .

Figur 1 lässt eine Anschlussklemme 1 mit einem Isolierstoffgehäuse 2 erkennen, in das mindestens ein Paar voneinander gegenüberliegenden Federkraftklemmanschlüssen 3a, 3b eingebaut sind. Die Federkraftklemmanschlüsse 3a, 3b haben jeweils eine U-förmig gebogene Klemmfeder 4 sowie ein gemeinsames Stromschienenstück 5. figure 1 shows a connection terminal 1 with an insulating material housing 2, in which at least one pair of spring-loaded terminal connections 3a, 3b located opposite one another are installed. The spring clamp connections 3a, 3b each have a U-shaped clamp spring 4 and a common busbar piece 5.

Jeder Federkraftklemmanschluss 3a, 3b stellt eine Klemmstelle durch einen am freien, beweglichen Ende der Klemmfeder gebildeten Klemmabschnitt 6 und insbesondere durch die Klemmkante am freien Ende der Klemmfeder 4 sowie an dem dem Klemmabschnitt 6 gegenüberliegenden Stromschienenstückabschnitt 5a bereit. Zum Einführen eines elektrischen Leiters zu der Klemmstelle ist für jeden Federkraftklemmanschluss 3a, 3b eine zugeordnete Leitereinführungsöffnung 7 in das Isolierstoffgehäuse eingebracht. Die Leitereinführungsöffnung 7 hat einen Durchmesser, der an den größtmöglichen zulässigen Querschnitt mitsamt Isolierstoffmantel eines elektrischen Leiters angepasst ist.Each spring-loaded terminal connection 3a, 3b provides a clamping point through a clamping section 6 formed on the free, movable end of the clamping spring and in particular through the clamping edge on the free end of the clamping spring 4 and on the busbar section 5a opposite the clamping section 6. To insert an electrical conductor to the terminal point, an associated conductor insertion opening 7 is introduced into the insulating housing for each spring-loaded terminal connection 3a, 3b. The conductor entry opening 7 has a diameter that is adapted to the largest possible cross section, including the insulating material jacket of an electrical conductor.

Zum Öffnen der Klemmfedern 4 hat jeder Federkraftklemmanschluss 3a, 3b einen Betätigungshebel 8 mit einem Betätigungsabschnitt 9 sowie einen daran angrenzenden, sich in einer Längsrichtung erstreckenden Betätigungsarm 10.To open the clamping springs 4, each spring force terminal connection 3a, 3b has an actuating lever 8 with an actuating section 9 and an actuating arm 10 adjoining it and extending in a longitudinal direction.

In der Figur 1 ist der linke Betätigungshebel 8a in der Schließstellung und der rechte Betätigungshebel 8b in der geöffneten Stellung der Klemmfeder gezeigt. Erkennbar ist, dass die Betätigungshebel 8a, 8b um etwa 90° von der Schließstellung zur Offenstellung umgeschwenkt werden. Deutlich wird, dass der Betätigungshebel 8a mit seinem Betätigungsabschnitt 9 und insbesondere der Drehachse D um die der Betätigungshebel 8a, 8b schwenkbar im Isolierstoffgehäuse 2 der Anschlussklemme gelagert ist, im Raum der zugeordneten Leitereinführungsöffnung 7 bzw. in Leitereinführungsrichtung L zur Klemmstelle in der weiterführenden Verlängerung der Leitereinführungsöffnung 7 angeordnet ist. Die Drehachse D ist allerdings in Leitereinführungsrichtung L gesehen noch vor der Klemmstelle positioniert und liegt keinesfalls hinter den Klemmabschnitt 6 der Klemmfeder 4 in Leitereinführungsrichtung L gesehen.In the figure 1 the left operating lever 8a is shown in the closed position and the right operating lever 8b in the open position of the clamping spring. It can be seen that the actuating levers 8a, 8b are pivoted through approximately 90° from the closed position to the open position. It is clear that the actuating lever 8a with its actuating section 9 and in particular the axis of rotation D about which the actuating levers 8a, 8b is pivotably mounted in the insulating material housing 2 of the connection terminal, in the space of the associated conductor insertion opening 7 or in the direction of conductor insertion L to the terminal point in the further extension of the Conductor insertion opening 7 is arranged. However, the axis of rotation D is still positioned in front of the clamping point as seen in the conductor insertion direction L and is by no means behind the clamping section 6 of the clamping spring 4 as seen in the conductor insertion direction L.

Erkennbar ist weiterhin, dass in Richtung der Breite der Klemmfeder 4 gesehen neben dem Klemmabschnitt 6 jeweils eine Betätigungslasche 11 freigestellt ist und von dem Klemmabschnitt 6 schräg abragt. Eine exenterartige, vorspringende Kontur des Betätigungsabschnitts 9 des zugeordneten Betätigungshebels 8a, 8b beaufschlagt beim Verschwenken des Betätigungshebels 8a, 8b von der Schließstellung (linker Betätigungshebel 8a) zur Offenstellung (rechter Betätigungshebel 8b) diese Betätigungslasche 11 während des Bewegungsablaufs mindestens teilweise. Auf diese Weise wird der Klemmabschnitt 6 der Klemmfeder 4 von dem angrenzenden, die Klemmstelle bildenden Stromschienenstückabschnitt 5a weg bewegt, um die Klemmfeder 4 zu öffnen.It can also be seen that, viewed in the direction of the width of the clamping spring 4 , an actuating tab 11 is free next to the clamping section 6 and protrudes obliquely from the clamping section 6 . When the actuating lever 8a, 8b is pivoted from the closed position (left actuating lever 8a) to the open position (right actuating lever 8b), an eccentric-like, projecting contour of the actuating section 9 of the associated actuating lever 8a, 8b acts on this actuating tab 11 at least partially during the movement sequence. In this way, the clamping section 6 of the clamping spring 4 is moved away from the adjacent busbar piece section 5a forming the clamping point, in order to open the clamping spring 4.

Erkennbar ist weiterhin, dass die Betätigungshebel 8a, 8b in Vertiefungen des Isolierstoffgehäuses 2 für zur Aufnahme eines Teils des Betätigungsarmes 10 aufgenommen ist. Dabei ragt der Betätigungsarm 10 in der Schließstellung (linker Betätigungsarm 8a in Figur 1) entgegengesetzt zur Leitereinführungsrichtung L an der jeweiligen Vorderseite der zugehörigen Leitereinführungsöffnung 7 aus dem Isolierstoffgehäuse 2 hervor.It can also be seen that the actuating levers 8a, 8b are accommodated in recesses in the insulating material housing 2 for receiving a part of the actuating arm 10. The actuating arm 10 protrudes in the closed position (left actuating arm 8a in figure 1 ) opposite to the conductor insertion direction L on the respective front side of the associated conductor insertion opening 7 out of the insulating housing 2.

Optional ist noch eine Ausführungsform denkbar, bei der der Betätigungsarm 10 um 180° gedreht ist und in Leitereinführungsrichtung L in der Schließstellung weist. Dies ist insbesondere für eine Anschlussklemme denkbar, bei der nur ein Federkraftklemmanschluss über die dargestellte Länge der Anschlussklemme in Leitereinführungsrichtung L vorhanden ist und mehrere Federkraftklemmanschlüsse in Blickrichtung der Figur 1 gesehen über die Breite verteilt angeordnet sind.An optional embodiment is also conceivable in which the actuating arm 10 is rotated through 180° and points in the conductor insertion direction L in the closed position. This is particularly conceivable for a terminal in which there is only one spring-cage terminal over the illustrated length of the terminal in conductor insertion direction L and several spring-cage terminals in the direction of the figure 1 seen are arranged distributed over the width.

Bei der in Figur 1 dargestellten Anschlussklemme 1 ist denkbar, dass nicht nur ein solches Paar von Federkraftklemmanschlüssen 3a, 3b mit zugeordneten Betätigungshebeln 8a, 8b vorgesehen ist, sondern in Blickrichtung gesehen über die Breite der Anschlussklemme mehrere solche Anordnungen nebeneinander angeordnet sind.At the in figure 1 Terminal 1 shown is conceivable that not only such a pair of spring-loaded terminal connections 3a, 3b with associated actuating levers 8a, 8b is provided, but seen in the viewing direction over the width of the terminal several such arrangements are arranged side by side.

Aus der Figur 1 wird weiterhin deutlich, dass bei dem dargestellten Ausführungsbeispiel eine Brückereinführungsöffnung 12 an der Oberseite des Isolierstoffgehäuses vorgesehen ist, die zur Oberseite des Isolierstoffgehäuses 2 offen ist. Die Brückereinführungsöffnung 12 mündet in einen durch einen Materiallappen 13 der Stromschiene 5 und ein nach unten abgebogenes Ende 14 einer Klemmfeder 4 gebildeten Brückerklemmanschluss. Auf diese Weise lassen sich je nach Bedarf in Blickrichtung der Figur 1 gesehen über die Breite nebeneinander angeordnete Stromschienen 5 mit zugeordneten Federkraftklemmanschlüssen 3a, 3b elektrisch leitend miteinander verbinden. Solche Brücker haben mindestens zwei parallel sich erstreckende Kammzinken, die über ein quer hierzu verlaufenden Steg elektrisch leitend miteinander verbunden sind. Mindestens dieser quer verlaufende Steg kann von einem Isolierstoffmantel in an sich bekannter Weise umgeben sein.From the figure 1 It is also clear that in the illustrated embodiment, a jumper insertion opening 12 is provided on the top of the insulating material housing, which is open to the top side of the insulating material housing 2 . The jumper insertion hole 12 opens into a jumper terminal connection formed by a material tab 13 of the conductor rail 5 and a downwardly bent end 14 of a clamping spring 4 . In this way, depending on your needs in the direction of the figure 1 electrically conductively connect busbars 5 arranged next to one another across the width with associated spring-loaded terminal connections 3a, 3b. Such jumpers have at least two comb teeth which extend in parallel and which are electrically conductively connected to one another via a web which runs transversely thereto. At least this transverse web can be surrounded by an insulating material jacket in a manner known per se.

Deutlich wird weiterhin, dass das Isolierstoffgehäuse 2 zweiteilig aufgebaut ist und ein Unterteil 2a hat, auf das ein Oberteil 2b aufgerastet ist. Hierzu tauchen Rastnasen 16 des Unterteils 2a in zugeordnete Rastöffnungen 17 des Oberteils 2b ein.It is also clear that the insulating material housing 2 is constructed in two parts and has a lower part 2a onto which an upper part 2b is snapped. For this purpose, latching lugs 16 of the lower part 2a dip into associated latching openings 17 of the upper part 2b.

Figur 2 lässt eine perspektivische Ansicht eines Federkraftklemmanschlusses 3 erkennen, der aus einer U-förmig gebogenen Klemmfeder 4 und einem Stromschienenstückabschnitt 5a gebildet ist. Deutlich wird, dass der die Klemmstelle bildende Stromschienenstückabschnitt 5a an seinem freien Ende einen Klemmvorsprung 18 hat, durch den eine hinsichtlich seiner Fläche reduzierte, definierte Anlagefläche für einen elektrischen Leiter geschaffen wird. Die Klemmkraft der Klemmfeder 4 wird dann über den elektrischen Leiter auf diese durch den Klemmvorsprung 18 definierte Klemmfläche konzentriert, so dass der Flächendruck im Vergleich zu einer planaren Auflagefläche erhöht ist. Deutlich wird weiterhin, dass das freie Ende des Klemmstelle bildenden Stromschienenstückabschnitts 5a schräg nach oben abgewinkelt ist, um eine Führung für einen elektrischen Leiter zur Klemmkante 18 bereitzustellen. figure 2 shows a perspective view of a spring clamp connection 3, which is formed from a U-shaped bent clamping spring 4 and a busbar section 5a. It is clear that the busbar piece section 5a forming the clamping point has a clamping projection 18 at its free end, which creates a defined contact surface for an electrical conductor that is reduced in terms of its area. The clamping force of the clamping spring 4 is then concentrated via the electrical conductor onto this clamping surface defined by the clamping projection 18, so that the surface pressure is increased in comparison to a planar bearing surface. It is also clear that the free end of the busbar piece section 5a forming the clamping point is angled obliquely upwards in order to provide a guide for an electrical conductor to the clamping edge 18 .

Deutlich wird weiterhin, dass der Klemmstelle bildende Stromschienenstückabschnitt 5a seitlich benachbart zur Klemmkante 18 einen Ausschnitt 19 in Form einer Einsenkung hat, in die der Betätigungsabschnitt 9 des Betätigungshebels 8 eintaucht. Über die Breite der Klemmfeder 4, d.h. etwa in Blickrichtung der Figur 2 gesehen, ist unterhalb dieses Ausschnitts 19 die Betätigungslasche 11 vom Klemmabschnitt 6 der Klemmfeder 4 freigestellt und erstreckt sich in Richtung der Leitereinführungsrichtung L.It is also clear that the busbar piece section 5a that forms the clamping point has a cutout 19 in the form of a depression, laterally adjacent to the clamping edge 18, into which the operating section 9 of the operating lever 8 dips. Across the width of the clamping spring 4, ie approximately in the direction of figure 2 seen, below this cutout 19 the actuating tab 11 is released from the clamping section 6 of the clamping spring 4 and extends in the direction of the conductor insertion direction L.

Deutlich wird, dass die Seitenwand des Betätigungsabschnitts 9 des Betätigungshebels 8 für einen zur Klemmstelle eingeführten elektrischen Leiter eine seitliche Begrenzungswand bildet, die zur Führung des elektrischen Leiters zur Klemmstelle genutzt wird.It is clear that the side wall of the operating section 9 of the operating lever 8 forms a lateral boundary wall for an electrical conductor inserted to the terminal point, which is used to guide the electrical conductor to the terminal point.

Hinter dem Stromschienenstückabschnitt 5a, der die Klemmstelle bildet, ist die Stromschiene 5 seitlich umgefaltet derart, dass im Abstand und parallel zu dem die Klemmstelle bildenden Stromschienenstückabschnitt 5a eine Auflagefläche 20 zur Auflage eines Anlageschenkels 21 der Klemmfeder 4 geschaffen wird.Behind the busbar piece section 5a, which forms the clamping point, the busbar 5 is folded over laterally in such a way that at a distance and parallel to the busbar piece section 5a forming the clamping point, a bearing surface 20 for supporting a contact leg 21 of the clamping spring 4 is created.

Figur 3 lässt eine perspektivische Ansicht des Federkraftklemmanschlusses 3 mit Betätigungshebel 8 aus Figur 2 von der anderen Seite aus erkennen. Deutlich wird, dass von dem Betätigungsabschnitt 9 nur auf der in Figur 3 erkennbaren Seite ein Drehzapfen 22 hervorragt. Der Drehzapfen 22 ist kreisförmig und definiert damit die Drehachse D, um die der Betätigungshebel 8 rotierbar im Isolierstoffgehäuse 2 aufgenommen ist. Der Drehzapfen 22 ist vorgesehen, um in eine nicht dargestellte korrespondierende Öffnung bzw. Ausnehmung des Isolierstoffgehäuses der Anschlussklemme 1 einzutauchen. Damit wird der Betätigungshebel 8 durch den als Lager dienenden Drehzapfen 22 rotierbar im Isolierstoffgehäuse 2 einseitig gelagert. Auf der gegenüberliegenden, aus Figur 2 erkennbaren Seite wird der Betätigungshebel 8 hingegen nur abschnittsweise durch Isolierstoffwände 2 und/oder des Stromschienenstückabschnitts 5a des Isolierstoffgehäuses 2 ohne spezifische Drehlagerung seitlich geführt. figure 3 omits a perspective view of the spring clamp connection 3 with the actuating lever 8 figure 2 see from the other side. It becomes clear that the actuating section 9 can only be used on the in figure 3 recognizable side a pivot pin 22 protrudes. The pivot pin 22 is circular and thus defines the axis of rotation D, about which the actuating lever 8 is accommodated in the insulating material housing 2 such that it can rotate. The pivot pin 22 is provided in order to dip into a corresponding opening or recess, not shown, in the insulating material housing of the connection terminal 1 . The actuating lever 8 is thus rotatably mounted on one side in the insulating material housing 2 by the pivot pin 22 serving as a bearing. On the opposite, off figure 2 recognizable page, the operating lever 8, however, is guided laterally only in sections by insulating material walls 2 and/or the busbar section 5a of the insulating material housing 2 without a specific pivot bearing.

Durch eine geeignete Kontur des Betätigungsabschnitts in Abstimmung mit der Lage der Drehachse D kann wie dargestellt ein Selbsthalten des geöffneten Betätigungshebels 8 in einer Übertotpunktlage erreicht werden.A suitable contour of the actuating section in coordination with the position of the axis of rotation D can, as shown, allow the open actuating lever 8 to be held in an over-center position.

Aus den Figuren 2 und 3 wird weiterhin deutlich, dass die Klemmfeder 4 in Form einer U-förmigen Klemmfeder mit einem Anlageabschnitt 21, einen sich daran anschließenden Federbogen 23 und im sich daran anschließenden in etwa in Richtung des Anlageschenkels 21 erstreckenden Klemmabschnitt 6 gebildet ist.From the figures 2 and 3 it is also clear that the clamping spring 4 is formed in the form of a U-shaped clamping spring with a contact section 21, an adjoining spring arc 23 and in the adjoining clamping section 6 extending approximately in the direction of the contact leg 21.

Figur 4 lässt eine Variante der Anschlussklemme 1 in reduzierter Seiten-Schnittansicht erkennen. Deutlich wird, dass der linke Betätigungshebel 8a für den linken Federkraftklemmanschluss nach oben aus der Oberseite des Isolierstoffgehäuses herausragt. Der rechte Betätigungshebel 8b für den rechten Federkraftklemmanschluss 3b ist hingegen spiegelverkehrt hierzu derart angeordnet, dass er aus der Unterseite des Isolierstoffgehäuses 2 herausragt. figure 4 shows a variant of the connection terminal 1 in a reduced side sectional view. It is clear that the left-hand actuating lever 8a for the left-hand spring clamp connection protrudes upwards from the top of the insulating-material housing. The right-hand actuating lever 8b for the right-hand spring-loaded terminal connection 3b, on the other hand, is arranged in a mirror-inverted manner in such a way that it protrudes from the underside of the insulating-material housing 2.

Weitere Varianten sind denkbar. Dies gilt insbesondere für Varianten von Anschlussklemmen, bei denen über die Länge der Anschlussklemme gesehen nur ein Federkraftklemmanschluss und nicht wie in den Ausführungsbeispielen nach Figur 1 und 4 zwei hintereinander liegende Federkraftklemmanschlüsse 3a, 3b vorgesehen sind. Bei diesen Ausführungsformen sind vorteilhafterweise mehrere solche Federkraftklemmanschlüsse 3a über die Breite, d.h. in Blickrichtung der Figur 4 gesehen hintereinander angeordnet. Zum Einsparen von Bauraum kann es dann von Vorteil sein, wenn die Betätigungshebel 8 alternierend über die Breite gesehen an der Oberseite und Unterseite herausragen. Denkbar ist dabei auch eine Variante, bei der die Betätigungsarme 10 alternierend einerseits in Leitereinführungsrichtung und bei dem danebenliegenden Federkraftklemmanschluss 3 entgegengesetzt zur Leitereinführungsrichtung L aus der Rückseite bzw. Vorderseite herausragen.Other variants are conceivable. This applies in particular to variants of connection terminals in which, viewed over the length of the connection terminal, there is only one spring clamp connection and not as in the exemplary embodiments figure 1 and 4 two spring clamp terminals 3a, 3b located one behind the other are provided. In these embodiments are advantageously several such spring clamp terminals 3a across the width, ie in the direction of figure 4 seen arranged one after the other. In order to save installation space, it can be advantageous if the actuating levers 8 protrude alternately at the top and bottom, viewed across the width. A variant is also conceivable in which the actuating arms 10 protrude alternately on the one hand in the conductor insertion direction and on the adjacent spring-loaded terminal connection 3 opposite to the conductor insertion direction L from the rear or front.

Dabei ist noch eine Variante denkbar, dass nicht nur die Richtung der Betätigungsarme 10 alternierend wechseln, sondern auch die Ausrichtung der Betätigungshebel alternierend so sind, dass diese aus der Oberseite und benachbart aus der Unterseite des Isolierstoffgehäuses 2 herausragen bzw. in Vertiefungen an der Oberseite und alternierend der Unterseite aufgenommen sind.Another variant is conceivable in which not only the direction of the actuating arms 10 change alternately, but also the alignment of the actuating levers are alternately such that they protrude from the top and adjacent to the bottom of the insulating housing 2 or are accommodated in depressions on the top and alternately the bottom.

So zeigt Figur 5 eine Ausführungsform einer mehrreihigen Anschlussklemme 1 in Form einer Dosenklemme. Diese Anschlussklemme 1 hat mehrere nebeneinander liegende und elektrisch leitend miteinander verbundene Federkraftklemmanschlüsse 3 von denen der linke sichtbar ist. Es ist erkennbar, dass eine Klemmfeder 4 in ein Stromschienenstück 5 angehängt ist. Die Klemmfeder 4 ist wiederum U-förmig gebogen, so dass ein Klemmabschnitt 6 mit einer Klemmkappe am freien Ende zur Bildung einer Klemmstelle gegen den Stromschienenstückabschnitt 5a ragt. Im unbelasteten Zustand ohne eingeklemmten elektrischen Leiter liegt die Klemmkante an dem Stromschienenstückabschnitt 5a.So shows figure 5 an embodiment of a multi-row terminal 1 in the form of a box terminal. This terminal 1 has a plurality of spring clamp terminals 3 which are located next to one another and are electrically conductively connected to one another, the left-hand one of which is visible. It can be seen that a clamping spring 4 is attached to a busbar piece 5 . The clamping spring 4 is in turn bent into a U-shape, so that a clamping section 6 with a clamping cap at the free end protrudes against the busbar piece section 5a to form a clamping point. In the unloaded state without a clamped-in electrical conductor, the clamping edge lies on the busbar piece section 5a.

Die Klemmfeder 4 hat bei dieser Ausführungsform beidseits des Klemmabschnitts 6 Betätigungslaschen 11.In this embodiment, the clamping spring 4 has actuating tabs 11 on both sides of the clamping section 6.

Die Stromschienenstücke 5 der in Blickrichtung schräg nach rechts hinten nebeneinander angeordneten Federkraftklemmanschlüsse 3 können elektrisch leitend miteinander verbunden sein. Denkbar ist aber auch eine Ausführungsform der Anschlussklemme 1, bei der jeweils zwei nebeneinander liegende Federkraftklemmanschlüsse 3 elektrisch leitend miteinander verbunden sind und zwei oder drei Paare solcher elektrisch leitend miteinander verbundenen Federkraftklemmanschlüsse 3 vorgesehen sind. Damit können jeweils zwei Leiter für einen einphasigen Spannungsversorgungsanschluss mit den Anschlüssen L (Phase), N (Neutralleiter) und PE (Erde) jeweils miteinander verbunden werden, so dass eine Netzanschlussklemme gebildet wird.The conductor rail sections 5 of the spring-loaded terminal connections 3 arranged next to one another in the direction of view diagonally to the right can be connected to one another in an electrically conductive manner. However, an embodiment of the connection terminal 1 is also conceivable in which two spring-loaded terminal connections 3 lying next to one another are electrically connected to one another and two or three pairs of such spring-loaded terminal connections 3 connected to one another in an electrically conductive manner are provided. This means that two conductors for a single-phase power supply connection can be connected to each other with the L (phase), N (neutral conductor) and PE (earth) connections, so that a mains connection terminal is formed.

Deutlich wird, dass die Betätigungshebel 8 jeweils neben den Klemmstellen, d.h. neben dem Stromschienenstückabschnitt 5a und dem Klemmabschnitt 6 unmittelbar hinter dem Ende der im Isolierstoffgehäuse 2 ausgeformten Leitereinführungsöffnung 7 angeordnet sind. Die Betätigungsabschnitte 9 der Betätigungshebel 8 bilden eine Fortführung der Wand der jeweiligen Leitereinführungsöffnung 7, um einen elektrischen Leiter zur Klemmstelle zu führen. Jeder Betätigungsabschnitt 9 wirkt mit einer zugeordneten Betätigungslasche 11 der Klemmfeder 4 zusammen. Die Drehachse der Betätigungshebel 8 liegt wie in dem vorher beschriebenen Ausführungsbeispiel unterhalb des Stromschienenstückabschnitts 5 im Bereich der Klemmstelle. Die Drehachse erstreckt sich quer zur Leitereinsteckrichtung, die durch die Erstreckungsrichtung der Leitereinführungsöffnung 7 vorgegeben ist.It is clear that the actuating levers 8 are each arranged next to the clamping points, i.e. next to the busbar piece section 5a and the clamping section 6 directly behind the end of the conductor entry opening 7 formed in the insulating material housing 2 . The actuating sections 9 of the actuating levers 8 form a continuation of the wall of the respective conductor insertion opening 7 in order to guide an electrical conductor to the terminal point. Each actuation section 9 interacts with an associated actuation tab 11 of the clamping spring 4 . The axis of rotation of the actuating lever 8 is, as in the previously described embodiment, below the busbar piece section 5 in the area of the clamping point. The axis of rotation extends transversely to the conductor insertion direction, which is predetermined by the direction in which the conductor insertion opening 7 extends.

Deutlich wird auch, dass die Betätigungsarme 10 sich entgegengesetzt zur Leitereinsteckrichtung L erstrecken und an der Oberseite des Isolierstoffgehäuses 2 angeordnet sind. Die freien Enden der Betätigungsarme 10 liegen im Bereich der Vorderseite. Die freien Enden der Betätigungsarme 10 sind von den Begrenzungswänden der Leitereinführungsöffnung 7 bzw. dem Isolierstoffgehäuse 2 derart beabstandet, dass sie von Hand gegriffen und verschwenkt werden können.It is also clear that the actuating arms 10 extend in the opposite direction to the conductor insertion direction L and are arranged on the upper side of the insulating housing 2 . The free ends of the actuating arms 10 are in the area of the front. The free ends of the actuating arms 10 are spaced apart from the boundary walls of the conductor entry opening 7 or the insulating housing 2 in such a way that they can be gripped and pivoted by hand.

Aus Figur 5 wird insbesondere anhand der mittig dargestellten Leitereinführungsöffnungen 7 mit dem sich daran anschließenden Betätigungshebel 8 deutlich, dass ein Betätigungshebel jeweils bei dem Ausführungsbeispiel jeweils zum Öffnen von zwei nebeneinander liegenden Federkraftklemmanschlüssen 3 vorgesehen ist. Alternativ kann auch pro Klemmstelle jeweils ein Betätigungshebel 8 vorgesehen sein.Out of figure 5 it is particularly clear from the conductor entry openings 7 shown in the center with the adjoining actuating lever 8 that an actuating lever is provided in each of the exemplary embodiments for opening two spring-loaded terminal connections 3 lying next to one another. Alternatively, one actuating lever 8 can also be provided for each clamping point.

Figur 6 lässt eine perspektivische Ansicht eines solchen Betätigungshebels 8 von der Vorderseite erkennen. Deutlich wird aber dabei, dass im mittleren, zentralen Bereich eine Öffnung 24 vorhanden ist, in die eine Führungswand des Isolierstoffgehäuses eintaucht, um den Betätigungshebel 8 kippsicher im Isolierstoffgehäuse 2 zu führen. Die Öffnung 24 ist im oberen Bereich von einem umlaufenden Kragen umgeben. Dieser dient zur Verstärkung und Versteifung des Betätigungshebels 8. figure 6 shows a perspective view of such an operating lever 8 seen from the front. It is clear, however, that there is an opening 24 in the middle, central area, into which a guide wall of the insulating material housing dips in order to guide the actuating lever 8 in the insulating material housing 2 in a tilt-proof manner. The opening 24 is surrounded in the upper area by a peripheral collar. This serves to reinforce and stiffen the operating lever 8.

Deutlich ist weiterhin, dass der Betätigungshebel an seinen beiden seitlichen äußeren Enden einen als Lager dienenden Drehzapfen 22 hat. Die Drehzapfen 22 sind in korrespondierende Öffnungen im Isolierstoffgehäuse 2 aufgenommen.It is also clear that the actuating lever has a pivot pin 22 serving as a bearing at its two lateral outer ends. The pivot pins 22 are received in corresponding openings in the insulating material housing 2 .

Erkennbar ist weiterhin, dass für jeden Federkraftklemmanschluss 3 jeweils zwei einander gegenüberliegende Betätigungsabschnitte 9 vorgesehen sind, so dass ein elektrischer Leiter beidseits an diesen Betätigungsabschnitten 9 zur Klemmstelle geführt wird, nachdem der elektrische Leiter von der seitlich umlaufend begrenzten Leitereinführungsöffnung 7 zur Klemmstelle hin aus der Leitereinführungsöffnung 7 austritt.It can also be seen that two opposite actuating sections 9 are provided for each spring-loaded terminal connection 3, so that an electrical conductor is guided on both sides of these actuating sections 9 to the terminal point after the electrical conductor has passed from the conductor entry opening 7, which is limited on the side, to the terminal point and out of the conductor entry opening 7 exit.

Die einander gegenüberliegenden Betätigungsabschnitte 9 dienen somit als Fortsetzung der Leitereinführungsöffnung 7.The opposing actuating sections 9 thus serve as a continuation of the conductor insertion opening 7.

An den einander gegenüberliegenden Seitenkanten der Betätigungsarme 10 können die Betätigungshebel 8 Rastnuten 26 oder vorspringende Rastzapfen haben, um den Betätigungshebel im geschlossenen Zustand mit dem Isolierstoffgehäuse 2 zu verrasten und ein unbeabsichtigtes Öffnen der Betätigungshebel 8 mit reduzierter Kraft zu verhindern.The actuating levers 8 can have latching grooves 26 or projecting latching pins on the opposite side edges of the actuating arms 10 in order to latch the actuating lever to the insulating material housing 2 in the closed state and to prevent the actuating lever 8 from being opened unintentionally with reduced force.

Figur 7 lässt den Betätigungshebel aus Figur 6 in der Rückseitenansicht erkennen. Deutlich wird die als Schlitz ausgeführte Vertiefung 24 im Zentrum des Betätigungshebels 8. figure 7 releases the operating lever figure 6 seen in the rear view. The indentation 24 designed as a slot in the center of the operating lever 8 becomes clear.

Erkennbar ist auch der an der Oberseite des Betätigungsarms 10 umlaufende Kragen 25, der in die Wände übergeht, die die Betätigungsabschnitte 9 mit der dazwischen liegenden Öffnung 24 (Schlitz) bilden.Also recognizable is the collar 25 running around the upper side of the actuating arm 10 and merging into the walls which form the actuating sections 9 with the opening 24 (slot) in between.

Figur 8 lässt eine perspektivische Ansicht des Betätigungshebels aus Figur 6 und 7 von der Unterseite erkennen. Dabei wird deutlich, dass die Öffnung 24 im unteren Bereich wieder geschlossen ist. Erkennbar ist auch, dass die Wände, die die Betätigungsabschnitte 9 bilden, über Stege 27 an der Unterseite des Betätigungsarms 10 in diesen übergehen, um so den Betätigungsarm 10 zu versteifen und ein Ausfedern relativ zu den Betätigungsabschnitten 9 zu verhindern. Die Betätigungsabschnitte 9 haben eine auf die Drehachse D abgestimmte Kontur derart, dass der geöffnete Betätigungshebel 8 in einer Übertotpunktlage selbsthaltend bleibt. figure 8 omits a perspective view of the operating lever figure 6 and 7 seen from the bottom. It becomes clear that the opening 24 is closed again in the lower area. It can also be seen that the walls that form the actuating sections 9 merge into the actuating arm 10 via webs 27 on the underside of the actuating arm, thus forming the actuating arm 10 and to prevent deflection relative to the actuating sections 9 . The actuating sections 9 have a contour matched to the axis of rotation D in such a way that the opened actuating lever 8 remains self-retaining in an over-center position.

Erkennbar ist weiterhin, dass zusätzlich zu den Drehzapfen 22 im mittleren Bereich eine Führungsfläche 22a zur Lagerung vorhanden ist.It can also be seen that, in addition to the pivot pins 22, there is a guide surface 22a for mounting in the middle area.

Figur 9 lässt eine weitere Ausführungsform einer Anschlussklemme 1 mit mehreren in Blickrichtung hintereinander angeordneten Federkraftklemmanschlüssen 3 und zugeordneten Betätigungshebeln 8 erkennen. In der Darstellung ist der Betätigungshebel 8 nach oben in der Schließstellung gezeigt, bei der die Klemmfeder 4 des Federkraftklemmanschlusses 3 geschlossen ist. figure 9 shows a further embodiment of a connection terminal 1 with a plurality of spring-loaded terminal connections 3 arranged one behind the other in the viewing direction and associated actuating levers 8 . In the representation, the actuating lever 8 is shown upwards in the closed position, in which the clamping spring 4 of the spring-loaded terminal connection 3 is closed.

Figur 10 zeigt denselben Betätigungshebel 8 in der Offenstellung, bei der der Federkraftklemmanschluss 3 geöffnet ist. figure 10 shows the same actuating lever 8 in the open position, in which the spring-loaded terminal connection 3 is open.

Deutlich wird, dass der Betätigungshebel 8 mit seinem Betätigungsabschnitt 9 unmittelbar hinter der Leitereinführungsöffnung 7 wiederum seitlich neben dem Stromschienenstück 5 bzw. dem die Klemmstelle bildenden Stromschienenstückabschnitt 5a angeordnet ist. Wiederum liegt die Drehachse D in der Leitereinführungsöffnung 7 bzw. direkt dahinter und in Leitereinsteckrichtung L gesehen kurz vor der Klemmstelle sowie unterhalb des die Klemmstelle bildenden Stromschienenstückabschnitt 5a. die Betätigungsarme 10 der Betätigungshebel 8 sind in Leitereinsteckrichtung L von den Leitereinführungsöffnungen 7 weg in Richtung der Rückseite der Anschlussklemme 1 gerichtet. Damit wird ein sehr kompakter Aufbau der Anschlussklemme 1 bei einfacher und zuverlässiger Betätigung des Federkraftklemmanschlusses 3 ermöglicht.It is clear that the actuating lever 8 is arranged with its actuating section 9 directly behind the conductor insertion opening 7 in turn laterally next to the busbar piece 5 or the busbar piece section 5a forming the clamping point. Again, the axis of rotation D is in the conductor insertion opening 7 or directly behind it and viewed in the direction of conductor insertion L shortly before the terminal point and below the terminal point-forming busbar piece section 5a. the actuating arms 10 of the actuating levers 8 are directed away from the conductor insertion openings 7 in the direction of the rear side of the connection terminal 1 in the conductor insertion direction L. This enables a very compact construction of the connection terminal 1 with simple and reliable actuation of the spring-loaded terminal connection 3 .

Erkennbar ist weiterhin, dass an der Rückseite des Isolierstoffgehäuses 2 im unteren Bereich eine Prüföffnung 28 vorgesehen ist, die zur Klemmfeder 4 geöffnet ist. Auf diese Weise kann das an dem Federkraftklemmanschluss anliegenden Spannungspotential mit Hilfe eines in die Prüföffnung 28 eingeführten Prüfstiftes gemessen werden.It can also be seen that a test opening 28 which is open to the clamping spring 4 is provided on the rear side of the insulating material housing 2 in the lower region. In this way, the voltage potential present at the spring-loaded terminal connection can be measured using a test pin inserted into the test opening 28 .

Figur 11 lässt eine Seitenansicht der Betätigungshebel 8 der Anschlussklemme 1 aus Figur 9 und 10 erkennen. Deutlich wird, dass der Betätigungsarm 10 von dem Betätigungsabschnitt 9 zunächst schräg nach hinten und dann in Leitereinsteckrichtung L wegragt. Erkennbar ist auch das Querstück 10c am unteren freien Ende des Betätigungsarms 10. figure 11 omits a side view of the actuating levers 8 of the connection terminal 1 Figure 9 and 10 recognize. It is clear that the actuating arm 10 initially protrudes obliquely backwards from the actuating section 9 and then in the direction L of conductor insertion. The cross piece 10c can also be seen at the lower free end of the actuating arm 10.

Der Betätigungsabschnitt 9 hat eine Nase 30, die auf die Lage der Drehachse so abgestimmt ist, dass der geöffnete Betätigungshebel 8 in einer Übertotpunktlage selbsthaltend verharrt.The operating section 9 has a nose 30 which is matched to the position of the axis of rotation in such a way that the open operating lever 8 remains self-retaining in an over-center position.

Figur 12 lässt eine Aufsicht auf den Betätigungsarm aus Figur 11 von unten erkennen. Dabei wird der Aufbau des Betätigungsarms 10 mit zwei Armabschnitten 10a, 10b und dem die Armabschnitte 10a, 10b am freien Ende verbindenen Querstück 10c deutlich. figure 12 omits a view of the actuator arm figure 11 see from below. The construction of the actuating arm 10 with two arm sections 10a, 10b and the crosspiece 10c connecting the arm sections 10a, 10b at the free end becomes clear.

Erkennbar ist auch, dass seitlich an den Außenseiten der Betätigungsabschnitte 9 Drehzapfen 22 herausragen, die in entsprechende Vertiefungen des Isolierstoffgehäuses 2 der Anschlussklemme 1 gelagert sind.It can also be seen that pivot pins 22 protrude laterally on the outer sides of the actuating sections 9 and are mounted in corresponding depressions in the insulating material housing 2 of the connection terminal 1 .

Erkennbar ist weiterhin, dass die einander gegenüberliegenden Innenseiten der Betätigungsabschnitte 9 zum freien Ende hin schräg gestellt sind und Einführungsschrägen 29 zum Führen eines elektrischen Leiters ohne störende Kanten haben.It can also be seen that the inner sides of the operating sections 9 lying opposite one another are inclined towards the free end and have insertion bevels 29 for guiding an electrical conductor without any disturbing edges.

Claims (10)

  1. Connection terminal (1) having:
    - at least one busbar piece (5) and
    - at least one clamping spring (4),
    with the connection terminal (1) having at least one spring-force clamping connection (3, 3a, 3b), which is formed from a clamping spring (4) and a portion (5a) of a busbar piece (5), in order to clamp an electrical conductor at exactly one clamping point between exactly one clamping portion of the clamping spring (4) and the busbar piece portion (5a),
    - and having an insulating-material housing (2) which has at least one conductor insertion opening (7) which leads to an associated spring-force clamping connection (3, 3a, 3b) and extends in a conductor insertion direction (L), wherein the electrical conductor emerges from the laterally delimited conductor insertion opening (7) to the clamping point out of the conductor insertion opening (7),
    - and having at least one pivotably mounted operating lever (8, 8a, 8b) which is designed to interact with at least one clamping spring (4) by means of an operating portion (9) in order to open at least one associated spring-force clamping connection (3, 3a, 3b) when the operating lever (8, 8a, 8b) is pivoted, and has an operating arm (10) which adjoins the operating portion (9), wherein
    - the rotation axis (D) of the operating lever (8, 8a, 8b) is arranged transverse to the conductor insertion direction (L) in an associated conductor insertion opening (7) or the extension of the conductor insertion opening (7) which continues in the conductor insertion direction (L) to the clamping point,
    characterized in that
    the at least one operating lever (8, 8a, 8b) is arranged so as to be adjacent to an associated busbar piece portion (5a), which forms the clamping point, such that the rotation axis (D) of the operating lever (8, 8a, 8b) is arranged in the space between the plane which is spanned by the busbar piece portion (5a) and a plane which is parallel thereto and in which the clamping edge of the clamping spring (4), which is fully open when the operating lever (8, 8a, 8b) is pivoted, is situated.
  2. Connection terminal (1) according to Claim 1, characterized in that the operating lever (8, 8a, 8b) has at least one lateral boundary wall for guiding an electrical conductor, which is inserted into a conductor insertion opening (7) in the conductor insertion direction (L), to an associated clamping point.
  3. Connection terminal (1) according to one of the preceding claims, characterized in that at least one operating lever (8, 8a, 8b) enters a cutout (19) in the busbar piece (5), which cutout is made so as to be adjacent to a clamping portion of the associated busbar piece (5a), and by way of an operating portion (9) acts on a operating tab (11) which is arranged next to the clamping portion (6) of the clamping spring (4) as seen over the width of an associated clamping spring (4), in order to open the clamping spring (4).
  4. Connection terminal (1) according to Claim 3, characterized in that the operating tab (11) is released by the clamping spring (4) and projects obliquely from the clamping portion (6) of the clamping spring (4).
  5. Connection terminal (1) according to one of the preceding claims, characterized in that the at least one clamping spring (4) is a clamping spring (4) which is bent in the shape of a U and of which the free clamping portion (6) points obliquely in the direction of an associated busbar piece (5) in order to allow an electrical conductor to be directly inserted without first opening the clamping spring (4) by way of the associated operating lever (8, 8a, 8b) .
  6. Connection terminal (1) according to one of the preceding claims, characterized in that the at least one operating lever (8, 8a, 8b) is rotatably mounted in the insulating-material housing (2) of the connection terminal (1) only on one side by way of a projecting pivot pin (22) which is accommodated in a corresponding opening in the insulating-material housing (2) of the connection terminal (1) such that it can rotate about the rotation axis (D) which is defined by the pivot pin (22).
  7. Connection terminal (1) according to one of the preceding claims, characterized in that the at least one operating lever (8, 8a, 8b) has an operating arm (10) which extends in the conductor insertion direction (L) in the closed state of the associated spring-force clamping connection (3, 3a, 3b).
  8. Connection terminal (1) according to one of the preceding claims, characterized in that the at least one operating lever (8, 8a, 8b) has an operating arm (10) which extends in the conductor insertion direction (L) or counter to said conductor insertion direction on the lower side or upper side of the connection terminal (1).
  9. Connection terminal (1) according to one of the preceding claims, characterized in that the connection terminal (1) has at least one pair of opposing spring-force connection terminals (3, 3a, 3b) with conductor insertion openings (7) which run toward one another on the opposing front side and rear side of the connection terminal (1), with each spring-force connection terminal (3, 3a, 3b) of a pair in each case being associated with an operating lever with an operating arm, the operating arms thereof pointing away from one another in opposite directions.
  10. Connection terminal (1) according to Claim 9, characterized in that the operating arms (10) of a pair of operating levers (8, 8a, 8b) are arranged on the same side or on opposite sides of the connection terminal (1).
EP12196722.8A 2011-12-14 2012-12-12 Connection terminal Active EP2605335B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16187324.5A EP3125372B2 (en) 2011-12-14 2012-12-12 Connection terminal
PL16187324T PL3125372T3 (en) 2011-12-14 2012-12-12 Connection terminal
DK16187324.5T DK3125372T3 (en) 2011-12-14 2012-12-12 Terminals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011056410A DE102011056410B4 (en) 2011-12-14 2011-12-14 terminal

Related Child Applications (2)

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EP16187324.5A Division EP3125372B2 (en) 2011-12-14 2012-12-12 Connection terminal
EP16187324.5A Division-Into EP3125372B2 (en) 2011-12-14 2012-12-12 Connection terminal

Publications (4)

Publication Number Publication Date
EP2605335A2 EP2605335A2 (en) 2013-06-19
EP2605335A3 EP2605335A3 (en) 2014-04-16
EP2605335B1 EP2605335B1 (en) 2016-09-21
EP2605335B2 true EP2605335B2 (en) 2022-10-19

Family

ID=47429791

Family Applications (3)

Application Number Title Priority Date Filing Date
EP12806010.0A Active EP2792024B1 (en) 2011-12-14 2012-12-11 Terminal having an operating lever pivotably supported about a rotational axis
EP16187324.5A Active EP3125372B2 (en) 2011-12-14 2012-12-12 Connection terminal
EP12196722.8A Active EP2605335B2 (en) 2011-12-14 2012-12-12 Connection terminal

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP12806010.0A Active EP2792024B1 (en) 2011-12-14 2012-12-11 Terminal having an operating lever pivotably supported about a rotational axis
EP16187324.5A Active EP3125372B2 (en) 2011-12-14 2012-12-12 Connection terminal

Country Status (13)

Country Link
US (2) US9124034B2 (en)
EP (3) EP2792024B1 (en)
JP (3) JP6184089B2 (en)
KR (1) KR101558119B1 (en)
CN (3) CN103999290B (en)
BR (1) BR112014014271B1 (en)
DE (1) DE102011056410B4 (en)
DK (3) DK2792024T3 (en)
ES (3) ES2569727T3 (en)
PL (3) PL2792024T3 (en)
PT (2) PT3125372T (en)
RU (1) RU2572567C1 (en)
WO (1) WO2013087619A1 (en)

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DE29915515U1 (en) 1999-09-03 2001-02-01 Weidmueller Interface Spring clip for connecting electrical conductors
DE202009010003U1 (en) 2008-08-20 2009-12-03 LEGRAND FRANCE (société anonyme) Automatic electrical connection connection

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CN103999290B (en) 2016-11-02
CN103199350A (en) 2013-07-10
ES2606362T3 (en) 2017-03-23
US8794994B2 (en) 2014-08-05
DK3125372T3 (en) 2018-04-23
DK2792024T3 (en) 2016-06-06
EP3125372B2 (en) 2024-05-01
DE102011056410A1 (en) 2013-06-20
US9124034B2 (en) 2015-09-01
JP6626477B2 (en) 2019-12-25
WO2013087619A1 (en) 2013-06-20
EP2605335A3 (en) 2014-04-16
PL2605335T5 (en) 2023-02-27
DE102011056410B4 (en) 2013-06-27
BR112014014271B1 (en) 2020-12-15
CN107257037A (en) 2017-10-17
US20140370740A1 (en) 2014-12-18
EP3125372A1 (en) 2017-02-01
JP5833774B2 (en) 2015-12-16
JP6184089B2 (en) 2017-08-23
CN103199350B (en) 2017-08-29
ES2606362T5 (en) 2022-11-28
JP2015505129A (en) 2015-02-16
EP2605335A2 (en) 2013-06-19
PT2605335T (en) 2016-12-15
ES2662899T3 (en) 2018-04-10
JP2013125749A (en) 2013-06-24
PL2792024T3 (en) 2016-08-31
KR20140091598A (en) 2014-07-21
KR101558119B1 (en) 2015-10-06
EP2605335B1 (en) 2016-09-21
US20130157520A1 (en) 2013-06-20
PT3125372T (en) 2018-03-20
BR112014014271A2 (en) 2017-06-13
PL2605335T3 (en) 2017-03-31
PL3125372T3 (en) 2018-07-31
RU2572567C1 (en) 2016-01-20
DK2605335T4 (en) 2023-01-23
EP3125372B1 (en) 2018-01-17
DK2605335T3 (en) 2017-01-02
JP2017216250A (en) 2017-12-07
EP2792024A1 (en) 2014-10-22
ES2569727T3 (en) 2016-05-12
CN103999290A (en) 2014-08-20
EP2792024B1 (en) 2016-03-09

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