EP3125372B1 - Connection terminal - Google Patents
Connection terminal Download PDFInfo
- Publication number
- EP3125372B1 EP3125372B1 EP16187324.5A EP16187324A EP3125372B1 EP 3125372 B1 EP3125372 B1 EP 3125372B1 EP 16187324 A EP16187324 A EP 16187324A EP 3125372 B1 EP3125372 B1 EP 3125372B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- spring
- operating lever
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 88
- 238000003780 insertion Methods 0.000 claims description 54
- 230000037431 insertion Effects 0.000 claims description 54
- 239000011810 insulating material Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62977—Pivoting levers actuating linearly camming means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
- H01R4/485—Single busbar common to multiple springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
Definitions
- Out DE 87 04 494 U1 is a terminal with a spring force terminal and an operating lever known.
- the actuating lever is pivotally mounted with its axis of rotation in Leitereinsteckraum seen behind the nip below the clamping spring.
- an actuating tab is bent, which cooperates with an actuating finger of the actuating lever to open the Federkraftklemman gleiches.
- DE 19 84 159 U discloses a clamping device for the connection of electrical lines with a U-shaped bent sheet metal body having a recess for a lever and a clamping spring.
- the lever is arranged in Leitereinsteckraum behind the electrical conductor to be clamped and consists of a U-shaped bent sheet metal body and a lever arm which is installed in a recess of the sheet metal body.
- EP 1 605 547 A1 discloses a terminal with a double spring.
- an actuating lever is pivotally mounted above a busbar piece.
- EP 1 641 079 A1 shows a terminal in which above the conductor insertion opening and the electrical conductor to be clamped a pivotable operating lever is installed in the insulating material.
- DE 29 22 477 A1 discloses a terminal block with a busbar piece, which has a roof-shaped contact surface for guiding an electrical conductor. Laterally next to an adjoining surface is an operating lever pivotally supported on the busbar piece.
- EP 0 821 433 A1 discloses a terminal with a rod-shaped actuating lever which is pivotally mounted in the insulating material housing between the inserted electrical conductor and the clamping leg of the clamping spring.
- JP 2004 319394 A discloses a terminal with an actuating lever, each having an actuating tappet for a right and left of a pivot bearing arm arranged clamping spring. An electrical conductor will then pass each side of one of these actuating arms over to the clamping point, wherein between the conductor insertion opening and the clamping point a space is available.
- EP 1 081 790 A1 shows a spring clip for connecting electrical conductors.
- the electrical conductor is routed along a sidewall of a busbar cage to a nip.
- An actuating lever is pivotally mounted above the busbar piece.
- the actuating lever is pivotally arranged in an associated conductor insertion opening or in the conductor insertion direction to the clamping point continuing extension of the conductor insertion opening.
- the operating lever has two opposite lateral boundary walls for guidance a conductor introduced in a conductor insertion direction in a conductor insertion opening electrical conductor to an associated terminal point.
- the rotation of the actuating lever in the region of the nip or in front of it takes place space.
- the operating lever can be accommodated extremely space-saving in the insulating housing and at the same time serves as a wall of the conductor insertion channel for guiding an electrical conductor.
- the operating lever replaces a part of the guide wall for an electrical conductor of the conductor insertion opening.
- the at least one actuating lever adjacent to an associated, forming the nip conductor rail portion is arranged so that the actuating lever in the space between the plane spanned by the busbar section and the plane parallel thereto, by the clamping edge of the pivoting of the actuating lever fully open Clamping spring defined level is arranged.
- the actuating lever is preferably positioned below the busbar piece section in the conductor insertion direction slightly before or directly below the clamping point.
- the bus bar in the section forming the nip defines, irrespective of any bumps for a contact edge, a first plane to which a second imaginary plane is spanned. This second plane is spaced from the plane of the bus bar piece in such a way that the clamping edge of an opened clamping spring touches this plane.
- the gap between the planes forms the preferred space in which the operating lever should be to provide a very compact, mechanically stable terminal.
- At least one actuating lever dips into a cutout of the busbar section introduced adjacent to a clamping section of the associated busbar section.
- the actuating lever is then acted upon by an operating section via the Width of an associated clamping spring seen next to the clamping portion of the clamping spring arranged actuating tab to open the clamping spring.
- an actuating tab is then exposed to the clamping portion of the clamping spring below this section, which is then acted upon by the operating portion of the actuating lever upon pivoting of the actuating lever to open the clamping spring.
- the electrical contacting of an electrical conductor is then adjacent to this section of the busbar piece or across the width seen adjacent to the actuating tab by the clamping portion of the clamping spring and a preferably presented contact edge of the busbar piece.
- the actuating tab is preferably free of the clamping spring, e.g. by free punching or free cutting, and protrudes obliquely from the clamping portion of the clamping spring.
- the at least one clamping spring is preferably designed as a U-shaped curved clamping spring, the free clamping portion has obliquely in the direction of an associated busbar piece.
- the at least one operating lever has an actuating arm which extends on the underside or the top of the terminal in Leiterereinsteckraum or opposite thereto.
- Combinations of the connecting terminal which are as compact as possible are conceivable, in particular, in which actuating arms of the actuating lever extend alternately in the conductor insertion direction and in the opposite direction, or extend alternately on the underside and the upper side in the same directions or in alternating directions in opposite directions.
- FIG. 1 shows a terminal 1 with an insulating 2 recognize, in which at least a pair of opposed spring terminal connections 3a, 3b are installed.
- the Federkraftklemmanischen Notice 3a, 3b each have a U-shaped bent clamping spring 4 and a common busbar piece. 5
- Each Federkraftklemman gleich 3a, 3b provides a nip by a formed on the free, movable end of the clamping spring clamping portion 6 and in particular by the clamping edge at the free end of the clamping spring 4 and on the clamping section 6 opposite busbar section 5a ready.
- an associated conductor insertion opening 7 is introduced into the insulating material housing for each spring terminal connection 3a, 3b.
- the conductor insertion opening 7 has a diameter which is adapted to the maximum permissible cross-section together with insulating jacket of an electrical conductor.
- each spring terminal connection 3a, 3b has an actuating lever 8 with an actuating portion 9 and an actuating arm 10, which adjoins it and extends in a longitudinal direction.
- FIG. 1 For example, the left operating lever 8a in the closed position and the right operating lever 8b in the open position of the clamping spring are shown. It can be seen that the actuating levers 8a, 8b are pivoted about 90 ° from the closed position to the open position. It becomes clear that the operating lever 8a with its operating section 9 and in particular the axis of rotation D about which the actuating lever 8a, 8b is pivotally mounted in the insulating housing 2 of the terminal, in the space of the associated conductor insertion opening 7 and in conductor insertion direction L to the clamping point in the continuation extension of the conductor insertion opening 7 is arranged. However, the axis of rotation D is seen in the conductor insertion direction L is still positioned in front of the nip and is in no case seen behind the clamping portion 6 of the clamping spring 4 in the conductor insertion direction L.
- the actuating levers 8a, 8b are received in recesses of the insulating material housing 2 for receiving part of the actuating arm 10.
- the actuating arm 10 protrudes in the closed position (left operating arm 8a in FIG. 1 ) opposite to the conductor insertion direction L at the respective front side of the associated conductor insertion opening 7 out of the insulating housing 2.
- an embodiment is conceivable in which the actuating arm 10 is rotated by 180 ° and points in the conductor insertion direction L in the closed position.
- This is conceivable in particular for a connection terminal in which only one spring terminal connection is present over the illustrated length of the connection terminal in the conductor insertion direction L and several spring terminal connections in the direction of view of FIG FIG. 1 seen across the width are arranged.
- terminal 1 At the in FIG. 1 illustrated terminal 1 is conceivable that not only such a pair of Federkraftklemman till 3a, 3b is provided with associated operating levers 8a, 8b, but viewed in the viewing direction over the width of the terminal several such arrangements are arranged side by side.
- a bridge insertion opening 12 is provided at the top of the insulating housing, which is open to the top of the insulating housing 2.
- the bridge entry opening 12 opens into a bridge terminal connection formed by a material lug 13 of the busbar 5 and a downwardly bent end 14 of a clamping spring 4.
- Such Brücker have at least two parallel extending comb teeth, which are connected via a transverse thereto extending web electrically conductive with each other. At least this transverse web can be surrounded by a Isolierstoffmantel in a conventional manner.
- the insulating housing 2 is constructed in two parts and has a lower part 2a, to which an upper part 2b is snapped. For this purpose, latching lugs 16 of the lower part 2a dive into associated latching openings 17 of the upper part 2b.
- FIG. 2 shows a perspective view of a Federkraftklemman gleiches 3, which is formed of a U-shaped bent clamping spring 4 and a busbar piece portion 5a.
- the conductor rail piece section 5a forming the clamping point has at its free end a clamping projection 18, by means of which a defined contact surface, reduced in terms of its area, is created for an electrical conductor.
- the Clamping force of the clamping spring 4 is then concentrated via the electrical conductor to this defined by the clamping projection 18 clamping surface, so that the surface pressure is increased compared to a planar support surface.
- the free end of the nip conductor rail section 5a is angled upwards to provide a guide for an electrical conductor to the clamping edge 18.
- terminal point forming busbar section 5a laterally adjacent to the clamping edge 18 has a cutout 19 in the form of a depression into which the operating portion 9 of the actuating lever 8 is immersed.
- the actuating tab 11 is free from the clamping portion 6 of the clamping spring 4 and extends in the direction of the conductor insertion direction L.
- the side wall of the actuating portion 9 of the actuating lever 8 forms a lateral boundary wall for an electrical conductor introduced to the terminal point, which is used to guide the electrical conductor to the terminal point.
- the busbar 5 is laterally folded such that at a distance and parallel to the nip forming Stromschienen administratabêt 5a a support surface 20 for supporting a contact leg 21 of the clamping spring 4 is created.
- FIG. 3 leaves a perspective view of the spring terminal connection 3 with actuating lever 8 FIG. 2 from the other side. It is clear that of the operating section 9 only on the in FIG. 3 recognizable side of a pivot pin 22 protrudes.
- the pivot pin 22 is circular and thus defines the axis of rotation D, by which the actuating lever 8 is rotatably received in the insulating housing 2.
- the pivot pin 22 is provided to immerse in a not shown corresponding opening or recess of the insulating housing of the terminal 1. This will be the operating lever 8 rotatably supported by serving as a bearing pivot 22 in the insulating housing 2 on one side.
- FIG. 2 recognizable side of the actuating lever 8, however, only partially guided by Isolierstoff Treat Treating 2 and / or the busbar piece portion 5a of the insulating material 2 without specific pivot bearing side.
- a self-holding of the open actuating lever 8 can be achieved in an over-center position.
- clamping spring 4 is formed in the form of a U-shaped clamping spring with a contact portion 21, an adjoining spring bow 23 and in the adjoining in the direction of the plant leg 21 extending clamping portion 6.
- FIG. 4 shows a variant of the terminal 1 in a reduced side sectional view. It is clear that the left lever 8a for the left Federkraftklemman gleich upwardly protrudes from the top of the insulating material.
- the right operating lever 8b for the right Federkraftklemman gleich 3b is mirror-inverted arranged for this purpose so that it protrudes from the underside of the insulating housing 2.
- Conceivable here is also a variant in which the actuating arms 10 protrude alternately on the one hand in the conductor insertion direction and the adjacent spring terminal connection 3 opposite to the conductor insertion direction L from the back or front.
- FIG. 5 an embodiment of a multi-row terminal 1 in the form of a terminal box.
- This terminal 1 has a plurality of juxtaposed and electrically conductive interconnected Federkraftklemman till 3 of which the left is visible.
- a clamping spring 4 is attached in a busbar piece 5.
- the clamping spring 4 is in turn bent in a U-shape, so that a clamping section 6 protrudes with a clamping cap at the free end to form a nip against the busbar section 5a.
- the clamping edge is located on the busbar section 5a.
- the clamping spring 4 has in this embodiment on both sides of the clamping portion 6 actuating tabs 11th
- the busbar pieces 5 of the obliquely to the right rear juxtaposed spring terminal connections 3 can be electrically connected to each other. It is also conceivable, however, an embodiment of the terminal 1, in which two juxtaposed spring terminal connections 3 are electrically connected to each other and two or three pairs of such electrically conductive interconnected Federkraftklemman say 3 are provided. This allows two conductors each for a single-phase voltage supply connection with the terminals L (Phase), N (neutral) and PE (earth) are connected to each other, so that a power terminal is formed.
- the actuation levers 8 are respectively adjacent to the nip points, i. are arranged immediately behind the end of the formed in the insulating housing 2 conductor insertion opening 7 next to the busbar piece portion 5a and the clamping portion 6.
- the operating portions 9 of the operating lever 8 form a continuation of the wall of the respective conductor insertion opening 7, to guide an electrical conductor to the nip.
- Each actuating portion 9 cooperates with an associated actuating tab 11 of the clamping spring 4.
- the axis of rotation of the actuating lever 8 is located as the previously described embodiment below the busbar piece portion 5 in the region of the nip. The axis of rotation extends transversely to the Leiterereinsteckuttercardi, which is predetermined by the extension direction of the conductor insertion opening 7.
- the actuating arms 10 extend opposite 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 region of the front. The free ends of the actuating arms 10 are spaced from the boundary walls of the conductor insertion opening 7 and the insulating housing 2 such that they can be grasped and pivoted by hand.
- FIG. 5 is in particular on the basis of the conductor insertion openings 7 shown in the center with the adjoining actuating lever 8 clearly that an actuating lever is provided in each case in the embodiment in each case for opening two juxtaposed Federkraftklemman say 3.
- one operating lever 8 can also be provided per clamping point.
- FIG. 6 lets a perspective view of such an actuating lever 8 from the front recognize. But it becomes clear that in the middle, central region an opening 24 is present, into which a guide wall of the insulating housing dips in order to guide the operating lever 8 tilt-proof in the insulating housing 2.
- the opening 24 is surrounded in the upper region by a circumferential collar. This serves to reinforce and stiffen the operating lever eighth
- the actuating lever has a serving as a bearing pivot pin 22 at its two lateral outer ends.
- the pivot pins 22 are received in corresponding openings in the insulating housing 2.
- actuating sections 9 are provided for each spring 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 from the laterally circumscribed conductor insertion opening 7 to the clamping point from the conductor insertion opening 7 exit.
- the opposing actuating portions 9 thus serve as a continuation of the conductor insertion opening. 7
- the actuating lever 8 locking grooves 26 or projecting locking pins have to lock the operating lever in the closed state with the insulating 2 and to prevent inadvertent opening of the operating lever 8 with reduced force.
- FIG. 7 releases the operating lever FIG. 6 in the back view.
- the recess 24 designed as a slot in the center of the actuating lever. 8
- FIG. 8 leaves a perspective view of the actuating lever FIG. 6 and 7 recognize from the bottom. It is clear that the opening 24 is closed again in the lower area. It can also be seen that the walls which form the actuating sections 9 pass over webs 27 on the underside of the actuating arm 10, so as to stiffen the actuating arm 10 and prevent rebounding relative to the actuating sections 9.
- the actuating sections 9 have a contour tuned to the axis of rotation D such that the opened actuating lever 8 remains self-holding in an over-center position.
- a guide surface 22a is provided for storage in the middle region.
- FIG. 9 shows a further embodiment of a terminal 1 with a plurality of view in the direction successively arranged spring terminal connections 3 and associated actuating levers 8 recognize.
- the actuating lever 8 is shown upwards in the closed position, in which the clamping spring 4 of the spring terminal connection 3 is closed.
- FIG. 10 shows the same operating lever 8 in the open position, in which the spring force terminal 3 is open.
- test opening 28 which is open to the clamping spring 4
- a test opening 28 is provided on the rear side of the insulating material housing 2 in the lower region. In this way, the voltage potential applied to the spring terminal connection can be measured by means of a test pin inserted into the test opening 28.
- FIG. 11 leaves a side view of the operating lever 8 of the terminal 1 FIGS. 9 and 10 detect. It is clear that the actuating arm 10 of the operating portion 9 initially projects obliquely backwards and then in Leitereinsteckcardi L. Visible is also the crosspiece 10 c at the lower free end of the actuating arm 10th
- the actuating portion 9 has a nose 30 which is tuned to the position of the axis of rotation so that the open actuating lever 8 remains self-holding in an over-center position.
- FIG. 12 leaves a view of the actuator arm FIG. 11 to recognize from below.
- the structure of the actuating arm 10 with two arm portions 10a, 10b and the arm portions 10a, 10b connecting at the free end crosspiece 10c clearly.
- pivot pins 22 project, which are mounted in corresponding recesses of the insulating housing 2 of the connection terminal 1.
- the opposing inner sides of the actuating portions 9 are inclined towards the free end and have insertion bevels 29 for guiding an electrical conductor without disturbing edges.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Clamps And Clips (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Ceramic Capacitors (AREA)
- Wire Bonding (AREA)
- Fixing For Electrophotography (AREA)
Description
Die Erfindung betrifft eine Anschlussklemme mit:
- mindestens einem Stromschienenstück und
- mindestens einer Klemmfeder,
- und mit einem Isolierstoffgehäuse, das mindestens eine zu einem zugeordneten Federkraftklemmanschluss führende und sich in eine Leitereinführungsrichtung erstreckende Leitereinführungsöffnung hat,
- und mit mindestens einem schwenkbar gelagerten Betätigungshebel, der über einen Betätigungsabschnitt mit mindestens einer Klemmfeder zum Öffnen mindestens eines zugeordneten Federkraftklemmanschlusses bei Verschwenken des Betätigungshebels zusammenwirkend ausgebildet ist und eine sich an dem Betätigungsabschnitt anschließenden Betätigungsarm hat.
- at least one busbar piece and
- at least one clamping spring,
- and an insulating housing having at least one conductor insertion opening leading to an associated spring force terminal and extending in a conductor insertion direction,
- and with at least one pivotally mounted actuating lever, which is designed to cooperate with an actuating portion having at least one clamping spring for opening at least one associated Federkraftklemmanschlusses upon pivoting of the actuating lever and has an adjoining the actuating portion actuating arm.
Aus
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 sowie die Leiterführung verbessert ist.Based on this, it is an object of the present invention to provide an improved, as small as possible terminal with a Federkraftklemmanschluss and operating lever, which is also improved in terms of the force of the actuating lever on the terminal and the conductor guide.
Die Aufgabe wird durch die Anschlussklemme mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved by the terminal with the features of
Bei einer gattungsgemäßen Anschlussklemme der eingangs genannten Art ist der Betätigungshebels in einer zugeordneten Leitereinführungsöffnung oder der in Leitereinführungsrichtung zur Klemmstelle weiterführenden Verlängerung der Leitereinführungsöffnung schwenkbar angeordnet. Der Betätigungshebel hat zwei einander gegenüberliegende seitliche Begrenzungswände zur Führung eines in Leitereinführungsrichtung in eine Leitereinführungsöffnung eingeführten elektrischen Leiters zu einer zugeordneten Klemmstelle.In a generic terminal of the type mentioned above, the actuating lever is pivotally arranged in an associated conductor insertion opening or in the conductor insertion direction to the clamping point continuing extension of the conductor insertion opening. The operating lever has two opposite lateral boundary walls for guidance a conductor introduced in a conductor insertion direction in a conductor insertion opening electrical conductor to an associated terminal point.
Durch die schwenkbare Anordnung des Betätigungshebels 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.Due to the pivotable arrangement of the actuating lever in the conductor insertion opening or in the alignment of the conductor insertion opening to the clamping point, the rotation of the actuating lever in the region of the nip or in front of it takes place space. This has the advantage that the operating lever can be accommodated extremely space-saving in the insulating housing and at the same time serves as a wall of the conductor insertion channel for guiding an electrical conductor. Thus, the operating lever replaces a part of the guide wall for an electrical conductor of the conductor insertion opening.
Besonders vorteilhaft ist es, wenn der mindestens eine Betätigungshebel angrenzend an einen zugeordneten, die Klemmstelle bildenden Stromschienenabschnitts so angeordnet ist, dass der Betätigungshebel 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 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 der Betätigungshebel sein sollte, um eine überaus kompakt bauende, mechanisch stabile Anschlussklemme bereitzustellen.It when the at least one actuating lever adjacent to an associated, forming the nip conductor rail portion is arranged so that the actuating lever in the space between the plane spanned by the busbar section and the plane parallel thereto, by the clamping edge of the pivoting of the actuating lever fully open Clamping spring defined level is arranged. In this case, the actuating lever is preferably positioned below the busbar piece section in the conductor insertion direction slightly before or directly below the clamping point. The bus bar in the section forming the nip defines, irrespective of any bumps for a contact edge, a first plane to which a second imaginary plane is spanned. This second plane is spaced from the plane of the bus bar piece in such a way that the clamping edge of an opened clamping spring touches this plane. The gap between the planes forms the preferred space in which the operating lever should be to provide a very compact, mechanically stable 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 cutout of the busbar section introduced adjacent to a clamping section of the associated busbar section. The actuating lever is then acted upon by an operating section via the Width of an associated clamping spring seen next to the clamping portion of the clamping spring arranged actuating tab to open the clamping spring. With the help of the cutout on one side edge of the busbar piece, it is possible to save the operating lever to save space. Seen over the width of the busbar piece and the associated clamping spring, an actuating tab is then exposed to the clamping portion of the clamping spring below this section, which is then acted upon by the operating portion of the actuating lever upon pivoting of the actuating lever to open the clamping spring. The electrical contacting of an electrical conductor is then adjacent to this section of the busbar piece or across the width seen adjacent to the actuating tab by the clamping portion of the clamping spring and a preferably presented 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 free punching or free cutting, and protrudes obliquely from the clamping portion 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 designed as a U-shaped curved clamping spring, the free clamping portion has 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 without prior opening of the clamping spring with the associated operating lever is possible. This is also known as direct plug-in technology.
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.It is also conceivable that the at least one operating lever has an actuating arm which extends on the underside or the top of the terminal in Leiterereinsteckrichtung or opposite thereto. Combinations of the connecting terminal which are as compact as possible are conceivable, in particular, in which actuating arms of the actuating lever extend alternately in the conductor insertion direction and in the opposite direction, or extend alternately on the underside and the upper side in the same directions or in alternating directions in opposite directions.
Diese Ausführungsformen sind insbesondere abhängig von der konkreten Kombination von Federkraftanschlussklemmen und deren räumliche Lage zueinander.These embodiments are particularly dependent on the specific combination of spring terminals and their spatial position to each other.
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
von der anderen Seite gesehen;Figur 2 - 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 und7 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 .
- FIG. 1 -
- Side sectional view of a double terminal with two spring connections and associated operating levers;
- FIG. 2 -
- perspective view of a Federkraftklemmanschlusses with associated operating levers in the closed position;
- FIG. 3 -
- Spring clamp connection with operating lever off
FIG. 2 seen from the other side; - FIG. 4 -
- Side sectional view of an embodiment of an embodiment of a terminal with alternately arranged on the top and bottom actuating levers;
- FIG. 5 -
- perspective sectional partial view of a multi-row terminal as a terminal box;
- FIG. 6 -
- perspective view of an operating lever for the terminal off
FIG. 5 ; - FIG. 7 -
- rear perspective view of the operating lever
FIG. 6 ; - FIG. 8 -
- perspective view of the actuating lever
FIG. 6 and7 from underneath; - FIG. 9
- Side sectional view of another embodiment of a multi-row terminal in the form of a terminal box with rearwardly oriented operating levers in the closed position;
- FIG. 10 -
- Side sectional view of the terminal off
FIG. 9 with actuating lever in the open position; - FIG. 11
- Side view of an actuating lever of the terminal
FIGS. 9 and 10 ; - FIG. 12 -
- Top view of the underside of the operating lever
FIG. 11 ,
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
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
In der
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
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
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
Bei der in
Aus der
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
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
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
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
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.By a suitable contour of the actuating portion in coordination with the position of the axis of rotation D, as shown, a self-holding of the
Aus den
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
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.Conceivable here is also a variant in which the actuating
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.In this case, another variant is conceivable that not only change the direction of the actuating
So zeigt
Die Klemmfeder 4 hat bei dieser Ausführungsform beidseits des Klemmabschnitts 6 Betätigungslaschen 11.The clamping
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
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 will be appreciated that the actuation levers 8 are respectively adjacent to the nip points, i. are arranged immediately behind the end of the formed in the insulating
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
Aus
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 serving as a
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 mutually
Die einander gegenüberliegenden Betätigungsabschnitte 9 dienen somit als Fortsetzung der Leitereinführungsöffnung 7.The opposing
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.At the opposite side edges of the actuating
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 circumferential at the top of the
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, a
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.It is clear that the
Damit wird ein sehr kompakter Aufbau der Anschlussklemme 1 bei einfacher und zuverlässiger Betätigung des Federkraftklemmanschlusses 3 ermöglicht.This allows a very compact construction of the
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
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 actuating
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 laterally on the outer sides of the
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 opposing inner sides of the
Claims (9)
- 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 a clamping point between a 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),- 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),characterized in that- the operating lever (8, 8a, 8b) is pivotally arranged 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, and that the operating lever (8, 8a, 8b) has two opposing lateral boundary walls which guide an electrical conductor inserted into a conductor insertion opening (7) in the conductor insertion direction (L) to an associated clamping point.
- Connection terminal (1) according to one of the preceding claims, characterized in that the operating lever (8, 8a, 8b) is laterally guided in portions by insulating-material walls of the insulating material housing (2) and/or busbar piece portions (5a) without specific rotary mounting.
- 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).
- Connection terminal (1) according to claim 3, characterized in that the operating arm (10) of the operating lever (8, 8a, 8b) is arranged on the upper side of the insulating-material housing (2), wherein a free end of the operating arm (10) is spaced apart from the boundary walls of the conductor insertion opening (7) or the insulating-material housing (2) in such a way, that the free end can be grasped by hand and pivoted.
- Connection terminal (1) according to one of the preceding claims, 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 operating lever (8, 8a, 8b) is pivotally 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
- 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 an 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).
- Connection terminal (1) according to claim 6, 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).
- 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).
- 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).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16187324T PL3125372T3 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011056410A DE102011056410B4 (en) | 2011-12-14 | 2011-12-14 | terminal |
EP12196722.8A EP2605335B2 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12196722.8A Division EP2605335B2 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
EP12196722.8A Division-Into EP2605335B2 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3125372A1 EP3125372A1 (en) | 2017-02-01 |
EP3125372B1 true EP3125372B1 (en) | 2018-01-17 |
EP3125372B2 EP3125372B2 (en) | 2024-05-01 |
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 |
EP12196722.8A Active EP2605335B2 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
EP16187324.5A Active EP3125372B2 (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 |
EP12196722.8A Active EP2605335B2 (en) | 2011-12-14 | 2012-12-12 | Connection terminal |
Country Status (14)
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) |
FI (1) | FI3125372T4 (en) |
PL (3) | PL2792024T3 (en) |
PT (2) | PT2605335T (en) |
RU (1) | RU2572567C1 (en) |
WO (1) | WO2013087619A1 (en) |
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- 2012-12-11 BR BR112014014271-8A patent/BR112014014271B1/en active IP Right Grant
- 2012-12-11 RU RU2014128525/07A patent/RU2572567C1/en active
- 2012-12-11 DK DK12806010.0T patent/DK2792024T3/en active
- 2012-12-11 KR KR1020147016057A patent/KR101558119B1/en active IP Right Grant
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- 2012-12-11 JP JP2014546459A patent/JP5833774B2/en active Active
- 2012-12-11 US US14/363,578 patent/US9124034B2/en active Active
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- 2012-12-11 EP EP12806010.0A patent/EP2792024B1/en active Active
- 2012-12-11 CN CN201280062263.4A patent/CN103999290B/en active Active
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- 2012-12-12 DK DK12196722.8T patent/DK2605335T4/en active
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- 2012-12-12 PL PL12196722.8T patent/PL2605335T5/en unknown
- 2012-12-12 PT PT121967228T patent/PT2605335T/en unknown
- 2012-12-12 FI FIEP16187324.5T patent/FI3125372T4/en active
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