EP2400595B1 - Connection terminal - Google Patents
Connection terminal Download PDFInfo
- Publication number
- EP2400595B1 EP2400595B1 EP11004958.2A EP11004958A EP2400595B1 EP 2400595 B1 EP2400595 B1 EP 2400595B1 EP 11004958 A EP11004958 A EP 11004958A EP 2400595 B1 EP2400595 B1 EP 2400595B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- clamping
- spring
- operating
- busbar
- 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 44
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 239000011810 insulating material Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/484—Spring housing details
- H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
Definitions
- the invention relates to a terminal with a Isolierstoffgepuruse and at least one spring terminal unit with a clamping spring and a busbar section in the insulating material, wherein the clamping spring a contact portion, a subsequent to the contact portion spring bow (7) and a subsequent to the spring bow and for clamping a electrical conductor has against the busbar section shaped clamping section.
- Such spring force terminals are known in many forms. An electrical conductor is pressed by a clamping portion by spring force of a clamping spring against a busbar section and thereby an electrically conductive contact between the busbar section and zaneklemmterri electrical conductor is made.
- the clamping spring For the removal of an electrical conductor, the clamping spring must be displaced against its spring force and the clamping point to be opened. This is achieved by actuation tools, such as screwdrivers, which are inserted into suitable actuating openings or by built-in in the insulating housing of the terminal actuators.
- a terminal with a substantially C-shaped clamping spring is known, which is operatively connected to an actuating lever and fixed to a cage-shaped busbar.
- the conductor insertion opening is released against the spring force of the clamping spring, so that a conductor can be inserted.
- a return of the actuating lever causes a clamping of the electrical conductor against the busbar for producing an electrically conductive connection.
- EP 1 622 224 B1 shows a connection terminal in which the clamping edge of the clamping leg of a clamping spring forms a clamping point with a busbar opposite the clamping edge.
- the clamping leg can be lifted against the spring force with a pivotally received in the insulating housing actuating lever of the busbar to release a conductor insertion opening or to release a clamped conductor.
- the lever presses on the clamping leg, with tensile forces acting in the housing sides, walls and housing partition walls.
- DE 38 22 980 A1 discloses a terminal in which a fork-shaped spring with the operating lever is opened apart and is open, so that an electrical conductor can be inserted. To close the clamp, the operating lever presses against a leg of the fork-shaped spring against the spring force and clamps the electrical conductor so as to make electrical contact. The clamping force is applied by the operating lever.
- EP 0 837 526 A1 shows a terminal according to the preamble of claim 1, with a clamping spring which is opened by a lever. The lever engages on a part of the clamping spring opposite the clamping leg.
- EP 1 385 353 A1 discloses a plug with a clamping spring which is actuated with an actuating element for opening a clamping tongue.
- an actuating sheet metal element is connected in a section with the contact tongue of the clamping spring. The actuator engages directly on the clamping leg.
- an actuating element can be inserted into an actuating opening of the insulating housing actuating tool, such.
- actuating tool such as a screwdriver, serve.
- the operating portion extending from the clamping portion can be under attack to open the clamping spring by means of tensile force on the actuating portion.
- the actuating element already forms part of the connection terminal and is movably mounted on or in the insulating material housing.
- the actuating element can pivotably mounted in or on the insulating housing actuating lever, a slidably mounted on the insulating housing actuating slide or a rotatable in Isolierstoffgeratiuse be stored operating wheel.
- the actuating portion of the clamping spring preferably has a bent end which is hooked into the actuating element. This ensures that the actuating element is in engagement with the actuating portion of the clamping spring and the operating portion follows upon displacement of the actuating element by train on the actuating portion of the movement of the actuating element.
- the clamping portion of the clamping spring may have at least one provided for clamping an electrical conductor to the busbar section free end with a clamping edge.
- the integrally formed with the clamping portion actuating portion of the clamping spring is bent from the clamping portion in front of the free end so that part of the width of the clamping portion forms the at least one free end and the other part or the other parts of the width of the clamping portion of the actuating portion. In this way, it is possible to form the actuating portion integrally from the spring plate material of the clamping spring.
- the actuating portion is cut free from the clamping portion or punched free.
- the actuating section of the adjacent material of the clamping spring is formed adjacent to the free end of the clamping section.
- the actuating portion is bent away from the free end of the clamping spring pointing in a different direction, as in the extension direction of the free end of the clamping portion.
- connection terminal In one embodiment of the connection terminal, the contact section is bent in the direction of the clamping section.
- the clamping spring has an opening through which the clamping portion or the operating portion is passed. In this way, a cage tension spring is formed, in which the longitudinal extension direction of the aperture is transverse to a conductor rail section guided through the aperture.
- Such a cage tension can not be opened as usual by exerting a compressive force on the clamping portion, but by exerting a tensile force on the operating portion of the clamping spring.
- This has the advantage that the actuating element opposite to the clamping portion can be arranged in a completely different space of the insulating material housing, than hitherto usual.
- the contact section, the clamping section and / or the actuating section are guided through the opening in such a way that the contact section, the clamping section and / or the actuating section projects through the opening and extends with one part in front of the opening and the other behind the opening ,
- a bracket is arranged on the busbar section and the contact section bears against the bracket. Opposite to the contact section of the bracket engages under the busbar section, so that the terminal is self-supporting and exerted by the contact section on the bracket holding force on the bracket and an opposite, acting from the clamping section on the busbar section clamping force can be compensated.
- the actuating element is directly or indirectly supported on the busbar section or the bracket in order to effect a relative movement between the actuating section and the busbar section. This prevents that the actuating element is supported substantially on the insulating housing. The tensile force applied to the actuating portion of the clamping spring is thus absorbed in this self-supporting system by the Auflagerung relative to the busbar section of the busbar section and the adjoining abutting portion of the clamping spring.
- the busbar section can be bent in an area adjacent to the clamping section of the clamping spring in the direction of the contact section and a Breakthrough to carry out a part of the abutment portion and a part of the clamping portion have.
- the contact section lies against a boundary edge of the opening on the busbar.
- the busbar section is angled U-shaped opposite to a conductor insertion opening for an electrical conductor in the insulating housing.
- the two opposing parts of the U-shaped angled busbar section provide a receiving space for an electrical conductor, which is bounded by the transversely thereto connecting wall of the busbar section in its depth.
- the locking lever in this case has a cooperating with the operating lever locking portion for holding the operating lever in the open position.
- the locking lever can be z. B. protrude with its free end a breakthrough of the operating lever.
- the locking lever is then moved over the contour of the actuating lever in its breakthrough from its rest position.
- the locking lever can be placed with a designed as a paragraph locking contour against the operating lever.
- the actuating lever can be locked on the locking lever.
- To cancel the blocking position of the actuating lever can then be swung over, so that the locking portion is disengaged from the actuating lever and the locking lever moves away from the actuating lever.
- the operating lever is released again and can be moved by spring force in its rest position, in which the clamping spring then Clamping an electrical conductor is closed.
- FIG. 1 can be seen a side sectional view with an insulating 2, In the insulating 2, a busbar section 3 and a clamping spring 4 are introduced.
- the insulating housing 2 also has a conductor insertion opening 5, which is provided for insertion of an electrical conductor.
- the clamping spring 4 has a contact portion 6, an adjoining spring bow 7 and a subsequent to the spring bow clamping section 8.
- the spring 4 is supported by means of the spring bow 7 on a bearing pin 9 of the insulating 2.
- the spring bow 7 encloses the bearing pin 9 partially.
- At least one free end 10 of the clamping portion 8 protrudes in the direction of the busbar 3 to a nip for a in the conductor insertion opening 5 inserted electrical conductor to be pressed by the free end 10 against the clamping portion 11 of the busbar 3.
- 11 1 protrusions 12 are provided on the busbar in the clamping area, which point in the direction of the free end 10 of the clamping spring 4 and the opposite abutment leg 6.
- the busbar 3 is angled U-shaped in cross-section, so as to provide a collecting pocket for an inserted into the conductor insertion opening 5 and passed below the free end 10 of the clamping spring 4 electrical conductor.
- an actuating portion 13 is bent out of the clamping spring 4, which extends from the clamping portion 8 in the direction of a plane defined by the contact portion 6 plane.
- the free end 14 of the actuating portion 13 is bent and partially overlaps a bearing pin 15 of an actuating lever 16 which is movable about the pivot bearing 17 on a curved path.
- the pivot bearing 17 of the actuating lever 16 is located opposite to the conductor insertion opening 5 and above the collecting pocket 23 formed by the busbar 3.
- the actuating portion 13 is cut out of the spring plate material of the clamping spring 4 so that the free ends 10 of the clamping portion 8 continue to extend in the direction of the busbar section 3, while seen over the width of the clamping spring 4 laterally adjacent portions of the spring plate material is bent out as the actuating portion 13.
- the free end 10 of the clamping portion 8 can form, for example, the central region, while at the right and left edge regions of the actuating portion 13 is bent out.
- the bending of the actuating portion 13 is preferably not sharp-edged, but leaving a spring bow to ensure an elastic articulation of the actuating portion 13 on the clamping portion 8.
- the contact section 6 of the clamping spring 4 is fixed by means of a bracket 17 relative to the busbar section 3.
- the contact section 6 engages through an opening of the bracket 17 and abuts an upper transverse wall 1 $ of the opening of the bracket 17.
- a locking lever 21 is held entangled with the actuating lever 16 in a pivot bearing 22 on the insulating housing 2.
- the pivot bearing 22 is located opposite to the pivot bearing 17 of the actuating lever 16 and is positioned above the conductor insertion opening 5 adjacent to the spring bow 7 of the clamping spring 4.
- the actuating lever 16 Since the clamping spring 4 exerts a counterforce on the bearing pin 15 and the actuating lever 16, the actuating lever 16 would automatically feather down in the illustrated open position to transfer the clamping spring in the closed position.
- the locking lever 21 is provided. At least one laterally outstanding nose 24 of the actuating lever 16 slides on a contour 25 on the underside of the locking lever 21 first along, so that the locking lever 21 when pivoting the operating lever 16 6 is necessarily at least partially pivoted upwards.
- the locking lever 21 1 can finally be manually pressed further into a blocking position in which a surface portion of the folded-up actuating lever 16 abuts against a stop 26 of the locking lever 21. In this way, a forced by the clamping spring 4 pivoting back of the actuating lever 16 is prevented.
- a latching can also be provided.
- the actuating lever 16 is further pivoted a little to the left, so that the actuating lever 16 is moved away from the stop 26 and is no longer in engagement with the locking lever 21.
- the locking lever 21 then lowers due to gravity and possibly by a force acting on the pivot bearing 22 (for example, by elastic deformation of abutting the journal bearing wall) restoring force down towards insulating housing 2.
- the actuating lever 16 is released and can automatically be spent by the spring force of the clamping spring 4 if necessary, under manual guidance in its rest position. Then the nip, as in the FIG. 1 shown, closed again.
- FIG. 3 lets recognize a perspective view of the clamping spring 4. It is clear that the free end 10 is arranged over the width of the clamping spring 4 in the central region. The operating portion is exposed at the right and left margins of the clamping portion leaving the center free end 10 from the clamping portion (cut, punched or the like). The border areas are thereby formed in the manner of a spring bow 29 of the spring plate material.
- the abutment portion 16 adjacent to the front free end has opposite side incisions 30, are hung in the side webs of the bracket 17.
- FIG. 4 leaves a perspective partial sectional view of the terminal 1 FIGS. 1 and 2 detect. It is clear that the actuating lever 16 is mounted above the clamping spring 4 pivotally mounted in the insulating housing 2 and the locking lever 21 entangles this extends through the actuating lever 16 in the opposite direction.
- FIG. 5 lets recognize another embodiment of a terminal 1.
- the abutment leg is mounted on a bracket 17 which engages under the busbar section 3 and is thus mounted on the busbar section 3.
- the upward force component of the contact section 6 is thus collected by the bracket 17 and transmitted to the busbar section 3.
- the force component of the free end 10 of the clamping spring 4 acts, which is passed directly to the busbar 3 in the illustrated closed position.
- the clamping force acts on the electrical conductor on the busbar section 3. In this way, a self-supporting system is created.
- actuating cylinder 31 a vertically aligned in its extension direction and rotatable about a vertical axis arranged actuating cylinder 31 is installed in the insulating 2.
- the actuating cylinder 31 has an obliquely upwardly inclined Auflagerampe 32, on which in this embodiment, the other way round in the direction of the conductor insertion opening. 5 bent free end 14 of the actuating portion 13 of the clamping spring 4 rests.
- a slot 33 is provided for receiving a screwdriver, with which the actuating cylinder 31 can be rotated about the vertical axis V around.
- the bent free end 14 of the actuating portion 13 slides on the Auflagerampe 32 upwards, so that a tensile force is exerted on the actuating portion 13 and the free end 10 of the clamping portion 8 is pivoted to open the clamping spring 4 upwards.
- the actuating cylinder 31 may optionally be e.g. with a slidably received in the insulating housing 2 slider (not shown) are locked in at least one end position.
- FIG. 6 shows a third AusRihrungsform of the terminal 1, in which also an actuating cylinder 31 is now rotatably mounted about a horizontal axis H in the insulating housing 2.
- the located in the interior of the insulating housing 2 free end of the actuating cylinder 31 has a projecting support 34 on which the bent towards the conductor insertion opening 5 free end 14 of the actuating portion 13 of the clamping spring 4 rests.
- the protruding support 34 travels upwardly from the position shown.
- the distance of the support 34 to the busbar section 3 increases and it is a tensile force exerted on the actuating portion 13, which opens the clamping spring 4.
- FIG. 7 can recognize a further embodiment of the terminal 1.
- a rotary wheel 35 is rotatably mounted in the insulating housing 2 above the busbar section 3, leaving a collecting space for an electrical conductor (not shown).
- At least one lateral free end of the rotary wheel 35 which is accessible from the side of the insulating housing 2 from the outside, - has an actuating slot 33 for insertion z.
- B. a screwdriver to the rotary knob 35 in the clockwise direction to close the clamping spring 4 and against the Turn clockwise to open the clamping spring.
- the axis of rotation of the rotary wheel 35 is approximately perpendicular to the conductor insertion opening 5 and approximately perpendicular to the force of the clamping spring 4 and to the extension direction of the actuating portion thirteenth
- the opposite to the Leiteinftihrungsö réelle 5 bent free end 14 of the actuating portion 13 is mounted in a bearing pin 36 and overlaps this bearing pin 36 partially.
- the free end 14 of the actuating portion 13 is pulled upwards and it is a tensile force exerted on the actuating portion 13, which opens the clamping spring 4.
- FIG. 8 allows a spring terminal unit with a clamping spring 4 in the form of a tension spring, in which the contact portion 6 is bent down in the direction of busbar section 3 and free end 10 of the clamping portion 8 down.
- the contact section 6 has at its lower end an opening which is bounded by a lower edge web 37.
- the busbar section 3 is guided by the opening 38.
- the contact section 6 is fixed by means of the lower transverse edge 37 at the free end of the contact section 6 on the busbar section 3.
- the actuating section 13 is in turn bent away from the clamping section 8 opposite to the busbar and opposite to the extension direction of the bent-down contact section 6 upwards.
- the free end 14 of the actuating portion 13 is in turn bent to be hooked into an actuator or by an actuator, such as a screwdriver, under attack.
- This spring clamp unit 36 can in conjunction with various variants of actuators, such as the above pivoting on Isolierstoffgeophuse 2 arranged actuating levers or rotatably arranged actuating cylinders or operating wheels are used.
- FIG. 9 leaves a front view of the spring clamp unit 36 from FIG. 8 detect. It is clear that the busbar section 3 is guided through an opening 38 in the plant leg 6.
- FIG. 10 shows another embodiment of a spring terminal unit, in which the plant leg 6 is again hung with a bracket 17 to the busbar section 3.
- the actuating portion 13 is made of the clamping portion 8 above the free end 10 as a separate part and connected to the clamping portion 8, for example by riveting, welding or the like.
- FIG. 11 shows an embodiment of a terminal 1, in which the actuation of the clamping spring 4 with an actuating tool 39, such as a screwdriver, which is inserted into an actuating opening 39.
- the actuating tool 39 rests with its underside against the insulating material housing 2 in the actuating opening 40.
- the top of the actuating opening 40 is formed by a pivotable wall 41, which is formed integrally with the insulating material 2 of the same insulating material.
- the pivotable wall 41 is suspended in the free end of the actuating portion 13. In this way, the operating tool 39 abuts against the pivotable wall 41 and possibly passes through the operating portion 13 of the clamping spring 4.
- plug contacts such. B. fork-shaped tabs o. ⁇ ., Are connected in one piece.
- plug contacts can, for. B. manufactured as separate parts and electrically connected by means of welding, Tox or soldered to the busbar section 3. It is also conceivable, however, that soldering feet for a printed circuit board connection are provided vertically or horizontally to the conductor insertion direction on the conductor rail section 3.
- the insulating housing 2 is constructed in two parts and the two halves are symmetrical to each other. Then, the spring terminal unit can be inserted into a part of the insulating housing 2 and after mounting the housing with the second housing half are closed.
- FIG. 12 shows a side view of a sixth embodiment of a terminal 1, in which a plug contact in the form of a forwardly extending fork-shaped tongue 44 is integrally formed with a busbar piece 45.
- the bracket 17 is also integrally formed with the busbar piece 45 and punched or cut out of this example, and bent out of a support plane of the Stromschienenstticks 45 for the busbar section 3.
- the busbar piece 45 but also the busbar section 3 itself be, so that the tongue 44 and the bracket 17 are integrally formed from the busbar section 3.
- FIG. 13 shows a side view of a seventh embodiment of a terminal 1 with the busbar section 3 or an adjoining separate busbar piece 45 downgoing solder pins 46.
- the terminal 1 can be inserted and soldered in this way in a printed circuit board.
- the bracket 17 is in turn one piece with the busbar section 3 or possibly an adjacent busbar piece 45th shaped and bent outward or free-cutting from the contact plane up to the plant leg 6 of the clamping spring 4.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Clamps And Clips (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Installation Of Bus-Bars (AREA)
Description
Die Erfindung betrifft eine Anschlussklemme mit einem Isolierstoffgehäuse und mit mindestens einer Federklemmeinheit mit einer Klemmfeder und einem Stromschienenabschnitt in dem Isolierstoffgehäuse, wobei die Klemmfeder einen Anlageabschnitt, einen sich an den Anlageabschnitt anschließenden Federbogen (7) und einen sich an den Federbogen anschließenden und zum Anklemmen eines elektrischen Leiters gegen den Stromschienenabschnitt ausgeformten Klemmabschnitt hat.The invention relates to a terminal with a Isolierstoffgehäuse and at least one spring terminal unit with a clamping spring and a busbar section in the insulating material, wherein the clamping spring a contact portion, a subsequent to the contact portion spring bow (7) and a subsequent to the spring bow and for clamping a electrical conductor has against the busbar section shaped clamping section.
Derartige Federkraft-Anschlussklemmen sind in vielfältiger Form bekannt. Ein elektrischer Leiter wird von einem Klemmabschnitt durch Federkraft einer Klemmfeder gegen einen Stromschienenabschnitt gedrückt und hierdurch wird ein elektrisch leitender Kontakt zwischen Stromschienenabschnitt und ängeklemmterri elektrischen Leiter hergestellt.Such spring force terminals are known in many forms. An electrical conductor is pressed by a clamping portion by spring force of a clamping spring against a busbar section and thereby an electrically conductive contact between the busbar section and ängeklemmterri electrical conductor is made.
Insbesondere zur Entnahme eines elektrischen Leiters muss die Klemmfeder entgegen ihrer Federkraft verlagert und die Klemmstelle geöffnet werden. Dies gelingt durch Betätigungswerkzeuge, wie Schraubendreher, die in geeignete Betätigungsöffnungen eingeführt werden oder durch in das Isolierstoffgehäuse der Anschlussklemme eingebaute Betätigungsorgane.In particular, for the removal of an electrical conductor, the clamping spring must be displaced against its spring force and the clamping point to be opened. This is achieved by actuation tools, such as screwdrivers, which are inserted into suitable actuating openings or by built-in in the insulating housing of the terminal actuators.
Aus der
Ausgehend hiervon ist es Aufgabe der vorliegenden Erfindung, eine verbesserte Anschlussklemme zu schaffen, bei der die Betätigung und die Integration eines Betätigungsorgans in einem Isolierstoffgehäuse verbessert ist.Based on this, it is an object of the present invention to provide an improved terminal in which the operation and the integration of an actuator is improved in an insulating material.
Die Aufgabe wird mit der Anschlussklemme der eingangs genannten Art mit den Merkmalen des kennzeichnenden Teils des Anspruchs 1 gelöst.The object is achieved with the terminal of the aforementioned type with the features of the characterizing part of
Durch den vom Klemmabschnitt weg ragenden Betätigungsabschnitt wird eine z.B. integral mit der Klemmfeder geformte Lasche bereitgestellt, an der ein Betätigungselement wirken kann, um durch Zugkraft auf diese Lasche den Klemmabschnitt entgegen der Federkraft der Klemmfeder zu verlagern und die Klemmstelle zu öffnen.By the actuating portion protruding away from the clamping portion, an e.g. provided integral with the clamping spring tab on which an actuating element may act to move by pulling force on this tab the clamping portion against the spring force of the clamping spring and to open the nip.
Im Unterschied zu den herkömmlichen Lösungen, bei denen Betätigungselemente durch Druck auf die Klemmfeder ein Öffnen bei der Klemmstelle erreichen, gelingt es mit der vorliegenden Erfindung, andere Kinematiken für Betätigungselemente in die Anschlussklemme zu integrieren. Diese Kinematiken, welche eine Zugkraft auf die Lasche, d.h. den Betätigungsabschnitt ausüben, haben je nach konkreter Ausführungsform Vorteile hinsichtlich der Integrierbarkeit in den verfügbaren Bauraum, der Baugröße, der Kraft-Momenteh-Umsetzung, der Lagerung im Isolierstoffgehäuse etc.In contrast to the conventional solutions, in which actuators reach an opening at the nip by pressure on the clamping spring, it is possible with the present invention to integrate other kinematics for actuators in the terminal. These kinematics, which exert a pulling force on the tab, ie the operating portion, have more concrete as to Embodiment Advantages with regard to the integrability in the available space, the size, the Kraft-Momenteh implementation, storage in the insulating housing, etc.
Als Betätigungselement kann ein in eine Betätigungsöffnung des Isolierstoffgehäuses einsteckbares Betätigungswerkzeug, wie z. B. ein Schraubendreher, dienen. Mit Hilfe dieses Betätigungswerkzeuges kann der vom Klemmabschnitt abgehende Betätigungsabschnitt untergriffen werden, um die Klemmfeder mittels Zugkraft auf den Betätigungsabschnitt zu öffnen.As an actuating element can be inserted into an actuating opening of the insulating housing actuating tool, such. As a screwdriver, serve. With the help of this operating tool, the operating portion extending from the clamping portion can be under attack to open the clamping spring by means of tensile force on the actuating portion.
Besonders vorteilhaft ist es jedoch, wenn das Betätigungselement bereits Teil der Anschlussklemme bildet und beweglich an oder in dem Isolierstoffgehäuse gelagert ist. So kann das Betätigungselement beispielsweise ein verschwenkbar in oder an dem Isolierstoffgehäuse gelagerter Betätigungshebel, ein verschiebbar am Isolierstoffgehäuse gelagerter Betätigungsschieber oder ein rotierbar im Isolierstoffgehäuse gelagertes Betätigungsrad sein.However, it is particularly advantageous if the actuating element already forms part of the connection terminal and is movably mounted on or in the insulating material housing. For example, the actuating element can pivotably mounted in or on the insulating housing actuating lever, a slidably mounted on the insulating housing actuating slide or a rotatable in Isolierstoffgehäuse be stored operating wheel.
Der Betätigungsabschnitt der Klemmfeder hat vorzugsweise ein umgebogenes Ende, das in das Betätigungselement eingehängt ist. Damit wird sichergestellt, dass das Betätigungselement in Eingriff mit dem Betätigungsabschnitt der Klemmfeder steht und der Betätigungsabschnitt bei Verlagerung des Betätigungselements durch Zug auf den Betätigungsabschnitt der Bewegung des Betätigungselementes folgt.The actuating portion of the clamping spring preferably has a bent end which is hooked into the actuating element. This ensures that the actuating element is in engagement with the actuating portion of the clamping spring and the operating portion follows upon displacement of the actuating element by train on the actuating portion of the movement of the actuating element.
Der Klemmabschnitt der Klemmfeder kann mindestens ein zum Anklemmen eines elektrischen Leiters an den Stromschienenabschnitt vorgesehenes freies Ende mit einer Klemmkante haben. Der integral mit dem Klemmabschnitt geformte Betätigungsabschnitt der Klemmfeder ist dabei von dem Klemmabschnitt vor dem freien Ende so abgebogen, dass ein Teil der Breite des Klemmabschnittes das mindestens eine freie Ende und der andere Teil bzw. die anderen Teile der Breite des Klemmabschnittes den Betätigungsabschnitt bildet. Auf diese Weise gelingt es, den Betätigungsabschnitt integral aus dem Federblechmaterial der Klemmfeder zu formen. Der Betätigungsabschnitt ist dabei aus dem Klemmabschnitt freigeschnitten oder frei gestanzt. Unter Belassung der vom Klemmabschnitt weiterlaufenden freien Enden des Klemmabschnittes wird der Betätigungsabschnitt aus dem benachbarten Material der Klemmfeder angrenzend zum freien Ende des Klemmabschnittes gebildet. Dabei wird der Betätigungsabschnitt vom freien Ende der Klemmfeder weg in eine andere Richtung weisend umgebogen, als in Erstreckungsrichtung des freien Endes des Klemmabschnitts.The clamping portion of the clamping spring may have at least one provided for clamping an electrical conductor to the busbar section free end with a clamping edge. The integrally formed with the clamping portion actuating portion of the clamping spring is bent from the clamping portion in front of the free end so that part of the width of the clamping portion forms the at least one free end and the other part or the other parts of the width of the clamping portion of the actuating portion. In this way, it is possible to form the actuating portion integrally from the spring plate material of the clamping spring. The actuating portion is cut free from the clamping portion or punched free. Leaving aside the free ends of the clamping section running from the clamping section, the actuating section of the adjacent material of the clamping spring is formed adjacent to the free end of the clamping section. In this case, the actuating portion is bent away from the free end of the clamping spring pointing in a different direction, as in the extension direction of the free end of the clamping portion.
In einer Ausführungsform der Anschlussklemme ist der Anlageabschnitt in Richtung Klemmabschnitt weisend umgebogen. Die Klemmfeder hat dabei einen Durchbruch, durch den der Klemmabschnitt oder der Betätigungsabschnitt hindurchgeführt ist. Auf diese Weise wird eine Käfigzugfeder gebildet, bei der die Längserstreckungsrichtung des Durchbruchs quer zu einem durch den Durchbruch hindurchgeführten Stromschienenabschnitt steht.In one embodiment of the connection terminal, the contact section is bent in the direction of the clamping section. The clamping spring has an opening through which the clamping portion or the operating portion is passed. In this way, a cage tension spring is formed, in which the longitudinal extension direction of the aperture is transverse to a conductor rail section guided through the aperture.
Eine solche Käfigzugfeder kann nun nicht wie üblich durch Ausübung einer Druckkraft auf den Klemmabschnitt, sondern durch Ausübung einer Zugkraft auf den Betätigungsabschnitt der Klemmfeder geöffnet werden. Dies hat den Vorteil, dass das Betätigungselement gegenüberliegend zum Klemmabschnitt in einem vollkommen anderen Raum des Isolierstoffgehäuses, als bislang üblich angeordnet sein kann.Such a cage tension can not be opened as usual by exerting a compressive force on the clamping portion, but by exerting a tensile force on the operating portion of the clamping spring. This has the advantage that the actuating element opposite to the clamping portion can be arranged in a completely different space of the insulating material housing, than hitherto usual.
Der Anlageabschnitt, der Klemmabschnitt und/oder der Betätigungsabschnitt sind dabei so durch den Durchbruch hindurchgeführt, dass der Anlageabschnitt, der Klemmabschnitt und/oder der Betätigungsabschnitt durch den Durchbruch hindurchragt und sich mit einem Teil vor dem Durchbruch und mit seinem anderen Teil hinter dem Durchbruch erstreckt.The contact section, the clamping section and / or the actuating section are guided through the opening in such a way that the contact section, the clamping section and / or the actuating section projects through the opening and extends with one part in front of the opening and the other behind the opening ,
Besonders vorteilhaft ist es, wenn ein Bügel am Stromschienenabschnitt angeordnet ist und der Anlageabschnitt an dem Bügel anliegt. Gegenüberliegend zum Anlageabschnitt untergreift der Bügel den Stromschienenabschnitt, so dass die Anschlussklemme selbsttragend ist und eine vom Anlageabschnitt auf den Bügel ausgeübte Haltekraft über den Bügel und eine entgegengerichtete, vom Klemmabschnitt auf den Stromschienenabschnitt wirkende Klemmkraft kompensierbar ist. Um ein vollständig selbsttragendes System zu realisieren, ist es zudem vorteilhaft, wenn das Betätigungselement am Stromschienenabschnitt oder dem Bügel direkt oder indirekt aufgelagert ist, um eine Relativbewegung zwischen Betätigungsabschnitt und Stromschienenabschnitt zu bewirken. Damit wird verhindert, dass sich das Betätigungselement im Wesentlichen am Isolierstoffgehäuse abstützt. Die auf den Betätigungsabschnitt der Klemmfeder aufgebrachte Zugkraft wird bei diesem selbsttragenden System somit durch die Auflagerung relativ zum Stromschienenabschnitt von dem Stromschienenabschnitt und dem daran anliegenden Anlageabschnitt der Klemmfeder aufgefangen.It is particularly advantageous if a bracket is arranged on the busbar section and the contact section bears against the bracket. Opposite to the contact section of the bracket engages under the busbar section, so that the terminal is self-supporting and exerted by the contact section on the bracket holding force on the bracket and an opposite, acting from the clamping section on the busbar section clamping force can be compensated. In order to realize a completely self-supporting system, it is also advantageous if the actuating element is directly or indirectly supported on the busbar section or the bracket in order to effect a relative movement between the actuating section and the busbar section. This prevents that the actuating element is supported substantially on the insulating housing. The tensile force applied to the actuating portion of the clamping spring is thus absorbed in this self-supporting system by the Auflagerung relative to the busbar section of the busbar section and the adjoining abutting portion of the clamping spring.
Alternativ zu einem Bügel zur Lagerung des Anlageabschnittes kann der Stromschienenabschnitt in einem an den Klemmabschnitt der Klemmfeder angrenzenden Bereich in Richtung Anlageabschnitt umgebogen sein und einen Durchbruch zur Durchführung eines Teils des Anlageabschnitts und eines Teils des Klemmabschnitts haben. Der Anlageabschnitt liegt dabei an einer Begrenzungskante des Durchbruchs an der Stromschiene an.As an alternative to a bracket for supporting the contact section, the busbar section can be bent in an area adjacent to the clamping section of the clamping spring in the direction of the contact section and a Breakthrough to carry out a part of the abutment portion and a part of the clamping portion have. The contact section lies against a boundary edge of the opening on the busbar.
Mit Hilfe des Stromschienenabschnitts kann auch eine Auffangtasche für den elektrischen Leiter gebildet werden. Hierzu ist es vorteilhaft, wenn der Stromschienenabschnitt gegenüberliegend zu einer Leitereinführungsöffnung für einen elektrischen Leiter im Isolierstoffgehäuse U-förmig abgewinkelt ist. Die beiden sich gegenüberliegenden Teile des U-förmigen abgewinkelten Stromschienenabschnitts stellen einen Aufnahmeraum für einen elektrischen Leiter zur Verfügung, der durch die quer hierzu stehende Verbindungswand des Stromschienenabschnitts in seiner Tiefe begrenzt ist.With the help of the busbar section and a collecting bag for the electrical conductor can be formed. For this purpose, it is advantageous if the busbar section is angled U-shaped opposite to a conductor insertion opening for an electrical conductor in the insulating housing. The two opposing parts of the U-shaped angled busbar section provide a receiving space for an electrical conductor, which is bounded by the transversely thereto connecting wall of the busbar section in its depth.
Bei der Betätigung der Klemmfeder durch Zugkraft kann das Problem auftreten, dass das Betätigungselement durch die Kraft der Klemmfeder von der Offenstellung in die geschlossene Position der Klemmfeder zurückgedrängt wird. Es ist daher vorteilhaft, an der Oberseite des Isolierstoffgehäuses einen Sperrhebel schwenkbar anzulenken. Der Sperrhebel hat hierbei einen mit dem Betätigungshebel zusammenwirkenden Sperrabschnitt zum Halten des Betätigungshebels in der Offenstellung.When operating the clamping spring by pulling force, the problem may arise that the actuating element is pushed back by the force of the clamping spring from the open position to the closed position of the clamping spring. It is therefore advantageous to pivot a locking lever on the upper side of the insulating housing. The locking lever in this case has a cooperating with the operating lever locking portion for holding the operating lever in the open position.
Der Sperrhebel kann dabei z. B. mit seinem freien Ende einen Durchbruch des Betätigungshebels durchragen. Beim Aufschwenken des Betätigungshebels wird der Sperrhebel dann über die Kontur des Betätigungshebels in seinem Durchbruch aus seiner Ruhelage heraus bewegt. Sobald der Betätigungshebel entgegen der Federkraft weit genug aufgeschwenkt ist, kann der Sperrhebel mit einer als Absatz ausgebildeten Sperrkontur gegen den Betätigungshebel gelegt werden. Der Betätigungshebel kann dabei am Sperrhebel verrastet werden. Zur Aufhebung der Sperrstellung kann der Betätigungshebel dann überschwenkt werden, so dass der Sperrabschnitt außer Eingriff mit dem Betätigungshebel gelangt und sich der Sperrhebel vom Betätigungshebel wegbewegt. Damit wird der Betätigungshebel wieder freigegeben und kann durch Federkraft in seine Ruhelage verbracht werden, in der die Klemmfeder dann zum Anklemmen eines elektrischen Leiters geschlossen ist.The locking lever can be z. B. protrude with its free end a breakthrough of the operating lever. When swinging the actuating lever, the locking lever is then moved over the contour of the actuating lever in its breakthrough from its rest position. Once the operating lever is pivoted against the spring force far enough, the locking lever can be placed with a designed as a paragraph locking contour against the operating lever. The actuating lever can be locked on the locking lever. To cancel the blocking position of the actuating lever can then be swung over, so that the locking portion is disengaged from the actuating lever and the locking lever moves away from the actuating lever. Thus, the operating lever is released again and can be moved by spring force in its rest position, in which the clamping spring then Clamping an electrical conductor is closed.
Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen mit den beigefügten Zeichnungen näher erläutert. Es zeigen:
Figur 1- - Seiten-Schnittansicht einer ersten Ausfuhrungsform einer Anschlussklemme in der geschlossenen Klemmstellung;
Figur 2- - Seiten-Schnittansicht der
Anschlussklemme aus Figur 1 in der Offenstellung; Figur 3- - perspektivische Ansicht einer Klemmfeder der Anschlussklemme aus
Figuren 1 und2 ; Figur 4- - perspektivische Schnittansicht der Anschlussklemme aus
Figuren 1 und2 ; Figur 5- - Seiten-Schnittansicht einer zweiten Ausführungsform einer Anschlussklemme in der geschlossenen Klemmstellung mit vertikal stehendem, rotierbar gelagertem Betätigungselement;
Figur 6- - dritte Ausführungsform einer Anschlussklemme in der geschlossenen Klemmposition mit horizontal stehendem, rotierbar gelagertem Betätigungselement;
Figur 7- - vierte Ausführungsform einer Anschlussklemme in der geschlossenen Klemmposition mit rotierbar im Isolierstoffgehäuse gelagerten Betätigungsrad;
Figur 8- - Ausschnittsansicht einer Federklemmeinheit für eine Anschlussklemme
Figur 9 mit einer Zugfeder; - Frontansicht derFederklemmeinheit aus Figur 8 ; Figur 10- - Ausschnittsansicht einer Ausführungsform einer Federklemmeinheit in Seiten-Schnittansicht mit einem am Stromschienenabschnitt gelagertem Bügel;
Figur 11- - Seiten-Schnittansicht einer fünften Ausführungsform einer Anschlussklemme mit einem Schraubendreher zur Betätigung der Federklemmeinheit;
Figur 12- - Seitenansicht einer sechsten Ausftlhrungsform einer Anschlussklemme mit integral mit einem Stromschienenstück ausgeformten Frontstecker;
Figur 13- - Seitenansicht einer siebten Ausführungsform einer Anschlussklemme mit vom Stromschienenabschnitt abgehenden Lötstiften.
- FIG. 1
- - Side sectional view of a first embodiment of a terminal in the closed clamping position;
- FIG. 2
- - Side sectional view of the terminal off
FIG. 1 in the open position; - FIG. 3
- - Perspective view of a clamping spring of the terminal
FIGS. 1 and2 ; - FIG. 4
- - Perspective sectional view of the terminal
FIGS. 1 and2 ; - FIG. 5
- - Side sectional view of a second embodiment of a terminal in the closed clamping position with vertical standing, rotatably mounted actuator;
- FIG. 6
- - Third embodiment of a terminal in the closed clamping position with horizontal standing, rotatably mounted actuator;
- FIG. 7
- - Fourth embodiment of a terminal in the closed clamping position with rotatably mounted in the insulating housing actuating wheel;
- FIG. 8
- - Sectional view of a spring clamp unit for a terminal
FIG. 9 with a tension spring; - Front view of spring clamp unit offFIG. 8 ; - FIG. 10
- - Sectional view of an embodiment of a spring clamping unit in side sectional view with a bracket mounted on the busbar section;
- FIG. 11
- - Side sectional view of a fifth embodiment of a terminal with a screwdriver for actuating the spring clamp unit;
- FIG. 12
- - Side view of a sixth embodiment of a terminal with integrally molded with a busbar piece front connector;
- FIG. 13
- - Side view of a seventh embodiment of a terminal with outgoing from the busbar section solder pins.
Die Klemmfeder 4 hat einen Anlageabschnitt 6, einen sich daran anschließenden Federbogen 7 und einen sich an den Federbogen anschließenden Klemmabschnitt 8. Die Klemmfeder 4 ist dabei mit Hilfe des Federbogens 7 auf einem Lagerbolzen 9 des Isolierstoffgehäuses 2 gelagert. Der Federbogen 7 umschließt dabei den Lagerbolzen 9 teilweise.The clamping
Mindestens ein freies Ende 10 des Klemmabschnitts 8 ragt in Richtung der Stromschiene 3 hervor, um eine Klemmstelle für einen in die Leitereinführungsöffnung 5 eingeschobenen elektrischen Leiter zu bilden, der von dem freien Ende 10 gegen den Klemmbereich 11 der Stromschiene 3 gedrückt wird. Hierzu sind im Klemmbereich 11 1 Vorwölbungen 12 an der Stromschiene vorhanden, die in Richtung des freien Endes 10 der Klemmfeder 4 und des gegenüberliegenden Anlageschenkels 6 weisen.At least one
Die Stromschiene 3 ist im Querschnitt U-förmig abgewinkelt, um so eine Auffangtasche für einen in die Leitereinführungsöffnung 5 eingeführten und unterhalb des freien Endes 10 der Klemmfeder 4 hindurchgeführten elektrischen Leiters bereitzustellen.The
Vom Klemmabschnitt 8 ist ein Betätigungsabschnitt 13 aus der Klemmfeder 4 herausgebogen, der sich vom Klemmabschnitt 8 in Richtung einer vom Anlageabschnitt 6 aufgespannten Ebene erstreckt. Das freie Ende 14 des Betätigungsabschnitts 13 ist gebogen und übergreift teilweise einen Lagerbolzen 15 eines Betätigungshebels 16, der um das Schwenklager 17 auf einer Kurvenbahn beweglich ist. Das Schwenklager 17 des Betätigungshebels 16 befindet sich gegenüberliegend zur Leitereinführungsöffnung 5 und oberhalb der durch die Stromschiene 3 gebildeten Auffangtasche 23.From the clamping
Der Betätigungsabschnitt 13 ist aus dem Federblechmaterial der Klemmfeder 4 so freigeschnitten, dass sich die freien Enden 10 des Klemmabschnitts 8 weiter in Richtung Stromschienenabschnitt 3 erstrecken, während über die Breite der Klemmfeder 4 gesehen seitlich angrenzende Teilbereiche des Federblechmaterials als Betätigungsabschnitt 13 herausgebogen ist.The actuating
Das freie Ende 10 des Klemmabschnitts 8 kann dabei beispielsweise den mittleren Bereich ausbilden, während an den rechten und linken Randbereichen der Betätigungsabschnitt 13 herausgebogen ist.The
Die Biegung des Betätigungsabschnittes 13 ist vorzugsweise nicht scharfkantig, sondern unter Belassung eines Federbogens, um eine elastische Anlenkung des Betätigungsabschnittes 13 am Klemmabschnitt 8 sicherzustellen.The bending of the actuating
Der Anlageabschnitt 6 der Klemmfeder 4 ist mit Hilfe eines Bügels 17 relativ zum Stromschienenabschnitt 3 fixiert. Hierzu greift der Anlageabschnitt 6 durch einen Durchbruch des Bügels 17 hindurch und liegt an einer oberen Querwand 1$ des Durchbruchs des Bügels 17 an.The
Gegenüberliegend zur oberen Querwand 1$ befindet sich auf der anderen Seite des Durchbruchs eine weitere Querwand 19, die den Stromschienenabschnitt 3 untergreift und vorzugsweise in einer Nut 20 an der Unterseite des Stromschienenabschnitts 3 eingehängt ist und ortsfest gehalten wird.Opposite to the upper
Weiterhin ist ein Sperrhebel 21 verschränkt mit dem Betätigungshebel 16 in einer Schwenklagerung 22 am Isolierstoffgehäuse 2 gehalten. Die Schwenklagerung 22 befindet sich gegenüberliegend zum Schwenklager 17 des Betätigungshebels 16 und ist oberhalb der Leitereinführungsöffnung 5 angrenzend an dem Federbogen 7 der Klemmfeder 4 positioniert.Furthermore, a locking
Wenn der Betätigungshebel 16, wie in
Da die Klemmfeder 4 eine Gegenkraft auf den Lagerbolzen 15 und den Betätigungshebel 16 ausübt, würde der Betätigungshebel 16 in der dargestellten Offenstellung selbsttätig nach unten federn, um die Klemmfeder in die Schließposition zu überführen. Um die Anschlussklemme 1 in der Offenstellung zu halten, ist der Sperrhebel 21 vorgesehen. Mindestens eine seitlich hervorragende Nase 24 des Betätigungshebels 16 gleitet an einer Kontur 25 an der Unterseite des Sperrhebels 21 1 entlang, so dass der Sperrhebel 21 beim Aufschwenken des Betätigungshebels 16 6 zwangsläufig mindestens teilweise nach oben verschwenkt wird. Der Sperrhebel 21 1 kann schließlich manuell weiter in eine Sperrstellung gedrückt werden, bei der ein Flächenabschnitt des hochgeklappten Betätigungshebels 16 an einen Anschlag 26 des Sperrhebels 21 anstößt. Auf diese Weise wird ein durch die Klemmfeder 4 erzwungenes Zurückschwenken des Betätigungshebels 16 verhindert.Since the
Ggf. kann alternativ oder zusätzlich zum Anschlag 26 auch eine Verrastung vorgesehen werden.Possibly. Alternatively or in addition to the
Um die Anschlussklemme 1 wieder in die geschlossene Position zu überführen, wird der Betätigungshebel 16 noch etwas nach links weitergeschwenkt, so dass der Betätigungshebel 16 von dem Anschlag 26 weg bewegt wird und nicht mehr in Eingriff mit dem Sperrhebel 21 steht.In order to transfer the
Der Sperrhebel 21 senkt sich dann bedingt durch die Schwerkraft und ggf. durch eine an der Schwenklagerung 22 (z.B. durch elastische Verformung der am Zapfen anstoßenden Lagerwand) angreifende Rückstellkraft nach unten in Richtung Isolierstoffgehäuse 2 ab. Dadurch wird der Betätigungshebel 16 freigegeben und kann selbsttätig durch die Federkraft der Klemmfeder 4 ggf, unter manueller Führung in seine Ruhelage verbracht werden. Dann ist die Klemmstelle, wie in der
In der Ruhelage greift ein vorstehender Finger 27 des Sperrhebels in eine Öffnung 28 in Betätigungshebel 16 ein und fixiert so den Betätigungshebel 16 in der Ruhelage.In the rest position engages a protruding
Deutlich erkennbar ist zudem das umgebogene freie Ende 14 des Betätigungsabschnitts 13,Clearly visible is also the bent
Weiterhin ist erkennbar, dass der Anlageabschnitt 16 angrenzend an das vordere freie Ende einander gegenüberliegende seitliche Einschnitte 30 hat, in die Seitenstege des Bügels 17 eingehängt werden.Furthermore, it can be seen that the
Deutlich wird bei dieser Ausführungsform, dass ein in seiner Erstreckungsrichtung vertikal ausgerichteter und um eine vertikale Achse rotierbar angeordneter Betätigungszylinder 31 in das Isolierstoffgehäuse 2 eingebaut ist. Der Betätigungszylinder 31 hat eine schräg nach oben geneigte Auflagerampe 32, auf der das bei dieser Ausführungsform anders herum in Richtung Leitereinführungsöffnung 5 umgebogene freie Ende 14 des Betätigungsabschnitts 13 der Klemmfeder 4 aufliegt.It is clear in this embodiment that a vertically aligned in its extension direction and rotatable about a vertical axis arranged actuating
An der Oberseite des Betätigungszylinders 31 ist ein Schlitz 33 zur Aufnahme eines Schraubendrehers eingebracht, mit dem der Betätigungszylinder 31 um die vertikale Achse V herum gedreht werden kann. Das umgebogene freie Ende 14 des Betätigungsabschnitts 13 gleitet dabei an der Auflagerampe 32 nach oben, so dass eine Zugkraft auf den Betätigungsabschnitt 13 ausgeübt wird und das freie Ende 10 des Klemmabschnitts 8 zum Öffnen der Klemmfeder 4 nach oben geschwenkt wird. Der Betätigungszylinder 31 kann optional z.B. mit einem verschiebbar im Isolierstoffgehäuse 2 aufgenommenen Schieber (nicht dargestellt) in mindestens einer Endposition verriegelt werden.At the top of the
Bei dieser Ausführungsform ist das entgegengesetzt zur Leitereinftihrungsöffnung 5 umgebogene freie Ende 14 des Betätigungsabschnitts 13 in einen Lagerbolzen 36 eingehängt und übergreift diesen Lagerbolzen 36 teilweise. Bei der Rotation des Betätigungsrades 35 entgegen dem Uhrzeigersinn wandert der Lagerbolzen 36 nach oben, so dass der Abstand zwischen Stromschienenabschnitt 3 und Lagerbolzen 36 zunimmt. Dabei wird das freie Ende 14 des Betätigungsabschnitts 13 nach oben gezogen und es wird eine Zugkraft auf den Betätigungsabschnitt 13 ausgeübt, die die Klemmfeder 4 öffnet.In this embodiment, the opposite to the
Der Betätigungsabschnitt 13 ist wiederum vom Klemmabschnitt 8 entgegengesetzt zur Stromschiene und entgegengesetzt zur Erstreckungsrichtung des herunter gebogenen Anlageabschnitts 6 nach oben abgebogen. Das freie Ende 14 des Betätigungsabschnitts 13 ist wiederum umgebogen, um in ein Betätigungselement eingehängt oder von einem Betätigungselement, beispielsweise einem Schraubendreher, untergriffen zu werden.The
Diese Federklemmeinheit 36 kann in Verbindung mit verschiedenen Varianten von Betätigungselementen, wie beispielsweise der vorbeschriebenen schwenkbar am Isolierstoffgehäuse 2 angeordneten Betätigungshebeln oder rotierbar angeordneten Betätigungszylindern oder Betätigungsrädern, eingesetzt werden.This
Bei all den beschriebenen Ausfilhrungsformen können z. B. in Leitereinführungsrichtung an der der Leitereinführungsöffnung 5 abgewandten Seite des Stromschienenabschnitts 3 Steckkontakte, wie z. B. gabelförmige Steckzungen o. ä., einstückig angebunden werden. Diese Steckkontakte können z. B. als separate Teile gefertigt und mittels Schweiß-, Tox- oder Lötverbindung mit dem Stromschienenabschnitt 3 elektrisch leitend verbunden werden. Denkbar ist aber auch, dass senkrecht oder waagerecht zur Leitereinsteckrichtung an dem Stromschienenabschnitt 3 Lötfüße für eine Leiterplattenanbindung vorgesehen sind.In all the embodiments described, for. B. in conductor insertion direction on the side facing away from the
Vorteilhaft kann es sein, wenn das Isolierstoffgehäuse 2 zweiteilig aufgebaut ist und die beiden Hälften zueinander symmetrisch ausgebildet sind. Dann kann die Federklemmeinheit in ein Teil des Isolierstoffgehäuses 2 eingelegt werden und nach Montage das Gehäuse mit der zweiten Gehäusehälfte verschlossen werden.It may be advantageous if the insulating
Claims (10)
- Connecting terminal (1) having an insulating-material housing (2) and having at least one spring clamping unit with a clamping spring (4) and a busbar section (3) in the insulating-material housing (2), with the clamping spring (4) having a contact section (6) a curved spring area (7) adjacent to the contact section (6) and a clamping section (8) which is designed to clamp an electrical conductor against the busbar section (3), wherein the clamping spring (4) has an operating section (13) which extends away from the direction of the spring force, which acts on the clamping section (8), of the clamping spring (4) and is aligned to be acted on by an operating element (16, 31, 33, 39) such that the operating element (16, 31, 33, 39) can be engaged with the operating section (13) in order to exert a tensile force, which acts on the operating section (13) in the opposite direction to the spring force when the operating element (16, 31, 33, 39) is moved, in order to open the clamping spring (4), characterized in that the operating section of the clamping spring originates from the clamping section of the clamping spring.
- Connecting terminal (1) according to Claim 1, characterized in that the operating element (16, 31, 33, 39) is mounted such that it can move on or in the insulating-material housing (2).
- Connecting terminal (1) according to Claim 2, characterized in that the operating element (16, 31, 33, 39) is an operating lever (16) which is mounted such that it can pivot in or on the insulating-material housing (2), an operating slide which is mounted such that it can move linearly on the insulating-material housing (2), or an operating wheel (39) or operating cylinder (31, 33) which is mounted such that it can rotate in the insulating-material housing (2).
- Connecting terminal (1) according to one of the preceding claims, characterized in that the operating section (13) of the clamping spring (4) has a bent end (14) which is hooked into the operating element (1).
- Connecting terminal (1) according to one of the preceding claims, characterized in that the clamping section (8) has at least one free end (10), which is provided for clamping an electrical conductor onto the busbar section (3), and in that the operating section (13), which is formed integrally with the clamping section (8), is bent away from the clamping section (8) before the free end (10), such that a part of the width of the clamping section (8) forms the at least one free end (10), and the other part forms the operating section (13).
- Connecting terminal (1) according to one of the preceding claims, characterized in that the contact section (6) is bent such that it faces in the direction of the clamping section (8), and the clamping spring (4) has an aperture through which the clamping section (8) or the operating section (13) is passed.
- Connecting terminal (1) according to one of Claims 1 to 5, characterized by a bracket (17) which is arranged on the busbar section (3), with the contact section (6) resting on the bracket (17) and with the bracket (17) engaging under the busbar section (3) such that the connecting terminal (1) is self-supporting, and a holding force which is exerted by the contact section on the bracket (17) can be compensated for via the bracket (17) and a clamping force which is in the opposite direction and acts from the clamping section (8) on the busbar section (3).
- Connecting terminal(1) according to one of Claims 1 to 5, characterized in that the busbar section (3) is bent in the direction of the contact section (6) in an area which is adjacent to the clamping section (8) of the clamping spring (4), and has an aperture (38) for a part of the contact section (6) and a part of the clamping section (8) to pass through, with the contact section (6) resting on the busbar section (3) on a boundary edge of the aperture (38).
- Connecting terminal (1) according to one of the preceding claims, characterized in that the busbar section (3) is angled in a U-shape in order to form a holding pocket (23) for the electrical conductor, which holding pocket (23) is arranged opposite a conductor insertion opening for an electrical conductor in the insulating-material housing (2).
- Connecting terminal (1) according to one of the preceding claims, characterized by a blocking lever (21), which is articulated such that it can pivot on the upper face of the insulating-material housing (2) and has a blocking section, which interacts with the operating lever (16) in order to hold the operating lever (16) in an open position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502011006975.8A DE502011006975C5 (en) | 2010-06-23 | 2011-06-17 | Connection terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010024809A DE102010024809B4 (en) | 2010-06-23 | 2010-06-23 | terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2400595A1 EP2400595A1 (en) | 2011-12-28 |
EP2400595B1 true EP2400595B1 (en) | 2015-06-03 |
Family
ID=44351736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11004958.2A Active EP2400595B1 (en) | 2010-06-23 | 2011-06-17 | Connection terminal |
Country Status (6)
Country | Link |
---|---|
US (1) | US8388387B2 (en) |
EP (1) | EP2400595B1 (en) |
JP (1) | JP5855856B2 (en) |
CN (1) | CN102394387B (en) |
DE (2) | DE102010024809B4 (en) |
TW (1) | TWI540797B (en) |
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DE202016100798U1 (en) | 2016-02-16 | 2017-05-17 | Wago Verwaltungsgesellschaft Mbh | Spring terminal |
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-
2010
- 2010-06-23 DE DE102010024809A patent/DE102010024809B4/en not_active Expired - Fee Related
-
2011
- 2011-06-09 TW TW100120208A patent/TWI540797B/en active
- 2011-06-16 US US13/161,924 patent/US8388387B2/en active Active
- 2011-06-17 DE DE502011006975.8A patent/DE502011006975C5/en active Active
- 2011-06-17 EP EP11004958.2A patent/EP2400595B1/en active Active
- 2011-06-22 JP JP2011138698A patent/JP5855856B2/en active Active
- 2011-06-23 CN CN201110170959.6A patent/CN102394387B/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016100798U1 (en) | 2016-02-16 | 2017-05-17 | Wago Verwaltungsgesellschaft Mbh | Spring terminal |
Also Published As
Publication number | Publication date |
---|---|
TWI540797B (en) | 2016-07-01 |
TW201222994A (en) | 2012-06-01 |
CN102394387B (en) | 2016-02-17 |
DE102010024809B4 (en) | 2013-07-18 |
DE102010024809A1 (en) | 2011-12-29 |
JP2012009438A (en) | 2012-01-12 |
CN102394387A (en) | 2012-03-28 |
EP2400595A1 (en) | 2011-12-28 |
US8388387B2 (en) | 2013-03-05 |
US20110318972A1 (en) | 2011-12-29 |
JP5855856B2 (en) | 2016-02-09 |
DE502011006975C5 (en) | 2024-02-29 |
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