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EP2989685B1 - Direct plug-in compression spring terminal - Google Patents

Direct plug-in compression spring terminal Download PDF

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Publication number
EP2989685B1
EP2989685B1 EP14716860.3A EP14716860A EP2989685B1 EP 2989685 B1 EP2989685 B1 EP 2989685B1 EP 14716860 A EP14716860 A EP 14716860A EP 2989685 B1 EP2989685 B1 EP 2989685B1
Authority
EP
European Patent Office
Prior art keywords
contact zone
compression spring
direct plug
clamping
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
Application number
EP14716860.3A
Other languages
German (de)
French (fr)
Other versions
EP2989685A1 (en
Inventor
Constantin Classen
Michael Herrmann
Karlo Stjepanovic
Heike Schmidtpott
Dietmar Horn
Jürgen Ziemke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP2989685A1 publication Critical patent/EP2989685A1/en
Application granted granted Critical
Publication of EP2989685B1 publication Critical patent/EP2989685B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—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
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface

Definitions

  • the present invention relates to a direct plug compression spring clip for conductor ends, in particular for stranded wire ends, according to the preamble of claim 1.
  • Direct plug compression spring terminals also called “push-in terminals” are known in various embodiments. They differ mainly due to their application, for example, depending on the required current carrying capacity of the busbar, the spring force of the clamping spring and / or their installation conditions, especially their size. Here are a simple installation and a cost-effective production permanently Asked for such a terminal.
  • the EP 1 353 407 B1 discloses in Fig. 28 a direct plug compression spring clip.
  • the DE 20 2008 014 469 A1 also discloses in Fig. 2 a generic direct plug compression spring clip.
  • Object of the present invention is to improve the generic direct plug compression spring clamp so that it is suitable for relatively rigid Vollieiter as well as flexible, especially fine stranded wire and this easily inserted into the Trimsteck-Druckfederklemme and safe in the Trimsteck-Druckfederklemme held and contacted.
  • the direct plug compression spring clamp of claim 1 is characterized in that on the busbar, a second contact zone is provided, which is also provided for guiding the electrical conductor end, and which is spaced from the first contact zone. Through the second contact zone, both the strands of a particular fine stranded conductor end and the conductor of a Vollieiterendes are guided during insertion. Furthermore, the direct plug-type pressure spring terminal is characterized in that the second contact zone is arranged in a conductor insertion direction behind the first contact zone. In addition, the second contact zone is formed by a cutout or a recess in the busbar. The cutout or the recess is provided in a circular or part-circular manner.
  • the electrical conductor in particular the strands of a stranded wire end, centered.
  • the strands are bundled thereby.
  • the distance between the first contact zone and the second contact zone is at least 2 - 5 mm.
  • the busbar preferably extends parallel to a plane spanned by a transverse direction transverse to a base plate of the clamping cage and the conductor insertion direction.
  • the base plate preferably extends parallel to a plane spanned by an extension direction of the direct plug compression spring clamp and the conductor insertion direction.
  • the bus bar has a third contact zone between the first contact zone and the second contact zone.
  • the third contact zone is preferably spaced from the first and / or second contact zone in the extension direction.
  • an electrical conductor inserted into the direct plug compression spring clamp is also pressed onto the bus bar by means of the clamping spring. With a sufficiently great flexibility, however, it is pressed onto the third contact zone. A sufficiently flexible electrical conductor therefore contacts at least the third contact zone and the second contact zone.
  • the section opposite the recess is preferred because it allows a greater variability with respect to the conductor cross-section.
  • the insertion of the conductor end is easier in a partially open cutout, as in a circumferentially closed recess.
  • the second contact zone is formed by a ramp which guides the electrical conductor during insertion into the direct plug compression spring clip.
  • the ramp preferably extends at a shallow angle to the conductor insertion direction.
  • the cutout or the recess is provided on such a ramp.
  • the first contact zone is formed by an edge and a line. It is particularly preferred that it has a sharp-edged design. Sharp-edged in the sense of the invention is an edge with a small radius, which is as far as possible not rounded beyond the producible dimension. Although such an edge is suitable for deforming a flexible electrical conductor end, in particular for deforming the strands of a fine stranded conductor end. It cuts and does not damage them. In principle, however, a contact surface is also suitable as the first contact zone.
  • the first contact zone is preferably arranged at a first end of the busbar and the second contact zone at a second end of the busbar opposite the first end.
  • the first and / or second contact zone may also be spaced from the first and / or second end of the busbar.
  • the first and / or second end of the busbar preferably in the region of the first contact zone and / or the second contact zone, or the first contact zone and / or the second contact zone is provided in each case a kink in the busbar.
  • the first contact zone and / or the second contact zone are provided by deformations of the or projections on the busbar. Such a deformation or molding is formed, for example, by a, in particular ramp-shaped, web.
  • the third contact zone has a contour or a coating which increases the roughness of the contact zone.
  • a contour can be formed, for example, by grooves.
  • another contour or a smooth third contact zone is preferred.
  • a clearance for the clamping spring is provided between the first contact zone and the second contact zone.
  • the franking allows a pivoting of a clamping leg of the clamping spring.
  • a spring stop for the clamping spring is provided between the first contact zone and the second contact zone.
  • the first contact zone forms the spring stop.
  • the clamping cage and the busbar are made in one piece.
  • the clamping cage is made with the busbar from a sheet as a punched and bent part.
  • the clamping cage is made with the busbar of a highly electrically conductive material, in particular of a copper-containing metal. Such production is cost-effective with respect to the production by conventional methods.
  • a stop extending transversely to the base plate is provided on the base plate for the clamping spring. Between the stop and the busbar As a result, a receiving space for the clamping spring and the electrical conductor is formed.
  • the clamping spring preferably has a holding leg and a clamping leg and a crosspiece connecting the legs to one another. It is preferred that the retaining leg extends approximately in the conductor insertion direction and is supported in a mounted state of the direct plug compression spring clip on the stop. Further preferably, the clamping leg on a bending point. As a result, the clamping spring comprises a first region in which it is approximately U-shaped, with the legs extending in this region approximately in the conductor insertion direction or at a shallow angle to the conductor insertion direction. In addition, the clamping spring on a second area.
  • the bending point is preferably provided such that the clamping leg extends in the second region approximately transversely to the conductor insertion direction, preferably at an angle of 70 ° -90 ° to the conductor insertion direction.
  • an open end of the clamping leg is arranged with unmounted electrical conductor between the first contact zone and the second contact zone.
  • the open end of the clamping leg is at unmounted electrical conductor on the spring stop.
  • the clamping leg concealed in unassembled electrical conductor therefore intended for him area of the receiving space.
  • the crosspiece is preferably rounded.
  • the clamping leg is pivoted when inserting the electrical conductor end about a spring axis against its restoring force in a pivoting direction to the holding leg.
  • the retaining leg is supported on the stop.
  • the clamping leg Since the clamping leg is pivoted during insertion of the electrical conductor end in the pivoting direction and the first, second and third contact zones are arranged in Leitereinfuelraum one behind the other, the electrical conductor inserted into the Ministeck-Druckfederklemme located at the open end of the clamping leg and either at least on the first and second or at least at the third and second contact zone mechanically.
  • These three mechanical contact zones are spatially offset from each other and spaced apart.
  • the investment zones are arranged in a triangle to each other.
  • the object is likewise achieved with an arrangement according to claim 14, wherein the electrical conductor mechanically abuts either at the first contact zone and at the second contact zone and at the open end of the clamping leg, or both at the third contact zone and at the second contact zone and at the open end of the clamping leg.
  • the electrical conductor inserted into the direct plug compression spring clamp is therefore jammed between three contact zones, namely between the first and second contact zones and the open end of the clamping leg, or between the third and second contact zones and the open end of the clamping leg.
  • the first or third contact zone, the second contact zone and the open end of the clamping leg are preferably spaced from each other and offset from one another, so that the electrical conductor inserted into the direct plug compression spring clamp is clamped between these three contact zones so that it is also under vibration load can not solve.
  • the Fig. 1 . 2 . 4 and 5 in (a) and (c) show a perspective view and in (b) and (d) a side view of the direct plug compression spring clip 1, wherein in (a) and (b) respectively no electrical conductor 5 in the direct plug compression spring clip first is arranged, and wherein in (c) and (d) each have an electrical conductor 5 is mounted in the direct plug compression spring clip 1.
  • FIG. 3 and 6 are respectively perspective views of the direct plug compression spring clamp and (c) a side view, with the electrical conductor 5 mounted in this embodiment only in (b) and (c) in the direct plug compression spring clamp 1.
  • the direct plug compression spring clip 1 comprises the clamping cage 2 with a busbar 21, and the clamping spring 3, which is provided for clamping the inserted into the direct plug compression spring terminal 1 electrical conductor end 5. It has a base plate 20 which extends parallel to one by an extension direction 41 and a conductor insertion direction 40 spanned plane extends.
  • the busbar 21 is arranged transversely to the base plate 20 of the clamping cage 2 and therefore extends parallel to a plane spanned by a transverse direction 42 and the conductor insertion direction 40 level.
  • the direct plug compression spring clip 1 is characterized by a arranged on the busbar 21 second contact zone 23, which is formed as a guide means and is provided for guiding the electrical conductor end 5.
  • the busbar 21 is connected laterally to the clamping cage 2.
  • a stop 24 for the clamping spring 3 is provided on the base plate 20, which also extends transversely to the base plate 20.
  • a receiving space 200 for the clamping spring 3 and for the electrical conductor 5 is formed between the stop 24 and the busbar 21.
  • the clamping spring 3 has a holding leg 31, with which it is supported on the stop 24, and a clamping leg 32, which is provided for clamping the electrical conductor end.
  • the two legs 31, 32 are connected to a transverse web 30 with each other.
  • the holding leg 31 extends approximately in the conductor insertion direction 40.
  • the clamping leg 32 has a bending point 33.
  • the clamping spring 3 comprises a first region 301, which extends from the holding leg 31 to the bending point 33, and in which the clamping spring 3 is approximately U-shaped.
  • the legs 31, 32 extend approximately in the conductor insertion direction 40. That is, they are arranged approximately parallel to the conductor insertion direction 40 or at a shallow angle to the conductor insertion direction 40 when the electrical conductor 5 is unassembled.
  • the clamping spring 3 comprises a second region 302.
  • the bending point 33 is provided such that the clamping leg 32 in the second region 302 extends approximately transversely to the conductor insertion direction 40, preferably at an angle of 70 ° -90 ° to the conductor insertion direction 40 open end 34 of the clamping leg 32 with unmounted electrical conductor 5 between the first contact zone 22 and the second contact zone 23 is arranged.
  • the crossbar 30 is rounded here.
  • the invention is not limited to this embodiment. But it is also conceivable that between the legs 31, 32, a straight cross bar 30 is provided. In addition, an embodiment is conceivable in which the clamping spring 3 has no transverse web 30, but the legs 31, 32 are directly connected to each other.
  • the rounded design of the transverse web 30 causes the clamping leg 32 is pivoted when inserting the electrical conductor end 5 about a spring axis 6 in a pivoting direction 61 to the holding leg 31 out.
  • the retaining leg 31 is supported on the stop 24.
  • the clamping leg 32 conceals an unmounted electrical conductor 5 provided for him insertion (not shown separately).
  • the clamping leg 32 is pressed in the conductor insertion direction 61 and pivoted against its restoring force in the pivot direction 61.
  • a clearance 25 is provided for the clamping spring 3. In the area of the clearance 25, a free pivoting of the clamping leg 32 in and against the pivoting direction 61 is possible.
  • a spring stop 222 for the clamping spring 3 is provided between the first contact zone 22 and the second contact zone 23, which limits the pivoting of the clamping leg 32 against the pivoting direction 61.
  • the first contact zone 22 and the second contact zone 23 are arranged at opposite ends 201, 202 of the bus bar 2 or only slightly spaced from the two ends 201, 202 of the bus bar 2. Namely, the first contact zone 22 at the first end 201 and the second contact zone 23 at the second end 202 of the bus bar 2 is arranged. Since the busbar 21 is connected laterally to the clamping cage 2, it is freely designed at each of its opposite ends 201, 202. Between the first contact zone 22 and the second contact zone 23, a third contact zone 28 is also provided. The third contact zone 28 is spaced from the first and second contact zones 22, 23 in the extension direction 41 of the direct plug compression spring clip.
  • the clamping cage 2 is made in one piece with the busbar 21 and with the stop 24. In principle, however, are also embodiments conceivable in which the stop 24 and / or the busbar 21 are made separately from the clamping cage 2 and secured thereto.
  • this is preferably made as a stamped and bent part of a highly electrically conductive sheet, preferably a copper-containing sheet
  • the multi-piece production, in which the busbar 21 is made separately has the advantage that only the busbar 21st can be made from relatively expensive copper-containing sheet metal, while the rest of the clamping cage 2 from a relatively cheaper, less electrically conductive material is produced.
  • the clamping cage 2 has an insertion chamfer 26, which extends both along the base plate 20 and along the busbar 21.
  • the Ein Industriesfase 26 is formed by a slope and is intended to prevent the electrical conductor 5 abuts when inserted into the direct plug compression spring clip 1 on an upper edge 27 of the clamping cage 2.
  • the first contact zone 22 is formed by a line-shaped edge of a web extending in the transverse direction 42.
  • the web is formed by a deformation of the bus bar 21. In cross-section, it is approximately nose-shaped, so that it has an insertion flank 221 at its top in the conductor insertion direction 40, which leads the electrical conductor 5 during insertion to the first contact zone 22.
  • An inserted into the direct plug compression spring terminal 1 electrical conductor end 5 is preferably at the tip of the nose.
  • the nose is sharp-edged. This means that it has a small radius in order to increase the surface pressure, ie the contact pressure of the electrical conductor end 5 to the first contact zone 22.
  • the underside of the nose serves as a spring stop 222.
  • the bus bar 21 has a ramp 233, which is formed by a bend 211 of the bus bar 21, and on which also an approximately semicircular trained cutout 231 is provided.
  • a stranded conductor 5 introduced into the direct plug-in compression spring clip 1 is guided not only along the ramp 233, but bundled in the cutout 231.
  • the second contact zone 23 has a sharp-edged, linear edge, with a small radius to increase the contact force.
  • the third contact zone 28 is provided, which is spaced in the extension direction 41 of the first and second contact zone 22, 23 (s. Fig. 1 (d) ).
  • the distance 7 between the first and second contact zone 22, 23 provided the same everywhere, so that the open end 34 of the clamping leg 32 can be pivoted freely in this area and this area at the same time forms the franking 25.
  • a sufficiently rigid electrical conductor 5 inserted into the direct plug-in compression spring clip 1 is pressed against the first and second contact zones 22, 23 with the open end 34 of the clamping leg 32 and mechanically rests against the first in the mounted state.
  • the open end 34 of the clamping leg 32 is spaced both in the conductor insertion direction 40 and in the extension direction 41 of the first contact zone 22 and the second contact zone 23.
  • a flexible electrical conductor 5 inserted into the direct plug compression spring terminal 1 is pressed against the third and second contact zones 28, 23 with the open end 34 of the clamping leg 32 and mechanically rests against the third and second contact zones 28, 23 in the mounted state.
  • the open end 34 of the clamping leg 32 is arranged approximately at the level of the third contact zone 28, but spaced in the extension direction 41 both from the third contact zone 28 and from the second contact zone 23. Therefore, here too, the three mechanical contact zones are arranged in a triangle to each other. As a result, not only the electrical contact but also its mechanical fixation in the direct plug compression spring terminal 1 is ensured even with a flexible electrical conductor 5.
  • the first contact zone 22 is formed by a second bend 212 of the busbar 21, and not by a web. At the upper end 201 of the busbar 21, this extends at an angle to the conductor insertion direction 40. There, the busbar 21 is therefore ramped and forms the Ein Concreteflanke 221 and the Ein Concretefase 26th
  • Both the first contact zone 22 and the second contact zone 23 are each formed by a kink 211, 212 of the bus bar 21.
  • this embodiment corresponds to the Fig. 2 ,
  • the franking 25 is formed by a recess in the busbar 21, and has a stop edge, which serves as a spring stop 222 for the open end 34 of the clamping leg 32.
  • the busbar 21 of the embodiment of the direct plug compression spring clip 1 of Fig. 4 has analogous to the embodiment of the Fig. 3 a recess with a stop edge as a clearing 25 for the clamping leg 32 of the clamping spring 3 and spring stop 222 for the open end 34 of the clamping leg 32. This is also arranged between the first and third contact zone 22, 28.
  • the second contact zone 23 is formed by a bend 211 which is formed only very weakly in the busbar 21 and has both the ramp 233 and the cutout 231
  • the first contact zone 22 and the third contact zone 28 are approximately in the same plane with respect to the extension direction 41 of the direct plug compression spring clip here arranged. As a result, the first contact zone 22 is not linear here, but flat.
  • the first and the second contact zone 22, 23 are not spaced in the extension direction 41 of the third contact zone 28 in this embodiment, the direct plug compression spring clip.
  • both a rigid and a flexible electrical conductor inserted into the direct plug-in pressure spring clamp are present at all three contact zones 22, 23, 28.
  • the bus bar 21 is chamfered at its first end 201.
  • the embodiments of the direct plug compression spring clip 1 shown are suitable both for full conductors and for multi-core and fine-stranded stranded conductors, as well as wire end ferrules.
  • electrical conductors 5 with a conductor cross-section in the order of 0.3 mm 2 - 20 mm 2 , in particular from 0.5 mm 2 - 16 mm 2 can be connected. Due to the three mechanical contact zones, the electrical conductor 5 mounted in the direct plug compression spring clamp 1 is securely fixed.
  • the contact force of the clamping spring 3 is on the bending point 33 in the clamping leg 32 and its length adjustable so that on the one hand, the electrical conductor 5 with a sufficiently small force in the direct plug compression spring clip 1 is inserted, and on the other hand, both the electrical contact and the mechanical fixation are guaranteed.
  • the embodiment of the direct plug compression spring clip 1 of Fig. 6 differs from the embodiment of the Fig. 1 essentially by the configuration of the second contact zone 23.
  • Analogous to the embodiment of the Fig. 1 shows the embodiment of the Fig. 6 also the ramp 233, which is formed by the kink 211 of the busbar 21.
  • two third creases 235 are provided on the second contact zone 23.
  • the third creases 235 run obliquely along the ramp, so that they are arranged in a V-shape relative to one another.
  • two side wings 234 are formed on the second contact zone 23.
  • a introduced into the direct plug compression spring terminal 1 stranded conductor 5 is thereby not only guided along the ramp 233, but also at least partially surrounded by the side wings 234. As a result, the stranded conductor 5 is bundled.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Installation Of Bus-Bars (AREA)

Description

Die vorliegende Erfindung betrifft eine Direktsteck-Druckfederklemme für Leiterenden, insbesondere für Litzenleiterenden, nach dem Oberbegriff des Anspruchs 1.The present invention relates to a direct plug compression spring clip for conductor ends, in particular for stranded wire ends, according to the preamble of claim 1.

Direktsteck-Druckfederklemmen (auch "Push-In-Klemmen" genannt) sind in vielfältigen Ausführungsformen bekannt. Sie unterscheiden sich vor allem aufgrund ihrer Anwendung beispielsweise in Abhängigkeit von der benötigten Stromtragfähigkeit der Stromschiene, der Federkraft der Klemmfeder und/oder ihren Einbauverhältnissen, insbesondere ihrer Baugröße. Dabei sind eine einfache Montage und eine kostengünstige Herstellung dauerhaft gestellte Anforderungen an eine solche Klemme.Direct plug compression spring terminals (also called "push-in terminals") are known in various embodiments. They differ mainly due to their application, for example, depending on the required current carrying capacity of the busbar, the spring force of the clamping spring and / or their installation conditions, especially their size. Here are a simple installation and a cost-effective production permanently Asked for such a terminal.

Die EP 1 353 407 B1 offenbart in Fig. 28 eine Direktsteck-Druckfederklemme. Die DE 20 2008 014 469 A1 offenbart zudem in Fig. 2 eine gattungsgemäße Direktsteck-Druckfederklemme.The EP 1 353 407 B1 discloses in Fig. 28 a direct plug compression spring clip. The DE 20 2008 014 469 A1 also discloses in Fig. 2 a generic direct plug compression spring clip.

Aufgabe der vorliegenden Erfindung ist es, die gattungsgemäße Direktsteck-Druckfederklemme so weiter zu verbessern, dass sie sich sowohl für verhältnismäßig starre Vollieiter als auch für biegsame, insbesondere feinadrige Litzenleiter eignet und diese leicht in die Direktsteck-Druckfederklemme einführbar und sicher in der Direktsteck-Druckfederklemme gehalten und kontaktiert sind.Object of the present invention is to improve the generic direct plug compression spring clamp so that it is suitable for relatively rigid Vollieiter as well as flexible, especially fine stranded wire and this easily inserted into the Direktsteck-Druckfederklemme and safe in the Direktsteck-Druckfederklemme held and contacted.

Die Aufgabe wird gelöst mit einer Direktsteck-Druckfederklemme nach Anspruch 1 sowie einer Anordnung nach Anspruch 14. Vorteilhafte Ausführungsformen sind den Unteransprüchen zu entnehmen.The object is achieved with a direct plug compression spring clamp according to claim 1 and an arrangement according to claim 14. Advantageous embodiments can be found in the dependent claims.

Die Direktsteck-Druckfederklemme des Anspruchs 1 zeichnet sich dadurch aus, dass an der Stromschiene eine zweite Kontaktzone vorgesehen ist, die gleichzeitig zum Führen des elektrischen Leiterendes vorgesehen ist, und die von der ersten Kontaktzone beabstandet ist. Durch die zweite Kontaktzone werden sowohl die Litzen eines insbesondere feinadrigen Litzenleiterendes als auch die Ader eines Vollieiterendes beim Einführen geführt. Weiterhin zeichnet sich die Direktsteck-Druckfederklemme dadurch aus, dass die zweite Kontaktzone in einer Leitereinführrichtung hinter der ersten Kontaktzone angeordnet ist. Zudem ist die zweite Kontaktzone durch einen Ausschnitt oder eine Ausnehmung in der Stromschiene gebildet. Der Ausschnitt oder die Ausnehmung ist kreisförmig oder teilkreisförmig vorgesehen. Dadurch wird der elektrische Leiter, insbesondere die Litzen eines Litzenleiterendes, zentriert. Bei einem Litzenleiter werden die Litzen dadurch gebündelt. Vorzugsweise beträgt der Abstand zwischen der ersten Kontaktzone und der zweiten Kontaktzone zumindest 2 - 5 mm.The direct plug compression spring clamp of claim 1 is characterized in that on the busbar, a second contact zone is provided, which is also provided for guiding the electrical conductor end, and which is spaced from the first contact zone. Through the second contact zone, both the strands of a particular fine stranded conductor end and the conductor of a Vollieiterendes are guided during insertion. Furthermore, the direct plug-type pressure spring terminal is characterized in that the second contact zone is arranged in a conductor insertion direction behind the first contact zone. In addition, the second contact zone is formed by a cutout or a recess in the busbar. The cutout or the recess is provided in a circular or part-circular manner. As a result, the electrical conductor, in particular the strands of a stranded wire end, centered. In a stranded conductor, the strands are bundled thereby. Preferably the distance between the first contact zone and the second contact zone is at least 2 - 5 mm.

Ein in die Direktsteck-Druckfederklemme eingeführter elektrischer Leiter wird mittels der Klemmfeder auf die Stromschiene gedrückt. Ein ausreichend starrer elektrischer Leiter kontaktiert im montierten Zustand sowohl die erste als auch die zweite Kontaktzone.An electrical conductor inserted into the direct plug compression spring clamp is pressed onto the bus bar by means of the clamping spring. A sufficiently rigid electrical conductor contacted in the assembled state, both the first and the second contact zone.

Die Stromschiene erstreckt sich bevorzugt parallel einer durch eine Querrichtung quer zu einer Grundplatte des Klemmkäfigs und die Leitereinführrichtung aufgespannten Ebene. Dabei erstreckt sich die Grundplatte bevorzugt parallel einer durch eine Erstreckungsrichtung der Direktsteck-Druckfederklemme und die Leitereinführrichtung aufgespannten Ebene.The busbar preferably extends parallel to a plane spanned by a transverse direction transverse to a base plate of the clamping cage and the conductor insertion direction. In this case, the base plate preferably extends parallel to a plane spanned by an extension direction of the direct plug compression spring clamp and the conductor insertion direction.

In einer bevorzugten Ausführungsform weist die Stromschiene zwischen der ersten Kontaktzone und der zweiten Kontaktzone eine dritte Kontaktzone auf. Die dritte Kontaktzone ist bevorzugt von der ersten und/oder zweiten Kontaktzone in Erstreckungsrichtung beabstandet.In a preferred embodiment, the bus bar has a third contact zone between the first contact zone and the second contact zone. The third contact zone is preferably spaced from the first and / or second contact zone in the extension direction.

In dieser Ausführungsform wird ein in die Direktsteck-Druckfederklemme eingeführter elektrischer Leiter ebenfalls mittels der Klemmfeder auf die Stromschiene gedrückt. Bei einer ausreichend großen Biegsamkeit wird er dabei aber auf die dritte Kontaktzone gedrückt. Ein ausreichend biegsamer elektrischer Leiter kontaktiert daher zumindest die dritte Kontaktzone und die zweite Kontaktzone.In this embodiment, an electrical conductor inserted into the direct plug compression spring clamp is also pressed onto the bus bar by means of the clamping spring. With a sufficiently great flexibility, however, it is pressed onto the third contact zone. A sufficiently flexible electrical conductor therefore contacts at least the third contact zone and the second contact zone.

Dabei ist der Ausschnitt gegenüber der Ausnehmung bevorzugt, da er eine größere Variabilität in Bezug auf den Leiterquerschnitt zulässt. Zudem ist das Einführen des Leiterendes in einen teiloffenen Ausschnitt leichter, als in eine umfangsgeschlossene Ausnehmung. Ebenfalls bevorzugt ist die zweite Kontaktzone durch eine Rampe gebildet, die den elektrischen Leiter beim Einführen in die Direktsteck-Druckfederklemme führt. Die Rampe erstreckt sich bevorzugt in einem flachen Winkel zu der Leitereinführrichtung. In einer besonders bevorzugten Ausführungsform ist der Ausschnitt oder die Ausnehmung an einer solchen Rampe vorgesehen.In this case, the section opposite the recess is preferred because it allows a greater variability with respect to the conductor cross-section. In addition, the insertion of the conductor end is easier in a partially open cutout, as in a circumferentially closed recess. Also preferably, the second contact zone is formed by a ramp which guides the electrical conductor during insertion into the direct plug compression spring clip. The ramp preferably extends at a shallow angle to the conductor insertion direction. In a particularly preferred embodiment, the cutout or the recess is provided on such a ramp.

Es ist bevorzugt, dass die erste Kontaktzone durch eine Kante und linienförmig ausgebildet ist. Besonders bevorzugt ist sie scharfkantig ausgebildet. Scharfkantig im Sinne der Erfindung ist eine Kante mit einem kleinen Radius, die möglichst nicht über das herstellbare Maß hinaus abgerundet ist. Eine solche Kante eignet sich zwar zum Verformen eines biegsamen elektrischen Leiterendes, insbesondere zum Verformen der Litzen eines feinadrigen Litzenleiterendes. Sie schneidet und beschädigt sie aber nicht. Als erste Kontaktzone eignet sich prinzipiell aber auch eine Kontaktfläche.It is preferred that the first contact zone is formed by an edge and a line. It is particularly preferred that it has a sharp-edged design. Sharp-edged in the sense of the invention is an edge with a small radius, which is as far as possible not rounded beyond the producible dimension. Although such an edge is suitable for deforming a flexible electrical conductor end, in particular for deforming the strands of a fine stranded conductor end. It cuts and does not damage them. In principle, however, a contact surface is also suitable as the first contact zone.

Die erste Kontaktzone ist bevorzugt an einem ersten Ende der Stromschiene und die zweite Kontaktzone an einem dem ersten Ende gegenüberliegenden zweiten Ende der Stromschiene angeordnet. Die erste und/oder zweite Kontaktzone können aber auch vom ersten und/oder zweiten Ende der Stromschiene beabstandet sein.The first contact zone is preferably arranged at a first end of the busbar and the second contact zone at a second end of the busbar opposite the first end. However, the first and / or second contact zone may also be spaced from the first and / or second end of the busbar.

Um den in Erstreckungsrichtung vorgesehenen Abstand der dritten Kontaktzone von der ersten und/oder zweiten Kontaktzone zu gewährleisten, ist es bevorzugt, dass am ersten und/oder zweiten Ende der Stromschiene, vorzugsweise im Bereich der ersten Kontaktzone und/oder der zweiten Kontaktzone, oder an der ersten Kontaktzone und/oder der zweiten Kontaktzone jeweils ein Knick in der Stromschiene vorgesehen ist. Oder ebenfalls bevorzugt sind die erste Kontaktzone und/oder die zweite Kontaktzone durch Verformungen der oder Anformungen an die Stromschiene vorgesehen. Eine solche Verformung oder Anformung ist beispielsweise durch einen, insbesondere rampenförmigen, Steg, gebildet.In order to ensure the distance provided in the extension direction of the third contact zone of the first and / or second contact zone, it is preferred that at the first and / or second end of the busbar, preferably in the region of the first contact zone and / or the second contact zone, or the first contact zone and / or the second contact zone is provided in each case a kink in the busbar. Or also preferably, the first contact zone and / or the second contact zone are provided by deformations of the or projections on the busbar. Such a deformation or molding is formed, for example, by a, in particular ramp-shaped, web.

Die dritte Kontaktzone weist in einer bevorzugten Ausführungsform eine Kontur oder eine Beschichtung auf, die die Rauigkeit der Kontaktzone erhöht. Eine solche Kontur ist beispielsweise durch Riefen ausbildbar. Es ist aber auch eine andere Kontur oder eine glatt ausgebildete dritte Kontaktzone bevorzugt.In a preferred embodiment, the third contact zone has a contour or a coating which increases the roughness of the contact zone. Such a contour can be formed, for example, by grooves. However, another contour or a smooth third contact zone is preferred.

Weiterhin ist es bevorzugt, dass zwischen der ersten Kontaktzone und der zweiten Kontaktzone eine Freimachung für die Klemmfeder vorgesehen ist. Die Freimachung ermöglicht ein Verschwenken eines Klemmschenkels der Klemmfeder. Zudem ist es bevorzugt, dass zwischen der ersten Kontaktzone und der zweiten Kontaktzone ein Federanschlag für die Klemmfeder vorgesehen ist. In einer bevorzugten Ausführungsform bildet die erste Kontaktzone den Federanschlag.Furthermore, it is preferred that a clearance for the clamping spring is provided between the first contact zone and the second contact zone. The franking allows a pivoting of a clamping leg of the clamping spring. In addition, it is preferred that a spring stop for the clamping spring is provided between the first contact zone and the second contact zone. In a preferred embodiment, the first contact zone forms the spring stop.

Besonders bevorzugt sind der Klemmkäfig und die Stromschiene einstückig gefertigt. Ganz besonders bevorzugt ist der Klemmkäfig mit der Stromschiene aus einem Blech als Stanz- Biegeteil hergestellt. Vorzugsweise ist der Klemmkäfig mit der Stromschiene aus einem elektrisch gut leitenden Werkstoff, insbesondere aus einem kupferhaltigen Metall, hergestellt. Eine solche Herstellung ist in Bezug auf die Fertigung mit herkömmlichen Verfahren kostengünstig möglich.Particularly preferably, the clamping cage and the busbar are made in one piece. Most preferably, the clamping cage is made with the busbar from a sheet as a punched and bent part. Preferably, the clamping cage is made with the busbar of a highly electrically conductive material, in particular of a copper-containing metal. Such production is cost-effective with respect to the production by conventional methods.

Weiterhin bevorzugt ist an der Grundplatte ein sich quer zur Grundplatte erstreckender Anschlag für die Klemmfeder vorgesehen. Zwischen dem Anschlag und der Stromschiene ist dadurch ein Aufnahmeraum für die Klemmfeder und den elektrischen Leiter ausgebildet.Further preferably, a stop extending transversely to the base plate is provided on the base plate for the clamping spring. Between the stop and the busbar As a result, a receiving space for the clamping spring and the electrical conductor is formed.

Die Klemmfeder weist bevorzugt einen Halteschenkel und einen Klemmschenkel sowie einen die Schenkel miteinander verbindenden Quersteg auf. Es ist bevorzugt, dass der Halteschenkel sich etwa in Leitereinführrichtung erstreckt und sich in einem montierten Zustand der Direktsteck-Druckfederklemme am Anschlag abstützt. Weiterhin bevorzugt weist der Klemmschenkel eine Biegestelle auf. Dadurch umfasst die Klemmfeder einen ersten Bereich, in der sie etwa u- förmig ausgebildet ist, wobei sich die Schenkel in diesem Bereich etwa in Leitereinführrichtung, oder in einem flachen Winkel zur Leitereinführrichtung, erstrecken. Zudem weist die Klemmfeder einen zweiten Bereich auf. Die Biegestelle ist bevorzugt so vorgesehen, dass sich der Klemmschenkel im zweiten Bereich etwa quer zur Leitereinführrichtung erstreckt, vorzugsweise in einem Winkel von 70° - 90° zur Leitereinführrichtung. Dadurch ist ein offenes Ende des Klemmschenkels bei unmontiertem elektrischem Leiter zwischen der ersten Kontaktzone und der zweiten Kontaktzone angeordnet. Vorzugsweise liegt das offene Ende des Klemmschenkels bei unmontiertem elektrischem Leiter am Federanschlag an. Der Klemmschenkel verdeckt bei unmontiertem elektrischem Leiter daher den für ihn vorgesehenen Bereich des Aufnahmeraums. Beim Einführen des elektrischen Leiterendes wird der Klemmschenkel gegen eine Rückstellkraft in die Leitereinführrichtung gedrückt und verschwenkt.The clamping spring preferably has a holding leg and a clamping leg and a crosspiece connecting the legs to one another. It is preferred that the retaining leg extends approximately in the conductor insertion direction and is supported in a mounted state of the direct plug compression spring clip on the stop. Further preferably, the clamping leg on a bending point. As a result, the clamping spring comprises a first region in which it is approximately U-shaped, with the legs extending in this region approximately in the conductor insertion direction or at a shallow angle to the conductor insertion direction. In addition, the clamping spring on a second area. The bending point is preferably provided such that the clamping leg extends in the second region approximately transversely to the conductor insertion direction, preferably at an angle of 70 ° -90 ° to the conductor insertion direction. As a result, an open end of the clamping leg is arranged with unmounted electrical conductor between the first contact zone and the second contact zone. Preferably, the open end of the clamping leg is at unmounted electrical conductor on the spring stop. The clamping leg concealed in unassembled electrical conductor therefore intended for him area of the receiving space. When inserting the electrical conductor end of the clamping leg is pressed against a restoring force in the Leiterereinführrichtung and pivoted.

Der Quersteg ist bevorzugt abgerundet ausgebildet. Dadurch wird der Klemmschenkel beim Einführen des elektrischen Leiterendes um eine Federachse gegen seine Rückstellkraft in eine Schwenkrichtung zum Halteschenkel verschwenkt. Der Halteschenkel stützt sich dabei am Anschlag ab.The crosspiece is preferably rounded. As a result, the clamping leg is pivoted when inserting the electrical conductor end about a spring axis against its restoring force in a pivoting direction to the holding leg. The retaining leg is supported on the stop.

Da der Klemmschenkel beim Einführen des elektrischen Leiterendes in die Schwenkrichtung verschwenkt wird und die erste, zweite und dritte Kontaktzone in Leitereinführrichtung hintereinander angeordnet sind, liegt der in die Direktsteck-Druckfederklemme eingeführte elektrische Leiter an dem offenen Ende des Klemmschenkels sowie entweder zumindest an der ersten und zweiten oder zumindest an der dritten und zweiten Kontaktzone mechanisch an. Diese drei mechanischen Anlagezonen sind räumlich zueinander versetzt und voneinander beabstandet. Die Anlagezonen sind in einem Dreieck zueinander angeordnet. Dadurch werden sowohl starre Vollleiter als auch biegsame Litzenleiter sicher in der Direktsteck-Druckfederklemme verklemmt, und lösen sich auch unter Vibrationsbelastung nicht.Since the clamping leg is pivoted during insertion of the electrical conductor end in the pivoting direction and the first, second and third contact zones are arranged in Leitereinführrichtung one behind the other, the electrical conductor inserted into the Direktsteck-Druckfederklemme located at the open end of the clamping leg and either at least on the first and second or at least at the third and second contact zone mechanically. These three mechanical contact zones are spatially offset from each other and spaced apart. The investment zones are arranged in a triangle to each other. As a result, both rigid full conductors and flexible stranded conductors are securely clamped in the direct plug compression spring clamp, and do not dissolve even under vibration load.

Die Aufgabe wird ebenfalls gelöst mit einer Anordnung nach Anspruch 14, wobei der elektrische Leiter entweder sowohl an der ersten Kontaktzone als auch an der zweiten Kontaktzone und am offenen Ende des Klemmschenkels, oder sowohl an der dritten Kontaktzone als auch an der zweiten Kontaktzone und am offenen Ende des Klemmschenkels, mechanisch anliegt. Der in die Direktsteck-Druckfederklemme eingeführte elektrische Leiter ist daher zwischen drei Anlagezonen, nämlich zwischen der ersten und zweiten Kontaktzone und dem offenen Ende des Klemmschenkels, oder zwischen der dritten und zweiten Kontaktzone und dem offenen Ende des Klemmschenkels, verklemmt. Die erste oder dritte Kontaktzone, die zweite Kontaktzone und das offene Ende des Klemmschenkels sind dabei bevorzugt voneinander beabstandet und zueinander versetzt angeordnet, so dass der in die Direktsteck-Druckfederklemme eingeführte elektrische Leiter zwischen diesen drei Anlagezonen so verklemmt ist, dass er sich auch unter Vibrationsbelastung nicht lösen kann.The object is likewise achieved with an arrangement according to claim 14, wherein the electrical conductor mechanically abuts either at the first contact zone and at the second contact zone and at the open end of the clamping leg, or both at the third contact zone and at the second contact zone and at the open end of the clamping leg. The electrical conductor inserted into the direct plug compression spring clamp is therefore jammed between three contact zones, namely between the first and second contact zones and the open end of the clamping leg, or between the third and second contact zones and the open end of the clamping leg. The first or third contact zone, the second contact zone and the open end of the clamping leg are preferably spaced from each other and offset from one another, so that the electrical conductor inserted into the direct plug compression spring clamp is clamped between these three contact zones so that it is also under vibration load can not solve.

Nachfolgend wird die Erfindung unter Bezug auf die Zeichnungen anhand von Ausführungsbeispielen näher erläutert, wobei weitere Vorteile der Erfindung deutlich werden. Es zeigen:

  • Fig. 1 - 6 jeweils Ausführungsformen erfindungsgemäßer Direktsteck-Druckfederklemmen.
The invention will be explained in more detail below with reference to the drawings with reference to embodiments, wherein further advantages of the invention will become apparent. Show it:
  • Fig. 1 - 6 in each case embodiments of inventive direct plug-in compression spring terminals.

Sämtliche Figuren zeigen Direktsteck-Druckfederklemmen 1, bei denen eine Klemmfeder 3 in einen Klemmkäfig 2 montiert ist.All figures show direct plug compression spring terminals 1, in which a clamping spring 3 is mounted in a clamping cage 2.

Die Fig. 1, 2, 4 und 5 zeigen jeweils in (a) und (c) eine perspektivische Ansicht und in (b) und (d) eine Seitenansicht der Direktsteck-Druckfederklemme 1, wobei in (a) und (b) jeweils kein elektrischer Leiter 5 in der Direktsteck-Druckfederklemme 1 angeordnet ist, und wobei in (c) und (d) jeweils ein elektrischer Leiter 5 in der Direktsteck-Druckfederklemme 1 montiert ist. In den Fig. 3 und 6 zeigen (a) und (b) jeweils perspektivische Ansichten der Direktsteck-Druckfederklemme und (c) eine Seitenansicht, wobei der elektrische Leiter 5 bei dieser Ausführungsform nur in (b) und (c) in der Direktsteck-Druckfederklemme 1 montiert ist.The Fig. 1 . 2 . 4 and 5 in (a) and (c) show a perspective view and in (b) and (d) a side view of the direct plug compression spring clip 1, wherein in (a) and (b) respectively no electrical conductor 5 in the direct plug compression spring clip first is arranged, and wherein in (c) and (d) each have an electrical conductor 5 is mounted in the direct plug compression spring clip 1. In the Fig. 3 and 6 (a) and (b) are respectively perspective views of the direct plug compression spring clamp and (c) a side view, with the electrical conductor 5 mounted in this embodiment only in (b) and (c) in the direct plug compression spring clamp 1.

Die folgenden Ausführungen gelten für sämtliche der dargestellten Direktsteck-Druckfederklemmen 1.The following explanations apply to all of the illustrated direct plug compression spring terminals 1.

Die Direktsteck-Druckfederklemme 1 umfasst den Klemmkäfig 2 mit einer Stromschiene 21, sowie die Klemmfeder 3, die zum Verklemmen des in die Direktsteck-Druckfederklemme 1 eingeführten elektrischen Leiterendes 5 vorgesehen ist. Sie weist eine Grundplatte 20 auf, die sich parallel einer durch eine Erstreckungsrichtung 41 und eine Leitereinführrichtung 40 aufgespannten Ebene erstreckt. Die Stromschiene 21 ist quer zur Grundplatte 20 des Klemmkäfigs 2 angeordnet und erstreckt sich daher parallel einer durch eine Querrichtung 42 und die Leitereinführrichtung 40 aufgespannten Ebene.The direct plug compression spring clip 1 comprises the clamping cage 2 with a busbar 21, and the clamping spring 3, which is provided for clamping the inserted into the direct plug compression spring terminal 1 electrical conductor end 5. It has a base plate 20 which extends parallel to one by an extension direction 41 and a conductor insertion direction 40 spanned plane extends. The busbar 21 is arranged transversely to the base plate 20 of the clamping cage 2 and therefore extends parallel to a plane spanned by a transverse direction 42 and the conductor insertion direction 40 level.

An der Stromschiene 21 ist eine erste Kontaktzone 22 zum elektrischen Kontaktieren des eingeführten elektrischen Leiterendes 5 vorgesehen. Die Direktsteck-Druckfederklemme 1 zeichnet sich durch eine an der Stromschiene 21 angeordnete zweite Kontaktzone 23 aus, die als ein Führungsmittel ausgebildet ist und zum Führen des elektrischen Leiterendes 5 vorgesehen ist.On the busbar 21, a first contact zone 22 for electrically contacting the inserted electrical conductor end 5 is provided. The direct plug compression spring clip 1 is characterized by a arranged on the busbar 21 second contact zone 23, which is formed as a guide means and is provided for guiding the electrical conductor end 5.

Die Stromschiene 21 ist seitlich an den Klemmkäfig 2 angebunden. Zudem ist an der Grundplatte 20 ein Anschlag 24 für die Klemmfeder 3 vorgesehen, der sich ebenfalls quer zur Grundplatte 20 erstreckt. Dadurch ist zwischen dem Anschlag 24 und der Stromschiene 21 ein Aufnahmeraum 200 für die Klemmfeder 3 und für den elektrischen Leiter 5 ausgebildet.The busbar 21 is connected laterally to the clamping cage 2. In addition, a stop 24 for the clamping spring 3 is provided on the base plate 20, which also extends transversely to the base plate 20. As a result, a receiving space 200 for the clamping spring 3 and for the electrical conductor 5 is formed between the stop 24 and the busbar 21.

Die Klemmfeder 3 weist einen Halteschenkel 31 auf, mit dem sie sich am Anschlag 24 abstützt, sowie einen Klemmschenkel 32, der zum Verklemmen des elektrischen Leiterendes vorgesehen ist. Die beiden Schenkel 31, 32 sind mit einem Quersteg 30 miteinander verbunden.The clamping spring 3 has a holding leg 31, with which it is supported on the stop 24, and a clamping leg 32, which is provided for clamping the electrical conductor end. The two legs 31, 32 are connected to a transverse web 30 with each other.

Dabei erstreckt sich der Halteschenkel 31 etwa in Leitereinführrichtung 40. Der Klemmschenkel 32 weist hingegen eine Biegestelle 33 auf. Dadurch umfasst die Klemmfeder 3 einen ersten Bereich 301, der sich vom Halteschenkel 31 bis zur Biegestelle 33 erstreckt, und in dem die Klemmfeder 3 etwa u- förmig ausgebildet ist. In diesem ersten Bereich 301 erstrecken sich die Schenkel 31, 32 etwa in Leitereinführrichtung 40. Das heißt, dass sie bei unmontiertem elektrischem Leiter 5 etwa parallel zur Leitereinführrichtung 40 oder in einem flachen Winkel zur Leitereinführrichtung 40 angeordnet sind.In this case, the holding leg 31 extends approximately in the conductor insertion direction 40. The clamping leg 32, however, has a bending point 33. As a result, the clamping spring 3 comprises a first region 301, which extends from the holding leg 31 to the bending point 33, and in which the clamping spring 3 is approximately U-shaped. In this first region 301, the legs 31, 32 extend approximately in the conductor insertion direction 40. That is, they are arranged approximately parallel to the conductor insertion direction 40 or at a shallow angle to the conductor insertion direction 40 when the electrical conductor 5 is unassembled.

Zudem umfasst die Klemmfeder 3 einen zweiten Bereich 302. Die Biegestelle 33 ist so vorgesehen, dass sich der Klemmschenkel 32 im zweiten Bereich 302 etwa quer zur Leitereinführrichtung 40 erstreckt, vorzugsweise in einem Winkel von 70° - 90° zur Leitereinführrichtung 40. Dadurch ist ein offenes Ende 34 des Klemmschenkels 32 bei unmontiertem elektrischem Leiter 5 zwischen der ersten Kontaktzone 22 und der zweiten Kontaktzone 23 angeordnet.In addition, the clamping spring 3 comprises a second region 302. The bending point 33 is provided such that the clamping leg 32 in the second region 302 extends approximately transversely to the conductor insertion direction 40, preferably at an angle of 70 ° -90 ° to the conductor insertion direction 40 open end 34 of the clamping leg 32 with unmounted electrical conductor 5 between the first contact zone 22 and the second contact zone 23 is arranged.

Der Quersteg 30 ist hier abgerundet ausgebildet. Die Erfindung ist aber nicht auf diese Ausführungsform beschränkt. Sondern es ist auch denkbar, dass zwischen den Schenkeln 31, 32 ein gerader Quersteg 30 vorgesehen ist. Zudem ist eine Ausführungsform denkbar, bei die Klemmfeder 3 keinen Quersteg 30 aufweist, sondern die Schenkel 31, 32 unmittelbar miteinander verbunden sind.The crossbar 30 is rounded here. The invention is not limited to this embodiment. But it is also conceivable that between the legs 31, 32, a straight cross bar 30 is provided. In addition, an embodiment is conceivable in which the clamping spring 3 has no transverse web 30, but the legs 31, 32 are directly connected to each other.

Die abgerundete Ausbildung des Querstegs 30 bewirkt, dass der Klemmschenkel 32 beim Einführen des elektrischen Leiterendes 5 um eine Federachse 6 in eine Schwenkrichtung 61 zum Halteschenkel 31 hin verschwenkt wird. Der Halteschenkel 31 stützt sich dabei am Anschlag 24 ab.The rounded design of the transverse web 30 causes the clamping leg 32 is pivoted when inserting the electrical conductor end 5 about a spring axis 6 in a pivoting direction 61 to the holding leg 31 out. The retaining leg 31 is supported on the stop 24.

Der Klemmschenkel 32 verdeckt bei unmontiertem elektrischem Leiter 5 eine für ihn vorgesehene Einführöffnung (nicht separat dargestellt). Beim Einführen des elektrischen Leiterendes 5 wird der Klemmschenkel 32 in die Leitereinführrichtung 61 gedrückt und gegen seine Rückstellkraft in die Schwenkrichtung 61 verschwenkt.The clamping leg 32 conceals an unmounted electrical conductor 5 provided for him insertion (not shown separately). When inserting the electrical conductor end 5, the clamping leg 32 is pressed in the conductor insertion direction 61 and pivoted against its restoring force in the pivot direction 61.

Zwischen der ersten Kontaktzone 22 und der zweiten Kontaktzone 23 ist eine Freimachung 25 für die Klemmfeder 3 vorgesehen. Im Bereich der Freimachung 25 ist ein freies Verschwenken des Klemmschenkels 32 in und gegen die Schwenkrichtung 61 möglich.Between the first contact zone 22 and the second contact zone 23, a clearance 25 is provided for the clamping spring 3. In the area of the clearance 25, a free pivoting of the clamping leg 32 in and against the pivoting direction 61 is possible.

Zudem ist zwischen der ersten Kontaktzone 22 und der zweiten Kontaktzone 23 ein Federanschlag 222 für die Klemmfeder 3 vorgesehen, der das Verschwenken des Klemmschenkels 32 gegen die Schwenkrichtung 61 begrenzt.In addition, a spring stop 222 for the clamping spring 3 is provided between the first contact zone 22 and the second contact zone 23, which limits the pivoting of the clamping leg 32 against the pivoting direction 61.

Die erste Kontaktzone 22 und die zweite Kontaktzone 23 sind an gegenüberliegenden Enden 201, 202 der Stromschiene 2 angeordnet oder nur geringfügig von den beiden Enden 201, 202 der Stromschiene 2 beabstandet. Und zwar ist die erste Kontaktzone 22 am ersten Ende 201 und die zweite Kontaktzone 23 am zweiten Ende 202 der Stromschiene 2 angeordnet. Da die Stromschiene 21 seitlich am Klemmkäfig 2 angebunden ist, ist sie an ihren gegenüberliegenden Enden 201, 202 jeweils frei gestaltbar. Zwischen der ersten Kontaktzone 22 und der zweiten Kontaktzone 23 ist zudem eine dritte Kontaktzone 28 vorgesehen. Die dritte Kontaktzone 28 ist in Erstreckungsrichtung 41 der Direktsteck-Druckfederklemme von der ersten und der zweiten Kontaktzone 22, 23 beabstandet.The first contact zone 22 and the second contact zone 23 are arranged at opposite ends 201, 202 of the bus bar 2 or only slightly spaced from the two ends 201, 202 of the bus bar 2. Namely, the first contact zone 22 at the first end 201 and the second contact zone 23 at the second end 202 of the bus bar 2 is arranged. Since the busbar 21 is connected laterally to the clamping cage 2, it is freely designed at each of its opposite ends 201, 202. Between the first contact zone 22 and the second contact zone 23, a third contact zone 28 is also provided. The third contact zone 28 is spaced from the first and second contact zones 22, 23 in the extension direction 41 of the direct plug compression spring clip.

In allen gezeigten Ausführungsformen ist der Klemmkäfig 2 mit der Stromschiene 21 und mit dem Anschlag 24 einstückig gefertigt. Prinzipiell sind aber auch Ausführungsformen denkbar, in denen der Anschlag 24 und/oder die Stromschiene 21 getrennt vom Klemmkäfig 2 hergestellt und an diesem befestigt sind.In all embodiments shown, the clamping cage 2 is made in one piece with the busbar 21 and with the stop 24. In principle, however, are also embodiments conceivable in which the stop 24 and / or the busbar 21 are made separately from the clamping cage 2 and secured thereto.

Bei einstückiger Herstellung des Klemmkäfigs 2 wird dieser bevorzugt als Stanz- Biegeteil aus einem elektrisch gut leitenden Blech, vorzugsweise einem Kupfer- haltigen Blech, gefertigt Die mehrstückige Herstellung, bei der die Stromschiene 21 getrennt hergestellt ist, hat den Vorteil, dass nur die Stromschiene 21 aus verhältnismäßig teurem kupferhaltigem Blech hergestellt werden kann, während der übrige Klemmkäfig 2 aus einem im Verhältnis dazu kostengünstigeren, elektrisch schlechter leitenden Werkstoff herstellbar ist.In one-piece production of the clamping cage 2, this is preferably made as a stamped and bent part of a highly electrically conductive sheet, preferably a copper-containing sheet, the multi-piece production, in which the busbar 21 is made separately, has the advantage that only the busbar 21st can be made from relatively expensive copper-containing sheet metal, while the rest of the clamping cage 2 from a relatively cheaper, less electrically conductive material is produced.

Die folgenden Ausführungen beziehen sich auf die Fig. 1.The following remarks refer to the Fig. 1 ,

An ihrem ersten Ende 201 weist der Klemmkäfig 2 eine Einführfase 26 auf, sie sich sowohl entlang der Grundplatte 20 als auch entlang der Stromschiene 21 erstreckt. Die Einführfase 26 ist durch eine Schräge gebildet und soll verhindern, dass der elektrische Leiter 5 beim Einführen in die Direktsteck-Druckfederklemme 1 auf einer Oberkante 27 des Klemmkäfigs 2 aufstößt.At its first end 201, the clamping cage 2 has an insertion chamfer 26, which extends both along the base plate 20 and along the busbar 21. The Einführfase 26 is formed by a slope and is intended to prevent the electrical conductor 5 abuts when inserted into the direct plug compression spring clip 1 on an upper edge 27 of the clamping cage 2.

Die Erfindung ist aber nicht auf diese Ausführungsform begrenzt. Denn eine Einführfase ist beispielsweise auch mit einem Einführtrichter (nicht gezeigt) eines Klemmenträgers (nicht gezeigt) der Direktsteck-Druckfederklemme 1 realisierbar.However, the invention is not limited to this embodiment. For a Einführfase example, with an insertion funnel (not shown) of a terminal support (not shown) of the direct plug compression spring clip 1 can be realized.

Die erste Kontaktzone 22 ist durch eine linienförmige Kante eines sich in die Querrichtung 42 erstreckenden Steges gebildet. Der Steg ist durch eine Verformung der Stromschiene 21 gebildet. Im Querschnitt ist er etwa nasenförmig, so dass er an seiner in Leitereinführrichtung 40 Oberseite eine Einführflanke 221 aufweist, die den elektrischen Leiter 5 beim Einführen zur ersten Kontaktzone 22 führt. Ein in die Direktsteck-Druckfederklemme 1 eingeführtes elektrisches Leiterende 5 liegt bevorzugt an der Spitze der Nase an. Die Nase ist scharfkantig ausgebildet. Das heißt, dass sie einen kleinen Radius aufweist, um die Flächenpressung, also den Kontaktdruck des elektrischen Leiterendes 5 an die erste Kontaktzone 22, zu erhöhen. Die Unterseite der Nase dient als Federanschlag 222. Bei unmontiertem elektrischem Leiter 5 liegt der Klemmschenkel 32 der Klemmfeder 3 am Federanschlag 222 an. Diese Ausführungsform verhindert, dass sich das offene Ende 34 des Klemmschenkels 32 in die Stromschiene 21 eingräbt. Dadurch werden Beschädigungen der Klemmfeder 3 und der Stromschiene 21 vermieden und eine zu große Betätigungskraft verhindert.The first contact zone 22 is formed by a line-shaped edge of a web extending in the transverse direction 42. The web is formed by a deformation of the bus bar 21. In cross-section, it is approximately nose-shaped, so that it has an insertion flank 221 at its top in the conductor insertion direction 40, which leads the electrical conductor 5 during insertion to the first contact zone 22. An inserted into the direct plug compression spring terminal 1 electrical conductor end 5 is preferably at the tip of the nose. The nose is sharp-edged. This means that it has a small radius in order to increase the surface pressure, ie the contact pressure of the electrical conductor end 5 to the first contact zone 22. The underside of the nose serves as a spring stop 222. When unmounted electrical conductor 5 of the clamping leg 32 of the clamping spring 3 abuts against the spring stop 222. This embodiment prevents the open end 34 of the clamping leg 32 from digging into the busbar 21. As a result, damage to the clamping spring 3 and the busbar 21 are avoided and prevents excessive actuation force.

Als zweite Kontaktzone 23 weist die Stromschiene 21 eine Rampe 233 auf, die durch einen Knick 211 der Stromschiene 21 gebildet ist, und an der zudem ein etwa halbkreisförmig ausgebildeter Ausschnitt 231 vorgesehen ist. Ein in die Direktsteck-Druckfederklemme 1 eingeführter Litzenleiter 5 wird dadurch nicht nur entlang der Rampe 233 geführt, sondern in dem Ausschnitt 231 gebündelt. Auch die zweite Kontaktzone 23 weist eine scharfkantig ausgebildete, linienförmige Kante auf, mit einem kleinen Radius, um die Kontaktkraft zu erhöhen.As a second contact zone 23, the bus bar 21 has a ramp 233, which is formed by a bend 211 of the bus bar 21, and on which also an approximately semicircular trained cutout 231 is provided. As a result, a stranded conductor 5 introduced into the direct plug-in compression spring clip 1 is guided not only along the ramp 233, but bundled in the cutout 231. The second contact zone 23 has a sharp-edged, linear edge, with a small radius to increase the contact force.

Zwischen der ersten und der zweiten Kontaktzone 22, 23 ist die dritte Kontaktzone 28 vorgesehen, die in Erstreckungsrichtung 41 von der ersten und zweiten Kontaktzone 22, 23 beabstandet ist (s. Fig. 1(d)). Der Abstand 7 ist zwischen der ersten und zweiten Kontaktzone 22, 23 überall gleich vorgesehen, so dass das offene Ende 34 des Klemmschenkels 32 in diesem Bereich frei verschwenkt werden kann und dieser Bereich gleichzeitig die Freimachung 25 bildet.Between the first and the second contact zone 22, 23, the third contact zone 28 is provided, which is spaced in the extension direction 41 of the first and second contact zone 22, 23 (s. Fig. 1 (d) ). The distance 7 between the first and second contact zone 22, 23 provided the same everywhere, so that the open end 34 of the clamping leg 32 can be pivoted freely in this area and this area at the same time forms the franking 25.

Ein in die Direktsteck-Druckfederklemme 1 eingeführter, ausreichend starrer elektrischer Leiter 5 wird mit dem offenen Ende 34 des Klemmschenkels 32 gegen die erste und zweite Kontaktzone 22, 23 gedrückt und liegt im montierten Zustand mechanisch an diesen an. Das offene Ende 34 des Klemmschenkels 32 ist dabei sowohl in Leitereinführrichtung 40 als auch in Erstreckungsrichtung 41 von der ersten Kontaktzone 22 und der zweiten Kontaktzone 23 beabstandet. Diese drei mechanischen Anlagezonen sind daher in einem Dreieck zueinander angeordnet. Dadurch ist nicht nur der elektrische Kontakt sondern auch die mechanische Fixierung des starren elektrischen Leiterendes 5 in der Direktsteck-Druckfederklemme 1 gewährleistet.A sufficiently rigid electrical conductor 5 inserted into the direct plug-in compression spring clip 1 is pressed against the first and second contact zones 22, 23 with the open end 34 of the clamping leg 32 and mechanically rests against the first in the mounted state. The open end 34 of the clamping leg 32 is spaced both in the conductor insertion direction 40 and in the extension direction 41 of the first contact zone 22 and the second contact zone 23. These three mechanical contact zones are therefore arranged in a triangle to each other. As a result, not only the electrical contact but also the mechanical fixation of the rigid electrical conductor end 5 in the direct plug compression spring clamp 1 is ensured.

Ein in die Direktsteck-Druckfederklemme 1 eingeführter, biegsamer elektrischer Leiter 5 wird mit dem offenen Ende 34 des Klemmschenkels 32 gegen die dritte und zweite Kontaktzone 28, 23 gedrückt und liegt im montierten Zustand mechanisch an diesen an. Das offene Ende 34 des Klemmschenkels 32 ist dabei etwa auf Höhe der dritten Kontaktzone 28 angeordnet, aber in Erstreckungsrichtung 41 sowohl von der dritten Kontaktzone 28 als auch von der zweiten Kontaktzone 23 beabstandet. Daher sind auch hier die drei mechanischen Anlagezonen in einem Dreieck zueinander angeordnet. Dadurch ist auch bei einem biegsamen elektrischen Leiter 5 nicht nur der elektrische Kontakt sondern auch seine mechanische Fixierung in der Direktsteck-Druckfederklemme 1 gewährleistet.A flexible electrical conductor 5 inserted into the direct plug compression spring terminal 1 is pressed against the third and second contact zones 28, 23 with the open end 34 of the clamping leg 32 and mechanically rests against the third and second contact zones 28, 23 in the mounted state. The open end 34 of the clamping leg 32 is arranged approximately at the level of the third contact zone 28, but spaced in the extension direction 41 both from the third contact zone 28 and from the second contact zone 23. Therefore, here too, the three mechanical contact zones are arranged in a triangle to each other. As a result, not only the electrical contact but also its mechanical fixation in the direct plug compression spring terminal 1 is ensured even with a flexible electrical conductor 5.

Die folgenden Ausführungen beziehen sich auf die Fig. 2.The following remarks refer to the Fig. 2 ,

Bei der Ausführungsform der Direktsteck-Druckfederklemme 1 der Fig. 2 ist die erste Kontaktzone 22 durch einen zweiten Knick 212 der Stromschiene 21 gebildet, und nicht durch einen Steg. Am oberen Ende 201 der Stromschiene 21 erstreckt sich diese in einem Winkel zur Leitereinführrichtung 40. Dort verläuft die Stromschiene 21 daher rampenförmig und bildet die Einführflanke 221 beziehungsweise die Einführfase 26.In the embodiment of the direct plug compression spring clip 1 of Fig. 2 the first contact zone 22 is formed by a second bend 212 of the busbar 21, and not by a web. At the upper end 201 of the busbar 21, this extends at an angle to the conductor insertion direction 40. There, the busbar 21 is therefore ramped and forms the Einführflanke 221 and the Einführfase 26th

Im Übrigen treffen auch für diese Ausführungsform die Ausführungen zur Fig. 1 zu.Incidentally, also meet for this embodiment, the comments on Fig. 1 to.

Die folgenden Ausführungen beziehen sich auf die Fig. 3.The following remarks refer to the Fig. 3 ,

In der Ausführungsform der Direktsteck-Druckfederklemme 1 der Fig. 3 sind sowohl die erste Kontaktzone 22 als auch die zweite Kontaktzone 23 jeweils durch einen Knick 211, 212 der Stromschiene 21 gebildet. Insofern entspricht diese Ausführungsform der der Fig. 2.In the embodiment of the direct plug compression spring clip 1 of Fig. 3 Both the first contact zone 22 and the second contact zone 23 are each formed by a kink 211, 212 of the bus bar 21. In this respect, this embodiment corresponds to the Fig. 2 ,

Im Gegensatz zu den Ausführungsformen der Fig. 1 und 2 ist hier aber zwischen der ersten Kontaktzone 22 und der dritten Kontaktzone 28 eine separate Freimachung 25 für den Klemmschenkel 32 der Klemmfeder 3 vorgesehen. Diese Ausführungsform lässt daher einen längeren Klemmschenkel 32 zu.In contrast to the embodiments of the Fig. 1 and 2 but here is a separate clearance 25 for the clamping leg 32 of the clamping spring 3 is provided between the first contact zone 22 and the third contact zone 28. This embodiment therefore allows for a longer clamping leg 32.

Die Freimachung 25 ist durch eine Vertiefung in der Stromschiene 21 gebildet, und weist eine Anschlagkante auf, die als Federanschlag 222 für das offene Ende 34 des Klemmschenkels 32 dient.The franking 25 is formed by a recess in the busbar 21, and has a stop edge, which serves as a spring stop 222 for the open end 34 of the clamping leg 32.

Die folgenden Ausführungen beziehen sich auf die Fig. 4.The following remarks refer to the Fig. 4 ,

Die Stromschiene 21 der Ausführungsform der Direktsteck-Druckfederklemme 1 der Fig. 4 weist analog der Ausführungsform der Fig. 3 eine Vertiefung mit einer Anschlagkante als Freimachung 25 für den Klemmschenkel 32 der Klemmfeder 3 und Federanschlag 222 für das offene Ende 34 des Klemmschenkels 32 auf. Diese ist ebenfalls zwischen der ersten und dritten Kontaktzone 22, 28 angeordnet.The busbar 21 of the embodiment of the direct plug compression spring clip 1 of Fig. 4 has analogous to the embodiment of the Fig. 3 a recess with a stop edge as a clearing 25 for the clamping leg 32 of the clamping spring 3 and spring stop 222 for the open end 34 of the clamping leg 32. This is also arranged between the first and third contact zone 22, 28.

Die zweite Kontaktzone 23 ist durch einen hier nur sehr schwachen ausgebildeten Knick 211 in der Stromschiene 21 gebildet und weist sowohl die Rampe 233 als auch den Ausschnitt 231 aufThe second contact zone 23 is formed by a bend 211 which is formed only very weakly in the busbar 21 and has both the ramp 233 and the cutout 231

Die erste Kontaktzone 22 und die dritte Kontaktzone 28 sind in Bezug auf die Erstreckungsrichtung 41 der Direktsteck-Druckfederklemme hier etwa in derselben Ebene angeordnet. Dadurch ist die erste Kontaktzone 22 hier nicht linienförmig, sondern flächig ausgebildet.The first contact zone 22 and the third contact zone 28 are approximately in the same plane with respect to the extension direction 41 of the direct plug compression spring clip here arranged. As a result, the first contact zone 22 is not linear here, but flat.

Daher sind die erste und die zweite Kontaktzone 22, 23 bei dieser Ausführungsform der Direktsteck-Druckfederklemme nicht in Erstreckungsrichtung 41 von der dritten Kontaktzone 28 beabstandet. Dadurch liegen sowohl ein starrer als auch ein biegsamer in die Direktsteck-Druckfederklemme eingeführter elektrischer Leiter an allen drei Kontaktzonen 22, 23, 28 an.Therefore, the first and the second contact zone 22, 23 are not spaced in the extension direction 41 of the third contact zone 28 in this embodiment, the direct plug compression spring clip. As a result, both a rigid and a flexible electrical conductor inserted into the direct plug-in pressure spring clamp are present at all three contact zones 22, 23, 28.

Zur Ausbildung einer Einführflanke 221 und/oder Einführfase 26 ist die Stromschiene 21 an ihrem ersten Ende 201 geschrägt.In order to form an insertion flank 221 and / or insertion chamfer 26, the bus bar 21 is chamfered at its first end 201.

Die folgenden Ausführungen beziehen sich auf die Fig. 5.The following remarks refer to the Fig. 5 ,

Die Ausführungsform der Direktsteck-Druckfederklemme 1 der Fig. 5 weist im Gegensatz zu, der in Fig. 1 gezeigten Ausführungsform zwischen der ersten und dritten Kontaktzone 22, 28 die separate Freimachung 25 mit dem Federanschlag 222 auf. Die separate Freimachung 25 ist hier analog zu den in den Fig. 3 und 4 gezeigten Freimachungen 25 durch eine Vertiefung in der Stromschiene 21 gebildet.The embodiment of the direct plug compression spring clip 1 of Fig. 5 Unlike, in contrast to Fig. 1 In the embodiment shown between the first and third contact zone 22, 28, the separate franking 25 with the spring stop 222 on. The separate franking 25 is analogous to those in the Fig. 3 and 4 Free spaces 25 shown formed by a recess in the busbar 21.

Die gezeigten Ausführungsformen der Direktsteck-Druckfederklemme 1 eignen sich sowohl für Vollleiter als auch für mehradrige und feinadrige Litzenleiter, als auch für Aderendhülsen. Dabei sind elektrische Leiter 5 mit einem Leiterquerschnitt in einer Größenordnung von 0,3 mm2 - 20 mm2, insbesondere von 0,5 mm2 - 16 mm2 anschließbar. Durch die drei mechanischen Anlagezonen ist der in der Direktsteck-Druckfederklemme 1 montierte elektrische Leiter 5 sicher fixiert. Die Kontaktkraft der Klemmfeder 3 ist über die Biegestelle 33 im Klemmschenkel 32 und seine Länge so einstellbar, dass einerseits der elektrische Leiter 5 mit einer ausreichend kleinen Kraft in die Direktsteck-Druckfederklemme 1 einführbar ist, und andererseits sowohl der elektrische Kontakt als auch die mechanische Fixierung gewährleistet sind.The embodiments of the direct plug compression spring clip 1 shown are suitable both for full conductors and for multi-core and fine-stranded stranded conductors, as well as wire end ferrules. In this case, electrical conductors 5 with a conductor cross-section in the order of 0.3 mm 2 - 20 mm 2 , in particular from 0.5 mm 2 - 16 mm 2 can be connected. Due to the three mechanical contact zones, the electrical conductor 5 mounted in the direct plug compression spring clamp 1 is securely fixed. The contact force of the clamping spring 3 is on the bending point 33 in the clamping leg 32 and its length adjustable so that on the one hand, the electrical conductor 5 with a sufficiently small force in the direct plug compression spring clip 1 is inserted, and on the other hand, both the electrical contact and the mechanical fixation are guaranteed.

Die folgenden Ausführungen beziehen sich auf die Fig. 6.The following remarks refer to the Fig. 6 ,

Die Ausführungsform der Direktsteck- Druckfederklemme 1 der Fig. 6 unterscheidet sich von der Ausführungsform der Fig. 1 im Wesentlichen durch die Ausgestaltung der zweiten Kontaktzone 23.The embodiment of the direct plug compression spring clip 1 of Fig. 6 differs from the embodiment of the Fig. 1 essentially by the configuration of the second contact zone 23.

Analog zur Ausführungsform der Fig. 1 weist die Ausführungsform der Fig. 6 auch die Rampe 233 auf, die durch den Knick 211 der Stromschiene 21 gebildet ist. Anstelle eines halbkreisförmig ausgebildeten Ausschnitts 231 sind an der zweiten Kontaktzone 23 zwei dritte Knicke 235 vorgesehen. Die dritten Knicke 235 verlaufen schräg entlang der Rampe, so dass sie v- förmig zueinander angeordnet sind. Durch sie sind an der zweiten Kontaktzone 23 zwei Seitenflügel 234 ausgebildet. Ein in die Direktsteck-Druckfederklemme 1 eingeführter Litzenleiter 5 wird dadurch nicht nur entlang der Rampe 233 geführt, sondern durch die Seitenflügel 234 zudem zumindest teilweise umgriffen. Dadurch wird der Litzenleiter 5 gebündelt. Bezugszeichenliste 1 Direktsteck-Druckfederklemme 2 Klemmkäfig 20 Grundplatte 200 Aufnahmeraum 201 Erstes Ende der Stromschiene 202 Zweites Ende der Stromschiene 21 Stromschiene 211 Erster Knick 212 Zweiter Knick 22 Erste Kontaktzone 221 Einführflanke 222 Federanschlag für das offene Ende der Feder 23 Zweite Kontaktzone, Führungsmittel 231 Ausschnitt 233 Rampe 234 Seitenflügel 235 Dritter Knick 24 Anschlag für den Halteschenkel 25 Freimachung 26 Einführfase 27 Oberkante 28 Dritte Kontaktzone 3 Feder 30 Quersteg 301 Erster u- förmiger Bereich 302 Zweiter Bereich 31 Halteschenkel 32 Klemmschenkel 33 Biegestelle 34 Offenes Ende 35 Knick 40 Leitereinführrichtung 41 Erstreckungsrichtung der Klemme 42 Querrichtung 5 Elektrischer Leiter 51 Ader, Litze 52 Isolierung 6 Federachse 61 Schwenkrichtung 7 Abstand der Stromschiene vom eingeführten Leiter Analogous to the embodiment of the Fig. 1 shows the embodiment of the Fig. 6 also the ramp 233, which is formed by the kink 211 of the busbar 21. instead of a semicircular cutout 231, two third creases 235 are provided on the second contact zone 23. The third creases 235 run obliquely along the ramp, so that they are arranged in a V-shape relative to one another. Through them, two side wings 234 are formed on the second contact zone 23. A introduced into the direct plug compression spring terminal 1 stranded conductor 5 is thereby not only guided along the ramp 233, but also at least partially surrounded by the side wings 234. As a result, the stranded conductor 5 is bundled. <B> LIST OF REFERENCES </ b> 1 Direct plug-pressure spring clip 2 clamping cage 20 baseplate 200 accommodation space 201 First end of the busbar 202 Second end of the busbar 21 conductor rail 211 First kink 212 Second kink 22 First contact zone 221 stabbing 222 Spring stop for the open end of the spring 23 Second contact zone, guiding means 231 neckline 233 ramp 234 wing 235 Third kink 24 Stop for the holding leg 25 franking 26 chamfer 27 top edge 28 Third contact zone 3 feather 30 crosspiece 301 First u-shaped area 302 Second area 31 holding leg 32 clamping leg 33 bend 34 Open end 35 kink 40 Conductor insertion direction 41 Extension direction of the clamp 42 transversely 5 Electrical conductor 51 Wire, wire 52 insulation 6 spring axis 61 pan direction 7 Distance of the busbar from the inserted conductor

Claims (14)

  1. A direct plug-in compression spring terminal (1) for connecting a conductor end, in particular for connecting a stranded conductor end, which comprises the following:
    a. a clamping cage (2) having a busbar (21),
    b. a clamping spring (3) for contacting an electrical conductor end (5) inserted into the direct plug-in compression spring terminal (1),
    c. wherein a first contact zone (22) for electrically contacting the inserted electrical conductor end (5) is provided on the busbar (21),
    d. and wherein furthermore a second contact zone (23) for contacting the electrical conductor end (5) is provided on the busbar (21),
    e. wherein the second contact zone is arranged spaced apart from the first contact zone (22) and behind the first contact zone (22) in a conductor insertion direction (40) of the electrical conductor end (5),
    f. wherein furthermore the clamping spring (23) comprises a clamping leg (32) having an open end (34), wherein the open end (34) presses against the electrical conductor (5) between the first contact zone (22) and the second contact zone (23) when the electrical conductor (5) is inserted in the conductor insertion direction (40),
    characterized in that
    g. the second contact zone (23) is also designed for guiding and centering the electrical conductor end (5),
    h. for which purpose the second contact zone is formed by a cutout or a recess in the busbar, which cutout or which recess is provided in the form of a circle or part of a circle.
  2. The direct plug-in compression spring terminal (1) according to Claim 1, characterized in that the busbar (21) comprises a third contact zone (28), which is spaced apart from the first and second contact zones (22, 23) in an extension direction (41) of the direct plug-in compression spring terminal (1), between the first contact zone (22) and the second contact zone (23).
  3. The direct plug-in compression spring terminal (1) according to either one of the preceding claims, characterized in that either the first contact zone (22) and the second contact zone (23), or the third contact zone (28) and the second contact zone (23) are mechanical application zones for the inserted electrical conductor (5).
  4. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the clamping spring (3) comprises an open end (34), which forms a further mechanical application zone for the inserted electrical conductor (5).
  5. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the busbar (21) extends transversely in relation to a base plate (20) of the clamping cage (2) and in the conductor insertion direction (40).
  6. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the first contact zone (22) is formed by an edge and in a linear manner.
  7. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the second contact zone (23) is formed by a ramp (233) in the busbar (21).
  8. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the first contact zone (22) is arranged at a first end (201) of the busbar (2) and the second contact zone (23) is arranged at a second end (202) of the busbar (2) opposite to the first end (201).
  9. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that an exposed area (25) for the clamping spring (3) is provided between the first contact zone (22) and the second contact zone (23).
  10. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that a spring stop (222) for the clamping spring (3) is provided between the first contact zone (22) and the second contact zone (23).
  11. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that a stop (24) for a retaining leg (31) of the clamping spring (3) is provided on the base plate (20).
  12. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the clamping cage (2) and the busbar (21) are manufactured in one piece.
  13. The direct plug-in compression spring terminal (1) according to any one of the preceding claims, characterized in that the first and/or second contact zone (22, 23) are formed sharp-edged.
  14. An arrangement made of a direct plug-in compression spring terminal (1) according to any one of the preceding claims and an electrical conductor (5) inserted into the direct plug-in compression spring terminal (1), characterized in that the electrical conductor (5) is clamped between three mechanical application zones (22, 23, 34; 22, 28, 34).
EP14716860.3A 2013-04-23 2014-04-14 Direct plug-in compression spring terminal Active EP2989685B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013101751.5U DE202013101751U1 (en) 2013-04-23 2013-04-23 Direct plug-pressure spring clip
PCT/EP2014/057511 WO2014173717A1 (en) 2013-04-23 2014-04-14 Direct plug-in compression spring terminal

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EP2989685A1 EP2989685A1 (en) 2016-03-02
EP2989685B1 true EP2989685B1 (en) 2019-09-04

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EP (1) EP2989685B1 (en)
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DE (1) DE202013101751U1 (en)
WO (1) WO2014173717A1 (en)

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CN105144487A (en) 2015-12-09
WO2014173717A1 (en) 2014-10-30
DE202013101751U1 (en) 2014-07-24
EP2989685A1 (en) 2016-03-02

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