EP3142192B1 - Spring force connection - Google Patents

Spring force connection Download PDF

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Publication number
EP3142192B1
EP3142192B1 EP16185337.9A EP16185337A EP3142192B1 EP 3142192 B1 EP3142192 B1 EP 3142192B1 EP 16185337 A EP16185337 A EP 16185337A EP 3142192 B1 EP3142192 B1 EP 3142192B1
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EP
European Patent Office
Prior art keywords
receiving
spring
spring force
force connection
connection according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP16185337.9A
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German (de)
French (fr)
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EP3142192A1 (en
Inventor
Ralf Stollberger
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.)
Wieland Electric GmbH
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Wieland Electric GmbH
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Publication of EP3142192A1 publication Critical patent/EP3142192A1/en
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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
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the present invention relates to a spring force connection for electrical conductors.
  • spring connections have according to the prior art, a receiving cage, a spring-mounted on the receiving cage legs and a leg opposite the contact plate.
  • the leg is spring-loaded with respect to the contact plate and the conductor end to be connected is inserted between the leg and the contact plate.
  • the installation space for such a spring force connection must be dimensioned so that the leg on the one hand can travel a sufficient spring to spring in and rebound.
  • the spring leg must also have a certain inherent length, because otherwise in the region of the transition of the spring leg to the receiving cage so high forces occur that the leg breaks in the region of the transition to the receiving cage.
  • a spring-applied connection in which two separate spring-force connections are arranged in a square housing next to one another.
  • two bent into the housing at right angles protruding bends.
  • a further side wall of the housing adjacent to the respective bend and to the aforementioned side wall extending at right angles region of the side wall with the offsets and the recesses themselves form a U-shaped contact receiving space.
  • this U-shaped contact receiving space protrudes an angle-shaped leg spring as a clamping element from the open side of the U-shaped cross section into it.
  • this double connection requires a rectangular configuration of the housing with four side walls and is therefore not arbitrarily reduced in size.
  • the present invention seeks to design a spring force connection so that it requires only the smallest possible installation space.
  • the miniaturization of the spring force connection is realized according to the invention, on the one hand, that the entire receiving cage for the spring force connection made of resilient material, preferably made of a spring steel. In this way, not only the spring leg, but the entire spring cage during insertion of the conductor springs to the outside. Since a much larger spring element is provided by the receiving cage as only by a spring leg, much larger forces can be transmitted, so that the leg can be reduced compared to the prior art.
  • the spring force connection with the receiving cage made of resilient material is further combined with a arranged as a partition between the receiving cages contact plate.
  • leg in turn made of resilient material. Since both the spring leg and the receiving cage then give way during insertion of the conductor, the forces are distributed to a much larger resilient path.
  • the receiving cage is designed as a rectangular spring frame.
  • the one short side of the rectangle forms the fixed end, on which the receiving cage designed as a spring frame is resiliently mounted.
  • the other short side of the rectangle accordingly forms the free end.
  • the leg is mounted, which projects into the rectangular contour of the spring frame.
  • the effective as a partition wall contact plate is perpendicular between the receiving cages.
  • the receiving cages are facing each other with their legs, so that the free ends of the legs each protrude in the direction of a flat side of the contact plate and form a terminal point for the respective electrical conductor with this.
  • the receiving cages are mirror-inverted arranged facing each other at in-between the receiving cages contact plate.
  • the receiving cages configured as rectangular spring frames according to claims 3 and 4.
  • the receiving cages are connected to each other in an advantageous embodiment with their fixed ends. This connection is advantageously realized in that protrudes in the region of the fixed end of the one end of a long side of a tooth-shaped projection and is introduced into the end of the other long side in the region of the Festendes a projection complementary to the recess.
  • the mirror-inverted receiving cages can then simply be positively locked together.
  • the contact plate in turn can be connected directly to an electrical contact, in particular a contact pin or a female contact of an electrical connector.
  • a socket contact 1 shown with a double spring-cage connection.
  • the double connection in turn consists of two at an angle 180 ° to each other pivoted, identically designed receiving cages 2.
  • the receiving cages 2 are designed as a rectangular spring frame.
  • the bushing contact 1 facing short side of this rectangular cross-section forms the fixed end 3 of the receiving cage 2.
  • the fixed end 3 facing free end 4 carries the projecting into the interior of the rectangular contour spring leg 5.
  • the two the fixed end 3 and the free end 4 connecting long sides 6 of the receiving cage 2 bent by 90 ° from the short sides, ie the fixed end 3 and the free end 4. In this way, the moment of resistance given bending of the receiving cage 2 is significantly increased.
  • the contact plate 7 is arranged between the two receiving cages 2.
  • the contact plate 7 is inserted into a receiving slot 8 at the rear end of the socket contact 1 and connected in this manner to the socket contact 1 electrically conductive.
  • the contact plate 7 is acted upon on each of its flat sides by one of the spring legs 5.
  • the spring legs 5 carry at their the free end 4 of the receiving cage 2 facing away from free ends teeth 9 for additional fixation of the ladder, not shown in the drawing figures.
  • the ladder are clamped in the final assembled state between the ends of the spring leg 5 with the teeth 9 and the respective spring leg 5 facing flat side of the contact plate 7.
  • a tooth-shaped projection 10 also.
  • a recess 11 is inserted into the receiving cage 2.
  • the contour of the recess 11 and the projection 10 are complementary to each other, so that in the final assembled state, in each case a projection 10 of a receiving cage 2 can engage in the corresponding opposite recess 11 of the adjacent receiving cage 2, which in Fig. 1 and in Fig. 3 is clearly recognizable.
  • a circumferential retaining groove 12 is formed on the socket contact 1.
  • the holding forks 13 fix the receiving cages 2 respectively at the retaining groove 12 of the socket contact 1.
  • the projections 10 already described above engages in the associated recesses 11, these act like a functioning in the manner of a tongue and groove connection lock.
  • the receiving cages 2 are mounted so firmly and solidly on the socket contact 1.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die vorliegende Erfindung betrifft einen Federkraftanschluss für elektrische Leiter. Derartige Federkraftanschlüsse weisen nach dem Stand der Technik einen Aufnahmekäfig, einen am Aufnahmekäfig federnd gelagerten Schenkel und eine dem Schenkel gegenüberliegende Kontaktplatte auf. Zum Anschließen des abisolierten Leiterendes wird der Schenkel gegenüber der Kontaktplatte ausgefedert und das anzuschließende Leiterende zwischen den Schenkel und die Kontaktplatte eingebracht.The present invention relates to a spring force connection for electrical conductors. Such spring connections have according to the prior art, a receiving cage, a spring-mounted on the receiving cage legs and a leg opposite the contact plate. To connect the stripped conductor end, the leg is spring-loaded with respect to the contact plate and the conductor end to be connected is inserted between the leg and the contact plate.

Der Einbauraum für einen derartigen Federkraftanschluss muss so dimensioniert sein, dass der Schenkel einerseits einen ausreichenden Federweg zum ein- und ausfedern zurücklegen kann. Andererseits muss der Federschenkel auch eine gewisse Eigenlänge aufweisen, weil andernfalls im Bereich des Übergangs des Federschenkels zum Aufnahmekäfig so hohe Kräfte auftreten, dass der Schenkel im Bereich des Übergangs zum Aufnahmekäfig bricht.The installation space for such a spring force connection must be dimensioned so that the leg on the one hand can travel a sufficient spring to spring in and rebound. On the other hand, the spring leg must also have a certain inherent length, because otherwise in the region of the transition of the spring leg to the receiving cage so high forces occur that the leg breaks in the region of the transition to the receiving cage.

Aus der DE 101 52 520 A1 ist ein auf die hiesige Anmelderin zurückgehender Federkraftanschluss der eingangs geschilderten Art bekannt. Dieser Federkraftanschluss weist einen Basisschenkel und einen mit dem Basisschenkel federnd verbundenen Klemmschenkel auf sowie ein zwischen den Schenkeln angeordnetes Kontaktelement. Dieser an sich sehr gut funktionierende Klemmanschluss wird in Folge der voranschreitenden Miniaturisierung der Bauteile häufig als zu groß dimensioniert empfunden. Insbesondere ist dieser Federkraftanschluss nicht geeignet, mehrere Leiter nebeneinander anzuschließen.From the DE 101 52 520 A1 is known to the local applicant spring force connection of the type described above. This spring force connection has a base leg and a resiliently connected to the base leg clamping leg and a disposed between the legs contact element. This very well-functioning clamping connection is often perceived as being too large due to the progressing miniaturization of the components. In particular, this spring force connection is not suitable to connect several conductors side by side.

Aus der FR 2 936 659 A1 ist ferner ein Federkraftanschluss bekannt, bei welchem zwei separate Federkraftanschlüsse in einem quadratischen Gehäuse nebeneinander angeordnet sind. Dabei sind aus einer Seitenwand des Gehäuses zwei in das Gehäuse rechtwinklig hineinragende Abkröpfungen ausgebogen. Jeweils eine weitere Seitenwand des Gehäuses, der der jeweiligen Abkröpfung benachbarte und zur vorerwähnten Seitenwand rechtwinklig verlaufende Bereich der Seitenwand mit den Abkröpfungen und die Rücksprünge selbst bilden einen U-förmigen Kontaktaufnahmeraum. In diesen U-förmigen Kontaktaufnahmeraum ragt eine winkelförmige Schenkelfeder als Klemmelement von der offenen Seite des U-Querschnitts her hinein. Auch dieser Doppelanschluß setzt eine rechteckförmige Ausgestaltung des Gehäuses mit vier Seitenwänden voraus und ist deshalb auch nicht beliebig verkleinerbar.From the FR 2 936 659 A1 Furthermore, a spring-applied connection is known, in which two separate spring-force connections are arranged in a square housing next to one another. In this case, from a side wall of the housing two bent into the housing at right angles protruding bends. In each case a further side wall of the housing adjacent to the respective bend and to the aforementioned side wall extending at right angles region of the side wall with the offsets and the recesses themselves form a U-shaped contact receiving space. In this U-shaped contact receiving space protrudes an angle-shaped leg spring as a clamping element from the open side of the U-shaped cross section into it. Also, this double connection requires a rectangular configuration of the housing with four side walls and is therefore not arbitrarily reduced in size.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, einen Federkraftanschluss so zu gestalten, dass er nur einen möglichst kleinen Einbauraum benötigt.Based on this prior art, the present invention seeks to design a spring force connection so that it requires only the smallest possible installation space.

Diese Aufgabe ist durch die Merkmalskombination des Anspruchs 1 in erfinderischer Weise gelöst. Die rückbezogenen Ansprüche beinhalten teilweise vorteilhaft und teilweise für sich selbst erfinderische Weiterbildungen dieser Erfindungen.This object is achieved by the feature combination of claim 1 in an inventive manner. The dependent claims include in part advantageous and in part for themselves inventive developments of these inventions.

Die Miniaturisierung des Federkraftanschlusses ist gemäß der Erfindung zum einen dadurch realisiert, dass der gesamte Aufnahmekäfig für den Federkraftanschluss aus federndem Material, vorzugsweise aus einem Federstahl gefertigt ist. Auf diese Weise federt nicht nur der Federschenkel, sondern der gesamte Federkäfig beim Einführen des Leiters nach außen. Da durch den Aufnahmekäfig ein sehr viel größeres Federelement zur Verfügung gestellt wird als nur durch einen Federschenkel, können sehr viel größere Kräfte übertragen werden, so dass der Schenkel gegenüber dem Stand der Technik verkleinert werden kann.The miniaturization of the spring force connection is realized according to the invention, on the one hand, that the entire receiving cage for the spring force connection made of resilient material, preferably made of a spring steel. In this way, not only the spring leg, but the entire spring cage during insertion of the conductor springs to the outside. Since a much larger spring element is provided by the receiving cage as only by a spring leg, much larger forces can be transmitted, so that the leg can be reduced compared to the prior art.

Der Federkraftanschluss mit dem Aufnahmekäfig aus federndem Material ist weiterhin mit einer als Trennwand zwischen den Aufnahmekäfigen angeordneten Kontaktplatte kombiniert. Durch diese Kombination kann auf engstem Raum einer der vorerwähnten Doppelanschlüsse realisiert werden. Die simultane gute Kraftabtragung einerseits und die räumliche Trennung der Leiter andererseits ermöglicht hier die erstrebte Miniaturisierung des Federkraftanschlusses.The spring force connection with the receiving cage made of resilient material is further combined with a arranged as a partition between the receiving cages contact plate. By this combination, one of the aforementioned double connections can be realized in a confined space. The simultaneous good power removal on the one hand and the spatial separation of the conductors on the other hand allows the desired miniaturization of the spring-loaded connection.

In vorteilhafter Ausgestaltung ist es natürlich sinnvoll, auch den Schenkel seinerseits aus federndem Material zu fertigen. Da beim Einführen des Leiters dann sowohl der Federschenkel als auch der Aufnahmekäfig nachgeben, werden die auftretenden Kräfte auf eine sehr viel größere federnde Strecke verteilt.In an advantageous embodiment, it makes sense, of course, to make the leg in turn made of resilient material. Since both the spring leg and the receiving cage then give way during insertion of the conductor, the forces are distributed to a much larger resilient path.

In weiterer vorteilhafter Ausgestaltung ist der Aufnahmekäfig als rechteckförmiger Federrahmen ausgestaltet. Die eine Kurzseite des Rechtecks bildet dabei das Festende, an welchem der als Federrahmen ausgestaltete Aufnahmekäfig federnd gelagert ist. Die andere Kurzseite des Rechtecks bildet dementsprechend das Freiende. Am Freiende ist wiederum der Schenkel gelagert, welcher in die Rechteckkontur des Federrahmens hineinragt. Zur Verbesserung der Formstabilität sind die Langseiten des den Aufnahmekäfig bildenden Federrahmens rechtwinklig von den Kurzseiten abgebogen.In a further advantageous embodiment of the receiving cage is designed as a rectangular spring frame. The one short side of the rectangle forms the fixed end, on which the receiving cage designed as a spring frame is resiliently mounted. The other short side of the rectangle accordingly forms the free end. At the free end, in turn, the leg is mounted, which projects into the rectangular contour of the spring frame. To improve the dimensional stability of the long sides of the receiving cage forming spring frame are bent at right angles from the short sides.

Ein weiteres technisches Problem tritt bei sogenannten Doppelanschlüssen für elektrische Leiter auf. Bei derartigen Doppelanschlüssen werden zwei separate elektrische Leiter an ein gemeinsames elektrisches Potential angeschlossen. Sind diese Doppelanschlüsse als Federkraftanschlüsse ausgestaltet, werden in der Regel zwei nebeneinander liegende Schenkelfedern eingesetzt, welche an einer gemeinsamen Kontaktplatte widergelagert sind. Im Montagezustand liegen die beiden elektrischen Leiter von den beiden nebeneinander angeordneten Schenkelfedern geklemmt auf der Kontaktplatte auf. Problematisch hierbei ist die Tatsache, dass die beiden Federschenkel sich gegenseitig behindern können und sich im schlimmsten Fall miteinander verhaken. Außerdem können bei feingliedrigen Leitern Litzen abstehen und in den Bereich der benachbarten Schenkelfeder hineinragen.Another technical problem occurs in so-called double connections for electrical conductors. In such double connections, two separate electrical conductors are connected to a common electrical potential. If these double connections are designed as spring-force connections, two side-by-side torsion springs are usually used, which are mounted on a common contact plate. In the assembled state, the two electrical conductors are clamped by the two side-by-side leg springs on the contact plate. The problem here is the fact that the two spring legs can interfere with each other and get caught together in the worst case. In addition, strands can protrude with fine-line conductors and protrude into the region of the adjacent leg spring.

Zur Beseitigung dieses technischen Problems ist gemäß dem unabhängigen Anspruch 5 vorgesehen, der Kontaktplatte eine Doppelfunktion zuzuweisen. Bei dem Federkraftanschluss nach Anspruch 5 liegen zwei Aufnahmekäfige nebeneinander und die Kontaktplatte ist zwischen diesen Aufnahmekäfigen angeordnet und dient zugleich als Trennwand.To overcome this technical problem is provided according to the independent claim 5, assign the contact plate a double function. In the spring force connection according to claim 5, two receiving cages are adjacent to each other and the contact plate is disposed between these receiving cages and also serves as a partition.

In konsequenter Weiterentwicklung steht die als Trennwand wirksame Kontaktplatte senkrecht zwischen den Aufnahmekäfigen. Die Aufnahmekäfige sind dabei mit ihren Schenkeln einander zugewandt, so dass die Freienden der Schenkel jeweils in Richtung auf eine Flachseite der Kontaktplatte abragen und mit dieser eine Klemmstelle für den jeweiligen elektrischen Leiter bilden. Mit anderen Worten sind die Aufnahmekäfige spiegelverkehrt einander zugewandt angeordnet bei zwischen den Aufnahmekäfigen einliegender Kontaktplatte.In a consistent development, the effective as a partition wall contact plate is perpendicular between the receiving cages. The receiving cages are facing each other with their legs, so that the free ends of the legs each protrude in the direction of a flat side of the contact plate and form a terminal point for the respective electrical conductor with this. In other words, the receiving cages are mirror-inverted arranged facing each other at in-between the receiving cages contact plate.

In weiterer Ausgestaltung ist es vorteilhaft, wiederum die als rechteckförmige Federrahmen ausgestalteten Aufnahmekäfige gemäß den Ansprüchen 3 und 4 zu verwenden. Die Aufnahmekäfige sind in vorteilhafter Ausgestaltung mit ihren Festenden miteinander verbunden. Diese Verbindung ist vorteilhaft dadurch realisiert, dass im Bereich des Festendes aus dem einen Ende der einen Langseite ein zahnförmiger Vorsprung abragt und in das Ende der anderen Langseite im Bereich des Festendes eine zum Vorsprung komplementäre Aussparung eingebracht ist. Die spiegelverkehrt zueinander stehenden Aufnahmekäfige können dann einfach formschlüssig miteinander verrastet werden.In a further embodiment, it is advantageous, in turn, to use the receiving cages configured as rectangular spring frames according to claims 3 and 4. The receiving cages are connected to each other in an advantageous embodiment with their fixed ends. This connection is advantageously realized in that protrudes in the region of the fixed end of the one end of a long side of a tooth-shaped projection and is introduced into the end of the other long side in the region of the Festendes a projection complementary to the recess. The mirror-inverted receiving cages can then simply be positively locked together.

In weiterer Ausgestaltung kann die Kontaktplatte ihrerseits direkt mit einem elektrischen Kontakt, insbesondere einem Kontaktstift oder einer Kontaktbuchse eines elektrischen Steckverbinders verbunden sein.In a further embodiment, the contact plate in turn can be connected directly to an electrical contact, in particular a contact pin or a female contact of an electrical connector.

Anhand des in den Zeichnungsfiguren dargestellten Ausführungsbeispiels ist die Erfindung in weiteren Einzelheiten erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Doppelanschlusses gemäß der Erfindung,
Fig. 2
eine Explosionsdarstellung des Doppelanschlusses aus Fig. 1,
Fig. 3
eine Seitenansicht des Doppelanschlusses gemäß Fig. 1,
Fig. 4
eine Draufsicht auf den Doppelanschluss gemäß Fig. 1 und
Fig. 5
den Schnitt V - V aus Fig. 4
Reference to the embodiment shown in the drawing figures, the invention is explained in more detail. Show it:
Fig. 1
a perspective view of a double connection according to the invention,
Fig. 2
an exploded view of the double connection Fig. 1 .
Fig. 3
a side view of the double connection according to Fig. 1 .
Fig. 4
a plan view of the double connection according to Fig. 1 and
Fig. 5
the cut V - V off Fig. 4

In der Darstellung der Fig. 1 ist ein Buchsenkontakt 1 mit einem doppelten Federkraftanschluss dargestellt. Der Doppelanschluss besteht seinerseits aus zwei in einem Winkel 180° zueinander verschwenkten, identisch ausgestalteten Aufnahmekäfigen 2. Die Aufnahmekäfige 2 sind als rechteckförmige Federrahmen ausgestaltet. Die dem Buchsenkontakt 1 zugewandte Kurzseite dieses Rechteckquerschnitts bildet das Festende 3 des Aufnahmekäfigs 2. Das dem Festende 3 abgewandte Freiende 4 trägt den in den Innenraum der Rechteckkontur hineinragenden Federschenkel 5. Die beiden das Festende 3 und das Freiende 4 verbindenden Langseiten 6 des Aufnahmekäfigs 2 sind um 90° von den Kurzseiten, also dem Festende 3 und dem Freiende 4 abgebogen. Auf diese Weise wird das Widerstandsmoment gegeben Biegung des Aufnahmekäfigs 2 signifikant erhöht.In the presentation of the Fig. 1 is a socket contact 1 shown with a double spring-cage connection. The double connection in turn consists of two at an angle 180 ° to each other pivoted, identically designed receiving cages 2. The receiving cages 2 are designed as a rectangular spring frame. The bushing contact 1 facing short side of this rectangular cross-section forms the fixed end 3 of the receiving cage 2. The fixed end 3 facing free end 4 carries the projecting into the interior of the rectangular contour spring leg 5. The two the fixed end 3 and the free end 4 connecting long sides 6 of the receiving cage 2 bent by 90 ° from the short sides, ie the fixed end 3 and the free end 4. In this way, the moment of resistance given bending of the receiving cage 2 is significantly increased.

Zwischen den beiden Aufnahmekäfigen 2 ist die Kontaktplatte 7 angeordnet. Die Kontaktplatte 7 ist in einen Aufnahmeschlitz 8 am rückwärtigen Ende des Buchsenkontakts 1 eingeschoben und auf diese Weise mit dem Buchsenkontakt 1 elektrisch leitend verbunden.Between the two receiving cages 2, the contact plate 7 is arranged. The contact plate 7 is inserted into a receiving slot 8 at the rear end of the socket contact 1 and connected in this manner to the socket contact 1 electrically conductive.

Die Kontaktplatte 7 wird auf ihren Flachseiten jeweils von einem der Federschenkel 5 beaufschlagt. Die Federschenkel 5 tragen an ihren dem Freiende 4 des Aufnahmekäfigs 2 abgewandten freien Enden Verzahnungen 9 zur zusätzlichen Fixierung der in den Zeichnungsfiguren nicht dargestellten Leiter. Die Leiter sind im Montageendzustand zwischen den Enden der Federschenkel 5 mit den Verzahnungen 9 und der dem jeweiligen Federschenkel 5 zugewandten Flachseite der Kontaktplatte 7 eingeklemmt.The contact plate 7 is acted upon on each of its flat sides by one of the spring legs 5. The spring legs 5 carry at their the free end 4 of the receiving cage 2 facing away from free ends teeth 9 for additional fixation of the ladder, not shown in the drawing figures. The ladder are clamped in the final assembled state between the ends of the spring leg 5 with the teeth 9 and the respective spring leg 5 facing flat side of the contact plate 7.

Am Festende 3 steht aus der im Ausführungsbeispiel rechten Langseite 6 des Aufnahmekäfigs 2 ein zahnförmiger Vorsprung 10 hinaus. In das im Bereich des Festendes 3 liegende Ende der im Ausführungsbeispiel linken Langseite 6 ist in den Aufnahmekäfig 2 eine Aussparung 11 eingebracht. Die Kontur der Aussparung 11 und des Vorsprungs 10 sind zueinander komplementär, so dass im Montageendzustand jeweils ein Vorsprung 10 eines Aufnahmekäfigs 2 in die entsprechende gegenüberliegende Aussparung 11 des benachbarten Aufnahmekäfigs 2 eingreifen kann, was in Fig. 1 und in Fig. 3 gut erkennbar ist.At the end of the 3 stands from the right in the embodiment long side 6 of the receiving cage 2, a tooth-shaped projection 10 also. In the lying in the region of the Festendes 3 end of the left long side 6 in the embodiment, a recess 11 is inserted into the receiving cage 2. The contour of the recess 11 and the projection 10 are complementary to each other, so that in the final assembled state, in each case a projection 10 of a receiving cage 2 can engage in the corresponding opposite recess 11 of the adjacent receiving cage 2, which in Fig. 1 and in Fig. 3 is clearly recognizable.

Hinsichtlich der Schaffung zweier separater Klemmstellen ist aus der Darstellung der Fig. 3 und der Fig. 5 gut erkennbar, dass die Kontaktplatte 7 zugleich als Trennwand zwischen den beiden Aufnahmekäfigen 2 wirksam ist. Die in den Zeichnungen nicht dargestellten Leiter sind zwischen den Federschenkeln 5 und den ihnen zugewandten Flachseiten der als Trennwand wirksamen Kontaktplatte 7 im Montageendzustand eingeklemmt.With regard to the creation of two separate terminal points is from the representation of Fig. 3 and the Fig. 5 clearly visible that the contact plate 7 at the same time as a partition between the two receiving cages 2 is effective. The conductors not shown in the drawings are clamped between the spring legs 5 and the flat sides thereof facing the effective as a partition wall contact plate 7 in the final assembled state.

Zur Fixierung der Aufnahmekäfige 2 ist am Buchsenkontakt 1 eine umlaufende Haltenut 12 ausgebildet. In die Haltenut 12 greifen jeweils im Bereich des Festendes 3 der Aufnahmekäfige 2 ausgebildete Haltegabeln 13 ein. Die Haltegabeln 13 fixieren die Aufnahmekäfige 2 jeweils an der Haltenut 12 des Buchsenkontakts 1. Sobald die bereits oben beschriebenen Vorsprünge 10 in die zugeordneten Aussparungen 11 eingreift, wirken diese wie ein nach Art einer Nut-Feder-Verbindung funktionierendes Schloss. Im Bereich der Festenden 3 sind die Aufnahmekäfige 2 so fest und solide am Buchsenkontakt 1 gelagert.For fixing the receiving cages 2, a circumferential retaining groove 12 is formed on the socket contact 1. In the retaining groove 12 engage in each case in the region of the fixed end 3 of the receiving cages 2 formed holding forks 13 a. The holding forks 13 fix the receiving cages 2 respectively at the retaining groove 12 of the socket contact 1. As soon as the projections 10 already described above engages in the associated recesses 11, these act like a functioning in the manner of a tongue and groove connection lock. In the area of the fixed ends 3, the receiving cages 2 are mounted so firmly and solidly on the socket contact 1.

Zur Verbesserung der Befestigungseigenschaften, insbesondere der Federeigenschaften ist nicht nur der Federschenkel 5 aus federndem Material gefertigt sondern auch der Aufnahmekäfig 2. Dies führt zu dem durch die Spannungspfeile 15 angedeuteten theoretischen Spannungsverlauf. Auf diese Weise übt nicht nur der Federschenkel 5 sondern der gesamte Aufnahmekäfig 2 Federkräfte auf die nicht dargestellten Leiter aus, so dass der Federschenkel 5 sehr viel kleinere Abmessungen als bei herkömmlichen Federkraftanschlüssen aufweisen kann.To improve the fastening properties, in particular the spring properties, not only the spring leg 5 made of resilient material but also the receiving cage 2. This leads to the direction indicated by the voltage arrows 15 theoretical voltage waveform. In this way, not only the spring leg 5 but the entire receiving cage 2 exerts spring forces on the ladder, not shown, so that the spring leg 5 can have much smaller dimensions than in conventional spring force connections.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Buchsenkontaktfemale contact
22
Aufnahmekäfigrecording cage
33
Festendefixed end
44
Freiendefree end
55
Federschenkelspring leg
66
Langseitelong side
77
Kontaktplattecontact plate
88th
Aufnahmeschlitzreceiving slot
99
Verzahnunggearing
1010
Vorsprunghead Start
1111
Aussparungrecess
1212
Haltenutretaining groove
1313
Haltegabelholding fork
1414
 
1515
Spannungspfeilvoltage arrow

Claims (9)

  1. Spring force connection for electrical conductors, comprising two receiving cages (2) that are made of a resilient material and each comprise a limb projecting into the corresponding receiving cage (2) and comprising a contact plate (7) opposite each of the limbs, wherein the receiving cages (2) are arranged next to one another and the contact plate (7) is arranged between the receiving cages (2) and simultaneously acts as a separating wall.
  2. Spring force connection according to claim 1,
    characterized in that
    the limb is designed in each case as a spring limb (5).
  3. Spring force connection according to either claim 1 or claim 2,
    characterized by
    a rectangular spring frame as a receiving cage (2), one short side of which forms the fixed end (3) and the other short side of which forms the free end (4), the limb being mounted at the free end (4) and projecting into the spring frame.
  4. Spring force connection according to claim 3,
    characterized in that
    the long sides (6) are bent at right angles from the short sides.
  5. Spring force connection according to claim 1,
    characterized by
    a contact plate (7) that is perpendicular between the receiving cages (2), and two receiving cages (2) facing one another by means of the limbs thereof.
  6. Spring force connection according to either claim 1 or claim 5,
    characterized in that
    the receiving cages (2) are connected to one another at the fixed ends (3) thereof.
  7. Spring force connection according to claim 6,
    characterized by
    a tooth-shaped projection (10) that projects from the end of one long side (6) in the region of the fixed end (3) of the receiving cage (2) and by a recess (11) that is made in the end of the other long side (6) in the region of the fixed end (3) of the receiving cage (2) and is complementary to the projection (10).
  8. Spring force connection according to any of claims 1 to 7,
    characterized by
    an electrical contact adapted at the end of the contact plate (7) in the region of the fixed end (3) of the receiving cage (2).
  9. Spring force connection according to claim 8,
    characterized by
    a contact pin or a contact socket (1) as the electrical contact.
EP16185337.9A 2015-09-14 2016-08-23 Spring force connection Active EP3142192B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015115425.0A DE102015115425A1 (en) 2015-09-14 2015-09-14 Spring connection

Publications (2)

Publication Number Publication Date
EP3142192A1 EP3142192A1 (en) 2017-03-15
EP3142192B1 true EP3142192B1 (en) 2018-10-31

Family

ID=56883545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16185337.9A Active EP3142192B1 (en) 2015-09-14 2016-08-23 Spring force connection

Country Status (2)

Country Link
EP (1) EP3142192B1 (en)
DE (1) DE102015115425A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017112542A1 (en) * 2017-06-07 2018-12-13 Wilhelm Koch Gmbh recessed light
DE102020003770B4 (en) * 2020-06-19 2023-06-29 Sbs Massenbachhausen Verwaltungs Gmbh Electric contact

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701000A (en) * 1985-05-03 1987-10-20 Nortek Corporation Electrical terminal and method of assembly
DE10152520A1 (en) * 2001-10-24 2003-05-08 Wieland Electric Gmbh Electrical plug-in connector has clamp body protruding from clamp leg towards base leg for clamp contacting conductor between base and clamp legs when closing clamp connector
DE202004000418U1 (en) * 2004-01-14 2005-06-02 Bals Elektrotechnik Gmbh & Co. Kg Screwless frame clamp
DE102008027801A1 (en) * 2008-06-11 2009-12-24 Amphenol-Tuchel Electronics Gmbh Electrical connection element
DE102008032837A1 (en) * 2008-07-14 2010-01-21 Phoenix Contact Gmbh & Co. Kg Electrical connection device
FR2936659B1 (en) * 2008-09-29 2010-11-12 Legrand France ELECTRICAL PIN INCORPORATING THE CAGE OF AN AUTOMATIC ELECTRICAL CONNECTION TERMINAL
DE202010016894U1 (en) * 2010-12-21 2012-03-22 Weidmüller Interface GmbH & Co. KG Connecting device with movable actuating means

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102015115425A1 (en) 2017-03-16
EP3142192A1 (en) 2017-03-15

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