EP3539183A1 - Contact element comprising a clamping terminal for a stranded conductor - Google Patents

Contact element comprising a clamping terminal for a stranded conductor

Info

Publication number
EP3539183A1
EP3539183A1 EP17803827.9A EP17803827A EP3539183A1 EP 3539183 A1 EP3539183 A1 EP 3539183A1 EP 17803827 A EP17803827 A EP 17803827A EP 3539183 A1 EP3539183 A1 EP 3539183A1
Authority
EP
European Patent Office
Prior art keywords
clamping
contact element
electrical contact
klemmfederarm
contacting
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.)
Granted
Application number
EP17803827.9A
Other languages
German (de)
French (fr)
Other versions
EP3539183B1 (en
Inventor
Pascal Wölffle
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.)
Amphenol Tuchel Electronics GmbH
Original Assignee
Amphenol Tuchel Electronics GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amphenol Tuchel Electronics GmbH filed Critical Amphenol Tuchel Electronics GmbH
Publication of EP3539183A1 publication Critical patent/EP3539183A1/en
Application granted granted Critical
Publication of EP3539183B1 publication Critical patent/EP3539183B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to an electrical contact element according to claim 1.
  • the invention therefore particularly relates to an electrical contact element with a connection for stranded conductor, wherein the contact element is a specifically shaped and actu bare
  • Connections with stranded cables both mechanically fixed and electrically reliable to connect to the contact element, and it must also be ensured that high tensile forces, mechanical influences and vibrations must not cause unwanted separation of the connection.
  • stranded conductors are connected to contact elements with crimped connections or, alternatively, stranded conductors can be connected to contact elements, in which a conical contact part in a contact element is connectable
  • DE 197 18 004 C1 discloses a contact system consisting of a socket part and a plug part with spring-elastic contact blades for transmitting high currents.
  • FR 618 171 A devices which are suitable for clamping - electrical conductors for electrical equipment, in which in particular sheathed electrical conductors are clamped in insulating devices for mounting.
  • DE 102 20 108 B4 discloses a contact element for connecting a stranded conductor, the contact element being formed from a clamping sleeve and a mandrel-like contact part which is screwed in the clamping sleeve, the contact part having a conical tip at an angle ⁇ to the perpendicular and on the clamping sleeve a funnel-shaped connection end is considered, in which the stranded conductor in an inner
  • a conical surface is formed with an angle ß to the vertical and the contact part but only as far into the connection chamber and the inserted therein stranded conductor can be screwed that a minimum overlap remains between the tip of the contact part and the conical surface of the shoulder.
  • This technical teaching discloses a contact element in which the stranded conductor end is, however, pressed by the clamping sleeve against a side wall and there is a risk that the ends of the stranded conductors are damaged during pressing or even severed.
  • the invention is therefore based on the object, a safe and easy to produce
  • Vibration influences is maintained and a high pull-out safety is ensured in the contact element.
  • a basic idea of the invention is to provide a contact element with a resilient clamping element, wherein the clamping element is a contact element
  • Screw terminal block suitable contour are fixed and a screwless, namely clamping contact of a stranded conductor can be made with a contact surface of the terminal block.
  • An aspect of the invention therefore relates to a resilient clamping element with a clamping spring arm for the clamping contacting of a stranded conductor end between the clamping surface of a Weg istsabitess a terminal block of a contact element and the
  • clamping spring arm wherein the clamping element has at least one support arm with an end-side wrap-around portion to secure the resilient clamping element to the terminal block of the contact element.
  • a further aspect of the present invention relates to an electrical contact element for the clamping connection or contacting of a stranded conductor, consisting of a
  • Klemmfederarm is formed, wherein the Klemmfederarm when inserting a
  • Stranded conductor is actuated by a Litzenleiterein meltposition in a Litzenleiterklemmposition springs.
  • the clamping element is fastened to the contact element by means of at least one holding arm which at least partially surrounds the contacting section of the contact pin.
  • the at least one holding arm is formed on the clamping element with an end-side bent Umgriffabrough;
  • the shape of the Umgriffabitess represents a partial arc-shaped bend of the
  • Klemmfederarms is, preferably with a pitch circle segment between 90 ° and 180 °, more preferably between 100 ° and 135 °; the Au ndkontur the contact pin in the attachment region of the contacting portion is formed zyiindermantelförmig or teilzylindermantelelförmig; the Klemmfederarm has a non-resilient retaining portion and a resilient clamping arm portion of the Klemmfederarms protrudes in the direction of the contact pin; the one or more retaining arms are substantially strip-shaped and end-side
  • bent sheet metal tongues formed, which with its one holding arm end
  • the Umgriffabites is formed in an L or C-shape, so that this can embrace, for example, box-shaped contact elements; - It can be provided with an inner clamping surface, a contact chamber (with a receiving space for the stranded conductor), in which case the Klemmfederarm protrudes through an opening of the contact chamber into the contact chamber.
  • FIG. 1 a to 1 d show a first embodiment of a contact element according to the invention with an embodiment of a clamping element
  • FIG. 3a to 3d a third embodiment of a contact element according to the invention with an embodiment of a clamping element; 4a to 4d, a fourth embodiment of a contact element according to the invention with an embodiment of a clamping element; 5 shows an alternative embodiment of a contact element according to the invention in a sectional view; FIG. 6 shows the contact element according to FIG. 5 in a perspective view; FIG.
  • FIG. 7 shows an embodiment of a clamping element according to the invention
  • Fig. 8 shows an alternative embodiment of an inventive
  • FIG. 9 the contact element according to FIG. 8 in a perspective view
  • FIG. 10 shows an embodiment of a clamping element according to the invention.
  • FIGS. 1 a, 1 b, 2 a, 2 b, 3 a, 3 b and 4 a, 4 b embodiments of a contact element 1 according to the invention are shown, and in FIGS. 1 c, 1 d, 2 c, 2 d, 3 c, 3d and 4 c, 4 d each clamping elements 5 of the aforementioned embodiments of
  • the electrical contact element 1 is formed from an elongated cylindrical contact pin 2, to which a solid contacting section 4 connects, as shown in the
  • the contacting portion 4 is formed as a terminal block 9, wherein the
  • FIGS. 1c, 1d, 2c, 2d, 3c, 3d, 4c, 4d show four embodiments of clamping elements 5.
  • the clamping elements 5 are designed such that they have a Klemmfederarm 6 and indeed for clamping contacting a stranded conductor between the
  • the Klemmfederarm 6 is in this case
  • Klemmfederarm 6 of the clamping element 5 is actuated in the direction of the holding portion 60, the stranded conductor against the clamping surface 40 is spring-loaded by the
  • Clamping element 5 next to the Klemmfederarm 6 further comprises at least one support arm 50, with an end formed Umgriffabêt 51, so that the resilient clamping element 5 can be fixed with these retaining arms 50 and that with the Umgriffabites 51 to the terminal block 9 of the contact element 1 with positive engagement.
  • the wraparound section 51 abuts the correspondingly corresponding outer contour of the contacting section 4 on the connection block 9 of the contact element 1.
  • the clamping element 5 has in each case two retaining arms 50 with a wrap-around section 51 bent over at the ends, wherein in FIGS. 2 the wrapping takes place from the same side, while in the embodiment according to FIG two holding arms 50 the contacting portion 4 of the contact element 1 with their
  • FIGS. 5 to 7 show a further alternative embodiment of an electrical contact element 1 according to the invention, with clamping element 5 formed alternatively in accordance with the invention.
  • the clamping element 5 like the above-described clamping elements 5, likewise has a holding arm 50, which is angled over a bending point 53 is connected to the Klemmfederarm 6.
  • the wrap-around portion 51 in this embodiment has a C-shape.
  • the electrical contact element 1 is formed so that the contacting section 4 forms a contact chamber 43 with an inner clamping surface 40 and the Klemmfederarm 6 of the clamping element 5 projects through an opening 44 of the contact chamber 43 into the contact chamber 43.
  • the stranded conductor would be actuated through the upper opening 44 of the contact chamber 43 into the contact chamber 43 and press the Klemmfederarm 6 from its shown in Figure 5 Litzenleiterein Concreteposition in a conductor clamping position, wherein the stranded conductor between the Klemmfederarm 6 and the opposite clamping surface 40 in the
  • FIGS. 8 to 10 show a further alternative embodiment of an electrical contact element 1 according to the invention, with clamping element 5 alternatively designed according to the invention.
  • the clamping element 5 has three holding arms 50, 54 which are angled over a bending point 53 with the clamping spring arm 6 are connected. However, two Umgriffabête 51 in this embodiment, an L-shaped form.
  • the third, end-side holding arm 54, together with a hook 46 formed on the contacting section 4, affixes the resilient clamping element 5 in a form-fitting manner according to FIG. 9 in that the resilient clamping element 5 forms a spring arm cutout 62 on the
  • the electrical contact element 1 is formed so that the contacting portion 4 forms a contact chamber 43 with an inner clamping surface 40 and the Klemmfederarm 6 of the
  • Clamping element 5 protrudes through an opening 44 of the contact chamber 43 into the contact chamber 43.
  • the stranded conductor would be actuated through the opening 44 of the contact chamber 43 into the contact chamber 43 and pushes the Klemmfederarm 6 from its Litzenleiterein Concreteposition shown in Figure 8 in a conductor clamping position in which the stranded conductor between the Klemmfederarm 6 and the opposite clamping surface 40 in the Contact chamber 43 is contacted by clamping.
  • a section 4a of the contacting section 4 is clamped between the re-hook 46 and an end-side holding arm 54 formed by the clamping element 5.
  • the electrical contact elements 1 in the mounting region of the Kunststoff Industriessabitess 4 a cylinder jacket-shaped shape, so that the Umgriffabroughe 51 rest with positive engagement on the contacting section 4.
  • the clamping element 5 is attached according to Figure 7 to the electrical contact element 1 according to Figure 6, in which the Umgriffabites 51 engages around the outer contour of the here substantially box-shaped contacting section 4.
  • the invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants and embodiments are conceivable, which makes use of the illustrated solution and the illustrated method even with fundamentally different type of execution.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

The invention relates to an electrical contact element having a contact pin and a resilient clamping element which is fastened to the contact element and has a clamping spring arm for making clamping contact with a stranded conductor end between the clamping face of a contacting section of a terminal block of a contact element and the clamping spring arm. The clamping element has at least one retaining arm having an end gripping section to fasten the resilient clamping element interlockingly to the terminal block of the contact element. The electrical contact element is characterised in that the outer contour of the contact pin is cylindrical with a round or polygonal cross-section in the fastening region of the contacting section.

Description

Beschreibung  description
Kontaktelement mit einem klemmenden Contact element with a clamping
Anschluss für Litzenleiter  Connection for stranded wire
Die Erfindung betrifft ein elektrisches Kontaktelement gemäß Anspruch 1. The invention relates to an electrical contact element according to claim 1.
Die Erfindung betrifft daher insbesondere ein elektrisches Kontaktelement mit einem Anschluss für Litzenleiter, wobei das Kontaktelement eine spezifisch geformte und betätig bare The invention therefore particularly relates to an electrical contact element with a connection for stranded conductor, wherein the contact element is a specifically shaped and actu bare
Kontaktfeder aufweist, die in eine den Litzenleiter klemmende Position überführbar ist und in der Klemmposition das vorzugsweise abisolierte Ende eines Litzenleiters klemmend kontaktiert. Contact spring which can be transferred into a position clamping the stranded conductor and in the clamping position, the preferably stripped end of a stranded conductor contacted by clamping.
Solche Kontaktelemente sind vorgesehen, um insbesondere im Feld konfektionierbare Such contact elements are provided to be assembled in particular in the field
Verbindungen mit Litzenleiterkabeln sowohl mechanisch fest als auch elektrisch zuverlässig mit dem Kontaktelement zu verbinden, wobei auch gewährleistet sein muss, dass hohe Zugkräfte, mechanische Einflüsse und Vibrationen keine ungewollte Trennung der Verbindung hervorrufen dürfen. Connections with stranded cables both mechanically fixed and electrically reliable to connect to the contact element, and it must also be ensured that high tensile forces, mechanical influences and vibrations must not cause unwanted separation of the connection.
So ist es im Stand der Technik zum Beispiel bekannt, dass Litzenleiter mit Crimpverbindungen an Kontaktelementen angebunden werden oder alternativ Litzenleiter mit Kontaktelementen verbindbar sind, bei denen ein kegelförmiges Kontaktteil in einem Kontaktelement die For example, in the prior art it is known that stranded conductors are connected to contact elements with crimped connections or, alternatively, stranded conductors can be connected to contact elements, in which a conical contact part in a contact element is connectable
Litzenleiter mittels axial oder radial wirkender Kräfte auf eine entsprechende geformte Stranded conductor by means of axially or radially acting forces on a corresponding shaped
Gegenfläche pressen, wobei die Winkel der Kegelflächen in der Regel gleich sind. Im Stand der Technik ist beispielsweise ein solches zum Anschluss von Litzenleiter Press counter surface, the angles of the conical surfaces are usually the same. In the prior art, for example, one for connecting stranded conductor
beschriebenes Kontaktelement in der DE 89 14 460 U1 offenbart. described contact element disclosed in DE 89 14 460 U1.
Des Weiteren ist in der DE 197 18 004 C1 ein Kontaktsystem bestehend aus einem Buchsenteil und einem Steckerteil mit federelastischen Kontaktlamellen offenbart, zur Übertragung von hohen Strömen. Furthermore, DE 197 18 004 C1 discloses a contact system consisting of a socket part and a plug part with spring-elastic contact blades for transmitting high currents.
In der FR 618 171 A sind Vorrichtungen offenbart, die geeignet sind zum Klemmen von - elektrischen Leitern für elektrische Geräte, bei denen insbesondere ummantelte elektrische Leiter in isolierende Vorrichtungen zur Montage verklemmt werden. Ferner ist in der DE 102 20 108 B4 ein Kontaktelement zum Anschluss eines Litzenleiters offenbart, wobei das Kontaktelement aus einer Klemmhülse und einer in der Klemmhülse schraubbar gehaltenen, dornartigen Kontaktteil gebildet ist, wobei das Kontaktteil eine kegelförmige Spitze mit einem Winkel α zur Senkrechten aufweist und an der Klemmhülse ein trichterförmiges Anschlussende angesehen ist, in das der Litzenleiter in eine innere In FR 618 171 A devices are disclosed which are suitable for clamping - electrical conductors for electrical equipment, in which in particular sheathed electrical conductors are clamped in insulating devices for mounting. Furthermore, DE 102 20 108 B4 discloses a contact element for connecting a stranded conductor, the contact element being formed from a clamping sleeve and a mandrel-like contact part which is screwed in the clamping sleeve, the contact part having a conical tip at an angle α to the perpendicular and on the clamping sleeve a funnel-shaped connection end is considered, in which the stranded conductor in an inner
Anschlusskammer einführbar ist und wobei ferner eine Kegelfläche mit einem Winkel ß zur Senkrechten ausgebildet ist und das Kontaktteil jedoch nur soweit in die Anschlusskammer und den darin eingeführten Litzenleiter einschraubbar ist, dass zwischen der Spitze des Kontaktteils und der Kegelfläche der Schulter eine Mindestüberlappung verbleibt. Further, a conical surface is formed with an angle ß to the vertical and the contact part but only as far into the connection chamber and the inserted therein stranded conductor can be screwed that a minimum overlap remains between the tip of the contact part and the conical surface of the shoulder.
Diese technische Lehre offenbart ein Kontaktelement, bei dem das Litzenleiterende allerdings von der Klemmhülse gegen eine Seitenwand verpresst wird und die Gefahr besteht, dass die Enden der Litzenleiter beim Verpressen beschädigt werden oder gar durchtrennt werden. This technical teaching discloses a contact element in which the stranded conductor end is, however, pressed by the clamping sleeve against a side wall and there is a risk that the ends of the stranded conductors are damaged during pressing or even severed.
Insbesondere beim Verschrauben der Klemmhülse entstehen hohe Kräfte, die die Litzenleiter teilweise oder vollständig abscheren können, was im ungünstigen Fall allerdings unentdeckt bleibt. In particular, when screwing the clamping sleeve arise high forces that can shear off the stranded conductors partially or completely, but this remains undetected in the worst case.
Aufgabe der vorliegenden Erfindung Object of the present invention
Der Erfindung liegt daher die Aufgabe zu Grunde, eine sichere und einfach herstellbare The invention is therefore based on the object, a safe and easy to produce
Verbindung zwischen einem Kontaktelement der Eingangs genannten Art und einem Litzenleiter dahingehend auszubilden, dass vorbesagte Nachteile überwunden werden und der Litzenleiter neben einer optimalen elektrischen Kontaktanbindung, insbesondere sicher bei Form connection between a contact element of the type mentioned and a stranded conductor to the effect that said disadvantages are overcome and the stranded conductor in addition to an optimal electrical contact connection, especially safe at
Vibrationseinflüssen gehalten wird und eine hohe Auszugssicherheit im Kontaktelement gewährleistet wird. Vibration influences is maintained and a high pull-out safety is ensured in the contact element.
Diese Aufgabe wird gelöst durch ein elektrisches Kontaktelement mit einem Federteil mit den Merkmalen von Anspruch 1. This object is achieved by an electrical contact element with a spring part having the features of claim 1.
Ein Grundgedanke der Erfindung besteht darin, ein Kontaktelement mit einem federnden Klemmelement auszustatten, wobei das Klemmelement einen das Kontaktelement A basic idea of the invention is to provide a contact element with a resilient clamping element, wherein the clamping element is a contact element
umgreifenden Befestigungsarm sowie einen Klemmfederarm zur Kontaktierung eines encompassing mounting arm and a Klemmfederarm for contacting a
Litzenleiters aufweist. Auf diese Weise kann das Klemmelement z. B. an einem Kontakt mit einem Litz conductor has. In this way, the clamping element z. B. at a contact with a
Schraubanschlussblock geeigneter Kontur befestigt werden und ein schraubenloser, nämlich klemmender Kontakt eines Litzenleiters mit einer Kontaktierungsfläche des Anschlussblocks hergestellt werden. Screw terminal block suitable contour are fixed and a screwless, namely clamping contact of a stranded conductor can be made with a contact surface of the terminal block.
Ein Aspekt der Erfindung betrifft daher ein federndes Klemmelement mit einen Klemmfederarm zur klemmenden Kontaktierung eines Litzenleiterendes zwischen der Klemmfläche eines Kontaktierungsabschnitts eines Anschlussblocks eines Kontaktelements und dem An aspect of the invention therefore relates to a resilient clamping element with a clamping spring arm for the clamping contacting of a stranded conductor end between the clamping surface of a Kontaktierungsabschnitts a terminal block of a contact element and the
Klemmfederarm, wobei das Klemmelement wenigstens einen Haltearm mit einem endseitigen Umgriff abschnitt aufweist, um das federnde Klemmelement an dem Anschlussblock des Kontaktelements zu befestigen. Clamping spring arm, wherein the clamping element has at least one support arm with an end-side wrap-around portion to secure the resilient clamping element to the terminal block of the contact element.
Ein weiterer Aspekt der vorliegenden Erfindung betrifft ein elektrisches Kontaktelement zum klemmenden Anschließen bzw. Kontaktieren eines Litzenleiters, bestehend aus einem A further aspect of the present invention relates to an electrical contact element for the clamping connection or contacting of a stranded conductor, consisting of a
Kontaktstift und einem damit verbundenen Kontaktierungsabschnitt, der eine außen liegende Kiemmfläche aufweist und an dessen Außenmantel ein federndes Klemmelement befestigt ist, welches mit einem Klemmfederarm, ausgebildet zur klemmenden Kontaktierung eines  Contact pin and an associated contacting section, which has an outer Kiemmfläche and on the outer shell, a resilient clamping element is attached, which with a Klemmfederarm, designed for clamping contacting a
Litzenleiterendes zwischen der Klemmfläche des Kontaktierungsabschnitts und dem Litzenleiterendes between the clamping surface of the Kontaktierungsabschnitts and the
Klemmfederarm, ausgebildet ist, wobei der Klemmfederarm beim Einschieben eines Klemmfederarm, is formed, wherein the Klemmfederarm when inserting a
Litzenleiters von einer Litzenleitereinführposition in eine Litzenleiterklemmposition federn betätigt wird.  Stranded conductor is actuated by a Litzenleitereinführposition in a Litzenleiterklemmposition springs.
In einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass das Klemmelement mittels wenigstens einem, den Kontaktierungsabschnitt des Kontaktstiftes zumindest teilweise außen umgreifenden Haltearm am Kontaktelement befestigt ist. In a preferred embodiment of the invention, it is provided that the clamping element is fastened to the contact element by means of at least one holding arm which at least partially surrounds the contacting section of the contact pin.
Weitere vorteilhafte Ausgestaltungen und Merkmale sind wie folgt, die sowohl einzeln als auch in Kombination verwendet werden können: der wenigstens eine Haltearm ist am Klemmelement mit einem endseitigen umgebogenen Umgriffabschnitt ausgebildet; die Form des Umgriffabschnitts stellt eine teilkreisbogenförmige Umbiegung des Further advantageous embodiments and features are as follows, which can be used both individually and in combination: the at least one holding arm is formed on the clamping element with an end-side bent Umgriffabschnitt; the shape of the Umgriffabschnitts represents a partial arc-shaped bend of the
Klemmfederarms dar, vorzugsweise mit einem Teilkreissegment zwischen 90° und 180°, weiter vorzugsweise zwischen 100° und 135°; die Au ßenkontur des Kontaktstiftes im Befestigungsbereich des Kontaktierungsabschnitt ist zyiindermantelförmig oder teilzylindermantelförmig ausgebildet; der Klemmfederarm weist einen nicht federnden Halteabschnitt auf und ein federnder Klemmarm abschnitt des Klemmfederarms ragt in Richtung des Kontaktstifts; der oder die Haltearme sind als im Wesentlichen streifenförmige und endseitig Klemmfederarms is, preferably with a pitch circle segment between 90 ° and 180 °, more preferably between 100 ° and 135 °; the Au ßenkontur the contact pin in the attachment region of the contacting portion is formed zyiindermantelförmig or teilzylindermantelelförmig; the Klemmfederarm has a non-resilient retaining portion and a resilient clamping arm portion of the Klemmfederarms protrudes in the direction of the contact pin; the one or more retaining arms are substantially strip-shaped and end-side
umgebogene Blechzungen ausgebildet, welche mit ihrem einen Haltearmende  bent sheet metal tongues formed, which with its one holding arm end
abgewinkelt über eine Biegestelle mit dem Klemmfederarm verbunden sind; zwei Haltearme umgreifen den Kontaktieru ngsabsch n itt des Kontaktstiftes mit einem Umgriffabschnitt von gleichen Seiten oder alternativ von unterschiedlichen, vorzugsweise gegenüberliegenden Seiten, wodurch eine besonders gute Umklammerung erzielt werden kann; der Umgriffabschnitt ist in einer L- oder C-Form ausgebildet, so dass dieser beispielsweise auch kastenförmige Kontaktelemente umgreifen kann; - es kann eine Kontaktkammer (mit einem Aufnahmeraum für den Litzenleiter) mit einer innen liegenden Klemmfläche vorgesehen werden, wobei dann der Klemmfederarm durch eine Öffnung der Kontaktkammer in die Kontaktkammer hineinragt.  angled are connected via a bending point with the clamping spring arm; two retaining arms engage around the contacting pin of the contact pin with a wrap-around portion of like sides or alternatively of different, preferably opposite sides, whereby a particularly good grip can be achieved; the Umgriffabschnitt is formed in an L or C-shape, so that this can embrace, for example, box-shaped contact elements; - It can be provided with an inner clamping surface, a contact chamber (with a receiving space for the stranded conductor), in which case the Klemmfederarm protrudes through an opening of the contact chamber into the contact chamber.
Die Erfindung wird im Folgenden anhand eines bevorzugten Ausführungsbeispiels in The invention will be described below with reference to a preferred embodiment
Verbindung mit den Figuren näher erläutert. Dabei zeigen: Connection with the figures explained in more detail. Showing:
Fig. 1 a bis 1 d eine erste Ausführungsform eines erfindungsgemäßen Kontaktelementes mit einer Ausgestaltung eines Klemmelements; 1 a to 1 d show a first embodiment of a contact element according to the invention with an embodiment of a clamping element;
Fig. 2a bis 2d eine zweite Ausführungsform eines erfindungsgemäßen 2a to 2d, a second embodiment of an inventive
Kontaktelementes mit einer Ausgestaltung eines Klemmelements;  Contact element with a configuration of a clamping element;
Fig. 3a bis 3d eine dritte Ausführungsform eines erfindungsgemäßen Kontaktelementes mit einer Ausgestaltung eines Klemmelements; Fig. 4a bis 4d eine vierte Ausführungsform eines erfindungsgemäßen Kontaktelementes mit einer Ausgestaltung eines Klemmelements; Fig. 5 eine alternative Ausführungsform eines erfindungsgemäßen Kontaktelements in einer Schnittansicht; Fig. 6 das Kontaktelement gemäß Figur 5 in einer perspektivischen Ansicht; 3a to 3d a third embodiment of a contact element according to the invention with an embodiment of a clamping element; 4a to 4d, a fourth embodiment of a contact element according to the invention with an embodiment of a clamping element; 5 shows an alternative embodiment of a contact element according to the invention in a sectional view; FIG. 6 shows the contact element according to FIG. 5 in a perspective view; FIG.
Fig. 7 eine Ausführungsform eines erfindungsgemäßen Klemmelements; 7 shows an embodiment of a clamping element according to the invention;
Fig. 8 eine alternative Ausführungsform eines erfindungsgemäßen Fig. 8 shows an alternative embodiment of an inventive
Kontaktelements in einer ScjYnittansicht;  Contact element in a Scj-section view;
Fig. 9 das Kontaktelement gemäß Figur 8 in einer perspektivischen Ansicht; FIG. 9 the contact element according to FIG. 8 in a perspective view; FIG.
Fig. 10 eine Ausführungsform eines erfindungsgemäßen Klemmelements. 10 shows an embodiment of a clamping element according to the invention.
Die Erfindung wird nachfolgend anhand der Figuren 1 bis 10 näher beschrieben, wobei gleiche Bezugszeichen gleiche funktionale und/oder strukturelle Merkmale bezeichnen. The invention will be described in more detail below with reference to FIGS. 1 to 10, wherein the same reference numerals denote the same functional and / or structural features.
In den Figuren 1 a, 1 b, 2a, 2b, 3a, 3b und 4a, 4b sind jeweils Ausführungsformen eines erfindungsgemäßen Kontaktelementes 1 gezeigt und in den Figuren 1 c, 1 d, 2c, 2d, 3c, 3d und 4c, 4d sind jeweils Klemmelemente 5 der zuvor genannten Ausführungsformen der In FIGS. 1 a, 1 b, 2 a, 2 b, 3 a, 3 b and 4 a, 4 b, embodiments of a contact element 1 according to the invention are shown, and in FIGS. 1 c, 1 d, 2 c, 2 d, 3 c, 3d and 4 c, 4 d each clamping elements 5 of the aforementioned embodiments of
Kontaktelemente 1 gezeigt. Contact elements 1 shown.
Das elektrische Kontaktelement 1 ist ausgebildet aus einem länglichen zylinderförmigen Kontaktstift 2, an den sich ein massiver Kontaktierungsabschnitt 4 anschließt, wie dies in denThe electrical contact element 1 is formed from an elongated cylindrical contact pin 2, to which a solid contacting section 4 connects, as shown in the
Ausführungsbeispielen der elektrischen Kontaktelemente 1 der Figuren 1 bis 4 gezeigt ist. Der Kontaktierungsabschnitt 4 ist als Anschlussblock 9 ausgebildet, wobei der Embodiments of the electrical contact elements 1 of Figures 1 to 4 is shown. The contacting portion 4 is formed as a terminal block 9, wherein the
Kontaktierungsabschnitt 4 jeweils eine außen liegende Klemmfläche 40 aufweist, die in Richtung des Klemmfederarms 6 des Klemmelements 5 weist. Am Außenmantel 41 des Kontaktierungsabschnitts 4 des elektrischen Kontaktelements 1 ist ein den Außenmantel 41 umgreifendes federndes Klemmelement 5 befestigt. Contacting section 4 each having an outer clamping surface 40 which points in the direction of the Klemmfederarms 6 of the clamping element 5. On the outer jacket 41 of the Kontaktierungsabschnitts 4 of the electrical contact element 1, a the outer jacket 41 encompassing resilient clamping element 5 is fixed.
In den Figuren 1c, 1 d, 2c, 2d, 3c, 3d, 4c, 4d sind vier Ausführungsformen von Klemmelementen 5 gezeigt. Die Klemmelemente 5 sind derart gestaltet, dass diese über einen Klemmfederarm 6 verfügen und zwar zur klemmenden Kontaktierung eines Litzenleiters zwischen der FIGS. 1c, 1d, 2c, 2d, 3c, 3d, 4c, 4d show four embodiments of clamping elements 5. The clamping elements 5 are designed such that they have a Klemmfederarm 6 and indeed for clamping contacting a stranded conductor between the
Klemmfläche 40 des Kontaktierungsabschnitts 4 des elektrischen Kontaktelements 1 und dem Kontaktierungsbereich des Klemmfederarms 6. Der Klemmfederarm 6 wird hierbei beim Clamping surface 40 of the Kontaktierungsabschnitts 4 of the electrical contact element 1 and the Contacting of the Klemmfederarms 6. The Klemmfederarm 6 is in this case
Einschieben eines Litzenleiters in der Fig. 1 a und 1 b von oben von einer Insertion of a stranded conductor in FIGS. 1 a and 1 b from above from a
Litzenleitreinführposition in eine Leiterklemmposition federnd betätigt, indem der Litzenleitreinführposition in a ladder clamping position resiliently actuated by the
Klemmfederarm 6 des Klemmelements 5 in Richtung zu dessen Halteabschnitt 60 betätigt wird, wird der Litzenleiter gegen die Klemmfläche 40 federkraftbeaufschlagt durch den Klemmfederarm 6 of the clamping element 5 is actuated in the direction of the holding portion 60, the stranded conductor against the clamping surface 40 is spring-loaded by the
Klemmfederarm 6 kontaktierend gedrückt. Auf diese Weise kann man eine werkezuglose Kontaktierung realisieren. Wie in den Ausführungsbeispielen der Figuren 1 bis 4 ersichtlich, weist das federnde Clamping spring arm 6 pressed pressed. In this way, you can realize a werkezuglosen contact. As can be seen in the embodiments of Figures 1 to 4, the resilient
Klemmelement 5 neben dem Klemmfederarm 6 ferner wenigstens einen Haltearm 50 auf, mit einem endseitig ausgebildeten Umgriffabschnitt 51 , so dass das federnde Klemmelement 5 mit diesen Haltearmen 50 und zwar mit dem Umgriffabschnitt 51 an dem Anschlussblock 9 des Kontaktelements 1 mit Formschluss befestigt werden können. Hierzu liegt der Umgriff abschnitt 51 an der entsprechend korrespondierenden Außenkontur des Kontaktierungsabschnitts 4 am Anschlussblock 9 des Kontaktelements 1 an.  Clamping element 5 next to the Klemmfederarm 6 further comprises at least one support arm 50, with an end formed Umgriffabschnitt 51, so that the resilient clamping element 5 can be fixed with these retaining arms 50 and that with the Umgriffabschnitt 51 to the terminal block 9 of the contact element 1 with positive engagement. For this purpose, the wraparound section 51 abuts the correspondingly corresponding outer contour of the contacting section 4 on the connection block 9 of the contact element 1.
In den Ausführungen gemäß den Figuren 2c, 2d und 4c, 4d weist das Klemmelement 5 jeweils zwei Haltearme 50 mit einem endseitig umgebogenen Umgriffabschnitt 51 auf, wobei in den Figuren 2 der Umgriff von der gleichen Seite erfolgt, während in der Ausführung gemäß Figur 4 die zwei Haltearme 50 den Kontaktierungsabschnitt 4 des Kontaktelements 1 mit ihren In the embodiments according to FIGS. 2c, 2d and 4c, 4d, the clamping element 5 has in each case two retaining arms 50 with a wrap-around section 51 bent over at the ends, wherein in FIGS. 2 the wrapping takes place from the same side, while in the embodiment according to FIG two holding arms 50 the contacting portion 4 of the contact element 1 with their
Umgriffabschnitten 51 von unterschiedlichen und zwar gegenüberliegenden Seiten kommend umgreifen. In den Figuren 5 bis 7 ist eine weitere alternative Ausgestaltung eines erfindungsgemäßen elektrischen Kontaktelements 1 gezeigt, mit dem in Figur 7 erfindungsgemäß alternativ ausgebildeten Klemmelement 5. Das Klemmelement 5 verfügt wie die zuvor erläuterten Klemmelemente 5 ebenfalls über einen Haltearm 50, der abgewinkelt über eine Biegestelle 53 mit dem Klemmfederarm 6 verbunden ist. Allerdings weist der Umgriffabschnitt 51 in diesem Ausführungsbeispiel eine C-förmige Form auf. Ferner ist das elektrische Kontaktelement 1 so ausgebildet, dass der Kontaktierungsabschnitt 4 eine Kontaktkammer 43 mit einer innen liegenden Klemmfläche 40 ausbildet und der Klemmfederarm 6 des Klemmelements 5 durch eine Öffnung 44 der Kontaktkammer 43 in die Kontaktkammer 43 hineinragt. In diesem Umgriffabschnitten 51 coming from different and opposite sides embrace. FIGS. 5 to 7 show a further alternative embodiment of an electrical contact element 1 according to the invention, with clamping element 5 formed alternatively in accordance with the invention. The clamping element 5, like the above-described clamping elements 5, likewise has a holding arm 50, which is angled over a bending point 53 is connected to the Klemmfederarm 6. However, the wrap-around portion 51 in this embodiment has a C-shape. Further, the electrical contact element 1 is formed so that the contacting section 4 forms a contact chamber 43 with an inner clamping surface 40 and the Klemmfederarm 6 of the clamping element 5 projects through an opening 44 of the contact chamber 43 into the contact chamber 43. In this
Ausführungsbeispiel würde der Litzenleiter durch die obere Öffnung 44 der Kontaktkammer 43 in die Kontaktkammer 43 hinein betätigt und drückt den Klemmfederarm 6 aus seiner in Figur 5 gezeigten Litzenleitereinführposition in eine Leiterklemmposition, bei der der Litzenleiter zwischen dem Klemmfederarm 6 und der gegenüberliegenden Klemmfläche 40 in der In the embodiment, the stranded conductor would be actuated through the upper opening 44 of the contact chamber 43 into the contact chamber 43 and press the Klemmfederarm 6 from its shown in Figure 5 Litzenleitereinführposition in a conductor clamping position, wherein the stranded conductor between the Klemmfederarm 6 and the opposite clamping surface 40 in the
Kontaktkammer 43 klemmend kontaktiert wird. In den Figuren 8 bis -10 ist eine weitere alternative Ausgestaltung eines erfindungsgemäßen elektrischen Kontaktelements 1 gezeigt, mit dem in Figur 10 erfindungsgemäß alternativ ausgebildeten Klemmelement 5. Das Klemmelement 5 verfügt über drei Haltearme 50, 54, die abgewinkelt über eine Biegestelle 53 mit dem Klemmfederarm 6 verbunden sind. Allerdings weisen zwei Umgriffabschnitte 51 in diesem Ausführungsbeispiel eine L-förmige Form auf. Zusammen mit einem am Kontaktierungsabschnitt 4 ausgebildeten Wiederhaken 46 befestigt der dritte, endseitige Haltearm 54 das federnde Klemmelement 5 formschlüssig gemäß Figur 9 dadurch, dass das federnde Klemmelement 5 einen Federarmausschnitt 62 an dem Contact chamber 43 is contacted by clamping. FIGS. 8 to 10 show a further alternative embodiment of an electrical contact element 1 according to the invention, with clamping element 5 alternatively designed according to the invention. The clamping element 5 has three holding arms 50, 54 which are angled over a bending point 53 with the clamping spring arm 6 are connected. However, two Umgriffabschnitte 51 in this embodiment, an L-shaped form. The third, end-side holding arm 54, together with a hook 46 formed on the contacting section 4, affixes the resilient clamping element 5 in a form-fitting manner according to FIG. 9 in that the resilient clamping element 5 forms a spring arm cutout 62 on the
Halteabschnitt 60 aufweist und mittels des Wiederhakens 46 einrastet. Ferner ist das elektrische Kontaktelement 1 so ausgebildet, dass der Kontaktierungsabschnitt 4 eine Kontaktkammer 43 mit einer innen liegenden Klemmfläche 40 ausbildet und der Klemmfederarm 6 des Holding portion 60 and engages by means of the hook 46. Further, the electrical contact element 1 is formed so that the contacting portion 4 forms a contact chamber 43 with an inner clamping surface 40 and the Klemmfederarm 6 of the
Klemmelements 5 durch eine Öffnung 44 der Kontaktkammer 43 in die Kontaktkammer 43 hineinragt. In diesem Ausführungsbeispiel würde der Litzenleiter durch die Öffnung 44 der Kontaktkammer 43 in die Kontaktkammer 43 hinein betätigt und drückt den Klemmfederarm 6 aus seiner in Figur 8 gezeigten Litzenleitereinführposition in eine Leiterklemmposition, bei der der Litzenleiter zwischen dem Klemmfederarm 6 und der gegenüberliegenden Klemmfläche 40 in der Kontaktkammer 43 klemmend kontaktiert wird.  Clamping element 5 protrudes through an opening 44 of the contact chamber 43 into the contact chamber 43. In this embodiment, the stranded conductor would be actuated through the opening 44 of the contact chamber 43 into the contact chamber 43 and pushes the Klemmfederarm 6 from its Litzenleitereinführposition shown in Figure 8 in a conductor clamping position in which the stranded conductor between the Klemmfederarm 6 and the opposite clamping surface 40 in the Contact chamber 43 is contacted by clamping.
Weiter bevorzugt ist es, wenn ein Abschnitt 4a des Kontaktierungsabschnitts 4 zwischen dem Wiederhaken 46 und einem vom Klemmelement 5 ausgebildeten, endseitigem Haltearm 54 klemmend gehalten wird. in den Figuren 1 bis 4 weisen die elektrischen Kontaktelemente 1 im Befestigungsbereich des Kontaktierungsabschnitts 4 eine zylindermantelförmige Form auf, so dass die Umgriffabschnitte 51 mit Formschluss am Kontaktierungsabschnitt 4 anliegen. It is further preferred if a section 4a of the contacting section 4 is clamped between the re-hook 46 and an end-side holding arm 54 formed by the clamping element 5. In the figures 1 to 4, the electrical contact elements 1 in the mounting region of the Kontaktierungsabschnitts 4 a cylinder jacket-shaped shape, so that the Umgriffabschnitte 51 rest with positive engagement on the contacting section 4.
In einer ähnlichen Art und Weise wird das Klemmelement 5 gemäß Figur 7 an dem elektrischen Kontaktelement 1 gemäß Figur 6 befestigt, in dem der Umgriffabschnitt 51 um die Außenkontur des hier im Wesentlichen kastenförmigen Kontaktierungsabschnitts 4 greift. Die Erfindung beschränkt sich in ihrer Ausführung allerdings nicht auf das vorstehend angegebene bevorzugte Ausführungsbeispiel. Vielmehr sind eine Anzahl von Varianten und Ausführungsarten denkbar, welche von der dargestellten Lösung und dem dargestellten Verfahren auch bei grundsätzlich anders gearteter Ausführung Gebrauch macht. In a similar manner, the clamping element 5 is attached according to Figure 7 to the electrical contact element 1 according to Figure 6, in which the Umgriffabschnitt 51 engages around the outer contour of the here substantially box-shaped contacting section 4. However, the invention is not limited in its execution to the above-mentioned preferred embodiment. Rather, a number of variants and embodiments are conceivable, which makes use of the illustrated solution and the illustrated method even with fundamentally different type of execution.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 Kontaktelement 1 contact element
Kontaktstift Kontaktieru ngsabsch n itt Contact pin Contact termination
a Abschnitt des Kontaktierungsabschnitts KSemmelement  a section of Kontaktierungsabschnitts KSemmelement
Klemmfederarm  Klemmfederarm
y y
9 Anschlussblock 9 terminal block
40 Klemmfläche 40 clamping surface
41 Außenmantel  41 outer jacket
43 Kontaktkammer 43 contact chamber
44 Öffnung  44 opening
45 Einstecköffnung  45 insertion opening
46 Wiederhaken  46 re-hook
50 Haltearm 50 holding arm
51 Umgriffabschnitt  51 Umgriffabschnitt
52 Haltearmende  52 holding arms
53 Biegestelle  53 Bend
54 endseitiger Haltearm 54 end-side holding arm
60 Halteabschnitt 60 holding section
61 Klemmarmabschnitt  61 clamping arm section
62 Federarmausschnitt  62 spring arm cutout

Claims

Ansprüche  claims
Elektrisches Kontaktelement (1 ) mit einem Kontaktstift (2) und einem am Kontaktelement (1 ) befestigten federnden Klemmelement (5) mit einem Klemmfederarm (6) zur klemmenden Kontaktierung eines Litzenleiterendes zwischen der Klemmfläche (40) eines Kontaktierungsabschnitts (4) eines Anschlussblocks (9) eines Kontaktelements (1 ) und dem Klemmfederarm (6), wobei das Klemmelement (5) wenigstens einen Haltearm (50) mit einem endseitigen Umgriff abschnitt (51 ) aufweist, um das federnde Electrical contact element (1) with a contact pin (2) and a resilient clamping element (5) fastened to the contact element (1) with a clamping spring arm (6) for clamping contacting of a stranded conductor end between the clamping surface (40) of a contacting section (4) of a connection block (9 ) of a contact element (1) and the Klemmfederarm (6), wherein the clamping element (5) has at least one retaining arm (50) with an end-side Umgriff portion (51) to the resilient
Klemmelement (5) an dem Anschlussblock (9) des Kontaktelements (1 ) mit Formschluss zu befestigen, wobei das elektrische Kontaktelement (1 ) dadurch gekennzeichnet ist, dass die Außenkontur des Kontaktstiftes (2) im Befestigungsbereich des Clamping element (5) to the terminal block (9) of the contact element (1) with positive locking to secure, wherein the electrical contact element (1) is characterized in that the outer contour of the contact pin (2) in the mounting region of
Kontaktierungsabschnitts (4) zylindermantelförmig mit rundem oder eckigem Querschnitt ausgebildet ist. Contacting portion (4) is cylindrical shell-shaped with a round or square cross-section.
Elektrisches Kontaktelement (1 ) zum klemmenden Anschließen eines Litzenleiters, bestehend aus einem Kontaktstift (2) und einem damit verbundenen Electrical contact element (1) for the clamping connection of a stranded conductor, consisting of a contact pin (2) and a connected thereto
Kontaktierungsabschnitt (4), der eine außen liegende Klemmfläche (40) aufweist und an dessen Außenmantel (41 ) ein federndes Klemmelement (5) gemäß Anspruch 1 befestigt ist, derart, dass dieses mit seinem Klemmfederarm (6) zur klemmenden Kontaktierung eines Litzenleiterendes zwischen der Klemmfläche (40) des Kontaktierungsabschnitts (4) und dem Klemmfederarm (6) vorgesehen ist, wobei der Klemmfederarm (6) beim Contacting portion (4) having an outer clamping surface (40) and on the outer jacket (41) a resilient clamping element (5) is fixed according to claim 1, such that this with its Klemmfederarm (6) for clamping contacting a stranded conductor end between the Clamping surface (40) of the Kontaktierungsabschnitts (4) and the Klemmfederarm (6) is provided, wherein the Klemmfederarm (6) during the
Einschieben eines Litzenleiters von einer Litzenleitereinführposition in eine Inserting a stranded conductor from a Litzenleitereinführposition in one
Litzenleiterklemmposition federn betätigt wird. Elektrisches Kontaktelement (1 ) zum klemmenden Anschließen eines Litzenleiters, bestehend aus einem Kontaktstift (2) und einem damit verbundenen Litzenleiterklemmposition springs is actuated. Electrical contact element (1) for the clamping connection of a stranded conductor, consisting of a contact pin (2) and a connected thereto
Kontaktierungsabschnitt (4), der eine innen liegende Klemmfläche (40) aufweist und an dessen Au ßenmantel (41 ) ein federndes Klemmelement (5) gemäß Anspruch 1 befestigt ist, derart, dass dieses mit seinem Klemmfederarm (6) zur klemmenden Kontaktierung eines Litzenleiterendes zwischen der Klemmfläche (40) des Kontaktierungsabschnitts (4) und dem Klemmfederarm (6) vorgesehen ist, wobei der Klemmfederarm (6) beim Contacting section (4) having an inner clamping surface (40) and on the outer shell (41) a resilient clamping element (5) according to claim 1 is fixed, such that this with its Klemmfederarm (6) for clamping contacting a stranded conductor between the clamping surface (40) of the Kontaktierungsabschnitts (4) and the Klemmfederarm (6) is provided, wherein the Klemmfederarm (6) during the
Einschieben eines Litzenleiters von einer Litzenleitereinführposition in eine Inserting a stranded conductor from a Litzenleitereinführposition in one
Litzenleiterklemmposition federn betätigt wird. Elektrisches Kontaktelement (1) gemäß Anspruch 2, dadurch gekennzeichnet, dass das Klemmelement (5) mittels wenigstens einem den Kontaktierungsabschnitt (4) desLitzenleiterklemmposition springs is actuated. Electrical contact element (1) according to claim 2, characterized in that the clamping element (5) by means of at least one contacting portion (4) of the
Kontaktstiftes (2) zumindest teilweise außen umgreifenden Haltearm (50) am Contact pin (2) at least partially outside embracing support arm (50) on
Kontaktelement (1 ) befestigt ist.  Contact element (1) is attached.
Elektrisches Kontaktelement (1 ) gemäß Anspruch 2, 3 oder 4, dadurch gekennzeichnet, dass der wenigstens eine, Haltearm (50) am lemmelement (5) mit einem endseitigen umgebogenen Umgriff abschnitt (51) ausgebildet ist. Electrical contact element (1) according to claim 2, 3 or 4, characterized in that the at least one, holding arm (50) on lemmelement (5) with an end-side bent-over Umgriff portion (51) is formed.
Elektrisches Kontaktelement (1 ) gemäß Anspruch 5, dadurch gekennzeichnet, dass die Form des Umgriffabschnitts (51 ) eine teilkreisbogenförmige Umbiegung des Electrical contact element (1) according to claim 5, characterized in that the shape of the Umgriffabschnitts (51) a partial arc-shaped bend of the
Klemmfederarms (6) darstellt, vorzugsweise mit einem Teilkreissegment zwischen 90° und 180°, weiter vorzugsweise zwischen 100° und 135°.  Klemmfederarms (6), preferably with a pitch circle segment between 90 ° and 180 °, more preferably between 100 ° and 135 °.
Elektrisches Kontaktelement (1 ) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Klemmfederarm (6) einen nicht federnden Halteabschnitt (60) aufweist, und ein federnder Klemmarmabschnitt (61 ) des Klemmfederarms (6) in Richtung des Kontaktstifts (2) ragt. Electrical contact element (1) according to one of the preceding claims, characterized in that the Klemmfederarm (6) has a non-resilient retaining portion (60), and a resilient Klemmarmabschnitt (61) of the Klemmfederarms (6) in the direction of the contact pin (2) protrudes.
Elektrisches Kontaktelement (1) gemäß einem der vorhergehenden Ansprüche 4 bis 7, dadurch gekennzeichnet, dass der oder die Haltearme (50) als im Wesentlichen streifenförmige und endseitig umgebogene Blechzungen ausgebildet sind, welche mit ihrem einen Haltearmende (52) abgewinkelt über eine Biegestelle (53) mit dem Electrical contact element (1) according to one of the preceding claims 4 to 7, characterized in that the one or more holding arms (50) are designed as substantially strip-shaped and bent-over sheet metal tongues, which with their one holding arm end (52) angled over a bending point (53 ) with the
Klemmfederarm (6) verbunden sind.  Clamping spring arm (6) are connected.
Elektrisches Kontaktelement (1 ) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwei Haltearme (50) den Kontaktierungsabschnitt (4) des Kontaktelements (1 ) mit einem Umgriffabschnitt (51 ) von gleichen Seiten oder von unterschiedlichen, vorzugsweise gegenüberliegenden Seiten kommend umgreifend. Electrical contact element (1) according to one of the preceding claims, characterized in that two retaining arms (50) embrace the contacting section (4) of the contact element (1) with a wrap-around section (51) coming from the same side or from different, preferably opposite sides.
10. Elektrisches Kontaktelement (1 ) gemäß einem der vorhergehenden Ansprüche 2 bis 5 oder 7 bis 9, dadurch gekennzeichnet, dass der Umgriffabschnitt (51 ) in einer 10. Electrical contact element (1) according to one of the preceding claims 2 to 5 or 7 to 9, characterized in that the Umgriffabschnitt (51) in one
L- oder C-Form ausgebildet ist. L- or C-shape is formed.
1 1. Elektrisches Kontaktelement (1 ) gemäß Anspruch 3, dadurch gekennzeichnet, dass der Kontaktierungsabschnitt (4), der eine Kontaktkammer (43) mit einer innen liegenden Klemmfläche (40) aufweist und der Klemmfederarm (6) durch eine Öffnung (44) der Kontaktkammer (43) in die Kontaktkammer (43) hineinragt. 1 1. An electrical contact element (1) according to claim 3, characterized in that the contacting portion (4) having a contact chamber (43) with an inner clamping surface (40) and the Klemmfederarm (6) through an opening (44) of Contact chamber (43) protrudes into the contact chamber (43).
12. Elektrisches Kontaktelement (1 ) gemäß Anspruch 1 1 , dadurch gekennzeichnet, dass das federnde Klemmelement (5) einen Umgriff abschnitt (51 ) aufweist, der, zusammen mit einem am Kontaktierungsabschnitt (4) ausgebildeten Wiederhaken (46), das federnde Klemmelement (5) mit Formschluss befestigt, indem das federnde Klemmelement (5) einen Federarmausschnitt (62) an einem Halteabschnitt (60) des Klemmelements (5) aufweist und der mittels des Wiederhakens (46) einrastet. 12. An electrical contact element (1) according to claim 1 1, characterized in that the resilient clamping element (5) has a wraparound portion (51), which, together with a contacting section (4) formed hooks (46), the resilient clamping element ( 5) secured with positive engagement by the resilient clamping element (5) has a spring arm cutout (62) on a holding portion (60) of the clamping element (5) and which engages by means of the Wiederhakens (46).
13. Elektrisches KontakteSement (1 ) gemäß Anspruch 12, dadurch gekennzeichnet, dass ein Abschnitt (4a) des Kontaktierungsabschnitts (4) zwischen dem Wiederhaken (46) und einem vom Klemmelement (5) ausgebildeten, endseitigen Haltearm (54) klemmend gehalten wird. 13. Electrical ContactsSement (1) according to claim 12, characterized in that a portion (4a) of the contacting portion (4) between the re-hook (46) and one of the clamping element (5) formed, end-side holding arm (54) is clamped.
EP17803827.9A 2016-11-09 2017-11-09 Contact element comprising a clamping terminal for a stranded conductor Active EP3539183B1 (en)

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PCT/EP2017/078725 WO2018087211A1 (en) 2016-11-09 2017-11-09 Contact element comprising a clamping terminal for a stranded conductor

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DE102014116482B4 (en) 2014-11-12 2021-09-23 Amphenol-Tuchel Electronics Gmbh Contact element

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DE102017126185A1 (en) 2018-05-09
WO2018087211A1 (en) 2018-05-17
DE102017126185B4 (en) 2022-08-11
EP3539183B1 (en) 2020-12-30

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