EP2133956A2 - Electric connecting element - Google Patents

Electric connecting element Download PDF

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Publication number
EP2133956A2
EP2133956A2 EP09006530A EP09006530A EP2133956A2 EP 2133956 A2 EP2133956 A2 EP 2133956A2 EP 09006530 A EP09006530 A EP 09006530A EP 09006530 A EP09006530 A EP 09006530A EP 2133956 A2 EP2133956 A2 EP 2133956A2
Authority
EP
European Patent Office
Prior art keywords
connection element
contact
sleeve
contact element
receiving space
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
EP09006530A
Other languages
German (de)
French (fr)
Other versions
EP2133956B1 (en
EP2133956A3 (en
Inventor
Michael Grimm
Wolfgang Haller
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.)
Phoenix Contact GmbH and Co KG
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 EP2133956A2 publication Critical patent/EP2133956A2/en
Publication of EP2133956A3 publication Critical patent/EP2133956A3/en
Application granted granted Critical
Publication of EP2133956B1 publication Critical patent/EP2133956B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring

Definitions

  • the invention relates to an electrical connection element, in particular an electrical connection element for a pin or socket contact, which forms a contact element together with the pin or socket contact with a plug-in area and a connection area formed by the electrical connection element for an electrical conductor.
  • Such contact elements are usually surrounded by an insulating contact body or housing, these contact elements are required to produce an electrical connection between an electrical conductor, such as a solid conductor and a terminal end of an electrical contact, that is pin contact or socket contact.
  • the production of such an electrical connection between a conductor and the connection region of the electrical contact takes place in a generic contact element without special tools.
  • connection principles are known for connecting electrical conductors to contact elements, as are produced by means of soldering screw connections by Käfigzuganschiüsse or by crimp connections, connections between the conductor and the contact element.
  • connection principles have in common that they are complex and must be attached using tools, in some cases using special tools.
  • special crimping tools are needed for crimped connections, in particular for different conductor cross sections.
  • a plurality of such contact elements for example in an isollerenden contact body or a housing, continue to be used for producing a connector.
  • These contact elements should be placed as close to each other as possible, so that a connector is made compact. It is therefore desirable to design the contact elements with the connecting elements held therein so that they occupy as little space as possible. In particular, therefore, a space-saving connection technology of the contact elements with the conductors to be contacted is advantageous.
  • connection principles such as solder, Crimp immortal or screw terminals are usually not compact introduced by their type of connection in a contact body.
  • an electrical terminal assembly having an insulating housing in which at least one connection for an insulated conductor or a stripped conductor is provided with at least one cutting element and at least one spring element.
  • a further contact element that is designed as a pin or socket contact and has a plug-in area, such as a connection area.
  • an electrical conductor by applying a sleeve, connected to the terminal end, being stamped out of the conversion of the sleeve spring arms, which are directed into the sleeve interior and immersed in a bore in the terminal end of the contact element.
  • On the sleeve over a sawtooth thread of the contact element alsschiebbarer collar for holding the sleeve is formed on the contact element.
  • the cylindrical Anschlußusstell has a partial groove for receiving the conductor end, as well as deflection, which lead the conductor end from the inner region and with a coiled ribbon spring , which surround the cylindrical connection part, is formed.
  • an integrally formed terminal with an elongated metal plate having a hole for attachment at one end and is provided in the direction of the other end with two of opposite side facing inside slots, and a hole.
  • the conductor end of an electrical conductor is then guided in an S-shape one or more times through these slots and fixed with the free end in the hole.
  • the contact elements of the prior art can not readily be arranged compactly to a multi-pin connector in a housing.
  • the invention is therefore based on the object to form a contact element of the type mentioned in that a contact element already in use can be easily equipped with the aforementioned connection technology, ie the connection element according to the invention, with at least comparable contacting properties, such as contact resistance with this connection technology and tight fit of the electrical conductor can be achieved.
  • Another object of the present invention is to provide a contact element which has the connection element according to the invention and is compact.
  • connection element according to claim 1 and a contact element according to claim 8.
  • an electrical connection element which can be introduced into a receiving space of the contact element according to the invention.
  • the electrical connection element has an elongated recess, for receiving a conductor and for simultaneous contacting of the conductor to be introduced against the inner wall of the contact element.
  • connection element is introduced into the receiving space of the contact element, then the essentially cylindrical spring arms of the connecting element are supported against the inner wall of the contact element in the receiving space. whereby the connection element is securely connected electrically and mechanically to the contact element.
  • a spring tongue which presses a male conductor in the position of the slot against the inner wall of the contact element and is supported there.
  • connection element is applied flatly to the stripped conductor region to be connected. This is achieved with the features of the connection element according to claim 1.
  • connection element according to the invention is, in particular, that plug-in connector systems in use with existing crimp, screw, or solder contacts can be easily exchanged for connection contacts according to the invention, without the need for special tools. It is only necessary to adapt the connection element to the corresponding connector and thus Kontakityp.
  • connection element 2 is suitable for introduction into a contact element 1, according to FIG Fig. 5 ,
  • the connecting element 2 is formed as a substantially cylindrical and tubular sleeve 6.
  • the shape of the tubular sleeve 6 is preferably adapted to the receiving geometry of a receiving space 4 of a contact element 1.
  • the geometry is tubular or at least substantially tubular, as in the Fig. 1 to 3 is shown.
  • the sleeve 6 itself is formed by two pairs opposite spring arms 5a, 5b, which are interrupted by a slot 8 which extends over the entire height of the sleeve 6.
  • a substantially open and resilient sleeve 6 is obtained, which can be introduced by clamping into the receiving space 4 of the contact element 1 and can be supported with the outside of the spring arms 5a, 5b on the inside 13 of the receiving space 4 of the contact element 1 and there clamping is held.
  • a latching hook 10 can be arranged on at least one of the spring arms 5a, 5b.
  • the latching hook 10 is from one of the side walls of the sleeve 6 namely the spring arm 5b in Fig. 2 stamped so resilient and provided with an outwardly directed retaining lug 15.
  • a spring tongue 9 which extends into the interior of the sleeve 6 between the spring arms 5a, 5b.
  • the connecting element 2 receives such a contour that it, as later in Fig. 5 explained after insertion of an electrical conductor 16 on the one hand on the inner wall or the inside of the receiving space 13 is supported and on the other hand pushes the stripped portion of the conductor 16 against the inner side 13 of the contact element 1 in the region of the receiving space 4 and thereby a good
  • the spring arms 5a, 5b are connected to one another by means of webs, namely connecting webs 11a, 11b.
  • the spring tongue 9 is preferably punched out of the sleeve 6 such that an arm, namely the fixed articulated arm of the spring tongue 9, on one of the connecting webs 11 a, 11 b is fixed and the spring tongue with its free end in the direction of the slot. 8 extends on the opposite side of the sleeve and that in the interior.
  • the spring tongue 9 can rebound when inserting an electrical conductor 16 in the direction of the recess 7 and hold the electrical conductor 16 with its stripped area clamping in the receiving space 4 of the contact element 1, as clearly in Fig. 5 and Fig. 6 is shown.
  • Fig. 5 represents a contact element 1 with a Steckel 3 and a receiving space 4.
  • a connection element 2 in which an electrical conductor 16 is inserted.
  • Fig. 6 is one from the opposite side cut, according to the section line AA Fig. 3 viewed view represented.
  • the aforementioned latching hook 10 with its retaining lug 15 can by the resilient configuration of the sleeve 6 during insertion of the connection element 2 in the contact element 3 and in the receiving space. 4 be fixed with the retaining lug 15 releasably on the wall opening 14.
  • the retaining lug 15 is exposed on the wall opening 14 and thereby the connection element 2 from the contact element 1 is removable. This results in a reconnectable contact element. 1
  • the spring arms 5a, 5b could also be formed transversely to the slot 8, whereby different radii in the region of the sleeve diameter of the sleeve 6 can be formed and thereby belspielnger the force with the connection element 2 of the invention in a receiving space 4 of Contact element 1 can be introduced, would be scalable and correspondingly adjustable.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Cable Accessories (AREA)

Abstract

The connection element (2) has spring arms (5a, 5b) for fastening the connection element in a receiving space of a contact element in a clamping manner, where the spring arms are arranged at the connection element in a resilient manner. The connection element is designed as a tubular or cylindrical sleeve (6). A continuous slot (8) is provided over an entire height of the sleeve under formation of the spring arms. Each spring arm is provided with a catch hook. A flexible tongue (9) extends into interior of the sleeve. An independent claim is also included for a contact element comprising a wall opening.

Description

Die Erfindung betrifft eine elektrisches Anschlusselement, insbesondere ein elektrisches Anschlusselement für einen Stift- oder Buchsenkontakt, welches zusammen mit dem Stift- oder Buchsenkontakt ein Kontaktelement bildet mit einem Steckbereich und einem vom elektrischen Anschlusselement gebildeten Anschlussbereich für einen elektrischen Leiter. Solche Kontaktelemente sind in der Regel von einem isolierenden Kontaktkörper oder Gehäuse umgeben, Diese Kontaktelemente werden benötigt, um eine elektrische Verbindung zwischen einem elektrischen Leiter, beispielsweise einem Massivleiter und einem Anschlussende eines elektrischen Kontaktes, sprich Stiftkontaktes oder Buchsenkontaktes, herzustellen. Die Herstellung einer solchen elektrischen Verbindung zwischen einem Leiter und dem Anschlussbereich des elektrischen Kontaktes erfolgt bei einem gattungsgemäßen Kontaktelement ohne spezielles Werkzeug.The invention relates to an electrical connection element, in particular an electrical connection element for a pin or socket contact, which forms a contact element together with the pin or socket contact with a plug-in area and a connection area formed by the electrical connection element for an electrical conductor. Such contact elements are usually surrounded by an insulating contact body or housing, these contact elements are required to produce an electrical connection between an electrical conductor, such as a solid conductor and a terminal end of an electrical contact, that is pin contact or socket contact. The production of such an electrical connection between a conductor and the connection region of the electrical contact takes place in a generic contact element without special tools.

Im Stand der Technik sind zum Anschluss elektrischer Leiter an Kontaktelemente eine Reihe von Anschlussprinzipien bekannt, wie mittels Löten über Schraubanschlüsse durch Käfigzuganschiüsse oder auch durch Crimpanschlüsse, Verbindungen zwischen dem Leiter und dem Kontaktelement hergestellt werden. Diesen Anschlussprinzlpien ist gemeinsam, dass sie aufwendig sind und über Werkzeuge, teilweise über Spezialwerkzeuge, anzubringen sind. So werden für Crimpverbindungen, insbesondere für unterschiedliche Leiterquerschnitte, eine Vielzahl von speziellen Crimpwerkzeugen benötigt.In the prior art, a number of connection principles are known for connecting electrical conductors to contact elements, as are produced by means of soldering screw connections by Käfigzuganschiüsse or by crimp connections, connections between the conductor and the contact element. These connection principles have in common that they are complex and must be attached using tools, in some cases using special tools. Thus, a variety of special crimping tools are needed for crimped connections, in particular for different conductor cross sections.

Es werden Im Stand der Technik weiterhin eine Vielzahl solcher Kontaktelemente, beispielsweise in einen isollerenden Kontaktkörper oder ein Gehäuse, zum Herstellen eines Steckverbinders eingesetzt. Diese Kontaktelemente sollen möglichst dicht beieinander untergebracht werden, damit ein Steckverbinder kompakt ausgebildet wird. Es ist daher wünschenswert, die Kontaktelemente mit den darin gehaltenen Anschlusselementen so auszubilden, dass diese möglichst wenig Raum einnehmen. Insbesondere ist daher auf eine Platz sparende Verbindungstechnik der Kontaktelemente mit den zu kontaktierenden Leitern von Vorteil.In the prior art, a plurality of such contact elements, for example in an isollerenden contact body or a housing, continue to be used for producing a connector. These contact elements should be placed as close to each other as possible, so that a connector is made compact. It is therefore desirable to design the contact elements with the connecting elements held therein so that they occupy as little space as possible. In particular, therefore, a space-saving connection technology of the contact elements with the conductors to be contacted is advantageous.

Die im Stand der Technik zuvor genannten Anschlussprinzipien, wie beispielsweise Lötverbindung, Crimpverbindung oder Schraubanschlüsse sind In der Regel durch ihre Anschlussart nicht kompakt in einem Kontaktkörper einbringbar.The previously mentioned in the prior art connection principles, such as solder, Crimpverbindung or screw terminals are usually not compact introduced by their type of connection in a contact body.

So ist einerseits Zugang zum Löten notwendig bei Lötververbindungen. Alternativ muss zum Beispiel bei Schraubverbindungen mit einem herkömmlichen Schraubendreher Zugang von außen verschafft werden, so dass auch hier eine kompakte Anordnung einer Vielzahl solcher Kontaktelemente nur in einer ganz speziellen Geometrie denkbar Ist. Ferner ist es wünschenswert, dass sich der Leiter leicht aus dem Kontakt lösen lässt und ein neuer Leiter wieder ohne großen Aufwand darin eingesetzt werden kann. Es soll auch sichergestellt werden, dass der Kontakt wieder verwendbar ist und bei einem Austausch des Leiters dies bei auch geringem Raum möglich ist.So on the one hand access to the soldering is necessary at Lötververbindungen. Alternatively, for example, access must be provided from the outside in the case of screw connections with a conventional screwdriver, so that a compact arrangement of a multiplicity of such contact elements is conceivable only in a very specific geometry. Further, it is desirable that the conductor can be easily released from contact and a new conductor can be reused without much effort. It should also be ensured that the contact is reusable and in an exchange of the conductor this is possible in a small space.

Im Stand der Technik ist beispielsweise aus der DE 199 14 308 A1 eine elektrische Anschlussbaueinheit mit einem Isoliergehäuse bekannt, bei der mindestens ein Anschluss für einen isolierten Leiter oder ein abisolierten Leiter mit mindestens einem Schneidelement und mindestens einem Federelement vorgesehen ist.In the prior art, for example, from the DE 199 14 308 A1 an electrical terminal assembly having an insulating housing is known in which at least one connection for an insulated conductor or a stripped conductor is provided with at least one cutting element and at least one spring element.

Aus der DE 201 19 530 U1 ist ein weiteres Kontaktelement beschrieben, dass als Stift-oder Buchsenkontakt ausgebildet ist und einen Steckbereich, so wie einen Anschlussbereich aufweist. An das Anschlussende des elektrischen Kontaktelementes wird ein elektrischer Leiter, durch Aufbringen einer Hülse, auf das Anschlussende angeschlossen, wobei aus der Wandlung der Hülse Federarme ausgestanzt sind, die in das Hülseninnere gerichtet sind und In eine Bohrung im Anschlussende des Kontaktelementes eintauchen. An der Hülse ist ein über ein Sägezahngewinde des Kontaktelementes aufschiebbarer Kragen zum Halten der Hülse auf dem Kontaktelement ausgebildet.From the DE 201 19 530 U1 is described a further contact element that is designed as a pin or socket contact and has a plug-in area, such as a connection area. At the terminal end of the electrical contact element, an electrical conductor, by applying a sleeve, connected to the terminal end, being stamped out of the conversion of the sleeve spring arms, which are directed into the sleeve interior and immersed in a bore in the terminal end of the contact element. On the sleeve over a sawtooth thread of the contact element aufschiebbarer collar for holding the sleeve is formed on the contact element.

Aus der DE 828 563 ist eine zweiteilige Anschlussklemme bekannt. Diese Anschlussklemme ist mit einem Kontaktteil zum Kontaktieren eines passenden Gegenkontaktes und mit einem Anschlusstell zum Halten eines Lelterendes eines elektrischen Leiters ausgestattet, Das zylindrische Anschlusstell hat eine Teilnut zur Aufnahme des Leiterendes, sowie Umlenkmittel, die das Leiterende aus dem Innenbereich herausführen und mit einer gewundenen Bandfeder, die den zylindrischen Anschlussteil umgeben, ausgebildet ist.From the DE 828 563 is a two-piece terminal known. This terminal is provided with a contact part for contacting a mating contact and a terminal for holding a Lelterendes an electrical conductor, the cylindrical Anschlußusstell has a partial groove for receiving the conductor end, as well as deflection, which lead the conductor end from the inner region and with a coiled ribbon spring , which surround the cylindrical connection part, is formed.

Aus der GB 377 160 ist eine einstückig ausgebildete Anschlussklemme bekannt, mit einer länglichen Metallplatte, die an einem Ende ein Loch zur Befestigung aufweist und in Richtung des anderen Endes mit zwei von gegenüberilegenden Seiten nach Innen reichenden Schlitzen, sowie einem Loch versehen ist.From the GB 377 160 is known an integrally formed terminal, with an elongated metal plate having a hole for attachment at one end and is provided in the direction of the other end with two of opposite side facing inside slots, and a hole.

Das Leiterende eines elektrischen Leiters wird dann s-förmig ein- oder mehrmals durch diese Schlitze geführt und mit dem freien Ende in dem Loch fixiert.The conductor end of an electrical conductor is then guided in an S-shape one or more times through these slots and fixed with the free end in the hole.

Nachteilig bei den verschiedenen Anschlussprinzipien der zuvor genannten Anschlusstechniken im Stand der Technik, ist dabei der Aufwand, sowie das speziell benötigte Werkzeug. Zusätzlich lassen sich die Kontaktelemente aus dem Stand der Technik nicht ohne weiteres kompakt zu einem hochpoligen Steckverbinder in einem Gehäuse anordnen.A disadvantage of the various connection principles of the aforementioned connection techniques in the prior art, is the effort, and the specially required tool. In addition, the contact elements of the prior art can not readily be arranged compactly to a multi-pin connector in a housing.

Der Erfindung liegt daher die Aufgabe zu Grunde, ein Kontaktelement der eingangs genannten Art dahingehend auszubilden, dass ein bereits im Einsatz befindliches Kontaktelement problemlos mit der zuvor genannten Anschlusstechnik, sprich dem erfindungsgemäßen Anschlusselement ausgestattet werden kann, wobei mit dieser Verbindungstechnik mindestens vergleichbare Kontaktierungseigenschaften, wie Übergangswiderstände und Festsitz des elektrischen Leiters erreicht werden können.The invention is therefore based on the object to form a contact element of the type mentioned in that a contact element already in use can be easily equipped with the aforementioned connection technology, ie the connection element according to the invention, with at least comparable contacting properties, such as contact resistance with this connection technology and tight fit of the electrical conductor can be achieved.

Weitere Aufgabe der vorliegenden Erfindung ist es, ein Kontaktelement, welches über das erfindungsgemäße Anschlusselement verfügt und kompakt ausgebildet ist.Another object of the present invention is to provide a contact element which has the connection element according to the invention and is compact.

Die vorliegende Erfindung sieht zur Lösung der zuvor genannten Aufgaben ein Anschlusselement, gemäß Anspruch 1 und ein Kontaktelement gemäß Anspruch 8 vor.The present invention provides for solving the abovementioned objects, a connection element according to claim 1 and a contact element according to claim 8.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Erfindungsgemäß wird daher ein elektrisches Anschlusselement bereitgestellt, welches sich in ein Aufnahmeraum des erfindungsgemäßen Kontaktelementes einbringen lässt. Das elektrische Anschlusselement verfügt dabei über eine längliche Aussparung, zur Aufnahme eines Leiters und zur gleichzeitigen Kontaktierung des einzubringenden Leiters gegen die Innenwand des Kontaktelementes.According to the invention therefore an electrical connection element is provided, which can be introduced into a receiving space of the contact element according to the invention. The electrical connection element has an elongated recess, for receiving a conductor and for simultaneous contacting of the conductor to be introduced against the inner wall of the contact element.

Wird das erfindungsgemäße Anschlusselement in den Aufnahmeraum des Kontaktelementes eingebracht, so stützen sich die im wesentlichen zylindrisch angeordneten Federarme des Anschlusselementes gegen die Innenwand des Kontaktelementes im Aufnahmeraum ab. wodurch das Anschlusselement sicher mit dem Kontaktelement elektrisch und mechanisch verbunden ist.If the connecting element according to the invention is introduced into the receiving space of the contact element, then the essentially cylindrical spring arms of the connecting element are supported against the inner wall of the contact element in the receiving space. whereby the connection element is securely connected electrically and mechanically to the contact element.

Zwischen dem Schlitz des Anschlusselementes und der Innenwand des Kontaktelementes befindet sich eine Federzunge, die einen aufzunehmenden Leiter in der Position des Schlitzes gegen die Innenwand des Kontaktelementes drückt und dort abstützt.Between the slot of the connecting element and the inner wall of the contact element is a spring tongue which presses a male conductor in the position of the slot against the inner wall of the contact element and is supported there.

Dies macht auch eine weitere Aufgabe der vorliegenden Erfindung deutlich. Im Stand der Technik besteht bei vielen Anschlusselementen der Nachteil, dass die Kontaktgabe nur über einen Bruchteil der Anschlussgeometrie auf den Leiter erfolgt. Teilweise sind die Berührflächen so gering, dass die Stromtragfähigkeit unbefriedigend und unzureichend ist und bei Belastung erhebliche thermische Belastungen des Kontaktes auftreten. Es ist daher wünschenswert, die Verbindungspunkte zu maximieren und möglichst Verbindungsflächen zwischen dem anzuschließenden Leiter und dem Anschlusselement zu erzeugen, Idealerweise kommt es zu einer flächigen Anlage des Kontaktelementes mit dem anzuschließenden abisolierten Leiterbereich. Dies wird mit den Merkmalen des Anschlusselementes, gemäß Anspruch 1, gelöst. Ein besonderer Vorteil des erfindungsgemäßen Anschlusselemäntes besteht insbesondere darin, dass im Einsatz befindliche Steckverbindersysteme mit vorhandenen Crimp,- Schraub,- oder Lötkontakten problemlos durch erfindungsgemäße Anschlusskontakte ausgetauscht werden können, ohne das spezielles Werkzeug hierzu benötigt wird. Es ist lediglich erforderlich, dass Anschlusselement auf den entsprechenden Steckverbinder und damit Kontakityp anzupassen.This also makes a further object of the present invention clear. In the prior art, many connecting elements have the disadvantage that the contact is made only over a fraction of the connection geometry on the conductor. In some cases, the contact surfaces are so small that the current carrying capacity is unsatisfactory and inadequate, and considerable thermal stresses on the contact occur under load. It is therefore desirable to maximize the connection points and if possible to produce connection surfaces between the conductor to be connected and the connection element. Ideally, the contact element is applied flatly to the stripped conductor region to be connected. This is achieved with the features of the connection element according to claim 1. A particular advantage of the connection element according to the invention is, in particular, that plug-in connector systems in use with existing crimp, screw, or solder contacts can be easily exchanged for connection contacts according to the invention, without the need for special tools. It is only necessary to adapt the connection element to the corresponding connector and thus Kontakityp.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Weitere Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung des bevorzugten Ausführungsbeispiels im Zusammenhang mit den folgenden angefügten Zeichnungen, wobei die Zeichnung zeigt:

  • Fig. 1 eine perspektivische Darstellung des erfindungemäßen Anschlusselementes;
  • Fig. 2 eine perspektivische Darstellung des erfindungemäßen Anschlusselementes gemäß Fig. 1 in einer dazu gedrehten Ansicht;
  • Fig. 3 eine Ansicht von vorne auf das Anschlusselement gemäß Fig. 1;
  • Fig. 4 eine Schnittdarstellung gemäß der Schnittlinie A-A aus Fig. 3;
  • Fig. 5 eine Schnittansicht eines erfindungsgemäßen Kontaktelementes mit einem erfindungsgemäßem Anschlusselement gemäß Fig. 1 bis Fig. 4;
  • Fig. 6 eine Ansicht eines Kontaktelementes gemäß der Schnittlinie A-A, jedoch von der gegenüberliegenden Seite betrachtet.
An embodiment of the invention is illustrated in the drawing and will be explained in more detail below. Further advantages of the invention will become apparent from the following description of the preferred embodiment in conjunction with the following annexed drawings, in which:
  • Fig. 1 a perspective view of the erfindungemäßen connection element;
  • Fig. 2 a perspective view of the erfindungemäßen connection element according to Fig. 1 in a rotated view;
  • Fig. 3 a view from the front of the connection element according to Fig. 1 ;
  • Fig. 4 a sectional view according to the section line AA Fig. 3 ;
  • Fig. 5 a sectional view of a contact element according to the invention with a connecting element according to the invention according to Fig. 1 to Fig. 4 ;
  • Fig. 6 a view of a contact element according to the section line AA, but viewed from the opposite side.

In Fig. 1 bis Flg. 4 ist ein Ausführungsbeispiel eines elektrischen Anschlusselementes 2, gemäß der vorliegenden Erfindung gezeigt. Das Anschlusselement 2 ist geeignet zum Einbringen in ein Kontaktelement 1, gemäß Fig. 5. Das Anschlusselement 2 wird gebildet als im wesentliche zylinderförmige und rohrförmige Hülse 6. Die Form der rohrförmigen Hülse 6 ist vorzugsweise der Aufnahmegeometrie eines Aufnahmeraums 4 eines Kontaktelementes 1 angepasst.In Fig. 1 to Flg. 4 is an embodiment of an electrical connection element 2, shown according to the present invention. The connection element 2 is suitable for introduction into a contact element 1, according to FIG Fig. 5 , The connecting element 2 is formed as a substantially cylindrical and tubular sleeve 6. The shape of the tubular sleeve 6 is preferably adapted to the receiving geometry of a receiving space 4 of a contact element 1.

Mit Vorteil ist die Geometrie rohrförmig oder zumindest im wesentlichen rohrförmig ausgebildet, wie dies in den Fig. 1 bis 3 dargestellt ist. Die Hülse 6 selbst ist gebildet durch zwei paarweise gegenüberliegenden Federarme 5a, 5b, die unterbrochen werden durch einen Schlitz 8, der sich über die gesamte Höhe der Hülse 6 erstreckt. Dadurch wird ein im wesentlichen offene und federnde Hülse 6 erhalten, die dadurch klemmend in den Aufnahmeraum 4 des Kontaktelementes 1 eingeführt werden kann und sich mit der Außenseite der Federarme 5a, 5b an der Innenseite 13 des Aufnahmeraums 4 des Kontaktelementes 1 abstützen kann und dort klemmend gehalten wird. Zusätzlich kann an mindestens einem der Federarme 5a, 5b ein Rasthaken 10 angeordnet werden. Der Rasthaken 10 ist aus einer der Seitenwände der Hülse 6 nämlich dem Federarm 5b in Fig. 2 so federnd ausgestanzt und mit einer nach Außen gerichteten Haltenase 15 versehen.Advantageously, the geometry is tubular or at least substantially tubular, as in the Fig. 1 to 3 is shown. The sleeve 6 itself is formed by two pairs opposite spring arms 5a, 5b, which are interrupted by a slot 8 which extends over the entire height of the sleeve 6. As a result, a substantially open and resilient sleeve 6 is obtained, which can be introduced by clamping into the receiving space 4 of the contact element 1 and can be supported with the outside of the spring arms 5a, 5b on the inside 13 of the receiving space 4 of the contact element 1 and there clamping is held. In addition, a latching hook 10 can be arranged on at least one of the spring arms 5a, 5b. The latching hook 10 is from one of the side walls of the sleeve 6 namely the spring arm 5b in Fig. 2 stamped so resilient and provided with an outwardly directed retaining lug 15.

Wie in Fig. 2 deutlich zu erkennen, befindet sich auf einer Seite der Hülse 6, nämlich vorzugsweise auf der gegenüberliegenden Seite des Schlitzes 8 an der Hülse 6 eine Federzunge 9, die sich in den Innenraum der Hülse 6 zwischen die Federarme 5a, 5b erstreckt. Dadurch erhält das erfindungsgemäße Anschlusselement 2 eine solche Kontur, dass es sich, wie später bei Fig. 5 erläutert, nach Einbringen eines elektrischen Leiters 16 einerseits an der Innenwand beziehungsweise der Innenseite des Aufnahmeraums 13 abstützt und andererseits den abisolierten Teil des Leiters 16 gegen die Innenseite 13 des Kontaktelementes 1 im Bereich des Aufnahmeraums 4 drückt und dadurch eine guteAs in Fig. 2 clearly visible, located on one side of the sleeve 6, namely preferably on the opposite side of the slot 8 on the sleeve 6, a spring tongue 9, which extends into the interior of the sleeve 6 between the spring arms 5a, 5b. As a result, the connecting element 2 according to the invention receives such a contour that it, as later in Fig. 5 explained after insertion of an electrical conductor 16 on the one hand on the inner wall or the inside of the receiving space 13 is supported and on the other hand pushes the stripped portion of the conductor 16 against the inner side 13 of the contact element 1 in the region of the receiving space 4 and thereby a good

Kontaktgabe zwischen dem anzuschließenden elektrischen Leiter 16 und dem Kontaktelement 1 erreicht wird.Contact between the electrical conductor 16 to be connected and the contact element 1 is achieved.

Die Federarme 5a, 5b sind mittels Stegen und zwar Verbindungsstegen 11a, 11b miteinander verbunden.The spring arms 5a, 5b are connected to one another by means of webs, namely connecting webs 11a, 11b.

Die Federzunge 9 wird vorzugsweise aus der Hülse 6 derart ausgestanzt, dass ein Arm, und zwar der feste angelenkte Arm der Federzunge 9, an einem der Verbindungsstege 11 a, 11 b befestigt ist und sich die Federzunge mit ihrem freien Ende in Richtung des Schlitzes 8 auf der gegenüberliegenden Seite der Hülse hin erstreckt und zwar in den Innenraum hinein. Die Federzunge 9 kann beim Einschieben eines elektrischen Leiters 16 in Richtung der Ausnehmung 7 ausfedern und den elektrischen Leiter 16 mit seinem abisolierten Bereich klemmend im Aufnahmeraum 4 des Kontaktelementes 1 halten, so wie dies deutlich in Fig. 5 und Fig. 6 gezeigt ist.The spring tongue 9 is preferably punched out of the sleeve 6 such that an arm, namely the fixed articulated arm of the spring tongue 9, on one of the connecting webs 11 a, 11 b is fixed and the spring tongue with its free end in the direction of the slot. 8 extends on the opposite side of the sleeve and that in the interior. The spring tongue 9 can rebound when inserting an electrical conductor 16 in the direction of the recess 7 and hold the electrical conductor 16 with its stripped area clamping in the receiving space 4 of the contact element 1, as clearly in Fig. 5 and Fig. 6 is shown.

Fig. 5 stellt ein Kontaktelement 1 mit einem Steckberelch 3 und einem Aufnahmeraum 4 dar. In dem Aufnahmeraum 4 ist ein Anschlusselement 2, in welches ein elektrischer Leiter 16 eingeschoben ist. Fig. 5 represents a contact element 1 with a Steckel 3 and a receiving space 4. In the receiving space 4 is a connection element 2, in which an electrical conductor 16 is inserted.

Fig. 6 ist eine von der gegenüberliegenden Schnittseite, gemäß der Schnittlinie A-A aus Fig. 3 betrachteten Ansicht, dargestellt. In der Wand 12 im Bereich des Aufnahmeraums 4 des Kontaktelements 1, befindet sich ein Wanddurchbruch 14. Der zuvor genannte Rasthaken 10 mit seiner Haltenase 15 kann durch die federnde Ausgestaltung der Hülse 6 beim Einschieben des Anschlusselementes 2 in das Kontaktelement 3 beziehungsweise in den Aufnahmeraum 4 mit der Haltenase 15 lösbar am Wanddurchbruch 14 befestigt werden. Hierdurch besteht die Möglichkeit der Entriegelung von Außen, in dem mit einem beliebigen spritzen Gegenstand die Haltenase 15 am Wanddurchbruch 14 freigelegt wird und dadurch das Anschlusselement 2 aus dem Kontaktelement 1 entfernbar ist. Hierdurch entsteht ein wiederanschlussbares Kontaktelement 1. Fig. 6 is one from the opposite side cut, according to the section line AA Fig. 3 viewed view represented. In the wall 12 in the region of the receiving space 4 of the contact element 1, there is a wall opening 14. The aforementioned latching hook 10 with its retaining lug 15 can by the resilient configuration of the sleeve 6 during insertion of the connection element 2 in the contact element 3 and in the receiving space. 4 be fixed with the retaining lug 15 releasably on the wall opening 14. As a result, there is the possibility of unlocking from the outside, in which with any spraying object the retaining lug 15 is exposed on the wall opening 14 and thereby the connection element 2 from the contact element 1 is removable. This results in a reconnectable contact element. 1

In einer anderen Ausführungsform der Erfindung könnten die Federarme 5a, 5b auch quer geschnitzt zu dem Schlitz 8 ausgebildet sein, wodurch unterschiedliche Radien im Bereich des Hülsendurchmessers der Hülse 6 ausbildbar sind und dadurch belspielsweise die Kraft mit der das erfindungsgemäße Anschlusselement 2 in einen Aufnahmeraum 4 eines Kontaktelementes 1 einbringbar ist, skalierbar wäre und entsprechend einstellbar.In another embodiment of the invention, the spring arms 5a, 5b could also be formed transversely to the slot 8, whereby different radii in the region of the sleeve diameter of the sleeve 6 can be formed and thereby belspielsweise the force with the connection element 2 of the invention in a receiving space 4 of Contact element 1 can be introduced, would be scalable and correspondingly adjustable.

BezugszeichenlisteLIST OF REFERENCE NUMBERS Elektrisches AnschlusselementElectrical connection element

11
Kontaktelementcontact element
22
Anschlusselementconnecting element
33
Steckbereichplug-in region
44
Aufnahmeraumaccommodation space
5a, 5b5a, 5b
Federarmespring arms
66
Hülseshell
77
Ausnehmungrecess
88th
Schlitzslot
99
Federzungespring tongue
1010
Rasthakenlatch hook
11a, 11b11a, 11b
Verbindungsstegeconnecting webs
1212
Wandwall
1313
Innenseite des AufnahmeraumsInside of the recording room
1414
WanddurchbruchWall opening
1515
Haltenaseretaining nose
1616
Elektrischer LeiterElectrical conductor

Claims (10)

Elektrisches Anschlusselement (2) zum klemmenden und wieder lösbaren Anschluss eines elektrischen Leiters (16), dadurch gekennzeichnet, dass mindestens ein Federarm (5a, 5b) zur klemmenden Befestigung des Anschlusselementes (2) in einem Aufnahmeraum (4) eines Kontaktelementes (1) am Anschlusselement (2) federnd angeordnet ist.Electrical connection element (2) for the clamping and releasable connection of an electrical conductor (16), characterized in that at least one spring arm (5a, 5b) for clamping attachment of the connection element (2) in a receiving space (4) of a contact element (1) on Connection element (2) is arranged resiliently. Elektrisches Anschlusselement (2) gemäß Anspruch 1, dadurch gekennzeichnet, dass das Anschlusselement (2) im wesentlichen als rohrförmige oder zylinderförmige Hülse (6) ausgebildet ist.Electrical connection element (2) according to claim 1, characterized in that the connection element (2) is designed substantially as a tubular or cylindrical sleeve (6). Elektrisches Anschlusselement (2) gemäß Anspruch 2, dadurch gekennzeichnet, dass das Anschlusselement (2) über einen durchlaufenden Schlitz (8) über die gesamte Höhe der rohrförmigen Hülse (6) unter Bildung von zwei Federarmen (5a, 5b) verfügt.Electrical connection element (2) according to claim 2, characterized in that the connection element (2) has a continuous slot (8) over the entire height of the tubular sleeve (6) to form two spring arms (5a, 5b). Elektrisches Anschlusselement (2) gemäß Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Federarme (5a, 5b) zur klemmenden Montage in einem Aufnahmeraum (4) eines Kontaktelementes (1) ausgebildet sind.Electrical connection element (2) according to claim 2 or 3, characterized in that the spring arms (5a, 5b) for clamping mounting in a receiving space (4) of a contact element (1) are formed. Elektrisches Anschlusselement (2) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens ein Federarm (5a, 5b) mit einem Rasthaken (10) versehen ist, welcher federnd im Bereich des mindestens einen Federarms (5a, 5b) angeordnet ist und der Rasthaken (10) Ober eine Haltenase (15) verfügt, welche nach Außen über die Außenkontur der Hülse (6) hinausragt.Electrical connection element (2) according to one of the preceding claims, characterized in that at least one spring arm (5a, 5b) is provided with a latching hook (10) which is resiliently arranged in the region of the at least one spring arm (5a, 5b) and the latching hook (10) Has a retaining lug (15), which projects beyond the outer contour of the sleeve (6) to the outside. Elektrisches Anschlusselement (2) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Federzunge (9) sich in den Innenraum der Hülse (6) erstreckt und zwar mit ihrem freien Ende in Richtung des Schlitzes (8).Electrical connection element (2) according to one of the preceding claims, characterized in that a spring tongue (9) extends into the interior of the sleeve (6) with its free end in the direction of the slot (8). Elektrisches Anschlusselement (2) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Federzunge (9) als integraler Teil aus der Hülse (6) unter Bildung einer Ausnehmung (7) ausgestanzt ist und die beiden Federarme (5a, 5b) und die diese verbindenden Stege (11a, 11b) die Ausnehmung (7) formen,Electrical connection element (2) according to one of the preceding claims, characterized in that the spring tongue (9) is punched out as an integral part of the sleeve (6) to form a recess (7) and the two spring arms (5a, 5b) and these connecting webs (11a, 11b) form the recess (7), Kontaktelement (1) mit einem Aufnahmeraum (4) zur Aufnahme eines Anschlusselementes (2) gemäß einem der Ansprüche 1 bis 7.Contact element (1) with a receiving space (4) for receiving a connection element (2) according to one of claims 1 to 7. Kontaktelement (1) gemäß Anspruch 8, dadurch gekennzeichnet, dass das Kontaktelement (1) einen Wanddurchbruch (14) in der Wand (12) im Bereich des Aufnahmeraums (4) aufweist, an der sich der Rasthaken (10) des Anschlusselementes (2) verrasten kann und zwar lösbar und von Außen bedienbar.Contact element (1) according to claim 8, characterized in that the contact element (1) has a wall opening (14) in the wall (12) in the region of the receiving space (4) on which the latching hook (10) of the connecting element (2) can lock and releasably and externally operable. Kontaktelement (1) gemäß Anspruch 8 oder 9, umfassend ein Anschlusselement (2) gemäß einem der Ansprüche 1 bis 7.Contact element (1) according to claim 8 or 9, comprising a connection element (2) according to one of claims 1 to 7.
EP09006530.1A 2008-06-11 2009-05-14 Electric connecting element Active EP2133956B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008027801A DE102008027801A1 (en) 2008-06-11 2008-06-11 Electrical connection element

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EP2133956A2 true EP2133956A2 (en) 2009-12-16
EP2133956A3 EP2133956A3 (en) 2011-01-05
EP2133956B1 EP2133956B1 (en) 2014-03-26

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EP3142192A1 (en) * 2015-09-14 2017-03-15 Wieland Electric GmbH Spring force connection
WO2019092203A1 (en) * 2017-11-09 2019-05-16 Amphenol-Tuchel Electronics Gmbh Contact element comprising a clamping terminal for a stranded conductor

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GB377160A (en) 1930-01-13 1932-07-21 British Thomson Houston Co Ltd Improvements in and relating to terminals for conductors
DE828563C (en) 1950-12-03 1952-01-24 Schoeller & Co Elektrotech Screw- and solder-free electrical connection terminal
DE19914308A1 (en) 1998-06-23 1999-12-30 Phoenix Contact Gmbh & Co Electrical connector for insulated or stripped wire
DE20119530U1 (en) 2001-12-01 2002-04-18 HARTING Electric GmbH & Co. KG, 32339 Espelkamp Electrical contact element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3142192A1 (en) * 2015-09-14 2017-03-15 Wieland Electric GmbH Spring force connection
WO2019092203A1 (en) * 2017-11-09 2019-05-16 Amphenol-Tuchel Electronics Gmbh Contact element comprising a clamping terminal for a stranded conductor

Also Published As

Publication number Publication date
EP2133956B1 (en) 2014-03-26
DE102008027801A1 (en) 2009-12-24
EP2133956A3 (en) 2011-01-05

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