EP1286419B1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
EP1286419B1
EP1286419B1 EP02015884A EP02015884A EP1286419B1 EP 1286419 B1 EP1286419 B1 EP 1286419B1 EP 02015884 A EP02015884 A EP 02015884A EP 02015884 A EP02015884 A EP 02015884A EP 1286419 B1 EP1286419 B1 EP 1286419B1
Authority
EP
European Patent Office
Prior art keywords
contact
plug connector
contacts
connector according
channels
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.)
Expired - Lifetime
Application number
EP02015884A
Other languages
German (de)
French (fr)
Other versions
EP1286419A2 (en
EP1286419A3 (en
Inventor
Helmut Fuchs
Wolfgang Conrad
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.)
Lumberg Automation Components GmbH and Co KG
Original Assignee
Lumberg Automation Components GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lumberg Automation Components GmbH and Co KG filed Critical Lumberg Automation Components GmbH and Co KG
Publication of EP1286419A2 publication Critical patent/EP1286419A2/en
Publication of EP1286419A3 publication Critical patent/EP1286419A3/en
Application granted granted Critical
Publication of EP1286419B1 publication Critical patent/EP1286419B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/112Resilient sockets forked sockets having two legs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00Electrical connectors
    • Y10S439/901Connector hood or shell
    • Y10S439/902Angularly disposed contact and conductor

Definitions

  • the invention relates to an electrical connector, in particular for sensor technology, with a contact carrier made of insulating material, with contact channels for receiving individual contacts, furthermore with a grip body connected to the contact carrier and a with electrical components, in particular LED, equipped printed circuit board with platinum openings for contacting with the contacts on the one hand, on the other hand, each with a wire of an electrical Connecting line are connected, according to the preamble of the claim 1.
  • Connectors of this type are available in various designs known.
  • the integrated in the connector electrical components are part of a circuit that helps in particular Function and operating state should be displayed. Serve this purpose different LEDs as signal displays.
  • the printed circuit board with their components in a handle body of translucent or transparent plastic, commonly referred to as Encapsulation of the contact carrier or the handle body is formed.
  • DE 42 22 685 C2 discloses, from the present Invention assumes a connector in which the connection the contacts with the circuit board and the connection of the conductor wires already simplified to the contacts are executed.
  • the rear portions of the contacts as insulation displacement forks in which the wire ends after bending by 90 ° from their in the connector opening direction are pressed, wherein the insulation displacement forks are the Isolierumhüllung the wire ends cut and dig into the veins, with what a mechanically and electrically reliable connection is made.
  • the printed circuit board with its plated-through platinum openings on the lead terminal side insulation displacement contact ends the contacts pressed on.
  • the preassembled module overmoulded with a thermoplastic material.
  • the object of the present invention is a further simplification and improvement of a connector of the initially assumed Art.
  • the invention solves this problem with the features of Claim 1 and is accordingly characterized in that in the contact carrier or in the handle body a receptacle for the printed circuit board is formed, in their position-appropriate position, the platinum openings aligned with the contact channels that the wires on the run away from the contact channels side of the circuit board and that every contact backward one the board breaks has sweeping section, whose end as a tip to penetrate is formed in a strand of the wire.
  • This embodiment of the invention leads to a series advantages or possibilities of useful further education.
  • the Assembly of the connector is simplified insofar as the Strands without bending only to be inserted into core channels need.
  • the contacts the first the platinum breakthroughs of pass through in the recess positionally held printed circuit board and only then intervene in the wire strands, provide for a very secure prefixing of all components before they together to be overmoulded.
  • the platinum breakthrough cross sections of the Contacts are advantageously in the sense of stable mechanical as also electrical connection equipped with an elastic press-fit zone, via which the contacts with the soffit of the through-contacted Platinum breakthroughs a force or clamping connection received.
  • the handle body one-piece cohesive component of the contact carrier and has Channels for inserting insulated leads of the connecting lead, the traverse the contact channels in the contact carrier. Furthermore, it is advantageous if the contacts from an ineffective position within the Contact channels are displaceable in a contact position in which the indenting tip is located in the strand held in the vein channel.
  • handle body and contact carrier gives the particular advantage that in the course of assembly the connector no special handle body is more form.
  • the electrical contact by moving the contacts in the Contact channels result in a very simple way the Eindringpitzen the contacts penetrate into the respective cores soul and can make contact.
  • the Handle body includes a large cross-section funnel with to Core channels leading conductor insertion bevels. This makes it possible The strands of a multicore cable by hand to quite simple Way to "thread" in the contact carrier, whereupon the strands their Find a way to its intended destination by itself, because they are safe and reliable along the funnel surfaces be guided
  • a generally designated 10 connector includes First, a contact carrier 11, where appropriate, a union nut 12 (Fig. 4 and 5) is rotatably mounted, and a handle body 13.
  • the contact carrier 11 forms with the handle body 13 at Embodiment a material unit material-cohesive component out. This component is numbered 18 in its entirety and will hereinafter referred to as base body.
  • Each contact channel 17 serves to receive a contact 16, the executed in the illustrated embodiment as a fork contact is, however, e.g. could also be a tube contact.
  • each contact 16 At the rear or inner end of each contact 16 is a per se known Eindringspitze 28 formed, which penetrate the Isolierumhüllung a vein 14 and to penetrate into their soul (Litz) is determined. In an area behind the indenting tip 28 is in each case a spreading spring acting, known per se elastic Press-in zone 28 is formed.
  • the handle body 13 Due to the configuration of the handle body 13 as a sleeve component the handle body 13 has a relatively large internal cavity 19 on.
  • This cavity 19 forms the conductor connection side a large cross-section funnel with inclined surfaces 20, which as Aderein Industriesschrägvid serve, if in each case a wire 14 in one their associated vein channel 34 is inserted.
  • the Pole number of the connector is a corresponding number of such Core channels provided in the base body 18.
  • a pocket-like receptacle 25 one from the front of the base body 18 ago heriebende printed circuit board 22 receives and montage perfume Holding position.
  • the contacts 11 are in an inoperative position within the respective guide channel 17 is located.
  • These are not in the figures shown position is characterized in that the Eindringpitze 27 not yet or not essential from the guide channel 17 after inside (i.e., upward with respect to the figure).
  • the assembly of the connector 10 now begins so that the printed circuit board 22 in the receptacle 25 in the base body 18th is inserted.
  • her montagerober position in her provided through-contacted platinum openings 24 (see Fig. 2 to 4) with the longitudinal center axis of the Eindringpitze 27 and the elastic Press-in zone 28 is aligned.
  • a viewing window 30 through which one Functional state of located on the printed circuit board 22 LED 23rd (other components are labeled 32 and 33) can recognize.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Description

Die Erfindung betrifft einen elektrischen Steckverbinder, insbesondere für die Sensortechnik, mit einem Kontaktträger aus Isolierstoff, mit Kontaktkanälen zur Aufnahme einzelner Kontakte, ferner mit einem mit dem Kontaktträger verbundenen Griffkörper sowie einer mit elektrischen Bauelementen, insbesondere LED, bestückten Leiterplatine mit Platinendurchbrüchen zur Kontaktierung mit den Kontakten einerseits, die andererseits mit jeweils einer Ader einer elektrischen Anschlussleitung verbunden sind, nach dem Oberbegriff des Patentanspruchs 1.The invention relates to an electrical connector, in particular for sensor technology, with a contact carrier made of insulating material, with contact channels for receiving individual contacts, furthermore with a grip body connected to the contact carrier and a with electrical components, in particular LED, equipped printed circuit board with platinum openings for contacting with the contacts on the one hand, on the other hand, each with a wire of an electrical Connecting line are connected, according to the preamble of the claim 1.

Steckverbinder dieser Art sind in verschiedenen Ausführungen bekannt. Die in den Steckverbinder integrierten elektrischen Bauelemente sind Bestandteil einer Schaltung, mit deren Hilfe insbesondere Funktion und Betriebszustand angezeigt werden sollen. Hierzu dienen verschiedene LED als Signalanzeigen. Damit man das von ihnen abgestrahlte Licht von außen erkennen kann, ist die Leiterplatine mit ihren Bauelementen in einen Griffkörper aus transluzentem oder transparenten Kunststoff eingeschlossen, der üblicherweise als Umspritzung des Kontaktträgers oder des Griffkörpers ausgebildet ist.Connectors of this type are available in various designs known. The integrated in the connector electrical components are part of a circuit that helps in particular Function and operating state should be displayed. Serve this purpose different LEDs as signal displays. To get that from them can detect radiated light from the outside, is the printed circuit board with their components in a handle body of translucent or transparent plastic, commonly referred to as Encapsulation of the contact carrier or the handle body is formed.

Bei einem herkömmlichen, druckschriftlich nicht belegbaren, durch offenkundige Vorbenutzung bekannten Steckverbinder (vgl. auch Fig. 2 von DE 42 22 685 C2 und zugehörige Beschreibung) weisen die Kontakte rückseitig Lötfüßchen auf, die in herkömmlicher Art mit Leiterbahnen der Leiterplatine verlötet sind. Die abisolierten Enden der Adern der elektrischen Leitung sind mit den jeweiligen Kontakten entweder ebenfalls durch Löten verbunden oder im Wege einer Crimpverbindung an die Kontakte angeschlossen. Beide Verbindungsarten und auch das Verlöten der Leiterplatine mit den Kontakten ist relativ aufwendig. In a conventional, not written, by known prior use known connector (see. Also Fig. 2 of DE 42 22 685 C2 and associated description) have the contacts on the back Lötfüßchen, which in conventional Type are soldered to tracks of the circuit board. The stripped Ends of the wires of the electric wire are with the respective ones Contacts either also connected by soldering or in the way a Crimpverbindung connected to the contacts. Both connection types and also soldering the printed circuit board to the contacts is relatively expensive.

Dem gegenüber offenbart die DE 42 22 685 C2, von der die vorliegende Erfindung ausgeht, einen Steckverbinder, bei dem die Verbindung der Kontakte mit der Leiterplatte und der Anschluss der Leiteradern an die Kontakte bereits vereinfacht ausgeführt sind. Hier sind die rückwärtigen Abschnitte der Kontakte als Schneidklemmgabeln ausgeführt, in die die Aderenden nach Abwinklung um 90° aus ihrer in den Steckverbinder einmündenden Richtung eingepresst werden, wobei die Schneidklemmgabeln die Isolierumhüllung der Aderenden durchtrennen und sich in die Aderseelen eingraben, womit eine mechanisch und elektrisch zuverlässige Verbindung hergestellt wird. Daraufhin wird die Leiterplatine mit ihren durchkontaktierten Platinendurchbrüchen auf die leiteranschlussseitigen Schneidklemmkontaktenden der Kontakte aufgepresst. Zuletzt wird die vormontierte Baugruppe mit einem thermoplastischen Material umspritzt.On the other hand, DE 42 22 685 C2 discloses, from the present Invention assumes a connector in which the connection the contacts with the circuit board and the connection of the conductor wires already simplified to the contacts are executed. Here are the rear portions of the contacts as insulation displacement forks in which the wire ends after bending by 90 ° from their in the connector opening direction are pressed, wherein the insulation displacement forks are the Isolierumhüllung the wire ends cut and dig into the veins, with what a mechanically and electrically reliable connection is made. Then the printed circuit board with its plated-through platinum openings on the lead terminal side insulation displacement contact ends the contacts pressed on. Finally, the preassembled module overmoulded with a thermoplastic material.

Dieser Steckverbinder ist gegenüber dem einleitend beschriebenen Stand der Technik insbesondere insofern vorteilhaft, als alle Verbindungen als reine Steckverbindungen ausgeführt sind, die keine Lötvorgänge mehr erfordern.This connector is described with respect to the introductory State of the art in particular advantageous in that all compounds are designed as pure plug-in connections, no soldering require more.

Aufgabe der vorliegenden Erfindung ist eine weitere Vereinfachung und Verbesserung eines Steckverbinders der eingangs vorausgesetzten Art.The object of the present invention is a further simplification and improvement of a connector of the initially assumed Art.

Die Erfindung löst diese Aufgabe mit den Merkmalen des Anspruchs 1 und ist dem entsprechend dadurch gekennzeichnet, dass im Kontaktträger oder im Griffkörper eine Aufnahme für die Leiterplatine ausgebildet ist, in deren positionsgerechter Lage die Platinendurchbrüche mit den Kontaktkanälen fluchten, dass die Adern auf der den Kontaktkanälen abgewandten Seite der Leiterplatine verlaufen und dass jeder Kontakt rückwärtig einen die Platinendurchbrüche durchgreifenden Abschnitt aufweist, dessen Ende als Spitze zum Eindringen in eine Litze der Ader ausgebildet ist. The invention solves this problem with the features of Claim 1 and is accordingly characterized in that in the contact carrier or in the handle body a receptacle for the printed circuit board is formed, in their position-appropriate position, the platinum openings aligned with the contact channels that the wires on the run away from the contact channels side of the circuit board and that every contact backward one the board breaks has sweeping section, whose end as a tip to penetrate is formed in a strand of the wire.

Diese erfindungsgemäße Ausgestaltung führt zu einer Reihe von Vorteilen bzw. zu Möglichkeiten sinnvoller Weiterbildungen. Die Konfektionierung des Steckverbinders ist insoweit vereinfacht, als die Litzen ohne Abwinklung lediglich in Aderkanäle eingeschoben zu werden brauchen. Die Kontakte, die zunächst die Platinendurchbrüche der in der Ausnehmung positionsgerecht gehaltenen Leiterplatine durchgreifen und erst danach in die Aderlitzen eingreifen, sorgen für eine sehr sichere Vorfixierung aller Bauteile, bevor diese gemeinsam umspritzt werden.This embodiment of the invention leads to a series advantages or possibilities of useful further education. The Assembly of the connector is simplified insofar as the Strands without bending only to be inserted into core channels need. The contacts, the first the platinum breakthroughs of pass through in the recess positionally held printed circuit board and only then intervene in the wire strands, provide for a very secure prefixing of all components before they together to be overmoulded.

Die die Platinendurchbrüche durchgreifenden Abschnitte der Kontakte sind vorteilhafter Weise im Sinne stabiler mechanischer wie auch elektrischer Verbindung mit einer elastischen Einpresszone ausgerüstet, über die die Kontakte mit der Laibung der durchkontaktierten Platinendurchbrüche eine kraft- bzw. klemmschlüssige Verbindung eingehen.The platinum breakthrough cross sections of the Contacts are advantageously in the sense of stable mechanical as also electrical connection equipped with an elastic press-fit zone, via which the contacts with the soffit of the through-contacted Platinum breakthroughs a force or clamping connection received.

In weiterer Ausgestaltung der Erfindung ist der Griffkörper einstückig-stoffschlüssiger Bestandteil des Kontaktträgers und weist Kanäle zum Einstecken isolierter Litzen der Anschlussleitung auf, die die Kontaktkanäle im Kontaktträger queren. Ferner ist es vorteilhaft, wenn die Kontakte von einer unwirksamen Stellung innerhalb des Kontaktkanals in eine Kontaktstellung verschiebbar sind, in der sich die Eindringspitze in der im Aderkanal bereitgehaltenen Litze befindet.In a further embodiment of the invention, the handle body one-piece cohesive component of the contact carrier and has Channels for inserting insulated leads of the connecting lead, the traverse the contact channels in the contact carrier. Furthermore, it is advantageous if the contacts from an ineffective position within the Contact channels are displaceable in a contact position in which the indenting tip is located in the strand held in the vein channel.

Die einstückige Ausbildung von Griffkörper und Kontaktträger ergibt insbesondere den Vorteil, dass im Zuge der Konfektionierung des Steckverbinders kein besonderer Griffkörper mehr anzuformen ist. Die elektrische Kontaktierung durch Verschieben der Kontakte in den Kontaktkanälen hat zur Folge, dass auf sehr einfache Weise die Eindringspitzen der Kontakte in die jeweilige Aderseele eindringen und den Kontakt herstellen können. The one-piece design of handle body and contact carrier gives the particular advantage that in the course of assembly the connector no special handle body is more form. The electrical contact by moving the contacts in the Contact channels result in a very simple way the Eindringpitzen the contacts penetrate into the respective cores soul and can make contact.

Gemäß einer bevorzugten Weiterbildung ist es im Sinne einfach durchzuführender Konfektionierung weiterhin vorteilhaft, wenn der Griffkörper einen großquerschnittigen Trichter umfasst mit zu den Aderkanälen führenden Leitereinführ-Schrägflächen. Damit ist es möglich, die Litzen eines mehradrigen Kabels von Hand auf ganz einfache Weise in den Kontaktträger "einzufädeln", worauf hin die Litzen ihren Weg praktisch von selbst an ihren bestimmungsgemäßen Ort finden, weil sie entlang der Trichterflächen sicher und zuverlässig dorthin geführt werdenAccording to a preferred embodiment, it is simple in the sense To be carried out confectioning further advantageous if the Handle body includes a large cross-section funnel with to Core channels leading conductor insertion bevels. This makes it possible The strands of a multicore cable by hand to quite simple Way to "thread" in the contact carrier, whereupon the strands their Find a way to its intended destination by itself, because they are safe and reliable along the funnel surfaces be guided

Sonstige zweckmäßige Ausführungen und weitere vorteilhafte Merkmale ergeben sich auch aus den nicht zitierten Unteransprüchen sowie aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der beiliegenden Zeichnungen. Es zeigen:

Fig. 1
eine teilweise längs geschnittene Explosionsdarstellung der wesentlichen Einzelteile eines Steckverbinders entsprechend der Erfindung,
Fig. 2
eine entsprechende Darstellung des teilweise konfektionierten Steckverbinders,
Fig. 3
eine entsprechende Darstellung des fertig konfektionierten Steckverbinders,
Fig. 4
einen Querschnitt durch den bis auf die noch folgende Umspritzung fertigen Steckverbinder etwa in Richtung der dortigen Schnittlinie IV-IV nach Fig. 3,
Fig. 5
eine Seitenansicht des fertig konfektionierten Steckverbinders, und
Fig. 6
eine Draufsicht auf den fertig konfektionierten Steckverbinder.
Other useful embodiments and further advantageous features will become apparent from the non-cited subclaims and from the following description of a preferred embodiment with reference to the accompanying drawings. Show it:
Fig. 1
a partially longitudinal sectional exploded view of the essential parts of a connector according to the invention,
Fig. 2
a corresponding representation of the partially assembled connector,
Fig. 3
a corresponding representation of the ready-made connector,
Fig. 4
a cross section through the finished to the following encapsulation plug connector approximately in the direction of the local section line IV-IV of FIG. 3,
Fig. 5
a side view of the ready-made connector, and
Fig. 6
a plan view of the ready-made connector.

Ein insgesamt mit 10 bezeichneter Steckverbinder umfasst zunächst einen Kontaktträger 11, auf dem gegebenenfalls eine Überwurfmutter 12 (Fig. 4 und 5) drehbar gelagert ist, sowie einen Griffkörper 13. Der Kontaktträger 11 bildet mit dem Griffkörper 13 beim Ausführungsbeispiel ein werkstoffeinheitlich-stoffschlüssiges Bauteil aus. Dieses Bauteil ist in seiner Gesamtheit mit 18 beziffert und wird nachfolgend als Basiskörper bezeichnet.A generally designated 10 connector includes First, a contact carrier 11, where appropriate, a union nut 12 (Fig. 4 and 5) is rotatably mounted, and a handle body 13. The contact carrier 11 forms with the handle body 13 at Embodiment a material unit material-cohesive component out. This component is numbered 18 in its entirety and will hereinafter referred to as base body.

Der zur Steckseite weisende Abschnitt des Basiskörpers 18 bildet den Kontaktträger 11 mit zueinander parallelen Kontaktkanälen 17 aus. Jeder Kontaktkanal 17 dient zur Aufnahme eines Kontakts 16, der beim dargestellten Ausführungsbeispiel als Gabelkontakt ausgeführt ist, jedoch z.B. auch ein Röhrchenkontakt sein könnte.The side facing the plug side of the base body 18 forms the contact carrier 11 with mutually parallel contact channels 17th out. Each contact channel 17 serves to receive a contact 16, the executed in the illustrated embodiment as a fork contact is, however, e.g. could also be a tube contact.

Am rückwärtigen oder inneren Ende jedes Kontakts 16 ist eine an sich bekannte Eindringspitze 28 angeformt, die zum Durchdringen der Isolierumhüllung einer Ader 14 und zum Eindringen in deren Seele (Litze) bestimmt ist. In einem Bereich hinter der Eindringspitze 28 ist jeweils eine spreizfederartig wirkende, an sich bekannte elastische Einpresszone 28 ausgebildet.At the rear or inner end of each contact 16 is a per se known Eindringspitze 28 formed, which penetrate the Isolierumhüllung a vein 14 and to penetrate into their soul (Litz) is determined. In an area behind the indenting tip 28 is in each case a spreading spring acting, known per se elastic Press-in zone 28 is formed.

Zum rückwärtigen Ende des Steckverbinders 10 hin schließt sich als zweiter Abschnitt des Basiskörpers 18 der Griffkörper 13 an. Er ist als relativ dünnwandiges Hülsenbauteil ausgebildet. Der Außendurchmesser dieses Abschnitts entspricht, abgesehen von möglichen Abwandlungen, im wesentlichen dem Außendurchmesser eines auf herkömmliche Weise durch Umspritzung erzeugten Griffkörpers 13.Close to the rear end of the connector 10 out As a second portion of the base body 18 of the handle body 13 at. It is designed as a relatively thin-walled sleeve component. The outer diameter this section is the same as possible Modifications, essentially the outside diameter of one conventional manner produced by encapsulation grip body 13th

Aufgrund der Ausgestaltung des Griffkörpers 13 als Hülsenbauteil weist der Griffkörper 13 einen relativ großvolumigen inneren Hohlraum 19 auf. Dieser Hohlraum 19 bildet zur Leiteranschlussseite hin einen großquerschnittigen Trichter aus mit Schrägflächen 20, die als Adereinführschrägflächen dienen, wenn jeweils eine Ader 14 in einen ihr zugeordneten Aderkanal 34 eingeschoben wird. Entsprechend der Polzahl des Steckverbinders ist eine entsprechende Anzahl solcher Aderkanäle im Basiskörper 18 vorgesehen.Due to the configuration of the handle body 13 as a sleeve component the handle body 13 has a relatively large internal cavity 19 on. This cavity 19 forms the conductor connection side a large cross-section funnel with inclined surfaces 20, which as Adereinführschrägflächen serve, if in each case a wire 14 in one their associated vein channel 34 is inserted. According to the Pole number of the connector is a corresponding number of such Core channels provided in the base body 18.

In diesem Zusammenhang sei erwähnt, dass zwischen den Litzen 14 und den Aderkanälen 34 vorzugsweise kein Kraftschluss vorliegen soll, um es auf einfache Weise zu ermöglichen, dass man die Leitung 15 ergreifen und alle Litzen 14 gleichzeitig einführen kann.In this connection it should be mentioned that between the strands 14 and the core channels 34 preferably present no adhesion should, in order to allow it in a simple way that one Take line 15 and insert all strands 14 at the same time.

Zwischen den Aderkanälen 34 und den inneren Mündungen der Kontakt-Führungskanäle 17 befindet sich in dem Basiskörper 18 eine taschenartige Aufnahme 25, die eine von der Frontseite des Basiskörpers 18 her einzuschiebende Leiterplatine 22 aufnimmt und in montagegerechter Position hält.Between the vein channels 34 and the inner mouths of the Contact guide channels 17 located in the base body 18 a pocket-like receptacle 25, one from the front of the base body 18 ago heriebende printed circuit board 22 receives and montagegerechter Holding position.

Im Rahmen der Vorkonfektionierung des Steckverbinders 10 sind die Kontakte 11 in einer funktionslosen Stellung innerhalb des jeweiligen Führungskanals 17 befindlich. Diese in den Figuren nicht gezeigte Stellung ist dadurch gekennzeichnet, dass die Eindringspitze 27 noch nicht oder nicht wesentlich aus dem Führungskanal 17 nach innen (d.h. bzgl. der Fig. nach oben) vorsteht.As part of the pre-assembly of the connector 10th the contacts 11 are in an inoperative position within the respective guide channel 17 is located. These are not in the figures shown position is characterized in that the Eindringpitze 27 not yet or not essential from the guide channel 17 after inside (i.e., upward with respect to the figure).

Die Konfektionierung des Steckverbinders 10 beginnt nun damit, dass die Leiterplatine 22 in die Aufnahme 25 im Basisköper 18 eingesteckt wird. In ihrer montagegerechter Position fluchten in ihr vorgesehene durchkontaktierte Platinendurchbrüche 24 (s. Fig. 2 bis 4) mit der Längsmittelachse der Eindringspitze 27 bzw. der elastischen Einpresszone 28 fluchtet.The assembly of the connector 10 now begins so that the printed circuit board 22 in the receptacle 25 in the base body 18th is inserted. In her montagegerechter position in her provided through-contacted platinum openings 24 (see Fig. 2 to 4) with the longitudinal center axis of the Eindringpitze 27 and the elastic Press-in zone 28 is aligned.

Sodann werden die Adern in die Aderkanäle 25 des Basiskörpers 18 bzw. Griffkörpers 13 eingeführt, bis sie an den endseitigen verjüngten Einschubbegrenzungsstufen der Aderkanäle 25 anstoßen. Then the wires in the core channels 25 of the base body 18 and handle body 13 introduced until they reach the end tapered Einschubbegrenzungsstufen the wire channels 25 abut.

Die Kontaktierung zwischen einem Kontakt 16 und zugehörigen Litze 14 erfolgt nun dadurch, dass der Kontakt 16, tiefer in den Kontaktkanal 17 hinein gepresst wird, bis die Eindringspitze 27 in die Aderseele eindringt. Widerhakenartige Rastnasen 29, die sich in die Wandung des Führungskanals 17 krallen, halten jeden Kontakt 16 in dieser Position sicher fest.The contact between a contact 16 and associated Litz 14 now takes place in that the contact 16, deeper into the Contact channel 17 is pressed into it, until the Eindringpitze 27 in the Vein soul invades. Barbed locking lugs 29, which are in the Wall of the guide channel 17 claws, keep each contact 16 in sure of this position.

Bei dieser Verlagerung der Kontakte 16 haben ihre - bezüglich der Fig. oberen - Endabschnitte die Platinendurchbrüche 24 durchgriffen; nunmehr kontaktieren die elastischen Einpresszonen 28 die Laibungen der Durchkontaktierungen der Leiterplatine in den Platinendurchbrüchen 24 - s. insbes. Fig. 3 und 4.In this shift of the contacts 16 have their - respect the top - end portions of the platinum openings 24 penetrated; now the elastic press-in zones 28 contact the Jambs of the plated-through holes of the printed circuit board in the platinum openings 24 - s. esp. Fig. 3 and 4.

Der letzte Arbeitsgang der Steckverbinder-Konfektionierung besteht sodann darin, dass der Griffkörper 13 mit den in ihm nun vorfixiert aufgenommenen Bauteilen in einer Spritzgießform mit transparentem oder doch zumindest transluzentem thermoplastischen Kunststoffmaterial umspritzt wird. Die resultierende Umspritzung 21 ist in den Fig. 3 sowie 5 und 6 mit Kreuzschraffur verdeutlicht.The last operation of the connector assembly then there is that the handle body 13 with the prefixed in him now recorded components in an injection mold with transparent or at least translucent thermoplastic Plastic material is encapsulated. The resulting encapsulation 21 is in Figs. 3 and 5 and 6 illustrates with cross-hatching.

Von außen sichtbar bildet die Umspritzung 21 an der Frontseite des Steckverbinders 10 ein Sichtfenster 30 aus, durch das man den Funktionszustand von auf der Leiterplatine 22 befindlichen LED 23 (weitere Bauelemente sind mit 32 und 33 bezeichnet) erkennen kann.Visible from the outside forms the encapsulation 21 on the front of the connector 10, a viewing window 30, through which one Functional state of located on the printed circuit board 22 LED 23rd (other components are labeled 32 and 33) can recognize.

Ebenfalls außen in Erscheinung tretend bildet die Umspritzung 21 leitungsseitig einen dichtenden Stopfen 31 aus, der zugleich als Zugentlastungselement wirkt.Also outside appearing forms the encapsulation 21 line side of a sealing plug 31, the same time as Strain relief element acts.

Wie insbesondere Figur 3 deutlich erkennen lässt, dringt das Material der Umspritzung 21 auch in das Innere des Steckverbinders 10 ein und umschließt - zumindest jeweils teilweise - vor allem die Leiterplatine 22 und deren Bauelemente 23, 32 und 33, die infolgedessen fest verankert ist.As can be clearly seen in particular FIG. 3, this penetrates Material of the encapsulation 21 also in the interior of the connector 10 and encloses - at least partially in each case - especially the Printed circuit board 22 and its components 23, 32 and 33, as a result firmly anchored.

Claims (9)

  1. An electrical plug connector (10), in particular for sensor technology, having a contact carrier (11) made of insulating material, having contact channels (17) for receiving individual contacts (16), and furthermore having a handle element (13), connected to the contact carrier (11), and a printed circuit board (22) which is equipped with electrical components, in particular LEDs (23), and has board apertures (24) for making contact on the one hand with the contacts (16), which on the other hand are each connected to a core (14) of an electrical connecting cable (15), characterised in that a receiver (25) for the printed circuit board (22) is made in the contact carrier (11) or the handle element (13), and in the correct position thereof the board apertures (24) are flush with the contact channels (17), in that the cores (14) extend on the side of the printed circuit board (22) remote from the contact channels (17), and in that each contact (11) has on the rear-facing side a portion (26) which reaches through the board apertures (24) and whereof the end is in the form of a point (27) for penetrating into the strand of the core (14).
  2. A plug connector according to Claim 1, characterised in that contact is made through board apertures (24) in order to make an electrically conductive connection with the portions of the contacts (16) reaching through them.
  3. A plug connector according to Claim 2, characterised in that the portions of the contacts (16) reaching through the board apertures (24) are equipped with a resilient press-in zone (28) by way of which the contacts (16) make a force-fitting and clamped connection with the inside walls of the board apertures (24).
  4. A plug connector according to Claim 1, characterised in that the handle element (13) is a part of the contact carrier (11) which is materially in one piece therewith, and has channels (34), for the insertion of cores (insulated strands) (14) of the connecting cable (15), which cross the contact channels (17) in the contact carrier (11).
  5. A plug connector according to Claim 4, characterised in that the handle element (13) includes a cavity (19) of large cross-section, with oblique faces (20) for insertion of the conductors which lead to the core channels (34).
  6. A plug connector according to one of the preceding claims, characterised in that the contacts (16) are displaceable from an inoperative position within the contact channel (17) to a contact position in which the point (27) for penetration is in the strand (14) held ready in the core channel (34).
  7. A plug connector according to one of the preceding claims, characterised by an injection moulding (21) made of thermoplastic material which at least partly surrounds the contact carrier (11), the handle element (13), the printed circuit board (22) and the cores (14) and fixes them relative to one another.
  8. A plug connector according to Claim 7, characterised in that the thermoplastic material of the injection moulding (21) has transparent or translucent properties.
  9. A plug connector according to Claim 7 or 8, characterised in that the injection moulding (21) at the same time fixes the connecting cable (15) to the handle element (13), for the additional.purpose of providing strain relief.
EP02015884A 2001-08-21 2002-07-17 Electrical connector Expired - Lifetime EP1286419B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140910A DE10140910C2 (en) 2001-08-21 2001-08-21 Electrical connector
DE10140910 2001-08-21

Publications (3)

Publication Number Publication Date
EP1286419A2 EP1286419A2 (en) 2003-02-26
EP1286419A3 EP1286419A3 (en) 2003-12-10
EP1286419B1 true EP1286419B1 (en) 2005-10-05

Family

ID=7696100

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Application Number Title Priority Date Filing Date
EP02015884A Expired - Lifetime EP1286419B1 (en) 2001-08-21 2002-07-17 Electrical connector

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US (1) US6652293B2 (en)
EP (1) EP1286419B1 (en)
JP (1) JP2003100363A (en)
DE (1) DE10140910C2 (en)

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Also Published As

Publication number Publication date
JP2003100363A (en) 2003-04-04
US20030054693A1 (en) 2003-03-20
EP1286419A2 (en) 2003-02-26
EP1286419A3 (en) 2003-12-10
DE10140910A1 (en) 2003-03-27
DE10140910C2 (en) 2003-07-17
US6652293B2 (en) 2003-11-25

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