EP1286419A2 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
EP1286419A2
EP1286419A2 EP02015884A EP02015884A EP1286419A2 EP 1286419 A2 EP1286419 A2 EP 1286419A2 EP 02015884 A EP02015884 A EP 02015884A EP 02015884 A EP02015884 A EP 02015884A EP 1286419 A2 EP1286419 A2 EP 1286419A2
Authority
EP
European Patent Office
Prior art keywords
contact
contacts
circuit board
connector according
handle body
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
EP02015884A
Other languages
German (de)
French (fr)
Other versions
EP1286419B1 (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

    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406—Connections 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural 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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/901—Connector hood or shell
    • Y10S439/902—Angularly disposed contact and conductor

Definitions

  • the invention relates to an electrical connector, especially for sensor technology, with a contact carrier made of insulating material, with contact channels for taking up individual contacts, furthermore with a handle body connected to the contact carrier and one printed circuit board equipped with electrical components, in particular LED with circuit board openings for contacting the contacts on the one hand, on the other hand, each with one wire of an electrical Connection line are connected, according to the preamble of the claim 1.
  • Connectors of this type are available in different designs known.
  • the electrical components integrated in the connector are part of a circuit with the help of which in particular Function and operating status should be displayed. Serve for this various LEDs as signal displays. So that one of them can detect emitted light from the outside, the circuit board with their components in a handle body made of translucent or enclosed transparent plastic, which is usually called Overmolding of the contact carrier or the handle body is formed.
  • This connector is compared to that described in the introduction
  • the prior art is particularly advantageous in that all connections are designed as pure plug connections that do not require any soldering processes require more.
  • the object of the present invention is a further simplification and improvement of a connector of the prerequisite Art.
  • the invention solves this problem with the features of Claim 1 and is accordingly characterized in that a receptacle for the printed circuit board in the contact carrier or in the handle body is formed, in the correct position, the board openings aligned with the contact channels that the veins on the the side of the printed circuit board facing away from the contact channels and that each contact backwards one the board openings penetrating section, the end of which is a tip for penetration is formed in a strand of the wire.
  • the Assembling the connector is simplified to the extent that Strands can only be inserted into wire channels without bending need.
  • the contacts that were the first to break through the board Grip through the printed circuit board held in the correct position and only then intervene in the strands ensure a very secure pre-fixation of all components before these together be encapsulated.
  • the sections of the Contacts are advantageously mechanical in the sense of stable also electrical connection equipped with an elastic press-in zone, through which the contacts with the reveal of the plated-through Circuit board breakthroughs a non-positive or clamping connection received.
  • the handle body integral and integral part of the contact carrier and has Channels for inserting insulated strands of the connecting cable on the cross the contact channels in the contact carrier. It is also advantageous if the contacts move from an ineffective position within the Contact channel can be moved into a contact position in which the penetration tip is located in the strand provided in the wire duct.
  • the one-piece design of the handle body and contact carrier gives the particular advantage that in the course of assembly no special handle body is to be molded on the connector.
  • the electrical contacting by moving the contacts in the Contact channels has the consequence that the penetration tips are very simple of the contacts penetrate into the respective core and can make the contact.
  • the Handle body includes a large cross-section funnel with the Conductor lead-in inclined surfaces. It is possible the strands of a multi-core cable by hand on very simple Way "to thread" into the contact carrier, whereupon the strands their Find your way to your intended location practically by yourself, because they get there safely and reliably along the hopper surfaces be performed
  • a connector designated 10 in total first a contact carrier 11, on which, if necessary, 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 when Embodiment a material-integral component out.
  • the total number of this component is 18 and it is hereinafter referred to as the base body.
  • Each contact channel 17 serves to receive a contact 16, the executed as a fork contact in the illustrated embodiment but is e.g. could also be a tube contact.
  • each contact 16 At the rear or inner end of each contact 16 is one known penetration tip 28 is formed, which is used for penetration the insulating sheath of a core 14 and for penetration into its soul (Strand) is determined. In an area behind the penetration tip 28 each an elastic spring acting, known per se Press-in zone 28 formed.
  • the handle body 13 Closes towards the rear end of the connector 10 the handle body 13 as the second section of the base body 18. It is designed as a relatively thin-walled sleeve component. The outside diameter this section corresponds, apart from possible ones Modifications, essentially the outer diameter of one conventional manner by overmolding handle body 13.
  • the handle body 13 Due to the design of the handle body 13 as a sleeve component the handle body 13 has a relatively large-volume inner cavity 19 on. This cavity 19 forms towards the conductor connection side a large cross-section funnel with inclined surfaces 20, which as Wire insertion bevels serve when one wire 14 in each her assigned wire channel 34 is inserted. According to the The number of poles of the connector is a corresponding number of such Core channels provided in the base body 18.
  • the contacts 11 are the contacts 11 in a non-functional position within the respective guide channel 17 located. Not in the figures position shown is characterized in that the penetration tip 27 not yet or not significantly from the guide channel 17 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 plugged in.
  • her assembly-correct position swear in her provided through-hole openings 24 (see FIGS. 2 to 4) with the longitudinal central axis of the penetration tip 27 or the elastic one Press-in zone 28 is aligned.
  • wires are in the wire channels 25 of the base body 18 or handle body 13 inserted until they at the ends Initiate tapered insertion limitation levels of the wire channels 25.
  • the last step in connector assembly then consists in that the handle body 13 is now pre-fixed in it recorded components in an injection mold transparent or at least translucent thermoplastic Plastic material is overmolded.
  • the resulting overmold 21 is 3 and 5 and 6 with cross hatching.
  • the extrusion coating 21 forms on the front side of the connector 10 from a window 30 through which one Functional state of LED 23 located on the printed circuit board 22 (Other components are designated 32 and 33) can be seen.
  • the extrusion coating also appears on the outside 21 on the line side a sealing plug 31, which at the same time as Strain relief element acts.

Landscapes

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

Abstract

In the contact carrier (11) or body (13) a recess (25) accepts the circuit board (22). When installed, board penetrations align with contact channels (17). The cores (14) run on the side of the board facing the contact channels. Each contact has a plug section (26) inserted through a board penetration, and having a spike penetrating into conductors (14) of the cable (15).

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, especially for sensor technology, with a contact carrier made of insulating material, with contact channels for taking up individual contacts, furthermore with a handle body connected to the contact carrier and one printed circuit board equipped with electrical components, in particular LED with circuit board openings for contacting the contacts on the one hand, on the other hand, each with one wire of an electrical Connection 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 different designs known. The electrical components integrated in the connector are part of a circuit with the help of which in particular Function and operating status should be displayed. Serve for this various LEDs as signal displays. So that one of them can detect emitted light from the outside, the circuit board with their components in a handle body made of translucent or enclosed transparent plastic, which is usually called Overmolding 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 the case of a conventional document that cannot be documented in writing, through known prior use of connectors (cf. also Fig. 2 of DE 42 22 685 C2 and associated description) the contacts have soldering feet on the back, which are conventional Kind are soldered to conductor tracks of the circuit board. The stripped The ends of the wires of the electrical line are with the respective ones Contacts either connected by soldering or in the way a crimp connection connected to the contacts. Both types of connection and also soldering the circuit board to the contacts is relatively complex.

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.In contrast, DE 42 22 685 C2, of which the present one discloses Invention is based, a connector in which the connection the contacts with the circuit board and the connection of the conductor wires to the contacts are already simplified. Here are the rear portions of the contacts as insulation displacement forks into which the wire ends have been bent by 90 ° from their in the connector opening direction are pressed in, the insulation displacement forks insulating the wire ends cut through and dig into the core souls, with which one mechanically and electrically reliable connection is established. Thereupon, the printed circuit board with its plated-through openings to the insulation displacement contact ends on the conductor connection side of the contacts pressed on. Finally, the pre-assembled assembly molded 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 compared to that described in the introduction The prior art is particularly advantageous in that all connections are designed as pure plug connections that do not require any soldering processes 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 prerequisite 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 a receptacle for the printed circuit board in the contact carrier or in the handle body is formed, in the correct position, the board openings aligned with the contact channels that the veins on the the side of the printed circuit board facing away from the contact channels and that each contact backwards one the board openings penetrating section, the end of which is a tip for penetration 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 configuration according to the invention leads to a number of advantages or opportunities for useful further training. The Assembling the connector is simplified to the extent that Strands can only be inserted into wire channels without bending need. The contacts that were the first to break through the board Grip through the printed circuit board held in the correct position and only then intervene in the strands ensure a very secure pre-fixation of all components before these together be encapsulated.

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 sections of the Contacts are advantageously mechanical in the sense of stable also electrical connection equipped with an elastic press-in zone, through which the contacts with the reveal of the plated-through Circuit board breakthroughs a non-positive 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 integral and integral part of the contact carrier and has Channels for inserting insulated strands of the connecting cable on the cross the contact channels in the contact carrier. It is also advantageous if the contacts move from an ineffective position within the Contact channel can be moved into a contact position in which the penetration tip is located in the strand provided in the wire duct.

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 the handle body and contact carrier gives the particular advantage that in the course of assembly no special handle body is to be molded on the connector. The electrical contacting by moving the contacts in the Contact channels has the consequence that the penetration tips are very simple of the contacts penetrate into the respective core and can make the 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 development, it is simple in the sense to be carried out further advantageous if the Handle body includes a large cross-section funnel with the Conductor lead-in inclined surfaces. It is possible the strands of a multi-core cable by hand on very simple Way "to thread" into the contact carrier, whereupon the strands their Find your way to your intended location practically by yourself, because they get there safely and reliably along the hopper surfaces be performed

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 expedient designs and further advantageous features also result from the subclaims not cited and from the following description of a preferred exemplary embodiment with reference to the accompanying drawings. Show it:
Fig. 1
4 shows a partially longitudinally exploded view of the essential individual 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
3 shows a cross section through the connector, which is finished except for the subsequent encapsulation, approximately in the direction of the section line IV-IV there according to FIG. 3,
Fig. 5
a side view of the assembled connector, and
Fig. 6
a plan view of the assembled 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 connector designated 10 in total first a contact carrier 11, on which, if necessary, 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 when Embodiment a material-integral component out. The total number of this component is 18 and it is hereinafter referred to as the 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 section of the base body 18 facing the plug side forms the contact carrier 11 with mutually parallel contact channels 17 out. Each contact channel 17 serves to receive a contact 16, the executed as a fork contact in the illustrated embodiment but is 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 one known penetration tip 28 is formed, which is used for penetration the insulating sheath of a core 14 and for penetration into its soul (Strand) is determined. In an area behind the penetration tip 28 each an elastic spring acting, known per se Press-in zone 28 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.Closes towards the rear end of the connector 10 the handle body 13 as the second section of the base body 18. It is designed as a relatively thin-walled sleeve component. The outside diameter this section corresponds, apart from possible ones Modifications, essentially the outer diameter of one conventional manner by overmolding handle body 13.

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 design of the handle body 13 as a sleeve component the handle body 13 has a relatively large-volume inner cavity 19 on. This cavity 19 forms towards the conductor connection side a large cross-section funnel with inclined surfaces 20, which as Wire insertion bevels serve when one wire 14 in each her assigned wire channel 34 is inserted. According to the The number of poles 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 context it should be mentioned that between the strands 14 and the wire channels 34 are preferably no frictional connection to make it easy for you to get the 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 wire channels 34 and the inner mouths of the Contact guide channels 17 are located in the base body 18 pocket-like receptacle 25, one from the front of the base body 18 forth to insert circuit board 22 and in a mounting-friendly Holds 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 10 are the contacts 11 in a non-functional position within the respective guide channel 17 located. Not in the figures position shown is characterized in that the penetration tip 27 not yet or not significantly from the guide channel 17 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 plugged in. In her assembly-correct position swear in her provided through-hole openings 24 (see FIGS. 2 to 4) with the longitudinal central axis of the penetration tip 27 or the elastic one 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 are in the wire channels 25 of the base body 18 or handle body 13 inserted until they at the ends Initiate tapered insertion limitation levels of the wire channels 25.

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 31 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 Strand 14 now takes place in that the contact 16, deeper into the Contact channel 17 is pressed in until the penetration tip 31 into the Aderseele penetrates. Barb-like locking lugs 29, which are in the Claw the wall of the guide channel 17, hold each contact 16 in 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.With this displacement of the contacts 16 have their - with respect the upper end sections penetrate the board openings 24; now the elastic press-in zones 28 contact the Reveals of the plated-through holes of the printed circuit board in the cutouts 24 - s. 3 and 4 in particular.

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 step in connector assembly then consists in that the handle body 13 is now pre-fixed in it recorded components in an injection mold transparent or at least translucent thermoplastic Plastic material is overmolded. The resulting overmold 21 is 3 and 5 and 6 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.The extrusion coating 21, visible from the outside, forms on the front side of the connector 10 from a window 30 through which one Functional state of LED 23 located on the printed circuit board 22 (Other components are designated 32 and 33) can be seen.

Ebenfalls außen in Erscheinung tretend bildet die Umspritzung 21 leitungsseitig einen dichtenden Stopfen 31 aus, der zugleich als Zugentlastungselement wirkt.The extrusion coating also appears on the outside 21 on the line side a sealing plug 31, which at 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 Figure 3 in particular, this is urgent Material of the extrusion 21 also into the interior of the connector 10 and encloses - at least partially - above all Printed circuit board 22 and its components 23, 32 and 33, as a result is firmly anchored.

Claims (9)

Elektrischer Steckverbinder (10), insbesondere für die Sensortechnik, mit einem Kontaktträger (11) aus Isolierstoff, mit Kontaktkanälen (17) zur Aufnahme einzelner Kontakte (16), ferner mit einem mit dem Kontaktträger (11) verbundenen Griffkörper (13) sowie einer mit elektrischen Bauelementen, insbesondere LED (23), bestückten Leiterplatine (22) mit Platinendurchbrüchen (24) zur Kontaktierung mit den Kontakten (16) einerseits, die andererseits mit jeweils einer Ader (14) einer elektrischen Anschlussleitung (15) verbunden sind, dadurch gekennzeichnet, dass im Kontaktträger (11) oder im Griffkörper (13) eine Aufnahme (25) für die Leiterplatine (22) ausgebildet ist, in deren positionsgerechter Lage die Platinendurchbrüche (24) mit den Kontaktkanälen (17) fluchten, dass die Adern (14) auf der den Kontaktkanälen (17) abgewandten Seite der Leiterplatine (22) verlaufen und dass jeder Kontakt (11) rückwärtig einen die Platinendurchbrüche (24) durchgreifenden Abschnitt (26) aufweist, dessen Ende als Spitze (31) zum Eindringen in eine Litze der Ader (14) ausgebildet ist.Electrical connector (10), in particular for sensor technology, with a contact carrier (11) made of insulating material, with contact channels (17) for receiving individual contacts (16), further with a handle body (13) connected to the contact carrier (11) and one with electrical components, in particular LEDs (23), with printed circuit board (22) with circuit board openings (24) for contacting the contacts (16) on the one hand, which on the other hand are each connected to one wire (14) of an electrical connecting line (15), characterized in that that a receptacle (25) for the printed circuit board (22) is formed in the contact carrier (11) or in the handle body (13), in the correct position of which the board openings (24) are aligned with the contact channels (17) so that the wires (14) are open run on the side of the printed circuit board (22) facing away from the contact channels (17) and that each contact (11) opens up a section (26) reaching through the board openings (24) ice, the end of which is designed as a tip (31) for penetration into a strand of the wire (14). Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, dass Platinendurchbrüche (24) durchkontaktiert sind, um mit den sie durchgreifenden Abschnitten der Kontakte (16) eine elektrisch leitende Verbindung einzugehen.Connector according to claim 1, characterized in that circuit board openings (24) are plated through in order to enter into an electrically conductive connection with the sections of the contacts (16) which pass through them. Steckverbinder nach Anspruch 2, dadurch gekennzeichnet, dass die die Platinendurchbrüche (24) durchgreifenden Abschnitte der Kontakte (16) mit einer elastischen Einpresszone (28) ausgerüstet sind, über die die Kontakte (16) mit der Laibung der Platinendurchbrüche (24) eine kraft- bzw. klemmschlüssige Verbindung eingehen.Plug connector according to claim 2, characterized in that the sections of the contacts (16) which pass through the board openings (24) are equipped with an elastic press-in zone (28), via which the contacts (16) with the reveal of the board openings (24) provide a force or make a clamped connection. Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, dass der Griffkörper (13) einstückig-stoffschlüssiger Bestandteil des Kontaktträgers (11) ist und Kanäle (34) zum Einstecken von Adern (isolierter Litzen) (14) der Anschlussleitung (15) aufweist, die die Kontaktkanäle (17) im Kontaktträger (11) queren.Connector according to claim 1, characterized in that the handle body (13) is a one-piece integral part of the contact carrier (11) and has channels (34) for inserting wires (insulated strands) (14) of the connecting line (15) which the contact channels Cross (17) in the contact carrier (11). Steckverbinder nach Anspruch 4, dadurch gekennzeichnet, dass der Griffkörper (13) einen großquerschnittigen Hohlraum (19) umfasst mit zu den Aderkanälen (34) führenden Leitereinführ-Schrägflächen (20).Connector according to claim 4, characterized in that the handle body (13) comprises a large cross-sectional cavity (19) with inclined surfaces (20) leading to the wire channels (34). Steckverbinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kontakte (16) von einer unwirksamen Stellung innerhalb des Kontaktkanals (17) in eine Kontaktstellung verschiebbar sind, in der sich die Eindringspitze (31) in der im Aderkanal (34) bereitgehaltenen Litze (14) befindet.Plug connector according to one of the preceding claims, characterized in that the contacts (16) can be moved from an inactive position within the contact channel (17) to a contact position in which the penetration tip (31) is located in the strand () provided in the wire channel (34). 14) is located. Steckverbinder nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine Umspritzung (21) aus thermoplastischem Material, das den Kontaktträger (11), den Griffkörper (13), die Leiterplatine (22) und die Adern (14) zumindest teilweise umgibt sowie relativ zueinander fixiert.Connector according to one of the preceding claims, characterized by an encapsulation (21) made of thermoplastic material which at least partially surrounds the contact carrier (11), the handle body (13), the printed circuit board (22) and the wires (14) and fixes them relative to one another. Steckverbinder nach Anspruch 7, dadurch gekennzeichnet, dass das thermoplastische Material der Umspritzung (21) transparente bzw. transluzente Eigenschaften aufweist.Connector according to claim 7, characterized in that the thermoplastic material of the extrusion coating (21) has transparent or translucent properties. Steckverbinder nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Umspritzung (21) zugleich die Anschlussleitung (15), auch im Sinne einer Zugentlastung, an dem Griffkörper (13) fixiert.Connector according to claim 7 or 8, characterized in that the extrusion coating (21) at the same time fixes the connecting line (15), also in the sense of a strain relief, to the handle body (13).
EP02015884A 2001-08-21 2002-07-17 Electrical connector Expired - Lifetime EP1286419B1 (en)

Applications Claiming Priority (2)

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

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

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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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WO2018114265A1 (en) * 2016-12-21 2018-06-28 Conti Temic Microelectronic Gmbh Method for electrically contacting a printed circuit board with a pin

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Also Published As

Publication number Publication date
US20030054693A1 (en) 2003-03-20
DE10140910A1 (en) 2003-03-27
US6652293B2 (en) 2003-11-25
EP1286419B1 (en) 2005-10-05
JP2003100363A (en) 2003-04-04
EP1286419A3 (en) 2003-12-10
DE10140910C2 (en) 2003-07-17

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