EP0568899B1 - Multipole cable plug - Google Patents

Multipole cable plug Download PDF

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Publication number
EP0568899B1
EP0568899B1 EP93106774A EP93106774A EP0568899B1 EP 0568899 B1 EP0568899 B1 EP 0568899B1 EP 93106774 A EP93106774 A EP 93106774A EP 93106774 A EP93106774 A EP 93106774A EP 0568899 B1 EP0568899 B1 EP 0568899B1
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EP
European Patent Office
Prior art keywords
contact
circuit board
printed circuit
cable
cable plug
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
EP93106774A
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German (de)
French (fr)
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EP0568899A2 (en
EP0568899A3 (en
Inventor
Gerhard Wehrle
Folke Michelmann
Peter Kuhn
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Hirschmann Electronics GmbH and Co KG
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Hirschmann Electronics GmbH and Co KG
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Application filed by Hirschmann Electronics GmbH and Co KG filed Critical Hirschmann Electronics GmbH and Co KG
Publication of EP0568899A2 publication Critical patent/EP0568899A2/en
Publication of EP0568899A3 publication Critical patent/EP0568899A3/xx
Application granted granted Critical
Publication of EP0568899B1 publication Critical patent/EP0568899B1/en
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    • 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
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner

Definitions

  • the invention relates to a multi-pole cable connector according to the preamble of claim 1.
  • a cable connector is already known from a product from Vaudeha-Elektro GmbH, with the contact elements of the insulation displacement contact, the printed circuit board contact designed as a soldering lug and the plug contact part designed as a fork spring in one plane lie ( Figure 3).
  • the contact elements can be manufactured inexpensively as simple stamped parts, but assembly is very complex because the circuit board connections are soldered and the cable cores can be replaced by additional devices such as e.g. Web of a lid part to be pressed into which slots of the insulation displacement contacts have to be pressed. In particular in the case of mass products such as connectors, the costs associated with such a high manufacturing outlay are generally not acceptable.
  • the known cable connector can also only be realized with a printed circuit board, because the contact elements are mechanically attached to it by soldering the soldering lugs.
  • a printed circuit board or a similar part must nevertheless be provided with this cable connector, to which the contact elements can be fastened.
  • the invention is therefore based on the object of developing a multi-pole cable connector according to the preamble of claim 1 in such a way that, in the simplest and most cost-effective manner, low production outlay is achieved and the fixing of the contact elements is independent of the presence of the printed circuit board.
  • the cable connector To assemble the cable connector, it is therefore only necessary to insert the end parts of the cable cores into the blind holes and to insert the contact elements with the insulation displacement contact into the adapted recesses of the contact carrier part transversely to the plug direction, the cable cores for contacting being automatically pressed into the slots of the insulation displacement contacts and at the same time the fork spring-like circuit board contact contacted the associated connection point on the circuit board.
  • the resilient tabs of the circuit board contacts encompass the circuit board lying between them and thus additionally and without additional effort cause them to be held.
  • An embodiment of the contact element according to claim 2 enables production as a one-piece stamped and bent part with minimal manufacturing costs.
  • the projections provided in an embodiment according to claim 3 are pressed together with the plastic of the contact carrier part when the insulation displacement contacts are pressed into the corresponding recesses and thus ensure that the contact elements are permanently firmly seated without additional effort.
  • the contact carrier part equipped with the contact elements can either be inserted into a prefabricated housing or overmolded. In the latter case, it is important that the injection molding compound cannot penetrate into the contact chambers via the blind holes and the recesses. This is advantageously achieved in a simple manner by a sealing lip according to claim 4, which is integrally formed in the transverse direction during manufacture of the contact carrier in the same work step, for example on the bottom surface in the entrance area of each recess.
  • the plug-in cover part is integral with the plastic housing.
  • the cover can be rotated relative to one another and therefore more (e.g. with square cover part four cable outlet directions offset by 90 ° to each other) can be selected.
  • the cable connector is therefore even more adaptable to the needs of the individual case.
  • FIGS. 1 and 2 show a longitudinal section through the cable connector and FIG. 2 shows a perspective view of a contact element.
  • the multi-pole cable connector 1 which is designed as an angled plug, has a plastic housing 2 formed by extrusion coating with a cable entry socket 3 for receiving a cable 4 with four cable wires 6, each protected by an insulating jacket 5, and a contact area 7 with a square cross section, which is plug-in on the plug side Cover part 8 is closed.
  • a contact carrier part 9 made of insulating material with a central pipe socket 10 is arranged in the contact area 7 of the plastic housing 2.
  • this has a tubular central piece 11, which comprises the pipe socket 10 and, in the assembled state, engages with an annular latching bead 12 in an adapted annular latching groove 13 of the pipe socket 10.
  • blind holes 15 are provided for receiving the non-stripped end parts 14 of the cable cores, which are penetrated in the transverse direction by slot-shaped recesses 16 of the contact carrier part 9.
  • a printed circuit board 17 provided with conductor tracks and equipped with electrical and electro-optical components (not shown), which is penetrated by the pipe socket 10 of the contact carrier part 9 and rests on the end face of the central piece 11.
  • the contact elements 18, 18 are stamped and bent parts. According to their purpose, two contact elements 18 are made in one piece (they are only suitable for the parallel connection of circuits or circuit components).
  • a base section 19 of which an insulation displacement contact 22 having two legs 21 separated by a slot 20 and a fork spring-like circuit board contact 25 consisting of two tabs 23, 24 protrude approximately vertically and on which are offset laterally and perpendicular to the contacts 22, 25 , in the plane of the base section 19, a fork spring socket 26 for inserting a plug pin of a device connector, not shown, through recesses 8 ′ of the cover part 8 connects.
  • the tab 23 is advantageously punched out of the tab 24 and pressed out.
  • the fork spring bushing 26' on the one hand and the insulation displacement contact 22 and the printed circuit board contact 25 connected to it via part of the base section 19 on the other hand are separate parts between which circuits or circuit components can be inserted in series.
  • the separation is expediently carried out in one operation during punching, the same parts being advantageously used as for the one-piece contact elements.
  • the end parts 14 of the cable cores 6 are first inserted into the associated blind holes 15 and then the sdhneidklemmgifte 22 are pressed into the recesses 16.
  • the insulation displacement contacts 22 cut through the insulating jacket 5 of the cable cores 6 and contact them.
  • Ribs 27 on the side edges of the legs 21 are pressed together with the side walls of the recesses 16 and thus, in an extremely simple manner, ensure that the contact elements 18 or the insulation displacement and printed circuit board contacts 22, 25 of the contact elements 18 'are firmly seated.
  • the circuit board contacts 25 are positioned during this insertion process.
  • the tabs 23, 24 encompass the associated edge sections of the printed circuit board 17, hold them in their position and provide reliable contact with the pads intended therefor.
  • a sealing lip 28 at each inlet opening of the recesses 16 ensures that no molding compound can penetrate into the contact chambers 29 via the blind hole during the molding process.
  • the fork spring bushing 26 is arranged exactly at the correct position in the plug-in direction in accordance with the respective pin structure.
  • soldering support points are provided on the printed circuit board 17 at which they can be electrically contacted and mechanically fastened at the same time by soldering their neck 30.
  • the multi-pole cable connector according to the invention can also be used without a printed circuit board, since the fork spring bushings 26, like the entire contact elements 18, are arranged on the contact carrier part.
  • a central screw 31 passing through the plastic housing 2 and the pipe socket 10 and the cover part 8 enables a firm connection to the device connector.

Abstract

A multipole cable plug connector 1 has a printed-circuit board (17) (if required) which is arranged in a plastic housing (2) as well as integral contact elements (18, 18') having in each case one insulation-piercing terminal contact (22) for cable connection, one printed-circuit board contact (25) and one plug contact part (26, 26'). In order to achieve a low production cost in a simple manner and to enable the contact elements to be fixed independently of the presence of the printed-circuit board, it is provided that in each case one blind hole (15), running in the insertion direction, is provided in a contact supporting part (9) consisting of insulating material, in order to accommodate the end part (14) of each cable core (6), that the insulation-piercing terminal contact (22) and the printed-circuit board contact (25) formed by two lugs (23, 24) like a fork-shaped spring are arranged transversely with respect to the insertion direction, and that the contact supporting part (9) has a matched recess (16) for accommodating the insulation-piercing terminal contact (22). <IMAGE>

Description

Die Erfindung betrifft einen mehrpoligen Kabelsteckverbinder gemäß dem Oberbegriff des Anspruches 1. Ein derartiger Kabelsteckverbinder ist bereits durch ein Produkt der Firma Vaudeha-Elektro GmbH bekannt, bei dessen Kontaktelementen jeweils der Schneidklemmkontakt, der als Lötfahne ausgebildete Leiterplattenkontakt und das als Gabelfeder ausgeführte Steckkontaktteil in einer Ebene liegen (Figur 3).The invention relates to a multi-pole cable connector according to the preamble of claim 1. Such a cable connector is already known from a product from Vaudeha-Elektro GmbH, with the contact elements of the insulation displacement contact, the printed circuit board contact designed as a soldering lug and the plug contact part designed as a fork spring in one plane lie (Figure 3).

Bei diesem Kabelsteckverbinder sind zwar die Kontaktelemente als einfache Stanzteile kostengünstig herstellbar, die Montage ist jedoch sehr aufwendig, weil die Leiterplattenanschlüsse gelötet und die Kabeladern durch zusätzlich erforderliche Einrichtungen, wie z.B. Stege eines aufzudrükkenden Deckelteils, in die Schlitze der Schneidklemmkontakte eingepreßt werden müssen. Insbesondere bei Massenprodukten wie Steckverbindern sind die mit einem solch hohen Herstellungsaufwand verbundenen Kosten in der Regel nicht tragbar.With this cable connector, the contact elements can be manufactured inexpensively as simple stamped parts, but assembly is very complex because the circuit board connections are soldered and the cable cores can be replaced by additional devices such as e.g. Web of a lid part to be pressed into which slots of the insulation displacement contacts have to be pressed. In particular in the case of mass products such as connectors, the costs associated with such a high manufacturing outlay are generally not acceptable.

Der bekannte Kabelsteckverbinder ist darüberhinaus nur mit einer Leiterplatte realisierbar, weil die Kontaktelemente daran durch das Anlöten der Lötfahnen zugleich mechanisch befestigt sind. Für die häufigen Anwendungsfälle, in denen keine elektrische Schaltung benötigt wird, muß bei diesem Kabelsteckverbinder trotzdem eine Leiterplatte oder ein ähnliches Teil vorgesehen werden, an dem die Kontaktelemente befestigbar sind.The known cable connector can also only be realized with a printed circuit board, because the contact elements are mechanically attached to it by soldering the soldering lugs. For the frequent applications in which no electrical circuit is required, a printed circuit board or a similar part must nevertheless be provided with this cable connector, to which the contact elements can be fastened.

Der Erfindung liegt daher die Aufgabe zugrunde, einen mehrpoligen Kabelsteckverbinder nach dem Oberbegriff des Anspruches 1 derart weiterzubilden, daß auf möglichst einfache und kostengünstige Weise ein geringer Herstellungsaufwand erreicht und die Fixierung der Kontaktelemente unabhängig vom Vorhandensein der Leiterplatte ist.The invention is therefore based on the object of developing a multi-pole cable connector according to the preamble of claim 1 in such a way that, in the simplest and most cost-effective manner, low production outlay is achieved and the fixing of the contact elements is independent of the presence of the printed circuit board.

Diese Aufgabe ist durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.This object is achieved by the characterizing features of claim 1.

Zur Montage des Kabelsteckverbinders ist es dadurch lediglich erforderlich, die Endteile der Kabeladern in die Sacklöcher einzustecken und die Kontaktelemente mit dem Schneidklemmkontakt quer zur Steckrichtung in die angepaßten Ausnehmungen des Kontaktträgerteils einzuschieben, wobei automatisch die Kabeladern zur Kontaktierung in die Schlitze der Schneidklemmkontakte eingedrückt und zugleich der gabelfederartige Leiterplattenkontakt die zugehörige Anschlußstelle auf der Leiterplatte kontaktiert. Die federnden Laschen der Leiterplattenkontakte umfassen dabei die dazwischen liegende Leiterplatte und bewirken somit zusätzlich und ohne Mehraufwand deren Halterung.To assemble the cable connector, it is therefore only necessary to insert the end parts of the cable cores into the blind holes and to insert the contact elements with the insulation displacement contact into the adapted recesses of the contact carrier part transversely to the plug direction, the cable cores for contacting being automatically pressed into the slots of the insulation displacement contacts and at the same time the fork spring-like circuit board contact contacted the associated connection point on the circuit board. The resilient tabs of the circuit board contacts encompass the circuit board lying between them and thus additionally and without additional effort cause them to be held.

Wenn bei dem erfindungsgemäßen Kabelsteckverbinder im Einzelfall keine elektrische Schaltung und damit auch keine Leiterplatte benötigt wird, so kann diese einfach entfallen, weil die Kontaktelemente im Kontaktträgerteil gehalten sind. Die Kontaktelemente sind somit universell verwendbar für Kabelsteckverbinder mit und ohne Leiterplatte.If no electrical circuit and thus no printed circuit board is required in the individual case of the cable connector according to the invention, this can simply be omitted because the contact elements are held in the contact carrier part. The contact elements can therefore be used universally for cable connectors with and without a printed circuit board.

Vorteilhafte Weiterbildungen bzw. Ausgestaltungen des erfindungsgemäßen mehrpoligen Kabelsteckverbinders sind in den Unteransprüchen angegeben.Advantageous further developments or refinements of the multipole cable connector according to the invention are specified in the subclaims.

Eine Ausführung des Kontaktelements gemäß Anspruch 2 ermöglicht die Herstellung als einstückiges Stanz-Biegeteil mit minimalen Fertigungskosten.An embodiment of the contact element according to claim 2 enables production as a one-piece stamped and bent part with minimal manufacturing costs.

Die bei einer Ausgestaltung nach Anspruch 3 vorgesehenen Vorsprünge verpressen sich beim Eindrücken der Schneidklemmkontakte in die zugehörigen Ausnehmungen mit dem Kunststoff des Kontaktträgerteils und gewährleisten so ohne Mehraufwand einen dauerhaft festen Sitz der Kontaktelemente.The projections provided in an embodiment according to claim 3 are pressed together with the plastic of the contact carrier part when the insulation displacement contacts are pressed into the corresponding recesses and thus ensure that the contact elements are permanently firmly seated without additional effort.

Das mit den Kontaktelementen bestückte Kontaktträgerteil kann entweder in ein vorgefertigtes Gehäuse eingesetzt oder umspritzt werden. Im letzteren Fall ist es wichtig, daß die Spritzgußmasse nicht über die Sacklöcher und die Ausnehmungen in die Kontaktkammern eindringen kann. Dies ist auf vorteilhaft einfache Weise durch jeweils eine Dichtlippe gemäß Anspruch 4 erreicht, die beim Herstellen des Kontaktträgers im selben Arbeitsgang z.B. an der Bodenfläche im Eingangsbereich jeder Ausnehmung in Querrichtung angeformt ist.The contact carrier part equipped with the contact elements can either be inserted into a prefabricated housing or overmolded. In the latter case, it is important that the injection molding compound cannot penetrate into the contact chambers via the blind holes and the recesses. This is advantageously achieved in a simple manner by a sealing lip according to claim 4, which is integrally formed in the transverse direction during manufacture of the contact carrier in the same work step, for example on the bottom surface in the entrance area of each recess.

An die einstückigen Kontaktelemente können elektrische Schaltungen nur parallel angeschlossen werden. Sollen im Einzelfall elektrische Bauteile auch in den Leitungszug zwischen Kabelader und zugehörigem Steckkontaktteil (Serienschaltung) eingeschaltet werden, so ist dies mit den Merkmalen gemäß Anspruch 5 auf einfache Weise mit den gleichen Kontaktelementen dadurch möglich, daß der Steckkontaktteil einerseits sowie der Schneidklemm- und der mit ihm verbundene Leiterplattenkontakt andererseits als zwei getrennte Teile hergestellt und der Steckkontaktteil am Lötstützpunkt angelötet und damit zugleich mechanisch befestigt wird. Somit können praktisch ohne zusätzliche Kosten unterschiedliche Schaltungskonfigurationen eingesetzt werden.Electrical circuits can only be connected in parallel to the one-piece contact elements. If, in individual cases, electrical components are also to be switched on in the cable between the cable core and the associated plug contact part (series connection), this is possible with the features according to claim 5 in a simple manner with the same contact elements in that the plug contact part, on the one hand, and the insulation displacement and with the printed circuit board contact connected to it, on the other hand, is produced as two separate parts and the plug-in contact part is soldered to the soldering support point and is thus mechanically fastened at the same time. Different circuit configurations can thus be used practically without additional costs.

Bei dem bekannten Kabelsteckverbinder ist dagegen eine vergleichbare Möglichkeit nicht gegeben, weil das Steckkontaktteil wegen des vorgegebenen Polbildes und Steckergehäuses am jetzigen Ort verbleiben muß. Nach seiner Trennung von den beiden anderen Anschlüssen wäre daher mit vertretbaren Mitteln weder eine Befestigung (fliegendes Teil) noch die Einfügung einer Schaltung oder auch nur eines Bauelementes möglich.In the known cable connector, on the other hand, there is no comparable possibility, because the plug contact part must remain at the current location because of the predetermined pole pattern and connector housing. After its separation from the other two connections, it would therefore not be possible to attach (flying part) or insert a circuit or even a component with justifiable means.

Bei der bekannten Ausführung eines Kabelsteckverbinders ist das steckseitige Deckelteil mit dem Kunststoffgehäuse einstückig. Bei ungleichen Kontaktformen (bei Steckverbindern für Kabel mit Schutzleiter ist z.B. der Kontakt für den Schutzleiteranschluß aus Sicherheitsgründen anders ausgebildet als die übrigen Kontakte) ist damit nur eine einzige Kabelabgangsrichtung möglich. Durch die Ausbildung des Deckels als separates Teil (Anspruch 6) sind Gehäuse und Deckel gegeneinander verdrehbar und daher mehr (z.B. bei quadratischem Deckelteil vier um jeweils 90° zueinander versetzte) Kabelabgangsrichtungen wählbar. Der Kabelsteckverbinder ist damit noch besser an die Bedürfnisse des Einzelfalles anpaßbar.In the known version of a cable connector, the plug-in cover part is integral with the plastic housing. In the case of unequal contact forms (for example, for connectors with a protective conductor, the contact for the protective conductor connection is designed differently from the other contacts for safety reasons), only one cable outlet direction is possible. By designing the cover as a separate part (housing 6), the housing and cover can be rotated relative to one another and therefore more (e.g. with square cover part four cable outlet directions offset by 90 ° to each other) can be selected. The cable connector is therefore even more adaptable to the needs of the individual case.

Die Erfindung ist im folgenden anhand eines Ausführungsbeispiels in den Figuren 1 und 2 noch näher erläutert. Dabei stellt Figur 1 einen Längsschnitt durch den Kabelsteckverbinder und Figur 2 eine perspektivische Ansicht eines Kontaktelementes dar.The invention is explained in more detail below using an exemplary embodiment in FIGS. 1 and 2. 1 shows a longitudinal section through the cable connector and FIG. 2 shows a perspective view of a contact element.

Der mehrpolige als Winkelstecker ausgebildete Kabelsteckverbinder 1 weist ein durch Umspritzen gebildetes Kunststoffgehäuse 2 mit einem Kabeleinführungsstutzen 3 zur Aufnahme eines Kabels 4 mit vier jeweils durch einen Isoliermantel 5 geschützten Kabeladern 6 und einen im Querschnitt quadratischen Kontaktbereich 7 auf, der steckseitig durch ein Deckelteil 8 verschlossen ist. Im Kontaktbereich 7 des Kunststoffgehäuses 2 ist ein Kontaktträgerteil 9 aus Isoliermaterial mit einem zentralen Rohrstutzen 10 angeordnet. Zur Halterung des Deckelteils 8 weist dieses ein rohrförmiges Zentralstück 11 auf, das den Rohrstutzen 10 umfaßt und in montiertem Zustand mit einem ringförmigen Rastwulst 12 in eine angepaßte ringförmige Rastnut 13 des Rohrstutzens 10 eingreift.The multi-pole cable connector 1, which is designed as an angled plug, has a plastic housing 2 formed by extrusion coating with a cable entry socket 3 for receiving a cable 4 with four cable wires 6, each protected by an insulating jacket 5, and a contact area 7 with a square cross section, which is plug-in on the plug side Cover part 8 is closed. In the contact area 7 of the plastic housing 2, a contact carrier part 9 made of insulating material with a central pipe socket 10 is arranged. To hold the cover part 8, this has a tubular central piece 11, which comprises the pipe socket 10 and, in the assembled state, engages with an annular latching bead 12 in an adapted annular latching groove 13 of the pipe socket 10.

Im anschlußseitigen Bereich des Kontaktträgerteils 9 sind zur Aufnahme der nicht abisolierten Endteile 14 der Kabeladern 6 Sacklöcher 15 angebracht, die in Querrichtung von schlitzförmigen Ausnehmungen 16 des Kontaktträgerteils 9 durchsetzt sind. Im Kontaktbereich 7 des Kunststoffgehäuses 2 ist weiterhin eine mit Leiterbahnen versehene und mit nicht dargestellten elektrischen sowie elektrooptischen Bauteilen bestückte Leiterplatte 17 vorgesehen, die von dem Rohrstutzen 10 des Kontaktträgerteils 9 durchsetzt wird und auf der stirnfläche des Zentralstücks 11 aufliegt.In the connection-side area of the contact carrier part 9 6 blind holes 15 are provided for receiving the non-stripped end parts 14 of the cable cores, which are penetrated in the transverse direction by slot-shaped recesses 16 of the contact carrier part 9. In the contact area 7 of the plastic housing 2 there is also a printed circuit board 17 provided with conductor tracks and equipped with electrical and electro-optical components (not shown), which is penetrated by the pipe socket 10 of the contact carrier part 9 and rests on the end face of the central piece 11.

Die Kontaktelemente 18, 18' sind Stanzbiegeteile. Entsprechend ihrem Einsatzzweck sind zwei Kontaktelemente 18 einstückig (sie sind nur für den parallelen Anschluß von Schaltungen bzw. Schaltungsbauteilen geeignet) ausgeführt. Mit einem Basisabschnitt 19, von dem ein zwei durch einen Schlitz 20 getrennte Schenkel 21 aufweisender Schneidklemmkontakt 22 und ein aus zwei Laschen 23, 24 bestehender gabelfederartiger Leiterplattenkontakt 25 etwa senkrecht abragen und an den sich, senkrecht zu den Kontakten 22, 25 und dazu seitlich versetzt, in der Ebene des Basisabschnitts 19 eine Gabelfederbuchse 26 zum Einstecken eines Steckerstiftes eines nicht dargestellten Gerätesteckverbinders durch Ausnehmungen 8'des Deckelteils 8 anschließt.The contact elements 18, 18 'are stamped and bent parts. According to their purpose, two contact elements 18 are made in one piece (they are only suitable for the parallel connection of circuits or circuit components). With a base section 19, of which an insulation displacement contact 22 having two legs 21 separated by a slot 20 and a fork spring-like circuit board contact 25 consisting of two tabs 23, 24 protrude approximately vertically and on which are offset laterally and perpendicular to the contacts 22, 25 , in the plane of the base section 19, a fork spring socket 26 for inserting a plug pin of a device connector, not shown, through recesses 8 ′ of the cover part 8 connects.

Dabei ist die Lasche 23 in vorteilhafter Weise aus der Lasche 24 gestanzt und herausgedrückt.The tab 23 is advantageously punched out of the tab 24 and pressed out.

Bei den anderen zwei Kontaktelementen 18' sind jeweils die Gabelfederbuchse 26' einerseits sowie der Schneidklemmkontakt 22 und der damit über einen Teil des Basisabschnitts 19 verbundene Leiterplattenkontakt 25 andererseits getrennte Teile, zwischen die Schaltungen bzw. Schaltungsbauteile in Serie einfügbar sind. Die Trennung erfolgt zweckmäßig in einem Arbeitsgang beim Stanzen, wobei in vorteilhafter Weise die gleichen Teile verwendbar sind wie für die einstückigen Kontaktelemente.In the other two contact elements 18 ', the fork spring bushing 26' on the one hand and the insulation displacement contact 22 and the printed circuit board contact 25 connected to it via part of the base section 19 on the other hand are separate parts between which circuits or circuit components can be inserted in series. The separation is expediently carried out in one operation during punching, the same parts being advantageously used as for the one-piece contact elements.

Bei der Montage werden zunächst die Endteile 14 der Kabeladern 6 in die zugehörigen Sacklöcher 15 eingeführt und anschließend die sdhneidklemmkontakte 22 in die Ausnehmungen 16 eingedrückt. Dabei durchtrennen die Schneidklemmkontakte 22 den Isoliermantel 5 der Kabeladern 6 und kontaktieren diese. Rippen 27 an den Seitenkanten der Schenkel 21 verpressen sich dabei mit den Seitenwänden der Ausnehmungen 16 und bewirken so auf äußerst einfache Weise einen dauerhaft festen Sitz der Kontaktelemente 18 bzw. der Schneidklemm- und Leiterplattenkontakte 22, 25 der Kontaktelemente 18'. Zugleich werden bei diesem Einsteckvorgang die Leiterplattenkontakte 25 positioniert. Die Laschen 23, 24 umfassen dabei die zugehörigen Randabschnitte der Leiterplatte 17, halten diese in ihrer Lage und geben einen sicheren Kontakt mit den dafür bestimmten Pads. Eine Dichtlippe 28 an jeder Eingangsöffnung der Ausnehmungen 16 stellt sicher, daß beim Umspritzvorgang keine Spritzmasse über das Sackloch in die Kontaktkammern 29 eindringen kann.During assembly, the end parts 14 of the cable cores 6 are first inserted into the associated blind holes 15 and then the sdhneidklemmkontakte 22 are pressed into the recesses 16. The insulation displacement contacts 22 cut through the insulating jacket 5 of the cable cores 6 and contact them. Ribs 27 on the side edges of the legs 21 are pressed together with the side walls of the recesses 16 and thus, in an extremely simple manner, ensure that the contact elements 18 or the insulation displacement and printed circuit board contacts 22, 25 of the contact elements 18 'are firmly seated. At the same time, the circuit board contacts 25 are positioned during this insertion process. The tabs 23, 24 encompass the associated edge sections of the printed circuit board 17, hold them in their position and provide reliable contact with the pads intended therefor. A sealing lip 28 at each inlet opening of the recesses 16 ensures that no molding compound can penetrate into the contact chambers 29 via the blind hole during the molding process.

Bei den montierten einstückigen Kontaktelementen 18 ist die Gabelfederbuchse 26 exakt an der dem jeweiligen genornten Polbild entsprechend richtigen Stelle in Steckrichtung angeordnet. Für weitere, getrennte Gabelfederbuchsen 26' sind auf der Leiterplatte 17 an diesen Stellen Lötstützpunkte vorgesehen, an denen sie durch Einlöten ihres Halses 30 zugleich elektrisch kontaktiert und mechanisch befestigt werden können.In the assembled one-piece contact elements 18, the fork spring bushing 26 is arranged exactly at the correct position in the plug-in direction in accordance with the respective pin structure. For further, separate fork spring bushings 26 ', soldering support points are provided on the printed circuit board 17 at which they can be electrically contacted and mechanically fastened at the same time by soldering their neck 30.

Bei Ausführungen mit ausschließlich einstückigen Kontaktelementen ist der erfindungsgemäße mehrpolige Kabelsteckverbinder auch ohne Leiterplatte verwendbar, da die Gabelfederbuchsen 26 wie die gesamten Kontaktelemente 18 am Kontaktträgerteil angeordnet sind.In versions with exclusively one-piece contact elements, the multi-pole cable connector according to the invention can also be used without a printed circuit board, since the fork spring bushings 26, like the entire contact elements 18, are arranged on the contact carrier part.

Durch die zweiteilige Ausführung von Deckelteil 8 und Kunststoffgehäuse 2 ist es trotz festliegendem, z.B. genormtem Polbild der Kontakte möglich, lediglich durch gegenseitiges Verdrehen um 90° vier verschiedene Kabelabgangsrichtungen zu wählen und diese somit den Gegebenheiten des Einzelfalles optimal anzupassen.Due to the two-part design of the cover part 8 and the plastic housing 2, despite being fixed, e.g. standardized pole pattern of the contacts possible to choose four different cable outlet directions only by mutual rotation by 90 ° and thus to optimally adapt them to the circumstances of the individual case.

Eine das Kunststoffgehäuse 2 und den Rohrstutzen 10 sowie das Deckelteil 8 durchsetzende Zentralschraube 31 ermöglicht eine feste Verbindung mit dem Gerätesteckverbinder.A central screw 31 passing through the plastic housing 2 and the pipe socket 10 and the cover part 8 enables a firm connection to the device connector.

Claims (6)

  1. Multipole cable plug with contact elements consisting of one piece each being arranged inside a housing made of synthetic material, each one being equipped with one cutting contact clip (22) for being electrically connected to an insulated cable core, with one printed circuit board contact (25), and with one male plugging contact part (26, 26') extending in the direction of the plug for being connected to one female counter plugging contact part being inserted through a hole in the covering, and - as the case may be-with one printed circuit board being equipped with components,
    in such a way characterised that in one contact carrier part (9) being made of insulating material, one dead hole (15) is provided for receiving the end part (14) of each cable core (6); that the cutting contact clip (22) and the printed circuit board contact (25) being made in the shape of a fork-spring by means of two butt-straps (23, 24), are located crosswise to the plugging direction; and that the contact carrier part (9) provides an appropriate cut-out (16) for receiving the cutting contact clip (22).
  2. Cable plug according to claim 1, in such a way characterised that the one butt-strap (23) of the fork-spring shaped printed circuit board contact (25) is pressed out of the other butt-strap (24).
  3. Cable plug according to claim 1 or 2, in such a way characterised that the outer edges of the legs (21) of the cutting contact clips (22) are equipped with projections (27), and that the distance of the projections (27) of the two legs (21) in relation to each other is larger than the overall internal width of the cut-outs (16).
  4. Cable plug according to one of the claims 1 through 3, in such a way characterised that each one of the cut-outs (16) in its insertion part is equipped with a sealing lip (28) tightly fitting onto the cutting contact clip (22).
  5. Cable plug according to one of the claims 1 through 4, in such a way characterised that the plugging contact part (26, 26') is arranged so as to be staggered sideways in relation to the printed circuit board contact (25) and the cutting contact clip (22) connected to it; and that the printed circuit board (17) is equipped with a soldering terminal being located approximately in the direction of the extension of the stem (30) of the plugging contact part (26, 26').
  6. Cable plug according to one of the claims 1 through 5, in such a way characterised that the covering part (8) is formed as a part separate from the housing made of synthetic material (2).
EP93106774A 1992-05-02 1993-04-27 Multipole cable plug Expired - Lifetime EP0568899B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214711 1992-05-02
DE4214711A DE4214711C1 (en) 1992-05-02 1992-05-02

Publications (3)

Publication Number Publication Date
EP0568899A2 EP0568899A2 (en) 1993-11-10
EP0568899A3 EP0568899A3 (en) 1994-04-27
EP0568899B1 true EP0568899B1 (en) 1996-01-17

Family

ID=6458134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93106774A Expired - Lifetime EP0568899B1 (en) 1992-05-02 1993-04-27 Multipole cable plug

Country Status (5)

Country Link
EP (1) EP0568899B1 (en)
JP (1) JPH0831343B2 (en)
AT (1) ATE133295T1 (en)
DE (2) DE4214711C1 (en)
DK (1) DK0568899T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429780C1 (en) * 1994-08-22 1996-03-14 Binder Franz Elektr Round cable connector with knife clamp contacts
DE19708663C1 (en) * 1996-04-13 1997-12-04 Hirschmann Richard Gmbh Co Cable connector
DK0892997T3 (en) * 1996-04-13 2000-10-23 Hirschmann Richard Gmbh Co Cable connector
DE19717216A1 (en) * 1997-04-24 1998-10-29 Hirschmann Richard Gmbh Co Process for stripping-free contacting of multi-core round cables and contacting devices therefor
DE102008046653B4 (en) * 2008-09-10 2017-05-18 Wago Verwaltungsgesellschaft Mbh component connectors
CN104813544B (en) * 2012-09-15 2017-04-12 莱尼电气***有限公司 Electrical contact plug and plug housing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7614398A (en) * 1976-12-24 1978-06-27 Du Pont CONTACT DEVICE FOR A FLAT CABLE.
DE3136603C2 (en) * 1981-09-15 1983-11-17 Vaudeha-Elektro GmbH, 5880 Lüdenscheid Electrical connector
NL8501533A (en) * 1985-05-29 1986-12-16 Geosource Inc CONNECTOR WITH SELECTABLE INTERNAL ELECTRICAL CONNECTIONS.

Also Published As

Publication number Publication date
JPH06132046A (en) 1994-05-13
JPH0831343B2 (en) 1996-03-27
EP0568899A2 (en) 1993-11-10
DE4214711C1 (en) 1993-06-03
DK0568899T3 (en) 1996-04-09
DE59301434D1 (en) 1996-02-29
EP0568899A3 (en) 1994-04-27
ATE133295T1 (en) 1996-02-15

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