EP0450281B1 - Multipolar electric connector - Google Patents

Multipolar electric connector Download PDF

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Publication number
EP0450281B1
EP0450281B1 EP91101743A EP91101743A EP0450281B1 EP 0450281 B1 EP0450281 B1 EP 0450281B1 EP 91101743 A EP91101743 A EP 91101743A EP 91101743 A EP91101743 A EP 91101743A EP 0450281 B1 EP0450281 B1 EP 0450281B1
Authority
EP
European Patent Office
Prior art keywords
plug
oval
flat
socket
housing part
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
EP91101743A
Other languages
German (de)
French (fr)
Other versions
EP0450281A1 (en
Inventor
Ingo Hirt
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.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco GmbH
Wabco Vermogensverwaltung GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6403725&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0450281(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wabco GmbH, Wabco Vermogensverwaltung GmbH filed Critical Wabco GmbH
Publication of EP0450281A1 publication Critical patent/EP0450281A1/en
Application granted granted Critical
Publication of EP0450281B1 publication Critical patent/EP0450281B1/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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases

Definitions

  • the invention relates to a multi-pole electrical connector according to the preamble of patent claim 1.
  • Electrical connectors of the above Kinds that are mainly used in motor vehicles, especially commercial vehicles, must be able to withstand increased stresses such as heat, cold, vibrations, dirt, stone chips and moisture (splash water). They must therefore be particularly robust and reliable, especially if the cables to be connected fulfill functions that are important for the safety of the vehicle, such as Anti-lock braking systems or electrical braking systems.
  • Another aspect is the easiest possible assembly and disassembly, even under unfavorable conditions, such as poor visibility due to hidden installation position or insufficient lighting.
  • the manufacturing and assembly costs of the plug-in device must also be as low as possible.
  • the holding force of the plug device must be sufficiently high in the assembled state to prevent it from coming loose on its own.
  • locking devices are known (EP-PS 187 887), which hold the plug part and the socket together with a defined force.
  • the known plug-in device is not robust enough for use in the motor vehicle.
  • the invention is based on the object of specifying a plug-in device of the type mentioned at the outset which fulfills the above-mentioned difficult operating conditions and, moreover, is particularly small in the case of a given current and voltage load capacity.
  • the diameter should be as small as possible in order to be able to use the plug device even in confined spaces.
  • the plug-in device according to the invention fulfills the requirements mentioned by the flat or oval design of its middle part.
  • known designs have either a continuously round or continuously flat cross section.
  • the peculiar design of the plug-in device according to the invention with round end sections and an oval or flat middle section made it possible to maintain the required electrical and mechanical values with minimal or predetermined dimensions.
  • the plug device according to the invention is shown in side view, partially in section. It consists of a plug (4) and a socket (5) with which two cables (6) and (7) can be connected.
  • the parts (4) and (5) are made of plastic, namely a variety that must meet the required conditions with regard to heat and cold stress.
  • the outer diameter of the plug device can typically be approximately 10-20 mm.
  • Two contact pins (1, 2) face two contact sleeves (14, 15).
  • the plug-in device has a circular cross section in area (A), a flat or oval cross section in area (B) and a circular cross section in area (C).
  • the contact pins and sleeves are arranged side by side on the longitudinal axis (3) of the oval section (B) (see view D-D and E-E).
  • a locking device with a defined separating force serves to keep the plug closed.
  • This device consists of a snap connection with two cams (8, 9) which are arranged on the flat side of the oval section (B) of the plug (4).
  • the cams (8, 9) can be snapped into corresponding cutouts (10, 11) in the bushing (5). These are located on the broad side of the oval housing part (13) of the socket (5) (see Fig. 2).
  • Views F-F and G-G serve to illustrate the transition from the round part (A, C) to the flat part (B).
  • a sealing device which consists of an O-ring (12) which, due to its elasticity, adapts to the oval or flat cross section of the plug part. This is inserted in a groove in the connector (4).
  • the O-ring lies against the inner wall of the oval housing part (13) of the socket (5) and thus seals the plug device against the ingress of moisture.
  • a particular advantage of the plug-in device according to the invention over a round design is that the position of the plug and socket can also be felt blindly due to the flat central part (B). As a result, the plug device can also be plugged together without a view.
  • twisting or interchanging the contacts (1, 2) does not matter when plugging together.
  • it can be achieved by further known measures, for example by a cam and a suitable groove, coding the plug device, so that polarity reversal is then excluded.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die Erfindung bezieht sich auf eine mehrpolige elektrische Steckvorrichtung gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a multi-pole electrical connector according to the preamble of patent claim 1.

Elektrische Steckvorrichtungen der o.g. Art, die vorwiegend in Kraftfahrzeugen, insbesondere Nutzfahrzeugen eingesetzt sind, müssen im Betrieb erhöhte Beanspruchungen wie Hitze, Kälte, Vibrationen, Schmutz, Steinschlag und Feuchtigkeit (Spritzwasser) aushalten können. Sie müssen daher besonders robust und zuverlässig gebaut sein, besonders wenn die zu verbindenden Kabel Funktionen erfüllen, die für die Sicherheit des Fahrzeuges wichtig sind, wie z.B. Antiblockiersysteme oder elektrische Bremssysteme.Electrical connectors of the above Kinds that are mainly used in motor vehicles, especially commercial vehicles, must be able to withstand increased stresses such as heat, cold, vibrations, dirt, stone chips and moisture (splash water). They must therefore be particularly robust and reliable, especially if the cables to be connected fulfill functions that are important for the safety of the vehicle, such as Anti-lock braking systems or electrical braking systems.

Ein weiterer Gesichtspunkt ist eine möglichst leichte Montier- und Demontierbarkeit, und zwar auch unter ungünstigen Bedingungen, wie schlechte Sicht durch versteckte Einbaulage oder unzureichende Beleuchtung.Another aspect is the easiest possible assembly and disassembly, even under unfavorable conditions, such as poor visibility due to hidden installation position or insufficient lighting.

Als Kfz-Serienbauteil mit großer Stückzahl müssen ferner die Herstellungs- und Montagekosten der Steckvorrichtung möglichst niedrig sein.As a large-volume automotive component, the manufacturing and assembly costs of the plug-in device must also be as low as possible.

Schließlich muß die Haltekraft der Steckvorrichtung im zusammengesteckten Zustand ausreichend hoch sein, um ein selbständiges Lösen zu verhindern. Hierzu sind Rastvorrichtungen bekannt (EP-PS 187 887), welche den Steckerteil und die Buchse mit einer definierten Kraft zusammenhalten. Die bekannte Steckvorrichtung ist jedoch für den Einsatz im Kraftfahrzeug nicht robust genug aufgebaut.Finally, the holding force of the plug device must be sufficiently high in the assembled state to prevent it from coming loose on its own. For this purpose, locking devices are known (EP-PS 187 887), which hold the plug part and the socket together with a defined force. However, the known plug-in device is not robust enough for use in the motor vehicle.

Der Erfindung liegt die Aufgabe zugrunde, eine Steckvorrichtung der eingangs genannten Art anzugeben, welche die oben angeführten erschwerten Betriebsbedingungen erfüllt und zudem bei einer vorgegebenen Strom- und Spannungsbelastbarkeit besonders klein baut. Insbesondere soll der Durchmesser möglichst gering sein, um die Steckvorrichtung auch bei beengten Verhältnissen einsetzen zu können.The invention is based on the object of specifying a plug-in device of the type mentioned at the outset which fulfills the above-mentioned difficult operating conditions and, moreover, is particularly small in the case of a given current and voltage load capacity. In particular, the diameter should be as small as possible in order to be able to use the plug device even in confined spaces.

Diese Aufgabe wird durch die im Patentanspruch 1 enthaltenen Merkmale erfüllt. Die Unteransprüche enthalten zweckmäßige Weiterbildungen der Erfindung.This object is achieved by the features contained in claim 1. The dependent claims contain expedient developments of the invention.

Die erfindungsgemäße Steckvorrichtung erfüllt die genannten Anforderungen durch die flache bzw. ovale Ausbildung ihres Mittelteils. Bekannte Ausführungen haben im Gegensatz zur Erfindung entweder einen durchgehend runden oder durchgehend flachen Querschnitt. Durch die eigentümliche Ausbildung der erfindungsgemäßen Steckvorrichtung mit runden Endabschnitten und einem ovalen oder flachen Mittelabschnitt war es möglich, die geforderten elektrischen und mechanischen Werte bei minimalen bzw. vorgegebenen Abmessungen einzuhalten.The plug-in device according to the invention fulfills the requirements mentioned by the flat or oval design of its middle part. In contrast to the invention, known designs have either a continuously round or continuously flat cross section. The peculiar design of the plug-in device according to the invention with round end sections and an oval or flat middle section made it possible to maintain the required electrical and mechanical values with minimal or predetermined dimensions.

Die Erfindung wird im folgenden anhand einer Zeichnung näher erläutert.The invention is explained in more detail below with reference to a drawing.

Diese zeigt in

Fig.1
eine Seitenansicht der erfindungsgemäßen Steckvorrichtung im getrennten Zustand,
Fig.2
die Ansicht von Fig.1 um 90° gedreht,
Fig.3
eine Seitenansicht der Steckvorrichtung im zusammengesteckten Zustand,
Fig.4
die Ansicht von Fig.3 um 90° gedreht.
This shows in
Fig. 1
a side view of the plug device according to the invention in the separated state,
Fig. 2
1 rotated by 90 °,
Fig. 3
a side view of the plug device in the assembled state,
Fig. 4
the view of Figure 3 rotated by 90 °.

In Fig.1 ist die Steckvorrichtung gemäß der Erfindung in der Seitenansicht, teilweise geschnitten, dargestellt. Sie besteht aus einem Stecker (4) und einer Buchse (5), mit welcher zwei Kabel (6) und (7) verbindbar sind. Die Teile (4) und (5) sind aus Kunststoff, und zwar einer Sorte, die den geforderten Bedingungen hinsichtlich Hitze- und Kältebeanspruchung genügen muß. Der Außendurchmesser der Steckvorrichtung kann typischerweise etwa 10 - 20 mm betragen.In Figure 1, the plug device according to the invention is shown in side view, partially in section. It consists of a plug (4) and a socket (5) with which two cables (6) and (7) can be connected. The parts (4) and (5) are made of plastic, namely a variety that must meet the required conditions with regard to heat and cold stress. The outer diameter of the plug device can typically be approximately 10-20 mm.

Zwei Kontaktstiften (1, 2) stehen zwei Kontakthülsen (14, 15) gegenüber.Two contact pins (1, 2) face two contact sleeves (14, 15).

Die Steckvorrichtung hat im Bereich (A) einen kreisförmigen, im Bereich (B) einen flachen bzw. ovalen und im Bereich (C) wieder einen kreisförmigen Querschnitt. Die Kontaktstifte und -hülsen sind auf der Längsachse (3) des ovalen Abschnitts (B) nebeneinander angeordnet (vergl. Ansicht D-D und E-E).The plug-in device has a circular cross section in area (A), a flat or oval cross section in area (B) and a circular cross section in area (C). The contact pins and sleeves are arranged side by side on the longitudinal axis (3) of the oval section (B) (see view D-D and E-E).

Im zusammengesteckten Zustand der Steckvorrichtung (siehe Figuren 3 und 4) dient eine Verriegelungsvorrichtung mit definierter Trennkraft dazu, den Stecker geschlossen zu halten. Diese Vorrichtung besteht aus einer Schnappverbindung mit zwei Nocken (8, 9), welche auf der flachen Seite des ovalen Abschnitts (B) des Steckers (4) angeordnet sind. Die Nocken (8, 9) sind im eingesteckten Zustand in entsprechende Ausschnitte (10, 11) der Buchse (5) einrastbar. Diese befinden sich auf der Breitseite des ovalen Gehäuseteiles (13) der Buchse (5) (siehe Fig.2).In the plugged-together state of the plug device (see FIGS. 3 and 4), a locking device with a defined separating force serves to keep the plug closed. This device consists of a snap connection with two cams (8, 9) which are arranged on the flat side of the oval section (B) of the plug (4). When inserted, the cams (8, 9) can be snapped into corresponding cutouts (10, 11) in the bushing (5). These are located on the broad side of the oval housing part (13) of the socket (5) (see Fig. 2).

Durch die Anordnung der Ausschnitte (10, 11) auf der Breitseite des Gehäuseteils (13) federt dieses beim Einstecken besonders leicht zurück. Dies wäre bei einer runden Ausbildung nicht der Fall. Hierdurch läßt sich auch die Trennkraft beim Lösen der Steckvorrichtung genauer vorgeben.The arrangement of the cutouts (10, 11) on the broad side of the housing part (13) springs back particularly easily when it is inserted. This would not be the case with a round education. This allows also specify the separation force when loosening the connector.

Andererseits wäre es natürlich auch möglich, die Außenkontur des Teils (13) rund auszubilden.On the other hand, it would of course also be possible to make the outer contour of the part (13) round.

Die Ansichten F-F sowie G-G dienen zur Verdeutlichung des Überganges vom runden Teil (A, C) zum flachen Teil (B).Views F-F and G-G serve to illustrate the transition from the round part (A, C) to the flat part (B).

Schließlich ist noch eine Dichteinrichtung vorgesehen, die aus einem O-Ring (12) besteht, der sich aufgrund seiner Elastizität dem ovalen oder flachen Querschnitt des Steckerteils anpaßt. Dieser ist in einer Nut des Steckers (4) eingelegt. Im eingesteckten Zustand der Steckvorrichtung liegt der O-Ring an der Innenwand des ovalen Gehäuseteiles (13) der Buchse (5) an und dichtet so die Steckvorrichtung gegen das Eindringen von Feuchtigkeit ab.Finally, a sealing device is provided, which consists of an O-ring (12) which, due to its elasticity, adapts to the oval or flat cross section of the plug part. This is inserted in a groove in the connector (4). When the plug device is plugged in, the O-ring lies against the inner wall of the oval housing part (13) of the socket (5) and thus seals the plug device against the ingress of moisture.

Ein besonderer Vorteil der erfindungsgemäßen Steckvorrichtung gegenüber einer durchgehend runden Ausführung liegt darin, daß sich die Stellung von Stecker und Buchse infolge des flachen Mittelteils (B) auch blind ertasten läßt. Hierdurch läßt sich die Steckvorrichtung auch ohne Sicht zusammenstecken.A particular advantage of the plug-in device according to the invention over a round design is that the position of the plug and socket can also be felt blindly due to the flat central part (B). As a result, the plug device can also be plugged together without a view.

Bei dem gezeichneten Ausführungsbeispiel spielt eine Verdrehung bzw. Vertauschung der Kontakte (1, 2) beim Zusammenstecken keine Rolle. Es läßt sich jedoch durch weitere, bekannte Maßnahmen, beispielsweise durch einen Nocken und eine passende Nut, eine Codierung der Steckvorrichtung erzielen, so daß dann eine Verpolung ausgeschlossen ist.In the illustrated embodiment, twisting or interchanging the contacts (1, 2) does not matter when plugging together. However, it can be achieved by further known measures, for example by a cam and a suitable groove, coding the plug device, so that polarity reversal is then excluded.

Claims (2)

  1. Multipolar electrical plug device, especially for the connection of two multi-lead cables (6, 7), with a plug (4) and a socket (5), and also with a locking means which is in the form of a snap connection, characterised by the following features:
    a) the plug device is divided into two end portions (A, C) having a round cross-section, and a middle portion (B) having an oval or flat cross-section;
    b) the middle portion (B) of the socket (5) consists of a hollow, oval or flat housing part (13), which in the inserted state surrounds a corresponding part (contact holder) of the plug (4);
    c) at least two contact pins (1, 2) and two contact sleeves (14, 15) are provided which are preferably arranged adjacent to one another on the longitudinal axis (3) of the oval or flat portion (B) of the plug (4) or of the socket (5);
    d) the snap connection comprises at least one projection (8, 9) which is arranged on the flat sides of the oval or flat portion (B) of the plug (4), and which is able to be engaged in corresponding portions (10, 11) of the oval or flat housing part (13) of the socket (5).
  2. Plug device according to Claim 1, characterised in that a sealing device is provided which consists of an oval O-ring (12) which, in the inserted state, bears against the inner wall of the oval or flat housing part (13) of the socket (5).
EP91101743A 1990-04-04 1991-02-08 Multipolar electric connector Expired - Lifetime EP0450281B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4010836 1990-04-04
DE4010836A DE4010836A1 (en) 1990-04-04 1990-04-04 MULTIPOLE ELECTRICAL CONNECTOR

Publications (2)

Publication Number Publication Date
EP0450281A1 EP0450281A1 (en) 1991-10-09
EP0450281B1 true EP0450281B1 (en) 1995-04-05

Family

ID=6403725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101743A Expired - Lifetime EP0450281B1 (en) 1990-04-04 1991-02-08 Multipolar electric connector

Country Status (5)

Country Link
US (1) US5368499A (en)
EP (1) EP0450281B1 (en)
JP (1) JP3127247B2 (en)
CZ (1) CZ280357B6 (en)
DE (2) DE4010836A1 (en)

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US11271350B2 (en) 2017-06-08 2022-03-08 Commscope Technologies Llc Connectors for a single twisted pair of conductors
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Also Published As

Publication number Publication date
JPH04230975A (en) 1992-08-19
US5368499A (en) 1994-11-29
JP3127247B2 (en) 2001-01-22
EP0450281A1 (en) 1991-10-09
CZ280357B6 (en) 1995-12-13
DE4010836A1 (en) 1991-10-10
DE59105070D1 (en) 1995-05-11
CS9100931A2 (en) 1991-12-17

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