EP1760837A1 - Electrical zero insertion force connector - Google Patents

Electrical zero insertion force connector Download PDF

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Publication number
EP1760837A1
EP1760837A1 EP06017935A EP06017935A EP1760837A1 EP 1760837 A1 EP1760837 A1 EP 1760837A1 EP 06017935 A EP06017935 A EP 06017935A EP 06017935 A EP06017935 A EP 06017935A EP 1760837 A1 EP1760837 A1 EP 1760837A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
housing
contact
force connector
electrical zero
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
EP06017935A
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German (de)
French (fr)
Other versions
EP1760837B1 (en
Inventor
Wolfgang Mohs
Winfried Heringhaus
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.)
Kostal Kontakt Systeme GmbH
Original Assignee
Kostal Kontakt Systeme GmbH
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Publication date
Application filed by Kostal Kontakt Systeme GmbH filed Critical Kostal Kontakt Systeme GmbH
Publication of EP1760837A1 publication Critical patent/EP1760837A1/en
Application granted granted Critical
Publication of EP1760837B1 publication Critical patent/EP1760837B1/en
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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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • 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
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4364—Insertion of locking piece from the front
    • H01R13/4365—Insertion of locking piece from the front comprising a temporary and a final locking position

Definitions

  • the invention relates to an electrical zero-force connector having a surrounding housing, which has receptacles for a plurality of sleeve contacts, wherein the sleeve contacts each have a contact plate forming main body and a relative to the base slidable clamping sleeve, and having an aggregate connection, the sleeve contacts contacting plug pins.
  • Zero-force connectors are used in electronic devices for contacting individual modules, flex films and printed circuit boards.
  • the term "zero force connector” or “zero force connector” is used because these connector parts can be contacted without effort.
  • Connectors are used, for example, in the automotive sector, for example for contacting control units or for connecting the integrated in the dashboard electrical / electronic assemblies to the electrical system.
  • the force required to bring together multi-pole complementary connector parts is not insignificant. This is due to the fact that the intended contact a relatively high contact force must be exerted by the sleeve contact on the plug contact inserted therein, so that a secure contact is guaranteed even in different environmental conditions.
  • joining aids such as levers have been developed with which two connector parts can be brought into electrical connection with a reasonable force with each other.
  • joining aids such as levers
  • joining aids In many places within a motor vehicle, in which multipole connector parts must be connected to each other, but is not sufficient installation space available to accommodate a connector part with such a mounting aid or to leave enough space to operate such a mounting aid can.
  • the disadvantage here is that a displacement of the activation element can also be done even before the joining of the two connector parts, since the activation takes place by moving elements of the first connector part against each other. Since the connector parts are sometimes exposed to rough mechanical influences before installation, it can happen again and again that the activation element is already in the activated position for individual connectors before installation. This means a more complex installation, since the corresponding connector must be transferred back to the starting position. It was therefore an object to provide a zero-force electrical connector in which this problem does not occur.
  • a fixing housing with the surrounding housing in a pre-locking position and in a final locked position can be latched that the aggregate connection when attached to the surrounding housing releases a locking device of the fixing housing on the surrounding housing and transferred the fixing of the Vorrastwolf in the final locked position, said at the same time the clamping sleeves along the base body of the sleeve contacts be moved and the clamping sleeves press the contact blades to the connector pins of the unit connection.
  • the idea of the invention is first to connect the base body and the clamping sleeve of the sleeve contact with two mutually immovably arranged housing parts, so that the position of the clamping sleeve is clearly defined relative to the base body by the two housing parts.
  • the plug pins When assembling the housing parts with the unit connection, the plug pins are first pushed force-free into the contact blades. Due to the further plug-in movement, the fixation between the two housing parts is released and the two housing parts are displaced relative to each other, at the same time the clamping sleeve is transferred to the main body in the activation position.
  • the advantage here is that the activation of the sleeve contacts can be done only when joining with the mating contact.
  • FIG. 1 shows a section through a surrounding housing (1), which has a peripheral outer wall (10) and inside the housing a receiving area (11) for a plurality of sleeve contacts (2).
  • the receiving area (11) is surrounded by a sealing element (12), which seals the interior of the connector part, in particular against a mating connector to be attached, hereinafter also referred to as an aggregate connection.
  • a fixing housing (8) is added as an independent housing part via locking elements (14).
  • the locking elements (14) of the fixing (8) in two locking recesses (15) of the Umgeophuses (1) can be inserted, whereby the fixing housing (8) relative to the surrounding housing (1) a Vorrast- and can take a final locked position.
  • Figures 1 to 3 show the fixing housing (8) in each case in the pre-locking position.
  • the surrounding housing (1) two sleeve contacts (2) are inserted from the upper side into the receiving area (11). In other planes than the illustrated sectional plane, the surrounding housing (1) may possibly have further sleeve contact pairs.
  • a sleeve contact (2) as a single part shows in two representations, the figure 5.
  • the sleeve contact (2) consists of a molded metal base body (4) which is connected to an electrical line (16).
  • the electrical line (16) has a metallic conductor (17), which by means of a Crimp connection (20) is electrically and mechanically connected to the base body (4).
  • a sealing rubber (18) surrounding the electrical line (16) is fastened to the base body (4) via two bending tabs (19) in the transition region from the line (16) to the base body (4).
  • the free end portion of the base body (4) form two integrally formed on the base body (4), adjacent contact blades (3), in the intermediate space (21), not shown flat plug pin can be inserted.
  • the ends of the contact blades (3) are each bent to the outside. This is advantageous in three respects, as this firstly in the region of the gap (21) edges are avoided, which could hinder the insertion of a connector pin.
  • the rounded ends secondly facilitate the insertion of the sleeve contact in the openings of the receiving area of the housing and thirdly form the bent end portions of the contact blades (3) locking hooks, which are suitable for fastening the sleeve contact (2) in the fixing.
  • the clamping sleeve (5) has in the transverse direction a plurality of slot-shaped openings (9), which cause a flat spring characteristic. Furthermore, the clamping sleeve (5) along the base body (4) is arranged displaceably. If the clamping sleeve (5) is located in the area of the contact blades (3), as shown in the subfigure 5b, then the clamping sleeve (5) pushes the contact blades (3) towards each other.
  • clamping sleeve (5) If the clamping sleeve (5), however, arranged according to the view in the sub-figure 5a, away from the contact blades (3), act from the clamping sleeve (5) no pressure forces on the contact blades (3).
  • the latter arrangement of the clamping sleeve (5) on the base body (4) therefore allows a plug pin force-free in the space (21) inserted between the contact blades (3).
  • FIG. 1 shows the beginning of the insertion of two sleeve contacts (2) into the surrounding housing (1).
  • the sealing rubbers (18) seated on the sleeve contacts (2) close off the openings against external influences.
  • the clamping sleeves (5) of the sleeve contacts (2) lock with latching lugs (22) formed on inner walls of the receiving region (11), recognizable in FIG. 3, and thus fixed on the surrounding housing (1).
  • the base body (4) shifts as the sleeve contact (2) continues to slide in, as indicated in FIG , relative to the clamping sleeve (5), until finally the clamping sleeve (5) completely releases the contact blades (3).
  • the plug pins (7) which can be seen in FIGS. 1 to 3 belong to an aggregate connection which is not shown in these figures. Of the Aggregate connection is generally connected only after the attachment of the sleeve contacts to the surrounding housing and the fixing housing with the connector thus formed.
  • the unit connection (6) opens a detent (24) which fixes the position of the fixing housing (8) relative to the surrounding housing (1), so that when the unit connection (6) is displaced in the direction of the surrounding housing (1) of the unit connection (6) carries the now freely movable fixing housing (8) with it.
  • the contact force required for securely contacting the sleeve contacts (2) thus arises due to the adhesion force of the unit connection (6) to the connector part, and only after the connector pins (7) are inserted into the sleeve contacts (2).
  • the detent (24) that can be lifted only by the insertion of the unit connection (6) ensures that the sleeve contacts (2) are kept open until the aggregate connection (6) is attached.
  • the fully assembled connector parts are shown in FIG.
  • the walls of the unit connection (6) are far inserted into the surrounding housing (1), so that they rest on the sealing element (12), whereby the interior of the connector is well protected from harmful environmental influences, especially moisture.
  • the latching hook (13) locks with an edge (25) on the outer wall of the Aggregate connection (6), whereby the connector parts (1, 6) are also positively connected to each other.
  • the locking element (14) of the fixing housing now engages in the upper recess (15) of the Umgephases (1), so that the fixing housing (8) relative to the surrounding housing (1) has reached its final locked position.

Landscapes

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

Abstract

A sleeve contact (2) and clamping sleeve are engaged such that the contact segments extending from the one of the sleeve contacts is engaged with housing (8). The connector connects the housings (1,8) by connecting with the plug inserted into the gap between the contact segments. Another connector disengages the housings such that the sleeve contact moves in the housing (8) away from the clamping sleeve until the clamping sleeve moves over the contact segments and presses the contact segments onto the plug. Independent claims are included for 2 further electrical zero insertion force connectors.

Description

Die Erfindung betrifft einen elektrischen Nullkraftsteckverbinder mit einem Umgehäuse, welches Aufnahmen für mehrere Hülsenkontakte aufweist, wobei die Hülsenkontakte jeweils einen Kontaktlamellen ausbildenden Grundkörper und eine gegenüber dem Grundkörper verschiebliche Spannhülse aufweisen, und mit einem Aggregateanschluß, der die Hülsenkontakte kontaktierende Steckerstifte aufweist.The invention relates to an electrical zero-force connector having a surrounding housing, which has receptacles for a plurality of sleeve contacts, wherein the sleeve contacts each have a contact plate forming main body and a relative to the base slidable clamping sleeve, and having an aggregate connection, the sleeve contacts contacting plug pins.

Nullkraftsteckverbinder werden bei Elektronikgeräten zur Kontaktierung von einzelnen Baugruppen, Flexfolien und Leiterplatten eingesetzt. Die Bezeichnung "Nullkraftstecker" oder "Nullkraftsteckverbinder" wird verwendet, da diese Steckverbinderteile ohne Kraftaufwand kontaktiert werden können.Zero-force connectors are used in electronic devices for contacting individual modules, flex films and printed circuit boards. The term "zero force connector" or "zero force connector" is used because these connector parts can be contacted without effort.

Steckverbinder werden beispielsweise im Automotivbereich eingesetzt, etwa zur Kontaktierung von Steuergeräten oder zum Anschließen der im Armaturenbrett integrierten elektrischen/elektronischen Baugruppen an das Bordnetz. Die zum Zusammenführen von vielpoligen komplementären Steckverbinderteilen benötigte Kraft ist nicht unerheblich. Dieses liegt darin begründet, daß zum bestimmungsgemäßen Kontaktieren eine relativ hohe Kontaktkraft von dem Hülsenkontakt auf den darin eingesetzten Steckerkontakt ausgeübt werden muß, damit eine sichere Kontaktierung auch bei unterschiedlichsten Umgebungsbedingungen gewährleistet bleibt.Connectors are used, for example, in the automotive sector, for example for contacting control units or for connecting the integrated in the dashboard electrical / electronic assemblies to the electrical system. The force required to bring together multi-pole complementary connector parts is not insignificant. This is due to the fact that the intended contact a relatively high contact force must be exerted by the sleeve contact on the plug contact inserted therein, so that a secure contact is guaranteed even in different environmental conditions.

Um das Zusammenstecken bzw. -fügen derartiger Steckverbinderteile zu erleichtern, sind Fügehilfen, beispielsweise Hebel entwickelt worden, mit denen zwei Steckverbinderteile mit einem vertretbaren Kraftaufwand miteinander in elektrische Verbindung gebracht werden können. An zahlreichen Stellen innerhalb eines Kraftfahrzeuges, in denen vielpolige Steckverbinderteile miteinander verbunden werden müssen, ist jedoch nicht ausreichend Einbauraum vorhanden, um ein Steckverbinderteil mit einer solchen Montagehilfe unterzubringen bzw. um ausreichend Platz zu belassen, eine solche Montagehilfe bedienen zu können.In order to facilitate the mating or joining of such connector parts, joining aids, such as levers have been developed with which two connector parts can be brought into electrical connection with a reasonable force with each other. In many places within a motor vehicle, in which multipole connector parts must be connected to each other, but is not sufficient installation space available to accommodate a connector part with such a mounting aid or to leave enough space to operate such a mounting aid can.

In der nicht vorveröffentlichten DE 10 2004 015 344 ist ein gattungsgemäßer Nullkraftsteckverbinder beschrieben, bei dem Hülsenkontakte kräftefrei mit stiftförmigen Gegenkontakten eines zweiten Steckverbinderteils zusammengefügt werden. Erst während der Endphase des Zusammenfügens der beiden Steckverbinderteile bringt ein Aktivierungselement durch Verschieben einer Stelllasche die Kontaktkraft auf die Kontaktbereiche des Hülsenkontaktes auf.In the not pre-published DE 10 2004 015 344 is a generic zero-force connector described in the sleeve contacts are assembled without force with pin-shaped mating contacts of a second connector part. Only during the final phase of the assembly of the two connector parts brings an activation element by moving a control tab on the contact force on the contact areas of the sleeve contact.

Nachteilig hierbei ist, daß eine Verschiebung des Aktivierungselements auch schon vor dem Zusammenfügen der beiden Steckverbinderteile erfolgen kann, da die Aktivierung durch Verschieben von Elementen des ersten Steckverbinderteils gegeneinander erfolgt. Da die Steckverbinderteile vor der Montage mitunter rauhen mechanischen Einflüssen ausgesetzt sind, kann es immer wieder vorkommen, daß sich bei einzelnen Steckverbindern das Aktivierungselement schon vor der Montage in der aktivierten Position befindet. Dies bedeutet eine aufwendigere Montage, da die entsprechenden Steckverbinder wieder in die Ausgangsposition überführt werden müssen. Es stellte sich daher die Aufgabe, einen elektrischen Nullkraftsteckverbinder zu schaffen, bei dem dieses Problem nicht auftritt.The disadvantage here is that a displacement of the activation element can also be done even before the joining of the two connector parts, since the activation takes place by moving elements of the first connector part against each other. Since the connector parts are sometimes exposed to rough mechanical influences before installation, it can happen again and again that the activation element is already in the activated position for individual connectors before installation. This means a more complex installation, since the corresponding connector must be transferred back to the starting position. It was therefore an object to provide a zero-force electrical connector in which this problem does not occur.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß ein Fixiergehäuse mit dem Umgehäuse in einer Vorraststellung und in einer Endraststellung verrastbar ist, daß der Aggregateanschluß beim Anfügen an das Umgehäuse eine Rastvorrichtung des Fixiergehäuses am Umgehäuse löst und das Fixiergehäuse von der Vorraststellung in die Endraststellung überführt, wobei gleichzeitig die Spannhülsen entlang dem Grundkörper der Hülsenkontakte verschoben werden und die Spannhülsen die Kontaktlamellen an die Steckerstifte des Aggregateanschlusses anpressen.This object is achieved in that a fixing housing with the surrounding housing in a pre-locking position and in a final locked position can be latched that the aggregate connection when attached to the surrounding housing releases a locking device of the fixing housing on the surrounding housing and transferred the fixing of the Vorraststellung in the final locked position, said at the same time the clamping sleeves along the base body of the sleeve contacts be moved and the clamping sleeves press the contact blades to the connector pins of the unit connection.

Die Idee der Erfindung besteht darin, den Grundkörper und die Spannhülse des Hülsenkontakts zunächst mit zwei gegeneinander unverschieblich angeordneten Gehäuseteilen zu verbinden, so daß die Lage der Spannhülse relativ zum Grundkörper durch die beide Gehäuseteile eindeutig festgelegt ist.The idea of the invention is first to connect the base body and the clamping sleeve of the sleeve contact with two mutually immovably arranged housing parts, so that the position of the clamping sleeve is clearly defined relative to the base body by the two housing parts.

Beim Zusammenfügen der Gehäuseteile mit dem Aggregateanschluß, werden zunächst die Steckerstifte kraftfrei in die Kontaktlamellen eingeschoben. Durch die weitere Steckbewegung wird die Fixierung zwischen den beiden Gehäuseteilen gelöst und die beiden Gehäuseteile relativ zueinander verschoben, wobei gleichzeitig die Spannhülse gegen den Grundkörper in die Aktivierungsstellung überführt wird.When assembling the housing parts with the unit connection, the plug pins are first pushed force-free into the contact blades. Due to the further plug-in movement, the fixation between the two housing parts is released and the two housing parts are displaced relative to each other, at the same time the clamping sleeve is transferred to the main body in the activation position.

Vorteilhaft hierbei ist, daß die Aktivierung der Hülsenkontakte ausschließlich beim Zusammenfügen mit dem Gegenkontakt erfolgen kann.The advantage here is that the activation of the sleeve contacts can be done only when joining with the mating contact.

Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüche und der nachfolgenden Zeichnungsbeschreibung.Further advantageous embodiments and modifications of the invention will become apparent from the dependent claims and the following description of the drawings.

Nachfolgend ist die Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die beigefügten Figuren beschrieben. Es zeigen:

Figuren 1 bis 4
Schnittdarstellungen eines Steckverbinderteils in verschiedenen Fügestadien,
Figur 5a und 5b
jeweils einen Hülsenkontakt,
Figur 6a und 6b
je eine Schnittzeichnung durch ein Steckverbinderteil mit einem angefügtem Aggregateanschluß.
The invention is described below with reference to an embodiment with reference to the accompanying figures. Show it:
FIGS. 1 to 4
Sectional views of a connector part in different joining stages,
FIGS. 5a and 5b
one sleeve contact,
FIGS. 6a and 6b
each a sectional drawing through a connector part with an attached aggregate connection.

Die Figuren 1 bis 4 stellen verschiedene Fügephasen eines Steckverbinderteils dar. Figur 1 zeigt einen Schnitt durch ein Umgehäuse (1), welches eine umlaufende Außenwand (10) und im Gehäuseinneren einen Aufnahmebereich (11) für mehrere Hülsenkontakte (2) aufweist. Der Aufnahmebereich (11) ist mit einem Dichtelement (12) umgegeben, welches das Innere des Steckverbinderteils insbesondere gegen einen anzufügenden Gegensteckverbinder, im folgenden auch als Aggregateanschluß bezeichnet, abdichtet.1 shows a section through a surrounding housing (1), which has a peripheral outer wall (10) and inside the housing a receiving area (11) for a plurality of sleeve contacts (2). The receiving area (11) is surrounded by a sealing element (12), which seals the interior of the connector part, in particular against a mating connector to be attached, hereinafter also referred to as an aggregate connection.

An der Außenwand (10) ist ein einstückig angeformter Rasthaken (13) zur Herstellung einer Sekundärverriegelung mit dem in der Figur nicht dargestellten Aggregateanschluß erkennbar.On the outer wall (10) is an integrally molded latching hook (13) for producing a secondary lock with the unit connection, not shown in the figure recognizable.

An die Unterseite des Umgehäuses (1) ist ein Fixiergehäuse (8) als eigenständiges Gehäuseteil über Rastelemente (14) angefügt. Wie die Hervorhebung durch einen eingezeichneten Kreisring zeigt, sind die Rastelemente (14) des Fixiergehäuses (8) in jeweils zwei Rastausnehmungen (15) des Umgehäuses (1) einfügbar, wodurch das Fixiergehäuse (8) gegenüber dem Umgehäuse (1) eine Vorrast- und eine Endraststellung einnehmen kann. Die Figuren 1 bis 3 zeigen das Fixiergehäuse (8) jeweils in der Vorraststellung.At the bottom of the Umgehäuses (1) a fixing housing (8) is added as an independent housing part via locking elements (14). As the emphasis by an indicated circular ring shows, the locking elements (14) of the fixing (8) in two locking recesses (15) of the Umgehäuses (1) can be inserted, whereby the fixing housing (8) relative to the surrounding housing (1) a Vorrast- and can take a final locked position. Figures 1 to 3 show the fixing housing (8) in each case in the pre-locking position.

In das Umgehäuse (1) sind von der Oberseite her zwei Hülsenkontakte (2) in den Aufnahmebereich (11) eingesetzt. In anderen Ebenen als der dargestellten Schnittebene kann das Umgehäuse (1) eventuell weitere Hülsenkontaktpaare aufweisen.In the surrounding housing (1), two sleeve contacts (2) are inserted from the upper side into the receiving area (11). In other planes than the illustrated sectional plane, the surrounding housing (1) may possibly have further sleeve contact pairs.

Einen Hülsenkontakt (2) als Einzelteil zeigt in zwei Darstellungen die Figur 5. Der Hülsenkontakt (2) besteht aus einem aus Metall geformten Grundkörper (4), der mit einer elektrischen Leitung (16) verbunden ist. Die elektrische Leitung (16) weist einen metallischen Leiter (17) auf, der mittels einer Crimpverbindung (20) elektrisch und mechanisch mit dem Grundkörper (4) verbunden ist. Ein die elektrische Leitung (16) umgebendes Dichtgummi (18) ist im Übergangsbereich von der Leitung (16) zum Grundkörper (4) über zwei Biegelaschen (19) am Grundkörper (4) befestigt.A sleeve contact (2) as a single part shows in two representations, the figure 5. The sleeve contact (2) consists of a molded metal base body (4) which is connected to an electrical line (16). The electrical line (16) has a metallic conductor (17), which by means of a Crimp connection (20) is electrically and mechanically connected to the base body (4). A sealing rubber (18) surrounding the electrical line (16) is fastened to the base body (4) via two bending tabs (19) in the transition region from the line (16) to the base body (4).

Den freien Endabschnitt des Grundkörpers (4) bilden zwei einstückig an den Grundkörper (4) angeformte, nebeneinanderliegende Kontaktlamellen (3), in deren Zwischenraum (21) ein nicht dargestellter flacher Steckerstift einfügbar ist. Die Enden der Kontaktlamellen (3) sind jeweils nach außen umgebogen. Dies ist in dreifacher Hinsicht vorteilhaft, da hierdurch erstens im Bereich des Zwischenraums (21) Kanten vermieden werden, die das Einfügen eines Steckerstifts behindern könnten. Aus dem gleichen Grund erleichtern die abgerundeten Enden zweitens das Einfügen des Hülsenkontakt in die Öffnungen des Aufnahmebereichs des Umgehäuses und drittens bilden die umgebogenen Endabschnitte der Kontaktlamellen (3) Rasthaken aus, die zur Befestigung des Hülsenkontakts (2) im Fixiergehäuse geeignet sind.The free end portion of the base body (4) form two integrally formed on the base body (4), adjacent contact blades (3), in the intermediate space (21), not shown flat plug pin can be inserted. The ends of the contact blades (3) are each bent to the outside. This is advantageous in three respects, as this firstly in the region of the gap (21) edges are avoided, which could hinder the insertion of a connector pin. For the same reason, the rounded ends secondly facilitate the insertion of the sleeve contact in the openings of the receiving area of the housing and thirdly form the bent end portions of the contact blades (3) locking hooks, which are suitable for fastening the sleeve contact (2) in the fixing.

Am Grundkörper (4) federnd befestigt ist eine den Grundkörperquerschnitt teilweise umgreifende Spannhülse (5). Die Spannhülse (5) besitzt in Querrichtung mehrere schlitzförmige Durchbrüche (9), welche eine flache Federkennlinie bewirken. Weiterhin ist die Spannhülse (5) entlang des Grundkörpers (4) verschieblich angeordnet. Befindet sich die Spannhülse (5) im Bereich der Kontaktlamellen (3), wie in der Teilfigur 5b dargestellt, so drückt die Spannhülse (5) die Kontaktlamellen (3) aufeinander zu. Ist die Spannhülse (5) dagegen, entsprechend der Ansicht in der Teilfigur 5a,entfernt von den Kontaktlamellen (3) angeordnet, so wirken von der Spannhülse (5) keine Druckkräfte auf die Kontaktlamellen (3). Die letztgenannte Anordnung der Spannhülse (5) auf dem Grundkörper (4) ermöglicht daher, einen Steckerstift kräftefrei in den Zwischenraum (21) zwischen den Kontaktlamellen (3) einzufügen.On the base body (4) resiliently attached to the body cross-section partially encompassing clamping sleeve (5). The clamping sleeve (5) has in the transverse direction a plurality of slot-shaped openings (9), which cause a flat spring characteristic. Furthermore, the clamping sleeve (5) along the base body (4) is arranged displaceably. If the clamping sleeve (5) is located in the area of the contact blades (3), as shown in the subfigure 5b, then the clamping sleeve (5) pushes the contact blades (3) towards each other. If the clamping sleeve (5), however, arranged according to the view in the sub-figure 5a, away from the contact blades (3), act from the clamping sleeve (5) no pressure forces on the contact blades (3). The latter arrangement of the clamping sleeve (5) on the base body (4) therefore allows a plug pin force-free in the space (21) inserted between the contact blades (3).

Die Figur 1 zeigt den Beginn des Einfügens von zwei Hülsenkontakten (2) in das Umgehäuse (1). Beim Einsetzen der Hülsenkontakte (2) in zylinderförmige Öffnungen des Aufnahmenbereichs (11), schließen die an den Hülsenkontakten (2) sitzenden Dichtgummis (18) die Öffnungen gegen Außeneinflüsse ab. Während des Einfügens verrasten die Spannhülsen (5) der Hülsenkontakte (2) mit an inneren Wänden des Aufnahmebereichs (11) angeformten Rastnasen (22), erkennbar in der Figur 3, und werden so am Umgehäuse (1) fixiert.FIG. 1 shows the beginning of the insertion of two sleeve contacts (2) into the surrounding housing (1). When inserting the sleeve contacts (2) into cylindrical openings of the receiving area (11), the sealing rubbers (18) seated on the sleeve contacts (2) close off the openings against external influences. During insertion, the clamping sleeves (5) of the sleeve contacts (2) lock with latching lugs (22) formed on inner walls of the receiving region (11), recognizable in FIG. 3, and thus fixed on the surrounding housing (1).

Befindet sich während dieser Montagephase eine der Spannhülsen (5) in der unteren, die Kontaktlamellen (3) schließenden Position entsprechend der Figur 5b, so verschiebt sich beim weiteren Einschieben des Hülsenkontaktes (2) der Grundkörper (4), wie in der Figur 2 angedeutet, relativ zur Spannhülse (5), bis schließlich die Spannhülse (5) die Kontaktlamellen (3) vollständig freigibt.If, during this assembly phase, one of the clamping sleeves (5) is in the lower position closing the contact blades (3) according to FIG. 5b, the base body (4) shifts as the sleeve contact (2) continues to slide in, as indicated in FIG , relative to the clamping sleeve (5), until finally the clamping sleeve (5) completely releases the contact blades (3).

Ist die in der Figur 3 dargestellte Endposition erreicht, so verrastet jeweils einer der umgebogenen Endabschnitte der Kontaktlamellen (3) an einem Vorsprung (23) des Fixiergehäuses (8). Hierdurch sind die Hülsenkontakte (2) sowohl mit dem Umgehäuse (1) als auch mit dem Fixiergehäuse (8) verbunden und gegen ein Herausziehen gesichert. Außerdem ist durch die Rastverbindungen zwischen der Spannhülse (5) und dem Umgehäuse (1) einerseits und dem Endabschnitten der Kontaktlamellen (3) und dem Fixiergehäuse (8) andererseits sichergestellt, daß durch die in dieser Fügephase noch gegeneinander unverschiebbar miteinander verbundenen Gehäuseteile (1, 8) die Kontaktlamellen (3) in der geöffneten Stellung, entsprechend der Figur 5a, gehalten werden, die ein kräftefreies Einsetzen von Steckerstiften (7) erlaubt.If the end position shown in FIG. 3 is reached, one of the bent-over end sections of the contact blades (3) in each case latches on a projection (23) of the fixing housing (8). As a result, the sleeve contacts (2) are connected both to the surrounding housing (1) and to the fixing housing (8) and secured against being pulled out. In addition, it is ensured by the snap-in connections between the clamping sleeve (5) and the surrounding housing (1) on the one hand and the end portions of the contact blades (3) and the fixing housing (8) on the other hand that by the in this joining phase still mutually immovably interconnected housing parts (1, 8), the contact blades (3) in the open position, according to the figure 5a, are held, which allows a force-free insertion of plug pins (7).

Die in den Figuren 1 bis 3 erkennbaren Steckerstifte (7) gehören zu einem in diesen Figuren nicht dargestellten Aggregateanschluß. Der Aggregateanschluß wird im allgemeinen erst nach dem Anfügen der Hülsenkontakte an das Umgehäuse und das Fixiergehäuse mit dem so gebildeten Steckverbinder verbunden.The plug pins (7) which can be seen in FIGS. 1 to 3 belong to an aggregate connection which is not shown in these figures. Of the Aggregate connection is generally connected only after the attachment of the sleeve contacts to the surrounding housing and the fixing housing with the connector thus formed.

Wie die Figur 6 zeigt, öffnet beim Verbinden der Steckverbinderteile der Aggregateanschluß (6) eine Arretierung (24), die die Position des Fixiergehäuses (8) relativ zum Umgehäuse (1) festlegt, so daß beim Verschieben des Aggregateanschlusses (6) in Richtung auf das Umgehäuse (1) der Aggregateanschluß (6) das nun frei beweglich gewordene Fixiergehäuse (8) mit sich führt.As shown in FIG. 6, when the connector parts are connected, the unit connection (6) opens a detent (24) which fixes the position of the fixing housing (8) relative to the surrounding housing (1), so that when the unit connection (6) is displaced in the direction of the surrounding housing (1) of the unit connection (6) carries the now freely movable fixing housing (8) with it.

Mit der Bewegung des Fixiergehäuses (8) werden wiederum die damit verrasteten Grundkörper (4) aller Hülsenkontakte (2) in Richtung auf die mit dem Umgehäuse (1) verbundenen Spannhülsen (5) verschoben, wodurch die Spannhülsen (5) die Kontaktlamellen (3) aller Hülsenkontakte (2) auf die eingefügten Steckerstifte (7) preßt.With the movement of the fixing housing (8), in turn, the base bodies (4) of all sleeve contacts (2) latched therewith are displaced in the direction of the clamping sleeves (5) connected to the surrounding housing (1), whereby the clamping sleeves (5) move the contact blades (3). all sleeve contacts (2) on the inserted pins (7) presses.

Die zur sicheren Kontaktierung der Hülsenkontakte (2) erforderliche Kontaktkraft entsteht somit durch die Anfügekraft des Aggregateanschlusses (6) an das Steckverbinderteil, und zwar erst nachdem die Steckerstifte (7) in die Hülsenkontakte (2) eingesetzt sind. Dabei sichert die nur durch das Einschieben des Aggregateanschlusses (6) aufhebbare Arretierung (24), daß die Hülsenkontakte (2) bis zum Anfügen des Aggregateanschlusses (6) offen gehalten werden.The contact force required for securely contacting the sleeve contacts (2) thus arises due to the adhesion force of the unit connection (6) to the connector part, and only after the connector pins (7) are inserted into the sleeve contacts (2). In this case, the detent (24) that can be lifted only by the insertion of the unit connection (6) ensures that the sleeve contacts (2) are kept open until the aggregate connection (6) is attached.

Die vollständig zusammengefügten Steckverbinderteile sind in der Figur 4 dargestellt. Hierbei sind die Wände des Aggregateanschlusses (6) weit in das Umgehäuse (1) einschoben, so daß sie am Dichtelement (12) anliegen, wodurch das Innere des Steckverbinders gut vor schädlichen Umwelteinflüssen, insbesondere vor Feuchtigkeit, geschützt ist. Der Rasthaken (13) verriegelt mit einer Kante (25) an der Außenwand des Aggregateanschlusses (6), wodurch die Steckverbinderteile (1, 6) auch formschlüssig miteinander verbunden sind. Das Rastelement (14) des Fixiergehäuses greift nun in die obere Rastausnehmung (15) des Umgehäuses (1) ein, so daß das Fixiergehäuse (8) gegenüber dem Umgehäuse (1) seine Endraststellung erreicht hat.The fully assembled connector parts are shown in FIG. Here, the walls of the unit connection (6) are far inserted into the surrounding housing (1), so that they rest on the sealing element (12), whereby the interior of the connector is well protected from harmful environmental influences, especially moisture. The latching hook (13) locks with an edge (25) on the outer wall of the Aggregate connection (6), whereby the connector parts (1, 6) are also positively connected to each other. The locking element (14) of the fixing housing now engages in the upper recess (15) of the Umgehäuses (1), so that the fixing housing (8) relative to the surrounding housing (1) has reached its final locked position.

Außerdem umschließen nun die Spannhülsen (5) aller Hülsenkontakte (2) die jeweiligen Kontaktlamellen (3) und bringen so die zur sicheren Kontaktierung der Steckerstifte (7) erforderliche Kontaktkraft auf.In addition, now enclose the clamping sleeves (5) of all sleeve contacts (2), the respective contact blades (3) and bring the required for safe contacting of the connector pins (7) contact force.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Umgehäusesurrounding housing
22
Hülsenkontaktesleeve contacts
33
KontaktlamellenMultilams
44
Grundkörperbody
55
Spannhülseclamping sleeve
66
AggregateanschlußAggregate connection
77
Steckerstiftepins
88th
Fixiergehäusefixator
99
schlitzförmige Durchbrücheslit-shaped openings
1010
Außenwandouter wall
1111
Aufnahmebereichreception area
1212
Dichtelementsealing element
1313
Rasthakenlatch hook
1414
Rastelementelocking elements
1515
Rastausnehmungenrecesses
1616
elektrische Leitungelectrical line
1717
Leiterladder
1818
Dichtgummirubber seal
1919
Biegelaschenbending ears
2020
Crimpverbindungcrimp
2121
Zwischenraumgap
2222
Rastnaselocking lug
2323
Vorsprunghead Start
2424
Arretierunglock
2525
Kanteedge

Claims (7)

Elektrischer Nullkraftsteckverbinder
mit einem Umgehäuse (1), welches Aufnahmen für mehrere Hülsenkontakte (2) aufweist,
wobei die Hülsenkontakte (2) jeweils einen Kontaktlamellen (3) ausbildenden Grundkörper (4) und eine gegenüber dem Grundkörper (4) verschiebliche Spannhülse (5) aufweisen,
und mit einem Aggregateanschluß (6), der die Hülsenkontakte (2) kontaktierende Steckerstifte (7) aufweist,
dadurch gekennzeichnet,
daß ein Fixiergehäuse (8) mit dem Umgehäuse (1) in einer Vorraststellung und in einer Endraststellung verrastbar ist,
daß der Aggregateanschluß (6) beim Anfügen an das Umgehäuse (1) eine arretierte Rastverbindung des Fixiergehäuses (8) am Umgehäuse (1) löst und das Fixiergehäuse (8) von der Vorraststellung in die Endraststellung überführt,
wobei gleichzeitig die Spannhülsen (5) entlang dem Grundkörper (4) der Hülsenkontakte (2) verschoben werden und die Spannhülsen (5) die Kontaktlamellen (3) an die Steckerstifte (7) des Aggregateanschlusses (6) anpressen.Electrical zero force connector
with a surrounding housing (1) which has receptacles for a plurality of sleeve contacts (2),
wherein the sleeve contacts (2) each have a contact blade (3) forming the base body (4) and a relative to the base body (4) displaceable clamping sleeve (5),
and with an aggregate connection (6) which has plug pins (7) which contact the sleeve contacts (2),
characterized,
that a fixing housing (8) with the surrounding housing (1) can be locked in a pre-latching position and in a final locked position,
that the aggregate connection (6) when attached to the surrounding housing (1) releases a locked locking connection of the fixing housing (8) on the surrounding housing (1) and transfers the fixing housing (8) from the pre-locking position into the final locking position,
at the same time the clamping sleeves (5) along the base body (4) of the sleeve contacts (2) are moved and the clamping sleeves (5) press the contact blades (3) to the plug pins (7) of the unit connection (6). Elektrischer Nullkraftsteckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Spannhülsen (5) mit dem Umgehäuse (1) und die Kontaktlamellen (3) mit dem Fixiergehäuse (8) verrastet sind.Electrical zero-force connector according to claim 1, characterized in that the clamping sleeves (5) with the surrounding housing (1) and the contact blades (3) with the fixing housing (8) are latched. Elektrischer Nullkraftsteckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Kontaktlamellen (3) an ihren Endabschnitten abgerundet sind.Electrical zero force connector according to claim 1, characterized in that the contact blades (3) are rounded at their end portions. Elektrischer Nullkraftsteckverbinder nach Anspruch 1 oder 3, dadurch gekennzeichnet, daß die Endabschnitte die Kontaktlamellen (3) umgebogen sind.Electrical zero-force connector according to claim 1 or 3, characterized in that the end portions are bent over the contact blades (3). Elektrischer Nullkraftsteckverbinder nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die abgerundeten Endabschnitte der Kontaktlamellen (3) Rastelelemente ausbilden, die mit dem Fixiergehäuse (8) verrastbar sind.Electrical zero-force connector according to claim 3 or 4, characterized in that the rounded end portions of the contact blades (3) form latching elements, which can be latched to the fixing housing (8). Elektrischer Nullkraftsteckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Spannhülse (5) federnd ausgebildet ist.Electrical zero-force connector according to claim 1, characterized in that the clamping sleeve (5) is resilient. Elektrischer Nullkraftsteckverbinder nach Anspruch 1 oder 6, dadurch gekennzeichnet, daß die Spannhülse (5) schlitzförmige Durchbrüche (9) aufweist.Electrical zero-force connector according to claim 1 or 6, characterized in that the clamping sleeve (5) has slot-shaped openings (9).
EP06017935A 2005-08-30 2006-08-29 Electrical zero insertion force connector Not-in-force EP1760837B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005040952A DE102005040952A1 (en) 2005-08-30 2005-08-30 Electrical zero force connector

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EP1760837A1 true EP1760837A1 (en) 2007-03-07
EP1760837B1 EP1760837B1 (en) 2008-02-06

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US (1) US7232323B2 (en)
EP (1) EP1760837B1 (en)
JP (1) JP4714109B2 (en)
AT (1) ATE385616T1 (en)
BR (1) BRPI0603849A (en)
DE (2) DE102005040952A1 (en)
ES (1) ES2303301T3 (en)

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JP4714109B2 (en) 2011-06-29
US20070049088A1 (en) 2007-03-01
ES2303301T3 (en) 2008-08-01
DE502006000331D1 (en) 2008-03-20
BRPI0603849A (en) 2007-04-27
EP1760837B1 (en) 2008-02-06
DE102005040952A1 (en) 2007-03-08
JP2007066895A (en) 2007-03-15
ATE385616T1 (en) 2008-02-15
US7232323B2 (en) 2007-06-19

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