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EP1300914B1 - Isolation element with short-circuit spring - Google Patents

Isolation element with short-circuit spring Download PDF

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Publication number
EP1300914B1
EP1300914B1 EP02019699A EP02019699A EP1300914B1 EP 1300914 B1 EP1300914 B1 EP 1300914B1 EP 02019699 A EP02019699 A EP 02019699A EP 02019699 A EP02019699 A EP 02019699A EP 1300914 B1 EP1300914 B1 EP 1300914B1
Authority
EP
European Patent Office
Prior art keywords
insulating body
plug
circuit spring
short circuit
generator
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
EP02019699A
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German (de)
French (fr)
Other versions
EP1300914A1 (en
Inventor
Michael Hirschmann
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.)
Amphenol Tuchel Electronics GmbH
Original Assignee
Amphenol Tuchel Electronics GmbH
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Filing date
Publication date
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Publication of EP1300914A1 publication Critical patent/EP1300914A1/en
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/703Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7032Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of a separate bridging element directly cooperating with the terminals

Definitions

  • the invention relates to an insulating body for installation in a (gas) generator as Part of a connector system with generator and plug for inflatable Restraint systems in motor vehicles.
  • Insulating body of this type are for example from the German Offenlegungsschriften 199 35 969 and 199 35 970 known.
  • the insulator serve, among other things, the recording a short-circuit spring, which is in two parts according to DE 199 35 970 A1 and according to DE 199 35 969 A1 complicated to be positioned in the insulating body.
  • finger-safe also "scoopproof” called
  • a first starting point for a constructive solution proposal is the following: Usually, the connector opposite, resilient locking tongues are present in the locking position relative to the box in corresponding recesses of the Compress generator housing. In this area, the socket housing must therefore already a have corresponding opening; to allow the compression of the locking lugs. Immediately behind these locking lugs are usually displaceable in the insertion direction Secondary locks (pins or rails) are provided to prevent the Locking lugs can move out of the locking openings uncontrolled again.
  • the secondary lock according to DE 195 13 358 C1 -im horizontal section considered a U-shape, wherein the cancellation of the short-circuit function by the Base legs done.
  • a common short-circuit spring is on corresponding portions of adjacent contact pins and is when inserted pushed away the secondary latch.
  • the direction of movement of the short-circuit spring is provided set according to the direction of movement of the locking arms, because in this direction the needed space already exists.
  • the invention then relates to an insulating body for Installation in a generator as part of a connector system with generator and Plug for inflatable restraint systems in motor vehicles according to the Claim 1
  • the short-circuit spring can be in one piece. She can at least two in the base leg Have recesses which engage around the contact pins at a distance. In this way the short-circuit spring runs on the bottom side (with its base leg) almost to the Contact pins around, the basic leg ultimately only the packaging in the Insulator serves.
  • the actual short-circuit function take over each other directed, conductively connected to the base leg contact tongues, for example can be cut out of the material of the U-legs.
  • the arrangement of the short-circuit spring can then be such that the U-legs substantially run parallel to the secondary locking elements of the associated connector and the Contact tongues are aligned so that they are separated from the secondary locking elements be taken when they are led to the final position.
  • the Pressed tongues in the same direction in which the latching arms move when snap it into the corresponding recesses of the can.
  • the insulating body which is used in an associated gas generator can For example, have a more or less round cross-sectional area, with an outer diameter substantially equal to the distance of the outer surfaces of corresponds to opposite latching arms of the plug. Also from this it becomes clear that with the described structure no broadening of the generator is necessary.
  • the insulating body in the lower Face has an opening which is slightly smaller (for example, shorter) than the base leg the short-circuit spring is. In this way, the shorting spring can over the opening "levered” and then aligned in the desired position in the insulating body become.
  • the following description of the figures shows this by way of example.
  • the opening in the lower end face in their outer dimensions the Be adjusted outside dimensions of the base leg of the short-circuit spring.
  • the Base leg of the short spring for example, more or less rectangular, so can also the recess be rectangular.
  • the short-circuit spring may have openings or cutouts in its base leg, through which the contact pins (spaced) are guided.
  • the Base leg for example meandering to lead and so opposite lateral To create openings for the contact pin.
  • the insulating body can be pre-assembled with the short-circuit spring. It can the Short-circuit spring on appropriate approaches, but possibly also (alone) due a certain bias, be assembled in the insulating body.
  • the insulator itself can be glued into an associated gas generator.
  • the spring may be constructed as a combined bending and / or torsion spring.
  • a can (a gas generator) 10 and the lower part of a associated plug 12 can be seen, which together form a connector system.
  • the Plug 12 is formed in the usual way with contact springs 14.1, 14.2, with associated contact pins 16.1, 16.2 to be contacted, which is part of the Generators 10 are.
  • a pot-like receptacle of the generator 10 is the in Figs. 3, 4 in perspective view illustrated insulating body 30th
  • Figures 1-4 show that the substantially circular lower End face 30u and circular upper end face 30o formed insulating one Diameter, which is substantially the distance of the outer surfaces of the latching arms 18.1, 18.2 (when mated).
  • the insulating body 30 include two extending in the insertion direction S guides 32.1, Provided 32.2, which serve to receive the contact pin 16.1, 16.2.
  • nubs 36n At the transition region between base legs 36b and U-legs 36u1, 36u2 to recognize nubs 36n on the outside. With these nubs 36n is the short-circuit spring 36th on a bottom-side circumferential step 30s of the insulating body 30. It runs the Base leg 36b substantially parallel to the end face 30u of the insulating body 30 and the U-legs 36u1, 36u2 substantially parallel to the contact pins 16.1, 16.2 or in plug-in direction S.
  • FIG. 6 shows the sleeve-like guide means 40.1, 40.2 for the contact springs 14.1, 14.2 and -schematisch- next to another, sleeve-like coding element 42, which in a corresponding recess 44 in the insulating body 30 can be used to an exact Alignment of connector 12 and 10 can be achieved.
  • coding elements can be next to or on the opposite side of the Guide means 40.1, 40.2 be arranged.
  • the coding element (s) generally run essentially axially, that is in the insertion direction. They can consist of solid material or Be hollow body. They can be designed in the manner of webs, wings or the like.
  • the Adjusting element according to Fig. 6 has an involute on average.
  • One (general) asymmetrical design of the individual coding elements ensures that Corresponding parts of the connector are not inserted incorrectly.
  • the guide means 40.1, 40.2 are rounded at the front (at the free end) at 40.3, 40.4. Together, the juxtaposed guide means 40.1, 40.2 an arrow-like or dome-like geometry at their free ends 40.3, 40.4 result.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Cookers (AREA)

Abstract

The insulating body (30) with upper and lower faces has a short circuit spring, and guides running over the entire length, parallel to plugging direction for receiving two contact pins (16.1,16.2). The spring has a bottom leg running parallel to the lower face and two U-legs running towards the upper face. Contact tongues (36z1, 36z2) press against the pins in an unplugged state.

Description

Die Erfindung betrifft einen Isolierkörper zum Einbau in einen (Gas-)Generator als Bestandteil eines Steckverbinder-Systems mit Generator und Stecker für aufblasbare Rückhaltesysteme in Kraftfahrzeugen.The invention relates to an insulating body for installation in a (gas) generator as Part of a connector system with generator and plug for inflatable Restraint systems in motor vehicles.

Isolierkörper dieser Art sind beispielsweise aus den deutschen Offenlegungsschriften 199 35 969 und 199 35 970 bekannt. Die Isolierkörper dienen unter anderem der Aufnahme einer Kurzschlussfeder, die gemäß DE 199 35 970 A1 zweiteilig ist und gemäß DE 199 35 969 A1 kompliziert im Isolierkörper positioniert werden muss. Insulating body of this type are for example from the German Offenlegungsschriften 199 35 969 and 199 35 970 known. The insulator serve, among other things, the recording a short-circuit spring, which is in two parts according to DE 199 35 970 A1 and according to DE 199 35 969 A1 complicated to be positioned in the insulating body.

Für Steckverbinder der genannten Art wird unter anderem verlangt, dass die im Bereich des Generators (einer Dose) angeordneten Kontaktstifte gegen ein schaufelartiges Eintauchen des vorderen Gehäuserandes des Gegensteckers berührungssicher angeordnet sind (auch "scoopproof" genannt). Auf diese Weise soll verhindert werden, dass zum Beispiel bei einem Schrägaufsetzen des Steckerteils auf die Kontaktstifte der Dose (des Generators) die Kontaktstifte verbogen werden und es zu Fehlkontaktierungen kommen kann.For connectors of the type mentioned is required, inter alia, that in the field of Generator (a box) arranged pins against a scoop-like immersion of the front housing edge of the mating connector are arranged finger-safe (also "scoopproof" called). In this way it should be prevented that, for example, at a Sliding the plug part onto the contact pins of the socket (of the generator) Contact pins are bent and it can come to faulty contacts.

Zu diesem Zweck ist es bekannt, die Kontaktstifte zu verkürzen, so dass sie erst nach einer definierten Führungsstrecke des Steckers von den zugehörigen Kontaktfedern erfasst werden.For this purpose it is known to shorten the contact pins so that they only after a defined guide path of the plug are detected by the associated contact springs.

Diese Maßnahme ist jedoch nicht in jedem Fall möglich. So sind bestimmte Stecksysteme dimensionsmäßig definiert.However, this measure is not possible in every case. So are some plug-in systems dimensionally defined.

Hier setzt die der Erfindung zugrundeliegende Aufgabe an. Es soll eine Möglichkeit aufgezeigt werden, die verlangte Stecksicherheit auch ohne verkürzte Kontaktstifte zu schaffen und ohne sonstige dimensionsmäßige Veränderung des Steckverbindersystems.This is where the invention of the underlying task. It should be a possibility be shown, the required security even without shortened pins create and without any dimensional change in the connector system.

Dabei ist zu berücksichtigen, dass im Bereich des Generators beziehungsweise eines im Generator angeordneten Isolierkörpers einerseits die Kontaktstifte für die Steckverbindungen platziert werden müssen, andererseits auch die erwähnte Kurzschlussfeder, wobei die Funktion dieser Feder erst dann aufgehoben werden darf, wenn Stecker und Generator (Dose) vollständig in ihrer Verriegelungsposition sind. It should be noted that in the area of the generator or an im Generator arranged insulator on the one hand, the contact pins for the connectors on the other hand, the mentioned short-circuit spring, the Function of this spring may only be canceled if plug and generator (box) are completely in their locked position.

Ein erster Ansatzpunkt für einen konstruktiven Lösungsvorschlag ist folgender: Üblicherweise sind am Stecker gegenüberliegende, federnde Rastzungen vorhanden, die in der Verriegelungsposition gegenüber der Dose in korrespondierende Rastausnehmungen des Generator-Gehäuses einfedern. In diesem Bereich muss das Dosengehäuse also bereits eine entsprechende Öffnung aufweisen; um das Einfedern der Rastnasen zu ermöglichen. Unmittelbar hinter diesen Rastnasen sind üblicherweise in Steckrichtung verschiebbare Sekundärverriegelungen (Stifte oder Schienen) vorgesehen, die verhindern, dass die Rastnasen sich unkontrolliert aus den Rastöffnungen wieder herausbewegen können.A first starting point for a constructive solution proposal is the following: Usually, the connector opposite, resilient locking tongues are present in the locking position relative to the box in corresponding recesses of the Compress generator housing. In this area, the socket housing must therefore already a have corresponding opening; to allow the compression of the locking lugs. Immediately behind these locking lugs are usually displaceable in the insertion direction Secondary locks (pins or rails) are provided to prevent the Locking lugs can move out of the locking openings uncontrolled again.

Für diese Sekundärverriegelungen ist es ebenfalls bekannt (DE 195 13 358 C1), dass sie gleichzeitig dazu dienen, eine Kurzschlussbrücke zwischen korrespondierenden Kontaktstiften aufzuheben.For these secondary locks, it is also known (DE 195 13 358 C1) that they serve simultaneously to create a shorting bridge between corresponding ones Pick up pins.

Dazu weist die Sekundärverriegelung gemäß DE 195 13 358 C1 -im Horizontalschnitt betrachtet- eine U-Form auf, wobei die Aufhebung der Kurzschlussfunktion durch den Basisschenkel erfolgt. Mit anderen Worten: Eine gemeinsame Kurzschlussfeder liegt auf korrespondierenden Abschnitten benachbarter Kontaktstifte auf und wird beim Einschieben der Sekundärverriegelung weggedrückt.For this purpose, the secondary lock according to DE 195 13 358 C1 -im horizontal section considered a U-shape, wherein the cancellation of the short-circuit function by the Base legs done. In other words: A common short-circuit spring is on corresponding portions of adjacent contact pins and is when inserted pushed away the secondary latch.

Hinsichtlich des benötigten Platzbedarfes folgt daraus, dass sowohl in Bewegungsrichtung der Kurzschlussfeder als auch senkrecht dazu, also in Bewegungsrichtung der erwähnten Rastnasen, entsprechend Raum geschaffen werden muss.With regard to the required space, it follows that both in the direction of movement of the Short-circuit spring as well as perpendicular thereto, ie in the direction of movement of the mentioned Locking noses, according to space needs to be created.

Vom Dokument DE 36 23 993 A1 ist eine elektrische Kontaktsteckverbindung mit kurzschluss federn bekannt.From document DE 36 23 993 A1 is a electrical contact connector with short circuit springs known.

Erfindungemäß ist dagegen vorgesehen, die Bewegungsrichtung der Kurzschlussfeder entsprechend der Bewegungsrichtung der Rastarme einzustellen, weil in dieser Richtung der benötigte Platz bereits vorhanden ist. However, according to the invention, the direction of movement of the short-circuit spring is provided set according to the direction of movement of the locking arms, because in this direction the needed space already exists.

In ihrer allgemeinste Ausführungsform betrifft die Erfindung danach einen Isolierkörper zum Einbau in einen Generator als Bestandteil eines Steckverbinder-Systems mit Generator und Stecker für aufblasbare Rückhaltesysteme in Kraftfahrzeugen gemäß dem Anspruch 1In its most general embodiment, the invention then relates to an insulating body for Installation in a generator as part of a connector system with generator and Plug for inflatable restraint systems in motor vehicles according to the Claim 1

Dabei kann die Kurzschlussfeder einteilig sein. Sie kann im Basisschenkel mindestens zwei Aussparungen aufweisen, die die Kontaktstifte mit Abstand umgreifen. Auf diese Weise verläuft die Kurzschlussfeder bodenseitig (mit ihrem Basisschenkel) quasi um die Kontaktstifte herum, wobei der Basischenkel letztendlich nur der Konfektionierung im Isolierkörper dient. Die eigentliche Kurzschlussfunktion übernehmen die gegeneinander gerichteten, mit dem Basisschenkel leitend verbundenen Kontaktzungen, die beispielsweise aus dem Material der U-Schenkel ausgeschnitten sein können. In this case, the short-circuit spring can be in one piece. She can at least two in the base leg Have recesses which engage around the contact pins at a distance. In this way the short-circuit spring runs on the bottom side (with its base leg) almost to the Contact pins around, the basic leg ultimately only the packaging in the Insulator serves. The actual short-circuit function take over each other directed, conductively connected to the base leg contact tongues, for example can be cut out of the material of the U-legs.

Die Anordnung der Kurzschlussfeder kann dann so sein, dass die U-Schenkel im wesentlichen parallel zu den Sekundärverriegelungs-Elementen des zugehörigen Steckers verlaufen und die Kontaktzungen so aufeinander zugerichtet sind, dass sie von den Sekundärverriegelungs-Elementen ergriffen werden, wenn diese in die Endposition geführt werden. Dabei werden die Kontaktzungen in die selbe Richtung weggedrückt, in die sich die Rastarme bewegen, wenn sie in die korrespondierenden Rastausnehmungen der Dose einschnappen.The arrangement of the short-circuit spring can then be such that the U-legs substantially run parallel to the secondary locking elements of the associated connector and the Contact tongues are aligned so that they are separated from the secondary locking elements be taken when they are led to the final position. Here are the Pressed tongues in the same direction in which the latching arms move when snap it into the corresponding recesses of the can.

Der Isolierkörper, der in einen zugehörigen Gas-Generator eingesetzt wird, kann beispielsweise eine mehr oder weniger runde Querschnittsfläche aufweisen, und zwar mit einem Außendurchmesser, der im wesentlichen dem Abstand der Außenflächen der gegenüberliegenden Rastarme des Steckers entspricht. Auch hieraus wird deutlich, dass mit dem beschriebenen Aufbau keine Verbreiterung des Generators notwendig ist.The insulating body, which is used in an associated gas generator can For example, have a more or less round cross-sectional area, with an outer diameter substantially equal to the distance of the outer surfaces of corresponds to opposite latching arms of the plug. Also from this it becomes clear that with the described structure no broadening of the generator is necessary.

Um die insbesondere einteilige Kurzschlussfeder im Isolierkörper überhaupt positionieren zu können sieht eine Ausführungsform der Erfindung vor, dass der Isolierkörper in der unteren Stirnfläche eine Öffnung aufweist, die geringfügig kleiner (z.B. kürzer) als der Basisschenkel der Kurzschlussfeder ist. Auf diese Weise kann die Kurzschlussfeder über die Öffnung "eingehebelt" und anschließend in der gewünschten Position im Isolierkörper ausgerichtet werden. Die anschließende Figurenbeschreibung zeigt dies beispielhaft.In order to even position the particular one-piece short spring in the insulating body can provide an embodiment of the invention that the insulating body in the lower Face has an opening which is slightly smaller (for example, shorter) than the base leg the short-circuit spring is. In this way, the shorting spring can over the opening "levered" and then aligned in the desired position in the insulating body become. The following description of the figures shows this by way of example.

Dabei kann die Öffnung in der unteren Stirnfläche in ihren Außenabmessungen den Außenabmessungen des Basisschenkels der Kurzschlussfeder angepasst sein. Ist der Basisschenkel der Kurzschlussfeder beispielsweise mehr oder weniger rechteckig, so kann auch die Aussparung rechteckig sein. In this case, the opening in the lower end face in their outer dimensions the Be adjusted outside dimensions of the base leg of the short-circuit spring. Is the Base leg of the short spring, for example, more or less rectangular, so can also the recess be rectangular.

Die Kurzschlussfeder kann in ihrem Basisschenkel Öffnungen oder Ausschnitte aufweisen, durch die die Kontaktstifte (beabstandet) geführt werden. Es ist aber auch möglich, den Basisschenkel beispielsweise mäanderförmig zu führen und so gegenüberliegende seitliche Öffnungen für die Kontaktstift zu schaffen.The short-circuit spring may have openings or cutouts in its base leg, through which the contact pins (spaced) are guided. But it is also possible, the Base leg, for example meandering to lead and so opposite lateral To create openings for the contact pin.

Eine weitere Möglichkeit für die Öffnungen/Aussparungen in der Kurzschlussfeder besteht darin, Aussparungen im Basisschenkel in die seitlichen U-Schenkel fortzuführen und dabei gleichzeitig die Kontaktzungen mit auszuschneiden. Auch diese Ausführungsform ist in der nachfolgenden Ausführungsform dargestellt.Another possibility for the openings / recesses in the short-circuit spring exists It continues to recesses in the base leg in the lateral U-legs and thereby at the same time to cut out the tongues. This embodiment is also in shown in the following embodiment.

Der Isolierkörper kann mit der Kurzschlussfeder vorkonfektioniert werden. Dabei kann die Kurzschlussfeder über entsprechende Ansätze, gegebenenfalls aber auch (allein) aufgrund einer gewissen Vorspannung, im Isolierkörper konfektioniert werden. Der Isolierkörper selbst kann in einen zugehörigen Gas-Generator eingeklebt werden.The insulating body can be pre-assembled with the short-circuit spring. It can the Short-circuit spring on appropriate approaches, but possibly also (alone) due a certain bias, be assembled in the insulating body. The insulator itself can be glued into an associated gas generator.

Die Feder kann als kombinierte Biege- und/oder Torsionsfeder aufgebaut sein.The spring may be constructed as a combined bending and / or torsion spring.

Weitere Merkmale der Erfindung ergeben sich aus den Merkmalen der Unteransprüche sowie den sonstigen Anmeldungsunterlagen.Further features of the invention will become apparent from the features of the dependent claims and the other application documents.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles näher erläutert. Dabei zeigen

Fig. 1:
einen teilweise weggeschnittenen Längsschnitt durch ein Steckverbinder-System im unverriegelten Zustand
Fig. 2:
wie Fig. 1, jedoch im verriegelten Zustand
Fig. 3:
eine perspektivische Ansicht von der Steckseite auf einen Isolierkörper im Gasgenerator gemäß Figuren 1, 2
Fig. 4:
wie Fig. 3, jedoch Ansicht von der Generatorseite
Fig. 5:
eine perspektivische Ansicht der Kurzschlussfedern nach den Figuren 1, 2
Fig. 6:
eine perspektivische Ansicht des Steckteils des Steckers nach den Figuren 1, 2
The invention will be explained in more detail below with reference to an embodiment. Show
Fig. 1:
a partially cutaway longitudinal section through a connector system in the unlocked state
Fig. 2:
as shown in Fig. 1, but in the locked state
3:
a perspective view of the mating side of an insulating body in the gas generator according to Figures 1, 2
4:
like Fig. 3, but view from the generator side
Fig. 5:
a perspective view of the short-circuit springs according to Figures 1, 2
Fig. 6:
a perspective view of the male part of the plug according to Figures 1, the second

In den Figuren sind gleiche oder gleichwirkende Bauteile mit gleichen Bezugsziffern dargestellt.In the figures, the same or equivalent components with the same reference numerals shown.

In den Figuren 1 und 2 ist eine Dose (ein Gas-Generator) 10 und der untere Teil eines zugehörigen Steckers 12 zu erkennen, die gemeinsam ein Steckverbinder-System bilden. Der Stecker 12 ist in üblicher Weise mit Kontaktfedern 14.1, 14.2 ausgebildet, die mit zugehörigen Kontaktstiften 16.1, 16.2 kontaktiert werden sollen, die Bestandteil des Generators 10 sind.In Figs. 1 and 2, a can (a gas generator) 10 and the lower part of a associated plug 12 can be seen, which together form a connector system. Of the Plug 12 is formed in the usual way with contact springs 14.1, 14.2, with associated contact pins 16.1, 16.2 to be contacted, which is part of the Generators 10 are.

Neben den Kontaktfedern 14.1, 14.2 verlaufen in Steckrichtung S auf gegenüberliegenden Seiten des Steckers 12 Rastarme 18.1, 18.2 mit nach Außen gerichteten Rastnasen 18.1n, 18.2n, die beim Aufsetzen des Steckers 12 auf den Generator 10 zunächst nach innen (gegeneinander) geführt werden, bevor sie jeweils nach außen in korrespondierenden Rastöffnungen 20.1, 20.2 der Umfangswand des Generators 10 einfedern.In addition to the contact springs 14.1, 14.2 extend in the insertion direction S on opposite Sides of the plug 12 latching arms 18.1, 18.2 with outwardly directed locking lugs 18.1n, 18.2n, the first upon insertion of the plug 12 to the generator 10 inside (against each other) are led before they respectively in the outward in corresponding Snap openings 20.1, 20.2 of the peripheral wall of the generator 10 spring.

Unmittelbar hinter den Rastarmen 18.1, 18.2 verlaufen in Steckrichtung S bewegbare Elemente 22.1, 22.2 zur Sekundärverriegelung der Rastarme 18.1, 18.2.Immediately behind the locking arms 18.1, 18.2 extend in the insertion direction S movable Elements 22.1, 22.2 for secondary locking of the latching arms 18.1, 18.2.

In einer topfartigen Aufnahme des Generators 10 liegt der in den Figuren 3, 4 in perspektivischer Ansicht dargestellte Isolierkörper 30. In a pot-like receptacle of the generator 10 is the in Figs. 3, 4 in perspective view illustrated insulating body 30th

Die Figuren 1-4 lassen erkennen, dass der mit im wesentlichen kreisförmiger unterer Stirnfläche 30u und kreisförmiger oberer Stirnfläche 30o ausgebildeter Isolierkörper einen Durchmesser aufweist, der im wesentlichen dem Abstand der Außenflächen der Rastarme 18.1, 18.2 (im gesteckten Zustand) entspricht.Figures 1-4 show that the substantially circular lower End face 30u and circular upper end face 30o formed insulating one Diameter, which is substantially the distance of the outer surfaces of the latching arms 18.1, 18.2 (when mated).

Im Isolierkörper 30 sind unter anderem zwei in Steckrichtung S verlaufende Führungen 32.1, 32.2 vorgesehen, die der Aufnahme der Kontaktstift 16.1, 16.2 dienen.In the insulating body 30 include two extending in the insertion direction S guides 32.1, Provided 32.2, which serve to receive the contact pin 16.1, 16.2.

In der unteren Stirnfläche 30u ist eine rechteckige Öffnung 34 zu erkennen, die bei der Montage der Zuführung einer Kurzschlussfeder 36 dient, die im einzelnen in Figur 5 dargestellt ist.In the lower end face 30u a rectangular opening 34 can be seen, which in the Assembly of the supply of a short-circuit spring 36 is used, in detail in Figure 5 is shown.

Sie besitzt im wesentlichen eine U-Form mit einem Basisschenkel 36b und zwei U-Schenkeln 36u1, 36u2. Etwa von der Mitte des Basisschenkels 36b verlaufen in Richtung auf die U-Schenkel 36u1, 36u2 Ausnehmungen 36a1, 36a2, die in die U-Schenkel 36u1, 36u2 übergehen, wo gleichzeitig etwa mittige Kontaktzungen 36z1, 36z2 ausgeformt werden, die gegeneinander gerichtet sind.It has a substantially U-shape with a base leg 36b and two U-legs 36u1, 36u2. Approximately from the center of the base leg 36b extending in the direction of the U-legs 36u1, 36u2 recesses 36a1, 36a2, in the U-legs 36u1, 36u2 go over where at the same time approximately central contact tongues 36z1, 36z2 are formed, the are directed against each other.

Am Übergangsbereich zwischen Basisschenkel 36b und U-Schenkeln 36u1, 36u2 sind außenseitig Noppen 36n zu erkennen. Mit diesen Noppen 36n liegt die Kurzschlussfeder 36 auf einer bodenseitig umlaufenden Stufe 30s des Isolierkörpers 30 auf. Dabei verläuft der Basisschenkel 36b im wesentlichen parallel zur Stirnfläche 30u des Isolierkörpers 30 und die U-Schenkel 36u1, 36u2 im wesentlichen parallel zu den Kontaktstiften 16.1, 16.2 beziehungsweise in Steckrichtung S.At the transition region between base legs 36b and U-legs 36u1, 36u2 to recognize nubs 36n on the outside. With these nubs 36n is the short-circuit spring 36th on a bottom-side circumferential step 30s of the insulating body 30. It runs the Base leg 36b substantially parallel to the end face 30u of the insulating body 30 and the U-legs 36u1, 36u2 substantially parallel to the contact pins 16.1, 16.2 or in plug-in direction S.

Im unverriegelten Zustand von Dose 10 und Stecker 12 liegen die Kontaktzungen 36z1, 36z2 an gegenüberliegenden Umfangsflächen der Kontaktstifte 16.1, 16.2 an, wie Figur 1 zeigt. In the unlocked state of can 10 and plug 12 are the contact tongues 36z1, 36z2 on opposite peripheral surfaces of the contact pins 16.1, 16.2, as Figure 1 shows.

Nach Aktivierung der Sekundärverriegelungselemente 22.1, 22.2 und deren Verschiebung in Steckrichtung S stoßen diese zu gegebener Zeit gegen die Kontaktzungen 36z1, 36z2 und lösen diese von den Kontaktstiften 16.1, 16.2 (Figur 2).After activation of the secondary locking elements 22.1, 22.2 and their displacement in Plug-in direction S encounter them at the appropriate time against the contact tongues 36z1, 36z2 and solve these of the contact pins 16.1, 16.2 (Figure 2).

Da die U-Schenkel 36u1, 36u2 im wesentlichen parallel zu den Rastarmen 18.1, 18.2 verlaufen und die Bewegungsrichtung der Kontaktzungen 36z1, 36z2 im wesentlichen gleich der Bewegungsrichtung der Rastarme 18.1, 18.2 ist ( wenn diese in die Rastausnehmungen 20.1, 20.2 einfedern) ergibt sich, dass das für die Rastarme benötigte Bewegungsspiel in der Bewegungsrichtung für die Rastarme 18.1, 18.2 liegt. Auf diese Weise kann die Kurzschlussfeder 36 im Isolierkörper 30 konfektioniert werden, ohne die Stecköffnung in der Dose vergrößern zu müssen.Since the U-legs 36u1, 36u2 substantially parallel to the latching arms 18.1, 18.2 run and the direction of movement of the contact tongues 36z1, 36z2 substantially equal the direction of movement of the latching arms 18.1, 18.2 is (if this in the recesses 20.1, 20.2 compress) results in that the movement required for the locking arms in the Movement direction for the latching arms 18.1, 18.2 is located. In this way, the Short-circuit spring 36 are assembled in the insulating body 30, without the insertion opening in the To be able to enlarge the can.

Figur 6 zeigt die hülsenartigen Führungsmittel 40.1, 40.2 für die Kontaktfedern 14.1, 14.2 sowie -schematisch- daneben ein weiteres, hülsenartiges Kodier-Element 42, welches in eine korrespondierende Ausnehmung 44 im Isolierkörper 30 einsetzbar ist, um eine exakte Ausrichtung von Stecker 12 und Dose 10 zu erreichen.FIG. 6 shows the sleeve-like guide means 40.1, 40.2 for the contact springs 14.1, 14.2 and -schematisch- next to another, sleeve-like coding element 42, which in a corresponding recess 44 in the insulating body 30 can be used to an exact Alignment of connector 12 and 10 can be achieved.

Weitere Kodier-Elemente können daneben oder auf der gegenüberliegenden Seite der Führungsmittel 40.1, 40.2 angeordnet sein. Das oder die Kodier-Elemente verlaufen generell im Wesentlichen axial, das heißt in Steckrichtung. Sie können aus Vollmaterial bestehen oder Hohlkörper sein. Sie lassen sich nach Art von Stegen, Flügeln oder dergleichen gestalten. Das Justierelement nach Fig. 6 hat im Schnitt eine Evolventenform. Eine (generell) unsymmetrische Bauform der einzelnen Kodier-Elemente stellt sicher, dass korrespondierende Teile des Steckverbinders nicht falsch gesteckt werden.Other coding elements can be next to or on the opposite side of the Guide means 40.1, 40.2 be arranged. The coding element (s) generally run essentially axially, that is in the insertion direction. They can consist of solid material or Be hollow body. They can be designed in the manner of webs, wings or the like. The Adjusting element according to Fig. 6 has an involute on average. One (general) asymmetrical design of the individual coding elements ensures that Corresponding parts of the connector are not inserted incorrectly.

Die Führungsmittel 40.1, 40.2 sind vorne (am freien Ende) bei 40.3, 40.4 abgerundet. Zusammen können die nebeneinander angeordneten Führungsmittel 40.1, 40.2 eine pfeilartige oder domartige Geometrie an ihren freien Enden 40.3, 40.4 ergeben.The guide means 40.1, 40.2 are rounded at the front (at the free end) at 40.3, 40.4. Together, the juxtaposed guide means 40.1, 40.2 an arrow-like or dome-like geometry at their free ends 40.3, 40.4 result.

Claims (9)

  1. An insulating body for installation in a generator (10) as a component of a plug-in connector system having a generator (10) and a plug (12) for inflatable restraint systems in motor vehicles, having the following features:
    a) The insulating body (30) has guides (32.1, 32.2) running parallel to the plugging direction (S) to receive two contact pins (16.1, 16.2), which are a component of generator (10),
    b) the guides (32.1, 32.2) run over the entire height of the insulating body (30) from a lower face to an upper face (30u, 30o),
    c) a U-shaped short circuit spring (36), which is constructed as follows, is arranged in the insulating body (30):
    c1) a bottom leg (36b) runs parallel to the lower face (30u) of the insulating body (30),
    c2) two U-legs (36u1, 36u2) run in the direction toward the upper face (30o) of the insulating body (30),
    c3) contact tongues (36z1, 36z2) pointed toward one another, which each butt against a contact pin (16.1, 16.2) in the unplugged state of the plug-in connector system, project from the U-legs (36u1, 36u2),
    d) an opening (34) in the lower face (30u) which is slightly smaller than the bottom leg (36b) of the short circuit spring (36).
  2. The insulating body according to Claim 1, having a one-piece short circuit spring (36).
  3. The insulating body according to Claim 2,
    wherein the external dimensions of the opening (34) in the lower face (30u) are tailored to the external dimensions of the bottom leg (36b) of the short circuit spring (36).
  4. The insulating body according to Claim 1,
    whose short circuit spring (36) has at least two recesses (36a1, 36a2) in the bottom leg (36b), which encompass the contact pins (16.1, 16.2) with clearance.
  5. The insulating body according to Claim 4,
    wherein the recesses (36a1, 36a2) are extended into the lateral U-legs (36u1, 36u2) and at the same time cut out the contact tongues (36z1, 36z2).
  6. The insulating body according to Claim 1,
    wherein the short circuit spring (36) is arranged in such a way that its U-legs (36u1, 36u2) press against the contact pins (16.1, 16.2) on opposing outer sides.
  7. The insulating body according to Claim 1,
    having at least one further receptacle opening (44) in the plugging direction (S) to receive at least one justification means (42) as a component of an associated plug (12).
  8. A generator as a component of a plug-in connector system together with a plug for inflatable restraint systems in motor vehicles, having an insulating body according to one of Claims 1-7,
    wherein the U-legs (36u1, 36u2) of the short circuit spring (36) run essentially parallel to the latching arms (18.1, 18.2) of the associated plug (12).
  9. A plug as a component of a plug-in connector system together with a generator for inflatable restraint systems in motor vehicles according to claim 8, having guide means (40.1, 40.2) for contact springs, wherein the guide means (40.1, 40.2) are rounded on their front, free ends (40.3, 40.4).
EP02019699A 2001-09-26 2002-09-04 Isolation element with short-circuit spring Expired - Lifetime EP1300914B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10147967A DE10147967A1 (en) 2001-09-26 2001-09-26 insulator
DE10147967 2001-09-26

Publications (2)

Publication Number Publication Date
EP1300914A1 EP1300914A1 (en) 2003-04-09
EP1300914B1 true EP1300914B1 (en) 2005-04-20

Family

ID=7700695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02019699A Expired - Lifetime EP1300914B1 (en) 2001-09-26 2002-09-04 Isolation element with short-circuit spring

Country Status (8)

Country Link
US (1) US6726495B2 (en)
EP (1) EP1300914B1 (en)
JP (1) JP4080286B2 (en)
KR (1) KR20030027734A (en)
AT (1) ATE293845T1 (en)
DE (2) DE10147967A1 (en)
ES (1) ES2240624T3 (en)
PT (1) PT1300914E (en)

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US7131854B1 (en) * 2005-08-31 2006-11-07 Lear Corporation Electrical connector and airbag apparatus having an electrical connector
DE102006033173A1 (en) * 2006-07-18 2008-01-24 Robert Bosch Gmbh Electrical plug connection for airbag control device, has short circuit bridging unit displaced with respect to housing during separation or disconnection of plugs, and electrically connecting contacts with each other by displacement
US7306474B1 (en) * 2006-10-16 2007-12-11 Fci Americas Technology, Inc. Electrical connector with scoop proof dome
US7537473B2 (en) * 2007-06-28 2009-05-26 Fci Americas Technology, Inc. Low profile shorting bar for electrical connector

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DE3623993A1 (en) * 1986-07-16 1988-01-21 Elco Elektronik Gmbh Compact electrical plug connection
DE8901560U1 (en) * 1988-11-04 1990-03-15 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Electrical contact device of an airbag
DE4140692A1 (en) * 1991-12-10 1993-06-17 Trw Repa Gmbh ELECTRICAL CONNECTING TO A PYROTECHNICAL GAS GENERATOR PROVIDED WITH ELECTRICAL IGNITION
EP0650229A3 (en) * 1993-10-22 1997-01-02 Amphenol Tuchel Elect Airbag safety system.
US5529507A (en) * 1995-01-09 1996-06-25 General Motors Corporation Connector assembly having double ended shorting clip
DE19513358C1 (en) * 1995-04-08 1996-08-08 Amphenol Tuchel Elect Electrical in-line connector with contact engagement interlock
US5924885A (en) * 1997-07-10 1999-07-20 Framatome Connectors Interlock, Inc. Axial connection with position assurance system
DE19735168C2 (en) * 1997-08-14 2001-09-20 Amphenol Tuchel Elect Electrical connector
DE19935970C2 (en) 1999-07-30 2002-01-17 Framatome Connectors Int Short-circuit contact carrier for a fuse base
DE19935969C2 (en) 1999-07-30 2001-12-13 Framatome Connectors Int Short-circuit contact carrier for fuse base
EP1137115A3 (en) * 2000-01-25 2002-04-10 AMPHENOL-TUCHEL ELECTRONICS GmbH Electrical plug
DE10044790C1 (en) * 2000-09-11 2002-04-04 Contact Gmbh Insulating body for a connector for the transmission of optical and electrical signals

Also Published As

Publication number Publication date
DE10147967A1 (en) 2003-04-30
JP4080286B2 (en) 2008-04-23
DE50202833D1 (en) 2005-05-25
US6726495B2 (en) 2004-04-27
KR20030027734A (en) 2003-04-07
ES2240624T3 (en) 2005-10-16
JP2003109714A (en) 2003-04-11
ATE293845T1 (en) 2005-05-15
US20030060070A1 (en) 2003-03-27
EP1300914A1 (en) 2003-04-09
PT1300914E (en) 2005-08-31

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