EP1300914A1 - Isolation element with short-circuit spring - Google Patents

Isolation element with short-circuit spring Download PDF

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Publication number
EP1300914A1
EP1300914A1 EP02019699A EP02019699A EP1300914A1 EP 1300914 A1 EP1300914 A1 EP 1300914A1 EP 02019699 A EP02019699 A EP 02019699A EP 02019699 A EP02019699 A EP 02019699A EP 1300914 A1 EP1300914 A1 EP 1300914A1
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EP
European Patent Office
Prior art keywords
insulating body
short
circuit spring
legs
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.)
Granted
Application number
EP02019699A
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German (de)
French (fr)
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EP1300914B1 (en
Inventor
Michael Hirschmann
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Amphenol Tuchel Electronics GmbH
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Amphenol Tuchel Electronics GmbH
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Publication of EP1300914A1 publication Critical patent/EP1300914A1/en
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    • 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
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7032—Shorting, 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 bodies of this type are, for example, from the German published documents 199 35 969 and 199 35 970.
  • the insulating bodies are used, among other things, for 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 must be positioned in the insulator in a complicated manner.
  • a first starting point for a constructive solution proposal is the following: Opposite, resilient latching tongues are usually present on the plug and deflect in the latching position relative to the socket in corresponding latching recesses in the generator housing. In this area, the box housing must already have a corresponding opening; to allow the locking lugs to compress. Immediately behind these locking lugs, secondary locking devices (pins or rails) which can be displaced in the plugging direction are provided, which prevent the locking lugs from moving out of the locking openings in an uncontrolled manner.
  • the secondary locking device has a horizontal section considered - a U-shape, the cancellation of the short-circuit function by the Base leg is done.
  • the direction of movement of the short-circuit spring is provided according to the direction of movement of the locking arms, because in this direction the required space already exists.
  • the short-circuit spring can be in one piece. It can have at least two in the base leg Have recesses that engage around the contact pins at a distance. In this way the short-circuit spring runs around the bottom (with its base leg) Contact pins around, with the base leg ultimately just being made up in the Insulator serves. The actual short circuit function take over against each other directed, with the base leg conductively connected 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 essentially run parallel to the secondary locking elements of the associated connector and the Contact tongues are facing each other so that they are from the secondary locking elements be taken when these are brought into the end position.
  • the Contact tongues pushed away in the same direction in which the locking arms move when snap them into the corresponding recesses in the can.
  • the insulating body which is inserted into an associated gas generator, can for example, have a more or less round cross-sectional area, with an outer diameter which is essentially the distance between the outer surfaces of the opposite locking arms of the connector corresponds. This also shows that with no widening of the generator is necessary in the structure described.
  • the one-piece short-circuit spring in the insulating body at all can provide an embodiment of the invention that the insulating body in the lower End face has an opening that is slightly smaller (e.g. shorter) than the base leg the short-circuit spring is. In this way, the short-circuit spring can be opened "levered in” and then aligned in the desired position in the insulating body become.
  • the following figure description shows this as an example.
  • the outer dimensions of the opening in the lower end face can Outside dimensions of the base leg of the short-circuit spring can be adapted. Is the Base leg of the short-circuit spring, for example, more or less rectangular, so can the recess should also be rectangular.
  • the short-circuit spring can have openings or cutouts in its base leg, through which the contact pins are guided (spaced). But it is also possible that To guide the base leg, for example, in a meandering shape and thus opposite lateral ones To create openings for the contact pin.
  • the insulating body can be pre-assembled with the short-circuit spring.
  • The can Short-circuit spring via appropriate approaches, but possibly also (alone) due to a certain pre-tension in the insulator.
  • the insulating body itself can be glued into an associated gas generator.
  • the spring can be constructed as a combined bending and / or torsion spring.
  • FIGs 1 and 2 is a can (a gas generator) 10 and the lower part of one to recognize associated connector 12, which together form a connector system.
  • the Plug 12 is formed in the usual way with contact springs 14.1, 14.2, which with associated contact pins 16.1, 16.2 to be contacted, which are part of the Generator 10 are.
  • FIGS Insulating body 30 In a pot-like receptacle of the generator 10, the one in FIGS Insulating body 30 shown in perspective view.
  • Figures 1-4 show that the one with a substantially circular lower End face 30u and circular upper end face 30o formed insulating body Has a diameter that is essentially the distance between the outer surfaces of the locking arms 18.1, 18.2 (when plugged in).
  • the insulating body 30 there are, inter alia, two guides 32.1 running in the plugging direction S, 32.2 provided, which serve to receive the contact pin 16.1, 16.2.
  • a rectangular opening 34 can be seen in the lower end face 30u Assembly of the supply of a short-circuit spring 36 is used, which is shown in detail in FIG. 5 is shown.
  • Figure 6 shows the sleeve-like guide means 40.1, 40.2 for the contact springs 14.1, 14.2 as well as - schematically - another, sleeve-like coding element 42, which in a Corresponding recess 44 can be used in the insulating body 30 to an exact To achieve alignment of connector 12 and socket 10.
  • Additional coding elements can be found next to or on the opposite side of the Guide means 40.1, 40.2 may be arranged.
  • the coding element or elements generally run essentially axially, i.e. in the direction of insertion. They can consist of solid material or Be hollow. They can be designed in the manner of webs, wings or the like.
  • the 6 has an involute shape in section. A (generally) asymmetrical design of the individual coding elements ensures that Corresponding parts of the connector cannot be 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 guide means 40.1, 40.2 arranged next to one another can be arrow-like or dome-like geometry at their free ends 40.3, 40.4.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cookers (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (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 bodies of this type are, for example, from the German published documents 199 35 969 and 199 35 970. The insulating bodies are used, among other things, for 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 must be positioned in the insulator in a complicated manner.

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 "scoop-proof" 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, among other things, that the in the area of Generator (a box) arranged contact pins against a blade-like immersion of the front housing edge of the mating connector are arranged so that they are safe to touch (also "scoop-proof" called). This is to prevent, for example, Place the connector part at an angle on the contact pins of the socket (of the generator) Contact pins are bent and incorrect contact can occur.

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 one defined guide path of the connector can be 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 always possible. Such are certain plug-in systems defined dimensionally.

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 object on which the invention is based starts. It's supposed to be a way be shown, the required plug security even without shortened contact pins create and without any other dimensional change of 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 one in the Generator arranged insulating body on the one hand, the contact pins for the plug connections must be placed, on the other hand also the short-circuit spring mentioned, the The function of this spring may only be released when the plug and generator (socket) are completely in their locking 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:
Opposite, resilient latching tongues are usually present on the plug and deflect in the latching position relative to the socket in corresponding latching recesses in the generator housing. In this area, the box housing must already have a corresponding opening; to allow the locking lugs to compress. Immediately behind these locking lugs, secondary locking devices (pins or rails) which can be displaced in the plugging direction are provided, which prevent the locking lugs from moving out of the locking openings in an uncontrolled manner.

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 interlocks, it is also known (DE 195 13 358 C1) that they serve at the same time to create a short circuit bridge between corresponding Pick up contact 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 locking device according to DE 195 13 358 C1 has a horizontal section considered - a U-shape, the cancellation of the short-circuit function by the Base leg is done. In other words: there is a common short-circuit spring corresponding sections of adjacent contact pins and is when inserting the secondary lock is pushed away.

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 Short-circuit spring as well as perpendicular to it, i.e. in the direction of movement of the mentioned Lugs, according to space must be created.

Erfindungemäß ist dagegen vorgesehen, die Bewegungsrichtung der Kurzschlussfeder entsprechend der Bewegungsrichtung der Rastarme einzustellen, weil in dieser Richtung der benötigte Platz bereits vorhanden ist. According to the invention, however, the direction of movement of the short-circuit spring is provided according to the direction of movement of the locking arms, because in this direction the required 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, mit folgenden Merkmalen:

  • Der Isolierkörper weist parallel zur Steckrichtung verlaufende Führungen zur Aufnahme von zwei Kontaktstiften auf,
  • die Führungen verlaufen über die gesamte Höhe des Isolierkörpers von einer unteren zu einer oberen Stirnfläche,
  • im Isolierkörper ist eine U-förmige Kurzschlussfeder angeordnet, die wie folgt aufgebaut ist:
  • o Ein Basisschenkel verläuft parallel zur unteren Stirnfläche des Isolierkörpers,
  • o zwei U-Schenkel verlaufen in Richtung auf die obere Stirnfläche des Isolierkörpers,
  • o von den U-Schenkeln stehen gegeneinander gerichtete Kontaktzungen ab, die im nicht gesteckten Zustand des Steckverbinders jeweils gegen einen Kontaktstift anliegen.
In 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, with the following features:
  • The insulating body has guides running parallel to the direction of insertion for receiving two contact pins,
  • the guides run over the entire height of the insulating body from a lower to an upper end face,
  • A U-shaped short-circuit spring is arranged in the insulating body, which is constructed as follows:
  • o A base leg runs parallel to the lower end face of the insulating body,
  • o two U-legs run in the direction of the upper end face of the insulating body,
  • o mutually directed contact tongues protrude from the U-legs, each of which bears against a contact pin when the connector is not plugged in.

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. The short-circuit spring can be in one piece. It can have at least two in the base leg Have recesses that engage around the contact pins at a distance. In this way the short-circuit spring runs around the bottom (with its base leg) Contact pins around, with the base leg ultimately just being made up in the Insulator serves. The actual short circuit function take over against each other directed, with the base leg conductively connected 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 essentially run parallel to the secondary locking elements of the associated connector and the Contact tongues are facing each other so that they are from the secondary locking elements be taken when these are brought into the end position. The Contact tongues pushed away in the same direction in which the locking arms move when snap them into the corresponding recesses in 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 inserted into an associated gas generator, can for example, have a more or less round cross-sectional area, with an outer diameter which is essentially the distance between the outer surfaces of the opposite locking arms of the connector corresponds. This also shows that with no widening of the generator is necessary in the structure described.

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.To position the one-piece short-circuit spring in the insulating body at all can provide an embodiment of the invention that the insulating body in the lower End face has an opening that is slightly smaller (e.g. shorter) than the base leg the short-circuit spring is. In this way, the short-circuit spring can be opened "levered in" and then aligned in the desired position in the insulating body become. The following figure description shows this as an 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. The outer dimensions of the opening in the lower end face can Outside dimensions of the base leg of the short-circuit spring can be adapted. Is the Base leg of the short-circuit spring, for example, more or less rectangular, so can the recess should also 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 can have openings or cutouts in its base leg, through which the contact pins are guided (spaced). But it is also possible that To guide the base leg, for example, in a meandering shape and thus opposite lateral ones 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 is in continuing recesses in the base leg in the side U-legs and doing so cut out the contact blades at the same time. This embodiment is also in the shown below 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. The can Short-circuit spring via appropriate approaches, but possibly also (alone) due to a certain pre-tension in the insulator. The insulating body itself can be glued into an associated gas generator.

Die Feder kann als kombinierte Biege- und/oder Torsionsfeder aufgebaut sein.The spring can 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 result from the features of the subclaims as well the other registration 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 is explained in more detail below using an exemplary embodiment. Show
Fig. 1:
a partially cut longitudinal section through a connector system in the unlocked state
Fig. 2:
like Fig. 1, but in the locked state
Fig. 3:
2 shows a perspective view from the plug side of an insulating body in the gas generator according to FIGS. 1, 2
Fig. 4:
3, but view from the generator side
Fig. 5:
2 shows a perspective view of the short-circuit springs according to FIGS. 1, 2
Fig. 6:
2 shows a perspective view of the plug part of the plug according to FIGS. 1, 2

In den Figuren sind gleiche oder gleichwirkende Bauteile mit gleichen Bezugsziffern dargestellt.In the figures, the same or equivalent components have 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 Figures 1 and 2 is a can (a gas generator) 10 and the lower part of one to recognize associated connector 12, which together form a connector system. The Plug 12 is formed in the usual way with contact springs 14.1, 14.2, which with associated contact pins 16.1, 16.2 to be contacted, which are part of the Generator 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 run in the plugging direction S on opposite Sides of the connector 12 locking arms 18.1, 18.2 with outwardly directed locking lugs 18.1n, 18.2n, which when the plug 12 is placed on the generator 10 initially inwards (against each other) before they are communicated to the outside in corresponding Deflect locking openings 20.1, 20.2 of the peripheral wall of the generator 10.

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 plugging direction S Elements 22.1, 22.2 for secondary locking of the locking 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, the one in FIGS Insulating body 30 shown in perspective view.

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 one with a substantially circular lower End face 30u and circular upper end face 30o formed insulating body Has a diameter that is essentially the distance between the outer surfaces of the locking arms 18.1, 18.2 (when plugged in).

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 there are, inter alia, two guides 32.1 running in the plugging direction S, 32.2 provided, 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.A rectangular opening 34 can be seen in the lower end face 30u Assembly of the supply of a short-circuit spring 36 is used, which is shown in detail in FIG. 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 essentially has a U-shape with a base leg 36b and two U-legs 36u1, 36u2. Approximately from the middle of the base leg 36b run in the direction of the U-leg 36u1, 36u2 recesses 36a1, 36a2, which in the U-legs 36u1, 36u2 pass, where at the same time approximately central contact tongues 36z1, 36z2 are formed, the are directed towards 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 area between base legs 36b and U-legs 36u1, 36u2 Knobs 36n can be seen on the outside. The short-circuit spring 36 lies with these knobs 36n on a bottom circumferential step 30s of the insulating body 30. The runs Base leg 36b substantially parallel to the end face 30u of the insulating body 30 and the U-legs 36u1, 36u2 essentially parallel to the contact pins 16.1, 16.2 or in the direction of insertion 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 socket 10 and connector 12, the contact tongues 36z1, 36z2 on opposite peripheral surfaces of the contact pins 16.1, 16.2, as shown in FIG. 1.

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 direction S abut against the contact tongues 36z1, 36z2 and detach them from 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 essentially parallel to the latching arms 18.1, 18.2 run and the direction of movement of the contact tongues 36z1, 36z2 substantially the same the direction of movement of the latching arms 18.1, 18.2 (if they are in the latching recesses 20.1, 20.2), it follows that the movement play required for the locking arms in the Direction of movement for the locking arms 18.1, 18.2. In this way, the Short-circuit spring 36 can be assembled in the insulating body 30 without the plug opening in the Need 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.Figure 6 shows the sleeve-like guide means 40.1, 40.2 for the contact springs 14.1, 14.2 as well as - schematically - another, sleeve-like coding element 42, which in a Corresponding recess 44 can be used in the insulating body 30 to an exact To achieve alignment of connector 12 and socket 10.

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.Additional coding elements can be found next to or on the opposite side of the Guide means 40.1, 40.2 may be arranged. The coding element or elements generally run essentially axially, i.e. in the direction of insertion. They can consist of solid material or Be hollow. They can be designed in the manner of webs, wings or the like. The 6 has an involute shape in section. A (generally) asymmetrical design of the individual coding elements ensures that Corresponding parts of the connector cannot be 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 guide means 40.1, 40.2 arranged next to one another can be arrow-like or dome-like geometry at their free ends 40.3, 40.4.

Claims (10)

Isolierkörper zum Einbau in einen Generator (10) als Bestandteil eines Steckverbinder-Systems mit Generator (10) und Stecker (12) für aufblasbare Rückhaltesysteme in Kraftfahrzeugen, mit folgenden Merkmalen: a) Der Isolierkörper (30) weist parallel zur Steckrichtung (S) verlaufende Führungen (32.1, 32.2) zur Aufnahme von zwei Kontaktstiften (16.1., 16.2) auf, b) die Führungen (32.1, 32.2) verlaufen über die gesamte Höhe des Isolierkörpers (30) von einer unteren zu einer oberen Stirnfläche (30u, 30o), c) im Isolierkörper (30) ist eine u-förmige Kurzschlussfeder (36) angeordnet, die wie folgt aufgebaut ist: c1) ein Basisschenkel (36b) verläuft parallel zur unteren Stirnfläche (30u) des Isolierkörpers (30), c2) zwei U-Schenkel (36u1, 36u2) verlaufen in Richtung auf die obere Stirnfläche (30o) des Isolierkörpers (30), c3) von den U-Schenkeln (36u1, 36u2) stehen gegeneinandergerichtete Kontaktzungen (36z1, 36z2) ab, die im nicht gesteckten Zustand des Steckverbinder-Systems jeweils gegen einen Kontaktstift (16.1, 16.2) anliegen. Insulating body for installation in a generator (10) as part of a connector system with generator (10) and plug (12) for inflatable restraint systems in motor vehicles, with the following features: a) the insulating body (30) has guides (32.1, 32.2) running parallel to the plug-in direction (S) for receiving two contact pins (16.1., 16.2), b) the guides (32.1, 32.2) run over the entire height of the insulating body (30) from a lower to an upper end face (30u, 30o), c) a U-shaped short-circuit spring (36) is arranged in the insulating body (30) and is constructed as follows: c1) a base leg (36b) runs parallel to the lower end face (30u) of the insulating body (30), c2) two U-legs (36u1, 36u2) run in the direction of the upper end face (30o) of the insulating body (30), c3) from the U-legs (36u1, 36u2) project opposing contact tongues (36z1, 36z2) which, when the connector system is not plugged in, bear against a contact pin (16.1, 16.2). Isolierkörper nach Anspruch 1mit einer einteiligen Kurzschlussfeder (36).Insulating body according to claim 1 with a one-piece short-circuit spring (36). Isolierkörper nach Anspruch 1 mit einer Öffnung (34) in der unteren Stirnfläche (30u), die geringfügig kleiner als der Basisschenkel (36b) der Kurzschlussfeder (36) ist.Insulating body according to claim 1 with an opening (34) in the lower end face (30u), which is slightly smaller than the base leg (36b) of the short-circuit spring (36). Isolierkörper nach Anspruch 3, bei dem die Öffnung (34) in der unteren Stirnfläche (30u) in ihren Außenabmessungen den Außenabmessungen des Basisschenkels (36b) der Kurzschlussfeder (36) angepasst ist.Insulating body according to claim 3, wherein the opening (34) in the lower end face (30u) in their outer dimensions the outer dimensions of the base leg (36b) the short-circuit spring (36) is adapted. Isolierkörper nach Anspruch 1, dessen Kurzschlussfeder (36) im Basisschenkel (36b) mindestens zwei Aussparungen (36a1, 36a2) aufweist, die die Kontaktstifte (16.1, 16.2) mit Abstand umgreifen.Insulating body according to Claim 1, the short-circuit spring (36) of which in the base leg (36b) Has at least two cutouts (36a1, 36a2) which the contact pins (16.1, 16.2) reach around at a distance. Isolierkörper nach Anspruch 5, in dem die Aussparungen (36a1, 36a2) in die seitlichen U-Schenkeln (36u1, 36u2) fortgeführt sind und dabei die Kontaktzungen (36z1, 36z2) ausschneiden.Insulating body according to claim 5, in which the recesses (36a1, 36a2) in the lateral U-legs (36u1, 36u2) are continued and the contact tongues (36z1, 36z2) cutting out. Isolierkörper nach Anspruch 1, bei dem die Kurzschlussfeder (36) so angeordnet ist, dass ihre U-Schenkel (36u1, 36u2) gegen die Kontaktstifte (16.1, 16.2) auf gegenüberliegenden Außenseiten anliegen. Insulating body according to claim 1, wherein the short-circuit spring (36) is arranged that their U-legs (36u1, 36u2) against the contact pins (16.1, 16.2) opposite outer sides. Isolierkörper nach Anspruch 1, mit mindestens einer weiteren Aufnahmeöffnung (44) in Steckrichtung (S) zur Aufnahme mindestens eines Justiermittels (42) als Bestandteil eines zugehörigen Steckers (12).Insulating body according to claim 1, with at least one further receiving opening (44) in Plug direction (S) for receiving at least one adjusting means (42) as a component an associated connector (12). Generator als Bestandteil eines Steckverbinder-Systems gemeinsam mit einem Stecker für aufblasbare Rückhaltesysteme in Kraftfahrzeugen, mit einem Isolierkörper nach einem der Ansprüche 1-8, wobei die U-Schenkeln (36u1, 36u2) der Kurzschlussfeder (36) im wesentlichen parallel zu Rastarmen (18.1, 18.2) des zugehörigen Steckers (12) verlaufen.Generator as part of a connector system together with a connector for inflatable restraint systems in motor vehicles, with an insulating body after one of claims 1-8, wherein the U-legs (36u1, 36u2) of the short-circuit spring (36) essentially parallel to latching arms (18.1, 18.2) of the associated plug (12) run. Stecker als Bestandteil eines Steckverbinder-Systems gemeinsam mit einem Generator für aufblasbare Rückhaltesysteme in Kraftfahrzeugen, mit Führungsmitteln (40.1, 40.2) für Kontaktfedern, wobei die Führungsmittel (40.1, 40.2) an ihren vorderen, freien Enden (40.3, 40.4) verrundet sind.Connector as part of a connector system together with a generator for inflatable restraint systems in motor vehicles, with guide means (40.1, 40.2) for contact springs, the guide means (40.1, 40.2) on their front, free Ends (40.3, 40.4) are rounded.
EP02019699A 2001-09-26 2002-09-04 Isolation element with short-circuit spring Expired - Lifetime EP1300914B1 (en)

Applications Claiming Priority (2)

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DE10147967 2001-09-26
DE10147967A DE10147967A1 (en) 2001-09-26 2001-09-26 insulator

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

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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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JP2003109714A (en) 2003-04-11
JP4080286B2 (en) 2008-04-23
DE50202833D1 (en) 2005-05-25
ATE293845T1 (en) 2005-05-15
DE10147967A1 (en) 2003-04-30
EP1300914B1 (en) 2005-04-20
US6726495B2 (en) 2004-04-27
US20030060070A1 (en) 2003-03-27
PT1300914E (en) 2005-08-31
KR20030027734A (en) 2003-04-07
ES2240624T3 (en) 2005-10-16

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