EP2012082A2 - Metal/fixing material cap for ignition devices for airbags or similar personal protection devices, in particular for motor vehicles and ignition device with such a cap - Google Patents

Metal/fixing material cap for ignition devices for airbags or similar personal protection devices, in particular for motor vehicles and ignition device with such a cap Download PDF

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Publication number
EP2012082A2
EP2012082A2 EP08011151A EP08011151A EP2012082A2 EP 2012082 A2 EP2012082 A2 EP 2012082A2 EP 08011151 A EP08011151 A EP 08011151A EP 08011151 A EP08011151 A EP 08011151A EP 2012082 A2 EP2012082 A2 EP 2012082A2
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EP
European Patent Office
Prior art keywords
ring
insulating body
projection
pin
base according
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
EP08011151A
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German (de)
French (fr)
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EP2012082A3 (en
EP2012082B1 (en
Inventor
Helmut Hartl
Christian Bauer
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.)
BC Tech Holding AG
Original Assignee
Electrovac AG
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Filing date
Publication date
Application filed by Electrovac AG filed Critical Electrovac AG
Priority to PL08011151T priority Critical patent/PL2012082T3/en
Publication of EP2012082A2 publication Critical patent/EP2012082A2/en
Publication of EP2012082A3 publication Critical patent/EP2012082A3/en
Application granted granted Critical
Publication of EP2012082B1 publication Critical patent/EP2012082B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs

Definitions

  • the invention relates to a metal / fixative socket according to the preamble of claim 1 and to an ignition device with such a socket according to the preamble of claim 14.
  • Metal / insulating base for detonators of personal protective equipment are also known as metal / glass feedthroughs ( DE 10 2005 009 644 A1 . EP 1 061 325 A1 ).
  • These bases consist essentially of an annular base body or ring with a sealed from an insulating body of glass or a Glaspfropfen ring opening and at least one sealed by the insulator melted by passing pin, which acts as an electrical conductor on the outside of the igniter forming side of the Metal / glass passage forms an outer electrical connection element (plug) and is connected inside the igniter with an electric ignition element which is used in activating the ignition device for igniting a suitable ignition or explosive-containing Zündsatzes.
  • the object of the invention is to show a metal / fixing material socket, which is characterized by a simplified production.
  • a metal / fixative socket according to claim 1 or 3 is formed.
  • An ignition device for personal protective devices of motor vehicles, in particular airbags is the subject of claim 14.
  • the ring or ring body of the metal / fixative base is made of a metallic material, preferably high grade steel, by cold forming from a suitable starting material. This results in addition to a low-cost production in particular the advantage that the ring by the cold forming or by the high deformation pressure applied in this case has a high strength and high density.
  • the ring or ring body is provided in the region of its at least one ring opening at least with a projecting into this ring opening projection on which then serving as a ground conductor or ground pin is secured in a suitable manner.
  • the design offers the possibility, in the manufacture of the metal / fixative socket, of pre-assembling the ring with the pin attached to the projection and then using this pin as an assembly aid for the assembly of the insulator, e.g. lecturfädeln on this pin a the insulating body forming and provided with a further pin glass bead and then heat the arrangement thus formed, for example, to melt the glass bead or the insulating body forming glass plug to the required temperature.
  • the handling in the manufacture of the metal / fixative socket is substantially simplified.
  • the fixing agent in the invention is an electrically insulating material, for example in the form of glass, ceramic, a glass-ceramic compound or plastic.
  • the ignition device for airbags or similar passenger protection devices, in particular of motor vehicles, generally designated 1 in the figures essentially comprises two pins 2 and 3 made of an electrically conductive or metallic material, for example of nickel-iron and with a suitable surface corrosion protection, for example in the form of a nickel layer, a metal / fixing base in the form of a metal / glass base 4 or in the form of a hermetically sealed electrical metal / glass feedthrough for the pins 2 and 3, a sleeve-like, an interior of the igniter 1 enclosing housing 5, an igniting charge 6 arranged in this interior and made of an ignition or explosive suitable for such igniters, a cover 7 as well an electrical ignition element 6 arranged in the ignition set 6 and connected to the local ends of the pins 2 and 3, for example in the form of an ignition or wire bridge or in the form of another electrical ignition element.
  • an electrically conductive or metallic material for example of nickel-iron and with a suitable surface corrosion protection, for example in the form of a nickel layer,
  • the ignition device 1 is in a known manner part of an electrically actuated gas generator for generating a passenger protection element (airbag) activating gas generator.
  • the metal / glass base 4 is in the illustrated embodiment of an annular body or ring 9, which is made of a metallic material, preferably made of a high-grade steel by cold forming, namely, integrally with a projection 9.2, at the the interior of the Igniter 1 remote from the lower end face of the ring 9 from the annular wall 9.1 projects radially into the ring opening into it.
  • a fixing or insulating body 10 is received, through which the two pins 2 and 3 in parallel to each other and parallel to the axis of the ring 9 and thus also parallel to the axis of the sleeve-like housing 5 are hermetically sealed and electrically separated from each other, so that the projecting into the interior of the ignition device 1 and connected to the ignition element 8 ends and from the ignition device. 1 or the metal / glass socket 4 projecting and serving as a connector ends of the pins 2 and 3 result.
  • the insulating body 10 consists of a material suitable for such insulating material and is designed for example as a glass plug, which is connected by a glass / metal fusion bond with the ring 9 and in which the pins 2 and 3 are melted.
  • Other electrically insulating materials are conceivable for the insulating body 10, for example ceramics, ceramic-glass composite materials, plastics, for example epoxy resin, etc.
  • the pin 2 forms the ground connection and for this purpose is also electrically connected to the free end 9.2.1 of the projection 9.2, for example by soldering, e.g. Brazing, or by welding, such as resistance or laser welding. Furthermore, the projection 9.2 also forms an additional mechanical or positive support for the insulating body 10.
  • the metal / glass base 4 is inserted in the illustrated embodiment in one end of the sleeve-like housing 5 and sealed with its ring 9 at this end to the housing 5, for example, non-positively by corresponding deformation or compression of the housing 5 on the ring 9 or by welding, such as resistance or laser welding.
  • Other connections of the metal / glass socket 4 with the housing 5 are possible.
  • the above-described ignition device 1 is characterized, inter alia, by the fact that the ring 9 is produced by cold forming, which leads to significant cost savings in the production of the ignition device 1 through economical use of material and through reduced production times.
  • the use of high quality steel materials for the ring 9 also a sufficiently high strength for the metal / fixative base or for the metal / glass base 4, in particular against undesired extrusion of the insulating body 10 from the ring 9 is achieved.
  • the metallic materials used for the pins 2 and 3, the metal / glass base 4 and the housing 5 can be reliably nickel-plated.
  • a simplified connection of the metal / glass socket to the ground conductor, namely to the pin 2 is achieved.
  • This simplified ground conductor connection also offers the possibility of using simple and identical pins 2 and 3 for both conductors.
  • the assembly of the pins 2 and 3 and the insulating body 10, in particular also the mounting of or the glass beads used for the production of the insulating body 10 is substantially simplified and that u.a. in that, in the case of pin 2 preassembled on projection 9.2, the insulating body, e.g. the insulating body 10 forming glass bead together with the pin 3 can be placed on the pin 9 held on the ring 9 and thereby the metal / glass socket 4 forming elements are reliably secured together during the further process.
  • connection of the pin 2 with the projection 9.2 can be done by soldering with low consumption of solder material or there is, as already stated, the possibility of a connection of the pin 2 with the projection 9.2 by welding, being characterized by the reduced mass in the region of Vorsprung 9.2 can achieve optimum temperature conditions during welding in short process times.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)

Abstract

The cap has a ring (9) made of a metallic material with a ring opening and with an insulating body. The body sealingly closes the ring opening. A pivot (3) is electrically insulated from the ring and is sealed by the insulating body and forms an electric conductor. The ring is made of metallic materials by cold forming. The ring is formed as a single piece with a projection (9.2) that extends into the ring opening. The pivot is connected with the projection in the free end. An independent claim is also included for an ignition device for airbags or such person protection devices for motor vehicles.

Description

Die Erfindung bezieht sich auf einen Metall/Fixiermittel-Sockel gemäß Oberbegriff Patentanspruch 1 sowie auf eine Zündvorrichtung mit einem derartigen Sockel gemäß Oberbegriff Patentanspruch 14.The invention relates to a metal / fixative socket according to the preamble of claim 1 and to an ignition device with such a socket according to the preamble of claim 14.

Metall/Isoliermittel-Sockel für Zündvorrichtungen von Personenschutzeinrichtungen, nämlich Airbags sind speziell auch als Metall/Glas-Durchführungen bekannt ( DE 10 2005 009 644 A1 , EP 1 061 325 A1 ). Diese Sockel bestehen im Wesentlichen aus einem ringförmigen Sockelkörper oder Ring mit einer von einem Isolierkörper aus Glas oder einem Glaspfropfen dicht verschlossenen Ringöffnung sowie aus wenigstens einem durch den Isolierkörper durch Einschmelzen abgedichtet hindurchgeführten Stift, der als elektrischer Leiter an der die Außenseite der Zündvorrichtung bildenden Seite der Metall/Glas-Durchführung ein äußeres elektrisches Anschlusselement (Stecker) bildet und im Inneren der Zündvorrichtung mit einem elektrischen Zündelement verbunden ist, welches beim Aktivieren der Zündvorrichtung zum Zünden des einen geeigneten Zünd- oder Sprengstoff enthaltenden Zündsatzes dient.Metal / insulating base for detonators of personal protective equipment, namely airbags are also known as metal / glass feedthroughs ( DE 10 2005 009 644 A1 . EP 1 061 325 A1 ). These bases consist essentially of an annular base body or ring with a sealed from an insulating body of glass or a Glaspfropfen ring opening and at least one sealed by the insulator melted by passing pin, which acts as an electrical conductor on the outside of the igniter forming side of the Metal / glass passage forms an outer electrical connection element (plug) and is connected inside the igniter with an electric ignition element which is used in activating the ignition device for igniting a suitable ignition or explosive-containing Zündsatzes.

Aufgabe der Erfindung ist es, einen Metall/Fixiermaterial-Sockel aufzuzeigen, der sich durch eine vereinfachte Herstellung auszeichnet. Zur Lösung dieser Aufgabe ist ein Metall/Fixiermittel-Sockel entsprechend dem Patentanspruch 1 oder 3 ausgebildet. Eine Zündvorrichtung für Personenschutzeinrichtungen von Kraftfahrzeugen, insbesondere Airbags ist Gegenstand des Patentanspruches 14.The object of the invention is to show a metal / fixing material socket, which is characterized by a simplified production. To solve this problem, a metal / fixative socket according to claim 1 or 3 is formed. An ignition device for personal protective devices of motor vehicles, in particular airbags is the subject of claim 14.

Nach einem ersten Aspekt der Erfindung sind der Ring oder Ringkörper des Metall/Fixiermittel-Sockels aus einem metallischen Werkstoff, vorzugsweise aus hochwertigem Stahl durch Kaltumformen aus einem geeigneten Ausgangsmaterial hergestellt. Hierdurch ergibt sich neben einer preiswerten Fertigung insbesondere auch der Vorteil, dass der Ring durch das Kaltumformen bzw. durch den hierbei angewandten hohen Verformungsdruck eine hohe Festigkeit sowie auch hohe Dichtigkeit aufweist.According to a first aspect of the invention, the ring or ring body of the metal / fixative base is made of a metallic material, preferably high grade steel, by cold forming from a suitable starting material. This results in addition to a low-cost production in particular the advantage that the ring by the cold forming or by the high deformation pressure applied in this case has a high strength and high density.

Nach einem anderen Aspekt der Erfindung ist der Ring bzw. Ringkörper im Bereich seiner wenigstens einen Ringöffnung zumindest mit einem in diese Ringöffnung hineinragenden Vorsprung versehen, an dem dann ein als Masseleiter oder Masseanschluss dienender Stift in geeigneter Weise befestigt ist. Die Ausbildung bietet die Möglichkeit, bei der Herstellung des Metall/Fixiermittel-Sockels den Ring mit dem an dem Vorsprung befestigten Stift vorzumontieren und dann diesen Stift als Montagehilfe für die Montage des Isolierkörpers zu verwenden, z.B. auf diesen Stift eine den Isolierkörper bildende und mit einem weiteren Stift versehene Glasperle aufzufädeln und anschließend die so gebildete Anordnung beispielsweise zum Einschmelzen der Glasperle bzw. des den Isolierkörper bildenden Glaspfropfens auf die erforderliche Temperatur zu erhitzen. Hierdurch wird die Handhabung bei der Herstellung des Metall/Fixiermittel-Sockels wesentlich vereinfacht.According to another aspect of the invention, the ring or ring body is provided in the region of its at least one ring opening at least with a projecting into this ring opening projection on which then serving as a ground conductor or ground pin is secured in a suitable manner. The design offers the possibility, in the manufacture of the metal / fixative socket, of pre-assembling the ring with the pin attached to the projection and then using this pin as an assembly aid for the assembly of the insulator, e.g. aufzufädeln on this pin a the insulating body forming and provided with a further pin glass bead and then heat the arrangement thus formed, for example, to melt the glass bead or the insulating body forming glass plug to the required temperature. As a result, the handling in the manufacture of the metal / fixative socket is substantially simplified.

Das Fixiermittel ist bei der Erfindung ein elektrisch isolierender Werkstoff, beispielsweise in Form von Glas, Keramik, einer Glas-Keramik-Verbindung oder Kunststoff.The fixing agent in the invention is an electrically insulating material, for example in the form of glass, ceramic, a glass-ceramic compound or plastic.

Weiterbildungen, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich auch aus der nachfolgenden Beschreibung von Ausführungsbeispielen und aus den Figuren. Dabei sind alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination grundsätzlich Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Ansprüchen oder deren Rückbeziehung. Auch wird der Inhalt der Ansprüche zu einem Bestandteil der Beschreibung gemacht.Further developments, advantages and applications of the invention will become apparent from the following description of exemplary embodiments and from the figures. In this case, all described and / or illustrated features alone or in any combination are fundamentally the subject of the invention, regardless of their summary in the claims or their dependency. Also, the content of the claims is made an integral part of the description.

Die Erfindung wird im Folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert. Es zeigen:

  • Fig. 1 in vereinfachter Darstellung und im Schnitt eine Zündvorrichtung für Personenschutzvorrichtungen bzw. Airbags für Kraftfahrzeuge;
  • Fig. 2 in vereinfachter Darstellung eine Draufsicht auf einen Metall/Fixiermaterial-Sockel in Form einer Metall/Glas-Durchführung der Vorrichtung der Figur 1.
The invention will be explained in more detail below with reference to the figures of an embodiment. Show it:
  • Fig. 1 in a simplified representation and in section an ignition device for personal security devices or airbags for motor vehicles;
  • Fig. 2 in a simplified representation of a plan view of a metal / fixing material socket in the form of a metal / glass passage of the device of FIG. 1 ,

Die in den Figuren allgemein mit 1 bezeichnete Zündvorrichtung für Airbags oder dergleichen Personenschutzeinrichtungen, insbesondere von Kraftfahrzeugen, umfasst im Wesentlichen
zwei Stifte 2 und 3 aus einem elektrisch leitenden bzw. metallischen Material, beispielsweise aus Nickel-Eisen und mit einem geeigneten Oberflächen-Korrosionsschutz, beispielsweise in Form einer Nickelschicht,
einen Metall/Fixiermaterial-Sockel in Form eines Metall/Glas-Sockels 4 bzw. in Form einer hermetisch abgedichteten elektrischen Metall/Glas-Durchführung für die Stifte 2 und 3,
ein hülsenartiges, einen Innenraum der Zündvorrichtung 1 umschließendes Gehäuse 5,
einen in diesem Innenraum angeordneten Zündsatz 6 aus einem für derartige Zündsätze geeigneten Zünd- oder Sprengstoff,
eine Abdeckung 7 sowie
einen elektrischen, im Zündsatz 6 angeordnetes und mit den dortigen Enden der Stifte 2 und 3 verbundenes Zündelemente 8, beispielsweise in Form einer Zünd- oder Drahtbrücke oder in Form eines anderen, elektrischen Zündelementes.The ignition device for airbags or similar passenger protection devices, in particular of motor vehicles, generally designated 1 in the figures essentially comprises
two pins 2 and 3 made of an electrically conductive or metallic material, for example of nickel-iron and with a suitable surface corrosion protection, for example in the form of a nickel layer,
a metal / fixing base in the form of a metal / glass base 4 or in the form of a hermetically sealed electrical metal / glass feedthrough for the pins 2 and 3,
a sleeve-like, an interior of the igniter 1 enclosing housing 5,
an igniting charge 6 arranged in this interior and made of an ignition or explosive suitable for such igniters,
a cover 7 as well
an electrical ignition element 6 arranged in the ignition set 6 and connected to the local ends of the pins 2 and 3, for example in the form of an ignition or wire bridge or in the form of another electrical ignition element.

Die Zündvorrichtung 1 ist in bekannter Weise Teil eines elektrisch betätigbaren Gasgenerators zur Erzeugung eines das Personenschutzelement (Airbag) aktivierenden Gaserzeugers. Der Metall/Glas-Sockel 4 besteht bei der dargestellten Ausführungsform aus einem Ringkörper oder Ring 9, der aus einem metallischen Werkstoff, vorzugsweise aus einem hochwertigen Stahl durch Kaltumformen hergestellt ist, und zwar u.a. einstückig mit einem Vorsprung 9.2, der an der dem Innenraum der Zündvorrichtung 1 abgewandten unteren Stirnseite des Ringes 9 von der Ringwandung 9.1 radial in die Ringöffnung hinein vorsteht. Im Ring 9 ist ein Fixier-oder Isolierkörper 10 aufgenommen, durch den die beiden Stifte 2 und 3 parallel zueinander und parallel zur Achse des Ringes 9 und damit auch parallel zur Achse des hülsenartigen Gehäuses 5 hermetisch dicht und elektrisch voneinander getrennt hindurchgeführt sind, sodass sich die in den Innenraum der Zündvorrichtung 1 hineinragenden und mit dem Zündelement 8 verbundenen Enden und die aus der Zündvorrichtung 1 bzw. dem Metall/Glas-Sockel 4 vorstehenden und als Anschlussstecker dienenden Enden der Stifte 2 und 3 ergeben. Der Isolierkörper 10 besteht aus einem für derartige Isolierkörper geeigneten Material und ist beispielsweise als Glaspfropfen ausgeführt, der durch eine Glas/Metall-Schmelzverbindung mit dem Ring 9 verbunden ist und in den die Stifte 2 und 3 eingeschmolzen sind. Auch andere elektrisch isolierende Materialien sind für den Isolierkörper 10 denkbar, beispielsweise Keramiken, Keramik-Glas-Verbundmaterialien, Kunststoffe, beispielsweise Epoxydharz usw..The ignition device 1 is in a known manner part of an electrically actuated gas generator for generating a passenger protection element (airbag) activating gas generator. The metal / glass base 4 is in the illustrated embodiment of an annular body or ring 9, which is made of a metallic material, preferably made of a high-grade steel by cold forming, namely, integrally with a projection 9.2, at the the interior of the Igniter 1 remote from the lower end face of the ring 9 from the annular wall 9.1 projects radially into the ring opening into it. In the ring 9, a fixing or insulating body 10 is received, through which the two pins 2 and 3 in parallel to each other and parallel to the axis of the ring 9 and thus also parallel to the axis of the sleeve-like housing 5 are hermetically sealed and electrically separated from each other, so that the projecting into the interior of the ignition device 1 and connected to the ignition element 8 ends and from the ignition device. 1 or the metal / glass socket 4 projecting and serving as a connector ends of the pins 2 and 3 result. The insulating body 10 consists of a material suitable for such insulating material and is designed for example as a glass plug, which is connected by a glass / metal fusion bond with the ring 9 and in which the pins 2 and 3 are melted. Other electrically insulating materials are conceivable for the insulating body 10, for example ceramics, ceramic-glass composite materials, plastics, for example epoxy resin, etc.

Der Stift 2 bildet den Masseanschluss und ist hierfür auch mit dem freien Ende 9.2.1 des Vorsprungs 9.2 elektrisch verbunden, beispielsweise durch Löten, z.B. Hartlöten, oder durch Schweißen, beispielsweise Widerstands- oder Laserschweißen. Weiterhin bildet der Vorsprung 9.2 auch eine zusätzliche mechanische bzw. formschlüssige Abstützung für den Isolierkörper 10.The pin 2 forms the ground connection and for this purpose is also electrically connected to the free end 9.2.1 of the projection 9.2, for example by soldering, e.g. Brazing, or by welding, such as resistance or laser welding. Furthermore, the projection 9.2 also forms an additional mechanical or positive support for the insulating body 10.

Der Metall/Glas-Sockel 4 ist bei der dargestellten Ausführungsform in ein Ende des hülsenartigen Gehäuses 5 eingesetzt und mit seinem Ring 9 an diesem Ende mit dem Gehäuse 5 abgedichtet verbunden, und zwar beispielsweise kraftschlüssig durch entsprechendes Verformen oder Verpressen des Gehäuses 5 auf dem Ring 9 oder aber durch Verschweißen, beispielsweise Widerstands- oder Laserschweißen. Auch andere Verbindungen des Metall/Glas-Sockels 4 mit dem Gehäuse 5 sind möglich.The metal / glass base 4 is inserted in the illustrated embodiment in one end of the sleeve-like housing 5 and sealed with its ring 9 at this end to the housing 5, for example, non-positively by corresponding deformation or compression of the housing 5 on the ring 9 or by welding, such as resistance or laser welding. Other connections of the metal / glass socket 4 with the housing 5 are possible.

Die vorbeschriebene Zündvorrichtung 1 zeichnet sich u.a. dadurch aus, dass der Ring 9 durch Kaltumformen hergestellt ist, was durch eine wirtschaftliche Materialnutzung und durch Reduzierte Fertigungszeiten zu erheblichen Kosteneinsparungen bei der Herstellung der Zündvorrichtung 1 führt. Durch die Verwendung von hochwertigen Stahlmaterialen für den Ring 9 wird außerdem auch eine ausreichend hohe Festigkeit für den Metall/Fixiermittel-Sockel bzw. für den Metall/Glas-Sockel 4, insbesondere gegen ein unerwünschtes Auspressen des Isolierkörpers 10 aus dem Ring 9 erreicht.The above-described ignition device 1 is characterized, inter alia, by the fact that the ring 9 is produced by cold forming, which leads to significant cost savings in the production of the ignition device 1 through economical use of material and through reduced production times. In addition, the use of high quality steel materials for the ring 9 also a sufficiently high strength for the metal / fixative base or for the metal / glass base 4, in particular against undesired extrusion of the insulating body 10 from the ring 9 is achieved.

Die für die Stifte 2 und 3, den Metall/Glas-Sockel 4 und das Gehäuse 5 verwendeten metallischen Werkstoffe sind prozesssicher vernickelbar. Durch den Vorsprung 9.2 wird eine vereinfachte Anbindung des Metall/Glas-Sockels an den Masseleiter, nämlich an den Stift 2 erreicht. Speziell durch diese vereinfachte Masseleiteranbindung ergibt sich auch die Möglichkeit, für beide Leiter einfache und identische Stifte 2 und 3 zu verwenden. Die Montage der Stifte 2 und 3 und des Isolierkörpers 10, insbesondere auch die Montage des oder der für die Herstellung der Isolierkörper 10 verwendeten Glasperlen wird wesentlich vereinfacht und zwar u.a. dadurch, dass bei am Vorsprung 9.2 vormontiertem Stift 2 der Isolierkörper, z.B. die den Isolierkörper 10 bildende Glasperle zusammen mit dem Stift 3 auf den am Ring 9 gehaltenen Stift 2 aufgesetzt werden kann und dadurch die den Metall/Glas-Sockel 4 bildenden Elemente während des weiteren Prozesses zuverlässig aneinander gesichert sind.The metallic materials used for the pins 2 and 3, the metal / glass base 4 and the housing 5 can be reliably nickel-plated. By the projection 9.2 a simplified connection of the metal / glass socket to the ground conductor, namely to the pin 2 is achieved. This simplified ground conductor connection also offers the possibility of using simple and identical pins 2 and 3 for both conductors. The assembly of the pins 2 and 3 and the insulating body 10, in particular also the mounting of or the glass beads used for the production of the insulating body 10 is substantially simplified and that u.a. in that, in the case of pin 2 preassembled on projection 9.2, the insulating body, e.g. the insulating body 10 forming glass bead together with the pin 3 can be placed on the pin 9 held on the ring 9 and thereby the metal / glass socket 4 forming elements are reliably secured together during the further process.

Das Verbinden des Stiftes 2 mit dem Vorsprung 9.2 kann durch Löten bei geringem Verbrauch an Lotmaterial erfolgen oder aber es besteht, wie bereits ausgeführt, die Möglichkeit einer Verbindung des Stiftes 2 mit dem Vorsprung 9.2 durch Schweißen, wobei sich durch die reduzierte Masse im Bereich des Vorsprunges 9.2 bei kurzen Prozesszeiten optimale Temperaturverhältnisse beim Schweißen erreichen lassen.The connection of the pin 2 with the projection 9.2 can be done by soldering with low consumption of solder material or there is, as already stated, the possibility of a connection of the pin 2 with the projection 9.2 by welding, being characterized by the reduced mass in the region of Vorsprung 9.2 can achieve optimum temperature conditions during welding in short process times.

Die Erfindung wurde voranstehend an einem Ausführungsbeispiel beschrieben. Es versteht sich, dass Änderungen sowie Abwandlungen möglich sind, ohne das dadurch der der Erfindung zugrunde liegende Erfindungsgedanke verlassen wird.The invention has been described above by means of an embodiment. It is understood that changes and modifications are possible without thereby departing from the inventive idea underlying the invention.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Zündvorrichtungdetonator
2, 32, 3
Metallstiftmetal pin
44
Metall/Glas-SockelMetal / glass-base
55
Gehäusecasing
66
ZündsatzPriming
77
Abdeckungcover
88th
elektrisches Zündelementelectrical ignition element
99
Ringring
9.19.1
Ringwandungannular wall
9.29.2
Vorsprunghead Start
9.2.19.2.1
EndeThe End
1010
Isolierkörperinsulator

Claims (14)

Metall/Fixiermaterial-Sockel für Zündvorrichtungen von Airbags oder dergleichen Personenschutzeinrichtungen, insbesondere bei Kraftfahrzeugen, mit einem aus einem metallischen Werkstoff hergestellten Ring (9), mit wenigstens einer Ringöffnung und mit einem diese Ringöffnung dicht verschließenden Isolierkörper (10), sowie mit wenigstens einem einen elektrischen Leiter bildenden und durch den Isolierkörper (10) abgedichtet sowie vom Ring (9) elektrisch isoliert hindurchgeführten Stift (3), dadurch gekennzeichnet, dass der Ring (9) durch Kaltumformen aus dem metallischen Werkstoff hergestellt ist.Metal / fixing base for igniters of airbags or similar personal protective devices, especially in motor vehicles, with a ring made of a metallic material (9), with at least one ring opening and an insulating body (10) sealing this ring opening, and with at least one electrical conductor forming and by the insulating body (10) sealed and electrically insulated from the ring (9) passed through pin (3), characterized in that the ring (9) is made by cold forming of the metallic material. Sockel nach Anspruch 1, dadurch gekennzeichnet, dass der Ring (9) einstückig mit wenigstens einem in die Ringöffnung hineinragenden Vorsprung (9.2) ausgebildet ist.Base according to claim 1, characterized in that the ring (9) is formed integrally with at least one protruding into the ring opening projection (9.2). Sockel nach Anspruch 2, dadurch gekennzeichnet, dass durch den Isolierkörper (10) wenigstens ein weiterer als elektrische Leiter ausgebildeter Stift (2) abgedichtet hindurchgeführt ist, und dass der weitere Stift (2) mit dem wenigstens einen Vorsprung (9.2) verbunden ist, vorzugsweise mit einem freien Ende (9.2.1) des Vorsprungs (9.2).Base according to Claim 2, characterized in that at least one further pin (2) designed as an electrical conductor is passed through the insulating body (10) in a sealed manner, and that the further pin (2) is connected to the at least one projection (9.2), preferably with a free end (9.2.1) of the projection (9.2). Metall/Fixiermaterial-Sockel für Zündvorrichtungen von Airbags oder dergleichen Personenschutzeinrichtungen, insbesondere bei Kraftfahrzeugen, mit einem aus einem metallischen Werkstoff hergestellten Ring (9), mit wenigstens einer Ringöffnung und mit einem diese Ringöffnung dicht verschließenden Isolierkörper (10), sowie mit wenigstens einem einen elektrischen Leiter bildenden und durch den Isolierkörper (10) abgedichtet sowie vom Ring (9) elektrisch isoliert hindurchgeführten Stift (3), dadurch gekennzeichnet,
dass der Ring (9) einstückig mit wenigstens einem in die Ringöffnung hineinragenden Vorsprung (9.2) ausgebildet ist,
dass durch den Isolierkörper (10) wenigstens ein weiterer als elektrische Leiter ausgebildeter Stift (2) abgedichtet hindurchgeführt ist, und
dass der weitere Stift (2) mit dem wenigstens einen Vorsprung (9.2) verbunden ist, vorzugsweise mit einem freien Ende (9.2.1) des Vorsprungs (9.2).Metal / fixing base for igniters of airbags or similar personal protective devices, especially in motor vehicles, with a ring made of a metallic material (9), with at least one ring opening and an insulating body (10) sealing this ring opening, and with at least one electrical conductor forming and by the insulating body (10) sealed and electrically isolated from the ring (9) passed through pin (3), characterized
that the ring (9) is integrally formed with at least one projecting into the ring-opening projection (9.2),
in that by the insulating body (10) at least one further as an electrical conductor trained pin (2) is guided sealed, and
that the further pin (2) with the at least one projection (9.2) is connected, preferably with a free end (9.2.1) of said projection (9.2). Sockel nach Anspruch 4, dadurch gekennzeichnet, dass der Ring (9) durch Kaltumformen aus dem metallischen Werkstoff hergestellt ist und/oder aus Stahl, vorzugsweise aus hochwertigem Stahl besteht und/oder im Bereich der Ringöffnung profiliert ist.Base according to claim 4, characterized in that the ring (9) is made by cold forming of the metallic material and / or steel, preferably made of high-grade steel and / or profiled in the region of the ring opening. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens eine weitere Stift (2) mit dem Vorsprung (9.2) durch Löten, beispielsweise Hartlöten, oder durch Schweißen, beispielsweise Laserschweißen oder Widerstandsschweißen verbunden ist.Base according to one of the preceding claims, characterized in that the at least one further pin (2) with the projection (9.2) by soldering, for example brazing, or by welding, for example, laser welding or resistance welding is connected. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens eine Vorsprung (9.2) an einer Stirnseite des Ringes (9), vorzugsweise an einer bei montiertem Sockel (4) eine Außenseite der Zündvorrichtung (1) bildenden Stirnseite des Ringes (9) vorgesehen ist.Base according to one of the preceding claims, characterized in that the at least one projection (9.2) on an end face of the ring (9), preferably on an end face of the ring (9) forming an outer side of the ignition device (1) when the base (4) is mounted. is provided. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ring (9) eine einzige Ringöffnung mit einem Isolierkörper (10) aufweist, durch den wenigstens zwei Stifte (2, 3) abgedichtet hindurchgeführt sind.Base according to one of the preceding claims, characterized in that the ring (9) has a single annular opening with an insulating body (10) through which at least two pins (2, 3) are guided sealed. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ring (9) aus Stahl, vorzugsweise aus hochwertigen Stahl besteht.Base according to one of the preceding claims, characterized in that the ring (9) made of steel, preferably made of high-grade steel. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens eine Stift (2, 3) aus einem metallischen Werkstoff, beispielsweise aus einer Eisenlegierung, z.B. aus einer Nickel enthaltenden Eisenlegierung besteht.Base according to one of the preceding claims, characterized in that the at least one pin (2, 3) consists of a metallic material, for example of an iron alloy, for example of a nickel-containing iron alloy. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Isolierkörper (10) form- und/oder kraftschlüssig im Ring gehalten ist, vorzugsweise durch den wenigstens einen Vorsprung (9.2).Base according to one of the preceding claims, characterized in that the insulating body (10) is held positively and / or non-positively in the ring, preferably by the at least one projection (9.2). Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Isolierkörper aus Glas, Keramik, Glas-Keramik-Verbindung oder Kunststoff besteht.Base according to one of the preceding claims, characterized in that the insulating body made of glass, ceramic, glass-ceramic compound or plastic. Sockel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Ring (9) eine einzige Ringöffnung mit einem Isolierkörper (10) aufweist, durch den wenigstens zwei Stifte (2, 3) abgedichtet hindurchgeführt sind.Base according to one of the preceding claims, characterized in that the ring (9) has a single annular opening with an insulating body (10) through which at least two pins (2, 3) are guided sealed. Zündvorrichtung für Airbags oder dergleichen Personenschutzeinrichtungen, insbesondere für Kraftfahrzeuge, mit einem einen Zündsatz (6) enthaltenen Gehäuse (5), welches an wenigstens einer Seite durch wenigstens einen Sockel (4) dicht verschlossen ist, welcher aus wenigstens einem Ring (9), aus wenigstens einem in einer Öffnung des Ringes (9) angeordneten Isolierkörper sowie aus wenigstens einem einen elektrischen Leiter bildenden und abgedichtet durch den Isolierkörper (10) hindurchgeführten Stift (2, 3) besteht, und zwar zur Ansteuerung wenigstens eines im Gehäuse (5) angeordneten elektrischen Zündelementes (8), dadurch gekennzeichnet, dass der Sockel (4) nach einem der vorhergehenden Ansprüche ausgebildet ist.Ignition device for airbags or similar personal protective devices, in particular for motor vehicles, with a Zündsatz (6) contained housing (5) which is sealed on at least one side by at least one base (4), which consists of at least one ring (9), from at least one arranged in an opening of the ring (9) insulating body and at least one electrical conductor forming and sealed by the insulating body (10) guided through pin (2, 3), for driving at least one in the housing (5) arranged electrical Ignition element (8), characterized in that the base (4) is designed according to one of the preceding claims.
EP08011151.1A 2007-07-06 2008-06-19 Metal/fixing material cap for ignition devices for airbags or similar personal protection devices, in particular for motor vehicles and ignition device with such a cap Not-in-force EP2012082B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08011151T PL2012082T3 (en) 2007-07-06 2008-06-19 Metal/fixing material cap for ignition devices for airbags or similar personal protection devices, in particular for motor vehicles and ignition device with such a cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031690A DE102007031690B4 (en) 2007-07-06 2007-07-06 Metal / fixing material socket for igniters of airbags or the like passenger protection devices and ignition device with such a base

Publications (3)

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EP2012082A2 true EP2012082A2 (en) 2009-01-07
EP2012082A3 EP2012082A3 (en) 2012-11-28
EP2012082B1 EP2012082B1 (en) 2014-04-16

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Country Status (5)

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US (1) US20090044715A1 (en)
EP (1) EP2012082B1 (en)
JP (1) JP2009014336A (en)
DE (1) DE102007031690B4 (en)
PL (1) PL2012082T3 (en)

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Also Published As

Publication number Publication date
JP2009014336A (en) 2009-01-22
DE102007031690B4 (en) 2009-06-18
EP2012082A3 (en) 2012-11-28
PL2012082T3 (en) 2014-10-31
US20090044715A1 (en) 2009-02-19
DE102007031690A1 (en) 2009-01-15
EP2012082B1 (en) 2014-04-16

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