WO2013017432A1 - Airbag module having a cover fastening secured by the gas generator flange - Google Patents
Airbag module having a cover fastening secured by the gas generator flange Download PDFInfo
- Publication number
- WO2013017432A1 WO2013017432A1 PCT/EP2012/064243 EP2012064243W WO2013017432A1 WO 2013017432 A1 WO2013017432 A1 WO 2013017432A1 EP 2012064243 W EP2012064243 W EP 2012064243W WO 2013017432 A1 WO2013017432 A1 WO 2013017432A1
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- WO
- WIPO (PCT)
- Prior art keywords
- airbag housing
- airbag
- cover
- gas generator
- hooks
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
- B60R21/2035—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit
- B60R21/2037—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit the module or a major component thereof being yieldably mounted, e.g. for actuating the horn switch or for protecting the driver in a non-deployment situation
Definitions
- the invention relates to an airbag module having an airbag housing and a folded gas bag and gas generator accommodated therein and having a cup-shaped cover forming part of the airbag housing, wherein the cover has resiliently formed hooks on the outer edge of its outer wall, rearward engagement of rear surfaces formed on the airbag housing, and a safety center l is provided for fixing the hooks in their latched with the airbag housing position.
- An airbag module with the aforementioned features is known from US 5,354,093 A.
- the known airbag module is the topfförmi ge and in their assembly to a egg nen constituent of the airbag housing forming base plate gefaiteten airbag with at least partially lying therein gas generator tiberducede cover to the base plate, characterized in that attached to the outer edge of the cover and thereof in Course extending from the wall projecting resilient hooks engage around the outer edge of the base plate and lock it with this.
- the hooks are arranged so that the radially outwardly resiliently formed hooks. with their inwardly projecting hook projections the outer one. Include the edge of the base plate of the airbag housing and rust with this.
- an additional securing piatie is provided in order to mount the airbag module in a parallel orientation to the base plate and is connected to the base plate when the airbag module is mounted.
- the securing plate engages over the base of the protruding ends of the hook with recesses arranged in the base plate in such a way that the hooks fixed in the recesses of the securing plate can not carry out any releasing movement in their spring direction.
- the invention is therefore based on the task to reduce the number of components and the Montageau wall in an airbag module with the features mentioned.
- the invention provides in its G and thoughts vr that the hooks are arranged on the outer edge of the pot-shaped cover inwardly resiliently and to the outside of the cover directed hook projections and that the securing means consists of a gas generator connected to the flange, the inside of the mounted airbag module Cover in the Level of those with the. AirbaggeMu.se latched hook is located and secured in this position on the Airbaggeliäuse.
- the invention has the advantage that the flange, which is required anyway for fastening the gas generator to the airbag module, is simultaneously used to secure the fastening hooks of the cover, so that no additional component is required.
- the flange is an integral part of the gas generator.
- Flange is connected to the gas generator oscillating in a swinging manner via a spring element fixed to the flange on the one hand and the gas generator on the other hand.
- a suspension of the gas generator "in which the gas generator with its mass forms a deterrent is basically known from DE 19908915 A1.
- a cup-shaped design airbag housing is provided with a bottom plate and in the bottom plate of the upstanding side wall of the airbag housing adjacent openings are formed and that the cover with its outer wall carrying the hook inside the side wall of the airbag housing in the top ⁇ ' shaped airbag housing is inserted.
- a topfförmi g trained Airfaaggenosuse is provided with a bottom plate and in the bottom plate in the transitional I to the upstanding Be th wall of the Airhaggenosuses openings are formed and that the cover with its outer wall carrying the hooks i nnenseiüg the side wall of the Airhaggenosuses is inserted into the Airbaggephaseu se, so that the hooks pass through the openings of the bottom plate and reach under the lower edge of the Be tenwand of the airbag housing and on the corresponding wall of the lower edge of the Se itenwand formed Deutschen Bachflä ver.
- FIG. 1 is a partial section of an Airbagmodui s in. A perspective view from below of the mounting of the cover on the airbag housing and its securing by the connected to the gas generator flange,
- FIG. 3 is a fully continuous bottom view of the airbag module with inserted gas generator
- Fig. 4 shows the gas generator holding flange in a single representation.
- a cup-shaped airbag housing 10 is provided with a bottom plate 11 and a side wall 12 thereof upstanding, in the interior in a known manner, an unillustrated airbag folded and a only partially visible gas generator 22 are arranged ,
- the cup-shaped Airhaggereheat 10 is closed by a likewise cup-shaped cover 13, the outer wall 14 extends parallel to the side wall 12 of the Airbaggeotroiises 10 and rests on the airbag housing 10 patch cover 13 on the inside of the side wall 12 of the airbag housing 10.
- the hook projections 16 are projecting to the outside of the cover 13, thus projecting in the direction of the side wall 12 of the Airbaggeophiises 10 and on its outwardly directed Side with chamfers 17 are provided.
- the hooks 15 are correspondingly arranged so that the hooks 15 spring inwardly with respect to the outer wall 14 of the cover 13 when the cover 13 is placed on the airbag housing 10 and displaced therein.
- the hooks 15 are in the bottom plate 11 of the Airbaggeophiises 10 openings 18 associated with the Piel in the illustratedstrasbei in the About angs Scheme between the bottom plate 11 and the upstanding side wall 12 of the airbag housing 10 are arranged so that when inserting the cover 13 in the Airbag housing 1.0, the hook projections 16 of the hooks 15 are bent through the side wall 12 of the airbag housing 10 inwardly until the hooks 15 with hook projections 16 pass through the apertures 18 in the bottom plate 11 and then spring back into its starting position, in which the hook projections 16 under the lower edge of the side wall 12 of the Airbaggeophiises 10th engage. In this position, the cover 13 is latched to the AirbaggeMii.se 10,
- a flange 1 holding the gas generator 22 is arranged so that the flange 19 in the case of the cover 13 mounted on the airbag housing 10 inside the hook 15 in the plane of the hooks 15 latched to the lower edge of the side wall 12 of the airbag housing 10 is located and thus a bending of the hook 15 inward prevented.
- the flange 19 is connected via screw connections 23 to the bottom plate 11 of the Airbaggeophiises 10.
- a determination of the gas generator 22 is realized in the airbag housing 10, wherein the gas generator forms with its mass a vibration absorber, as is known from DE DE 19908915 A1.
- the flan ch 19 has a F IanschausEnglishung 20, wherein a the flange 19 a Flanschausnehrnung 20 surrounding Federeiement 21 is attached, which in turn is attached with its free end to the gas generator 22.
- the gas generator 22 hangs freely swinging in the Flanschausnehrnung 20 of the flange 19 and is held therein by the spring 19 attached to both the flange 19 as well as to the gas generator 22 Federelemeiit.
- FIGS. 3 and 4 show, furthermore, a special peripheral shape of the flange 19 with corresponding edge recesses 24, which are provided in particular for reasons of saving weight in the airbag module 10.
- care is taken that the savings between the edge 24 remaining missionsabschn.it- te of the flange 19 at least a portion of the latched to the side wall 12 of the airbag housing 10.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an airbag module having an airbag housing and a folded gas sack housed therein and a gas generator and having a pot-shaped cover forming a component of the airbag housing, wherein the cover has spring-loaded hooks on the outer edge of the outer wall thereof for engaging with rear engagement surfaces designed on the airbag housing and there is a securing means for setting the hooks in the position latched with the airbag housing, characterized in that the hooks (15) on the outer edge of the pot-shaped cover (13) are arranged spring-loaded inward and have hook protrusions (16) directed to the outside of the cover (13) and in that the securing means consists of a flange (19) connected to the gas generator (22) which, when the airbag module is installed, lies on the interior of the cover (13), in the plane of the hooks (15) thereof latched with the airbag housing (10) and is fastened to the airbag housing (10) in said position.
Description
Airbagmodul mit durch den Gasgeneratorflansch gesicherter Abdeckungsbefestigung Airbag module with cover fastening secured by the gas generator flange
B e s c h r e i b u n g Description
Die Erfindung betrifft ein Airbagmodul mit einem Airbaggehäuse und einem darin aufgenommenen eingefalteten Gassack sowie Gasgenerator und mit einer ein Bestandteil des Airbaggehäuses bildenden topfförmigen Abdeckung, wobei di e Abdeckung an dem äußeren Rand ihrer Außenwand federnd ausgebildete Haken zunr Hintergriff von an dem Airbaggehäuse ausgebildeten Hintergriffflächen aufweist und ein S icherungsmitte l zur Festlegung der Haken in deren mit dem Airbaggehäuse verrasteten Stellung vorgesehen ist. The invention relates to an airbag module having an airbag housing and a folded gas bag and gas generator accommodated therein and having a cup-shaped cover forming part of the airbag housing, wherein the cover has resiliently formed hooks on the outer edge of its outer wall, rearward engagement of rear surfaces formed on the airbag housing, and a safety center l is provided for fixing the hooks in their latched with the airbag housing position.
Ein Airbagmodul mit den vorgenannten Merkmalen ist aus der US 5 ,354,093 A bekannt. Bei dem bekannten Airbagmodul ist die topfförmi ge und bei ihrer Montage an einer e i nen Bestandteil des Airbaggehäuses bildenden Grundplatte den eingefaiteten Gassack mit dem zumindest teilweise darin liegenden Gasgenerator tibergreifende Abdeckung an der Grundplatte dadurch festgelegt, dass an dem äußeren Rand der Abdeckung angebrachte und davon in Verlaufsrichtung von deren Wand vorstehende federnde Haken den äußeren Rand der Grundplatte umgreifen und mit diesem verrasten. Dabei si nd die Haken so angeordnet, dass die radial auswärts federnd ausgebildeten Haken.
mit ihren nach innen vorsiehenden Hakenvorsprüngen den äußeren. Rand der Grundplatte des Airbaggehäuses umfassen und mit diesem verrosten. Um hei montiertem Airbagmodul ein Aufspringen der Haken nach außen und damit ein Lösen der Abdeckung von der Grundplatte des Airbaggehäuses zu verhindern, ist eine zusätzliche Sicherungspiatie vorgesehen, die in einer parallelen Ausrichtung zur Grundplatte angeordnet und bei montiertem Airbagmodul mit der Grundplatte verbunden ist. Die Sicherungsplatte übergreift die über die Grundplatte hervorstehenden Enden der Haken mit in der Grundplatte angeordneten Ausnehmungen derart, dass die in den Ausnehmungen der Siche- rungsplatte festgelegten Haken keine Lösebewegung in ihrer Federrichtung ausfuhren können. An airbag module with the aforementioned features is known from US 5,354,093 A. In the known airbag module is the topfförmi ge and in their assembly to a egg nen constituent of the airbag housing forming base plate gefaiteten airbag with at least partially lying therein gas generator tibergreifende cover to the base plate, characterized in that attached to the outer edge of the cover and thereof in Course extending from the wall projecting resilient hooks engage around the outer edge of the base plate and lock it with this. In this case, the hooks are arranged so that the radially outwardly resiliently formed hooks. with their inwardly projecting hook projections the outer one. Include the edge of the base plate of the airbag housing and rust with this. In order to prevent the hooks from popping outwards and thus releasing the cover from the base plate of the airbag housing, an additional securing piatie is provided in order to mount the airbag module in a parallel orientation to the base plate and is connected to the base plate when the airbag module is mounted. The securing plate engages over the base of the protruding ends of the hook with recesses arranged in the base plate in such a way that the hooks fixed in the recesses of the securing plate can not carry out any releasing movement in their spring direction.
Mit dem bekannten Airbagmodul ist noch der Nachteil verbunden, dass aufgrund der zusätzlich vorgesehenen Sicherungsplatte ein entsprechender Hersteliungs- und Montageaufwand gegeben ist. With the known airbag module is still the disadvantage that due to the additionally provided backup plate is given a corresponding Hersteliungs- and assembly costs.
Der Erfindung liegt daher die Aufg be zugrunde, bei einem Airbagmodul mit den eingangs genannten Merkmalen die Zahl der Bauteile sowie den Montageau wand zu verringern. The invention is therefore based on the task to reduce the number of components and the Montageau wall in an airbag module with the features mentioned.
Die Lösung dieser Aufgabe ergibt sich einschließlich vorteilhafter Ausgestaltungen und Weiterbildungen der Erfindung aus dem Inhalt der Patentansprüche, weiche dieser Beschreibung nachgestellt sind. The solution of this problem arises, including advantageous embodiments and modifications of the invention from the content of the claims, which are followed by this description.
Die Erfindung sieht in ihrem G undgedanken v r, dass die Haken am äußeren Rand der topf förmigen Abdeckung einwärts federnd angeordnet sind und zur Außenseite der Abdeckung gerichtete Hakenvorsprünge aufweisen und dass das Sicherlingsmittel aus einem mit dem Gasgenerator verbundenen Flansch besteht, der bei montiertem Airbagmodul innenseitig der Abdeckung in der
Ebene von deren mit dem. AirbaggeMu.se verrasteten Haken liegt und in dieser Lage an dem Airbaggeliäuse befestigt ist. The invention provides in its G and thoughts vr that the hooks are arranged on the outer edge of the pot-shaped cover inwardly resiliently and to the outside of the cover directed hook projections and that the securing means consists of a gas generator connected to the flange, the inside of the mounted airbag module Cover in the Level of those with the. AirbaggeMu.se latched hook is located and secured in this position on the Airbaggeliäuse.
Mit der Erfindung ist der Vorteil verbunden, dass der ohnehin zur Befestigung des Gasgenerators am Airbagmodui erforderliche Flansch gleichzeitig zur Sicherung der Befestigungshaken der Abdeckung herangezogen ist, sodass kein zusätzliches Bauteil erforderlich ist. The invention has the advantage that the flange, which is required anyway for fastening the gas generator to the airbag module, is simultaneously used to secure the fastening hooks of the cover, so that no additional component is required.
In einer ersten Ausführungsform der Erfindung ist vorgesehen, dass der Flansch einstückiger Bestandteil des Gasgenerators ist. In a first embodiment of the invention it is provided that the flange is an integral part of the gas generator.
In einer alternativen A u s f ü h r u n g s f o r m kann vorgesehen sein, dass der In an alternative embodiment, it may be provided that the
Flansch mit dem in einer F ί a n s c h a u s n e h m u n g schwingend angeordneten Gasgenerator über ein an Flansch einerseits und Gasgenerator andererseits jeweils befestigtes Federelement verbunden ist. Eine derartige Aufhängung des Gasgenerators» bei weicher der Gasgenerator mit seiner Masse einen Sch ingungstilger bildet, ist aus der DE 19908915 AI grundsätzlich bekannt. Flange is connected to the gas generator oscillating in a swinging manner via a spring element fixed to the flange on the one hand and the gas generator on the other hand. Such a suspension of the gas generator "in which the gas generator with its mass forms a deterrent is basically known from DE 19908915 A1.
Gemäß einer bevorzugten Ausführung form der Erfindung ist vorgesehen, dass ein topfförmig ausgebildetes Airbaggehäuse mit einer Bodenplatte vorgesehen ist und in der Bodenplatte der davon aufstehenden Seitenwand des Airbaggehäuses benachbart Durchbrechungen ausgebildet sind und dass die Abdeckung mit ihrer die Haken tragenden Außenwand innenseitig der Seitenwand des Airbaggehäuses in das top {'förmige Airbaggehäuse eingeschoben ist. so dass die Haken die Durchbrechungen der Bodenplatte durchgreifen und unter der Bodenplatte an von dieser gebildeten Hintergriffflächen verrasten,
In einer dazu alternaiiven Ausführungsform kann vorgesehea sein, dass ein topfförmi g ausgebildetes Airfaaggehäuse mit einer Bodenplatte vorgesehen ist und in der Bodenplatte im Übergangsbere ich zur davon aufstehenden Sei ten wand des Airhaggehäuses Durchbrechungen ausgebildet sind und dass die Abdeckung mit ihrer die Haken tragenden Außenwand i nnenseiüg der Seitenwand des Airhaggehäuses in das Airbaggehäu se eingeschoben ist, so dass die Haken die Durchbrechungen der Bodenplatte durchgreifen und unter den unteren Rand der Sei tenwand des Airbaggehäuses greifen und an den entsprechend von dem unteren Rand der Se itenwand gebildeten Hintergriffflächen ver rasten . According to a preferred embodiment of the invention, it is provided that a cup-shaped design airbag housing is provided with a bottom plate and in the bottom plate of the upstanding side wall of the airbag housing adjacent openings are formed and that the cover with its outer wall carrying the hook inside the side wall of the airbag housing in the top { ' shaped airbag housing is inserted. so that the hooks pass through the apertures of the bottom plate and latch under the bottom plate at the rear grip surfaces formed by the latter, In an alternative embodiment it can be vorgesehea that a topfförmi g trained Airfaaggehäuse is provided with a bottom plate and in the bottom plate in the transitional I to the upstanding Be th wall of the Airhaggehäuses openings are formed and that the cover with its outer wall carrying the hooks i nnenseiüg the side wall of the Airhaggehäuses is inserted into the Airbaggehäu se, so that the hooks pass through the openings of the bottom plate and reach under the lower edge of the Be tenwand of the airbag housing and on the corresponding wall of the lower edge of the Se itenwand formed Hintergriffflä ver.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung wiedergegeben, welches nachstehend beschrieben i st. Es zeigen: In the drawing, an embodiment of the invention is shown, which i described below. Show it:
Fig. 1 einen Teil ausschnitt eines Airbagmodui s in. einer Perspektivansicht von unten auf die Befestigung der Abdeckung am Airbaggehäuse und deren Sicherung durch den mit dem Gasgenerator verbundenen Flansch, 1 is a partial section of an Airbagmodui s in. A perspective view from below of the mounting of the cover on the airbag housing and its securing by the connected to the gas generator flange,
Fig. 2 den. Gegen stand der Figur 1 in einer geschnitten, schematisierten Fig. 2 the. Against stood the figure 1 in a cut, schematized
Seitenansicht, Side View,
Fig. 3 eine voll ständige Unteransicht des Airbagmoduis mit eingesetztem Gasgenerator, 3 is a fully continuous bottom view of the airbag module with inserted gas generator,
Fig. 4 den den Gasgenerator haltenden Flansch in einer Einzeldarstellung.
Wie sich zunächst aus Figuren 1 und 2 ergibt, ist ein topfförmiges Airbaggehäuse 10 mit einer Bodenplatte 11 und einer davon aufstehenden Seitenwand 12 vorgesehen, in dessen Innerem in an sich bekannter Weise ein nicht dargestellter Gassack ein gefaltet und ein nur ausschnittsweise erkennbarer Gasgenerator 22 angeordnet sind. An seiner offenen Seite ist das topfförmige Airhaggehäuse 10 durch eine ebenfalls topfförmige Abdeckung 13 verschlossen, deren Außenwand 14 sich parallel zur Seitenwand 12 des Airbaggehäiises 10 erstreckt und bei auf das Airbaggehäuse 10 aufgesetzter Abdeckung 13 an der Innenseite der Seitenwand 12 des Airbaggehäuse 10 anliegt. Fig. 4 shows the gas generator holding flange in a single representation. As initially apparent from Figures 1 and 2, a cup-shaped airbag housing 10 is provided with a bottom plate 11 and a side wall 12 thereof upstanding, in the interior in a known manner, an unillustrated airbag folded and a only partially visible gas generator 22 are arranged , On its open side, the cup-shaped Airhaggehäuse 10 is closed by a likewise cup-shaped cover 13, the outer wall 14 extends parallel to the side wall 12 of the Airbaggehäiises 10 and rests on the airbag housing 10 patch cover 13 on the inside of the side wall 12 of the airbag housing 10.
An dem stirnseitigen Ende der Außenwand 14 der Abdeckung 13 sind über deren Umfang verteilt mit Abstand zueinander mehrere Haken 15 angeordnet, deren Hakenvorsprünge 16 zur Außenseite der Abdeckung 13, mithin in Richtung der Seitenwand 12 des Airbaggehäiises 10 vorspringend angeordnet sind und auf ihrer nach außen gerichteten Seite mit Anschrägungen 17 versehen sind. Die Haken 15 sind entsprechend so angeordnet, dass die Haken 15 bezüglich der Außenwand 14 der Abdeckung 13 nach einwärts federn, wenn die Abdeckung 13 auf das Airbaggehäuse 10 aufgesetzt bzw. in dieses hinein verschoben wird. At the front end of the outer wall 14 of the cover 13 distributed over the circumference at a distance from each other a plurality of hooks 15 are arranged, the hook projections 16 are projecting to the outside of the cover 13, thus projecting in the direction of the side wall 12 of the Airbaggehäiises 10 and on its outwardly directed Side with chamfers 17 are provided. The hooks 15 are correspondingly arranged so that the hooks 15 spring inwardly with respect to the outer wall 14 of the cover 13 when the cover 13 is placed on the airbag housing 10 and displaced therein.
Den Haken 15 sind in der Bodenplatte 11 des Airbaggehäiises 10 Durchbrechungen 18 zugeordnet, die bei dem dargestellten Ausführungsbei piel in dem Über angsbereich zwischen der Bodenplatte 11 und der davon aufstehenden Seitenwand 12 des Airbaggehäuses 10 angeordnet sind, so dass beim Einsetzen der Abdeckung 13 in das Airbaggehäuse 1.0 die Hakenvorsprünge 16 der Haken 15 durch die Seitenwand 12 des Airbaggehäuses 10 nach innen abgebogen werden, bis die Haken 15 mit Hakenvorsprüngen 16 durch die Durchbrechungen 18 in der Bodenplatte 11 hindurchtreten und anschließend federn in ihre Ausgangsstellung zurückschnappen, in welcher die Hakenvorsprünge 16 unter dem unteren Rand der Seitenwand 12 des Airbaggehäiises 10
einrasten. In dieser Stellung ist die Abdeckung 13 mit dem AirbaggeMii.se 10 verrastet, The hooks 15 are in the bottom plate 11 of the Airbaggehäiises 10 openings 18 associated with the Piel in the illustrated Ausführungsbei in the About angsbereich between the bottom plate 11 and the upstanding side wall 12 of the airbag housing 10 are arranged so that when inserting the cover 13 in the Airbag housing 1.0, the hook projections 16 of the hooks 15 are bent through the side wall 12 of the airbag housing 10 inwardly until the hooks 15 with hook projections 16 pass through the apertures 18 in the bottom plate 11 and then spring back into its starting position, in which the hook projections 16 under the lower edge of the side wall 12 of the Airbaggehäiises 10th engage. In this position, the cover 13 is latched to the AirbaggeMii.se 10,
Um diese Rastverbindung zu sichern, ist ein den Gasgenerator 22 haltender Flansch 1 so angeordnet, dass der Flansch 19 bei an dem Airbaggehäuse 10 montierter Abdeckung 13 innenseitig der Haken 15 in der Ebene der mit dem unteren Rand der Seitenwand 12 des Airbaggehäiises 10 verrasteteii Haken 15 liegt und somit ein Einbiegen der Haken 15 nach innen, verhindert. In dieser Lage ist der Flansch 19 über Schraub Verbindungen 23 mit der Bodenplatte 11 des Airbaggehäiises 10 verbunden. In order to secure this latching connection, a flange 1 holding the gas generator 22 is arranged so that the flange 19 in the case of the cover 13 mounted on the airbag housing 10 inside the hook 15 in the plane of the hooks 15 latched to the lower edge of the side wall 12 of the airbag housing 10 is located and thus a bending of the hook 15 inward prevented. In this position, the flange 19 is connected via screw connections 23 to the bottom plate 11 of the Airbaggehäiises 10.
Wie sich dazu aus Figuren 3 und 4 ergänzend entnehmen lässt, ist bei dem dargestellten Ausführungsbeispiel eine Festlegung des Gasgenerators 22 in dem Airbaggehäuse 10 verwirklicht, bei der der Gasgenerator mit seiner Masse einen Schwingungstilger bildet, wie die aus de DE 19908915 A 1 bekannt ist. Hierzu weist der Flan ch 19 eine F Ianschausnehmung 20 auf, wobei a dem Flansch 19 ein die Flanschausnehrnung 20 umgebendes Federeiement 21 befestigt ist, welches seinerseits mit seinem freien Ende an dem Gasgenerator 22 befestigt ist. Insofern hängt der Gasgenerator 22 frei schwingend in der Flanschausnehrnung 20 des Flansches 19 und ist darin durch, das sowohl an dem Flansch 19 wie auch an dem Gasgenerator 22 befestigte Federelemeiit 21 gehalten. As can be seen in addition from Figures 3 and 4, in the illustrated embodiment, a determination of the gas generator 22 is realized in the airbag housing 10, wherein the gas generator forms with its mass a vibration absorber, as is known from DE DE 19908915 A1. For this purpose, the flan ch 19 has a F Ianschausnehmung 20, wherein a the flange 19 a Flanschausnehrnung 20 surrounding Federeiement 21 is attached, which in turn is attached with its free end to the gas generator 22. In this respect, the gas generator 22 hangs freely swinging in the Flanschausnehrnung 20 of the flange 19 and is held therein by the spring 19 attached to both the flange 19 as well as to the gas generator 22 Federelemeiit.
Die erfindungsgemäße Sicherung der Befestigung der Abdeckung 13 a dem Airbaggehäuse 10 lässt sieh jedoch auch i den Fällen verwirklichen, in denen der Flansch 19 unmittelbar mit dem Gasgenerator 22 verbunden ist und diesen hält.
Aus Figuren 3 und 4 ergibt sich, weiterhin eine besondere Umfangsgestalt des Flansches 19 mit entsprechenden Randaussparungen 24, die insbesondere aus Gründen einer Gewiehtsersparnis bei dem Airbagmodul 10 vorgesehen sind. Bei der Anordnung der Randaussparungen 24 ist darauf Bedacht genommen, dass die zwischen den Rand aus sparungen 24 verbleibenden Umfangsabschn.it- te des Flansches 19 zumindest einen Teilbereich der mit der Seitenwand 12 des Airbaggehäuses 10 verrasteten. Haken 1.5 der Abdeckung 13 festlegen. However, the fuse according to the invention for securing the cover 13a to the airbag housing 10 can also be realized in cases in which the flange 19 is connected directly to the gas generator 22 and holds it. FIGS. 3 and 4 show, furthermore, a special peripheral shape of the flange 19 with corresponding edge recesses 24, which are provided in particular for reasons of saving weight in the airbag module 10. In the arrangement of the edge recesses 24, care is taken that the savings between the edge 24 remaining Umfangsabschn.it- te of the flange 19 at least a portion of the latched to the side wall 12 of the airbag housing 10. Set hook 1.5 of the cover 13.
Die in der vorstehenden Beschreibung, den Patentansprüchen, der Zusammenfassung und der Zeichnung offenbarten Merkmale des Gegenstandes dieser Unterlagen können einzeln als auch in beliebigen Kombinationen untereinander für die Verwirklichung der Er indung in ihrer verschiedenen Ausf Vi nin s formen wesentlich sein.
The features of the subject matter of this document disclosed in the above description, the patent claims, the abstract and the drawing can be essential individually as well as in any desired combination with one another for the realization of the invention in its various embodiments.
Claims
1. Airbagmodul mit einem Airbaggehäuse und einem darin aufgenommenen eingefalteten Gassack sowie Gasgenerator and mit einer ein Bestandteil, des Airbaggehäuse bildenden topfförmigen Abdeckung, wobei die Abdeckung an dem äufleren Rand ihrer Außenwand federnd ausgebildete Haken zum Hintergriff von an dem Airbaggehäuse ausgebildeten Hintergriffflächen aufweist und ein Sicherungsmittel zur Festlegung der Haken in deren mit dem Airbaggehäuse verrasteten Stellung vorgesehen ist, dadurch gekennzeichnet, dass die Haken (15) am äußeren Rand der topfförmigen Abdeckung (13) einwärts federnd angeordnet sind und zur Außenseite der Abdeckung (13) gerichtete Haken vorspränge (16) aufweisen und dass das Sicherungsmittel aus einem mit dem Gasgenerator (22) verbundenen Flansch (19) besteht, der bei montiertem Airbagmodu! innenseitig der Abdeckung (13) in der Ebene von deren, mit dem Airbaggehäuse (10) verrasteten Haken (15) liegt: und in dieser Lage an dem Airbaggehäuse (10) befestigt ist.
1. Airbag module with an airbag housing and a folded gas bag and gas generator accommodated therein and having an integral part of the airbag housing cup-shaped cover, wherein the cover on the outer edge of its outer wall resiliently formed hooks for rear grip formed on the airbag housing Hintergriffflächen and a securing means for fixing the hook is provided in its locked with the airbag housing position, characterized in that the hooks (15) on the outer edge of the cup-shaped cover (13) are arranged inwardly resiliently and to the outside of the cover (13) directed hooks project (16) and in that the securing means consists of a flange (19) connected to the gas generator (22) which, when the airbag module is fitted, is mounted. inside the cover (13) in the plane of its, with the airbag housing (10) latched hook (15): and in this position on the airbag housing (10) is fixed.
2. Airbagmodul nach Anspruch 1, dadurch gekennzeichnet, dass der Flansch (19) einstöckiger Bestandteil des Gasgenerators (22) ist. 2. Airbag module according to claim 1, characterized in that the flange (19) is a one-piece component of the gas generator (22).
3. Airbagmodul nach Anspruch 1, dadurch gekennzeichnet, dass der 3. Airbag module according to claim 1, characterized in that the
Flansch (19) mit dem in einer F!anschausnehmung (20) schwingend angeordneten Gasgenerator (22) über ein an Flansch (1 ) einerseits und Gasgenerator (22) andererseits jeweils befestigtes Federe lernen! (21) verbunden ist. Flange (19) with the gas generator (22) oscillating in a F schausausnehmung (20) learn about a on flange (1) on the one hand and gas generator (22) on the other hand each fixed spring! (21) is connected.
4. Airbagmodul nach einem der Ansprüche 1 bis 3. dadurch gekennzeichnet, dass ein. topfförmig ausgebildetes Airbaggehäuse (10) mit einer Bodenplatte (11) vorgesehen ist und in der Bodenplatte (11) der davon aufstehenden Seitenwand (12) des Airbaggehäuses (10) benachbart Durchbrechungen (18) ausgebildet sind und dass die Abdeckung (13) mit ihrer die Haken (15) tragenden Außenwand (14) innenseitig der Seitenwand (12) des Airbaggehäuses (10) in das topfförmige Airbaggehäuse (10) eingeschoben ist, so dass die Haken (15) die Durchbrechungen (18) der Bodenplatte (11) durchgreifen und unter der Bodenplatte (11) an von dieser gebildeten Hinter griff flächen verrasten. 4. Airbag module according to one of claims 1 to 3, characterized in that a. Cup-shaped airbag housing (10) with a bottom plate (11) is provided and in the bottom plate (11) of the upstanding side wall (12) of the airbag housing (10) adjacent openings (18) are formed and that the cover (13) with their Hook (15) carrying outer wall (14) inside the side wall (12) of the airbag housing (10) is inserted into the cup-shaped airbag housing (10), so that the hooks (15) pass through the openings (18) of the bottom plate (11) and below the bottom plate (11) engage in grip surfaces formed by this.
5. Airbagmodul nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass ein topfförmig ausgebildetes Airbaggehäuse (10) mit einer Bodenplatte (11) vorgesehen ist und in der Bodenplatte (11) im Üher- gangsbereich zur davon aufstehenden Seitenwand (12) des Airbaggehäuses (10) Durchbrechungen (18) ausgebildet sind und dass die Abdeckung (13) mit ihrer die Haken (15) tragenden Außenwand ( 14) innensei tig der Seitenwand (12) des Airbaggehäuses (10) in das Airbaggehäuse (10) eingeschoben ist, so dass die Haken (15) die Durchbrechungen (18) de Bodenplatte (11) durchgrei en und unter den untere Rand der Seiten wand (12) des Airbaggehäuses (10) greifen und a den ent-
sprechend von dem uateren Rand der Seitenwand (12) gebildeten Hinter gnlYflächen verrasten.
5. Airbag module according to one of claims 1 to 3, characterized in that a cup-shaped design airbag housing (10) with a bottom plate (11) is provided and in the bottom plate (11) in Üher- gang area to the upstanding side wall (12) of the airbag housing (10) openings (18) are formed and that the cover (13) with its the hooks (15) supporting the outer wall (14) innensei tig of the side wall (12) of the airbag housing (10) is inserted into the airbag housing (10), so in that the hooks (15) pass through the apertures (18) of the bottom plate (11) and reach under the lower edge of the side wall (12) of the airbag housing (10) and latching behind the GnlYflächen formed by the uateren edge of the side wall (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011052395.2 | 2011-08-04 | ||
| DE102011052395.2A DE102011052395B4 (en) | 2011-08-04 | 2011-08-04 | Airbag module with cover fastening secured by the gas generator flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013017432A1 true WO2013017432A1 (en) | 2013-02-07 |
Family
ID=46601779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/064243 WO2013017432A1 (en) | 2011-08-04 | 2012-07-20 | Airbag module having a cover fastening secured by the gas generator flange |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102011052395B4 (en) |
| WO (1) | WO2013017432A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220332270A1 (en) * | 2019-09-27 | 2022-10-20 | Autoliv Development Ab | Airbag assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017106123B4 (en) * | 2017-03-22 | 2019-05-23 | Autoliv Development Ab | Airbag housing device with securing plate fixed by pins |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205727A1 (en) * | 1991-02-25 | 1992-09-03 | Trw Inc | AIRBAG MODULE DESIGN AND ASSEMBLY PROCEDURE |
| US5354093A (en) | 1993-04-05 | 1994-10-11 | General Motors Corporation | Air bag module having integral cover attachment |
| WO2000006425A1 (en) * | 1998-07-24 | 2000-02-10 | Petri Ag | Fixing device for an airbag in an airbag housing |
| DE19908915A1 (en) | 1999-03-02 | 2000-09-14 | Freudenberg Carl Fa | Vibration shock absorber for steering wheel with airbag has gas generator connected to airbag housing by gas-impermeable elastomer spring element |
| US20080100040A1 (en) * | 2006-10-27 | 2008-05-01 | Autoliv Asp, Inc. | Airbag cover retention method |
| US20080100039A1 (en) * | 2006-10-27 | 2008-05-01 | Autoliv Asp, Inc. | Method and apparatus for airbag module cover attachment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577768A (en) * | 1993-04-28 | 1996-11-26 | Nippondenso Co., Ltd. | Air bag device having a minimized cone depth |
| US6036223A (en) * | 1998-01-12 | 2000-03-14 | General Motors Corpoartion | Hands free air bag electrical connector assembly |
| US20030116948A1 (en) * | 2001-12-21 | 2003-06-26 | Friedrich Back | Gas generator for a steering wheel airbag of a motor vehicle |
| DE20303230U1 (en) * | 2003-02-27 | 2003-07-10 | Trw Automotive Safety Sys Gmbh | Airbag module |
| US7255364B2 (en) * | 2004-03-05 | 2007-08-14 | Key Safety Systems, Inc. | Driver air bag cover and attachment method |
| KR100946939B1 (en) * | 2007-12-18 | 2010-03-09 | 델파이코리아 유한회사 | Mounting Structure of Air Bag Module |
-
2011
- 2011-08-04 DE DE102011052395.2A patent/DE102011052395B4/en not_active Expired - Fee Related
-
2012
- 2012-07-20 WO PCT/EP2012/064243 patent/WO2013017432A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205727A1 (en) * | 1991-02-25 | 1992-09-03 | Trw Inc | AIRBAG MODULE DESIGN AND ASSEMBLY PROCEDURE |
| US5354093A (en) | 1993-04-05 | 1994-10-11 | General Motors Corporation | Air bag module having integral cover attachment |
| WO2000006425A1 (en) * | 1998-07-24 | 2000-02-10 | Petri Ag | Fixing device for an airbag in an airbag housing |
| DE19908915A1 (en) | 1999-03-02 | 2000-09-14 | Freudenberg Carl Fa | Vibration shock absorber for steering wheel with airbag has gas generator connected to airbag housing by gas-impermeable elastomer spring element |
| US20080100040A1 (en) * | 2006-10-27 | 2008-05-01 | Autoliv Asp, Inc. | Airbag cover retention method |
| US20080100039A1 (en) * | 2006-10-27 | 2008-05-01 | Autoliv Asp, Inc. | Method and apparatus for airbag module cover attachment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220332270A1 (en) * | 2019-09-27 | 2022-10-20 | Autoliv Development Ab | Airbag assembly |
| US11760295B2 (en) * | 2019-09-27 | 2023-09-19 | Autoliv Development Ab | Airbag assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011052395A1 (en) | 2013-02-07 |
| DE102011052395B4 (en) | 2016-03-31 |
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