WO1996024511A2 - Anordnung zur befestigung eines aus einem gehäuseboden und einem gehäusedeckel bestehenden airbag-gehäuse im lenkrad - Google Patents
Anordnung zur befestigung eines aus einem gehäuseboden und einem gehäusedeckel bestehenden airbag-gehäuse im lenkrad Download PDFInfo
- Publication number
- WO1996024511A2 WO1996024511A2 PCT/EP1996/000453 EP9600453W WO9624511A2 WO 1996024511 A2 WO1996024511 A2 WO 1996024511A2 EP 9600453 W EP9600453 W EP 9600453W WO 9624511 A2 WO9624511 A2 WO 9624511A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- steering wheel
- sleeve
- spring
- arrangement according
- Prior art date
Links
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
- B60R21/203—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/001—Switches therefor
- B60Q5/003—Switches therefor mounted on the steering wheel
-
- 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 is based on an arrangement according to the preamble of claim 1.
- the driver airbag arranged in the steering wheel bowl has so far been attached by screwing the module, i.e. essentially the airbag housing against the steering wheel skeleton, whereby for design reasons care must be taken to ensure that the fastening means cannot be recognized from the outside after assembly. Since, for technical reasons, the airbag module can only be inserted into the steering wheel bowl after the steering wheel has been installed, this involves a considerable amount of assembly work. If the screw connection is carried out from the side, the screw connection means remain visible and must be provided with a cover for lamination. For this reason, the screwing usually takes place from below, which, however, is also generally associated with difficulties in view of the fact that the fastening points are difficult to access and that the steering wheel has to be turned after the first screw has been fastened. to get to the attachment point of the second screw.
- the present invention has for its object to provide an arrangement by means of which the airbag module can be fastened in the steering wheel bowl in a simple and not easily detachable manner.
- the invention provides a fastening arrangement with the aid of which the airbag module can be fastened in the steering wheel bowl to anchors which are not visible from the outside, with the aid of a tool, disassembly being impossible or only possible with great effort after the fastening, so that a unintentional or willful removal of the airbag is excluded.
- Fig. 1 is a perspective view of a steering wheel with an airbag before its attachment in the steering bowl
- FIG. 1A shows the steering wheel shown in FIG. 1 after the airbag has been introduced
- Fig. 2 is a top view of the skeleton of the steering wheel in the area of the steering wheel hub
- Fig. 3 is a side view of the airbag module together with a partial sectional view of the steering wheel before assembly
- FIG. 4 shows a view corresponding to FIG. 3 in an intermediate assembly position
- FIG. 5 shows a view corresponding to FIGS. 3 and 4 after the airbag module has been installed in the steering wheel bowl
- FIG. 7 shows an enlarged partial illustration of the steering wheel after the airbag has been installed in the region of one of the fastening points
- FIG. 8 is an enlarged sectional view of one of the fastening points Fig. 9 is a section corresponding to FIG. 8 through an attachment point before assembly
- FIG. 10 shows a section corresponding to FIG. 9 through an attachment point in an intermediate assembly position
- Fig. 11 is a schematic representation of the disassembly process
- FIG. 12 shows a section corresponding to FIG. 8 through a fastening point with a signal contact connection
- Fig. 13 is an enlarged partial section through the mounting point shown in Fig. 5 with signal contact connection
- FIG. 14 shows another embodiment of the contact device shown in FIG. 12
- FIG. 15 shows another embodiment of the contact device shown in FIG. 14
- the arrangement shown in the drawing is used to fasten the housing 1 in the bowl of the steering wheel 2, and in the case of the embodiment shown in FIGS. 1 to 5, a holder on the bottom of the housing 1 and a spring on the skeleton of the steering wheel interacting with the holder Notches 4, 5, 6 are arranged.
- the brackets arranged on the bottom of the housing 1 consist of two hooks 3 extending parallel to the central steering wheel axis and the resilient catches consist of two prestressed leg springs 4 arranged at a corresponding point on the steering wheel skeleton, which with one leg 5 are fixed in a guide window 7 for the hook 3 releasing bracket 8 are clamped in that the free leg, acting with a radially outward force direction, projects in the region of the guide window 7 and thus in the insertion path of the hook 3.
- the free leg 6 extends beyond the bracket 8 into a space accessible from the outside in the radial direction, so that the projecting end is freely accessible and pressed there for the purpose of disassembling the airbag module and thus the hook 3 out the bracket can be pulled.
- the airbag For assembly - see FIGS. 3 to 5 - the airbag is placed with its hook 3 over the window 7 (FIG. 1) and pushed into the window (FIG. 2), the leg 6 of the leg spring 4 on the Sloping edge 9 of the hook 3 slides on until it engages behind the latching lug after it has been fully pressed in due to its pretension.
- the airbag is now firmly clipped into the steering wheel bowl and can no longer be removed easily. This requires the simultaneous loosening of both springs, for which purpose both spring legs 6 have to be pressed out of the region of the latching lug with the aid of a tool.
- two pins 20 having a circumferential groove 21 are attached to the skeleton of the steering wheel hub, and a corresponding number of middle sleeves 11, which can be plugged onto the pin, are fastened to the bottom of the housing 1, with a sleeve both inside and out outside shoulder-forming indentation 18 are provided.
- the sleeve serves as a guide for two further sleeves, namely an inner sleeve 13 and an outer sleeve 14, of which the inner sleeve 13 is pot-shaped with a bottom to form a spring support and one of which is attached to the air bag housing 1 or a spring plate 25 supporting spring 16 is acted upon, while the sleeve 14 also guided on the drawn-in part of the sleeve 11 is acted upon in the same direction of action as the sleeve 13 by a spring 19 supported on the shoulder 18.
- outer sleeve 14 with recesses arranged on a circumferential line as ball sockets 15 and the middle sleeve 11 with holes in a circumferential position corresponding to the ball sockets 15 as a ball cage for balls 12, which have a diameter exceeding the wall thickness of the sleeve 11 .
- Both sleeves 13, 14 are finally provided with their adjustment under the action of the springs 16, 19 limiting stops. They are formed in the case of the inner sleeve 13 by the edge flange 17 arranged on the open side and cooperating with the shoulder 18 and in the case of the outer sleeve 14 either - as in the case of FIG.
- the arrangement assumes the position shown in FIG. 9, in which the inner sleeve 13 is pressed into the middle sleeve 11 under the action of the spring 16 until the flange 17 stops on the shoulder 18 and the outer sleeve 14 is retracted against the action of the spring 19 to such an extent that the balls 12, which are mounted in the bores of the middle sleeve 11 and pressed outwards by the inner sleeve 13, engage in the ball sockets 15.
- the housing with the sleeves 11 is pushed onto the pins 20 by displacing the inner sleeve 13 after it has been placed on the pins 20.
- the fastening device serves at the same time for making contact, for example for the signal horn, and for transmitting current when making contact.
- the spring plate 25 made of insulating material as a carrier for the contact 24 leading to the voltage source 27, furthermore the middle sleeve 11, which is made of conductive material for this purpose, as a mating contact and finally the middle sleeve 11 together with the pin 20 as a conductor to the ground or negative pole 26 of the circuit.
- It also has a groove 21 which serves to guide the balls 12 and which gives the balls an axial range of motion corresponding to the distance between the contact 24 and the sleeve 13.
- the entire arrangement - including the generator support 32 which no longer has a rigid connection to the steering wheel or another fixed element in comparison to the conventional modules - is held by the springs 16 in the position shown with the contact 24-13 open.
- the contact is made by pressure on the housing 1 of the module, which is thus pressed down against the action of the springs 16 until the contact 24-13 closes, including the middle sleeve 11 and the balls 12, which are in the circumference of the groove 21 can avoid available axial scope.
- the groove also serves to limit the axial movement. After relieving pressure, the arrangement is returned to its starting position by the springs 16.
- FIGS. 13 and 15 Corresponding arrangements for the embodiment shown in FIGS. 1 to 5 are shown in FIGS. 13 and 15.
- the contact 24 of the signal device connected to the voltage source 27 is fastened in the bottom of the housing 1 and the holder 8 for the hook 3, which acts as a ground contact 26 or conductor, is provided with a mating contact nose 28, the Housing 1 is supported against the bracket 8 by means of a spring element 23 which at the same time serves to compensate for play and to maintain the contact distance.
- the contact closure in this case results from the elasticity of this element when pressure is exerted on the airbag housing.
- FIG. 13 Another embodiment is shown in FIG.
- the elastic elements contained in the module act simultaneously in the sense of vibration decoupling, i.e. they serve to reduce the considerably increased repercussions of the inevitable turning impacts on the steering wheel due to the high weight of the airbag module - with rigid attachment in the steering wheel by means of the generator support.
- the decoupling can be further improved in that - as in the case of the embodiments shown in FIGS. 14 and 15 - the housing 1 and thus the entire module are supported against their supports 32 and 8 by means of a further elastic element 30 .
- the overall center of gravity of the module is practically in the plane of the generator carrier and the generator due to its inertia is only sluggish, i.e. follows with a time delay, the decoupling laid in this plane simultaneously counteracts the occurrence of torsional vibrations in the steering wheel as a result of such steering impacts.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/727,550 US5775725A (en) | 1995-02-06 | 1996-02-03 | Device for fastening an air bag housing comprising a housing bottom and a housing cover in the steering wheel |
JP8523963A JPH10500922A (ja) | 1995-02-06 | 1996-02-03 | ケーシング底とケーシング蓋からなるエアバッグケーシングをステアリングホイールに固定する装置 |
BR9605300A BR9605300A (pt) | 1995-02-06 | 1996-02-03 | Disposição para a fixação de um alojamento de airbag consistindo de um fundo de alojamento e de uma tampa de alojamento no volante |
GB9619785A GB2303827B (en) | 1995-02-06 | 1996-02-03 | Arrangement for securing an airbag housing in a steering wheel, such housing comprising a housing base and a housing cover |
SE9603562A SE9603562L (sv) | 1995-02-06 | 1996-09-30 | Anordning för infästning av ett av en underdel och en överdel bestående hölje till en gaskudde i en ratt |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19503816.9 | 1995-02-06 | ||
DE19503816A DE19503816B4 (de) | 1995-02-06 | 1995-02-06 | Anordnung zur Befestigung eines aus einem Gehäuseboden und einem Gehäusedeckel bestehenden Gehäuses im Lenkrad |
FR9609152A FR2751289B1 (fr) | 1995-02-06 | 1996-07-22 | Systeme de fixation d'un boitier de coussin gonflable, constitue d'un fond et d'un couvercle, dans un volant |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1996024511A2 true WO1996024511A2 (de) | 1996-08-15 |
WO1996024511A3 WO1996024511A3 (de) | 1996-09-26 |
Family
ID=26012177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/000453 WO1996024511A2 (de) | 1995-02-06 | 1996-02-03 | Anordnung zur befestigung eines aus einem gehäuseboden und einem gehäusedeckel bestehenden airbag-gehäuse im lenkrad |
Country Status (8)
Country | Link |
---|---|
US (1) | US5775725A (de) |
JP (1) | JPH10500922A (de) |
BR (1) | BR9605300A (de) |
DE (1) | DE19503816B4 (de) |
FR (1) | FR2751289B1 (de) |
GB (1) | GB2303827B (de) |
SE (1) | SE9603562L (de) |
WO (1) | WO1996024511A2 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997046424A1 (en) * | 1996-06-06 | 1997-12-11 | Ab Volvo | Suspension device |
US6554312B2 (en) | 2000-06-27 | 2003-04-29 | Toyoda Gosei Co., Ltd. | Air bag module mounting structure |
KR20040041343A (ko) * | 2002-11-11 | 2004-05-17 | 현대자동차주식회사 | 운전석용 에어백모듈의 장착구조 |
Families Citing this family (70)
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DE19625722C2 (de) * | 1996-06-27 | 2000-05-11 | Autoliv Dev | Lenkrad mit schwimmend angeordnetem Airbagmodul |
JP3276581B2 (ja) * | 1996-09-27 | 2002-04-22 | 日本プラスト株式会社 | ステアリングホイール |
DE29621295U1 (de) | 1996-11-27 | 1997-02-06 | Petri Ag, 63743 Aschaffenburg | Vorrichtung zur Befestigung eines Airbagmoduls im Lenkrad |
FR2759342B1 (fr) * | 1997-02-07 | 1999-04-30 | Peugeot | Dispositif de liaison elastique entre un sac gonflable et un volant de direction d'un vehicule automobile |
GB2325900B (en) * | 1997-06-05 | 2001-04-18 | Autoliv Dev | Improvements in or relating to a steering wheel arrangement |
DE19724029A1 (de) * | 1997-06-06 | 1998-12-24 | Takata Europ Gmbh | Airbag-Vorrichtung |
DE19725684C2 (de) * | 1997-06-18 | 2003-10-09 | Autoliv Dev | Lenkrad mit einem mittels Rastverbindung daran befestigten Airbagmodul |
DE29719275U1 (de) | 1997-10-17 | 1997-12-18 | Petri Ag, 63743 Aschaffenburg | Lenkrad mit Airbagmodul und integriertem Floating-Horn-System |
DE29722824U1 (de) | 1997-12-24 | 1998-04-02 | TRW Automotive Safety Systems GmbH, 63743 Aschaffenburg | Lenkrad mit einem Airbagmodul |
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DE102017114301A1 (de) * | 2017-06-28 | 2019-01-03 | Trw Automotive Safety Systems Gmbh | Schwingungstilgerring sowie gassackmodul mit einem solchen schwingungstilgerring |
US10583855B2 (en) | 2017-09-05 | 2020-03-10 | Byton Gmbh | Steering device for a vehicle, in particular an electric vehicle |
DE102018112224A1 (de) * | 2018-05-22 | 2019-11-28 | Trw Automotive Safety Systems Gmbh | Fahrzeuglenkrad sowie Lenkradbaugruppe mit einem solchen Fahrzeuglenkrad |
KR102693552B1 (ko) * | 2019-04-11 | 2024-08-08 | 현대모비스 주식회사 | 운전석 에어백장치 |
JP7410821B2 (ja) * | 2020-08-19 | 2024-01-10 | Joyson Safety Systems Japan合同会社 | ステアリングホイール |
JP7302561B2 (ja) * | 2020-09-14 | 2023-07-04 | 豊田合成株式会社 | エアバッグ装置の取付機構 |
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US5410114A (en) * | 1992-12-25 | 1995-04-25 | Toyoda Gosei Co., Ltd. | Steering wheel horn switch mechanism |
US5577768A (en) * | 1993-04-28 | 1996-11-26 | Nippondenso Co., Ltd. | Air bag device having a minimized cone depth |
US5350190A (en) * | 1993-07-06 | 1994-09-27 | Primrose, Inc. | Air bag assembly mount including snap-fit horn attachment |
US5470099A (en) * | 1993-11-01 | 1995-11-28 | General Motors Corporation | One-piece steering wheel assembly |
-
1995
- 1995-02-06 DE DE19503816A patent/DE19503816B4/de not_active Expired - Fee Related
-
1996
- 1996-02-03 JP JP8523963A patent/JPH10500922A/ja active Pending
- 1996-02-03 WO PCT/EP1996/000453 patent/WO1996024511A2/de active IP Right Grant
- 1996-02-03 GB GB9619785A patent/GB2303827B/en not_active Expired - Fee Related
- 1996-02-03 BR BR9605300A patent/BR9605300A/pt not_active IP Right Cessation
- 1996-02-03 US US08/727,550 patent/US5775725A/en not_active Expired - Fee Related
- 1996-07-22 FR FR9609152A patent/FR2751289B1/fr not_active Expired - Fee Related
- 1996-09-30 SE SE9603562A patent/SE9603562L/ not_active Application Discontinuation
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EP0558866A1 (de) * | 1992-03-04 | 1993-09-08 | Vsi Corporation | Befestigungsvorrichtung |
US5340255A (en) * | 1993-04-26 | 1994-08-23 | Avibank Mfg., Inc. | Plug locking assembly |
US5333897A (en) * | 1993-10-25 | 1994-08-02 | General Motors Corporation | Snap lock pin inflatable restraint module mounting mechanism |
US5380037A (en) * | 1993-10-25 | 1995-01-10 | General Motors Corporation | Snap-in inflatable restraint module mounting mechanism including latch elements |
US5409256A (en) * | 1994-01-04 | 1995-04-25 | General Motors Corporation | Driver-side air bag module assembly |
US5452979A (en) * | 1994-04-11 | 1995-09-26 | Vsi Corporation | Fastener assembly |
US5470100A (en) * | 1994-08-25 | 1995-11-28 | General Motors Corporation | Air bag module inflator retainer |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997046424A1 (en) * | 1996-06-06 | 1997-12-11 | Ab Volvo | Suspension device |
US6325411B1 (en) | 1996-06-06 | 2001-12-04 | Volvo Car Corporation | Suspension device |
US6554312B2 (en) | 2000-06-27 | 2003-04-29 | Toyoda Gosei Co., Ltd. | Air bag module mounting structure |
KR20040041343A (ko) * | 2002-11-11 | 2004-05-17 | 현대자동차주식회사 | 운전석용 에어백모듈의 장착구조 |
Also Published As
Publication number | Publication date |
---|---|
SE9603562D0 (sv) | 1996-09-30 |
FR2751289A1 (fr) | 1998-01-23 |
SE9603562L (sv) | 1996-09-30 |
BR9605300A (pt) | 1997-09-16 |
FR2751289B1 (fr) | 2001-03-23 |
WO1996024511A3 (de) | 1996-09-26 |
GB9619785D0 (en) | 1996-11-06 |
GB2303827B (en) | 1999-04-07 |
DE19503816A1 (de) | 1996-08-08 |
JPH10500922A (ja) | 1998-01-27 |
GB2303827A (en) | 1997-03-05 |
DE19503816B4 (de) | 2007-03-22 |
US5775725A (en) | 1998-07-07 |
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