WO1999005017A1 - Zur befestigung an einer in einem kraftfahrzeug gelagerten lenksäule vorgesehenes lenkrad - Google Patents
Zur befestigung an einer in einem kraftfahrzeug gelagerten lenksäule vorgesehenes lenkrad Download PDFInfo
- Publication number
- WO1999005017A1 WO1999005017A1 PCT/EP1998/004593 EP9804593W WO9905017A1 WO 1999005017 A1 WO1999005017 A1 WO 1999005017A1 EP 9804593 W EP9804593 W EP 9804593W WO 9905017 A1 WO9905017 A1 WO 9905017A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steering wheel
- steering
- hub
- steering column
- fixing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/10—Hubs; Connecting hubs to steering columns, e.g. adjustable
Definitions
- Steering wheel provided for attachment to a steering column mounted in a motor vehicle
- the invention relates to a steering wheel provided for attachment to a steering column mounted in a motor vehicle with a hub.
- Steering wheels known from practice generally have an internal toothing in their center, with which they are plugged onto the steering column.
- the steering column has an external toothing corresponding to the internal toothing of the steering wheel in order to introduce a torque.
- the internal teeth are usually pre-tensioned against the external teeth by means of tensioning elements.
- a disadvantage of the known steering wheel is that the fastening of the steering wheel to the steering column is very complex and the tensioning elements for easy assembly are generally arranged on the side of the steering wheel facing a driver. In today's motor vehicles, however, the area of the hub of the steering wheel facing the driver is often required to accommodate, for example, an electronic device or an airbag.
- the invention is based on the problem of designing a steering wheel of the type mentioned at the outset in such a way that it is very easy to attach to the steering column and that the hub has the largest possible free area on its side facing the driver.
- the hub is designed with a protruding socket as a preassembled structural unit, and in that the socket is provided for attachment to the steering column. Due to this design, no tensioning elements arranged on the side of the hub of the steering wheel facing the driver are required. This allows the steering wheel to be fully assembled during pre-assembly. The assembly of the steering wheel in the motor vehicle is carried out simply by attaching the neck protruding from the steering wheel to the steering column. As a result, the steering wheel according to the invention has a large free area in the area of the hub, which can be used to arrange components of electronic devices. This makes it possible, for example, to arrange a telephone or a satellite navigation device on the hub together with the control elements required for this purpose before the steering wheel is installed in the motor vehicle.
- the socket could be welded to the steering wheel hub.
- the connecting piece is reliably connected to the hub if it is made in one piece with the metal frame. This design also avoids aligning the nozzle with the steering wheel.
- the steering wheel according to the invention can hereby be manufactured particularly inexpensively. If the steering wheel according to the invention is provided for mounting on a steering column composed of several sections, the connecting piece can be designed, for example, as a section of the steering column. As a result, the steering wheel according to the invention also leads to a reduction in the number of interfaces of the steering column.
- the connecting piece and the metal frame of the hub of the steering wheel are made of light metal using the die-casting process.
- the one-piece design of the hub with the nozzle can be produced in a single mold thanks to the invention.
- the steering wheel according to the invention also has a particularly low weight.
- Steering wheels of today's motor vehicles often have an airbag and a gas generator for triggering the airbag.
- the assembly of the gas generator in the center of the hub is often very complex for uniform inflation of the airbag.
- the gas generator and the other components of the airbag are therefore installed half with the steering wheels known from practice often during the final assembly of the steering wheel in the motor vehicle.
- the steering wheel according to the invention can be combined with all components of the airbag to form a unit which can be preassembled particularly inexpensively if the socket is designed to be tubular for receiving a gas generator of an airbag.
- the gas generator is arranged in the center of the steering wheel as in the known steering wheel, which results in a particularly uniform build-up of pressure in the airbag.
- the center of gravity of the steering wheel is in the center of the hub, as a result of which the steering wheel has a particularly low mass inertia.
- two gas generators or a two-stage gas generator can also be arranged in the nozzle. This is advantageous in the case of so-called intelligent airbags, since it allows the opening behavior of the airbag to be set, for example, as a function of the weight of the driver.
- the gas generator could, for example, be glued into the connecting piece.
- the gas generator can be mounted particularly simply in the connection piece, without pressure being able to escape in the direction of the steering column if the connection piece is sealed gas-tight by a partition.
- the partition can be provided, for example, simply in the manufacture of the section.
- the gas generator must be installed particularly firmly in the nozzle for reliable deployment of the airbag.
- the attachment of the gas generator is structurally particularly simple if the connecting piece is designed as the housing of the gas generator.
- the steering wheel according to the invention consists of very few components and also has a particularly low weight.
- the invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing. represents and is described below. In a single figure, this shows a steering wheel according to the invention in a sectional illustration.
- the steering wheel according to the invention has a hub 1 with a metal frame 2 and a plastic cover 3.
- the hub 1 carries a steering ring 4 via spokes (not shown).
- the metal frame 2 is made in one piece with a tubular connecting piece 5 provided for attachment to a steering column (not shown).
- An airbag 6 is arranged on the side of the hub 1 facing away from the socket 5.
- the nozzle 5 is tubular and closed gas-tight by a partition 7 near its free end.
- the free end of the connector 5 has an internal toothing 8 which is pre-tensioned for final assembly in the motor vehicle by a cross screw 9 against a correspondingly designed external toothing of a steering column, not shown.
- a gas generator 10 is arranged in the nozzle 5 near the airbag 6.
- the gas generator 10 is designed in two stages so that it can be used to set an intended opening behavior of the airbag 6, for example by the severity of a crash of the motor vehicle or the weight of a person.
- the steering wheel can be inexpensively preassembled with the airbag 6 or with electronic devices, not shown.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98942593A EP0999969A1 (de) | 1997-07-28 | 1998-07-22 | Zur befestigung an einer in einem kraftfahrzeug gelagerten lenksäule vorgesehenes lenkrad |
KR1020007000956A KR20010022377A (ko) | 1997-07-28 | 1998-07-22 | 자동차에 지지된 스티어링 칼럼에 고정되도록 구성된스티어링 휠 |
BR9810819-0A BR9810819A (pt) | 1997-07-28 | 1998-07-22 | Volante previsto para fixação numa coluna da direção instalada num veìculo |
JP2000504032A JP2001510762A (ja) | 1997-07-28 | 1998-07-22 | 自動車内に支承されているステアリングコラムに固定されるステアリングホイール |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997132345 DE19732345A1 (de) | 1997-07-28 | 1997-07-28 | Zur Befestigung an einer in einem Kraftfahrzeug gelagerten Lenksäule vorgesehenes Lenkrad |
DE19732345.6 | 1997-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999005017A1 true WO1999005017A1 (de) | 1999-02-04 |
Family
ID=7837073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/004593 WO1999005017A1 (de) | 1997-07-28 | 1998-07-22 | Zur befestigung an einer in einem kraftfahrzeug gelagerten lenksäule vorgesehenes lenkrad |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0999969A1 (de) |
JP (1) | JP2001510762A (de) |
KR (1) | KR20010022377A (de) |
BR (1) | BR9810819A (de) |
DE (1) | DE19732345A1 (de) |
WO (1) | WO1999005017A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114537503B (zh) * | 2020-11-25 | 2023-03-14 | 比亚迪股份有限公司 | 方向盘总成及汽车 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07196000A (ja) * | 1993-12-29 | 1995-08-01 | Sensor Technol Kk | エアバッグ付きステアリングホイール及びインフレータ |
EP0685379A1 (de) * | 1994-05-31 | 1995-12-06 | TRW Occupant Restraint Systems GmbH | Befestigungsvorrichtung für ein Fahrzeuglenkrad |
DE4423963A1 (de) * | 1994-07-07 | 1996-01-11 | Trw Repa Gmbh | Fahrzeuglenkrad für die Bestückung mit einem integrierten Gassack-Rückhaltesystem |
DE29604485U1 (de) * | 1996-02-28 | 1997-06-26 | Peter Heinz | Lenkrad-Rohrsäule mit Innen-Rohrgehäuse-System |
-
1997
- 1997-07-28 DE DE1997132345 patent/DE19732345A1/de not_active Withdrawn
-
1998
- 1998-07-22 BR BR9810819-0A patent/BR9810819A/pt not_active Application Discontinuation
- 1998-07-22 JP JP2000504032A patent/JP2001510762A/ja active Pending
- 1998-07-22 EP EP98942593A patent/EP0999969A1/de not_active Withdrawn
- 1998-07-22 KR KR1020007000956A patent/KR20010022377A/ko not_active Application Discontinuation
- 1998-07-22 WO PCT/EP1998/004593 patent/WO1999005017A1/de not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07196000A (ja) * | 1993-12-29 | 1995-08-01 | Sensor Technol Kk | エアバッグ付きステアリングホイール及びインフレータ |
EP0685379A1 (de) * | 1994-05-31 | 1995-12-06 | TRW Occupant Restraint Systems GmbH | Befestigungsvorrichtung für ein Fahrzeuglenkrad |
DE4423963A1 (de) * | 1994-07-07 | 1996-01-11 | Trw Repa Gmbh | Fahrzeuglenkrad für die Bestückung mit einem integrierten Gassack-Rückhaltesystem |
DE29604485U1 (de) * | 1996-02-28 | 1997-06-26 | Peter Heinz | Lenkrad-Rohrsäule mit Innen-Rohrgehäuse-System |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 095, no. 011 26 December 1995 (1995-12-26) * |
Also Published As
Publication number | Publication date |
---|---|
KR20010022377A (ko) | 2001-03-15 |
JP2001510762A (ja) | 2001-08-07 |
DE19732345A1 (de) | 1999-02-04 |
BR9810819A (pt) | 2000-07-25 |
EP0999969A1 (de) | 2000-05-17 |
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