WO2013011981A1 - ステアリングホイールユニット - Google Patents
ステアリングホイールユニット Download PDFInfo
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- WO2013011981A1 WO2013011981A1 PCT/JP2012/068092 JP2012068092W WO2013011981A1 WO 2013011981 A1 WO2013011981 A1 WO 2013011981A1 JP 2012068092 W JP2012068092 W JP 2012068092W WO 2013011981 A1 WO2013011981 A1 WO 2013011981A1
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- WIPO (PCT)
- Prior art keywords
- steering wheel
- housing
- hook
- ring
- boss
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- 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 present invention relates to a steering wheel unit including a steering wheel and an airbag module attached near the center of the steering wheel.
- airbags There are various types of airbags depending on the installation location and application.
- a general front airbag for a driver's seat is installed near the center of the steering wheel.
- the front airbag is folded in a small size in a housing that accommodates the front airbag, and is further covered with a cover.
- Most front airbags configured as described above are separate from the steering wheel as an airbag module.
- the airbag device (airbag module) of Patent Document 1 is separate from the steering wheel.
- a spring steel called a mounting flange is attached to the back surface of the case (housing) of the airbag module, and the steering wheel is provided with a hook (hook) for hooking on the spring steel. ing.
- the spring steel can be bent, and the airbag module disclosed in Patent Document 1 can be easily attached to or removed from the steering wheel by using the spring steel and the hook portion.
- the hook portion protrudes toward the airbag module.
- the air bag module may be subjected to a sudden load from the occupant. Then, the airbag module is abruptly pressed against the steering wheel. In this case, it is known that a load is also applied to the hook portion that supports the airbag module below, and stress concentration occurs in the hook portion.
- an object of the present invention is to provide a steering wheel unit capable of improving durability of a hook portion inserted into an airbag module.
- a typical configuration of a steering wheel unit includes a steering wheel having a metal core, an airbag module attached near the center of the steering wheel, a metal core, and a steering wheel.
- the hook part is easy to bend because the notch part is provided at the base.
- the base of the hook portion is less rigid, but the breaking strength is improved.
- the hook portion bends even when it receives a load from the airbag module and absorbs the load, thereby greatly reducing the risk of breakage. In this way, according to the above configuration, the durability of the hook portion can be improved.
- the above-mentioned notch part is good to be formed in the root on the side where the tensile stress is applied in the hook part. That is, the hook portion is preferably formed at the base opposite to the side bent forward and bent, and the hook portion can be efficiently bent by this configuration.
- the steering wheel unit may further include a narrow bridge region that is passed to the core metal, and the hook portion may be provided in the bridge region.
- a narrow bridge region is often formed in a region of the cored bar that becomes a boss portion and a spoke portion of a steering wheel. Such a bridge region is easy to bend even in the cored bar. Therefore, the load can be more easily absorbed by providing the hook portion in the bridge region.
- the hook portion has a trunk portion that faces the airbag module and a barb portion that protrudes in the width direction of the trunk portion near the tip of the trunk portion, and the barb portion protrudes in an arc from the trunk portion. Good. With this configuration, stress concentration is less likely to occur even on the lower side of the barb portion, so that breakage of the hook portion can be prevented more efficiently.
- a steering wheel unit includes a steering wheel of a vehicle having a mandrel, and an airbag module attached near the center of the steering wheel.
- the steering wheel unit wherein the core includes a circular ring part, a boss part provided at the center of the ring part, and a plurality of spoke parts connecting the boss part and the ring part, and the airbag module is
- the housing has an air bag housing, and the housing is mounted on the boss portion.
- the boss portion has a thin hole provided in the vicinity of the spoke portion and a narrow width left on the ring portion side of the thin hole.
- a bridge region a hook portion standing at a predetermined position on the edge of the bridge region on the side of the hollow hole, and inserted into the housing;
- a hook portion having a protruding portion provided along the edge of the protruding portion and projecting so as to be thicker than the periphery, and a notched portion formed by cutting out a part of the protruding portion.
- the side surface on the part side is inclined to face the housing, and the notch part is formed at a position on the ring part side of the hook part.
- the hook portion is easily bent by providing the notch portion. This deflection allows the hook portion to absorb the load, and can greatly reduce the risk of breakage.
- a steering wheel unit includes a steering wheel of a vehicle having a mandrel, and an airbag module attached near the center of the steering wheel.
- the steering wheel unit wherein the core includes a circular ring part, a boss part provided at the center of the ring part, and a plurality of spoke parts connecting the boss part and the ring part, and the airbag module is
- the housing has an air bag housing, and the housing is mounted on the boss portion.
- the boss portion has a thin hole provided in the vicinity of the spoke portion and a narrow width left on the ring portion side of the thin hole.
- a ring portion side surface of the hook portion is inclined to face the housing, and the notch portion is formed at a position on the ring portion side of the hook portion.
- the hook portion is easily bent by providing the notch portion. This deflection allows the hook portion to absorb the load, and can greatly reduce the risk of breakage.
- a steering wheel unit includes a steering wheel of a vehicle having a mandrel, and an airbag module attached near the center of the steering wheel.
- the steering wheel unit wherein the core includes a circular ring part, a boss part provided at the center of the ring part, and a plurality of spoke parts connecting the boss part and the ring part, and the airbag module is
- the housing has an air bag housing, and the housing is mounted on the boss portion.
- the boss portion has a thin hole provided in the vicinity of the spoke portion and a narrow width left on the ring portion side of the thin hole.
- a bridge region, a hook portion standing at a predetermined position on the edge of the bridge region on the side of the hole, and a bridge region Has a notch having a thickness thinner than the surrounding by cutting a part of the grayed portion of the edge, and have facing the housing ring portion of the side surface of the hook portion is inclined,
- a steering wheel unit characterized in that the notch is formed at a position on the ring part side of the hook part.
- the hook portion is easily bent by providing the notch portion. This deflection allows the hook portion to absorb the load, and can greatly reduce the risk of breakage.
- a steering wheel unit includes a steering wheel of a vehicle having a mandrel, and an airbag module attached near the center of the steering wheel.
- the steering wheel unit wherein the core includes a circular ring part, a boss part provided at the center of the ring part, and a plurality of spoke parts connecting the boss part and the ring part, and the airbag module is
- the housing has an air bag housing, and the housing is mounted on the boss portion.
- the boss portion has a thin hole provided in the vicinity of the spoke portion and a narrow width left on the ring portion side of the thin hole.
- a hook portion that is placed at a predetermined position on an edge of the bridge region on the side of the hollow hole and is inserted into the housing.
- the side surface of the ring portion side of the ring portion is inclined to face the housing, and the spoke portion is thicker than the boss portion, and is connected to at least a part of the edge on the ring portion side of the bridge region. Further has a groove formed along the boundary between the hook part and the spoke part, wherein the groove part is thinner than the spoke part.
- the hook portion is easily bent by providing the notch portion. This deflection allows the hook portion to absorb the load, and can greatly reduce the risk of breakage.
- FIG.1 It is a figure which illustrates the steering wheel unit concerning the embodiment of the present invention. It is a figure which illustrates the outline
- FIG. 1 is a diagram illustrating a steering wheel unit according to an embodiment of the present invention.
- FIG. 1A is an overall view of a steering wheel unit (hereinafter referred to as a unit 100). As illustrated in FIG. 1A, the unit 100 includes a steering wheel 102 and an airbag module 104 attached near the center of the steering wheel 102.
- FIG. 1B is a diagram illustrating a state where the airbag module 104 is removed from the steering wheel 102 of FIG.
- the air bag module 104 has a structure that can be removed separately from the steering wheel 102, so that the unit 100 is improved in work efficiency and easy in the manufacturing process. Maintenance is possible.
- FIG. 2 is a diagram illustrating an outline of the airbag module 104 in FIG.
- FIG. 2A illustrates the back side (the steering wheel 102 side) of the airbag module 104 in FIG.
- the airbag module 104 includes a flat box-shaped housing 106 that houses an airbag (not shown) and a cover 107 that closes the housing 106.
- the housing 106 and the cover 107 are made of synthetic resin.
- a hole 108 is provided at substantially the center of the back side of the housing 106, and the inflator 110 as a gas generator is exposed from the hole 108.
- the housing 106 is provided with terminals 112a and 112b.
- the terminals 112a and 112b are configured for the airbag module 104 to function as a horn switch.
- the airbag module 104 is provided with an attachment portion 116 for attaching a coil spring 114 (see FIG. 4).
- the airbag module 104 is attached to the steering wheel 102 (see FIG. 4) with the coil spring 114 interposed therebetween. When the passenger pushes the airbag module 104, the coil spring 114 is compressed and the terminals 112a and 112b are connected to the steering wheel 102. It is the structure which contacts the terminal (not shown) of the side.
- a spring 118 configured by bending the spring steel in a large U shape along the edge of the housing 106 is installed.
- the spring 118 is a member that prevents the airbag module 104 from falling off the steering wheel 102.
- the spring 118 is configured to be hooked on the hook portions 134a and 134b (FIG. 3B) of the steering wheel 102 when the airbag module 104 is about to move in the direction of dropping.
- the housing 106 is provided with surrounding portions 120a and 120b, and the hook portions 134a and 134b illustrated in FIG. 3B are in a space surrounded by the housing 106 and the surrounding portions 120a and 120b. Each is inserted toward the spring 118.
- FIG. 2B is a perspective view illustrating the surrounding portion 120a of FIG.
- the surrounding portion 120 a is provided in a dome shape on the side wall 122 of the housing 106.
- the surrounding portion 120a covers the connecting portion so as to protect the connecting portion between the hook portion 134a (see FIG. 3B) and the spring 118.
- FIG. 3 is a diagram illustrating the basic structure of the steering wheel 102 of FIG.
- FIG. 3A is an overall view of a cored bar 102a which is a basic structure of the steering wheel 102 (see FIG. 1B).
- the cored bar 102a illustrated in FIG. 3A is made of metal.
- a boss portion 126 is provided on the center side of the cored bar 102a, and the boss portion 126 is provided with a shaft hole 128 connected to a steering shaft (not shown).
- Spoke portions 130a to 130c are connected to the boss portion 126.
- the circular ring part 125 is a part that the occupant grips during driving.
- the boss portion 126 described above is provided at the center of the ring portion 125.
- the ring portion 125 and the boss portion 126 are connected by a plurality of spoke portions 130a to 130c.
- the above-described airbag module 104 (see FIG. 2A) is attached so that the housing 106 is positioned on the boss 126.
- a narrow bridge region (for example, bridge regions 132a and 132b) is passed to the boss portion 126 and the spoke portions 130a to 130c.
- the bridge regions 132a and 132b are used as a base portion for supporting the airbag module 104 (FIG. 2A), and the bridge regions 132a and 132 are inserted into the airbag module 104.
- the hook portions 134a and 134b to be inserted are respectively provided.
- FIG. 3B is an enlarged perspective view illustrating the hook portion 134a of FIG.
- the hook portion 134a includes a trunk portion 136 that rises from the bridge region 132a, and a barb portion 138 that protrudes toward the center side of the core metal 102a near the tip of the trunk portion 136. is doing.
- the notch 140 is formed at the root of the hook 134a.
- the notch 140 is provided in order to make the thickness of the bridge region 132a thinner than the surroundings, and has an effect of making the hook portion 134a bend easily.
- FIG. 4 is a cross-sectional view taken along the line AA in FIG.
- the AA cross section is a cross section at the position of the surrounding portion 120a in FIG.
- the hook portion 134a protrudes toward the airbag module 104, and the airbag module 104 attaches the surrounding portion 120a to the steering wheel 102 in accordance with the position of the hook portion 134a.
- the spring 118 bends and passes through the barbed portion 138 of the hook portion 134a, and is positioned at an appropriate position below the barbed portion 138. Is set. In this way, the airbag module 104 is fixed to the steering wheel 102.
- the spring 118 and the hook portion 134a are not in contact with each other, and they are in contact with each other when the airbag module 104 is about to move in the direction of dropping from the steering wheel 102.
- the air bag module 104 may be subjected to a sudden load from an occupant in an emergency. Then, the airbag module 104 is strongly pressed against the steering wheel 102. In that case, stress concentration may arise in the hook part 134a because the surrounding part 120a interferes with the lower hook part 134a, for example.
- the unit 100 is provided with a notch 140 at the base of the hook 134a. In the unit 100, the base of the hook part 134a is reduced by a thickness T1 with respect to the surrounding bridge region 132a by the notch part 140.
- FIG. 5 is a diagram illustrating the operation of the notch 140 in FIG.
- FIG. 5A is a diagram illustrating a steering wheel unit according to this embodiment
- FIG. 5B is a diagram illustrating a steering wheel unit (unit 10) as a comparative example.
- a stress concentration E1 may occur particularly at the root corner of the hook portion 12.
- the load transmitted through the hook portion 12 may cause stress concentration on the steering wheel 16 at other locations other than the hook portion 12.
- a notch portion 140 is provided at the root of the hook portion 134a.
- the right side contour of the hook portion 134a in FIG. 5A that is, the side surface on the side where the barb 138 is not provided is extended downward.
- the bridge region 132a is notched, thereby forming the notch 140.
- the hook portion 134a is easily bent near the root by the cutout portion 140, and the load can be absorbed by the deflection.
- the notch 140 is provided on the side of the hook portion 134a where the tensile stress is applied, that is, the side in contact with the surrounding portion 120a and the side opposite to the side where the hook portion 134a bends and bends forward.
- the hook portion 134a can be more easily bent.
- the breaking strength is improved, so that the durability against the load is improved.
- the bridge regions 132a and 132b provided with the hook portions 134a and 134b illustrated in FIG. 3A are narrow and easy to bend in the core metal 102a. Therefore, in the unit 100, since the hook portions 134a and 134b are provided in the bridge regions 132a and 132b, the hook portions 134a and 134b can be bent so as to be twisted together with the bridge regions 132a and 132b, and the load can be absorbed more efficiently. It is possible to do.
- the barb portion 138 of the unit 100 protrudes in an arc from the trunk 136 on the lower side. With this configuration, stress concentration is less likely to occur even on the lower side of the barb 138, so that the durability of the hooks 134a and 134b can be further improved.
- the unit 100 can not only prevent the hooks 134a and 134b from being damaged, but can also prevent damage to other parts of the steering wheel 102 by absorbing the load through the hooks 134a and 134b. It is possible.
- FIG. 6 shows a first modification of the cored bar 102a illustrated in FIG.
- the configuration of the core metal 200 will be described.
- a lightening hole 202 is provided in the vicinity of the spoke portion 130c.
- region which remained on the ring part 125 side is the bridge
- the hook part 134a is erected at a predetermined position of the edge 204 on the side of the meat removal hole 202 of the bridge region 132a.
- the side surface 135 of the hook portion 134a on the ring portion 125 side is inclined to the side wall 202 side and faces the edge of the surrounding portion 120a. Yes. Therefore, the surrounding portion 120a can easily come into contact with the side surface 135 of the hook portion 134a, which may cause stress concentration (tensile stress) at the base of the hook portion 134a on the ring portion 125 side.
- a protruding edge portion 208 is provided along the edge 206 on the ring portion 125 side of the bridge region 132a.
- the protruding portion 208 is thicker than the surrounding and protrudes upward.
- a part of the projecting edge portion 208 located on the ring portion 125 side of the hook portion 134a is notched, and a notch portion 210 is formed.
- the notch 210 is thinner than the portion where the peripheral edge 208 is present.
- the hook portion 134a is easily bent by providing the notch portion 210. By this deflection, the hook part 134a can absorb the load transmitted from the airbag module 104 (see FIG. 5A), so that the risk of breakage can be greatly reduced.
- FIG. 7 shows a second modification of the cored bar 102a.
- the notch 302 is formed deeper than the notch 210 in FIG.
- the cutout 302 is cut out not only to a part of the protruding edge 208 but also to a region below it.
- the hook 134a is more easily bent. Therefore, the hook part 134a can absorb more load from the airbag module 104 (see FIG. 5A), and the risk of breakage can be greatly reduced.
- FIG. 8 shows a third modification of the cored bar 102a.
- the configuration of the bridge region 402 is slightly thicker and does not have the projecting edge portion 208, unlike the bridge region 132a of FIG.
- the hook portion 404 has a slightly wider shape, but is inclined toward the lightening hole 202 as in the hook portion 134a (see FIG. 5A).
- the core metal 400 also has a notch 406. In the notch 406, a part of the edge 408 on the ring portion 125 side of the bridge region 402 is notched, so that the thickness is thinner than the surrounding portion on the bridge region 402. Also in this configuration, the hook portion 404 is easily bent by providing the notch portion 406. By this deflection, the hook portion 404 can absorb the load from the airbag module 104 (see FIG. 5A), and the risk of breakage can be greatly reduced.
- FIG. 9 shows a fourth modification of the cored bar 102a.
- the spoke part 502 is thicker than the boss part 126.
- the spoke part 502 is connected to at least a part of the edge 506 on the ring part 125 side of the bridge region 504.
- a hook portion 404 is erected at a predetermined position of the edge 506 on the side of the lightening hole 202.
- a groove portion 508 is formed along the boundary between the hook portion 404 and the spoke portion 502.
- the groove portion 508 is thinner than the spoke portion 502.
- the hook portion 404 is also easily bent by the groove portion 508. By this deflection, the hook portion 404 can absorb the load from the airbag module 104 (see FIG. 5A), and the risk of breakage can be greatly reduced.
- the present invention can be used in a steering wheel unit including a steering wheel and an airbag module attached near the center of the steering wheel.
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Abstract
Description
切欠部はフック部のリング部側の位置に形成されていることを特徴とするステアリングホイールユニット。
以下では、上述した芯金102aの変形例を説明する。図6は、図3(b)に例示した芯金102aの変形例1である。芯金200の構成を説明する。まず、芯金200のボス部126のうち、スポーク部130cの近傍には肉抜孔202が設けられている。そして、この肉抜孔202を設けた後、そのリング部125側(図3(a)参照))に残った幅の細い領域がブリッジ領域132aである。
図7は、芯金102aの変形例2である。芯金300では、切欠部302が、図6の切欠部210よりも深く形成されている。切欠部302は、突縁部208の一部だけでなく、その下方の領域までも切り欠かれている。このように、切欠部302ではブリッジ領域132a上におけるその周囲の個所に比べて厚みがさらに薄くなっているため、フック部134aはよりたわみやすくなる。したがって、フック部134aはエアバッグモジュール104(図5(a)参照)からの荷重をより吸収することができ、破損のおそれを大幅に減らすことが可能になる。
図8は、芯金102aの変形例3である。芯金400では、ブリッジ領域402の構成が、図6のブリッジ領域132a等と異なり、やや肉厚であって、突縁部208を有していない。フック部404はやや幅広な形状となっているが、フック部134a(図5(a)参照)と同じく、肉抜孔202側に傾斜している。この芯金400もまた、切欠部406を有している。切欠部406では、ブリッジ領域402のリング部125側の縁408の一部を切り欠くことで、ブリッジ領域402上における周囲の箇所よりも厚みが薄くなっている。この構成においても、切欠部406を設けたことでフック部404がたわみやすくなっている。このたわみによって、フック部404はエアバッグモジュール104(図5(a)参照)からの荷重を吸収することが可能になり、破損のおそれを大幅に減らすことができる。
図9は、芯金102aの変形例4である。芯金500では、スポーク部502がボス部126よりも肉厚である。このスポーク部502は、ブリッジ領域504のリング部125側の縁506の少なくとも一部とつながっている。ブリッジ領域504には、肉抜孔202側の縁506の所定位置にフック部404が立てられている。そして、フック部404とスポーク部502との境界に沿うよう、溝部508が形成されている。溝部508では、その厚みがスポーク部502よりも薄くなっている。この溝部508によっても、フック部404はたわみやすくなる。このたわみによって、フック部404はエアバッグモジュール104(図5(a)参照)からの荷重を吸収することが可能になり、破損のおそれを大幅に減らすことができる。
Claims (8)
- 芯金を有するステアリングホイールと、
前記ステアリングホイールの中央付近に取り付けられるエアバッグモジュールと、
前記芯金に設けられ、前記ステアリングホイールの内側に差し渡され前記エアバッグモジュールを支持する土台部と、
前記土台部から突出し前記エアバッグモジュールに挿し込まれるフック部と、
前記フック部の根本において前記土台部の肉厚が周囲より薄くなるよう切り欠かれた切欠部と、を備えることを特徴とするステアリングホイールユニット。 - 前記切欠部は、前記フック部における引張応力がかかる側の根本に形成されることを特徴とする請求項1に記載のステアリングホイールユニット。
- 前記芯金に差し渡される幅細なブリッジ領域をさらに備え、
前記フック部は前記ブリッジ領域に設けられていることを特徴とする請求項1または2に記載のステアリングホイールユニット。 - 前記フック部は、前記エアバッグモジュールへ向かって立つ幹部と、該幹部の先端近傍で該幹部の幅方向へ突出したかえし部とを有し、
前記かえし部は下側が前記幹部から弧を描いて突出していることを特徴とする請求項1から3のいずれか1項に記載のステアリングホイールユニット。 - 芯金を有する車両のステアリングホイールと、
前記ステアリングホイールの中央付近に取り付けられるエアバッグモジュールと、を含んだステアリングホイールユニットであって、
前記芯金は、円形のリング部と、該リング部の中央に設けられるボス部と、該ボス部とリング部とをつなぐ複数のスポーク部と、を含み、
前記エアバッグモジュールは、エアバッグを収容するハウジングを有し、該ハウジングが前記ボス部上に取り付けられていて、
前記ボス部は、前記スポーク部の近傍に設けられた肉抜孔と、該肉抜孔の前記リング部側に残された幅の細いブリッジ領域と、該ブリッジ領域の肉抜孔側の縁の所定位置に立てられ前記ハウジングに挿し込まれるフック部と、該ブリッジ領域のリング部側の縁に沿って設けられ周囲よりも肉厚になるよう突出した突縁部と、該突縁部の一部を切り欠いて形成された切欠部と、を有し、
前記フック部のリング部側の側面が傾斜して前記ハウジングに対面していて、
前記切欠部は前記フック部の前記リング部側の位置に形成されていることを特徴とするステアリングホイールユニット。 - 芯金を有する車両のステアリングホイールと、
前記ステアリングホイールの中央付近に取り付けられるエアバッグモジュールと、を含んだステアリングホイールユニットであって、
前記芯金は、円形のリング部と、該リング部の中央に設けられるボス部と、該ボス部とリング部とをつなぐ複数のスポーク部と、を含み、
前記エアバッグモジュールは、エアバッグを収容するハウジングを有し、該ハウジングが前記ボス部上に取り付けられていて、
前記ボス部は、前記スポーク部の近傍に設けられた肉抜孔と、該肉抜孔の前記リング部側に残された幅の細いブリッジ領域と、該ブリッジ領域の前記肉抜孔側の縁の所定位置に立てられ前記ハウジングに挿し込まれるフック部と、該ブリッジ領域の前記リング部側の縁に沿って設けられ周囲よりも肉厚になるよう突出した突縁部と、該突縁部の一部とその下方の領域を切り欠くことで周囲よりも厚みが薄くなった切欠部と、を有し、
前記フック部のリング部側の側面が傾斜して前記ハウジングに対面していて、
前記切欠部は前記フック部の前記リング部側の位置に形成されていることを特徴とするステアリングホイールユニット。 - 芯金を有する車両のステアリングホイールと、
前記ステアリングホイールの中央付近に取り付けられるエアバッグモジュールと、を含んだステアリングホイールユニットであって、
前記芯金は、円形のリング部と、該リング部の中央に設けられるボス部と、該ボス部とリング部とをつなぐ複数のスポーク部と、を含み、
前記エアバッグモジュールは、エアバッグを収容するハウジングを有し、該ハウジングが前記ボス部上に取り付けられていて、
前記ボス部は、前記スポーク部の近傍に設けられた肉抜孔と、該肉抜孔の前記リング部側に残された幅の細いブリッジ領域と、該ブリッジ領域の前記肉抜孔側の縁の所定位置に立てられ前記ハウジングに挿し込まれるフック部と、該ブリッジ領域の前記リング部側の縁の一部を切り欠くことで周囲よりも厚みが薄くなった切欠部と、を有し、
前記フック部のリング部側の側面が傾斜して前記ハウジングに対面していて、
前記切欠部は前記フック部の前記リング部側の位置に形成されていることを特徴とするステアリングホイールユニット。 - 芯金を有する車両のステアリングホイールと、
前記ステアリングホイールの中央付近に取り付けられるエアバッグモジュールと、を含んだステアリングホイールユニットであって、
前記芯金は、円形のリング部と、該リング部の中央に設けられるボス部と、該ボス部とリング部とをつなぐ複数のスポーク部と、を含み、
前記エアバッグモジュールは、エアバッグを収容するハウジングを有し、該ハウジングが前記ボス部上に取り付けられていて、
前記ボス部は、前記スポーク部の近傍に設けられた肉抜孔と、該肉抜孔の前記リング部側に残された幅の細いブリッジ領域と、該ブリッジ領域の前記肉抜孔側の縁の所定位置に立てられ前記ハウジングに挿し込まれるフック部と、を有し、
前記フック部のリング部側の側面が傾斜して前記ハウジングに対面していて、
前記スポーク部は、前記ボス部よりも肉厚であって、前記ブリッジ領域の前記リング部側の縁の少なくとも一部とつながっていて、
前記ボス部は前記フック部と前記スポーク部との境界に沿って形成された溝部をさらに有し、該溝部では厚みが該スポーク部よりも薄くなっていることを特徴とするステアリングホイールユニット。
Priority Applications (2)
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JP2013524723A JP5604005B2 (ja) | 2011-07-20 | 2012-07-17 | ステアリングホイールユニット |
CN201280027307.XA CN103596814B (zh) | 2011-07-20 | 2012-07-17 | 方向盘装置 |
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JP2011-159185 | 2011-07-20 | ||
JP2011159185 | 2011-07-20 |
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JP (1) | JP5604005B2 (ja) |
CN (1) | CN103596814B (ja) |
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Cited By (2)
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CN104139754A (zh) * | 2013-05-07 | 2014-11-12 | 日本富拉司特株式会社 | 方向盘 |
GB2540254A (en) * | 2014-03-18 | 2017-01-11 | Nihon Plast Co Ltd | Steering wheel |
Families Citing this family (1)
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CN108501855A (zh) * | 2017-02-24 | 2018-09-07 | 全兴创新科技股份有限公司 | 方向盘及其安全气囊模块的定位结构 |
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JP2003501307A (ja) * | 1999-06-04 | 2003-01-14 | タカタ・ペトリ アーゲー | ステアリングホイール |
JP2007145112A (ja) * | 2005-11-25 | 2007-06-14 | Toyoda Gosei Co Ltd | エアバッグ装置を備えたステアリングホイール |
JP2009518233A (ja) * | 2005-12-08 | 2009-05-07 | オートリブ ディベロップメント エービー | エアバッグモジュールを取り付けるための取り付け構造 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104139754A (zh) * | 2013-05-07 | 2014-11-12 | 日本富拉司特株式会社 | 方向盘 |
JP2014237425A (ja) * | 2013-05-07 | 2014-12-18 | 日本プラスト株式会社 | ステアリングホイール |
GB2516724A (en) * | 2013-05-07 | 2015-02-04 | Nihon Plast Co Ltd | Steering wheel |
GB2516724B (en) * | 2013-05-07 | 2016-01-06 | Nihon Plast Co Ltd | Steering wheel |
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GB2540254B (en) * | 2014-03-18 | 2018-02-28 | Nihon Plast Co Ltd | Steering wheel |
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CN103596814A (zh) | 2014-02-19 |
JPWO2013011981A1 (ja) | 2015-02-23 |
JP5604005B2 (ja) | 2014-10-08 |
CN103596814B (zh) | 2016-04-06 |
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