JPH08225051A - Steering wheel equipped with air bag device - Google Patents
Steering wheel equipped with air bag deviceInfo
- Publication number
- JPH08225051A JPH08225051A JP7032608A JP3260895A JPH08225051A JP H08225051 A JPH08225051 A JP H08225051A JP 7032608 A JP7032608 A JP 7032608A JP 3260895 A JP3260895 A JP 3260895A JP H08225051 A JPH08225051 A JP H08225051A
- Authority
- JP
- Japan
- Prior art keywords
- steering wheel
- bottom wall
- bag holder
- contact plate
- movable contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Steering Controls (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、エアバッグ装置を備
えた車両用のステアリングホイールに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle steering wheel equipped with an airbag device.
【０００２】[0002]
【従来の技術】従来、エアバッグ装置を備えたステアリ
ングホイールでは、エアバッグ装置のステアリングホイ
ール本体側への取付構造は、特開平６−１９１４１３号
公報等で知られているように、エアバッグを保持するバ
ッグホルダが、ステアリングホイール本体側に配設され
たホーンスイッチ機構の上下動可能な可動コンタクトプ
レートに取り付けられる構造であった。2. Description of the Related Art Conventionally, in a steering wheel provided with an air bag device, the mounting structure of the air bag device on the side of the steering wheel main body is such that an air bag is used as disclosed in Japanese Patent Laid-Open No. 6-191413. The bag holder to be held has a structure in which it is attached to the movable contact plate of the horn switch mechanism arranged on the steering wheel body side, which is vertically movable.
【０００３】さらに具体的に述べると、底壁と側壁とを
備えたバッグホルダが、その底壁を可動コンタクトプレ
ートに支持させるとともに、側壁に可動コンタクトプレ
ートから挿入されるボルトを螺合させて、取り付けられ
ていた。More specifically, a bag holder having a bottom wall and a side wall supports the bottom wall on a movable contact plate, and a side wall is screwed with a bolt inserted from the movable contact plate. It was installed.
【０００４】[0004]
【発明が解決しようとする課題】しかし、従来の取付構
造では、バッグホルダの底壁が可動コンタクトプレート
に当接して支持されており、バッグホルダと可動コンタ
クトプレートとが共に金属製であったため、車両の振動
等で、バッグホルダ底壁と可動コンタクトプレートとの
当接部位で、ビビリ音等の異音が発生する場合があっ
た。However, in the conventional mounting structure, the bottom wall of the bag holder abuts against and is supported by the movable contact plate, and both the bag holder and the movable contact plate are made of metal. Due to vibration of the vehicle or the like, an abnormal noise such as a rattling noise may be generated at the contact portion between the bottom wall of the bag holder and the movable contact plate.
【０００５】この場合、バッグホルダの底壁側にフェル
ト等の緩衝材を貼着し、バッグホルダ底壁と可動コンタ
クトプレートとの間に発生する異音を防止することが提
案された。In this case, it has been proposed to attach a cushioning material such as felt to the bottom wall side of the bag holder to prevent abnormal noise generated between the bottom wall of the bag holder and the movable contact plate.
【０００６】しかしながら、このように、バッグホルダ
に別途フェルト等の緩衝材を固着させては、エアバッグ
装置の組立工数や部品点数を増大させて、エアバッグ装
置のみならず、ステアリングホイールの製造工数・製造
コストを増大させることとなってしまう。However, if a cushioning material such as felt is separately fixed to the bag holder as described above, the number of assembly steps and the number of parts of the airbag apparatus are increased, and the number of manufacturing steps of the steering wheel as well as the airbag apparatus is increased. -It will increase the manufacturing cost.
【０００７】この発明は、上述の課題を解決するもので
あり、エアバッグ装置の組立工数や部品点数を増大させ
ることなく、バッグホルダ底壁の可動コンタクトプレー
トによる支持部位から発生する異音を低減させることが
でき、ステアリングホイールの製造工数・製造コストの
増大を抑えることができるエアバッグ装置を備えたステ
アリングホイールを提供することを目的とする。The present invention solves the above-mentioned problems, and reduces abnormal noise generated from a portion supported by the movable contact plate on the bottom wall of the bag holder without increasing the number of assembly steps and the number of parts of the airbag apparatus. It is an object of the present invention to provide a steering wheel including an airbag device that can be manufactured and can suppress an increase in the number of manufacturing steps and manufacturing cost of the steering wheel.
【０００８】[0008]
【課題を解決するための手段】この発明に係るステアリ
ングホイールは、エアバッグ装置における底壁と側壁と
を備えたバッグホルダが、ステアリングホイール本体側
に配設されたホーンスイッチ機構の上下動可能な可動コ
ンタクトプレートに対し、前記底壁を支持されつつ、前
記可動コンタクトプレートから前記側壁へ螺合されるボ
ルトによって連結されて、前記エアバッグ装置が前記ス
テアリングホイール本体に取り付けられ、前記バッグホ
ルダにおける前記ボルトの螺合部位の内周面側に、前記
ボルトの螺合部位を覆う合成樹脂製のカバー部材が配設
されているエアバッグ装置を備えたステアリングホイー
ルであって、前記バッグホルダの底壁における前記可動
コンタクトプレートによる支持部位に、周囲を切り欠い
て上方へ変位した支持壁が形成され、該支持壁下面に、
前記カバー部材から延設されて前記可動コンタクトプレ
ートと当接する支持部が配設されていることを特徴とす
る。In a steering wheel according to the present invention, a bag holder having a bottom wall and a side wall in an airbag device is capable of vertically moving a horn switch mechanism arranged on the steering wheel body side. While supporting the bottom wall with respect to the movable contact plate, the airbag device is attached to the steering wheel body by being connected by a bolt screwed from the movable contact plate to the side wall, and in the bag holder. A steering wheel equipped with an airbag device in which a cover member made of synthetic resin for covering the screwed portion of the bolt is disposed on the inner peripheral surface side of the screwed portion of the bolt, the bottom wall of the bag holder. In the supporting portion by the movable contact plate in, the periphery is cut out and displaced upward. Jikabe is formed on the support wall lower surface,
A supporting portion is provided which extends from the cover member and contacts the movable contact plate.
【０００９】[0009]
【発明の作用・効果】この発明に係るステアリングホイ
ールでは、バッグホルダの底壁における可動コンタクト
プレートによる支持部位に、可動コンタクトプレートと
当接する合成樹脂製のカバー部材から延びる支持部が配
設されており、従来の金属製相互の接触が防止できるた
め、ビビリ音等の異音を低減することができる。なお、
支持部は、合成樹脂製であるが、上方を支持壁で支持さ
れるため、下面で可動コンタクトプレートと当接する支
持部位に支障を与えるような変形が生じない。In the steering wheel according to the present invention, the support portion extending from the synthetic resin cover member that comes into contact with the movable contact plate is provided at the portion of the bottom wall of the bag holder supported by the movable contact plate. In this case, since the conventional metallic members can be prevented from coming into contact with each other, abnormal noise such as chatter noise can be reduced. In addition,
Although the supporting portion is made of synthetic resin, since the upper portion is supported by the supporting wall, the supporting portion, which is in contact with the movable contact plate on the lower surface, is not deformed so as to hinder the supporting portion.
【００１０】そして、合成樹脂製の支持部は、バッグホ
ルダの内部に配設されて螺合部位を覆う合成樹脂製のカ
バー部材から延設されて構成されていることから、別
途、部品を準備しなくとも良く、部品点数の増大を招く
ことがない。また、支持部の組み付けも、バッグホルダ
底壁の支持壁の周縁における支持壁を変位させた空間か
ら挿入して配置させることができるため、工数がかから
ない。なお、カバー部材は、バッグホルダが保持するエ
アバッグを、螺合部位と干渉しないようにして、保護す
る役目を果すものである。Since the synthetic resin support portion is disposed inside the bag holder and extends from the synthetic resin cover member that covers the screwing portion, a separate component is prepared. It is not necessary to do so, and the number of parts does not increase. In addition, assembling of the support portion can be done by inserting the support wall at the periphery of the support wall of the bottom wall of the bag holder from the space in which the support wall is displaced, so that the number of steps is not required. The cover member plays a role of protecting the airbag held by the bag holder by not interfering with the screwed portion.
【００１１】したがって、この発明に係るステアリング
ホイールでは、エアバッグ装置の組立工数や部品点数を
増大させることなく、バッグホルダ底壁の可動コンタク
トプレートによる支持部位から発生する異音を低減させ
ることができ、ステアリングホイールの製造工数・製造
コストの増大を抑えることができる。Therefore, in the steering wheel according to the present invention, it is possible to reduce the abnormal noise generated from the portion supported by the movable contact plate on the bottom wall of the bag holder without increasing the number of assembly steps and the number of parts of the airbag apparatus. It is possible to suppress an increase in the manufacturing steps and manufacturing cost of the steering wheel.
【００１２】[0012]
【実施例】以下、この発明の一実施例を図面に基づいて
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１３】実施例のステアリングホイールＷは、図１
・２に示すように、円環状のリング部Ｒと、中央のボス
部Ｂと、ボス部Ｂとリング部Ｒとを連結する４本のスポ
ーク部Ｓと、を備え、ボス部Ｂの上部にエアバッグ装置
Ｍが配設されて構成されている。The steering wheel W of the embodiment is shown in FIG.
As shown in 2, a ring-shaped ring portion R, a central boss portion B, and four spoke portions S connecting the boss portion B and the ring portion R are provided, and an upper portion of the boss portion B is provided. An airbag device M is arranged and configured.
【００１４】実施例のエアバッグ装置Ｍは、図２に示す
ように、折り畳まれて収納される袋状のエアバッグ１
と、エアバッグ１に膨張用のガスを供給するインフレー
ター３と、折り畳まれたエアバッグ１を覆うパッド４
と、エアバッグ１・インフレーター３・パッド４を保持
するバッグホルダ５と、から構成されている。As shown in FIG. 2, the airbag apparatus M of the embodiment is a bag-shaped airbag 1 which is folded and stored.
And an inflator 3 that supplies inflation gas to the airbag 1, and a pad 4 that covers the folded airbag 1.
And a bag holder 5 that holds the airbag 1, the inflator 3, and the pad 4.
【００１５】エアバッグ１とインフレーター３とのバッ
グホルダ５への保持構造は、エアバッグ１の内部に配置
された略円環状のリテーナ２が、図示しない下方へ延び
る複数のボルトを備え、これらの図示しないボルトが、
エアバッグ１の開口部１ａ周縁・バッグホルダ５の底壁
６・インフレーター３のフランジ部３ｂを貫通してナッ
ト止めされる構造としている。In the structure for holding the airbag 1 and the inflator 3 to the bag holder 5, a substantially annular retainer 2 arranged inside the airbag 1 is provided with a plurality of downwardly extending bolts (not shown). Bolts not shown
The structure is such that nuts are fixed by penetrating the periphery of the opening 1a of the airbag 1, the bottom wall 6 of the bag holder 5, and the flange 3b of the inflator 3.
【００１６】また、パッド４のバッグホルダ５への保持
構造は、パッド４の下方へ延びる金属製とした略四角筒
形状の側板４ａが、バッグホルダ５の左右と前後の側壁
７・８にリベット止めされる構造としている（図２〜４
参照）。Further, in the holding structure of the pad 4 to the bag holder 5, the side plate 4a made of metal and extending in the lower part of the pad 4 in the shape of a substantially rectangular tube is riveted on the left and right side walls 7 and 8 of the bag holder 5. It is designed to be stopped (Figs. 2-4)
reference).
【００１７】バッグホルダ５は、板金製として、図２〜
５に示すように、長方形形状の底壁６と、底壁６の左右
の周縁から斜め上方の外方へ延びる２つの側壁７と、底
壁６の前後の周縁から下方へ延びる２つの側壁８と、を
備えて構成されている。なお、図２・４では、エアバッ
グ装置Ｍ等の各部品の右方側のみを図示しているが、エ
アバッグ装置Ｍ等の各部品は、略左右対称形に形成され
ている。The bag holder 5 is made of sheet metal and is shown in FIGS.
As shown in FIG. 5, a rectangular bottom wall 6, two side walls 7 that extend obliquely upward from the left and right peripheral edges of the bottom wall 6, and two side walls 8 that extend downward from the front and rear peripheral edges of the bottom wall 6. And are provided. 2 and 4, only the right side of each component such as the airbag device M is shown, but each component such as the airbag device M is formed substantially symmetrically.
【００１８】底壁６には、中央に、インフレーター３の
本体３ａを下方から挿入させる挿通孔６ａが形成され、
挿通孔６ａの周囲には、リテーナ２の図示しないボルト
を挿通させる複数の挿通孔６ｂが形成されている。ま
た、底壁６の左右両側の前後の縁付近には、切り欠き孔
６ｄを設けて上方へ変位する支持壁６ｃが形成されてい
る。これらの支持壁６ｃの下面には、後述するカバー部
材９の支持部９ｄが、支持壁６ｃの周囲における支持壁
６ｃと切り欠き孔６ｄとの間の空間６ｅから挿入されて
配設されることとなる。さらに、底壁６の各支持壁６ｃ
の左右両側寄りには、カバー部材９の係止脚９ｂを係止
させる２つずつの係止孔６ｆが形成され、左右両側の縁
付近に、カバー部材９の係止脚９ｃを挿通させる２つず
つの挿通孔６ｇが形成されている。An insertion hole 6a for inserting the main body 3a of the inflator 3 from below is formed at the center of the bottom wall 6.
Around the insertion hole 6a, a plurality of insertion holes 6b through which bolts (not shown) of the retainer 2 are inserted are formed. In addition, supporting walls 6c are formed near the front and rear edges on the left and right sides of the bottom wall 6 by forming cutout holes 6d and displacing upward. On a lower surface of these support walls 6c, a support portion 9d of a cover member 9 which will be described later is disposed by being inserted from a space 6e between the support wall 6c and the cutout hole 6d around the support wall 6c. Becomes Furthermore, each support wall 6c of the bottom wall 6
Two locking holes 6f that lock the locking legs 9b of the cover member 9 are formed on the left and right sides of the cover member 9, and the locking legs 9c of the cover member 9 are inserted near the edges on both the left and right sides. Each insertion hole 6g is formed.
【００１９】底壁６の左右に配置される側壁７は、それ
ぞれ、前後方向の中央部位に、貫通孔を形成してナット
７ａを固着させている。これらのナット７ａは、エアバ
ッグ装置Ｍをステアリングホイール本体１１側に取り付
けるためのボルト１０を螺合させる螺合部位となる。さ
らに、各側壁７の前後の端部側では、下方へ屈曲する舌
片部７ｂが形成され、各舌片部７ｂには、パッド４の側
板４ａをリベット止めするための取付孔７ｃが形成され
ている。The side walls 7 arranged on the left and right of the bottom wall 6 respectively have through holes formed at the central portions in the front-rear direction and fixed with nuts 7a. These nuts 7a serve as screwing parts into which the bolts 10 for mounting the airbag device M on the steering wheel body 11 side are screwed. Furthermore, a tongue piece portion 7b that bends downward is formed on the front and rear end sides of each side wall 7, and a mounting hole 7c for riveting the side plate 4a of the pad 4 is formed in each tongue piece portion 7b. ing.
【００２０】底壁６の前後に配置される側壁８には、所
定位置に、パッド４の側壁４ａをリベット止めするため
の複数の取付孔８ａが形成されている。A plurality of mounting holes 8a for riveting the side wall 4a of the pad 4 are formed at predetermined positions in the side wall 8 arranged in front of and behind the bottom wall 6.
【００２１】各側壁７の内周面側に配置されるカバー部
材９は、ポリアミド等の合成樹脂から形成され、側壁７
のナット７ａを覆う板状の本体９ａと、本体９ａの前後
の縁から下方へ延びる２本の係止脚９ｂと、中央部位で
下方へ延びる２本の係止脚９ｃと、既述の前後の縁から
内周面側に延設される支持部９ｄと、を備えて構成され
ている。各係止脚９ｂは、バッグホルダ底壁６の係止孔
６ｆに係止されて、カバー部材９をバッグホルダ６に取
り付ける役目を果す。各係止脚９ｃは、後述する可動コ
ンタクトプレート１６の係止孔１７ｃに係止させ、エア
バッグ装置Ｍをステアリングホイール本体１１側にボル
ト１０止めする前に、エアバッグ装置Ｍをステアリング
ホイール本体１１側に仮止めする役目を果すものであ
る。各支持部９ｄの先端下部には、バッグホルダ底壁６
の切り欠き孔６ｄに嵌合して、底壁６下面と面一となる
嵌合凸部９ｅが形成されている。The cover member 9 arranged on the inner peripheral surface side of each side wall 7 is made of synthetic resin such as polyamide,
Plate-shaped main body 9a that covers the nut 7a of the main body, two locking legs 9b extending downward from the front and rear edges of the main body 9a, two locking legs 9c extending downward at the central portion, and the front and rear sides described above. And a support portion 9d extending from the edge to the inner peripheral surface side. Each locking leg 9b is locked in the locking hole 6f of the bag holder bottom wall 6 and serves to attach the cover member 9 to the bag holder 6. Each locking leg 9c is locked in a locking hole 17c of a movable contact plate 16 which will be described later, and before the airbag apparatus M is bolted to the steering wheel body 11 side by the bolt 10, the airbag apparatus M is locked. It plays the role of temporarily fixing to the side. The bag holder bottom wall 6 is provided at the lower end of each support portion 9d.
A fitting protrusion 9e that is flush with the lower surface of the bottom wall 6 is formed by fitting into the cutout hole 6d.
【００２２】ステアリングホイール本体１１は、図１〜
３・６に示すように、ステアリングホイールＷのエアバ
ッグ装置Ｍ以外の部位を指し、実施例の場合には、リン
グ部Ｒ・ボス部Ｂ・スポーク部Ｓに配置される芯金１２
と、リング部Ｒやスポーク部Ｓの一部に配置されて芯金
１２を被覆する被覆層１３と、芯金１２にねじ止めされ
てボス部Ｂの下部を覆うロアカバー１４と、ホーンスイ
ッチ機構１５と、から構成されている。The steering wheel body 11 is shown in FIGS.
As shown in 3.6, a portion other than the airbag device M of the steering wheel W is pointed out, and in the case of the embodiment, the core metal 12 arranged in the ring portion R, the boss portion B, and the spoke portion S.
A cover layer 13 disposed on a part of the ring portion R or the spoke portion S to cover the cored bar 12, a lower cover 14 screwed to the cored bar 12 to cover the lower part of the boss B, and a horn switch mechanism 15 It consists of and.
【００２３】ホーンスイッチ機構１５は、ステアリング
ホイール本体１１の左右に配置され、それぞれ、ホーン
作動回路の正極側に導通する可動コンタクトプレート１
６と、可動コンタクトプレート１６の下方に配置されて
ホーン作動回路の負極側に導通する固定コンタクトプレ
ート２０と、可動コンタクトプレート１６を固定コンタ
クトプレート２０から離隔させるコイルばね２５と、可
動コンタクトプレート１６の離隔距離を規制する取付ボ
ルト２１と、を備えて構成されている。The horn switch mechanism 15 is arranged on the left and right of the steering wheel body 11, and the movable contact plates 1 are electrically connected to the positive side of the horn operating circuit.
6, the fixed contact plate 20 disposed below the movable contact plate 16 and electrically connected to the negative side of the horn operation circuit, the coil spring 25 for separating the movable contact plate 16 from the fixed contact plate 20, and the movable contact plate 16. And a mounting bolt 21 that regulates a separation distance.
【００２４】なお、左右のホーンスイッチ機構１５は、
各部品が、同一に形成されて、点対称として配置されて
いる。The left and right horn switch mechanisms 15 are
Each part is formed identically and is arranged as point symmetry.
【００２５】可動コンタクトプレート１６は、板金製と
して、前後方向に長く形成された皿状の本体１７と、本
体１７中央の外方側の縁から斜め上方の外方へ延びる取
付板部１８と、から構成されている。The movable contact plate 16 is made of sheet metal, and has a dish-shaped main body 17 elongated in the front-rear direction, and a mounting plate portion 18 that extends obliquely upward from the outer edge of the center of the main body 17. It consists of
【００２６】本体１７には、前後の端部付近に接点１７
ａ・１７ａが形成されるとともに、各接点１７ａの内側
へ順に、２つずつの挿通孔１７ｂ・係止孔１７ｃが形成
されている。各挿通孔１７ｂは、絶縁スペーサ２３・２
４を介在させて取付ボルト２１を挿通させる部位とな
り、係止孔１７ｃは、カバー部材９の係止脚９ｃを係止
させる部位となる。さらに、本体１７の前後の端部付近
には、それぞれ、上方へ突出して水平方向に曲がる支持
片１７ｄが形成されている。これらの支持片１７ｄは、
バッグホルダ５の底壁６を支持する部位となり、支持片
１７ｄの当接する部位が、バッグホルダ底壁６の支持壁
６ｃで支持されるカバー部材９の支持部９ｄ、詳しく
は、嵌合凸部９ｅ下面、となる。なお、本体１７の所定
位置には、ホーン作動回路の正極側に接続される図示し
ないリード線がリベットを利用して結線されている。The main body 17 has contacts 17 near the front and rear ends.
a. 17a are formed, and two insertion holes 17b and two locking holes 17c are formed in order inside each contact 17a. Each insertion hole 17b has an insulating spacer 23.
4 is interposed and the mounting bolt 21 is inserted, and the locking hole 17c is a portion for locking the locking leg 9c of the cover member 9. Further, near the front and rear ends of the main body 17, there are formed support pieces 17d that project upward and bend in the horizontal direction. These support pieces 17d are
The portion that supports the bottom wall 6 of the bag holder 5 and the contact portion of the support piece 17d is the support portion 9d of the cover member 9 that is supported by the support wall 6c of the bag holder bottom wall 6, more specifically, the fitting protrusion. 9e lower surface. In addition, a lead wire (not shown) connected to the positive electrode side of the horn operation circuit is connected to a predetermined position of the main body 17 using a rivet.
【００２７】絶縁スペーサ２３・２４は、共に円環状の
合成樹脂製として、コイルばね２５と取付ボルト２１と
の可動コンタクトプレート１６に対する絶縁性を確保す
るもので、スペーサ２３・２４の結合時に挿通孔１７ｂ
周縁の表裏に固定されるように構成されている。The insulating spacers 23 and 24 are both made of an annular synthetic resin to ensure the insulation between the coil spring 25 and the mounting bolt 21 with respect to the movable contact plate 16. The insulating spacers 23 and 24 are inserted through holes when the spacers 23 and 24 are joined. 17b
It is configured to be fixed to the front and back of the periphery.
【００２８】取付ボルト２１は、金属製として、フラン
ジ部２１ａと、軸部２１ｂと、軸部２１ｂより小径とな
って雄ねじが螺刻されたねじ部２１ｃと、を備えて構成
され、ねじ部２１ｃをスポーク部Ｓの芯金１２に形成さ
れたねじ孔１２ａに螺合させることにより、軸部２１ｂ
とねじ部２１ｃとの段差面２１ｄで押えて、固定コンタ
クトプレート２０を芯金１２に固定させることとなる。
また、その固定時、フランジ部２１ａが、絶縁スペーサ
２３・２４を介在させて各挿通孔１７ｂ周縁を押え、可
動コンタクトプレート１６の固定コンタクトプレート２
０からの離隔距離を規制することとなる。なお、フラン
ジ部２１ａと絶縁スペーサ２４との間には、異音防止の
ため、円環状としたゴム製の緩衝材２２が配設されてい
る。The mounting bolt 21 is made of metal and is provided with a flange portion 21a, a shaft portion 21b, and a screw portion 21c having a smaller diameter than the shaft portion 21b and having a male screw threaded thereon. By screwing the screw into a screw hole 12a formed in the cored bar 12 of the spoke portion S.
The fixed contact plate 20 is fixed to the cored bar 12 by pressing it with the step surface 21d between the screw portion 21c and the screw portion 21c.
Further, at the time of fixing, the flange portion 21a presses the peripheral edge of each insertion hole 17b with the insulating spacers 23 and 24 interposed, and the fixed contact plate 2 of the movable contact plate 16 is fixed.
The distance from 0 will be regulated. An annular cushioning member 22 made of rubber is disposed between the flange portion 21a and the insulating spacer 24 to prevent abnormal noise.
【００２９】取付板部１８は、バッグホルダ側壁７をボ
ルト１０止めする際に側壁７の螺合部位（ナット）７ａ
周縁に当接する取付座としての役目を果し、ナット７ａ
に螺合させるボルト１０を挿通する貫通孔１８ａを備え
るとともに、ボルト１０を仮保持した合成樹脂製の保持
部材１９をねじ止めしている。The mounting plate portion 18 is a threaded portion (nut) 7a of the side wall 7 when the side wall 7 of the bag holder is fastened with the bolt 10.
The nut 7a serves as a mounting seat that abuts the peripheral edge.
A through hole 18a for inserting the bolt 10 to be screwed in is provided, and a synthetic resin holding member 19 that temporarily holds the bolt 10 is screwed.
【００３０】固定コンタクトプレート２０は、板金製と
して、前後の両端の上方へ上がった部位に、可動コンタ
クトプレート１６の接点１７ａに対応した接点２０ａが
形成され、各接点２０ａの中央寄りの部位に、取付ボル
ト２１のねじ部２１ｃを挿通させる挿通孔２０ｂを備え
ている。なお、これらの挿通孔２０ｂの内周面には、ね
じ部２１ｃに対応した雌ねじが螺刻されており、可動コ
ンタクトプレート１６に絶縁スペーサ２３・２４を組み
付け、絶縁スペーサ２３にコイルばね２５を外装した
後、取付ボルト２１を可動コンタクトプレート１６側か
ら固定コンタクトプレート２０に対して挿入させ、ねじ
部２１ｃを挿通孔２０ｂに螺合させることにより、ホー
ンスイッチ機構１５をアッセンブリー化できるように構
成されている。The fixed contact plate 20 is made of sheet metal, and contacts 20a corresponding to the contacts 17a of the movable contact plate 16 are formed on the upper portions of both front and rear ends of the fixed contact plate 20. It has an insertion hole 20b through which the threaded portion 21c of the mounting bolt 21 is inserted. A female screw corresponding to the screw portion 21c is threaded on the inner peripheral surface of each of the insertion holes 20b. The movable contact plate 16 is assembled with the insulating spacers 23, 24, and the insulating spacer 23 is covered with the coil spring 25. After that, the mounting bolt 21 is inserted into the fixed contact plate 20 from the movable contact plate 16 side, and the screw portion 21c is screwed into the insertion hole 20b, so that the horn switch mechanism 15 can be assembled. There is.
【００３１】つぎに、実施例のステアリングホイールＷ
の製造について述べると、まず、エアバッグ装置Ｍの組
み立ては、エアバッグ１内にリテーナ２を配置させ、リ
テーナ２の図示しないボルトを、エアバッグ開口部１ａ
の周縁・バッグホルダ底壁６の挿通孔６ｂ・インフレー
ターフランジ部３ｂに挿通させ、ナット止めすることに
より、バッグホルダ５にエアバッグ１やインフレーター
３を保持させる。Next, the steering wheel W of the embodiment
First, in assembling the airbag apparatus M, the retainer 2 is arranged in the airbag 1, and the bolt (not shown) of the retainer 2 is attached to the airbag opening 1a.
The airbag 1 and the inflator 3 are held in the bag holder 5 by inserting them into the periphery, the insertion hole 6b of the bottom wall 6 of the bag holder, and the inflator flange portion 3b and fixing them with nuts.
【００３２】その後、バッグホルダ５の側壁７の舌片部
７ｂや側壁８の取付孔７ｃ・８ａを利用して、パッド４
をバッグホルダ５にリベット止めし、エアバッグ装置Ｍ
を組み立てておく。After that, the tongue piece 7b of the side wall 7 of the bag holder 5 and the mounting holes 7c and 8a of the side wall 8 are used to make the pad 4
Is riveted to the bag holder 5 and the airbag device M
Assemble.
【００３３】なお、エアバッグ１は、リテーナ２を配設
させた後、折り畳んでおく。また、カバー部材９は、各
係止脚９ｃをバッグホルダ底壁６の挿通孔６ｇに挿通さ
せるとともに、各係止脚９ｂをバッグホルダ底壁６の係
止孔６ｆに係止させて、予め、バッグホルダ６に組み付
けておく。The airbag 1 is folded after the retainer 2 is arranged. In addition, the cover member 9 inserts each locking leg 9c into the insertion hole 6g of the bag holder bottom wall 6 and locks each locking leg 9b into the locking hole 6f of the bag holder bottom wall 6 in advance. , Assemble on the bag holder 6.
【００３４】一方、ステアリングホイール本体１１の組
み立ては、予め、芯金１２に被覆層１３を射出成形によ
り被覆させておく。そして、その芯金１２の左右のねじ
孔１２ａに、対応する取付ボルト２１のねじ部２１ｃを
螺合させて、アッセンブリー化したホーンスイッチ機構
１５を本体１１に配置させておく。また、ロアカバー１
４を芯金１２にねじ止めしておく。On the other hand, in assembling the steering wheel body 11, the core metal 12 is coated with the coating layer 13 by injection molding in advance. Then, the threaded portions 21c of the corresponding mounting bolts 21 are screwed into the left and right screw holes 12a of the cored bar 12 to arrange the assembled horn switch mechanism 15 in the main body 11. Also, lower cover 1
4 is screwed to the cored bar 12.
【００３５】そして、エアバッグ装置Ｍのバッグホルダ
底壁６から下方へ突出するカバー部材９の係止脚９ｃを
可動コンタクトプレート１６の係止孔１７ｃに係止させ
てエアバッグ装置Ｍをステアリングホイール本体１１に
仮止めする。その際、バッグホルダ５の左右の側壁７の
螺合部位７ａが、可動コンタクトプレート１６の連結板
部１８に当接し、また、カバー部材９の支持部９ｄ（嵌
合凸部９ｅ下面）が、可動コンタクトプレート１６の支
持片１７ｄに当接支持されることとなる。Then, the locking leg 9c of the cover member 9 projecting downward from the bag holder bottom wall 6 of the airbag apparatus M is locked in the locking hole 17c of the movable contact plate 16 to move the airbag apparatus M to the steering wheel. Temporarily fixed to the main body 11. At that time, the screwing portions 7a of the left and right side walls 7 of the bag holder 5 contact the connecting plate portion 18 of the movable contact plate 16, and the support portion 9d (the lower surface of the fitting convex portion 9e) of the cover member 9 is The movable contact plate 16 is brought into contact with and supported by the support piece 17d.
【００３６】その後、各連結板部１８の保持部材１９で
保持されたボルト１０を、対応するナット７ａに螺合さ
せれば、ステアリングホイールＷを組み立てて製造する
ことができる。After that, the bolts 10 held by the holding members 19 of the connecting plate portions 18 are screwed into the corresponding nuts 7a, whereby the steering wheel W can be assembled and manufactured.
【００３７】なお、エアバッグ装置Ｍをステアリングホ
イール本体１１に組み付ける際には、実際には、ステア
リングホイール本体１１のボス部Ｂの芯金１２を、車両
のステアリングシャフトに接続させた後に、行なうこと
となる。When assembling the airbag device M to the steering wheel body 11, in practice, the core metal 12 of the boss B of the steering wheel body 11 should be connected to the steering shaft of the vehicle. Becomes
【００３８】このように製造したステアリングホイール
Ｗでは、図５に示すように、可動コンタクトプレート１
６の支持片１７ｄに当接支持されるバッグホルダ５の部
位に、合成樹脂製のカバー部材９から延びる支持部９ｄ
が配設されており、従来の金属製相互の接触が防止でき
るため、車両の振動によって生ずるビビリ音等の異音を
低減することができる。そして勿論、支持部９ｄ自体
は、合成樹脂製であるが、上方を板金製のバッグホルダ
底壁６の支持壁６ｃで支持されるため、変形等の支障は
生じない。In the steering wheel W manufactured in this way, as shown in FIG.
6, a support portion 9d extending from the synthetic resin cover member 9 at the portion of the bag holder 5 that is supported by abutting against the support piece 17d.
Is provided, and it is possible to prevent the conventional metal-made mutual contact, so that it is possible to reduce abnormal noise such as chattering noise caused by vibration of the vehicle. Of course, the support portion 9d itself is made of synthetic resin, but since the upper portion is supported by the support wall 6c of the bag holder bottom wall 6 made of sheet metal, there is no problem such as deformation.
【００３９】そして、合成樹脂製の支持部９ｄは、バッ
グホルダ５の内部に配設されて螺合部位７ａを覆う合成
樹脂製のカバー部材９から延設されて構成されているこ
とから、別途、部品を準備しなくとも良く、部品点数の
増大を招くことがない。また、支持部９ｄの配置も、バ
ッグホルダ底壁６の支持壁６ｃの周縁における支持壁６
ｃを変位させた空間６ｅから挿入して配置させることが
できるため、工数がかからない。特に、実施例の場合に
は、支持部９ｄの先端下面に、切り欠き孔６ｄに嵌合す
る嵌合凸部９ｅが形成されており、凸部９ｅの嵌合によ
り、支持部９ｄの位置合せが容易になるとともに、支持
部９ｄのずれも防止することができることとなる。Since the support portion 9d made of synthetic resin is disposed inside the bag holder 5 and extends from the cover member 9 made of synthetic resin which covers the screwing portion 7a, it is separately provided. The parts do not have to be prepared, and the number of parts does not increase. Further, the arrangement of the support portion 9d is also the same as that of the support wall 6 at the periphery of the support wall 6c of the bag holder bottom wall 6.
Since c can be inserted and arranged from the displaced space 6e, man-hours are not required. Particularly, in the case of the embodiment, a fitting convex portion 9e which fits into the cutout hole 6d is formed on the lower surface of the tip of the supporting portion 9d, and the fitting of the convex portion 9e allows the alignment of the supporting portion 9d. It becomes easy and it is possible to prevent the displacement of the supporting portion 9d.
【００４０】したがって、実施例のステアリングホイー
ルＷでは、エアバッグ装置Ｍの組立工数や部品点数を増
大させることなく、バッグホルダ底壁６の可動コンタク
トプレート１６による支持部位から発生する異音を低減
させることができ、ステアリングホイールＷの製造工数
・製造コストの増大を抑えることができる。Therefore, in the steering wheel W of the embodiment, the abnormal noise generated from the portion supported by the movable contact plate 16 of the bag holder bottom wall 6 is reduced without increasing the number of assembly steps and the number of parts of the airbag apparatus M. Therefore, it is possible to suppress an increase in the number of manufacturing steps and manufacturing cost of the steering wheel W.
【図１】この発明の一実施例を示すステアリングホイー
ルの平面図である。FIG. 1 is a plan view of a steering wheel showing an embodiment of the present invention.
【図２】同実施例の断面図であり、図１のII−II部位を
示す。2 is a cross-sectional view of the same example, showing a II-II portion in FIG. 1. FIG.
【図３】同実施例の断面図であり、図１のIII −III 部
位を示す。3 is a cross-sectional view of the same example, showing a III-III portion of FIG. 1. FIG.
【図４】同実施例のバッグホルダ、カバー部材、及び、
可動コンタクトプレートの斜視図である。FIG. 4 is a bag holder of the embodiment, a cover member, and
It is a perspective view of a movable contact plate.
【図５】同実施例の断面図であり、図１のＶ−Ｖ部位を
示す。5 is a cross-sectional view of the same example, showing a VV portion in FIG. 1. FIG.
【図６】同実施例のステアリングホイール本体の平面図
である。FIG. 6 is a plan view of the steering wheel body of the embodiment.
５…バッグホルダ、 ６…底壁、 ６ｃ…支持壁、 ６ｄ…切り欠き孔、 ７…側壁、 ７ａ…（螺合部位）ナット、 ９…カバー部材、 ９ｄ…支持部、 １０…ボルト、 １１…ステアリングホイール本体、 １５…ホーンスイッチ機構、 １６…可動コンタクトプレート、 １７ｄ…支持片、 Ｗ…ステアリングホイール、 Ｍ…エアバッグ装置。 5 ... Bag holder, 6 ... Bottom wall, 6c ... Support wall, 6d ... Notch hole, 7 ... Side wall, 7a ... (Screwed part) nut, 9 ... Cover member, 9d ... Support part, 10 ... Bolt, 11 ... Steering wheel body, 15 ... Horn switch mechanism, 16 ... Movable contact plate, 17d ... Support piece, W ... Steering wheel, M ... Airbag device.
Claims (1)
備えたバッグホルダが、ステアリングホイール本体側に
配設されたホーンスイッチ機構の上下動可能な可動コン
タクトプレートに対し、前記底壁を支持されつつ、前記
可動コンタクトプレートから前記側壁へ螺合されるボル
トによって連結されて、前記エアバッグ装置が前記ステ
アリングホイール本体に取り付けられ、 前記バッグホルダにおける前記ボルトの螺合部位の内周
面側に、前記ボルトの螺合部位を覆う合成樹脂製のカバ
ー部材が配設されているエアバッグ装置を備えたステア
リングホイールであって、 前記バッグホルダの底壁における前記可動コンタクトプ
レートによる支持部位に、周囲を切り欠いて上方へ変位
した支持壁が形成され、 該支持壁下面に、前記カバー部材から延設されて前記可
動コンタクトプレートと当接する支持部が配設されてい
ることを特徴とするエアバッグ装置を備えたステアリン
グホイール。1. A bag holder having a bottom wall and a side wall in an airbag device, the bottom wall being supported by a vertically movable movable contact plate of a horn switch mechanism arranged on the steering wheel body side. While being connected by a bolt screwed from the movable contact plate to the side wall, the airbag device is attached to the steering wheel body, on the inner peripheral surface side of the screwed portion of the bolt in the bag holder, A steering wheel provided with an airbag device in which a cover member made of synthetic resin for covering a screwed portion of the bolt is arranged, wherein a surrounding portion is provided at a support portion of the bottom wall of the bag holder by the movable contact plate. A support wall that is notched and displaced upward is formed, and the cover member is formed on the lower surface of the support wall. A steering wheel provided with an airbag device, wherein a support portion is provided that extends and abuts on the movable contact plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03260895A JP3572697B2 (en) | 1995-02-21 | 1995-02-21 | Steering wheel with airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03260895A JP3572697B2 (en) | 1995-02-21 | 1995-02-21 | Steering wheel with airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08225051A true JPH08225051A (en) | 1996-09-03 |
| JP3572697B2 JP3572697B2 (en) | 2004-10-06 |
Family
ID=12363579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03260895A Expired - Lifetime JP3572697B2 (en) | 1995-02-21 | 1995-02-21 | Steering wheel with airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3572697B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887239A2 (en) | 1997-06-24 | 1998-12-30 | Toyoda Gosei Co., Ltd. | Steering wheel having air bag module |
| US6079737A (en) * | 1997-01-16 | 2000-06-27 | Toyoda Gosei Co., Ltd. | Steering wheel and horn switch assembly for the steering wheel |
| US6508485B2 (en) * | 2000-05-12 | 2003-01-21 | Toyoda Gosei Co., Ltd. | Horn switch for a steering wheel |
| DE19801514B4 (en) * | 1997-01-16 | 2005-08-04 | Toyoda Gosei Co., Ltd. | Steering wheel with horn switch assembly for the steering wheel |
| JP2006306314A (en) * | 2005-04-28 | 2006-11-09 | Toyoda Gosei Co Ltd | Punched air bag retaining member and method for assembling air bag |
| JP2007245928A (en) * | 2006-03-16 | 2007-09-27 | Mazda Motor Corp | Steering wheel structure for automobile |
| KR200470020Y1 (en) * | 2009-07-07 | 2013-11-20 | (주)엘지하우시스 | Fixing structure of steering wheel and settling members and horn moduel fixing structure using same |
| EP2749457A1 (en) * | 2011-08-24 | 2014-07-02 | Takata Corporation | Driver seat air bag apparatus installation structure and steering wheel |
| JP2015145173A (en) * | 2014-02-03 | 2015-08-13 | タカタ株式会社 | steering wheel |
| JP2016064808A (en) * | 2014-09-24 | 2016-04-28 | タカタ株式会社 | Steering wheel |
| JP2019006341A (en) * | 2017-06-28 | 2019-01-17 | Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 | Steering Wheel |
| CN111556837A (en) * | 2018-01-19 | 2020-08-18 | 奥托立夫开发公司 | Steering wheel |
-
1995
- 1995-02-21 JP JP03260895A patent/JP3572697B2/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079737A (en) * | 1997-01-16 | 2000-06-27 | Toyoda Gosei Co., Ltd. | Steering wheel and horn switch assembly for the steering wheel |
| US6199908B1 (en) | 1997-01-16 | 2001-03-13 | Toyoda Gosei Co., Ltd. | Steering wheel and horn switch assembly for the steering wheel |
| DE19801514B4 (en) * | 1997-01-16 | 2005-08-04 | Toyoda Gosei Co., Ltd. | Steering wheel with horn switch assembly for the steering wheel |
| EP0887239A2 (en) | 1997-06-24 | 1998-12-30 | Toyoda Gosei Co., Ltd. | Steering wheel having air bag module |
| US6062592A (en) * | 1997-06-24 | 2000-05-16 | Toyoda Gosei Co., Ltd. | Steering wheel having air bag module |
| US6508485B2 (en) * | 2000-05-12 | 2003-01-21 | Toyoda Gosei Co., Ltd. | Horn switch for a steering wheel |
| JP4544019B2 (en) * | 2005-04-28 | 2010-09-15 | 豊田合成株式会社 | Airbag subassembly |
| JP2006306314A (en) * | 2005-04-28 | 2006-11-09 | Toyoda Gosei Co Ltd | Punched air bag retaining member and method for assembling air bag |
| JP2007245928A (en) * | 2006-03-16 | 2007-09-27 | Mazda Motor Corp | Steering wheel structure for automobile |
| KR200470020Y1 (en) * | 2009-07-07 | 2013-11-20 | (주)엘지하우시스 | Fixing structure of steering wheel and settling members and horn moduel fixing structure using same |
| EP2749457A1 (en) * | 2011-08-24 | 2014-07-02 | Takata Corporation | Driver seat air bag apparatus installation structure and steering wheel |
| EP2749457A4 (en) * | 2011-08-24 | 2015-04-29 | Takata Corp | Driver seat air bag apparatus installation structure and steering wheel |
| JP2015145173A (en) * | 2014-02-03 | 2015-08-13 | タカタ株式会社 | steering wheel |
| JP2016064808A (en) * | 2014-09-24 | 2016-04-28 | タカタ株式会社 | Steering wheel |
| JP2019006341A (en) * | 2017-06-28 | 2019-01-17 | Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 | Steering Wheel |
| CN111556837A (en) * | 2018-01-19 | 2020-08-18 | 奥托立夫开发公司 | Steering wheel |
| CN111556837B (en) * | 2018-01-19 | 2022-05-10 | 奥托立夫开发公司 | Steering wheel |
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| Publication number | Publication date |
|---|---|
| JP3572697B2 (en) | 2004-10-06 |
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