JPH0457539B2 - - Google Patents
Info
- Publication number
- JPH0457539B2 JPH0457539B2 JP61060088A JP6008886A JPH0457539B2 JP H0457539 B2 JPH0457539 B2 JP H0457539B2 JP 61060088 A JP61060088 A JP 61060088A JP 6008886 A JP6008886 A JP 6008886A JP H0457539 B2 JPH0457539 B2 JP H0457539B2
- Authority
- JP
- Japan
- Prior art keywords
- shock absorber
- boss
- mounting plate
- shock
- height
- 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.)
- Expired - Lifetime
Links
Landscapes
- Vibration Dampers (AREA)
- Steering Controls (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ステアリングホイールに係り、特
に、そのボス部に衝撃吸収体を備えたものに関す
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a steering wheel, and particularly to a steering wheel having a shock absorber in its boss portion.
（従来の技術）
従来、衝撃吸収体を備えたステアリングホイー
ルは、例えば実開昭59−116277号公報に記載され
ているように、ボスの上部に設けられたボスプレ
ートとボス部の上面を覆うパツドとの間に衝撃吸
収体を収容し、そして、その衝撃吸収体は、ボス
プレートの上面に、例えばねじ止め、溶接等によ
つて固定した構造が採られていた。(Prior Art) Conventionally, a steering wheel equipped with a shock absorber includes a boss plate provided at the top of a boss and a boss plate that covers the top surface of the boss, as described in, for example, Japanese Utility Model Application Publication No. 59-116277. A structure was adopted in which a shock absorber was housed between the pad and the shock absorber, and the shock absorber was fixed to the upper surface of the boss plate by, for example, screwing, welding, or the like.
（発明が解決しようとする問題点）
上記従来のステアリングホイールでの衝撃吸収
体の衝撃吸収ストロークは、ボスプレートの上面
とパツドの下面との間の距離により決定される
が、衝撃吸収体の上部とパツドとの間にホーン機
構を設ける構造、または、安全性の向上を考慮し
た場合など、さらに衝撃吸収体の衝撃吸収ストロ
ークを長く設定することができるステアリングホ
イールが望まれている。(Problem to be Solved by the Invention) The shock absorption stroke of the shock absorber in the conventional steering wheel described above is determined by the distance between the top surface of the boss plate and the bottom surface of the pad. There is a need for a steering wheel with a structure in which a horn mechanism is provided between the steering wheel and the pad, or a steering wheel in which the shock absorbing stroke of the shock absorber can be set longer in consideration of improving safety.
しかしながら、単に衝撃吸収体の衝撃吸収スト
ロークを長くするために、衝撃吸収壁の高さを高
くすると、ステアリングホイールの高さが高くな
り、車両への取付性および操作性に問題がある。 However, if the height of the shock absorbing wall is increased simply to lengthen the shock absorbing stroke of the shock absorber, the height of the steering wheel increases, which poses a problem in ease of mounting to a vehicle and operability.
また、衝撃吸収体をボスプレートの上面に固定
するが、その固定がねじ止めの場合には、その取
付作業が面倒であり、溶接の場合には、溶接個所
に加わる衝撃力に耐え得る充分な溶接強度と品質
管理が要求される。 In addition, the shock absorber is fixed to the top surface of the boss plate, but if the fixation is done with screws, the installation work is troublesome, and if it is welded, it is difficult to attach the shock absorber to the top surface of the boss plate. Weld strength and quality control are required.
そこで、衝撃吸収体の衝撃吸収ストロークを長
くするために、ボスを短くすることが考えられる
が、ボスは一定の長さがないと所定の強度が保持
できない。したがつて、第５図に示すように、従
来の構造のように、ボス４０の高さを一定の高さ
h1に保持するとともに衝撃吸収体４１の衝撃吸収
壁４２の高さh2をステアリングホイールの高さ限
界に合わせて設定すると、第６図に示すように、
衝撃ストロークは高さh3となり、衝撃吸収体４１
の衝撃吸収ストロークは、ボス４０の高さh1とス
テアリングホイールの高さ限界とに合わせた高さ
h2により決まり、衝撃吸収体４１の衝撃吸収壁の
高さは限界があり、衝撃吸収壁の高さを高くする
ことができないので、衝撃吸収体の衝撃吸収スト
ロークを長くすることができなかつた。 Therefore, it is conceivable to shorten the boss in order to lengthen the shock absorption stroke of the shock absorber, but unless the boss has a certain length, a predetermined strength cannot be maintained. Therefore, as shown in FIG. 5, the height of the boss 40 is set to a constant height as in the conventional structure.
h 1 and the height h 2 of the shock absorbing wall 42 of the shock absorber 41 is set to match the height limit of the steering wheel, as shown in FIG.
The impact stroke has a height h 3 and the impact absorber 41
The shock absorption stroke of
h2 , the height of the shock absorption wall of the shock absorber 41 has a limit, and since the height of the shock absorption wall cannot be increased, it is not possible to lengthen the shock absorption stroke of the shock absorber. .
本発明は上記問題点に鑑みなされたもので、衝
撃吸収体の衝撃吸収壁の高さを高くでき、この衝
撃吸収体の衝撃吸収ストロークを長く設定できる
とともに、衝撃吸収体を確実に固定できるステア
リングホイールを提供することを目的とするもの
である。 The present invention has been made in view of the above-mentioned problems, and it is possible to increase the height of the shock absorption wall of the shock absorber, to set the shock absorption stroke of the shock absorber to be long, and to securely fix the shock absorber to the steering wheel. The purpose is to provide wheels.
（問題点を解決するための手段）
本発明のステアリングホイールは、ステアリン
グシヤフトに嵌着されるボス６と、少なくともそ
のボスの上面より上方に突出する衝撃吸収壁２０
を有する衝撃吸収体１８とを備えている。そし
て、前記衝撃吸収体１８は前記ボス６に取付けら
れる取付板部１９とこの取付板部１９から上方に
突出する前記衝撃吸収壁２０とからなり、前記ボ
ス６は軸方向に分割した上側部材１２および下側
部材１４で構成し、この上側部材１２と下部部材
１４間に前記衝撃吸収体１８の取付板部１９を挟
持し、前記上側部材１２および下側部材１４を前
記取付板部１９とともに溶接固定したものであ
る。(Means for Solving the Problems) The steering wheel of the present invention includes a boss 6 that is fitted onto a steering shaft, and a shock absorbing wall 20 that projects upwardly from at least the upper surface of the boss.
A shock absorber 18 is provided. The shock absorber 18 includes a mounting plate 19 attached to the boss 6 and the shock absorbing wall 20 projecting upward from the mounting plate 19. and a lower member 14, a mounting plate portion 19 of the shock absorber 18 is sandwiched between the upper member 12 and the lower member 14, and the upper member 12 and the lower member 14 are welded together with the mounting plate portion 19. It is fixed.
（作用）
本発明のステアリングホイールは、衝撃吸収体
の取付板部をボスの上側部材と下側部材との間に
挟持して固定するため、上側部材の高さと略同寸
法分衝撃吸収体の衝撃吸収壁の高さを高くして衝
撃吸収ストロークを長く設定できる。(Function) In the steering wheel of the present invention, since the mounting plate portion of the shock absorber is sandwiched and fixed between the upper member and the lower member of the boss, the shock absorber is fixed by approximately the same dimension as the height of the upper member. The shock absorption stroke can be set longer by increasing the height of the shock absorption wall.
（実施例）
以下、本発明の一実施例の構成を図面を参照し
て説明する。(Example) Hereinafter, the configuration of an example of the present invention will be described with reference to the drawings.
１はステアリングホイールで、そのステアリン
グホイール１は、環状のリム芯金２を備えたリム
部３と、そのリム芯金２の内側に両端が溶接によ
つて固定されたスポーク芯金４を備えたスポーク
部５と、そのスポーク芯金４の中央部に固定され
たボス６を備えたボス部７とから構成されてい
る。 Reference numeral 1 denotes a steering wheel, and the steering wheel 1 includes a rim part 3 having an annular rim core metal 2, and spoke core metals 4 whose both ends are fixed to the inside of the rim core metal 2 by welding. It is composed of a spoke part 5 and a boss part 7 having a boss 6 fixed to the center part of the spoke core metal 4.
そして、前記リム部３およびスポーク部５の両
端部分は被覆体８によつて被覆され、ボス部７お
よびスポーク部５の中央付近の下面はボス６の下
部に取付けられたカバー体９で覆われ、ボス部７
の上面は後述するホーン機構２９を介して支持さ
れたパツド１０で覆われている。 Both end portions of the rim portion 3 and spoke portions 5 are covered with a covering member 8, and the lower surfaces near the center of the boss portion 7 and spoke portions 5 are covered with a cover member 9 attached to the lower part of the boss 6. , boss part 7
The upper surface of the pad 10 is covered with a pad 10 supported via a horn mechanism 29 which will be described later.
前記ボス６は、図示しないステアリングシヤフ
トのセレーシヨン部にセレーシヨン嵌合するセレ
ーシヨン孔１１を有した上側部材１２と、ステア
リングシヤフトのテーパ部にテーパ嵌合するテー
パ孔１３を有した下側部材１４とから構成され、
上側部材１２の下面に突設された環状の嵌合突部
１５と下側部材１４の上面に設けられた環状の嵌
合凹部１６との嵌合によつて一体に結合される。 The boss 6 includes an upper member 12 having a serration hole 11 that fits into a serration portion of a steering shaft (not shown), and a lower member 14 having a tapered hole 13 that fits into a tapered portion of the steering shaft. configured,
The annular fitting protrusion 15 protruding from the lower surface of the upper member 12 and the annular fitting recess 16 provided on the upper surface of the lower member 14 are fitted together to be integrally coupled.
また、この上側部材１２と下側部材１４との結
合状態で、上側部材１２の下面と下側部材１４の
上面との間の嵌合突部１５の外周に環状の連結凹
部１７が設けられ、この連結凹部１７に上記スポ
ーク芯金４および衝撃吸収体１８の取付板部１９
が挟持されて、それらは抵抗溶接によつて一体に
固定されている。 Further, in the state where the upper member 12 and the lower member 14 are connected, an annular connecting recess 17 is provided on the outer periphery of the fitting protrusion 15 between the lower surface of the upper member 12 and the upper surface of the lower member 14, A mounting plate portion 19 for the spoke core metal 4 and the shock absorber 18 is attached to this connection recess 17.
are sandwiched and fixed together by resistance welding.
また、前記ボス６に固定される衝撃吸収体１８
は、取付板部１９と、この取付板部１９の四方の
縁部から上方に突出された衝撃吸収壁２０とを有
し、その取付板部１９は、下側部材１４の上面に
接合される基板２１の中央に、嵌合突部１５が嵌
合される切欠き部２２、この切欠き部２２の対向
する両縁部に嵌合突部１５の外周に接合され連結
凹部１７内に挟持される一対の立上り板２３が設
けられ、また、この基板２１の両側に、基板２１
の厚さ寸法分だけ下げられ上面に上記スポーク芯
金４が載置される載置板２４が設けられ、この載
置板２４には、スポーク芯金４を下側部材１４の
上面に接合させるためにその下側部材１４の上面
に載置板２４が接合しないように切欠き部２５が
設けられている。 Further, a shock absorber 18 fixed to the boss 6
has a mounting plate part 19 and shock absorbing walls 20 projecting upward from the four edges of this mounting plate part 19, and the mounting plate part 19 is joined to the upper surface of the lower member 14. At the center of the substrate 21, there is a notch 22 into which the fitting protrusion 15 is fitted, and at both opposing edges of the notch 22, a cutout 22 is joined to the outer periphery of the fitting protrusion 15 and is held in the connecting recess 17. A pair of upright plates 23 are provided on both sides of the substrate 21.
A mounting plate 24 is provided on the upper surface of which the spoke core metal 4 is placed, and the spoke core metal 4 is joined to the upper surface of the lower member 14 on the placement plate 24. Therefore, a notch 25 is provided on the upper surface of the lower member 14 so that the mounting plate 24 does not join.
なお、前記基板２１には、取付孔２６が設けら
れ、この取付孔２６を介して取付ねじ２７により
上記カバー体９が螺着固定されている。 Note that the substrate 21 is provided with a mounting hole 26, and the cover body 9 is screwed and fixed through the mounting hole 26 with a mounting screw 27.
さらに、前記衝撃吸収体１８の各衝撃吸収壁２
０の上端は、取付板２８にスポツト溶接等によつ
て固定され、この取付板２８の上面にホーン機構
２９が設けられている。このホーン機構２９は、
取付板２８上に絶縁スリーブ３０、コイルスプリ
ング３１および絶縁ワツシヤ３２を介して可動接
点側のホーンプレート３３がねじ３４で押圧自在
に取付けられ、さらに、このホーンプレート３３
上に複数のクランプスプリング３５を介して上記
パツド１０が取付けられるとともに、そのパツド
１０の下面に形成した図示しない複数の押圧用突
起がホーンプレート３３の上面に当接されてい
る。 Furthermore, each shock absorbing wall 2 of the shock absorber 18
0 is fixed to a mounting plate 28 by spot welding or the like, and a horn mechanism 29 is provided on the upper surface of this mounting plate 28. This horn mechanism 29 is
A horn plate 33 on the movable contact side is mounted on the mounting plate 28 via an insulating sleeve 30, a coil spring 31, and an insulating washer 32 so as to be freely pressable with a screw 34.
The pad 10 is attached to the top via a plurality of clamp springs 35, and a plurality of pressing protrusions (not shown) formed on the bottom surface of the pad 10 are in contact with the top surface of the horn plate 33.
そして、前記ホーンプレート３３と前記カバー
体９の下面に設けたスリツプリング３６とを図示
しない導電部材により電気的に接続し、これによ
つて可動接点側のホーンプレート３３をスリツプ
リング３６から図示しないホーンを介してバツテ
リーのプラス側に接続するとともに、固定接点側
の取付板２８をボス６からステアリングシヤフト
を介して車体にアースしてバツテリーのマイナス
側に接続するようにし、パツド１０を押圧した際
に、ホーンプレート３３と取付板２８とが導電接
続して、ホーンを吹鳴すさせるようになつてい
る。 Then, the horn plate 33 and the slip ring 36 provided on the lower surface of the cover body 9 are electrically connected by a conductive member (not shown), thereby connecting the horn plate 33 on the movable contact side from the slip ring 36 (not shown). In addition to connecting to the positive side of the battery via the horn, the mounting plate 28 on the fixed contact side is grounded from the boss 6 to the vehicle body via the steering shaft and connected to the negative side of the battery, and when the pad 10 is pressed. In addition, the horn plate 33 and the mounting plate 28 are electrically connected to each other so that the horn is blown.
次に、この実施例の作用を説明する。 Next, the operation of this embodiment will be explained.
衝撃吸収体１８の取付板部１９をボス６の上側
部材１２と下側部材１４との間に位置させたの
で、ボス６は上側部材１２と下側部材１４とによ
り所定の強度を保持する高さH1（＝h1）に保持し
て、取付板部１９が従来の第５図に示す取付位置
より第３図に示す取付位置、すなわちボス６の上
面位置よりも上側部材１２の高さH4と略同一高
さ程度下方に位置し、第４図に示すように、衝撃
時の衝撃吸収体１８の衝撃吸収ストロークH3は
第６図に示す衝撃ストロークh3より上側材部１２
の高さH4と略同一の高さ程度長く設定すること
ができる。しかも、衝撃吸収体１８の取付板部１
９は、スポーク芯金４の下部に位置しているの
で、衝撃吸収ストロークをスポーク芯金４の厚み
分長く設定することができる。 Since the mounting plate portion 19 of the shock absorber 18 is located between the upper member 12 and the lower member 14 of the boss 6, the boss 6 has a height that maintains a predetermined strength by the upper member 12 and the lower member 14. H 1 (=h 1 ), the mounting plate portion 19 is moved from the conventional mounting position shown in FIG. 5 to the mounting position shown in FIG. H 4 is located approximately at the same height below, and as shown in FIG. 4, the impact absorption stroke H 3 of the impact absorber 18 at the time of impact is higher than the impact stroke h 3 shown in FIG.
The height can be set to approximately the same height as H4 . Moreover, the mounting plate portion 1 of the shock absorber 18
Since 9 is located below the spoke core metal 4, the shock absorption stroke can be set to be longer by the thickness of the spoke core metal 4.
第１図に示すように、衝撃吸収体１８の上部に
高さを必要とする構造のホーン機構２９でも、ス
テアリングホイールの高さを高くすることなく、
衝撃吸収体１８の上部に設けることができる。 As shown in FIG. 1, even if the horn mechanism 29 has a structure that requires a height above the shock absorber 18, it can be used without increasing the height of the steering wheel.
It can be provided on the upper part of the shock absorber 18.
また、ホーン機構２９を衝撃吸収体１８の上部
に設けず、スポーク部５に設ける構造とすれば、
さらに衝撃吸収体１８の衝撃吸収ストロークを長
く設定することができ、安全性を向上できる。 Moreover, if the horn mechanism 29 is not provided on the upper part of the shock absorber 18 but is provided on the spoke part 5,
Furthermore, the shock absorbing stroke of the shock absorber 18 can be set longer, and safety can be improved.
なお、ボス６の上側部材１２、下側部材１４、
スポーク芯金４および衝撃吸収体１８の取付板部
１９の一体的な固定は、抵抗溶接に限らず、他の
溶接手段による固定でもよい。 Note that the upper member 12, lower member 14 of the boss 6,
The integral fixing of the spoke core metal 4 and the mounting plate portion 19 of the shock absorber 18 is not limited to resistance welding, and may be fixed by other welding means.
また、上側部材１２と下側部材１４との間に
は、衝撃吸収体１８の取付板部１９のみを挟持さ
せ、スポーク芯金４はボス６の外側に溶接によつ
て固定するようにしてもよい。 Alternatively, only the mounting plate portion 19 of the shock absorber 18 may be sandwiched between the upper member 12 and the lower member 14, and the spoke core metal 4 may be fixed to the outside of the boss 6 by welding. good.
また、上記実施例では、上側部材１２にセレー
シヨン孔１１を設け、下側部材１４にテーパ孔１
３を設けたが、上側部材１２にステアリングシヤ
フトのテーパ部にテーパ嵌合するテーパ孔を設
け、下側部材１４にステアリングシヤフトのセレ
ーシヨン部にセレーシヨン嵌合するセレーシヨン
孔を設けてもよい。 Further, in the above embodiment, the serration hole 11 is provided in the upper member 12, and the tapered hole 1 is provided in the lower member 14.
3, however, the upper member 12 may be provided with a taper hole that taper-fits into the tapered portion of the steering shaft, and the lower member 14 may be provided with a serration hole that fits into the serration portion of the steering shaft.
（発明の効果）
本発明によれば、ボスを軸方向に分割し、この
分割された上側部材と下側部材間に衝撃吸収体の
取付板部を挟持して溶接固定したので、ボスの長
さを強度を維持できる長さに保持して衝撃吸収体
の衝撃吸収壁の高さを高くできるため、衝撃吸収
ストロークを長く設定することができ、さらに、
衝撃吸収体の取付板部のボスに対する固定が確実
にできる。(Effects of the Invention) According to the present invention, the boss is divided in the axial direction, and the mounting plate portion of the shock absorber is sandwiched between the divided upper and lower members and fixed by welding. Since the height of the shock absorbing wall of the shock absorber can be increased by maintaining the height of the shock absorber to a length that maintains its strength, the shock absorption stroke can be set longer.
The mounting plate portion of the shock absorber can be securely fixed to the boss.
第１図は本発明のステアリングホイールの一実
施例を示す縦断面図、第２図はその要部の分解斜
視図、第３図は同上衝撃吸収体の説明図、第４図
は同上衝撃吸収時の状態を示す説明図、第５図は
従来の衝撃吸収体の説明図、第６図は同上衝撃吸
収時の状態を示す説明図である。
６……ボス、１２……上側部材、１４……下側
部材、１８……衝撃吸収体、１９……取付板部、
２０……衝撃吸収壁。
Fig. 1 is a longitudinal sectional view showing one embodiment of the steering wheel of the present invention, Fig. 2 is an exploded perspective view of its main parts, Fig. 3 is an explanatory diagram of the same shock absorber as above, and Fig. 4 is a shock absorber as above. FIG. 5 is an explanatory diagram showing the conventional shock absorber, and FIG. 6 is an explanatory diagram showing the state at the time of shock absorption. 6... Boss, 12... Upper member, 14... Lower member, 18... Shock absorber, 19... Mounting plate part,
20... Shock absorption wall.
Claims (1)
少なくともそのボスの上面より上方に突出する衝
撃吸収壁を有する衝撃吸収体とを備え、 前記衝撃吸収体は前記ボスに取付けられる取付
板部とこの取付板部から上方に突出する前記衝撃
吸収壁とからなり、 前記ボスは軸方向に分割した上側部材および下
側部材で構成し、この上側部材と下側部材との間
に前記衝撃吸収体の取付板部を挟持し、 前記上側部材および下側部材を前記取付板部と
ともに溶接固定した ことを特徴とするステアリングホイール。[Claims] 1. A boss fitted to the steering shaft;
a shock absorber having a shock absorbing wall protruding upward from at least the upper surface of the boss, the shock absorber having a mounting plate portion attached to the boss, the shock absorbing wall protruding upward from the mounting plate portion; The boss is composed of an upper member and a lower member divided in the axial direction, the mounting plate portion of the shock absorber is sandwiched between the upper member and the lower member, and the upper member and the lower member are A steering wheel characterized in that a member is welded and fixed together with the mounting plate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6008886A JPS62216864A (en) | 1986-03-18 | 1986-03-18 | Steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6008886A JPS62216864A (en) | 1986-03-18 | 1986-03-18 | Steering wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62216864A JPS62216864A (en) | 1987-09-24 |
| JPH0457539B2 true JPH0457539B2 (en) | 1992-09-11 |
Family
ID=13131983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6008886A Granted JPS62216864A (en) | 1986-03-18 | 1986-03-18 | Steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62216864A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05116632A (en) * | 1991-10-29 | 1993-05-14 | Toyoda Gosei Co Ltd | Steering wheel provided with impulsive energy absorbing body |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145663A (en) * | 1983-02-08 | 1984-08-21 | Nippon Plast Co Ltd | Core member for steering wheel |
| JPS6011856U (en) * | 1983-07-06 | 1985-01-26 | 豊田合成株式会社 | Horn pad mounting structure |
-
1986
- 1986-03-18 JP JP6008886A patent/JPS62216864A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62216864A (en) | 1987-09-24 |
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