JPS6257543B2 - - Google Patents
Info
- Publication number
- JPS6257543B2 JPS6257543B2 JP15341681A JP15341681A JPS6257543B2 JP S6257543 B2 JPS6257543 B2 JP S6257543B2 JP 15341681 A JP15341681 A JP 15341681A JP 15341681 A JP15341681 A JP 15341681A JP S6257543 B2 JPS6257543 B2 JP S6257543B2
- Authority
- JP
- Japan
- Prior art keywords
- steering wheel
- pad
- wheel body
- shock absorbing
- absorbing pad
- 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
Links
- 230000035939 shock Effects 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R21/05—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the steering wheel, steering hand lever or steering column
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Description
【発明の詳細な説明】
本発明は、衝撃吸収機能を備えた自動車などの
車輛用のステアリングホイールに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a steering wheel for a vehicle such as an automobile that has a shock absorbing function.
従来、衝撃吸収機能を備えたステアリングホイ
ールとしては、たとえば、実公昭49−22095号公
報に示されるように、ステアリングホイール本体
のパツドの上面に透明材製の球状空気クツシヨン
を取付け、この球状空気クツシヨン上に、順次大
径となる複数個の透明材製のドーナツ状空気クツ
シヨンを積層し、ステアリングホイールに衝撃が
加わつた場合、すなわち、走行中の車輛が他の車
輛などに衝突し、二次衝突として運転者の頭がパ
ツドに激突するような場合、その頭部をドーナツ
状空気クツシヨン内で受けて運転者を保護するよ
うなものが提案されている。 Conventionally, as shown in Japanese Utility Model Publication No. 49-22095, a steering wheel equipped with a shock absorption function has a spherical air cushion made of a transparent material attached to the top surface of the pad of the steering wheel body. A plurality of donut-shaped air cushions made of transparent material are stacked on the top, and the diameter increases in order to prevent a secondary collision if an impact is applied to the steering wheel, i.e. when the vehicle is running and collides with another vehicle. It has been proposed that if the driver's head hits the pad, the driver's head is received within a donut-shaped air cushion to protect the driver.
しかし、この従来のものにおいては、ステアリ
ングホイール本体のパツドの上部に衝撃吸収部材
を取付けるため、実際上ハンドル操作に支障を来
たし、かつ、視界が悪いとともにメータ類の読み
取りができず、しかも、空気クツシヨンで、空気
の逃げ道がないため、衝突後スプリング効果が働
き、エネルギーの吸収が有効に行われず、かつ、
内部の空気圧を一定に保つこともむずかしい。 However, in this conventional type, the shock absorbing member is attached to the top of the pad of the steering wheel body, which actually hinders steering operation, has poor visibility, and makes it impossible to read the meters. Since there is no escape route for air in the cushion, a spring effect works after a collision, and energy absorption is not performed effectively.
It is also difficult to keep the internal air pressure constant.
本発明は、このような点を改良しようとするも
ので、衝突による衝撃エネルギーをパツドの空気
圧縮抵抗で吸収するとともに、さらにパツドの挫
屈応力により段階的に吸収し、より安全なステア
リングホイールを提供することを目的とし、ボス
部、スポーク部およびグリツプ部を有するステア
リングホイール本体と、このステアリングホイー
ル本体上に設けられた衝撃吸収パツドとを備え、
上記衝撃吸収パツドは、上記ステアリングホイー
ル本体側において内方に同心的に突出した環状の
蛇腹状をなす屈折部を形成するとともに、空気の
流通孔を形成したことを特徴とするものである。 The present invention aims to improve these points by absorbing the impact energy caused by a collision by the air compression resistance of the pads, and by absorbing it in stages by the buckling stress of the pads, thereby creating a safer steering wheel. A steering wheel body having a boss part, a spoke part and a grip part, and a shock absorbing pad provided on the steering wheel body,
The shock absorbing pad is characterized in that it has an annular bellows-shaped bent portion concentrically protruding inward on the steering wheel body side, and has air circulation holes formed therein.
以下、本発明を図面に示す一実施例を参照して
説明する。 Hereinafter, the present invention will be described with reference to an embodiment shown in the drawings.
１はステアリングホイール本体で、このステア
リングホイール本体１は、ボス部２、このボス部
２の両側に内端が溶接連結され内側の水平状部か
ら斜め上方に延在する一対のスポーク芯金３の裏
側に設けた裏カバー４を有するスポーク部５、こ
のスポーク部５の一対のスポーク芯金３の外端に
溶接連結されたリム芯金６を外皮７で被覆したグ
リツプ部８からなつている。そして、上記一対の
スポーク芯金３の中間上部にブラケツト９が固着
されている。 1 is a steering wheel body, and this steering wheel body 1 includes a boss portion 2 and a pair of spoke core metals 3 whose inner ends are welded to both sides of the boss portion 2 and extend obliquely upward from an inner horizontal portion. It consists of a spoke part 5 having a back cover 4 provided on the back side, and a grip part 8 in which a rim core metal 6 welded to the outer ends of a pair of spoke core metals 3 of the spoke part 5 is covered with an outer skin 7. A bracket 9 is fixed to the upper middle portion of the pair of spoke core metals 3.
１１はパツドで、このパツド１１は、ポリエチ
レン、ポリプロピレンなどの熱可塑性合成樹脂の
ブロー成形により中空状に一体に形成され、上面
部１２は上方にわずかに膨らんだ平坦状に近い形
状をなし、この上面部１２の両側端から内側下方
に向う傾斜状部１３を介して平坦状の取付部１４
が連設され、この両側の取付部１４に取付ボス１
５が設けられているとともに、両側の取付部１４
に上記スポーク芯金３と平行な傾斜状部１６が連
設され、また、上記上面部１２の前後の縁部から
外側下方に向う傾斜状部１７およびこの傾斜状部
１７の下端から内側下方に向う傾斜状部１８が連
設されている。そして、上記両側の傾斜状部１６
と前後の傾斜状部１８の内側に、内方に同心的に
突出した環状で断面山形状をなし、かつ蛇腹状の
屈折部１９が連設され、この屈折部１９の内端に
帽状部２０が連設されている。さらに、上記傾斜
状部１６，１８と屈折部１９との連設部に複数個
の空気流通孔２１が設けられている。 Reference numeral 11 denotes a pad, and this pad 11 is integrally formed into a hollow shape by blow molding a thermoplastic synthetic resin such as polyethylene or polypropylene. A flat mounting portion 14 is attached via an inclined portion 13 extending inwardly and downwardly from both ends of the upper surface portion 12.
are arranged in series, and a mounting boss 1 is provided on the mounting portions 14 on both sides.
5 is provided, and mounting portions 14 on both sides are provided.
A sloped part 16 parallel to the spoke core metal 3 is connected to the spoke core metal 3, and a sloped part 17 extends outwardly and downwardly from the front and rear edges of the upper surface part 12, and a sloped part 17 extends inwardly and downwardly from the lower end of this sloped part 17. A facing inclined portion 18 is provided in succession. Then, the inclined portions 16 on both sides
On the inside of the front and rear inclined portions 18, an annular bent portion 19 concentrically protrudes inward, has a mountain-shaped cross section, and has a bellows-like shape. 20 are arranged in series. Further, a plurality of air circulation holes 21 are provided in the continuous portion between the inclined portions 16 and 18 and the bending portion 19.
そして、上記ステアリングホイール本体１のボ
ス部２およびスポーク部５を覆つてパツド１１が
配設され、ブラケツト９から取付部１４の取付ボ
ス１５にタツピングねじ２２が螺着され、ステア
リングホイール本体１にパツド１１が固着されて
いる。 A pad 11 is disposed to cover the boss portion 2 and spoke portions 5 of the steering wheel body 1, and a tapping screw 22 is screwed into the mounting boss 15 of the mounting portion 14 from the bracket 9, so that the pad is attached to the steering wheel body 1. 11 is fixed.
また、上記ボス部２の中心にステアリングシヤ
フト２３が嵌挿され、このステアリングシヤフト
２３の上端部は上記パツド１１の帽状部２０内に
位置してナツト２４で固着されている。 Further, a steering shaft 23 is fitted into the center of the boss portion 2, and the upper end portion of the steering shaft 23 is located within the cap-shaped portion 20 of the pad 11 and fixed with a nut 24.
つぎに、作動を第４図および第５図を参照して
説明する。 Next, the operation will be explained with reference to FIGS. 4 and 5.
車輛の衝突時に、二次衝突として運転者の頭部
などがパツド１１の上面部１２に激突すると、中
空状のパツド１１の内部の空気が圧縮され、さら
に空気流通孔２１から空気が流出し、反動を生ず
ることなくスムーズに第一次エネルギーを吸収
し、第５図のような状態となる。 When the driver's head or the like hits the upper surface 12 of the pad 11 as a secondary collision during a vehicle collision, the air inside the hollow pad 11 is compressed, and further air flows out from the air circulation hole 21. The primary energy is absorbed smoothly without any reaction, resulting in the state shown in Figure 5.
ついで、蛇腹状の屈折部１９の外側の底部１９
ａと頂部１９ｂとがスポーク芯金３とパツド１１
の上面部１２に当接した後は、第６図に示すよう
に、屈折部１９を次々と押漬しながらスポーク芯
金３を水平方向に折曲させ、これらの段階的な変
形動作によつて二次的にエネルギーを有効に吸収
する。 Next, the outer bottom part 19 of the bellows-shaped bent part 19
a and the top part 19b are the spoke core metal 3 and the pad 11
After contacting the upper surface portion 12, as shown in FIG. 6, the spoke core metal 3 is bent in the horizontal direction while pressing the bent portions 19 one after another, and these stepwise deformation operations are performed. This effectively absorbs energy in a secondary manner.
なお、実施にあたつて、パツド１１の上面部１
２の外面に外皮を設けてもよい。 In addition, in carrying out, the upper surface part 1 of the pad 11
An outer skin may be provided on the outer surface of 2.
本発明によれば、車輛の衝突による運転者の二
次衝突でパツドに衝撃力が作用したとき、中空状
で空気流通孔を有するパツドにおける空気圧縮抵
抗で一次的に大きな衝撃力を吸収することがで
き、さらに、パツドの変形に伴う屈折部の段階的
押し漬し動作により二次的に衝撃を有効に吸収す
ることができ、したがつて、運転者に損傷を与え
る程度の反力を生じることなく、衝撃エネルギー
を十分に吸収して安全に使用することができる。 According to the present invention, when an impact force is applied to the pad due to a secondary collision of the driver due to a vehicle collision, the large impact force is primarily absorbed by the air compression resistance in the pad that is hollow and has air circulation holes. Furthermore, the impact can be effectively absorbed secondary by the gradual pushing action of the bending part due to the deformation of the pad, thus generating a reaction force that can cause damage to the driver. It can be used safely by sufficiently absorbing impact energy.
また、パツドはブロー成形により中空状に一体
に形成でき、容易かつ安価に製造することができ
る。 Further, the pad can be integrally formed into a hollow shape by blow molding, and can be easily and inexpensively manufactured.
第１図は本発明のステアリングホイールの一実
施例を示す平面図、第２図は第１図−部の断
面図、第３図は第２図部の拡大断面図、第４図
は第２図−部の断面図、第５図および第６図
は作動状態を示す断面図である。
１…ステアリングホイール本体、２…ボス部、
３…スポーク部、８…グリツプ部、１１…パツ
ド、１９…屈折部、２１…空気流通孔。
FIG. 1 is a plan view showing an embodiment of the steering wheel of the present invention, FIG. 2 is a sectional view of the section shown in FIG. 1, FIG. 3 is an enlarged sectional view of the section shown in FIG. 5 and 6 are cross-sectional views showing the operating state. 1...Steering wheel body, 2...Boss part,
3... Spoke part, 8... Grip part, 11... Pad, 19... Bent part, 21... Air circulation hole.
Claims (1)
るステアリングホイール本体と、このステアリン
グホイール本体上に設けられた衝撃吸収パツドと
を備え、上記衝撃吸収パツドは、合成樹脂で中空
状に一体に形成し、上記ステアリングホイール本
体側において内方に同心的に突出した環状の蛇腹
状をなす屈折部を形成するとともに、空気流通孔
を形成したことを特徴とするステアリングホイー
ル。 ２ 衝撃吸収パツドは、合成樹脂中空ブロー成形
品であることを特徴とする特許請求の範囲第１項
記載のステアリングホイール。[Scope of Claims] 1. A steering wheel body having a boss portion, a spoke portion, and a grip portion, and a shock absorbing pad provided on the steering wheel body, the shock absorbing pad being made of synthetic resin and having a hollow shape. A steering wheel characterized in that the steering wheel is integrally formed and has an annular bellows-shaped bent portion concentrically protruding inward on the steering wheel body side, and an air circulation hole. 2. The steering wheel according to claim 1, wherein the shock absorbing pad is a synthetic resin hollow blow molded product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15341681A JPS5853561A (en) | 1981-09-28 | 1981-09-28 | Steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15341681A JPS5853561A (en) | 1981-09-28 | 1981-09-28 | Steering wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5853561A JPS5853561A (en) | 1983-03-30 |
| JPS6257543B2 true JPS6257543B2 (en) | 1987-12-01 |
Family
ID=15562014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15341681A Granted JPS5853561A (en) | 1981-09-28 | 1981-09-28 | Steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5853561A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4893521A (en) * | 1986-02-14 | 1990-01-16 | Toyoda Gosei Co., Ltd. | Steering wheel |
| JPH0466369A (en) * | 1990-07-09 | 1992-03-02 | Toyoda Gosei Co Ltd | Steering wheel |
| DE4417835A1 (en) * | 1994-05-20 | 1995-11-23 | Lignotock Gmbh | Shock absorber to improve safety in passenger compartments of motor vehicles |
| IT236740Y1 (en) * | 1995-03-16 | 2000-08-17 | Momo Spa | MOTOR VEHICLE STEERING WHEEL EQUIPPED WITH AIR CUSHION PROTECTION DEVICE |
-
1981
- 1981-09-28 JP JP15341681A patent/JPS5853561A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5853561A (en) | 1983-03-30 |
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