JPH0561143B2 - - Google Patents
Info
- Publication number
- JPH0561143B2 JPH0561143B2 JP29612786A JP29612786A JPH0561143B2 JP H0561143 B2 JPH0561143 B2 JP H0561143B2 JP 29612786 A JP29612786 A JP 29612786A JP 29612786 A JP29612786 A JP 29612786A JP H0561143 B2 JPH0561143 B2 JP H0561143B2
- Authority
- JP
- Japan
- Prior art keywords
- core metal
- rim
- spoke
- core
- shaped
- 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
- 239000002184 metal Substances 0.000 claims description 77
- 229910052751 metal Inorganic materials 0.000 claims description 77
- 150000002739 metals Chemical class 0.000 claims description 16
- 238000003466 welding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Steering Controls (AREA)
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、ステアリングホイールの芯金に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a core metal of a steering wheel.
（従来の技術）
ステアリングホイールの芯金構造としては、例
えば実開昭60−104368号公報に示されているよう
に、中空のリム芯金の外面に有底溝部を設け、こ
の有底溝部に板状のスポーク芯金の端末部を嵌挿
して両芯金を結合したものがある。(Prior art) As shown in Utility Model Application Publication No. 60-104368, for example, the core structure of a steering wheel is such that a bottomed groove is provided on the outer surface of a hollow rim core. There is one in which both core metals are joined by inserting the end portions of a plate-shaped spoke core metal.
この芯金構造では、リム芯金と板状のスポーク
芯金の結合部の強度を高めるには有効であるが、
スポーク芯金の板厚が異なる場合やスポーク芯金
が棒状の場合などには、その各種のスポーク芯金
に対応してリム芯金をそれぞれ形成する必要があ
り、しかも、スポーク芯金が棒状の場合には、そ
の棒状のスポーク芯金の端末部を嵌挿するために
リム芯金の径が大きくなる。 This core metal structure is effective in increasing the strength of the joint between the rim core metal and the plate-shaped spoke core metal, but
In cases where the spoke core metals have different plate thicknesses or are rod-shaped, it is necessary to form rim core metals corresponding to each type of spoke core metal. In this case, the diameter of the rim core metal becomes large in order to fit the end portion of the rod-shaped spoke core metal.
また、例えば実開昭56−57171号公報に示すよ
うに、棒状のスポーク芯金とリム芯金の結合強度
を高めるために、ブラケツトや注型パイプを用い
て連結するものである。 Further, as shown in Japanese Utility Model Application Publication No. 56-57171, for example, a bracket or a cast pipe is used to connect the rod-shaped spoke core metal and the rim core metal to increase the bonding strength.
しかし、この芯金構造では、ブラケツトや注型
パイプを用いるため部品点数が多くなりコストが
高くなる。 However, this core metal structure uses a bracket and a cast pipe, which increases the number of parts and increases the cost.
（発明が解決しようとする問題点）
上記のように、従来の芯金構造では、リム芯金
とスポーク芯金の結合部の強度を高めるために、
リム芯金に有底溝部を設けた場合には各種のスポ
ーク芯金に応じて各種のリム芯金を形成する必要
があるため生産コストが高くなり、また、ブラケ
ツトや注型パイプを用いた場合には部品点数が多
くなることからコストが高くなる。(Problems to be Solved by the Invention) As mentioned above, in the conventional core metal structure, in order to increase the strength of the joint between the rim core metal and the spoke core metal,
If the rim core metal is provided with a bottomed groove, it is necessary to form various rim core metals according to the various spoke core metals, which increases production costs, and if a bracket or cast pipe is used. Since the number of parts increases, the cost increases.
本発明は上述のような問題点に鑑みなされたも
ので、１種類のリム芯金を板状や棒状等の各種の
スポーク芯金を用いたステアリングホイールに共
用でき、そのリム芯金の共通化により生産コスト
の低減を図れ、しかも、リム芯金自体の強度およ
びリム芯金とスポーク芯金との結合強度をも強く
できるステアリングホイールの芯金を提供するこ
とを目的とするものである。 The present invention was made in view of the above-mentioned problems, and it is possible to use one type of rim core metal in steering wheels using various spoke core metals such as plate-shaped and rod-shaped spoke core metals, and to make the rim core metal common. It is an object of the present invention to provide a core metal for a steering wheel, which can reduce production costs and also strengthen the strength of the rim core metal itself and the strength of the connection between the rim core metal and the spoke core metal.
（問題点を解決するための手段）
本発明は、円環状のリム芯金７、スポーク芯金
５，６およびボス２からなるステアリングホイー
ルの芯金において、上記リム芯金７は、内周側に
拡開開口する複数の嵌合段部９ａ，９ｂによつ
て、各種のスポーク芯金５，６の端末部５ａ，６
ａが嵌挿可能とする複数の凹部８ａ，８ｂを内周
側に開口間隙が順に大きくなるように形成したも
のである。
(Means for Solving the Problems) The present invention provides a steering wheel core metal comprising an annular rim core metal 7, spoke core metals 5 and 6, and a boss 2, in which the rim core metal 7 is located on the inner circumferential side. The terminal portions 5a, 6 of various spoke core metals 5, 6 are formed by a plurality of fitting step portions 9a, 9b which are opened wide.
A plurality of recesses 8a and 8b into which the recesses 8a and 8b can be inserted are formed so that the opening gaps become larger in order on the inner peripheral side.
（作用）
本発明は、リム芯金７に対して、例えば板状の
スポーク芯金６をリム芯金７の外周側の開口間隙
の小さい凹部８ａに嵌挿して結合し、また、例え
ば棒状のスポーク芯金５をリム芯金７の内周側の
開口間隙の大きい凹部８ｂに嵌挿して結合するよ
うにして、各種のスポーク芯金５，６を結合する
ものである。(Function) The present invention connects, for example, a plate-shaped spoke core metal 6 to the rim core metal 7 by fitting it into a recess 8a with a small opening gap on the outer peripheral side of the rim core metal 7, and also connects, for example, a rod-shaped spoke core metal 6. The various spoke core metals 5 and 6 are connected by fitting the spoke core metal 5 into a recess 8b with a large opening gap on the inner peripheral side of the rim core metal 7.
（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.
第１図および第２図において、１は芯金状態の
ステアリングホイールで、ボス２と、円環状のリ
ム部３と、このボス２とリム部３とを連結するス
ポーク部４とから構成されている。 In FIGS. 1 and 2, reference numeral 1 designates a steering wheel in the form of a core metal, which is composed of a boss 2, an annular rim portion 3, and spoke portions 4 connecting the boss 2 and the rim portion 3. There is.
上記スポーク部４は、断面円形の棒状のスポー
ク芯金５と板状のスポーク芯金６とを備えてい
る。この一方の棒状のスポーク芯金５は、中間部
がボス２のフランジ部２ａの下部に抵抗溶接等に
よつて固定され、両端の端末部５ａがリム部３の
円弧に沿つて折曲されてそのリム部３に固定さ
れ、また、もう一方の板状のスポーク芯金６は、
内端がボス２のフランジ部２ａの下部に抵抗溶接
等によつて固定され、外端の端末部６ａがリム部
３の円弧に沿つて幅広に形成されてそのリム部３
に固定されている。 The spoke portion 4 includes a rod-shaped spoke core metal 5 with a circular cross section and a plate-shaped spoke core metal 6. One of the rod-shaped spoke core metals 5 has an intermediate portion fixed to the lower part of the flange portion 2a of the boss 2 by resistance welding or the like, and terminal portions 5a at both ends bent along the arc of the rim portion 3. The other plate-shaped spoke core metal 6 is fixed to the rim part 3.
The inner end is fixed to the lower part of the flange part 2a of the boss 2 by resistance welding or the like, and the outer end terminal part 6a is formed wide along the arc of the rim part 3.
is fixed.
上記リム部３は円環状のリム芯金７を備え、こ
のリム芯金７は、第３図および第４図にも示すよ
うに、内周側に開口する間隙の小さい凹部８ａお
よび間隙の大きい凹部８ｂを備えた嵌合段部９ａ
および９ｂが内周側に順に拡開して形成され、そ
して、第３図のように、上記棒状のスポーク芯金
５の端末部５ａが凹部８ｂに嵌挿されるとともに
嵌合段部９ｂに上下方向からの抵抗溶接等によつ
て固定され、また、第４図のように、上記板状の
スポーク芯金６の端末部６ａが凹部８ａに嵌挿さ
れるとともに嵌合段部９ａに上下方向からの抵抗
溶接等によつて固定されている。なお、リム芯金
７の両端部はスポーク芯金６の端末部６ａに位置
する。 The rim portion 3 includes an annular rim core 7, which has a concave portion 8a with a small gap and a concave portion 8a with a large gap opening toward the inner circumference, as shown in FIGS. 3 and 4. Fitting stepped portion 9a with recess 8b
and 9b are formed by sequentially expanding toward the inner circumferential side, and as shown in FIG. It is fixed by resistance welding or the like from the direction, and as shown in FIG. It is fixed by resistance welding, etc. Note that both ends of the rim core metal 7 are located at the end portions 6a of the spoke core metal 6.
そうして、このステアリングホイール１は、１
つのリム芯金７によつて種類の異なるスポーク芯
金５，６の端末部５ａ，６ａを結合することがで
き、そのリム芯金７の各凹部８ｂ，８ａへの各ス
ポーク芯金５，６の端末部５ａ，６ａの嵌挿によ
り結合強度が強いとともに、複数の嵌合段部９
ａ，９ｂによつてリム芯金７自体の強度も強い。 Then, this steering wheel 1 is 1
The end portions 5a, 6a of spoke core metals 5, 6 of different types can be connected by the two rim core metals 7, and each spoke core metal 5, 6 can be connected to each concave portion 8b, 8a of the rim core metal 7. The coupling strength is strong due to the fitting of the terminal parts 5a and 6a, and the plurality of fitting steps 9
The strength of the rim core metal 7 itself is also strong due to a and 9b.
なお、上記実施例では、リム芯金７に対して棒
状のスポーク芯金５と板状のスポーク芯金６を結
合したステアリングホイール１であるが、棒状の
スポーク芯金５のみのステアリングホイール１あ
るいは板状のスポーク芯金６のみのステアリング
ホイール１にもそのリム芯金７を共用して利用で
き、そのため、リム芯金７の共通化を図れ、生産
コストの低減を図ることができる。 In the above embodiment, the steering wheel 1 has a rod-shaped spoke core 5 and a plate-shaped spoke core 6 connected to the rim core 7, but the steering wheel 1 has only the rod-shaped spoke core 5 or The rim core metal 7 can also be used in the steering wheel 1 having only the plate-shaped spoke core metal 6, so that the rim core metal 7 can be used in common, and production costs can be reduced.
また、上記棒状のスポーク芯金５の端末部５ａ
をリム芯金７に沿つて折曲させずに、第５図のよ
うに、スポーク芯金５の端末部５ａの先端をリム
芯金７の凹部８ｂに嵌挿して嵌合段部９ｂに上下
方向からの抵抗溶接等によつて固定するようにし
てもよい。 Further, the terminal portion 5a of the rod-shaped spoke core metal 5
Without bending the spoke core metal along the rim core metal 7, as shown in FIG. It may be fixed by resistance welding or the like from the direction.
また、上記リム芯金７は、第６図および第７図
のように、内周方向が幅広間隙となる複数の凹部
８ａ，８ｂ，８ｃを備えた嵌合段部９ａ，９ｂ，
９ｃを形成することにより、径の異なる棒状の各
スポーク芯金５でも結合固定できる。 Further, as shown in FIGS. 6 and 7, the rim core metal 7 includes fitting stepped portions 9a, 9b, which are provided with a plurality of recesses 8a, 8b, 8c with wide gaps in the inner circumferential direction.
By forming 9c, rod-shaped spoke core metals 5 having different diameters can also be connected and fixed.
本発明によれば、リム芯金に各種のスポーク芯
金が嵌挿可能とする複数の凹部を内周側に開口間
隙が順に大きくなるように形成したので、１種類
のリム芯金を板状や棒状等の各種のスポーク芯金
を用いるステアリングホイールに共用することが
でき、そのリム芯金の共通化によつて生産コスト
の低減を図れ、しかも、複数の嵌合段部によつて
リム芯金自体の強度を強くできるとともにリム芯
金とスポーク芯金との結合強度を強くできる。
According to the present invention, a plurality of recesses into which various spoke core metals can be fitted are formed on the inner periphery side so that the opening gaps become larger in order, so that one type of rim core metal can be shaped into a plate. It can be used commonly in steering wheels that use various types of spoke core metal, such as rim core metal, rod-shaped, etc., and production costs can be reduced by standardizing the rim core metal.Moreover, the rim core can be The strength of the metal itself can be increased, and the strength of the bond between the rim core metal and the spoke core metal can be increased.
第１図は本発明のステアリングホイールの芯金
の一実施例を示す平面図、第２図はその側面図、
第３図および第４図はそれぞれその一部断面図、
第５図はそのスポーク芯金の変形例を示す一部断
面図、第６図および第７図はそれぞれ本発明の他
の実施例を示す一部断面図である。
２……ボス、５，６……スポーク芯金、５ａ，
６ａ……端末部、７……リム芯金、８ａ，８ｂ，
８ｃ……凹部、９ａ，９ｂ，９ｃ……嵌合段部。
FIG. 1 is a plan view showing an embodiment of the steering wheel core metal of the present invention, FIG. 2 is a side view thereof,
Figures 3 and 4 are partial cross-sectional views, respectively.
FIG. 5 is a partial sectional view showing a modified example of the spoke core metal, and FIGS. 6 and 7 are partial sectional views showing other embodiments of the present invention. 2... Boss, 5, 6... Spoke core metal, 5a,
6a...terminal part, 7...rim core bar, 8a, 8b,
8c...Recessed portion, 9a, 9b, 9c... Fitting stepped portion.
Claims (1)
からなるステアリングホイールの芯金において、 上記リム芯金は、内周側に拡開開口する複数の
嵌合段部によつて、各種のスポーク芯金の端末を
嵌挿可能とする複数の凹部を内周側に開口間隙が
順に大きくなるように形成したことを特徴とする
ステアリングホイールの芯金。[Scope of Claims] 1. In a steering wheel core metal comprising an annular rim core metal, a spoke core metal, and a boss, the rim core metal has a plurality of fitting stepped portions that widen toward the inner circumference. A core metal for a steering wheel, characterized in that a plurality of recesses into which the ends of various spoke core metals can be inserted are formed on the inner circumferential side so that the opening gaps become larger in order.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29612786A JPS63149256A (en) | 1986-12-12 | 1986-12-12 | Core bar for steering wheel |
| US07/130,720 US4892006A (en) | 1986-12-12 | 1987-12-08 | Steering wheel rim core and elongated blank therefor |
| CA000553737A CA1300469C (en) | 1986-12-12 | 1987-12-08 | Steering wheel rim core and elongated blank therefor |
| GB8728778A GB2200332B (en) | 1986-12-12 | 1987-12-09 | Improvements in and relating to steering wheel rim cores and elongate blanks therefor |
| DE19873742125 DE3742125A1 (en) | 1986-12-12 | 1987-12-11 | TAX OR STEERING WHEEL CORE AND LONG-EXTENDED PIPE HERE |
| KR1019870014212A KR910002147B1 (en) | 1986-12-12 | 1987-12-12 | Steering wheel rim core and elengated blank therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29612786A JPS63149256A (en) | 1986-12-12 | 1986-12-12 | Core bar for steering wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149256A JPS63149256A (en) | 1988-06-22 |
| JPH0561143B2 true JPH0561143B2 (en) | 1993-09-03 |
Family
ID=17829488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29612786A Granted JPS63149256A (en) | 1986-12-12 | 1986-12-12 | Core bar for steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149256A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4869308B2 (en) * | 2008-09-03 | 2012-02-08 | 株式会社神鋼環境ソリューション | Sand lifting equipment |
| JP5187339B2 (en) * | 2010-03-30 | 2013-04-24 | 豊田合成株式会社 | Steering wheel |
-
1986
- 1986-12-12 JP JP29612786A patent/JPS63149256A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63149256A (en) | 1988-06-22 |
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