JPS63159374U

JPS63159374U -

Info

Publication number: JPS63159374U
Application number: JP7970387U
Authority: JP
Priority date: 1986-11-05
Filing date: 1987-05-26
Publication date: 1988-10-19

Description

[Brief explanation of the drawing]

第１図は、本考案の第１の実施例のステアリン
グホイール芯材にに使用するボス金具の斜視図、
第２図は、第１図の縦断面図、第３図および第４
図は、第１の実施例のステアリングホイール芯材
の使用状態を示す横断面図、第５図は、第１の実
施例のステアリングホイール芯材で製造したステ
アリングホイールの使用時のトルクと捩り角の関
係を示す図、第６図は、弾性部材による捩り剛性
を６５Ｎ・ｍ／ｒａｄに設定した第１の実施例の
ステアリングホイール芯材で製造したステアリン
グホイールのトルクと捩り角の関係を実験的に求
めた図、第７図は、第６図を求めた実験に用いた
ステアリングホイールのフラツタレベルを従来の
ものおよび鉄芯のものとで比較した図、第８図は
、フラツタレベルを測定するときに使用される、
加速センサが取付けられたステアリングホイール
の正面図、第９図は、第６図を求めた実験に用い
たステアリングホイールの周波数特性を調べるた
めの加振位置を示す図、第１０図は、第１の実施
例のステアリングホイール芯材で製造したステア
リングホイールおよび従来のステアリングホイー
ルを第９図で示した位置を加振したときの周波数
特性を示す図、第１１図は、第２の実施例のステ
アリングホイール芯材に使用するボス金具の縦断
面図、第１２図は、第６図のボス金具を用いて製
造したステアリングホイールの使用時のトルクと
捩り角の関係を示す図、第１３図は、第３の実施
例のステアリングホイール芯材に使用するボス金
具の縦断面図、第１４図は、第４の実施例のステ
アリングホイール芯材に使用するボス金具の縦断
面図、第１５図は、ステアリングホイール芯材の
一例を示す斜視図、第１６図は、ステアリングホ
イール芯材の製造装置の一例を示す分解斜視図、
第１７図は、第１１図の製造装置の作動時の正面
図である。１…ステアリングホイール芯材、１０，１８，
２２，２４…ボス金具、１３，１９，２５…胴部
、１５…平面部、１７…ＦＲＰ（連続繊維）、１
６，２１，２３，２７…弾性部材。 FIG. 1 is a perspective view of a boss metal fitting used in a steering wheel core material according to a first embodiment of the present invention;
Figure 2 is a longitudinal sectional view of Figure 1, Figures 3 and 4.
The figure is a cross-sectional view showing how the steering wheel core material of the first example is used, and FIG. 5 is the torque and torsion angle when the steering wheel manufactured using the steering wheel core material of the first example is used. FIG. 6 is a diagram showing the relationship between the torque and torsion angle of a steering wheel manufactured using the steering wheel core material of the first example in which the torsional rigidity of the elastic member is set to 65 N m/rad. Fig. 7 is a comparison of the flutter level of the steering wheel used in the experiment to obtain Fig. 6 between a conventional steering wheel and a steering wheel with an iron core. Fig. 8 is a comparison of the flutter level when measuring the flutter level. used,
FIG. 9 is a front view of the steering wheel to which the acceleration sensor is attached, and FIG. A diagram showing frequency characteristics when a steering wheel manufactured using the steering wheel core material of the second embodiment and a conventional steering wheel are vibrated at the positions shown in FIG. FIG. 12 is a vertical cross-sectional view of the boss metal fitting used for the wheel core material, and FIG. 13 is a diagram showing the relationship between torque and torsion angle when a steering wheel manufactured using the boss metal fitting shown in FIG. 6 is used. FIG. 14 is a vertical cross-sectional view of a boss metal fitting used in the steering wheel core material of the third embodiment, and FIG. 15 is a vertical cross-sectional view of a boss metal fitting used in the steering wheel core material of the fourth example. FIG. 16 is a perspective view showing an example of a steering wheel core material; FIG. 16 is an exploded perspective view showing an example of a steering wheel core manufacturing apparatus;
FIG. 17 is a front view of the manufacturing apparatus of FIG. 11 during operation. 1... Steering wheel core material, 10, 18,
22, 24... Boss metal fitting, 13, 19, 25... Body part, 15... Plane part, 17... FRP (continuous fiber), 1
6, 21, 23, 27...Elastic member.

Claims

[Scope of Claim for Utility Model Registration] (1) A continuous fiber impregnated with resin is wound around a ring part forming jig and a boss metal fitting located at the axis of the ring part forming jig in order to form a ring part. , boss section,
In the steering wheel core material in which spoke portions are formed, a flat portion is formed on the outer periphery of a body portion around which the continuous fibers of the boss metal fitting are wound, and further, an elastic portion is formed between the body portion and the continuous fibers. A steering wheel core material characterized by interposing a member. (2) Torsional rigidity due to elastic member is 30 to 300N
- The steering wheel core material according to claim 1, which is within the range of m/rad.