PROBLEM TO BE SOLVED: To provide an attachment structure of a steering wheel which can suppress a sink of the steering wheel to a steering shaft even if there is a variation in the formation of a taper.SOLUTION: A steering shaft 6 has a male screw part 61 which is formed sequentially from a tip side, a male serration part 62, and a first male tapered part 63 and a second male tapered part 64 which are expanded in diameters. A female serration part 33, a first female tapered part 34 and a second female tapered part 35 are formed at an internal peripheral face of a boss 3, taper angles of the second male tapered part 64 and the second female tapered part 35 are set larger than those of the first male tapered part 63 and the first female tapered part 34, a tip of the steering shaft 6 is inserted into the boss 3, the first female tapered part 34 and the second female tapered part 35 are fit to the first male tapered part 63 and the second male tapered part 64, respectively, and a nut 3 is screwed into the male screw part 61 which is protruded from the boss 3.

    【課題】テーパの製造バラツキがあっても、ステアリングシャフトに対するステアリングホイールの沈み込みを抑制することができるステアリングホイールの取付構造を提供する。【解決手段】ステアリングシャフト6は、先端側から順に形成される雄ねじ部61と、雄セレーション部62と、拡径する第1雄テーパ部63と、第2雄テーパ部64とを有し、ボス3の内周面には、雌セレーション部33と、第1雌テーパ部34と、第2雌テーパ部35とが形成され、第1雄テーパ部63及び第1雌テーパ部34より第2雄テーパ部64及び第2雌テーパ部35のテーパ角度が大きく形成され、ステアリングシャフト6の先端をボス3に挿通し、第1雌テーパ部34及び第2雌テーパ部35が、第1雄テーパ部63及び第2雄テーパ部64にそれぞれ嵌合し、ボス3から突出した雄ねじ部61にナット3を螺着する。【選択図】図3


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    Title :

    ATTACHMENT STRUCTURE OF STEERING WHEEL


    Additional title:

    ステアリングホイールの取付構造


    Contributors:

    Publication date :

    2015-12-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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