To provide a steering shaft and a method for manufacturing a steering shaft capable of securing sealing properties between a seal cap and an outer shaft for a long period of time in consideration of improvement of manufacturing efficiency and cost reduction.SOLUTION: A steering shaft 16 according to an embodiment of the present invention includes an upper shaft 31, a lower shaft, and a seal cap 131. The seal cap 131 includes a seal portion 140 closely contactable with an inner circumferential surface of the upper shaft 31 and a closure portion 141 bulged upward with respect to the seal portion 140. The seal cap 131 is held in an upper opening portion in a state where the closure portion 141 is plastically deformed downward and thereby the seal portion 140 is pressed against the inner circumferential surface of the upper shaft 31.SELECTED DRAWING: Figure 4

    【課題】製造効率の向上及び低コスト化を図った上で、シールキャップとアウタシャフトとの間のシール性を長期に亘って確保できるステアリングシャフト及びステアリングシャフトの製造方法を提供する。【解決手段】本発明の態様に係るステアリングシャフト16は、アッパシャフト31と、ロアシャフトと、シールキャップ131と、を備えている。シールキャップ131は、アッパシャフト31の内周面に密接するシール部140と、シール部140に対して上方に膨出する閉塞部141と、を備えている。シールキャップ131は、閉塞部141が下方に塑性変形させられることで、シール部140がアッパシャフト31の内周面に押し付けられた状態で、上端開口部内に保持されている。【選択図】図4


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    Title :

    STEERING SHAFT AND METHOD FOR MANUFACTURING STEERING SHAFT


    Additional title:

    ステアリングシャフト及びステアリングシャフトの製造方法


    Contributors:

    Publication date :

    2020-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16J Kolben , PISTONS



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