PROBLEM TO BE SOLVED: To provide a steering shaft support structure which suppresses the generation of noise resulting from air circulation.SOLUTION: A rack bush 30 which is supported by an annular elastic member 40 includes a bush main body 50 and a flange part 60 extending to the outside R1 of a radial direction from an end part 51 of the bush main body 50 in a first axial direction in a housing 20. The flange part 60 is positioned at a step part 23 of an internal peripheral face 20a of the housing 20. The bush main body 50 includes a slit 32 in a second axial line extending to a middle part of an axial direction X from an end part 52 in the second axial direction. A gap clearance S communicating with the slit 32 in the second axial direction is formed between the internal peripheral face 20a of the housing 20 and an external peripheral face 50a of the bush main body 50. A recessed groove 61 (communication passage) of the flange part 60 makes a first space P1 (housing-side space) which is formed at a housing end 20e side rather than a rack bush 30 communicate with the gap clearance S in the housing 20.SELECTED DRAWING: Figure 4

    【課題】空気流通に起因する異音発生を抑制する転舵軸支持構造を提供する。【解決手段】ハウジング20内に環状弾性部材40で支持されたラックブッシュ30が、ブッシュ本体50と、ブッシュ本体50の第1軸方向端部51から径方向外方R1に延びる鍔部60とを含む。鍔部60は、ハウジング20の内周20aの段部23に位置決めされる。ブッシュ本体50が、第2軸方向端部52から軸方向Xの途中部まで延びる第2軸方向スリット32を含む。ハウジング20の内周20aとブッシュ本体50の外面50aとの間に、第2軸方向スリット32に連通する隙間空間Sが形成される。鍔部60の凹溝61(連通路)が、ハウジング20内においてラックブッシュ30よりもハウジング端20e側に配置される第1空間P1(ハウジング端側空間)を隙間空間Sに連通する。【選択図】図4


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    Titel :

    STEERING SHAFT SUPPORT STRUCTURE


    Weitere Titelangaben:

    転舵軸支持構造


    Beteiligte:
    IKEDA TETSUO (Autor:in) / SUMIHARA HIDETOSHI (Autor:in) / ABE SATOSHI (Autor:in) / NAKAO RIKA (Autor:in) / KUBOKI KENJI (Autor:in) / SHIROSHITA KANAME (Autor:in)

    Erscheinungsdatum :

    2017-05-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16C SHAFTS , Wellen



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