PROBLEM TO BE SOLVED: To obtain a spare tire accommodation part structure which can reduce a muffled sound accompanied by the vibration of a floor panel while making compatible both versatility and the suppression of a cost increase.SOLUTION: A spare tire accommodation part has a gap-narrowing member 54 in which a rear face part 54D along a tread face 68A of a spare tire 32 is formed, and the gap-narrowing member 54 is arranged in a gap between a floor cross member 26 and the spare tire 32. Therefore, a contact portion contacting with the rear face part 54D of the tread part 68 of the spare tire 32 is made to function as a spring which is arranged in parallel with a spring of a vibration system which is constituted of the spare tire 32 and a rear floor panel 18. The gap-narrowing member 54 is attachable and detachable to/from the floor cross member 26. By this constitution, even if kinds of tires employed as the spare tire 32 are different from one another, a resonance frequency of the vibration system can be raised without changing a constitution of the rear floor panel 18 by replacing the gap-narrowing member 54.SELECTED DRAWING: Figure 1

    【課題】汎用性とコストアップの抑制とを両立させつつフロアパネルの振動に伴うこもり音を低減することができるスペアタイヤ収納部構造を得る。【解決手段】スペアタイヤ32のトレッド面68Aに沿う後面部54Dが設けられた隙詰め部材54を有しており、当該隙詰め部材54がフロアクロスメンバ26とスペアタイヤ32との隙間に配置されている。このため、スペアタイヤ32のトレッド部68における後面部54Dとの接触部分を、スペアタイヤ32及びリヤフロアパネル18で構成された振動系のバネに対して並列に配置されるバネとして機能させることができる。また、隙詰め部材54は、フロアクロスメンバ26に対して着脱可能とされている。このため、スペアタイヤ32に採用されるタイヤの種類が異なっても、隙詰め部材54を交換することで、リヤフロアパネル18の構成を変更することなく、上記振動系の共振周波数を高めることができる。【選択図】図1


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    Titel :

    SPARE TIRE ACCOMMODATION PART STRUCTURE


    Weitere Titelangaben:

    スペアタイヤ収納部構造


    Beteiligte:

    Erscheinungsdatum :

    23.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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