DISSIMILAR MATERIAL COUPLING STRUCTURE AND METHOD FOR MANUFACTURING DISSIMILAR MATERIAL COUPLING STRUCTURE

To easily secure coupling strength when a metal member and a resin member are coupled to each other by plastic flow.SOLUTION: A dissimilar coupling structure is for coupling a metal member and a resin member, wherein a fitting hole to which the other is fit is formed in one of the metal member and t...

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Bibliographische Detailangaben
Hauptverfasser: MURAKAMI HIROYA, SUZUKI YUKINORI, DAIBA FUMIYA, KAWAME NOBUYUKI, WATABE MASASHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To easily secure coupling strength when a metal member and a resin member are coupled to each other by plastic flow.SOLUTION: A dissimilar coupling structure is for coupling a metal member and a resin member, wherein a fitting hole to which the other is fit is formed in one of the metal member and the resin member, a resin step part which escapes in the radial direction from the inner peripheral surface of the fitting hole and is recessed in the axial direction of the fitting hole is formed in the resin member, and the metal member has a plastic flow part for engaging the resin step part.SELECTED DRAWING: Figure 3 【課題】金属部材と樹脂部材とを塑性流動により結合する際に、結合強度を確保し易くする。【解決手段】異材結合構造は、金属部材と樹脂部材とを結合する異材結合構造であって、前記金属部材と前記樹脂部材の一方には、他方が嵌合する嵌合孔が形成され、前記樹脂部材には、前記嵌合孔の内周面から径方向に逃げると共に前記嵌合孔の軸方向に凹んだ樹脂段差部が形成され、前記金属部材は、前記樹脂段差部を係止する塑性流動部を有する。【選択図】図3