PROBLEM TO BE SOLVED: To provide an automobile wheel mounting bolt which allows replacement of a sleeve only without the need to exchange the whole bolt, when exchanging an automobile wheel or when damage has been applied to a sleeve surface of the bolt, and therefore is superior in cost-saving properties.SOLUTION: Provided is a bolt in which a bolt body and a sleeve are separate. A bolt body 1 includes: a hexagonal columnar head part 11; a circular flange 12; a cylindrical part 13; and a screw part 14. A sleeve 2 includes: a flange contacting face 21; an inclined face 22 closely attached to a seating face of a wheel; and an open hole which penetrates internally in an axial direction, and in which a female screw is formed on its inner wall. The bolt body 1 is inserted into and removed from the open hole of the sleeve 2 and makes the sleeve 2 attachable/detachable relative to the bolt body 1. The sleeve 2 is conformed to the seating face on a wheel side, and the inclined face 22 is prepared with three kinds including a tapered face, an R13 spherical face, and an R14 spherical face.SELECTED DRAWING: Figure 4
【課題】自動車のホイールの交換時や、ボルトのスリーブ表面に傷が生じた時に、ボルト全体を交換する必要がなく、スリーブのみを交換可能である、省コスト性に優れた自動車用ホイール取付けボルトを提供する。【解決手段】ボルト本体とスリーブとが分離しているボルトであって、ボルト本体1は、六角柱状の頭部11と、円形状のフランジ12と、円筒部13と、螺子部14とを有する。スリーブ2は、対フランジ着接面21と、ホイールの座面と密着する傾斜面22と、軸方向に内部を貫通する貫通孔とを有し、貫通孔の内壁には雌螺子が形成されている。スリーブ2の貫通孔にボルト本体1を挿脱させることにより、スリーブ2はボルト本体1に対して着脱自在であり、スリーブ2は、ホイール側の座面に合わせて、傾斜面22が、テーパー面、R13球面、R14球面となっている3種類が用意されている。【選択図】図4
AUTOMOBILE WHEEL MOUNTING BOLT
自動車用ホイールの取付けボルト
2017-12-14
Patent
Electronic Resource
Japanese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |
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