To suppress coming off of a tire wheel from a wheel hub.SOLUTION: A tire wheel 20 includes: bolt holes 41a through each of which a hub bolt passes; and wheel openings 24 formed between the bolt hole and an outer peripheral edge of the tire wheel. The tire wheel is fixed to an axle hub, by means of wheel nuts screwed with the hub bolts passing through the bolt holes. The tire wheel comprises a wheel cover 100 that covers an outer side surface in a vehicle width direction of the tire wheel. The wheel cover includes: female screw holes 115 provided corresponding to the positions of the wheel nuts; locking members 114 engaged with the wheel opening part and locking the wheel cover to the tire wheel; and wheel cover bolts 130 that are fastened to the female screw hole and advance in an axial direction to press, at a tip part thereof, an end part of the wheel nut, so as to apply locking force to the locking member by using reaction force of the wheel nut. Therein, a fastening rotation direction of the wheel cover bolt is set to be opposite to a fastening rotation direction of the wheel nut.SELECTED DRAWING: Figure 1
【課題】タイヤホイールのホイールハブから離脱を抑制する。【解決手段】タイヤホイール20は、ハブボルトが貫通するボルト穴41aと、ボルト穴とタイヤホイールの外周縁との間に形成されたホイール開口部24とを有し、ボルト穴を貫通したハブボルトと螺合されるホイールナットにより、タイヤホイールがアクスルハブに固定され、タイヤホイールの車両の車幅方向外側面を覆うホイールカバー100を備える。ホイールカバーは、ホイールナットの位置に対応して設けられた雌ネジ穴115と、ホイール開口部に係合されホイールカバーをタイヤホイールへ係止させる係止部材114と、雌ネジ穴に締結され軸方向に進んで先端部でホイールナットの端部を押圧し、ホイールナットの反力を利用して係止部材に係止力を与えるホイールカバーボルト130とを有し、ホイールカバーボルトの締結回転方向が、ホイールナットの締結回転方向とは逆向きに設定される。【選択図】図1
WHEEL COME-OFF PREVENTION STRUCTURE OF TIRE WHEEL
タイヤホイールの脱輪防止構造
2024-07-04
Patent
Electronic Resource
Japanese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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