| 摘要 |
PURPOSE: A reinforcing structure of a front wheelhouse and a dash panel is provided to reduce the vibration occurred to a vehicle and to improve the riding comfort and safety of a passenger in a vehicle. CONSTITUTION: Front wheelhouses(10) are installed to both front sides of a vehicle. A dash panel(20) is installed at the rear end of the front wheelhouse. A side of a reinforcing plate(30) is contacted with a wheelhouse member(15) welded to the front wheelhouse to improve rigidity of the dash panel, a dash lower member(25), and the front wheelhouse welded to the dash. The reinforcing plate is welded to the dash panel, dash lower member, and wheelhouse member by spot welding. The forced board frequency produced in idling of the engine and the resonant frequency in bending mode of the dash panel and front wheelhouse are separated and the riding comfort and the safety are improved while the vibration is reduced.
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