PROBLEM TO BE SOLVED: To provide a vehicle body panel structure excellent in higher sound proof performance and active vibration control performance for achieving a quiet cabin space.SOLUTION: A vehicle body panel structure comprises: an outer panel 13; a fastening member 17 disposed on a rear surface of the outer panel 13; and an active vibration control reinforcement material 15 having a base material layer 15a having active vibration control and sound suction performances, a pair of skin layers 15b, 15c disposed on front and rear surfaces of the base material layer 15a respectively, and plural penetrating holes 18 disposed on the skin layers 15b, 15c with required diameter and pitch and being attached to the rear surface of the outer panel 13 via the fastening member 17.
【課題】静かな車内空間を実現するためにより高い防音性能と制振性能に優れた車体パネル構造を提供する。【解決手段】アウターパネル13と、アウターパネル13の裏面に配設された固着部材17と、制振及び吸音機能を有する基材層15aと,基材層15aの表裏両面に各々積層配置された1対の表皮層15b、15cと,所要の孔径及びピッチで表皮層15b、15cに設けられた複数個の貫通している孔18と,を有してアウターパネル13の裏面に固着部材17を介して取り付けられた制振補強材15と、からなる、車体パネル構造体。【選択図】図2
VEHICLE BODY PANEL STRUCTURE
車体パネル構造体
24.08.2015
Patent
Elektronische Ressource
Japanisch