To provide a frame structure of a chassis which can reduce the generation of a local load applied to a collision object while maintaining the impact absorption performance in the collision of a vehicle.SOLUTION: A frame structure of a chassis (3) supporting a body (2) of a vehicle (1) comprises: a pair of left and right side members (11) which extend in the vehicle cross direction; a bumper frame (17) which is provided so as to extend in the vehicle width direction in ends (11a) on the outer sides in the vehicle cross direction of the side members and has extension sections (21a) that extend to the outer side in the vehicle width direction from the side members; a first cross member (13a) which is provided between the side members and extends in the vehicle width direction; a mount bracket (15) which is provided between the bumper frame of the side members and the first cross member and supports the body; and an extension member (33) which extends toward the outer side in the vehicle width direction from the position of the side members where the mount bracket is provided and extends to the opposing position on the inner side in the vehicle cross direction of the extension sections of the bumper frame.SELECTED DRAWING: Figure 1
【課題】車両の衝突時における衝撃吸収性能を維持しつつ、被衝突体に加わる局所的な荷重の発生を軽減させることができる車台のフレーム構造を提供する。【解決手段】車両(1)のボデー(2)を支持する車台(3)のフレーム構造であって、車両前後方向に延びる左右一対のサイドメンバ(11)と、サイドメンバの車両前後方向外側の端部(11a)に車幅方向に延びて設けられ、サイドメンバより車幅方向外側に延長された延長部(21a)を有するバンパフレーム(17)と、サイドメンバ間に設けられ、車幅方向に延びる第1クロスメンバ(13a)と、サイドメンバのバンパフレームと第1クロスメンバとの間に設けられ、ボデーを支持するマウントブラケット(15)と、サイドメンバのマウントブラケットが設けられる位置から車幅方向外方に向かって延び、バンパフレームの延長部の車両前後方向内側で対向する位置まで延設される延設部材(33)と、を備える。【選択図】図1
FRAME STRUCTURE OF CHASSIS
車台のフレーム構造
2022-07-21
Patent
Elektronische Ressource
Japanisch