The invention discloses an automobile back door and an automobile, the automobile back door comprises an inner plate, the inner plate is provided with a plurality of polygonal reinforcing parts, and the polygonal reinforcing parts are sequentially arranged in the left-right direction; wherein a triangular space is defined by part of two adjacent polygonal reinforcing parts and the edge, in the front-back direction, of the inner plate; the outer plate is arranged on the inner plate, and a cavity is defined by the outer plate and the inner plate; the supporting pieces are located in the cavity and used for supporting the outer plate; one end of the supporting piece is arranged on the periphery of the inner plate, and the other end of the supporting piece is arranged on the inner plate away from the periphery. The strength of the inner plate is improved by arranging the polygonal reinforcing parts which are sequentially arranged on the inner plate in the protruding mode, the strength of the inner plate is further improved through the property that the triangular space is stable, the supporting piece is arranged to be used for supporting the outer plate, the vibration attenuation performance of the automobile back door is improved, and vibration roar is weakened.
本发明公开了一种汽车后背门及汽车,汽车后背门包括:内板,内板上设有多个多边形加强部,多个多边形加强部在左右方向上依次排布;其中,部分相邻的两个多边形加强部与内板上前后方向的边沿共同限定出三角形空间;外板,外板设在内板上,且与内板共同限定出空腔;位于空腔内的若干个支撑件,用于支撑外板;其中,支撑件一端设在内板的周沿,另一端设在内板上远离周沿的部位。本发明通过在内板上凸设多个依次排布的多边形加强部增加内板的强度,通过三角形空间较稳定的性质进一步增强内板的强度,且设置支撑件用于支撑外板,提高汽车后背门振动衰减性能,减弱振动轰鸣。
Automobile back door and automobile
汽车后背门及汽车
2023-12-29
Patent
Electronic Resource
Chinese
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