The invention discloses a tail door frame of a vehicle, which relates to the technical field of automobile body in white, including a tail door frame body composed of a tail door frame upper cross beam, a tail door frame D column and a tail door frame lower cross beam. The tail door frame D column is composed of an outer reinforcing plate and an inner plate, with a cavity between the outer reinforcing plate and the inner plate, a sheet metal connector is arranged in the upper cavity of the tail door frame D column, and the shape and thickness of the sheet metal connector. In accordance with the upper cavity of the D-pillar of the tail door frame, the sheet metal connector is welded with the outer reinforcement plate of the D-pillar through three sides, and the fourth side is bonded with the inner plate of the D-pillar of the tail door frame by structural adhesive tape. Compared with the existing technology, the sheet metal connector of the present invention is welded by three sides, and the inner and outer plates of the D-pillar are bonded by one side adhesive, which is simple and feasible and breaks the D-pillar of the tail door frame. The manufacturing technology of the column cavity can not be welded, and the price of the sheet metal connector is much lower than that of the plastic insert, so that the invention can meet the torsional stiffness of the rear door frame of the vehicle on the premise of low cost and simple technology.
【技术实现步骤摘要】
车辆尾门框
本专利技术涉及汽车白车身
,尤其是一种车辆尾门框。
技术介绍
随着汽车技术的发展,如今的汽车研发制造对汽车的耐久性和可靠性要求日益严格。在白车身结构中,D柱尾门框结构处因为其需要布置行李舱空间,对车身来说是一个开口结构,因此其整个环状结构的模态及刚度非常重要,直接影响整个白车身的扭转刚度性能,而现在开发的汽车尾门框在实际车辆使用过程中,由于扭转刚度低,不能承受更大的载荷冲击,常会出现焊点开焊、开裂问题;从以往的结构来看,D柱尾门框的四个边角对其模态及扭转刚度至关重要,传统的车身结构受限于车身布置、焊接工艺、精度控制等原因,往往只能通过增加D柱腔体面积、零件厚度等来实现刚度、模态的提升,效果不明显且重量增加较多。也有的车型通过内部增加结构加强件如塑料嵌件来实现,即将塑料嵌件通过结构胶与D柱的内外板连接,如此连接其效果有所改善但是零件成本太高,价格是普通钣金件的3~5倍;所述的D柱为车辆尾门框的左右两个侧围板。
技术实现思路
本专利技术提供一种车辆尾门框,它可解决现有的车辆尾门框要达到足够的扭转刚度时要么重量增加、要么成本高的问题。为了解决上述技术问题,本专利技术所采用的技术方案是:包括尾门框本体,该尾门框本体由尾门框上横梁、尾门框D柱和尾门框下横梁构成,所述尾门框D柱由外加强板和内板拼合而成,所述外加强板和内板之间设有空腔,所述尾门框D柱上部腔体内设置钣金连接件,该钣金连接件的形状及厚度与所述尾门框D柱上部腔体相适应,该钣金连接件通过其三个侧边与所述D柱外加强板焊接,第四个侧边通过结构胶条与所述尾门框D柱的内板粘接。上述技术方案中,更具体的方案 ...
【技术保护点】
1.一种车辆尾门框,包括尾门框本体,该尾门框本体由尾门框上横梁、尾门框D柱和尾门框下横梁构成,所述尾门框D柱由外加强板和内板拼合而成,所述外加强板和内板之间设有空腔,其特征在于:所述尾门框D柱上部腔体内设置钣金连接件,该钣金连接件的形状及厚度与所述尾门框D柱上部腔体相适应,该钣金连接件通过其三个侧边与所述D柱外加强板焊接,第四个侧边通过结构胶条与所述尾门框D柱的内板粘接。
【技术特征摘要】
1.一种车辆尾门框,包括尾门框本体,该尾门框本体由尾门框上横梁、尾门框D柱和尾门框下横梁构成,所述尾门框D柱由外加强板和内板拼合而成,所述外加强板和内板之间设有空腔,其特征在于:所述尾门框D柱上部腔体内设置钣金连接件,该钣金连接件的形状及厚度与所述尾门框D柱上部腔体相适应,该钣金连接件通过其三个侧边与所述D柱外加强板焊接,第四个侧边通过结构胶条与所述尾门框D柱的内板粘接。2.根据权利要求1所述的车辆尾门框,其...
【专利技术属性】
技术研发人员:刘善英,黄志杰,赵汉兴,陈方根,卿雕,陈祖兴,罗克体,
申请(专利权)人:东风柳州汽车有限公司,
类型:发明
国别省市:广西,45
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。