CN107107848B - 用于车辆的缓冲器系统 - Google Patents
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Abstract
本发明涉及一种用于车辆的缓冲器系统,并且提供了一种用于车辆的缓冲器的系统,该系统包括:缓冲梁,在缓冲梁的每一端具有在前后方向上穿过缓冲梁而形成的紧固孔;碰撞盒,插入到缓冲梁的紧固孔中;以及支架,紧固至缓冲梁,以能够防止碰撞盒分离。因此,该系统能够满足低速碰撞规定和RCAR性能。
Description
技术领域
本发明涉及一种用于车辆的缓冲器系统,并且更具体地,涉及一种满足低速碰撞规定性能和财产保险公司要求性能的用于车辆的缓冲器系统,这两种性能对于地区性团体而彼此不同。
背景技术
通常,用于车辆的缓冲器系统需要满足低速碰撞测试和财产保险监督管理机构(RCAR、IIHS)测试的规定。在这种情况下,对汽车销售具有极大影响的财产保险公司所要求的性能比规定更严苛。例如,在RACR测试中,在两次测试之后,即,执行40%和10度偏置障碍物测试和缓冲器虚拟障碍物测试,相对于车身的损坏计算维修成本,并且两个测试中的一个或两个的性能被区域性地要求。
因此,构成用于车辆的缓冲器系统的缓冲梁和碰撞盒应具有这样一种结构,其中,通过财产保险公司所要求的RCAR测试的40%和10度偏置障碍物测试的挤压/变形/摧毁而最大程度地吸收碰撞能量。因为财产保险公司所要求的性能高,所以大多数制造商已经对缓冲器系统应用高强度复合塑性材料和高强度钢材料。然而,当应用这些材料时,成本的增加与强度的增加成比例。而且,因为每个地区要求的规定性能与财产保险公司所要求的性能彼此不同,所以待开发的缓冲器系统的规格提高。
例如,如图1中示出的,根据销售地区,对于缓冲梁和碰撞盒的规格而言,欧洲缓冲器系统(参见图1中的a部分)、北美缓冲器系统(参见图1中的b部分)和国内缓冲器系统(参见图1中的c部分)不同。
因此,韩国专利注册号10-1327016(在下文中被称为“现有技术1”)中公开了一种用于车辆的碰撞盒,该碰撞盒能够吸收能量,同时该碰撞盒基于震动而被循序撞损。然而,虽然通过使碰撞盒的横截面与构件的横截面相匹配而使得构件损坏最小化,但现有技术1并未具体公开用于将碰撞盒紧固至车身的方法。因此,根据现有技术1,存在必须添加用于紧固车身的附件的问题,这导致实际上难以减少重量。而且,碰撞盒必须从撞击部分(即,前部分)撞损,以防止车身损坏。在现有技术1的情况下,难以容易地引起上述所述特征,而且,由于并未考虑用于拖拉的螺栓的退避孔,所以难以将上述特征商业化。
韩国专利注册号10-1358294(在下文中被称为“现有技术2”)中公开了一种用于车辆的碰撞盒,其中优化了钢质碰撞盒在整体缓冲梁模块系统中的形状。然而,在现有技术2中,虽然碰撞盒从提供碰撞位置的前部分循序受压,但当考虑最新添加的缓冲器障碍物测试时,在现有技术2的应用中仍存在局限性。此外,即使应用,也预期到重量由于缓冲梁的强度的增加而增加。
发明内容
技术问题
为了解决现有技术的上述问题,本发明提供一种用于车辆的缓冲器系统,其能够以低成本满足对于地区性团体而不同的所要求的碰撞性能。
技术解决方案
为了解决上述技术目的,本发明提供一种用于车辆的缓冲器系统,该缓冲器系统包括:缓冲梁,在缓冲梁的两端中的每一端中具有耦接孔,该耦接孔形成为在前后方向上穿过所述缓冲梁;碰撞盒,插入到缓冲梁的耦接孔中;以及支架,耦接至缓冲梁,以防止碰撞盒分离。
在这种情况下,支架包括:耦接部分,固定至缓冲梁的后壁的前部部分;连接部分,从耦接部分弯曲并且固定至缓冲梁的后壁的上部部分;以及防分离部分,从连接部分弯曲并且紧密附接至缓冲梁的后壁的后部部分,以部分地覆盖碰撞盒的后端表面。
在这种情况下,碰撞盒可具有选自于圆柱形状、圆锥形状、多边形柱形状以及多棱锥形状中的一种形状。
在这种情况下,碰撞盒的材料可包含选自于钢、铝、复合塑料中的一种材料。
有益效果
根据本发明,因为对于各个地区的RCAR性能必要的碰撞盒可拆卸地且可分离地耦接至缓冲梁(其集成在一个主体中以满足低速碰撞规定),所以根据各个规范的规定的发明成本和车辆成本明显降低。
附图说明
图1是根据相关技术的用于车辆的缓冲器系统的分解立体图。
图2是根据本发明的优选实施方式的用于车辆的缓冲器系统的立体图。
图3是图2中的用于车辆的缓冲器系统的分解立体图。
图4是示出了图2中的用于车辆的缓冲器系统的部分A的局部放大图。
图5是图4中的放大图的后立体图。
图6和图7是示出了相对于根据相关技术的缓冲器系统的碰撞测试的结构分析结果的视图。
图8和图9是示出了相对于根据本发明的缓冲器系统的碰撞测试的结构分析结果的视图。
具体实施方式
在下文中,将通过本发明所属技术领域普通技术人员容易实现本发明的技术理念的方式,参考所附附图对本发明的实施方式进行详细描述。然而,本发明可以不同的形式实施并且不应被解释为局限于本文提出的实施方式。在附图中,为清晰起见,将省去用于描述本公开所不必要的任何事宜,而且,附图中的类似附图标记表示类似元件。
图2是根据本发明的优选实施方式的用于车辆的缓冲器系统的立体图。图3是图2中的用于车辆的缓冲器系统的分解立体图,图4是示出图2中的用于车辆的缓冲器系统的部分A的局部放大图,并且图5是图4中的放大图的后立体图。
参考图2至图5,根据本发明的优选实施方式的用于车辆的缓冲器系统100包括缓冲梁110、碰撞盒120以及支架130。
缓冲梁110可被注塑模制成预定的形状,以符合规定的要求,即,用于车辆的缓冲器系统100的低速碰撞性能,以降低制造成本。
在这种情况下,在缓冲梁110中可以形成有多个间隔壁111,以改进震动吸收。然而,本发明并不局限于缓冲梁110的内部结构。例如,应当理解的是,缓冲梁110可具有各种内部结构。
然而,根据本发明,针对各个地区所要求开发的缓冲梁可一体形成为一种形状,并且具有各种形状和结构的碰撞盒可以可拆卸地设置到缓冲梁,以满足财产保险公司的规定性能。因此,优选的是,缓冲梁110的内部结构统一成能够满足各个地区的全部低速碰撞性能的形式。
耦接孔112形成在缓冲梁110的两端中的每一个中。耦接孔112被配置为耦接碰撞盒120并且在两端中的每一个中在前后方向上穿过缓冲梁110。在这种情况下,耦接孔112的形状可以根据碰撞盒120的外形而改变。
碰撞盒120可被配置为符合用于车辆的缓冲器系统100的财产保险公司规定性能,即,RCAR性能。因此,本发明具有碰撞盒120可拆卸且可分离地耦接至缓冲梁110的技术特征。
具体地,碰撞盒120可插入到缓冲梁110的耦接孔112中以及从该耦接孔分离,以便于组装和分离。
如上所述,根据财产保险公司对各个地区所要求的性能,碰撞盒120可具有选自于圆柱形状、圆锥形状、多边形柱形状、以及多棱锥形状中的一种形状。也就是说,碰撞盒120可被修改为能够满足RCAR性能的形状,该RCAR性能为财产保险公司的要求性能且针对各个地区而不同。
当碰撞盒120被如上所述地配置时,在仅碰撞盒以可更换的形式设置到缓冲梁中(其集成在一个主体中)的情况下,由于其符合每个当地缓冲器系统的规格,所以其可以满足RCAT性能以及低速碰撞性能,并因此,发明成本和车辆成本由于生产规格不同而可以明显降低。
而且,铝或塑性复合物以及钢都可用作用于碰撞盒120的材料,以减少重量。
支架130可防止碰撞盒120与缓冲梁110分离,并且耦接至缓冲梁110。
具体地,如图4和图5中示出的,支架130包括:耦接部分131,该耦接部分固定至缓冲梁110的后壁的前部部分;连接部分132,该连接部分从耦接部分131弯曲并且固定至缓冲梁110的后壁的上部部分;以及防分离部分133,该防分离部分从连接部分132弯曲并且紧密附接至缓冲梁110的后壁的后部部分。因此,支架130整体上可具有形截面结构。
在这种情况下,耦接部分131和连接部分132可通过使用螺栓134而彼此固定。防分离部分133可部分地覆盖碰撞盒120的后端表面,以防止碰撞盒120由于从车身的前侧施加的撞击而向后分离。
如上所述,示出了根据本发明的优选实施方式的用于车辆的缓冲器系统。
发明人相对于根据相关技术的缓冲器系统和根据本发明的缓冲器系统的RCAR40%偏置测试进行结构分析。图6至图9中示出了通过该结构分析获得的结果。
具体地,图6和图7是示出了根据相关技术的缓冲器系统的侵入和碰撞能量吸收的视图,并且图8和图9是示出了根据本发明的缓冲器系统的侵入和碰撞能量吸收的视图。
参考图6至图9,可以看出,根据本发明的缓冲器系统的碰撞能量吸收相比于根据相关技术的缓冲器系统的碰撞能量吸收得到了相对提高,并且根据本发明的缓冲器系统的侵入相比于根据相关技术的缓冲器系统的侵入得到了相对减少,并且由此满足所要求的碰撞性能。
上面参考所附附图详细描述了本发明的优选实施方式。本发明的描述旨在为示出性的,并且本发明所属技术领域的普通技术人员应当理解的是,在不改变技术理念或基本特征的情况下,可以其他具体形式实施本发明。
因此,本发明的范围由所附权利要求限定而非由前文的描述和本文描述的示例性实施方式限定。在发明权利要求的等同含义内以及权利要求内做出的各种修改被视为在本发明的范围内。
Claims (3)
1.一种用于车辆的缓冲器系统,包括:
缓冲梁,在所述缓冲梁的两端中的每一端中具有耦接孔,所述耦接孔形成为在前后方向上穿过所述缓冲梁;
碰撞盒,插入到所述缓冲梁的所述耦接孔中;以及
支架,耦接至所述缓冲梁,以防止所述碰撞盒分离,
其中,所述支架包括:
耦接部分,固定至所述缓冲梁的后壁的前部部分;
连接部分,从所述耦接部分弯曲并且固定至所述缓冲梁的所述后壁的上部部分;以及
防分离部分,从所述连接部分弯曲并且紧密附接至所述缓冲梁的所述后壁的后部部分,以部分地覆盖所述碰撞盒的后端表面。
2.根据权利要求1所述的缓冲器系统,其中,所述碰撞盒具有选自于圆柱形状、圆锥形状、多边形柱形状以及多棱锥形状中的一种形状。
3.根据权利要求1所述的缓冲器系统,其中,所述碰撞盒的材料包含选自于钢、铝、复合材料中的一种材料。
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