CN104842921B - 装配与封装汽车安全气囊的方法 - Google Patents
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Abstract
一种用于座位安全带约束装置的装配安全气囊的方法,使放气的安全气囊在其堆叠并固定在座位安全带的织带上时铺放平整。安全气囊由多个材料条带装配而成。条带被边缘焊接在一起,以便使接口在组成安全气囊的单独的条带之间铺放平整。
Description
背景技术
本发明涉及一种装配汽车安全气囊的方法,以及更具体地,涉及一种装配汽车安全气囊使其封装平整的方法。
机动车辆在碰撞过程中使用安全气囊系统来保护车辆乘员。安全气囊是在碰撞过程中迅速膨胀以便向车辆乘员提供缓冲的囊袋。安全气囊从外壳中展开,该外壳可以遍布整个车辆乘客舱,包括被纳入座位安全带约束装置的织带。
机动车辆的座位安全带织带在延长或缩回时通常越过D形环滑动。然而,将安全气囊纳入织带增加了织带的厚度以及织带起泡或起皱的倾向。增加的厚度以及起泡或起皱的倾向使得将安全气囊纳入织带既对车辆乘员缺乏美观,又使其穿过D形环更加困难,并且因此使车辆乘员更加难于开和脱座位安全带。难于穿过D形环使得有必要设计安全气囊组件不穿过D形环这样的座位安全带系统,这样可能需要添加用于座位安全带总成搭接部分的第二卷收器。这使得将系统与车辆一起封装起来更加困难并且昂贵。此外,在一些像轿车这样不需要D形环的应用中,仍然需要薄而柔软的安全气囊封装,以便允许带有集成安全气囊的织带能够存放于传统尺寸的卷收器中。
发明内容
本发明是实施例提出了一种装配与封装安全气囊的方法。将多个拥有第一和第二边缘的材料条带堆叠。将成对的第一边缘焊接在一起,成对的第二边缘焊接在一起,成对的第二边缘与成对的第一边缘交错,以形成令堆叠中的条带平铺于其中的手风琴式堆叠。通过将堆叠顶部和底部条带边缘焊接在一起来形成拥有第一和第二开口的管子。通过边缘焊接将第一和第二开口关闭来形成可膨胀的囊袋。将囊袋固定在座位安全带织带上。
根据本发明的一个实施例,条带拥有第一和第二表面,并且条带被布置成当囊袋膨胀时第一表面处于囊袋的外侧。
根据本发明的一个实施例,第一表面被涂覆。
根据本发明的一个实施例,条带拥有第一表面,并且条带垂直堆叠,第一表面在面向第一方向和第二相反方向之间交替。
根据本发明的一个实施例,方法包含第一步,在第一步中条带由双层材料切割而来以便形成多个成对的上层和下层条带,上层条带与下层条带的尺寸相匹配,以及上层和下层条带被布置成自堆叠中心计上层条带与相匹配的下层条带是相等数量的条带。
根据本发明的一个实施例,在垂直于第一和第二开口之间的线的方向上,顶部条带和底部条带拥有比其它多个条带更大的尺寸。
根据本发明的一个实施例,组成堆叠的焊缝在不相交的线上。
根据本发明的一个实施例,材料是尼龙织物。
根据本发明的一个实施例,焊接是超声波焊。
根据本发明的一个实施例,座位安全带织物被用在三点车辆乘员座位安全带中。
本发明的另一实施例提出了一种安全约束安全气囊总成,包括可膨胀囊袋,该可膨胀囊袋含有多个边缘焊接在一起的材料条带,从而在条带间的焊缝处,条带成堆叠地平铺。囊袋固定在座位安全带织带上。
根据本发明的一个实施例,条带拥有第一和第二表面,并且条带被布置成当囊袋膨胀时第一表面处于囊袋的外侧。
根据本发明的一个实施例,第一表面被涂覆。
根据本发明的一个实施例,材料条带是尼龙织物。
根据本发明的一个实施例,堆叠是手风琴式堆叠。
根据本发明的一个实施例,座位安全带织带是三点车辆乘员座位安全带的胸带。
根据本发明的一个实施例,膨胀囊袋的顶部和底部条带被缝合在一起以便形成用于保持条带的套筒,并且套筒在织带的外部。
本发明的另一实施例提出了一种装配与封装安全气囊的方法。将多个材料条带焊接成可膨胀囊袋,从而在多个条带间的焊缝处,第一条带平铺于第二条带之上。将条带堆叠成一叠。将囊袋固定在座位安全带织带上。
根据本发明的一个实施例,焊缝为边缘焊接。
根据本发明的一个实施例,堆叠为手风琴式堆叠。
本发明的实施例的一个优点是安全气囊封装平整,这有利于在座位安全带约束装置中使用,并且还可以用于其它车辆安全气囊应用。这降低了需要第二个座位安全带卷收器或占用更多封装空间的成本和复杂性,因此对允许传统尺寸的座位安全带卷收器来说是可取的。座位安全带对于车辆乘员来说也易于开和脱。
附图说明
图1是座位安全带约束装置中的安全气囊的示意正视图;
图2是安全气囊总成的示意正视图;
图3是安全气囊总成的示意透视图;
图4是封装的安全气囊的示意透视图;
图5是安全气囊总成的示意透视图。
具体实施方式
图1示意性地说明了用于机动车辆12的座位安全带安全气囊系统10。座位安全带安全气囊系统10仅是示例性的,并且可以采取其它形式,其可以是三点系统或四点安全带系统。座位安全带安全气囊系统10包含座位安全带约束装置14。座位安全带约束装置14可以是本领域技术人员所公知的。例如,附图所说明的是包含座位安全带织带16、带扣18、D形环20以及卷收器22的三点座位安全带约束装置。织带16在第一末端固定于车辆结构或车辆座位26上,穿过D形环20并被引向接纳织带16第二末端的卷收器22。卷收器22通过收取并缠绕额外的织带16来提供织带16的拉力。织带16穿过连接到带扣18的舌槽17,并保持座位安全带约束装置14跨过坐在机动车辆座位中的车辆乘员24。安全气囊28被固定于织带16。例如,安全气囊29可以被固定于安全气囊28的套筒88中。
图2示意性地描述了安全气囊总成。同样对涉及图2的一种用于在座位安全带安全气囊系统10中封装平整的装配安全气囊28的方法也进行了讨论。多个中间条带30垂直地堆叠于顶部条带32和底部条带34之间。每一个中间条带拥有第一和第二边缘。中间条带30、顶部条带32以及底部条带34由本领域技术人员所公知的安全气囊材料制造。例如,该材料可以是尼龙织物。安全气囊28的体积在某种程度上是顶部条带32和底部条带34之间的中间条带30的数量的函数。中间条带30的数量越多,安全气囊28的体积越大。每一个条带30的宽度通常由织带16的宽度来决定,该织带16的宽度同样可以影响安全气囊28的体积。中间条带30可以全部是一样的尺寸或不同的尺寸。
将中间条带30按照焊接模式焊接在一起。在焊接模式中,第一条带36的第一边缘38被边缘焊接至第二条带44的第一边缘42。第一条带36的第二边缘40被边缘焊接至第三条带48的第二边缘46。第二条带44和第三条带48在第一条带36相对的两侧。第一条带36的第一边缘38和第二边缘40二者均不与第二条带44和第三条带48二者都焊接。焊接模式导致中间条带30的边缘焊缝在第一和第二边缘之间交错。安全气囊28可以通过按顺序堆叠以及将相邻的条带边缘焊接来装配。作为选择的,安全气囊28可以通将全部条带堆叠,并在堆叠后将条带边缘焊接来装配。在任一情况下,结果都是手风琴式(风箱)形状。
装配安全气囊28使用了边缘焊接。正如本领域技术人员所公知的那样,边缘焊接包括将第一衬片平铺于第二平行的或近平行的衬片之上,并将第一和第二衬片之间的接触区域沿边缘焊接。边缘焊接允许两个衬片彼此相互保持平行与平整。由于要用于安全气囊28,边缘焊接允许上层条带平铺于下层条带的顶部,包括上层和下层条带的接缝处。通过使用边缘焊接,中间条带30在顶部条带32和底部条带34之间堆叠平整。在焊接模式中,边缘焊接的使用允许第一条带36、第二条带44和第三条带44堆叠平整。
顶部条带32拥有第一边缘50和第二边缘52。底部条带34拥有第一边缘54和第二边缘56。最上面的中间条带30为顶部过渡条带58。顶部过渡条带58拥有第一边缘60和第二边缘62。顶部过渡条带58的第一边缘60被边缘焊接至顶部条带32的第一边缘50。第二边缘62按照焊接模式边缘焊接。最下面的中间条带30为底部过渡条带64。底部过渡条带64拥有第一边缘66和第二边缘68。底部过渡条带64的第一边缘66被边缘焊接至底部条带34的第一边缘54。第二边缘68按照焊接模式边缘焊接。顶部条带32的第二边缘52被焊接至底部条带34的第二边缘56。
中间条带30、顶部条带32和底部条带34拥有第一表面70。第一表面70在中间条带30中在朝上和朝下之间交替。顶部条带32的第一表面70’面对顶部过渡条带58的第一表面70的反方向,以及底部条带34的第一表面70”面对底部过渡条带64的第一表面70的反方向。这使得当安全气囊28膨胀时将第一表面70放置于安全气囊28体积的外侧。第一表面70可以被涂覆。例如,第一表面70可以被涂覆有机硅涂层以便在安全气囊28膨胀时长时间地保持膨胀气体。
中间条带30、顶部条带32以及底部条带34的制作允许存在测量误差。材料条带可以由双层材料切割而来。这导致了成对的上层和下层条带。上层条带与相应的下层条带的尺寸相匹配。当成对的上层和下层条带被定位,自中间条带30中心部有相等数量的条带,上层条带的总误差将会被下层条带总的相反误差所抵消。
在垂直于焊接模式焊缝的方向,顶部条带32和底部条带34拥有比中间条带30更大的尺寸。这允许顶部条带32的第二边缘52接触到底部条带34的第二边缘以便焊接。进一步地,中间条带30、顶部条带32以及底部条带34的第一和第二边缘在不相交的线上。边缘焊接可以通过任何本领域内技术人员所公知的焊接技术来进行。例如,焊接可以是超声波焊接。
图3示意性地说明了所有第一和第二边缘都焊接过的安全气囊28。焊接模式将中间条带30装配成Z-形手风琴式堆叠80。安全气囊28拥有第一末端82和第二末端84。第一末端82和第二末端84是焊接封闭的,从而使安全气囊28的体积可以膨胀。
图4示意性地说明了封装的非膨胀安全气囊28。与安全气囊28相连接的是充气输入端86。充气输入端86用于将安全气囊28展开。非膨胀的安全气囊28被固定在座位安全带织带16的套筒88(为清楚说明而部分剖切)内。
图5示意性地说明了安全气囊128。由于图5是图2和图3所说明的安全气囊的改进,相似的附图标记表示附图中相应的部件(但伴有100系列元件编号)并省略其具体描述。
顶部条带132延伸超过顶部焊缝190,并且底部条带134延伸超出底部焊缝192。分别超出焊缝190和192的顶部条带132和底部条带134通过裂缝缝线194而连接在一起。裂缝缝线194使得顶部和底部条带132和134在安全气囊128膨胀时分别拆开。
顶部和底部条带132和134分别容纳安全气囊128而无需图4所示的套筒。顶部和底部条带132和134可以分别由触感舒适的材料制作,该材料依然允许用于安全气囊128膨胀时的气体保持。作为选择地,顶部条带132和底部条带134向外的表面可以分别拥有触觉舒适的涂层或膜。
顶部和底部条带132和134分别在接口196处通过缝线198而缝合到座位安全带织带116上。作为选择的,顶部和底部条带132和134可以分别为座位安全带织带。
虽然已经对本发明的某些实施例进行了详细的描述,但那些与本发明相关的本领域技术人员应当意识到各种用于实现由以下权利要求限定的本发明的替代性设计和实施例。
Claims (10)
1.一种封装机动车辆安全气囊的方法,包括:
将多个拥有第一和第二边缘的材料条带堆叠;
将成对的第一边缘焊接在一起,并将成对的第二边缘焊接在一起,成对的第二边缘与成对的第一边缘交错,以形成令堆叠中的条带平铺于其中的手风琴式堆叠;
通过将堆叠顶部和底部条带边缘焊接在一起来形成拥有第一和第二开口的管;
通过将边缘焊接将第一和第二开口关闭来形成可膨胀的囊袋;
将囊袋固定在座位安全带织带上。
2.根据权利要求1所述的方法,其中条带拥有第一和第二表面,并且条带被布置成当囊袋膨胀时第一表面处在囊袋的外侧。
3.根据权利要求2所述的方法,其中第一表面被涂覆。
4.根据权利要求1所述的方法,其中条带拥有第一表面,并且条带垂直堆叠,第一表面在朝向第一方向和第二相反方向之间交替。
5.根据权利要求1所述的方法,包含第一步,在第一步中条带由双层材料切割而来以便形成多个成对的上层和下层条带,上层条带与下层条带的尺寸相匹配,以及上层和下层条带被布置成自堆叠中心计上层条带和相匹配的下层条带是相等数量的条带。
6.一种汽车安全约束安全气囊总成,包括:
可膨胀囊袋,该可膨胀囊袋含有多个材料条带,所述材料条带拥有第一和第二边缘,将所述多个材料条带堆叠并将成对的第一边缘焊接在一起,成对的第二边缘焊接在一起,从而在条带间的焊缝处,条带成堆叠地平铺;
通过将堆叠顶部和底部条带边缘焊接在一起来形成拥有第一和第二开口的管;
所述可膨胀的囊袋通过将边缘焊接将第一和第二开口关闭来形成;
座位安全带织带,囊袋固定在织带上。
7.根据权利要求6所述的总成,其中条带拥有第一和第二表面,并且条带被布置成当囊袋膨胀时第一表面处在囊袋的外侧。
8.根据权利要求7所述的总成,其中第一表面被涂覆。
9.根据权利要求6所述的总成,其中材料条带是尼龙织物。
10.根据权利要求6所述的总成,其中堆叠是手风琴式堆叠。
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US14/183,724 US9221415B2 (en) | 2014-02-19 | 2014-02-19 | Method of assembling and packing an automotive airbag |
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US11397492B2 (en) * | 2015-06-22 | 2022-07-26 | Sigmasense, Llc. | Enhanced mutual capacitance touch screen display with shape detection and methods for use therewith |
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CN109129504B (zh) * | 2018-09-06 | 2021-05-18 | 大连理工大学 | 一种气动顶撑救灾机器人 |
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RU2015105059A (ru) | 2016-09-10 |
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DE102015202506B4 (de) | 2023-06-15 |
US9682677B2 (en) | 2017-06-20 |
US20150232054A1 (en) | 2015-08-20 |
MX355612B (es) | 2018-04-25 |
US9221415B2 (en) | 2015-12-29 |
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US20160068128A1 (en) | 2016-03-10 |
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