CN106064596B - 具有中间骨架元件的主动杂物箱门 - Google Patents
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Abstract
提供了一种用于车辆乘客舱的主动杂物箱门。塑料成型的门内衬形成反作用板。塑料成型的前装饰壁朝向乘客舱中的乘客展开。塑料成型的气囊元件沿着外周边通过热焊接接缝与装饰壁接合以形成充气腔。气囊元件包括至少一个大体上周向褶皱部和中心附接区域,该至少一个大体上周向褶皱部邻近焊接接缝,该中心附接区域具有接合到门内衬的多个附接凸台。骨架元件被安装到门内衬,处在气囊元件和门内衬之间,其中该骨架元件具有用于降低门内衬的挠曲的网格结构。该骨架元件具有接收相应的附接凸台的至少一个孔。
Description
技术领域
本发明总体上涉及用于机动车辆中乘员碰撞保护的主动垫,并且更具体地涉及具有中间骨架元件的主动杂物箱门。
背景技术
本发明总体上涉及用于机动车辆中乘员碰撞保护的主动垫(active bolster),并且更具体地涉及一种安装在杂物箱门中的主动垫。
主动垫是一种车辆乘员保护装置,该装置具有充气腔以在碰撞过程中吸收冲击并且减少对乘员的伤害。相对于一充气就从各个开口后面显露出来的可展开的安全气囊垫,主动垫使用内饰表面本身来在碰撞事件开始时膨胀,用于吸收冲击并且通过充气气体的作用来消散能量。通过引用并入本文的公告日期为2012年6月26日的美国专利8,205,909公开了一种集成到重量轻且视觉上有吸引力的杂物箱门中的主动膝垫。也通过引用并入本文的公告日期为2013年7月2日的美国专利8,474,868公开了一种典型的结构,其中主动垫包括外壁或装饰板,该外壁或装饰板面向车辆乘员并且沿着密封的周边附接到内壁或板。一个或两个壁是可变形的以便提供充气腔。例如,内气囊壁可以具有在充气过程中拉直的褶状(即,手风琴状)区域。
典型的主动垫的内壁和外壁是由模制热塑性塑料(例如聚乙烯、聚烯烃、或聚氯乙烯(PVC))构成。它们通常是注射成型的但也可以是吹塑成型的。当单独形成时,壁必须围绕它们的周边密封地接合以便形成充气腔。接合处必须是强有力的以抵抗由于在充气过程中的高压力造成的分离。
当将主动垫合并到杂物箱或其他存储隔间的门中时,需要门的内侧背板(即,门内衬(inner door liner))充当必须是相对不可移动的反作用表面或板,以使充气气囊和前面板向外、朝向车辆乘员推动(而不是进入存储隔间)。门内衬通常横跨开口,使得门的边缘与仪表板或隔间框架重叠以便在关闭位置处停止门运动。
由低成本、低重量、并且易附接到气囊壁(例如,通过热板焊接)的可模制的热塑性塑料来制造门内衬是合意的。这样的结构具有的一个潜在问题是,它可以具有足够的易曲性以在垫展开过程中弯曲。在某些情况下,弯曲可能使对气囊的膨胀的支撑减少和控制乘员的冲击力的能力下降。弯曲需要被限制以便避免门通过门开口而下滑。下滑可能导致朝向冲击体施加的约束力的部分损失。
由于美观和功能原因,门内衬的外侧面应该光滑并且没有可见的瑕疵。为了增加强度以减少弯曲,当注射成型内衬时,在门内衬的内表面上整体形成了向内突出的肋。然而,这样的肋结构的尺寸受到注射成型过程的限制。除非肋保持相对薄,否则肋结构将由于塑料的差别冷却而“穿透(read through)”到内衬的外侧面。能从门内衬的外侧看到肋结构可以被认为是缺陷或低质量产品。
发明内容
在本发明的一个方面,提供了一种用于车辆乘客舱的主动杂物箱门。塑料成型的门内衬形成反作用板。塑料成型的前装饰壁朝向乘客舱中的乘客展开。塑料成型的气囊元件沿着外周边通过热焊接接缝与装饰壁接合以形成充气腔。该气囊元件包括至少一个大体上周向褶皱部和中心附接区域,该至少一个大体上周向褶皱部邻近焊接接缝,该中心附接区域具有接合到门内衬的多个附接凸台。骨架元件被安装到门内衬,处在气囊元件和门内衬之间,其中该骨架元件具有用于降低门内衬的挠曲的网格结构。该骨架元件具有接收相应的附接凸台的至少一个孔。
附图说明
图1是一种类型的现有技术主动膝垫杂物箱门系统的向外看的分解的透视图,本发明可以应用于这种类型的主动膝垫杂物箱门系统;
图2是主动垫的充气腔总成的后部透视图;
图3是根据一个现有技术实施例的门内衬的内侧面的平面图;
图4是提供门开口和用于安装杂物箱门的围板(surround panel)的前部平面图;
图5是处于预展开状态的主动杂物箱系统的现有技术实施例的水平剖视图;
图6是图5的主动杂物箱系统在充气过程中的垂直剖视图;
图7是根据一个优选实施例具有骨架元件的门内衬的内侧面的平面图;
图8是示出了门内衬、骨架元件和气囊元件的杂物箱门的分解图;
图9是杂物箱门总成的水平剖视图,该杂物箱门总成包括门内衬、骨架元件、气囊元件、装饰板以及门框架或围板。
具体实施方式
现在参照图1,现有技术主动膝垫系统10具有基板部件(即,门内衬)11,基板部件11形成垫的基础。基部11可以如图1所示通过与存储腔或杂物箱12铰接来附接到车辆,或安装到另一个结构,例如位于转向柱下方的仪表板支撑件。这样的位置容易接近乘坐在车辆内相应的就座位置中的各个乘客的膝盖。
在这种布置中,基部11是门内壁或内衬,该门内壁或内衬充当用于支撑充气腔的反作用表面或板,该充气腔通过气囊元件或壁13和装饰板或壁14形成,气囊元件或壁13和装饰板或壁14围绕它们的周边15接合。壁13和14优选由模制塑料(例如热塑性聚烯烃(TPO))构成,并且通过塑料热焊接——例如热板或振动焊接——接合以形成围绕中心区域17的外围密封件,从而形成充气腔。充气气体源16被电子地控制,用于在碰撞过程中激活以释放气体来给垫充气。前壁14可以包含A级内饰表面,例如杂物箱门的外侧,或者附加外皮或罩(未示出)可以应用于其外表面。
图2是充气腔20的另一个实施例的后视图。塑料成型的装饰板21覆在塑料成型的、可膨胀的后壁或气囊元件22上面。面板21和气囊元件22围绕封闭的周边区域通过热焊接凸缘23接合到装饰壁21的内表面,以便形成在壁21和气囊元件22之间具有开放中心体积的充气腔,该充气腔在碰撞事件期间接收来自充气机24的充气气体,充气机24安装在气囊元件22的凹部25中。气囊元件22包括多个褶皱部,例如26和27,以适应气囊元件22在充气过程中的膨胀。褶皱部27是邻近焊接凸缘23的最外侧褶皱部。多个附接塔(即,凸台)28从设置在褶皱部26和27内的气囊元件22的中心区域突出。塔28用于将气囊元件22安装到反作用板,例如门内衬(未示出)。一对排气孔30和31在最外侧褶皱部27的顶点处穿透通过气囊元件22。
图3是现有技术门内衬35的内部视图。焊接垫板37被设置用于热焊接到气囊元件上的焊接凸台。多个加强肋36在内衬35的大部分内侧面上方交叉以减少易曲性。然而,限制足够量的弯曲是困难的,因为肋36必须足够薄以避免肋穿透到内衬35的外侧面上(未示出)。
图4示出了仪表板围板40,围板40被附接到仪表板或仪表盘(未示出),以提供用于接收杂物箱的框架,该框架具有用于杂物箱门的开口41。安装垫板42接收用于可枢转地附接杂物箱门的铰链(未示出)。门止动表面(stop surface)43位于门开口41周围。门内衬横跨开口41使得表面43提供门的后止动件(backstop)以将推动门内衬的力通过围板40和其他仪表板结构和横梁传递到达车辆车身/车架。
现在参照图5和6,主动杂物箱系统45被安装在框架围板40的开口41内。主动杂物箱门47形成主动膝垫,其中前装饰板48沿着面板48和气囊元件49的外部外围边缘沿着外部外围密封件50被附接到气囊元件49。可膨胀腔51在面板48和气囊元件49之间形成,其能够通过多个褶皱部52的展开而朝向乘客舱的内部和朝向车辆的乘员(未示出)膨胀,多个褶皱部52围绕气囊元件49环形设置并且邻近外围密封件50。气囊元件49包括多个凸台或焊接塔53,凸台或焊接塔53被连接到门内衬(反作用板)54,凸台或焊接塔53可以是总体上杯形的,用于在展开之前嵌套在装饰板48后面。存储箱55被附接到门内衬54的外侧面的中心部分,例如,通过热焊接。通过围绕铰链56在其下边缘处枢转门47,箱55被访问以便用作存储隔间。
当门47被置于其关闭位置时,为了限制门47的旋转,框架40包括止动表面43,止动表面43被设置为至少沿着门开口41的顶部和侧面。门内衬54具有外边缘表面60,当门47关闭时,外边缘表面60被止动表面43紧密接收。
门37可以使用闩锁57牢固地锁在关闭位置。此外,当垫在碰撞事件过程中被充气时,主动膝垫的展开和冲击力经由边缘表面60和止动表面43之间的界面传输。
图6示出了由于采用来自充气机57的气体给室51充气而引起的主动垫的展开。如果门内衬54相对稳定,则装饰板48在展开过程中向前移动。由于形成门内衬54的优选材料是可模制的热塑性塑料,所以一些弯曲趋向于在展开过程中发生,如沿着虚线58所示。凸出导致外边缘60沿着与止动表面43的界面滑动,这可能潜在地导致沿着箭头59下滑。由于内衬54的挠曲,下滑趋向于沿着门的横向侧面和顶部发生。
为了减少门内衬的易曲性,本发明在在气囊元件和门内衬之间向门内衬的内侧面上增加了骨架元件,骨架元件的作用是加强内衬并且直接接触气囊元件的膨胀部分以更好地控制能量负荷。如图7所示,门内衬65具有安装到内表面67的骨架元件66,例如通过热焊接。骨架元件66具有网格结构70,网格结构70降低了组合门内衬65和骨架元件66的挠曲。骨架元件66具有用于接收相应的附接凸台的至少一个孔71,从而允许气囊元件被热焊接到门内衬65,如图8所示,其中气囊元件75具有延伸通过孔71的附接凸台76。根据一种优选的装配方法,骨架元件66被首先热焊接到门内衬65。然后,气囊元件75与门内衬65通过孔71热焊接。附加热焊接点可以任选地存在于气囊元件75和骨架元件66之间,特别是在附接凸台间的中心区域中以改善力控制。
骨架元件66优选由总体上平坦的塑料注射成型的板80构成,板80具有从板80朝向气囊元件75突出的凸肋81,如图9所示。板80被热焊接到门内衬65,并且板80或内衬65可以任选地包括用于提高热焊接的渗透的小的肋状结构。凸肋81可以具有增加的厚度,因为发生在板80上的任何穿透在最终装配时将看不到。
气囊元件75可以根据延伸部线82进行调整以与骨架元件66的肋83直接接触。当气囊元件75被热焊接到门内衬65时,延伸部82和肋83也可以被热焊接以提供骨架元件66和气囊元件75之间的直接附接。当气囊元件75被热焊接到门内衬65时,它将通常已经被沿着焊接接缝86热焊接到装饰板85。
在图9中示出了用于接收主动杂物箱门总成的围板框架90。具有骨架元件66的增加的刚性,骨架元件66横跨由围板90限定的门开口是不必要的。在替代实施例中,门总成可以被重新配置和/或附加表面被设置在围板框架90(即,台阶)上以便将骨架元件设置为使得其横跨门开口以便进一步增加刚性和力控制。
Claims (11)
1.一种用于车辆乘客舱的主动杂物箱门,包含:
塑料成型的门内衬,所述塑料成型的门内衬形成反作用板;
塑料成型的前装饰壁,所述塑料成型的前装饰壁用于朝向所述乘客舱中的乘客展开;
塑料成型的气囊元件,所述塑料成型的气囊元件沿着外周边通过热焊接接缝与所述装饰壁接合以形成充气腔,其中所述气囊元件包括至少一个大体上周向褶皱部和中心附接区域,所述至少一个大体上周向褶皱部邻近所述焊接接缝,所述中心附接区域具有接合到所述门内衬的多个附接凸台;以及
骨架元件,所述骨架元件被安装到所述门内衬,处在所述气囊元件和所述门内衬之间,其中所述骨架元件具有用于降低所述门内衬的挠曲的网格结构,并且其中所述骨架元件具有接收相应的所述附接凸台的至少一个孔。
2.根据权利要求1所述的主动杂物箱门,其中所述骨架元件包含总体上平坦的板,所述板具有从所述板朝向所述气囊元件突出的凸肋。
3.根据权利要求2所述的主动杂物箱门,其中所述骨架元件是由模制塑料构成的。
4.根据权利要求3所述的主动杂物箱门,其中热焊缝将所述平坦的板接合到所述门内衬。
5.根据权利要求1所述的主动杂物箱门,其中热焊缝将所述中心附接区域接合到所述骨架元件。
6.一种机动车辆内饰存储系统,包含:
仪表板框架,所述仪表板框架具有限定门开口的围板;以及
门,所述门铰链连接到所述板框架以占用所述门开口,其中所述门包含:
塑料成型的门内衬,所述塑料成型的门内衬横跨所述门开口以形成反作用板;
塑料成型的前装饰壁,所述塑料成型的前装饰壁用于在碰撞事件过程中从所述门开口向外展开以约束乘客;
塑料成型的气囊元件,所述塑料成型的气囊元件沿着外周边通过热焊接接缝与所述装饰壁接合以形成充气腔,所述充气腔用于接收由所述碰撞事件触发的充气气体,其中所述气囊元件包括至少一个大体上周向褶皱部和中心附接区域,所述至少一个大体上周向褶皱部邻近所述焊接接缝,所述中心附接区域具有接合到所述门内衬的多个附接凸台;以及
骨架元件,所述骨架元件被安装到所述门内衬,处在所述气囊元件和所述门内衬之间,其中所述骨架元件具有用于降低所述门内衬的挠曲的网格结构,并且其中所述骨架元件具有接收相应的所述附接凸台的至少一个孔。
7.根据权利要求6所述的系统,其中所述骨架元件包含总体上平坦的板,所述板具有从所述板朝向所述气囊元件突出的凸肋。
8.根据权利要求7所述的系统,其中所述骨架元件是由模制塑料构成的。
9.根据权利要求8所述的系统,其中热焊缝将所述平坦的板接合到所述门内衬。
10.根据权利要求6所述的系统,其中热焊缝将所述中心附接区域接合到所述骨架元件。
11.一种主动杂物箱门,包含:
门内衬,所述门内衬形成反作用板;
气囊元件,所述气囊元件包括周向褶皱部和中心附接区域,所述中心附接区域具有接合到所述门内衬的附接凸台;以及
安装到所述门内衬的骨架元件,所述骨架元件面向所述气囊元件并且具有降低所述门内衬的挠曲的网格结构,其中所述骨架元件具有接收相应的所述附接凸台的至少一个孔。
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US14/691,837 US9421933B1 (en) | 2015-04-21 | 2015-04-21 | Active glove box door with intermediate skeleton member |
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US20050046153A1 (en) * | 2003-08-27 | 2005-03-03 | Depottey Timothy A. | Airbag inflator mounting apparatus and method |
JP2007062701A (ja) * | 2005-09-02 | 2007-03-15 | Takata Corp | エアバッグ装置及びその蓋部材 |
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DE102006042091B4 (de) * | 2006-09-07 | 2008-04-30 | Technotrans Ag | Anlage zur Feuchtmittelaufbereitung für den Offset-Druck |
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JP4575467B2 (ja) * | 2008-03-03 | 2010-11-04 | 本田技研工業株式会社 | 車両用ドア構造 |
JP4535183B2 (ja) * | 2008-09-04 | 2010-09-01 | トヨタ自動車株式会社 | 車両用ニーエアバッグ装置 |
US7810869B2 (en) * | 2008-10-07 | 2010-10-12 | Honda Motor Co., Ltd. | Glove box knee bolster assembly for vehicle and method of manufacturing |
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WO2010103622A1 (ja) * | 2009-03-10 | 2010-09-16 | トヨタ自動車株式会社 | 車両用ニーエアバッグ装置 |
JP5448159B2 (ja) * | 2009-11-12 | 2014-03-19 | 三光合成株式会社 | エアバッグ装置及びそのエアバッグ装置を用いてなる車両用乗員下肢保護装置及び車両側突時乗員保護装置 |
US8459689B2 (en) * | 2009-12-24 | 2013-06-11 | Salflex Polymers Ltd. | Passenger side active knee bolster |
US8205909B2 (en) | 2010-06-26 | 2012-06-26 | Ford Global Technologies | Active knee bolster for automotive vehicle |
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JP5498921B2 (ja) * | 2010-11-22 | 2014-05-21 | 本田技研工業株式会社 | 車両用グローブボックス構造 |
DE102011102521A1 (de) * | 2011-05-26 | 2012-11-29 | Faurecia Innenraum Systeme Gmbh | Innenverkleidungsteil mit Airbag-Abdeckung |
US8308186B1 (en) | 2011-08-29 | 2012-11-13 | Ford Global Technologies, Llc | Active bolster mounting system |
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DE102016106866A1 (de) | 2016-10-27 |
RU2016111289A (ru) | 2017-10-04 |
MX2016005099A (es) | 2016-10-20 |
RU2016111289A3 (zh) | 2019-07-17 |
CN106064596A (zh) | 2016-11-02 |
RU2710507C2 (ru) | 2019-12-26 |
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