CN1982124A - 乘客安全气囊组件 - Google Patents

乘客安全气囊组件 Download PDF

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CN1982124A
CN1982124A CNA2006100649455A CN200610064945A CN1982124A CN 1982124 A CN1982124 A CN 1982124A CN A2006100649455 A CNA2006100649455 A CN A2006100649455A CN 200610064945 A CN200610064945 A CN 200610064945A CN 1982124 A CN1982124 A CN 1982124A
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air bag
bag cushion
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flap portion
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权海旭
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Hyundai Mobis Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/201—Packaging straps or envelopes for inflatable members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B60R21/2165—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2342—Tear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/237—Inflatable members characterised by the way they are folded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
    • B60R2021/21506—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member comprising tearing tabs, legs or the like for holding the lid before deployment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/235—Inflatable members characterised by their material
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Abstract

本发明是一种乘客安全气囊组件，其易于组装，轻量并可降低成本，因为具有与折翼部和加强部一体形成的缓冲包裹而使部件数目降低。折翼部由于具有撕裂线而吸收气囊垫的部分展开能量，从而使对乘客的伤害最小并提高OOP性能。

Description

乘客安全气囊组件
技术领域
本发明涉及一种乘客安全气囊组件，更具体地说，涉及这样一种乘客安全气囊组件，其易于组装、轻量并可降低成本，因为具有与折翼部和加强部一体形成的缓冲包裹而使部件数目减少。
背景技术
一般地，车辆用的安全气囊可分成驾驶员安全气囊(DAB)和乘客安全气囊(PAB)，所述的驾驶员安全气囊安装于方向盘上，用于保护驾驶座上的驾驶员，所述的乘客安全气囊安装于乘客座椅前面的仪表板上，用于保护乘客座椅上的乘客。基本上，驾驶员安全气囊是必需的，乘客安全气囊是任选的；然而，近年来，具有防止乘客受伤的乘客安全气囊安装于其中的车辆不断增长。
图1为现有技术的乘客安全气囊组件的剖视图。图2是现有技术的加强织物的展开图。图3是现有技术的缓冲包裹的展开图。图4是现有技术的折翼的展开图。
现有技术的气囊组件包括气囊壳体(未示出)，气囊垫2，和充气机(未示出)，所述的气囊壳体安装至与乘客座椅相对的仪表板(未示出)上，所述的气囊垫2容纳于气囊壳体中以便当车辆发生碰撞时朝着乘客座椅展开，所述的充气机将高压气体提供给气囊垫2。
如图1所示，与气囊垫2耦合并用于固定该气囊垫2的保持架4安装在气囊壳体内侧。
此外，乘客安全气囊组件还包括用于包裹气囊垫2以使该气囊垫2保持在折叠状态的缓冲包裹6，折翼8和加强织物10，所述的折翼8被安装成在包裹气囊垫2的同时可折叠于缓冲包裹6内从而在气囊垫2一展开就使展开压力被吸收，所述的加强织物10被安装成包裹部分气囊垫2以便防止气囊垫2被来自于充气机(未示出)的高温、高压气体损坏。
缓冲包裹6、折翼8和加强织物10与保持架4上所设的螺栓12耦合。
折翼8用于提高OOP(不正确位置)性能，它一般称为OPF(乘客保护折翼)。
通过在气囊垫2的展开过程中减小初始展开压力从而不允许气囊垫2朝着乘客侵略性地展开，这样折翼8可保护不正确位置的乘客。
折翼8由紧固于保持架4一侧的第一折翼8a和紧固于保持架4另一侧的第二折翼8b构成。第一折翼8a和第二折翼8b被折叠成彼此交叠。
另外，第一折翼8a和第二折翼8b被涂布有硅，从而在气囊垫2一展开，其间就具有充分的摩擦力。
然而，现有技术的乘客安全气囊组件存在这样的问题，即因为折翼8、缓冲包裹6和加强织物10必须分别安装，所以部件数目增加且成本高。此外，由于折翼8由硅涂布的纤维制成，所以成本高。
发明内容
本发明着重解决现有技术的问题，其目的是提供一种乘客安全气囊组件，其可保持OOP性能，结构简单且可降低成本。
为了实现上述目的，根据本发明提供一种乘客安全气囊组件，包括：容纳于气囊壳体并且当车辆发生碰撞时朝着乘客展开的气囊垫；和包括加强部和折翼部的缓冲包裹，该加强部用于保护气囊垫，该折翼部用于抑制气囊垫的初始展开并将气囊垫保持于折叠状态。
折翼部具有通过气囊垫的展开压力撕开的撕裂线。
缓冲包裹经由保持架紧固于气囊壳体。
折翼部由折叠部和耦合部构成，该折叠部从加强部伸出并被折叠多次，该耦合部形成于折叠部的一侧以耦合保持架。
折叠部在折叠之后被缝合。
折叠部具有通过气囊垫的展开压力撕开的撕裂线。
折翼部被形成为使与保持架耦合的部分形成至少一层。
加强部包括与保持架耦合的耦合部，从耦合部的一侧伸出以便包裹气囊垫一侧的第一加强部，和从耦合部的另一侧伸出以便包裹气囊垫的另一侧的第二加强部。
折翼部通过被从第一和第二加强部的任何一侧伸出而形成。
耦合部具有被成形为与保持架上所设的螺栓耦合的耦合孔。
附图说明
在附图中：
图1为现有技术的乘客安全气囊组件的剖视图；
图2为现有技术的加强织物的展开图；
图3为本发明的缓冲包裹的展开图；
图4为本发明的折翼的展开图；
图5为本发明的乘客安全气囊组件的剖视图；
图6为本发明的缓冲包裹的展开图；
图7a和7b为组装状态图，其示出了本发明的缓冲包裹的组装方法。
具体实施方式
其后，将参照附图描述本发明的实施例。
图5为本发明的乘客安全气囊组件的剖视图。图6为本发明的缓冲包裹的展开图。图7a和7b为组装状态图，其示出了本发明的缓冲包裹的组装方法。
如图5所示，本发明的气囊组件包括容纳于气囊壳体(未示出)以便当车辆发生碰撞时朝着乘客展开的气囊垫50，以及包括加强部60和折翼部70的缓冲包裹80，该加强部60用于保护气囊垫50，该折翼部70用于抑制气囊垫50的初始展开并将该气囊垫50保持于折叠状态。
气囊壳体(未示出)安装在与乘客座椅相对的仪表板(未示出)内侧。用于在车辆发生碰撞时给气囊垫50提供高温、高压气体的充气机(未示出)安装在气囊壳体(未示出)中。
气囊垫50通过保持架52紧固于气囊壳体(未示出)。缓冲包裹80通过保持架52紧固于气囊壳体(未示出)。
保持架52上设有与其一体的螺栓54，气囊垫50和缓冲包裹80也与螺栓54耦合。
缓冲包裹80由一片纤维制成，其中心被局部裁切，并且该缓冲包裹以该裁切部为中心分成加强部60和折翼部70。
如图6所示，加强部60包括与保持架52耦合的第一耦合部63，第一加强部61和第二耦合部62，该第一加强部61从第一耦合部63的一侧伸出以便包裹气囊垫50的一侧，该第二加强部62从第一耦合部63的另一侧伸出以便包裹气囊垫50的另一侧。
第一耦合部63具有供气孔65，用于从充气机(未示出)供给高温、高压气体。
多个第一耦合孔65形成于供气孔64周围以与螺栓54耦合。
第一和第二加强部61和62在气囊垫50被折叠之前包裹气囊垫50的外侧。当气囊垫50被折叠时，第一和第二加强部61和62的任何一方与气囊垫50一起被折叠。
在将气囊垫50包裹之后，第一和第二加强部61和62通过缝纫线被缝合至气囊垫50上。
如图6所示，在本实施例中，仅描述与气囊垫50一起被折叠的第一加强部61，以及保护气囊垫50并包裹该气囊垫50以使其保持在折叠状态的第二加强部62。
折翼部70通过被从第一和第二加强部61和62的任一侧伸出而形成。这里，仅描述折翼部70通过被从第二加强部62伸出而形成。
如图6所示，折翼部70由折叠部71和第二耦合部72构成，该折叠部71从第二加强部62伸出并被折叠多次，该第二耦合部72形成于折叠部71的一侧以与保持架52耦合。
此外，折翼部70的折叠部71具有通过气囊垫50的展开压力撕开的撕裂线73。
撕裂线73沿着折叠部71的长度方向纵向形成。
第二耦合部72由至少一层组成，从而使其端部被折叠。
也即，第二耦合部72如图5所示地在上下方向折叠一次，在左右方向折叠一次，并在折叠之后用缝纫线缝合。
第二耦合部72具有被成形为与螺栓54耦合的第二耦合孔74。
参考标号66和67分别表示缝合线，第一和第二加强部61和62沿着该缝合线被缝合至气囊垫50上，参考标号75和76表示缝合线，第二耦合部72在折叠之后沿着该缝合线缝合。
以下将描述这样构造的本发明的乘客安全气囊组件的组装方法。
首先，将缓冲包裹80与保持架52的螺栓54耦合，于是气囊垫50与保持架52耦合。
接着，如图7a所示，通过缓冲包裹80的第一加强部61包裹气囊垫50的一侧，通过其第二加强部62包裹气囊垫50的另一侧，然后将第一和第二加强部61和62缝合至气囊垫50上。
其后，当折叠气囊垫50时，如图7b所示，将第一加强部61与气囊垫50一起折叠，并定位于气囊部50的褶皱之间，如图6所示，第二加强部62用作使气囊垫50保持于折叠状态的包裹物。
当折叠气囊垫50时，缓冲包裹80的折翼部70转向图7b的左侧以包裹气囊垫50。
这里，如图6和7b所示，折翼部70的连接部70a包裹气囊垫50，该连接部70a被裁切并与第二加强部62相连。
于是，折翼部70的耦合部72与保持架52的螺栓耦合。
其后，将折翼部70的折叠部71折叠多次并用缝纫线缝合。当褶皱和连接部70a被缝在一起时，折叠部71与气囊垫50紧紧接触，从而包裹气囊垫50。
参考标号77表示缝合线，折叠部71被沿着该缝合线缝合。
也即，如图5所示，气囊垫50的一侧由第二加强部62包裹，而该气囊垫的另一侧由折翼部70包裹。
所以，在缓冲包裹80中，第二加强部62和折翼部70用来包裹折叠状态的气囊垫50。
以下将描述如此构造的本发明的乘客安全气囊组件的操作。
当车辆发生碰撞时，高压气体从充气机(未示出)供至气囊垫50。
在这点上，因为第一和第二加强部61和62连接至气囊垫50上，所以该气囊垫50避免了被高温高压气体损坏。
当气囊垫50被充入所述气体时，气囊垫50膨胀并展开，撕裂线73由于气囊垫50的展开压力而被撕开。
这里，由于气囊垫50的展开能量随着撕裂线73的撕开而被吸收，这防止了气囊垫50朝着乘客侵略性地展开，由此对不正确位置(OOP)的乘客的伤害最小。
所以，缓冲包裹80的折翼部70用作OPF(乘客保护折翼)，以便在气囊垫50展开的过程中对乘客的伤害最小。
当撕裂线73被撕开时，折叠部71的缝合部与第二加强部62一起展开，其它部分朝着相对侧展开，因为第二耦合部72紧固于保持架52。
结果，缓冲包裹80不但用来将气囊垫50保持于折叠状态，而且还用来保护气囊垫50免受高温、高压气体以及在气囊垫50展开的过程中对乘客的伤害最小。
根据本发明，这样构造的乘客安全气囊组件易于组装，轻量，并可降低成本，因为具有与折翼部和加强部一体形成的缓冲包裹而使部件数目降低。
而且，折翼部由于具有撕裂线而吸收气囊垫的部分展开能量，因此对乘客损伤最小并提高OOP性能。此外，折翼部不需要硅涂布工艺，由此降低了成本。
另外，折翼部被形成为使与保持架耦合的部分可形成至少一层，由此提高与保持架耦合的部分的强度。

Claims (10)

1.一种乘客安全气囊组件，其特征在于，该组件包括：容纳于气囊壳体内并且当车辆发生碰撞时朝着乘客展开的气囊垫；和包括加强部和折翼部的缓冲包裹，该加强部用于保护气囊垫，该折翼部用于抑制气囊垫的初始展开并将气囊垫保持于折叠状态。
2.根据权利要求1所述的乘客安全气囊组件，其特征在于，所述折翼部具有通过气囊垫的展开压力撕开的撕裂线。
3.根据权利要求1所述的乘客安全气囊组件，其特征在于，所述缓冲包裹通过保持架紧固于气囊壳体。
4.根据权利要求3所述的乘客安全气囊组件，其特征在于，所述折翼部由折叠部和耦合部构成，该折叠部从加强部伸出并被折叠多次，该耦合部形成于折叠部的一侧以与保持架耦合。
5.根据权利要求4所述的乘客安全气囊组件，其特征在于，所述折叠部在折叠之后被缝合。
6.根据权利要求4所述的乘客安全气囊组件，其特征在于，所述折叠部具有通过气囊垫的展开压力撕开的撕裂线。
7.根据权利要求3所述的乘客安全气囊组件，其特征在于，所述折翼部被形成为使与保持架耦合的部分形成至少一层。
8.根据权利要求2或3所述的乘客安全气囊组件，其特征在于，所述加强部包括与保持架耦合的耦合部，从耦合部一侧伸出以包裹气囊垫一侧的第一加强部，和从耦合部另一侧伸出以包裹气囊垫另一侧的第二加强部。
9.根据权利要求8所述的乘客安全气囊组件，其特征在于，所述折翼部通过被从第一和第二加强部的任一侧伸出而形成。
10.根据权利要求8所述的乘客安全气囊组件，其特征在于，所述耦合部具有被形成为与保持架上所设的螺栓耦合的耦合孔。
CNA2006100649455A 2005-12-16 2006-03-17 乘客安全气囊组件 Pending CN1982124A (zh)

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