CN107804266A - 隐藏式发泡仪表板安全气囊门 - Google Patents

隐藏式发泡仪表板安全气囊门 Download PDF

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Publication number
CN107804266A
CN107804266A CN201610741695.8A CN201610741695A CN107804266A CN 107804266 A CN107804266 A CN 107804266A CN 201610741695 A CN201610741695 A CN 201610741695A CN 107804266 A CN107804266 A CN 107804266A
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CN
China
Prior art keywords
air bag
door
concealed
instrument panel
airbag door
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Pending
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CN201610741695.8A
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English (en)
Inventor
罗缝
李新
江亮
方利强
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Chengdu Space Mould and Plastic Co Ltd
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Chengdu Space Mould and Plastic Co Ltd
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Priority to CN201610741695.8A priority Critical patent/CN107804266A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/205Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215Arrangements 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
    • B60R2021/21537Arrangements 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 hinges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

本发明公开了一种隐藏式发泡仪表板安全气囊门,包括气囊门框(3),所述气囊门框(3)外侧端设置有与气囊门框(3)一体结构的单开门扇(5),所述单开门扇(5)的一侧边缘设置有加强铰链(51),其余边缘设置有预制弱化槽(52)。本实用型的有益效果是:优化设计结构,简化生产工艺,不再需要投入焊接工装、焊接设备和铣刀弱化工装、铣刀弱化设备,降低生产制造成本,提升气囊释放合格率,提高外观质量。

Description

隐藏式发泡仪表板安全气囊门
技术领域
本发明涉及汽车安全技术领域,具体涉及汽车安全气囊配套设备。
背景技术
如图1-3所示,改进前气囊门与发泡骨架2。改进前气囊门包括气囊门框3和破裂中开双门扇4,破裂中开双门扇4与气囊门框3之间设置有铰链带41。破裂中开双门扇4包括两个相互之间仅有几个点相连而大部分相互分离且的门扇,相连的几个点在气囊膨胀突出是有也会断裂。破裂中开双门扇4A面有若干突出结构,这些突出结构用于与发泡骨架2进行焊接,使破裂中开双门扇4与发泡骨架2相互固定,气囊门框3也是采用相同方式与发泡骨架2相互固定。发泡骨架2在与破裂中开双门扇4的两个门扇之间的对应部分用铣刀洗出用连续长开孔形成的铣刀弱化带21。铣刀弱化带21的联接部分能在气囊膨胀突出是有也会断裂,断裂后的铣刀弱化带21边缘形成锯齿结构,以利于破开包覆在发泡骨架2的A面的表皮1。由于内应力的存在,发泡骨架2的铣刀弱化带21不能注塑成型,只有用铣刀弱化。
改进前气囊门与发泡骨架2,基于上述结构和加工工艺,存在如下缺点:
1、气囊门与发泡骨架2采用震动焊接或者红外焊接工艺,焊接需要投入焊接工装和焊接设备,导致制造成本昂贵,并且容易导致外观缺陷;
2、发泡骨架需要铣刀弱化,导致需要增加额外的铣加工工装和设备,并且铣刀加工精度为±0.25mm,波动较大,容易导致***实验失败。
发明内容
本发明要解决的技术问题是:
1、气囊门与发泡骨架2之间需要焊接,焊接需要投入焊接工装和焊接设备,导致制造成本昂贵,并且容易导致外观缺陷;
2、发泡骨架需要铣刀弱化,导致需要增加额外的铣加工工装和设备,并且铣刀加工精度为±0.25mm,波动较大,容易导致气囊释放失败。
为达到上述发明目的,本发明所采用的技术方案为:一种隐藏式发泡仪表板安全气囊门,包括气囊门框,所述气囊门框外侧端设置有与气囊门框一体结构的单开门扇,所述单开门扇的一侧边缘设置有加强铰链,其余边缘设置有预制弱化槽。
所述其余边缘内侧面设置有加强边。
所述气囊门框设置有用于与发泡骨架固定连接的卡孔。
所述单开门扇为圆角矩形结构,所述加强铰链设置有圆角矩形结构的一条长边上。
所述加强铰链设置在长边的中部。
本实用型的有益效果是:优化设计结构,简化生产工艺,不再需要投入焊接工装焊接设备和铣刀弱化工装铣刀弱化设备,降低生产制造成本,提升气囊释放合格率,提高外观质量。
附图说明
图1为改进前气囊门与发泡骨架的立体结构示意图;
图2为改进前气囊门与发泡骨架的主视结构示意图;
图3为图2中A-A剖视图;
图4为本发明的立体结构示意图;
图5为本发明的主视结构示意图;
图6为图5中B-B剖视图。
其中,表皮(1)、发泡骨架(2)、铣刀弱化带(21)、卡钩(22)、气囊门框(3)、卡孔(31)、破裂中开双门扇(4)、铰链带(41)、单开门扇(5)、加强铰链(51),预制弱化槽(52)、加强边(53)、安装窗口(6)。
具体实施方式
如图4-6所示,该隐藏式发泡仪表板安全气囊门,包括气囊门框3,所述气囊门框3外侧端设置有与气囊门框3一体结构的单开门扇5,所述单开门扇5的一侧边缘设置有加强铰链51,其余边缘设置有预制弱化槽52。
预制弱化槽52为减胶形成的连续或非连续凹槽,使单开门扇5的边缘与气囊门框3只有少量的能被气囊***膨胀时顶裂开的线连接。
气囊***膨胀时,气囊将预制弱化槽52顶裂开,而单开门扇5则以设置有加强铰链51的一侧边缘为轴向外反正,并通过破开后的预制弱化槽52的边缘顶裂开表皮1,最早完全打开并完全释放出气囊。
为了更好的顶裂开预制弱化槽52,更好的保持单开门扇5形态,使其更改能规整、迅速的被顶开和顶裂开所述表皮1,单开门扇5除设置有加强铰链51外的其余边缘内侧面设置有加强边53,以增加整体刚度。加强边53设置有内侧面有利于外观。
所述气囊门框3设置有用于与发泡骨架2固定连接的卡孔31。
相应的,发泡骨架2上设置有用于安装该隐藏式发泡仪表板安全气囊门的安装窗口6,安装窗口6的边缘设置有与卡孔31配合的卡钩22。气囊门框3的外檐搭接在安装窗口6边缘,与卡接结构配合,更好的将发泡骨架2和该隐藏式发泡仪表板安全气囊门之间固定。
在一个实施例中,所述单开门扇5为圆角矩形结构,所述加强铰链51设置有圆角矩形结构的一条长边上。所述加强铰链51设置有4个,并且加强铰链51设置在长边的中部。当然,加强铰链51的数量和在长边的具***置并不仅限于该实施例。
装该隐藏式发泡仪表板安全气囊门,采用单开门扇5替代了破裂中开双门扇4,门扇外不焊接发泡骨架2,气囊门框3也与发泡骨架2通过卡接结构连接,不需要焊接,也不再需要投入焊接工装和焊接设备。还避免了焊接引起的外观问题,并且,单开门扇5表面光滑,不存在原铣刀弱化带21,也利于保证外观质量,利于安全气囊门的隐藏。
同时,也省去了原发泡骨架的铣刀弱化,也不再需要投入铣刀弱化工装和铣刀弱化设备。避免了铣刀加工精度较低,容易导致气囊释放失败的问题。
装该隐藏式发泡仪表板安全气囊门,优化设计结构,简化生产工艺,不再需要投入焊接工装、焊接设备和铣刀弱化工装、铣刀弱化设备,降低生产制造成本,提升***合格率,提高外观质量。

Claims (5)

1.隐藏式发泡仪表板安全气囊门,包括气囊门框(3),其特征在于,所述气囊门框(3)外侧端设置有与气囊门框(3)一体结构的单开门扇(5),所述单开门扇(5)的一侧边缘设置有加强铰链(51),其余边缘设置有预制弱化槽(52)。
2.根据权利要求1所述的隐藏式发泡仪表板安全气囊门,其特征在于,所述其余边缘内侧面设置有加强边(53)。
3.根据权利要求1所述的隐藏式发泡仪表板安全气囊门,其特征在于,所述气囊门框(3)设置有用于与发泡骨架(2)固定连接的卡孔(31)。
4.根据权利要求1至3任一所述的隐藏式发泡仪表板安全气囊门,其特征在于,所述单开门扇(5)为圆角矩形结构,所述加强铰链(51)设置有圆角矩形结构的一条长边上。
5.根据权利要求4任一所述的隐藏式发泡仪表板安全气囊门,其特征在于,所述加强铰链(51)设置在长边的中部。
CN201610741695.8A 2016-08-29 2016-08-29 隐藏式发泡仪表板安全气囊门 Pending CN107804266A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3805052A1 (de) * 2019-10-07 2021-04-14 StreetScooter GmbH Airbagklappensystem mit randvertiefungen unterschiedlicher materialstärke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3805052A1 (de) * 2019-10-07 2021-04-14 StreetScooter GmbH Airbagklappensystem mit randvertiefungen unterschiedlicher materialstärke
US11377061B2 (en) 2019-10-07 2022-07-05 StreetScooter GmbH Airbag flap system having peripheral depressions of variable material thickness

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Application publication date: 20180316