JP2003154916A - Opening structure of air bag door - Google Patents
Opening structure of air bag doorInfo
- Publication number
- JP2003154916A JP2003154916A JP2001355087A JP2001355087A JP2003154916A JP 2003154916 A JP2003154916 A JP 2003154916A JP 2001355087 A JP2001355087 A JP 2001355087A JP 2001355087 A JP2001355087 A JP 2001355087A JP 2003154916 A JP2003154916 A JP 2003154916A
- Authority
- JP
- Japan
- Prior art keywords
- panel
- door
- movable
- movable panel
- airbag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 50
- 238000005304 joining Methods 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000007017 scission Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Air Bags (AREA)
- Instrument Panels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、エアバッグドア
の開放構造に関し、更に詳細には、車両内装部材の基材
に設けられる合成樹脂製のドアパネルと、このドアパネ
ルの裏面に可動パネルを接合した合成樹脂製のインサー
ト部材とからなり、エアバッグ装置の作動時に、前記ド
アパネルおよび可動パネルが夫々のヒンジ部を中心とし
て一体的に開放するエアバッグドアの開放構造に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air bag door opening structure, and more particularly, to a door panel made of synthetic resin provided on a base material of an interior member of a vehicle, and a movable panel joined to the back surface of the door panel. The present invention relates to an opening structure of an airbag door, which is composed of an insert member made of synthetic resin and which is integrally opened by the door panel and the movable panel around respective hinge portions when the airbag device is operated.
【０００２】[0002]
【従来の技術】近年に至り、殆どの乗用車では、衝突事
故等による衝撃から乗員を保護するために、運転席乗員
用のエアバッグ装置および助手席乗員用のエアバッグ装
置が標準的に装備されている。運転席乗員用のエアバッ
グ装置は、一般的にステアリング中央のホーンパッド部
に装備され、また助手席乗員用のエアバッグ装置は、例
えば図１０に示す如く、車両乗員室の前方に組付けた車
両内装部材としてのインストルメントパネル１０の内側
に格納された状態で装備されている。このため前記イン
ストルメントパネル１０のパネル基材１２には、前記エ
アバッグ装置４０に対応した部位に、当該エアバッグ装
置４０の作動時に膨張するエアバッグ４２の押圧力を受
けると乗員室側へ開放するエアバッグドア２０が設けら
れている。なお図１０では、２枚のドアパネル２２,２
２からなる両開き式のエアバッグドアを例示している。2. Description of the Related Art In recent years, most passenger cars are equipped with an airbag device for a driver's seat passenger and an airbag device for a passenger's seat passenger as standard equipment in order to protect an occupant from a collision accident or the like. ing. The airbag device for the driver's seat occupant is generally mounted on the horn pad portion in the center of the steering wheel, and the airbag device for the passenger seat occupant is mounted in front of the passenger compartment of the vehicle as shown in FIG. 10, for example. It is installed in a state of being stored inside an instrument panel 10 as a vehicle interior member. Therefore, when the panel base material 12 of the instrument panel 10 receives a pressing force of the airbag 42 that expands when the airbag device 40 operates, the panel substrate 12 opens to the passenger compartment side. An airbag door 20 is provided. In FIG. 10, the two door panels 22, 2
The double-opening type airbag door which consists of 2 is illustrated.
【０００３】前記エアバッグドア２０は、エアバッグ装
置４０に整合するパネル基材１２の所要位置に一体的に
形成され、常には該基材１２の一部としてその意匠面を
構成するものが主流となっている(「インビジブルタイ
プ」という)。このようなエアバッグドア２０は、パネル
基材１２の裏面において該ドアパネル２２,２２の外縁
ラインに沿って開裂予定線１６およびヒンジ部１８を延
設することで形成されるもので、エアバッグ４２の押圧
力が裏面に加わった際に先ず該開裂予定線１６が破断
し、次いで前記ヒンジ部１８を中心として各ドアパネル
２２,２２が前記パネル基材１２から開放するようにな
っている。The air bag door 20 is integrally formed at a required position of the panel base material 12 which is aligned with the air bag device 40, and the design surface of the air bag door 20 is always used as a part of the base material 12. (It is called "invisible type"). Such an airbag door 20 is formed by extending the planned cleavage line 16 and the hinge portion 18 along the outer edge line of the door panels 22, 22 on the back surface of the panel base material 12. When the pressing force is applied to the back surface, the planned tear line 16 is first broken, and then the door panels 22, 22 are released from the panel base material 12 centering on the hinge portion 18.
【０００４】ここで前記パネル基材１２は、例えばＰＰ
(ポリプロピレン)やＡＳＧ等の比較的硬質の合成樹脂材
料から形成されて適度の剛性を有しているものの、殊に
低温時にエアバッグ４２の強大な押圧力が加わるとその
衝撃で破損するおそれがある。このため、パネル基材１
２とは別体に形成したインサート部材２４を、エアバッ
グ装置４０に連結支持させると共にエアバッグドア２０
の裏面に固定することで、該エアバッグドア２０および
その周辺部位の破損防止および飛散防止等を図る対策が
講じられている。前記インサート部材２４は、例えばＴ
ＰＯ(オレフィン系の熱可塑性エラストマー)等から成形
され、前記エアバッグ装置４０に係止保持される筒状の
固定ブラケット２６と、該固定ブラケット２６に対して
ヒンジ部３０で接合され、前記各ドアパネル２２,２２
の裏面に対応的に固定されてる可動パネル２８,２８と
から構成され、これら固定ブラケット２６および可動ブ
ラケット２８,２８を一体的に形成した合成樹脂成形部
材とされている。このようなインサート部材２４は、例
えば既知の振動溶着法に基いて前記可動パネル２８,２
８を対応のドアパネル２２,２２の裏面に溶着固定され
ている(図１１)。Here, the panel substrate 12 is, for example, PP.
Although it is formed of a relatively hard synthetic resin material such as (polypropylene) or ASG and has an appropriate rigidity, it may be damaged by the impact when a strong pressing force of the airbag 42 is applied especially at low temperature. is there. Therefore, the panel substrate 1
The insert member 24 formed separately from 2 is connected to and supported by the airbag device 40, and the airbag door 20
By fixing it to the back surface of the airbag, measures are taken to prevent damage and scattering of the airbag door 20 and its surrounding parts. The insert member 24 is, for example, T
A tubular fixed bracket 26 formed of PO (olefin-based thermoplastic elastomer) or the like and locked and held by the airbag device 40, and joined to the fixed bracket 26 by a hinge portion 30. 22,22
And a movable panel 28, 28 fixed correspondingly to the back surface of the fixed bracket 26 and the movable bracket 28, 28. Such an insert member 24 is used for the movable panels 28, 2 based on, for example, a known vibration welding method.
8 is welded and fixed to the back surfaces of the corresponding door panels 22, 22 (FIG. 11).
【０００５】このように、パネル基材１２に設けられる
合成樹脂製のドアパネル２２,２２と、このドアパネル
２２,２２の裏面に溶着接合した合成樹脂製のインサー
ト部材２４における可動パネル２８,２８とからなるエ
アバッグドア２０では、前記エアバッグ装置４０の作動
時に膨張するエアバッグ４２の押圧により、前述した如
く、ドアパネル２２,２２および可動パネル２８,２８が
夫々の端縁部に設けた前記ヒンジ部１８,３０を中心と
して一体的に開放するようになっている(図１１)。As described above, the door panels 22 and 22 made of synthetic resin provided on the panel substrate 12 and the movable panels 28 and 28 of the insert member 24 made of synthetic resin welded to the back surfaces of the door panels 22 and 22 are formed. In the airbag door 20 having the above-mentioned structure, the hinge portion provided with the door panels 22 and 22 and the movable panels 28 and 28 at their respective edge portions is pressed by the pressing of the airbag 42 which is inflated when the airbag device 40 is actuated. It is designed to open integrally around 18, 30 (Fig. 11).
【０００６】[0006]
【発明が解決しようとする課題】ところで、前述した従
来のエアバッグドア２０では、ドアパネル２２および可
動パネル２８が相互の接合面で全面的に溶着して接合さ
れているため、両者２２,２８が夫々のヒンジ部１８,３
０を中心として一体的に開放する際に、次のような不都
合が発生することがあった。すなわち図１２に示すよう
に、開放方向内側に位置するドアパネル２２では、前記
ヒンジ部１８の隣接部位が該パネル２２の開放変位に従
って圧縮的に変形するようになるが(図中、矢印Ａ方
向)、開放方向外側に位置する可動パネル２８では、前
記ヒンジ部３０の隣接部位がパネル２８の開放変位に従
って逆に伸張的に変形するようになる(図中、矢印Ｂ方
向)。By the way, in the above-mentioned conventional airbag door 20, since the door panel 22 and the movable panel 28 are entirely welded and joined at their joint surfaces, both 22 and 28 are joined together. Each hinge part 18,3
The following inconveniences sometimes occurred when opening integrally around 0. That is, as shown in FIG. 12, in the door panel 22 located on the inner side in the opening direction, the adjacent portion of the hinge portion 18 comes to be compressed and deformed according to the opening displacement of the panel 22 (in the direction of arrow A in the figure). In the movable panel 28 located on the outer side in the opening direction, the adjacent portion of the hinge portion 30 is inversely and expansively deformed according to the opening displacement of the panel 28 (in the direction of arrow B in the figure).
【０００７】しかしながら前述した如く、ドアパネル２
２および可動パネル２８が、ヒンジ部１８,３０の隣接
部位を含む接合面の全面で溶着接合されているため、両
者２２,２８のヒンジ部１８,３０の隣接部位では変形の
自由度が殆どなく、開放時には夫々に大きな応力が加わ
ってしまう。殊に前記可動パネル２８では、柔軟性のあ
るＴＰＯ材から形成されているとしても全体的な伸張変
形が全く規制された状態にあるから、前記ヒンジ部３０
の形成部位のみが集中的に伸張変形するようになり、場
合によってはこの部位に亀裂が生ずるおそれがあった。
従って、前記ヒンジ部３０に亀裂が生じた際には、エア
バッグ４２の押圧により前記可動パネル２８が固定ブラ
ケット２６から分離してしまい、対応のドアパネル２２
を支持できなくなって該ドアパネル２２と共に飛散して
しまうことも危惧される。However, as described above, the door panel 2
2 and the movable panel 28 are welded and joined to each other on the entire joint surface including the adjacent portions of the hinge portions 18 and 30, so that the adjacent portions of the hinge portions 18 and 30 of both 22 and 28 have almost no degree of freedom of deformation. , When opening, a large stress is applied to each. Particularly, in the movable panel 28, even if the movable panel 28 is formed of a flexible TPO material, the entire extensional deformation is completely restricted.
Only the formation site of the slab was intensively stretched and deformed, and in some cases, there was a risk of cracking at this site.
Therefore, when the hinge portion 30 is cracked, the movable panel 28 is separated from the fixed bracket 26 by the pressing of the airbag 42, and the corresponding door panel 22.
It is also feared that the vehicle will not be able to be supported and will scatter with the door panel 22.
【０００８】[0008]
【発明の目的】本発明は、前述した課題を好適に解決す
るべく提案されたもので、エアバッグドアおよび可動パ
ネルの接合面に、相互に剥離不能となる接合領域および
相互に剥離可能な非接合領域を画成することで、これら
エアバッグドアおよび可動パネルが開放時に破損するの
を防止し得るよう構成したエアバッグドアの開放構造を
提供することを目的とする。DISCLOSURE OF THE INVENTION The present invention has been proposed in order to preferably solve the above-mentioned problems, and it provides a joint area which is inseparable from each other and a non-separable non-separable area on the joint surfaces of an airbag door and a movable panel. It is an object of the present invention to provide an opening structure for an airbag door, which is configured so as to prevent the airbag door and the movable panel from being damaged at the time of opening by defining the joint area.
【０００９】[0009]
【課題を解決するための手段】前記課題を解決して、所
期の目的を達成するため本発明は、車両内装部材の基材
に設けられる合成樹脂製のドアパネルと、このドアパネ
ルの裏面に可動パネルを接合した合成樹脂製のインサー
ト部材とからなり、エアバッグ装置の作動時に、前記ド
アパネルおよび可動パネルが夫々のヒンジ部を中心とし
て一体的に開放するドアパネルの開放構造において、前
記ドアパネルおよび可動パネルの接合面に、少なくとも
前記ヒンジ部と隣接する部位に所要幅に亘って設けるこ
とで両者が相互に剥離可能な非接合領域と、この非接合
領域以外の部位に設けられて両者が剥離不能となる接合
領域とを画成し、前記接合領域で相互に接合された前記
ドアパネルおよび可動パネルが前記ヒンジ部を中心とし
て一体的に開放するに際し、前記非接合領域では適宜剥
離するのを許容することで、これらドアパネルおよび可
動パネルが該ヒンジ部で破損するのを防止し得るよう構
成したことを特徴とする。In order to solve the above problems and achieve the intended object, the present invention is directed to a synthetic resin door panel provided on a base material of a vehicle interior member, and a movable surface on the back surface of the door panel. In the open structure of the door panel, which comprises an insert member made of a synthetic resin in which the panels are joined, and the door panel and the movable panel are integrally opened around respective hinge portions when the airbag apparatus is operated, the door panel and the movable panel are provided. On the joint surface of the non-bonding area, at least the area adjacent to the hinge portion can be separated from each other by providing the necessary width, and the non-bonding area provided on a part other than the non-bonding area cannot be separated from each other. And a door panel and a movable panel which are joined to each other in the joining area are integrally opened around the hinge portion. Upon the in the non-junction region that allows the peeling appropriately, these door panels and the movable panel is characterized by being configured so that can prevent the breakage at the hinge portion.
【００１０】[0010]
【発明の実施の形態】次に、本発明に係るエアバッグド
アの開放構造につき、好適な実施例を挙げて、添付図面
を参照しながら以下説明する。なお後述する各実施例で
は、図１０に示した車両内装部材としてのインストルメ
ントパネル１０に設けた両開き式のエアバッグドア２０
をもとに説明する。従って、図１０〜図１２を引用して
説明した従来技術の項で既出の部材や部位と同一部材・
部位に関しては、同一の符号で指示することとする。な
お図示のインストルメントパネル１０は、ポリプロピレ
ン(ＰＰ)等から所要形状に形成された合成樹脂製のパネ
ル基材１２と、このパネル基材１２の外面に被着された
表皮材１４とからなる２層タイプとされている。BEST MODE FOR CARRYING OUT THE INVENTION Next, an air bag door opening structure according to the present invention will be described below with reference to the accompanying drawings with reference to preferred embodiments. In each embodiment described later, a double-opening type airbag door 20 provided on the instrument panel 10 as the vehicle interior member shown in FIG.
I will explain based on. Therefore, the same members and parts as those already mentioned in the section of the prior art described with reference to FIGS.
Parts are designated by the same reference numerals. The instrument panel 10 shown in the drawing comprises a synthetic resin panel base material 12 formed in a required shape from polypropylene (PP) and the like, and a skin material 14 attached to the outer surface of the panel base material 12. It is a layer type.
【００１１】[0011]
【第１実施例】図１は、本発明の第１実施例に係るエア
バッグドアの開放構造を、ドアパネルおよび可動パネル
が一体的に開放している状態で示すインストルメントパ
ネルの要部断面図である。前記インストルメントパネル
１０のパネル基材１２に設けた第１実施例のエアバッグ
ドア２０は、該パネル基材１２の裏面におけるエアバッ
グ装置４０に対応した部位に、中央開裂予定線および側
縁開裂予定線からなる略「Ｈ」字形の開裂予定線１６を延
設すると共に、夫々の側縁開裂予定線の端部間にヒンジ
部１８,１８を形成することで、パネル基材１２に一体
的に形成されて常には該基材１２の一部を構成する２枚
のドアパネル２２,２２を有している。そして各ドアパ
ネル２２,２２は、前記開裂予定線１６が破断すること
で相互に分離すると共にパネル基材１２から適宜分離
し、夫々の端縁に沿って形成した前記ヒンジ部１８を中
心とした開放が許容される。ここで開裂予定線１６は、
ドアパネル２２,２２の外縁ラインに沿ってパネル基材
１２の裏面に凹設した凹溝であって、該ドアパネル２
２,２２やパネル基材１２の一般部位よりも薄肉とする
ことで破断し易く設定したものである。また前記ヒンジ
部１８も、ドアパネル２２,２２の外縁ラインに沿って
パネル基材１２の裏面に凹設した溝であって、該ドアパ
ネル２２,２２やパネル基材１２の一般部位よりも薄肉
とすることで屈曲し易く設定したものである。[First Embodiment] FIG. 1 is a sectional view of an essential part of an instrument panel showing an opening structure of an airbag door according to a first embodiment of the present invention in a state where a door panel and a movable panel are integrally opened. Is. The airbag door 20 of the first embodiment provided on the panel base material 12 of the instrument panel 10 has a central rupture line and a side edge rupture at a portion corresponding to the airbag device 40 on the back surface of the panel base material 12. A substantially "H" -shaped planned cleavage line 16 made of a planned line is extended and hinge portions 18, 18 are formed between the end portions of the respective side edge planned cleavage lines, thereby being integrated with the panel base material 12. It has two door panels 22 and 22 which are always formed to be a part of the base material 12. The door panels 22, 22 are separated from each other by breaking the planned tear line 16 and are appropriately separated from the panel base material 12, and are opened around the hinge portions 18 formed along the respective edges thereof. Is acceptable. Here, the planned cleavage line 16 is
A recessed groove is provided in the back surface of the panel base material 12 along the outer edge line of the door panel 22, 22,
The thickness is set to be thinner than those of the general members of the panels 22 and 22 and the panel base material 12 so that they are easily broken. Further, the hinge portion 18 is also a groove formed in the back surface of the panel base material 12 along the outer edge line of the door panels 22, 22, and is thinner than the general parts of the door panels 22, 22 and the panel base material 12. Therefore, it is set to be easily bent.
【００１２】前記エアバッグドア２０の裏面に固定され
るインサート部材２４は、２枚のドアパネル２２,２２
からなる両開き式のエアバッグドア２０に対応するよう
形成された合成樹脂(ＴＰＯ等)製の一体成形部材であ
り、前記開裂予定線１６における外縁開裂予定線１６お
よびヒンジ部１８に整合する矩形枠状の固定ブラケット
２６と、この固定ブラケット２６の開口部内側に対向的
に形成された可動パネル２８,２８とから構成されてい
る。そして夫々の可動パネル２８,２８は、ヒンジ部３
０で固定ブラケット２６に屈曲可能に連結されていると
共に、夫々の境界ラインに沿って形成したスリット３２
により相互に分離している。なおインサート部材２４
は、前述したようにＴＰＯ(オレフィン系の熱可塑性エ
ラストマー)から形成されているので、適宜の柔軟性を
有していて伸張的な変形および屈曲的な変形が可能であ
ると共にエアバッグ４２の押圧力を受けても破損し難く
なっている。このようなインサート部材２４は、エアバ
ッグドア２０の各ドアパネル２２,２２の裏面に前記夫
々の可動パネル２８,２８が接合され、また前記エアバ
ッグ装置４０のケース体に前記固定ブラケット２６が係
止保持される。The insert member 24 fixed to the back surface of the airbag door 20 includes two door panels 22, 22.
Is a synthetic resin (TPO, etc.) integrally-molded member formed to correspond to the double-opening type airbag door 20, and is a rectangular frame that is aligned with the outer edge tear line 16 and the hinge portion 18 of the tear line 16. The fixed bracket 26 and movable panels 28, 28 formed opposite to each other inside the opening of the fixed bracket 26. The movable panels 28, 28 are connected to the hinge 3
0 is connected to the fixed bracket 26 so as to be bendable, and the slits 32 formed along the respective boundary lines
Are separated from each other by. Note that the insert member 24
Since it is formed of TPO (olefin-based thermoplastic elastomer) as described above, it has appropriate flexibility and can be stretched and bent, and the air bag 42 can be pushed. It is less likely to be damaged even under pressure. In the insert member 24, the movable panels 28, 28 are joined to the back surfaces of the door panels 22, 22 of the airbag door 20, and the fixed bracket 26 is locked to the case body of the airbag device 40. Retained.
【００１３】ここで、第１実施例に係るエアバッグドア
の開放構造では、図１および図２に示す如く、前記エア
バッグドア２０の各ドアパネル２２,２２および前記可
動パネル２８,２８の接合面に、少なくとも前記ヒンジ
部１８,３０と隣接する部位に所要幅に亘って設けるこ
とで両者２２,２８が相互に剥離可能な非接合領域３４
と、この非接合領域３４以外の部位に設けられて両者２
２,２８が剥離不能となる接合領域３６とを画成してあ
る。具体的には、前記インサート部材２４の各可動パネ
ル２８,２８における前記非接合領域３４に対応する部
位に、前記ドアパネル２２,２２との相溶性が低いまた
は相溶性がない剥離シート材４４を設けてあり、前記接
合領域３６で相互に接合されたドアパネル２２,２２お
よび可動パネル２８,２８が該非接合領域３４では適宜
剥離するのを許容し得るようになっている。ここで前記
剥離シート材４４としては、例えば金属フィルム、フッ
素加工シート、アクリルシート、または離型剤を塗布し
たシート等が採用可能であり、インサート部材２４をイ
ンジェクション成形するに際して前記部位に同時装着さ
れる。Here, in the opening structure of the airbag door according to the first embodiment, as shown in FIGS. 1 and 2, the joint surfaces of the door panels 22 and 22 of the airbag door 20 and the movable panels 28 and 28 are joined together. In addition, by providing at least a portion adjacent to the hinge portions 18 and 30 over a required width, the non-bonding region 34 where both 22 and 28 can be separated from each other.
And both of them are provided in a region other than the non-bonding region 34.
2 and 28 define a joining area 36 which cannot be peeled off. Specifically, a release sheet material 44 having low compatibility or incompatibility with the door panels 22, 22 is provided at a portion of each movable panel 28, 28 of the insert member 24 corresponding to the non-bonding region 34. The door panels 22 and 22 and the movable panels 28 and 28 joined to each other in the joining region 36 can be appropriately separated in the non-joining region 34. Here, as the release sheet material 44, for example, a metal film, a fluorinated sheet, an acrylic sheet, a sheet coated with a release agent, or the like can be adopted, and the insert member 24 is simultaneously attached to the portion when injection molding is performed. It
【００１４】このように、前記ヒンジ部３０に隣接する
部位に剥離シート材４４を装着した前記インサート部材
２４は、図３に示すように、基材成形型４６にセットし
たもとで前記パネル基材１２をインサート成形すること
で、夫々の可動パネル２８,２８がパネル基材１２の一
部をなすエアバッグドア２０における各ドアパネル２
２,２２の裏面に接合される。但し、前記剥離シート材
４４を装着した部位はドアパネル２２,２２の裏面に接
着されず、該剥離シート材４４が位置する部位が非接合
領域３４として剥離可能となっている。これにより、第
１実施例のエアバッグドア２０におけるドアパネル２
２,２２および可動パネル２８,２８は、接合領域３６で
は相互に剥離不要となっていると共に非接合領域３４で
は相互に剥離可能となっている。As described above, the insert member 24 having the release sheet material 44 attached to the portion adjacent to the hinge portion 30 is set in the base material mold 46 as shown in FIG. Each of the door panels 2 in the airbag door 20 in which the movable panels 28, 28 form a part of the panel substrate 12 by insert-molding the material 12.
It is joined to the back surface of 2,22. However, the part where the release sheet material 44 is mounted is not adhered to the back surface of the door panels 22, 22, and the part where the release sheet material 44 is located can be separated as the non-bonding area 34. Thereby, the door panel 2 in the airbag door 20 of the first embodiment.
2, 22 and the movable panels 28, 28 do not need to be separated from each other in the bonding area 36 and can be separated from each other in the non-bonding area 34.
【００１５】このように構成された第１実施例に係るエ
アバッグドア２０では、前記エアバッグ装置４０の作動
によりエアバッグ４２の押圧力が加わって前記開裂予定
線１６が破断すると、前記接合領域３６で相互に接合さ
れた前記ドアパネル２２,２２および可動パネル２８,２
８が、夫々のヒンジ部１８,３０を中心として一体的に
開放するようになる(図１)。このとき、ドアパネル２
２,２２および可動パネル２８,２８は、前述した如く、
夫々のヒンジ部１８,３０に隣接した部位に画成した非
接合領域３４において夫々が剥離し得るようになってい
るので、少なくともこの非接合領域３４に対応する部位
では、可動パネル２８がドアパネル２２の変形を規制し
ないと共にドアパネル２２も可動パネル２８の変形を規
制することがなく、ヒンジ部１８,３０での変形の自由
度が高められる。すなわち、開放方向内側に位置するド
アパネル２２,２２では、前記ヒンジ部１８の隣接部位
が該パネル２２の開放変位に従って圧縮的に変形するよ
うになり(図中、矢印Ａ方向)、開放方向外側に位置する
可動パネル２８,２８では、前記ヒンジ部３０の隣接部
位がパネル２８の開放変位に従って逆に伸張的に変形す
るようになるが(図中、矢印Ｂ方向)、両者２２,２８が
前記非接合領域３４で分離(剥離)しているので夫々の圧
縮的変形および伸張的変形が全く規制されない。In the air bag door 20 according to the first embodiment constructed as described above, when the pressing force of the air bag 42 is applied by the operation of the air bag device 40 and the planned tear line 16 is broken, the joining region is formed. The door panels 22, 22 and the movable panels 28, 2 joined together at 36
8 integrally opens around the respective hinge portions 18 and 30 (FIG. 1). At this time, the door panel 2
2, 22 and the movable panels 28, 28 are, as described above,
Since the non-bonding regions 34 defined in the regions adjacent to the respective hinge portions 18 and 30 can be peeled off from each other, at least at the regions corresponding to the non-bonding regions 34, the movable panel 28 is separated from the door panel 22. Is not restricted and the door panel 22 is not restricted from being deformed in the movable panel 28 either, so that the hinge portions 18 and 30 can be more freely deformed. That is, in the door panels 22 and 22 located on the inner side in the opening direction, the adjacent portion of the hinge portion 18 is deformed in a compressive manner according to the opening displacement of the panel 22 (in the direction of arrow A in the figure), and the outer side in the opening direction. In the movable panels 28, 28 located, the adjacent portion of the hinge portion 30 is inversely and expansively deformed according to the opening displacement of the panel 28 (in the direction of the arrow B in the figure), but both 22 and 28 are not in the above-mentioned non-extension. Since they are separated (separated) at the joining region 34, their compressive deformation and extensional deformation are not restricted at all.
【００１６】殊に可動パネル２８では、ヒンジ部３０の
近傍が伸張的に変形するとしても、少なくとも非接合領
域３４に対応した所要幅の部位が全体的に伸張して応力
を吸収するようになるから、このヒンジ部３０での急激
な変形が回避されて該ヒンジ部３０に亀裂が生ずること
がなく、従って当該可動パネル２８が固定ブラケット２
６から分離したり飛散することが好適に防止される。但
し図１では、説明および理解の便宜を図るために、非接
合領域３４におけるドアパネル２２および可動パネル２
８の剥離状態を誇大して図示しているが、実際には殆ど
密着状態となっている。Particularly, in the movable panel 28, even if the vicinity of the hinge portion 30 is deformed in an expansive manner, at least a portion having a required width corresponding to the non-bonding region 34 is entirely stretched to absorb the stress. Therefore, abrupt deformation of the hinge portion 30 is avoided and the hinge portion 30 is not cracked. Therefore, the movable panel 28 is fixed to the fixed bracket 2.
Separation and scattering from 6 are preferably prevented. However, in FIG. 1, for convenience of explanation and understanding, the door panel 22 and the movable panel 2 in the non-bonding region 34 are illustrated.
Although the peeled state of No. 8 is exaggerated in the drawing, it is actually in a close contact state.
【００１７】(第１実施例の変更例)前記第１実施例に係
るエアバッグドアの開放構造では、前記インサート部材
２４の各可動パネル２８,２８における前記非接合領域
３４に対応する部位に、前記エアバッグドア２０の対応
のドアパネル２２,２２との相溶性が低いまたは相溶性
がない剥離シート材４４を設け、相互に溶着接合したド
アパネル２２,２２および可動パネル２８,２８が前記非
接合領域３４で剥離可能としたが、前記剥離シート材４
４はエアバッグドア２０のドアパネル２２,２２の裏面
に設けるようにしてもよい。すなわち図４に示すよう
に、前記エアバッグドア２０の各ドアパネル２２,２２
における前記非接合領域３４に対応する部位に、前記イ
ンサート部材２４の可動パネル２８,２８との相溶性が
低いまたは相溶性がない剥離シート材４４を設けても、
相互に接合したドアパネル２２,２２および可動パネル
２８,２８が前記非接合領域３４では適宜剥離するのが
許容され、可動パネル２８がドアパネル２２の変形を規
制しないと共にドアパネル２２が可動パネル２８の変形
を規制することがなく、ヒンジ部１８,３０での変形の
自由度が高められる。なお前記剥離シート材４４は、成
形型の型面に予めセットしたもとで前記パネル基材１２
をインジェクション成形することで、前記ドアパネル２
２,２２の非接合領域３４に対応する部位へ設けること
が可能である。(Modification of First Embodiment) In the opening structure of the airbag door according to the first embodiment, the movable panel 28, 28 of the insert member 24 has a portion corresponding to the non-bonding region 34. A release sheet material 44 having low compatibility or incompatibility with the corresponding door panels 22, 22 of the airbag door 20 is provided, and the door panels 22, 22 and the movable panels 28, 28 welded and joined to each other are the non-joined regions. The release sheet material 4 is detachable at 34.
4 may be provided on the back surface of the door panels 22, 22 of the airbag door 20. That is, as shown in FIG. 4, each door panel 22, 22 of the airbag door 20 is
In a portion corresponding to the non-bonding region 34 in, even if the release sheet material 44 having low compatibility or incompatibility with the movable panels 28, 28 of the insert member 24 is provided,
The door panels 22, 22 and the movable panels 28, 28 joined to each other are allowed to be appropriately separated in the non-joined region 34, the movable panel 28 does not restrict the deformation of the door panel 22, and the door panel 22 prevents the movable panel 28 from being deformed. There is no restriction, and the degree of freedom of deformation at the hinge portions 18 and 30 is increased. The release sheet material 44 is set on the mold surface of the mold in advance, and then the panel substrate 12 is formed.
By injection molding the door panel 2
It is possible to provide it in the part corresponding to the non-bonding area 34 of 2,22.
【００１８】[0018]
【第２実施例】図５は、本発明の第２実施例に係るエア
バッグドアの開放構造を、ドアパネルおよび可動パネル
が一体的に開放している状態で示すインストルメントパ
ネルの要部断面図である。なおインストルメントパネル
１０およびエアバッグドア２０の各ドアパネル２２,２
２の構成は、前記第１実施例と基本的に同一であるから
同一の符号を付して説明は省略し、相異する点について
のみ説明する。[Second Embodiment] FIG. 5 is a sectional view of an essential part of an instrument panel showing an opening structure of an airbag door according to a second embodiment of the present invention in a state where a door panel and a movable panel are integrally opened. Is. In addition, the instrument panel 10 and the door panels 22 and 2 of the airbag door 20
Since the configuration of No. 2 is basically the same as that of the first embodiment, the same reference numerals are given and the description thereof will be omitted and only different points will be described.
【００１９】第２実施例に係るエアバッグドアの開放構
造でも、エアバッグドア２０のドアパネル２２,２２お
よび前記可動パネル２８,２８の接合面に、少なくとも
前記ヒンジ部１８,３０と隣接する部位に所要幅に亘っ
て設けることで両者２２,２８が相互に剥離可能な非接
合領域３４と、この非接合領域３４以外の部位に設けら
れて両者２２,２８が剥離不能となる接合領域３６とを
画成してある。そして前記非接合領域３４を画成する方
法として、エアバッグドア２０を設けたパネル基材１２
およびインサート部材２４を別々に成形し、該エアバッ
グドア２０の裏面に対してインサート部材２４を振動溶
着法に基いて接合することを前提としたもとで、振動溶
着工程に際して使用される溶着治具４８に改良を施した
ものである。すなわち溶着治具４８は、図７に示す如
く、少なくとも前記非接合領域３４に対応する部位には
接触しない当接面５０を有しており、当該溶着治具４８
を使用したもとで振動溶着を行なった際には、図６に示
すように、ドアパネル２２,２２および可動パネル２８,
２８は前記非接合領域３４に対応した部位が溶着されな
い。これにより、第２実施例のエアバッグドア２０にお
けるドアパネル２２,２２および可動パネル２８,２８
は、接合領域３６では相互に剥離不要となっていると共
に非接合領域３４では相互に剥離可能となっている。Even in the opening structure of the airbag door according to the second embodiment, at least a portion adjacent to the hinge portions 18 and 30 is formed on the joint surface between the door panels 22 and 22 of the airbag door 20 and the movable panels 28 and 28. A non-bonding region 34 in which both 22 and 28 can be separated from each other by providing over a required width, and a bonding region 36 which is provided in a portion other than this non-bonding region 34 and in which both 22 and 28 cannot be separated from each other. It has been defined. As a method of defining the non-bonding region 34, the panel base material 12 provided with the airbag door 20 is provided.
And the insert member 24 are separately molded, and it is assumed that the insert member 24 is joined to the back surface of the airbag door 20 based on the vibration welding method. This is a modified tool 48. That is, as shown in FIG. 7, the welding jig 48 has a contact surface 50 that does not come into contact with at least the portion corresponding to the non-bonding region 34.
As shown in FIG. 6, when the vibration welding is performed under the condition that the door panels 22, 22, and the movable panels 28,
In 28, the portion corresponding to the non-bonding region 34 is not welded. As a result, the door panels 22, 22 and the movable panels 28, 28 in the airbag door 20 of the second embodiment are provided.
Are not required to be separated from each other in the bonding region 36, and can be separated from each other in the non-bonding region 34.
【００２０】このように構成された第２実施例に係るエ
アバッグドア２０では、前記エアバッグ装置４０の作動
によりエアバッグ４２の押圧力が加わって前記開裂予定
線１６が破断すると、前記接合領域３６で相互に接合さ
れた前記ドアパネル２２,２２および可動パネル２８,２
８が、夫々のヒンジ部１８,３０を中心として一体的に
開放するようになる(図５)。このとき、ドアパネル２
２,２２および可動パネル２８,２８は、前述した如く、
夫々のヒンジ部１８,３０に隣接した部位に画成した非
接合領域３４において夫々が剥離し得るようになってい
るので、少なくともこの非接合領域３４に対応する部位
では、可動パネル２８がドアパネル２２の変形を規制し
ないと共にドアパネル２２が可動パネル２８の変形を規
制することがなく、ヒンジ部１８,３０での変形の自由
度が高められる。すなわち、開放方向内側に位置するド
アパネル２２,２２では、前記ヒンジ部１８の隣接部位
が該パネル２２の開放変位に従って圧縮的に変形するよ
うになり(図中、矢印Ａ方向)、開放方向外側に位置する
可動パネル２８,２８では、前記ヒンジ部３０の隣接部
位がパネル２８の開放変位に従って逆に伸張的に変形す
るようになるが(図中、矢印Ｂ方向)、両者２２,２８が
非接合領域３４で分離(剥離)しているので夫々の圧縮的
変形および伸張的変形が全く規制されない。In the thus constructed air bag door 20 according to the second embodiment, when the planned tear line 16 breaks due to the pressing force of the air bag 42 applied by the operation of the air bag device 40, the joining region is broken. The door panels 22, 22 and the movable panels 28, 2 joined together at 36
8 integrally opens around the hinge portions 18 and 30 (FIG. 5). At this time, the door panel 2
2, 22 and the movable panels 28, 28 are, as described above,
Since the non-bonding regions 34 defined in the regions adjacent to the respective hinge portions 18 and 30 can be peeled off from each other, at least at the regions corresponding to the non-bonding regions 34, the movable panel 28 is separated from the door panel 22. Is not regulated and the door panel 22 does not regulate the deformation of the movable panel 28, and the degree of freedom of deformation at the hinge portions 18 and 30 is increased. That is, in the door panels 22 and 22 located on the inner side in the opening direction, adjacent portions of the hinge portion 18 are deformed in a compressive manner in accordance with the opening displacement of the panel 22 (in the direction of arrow A in the figure), and the outer side in the opening direction. In the movable panel 28, 28 located, the adjacent portion of the hinge portion 30 becomes expansively deformed conversely in accordance with the opening displacement of the panel 28 (in the direction of arrow B in the figure), but both 22 and 28 are not joined. Since they are separated (separated) in the region 34, their compressive deformation and extensional deformation are not restricted at all.
【００２１】殊に可動パネル２８では、ヒンジ部３０の
近傍が伸張的に変形するとしても、少なくとも非接合領
域３４に対応した所要幅の部位が全体的に伸張して応力
を吸収するようになるから、このヒンジ部３０での急激
な変形が回避されて該ヒンジ部３０に亀裂が生ずること
がなく、従って当該可動パネル２８が固定ブラケット２
６から分離したり飛散することが好適に防止される。但
し図５では、説明および理解の便宜を図るために、非接
合領域３４におけるドアパネル２２および可動パネル２
８の剥離状態を誇大して図示しているが、実際には殆ど
密着状態となっている。Particularly, in the movable panel 28, even if the vicinity of the hinge portion 30 is deformed in an expansive manner, at least a portion having a required width corresponding to the non-bonding region 34 is entirely stretched to absorb the stress. Therefore, abrupt deformation of the hinge portion 30 is avoided and the hinge portion 30 is not cracked. Therefore, the movable panel 28 is fixed to the fixed bracket 2.
Separation and scattering from 6 are preferably prevented. However, in FIG. 5, for convenience of explanation and understanding, the door panel 22 and the movable panel 2 in the non-bonding region 34 are illustrated.
Although the peeled state of No. 8 is exaggerated in the drawing, it is actually in a close contact state.
【００２２】[0022]
【第３実施例】図８は、本願発明の第３実施例に係るエ
アバッグドアの開放構造を、ドアパネルおよび可動パネ
ルが一体的に開放している状態で示すインストルメント
パネルの要部断面図である。なおインストルメントパネ
ル１０およびエアバッグドア２０の各ドアパネル２２,
２２の構成は、前記第１実施例および第２実施例と基本
的に同一であるから同一の符号を付して説明は省略し、
相異する点についてのみ説明する。[Third Embodiment] FIG. 8 is a sectional view of an essential part of an instrument panel showing an opening structure of an airbag door according to a third embodiment of the present invention in a state where a door panel and a movable panel are integrally opened. Is. In addition, the instrument panel 10 and each door panel 22 of the airbag door 20,
The configuration of 22 is basically the same as that of the first and second embodiments, and therefore the same reference numerals are given and the description thereof is omitted.
Only different points will be described.
【００２３】第３実施例に係るエアバッグドアの開放構
造でも、エアバッグドア２０のドアパネル２２,２２お
よび前記可動パネル２８,２８の接合面に、少なくとも
前記ヒンジ部１８,３０と隣接する部位に所要幅に亘っ
て設けることで両者２２,２８が相互に剥離可能な非接
合領域３４と、この非接合領域３４以外の部位に設けら
れて両者２２,２８が剥離不能となる接合領域３６とを
画成してある。そして前記非接合領域３４を画成する方
法として、エアバッグドア２０を設けたパネル基材１２
およびインサート部材２４を別々に成形し、該エアバッ
グドア２０の裏面に対してインサート部材２４を振動溶
着法に基いて接合することを前提としたもとで、ドアパ
ネル２２,２２に対する可動パネル２８,２８の接合面の
形状を変更したものである。すなわち夫々の可動パネル
２８,２８における接合面には、図９(ａ)に示す如く、
少なくとも前記非接合領域３４に対応する部位にドアパ
ネル２２に接触しない非接触面５２を形成してあり(実
施例では、接合面に設けた凸部５４の配設間隔を非接合
領域３４において大きくすることで、この部位を非接触
面５２としている)、溶着治具５６を使用したもとで振
動溶着を行なった際には、図９(ｂ)に示すように、ドア
パネル２２,２２および可動パネル２８,２８は前記非接
合領域３４に対応した部位が溶着されなくなる。これに
より、第３実施例のエアバッグドア２０におけるドアパ
ネル２２,２２および可動パネル２８,２８は、接合領域
３６では相互に剥離不要となっていると共に非接合領域
３４では相互に剥離可能となっている。Even in the opening structure of the airbag door according to the third embodiment, at least a portion adjacent to the hinge portions 18 and 30 is provided on the joint surface between the door panels 22 and 22 of the airbag door 20 and the movable panels 28 and 28. A non-bonding region 34 in which both 22 and 28 can be separated from each other by providing over a required width, and a bonding region 36 which is provided in a portion other than this non-bonding region 34 and in which both 22 and 28 cannot be separated from each other. It has been defined. As a method of defining the non-bonding region 34, the panel base material 12 provided with the airbag door 20 is provided.
On the premise that the insert member 24 and the insert member 24 are separately molded, and the insert member 24 is joined to the back surface of the airbag door 20 based on the vibration welding method, the movable panels 28, The shape of the joint surface 28 is changed. That is, as shown in FIG. 9A, the joint surfaces of the respective movable panels 28, 28 are
A non-contact surface 52 that does not come into contact with the door panel 22 is formed at least at a portion corresponding to the non-bonding area 34 (in the embodiment, the interval of the protrusions 54 provided on the bonding surface is increased in the non-bonding area 34). Therefore, when vibration welding is performed using the welding jig 56, as shown in FIG. 9B, the door panels 22, 22 and the movable panels are not used. As for 28, 28, the portion corresponding to the non-bonding region 34 is not welded. As a result, the door panels 22, 22 and the movable panels 28, 28 of the airbag door 20 of the third embodiment need not be separated from each other in the joint area 36 and can be separated from each other in the non-joint area 34. There is.
【００２４】なお、接合面に前記夫々の凸部５４を有さ
ない可動パネル２８の場合は、前記非接合領域３４に対
応した部位を凹状に形成することにより、この部位が非
接触面５２としてドアパネル２２に接触しないようにす
ることが可能である。また前記非接触面５２は、ドアパ
ネル２２,２２の接合面における前記非接合領域３４に
対応する部位に形成するようにしてもよい。In the case of the movable panel 28 that does not have the respective convex portions 54 on the joint surface, the portion corresponding to the non-joint area 34 is formed in a concave shape, and this portion serves as the non-contact surface 52. It is possible not to touch the door panel 22. Further, the non-contact surface 52 may be formed at a portion corresponding to the non-bonding region 34 on the bonding surface of the door panels 22, 22.
【００２５】このように構成された第３実施例に係るエ
アバッグドア２０では、前記エアバッグ装置４０の作動
によりエアバッグ４２の押圧力が加わって前記開裂予定
線１６が破断すると、前記接合領域３６で相互に接合さ
れた前記ドアパネル２２,２２および可動パネル２８,２
８が、夫々のヒンジ部１８,３０を中心として一体的に
開放するようになる(図８)。このとき、ドアパネル２
２,２２および可動パネル２８,２８は、前述した如く、
夫々のヒンジ部１８,３０に隣接した部位に画成した非
接合領域３４において夫々が剥離し得るようになってい
るので、少なくともこの非接合領域３４に対応する部位
では、可動パネル２８がドアパネル２２の変形を規制し
ないと共にドアパネル２２が可動パネル２８の変形を規
制することがなく、ヒンジ部１８,３０での変形の自由
度が高められる。すなわち、開放方向内側に位置するド
アパネル２２,２２では、前記ヒンジ部１８の隣接部位
が該パネル２２の開放変位に従って圧縮的に変形するよ
うになり(図中、矢印Ａ方向)、開放方向外側に位置する
可動パネル２８,２８では、前記ヒンジ部３０の隣接部
位がパネル２８の開放変位に従って逆に伸張的に変形す
るようになるが(図中、矢印Ｂ方向)、両者２２,２８が
前記非接合領域３４で分離しているので夫々の圧縮的変
形および伸張的変形が全く規制されない。In the thus constructed air bag door 20 according to the third embodiment, when the planned tear line 16 breaks due to the pressing force of the air bag 42 applied by the operation of the air bag device 40, the joining region is broken. The door panels 22, 22 and the movable panels 28, 2 joined together at 36
8 integrally opens around the respective hinge portions 18 and 30 (FIG. 8). At this time, the door panel 2
2, 22 and the movable panels 28, 28 are, as described above,
Since the non-bonding regions 34 defined in the regions adjacent to the respective hinge portions 18 and 30 can be peeled off from each other, at least at the regions corresponding to the non-bonding regions 34, the movable panel 28 is separated from the door panel 22. Is not regulated and the door panel 22 does not regulate the deformation of the movable panel 28, and the degree of freedom of deformation at the hinge portions 18 and 30 is increased. That is, in the door panels 22 and 22 located on the inner side in the opening direction, the adjacent portion of the hinge portion 18 is deformed in a compressive manner according to the opening displacement of the panel 22 (in the direction of arrow A in the figure), and the outer side in the opening direction. In the movable panels 28, 28 located, the adjacent portion of the hinge portion 30 is inversely and expansively deformed according to the opening displacement of the panel 28 (in the direction of the arrow B in the figure), but both 22 and 28 are not in the above-mentioned non-extension. Since they are separated at the joining region 34, their respective compressive deformation and extensional deformation are not restricted at all.
【００２６】殊に可動パネル２８では、ヒンジ部３０の
近傍が伸張的に変形するとしても、少なくとも非接合領
域３４に対応した所要幅の部位が全体的に伸張して応力
を吸収するようになるから、このヒンジ部３０での急激
な変形が回避されて該ヒンジ部３０に亀裂が生ずること
がなく、従って当該可動パネル２８が固定ブラケット２
６から分離したり飛散することが好適に防止される。但
し図８では、説明および理解の便宜を図るために、非接
合領域３４においてドアパネル２２および可動パネル２
８の剥離状態を誇大して図示しているが、実際には殆ど
密着状態となっている。Particularly, in the movable panel 28, even if the vicinity of the hinge portion 30 is deformed in an expansive manner, at least a portion having a required width corresponding to the non-bonding region 34 is entirely stretched to absorb the stress. Therefore, abrupt deformation of the hinge portion 30 is avoided and the hinge portion 30 is not cracked. Therefore, the movable panel 28 is fixed to the fixed bracket 2.
Separation and scattering from 6 are preferably prevented. However, in FIG. 8, for convenience of explanation and understanding, the door panel 22 and the movable panel 2 are provided in the non-bonding region 34.
Although the peeled state of No. 8 is exaggerated in the drawing, it is actually in a close contact state.
【００２７】なお前記各実施例における非接合領域３４
の形成幅(形成長)は、前記エアバッグ４２の押圧により
ドアパネル２２および可動パネル２８が一体的に開放す
るに際し、両者２２,２８が分離しない範囲で設定され
るものである。例えば、前記非接合領域３４の形成幅を
大きく設定すれば、ドアパネル２２および可動パネル２
８の変形自由度を更に高めることが可能となるが、接合
領域３６が相対的に狭くなるので両者２２,２８の接合
強度が低くなる。The non-bonding region 34 in each of the above embodiments
The formation width (formation length) is set within a range in which the door panel 22 and the movable panel 28 are not separated when the door panel 22 and the movable panel 28 are integrally opened by the pressing of the airbag 42. For example, if the formation width of the non-bonding region 34 is set to be large, the door panel 22 and the movable panel 2 can be formed.
Although it is possible to further increase the degree of freedom of deformation of No. 8, the joining area 36 becomes relatively narrow, so that the joining strength of both 22 and 28 becomes low.
【００２８】前記各実施例では、２層タイプのインスト
ルメントパネル１０に設けたエアバッグドア２０を例示
したが、本願の開放構造は、パネル基材１２のみから構
成された単層タイプのインストルメントパネルに設けた
エアバッグドアや、パネル基材１２、表皮材１４および
クッション材から構成された３層タイプのインストルメ
ントパネルに設けたエアバッグドア等にも採用可能であ
る。In each of the above embodiments, the airbag door 20 provided on the two-layer type instrument panel 10 has been exemplified, but the open structure of the present application is a single-layer type instrument composed only of the panel base material 12. It can also be used for an airbag door provided on a panel, an airbag door provided on a three-layer type instrument panel including a panel base material 12, a skin material 14, and a cushion material.
【００２９】更に本願のエアバッグドアの開放構造は、
前記各実施例に例示した２枚のドアパネル２２,２２か
らなる両開き式のものに限定されるものではなく、１枚
のドアパネルからなる片開き式のエアバッグドアや、４
枚のドアパネルからなる４方開き式のエアバッグドアも
対象とされる。Further, the opening structure of the airbag door of the present application is
The present invention is not limited to the double-opening type door having the two door panels 22 and 22 illustrated in each of the embodiments, but is not limited to the single-opening type airbag door having one door panel or 4
A four-way opening type airbag door consisting of a single door panel is also targeted.
【００３０】更にまた本願のエアバッグドアの開放構造
は、インストルメントパネル１０に設けたエアバッグド
アに限定されるものではなく、例えばドアトリムに設け
たサイドエアバッグ用のエアバッグドアや、ピラーガー
ニッシュに設けたカーテンエアバッグ用のエアバッグド
ア等も対象とされる。Furthermore, the opening structure of the airbag door of the present application is not limited to the airbag door provided on the instrument panel 10, and for example, the airbag door for side airbags provided on the door trim and the pillar garnish. Airbag doors for curtain airbags, etc., provided in the above are also targeted.
【００３１】[0031]
【発明の効果】以上説明した如く、本発明に係るエアバ
ッグドアの開放構造によれば、ドアパネルおよび可動パ
ネルの接合面に、少なくとも夫々のヒンジ部と隣接する
部位に所要幅に亘って設けることで両者が相互に剥離可
能な非接合領域と、この非接合領域以外の部位に設けら
れて両者が剥離不能となる接合領域とを画成したことに
より、接合領域で相互に接合されたドアパネルおよび可
動パネルがヒンジ部を中心として一体的に開放する際
し、非接合領域で適宜剥離するのが許容される。これに
より開放時に、ドアパネルが可動パネルの変形を規制す
ることがなく、また可動パネルがドアパネルの変形を規
制することもないから、これらドアパネルおよび可動パ
ネルが前記ヒンジ部で破損するのを好適に防止し得る有
益な効果を奏する。なお、ドアパネルと可動パネルとの
接合面に前記非接合領域を設けるには、両者の接合面に
おける前記非接合領域に対応する部位に剥離シート材を
設ける方法や、両部材を振動溶着法に基いて接合するに
際して該非接合領域に対応した部位が溶着されないよう
にする方法、等が実施可能である。As described above, according to the opening structure of the airbag door according to the present invention, it is provided on the joint surface of the door panel and the movable panel at least at a portion adjacent to each hinge portion over a required width. By defining a non-bonding area where both can be separated from each other and a bonding area which is provided in a portion other than the non-bonding area and cannot be separated from each other, a door panel and a door panel which are bonded to each other in the bonding area. When the movable panel is integrally opened around the hinge portion, it is allowed to be appropriately peeled in the non-bonded region. As a result, when the door panel is opened, the deformation of the movable panel is not restricted, and the movable panel does not restrict the deformation of the door panel, so that the door panel and the movable panel are preferably prevented from being damaged at the hinge portion. Has a possible beneficial effect. In addition, in order to provide the non-bonding area on the bonding surface between the door panel and the movable panel, a method of providing a release sheet material on a part corresponding to the non-bonding area on the bonding surface of both or a method of vibrating both members is based on the vibration welding method. It is possible to implement a method of preventing the portion corresponding to the non-bonded region from being welded at the time of bonding.
【図１】本発明の第１実施例に係るエアバッグドアの開
放構造を、ドアパネルおよび可動パネルが一体的に開放
している状態で示すインストルメントパネルの要部断面
図である。FIG. 1 is a sectional view of a main part of an instrument panel showing an opening structure of an airbag door according to a first embodiment of the present invention in a state where a door panel and a movable panel are integrally opened.
【図２】ドアパネルおよび可動パネルの接合面が、剥離
シート材により両者が剥離可能な非接合領域と、両者が
剥離不能となる接合領域とに画成されていることを示す
エアバッグドアの断面図である。FIG. 2 is a cross-section of the airbag door showing that the joint surfaces of the door panel and the movable panel are defined by a non-joint area where both can be separated by a release sheet material and a joint area where both cannot be separated. It is a figure.
【図３】所要位置に剥離シート材を設けて予備成形され
たインサート部材および表皮材をセットしたもとで、パ
ネル基材およびエアバッグドアをインサート成形する状
態を示す断面図である。FIG. 3 is a cross-sectional view showing a state in which a panel base material and an airbag door are insert-molded under the condition that a release sheet material is provided at a required position and a preformed insert member and a skin material are set.
【図４】第１実施例の変形例に係るエアバッグドアの開
放構造を、ドアパネルおよび可動パネルが一体的に開放
している状態で示すインストルメントパネルの要部断面
図である。FIG. 4 is a sectional view of a main part of an instrument panel showing an opening structure of an airbag door according to a modified example of the first embodiment in a state where a door panel and a movable panel are integrally opened.
【図５】本発明の第２実施例に係るエアバッグドアの開
放構造を、ドアパネルおよび可動パネルが一体的に開放
している状態で示すインストルメントパネルの要部断面
図である。FIG. 5 is a cross-sectional view of a main part of an instrument panel showing an opening structure of an airbag door according to a second embodiment of the present invention in a state where a door panel and a movable panel are integrally opened.
【図６】ドアパネルおよび可動パネルの接合面が、両者
が剥離可能な非接合領域と両者が剥離不能となる接合領
域とに画成されていることを示すエアバッグドアの断面
図である。FIG. 6 is a cross-sectional view of the airbag door showing that the joint surfaces of the door panel and the movable panel are defined by a non-joint area where both can be separated and a joint area where both cannot be separated.
【図７】ドアパネルと可動パネルとを振動溶着法により
接合する状態を示す断面図であって、非接合領域に対応
する部位には接触しない当接面を有した溶着治具を使用
することで、両者の接合面に接合領域および非接合領域
を画成することを示している。FIG. 7 is a cross-sectional view showing a state where a door panel and a movable panel are joined by a vibration welding method, by using a welding jig having a contact surface that does not come into contact with a portion corresponding to a non-joined area. , And that a joining region and a non-joining region are defined on the joining surfaces of both.
【図８】本発明の第３実施例に係るエアバッグドアの開
放構造を、ドアパネルおよび可動パネルが一体的に開放
している状態で示すインストルメントパネルの要部断面
図である。FIG. 8 is a sectional view of a main part of an instrument panel showing an opening structure of an airbag door according to a third embodiment of the present invention in a state where a door panel and a movable panel are integrally opened.
【図９】ドアパネルと可動パネルとを振動溶着法により
接合する状態を示す断面図であって、(ａ)は、可動パネ
ルにおける非接合領域に対応する部位に非接触面を形成
することで、両者の接合面に接合領域および非接合領域
を画成することを示し、(ｂ)は、振動溶着法により両者
の接合面に接合領域および非接合領域を画成した状態を
示している。FIG. 9 is a cross-sectional view showing a state in which a door panel and a movable panel are joined by a vibration welding method, in which (a) is a non-contact surface formed in a portion corresponding to a non-joined region in the movable panel, It is shown that a joining area and a non-joining area are defined on the joining surfaces of both, and (b) shows a state where the joining area and the non-joining area are defined on the joining surface of both by a vibration welding method.
【図１０】パネル基材に設けたエアバッグドアを示すイ
ンストルメントパネルの側断面図である。FIG. 10 is a side sectional view of an instrument panel showing an airbag door provided on a panel base material.
【図１１】図１０に示したエアバッグドアを示す断面図
であって、２枚のドアパネルと該ドアパネルの裏面に接
合されるインサート部材の可動パネルが、エアバッグ装
置の作動時に一体的に開放するようになることを示して
いる。11 is a cross-sectional view showing the airbag door shown in FIG. 10, in which two door panels and a movable panel of an insert member joined to the back surfaces of the door panels are integrally opened when the airbag device is operated. It shows that you will come to.
【図１２】ドアパネルおよび可動パネルが全面的に接合
されていることで可動パネルの伸張的な変形が規制さ
れ、これにより該可動パネルにおけるヒンジ部に応力が
集中して該ヒンジ部に亀裂が生じた状態を示す断面図で
ある。FIG. 12 is a view in which the door panel and the movable panel are entirely bonded to each other, whereby extensional deformation of the movable panel is restricted, whereby stress concentrates on the hinge portion of the movable panel and cracks occur in the hinge portion. It is sectional drawing which shows the state which was opened.
１２ パネル基材(基材)， １８ ヒンジ部
(ドアパネルの)
２２ ドアパネル， ２４ インサート
部材
２８ 可動パネル， ３０ ヒンジ部
(可動パネルの)
３４ 非接合領域， ３６ 接合領域
４０ エアバッグ装置， ４４ 剥離シート
材
４８ 溶着治具， ５０ 当接面
５２ 非接触面12 panel base material (base material), 18 hinge part
(Door panel) 22 Door panel, 24 Insert member 28 Movable panel, 30 Hinge part
(Movable panel) 34 non-bonding area, 36 bonding area 40 airbag device, 44 release sheet material 48 welding jig, 50 contact surface 52 non-contact surface
Claims (5)
成樹脂製のドアパネル(22)と、このドアパネル(22)の裏
面に可動パネル(28)を接合した合成樹脂製のインサート
部材(24)とからなり、エアバッグ装置(40)の作動時に、
前記ドアパネル(22)および可動パネル(28)が夫々のヒン
ジ部(18,30)を中心として一体的に開放するエアバッグ
ドアの開放構造において、 前記ドアパネル(22)および可動パネル(28)の接合面に、
少なくとも前記ヒンジ部(18,30)と隣接する部位に所要
幅に亘って設けることで両者が相互に剥離可能な非接合
領域(34)と、この非接合領域(34)以外の部位に設けられ
て両者が剥離不能となる接合領域(36)とを画成し、 前記接合領域(36)で相互に接合された前記ドアパネル(2
2)および可動パネル(28)が前記ヒンジ部(18,30)を中心
として一体的に開放するに際し、前記非接合領域(34)で
は適宜剥離するのを許容することで、これらドアパネル
(22)および可動パネル(28)が該ヒンジ部(18,30)で破損
するのを防止し得るよう構成したことを特徴とするエア
バッグドアの開放構造。1. A synthetic resin door panel (22) provided on a base material (12) of a vehicle interior member, and a synthetic resin insert member (joint with a movable panel (28) on the back surface of the door panel (22). 24) and, when the airbag device (40) is activated,
In an open structure of an airbag door in which the door panel (22) and the movable panel (28) are integrally opened around respective hinge portions (18, 30), the door panel (22) and the movable panel (28) are joined together. On the surface
A non-bonding region (34) in which at least the hinge part (18, 30) is provided adjacent to the hinge part over a required width so that they can be separated from each other, and the non-bonding region (34) is provided in a part other than the non-bonding region. And the door panel (2) that is bonded to each other at the bonding area (36).
When the movable panel (28) and the movable panel (28) are integrally opened around the hinges (18, 30) as a unit, the non-bonding area (34) is allowed to be appropriately peeled off, so that these door panels
An opening structure for an airbag door, characterized in that it is configured to prevent the (22) and the movable panel (28) from being damaged at the hinge portions (18, 30).
8)における前記非接合領域(34)に対応する部位に、前記
ドアパネル(22)との相溶性が低いまたは相溶性がない剥
離シート材(44)を設け、前記接合領域(36)で相互に接合
されたドアパネル(22)および可動パネル(28)が、該非接
合領域(34)で適宜剥離するのを許容し得るようになって
いる請求項１記載のエアバッグドアの開放構造。2. A movable panel (2) for the insert member (24).
In a portion corresponding to the non-bonding region (34) in 8), a release sheet material (44) having low compatibility or incompatibility with the door panel (22) is provided, and the bonding region (36) mutually The airbag door open structure according to claim 1, wherein the joined door panel (22) and the movable panel (28) are allowed to be appropriately peeled off in the non-joined region (34).
領域(34)に対応する部位に、前記インサート部材(24)と
の相溶性が低いまたは相溶性がない剥離シート材(44)を
設け、前記接合領域(36)で相互に接合されたドアパネル
(22)および可動パネル(28)が、該非接合領域(34)で適宜
剥離するのを許容し得るようになっている請求項１記載
のエアバッグドアの開放構造。3. A release sheet material (44) having low compatibility or incompatibility with the insert member (24) is provided at a portion of the door panel (22) corresponding to the non-bonding region (34), Door panels joined together in said joining area (36)
The airbag door opening structure according to claim 1, wherein the movable panel (22) and the movable panel (28) can be appropriately separated in the non-bonding region (34).
ート部材(24)の可動パネル(28)を振動溶着法に基いて接
合するに際し、少なくとも前記非接合領域(34)に対応す
る部位には接触しない当接面(50)を有する溶着治具(48)
を使用することで、前記接合領域(36)で相互に接合され
たドアパネル(22)および可動パネル(28)が、該非接合領
域(34)で適宜剥離するのを許容し得るようになっている
請求項１記載のエアバッグドアの開放構造。4. When the movable panel (28) of the insert member (24) is joined to the back surface of the door panel (22) based on a vibration welding method, at least a portion corresponding to the non-joined region (34) is provided. A welding jig (48) having a contact surface (50) that does not contact
By using, it is possible to allow the door panel (22) and the movable panel (28) joined to each other in the joining area (36) to be appropriately separated in the non-joining area (34). The structure for opening an airbag door according to claim 1.
ート部材(24)の可動パネル(28)を振動溶着法に基いて接
合するに際し、少なくとも前記非接合領域(34)に対応す
る部位では両者が接触しない非接触面(52)を該ドアパネ
ル(22)またはインサート部材(24)の何れかに形成してお
くことで、前記接合領域(36)で相互に接合されたドアパ
ネル(22)および可動パネル(28)が、該非接合領域(34)で
適宜剥離するのを許容し得るようになっている請求項１
記載のエアバッグドアの開放構造。5. When the movable panel (28) of the insert member (24) is joined to the back surface of the door panel (22) based on a vibration welding method, at least at a portion corresponding to the non-joined region (34). By forming the non-contact surface (52) that does not contact with the door panel (22) or the insert member (24), the door panel (22) and the movable member which are joined to each other in the joining region (36) are formed. The panel (28) is adapted to allow proper peeling in the non-bonded area (34).
Opening structure of the airbag door described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001355087A JP3937296B2 (en) | 2001-11-20 | 2001-11-20 | Airbag door opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001355087A JP3937296B2 (en) | 2001-11-20 | 2001-11-20 | Airbag door opening structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003154916A true JP2003154916A (en) | 2003-05-27 |
| JP3937296B2 JP3937296B2 (en) | 2007-06-27 |
Family
ID=19166844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001355087A Expired - Fee Related JP3937296B2 (en) | 2001-11-20 | 2001-11-20 | Airbag door opening structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3937296B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005238938A (en) * | 2004-02-25 | 2005-09-08 | Sanko Gosei Ltd | Automobile airbag unit |
| JP2007506615A (en) * | 2003-09-24 | 2007-03-22 | ファウレシア イネンラウム システム ゲーエムベーハー | Interior parts for covering airbags |
| JP2007253719A (en) * | 2006-03-22 | 2007-10-04 | Toyota Motor Corp | Retainer mounting structure |
| JP2008120150A (en) * | 2006-11-09 | 2008-05-29 | Suiryo Plastics Co Ltd | Retainer for airbag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071924A (en) * | 1998-07-06 | 2000-03-07 | Lear Corp | Instrument panel and air bag support assembly attached thereto |
| JP2001294114A (en) * | 2000-04-17 | 2001-10-23 | Honda Motor Co Ltd | Instrument panel with air bag |
-
2001
- 2001-11-20 JP JP2001355087A patent/JP3937296B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071924A (en) * | 1998-07-06 | 2000-03-07 | Lear Corp | Instrument panel and air bag support assembly attached thereto |
| JP2001294114A (en) * | 2000-04-17 | 2001-10-23 | Honda Motor Co Ltd | Instrument panel with air bag |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007506615A (en) * | 2003-09-24 | 2007-03-22 | ファウレシア イネンラウム システム ゲーエムベーハー | Interior parts for covering airbags |
| KR101086746B1 (en) | 2003-09-24 | 2011-11-24 | 파우레시아 이넨라움 시스템 게엠바하 | Interior trim part for covering an airbag |
| JP2005238938A (en) * | 2004-02-25 | 2005-09-08 | Sanko Gosei Ltd | Automobile airbag unit |
| JP2007253719A (en) * | 2006-03-22 | 2007-10-04 | Toyota Motor Corp | Retainer mounting structure |
| JP4710677B2 (en) * | 2006-03-22 | 2011-06-29 | トヨタ自動車株式会社 | Retainer mounting structure |
| JP2008120150A (en) * | 2006-11-09 | 2008-05-29 | Suiryo Plastics Co Ltd | Retainer for airbag |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3937296B2 (en) | 2007-06-27 |
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