JP3202487B2 - Automotive trim - Google Patents
Automotive trimInfo
- Publication number
- JP3202487B2 JP3202487B2 JP15100994A JP15100994A JP3202487B2 JP 3202487 B2 JP3202487 B2 JP 3202487B2 JP 15100994 A JP15100994 A JP 15100994A JP 15100994 A JP15100994 A JP 15100994A JP 3202487 B2 JP3202487 B2 JP 3202487B2
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- trim
- legs
- leg
- main body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動車のドアインナパネ
ルやリヤサイドインナパネル等、車室側部のパネル面に
装着されて、該パネル面を装飾する自動車用トリムに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trim for a vehicle, which is mounted on a panel surface on the side of a vehicle compartment, such as a door inner panel or a rear side inner panel, and which decorates the panel surface.
【０００２】[0002]
【従来の技術】自動車用トリムの中には、例えば実開平
２−６４４２２号公報に示されているように、車両の側
面衝突時対策としてトリム本体の裏面にハニカム構造の
エネルギ吸収部を設け、車両の側面衝突時等に乗員が車
室側部へ慣性移動した場合に、このハニカム状のエネル
ギ吸収部の座屈変形によって衝突エネルギを吸収させ
て、乗員を保護するようにしたものが知られている。2. Description of the Related Art As disclosed in Japanese Utility Model Application Laid-Open No. 2-64422, for example, an energy absorbing portion having a honeycomb structure is provided on the back surface of a trim main body as a countermeasure in the event of a side collision of a vehicle. BACKGROUND ART When an occupant moves to the side of a passenger compartment due to, for example, a side collision of a vehicle, a buckling deformation of the honeycomb-shaped energy absorbing portion absorbs collision energy to protect the occupant. ing.
【０００３】[0003]
【発明が解決しようとする課題】エネルギ吸収部がハニ
カム構造であるため、樹脂材で型成形する場合、該エネ
ルギ吸収部をトリム本体と一体成形又は別体成形の如何
にかかわらず型抜きが困難で成形性が悪くなってしまう
ことは否めない。Since the energy absorbing portion has a honeycomb structure, it is difficult to release the energy absorbing portion from a resin material regardless of whether the energy absorbing portion is formed integrally with the trim body or separately. It is undeniable that the moldability deteriorates.
【０００４】また、エネルギ吸収部がハニカム構造であ
るため、座屈変形時の初期反力が大きくなって理想的な
低反力の変形モードが得にくくなってしまう。In addition, since the energy absorbing portion has a honeycomb structure, the initial reaction force at the time of buckling deformation becomes large, and it becomes difficult to obtain an ideal low reaction force deformation mode.
【０００５】更に、前述のハニカム構造を樹脂材で形成
する場合、ハニカムの隔壁は成形上ある程度肉厚を大き
くする必要があることから、座屈変形時の初期反力を極
力低めるためには、トリム本体裏面からの突出高を大き
くする必要があり、車室内スペースを狭めてしまうのみ
ならず、トリムの重量が嵩んで車体の軽量化に逆行して
しまう不具合を生じる。Further, when the above-mentioned honeycomb structure is formed of a resin material, it is necessary to increase the thickness of the partition walls of the honeycomb to a certain extent in order to reduce the initial reaction force at the time of buckling deformation. It is necessary to increase the protruding height from the rear surface of the trim body, which not only reduces the cabin space, but also causes a problem that the weight of the trim increases and goes against weight reduction of the vehicle body.
【０００６】そこで、本発明は成形性がよく、しかも、
座屈変形時の初期反力が低く理想的な変形モードが得ら
れる衝突エネルギ吸収用のリブを備えた自動車用トリム
を提供するものである。Therefore, the present invention has good moldability, and
An object of the present invention is to provide a trim for an automobile having a rib for absorbing collision energy capable of obtaining an ideal deformation mode with a low initial reaction force at the time of buckling deformation.
【０００７】[0007]
【課題を解決するための手段】請求項１にあっては、車
室側部のパネル面に装着されて、該パネル面を装飾する
トリム本体の裏面に、受圧部とその両側の支脚部とでブ
リッジ状に形成した衝突エネルギ吸収用のリブを設ける
と共に、両側の支脚部間の受圧部裏面に、これら支脚部
と同一の形成方向に補助支脚部を一体成形し、該補助支
脚部にはその両側面から対向的にスリットを設けて形成
した薄肉部を多段に形成してある。 According to a first aspect of the present invention, a pressure receiving portion and supporting legs on both sides thereof are mounted on a back surface of a trim main body which is mounted on a panel surface on a vehicle compartment side and decorates the panel surface. A rib for absorbing collision energy formed in a bridge shape is provided , and an auxiliary support leg is integrally formed on the back surface of the pressure receiving portion between the support legs on both sides in the same forming direction as the support legs.
Legs are formed with slits facing each other from both sides
The thin portion is formed in multiple stages.
【０００８】[0008]
【０００９】請求項２にあっては、スリットを補助支脚
部の一般部の厚み幅よりも狭幅に形成してある。According to the second aspect , the slit is formed to be narrower than the thickness of the general portion of the auxiliary support leg.
【００１０】請求項３にあっては、複数個の薄肉部は厚
み幅を異ならせて形成してある。[0010] In the third aspect, the plurality of thin portions are formed to have different thicknesses and widths.
【００１１】[0011]
【作用】請求項１によれば、車両の側面衝突時等に乗員
が車室側部へ慣性移動し、トリム本体に干渉してその裏
面のリブに軸方向に衝突荷重が作用すると、このリブが
トリム本体と車体パネルとの間で座屈変形して衝突エネ
ルギを吸収する。According to the first aspect, when the occupant inertia moves to the side of the cabin during a side collision of the vehicle or the like, and interferes with the trim main body, the collision load acts on the rib on the rear surface in the axial direction. Buckles between the trim body and the vehicle body panel to absorb collision energy.
【００１２】この時、衝突エネルギ吸収用のリブは受圧
部とその両側の支脚部とでブリッジ状に形成されている
ため、受圧部の曲げ変形と両側の支脚部および支脚部間
の補助支脚部の座屈変形がスムーズに行われて、変形時
の初期反力を小さく抑えることができる。At this time, since the rib for absorbing the collision energy is formed in a bridge shape by the pressure receiving portion and the supporting legs on both sides thereof, the bending deformation of the pressure receiving portion and the supporting legs on both sides and the auxiliary supporting portions between the supporting portions. Buckling deformation is performed smoothly, and the initial reaction force at the time of deformation can be suppressed small.
【００１３】また、ブリッジ状のリブは補助支脚部を備
えているので、この補助支脚部数によって衝突エネルギ
吸収量を任意に調整することができ、最適な衝突エネル
ギ吸収特性を得ることができる。Further, since the bridge-shaped rib has the auxiliary support legs, the amount of collision energy absorption can be arbitrarily adjusted by the number of the auxiliary support legs, so that optimum collision energy absorption characteristics can be obtained.
【００１４】一方、このような衝突エネルギ吸収特性上
の利点とは別に、リブはブリッジ状であり、かつ、補助
支脚部を支脚部と同一の形成方向に一体成形してあるか
ら、樹脂材で型成形する場合に、トリム本体と一体成形
又は別体成形の如何にかかわらず成形型の型抜きを容易
に行え、成形性を向上することができる。On the other hand, apart from such an advantage in terms of the collision energy absorption characteristic, the ribs are bridge-shaped, and the auxiliary support legs are integrally formed in the same forming direction as the support legs. In the case of molding, regardless of whether the molding is performed integrally with or separately from the trim main body, the molding die can be easily removed, and the moldability can be improved.
【００１５】更に、リブは座屈変形がスムーズに行われ
て変形有効ストロークを十分に確保できることから、ト
リム本体裏面からの突出高を比較的小さく抑えることが
でき、車室内スペースを狭めることはない。Further, since the ribs are smoothly buckled and a sufficient deformation effective stroke can be secured, the height of the rib protruding from the rear surface of the trim body can be kept relatively small, and the space in the vehicle compartment is not narrowed. .
【００１６】しかも、補助支脚部にはその両側面から対
向的にスリットを設けて形成した薄肉部を多段に備えて
いるため、座屈変形時に該補助支脚部は各薄肉部から軸
方向の座屈変形が誘起されて、スムーズに座屈変形する
から、リブの全体的な軸方向の座屈変形を促進すること
ができる。In addition , the auxiliary supporting leg is provided with a multi-stage thin portion formed by providing slits from both sides thereof.
Are therefore, is the auxiliary support leg when buckling deformation is induced buckling deformation in the axial direction from the thin portion, from smooth to buckling deformation, promoting overall axial buckling deformation of the ribs Can be.
【００１７】また、薄肉部の段数によって衝突エネルギ
吸収特性を任意に調整することができる。Further, the collision energy absorption characteristic can be arbitrarily adjusted by the number of steps of the thin portion.
【００１８】請求項２によれば、補助支脚部の両側面の
スリットは、補助支脚部の一般部の厚み幅よりも狭幅に
形成してあるから、薄肉部から座屈開始した際にスリッ
トの上下縁が干渉して補助支脚部の曲げ変形が抑制さ
れ、該補助支脚部を確実に軸方向に座屈変形させること
ができる。According to the second aspect, the slits on both side surfaces of the auxiliary supporting leg are formed to have a width smaller than the thickness of the general portion of the auxiliary supporting leg. The upper and lower edges interfere with each other to suppress bending deformation of the auxiliary support leg, and the auxiliary support leg can be reliably buckled and deformed in the axial direction.
【００１９】請求項３によれば、補助支脚部に多段に設
けた複数個の薄肉部は、その厚み幅を異ならせることに
よって衝突エネルギ吸収特性を任意に調整することがで
きる。According to the third aspect , the plurality of thin portions provided on the auxiliary supporting leg in multiple stages can arbitrarily adjust the collision energy absorption characteristics by making the thickness width different.
【００２０】[0020]
【実施例】以下、本発明の実施例をドアトリムを例にと
って図面と共に詳述する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings by taking a door trim as an example.
【００２１】図１〜３において、１はドア本体Ｄのドア
インナパネルＤａ面に図外のクリップ等によって装着さ
れた樹脂製のトリム本体で、その略中央部分にはアーム
レスト２を車室側に向けて膨出成形してあると共に、下
側部にポケット部３を設けてある。1 to 3, reference numeral 1 denotes a resin trim main body mounted on a door inner panel Da surface of a door main body D by a clip (not shown) or the like. It is bulged and has a pocket 3 on the lower side.
【００２２】そして、このトリム本体１の裏面１ａの所
要部位、つまり、車両の側面衝突等により図外の座席に
着座した乗員が側方へ慣性移動した際に最も荷重を受け
易い部位、例えば、座席に着座した乗員の着座重心とな
る腰部の側方に相当する部位と、着座した乗員の肩部の
側方に相当する部位にリブ４，４を該トリム本体１と一
体に成形してある。A required portion of the rear surface 1a of the trim main body 1, that is, a portion which is most susceptible to a load when an occupant seated on a seat (not shown) is inertially moved laterally due to a side collision of the vehicle, for example, Ribs 4 and 4 are formed integrally with the trim main body 1 at a portion corresponding to the side of the waist, which is the center of gravity of the seated occupant, and at a portion corresponding to the side of the shoulder of the seated occupant. .
【００２３】リブ４はトリム本体１と平行な受圧部５
と、その両側の支脚部６，６とでブリッジ状に形成して
ある。The rib 4 is a pressure receiving portion 5 parallel to the trim main body 1.
And the supporting legs 6, 6 on both sides thereof are formed in a bridge shape.
【００２４】支脚部６，６はリブ４の軸方向の座屈変形
が行われ易いように外向きに傾斜成形して、リブ４が台
形のブリッジ形状となるようにしてある。The legs 6, 6 are inclined outwardly so that the ribs 4 are easily buckled in the axial direction, so that the ribs 4 have a trapezoidal bridge shape.
【００２５】支脚部６，６間の受圧部５の裏面、例えば
受圧部５の裏面中央部には、トリム本体１の裏面１ａに
跨がって１つの補助支脚部７を支脚部６，６と同一の形
成方向に一体成形してある。On the back surface of the pressure receiving portion 5 between the legs 6, 6, for example, at the center of the back surface of the pressure receiving portion 5, one auxiliary supporting leg 7 is provided across the back surface 1 a of the trim main body 1. And are integrally formed in the same forming direction.
【００２６】補助支脚部７は、その両側面に対向してス
リット９を設けて形成した薄肉部８を多段に複数個形成
してある。The auxiliary support leg 7 has a plurality of thin portions 8 formed in multiple stages by forming slits 9 on both sides thereof.
【００２７】スリット９は補助支脚部７の一般部の厚み
幅よりも十分に狭幅に形成してある。The slit 9 is formed sufficiently narrower than the thickness of the general portion of the auxiliary leg 7.
【００２８】以上の実施例構造によれば、車両の側面衝
突時等に乗員が車室側部へ慣性移動して、乗員の腰部お
よび肩部がトリム本体１に干渉し、リブ４に軸方向に荷
重が作用すると、該トリム本体１とドアインナパネルＤ
ａとの間でリブ４が座屈変形し、このリブ４の座屈変形
によって衝突エネルギが吸収される。According to the structure of the above embodiment, the occupant inertia moves to the side of the cabin at the time of a side collision of the vehicle or the like, and the waist and the shoulder of the occupant interfere with the trim main body 1, and the rib 4 is moved in the axial direction. When a load acts on the trim body 1 and the door inner panel D
The rib 4 buckles and deforms between the ribs 4a, and the buckling deformation of the rib 4 absorbs collision energy.
【００２９】ここで、前記リブ４は受圧部５とその両側
の支脚部６，６とで台形のブリッジ状に形成してあるた
め、受圧部５の曲げ変形と両側の支脚部６，６およびそ
れらの中間部に配設した補助支脚部７の座屈変形がスム
ーズに行われて、図４に示すように従来のハニカム構造
のエネルギ吸収特性（ｂ線）と較べて、ａ線で示す如く
変形時の初期反力を小さく抑えることができると共に特
性を安定化させることができて、衝突エネルギを効率よ
く吸収することができる。Here, since the rib 4 is formed in a trapezoidal bridge shape by the pressure receiving portion 5 and the supporting legs 6 and 6 on both sides thereof, the bending deformation of the pressure receiving portion 5 and the supporting legs 6 and 6 on both sides and The buckling deformation of the auxiliary supporting legs 7 disposed at the intermediate portions is smoothly performed, and as shown by the a-line as compared with the energy absorption characteristic (b-line) of the conventional honeycomb structure as shown in FIG. The initial reaction force at the time of deformation can be suppressed to a small value, the characteristics can be stabilized, and the collision energy can be efficiently absorbed.
【００３０】とりわけ、本実施例にあっては補助支脚部
７にはその両側面から対向的にスリット９を設けて形成
した薄肉部８を多段に複数個形成してあるから、リブ４
の座屈変形時にはこの補助支脚部７が各薄肉部８から軸
方向の座屈変形が誘起されてスムーズに座屈し、リブ４
の全体的な軸方向の座屈変形を促進して、効率的な衝突
エネルギ吸収作用を行わせることができる。In particular, in this embodiment, the auxiliary support leg 7 is provided with a plurality of thin portions 8 formed by providing slits 9 from opposite sides from both sides thereof in multiple stages.
When the buckling deformation of the rib 4 occurs, the auxiliary supporting leg 7 is buckled smoothly by the buckling deformation in the axial direction induced from each thin portion 8.
Buckling deformation in the entire axial direction can be promoted, and an efficient collision energy absorbing action can be performed.
【００３１】しかも、前記スリット９の溝幅Ｌは補助支
脚部７の一般部の厚み幅Ｔよりも十分に狭幅に形成して
あるため、薄肉部８から座屈開始した際に補助支脚部７
が曲げ変形しようとしても、スリット９の上下縁が直ち
に干渉してこの曲げ変形を抑制し、補助支脚部７を確実
に軸方向に座屈変形させることができる。Further, since the groove width L of the slit 9 is formed to be sufficiently narrower than the thickness T of the general portion of the auxiliary support leg 7, when the buckling starts from the thin portion 8, the auxiliary support portion 7 is formed. 7
However, even if it attempts to bend, the upper and lower edges of the slit 9 immediately interfere with each other to suppress the bending deformation, and the auxiliary support leg 7 can be reliably buckled in the axial direction.
【００３２】また、図３の鎖線で示すように補助支脚部
７の設定数を調整したり、あるいは、該補助支脚部７の
薄肉部８の成形段数を調整することによって、衝突エネ
ルギ吸収特性を任意に調整することができ、要求される
最適な衝突エネルギ吸収特性を容易に得ることができ
る。Further, as shown by a chain line in FIG. 3, the collision energy absorption characteristics can be improved by adjusting the set number of the auxiliary support legs 7 or by adjusting the number of forming steps of the thin portion 8 of the auxiliary support legs 7. It can be arbitrarily adjusted, and the required optimum collision energy absorption characteristics can be easily obtained.
【００３３】一方、このような衝突エネルギ吸収特性上
の効果とは別に、リブ４は形状的に成形が容易なブリッ
ジ状に形成してあり、また、補助支脚部７を支脚部６，
６と同一の形成方向に形成して、図外の成形型の型抜き
方向に一致させてあるから成形型の型抜きを容易に行
え、成形性を向上することができる。On the other hand, apart from such an effect on the collision energy absorption characteristic, the rib 4 is formed in a bridge shape which is easily formed in shape, and the auxiliary support leg 7 is connected to the support leg 6,
6, since it is formed in the same forming direction and coincides with the unmolding direction of the unmolded mold, the mold can be easily removed from the mold and the moldability can be improved.
【００３４】また、リブ４は前述のようにその座屈変形
がスムーズに行われて変形有効ストロークを十分に確保
できるから、トリム本体１の裏面１ａからの突出高を比
較的小さく抑えることができ、従って、車室内スペース
を狭めることはない。As described above, the buckling deformation of the rib 4 is smoothly performed, and a sufficient deformation effective stroke can be ensured. Therefore, the protrusion height of the trim main body 1 from the back surface 1a can be kept relatively small. Therefore, the vehicle interior space is not reduced.
【００３５】図５は補助支脚部７の異なる例を示すもの
で、本実施例にあっては補助支脚部７に多段に形成した
複数個の薄肉部８の厚み幅を異ならせて、例えば補助支
脚部７の突出高さ方向の両端部から中央部に至るに従っ
て薄肉部８の厚み幅を漸次薄く形成して、補助支脚部７
の座屈変形をその中央部分から誘起させ、補助支脚部７
の軸方向の座屈変形をより一層スムーズに行わせるよう
にしてある。FIG. 5 shows a different example of the auxiliary leg 7 in this embodiment. In this embodiment, a plurality of thin portions 8 formed in multiple stages on the auxiliary leg 7 have different thickness widths. The thickness of the thin portion 8 is gradually reduced from both ends of the support leg 7 in the protruding height direction to the center, and the auxiliary support 7 is formed.
Buckling is induced from the central part of the supporting leg 7
Buckling deformation in the axial direction is performed more smoothly.
【００３６】この実施例のように補助支脚部７の複数個
の薄肉部８の厚み幅を異ならせて形成することにより、
補助支脚部７の軸方向の座屈変形の促進作用が得られる
他、衝突エネルギ吸収特性を任意に調整できる利点があ
る。By forming the plurality of thin portions 8 of the auxiliary leg 7 with different thickness widths as in this embodiment,
In addition to the effect of promoting the buckling deformation of the auxiliary support leg 7 in the axial direction, there is an advantage that the collision energy absorption characteristics can be arbitrarily adjusted.
【００３７】なお、前記実施例ではリブ４をトリム本体
１の裏面１ａに一体成形しているが、リブ４をトリム本
体１と別体成形して該トリム本体１の裏面１ａの所要部
位に固着するようにしてもよい。In the above embodiment, the ribs 4 are formed integrally with the rear surface 1a of the trim main body 1. However, the ribs 4 are formed separately from the trim main body 1 and are fixed to required portions of the rear surface 1a of the trim main body 1. You may make it.
【００３８】この場合、例えば図３に符号１で示したト
リム本体を樹脂製のベースプレート１０として置き換え
て、リブ４を該ベースプレート１０と一体成形すればよ
い。In this case, for example, the rib 4 may be formed integrally with the base plate 10 by replacing the trim main body indicated by reference numeral 1 in FIG. 3 with a base plate 10 made of resin.
【００３９】[0039]
【発明の効果】以上、本発明によれば次に列挙する効果
を奏せられる。According to the present invention, the following effects can be obtained.
【００４０】(1) トリム本体の裏面に設けたリブは受圧
部とその両側の支脚部とでブリッジ状に形成して、受圧
部裏面にこれら支脚部と同一の形成方向に補助支脚部を
一体成形してあるため、車両の側面衝突時等にリブが軸
方向の衝突荷重を受けた場合に、受圧部の曲げ変形と支
脚部および補助支脚部の座屈変形とがスムーズに行わ
れ、変形時の初期反力を小さく抑えて衝突エネルギを吸
収でき、乗員を安全に保護することができる。(1) The rib provided on the back surface of the trim main body is formed in a bridge shape by the pressure receiving portion and the supporting leg portions on both sides thereof, and the auxiliary supporting leg portion is integrally formed on the back surface of the pressure receiving portion in the same forming direction as these supporting leg portions. Due to the molded shape, when the rib receives an axial collision load at the time of a side collision of the vehicle, etc., the bending deformation of the pressure receiving portion and the buckling deformation of the support leg and the auxiliary support leg are performed smoothly, and the deformation The initial reaction force at the time can be kept small to absorb the collision energy, and the occupant can be protected safely.
【００４１】(2) ブリッジ状のリブは補助支脚部を備え
ているから、該補助支脚部数によって衝突エネルギ吸収
量を任意に調整することができ、要求される最適な衝突
エネルギ吸収特性を容易に得ることができる。(2) Since the bridge-shaped ribs have auxiliary legs, the amount of collision energy absorption can be arbitrarily adjusted depending on the number of the auxiliary legs, and the required optimum collision energy absorption characteristics can be easily adjusted. Obtainable.
【００４２】(3) リブを形状的に成形が容易なブリッジ
状に形成し、補助支脚部を支脚部と同一の形成方向に形
成してあるから、樹脂材で型成形する場合に成形型の型
抜きが容易となり、トリム本体と一体成形又は別体成形
の如何にかかわらず成形性を向上することができてコス
トダウンを図ることができる。(3) Since the ribs are formed in a bridge shape that is easy to form, and the auxiliary support legs are formed in the same forming direction as the support legs, the ribs are formed in the same shape as the support legs. The mold can be easily removed, and the moldability can be improved irrespective of the integral molding or the separate molding with the trim main body, and the cost can be reduced.
【００４３】(4) リブは座屈変形がスムーズに行われて
変形有効ストロークを十分に確保できるから、トリム本
体裏面からの突出高を比較的小さく抑えることができ、
車室内スペースを狭めることがない。(4) Since the buckling deformation of the rib is performed smoothly and a sufficient deformation effective stroke can be secured, the protrusion height from the back surface of the trim main body can be suppressed to a relatively small value.
It does not narrow the cabin space.
【００４４】(5) 補助支脚部にはその両側面から対向的
にスリットを設けて形成した薄肉部を多段に備えている
ため、座屈変形時に補助支脚部は各薄肉部から軸方向の
座屈変形が誘起されてスムーズに座屈変形するから、リ
ブの全体的な軸方向の座屈変形を促進させて、安定した
衝突エネルギ吸収特性を得ることができる。(5) Since the auxiliary supporting portions are provided with a plurality of thin portions formed with slits facing each other from both side surfaces, the auxiliary supporting portions are axially seated from each of the thin portions during buckling deformation. Since the buckling deformation is induced and the buckling deformation is smoothly performed, the overall buckling deformation of the rib in the axial direction is promoted, and a stable collision energy absorbing characteristic can be obtained.
【００４５】(6) 補助支脚部は薄肉部を多段に備えてい
るので、該薄肉部の段数によって衝突エネルギ吸収特性
を任意に調整でき、設計の自由度を拡大できる。(6) Since the auxiliary supporting leg has a plurality of thin portions, the collision energy absorption characteristics can be arbitrarily adjusted according to the number of the thin portions, and the degree of freedom in design can be increased.
【００４６】(7) 補助支脚部の両側面のスリットは、補
助支脚部の一般部の厚み幅よりも狭幅に形成してあるか
ら、補助支脚部が各薄肉部から座屈開始した際にスリッ
トの上下縁が干渉して補助支脚部の曲げ変形が抑制さ
れ、補助支脚部を確実に軸方向に座屈変形させることが
できる。(7) Since the slits on both sides of the auxiliary leg are formed to be narrower than the thickness of the general portion of the auxiliary leg, when the auxiliary leg starts buckling from each thin portion. Since the upper and lower edges of the slit interfere with each other, bending deformation of the auxiliary support leg is suppressed, and the auxiliary support leg can be reliably buckled and deformed in the axial direction.
【００４７】(8) 補助支脚部の複数個の薄肉部の厚み幅
を異ならせることによって衝突エネルギ吸収特性を任意
に調整できるから、設計の自由度を拡大できる。(8) Since the collision energy absorption characteristics can be arbitrarily adjusted by varying the thickness of the plurality of thin portions of the auxiliary leg, the degree of freedom in design can be increased.
【図１】本発明の第１実施例を示す斜視図。FIG. 1 is a perspective view showing a first embodiment of the present invention.
【図２】同実施例のトリム本体を裏側から見た斜視図。FIG. 2 is a perspective view of the trim main body of the embodiment viewed from the back side.
【図３】図２のＡ−Ａ線に沿う拡大断面図。FIG. 3 is an enlarged sectional view taken along the line AA of FIG. 2;
【図４】リブの衝突エネルギ吸収特性図。FIG. 4 is a graph showing a collision energy absorption characteristic of a rib.
【図５】本発明の第２実施例のリブ部分を示す図３と同
様の断面図。FIG. 5 is a sectional view similar to FIG. 3, showing a rib portion according to a second embodiment of the present invention.
１ トリム本体 ４ リブ ５ 受圧部 ６ 支脚部 ７ 補助支脚部 DESCRIPTION OF SYMBOLS 1 Trim main body 4 Rib 5 Pressure receiving part 6 Support leg 7 Auxiliary support leg
フロントページの続き (72)発明者 高橋 信彦 神奈川県横浜市神奈川区宝町２番地 日 産自動車株式会社内 (56)参考文献 実開 平３−49110（ＪＰ，Ｕ) 実開 平４−128912（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B60J 5/00 B60R 13/02 B60R 21/04 Continuation of front page (72) Inventor Nobuhiko Takahashi 2 Takara-cho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Nissan Motor Co., Ltd. (56) References JP-A 3-49110 (JP, U) JP-A 4-128912 (JP) , U) (58) Fields investigated (Int. Cl. 7 , DB name) B60J 5/00 B60R 13/02 B60R 21/04
Claims (3)
ネル面を装飾するトリム本体の裏面に、受圧部とその両
側の支脚部とでブリッジ状に形成した衝突エネルギ吸収
用のリブを設けると共に、両側の支脚部間の受圧部裏面
に、これら支脚部と同一の形成方向に補助支脚部を一体
形成し、該補助支脚部はその両側面から対向的にスリッ
トを設けて形成した薄肉部を多段に備えていることを特
徴とする自動車用トリム。 1. A collision energy absorbing rib formed on a back surface of a trim main body which is mounted on a panel surface on a side portion of a vehicle compartment and which decorates the panel surface, is formed in a bridge shape by a pressure receiving portion and supporting legs on both sides thereof. And an auxiliary support leg integrated with the support leg on the back of the pressure receiving section between the support legs on both sides in the same forming direction as these support legs.
And the auxiliary legs are slit from opposite sides thereof.
It is characterized in that it has multiple stages of thin parts formed by providing
Automotive trim.
よりも狭幅に形成してあることを特徴とする請求項１記
載の自動車用トリム。 2. A slit width of the general portion of the auxiliary leg portion.
2. The structure according to claim 1, wherein the width is smaller than the width.
Onboard trim.
成してあることを特徴とする請求項１，２記載の自動車
用トリム。 3. A plurality of thin portions having different thicknesses and widths.
The vehicle according to claim 1, wherein the vehicle is formed.
For trim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15100994A JP3202487B2 (en) | 1994-07-01 | 1994-07-01 | Automotive trim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15100994A JP3202487B2 (en) | 1994-07-01 | 1994-07-01 | Automotive trim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0811541A JPH0811541A (en) | 1996-01-16 |
| JP3202487B2 true JP3202487B2 (en) | 2001-08-27 |
Family
ID=15509303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15100994A Expired - Fee Related JP3202487B2 (en) | 1994-07-01 | 1994-07-01 | Automotive trim |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3202487B2 (en) |
-
1994
- 1994-07-01 JP JP15100994A patent/JP3202487B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811541A (en) | 1996-01-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |