JP3352805B2 - Shock absorbing structure that can be assembled - Google Patents
Shock absorbing structure that can be assembledInfo
- Publication number
- JP3352805B2 JP3352805B2 JP06613194A JP6613194A JP3352805B2 JP 3352805 B2 JP3352805 B2 JP 3352805B2 JP 06613194 A JP06613194 A JP 06613194A JP 6613194 A JP6613194 A JP 6613194A JP 3352805 B2 JP3352805 B2 JP 3352805B2
- Authority
- JP
- Japan
- Prior art keywords
- absorbing structure
- shock absorbing
- structural element
- assembled
- shape
- 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
- Steering Controls (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば自動車におけ
る外装部品、内装部品において外的、内的に衝撃を受け
る部位に附設して衝撃力を緩衝するための組立て可能な
衝撃吸収構造体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assemblable shock absorbing structure which is attached to an externally or internally shocked part of, for example, an exterior part or an interior part of an automobile to absorb an impact force.
【０００２】従来、この種の自動車において例えば図１
６に示すように急停車等により乗員の膝部Ｎがステアリ
ングコラム１に衝突するのを保護するため、同ステアリ
ングコラム１に保護装置２が取付けられ、この保護装置
２の公知のものとして例えば特開昭６４−９０４８号公
報（特願昭６２−１６５７０９号）のものがある。この
公報に開示された保護装置２は、図１７に示すようにス
テアリングコラム１の下部側を被覆するコラムカバー３
は下方へ膨出する膨出部４を有し、この膨出部４の内側
面に緩衝部材として複数本のリブ５が縦横に格子状に突
出され、取付部６を介してステアリングコラム２側に取
付ける構成とされ、このコラムカバー３に乗員の膝部Ｎ
が衝突するとリブ５が座屈するように設けられている。
また、他の構成の保護装置７としては図１８に示すよう
にコラムカバー８と別体の格子枠状のリブ体９を取付片
９ａを介してコラムカバー８の組付け部８ａに一体状に
組付け、取付部１０を介したステアリングコラム２側に
取付けられ、上記と同様にコラムカバー８に乗員の膝部
Ｎが衝突するとリブ体９が座屈するように設けられてい
る。2. Description of the Related Art Conventionally, in this kind of automobile, for example, FIG.
As shown in FIG. 6, a protection device 2 is attached to the steering column 1 in order to protect the occupant's knee N from colliding with the steering column 1 due to a sudden stop or the like. JP-A-64-9048 (Japanese Patent Application No. 62-165709). The protection device 2 disclosed in this publication has a column cover 3 that covers the lower side of the steering column 1 as shown in FIG.
Has a swelling portion 4 which swells downward, and a plurality of ribs 5 projecting in a grid pattern vertically and horizontally from the inner surface of the swelling portion 4 as cushioning members, The column cover 3 is attached to the knee N of the occupant.
Are provided so that the ribs 5 buckle when a collision occurs.
As a protection device 7 of another configuration, as shown in FIG. 18, a grid frame-shaped rib body 9 separate from the column cover 8 is integrally formed on an attachment portion 8a of the column cover 8 via a mounting piece 9a. The rib body 9 is attached to the steering column 2 side via the assembling and attaching portion 10 and buckled when the occupant's knee N collides with the column cover 8 in the same manner as described above.
【０００３】しかしながら、保護装置２はコラムカバー
３に複数のリブ５を格子状に一体成形する構成であるか
ら、成形金型が複雑となって金型費が増大し、補修の際
にも困難であり、また、十分な緩衝効果を付与するため
に、コラムカバー３の形状によってはリブ５の成形に制
約を生じて高低を付したり、ボス１１を並設しなければ
ならないのでコスト高となる問題があり、また、一体成
形品であるため、リブ５は座屈してもよいが、コラムカ
バー３は破壊してはならないことから、設計が困難で、
かつ成形材料の選択が困難である。また、複数のリブ
５，ボス１１を一体成形するため、成形に際し、コラム
カバー３の表面側（意匠面）にヒケ、艶むら等の外観不
良対策をしなければならず、さらには、リブの高さ、肉
厚によっては溶融樹脂の充填がしにくくなったり、成形
によって生ずるガス対策（ガス抜き）が困難となり、ま
た、離形性も悪くなる問題がある。また、保護装置７は
コラムカバー８とリブ体９を別体に成形することから、
リブ体９の成形材料の選択は容易となるものの、このい
ずれの保護装置２，７は製品ごとに固有の構造体に成形
する必要がある。However, since the protective device 2 has a structure in which the plurality of ribs 5 are integrally formed on the column cover 3 in a lattice shape, the forming die becomes complicated, the die cost increases, and repair is difficult. In addition, in order to provide a sufficient cushioning effect, depending on the shape of the column cover 3, there is a restriction in forming the ribs 5, so that the ribs 5 need to be heightened or the bosses 11 must be arranged side by side, so that the cost is high. The rib 5 may be buckled because it is an integrally molded product, but the column cover 3 must not be destroyed, so the design is difficult.
In addition, it is difficult to select a molding material. In addition, since the plurality of ribs 5 and the boss 11 are integrally formed, it is necessary to take measures against appearance defects such as sink marks and uneven gloss on the surface side (design surface) of the column cover 3 during molding. Depending on the height and thickness, there is a problem that it is difficult to fill the molten resin, it is difficult to take measures against gas generated by molding (degassing), and the releasability is deteriorated. In addition, since the protection device 7 forms the column cover 8 and the rib body 9 separately,
Although it is easy to select a molding material for the rib body 9, any of the protective devices 2 and 7 must be formed into a unique structure for each product.
【０００４】本発明は、上記問題点を解決するためにな
されたもので、自動車における外装部品、内装部品にお
いて外的、内的に衝撃を受ける部位に容易に附設するこ
とができて衝撃力を緩衝する組立て可能な衝撃吸収構造
体を提供することを目的とするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and can be easily attached to an externally and internally shocked part of an exterior part or an interior part of an automobile to reduce an impact force. It is an object of the present invention to provide an assemblable shock absorbing structure capable of absorbing a shock.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記技術課題
を解決するため、衝突側部材と衝撃力受け部材との間に
介装される組立て可能な衝撃吸収構造体であって、この
衝撃吸収構造体は合成樹脂材を押出し成形した中空部を
有する組立て可能な多角形状に形成された構造体素子よ
り、所定の組付け長さに切断した複数本の短尺素子を、
前記衝突側部材と衝撃力受け部材との取付け箇所の形状
の集合体に組立てて縦設状に介装する構成とし、かつ前
記多角形状の構造体素子の辺に結合可能な凹凸状の結合
部を備える構成としたことである。 SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention relates to an assemblable shock absorbing structure interposed between a collision side member and an impact force receiving member. The absorbent structure is a plurality of short elements cut to a predetermined assembly length from a structural element formed into an assemblable polygonal shape having a hollow portion formed by extruding a synthetic resin material,
Wherein a structure interposing vertically設状assembling a collection of shape of the mounting portion between the collision member and the impact force receiving member, and binding can the sides of the structure element before <br/> Symbol polygonal Ru der it was configured with a such uneven coupling portion.
【０００６】[0006]
【作用】上記構成としたことにより、所要の取付け形状
の衝撃吸収構造体に成形することができて、衝撃力を緩
衝することができる。According to the above-mentioned structure, it is possible to form a shock absorbing structure having a required mounting shape and to buffer an impact force.
【０００７】[0007]
【実施例】次に、本発明の実施例を図面にしたがって説
明すると、図１は車両のステアリングコラム１に取付け
られる保護装置１５を示すもので、この保護装置１５は
コラムカバー１６と衝撃吸収構造体２１（以下、単に構
造体という）とからなり、このコラムカバー１６は合成
樹脂材例えばポリプロピレン（ＰＰ）、ＡＢＳ樹脂、ポ
リカーボネート（ＰＣ）、PC/ABSアロイ等を射出成形し
てなるもので、このコラムカバー１６は例えばほぼ湾曲
状の底部１７と左右の側部１８およびハンドル側の覆板
１９とにより上方に開口する略箱形状に形成され、左右
の側部１８にはステアリングコラム１側への取付部２０
が形成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a protection device 15 mounted on a steering column 1 of a vehicle. The column cover 16 is formed by injection molding a synthetic resin material such as polypropylene (PP), ABS resin, polycarbonate (PC), or PC / ABS alloy. The column cover 16 is formed in a substantially box shape that opens upward, for example, by a substantially curved bottom portion 17, left and right side portions 18, and a cover plate 19 on the handle side. Mounting part 20
Is formed.
【０００８】また、衝撃吸収構造体２１は多本数の構造
体素子２２を組合わせ成形してなるもので、この構造体
素子２２は熱可塑性樹脂、例えばＡＢＳ樹脂、ポリカー
ボネート（ＰＣ）、PC/ABSアロイ、変性ＰＰＯ（ＰＰ
Ｅ）、ポリアミド（ＰＡ）、ポリエステル樹脂（ＰＢ
Ｔ，ＰＥＴ）、ポリアセタール（ＰＯＭ）、ポリエチレ
ン（ＰＥ）、ポリプロピレン（ＰＰ）等を押出し成形し
てなるもので、この構造体素子２２は図２(a)(b)に示す
ように、一辺が所定の長さで中空部２３を有する断面略
直方形筒状の長尺材に形成され、この構造体素子２２は
所定の長さ、すなわち、コラムカバー１６の底部１７よ
りステアリングコラム１の取付側への取付け長さｌ1,ｌ
2 …等の複数本の短尺素子２２ａ，２２ｂ…に切断され
て、相互の辺が当接されて接着剤あるいは熱溶着手段に
より所定の衝撃吸収構造体２１の形状、例えば略方形状
の素子集合体に組立形成されている。このように組立形
成された構造体２１はコラムカバー１６に組付けられ
る。The shock absorbing structure 21 is formed by combining and forming a large number of structural elements 22. The structural elements 22 are made of a thermoplastic resin such as ABS resin, polycarbonate (PC), PC / ABS. Alloy, modified PPO (PP
E), polyamide (PA), polyester resin (PB)
T, PET), polyacetal (POM), polyethylene (PE), polypropylene (PP) or the like, and this structural element 22 has one side as shown in FIGS. 2 (a) and 2 (b). The structural element 22 is formed into a long member having a predetermined length and a hollow section 23 and having a substantially rectangular section in cross section. The structural element 22 has a predetermined length, that is, from the bottom 17 of the column cover 16 to the mounting side of the steering column 1. Installation length l1, l
, Etc., are cut into a plurality of short elements 22a, 22b,..., And the sides are brought into contact with each other. Assembled and formed on the body. The structure 21 thus assembled is assembled to the column cover 16.
【０００９】この構造体２１を組付けるコラムカバー１
６の底部１７の内側面の所定の位置には、例えば構造体
２１の取付基部２１ａを嵌込み可能とする略方形状の組
付け枠２４が形成されて、同組付け枠２４内には構造体
２１の取付基部２１ａが嵌合して組付けられている。こ
のように構造体２１を組付けることにより保護装置１５
が形成され、同保護装置１５は取付部２０を介してステ
アリングコラム１側に取付けられ、この取付状態で各短
尺素子２２ａ，２２ｂ…の上端側は衝撃力受け部材側で
あるステアリングコラム１側の所定位置に当接状あるい
は近接された状態で取付けられる。なお、構造体２１の
組付け枠２４への組付けは接着剤等により嵌込み接着す
る構成であってもよい。The column cover 1 to which the structure 21 is attached
At a predetermined position on the inner surface of the bottom portion 17 of the base 6, for example, a substantially rectangular mounting frame 24 that allows the mounting base 21 a of the structure 21 to be fitted is formed. The mounting base 21a of the body 21 is fitted and assembled. By attaching the structure 21 in this way, the protection device 15
The protection device 15 is mounted on the steering column 1 side via the mounting portion 20. In this mounted state, the upper ends of the short elements 22a, 22b. It is attached to a predetermined position in an abutting or close state. The structure 21 may be attached to the attachment frame 24 by an adhesive or the like.
【００１０】このように本例保護装置１５はコラムカバ
ー１６と衝撃吸収構造体２１とより構成して、この衝撃
吸収構造体２１をコラムカバー１６の底部１７に組付け
て同ステアリングコラム１側との間に衝撃吸収構造体２
１を縦設状に介装するもので、この衝撃吸収構造体２１
は例えば断面略方形筒状の構造体素子２２を合成樹脂材
により押出し成形するとともに、この構造体素子２２を
所定の長さｌ1,ｌ2 …等の複数本の短尺素子２２ａ，２
２ｂ，…に切断形成して、この複数本の短尺素子２２
ａ，２２ｂ，…を例えば略方形状の素子集合体に組立形
成して所定の衝撃吸収構造体２１の形状に形成する構成
としたものである。したがって、このコラムカバー１６
の形状は極めてシンプルな形状となるものであるから、
成形金型の形状も単純な形状となって、金型費を低減す
ることができるとともに、補修も容易となり、また、金
型形状が単純形状であることから、コラムカバー１６の
成形時の外観不良対策、ガス抜き対策に格別の対策を必
要とすることなく、通常の成形手段により良好に成形す
ることができる。As described above, the protection device 15 of the present embodiment comprises the column cover 16 and the shock absorbing structure 21, and the shock absorbing structure 21 is assembled to the bottom 17 of the column cover 16 to be connected to the steering column 1 side. Shock absorbing structure 2 between
1 is vertically interposed.
For example, a structural element 22 having a substantially rectangular cross section is extruded from a synthetic resin material, and the structural element 22 is formed into a plurality of short elements 22a, 2 having predetermined lengths l1, l2.
2b,... To form the plurality of short elements 22.
are assembled and formed into, for example, a substantially square element assembly to form a predetermined shock absorbing structure 21. Therefore, this column cover 16
Because the shape of becomes a very simple shape,
The shape of the molding die also becomes a simple shape, so that the cost of the die can be reduced, and the repair becomes easy. In addition, since the shape of the column cover 16 is simple, the appearance of the column cover 16 at the time of molding is reduced. The molding can be performed satisfactorily by ordinary molding means without requiring any special measures for the measures against defects and gas venting.
【００１１】とくに、衝撃吸収構造体２１は合成樹脂材
を押出し成形した例えば断面略方形筒状の構造体素子２
２を所定の長さｌ1,ｌ2 …等のコラムカバー１６の底部
１７とステアリングコラム１側との取付け長さに切断し
た短尺素子２２ａ，２２ｂ…を例えば略方形状の素子集
合体に接着剤あるいは熱溶着手段により組立形成して所
定の衝撃吸収構造体２１の形状に形成するものであるか
ら、組立成形が容易であり、また、衝撃吸収箇所に応じ
た取付長さの短尺素子２２ａ，２２ｂ，…に、また、ス
テアリングコラム１側の構造に応じた短尺素子２２ａ，
２２ｂ，…に形成することで自由度の高い衝撃吸収構造
体２１を成形することができて衝撃力吸収に対処するこ
とができる。なお、このコラムカバー１６の合成樹脂材
および衝撃吸収構造体２１の構造体素子２２の合成樹脂
材の選定は保護装置１５の要求品質である組付け性、剛
性、耐熱性、耐油性から選定されるもので、とくにコラ
ムカバー１６は衝撃値（アイゾット強度等）の高い材
質、例えばポリカーボネート（ＰＣ）、PC/ABSアロイ等
あるいは衝撃値が高く、充分な変形に耐え得る割れ難い
ポリプロピレン系樹脂が上げられる。In particular, the shock absorbing structure 21 is a structural element 2 formed by extruding a synthetic resin material and having, for example, a substantially rectangular cylindrical cross section.
Are cut to the length of the column cover 16 having a predetermined length l1, l2... And the like to be attached to the steering column 1 side, and the short elements 22a, 22b. Since it is formed into a predetermined shape of the shock absorbing structure 21 by assembling and forming by the heat welding means, it is easy to assemble and form and the short elements 22a, 22b, , And the short elements 22a, 22a,
By forming the shock absorbing structures 22b,..., The shock absorbing structure 21 having a high degree of freedom can be formed, and it is possible to cope with shock force absorption. The selection of the synthetic resin material of the column cover 16 and the synthetic resin material of the structural element 22 of the shock absorbing structure 21 is selected based on the required quality of the protection device 15 such as the assemblability, rigidity, heat resistance and oil resistance. In particular, the column cover 16 is made of a material having a high impact value (Izod strength, etc.), such as polycarbonate (PC), PC / ABS alloy, or a polypropylene resin having a high impact value and which is resistant to cracking and which can withstand sufficient deformation. Can be
【００１２】また、上記した構造体素子２２は中空部２
３を有する断面略方形筒形状に形成したが、例えば図３
ないし図７に示す形状としてもよい。すなわち、図３
(a) に示す衝撃吸収構造体２５を構成する構造体素子２
６は中空部２７を有する断面略等辺三角筒状形状に合成
樹脂材を押出し成形してなり、この構造体素子２６は所
定の長さｌ1,ｌ2 等の短尺素子２６ａ，２６ｂに切断さ
れてその辺が当接されて接着剤あるいは熱溶着手段等に
より接合されて所定の衝撃吸収構造体２５の形状に集合
成形されるもので、この場合図３(b) に示すように長さ
ｌ1,ｌ2 等の短尺素子２６ａ，２６ｂを組合わせること
で長さｌ1 の短尺素子２６ａに所定の座屈能を付与する
ことができて所定の衝撃吸収を行うことができる。ま
た、図４に示す衝撃吸収構造体２８の構造体素子２９は
中空部３０を有する略直角２等辺三角筒状形状に形成さ
れて、所定の長さｌ1,ｌ2 等の短尺素子２９ａ，２９ｂ
に切断されてその辺が当接されて接着剤あるいは熱溶着
手段等により接合されて所定の衝撃吸収構造体２８の形
状に集合形成されるもので、この場合においても図４
(b) に示すように長さｌ1,ｌ2 等の短尺素子２９ａ，２
９ｂを組合わせることで長さｌ1 の短尺素子２６ａに所
定の座屈能を付与することができて所定の衝撃吸収を行
うことができる。Further, the structural element 22 described above is
3 is formed in a substantially rectangular cylindrical shape having a cross section, for example, as shown in FIG.
Alternatively, the shape shown in FIG. That is, FIG.
The structural element 2 constituting the shock absorbing structure 25 shown in FIG.
6 is formed by extruding a synthetic resin material into a substantially equilateral triangular cylindrical shape having a hollow portion 27. The structural element 26 is cut into short elements 26a and 26b having predetermined lengths l1 and l2. The sides are brought into contact with each other and joined by an adhesive or heat welding means or the like, and are collectively formed into a predetermined shape of the shock absorbing structure 25. In this case, as shown in FIG. By combining the short elements 26a and 26b such as those described above, a predetermined buckling ability can be imparted to the short element 26a having a length l1 and a predetermined impact can be absorbed. The structural element 29 of the shock absorbing structure 28 shown in FIG. 4 is formed in a substantially right-angled isosceles triangular cylindrical shape having a hollow portion 30 and has a short length 29a, 29b having a predetermined length l1, l2 or the like.
The edge is abutted and joined by an adhesive or a heat welding means or the like to be collectively formed into a predetermined shock absorbing structure 28. In this case as well, FIG.
As shown in (b), short elements 29a, 29 having lengths l1, l2, etc.
By combining 9b, a predetermined buckling ability can be imparted to the short element 26a having a length of l1, and a predetermined impact can be absorbed.
【００１３】また、図５に示す衝撃吸収構造体３１の構
造体素子３２は中空部３３を有する断面略Ｈ型形状に形
成され、この略Ｈ型形状の構造体素子３２の溝部３２ａ
は図示のように２本の脚部３２ｂを嵌込み可能な溝幅に
形成されて図示上下、左右の溝部３２ａに脚部３２ｂを
嵌込んで所定の衝撃吸収構造体３１の形状に集合形成さ
れる。なお、この場合においても所定の取付け長さの短
尺素子に切断されて組み合わされる。また、図６に示す
構造体素子３３は上記断面略方形状の構造体素子２２の
中空部２３内に内接する円筒状構造体素子３４を内嵌状
に取付けた複合素子であり、また、図７に示す構造体素
子３５は断面略等辺三角筒状形状に形成した構造体素子
２６の中空部２７内に内接する円筒状構造体素子３６を
内嵌状に取付けた複合素子であって、この両構造体素子
３３，３５は複合したことで組立が容易となり、円筒状
構造体素子３４，３６を取付け長さに延出することで所
定の座屈能を付与することができる。また、上記した各
構造体素子２６，２９，３２，３３，３５により組立形
成された各衝撃吸収構造体２５，２８，３１はコラムカ
バー１６の底部１７に例えば図８(a)(b)に示すように各
衝撃吸収構造体２５，２８，３１の外郭形状の角部を嵌
込み可能に略かぎ形状の係合縁３７ａあるいは係合縁３
８ａにより組付け枠３７，３８が形成されて組付けら
れ、また、例えば図８(b)(c)に示すように底部１７の所
要の複数箇所に構造体素子２６，２９，３２，３３，３
５の中空部に内嵌する嵌合凸縁３９ａ，３９ｂ等により
組付けられる。なお、これらの組合わせであってもよ
い。The structural element 32 of the shock absorbing structure 31 shown in FIG. 5 is formed in a substantially H-shaped section having a hollow portion 33, and the groove 32a of the substantially H-shaped structural element 32 is formed.
Is formed to have a groove width into which the two leg portions 32b can be fitted as shown in the figure, and the leg portions 32b are fitted into the upper, lower, left and right groove portions 32a in the figure to be collectively formed into a predetermined shock absorbing structure 31 shape. You. In this case as well, it is cut into short elements having a predetermined mounting length and assembled. The structural element 33 shown in FIG. 6 is a composite element in which a cylindrical structural element 34 inscribed in the hollow portion 23 of the structural element 22 having a substantially square cross section is fitted inside. The structural element 35 shown in FIG. 7 is a composite element in which a cylindrical structural element 36 inscribed in a hollow portion 27 of a structural element 26 formed in a substantially equilateral triangular cylindrical shape in cross section is fitted. Since the two structural elements 33 and 35 are combined, assembly becomes easy, and a predetermined buckling ability can be imparted by extending the cylindrical structural elements 34 and 36 to the mounting length. Each of the shock absorbing structures 25, 28, 31 assembled by the above-described structural elements 26, 29, 32, 33, 35 is provided on the bottom portion 17 of the column cover 16, for example, as shown in FIGS. As shown in the drawing, a substantially hook-shaped engaging edge 37a or an engaging edge 3 is provided so that the outer corners of the respective shock absorbing structures 25, 28, 31 can be fitted.
8a, the assembling frames 37, 38 are formed and assembled. Also, as shown in FIGS. 8B and 8C, for example, the structural elements 26, 29, 32, 33, 3
5 are fitted by fitting protrusions 39a, 39b, etc., which are fitted inside the hollow portion of the fifth member. Note that a combination of these may be used.
【００１４】次に、図９に示す保護装置４０は上記保護
装置１５と同様にコラムカバー１６と衝撃吸収構造体４
１とからなり、この衝撃吸収構造体４１を構成する構造
体素子４２は相互に嵌込みあるいはスライド係合して組
立てる構成としたもので、この構造体素子４２は図１０
に示すように一辺が所定の長さで中空部４３を有する断
面略直方形筒状の長尺材に形成されるもので、この略直
方形筒状の一方の直角Ｒ1 を挟む辺４４ａ，４４ｂのほ
ぼ中央部の長手方向には外側に開口部４５ａを有し、中
空部４３内に断面略Ｃ形状に膨出して嵌込み溝４５ｂを
有する嵌込み凹部４５が形成され、また、他方の直角Ｒ
2 を挟む辺４４ｃ，４４ｄのほぼ中央部長手方向には内
側に開口部４６ａを有し、外側に断面略Ｃ形状に膨出す
る溝部４６ｂを有する嵌込み凸部４６が形成され、この
嵌込み凸部４６は嵌込み凹部４５に嵌込み可能に形成さ
れている。このように形成された構造体素子４２は所定
の取付け長さの短尺素子４２ａ，４２ｂに切断されて図
１０に示すように嵌込み凹部４５と嵌込み凸部４６とが
スライド状に順次雌雄結合されて、例えば、図９に示す
所定の形状の衝撃吸収構造体４１に組立てられる。Next, the protection device 40 shown in FIG.
The structure element 42 constituting the shock absorbing structure 41 is configured to be assembled by fitting or slidingly engaging with each other.
As shown in FIG. 5, one side is formed of a long member having a substantially rectangular cross section having a hollow portion 43 with a predetermined length, and sides 44a, 44b sandwiching one right angle R1 of the substantially rectangular tube. Has an opening 45a on the outside in the longitudinal direction of a substantially central portion thereof, and a fitting recess 45 having a fitting groove 45b bulging out in the hollow portion 43 to have a substantially C-shaped cross section. R
A fitting projection 46 having an opening 46a on the inside and a groove 46b bulging into a substantially C-shaped cross section is formed on the outside in the longitudinal direction substantially at the center of the sides 44c and 44d sandwiching 2. The protrusion 46 is formed so as to be fitted into the fitting recess 45. The structural element 42 thus formed is cut into short elements 42a and 42b having a predetermined mounting length, and the fitting concave portion 45 and the fitting convex portion 46 are male and female joined in a sliding manner as shown in FIG. Then, for example, it is assembled into a shock absorbing structure 41 having a predetermined shape shown in FIG.
【００１５】このようにして所定の形状の集合体に形成
された衝撃吸収構造体４１を組付けるコラムカバー１６
の底部１７の内側面には図１１に示すように衝撃吸収構
造体４１の外郭形状の角部を嵌込み可能とする略かぎ形
状の係合縁４７ａからなる組付け枠４７が形成されると
ともに、同組付け枠４７の左右には、例えば嵌込み凹部
４５の嵌込み溝４５ｂと嵌合する所定の長さの支持ボス
４８ａが複数本立設され、また、この支持ボス４８ａと
対応して嵌込み凸部４６の溝部４６ｂと嵌合する支持ボ
ス４８ｂが立設されて、衝撃吸収構造体４１はこの組付
け枠４７に嵌込まれるとともに、嵌込み凹部４５および
嵌込み凸部の嵌込み溝４５ｂ、溝部４６ｂにそれぞれ支
持ボス４８ａ，４８ｂが嵌合挿通されて組付けられて保
護装置４０が形成され、同保護装置４０はステアリング
コラム１側に取付けられる。したがって、この保護装置
４０においても上記保護装置１５とほぼ同等の作用効果
を奏するものである。なお、この衝撃吸収構造体４１の
組付けにコラムカバー１６側に組付け枠４７と支持ボス
４８ａ，４８ｂを並設するように例示したが、支持ボス
４８ａ，４８ｂのみでもよい。The column cover 16 for assembling the shock absorbing structure 41 thus formed into an assembly having a predetermined shape.
As shown in FIG. 11, an assembling frame 47 is formed on the inner surface of the bottom portion 17 of the shock absorbing structure 41. The mounting frame 47 is formed of a substantially hook-shaped engaging edge 47a into which the outer corner of the shock absorbing structure 41 can be fitted. A plurality of support bosses 48a each having a predetermined length to be fitted into, for example, the fitting groove 45b of the fitting concave portion 45 are provided on the left and right sides of the mounting frame 47, respectively. A support boss 48b that fits into the groove 46b of the fitting projection 46 is erected, and the shock absorbing structure 41 is fitted into the mounting frame 47, and the fitting recess 45 and the fitting groove of the fitting projection are provided. The support bosses 48a and 48b are fitted and inserted into the groove 45b and the groove 46b, respectively, and assembled to form the protection device 40. The protection device 40 is mounted on the steering column 1 side. Therefore, the protection device 40 also has substantially the same operation and effect as the protection device 15 described above. Although the mounting frame 47 and the support bosses 48a and 48b are arranged side by side on the column cover 16 side when assembling the shock absorbing structure 41, only the support bosses 48a and 48b may be used.
【００１６】なお、上記構造体素子４２は断面略Ｃ形状
の嵌込み凹部４５と嵌込み凸部４６とを雌雄結合するよ
うに例示したが、これに限定するものではなく、例えば
図１２(a)(b)(c) に示す構成であってもよい。すなわ
ち、図１２(a) はあり溝継ぎとしたもので、あり溝部５
０ａと嵌合凸部５０ｂとにより結合するように設けら
れ、また、図１２(b) は開拡状溝部５１ａと嵌合凸部５
１ｂとにより結合するように設けられ、また、図１２
(c) は円弧状溝部５２ａと円弧状凸部５２ｂとにより結
合するように設けたものである。In the structure element 42, the fitting concave portion 45 and the fitting convex portion 46 having a substantially C-shaped cross section have been exemplified so as to be male and female. However, the present invention is not limited to this. For example, FIG. ) (b) and (c). In other words, FIG.
0a and the fitting protrusion 50b are provided so as to be connected to each other. FIG. 12 (b) shows the expanded groove 51a and the fitting protrusion 5b.
1b.
(c) is provided so as to be connected by an arc-shaped groove 52a and an arc-shaped protrusion 52b.
【００１７】次に、図１３および図１５に示すものは構
造体素子を嵌込み状に組付ける別態様を示すもので、こ
の図１３に示す衝撃吸収構造体５５は図１４に示す２種
類の構造体素子５６，５７により組立て形成されるもの
で、この図１４（ａ）に示す構造体素子５６は中空部５
６ａを有する等辺三角筒形状に形成され、この各辺５６
ｂのほぼ中央部の長手方向には円弧状の溝部５６ｃが凹
設されている。また、図１４（ｂ）に示す構造体素子５
７は構造体素子５６と同形状の中空部５７ａを有する等
辺三角筒形状に形成され、この各辺５７ｂのほぼ中央部
の長手方向には構造体素子５６の円弧状の溝部５６ｃと
嵌合可能な円弧状凸部５７ｃが凸設されている。このよ
うに形成された構造体素子５６，５７は所定の取付け長
さの短尺素子に切断されて、図示のように相互の溝部５
６ｃと凸部５７ｃとが結合されて所定の衝撃吸収構造体
５５の形状に組立てられる。FIGS. 13 and 15 show another embodiment in which the structural elements are assembled in a fitting manner. The shock absorbing structure 55 shown in FIG. the structure elements 56, 57 intended to be assembled form, structure element 56 shown in FIG. 14 (a) the hollow portion 5
6a, each side 56
An arc-shaped groove 56c is recessed in the longitudinal direction substantially at the center of b. Further, the structure element 5 shown in FIG.
Numeral 7 is formed in an equilateral triangular cylindrical shape having a hollow portion 57a having the same shape as the structural element 56, and can be fitted into an arc-shaped groove portion 56c of the structural element 56 in the longitudinal direction substantially at the center of each side 57b. An arc-shaped convex portion 57c is provided in a protruding manner. The structural elements 56 and 57 thus formed are cut into short elements having a predetermined attachment length, and the grooves 5 and 57 are formed as shown in FIG.
6c and the convex portion 57c are combined and assembled into a predetermined shape of the shock absorbing structure 55.
【００１８】また、図１５に示す衝撃吸収構造体５８は
構造体素子５９からなるもので、この構造体素子５９は
中空部６０を有する断面略正六角筒形状に形成され、こ
の略正六角筒形状の対向する一方の辺５９ａのほぼ中央
部の長手方向には円弧状の溝部５９ｂが凹設され、ま
た、他方の辺５９ｃのほぼ中央部の長手方向には溝部５
９ｂに嵌込み可能とする円弧状の凸部５９ｄが凸設され
ている。このように形成された構造体素子５９は所定の
取付け長さの短尺素子に切断されて、図示のように相互
の溝部５９ｂと凸部５９ｄとが結合されて所定の衝撃吸
収構造体５８の形状に組立てられる。The shock absorbing structure 58 shown in FIG. 15 is composed of a structural element 59, which is formed in a substantially regular hexagonal cross section having a hollow portion 60. An arc-shaped groove portion 59b is recessed in the longitudinal direction substantially at the center of one side 59a facing the shape, and the groove 5 is formed in the longitudinal direction substantially at the center of the other side 59c.
An arc-shaped convex portion 59d that can be fitted into 9b is protruded. The structural element 59 thus formed is cut into short elements having a predetermined mounting length, and the grooves 59b and the protruding parts 59d are connected to each other as shown in the figure to form the predetermined shock absorbing structure 58. Assembled.
【００１９】このように上記各実施例において、衝突側
部材となるステアリングカバー１６と衝撃力受け部材と
なるステアリングコラム１との間に縦設状に介装される
各衝撃吸収構造体は中空部を有する多角形状の筒状体に
合成樹脂材を押出し成形した構造体素子を所定の組付け
長さの短尺素子に切断してその組付け当接辺を接着材あ
るいは溶着手段により組付け、あるいは組付け当接辺相
互に凹凸状の結合部を形成したので所定の衝撃吸収構造
体の形状に容易に組立てることができるとともに、衝撃
吸収箇所に応じた取付長さの短尺素子に、また、衝撃力
開け部材側の構造に応じた短尺素子に形成することで自
由度の高い衝撃吸収構造体を成形することができて衝撃
力吸収に対処することができる。As described above, in each of the above embodiments, each shock absorbing structure vertically interposed between the steering cover 16 serving as the collision side member and the steering column 1 serving as the impact force receiving member has a hollow portion. A structural element obtained by extruding a synthetic resin material into a polygonal cylindrical body having a shape is cut into short elements having a predetermined mounting length, and the mounting contact side is mounted by an adhesive or welding means, or Since an uneven coupling portion is formed between the abutting sides, it can be easily assembled into a predetermined shape of the shock absorbing structure. By forming a short element corresponding to the structure of the force opening member side, a shock absorbing structure having a high degree of freedom can be formed, and it is possible to cope with shock force absorption.
【００２０】なお、上記各実施例においては衝撃吸収構
造体をステアリングコラム１とコラムカバーとの間に介
装するように例示したが、これに限定するものではな
く、例えばグラブドア、サイドドア、サイドボデーロア
パネル、バンパー等広範に適用することができる。ま
た、上述した各合成樹脂材を選択的に押出し成形して構
造体素子を成形するように例示したが、これに限定する
ものではなく、例えば各種の断面多角形状の発泡充実体
で構造体素子を形成して衝撃吸収構造体に組立てる構成
としても上記実施例と同等の作用効果を奏するものであ
る。また、衝撃吸収構造体の衝撃側部材への組付けは衝
撃側部材に組付け枠、支持ボスを形成して組付ける構成
として例示したが、これに限定するものではなく、例え
ば衝撃側部材の成形時に、その所要の箇所にねじ部材を
インサート成形するとともに、構造体素子の所要の箇所
に断面略Ｃ型形状のねじ受けを形成してビスにより組付
ける構成としてもよい。In each of the above embodiments, the shock absorbing structure is illustrated as being interposed between the steering column 1 and the column cover. However, the present invention is not limited to this. For example, a grab door, a side door, a side door, or the like may be used. It can be widely applied to body lower panels and bumpers. In addition, although the above-described respective synthetic resin materials are selectively extruded and formed to form the structural element, the present invention is not limited to this. For example, the structural element may be formed of various solid foams having a polygonal cross section. The same operation and effect as those of the above embodiment can be obtained even if the structure is formed and assembled into a shock absorbing structure. In addition, the assembly of the shock absorbing structure to the impact side member has been exemplified as a configuration in which an assembly frame and a support boss are formed on the impact side member and assembled, but the present invention is not limited to this. At the time of molding, a screw member may be insert-molded at a required portion thereof, and a screw receiver having a substantially C-shaped cross section may be formed at a required portion of the structural element and assembled with screws.
【００２１】[0021]
【発明の効果】本発明は、上記のように構成したことに
より、衝突側部材と衝撃力受け部材との間に縦設状に介
装される各衝撃吸収構造体は中空部を有する多角形状の
筒状体に合成樹脂材を押出し成形した構造体素子を所定
の組付け長さの短尺素子に切断してその組付け当接辺を
接着材あるいは溶着手段により組付け、あるいは組付け
当接辺相互に凹凸状の結合部を形成したので所定の衝撃
吸収構造体の形状に容易に組立てることができるととも
に、衝撃吸収箇所に応じた取付長さの短尺素子に、ま
た、衝撃力開け部材側の構造に応じた短尺素子に形成す
ることで自由度の高い衝撃吸収構造体を成形することが
できて衝撃力吸収に対処することができて、汎用性の高
い衝撃吸収体を得ることができる。According to the present invention, as described above, each of the shock absorbing structures vertically interposed between the collision side member and the impact force receiving member has a polygonal shape having a hollow portion. A structural element formed by extruding a synthetic resin material into a cylindrical body is cut into short elements having a predetermined mounting length, and the mounting contact side is mounted with an adhesive or welding means, or the mounting contact is performed. Since the uneven connecting portion is formed between the sides, it can be easily assembled into a predetermined shape of the shock absorbing structure. By forming it into a short element corresponding to the structure of the above, it is possible to form a shock absorbing structure having a high degree of freedom, to cope with shock force absorption, and to obtain a highly versatile shock absorber. .
【図１】車両のステアリングコラムに取付ける保護装置
の分解斜視図である。FIG. 1 is an exploded perspective view of a protection device attached to a steering column of a vehicle.
【図２】(a) 構造体素子の斜視図である。 (b) 構造体素子を組立てて衝撃吸収構造体とする説明図
である。FIG. 2A is a perspective view of a structural element. (b) It is explanatory drawing which assembles a structural element and makes it into a shock absorption structure.
【図３】(a) 他の構造体素子を組立てて衝撃吸収構造体
とする説明図である。 (b) 構造体素子の切断した短尺素子の組合わせにより座
屈能を付与する説明斜視図である。FIG. 3 (a) is an explanatory view of assembling another structural element into a shock absorbing structure. (b) It is an explanatory perspective view which gives buckling ability by combination of the cut short element of a structural element.
【図４】(a) 同じく他の構造体素子を組立てて衝撃吸収
構造体とする説明図である。 (b) 構造体素子の切断した短尺素子の組合わせにより座
屈能を付与する説明斜視図である。FIG. 4 (a) is an explanatory view of assembling another structural element into a shock absorbing structure. (b) It is an explanatory perspective view which gives buckling ability by combination of the cut short element of a structural element.
【図５】同じく他の構造体素子と組立てて衝撃吸収構造
体とする説明図である。FIG. 5 is an explanatory view showing a shock absorbing structure assembled with another structural element.
【図６】複合した構造体素子の斜視図である。FIG. 6 is a perspective view of a composite structural element.
【図７】同じく他の複合した構造体素子の斜視図であ
る。FIG. 7 is a perspective view of another composite structural element.
【図８】(a)(b)(c) 衝撃吸収構造体を組付ける組付け枠
を示す平面図である。8 (a), 8 (b), 8 (c) are plan views showing a mounting frame for mounting the shock absorbing structure.
【図９】他の保護装置の分解斜視図である。FIG. 9 is an exploded perspective view of another protection device.
【図１０】組付け結合部を有する構造体素子の組付けの
説明図である。FIG. 10 is an explanatory diagram of assembly of a structural element having an assembly connection portion.
【図１１】衝撃吸収構造体の組付け部への組付けの説明
図である。FIG. 11 is an explanatory view of assembling the shock absorbing structure to an assembling portion.
【図１２】(a)(b)(c) 組付け結合部を有する構造体素子
の他の結合部の断面図である。12 (a), (b), and (c) are cross-sectional views of another connecting portion of the structural element having the mounting connecting portion.
【図１３】組付け結合部を有する他の態様の衝撃吸収構
造体の断面図である。FIG. 13 is a cross-sectional view of another embodiment of the shock absorbing structure having an assembled connection portion.
【図１４】(a)(b)図１３の衝撃吸収構造体を構成する構
造体素子の断面図である。14 (a) and (b) are cross-sectional views of structural elements constituting the shock absorbing structure of FIG.
【図１５】組付け結合部を有する他の態様の衝撃吸収構
造体の断面図である。FIG. 15 is a cross-sectional view of another embodiment of a shock absorbing structure having an assembled connection portion.
【図１６】従来の保護装置をステアリングコラムに取付
けた状態の説明図である。FIG. 16 is an explanatory view of a state where a conventional protection device is attached to a steering column.
【図１７】従来の保護装置の斜視図である。FIG. 17 is a perspective view of a conventional protection device.
【図１８】従来の他の保護装置の斜視図である。FIG. 18 is a perspective view of another conventional protection device.
１ ステアリングコラム（衝撃力受け部材） １６ コラムカバー（衝突側部材） 21,25,28,31,41,55,58 衝撃吸収構造体 22,26,29,32,33,34,35,36,42,56,57,59 構造体素子 45,46,50a,50b,51a,51b,52a,52b,56c,57c,59b,59d 結
合凹凸部1 Steering column (impact force receiving member) 16 Column cover (impact side member) 21,25,28,31,41,55,58 Impact absorbing structure 22,26,29,32,33,34,35,36, 42,56,57,59 Structural element 45,46,50a, 50b, 51a, 51b, 52a, 52b, 56c, 57c, 59b, 59d
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B60R 21/02 - 21/05 B62D 1/04 - 1/28 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) B60R 21/02-21/05 B62D 1/04-1/28
Claims (2)
装される組立て可能な衝撃吸収構造体であって、この衝
撃吸収構造体は合成樹脂材を押出し成形した中空部を有
する組立て可能な多角形状に形成された構造体素子よ
り、所定の組付け長さに切断した複数本の短尺素子を、
前記衝突側部材と衝撃力受け部材との取付け箇所の形状
の集合体に組立てて縦設状に介装する構成とし、かつ前
記多角形状の構造体素子の辺に結合可能な凹凸状の結合
部を備える構成とした組立て可能な衝撃吸収構造体。An assemblable shock absorbing structure interposed between a collision side member and an impact force receiving member, wherein the shock absorbing structure has a hollow portion formed by extruding a synthetic resin material. From the structural element formed in a possible polygonal shape, a plurality of short elements cut to a predetermined assembly length,
A structure in which the collision-side member and the impact-force receiving member are assembled vertically into an assembly having a shape of a mounting portion , and
Uneven connection that can be connected to the sides of the polygonal structural element
Configuration and the assembly can be shock absorbing structure including a part.
イド状に雌雄結合される構成とした請求項１の組立て可
能な衝撃吸収構造体。2. The method according to claim 1, wherein the uneven coupling portion of the structural element has a
2. The assemblable shock-absorbing structure according to claim 1, wherein the shock-absorbing structure is configured to be male and female joined in an id shape .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06613194A JP3352805B2 (en) | 1994-04-04 | 1994-04-04 | Shock absorbing structure that can be assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06613194A JP3352805B2 (en) | 1994-04-04 | 1994-04-04 | Shock absorbing structure that can be assembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07277204A JPH07277204A (en) | 1995-10-24 |
| JP3352805B2 true JP3352805B2 (en) | 2002-12-03 |
Family
ID=13307013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06613194A Expired - Fee Related JP3352805B2 (en) | 1994-04-04 | 1994-04-04 | Shock absorbing structure that can be assembled |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3352805B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7338038B2 (en) * | 2004-03-12 | 2008-03-04 | Dow Global Technologies, Inc. | Impact absorption structure |
| JP5104142B2 (en) * | 2007-09-11 | 2012-12-19 | マツダ株式会社 | Vehicle steering device |
| FR2942607B1 (en) * | 2009-02-27 | 2011-04-01 | Faurecia Interieur Ind | ENERGY ABSORPTION DEVICE ARRANGED BETWEEN THE STEERING COLUMN AND THE DRIVER OF A MOTOR VEHICLE |
-
1994
- 1994-04-04 JP JP06613194A patent/JP3352805B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07277204A (en) | 1995-10-24 |
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| LAPS | Cancellation because of no payment of annual fees |