JPH04154456A - Bumper reinforcement made of frp - Google Patents

Bumper reinforcement made of frp

Info

Publication number
JPH04154456A
JPH04154456A JP27980990A JP27980990A JPH04154456A JP H04154456 A JPH04154456 A JP H04154456A JP 27980990 A JP27980990 A JP 27980990A JP 27980990 A JP27980990 A JP 27980990A JP H04154456 A JPH04154456 A JP H04154456A
Authority
JP
Japan
Prior art keywords
bumper
frp
fixed
fitting
bumper reinforcement
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.)
Pending
Application number
JP27980990A
Other languages
Japanese (ja)
Inventor
Osamu Takano
修 高野
Akihiro Tsuda
津田 明浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikyo Inc
Original Assignee
Daikyo Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikyo Inc filed Critical Daikyo Inc
Priority to JP27980990A priority Critical patent/JPH04154456A/en
Publication of JPH04154456A publication Critical patent/JPH04154456A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To dispense with bumper fitting parts, facilitate bumper fitting work, and increase fitting strength of the bumper, by forming bumper fitting parts in one body with a bumper reinforcement made of FRP. CONSTITUTION:In a bumper reinforcement 11 made of FRP, bumper fitting parts 12... of hat-like open section projected on the back of a wide and flat shock receiving face 11a are formed in one body with the bumper reinforcement 11 at the same time as forming it. Fitting bolts 13v are projected from the projected end faces 12a of respective bumper fitting parts 12 and fixed, and these are penetrated through metallic fixing plates 14 and fixed to the fixing plates 14 by welding their head parts 13a or the like. Shock absorbing material made of EA foam is arranged on the shock absorbing face 11a, a skin member 13 covering it is fixed with fasteners 21, 22 to constitute the bumper, the respective fitting bolts 13 are inserted through holes provided on stays 4 of a vehicle body, and the bumper is fixed to the stays 4 by tightening with nuts 9.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は車両の衝突時のエネルギを吸収するために車両
に取り付けられるエネルギ吸収バンパーシステムの骨格
部材を構成するFRP製バンパーレインフt−スメント
に関する。
Detailed Description of the Invention (Field of Industrial Application) The present invention relates to an FRP bumper reinforcement that constitutes a frame member of an energy absorption bumper system that is attached to a vehicle to absorb energy during a vehicle collision. Regarding.

(従来の技術) 一般に、バンパーシステムでは、軽衝突時の車体の保護
は当然のことながら、そのンステムをいかに軽(するか
によって、車の諸性能に影響が及ぶ。
(Prior Art) In general, a bumper system naturally protects the vehicle body in the event of a minor collision, but the various performances of the vehicle are affected by how lightweight the system is.

このため、近年、バンパーシステムとして、金属材料を
使用したものに代えてFRP等の強化樹脂材料を使用し
たものが採用されている。
For this reason, in recent years, bumper systems using reinforced resin materials such as FRP have been adopted instead of those using metal materials.

この種のバンパーシステムの一例を第8図に示す。An example of this type of bumper system is shown in FIG.

上記エネルギ吸収パンバーンステムは、その骨格部材を
構成しているFRP製バンパーレインフォースメント1
と、このFRP製バンパーレインフォースメント1の広
い平らな衝撃受面1aの上に配置されるEAフオームか
らなる衝撃吸収材2と、この衝撃吸収材2を覆って上記
FRP製バンバーレインフォースメント1に固定される
表皮部材3とからなる。
The above energy absorbing pan burn stem is made of FRP bumper reinforcement 1, which constitutes its frame member.
A shock absorbing material 2 made of EA foam is placed on the wide flat impact receiving surface 1a of this FRP bumper reinforcement 1, and the above FRP bumper reinforcement 1 covers this shock absorbing material 2. It consists of a skin member 3 fixed to.

従来、上記のような衝撃吸収バンパーシステムにおいて
、FRP%Jバンパーレイノフォースメント1は、図示
しない車両の車体に設けられたステ=4 (第9図参照
)に取り付けるために、その衝撃吸収面1aの両端部の
背後にそれぞれ金rs製のブラケット5.5が取り付け
られる。
Conventionally, in the shock-absorbing bumper system as described above, the FRP%J bumper reinforcement 1 has a shock-absorbing surface 1a in order to be attached to a stand 4 (see FIG. 9) provided on the body of a vehicle (not shown). Brackets 5.5 made of gold RS are attached behind both ends of the brackets.

上記各ブラケット5には、第9図に示すように、取付ボ
ルト6、6.・が溶接され、上記FRP製1<ンバーレ
インフォースメント1の各端部に嵌合されて、例えばビ
ス7とナツト8により固定される。
As shown in FIG. 9, each bracket 5 has mounting bolts 6, 6. * are welded, fitted to each end of the FRP member reinforcement 1, and fixed with, for example, screws 7 and nuts 8.

上記ブラケット5は、その上記取付ボルト6とすyト9
により、車体のステー4に固定される。
The above-mentioned bracket 5 has the above-mentioned mounting bolt 6 and y-to-9.
It is fixed to the stay 4 of the vehicle body.

これにより、上記エネルギ衝撃吸収/<ンノく一ンステ
ムが車体のステー4に取り付けられる。
As a result, the energy shock absorbing stem is attached to the stay 4 of the vehicle body.

(発明が解決しようとする課題) ところで、上記従来のFRP製パ製パン−しインフォー
スメント1では、エネルギ吸収ノぐンノイーシステムを
車体のステー4に固定するためのブラダ・ット5を必要
とし、部品点数が多くなるばかりでなく、その組付作業
も必要とするという問題があった。
(Problems to be Solved by the Invention) By the way, in the conventional FRP pan reinforcement 1 described above, the bladder fitting 5 for fixing the energy absorption system to the stay 4 of the vehicle body is not provided. This poses a problem in that not only does the number of parts increase, but also assembly work is required.

また、上記従来のFRP製バフ/イーレイ/フォースメ
ント1では、ブラケット5とFRPgAノ<7バーレイ
ンフオースメント1とは別体のもので、両者をビス7と
す、ト8により固定しているので、エネルギ吸収バンパ
ー/ステムを車体のブラケット4に取り付ける際の取付
強度にも限界があり、大きな取付強度を得るのがむずか
しいという問題もあった。
In addition, in the above-mentioned conventional FRP buff/Elay/forcement 1, the bracket 5 and the FRPgA no. Therefore, there is a limit to the mounting strength when attaching the energy absorbing bumper/stem to the bracket 4 of the vehicle body, and there is also the problem that it is difficult to obtain a large mounting strength.

本発明の目的は、部品点数が少なく、取付強度ノ高いF
RPiJバンパーレインフォースメントを提供すること
である。
The purpose of the present invention is to reduce the number of parts and provide high mounting strength.
To provide RPiJ bumper reinforcement.

(課題を解決するための手段) このため、本発明は、広い平らな衝撃受面を有し、この
衝撃受面の上に衝撃吸収材料が配置されるとともにこの
衝撃吸収材料を覆って表皮部材が固定され、上記衝撃受
面の背後側で車体のステーに取り付けられるFRP製バ
ンバーレインフォースメントであって、 上記衝撃受面の背後に一体に突出し、突出方向の断面が
ハツト状の開断面を有するバンパー取付部を備え、この
パンツく一取付部の突出端面ζこで車体の上記ステーに
固定されるようにしたことを特徴としている。
(Means for Solving the Problems) For this reason, the present invention has a wide flat impact receiving surface, a shock absorbing material is disposed on the impact receiving surface, and a skin member is provided to cover the impact absorbing material. is fixed, and is attached to the stay of the vehicle body behind the above-mentioned impact receiving surface, which projects integrally behind the above-mentioned impact receiving surface, and has an open section with a hat-shaped cross section in the protruding direction. The vehicle body is characterized in that it is provided with a bumper attachment portion having a bumper attachment portion, and is fixed to the stay of the vehicle body through the protruding end surface ζ of the pant shoe attachment portion.

(作用) 上記バンパー取付部は、FRP!!/<ンl(−レイン
フォースメントと一体に成形されており、その突出端面
にて車体のステーに固定される。
(Function) The above bumper mounting part is made of FRP! ! /<nl(-It is molded integrally with the reinforcement, and is fixed to the stay of the vehicle body with its protruding end surface.

(発明の効果) 本発明によれば、パン/電−取付部がFRP製1<ンパ
ーレインフォースメントと一体に成形されているので、
バンパー取付用の部品が不要になり、部品点数が削減さ
れノ〈ンノ(−の取付作業も削減される一方、バンパー
の取付強度も大きくなる。
(Effects of the Invention) According to the present invention, since the pan/electrical attachment part is integrally molded with the FRP reinforcement,
Parts for mounting the bumper are no longer required, the number of parts is reduced, and the mounting work for the bumper is also reduced, while the mounting strength of the bumper is increased.

(実施例) 以下に、添付の図面を参照して本発明の詳細な説明する
(Example) Below, the present invention will be described in detail with reference to the accompanying drawings.

本発明に係るFRP製パン/嘴−レインフォースメント
の一実施例を第1図ないし第3図に示す。
An embodiment of the FRP bread/beak reinforcement according to the present invention is shown in FIGS. 1 to 3.

上記F RPHIバンパーレインフォースメント11は
、SMCや)(MC等の強化樹脂材料からなる。
The FRPHI bumper reinforcement 11 is made of a reinforced resin material such as SMC or MC.

上記FRPI!バンパーレインフォースメントlは、広
い平らな衝撃受面11aの背後に一体に突出し、突出方
向の断面がハツト状の開断面を有するバンパー取付部1
2. l 2.・・・を備える。各バンパー取付部12
は、上記FRPII!バンパーレインフォースメント1
1の成形と同時に一体に成形される。
Above FRPI! The bumper reinforcement l protrudes integrally behind a wide flat impact receiving surface 11a, and has a bumper mounting portion 1 having a cross section in the protruding direction that is shaped like a hat.
2. l 2. ...is provided. Each bumper mounting part 12
The above FRPII! Bumper reinforcement 1
It is integrally molded at the same time as molding of 1.

上記各バンパー取付部12の突出端面12aからは、取
付ボルト13.13.・・を突出させて固定している。
Mounting bolts 13.13. ...is protruded and fixed.

上記各取付ボルト13は、第4図に示すように、金属製
の固定板14を貫通するとともに、この固定板14に頭
部13aが溶接等により固定されている。上記取付ボル
ト13は、バンパー取付部12の突出端12aに形成さ
れた穴15に、バンパー取付部12の内側から挿通され
る。そして、第5図に示すように、上記取付ボルト13
の固定板14に形成された係止穴16と上記バンパー取
付部12の突出端12aとにリベット17を挿通し、上
記取付ボルト13を固定している。
As shown in FIG. 4, each of the mounting bolts 13 passes through a metal fixing plate 14, and has a head 13a fixed to the fixing plate 14 by welding or the like. The mounting bolt 13 is inserted into a hole 15 formed in the protruding end 12a of the bumper mounting portion 12 from inside the bumper mounting portion 12. Then, as shown in FIG. 5, the mounting bolt 13
A rivet 17 is inserted through a locking hole 16 formed in the fixing plate 14 and the protruding end 12a of the bumper mounting portion 12 to fix the mounting bolt 13.

上記p RP&!ハンパーレインフォースメント11の
前面の衝撃吸収面11aには、EAフt−ムからなる衝
撃吸収材2が配置され、それを覆って表皮部材3が上記
FRP製バンパーレインフォースメントlに、留め金具
21.22により固定される。
Above p RP&! A shock absorbing material 2 made of an EA foot is disposed on the shock absorbing surface 11a on the front surface of the hamper reinforcement 11, and covering it, a skin member 3 is attached to the FRP bumper reinforcement 1 with fasteners. Fixed by 21.22.

上記各取付ボルト13は、図示しない車体のステー4に
設けられた穴に挿通され、ナツト9により上記ステー4
に固定される。
Each of the mounting bolts 13 is inserted into a hole provided in a stay 4 of a vehicle body (not shown), and is screwed onto the stay 4 by a nut 9.
Fixed.

このような構成であれば、上記バンパー取付部12は、
FRP製バンパーレインフォースメント11と一体に成
形されており、バンパー取付用の部品が不要になり、そ
の組付作業工程も削減される。また、一体構成により、
バンパーの取付強度も大きくなる。
With such a configuration, the bumper mounting portion 12 is
It is integrally molded with the FRP bumper reinforcement 11, eliminating the need for bumper mounting parts and reducing the assembly process. In addition, due to the integrated structure,
The mounting strength of the bumper also increases.

なお、第1図および箪2図において、バンパー取付部1
2とともにFRP製バンパーレインフォースメント11
に設けられた取付部19は、フtグランプの取付部であ
る。
In addition, in Fig. 1 and Fig. 2, the bumper mounting part 1
2 and FRP bumper reinforcement 11
The mounting portion 19 provided at the is a mounting portion for a foot lamp.

本発明に係るFRP製バンパーレインフォースメントの
いま一つの実施例を第6図、第7図(a)および第7図
(b)に示す。
Another embodiment of the FRP bumper reinforcement according to the present invention is shown in FIGS. 6, 7(a) and 7(b).

上記F RP 製ハ/ハーレインフォースメントlビは
、その各端部にバンパー取付部12.12・・とともに
、強化用のリブ部分20.20.・・を形成したもので
、実質的な構成は第1図ないし第3図において説明した
ものと同じである。
The above-mentioned F RP made reinforcement has bumper attachment parts 12, 12,... and reinforcing rib parts 20, 20,... at each end thereof. ..., and the substantial structure is the same as that explained in FIGS. 1 to 3.

よって、第6図、第7図(a)および第7図(b)にお
いて、第1図ないし第3図に対応する部分には対応する
符号を付して示し、重複した説明は省略する。
Therefore, in FIG. 6, FIG. 7(a), and FIG. 7(b), parts corresponding to those in FIGS. 1 to 3 are designated by corresponding reference numerals, and redundant explanation will be omitted.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明に係るFRP製バンバーレインフォース
メントの一実施例の一部破断乎面図、第2図は第1図の
FRP製バンバーレインフォースメントの一部破断正面
図、 第3図は第2図の■−■線に沿う断面図、第4図は取付
ボルトと固定板の斜視図、第5図は取付ボルトのバンパ
ー取付部への取付ボルトの取付説明図、 第6図は本発明に係るFRP製バンバーレインフォース
メントのいま一つの実施例の一部破断乎面図、 第7図(a)は第6図のIV−IV線に沿う断面図、第
7図(b)は第6図のVl−Vl線に沿う断面図、第8
図は従来のFRP製バンパーレインフォースメントを使
用したパンパーンステムの分解斜視図、 第9図は第8図のFRP製バンパーレインフ曾−スメン
トの断面説明図である。 2・・・衝撃吸収材、3・・・表皮部材、4・・・ステ
ー、5・・・ブラケット、9・・・ナツト。 11.11’・・・FRPIIバンパーレインフ曾−ス
メント 12・・・バンパー取付部、12a・・・突出端。 13・・・取付ボルト、14・・・固定板。 18・・・スプリングナツト。
FIG. 1 is a partially cutaway front view of an embodiment of the FRP bumper reinforcement according to the present invention, FIG. 2 is a partially cutaway front view of the FRP bumper reinforcement of FIG. 1, and FIG. is a sectional view taken along the line ■-■ in Figure 2, Figure 4 is a perspective view of the mounting bolt and fixing plate, Figure 5 is an explanatory diagram of installing the mounting bolt to the bumper attachment part, and Figure 6 is A partially cutaway view of another embodiment of the FRP bumper reinforcement according to the present invention, FIG. 7(a) is a sectional view taken along line IV-IV in FIG. 6, FIG. 7(b) is a sectional view taken along the line Vl-Vl in Fig. 6;
The figure is an exploded perspective view of a pump stem using a conventional FRP bumper reinforcement, and FIG. 9 is a cross-sectional explanatory view of the FRP bumper reinforcement shown in FIG. 8. 2...Shock absorbing material, 3...Skin member, 4...Stay, 5...Bracket, 9...Nut. 11.11'...FRPII bumper reinforcement 12...Bumper mounting portion, 12a...Protruding end. 13...Mounting bolt, 14...Fixing plate. 18...Spring nut.

Claims (1)

【特許請求の範囲】[Claims] (1)広い平らな衝撃受面を有し、この衝撃受面の上に
衝撃吸収材料が配置されるとともにこの衝撃吸収材料を
覆って表皮部材が固定され、上記衝撃受面の背後側で車
体のステーに取り付けられるFRP製バンパーレインフ
ォースメントであって、 上記衝撃受面の背後に一体に突出し、突出方向の断面が
ハット状の開断面を有するバンパー取付部を備え、この
バンパー取付部の突出端面にて車体の上記ステーに固定
されるようにしたことを特徴とするFRP製バンパーレ
インフォースメント。
(1) It has a wide flat impact receiving surface, a shock absorbing material is placed on this impact receiving surface, a skin member is fixed covering this impact absorbing material, and the vehicle body is attached to the back side of the impact receiving surface. A bumper reinforcement made of FRP that is attached to the stay of the FRP, which includes a bumper attachment part that integrally protrudes behind the impact receiving surface and has a hat-shaped open cross section in the protruding direction, and the bumper attachment part that protrudes An FRP bumper reinforcement characterized in that the end face is fixed to the stay of the vehicle body.
JP27980990A 1990-10-17 1990-10-17 Bumper reinforcement made of frp Pending JPH04154456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27980990A JPH04154456A (en) 1990-10-17 1990-10-17 Bumper reinforcement made of frp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27980990A JPH04154456A (en) 1990-10-17 1990-10-17 Bumper reinforcement made of frp

Publications (1)

Publication Number Publication Date
JPH04154456A true JPH04154456A (en) 1992-05-27

Family

ID=17616225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27980990A Pending JPH04154456A (en) 1990-10-17 1990-10-17 Bumper reinforcement made of frp

Country Status (1)

Country Link
JP (1) JPH04154456A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08276802A (en) * 1995-03-31 1996-10-22 Mercedes Benz Ag Shock absorber
EP1773627A1 (en) * 2004-07-01 2007-04-18 Magna International Inc. Bumper beam for a motor vehicle
JP2014024393A (en) * 2012-07-25 2014-02-06 Honda Motor Co Ltd Vehicle bumper beam
WO2015076096A1 (en) * 2013-11-21 2015-05-28 本田技研工業株式会社 Vehicle bumper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08276802A (en) * 1995-03-31 1996-10-22 Mercedes Benz Ag Shock absorber
US5785367A (en) * 1995-03-31 1998-07-28 Mercedes-Benz Ag Bumper
EP1773627A1 (en) * 2004-07-01 2007-04-18 Magna International Inc. Bumper beam for a motor vehicle
EP1773627B1 (en) * 2004-07-01 2018-07-25 Magna International Inc. Bumper beam for a motor vehicle
JP2014024393A (en) * 2012-07-25 2014-02-06 Honda Motor Co Ltd Vehicle bumper beam
WO2015076096A1 (en) * 2013-11-21 2015-05-28 本田技研工業株式会社 Vehicle bumper

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