JPH09263198A - Front underrun protector - Google Patents
Front underrun protectorInfo
- Publication number
- JPH09263198A JPH09263198A JP7658396A JP7658396A JPH09263198A JP H09263198 A JPH09263198 A JP H09263198A JP 7658396 A JP7658396 A JP 7658396A JP 7658396 A JP7658396 A JP 7658396A JP H09263198 A JPH09263198 A JP H09263198A
- Authority
- JP
- Japan
- Prior art keywords
- fup
- underrun protector
- central portion
- front underrun
- central
- 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
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、フロントバンパの
下方に設けられたフロントアンダーランプロテクタに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front underrun protector provided below a front bumper.
【0002】[0002]
【従来の技術】トラックと乗用車との正面衝突時にフロ
ントバンパの下側に乗用車が潜り込むことを防止して乗
員を保護するよう設けられたフロントアンダーランプロ
テクタ(以下、FUPという)は知られている(例え
ば、実開平7−4209号公報等参照)。2. Description of the Related Art A front underrun protector (hereinafter referred to as "FUP") provided to protect a passenger by preventing the passenger car from diving under a front bumper at the time of a frontal collision between a truck and a passenger car is known. (See, for example, Japanese Utility Model Laid-Open No. 7-4209).
【0003】また、FUPは車幅に対して略同じだけの
幅がなければならず、曲面を有するトラックの前面形状
に合わせて、曲面形状が考慮された強度の高いFUPを
製造することは重量増や設備にもとずくコスト上からも
実用上困難であり、従来、直線形状のものが用いられて
きた。Further, the FUP must have a width that is substantially the same as the vehicle width, and it is heavy to manufacture a high-strength FUP in consideration of the curved surface shape in accordance with the front surface shape of a track having a curved surface. It is practically difficult from the viewpoint of cost increase due to the increase in number and equipment, and conventionally, a linear shape has been used.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、造形的
にも車輌前面の形状を考慮して設けられているバンパの
下部に直線形状のFUPを取り付けることは、車輌デザ
インを損なうことになり好ましくない。However, it is not preferable to attach the linear FUP to the lower part of the bumper provided in consideration of the shape of the front surface of the vehicle in terms of modeling as well because it impairs the vehicle design.
【0005】したがって、本発明は曲面を有するトラッ
クの前面形状に対応でき、軽量で、コストがやすく、高
強度なFUPを提供することを目的としている。Accordingly, it is an object of the present invention to provide a FUP which can cope with the front shape of a track having a curved surface, is light in weight, is easy in cost, and has high strength.
【0006】[0006]
【課題を解決するための手段】本発明によれば、フロン
トバンパの下方に設けられたフロントアンダーランプロ
テクタにおいて、全体が左方部分、中央部分、右方部分
の3つに分割されており、当該3つの部分の接続個所は
入れ子式に構成されている。According to the present invention, in the front underrun protector provided below the front bumper, the whole is divided into three parts, a left part, a central part and a right part, The connection points of the three parts are nested.
【0007】また、本発明によれば、左方部分及び右方
部分の中央部分側端部が、中央部分の両端部にそれぞれ
入れ子式に挿入された状態で嵌合している。Further, according to the present invention, the end portions on the central portion side of the left portion and the right portion are fitted in both end portions of the central portion in a nested manner.
【0008】また、本発明によれば、左方部分、中央部
分、右方部分の接続個所には中子部材が設けられ、該中
子部材全体が接続されるべき両部材の内部へ挿入された
状態で嵌合している。Further, according to the present invention, core members are provided at the connecting portions of the left portion, the central portion and the right portion, and the whole core members are inserted into both members to be connected. Mated in a closed state.
【0009】また、本発明によれば、前記左方部分、中
央部分、右方部分の断面形状が閉鎖形状であり、さら
に、本発明によれば、前記左方部分、中央部分、右方部
分の何れかは、その断面形状が開放形状であってもよ
い。Further, according to the present invention, the sectional shape of the left portion, the central portion and the right portion is a closed shape, and further according to the present invention, the left portion, the central portion and the right portion. Any of the above may have an open shape in cross section.
【0010】[0010]
【発明の実施の形態】以下、図面を参照して、本発明の
実施の形態を説明する。Embodiments of the present invention will be described below with reference to the drawings.
【0011】図1は、本発明にかかるFUPの一実施の
形態を示す平面図であり、フレームのサイドレール1
0、10はファーストクロスメンバ11により連結され
ており、そのサイドレール10の先端部にはブラケット
4を介して、断面形状が角パイプで構成された直線状の
FUP中央部2が固着されている。また、そのFUP中
央部2の左端部2aには角パイプで構成され、挿入部分
1aが本体に対して僅かに屈曲されたFUP左方部分1
が入れ子式に挿入・固着され、右端部2bには角パイプ
で構成され、挿入部分3aが本体に対して僅かに屈曲さ
れたFUP右方部分3が入れ子式に挿入・固着されてい
る。ここで、入れ子式に挿入される部分は左右と中央と
が逆の関係となってもよく、また固着する方法は溶接、
栓溶接、ボルトによる締結等方法は限定されない。FIG. 1 is a plan view showing an embodiment of a FUP according to the present invention, which is a side rail 1 of a frame.
Reference numerals 0 and 10 are connected by a first cross member 11, and a linear FUP central portion 2 having a square pipe cross section is fixed to a tip end portion of the side rail 10 via a bracket 4. . The left end 2a of the FUP central portion 2 is formed of a square pipe, and the insertion portion 1a is slightly bent with respect to the main body.
Is inserted and fixed in a nested manner, and the right end 2b is formed of a square pipe, and the FUP right portion 3 in which the insertion portion 3a is slightly bent with respect to the main body is inserted and fixed in a nested manner. Here, the parts to be inserted in the nesting type may have the opposite relationship between the left and right sides and the center, and the fixing method is welding,
Methods such as plug welding and fastening with bolts are not limited.
【0012】ここで、符号12はフロントバンパを示し
ており、そのフロントバンパ12は、図2(図1の側面
図)を参照して、フロントバンパ本体12aとエアダム
12bとから一体に構成され、前面、側面から見た場
合、FUPはエアダム12bの中に隠れており、平面形
状においてもバンパ12のように曲面にはなっていない
がバンパからはみ出して外観を損ねることがないよう3
つの部材、左方部分、中央部分及び右方部分から構成さ
れている。Here, reference numeral 12 indicates a front bumper, and the front bumper 12 is integrally formed of a front bumper body 12a and an air dam 12b with reference to FIG. 2 (side view of FIG. 1). When viewed from the front and side, the FUP is hidden inside the air dam 12b and is not curved like the bumper 12 in the plan view, but it should not be protruded from the bumper and spoil the appearance.
It consists of two parts, a left part, a central part and a right part.
【0013】したがって、車幅と殆ど同じ幅とすること
が可能であり、衝突時に応力が集中するサイドレール1
0の近傍は2重となっていて強度は大であり、全体とし
ては中空構造のため軽量である。Therefore, the width of the side rail 1 can be made almost the same as the width of the vehicle, and the stress is concentrated at the time of collision.
The vicinity of 0 is double and has a large strength, and the hollow structure as a whole is lightweight.
【0014】また、中央部分2の長さを変更した部品を
設けることにより車幅の変化に容易に対応でき、左右の
部分の長さの変数を設けることにより曲面の変化にも対
応できるので、変数の少ない部品で種々の車種に対応で
き、コストを安くすることが可能である。Further, by providing a part in which the length of the central portion 2 is changed, it is possible to easily cope with a change in the vehicle width, and by providing a variable of the length of the left and right portions, it is possible to cope with a change in a curved surface. It is possible to support various vehicle types with parts with few variables and to reduce costs.
【0015】図3は、本発明の別の実施の形態を示し、
平面図において、全体を曲面に対応するよう形成したも
ので、角パイプで構成された中央部分2と左方及び右方
の部分1、3の入れ子部分を角柱に形成したパイプ1、
3とで構成されている。左右の部分がパイプのため、曲
率を小さく曲げることが容易であり、入れ子部分である
程度の車幅の変化に対応でき、挫屈にも強い。FIG. 3 shows another embodiment of the present invention,
In a plan view, the pipe 1 is formed so as to correspond to a curved surface as a whole, and a pipe 1 in which a central portion 2 formed of a square pipe and nested portions of left and right portions 1 and 3 are formed into a prism,
3 is comprised. Since the left and right parts are pipes, it is easy to bend with a small curvature, and the nesting part can respond to some changes in the vehicle width, and it is also resistant to buckling.
【0016】図4は、本発明の他の実施の形態を示し、
中央部分2の両端部を僅かに曲げると共に左右の部分1
と3とにもスライドできるよう曲率を設けたもので、別
部品を設けることなく、ある程度の車幅の変化に対応で
き、入れ子部分の長さAが長いので、FUP全体の強度
が向上する利点がある。FIG. 4 shows another embodiment of the present invention,
Both ends of the central portion 2 are slightly bent and the left and right portions 1
The curvature is provided so that it can slide to 3 and 3, and it can cope with changes in the vehicle width to some extent without providing separate parts, and since the length A of the nesting part is long, the strength of the entire FUP is improved. There is.
【0017】図5は本発明のその他の実施の形態を示
し、中央部分22と左方(右方)の部分21との接続部
19を斜めに切断し、内部に中子部材20を入れ子式に
挿入・固着したものであり、少量生産の場合に自由に変
化に対応でき便利である。FIG. 5 shows another embodiment of the present invention, in which a connecting portion 19 between a central portion 22 and a left (right) portion 21 is obliquely cut, and a core member 20 is nested inside. It is inserted in and fixed to, and is convenient because it can freely accommodate changes in small-quantity production.
【0018】図6は、左方及び右方の部分を入れ子部分
を除き、開放断面を用いた実施の形態で、軽量化できる
利点がある。また、開放断面を用いる部分は左右の部分
に限定されるものでなく、形状・必要強度により選択す
ればよい。FIG. 6 shows an embodiment in which the left and right portions are excluding the nesting portion and an open cross section is used, and there is an advantage that the weight can be reduced. Further, the portion using the open cross section is not limited to the left and right portions, and may be selected according to the shape and required strength.
【0019】[0019]
【発明の効果】本発明は上記のように構成されているの
で、FUPを3分割することにより曲面に対応でき、一
体構造に比し構造簡単で製造も容易であり、低コストと
することができると共に、車幅の異なる車種への適用が
可能となり、重量増なしに強度が向上できる。EFFECTS OF THE INVENTION Since the present invention is constructed as described above, it is possible to deal with a curved surface by dividing the FUP into three parts, and the structure is simpler and easier to manufacture than the integrated structure, and the cost can be reduced. In addition, it can be applied to vehicle types having different vehicle widths, and the strength can be improved without increasing the weight.
【図1】本発明の一実施の形態を示すFUPの平面構成
図。FIG. 1 is a plan configuration diagram of a FUP showing an embodiment of the present invention.
【図2】図1の側面図FIG. 2 is a side view of FIG. 1;
【図3】本発明の別の実施の形態を示す平面構成図。FIG. 3 is a plan configuration diagram showing another embodiment of the present invention.
【図4】本発明の他の実施の形態を示す平面構成図。FIG. 4 is a plan configuration diagram showing another embodiment of the present invention.
【図5】本発明のその他の実施の形態を示す平面構成
図。FIG. 5 is a plan configuration diagram showing another embodiment of the present invention.
【図6】左方及び右方部分を開放断面とした実施の形態
を示す斜視図。FIG. 6 is a perspective view showing an embodiment in which the left and right portions have open cross sections.
1、21、23・・・左方部分 2、22・・・中央部分 3・・・右方部分 4・・・ブラケット 10・・・サイドレール 11・・・ファーストクロスメンバ 12・・・バンパ 12a・・・バンパ本体 12b・・・エアダム 1, 21, 23 ... Left part 2, 22 ... Central part 3 ... Right part 4 ... Bracket 10 ... Side rail 11 ... First cross member 12 ... Bumper 12a ... Bumper body 12b ... Air dam
Claims (5)
ントアンダーランプロテクタにおいて、全体が左方部
分、中央部分、右方部分の3つに分割されており、当該
3つの部分の接続個所は入れ子式に構成されていること
を特徴とするフロントアンダーランプロテクタ。1. A front underrun protector provided below a front bumper is wholly divided into a left portion, a central portion, and a right portion, and the connection points of the three portions are nested. A front underrun protector characterized in that
が、中央部分の両端部にそれぞれ入れ子式に挿入された
状態で嵌合している請求項1のフロントアンダーランプ
ロテクタ。2. The front underrun protector according to claim 1, wherein the left end portion and the right end portion of the central portion side end portion are fitted in both end portions of the central portion in a telescopically inserted state.
所には中子部材が設けられ、該中子部材全体が接続され
るべき両部材の内部へ挿入された状態で嵌合している請
求項1のフロントアンダーランプロテクタ。3. A core member is provided at a connecting portion of the left portion, the central portion, and the right portion, and the core member is fitted in a state in which it is inserted into both members to be connected. The front underrun protector according to claim 1.
面形状が閉鎖形状である請求項1〜3の何れかのフロン
トアンダーランプロテクタ。4. The front underrun protector according to claim 1, wherein the left side portion, the central portion, and the right side portion have a closed cross-sectional shape.
れかは、その断面形状が開放形状である請求項1、2の
何れかのフロントアンダーランプロテクタ。5. The front underrun protector according to claim 1, wherein any one of the left portion, the central portion, and the right portion has an open sectional shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07658396A JP3297298B2 (en) | 1996-03-29 | 1996-03-29 | Front underrun protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07658396A JP3297298B2 (en) | 1996-03-29 | 1996-03-29 | Front underrun protector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09263198A true JPH09263198A (en) | 1997-10-07 |
JP3297298B2 JP3297298B2 (en) | 2002-07-02 |
Family
ID=13609315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP07658396A Expired - Fee Related JP3297298B2 (en) | 1996-03-29 | 1996-03-29 | Front underrun protector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3297298B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006036071A (en) * | 2004-07-28 | 2006-02-09 | Press Kogyo Co Ltd | Front under run protector |
WO2012169524A1 (en) * | 2011-06-09 | 2012-12-13 | いすゞ自動車株式会社 | Underrun protector structure |
GB2526692A (en) * | 2015-05-07 | 2015-12-02 | Daimler Ag | Method for manufacturing an underrun protection device for a vehicle as well as modular system for a plurality of variance of an underrun protection device |
-
1996
- 1996-03-29 JP JP07658396A patent/JP3297298B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006036071A (en) * | 2004-07-28 | 2006-02-09 | Press Kogyo Co Ltd | Front under run protector |
WO2012169524A1 (en) * | 2011-06-09 | 2012-12-13 | いすゞ自動車株式会社 | Underrun protector structure |
GB2526692A (en) * | 2015-05-07 | 2015-12-02 | Daimler Ag | Method for manufacturing an underrun protection device for a vehicle as well as modular system for a plurality of variance of an underrun protection device |
Also Published As
Publication number | Publication date |
---|---|
JP3297298B2 (en) | 2002-07-02 |
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