JPS6042138A - Automobile bumper - Google Patents

Automobile bumper

Info

Publication number
JPS6042138A
JPS6042138A JP15073283A JP15073283A JPS6042138A JP S6042138 A JPS6042138 A JP S6042138A JP 15073283 A JP15073283 A JP 15073283A JP 15073283 A JP15073283 A JP 15073283A JP S6042138 A JPS6042138 A JP S6042138A
Authority
JP
Japan
Prior art keywords
bumper
stay
side member
car body
end portion
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
JP15073283A
Other languages
Japanese (ja)
Inventor
Masakazu Asaka
浅香　雅一
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP15073283A priority Critical patent/JPS6042138A/en
Publication of JPS6042138A publication Critical patent/JPS6042138A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • B60R19/12—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement vertically spaced

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PURPOSE:To enable protection of pedestrians and protection of a car body surely by increasing the arranged height above the ground by fitting a bumper to the end portion of the side member of a car body through a stay and an auxiliary bumper. CONSTITUTION:A first bumper 11 is connected to a bumper stay 14 and a bumper body 10 is connected to the end portion of a car body side member S.M by a bolt/nut through a bumper stay 14 which is formed by making vertical center lines L1 and L2 of a stay base portion 14b and a front end portion 14a to match with each other. As a second bumper 12 has U-shaped section which is larger than that of the bumper 11, it is projected by the necessary over-hang volume 1. Thus, the second bumper 12 can have a large arranged height above the ground and it looks bigger, and at the same time, at the time of collision, an inpact from the first bumper 11 is transmitted from the bumper stay 14 in a straight line to a car body side member S.M and absorbed by it.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は自動車用バンパーに関する。[Detailed description of the invention] Industrial applications The present invention relates to an automobile bumper.

従来技術 近年、自動車用バンパーには歩行者安全対策と、軽衝突
時のバンパー外形保護対策の上で、例えばダットサンブ
ルーバードＥ−ＪＱｔＯ型、Ｅ−ＰＪ９１０型、Ｅ−Ｐ
９１０型、Ｅ−Ｙ９１０型整備要領書３０４〜３０５頁
に示されるように鋼板材等の剛性材料からなるバンパー
アーマチュアを、樹脂、ゴム等の弾性材料からなるバン
パーフェイシャで被覆した所謂ンフトバンパーが多用さ
れている。これを第１図によって具体的に説明−［ると
、バンパーアーマチュア、２は金属板？以って断面路コ
字形に成形されている一方、バンパーフェイシャ３は適
宜の樹脂材料を以って同様に断面路コ字形に成形されて
おり、このバンパーフェイシャ３はバンパーアーマチュ
アコの前側に所要の間隙Ｇをおいてバンパーアーマチュ
ア２の上、下壁に図外のボルト・ナラ）４により結合さ
れている。そして、このバンパーアーマチュアコとパン
、パ′−７エイシヤ３とからなるバンパ一本体／は、前
記バンパーアーマチュア２Ｋ　接Ｈしたバンパニスティ
３によりフロントサイドメンバやリヤサイドメンバ等、
車体前後方向強度部材の車体サイド、メンバＳ・Ｍの端
部にボ／ｌ−ト・ナツトｔφ結合される。Prior Art In recent years, automobile bumpers have been designed with pedestrian safety measures and bumper external protection measures in the event of a minor collision, such as Datsun Bluebird E-JQtO, E-PJ910, and E-P.
As shown on pages 304 to 305 of the 910 type and E-Y910 type maintenance instructions, so-called foot bumpers are often used, in which a bumper armature made of a rigid material such as a steel plate is covered with a bumper fascia made of an elastic material such as resin or rubber. has been done. This will be explained in detail with reference to Figure 1 - [Then, bumper armature, 2 is a metal plate? Therefore, the bumper fascia 3 is formed to have a U-shaped cross section, while the bumper fascia 3 is also formed to have a U-shaped cross section by using an appropriate resin material, and this bumper fascia 3 is attached to the front side of the bumper armature. It is connected to the upper and lower walls of the bumper armature 2 with a gap G between them by bolts (not shown) 4. The bumper main body consisting of this bumper armature, pan, and part 7 Asia 3 is connected to the bumper armature 2K and is connected to the front side member, rear side member, etc.
A bolt/nut tφ is connected to the ends of members S and M on the vehicle body side of the strength member in the longitudinal direction of the vehicle body.

ところで、このような自動車用バンパーは、歩行者の安
全対策および車体の保護対策の上からその配設地上高が
決められるが、車体の造形上該バンパーの地上高を高く
したいという要望があり、特に車体フロントの前傾度合
いを高くした７％　ｆｔ１ｌスラントノーズタイプの自
動車のフロントバンパー桔 にあってこの要望が著しい。By the way, the ground clearance of such automobile bumpers is determined based on pedestrian safety measures and vehicle body protection measures, but there is a desire to increase the ground clearance of the bumper due to the shape of the car body. This demand is especially remarkable for the front bumper of a 7% ft 1l slant nose type car, which has a high degree of forward inclination at the front of the car body.

そこで、一般には図示するようにバンパ本体／のコ字形
断面の高さ寸法ｈ１を比較的大きく設定する一方、パン
パースティｊの前端部３αの高さ寸法魁をバンパ一本体
／σ）高さ寸法ｈ１ｖｒ、合わせてステイＭｍｓｂの高
さり、よりも大きくして、このパンパースティ前端部Ｊ
αにバンパーアーマチュア２を結合するようにしている
ため、パンパースティＪのステイ基部３ｂの中心線４と
、前端部、３ａの中心線４とを上下方向にオフセットし
て形成していた。Therefore, generally, as shown in the figure, the height h1 of the U-shaped cross section of the bumper body is set relatively large, while the height dimension of the front end 3α of the pumper tee is set to the height dimension h1 of the bumper body /σ). h1vr, together with the height of the stay Mmsb, and make this pampersty front end J
Since the bumper armature 2 is coupled to α, the centerline 4 of the stay base 3b of the pampers tie J and the centerline 4 of the front end 3a are offset in the vertical direction.

ところが、かかる従来の構造にあっては、車両の衝突時
にバンパ一本体／Ｋ例えば水平方向に外力Ｆが作用する
と、パンパースティ５の前端部５αの高さ寸法り、がス
ティ基部ｓｂの高さ寸法り、よりも高く設定されている
ため、該パンパースティｊにはステイ基部ｓｂから車体
サイドメンバ８．Ｍ方向に向く水平力ｆｘＶｃ加えて、
斜め上方に向く分力ｆ２カ大きく作用し、このためパン
パースティ５がその前端部分より上方に折れ曲がり易く
、衝突人力を車体前後方向強度部材のサイドメンバＳ・
Ｍに確実に負担させることができず、所期する車体保護
効果が得られなくなってしまう不具合があった。However, in such a conventional structure, when an external force F is applied to the bumper body/K, for example in the horizontal direction, during a vehicle collision, the height of the front end 5α of the pumper stay 5 increases to the height of the stay base sb. Since the dimensions are set higher than the dimensions, the pumper tee is connected from the stay base sb to the vehicle body side member 8. In addition to the horizontal force fxVc directed in the M direction,
The diagonally upward component force f2 acts strongly, and as a result, the pampers tie 5 tends to bend upward from its front end, and the collision human force is transferred to the side member S, which is a strength member in the longitudinal direction of the vehicle body.
There was a problem in that the burden could not be reliably placed on M, and the desired effect of protecting the vehicle body could not be obtained.

発明の目的 本発明はかかる従来の実状に鑑み、パンツ（−の配役地
上高乞外観上高く設定することができて、車体造形上の
要求に十分に応えることができると共に、歩行者の安全
保護および軽衝突時の車体保護を十分に行え、しかもバ
ンパーに衝突人力が大きく作用した場合には、この衝突
人力？パン・り一ステイを介して車体サイドメンバに確
実に負担させることができるよ５＋Ｃした自動車用バン
パーを提供することを目的とするものである。Purpose of the Invention The present invention has been developed in view of the above-mentioned conventional situation, and it is possible to set the ground clearance of the pants (-) to be high in appearance, to fully meet the requirements for car body design, and to protect the safety of pedestrians. The vehicle body can be sufficiently protected in the event of a light collision, and if a large amount of human force is applied to the bumper, the burden can be reliably transferred to the side members of the vehicle body via the pan/rear stay.5+C The object of the present invention is to provide a bumper for an automobile that is improved.

発明の構成 前記目的全達成するため、本発明自動車用バンパーにあ
っては、車体サイドメンバの水都に接続されるバンパー
スティンそのヌティ基部及び前端部Ｏ）上下方向の中心
線とを合致させて形成し、該パンパースティの前端部に
剛性部材からなる第１バンパー１結合Ｌ、コ９１ｆｆｒ
　ｌ　、、＜ンハーｖ−ｒ上面ｖｃ該第１バンパーより
所要のオーバー・・ング量で突出する弾性部材からなる
第２パンパーン′結合しである。Structure of the Invention In order to achieve all of the above-mentioned objects, in the automobile bumper of the present invention, the nut base and front end of the bumper stain connected to the water column of the side member of the vehicle body are aligned with the center line in the vertical direction. The first bumper 1 is connected to the front end of the pampers tie by a rigid member L and 91ffr.
1, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 1 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 1 , , , , , , , , , , , , , , , , , , , , ,

実施例 以下、本発明の実施例を図面と共に詳述する。Example Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

第２図Ｑ″ｒ、−例として本発明ンフロントバン？り−
に採用した場合を示すもので、図中Ｂは車体、／っけバ
ンパ一本体を示し、このバンパ一本体１０は第２図にも
示すように剛性部材、例えば鋼板材を以って断面路コ字
形に形成した第１バンパー／／と、樹脂、ゴム等の弾性
部材？以って断面路コ字形に形成され、前記第１バンパ
ー／／の上面に例えばボルト・ナツト／、Ｊ′結合され
たｍ２バンパー／ユとから構成されている。FIG. 2 Q″r - As an example, the front van of the present invention -
In the figure, B indicates a vehicle body and a bumper body, and this bumper body 10 is made of a rigid member, such as a steel plate, as shown in FIG. The first bumper formed in a U-shape // and an elastic member such as resin or rubber? Therefore, the cross section is formed in a U-shape, and is composed of an m2 bumper//, which is connected to the upper surface of the first bumper// by, for example, bolts/nuts// and J'.

第１バンパー／／ハバンパーステイ／　ｑ　ｖｃ　Ｍ　
合され、バンパ一本体１０はステイ基部／’ｊ６及び前
端部／ｑασ）、上下方向の中心線り、’、　ＬｓＹ合
致させて形成されたパンパースティ／４Ｙ介して小体サ
イドメンバ、従って本実施例ではフロントサイドメンバ
Ｓ＠Ｍの端部にボルト・ナツト／、５結合しである。本
実施例におけるこのパンパースティ／１はその先端から
後端に亘って高さ寸法ＶＣ変化σ）ない直状のヌテイが
用いられている。従って、第１バンパー／／はこのステ
ィ／＜を先端の高さ寸法に合わせて高さ寸法の小さな比
較的小型σ）コ字形断面に形成されている。−力、＠２
バンパー／、ｌは前記第１バンパー／／よりも大型σ）
コ字形断面に形成され、該第１バンパー／／σ）上向に
結合されて第１バンパー／／の前方にＦｆｒ５のオーバ
ーハング量ｔで突出している。1st bumper//hub bumper stay/ q vc M
When assembled, the bumper main body 10 connects the stay base/'j6 and the front end/qασ), the vertical center line, ', and the small body side member via the pumper stay/4Y formed to match LsY. In the example, a bolt/nut/5 is connected to the end of the front side member S@M. In this embodiment, the Pampersti/1 uses a straight Nutei with no change in height VC from the tip to the rear end. Therefore, the first bumper // is formed to have a relatively small U-shaped cross section with a small height dimension, matching the height dimension of the tip of the stay /<. -Power, @2
Bumper/, l is larger than the first bumper// σ)
The first bumper //σ) is formed in a U-shaped cross section, is coupled upwardly, and protrudes in front of the first bumper // with an overhang amount t of Ffr5.

以上の実施例構造によれば、第２バンパーｌユが第１バ
ンパー／ｌよりも大型σ）コ字形断面に形成されていて
、該第１バンパー／／の上方で前方に所要のオーバーハ
ング量ｔで突出しているため、この第２バンパー７．２
が大きく目立って見掛は上、該第２バンパー７２位置が
パン・（−配設地上高となり、小体造形上の理由から）
くン、＜−配設地上高を高くしたいという櫓求ン満足さ
せることができる。According to the above embodiment structure, the second bumper l is formed to have a U-shaped cross section that is larger than the first bumper, and has a required overhang amount forward above the first bumper. Because it protrudes at t, this second bumper 7.2
is large and conspicuous and appears to be on the top, and the second bumper 72 position is pan-(- due to the installation ground clearance, due to the small body design)
This can satisfy the desire for a tower with a higher ground clearance.

一方、バンパー機能としては、前述のように弾性材から
なる第２パンツζ−７２が第１ノくンノ（−／／よりも
突出しＣいて、該第２パンツクー／コが障害物に先当り
するようになっているため、歩行者安全対策および軽衝
突時σ〕バンパー外形保護対策σ）上で同等支障を米丁
ことはない。そして、衝突入力が大きな衝突時ＶＣは、
第２ノ（ン・＜−／コが弾性変形した後に鋼板材からな
る第１２＜ンー：−／／でこの衝突入カビ受けろか、パ
ンツ（−ステイ／ｑが基部／μｂ及び先！１ｌｉｉＡ部
／μαの上ｆ方向の中心線と合致させた形状となってい
るため　／＜ン／＜−ステイ／／が曲がりにくく該衝突
人力はＢｌバンパー／／かラパンバーステイ７μを介し
てフロントサイドメン、＜８−Ｍに略−直線に作用して
、該フロントサイドメンバＳ−Ｍで負担′１″ることが
でき、従って、バンパー支持強度が高まり車体保護機能
を十分に発揮することができるのである。ここで、第１
バンパー／／の衝突人力π対する強度は、コ字形断面の
前後方向寸法で決定されるものであるから、高さ寸法ビ
低めても前後方向寸法を七分に確保しておけば、つまり
、従来のパン・く−アーマチュアコと同等の前後方向寸
法としておけば、小型のコ字形断面であっても強度が下
がることはない□また、第１バンパー／／を車体」３と
同一色に、第２バンパー７２を素材樹脂色にしてひけば
、こσ）第２バンパー／ユが一際目立し、見掛は上の地
上高７より強調できて効果的である。On the other hand, as a bumper function, as mentioned above, the second pants ζ-72 made of elastic material protrudes more than the first pants (-//), and the second pants ζ-72 hits the obstacle first. Therefore, there is no equivalent problem in pedestrian safety measures and minor collisions (σ) and bumper external protection measures (σ). Then, the VC at the time of a collision with a large collision input is
After the second part is elastically deformed, the 12th part made of steel plate material will receive this collision mold. Since the shape matches the center line in the upper f direction of /μα, the /<n/<-stay// is difficult to bend, and the collision human force is transmitted to the front side member through the Bl bumper // or Lapin bar stay 7μ. <8-M acts approximately in a straight line, and the load can be borne by the front side member S-M. Therefore, the bumper support strength is increased and the vehicle body protection function can be fully demonstrated. .Here, the first
The strength of the bumper // against the collision human force π is determined by the longitudinal dimension of the U-shaped cross section, so if the longitudinal dimension is maintained at 70% even if the height dimension Bi is lowered, that is, compared to the conventional If the dimensions in the longitudinal direction are the same as those of the Pan-Armature Co., the strength will not decrease even if the cross section is small. If the second bumper 72 is made of resin color, the second bumper/y will stand out and its appearance will be more emphasized than the ground clearance 7 above, which is effective.

発明の効果 以上のように本発ＥｊＪＪＶｃよれば、ステイ基邪及び
前端部の上下方向の中心線と乞合致させて形成されたパ
ンパースティの前端部に結合した第１ノくンバーを剛性
部材で形成し、第１パン・（−上面に結合した第２バン
パーを弾性部材で形成して、該第２バンパーヲ所要のオ
ーパーツ１ング量で第１　）＜ンバーよりも突出配置し
である関係上、この第２ノくンパーが外観上大きく目立
って見掛は上のｚくンノ（−地上高となるため、パン・
（−地上高？高めＩｃ設定したいという車体造形上σ）
要求に十分応えることができ、しかも、この第２パンツ
（−によって歩行者安全対策および軽衝突時のパン・（
−外形保蒋対策を行えて、ソフトバンパ一本来の機能を
十分に確保することができる。Effects of the Invention As described above, according to the present EjJJVc, the first lever connected to the front end of the pampers tie, which is formed to closely match the vertical center line of the stay base and the front end, is made of a rigid member. A second bumper coupled to the upper surface of the first pan is formed of an elastic member, and the second bumper is arranged to protrude from the first bumper by a required amount. , this second pump is large and conspicuous in appearance, and it appears to be above the ground (- ground clearance, so the pan and
(-Ground clearance? Due to the car body design, we want to set a high Ic)
In addition, this second pair of pants (-) can be used as a pedestrian safety measure and to protect the pants in the event of a minor collision.
- Measures can be taken to preserve the external shape, and the original function of the soft bumper can be sufficiently ensured.

そして、このようにｍｘバンパー、第２バンパーを上下
方向に連投しであるために、第１バンパーの高さ寸法を
極力小さくすることができ、しかモ、パンパーステイｖ
ｃハこの第１バンパーが結合されるため、パンパーステ
ィとしては該第１バンパーの高さ寸法の面状のスティを
用いることができ、従って、比較的衝突人力の大きな衝
突時にはパンパースティの上方への折曲を伴わずに該入
力を正体前後方向強Ｅ、部材の車体サイドメンバに確実
に負担させることができて車体保護を行えるのである６
また、このように第１バンパー、パンパースティを小型
化できるためＭ景軽減が図れ、出力、燃費の向上に大き
く寄与できる利点があり、更には、従来マスキングが必
要であったバンパーの多色塗装ケ、第１．第２パンツ（
−に分割することによって容易に多色塗装のパンツ＜−
ンｉ、ｂｃともできるという実用上多大な効果を有１−
る。Since the mx bumper and the second bumper are stacked vertically in this way, the height of the first bumper can be made as small as possible.
c) Since this first bumper is coupled, a planar stay with the height dimension of the first bumper can be used as the pampersti, and therefore, in the event of a collision with relatively large human force, the pampersti will move upwards. The input force can be reliably borne by the vehicle body side members in the longitudinal direction without bending, and the vehicle body can be protected.
In addition, since the first bumper and pumpersty can be made smaller in this way, the M-view can be reduced, which has the advantage of greatly contributing to improved output and fuel efficiency.Furthermore, the bumper can be painted in multiple colors, which previously required masking. K. 1st. Second pants (
- Easily paint multi-colored pants by dividing them into <-
It has a great practical effect in that it can be used for both i and bc.
Ru.

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

第１図は従来のバンパー２示す断面１図、第２図は本発
明バンパーの取付状態を示す自動車フロント部の外観斜
視図、第３図は同］くンノ）−の構造を示す断面図であ
る。 ／Ｑ０．、バンパ一本体、／／０．、第１バンパー、１
２・・・第２バンパー、／１７・・・パンツ（−ステイ
、／ｌｌａ・・・前端部、ｌ’ｔｂ・・・ステイ基部、
８−Ｍ・・・車体サイドメンバ、Ｔ、、、Ｌ９・・・中
心線。Fig. 1 is a sectional view showing a conventional bumper 2, Fig. 2 is an external perspective view of the front part of an automobile showing the installed state of the bumper of the present invention, and Fig. 3 is a sectional view showing the structure of the same. be. /Q0. , bumper body, //0. , first bumper, 1
2...Second bumper, /17...Pants (-stay, /lla...front end, l'tb...stay base,
8-M...Vehicle body side member, T...L9...Center line.

Claims (1)

【特許請求の範囲】[Claims] （１）車体サイドメンバの端部に接続されるパンパース
ティをそのステイ基部及び前端部の上下方向の中心線と
を合致させて形成し、該パンパースティの前端部に剛性
部材からなる第１バンパー乞結合し、この第１バンパー
の上面に該第１バンパーより所要σ）オーバーハング量
で突出する弾性部材からなる第２バンパーヲ結合したこ
と７特徴とする自動車用バンパー。(1) A pumper tee connected to the end of the vehicle body side member is formed by aligning the stay base with the vertical center line of the front end, and a first bumper made of a rigid member is attached to the front end of the pumpertie. 7. A bumper for an automobile, characterized in that a second bumper made of an elastic member is coupled to the upper surface of the first bumper and protrudes from the first bumper by a required amount of overhang.
JP15073283A 1983-08-18 1983-08-18 Automobile bumper Pending JPS6042138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15073283A JPS6042138A (en) 1983-08-18 1983-08-18 Automobile bumper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15073283A JPS6042138A (en) 1983-08-18 1983-08-18 Automobile bumper

Publications (1)

Publication Number Publication Date
JPS6042138A true JPS6042138A (en) 1985-03-06

Family

ID=15503199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15073283A Pending JPS6042138A (en) 1983-08-18 1983-08-18 Automobile bumper

Country Status (1)

Country Link
JP (1) JPS6042138A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8141918B2 (en) 2006-02-24 2012-03-27 Honda Motor Co., Ltd. Pedestrian bumper system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8141918B2 (en) 2006-02-24 2012-03-27 Honda Motor Co., Ltd. Pedestrian bumper system and method

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