JPS5969045U

JPS5969045U - car bumper

Info

Publication number: JPS5969045U
Application number: JP16651382U
Authority: JP
Inventors: 伸敏清水; 豊西村; 梶尾　義広
Original assignee: 日産自動車株式会社
Priority date: 1982-11-01
Filing date: 1982-11-01
Publication date: 1984-05-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は自動車車体の前端部に取付けられた従来の自動
車用バンパーの斜視図、第２図は従来の、　　自動車用
バンパーの断面図、第３薗は第２図に示す自動車用バン
パーの分解斜視図、第４図はこの考案に係る自動車用バ
ンパーの第１実施例を示す断面図、第５図および第６図
は第４図に示す第１実施例の作用図、第７図は従来の自
動車用バンパーとこの考案に係る自動車用バンパーの実
施例め衝突時における衝撃荷重と座屈変形量の関係を示
すグラフ、第８図はこの考案に係る自動車用バンパーの
第２実施例を示す断面図、第９図はこの考案に係る自動
車用バンパーの第３実施例を示す断面図、第１０図はこ
の考案に係る自動車用バンパーの第４実施例を示す断面
図、第１１図はこの考案に係る自動車用バンパーの第５
実施例を示す断面図である。１２・・・自動車用バンパー、１３・・・バンパー表皮
、１３ａ・・・基端部、１３ｂ・・・突出端部、１３Ｃ
・・・段部、１３ｄ・・・厚肉部、１３ｅ、１３ｆ・・
・リブ、２３・・・他種の合成樹脂材。Fig. 1 is a perspective view of a conventional automobile bumper attached to the front end of an automobile body, Fig. 2 is a sectional view of the conventional automobile bumper, and Fig. 3 is an exploded view of the automobile bumper shown in Fig. 2. A perspective view, FIG. 4 is a sectional view showing a first embodiment of the automobile bumper according to the invention, FIGS. 5 and 6 are operational views of the first embodiment shown in FIG. 4, and FIG. 7 is a conventional bumper. FIG. 8 is a graph showing the relationship between the impact load and the amount of buckling deformation in the event of a collision for an automobile bumper according to the invention and an example of the automobile bumper according to the invention. FIG. 8 shows a second embodiment of the automobile bumper according to the invention. 9 is a sectional view showing a third embodiment of the automobile bumper according to this invention, FIG. 10 is a sectional view showing a fourth embodiment of the automobile bumper according to this invention, and FIG. 11 is a sectional view showing this invention. No. 5 of the invented automobile bumper
It is a sectional view showing an example. DESCRIPTION OF SYMBOLS 12... Automobile bumper, 13... Bumper skin, 13a... Base end part, 13b... Protruding end part, 13C
...Stepped portion, 13d...Thick walled portion, 13e, 13f...
- Rib, 23... other types of synthetic resin material.

Claims

[Scope of utility model registration request]

In a cross section perpendicular to the vehicle width direction, it has two substantially horizontal upper and lower base end portions fixed to the vehicle body side, and is formed into a substantially U-shape so as to be continuous with the two base end portions and protrude from the vehicle body to external forces. In the bumper for an automobile, the bumper skin is formed of a synthetic resin material and includes a protruding end portion, a stepped portion is formed in a continuous portion between the proximal end portion and the protruding end portion;
Particularly, the rigidity of the base end portion closer to the vehicle body than the step portion is made greater than the rigidity of the protruding end portion outward from the vehicle body than the step portion.
A car bumper with a distinctive feature.