JPH0170974U - - Google Patents

Description

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

第１図は本考案の一実施例を示す自動車のドア
開閉機構の弾性支持ヒンジ部の概略斜視図、第２
図は同上ヒンジ部の円弧状長孔とピンとの関係を
示す図、第３図は同上ヒンジ部の側断面図、第４
図はドア開閉機構及びドアの、開閉時の動き及び
位置関係を示す図、第５図は同上機構の上部ヒン
ジ部の上面図、第６図は従来技術を示すドアヒン
ジ機構の断面図である。 １１…固定第１ブラケツト、１１ａ…固定第１
ブラケツトの上部突部、１１ｂ…固定第１ブラケ
ツトの下部突部、１２…ピン、１３…ドア側第１
ブラケツト、１５…弾性部材、２０…自動車の本
体側部材、３０…固定第２ブラケツト、３３…リ
ンク機構、４０…ドア、４０ｃ…ドアの上部前端
部、５０…ドア側第２ブラケツト、１００…弾性
支持ヒンジ部、１０１…上部ヒンジ部、１１１ａ
…円弧状長孔、Ｂ…ピン支持中心部、Ｐ…ドアの
回転軸心、Ｑ…固定第２ブラケツト側のリンク機
構の回転軸心、Ｒ…ドア側第２ブラケツト側のリ
ンク機構の回転軸心。 FIG. 1 is a schematic perspective view of an elastic support hinge portion of an automobile door opening/closing mechanism showing one embodiment of the present invention;
The figure shows the relationship between the arc-shaped elongated hole of the hinge part and the pin, Figure 3 is a side sectional view of the hinge part, and Figure 4
The figure shows the movement and positional relationship of the door opening/closing mechanism and the door during opening/closing, FIG. 5 is a top view of the upper hinge part of the same mechanism, and FIG. 6 is a cross-sectional view of the door hinge mechanism showing the prior art. 11...Fixed first bracket, 11a...Fixed first bracket
Upper protrusion of bracket, 11b... Lower protrusion of fixed first bracket, 12... Pin, 13... Door side first
Bracket, 15... Elastic member, 20... Car body side member, 30... Fixed second bracket, 33... Link mechanism, 40... Door, 40c... Upper front end of door, 50... Door side second bracket, 100... Elasticity Support hinge part, 101... Upper hinge part, 111a
...Circular long hole, B...Pin support center, P...Rotation axis of the door, Q...Rotation axis of the link mechanism on the fixed second bracket side, R...Rotation axis of the link mechanism on the second door side bracket side heart.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自動車のドアの上部前端部を、前記ドアを開く
に従つて、外側に向かつて大きく開放させる機構
であつて、前記自動車の本体側に設けられ、上、
下部にそれぞれ突部を有し、該上部の突部に円弧
状長孔を備える固定第１ブラケツトと、該固定第
１ブラケツトの下部の突部に下端部が弾性部材を
介して支持され、上端部が前記円弧状長孔にガイ
ドされて摺動するピンと、該ピンに上、下部がそ
れぞれ回転自在に支持され、ドアに固定されるド
ア側第１ブラケツトとからなる弾性支持ヒンジ部
と、該弾性支持ヒンジ部の上方に配置され、前記
自動車の本体側に設けられる固定第２ブラケツト
と、ドアに固定されるドア側第２ブラケツトと、
該ドア側第２ブラケツトを前記固定第２ブラケツ
トに対して円状に移動させるリンク機構とからな
る上部ヒンジ部とを具備し、前記ドアの回転軸心
を、前記弾性部材の前記ピン支持中心部と、前記
固定第２ブラケツト側の前記リンク機構の回転軸
心とを結ぶ直線に一致させ、前記ピン支持中心部
と、前記ドア側第２ブラケツト側の前記リンク機
構の回転軸心とを結ぶ直線を母線とする円錐面上
に沿つて、前記ドアを回転させるようにしたこと
を特徴とする自動車のドア開閉機構。 A mechanism for widening the upper front end of a door of an automobile toward the outside as the door is opened, the mechanism being provided on the main body side of the automobile, and comprising:
a fixed first bracket having a protrusion at its lower part and an arcuate elongated hole in the upper protrusion; a lower end of the fixed first bracket is supported by the lower protrusion via an elastic member; an elastic support hinge portion consisting of a pin whose portion slides while being guided by the arcuate long hole; and a door-side first bracket whose upper and lower portions are rotatably supported by the pin and which are fixed to the door; a fixed second bracket disposed above the elastic support hinge portion and provided on the main body side of the automobile; and a door-side second bracket fixed to the door;
an upper hinge portion comprising a link mechanism for circularly moving the door-side second bracket with respect to the fixed second bracket, and the rotation axis of the door is aligned with the pin support center portion of the elastic member. and the rotation axis of the link mechanism on the fixed second bracket side, and a straight line connecting the pin support center and the rotation axis of the link mechanism on the door side second bracket side. A door opening/closing mechanism for an automobile, characterized in that the door is rotated along a conical surface having a generatrix of .