JPH0171168U

JPH0171168U -

Info

Publication number: JPH0171168U
Application number: JP1987166163U
Authority: JP
Priority date: 1987-10-31
Filing date: 1987-10-31
Publication date: 1989-05-12

Description

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

第１〜３図はこの考案の第１実施例を示し、第
１図は内燃機関の一部切り欠き概略断面図、第２
図はデリバリパイプの取付け状態を示す要部拡大
断面図、第３図は環状樹脂部材と座金部との拡大
斜視図である。第４図はこの考案の第２実施例を
示す環状樹脂部材と座金部の拡大斜視図である。
第５図はこの考案の第３実施例を示す環状樹脂部
材と座金部の拡大斜視図である。第６図はこの考
案の第４実施例を示す環状樹脂部材と座金部との
拡大斜視図である。第７図は、従来のデリバリパ
イプの取付け状態を示す要部拡大断面図である。図において、２は内燃機関、４はデリバリパイ
プ、６は噴射弁、８は吸気ポート、１０はシリン
ダヘツド、１２は環状樹脂部材、１４は座金部、
１６は筒状部、１８は環状部、２０はネジ部であ
る。 1 to 3 show a first embodiment of this invention, and FIG. 1 is a partially cutaway schematic sectional view of an internal combustion engine, and FIG.
The figure is an enlarged sectional view of the main part showing the delivery pipe in an attached state, and FIG. 3 is an enlarged perspective view of the annular resin member and the washer part. FIG. 4 is an enlarged perspective view of an annular resin member and a washer portion showing a second embodiment of this invention.
FIG. 5 is an enlarged perspective view of an annular resin member and a washer portion showing a third embodiment of this invention. FIG. 6 is an enlarged perspective view of an annular resin member and a washer portion showing a fourth embodiment of this invention. FIG. 7 is an enlarged cross-sectional view of a main part showing a state in which a conventional delivery pipe is attached. In the figure, 2 is an internal combustion engine, 4 is a delivery pipe, 6 is an injection valve, 8 is an intake port, 10 is a cylinder head, 12 is an annular resin member, 14 is a washer part,
16 is a cylindrical portion, 18 is an annular portion, and 20 is a threaded portion.

Claims

【実用新案登録請求の範囲】１燃料を噴射器で噴射させる内燃機関の燃料噴
射装置において、前記噴射器へ燃料を配給するデ
リバリパイプの支持部とシリンダヘツドの座面間
に環状樹脂部材を介設し、この環状樹脂部材とシ
リンダヘツドの座面との間には前記環状樹脂部材
の径以上の径を有する座金部を介設したことを特
徴とする燃料噴射装置の取付け構造。２前記座金部は、別体の筒状部と環状部とから
なる座金部である実用新案登録請求の範囲第１項
記載の燃料噴射装置の取付け構造。３前記座金部は、筒状部と環状部とが一体的に
形成された座金部である実用新案登録請求の範囲
第１項に記載の燃料噴射装置の取付け構造。４前記座金部は、環状樹脂部材と一体に形成さ
れる環状部と別体に形成される筒状部とからなる
座金部である実用新案登録請求の範囲第１項に記
載の燃料噴射装置の取付け構造。５前記座金部は、環状樹脂部材と一体的に形成
され、且つ環状部と筒状部とも一体的に形成され
た座金部である実用新案登録請求の範囲第１項に
記載の燃料噴射装置の取付け構造。[Claims for Utility Model Registration] 1. In a fuel injection device for an internal combustion engine in which fuel is injected by an injector, an annular resin member is interposed between a support part of a delivery pipe that distributes fuel to the injector and a seat surface of a cylinder head. A mounting structure for a fuel injection device, characterized in that a washer portion having a diameter larger than the diameter of the annular resin member is interposed between the annular resin member and the seat surface of the cylinder head. 2. The mounting structure for a fuel injection device according to claim 1, wherein the washer part is a washer part consisting of a separate cylindrical part and an annular part. 3. The mounting structure for a fuel injection device according to claim 1, wherein the washer part is a washer part in which a cylindrical part and an annular part are integrally formed. 4. The fuel injection device according to claim 1, wherein the washer part is a washer part consisting of an annular part formed integrally with the annular resin member and a cylindrical part formed separately. Mounting structure. 5. The fuel injection device according to claim 1, wherein the washer part is a washer part integrally formed with the annular resin member and also integrally formed with the annular part and the cylindrical part. Mounting structure.