JPS59121470U

JPS59121470U - Mechanical fuel pump for internal combustion engines

Info

Publication number: JPS59121470U
Application number: JP1536083U
Authority: JP
Inventors: 三宅　「たか」志
Original assignee: トヨタ自動車株式会社
Priority date: 1983-02-07
Filing date: 1983-02-07
Publication date: 1984-08-16

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 the drawing]

第１図は本考案の燃料ポンプの一部切欠き側面図、第２
図は第１図の■−■矢視断面図、第３図は第１図のＡ矢
視下面図、第４図は他の実施態様の部分的断面図、第５
図は第４図の■−■矢視断面図である。１０・・・燃料ポンプ、１２・・・ポンプ本体、１６・
・・動弁室、１８・・・動弁室側壁、２Ｇ・・・ダイア
フラムロッド、２２・・・オイルシール、３０・・・呼
吸穴、３４・・・ロッカーアーム、４０・・・カム、４
２・・・オイル排出穴、４４・・・ロッカーアームの溝
、４６・・・堰。Figure 1 is a partially cutaway side view of the fuel pump of the present invention;
The figures are a cross-sectional view taken along arrows ■-■ in FIG. 1, FIG. 3 is a bottom view taken along arrow A in FIG. 1, FIG. 4 is a partial sectional view of another embodiment, and
The figure is a sectional view taken along the line ■-■ in FIG. 4. 10...Fuel pump, 12...Pump body, 16.
... Valve train chamber, 18... Valve train chamber side wall, 2G... Diaphragm rod, 22... Oil seal, 30... Breathing hole, 34... Rocker arm, 40... Cam, 4
2...Oil drain hole, 44...Rocker arm groove, 46...Weir.

Claims

[Scope of claim for utility model registration] 1. A pump body attached to the side wall of the engine valve chamber,
a pump mechanism mounted within the pump body; and a boat-shaped rocker arm for driving the pump that is swingably supported on the pump body, one end of which extends into the pump body to operate the pump mechanism. a mechanical fuel pump for an internal combustion engine, the other end of which extends into a valve train chamber and engages with a pump driving cam disposed within the valve train chamber. . A mechanical fuel pump for an internal combustion engine, characterized in that the bottom of the boat-shaped rocker arm for driving the pump is provided with a hole for draining oil. 2. The fuel pump according to claim 1, wherein the oil discharge hole at the bottom of the rocker arm is arranged facing the valve train chamber. 3. The fuel pump according to claim 2, wherein the groove of the boat-bottom rocker arm is provided with a weir behind the oil discharge hole.