JPS60143162U

JPS60143162U - engine fuel injection pump

Info

Publication number: JPS60143162U
Application number: JP3008184U
Authority: JP
Inventors: 明男石田
Original assignee: 三菱自動車工業株式会社
Priority date: 1984-03-01
Filing date: 1984-03-01
Publication date: 1985-09-21

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図は本考案の一実施例を示すポンプ全体の　　　・
断面図、第２図は第１図の■−■線に沿って視た要部断
面図、第３口出よ第２図の側面図、第４図は第１図にお
けるバレル１２の上方端面図であ１０・・・ハウジング
、１２・・・バレル、１４・・−加圧室、１６・・・吐
出弁、２４・・・プランジャ、３０・・・カム、３６・
・・燃料室、３８・・・制御スリーブ、５０・・・ラッ
ク部材、５２・・・油路、５４・・・制御溝、５６・・
・制御孔、６２・・・ボルト、６４・・・ボルト孔。！１ −６４−＼２２　１９Figure 1 shows the entire pump showing an embodiment of the present invention.
A sectional view, FIG. 2 is a sectional view of the main part taken along the line ■-■ in FIG. 1, a side view of the third exit in FIG. 2, and FIG. 4 is an upper end surface of the barrel 12 in FIG. In the figure, 10...housing, 12...barrel, 14...-pressurizing chamber, 16...discharge valve, 24...plunger, 30...cam, 36...
...Fuel chamber, 38...Control sleeve, 50...Rack member, 52...Oil passage, 54...Control groove, 56...
- Control hole, 62... bolt, 64... bolt hole. ! 1 -64-\ 22 19

Claims

[Scope of utility model registration request]

A barrel is inserted into the housing so that it can be inserted and removed freely, and is fixed to the housing by a tightening bolt. a plunger mounted in the barrel, a spring-loaded discharge valve 1 mounted in the barrel, a pressurizing chamber bounded in the barrel by the discharge valve and one end surface of the plunger, and a □ barrel formed surrounding the plunger. fuel chamber within;
A control sleeve slidably fitted to the outside of the plunger in the fuel chamber, an oil passage in the plunger whose one end opens into the pressurization chamber, and communication between the pressurization chamber and the fuel chamber via the oil passage. a control groove provided on one of the outer peripheral surface of the plunger and the control sleeve at an angle with respect to the axis of the plunger for the purpose of allowing or blocking the plunger; a control hole provided on the other of the outer peripheral surface of the plunger and the control sleeve and cooperating with the control groove; The control sleeve is provided with an injection amount control member that rotates the control sleeve around the plunger center axis, and an injection timing control member that moves the sleeve in the plunger axis direction, and the barrel and plunger are integrally connected to the control sleeve. 1. A fuel injection pump for an engine, characterized in that the fuel injection pump for an engine is configured such that the amount of fuel injection can be finely adjusted by rotating the plunger around the axis of the plunger.