JPS61175568U

JPS61175568U -

Info

Publication number: JPS61175568U
Application number: JP5950485U
Authority: JP
Priority date: 1985-04-19
Filing date: 1985-04-19
Publication date: 1986-11-01

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案の実施例を示し、第
１図はタペツト部分の縦断正面図、第２図は直噴
型デイーゼルエンジンの一部切欠き縦断正面図、
第３図は燃料調量供給装置の系統図であり、第４
図は従来例の縦断正面図である。１……デイーゼルエンジン、９……ユニツトイ
ンゼクタ、１０……９のプランジヤ、３０……ロ
ツカアーム、３１……カム、３２……タペツト、
３３……プツシユロツド、３４……入力部材、３
５……出力部材、３６……３４の出力面、３７…
…３５の入力面、３８……ばね受部、３９……バ
ネ受部、４０……ばね、４６……タペツトガイド
。 1 to 3 show an embodiment of the present invention; FIG. 1 is a longitudinal sectional front view of the tappet portion; FIG. 2 is a partially cutaway longitudinal sectional front view of a direct injection diesel engine;
Figure 3 is a system diagram of the fuel metering supply device;
The figure is a longitudinal sectional front view of a conventional example. 1... Diesel engine, 9... Unit injector, 10... 9 plunger, 30... Locker arm, 31... Cam, 32... Tappet,
33...Push rod, 34...Input member, 3
5... Output member, 36... Output surface of 34, 37...
...35 input surface, 38...spring receiver, 39...spring receiver, 40...spring, 46...tappet guide.

Claims

[Scope of utility model registration request]

The plunger 10 of the unit injector 9 is connected to the fuel injection cam 31 of the fuel injection engine 1 through the tappet 32.
In a plunger drive device for a unit injector of a fuel injection engine, which is configured by interlockingly connected via a push rod 33 and a rocker arm 30, and a tappet 32 is slidably fitted into a tappet guide 46, the tappet 32 is in contact with the cam 31. The input member 34 and the output member 35 that abut the push rod 33 are slidably fitted together.
The output surface 36 of the output member 35 and the input surface 37 of the output member 35 are brought into contact with each other, and the spring 40 that pushes the output surface 36 and the input surface 37 apart is connected to the spring receiving portion 39 of the output member 35 and the spring receiving portion 38 of the input member 34. A plunger drive device for a unit injector of a fuel injection engine, characterized in that it is provided between.