JPH02124263U

JPH02124263U -

Info

Publication number: JPH02124263U
Application number: JP3147089U
Authority: JP
Priority date: 1989-03-22
Filing date: 1989-03-22
Publication date: 1990-10-12

Description

[Brief explanation of drawings]

第１図は本考案の一実施例による燃料噴射ポン
プ２０のデリバリバルブ２１部分の要部縦断図、
第２図は第１図の−線拡大断面図、第３図は
同、従来の燃料噴射ポンプ１のデリバリバルブホ
ルダ２部分の要部断面図、第４図は第３図の−
線断面図てある。１……燃料噴射ポンプ、２……デリバリバルブ
ホルダ、３……デリバリバルブ室、４……燃料出
口、５……噴射菅、６……噴射ノズル、７……燃
料噴射ポンプ本体、８……プランジヤバレル、９
……プランジヤ、１０……燃料圧室、１１……デ
リバリバルブシート、１２……デリバリバルブ、
１３……デリバリバルブシート部、１４……デリ
バリバルブカラー部、１５……羽根部、１６……
燃料叶出用通路、１７……アングライヒカツト、
１８……デリバリバルブセツトスプリング、１９
……シート面、２０……燃料噴射ポンプ、２１…
…デリバリバルブ、２１Ｌ……左側デリバリバル
ブ本体、２１Ｒ……右側デリバリバルブ本体、２
２……中央分割面、２３……平ワツシヤ、２４…
…切欠き部、ＰＬ……先行リフト量。 FIG. 1 is a longitudinal sectional view of a main part of a delivery valve 21 portion of a fuel injection pump 20 according to an embodiment of the present invention;
FIG. 2 is an enlarged sectional view taken along the - line in FIG. 1, FIG.
A cross-sectional view is shown. DESCRIPTION OF SYMBOLS 1... Fuel injection pump, 2... Delivery valve holder, 3... Delivery valve chamber, 4... Fuel outlet, 5... Injection tube, 6... Injection nozzle, 7... Fuel injection pump body, 8... Plunger barrel, 9
... Plunger, 10 ... Fuel pressure chamber, 11 ... Delivery valve seat, 12 ... Delivery valve,
13...Delivery valve seat part, 14...Delivery valve collar part, 15...Blade part, 16...
Fuel outlet passageway, 17...Angleichikattu,
18...Delivery valve set spring, 19
...Seat surface, 20...Fuel injection pump, 21...
...Delivery valve, 21L...Left side delivery valve body, 21R...Right side delivery valve body, 2
2...Central dividing surface, 23...Flat washers, 24...
...Notch, PL...Preliminary lift amount.

Claims

[Scope of Claim for Utility Model Registration] A delivery valve seat, a delivery valve seated on the delivery valve seat, and a delivery valve spring that biases the delivery valve against the delivery valve seat, the delivery valve being attached to the delivery valve. A delivery valve mechanism for a fuel injection pump having a collar part and an angle cut formed in the delivery valve collar part, wherein the delivery valve is divided into two parts along a dividing plane in the fuel discharge direction, so that the delivery valve can be separated into left and right parts. A pair of delivery valve bodies are configured, and the angle cut is positioned on the delivery valve collar of one of the delivery valve bodies, and the delivery valve body is positioned at a position facing the contact portion with the delivery valve spring. , a delivery valve mechanism for a fuel injection pump, characterized by forming a notch for advance lift.