JPS59139577U

JPS59139577U - Externally opening fuel injection valve

Info

Publication number: JPS59139577U
Application number: JP3238983U
Authority: JP
Inventors: 今城　実
Original assignee: 日産自動車株式会社
Priority date: 1983-03-07
Filing date: 1983-03-07
Publication date: 1984-09-18

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図は従来の外開式燃料噴射弁の一例を示す断面図、
第２図はこの考案に係る外開式燃料噴射弁の一実施例を
示す断面図、第３図はその要部の拡大断面図である。１１・・・噴射弁ホルダ、１３・・・ボディ部、１４・
・・ニードル、１５・・・貫通孔、１６・・・ストッパ
、１８・・・コイルスプリング、２１・・・弁頭部、２
２・・・着座面、２３・・・円錐面、２６・・・シート
面、２７・・・円錐面。FIG. 1 is a sectional view showing an example of a conventional outward-opening fuel injection valve.
FIG. 2 is a sectional view showing an embodiment of an externally opening type fuel injection valve according to this invention, and FIG. 3 is an enlarged sectional view of the main parts thereof. 11... Injection valve holder, 13... Body part, 14...
...Needle, 15...Through hole, 16...Stopper, 18...Coil spring, 21...Valve head, 2
2... Seating surface, 23... Conical surface, 26... Seat surface, 27... Conical surface.

Claims

[Scope of utility model registration request]

A body part having a through hole in which a seat part is formed in the tip mouth part, an injection valve holder that holds this body part, which is slidably inserted into the through hole of the body part and is moved in the backward direction by a spring. a needle that is biased by the injection valve and is slidable in a projecting direction by the fuel pressure in the injection valve holder; a seating surface that is rotatably attached to the tip of the needle and that can be seated on the seat; and a fuel injection valve. A valve head has a conical surface regulating the angle, and the conical surface is surrounded by the tip of the body part with a small gap when seated, and the valve head is provided on the outer periphery of the valve head, and the valve head is provided on the outer periphery of the valve head, An externally opening type fuel injection valve comprising a vane portion formed to generate rotational force on the valve head.