JPS59196503U

JPS59196503U - Valve spring seat

Info

Publication number: JPS59196503U
Application number: JP8982183U
Authority: JP
Inventors: 田中　政通
Original assignee: いすゞ自動車株式会社
Priority date: 1983-06-14
Filing date: 1983-06-14
Publication date: 1984-12-27

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、従来の内燃機関の吸排気バルブを示す概略断
面図、第２図から第５図までは本考案に係るスプリング
シートの第１の実施例を示すものであって、第２図は正
面図、第３図は側面図、第４図はスプリングシートのば
ね受は面とバルブスプリングとの関係を示す図、第５図
はバルブステムにスプリングシートが取り付けられた状
態を示す側弁断面図、第６図から第１０図までは本考案
の第２の実施例を示すものであって第６°図はスプリン
グシートの正面図、第７図は第６図のＡ−Ａ線矢視断面
図、第８図は第６図のＢ−Ｂ線矢視断面図、第９図は第
６図のＣ−Ｃ線矢視断面図、第１０図はバルブステムに
スプリングシートが取り付けられた状態を示す側断面図
、第１１図、第　“１２図は本考案のスプリングシート
の第３の実施例を示すものであって、−第１１図は正面
図、第１２図は側断面図である。図中、１０はスプリングシート、１０ｂは内周面部、１
０Ｃは切欠部、１１はバルブスプリング、１２はバルブ
ステム、１３は係合溝、１４は突出部、１５はガイド部
、１６は突起、１７．１８はストッパ一部である。FIG. 1 is a schematic sectional view showing an intake and exhaust valve of a conventional internal combustion engine, and FIGS. 2 to 5 show a first embodiment of a spring seat according to the present invention, and FIG. Figure 3 is a front view, Figure 3 is a side view, Figure 4 is a diagram showing the relationship between the surface of the spring seat and the valve spring, and Figure 5 is a side valve showing the state in which the spring seat is attached to the valve stem. The cross-sectional views from FIG. 6 to FIG. 10 show the second embodiment of the present invention, and FIG. 6 is a front view of the spring seat, and FIG. 8 is a sectional view taken along the line B-B in FIG. 6, FIG. 9 is a sectional view taken along the line C-C in FIG. 6, and FIG. 10 shows a spring seat attached to the valve stem. 11 and 12 show a third embodiment of the spring seat of the present invention, in which FIG. 11 is a front view and FIG. 12 is a side sectional view. In the figure, 10 is a spring seat, 10b is an inner peripheral surface portion, 1
0C is a notch, 11 is a valve spring, 12 is a valve stem, 13 is an engagement groove, 14 is a projection, 15 is a guide, 16 is a projection, and 17 and 18 are parts of a stopper.

Claims

[Scope of utility model registration request]

In a spring seat attached to a valve stem and supporting one end of a valve spring, a protrusion that is engaged with an engagement groove of the valve stem is formed on an inner circumferential surface portion of the spring seat that surrounds the valve stem;
A spring seat for a valve, characterized in that a notch is formed in the inner peripheral surface of the spring seat so that the spring seat can move while allowing the valve stem to pass therethrough.