JPS62154210U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に一実施例に係るバルブ装置を
示す分解斜視図、第２図は第１図のものの組付完
了後の構造を示す断面図、第３図は第１図のバル
ブ装置をシリンダヘツドに装着した状態を示す断
面図、第４図は本考案の他の実施例に係るバルブ
装置を示す分解斜視図、第５図は第４図のものの
組付完了後の構造を示す断面図、第６図は第４図
のバルブ装置をシリンダヘツドに装着した状態を
示す全体正面図、第７図は第６図の方向矢視拡
大図、第８図は第６図の吸・排気バルブの位置関
係を示す図、第９図は従来の４バルブエンジンの
バルブ傘部を示す要部正面図、第１０図は本考案
に係るバルブ傘部を示す要部正面図、第１１図は
第９図および第１０図のバルブの位置関係を対比
して示す配置説明図である。 １……シリンダヘツド、２……燃焼室、５……
バルブ傘部、６……バルブステム部、１０……バ
ルブリフタ、１３……バルブスプリング、１４…
…カム、１５……バルブ。 Fig. 1 is an exploded perspective view showing a valve device according to an embodiment of the present invention, Fig. 2 is a sectional view showing the structure of the valve device in Fig. 1 after assembly is completed, and Fig. 3 is a valve device shown in Fig. 1. Fig. 4 is an exploded perspective view showing a valve device according to another embodiment of the present invention, and Fig. 5 shows the structure of the valve device shown in Fig. 4 after assembly is completed. 6 is an overall front view showing the state in which the valve device shown in FIG. 4 is attached to the cylinder head, FIG. 7 is an enlarged view of the valve device shown in FIG. A diagram showing the positional relationship of exhaust valves, FIG. 9 is a front view of the main part showing the valve head part of a conventional 4-valve engine, FIG. 10 is a front view of the main part showing the valve head part according to the present invention, and FIG. 11 FIG. 10 is an explanatory layout diagram showing a comparison of the positional relationship of the valves in FIGS. 9 and 10. FIG. 1... Cylinder head, 2... Combustion chamber, 5...
Valve head portion, 6... Valve stem portion, 10... Valve lifter, 13... Valve spring, 14...
...Cam, 15...Valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸気用バルブまたは排気用バルブの少なくとも
一方を一つの燃焼室に対し三個有する内燃機関に
おいて、シリンダヘツドにバルブリフタを摺動自
在に設け、該バルブリフタの中心位置に一個のバ
ルブのステム部上端を固定するとともに、該バル
ブにバルブスプリングを外装し、前記バルブリフ
タの外周位置に二個のバルブのステム部上端をそ
れぞれ固定したことを特徴とする内燃機関用バル
ブ装置。 In an internal combustion engine having at least three intake valves or three exhaust valves per combustion chamber, a valve lifter is slidably provided on the cylinder head, and the upper end of the stem portion of one valve is fixed at the center position of the valve lifter. A valve device for an internal combustion engine, characterized in that the valve is equipped with a valve spring, and the upper ends of the stem portions of the two valves are respectively fixed to the outer peripheral position of the valve lifter.