JPS62130105U

JPS62130105U -

Info

Publication number: JPS62130105U
Application number: JP1746086U
Authority: JP
Priority date: 1986-02-12
Filing date: 1986-02-12
Publication date: 1987-08-17

Description

[Brief explanation of the drawing]

第１図は本考案に係かる動弁装置の一実施例を
示す図で、Ａは正面図、Ｂは平面図、ＣはＢ中Ａ
―Ａ断面図、第２図は同上実施例におけるコロ軸
の構造を示す斜視図、第３図は同上実施例の作用
を説明する側面図、第４図は他の実施例を示す図
で、Ａは平面図、ＢはＡ中Ｂ―Ｂ断面図、第５図
は従来の動弁装置の一例を示す正面図である。１２ａ，１２ｂ……第１及び第２吸気弁、１４
……カムシヤフト、１５……カム、１７……油圧
リフタ、１８……スイングアーム、１９……球面
座、２０……凹溝、２０ａ，２２ａ……円弧面、
２１……コロ、２２……コロ軸。 FIG. 1 is a diagram showing an embodiment of the valve train according to the present invention, where A is a front view, B is a plan view, and C is A in B.
-A sectional view, FIG. 2 is a perspective view showing the structure of the roller shaft in the embodiment same as above, FIG. 3 is a side view explaining the operation of the embodiment same as above, and FIG. 4 is a diagram showing another embodiment. A is a plan view, B is a sectional view taken along line BB in A, and FIG. 5 is a front view showing an example of a conventional valve train. 12a, 12b...first and second intake valves, 14
... Camshaft, 15 ... Cam, 17 ... Hydraulic lifter, 18 ... Swing arm, 19 ... Spherical seat, 20 ... Concave groove, 20a, 22a ... Arc surface,
21...Koro, 22...Koro axis.

Claims

[Scope of utility model registration request]

At least one of the intake and exhaust valves per cylinder
In an internal combustion engine having two internal combustion engines, a swing arm that follows a cam of a camshaft to drive the same type of valve is connected to two swing arms from a single swing fulcrum formed at one end.
The structure has a pair of arms that extend toward the end of the valve shaft of two similar valves and come into contact with the end of the valve shaft. On the other hand, the sliding contact portion of the swing arm to the cam is constituted by a roller rotatably supported by a support shaft whose both ends are supported in a groove provided in the swing arm, and the support shaft The contact surface between the lower end surface of each of both ends and the groove,
1. A valve train for an internal combustion engine, characterized in that the support shafts are formed on arcuate surfaces of a common circle, and both ends of the support shaft are slidably supported in an arcuate shape in a groove.