JPH0363703U

JPH0363703U -

Info

Publication number: JPH0363703U
Application number: JP12405689U
Authority: JP
Priority date: 1989-10-25
Filing date: 1989-10-25
Publication date: 1991-06-21

Description

[Brief explanation of drawings]

第１〜６図は本考案の第一〜六実施例を示す、
それぞれ軸の断面図、第７図は第６図の左方から
見た図、第８図は本考案の対象となるエンジンの
動弁機構用カムフオロア装置の１例を示す、部分
縦断側面図、第９図は従来のカムフオロア装置の
１例を示す、第８図のＡ−Ａ断面に相当する図、
第１０図は中空の軸の変形状態を誇張して示す断
面図である。１……カムシヤフト、２……ロツカーアーム、
３……弁、４……カム、５……支持壁部、６……
軸、６ａ……内周面、６ｂ……外周面、７……こ
ろ、８……回転部材、９，１０，１１，１２……
補強壁。 1 to 6 show the first to sixth embodiments of the present invention,
FIG. 7 is a sectional view of the shaft, FIG. 7 is a view seen from the left side of FIG. 6, and FIG. 8 is a partial longitudinal sectional side view showing an example of a cam follower device for an engine valve mechanism, which is the subject of the present invention. FIG. 9 is a diagram corresponding to the AA cross section in FIG. 8, showing an example of a conventional cam follower device,
FIG. 10 is a cross-sectional view showing an exaggerated state of deformation of the hollow shaft. 1...Camshaft, 2...Rotzker arm,
3... Valve, 4... Cam, 5... Support wall, 6...
Shaft, 6a...inner circumferential surface, 6b...outer circumferential surface, 7...roller, 8...rotating member, 9, 10, 11, 12...
reinforced wall.

Claims

[Claims for Utility Model Registration] (1) A hollow shaft parallel to the camshaft, which is provided in a part of a member facing a cam fixed to a camshaft that rotates in synchronization with the engine crankshaft, and this shaft. A cam follower device for an engine valve mechanism, which consists of a short cylindrical rotating member provided concentrically with the shaft, and a plurality of rollers provided between the inner circumferential surface of the rotating member and the outer circumferential surface of the shaft. There,
A cam follower device for an engine valve mechanism, characterized in that a reinforcing wall is formed at the middle part of the inner peripheral surface of the shaft. (2) The cam follower device for an engine valve mechanism according to claim 1, wherein the reinforcing wall is formed integrally with the shaft. (3) The cam follower device for an engine valve mechanism according to claim 1, wherein the reinforcing wall is formed of a separate member that is fitted and fixed inside the shaft. (4) A hollow shaft parallel to the camshaft, provided in a part of the member facing the cam fixed to the camshaft rotating in synchronization with the engine crankshaft, and a short cylinder provided concentrically with this shaft. In a cam follower device for an engine valve mechanism, the cam follower device includes a rotating member having a shape, and a plurality of rollers provided between the inner circumferential surface of the rotating member and the outer circumferential surface of the shaft,
A cam follower device for a valve train of an engine, characterized in that the outer peripheral surface of the shaft is a cylindrical surface, and the wall thickness of the shaft is thick at the middle portion and gradually becomes thinner toward the openings at both ends. (5) A hollow shaft parallel to the camshaft, provided in a part of the member facing the cam fixed to the camshaft that rotates in synchronization with the engine crankshaft, and a short cylinder provided concentrically with this shaft. In a cam follower device for an engine valve mechanism, the cam follower device includes a rotating member having a shape, and a plurality of rollers provided between the inner circumferential surface of the rotating member and the outer circumferential surface of the shaft,
By making the center of the inner peripheral surface and the center of the outer peripheral surface of the shaft eccentric, the thickness of the shaft is thicker on the side facing the camshaft and gradually becomes thinner toward the side opposite the camshaft. A cam follower device for an engine valve mechanism characterized by: