JPS60185007U

JPS60185007U - engine camshaft

Info

Publication number: JPS60185007U
Application number: JP7208384U
Authority: JP
Inventors: 神谷　幸根
Original assignee: トヨタ自動車株式会社
Priority date: 1984-05-17
Filing date: 1984-05-17
Publication date: 1985-12-07

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、エンジンの一部透視図、第２図は、従来のエ
ンジンのカムシャフトの縦断面図、第３図は、本考案の
第１の実施例に係るエンジンのカムシャフトの縦断面図
、第４図は、本考案の第２の実施例に係るエンジンのカ
ムシャフトの縦断面図である。１・・・エンジンのカムシャフト、２・・・カム、３・
・・ジャーナル、４・・・シャフト、５・・・貫通孔、
空洞、７・・・オイル供給孔、８・・・オイル排出孔、
９，１６・・・（カムシャフトが回転したときカムシャ
フトに対して空洞のなかを自由に移動可能な物体）、９
・・・鋼球、１６・・・コロ。FIG. 1 is a partial perspective view of an engine, FIG. 2 is a vertical cross-sectional view of a camshaft of a conventional engine, and FIG. 3 is a vertical cross-section of a camshaft of an engine according to a first embodiment of the present invention. FIG. 4 is a longitudinal sectional view of a camshaft of an engine according to a second embodiment of the present invention. 1... Engine camshaft, 2... Cam, 3...
...Journal, 4...Shaft, 5...Through hole,
Cavity, 7... Oil supply hole, 8... Oil discharge hole,
9, 16... (object that can move freely in the cavity relative to the camshaft when the camshaft rotates), 9
...Steel ball, 16...Koro.

Claims

[Scope of utility model registration request]

A camshaft in which a cam and a journal are provided on the shaft, the camshaft is provided with a longitudinally extending cavity, the cavity forms a closed space, and the camshaft is provided with a cavity extending in the longitudinal direction. is provided with an oil supply hole that communicates with the cavity and an oil discharge hole that also communicates with the cavity, and in the cavity, when the camshaft rotates, the cavity of the cavity is connected to the camshaft. An engine camshaft characterized by enclosing a freely movable object inside.