JPS589904U

JPS589904U - Valve mechanism of internal combustion engine

Info

Publication number: JPS589904U
Application number: JP10348981U
Authority: JP
Inventors: 英祐菅原
Original assignee: 日本ピストンリング株式会社
Priority date: 1981-07-13
Filing date: 1981-07-13
Publication date: 1983-01-22
Also published as: JPS6131130Y2

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 drawings]

第１図は本考案の動弁機構を示す部分断面正面図、第２
図は本考案の側面図、第３図は第２図のＡ−Ａ部分断面
図、第４図は第２図のＢ−Ｂ部分断面図、第５図は本考
案の動弁機構の他の実施例を示す部分断面正面図を示す
。付号の説明、Ｒ・・・・・・ロッカアーム、２・・・・
・田ツカシャフト、３・・・・・・第１ブツシユ、４・
・・・・・第２ブツシユ、５・・・・・・伝達部材、６
・・・・・・リンク、７・・・・・・ブツシュロッド、
８・・・・・・バルブ、９・・・・・・同一支点、１０
・・・・・・エアシリンダ、１１・・・・・・コイルバ
ネ。Fig. 1 is a partially sectional front view showing the valve mechanism of the present invention;
The figure is a side view of the present invention, FIG. 3 is a partial sectional view taken along the line AA in FIG. 2, FIG. 4 is a partial sectional view taken along BB in FIG. 2, and FIG. FIG. 2 is a partially sectional front view showing an embodiment of the invention. Explanation of numbers, R... Rocker arm, 2...
・Tatsuka shaft, 3...1st button, 4・
...Second bushing, 5...Transmission member, 6
・・・・・・Link, 7・・・Butschrod,
8... Valve, 9... Same fulcrum, 10
...Air cylinder, 11...Coil spring.

Claims

[Scope of utility model registration request]

(1) In a multi-cylinder internal combustion engine configured to stop operation of some cylinders during engine operation, a first cylinder is mounted on the rocker shaft eccentrically with respect to the axis of the rocker shaft.
A bush is fitted onto the first bush, a second bush is fitted onto the first bush so as to be eccentric in a direction opposite to the eccentric direction of the first bush;
A rocker arm is loosely inserted onto the bush, and the first
By rotating and controlling the bushing and the second bushing simultaneously in opposite directions at the same angle with respect to the axis of the rocker shaft, the rocker arm is moved vertically upward, and the rocker arm is separated from the valve. Features of internal combustion engine valve mechanism.

(2) A transmission member is fitted to the rocker shaft so as to be in contact with the side surface of the rocker arm, and the transmission member and the second bushing are interlocked, and a transmission member is mounted on the first bushing and the transmission member at an equal distance from the axis of the rocker shaft. Connecting pins are provided at certain locations, and links of equal length are connected to the connecting pins.The other ends of some of the links are connected at the same fulcrum, and by moving and controlling the same fulcrum, the links can be moved. Utility model registration claim No. 1, characterized in that the first bushing is opened and closed, and the first bushing and the second bushing are simultaneously rotated and controlled in opposite directions at the same angle with respect to the axis of the rocker shaft via the respective links and the transmission member. A valve mechanism for an internal combustion engine according to item 1.

(3) The transmission member and the second bushing are interlocked by attaching a pin to an arbitrary location on the side surface of the second bushing and fitting the pin into a groove or hole provided at one end of the transmission member. A valve train mechanism for an internal combustion engine according to claim 2 of the patented utility model.

(4) The same fulcrum to which the other end of the link is connected is connected to an air cylinder or a hydraulic cylinder, and the same fulcrum is moved and controlled by controlling the air cylinder or hydraulic cylinder. A valve mechanism for an internal combustion engine according to claim 2 of the utility model registration claim.

(5) The internal combustion engine according to claim 1, wherein the rocker shaft is connected to any part of the arm on the side that is in contact with the bushing rod or cam of the rocker arm by an elastic member. valve mechanism.

(6) The valve operating mechanism for an internal combustion engine according to claim 5, wherein the elastic member is a coil spring or a plate spring.