JPH0274509U

JPH0274509U -

Info

Publication number: JPH0274509U
Application number: JP15412988U
Authority: JP
Priority date: 1988-11-25
Filing date: 1988-11-25
Publication date: 1990-06-07

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示し、第１図は第５
図の―断面図、第２図は第１図の別の状態に
おける断面図、第３図は第５図の―断面図、
第４図は第３図の別の状態における断面図、第５
図はカムシヤフトの一部断面側面図、第６図は第
２図の―断面図、第７図は第２図の要部断面
図である。２……カムシヤフト、２ｂ……カム、２ｆ……
カムベース、３ｂ……バルブ開閉手段（排気タペ
ツト）、５……逆転防止用レリーズレバー、５ａ
……軸部、５ｂ……レリーズカム、５ｃ……カム
ローブ、５ｅ……ピン、７……慣性板。 The drawings show one embodiment of the present invention, and FIG.
Figure 2 is a sectional view of Figure 1 in another state, Figure 3 is a sectional view of Figure 5,
Figure 4 is a sectional view of Figure 3 in another state;
The figure is a partially sectional side view of the camshaft, FIG. 6 is a cross-sectional view taken from FIG. 2, and FIG. 7 is a sectional view of a main part of FIG. 2. 2...Camshaft, 2b...Cam, 2f...
Cam base, 3b... Valve opening/closing means (exhaust tappet), 5... Release lever for preventing reverse rotation, 5a
...Shaft portion, 5b...Release cam, 5c...Cam lobe, 5e...Pin, 7...Inertia plate.

Claims

[Scope of utility model registration request]

In an engine in which a valve opening/closing means is in sliding contact with a cam provided on a camshaft, and this valve opening/closing means is connected to the valve, an inertia plate that is relatively rotatable is supported by a cam driven gear that is integrated with the camshaft. A pin of a release lever for preventing reverse rotation, which is swingably supported by the shaft of the cam driven gear, is connected to the inertia plate, and a release cam provided on the shaft of the release lever for preventing reverse rotation is connected to the camshaft. A reverse rotation prevention device for an engine, characterized in that the release cam is provided with a cam lobe that is located close to the base circle of the provided cam and further projects from the base circle in conjunction with the relative rotation of the inertia plate.