JPH046506U

JPH046506U -

Info

Publication number: JPH046506U
Application number: JP4405690U
Authority: JP
Priority date: 1990-04-26
Filing date: 1990-04-26
Publication date: 1992-01-21

Description

[Brief explanation of the drawing]

第１〜４図は本考案の第一実施例を示しており
、第１図は第１３図と同様の断面図、第２図は第
１図の側方から見た図、第３図はスリーブの断面
図、第４図は同じく端面図、第５〜８図は本考案
の第二実施例を示しており、第５図は第１３図と
同様の断面図、第６図は第５図の側方から見た図
、第７図は軸の部分断面図、第８図は同じく端面
図、第９〜１０図は本考案の第三実施例を示して
おり、第９図は第１３図と同様の断面図、第１０
図は第９図の側方から見た図、第１１図はエンジ
ンの動弁機構の１例を示す斜視図、第１２図は第
１１図に示した動弁機構に組み込んだカムフオロ
ア装置の部分縦断側面図、第１３図は第１２図の
Ａ−Ａ断面図である。１……クランクシヤフト、２……カムシヤフト
、３……ロツカーアーム、４……吸気弁、５……
排気弁、６……カム、７……支持壁部、８……軸
、９……ころ、１０……ローラ、１１……通孔、
１２……スリーブ、１３……突起、１４……円筒
状部。 Figures 1 to 4 show the first embodiment of the present invention, where Figure 1 is a sectional view similar to Figure 13, Figure 2 is a side view of Figure 1, and Figure 3 is a cross-sectional view similar to Figure 13. A sectional view of the sleeve, FIG. 4 is an end view, FIGS. 5 to 8 show a second embodiment of the present invention, FIG. 5 is a sectional view similar to FIG. 13, and FIG. 7 is a partial sectional view of the shaft, FIG. 8 is an end view, and FIGS. 9 and 10 show a third embodiment of the present invention. Sectional view similar to Figure 13, No. 10
The figure is a side view of Figure 9, Figure 11 is a perspective view showing an example of an engine valve mechanism, and Figure 12 is a portion of the cam follower device incorporated in the valve mechanism shown in Figure 11. The vertical side view, FIG. 13, is a sectional view taken along the line AA in FIG. 12. 1...Crankshaft, 2...Camshaft, 3...Rotzker arm, 4...Intake valve, 5...
Exhaust valve, 6... cam, 7... support wall, 8... shaft, 9... roller, 10... roller, 11... through hole,
12...Sleeve, 13...Protrusion, 14...Cylindrical part.

Claims

[Scope of utility model registration request]

A cam fixed to a camshaft that rotates in synchronization with the engine's crankshaft, a synthetic resin Rotsuker arm that is provided opposite to the cam and receives the movement of the cam, and a rotary arm that is spaced apart from each other. a pair of support wall portions, and a pair of sleeves made of metal and having a circular tube shape and having protrusions formed on the outer circumferential surface and inserted into the pair of support wall portions so as to be concentric with each other during molding of the rocker arm; For use in an engine valve mechanism, which consists of a shaft that is fixed across the pair of sleeves, and a short cylindrical roller that is rotatably supported around this shaft via a plurality of rollers. Cam follower device.