JPS59170604U

JPS59170604U - Internal combustion engine valve train

Info

Publication number: JPS59170604U
Application number: JP6579583U
Authority: JP
Inventors: 堀内　重昭
Original assignee: いすゞ自動車株式会社
Priority date: 1983-04-30
Filing date: 1983-04-30
Publication date: 1984-11-15

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図はカムシャフト側にバルブギャップ自動調節機構
を有する従来の動弁装置の要部斜視図、第２図はバルブ
側にバルブギャップ自動調節機構を有する従来の動弁装
置の要部斜視図、第３図は本案装置の要部正面図、第４
図は第３図におけるバルブギャップ自動調節機構の断面
説明図、第５図は本案装置におけるロッカアーム分割体
の斜視図、第６図は本案の他の実施例の要部正面図、第
７図は第６図におけるバルブギャップ自動調節機構の断
面説明図、第８図は同・チェツキバルブ内蔵油圧機構部
の斜視図、第９図は本案の他の実施例の一部変形例を示
す断面説明図である。１．１０・・・従来のロッカアーム、６・・・ロッカシ
ャフト、８・・・カムシャフト、９・・・カム部、１５
・・・ロッカアーム、１５Ａ・・・ロッカアーム左分割
体、１５Ｂ・・・ロッカアーム右分割体、１６・・・弁
杆取着　部、１７．２０・・・ロッカシャフト挿嵌孔、
１８゜２１・・・張出部、１９．２２・・・嵌装孔、２
３・・・押当で部、２４−・・受駒、２４ａ−・・端面
、２５．２５Ａ・・・チェツキバルブ内蔵油圧機構、２
６．２６Ａ・・・押駒、２６ａ・・・端面、２７・・・
取着部材、２８・・・通孔、２９・・・ばね、３０・・
・押金具、３１・・・ボールドルブ、３２・・・油路、
３３・・・空隙、３４・・・切欠、３５・・・バルブギ
ャップ自動調節機構。第　３　目／／−へ−” （、ノー“ 第４図ＩＱ　　／１１　２／　　−３１２２＼（）ｔｉｚ４　’２４ａ　２６ａ　：２１７２６２Ｂ　２５−３
３”Ｉ　　　Ｓ　　／１１１７（２０）　　　−’−２３Fig. 1 is a perspective view of a main part of a conventional valve train having an automatic valve gap adjustment mechanism on the camshaft side, and Fig. 2 is a perspective view of main parts of a conventional valve train having an automatic valve gap adjustment mechanism on the valve side. , Figure 3 is a front view of the main parts of the proposed device, and Figure 4 is a front view of the main parts of the proposed device.
The figures are a sectional explanatory view of the valve gap automatic adjustment mechanism in Fig. 3, Fig. 5 is a perspective view of the rocker arm divided body in the device of the present invention, Fig. 6 is a front view of main parts of another embodiment of the present invention, and Fig. 7 is a FIG. 6 is an explanatory cross-sectional view of the automatic valve gap adjustment mechanism, FIG. 8 is a perspective view of the hydraulic mechanism with built-in check valve, and FIG. 9 is an explanatory cross-sectional view showing a partial modification of another embodiment of the present invention. be. 1.10... Conventional rocker arm, 6... Rocker shaft, 8... Camshaft, 9... Cam portion, 15
...Rocker arm, 15A...Rocker arm left divided body, 15B...Rocker arm right divided body, 16...Valve rod attachment part, 17.20...Rocker shaft insertion hole,
18゜21... Overhanging part, 19.22... Fitting hole, 2
3... Pushing part, 24-... Receiving piece, 24a-... End face, 25.25A... Hydraulic mechanism with built-in check valve, 2
6.26A...pressing piece, 26a...end face, 27...
Attachment member, 28... Through hole, 29... Spring, 30...
・Pushing metal fitting, 31... ball drub, 32... oil path,
33...Gap, 34...Notch, 35...Valve gap automatic adjustment mechanism. 3rd eye//-to-" (, no" Fig. 4 IQ /11 2/ -3122 \()tiz4 '24a 26a :217262B 25-3
3"I S /11 17 (20) -'-23

Claims

[Scope of utility model registration request]

A rocker arm left divided body and a rocker arm right divided body are provided, each having a rocker arm left divided body and a rocker arm right divided body each having a fitting hole formed in an upper protruding portion of the rocker shaft insertion hole, which is opposed to each other.
A hydraulic mechanism with a built-in receiving piece or check valve with a receiving piece is installed in one of the fitting holes of the rocker arm right split body, a hydraulic mechanism with a built-in check valve with a push piece is installed in the other fitting hole, and the rocker arm left split body and the rocker arm right side are installed in the rocker shaft. A valve train for an internal combustion engine in which a split body is integrally attached and an automatic valve gap adjustment mechanism is disposed directly above a rocker shaft.