JPH02110206U - - Google Patents

Info

Publication number
JPH02110206U
JPH02110206U JP1873189U JP1873189U JPH02110206U JP H02110206 U JPH02110206 U JP H02110206U JP 1873189 U JP1873189 U JP 1873189U JP 1873189 U JP1873189 U JP 1873189U JP H02110206 U JPH02110206 U JP H02110206U
Authority
JP
Japan
Prior art keywords
cam
camshaft
hole
head bolt
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1873189U
Other languages
Japanese (ja)
Other versions
JP2511855Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989018731U priority Critical patent/JP2511855Y2/en
Publication of JPH02110206U publication Critical patent/JPH02110206U/ja
Application granted granted Critical
Publication of JP2511855Y2 publication Critical patent/JP2511855Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例を示すシリンダヘ
ツドの平面図、第２図は第１図のＡ−Ａ線に沿う
断面図、第３図は本考案の第２実施例を示しカム
ジヤーナルの幅とヘツドボルト通し穴の穴径との
関係を示す図、第４図は本考案の第３実施例を示
しカムジヤーナルの幅とヘツドボルト通し穴の穴
径との関係を示す図、第５図は従来例を示すシリ
ンダヘツドの平面図、第６図は第５図の−線
に沿う断面図、第７図は従来例の問題点を示す説
明図である。 １……シリンダヘツド、２……ヘツドボルト、
４……吸気側カムシヤフト、５……排気側カムシ
ヤフト、５ａ〜５ｅ……排気側カムシヤフト カ
ムジヤーナル、１６ａ〜１６ｅ……吸気側軸受部
、１７ａ〜１７ｅ……排気側軸受部、２０……ヘ
ツドボルト通し穴。 1 is a plan view of a cylinder head showing a first embodiment of the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. 3 is a cam showing a second embodiment of the present invention. FIG. 4 is a diagram showing the relationship between the width of the cam journal and the diameter of the head bolt through hole; FIG. 4 is a diagram showing the third embodiment of the present invention; FIG. 6 is a plan view of a cylinder head showing a conventional example, FIG. 6 is a sectional view taken along the line -- in FIG. 5, and FIG. 7 is an explanatory diagram showing problems in the conventional example. 1...Cylinder head, 2...Head bolt,
4...Intake side camshaft, 5...Exhaust side camshaft, 5a to 5e...Exhaust side camshaft cam journal, 16a to 16e...Intake side bearing part, 17a to 17e...Exhaust side bearing part, 20...Head bolt passage hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２分割カム軸受と、カムシヤフトの下方にバル
ブを開閉するカムフオロアを配置したシリンダヘ
ツドにおいて、シリンダヘツドと一体に成形され
た軸受半部にヘツドボルト通し穴を設けるととも
に、カムシヤフトのカムジヤーナルを気筒間に設
けた軸受部ではカムジヤーナルの幅がヘツドボル
ト通し穴の穴径範囲内にあり、カムシヤフトの前
端および後端ではカムジヤーナルがヘツドボルト
通し穴の穴径範囲外へ掛かるように形成したこと
を特徴とする内燃機関の動弁装置。 In a cylinder head that has a two-part cam bearing and a cam follower that opens and closes the valve below the camshaft, a head bolt through hole is provided in the bearing half that is integrally molded with the cylinder head, and the cam journal of the camshaft is provided between the cylinders. In the internal combustion engine, the width of the cam journal is within the diameter range of the head bolt through hole in the bearing part, and the cam journal at the front and rear ends of the camshaft is formed so as to extend outside the diameter range of the head bolt through hole. Engine valve gear.
JP1989018731U 1989-02-20 1989-02-20 Valve train for internal combustion engine Expired - Lifetime JP2511855Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989018731U JP2511855Y2 (en) 1989-02-20 1989-02-20 Valve train for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989018731U JP2511855Y2 (en) 1989-02-20 1989-02-20 Valve train for internal combustion engine

Publications (2)

Publication Number Publication Date
JPH02110206U true JPH02110206U (en) 1990-09-04
JP2511855Y2 JP2511855Y2 (en) 1996-09-25

Family

ID=31233633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989018731U Expired - Lifetime JP2511855Y2 (en) 1989-02-20 1989-02-20 Valve train for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2511855Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013108477A (en) * 2011-11-24 2013-06-06 Honda Motor Co Ltd Positioning structure of camshaft

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163141A (en) * 1981-03-31 1982-10-07 Yamaha Motor Co Ltd Cylinder head clamping structure in internal- combustion engine
JPS63140104U (en) * 1987-03-06 1988-09-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163141A (en) * 1981-03-31 1982-10-07 Yamaha Motor Co Ltd Cylinder head clamping structure in internal- combustion engine
JPS63140104U (en) * 1987-03-06 1988-09-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013108477A (en) * 2011-11-24 2013-06-06 Honda Motor Co Ltd Positioning structure of camshaft

Also Published As

Publication number Publication date
JP2511855Y2 (en) 1996-09-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term