JPS5830702U - Internal combustion engine intake and exhaust valve drive device - Google Patents

Internal combustion engine intake and exhaust valve drive device

Info

Publication number
JPS5830702U
JPS5830702U JP12540981U JP12540981U JPS5830702U JP S5830702 U JPS5830702 U JP S5830702U JP 12540981 U JP12540981 U JP 12540981U JP 12540981 U JP12540981 U JP 12540981U JP S5830702 U JPS5830702 U JP S5830702U
Authority
JP
Japan
Prior art keywords
lever
valve drive
contact
internal combustion
drive device
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
JP12540981U
Other languages
Japanese (ja)
Other versions
JPS6132090Y2 (en
Inventor
誠之助 原
南雲　慎一
隆治 後藤
Original Assignee
日産自動車株式会社
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 by 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP12540981U priority Critical patent/JPS5830702U/en
Publication of JPS5830702U publication Critical patent/JPS5830702U/en
Application granted granted Critical
Publication of JPS6132090Y2 publication Critical patent/JPS6132090Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

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

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

第１図は従来の吸排気弁駆動装置の断面図、第２図はこ
の考案に係る吸排気弁駆動装置の断面図、第３図は同平
面図、第４図はレバーの軸受部に加わる力とバルブリフ
トとの関係を示す特性図である。 １・・・バルブ駆動カム、２・・・吸排気弁、３・・唄
ツカアーム、５・・・レバー、６・・・制御カム、１１
・・・レバーシャフト、１２・・・軸受！、１３・・・
偏心カラー、１４・・・捩りコイルばね。 第１図Fig. 1 is a sectional view of a conventional intake/exhaust valve drive device, Fig. 2 is a sectional view of the intake/exhaust valve drive device according to this invention, Fig. 3 is a plan view of the same, and Fig. 4 is a sectional view of a lever bearing part. FIG. 3 is a characteristic diagram showing the relationship between force and valve lift. DESCRIPTION OF SYMBOLS 1...Valve drive cam, 2...Intake and exhaust valve, 3...Utatsuka arm, 5...Lever, 6...Control cam, 11
...Lever shaft, 12...Bearing! , 13...
Eccentric collar, 14...Torsion coil spring. Figure 1

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関回転に同期して回転するバルブ駆動カムと、一端が
上記バルブ駆動カムに当接し、かつ他端がバルブステム
に連係するロッカアームと、上記ロッカアームの背面に
略沿って配設され、上記背面が支点接触するとともに、
バルブステム側の一端で回動可能に支持されたレバーと
、このレバーとロッカアームとの接触支点の移動範囲内
において上記レバーの背面に当接し、該レバーの傾斜を
規制する制−カムと、上記レバーの支持軸と軸受部との
間に介装され、その回動によりレバー回動中心を支持軸
中心に対し上下に移動せしめる円筒状の偏心カラーと、
上記偏心カラーを一方に回動付勢するばね部材とを備え
てなる内燃機関の吸排気弁駆動装置。a valve drive cam that rotates in synchronization with engine rotation; a rocker arm that has one end in contact with the valve drive cam and the other end that is linked to the valve stem; Along with the fulcrum contact,
a lever rotatably supported at one end on the valve stem side; a control cam that comes into contact with the back surface of the lever within a movement range of a contact fulcrum between the lever and the rocker arm and restricts the inclination of the lever; a cylindrical eccentric collar that is interposed between the lever support shaft and the bearing portion, and whose rotation causes the lever rotation center to move up and down with respect to the support shaft center;
An intake/exhaust valve drive device for an internal combustion engine, comprising a spring member that biases the eccentric collar to rotate in one direction.
JP12540981U 1981-08-25 1981-08-25 Internal combustion engine intake and exhaust valve drive device Granted JPS5830702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12540981U JPS5830702U (en) 1981-08-25 1981-08-25 Internal combustion engine intake and exhaust valve drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12540981U JPS5830702U (en) 1981-08-25 1981-08-25 Internal combustion engine intake and exhaust valve drive device

Publications (2)

Publication Number Publication Date
JPS5830702U true JPS5830702U (en) 1983-02-28
JPS6132090Y2 JPS6132090Y2 (en) 1986-09-18

Family

ID=29919248

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12540981U Granted JPS5830702U (en) 1981-08-25 1981-08-25 Internal combustion engine intake and exhaust valve drive device

Country Status (1)

Country Link
JP (1) JPS5830702U (en)

Also Published As

Publication number Publication date
JPS6132090Y2 (en) 1986-09-18

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