JPS584703U - Internal combustion engine intake and exhaust valve drive device - Google Patents

Internal combustion engine intake and exhaust valve drive device

Info

Publication number
JPS584703U
JPS584703U JP9812981U JP9812981U JPS584703U JP S584703 U JPS584703 U JP S584703U JP 9812981 U JP9812981 U JP 9812981U JP 9812981 U JP9812981 U JP 9812981U JP S584703 U JPS584703 U JP S584703U
Authority
JP
Japan
Prior art keywords
lever
valve drive
eccentric collar
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.)
Pending
Application number
JP9812981U
Other languages
Japanese (ja)
Inventor
誠之助 原
俊一 青山
三井所　和幸
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 JP9812981U priority Critical patent/JPS584703U/en
Publication of JPS584703U publication Critical patent/JPS584703U/en
Pending 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図はこの考案の異なる実施例を示す断面図、
第５図は同平面図である。 １・・・バルブ駆動カム、２・・・吸排気弁、３・・田
ツカアーム、５・・・レバー、６・・・制御カム、１１
・・・レバーシャフト、１２・・・軸受部、１３・・・
偏心カラー、１４・・・捩りコイルばね、１５・・・油
圧アクチュエータ。 第２図 ・　２Ｃノ 第４図Fig. 1 is a sectional view of a conventional intake/exhaust valve drive device, Fig. 2 is a sectional view of an intake/exhaust valve drive device according to this invention, Fig. 3 is a plan view of the same, and Fig. 4 is a different embodiment of this invention. A cross-sectional view showing
FIG. 5 is a plan view of the same. DESCRIPTION OF SYMBOLS 1...Valve drive cam, 2...Intake and exhaust valve, 3...Tatsuka arm, 5...Lever, 6...Control cam, 11
...Lever shaft, 12...Bearing part, 13...
Eccentric collar, 14...Torsion coil spring, 15...Hydraulic actuator. Figure 2/Figure 4 of 2C

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、上記背面に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
、上記レバーの背面に当接して該レバーの傾斜を規制す
る制御カム七、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、上記偏心カ
ラーに内蔵され、オイルポンプより圧送されるオイルに
よってバルブリフト時の偏心カラーの回動を阻止する油
圧アクチュエータ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 7 that comes into contact with the back surface of the lever to regulate the inclination of the lever, and is interposed between the support shaft of the lever and the bearing part. , a cylindrical eccentric collar whose rotation moves the lever rotation center up and down with respect to the support shaft center, a spring member which biases the eccentric collar to rotate in one direction, and an oil pump built into the eccentric collar. An intake/exhaust valve drive device for an internal combustion engine, comprising a hydraulic actuator that prevents rotation of an eccentric collar when the valve is lifted by oil pressure-fed.
JP9812981U 1981-06-30 1981-06-30 Internal combustion engine intake and exhaust valve drive device Pending JPS584703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9812981U JPS584703U (en) 1981-06-30 1981-06-30 Internal combustion engine intake and exhaust valve drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9812981U JPS584703U (en) 1981-06-30 1981-06-30 Internal combustion engine intake and exhaust valve drive device

Publications (1)

Publication Number Publication Date
JPS584703U true JPS584703U (en) 1983-01-12

Family

ID=29892897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9812981U Pending JPS584703U (en) 1981-06-30 1981-06-30 Internal combustion engine intake and exhaust valve drive device

Country Status (1)

Country Link
JP (1) JPS584703U (en)

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