JPS59126107U - Variable valve timing mechanism - Google Patents

Variable valve timing mechanism

Info

Publication number
JPS59126107U
JPS59126107U JP1810783U JP1810783U JPS59126107U JP S59126107 U JPS59126107 U JP S59126107U JP 1810783 U JP1810783 U JP 1810783U JP 1810783 U JP1810783 U JP 1810783U JP S59126107 U JPS59126107 U JP S59126107U
Authority
JP
Japan
Prior art keywords
ring member
guide groove
axial direction
shaft
timing mechanism
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
JP1810783U
Other languages
Japanese (ja)
Other versions
JPH0117607Y2 (en
Inventor
野平　英隆
熊井　照男
秀雄 中村
日吉　力
Original Assignee
トヨタ自動車株式会社
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 トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP1810783U priority Critical patent/JPS59126107U/en
Publication of JPS59126107U publication Critical patent/JPS59126107U/en
Application granted granted Critical
Publication of JPH0117607Y2 publication Critical patent/JPH0117607Y2/ja
Granted legal-status Critical Current

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  • Valve Device For Special Equipments (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図は本考案を採用した内燃機関の動弁機構全体を示
す図、第２図は本考案のバルブタイミング機構を一部断
面で示す平面図、第３図は第２図において断面で示した
部分の平面図、第４図は第３図の線ＩＶ−ＩＶにおける
断面図、第５図はガイドシャフトの拡大図である。 ９・・・開閉弁（吸気バルブ）、１９．１９ａ。 １９ｂ・・・カム、３１・・・カム軸、４１・・・中空
ガイドシャフト、４３・・・フォーク、４４・・・リン
グ部材、４５・・・駆動シャフト、４６・・・ガイド溝
、４ｓａ。 ４６ｂ・・・窪み、４８・・・ピン部材、５０ａ、５０
ｂ・・・ねじりコイルばね、５２ａ、５２ｂ・・・ばね
、５３ａ。 ５３ｂ・・・傾斜部。Fig. 1 is a diagram showing the entire valve train mechanism of an internal combustion engine adopting the present invention, Fig. 2 is a plan view partially showing the valve timing mechanism of the invention in cross section, and Fig. 3 is a diagram showing the valve timing mechanism of the present invention in cross section. FIG. 4 is a sectional view taken along line IV--IV in FIG. 3, and FIG. 5 is an enlarged view of the guide shaft. 9... Opening/closing valve (intake valve), 19.19a. 19b...Cam, 31...Camshaft, 41...Hollow guide shaft, 43...Fork, 44...Ring member, 45...Drive shaft, 46...Guide groove, 4sa. 46b...dent, 48...pin member, 50a, 50
b... Torsion coil spring, 52a, 52b... Spring, 53a. 53b... Slanted part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １つの開閉弁９について異なったカムプロフィールの２
個の駆動カム１９ａ、１９ｂを有するカムピース１９を
軸方向に移動可能にカム軸３１に装着し、前記カムピー
ス１９を軸方向に移動させるフォーク４３を、ガイド溝
４６を有する中空ガイドシャフト４１上に摺動可能に設
けると共に、前記ガイド溝４６を貫通するピン部材４８
を介して前記中空ガイドシャフト４１内に移動可能に設
けたリング部材４４に固定連結し、該リング部材４４を
該リング部材内部に摺動可能に設けた駆動シャフト４５
にばね５２ａ、５２ｂを介して連結し、前記ガイド溝４
６は軸方向にのびていると共にその軸方向両端に半径方
向のわずかな窪み４６ａ、４６ｂを有する略＝字形であ
り、前記ピン部材４８を前記窪み４６ａ、４６ｂに係止
するべく前記リング部材を回転方向に付勢する手段５０
ａ、５０ｂを備え、かつ該リング部材４４に所定の軸方
向の力が作用した時前記ピン部材４８が前記ガイド溝４
６の窪み４６ａ、４６ｂより脱出するように該窪みは傾
斜部５３ａ、５３ｂを有することを特徴とする内燃機関
の可変バルブタイミング機構。Two different cam profiles for one on-off valve 9
A cam piece 19 having two drive cams 19a and 19b is mounted on a cam shaft 31 so as to be movable in the axial direction, and a fork 43 for moving the cam piece 19 in the axial direction is slid onto a hollow guide shaft 41 having a guide groove 46. A pin member 48 is movably provided and passes through the guide groove 46.
A drive shaft 45 is fixedly connected to a ring member 44 movably provided within the hollow guide shaft 41 through the drive shaft 45 and the ring member 44 is slidably provided inside the ring member.
are connected to the guide groove 4 via springs 52a and 52b.
6 has a substantially =-shaped shape extending in the axial direction and having slight radial depressions 46a, 46b at both ends in the axial direction, and the ring member is rotated to lock the pin member 48 in the depressions 46a, 46b. Means 50 for biasing in the direction
a, 50b, and when a predetermined axial force is applied to the ring member 44, the pin member 48 moves into the guide groove 4.
6. A variable valve timing mechanism for an internal combustion engine, characterized in that the recesses have inclined portions 53a, 53b so as to escape from the recesses 46a, 46b of No.6.
JP1810783U 1983-02-12 1983-02-12 Variable valve timing mechanism Granted JPS59126107U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1810783U JPS59126107U (en) 1983-02-12 1983-02-12 Variable valve timing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1810783U JPS59126107U (en) 1983-02-12 1983-02-12 Variable valve timing mechanism

Publications (2)

Publication Number Publication Date
JPS59126107U true JPS59126107U (en) 1984-08-24
JPH0117607Y2 JPH0117607Y2 (en) 1989-05-23

Family

ID=30149317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1810783U Granted JPS59126107U (en) 1983-02-12 1983-02-12 Variable valve timing mechanism

Country Status (1)

Country Link
JP (1) JPS59126107U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011503427A (en) * 2007-11-17 2011-01-27 ダイムラー・アクチェンゲゼルシャフト Valve train device
US8464673B2 (en) 2010-06-25 2013-06-18 Hyundai Motor Company Variable valve lift apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011503427A (en) * 2007-11-17 2011-01-27 ダイムラー・アクチェンゲゼルシャフト Valve train device
US8464673B2 (en) 2010-06-25 2013-06-18 Hyundai Motor Company Variable valve lift apparatus

Also Published As

Publication number Publication date
JPH0117607Y2 (en) 1989-05-23

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