JPH0224021U - - Google Patents
Info
- Publication number
- JPH0224021U JPH0224021U JP10226888U JP10226888U JPH0224021U JP H0224021 U JPH0224021 U JP H0224021U JP 10226888 U JP10226888 U JP 10226888U JP 10226888 U JP10226888 U JP 10226888U JP H0224021 U JPH0224021 U JP H0224021U
- Authority
- JP
- Japan
- Prior art keywords
- oil supply
- supply passage
- cam
- rocker
- hydraulic oil
- 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
Links
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims 4
- 239000003921 oil Substances 0.000 claims 3
- 230000001050 lubricating effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Description
第１図は、本考案による内燃機関の動弁機構を
示す平面図である。第２図は、第１図の―線
に於ける矢視図である。第３図は、本考案による
動弁機構の給油系統を示す回路図である。第４図
は、第１図の―線に於ける断面図である。第
５図は、第４図を部分的に拡大してオリフイス部
材の組付状態を示す断面図である。
１……シリンダ、２，３……吸気バルブ、４，
５……排気バルブ、６……シリンダヘツド、７，
８……動弁機構、９……プラグ差込孔、１０……
ロツカシヤフト、１１……第１ロツカアーム、１
２……第２ロツカアーム、１３……第３ロツカア
ーム、１４……カムシヤフト、１４ａ……カムジ
ヤーナル、１５……カム支持部、１５ａ……孔、
１６，１７……低速用カム、１８……高速用カム
、１９ａ，１９ｂ，２０……支持部、２１〜２３
……カムスリツパ、２４，２５……タペツトねじ
、２６，２７……リテーナ、２８，２９……バル
ブスプリング、３０……連結切換装置、３１……
第１ガイド孔、３２……第１切換ピン、３２ａ，
３２ｂ……端部、３３……油圧室、３４……通路
、３４ａ……入口、３５……給油路、３５ａ……
給油孔、３６……第２ガイド孔、３７……第２切
換ピン、３８……第３ガイド孔、３９……ストツ
パピン、４０……ガイドスリーブ、４１……軸部
、４２……リターンスプリング、６１……端面、
６２……給油口、６３……連通路、６４……切換
制御弁、６５……オイルギヤラリ、６６……オイ
ルパン、６７……オイルポンプ、６８……リリー
フ弁、６９……オイルフイルタ、７０……オイル
クーラ、７１……孔、７２……取付孔、７３……
接続孔、７４……オリフイス部材、７５……入口
ポート、７６……拡径部、７７……凹溝、７８…
…Ｏリング、７９……段部、８１……カムホルダ
、８２……低速潤滑用給油路、８３……高速潤滑
用給油路、８４……給油管部材、８５……ボルト
、８６……連通路、８７……出口ポート、８８…
…噴出孔、８９……オリフイス、９０……油路、
９１……噴出孔、９２……通路。
FIG. 1 is a plan view showing a valve mechanism for an internal combustion engine according to the present invention. FIG. 2 is a view taken along the line - in FIG. 1. FIG. 3 is a circuit diagram showing the oil supply system of the valve train according to the present invention. FIG. 4 is a sectional view taken along the line -- in FIG. 1. FIG. 5 is a partially enlarged sectional view of FIG. 4 showing the assembled state of the orifice member. 1... Cylinder, 2, 3... Intake valve, 4,
5...Exhaust valve, 6...Cylinder head, 7,
8...Valve mechanism, 9...Plug insertion hole, 10...
Rotsuka shaft, 11...1st Rotsuka arm, 1
2... Second rocker arm, 13... Third rocker arm, 14... Camshaft, 14a... Cam journal, 15... Cam support part, 15a... Hole,
16, 17...Low speed cam, 18...High speed cam, 19a, 19b, 20...Support part, 21-23
... Cam slipper, 24, 25 ... Tappet screw, 26, 27 ... Retainer, 28, 29 ... Valve spring, 30 ... Connection switching device, 31 ...
First guide hole, 32...first switching pin, 32a,
32b...end, 33...hydraulic chamber, 34...passage, 34a...inlet, 35...oil supply path, 35a...
Oil supply hole, 36...Second guide hole, 37...Second switching pin, 38...Third guide hole, 39...Stopper pin, 40...Guide sleeve, 41...Shaft portion, 42...Return spring, 61... end face,
62... Oil supply port, 63... Communication path, 64... Switching control valve, 65... Oil gear rally, 66... Oil pan, 67... Oil pump, 68... Relief valve, 69... Oil filter, 70... ...Oil cooler, 71...hole, 72...mounting hole, 73...
Connection hole, 74... Orifice member, 75... Inlet port, 76... Enlarged diameter portion, 77... Concave groove, 78...
... O-ring, 79 ... Step, 81 ... Cam holder, 82 ... Oil supply path for low-speed lubrication, 83 ... Oil supply path for high-speed lubrication, 84 ... Oil supply pipe member, 85 ... Bolt, 86 ... Communication path , 87...exit port, 88...
...Blowout hole, 89...Orifice, 90...Oil passage,
91...Blowout hole, 92...Passway.
Claims (1)
ランク軸に同期回転するカムにより揺動駆動され
る複数のロツカアームと、油圧の作用により隣接
する前記ロツカアームを選択的に連結または解除
するロツカアーム連結切換手段と、前記ロツカア
ーム連結切換手段に油圧を供給するための前記ロ
ツカシヤフトの内部に設けられた油圧用給油路と
、絞りを介して前記油圧用給油路の後端に接続さ
れて前記カムを潤滑するための潤滑用給油路とを
備える内燃機関の動弁機構であつて、 前記油圧用給油路後端と前記潤滑用給油路とを
連通しかつ前記絞りを郭成する絞り部材をシリン
ダヘツド側から前記ロツカシヤフトの管壁を直交
する向きに貫通させることによつて、前記ロツカ
シヤフトが位置決めされることを特徴とする内燃
機関の動弁機構。[Claims for Utility Model Registration] A plurality of rocker arms that are swingably supported on a rocker shaft and that are rockingly driven by a cam that rotates in synchronization with the crankshaft are selectively connected to adjacent rocker arms by the action of hydraulic pressure. or a locker arm connection switching means to be released, a hydraulic oil supply passage provided inside the rocker shaft for supplying hydraulic pressure to the rocker arm connection switching means, and a hydraulic oil supply passage connected to the rear end of the hydraulic oil supply passage through a throttle. and a lubrication oil supply passage for lubricating the cam, the valve mechanism for an internal combustion engine comprising a lubrication oil supply passage for lubricating the cam, the throttle communicating the rear end of the hydraulic oil supply passage with the lubrication oil supply passage and defining the throttle. A valve operating mechanism for an internal combustion engine, wherein the rocker shaft is positioned by passing a member perpendicularly through a pipe wall of the rocker shaft from the cylinder head side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10226888U JPH0640888Y2 (en) | 1988-08-01 | 1988-08-01 | Valve mechanism of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10226888U JPH0640888Y2 (en) | 1988-08-01 | 1988-08-01 | Valve mechanism of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0224021U true JPH0224021U (en) | 1990-02-16 |
| JPH0640888Y2 JPH0640888Y2 (en) | 1994-10-26 |
Family
ID=31332024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10226888U Expired - Lifetime JPH0640888Y2 (en) | 1988-08-01 | 1988-08-01 | Valve mechanism of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640888Y2 (en) |
-
1988
- 1988-08-01 JP JP10226888U patent/JPH0640888Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640888Y2 (en) | 1994-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4729349A (en) | Oil supply system for a valve operating mechanism in internal combustion engines | |
| JPH0263004U (en) | ||
| JPH0316483B2 (en) | ||
| JP2829866B2 (en) | Lubrication system for 4-cycle engine | |
| JPH0224021U (en) | ||
| JPH0317207U (en) | ||
| JPH0716004Y2 (en) | Cylinder head of multi-cylinder engine | |
| JP3358960B2 (en) | SOHC type internal combustion engine | |
| JP2565521B2 (en) | Hydraulic tappet lubricator for four-cycle engine | |
| JP3133983B2 (en) | Lubrication system for 4-cycle engine | |
| JPS6251710A (en) | Device of feeding oil to hydraulic tappet | |
| JP2583267B2 (en) | Rocker arm device for four-cycle engine | |
| JPH0222606U (en) | ||
| JPS6117408U (en) | engine lubrication system | |
| JPS6339363Y2 (en) | ||
| JPH0313408U (en) | ||
| JPH0545761Y2 (en) | ||
| JPH02105503U (en) | ||
| JPH0316484B2 (en) | ||
| JPH0313403B2 (en) | ||
| JPH0222605U (en) | ||
| JPS6382007U (en) | ||
| JPH046709U (en) | ||
| JPH0361106U (en) | ||
| JPS62105315U (en) |