JPS6338607U - - Google Patents
Info
- Publication number
- JPS6338607U JPS6338607U JP13215886U JP13215886U JPS6338607U JP S6338607 U JPS6338607 U JP S6338607U JP 13215886 U JP13215886 U JP 13215886U JP 13215886 U JP13215886 U JP 13215886U JP S6338607 U JPS6338607 U JP S6338607U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- head
- oil inlet
- air bubble
- communicating
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は、本考案の油圧式バルブラツシユアジ
ヤスタの断面図である。第２図は、本考案の油圧
式バルブラツシユアジヤスタを有するＤＯＨＣ型
の動弁系の配置図である。第３図は、本考案のロ
ツカーアーム内装型油圧式バルブラツシユアジヤ
スタを有するＯＨＣ型動弁系の配置図である。第
４図は、本考案のロツカーアーム内装型油圧式バ
ルブラツシユアジヤスタの断面図である。第５図
は、従来の油圧式バルブラツシユアジヤスタの断
面図である。
１……油圧式バルブラツシユアジヤスタ、２…
…ロツカーアーム、５……円筒形アウタプランジ
ヤ、６……プランジヤヘツド、７……円筒形イン
ナプランジヤ、８……チエツク弁、１２……油供
給回路、１４……油導入口、１５……給油口、１
６……切り欠き、１８……気泡排出用連通口、１
９……気泡収集室、２０……隙間、２３……リザ
ーバ室、２４……高圧室。
FIG. 1 is a sectional view of the hydraulic valve lash adjuster of the present invention. FIG. 2 is a layout diagram of a DOHC type valve train having a hydraulic valve lash adjuster according to the present invention. FIG. 3 is a layout diagram of an OHC type valve train having a rocker arm built-in hydraulic valve lash adjuster according to the present invention. FIG. 4 is a sectional view of the rocker arm internal type hydraulic valve latch adjuster of the present invention. FIG. 5 is a sectional view of a conventional hydraulic valve lash adjuster. 1...Hydraulic valve lash adjuster, 2...
... Rocker arm, 5 ... Cylindrical outer plunger, 6 ... Plunger head, 7 ... Cylindrical inner plunger, 8 ... Check valve, 12 ... Oil supply circuit, 14 ... Oil inlet, 15 ... Oil supply port ,1
6...Notch, 18...Bubble discharge communication port, 1
9...Bubble collection chamber, 20...Gap, 23...Reservoir chamber, 24...High pressure chamber.
Claims (1)
たシリンダ内に、外部に通じる隙間をもつて傾斜
姿勢で嵌入された円筒形アウタプラジヤを有し、
該アウタプランジヤの内部に、底部にオリフイス
を備えた円筒形インナプランジヤが摺動自在に嵌
入され、さらにアウタプランジヤ内にプランジヤ
ヘツドが置かれ、切り欠きを有するプランジヤヘ
ツドの開放端がオリフイスとは反対側の前記イン
ナプランジヤの開放端と当接し、インナプランジ
ヤの底部には、インナプランジヤ及びプランジヤ
ヘツド内に形成されたリザーバ室から、インナプ
ランジヤの底部とアウタプランジヤとで形成され
た高圧室への方向にのみ作動油の流れを許すよう
にチエツク弁が配置されているような油圧式バル
ブラツシユアジヤスタにおいて、アウタプランジ
ヤに、高圧室と反対側のその開放端近くにシリン
ダヘツド又はロツカーアーム内に設けられた油供
給回路と連通した油導入口を設け、これと整列し
てプランジヤヘツドにリザーバ室への給油口を形
成し、さらに、高圧室と前記油導入口との間のア
ウタプランジヤの上壁部に前記プランジヤヘツド
の切り欠きと整列して気泡排出用連通口を設け、
該気泡排出用連通口を、アウタプランジヤの外周
面に形成され且つ前記隙間と連絡した環状気泡収
集室に開口させたことを特徴とする油圧式バルブ
ラツシユアジヤスタ。 It has a cylindrical outer plunger fitted in a cylinder provided in a cylinder head or a rocker arm in an inclined position with a gap communicating with the outside,
A cylindrical inner plunger having an orifice at the bottom is slidably fitted inside the outer plunger, and a plunger head is disposed within the outer plunger, and the open end of the plunger head having a notch is opposite to the orifice. The bottom of the inner plunger has a direction from the reservoir chamber formed in the inner plunger and the plunger head to the high pressure chamber formed by the bottom of the inner plunger and the outer plunger. In hydraulic valve latch adjusters in which a check valve is arranged to permit flow of hydraulic fluid only to An oil inlet communicating with the oil supply circuit is provided, and an oil inlet to the reservoir chamber is formed in the plunger head in alignment with the oil inlet, and an upper wall of the outer plunger is provided between the high pressure chamber and the oil inlet. A communication port for air bubble discharge is provided in the part in alignment with the notch of the plunger head,
A hydraulic valve lash adjuster characterized in that the air bubble discharge communication port is opened to an annular air bubble collection chamber formed on the outer peripheral surface of the outer plunger and communicating with the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13215886U JPH0442484Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13215886U JPH0442484Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338607U true JPS6338607U (en) | 1988-03-12 |
| JPH0442484Y2 JPH0442484Y2 (en) | 1992-10-07 |
Family
ID=31031286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13215886U Expired JPH0442484Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442484Y2 (en) |
-
1986
- 1986-08-29 JP JP13215886U patent/JPH0442484Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442484Y2 (en) | 1992-10-07 |
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