JPS63123711U - - Google Patents
Info
- Publication number
- JPS63123711U JPS63123711U JP1493787U JP1493787U JPS63123711U JP S63123711 U JPS63123711 U JP S63123711U JP 1493787 U JP1493787 U JP 1493787U JP 1493787 U JP1493787 U JP 1493787U JP S63123711 U JPS63123711 U JP S63123711U
- Authority
- JP
- Japan
- Prior art keywords
- valve stem
- guide
- valve
- stem guide
- gap
- 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
Links
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
Description
第１図は本考案のバルブステムガイド潤滑装置
を備えた内燃機関シリンダヘツドの断面図、第２
図は第１図に示した潤滑装置の上部の拡大断面図
、第３図は第１図の潤滑装置の下部の拡大断面図
である。
１０……シリンダヘツド、１２……吸気ポート
、１６……吸気バルブ、１８……バルブステムガ
イド、３６……スプリング室、３８……動弁室、
４２……バルブステム、４６……ポンプ部材、４
８……給油孔、５０……オイル溜まり、５８……
戻し孔、６２……シール部材、６６……リテーナ
。
Fig. 1 is a sectional view of an internal combustion engine cylinder head equipped with the valve stem guide lubricating device of the present invention;
1 is an enlarged sectional view of the upper part of the lubricating device shown in FIG. 1, and FIG. 3 is an enlarged sectional view of the lower part of the lubricating device shown in FIG. 10... Cylinder head, 12... Intake port, 16... Intake valve, 18... Valve stem guide, 36... Spring chamber, 38... Valve train chamber,
42...Valve stem, 46...Pump member, 4
8... Oil supply hole, 50... Oil reservoir, 58...
Return hole, 62...Sealing member, 66...Retainer.
Claims (1)
着され、バルブステムを摺動自在に案内する案内
孔を備えたバルブステムガイドにおいて、 バルブステムの運動に伴いバルブステムガイド
の上部と協働してバルブステムとバルブステムガ
イドとの間の隙間に動弁室内のオイルミストを圧
送するポンプ部材をバルブステムに装着し、 下向きに傾斜した給油孔により動弁室内のオイ
ル溜まりをバルブステムとバルブステムガイドと
の間の前記隙間に連通し、 前記給油孔より下方において戻し孔により前記
隙間を動弁室に連通し、 円周方向リツプを備えたエラストマー製シール
部材により前記戻し孔の下方においてバルブステ
ムとバルブステムガイドとの間のシールを行うこ
とを特徴とするバルブステムガイドの潤滑装置。[Scope of Claim for Utility Model Registration] In a valve stem guide that is installed almost vertically in the cylinder head of an internal combustion engine and is equipped with a guide hole that guides the valve stem in a slidable manner, the valve stem guide changes as the valve stem moves. A pump member is attached to the valve stem that works with the upper part to pump oil mist inside the valve train chamber into the gap between the valve stem and the valve stem guide, and the downwardly sloping oil supply hole drains the oil pool inside the valve train chamber. communicating with the gap between the valve stem and the valve stem guide, communicating the gap with the valve operating chamber by a return hole below the oil supply hole, and connecting the return hole with an elastomer sealing member having a circumferential lip. A lubricating device for a valve stem guide, characterized in that the device seals between the valve stem and the valve stem guide below the valve stem guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1493787U JPS63123711U (en) | 1987-02-05 | 1987-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1493787U JPS63123711U (en) | 1987-02-05 | 1987-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123711U true JPS63123711U (en) | 1988-08-11 |
Family
ID=30805399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1493787U Pending JPS63123711U (en) | 1987-02-05 | 1987-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653704U (en) * | 1992-12-25 | 1994-07-22 | エヌオーケー株式会社 | Seal for valve stem |
-
1987
- 1987-02-05 JP JP1493787U patent/JPS63123711U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653704U (en) * | 1992-12-25 | 1994-07-22 | エヌオーケー株式会社 | Seal for valve stem |
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