JPS5884305U - Sealed hydraulic lifter - Google Patents
Sealed hydraulic lifterInfo
- Publication number
- JPS5884305U JPS5884305U JP14028081U JP14028081U JPS5884305U JP S5884305 U JPS5884305 U JP S5884305U JP 14028081 U JP14028081 U JP 14028081U JP 14028081 U JP14028081 U JP 14028081U JP S5884305 U JPS5884305 U JP S5884305U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- face
- pressure
- reservoir
- receiving end
- 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
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
第１図は本案の油圧リフタを装備する内燃機関の１例を
示す一部縦断面図、第２図は本考案油圧リフタの拡大縦
断面図、第３図はその一部の分解縦断面図、第４図は同
じ（一部の縦断面図、第５図は同じく一部の平面図、第
６図は従来のものの第４図同様の図である。
１・・・エンジンブロック、２・・・シリンダ、３・・
・ピストン、６・・・ポート、７・・・バルブ、９・・
・ステム、１４・・・ロッカーアーム、１５・・・ブツ
シュロッド、１７・・・油圧リフタ、１８・・・カム、
１９・・・ボデー、２０・・・プランジャ、２１・・・
カップ、２５・・・リザーバ、２１ａ・・・端面部、２
１ｂ・・・胴部、２３・・・通気孔、２９・・・圧力室
、２４・・・ダイアフラム、２７・・・通孔、２８・・
・リーククリアランス、３０・・・シール、４０・・・
環状溝。Fig. 1 is a partial longitudinal sectional view showing an example of an internal combustion engine equipped with the hydraulic lifter of the present invention, Fig. 2 is an enlarged longitudinal sectional view of the hydraulic lifter of the invention, and Fig. 3 is an exploded longitudinal sectional view of a part thereof. , FIG. 4 is the same (partial longitudinal sectional view, FIG. 5 is a partial plan view, and FIG. 6 is a conventional view similar to FIG. 4. 1. Engine block; 2. ...Cylinder, 3...
・Piston, 6...port, 7...valve, 9...
・Stem, 14... Rocker arm, 15... Bush rod, 17... Hydraulic lifter, 18... Cam,
19...Body, 20...Plunger, 21...
Cup, 25... Reservoir, 21a... End surface portion, 2
1b...Body part, 23...Vent hole, 29...Pressure chamber, 24...Diaphragm, 27...Through hole, 28...
・Leak clearance, 30... Seal, 40...
Annular groove.
Claims (1)
ジャ、このプランジャの受圧端面部とボデー内周面によ
ってボデー内に区画される圧力室、円筒状のプランジャ
内にダイアフラムにて密封されるリザーバ、プランジャ
の受圧端面部に保持され、リザーバを圧力室方向にのみ
通ずるチェックバルブ、プランジャをリザーバ方向に付
勢するばね、プラ、ンジャの胴壁にてプランジャ内のり
ザーバをプランジャ外部に通ずる通孔、を有するリフタ
において、上記のプランジャの受圧端面部と反対側の端
部はカップ即ちヘッドにより閉鎖し、このヘッドは円形
の端面部及び筒状の胴部との２部分を互いに溶接により
一体に結合してなり、また端面部にはこの溶接以前の段
階にて、その中央部を避けて周縁部に通気孔を穿孔し有
せしめてなることを特徴とする密封型油圧リフタ。
゛A hollow body, a cylindrical plunger that can slide within the body, a pressure chamber defined within the body by the pressure-receiving end face of the plunger and the inner peripheral surface of the body, and a reservoir sealed within the cylindrical plunger with a diaphragm. , a check valve held on the pressure-receiving end surface of the plunger and communicating the reservoir only in the direction of the pressure chamber; a spring biasing the plunger in the direction of the reservoir; In the lifter, the end of the plunger opposite to the pressure-receiving end face is closed by a cup or head, and this head has two parts, the circular end face and the cylindrical body, which are integrally joined together by welding. A sealed hydraulic lifter characterized in that the end face is provided with a ventilation hole in the peripheral part, avoiding the center part, at a stage before welding.
゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14028081U JPS5884305U (en) | 1981-09-21 | 1981-09-21 | Sealed hydraulic lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14028081U JPS5884305U (en) | 1981-09-21 | 1981-09-21 | Sealed hydraulic lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884305U true JPS5884305U (en) | 1983-06-08 |
Family
ID=29933444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14028081U Pending JPS5884305U (en) | 1981-09-21 | 1981-09-21 | Sealed hydraulic lifter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884305U (en) |
-
1981
- 1981-09-21 JP JP14028081U patent/JPS5884305U/en active Pending
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