JPS5884304U - Sealed pressure lifter - Google Patents
Sealed pressure lifterInfo
- Publication number
- JPS5884304U JPS5884304U JP14027981U JP14027981U JPS5884304U JP S5884304 U JPS5884304 U JP S5884304U JP 14027981 U JP14027981 U JP 14027981U JP 14027981 U JP14027981 U JP 14027981U JP S5884304 U JPS5884304 U JP S5884304U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- reservoir
- pressure
- receiving end
- face
- 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図及び第４図はそれぞれ本案のプランジャ
の加工過程を示し第５図は −従来のプランジャ
を示す。いずれも縦断面図、第６図は他の実施例の第３
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・・・
ヘッド、２５・・・リザーバ、２９・・・圧力室、２４
・・・ダイアフラム、２７・・・通孔、２Ｂ・・・リー
ククリアランス、３０・・・シー゛ル、４０・・・胴部
、３１・・・プレート。Fig. 1 is a partial longitudinal cross-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 cross-sectional view of the hydraulic lifter of the present invention, and Figs. 3 and 4 respectively show the plunger of the present invention. Figure 5 shows the machining process of - A conventional plunger. All are longitudinal sectional views, and FIG. 6 is a third view of another embodiment.
It is a figure similar to the figure. 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...
Head, 25... Reservoir, 29... Pressure chamber, 24
...Diaphragm, 27...Through hole, 2B...Leak clearance, 30...Seal, 40...Body, 31...Plate.
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、ダイアフラ
ム外表側を大気に開放するプランジャの通気孔、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、プランジャの
外周面とボデー内周面間のリーククリアランス、上記の
通孔より圧力室から遠く離れてプランジャ外周面上に設
けた環状溝、この環状溝内に嵌合するシールを備えた油
圧リフタにおいて、上記のプランジャの胴部と受圧端面
部となるプレーとを別体として加工後、互いに溶接して
作られ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 vent hole in the plunger that opens the outer surface of the diaphragm to the atmosphere, a check valve that is held on the pressure-receiving end face of the plunger and allows the reservoir to flow only toward the pressure chamber, a spring that biases the plunger toward the reservoir, and a body wall of the plunger. A through hole that connects the reservoir inside the plunger to the outside of the plunger, a leak clearance between the outer circumferential surface of the plunger and the inner circumferential surface of the body, an annular groove provided on the outer circumferential surface of the plunger at a distance from the pressure chamber than the above-mentioned through hole, and an inside of this annular groove. A sealed hydraulic lifter equipped with a seal that fits into the plunger, characterized in that the body of the plunger and the plate serving as the pressure-receiving end face are machined separately and then welded together. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14027981U JPS5884304U (en) | 1981-09-21 | 1981-09-21 | Sealed pressure lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14027981U JPS5884304U (en) | 1981-09-21 | 1981-09-21 | Sealed pressure lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884304U true JPS5884304U (en) | 1983-06-08 |
Family
ID=29933443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14027981U Pending JPS5884304U (en) | 1981-09-21 | 1981-09-21 | Sealed pressure lifter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884304U (en) |
-
1981
- 1981-09-21 JP JP14027981U patent/JPS5884304U/en active Pending
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