JPS62869U - - Google Patents
Info
- Publication number
- JPS62869U JPS62869U JP9119985U JP9119985U JPS62869U JP S62869 U JPS62869 U JP S62869U JP 9119985 U JP9119985 U JP 9119985U JP 9119985 U JP9119985 U JP 9119985U JP S62869 U JPS62869 U JP S62869U
- Authority
- JP
- Japan
- Prior art keywords
- seat member
- discharge port
- valve seat
- free end
- end side
- 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
- 239000012530 fluid Substances 0.000 claims 2
Description
第１図は本考案の第１の実施例による真空ポン
プの要部を示す縦断面図、第２図は本考案の第２
の実施例を示す要部断面図、第３図は本考案の第
３の実施例を示す要部断面図、第４図は従来技術
による真空ポンプの要部を示す縦断面図である。
１……シリンダ、２……ピストン、１１，２１
，３１……弁座部材、１１Ｂ，２１Ｂ，３１Ｂ…
…吐出口、１２，２２，３２……凹部、１４，２
３，３３……吐出弁、１４Ａ，２３Ａ，３３Ａ…
…固定端、１４Ｂ，２３Ｂ，３３Ｂ……自由端。
FIG. 1 is a vertical cross-sectional view showing the main parts of a vacuum pump according to a first embodiment of the present invention, and FIG.
FIG. 3 is a sectional view of essential parts showing a third embodiment of the present invention, and FIG. 4 is a vertical sectional view showing essential parts of a vacuum pump according to the prior art. 1...Cylinder, 2...Piston, 11, 21
, 31... Valve seat member, 11B, 21B, 31B...
...Discharge port, 12, 22, 32... Concavity, 14, 2
3, 33...Discharge valve, 14A, 23A, 33A...
...fixed end, 14B, 23B, 33B...free end.
Claims (1)
リンダに設けられ、吐出口が穿設された弁座部材
と、前記ピストンの往復動に伴つて前記吐出口を
開閉すべく、該弁座部材の上面側に一端が固定端
、他端が自由端となるように設けられた吐出弁と
からなる往復動式流体機械において、前記弁座部
材の吐出口近傍の肉厚を前記吐出弁の固定端側よ
りも自由端側の方が薄肉となるように形成したこ
とを特徴とする往復動式流体機械。 A cylinder in which a piston reciprocates, a valve seat member provided in the cylinder and having a discharge port formed therein, and an upper surface of the valve seat member for opening and closing the discharge port as the piston reciprocates In a reciprocating fluid machine comprising a discharge valve provided with one end being a fixed end and the other end being a free end, the wall thickness of the valve seat member near the discharge port is defined as the wall thickness on the fixed end side of the discharge valve. A reciprocating fluid machine characterized by being formed so that the free end side is thinner than the free end side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9119985U JPS62869U (en) | 1985-06-17 | 1985-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9119985U JPS62869U (en) | 1985-06-17 | 1985-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62869U true JPS62869U (en) | 1987-01-07 |
Family
ID=30646888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9119985U Pending JPS62869U (en) | 1985-06-17 | 1985-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970028011A (en) * | 1995-11-14 | 1997-06-24 | 우시구보 마사요시 | Exhaust valve mechanism of fluid displacement device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710559B2 (en) * | 1974-10-18 | 1982-02-26 |
-
1985
- 1985-06-17 JP JP9119985U patent/JPS62869U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710559B2 (en) * | 1974-10-18 | 1982-02-26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970028011A (en) * | 1995-11-14 | 1997-06-24 | 우시구보 마사요시 | Exhaust valve mechanism of fluid displacement device |