JPS63128276U - - Google Patents
Info
- Publication number
- JPS63128276U JPS63128276U JP1990987U JP1990987U JPS63128276U JP S63128276 U JPS63128276 U JP S63128276U JP 1990987 U JP1990987 U JP 1990987U JP 1990987 U JP1990987 U JP 1990987U JP S63128276 U JPS63128276 U JP S63128276U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- eccentric pin
- annular lip
- open state
- part facing
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Compressor (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は第１図の―線に沿う断面図、第３図は第
１図のピストンポンプの作動状態を示す行程図、
第４図は第１図のピストンポンプの要部を示す断
面図第１図は本考案の一実施例を示す断面図、第
５図は従来例を示す断面図である。
１０……ピストンポンプ、１１……ポンプ本体
、１３……駆動軸、１４……偏心ピン、１５……
ピストン、１６……端部、２０……シリンダ、３
１，３２……ピストンリング、３１Ａ，３２Ａ…
…環状リツプ部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view taken along the line - in Figure 1, and Figure 3 is a stroke diagram showing the operating state of the piston pump in Figure 1.
FIG. 4 is a cross-sectional view showing essential parts of the piston pump shown in FIG. 1. FIG. 1 is a cross-sectional view showing an embodiment of the present invention, and FIG. 5 is a cross-sectional view showing a conventional example. 10... Piston pump, 11... Pump body, 13... Drive shaft, 14... Eccentric pin, 15...
Piston, 16... End, 20... Cylinder, 3
1, 32... Piston ring, 31A, 32A...
...Annular lip.
Claims (1)
ストンの端部を連結し、該ピストンがポンプ本体
に設けられるシリンダ内を揺動状態で往復動する
往復揺動型ピストンポンプにおいて、シリンダ内
面に摺接するピストンの外周部に、反偏心ピン側
に開き状態で臨む環状リツプ部と、偏心ピン側に
開き状態で臨む環状リツプ部とを設けてなること
を特徴とする往復揺動型ピストンポンプ。 In a reciprocating rocking type piston pump, the end of the piston is connected to an eccentric pin of a drive shaft supported by the pump body, and the piston reciprocates in a rocking state within a cylinder provided in the pump body. A reciprocating oscillating piston pump characterized in that an annular lip part facing the opposite eccentric pin side in an open state and an annular lip part facing the eccentric pin side in an open state are provided on the outer periphery of the pistons in contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990987U JPS63128276U (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990987U JPS63128276U (en) | 1987-02-16 | 1987-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63128276U true JPS63128276U (en) | 1988-08-22 |
Family
ID=30814929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990987U Pending JPS63128276U (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003328937A (en) * | 2002-05-14 | 2003-11-19 | Ulvac Kiko Inc | Vacuum pump |
| JP2010151049A (en) * | 2008-12-25 | 2010-07-08 | Hitachi Ltd | Rocking type compressor |
| WO2019026335A1 (en) * | 2017-07-31 | 2019-02-07 | 株式会社日立産機システム | Reciprocating compressor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136586A (en) * | 1982-09-11 | 1984-08-06 | エ−リツヒ・ベツカ− | Oscillating piston pump |
-
1987
- 1987-02-16 JP JP1990987U patent/JPS63128276U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136586A (en) * | 1982-09-11 | 1984-08-06 | エ−リツヒ・ベツカ− | Oscillating piston pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003328937A (en) * | 2002-05-14 | 2003-11-19 | Ulvac Kiko Inc | Vacuum pump |
| JP2010151049A (en) * | 2008-12-25 | 2010-07-08 | Hitachi Ltd | Rocking type compressor |
| WO2019026335A1 (en) * | 2017-07-31 | 2019-02-07 | 株式会社日立産機システム | Reciprocating compressor |
| JPWO2019026335A1 (en) * | 2017-07-31 | 2020-04-16 | 株式会社日立産機システム | Reciprocating compressor |