JPS6266272U - - Google Patents
Info
- Publication number
- JPS6266272U JPS6266272U JP15639985U JP15639985U JPS6266272U JP S6266272 U JPS6266272 U JP S6266272U JP 15639985 U JP15639985 U JP 15639985U JP 15639985 U JP15639985 U JP 15639985U JP S6266272 U JPS6266272 U JP S6266272U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- port
- valve plate
- dead center
- piston pump
- 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
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示すバルブプレー
トの正面図、第２図はピストンポンプの縦断面図
、第３図は従来のバルブプレートの正面図、第４
図は他の従来例を示すバルブプレートの正面図、
第５図Ａ，Ｂはポートの開口面積図とシリンダボ
リユーム図、第６図はシリンダ内圧と管制力図で
ある。
４：シリンダバレル、４ａ：シリンダポート、
４ｂ：シリンダ、６：ピストン、８：ソリツドカ
ム、２０ａ：吸入ポート、２０ｂ：吐出ポート、
２１ａ，２２ａ：延長部、２１ｂ，２２ｂ：短縮
。
Fig. 1 is a front view of a valve plate showing an embodiment of the present invention, Fig. 2 is a vertical sectional view of a piston pump, Fig. 3 is a front view of a conventional valve plate, and Fig. 4 is a front view of a valve plate showing an embodiment of the present invention.
The figure is a front view of a valve plate showing another conventional example.
5A and 5B are a port opening area diagram and a cylinder volume diagram, and FIG. 6 is a cylinder internal pressure and control force diagram. 4: cylinder barrel, 4a: cylinder port,
4b: cylinder, 6: piston, 8: solid cam, 20a: suction port, 20b: discharge port,
21a, 22a: extension, 21b, 22b: shortening.
Claims (1)
バレルに、前記バルブプレートの吸入ポートと吐
出ポートに交番的に連通されるシリンダポートを
備えた複数のシリンダを配設し、前記各シリンダ
に嵌挿されソリツドカムで支持されて往復動され
るピストンを設けたピストンポンプにおいて、前
記吸入ポートの始端側と終端側に、前記ソリツド
カムの上死点と下死点に向けて延長部を設けると
ともに、前記吐出ポートの始端側と終端側を前記
延長部に対応させて短縮したことを特徴とするピ
ストンポンプ。 A cylinder barrel that rotates in contact with a valve plate is provided with a plurality of cylinders each having a cylinder port that alternately communicates with an intake port and a discharge port of the valve plate, and a solid cam is fitted into each cylinder and is inserted into the cylinder barrel. In a piston pump having a piston that is supported by and reciprocates, extension portions are provided at the start and end sides of the suction port toward the top dead center and bottom dead center of the solid cam, and extension portions are provided at the start and end sides of the suction port, and A piston pump characterized in that a starting end side and a terminal end side are shortened to correspond to the extension portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15639985U JPS6266272U (en) | 1985-10-15 | 1985-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15639985U JPS6266272U (en) | 1985-10-15 | 1985-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6266272U true JPS6266272U (en) | 1987-04-24 |
Family
ID=31077977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15639985U Pending JPS6266272U (en) | 1985-10-15 | 1985-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6266272U (en) |
-
1985
- 1985-10-15 JP JP15639985U patent/JPS6266272U/ja active Pending