JPS63160381U - - Google Patents
Info
- Publication number
- JPS63160381U JPS63160381U JP5266487U JP5266487U JPS63160381U JP S63160381 U JPS63160381 U JP S63160381U JP 5266487 U JP5266487 U JP 5266487U JP 5266487 U JP5266487 U JP 5266487U JP S63160381 U JPS63160381 U JP S63160381U
- Authority
- JP
- Japan
- Prior art keywords
- pump shaft
- pump
- cylinder
- discharge port
- suction port
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の１実施例の側断面図、第２図
は第１図の―線の正断面図、第３図は他の姿
勢における側断面図、第４図はさらに他の姿勢に
おける要部の拡大正断面図、第５図は従来例の側
断面図、第６図は第５図の―線の正断面図、
第７図は他の姿勢における側断面図、第８図はさ
らに他の姿勢における要部の拡大正断面図である
。
１……シリンダー、３……ポンプ軸、１７……
ポンプ室、１９……吸入口、２１……吐出口、２
３……連通路、２７……押圧装置。
Fig. 1 is a side sectional view of one embodiment of the present invention, Fig. 2 is a front sectional view taken along the - line in Fig. 1, Fig. 3 is a side sectional view in another posture, and Fig. 4 is a still another posture. FIG. 5 is a side sectional view of the conventional example, FIG. 6 is a front sectional view taken along the - line in FIG. 5,
FIG. 7 is a side sectional view in another posture, and FIG. 8 is an enlarged front sectional view of the main parts in still another posture. 1...Cylinder, 3...Pump shaft, 17...
Pump chamber, 19...Suction port, 21...Discharge port, 2
3... Communication path, 27... Pressing device.
Claims (1)
に軸方向に１往復運動するポンプ軸３を設け、前
記シリンダー１の端部に、前記ポンプ軸３の端面
に対面するポンプ室１７を形成するとともに、前
記シリンダー１内径部に吸入口１９と吐出口２１
とを相対して開口して設け、前記吸入口１９と前
記吐出口２１とを前記ポンプ軸３の外周面によつ
て閉鎖して設けるとともに、前記ポンプ軸３に、
前記ポンプ軸３の回転にともなつて前記吸入口１
９と前記吐出口２１とを前記ポンプ室１７に交互
に連通する連通路２３を設けたオイルポンプにお
いて、前記ポンプ軸３を前記吸入口１９に押圧、
付勢する押圧装置２７を設けたことを特徴とする
オイルポンプ。 A pump shaft 3 is provided which is rotatably fitted into the cylinder 1 and makes one reciprocating motion in the axial direction for each rotation, and a pump chamber 17 is formed at the end of the cylinder 1 facing the end surface of the pump shaft 3. At the same time, an inlet port 19 and a discharge port 21 are provided in the inner diameter part of the cylinder 1.
are provided with openings facing each other, and the suction port 19 and the discharge port 21 are provided closed by the outer peripheral surface of the pump shaft 3, and the pump shaft 3 is provided with:
As the pump shaft 3 rotates, the suction port 1
9 and the discharge port 21 are provided with communication passages 23 that alternately communicate with the pump chamber 17, the pump shaft 3 is pressed against the suction port 19,
An oil pump characterized by being provided with a pressing device 27 for urging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5266487U JPS63160381U (en) | 1987-04-09 | 1987-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5266487U JPS63160381U (en) | 1987-04-09 | 1987-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63160381U true JPS63160381U (en) | 1988-10-20 |
Family
ID=30878032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5266487U Pending JPS63160381U (en) | 1987-04-09 | 1987-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63160381U (en) |
-
1987
- 1987-04-09 JP JP5266487U patent/JPS63160381U/ja active Pending