JPS6436572U - - Google Patents
Info
- Publication number
- JPS6436572U JPS6436572U JP13026887U JP13026887U JPS6436572U JP S6436572 U JPS6436572 U JP S6436572U JP 13026887 U JP13026887 U JP 13026887U JP 13026887 U JP13026887 U JP 13026887U JP S6436572 U JPS6436572 U JP S6436572U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- swash plate
- cylinder block
- spherical surface
- hydraulic 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
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図は斜板式アキシヤルピストン型の油圧ポ
ンプの断面図、第２図は同要部の拡大断面図、第
３図は第２実施例の要部断面図、第４図は従来構
造の要部拡大断面図である。
尚図中、１は斜板式アキシヤルピストン型の油
圧ポンプ、７は駆動軸、９はシリンダブロツク、
１１は摺動孔、１３はピストン、１７は斜板、３
３は鍔部、３５は球面である。
Fig. 1 is a sectional view of a swash plate type axial piston type hydraulic pump, Fig. 2 is an enlarged sectional view of the same main part, Fig. 3 is a sectional view of the main part of the second embodiment, and Fig. 4 is a conventional structure. FIG. 3 is an enlarged cross-sectional view of main parts. In the figure, 1 is a swash plate type axial piston type hydraulic pump, 7 is a drive shaft, 9 is a cylinder block,
11 is a sliding hole, 13 is a piston, 17 is a swash plate, 3
3 is a flange, and 35 is a spherical surface.
Claims (1)
れ先部に球面が形成されたピストンと、 シリンダブロツクの軸心に対して傾斜して配設
され前記ピストンの球面が接触する斜板と、 を備えた斜板式アキシヤルピストン型の油圧ポン
プ、モータにおいて、 前記ピストンの先部に、シリンダブロツクの摺
動孔に嵌装されるピストン部分の径よりも大きな
径を有する鍔部を形成し、 この鍔部に前記球面を大きな曲率半径で形成し
た、 ことを特徴とする斜板式アキシヤルピストン型の
油圧ポンプ、モータのピストン構造。[Claims for Utility Model Registration] A piston that is fitted into a plurality of sliding holes of a cylinder block and has a spherical surface at its tip, and a spherical surface of the piston that is arranged at an angle with respect to the axis of the cylinder block. In a swash plate type axial piston type hydraulic pump or motor, the swash plate is in contact with the swash plate, and the tip of the piston has a diameter larger than the diameter of the piston portion that is fitted into the sliding hole of the cylinder block. A piston structure for a swash plate type axial piston type hydraulic pump and motor, characterized in that: a flange is formed, and the spherical surface is formed on the flange with a large radius of curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026887U JPS6436572U (en) | 1987-08-27 | 1987-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026887U JPS6436572U (en) | 1987-08-27 | 1987-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6436572U true JPS6436572U (en) | 1989-03-06 |
Family
ID=31385280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13026887U Pending JPS6436572U (en) | 1987-08-27 | 1987-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436572U (en) |
-
1987
- 1987-08-27 JP JP13026887U patent/JPS6436572U/ja active Pending
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