JPS63166682U - - Google Patents
Info
- Publication number
- JPS63166682U JPS63166682U JP6048287U JP6048287U JPS63166682U JP S63166682 U JPS63166682 U JP S63166682U JP 6048287 U JP6048287 U JP 6048287U JP 6048287 U JP6048287 U JP 6048287U JP S63166682 U JPS63166682 U JP S63166682U
- Authority
- JP
- Japan
- Prior art keywords
- bearing portion
- spherical bearing
- spherical
- casing
- convex
- 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図ないし第３図は本考案の実施例を示し、
第１図は第１の実施例に係る斜軸式液圧回転機の
要部拡大断面図、第２図は第２の実施例に係る斜
板式液圧回転機の要部拡大断面図、第３図は第３
の実施例に係るラジアルピストン式液圧回転機の
要部拡大断面図、第４図及び第５図は従来技術を
示し、第４図は斜軸式液圧回転機の縦断面図、第
５図は第４図中の要部拡大図である。
１…ケーシング、４…回転軸、１０，３４，４
１…シリンダブロツク、９，３３，４４…凹状球
面部、１１，３５，４２…シリンダ、１２，３６
，４３…ピストン、２４，３７，４５…球形部、
２４Ａ，３７Ａ，４５Ａ…基端球部、２４Ｂ，３
７Ｂ，４５Ｂ…先端球部、Ｒ１…凹状球面部の半
径、Ｒ２…基端球部の半径、Ｒ３…先端球部の半
径。
1 to 3 show embodiments of the present invention,
FIG. 1 is an enlarged sectional view of a main part of a swash plate type hydraulic rotating machine according to a first embodiment, and FIG. 2 is an enlarged sectional view of a main part of a swash plate type hydraulic rotating machine according to a second embodiment. Figure 3 is the third
FIGS. 4 and 5 are enlarged sectional views of main parts of a radial piston type hydraulic rotating machine according to an embodiment of the present invention, and FIGS. 4 and 5 show the prior art. FIG. The figure is an enlarged view of the main part in FIG. 1...Casing, 4...Rotating shaft, 10, 34, 4
1... Cylinder block, 9, 33, 44... Concave spherical surface portion, 11, 35, 42... Cylinder, 12, 36
, 43... Piston, 24, 37, 45... Spherical part,
24A, 37A, 45A...Proximal bulb, 24B, 3
7B, 45B...Distal spherical part, R1 ...Radius of concave spherical part, R2 ...Radius of proximal spherical part, R3 ...Radius of distal spherical part.
Claims (1)
軸と、前記ケーシング内に回転可能に設けられ、
該回転軸と一体に回転するシリンダブロツクと、
該シリンダブロツクの軸方向又は径方向に設けら
れた複数のシリンダと、該各シリンダ内に摺動可
能に設けられたピストンと、該ピストンに作用す
る油圧反力を受承する凸球形状軸受部と、該凸球
形状軸受部を揺動自在に軸支する凹球形状軸受部
とを有する液圧回転機において、前記凸球形状軸
受部を基端側と先端側とで異なる球径で形成し、
かつ、前記凹球形状軸受部の球径をＲ１、前記凸
球形状軸受部の基端球部の球径をＲ２、先端球部
の球径をＲ３としたとき、Ｒ３≧Ｒ１＞Ｒ２の関
係となるように該凸球形状軸受部と凹球形状軸受
部を形成したことを特徴とする液圧回転機。 a casing, a rotating shaft pivotally supported by the casing, and rotatably provided within the casing,
a cylinder block that rotates together with the rotating shaft;
A plurality of cylinders provided in the axial or radial direction of the cylinder block, a piston slidably provided in each cylinder, and a convex spherical bearing portion that receives the hydraulic reaction force acting on the piston. and a concave spherical bearing portion that swingably supports the convex spherical bearing portion, wherein the convex spherical bearing portion is formed with different spherical diameters on a proximal end side and a distal end side. death,
And, when the spherical diameter of the concave spherical bearing portion is R 1 , the spherical diameter of the proximal spherical portion of the convex spherical bearing portion is R 2 , and the spherical diameter of the distal end spherical portion is R 3 , R 3 ≧R 1. A hydraulic rotating machine characterized in that the convex spherical bearing portion and the concave spherical bearing portion are formed so as to satisfy the relationship: 1 > R2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6048287U JPS63166682U (en) | 1987-04-21 | 1987-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6048287U JPS63166682U (en) | 1987-04-21 | 1987-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63166682U true JPS63166682U (en) | 1988-10-31 |
Family
ID=30892928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6048287U Pending JPS63166682U (en) | 1987-04-21 | 1987-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63166682U (en) |
-
1987
- 1987-04-21 JP JP6048287U patent/JPS63166682U/ja active Pending
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