JPS6375569U - - Google Patents
Info
- Publication number
- JPS6375569U JPS6375569U JP16774087U JP16774087U JPS6375569U JP S6375569 U JPS6375569 U JP S6375569U JP 16774087 U JP16774087 U JP 16774087U JP 16774087 U JP16774087 U JP 16774087U JP S6375569 U JPS6375569 U JP S6375569U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- groove
- oil groove
- valve plate
- balance
- 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.)
- Granted
Links
Landscapes
- Hydraulic Motors (AREA)
Description
第１図は弁板式分配弁を有するラジアルピスト
ンモータの縦断面図、第２図は従来のラジアルピ
ストンモータのバルブの弁板接触面の正面図、第
３図は同弁板のバルブ接触面の正面図、第４図は
本考案の実施例におけるバルブの弁板接触面の正
面図、第５図は同弁板のバルブ接触面の正面図で
ある。
４……クランク軸、５……バルブ、６……弁板
、７……シリンダ、１０……本体部、２５，２６
……バランス油溝、２８……油溝、２９……通孔
、３０……連絡溝。
Figure 1 is a longitudinal cross-sectional view of a radial piston motor with a valve plate distribution valve, Figure 2 is a front view of the valve plate contact surface of the valve of a conventional radial piston motor, and Figure 3 is the valve contact surface of the valve plate of the conventional radial piston motor. 4 is a front view of the valve plate contact surface of the valve in the embodiment of the present invention, and FIG. 5 is a front view of the valve contact surface of the valve plate. 4... Crankshaft, 5... Valve, 6... Valve plate, 7... Cylinder, 10... Main body, 25, 26
... Balance oil groove, 28 ... Oil groove, 29 ... Through hole, 30 ... Communication groove.
Claims (1)
弁板に当接するバルブによりクランク軸上に放射
配列されたシリンダをポンプポートとタンクポー
トに交互に連通せしめ、バルブにおける弁板との
接触面には油圧によるモーメントバランスを図る
ために円弧状をなす複数のバランス油溝を同一円
周上に形成するようにした弁板式分配弁を有する
ラジアルピストンモータにおいて、バルブの相隣
るバランス油溝の間のバランス油溝を通る円周上
にドレンラインに連通する通孔を有する円弧状油
溝を形成し、弁板のバルブとの接触面には少なく
とも円弧状油溝とバランス油溝の溝端の間隔より
も長い連絡溝をバランス油溝が通る円周上に形成
したことを特徴とするラジアルピストンモータ。 The cylinders arranged radially on the crankshaft are alternately communicated with the pump port and the tank port by the valves connected to the crankshaft and in contact with the valve plate fixed to the main body, and the contact surface of the valve with the valve plate is In a radial piston motor that has a valve plate type distribution valve in which a plurality of arc-shaped balance oil grooves are formed on the same circumference in order to achieve moment balance due to hydraulic pressure, the gap between adjacent balance oil grooves of the valve is An arc-shaped oil groove having a through hole communicating with the drain line is formed on the circumference passing through the balance oil groove, and the contact surface of the valve plate with the valve has a groove that is at least wider than the distance between the arc-shaped oil groove and the groove end of the balance oil groove. A radial piston motor characterized in that a long communication groove is formed on the circumference through which the balance oil groove passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16774087U JPH055255Y2 (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16774087U JPH055255Y2 (en) | 1987-10-30 | 1987-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6375569U true JPS6375569U (en) | 1988-05-19 |
| JPH055255Y2 JPH055255Y2 (en) | 1993-02-10 |
Family
ID=31099955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16774087U Expired - Lifetime JPH055255Y2 (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055255Y2 (en) |
-
1987
- 1987-10-30 JP JP16774087U patent/JPH055255Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055255Y2 (en) | 1993-02-10 |
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