JPH038670U - - Google Patents
Info
- Publication number
- JPH038670U JPH038670U JP6741189U JP6741189U JPH038670U JP H038670 U JPH038670 U JP H038670U JP 6741189 U JP6741189 U JP 6741189U JP 6741189 U JP6741189 U JP 6741189U JP H038670 U JPH038670 U JP H038670U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder block
- hydraulic pump
- drive shaft
- suck
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示す油圧ポンプの
一部断面側面図、第２図は従来の油圧駆動回路の
一例を示す概略回路図、第３図は同じく従来油圧
管路に設けられたラインオイルフイルタの一例を
示す一部断面概略説明図である。
２ａ，２ｂ，２２……油圧ポンプ、３ａ，３ｂ
……吐出回路、４ａ，４ｂ……制御弁、５ａ，５
ｂ……ドレン回路、６……作動油タンク、９ａ，
９ｂ……ラインオイルフイルタ、１０ａ，１０ｂ
……リターンオイルフイルタ、２３……ポンプ本
体、２５……駆動軸、２６……ピストン、２７…
…シリンダブロツク、２８……吸込部、２９……
吸込孔、３０……吸出孔、３１……本体ケース、
３２……吐出部、３３……凹部、３４……エレメ
ント、３６……蓋、３７……出口孔。
Fig. 1 is a partially sectional side view of a hydraulic pump showing an embodiment of the present invention, Fig. 2 is a schematic circuit diagram showing an example of a conventional hydraulic drive circuit, and Fig. 3 is a schematic circuit diagram showing an example of a conventional hydraulic drive circuit. FIG. 2 is a partially cross-sectional schematic explanatory diagram showing an example of a line oil filter. 2a, 2b, 22...hydraulic pump, 3a, 3b
...Discharge circuit, 4a, 4b...Control valve, 5a, 5
b...Drain circuit, 6...Hydraulic oil tank, 9a,
9b...Line oil filter, 10a, 10b
... Return oil filter, 23 ... Pump body, 25 ... Drive shaft, 26 ... Piston, 27 ...
...Cylinder block, 28...Suction part, 29...
Suction hole, 30...Suction hole, 31...Main case,
32... Discharge portion, 33... Concave portion, 34... Element, 36... Lid, 37... Outlet hole.
Claims (1)
クに嵌入されて、前記駆動軸の回転によりピスト
ンとシリンダブロツクが共に回動しながらピスト
ンがシリンダブロツク内を前後動して圧力油の吸
込みと吐出を行なうように構成されたピストン型
油圧ポンプにおいて、ポンプ本体ケースの圧力油
吐出部に凹部を形成し、該凹部に吐出油を濾過す
るエレメントを内蔵して、該エレメントにより濾
過された圧力油が油圧ポンプから管路に供給する
ようにしたことを特徴とする油圧ポンプ。 A piston supported by a drive shaft is fitted into a cylinder block, and as the piston and cylinder block rotate together due to the rotation of the drive shaft, the piston moves back and forth within the cylinder block to suck in and discharge pressure oil. In a piston-type hydraulic pump configured as shown in FIG. A hydraulic pump characterized by supplying water to a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6741189U JPH038670U (en) | 1989-06-09 | 1989-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6741189U JPH038670U (en) | 1989-06-09 | 1989-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH038670U true JPH038670U (en) | 1991-01-28 |
Family
ID=31600959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6741189U Pending JPH038670U (en) | 1989-06-09 | 1989-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038670U (en) |
-
1989
- 1989-06-09 JP JP6741189U patent/JPH038670U/ja active Pending