JPH0475202U - - Google Patents
Info
- Publication number
- JPH0475202U JPH0475202U JP11852690U JP11852690U JPH0475202U JP H0475202 U JPH0475202 U JP H0475202U JP 11852690 U JP11852690 U JP 11852690U JP 11852690 U JP11852690 U JP 11852690U JP H0475202 U JPH0475202 U JP H0475202U
- Authority
- JP
- Japan
- Prior art keywords
- line
- relief valve
- valve
- throttle
- external signal
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案に係る油圧回路図。第２図は公
知の回路昇圧回路図。
図において；……コントロールバルブ、…
…油圧ポンプ、……リリーフ弁、……絞り、
……プレツシヤースイツチ、……電磁切換弁
、……油圧源、……タイマ、……電源、
，，……ライン、ａ，ｂ，ｃ，ｄ，ｅ……ラ
イン、ｆ……外部信号ポート。
FIG. 1 is a hydraulic circuit diagram according to the present invention. FIG. 2 is a diagram of a known booster circuit. In the figure;...control valve,...
...hydraulic pump, ...relief valve, ...throttle,
...Pressure switch, ...Solenoid switching valve, ...Hydraulic pressure source, ...Timer, ...Power supply,
,,... line, a, b, c, d, e... line, f... external signal port.
Claims (1)
外部信号によつて数段に調整可能なリリーフ弁
をラインａで分岐させ、リリーフ弁のタンクラ
インｂに絞りを配し、又タンクラインｂのリリ
ーフ弁と絞りの間からラインｃによつてプレ
ツシヤースイツチを接続し、前記リリーフ弁
の外部信号ポートｆをラインｄ、電磁切換弁及
びラインｅを介し油圧源と接続し、さらに電磁
切換弁をライン、タイマ及びライン、プ
レツシヤースイツチ及びラインに依り電源
と接続したことを特徴とする油圧回路の自動昇圧
回路。 Between the control valve and the hydraulic pump, a relief valve that can be adjusted in several stages by an external signal is branched on line a, and a throttle is placed on the tank line b of the relief valve, and between the relief valve and the throttle on tank line b. A pressure switch is connected through line c between the lines, and an external signal port f of the relief valve is connected to a hydraulic power source through line d, an electromagnetic switching valve, and line e, and the electromagnetic switching valve is connected to a line and a timer. An automatic booster circuit for a hydraulic circuit, characterized in that it is connected to a power source via a line, a pressure switch, and a line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11852690U JP2503329Y2 (en) | 1990-11-14 | 1990-11-14 | Automatic boost circuit of hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11852690U JP2503329Y2 (en) | 1990-11-14 | 1990-11-14 | Automatic boost circuit of hydraulic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0475202U true JPH0475202U (en) | 1992-06-30 |
| JP2503329Y2 JP2503329Y2 (en) | 1996-06-26 |
Family
ID=31866453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11852690U Expired - Lifetime JP2503329Y2 (en) | 1990-11-14 | 1990-11-14 | Automatic boost circuit of hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503329Y2 (en) |
-
1990
- 1990-11-14 JP JP11852690U patent/JP2503329Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2503329Y2 (en) | 1996-06-26 |