JPS63142478U - - Google Patents
Info
- Publication number
- JPS63142478U JPS63142478U JP3537787U JP3537787U JPS63142478U JP S63142478 U JPS63142478 U JP S63142478U JP 3537787 U JP3537787 U JP 3537787U JP 3537787 U JP3537787 U JP 3537787U JP S63142478 U JPS63142478 U JP S63142478U
- Authority
- JP
- Japan
- Prior art keywords
- port
- hydraulic pressure
- hydraulic
- input
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 5
Landscapes
- Safety Valves (AREA)
Description
第１図は本考案にかかる調圧弁の一例の調圧時
の断面図、第２図は調圧弁の第２実施例の一部断
面図である。
１…調圧弁、２…スプール、３…スプリング、
６…入力油圧ポート、７…出力油圧ポート、８…
ドレンポート、１０…信号油圧室、１１…出力油
圧帰還室、１２…入力油路、１３…第１オリフイ
ス、１４…ドレン油路、１５…第２オリフイス。
FIG. 1 is a sectional view of an example of the pressure regulating valve according to the present invention during pressure regulation, and FIG. 2 is a partial sectional view of a second embodiment of the pressure regulating valve. 1...Pressure regulating valve, 2...Spool, 3...Spring,
6...Input hydraulic port, 7...Output hydraulic port, 8...
Drain port, 10... Signal oil pressure chamber, 11... Output oil pressure return chamber, 12... Input oil path, 13... First orifice, 14... Drain oil path, 15... Second orifice.
Claims (1)
ポートとドレンポートとの中間に形成された出力
油圧ポートと、スプールを一方向に押すべく信号
油圧が入力される信号油圧室と、信号油圧と対向
する方向へスプールを押すべく出力油圧が帰還さ
れる出力油圧帰還室とを有し、出力油圧ポートが
入力油圧ポートまたはドレンポートと選択的に連
通する調圧弁において、上記信号油圧の入力油路
中に第１オリフイスを設けるとともに、信号油圧
の一部を第１オリフイスより開口面積の小さい第
２オリフイスを介してドレンさせたことを特徴と
する調圧弁。 An input hydraulic port, a drain port, an output hydraulic port formed between the input hydraulic port and the drain port, a signal hydraulic chamber into which a signal hydraulic pressure is input to push the spool in one direction, and a signal hydraulic chamber facing the signal hydraulic pressure. The pressure regulating valve has an output hydraulic pressure return chamber to which the output hydraulic pressure is returned to push the spool in the direction, and the output hydraulic pressure port selectively communicates with the input hydraulic pressure port or the drain port. A pressure regulating valve characterized in that a first orifice is provided and a part of the signal hydraulic pressure is drained through a second orifice having a smaller opening area than the first orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3537787U JPS63142478U (en) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3537787U JPS63142478U (en) | 1987-03-11 | 1987-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142478U true JPS63142478U (en) | 1988-09-20 |
Family
ID=30844812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3537787U Pending JPS63142478U (en) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142478U (en) |
-
1987
- 1987-03-11 JP JP3537787U patent/JPS63142478U/ja active Pending