JPS6237316U - - Google Patents
Info
- Publication number
- JPS6237316U JPS6237316U JP12287785U JP12287785U JPS6237316U JP S6237316 U JPS6237316 U JP S6237316U JP 12287785 U JP12287785 U JP 12287785U JP 12287785 U JP12287785 U JP 12287785U JP S6237316 U JPS6237316 U JP S6237316U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure chamber
- pilot valve
- back pressure
- main circuit
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Description
第１図は本考案の１実施例の構成を示す縦断側
面図、第２図は従来の圧力制御弁の縦断側面図で
ある。
１……主回路、２……排出回路、３……ポペツ
ト弁、４……背圧室、９……プランジヤ、９ｂ…
…内部通路、１０……本体、１１……本体の部材
、１１ａ内孔、１５……圧力室、１６……パイロ
ツト弁、１６ａ……ロツド部、１６ｂ……パイロ
ツト弁部。
FIG. 1 is a vertical side view showing the configuration of one embodiment of the present invention, and FIG. 2 is a vertical side view of a conventional pressure control valve. 1... Main circuit, 2... Discharge circuit, 3... Poppet valve, 4... Back pressure chamber, 9... Plunger, 9b...
...Internal passage, 10... Main body, 11... Main body member, 11a inner hole, 15... Pressure chamber, 16... Pilot valve, 16a... Rod part, 16b... Pilot valve part.
Claims (1)
このポペツト弁の背後を背圧室に形成し、その背
圧室をパイロツト弁を介して排出回路に接続し、
前記ポペツト弁に前記主回路と前記背圧室とを接
続する絞りを設けた圧力制御弁において、前記ポ
ペツト弁を貫通し内部通路を有するプランジヤの
一端を主回路に臨ませ、他端を圧力制御弁の本体
に当接させ、前記パイロツト弁は、前記プランジ
ヤの他端が当接する本体の部分に設けた内孔に摺
動自在に嵌入し前記内部通路によつて主回路に接
続する圧力室を形成するロツド部と、このロツド
部に連設したパイロツト弁部とを有し、このパイ
ロツト弁部とロツド部との間を前記背圧室に連通
させた圧力制御弁。 A poppet valve is provided between the main circuit and the discharge circuit,
A back pressure chamber is formed behind the poppet valve, and the back pressure chamber is connected to the discharge circuit via a pilot valve.
In the pressure control valve in which the poppet valve is provided with a throttle connecting the main circuit and the back pressure chamber, one end of a plunger penetrating the poppet valve and having an internal passage faces the main circuit, and the other end is used for pressure control. The pilot valve is brought into contact with the main body of the valve, and the pilot valve has a pressure chamber which is slidably fitted into an inner hole provided in the part of the main body which the other end of the plunger abuts, and which is connected to the main circuit through the inner passage. 1. A pressure control valve, comprising: a rod portion formed therein; and a pilot valve portion connected to the rod portion, the pilot valve portion and the rod portion communicating with the back pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12287785U JPH0429167Y2 (en) | 1985-08-09 | 1985-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12287785U JPH0429167Y2 (en) | 1985-08-09 | 1985-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237316U true JPS6237316U (en) | 1987-03-05 |
| JPH0429167Y2 JPH0429167Y2 (en) | 1992-07-15 |
Family
ID=31013476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12287785U Expired JPH0429167Y2 (en) | 1985-08-09 | 1985-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429167Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990010811A1 (en) * | 1989-03-16 | 1990-09-20 | Kabushiki Kaisha Komatsu Seisakusho | Pressure control valve |
-
1985
- 1985-08-09 JP JP12287785U patent/JPH0429167Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990010811A1 (en) * | 1989-03-16 | 1990-09-20 | Kabushiki Kaisha Komatsu Seisakusho | Pressure control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429167Y2 (en) | 1992-07-15 |