JPS61186805U - - Google Patents
Info
- Publication number
- JPS61186805U JPS61186805U JP7124785U JP7124785U JPS61186805U JP S61186805 U JPS61186805 U JP S61186805U JP 7124785 U JP7124785 U JP 7124785U JP 7124785 U JP7124785 U JP 7124785U JP S61186805 U JPS61186805 U JP S61186805U
- Authority
- JP
- Japan
- Prior art keywords
- port
- valve
- valve body
- push rod
- fluid pressure
- 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
- 239000012530 fluid Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Description
第１図は本考案による２段速度制御弁の一実施
例の断面図、第２図は従来の２段速度制御機構を
示す図である。
１：２段速度制御弁、２：本体、２１，２３：
ポート、２４：弁孔、３：弁体、４：弁体駆動部
、４１：シリンダ体、４２：ピストン、５：リリ
ーフ機構、５１：シリンダ体、５２：リリーフピ
ストン。
FIG. 1 is a sectional view of an embodiment of a two-stage speed control valve according to the present invention, and FIG. 2 is a diagram showing a conventional two-stage speed control mechanism. 1: Two-stage speed control valve, 2: Main body, 21, 23:
Port, 24: Valve hole, 3: Valve body, 4: Valve body drive section, 41: Cylinder body, 42: Piston, 5: Relief mechanism, 51: Cylinder body, 52: Relief piston.
Claims (1)
２のポートを有する弁本体内に第１のポートと第
２のポートとを通じる弁口を開閉する弁体と該弁
体を該弁口が開く方向に押圧するプツシユロツド
を設け、該プツシユロツドに信号流体圧が加えら
れたときプツシユロツドを押すシリンダを取り付
け、第１のポートと第２のポートとの間を低速絞
りニードル弁を設けた通路で連通し、該弁体には
該弁体より大きな圧力作用面積を有していて流体
圧の作用により該弁孔を開く方向に該弁体を動か
すリリーフピストンを取り付けたことを特徴とす
る流体圧シリンダの２段速度制御弁。 A valve body that opens and closes a valve port that communicates with the first port and the second port in a valve body having a first port and a second port through which fluid flows in or out, and the valve port that opens the valve body. A push rod that presses in the direction is provided, a cylinder that presses the push rod when a signal fluid pressure is applied to the push rod is installed, and the first port and the second port are communicated through a passage provided with a low speed throttle needle valve. , a fluid pressure cylinder characterized in that a relief piston is attached to the valve body, the relief piston having a larger pressure acting area than the valve body and moving the valve body in the direction of opening the valve hole by the action of fluid pressure. Two-stage speed control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7124785U JPS61186805U (en) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7124785U JPS61186805U (en) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186805U true JPS61186805U (en) | 1986-11-21 |
Family
ID=30608558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7124785U Pending JPS61186805U (en) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02209681A (en) * | 1989-02-03 | 1990-08-21 | Iseki & Co Ltd | Hydraulic control valve |
| JPH11183306A (en) * | 1997-12-24 | 1999-07-09 | Sapporo Breweries Ltd | Lifting device for noise insulating device |
-
1985
- 1985-05-14 JP JP7124785U patent/JPS61186805U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02209681A (en) * | 1989-02-03 | 1990-08-21 | Iseki & Co Ltd | Hydraulic control valve |
| JPH11183306A (en) * | 1997-12-24 | 1999-07-09 | Sapporo Breweries Ltd | Lifting device for noise insulating device |