JPH045573U - - Google Patents
Info
- Publication number
- JPH045573U JPH045573U JP4695490U JP4695490U JPH045573U JP H045573 U JPH045573 U JP H045573U JP 4695490 U JP4695490 U JP 4695490U JP 4695490 U JP4695490 U JP 4695490U JP H045573 U JPH045573 U JP H045573U
- Authority
- JP
- Japan
- Prior art keywords
- port
- spool
- drain
- flow path
- control valve
- 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
Landscapes
- Servomotors (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Safety Valves (AREA)
Description
第１図は本考案にかかる流量制御弁の一実施例
の非作動状態を示す断面図、第２図はその作動状
態を示す断面図、第３図ａ，ｂはそれぞれ別の実
施例の非作動状態と作動状態とを示す断面図、第
４図は従来の流量制御弁を示す断面図である。
２……筒状スプール、３……流路、４……流入
ポート、５……流出ポート、６，７……ドレーン
ポート、２２……オリフイス（絞り部）、２３ａ
，２３ｂ……ドレーンポート開閉用ランド。
FIG. 1 is a sectional view showing an embodiment of the flow control valve according to the present invention in a non-operating state, FIG. 2 is a sectional view showing its operating state, and FIGS. FIG. 4 is a sectional view showing a conventional flow control valve. 2... Cylindrical spool, 3... Channel, 4... Inflow port, 5... Outflow port, 6, 7... Drain port, 22... Orifice (throttle part), 23a
, 23b...Drain port opening/closing land.
Claims (1)
配置されているとともに、これらポート間にドレ
ーンポートが配置された流路と、この流路内に軸
方向に摺動可能に設けられているとともに、前記
流入ポートから流出ポートへの流量を所定量以下
に制限する絞り部を有する筒状スプールとを備え
、この筒状スプールの外周に、このスプールの移
動により前記流入ポートに対して前記ドレーンポ
ートを開閉するドレーンポート開閉用ランドが形
成された流量制御弁において、前記ドレーンポー
ト開閉用ランドが前記スプールの軸方向両端から
それぞれ等距離の位置にスプールの軸方向に対称
となるように形成されていることを特徴とする流
量制御弁。 A flow path having an inflow port and an outflow port arranged at both ends thereof, and a drain port arranged between these ports, and a flow path slidably provided in the flow path in the axial direction, and the inflow port a cylindrical spool having a constriction part that limits the flow rate from the to the outflow port to a predetermined amount or less, and a drain that opens and closes the drain port with respect to the inflow port by movement of the spool on the outer periphery of the cylindrical spool. A flow control valve in which a port opening/closing land is formed, wherein the drain port opening/closing land is formed symmetrically in the axial direction of the spool at positions equidistant from both axial ends of the spool. Flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4695490U JP2517017Y2 (en) | 1990-05-01 | 1990-05-01 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4695490U JP2517017Y2 (en) | 1990-05-01 | 1990-05-01 | Flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045573U true JPH045573U (en) | 1992-01-20 |
| JP2517017Y2 JP2517017Y2 (en) | 1996-11-13 |
Family
ID=31562470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4695490U Expired - Lifetime JP2517017Y2 (en) | 1990-05-01 | 1990-05-01 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517017Y2 (en) |
-
1990
- 1990-05-01 JP JP4695490U patent/JP2517017Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517017Y2 (en) | 1996-11-13 |