JPH03112175U - - Google Patents
Info
- Publication number
- JPH03112175U JPH03112175U JP2139390U JP2139390U JPH03112175U JP H03112175 U JPH03112175 U JP H03112175U JP 2139390 U JP2139390 U JP 2139390U JP 2139390 U JP2139390 U JP 2139390U JP H03112175 U JPH03112175 U JP H03112175U
- Authority
- JP
- Japan
- Prior art keywords
- connector
- spool
- oil
- sub
- pressure chamber
- 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
Landscapes
- Safety Valves (AREA)
Description
第１図は本考案の一実施例を示す流量制御弁の
断面図、第２図は流量制御弁の吐出油量特性図、
第３図は従来の流量制御弁の吐出油量特性図であ
る。
１……ハウジング、２……メインスプール弁、
３……コネクタ、４……吐出油路、５……圧力室
、６……バイパス路、８……背圧室、１１……リ
リーフ弁、１３……サブスプール弁、１６……オ
リフイスプレート、１６ａ……オリフイス。
Fig. 1 is a sectional view of a flow control valve showing an embodiment of the present invention, Fig. 2 is a characteristic diagram of the discharge oil amount of the flow control valve,
FIG. 3 is a characteristic diagram of the amount of oil discharged from a conventional flow rate control valve. 1...Housing, 2...Main spool valve,
3... Connector, 4... Discharge oil path, 5... Pressure chamber, 6... Bypass path, 8... Back pressure chamber, 11... Relief valve, 13... Sub spool valve, 16... Orifice plate, 16a... Orifice.
Claims (1)
部から作動油が導かれる圧力室内の圧力によつて
作動するメインスプール弁を嵌挿すると共に、上
記スプール穴の開口端に螺着したコネクタの中心
穴に流量制御を行なうサブスプール弁を摺動可能
に嵌挿し、上記コネクタに嵌挿したサブスプール
弁とメインスプール弁との間に、コネクタと別体
に形成されたオリフイスプレートを、圧力室と油
の導入部とを画成するように設置し、上記オリフ
イスプレートのオリフイスによつて、油の導入部
から圧力室に向う流量を制限して上記サブスプー
ルに作動圧を与え、コネクタの吐出油路に流れる
流量を制御するよう構成したことを特徴とする流
量制御弁。 A main spool valve, which is operated by the pressure in a pressure chamber into which hydraulic oil is introduced from the oil introduction part, is fitted into the spool formed in the housing, and a center hole of a connector screwed into the open end of the spool hole. A sub-spool valve that controls the flow rate is slidably inserted into the connector, and an orifice plate formed separately from the connector is installed between the sub-spool valve inserted into the connector and the main spool valve to connect the pressure chamber and oil. The orifice of the orifice plate restricts the flow rate of oil from the inlet to the pressure chamber to apply operating pressure to the sub-spool, and the outlet oil passage of the connector 1. A flow control valve configured to control a flow rate flowing into the flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2139390U JPH03112175U (en) | 1990-03-05 | 1990-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2139390U JPH03112175U (en) | 1990-03-05 | 1990-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112175U true JPH03112175U (en) | 1991-11-15 |
Family
ID=31524442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2139390U Pending JPH03112175U (en) | 1990-03-05 | 1990-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112175U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164583A (en) * | 1984-09-04 | 1986-04-02 | Atsugi Motor Parts Co Ltd | flow control device |
| JPS62120516A (en) * | 1985-11-20 | 1987-06-01 | Atsugi Motor Parts Co Ltd | Flow rate controller |
-
1990
- 1990-03-05 JP JP2139390U patent/JPH03112175U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164583A (en) * | 1984-09-04 | 1986-04-02 | Atsugi Motor Parts Co Ltd | flow control device |
| JPS62120516A (en) * | 1985-11-20 | 1987-06-01 | Atsugi Motor Parts Co Ltd | Flow rate controller |
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