JPS6016212U - pressure control valve - Google Patents
pressure control valveInfo
- Publication number
- JPS6016212U JPS6016212U JP10273083U JP10273083U JPS6016212U JP S6016212 U JPS6016212 U JP S6016212U JP 10273083 U JP10273083 U JP 10273083U JP 10273083 U JP10273083 U JP 10273083U JP S6016212 U JPS6016212 U JP S6016212U
- Authority
- JP
- Japan
- Prior art keywords
- pressure control
- valve
- control valve
- pilot
- main piston
- 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
- Control Of Fluid Pressure (AREA)
- Safety Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来のパイロット作動形の減圧弁の構造を模
式的に示す断面図、第２図は、同じくその調整ネジ回転
数と制御圧力との関係を示す線図である。第３図は、こ
の考案の一実施例としての減圧弁の構造を模式的に示す
第１図と同様な断面図、第４図は、同じくその絞り装置
の詳細を示す断面図である。第５図は、同じくその回転
体の形状例を示す平面図である。第６図は、第４図の絞
り装置による脈動流の流量変化を示す線図、第７図は、
第３図の減圧弁による調整ネジ回転数と制御圧力との関
係を示す線図である。第８図及び第９図は、この考案に
おける絞り装置の具体的構造例を示し、第８図は第９図
のＢ−Ｂ線に沿う断面図であり、第９図は第８図のＡ−
Ａ線に沿う断面図である。第１０図は、この考案の他の
実施例であるリリーフ弁を模式的に示す断面図である。
１・・・ボディ、２・・・スプリング、３：・・主ビス
斗ンミ４・・・ポペット弁、５・・・調整ネジ、１０．
２０・・・絞り装置、１２．２２・・・入口流路、１３
．２３・・・出口流路、１４．２４・・・絞り、１６．
２６・・・回転体、１６ａ・・・平担部（凹部）、１６
ｂ・・・曲面部（凸部）、２１・・・絞りユニット、Ｍ
■・・・主ピストン弁部、Ｐ■・・・ポペット弁部、Ｓ
・・・絞り部、ＲＶ・・・リリーフ弁部。FIG. 1 is a cross-sectional view schematically showing the structure of a conventional pilot-operated pressure reducing valve, and FIG. 2 is a diagram showing the relationship between the adjustment screw rotation speed and control pressure. FIG. 3 is a sectional view similar to FIG. 1 schematically showing the structure of a pressure reducing valve as an embodiment of the invention, and FIG. 4 is a sectional view similarly showing details of the throttle device. FIG. 5 is a plan view showing an example of the shape of the rotating body. FIG. 6 is a diagram showing the flow rate change of the pulsating flow due to the throttle device in FIG. 4, and FIG.
4 is a diagram showing the relationship between the adjustment screw rotation speed and control pressure by the pressure reducing valve of FIG. 3. FIG. 8 and 9 show specific structural examples of the aperture device in this invention, FIG. 8 is a sectional view taken along the line B-B in FIG. 9, and FIG. −
It is a sectional view along the A line. FIG. 10 is a sectional view schematically showing a relief valve according to another embodiment of the invention. 1: Body, 2: Spring, 3: Main screw 4: Poppet valve, 5: Adjustment screw, 10.
20... Squeezing device, 12.22... Inlet channel, 13
．． 23... Outlet channel, 14.24... Throttle, 16.
26... Rotating body, 16a... Flat part (concave part), 16
b...Curved surface part (convex part), 21...Aperture unit, M
■...Main piston valve part, P■...Poppet valve part, S
... Throttle section, RV... Relief valve section.
Claims (1)
り主回路を開閉制御する主ピストン弁部と、該主ピスト
ン弁部による制御圧力を設定するパイロット弁部と、該
パイロット弁部によるパイロット流量を設定する絞り部
とからなる圧力制御弁において、 前記絞り部を、流路断面積を小さくした絞りの出口又は
入口に隣接して、外周面に凹凸を形成した回転体を、前
記絞りの中心線上から偏倚して流路に略直交して設けた
軸によって回転自在に軸支して構成したことを特徴とす
る圧力制御弁。[Claims for Utility Model Registration] A main piston valve section that controls opening and closing of the main circuit by a main piston biased in one direction by a spring, a pilot valve section that sets the control pressure by the main piston valve section, and the pilot In a pressure control valve comprising a constriction part that sets a pilot flow rate by the valve part, the constriction part is a rotary body with unevenness formed on the outer circumferential surface adjacent to the outlet or inlet of the constriction with a small flow path cross-sectional area. . A pressure control valve, characterized in that it is rotatably supported by a shaft that is offset from the center line of the throttle and is provided substantially orthogonal to the flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10273083U JPS6016212U (en) | 1983-07-04 | 1983-07-04 | pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10273083U JPS6016212U (en) | 1983-07-04 | 1983-07-04 | pressure control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6016212U true JPS6016212U (en) | 1985-02-04 |
| JPH0330888Y2 JPH0330888Y2 (en) | 1991-06-28 |
Family
ID=30242005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10273083U Granted JPS6016212U (en) | 1983-07-04 | 1983-07-04 | pressure control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6016212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63318374A (en) * | 1987-06-23 | 1988-12-27 | Komatsu Ltd | Pressure control valve |
| JPH03199780A (en) * | 1989-12-27 | 1991-08-30 | Tabuchi Seisakusho:Kk | Pressure balance valve mechanism for hot and cold water mixing faucet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614318A (en) * | 1979-07-16 | 1981-02-12 | Tokyo Keiki Co Ltd | Pilot operating type reducing valve |
-
1983
- 1983-07-04 JP JP10273083U patent/JPS6016212U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614318A (en) * | 1979-07-16 | 1981-02-12 | Tokyo Keiki Co Ltd | Pilot operating type reducing valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63318374A (en) * | 1987-06-23 | 1988-12-27 | Komatsu Ltd | Pressure control valve |
| JPH03199780A (en) * | 1989-12-27 | 1991-08-30 | Tabuchi Seisakusho:Kk | Pressure balance valve mechanism for hot and cold water mixing faucet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330888Y2 (en) | 1991-06-28 |
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