JPH0362203U - - Google Patents
Info
- Publication number
- JPH0362203U JPH0362203U JP12229289U JP12229289U JPH0362203U JP H0362203 U JPH0362203 U JP H0362203U JP 12229289 U JP12229289 U JP 12229289U JP 12229289 U JP12229289 U JP 12229289U JP H0362203 U JPH0362203 U JP H0362203U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pressure
- valve
- pressure increasing
- switching spool
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Servomotors (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第1図は本考案による増圧式分流弁の本質的な
構成を示すために本考案による第1型の増圧式分
流弁を油圧回路に組み込んだ例、第2a図〜第2
d図は本考案による増圧式分流弁の作動状態を順
次示す図、第3a図は本考案による増圧弁の構成
、第3b図は第3a図に示す増圧弁を油圧回路に
組み込んだ例、第4図は本考案による増圧式分流
弁の本質的な構成を示すために本考案による第2
型の増圧式分流弁を油圧回路に組み込んだ例、第
5a図〜第5d図は第4図による増圧式分流弁の
作動状態を示す図、そして第6a〜6b図は本発
明による増圧弁の構成を示す図である。
図中符号、10,30……弁ハウジング、11
,31……切り換えスプール、12,32……増
圧ピストン、12a,12b……増圧ピストン端
、13,33……スプリング、A……出口ポート
、B……出口ポート、C……出口ポート、AA…
…アクチユエータシリンダ、BB……アクチユエ
ータシリンダ、CC……アクチユエータシリンダ
。
Figure 1 shows an example in which the first type of pressure increasing type flow diverter valve according to the present invention is incorporated into a hydraulic circuit to show the essential structure of the pressure increasing type flow dividing valve according to the present invention, and Figures 2a to 2
Figure d is a diagram sequentially showing the operating states of the pressure-increasing type diverter valve according to the present invention, Figure 3a is the configuration of the pressure-increasing valve according to the present invention, Figure 3b is an example in which the pressure-increasing valve shown in Figure 3a is incorporated into a hydraulic circuit, Figure 4 shows the second valve according to the present invention to show the essential structure of the pressure increasing type flow dividing valve according to the present invention.
5a to 5d are diagrams showing the operating state of the pressure increasing type diverter valve according to FIG. FIG. 3 is a diagram showing the configuration. Reference numerals in the figure, 10, 30...Valve housing, 11
, 31... Switching spool, 12, 32... Pressure boosting piston, 12a, 12b... Pressure boosting piston end, 13, 33... Spring, A... Outlet port, B... Outlet port, C... Outlet port ,AA...
...actuator cylinder, BB...actuator cylinder, CC...actuator cylinder.
Claims (1)
線方向に運動可能に配設されており、増圧ピスト
ン12内にこれと同心に切換スプール11が弁ピ
ストン12に対して相対的に軸線方向に運動可能
に配設されており、直径Dの増圧ピストン12の
両端は直径dのピストン端12a,12bにより
閉じられており、この両端の一方12a又は12
bと切換スプール11の端との間に切換スプール
11を常に一方向に付勢するためのスプリング1
3が内蔵されており、増圧ピストン12の大小の
ピストン直径比D/dに従つて弁ハウジング10
内で弁ピストン12の両端12a,12bとの間
に形成された室c,e内に交互に元圧以上の高圧
が形成されて出力ポートA,Bから吐出されるこ
とを特徴とする増圧式分流弁。 2 請求項1記載の増圧式分流弁において出力ポ
ートA,Bが1つの出力ポートCに統合されてい
ることを特徴とする増圧弁。 3 弁ハウジング30内に増圧ピストン32が軸
線方向に運動可能に配設されており、増圧ピスト
ン32の外方に増圧ピストン32と平行に切換ス
プール31が同様に軸線方向に運動可能に配設さ
れており、増圧ピストン31はスプリング33に
よつて常に一方向に付勢されており、増圧ピスト
ン32の大小のピストン直径比d1/d2に従つ
て弁ハウジング30内で増圧ピストン32の両端
との間に形成された室c,h内に交互に元圧以上
の高圧が発生されて出力ポートA,Bから吐出さ
れることを特徴とする増圧式分流弁。 4 請求項3記載の増圧式分流弁において出力ポ
ートA,Bが1つの出力ポートCに統合されてい
ることを特徴とする増圧弁。[Claims for Utility Model Registration] 1. A pressure booster piston 12 is disposed within the valve housing 10 so as to be movable in the axial direction, and a switching spool 11 is disposed concentrically within the pressure booster piston 12 with respect to the valve piston 12. Both ends of the pressure booster piston 12 having a diameter D are closed by piston ends 12a and 12b having a diameter d, and one of these ends 12a or 12
a spring 1 for always biasing the switching spool 11 in one direction between the switching spool 11 and the end of the switching spool 11;
3 is built-in, and according to the piston diameter ratio D/d of the pressure increasing piston 12, the valve housing 10
A pressure increasing type characterized in that high pressure higher than the original pressure is alternately formed in chambers c and e formed between both ends 12a and 12b of the valve piston 12 and discharged from output ports A and B. Diversion valve. 2. The pressure increasing type flow dividing valve according to claim 1, wherein output ports A and B are integrated into one output port C. 3. A pressure booster piston 32 is disposed within the valve housing 30 so as to be movable in the axial direction, and a switching spool 31 is disposed outside the pressure booster piston 32 in parallel with the pressure booster piston 32 so as to be movable in the axial direction. The pressure increasing piston 31 is always biased in one direction by the spring 33, and the pressure increasing piston 31 is increased in the valve housing 30 according to the piston diameter ratio d 1 /d 2 of the pressure increasing piston 32. A pressure increasing type flow dividing valve characterized in that high pressure higher than the original pressure is alternately generated in chambers c and h formed between both ends of a pressure piston 32 and discharged from output ports A and B. 4. The pressure increasing type flow dividing valve according to claim 3, wherein output ports A and B are integrated into one output port C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12229289U JPH0362203U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12229289U JPH0362203U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0362203U true JPH0362203U (en) | 1991-06-18 |
Family
ID=31670298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12229289U Pending JPH0362203U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0362203U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5844501B2 (en) * | 1979-05-29 | 1983-10-04 | 株式会社ナブコ | Brake cylinder device |
JPS6224001A (en) * | 1985-07-23 | 1987-02-02 | Fukushima Seisakusho:Kk | Booster |
-
1989
- 1989-10-20 JP JP12229289U patent/JPH0362203U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5844501B2 (en) * | 1979-05-29 | 1983-10-04 | 株式会社ナブコ | Brake cylinder device |
JPS6224001A (en) * | 1985-07-23 | 1987-02-02 | Fukushima Seisakusho:Kk | Booster |
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