JPS61139373U - - Google Patents
Info
- Publication number
- JPS61139373U JPS61139373U JP2196885U JP2196885U JPS61139373U JP S61139373 U JPS61139373 U JP S61139373U JP 2196885 U JP2196885 U JP 2196885U JP 2196885 U JP2196885 U JP 2196885U JP S61139373 U JPS61139373 U JP S61139373U
- Authority
- JP
- Japan
- Prior art keywords
- movable piece
- piston
- flow path
- sliding hole
- fixed part
- 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
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
Landscapes
- Fluid-Driven Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
Description
第１図はこの考案の第１実施例を概略的に示す
断面図、第２図はこの考案を適用した方向制御弁
の一例を示す断面図、第３図はこの考案の第２実
施例を概略的に示す断面図、第４図はこの考案の
第３実施例を概略的に示す断面図、第５図はこの
考案を適用した圧力制御弁の一例を示す断面図、
第６図は従来の電気式ノズルフラツパ装置の一例
を概略的に示す断面図である。
１……ボデイ、２……スプール、３……スプー
ル液圧室、１５，３５……電気式ノズルフラツパ
装置、１８，３８……ノズル、１８ａ，２８ａ，
３８ａ……流路、１９，３９……バイモルフ型圧
電素子（フラツパ部材）、２０，３０，４０……
摺動孔、２１，３１，４１……ピストン、２５…
…ポペツト弁、２８……弁座。
Fig. 1 is a sectional view schematically showing a first embodiment of this invention, Fig. 2 is a sectional view showing an example of a directional control valve to which this invention is applied, and Fig. 3 is a sectional view showing a second embodiment of this invention. 4 is a sectional view schematically showing a third embodiment of this invention; FIG. 5 is a sectional view showing an example of a pressure control valve to which this invention is applied;
FIG. 6 is a sectional view schematically showing an example of a conventional electric nozzle flapper device. 1... Body, 2... Spool, 3... Spool hydraulic chamber, 15, 35... Electric nozzle flapper device, 18, 38... Nozzle, 18a, 28a,
38a... Channel, 19, 39... Bimorph type piezoelectric element (flapper member), 20, 30, 40...
Sliding hole, 21, 31, 41...Piston, 25...
...poppet valve, 28...valve seat.
Claims (1)
は熱により形状が変化する素子あるいは合金によ
つて駆動される可動片によつて開閉するようにし
た開閉弁において、 前記固定部に横断面が前記開口と同面積で前記
流路と連通する摺動孔を形成し、該摺動孔にピス
トンを嵌挿して、該ピストンの突出端を前記可動
片又はその延設部に当接あるいは係着させ、該可
動片に作用する流体力をバランスさせるようにし
たことを特徴とする開閉弁。[Claims for Utility Model Registration] An on-off valve in which the opening of a flow path formed in a fixed part is opened and closed by a movable piece driven by an element or alloy whose shape changes by electricity, magnetism, or heat. A sliding hole is formed in the fixed part and has a cross section having the same area as the opening and communicates with the flow path, a piston is inserted into the sliding hole, and the protruding end of the piston is connected to the movable piece or its An on-off valve characterized in that the movable piece is brought into contact with or engaged with an extending portion to balance fluid force acting on the movable piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985021968U JPH0343502Y2 (en) | 1985-02-20 | 1985-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985021968U JPH0343502Y2 (en) | 1985-02-20 | 1985-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61139373U true JPS61139373U (en) | 1986-08-29 |
| JPH0343502Y2 JPH0343502Y2 (en) | 1991-09-11 |
Family
ID=30513837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985021968U Expired JPH0343502Y2 (en) | 1985-02-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343502Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51138740U (en) * | 1975-04-30 | 1976-11-09 | ||
| JPS5980585A (en) * | 1982-10-27 | 1984-05-10 | Nachi Fujikoshi Corp | Poppet type solenoid valve |
-
1985
- 1985-02-20 JP JP1985021968U patent/JPH0343502Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51138740U (en) * | 1975-04-30 | 1976-11-09 | ||
| JPS5980585A (en) * | 1982-10-27 | 1984-05-10 | Nachi Fujikoshi Corp | Poppet type solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343502Y2 (en) | 1991-09-11 |