JPH01176281U - - Google Patents
Info
- Publication number
- JPH01176281U JPH01176281U JP7401888U JP7401888U JPH01176281U JP H01176281 U JPH01176281 U JP H01176281U JP 7401888 U JP7401888 U JP 7401888U JP 7401888 U JP7401888 U JP 7401888U JP H01176281 U JPH01176281 U JP H01176281U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder chamber
- end surface
- opening
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図は本考案の一実施例である制御弁を示す
断面図、第２図は本考案の他の実施例である制御
弁を示す断面図、第３図は第２図の―線にお
ける主弁の断面図である。
１……主弁部、２……パイロツト部、３……流
体圧源、４……流路、４ａ……入力ポート、４ｂ
……出力ポート、４ｃ……排出ポート、５……弁
座、６……シリンダ室、７……パイロツトポート
、８……電磁弁、９，９ａ……開口部、１０……
ピストン、１０ａ……段部、１１……シール部材
（シール部）、１２……主弁、１２ａ……弁体部
、１２ｂ……流通溝、１３……ばね。
Fig. 1 is a sectional view showing a control valve as an embodiment of the present invention, Fig. 2 is a sectional view showing a control valve as another embodiment of the invention, and Fig. 3 is a cross-sectional view taken along the - line in Fig. 2. FIG. 3 is a sectional view of the main valve. DESCRIPTION OF SYMBOLS 1...Main valve part, 2...Pilot part, 3...Fluid pressure source, 4...Flow path, 4a...Input port, 4b
... Output port, 4c ... Discharge port, 5 ... Valve seat, 6 ... Cylinder chamber, 7 ... Pilot port, 8 ... Solenoid valve, 9, 9a ... Opening, 10 ...
Piston, 10a...Step part, 11...Seal member (seal part), 12...Main valve, 12a...Valve body part, 12b...Flow groove, 13...Spring.
Claims (1)
方向に沿つて変位されるシリンダ室と、前記ピス
トンの軸方向の一端面に設けられているシール部
と、このシール部が対向される前記シリンダ室の
内端面に開設されている開口部と、この開口部を
介して前記シリンダ室に連通されている被制御流
体用の流路とを備え、前記シール部が前記シリン
ダ室の内端面に当接されることにより、前記開口
部がシールされることを特徴とする制御弁。 ２ 前記ピストンの外周面には、シール部が設け
られていないことを特徴とする請求項１記載の制
御弁。[Claims for Utility Model Registration] 1. A piston for actuating the main valve, a cylinder chamber in which the piston is displaced along the axial direction, a seal portion provided on one end surface of the piston in the axial direction, and The sealing portion includes an opening formed on an inner end surface of the cylinder chamber facing the sealing portion, and a flow path for a controlled fluid communicating with the cylinder chamber via the opening. A control valve characterized in that the opening is sealed by coming into contact with an inner end surface of the cylinder chamber. 2. The control valve according to claim 1, wherein a seal portion is not provided on the outer peripheral surface of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7401888U JPH01176281U (en) | 1988-06-02 | 1988-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7401888U JPH01176281U (en) | 1988-06-02 | 1988-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01176281U true JPH01176281U (en) | 1989-12-15 |
Family
ID=31299136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7401888U Pending JPH01176281U (en) | 1988-06-02 | 1988-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01176281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051000U (en) * | 1991-02-05 | 1993-01-08 | エスエムシー株式会社 | Vacuum pressure generator |
| JP2008208840A (en) * | 1997-01-30 | 2008-09-11 | Volvo Lastvagnar Ab | Fluid-operated valve assembly |
| JP2019509442A (en) * | 2016-03-07 | 2019-04-04 | ボブスト メックス ソシエテ アノニムＢｏｂｓｔ Ｍｅｘ ＳＡ | Device for gas and / or vacuum distribution, suction unit, supply apparatus, sheet processing machine and method for piloting a device for gas and / or vacuum distribution |
-
1988
- 1988-06-02 JP JP7401888U patent/JPH01176281U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051000U (en) * | 1991-02-05 | 1993-01-08 | エスエムシー株式会社 | Vacuum pressure generator |
| JP2008208840A (en) * | 1997-01-30 | 2008-09-11 | Volvo Lastvagnar Ab | Fluid-operated valve assembly |
| JP4568772B2 (en) * | 1997-01-30 | 2010-10-27 | ボルボ ラストバグナー アーベー | Fluid operated valve assembly |
| JP2019509442A (en) * | 2016-03-07 | 2019-04-04 | ボブスト メックス ソシエテ アノニムＢｏｂｓｔ Ｍｅｘ ＳＡ | Device for gas and / or vacuum distribution, suction unit, supply apparatus, sheet processing machine and method for piloting a device for gas and / or vacuum distribution |
| US11325797B2 (en) | 2016-03-07 | 2022-05-10 | Bobst Mex Sa | Device for gas and/or vacuum distribution, suction unit, feeder, sheet processing machine and method for piloting a device for gas and/or vacuum distribution |