JPH01113199U - - Google Patents
Info
- Publication number
- JPH01113199U JPH01113199U JP933688U JP933688U JPH01113199U JP H01113199 U JPH01113199 U JP H01113199U JP 933688 U JP933688 U JP 933688U JP 933688 U JP933688 U JP 933688U JP H01113199 U JPH01113199 U JP H01113199U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum breaking
- vacuum
- fluid pressure
- control valve
- flow path
- 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
- 239000012530 fluid Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Safety Valves (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
第１図は本考案の一実施例である真空破壊用制
御弁および真空発生装置を一部断面で示す流体回
路図、第２図は第１図に示す本考案の真空破壊用
制御弁および真空発生装置を示す流体回路図であ
る。
１……エゼクタ、１ａ……給気ポート、１ｂ…
…吸引ポート、１ｃ……排気ポート、２……制御
弁、２ａ……入力ポート、２ｂ，２ｃ……出力ポ
ート、２ｄ，２ｅ……排出ポート、３……流体圧
源、４……主流路、５……吸引用流路、６……吸
盤、７……流路、８……真空破壊用制御弁、９…
…主弁、１０……ブロツク、１０ａ……作動用流
体室、１１……本体、１１ａ……孔、１１ｂ……
シール部材、１２……真空破壊用流路、１２ａ…
…入口、１２ｂ……出口、１３……ダイヤフラム
、１３ａ……ポペツト、１４……給排口、１５…
…流路、１６……流量調整弁、１７……逆止弁、
１８，１９……流路、２０……流量調整弁。
Fig. 1 is a fluid circuit diagram showing a partial cross-section of a vacuum breaking control valve and a vacuum generating device which are an embodiment of the present invention, and Fig. 2 is a fluid circuit diagram showing a vacuum breaking control valve and a vacuum generating device of the present invention shown in Fig. 1. FIG. 2 is a fluid circuit diagram showing a generator. 1...Ejector, 1a...Air supply port, 1b...
...Suction port, 1c...Exhaust port, 2...Control valve, 2a...Input port, 2b, 2c...Output port, 2d, 2e...Exhaust port, 3...Fluid pressure source, 4...Main flow path , 5... Suction channel, 6... Suction cup, 7... Channel, 8... Vacuum breaking control valve, 9...
... Main valve, 10 ... Block, 10a ... Operating fluid chamber, 11 ... Main body, 11a ... Hole, 11b ...
Seal member, 12...Vacuum breaking channel, 12a...
...Inlet, 12b...Outlet, 13...Diaphragm, 13a...Poppet, 14...Inlet/outlet, 15...
...Flow path, 16...Flow rate adjustment valve, 17...Check valve,
18, 19...flow path, 20...flow rate adjustment valve.
Claims (1)
流体圧源とエゼクタの吸引ポート側との間に介在
される真空破壊用流路と、前記作動用流体室側と
前記真空破壊用流路側とに仕切つているダイヤフ
ラムとを備え、前記作動用流体室側に供給された
流体圧によつて前記ダイヤフラムが前記真空破壊
用流路側に変位されて該真空破壊用流路が閉じら
れることを特徴とする真空破壊用制御弁。 ２ 前記流体圧源と前記作動用流体室との間に逆
止弁付流量調整弁が介在されていることを特徴と
する請求項１記載の真空破壊用制御弁。 ３ 前記真空破壊用流路の出口側に流量調整弁が
接続されていることを特徴とする請求項１記載の
真空破壊用制御弁。 ４ 請求項１記載の真空破壊用制御弁を備えた真
空発生装置。[Claims for Utility Model Registration] 1. A working fluid chamber connected to a fluid pressure source, a vacuum breaking channel interposed between the fluid pressure source and the suction port side of the ejector, and a working fluid chamber connected to a fluid pressure source; A diaphragm is provided that partitions the chamber side and the vacuum breaking flow path side, and the diaphragm is displaced toward the vacuum breaking flow path side by the fluid pressure supplied to the working fluid chamber side to break the vacuum. A control valve for vacuum breaking, characterized in that a flow path is closed. 2. The vacuum breaking control valve according to claim 1, further comprising a flow regulating valve with a check valve interposed between the fluid pressure source and the operating fluid chamber. 3. The vacuum breaking control valve according to claim 1, further comprising a flow rate regulating valve connected to the outlet side of the vacuum breaking flow path. 4. A vacuum generator comprising the vacuum breaking control valve according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988009336U JPH0335917Y2 (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988009336U JPH0335917Y2 (en) | 1988-01-26 | 1988-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113199U true JPH01113199U (en) | 1989-07-31 |
| JPH0335917Y2 JPH0335917Y2 (en) | 1991-07-30 |
Family
ID=31215995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988009336U Expired JPH0335917Y2 (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335917Y2 (en) |
-
1988
- 1988-01-26 JP JP1988009336U patent/JPH0335917Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0335917Y2 (en) | 1991-07-30 |
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