JPS62170802U - - Google Patents
Info
- Publication number
- JPS62170802U JPS62170802U JP5960686U JP5960686U JPS62170802U JP S62170802 U JPS62170802 U JP S62170802U JP 5960686 U JP5960686 U JP 5960686U JP 5960686 U JP5960686 U JP 5960686U JP S62170802 U JPS62170802 U JP S62170802U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- pressure chamber
- valve
- chamber
- atmospheric pressure
- 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
- 238000005192 partition Methods 0.000 claims 1
Description
第１図は、本考案の実施例を示す断面図、第２
図は、本考案と従来とのブースタリレーの不感帯
の大きさを示すグラフ、第３図は、従来のブース
タリレーを示す断面図である。
２……一次側室、３……二次側室、４……信号
圧力室、５……主弁、６……主弁の弁体、７……
弁棒、８……リリーフ弁、８ａ……リリーフ弁の
弁座、９……リリーフ弁の弁体、１１……ダイヤ
フラム装置、１３……第１ダイヤフラム、１５…
…第２ダイヤフラム、１６……大気圧、１７……
開口、２１……第２開口、２２……第３ダイヤフ
ラム。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG.
The figure is a graph showing the size of the dead zone of the present invention and the conventional booster relay, and FIG. 3 is a sectional view showing the conventional booster relay. 2... Primary side chamber, 3... Secondary side chamber, 4... Signal pressure chamber, 5... Main valve, 6... Valve body of main valve, 7...
Valve stem, 8... Relief valve, 8a... Valve seat of the relief valve, 9... Valve element of the relief valve, 11... Diaphragm device, 13... First diaphragm, 15...
...Second diaphragm, 16...Atmospheric pressure, 17...
Opening, 21... second opening, 22... third diaphragm.
Claims (1)
主弁の弁体を備えた弁棒と、該弁棒の一端に設け
られたリリーフ弁の弁体と、信号圧力室と二次側
室との間に設けられたダイヤフラム装置とを有し
、該ダイヤフラム装置が、信号圧力室側に設けら
れた第１ダイヤフラムと、該第１ダイヤフラムと
対向配置され、二次側室側に設けられた第２ダイ
ヤフラムと、第１ダイヤフラム及び第２ダイヤフ
ラムを支持し、固定筒に対し前記弁棒の軸線方向
に移動可能に装着されたダイヤフラム支持部材と
、第１ダイヤフラムと第２ダイヤフラムとの間に
設けられ、二次側室に連通する開口を備えた大気
圧室と、該大気圧室の開口に設けられた前記リリ
ーフ弁の弁座とを具備するブースタリレーにおい
て、前記大気圧室に信号圧力室側に連通する第２
の開口を形成し、該第２の開口内を通して前記弁
棒を信号圧力の作用下まで延ばし、前記弁棒と前
記ダイヤフラム支持部材の間に信号圧力室と大気
圧室とを仕切る第３ダイヤフラムを設けたことを
特徴とする前記ブースタリレー。 (2) 前記リリーフ弁の径の面積と、前記第３ダ
イヤフラムの有効面積とがほぼ等しいことを特徴
とする実用新案登録請求の範囲第１項に記載のブ
ースタリレー。[Claims for Utility Model Registration] (1) A main valve that partitions the primary side chamber and the secondary side chamber, a valve stem with a valve body of the main valve, and a relief valve provided at one end of the valve stem. and a diaphragm device provided between the signal pressure chamber and the secondary side chamber, the diaphragm device being arranged opposite to the first diaphragm provided on the signal pressure chamber side and the first diaphragm. , a second diaphragm provided on the secondary side chamber side, a diaphragm support member that supports the first diaphragm and the second diaphragm and is movably attached to the fixed cylinder in the axial direction of the valve stem, and the first diaphragm. and a second diaphragm, and includes an atmospheric pressure chamber having an opening communicating with a secondary side chamber, and a valve seat of the relief valve provided at the opening of the atmospheric pressure chamber, A second valve that communicates with the atmospheric pressure chamber to the signal pressure chamber side.
a third diaphragm is formed between the valve stem and the diaphragm support member to separate a signal pressure chamber and an atmospheric pressure chamber; The booster relay is characterized in that it is provided with: (2) The booster relay according to claim 1, wherein the diameter area of the relief valve and the effective area of the third diaphragm are approximately equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986059606U JPH0440003Y2 (en) | 1986-04-22 | 1986-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986059606U JPH0440003Y2 (en) | 1986-04-22 | 1986-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62170802U true JPS62170802U (en) | 1987-10-29 |
| JPH0440003Y2 JPH0440003Y2 (en) | 1992-09-18 |
Family
ID=30891253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986059606U Expired JPH0440003Y2 (en) | 1986-04-22 | 1986-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440003Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212000A (en) * | 1988-06-28 | 1990-01-17 | Tokkyo Kiki Kk | Position control method by valve and position controlling valve therefor |
| JP2012057650A (en) * | 2010-09-06 | 2012-03-22 | Yokogawa Electric Corp | Pressure amplifying device |
| JP2012211621A (en) * | 2011-03-30 | 2012-11-01 | Azbil Corp | Pilot relay |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840635A (en) * | 1971-09-30 | 1973-06-14 |
-
1986
- 1986-04-22 JP JP1986059606U patent/JPH0440003Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840635A (en) * | 1971-09-30 | 1973-06-14 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212000A (en) * | 1988-06-28 | 1990-01-17 | Tokkyo Kiki Kk | Position control method by valve and position controlling valve therefor |
| JP2012057650A (en) * | 2010-09-06 | 2012-03-22 | Yokogawa Electric Corp | Pressure amplifying device |
| JP2012211621A (en) * | 2011-03-30 | 2012-11-01 | Azbil Corp | Pilot relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0440003Y2 (en) | 1992-09-18 |