JPS60162774U - non-return valve - Google Patents
non-return valveInfo
- Publication number
- JPS60162774U JPS60162774U JP5175084U JP5175084U JPS60162774U JP S60162774 U JPS60162774 U JP S60162774U JP 5175084 U JP5175084 U JP 5175084U JP 5175084 U JP5175084 U JP 5175084U JP S60162774 U JPS60162774 U JP S60162774U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- return valve
- hole
- auxiliary
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は逆止弁の従来例を示す縦断面図、第２図は本考
案の一実施例を示す縦断面図、第３図は第２図の補助弁
が弁体の貫通孔を開放した状態を示す縦断面図である。
１・・・・・・弁箱、２・・・・・・回転支軸、５・・
・・・・弁座、６・・・・・・リンク、７・・・・・・
駆動装置、８Ａ、８Ｂ・・曲流路、１１・・・・・・弁
体、１２・・・・・・貫通孔、１３・・・・・・補助弁
、１４・・・・・・ピン、１５・・・・・・スイングア
ーム、１６・・・・・・開方向駆動具。Figure 1 is a vertical cross-sectional view showing a conventional example of a check valve, Figure 2 is a vertical cross-sectional view showing an embodiment of the present invention, and Figure 3 shows the auxiliary valve shown in Figure 2 opening the through hole of the valve body. FIG. 1...Valve box, 2...Rotation shaft, 5...
...Valve seat, 6...Link, 7...
Drive device, 8A, 8B...Curved flow path, 11...Valve body, 12...Through hole, 13...Auxiliary valve, 14...Pin , 15... Swing arm, 16... Opening direction drive tool.
Claims (1)
において、前記弁体に貫通孔を設け、該貫通孔に、これ
ネ閉塞するとともに前記駆動装置□ に連結されて
前記弁体を閉方向に作動させるべく駆動する補助弁と、
該補助弁を前記駆動装置が開放させた状態で前記弁体と
係合して閉位置まで移動させる開方向駆動具とを設けた
ことを特徴とする逆止弁。In a check valve equipped with a drive device for conducting an opening/closing test of the valve body, a through hole is provided in the valve body, and the through hole is closed and connected to the drive device □ to drive the valve body. an auxiliary valve that is driven to operate in the closing direction;
A check valve comprising: an opening direction driving tool that engages with the valve body and moves the auxiliary valve to a closed position when the driving device opens the auxiliary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5175084U JPS60162774U (en) | 1984-04-09 | 1984-04-09 | non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5175084U JPS60162774U (en) | 1984-04-09 | 1984-04-09 | non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60162774U true JPS60162774U (en) | 1985-10-29 |
Family
ID=30571081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5175084U Pending JPS60162774U (en) | 1984-04-09 | 1984-04-09 | non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60162774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064263A (en) * | 2006-09-11 | 2008-03-21 | Chugoku Electric Power Co Inc:The | Check valve and check valve repairing method |
-
1984
- 1984-04-09 JP JP5175084U patent/JPS60162774U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064263A (en) * | 2006-09-11 | 2008-03-21 | Chugoku Electric Power Co Inc:The | Check valve and check valve repairing method |
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