JPH0377881U - - Google Patents
Info
- Publication number
- JPH0377881U JPH0377881U JP13805989U JP13805989U JPH0377881U JP H0377881 U JPH0377881 U JP H0377881U JP 13805989 U JP13805989 U JP 13805989U JP 13805989 U JP13805989 U JP 13805989U JP H0377881 U JPH0377881 U JP H0377881U
- Authority
- JP
- Japan
- Prior art keywords
- valve stem
- bonnet
- guiding
- guide bush
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Details Of Valves (AREA)
Description
第１図ないし第３図は本考案の第１実施例で、
第１図は流量調節弁の縦断面図、第２図は第１図
の負圧導入孔の詳細断面図、第３図は第２図のＡ
−Ａ断面図、第４図ないし第６図は本考案の第２
実施例で第４図は流量調節弁の縦断面図、第５図
は第４図の負圧導入孔の断面図、第６図は第５図
のＢ−Ｂ断面図、第７図は従来の流量調節弁の縦
断面図である。
１……弁棒、２……弁棒ガイドブツシユ、３…
…ボンネツト、４……リーク管、５……弁本体、
６……主弁、７……マフラ、８，１０……切欠き
部、９，１０……負圧導入孔。
Figures 1 to 3 show the first embodiment of the present invention,
Figure 1 is a longitudinal sectional view of the flow rate control valve, Figure 2 is a detailed sectional view of the negative pressure introduction hole in Figure 1, and Figure 3 is A in Figure 2.
-A sectional view, Figures 4 to 6 are the second views of the present invention.
In the example, Fig. 4 is a longitudinal sectional view of the flow rate control valve, Fig. 5 is a sectional view of the negative pressure introduction hole of Fig. 4, Fig. 6 is a sectional view taken along line B-B of Fig. 5, and Fig. 7 is a conventional one. FIG. 1... Valve stem, 2... Valve stem guide bush, 3...
...Bonnet, 4...Leak pipe, 5...Valve body,
6... Main valve, 7... Muffler, 8, 10... Notch, 9, 10... Negative pressure introduction hole.
Claims (1)
に嵌め込まれ、前記弁棒と、前記ガイドブツシユ
間の漏れ蒸気を外部に放出しないためにボンネツ
ト内にリーク管を設けた流量調節弁において、前
記ガイドブツシユ内または前記弁棒内に前記リー
ク管による負圧を導くバイパス路を設けたことを
特徴とする流量調節弁の弁棒固着防止機構。 A flow control valve in which a guide bush for guiding a valve stem is fitted into a bonnet, and a leak pipe is provided in the bonnet to prevent leakage steam between the valve stem and the guide bush from being released to the outside. 1. A valve stem sticking prevention mechanism for a flow rate control valve, characterized in that a bypass path is provided therein for guiding the negative pressure caused by the leak pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13805989U JPH0377881U (en) | 1989-11-30 | 1989-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13805989U JPH0377881U (en) | 1989-11-30 | 1989-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0377881U true JPH0377881U (en) | 1991-08-06 |
Family
ID=31685188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13805989U Pending JPH0377881U (en) | 1989-11-30 | 1989-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0377881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019108900A (en) * | 2017-12-15 | 2019-07-04 | 株式会社東芝 | Steam valve |
| JP2019108988A (en) * | 2014-06-13 | 2019-07-04 | エルエスゲー エレクトロニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | Valve device for controlling media flows of various types |
| JP2022109884A (en) * | 2021-01-15 | 2022-07-28 | マルコ システマナリセ ウント エントヴィックルング ゲーエムベーハー | metering valve |
-
1989
- 1989-11-30 JP JP13805989U patent/JPH0377881U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019108988A (en) * | 2014-06-13 | 2019-07-04 | エルエスゲー エレクトロニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | Valve device for controlling media flows of various types |
| JP2019108900A (en) * | 2017-12-15 | 2019-07-04 | 株式会社東芝 | Steam valve |
| JP2022109884A (en) * | 2021-01-15 | 2022-07-28 | マルコ システマナリセ ウント エントヴィックルング ゲーエムベーハー | metering valve |
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