JPS603379U - Seal device for valve shaft bearing in butterfly valve - Google Patents
Seal device for valve shaft bearing in butterfly valveInfo
- Publication number
- JPS603379U JPS603379U JP9645283U JP9645283U JPS603379U JP S603379 U JPS603379 U JP S603379U JP 9645283 U JP9645283 U JP 9645283U JP 9645283 U JP9645283 U JP 9645283U JP S603379 U JPS603379 U JP S603379U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- valve shaft
- shaft
- shaft bearing
- 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
- 238000007789 sealing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
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図はこの考案の実施例の１部縦断して示す正面図、
第２図は同上の要部縦断拡大正面図、第３図は第２図の
■−■線に沿う横断平面図、第４図は第３図と対応する
作用説明図である。
１・・・弁箱、２，２′・・・軸受部、３・・・弁軸、
４・・・弁体、５・・・弁箱弁座、６・・・外周縁、７
，７′・・・内腔、８．８′・・・凹部、１０．１０’
・・・端部材、１２．１２’・・・カム、１６．１６’
・・・軸受部材、−１７，１７’・・・凹溝、１８．１
８’・・・シール部材、１９．１９’・・・保持部材、
２０．２０’・・・切欠孔、２１．２１’・・・水平軸
、２４．２４’・・・ばね。FIG. 1 is a front view showing a partial longitudinal section of an embodiment of this invention;
FIG. 2 is an enlarged vertical front view of the main part of the same as above, FIG. 3 is a cross-sectional plan view taken along the line ■--■ in FIG. 2, and FIG. 4 is an explanatory diagram corresponding to FIG. 3. 1... Valve box, 2, 2'... Bearing part, 3... Valve shaft,
4... Valve body, 5... Valve box valve seat, 6... Outer periphery, 7
, 7'...Inner cavity, 8.8'...Recess, 10.10'
...End member, 12.12'...Cam, 16.16'
...Bearing member, -17,17'...Concave groove, 18.1
8'... Seal member, 19.19'... Holding member,
20.20'...notch hole, 21.21'...horizontal axis, 24.24'...spring.
Claims (1)
形凹部にその先端部を装入させた中空円筒状の軸受部材
を弁箱の軸受部内腔に嵌合し、この゛軸受部材の弁体と
弁箱の接合部における弁箱弁座−と対向する部分に外向
きの凹溝を設け、この凹溝に弁軸と交叉する方向に移動
可能なシール部材を配置し、このシール部材を弁軸側に
付勢する付勢部材を設け、かつ閉弁時この付勢部材の付
勢力に抗してシール部材を弁軸と反対側に移動し、弁箱
弁座および前記弁体の凹部内側面に当接させる部材を弁
軸又は弁体に設けたことを特徴とするバタフライ弁にお
ける弁軸軸受のシール装置。A circular recess is provided in the upper and lower end surfaces of the valve body in the valve axis direction, and a hollow cylindrical bearing member whose tip end is inserted into the circular recess is fitted into the inner cavity of the bearing part of the valve box. An outward groove is provided in the joint between the valve body and the valve body in the part facing the valve seat of the valve body, and a sealing member movable in a direction intersecting the valve shaft is disposed in this groove. A biasing member is provided that biases the member toward the valve shaft, and when the valve is closed, the sealing member is moved to the side opposite to the valve shaft against the biasing force of the biasing member, and the valve body valve seat and the valve body are moved. 1. A sealing device for a valve shaft bearing in a butterfly valve, characterized in that the valve shaft or the valve body is provided with a member that comes into contact with the inner surface of the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9645283U JPS603379U (en) | 1983-06-22 | 1983-06-22 | Seal device for valve shaft bearing in butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9645283U JPS603379U (en) | 1983-06-22 | 1983-06-22 | Seal device for valve shaft bearing in butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS603379U true JPS603379U (en) | 1985-01-11 |
Family
ID=30229856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9645283U Pending JPS603379U (en) | 1983-06-22 | 1983-06-22 | Seal device for valve shaft bearing in butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS603379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013088933A1 (en) * | 2011-12-14 | 2013-06-20 | アイシン精機株式会社 | Air-tightness maintaining structure for butterfly valve |
-
1983
- 1983-06-22 JP JP9645283U patent/JPS603379U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013088933A1 (en) * | 2011-12-14 | 2013-06-20 | アイシン精機株式会社 | Air-tightness maintaining structure for butterfly valve |
| US9388747B2 (en) | 2011-12-14 | 2016-07-12 | Aisin Seiki Kabushiki Kaisha | Airtightness maintaining structure for butterfly valve |
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