JPH0258174U - - Google Patents
Info
- Publication number
- JPH0258174U JPH0258174U JP13666588U JP13666588U JPH0258174U JP H0258174 U JPH0258174 U JP H0258174U JP 13666588 U JP13666588 U JP 13666588U JP 13666588 U JP13666588 U JP 13666588U JP H0258174 U JPH0258174 U JP H0258174U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- lining material
- core metal
- groove
- 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
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第1図及び第2図は本考案の第1及び第2の両
実施例を示す弁体芯金の各正面図、第3図及び第
4図は本考案の第3及び第4の両実施例を示す弁
体芯金の各平面図、第5図は弁体と弁棒接合部の
要部断面図、第6図は第2図の―線による要
部断面図、第7図は第1図の―線による要部
断面図、第8図は従来例を示す弁体芯金の正面図
、第9図は第8図の―線による要部断面図、
第10図は第8図の弁体と弁棒接合部の要部断面
図である。
1…弁体、1a…弁体エツジ部、1b…軸シー
ル部、1c…芯金の端面、2…芯金、3…弁棒、
4…ライニング材、11,12…溝、21,22
…穴。
1 and 2 are front views of the valve body core bar showing both the first and second embodiments of the present invention, and FIGS. 3 and 4 show both the third and fourth embodiments of the present invention. Each plan view of the valve body core showing an example, FIG. 5 is a sectional view of the main part of the valve body and valve stem joint, FIG. 6 is a sectional view of the main part taken along the line - in FIG. 2, and FIG. FIG. 8 is a front view of a valve body core showing a conventional example; FIG. 9 is a sectional view of essential parts taken along line - in FIG. 8;
FIG. 10 is a sectional view of a main part of the valve body and valve stem joint portion of FIG. 8. DESCRIPTION OF SYMBOLS 1... Valve body, 1a... Valve body edge part, 1b... Shaft seal part, 1c... End surface of core metal, 2... Core metal, 3... Valve stem,
4... Lining material, 11, 12... Groove, 21, 22
…hole.
Claims (1)
たライニング弁体を備えたバタフライ弁において
、上記弁体の芯金の表面に、ライニング材に発生
した応力を吸収する穴又は溝を設けたことを特徴
とするバタフライ弁の弁体。 2 弁体の芯金の表面に、弁体エツジ部にほぼ平
行に、ライニング材に発生した応力を吸収する溝
又は多数の穴を設けたことを特徴とする請求項1
記載のバタフライ弁の弁体。 3 弁棒と接合される弁体端部の芯金の端面に、
弁棒と同心状にライニング材に発生した応力を吸
収する溝又は多数の穴を設けたことを特徴とする
請求項1又は2記載のバタフライ弁の弁体。[Scope of Claim for Utility Model Registration] 1. In a butterfly valve equipped with a lining valve body in which the core metal of the valve body is covered with a lining material such as resin, the stress generated in the lining material is applied to the surface of the core metal of the valve body. A valve body for a butterfly valve characterized by having a hole or groove for absorption. 2. Claim 1, wherein a groove or a large number of holes are provided on the surface of the core metal of the valve body, substantially parallel to the edge of the valve body, to absorb stress generated in the lining material.
Valve body of the butterfly valve described. 3. On the end surface of the core metal at the end of the valve body that is joined to the valve stem,
3. The valve body for a butterfly valve according to claim 1, further comprising a groove or a plurality of holes provided in the lining material concentrically with the valve stem to absorb stress generated in the lining material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13666588U JPH0258174U (en) | 1988-10-21 | 1988-10-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13666588U JPH0258174U (en) | 1988-10-21 | 1988-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0258174U true JPH0258174U (en) | 1990-04-26 |
Family
ID=31397384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13666588U Pending JPH0258174U (en) | 1988-10-21 | 1988-10-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0258174U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021132712A1 (en) * | 2019-12-27 | 2021-07-01 | 株式会社キッツ | Lined butterfly valve, and method for manufacturing lined butterfly valve |
-
1988
- 1988-10-21 JP JP13666588U patent/JPH0258174U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021132712A1 (en) * | 2019-12-27 | 2021-07-01 | 株式会社キッツ | Lined butterfly valve, and method for manufacturing lined butterfly valve |
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