JPH0372163U - - Google Patents
Info
- Publication number
- JPH0372163U JPH0372163U JP13397089U JP13397089U JPH0372163U JP H0372163 U JPH0372163 U JP H0372163U JP 13397089 U JP13397089 U JP 13397089U JP 13397089 U JP13397089 U JP 13397089U JP H0372163 U JPH0372163 U JP H0372163U
- Authority
- JP
- Japan
- Prior art keywords
- butterfly valve
- valve according
- boss portion
- annular
- spherical
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図は、本考案のバタフライバルブの１実施
例を示す半截斜視図であり、第２図は、第１図の
一部を示す部分縦断面図である。また、第３図乃
至第８図は、本考案のバタフライバルブのシート
リングのボス部の実施態様を示す部分縦断面図で
あり、第９図及び第１０図は、ボデーの嵌入孔の
実施態様を示す部分縦断面図であり、第１１図は
、第９図及び第１０図に示した嵌入孔にボス部を
挿入するシートリングの部分縦断面図である。
１……ボデー、１ａ……内周面、１ｂ……弁軸
孔、１ｃ……嵌入孔、１ｄ……底面、２……シー
トリング、２ａ……貫通孔、２ｂ……ボス部、２
ｃ……端面、２ｄ……外周面、２ｅ……内周面、
２ｆ……環状突起、３……弁軸、４……弁板、５
……バタフライバルブ。
FIG. 1 is a half-cut perspective view showing one embodiment of the butterfly valve of the present invention, and FIG. 2 is a partial vertical sectional view showing a part of FIG. 1. Further, FIGS. 3 to 8 are partial longitudinal cross-sectional views showing embodiments of the boss portion of the seat ring of the butterfly valve of the present invention, and FIGS. 9 and 10 show embodiments of the insertion hole of the body. FIG. 11 is a partial longitudinal sectional view of the seat ring in which the boss portion is inserted into the insertion hole shown in FIGS. 9 and 10. FIG. DESCRIPTION OF SYMBOLS 1...Body, 1a...Inner peripheral surface, 1b...Valve stem hole, 1c...Fitting hole, 1d...Bottom surface, 2...Seat ring, 2a...Through hole, 2b...Boss portion, 2
c... end face, 2d... outer peripheral surface, 2e... inner peripheral surface,
2f... Annular projection, 3... Valve shaft, 4... Valve plate, 5
...Butterfly valve.
Claims (1)
で形成した環状シートリングを装着したバタフラ
イバルブであつて、該シートリングの弁軸が貫通
する貫通孔の周りに外方に突出し該ボデーに形成
した嵌入孔に嵌入する円筒形のボス部を形成した
ことを特徴とするバタフライバルブ。 (2) 該ボス部の端面を凸状の円錐面又は球面に
した請求項１記載のバタフライバルブ。 (3) 該ボス部の端面を凹状の円錐面又は球面に
した請求項１記載のバタフライバルブ。 (4) 該ボス部の端面を環状平面にし、該環状平
面に同心の環状突起を設けた請求項１記載のバタ
フライバルブ。 (5) 該ボス部の外周面に環状突起を設けた請求
項１記載のバタフライバルブ。 (6) 該ボス部の内周面に環状突起を設けた請求
項１記載のバタフライバルブ。 (7) 該貫通孔の端面に近い部分を端面に向かつ
て円錐面状又は球面状に縮径した請求項１記載の
バタフライバルブ。 (8) 該嵌入孔の底面を凸状の円錐面又は球面に
した請求項１記載のバタフライバルブ。 (9) 該嵌入孔の底面を凹状の円錐面又は球面に
した請求項１記載のバタフライバルブ。[Scope of Claim for Utility Model Registration] (1) A butterfly valve having an annular seat ring formed of an elastic material such as rubber on the inner peripheral surface of an annular body, which has a through hole through which the valve stem of the seat ring passes. A butterfly valve characterized in that a cylindrical boss portion is formed around the periphery of the body and protrudes outward and fits into a fitting hole formed in the body. (2) The butterfly valve according to claim 1, wherein the end surface of the boss portion is a convex conical surface or a spherical surface. (3) The butterfly valve according to claim 1, wherein the end surface of the boss portion is a concave conical surface or a spherical surface. (4) The butterfly valve according to claim 1, wherein the end face of the boss portion is an annular plane, and a concentric annular protrusion is provided on the annular plane. (5) The butterfly valve according to claim 1, wherein an annular projection is provided on the outer peripheral surface of the boss portion. (6) The butterfly valve according to claim 1, wherein an annular projection is provided on the inner peripheral surface of the boss portion. (7) The butterfly valve according to claim 1, wherein a portion of the through hole near the end face is reduced in diameter to a conical or spherical shape toward the end face. (8) The butterfly valve according to claim 1, wherein the bottom surface of the insertion hole is a convex conical surface or a spherical surface. (9) The butterfly valve according to claim 1, wherein the bottom surface of the insertion hole is a concave conical surface or a spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133970U JP2536486Y2 (en) | 1989-11-20 | 1989-11-20 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133970U JP2536486Y2 (en) | 1989-11-20 | 1989-11-20 | Butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0372163U true JPH0372163U (en) | 1991-07-22 |
| JP2536486Y2 JP2536486Y2 (en) | 1997-05-21 |
Family
ID=31681350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989133970U Expired - Fee Related JP2536486Y2 (en) | 1989-11-20 | 1989-11-20 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536486Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738962U (en) * | 1980-08-15 | 1982-03-02 | ||
| JPS59174458U (en) * | 1983-05-10 | 1984-11-21 | 東洋バルヴ株式会社 | Butterfly valve shaft sealing device |
| JPS6364969U (en) * | 1986-10-16 | 1988-04-28 |
-
1989
- 1989-11-20 JP JP1989133970U patent/JP2536486Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738962U (en) * | 1980-08-15 | 1982-03-02 | ||
| JPS59174458U (en) * | 1983-05-10 | 1984-11-21 | 東洋バルヴ株式会社 | Butterfly valve shaft sealing device |
| JPS6364969U (en) * | 1986-10-16 | 1988-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536486Y2 (en) | 1997-05-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |