JPH0362270U - - Google Patents
Info
- Publication number
- JPH0362270U JPH0362270U JP12365289U JP12365289U JPH0362270U JP H0362270 U JPH0362270 U JP H0362270U JP 12365289 U JP12365289 U JP 12365289U JP 12365289 U JP12365289 U JP 12365289U JP H0362270 U JPH0362270 U JP H0362270U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- thickness
- outer circumferential
- spherical
- valve body
- 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 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
第１図ａは本考案の一実施例を示す弁体の正面
図、同図ｂは同図ａの−線断面図、同図ｃは
側面図、第２図は第１図ｂのＡ部の要部拡大断面
図、第３図ａ，ｂ及び第４図ａ，ｂは異つた弁体
の閉鎖時の作用説明図と弁体の要部断面図、第５
図は機械加工により面取りされた弁体の斜視図、
第６図は従来例を示す中心型バタフライ弁の断面
図である。
１０……弁体、１１……球形外周面部、１２…
…弁体中央部、１３……リブ、Ｔ１，Ｔ２，Ｔ３
……弁体の厚さ、Ｒ１，Ｒ２……弁体外周部の球
面半径。
Fig. 1a is a front view of a valve body showing an embodiment of the present invention, Fig. 1b is a sectional view taken along the line -A in Fig. 1, c is a side view, and Fig. 2 is a section A in Fig. 1b. Figures 3a, b and 4a, b are enlarged sectional views of the main parts of the valve body, and Figs.
The figure is a perspective view of a valve body chamfered by machining.
FIG. 6 is a sectional view of a conventional central butterfly valve. 10... Valve body, 11... Spherical outer peripheral surface portion, 12...
... Valve body central part, 13... Rib, T 1 , T 2 , T 3
... Thickness of the valve body, R 1 , R 2 ... Spherical radius of the outer periphery of the valve body.
Claims (1)
ングを張設し、弁閉時、周縁部を該シートリング
の内周面にくい込むようにしてシール作用させる
ようにした中心型バタフライ弁の弁体において、
外周面を球形に形成し、弁体中央部の厚さより該
球形外周面部の厚さを薄くすると共に、外周部に
、上記球形外周面部の厚さより厚く、且つ該厚く
した部分を前記球形外周面部の半径より小さい半
径の球面でつなげるように形成したリブを、厚さ
方向に膨出して一体に形成したことを特徴とする
中心型バタフライ弁の弁体。 In a valve body of a central butterfly valve, an elastic seat ring is stretched over the inner circumferential surface of a main body made of a rigid material, and when the valve is closed, the peripheral edge part is inserted into the inner circumferential surface of the seat ring to perform a sealing action.
The outer circumferential surface is formed into a spherical shape, and the thickness of the spherical outer circumferential surface is thinner than the thickness of the central portion of the valve body, and the outer circumference is thicker than the thickness of the spherical outer circumferential surface, and the thickened portion is formed as the spherical outer circumferential surface. A valve body for a central butterfly valve characterized by ribs formed so as to be connected by spherical surfaces having a radius smaller than the radius of , which bulge out in the thickness direction and are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123652U JP2507168Y2 (en) | 1989-10-24 | 1989-10-24 | Central butterfly valve disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123652U JP2507168Y2 (en) | 1989-10-24 | 1989-10-24 | Central butterfly valve disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0362270U true JPH0362270U (en) | 1991-06-18 |
| JP2507168Y2 JP2507168Y2 (en) | 1996-08-14 |
Family
ID=31671618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989123652U Expired - Fee Related JP2507168Y2 (en) | 1989-10-24 | 1989-10-24 | Central butterfly valve disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507168Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4713971B2 (en) * | 2005-07-26 | 2011-06-29 | 東洋バルヴ株式会社 | Butterfly valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044521A (en) * | 1973-08-27 | 1975-04-22 | ||
| JPS53122935A (en) * | 1977-04-04 | 1978-10-26 | Yoshio Arai | Butterfly form valve body |
| JPS54154426U (en) * | 1978-04-20 | 1979-10-26 | ||
| JPS56176062U (en) * | 1980-05-31 | 1981-12-25 | ||
| JPS58225275A (en) * | 1982-06-18 | 1983-12-27 | ケロテスト・マニユフアクチユアリング・コ−ポレイシヨン | Plastic valve and its operating device |
| JPS6064824U (en) * | 1983-10-12 | 1985-05-08 | 科研工業株式会社 | butterfly valve |
| JPS62131166U (en) * | 1986-02-13 | 1987-08-19 | ||
| JPS643160U (en) * | 1987-06-26 | 1989-01-10 |
-
1989
- 1989-10-24 JP JP1989123652U patent/JP2507168Y2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5044521A (en) * | 1973-08-27 | 1975-04-22 | ||
| JPS53122935A (en) * | 1977-04-04 | 1978-10-26 | Yoshio Arai | Butterfly form valve body |
| JPS54154426U (en) * | 1978-04-20 | 1979-10-26 | ||
| JPS56176062U (en) * | 1980-05-31 | 1981-12-25 | ||
| JPS58225275A (en) * | 1982-06-18 | 1983-12-27 | ケロテスト・マニユフアクチユアリング・コ−ポレイシヨン | Plastic valve and its operating device |
| JPS6064824U (en) * | 1983-10-12 | 1985-05-08 | 科研工業株式会社 | butterfly valve |
| JPS62131166U (en) * | 1986-02-13 | 1987-08-19 | ||
| JPS643160U (en) * | 1987-06-26 | 1989-01-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4713971B2 (en) * | 2005-07-26 | 2011-06-29 | 東洋バルヴ株式会社 | Butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507168Y2 (en) | 1996-08-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |