JPS63177363U - - Google Patents
Info
- Publication number
- JPS63177363U JPS63177363U JP6901587U JP6901587U JPS63177363U JP S63177363 U JPS63177363 U JP S63177363U JP 6901587 U JP6901587 U JP 6901587U JP 6901587 U JP6901587 U JP 6901587U JP S63177363 U JPS63177363 U JP S63177363U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- circumferential surface
- ring packing
- casing
- 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
- 238000012856 packing Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Valve Housings (AREA)
Description
第１〜３図は、本考案の一実施例に係るバタフ
ライバルブを示し、第１図は概略正面図、第２図
は第１図の―線断面図、第３図は第１図の一
部断面左側面図である。
１……弁要部、１ａ……弁体、１ｂ……弁軸、
１ｃ……連結部材、１ｄ……貫通穴、１ｅ……オ
ネジ、１ｆ……メネジ、２……バルブケーシング
、３，４……分割ケーシング、３ａ，３ｂ，４ａ
，４ｂ……継手部、３ｃ……凹部、３ｄ……段付
部、４ｃ……凸部、４ｄ……段付部、５……リン
グパツキン、６……内周環状溝、７……ストツパ
ー部材、９……開閉式クランプ、９ａ，９ｂ……
アーム、１１……開閉操作レバー部材、１３……
クリツクボール、１４……スプリング、１６……
ボルト部材、１７……ナツト部材、１８……押え
部材、１９……スペーサー、２０……フランジ、
２１……架台、２２……レバーボス、２３……ク
リツク溝、２５……つなぎ板、２６……ピン、２
７……蝶ナツト、２８……ボルト、２９……ピン
、３０……Ｕ溝。
1 to 3 show a butterfly valve according to an embodiment of the present invention, in which FIG. 1 is a schematic front view, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. It is a left side view of a partial cross section. 1... Valve main part, 1a... Valve body, 1b... Valve stem,
1c...Connecting member, 1d...Through hole, 1e...Male thread, 1f...Female thread, 2...Valve casing, 3, 4...Divided casing, 3a, 3b, 4a
, 4b...Joint part, 3c...Concave part, 3d...Stepped part, 4c...Convex part, 4d...Stepped part, 5...Ring seal, 6...Inner circumferential annular groove, 7...Stopper Member, 9...Opening/closing type clamp, 9a, 9b...
Arm, 11... Opening/closing operation lever member, 13...
Click ball, 14... Spring, 16...
Bolt member, 17... Nut member, 18... Holding member, 19... Spacer, 20... Flange,
21... Frame, 22... Lever boss, 23... Click groove, 25... Connecting plate, 26... Pin, 2
7...wing nut, 28...bolt, 29...pin, 30...U groove.
Claims (1)
転軸中心線と偏心する弁軸１ｂを上記弁体１ａに
備えてなる弁要部１と、 上記弁要部１を回転可に支承して収納するバル
ブケーシング２と、 上記弁体１ａの外周面に対応したバルブケーシ
ング２の内周面に備えられたリングパツキン５と
を備え、閉弁時に、上記弁体１ａの外周面が上記
リングパツキン５の内周面に密に嵌合するように
したバタフライバルブのシール構造において、 上記バルブケーシング２は分割可に構成された
分割ケーシング３，４よりなり、２個の分割ケー
シング３，４の対面する各継手部３ａ，４ａ間の
内周面に上記リングパツキン５を備え、さらに、
該各継手部３ａ，４ａの外周に装着されて各継手
部３ａ，４ａを締結するリング状クランプ手段９
を備えていることを特徴とするバタフライバルブ
のシール構造。[Claims for Utility Model Registration] A valve main portion 1 comprising a generally disc-shaped valve body 1a, and a valve shaft 1b eccentric to the center line of the rotation axis of the valve body 1a; It comprises a valve casing 2 that rotatably supports and houses the valve main part 1, and a ring packing 5 provided on the inner peripheral surface of the valve casing 2 corresponding to the outer peripheral surface of the valve body 1a, and when the valve is closed, In the butterfly valve seal structure in which the outer circumferential surface of the valve body 1a is tightly fitted to the inner circumferential surface of the ring packing 5, the valve casing 2 is composed of split casings 3 and 4 that are configured to be divisible. , the ring packing 5 is provided on the inner circumferential surface between the facing joint parts 3a and 4a of the two divided casings 3 and 4, and further,
A ring-shaped clamp means 9 is attached to the outer periphery of each joint part 3a, 4a to fasten each joint part 3a, 4a.
A butterfly valve seal structure characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6901587U JPH0326354Y2 (en) | 1987-05-08 | 1987-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6901587U JPH0326354Y2 (en) | 1987-05-08 | 1987-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63177363U true JPS63177363U (en) | 1988-11-17 |
| JPH0326354Y2 JPH0326354Y2 (en) | 1991-06-07 |
Family
ID=30909364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6901587U Expired JPH0326354Y2 (en) | 1987-05-08 | 1987-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326354Y2 (en) |
-
1987
- 1987-05-08 JP JP6901587U patent/JPH0326354Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326354Y2 (en) | 1991-06-07 |