JPS6356362U - - Google Patents
Info
- Publication number
- JPS6356362U JPS6356362U JP15038386U JP15038386U JPS6356362U JP S6356362 U JPS6356362 U JP S6356362U JP 15038386 U JP15038386 U JP 15038386U JP 15038386 U JP15038386 U JP 15038386U JP S6356362 U JPS6356362 U JP S6356362U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve stem
- box
- valve box
- supported
- 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
- 230000000149 penetrating effect Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例に係るバタフライバ
ルブを示す一部切断断面図、第２図は第１図の要
部拡大断面図、第３図はバタフライバルブを示す
正面図、第４図は従来例に係るバタフライバルブ
を示す一部切断断面図、第５図は従来のバタフラ
イバルブにおいて弁棒が飛出す状態を示す断面図
である。
１０……バタフライバルブ、１１……弁箱、１
１Ａ……上支持孔部、１１Ｂ……下支持孔部、１
２……シートリング、１３……弁棒、１３Ａ……
上軸部、１４……弁体、１５……操作部、１６…
…Ｏリング、１７……Ｏリング装着溝、２０……
係止溝、２１……ねじ孔、２２……ねじ。
Fig. 1 is a partially cutaway sectional view showing a butterfly valve according to an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, Fig. 3 is a front view showing the butterfly valve, and Fig. 4 5 is a partially cutaway sectional view showing a conventional butterfly valve, and FIG. 5 is a sectional view showing a state in which the valve stem protrudes from the conventional butterfly valve. 10...Butterfly valve, 11...Valve box, 1
1A... Upper support hole, 11B... Lower support hole, 1
2... Seat ring, 13... Valve stem, 13A...
Upper shaft portion, 14...valve body, 15...operation section, 16...
...O-ring, 17...O-ring mounting groove, 20...
Locking groove, 21...screw hole, 22...screw.
Claims (1)
弁箱の上支持孔部に貫通状態で支持されるととも
に、シートリングを貫通し、弁箱の非貫通状下支
持孔部に支持され、弁箱の上支持孔部に支持され
る上軸部にＯリングが装着されてなる弁棒と、弁
棒の中間部に装着されてシートリングの内部に配
置され、弁棒の回転とともに回転して弁箱内の流
体通路を開閉する弁体と、弁箱に取着され、弁棒
の上端部に結合して該弁棒を回転操作する操作部
とを有してなるバタフライバルブにおいて、弁棒
のＯリング装着部より上端部側に環状係止溝を設
け、弁箱の上記係止溝に相対する部位にねじ孔を
設け、ねじ孔に螺着したねじの先端部を上記係止
溝の内部に突出させてなることを特徴とするバタ
フライバルブ。 A valve box, a seat ring installed in the valve box,
An upper shaft part that is supported in a penetrating state in the upper support hole of the valve box, passes through the seat ring, is supported in the non-penetrating lower support hole of the valve box, and is supported by the upper support hole of the valve box. a valve stem having an O-ring attached thereto; a valve body that is attached to an intermediate portion of the valve stem and placed inside a seat ring, and rotates with rotation of the valve stem to open and close a fluid passage in the valve box; In a butterfly valve that is attached to a valve body and has an operating part that is coupled to an upper end of a valve stem and rotates the valve stem, an annular lock is provided on the upper end side of the O-ring mounting part of the valve stem. A butterfly valve characterized in that a groove is provided, a screw hole is provided in a portion of the valve body opposite to the locking groove, and the tip of the screw screwed into the screw hole projects into the inside of the locking groove. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15038386U JPH032773Y2 (en) | 1986-09-30 | 1986-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15038386U JPH032773Y2 (en) | 1986-09-30 | 1986-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6356362U true JPS6356362U (en) | 1988-04-15 |
| JPH032773Y2 JPH032773Y2 (en) | 1991-01-24 |
Family
ID=31066477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15038386U Expired JPH032773Y2 (en) | 1986-09-30 | 1986-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032773Y2 (en) |
-
1986
- 1986-09-30 JP JP15038386U patent/JPH032773Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032773Y2 (en) | 1991-01-24 |