JPS6375669U - - Google Patents
Info
- Publication number
- JPS6375669U JPS6375669U JP16668887U JP16668887U JPS6375669U JP S6375669 U JPS6375669 U JP S6375669U JP 16668887 U JP16668887 U JP 16668887U JP 16668887 U JP16668887 U JP 16668887U JP S6375669 U JPS6375669 U JP S6375669U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- gear
- built
- main valve
- support case
- 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
Landscapes
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Description
図面は本考案の実施例を示し、第１図は蝶形弁
構造の断面図、第２図はその一部の拡大断面図、
第３図は第２図の―線における断面図、第４
図は第２図の―線における断面図、第５図は
第２図の―線における断面図であり、第６図
は従来技術のバルブの断面図を示す。
Ａ……主弁、Ｂ……副弁、１……主弁軸、２…
…副弁軸、３……セグメントギヤ、４……主弁操
作軸、５……ウオームギヤ、６……ギヤケース、
７……固定インターナルギヤ、８……駆動インタ
ーナルギヤ、９……副弁操作軸、１０……インタ
ーナルピニオン。
The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view of a butterfly valve structure, and FIG. 2 is an enlarged sectional view of a part thereof.
Figure 3 is a sectional view taken along the - line in Figure 2;
The figure is a cross-sectional view taken along the line --- in FIG. 2, FIG. 5 is a cross-sectional view taken along the -- line in FIG. 2, and FIG. 6 is a cross-sectional view of a conventional valve. A...Main valve, B...Sub-valve, 1...Main valve shaft, 2...
... Sub-valve shaft, 3 ... Segment gear, 4 ... Main valve operation shaft, 5 ... Worm gear, 6 ... Gear case,
7...Fixed internal gear, 8...Drive internal gear, 9...Sub-valve operation shaft, 10...Internal pinion.
Claims (1)
Ａ，Ｂを同一軸心上の主弁軸１と副弁軸２とによ
り回動し開閉できるように枢支して構成する副弁
内蔵式蝶形弁において、弁箱１１の上部には、主
弁回動の減速機構を内蔵する支持ケース１７を設
け更にその上方には副弁Ｂ駆動の遊星歯車機構及
び減速機構を有するギヤケース６を設ける、上記
支持ケース１７には、主弁操作軸４により回動さ
せるウオームギヤ５と噛合する大きなセグメント
ギヤ３を設けるとともに、前記ウオームギヤ５を
設けた位置と相対する位置にセグメントギヤの背
面部３ａと当接して回動を規制するストツパー１
９，１９′を挿着してなる副弁内蔵式蝶形弁にお
ける両弁の開閉装置。 A sub-valve B is fitted in the center of the main valve A, and both valves A and B are pivotally supported by a main valve shaft 1 and a sub-valve shaft 2 on the same axis so that they can be opened and closed. In the butterfly valve with a built-in valve, a support case 17 containing a built-in deceleration mechanism for rotation of the main valve is provided above the valve box 11, and above the support case 17 is a gear case having a planetary gear mechanism and a deceleration mechanism for driving the auxiliary valve B. 6, the support case 17 is provided with a large segment gear 3 that meshes with a worm gear 5 rotated by the main valve operating shaft 4, and a rear portion of the segment gear is provided at a position opposite to the position where the worm gear 5 is provided. Stopper 1 that comes into contact with 3a to restrict rotation
An opening/closing device for both valves in a butterfly valve with a built-in auxiliary valve, which is formed by inserting 9 and 19'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166688U JPH0322596Y2 (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166688U JPH0322596Y2 (en) | 1987-10-29 | 1987-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6375669U true JPS6375669U (en) | 1988-05-20 |
| JPH0322596Y2 JPH0322596Y2 (en) | 1991-05-16 |
Family
ID=31097906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166688U Expired JPH0322596Y2 (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322596Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163092U (en) * | 1985-09-13 | 1986-04-28 |
-
1987
- 1987-10-29 JP JP1987166688U patent/JPH0322596Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163092U (en) * | 1985-09-13 | 1986-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0322596Y2 (en) | 1991-05-16 |