JPS6420506U - - Google Patents
Info
- Publication number
- JPS6420506U JPS6420506U JP11384687U JP11384687U JPS6420506U JP S6420506 U JPS6420506 U JP S6420506U JP 11384687 U JP11384687 U JP 11384687U JP 11384687 U JP11384687 U JP 11384687U JP S6420506 U JPS6420506 U JP S6420506U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- drive shaft
- case
- compression coil
- center
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案を適用した正作動型弁駆動装置
の要部断面図、第２図は本考案を適用した逆作動
型弁駆動装置の要部断面図、第３図は従来の正作
動型弁駆動装置の断面図、第４図は従来の逆作動
型弁駆動装置の断面図である。
２……ヨーク、４……ダイヤフラムケース、５
……ダイヤフラム、６……上室、７……下室、９
……駆動軸、１４……圧縮コイルばね、１６……
弁軸、２０……カラー、２１……リング、２２…
…ボルト。
Fig. 1 is a cross-sectional view of the main part of a direct-acting valve drive device to which the present invention is applied, Fig. 2 is a cross-sectional view of the main part of a reverse-acting valve drive device to which the present invention is applied, and Fig. 3 is a conventional direct-acting valve drive device. FIG. 4 is a sectional view of a conventional reverse action type valve drive device. 2...Yoke, 4...Diaphragm case, 5
...Diaphragm, 6...Upper chamber, 7...Lower chamber, 9
... Drive shaft, 14 ... Compression coil spring, 16 ...
Valve stem, 20... Collar, 21... Ring, 22...
…bolt.
Claims (1)
イヤフラムケースと、このダイヤフラムケースの
一室内に並列的に配置され前記ダイヤフラムを他
室内に供給される流体圧に対抗させる複数個の圧
縮コイルばねと、一端が前記ダイヤフラムの中心
部に連結され、他端が前記ダイヤフラムケースの
外部に突出して弁軸に連結された上下動自在な駆
動軸とを備えた弁駆動装置において、前記ダイヤ
フラムの中央で前記圧縮コイルばねが圧接される
側の面にカラーとリングを配置し、これら両部材
に挿通され前記駆動軸にねじ込まれるボルトによ
り該駆動軸と前記ダイヤフラムとを連結したこと
を特徴とする弁駆動装置。 a diaphragm case whose interior is defined into two chambers by a diaphragm; a plurality of compression coil springs arranged in parallel in one chamber of the diaphragm case to make the diaphragm counteract fluid pressure supplied to another chamber; and one end of the diaphragm case. is connected to the center of the diaphragm, and a vertically movable drive shaft whose other end protrudes outside the diaphragm case and is connected to the valve shaft, the compression coil being connected to the center of the diaphragm. A valve driving device characterized in that a collar and a ring are disposed on the surface on the side to which a spring is pressed, and the drive shaft and the diaphragm are connected by a bolt inserted through these members and screwed into the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11384687U JPS6420506U (en) | 1987-07-27 | 1987-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11384687U JPS6420506U (en) | 1987-07-27 | 1987-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6420506U true JPS6420506U (en) | 1989-02-01 |
Family
ID=31354050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11384687U Pending JPS6420506U (en) | 1987-07-27 | 1987-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6420506U (en) |
-
1987
- 1987-07-27 JP JP11384687U patent/JPS6420506U/ja active Pending