JPS62122904U - - Google Patents
Info
- Publication number
- JPS62122904U JPS62122904U JP977886U JP977886U JPS62122904U JP S62122904 U JPS62122904 U JP S62122904U JP 977886 U JP977886 U JP 977886U JP 977886 U JP977886 U JP 977886U JP S62122904 U JPS62122904 U JP S62122904U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- shaft
- valve positioner
- axial direction
- drive shaft
- 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
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000008713 feedback mechanism Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Servomotors (AREA)
Description
第１図ないし第６図は本考案に係るバルブポジ
シヨナの実施例を示し、第１図はその一部破断正
面図、第２図は第１図のＡＡ断面図、第３図ａは
動作を説明するために示すプレート近傍の正面図
、第３図ｂは同じく平面図、第４図ａ，ｂは正作
動型と逆作動型との切替動作を説明するために示
すプレート近傍の正面図、第５図ａ，ｂはそれぞ
れ本考案の他の実施例を示すプレート近傍の正面
図、第６図は入力信号と駆動部ストロークとの関
係線図、第７図は従来のバルブポジシヨナの概要
構成図、第８図は同じく正作動型バルブポジシヨ
ナの概要構成図、第９図は同じく逆作動型バルブ
ポジシヨナの概要構成図である。
３３……弁駆動軸、３４……ケース、３５……
ノズルフラツパ機構、３８……フラツパ、４４…
…ノズル背圧孔、４５……パイロツトリレー、４
６……供給空気孔、４７……出力空気孔、４８…
…配管、４９……レバー軸、５１……レバー、５
３……取付板、５４，５５……ボルト、５６……
長孔、５７，５７Ａ，５７Ｂ……プレート、５８
……フイードバツク軸、５９……隔壁、６２……
ころ、６４……圧縮コイルばね。
1 to 6 show an embodiment of the valve positioner according to the present invention, FIG. 1 is a partially cutaway front view thereof, FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3a explains the operation. FIG. 3b is a plan view as well, and FIGS. 4a and 4b are front views of the vicinity of the plate shown to explain the switching operation between the direct action type and the reverse action type. 5a and 5b are front views of the vicinity of the plate showing other embodiments of the present invention, FIG. 6 is a relationship diagram between input signals and drive stroke, and FIG. 7 is a schematic configuration diagram of a conventional valve positioner. FIG. 8 is a schematic configuration diagram of a direct-acting valve positioner, and FIG. 9 is a schematic diagram of a reverse-acting valve positioner. 33... Valve drive shaft, 34... Case, 35...
Nozzle flapper mechanism, 38... flapper, 44...
...Nozzle back pressure hole, 45...Pilot relay, 4
6... Supply air hole, 47... Output air hole, 48...
...Piping, 49...Lever shaft, 51...Lever, 5
3...Mounting plate, 54, 55...Bolt, 56...
Long hole, 57, 57A, 57B...Plate, 58
...Feedback axis, 59...Bulkhead, 62...
Roller, 64... Compression coil spring.
Claims (1)
ラツパ機構へフイードバツクするフイードバツク
機構を備えたバルブポジシヨナにおいて、前記弁
駆動軸の進退により回動する中間軸を設け、この
中間軸の端部に軸心に対する傾斜面を有しその傾
斜角度と傾斜方向とを変更可能なプレートを固定
するとともに、このプレートの傾斜面と前記ノズ
ルフラツパ機構のフラツパとの間に、軸方向へ進
退自在なフイードバツク軸と、このフイードバツ
ク軸を軸方向に弾発する圧縮ばねとを同軸線上に
介装したことを特徴とするバルブポジシヨナ。 In a valve positioner equipped with a feedback mechanism that feeds back the momentum of the valve drive shaft to the nozzle flapper mechanism via a transmission member, an intermediate shaft is provided that rotates as the valve drive shaft advances and retreats, and the end of the intermediate shaft is inclined with respect to the axis. A plate having a surface whose inclination angle and direction can be changed is fixed, and a feedback shaft movable in the axial direction is provided between the inclined surface of the plate and the flapper of the nozzle flapper mechanism; A valve positioner characterized in that a compression spring that springs in the axial direction is interposed on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP977886U JPS62122904U (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP977886U JPS62122904U (en) | 1986-01-27 | 1986-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62122904U true JPS62122904U (en) | 1987-08-04 |
Family
ID=30795413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP977886U Pending JPS62122904U (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62122904U (en) |
-
1986
- 1986-01-27 JP JP977886U patent/JPS62122904U/ja active Pending
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