JPS6474373A - Valve driving device - Google Patents

Valve driving device

Info

Publication number
JPS6474373A
JPS6474373A JP22852087A JP22852087A JPS6474373A JP S6474373 A JPS6474373 A JP S6474373A JP 22852087 A JP22852087 A JP 22852087A JP 22852087 A JP22852087 A JP 22852087A JP S6474373 A JPS6474373 A JP S6474373A
Authority
JP
Japan
Prior art keywords
driving shaft
fastening
diaphragm
fastening member
edge part
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
Application number
JP22852087A
Other languages
Japanese (ja)
Inventor
Hidetaka Kato
Susumu Sakata
Shigehiro Kawai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Azbil Corp
Original Assignee
Azbil Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Azbil Corp filed Critical Azbil Corp
Priority to JP22852087A priority Critical patent/JPS6474373A/en
Publication of JPS6474373A publication Critical patent/JPS6474373A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Driven Valves (AREA)

Abstract

PURPOSE:To allow a reaction force of a fastening force to directly act from a driving shaft to a fastening member by allowing one of the plates for nipping a diaphragm to be provided with a step part which contacts through a spring seat metal. CONSTITUTION:A driving shaft 31 which advances and retreats in the vertical direction is inserted and fixed at the center part of a diaphragm 7, and a controlled body is connected at the edge part on the opposite side to the insertion edge part. At the insertion edge part of the driving shaft 31, a diaphragm plate 35 and a pressing plate 36 are fixed on the driving shaft 31 by a bolt 33, and a spring seat metal 37 is springily installed between the pressing plate 36 and the head part 33a of the bolt 33. Therefore, the reaction force of the fastening force generated by the fastening of a fastening member in assembly directly acts onto the fastening member from the driving shaft 31.
JP22852087A 1987-09-14 1987-09-14 Valve driving device Pending JPS6474373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22852087A JPS6474373A (en) 1987-09-14 1987-09-14 Valve driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22852087A JPS6474373A (en) 1987-09-14 1987-09-14 Valve driving device

Publications (1)

Publication Number Publication Date
JPS6474373A true JPS6474373A (en) 1989-03-20

Family

ID=16877710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22852087A Pending JPS6474373A (en) 1987-09-14 1987-09-14 Valve driving device

Country Status (1)

Country Link
JP (1) JPS6474373A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000161530A (en) * 1998-09-17 2000-06-16 Valmet Autom Oy Inflow port diaphragm structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000161530A (en) * 1998-09-17 2000-06-16 Valmet Autom Oy Inflow port diaphragm structure

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