Title:
METER JOINT STRUCTURE
Document Type and Number:
Japanese Patent JP2022097197
Kind Code:
A
Abstract:
To provide a meter joint structure capable of improving workability by preventing corotation during installation.SOLUTION: A meter joint structure includes: a gas pipe outflow part 3a and a gas pipe inflow part 4a having union nuts 8a, 9a respectively provided rotatable relative to the gas pipe ends 3a, 4a; a meter inflow part 43 and a meter outflow part 44 along the outer peripheries of which first annular screw parts 43a, 44a are respectively formed screwable with the union nuts 8a, 9a; cylindrical bodies on one ends of which second annular screw parts 11, 21 are respectively provided screwable with the union nuts 8a, 9a, and into the other ends of which joint nuts are respectively inserted screwable with the first annular screw parts; and a corotation prevention mechanism capable of maintaining a corotation prevention state where the cylindrical bodies are prevented from rotating together with the union nuts at least when the union nuts are screwed to the second annular screw parts.SELECTED DRAWING: Figure 2
Inventors:
OCHI TAKESHI
Application Number:
JP2020210640A
Publication Date:
June 30, 2022
Filing Date:
December 18, 2020
Export Citation:
Assignee:
OSAKA GAS CO LTD
International Classes:
G01F3/22; G01F1/00; G01F15/18
Attorney, Agent or Firm:
Patent business corporation r&c
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