Title:
CONTROL VALVE DEVICE
Document Type and Number:
Japanese Patent JP2022056652
Kind Code:
A
Abstract:
To ensure safety of work by opening/closing an on-off valve which is provided in a high-place installed control valve device with one-hand operation.SOLUTION: A control valve device is functioned as e.g., a deluge valve, and on-off valves of the same structure are provided in an inflow port and an outflow port of a valve body 12 which opens/closes an internal passage. In an on-off valve 30 at the side of the outflow port, an operation portion for opening/closing in a tip end of a valve stem 34 is provided while protruding to the lower outside of the valve body 12, and an opening/closing operation mechanism 38 is provided in the operation portion of the valve stem 34. The opening/closing operation mechanism 38 enables the valve stem 34 to open/close the on-off valve 30 by moving a lock member 60 at a lock position to an unlock position by fitting a tool such as a spanner to a two-face parallel part 54 formed in the operation portion of the valve stem 34.SELECTED DRAWING: Figure 2
Inventors:
TONOMURA TOSHIAKI
Application Number:
JP2020164512A
Publication Date:
April 11, 2022
Filing Date:
September 30, 2020
Export Citation:
Assignee:
HOCHIKI CO
International Classes:
F16K35/02; A62C35/68; F16K31/44
Attorney, Agent or Firm:
Takeuchi Susumu