Title:
ガス栓のロック構造
Document Type and Number:
Japanese Patent JP6793393
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent inconvenience in which a lock screw (1) of a lock mechanism part (100) falls in a state where a gas valve is opened, in a lock structure of gas valve in which the lock mechanism part (100) is provided for locking an operation knob (2) in a rotation prevention state, in a state where the gas valve is closed.SOLUTION: At one of an operation know (2) and a cylindrical part (32) of a gas valve body (30), a lock screw accommodating screw hole (10) is provided and at the other, an engagement recess (11) is provided. On the depth side of one of the lock screw accommodating screw hole (10) and the engagement recess (11), an operation hole (13) whose diameter is smaller than one of them and which is capable of performing a screwing operation of a lock screw (1) is provided continuously. A flange part (12) is provided which has a screw receiving surface (12a) for holding the lock screw (1) screwed and accommodated in the lock screw accommodating screw hole (10) in a fall prevention state, in an open state of a gas valve.SELECTED DRAWING: Figure 3
Inventors:
Koudai Uemori
Kikuo Asano
Kikuo Asano
Application Number:
JP2016218341A
Publication Date:
December 02, 2020
Filing Date:
November 08, 2016
Export Citation:
Assignee:
Fujii Alloy Mfg. Co., Ltd.
International Classes:
F16K35/06; F16K5/00; F16K31/44; F16K35/00
Domestic Patent References:
| JP62134982U | ||||
| JP31385U | ||||
| JP5947179U | ||||
| JP1111886U | ||||
| JP2008291908A |
Attorney, Agent or Firm:
Eiji Miyazaki
Tomohiro Harada
Tomohiro Harada