Title:
VALVE BODY UNIT, EXHAUST VALVE DEVICE, DEVICE FOR FIXING EXHAUST VALVE TO LID BODY, AND STRUCTURE FOR FIXING EXHAUST VALVE TO LID BODY
Document Type and Number:
Japanese Patent JP2020180707
Kind Code:
A
Abstract:
To provide an exhaust valve device which can be installed to a lid body without preparing a special lid body.SOLUTION: An exhaust valve device comprises: a valve body unit 10; and a unit fixing member 30 for fixing the valve body unit 10 to a through hole of a lid body 50 which closes an upper opening of a standing pipe 58 connected to a drain duct line. The unit fixing member 30 includes: an outer covering cylindrical body 31 which is inserted into the through hole and in which the valve body unit 10 may be arranged; an engagement part which protrudes outward from one end of the outer covering cylindrical body 31 and is engaged with a peripheral edge of the through hole of the lid body 50; and a fixed part which is fixed to the through hole of the lid body 50 at an attitude set when the unit fixing member 30 is engaged at the engagement part. The fixed part includes a fixed nut 41 which is threadedly engaged with a screw part 34, formed at the outer covering cylindrical body 31, at the lower surface side of the lid body 50 to sandwich the lid body 50 with the engagement part.SELECTED DRAWING: Figure 5
Inventors:
MATSUDA SHOHEI
Application Number:
JP2020137197A
Publication Date:
November 05, 2020
Filing Date:
August 16, 2020
Export Citation:
Assignee:
MIRAI IND
International Classes:
F16K24/04
Domestic Patent References:
| JP2015169214A | 2015-09-28 | |||
| JP2009105205A | 2009-05-14 | |||
| JP2012087467A | 2012-05-10 | |||
| JPH09328793A | 1997-12-22 | |||
| JP2013144899A | 2013-07-25 |
Attorney, Agent or Firm:
Kenichi Uno
Kiyoshi Kojima
Kiyoshi Kojima