Title:
弁装置
Document Type and Number:
Japanese Patent JP6790317
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a valve device which restricts burrs occurring during welding between a first member and a second member from entering into a valve chamber.SOLUTION: A valve device 10 has a housing 15 having a first member 20 and a second member 40. A first joint part 30 and a second joint part 50 are respectively formed at the first member 20 and the second member 40. An annular recessed part 31 is formed at the first joint part 30 and an annular protruding part 51 is formed at the second joint part 50. An outer wall part 32 and an inner wall part 33 are disposed in the annular recessed part 31. The annular protruding part 51 is welded to the outer wall part 32, is disposed separated from the inner wall part 33, and is formed with a passage 60 communicating with a valve chamber V. An annular restriction member which restricts welding burrs from entering into the valve chamber V is disposed between the annular recessed part 31 and the annular protruding part 51 in the middle of the passage 60.SELECTED DRAWING: Figure 6
Inventors:
Hitoshi Furuya
Kazuki Yajima
Kazuki Yajima
Application Number:
JP2016227768A
Publication Date:
November 25, 2020
Filing Date:
November 24, 2016
Export Citation:
Assignee:
Piolux Co., Ltd.
International Classes:
F16K27/10
Domestic Patent References:
| JP2016041963A | ||||
| JP2003343492A | ||||
| JP2003240143A |
Attorney, Agent or Firm:
Shigeru Matsui