| 摘要 |
In a refrigerant circuit component such as a pressure-sensitive device (pressure switch, pressure sensor, etc.) or valve device, the present invention projection-welds a connector (1) to a cap member (2) and prevents intrusion of spatter into a refrigerant circuit. An A-cylinder section (1a) in which an inside hole (1A) of the connector (1) is open is inserted in an inside hole (2A) formed in the center of the cap member (2). The area between the A-cylinder section (1a) and a projection (11d) of the connector (1) is used as a spatter generation space (²). The projection (11d) of the connector (1) abuts against the cap member (2) and is projection-welded to form a welded part (±). The open end (1A1) of the inside hole (1A) of the A-cylinder section (1a) is crimped to pressure-join the open end (1A1) to the open end (2A1) of the inside hole (2A) of the cap member (2). Spatter is sealed inside the spatter generation space (²). A portion of the surface layer to which the generated spatter adheres may be removed by machining to provide a spatter-removed structure. |
