| 摘要 |
A check valve (10) is provided with: a plate-shaped valve seat member (21) having a fluid exhaust port (15); a plate-shaped valve body (22) for opening and closing the exhaust port (15), the valve body (22) being provided downstream of the valve seat member (21); a coil spring (23) for urging the valve body (22) toward the exhaust port (15), the coil spring being provided downstream of the valve body (22); a spring-receiving member (24) for receiving the coil spring (23), the spring-receiving member (24) being provided downstream of the coil spring (23) for the coil spring (23); and a plurality of guide rods (25) for guiding the valve body (22) in the upstream/downstream direction, the guide rods (25) being provided around the valve body (22) and being formed so as to extend in the upstream/downstream direction, the downstream-side end parts of the guide rods (25) being attached to the spring-receiving member (24) . |
