| 摘要 |
PURPOSE: A valve mechanism for flowing fluid is provided to enhance the flow efficiency of fluid by maximizing the diameter of a fluid path and minimizing the size of a valve body. CONSTITUTION: A valve mechanism(30) adopts structure of mounting a port(25) in the center of an inner path(20) of a body(10). The port obtains sufficient left and right spaces with the optimum diameter of the inner path corresponding to the size of the same body. The structure is obtained for the mounting position of the port does not influence the formation of connecting flanges(11) at both sides of the body. The flow efficiency of fluid is improved by the maximized diameter of the inner path. In addition, maximizing the diameter of the inner path is done at the maximum size of the body. Thereby, the manufacturing costs of the body are cut down and a sufficient space for equipment is obtained. When the valve mechanism is opened, the inner path is opened and fluid is fed to a drain hole(22) of the inner path through a guide sieve(29) and a guide hole(26b) of the port. In the guide hole of the port, a rotational force is applied to the fluid by plural inclined ribs(26a). The fluid is supplied smoothly without leaking in the port.
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