| 摘要 |
A securing and leakage prevention mechanism of filter tube includes a filter inside, an inlet and an outlet at one end, a separated tube cover on the top, and is fixed with the tube cover by a securing ring. It is characterized in: the bottom edge of tube cover has wrapped portion outward expanding and downward extending to the bottom and connected with the plate rim of tube body, which forms a safety barricade capable of preventing outward protrusion of seal ring. The exterior surface of wrapped portion and the interior surface of securing ring form a joint curve surface, thus substantial securing and fixing and leakage prevention can be achieved.
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