| 摘要 |
PURPOSE: A large volume water hammering cushion is provided to improve endurance by employing a thick elastic membrane and to simply assemble the elastic membrane through the top opening. CONSTITUTION: A large volume water hammering cushion comprises a body(1), an elastic membrane(2), and a cover(3). The body includes an outer cylinder(11), a joint(12), a protective plate(13), a cover coupling flange(14), and a fastening bolt(15). The protective plate with a water flow hole(131) protects the elastic membrane. The fastening bolt is attached to the cover coupling flange. The elastic membrane is formed out of an elastic material in the shape of cup and coupled to the cover coupling flange. The cover with a plurality of holes and air inlets(31) is connected to the top of body with the fastening bolt.
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