A kind of gas distribution plate gasket construction improvement of air cushion,It includes have: a valve body,One gas distribution plate and three liners,And the valve body system sets in fixed form,And gas distribution plate is then linked with the motor spindle of feeder,Enable gas distribution plate to be driven together in central axis to rotate,In order to to valve body generate into,The adjusting of exhaust,Again using the first ring edge,Second ring edge and third ring edge provide a liner inlay card respectively,System can form excellent only close effect between valve body and gas distribution plate,In order to avoiding valve body gas leakage when in use,The higher person of the confidence level used.一種氣墊之配氣盤襯墊結構改良，其包含有：一閥體、一配氣盤與三襯墊，且該閥體係設呈固定式之形態，而配氣盤則與供氣裝置之馬達心軸進行連結，使配氣盤能在心軸轉動時被一併帶動旋轉，俾用以對閥體產生進、排氣之調節，又利用第一環緣、第二環緣與第三環緣分別提供一襯墊嵌卡，係能在閥體與配氣盤間形成絕佳之止密效果，俾避免閥體在使用時漏氣，使用的可信度更高者。
