A kind of respiratory auxiliary system, comprising one to wear on what human body and one end lateral surface is equipped with the coiled pipe of a positioning seat being connected with wearing unit, a pivoting unit, one with pivoting unit, one is connected with coiled pipe and the outlet cell of supplied gas output and the gas export extraneous air supply source input the transfer tube of coiled pipe. The fluted disc face that there are positioning seat a both ends what one end of the channel outside is set in the channel and a ring of open shape. The pivoting unit include one with engage the rotating seat of the what positioning seat, one set elastic element in the channel of what positioning seat and one penetrated by the channel other end and by the screw lock element of elastic element and rotating seat phase screw lock. Thereby provide that stabilized structure, easy to assembly, ease of use is good, and gas supply is stablized and then can be improved usage comfort and other effects.一種呼吸輔助裝置，包含一用以配戴於人體上且一端外側面設有一定位座之配戴單元、一樞轉單元、一與樞轉單元相連接之蛇管、一與蛇管相連接且供氣體輸出之出氣單元，以及一用以使外界供氣源所輸出的氣體輸入蛇管之傳輸管。定位座具有一兩端呈開放狀之通道，以及一環設於通道一端外側之齒盤面。該樞轉單元包括一用與接合於該定位座之旋轉座、一置於定位座的通道內之彈性元件，以及一由通道另一端穿入並通過彈性元件而與旋轉座相螺鎖之螺鎖元件。藉此提供結構穩固、組裝方便、使用便利性佳，以及供氣穩定進而可提高使用舒適度等功效。
