Provided is a direction switching valve unit and a cough assisting device using the same for inhaling to and exhaling from a patient’s respiratory organ to induce a cough, the cough assisting device has a case body (100) having an inhaling space (110) formed on and passing through a lower surface thereof an air pressure generating unit (200) provided in the case body (100), the air pressure generating unit generating an air pressure through a rotation force for suctioning air into an air inlet (210) and discharging suctioned air via an air outlet (220) a direction switching valve unit (300) provided in the inhaling space (110) formed through the case body (100), the direction switching valve unit converting a flow direction of the air for forcedly suctioning air toward a patient’s respiratory organ or forcedly discharging air from a patient’s respiratory organ by means of air pressure generated in the air pressure generating unit (200), whereby the device can be operated with low electric power.本發明涉及用於使空氣注入呼吸器官及排出而誘導咳嗽的方向轉換閥元件及利用其的咳嗽輔助裝置,提供一種方向轉換閥元件及咳嗽輔助裝置,包括:外殼體,其在下面貫通形成有吸氣用空間;空氣壓發生元件,其配備於所述外殼體的內部,借助於旋轉力而產生空氣壓,從而在通過空氣吸入口吸入空氣的同時,通過空氣排出口使吸入的該空氣排出;方向轉換閥元件,其位於在所述外殼體上貫通形成的吸氣用空間側,使空氣的流動方向轉換,以便利用由所述空氣壓發生元件產生的空氣壓,使空氣強制吸入患者的呼吸器官側,或使空氣從患者的呼吸器官側強制排氣,引導空氣的流動方向通過最短路徑流動;因此在驅動裝置時,誘導使得能夠實現低電力驅動。100‧‧‧外殼體110‧‧‧吸氣用空間200‧‧‧空氣壓發生元件300‧‧‧方向轉換閥元件400‧‧‧中繼軟管410‧‧‧前側中繼軟管420‧‧‧後側中繼軟管500‧‧‧空氣流入量調節裝置
