Sealing device of household breathing machine

The utility model relates to a sealing device of a household breathing machine, which comprises a breathing machine body, a placing plate is arranged below the breathing machine body, a supporting rod is fixed on the placing plate, a spring fixed on the placing plate is sleeved on the supporting rod, and a pressing plate penetrating through the supporting rod is arranged on the supporting rod. The other end of the spring is fixedly connected with the lower surface of a pressing plate, a sealing plate is fixed to the lower surface of the pressing plate and seals an oxygen outlet of the breathing machine body, a supporting rod is hinged to the surface of the containing plate, and an inserting groove allowing the supporting rod to be inserted is formed in the pressing plate. 本实用新型涉及一种家用呼吸机的密封装置，包括呼吸机本体，所述呼吸机本体的下方设有放置板，所述放置板上固定有支撑杆，所述支撑杆上套接有固定在放置板上的弹簧，支撑杆上设有穿过支撑杆的压板，弹簧的另一端与压板的下表面固接，所述压板的下表面固定有密封板，密封板密封住呼吸机本体的出氧口，所述放置板的表面铰接有支撑杆，所述压板上开设有供支撑杆插接的插槽。