Horizontal centrifuge mute hood capable of being automatically opened and closed

The utility model discloses a horizontal centrifuge mute hood capable of automatically opening and closing, which comprises a lower hood, a sealing ring is fixedly connected to the upper surface of the lower hood, a clamping groove is formed in the inner side wall of the sealing ring, a clamping ring is movably connected to the inside of the clamping groove, and an upper hood is fixedly connected to the upper surface of the clamping ring. According to the horizontal centrifugal machine mute machine cover capable of being automatically opened and closed, through the arrangement of the sealing ring, the clamping ring, the clamping groove and the sound insulation plate, the sealing ring seals the connecting position of the lower machine cover and the upper machine cover, the liquid leakage phenomenon during operation of a centrifugal machine is prevented, the clamping ring is clamped in the clamping groove, the sealing effect is enhanced, and the sound insulation effect is improved. Meanwhile, the upper machine