Noise reduction assembly of warm air fan

The utility model discloses a warm ventilator noise reduction assembly which comprises a noise reduction box body, a fixed noise reduction device is fixedly connected to the inner wall of the bottom of the noise reduction box body, a ventilator body is arranged above the fixed noise reduction device, and a damping device is arranged below the noise reduction box body. A rubber block is fixedly connected to the outer wall of the bottom of the silencing box body, and the fixed noise reduction device comprises a fixed seat fixedly connected to the inner wall of the bottom of the silencing box body; the bidirectional threaded rod is rotationally connected to the inner wall of the fixed seat; and the two-way threaded rod penetrates through the sliding block. According to the noise reduction assembly of the warm ventilation fan, the fixed noise reduction device and the damping device are used in cooperation, so that the noise reduction assembly can reduce noise generated by the ventilation fan, meanwhile, the actin