Labyrinth micro power sealing device

The utility model relates to a labyrinth micro power sealing device which is mainly applied to working environments with quite a lot of dust and machines with strict sealing requirements. The labyrinth micro power sealing device and a shaft are in interference fit; the shaft rotates to drive the device to rotate; two or more blades are arranged on the device; and when the device rotates along with the shaft and generates wind as a fan, the generated wind is blown outwards through the labyrinth sealing device. The generated wind which is blown outwards generates pressure difference outside a machine so that the air and the dust outside cannot enter the machine, and a sealing role is played. When a stricter sealing environment is required, the device with a plurality of blades can be selected and even a plurality of devices can be serially connected, so that the generated outward wind is stronger, i.e. the pressure difference is bigger, and the sealing effect is better.