An underground air exhaust device

Abstract

The utility model belongs to the field of display screen production, concretely relates to an underground exhaust device. The utility model provides an underground exhaust device, the space ground below is equipped with a cavity, the space ground is equipped with the fan assembly intercommunication with the cavity, and the fan assembly includes: the box -like cover body of fixed in the space ground and the opening upwards, the fan of intercommunication with the cover body bottom, and, the box -like cover body of cover is equipped in the cover opening, the cover body top surface is equipped with a plurality of through -holes, and the inboard of cover body top surface is equipped with the reinforcing rib. The utility model provides an underground exhaust device, sets up the exhaust device in the space ground, does not have the particle in the cornerless adsorption space suction, and the reinforcing rib structure of cover can support the cover well, simultaneously does not influence the particle to be absorbed by the fan.

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