Automatic ventilation device in living room

The automatic ventilation device in the living room comprises a plurality of ventilation mechanisms arranged on the inner wall of the living room, each ventilation mechanism comprises a ventilation pipe, a rotating shaft is arranged in each ventilation pipe, a plurality of spiral blades are fixedly connected to each rotating shaft, bearing seats are assembled at the two ends of each rotating shaft, and the bearing seats are connected with fixed pipes on the inner walls of the ventilation pipes through supports. The utility model is used for solving the problem of poor natural circulation of air in many parts of the existing living room. 居室内自动换气装置，包括设置在居室内墙壁上的多个换气机构，所述换气机构包括换气管，换气管内设有转轴，转轴上固定连接有多片螺旋叶，转轴两端装配有轴承座，轴承座，轴承座通过支架与换气管内壁固定管连接。本实用新型用于解决现有居室内诸多部位空气自然流通性差的问题。