Flow regulating mechanism for ventilation window of tobacco curing barn

The utility model discloses a flow regulating mechanism of a ventilation window of a tobacco curing barn. According to the technical scheme, the device comprises a driving motor, a connecting assembly and a closing plate which are sequentially connected, the driving motor is arranged on the tobacco curing barn and located on one side of a ventilation window, the closing plate can completely close the ventilation window, and the connecting assembly comprises a connecting base arranged on the closing plate; the driven rod is fixedly connected with the connecting base, and a driven hole extending in the axial direction is formed in the driven rod; according to the ventilation window opening degree control device, the opening degree of a ventilation window can be linearly controlled, and the precision is high. 本实用新型公开了一种烟叶烤房换气窗的流量调节机构。其技术要点是：包括有依次连接的驱动电机、连接组件、封闭板，所述驱动电机设置在烟叶烤房上，位于换气窗的一侧，所述封闭板可完全封闭换气窗，所述连接组件包括有：连接座，设置在封闭板上；从动杆，所述从动杆与连接座固定连接，所述从动杆内设有轴向延伸的从动孔；所述驱动电机连接有驱动轴，所述驱动轴与从动孔螺纹连接，本实用新型能够对换气窗的开启程度控制线性，精度高。