Rail type double-opening push-pull air-tight door of seedling raising shed

The utility model belongs to the field of tobacco seedling cultivation equipment, designs an auxiliary structure of a tobacco seedling shed, and particularly relates to a rail type double-opening push-pull air-tight door of a seedling shed, which comprises a first rail, a second rail device, a first roller, a second roller, a push-pull door body, a connecting part, a pin shaft, a first convex block and a sliding block. A worker pulls the sliding door device outwards through the handle, the first state is switched into the second state, then the first rolling wheel and the second rolling wheel move reversely in the X direction of the first track, the sliding block moves reversely in the X direction of the second track, and the second state is switched into the third state. The sealing strips can be repeatedly rubbed, and the sealing performance of the seedling raising greenhouse is guaranteed for a long time. 本实用新型属于烟苗培植设备领域，设计烟苗棚的辅助结构，具体涉及的是一种育苗棚轨道式双开推拉密闭门：包括第一轨道、第二轨道装置、第一滚轮、第二滚轮、推拉门本体、连接部、销轴、第一凸块和滑块，通过上述的配合连