Connecting device of greenhouse door

The utility model discloses a connecting device of a greenhouse door, and relates to the technical field of agriculture, the connecting device of the greenhouse door comprises a fixing frame, a sliding groove is formed in the front face of the fixing frame and intersects with the left end face, a moving structure is connected in the sliding groove in a sliding mode, and the moving structure is composed of a roller, a fixing bolt, a first nut and a second nut. During use, the right end face of the fixing frame 1 is fixedly connected with a supporting column connected with the end face of a greenhouse door, the greenhouse door is fixedly connected with the movable plate 202 through the mounting hole, the effect that the greenhouse door is blown open when the greenhouse door is moved to be closed is avoided through the movement of the roller 201 sliding into the interior, and therefore the effect that the greenhouse door is tightly closed is achieved. And when the wind is strong, the door closing difficulty is n