PROBLEM TO BE SOLVED: To provide a door structure with a door body attached slidably left and right at the gateway of a vinyl greenhouse, which is configured to stabilize the temperature environment in the vinyl greenhouse and at the same time improves assembling workability and decreases production costs by reducing the number of components.SOLUTION: The door structure according to the present invention is characterized in that the door structure with a door body attached slidably left and right at the gateway of the vinyl greenhouse comprises: pipe-shaped rails laid on a lower side of the gateway of the vinyl greenhouse； a guide rail laid on an upper side of the gateway； and a left-and-right slidable door body interposed between the pipe-shaped rails and the guide rail, wherein the door body is formed in a rectangular shape by an upper-side frame, left and right vertical frames, and a lower-side frame, the lower-side frame is structured by a base frame which has an approximately U-shaped cross section with an opening in the lower side, the base frame is provided with a sheet mounting part mountable with a vinyl sheet which is stretched over the door body, and rollers are journaled between inner and outer side plates of the U shape of the base frame in such a manner that the rollers are rollable on the pipe-shaped rails.SELECTED DRAWING: Figure 4【課題】ビニールハウスの出入口にドア本体を左右スライド自在に取付けたドア構造において、ビニールハウス内の温度環境の安定化を図ると共に、部品数を減らすことでコストを廉価に抑えつつ組立作業性を向上させたドア構造を提供する。【解決手段】本発明に係るドア構造は、ビニールハウスの出入口にドア本体を左右スライド自在に取付けたドア構造において、前記ビニールハウスの出入口下方にパイプ状レールを、上方にガイドレールを敷設し、前記パイプ状レールと前記ガイドレールとの間に左右スライド自在にドア本体を介設し、前記ドア本体は上辺フレームと左右縦フレームと下辺フレームとにより矩形状に構成し、前記下辺フレームは、下方開口の断面略コ字状の基枠により構成すると共に、前記基枠にはドア本体に張設するビニールシートの取付が可能なシート装着部を設けると共に、前記基枠のコ字状の内外側板間には前記パイプ状レール上を転動可能なコロを軸架したことを特徴とする。【選択図】図４
