To provide a door opening/closing system capable of easily unloading a large cargo.SOLUTION: A door opening/closing system for a top and bottom folding door provided at an opening part of a vehicle having a storage chamber includes a fixing shaft for holding in a door closed state with the top and bottom folding door closed, an engagement part rotatably fixed to a lower door to be engaged with the fixing shaft in the door closed state, a chain stretched between an upper sprocket and a lower sprocket with the engagement part fixed, a drive part attached to a ceiling of the storage chamber to rotate the upper sprocket, a guide part erected laterally at the opening part, and an elevation part arranged at a bottom edge of the lower door to elevate along the guide part, and opens and closes the top and bottom folding door through the engagement part while moving the position of the lower sprocket with the upper sprocket as a supporting point by making the drive part drive to rotate the chain.SELECTED DRAWING: Figure 7
【課題】大型の貨物を容易に積み下ろしできる扉開閉システムを提供する。【解決手段】収容室を有する車両の開口部に設けられた上下折畳扉の扉開閉システムであって、前記上下折畳扉が閉じられた扉閉状態に保持するための固定軸と、下部扉に回動可能に固定され、扉閉状態において前記固定軸と係合する係合部と、上スプロケットおよび下スプロケットに掛け渡され、前記係合部が固定されたチェーンと、前記収容室の天井に取付けられ、前記上スプロケットを回転させる駆動部と、前記開口部の側方に立設されたガイド部と、前記下部扉の下端に配置され、前記ガイド部に沿って昇降する昇降部とを備え、前記駆動部が駆動して前記チェーンが回転することにより、前記上スプロケットを支点として前記下スプロケットの位置を移動させながら、前記係合部を介して前記上下折畳扉が開閉する。【選択図】図7
DOOR OPENING/CLOSING SYSTEM
扉開閉システム
2025-03-13
Patent
Electronic Resource
Japanese
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
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