PROBLEM TO BE SOLVED: To provide a two-stage telescopic home door device capable of safely and reliably executing two-stage telescopic operation of a movable part by a drive mechanism having a simple structure.SOLUTION: A door part 30 where a second stage door 32 is stored in a first stage door 31 comprises: a first stage door drive part 41 comprising a drive mechanism 40B, a main drive sheave 42 being installed to a door pocket 10 and rotated by a motor M and a fixed belt 43 being fixed to the first stage door 31 and driven by the main drive sheave 42; an endless belt drive mechanism 58 comprising a first stage rack & pinion mechanism 53 engaging a first stage pinion gear 52 attached to the first stage door 31 with a first stage rack gear 51 installed in the door pocket 10 and a drive side sheave 55 coaxial with the first stage pinion gear 52; and a second stage door drive part 50B comprising a second stage rack & pinion mechanism 63 engaging a second stage pinion gear 64 coaxial with a driven side sheave 56 of the endless belt drive mechanism 58 with a second stage rack gear 65 installed to a bottom surface part or an upper surface part of the second stage door 32.SELECTED DRAWING: Figure 3
【課題】可動部の2段伸縮動作を簡単な構造の駆動機構で安全かつ確実に実施できる2段伸縮ホームドア装置を提供する。【解決手段】扉部30は第1段扉31の内部に第2段扉32が収納され、駆動機構40B、戸袋10に設置されて電動機Mにより回動する主駆動シーブ42、第1段扉31に固定されて主駆動シーブ42により駆動される固定ベルト43を備えている第1段扉駆動部41と、戸袋10内に設置された第1段ラックギア51に第1段扉31に取り付けた第1段ピニオンギア52を噛合させた第1段ラック&ピニオン機構53と第1段ピニオンギア52と同軸の駆動側シーブ55を備えている無端ベルト駆動機構58、無端ベルト駆動機構58の従動側シーブ56と同軸の第2段ピニオンギア64を第2段扉32の底面部又は上面部に設置された第2段ラックギア65に噛合させた第2段ラック&ピニオン機構63を備えている第2段扉駆動部50Bと、を具備する。【選択図】図3
TWO-STAGE TELESCOPIC HOME DOOR DEVICE
2段伸縮ホームドア装置
2016-07-07
Patent
Electronic Resource
Japanese