PROBLEM TO BE SOLVED: To provide a two-stage telescopic home door device which can safely and reliably perform a two-stage telescopic motion of a movable part with a drive mechanism of a simple structure.SOLUTION: A door part 30 includes a first step door 31 and a second step door 32, and the second step door 32 is slidingly stored in an interior of the first step door 31. A drive mechanism 40 is equipped with: a first step door drive part 41 including a main drive sheave 42 which is fixedly disposed on a door guard 10 and is rotated by an electric motor M, and a stationery belt 43 of which both ends are fixed to the first step door 31 and which is riven by the main drive sheave 42; an endless belt drive mechanism 58 including a first step rack/pinion mechanism 53, in which a first step pinion gear 52 attached to the first step door 31 is engaged with a first step rack gear 51 which is fixedly disposed in the door guard 10, and a drive side sheave 55 which is coaxial with a first step pinion gear 52; ad a second step door drive part 50 including a connection stationery member 59 which is fixed to the second step door 32 and a revolving belt 57 of the endless belt drive mechanism 58 and connects both to each other.

    【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がスライドして収納され、駆動機構40は、戸袋10に固定設置されて電動機Mにより回動する主駆動シーブ42、第1段扉31に両端を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内に固定設置された第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、第2段扉32及び無端ベルト駆動機構58の回動ベルト57に固定されて双方を連結する連結固定部材59を備えている第2段扉駆動部50と、を具備して構成される。【選択図】図1


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    Title :

    TWO-STAGE TELESCOPIC HOME DOOR DEVICE


    Additional title:

    2段伸縮ホームドア装置


    Contributors:

    Publication date :

    2015-11-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61B RAILWAY SYSTEMS , Eisenbahnanlagen / E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung



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