JP2004250156A

JP2004250156A - Landing device for elevator

Info

Publication number: JP2004250156A
Application number: JP2003041495A
Authority: JP
Inventors: Toshiya Suzuki; 稔也鈴木; Kenji Nomura; 健二野村; Nobuhiro Nishimura; 信寛西村; Masato Hanashima; 真人花島
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2003-02-19
Filing date: 2003-02-19
Publication date: 2004-09-09
Anticipated expiration: 2023-02-19
Also published as: JP4265917B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a landing device for an elevator capable of easily installing an opening blocking mechanism for a fire irrespective of an outside dimension or shape of a jamb. <P>SOLUTION: A winding mechanism 14 is provided above an upper frame 7 of the jamb 4, a driver 18 is provided higher than an upper end of a landing door device 10 and higher than a ceiling 8 face position of a landing 2, and it is arranged in a place away from the winding mechanism 14 in a horizontal direction. By this, deterioration of a degree of freedom of formative expression due to the outside dimension, shape or the like of the jamb 4 is resolved without constraints of an upper frame 7 height and overall depths of side frames 5 of the jamb 4 for installation required space of the winding mechanism 14 and the driver 18. A constraint of installation of the opening blocking mechanism mainly composed of the winding mechanism 14, a heat resistant sheet 15, and the driver 18 in a fire due to the outside dimension and shape of the jamb 4 is resolved also. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
この発明は、火災発生時に乗場を遮蔽して煙、火炎が昇降路へ侵入しないように構成されたエレベーターの乗場装置に関する。
【０００２】
【従来の技術】
従来のエレベーターの乗場装置において、三方枠によって乗場の出入口縁部が構成される。そして、出入口の上縁部であって三方枠の幕板、すなわち背丈が高い前面を有する上枠の内側に巻き取り機構が装備されて回転軸線が水平方向に配置される。また、遮煙性及び遮炎性を有する幕状体からなる耐熱性シートが三方枠の間口に対応した幅に形成されて巻き取り機構に巻掛けられて常時は上昇位置に保持される。
【０００３】
そして、耐熱性シートの巻き取り機構及び巻き取り機構を駆動する駆動装置を主要機器とする出入口の閉塞機構が装備される。そして、エレベーターが設置された建物における火災発生時に火災検知器等の信号によって巻き取り機構の制動が解放される。これにより、耐熱性シートが自重によって下降し出入口の開口部を閉塞して火炎、煙の昇降路内への侵入を防ぐように構成されている。
【０００４】
また、三方枠の前述の上枠の内側に巻き取り機構を駆動する駆動装置が設けられて、下降した耐熱性シートを上昇位置に復帰するときに駆動装置が付勢されて巻き取り機構を駆動し、耐熱性シートを巻き取って上昇位置に復帰するように構成されている。（例えば、特許文献１参照）。
【０００５】
【特許文献１】
特開２００２−３３８１６０号公報（第３頁、図１）
【０００６】
【発明が解決しようとする課題】
上記のような従来のエレベーターの乗場装置では、火災時に乗場の出入口を閉塞する機構が三方枠の上枠を形成する幕板の内側に設けられるので、巻き取り機構及び駆動装置の設置所要スペースのために三方枠の上枠高さ及び三方枠の奥行き寸法が制約される。これにより、三方枠の外形寸法、形状等による造形的表現の自由度が低下したり、火災時の出入口閉塞機構の設置が困難になったりするという問題点があった。
【０００７】
この発明は、かかる問題点を解消するためになされたものであり、三方枠の外形寸法、形状に関わらず火災時の出入口閉塞機構を容易に設置することができるエレベーターの乗場装置を得ることを目的とする。
【０００８】
【課題を解決するための手段】
この発明に係るエレベーターの乗場装置においては、エレベーターの乗場に設けられて乗場の出入口縁部を構成した三方枠と、この三方枠の上枠の上方に装備されて回転軸線が出入口幅方向に水平に配置された巻き取り機構と、遮煙性及び遮炎性を有する幕状体からなり、三方枠の間口に対応した幅に形成されて巻き取り機構に巻掛けられ、常時は上昇位置に保持され要時に下降して出入口の開口部を閉塞する耐熱性シートと、乗場に装備された乗場ドア装置の上端よりも上方であって乗場の天井面位置よりも上方に設けられ、かつ水平方向において巻き取り機構から離れた場所に配置されて巻き取り機構を駆動する駆動装置とが設けられる。
【０００９】
【発明の実施の形態】
実施の形態１．
図１及び図２は、この発明の実施の形態の一例を示す図で、図１は乗場の正面図、図２は図１の縦断側面図である。図において、エレベーターの昇降路１に乗場２が設けられ、また乗場２の出入口３縁部を構成した三方枠４が設けられる。そして、三方枠４は両側の側枠５及び幕板６を形成した上枠７によって構成され、上枠７の上端は乗場２の天井８面よりも上方に配置される。
【００１０】
また、乗場２には出入口３を開閉する引き戸９が設けられて、乗場２の昇降路１側に引き戸９を駆動する乗場ドア装置１０が装備される。なお、乗場ドア装置１０は出入口３の上縁よりも上方に延在するハンガーケース１１、出入口３の下縁部を形成し引き戸９下端の戸の脚（図示しない）の移動を案内する敷居１２及びハンガーケース１１に固定されて引き戸９のハンガー１２の移動を案内する戸のレールを主要部材として構成される。
【００１１】
そして、三方枠４の上枠７の上方にブラケットを介して巻き取り機構１４が装備されて回転軸線が出入口３幅方向に水平に配置される。また、遮煙性及び遮炎性を有する幕状体からなる耐熱性シート１５が三方枠４の間口に対応した幅に形成されて巻き取り機構１４に巻掛けられ、常時は上昇位置に保持され要時に下降して出入口３の開口部を閉塞する。
【００１２】
また、三方枠４の側枠５の奥行幅の中間に案内溝１６が凹設され、耐熱性シート１５の下端に装着された錘体１７が案内溝１６に移動自在に嵌合される。そして、乗場ドア装置１０のハンガーケース１１の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられ、水平方向において巻き取り機構１４から反昇降路１方向に離れた場所に配置される。
【００１３】
そして、駆動装置１８と巻き取り機構１４の間に巻掛伝動機構からなる伝動機構１９が設けられて駆動装置１８の動作を巻き取り機構１４に伝動する。また、乗場２の天井８面の駆動装置１８に対応した位置に点検孔２０が設けられて常時は塞ぎ板２１によって閉塞される。また、三方枠４の側枠５の案内溝１６上端と巻き取り機構１４の下面との間に案内溝付きレール２２が設けられる。
【００１４】
上記のように構成されたエレベーターの乗場装置において、巻き取り機構１４に耐熱性シート１５に巻掛けられて常時は出入口３を開放した上昇位置に保持される。そして、エレベーターが設置された建物における火災発生時に火災検知器等の信号によって巻き取り機構１４の制動が解放され、耐熱性シート１５が自重によって下降し、出入口３の開口部を閉塞して火炎、煙の昇降路１内への侵入を防ぐ。
【００１５】
そして、下降した耐熱性シート１５を上昇位置に復帰するときに駆動装置１８が付勢されて伝動機構１９を介して巻き取り機構１４を駆動し、耐熱性シート１５が巻き取られる。このような構成において、三方枠４の上枠７の上方に巻き取り機構１４が装備される。また、乗場ドア装置１０の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられ、水平方向において巻き取り機構１４から反昇降路１方向に離れた場所に配置される。
【００１６】
したがって、巻き取り機構１４及び駆動装置１８の設置所要スペースのために、三方枠４の上枠７高さ及び側枠５の奥行き寸法が制約されることがない。このため、三方枠４の外形寸法、形状等によって造形される造形的表現の自由度低下を解消することができる。また、三方枠の外形寸法、形状に関わらず、火災時の巻き取り機構１４、耐熱性シート１５及び駆動装置１８を主要部材とする出入口閉塞機構を容易に設置することができる。
【００１７】
また、三方枠４の幕板６に点検孔を設けず、乗場２の天井８面の駆動装置１８に対応した位置に点検孔２０が設けられるので、幕板６面に余計な構造部材を設ける必要がなく、三方枠４の美観を向上することができる。また、三方枠４の上枠７の上端にブラケットを介して巻き取り機構１４が装着され、この巻き取り機構１４に対応した位置に駆動装置１８及び伝動機構１９が設けられる。これによって、三方枠４の設置前又は設置後に容易に出入口閉塞機構を取付けることができる。
【００１８】
したがって、エレベーターの据付作業工程に対して出入口閉塞機構の取付時期が柔軟に対応でき据付作業能率を向上することができる。さらに、三方枠４の側枠５の案内溝１６上端と巻き取り機構１４の下面との間に案内溝付きレール２２が設けられる。このため、適宜な長さの案内溝付きレール２２を準備することによって、それぞれの乗場２における巻き取り機構１４の高さ方向位置の差異に容易に対応することができ、案内溝１６に関わる部材の生産性を向上することができる。
【００１９】
実施の形態２．
図３は、この発明の他の実施の形態の一例を示す図で、前述の図２相当図である。図において、前述の図１及び図２と同符号は相当部分を示し、乗場ドア装置１０のハンガーケース１１の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられ、水平方向において巻き取り機構１４から昇降路１方向に離れた場所に配置される。
【００２０】
上記のように構成されたエレベーターの乗場装置においても、三方枠４の上枠７の上方に巻き取り機構１４が装備され、乗場ドア装置１０の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられて水平方向において巻き取り機構１４から昇降路１方向に離れた場所に配置される。
【００２１】
これにより、巻き取り機構１４及び駆動装置１８の設置所要スペースのために、三方枠４の上枠７高さ及び側枠５の奥行き寸法が制約されることがない。したがって、詳細な説明を省略するが図３の実施の形態においても図１及び図２の実施の形態と同様な作用が得られる。
【００２２】
そして、乗場２側に点検孔を設けず昇降路１内からエレベーターのかご（図示しない）の上からの作業によって、巻き取り機構１４、駆動装置１８、伝動機構１９等からなる出入口閉塞機構の保守、点検作業が行われる。これによって、乗場２の天井８の点検孔を省くことができるので、乗場２における美観を向上することができる。
【００２３】
実施の形態３．
図４及び図５も、この発明の他の実施の形態の一例を示す図で、図４は乗場の正面図、図５は図４の縦断側面図である。図において、前述の図１及び図２と同符号は相当部分を示し、巻き取り機構１４の軸の延長線に駆動装置１８が設置され、駆動装置１８の出力軸が軸継手からなる伝動機構（図示しない）によって巻き取り機構１４に接続されている。
【００２４】
上記のように構成されたエレベーターの乗場装置においても、三方枠４の上枠７の上方に巻き取り機構１４が装備され、乗場ドア装置１０の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられて水平方向において巻き取り機構１４から昇降路１方向に離れた場所に配置される。
【００２５】
これにより、巻き取り機構１４及び駆動装置１８の設置所要スペースのために、三方枠４の上枠７高さ及び側枠５の奥行き寸法が制約されることがない。したがって、詳細な説明を省略するが図４及び図５の実施の形態においても図１及び図２の実施の形態と同様な作用が得られる。
【００２６】
また、巻き取り機構１４の位置よりも乗場２の天井８側に設置される機器がなく、前述の出入口閉塞機構をより少ないスペースに装備することができ、設置スペースに関わる制約を減少することができる。なお、点検孔２０又は昇降路１の内側から巻き取り機構１４、駆動装置１８等の保守作業を行うことができ、保守作業を容易化、能率化することができる。
【００２７】
実施の形態４．
図６及び図７も、この発明の他の実施の形態の一例を示す図で、図６は乗場の要部横断平面図、図７は図６の縦断側面図である。図において、前述の図１及び図２と同符号は相当部分を示し、昇降路１側に設置された奥側三方枠２３及び奥側三方枠２３の乗場２側すなわち前側に設置された前側三方枠４１からなる三方枠２４が設けられる。そして、前側三方枠４１は両側の側枠５１及び幕板６１を形成した上枠７１によって構成され、上枠７１の上端は乗場２の天井８面よりも上方に配置される。
【００２８】
また、前側三方枠４１の側枠５１の奥行幅の中間に案内溝１６が凹設され、耐熱性シート１５の下端に装着された錘体１７が案内溝１６に移動自在に嵌合される。また奥側三方枠２３と前側三方枠４１は、相互の対向面に挿通されたボルト及びこのボルトの挿通端にねじ込まれたナットからてる締結具２５によって締結される。
【００２９】
上記のように構成されたエレベーターの乗場装置においても、三方枠２４の上枠７１の上方に巻き取り機構１４が装備され、乗場ドア装置１０の上端よりも上方であって乗場２の天井８面位置よりも上方に駆動装置１８が設けられて水平方向において巻き取り機構１４から昇降路１方向に離れた場所に配置される。
【００３０】
これにより、巻き取り機構１４及び駆動装置１８の設置所要スペースのために、三方枠４の上枠７高さ及び側枠５の奥行き寸法が制約されることがない。したがって、詳細な説明を省略するが図６及び図７の実施の形態においても図１及び図２の実施の形態と同様な作用が得られる。
【００３１】
また、三方枠２４が奥側三方枠２３と前側三方枠４１によって構成されるので、奥側三方枠２３を乗場２に据付けた後に、前側三方枠４１を乗場２に据付けることにより、巻き取り機構１４、駆動装置１８、伝動機構１９等からなる出入口閉塞機構を装着することができる。このため、エレベーターの据付作業工程に対して出入口閉塞機構の取付作業を柔軟に対応でき据付作業能率を向上することができる。
【００３２】
【発明の効果】
この発明は以上説明したように、エレベーターの乗場に設けられて乗場の出入口縁部を構成した三方枠と、この三方枠の上枠の上方に装備されて回転軸線が出入口幅方向に水平に配置された巻き取り機構と、遮煙性及び遮炎性を有する幕状体からなり三方枠の間口に対応した幅に形成されて巻き取り機構に巻掛けられ、常時は上昇位置に保持され要時に下降して出入口の開口部を閉塞する耐熱性シートと、乗場に装備された乗場ドア装置の上端よりも上方であって乗場の天井面位置よりも上方に設けられ、かつ水平方向において巻き取り機構から離れた場所に配置されて巻き取り機構を駆動する駆動装置とを設けたものである。
【００３３】
これによって、三方枠の上枠の上方に巻き取り機構が装備され、乗場ドア装置の上端よりも上方であって乗場の天井面位置よりも上方に駆動装置が設けられて水平方向において巻き取り機構から離れた場所に配置される。したがって、巻き取り機構及び駆動装置の設置所要スペースのために、三方枠の上枠高さ及び側枠の奥行き寸法が制約されることがない。このため、三方枠の外形寸法、形状等に基づいて形成される造形的表現の自由度の低下を解消する効果がある。また、三方枠の外形寸法、形状に関わらず、火災時の巻き取り機構、耐熱性シート及び駆動装置を主要部材として構成される出入口閉塞機構の設置を容易化する効果がある。
【図面の簡単な説明】
【図１】この発明の実施の形態１を示す図で、乗場の正面図。
【図２】図１の縦断側面図。
【図３】この発明の実施の形態２を示す図で、前述の図２相当図。
【図４】この発明の実施の形態３を示す図で、乗場の正面図。
【図５】図４の縦断側面図。
【図６】この発明の実施の形態４を示す図で、乗場の要部横断平面図。
【図７】図６の縦断側面図。
【符号の説明】
１昇降路、２乗場、３出入口、４三方枠、５側枠、７上枠、８天井、１０乗場ドア装置、１４巻き取り機構、１５耐熱性シート、１６案内溝、１８駆動装置、２０点検孔、２２案内溝付きレール、２３奥側三方枠、２４三方枠、４１前側三方枠、５１側枠、７１上枠。[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator landing apparatus configured to shield a landing when a fire occurs so that smoke and flame do not enter a hoistway.
[0002]
[Prior art]
In a conventional elevator hall device, an entrance / exit edge of the hall is constituted by a three-way frame. Then, a winding mechanism is provided inside the upper edge of the entrance and the three-sided curtain plate, that is, the upper frame having a tall front surface, and the rotation axis is arranged in the horizontal direction. Further, a heat-resistant sheet made of a curtain-shaped body having smoke-proofing and flame-proofing properties is formed in a width corresponding to the frontage of the three-way frame, is wound around the winding mechanism, and is always kept at the ascending position.
[0003]
Further, an entrance / exit closing mechanism mainly including a winding mechanism for the heat-resistant sheet and a driving device for driving the winding mechanism is provided. Then, when a fire occurs in the building where the elevator is installed, the braking of the winding mechanism is released by a signal from a fire detector or the like. Thereby, the heat-resistant sheet is configured to descend by its own weight, close the opening of the entrance, and prevent the flame and smoke from entering the hoistway.
[0004]
Further, a driving device for driving the winding mechanism is provided inside the above-described upper frame of the three-way frame, and the driving device is urged to drive the winding mechanism when returning the lowered heat-resistant sheet to the raised position. Then, the heat-resistant sheet is wound up and returned to the raised position. (For example, see Patent Document 1).
[0005]
[Patent Document 1]
JP-A-2002-338160 (page 3, FIG. 1)
[0006]
[Problems to be solved by the invention]
In the conventional elevator landing apparatus as described above, the mechanism for closing the entrance of the landing in the event of a fire is provided inside the curtain plate forming the upper frame of the three-way frame. Therefore, the height of the upper frame of the three-way frame and the depth of the three-way frame are restricted. As a result, there is a problem in that the degree of freedom of modeling expression based on the outer dimensions, shape, and the like of the three-sided frame is reduced, and it is difficult to install a doorway closing mechanism in the event of a fire.
[0007]
The present invention has been made in order to solve such a problem, and an object of the present invention is to provide an elevator landing apparatus capable of easily installing an entrance / exit closing mechanism at the time of a fire regardless of the external dimensions and shape of a three-sided frame. Aim.
[0008]
[Means for Solving the Problems]
In the elevator landing apparatus according to the present invention, a three-sided frame provided at the landing of the elevator and constituting an entrance edge of the landing, and a rotation axis is provided above the upper frame of the three-sided frame and the rotation axis is horizontal in the direction of the entrance width. And a curtain that has smoke and flame barrier properties, is formed in a width corresponding to the frontage of the three-sided frame, is wound around the winding mechanism, and is always held at the ascending position And a heat-resistant sheet that is lowered when necessary to close the opening of the entrance and exit, and provided above the upper end of the landing door device equipped in the landing and above the ceiling surface position of the landing, and in the horizontal direction. And a driving device that is disposed at a location remote from the winding mechanism and drives the winding mechanism.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
1 and 2 show an example of an embodiment of the present invention. FIG. 1 is a front view of a landing, and FIG. 2 is a vertical side view of FIG. In the figure, a landing 2 is provided on a hoistway 1 of an elevator, and a three-sided frame 4 which forms an edge of an entrance 3 of the landing 2 is provided. The three-sided frame 4 is constituted by an upper frame 7 on which both side frames 5 and a curtain plate 6 are formed. The upper end of the upper frame 7 is arranged above the ceiling 8 of the landing 2.
[0010]
The landing 2 is provided with a sliding door 9 for opening and closing the entrance 3, and a landing door device 10 for driving the sliding door 9 is provided on the hoistway 1 side of the landing 2. The landing door device 10 includes a hanger case 11 extending above the upper edge of the entrance 3, a threshold 12 that forms a lower edge of the entrance 3 and guides the movement of a door leg (not shown) at the lower end of the sliding door 9. And a door rail fixed to the hanger case 11 and guiding the movement of the hanger 12 of the sliding door 9 as a main member.
[0011]
Then, a winding mechanism 14 is provided above the upper frame 7 of the three-way frame 4 via a bracket, and the rotation axis is horizontally arranged in the width direction of the entrance 3. Further, a heat-resistant sheet 15 made of a curtain-shaped body having smoke-proof and flame-proof properties is formed in a width corresponding to the frontage of the three-sided frame 4 and is wound around the winding mechanism 14, and is always held at the ascending position. It descends when necessary to close the opening of the entrance 3.
[0012]
A guide groove 16 is recessed in the middle of the depth width of the side frame 5 of the three-sided frame 4, and a weight 17 mounted on the lower end of the heat-resistant sheet 15 is movably fitted into the guide groove 16. A driving device 18 is provided above the upper end of the hanger case 11 of the landing door device 10 and above the position of the ceiling 8 of the landing 2, and in the horizontal direction from the winding mechanism 14 to the direction opposite to the hoistway 1. It is placed in a remote place.
[0013]
A transmission mechanism 19 including a winding transmission mechanism is provided between the driving device 18 and the winding mechanism 14 to transmit the operation of the driving device 18 to the winding mechanism 14. Further, an inspection hole 20 is provided at a position corresponding to the drive device 18 on the ceiling 8 of the landing 2, and is always closed by a closing plate 21. A rail 22 with a guide groove is provided between the upper end of the guide groove 16 of the side frame 5 of the three-way frame 4 and the lower surface of the winding mechanism 14.
[0014]
In the elevator landing apparatus configured as described above, it is wound around the heat-resistant sheet 15 around the winding mechanism 14 and is always held at the ascending position where the entrance 3 is opened. Then, when a fire occurs in the building where the elevator is installed, the braking of the winding mechanism 14 is released by a signal of a fire detector or the like, the heat-resistant sheet 15 descends by its own weight, and the opening of the entrance 3 is closed. Prevents smoke from entering the hoistway 1.
[0015]
Then, when returning the lowered heat-resistant sheet 15 to the raised position, the driving device 18 is urged to drive the winding mechanism 14 via the transmission mechanism 19, and the heat-resistant sheet 15 is wound. In such a configuration, the winding mechanism 14 is provided above the upper frame 7 of the three-way frame 4. Further, a driving device 18 is provided above the upper end of the landing door device 10 and above the position of the ceiling 8 of the landing 2, and at a location separated from the winding mechanism 14 in the direction opposite to the hoistway 1 in the horizontal direction. Be placed.
[0016]
Accordingly, the height of the upper frame 7 and the depth of the side frame 5 are not restricted by the space required for installing the winding mechanism 14 and the driving device 18. For this reason, it is possible to eliminate a reduction in the degree of freedom of the modeling expression formed by the external dimensions, shape, and the like of the three-sided frame 4. Also, regardless of the external dimensions and shape of the three-sided frame, a door closing mechanism having the winding member 14, the heat-resistant sheet 15, and the driving device 18 as main members in the event of a fire can be easily installed.
[0017]
In addition, since the inspection hole is not provided on the curtain plate 6 of the three-sided frame 4 and the inspection hole 20 is provided at a position corresponding to the driving device 18 on the ceiling 8 surface of the hall 2, an extra structural member is provided on the curtain plate 6 surface. There is no necessity, and the beauty of the three-sided frame 4 can be improved. A winding mechanism 14 is mounted on the upper end of the upper frame 7 of the three-way frame 4 via a bracket, and a driving device 18 and a transmission mechanism 19 are provided at positions corresponding to the winding mechanism 14. Thereby, the entrance / exit closing mechanism can be easily attached before or after the installation of the three-way frame 4.
[0018]
Accordingly, the installation timing of the entrance / exit closing mechanism can flexibly respond to the elevator installation operation process, and the installation operation efficiency can be improved. Further, a rail 22 with a guide groove is provided between the upper end of the guide groove 16 of the side frame 5 of the three-way frame 4 and the lower surface of the winding mechanism 14. For this reason, by preparing the guide grooved rails 22 having an appropriate length, it is possible to easily cope with a difference in the height position of the winding mechanism 14 in each landing 2, and to provide members related to the guide grooves 16. Productivity can be improved.
[0019]
Embodiment 2 FIG.
FIG. 3 is a view showing an example of another embodiment of the present invention, and is equivalent to FIG. 2 described above. In the figure, the same reference numerals as those in FIG. 1 and FIG. 2 indicate a substantial part, and the driving device 18 is located above the upper end of the hanger case 11 of the landing door device 10 and above the position of the ceiling 8 of the landing 2. It is provided at a place away from the winding mechanism 14 in the hoistway 1 direction in the horizontal direction.
[0020]
Also in the elevator hall device configured as described above, the winding mechanism 14 is provided above the upper frame 7 of the three-sided frame 4, and is located above the upper end of the hall door device 10 and the ceiling 8 of the hall 2 A driving device 18 is provided above the position, and is disposed at a position separated from the winding mechanism 14 in the hoistway 1 direction in the horizontal direction.
[0021]
Thus, the height of the upper frame 7 and the depth of the side frame 5 are not restricted by the space required for installing the winding mechanism 14 and the driving device 18. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIG.
[0022]
Then, maintenance of the entrance / exit closing mechanism including the winding mechanism 14, the driving device 18, the transmission mechanism 19, and the like is performed by working from above the elevator car (not shown) from inside the hoistway 1 without providing an inspection hole on the landing 2 side. , Inspection work is performed. Thereby, since the inspection hole of the ceiling 8 of the landing 2 can be omitted, the beauty of the landing 2 can be improved.
[0023]
Embodiment 3 FIG.
4 and 5 also show an example of another embodiment of the present invention. FIG. 4 is a front view of a landing, and FIG. 5 is a vertical side view of FIG. In the drawings, the same reference numerals as those in FIGS. 1 and 2 denote corresponding parts, a driving device 18 is installed on an extension of the shaft of the winding mechanism 14, and an output shaft of the driving device 18 has a transmission mechanism (a shaft coupling). (Not shown) to the winding mechanism 14.
[0024]
Also in the elevator hall device configured as described above, the winding mechanism 14 is provided above the upper frame 7 of the three-sided frame 4, and is located above the upper end of the hall door device 10 and the ceiling 8 of the hall 2 A driving device 18 is provided above the position, and is disposed at a position separated from the winding mechanism 14 in the hoistway 1 direction in the horizontal direction.
[0025]
Thus, the height of the upper frame 7 and the depth of the side frame 5 are not restricted by the space required for installing the winding mechanism 14 and the driving device 18. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.
[0026]
Further, there is no device installed on the ceiling 8 side of the landing 2 more than the position of the winding mechanism 14, so that the above-described entrance / exit closing mechanism can be equipped in a smaller space, and the restriction on the installation space can be reduced. it can. In addition, maintenance work of the winding mechanism 14, the drive device 18, etc. can be performed from the inspection hole 20 or the inside of the hoistway 1, and maintenance work can be facilitated and streamlined.
[0027]
Embodiment 4 FIG.
6 and 7 also show an example of another embodiment of the present invention. FIG. 6 is a cross-sectional plan view of a main part of a landing, and FIG. 7 is a vertical sectional side view of FIG. In the drawings, the same reference numerals as those in FIG. 1 and FIG. 2 denote corresponding parts, and a rear three-side frame 23 installed on the hoistway 1 side and a front three-side frame installed on the landing 2 side of the rear three-side frame 23, that is, on the front side. A three-sided frame 24 including a frame 41 is provided. The front three-sided frame 41 is constituted by an upper frame 71 on which the side frames 51 on both sides and a curtain plate 61 are formed, and the upper end of the upper frame 71 is disposed above the ceiling 8 of the landing 2.
[0028]
A guide groove 16 is provided in the middle of the depth of the side frame 51 of the front three-sided frame 41, and the weight 17 mounted on the lower end of the heat-resistant sheet 15 is movably fitted into the guide groove 16. The rear three-sided frame 23 and the front three-sided frame 41 are fastened by a bolt inserted into the mutually opposing surfaces and a fastener 25 from a nut screwed into the insertion end of the bolt.
[0029]
Also in the elevator landing apparatus configured as described above, the winding mechanism 14 is provided above the upper frame 71 of the three-sided frame 24, and is located above the upper end of the landing door apparatus 10 and the ceiling 8 of the landing 2 A driving device 18 is provided above the position, and is disposed at a position separated from the winding mechanism 14 in the hoistway 1 direction in the horizontal direction.
[0030]
Thus, the height of the upper frame 7 and the depth of the side frame 5 are not restricted by the space required for installing the winding mechanism 14 and the driving device 18. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.
[0031]
Further, since the three-sided frame 24 is constituted by the back-side three-sided frame 23 and the front-sided three-sided frame 41, after the back-side three-sided frame 23 is installed on the landing 2, the front-side three-sided frame 41 is installed on the landing 2, thereby winding up. An entrance / exit closing mechanism including the mechanism 14, the driving device 18, the transmission mechanism 19, and the like can be mounted. For this reason, the installation work of the entrance / exit closing mechanism can be flexibly performed in the elevator installation work process, and the installation work efficiency can be improved.
[0032]
【The invention's effect】
As described above, the present invention provides a three-way frame that is provided at the landing of an elevator and forms an entrance edge of the landing, and is provided above the upper frame of the three-way frame and has a rotation axis horizontally disposed in the width direction of the entrance. Winding mechanism, and a curtain-shaped body having smoke-proof and flame-shielding properties, formed into a width corresponding to the frontage of the three-sided frame, wound around the winding mechanism, and always held at the ascending position, and when necessary A heat-resistant sheet that descends to close the opening of the entrance and exit, and a winding mechanism that is provided above the upper end of the hall door device mounted on the hall and above the ceiling surface position of the hall, and in a horizontal direction. And a driving device that is disposed at a location distant from the device and drives the winding mechanism.
[0033]
Thereby, a winding mechanism is provided above the upper frame of the three-way frame, and a driving device is provided above the upper end of the landing door device and above the ceiling surface position of the landing, so that the winding mechanism in the horizontal direction is provided. Placed away from Therefore, the height of the upper frame and the depth of the side frame are not restricted by the space required for installing the winding mechanism and the driving device. For this reason, there is an effect of eliminating a decrease in the degree of freedom of the modeling expression formed based on the outer dimensions, shape, and the like of the three-sided frame. Also, regardless of the external dimensions and shape of the three-sided frame, there is an effect that the installation of the entrance / exit closing mechanism composed mainly of the winding mechanism in the event of a fire, the heat-resistant sheet, and the driving device is provided.
[Brief description of the drawings]
FIG. 1 is a view showing a first embodiment of the present invention, and is a front view of a landing.
FIG. 2 is a longitudinal sectional side view of FIG.
FIG. 3 is a view showing a second embodiment of the present invention, and is a view corresponding to FIG. 2 described above.
FIG. 4 is a view showing a third embodiment of the present invention, and is a front view of a landing.
FIG. 5 is a vertical sectional side view of FIG. 4;
FIG. 6 is a view showing a fourth embodiment of the present invention, and is a cross-sectional plan view of a main part of a landing.
FIG. 7 is a longitudinal sectional side view of FIG. 6;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 hoistway, 2 landings, 3 entrances, 4 side frames, 5 side frames, 7 upper frames, 8 ceilings, 10 landing door devices, 14 winding mechanisms, 15 heat resistant sheets, 16 guide grooves, 18 drive devices, 20 inspection Holes, 22 rails with guide grooves, 23 three-sided back frame, 24 three-sided frame, 41 three-sided front frame, 51 side frame, 71 upper frame.

Claims

A three-way frame provided at the landing of the elevator and constituting an entrance edge of the landing, and a winding mechanism provided above the upper frame of the three-side frame and having a rotation axis horizontally arranged in the width direction of the entrance, It is made of a curtain having a smoke-proofing property and a flame-proofing property, is formed in a width corresponding to the frontage of the three-sided frame, is wound around the winding mechanism, is always held at an ascending position, and is lowered when necessary, so that the entrance and exit are formed. A heat-resistant sheet for closing the opening of the hall, provided above the upper end of the hall door device mounted on the hall and above the ceiling surface position of the hall, and from the winding mechanism in the horizontal direction. A landing device for an elevator, the driving device being disposed at a distance and driving the winding mechanism.

2. The elevator landing apparatus according to claim 1, wherein the driving device is provided at a position away from the winding mechanism on a side opposite to the hoistway.

2. The elevator landing apparatus according to claim 1, wherein the driving device is provided at a position away from the winding mechanism toward the hoistway.

2. The elevator landing apparatus according to claim 1, wherein the driving device is provided at a position away from the winding mechanism in the direction of the extension of the axis of the winding mechanism.

5. The elevator landing apparatus according to claim 2, further comprising an inspection hole provided on a ceiling surface of the landing and arranged at a position corresponding to the driving device.

It has a side frame of a three-way frame provided with a guide groove for guiding the heat-resistant sheet to descend, and a rail with a guide groove provided between the upper end of the guide groove of the side frame and the lower surface of the winding mechanism. The elevator landing apparatus according to claim 1, wherein:

The three-way frame shall be composed of a rear three-way frame installed on the hoistway side and a front three-way frame installed on the front side of the rear three-way frame, and a guide groove provided on the side frame of the front three-way frame. 7. The elevator landing apparatus according to claim 6, wherein:

2. The elevator landing apparatus according to claim 1, wherein the winding mechanism is mounted on an upper end of an upper frame of the three-way frame, and a driving device is installed at a position corresponding to an upper end of the upper frame. .