JP4130104B2 - Elevator door opener - Google Patents

Elevator door opener Download PDF

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Publication number
JP4130104B2
JP4130104B2 JP2002227571A JP2002227571A JP4130104B2 JP 4130104 B2 JP4130104 B2 JP 4130104B2 JP 2002227571 A JP2002227571 A JP 2002227571A JP 2002227571 A JP2002227571 A JP 2002227571A JP 4130104 B2 JP4130104 B2 JP 4130104B2
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door
landing
holding device
opening
opening holding
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JP2004067293A (en
Inventor
和彦 氏家
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Toshiba Elevator and Building Systems Corp
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Toshiba Elevator Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、昇降路内の機器を乗り場側より確認または点検する際に乗り場戸を少しだけ開けて間隔を保持しておくためのエレベータの戸開保持器具に関するものである。
【0002】
【従来の技術】
一般にエレベータの昇降路内の機器を点検する場合、乗りかご上に作業員が乗って乗りかごを昇降させながら行なうことがある。この場合、作業員は乗り場から乗り場戸を開いて乗りかご上に乗り込むことになるが、乗りかごが乗り込みを行なう階に停止しているか否かを確認する必要があり、このために乗り場戸を少しだけ開けた状態に保持して昇降路内を確認できるようにし、作業員が誤って昇降路内に転落しないようにしている。
【0003】
エレベータの乗り場戸における従来の戸開保持構成を図12に示す。乗り場戸1の上方にヘッダーケース2が設けられ、このヘッダーケース2内に乗り場戸1を案内するドアレール(図示せず)が設けられている。ヘッダーケース2内には、戸開保持装置3が設けられており、三方枠幕板部4と乗り場戸1との隙間5から操作器具6を差し込み、戸開保持装置3を操作することで戸開保持装置3が動作し、乗り場戸1を少しだけ開けて間隔を保持することができるようになっている。
【0004】
このようなエレベータ乗り場の戸開保持構成では、ヘッダーケース2内の戸開保持装置3を、三方枠幕板部4と乗り場戸2の隙間5に操作器具6を下方から差し込み操作する必要があり、図13に示すような、三方枠幕板部4と乗り場戸1の表面が面一となる構成の場合には、正面の隙間5から操作器具を挿入し戸開保持装置を操作することができなかった。
【0005】
一方、少なくとも二枚の乗り場戸が左右いずれか一方に互いに異なる速度で開閉する片開き乗り場戸に対し、この乗り場戸の開方向への移動を所定の開放寸法に規制する全開防止器具を設けることが提案されている。これは、乗り場側に位置する第一の乗り場戸の戸当り側に連結される装着体と、この装着体に連結されて戸当り側に位置した第二の乗り場戸と第一の乗り場戸間の間隙から挿入された連結棒と、この連結棒の挿入側端部に設けられて第二の乗り場戸の開方向への移動を所定の開放寸法に規制する第一の係止部を備えたもので、このような構成によれば、三方枠幕板部と乗り場戸との構成に関係なく、乗り場戸の全開防止を行なうことができるが、乗り場戸が左右いずれか一方に開閉する片開き乗り場戸に限られるものであった。
【0006】
また中央から左右に開く両開きタイプの乗り場戸を少しだけ開ける全開防止器具として、第一の乗り場戸の下部に取付けられたドアシューに当接する第一の当接部と、第一の乗り場戸よりも遅い速度で開く第二の乗り場戸の下部に取付けられたドアシューに当接する第二の当接部と、これら第一および第二の当接部の間隔を一定に保持するように連結した間隔保持部とを備えたものが提案されている。この構成によれば、中央から左右に開く両開きタイプの乗り場戸の全開を防止できるが、全開防止器具の当接部がドアシューと当接するようにセットする作業に作業者の理解と熟練を必要とし、また乗り場戸の開放寸法が第一および第二の乗り場戸に取付けられたドアシューの間隔や、第一の当接部と第二の当接部の間隔で決定されことから全開防止器具が大きなものとなる問題がある。
【0007】
【発明が解決しようとする課題】
このようにヘッダーケース内に戸開保持装置を設ける場合は、三方枠幕板部と乗り場戸の表面が面一となる構成の場合には、正面の隙間から操作器具を挿入して戸開保持装置を操作することができなかった。
【0008】
また中央から左右に開く両開きタイプの乗り場戸を少しだけ開ける全開防止器具は、その操作に作業者の熟練および理解を必要とするほか、大形化なものであるという問題があった。
【0009】
本発明は、上述の問題点を考慮してなされたもので、三方枠幕板部と乗り場戸の構成によらず、また小形で、中央から左右に開くタイプの乗り場戸間に簡単な操作で設置できて両乗り場戸の間隔を少しだけ開けて保持することのできるエレベータの戸開保持器具を提供することを目的とする。
【0010】
【課題を解決するための手段】
本発明は上記の課題を解決するために、それぞれ幅方向の端縁部に折曲げ部を有して中央から左右に開く両開きタイプの乗り場戸を少しだけ開けて昇降路内の機器を乗り場側より確認または点検する際に、乗り場戸間に挿入されてその間隔を保持するエレベータ乗り場戸の戸開保持器具であって、乗り場戸間に挿入される基部と、この基部の両側にそれぞれ設けられ乗り場戸の折曲げ部に嵌合されて乗り場戸の戸閉側および戸開側への移動を阻止するU字形係合部とを備えたことを特徴とする。
【0011】
このように構成すれば、両開きタイプの乗り場戸を少しだけ開けて戸開保持器具を挿入し、そのU字形係合部を乗り場戸の端縁部に設けられた折曲げ部に嵌合させる簡単な作業で設置でき、しかも戸開の間隔寸法に乗り場戸の端縁部の幅寸法を加えた寸法とほぼ同寸法で構成でき、戸開保持器具を小形に構成できる。
【0012】
この場合、戸開保持器具のU字形係合部に、乗り場戸の折曲げ部の高さ方向の中間部に設けられた切り欠き部に対しては前後方向から挿通可能で且つこの切り欠き部以外の折曲げ部に対しては前後方向で重複する突出部を設けることができる。
【0013】
このようにすれば、戸開保持器具の高さ方向を位置決めでき、しかも戸開保持器具の着脱操作が2工程となり、作業者以外の第三者による戸開保持器具の取外しを防止できる。
【0014】
また戸開保持器具の下部に、乗り場戸のシルに嵌合するガイドを設けることができ、このようにすれば、戸開保持器具が乗り場戸間に設置された際に、ガイドがシルの溝に嵌り込むことによって、戸開保持器具のU字形係合部が乗り場戸の折曲げ部に確実に嵌合されていることを確認することができる。
【0015】
また本発明は、それぞれ幅方向の周縁部に折曲げ部を有して中央から左右に開く両開きタイプの乗り場戸を少しだけ開けて昇降路内の機器を乗り場側より確認または点検する際に、乗り場戸間に挿入されてその間隔を保持するエレベータ乗り場戸の戸開保持器具であって、乗り場戸間に挿入される基部と、この基部の両側にそれぞれ設けられ乗り場戸の折曲げ部に形成された逆L字形の切り欠き部に嵌合されて乗り場戸の戸閉側および戸開側への移動を阻止するL字形係合部とを備えたことを特徴とする。
【0016】
本発明によれば、両開きタイプの乗り場戸を少しだけ開けて戸開保持器具を挿入し、そのL字形係合部を乗り場戸の端縁部に設けられた切り欠き部に嵌合させる簡単な作業で設置できるほか、戸開保持器具の着脱操作が2工程となり、一般利用者による戸開保持器具の取外しを防止でき、戸開保持器具の構成を簡素化できる。
【0017】
さらに戸開保持器具は、基部に把手を設けることができ、戸開保持器具の設置時に、この把手を持って作業することにより操作性を向上することができる。
【0018】
【発明の実施の形態】
以下、本発明の実施の形態を説明する。図1は本発明のエレベータの乗り場における戸開状況を示す正面図である。乗り場7の三方枠8に中央から左右に開く乗り場戸9,10が設けられている。昇降路内の機器を乗り場側より確認または点検する際に、まずこの乗り場戸9,10を開く開錠操作が行なわれる。開錠操作は、例えば三方枠8の幕板部11の内側に設けられた施錠装置12を、乗り場戸10に設けられた鍵穴13から鍵を差し込んで行なう方法が一般的であるが、幕板部11と乗り場戸9,10の隙間から操作器具を差し込んで行なうなど、他の構成もある。乗り場戸9,10の開錠後、作業員が乗り場戸9,10を少しだけ開けた状態に保持して昇降路内を確認できるようにする。この戸開の間隔を所定寸法に保持するために戸開保持器具が用いられる。
【0019】
図2(a)および(b)は本発明の第1実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。図3は図2で用いた戸開保持器具を示す斜視図である。
【0020】
図2および図3において、乗り場戸9,10はそれぞれ上部にローラ14,15を有するハンガー16,17が設けられており、図示しない戸開閉機構が駆動されてハンガー16,17のローラ14,15がドアレール18上を転動することにより中央から左右に開くようになっている。この乗り場戸9,10には、裏面側(昇降路側)の上下方向および幅方向の端縁部に内側にL字形に折り曲げられた折曲げ部9a,9b、10a,10bが補強として設けられており、このうち、幅方向の端縁部に設けられた折曲げ部9b,10bを利用して戸開保持器具19が取付けられる。この戸開保持器具19は、乗り場戸9,10間に挿入される基部19aと、この基部19aの横方向両側にそれぞれ設けられ乗り場戸の折曲げ部9b,10bに嵌合されて乗り場戸の戸閉側および戸開側への移動を阻止するU字形係合部19b,19bとを備えている。この戸開保持器具19は、乗り場戸9,10の少しだけ開かれた隙間を通して乗り場側から昇降路側に挿入された後、U字形係合部19b,19bが乗り場戸9,10の戸当り側の折曲げ部9b,10bに嵌合するように乗り場側に引き戻されて乗り場戸9,10間に取付けられる。これにより、左右に開くタイプの乗り場戸9,10が戸閉側に移動する際には、各乗り場戸9,10の先端戸当り面がU字形係合部19b,19bに当接して移動が阻止され、また乗り場戸9,10が戸閉側に移動する際にも乗り場戸9,10の折曲げ部9b,10bがU字形係合部19b,19bに当接して移動が阻止され、乗り場戸9,10の間隔を所定の寸法に保持することができる。
【0021】
このように本実施の形態によれば、三方枠幕板部と乗り場戸の構成によらず、中央から左右に開く両開きタイプの乗り場戸9,10に対して、この乗り場戸9,10を少しだけ開けて戸開保持器具19を挿入し、この戸開保持器具19のU字形係合部19b,19bを乗り場戸9,10の端縁部に設けられた折曲げ部9b,10bに嵌合させるだけの簡単な作業で、乗り場戸9,10間に所定寸法の間隔で戸開が保持できるように設置できる。しかも戸開保持器具19の長手方向の寸法は、戸開の間隔寸法に乗り場戸9,10の端縁部の折曲げ部9b,10bの幅寸法を加えた寸法とほぼ同寸法で構成でき、戸開保持器具19を小形に構成できる。
【0022】
図4(a),(b)および図5(a),(b)は本発明の第2実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。図6は図4および図5で用いた戸開保持器具を示す斜視図である。図4ないし図6において、本実施の形態では、乗り場戸9,10の折曲げ部9b,10bの高さ方向の中間部に切り欠き部9c,10cが形成されており、戸開保持器具19のU字形係合部19b,19bには、この切り欠き部9c,10cに対しては前後方向から挿通可能で且つこの切り欠き部9c,10c以外の折曲げ部9b,10bに対しては前後方向で重複する突出部20,20がさらに設けられている。
【0023】
この戸開保持器具19は、図4に示すように、乗り場戸9,10間の隙間から挿入した後、横方向にして切り欠き部9c,10cの位置で乗り場側に引き戻せば、突出部20,20は、乗り場戸9,10の折曲げ部9b,10bに当接することなく乗り場側に移動する。この状態で、図5に示すように、戸開保持器具19を下方に移動させれば、突出部20,20は、折曲げ部9b,10bに対して前後方向で重複する位置に置かれることになる。
【0024】
従ってこのようにすれば、U字形係合部19b,19bにより第1実施の形態と同様の効果が得られるほか、戸開保持器具19の着脱操作が図4に示す状態から図5に示す状態、またはその逆の2工程となり、一般利用者には、このような着脱工程で戸開保持器具19が取付けられていることが容易に理解できないので、一般利用者による戸開保持器具19の取外しを防止でき、一般利用者が故意に戸開保持器具19を取り外すことで乗り場戸9,10が開かれることによる昇降路への転落事故を防止することができる。
【0025】
図7(a)および(b)は本発明の第3実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および側面図である。図8は図7で用いた戸開保持器具を示す斜視図である。図7および図8において、本実施の形態では、第1実施の形態の構成に加えて、戸開保持器具19の基部19aに下方に向けて延びるガイド21を取付けたもので、このガイド21は、乗り場戸9,10のシル22の溝22a幅とほぼ同じ幅で構成されており、戸開保持器具19が乗り場戸9,10間に設置された際に、ガイド21がシル22の溝22aに嵌り込むことによって、戸開保持器具19のU字形係合部19b,19bが乗り場戸9,10の折曲げ部9b,10bに確実に嵌合されていることを確認することができる。しかも戸開保持器具19に乗り場側に向けて外力が加えられた際には、乗り場戸9,10に伝達される力を緩和して乗り場戸9,10が変形するのを低減し、また戸開保持器具19に昇降路側に向けて外力が加えられた際には、戸開保持器具19が外れるのを防止することができる。
【0026】
図9(a),(b)および図10(a),(b)は本発明の第4実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。図9および図10において、本実施の形態では、乗り場戸9,10の折曲げ部9b,10bの高さ方向の中間部に逆L字状の切り欠き部9d,10dが形成されており、戸開保持器具29には基部29aの両側にそれぞれこの切り欠き部9d,10dの幅広部に対しては前後方向から挿通可能で且つこの切り欠き部9c,10cの幅狭部に対しては前後方向で重複するL字形係合部29b,29bが設けられている。
【0027】
この戸開保持器具29は、図9に示すように、乗り場戸9,10間の隙間から挿入した後、横方向にして切り欠き部9d,10dの幅広部の位置で乗り場側に引き戻せば、L字形係合部29b,29bは、乗り場戸9,10の折曲げ部9b,10bに当接することなく乗り場側に移動し、この状態で、図10に示すように、戸開保持器具29を下方に移動させれば、L字形係合部29b,29bは、折曲げ部9b,10bに対して前後方向で重複する位置に置かれ、切り欠き部9d,10dの幅狭部に挟まれることになる。
【0028】
従って戸開保持器具29は、L字形係合部29b,29bが乗り場戸9,10の折曲げ部9b,10bに設けられた切り欠き部9d,10dの幅狭部に嵌合されて外れが防止されるとともに乗り場戸9,10が戸閉側および戸開側へ移動するのを阻止して戸開を所定寸法に保持することができる。また第2実施の形態と同様に、戸開保持器具29の着脱操作が図9に示す状態から図10に示す状態、またはその逆の2工程となり、一般利用者による戸開保持器具19の取外しを防止でき、一般利用者が故意に戸開保持器具19を取り外すことで乗り場戸9,10が開かれることによる昇降路への転落事故を防止することができる。さらに戸開保持器具29の折曲げ形状を簡素化でき、軽量化することができる。
【0029】
図11は本発明の第5実施の形態によるエレベータ乗り場戸の戸開保持器具を示す斜視図である。図11において、本実施の形態では、第1実施の形態ないし第4実施の形態における戸開保持器具19または29の基部19aの前面側(乗り場側)に把手23を取付けたもので、戸開保持器具19の設置時にこの把手23を持って作業することにより操作性を向上することができ、しかもこの把手23に、安全帯のフック(図示せず)を掛けることにより戸開保持器具19を誤って昇降路内に落下させることを防止することができる。
【0030】
【発明の効果】
以上説明したように、本発明のエレベータの戸開保持器具によれば、中央から左右に開く両開きタイプの乗り場戸を少しだけ開けて昇降路内の機器を乗り場側より確認または点検する際に、乗り場戸間に挿入されてその間隔を保持するエレベータ乗り場戸の戸開保持器具であって、乗り場戸間に挿入される基部と、この基部の両側にそれぞれ設けられ乗り場戸の折曲げ部に嵌合されて乗り場戸の戸閉側および戸開側への移動を阻止する係合部とを備えたことにより、三方枠幕板部と乗り場戸の構成によらず、また小形で、中央から左右に開くタイプの乗り場戸間に簡単な操作で設置できて両乗り場戸の間隔を少しだけ開けて保持することができる。
【図面の簡単な説明】
【図1】本発明のエレベータの乗り場における戸開状況を示す正面図である。
【図2】(a)および(b)は本発明の第1実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。
【図3】図2で用いた戸開保持器具を示す斜視図である。
【図4】(a)および(b)は本発明の第2実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。
【図5】(a)および(b)は図4に示す第2実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた、異なる戸開保持状況を示す背面図および平面図である。
【図6】図4および図5で用いた戸開保持器具を示す斜視図である。
【図7】 (a)および(b)は本発明の第3実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および側面図である。
【図8】図7で用いた戸開保持器具を示す斜視図である。
【図9】(a)および(b)は本発明の第4実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた戸開保持状況を示す背面図および平面図である。
【図10】(a)および(b)は図9に示す本発明の第4実施の形態によるエレベータ乗り場戸の戸開保持器具を用いた、異なる戸開保持状況を示す背面図および平面図である。
【図11】本発明の第5実施の形態によるエレベータ乗り場戸の戸開保持器具を示す斜視図である。
【図12】従来のエレベータの乗り場戸における戸開保持構成を示す概略構成図である。
【図13】従来の異なるエレベータの乗り場戸を示す概略構成図である。
【符号の説明】
1,9,10…乗り場戸
2…ヘッダーケース
3…戸開保持装置
4…三方枠幕板部
5…隙間
6…操作器具
7…乗り場
8…三方枠
9a,9b,10a,10b…折曲げ部
9c,9d,10c,10d…切り欠き部
11…幕板部
12…施錠装置
13…鍵穴
14,15…ローラ
16,17…ハンガー
18…ドアレール
19,29…戸開保持器具
19a,29a…基部
19b,29b…係合部
20…突出部
21…ガイド
22…シル
22a…溝
[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to an elevator door-opening holding device for opening a landing door and keeping a distance when checking or checking equipment in a hoistway from the landing side.
[0002]
[Prior art]
Generally, when inspecting equipment in an elevator hoistway, there are cases where an operator rides on a car and raises and lowers the car. In this case, the worker opens the landing door from the landing and gets on the car, but it is necessary to check whether the car is stopped on the floor where the boarding is carried out. It is held in a slightly opened state so that the inside of the hoistway can be confirmed, so that an operator does not accidentally fall into the hoistway.
[0003]
FIG. 12 shows a conventional door-opening holding configuration in an elevator landing door. A header case 2 is provided above the landing door 1, and a door rail (not shown) for guiding the landing door 1 is provided in the header case 2. A door opening holding device 3 is provided in the header case 2, and an operation tool 6 is inserted through a gap 5 between the three-way frame curtain plate portion 4 and the landing door 1 to operate the door opening holding device 3. The opening and holding device 3 is operated so that the landing door 1 can be opened a little and the interval can be held.
[0004]
In such a door opening holding structure of the elevator hall, it is necessary to insert the operation tool 6 from below into the gap 5 between the three-way frame curtain plate portion 4 and the landing door 2 with the door opening holding device 3 in the header case 2. In the case where the surfaces of the three-way frame curtain plate portion 4 and the landing door 1 are flush with each other as shown in FIG. 13, an operating instrument can be inserted from the front gap 5 to operate the door opening holding device. could not.
[0005]
On the other hand, with respect to a single-opening landing door where at least two landing doors open and close at different speeds on either the left or right side, a full-opening prevention device that restricts the movement of the landing door in the opening direction to a predetermined opening size shall be provided. Has been proposed. This is because the mounting body connected to the door stop side of the first landing door located on the landing side, and the second landing door connected to this mounting body and located on the door stop side between the first landing door and the first landing door. A connecting rod inserted from the gap, and a first locking portion that is provided at the insertion side end of the connecting rod and restricts movement of the second landing door in the opening direction to a predetermined opening dimension. According to such a configuration, the landing door can be prevented from being fully opened regardless of the configuration of the three-way frame curtain plate portion and the landing door. It was limited to the door.
[0006]
In addition, as a full-opening prevention device that opens a double-opening type landing door that opens to the left and right from the center, a first abutting portion that abuts a door shoe attached to the lower part of the first landing door, and a first landing door A second abutting portion that abuts on a door shoe attached to the lower part of the second landing door that opens at a slow speed, and a distance maintaining unit that is connected so as to maintain a constant distance between the first and second abutting portions. The thing provided with a part is proposed. According to this configuration, it is possible to prevent the double-opening type landing door that opens from the center to the left and right, but it is necessary to have the operator's understanding and skill in the setting work so that the contact portion of the full-opening prevention device contacts the door shoe. In addition, since the opening dimension of the landing door is determined by the distance between the door shoes attached to the first and second landing doors and the distance between the first contact portion and the second contact portion, the fully open prevention device is large. There is a problem.
[0007]
[Problems to be solved by the invention]
In this way, when the door opening holding device is provided in the header case, if the three-sided frame curtain plate part and the surface of the landing door are flush with each other, the operation tool is inserted from the front gap to hold the door open. The device could not be operated.
[0008]
In addition, the full-opening prevention device that opens a double-opening type platform door that opens from the center to the left and right requires a skill and understanding of the operator for its operation, and has a problem that it is large-sized.
[0009]
The present invention has been made in consideration of the above-described problems, and is small in size and installed between landing doors of the type that opens from the center to the left and right, with a simple operation, regardless of the configuration of the three-sided frame curtain plate and landing doors. It is an object of the present invention to provide an elevator door-opening holding device that can open and hold a space between both landing doors a little.
[0010]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention opens a double-opening type landing door that has a bent portion at the edge in the width direction and opens from the center to the left and right to open the equipment in the hoistway to the landing side. A door opening and holding device for an elevator landing door that is inserted between landing doors to maintain a gap between the landing doors when checking or checking more, and a base door inserted between the landing doors and a landing door provided on each side of the base door. And a U-shaped engagement portion that is fitted to the bent portion and prevents movement of the landing door to the door closing side and the door opening side.
[0011]
If comprised in this way, it will be easy to open a double-opening type landing door a little, insert a door opening holding fixture, and fit the U-shaped engaging portion to the bent portion provided at the edge of the landing door It can be installed by simple work, and it can be constructed with the same dimension as the opening dimension of the door opening plus the width dimension of the edge of the landing door, and the door opening retainer can be made compact.
[0012]
In this case, the U-shaped engaging portion of the door opening holding device can be inserted from the front-rear direction with respect to the notch portion provided in the intermediate portion in the height direction of the folding portion of the landing door, and this notch portion. Projections that overlap in the front-rear direction can be provided for the other bent portions.
[0013]
If it does in this way, the height direction of a door opening holding fixture can be positioned, and also attachment / detachment operation of a door opening holding fixture will be two steps, and removal of the door opening holding fixture by a third party other than an operator can be prevented.
[0014]
In addition, a guide that fits into the sill of the landing door can be provided in the lower part of the door opening holding device, so that when the door opening holding device is installed between the landing doors, the guide is inserted into the groove of the sill. By fitting, it can be confirmed that the U-shaped engaging portion of the door opening holding device is securely fitted to the bent portion of the landing door.
[0015]
In addition, the present invention has a bent portion at the periphery in the width direction and opens or closes a double-open type landing door that opens from the center to the left and right, and when checking or checking the equipment in the hoistway from the landing side, A door opening and holding device for an elevator landing door that is inserted between landing doors and maintains the distance between the landing doors, and is formed at a base portion inserted between the landing doors and bent portions of the landing doors provided on both sides of this base portion. An L-shaped engagement portion that is fitted to the inverted L-shaped notch and prevents the landing door from moving to the door closing side and the door opening side is provided.
[0016]
According to the present invention, the double-open type landing door is slightly opened, the door opening holding device is inserted, and the L-shaped engaging portion is easily fitted to the notch provided at the edge of the landing door. In addition to being installed by work, the opening / closing operation of the door-opening holding device is a two-step process, so that the general user can be prevented from removing the door-opening holding device, and the configuration of the door-opening holding device can be simplified.
[0017]
Furthermore, the door opening holding device can be provided with a handle at the base, and the operability can be improved by holding the handle when the door opening holding device is installed.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below. FIG. 1 is a front view showing a door opening state in an elevator hall according to the present invention. Platform doors 9 and 10 that open from the center to the left and right are provided in a three-way frame 8 of the platform 7. When checking or checking equipment in the hoistway from the landing side, first, an unlocking operation for opening the landing doors 9 and 10 is performed. For example, the unlocking operation is generally performed by inserting a key through a key hole 13 provided in the landing door 10 with a locking device 12 provided inside the curtain plate portion 11 of the three-way frame 8. There are other configurations such as inserting an operation tool through the gap between the section 11 and the landing doors 9 and 10. After unlocking the landing doors 9 and 10, an operator holds the landing doors 9 and 10 in a slightly opened state so that the inside of the hoistway can be confirmed. A door opening holding device is used in order to hold the door opening interval at a predetermined size.
[0019]
2 (a) and 2 (b) are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall door according to the first embodiment of the present invention. FIG. 3 is a perspective view showing the door opening holding device used in FIG.
[0020]
2 and 3, the landing doors 9 and 10 are respectively provided with hangers 16 and 17 having rollers 14 and 15 at the top, and a door opening / closing mechanism (not shown) is driven to drive the rollers 14 and 15 of the hangers 16 and 17. Is configured to open left and right from the center by rolling on the door rail 18. The landing doors 9 and 10 are provided with reinforcing portions 9a, 9b, 10a, and 10b that are bent in an L shape inwardly at the edge portions in the vertical and width directions on the back side (the hoistway side). Of these, the door opening holding device 19 is attached by using the bent portions 9b and 10b provided at the end edges in the width direction. The door opening holding device 19 is fitted to a base portion 19a inserted between the landing doors 9 and 10 and bent portions 9b and 10b of the landing doors provided on both sides of the base portion 19a. U-shaped engaging portions 19b and 19b that prevent movement to the door closing side and the door opening side are provided. This door opening holding device 19 is inserted into the hoistway side from the landing side through a slightly opened gap of the landing doors 9 and 10, and then the U-shaped engaging portions 19 b and 19 b are on the door-to-door side of the landing doors 9 and 10. It is pulled back to the landing side so as to be fitted to the bent portions 9b and 10b, and is attached between the landing doors 9 and 10. As a result, when the landing doors 9 and 10 of the type that opens to the left and right move toward the door closing side, the contact surfaces of the front doors of the landing doors 9 and 10 come into contact with the U-shaped engaging portions 19b and 19b, so that the movement is possible. Also, when the landing doors 9 and 10 move to the door closing side, the bent portions 9b and 10b of the landing doors 9 and 10 come into contact with the U-shaped engagement portions 19b and 19b to prevent the movement. The space | interval of the doors 9 and 10 can be hold | maintained to a predetermined dimension.
[0021]
As described above, according to the present embodiment, the landing doors 9 and 10 are slightly attached to the double-opening type landing doors 9 and 10 that open from the center to the left and right, regardless of the configuration of the three-way frame curtain plate portion and the landing doors. The door opening holding device 19 is inserted and the U-shaped engaging portions 19b and 19b of the door opening holding device 19 are fitted into the bent portions 9b and 10b provided at the edge portions of the landing doors 9 and 10, respectively. It can be installed so that the doors can be held at predetermined intervals between the landing doors 9 and 10 with a simple operation. Moreover, the longitudinal dimension of the door-opening holding device 19 can be configured to be substantially the same as the dimension of the opening distance between the doors 9 and 10 plus the width of the bent portions 9b and 10b at the edge portions of the landing doors 9 and 10. The door opening holding device 19 can be configured in a small size.
[0022]
FIGS. 4 (a), 4 (b) and 5 (a), 5 (b) are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall door according to the second embodiment of the present invention. FIG. FIG. 6 is a perspective view showing the door opening holding device used in FIGS. 4 and 5. 4 to 6, in the present embodiment, the notches 9c and 10c are formed in the middle portion in the height direction of the bent portions 9b and 10b of the landing doors 9 and 10, and the door opening holding device 19 is formed. The U-shaped engaging portions 19b and 19b can be inserted through the notches 9c and 10c from the front-rear direction, and the bent portions 9b and 10b other than the notches 9c and 10c are front-rear. Protrusions 20, 20 that overlap in the direction are further provided.
[0023]
As shown in FIG. 4, the door-opening holding device 19 is inserted into the gap between the landing doors 9 and 10 and then pulled back to the landing side at the position of the notches 9c and 10c in the lateral direction. 20 and 20 move to the landing side without contacting the bent portions 9b and 10b of the landing doors 9 and 10. In this state, as shown in FIG. 5, if the door-opening holding device 19 is moved downward, the protrusions 20 and 20 are placed at positions overlapping with the bent portions 9 b and 10 b in the front-rear direction. become.
[0024]
Therefore, in this way, the U-shaped engagement portions 19b and 19b can provide the same effects as those of the first embodiment, and the door opening and holding device 19 can be attached and detached from the state shown in FIG. 4 to the state shown in FIG. Or the reverse of the two steps, and the general user cannot easily understand that the door-opening holding device 19 is attached in such an attaching / detaching step, so that the general user can remove the door-opening holding device 19. It is possible to prevent a fall accident to the hoistway caused by the landing doors 9 and 10 being opened by intentionally removing the door opening holding device 19 by a general user.
[0025]
FIGS. 7A and 7B are a rear view and a side view showing a door open holding state using the door opening holding device of the elevator hall door according to the third embodiment of the present invention. FIG. 8 is a perspective view showing the door opening holding device used in FIG. 7 and 8, in the present embodiment, in addition to the configuration of the first embodiment, a guide 21 extending downward is attached to the base portion 19a of the door opening holding device 19, and this guide 21 is The sill 22 of the landing doors 9 and 10 has a width substantially the same as the width of the groove 22a. When the door opening holding device 19 is installed between the landing doors 9 and 10, the guide 21 is provided with the groove 22a of the sill 22. It can be confirmed that the U-shaped engaging portions 19b and 19b of the door opening holding device 19 are securely fitted to the bent portions 9b and 10b of the landing doors 9 and 10 by being fitted into the door opening holding device 19. Moreover, when an external force is applied to the door opening holding device 19 toward the landing side, the force transmitted to the landing doors 9 and 10 is alleviated to reduce the deformation of the landing doors 9 and 10, and When an external force is applied to the open holding device 19 toward the hoistway side, the door opening holding device 19 can be prevented from coming off.
[0026]
FIGS. 9 (a), 9 (b), 10 (a), and 10 (b) are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall according to the fourth embodiment of the present invention. FIG. 9 and 10, in the present embodiment, inverted L-shaped cutout portions 9d and 10d are formed in the intermediate portion in the height direction of the bent portions 9b and 10b of the landing doors 9 and 10, The door opening holding tool 29 can be inserted from both sides of the base portion 29a into the wide portions of the cutout portions 9d and 10d from the front and rear direction and to the narrow portions of the cutout portions 9c and 10c. L-shaped engaging portions 29b and 29b that overlap in the direction are provided.
[0027]
As shown in FIG. 9, the door opening holding device 29 is inserted through the gap between the landing doors 9 and 10 and then pulled back to the landing side at the wide portion of the notches 9d and 10d in the horizontal direction. The L-shaped engaging portions 29b, 29b move to the landing side without coming into contact with the bent portions 9b, 10b of the landing doors 9, 10, and in this state, as shown in FIG. Is moved downward, the L-shaped engaging portions 29b and 29b are placed at positions overlapping with the bent portions 9b and 10b in the front-rear direction, and are sandwiched between the narrow portions of the notches 9d and 10d. It will be.
[0028]
Accordingly, in the door opening holding device 29, the L-shaped engaging portions 29b and 29b are fitted into the narrow portions of the notches 9d and 10d provided in the bent portions 9b and 10b of the landing doors 9 and 10 so as to be detached. In addition to being prevented, the landing doors 9 and 10 can be prevented from moving to the door closing side and the door opening side, and the door opening can be maintained at a predetermined size. Similarly to the second embodiment, the opening / closing operation of the door opening holding device 29 is changed from the state shown in FIG. 9 to the state shown in FIG. 10 or vice versa, and the door opening holding device 19 is removed by a general user. It is possible to prevent a fall accident to the hoistway caused by the landing doors 9 and 10 being opened by intentionally removing the door opening holding device 19 by a general user. Furthermore, the folding shape of the door opening holding device 29 can be simplified and the weight can be reduced.
[0029]
FIG. 11 is a perspective view showing a door opening holding device for an elevator landing door according to a fifth embodiment of the present invention. In FIG. 11, in this embodiment, a handle 23 is attached to the front side (the landing side) of the base 19a of the door opening holding device 19 or 29 in the first to fourth embodiments. The operability can be improved by holding the handle 23 when the holding device 19 is installed, and the door opening holding device 19 is attached to the handle 23 by hooking a hook (not shown) of a safety belt. It can prevent accidentally dropping into the hoistway.
[0030]
【The invention's effect】
As described above, according to the elevator door opening and holding device of the present invention, when checking or checking the equipment in the hoistway from the landing side by slightly opening the double-opening type landing door that opens from the center to the left and right, A door opening and holding device for an elevator landing door that is inserted between landing doors and maintains the distance between the landing doors, and is fitted to a base portion inserted between the landing doors and bent portions of the landing doors provided on both sides of the base portion. With the engagement part that prevents movement of the landing door to the door closing side and door opening side, it is small and opens from the center to the left and right, regardless of the configuration of the three-sided frame curtain and landing door It can be installed with a simple operation between the two types of landing doors and can be held with a slight gap between the two landing doors.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a front view showing a door opening state in an elevator hall according to the present invention.
FIGS. 2A and 2B are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall door according to the first embodiment of the present invention.
FIG. 3 is a perspective view showing a door opening holding device used in FIG. 2;
FIGS. 4A and 4B are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall door according to the second embodiment of the present invention.
FIGS. 5A and 5B are a rear view and a plan view showing different door-opening holding situations using the door-opening holding device for the elevator landing door according to the second embodiment shown in FIG. 4;
6 is a perspective view showing a door opening holding device used in FIGS. 4 and 5. FIG.
FIGS. 7A and 7B are a rear view and a side view showing a door open holding state using the door opening holding device of the elevator hall door according to the third embodiment of the present invention.
8 is a perspective view showing the door opening holding device used in FIG. 7. FIG.
FIGS. 9A and 9B are a rear view and a plan view showing a door open holding state using the door opening holding device of the elevator hall door according to the fourth embodiment of the present invention.
FIGS. 10A and 10B are a rear view and a plan view showing different door-opening holding states using the door-opening holding device for the elevator landing door according to the fourth embodiment of the present invention shown in FIG. is there.
FIG. 11 is a perspective view showing a door opening holding device for an elevator landing door according to a fifth embodiment of the present invention.
FIG. 12 is a schematic configuration diagram showing a door opening holding configuration in a conventional elevator landing door.
FIG. 13 is a schematic diagram showing a conventional elevator landing door.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1,9,10 ... Standing door 2 ... Header case 3 ... Door opening holding device 4 ... Three-sided frame curtain board part 5 ... Gap 6 ... Operation tool 7 ... Standing-up 8 ... Three-way frame 9a, 9b, 10a, 10b ... Bending part 9c, 9d, 10c, 10d ... notch 11 ... curtain plate 12 ... locking device 13 ... keyhole 14, 15 ... roller 16, 17 ... hanger 18 ... door rail 19, 29 ... door opening holding device 19a, 29a ... base 19b , 29b ... engaging portion 20 ... projecting portion 21 ... guide 22 ... sill 22a ... groove

Claims (5)

それぞれ幅方向の端縁部に折曲げ部を有して中央から左右に開く両開きタイプの乗り場戸を少しだけ開けて昇降路内の機器を乗り場側より確認または点検する際に、前記乗り場戸間に挿入されてその間隔を保持するエレベータ乗り場戸の戸開保持器具であって、前記乗り場戸間に挿入される基部と、この基部の両側にそれぞれ設けられ前記乗り場戸の折曲げ部に嵌合されて前記乗り場戸の戸閉側および戸開側への移動を阻止するU字形係合部とを備えたことを特徴とするエレベータの戸開保持器具。When checking or inspecting the equipment in the hoistway from the landing side by slightly opening a double-opening type landing door that has a bent part at the edge in the width direction and opens from the center to the left and right, between the landing doors A door opening holding device for an elevator landing door that is inserted and holds the interval, and is fitted to a base portion inserted between the landing doors and bent portions of the landing door provided on both sides of the base portion, respectively. An elevator door-opening holding device comprising: a U-shaped engagement portion that prevents movement of the landing door toward the door-closing side and the door-opening side. 前記戸開保持器具のU字形係合部に、前記乗り場戸の折曲げ部の高さ方向の所定箇所に設けられた切り欠き部に対しては前後方向から挿通可能で且つこの切り欠き部以外の折曲げ部に対しては前後方向で重複する突出部を設けたことを特徴とする請求項1に記載のエレベータの戸開保持器具。The U-shaped engaging part of the door-opening holding device can be inserted from the front-rear direction into a notch provided at a predetermined position in the height direction of the bent part of the landing door, and other than this notch The elevator door-opening holding device according to claim 1, wherein a protruding portion that overlaps in the front-rear direction is provided for the bent portion. 前記戸開保持器具の下部に、前記乗り場戸のシルの溝に嵌合するガイドを設けたことを特徴とする請求項1または2に記載のエレベータの戸開保持器具。The elevator door-opening holding device according to claim 1, wherein a guide that fits into a groove of the sill of the landing door is provided at a lower portion of the door-opening holding device. それぞれ幅方向の端縁部に折曲げ部を有して中央から左右に開く両開きタイプの乗り場戸を少しだけ開けて昇降路内の機器を乗り場側より確認または点検する際に、前記乗り場戸間に挿入されてその間隔を保持するエレベータ乗り場戸の戸開保持器具であって、前記乗り場戸間に挿入される基部と、この基部の両側にそれぞれ設けられ前記乗り場戸の折曲げ部に形成された逆L字形の切り欠き部に嵌合されて前記乗り場戸の戸閉側および戸開側への移動を阻止するL字形係合部とを備えたことを特徴とするエレベータの戸開保持器具。When checking or inspecting the equipment in the hoistway from the landing side by slightly opening a double-opening type landing door that has a bent part at the edge in the width direction and opens from the center to the left and right, between the landing doors A door opening holding device for an elevator landing door that is inserted and holds the interval, and a base portion inserted between the landing doors, and a reverse formed on each side of the base portion and formed in a bent portion of the landing door. An elevator door-opening holding device, comprising: an L-shaped engagement portion that is fitted into an L-shaped cutout portion and prevents movement of the landing door to the door closing side and the door opening side. 前記戸開保持器具の基部に把手を設けたことを特徴とする請求項1ないし4のいずれかに記載のエレベータの戸開保持器具。The elevator door-opening holding device according to any one of claims 1 to 4, wherein a handle is provided at a base of the door-opening holding device.
JP2002227571A 2002-08-05 2002-08-05 Elevator door opener Expired - Lifetime JP4130104B2 (en)

Priority Applications (1)

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JP2002227571A JP4130104B2 (en) 2002-08-05 2002-08-05 Elevator door opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002227571A JP4130104B2 (en) 2002-08-05 2002-08-05 Elevator door opener

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JP5664082B2 (en) * 2010-09-30 2015-02-04 フジテック株式会社 Elevator door opening holding device
JP6177380B1 (en) * 2016-05-09 2017-08-09 三菱電機ビルテクノサービス株式会社 Elevator hall door stopper
CN110371817B (en) * 2019-07-29 2024-06-14 广东省特种设备检测研究院珠海检测院 Single-side opening measuring device for elevator landing door
JP6881520B2 (en) * 2019-08-14 2021-06-02 三菱電機ビルテクノサービス株式会社 Elevator door device
JP7372947B2 (en) * 2021-01-18 2023-11-01 株式会社日立ビルシステム Elevator work safety device

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