JP4574803B2

JP4574803B2 - Elevator door device

Info

Publication number: JP4574803B2
Application number: JP2000173628A
Authority: JP
Inventors: 喜彦小泉
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2000-06-09
Filing date: 2000-06-09
Publication date: 2010-11-04
Anticipated expiration: 2020-06-09
Also published as: JP2001348177A

Description

【０００１】
【発明の属する技術分野】
この発明は、エレベータ用ドア装置に関するものである。
【０００２】
【従来の技術】
図６は従来のエレベータ用ドア装置の縦断面図である。図において、１はエレベータのかごに設置されたかご側扉、３はかご側扉１に設置され、かご側扉１と乗場側扉とが開閉する際に後述する乗場側係合手段１１と係合しあうかご側係合手段、１１は乗場側扉（図示せず）に設置され、かご側扉１と乗場側扉とが開閉する際にかご側係合手段３と係合しあう乗場側係合手段、１２はかごの乗場側の先端を示すかご敷居線、１３は乗場のかご側の先端を示す乗場敷居線、Ｃ２はかご敷居線１２と乗場敷居線１３との敷居間隔である。
【０００３】
尚、かご側係合手段３と乗場側係合手段１１とは共にドアハンガーなどに固定されている。その為、エレベータ走行時及びドア開閉時において、かご側係合手段３と乗場敷居線１３、或いは乗場側係合手段１１とかご敷居線１２との間隔は一定となる。
【０００４】
また、エレベータのかごの周辺機器における製造上のバラツキ及び据付裕度、または地震時の水平方向の揺れなどを考慮に入れると、かご側と乗場側の各々の機器の干渉を防止する上で、一定寸法以上必要となる。その為、かご側係合手段３と乗場側係合手段１１の大きさや取付位置等により、敷居間隔Ｃ２は自ずと決まるものである。
【０００５】
次に、エレベータの扉の開閉動作について説明する。
まず、かご側扉１がかごに備え付けられたモータ等の開閉手段により開く。
その際、かご側係合手段３は乗場側係合手段１１と係合しあう。即ち、かご側扉１と乗場側扉とは、各々のかご側係合手段３と乗場側係合手段１１とを介して一体となり、かご側扉１の開く動作と同じくして乗場側扉も開く動作をする。尚、完全に開いた状態においても、かご側係合手段３と乗場側係合手段１１とは係合したままの状態を保っている。
【０００６】
次に、かご側扉１がかごに備え付けられたモータ等の開閉手段により閉まる。
その際、上述したように、かご側係合手段３は乗場側係合手段１１と係合したままの状態を保っている。即ち、かご側扉１と乗場側扉とは、各々のかご側係合手段３と乗場側係合手段１１とを介して一体となった状態である。よって、かご側扉１の閉まる動作と同じくして乗場側扉も閉まる動作をする。尚、完全に閉まった状態では、かご側係合手段３と乗場側係合手段１１とは係合しない状態となっている。その為、エレベータの昇降時においては、かご側係合手段３と乗場側係合手段１１とは干渉しない。
【０００７】
【発明が解決しようとする課題】
近年、建築物に対し、特に公共性の高い建築物に対しては身障者及び高齢者に対する利便性の向上が要求される場合が多く、エレベータに対する要求も同様である。しかし、上述した従来の技術の様にエレベータの敷居間隔Ｃ２が広い場合があった。
【０００８】
この発明は、上述の問題点を解消するためになされたもので、エレベータ昇降時にはかご側扉と乗場側扉の機器とが干渉せず、且つかご側扉と乗場側扉との敷居間隔を狭くして乗り降りし易いエレベータ用ドア装置を提供することを目的とする。
【０００９】
【課題を解決するための手段】
この発明に係るエレベータ用ドア装置は、かごに設置され、かご側係合手段を有するかご側扉と、乗場に設置され、乗場側係合手段を有する乗場側扉とを備え、かご側係合手段と乗場側係合手段とが係合し、かご側扉と乗場側扉とが一体となって開閉するエレベータ用ドア装置であって、一端がかごに接続され、他端がかご側係合手段に接続され、かご側係合手段を上下方向に移動させる移動機構と、上から下へかご側扉から乗場側扉へ近づく傾斜面を有してかご側扉に設置され、かご側係合手段の上下方向の移動を案内する案内手段とを備え、かご側扉が開く際には、移動機構によりかご側係合手段が傾斜面上を下方へ移動し、かご側扉が閉じる際には、移動機構によりかご側係合手段が傾斜面上を上方へ移動するものである。
【００１４】
【発明の実施の形態】
実施の形態１．
本実施の形態において、従来の技術と同一の符号を付した箇所は同一または相当部分を示す。
図１はこの発明のエレベータ用ドア装置により全閉時若しくはエレベータ走行時の全体図、図２は全開時の全体図、図３（ａ）は図１におけるＡ−Ａ断面図、図３（ｂ）は図２におけるＢ−Ｂ断面図、図４（ａ）は図３（ａ）におけるＣ−Ｃ断面図、図４（ｂ）は図３（ｂ）におけるＤ−Ｄ断面図である。これらの図において、１はエレベータのかごに設置されたかご側扉、２は上から下に向けてかご側扉１から乗場側扉へ近づく傾斜面を有してかご側扉１の側面に固着され、後述する案内手段４をかご側扉１に設置する為の座、３は縦に細長い一対の係合部３ａを有し、かご側扉１と後述する乗場側扉１４とが開閉する際、この係合部３ａが乗場側係合手段１１と係合することにより乗場側係合手段１１と係合し合うかご側係合手段、４はコの字状に形成され、コの字状によって形成される溝とかご側係合手段３と嵌合してかご側係合手段３を上下方向に案内する案内手段である。
【００１５】
また、５は両端が後述する筐体８とかご側係合手段３とに自在ベアリングで接続された２連式のリンク、６はかご側扉１を筐体８の後述するドアレール７から吊り下げる吊具、７はかご側扉１の開閉時に吊具６を水平方向に案内するドアレール、８はドアレール７を有し、かごに設置された筐体、９は無端状のベルトの両端を滑車に巻きつけて筐体８に設けられ、後述する駆動手段１０によってベルトを駆動させ、吊具６を左右に移動させる伝動手段、１０は伝動手段９のベルトを区動させる駆動手段、１１は乗場側扉１４に設置され、かご側扉１と乗場側扉１４とが開閉する際にかご側係合手段３と係合しあう乗場側係合手段、１２はかごの乗場側の先端を示すかご敷居線、１３は乗場のかご側の先端を示す乗場敷居線、１４はエレベータの乗場に設置された乗場側扉、Ｃ１はかご敷居線１２と乗場敷居線１３との敷居間隔である。
【００１６】
尚、案内手段４は、例えば、断面がコの字状になるように折り曲げられて形成されている。
尚、案内手段４の溝に嵌合したかご側係合手段３は、嵌合したまま溝に沿って上下方向に移動可能な構成となっている。
尚、リンク５の両端に筐体８とかご側係合手段３とを自在ベアリングで接続したが、自在ベアリングに限定するものではなく、自在継手のようにリンク５が接続個所で自由な方向に可動できればどのようなものを使用しても構わない。
尚、座２と案内手段４とを一体構成しても構わない。
【００１７】
次に、図１、図２、図３、図４よりエレベータの扉の開閉動作について説明する。
【００１８】
（１）エレベータ走行時
まず、図１を用いて、エレベータ走行時の扉の状態について説明する。
エレベータ走行時は扉が閉まっている状態、即ち図１に示す状態であり、駆動手段１０によって吊具６が中央に寄せられ、吊具６に吊り下げられているかご側扉１は完全に閉まった状態である。
【００１９】
また、かご側係合手段３は案内手段４の溝に沿って上下方向のみ移動可能な状態となっており、且つリンク５によって筐体８に接続されている。よって、全閉時においては、かご側係合手段３はリンク５によって案内手段４の溝に沿って上方に引っ張られている状態となり、案内手段４の溝の最上位に位置されている。
【００２０】
次に、図３及び図４（ａ）を用いてかご側係合手段３の状態について説明する。
まず、エレベータ走行時の状態における縦断面図は図３（ａ）に示す通りである。図に示す通り、座２は上端においてはかご側扉１に一番近く、一方下端においてはかご側扉１から一番遠くなるような径斜面を有している。即ち、図３（ａ）のように座２の断面は上底より下底のほうが長い台形の形状を有している。
【００２１】
また、案内手段４が座２に沿って設置されていることから、かご側係合手段３が案内手段４の最上位に位置されていることは、つまり、かご側係合手段３がかご側扉１に一番近い位置に位置されていることとなる。
【００２２】
一方、エレベータ走行時の状態の横断面図は図４（ａ）に示す通りである。上述した通り、かご側係合手段３がかご側扉１に一番近い位置に位置されていることとなる。その為、図に示す通り、かご側係合手段３の係合部３ａと乗場側扉１４とは互いに離れた状態となっている。また、かご側係合手段３の係合部３ａと乗場側係合手段１１とお互いにほとんど係合していない状態となっている。
【００２３】
つまり、エレベータ走行時においてはかご側係合手段３がかご側扉１に一番近い位置に位置されている為、かご側係合手段３若しくは係合部３ａと乗場側の種々の機器とはほとんど干渉しない。その為、乗場側敷居線１３とかご側敷居線との間隔Ｃ１は従来例における間隔Ｃ２に比べ小さくすることが可能となる。即ち、Ｃ１≦Ｃ２とすることができる。
【００２４】
（２）扉の開く時
まず、図１及び図２を用いて、扉の開く動作について説明する。
エレベータが所望の階に着床した後、扉が開くこととなる。
まず、図１に示すようなエレベータ走行時の状態、即ち完全に扉が閉じた状態から、駆動手段１０によって伝動手段９のベルトを駆動させ、吊具６を左右に移動させる。即ち、吊具６に吊り下げられているかご側扉１がドアレール７に沿って、吊具６と同じく左右に開くこととなる。
【００２５】
この際、リンク５が筐体８との接続点を中心に回転すると、同時にかご側係合手段３はリンク５によって上方へ引っ張られながらも、自重に従って案内手段４の溝に沿って下方へ移動する。
【００２６】
次に、かご側係合手段３は案内手段４の最下位に位置される。しかし、かご側扉１は開いている動作の最中であるので、２連のリンク５がくの字になりながら、更にかご側扉１が開く。
【００２７】
次に、かご側扉１が完全に開いた段階で、駆動手段１０は停止し、扉の開く動作は終了する。このように、扉が完全に開いた状態は図２に示す通りである。
尚、かご側係合手段３と乗場側係合手段１１（図示せず）とは係合状態を保ったままである。
【００２８】
次に、図３及び図４を用いて、かご側係合手段３の動作について説明する。
まず、エレベータが所望の階に着床した時は、上述したようにエレベータ走行時の状態、即ち完全に扉が閉じた状態となっている。この状態は、図３（ａ）及び図４（ａ）に示す通りである。つまり、図３（ａ）のようにかご側係合手段３は案内手段４の最上位に位置されており、且つ図４（ａ）のようにかご側係合手段３と乗場側係合手段１１とは一番遠くになるようになっており、両者はほとんど係合していない状態となっている。
【００２９】
次に、上述したようにかご側扉１が開くと共に、かご側係合手段３が案内手段４の最上位の位置から案内手段４に沿って下方へと移動する。この際、図３（ａ）に示すように、案内手段４は下方に向かってかご側扉１から遠ざかるような傾斜面が設けられている。つまり、かご側係合手段３が案内手段４に沿って下方へ移動することは、同時にかご側係合手段３が乗場側扉１４（図示せず）に近づくことと等価であり、かご側係合手段３と乗場側係合手段１１との係合する部分が増すことを意味する。
【００３０】
よって、図３（ａ）に示すように、かご側係合手段３が案内手段４の下方へ移動し、かご側扉１の左右方向の移動に伴い、かご側扉１と一体となって乗場側係合手段１１（図示せず）と係合しながら移動することとなり、即ちかご側扉１と乗場側扉１４とが一体となって開くこととなる。
【００３１】
次に、かご側係合手段３は案内手段４の最下位に位置される。かご側扉１が完全に開いた段階で、駆動手段１０は停止し、扉の開く動作は終了する。この状態は図３（ｂ）及び図４（ｂ）に示す通りである。
【００３２】
上述した通り、座２が傾斜面を有している為、かご側係合手段３が案内手段４の最下位に位置されていることは、かご側係合手段３がかご側扉１から一番遠い位置に位置されていることとなる。その為、図３（ｂ）及び図４（ｂ）に示す通り、かご側係合手段３の係合部３ａと乗場側係合手段１１とは互いに一番接近した状態となっている。即ち、扉が開く時はエレベータ走行時に比べ、かご側係合手段３と乗場側係合手段１１とがより係合した状態となり、かご側扉１と乗場側扉１４とが一体となって開くこととなる。
尚、扉が開いている間は、かご側係合手段３と乗場側係合手段１１とは係合状態を保ったままである。
【００３３】
（３）扉の閉まる時
まず、図１及び図２を用いて、扉の開く動作について説明する。
人の乗り降り等が終了すると、扉が閉まることとなる。
まず、完全に扉が開いた図２の状態から駆動手段１０が扉の開く時と正反対の動作をして、ベルトに扉の開く時と逆の回転を生じさせ、吊具６を中央に移動させる。即ち、吊具６に吊り下げられているかご側扉１がドアレール７に沿って、吊具６と同じく中央に集まり、扉が閉まることとなる。
【００３４】
この際、リンク５が筐体８との接続点を中心に回転しながら、同時にかご側係合手段３を案内手段４の溝に沿って上方へ引っ張る。また、かご側係合手段３と乗場側係合手段１１（図示せず）とが係合した状態のまま移動する。即ち、かご側扉１と乗場側扉１４とが一体となって閉まることとなる。
【００３５】
次に、かご側扉１が完全に閉じた段階で、駆動手段１０は停止し、扉の閉まる動作は終了する。この状態は図１に示す通りである。
この際、かご側係合手段３と乗場側係合手段１１との係合は、この段階で、完全に外れた状態、即ち、エレベータ走行時と同じ状態となる。
【００３６】
次に、図３及び図４を用いて、かご側係合手段３の動作について説明する。
扉が完全に開いた時の状態は、図３（ｂ）若しくは図４（ｂ）に示す通りである。この状態から、扉が閉まると共にかご側係合手段３はリンク５に引っ張られながら案内手段４に沿って上方へ移動すると同時に乗場側係合手段１１から遠ざかっていく。
【００３７】
次に、完全に扉が閉じるとかご側係合手段３は案内手段４の最上位、且つ乗場側係合手段１１から一番遠い位置に位置される。即ちエレベータ走行時の状態となる。
その後、エレベータは所望の階へと移動を開始する。
【００３８】
このように、本実施の形態においては上述した構成をしているので、エレベータ走行時においてはかご側係合手段３が乗場側扉１４から離れて位置されておりかご側係合手段３と乗場側係合手段１１とは係合せず、扉開閉時おいてのみかご側係合手段３が乗場側扉１４に近づいて位置されてかご側係合手段３と乗場側係合手段１１とが係合する。その為、エレベータ走行時におけるかご側係合手段３と乗場側の機器との干渉が少なくなり、よりエレベータ走行時における信頼性が向上する。
【００３９】
また、扉開閉時にかご側係合手段３が乗場側に近い位置に位置される為、乗場側係合手段１１をかご側へあまり近づけなくて良い為、エレベータ走行時において、乗場側係合手段１１とかご側係合手段３を含むかご側の機器との干渉が少なくなり、よりエレベータ走行時における信頼性が向上する。
また、エレベータ走行時はかご側係合手段３が乗場側より離れて位置される為、乗場敷居線１３とかご敷居線１２との間隔をより小さくすることができる。
【００４０】
また、乗場敷居線１３とかご敷居線１２との間隔をより小さくした為、より乗降し易くなる。
【００４１】
実施の形態２．
本実施の形態において、従来の技術と同一の符号を付した箇所は同一または相当部分を示す。
図５（ａ）は実施の形態１における案内手段４の他の形態を示す断面図であり、図４の断面図に相当する。尚、乗場側係合手段１１及び乗場側扉１４は図示していない。図において、３は縦に細長い一対の係合部３ａと、後述する折り曲げ部４ａと嵌合する溝部３ｂとを有したかご側係合手段、４はコの字状を形成して、更にコの字状の両端部を更に内側に折り曲げた折り曲げ部４ａを形成した案内手段である。尚、案内手段４はコの字状によって形成される溝とかご側係合手段３と嵌合してかご側係合手段３を上下方向に案内するものである。
【００４２】
尚、かご側係合手段３と案内手段４とが嵌合する際に、かご側係合手段３の溝部３ｂと案内手段４の折り曲げ部４ａとが互いに嵌合するように構成されている。
【００４３】
次に、動作について説明する。
扉の開閉については、実施の形態と同様であるので省略する。
尚、かご側係合手段３が案内手段４に沿って上下方向に移動する際、折り曲げ部４ａと溝部３ｂとが嵌合した状態で移動する。即ち、かご側係合手段３が上下移動する際に、案内手段４から外れることが無い。
【００４４】
図５（ｂ）は実施の形態１における案内手段４の他の形態を示す断面図であり、図４の断面図に相当する。尚、乗場側係合手段１１及び乗場側扉１４は図示していない。図において、３は縦に細長い一対の係合部３ａを有するかご側係合手段、４はコの字状を形成して、更にコの字状の両端部を更に内側に折り曲げた折り曲げ部４ａを形成した案内手段である。尚、案内手段４はコの字状によって形成される溝とかご側係合手段３と嵌合してかご側係合手段３を上下方向に案内するものである。
【００４５】
尚、かご側係合手段３と案内手段４とが嵌合する際に、案内手段４の折り曲げ部４ａがかご側係合手段３の側面全体を保持する構成となっている。
【００４６】
次に、動作について説明する。
扉の開閉については、実施の形態と同様であるので省略する。
尚、かご側係合手段３が案内手段４に沿って上下方向に移動する際、折り曲げ部４ａがかご側係合手段３の側面全体を保持した状態で移動する。即ち、かご側係合手段３が上下移動する際に、案内手段４から外れることが無い。
【００４７】
このように、本実施の形態においては上述した構成をしているので、扉開閉動作に伴うかご側係合手段３の上下方向移動の際に、かご側係合手段３が案内手段４から外れること無く、信頼性が向上する。
【００４８】
尚、各実施の形態では、両開きの扉を有するエレベータについて説明したが、片開きの扉の場合でも構わない。
【００４９】
尚、各実施の形態において、かご側係合手段３の係合部係合部３ａは、単に乗場側係合手段１１と係合すると延べた。しかし、かご側係合手段３の係合部係合部３ａが乗場側係合手段１１を挟持する機構を有し、扉開閉時おいてはかご側係合手段３が乗場側扉１４に近づいて位置されると共に係合部係合部３ａが乗場側係合手段１１を挟持することによりかご側係合手段３と乗場側係合手段１１とが係合し、一方エレベータ走行時においてはかご側係合手段３が乗場側扉１４から遠い位置に位置されると共に係合部係合部３ａが乗場側係合手段１１を挟持しない構成としても構わない。
【００５０】
尚、各実施の形態では、図３（ａ）の縦断面図に示すように、座２の形状を断面が上底より下底のほうが長い台形の形状としたが、断面が三角形の形状でも構わない。つまり、案内手段４が上述したような傾斜を有すれば、座２の形状は特に限定するものではない。
【００５１】
更に、座２及び案内手段４は傾斜を有する平面でなくても曲面、即ち、図３において案内手段４が曲線となるような構造でも構わない。つまり、かご側扉１から案内手段４まで距離が上端よりも下端のほうが遠くなっており、且つ案内手段４上をかご側係合手段３が滑らかに移動可能であれば、特に形状は限定しない。
【００５２】
尚、各実施の形態において、案内手段４の傾斜角度は特定の値に限定するものではない。傾斜を変えることは、即ちかご側係合手段３と乗場側係合手段１１までの距離を変えることに等しい。
【００５３】
よって、一般にエレベータの設置条件によって敷居間隔Ｃ２は異なるが、傾斜角度を調節し、即ちかご係合手段３と乗場側係合手段１１との距離を調節することにより、かご係合手段３と乗場側係合手段１１とが係合するまでの時間を調節することができる。その為、エレベータの設置条件によらず、エレベータの着床から扉の開くまでのタイミングを一定にすることができる。
【００５８】
【発明の効果】
この発明に係るエレベータ用ドア装置は、かごに設置され、かご側係合手段を有するかご側扉と、乗場に設置され、乗場側係合手段を有する乗場側扉とを備え、前記かご側係合手段と前記乗場側係合手段とが係合し、かご側扉と乗場側扉とが一体となって開閉するエレベータ用ドア装置であって、一端が前記かごに接続され、他端が前記かご側係合手段に接続され、前記かご側係合手段を上下方向に移動させる移動機構と、上から下へ前記かご側扉から乗場側扉へ近づく傾斜面を有して前記かご側扉に設置され、前記かご側係合手段の上下方向の移動を案内する案内手段とを備え、前記かご側扉が開く際には、前記移動機構により前記かご側係合手段が前記傾斜面上を下方へ移動し、前記かご側扉が閉じる際には、前記移動機構により前記かご側係合手段が前記傾斜面上を上方へ移動するものなので、エレベータ走行時はかご側係合手段３が乗場側より離れて位置される為、乗場敷居線１３とかご敷居線１２との間隔をより小さくすることができる。
【図面の簡単な説明】
【図１】この発明によるエレベータ用ドア装置の全閉時の全体図。
【図２】この発明によるエレベータ用ドア装置の全開時の全体図。
【図３】この発明によるエレベータ用ドア装置の縦断面図。（ａ）は全開時、（ｂ）は全閉時。
【図４】この発明によるエレベータ用ドア装置の横断面図。（ａ）は全開時、（ｂ）は全閉時。
【図５】この発明によるエレベータ用ドア装置の他の実施における案内手段とかご側係合手段とを示す横断面図図。
【図６】従来の技術によるエレベータ用ドア装置の側面図。（ａ）は全開時、（ｂ）は全閉時。
【符号の説明】
１かご側扉、２座、３かご側係合手段、３ａ係合部、３ｂ溝部、４案内手段、４ａ折り曲げ部、５リンク、６吊具、７ドアレール、８筐体、９伝動手段、１０駆動手段、１１乗場側係合手段、１２かご敷居線、１３乗場敷居線、１４乗場側扉。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an elevator door device.
[0002]
[Prior art]
FIG. 6 is a longitudinal sectional view of a conventional elevator door device. In the figure, 1 is a car side door installed in an elevator car, 3 is installed in a car side door 1, and is engaged with a landing side engaging means 11 described later when the car side door 1 and the landing side door are opened and closed. The mating car side engaging means 11 is installed on a landing side door (not shown), and the landing side engages with the car side engaging means 3 when the car side door 1 and the landing side door open and close. Engaging means, 12 is a car sill line indicating the front end of the car on the landing side, 13 is a landing sill line indicating the front end of the car on the landing side, and C2 is a threshold interval between the car sill line 12 and the landing sill line 13.
[0003]
The car side engaging means 3 and the landing side engaging means 11 are both fixed to a door hanger or the like. Therefore, the distance between the car-side engaging means 3 and the landing threshold line 13 or the landing-side engaging means 11 and the car threshold line 12 is constant when the elevator travels and when the door is opened and closed.
[0004]
In addition, taking into account manufacturing variations and installation margins in the elevator car peripheral equipment, or horizontal shaking during an earthquake, in order to prevent interference between the car side and landing side equipment, More than a certain size is required. For this reason, the threshold interval C2 is naturally determined by the size, the mounting position, and the like of the car-side engaging means 3 and the landing-side engaging means 11.
[0005]
Next, an opening / closing operation of the elevator door will be described.
First, the car-side door 1 is opened by an opening / closing means such as a motor provided in the car.
At that time, the car-side engaging means 3 engages with the landing-side engaging means 11. That is, the car-side door 1 and the landing-side door are integrated with each other through the car-side engaging means 3 and the landing-side engaging means 11, and the landing-side door is the same as the opening operation of the car-side door 1. Open action. Even in the fully opened state, the car side engaging means 3 and the landing side engaging means 11 remain engaged.
[0006]
Next, the car-side door 1 is closed by opening / closing means such as a motor provided on the car.
At that time, as described above, the car-side engaging means 3 remains engaged with the landing-side engaging means 11. That is, the car side door 1 and the landing side door are in an integrated state via the car side engaging means 3 and the landing side engaging means 11. Therefore, the landing side door is also closed in the same manner as the car side door 1 is closed. In the fully closed state, the car side engaging means 3 and the landing side engaging means 11 are not engaged. Therefore, the car side engaging means 3 and the landing side engaging means 11 do not interfere when the elevator is raised and lowered.
[0007]
[Problems to be solved by the invention]
In recent years, it is often required to improve the convenience for the handicapped and the elderly, especially for buildings with high publicity, and the requirements for elevators are also the same. However, there is a case where the elevator threshold C2 is wide as in the conventional technique described above.
[0008]
The present invention has been made to solve the above-described problems. When the elevator is lifted, the car-side door and the landing-side door do not interfere with each other, and the sill interval between the car-side door and the landing-side door is narrow. It is an object of the present invention to provide an elevator door device that is easy to get on and off.
[0009]
[Means for Solving the Problems]
An elevator door device according to the present invention includes a car-side door that is installed in a car and has car-side engaging means, and a landing-side door that is installed in a landing and has landing-side engaging means. Elevator door device in which the vehicle side door and the landing side door are integrally opened and closed, with one end connected to the car and the other end engaged with the car side. The car-side engagement means is installed on the car-side door with a moving mechanism that moves the car-side engaging means up and down, and an inclined surface that approaches the car-side door from the car-side door to the landing-side door. Guide means for guiding the vertical movement of the means, and when the car-side door is opened, the car-side engaging means is moved downward on the inclined surface by the moving mechanism, and the car-side door is closed. The car-side engaging means is moved upward on the inclined surface by the moving mechanism .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
In the present embodiment, the portions denoted by the same reference numerals as those in the prior art indicate the same or corresponding portions.
FIG. 1 is an overall view when the elevator door device of the present invention is fully closed or during elevator travel, FIG. 2 is an overall view when fully opened, FIG. 3A is a cross-sectional view taken along line AA in FIG. ) Is a cross-sectional view taken along line BB in FIG. 2, FIG. 4A is a cross-sectional view taken along line CC in FIG. 3A, and FIG. 4B is a cross-sectional view taken along line DD in FIG. In these drawings, reference numeral 1 denotes a car side door installed in the elevator car, 2 denotes an inclined surface approaching from the car side door 1 to the landing side door from the top to the bottom, and is fixed to the side surface of the car side door 1 A seat 3 for installing the guide means 4 to be described later on the car side door 1 has a pair of vertically elongated engaging portions 3a. When the car side door 1 and the landing side door 14 to be described later open and close. When the engaging portion 3a is engaged with the landing side engaging means 11, the car side engaging means 4 that engages with the landing side engaging means 11 is formed in a U shape. Guide means for fitting the car-side engaging means 3 in the vertical direction by fitting with the car-side engaging means 3.
[0015]
Reference numeral 5 denotes a double link in which both ends are connected to the case 8 and the car-side engaging means 3 described later by free bearings, and 6 denotes the car-side door 1 suspended from a door rail 7 described later of the case 8. A hanging tool, 7 is a door rail that guides the hanging tool 6 in the horizontal direction when the car-side door 1 is opened and closed, 8 has a door rail 7, a housing installed in the car, and 9 has pulleys on both ends of the endless belt. Wound around the housing 8 and driven by a driving means 10 to be described later to drive the belt 6 to move the suspension 6 left and right, 10 is a driving means for moving the belt of the transmission means 9, 11 is a landing side A landing-side engaging means that is installed on the door 14 and engages with the car-side engaging means 3 when the car-side door 1 and the landing-side door 14 are opened and closed, and 12 is a car sill that indicates the front end of the car on the landing side. Line, 13 is a landing threshold line indicating the tip of the car side of the landing, and 14 is an elevator The installed platform side door at a landing, C1 is a threshold distance between the car threshold line 12 and the landing sill line 13.
[0016]
In addition, the guide means 4 is formed, for example, by bending so that the cross section has a U-shape.
The car-side engaging means 3 fitted in the groove of the guide means 4 is configured to be movable in the vertical direction along the groove while being fitted.
The casing 8 and the car-side engaging means 3 are connected to both ends of the link 5 by a universal bearing. However, the present invention is not limited to the universal bearing, and the link 5 can be freely connected at the connection portion like a universal joint. Any device that can move can be used.
Note that the seat 2 and the guide means 4 may be integrated.
[0017]
Next, the opening / closing operation of the elevator door will be described with reference to FIGS. 1, 2, 3, and 4.
[0018]
(1) During Elevator Travel First, the door state during elevator travel will be described with reference to FIG.
When the elevator travels, the door is closed, that is, the state shown in FIG. 1, the driving means 10 brings the hanging tool 6 to the center, and the car-side door 1 suspended by the hanging tool 6 is completely closed. It is in the state.
[0019]
The car-side engaging means 3 is movable only in the vertical direction along the groove of the guide means 4 and is connected to the housing 8 by a link 5. Therefore, when fully closed, the car-side engaging means 3 is pulled upward along the groove of the guide means 4 by the link 5 and is positioned at the top of the groove of the guide means 4.
[0020]
Next, the state of the car side engaging means 3 will be described with reference to FIGS. 3 and 4A.
First, the longitudinal cross-sectional view in the state at the time of elevator driving | running | working is as showing to Fig.3 (a). As shown in the drawing, the seat 2 has a radial slope that is closest to the car-side door 1 at the upper end and furthest from the car-side door 1 at the lower end. That is, as shown in FIG. 3A, the cross section of the seat 2 has a trapezoidal shape in which the lower base is longer than the upper base.
[0021]
Further, since the guide means 4 is installed along the seat 2, the fact that the car-side engaging means 3 is positioned at the uppermost position of the guide means 4 means that the car-side engaging means 3 is on the car side. It is located at the position closest to the door 1.
[0022]
On the other hand, a cross-sectional view of the elevator traveling state is as shown in FIG. As described above, the car-side engaging means 3 is located at the position closest to the car-side door 1. Therefore, as shown in the drawing, the engaging portion 3a of the car side engaging means 3 and the landing side door 14 are in a state of being separated from each other. In addition, the engaging portion 3a of the car side engaging means 3 and the landing side engaging means 11 are hardly engaged with each other.
[0023]
That is, since the car-side engaging means 3 is positioned closest to the car-side door 1 during elevator travel, the car-side engaging means 3 or the engaging portion 3a and various devices on the landing side are Almost no interference. Therefore, the interval C1 between the landing side threshold line 13 and the car side threshold line can be made smaller than the interval C2 in the conventional example. That is, C1 ≦ C2.
[0024]
(2) When the door is opened First, the door opening operation will be described with reference to FIGS. 1 and 2.
After the elevator has landed on the desired floor, the door will open.
First, from the state during elevator traveling as shown in FIG. 1, that is, the state where the door is completely closed, the belt of the transmission means 9 is driven by the driving means 10 to move the suspension 6 to the left and right. That is, the car-side door 1 suspended from the hanging tool 6 opens along the door rail 7 to the left and right in the same manner as the hanging tool 6.
[0025]
At this time, when the link 5 rotates around the connection point with the housing 8, the car-side engaging means 3 moves downward along the groove of the guide means 4 according to its own weight while being pulled upward by the link 5. To do.
[0026]
Next, the car-side engaging means 3 is positioned at the lowest position of the guide means 4. However, since the car-side door 1 is in the process of being opened, the car-side door 1 is further opened while the two links 5 are in the shape of a dogleg.
[0027]
Next, when the car-side door 1 is completely opened, the driving means 10 is stopped and the door opening operation is finished. Thus, the state in which the door is completely opened is as shown in FIG.
The car side engaging means 3 and the landing side engaging means 11 (not shown) remain engaged.
[0028]
Next, operation | movement of the cage | basket | car side engaging means 3 is demonstrated using FIG.3 and FIG.4.
First, when the elevator has landed on a desired floor, as described above, it is in the state during elevator travel, that is, the door is completely closed. This state is as shown in FIGS. 3 (a) and 4 (a). That is, the car side engaging means 3 is positioned at the uppermost position of the guiding means 4 as shown in FIG. 3A, and the car side engaging means 3 and the landing side engaging means as shown in FIG. 4A. 11 is the farthest, and the two are almost not engaged.
[0029]
Next, as described above, the car side door 1 is opened, and the car side engaging means 3 is moved downward along the guide means 4 from the uppermost position of the guide means 4. At this time, as shown in FIG. 3A, the guide means 4 is provided with an inclined surface that moves downward from the car-side door 1. That is, the downward movement of the car-side engaging means 3 along the guide means 4 is equivalent to the car-side engaging means 3 approaching the landing-side door 14 (not shown) at the same time. This means that the engaging portion between the combining means 3 and the landing side engaging means 11 is increased.
[0030]
Therefore, as shown in FIG. 3A, the car-side engaging means 3 moves below the guide means 4, and the hall is integrated with the car-side door 1 as the car-side door 1 moves in the left-right direction. It moves while engaging with the side engaging means 11 (not shown), that is, the car side door 1 and the landing side door 14 are integrally opened.
[0031]
Next, the car-side engaging means 3 is positioned at the lowest position of the guide means 4. When the car-side door 1 is completely opened, the driving means 10 stops and the door opening operation ends. This state is as shown in FIGS. 3B and 4B.
[0032]
As described above, since the seat 2 has an inclined surface, the car-side engaging means 3 is positioned at the lowest position of the guide means 4 because the car-side engaging means 3 is one from the car-side door 1. It will be located at the farthest position. Therefore, as shown in FIGS. 3B and 4B, the engaging portion 3a of the car-side engaging means 3 and the landing-side engaging means 11 are in a state of being closest to each other. That is, when the door is opened, the car-side engaging means 3 and the landing-side engaging means 11 are more engaged than when the elevator is running, and the car-side door 1 and the landing-side door 14 are integrally opened. It will be.
Note that while the door is open, the car-side engaging means 3 and the landing-side engaging means 11 remain engaged.
[0033]
(3) When the door is closed First, the door opening operation will be described with reference to FIGS. 1 and 2.
When the person gets on and off, the door closes.
First, from the state of FIG. 2 in which the door is completely opened, the driving means 10 operates in the opposite direction to that when the door is opened, causing the belt to rotate in the opposite direction to that when the door is opened, and moving the hanging tool 6 to the center. Let That is, the car-side door 1 suspended from the hanging tool 6 gathers along the door rail 7 in the center like the hanging tool 6, and the door is closed.
[0034]
At this time, the car-side engagement means 3 is pulled upward along the groove of the guide means 4 while the link 5 rotates around the connection point with the housing 8. Further, the car-side engaging means 3 and the landing-side engaging means 11 (not shown) move while being engaged. That is, the car side door 1 and the landing side door 14 are closed together.
[0035]
Next, when the car-side door 1 is completely closed, the driving means 10 stops and the door closing operation ends. This state is as shown in FIG.
At this time, the engagement between the car-side engaging means 3 and the landing-side engaging means 11 is completely disengaged at this stage, that is, the same state as during elevator travel.
[0036]
Next, operation | movement of the cage | basket | car side engaging means 3 is demonstrated using FIG.3 and FIG.4.
The state when the door is fully opened is as shown in FIG. 3 (b) or 4 (b). From this state, as the door closes, the car-side engaging means 3 moves upward along the guide means 4 while being pulled by the link 5 and at the same time moves away from the landing-side engaging means 11.
[0037]
Next, when the door is completely closed, the car-side engaging means 3 is positioned at the uppermost position of the guiding means 4 and at the position farthest from the landing-side engaging means 11. That is, the elevator travels.
Thereafter, the elevator starts moving to the desired floor.
[0038]
As described above, since the above-described configuration is used in the present embodiment, the car-side engaging means 3 is located away from the landing-side door 14 during elevator travel, and the car-side engaging means 3 and the landing are located. The car-side engaging means 3 and the landing-side engaging means 11 are not engaged with the side-engaging means 11 and the car-side engaging means 3 is positioned close to the landing-side door 14 only when the door is opened and closed. Match. Therefore, the interference between the car-side engaging means 3 and the landing-side equipment during elevator traveling is reduced, and the reliability during elevator traveling is further improved.
[0039]
Further, since the car-side engaging means 3 is positioned close to the landing side when the door is opened and closed, the landing-side engaging means 11 does not have to be very close to the car side. 11 and the car-side equipment including the car-side engagement means 3 are reduced, and the reliability during elevator traveling is further improved.
Further, since the car-side engaging means 3 is located away from the landing side during elevator travel, the distance between the landing threshold line 13 and the car threshold line 12 can be further reduced.
[0040]
Moreover, since the space | interval of the landing threshold line 13 and the cage threshold line 12 was made smaller, it becomes easier to get on and off.
[0041]
Embodiment 2. FIG.
In the present embodiment, the portions denoted by the same reference numerals as those in the prior art indicate the same or corresponding portions.
FIG. 5A is a cross-sectional view showing another form of the guiding means 4 in Embodiment 1, and corresponds to the cross-sectional view of FIG. The landing side engaging means 11 and the landing side door 14 are not shown. In the figure, reference numeral 3 denotes a car-side engaging means having a pair of vertically elongated engaging portions 3a and a groove portion 3b to be fitted to a bent portion 4a, which will be described later. It is the guide means which formed the bending part 4a which bend | folded the both ends of the letter-shaped further inside. The guide means 4 is fitted to the car-side engaging means 3 and a groove formed by a U-shape to guide the car-side engaging means 3 in the vertical direction.
[0042]
When the car-side engaging means 3 and the guide means 4 are fitted, the groove 3b of the car-side engaging means 3 and the bent part 4a of the guide means 4 are configured to fit each other.
[0043]
Next, the operation will be described.
The opening and closing of the door is the same as in the embodiment and will not be described.
In addition, when the car side engaging means 3 moves up and down along the guide means 4, it moves in a state where the bent portion 4a and the groove portion 3b are fitted. That is, when the car-side engaging means 3 moves up and down, it does not come off from the guide means 4.
[0044]
FIG. 5B is a cross-sectional view showing another form of the guiding means 4 in Embodiment 1, and corresponds to the cross-sectional view of FIG. The landing side engaging means 11 and the landing side door 14 are not shown. In the figure, reference numeral 3 denotes a cage-side engaging means having a pair of vertically elongated engaging portions 3a, 4 denotes a U-shape, and a bent portion 4a is formed by bending both ends of the U-shape further inward. Is a guiding means. The guide means 4 is fitted to the car-side engaging means 3 and a groove formed by a U-shape to guide the car-side engaging means 3 in the vertical direction.
[0045]
In addition, when the car side engaging means 3 and the guide means 4 are fitted, the bent portion 4a of the guide means 4 is configured to hold the entire side surface of the car side engaging means 3.
[0046]
Next, the operation will be described.
The opening and closing of the door is the same as in the embodiment and will not be described.
When the car-side engaging means 3 moves in the vertical direction along the guide means 4, the bent portion 4 a moves while holding the entire side surface of the car-side engaging means 3. That is, when the car-side engaging means 3 moves up and down, it does not come off from the guide means 4.
[0047]
As described above, in the present embodiment, the above-described configuration is employed. Therefore, the car-side engaging means 3 is disengaged from the guide means 4 when the car-side engaging means 3 moves in the vertical direction accompanying the door opening / closing operation. And reliability is improved.
[0048]
In each embodiment, an elevator having a double door has been described, but a single door may be used.
[0049]
In each embodiment, the engaging portion engaging portion 3a of the car side engaging means 3 is simply extended when engaged with the landing side engaging means 11. However, the engaging part engaging portion 3a of the car side engaging means 3 has a mechanism for holding the landing side engaging means 11, and the car side engaging means 3 approaches the landing side door 14 when the door is opened and closed. The car-side engaging means 3 and the landing-side engaging means 11 are engaged by the engaging part engaging part 3a sandwiching the landing-side engaging means 11 while the car is engaged during elevator travel. The side engaging means 3 may be positioned far from the landing side door 14 and the engaging portion engaging portion 3a may not sandwich the landing side engaging means 11.
[0050]
In each embodiment, as shown in the longitudinal sectional view of FIG. 3A, the seat 2 has a trapezoidal shape in which the cross section is longer at the lower base than at the upper base. I do not care. That is, the shape of the seat 2 is not particularly limited as long as the guide means 4 has the inclination as described above.
[0051]
Further, the seat 2 and the guide means 4 may not be a flat surface having an inclination, but may be a curved surface, that is, a structure in which the guide means 4 is curved in FIG. That is, the shape is not particularly limited as long as the distance from the car-side door 1 to the guide means 4 is farther at the lower end than the upper end and the car-side engaging means 3 can move smoothly on the guide means 4. .
[0052]
In each embodiment, the inclination angle of the guiding means 4 is not limited to a specific value. Changing the inclination is equivalent to changing the distance between the car-side engaging means 3 and the landing-side engaging means 11.
[0053]
Therefore, although the sill interval C2 generally varies depending on the installation conditions of the elevator, the car engaging means 3 and the landing are adjusted by adjusting the inclination angle, that is, by adjusting the distance between the car engaging means 3 and the landing side engaging means 11. The time until the side engagement means 11 is engaged can be adjusted. Therefore, the timing from the landing of the elevator to the opening of the door can be made constant regardless of the installation conditions of the elevator.
[0058]
【The invention's effect】
An elevator door device according to the present invention includes a car-side door that is installed in a car and has car-side engaging means, and a landing-side door that is installed in a landing and has landing-side engaging means. An elevator door device in which a car-side door and a landing-side door are integrally opened and closed, with one end connected to the car and the other end connected to the car. Connected to the car-side engaging means, and has a moving mechanism for moving the car-side engaging means in the vertical direction, and an inclined surface approaching the car-side door from the car-side door to the landing-side door from the top to the car-side door. Guide means for guiding the vertical movement of the car-side engaging means, and when the car-side door is opened, the car-side engaging means is moved downward on the inclined surface by the moving mechanism. When the car door is closed, the car is closed by the moving mechanism. Since the side engaging means moves upward on the inclined surface, since the car side engaging means 3 is located away from the landing side during elevator travel, the distance between the landing sill line 13 and the car sill line 12 Can be made smaller.
[Brief description of the drawings]
FIG. 1 is an overall view of an elevator door device according to the present invention when fully closed;
FIG. 2 is an overall view of the elevator door device when fully opened according to the present invention.
FIG. 3 is a longitudinal sectional view of an elevator door device according to the present invention. (A) when fully open, (b) when fully closed.
FIG. 4 is a cross-sectional view of an elevator door device according to the present invention. (A) when fully open, (b) when fully closed.
FIG. 5 is a cross-sectional view showing guide means and car-side engaging means in another embodiment of the elevator door device according to the present invention.
FIG. 6 is a side view of an elevator door device according to the prior art. (A) when fully open, (b) when fully closed.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car side door, 2 seats, 3 Car side engagement means, 3a Engagement part, 3b Groove part, 4 Guide means, 4a Bending part, 5 Link, 6 Hanging tool, 7 Door rail, 8 Housing, 9 Transmission means, 10 Driving means, 11 landing side engaging means, 12 car threshold line, 13 landing threshold line, 14 landing side door.

Claims

かごに設置され、かご側係合手段を有するかご側扉と、乗場に設置され、乗場側係合手段を有する乗場側扉とを備え、前記かご側係合手段と前記乗場側係合手段とが係合し、かご側扉と乗場側扉とが一体となって開閉するエレベータ用ドア装置であって、一端が前記かごに接続され、他端が前記かご側係合手段に接続され、前記かご側係合手段を上下方向に移動させる移動機構と、上から下へ前記かご側扉から乗場側扉へ近づく傾斜面を有して前記かご側扉に設置され、前記かご側係合手段の上下方向の移動を案内する案内手段とを備え、前記かご側扉が開く際には、前記移動機構により前記かご側係合手段が前記傾斜面上を下方へ移動し、前記かご側扉が閉じる際には、前記移動機構により前記かご側係合手段が前記傾斜面上を上方へ移動することを特徴とするエレベータ用ドア装置。 A car-side door installed in the car and having car-side engaging means; and a landing-side door installed in the landing and having landing-side engaging means, the car-side engaging means and the landing-side engaging means, Is an elevator door device in which the car side door and the landing side door are integrally opened and closed, with one end connected to the car and the other end connected to the car side engaging means, A moving mechanism for moving the car-side engaging means in the vertical direction; and an inclined surface that approaches the car-side door from the car-side door to the landing-side door from top to bottom, and is installed on the car-side engaging means. Guide means for guiding the movement in the vertical direction, and when the car side door is opened, the car side engaging means is moved downward on the inclined surface by the moving mechanism, and the car side door is closed. In this case, the cage engaging means is moved upward on the inclined surface by the moving mechanism. Elevator door apparatus according to claim Rukoto.