JP3951172B2

JP3951172B2 - Door closing mechanism

Info

Publication number: JP3951172B2
Application number: JP2002173686A
Authority: JP
Inventors: 悟原
Original assignee: Howa Machinery Ltd
Current assignee: Howa Machinery Ltd
Priority date: 2002-06-14
Filing date: 2002-06-14
Publication date: 2007-08-01
Anticipated expiration: 2022-06-14
Also published as: JP2004019190A

Description

【０００１】
【発明の属する技術分野】
本発明は、扉枠と、その扉枠に開閉自在に蝶着された扉との間に介在されたラッチ機構を、扉に設けた操作手段を操作することにより解除し、また、その操作手段の操作により前記ラッチ機構を介して扉を扉枠に押付状態とする扉の閉鎖機構に関する。
【０００２】
【従来の技術】
上記した扉の閉鎖機構として、特開２００１−１３２３０４号公報のクレモンロック装置が知られている。そのクレモンロック装置は、扉に設置したラッチボルトと固定枠体（扉枠）に設置した受金とから成るラッチ機構を介して、扉を閉鎖位置に錠止（扉の通常閉鎖）することができる。そして、扉が閉鎖位置に錠止された状態において、扉に設けたハンドル（ドアノブ）を解錠方向に回転すると、扉を開放状態とすることができる。また、扉が閉鎖位置に錠止された状態において、前記ハンドルを施錠方向（解錠方向とは逆方向）に回転すると、扉を固定枠体（扉枠）に押付状態とすることができる。
【０００３】
【発明が解決しようとする課題】
上記のクレモンロック装置では、通常閉鎖の扉を開放する場合や、通常閉鎖の扉を扉枠に押付状態とする場合には、扉に設けたハンドルを握って解錠（施錠）方向に回転しなければならない。そのために、ハンドルを回転させることが困難な者（例えば手の不自由な者や握力が低下した老人等）においては、通常閉鎖の扉を開放したり、通常閉鎖の扉を扉枠に押付状態とすることが容易ではない。また、健常者であっても、両手が使えない場合には、ハンドルを握って回転させることが出来ない。そこで、本発明の課題は、ハンドルを回転させることなく、通常閉鎖の扉を開放状態とし、また、通常閉鎖の扉を扉枠に押付状態とすることができる扉の閉鎖機構を提供することにある。
【０００４】
【課題を解決するための手段】
本願発明は、上記課題解決のために、扉枠と、その扉枠に開閉自在に蝶着された扉との間に介在されたラッチ機構を、扉に設けた操作手段を操作することにより解除し、その操作手段の操作により前記ラッチ機構を介して扉を扉枠に押付状態とする扉の閉鎖機構において、扉枠にフック部材を回動自在に支持し、そのフック部材を先端が扉側に突出するように付勢し、扉にフック部材と係脱する係合部材をフック部材の回動軸線と平行な回動軸線回りに通常の係止位置とフック部材を介して扉を扉枠に押付ける押付位置とに押し引き方向へ回動可能に設け、その係合部材を係止位置と押付位置に夫々保持可能に設けてラッチ機構を構成し、扉に押し引きハンドルを中立位置から扉閉鎖側の扉押付位置と扉開放側の解錠位置に揺動するように押し引き方向へ所定角度揺動可能に設け、押し引きハンドルを中立位置から扉押付位置へ揺動操作することで係合部材を係止位置から押付位置に回動させて扉を扉枠に押し付け、押し引きハンドルを中立位置から解錠位置へ揺動操作することで係合部材を押付位置から係止位置に回動させるように押し引きハンドルと係合部材を連繋させて操作手段を構成し、押し引きハンドルを押し引き方向へ揺動させることで閉鎖状態の扉をラッチ機構を介して扉枠に押付状態にしたり押付状態を解除したりできるようにしたことを特徴とする（請求項１）。
【０００５】
また本願発明は、扉に設けた支持軸に係合部材とカム体を夫々揺動自在に設け、そのカム体に扉の両側に張出す押し引きハンドルを一体に設けてあること（請求項２）、扉にフック部材を押し出す押し出し部材を扉の戸先方向へ移動可能に備え、押し引きハンドルを中立位置から扉開放側の解錠位置へ揺動操作することで押し出し部材がフック部材を扉枠側へ回動させて係合部材との係合を解除し、押し引きハンドルを解錠位置から中立位置へ揺動操作することで押し出し部材が扉の吊元方向へ移動してフック部材の扉枠側への回動を解除するように押し引きハンドルと押し出し部材を連繋させて成ること（請求項３）、係合部材の後面に溝を設け、係合部材が係止位置に回動されたとき係合部材の溝に係合して係合部材を係止位置に保持可能なプランジャと、係合部材が押付位置に回動されたとき係合部材の溝に係合して係合部材を押付位置に保持可能なプランジャとを備えて成ること（請求項４）、押し引きハンドルに一対の動作カムを設け、その一対の動作カムの間に係合部材の後部を所定の隙間をもって位置させ、扉の閉鎖で係止部材とフック部材とが係合している状態において、押し引きハンドルを中立位置から扉押付位置へ揺動操作するとき、一方の動作カムが係合部材に係合して係合部材をフック部材に対して係止位置から押付位置に回転移動させ、押し引きハンドルを中立位置から解錠位置へ揺動操作するとき、他方の動作カムが係合部材に係合して係合部材を押付位置から係止位置に回動させるように構成して成ること（請求項５）を特徴とする。
【０００６】
また、本願発明は、扉枠と、その扉枠に開閉自在に蝶着された扉との間に介在されたラッチ機構を、扉に設けた操作手段を操作することにより解除し、その操作手段の操作により前記ラッチ機構を介して扉を扉枠に押付状態とする扉の閉鎖機構において、扉枠にフック部材を回動自在に支持し、そのフック部材を先端が扉側に突出するように付勢し、扉にはフック部材と係脱する係合部材をフック部材の回動軸線と直角な回動軸線回りに回動可能に設け、その係合部材のフック側面に、係合部材の中立位置で扉の通常閉鎖によりフック部材と係脱する係合部と、係合部材が一方側の押し出し角度位置に回動したときにフック部材を押し出してフック部材と係合部材との係合を解除する解除部分と、フック部材と係合部との係合状態において係合部材が前記と逆の他方側の押し付け角度位置に回動したときにフック部材を介して扉を扉枠に押し付ける押し付け面とを備えてラッチ機構を構成し、扉に押し引きハンドルを中立位置から一方の揺動端位置と他方の揺動端位置とに押し引き方向へ所定角度揺動可能に設け、押し引きハンドルを中立位置から一方の揺動端位置に揺動操作することで係合部材を押し付け角度位置に回動させ、押し引きハンドルを中立位置から他方の揺動端位置に揺動操作することで係合部材を押し出し角度位置に回動させるように押し引きハンドルと係合部材を連繋させて操作手段を構成し、押し引きハンドルを押し引き方向へ揺動させることで閉鎖状態の扉をラッチ機構を介して扉枠に押付状態にしたり押付状態を解除したりできるようにしたことを特徴とする（請求項６）。
【０００７】
また、本願発明は、フック部材を扉枠の上枠に設け、扉の戸先部分に上下方向の軸部材を回動自在に設け、軸部材の上端部に係合部材を設け、軸部材の下端部に溝を形成し、扉の戸先部分に設けた上下方向の支持軸に押し引きハンドルを揺動可能に支持させ、押し引きハンドルに軸部材の溝に係合する動作カムを設けて成ることを特徴（請求項７）。
【０００８】
【発明の実施の形態】
実施の形態について図面を参照して説明する。図１〜５に示す扉の閉鎖装置１は、扉枠２と、その扉枠２に開閉自在に蝶着された扉３との間に介在されたラッチ機構４を、扉３に設けた押し引きハンドル５を操作することにより解除し、また、その押し引きハンドル５の操作により前記ラッチ機構４を介して扉３を扉枠２に押付状態とするものである。前記ラッチ機構４は、扉３の戸先部分の上下方向中間に設けてあり、扉枠２（竪枠２ａ）に回動自在に支持されたフック部材６と、扉３に回動可能に設けられた係合部材７とから成り、扉３の通常閉鎖（図１の状態）により係合部材７に備えた係合部７ａがフック部材６と係合するようになっている。
【０００９】
竪枠２ａに回動自在に支持されたフック部材６の先端６ａが扉３側に突出し、かつ、扉３の開扉方向にフック部材６はバネ部材８によって付勢されている。扉３に取り付けられたケース下板９ａには、前記フック部材６の回動軸線と平行に支持軸１０が設けられている。その支持軸１０には、フック部材６と係脱する係合部７ａを備えた係合部材７とカム体１１が夫々別々に揺動自在に支持されている。カム体１１に押し引きハンドル５を一体に取り付けたことから、押し引きハンドル５は、支持軸１０を揺動中心として中立位置Ａとその両側で所定角度揺動した２つの揺動端位置Ｂ，Ｃとに揺動する。
【００１０】
前記カム体１１の下部には、２つの突起部１２ａ，１２ｂから成る動作カム１２が設けられている。突起部１２ａ，１２ｂ間に、係合部材７の後部が所定の隙間を持って配置されている。第１突起部１２ａは、押し引きハンドル５が中立位置Ａにある状態（図６）において、通常の係止位置Ｐ１にある係合部材側面７ｂに当接するように形成されている。第２突起部１２ｂは、押し引きハンドル５が一方の揺動端位置（解錠位置）Ｂにある状態（図７）において、通常の係止位置Ｐ１にある係合部材側面７ｃに当接するように形成されている。
【００１１】
押し引きハンドル５を中立位置Ａから一方の揺動端位置Ｂに揺動させた場合では、第１、第２突起部１２ａ，１２ｂにより、通常の係止位置Ｐ１にある係合部材７は回動しない。そして、一方の揺動端位置Ｂから中立位置Ａに揺動させた場合でも、第１、第２突起部１２ａ，１２ｂにより、通常の係止位置Ｐ１にある係合部材７は回動しない。次に、押し引きハンドル５を中立位置Ａから他方の揺動端位置（扉押付位置）Ｃに揺動させた場合では、第１突起部１２ａにより、通常の係止位置Ｐ１にある係合部材側面７ｂが押されて、係合部材７は押付位置Ｐ２へと回動する（図８）。また、押付位置Ｐ２にある係合部材７に対して押し引きハンドル５を他方の揺動端位置Ｃから中立位置Ａに揺動させた場合では、第１、第２突起部１２ａ，１２ｂにより、押付位置Ｐ２にある係合部材７は回動しないが、一方の揺動端位置Ｂまで揺動させた場合では、第２突起部１２ｂにより、係合部材７は回動して通常の係止位置Ｐ１に戻る（図７）。
【００１２】
ケース後板９ｂには、複数のプランジャ１３ａ，１３ｂが取り付けてある。そして、支持軸１０に支持された係合部材７の後面とカム体１１の後面に、前記プランジャ１３ａ，１３ｂが嵌まり込む溝７ｄ，１１ａが形成されている。一方のプランジャ１３ａは、押し引きハンドル５が他方の揺動端位置Ｃに揺動されて、押付位置Ｐ２に回動した係合部材７の溝７ｄに嵌まり込むように配置されている（図８）。もう一方１３ｂは、押し引きハンドル５が中立位置Ａにある状態のカム体１１の溝１１ａに嵌まり込むように配置されている（図３）。また、一方のプランジャ１３ａの押付力は、押付位置Ｐ２に回動した係合部材７をその位置に弾性的に保持するように設定されている。もう一方のプランジャ１３ｂの押付力は、押し引きハンドル５を用いて扉３の開閉を行う時に、中立位置Ａにある押し引きハンドル５が揺動しないように弾性的に保持するように設定されている。
【００１３】
前記ケース上板９ｃには、支持軸１０と平行に第１軸部材１４が設けられている。その第１軸部材１４には、三角形状の作動カム１５が揺動自在に支持されている。作動カム１５には第１長孔１５ａと支持孔１５ｂが形成されており、第１長孔１５ａには、カム体１１の上部に設けた突起部１１ｂが係合している。ケース上板９ｃとケース中間板９ｄとの間には、先端にローラ部材１６ａを備えた押し出し部材１６が配置されており、その押し出し部材１６の後端部には第２軸部材１７が嵌め込まれている。第２軸部材１７の一方の端部は、ケース上板９ｃに設けた第１長孔１８に係合し、もう一方の端部は、作動カム１５の支持孔１５ｂを貫通してケース中間板９ｄに設けた第２長孔１９に係合している。また、前記ローラ部材１６ａを保持している第３軸部材２０の一方の端部は、ケース上板９ｃに設けた第３長孔２１に係合し、もう一方の端部は、ケース中間板９ｄに設けた第４長孔２２に係合している。
【００１４】
このことから、図７に示すように、押し引きハンドル５を中立位置Ａから一方の揺動端位置Ｂに揺動すると、カム体１１の突起部１１ｂを介して作動カム１５が揺動し、作動カム１５の揺動により第２軸部材１７が第１，２長孔１８，１９に沿って扉３の戸先方向に向けて移動する。これにより、押し出し部材１６は第３，４長孔２１，２２に沿って扉３の戸先方向に移動する。次に、図８に示すように、押し引きハンドル５を中立位置Ａから他方の揺動端位置Ｃに揺動すると、カム体１１の突起部１１ｂを介して作動カム１５が揺動し、作動カム１５の揺動により第２軸部材１７が第１，２長孔１８，１９に沿って扉３の吊元方向に向けて移動する。そして、押し出し部材１６は第３，４長孔２１，２２に沿って扉３の吊元方向に移動する。尚、本実施形態では、押し出し部材１６の扉３の戸先方向への移動量を、ローラ部材１６ａ側面が扉３の端面３ａと略同一位置となるように設定してある。
【００１５】
上記のように構成されたラッチ機構４を備えた扉３の閉鎖装置１の動作について説明する。扉３が扉枠２から開放されている時には、竪枠２ａのフック部材６はバネ部材８によって先端６ａが扉３側に突出している。扉３に設けた押し引きハンドル５は、プランジャ１３ｂによって中立位置Ａに保持されている。また、係合部材７は、通常の係止位置Ｐ１にある。この状態において、扉３を閉鎖回転させる。図９に示すように、扉３が閉鎖位置に近づくと、扉３の端面３ａ及び押し出し部材１６のローラ部材１６ａによって、フック部材６が竪枠２ａ内側に押し付けられる。その後、図３に示すように、扉３が閉鎖位置に移動すると、押し付けられていたフック部材６がバネ部材８によって扉３側に突出し、フック部材６の先端６ａが係合部材７の係合部７ａに係合することで、扉３の通常閉鎖が行われる。また、従来のラッチボルトが受金に摺動しながら係合する時に発生する音に比べて、係合部材７がフック部材６を押し付けながら係合する時に発生する音が小さいものとなる。
【００１６】
先ず、扉３の通常閉鎖状態から扉３を開放させる場合について説明する。図１０に示すように、中立位置Ａにある押し引きハンドル５を一方の揺動端位置Ｂに揺動することで、カム体１１を回動させる。カム体１１の回動により、作動カム１５を介して押し出し部材１６が扉３の戸先方向に移動する。すると、押し出し部材１６に備えたローラ部材１６ａによって、フック部材６が竪枠２ａ内側に押し付けられ、フック部材６と係合部材７との係合が解除される。また、カム体１１が回動しても動作カム１２と係合部材７とが係合せず、通常の係止位置Ｐ１にある係合部材７は回動しない。その後、一方の揺動端位置Ｂにある押し引きハンドル５を、扉３の開扉方向に引く（押す）ことで、扉３を開放させることができる。尚、フック部材６と係合部材７との係合を解除した後、押し引きハンドル５を中立位置Ａに戻し、その状態で扉３を引く（押す）ことを行ってもよい。
【００１７】
次に、扉３の通常閉鎖状態から扉３を扉枠２に押し付ける場合について説明する。図１１に示すように、中立位置Ａにある押し引きハンドル５を他方の揺動端位置Ｃに揺動することで、カム体１１を回動させる。カム体１１の回動により、作動カム１５を介して押し出し部材１６が扉３の吊元方向に移動する。そして、カム体１１の回動により、動作カム１２と係合部材７とが係合して、扉３を扉枠２に設けたパッキン部材２３に押し付けるように、係合部材７をフック部材６に対して回転移動させる。係合部材７はプランジャ１３ａによってその位置Ｐ２に保持されるので、扉３を扉枠２に押付状態とすることができる。従って、ハンドルを回転させることが困難な者であっても、押し引きハンドル５を揺動（押し引き）することで、通常閉鎖の扉３を開放させることや、通常閉鎖の扉３を扉枠２に押付状態とすることが可能となる。
【００１８】
次に、別の実施形態について説明する。図１２に示す扉３の閉鎖装置１は、上記と同様に、ラッチ機構３０を、扉３に設けた押し引きハンドル５を操作することにより解除し、また、その押し引きハンドル５の操作により前記ラッチ機構３０を介して扉３を扉枠２に押付状態とするものである。ラッチ機構３０は、扉３の戸先部分の上部に設けてあり、扉枠２（上枠２ｂ）に回動自在に支持されたフック部材３１と、扉３の戸先上部に回動可能に設けられた係合部材３２とから成り、扉３の通常閉鎖により係合部材３２がフック部材３１と係合するようになっている。
【００１９】
上枠２ｂに回動自在に支持されたフック部材３１の先端３１ａが扉３側（下側）に突出し、かつ、扉３の開扉方向にバネ部材３３によって付勢されている。扉３の戸先部分の上下方向中間に取り付けられたケース３４の下板３４ａには、前記フック部材３１の回動軸線と直角に支持軸３５が設けられている。その支持軸３５に押し引きハンドル５を取り付けるカム体３６が揺動自在に支持されている。その揺動自在のカム体３６を介して押し引きハンドル５は、支持軸３５を揺動中心として中立位置Ａとその両側で所定角度揺動した２つの揺動端位置Ｂ，Ｃとに揺動する。カム体３６の上面には位置決め部材３７が設置してある。その位置決め部材３７には複数の切欠溝３７ａ，３７ｂが形成してある。そして、ケース３４にはプランジャ３８が取り付けてあり、前記一方の溝３７ａに嵌まり込むと、カム体３６を介して押し引きハンドル５が中立位置Ａに弾性的に保持される｛図１５（ａ）｝。もう一方の溝３７ｂに嵌まり込むと、カム体３６を介して押し引きハンドル５が他方の揺動端位置Ｃに弾性的に保持される｛図１５（ｃ）｝。
【００２０】
ケース３４には軸部材３９が回動自在に配置されており、軸部材３９の下端部には溝３９ａが形成されている。その溝３９ａに係合する動作カム４０がカム体３６の上部に設けられている。押し引きハンドル５を中立位置Ａから一方の揺動端位置Ｂに揺動させた場合では、動作カム４０によって軸部材２８は回転する｛図１５（ｂ）｝。次に、押し引きハンドル５を中立位置Ａから他方の揺動端位置Ｃに揺動させた場合では、動作カム４０によって軸部材３９は前記と逆方向に回転する｛図１５（ｃ）｝。この軸部材３９の先端には係合部材３２が取り付けてある。このことにより、押し引きハンドル５の操作により、係合部材３２をフック部材３１の回動軸線と直交する軸線回りに回動させることができる。
【００２１】
図１７に示すように、係合部材３２のフック側面には、フック部材３１と係脱する係合部３２ａと、押し引きハンドル５の操作で係合部材３２が回転した時にフック部材３１を押し出してフック部材３１と係合部材３２との係合を解除する解除部分３２ｂと、フック部材３１と係合部３２ａとの係合状態において押し引きハンドル５の操作で係合部材３２が前記と逆に回転した時に、フック部材３１を介して扉３を上枠２ｂに押し付ける押し付け面３２ｃとを備えている。前記係合部材３２と軸部材３９との取り付け位置関係は、押し引きハンドル５が一方の揺動端位置Ｂに揺動する場合には、係合部材３２が回転して解除部分３２ｂがフック部材３１を押し出す押し出し角度位置Ｄに揺動するようにしてあり、押し引きハンドル５が他方の揺動端位置Ｃに揺動する場合には、係合部材３２が回転して押し付け面３２ｃがフック部材３１を介して扉３を上枠２ｂに押し付ける押し付け角度位置Ｅに揺動するようにしてある。
【００２２】
前記ラッチ機構３０を備えた扉３の閉鎖装置１の動作について説明する。扉３が扉枠２から開放されている時には、上枠２ｂのフック部材３１はバネ部材３３によって先端３１ａが扉３側に突出している。扉３に設けた押し引きハンドル５は、プランジャ３８によって中立位置Ａに保持されている。この状態において、扉３を閉鎖回転させる。図１８に示すように、扉３が閉鎖位置に近づくと、扉３の端面３ｂ及び係合部材３２によって、フック部材３１が上枠２ｂ内側に押し上げられる。その後、図１６に示すように、扉３が閉鎖位置に移動すると、押し上げられていたフック部材３１がバネ部材３３によって扉３側（下側）に突出し、フック部材３１の先端３１ａが係合部材３２の係合部３２ａに係合することで、扉３の通常閉鎖が行われる。
【００２３】
先ず、扉３の通常閉鎖状態から扉３を開放させる場合について説明する。図１９に示すように、中立位置Ａにある押し引きハンドル５を一方の揺動端位置Ｂに揺動することで、カム体３６を回動させる。カム体３６の回動により、軸部材３９を介して係合部材３２を押し出し角度位置Ｄに回転させる。すると、係合部材３２の解除部分３２ｂによってフック部材３１が上枠２ｂに向けて押し上げられ、フック部材３１と係合部材３２との係合が解除される。その後、一方の揺動端位置Ｂにある押し引きハンドル５を、扉３の開扉方向に引く（押す）ことで、扉３を開放させることができる。
【００２４】
次に、扉３の通常閉鎖状態から扉３を扉枠２に押し付ける場合について説明する。図２１に示すように、中立位置Ａにある押し引きハンドル５を他方の揺動端位置Ｃに揺動することで、カム体３６を回動させる。カム体３６の回動により、軸部材３９を介して係合部材３２を押し付け角度位置Ｅに回転させる。すると、係合部材３２が、扉３を扉枠２に設けたパッキン部材２３を押し付けるようにフック部材３１に対して移動する。係合部材３２はプランジャ３８によってその位置Ｅに保持されるので、扉３を扉枠２に押付状態とすることができる。従って、ハンドルを回転させることが困難な者であっても、押し引きハンドル５を揺動（押し引き）することで、通常閉鎖の扉３を開放させることや、通常閉鎖の扉３を扉枠２に押付状態とすることが可能となる。尚、ラッチ機構３０を扉３の戸先部分の上部に設けた扉３の閉鎖装置１について説明したが、ラッチ機構３０を扉３の戸先部分の下部に設けてもよい。また、ラッチ機構３０を扉３の戸先部分の上下部に夫々設けることで、１個所で扉３を扉枠２に押し付けることより押付力が増すことになる。更に、上述した実施形態のラッチ機構４を組み込むことで、扉３を扉枠２に押し付ける押付力がより増すことになる。
【００２５】
【発明の効果】
以上のように本願発明では、扉に設けた押し引きハンドルの押し引き操作により扉のラッチの開放を行うことができる上に、押し引きハンドルの押し引き操作によりラッチを介して扉を扉枠に押し付ける動作を行うことができ、従来のようにドアノブを握ってこれらの動作を行うものと比較して、握力の劣る老人等であっても、ラッチの開放や扉の押し付けを非常に操作しやすいという利点がある。
【図面の簡単な説明】
【図１】本発明の閉鎖装置を備えた扉枠に開閉自在に蝶着された扉である。
【図２】図１のＰ部の詳細図である。
【図３】図２のＩＩＩ−ＩＩＩ線断面図である。
【図４】図２のＩＶ−ＩＶ線断面図である。
【図５】図２のＶ−Ｖ線断面図である。
【図６】押し引きハンドル（カム体）と係合部材及び押し出し部材との関係を示す図である。
【図７】押し引きハンドル（カム体）と係合部材及び押し出し部材との関係を示す図である。
【図８】押し引きハンドル（カム体）と係合部材及び押し出し部材との関係を示す図である。
【図９】扉を閉鎖回転させた状態を示す図である。
【図１０】通常閉鎖状態から扉を開放させる状態を示す図である。
【図１１】通常閉鎖状態から扉を扉枠に押し付ける状態を示す図である。
【図１２】別の実施形態を示す図である。
【図１３】図１２のＱ部の詳細図である。
【図１４】図１３のＸＩＶ―ＸＩＶ線断面図である。
【図１５】押し引きハンドル（カム体）と軸部材との関係を示す図である。
【図１６】図１２のＸＶＩ−ＸＶＩ線断面図である。
【図１７】図１６のＸＶＩＩ−ＸＶＩＩ線断面図である。
【図１８】扉を閉鎖回転させた状態を示す図である。
【図１９】通常閉鎖状態から扉を開放させる状態を示す図である。
【図２０】図１９のＸＸ−ＸＸ線断面図である。
【図２１】通常閉鎖状態から扉を扉枠に押し付ける状態を示す図である。
【図２２】図２１のＸＸＩＩ−ＸＸＩＩ線断面図である。
【符号の説明】
１閉鎖装置
２扉枠
３扉
４，３０ラッチ機構
５押し引きハンドル
６，３１フック部材
６ａ，３１ａ先端
７，３２係合部材
７ａ，３２ａ係合部
１０支持軸
１１カム体
１２動作カム
１６押し出し部材
３２ｂ解除部分
３２ｃ押し付け面
Ａ中立位置
Ｂ一方の揺動端位置
Ｃ他方の揺動端位置
Ｄ押し出し角度位置
Ｅ押し付け角度位置[0001]
BACKGROUND OF THE INVENTION
The present invention releases a latch mechanism interposed between a door frame and a door hinged to the door frame so as to be openable and closable by operating an operating means provided on the door, and the operating means. It is related with the closing mechanism of the door which makes a door press on a door frame via the said latch mechanism by operation of.
[0002]
[Prior art]
As a door closing mechanism described above, a cremon lock device disclosed in Japanese Patent Laid-Open No. 2001-132304 is known. The clemon lock device can lock the door in the closed position (normally closing the door) via a latch mechanism consisting of a latch bolt installed on the door and a receiver installed on the fixed frame (door frame). it can. Then, in a state where the door is locked at the closed position, when the handle (door knob) provided on the door is rotated in the unlocking direction, the door can be opened. Further, when the door is locked in the closed position, when the handle is rotated in the locking direction (the direction opposite to the unlocking direction), the door can be pressed against the fixed frame (door frame).
[0003]
[Problems to be solved by the invention]
When the normally closed door is opened or when the normally closed door is pressed against the door frame, the above-mentioned cremon lock device rotates in the unlocking (locking) direction by grasping the handle provided on the door. There must be. Therefore, for those who have difficulty rotating the handle (for example, the handicapped or the elderly with reduced grip strength), the normally closed door is opened or the normally closed door is pressed against the door frame. It is not easy to do. Moreover, even if it is a healthy person, when both hands cannot be used, a handle cannot be grasped and rotated. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a door closing mechanism that allows a normally closed door to be in an open state without rotating a handle, and allows the normally closed door to be pressed against a door frame. is there.
[0004]
[Means for Solving the Problems]
Present invention, the release for the problem solution, and the door frame, the interposed latch mechanism between the openably hinged door to the door frame, by operating the operating means provided on the door In the door closing mechanism in which the door is pressed against the door frame via the latch mechanism by the operation of the operating means , the hook member is rotatably supported by the door frame, and the hook member has a tip on the door side. The engaging member that engages and disengages from the hook member to the door is urged so as to protrude to the door, and the door is framed through the normal locking position and the hook member around the rotation axis parallel to the rotation axis of the hook member. The latching mechanism is configured by providing the latching mechanism so as to be able to rotate in the push-pull direction at the pressing position that is pressed against the door, and holding the engaging member at the locking position and the pressing position, respectively. Push to swing between the door pressing position on the door closing side and the unlocking position on the door opening side. Provided with a predetermined angle swing in the pulling direction, and swinging the push-pull handle from the neutral position to the door pressing position, the engaging member is rotated from the locking position to the pressing position, and the door is pressed against the door frame. The push-pull handle and the engagement member are linked to form the operation means so that the engagement member is rotated from the pressing position to the locking position by swinging the push-pull handle from the neutral position to the unlocking position. By swinging the push / pull handle in the push / pull direction, the door in the closed state can be pressed against the door frame via the latch mechanism, or the pressed state can be released (Claim 1). .
[0005]
Further, according to the present invention, an engaging member and a cam body are swingably provided on a support shaft provided on the door, and a push-pull handle that extends to both sides of the door is integrally provided on the cam body. ), A push-out member that pushes the hook member into the door is movable in the direction of the door end of the door, and the push-pull handle swings from the neutral position to the unlocked position on the door opening side, so that the push-out member pulls the hook member By rotating the frame toward the frame to release the engagement with the engagement member, the push-pull handle is swung from the unlocked position to the neutral position, so that the push-out member moves in the direction of the door suspension and the hook member The push-pull handle and the push-out member are linked so as to release the rotation to the door frame side (Claim 3), a groove is provided on the rear surface of the engagement member, and the engagement member rotates to the locking position. When engaged, it can be engaged with the groove of the engaging member to hold the engaging member in the locked position. And a plunger capable of engaging the groove of the engaging member when the engaging member is rotated to the pressing position and holding the engaging member in the pressing position (Claim 4). In a state in which the pulling handle is provided with a pair of operating cams, the rear portion of the engaging member is positioned between the pair of operating cams with a predetermined gap, and the locking member and the hook member are engaged by closing the door. When the push / pull handle is swung from the neutral position to the door pressing position, one of the operation cams engages with the engaging member, and the engaging member rotates relative to the hook member from the locking position to the pressing position. When the push / pull handle is swung from the neutral position to the unlocked position, the other operation cam is engaged with the engaging member, and the engaging member is rotated from the pressing position to the locking position. (Claim 5).
[0006]
Further, the invention of the present application releases the latch mechanism interposed between the door frame and the door hinged to the door frame so as to be opened and closed by operating the operating means provided on the door, and the operating means. In the door closing mechanism in which the door is pressed against the door frame via the latch mechanism by the operation, the hook member is rotatably supported on the door frame so that the tip of the hook member protrudes to the door side. The door is provided with an engaging member that urges and disengages from the hook member so as to be rotatable about a rotation axis perpendicular to the rotation axis of the hook member. An engaging portion that engages with and disengages from the hook member when the door is normally closed in the neutral position, and the hook member is pushed out when the engaging member is rotated to the pushing angle position on one side to engage the hook member with the engaging member. In the engaged state of the release portion for releasing the hook member and the engaging portion. The latch mechanism is configured with a pressing surface that presses the door against the door frame via the hook member when the member rotates to the pressing angle position on the other side opposite to the above, and pushes and pulls the handle from the neutral position. An engagement member is provided by swinging a predetermined angle in the push-pull direction between one swing end position and the other swing end position and swinging the push-pull handle from the neutral position to one swing end position. The push-pull handle and the engagement member are rotated so as to turn the engagement member to the push-out angular position by swinging the push-pull handle from the neutral position to the other swing end position. The operating means are connected to each other, and the push / pull handle is swung in the push / pull direction so that the door in the closed state can be pressed against the door frame via the latch mechanism and the push state can be released. With features That (claim 6).
[0007]
In the present invention, the hook member is provided on the upper frame of the door frame, the vertical shaft member is rotatably provided at the door end portion of the door, the engaging member is provided on the upper end portion of the shaft member, A groove is formed at the lower end, and the push-pull handle is swingably supported by a vertical support shaft provided at the door tip of the door, and an operation cam is provided on the push-pull handle to engage with the groove of the shaft member. (Claim 7).
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments will be described with reference to the drawings. The door closing device 1 shown in FIGS. 1 to 5 has a push mechanism in which a latch mechanism 4 interposed between a door frame 2 and a door 3 hinged to the door frame 2 so as to be opened and closed is provided on the door 3. The operation is performed by operating the pull handle 5, and the door 3 is pressed against the door frame 2 via the latch mechanism 4 by operating the push / pull handle 5. The latch mechanism 4 is provided in the middle of the door tip portion of the door 3 in the vertical direction. The latch mechanism 4 is rotatably provided on the door 3 and a hook member 6 rotatably supported on the door frame 2 (the frame 2a). The engaging portion 7a provided on the engaging member 7 is engaged with the hook member 6 by the normal closing of the door 3 (the state shown in FIG. 1).
[0009]
A tip 6a of a hook member 6 rotatably supported by the collar frame 2a protrudes toward the door 3, and the hook member 6 is biased by a spring member 8 in the door opening direction. A support shaft 10 is provided on the case lower plate 9 a attached to the door 3 in parallel with the rotation axis of the hook member 6. On the support shaft 10, an engaging member 7 having an engaging portion 7 a that engages and disengages with the hook member 6 and a cam body 11 are separately supported so as to be swingable. Since the push / pull handle 5 is integrally attached to the cam body 11, the push / pull handle 5 has a neutral position A with the support shaft 10 as a swing center, and two swing end positions B swung at a predetermined angle on both sides thereof. Swing to C.
[0010]
At the lower part of the cam body 11, there is provided an operation cam 12 composed of two protrusions 12a and 12b. The rear portion of the engaging member 7 is disposed between the protrusions 12a and 12b with a predetermined gap. The first protrusion 12a is formed so as to contact the engaging member side surface 7b at the normal locking position P1 in a state where the push-pull handle 5 is at the neutral position A (FIG. 6). The second protrusion 12b comes into contact with the engaging member side surface 7c at the normal locking position P1 in a state where the push / pull handle 5 is at one swing end position (unlocked position) B (FIG. 7). Is formed.
[0011]
When the push / pull handle 5 is swung from the neutral position A to one swing end position B, the engagement member 7 at the normal locking position P1 is rotated by the first and second protrusions 12a and 12b. Does not move. And even when it makes it rock | fluctuate from the one rocking | fluctuation end position B to the neutral position A, the engagement member 7 in the normal latching position P1 does not rotate by the 1st, 2nd protrusion parts 12a and 12b. Next, when the push / pull handle 5 is swung from the neutral position A to the other swing end position (door pressing position) C, the engagement member at the normal locking position P1 is caused by the first protrusion 12a. The side surface 7b is pressed, and the engaging member 7 rotates to the pressing position P2 (FIG. 8). Further, when the push / pull handle 5 is swung from the other swing end position C to the neutral position A with respect to the engaging member 7 at the pressing position P2, the first and second protrusions 12a and 12b The engaging member 7 at the pressing position P2 does not rotate, but when it is swung up to one swinging end position B, the engaging member 7 is rotated by the second protrusion 12b and is normally locked. Return to position P1 (FIG. 7).
[0012]
Plural plungers 13a and 13b are attached to the case rear plate 9b. Grooves 7d and 11a into which the plungers 13a and 13b are fitted are formed in the rear surface of the engaging member 7 supported by the support shaft 10 and the rear surface of the cam body 11. One plunger 13a is arranged so that the push-pull handle 5 is swung to the other swing end position C and fitted into the groove 7d of the engaging member 7 rotated to the pressing position P2 (FIG. 8). The other 13b is arranged so as to fit into the groove 11a of the cam body 11 in a state where the push / pull handle 5 is in the neutral position A (FIG. 3). Further, the pressing force of one plunger 13a is set so as to elastically hold the engaging member 7 rotated to the pressing position P2 at that position. The pressing force of the other plunger 13b is set so as to elastically hold the push-pull handle 5 in the neutral position A so as not to swing when the door 3 is opened and closed using the push-pull handle 5. Yes.
[0013]
A first shaft member 14 is provided on the case upper plate 9 c in parallel with the support shaft 10. A triangular operating cam 15 is swingably supported on the first shaft member 14. A first long hole 15 a and a support hole 15 b are formed in the operating cam 15, and a protrusion 11 b provided on the upper portion of the cam body 11 is engaged with the first long hole 15 a. Between the case upper plate 9c and the case intermediate plate 9d, an extrusion member 16 having a roller member 16a at the tip is disposed, and a second shaft member 17 is fitted into the rear end portion of the extrusion member 16. ing. One end portion of the second shaft member 17 engages with a first long hole 18 provided in the case upper plate 9c, and the other end portion passes through the support hole 15b of the operating cam 15 and passes through the case intermediate plate. The second long hole 19 provided in 9d is engaged. One end portion of the third shaft member 20 holding the roller member 16a is engaged with a third long hole 21 provided in the case upper plate 9c, and the other end portion is a case intermediate plate. It engages with the fourth long hole 22 provided in 9d.
[0014]
Therefore, as shown in FIG. 7, when the push / pull handle 5 is swung from the neutral position A to the one swinging end position B, the operating cam 15 is swung through the protrusion 11b of the cam body 11, As the operating cam 15 swings, the second shaft member 17 moves along the first and second long holes 18 and 19 toward the door end of the door 3. As a result, the pushing member 16 moves along the third and fourth elongated holes 21 and 22 in the direction toward the door. Next, as shown in FIG. 8, when the push / pull handle 5 is swung from the neutral position A to the other rocking end position C, the operating cam 15 is swung via the protrusion 11b of the cam body 11 to operate. As the cam 15 swings, the second shaft member 17 moves along the first and second elongated holes 18 and 19 in the direction in which the door 3 is suspended. Then, the pushing member 16 moves in the direction in which the door 3 is suspended along the third and fourth elongated holes 21 and 22. In the present embodiment, the amount of movement of the pushing member 16 in the direction of the door tip of the door 3 is set so that the side surface of the roller member 16 a is substantially at the same position as the end surface 3 a of the door 3.
[0015]
Operation | movement of the closing device 1 of the door 3 provided with the latch mechanism 4 comprised as mentioned above is demonstrated. When the door 3 is opened from the door frame 2, the hook member 6 of the collar frame 2 a is protruded toward the door 3 by the spring member 8. The push / pull handle 5 provided on the door 3 is held at the neutral position A by the plunger 13b. Further, the engaging member 7 is in the normal locking position P1. In this state, the door 3 is closed and rotated. As shown in FIG. 9, when the door 3 approaches the closed position, the hook member 6 is pressed to the inside of the collar frame 2 a by the end surface 3 a of the door 3 and the roller member 16 a of the pushing member 16. Thereafter, as shown in FIG. 3, when the door 3 moves to the closed position, the hook member 6 that has been pressed protrudes toward the door 3 by the spring member 8, and the tip 6 a of the hook member 6 engages with the engagement member 7. The door 3 is normally closed by engaging with the portion 7a. Further, the sound generated when the engaging member 7 is engaged while pressing the hook member 6 is smaller than the sound generated when the conventional latch bolt is engaged while sliding on the metal receiver.
[0016]
First, the case where the door 3 is opened from the normally closed state of the door 3 will be described. As shown in FIG. 10, the cam body 11 is rotated by swinging the push-pull handle 5 at the neutral position A to one swing end position B. As the cam body 11 rotates, the pushing member 16 moves in the direction of the door tip of the door 3 through the operation cam 15. Then, the hook member 6 is pressed against the inner side of the collar frame 2a by the roller member 16a provided in the pushing member 16, and the engagement between the hook member 6 and the engaging member 7 is released. Further, even if the cam body 11 rotates, the operating cam 12 and the engaging member 7 do not engage with each other, and the engaging member 7 at the normal locking position P1 does not rotate. Thereafter, the door 3 can be opened by pulling (pushing) the push-pull handle 5 at one swing end position B in the door opening direction. Note that after the engagement between the hook member 6 and the engagement member 7 is released, the push / pull handle 5 may be returned to the neutral position A, and the door 3 may be pulled (pushed) in this state.
[0017]
Next, a case where the door 3 is pressed against the door frame 2 from the normally closed state of the door 3 will be described. As shown in FIG. 11, the cam body 11 is rotated by swinging the push-pull handle 5 at the neutral position A to the other swing end position C. The pushing member 16 moves in the direction in which the door 3 is suspended through the operation cam 15 by the rotation of the cam body 11. Then, as the cam body 11 rotates, the operating cam 12 and the engaging member 7 engage with each other, and the engaging member 7 is moved to the hook member 6 so as to press the door 3 against the packing member 23 provided on the door frame 2. Rotate with respect to. Since the engaging member 7 is held at the position P2 by the plunger 13a, the door 3 can be pressed against the door frame 2. Therefore, even if it is difficult for the person to rotate the handle, the normally closed door 3 can be opened or the normally closed door 3 can be opened by swinging (pushing and pulling) the push / pull handle 5. 2 can be pressed.
[0018]
Next, another embodiment will be described. The door closing device 1 shown in FIG. 12 releases the latch mechanism 30 by operating the push-pull handle 5 provided on the door 3 and operates the push-pull handle 5 as described above. The door 3 is pressed against the door frame 2 via the latch mechanism 30. The latch mechanism 30 is provided in the upper part of the door tip portion of the door 3, and is capable of rotating on the hook member 31 rotatably supported on the door frame 2 (upper frame 2 b) and on the upper part of the door tip of the door 3. The engagement member 32 is provided, and the engagement member 32 is engaged with the hook member 31 when the door 3 is normally closed.
[0019]
A tip 31a of a hook member 31 rotatably supported by the upper frame 2b protrudes to the door 3 side (lower side), and is biased by a spring member 33 in the door opening direction. A support plate 35 is provided on the lower plate 34 a of the case 34 attached to the middle of the door tip portion of the door 3 at right angles to the rotation axis of the hook member 31. A cam body 36 for attaching the push-pull handle 5 to the support shaft 35 is supported so as to be swingable. Through the swingable cam body 36, the push / pull handle 5 swings to a neutral position A with the support shaft 35 as a swing center and to two swing end positions B and C that swing at a predetermined angle on both sides thereof. To do. A positioning member 37 is installed on the upper surface of the cam body 36. The positioning member 37 is formed with a plurality of cutout grooves 37a and 37b. A plunger 38 is attached to the case 34. When the plunger 38 is fitted in the one groove 37a, the push / pull handle 5 is elastically held at the neutral position A via the cam body 36 {FIG. )}. When fitted in the other groove 37b, the push / pull handle 5 is elastically held at the other swing end position C via the cam body 36 (FIG. 15C).
[0020]
A shaft member 39 is rotatably disposed in the case 34, and a groove 39 a is formed at the lower end portion of the shaft member 39. An operation cam 40 that engages with the groove 39 a is provided on the upper portion of the cam body 36. When the push / pull handle 5 is swung from the neutral position A to one swing end position B, the shaft member 28 is rotated by the operation cam 40 (FIG. 15B). Next, when the push / pull handle 5 is swung from the neutral position A to the other swing end position C, the shaft member 39 is rotated in the opposite direction by the operation cam 40 {FIG. 15 (c)}. An engaging member 32 is attached to the tip of the shaft member 39. Thus, by operating the push / pull handle 5, the engagement member 32 can be rotated around an axis perpendicular to the rotation axis of the hook member 31.
[0021]
As shown in FIG. 17, on the hook side surface of the engaging member 32, the engaging member 32 a that engages and disengages with the hook member 31 and the hook member 31 are pushed out when the engaging member 32 is rotated by the operation of the push / pull handle 5. The engagement member 32 is reversed by the operation of the push-pull handle 5 in the engagement state between the release member 32b for releasing the engagement between the hook member 31 and the engagement member 32, and the hook member 31 and the engagement portion 32a. And a pressing surface 32c that presses the door 3 against the upper frame 2b via the hook member 31. When the push / pull handle 5 swings to one swinging end position B, the engaging member 32 rotates and the release portion 32b becomes a hook member. When the push / pull handle 5 swings to the other swing end position C, the engaging member 32 rotates and the pressing surface 32c is hooked. The door 3 is swung to a pressing angle position E that presses the door 3 against the upper frame 2b.
[0022]
Operation | movement of the closing device 1 of the door 3 provided with the said latch mechanism 30 is demonstrated. When the door 3 is opened from the door frame 2, the tip 31a of the hook member 31 of the upper frame 2b protrudes toward the door 3 by the spring member 33. The push / pull handle 5 provided on the door 3 is held at the neutral position A by the plunger 38. In this state, the door 3 is closed and rotated. As shown in FIG. 18, when the door 3 approaches the closed position, the hook member 31 is pushed up to the inside of the upper frame 2 b by the end surface 3 b of the door 3 and the engaging member 32. Thereafter, as shown in FIG. 16, when the door 3 moves to the closed position, the hook member 31 that has been pushed up protrudes to the door 3 side (lower side) by the spring member 33, and the tip 31 a of the hook member 31 is engaged with the engaging member. The door 3 is normally closed by engaging with the 32 engaging portions 32a.
[0023]
First, the case where the door 3 is opened from the normally closed state of the door 3 will be described. As shown in FIG. 19, the cam body 36 is rotated by swinging the push / pull handle 5 at the neutral position A to one swing end position B. By rotating the cam body 36, the engaging member 32 is rotated to the pushing angle position D via the shaft member 39. Then, the hook member 31 is pushed up toward the upper frame 2b by the release portion 32b of the engagement member 32, and the engagement between the hook member 31 and the engagement member 32 is released. Thereafter, the door 3 can be opened by pulling (pushing) the push-pull handle 5 at one swing end position B in the door opening direction.
[0024]
Next, a case where the door 3 is pressed against the door frame 2 from the normally closed state of the door 3 will be described. As shown in FIG. 21, the cam body 36 is rotated by swinging the push-pull handle 5 at the neutral position A to the other swing end position C. By rotating the cam body 36, the engaging member 32 is pressed and rotated to the angular position E via the shaft member 39. Then, the engaging member 32 moves with respect to the hook member 31 so as to press the packing member 23 provided on the door frame 2 with the door 3. Since the engaging member 32 is held at the position E by the plunger 38, the door 3 can be pressed against the door frame 2. Therefore, even if it is difficult to rotate the handle, the normally closed door 3 can be opened or the normally closed door 3 can be opened by swinging (pushing and pulling) the push / pull handle 5. 2 can be pressed. In addition, although the closing device 1 of the door 3 provided with the latch mechanism 30 in the upper part of the door tip portion of the door 3 has been described, the latch mechanism 30 may be provided in the lower portion of the door tip portion of the door 3. Further, by providing the latch mechanisms 30 at the upper and lower portions of the door tip portion of the door 3, the pressing force is increased by pressing the door 3 against the door frame 2 at one place. Further, by incorporating the latch mechanism 4 of the above-described embodiment, the pressing force for pressing the door 3 against the door frame 2 is further increased.
[0025]
【The invention's effect】
As described above, in the present invention, the door latch can be released by pushing and pulling the push-pull handle provided on the door, and the door can be moved to the door frame via the latch by pushing and pulling the push-pull handle. It is possible to perform the pressing operation, and it is very easy to operate the opening of the latch and the pressing of the door, even for elderly people with inferior grip strength compared to the conventional one that grips the door knob and performs these operations There is an advantage.
[Brief description of the drawings]
FIG. 1 is a door hinged to be freely opened and closed on a door frame provided with a closing device of the present invention.
FIG. 2 is a detailed view of a portion P in FIG.
3 is a cross-sectional view taken along line III-III in FIG.
4 is a cross-sectional view taken along line IV-IV in FIG.
5 is a cross-sectional view taken along line VV in FIG.
FIG. 6 is a diagram showing a relationship between a push / pull handle (cam body), an engaging member, and an extruding member.
FIG. 7 is a diagram showing a relationship between a push / pull handle (cam body), an engaging member, and an extruding member.
FIG. 8 is a diagram showing a relationship between a push / pull handle (cam body), an engaging member, and an extruding member.
FIG. 9 is a view showing a state where the door is closed and rotated.
FIG. 10 is a diagram showing a state in which the door is opened from the normally closed state.
FIG. 11 is a diagram showing a state in which the door is pressed against the door frame from the normally closed state.
FIG. 12 is a diagram showing another embodiment.
13 is a detailed view of a Q part in FIG. 12;
14 is a cross-sectional view taken along line XIV-XIV in FIG.
FIG. 15 is a view showing a relationship between a push / pull handle (cam body) and a shaft member;
16 is a cross-sectional view taken along line XVI-XVI in FIG.
17 is a cross-sectional view taken along line XVII-XVII in FIG.
FIG. 18 is a diagram showing a state where the door is closed and rotated.
FIG. 19 is a diagram illustrating a state in which the door is opened from the normal closed state.
20 is a cross-sectional view taken along line XX-XX in FIG.
FIG. 21 is a diagram showing a state in which the door is pressed against the door frame from the normally closed state.
22 is a sectional view taken along line XXII-XXII in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Closing device 2 Door frame 3 Door 4, 30 Latch mechanism 5 Push / pull handle 6, 31 Hook member 6a, 31a Tip 7, 32 Engagement member 7a, 32a Engagement part 10 Support shaft 11 Cam body 12 Operation cam 16 Pushing member 32b Release part 32c Pressing surface A Neutral position B One swinging end position C The other swinging end position D Pushing angular position E Pushing angular position

Claims

扉枠と、その扉枠に開閉自在に蝶着された扉との間に介在されたラッチ機構を、扉に設けた操作手段を操作することにより解除し、その操作手段の操作により前記ラッチ機構を介して扉を扉枠に押付状態とする扉の閉鎖機構において、扉枠にフック部材を回動自在に支持し、そのフック部材を先端が扉側に突出するように付勢し、扉にフック部材と係脱する係合部材をフック部材の回動軸線と平行な回動軸線回りに通常の係止位置とフック部材を介して扉を扉枠に押付ける押付位置とに押し引き方向へ回動可能に設け、その係合部材を係止位置と押付位置に夫々保持可能に設けてラッチ機構を構成し、扉に押し引きハンドルを中立位置から扉閉鎖側の扉押付位置と扉開放側の解錠位置に揺動するように押し引き方向へ所定角度揺動可能に設け、押し引きハンドルを中立位置から扉押付位置へ揺動操作することで係合部材を係止位置から押付位置に回動させて扉を扉枠に押し付け、押し引きハンドルを中立位置から解錠位置へ揺動操作することで係合部材を押付位置から係止位置に回動させるように押し引きハンドルと係合部材を連繋させて操作手段を構成し、押し引きハンドルを押し引き方向へ揺動させることで閉鎖状態の扉をラッチ機構を介して扉枠に押付状態にしたり押付状態を解除したりできるようにしたことを特徴とする扉の閉鎖機構。A door frame, the interposed latch mechanism between the openably hinged door to the door frame, released by operating the operating means provided on the door, the latch mechanism by the operation of the operation means In the door closing mechanism that presses the door against the door frame, the hook member is rotatably supported by the door frame, and the hook member is urged so that the tip protrudes toward the door side. The engaging member that engages and disengages with the hook member is pushed and pulled in the normal locking position around the rotation axis parallel to the rotation axis of the hook member and the pressing position that presses the door against the door frame via the hook member. The latching mechanism is configured by providing it so that it can rotate, and its engaging members can be held in the locking position and the pressing position, respectively. The door is pushed from the neutral position to the door closing position and the door closing position from the neutral position. Provided with a predetermined angle swing in the push-pull direction so as to swing to the unlocked position By swinging the push / pull handle from the neutral position to the door pressing position, the engaging member is rotated from the locking position to the pressing position to press the door against the door frame, and the push / pull handle is moved from the neutral position to the unlocked position. The push / pull handle and the engagement member are linked so that the engaging member is rotated from the pressing position to the locking position by swinging operation to constitute an operating means, and the push / pull handle is swung in the push / pull direction. A door closing mechanism characterized in that the closed door can be pressed against or released from the door frame via a latch mechanism.

扉に設けた支持軸に係合部材とカム体を夫々揺動自在に設け、そのカム体に扉の両側に張出す押し引きハンドルを一体に設けてあることを特徴とする請求項１記載の扉の閉鎖機構。 2. The support shaft provided on the door is provided with an engaging member and a cam body so as to be swingable, respectively, and a push-pull handle extending on both sides of the door is integrally provided on the cam body . Door closing mechanism.

扉にフック部材を押し出す押し出し部材を扉の戸先方向へ移動可能に備え、押し引きハンドルを中立位置から扉開放側の解錠位置へ揺動操作することで押し出し部材がフック部材を扉枠側へ回動させて係合部材との係合を解除し、押し引きハンドルを解錠位置から中立位置へ揺動操作することで押し出し部材が扉の吊元方向へ移動してフック部材の扉枠側への回動を解除するように押し引きハンドルと押し出し部材を連繋させて成ることを特徴とする請求項１または２記載の扉の閉鎖装置。 A push-out member that pushes the hook member into the door is movable in the direction of the door end of the door, and the push-pull handle swings from the neutral position to the unlocking position on the door opening side to push the hook member toward the door frame. The push-pull handle is swung from the unlocked position to the neutral position to move the push-out handle toward the door suspending direction and the door frame of the hook member is released. The door closing device according to claim 1 or 2 , wherein the push-pull handle and the push-out member are linked so as to release the rotation to the side .

係合部材の後面に溝を設け、係合部材が係止位置に回動されたとき係合部材の溝に係合して係合部材を係止位置に保持可能なプランジャと、係合部材が押付位置に回動されたとき係合部材の溝に係合して係合部材を押付位置に保持可能なプランジャとを備えて成ることを特徴とする請求項１〜３の何れか１項記載の扉の閉鎖装置。 A plunger provided on the rear surface of the engagement member, and when the engagement member is rotated to the locking position, engages with the groove of the engagement member to hold the engagement member in the locking position; claim 1 but which is characterized by comprising a holding capable plunger engages the engaging member in the groove of the engaging member to the pushing position when rotated in pressing position The door closure device described.

押し引きハンドルに一対の動作カムを設け、その一対の動作カムの間に係合部材の後部を所定の隙間をもって位置させ、扉の閉鎖で係止部材とフック部材とが係合している状態において、押し引きハンドルを中立位置から扉押付位置へ揺動操作するとき、一方の動作カムが係合部材に係合して係合部材をフック部材に対して係止位置から押付位置に回転移動させ、押し引きハンドルを中立位置から解錠位置へ揺動操作するとき、他方の動作カムが係合部材に係合して係合部材を押付位置から係止位置に回動させるように構成して成ることを特徴とする請求項１〜４の何れか１項記載の扉の閉鎖装置。 A state in which a pair of operation cams are provided on the push / pull handle, the rear part of the engagement member is positioned between the pair of operation cams with a predetermined gap, and the locking member and the hook member are engaged by closing the door When the push / pull handle is swung from the neutral position to the door pressing position, one operating cam engages with the engaging member, and the engaging member rotates relative to the hook member from the locking position to the pressing position. When the push / pull handle is swung from the neutral position to the unlocked position, the other operation cam is engaged with the engaging member, and the engaging member is rotated from the pressing position to the locking position. The door closing device according to any one of claims 1 to 4, wherein the device is a door closing device.

扉枠と、その扉枠に開閉自在に蝶着された扉との間に介在されたラッチ機構を、扉に設けた操作手段を操作することにより解除し、その操作手段の操作により前記ラッチ機構を介して扉を扉枠に押付状態とする扉の閉鎖機構において、扉枠にフック部材を回動自在に支持し、そのフック部材を先端が扉側に突出するように付勢し、扉にはフック部材と係脱する係合部材をフック部材の回動軸線と直角な回動軸線回りに回動可能に設け、その係合部材のフック側面に、係合部材の中立位置で扉の通常閉鎖によりフック部材と係脱する係合部と、係合部材が一方側の押し出し角度位置に回動したときにフック部材を押し出してフック部材と係合部材との係合を解除する解除部分と、フック部材と係合部との係合状態において係合部材が前記と逆の他方側の押し付け角度位置に回動したときにフック部材を介して扉を扉枠に押し付ける押し付け面とを備えてラッチ機構を構成し、扉に押し引きハンドルを中立位置から一方の揺動端位置と他方の揺動端位置とに押し引き方向へ所定角度揺動可能に設け、押し引きハンドルを中立位置から一方の揺動端位置に揺動操作することで係合部材を押し付け角度位置に回動させ、押し引きハンドルを中立位置から他方の揺動端位置に揺動操作することで係合部材を押し出し角度位置に回動させるように押し引きハンドルと係合部材を連繋させて操作手段を構成し、押し引きハンドルを押し引き方向へ揺動させることで閉鎖状態の扉をラッチ機構を介して扉枠に押付状態にしたり押付状態を解除したりできるようにしたことを特徴とする扉の閉鎖装置。 The latch mechanism interposed between the door frame and the door hinged to the door frame so as to be freely opened and closed is released by operating an operating means provided on the door, and the latch mechanism is operated by operating the operating means. In the door closing mechanism that presses the door against the door frame, the hook member is rotatably supported by the door frame, and the hook member is urged so that the tip protrudes toward the door side. The engagement member that engages with and disengages from the hook member is provided so as to be rotatable about a rotation axis perpendicular to the rotation axis of the hook member. An engaging portion that engages with and disengages from the hook member by closing, and a release portion that pushes the hook member and releases the engagement between the hook member and the engaging member when the engaging member is rotated to the one pushing angle position. In the engaged state between the hook member and the engaging portion, the engaging member is opposite to the above. And a pressing surface that presses the door against the door frame via the hook member when it is rotated to the pressing angle position on the side, and constitutes a latch mechanism, and pushes and pulls the handle from the neutral position to one swing end position. And the other oscillating end position are provided so as to be able to oscillate by a predetermined angle in the push-pull direction, and the engagement member is rotated to the pressing angle position by swinging the push-pull handle from the neutral position to the one oscillating end position. By moving the push / pull handle from the neutral position to the other oscillating end position , the push / pull handle and the engagement member are linked so that the engagement member is rotated to the push-out angle position. The door is characterized in that the door in a closed state can be pressed against or released from the door frame via a latch mechanism by swinging the push-pull handle in the push-pull direction. Closure device.

フック部材を扉枠の上枠に設け、扉の戸先部分に上下方向の軸部材を回動自在に設け、軸部材の上端部に係合部材を設け、軸部材の下端部に溝を形成し、扉の戸先部分に設けた上下方向の支持軸に押し引きハンドルを揺動可能に支持させ、押し引きハンドルに軸部材の溝に係合する動作カムを設けて成ることを特徴とする請求項６記載の扉の閉鎖装置。 A hook member is provided on the upper frame of the door frame, a vertical shaft member is rotatably provided at the door tip portion of the door, an engagement member is provided on the upper end portion of the shaft member, and a groove is formed on the lower end portion of the shaft member. The push-pull handle is swingably supported on a vertical support shaft provided at the door end portion of the door, and the push-pull handle is provided with an operation cam that engages with a groove of the shaft member. The door closing device according to claim 6.