JP4198949B2

JP4198949B2 - Door lock bracket

Info

Publication number: JP4198949B2
Application number: JP2002196185A
Authority: JP
Inventors: 田中琢也
Original assignee: 美和ロック株式会社
Priority date: 2002-07-04
Filing date: 2002-07-04
Publication date: 2008-12-17
Anticipated expiration: 2022-07-04
Also published as: JP2004036270A

Description

【０００１】
【発明の属する技術分野】
本発明は、地震時に適合するドア用錠受け金具に関する。
【０００２】
【従来の技術】
従来技術の一例としては、特開平１１−６２３３７号（特許第３０３７９１３号）に記載の一例がある。この実施例のドア用錠受の構成は次の通りである。
【０００３】
「ドア枠に設けた取付け孔（受入れ口）に固定する固定部材と、ドア側のカンヌキを係脱させる係止孔が形成され、かつ、固定部材に挿嵌されて該固定部材を介して取付け孔に嵌め込み状態に支持させる筒形部材と、筒形部材に固定され、かつ、取付け孔と固定部材及び筒形部材の全体を覆うカバーとを備え、筒形部材は、ドア閉鎖時にドアと平行方向に付与される面内外力の発生方向に所定間隔をあけて固定部材に挿嵌され、この間隔の範囲で面内外力の発生方向にスライド可能とされ、また、面内外力と直交方向の面外外力が発生したときは、固定部材に対しスライド不能とした状態で、ドア枠の取付け孔に嵌め込み状態に保持させて面外外力と対抗させるようにしており、カバーは、所定以上の面内外力が発生したとき変形して、その発生方向への筒形部材の固定部材に対するスライドを許し、通常時には筒形部材の固定部材に対するスライドを阻止するようにドア枠に保持されているドア用錠受」。
【０００４】
上記構成のドア用錠受は、ドア枠に設けた取付け孔（受入れ口）と丁度嵌合する筒形部材にケース状の固定部材を貫通状態に挿入嵌合し、筒形部材の上下の開口端から突出した前記固定部材の取付け耳部（取付け片）をドア枠の正面壁に固着するものであるから、地震発生時、筒形部材はカバーの上下斜辺部分の変形に伴い水平方向に後退動可能なものの、上下方向に移動できないという問題点を有している。であるから、地震の揺れ方向（縦揺れ、横揺れ）如何により、筒形部材が著しく変形する可能性がある。それ故に、ドアの開閉がスムースにできなくなる可能性がある。
【０００５】
【発明が解決しようとする課題】
本発明は以上のような従来の要望点に鑑み、第１の目的は、地震発生時、地震の揺れ対応して施錠片と関係があるストライク及び可動コアが、トロヨケ内の後方空隙部ないし上下の空隙部へと多方向へ後退動することができることである。これによりドアの開閉がスムースにできなくなる危険性を極力回避することができることである。第２の目的は、構成する各部品を合理的に組み合わせることができることである。第３の目的は、可動コアをトロヨケに組み合わせる際に簡単に仮止めすることができることである。
【０００６】
【課題を解決するための手段】
本発明のドア用錠受け金具は、ドア枠１に嵌合状態に固定されるトロヨケ２と、このトロヨケの奥の内壁面並びに上下の対向内壁との間にそれぞれ空隙部４５，４６を設定してその正面開口１６から該トロヨケ内に遊嵌合状態に嵌め込まれる可動コア３と、トロヨケ２及び可動コア３の正面側をカバーするように可動コア３を介して前記ドア枠１の正面壁１０ａに当接状態に取り付けられるカバー状ストライク４とから成り、前記トロヨケ２の左右の側壁１５ｃには、それらの内周の垂直方向一辺の中央部に基準縁部としての小係合溝２０ａを有する一対の保持ピン逃し用切欠部２０が形成され、一方、可動コア３の左右側壁３ｃの挿通孔２８を貫通する上下一対の保持ピン２１が、前記小係合溝２０ａにそれぞれ係合することにより、前記枠状可動コア３が前記トロヨケ内に保持され、地震発生時、前記ストライク並びに可動コアは、外的な強い衝撃力を受けた場合、ストライクの傾斜状上下端部の変形に伴い前記保持ピン２１が前記小係合溝２０ａから保持ピン逃し用切欠部２０の内周の垂直方向他辺へと該保持ピン逃し用切欠部２０の開口範囲内で多方向へ移動する動作を介して前記トロヨケ２内の後方空隙部４５ないし上下の空隙部４６へと位置変位することを特徴とする。
【０００７】
上記構成に於いて、可動コアの左右の側壁には、トロヨケの左右の側壁に形成した被係合部２２と仮止め係合する係合部３０が設けられていることを特徴とすることを特徴とする。
【０００８】
また、本発明のドア用錠受け金具は、ドア枠１に嵌合状態に固定されるトロヨケ２Ａ、このトロヨケの奥の内壁面並びに上下の対向内壁との間にそれぞれ空隙部４５，４６を設定してその正面開口１６から該トロヨケ内に遊嵌合状態に嵌め込まれる可動コア３Ａと、トロヨケ２Ａ及び可動コア３Ａの正面側をカバーするように可動コア３Ａを介して前記ドア枠１の正面壁１０ａに当接状態に取り付けられるカバー状ストライク４Ａとから成り、前記トロヨケ２Ａの左右の側壁１５ｃには、上下一対の保持ピン用挿通孔２８Ａが形成され、一方、前記可動コア３Ａの左右の側壁３ｃには、それらの内周の垂直方向一辺の中央部に基準縁部としての小係合溝２０ａを有する保持ピン逃し用切欠部２０Ａが形成されていると共に、前記上下一対の保持ピン２１は前記小係合溝２０ａにそれぞれ係合することにより、前記枠状可動コア３が前記トロヨケ内に保持され、地震発生時、前記ストライク並びに可動コアは、外的な強い衝撃力を受けた場合、ストライクの傾斜状上下端部の変形に伴い前記保持ピン２１が前記小係合溝２０ａから保持ピン逃し用切欠部２０Ａの内周の垂直方向他辺へと該保持ピン逃し用切欠部２０Ａの開口範囲内で多方向へ移動する動作を介して前記トロヨケ２内の後方空隙部４５ないし上下の空隙部４６へと位置変位することを特徴とする
【０００９】
なお、本発明の本質的事項は、例えば図１、図２、図９、図１０等で示すように、トロヨケ２、２Ａ内にその正面開口１６から遊嵌合状態に嵌め込まれる可動コアの保持構成に、上下一対の保持ピン２１、２１Ａと、これらの保持ピンと係合する保持ピン逃し用切欠部２０、２０Ａを採用したことである。
【００１０】
ここで「基準縁部２０ａ」とは、保持ピン２１が当接する切欠部（２０，２０Ａ）の内周の垂直方向一辺の中央縁部をいう。
【００１１】
【発明の実施の形態】
まず、図１及び図２に於いて、本発明（完成品としてのドア用錠受け金具）の実施の環境部材を説明する。１はドア枠、２はドア枠に嵌合状態に固定されるトロヨケ、３はトロヨケ内に、少なくともトロヨケの奥の内壁面並びに上下の対向内壁との間にそれぞれ空隙部を設定して遊嵌合状態に嵌め込まれる枠状可動コア、４はトロヨケ２及び可動コア３の正面側を全体又は部分的にカバーするように可動コア３を介して間接的に又は直接前記ドア枠１の正面壁に当接状態に取り付けられるカバー状ストライク、５はドア枠１に対して開閉可能に設けられるドア、６はドア側に設けた錠前の第１の施錠片（ここではデッドボルト）、７はデッドボルト６と並存的に設けられた錠前の第２の施錠片（ここでは鎌片）である。なお、前記鎌片７は、防犯機能を高めるために設けられており、施錠時、図１で示すようにデッドボルト６と水平方向に重なった状態で可動コア３の正面壁２６の内壁面に対してその先端部が掛合可能な状態となっている。
【００１２】
図１はドア枠１にトロヨケ２、枠状可動コア３、カバー状ストライク４をそれぞれ固定的に取り付けた場合における通常の使用状態を示す。なお、本発明の特定要件に関係のない部分は省略してある。
【００１３】
次に図２乃至図８を参照にして本発明の第１実施例を説明する。図２はドア用錠受け具を構成する各部材の分解斜視図である。図２の左側から錠受け具の構成部材を順番に説明する。
【００１４】
まず簡略化したドア枠１から説明する。角筒部１０はドア５の垂直端面と対向する一部のみを示してある。１０ａは正面壁、１０ｂは背面壁、１０ｃ，１０ｃは左右の側壁、１１は前記正面壁１０ａに形成された縦長状の受入れ口、１２は受入れ口に連通するように左側の上下の部位にそれぞれ垂直線状に切欠されたストライク用切欠溝、１３はこれらの切欠溝１２，１２付近の正面壁１０ａに形成された上下のネジ孔である。
【００１５】
次にトロヨケ２について説明する。トロヨケ２の形状は普通一般のそれと同様である。すなわち、トロヨケ２の部分を区分けすると、図３で示すように、ドア枠１の受入れ口１１にスッポリトと入り込む正面開口の角形ケース部１５と、この角形ケース部１５の開口１６側の上下端部にそれぞれ一体形成された突片状の取付け片１７，１７とから成り、前記取付け片１７，１７には、ドア枠１のネジ孔１３，１３と符合する貫通孔１８，１８が形成されている。
【００１６】
しかして、本実施例では、前記角形ケース部１５の左右の側壁１５ｃ，１５ｃの上下の部位には、左右一対の保持ピン逃し用切欠部２０，２０がそれぞれ計４個形成されている。これらの切欠部２０は、図１又は図２で示すように、それぞれ上下一対の可動コア用保持ピン２１，２１と関係する。
【００１７】
すなわち、各保持ピン２１は左右一対の逃し用切欠部２０，２０をそれぞれ貫通する。切欠部２０は、通常の使用状態では、一つの保持ピン２１の外周面と一部係合するやや半円弧状の小係合溝２０ａと、基準縁部としての小係合溝２０ａを基準にして角形ケース部１５の背面壁１５ｂ方向に拡大して幅広（例えば矩形状、垂直長孔状など）に広がる保持ピン逃し部２０ｂとを有している。
【００１８】
また前記左右の側壁１５ｃ，１５ｃの上下部位寄りの部位には、小さな被係合部（例えば係合小孔、内壁面に形成された小さな溝など）２２，２２が形成されている。
【００１９】
次にトロヨケ２の正面開口１６から該トロヨケ内に遊嵌合状態に嵌め込まれる可動コア３について説明する。可動コア３は、図１、図４で示すように、複数個の開口を有する箱型形状に形成されている。すなわち、３ａ，３ａは上下の正面壁で、本実施例では、施錠時、鎌片７の先端部はいずれか一方の正面壁３ａの内壁面に対して掛合可能な状態となっている（鎌片７は可動コアに対しては係合している）。３ｃ，３ｃは左右の側壁、２５は前記正面壁３ａ，３ａの間に形成された縦長の前方開口、２６は正面壁３ａ，３ａにそれぞれ形成された上下の凹所、２７はこれらの凹所２６，２６にそれぞれ形成された上下のネジ孔、２８は前記左右の側壁３ｃ，３ｃの上下にそれぞれ形成された保持ピン用挿通孔、３０は左右の側壁３ｃ，３ｃの上下部位寄りの部位にそれぞれ形成され、かつ、前述したトロヨケ２の小さな被係合部２２，２２にそれぞれ係脱する小さな係合部（例えば小突起）、３１は上下の後方開口、３２は後方開口３１を上下に分断するように左右の側壁３ｃ，３ｃの中央部に固定的に横設した断面コ字型の施錠片用受け片である。
【００２０】
ところで、図１で示すように、可動コア３は係合部３０や上下の保持ピン２１，２１を介してトロヨケ２に遊嵌合状態に保持される。可動コア３がトロヨケ２に遊嵌合した時、可動コア３の小突起状の係合部３０，３０は、トロヨケ２の小さな被係合部２２，２２にそれぞれ係合する。したがって、トロヨケ２と可動コア３は、仮ではあるが一体的になる。
【００２１】
また、可動コア３に入り込んだ施錠片６の下面と前記受け片３２の水平上板部３２ａとの間には、多少のクリアランス（たとえば７ｍｍ程度）が設定されているが、地震発生時、受け片３２はドア枠の変形によってデッドボルト６の下面と水平上板部３２ａとが互いに衝突し合った場合その衝撃力を受ける。また本実施例では鎌片７も設けられているので、施錠片６と同時に鎌片７が後退しながら上昇した場合には、可動コア３の前方開口２５の上縁部が、両方の施錠片６，７からその衝撃力を受ける。
【００２２】
したがって、可動コア３は、両方の施錠片６，７がトロヨケ２側に移動してきた時、後述するように施錠片用受け片３２の水平上板部３２ａ等を介して後退上下動可能な状態となる。
【００２３】
次に図４を参照にしてカバー状のストライク４について説明する。３５はカバー部本体、３６はカバー部本体に上方と下方にそれぞれ連設する変形可能な傾斜状上下端部、３７はカバー部本体の右側端部から該カバー部本体に直交するように設けられた進入係合側壁、３８は可動コア３の前方開口２５と同一形状の正面開口、３９はカバー部本体の上下部に形成され、かつ、可動コア３のネジ孔２７，２７と符合するストライク固着具４０用の挿通孔である。
【００２４】
なお、ストライク４は、前記進入係合側壁３７に対向する他方側の側壁を有しない。またドア枠１の切欠溝１２に係合する進入係合側壁３７の上下の突片状端部３７ａ，３７ａと傾斜状上下端部３６，３６とは互いに切れている。
【００２５】
したがって、トロヨケ固着具４１，４１をカバーするストライク４の傾斜状上下端部３６，３６は、例えばストライク４を戸枠側に押し付ける略水平方向Ｘ、又はストライク４をドア５の端面側に押し付ける逆方向Ｘの衝撃力が作用すると変形可能である。
【００２６】
次に各部材の組み合わせについて簡単に説明する。まずトロヨケ２と可動コア３とを一体的に組み合わせる。この時トロヨケ２の被係合部２２，２２に可動コア３の係合部３０，３０を係合させ、また上下の保持ピン２１，２１をトロヨケ２の上下の切欠部２０，２０と可動コア３の上下の挿通孔２８，２８にそれぞれ差し込む。
【００２７】
次にトロヨケ２のケース部１５をドア枠１の受入れ口１１に嵌め込み、上下の取付け片１７，１７をドア枠１の正面壁１０ａに面接触させる。そして、トロヨケ固着具４１，４１を可動コアの貫通孔１８，１８に合わせてドア枠のネジ孔１３，１３に螺締する。これによりトロヨケ２はドア枠１に固着される。
【００２８】
次にストライク４をトロヨケ２の上下の取付け片１７，１７を覆うようにする。しかる後にストライク固着具４０，４０を挿通孔３９，３９に合わせて可動コア３のネジ孔２７，２７に螺締する。螺締すると、上下の保持ピン２１，２１はトロヨケの小係合溝２０ａに確実に係合するから、図１，図５に示すように、各部材２，３，４は一体的になる。なお、施錠片６の上面とストライク４の正面開口２８の上縁部との間には多少のリアランスがある。
【００２９】
図６及び図７は、ドア枠１が変形するような地震発生時における可動コア３の移動方向の一例を示す。前述したように、地震発生時、例えば施錠片６がドア枠１の変形によって施錠片６が傾倒し、或いは下降し、その下面と受け片３２の水平上板部３２ａとが互いに衝突し合った場合には、可動コア３がその受け片３２を介して施錠片６から強い衝撃力を受ける。
【００３０】
したがって、今仮に、図１の使用状態に於いて、ストライク４のカバー部本体３５の壁面に対して交差する方向Ｘの面外外力（外部の衝撃力）が発生すると同時に、カバー部本体３５の壁面に対して平行する方向Ｙの外力（外部の衝撃力）が発生した場合には、ドア枠１とドア５との間でストライク４が水平〜垂直方向へと衝撃的に押圧されることになるから、その上下端部３６，３６は外拡変位してドア枠１の正面壁１０ａをトロヨケ方向Ｘ並びに上下方向Ｙへとスライドする。この時可動コア３の小係合突起３０，３０は変形し、或いは破壊してトロヨケ２の小孔２２から外れる。
【００３１】
しかし、保持ピン２１を介してストライク４と可動コア３は一体であるから、ストライク４と可動コア３は、地震発生時、外的な強い衝撃力を受けた場合、ストライクの傾斜状上下端部の変形に伴い前記保持ピン２１が小係合溝２０ａから保持ピン逃し用切欠部２０の内周の垂直方向他辺へと該保持ピン逃し用切欠部２０の開口範囲内で多方向へ移動する動作を介してトロヨケ２内の後方空隙部４５ないし上下の空隙部４６へと位置変位する。
【００３２】
【実施例】
第１実施例に於いて、トロヨケ２の左右の側壁１５ｃ，１５ｃの上下の部位には、左右一対の保持ピン逃し用切欠部２０，２０がそれぞれ計４個形成されているが、ドア側の錠前の構造如何によってはその数を増やし又は減じても良い。また、可動コアの左右の側壁３ｃ，３ｃの中央部には、地震発生時、錠前の施錠片の下面と当接可能な施錠片用受け片が固定的に一つ横設されているが、施錠片の上面と当接可能な状態にもう一つ受け片を横設しても良い。なお、施錠片用受け片の形状等は任意に設計変更可能である。また、例えば可動コアの左右の側壁に被係合部２２を形成し、一方、トロヨケの左右の側壁に前記被係合部２２に仮止め係合する係合部３０を設けることも均等事項である。
【００３３】
次に図９乃至図１１に示す第２実施例について説明する。なお、第２実施例の説明にあたって、第１実施例と同一の部分には、同一又は同様の符合を付して重複する説明を省略する。
【００３４】
第２実施例において、前記実施例と主に異なる点は、本発明の特徴点（保持ピン用切欠部と挿通孔の形成対象）を設計変更したことである。すなわち、図１０で示すようにトロヨケ２Ａの左右の側壁１５ｃ，１５ｃの方に保持ピン２１，２１用の挿通孔２８Ａ，２８Ａを上下にそれぞれ形成し、一方、可動コア３Ａの左右の側壁３ｃ，３ｃに、保持ピン逃がし用切欠部２０Ａ，２０Ａを上下にそれぞれ形成したことである。この実施例の上下の保持ピン２１，２１と上下の切欠部２０Ａ，２０Ａとの係合関係は、図９に示す通りである。
【００３５】
図９と第１実施例の図１とを比較すると、切欠部２０Ａ，２０Ａの向きが逆になっており、ストライク固着具４０，４０を螺締した時は、上下の保持ピン２１，２１は、トロヨケ２Ａ内の後方空隙部４５側に位置する小係合溝２０ａ，２０ａにそれぞれ係合する。
【００３６】
付言すると、保持ピン２１は、通常の使用状態では、トロヨケ２の左右の側壁の上下部にそれぞれ形成した一対の切欠部２０の基準縁部２０ａと係合し、地震発生時、保持ピン２１は、基準縁部２０ａからトロヨケ２のケース部１５の背面壁１５ｂ方向に拡大して幅広に広がる保持ピン逃し部２０ｂへと移動可能である。このように設計変更しても第１実施例と同一の作用・効果がある。
【００３７】
【発明の効果】
以上の説明から明らかなように、本発明にあっては、次に列挙するような効果がある。
（１）地震発生時、地震の揺れに対応して施錠片と係合関係があるストライク４及び可動コア３は、保持ピン逃し用切欠部２０の開口範囲内で多方向へ移動可能な保持ピン２１を介してトロヨケ内の後方空隙部ないし上下の空隙部へと多方向へ後退動することができる。したがって、ドアの開閉がスムースにできなくなる危険性を極力回避することができる。
（２）構成する各部品を合理的に組み合わせることができる。
（３）請求項４に記載の発明は、可動コアをトロヨケに組み合わせる際に簡単に仮止めすることができる。
【図面の簡単な説明】
図１乃至図８は本発明の第１実施例を示す各説明図。図９乃至図１１は本発明の第２実施例を示す各説明図
【図１】第１実施例の実施形態を示す概略説明図（通常の使用状態）。
【図２】分解斜視図。
【図３】ドア枠とトロヨケの関係を示す斜視図。
【図４】可動コアとストライクとの関係を示す斜視図。
【図５】トロヨケと可動コアとストライクとを結合関係を示す斜視図。
【図６】平面から見た概略説明図。
【図７】地震発生時の可動コアの状態を示す概略断面説明図（平面視）。
【図８】地震発生時の可動コアの状態を示す概略断面説明図（側壁視）。
【図９】第２実施例の実施形態を示す概略説明図（通常の使用状態）。
【図１０】分解斜視図。
【図１１】地震発生時の可動コアの状態を示す概略断面説明図（側壁視）。
【符号の説明】
Ｘ…水平方向、Ｙ…上下方向、１…ドア枠、２，２Ａ…トロヨケ、３，３Ａ…可動コア、３ａ…正面壁、３ｃ…左右の側壁、４…ストライク、５…ドア、６，７…施錠片、１０…角筒部、１０ａ…正面壁、１０ｂ…背面壁、１０ｃ…左右の側壁、１１…受入れ口、１２…ストライク用切欠溝、１３…ネジ孔、１５…角形ケース部、１５ｃ…左右の側壁、１６…開口、１７…取付け片、１８…貫通孔、２０，２０Ａ…切欠部、２０ａ…小係合溝、２０ｂ…保持ピン逃し部、２１…保持ピン、２２…被係合部、２５…前方開口、２６…凹所、２７…ネジ孔、２８，２８Ａ…挿通孔、３０…係合部、３１…後方開口、３２…施錠片用受け片、３２ａ…水平上板部、３５…カバー部本体、３６…傾斜状上下端部、３７…進入係合側壁、３８…正面開口、３９…挿通孔、４０…ストライク固着具、４１…トロヨケ固着具、４５…後方空隙部、４６…上下の空隙部。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lock bracket for a door that is suitable for an earthquake.
[0002]
[Prior art]
As an example of the prior art, there is an example described in JP-A-11-62337 (Patent No. 3037913). The structure of the door lock of this embodiment is as follows.
[0003]
“A fixing member for fixing to a mounting hole (receiving port) provided in the door frame and a locking hole for engaging and disengaging the door-side cannula are formed, and is inserted into the fixing member and attached via the fixing member. A cylindrical member that is fitted in the hole and supported, and a cover that is fixed to the cylindrical member and covers the mounting hole, the fixing member, and the entire cylindrical member, and the cylindrical member is parallel to the door when the door is closed. Is inserted into the fixing member at a predetermined interval in the direction of generation of the in-plane external force applied in the direction, and is slidable in the direction of generation of the in-plane external force within the range of this interval, and is orthogonal to the in-plane external force When an out-of-plane external force is generated, the fixed member is made slidable and is held in the door frame mounting hole so as to be opposed to the out-of-plane external force. When internal / external force is generated, Allowing sliding relative to the stationary member of the tubular member to the raw direction, door lock receiving held in the door frame so as to prevent sliding with respect to the fixed member of the cylindrical member at the time of normal. "
[0004]
The door lock having the above-described structure is formed by inserting and fitting a case-like fixing member in a penetrating manner into a cylindrical member that is just fitted to a mounting hole (receiving port) provided in the door frame, and opening the upper and lower sides of the cylindrical member. Since the mounting ears (mounting pieces) of the fixing member protruding from the end are fixed to the front wall of the door frame, the cylindrical member is retracted in the horizontal direction along with the deformation of the upper and lower oblique sides of the cover in the event of an earthquake. Although it can move, it has a problem that it cannot move up and down. Therefore, there is a possibility that the cylindrical member is remarkably deformed depending on the direction of the earthquake (pitch, roll). Therefore, there is a possibility that the door cannot be opened and closed smoothly.
[0005]
[Problems to be solved by the invention]
In view of the above-described conventional demands, the first object of the present invention is that when an earthquake occurs, the strike and the movable core that are related to the locking piece in response to the shaking of the earthquake include It is possible to move backward in multiple directions to the gap. As a result, it is possible to avoid as much as possible the danger that the door can be opened and closed smoothly. The second purpose is to be able to rationally combine the constituent parts. The third object is that the movable core can be easily temporarily fixed when it is combined with the troyoke.
[0006]
[Means for Solving the Problems]
In the door lock bracket of the present invention, gaps 45 and 46 are respectively set between the trowel 2 fixed to the door frame 1 in a fitted state, and the inner wall at the back of the trolley and the upper and lower opposing inner walls. A movable core 3 fitted in a loosely fitted state in the trowel from the front opening 16 thereof, and the front wall 10a of the door frame 1 through the movable core 3 so as to cover the troyoke 2 and the front side of the movable core 3. The left and right side walls 15c of the troyoke 2 have a small engagement groove 20a as a reference edge at the center of one side in the vertical direction of the inner circumference. A pair of holding pin relief notches 20 are formed, and on the other hand, a pair of upper and lower holding pins 21 penetrating the insertion holes 28 of the left and right side walls 3c of the movable core 3 are respectively engaged with the small engagement grooves 20a. The above Jo movable core 3 is retained in the Toroyoke, when the earthquake occurred, the strike and the movable core, when subjected to external strong impact force, the retaining pin 21 with the deformation of the inclined upper and lower ends of the strike The inside of the troyoke 2 is moved from the small engagement groove 20a to the other side in the vertical direction of the inner periphery of the holding pin relief cutout portion 20 in a multi-direction within the opening range of the holding pin relief cutout portion 20 . The position is displaced from the rear gap 45 to the upper and lower gaps 46.
[0007]
In the above configuration, the left and right side walls of the movable core are provided with engaging portions 30 that are temporarily engaged with the engaged portions 22 formed on the left and right side walls of the troyoke. Features.
[0008]
In the door lock bracket of the present invention, the gaps 45 and 46 are set between the troyoke 2A fixed in the fitted state to the door frame 1, the inner wall surface at the back of the troyoke, and the upper and lower opposing inner walls, respectively. Then, the movable core 3A that is fitted in the trolley from the front opening 16 in a loosely fitting state, and the front wall of the door frame 1 through the movable core 3A so as to cover the front side of the trolley 2A and the movable core 3A. The left and right side walls 15c of the troyoke 2A are formed with a pair of upper and lower holding pin insertion holes 28A, and the left and right side walls of the movable core 3A. the 3c, together with the holding pin relief notches 20A having a small engagement groove 20a as a reference edge in the center of their inner circumference in the vertical direction one side is formed, the pair of upper and lower retaining Pin 21 by respectively engaging the small engagement groove 20a, the frame-like movable core 3 is retained in the Toroyoke, when the earthquake occurred, the strike and the movable core is subjected to external strong impact force If the upper and lower ends of the strike are inclined, the holding pin 21 extends from the small engagement groove 20a to the other side in the vertical direction of the inner periphery of the holding pin relief notch 20A. The position is displaced to the rear gap 45 or the upper and lower gaps 46 in the troyoke 2 through the movement in multiple directions within the opening range of 20A.
The essential matter of the present invention is, for example, as shown in FIG. 1, FIG. 2, FIG. 9, FIG. In the configuration, a pair of upper and lower holding pins 21 and 21A and holding pin relief notches 20 and 20A that engage with these holding pins are employed.
[0010]
Here, the “reference edge portion 20a” refers to a central edge portion on one side in the vertical direction of the inner periphery of the cutout portion (20, 20A) with which the holding pin 21 abuts.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
First, in FIG. 1 and FIG. 2, an environmental member for carrying out the present invention ( a door lock bracket as a finished product ) will be described. 1 is a door frame, 2 is a trolley that is fixed to the door frame in a fitted state, 3 is a loose fit, and at least a gap is set between the inner wall at the back of the trolley and the upper and lower opposing inner walls. The frame-shaped movable core 4 fitted in the combined state is indirectly or directly on the front wall of the door frame 1 through the movable core 3 so as to cover the front side of the troyoke 2 and the movable core 3 in whole or in part. A cover-like strike attached in a contact state, 5 is a door provided to be openable and closable with respect to the door frame 1, 6 is a first lock piece (dead bolt) of a lock provided on the door side, and 7 is a dead bolt. 6 is a second locking piece (here, a sickle piece) of the lock provided in parallel. The sickle piece 7 is provided in order to enhance the crime prevention function. When locked, the sickle piece 7 is placed on the inner wall surface of the front wall 26 of the movable core 3 so as to overlap the dead bolt 6 in the horizontal direction as shown in FIG. On the other hand, the tip portion can be engaged.
[0012]
FIG. 1 shows a normal use state when the troyoke 2, the frame-like movable core 3, and the cover-like strike 4 are fixedly attached to the door frame 1, respectively. Note that portions not related to the specific requirements of the present invention are omitted.
[0013]
Next, a first embodiment of the present invention will be described with reference to FIGS. FIG. 2 is an exploded perspective view of each member constituting the door lock receiver. The components of the lock receiver will be described in order from the left side of FIG.
[0014]
First, the simplified door frame 1 will be described. Only a part of the rectangular tube portion 10 facing the vertical end surface of the door 5 is shown. 10a is a front wall, 10b is a back wall, 10c and 10c are left and right side walls, 11 is a vertically long receiving port formed in the front wall 10a, and 12 is on the upper and lower parts on the left side so as to communicate with the receiving port. Strike cutout grooves 13 cut into vertical lines are upper and lower screw holes formed in the front wall 10a in the vicinity of the cutout grooves 12 and 12, respectively.
[0015]
Next, Troyoke 2 will be described. The shape of Troyoke 2 is generally the same as that of ordinary ones. That is, when the portion of the troyoke 2 is divided, as shown in FIG. 3, as shown in FIG. 3, the rectangular case portion 15 of the front opening that enters the reception opening 11 of the door frame 1, and the upper and lower ends of the rectangular case portion 15 on the opening 16 side. Are formed integrally with projecting piece-like mounting pieces 17, 17, and through-holes 18, 18 that coincide with the screw holes 13, 13 of the door frame 1 are formed in the mounting pieces 17, 17. .
[0016]
Thus, in this embodiment, a total of four left and right holding pin relief notches 20 and 20 are formed in the upper and lower portions of the left and right side walls 15c and 15c of the rectangular case portion 15, respectively. These notches 20 are related to a pair of upper and lower movable core holding pins 21 and 21, respectively, as shown in FIG.
[0017]
That is, each holding pin 21 penetrates the pair of left and right relief cutouts 20, 20. In a normal use state, the notch portion 20 is based on a small semicircular arc-shaped small engagement groove 20a that partially engages with the outer peripheral surface of one holding pin 21 and a small engagement groove 20a as a reference edge. And a holding pin relief portion 20b that expands in the direction of the back wall 15b of the rectangular case portion 15 and widens (for example, rectangular shape, vertical long hole shape, etc.).
[0018]
Further, small engaged portions (for example, small engagement holes, small grooves formed on the inner wall surface, etc.) 22 and 22 are formed at portions of the left and right side walls 15c and 15c near the upper and lower portions.
[0019]
Next, the movable core 3 that is fitted into the trolley from the front opening 16 of the trolley 2 in the loose fit will be described. As shown in FIGS. 1 and 4, the movable core 3 is formed in a box shape having a plurality of openings. That is, 3a and 3a are upper and lower front walls, and in this embodiment, when locked, the tip of the sickle piece 7 can be engaged with the inner wall surface of one of the front walls 3a (sickle). The piece 7 is engaged with the movable core). 3c and 3c are left and right side walls, 25 is a vertically long front opening formed between the front walls 3a and 3a, 26 is upper and lower recesses formed in the front walls 3a and 3a, and 27 is these recesses. Upper and lower screw holes formed on the left and right side walls 3c and 3c, holding pin insertion holes formed on the upper and lower sides of the left and right side walls 3c and 3c, respectively, and 30 on a portion near the upper and lower parts of the left and right side walls 3c and 3c. Small engagement portions (for example, small protrusions) formed and respectively engaged with and disengaged from the small engaged portions 22 and 22 of the Troyoke 2 described above, 31 is an upper and lower rear opening, and 32 is a rear opening 31 divided vertically. In this way, it is a receiving piece for a locking piece having a U-shaped cross section fixedly provided in the center of the left and right side walls 3c, 3c.
[0020]
By the way, as shown in FIG. 1, the movable core 3 is held in a loosely fitted state on the trowel 2 via the engaging portion 30 and the upper and lower holding pins 21 and 21. When the movable core 3 is loosely fitted to the trowel 2, the small protrusion-like engaging portions 30, 30 of the movable core 3 are engaged with the small engaged portions 22, 22 of the troyoke 2, respectively. Accordingly, the troyoke 2 and the movable core 3 are integrated with each other, though temporarily.
[0021]
Further, a slight clearance (for example, about 7 mm) is set between the lower surface of the locking piece 6 entering the movable core 3 and the horizontal upper plate portion 32a of the receiving piece 32. The piece 32 receives the impact force when the lower surface of the dead bolt 6 and the horizontal upper plate portion 32a collide with each other due to the deformation of the door frame. Moreover, since the sickle piece 7 is also provided in the present embodiment, when the sickle piece 7 rises while retracting simultaneously with the locking piece 6, the upper edge portion of the front opening 25 of the movable core 3 has both locking pieces. The impact force is received from 6,7.
[0022]
Therefore, the movable core 3 can be moved back and up via the horizontal upper plate portion 32a of the locking piece receiving piece 32, as will be described later, when both of the locking pieces 6 and 7 have moved to the trolley 2 side. It becomes.
[0023]
Next, the cover-like strike 4 will be described with reference to FIG. 35 is a cover main body, 36 is a deformable inclined upper and lower end portion that is connected to the cover main body upward and downward, and 37 is provided so as to be orthogonal to the cover main body from the right end of the cover main body. The approach engaging side wall 38 is a front opening having the same shape as the front opening 25 of the movable core 3, and 39 is formed in the upper and lower portions of the cover main body and is fixed to strike that matches the screw holes 27, 27 of the movable core 3. This is an insertion hole for the tool 40.
[0024]
The strike 4 does not have the other side wall facing the entry engagement side wall 37. Further, the upper and lower projecting end portions 37a and 37a and the inclined upper and lower end portions 36 and 36 of the approach engagement side wall 37 engaged with the notch groove 12 of the door frame 1 are cut off from each other.
[0025]
Therefore, the inclined upper and lower end portions 36 and 36 of the strike 4 that covers the Troyoke fixing devices 41 and 41 are, for example, the substantially horizontal direction X that presses the strike 4 against the door frame side, or the reverse that presses the strike 4 against the end face side of the door 5. It can be deformed when an impact force in the direction X is applied.
[0026]
Next, the combination of each member is demonstrated easily. First, the troyoke 2 and the movable core 3 are combined together. At this time, the engaging portions 30 and 30 of the movable core 3 are engaged with the engaged portions 22 and 22 of the trolley 2, and the upper and lower holding pins 21 and 21 are connected to the upper and lower cutout portions 20 and 20 of the trooke 2 and the movable core. 3 are inserted into the upper and lower insertion holes 28, 28, respectively.
[0027]
Next, the case portion 15 of the troyoke 2 is fitted into the receiving port 11 of the door frame 1, and the upper and lower mounting pieces 17, 17 are brought into surface contact with the front wall 10 a of the door frame 1. Then, the Troyoke fixing tools 41 and 41 are screwed into the screw holes 13 and 13 of the door frame in accordance with the through holes 18 and 18 of the movable core. As a result, the trolley 2 is fixed to the door frame 1.
[0028]
Next, the strike 4 is made to cover the upper and lower mounting pieces 17, 17 of the troyoke 2. Thereafter, the strike fixtures 40, 40 are screwed into the screw holes 27, 27 of the movable core 3 in accordance with the insertion holes 39, 39. When screwed, the upper and lower holding pins 21 and 21 are surely engaged with the small engagement groove 20a of the troyoke, so that the members 2, 3 and 4 are integrated as shown in FIGS. In addition, there is some rear lance between the upper surface of the locking piece 6 and the upper edge of the front opening 28 of the strike 4.
[0029]
6 and 7 show an example of the moving direction of the movable core 3 when an earthquake occurs that causes the door frame 1 to deform. As described above, when an earthquake occurs, for example, the locking piece 6 tilts or descends due to the deformation of the door frame 1, and the lower surface thereof and the horizontal upper plate portion 32a of the receiving piece 32 collide with each other. In this case, the movable core 3 receives a strong impact force from the locking piece 6 through the receiving piece 32.
[0030]
Therefore, in the state of use of FIG. 1, an out-of-plane external force (external impact force) in the direction X intersecting the wall surface of the cover body 35 of the strike 4 is generated at the same time. When an external force (external impact force) in the direction Y parallel to the wall surface is generated, the strike 4 is shockedly pressed in the horizontal to vertical direction between the door frame 1 and the door 5. Therefore, the upper and lower end portions 36, 36 are displaced outwardly and slide in the trolley direction X and the vertical direction Y on the front wall 10a of the door frame 1. At this time, the small engagement protrusions 30, 30 of the movable core 3 are deformed or broken and come out of the small hole 22 of the trojoke 2.
[0031]
However, since the strike 4 and the movable core 3 are integrated with each other via the holding pin 21, when the strike 4 and the movable core 3 are subjected to an external strong impact force in the event of an earthquake, the strike upper and lower ends of the strike are inclined. With the deformation of the holding pin 21, the holding pin 21 moves from the small engagement groove 20a to the other side in the vertical direction of the inner periphery of the holding pin escape notch 20 in multiple directions within the opening range of the holding pin escape notch 20. Through the operation, the position is displaced to the rear gap 45 or the upper and lower gaps 46 in the trolley 2.
[0032]
【Example】
In the first embodiment, a total of four left and right holding pin relief notches 20 and 20 are formed in the upper and lower portions of the left and right side walls 15c and 15c of the troyoke 2, respectively. The number may be increased or decreased depending on the structure of the lock. In addition, at the central part of the left and right side walls 3c, 3c of the movable core, one receiving piece for the locking piece that can come into contact with the lower surface of the locking piece before the lock is fixedly placed horizontally in the event of an earthquake. Another receiving piece may be provided laterally so as to be in contact with the upper surface of the locking piece. The shape of the receiving piece for the locking piece can be arbitrarily changed in design. Further, for example, it is also equivalent that the engaged portions 22 are formed on the left and right side walls of the movable core, and the engaging portions 30 that are temporarily engaged with the engaged portions 22 are provided on the left and right side walls of the troyoke. is there.
[0033]
Next, a second embodiment shown in FIGS. 9 to 11 will be described. In the description of the second embodiment, the same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant description is omitted.
[0034]
In the second embodiment, the main difference from the previous embodiment is that the design of the characteristic point of the present invention (the object for forming the holding pin notch and the insertion hole) is changed. That is, as shown in FIG. 10, the insertion holes 28A and 28A for the holding pins 21 and 21 are formed vertically on the left and right side walls 15c and 15c, respectively, while the left and right side walls 3c and 15c of the movable core 3A are formed. In 3c, the holding pin relief notches 20A and 20A are formed vertically. The engaging relationship between the upper and lower holding pins 21 and 21 and the upper and lower notches 20A and 20A in this embodiment is as shown in FIG.
[0035]
Comparing FIG. 9 with FIG. 1 of the first embodiment, the directions of the notches 20A and 20A are reversed, and when the strike fixtures 40 and 40 are screwed, the upper and lower holding pins 21 and 21 are The small engagement grooves 20a and 20a located on the rear gap 45 side in the troyoke 2A are respectively engaged.
[0036]
In addition, the holding pin 21 engages with the reference edge portions 20a of the pair of notches 20 formed on the upper and lower portions of the left and right side walls of the troyoke 2 in a normal use state. The base edge portion 20a is movable in the direction of the back wall 15b of the case portion 15 of the troyoke 2 to the holding pin relief portion 20b that widens and widens. Even if the design is changed in this way, the same operation and effect as the first embodiment can be obtained.
[0037]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
(1) When an earthquake occurs, shaking locking piece and the engaging relation strike 4 and the movable core 3 corresponds to an earthquake, the retaining pin being movable in multiple directions in the opening range of the retaining pin relief notches 20 Through 21, it can be moved back and forth in a multidirectional direction from the rear gap in the trolley to the upper and lower gaps. Therefore, it is possible to avoid the danger that the door can be opened and closed smoothly.
(2) Each component to be configured can be rationally combined.
(3) The invention according to claim 4 can be temporarily fixed when the movable core is combined with the trolley.
[Brief description of the drawings]
1 to 8 are explanatory views showing a first embodiment of the present invention. FIG. 9 to FIG. 11 are explanatory views showing a second embodiment of the present invention. FIG. 1 is a schematic explanatory view showing an embodiment of the first embodiment (normal use state).
FIG. 2 is an exploded perspective view.
FIG. 3 is a perspective view showing a relationship between a door frame and Troyoke.
FIG. 4 is a perspective view showing a relationship between a movable core and a strike.
FIG. 5 is a perspective view showing a coupling relationship between Troyoke, a movable core, and a strike.
FIG. 6 is a schematic explanatory view seen from a plane.
FIG. 7 is a schematic cross-sectional explanatory diagram (plan view) showing the state of the movable core at the time of the earthquake.
FIG. 8 is a schematic cross-sectional explanatory view (side wall view) showing the state of the movable core when an earthquake occurs.
FIG. 9 is a schematic explanatory view showing an embodiment of a second example (normal use state).
FIG. 10 is an exploded perspective view.
FIG. 11 is a schematic cross-sectional explanatory view (side wall view) showing the state of the movable core when an earthquake occurs.
[Explanation of symbols]
X: Horizontal direction, Y: Vertical direction, 1 ... Door frame, 2, 2A ... Troyoke, 3, 3A ... Movable core, 3a ... Front wall, 3c ... Left and right side walls, 4 ... Strike, 5 ... Door, 6, 7 DESCRIPTION OF SYMBOLS ... Locking piece, 10 ... Square tube part, 10a ... Front wall, 10b ... Back wall, 10c ... Left and right side walls, 11 ... Receiving port, 12 ... Strike notch groove, 13 ... Screw hole, 15 ... Square case part, 15c ... right and left side walls, 16 ... opening, 17 ... mounting piece, 18 ... through hole, 20, 20A ... notch, 20a ... small engagement groove, 20b ... holding pin relief, 21 ... holding pin, 22 ... engaged Part, 25 ... front opening, 26 ... recess, 27 ... screw hole, 28, 28A ... insertion hole, 30 ... engagement part, 31 ... rear opening, 32 ... receiving piece for locking piece, 32a ... horizontal upper plate part, 35: Cover body, 36: Inclined upper and lower ends, 37: Incoming engagement side wall, 38: Front opening 39 ... insertion holes, 40 ... strike fasteners, 41 ... Toroyoke fasteners, 45 ... rear cavity portion, 46 ... upper and lower air-gap portion.

Claims

A gap 45, 46 is set between the troyoke 2 fixed to the door frame 1 in a fitted state, the inner wall surface at the back of the trolley and the upper and lower opposing inner walls, respectively, and from the front opening 16 into the troyoke. A movable core 3 fitted in a loosely fitted state, and a cover-like strike attached to the front wall 10a of the door frame 1 via the movable core 3 so as to cover the front side of the trowel 2 and the movable core 3 And a pair of retaining pin relief notches 20 having a small engagement groove 20a as a reference edge at the center of one side in the vertical direction of the inner circumference thereof. is formed, whereas, a pair of upper and lower retaining pin 21 passing through the insertion hole 28 of the left and right side walls 3c of the movable core 3, by respectively engaging the small engagement groove 20a, is the frame-like movable core 3 the Toroyoke Held in the holding, during the earthquake, the strike and the movable core, when subjected to external strong impact force, the retaining pin 21 with the deformation of the inclined upper and lower ends of the strike from the small engaging groove 20a Through the operation of moving in multiple directions within the opening range of the holding pin relief notch 20 to the other side in the vertical direction of the inner periphery of the pin relief notch 20 , A door lock receiving metal that is displaced to the gap 46.

2. The door according to claim 1, wherein the left and right side walls of the movable core are provided with engaging portions 30 that are temporarily engaged with the engaged portions 22 formed on the left and right side walls of the troyoke. Lock receiving bracket.

Toroyoke 2A is fixed to the door frame 1 in the fitting state, Yu from the front opening 16 each set a gap portion 45 between the back of the inner wall surface and the upper and lower opposite inner wall of the Toroyoke within the Toroyoke The movable core 3A fitted in the fitted state, and the cover-like strike 4A attached to the front wall 10a of the door frame 1 via the movable core 3A so as to cover the front side of the trowel 2A and the movable core 3A. A pair of upper and lower holding pin insertion holes 28A are formed in the left and right side walls 15c of the troyoke 2A, while the left and right side walls 3c of the movable core 3A have one side in the vertical direction of the inner periphery thereof. the central portion together with the holding pin relief notches 20A having a small engagement groove 20a as a reference edge is formed of the pair of upper and lower retaining pin 21 is the small engagement groove 20a Niso By engaging, respectively, the frame-like movable core 3 is retained in the Toroyoke, when the earthquake occurred, the strike and the movable core, when subjected to external strong impact force, inclined upper and lower ends of the Strike As the portion is deformed, the holding pin 21 extends from the small engagement groove 20a to the other side in the vertical direction of the inner periphery of the holding pin relief notch 20A in multiple directions within the opening range of the holding pin relief notch 20A. A door lock receiving metal fitting that is displaced in position to the rear gap 45 or the upper and lower gaps 46 in the troyoke 2 through a moving operation .