JP3989045B2

JP3989045B2 - Lock structure of lock device and cylinder-locking structure

Info

Publication number: JP3989045B2
Application number: JP30114696A
Authority: JP
Inventors: 川里吉弘
Original assignee: 美和ロック株式会社
Priority date: 1996-10-24
Filing date: 1996-10-24
Publication date: 2007-10-10
Anticipated expiration: 2016-10-24
Also published as: JPH10121795A

Description

【０００１】
【発明の属する技術分野】
本発明は自動販売機、ロッカー等の扉に取付けられる錠装置の錠把手とシリンダ―錠との固定構造に関する。
【０００２】
【従来の技術】
この種の先行技術の一例は、例えば特開平７−２２９３４０号公報に記載されている。この公開公報には錠装置の全体の構成と共に、錠装置の錠把手とシリンダ―錠との固定構造についても詳細に記述されている。
【０００３】
そこで本願発明の構成と従来のそれとを対比する場合の便宜上、図１６及び図１７を参照に上記従来の技術の構成について簡単に説明する。
【０００４】
図１６で示すように、従来の固定構造は、錠把手１に窓状の貫通孔２が形成され、この貫通孔２内には錠把手１に一体に設けられた支持部３が縦方向に掛け渡されている。一方、錠把手１内に嵌合するシリンダー錠４の外筒の外周壁には、周方向に複数個の係止溝５が等間隔で形成されている。
【０００５】
しかして、シリンダー錠の抜け防止用固定手段６は、錠把手１の貫通孔２に遊嵌合し、かつ、対向する両側壁の挿入端部６ａ、６ａにシリンダー錠４の係止溝５と係合する弧状爪部を有する端面コ字型状の係止片６と、この係止片６の外端部６ｂに形成された固着具用挿入孔７を貫通すると共に、錠把手１の支持部３のメネジ８に螺合するオネジ９とから成る。
【０００６】
しかしながら、上記錠把手１とシリンダ―錠４との固定構造に於いては、図１７で示すような問題点が有った。
【０００７】
すなわち、今仮に錠把手からシリンダ―錠を強制的に引き抜こうとし、左図に示す矢印Ａ（引き抜き）方向に力が作用した場合、右図で示すようにシリンダ―錠４の細い係止溝５を形成するネジ山、又は係止片６の弧状爪部が削れ或いは変形する場合が有る。また係止片６の弧状爪部をシリンダ―錠４の細い係止溝５に係止固定させる構成であることから、シリンダ―錠４の係止溝５と係止片６の弧状爪部との係止乃至位置関係を十分に考慮し、係止溝５や弧状爪部を精度良く形成しなければならない。
【０００８】
【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問題点に鑑み、第１の目的は、泥棒が錠把手からシリンダ―錠を強制的に引き抜こうとしても、シリンダ―錠の抜け防止用固定手段を構成する係止片の挿入先端部が容易に削れ、或いは変形しないことである。これにより錠把手からシリンダー錠が抜けないことを期待することができる。また第２の目的は、シリンダ―錠と係止片との係止乃至位置関係を十分に考慮しなくとも（或いは係止片の挿入先端部を精度良く製造しなくとも）、シリンダ―錠と係止片との十分な係止状態を図ることができることである。
【０００９】
【課題を解決するための手段】
本発明の錠装置の錠把手とシリンダ―錠との固定構造は、錠筐体と、この錠筐体に把手部の表面が錠筐体の表面と同一になるように格納される錠把手と、この錠把手に抜け防止用固定手段を介して固定的に格納されると共に外筒の外周壁にフラット面と弧状外周壁部を有するシリンダ―錠とから成る錠装置の錠把手とシリンダ―錠との固定構造に於いて、前記抜け防止用固定手段は、前記弧状外周壁部に周方向に沿って形成された凹所形状係合溝と、この凹所形状係合溝の内壁底面と前後対向側面とで形成された所定凹所の幅（シリンダ―錠の軸方向の所定幅）及び深さ（シリンダ―錠の半径方向の所定長）に合うように形成された指先状挿入先端部が差込み係合し、かつ前記錠把手に形成された貫通孔に嵌合する端面コ字型状の係止片と、この係止片を錠把手に固定することができるように係止片の外端部に形成された固着具用貫通孔に挿入されると共に、錠把手の支持部のメネジに螺合する固着具とから成る。
【００１０】
また本発明の錠装置の錠把手とシリンダ―錠との固定構造は、錠筐体と、この錠筐体に把手部の表面が錠筐体の表面と同一になるように格納される錠把手と、この錠把手に抜け防止用固定手段を介して固定的に格納されると共に外筒の外周壁にフラット面と弧状外周壁部を有するシリンダ―錠とから成る扉の錠装置に於いて、前記抜け防止用固定手段は、前記弧状外周壁部に周方向に沿って形成された凹所形状係合溝と、この凹所形状係合溝の内壁底面と前後対向側面とで形成された所定凹所の幅（シリンダ―錠の軸方向の所定幅）及び深さ（シリンダ―錠の半径方向の所定長）に合うように形成された指先状挿入先端部が差込み係合し、かつ前記錠把手に形成された貫通孔に嵌合する端面Ｌ字型状の係止片と、この係止片を錠把手に固定することができるように係止片の外端部に形成された固着具用貫通孔に挿入されると共に、錠把手の支持部のメネジに螺合する固着具とから成る。
【００１１】
さらに、本発明の錠装置の錠把手とシリンダ―錠との固定構造は、錠筐体と、この錠筐体に把手部の表面が錠筐体の表面と同一になるように格納される錠把手と、この錠把手に抜け防止用固定手段を介して固定的に格納されると共に外筒の外周壁にフラット面と弧状外周壁部を有するシリンダ―錠とから成る扉の錠装置に於いて、前記抜け防止用固定手段は、前記弧状外周壁部に周方向に沿って形成された凹所形状係合溝と、この凹所形状係合溝の内壁底面と前後対向側面とで形成された所定凹所の幅（シリンダ―錠の軸方向の所定幅）及び深さ（シリンダ―錠の半径方向の所定長）に合うように形成された板状挿入先端部が差込み係合し、かつ前記錠把手に形成された貫通孔に嵌合する板状の係止片と、この係止片をシリンダ―錠に固定することができるように係止片に形成された固着具用貫通孔に挿入されると共に、シリンダ―錠の外筒の凹所に形成されたメネジに螺合する固着具とから成る。
【００１２】
【発明の実施の形態】
以下、図面に示す実施例により本発明を詳細に説明する。
【００１３】
図１ないし図８は本発明の第１実施例である。Ｘは図５で示すように自動販売機、ロッカ―などの扉１０に表面１０ａと略同一面になるように取付けられる扉の錠装置である。この錠装置Ｘは、図１で示すように、基本的には扉１０に固定的に取付けられる錠筐体１１と、この錠筐体１１に把手部の表面が錠筐体の表面と同一になるように格納される錠把手２１と、この錠把手に錠の表面が錠把手の表面と略同一になるように格納されるシリンダ―錠３１と、このシリンダー錠３１が錠把手２１から抜けるのを防止する抜け防止用固定手段５０との組み合せから成る。そこで、これらの基本的部材１１、２１、３１、５０を中心にさらに詳しく説明する。
【００１４】
まず錠筐体１１について説明する。１２は周壁がトラック状に形成された嵌合取付部、１３は嵌合取付部１２の前端部に突壁状に周設されたフランジ部、１４は嵌合取付部の後端部の上方寄りの位置に円筒状に突出形成された筒状突出部、１５は嵌合取付部およびフランジ部の前面部に鍵穴形状に形成された嵌合凹所、１６は嵌合凹所１５と直交して連通するように嵌合取付部１２および筒状突出部１４に貫設された錠把手用嵌合孔、１７は嵌合取付部の前記嵌合孔が形成された内壁の適宜部位に形成された収納溝、１８は筒状突出部１４の周壁面の下方に形成された後述する施錠用ラッチと係合する丸または角型の筐体係合孔である。
【００１５】
次に錠把手２１について説明する。２２は錠筐体１１の嵌合取付部１２の嵌合孔１６に遊嵌合する円筒状の挿入胴部、２３は嵌合凹所１５に嵌入する把手部である。この把手部２３と前記挿入胴部２２は全体としてＬ型状に一体成形されている。２４は挿入胴部２２内の前方部に形成されたシリンダ―錠３１用嵌合孔、仮想線で示す符号２５は、挿入胴部２２の後方部に下方の一部を除いて挿入胴部２２の内周壁と隔離し、かつ、挿入胴部と一体に設けられた円筒部である。
【００１６】
２６は円筒部２５に嵌合し、かつ、先端部に角穴２６ａを有する合成樹脂製又は金属製の回動杆である。この回動杆２６の後端部には、施錠用ラッチ２７の突起状被係合部２７ａと係合する係合突起２６ｂが形成されている。又回動杆２６の後端部よりの部位には、周溝２６ｃが形成されている。
【００１７】
２７は円筒部２５の切欠部を有する後端部に嵌合し、かつ、回動杆２６の回動により上下動する施錠用ラッチである。この施錠用ラッチ２７は回動杆２６に対して交差方向に設けられ、その下端部は筐体係合孔１８と符合する図示しないラッチ係合孔から突出可能である。
【００１８】
ところで、錠把手２１の把手部２３と挿入胴部２２との連結部はフランジ２３ａ状に形成され、挿入胴部２２の外壁の適宜部位には前記フランジ２３ａと連設して突起部２２ａが形成されている。この突起部２２ａとフランジ２３ａは同一の面を成している。
【００１９】
しかして、図５及び図６で示すように、４０は前記突起部２２ａあるいは挿入胴部２２の先端部に形成された窓状の貫通孔である。この貫通孔４０の内部には上下の挿入空間４１ａ、４１ｂを設け、これらの挿入空間４１ａ、４１ｂの間には、板状の支持部４２が突起部２２ａあるいは挿入胴部２２に連設している。そして、支持部４２の中心部にはメネジ４３が形成されている。
【００２０】
２８は錠把手２１の挿入胴部２２の内周壁と円筒部２５の外周壁との間に形成された案内空間に組み込まれ、かつ、後端部が錠筐体把手１１の筒状突出部１４から突出するスリ―ブ状ロック部材である。
【００２１】
２９は下端部が施錠用ラッチ２７のバネ収納部に収納され、一方、上端部がスリ―ブ状ロック部材２８のスリ―ブ２８ａに形成された軸方向切欠部２８ｂを貫通して挿入胴部の内壁と圧接するラッチ用の圧縮バネである。
【００２２】
なお、図５で示す符号３０は挿入胴部２２の円筒部２５の後端面とスリ―ブ状ロック部材２８の鍔状ストッパ―壁２８ｃとの間に介装され、かつ、鍵３６でシリンダ―錠３１を解錠操作すると、錠把手２１が錠筐体１１から所要量飛び出すように常に付勢するバネ部材である。また符号２８ｄはスリ―ブ状ロック部材２８の後端部に形成されたオネジ２８ｄで、このオネジ２８ｄには長板状のロック板が固定的に取付けられる。
【００２３】
次にシリンダ―錠３１について説明する。シリンダ―錠３１は本発明の主要部である。このシリンダー錠３１は図示しないピンタンブラ―等を内蔵する。シリンダ―錠３１は前述したように錠把手２１の嵌合孔２４に格納される。
【００２４】
しかして、３２は外筒である。図３及び図４で示すように、この外筒３２の外周壁の上下には回転防止用フラット面３２ａが形成され、このフラット面３２ａを除いた弧状外周壁部には、周方向に凹所形状の係合溝３３が形成されている。３４は前述した回動杆２６の角穴２６ａに嵌入する軸状の駆動体（駆動軸）である。なお、符号３５はシリンダ―錠３１の内筒であり、また３６は普通の一般的な鍵である。
【００２５】
次にシリンダ―錠３１が錠把手２１から抜けないようにする抜け防止用固定手段５０について説明する。この抜け防止用固定手段５０も本発明の主要部である。図７及び図８で示すように、抜け防止用固定手段５０は、シリンダ―錠の凹所形状の係合溝３３に指先状挿入先端部５１ａ、５１ａ（ここで「指先状挿入先端部」とは、図３で示すように、外筒３２の弧状外周壁部に周方向に沿って凹所形状係合溝３３が形成されているが、この凹所形状係合溝３３の内壁底面と前後対向側面とで形成された所定凹所の幅及び深さに合うように形成された所定凹所に差込み係合する部分、つまり、周方向の内壁底面・周方向の前後対向側面・半径方向の深さでもって定義付けることができる軸方向の所定幅と半径方向の所定長から成る所定凹所に差込み係合する部分を意味する。）が差込み係合し、かつ、錠把手の窓状貫通孔４０に嵌合する端面コ字型状の係止片５１と、この係止片５１を錠把手２１の支持部４２に固定することができるように係止片の外端部５１ｂに形成された固着具用貫通孔５２に挿入されると共に、前記支持部４２のメネジ４３に螺合する固着具（オネジ）５３とから成る。なお、繰り返すが、所定凹所の幅とは、シリンダ―錠３１の軸方向の所定幅のことであり、また、所定凹所の深さとは、シリンダ―錠３１の半径方向の所定長のことを言う。
【００２６】
しかして、係止片５１の指先状挿入先端部５１ａの水平方向の横幅（所定凹所の幅に対応或は適合するシリンダ―錠３１の軸方向の所定幅）は、指先状挿入先端部の垂直方向の縦幅（所定凹所の周方向の内壁底面ないし深さに対応或は適合するシリンダ―錠３１の径方向の所定長）と略同じ幅である。また係止片５１の指先状挿入先端部５１ａの先端面は、シリンダ―錠３１の凹所状係合溝３３の内壁底面と面接触するようにやや弧状に形成されている。
【００２７】
上記構成に於いて、まず係止片５１をシリンダ―錠３１の凹所状係合溝３３に係止させる場合について説明する。最初に錠把手２１の窓状貫通孔４０に係止片５１の挿入先端部５１ａ、５１ａを差し込む。この場合係止片５１は、まだ錠把手２１の支持部４２に固定されていない。次に固着具（オネジ）５３を係止片５１の外端部５１ｂの固着具用貫通孔５２に挿入すると共に、ドライバーを用い、錠把手２１の支持部４２のメネジ４３、又はシリンダ―錠３１のメネジに螺合する。そうすると、係止片５１は錠把手２１に固定され、その結果、シリンダー錠３１を錠把手２１から容易に引き抜くことはできない。
【００２８】
次に錠装置Ｘの錠筐体１１、錠把手２１およびシリンダ―錠状３１の関係について説明する。錠筐体１１の嵌合孔１６に錠把手２１が嵌合し、かつ、錠把手２１の嵌合孔２４に格納されたシリンダー錠３１が施錠状態になっている時は、ラッチ２７は圧縮バネ２９のバネ力により錠筐体１１の筐体係合孔１８から突出している。この場合錠把手２１を付勢するバネ部材３０は収縮している。
【００２９】
そこで、シリンダー錠３１の鍵穴に鍵３６を差し込み、駆動体３４を回転して解錠操作をすると、駆動体３４により回動杆２６が回転し、ラッチ２７は、圧縮バネ２９のバネ力に抗して係合解除の方向へ移動し、錠筐体１１の筐体係合孔１８を越え、ラッチ係合孔内に入り込む。そうすると、錠把手２１はバネ部材３０のバネ力により外方向へ押され、図５で示すように錠筐体１１内から所要量飛び出す。この場合錠把手２１の挿入胴部２２に装着されたラッチ２７も錠筐体の筒状突出部１４の内壁をスライドしながら軸方向へ一緒に移動する。
【００３０】
次に錠把手２１が錠筐体１１から飛び出した場合に於いても、シリンダー錠３１は固定手段５０で錠把手２１に固定されているので、そのまま錠把手２１に格納されている。
【００３１】
そこで、シリンダー錠３１を錠把手２１から取り外す時は、固着具５３を緩め、係止片５１の挿入先端部５１ａ、５１ａとシリンダー錠３１の凹所状係合溝３３との係合を解消させる。そうすると、錠把手２１からシリンダー錠３１は引き抜くことが可能と成る。
【００３２】
【実施例】
この欄では図９乃至図１５を参照に第１実施例の主要部の変形例についていくつか説明する。なお、これらの変形例の説明に当たって、第１実施例と同一構成の部分には、同一又は同様の符号を付し、重複する説明を省略する。
【００３３】
まず図９で示す主要部の変形例（便宜上第２実施例という。）は、抜け防止用固定手段５０Ａを複数個（２個）用いている点が第１実施例と異なる。
【００３４】
しかして、この第２実施例の錠把手２１Ａの左右には、一対の窓状貫通孔４０Ａ、４０Ａが形成されていると共に、これらの貫通孔４０Ａ、４０Ａ内には、メネジ４３Ａ、４３Ａを有する支持部４２Ａ、４２Ａが挿入空間４１ａ、４１ｂを形成して横架されている。
【００３５】
したがって、抜け防止用固定手段５０Ａを構成する係止片５１Ａ、５１Ａも２個使用され、これらの係止片５１Ａは、錠把手２１の左右の窓状貫通孔４０Ａ、４０Ａにそれぞれ差し込まれると共に、支持部４２Ａにメネジ４３Ａに螺合する固着具５３Ａ、５３Ａを介し、錠把手２１Ａに固定される。
【００３６】
このように抜け防止用固定手段５０Ａを複数個使用すると、錠把手２１Ａからシリンダー錠３１Ａを引き抜くことは、より一層困難と成る。
【００３７】
次に図１０及び図１１で示す主要部の変形例（便宜上第３実施例という。）は、シリンダー錠３１Ｂの凹所状係合溝３３Ｂの幅（第１実施例と同様である。）を幅広に形成した点と、抜け防止用固定手段５０Ｂの係止片５１Ｂの指先状挿入先端部５１ａ、５１ａの水平方向の横幅が、挿入先端部の垂直方向の縦幅よりも大きい（広い）点が第１実施例と異なる。このように構成しても第１実施例と同様の効果を得ることができる。なお、所定凹所、所定凹所に差込み係合する指先状挿入先端部５１ａ、５１ａの概念は、第１実施例と同じである。
【００３８】
次に図１２及び図１３で示す主要部の変形例（便宜上第４実施例という。）は、錠把手２１Ｃの支持部４２Ｃによって形成される貫通孔４０Ｃの挿入空間４１ａが１個である点と、抜け防止用固定手段５０Ｃの係止片５１Ｃを端面又は断面Ｌ字型状に形成した点である。この第４実施例の場合、係止片５１Ｃの１個の指先状挿入先端部５１ａがシリンダー錠３１Ｃの凹所状係合溝３３Ｃに係合する点で第１実施例よりも効果が劣るが、一応、本発明の課題を達成することができる。なお、所定凹所、所定凹所に差込み係合する指先状挿入先端部５１ａ、５１ａの概念は、第１実施例と同じである。
【００３９】
最後に図１４及び図１５で示す主要部の変形例（便宜上第５実施例という。）は錠把手２１Ｄの貫通孔４０Ｄ内に支持部を形成し、またシリンダ―錠３１Ｄの外筒３２Ｄに形成された凹所形状の係合溝３３Ｄに１個のメネジ４３Ｄを形成し、さらに前記貫通孔４０Ｄに嵌合する係止片５１Ｂを板状或いはブロック状に形成し、係止片５１Ｂは錠把手２１Ｄにではなく、シリンダー錠３１Ｄに前記メネジ４３Ｄに螺合する固着具５３Ｄを介して固定されている点が第１実施例と異なる。このように構成しても本発明の課題を達成することができる。なお、所定凹所、所定凹所に差込み係合する板状挿入先端部５１ａ、５１ａの概念は、第１実施例と実質的に同じである。
【００４０】
【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）泥棒が錠把手からシリンダ―錠を強制的に引き抜こうとしても、シリンダ―錠の抜け防止用固定手段を構成する係止片の挿入先端部が容易に削れ、或いは変形しない。
（２）シリンダー錠の凹所状係合溝に係止片の挿入先端部を係合させるだけで発明の課題を達成することができるから、係止片の挿入先端部を精度良く製造しなくとも良い。
【図面の簡単な説明】
図１ないし図８は本発明の第１実施例である。図９乃至図１５は第１実施例の主要部の各変形例である。図１６及び図１７は従来の一例を示す各説明図である。
【図１】図１は全体の分解斜視図。
【図２】図２は錠把手と、シリンダー錠と、抜け防止用固定手段との関係を示す斜視図。
【図３】シリンダー錠の斜視図。
【図４】図３の４−４線断面図。
【図５】錠把手が錠筐体から所定量飛び出た状態の説明図。
【図６】錠把手の主要部の縦断面の説明図。
【図７】錠把手と、シリンダー錠と、抜け防止用固定手段との関係を示す説明図（錠把手は仮想線で示す）。
【図８】図７の８−８線に基づく概略断面説明図。
【図９】主要部の変形例（第２実施例）を示す概略断面説明図。
【図１０】主要部の変形例（第３実施例の係止片）を示す斜視図。
【図１１】主要部の変形例（第３実施例のシリンダー錠と係止片との関係）を示す斜視図。
【図１２】主要部の変形例（第４実施例の係止片）を示す斜視図。
【図１３】主要部の変形例（第４実施例の錠把手、シリンダー錠、係止片との関係）を示す概略説明図。
【図１４】主要部の変形例（第５実施例）を示す斜視図。
【図１５】主要部の変形例（第５実施例の錠把手、シリンダー錠、係止片との関係）を示す概略説明図。
【図１６】従来の一実施例を示す説明図。
【図１７】図１６に於ける実施例の欠点を示す説明図。
【符号の説明】
Ｘ…錠装置、１０…扉、１１…錠筐体、２１、２１Ａ、２１Ｃ、２１Ｄ…錠把手、２２…挿入胴部、２３…把手部、２５…円筒部、２６…回動杆、２７…ラッチ、３０…バネ部材、３１、３１Ａ、３１Ｂ、３１Ｃ、３１Ｄ…シリンダー錠、３２、３２Ｄ…外筒、３３、３３Ｂ、３３Ｃ、３３Ｄ…係合溝、４０、４０Ａ、４０Ｃ、４０Ｄ…貫通孔、４２、４２Ａ、４２Ｃ…支持部、４３Ａ、４３Ｄ…メネジ、５０、５０Ａ、５０Ｂ、５０Ｃ…抜け防止用固定手段、５１、５１Ａ、５１Ｂ、５１Ｃ、５１Ｄ…係止片、５１ａ…挿入先端部、５１ｂ…外端部、５２…固着具用貫通孔、５３、５３Ａ、５３Ｄ…固着具。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lock structure of a lock device attached to a door of a vending machine, a locker or the like and a fixing structure between a cylinder and a lock.
[0002]
[Prior art]
An example of this type of prior art is described in, for example, JP-A-7-229340. This publication describes in detail the structure of the lock device as well as the structure for fixing the lock handle and the cylinder lock of the lock device.
[0003]
Therefore, for the convenience of comparing the configuration of the present invention with that of the prior art, the configuration of the conventional technique will be briefly described with reference to FIGS.
[0004]
As shown in FIG. 16, in the conventional fixing structure, a window-shaped through hole 2 is formed in the lock handle 1, and a support portion 3 provided integrally with the lock handle 1 is vertically disposed in the through hole 2. It is being handed over. On the other hand, a plurality of locking grooves 5 are formed at equal intervals in the circumferential direction on the outer peripheral wall of the outer cylinder of the cylinder lock 4 fitted into the lock handle 1.
[0005]
Thus, the locking means 6 for preventing the cylinder lock from being loosely fitted is loosely fitted into the through hole 2 of the lock handle 1, and the locking groove 5 of the cylinder lock 4 is inserted into the insertion ends 6a, 6a of the opposite side walls. An end U-shaped locking piece 6 having an arcuate claw portion to be engaged, and a fixing tool insertion hole 7 formed in an outer end portion 6 b of the locking piece 6, and supporting the lock handle 1. The male screw 9 is screwed into the female screw 8 of the portion 3.
[0006]
However, the fixing structure of the lock handle 1 and the cylinder-lock 4 has a problem as shown in FIG.
[0007]
That is, if the cylinder-lock is forcibly pulled out from the lock handle and a force is applied in the direction of arrow A (withdrawal) shown in the left figure, the thin locking groove 5 of the cylinder-lock 4 is shown in the right figure. Or the arcuate claw portion of the locking piece 6 may be shaved or deformed. Since the arc-shaped claw portion of the locking piece 6 is locked and fixed to the thin locking groove 5 of the cylinder-lock 4, the locking groove 5 of the cylinder-lock 4 and the arc-shaped claw portion of the locking piece 6 The locking groove 5 and the arc-shaped claw portion must be formed with high precision in consideration of the locking or positional relationship.
[0008]
[Problems to be solved by the invention]
In view of the above-described conventional problems, the first object of the present invention is to provide a fixing means for preventing the cylinder-lock from coming off even if the thief tries to forcibly pull the cylinder-lock from the lock handle. That is, the insertion tip of the stop piece is not easily scraped or deformed. Thereby, it can be expected that the cylinder lock cannot be removed from the lock handle. In addition, the second purpose is that the cylinder-lock and the locking piece do not have sufficient consideration or the positional relationship (or the insertion tip of the locking piece is not accurately manufactured), the cylinder-lock and the locking piece. A sufficient locking state with the locking piece can be achieved.
[0009]
[Means for Solving the Problems]
The locking structure of the lock device of the present invention and the cylinder-lock fixing structure includes a lock housing and a lock handle that is stored in the lock housing so that the surface of the handle is the same as the surface of the lock housing. A lock handle and a cylinder-lock of a locking device comprising a cylinder-lock having a flat surface and an arcuate outer peripheral wall portion on the outer peripheral wall of the outer cylinder, which are fixedly stored in the lock handle via an anti-detachment fixing means In the fixing structure, the fixing means for preventing detachment includes a recess-shaped engagement groove formed in the arc-shaped outer peripheral wall portion along a circumferential direction, a bottom surface of the inner wall of the recess-shaped engagement groove, and front and rear A fingertip-shaped insertion tip formed so as to fit the width (predetermined width in the axial direction of the cylinder-lock) and depth (predetermined length in the radial direction of the cylinder-lock) formed with the opposite side surface a bayonet engagement, and the end face U-shaped shaped locking piece which fits into the through hole formed in the lock handle, A fixing tool that is inserted into a through hole for a fixing tool formed at the outer end of the locking piece so that the locking piece can be fixed to the lock handle and is screwed into the female screw of the support part of the lock handle It consists of.
[0010]
In addition, the lock handle and the cylinder-lock fixing structure of the lock device of the present invention have a lock housing and a lock handle that is stored in the lock housing so that the surface of the handle is the same as the surface of the lock housing. And a locking device for a door comprising a cylinder-lock having a flat surface and an arcuate outer peripheral wall portion on the outer peripheral wall of the outer cylinder, which is fixedly stored in the lock handle via a fixing means for preventing removal. The fixing means for preventing slipping is a predetermined shape formed by a recess-shaped engagement groove formed along the circumferential direction in the arc-shaped outer peripheral wall portion, and an inner wall bottom surface and front and rear facing side surfaces of the recess-shaped engagement groove. A fingertip-shaped insertion tip formed to fit the width of the recess (predetermined width in the axial direction of the cylinder-lock) and depth (predetermined length in the radial direction of the cylinder-lock) is inserted and engaged, and the lock An end face L-shaped locking piece that fits into a through-hole formed in the handle, and the locking piece is fixed to the lock handle It with be inserted into fastener through-hole formed in the outer end of the locking piece to allow, composed of a fastener to be screwed into the internal thread of the support portion of the lock handle.
[0011]
Furthermore, the lock structure of the lock device of the present invention and the cylinder-lock fixing structure include a lock housing and a lock housed in the lock housing so that the surface of the handle is the same as the surface of the lock housing. In a door locking device comprising a handle and a cylinder-lock having a flat surface and an arc-shaped outer peripheral wall portion which is fixedly stored in the lock handle via a retaining means for preventing the removal and has a flat surface and an arc-shaped outer peripheral wall portion on the outer peripheral wall of the outer cylinder. The fixing means for preventing slipping is formed by a recess-shaped engagement groove formed in the arc-shaped outer peripheral wall portion along the circumferential direction, an inner wall bottom surface of the recess-shaped engagement groove, and front and rear facing side surfaces. A plate-like insertion tip formed to fit the width of the predetermined recess (the predetermined width in the axial direction of the cylinder-lock) and the depth (the predetermined length in the radial direction of the cylinder-lock) are inserted and engaged, and a plate-shaped locking piece which fits into a through hole formed in the lock handle, the locking piece cylinder - to secure the lock With it being inserted into fastener through-hole formed in the lock piece to allow the cylinder - comprising a fastener to be screwed into the internal thread formed in the recess of the outer cylinder of the lock.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
[0013]
1 to 8 show a first embodiment of the present invention. As shown in FIG. 5, X is a door locking device attached to the door 10 of a vending machine, a rocker or the like so as to be substantially flush with the surface 10a. As shown in FIG. 1, the lock device X basically includes a lock housing 11 fixedly attached to the door 10, and the surface of the handle portion of the lock housing 11 is the same as the surface of the lock housing. The lock handle 21 is stored in this manner, the cylinder lock 31 is stored in such a manner that the surface of the lock is substantially the same as the surface of the lock handle, and the cylinder lock 31 is removed from the lock handle 21. It is composed of a combination with a fixing means 50 for preventing slipping. Therefore, these basic members 11, 21, 31, and 50 will be described in more detail.
[0014]
First, the lock housing 11 will be described. Reference numeral 12 denotes a fitting attachment portion having a peripheral wall formed in a track shape, 13 denotes a flange portion provided around the front end portion of the fitting attachment portion 12 in a protruding wall shape, and 14 denotes an upper portion of the rear end portion of the fitting attachment portion. A cylindrical protrusion formed in a cylindrical shape at the position of 15, 15 is a fitting recess formed in a keyhole shape on the front surface of the fitting mounting portion and the flange portion, and 16 is orthogonal to the fitting recess 15. A fitting hole for a lock handle penetrating through the fitting mounting portion 12 and the cylindrical protruding portion 14 so as to communicate with each other, 17 is formed at an appropriate portion of the inner wall where the fitting hole of the fitting mounting portion is formed. A storage groove 18 is a round or square housing engaging hole that engages with a locking latch, which will be described later, formed below the peripheral wall surface of the cylindrical protrusion 14.
[0015]
Next, the lock handle 21 will be described. Reference numeral 22 denotes a cylindrical insertion body portion that is loosely fitted in the fitting hole 16 of the fitting attachment portion 12 of the lock housing 11, and 23 is a handle portion that is fitted into the fitting recess 15. The handle portion 23 and the insertion barrel portion 22 are integrally formed in an L shape as a whole. Reference numeral 24 denotes a cylinder-lock 31 fitting hole formed in the front portion of the insertion barrel portion 22, and reference numeral 25 indicated by an imaginary line denotes the insertion barrel portion 22 except for a part below the rear portion of the insertion barrel portion 22. It is the cylindrical part which was isolated from the inner peripheral wall of this, and was provided integrally with the insertion drum part.
[0016]
Reference numeral 26 denotes a synthetic resin or metal rotating rod that fits into the cylindrical portion 25 and has a square hole 26a at the tip. An engagement protrusion 26 b that engages with the protrusion-like engaged portion 27 a of the locking latch 27 is formed at the rear end portion of the rotating rod 26. A circumferential groove 26 c is formed at a portion from the rear end portion of the rotating rod 26.
[0017]
Reference numeral 27 denotes a locking latch which is fitted to the rear end portion having the cutout portion of the cylindrical portion 25 and moves up and down by the rotation of the rotating rod 26. The locking latch 27 is provided in a crossing direction with respect to the rotary rod 26, and a lower end portion of the locking latch 27 can project from a latch engagement hole (not shown) coinciding with the housing engagement hole 18.
[0018]
By the way, the connecting portion between the handle portion 23 of the lock handle 21 and the insertion barrel portion 22 is formed in the shape of a flange 23a, and a projection 22a is formed at an appropriate portion of the outer wall of the insertion barrel portion 22 so as to be connected to the flange 23a. Has been. The protrusion 22a and the flange 23a are on the same surface.
[0019]
As shown in FIGS. 5 and 6, reference numeral 40 denotes a window-like through hole formed at the tip of the protrusion 22 a or the insertion barrel 22. Upper and lower insertion spaces 41a and 41b are provided inside the through-hole 40, and a plate-like support portion 42 is provided between the insertion spaces 41a and 41b so as to be connected to the protruding portion 22a or the insertion barrel portion 22. Yes. A female screw 43 is formed at the center of the support portion 42.
[0020]
Reference numeral 28 denotes a guide space formed between the inner peripheral wall of the insertion barrel portion 22 of the lock handle 21 and the outer peripheral wall of the cylindrical portion 25, and the rear end portion of the cylindrical protrusion portion 14 of the lock housing handle 11 is incorporated in the guide space. This is a sleeve-like lock member protruding from the head.
[0021]
29, the lower end portion is housed in the spring housing portion of the locking latch 27, while the upper end portion penetrates the axial cutout portion 28b formed in the sleeve 28a of the sleeve-like lock member 28, and the insertion barrel portion. It is a compression spring for the latch which press-contacts with the inner wall of this.
[0022]
Reference numeral 30 shown in FIG. 5 is interposed between the rear end surface of the cylindrical portion 25 of the insertion barrel portion 22 and the flange-like stopper wall 28c of the sleeve-like lock member 28, and the key 36 is used to When the lock 31 is unlocked, the spring handle 21 is always urged so that the lock handle 21 protrudes from the lock housing 11 by a required amount. Reference numeral 28d denotes a male screw 28d formed at the rear end of the sleeve-like lock member 28, and a long plate-like lock plate is fixedly attached to the male screw 28d.
[0023]
Next, the cylinder lock 31 will be described. The cylinder lock 31 is a main part of the present invention. This cylinder lock 31 incorporates a pin tumbler or the like (not shown). The cylinder lock 31 is stored in the fitting hole 24 of the lock handle 21 as described above.
[0024]
Therefore, 32 is an outer cylinder. As shown in FIGS. 3 and 4, rotation preventing flat surfaces 32a are formed above and below the outer peripheral wall of the outer cylinder 32, and the arc-shaped outer peripheral wall portion excluding the flat surface 32a is recessed in the circumferential direction. An engaging groove 33 having a shape is formed. Reference numeral 34 denotes a shaft-like drive body (drive shaft) that is fitted into the square hole 26a of the rotary rod 26 described above. Reference numeral 35 denotes an inner cylinder of the cylinder-lock 31 and 36 denotes an ordinary general key.
[0025]
Next, the retaining means 50 for preventing the cylinder lock 31 from being removed from the lock handle 21 will be described. This fixing means 50 for preventing slipping is also a main part of the present invention. As shown in FIG. 7 and FIG. 8, the securing means 50 for preventing slipping is provided with fingertip-shaped insertion tips 51a, 51a (here, “ fingertip-shaped insertion tips”) in the recess-shaped engagement grooves 33 of the cylinder-lock. As shown in FIG. 3, a recess-shaped engagement groove 33 is formed in the arc-shaped outer peripheral wall portion of the outer cylinder 32 along the circumferential direction. The portion that is inserted into and engaged with the predetermined recess formed to match the width and depth of the predetermined recess formed with the opposite side surface, that is, the inner wall bottom surface in the circumferential direction, the front and rear opposite side surfaces in the circumferential direction, and the radial direction means a moiety of bayonet engagement in the predetermined recess having a predetermined length of a predetermined width and radial axial capable Teigizukeru with depth.) is engaged bayonet engagement, and window-like through-hole of the lock handle 40, an end piece U-shaped locking piece 51 fitted to 40, and the locking piece 51 for supporting the lock handle 21. A fixing tool (male screw) that is inserted into the fixing tool through hole 52 formed in the outer end portion 51 b of the locking piece so as to be fixed to the portion 42 and is screwed into the female screw 43 of the support portion 42. 53. It should be noted that the width of the predetermined recess is the predetermined width in the axial direction of the cylinder-lock 31 and the depth of the predetermined recess is the predetermined length in the radial direction of the cylinder-lock 31. Say.
[0026]
Accordingly, the horizontal width of the fingertip-shaped insertion tip 51a of the locking piece 51 (the predetermined width in the axial direction of the cylinder-lock 31 corresponding to or conforming to the width of the predetermined recess) is the same as that of the fingertip-shaped insertion tip. The vertical width is substantially the same as the vertical width ( the predetermined length in the radial direction of the cylinder-lock 31 corresponding to or matching the bottom or depth of the inner wall in the circumferential direction of the predetermined recess) . Further, the distal end surface of the fingertip-shaped insertion distal end portion 51 a of the locking piece 51 is formed in a slightly arc shape so as to come into surface contact with the inner wall bottom surface of the recessed engagement groove 33 of the cylinder-lock 31.
[0027]
In the above configuration, the case where the locking piece 51 is locked in the recessed engagement groove 33 of the cylinder-lock 31 will be described first. First, the insertion tips 51 a and 51 a of the locking piece 51 are inserted into the window-like through hole 40 of the lock handle 21. In this case, the locking piece 51 is not yet fixed to the support portion 42 of the lock handle 21. Next, the fixing tool (male screw) 53 is inserted into the fixing tool through hole 52 of the outer end portion 51b of the locking piece 51, and a female screw 43 of the support portion 42 of the lock handle 21 or the cylinder-lock 31 is used by using a screwdriver. Screw into the female screw. Then, the locking piece 51 is fixed to the lock handle 21, and as a result, the cylinder lock 31 cannot be easily pulled out from the lock handle 21.
[0028]
Next, the relationship between the lock housing 11, the lock handle 21, and the cylinder-lock shape 31 of the lock device X will be described. When the lock handle 21 is fitted into the fitting hole 16 of the lock housing 11 and the cylinder lock 31 stored in the fitting hole 24 of the lock handle 21 is in the locked state, the latch 27 is a compression spring. It protrudes from the housing engaging hole 18 of the lock housing 11 by the spring force of 29. In this case, the spring member 30 that urges the lock handle 21 is contracted.
[0029]
Therefore, when the key 36 is inserted into the key hole of the cylinder lock 31 and the driving body 34 is rotated to perform the unlocking operation, the rotating rod 26 is rotated by the driving body 34, and the latch 27 resists the spring force of the compression spring 29. Then, it moves in the direction of releasing the engagement, passes over the housing engaging hole 18 of the lock housing 11 and enters the latch engaging hole. Then, the lock handle 21 is pushed outward by the spring force of the spring member 30, and the required amount jumps out of the lock housing 11 as shown in FIG. In this case, the latch 27 attached to the insertion barrel 22 of the lock handle 21 also moves together in the axial direction while sliding on the inner wall of the cylindrical projection 14 of the lock housing.
[0030]
Next, even when the lock handle 21 jumps out of the lock housing 11, the cylinder lock 31 is stored in the lock handle 21 as it is because it is fixed to the lock handle 21 by the fixing means 50.
[0031]
Therefore, when the cylinder lock 31 is removed from the lock handle 21, the fixing tool 53 is loosened, and the engagement between the insertion tip portions 51 a and 51 a of the locking piece 51 and the recessed engagement groove 33 of the cylinder lock 31 is released. . Then, the cylinder lock 31 can be pulled out from the lock handle 21.
[0032]
【Example】
In this section, some modifications of the main part of the first embodiment will be described with reference to FIGS. In the description of these modified examples, parts having the same configuration as in the first embodiment are denoted by the same or similar reference numerals, and redundant description is omitted.
[0033]
First, a modification of the main part shown in FIG. 9 (referred to as the second embodiment for convenience) is different from the first embodiment in that a plurality (two) of fixing prevention means 50A for preventing removal are used.
[0034]
Thus, a pair of window-like through holes 40A, 40A are formed on the left and right of the lock handle 21A of the second embodiment, and female screws 43A, 43A are provided in these through holes 40A, 40A. The support portions 42A and 42A are horizontally mounted to form insertion spaces 41a and 41b.
[0035]
Accordingly, two locking pieces 51A, 51A constituting the securing means 50A for preventing removal are also used, and these locking pieces 51A are respectively inserted into the left and right window-like through holes 40A, 40A of the lock handle 21, respectively. It is fixed to the lock handle 21A via fixing members 53A and 53A that are screwed into the female screw 43A to the support portion 42A.
[0036]
When a plurality of locking prevention means 50A are used in this way, it becomes even more difficult to pull out the cylinder lock 31A from the lock handle 21A.
[0037]
Next, a modification of the main part shown in FIGS. 10 and 11 (referred to as the third embodiment for convenience) is the width of the recessed engagement groove 33B of the cylinder lock 31B ( similar to the first embodiment ). The point formed wide and the horizontal width in the horizontal direction of the fingertip-shaped insertion tips 51a, 51a of the locking piece 51B of the fixing means 50B for preventing removal is larger (wider) than the vertical width in the vertical direction of the insertion tip. Is different from the first embodiment. Even if comprised in this way, the effect similar to 1st Example can be acquired. Note that the concept of the predetermined recesses and the fingertip-shaped insertion tips 51a and 51a that are inserted into and engaged with the predetermined recesses is the same as in the first embodiment .
[0038]
Next, a modification of the main portion shown in FIGS. 12 and 13 (referred to as the fourth embodiment for convenience) is that the insertion space 41a of the through hole 40C formed by the support portion 42C of the lock handle 21C is one. The locking piece 51C of the fixing means 50C for preventing slipping is formed in an end face or an L-shaped cross section. In the case of this fourth embodiment, the effect is inferior to that of the first embodiment in that one fingertip-shaped insertion tip 51a of the locking piece 51C engages with the recessed engagement groove 33C of the cylinder lock 31C. The object of the present invention can be achieved once. Note that the concept of the predetermined recesses and the fingertip-shaped insertion tips 51a and 51a that are inserted into and engaged with the predetermined recesses is the same as in the first embodiment .
[0039]
Finally, in a modification of the main part shown in FIGS. 14 and 15 (referred to as the fifth embodiment for convenience), a support part is formed in the through hole 40D of the lock handle 21D, and is formed on the outer cylinder 32D of the cylinder-lock 31D. A single female screw 43D is formed in the recessed engaging groove 33D, and a locking piece 51B to be fitted into the through hole 40D is formed in a plate shape or a block shape. The locking piece 51B is a lock handle. It is different from the first embodiment in that it is fixed to the cylinder lock 31D via a fixing tool 53D screwed to the female screw 43D, not to 21D. Even if comprised in this way, the subject of this invention can be achieved. The concept of the predetermined recesses and the plate-like insertion tip portions 51a and 51a that are inserted into and engaged with the predetermined recesses is substantially the same as that of the first embodiment .
[0040]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
(1) Even if the thief tries to forcibly pull out the cylinder-lock from the lock handle, the insertion tip of the locking piece constituting the cylinder-lock removal preventing fixing means is not easily scraped or deformed.
(2) Since the subject of the invention can be achieved simply by engaging the insertion tip of the locking piece with the recess-like engagement groove of the cylinder lock, the insertion tip of the locking piece is not manufactured with high accuracy. Good.
[Brief description of the drawings]
1 to 8 show a first embodiment of the present invention. 9 to 15 show modifications of the main part of the first embodiment. 16 and 17 are explanatory diagrams showing an example of the prior art.
FIG. 1 is an exploded perspective view of the whole.
FIG. 2 is a perspective view showing the relationship among a lock handle, a cylinder lock, and a fixing means for preventing removal.
FIG. 3 is a perspective view of a cylinder lock.
4 is a cross-sectional view taken along line 4-4 of FIG.
FIG. 5 is an explanatory view showing a state in which the lock handle has protruded from the lock housing by a predetermined amount.
FIG. 6 is an explanatory view of a longitudinal section of a main part of the lock handle.
FIG. 7 is an explanatory diagram showing the relationship between a lock handle, a cylinder lock, and a locking means for preventing removal (the lock handle is indicated by a virtual line).
8 is a schematic cross-sectional explanatory diagram based on line 8-8 in FIG.
FIG. 9 is a schematic cross-sectional explanatory view showing a modified example (second example) of the main part.
FIG. 10 is a perspective view showing a modified example (locking piece of the third embodiment) of the main part.
FIG. 11 is a perspective view showing a modification of the main part (the relationship between the cylinder lock and the locking piece of the third embodiment).
FIG. 12 is a perspective view showing a modification of the main part (the locking piece of the fourth embodiment).
FIG. 13 is a schematic explanatory view showing a modification of the main part (relationship with the lock handle, cylinder lock, and locking piece of the fourth embodiment).
FIG. 14 is a perspective view showing a modified example (fifth embodiment) of the main part.
FIG. 15 is a schematic explanatory view showing a modification of the main part (relationship with the lock handle, cylinder lock, and locking piece of the fifth embodiment).
FIG. 16 is an explanatory diagram showing a conventional example.
FIG. 17 is an explanatory view showing a defect of the embodiment in FIG. 16;
[Explanation of symbols]
X: Locking device, 10: Door, 11: Lock housing, 21, 21A, 21C, 21D ... Lock handle, 22 ... Insert barrel, 23 ... Handle portion, 25 ... Cylindrical portion, 26 ... Rotating rod, 27 ... Latch, 30 ... Spring member, 31, 31A, 31B, 31C, 31D ... Cylinder lock, 32, 32D ... Outer cylinder, 33, 33B, 33C, 33D ... Engagement groove, 40, 40A, 40C, 40D ... Through hole, 42, 42A, 42C ... support portion, 43A, 43D ... female thread, 50, 50A, 50B, 50C ... fixing means for preventing removal, 51, 51A, 51B, 51C, 51D ... locking piece, 51a ... insertion tip, 51b ... Outer end part, 52 ... Through hole for fixing tool, 53, 53A, 53D ... Fixing tool.

Claims

A lock housing, a lock handle stored in the lock housing so that the surface of the handle is the same as the surface of the lock housing, and fixedly stored in the lock handle via a fixing means for preventing removal. In addition, in the fixing structure of the lock handle and the cylinder-lock including a cylinder-lock having a flat surface and an arc-shaped outer peripheral wall portion on the outer peripheral wall of the outer cylinder, the fixing means for preventing slipping is the arc-shaped A recess-shaped engagement groove formed in the outer peripheral wall along the circumferential direction, and a width of a predetermined recess formed by the inner wall bottom surface and the front-rear facing side surface of the recess-shaped engagement groove (cylinder-lock shaft) Direction tip ) and a fingertip-shaped insertion tip formed to fit the depth (cylinder-predetermined length in the radial direction of the lock) are inserted and engaged, and fitted into the through-hole formed in the lock handle End-shaped U-shaped locking piece, and the locking piece so that the locking piece can be fixed to the lock handle While being inserted into fastener through-hole formed in the outer end portion, the lock handle and the cylinder lock device comprising a fastener to be screwed into the internal thread of the support portion of the lock handle - fixing structure and tablets.

A lock housing, a lock handle stored in the lock housing so that the surface of the handle is the same as the surface of the lock housing, and fixedly stored in the lock handle via a fixing means for preventing removal. In addition, in the door locking device comprising a cylinder-lock having a flat surface and an arcuate outer peripheral wall portion on the outer peripheral wall of the outer tube, the fixing means for preventing removal is provided along the circumferential direction of the arcuate outer peripheral wall portion. The width (the predetermined width in the axial direction of the cylinder-lock) and the depth of the predetermined recess formed by the formed recess-shaped engagement groove and the inner wall bottom surface and the front-rear facing side surface of the recess-shaped engagement groove Cylinder-a predetermined length in the radial direction of the lock) A fingertip-shaped insertion tip is inserted and engaged, and an L-shaped end face engaging with a through-hole formed in the lock handle And a fixing tool penetrating hole formed on the outer end of the locking piece so that the locking piece can be fixed to the lock handle. While being inserted into the hole, the lock handle and the cylinder lock device comprising a fastener to be screwed into the internal thread of the support portion of the lock handle - fixing structure and tablets.

A lock housing, a lock handle stored in the lock housing so that the surface of the handle is the same as the surface of the lock housing, and fixedly stored in the lock handle via a fixing means for preventing removal. In addition, in the door locking device comprising a cylinder-lock having a flat surface and an arcuate outer peripheral wall portion on the outer peripheral wall of the outer tube, the fixing means for preventing removal is provided along the circumferential direction of the arcuate outer peripheral wall portion. The width (the predetermined width in the axial direction of the cylinder-lock) and the depth of the predetermined recess formed by the formed recess-shaped engagement groove and the inner wall bottom surface and the front-rear facing side surface of the recess-shaped engagement groove A plate-like locking piece that is inserted into and engaged with a through-hole formed in the lock handle, and a plate-like insertion tip formed so as to fit the cylinder-predetermined length in the radial direction of the lock; and This locking piece is inserted into the through hole for the fastener formed in the locking piece so that it can be fixed to the cylinder lock. Rutotomoni cylinder - lock the lock handle and the cylinder lock device comprising a fastener to be screwed into the internal thread formed in the recess of the outer tube - fixing structure and tablets.