JP2004027491A

JP2004027491A - Double floor structure and method of constructing the double floor

Info

Publication number: JP2004027491A
Application number: JP2002180834A
Authority: JP
Inventors: Motoo Ara; 荒　礎夫; Minoru Kanesaka; 金坂　稔; Sei Nakamura; 中村　聖
Original assignee: Kyodo Ky Tec Corp
Current assignee: Kyodo Ky Tec Corp
Priority date: 2002-06-21
Filing date: 2002-06-21
Publication date: 2004-01-29

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a panel from being laid down in an erroneous direction by keeping a panel in the same laying down direction as an original laying down direction when the panel of a double floor structure is removed or replaced according to the movement or extension of the panel, particularly, by solving such problems with the creep phenomena of a support leg-integrated panel, support leg-separated panel, and a floor slab. <P>SOLUTION: In the engagement of a panel corner part with a support leg upper surface part, at least a part of the panel corner part is formed in an engagement structure different from the other corner parts, and the upper structure, thickness, and the formation of a pedestal of the support leg are changed to facilitate the fitting or the engagement of the panel. The laying down direction of each panel is commonly set in a specified direction, and a panel laying down operation can be easily, rapidly, and surely performed. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、二重床構造、特に、ＯＡフロア用の床パネルを支持する支持脚とパネルとの係合構造及びその二重床構造の施工方法に関する。
【０００２】
【従来の技術】
ＯＡフロア用のフリーアクセスフロア技術分野において、電算機室ＯＡ機器対応用として支持脚型パネルが古くから知られ、現在に至るまで多種多様な構成のものが広く用いられている。
特に、建物の既設の床スラブが、不陸（凹凸部）を有するのが頻繁であるが故に支持脚の高さを自在に調整可能とし、パネル敷設時に高さを調整しながらＯＡフロアの施工が行われている。この種の支持脚の高さ調整機構を有する二重床パネルには、主に支持脚の支柱一体型（パネルと支持脚とが一体的に固着された構造）、支柱分離型（パネルと支持脚とが別体で分離可能な構造）に大別されている。
従来においては、この様な支持脚型二重床パネル、例えば支柱分離型において、独立支柱タイプの高さ調整式では、ＯＡフロアを敷設施工後に、不陸調整により高さ調整された多数のパネルを、オフィスレイアウトの変更や配線器具の設置、配線移増設等の変更に伴い支持脚を取り外したり取り付け直す必要性を生じている。
【０００３】
又、パネル敷設の対象となる建造物の構造によっては、その床スラブ全体が長期の経時変化によりたわみ（クリープ現象）を生じ易い。
その様な状況の床スラブ上に二重床パネルを設置した場合には、支持脚（支柱）の高さ調整によってパネル面を一様に平坦化させる作業が、現場施工の必要上広く行われている。
逆に、二重床パネルを設置した敷設後においても、上述のクリープ現象、或いは上部に載置した什器や備品移動等によって、パネルが反ったり、撓んでしまったりすることがある。更には、長期の経時変化（例えば、上部載荷による重量負担等）で不陸に馴染んだ状態のままパネル自体が変形してしまう場合もある。
この様な状況において、コンセント器具の移増設、取り替えやレイアウト変更等の何らかの理由でパネルを取り外した時、二重床内の移増設、取り替え後そのパネルを元に戻す施工作業で、誤って元のパネルの敷設方向と異なった敷設方向でパネルを敷設してしまう場合がしばしば起こり得る。このような事態の生ずる原因としては、同一個所のパネル敷設作業に複数の異なった施工業者が時間的にバラバラに関与すること等が挙げられる。
【０００４】
この際、パネルの元の敷設方向が、床面の不陸に対して平坦性を有し、ガタツキ等が生じない様に調整された、いわゆるなじんだ状態であったものを変えてしまうことになる。この様にしてパネルの敷設方向を、元の敷設方向と異なった方向で敷設してしまうと、二重床構造（支持脚上に設置されたパネル）のガタ、段差などが生じることが多々あり、あらためて支持脚の高さ調整をやり直す必要が生じることとなる。
この場合の高さ調整は、パネル１枚に対し少なくとも支持脚４本のうち１本を調整する必要が生じる。当然、段差や不陸の状態によっては、隣接するパネル数枚分の支持脚の高さ調整もせざるを得ない場合も有り得ることとなる。最悪の場合、外したパネル全てを再調整しなければならない状況もありうる。そのような場合は、結局、施工作業の大幅な時間延長等により余分な手間とコストを要することとなる。
すなわち、この種の二重床ＯＡフロアでは、コンセント器具の移増設、取り替えやレイアウト変更等に自在に対応可能であるが故に、かえって、施工作業が大掛かりとなる。こうなると、もはやユーザーが、パネル取替えの施工作業を簡単に行えるものではなくなってしまい、専門の施工業者が必要となる結果、余分な施工時間やコストを要するという問題を有する。
【０００５】
勿論、例えばレイアウト変更等で生じる配線の移・増設等でユーザーが施工作業を行う際には、取り外したパネルの敷設方向を間違えずに元の向きに収めることができる様に注意するなどして、この様な事態を回避する様に対応することが必要となり、実際にも可能な範囲で注意は払われてきた。
ところが、この様な二重床パネルの施工作業において、ユーザーが全ての施工作業を行うには限界があり、結局、施工費用がかかっても専門業者に依頼するか、或いは、ガタついてしまう状態のままで施工されてしまう事態が生じていた。
【０００６】
この様な事態に対処し、その不具合を解消すべく、以下のようなＯＡフロアが公知技術として既に知られている。
▲１▼　支持脚の形態を変えて敷設方向を特定可能にする支持脚一体型二重床パネル構造（特開平６−１０４９０、実開平６−４７４７９、実開平５−１９４２７、実開平４−１２５３３０、実開昭６４−３６４４７等）。
▲２▼　パネルの形態を変えて敷設方向を特定する二重床構造（実開平１−９８８４４、実開昭５３−１０９３２０等）。
▲３▼　パネル表面に施工方向が識別できる様な表示が付されている支持脚一体型二重床パネル構造（実開平６−６３７２６（登録番号第２５９２４８４号）。
【０００７】
【発明が解決しようとする課題】
しかしながら、これら改良型の床パネルにおいても、以下の様な種々の限界があり、なお問題点として残っていた。
問題点１：
上記▲１▼の公知技術では、支持脚を少なくとも２種類用意する必要があり、材料を余分に要する結果製造コストが余分にかかり別のコストアップの一因になっていた。更には、各支持脚を設置するに際し、支持脚に共通の方向性を要するため施工に手間と時間がかかった。
【０００８】
問題点２：
又、この種の支持脚一体型パネルの場合には、高さ調整する機構を、構造上の理由で１つしか持たないから、高さ調整ができない他の３つの一体型支持脚が、床スラブの不陸（凹凸部）に乗り上げてしまった場合には、高さ調整可能な１本の支持脚だけの高さ調整しかできず、これでは、パネル面を確実に平坦化させることができなかった。
即ち、１つの支持脚による高さ調整では、不陸の調整可能範囲に限界があった。例えば、不陸調整は出来ても隣接するパネル同士に段差が生じてしまい一様に平坦化できない等の不具合が残り、課題の解決は必ずしも充分とは言い難かった。
【０００９】
問題点３：
一方、上記▲２▼の公知技術では、パネルの形態を変えて敷設する構成（異形パネル）では、パネルの構造が複雑になり、その異形パネル形状によって、床構成部材としての強度面の信頼性を保持し、製造上のコストアップを防止し、パネルの梱包、移動・搬送等を達成することが、円滑に行なえない等の欠点を有していた。
【００１０】
問題点４：
更に、上記▲３▼の公知技術では、パネル表面に施工（敷設）方向が識別できる表示が付されているから、一見、単純にこの種の問題点を解決できる様に思われるが必ずしもそうとは限らない。例えば、最初のパネル施工時に、施工専門業者がパネルの施工方向を識別表示にしたがって確実に施工できたとしても、後の電気配線業者等が、配線器具や配線敷設工事の際に、パネルを脱着する時その識別表示のみでは確実にパネルの敷設方向を合わせる様には敷設しない事態が生じかねない。
【００１１】
これはパネル施工業者の問題ではなく、電気工事・配線業者の問題であるがこれらの識別表示は、必ずしも施工業者やユーザーの誰にも容易に理解し易いものとは限らない。すなわち、識別表示を十分に認識できなければ、識別表示を誤って、パネルを敷設してしまうこととなる。この様な場合、誤った敷設方向のままでパネルを敷設してしまう結果を招く。
【００１２】
つまり、上記▲３▼の公知技術での手段は、誤った敷設方向でもパネルを何ら支障なく敷設できてしまう点に問題があり、作業時間に追われる等で施工者が気付かなければそのままとなってしまう。
また、この施工方法、構造では、パネル表面に簡単、且つ確実に識別表示を付す構造としなければならない。しかも、パネル表面に凹凸がなく平坦性を損なわず、仕上材としてのタイルカーペット等の敷設（粘着材の接着性）に悪影響を及ぼさず、また、容易に剥がれたり、消えたりしないような構造にしなければならない。更に、これによって、パネルのコストアップになってはならない等の種々の制約があり、これらの問題点を全て解消することは容易では無くむしろ困難であった。
【００１３】
この種の従来技術▲１▼▲３▼は、いずれもパネルの敷設方向の特定を考慮し得る構造技術である。
言いかえれば、パネルの敷設方向を誤ってしまった場合でも、施工者自身が気付かない恐れがあり、そのまま結果としてパネルの敷設方向を正しく設定し直すという作業がされないままでパネルの敷設を完了するという大きな問題点が未解決であった。
【００１４】
発明の目的
本発明は、上記諸課題の解決のために成されたものであり、その目的は、二重床パネル敷設後において、一旦、取り外したパネルを元の敷設状態の位置に戻す施工作業が、簡単、且つ確実にでき、しかも、パネル及び支持脚も簡単な構成であって、低コストで製造できる二重床構造及びその施工方法を提供することにある。
【００１５】
【課題を解決するための手段】
本発明に係る二重床構造は、第１の発明は、所定間隔をあけて床面Ｆに立設され、上面部（１０ａ）を有する複数の支持脚（１０）と前記支持脚間であって該支持脚（１０）に架設され前記上面部（１０ａ）に敷設される複数のパネル部材（２０）と、を有し、敷設後のパネル部材（２０）離脱時に前記支持脚（１０）が、前記床面側に残る支持脚分離型の二重床構造において、
前記支持脚（１０）の上面部（１０ａ）と前記パネル部材（２０）の裏面隅部（２０ａ）とは、前記パネル部材（２０）の敷設方向が特定される様に、該上面部（１０ａ）で集合される多数のパネル部材隅部（２０ａ）の係合が異なる係合構造（３０）で構成されたことを特徴とする。
また、前記係合構造（３０）は、前記支持脚（１０）の上面部（１０ａ）と前記パネル隅部（２０）とが略凹凸形状で係合する係合部（３０）を形成して成ることを特徴とする。
更に、前記係合構造（３０）は、前記支持脚上面部（１０ａ）と該上面部に集合される各パネル部材の隅部（２０ａ）とが、夫々異なる形態、異なる大きさ、異なる位置関係の少なくともいずれかにより係合されてなることを特徴とする。
【００１６】
そして、第２の発明は、床面Ｆに設置される基台（５）上に、所定の高さ調整機構（４０）を有する複数の支持脚（１０）を所定間隔をあけて立設し、各支持脚上方には、敷設される所定のパネル隅部（２０ａ）を係合設置する支持脚係合部を有する支持脚ユニット（１）と、床面上の所定位置に複数設置された支持脚ユニット（１）相互間であって、該各支持脚係合部により四隅部（２０ａ）が係合支持されるパネル係合部を有するパネル部材（２０）と、を有し、前記支持脚ユニット（１）は、前記各支持脚係合部と前記パネル係合部とにより前記複数のパネル隅部を夫々集合させて係合し、前記複数のパネル部材（２０）を前記支持脚上に支持して構成された二重床構造において、
前記各支持脚係合部は、その少なくとも１つの係合部（１０ｃ）が、他の係合部（１０ｂ）と異なる係合構造で形成され、
前記パネル係合部は、その四隅部（２０ａ）が前記１つの係合部（１０ｃ）と前記他の係合部（１０ｂ）に夫々対応する様に異なる係合構造の係合部（２０ｃ、２０ｂ）で形成され、前記異なる形態の支持脚係合部と、その対応する前記異なる形態のパネル係合部との係合によって、前記パネル部材の敷設方向が特定される様に構成されたことを特徴とする。
【００１７】
本発明に係る二重床構造の施工方法は、第３の発明として、所定の上面部（１０ａ）を有する支持脚（１０）を、所定間隔をあけて複数個、床面Ｆに立設するステップ（１）と、前記立設された支持脚（１０）間に架設され該支持脚（１０）の上面部（１０ａ）に載置されるパネル部材（２０）を、平面状の床面を形成する様に複数配設するステップ（２）と、前記支持脚（１０）の立設時、又はパネル部材（２０）の配設時に、前記床面（１）から上面部までの支持脚（１０）の高さを所定の高さ調整部材（４０）により調整可能とするステップ（３）と、前記高さ調整部材（４０）により前記支持脚（１０）の高さ調整がなされ、前記パネル部材（２０）が配設された後であって、該パネル部材（２０）が、該支持脚上面部（１０ａ）から離脱されても、該パネル部材（２０）の四隅（２０ａ）と該支持脚（１０）の上面部（１０ａ）との係合構造（３０）によって、前記離脱前の元の支持脚上面（１０ａ）位置に、元のパネル部材（２０）の隅部（２０ａ）（所定の敷設方向）が係合設置可能となるステップ（４）と、を有することを特徴とする。
また、前記ステップ（４）は、前記係合構造（３０）により、前記パネル部材（２０）が前記支持脚上面部（１０ａ）から離脱された後、該パネル部材（２０）を再設置する際、前記離脱前の元の支持脚上面部（１０ａ）位置でなく、パネル部材（２０）が係合設置できない場合は、前記パネル部材（２０）の敷設方向が一定となる様に該パネル部材（２０）を回転させ、その隅部（２０ａ）を適合する元の設置位置に合わせることを特徴とする。
更に、前記ステップ（１）は、前記複数の支持脚（１０）を、床面Ｆに立設する際には、全て共通する特定の方向へ向きを合せて行い、前記ステップ（２）は、前記複数のパネル部材（２０）を、前記立設された支持脚（１０）間に架設し該支持脚（１０）の上面部（１０ａ）に載置する際、前記ステップ（１）にて前記特定した方向に対応した向きで配設する様に行い、前記複数の支持脚（１０）と前記複数のパネル部材（２０）との設置方向を一致させるようにしたことを特徴とする。
【００１８】
【作用】
本発明に係る二重床構造は、パネル隅部と支持脚上面部との係合において、該パネルの少なくとも１つの隅部が他の隅部と異なる係合構造とした。これによりパネルの敷設方向が、所定の一方向に共通して特定され、その一方向のみしかパネルが支持脚上に設置できない構造とした。
また、その施工方法は、パネルの着脱に際して、パネルの敷設方向を誤ってしまった時に、支持脚上面へのパネルの敷設が構造的に不可能となる。
その結果、敷設施工者自身が気付いて、パネルの敷設方向を設定し直すという作業が自然に行え、いずれのパネルも敷設方向の特定が簡単、且つ確実にできることと成る。
【００１９】
【実施例】
本発明の好適な具体的実施例を、以下、図面を用いて詳細に説明する。
発明の主旨。
本発明に係る第１の特徴的事項としては、支持脚１０の上面部１０ａと、パネル隅部２０ａの裏面とは、パネル２０の敷設方向が特定される様に、前記パネル２０の四隅部分において異なる係合構造３０（３０ａ、３０ｂ）で構成されたことにある。
そして、この係合構造は、前記支持脚１０の上面部１０ａと、パネル隅部２０ａとで係合する略凹凸形状で係合する係合部３０（３０ａ、３０ｂ）を形成する事を特徴としている。
また、この係合部３０は、異なる形態や大きさ、異なる位置関係に対応して係合する事を特徴とする。
更に、これらの係合構造は、支持脚１０の上面部１０ａと、パネル裏面隅部２０ａとの係合部分を、１ヶ所のみ、２ヶ所、或いは４箇所全てを変えることにより形成する事を特徴とする。
【００２０】
次に、本発明に係る第２の特徴的事項は、支持脚ユニット１の立設時又はパネル部材２０の配設時に、支持脚１０の高さを所定の高さ調整部材４０による調整後であって、パネル部材２０の設置後、該パネル部材２０が支持脚１０の上面部１０ａから離脱されても、再度の着脱における該パネル部材２０の四隅と該支持脚１０の上面部１０ａとの係合によって、前記離脱前の元の支持脚上面部１０ａの敷設方向位置に係合設置可能としたことである。
【００２１】
実施例の具体的説明。
前述した先行技術▲１▼▲２▼▲３▼においては、パネル２０を持ち上げた時に支持体がパネル側に付いている支持脚一体型パネルであった。
しかし、本実施例において採用する二重床構造は、図４のパネル２０を支柱、或いは支持脚１０で支持し配線空間を形成する二重床構造である。特に、パネル２０を持ち上げた時に上記支柱或いは支持脚１０等の支持体（支持脚ユニット１）が、その建物の床スラブ側に残る支持脚分離型パネルである。
【００２２】
構造の説明。
以下、図面に基づいて、本発明の実施例を詳細に説明する。
図１は、本発明に係る第１実施例の主要構成を示す支持脚ユニット１とパネル部材２０を一部拡大した斜視図である。
図２は、図１に示す床面に立設された４つの支持脚ユニット１に１枚のパネル部材２０が設置された状態を示す平面図である。
図２Ａ、図２Ｂ、図２Ｃは、図１における支持脚ユニット１の上面部１０ａの他の実施例を示すものであり、支持脚のパネル係合部分の構造、形態が異なる構成を示したそれぞれの平面図である。
【００２３】
図３は、支持脚ユニット１が、図１と異なる第２の実施例の主要構成を示す支持脚ユニット１とパネル部材２０の一部を拡大した斜視図である。これらの例は、支持脚ユニット上面部１０ｂ、１０ｃの大きさが、支持脚によって異なる場合の例を示したものである。
図４は、図３の側面断面図であり、支持脚ユニット１とパネル部材２０との係合状態を示した図である。
【００２４】
図５は、図３に示した支持脚ユニット１の他の実施例を示した支持脚ユニット１の斜視図である。
図５Ａ、図５Ｂは、図５の異なった太さを有する支持脚部分それぞれの側面部分縦断面図であり支持脚１０に上面部１０ａがねじ込まれた状態を示した状態図である。
図６は、図３、図５に示す支持脚ユニット１、パネル部材２０を適用し二重床を構成した場合の平面図であり、２枚のパネル部材２０を支持脚ユニット１から離脱させた状態を示した状態図である。
図７、図７Ａ、図７Ｂ、図７Ｃ、図７Ｄは、図１に示した支持脚ユニット１の上面部１０ａを変えた係合構造の他の例であり、それぞれ２０個の支持脚ユニットに１２枚のパネル部材２０を係合設置した状態を示した平面図（図７）、支持脚ユニット１の側面縦断面図（図７Ａ），及びその上面部１０ａの平面図（図７Ｂ）、パネル部材２０の平面図（図７Ｃ）及びその側面図（図７Ｄ）である。
【００２５】
図８、図８Ａ、図８Ｂ、図８Ｃは、図７と異なる上面部１０ａの構造を備えた支持脚ユニット１の他の例であり、それぞれ、９つの支持脚ユニット１に４枚のパネル部材２０を係合設置した状態を示した平面図（図８）、支持脚ユニット１の断面図（図８Ａ）、及びその上面部１０ａの平面図（図８Ｂ）、パネル部材２０の平面図及びその側面図、一部Ａ−Ａ断面図（図８Ｃ）である。
【００２６】
図９、図９Ａ、図９Ｂ、図９Ｃは、図７、図８と異なる上面部の構造を備えた支持脚の他の例であり、それぞれ、９つの支持脚ユニット１に４枚のパネル部材２０を係合設置した状態を示した平面図（図９）、支持脚ユニット１の断面図（図９Ａ）及びその上面部１０ａの平面図（図９Ｂ）、パネル部材２０の平面図及びその側面図（図９Ｃ）である。
図１０〜図１４は、本実施例に係る支持脚ユニット１及びパネル部材２０を設置する施工の態様を示した例であり、前記図９の支持脚ユニット１及びパネル部材２０を用いて施工方法を説明した説明図である。
それぞれの図について言えば、図１０は、床面Ｆに支持脚ユニット１を設置するための墨出し状態を示した平面図、図１１は、複数の支持脚ユニット１の設置方法を示す平面図及び上面部の一部拡大平面図、図１２は、支持脚ユニット１の高さ調整方法を説明する一部断面を示した側面図、図１３は、支持脚ユニット１上にパネル部材２０を設置した状態を示した平面図、図１４は、支持脚ユニット１上のパネル部材Ｐの４枚（Ｐ_０）を離脱させた状態を示す既略平面図である。
【００２７】
第１実施例の説明
次に、以下、本発明の好適な実施例を上記の各図を用いて順次、詳細に説明する。
図１において、この支持脚分離型二重床構造は、パネル四隅部２０ａに係合部３０ａが形成されたパネル２０と、そのパネル２０の係合部３０ａに対応した異なる係合部３０ｂを有する支持脚ユニット１とからなり、この支持脚ユニット１は、更に、係合部３０ｂを有する台座部１１及び受け部１２とから構成された上面部１０ａと、それにねじ込み可能に設けたボルト脚である支持脚１０と、床面Ｆに固定される基台５とからなる。
そして、この支持脚分離型パネルの二重床構造は、支持脚ユニット１の上面部１０ａは、台座部１１上の受け部１２が、パネル隅部２０ａを支持する係合（嵌合）構造となっており、かつ、その支持脚ユニット１は、ナット部材を形成する上面部１０ａと、そのナット部材にねじ込み可能とするボルト脚でなる支持脚１０とのねじ込みによって、床面のパネルの高さ調整が可能となる高さ調整機構４０を有している。
【００２８】
即ち、図１に示すこの支持脚ユニット１は、パネル２０の４隅部２０ａに形成された４つの係合部分に、それぞれ対応する様に、係合可能となる４つの係合部分として受け部１２を形成した上面部１０ａを有する。
この上面部１０ａは、集合する４つの異なったパネル隅部２０ａ裏面を、１つの支持脚で受け、その上面で４つの集合する各隅部２０ａをそれぞれ係合、支持する構成となっており、立設された支持脚としてのボルト脚上端部分にナット部としてねじ込みにより設置されている。
このボルト脚上端部分には、床の高さ調整機構４０として、例えば＋（プラス）又は−（マイナス）ドライバーなどの所定の工具で回転操作によりボルト脚頭部を回動可能とし、前記パネル２０を受けている上面部１０ａを上下動させることによって二重床高を自在に調整可能とするものである。
【００２９】
ここで、図１に示す様に、支持脚１０の上面部１０ａと、パネル２０の隅部２０ａとの係合構造３０は、略凹凸形状で嵌合する１つの構成、窪み構造３０ａと突起構造３０ｂによる嵌合構造と、その様に嵌合することなく単にパネル隅部２０ａを平面で受ける３つの構成、パネル隅部２０ａと受け部１２による嵌合構造と、で行われいずれも異なる前記係合部分の構造を採用している。
これは、図１で示す様に、例えば、台座部１１上に略十字状リブを立設形成し４つのパネル隅部２０ａをそれぞれ受ける様に４分割された受け部１２を形成して上面部１０ａを構成することにより可能としている。
【００３０】
図２は、パネル１枚を４つの支持脚ユニット１で支持した状態を示している。図示の様に、パネル隅部２０ａと支持脚上面部１０ａとの係合はパネル４隅部の１ヶ所の略凹部３０ａと、該上面部１０ａの略４分割されたうちの１つの受け部１２に形成された該凹部３０ａに対応する略凸部３０ｂと、の両者の嵌め合いによって構成され、パネル４隅部の他の３ヶ所は、該上面部１０ａの略４分割されたうち他の３つの受け部１２との両者の嵌め合いにより構成される。
図１、２は、１ヶ所のみの係合構造３０（３０ａ、３０ｂ）を変えた例である。したがって、この両者の前記略凹部３０ａと前記略凸部３０ｂとの係合がされない状態で、パネル２０が設置されようとすると、即ち、パネル２０の設置位置、嵌め込み状態が間違っている場合、例えばパネル隅部２０ａの平面が、支持脚１０の上面部１０ａの前記略凸部３０ｂの位置に設置された場合には、正しい嵌合が行われずその平面が前記略凸部３０ｂに乗り上げて支持脚上面部１０ａ上でパネル２０の浮き、ガタツキを生じることとなる。
そうすると施工者は、正しくパネル２０が支持脚上に安定設置されていないことに気付き、パネル２０の係合位置関係を修正しようとする。つまり、この例では、パネル２０を配置換えしてパネル隅部２０ａが前記略凹部３０ａの位置で適合する様に設定し直しする作業を自然と行える。
【００３１】
図１では、上面部１０ａ側の前記略凸部３０ｂを円筒状突起構造とし、パネル隅部側の前記略凹部３０ａが、これに対応する円筒状の窪み構造としたが、図２Ａでは平面視略四角柱状突起構造に、図２Ｂでは平面視略三角柱状突起構造に、図２Ｃでは平面視略１／４円柱状突起構造にした例を示したものである。　それらの形状は任意であり基本的な作用効果は図１と同様である。因みに、図２Ａ，図２Ｂ，図２Ｃにおいて、各平面視突起構造の面積が大なるほどパネルは安定し、面積が小なるほど素材の使用量を節減できる。
【００３２】
第１実施例の他の例
（上面部１０ａにおける窪み部と突起部の位置変更例）
次に、図７〜図９は、前述した図１の支持脚上面部１０ａとパネル隅部２０ａとの係合を示す係合構造３０の変形例である。特に、支持脚上面部１０ａの前記略凹部、前記略凸部の嵌合部分の少なくとも１つ以上の位置、大きさや形態を変更した例である。
図７は、上面部１０ａとして台座１１を平面視円形状とし、その上面には４つの円筒状突起３１ｂを設けるが、このうちの、いずれか１つの該円筒状突起３１ｂを異なる配置又は間隔となる様に位置変更して突起部３１ｂ’として配置し、パネル隅部２０ａは、設置時に突起部３１ｂに対応する位置に円筒状の窪み部３１ａを設けたものである。
この両者、円筒状の突起３１ｂ，３１ｂ’と円筒状の窪み部３１ａ、３１ａ’とがパネル設置時に特定の一方向の向きで係合、嵌合する構造になっている。この構成は、他の突起部３１ｂ’及び窪み部３１ａ’位置に対して１つの突起部３１ｂ’だけの位置関係のみを変更し、相互の間隔を異なる様に配置するだけで、全て共通する係合構造が可能であり、これらにより構造の簡単化、製造の容易化を図ることができる。
【００３３】
図８は、図８Ａに示す様に、平面視円形状台座１１の上面部１０ａの上面に、２つの対を成す２種類の異なる係合構造３１ｂ、３２ｂを形成した例である。
これは、まず突起部の１対は、図７と同様、２つの円筒状突起３１ｂを一定の等間隔に、相互に共通する位置関係で配置し、次に他の１対は、ボルト脚の先端領域部分を含んで、平面視略三角形状に形成された三角柱状突起３２ｂを上面部１０ａと一体的に対向配置したものである。対するパネルの四隅部２０ａは、それぞれ対応して、図８Ｃに示す様に、１対の前記三角柱状突起３２ｂが嵌る切欠き部３２ａが設けられる。更に前述したと同様にして、１対の円筒状突起３１ｂが嵌る円筒状の窪み部３１ａが設けられ、パネル２０の四隅について対を成した２種類の異なる係合部で構成されている。
この構成は、２種類の異なる形の係合構造３２ａ、３２ｂ，３１ａ、３１ｂを採用したことにより支持脚の設置、パネル敷設時に、これらの向きを施工者に容易に知らしめることができ、係合構造も比較的簡単であることから容易に製造することができる。
【００３４】
図９は、前記図１、図７、図８と異なる他の例であり、特に、支持脚上面部１０ａには異なる形態の異形状突起３２ｂ、３３ｂ、３４ｂ、及び前記パネル受け部１２とから成る構造を示したものである。例えば、図９に示す様に、突起形状無しの受け部１２、平面視略三角柱状突起３２ｂ、平面視略１／４円柱状突起３４ｂ、平面視略四角柱状突起３３ｂで構成した例を示した。
これに対し、パネル隅部２０ａには、受け部１２及び前記の各突起３２ｂ、３４ｂ、３３ｂに、それぞれ嵌合して対応する４つの異形状切欠き部、パネル隅部２０ａ及び３２ａ、３４ａ、３３ａを構成した係合構造を示す。
前述したこれらの構造によれば、支持脚側上面部１０ａ及びパネルの四隅部２０ａは、それぞれ一体成形等で形成でき、非常に構造が簡単で、設計、製造も容易である。
【００３５】
以上、これら他の実施例では、１つの支持脚で４つの相互に隣接したパネル２０の隅部２０ａをそれぞれ異なる嵌合構造で集合して受ける構造であるが、支持脚１０はパネル上方から工具等により高さ調整可能とする高さ調整機構を有するものとした。
また、パネル２０は、その隅部２０ａの一部分を変えただけで構造を簡単化できるので外形形状は極力変えず、工数を増加する異形形状としない構成を採用し、係合するパネル隅部２０ａの構造も凹部構造とした。
これらの構成は、いずれもこれら実施例に限定するものではなく、本発明の範囲内において要旨を変更しない範囲で種々の変更は可能である。例えば、上記の実施例におけるパネルと支持脚の凸部（突起）と凹部（窪み）を取り替えた形で、即ち凸部を凹部に形成し、凹部を凸部に形成する形で係合機能を構成してもよい。
【００３６】
第２の実施例の説明
更に次には、図３〜図６を用いて、前述した図１とは異なる他の形態、構成からなる支持脚分離型による二重床構造を以下に示す。
これら図示の支持脚ユニット１は、床面Ｆ上に所定の接着剤等を用いて設置される基台５の上に、４つのパネル隅部２０ａを集合して係合支持する様に一定の間隔で立設された床面のパネル高さ調整が可能となる高さ調整機構４０を有する４つの支持脚１０と、その支持脚１０の上端にねじ込んで設けられる高さ調整用ナット１０ｘとパネル受け部１２とから成る上面部１０ｂ、１０ｃとによって構成されている。
尚、パネル部材２０は、前記上面部１０ｃ、１０ｂに対応する様に、それぞれの四隅２０ａには係合孔２０ｃ、２０ｂで係合構造が形成されている。この係合孔２０ｃ、２０ｂは、図示（図３）の様に、パネル２０を貫通した貫通孔となっている。
ここで、前記支持脚１０の上面部１０ｃ、１０ｂと、該上面部１０ｃ、１０ｂで集合される多数のパネル隅部２０ａとは、該パネル隅部２０ａの２種類の異なる係合孔２０ｃ、２０ｂと該上面部１０ｃ、１０ｂとによって係合構造３０が構成されており、該パネル部材２０の敷設方向が特定される。
【００３７】
即ち、これら係合構造３０は、図３、図４に示す様に、支持脚部分は共通しているが支持脚側の上面部１０ｃ、１０ｂが形態はほぼ同じであるものの大小の径寸関係で異なっている。そして更に該上面部１０ｃ（太柱）、１０ｂ（細柱）を形成するナット部の大きさの大小関係を変えたものであり、そのナット部の大きさに対応して形成された集合されるパネル部材四隅の係合孔２０ｃ（太孔）、２０ｂ（細孔）に嵌る構造となっている。
ここで、この支持脚ユニット１は、その支持脚上面部１０ｃ、１０ｂであるそれぞれの高さ調整用ナット部の上面部分には、支持脚１０の高さ調整が可能となる所定の高さ調整用工具１０ｙが挿入可能な工具挿入口１０ｘが設けられている。図３、図４の例では、工具１０ｙは６角レンチ、工具挿入口１０ｘは６角形状の開口となっている。
これにより、パネル部材２０の高さ調整の際には、パネル部材隅部２０ａの上面からこの６角レンチを、ナット部の上面部に形成された６角形状開口１０ｘに差込み、図示矢印の様に、ねじ回しにより回転させてナット部を上下動させ上面部１０ｃ、１０ｂを上下に移動させて調整する（図３を参照）。
【００３８】
第２実施例の他の例
次に、前記図３、図４と異なる他の例を図５、図５Ａ、図５Ｂを用いて説明する。
前述した図３、図４が、支持脚１０の太さを変えずにナット部の上面部分１０ｂ、１０ｃのみの大きさを変え、これに合わせてパネル４隅の係合孔２０ｂ、２０ｃの大きさを係合可能に対応する大きさに変更したものであったが、図５は、支持脚１０、そのものの大きさ、太さを変えたものである。
即ち、図５、図５Ａ、図５Ｂに示す様に、図３とは、支持脚１０及びその上面部構造を異ならしめ、パネル部材２０のそれぞれの四隅２０ａには係合孔２０ｃ、２０ｂで係合部３０が形成され、同じ構成とした係合孔２０ｂ、２０ｃは、パネル２０を貫通した貫通孔となっている。
支持脚１０の高さ調整機構４０としては、図１に示すものと同様に、支持脚１０を、図示しない所定の工具（ドライバー等）で回転させて高さ調整するものとする。
【００３９】
図６は、図３、図４或いは図５に示す床面Ｆに多数敷設した支持脚ユニット１上に、多数のパネル部材２０を敷設した状態を示す平面図であり、図示例では、２枚のパネル部材２０が外されている状態、或いは、まだ敷設されていない状態を示すものである。
外されている２枚のパネル部材２０は、支持脚上に敷設する際には、異なる大きさの支持脚上面部１０ｂ、１０ｃに、それぞれ対応するパネル部材２０の隅部２０ａの開口孔２０ｂ、２０ｃが一致する様にパネルの向き、敷設方向を合わせて敷設する。その時、目安としては、パネルの開口孔２０ｃが２０ｂよりも大きく形成されているため、これを基準に敷設方向を合せるのが好適であり、図６の例では、平面図右下側位置に開口孔２０ｃが来る様に敷設すれば、パネル部材２０の敷設方向を全て合わせることが可能となる。
尚、本実施例では、図３〜図６において、支持脚ユニット１の支持脚上面部１０ｃ又は、支持脚１０の１本の大きさを大きくした場合、或いは太さを太くした場合について説明したが、逆に、その１本の大きさを小さくしたり、細くしても良い。
【００４０】
要は、前記パネル部材２０の敷設方向が特定される様に、前記支持脚上面部１０ａと、前記パネル部材隅部２０ａとを、該上面部１０ａで集合される多数のパネル部材隅部２０ａの係合が異なる係合構造３０であれば、どの様な構成でも良いのである。　また、本実施例では支持脚分離型の二重床構造において、支持脚ユニット１を、基本的には図１と図３、図５との２タイプを例に取り上げて説明したが、これらの実施例の構成のみに限定されるものではない。基本的に支持脚分離型であれば、どのような構成でも良い。
尚、本実施例ではいずれもパネル相互を突き合わせにより敷設した場合の例を取り上げて説明したが、パネル相互に一定の間隔をあけて配線通路、或いは配線溝を形成し、その上面開口を覆うカバー材として直線部カバー板、交差部カバー板を適用した溝工法の配線溝型の複合型二重床にも応用することができ、これら使用される支持脚〜パネルの係合、嵌合構造にも利用することが可能である。
【００４１】
第３の実施例の説明
施工方法の説明。
次に、図１０〜図１４を用いて、本実施例に係る施工方法の一例を詳細に説明する。
即ち、本実施例における施工方法の主旨は、以下の様になる。
▲１▼墨出し　　⇒　　▲２▼支持脚の立設・固定　　⇒　　▲３▼支持脚のレベル出し・調整　　⇒　　▲４▼パネルの敷込み　　⇒　　▲５▼支持脚のレベル調整。
【００４２】
▲１▼墨出し
まず、図１０に示す様に、支持脚１０又は支持脚ユニット１を床スラブＦ面に多数のパネル部材２０を支持、敷設可能とする様に立設するため、ほぼパネル幅寸法の所定間隔毎に設置可能となる様に、位置決め用の墨出しを行う。
【００４３】
▲２▼支持脚の立設・固定
次に、図１１に示す様に、その床面Ｆ上の墨出し線の各交差部に、支持脚ユニット１を立設固定するため、接着材、例えばコンクリート等の硬化性充填接着剤を塗り付け、その上から支持脚ユニット１を設置し押圧固定する。
その固定の際、支持脚ユニット１の全ては、その台座部１１及び受け部１２を、例えば、基台部５に設けられた目印（例えば図１、図３、図５の図示矢印↑で示す）を基準にして、所定の方向にあわせる様に設置し固定することになる（　尚、本図示例では、その台座部１１及び受け部１２としての上面部１０ａの構造を、図９Ａのものを適用して説明した。）。
この施工作業は、後のパネル部材２０を一定方向にあわせて施工する際の作業との関連で非常に重要となる。
【００４４】
▲３▼支持脚のレベル出し・調整
更に、図１２に示す様に、全ての支持脚ユニット１の立設・固定が完了したら、支持脚１０の高さ調整機構４０を用いて、パネル面となる台座部１１及び受け部１２の上面部１０ａの位置、或いは支持脚上面位置のレベル調整を行う。　このレベル調整は、全支持脚ユニット１に対し、例えば図示↓の様に、ドライバー等の工具を用いて支持脚ユニット１の上部よりボルト脚を回転させながら行う。
【００４５】
▲４▼パネルの敷込み
最後に、図１３に示す様に、パネル２０全てを支持脚上（その台座部１１及び受け部１２）に敷設、施工する。この際、パネル２０は、パネル敷設の方向性をもたせて一定方向に合わせて敷き込む。　これによって、パネル２０の各隅部２０ａが、対応する各支持脚ユニット１の上面部１０ａの位置に正しく係合されることとなり、支持脚１０とパネル２０とが係合され確実に設置されることとなる。
【００４６】
尚、この係合構造については、前述した様に、例えば図９で説明した通りである。
ここで、もしパネル２０が、支持脚上に正しく設置されない場合、係合しない場合又は浮き上がりやガタツキ等が生じた場合は、上記支持脚１０の台座部１１及び受け部１２を、所定の方向にあわせる様に再度設定し直すか、又はパネル２０を平面視で回転させる様にして、あらためて係合させてその台座部１１及び受け部１２の上面部１０ａの係合部３２ｂ、３３ｂ、３４ｂ、及び受け部１２と、パネル隅部２０ａの係合部３２ａ、３３ａ、３４ａ及びパネル隅部２０ａとの係合関係を一致させることにより、その両者が正しく係合される位置で設置することが可能となる。
【００４７】
以上の施工作業によって、簡単且つ確実に、しかも、パネル施工の際のパネル２０の方向性を施工作業者が誤った場合でも、パネル２０が支持脚上に嵌らなくなるのでその係合状態によってパネル２０と支持脚ユニット１との設定の不整合を容易に認知する事が可能となる。
▲５▼支持脚のレベル調整
尚、必要に応じて、パネル上面にタイルカーペット等の仕上材を敷き込む前に、例えば配線敷設工事を行う場合や隣接相互のパネル同士に微小な段差が生じた場合等には、精度上、前述したパネルの高さ調整作業が改めて行われることがある。
【００４８】
次に、以下更に、パネル２０及び支持脚１０の敷設施工後におけるパネル２０の着脱施工について、詳細に説明する。
本実施例の特徴的な施工法は、以下の施工作業にある（図１４参照）。
１．　パネルを離脱する施工。
パネル２０を離脱する場合は、例えば、配線又は配線器具の移設や増設の際、これらの点検の際、等がある。　この場合、まず、所望位置の仕上材を剥がした上、パネル２０は、一方向（縦方向又は横方向）に順次、一斉に外してゆき、その外したパネル２０を、例えば図１４に示す様に、横の隣接するパネル２０の上に、表面か裏面のどちらかを上にして置かれる。　少なくとも、外したパネルは外した位置の近くに順次、整然として置かれることが望ましい。
２．　配線又は配線器具の移設や増設、これらの点検作業の施工。
その後、配線又は配線器具の移設や増設、これらの点検、メンテナンス作業が行われる。
【００４９】
３．　パネルを再設置する施工。
上記の各作業が終了した後、外したパネル２０を元の位置に戻すわけだが本実施例では、外したパネルの位置と、元の設置状態のパネルの位置とが１対１に対応していれば、前述した様に、例えばパネル２０を回転させて、敷設方向を変えて支持脚上面に嵌る位置で確実に再設置することが可能となる。
この作業は、パネル２０の敷設方向を作業者に意識させることなく確実でき特に、図１、図３、図４、図５に示す例の場合では、例えば支持脚上面部１０ａの係合部構造３０ｂ、１０ｃ又はパネル隅部２０ａの係合部構造３０ａ、２０ｃを目視だけでパネルの方向性を認識することができるので、より簡単、且つ、確実に再設置することが可能となる。
このことは、専門のパネル施工業者だけでなく、上記配線類等を施工する電気工事業者、更には配線マネジメントや点検作業を行うユーザー等のように専門業者でない者であっても、容易にパネルの着脱が可能となるものであり、パネルの着脱によって生じ易い、パネルのガタツキ、再調整作業等をなくすことが可能となる。
【００５０】
実施例の効果。
（１）　支持脚構造を共有して使用することができ、１種類の支持脚ユニット１及びその対応するパネル２０のみで構成でき、部品点数の削減、構造の簡単化が図れる。この点が、従来技術と大きく異なる。
（２）　パネル２０の構造を簡単化でき、製造しやすい構造となってコスト低減が可能となる。
（３）　施工作業者は、支持脚ユニット１の設置、パネル２０の設置について、向きを考慮しながら施工する必要性がなくなり、簡単に短時間で施工ができるから、施工コストを低減することができる。
（４）　図３、図４、図５、図６の構成であれば、パネル２０を表裏とも使用することが可能となる。
（５）　図３、図４の構成では、支持脚１０のボルト部分を共有することができ、ナット部１０ａ及びパネル受け部１２で成る上面部１０ｃのみの変更で対応でき、基本的な部品は共用し、一部細部部品のみの変更だけで可能となる。　即ち，部品の節約が可能となる。
（６）　二重床構造のパネル敷設後において、一旦、取り外したパネルを、元の敷設状態の位置に戻す施工が、簡単、且つ、確実にできる。
（７）　この種の二重床構造に関しては、従来、パネル１０や支持脚ユニット１、更に両者の係合構造が複雑化し、コストアップ要因になっていたが、製造が容易で、パネル２０や支持脚ユニット１の基本構造を大幅に変えることなく簡単な構造で、安価に構成することができる。
（８）　施工業者が、パネル２０を離脱し元に戻す際、パネル２０の向きを誤って変えてしまっても、うまく収まらない（パネルが浮く、ガタツキが生じる）様になるため、容易に気付くことが出来、パネル配置の修正が容易である。
【００５１】
【発明の効果】
本発明に係る二重床構造及びその施工方法によれば、以下の効果を奏することができる。
１．　１種類の支持脚及びその対応するパネルのみで構成でき、部品点数の削減、構造の簡単化が可能となる。
２．　パネル構造を簡単化でき、製造しやすい構造となってコスト低減が可能となる。
３．　施工作業者は、支持脚の設置、パネルの設置について、向きを考慮しながら施工する必要性がなくなり、簡単に短時間で施工ができるから、施工コストの低減が可能となる。
４．　パネル敷設後において、一旦、取り外したパネルを、元の敷設状態の位置に戻す施工が、簡単、且つ、確実に可能となる。
５．　施工業者が、パネルを離脱し元に戻す際、パネルの向きを誤って変えてしまってもうまく収まらない（パネルが浮く、ガタツキが生じる）様になるため、容易に気付くことが出来、パネル配置の修正が容易である。
【００５２】
【図面の簡単な説明】
【図１】本願発明の第１実施例を示す支持脚ユニット１と、パネル部材２０の一部を拡大したそれぞれの斜視図である。
【図２】図１の４つの支持脚ユニット１に、１枚のパネル部材２０を係合設置した状態を示す平面図である。
【図２Ａ】図１の支持脚ユニットの上面部１０ａ構造の他の実施例であり、係合部分の構造、形態が平面視略四角柱状突起構造になる構成を示した図である。
【図２Ｂ】図１の支持脚ユニットの上面部１０ａ構造の係合部分の構造、形態が平面視略三角柱状突起構造になる構成を示した図である。
【図２Ｃ】図１の支持脚ユニットの上面部１０ａ構造の係合部分の構造、形態が、平面視略１／４円柱状突起構造になる構成を示した図である。
【図３】図１と異なる第２の実施例を示す支持脚ユニット１とパネル部材２０の一部を拡大した斜視図である。特に、支持脚ユニット上面部１０ｂ、１０ｃの大きさが異なる場合の例の斜視図である。
【図４】図３の側面断面図であり、支持脚ユニット１とパネル部材２０との係合状態を示した図である。
【図５】図３に示した支持脚ユニットの他の実施例を示した支持脚ユニットの斜視図である。
【図５Ａ】図５の支持脚ユニット１の太い支持脚１０に上面部１０ａがねじ込まれた状態を示した側面部分断面図である。
【図５Ｂ】図５の支持脚ユニット１の細い支持脚１０に上面部１０ａがねじ込まれた状態を示した側面部分断面図である。
【図６】図３、図５に示す支持脚ユニット１、パネル部材２０を適用し二重床を構成した場合の２枚のパネル部材２０を支持脚ユニット１から離脱させた状態を示した平面図である。
【図７】図１に示した支持脚ユニット１の上面部１０ａを変える係合構造の他の変形例であって、２０個の支持脚ユニット１に１２枚のパネル部材２０を係合設置した状態を示した平面図である。
【図７Ａ】支持脚ユニット１の他の変形例の縦断面図である。
【図７Ｂ】支持脚ユニット１の上面部１０ａの他の変形例の平面図である。
【図７Ｃ】支持脚ユニット１のパネル部材２０の他の変形例の平面図である。
【図７Ｄ】図７ＣをＡ−Ａ方向から見た横断面図である。
【図８】図７と異なる上面部１０ａの構造を備えた更に他の例を示す図であって、９つの支持脚ユニットに４枚のパネル部材２０を係合設置した状態を示した平面図である。
【図８Ａ】支持脚ユニット１の更に他の例の断面図である。
【図８Ｂ】支持脚ユニット１の更に他の例の上面部１０ａの平面図である。
【図８Ｃ】パネル部材２０の平面図及びその側面図及びＡ−Ａ方向から見た横断面図である。
【図９】図７、図８と異なる上面部１０ａの構造を備えた他の例を示す図であって、９つの支持脚ユニット１に４枚のパネル部材２０を係合設置した状態を示した平面図である。
【図９Ａ】支持脚ユニット１の他の例の断面図である。
【図９Ｂ】支持脚ユニット１の他の例における上面部１０ａを示す平面図である。
【図９Ｃ】パネル部材２０の平面図及びその各側面図である。
【図１０】本実施例に係る支持脚ユニット１を床面Ｆに設置するに際し、隅出し状態を示した平面図である。
【図１１】床面上に複数の支持脚ユニット１を設置する設置方法を示す平面図及び上面部１０ａの一部拡大平面図である。
【図１２】支持脚ユニット１の高さ調整方法を説明する一部断面を示した側面図である。
【図１３】支持脚ユニット１上にパネル部材２０を設置した状態を示した平面図である。
【図１４】支持脚ユニット１上のパネル部材２０の４枚を離脱させた状態を示す平面図である。
【符号の説明】
１・・・・・・・・・・支持脚ユニット
５・・・・・・・・・・基台
１０・・・・・・・・・・支持脚
１０ａ・・・・・・・・・上面部
１０ｂ、１０ｃ・・・・・係合部
１０ｘ・・・・・・・・・工具挿入口
１０ｙ・・・・・・・・・工具
１１・・・・・・・・・・台座部
１２・・・・・・・・・・パネル受け部
１３・・・・・・・・・・係合部分
２０・・・・・・・・・・パネル、パネル部材
２０ａ・・・・・・・・・パネル四隅部、隅部
２０ｂ、２０ｃ・・・・・パネル係合部
３０・・・・・・・・・・係合構造
３０ａ・・・・・・・・・窪み構造
３０ｂ・・・・・・・・・突起構造
３１ｂ・・・・・・・・・円筒状突起
３１ａ・・・・・・・・・・窪み部
３２ａ・・・・・・・・・切り欠き部
３２ｂ・・・・・・・・・突起部
４０・・・・・・・・・・高さ調整機構
Ｆ・・・・・・・・・・床面
Ｐ・・・・・・・・・・施工前のパネル
Ｐ_０・・・・・・・・・　外したパネル[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a double floor structure, and more particularly, to an engagement structure between a support leg for supporting a floor panel for an OA floor and a panel and a method of constructing the double floor structure.
[0002]
[Prior art]
2. Description of the Related Art In the technical field of free access floors for OA floors, support leg panels for computer room OA equipment have been known for a long time, and various types having various configurations have been widely used until now.
In particular, since the existing floor slab of the building often has irregularities (uneven portions), the height of the support legs can be freely adjusted, and the OA floor is constructed while adjusting the height when laying the panel. Has been done. This type of double floor panel having a support leg height adjusting mechanism is mainly composed of a support leg integrated type (a structure in which the panel and the support leg are integrally fixed) and a column separated type (the panel and the support Leg and separate structure).
Conventionally, in such a support leg type double floor panel, for example, in a column type in which a column is separated, a height adjustment type of an independent column type is used. It is necessary to remove or reattach the support legs in accordance with changes in office layout, installation of wiring equipment, and relocation of wiring.
[0003]
Further, depending on the structure of the building to be laid, the entire floor slab is likely to bend (creep) due to long-term changes over time.
When a double floor panel is installed on a floor slab in such a situation, work to uniformly flatten the panel surface by adjusting the height of the support legs (posts) is widely performed due to the necessity of on-site construction. ing.
Conversely, even after the double floor panel is laid, the panel may warp or bend due to the above-described creep phenomenon or the movement of fixtures and equipment placed on the upper part. Further, there is a case where the panel itself is deformed in a state in which it is adapted to the irregularity due to a long-term change with time (for example, a weight burden due to an upper load).
In such a situation, when the panel is removed for any reason such as relocation, replacement or layout change of the outlet equipment, the installation work may be erroneously carried out by relocation of the double-floor floor, installation work to replace the panel after replacement. The panel may be laid in a different laying direction from the laying direction of the panel. The cause of such a situation is that a plurality of different contractors are involved in the panel laying work at the same location in a timely manner.
[0004]
In this case, the original laying direction of the panel was changed so that it was flat so that it had flatness against unevenness of the floor surface and was adjusted so that rattling etc. did not occur. Become. If the laying direction of the panel is different from the original laying direction in this way, the double floor structure (the panel installed on the support legs) may be loose and have a step. Therefore, it is necessary to re-adjust the height of the support legs.
In this case, it is necessary to adjust at least one of the four support legs for one panel. Of course, depending on the level difference and unevenness, it may be necessary to adjust the height of the support legs for several adjacent panels. In the worst case, there may be situations where all removed panels must be readjusted. In such a case, extra labor and cost will be required due to a significant extension of the construction work.
In other words, this type of double-floor OA floor can freely cope with relocation, replacement, layout change, and the like of outlet appliances, so that the construction work is rather large. In this case, the user can no longer easily perform the work of replacing the panel, and a special contractor is required, resulting in a problem that extra work time and cost are required.
[0005]
Of course, when the user performs construction work, for example, by moving or adding wiring that occurs due to layout change, etc., make sure that the laid direction of the removed panel can be returned to the original orientation without mistake. It is necessary to take measures to avoid such a situation, and attention has been paid to the extent possible in practice.
However, in such a double floor panel construction work, there is a limit to the user performing all the construction work, and after all, even if the construction cost is high, it is necessary to ask a professional contractor or to have a backlash. There was a situation where construction was performed as it was.
[0006]
In order to cope with such a situation and to solve the problem, the following OA floor is already known as a known technique.
{Circle around (1)} A double-panel structure with integrated support legs (Japanese Unexamined Patent Publication No. Hei 6-10490, Japanese Utility Model Laid-Open No. 6-47479, Japanese Utility Model Open No. 5-19427, Japanese Utility Model Laid-open No. 4-125330) in which the laying direction can be specified by changing the form of the support legs. 64-36447).
{Circle around (2)} A double floor structure in which the laying direction is specified by changing the form of the panel (Japanese Utility Model Laid-Open No. 1-98844, Japanese Utility Model Laid-Open No. 53-109320, etc.).
{Circle around (3)} A double-floor panel structure with integrated support legs, which has an indication on the panel surface so that the construction direction can be identified (Japanese Utility Model Laid-Open No. 6-63726 (registration number 25924484)).
[0007]
[Problems to be solved by the invention]
However, these improved floor panels also have various limitations as described below, and still remain as problems.
Problem 1:
In the above-mentioned known technique (1), it is necessary to prepare at least two types of supporting legs, which requires extra materials, resulting in extra production costs and another cost increase. Furthermore, when installing each support leg, since the support leg requires a common directionality, it took time and effort for construction.
[0008]
Problem 2:
Further, in the case of this type of support leg integrated type panel, since there is only one mechanism for adjusting the height for structural reasons, the other three integrated support legs whose height cannot be adjusted are provided on the floor. If you get on the uneven surface of the slab (irregularities), you can only adjust the height of one support leg that can be adjusted, and this will ensure that the panel surface is flattened. Did not.
That is, in the height adjustment using one support leg, there is a limit to the adjustable range of unevenness. For example, although unevenness adjustment can be performed, there still remains a problem that a level difference occurs between adjacent panels and uniform flattening cannot be performed, and it has been difficult to say that the problem has been sufficiently solved.
[0009]
Problem 3:
On the other hand, according to the above-mentioned known technology (2), in a configuration in which the panel is laid in a different form (deformed panel), the structure of the panel is complicated, and the reliability of the strength surface as a floor constituent member is increased by the deformed panel shape. To There are drawbacks in that it is not possible to smoothly carry out holding, preventing manufacturing cost increase, and packing, moving and transporting panels.
[0010]
Problem 4:
Further, in the above-mentioned known technology (3), since a display for identifying the construction (laying) direction is provided on the panel surface, it seems at first glance that this kind of problem can be simply solved, but it is not necessarily so. Not necessarily. For example, even when the first panel is installed, even if the installation specialist can surely perform the panel installation according to the identification indication, the later electrical wiring company etc. will attach and detach the panel when installing wiring equipment and wiring. In such a case, there may be a case where the panel is not laid in such a manner that the panel laying direction is properly adjusted only by the identification display.
[0011]
This is not a problem of the panel contractor, but of the electrician / wiring contractor, but these identifications are not always easy for any contractor or user to easily understand. That is, if the identification display cannot be sufficiently recognized, the identification display is erroneously made and the panel is laid. In such a case, the result is that the panel is laid in the wrong laying direction.
[0012]
In other words, the means according to the above-mentioned known technique (3) has a problem in that panels can be laid without any trouble even in the wrong laying direction. Would.
Further, in this construction method and structure, it is necessary to provide a structure in which an identification mark is easily and reliably attached to the panel surface. Moreover, there is no unevenness on the panel surface, so that the flatness is not impaired, it does not adversely affect the laying of tile carpet or the like as a finishing material (the adhesive property of the adhesive), and the structure is such that it does not easily come off or disappear. There must be. Furthermore, there are various restrictions such as that the cost of the panel must not be increased, and it is not easy, but rather difficult, to solve all of these problems.
[0013]
Each of the prior arts (1) and (3) of this type is a structural technology capable of taking into account the specification of the panel laying direction.
In other words, even if the laying direction of the panel is mistaken, there is a risk that the installer himself does not notice, and as a result, the laying of the panel is completed without performing the work of correctly setting the laying direction of the panel as a result The major problem was unsolved.
[0014]
Purpose of the invention
The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to simplify the work of returning a panel once removed to an original laid state after laying a double floor panel. Another object of the present invention is to provide a double-floor structure and a method for constructing the double-floor structure, which can be manufactured reliably and reliably, and have a simple configuration of panels and supporting legs, and can be manufactured at low cost.
[0015]
[Means for Solving the Problems]
In the double floor structure according to the present invention, in the first invention, a plurality of support legs (10) having an upper surface portion (10a) are erected on the floor surface F at a predetermined interval, and are provided between the support legs. A plurality of panel members (20) laid on the support leg (10) and laid on the upper surface (10a), and the support leg (10) is detached when the panel member (20) is laid off. In the double floor structure of the support leg separation type remaining on the floor side,
The upper surface portion (10a) of the support leg (10) and the back surface corner (20a) of the panel member (20) are connected to the upper surface portion (10a) so that the laying direction of the panel member (20) is specified. ), A large number of panel member corners (20a) are assembled with different engagement structures (30).
Further, the engaging structure (30) forms an engaging portion (30) in which the upper surface portion (10a) of the support leg (10) and the panel corner portion (20) are engaged in a substantially uneven shape. It is characterized by comprising.
Further, in the engagement structure (30), the support leg upper surface portion (10a) and the corner portions (20a) of each panel member assembled on the upper surface portion have different shapes, different sizes, and different positional relationships. Characterized by being engaged by at least one of the following.
[0016]
According to the second invention, a plurality of support legs (10) having a predetermined height adjustment mechanism (40) are erected at predetermined intervals on a base (5) installed on the floor surface F. Above each support leg, a plurality of support leg units (1) each having a support leg engaging portion for engaging and installing a predetermined panel corner (20a) to be laid are provided at a predetermined position on the floor surface. A panel member (20) having a panel engaging portion between the supporting leg units (1) and having four corners (20a) engaged and supported by the supporting leg engaging portions. The leg unit (1) collectively engages the plurality of panel corners with the support leg engagement portions and the panel engagement portion, and attaches the plurality of panel members (20) on the support leg. In the double floor structure configured to support
In each of the support leg engagement portions, at least one engagement portion (10c) is formed with an engagement structure different from other engagement portions (10b),
The panel engaging portions have different engaging structures such that four corners (20a) correspond to the one engaging portion (10c) and the other engaging portion (10b), respectively. 20b), wherein the laying direction of the panel member is specified by the engagement between the different form of the support leg engaging section and the corresponding different form of the panel engaging section. It is characterized by.
[0017]
In the construction method of the double floor structure according to the present invention, as a third invention, a plurality of support legs (10) having a predetermined upper surface portion (10a) are erected on the floor surface F at predetermined intervals. Step (1), a panel member (20) which is installed between the standing support legs (10) and placed on the upper surface portion (10a) of the support legs (10) is placed on a flat floor surface. (2) arranging a plurality of support legs so as to form, and supporting legs (10) from the floor surface (1) to the upper surface when the support legs (10) are erected or when the panel member (20) is disposed. Step (3) of adjusting the height of the supporting leg (10) by the predetermined height adjusting member (40), and adjusting the height of the support leg (10) by the height adjusting member (40); After the member (20) is provided, and the panel member (20) is located on the support leg upper surface portion (10a). Even if the panel member (20) is detached, the upper surface (10a) of the original support leg (10a) before the detachment is formed by the engagement structure (30) between the four corners (20a) of the panel member (20) and the upper surface portion (10a) of the support leg (10). (4) in which the corner (20a) (predetermined laying direction) of the original panel member (20) can be engaged and installed.
The step (4) is performed when the panel member (20) is detached from the support leg upper surface portion (10a) by the engagement structure (30), and then the panel member (20) is reinstalled. If the panel member (20) cannot be engaged and installed at the original support leg upper surface portion (10a) position before the detachment, the panel member (20) is laid so that the laying direction of the panel member (20) is constant. 20) is rotated so that the corner (20a) is adjusted to the original installation position.
Further, in the step (1), when the plurality of support legs (10) are erected on the floor surface F, the support legs (10) are all oriented in a common specific direction, and the step (2) is performed in the step (2). When the plurality of panel members (20) are erected between the upright supporting legs (10) and placed on the upper surface portion (10a) of the supporting legs (10), in the step (1), The plurality of support legs (10) and the plurality of panel members (20) are arranged so as to be aligned in a direction corresponding to the specified direction.
[0018]
[Action]
The double floor structure according to the present invention has an engagement structure in which at least one corner of the panel is different from other corners in the engagement between the panel corner and the support leg upper surface. Thus, the panel laying direction is specified in common with one predetermined direction, and the panel can be installed on the support leg only in one direction.
In addition, the construction method makes it impossible to lay the panel on the upper surface of the support leg when the laying direction of the panel is mistaken when the panel is attached or detached.
As a result, the laying builder notices himself and the work of resetting the laying direction of the panel can be performed naturally, and the laying direction of each panel can be easily and reliably specified.
[0019]
【Example】
Hereinafter, preferred specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Gist of the invention.
As a first characteristic matter according to the present invention, the upper surface portion 10a of the support leg 10 and the back surface of the panel corner portion 20a are formed at the four corner portions of the panel 20 so that the laying direction of the panel 20 is specified. That is, they are constituted by different engagement structures 30 (30a, 30b).
The engaging structure is characterized in that an engaging portion 30 (30a, 30b) is formed to engage with the upper surface 10a of the support leg 10 and the panel corner 20a in a substantially uneven shape. I have.
Further, the engaging portions 30 are characterized in that they engage in different forms, sizes, and different positional relationships.
Further, these engaging structures are characterized in that the engaging portion between the upper surface portion 10a of the support leg 10 and the back surface corner portion 20a is formed by changing only one location, two locations, or all four locations. And
[0020]
Next, the second characteristic matter according to the present invention is that, when the support leg unit 1 is erected or the panel member 20 is disposed, the height of the support leg 10 is adjusted by a predetermined height adjustment member 40. Even if the panel member 20 is detached from the upper surface portion 10a of the support leg 10 after the panel member 20 is installed, the connection between the four corners of the panel member 20 and the upper surface portion 10a of the support leg 10 at the time of re-attachment. In some cases, it is possible to engage with the original support leg upper surface portion 10a in the laying direction position before the detachment.
[0021]
Specific description of the embodiment.
In the aforementioned prior arts (1), (2) and (3), when the panel 20 is lifted, Support Was a panel with integrated support legs attached to the panel side.
However, the double floor structure employed in the present embodiment is a double floor structure in which the panel 20 of FIG. 4 is supported by columns or support legs 10 to form a wiring space. In particular, when the panel 20 is lifted, the support (support leg unit 1) such as the above-mentioned support or the support leg 10 is a support leg separated type panel which remains on the floor slab side of the building.
[0022]
Description of the structure.
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a partially enlarged perspective view of a support leg unit 1 and a panel member 20 showing a main configuration of a first embodiment according to the present invention.
FIG. 2 is a plan view showing a state in which one panel member 20 is installed on four support leg units 1 erected on the floor surface shown in FIG.
FIGS. 2A, 2B, and 2C show another embodiment of the upper surface portion 10a of the support leg unit 1 in FIG. 1, and show different configurations and configurations of the panel engaging portions of the support legs. FIG.
[0023]
FIG. 3 is an enlarged perspective view of the support leg unit 1 and a part of the panel member 20 showing a main configuration of a second embodiment different from FIG. These examples show examples in which the sizes of the support leg unit upper surface portions 10b and 10c are different depending on the support legs.
FIG. 4 is a side cross-sectional view of FIG. 3, showing a state in which the support leg unit 1 and the panel member 20 are engaged.
[0024]
FIG. 5 is a perspective view of the support leg unit 1 showing another embodiment of the support leg unit 1 shown in FIG.
FIGS. 5A and 5B are side sectional longitudinal sectional views of supporting leg portions having different thicknesses in FIG. 5, and are diagrams showing a state where the upper surface portion 10 a is screwed into the supporting leg 10.
FIG. 6 is a plan view of the case where the support leg unit 1 and the panel member 20 shown in FIGS. 3 and 5 are applied to form a double floor, and two panel members 20 are detached from the support leg unit 1. It is a state diagram showing the state.
FIGS. 7, 7A, 7B, 7C, and 7D show another example of the engagement structure in which the upper surface portion 10a of the support leg unit 1 shown in FIG. 1 is changed. FIG. 7 is a plan view showing a state where the twelve panel members 20 are engaged and installed, FIG. 7A is a side vertical sectional view of the support leg unit 1, and FIG. It is the top view (FIG. 7C) of the member 20, and its side view (FIG. 7D).
[0025]
FIGS. 8, 8A, 8B, and 8C show another example of the support leg unit 1 having the structure of the upper surface portion 10a different from that of FIG. 7, and each of the nine support leg units 1 has four panel members. 20, a cross-sectional view of the support leg unit 1 (FIG. 8A), a plan view of its upper surface 10a (FIG. 8B), and a plan view of the panel member 20 and its components. It is a side view and a partial AA sectional view (FIG. 8C).
[0026]
FIGS. 9, 9A, 9B, and 9C show other examples of support legs having a structure of an upper surface different from those of FIGS. 7 and 8, and four panel members are provided for nine support leg units 1 respectively. FIG. 9 is a plan view showing a state in which the support member 20 is engaged and installed, a cross-sectional view of the support leg unit 1 (FIG. 9A) and a plan view of its upper surface 10a (FIG. 9B), It is a figure (FIG. 9C).
FIG. 10 to FIG. 14 are examples showing a mode of construction in which the support leg unit 1 and the panel member 20 according to the present embodiment are installed, and a construction method using the support leg unit 1 and the panel member 20 of FIG. FIG.
Referring to each figure, FIG. 10 is a plan view showing a marking state for installing the support leg unit 1 on the floor F, and FIG. 11 is a plan view showing a method of installing a plurality of support leg units 1. 12 is a partially enlarged plan view of the upper surface portion, FIG. 12 is a side view showing a partial cross section for explaining a method of adjusting the height of the support leg unit 1, and FIG. FIG. 14 is a plan view showing a state in which four panel members P (P ₀ 3) is a schematic plan view showing a state in which the) has been detached.
[0027]
Description of the first embodiment
Next, preferred embodiments of the present invention will be sequentially described in detail with reference to the drawings.
In FIG. 1, the support floor separated type double floor structure has a panel 20 in which engagement portions 30 a are formed at four corners 20 a of the panel, and different engagement portions 30 b corresponding to the engagement portions 30 a of the panel 20. The supporting leg unit 1 further includes an upper surface portion 10a including a pedestal portion 11 having an engaging portion 30b and a receiving portion 12, and a bolt leg provided to be screwed into the upper surface portion 10a. It comprises a support leg 10 and a base 5 fixed to the floor F.
The double floor structure of the support leg separated type panel has an engaging (fitting) structure in which the upper surface 10a of the support leg unit 1 supports the panel corner 20a by the receiving portion 12 on the pedestal portion 11. The support leg unit 1 is screwed into an upper surface portion 10a forming a nut member and a support leg 10 formed of a bolt leg that can be screwed into the nut member, thereby increasing the height of the panel on the floor surface. It has a height adjustment mechanism 40 that enables adjustment.
[0028]
That is, the supporting leg unit 1 shown in FIG. 1 has four receiving portions as four engaging portions which can be engaged with the four engaging portions formed at the four corners 20a of the panel 20, respectively. 12 has an upper surface portion 10a.
The upper surface portion 10a is configured to receive the back surface of four different panel corner portions 20a to be assembled by one support leg, and to engage and support the four assembled corner portions 20a on the upper surface thereof, respectively. It is installed by screwing in a nut portion at the upper end portion of a bolt leg as an upright supporting leg.
At the upper end of the bolt leg, as a floor height adjusting mechanism 40, the bolt leg head can be rotated by a rotating operation with a predetermined tool such as a + (plus) or-(minus) screwdriver. The height of the double floor can be freely adjusted by vertically moving the upper surface portion 10a receiving the floor.
[0029]
Here, as shown in FIG. 1, the engagement structure 30 between the upper surface portion 10a of the support leg 10 and the corner portion 20a of the panel 20 has one configuration that fits in a substantially uneven shape, a depression structure 30a and a projection structure. 30b and a three-part structure in which the panel corner 20a is simply received on the flat surface without being fitted in such a manner, and a fitting structure of the panel corner 20a and the receiving part 12 which are different from each other. The structure of the joint part is adopted.
For example, as shown in FIG. 1, for example, a substantially cross-shaped rib is formed upright on a pedestal portion 11, and a four-part receiving portion 12 is formed to receive four panel corners 20 a, respectively. This is made possible by configuring 10a.
[0030]
FIG. 2 shows a state in which one panel is supported by four support leg units 1. As shown in the drawing, the engagement between the panel corner 20a and the support leg upper surface 10a is achieved by a substantially concave portion 30a at one corner of the panel 4 and a receiving portion 12 of the upper surface 10a which is substantially divided into four. And the substantially convex portion 30b corresponding to the concave portion 30a formed on the upper surface portion 10a. It is configured by fitting both of them with one receiving portion 12.
1 and 2 show an example in which only one engagement structure 30 (30a, 30b) is changed. Therefore, if the panel 20 is to be installed in a state where the substantially concave portion 30a and the substantially convex portion 30b are not engaged with each other, that is, when the installation position of the panel 20 and the fitted state are wrong, for example, If the plane of the panel corner 20a is set at the position of the substantially convex portion 30b on the upper surface portion 10a of the support leg 10, correct fitting is not performed, and the flat surface rides on the substantially convex portion 30b and The panel 20 floats and rattles on the upper surface 10a.
Then, the installer notices that the panel 20 is not stably installed on the support legs, and tries to correct the engagement positional relationship of the panel 20. That is, in this example, the operation of rearranging the panel 20 and resetting the panel corner 20a so as to be adapted to the position of the substantially concave portion 30a can be naturally performed.
[0031]
In FIG. 1, the substantially convex portion 30b on the upper surface portion 10a side has a cylindrical projection structure, and the substantially concave portion 30a on the panel corner side has a corresponding cylindrical hollow structure. However, in FIG. FIG. 2B shows an example of a substantially quadrangular columnar projection structure, FIG. 2B shows an example of a substantially triangular columnar projection structure in plan view, and FIG. 2C shows an example of a substantially quarter columnar projection structure in plan view. Their shapes are arbitrary and the basic functions and effects are the same as those in FIG. 2A, 2B, and 2C, the larger the area of each projection structure in a plan view, the more stable the panel, and the smaller the area, the more the amount of material used can be reduced.
[0032]
Another example of the first embodiment
(Example of position change of depression and protrusion on upper surface 10a)
Next, FIGS. 7 to 9 show modified examples of the engagement structure 30 showing the engagement between the support leg upper surface portion 10a and the panel corner portion 20a of FIG. 1 described above. Particularly, this is an example in which at least one of the positions, sizes and forms of the fitting portions of the substantially concave portions and the substantially convex portions of the support leg upper surface portion 10a are changed.
In FIG. 7, the pedestal 11 is formed in a circular shape in plan view as the upper surface portion 10a, and four cylindrical protrusions 31b are provided on the upper surface, and any one of the cylindrical protrusions 31b has a different arrangement or spacing. The panel corner 20a is provided with a cylindrical recess 31a at a position corresponding to the projection 31b at the time of installation.
The two are configured such that the cylindrical projections 31b, 31b 'and the cylindrical recesses 31a, 31a' are engaged and fitted in a specific one-way direction when the panel is installed. In this configuration, only the positional relationship of one protruding portion 31b 'is changed with respect to the positions of the other protruding portions 31b' and the recessed portions 31a ', and only the positions are different from each other. A combined structure is possible, which makes it possible to simplify the structure and facilitate manufacture.
[0033]
FIG. 8 shows an example in which, as shown in FIG. 8A, two types of two different types of engagement structures 31b and 32b are formed on the upper surface of the upper surface 10a of the circular base 11 in plan view.
This is because, first, one pair of the projections has two cylindrical projections 31b arranged at regular intervals in a common positional relationship, as in FIG. 7, and then the other pair has the bolt legs. A triangular prism-like projection 32b formed in a substantially triangular shape in a plan view, including the tip region, is disposed integrally opposite to the upper surface portion 10a. Each of the four corners 20a of the corresponding panel is provided with a notch 32a in which the pair of triangular prism-shaped projections 32b fits, as shown in FIG. 8C. Further, in the same manner as described above, a cylindrical concave portion 31a into which a pair of cylindrical protrusions 31b fits is provided, and is formed of two types of different engaging portions forming a pair at four corners of the panel 20.
In this configuration, the two types of engagement structures 32a, 32b, 31a, and 31b are employed so that the installer can easily know the orientation of the support legs when installing the support legs and laying the panel. Since the combined structure is relatively simple, it can be easily manufactured.
[0034]
FIG. 9 is another example different from FIGS. 1, 7 and 8. In particular, the support leg upper surface 10 a is formed of differently shaped projections 32 b, 33 b, 34 b and the panel receiver 12. FIG. For example, as shown in FIG. 9, an example is shown in which the receiving portion 12 has no projection shape, a substantially triangular prism-shaped projection 32b in plan view, a substantially 1/4 cylindrical projection 34b in plan view, and a substantially quadrangular prism-shaped projection 33b in plan view. .
On the other hand, in the panel corner 20a, four different-shaped cutouts corresponding to the receiving part 12 and the projections 32b, 34b, and 33b, respectively, corresponding to the receiving part 12, and the panel corners 20a and 32a, 34a, 33 shows an engagement structure constituting 33a.
According to these structures described above, the support leg side upper surface portion 10a and the four corner portions 20a of the panel can be formed by integral molding or the like, respectively, so that the structure is very simple and the design and manufacturing are easy.
[0035]
As described above, in these other embodiments, the corners 20a of the four mutually adjacent panels 20 are collectively received in different fitting structures with one supporting leg, but the supporting legs 10 are provided with a tool from above the panel. It has a height adjustment mechanism that enables height adjustment by means such as.
Further, since the structure of the panel 20 can be simplified simply by changing a part of the corner portion 20a, the outer shape is not changed as much as possible, and the panel 20 is configured so as not to have a deformed shape which increases the number of steps. Was also a concave structure.
These configurations are not limited to these embodiments, and various changes can be made without departing from the scope of the present invention. For example, the engagement function is performed in a manner in which the projections (projections) and the depressions (depressions) of the panel and the support legs in the above embodiment are replaced, that is, the projections are formed in the depressions, and the depressions are formed in the projections. You may comprise.
[0036]
Description of the second embodiment
Next, referring to FIGS. 3 to 6, a double-floor structure of a separated supporting leg type having another form and configuration different from that of FIG. 1 described above will be described below.
These support leg units 1 shown in the figure are fixed on a base 5 installed on the floor F using a predetermined adhesive or the like so as to collectively engage and support four panel corners 20a. Four supporting legs 10 having a height adjusting mechanism 40 capable of adjusting the panel height of the floor surface standing at intervals, a height adjusting nut 10x screwed into an upper end of the supporting legs 10, and a panel. The upper part 10b and the upper part 10c formed of the receiving part 12.
The panel member 20 has an engaging structure formed by engaging holes 20c and 20b at four corners 20a so as to correspond to the upper surface portions 10c and 10b. The engagement holes 20c and 20b are through holes that penetrate the panel 20, as shown in FIG.
Here, the upper surface portions 10c and 10b of the support leg 10 and the large number of panel corners 20a assembled on the upper surface portions 10c and 10b are formed by two different types of engagement holes 20c and 20b of the panel corner 20a. The upper surface portions 10c and 10b form an engagement structure 30, and the laying direction of the panel member 20 is specified.
[0037]
That is, as shown in FIGS. 3 and 4, these engaging structures 30 have a common supporting leg portion, but the upper surface portions 10c and 10b on the supporting leg side have substantially the same form, but have a large and small diameter relationship. Is different. Further, the size relationship of the sizes of the nut portions forming the upper surface portions 10c (thick pillars) and 10b (fine pillars) is changed, and the nut portions are assembled corresponding to the size of the nut portions. The structure fits into the engagement holes 20c (thick holes) and 20b (pores) at the four corners of the panel member.
Here, the support leg unit 1 has a predetermined height adjustment on the upper surface portions of the respective height adjustment nuts, which are the support leg upper surface portions 10c and 10b, so that the height of the support leg 10 can be adjusted. A tool insertion port 10x into which the tool 10y can be inserted is provided. In the examples of FIGS. 3 and 4, the tool 10y is a hexagon wrench, and the tool insertion opening 10x is a hexagonal opening.
Thereby, when adjusting the height of the panel member 20, this hexagon wrench is inserted into the hexagonal opening 10x formed on the upper surface of the nut portion from the upper surface of the corner portion 20a of the panel member, as shown by the arrow in the figure. Then, the nut is rotated by a screwdriver to move the nut up and down, and the upper surfaces 10c and 10b are moved up and down for adjustment (see FIG. 3).
[0038]
Another example of the second embodiment
Next, another example different from FIGS. 3 and 4 will be described with reference to FIGS. 5, 5A and 5B.
3 and 4 described above show that the size of only the upper surface portions 10b and 10c of the nut portion is changed without changing the thickness of the support leg 10, and the size of the engagement holes 20b and 20c at the four corners of the panel is adjusted accordingly. Although the size of the support leg 10 is changed to a size corresponding to the engagement, FIG. 5 shows the size and thickness of the support leg 10 itself.
That is, as shown in FIG. 5, FIG. 5A, and FIG. 5B, the support leg 10 and the upper surface structure thereof are different from FIG. 3, and the four corners 20a of the panel member 20 are engaged with the engagement holes 20c, 20b. The engagement portion 20 is formed, and the engagement holes 20 b and 20 c having the same configuration are through holes penetrating the panel 20.
As the height adjusting mechanism 40 of the support leg 10, it is assumed that the height of the support leg 10 is adjusted by rotating the support leg 10 with a predetermined tool (not shown) (a driver or the like), similarly to the one shown in FIG.
[0039]
FIG. 6 is a plan view showing a state in which a number of panel members 20 are laid on the support leg units 1 laid on the floor F shown in FIG. 3, FIG. 4 or FIG. 3 shows a state in which the panel member 20 has been removed or has not yet been laid.
When the two removed panel members 20 are laid on the support legs, the opening holes 20b of the corners 20a of the panel members 20 corresponding to the support leg upper surface portions 10b and 10c of different sizes, respectively. The panel is laid so that the orientation of the panel and the laying direction match so that 20c coincides. At that time, as a guide, since the opening hole 20c of the panel is formed larger than 20b, it is preferable that the laying direction is adjusted based on the opening hole 20c. In the example of FIG. If the panel members 20 are laid so that the holes 20c come, the laying directions of the panel members 20 can all be matched.
In this embodiment, the case where the size of the support leg upper surface portion 10c of the support leg unit 1 or one support leg 10 is increased or the thickness is increased in FIGS. However, conversely, the size of one of them may be reduced or thinned.
[0040]
In short, the upper surface portion 10a of the support leg and the corner portion 20a of the panel member are separated from each other so that the laying direction of the panel member 20 is specified. Any configuration may be used as long as the engagement structure 30 has different engagement. Further, in the present embodiment, in the double floor structure of the separated supporting leg type, the supporting leg unit 1 is basically described by taking two examples of FIGS. 1, 3 and 5 as examples. It is not limited to only the configuration of the embodiment. Basically, any configuration may be used as long as it is a support leg separated type.
In this embodiment, an example in which panels are laid by abutting each other has been described. However, a cover for forming a wiring passage or a wiring groove at a certain interval between the panels and covering an opening on the upper surface thereof. It can also be applied to the compound double floor of the wiring groove type of the groove construction method using the straight part cover plate and the intersection part cover plate as the material. It is also possible to use.
[0041]
Description of the third embodiment
Description of construction method.
Next, an example of a construction method according to the present embodiment will be described in detail with reference to FIGS.
That is, the gist of the construction method in the present embodiment is as follows.
(1) Ink marking ⇒ (2) Standing / fixing of support legs ⇒ (3) Leveling / adjustment of support legs ⇒ (4) Panel installation ⇒ (5) Adjustment of support leg levels.
[0042]
▲ 1 ▼ Sumida
First, as shown in FIG. 10, the support leg 10 or the support leg unit 1 is erected on the floor slab F surface so as to support and lay a large number of panel members 20. Ink for positioning is installed so that it can be installed in a location.
[0043]
(2) Standing and fixing of support legs
Next, as shown in FIG. 11, an adhesive, for example, a hardening filling adhesive such as concrete, is applied to each of the intersections of the marking lines on the floor F in order to erect and fix the support leg unit 1. Then, the support leg unit 1 is installed from above and fixed by pressing.
At the time of fixing, all of the support leg units 1 have their pedestal portions 11 and receiving portions 12 indicated by, for example, marks provided on the base portion 5 (for example, arrows ↑ in FIGS. 1, 3, and 5). ) As a reference, it is installed and fixed so as to be aligned in a predetermined direction. (In the illustrated example, the structure of the pedestal portion 11 and the upper surface portion 10a as the receiving portion 12 is the same as that of FIG. 9A. It was applied and explained.)
This construction work is very important in connection with the work when the panel member 20 is constructed after being aligned in a certain direction.
[0044]
(3) Leveling and adjusting the support legs
Further, as shown in FIG. 12, when all the support leg units 1 are completely erected and fixed, the height adjustment mechanism 40 of the support leg 10 is used to mount the pedestal portion 11 and the upper surface of the receiving portion 12 as panel surfaces. The level of the position of the portion 10a or the position of the upper surface of the support leg is adjusted. This level adjustment is performed on all the support leg units 1 while rotating the bolt legs from above the support leg unit 1 using a tool such as a screwdriver as shown in FIG.
[0045]
4) Panel installation
Finally, as shown in FIG. 13, all the panels 20 are laid and constructed on the support legs (the pedestal portion 11 and the receiving portion 12). At this time, the panel 20 is laid in a certain direction with the direction of panel laying. As a result, each corner 20a of the panel 20 is correctly engaged with the position of the corresponding upper surface 10a of each support leg unit 1, and the support leg 10 and the panel 20 are engaged and securely installed. It will be.
[0046]
The engagement structure is, for example, as described with reference to FIG. 9 as described above.
Here, if the panel 20 is not properly set on the support leg, if it is not engaged, or if it rises or rattles, the pedestal portion 11 and the receiving portion 12 of the support leg 10 are moved in a predetermined direction. The setting is made again so as to match, or the panel 20 is rotated in a plan view so as to be engaged again to engage the engaging portions 32b, 33b, 34b of the upper surface portion 10a of the pedestal portion 11 and the receiving portion 12, and By matching the engagement relationship between the receiving portion 12 and the engaging portions 32a, 33a, 34a of the panel corner portion 20a and the panel corner portion 20a, it is possible to install the receiving portion 12 at a position where both are correctly engaged. Become.
[0047]
By the above construction work, the panel 20 is not fitted on the support legs simply and reliably, and even if the construction worker makes a mistake in the direction of the panel 20 at the time of the panel construction, the panel 20 is not fitted on the support leg. It is possible to easily recognize a mismatch between the setting of the support leg 20 and the support leg unit 1.
5) Adjusting the level of the supporting legs
In addition, if necessary, before laying a finishing material such as a tile carpet on the panel upper surface, for example, when performing wiring laying work or when a small step occurs between adjacent mutual panels, etc. The above-described panel height adjustment work may be performed again.
[0048]
Next, the attachment / detachment work of the panel 20 after the laying work of the panel 20 and the support leg 10 will be described in detail below.
The characteristic construction method of the present embodiment lies in the following construction work (see FIG. 14).
1. Construction to detach panels.
The detachment of the panel 20 includes, for example, the transfer or extension of wiring or wiring equipment, or the inspection thereof. In this case, first, after finishing material at a desired position is peeled off, the panel 20 is sequentially and simultaneously removed in one direction (vertical direction or horizontal direction), and the removed panel 20 is, for example, as shown in FIG. Then, it is placed on the side adjacent panel 20 with either the front side or the back side up. At least, it is desirable that the removed panels are sequentially and orderly placed near the removed position.
2. Relocation and expansion of wiring or wiring equipment, and construction of these inspections.
After that, relocation or addition of wiring or wiring equipment, inspection and maintenance of these are performed.
[0049]
3. Installation to re-install panels.
After the above operations are completed, the removed panel 20 is returned to the original position. In this embodiment, however, the position of the removed panel and the position of the panel in the original installation state correspond one-to-one. Then, as described above, for example, the panel 20 can be rotated to change the laying direction, and can be reliably reinstalled at a position where the panel 20 fits on the upper surface of the support leg.
This operation can be reliably performed without making the operator aware of the laying direction of the panel 20. In particular, in the case of the examples shown in FIGS. 1, 3, 4, and 5, for example, the engaging portion structure of the support leg upper surface portion 10a Since the direction of the panel can be recognized only by visual observation of the engagement portion structures 30a, 20c of the panel corners 30b, 30b, 10c, it is possible to re-install the panel more easily and reliably.
This means that not only specialized panel installers, but also electrical installers who install the above wiring, etc., and even non-specialists such as users who perform wiring management and inspection work can easily install panels. This makes it possible to eliminate panel rattling, readjustment, and the like, which are likely to occur when panels are attached and detached.
[0050]
Effect of the embodiment.
(1) The supporting leg structure can be shared and used, and it can be composed of only one type of supporting leg unit 1 and its corresponding panel 20, so that the number of parts can be reduced and the structure can be simplified. This point is significantly different from the prior art.
(2) The structure of the panel 20 can be simplified, the structure can be easily manufactured, and the cost can be reduced.
(3) There is no need for the construction worker to install the support leg unit 1 and the panel 20 while taking the orientation into consideration, and the work can be performed easily and in a short time, so that the construction cost can be reduced. it can.
(4) With the configuration of FIGS. 3, 4, 5, and 6, the panel 20 can be used on both sides.
(5) In the configuration of FIGS. 3 and 4, the bolt portion of the support leg 10 can be shared, and can be dealt with by changing only the upper surface portion 10c including the nut portion 10a and the panel receiving portion 12, and the basic components are as follows. It is possible to share and change only some parts. That is, parts can be saved.
(6) After laying the panel of the double floor structure, it is possible to easily and reliably return the panel once removed to the original laid state.
(7) With respect to this type of double floor structure, conventionally, the panel 10, the support leg unit 1, and the engagement structure between the two have become complicated, which has caused a cost increase factor. The support leg unit 1 can be configured at a low cost with a simple structure without largely changing the basic structure.
(8) When the contractor detaches the panel 20 and puts it back, even if the orientation of the panel 20 is changed by mistake, it does not fit well (the panel floats and rattling occurs), so the operator is easily noticed. The panel arrangement can be easily modified.
[0051]
【The invention's effect】
According to the double floor structure and the construction method of the present invention, the following effects can be obtained.
1. It can be composed of only one type of support leg and its corresponding panel, so that the number of parts can be reduced and the structure can be simplified.
2. The panel structure can be simplified, the structure can be easily manufactured, and the cost can be reduced.
3. The construction worker does not need to perform the installation of the support legs and the panels while considering the orientation, and can perform the construction easily and in a short time, so that the construction cost can be reduced.
4. After the panel is laid, the operation of returning the panel once removed to the original laid state can be simply and reliably performed.
5. When the contractor removes the panel and puts it back, it will not fit well even if the panel direction is changed by mistake (panel floats and rattles), so it can be easily noticed and panel layout Is easy to modify.
[0052]
[Brief description of the drawings]
FIG. 1 is a perspective view of a support leg unit 1 showing a first embodiment of the present invention and an enlarged view of a part of a panel member 20. FIG.
FIG. 2 is a plan view showing a state in which one panel member 20 is engaged with four support leg units 1 shown in FIG.
FIG. 2A is a view showing another embodiment of the structure of the upper surface portion 10a of the support leg unit of FIG. 1 and showing a configuration in which the structure and form of the engaging portion are substantially quadrangular columnar projection structures in plan view.
FIG. 2B is a diagram showing a structure and a configuration of an engaging portion of the upper surface portion 10a structure of the support leg unit of FIG.
FIG. 2C is a diagram showing a configuration in which the structure and form of an engaging portion of the upper surface portion 10a structure of the support leg unit of FIG. 1 is a substantially quarter columnar projection structure in plan view.
FIG. 3 is an enlarged perspective view of a part of a support leg unit 1 and a panel member 20 showing a second embodiment different from FIG. In particular, it is a perspective view of an example in which the sizes of the support leg unit upper surface portions 10b and 10c are different.
FIG. 4 is a side cross-sectional view of FIG. 3, showing an engagement state between the support leg unit 1 and the panel member 20.
FIG. 5 is a perspective view of a support leg unit according to another embodiment of the support leg unit shown in FIG. 3;
FIG. 5A is a partial side sectional view showing a state in which an upper surface portion 10a is screwed into a thick support leg 10 of the support leg unit 1 of FIG.
FIG. 5B is a partial side sectional view showing a state where the upper surface portion 10a is screwed into the thin support leg 10 of the support leg unit 1 of FIG.
FIG. 6 is a plan view showing a state where two panel members 20 are detached from the support leg unit 1 when the support leg unit 1 and the panel member 20 shown in FIGS. FIG.
7 shows another modification of the engagement structure for changing the upper surface portion 10a of the support leg unit 1 shown in FIG. 1, in which twelve panel members 20 are engaged with and installed on 20 support leg units 1. FIG. It is the top view which showed the state.
FIG. 7A is a longitudinal sectional view of another modified example of the support leg unit 1.
FIG. 7B is a plan view of another modification of the upper surface portion 10a of the support leg unit 1.
7C is a plan view of another modification of the panel member 20 of the support leg unit 1. FIG.
FIG. 7D is a cross-sectional view of FIG. 7C as viewed from the AA direction.
8 is a view showing still another example provided with a structure of the upper surface portion 10a different from that of FIG. 7, and is a plan view showing a state in which four panel members 20 are engaged with nine support leg units. It is.
FIG. 8A is a sectional view of still another example of the support leg unit 1.
FIG. 8B is a plan view of an upper surface portion 10a of still another example of the support leg unit 1.
FIG. 8C is a plan view and a side view of the panel member 20, and a cross-sectional view as viewed from the AA direction.
FIG. 9 is a view showing another example having a structure of the upper surface portion 10a different from FIGS. 7 and 8, showing a state in which four panel members 20 are engaged with nine support leg units 1; FIG.
9A is a sectional view of another example of the support leg unit 1. FIG.
FIG. 9B is a plan view showing an upper surface portion 10a in another example of the support leg unit 1.
FIG. 9C is a plan view of the panel member 20 and respective side views thereof.
FIG. 10 is a plan view showing a cornered state when the support leg unit 1 according to the present embodiment is installed on the floor F.
FIG. 11 is a plan view showing an installation method for installing a plurality of support leg units 1 on a floor surface, and a partially enlarged plan view of an upper surface portion 10a.
12 is a side view showing a partial cross section for explaining a method of adjusting the height of the support leg unit 1. FIG.
FIG. 13 is a plan view showing a state where the panel member 20 is installed on the support leg unit 1.
FIG. 14 is a plan view showing a state where four panel members 20 on the support leg unit 1 are detached.
[Explanation of symbols]
1 Support leg unit
5 ・・・・・・・・・・ Base
10. Support leg
10a top surface part
.. 10b, 10c...
10x Tool insertion port
10y Tool
11 ・・・・・・・ Pedestal
12 ・・・・・・・・・・ Panel receiving part
13. Engagement part
20 Panels and panel members
20a ・・・・・・・・・ 4 corners and corners of panel
20b, 20c ..... panel engaging part
30 ......... engagement structure
30a ······· Dent structure
30b ... Projection structure
31b ・・・・・・・・・ Cylindrical projection
31a ·········· Recessed part
32a ... Notch
32b ... Projection
40 ・・・・・・・・・・ Height adjustment mechanism
F · · · · · · floor surface
P ・・・・・・・・・・ Panel before construction
P ₀ ・・・・・・・・・ Panel removed

Claims

A plurality of support legs that are erected at predetermined intervals on the floor surface and have an upper surface portion,
A plurality of panel members laid between the support legs and laid on the support legs and laid on the upper surface portion,
At the time of detaching the panel member after laying, the support legs are separated from each other in a support floor separated double floor structure remaining on the floor surface side,
The upper surface of the support leg and the back surface corner of the panel member have different engagements of a large number of panel member corners assembled on the upper surface so that the laying direction of the panel member is specified. Double floor structure characterized by the structure.

In claim 1,
The double-floor structure, wherein the engaging structure is formed by forming an engaging portion in which an upper surface of the support leg and a corner of the panel engage with each other in a substantially uneven shape.

In claim 1,
In the engagement structure, the support leg upper surface and a corner of each panel member assembled on the support leg are engaged in at least one of a different form, a different size, and a different positional relationship. Characterized by a double floor structure.

On a base installed on the floor surface, a plurality of support legs having a predetermined height adjustment mechanism are erected at predetermined intervals, and above each support leg, a predetermined panel corner to be laid is formed. A support leg unit having a support leg engagement portion to be engaged and installed;
A panel member having a panel engaging portion between the plurality of supporting leg units installed at a predetermined position on the floor surface, the four corner portions being engaged and supported by the respective supporting leg engaging portions,
The support leg unit is configured to collectively engage the plurality of panel corners with the support leg engagement portion and the panel engagement portion, and to support the plurality of panel members on the support leg. In the constructed double floor structure,
Each of the support leg engagement portions has at least one engagement portion formed with an engagement structure different from other engagement portions,
The panel engaging portion is formed of engaging portions having different engaging structures so that four corners thereof correspond to the one engaging portion and the other engaging portion, respectively.
The laying direction of the panel member is specified by the engagement between the supporting leg engaging portion of the different form and the corresponding panel engaging portion of the different form. Floor structure.

(1) erecting a plurality of support legs having a predetermined upper surface on the floor F at predetermined intervals;
(2) arranging a plurality of panel members erected between the standing support legs and mounted on the upper surface of the support legs so as to form a flat floor surface;
(3) the height of the support leg from the floor surface to the upper surface can be adjusted by a predetermined height adjustment member when the support leg is erected or the panel member is disposed;
The height of the support leg is adjusted by the height adjustment member, and after the panel member is provided, even if the panel member is detached from the upper surface of the support leg, the four corners of the panel member and A step (4) in which the corner of the original panel member can be engaged and installed at the original support leg upper surface position before the detachment by the engagement structure with the upper surface portion of the support leg;
The construction method of the double floor structure characterized by having.

In claim 5,
In the step (4), after the panel member is detached from the upper surface of the support leg by the engagement structure, when the panel member is reinstalled, the original position of the upper surface of the support leg before the detachment is not used. If the panel member cannot be engaged and installed, the panel member is re-engaged so that the laying direction of the panel member is constant, and the corner of the panel is returned to the original installation position adapted to the support leg engaging portion. Construction method of double floor structure characterized by matching.

In claim 5 or 6,
In the step (1), when the plurality of support legs are erected on the floor surface F, they are oriented in a common specific direction.
The step (2) corresponds to the direction specified in the step (1) when the plurality of panel members are erected between the standing support legs and placed on the upper surface of the support legs. So that it is arranged in the direction
The installation method of the double floor structure, wherein the installation directions of the plurality of support legs and the plurality of panel members are matched.