JP3768098B2 - Insulation panel joint adjustment device - Google Patents

Insulation panel joint adjustment device Download PDF

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JP3768098B2
JP3768098B2 JP2000385130A JP2000385130A JP3768098B2 JP 3768098 B2 JP3768098 B2 JP 3768098B2 JP 2000385130 A JP2000385130 A JP 2000385130A JP 2000385130 A JP2000385130 A JP 2000385130A JP 3768098 B2 JP3768098 B2 JP 3768098B2
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joint
heat insulating
plate portion
bolt
insulating panel
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JP2001241124A (en
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透 広沢
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Hoshizaki Electric Co Ltd
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Hoshizaki Electric Co Ltd
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Description

【０００１】
【発明の属する技術分野】
本発明は、複数の断熱パネルを連結してプレハブ冷蔵庫等を組み立てる際に各断熱パネル間の目地を調節する断熱パネルの目地調節装置に関し、特に、断熱パネル連結の際にパネル間の目地調節を容易に行うことができる断熱パネルの目地調節装置に関するものである。
【０００２】
【従来の技術】
従来より、プレハブ冷蔵庫等においては、断熱パネルの周縁部に設けられる枠材に凹凸状の接続部が形成され、凹部と他方の断熱パネルの枠材における凸部とを突き合わせ、各枠材に沿って配置される梁材に固定することにより、２つの断熱パネルを密着して連結して、天井パネルを構成している。
例えば、特願平７ー２７１５９６号公報に記載されているプレハブ庫のネジ板付天井パネルでは、外装鋼板と内装鋼板とこれらの周縁部を接続する枠材によって形成される空間に発泡樹脂を注入充填して構成される２つの断熱パネルを各枠材間の凹凸嵌合により接続し、同接続部を梁材によって補強するように構成される。ここに、各断熱パネルにおいて、外装鋼板に形成された通孔の内側には段付ナット部が固着されており、各断熱パネルは、枠材に沿って配置された梁材の固定板部に形成されたボルト孔からボルトを挿通するとともに、段付ナット部に対して締結固定することにより相互に連結され、且つ、梁材に対して固定される。
【０００３】
また、実公昭６３−１５７４６号公報には、２つの各断熱パネルの端面に設けられた凹凸状の嵌合部材を相互に密着した状態で、補強梁取付金具の湾曲状延伸部が補強梁の板状部の両端に形成されたくさび受壁を乗り越えるように、且つ、補強梁取付金具のくさび受壁と補強梁の板状部におけるくさび受壁との間に間隙が形成されるように、補強梁取付金具を各断熱パネルの一面にてボルトとナットを介して固定し、補強梁取付金具のくさび受壁と板状部のくさび受壁との間に形成される間隙にくさびを打ち込むように構成された組立式断熱庫におけるパネル目地部への構造物取付装置が記載されている。かかる構造物取付装置によれば、補強梁取付金具のくさび受壁と補強梁における板状部のくさび受壁との間の間隙に打ち込まれたくさびの作用に基づき、各断熱パネルの嵌合部材は相互に引き寄せられることとなり、相互に隣接する各断熱パネルを強固に接続することが可能となる。
【０００４】
【発明が解決しようとする課題】
しかしながら、特願平７ー２７１５９６号公報に記載されたプレハブ庫のネジ板付天井パネルでは、梁材の固定板部に形成されたボルト孔からボルトを挿通するとともに、外装鋼板の内側に固着された段付ナット部に対して締結固定するだけで各断熱パネルと梁材とを相互に固定しており、また、かかる固定状態で各断熱パネルの枠材相互間に隙間を発生させることなく密着させる必要がある。
このような構成においては、梁材における固定板部に形成されるボルト孔の形成位置と外装鋼板における通孔の形成位置とを、正確に合致させなければならないことから、ボルト孔及び通孔の形成が困難なものとなる。
また、ボルト孔と通孔との位置合わせの容易性を勘案してボルト孔開口径をボルトの径に比して若干大きく形成するのが一般的であるが、前記のように各枠材間で隙間の発生を防止するためにはボルト孔の開口径を一定以上に大きく形成することができず、これより梁材の固定板部に形成されるボルト孔の開口径は小さくせざるを得ないものである。このようにボルト孔を小さく形成せざるを得ないことから、各断熱パネルを梁材に仮固定するに際して、ボルト孔と通孔との位置合わせが極めて困難なものとなる。
更に、特願平７ー２７１５９６号公報のネジ板付天井パネルでは、各断熱パネル間の目地調節するについて特別の構成は何ら設けられておらず、断熱パネルの枠材同士を外力により密着させた状態を保持しつつ梁材の固定板部におけるボルト孔と外装鋼板の通孔とにボルトを挿通し締結固定する作業が必要となり、これより各断熱パネル間の目地調節に時間がかかってしまい、また、目地を確実に調節することができないものである。
また、ボルトの着脱を行う必要性を勘案して、梁材の固定板部に形成されるボルト孔の開口径は一定の範囲で余裕をもってボルト径よりも大きく形成されるが、かかる場合には、ボルト孔の開口径に余裕が設けられることに起因して梁材や断熱パネルに衝撃が加えられた際に、断熱パネル間の目地が拡大してしまう虞がある。
【０００５】
また、実公昭６３−１５７４６号公報に記載されたパネル目地部への構造物取付装置では、断熱パネル間の目地を調節する際に、補強梁取付金具を各断熱パネルの一面にてボルトとナットを介して固定し、補強梁取付金具のくさび受壁と板状部のくさび受壁との間に形成される間隙にくさびが打ち込まれるが、補強梁の板状部に形成されるくさび受壁は、補強梁取付金具のくさび受壁よりも長く形成されており、くさびを打ち込む際には、ハンマ等が板状部のくさび受壁に当たらないようにくさびのみを打ち込む必要がある。かかるくさびの打ち込み作業は極めて煩雑なものであり、目地調節の作業効率は極めて低くなってしまう。
更に、各断熱パネル間の目地を調節するにつき、補強梁、補強梁取付金具及びくさびが必要であり、また、補強梁取付金具は複雑な構造を有しており、これより形状が複雑な部品点数が多くなって製造コストが高くなってしまう。
【０００６】
本発明は前記従来技術の問題点を解消するためになされたものであり、断熱パネルの枠材に沿って傾斜した長孔が形成された平板部を有する目地調節部材を使用することにより、梁材の固定板部に形成されるボルト孔の開口径を大きくしてボルト孔に挿通されるボルトと外装板のナット部との位置合わせを容易に行うことが可能であり、また、平板部の長孔と梁材の固定板部に形成されたボルト孔とにボルトを挿通して位置決めした状態で固定板部の両端縁の立ち上がり部間で目地調節部材を移動させる簡単な作業を行うだけで短時間で且つ確実に断熱パネル間の目地を調節することが可能な断熱パネルの目地調節装置を提供することを目的とする。
【０００７】
【課題を解決するための手段】
前記目的を達成するために、請求項１に係る断熱パネルの目地調節装置は、外装板、内装板、及び、外装板と内装板の周縁部を接続する枠材によって形成される空間内に発泡樹脂を充填してなる断熱パネルと、前記２つの断熱パネルにおける枠材の端面相互を密着させた状態で各枠材に沿って配置される梁材とを有し、前記梁材の固定板部に形成されたボルト孔にボルトを挿通するとともに、前記外装板の内側に固定されたナット部に対して締結固定し、各断熱パネル間の目地を調節する断熱パネルの目地調節装置において、前記固定板部の幅と略同一幅を有する平板部と、その平板部に形成され前記枠材に沿って傾斜した長孔とを有する目地調節部材と、前記梁材の固定板部の両端縁から曲率を有して連続形成されるとともに、前記目地調節部材の平板部を前記梁材の固定板部にまでは落ち込ませず途中で保持する立ち上がり部とを備え、前記各断熱パネルの枠材相互が対向した状態で前記目地調節部材における平板部の長孔及び前記梁材の固定板部における固定板部のボルト孔にボルトを挿通するとともに、ボルトを前記ナット部に位置決めし、前記各立ち上がり部間で枠材に沿って平板部を移動させることにより長孔の傾斜に対応して各断熱パネル間の目地を調節することを特徴とする。
【０００８】
このような特徴を有する請求項１に係る断熱パネルの目地調節装置では、各断熱パネルの枠材相互が対向した状態で、前記目地調節部材における平板部の長孔及び前記梁材の固定板部における固定板部のボルト孔にボルトを挿通してボルトを前記ナット部に位置決めし、各立ち上がり部間で枠材に沿って平板部を移動させることにより長孔の傾斜に対応して各断熱パネル間の目地が調節される。
このとき、目地調節部材の平板部は梁材の固定板部の幅と略同一幅を有しており、固定板部の両端縁に形成された各立ち上がり部の間で枠材に沿って目地調節部材の平板部を移動させると、ナット部に位置決めされたボルトは平板部の移動に基づき長孔の傾斜に沿って移動することとなり、これにより各断熱パネルの枠材の端面は相互に近接して密着される。この結果、各断熱パネル間の目地が調節されるものである。
このように、平板部の長孔と梁材の固定板部に形成されたボルト孔とにボルトを挿通して位置決めした状態で固定板部の両端縁の立ち上がり部間で目地調節部材を移動させる簡単な作業を行うだけで短時間で且つ確実に断熱パネル間の目地を調節することが可能となる。
また、梁材の固定板部と断熱パネルとの位置関係は、目地調節部材の平板部を枠材に沿って移動させることにより調節されるものであることから、当初において固定板部のボルト孔と外装板のナット部とを厳格に位置決めする必要はない。従って、固定板部に形成されるボルト孔の開口径を大きくすることが可能となり、このようにボルト孔の開口径を大きく形成してボルト孔に挿通されるボルトと外装板のナット部との位置合わせを容易に行うことができるものである。
更に、目地調節部材の平板部の幅は、梁材の固定板部の幅と略同一幅に形成されていることから、ボルトをナット部に締結固定した後に断熱パネルや梁材に衝撃が加えられたとしても、目地調節部材が各立ち上がり部間で移動されることはない。従って、目地調節部材を介して一旦調節された断熱パネル間の目地が拡大されることを確実に防止することが可能となる。
そして、前記目地調節部材は、梁材の固定板部の幅と略同一幅を有しており、固定板部の両端縁に形成された各立ち上がり部の間にある。そして、前記立ち上がり部は、前記梁材の固定板部の両端縁から曲率を有して連続形成され、前記目地調節部材の平板部を、前記梁材の固定板部にまでは落ち込ませず途中で保持する。即ち、前記目地調節部材の平板部は、ボルトを固定したとき、立ち上がり部の弾性力によってスプリングワッシャの役割を果たすこととなり、ボルトの緩み止めの効果を発揮する。
【０００９】
また、請求項２に係る断熱パネルの目地調節装置は、請求項１記載の断熱パネルの目地調節装置において、前記枠材に最も近接する長孔の一端部の側における前記平板部の一側端には、上方に折曲された加圧部が設けられていることを特徴とする。
【００１０】
このような特徴を有する請求項２に係る目地調節装置では、請求項１記載の断熱パネルの目地調節装置において、目地調節部材の平板部の一側端に上方に折曲された加圧部が形成されており、かかる加圧部をハンマ等を介して叩打することにより平板部を各立ち上がり部間で枠材に沿って移動させることが可能となる。このとき、加圧部は平板部の一側端で、平板部の幅全体に渡って大きく形成されており、また、平板部は梁材の固定板部の各立ち上がり部間に配置されてハンマ等による叩打を阻害するものは存在しないので、ハンマ等により加圧部を確実に叩打して平板部を簡単に移動させることが可能となる。また、加圧部は枠材に最も近接する長孔の一端部における平板部の一側端に形成されていることから、加圧部を叩打することによりボルトが長孔の傾斜に沿って梁材側に向かって移動し、これに基づきナット部を介してボルトが位置決めされている断熱パネルが梁材側に向かって移動する。これにより各断熱パネル間の目地が調節される。更に、平板部に形成された加圧部は、その折曲部においてリブ効果を発現し、これにより平板部の強度を向上することが可能となる。
【００１１】
また、請求項３に係る断熱パネルの目地調節装置は、請求項２記載の断熱パネルの目地調節装置において、前記加圧部には、前記各立ち上がり部の内、前記枠材から離間する側の一方の立ち上がり部に対応して切欠部が形成されていることを特徴とする。
【００１２】
このような特徴を有する請求項３に係る断熱パネルの目地調節装置では、請求項２記載の断熱パネルの目地調節装置において、枠材から離間する側の一方の立ち上がり部、即ち、外側の立ち上がり部に対応して、加圧部に切欠部が形成されているので、外側の立ち上がり部の加工状態に左右されることなく、例えば、外側の立ち上がり部が枠材側に曲がっている場合においても、平板部の移動が外側の立ち上がり部によって阻害されることはない。これにより、固定板部の各立ち上がり部間で平板部を常時スムーズに移動させることが可能となる。
【００１３】
また、請求項４に係る断熱パネルの目地調節装置は、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、前記長孔の一端部と枠材の近接する他方の立ち上がり部との距離は、前記外装板の内側に固定されたナット部と他方の立ち上がり部の距離と略一致することを特徴とする。
【００１４】
このような特徴を有する請求項４に係る断熱パネルの目地調節装置では、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、梁材に最も近接する長孔の一端部と他方の立ち上がり部との距離が、外装板の内側に固定されたナット部と他方の立ち上がり部との距離と略一致していることから、平板部を移動させて長孔に沿ってボルトを長孔の一端部まで移動させた時点で各断熱パネルの枠材が相互に密着した状態になる。これにより、断熱パネル間の目地調節が完了したことを目視にて確認できる。従って、目視という簡単な確認方法により確実に目地調節の完了を確認でき、作業を容易に行うことができる。
【００１５】
また、請求項５に係る断熱パネルの目地調節装置は、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、前記長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも小さいことを特徴とする。
【００１６】
このような特徴を有する請求項５に係る断熱パネルの目地調節装置では、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、前記長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも小さくなるように形成されている。
これにより、断熱パネルの枠材が、固定板部の枠材に近接する立ち上がり部よりも他方の断熱パネルに近づく方向側にズレた位置にある場合でも、このズレ量が、ナット部と外装板の枠材側周端縁部との距離から、目地調節部材の長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離を引いた寸法以下の場合には、目地調節部材の長孔とナット部とを位置決めして、ボルトを挿通することができるため、平板部を移動させて長孔に沿ってボルトを移動させて各断熱パネルの枠材を相互に密着した状態にできる。また、梁材を断熱パネルの枠材側に移動させることなく目地調節部材の長孔とナット部とを位置決めできるため、各断熱パネルの目地を迅速且つ容易に調節することができる。
【００１７】
また、請求項６に係る断熱パネルの目地調節装置は、請求項５に記載の断熱パネルの目地調節装置において、前記長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも大きいことを特徴とする。
【００１８】
このような特徴を有する請求項６に係る断熱パネルの目地調節装置では、請求項５に記載の断熱パネルの目地調節装置において、前記長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも大きなるように形成されている。
これにより、断熱パネルの枠材が、固定板部の枠材に近接する立ち上がり部よりも他方の断熱パネルから離れる方向側にズレた位置にある場合でも、このズレ量が、目地調節部材の長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離から、ナット部と外装板の枠材側周端縁部との距離を引いた寸法以下の場合には、ボルトを挿通することができるため、平板部を移動させて長孔に沿ってボルトを移動させて各断熱パネルの枠材を相互に密着した状態にできる。従って、梁材を断熱パネルの枠材側に移動させることなく目地調節部材の長孔とナット部とを位置決めできるため、各断熱パネルの目地を迅速且つ容易に調節することができる。
【００１９】
更に、請求項７に係る断熱パネルの目地調節装置は、請求項１乃至請求項６のいずれかに記載の断熱パネルの目地調節装置において、前記長孔の内側には段付き加工が施されていることを特徴とする。
【００２０】
このような特徴を有する請求項７に係る断熱パネルの目地調節装置では、請求項１乃至請求項６のいずれかに記載の断熱パネルの目地調節装置において、目地調節部材の平板部に形成される長孔の内側には段付き加工が施されている。
これにより、梁材における固定板部両端の各立ち上がり部間で平板部を移動させる際に、ボルトを長孔内で段階的に移動させることが可能となり、各断熱パネル間の目地調節を全ての段階において調節位置を逆戻りさせることなく確実に行うことができる。
【００２１】
【発明の実施の形態】
以下、本発明の断熱パネルの目地調節装置について具体化した実施形態を図１乃至図９に基づき図面を参照しつつ詳細に説明する。図１は本実施形態の断熱パネルの目地調節装置を使用したプレハブ冷蔵庫の斜視図である。図２はプレハブ冷蔵庫の天井を構成する断熱パネルの連結部分を拡大した断面図である。図３はかかる連結部分を上から見た平面図であり、便宜のため梁材上部の形状は省略している。図４は断熱パネルの目地調節に有効な目地調節部材の斜視図である。図５は断熱パネルを連結し、目地調節をする手順を表す平面図および断面図である。図６は連続打ち抜き加工によって長孔側面に段付けを施した目地調節部材の斜視図であり、本実施形態の第１変形例である。図７は加圧部の一部に切り欠き部を設けた目地調節部材の斜視図であり、本実施形態の第２変形例である。図８は図７の目地調節部材を断熱パネルの連結部分に設置した状態を表す拡大した断面図である。図９は図７に示す目地調節部材の加圧部の切り欠き部に加え、平板部の端に面取り部を設けた目地調節部材の斜視図であり、本実施形態の第３変形例である。
【００２２】
図１において、断熱パネルの目地調節装置を使用したプレハブ冷蔵庫２１は、断熱パネル２２が複数枚連結され、前面には断熱扉２３が開閉自在に取り付けられている。図１における断熱パネルの目地調節装置を使用したプレハブ冷蔵庫２１の天井は２枚の断熱パネル２２により構成されており、図示しない梁材１に固定されることにより断熱パネルの枠材１４、１５を密着して連結させることにより、断熱性を保持している。
尚、図１では、天井が２枚の断熱パネル２２で構成される場合について図示したが、天井を構成する断熱パネルを支持するための梁材１は、更に大型のプレハブ冷蔵庫において特に需要が多い。
【００２３】
図２において、断熱パネル２２の表面は薄いステンレス板や鋼板等の内装板４及び外装板８で形成されている。この一対の内装板４及び外装板８間の空間の周縁端部は、硬質塩化ビニル製等の樹脂成型品で凸部あるいは凹部を形成した枠材１４、１５で閉塞されている。そして、内装板４及び外装板８、枠材１４、１５で閉塞された空間には発泡樹脂１２が充填されている。また、ネジ板５は、短冊状に切断され中央に円形に打ち出し部を有して両側を屈曲形成された厚板鋼板と、打ち出し部の背面に溶接したナットによりナット部５ａとから構成されている。そして、外装板８に設けた通孔８ａに内方から嵌合されて固定されるものであり、ネジ板５の掛け止め部により枠材１４、１５の内側凹凸部に係合されている。
また、断熱パネル２２を固定する梁材１は、一対の鋼材１０をボルト２とナット３によって一体的に連結したものであり、各鋼材１０はその固定板部１０ｃ（図３参照）の両端縁から連続形成された立ち上がり部１０ａ、１０ｂが所定の曲率を伴って略直角に立ち上がったいわゆるリップ溝形鋼１０を背合わせに連結したものである。梁材１の固定板部１０ｃにはボルト孔１６が設けられており、固定の際、このボルト孔１６を介して梁材１と断熱パネル２２に設けられた通孔８ａ内のナット部５ａにボルト６を固定することにより、梁材１とパネル２２を連結固定する。ボルト６固定の際には、梁材１とボルト６との間に後述の目地調節部材９と平ワッシャ７が挿入される。目地調節部材９は、梁材１を構成するリップ溝形鋼１０の固定板部１０ｃの両端に立設する立ち上がり部１０ａ、１０ｂに填め込まれ設置されるが、リップ溝形鋼１０の角が曲率を有しているため、梁材１の固定板部１０ｃにまでは落ち込まず途中で保持される。この構成によりボルト６を固定したとき、リップ溝形鋼１０の立ち上がり部１０ａ、１０ｂの弾性力がスプリングワッシャの役割を果たすこととなり、ボルト６の緩み止めの効果を有する。また、図３に示すように、梁材１のボルト孔１６はボルト６が目地調節部材９の傾斜した長孔９ｂ上どの位置に来ても支障がないように、長孔９ｂの傾斜幅より大きく開口されている。尚、図２及び図３においては、梁材１の中心に対して左側に目地調節部材９を取り付けた状態を示し、右側は目地調節部材９が取り付けられていない状態を示している。
【００２４】
図４において目地調節部材９を示す。目地調節部材９の平板部９ｃ上には、傾斜した長孔９ｂが開口されており、その幅はボルト６が貫通できる幅に設定されている。傾斜幅は、梁材１のボルト孔１６の開口径とほぼ同じに設定されており、長孔９ｂ全域に渡ってボルト６を移動させることにより目地調節をスムーズに行えるようになっている。また、目地調節部材９を梁材１に設置した時の長孔９ｂの梁材１中央からの最近接距離は、断熱パネル２２が連結された際の梁材１中央から断熱パネル２２のナット部５ａまでの距離と同一に設定されている。目地調節部材９の梁材１に沿った移動方向の一端には、略直角に立ち上がるように折り曲げられた加圧部９ａが構成されている。この加圧部９ａは後述する目地調節の際に、目地調節部材９を移動させるための力点になるとともに、この折曲げ部分がリブ効果を有し、目地調節部材９の強度を保つ役割を有するものである。
【００２５】
次に、図５を参照して断熱パネル２２の梁材１への仮止め、および目地調節方法を説明する。図５左が梁材１と断熱パネル２２との仮止め状態を、図５中央が断熱パネル２２を引き寄せながら目地調節を行っている状態を、図５右が断熱パネル２２が引き寄せられて目地調節が完了した状態を表す。まず、図５左の梁材１と断熱パネル２２との仮止めの際には、両断熱パネル２２間に隙間が空いた状態で梁材１と断熱パネル２２をボルト６にて仮止めをする。仮止めの際には断熱パネル２２間の目地調節は気にする必要がなく、梁材１に設けられたボルト孔１６の開口も大きく形成されているので、梁材１のボルト孔１６とパネル２２内のナット部５ａが嵌合された通孔８ａとの位置合わせは容易であり、更に、目地調節部材９の取付も目地調節部材９を梁材１の立ち上がり部１０ａ、１０ｂに沿って移動させれば、長孔９ｂとの位置合わせも容易に行うことができる。仮止めした状態では、梁材１のボルト孔１６の開口径の長さだけ梁材１に対して断熱パネル２２を移動させることができ、目地調節のための余裕となる。
【００２６】
次に、図５中央では、断熱パネル２２を断熱パネル２２間に隙間を空けて梁材１に仮止めした状態で、目地調節部材９の加圧部９ａをハンマー等で打撃する。目地調節部材９の長孔９ｂを貫いて仮止めされているボルト６を長孔９ｂに沿って梁材１の中央側にシフトさせていくことにより、断熱パネル２２同士を互いに引き寄せながら目地調節を行うものである。左右一対の目地調節部材９を均等に打撃しながら、それぞれの断熱パネル２２のシフト量を調整することができるので、きめ細かい目地調節が可能となる。
左右の断熱パネル２２の目地位置を確認しながら加圧部９ａを打撃していき、最終的に図５右のように長孔９ｂの梁材１からの最近接位置までボルト６が移動した時点で、断熱パネル２２同士は密着して連結された状態となり目地調節が完了する。長孔９ｂ内のボルト６終端位置が断熱パネル２２の連結位置に一致しているので、目視により簡単に終端位置が確認でき、目地調節作業を容易に行うことができる。ボルト６が長孔９ｂの終端位置に移動した後に本止め（ボルト６とナット部５ａとの締結固定）を行うことにより、断熱パネル２２の連結は完了する。
【００２７】
図６は本実施形態の第１変形例である。連続打ち抜き加工によって目地調節部材９１を開口して長孔９１ｂを形成する。その際、長孔９１ｂ側面には段付けが形成されるので、断熱パネル２２の目地調節中にボルト６の位置を保持することができる。目地調節中のボルト６の逆戻り等の位置ズレを防止することができ、段付けの各ステップ毎に確実に断熱パネル２２の引き寄せが可能となる。また、断熱パネル２２連結後にもボルト６が逆戻りすることはなくなるので、時間の経過や外部からの衝撃により目地が緩むことも防止できる。
【００２８】
図７は本実施形態の第２変形例であり、加圧部９２ａの一部に切り欠き部９２ｃを設けた目地調節部材９２である。図８においてこの目地調節部材９２を梁材１に設置する際、切り欠き部９２ｃはリップ溝形鋼１０の立ち上がり部１０ａ（図８中、外側の立ち上がり部）に隣接するように配置する。リップ溝形鋼１０の端部は略直角に屈曲されてはいるものの、精度よく角度付けがなされているわけではなく、図８のように梁材１の中央部に向かって内側に屈曲してしまうこともある。この場合にも目地調節部材９２には切り欠き部９２ｃが設けてあるため、内側に屈曲したリップ溝形鋼１０の立ち上がり部１０ａとは干渉することはなく、目地調節時の目地調節部材９２の移動に支障が生ずることはない。
尚、図８中、他の構成要素については、図２の実施形態と同一であるので、ここでの説明は省略する。
【００２９】
図９は本実施形態の第３変形例であり、目地調節部材９３には切り欠き部９３ｃに加え平板部９３ｅの端に面取り部９３ｄを設けた構造となっている。目地調節の際、目地調節部材９３の移動が滑らかに行えるものである。
【００３０】
以上詳細に説明したとおり、本実施形態に係る断熱パネルの目地調節装置を使用したプレハブ冷蔵庫２１では、断熱パネル２２を使用して天井パネルを構成するに際し、傾斜した長孔９ｂを有する目地調節部材９を介して、リップ溝形鋼１０を背合わせに結合した梁材１に断熱パネル２２をボルト６固定して連結する。ボルト６の仮止め状態にて目地調節部材９を梁材１に沿って移動して長孔９ｂ内でボルト６を移動させることにより、断熱パネル２２同士を徐々に引き寄せて目地調節をすることができる。梁材１と断熱パネル２２との連結を目地調節部材９により行うので、梁材１のボルト孔１６は大きくすることができ、断熱パネル２２の通孔８ａとの位置合わせが容易となる。ボルト６固定後は、梁材１端部の立ち上がり部１０ａ，１０ｂの弾性力により目地調節部材９がスプリングワッシャの役割を果たすことになり、ボルト６の緩み止めの効果も有する。また、梁材１内側の立ち上がり部１０ｂから目地調節部材９の長孔９ｂ内側端部までの距離を断熱パネル２２枠材１４、１５からナット部５ａまでの距離と略一致させておけば、各断熱パネル２２間の目地調節完了時に、ボルト６が長孔９ｂ内側端部に位置することとなり、目地調節の完了を目視にて簡単に確認できる。更に、加圧部９ａの折り曲げ部分がリブ効果を有し、目地調節部材９の強度を保つことができ、目地調節時のボルト６の位置ズレ防止構造を持った目地調節部材９１、梁材１との干渉防止効果を有する目地調節部材９２、９３等も利用できる。
【００３１】
次に、本発明の断熱パネルの目地調節装置について、プレハブ冷蔵庫の組み立てに於いて具体化した他の実施形態を図１０乃至図１５に基づき図面を参照しつつ詳細に説明する。先ず、プレハブ冷蔵庫の概略構成について図１０に基づいて説明する。図１０は他の実施形態に係る断熱パネルの目地調節装置を使用したプレハブ冷蔵庫の斜視図である。
図１０に示すように、プレハブ冷蔵庫１０１は、断熱パネル１０２を複数枚連結することにより構成され、そして、プレハブ冷蔵庫１０１の前面には断熱扉１０３が開閉自在に取り付けられている。また、プレハブ冷蔵庫１０１の天井部を構成する４枚の各前側天井パネル１０２Ａ、１０２Ａ、１０２Ａ、１０２Ａと、４枚の各後側天井パネル１０２Ｂ、１０２Ｂ、１０２Ｂ、１０２Ｂとは、後述の目地調節装置１０４を介して各々前後方向に連結されている（図１１、図１４参照）。
【００３２】
次に、目地調節装置１０４の概略構成について図１１乃至図１３に基づいて説明する。図１１は他の実施形態に係る断熱パネルの目地調節装置１０４の連結部分を示す要部拡大側断面図である。図１２は他の実施形態に係る断熱パネルの目地調節装置１０４の連結部分を示す要部拡大水平断面図である。図１３は他の実施形態に係る断熱パネルの目地調節装置１０４を構成する目地調節部材を示す図で、（Ａ）は平面図、（Ｂ）は正面図である。尚、図１１及び図１２においては、梁材１２０の中心に対して左側に目地調節部材１２８を取り付けた状態を示し、右側は目地調節部材１２８が取り付けられていない状態を示している。
【００３３】
図１１に示すように、前側天井パネル１０２Ａと後側天井パネル１０２Ｂとは、各々表面は薄いステンレス板や鋼板等の内装板１１０及び外装板１１１で形成されている。この一対の内装板１１０及び外装板１１１間の空間の周縁端部は、硬質塩化ビニル製等の樹脂成型品で凸部あるいは凹部を形成した枠材１１２、１１３で閉塞されている。そして、内装板１１０及び外装板１１１、枠材１１２、１１３で閉塞された空間には発泡樹脂１１４が充填されている。また、ネジ板１１５は、短冊状に切断され中央に円形に打ち出し部を有して両側を屈曲形成された厚板鋼板と、打ち出し部の背面に溶接したナットによりナット部１１６とから構成されている。そして、外装板１１１に設けた貫通孔１１８に内方から嵌合されて固定されるものであり、ネジ板１１５の掛け止め部により枠材１１２、１１３の内側凹凸部に係合されている。
【００３４】
また、前側天井パネル１０２Ａと後側天井パネル１０２Ｂとを連結固定する目地調節装置１０４を構成する梁材１２０は、一対の鋼材１２１をボルト１２２とナット１２３によって一体的に連結したものであり、各鋼材１２１はその固定板部１２５（図１２参照）の両端縁から連続形成された立ち上がり部１２１Ａ、１２１Ｂが所定の曲率を伴って略直角に立ち上がったいわゆるリップ溝形鋼１２１を背合わせに連結したものである。梁材１２０の固定板部１２５にはボルト孔１２６が設けられており、固定の際、このボルト孔１２６を介して梁材１２０と各天井パネル１０２Ａ、１０２Ｂに設けられた貫通孔１１８内のナット部１１６にボルト１２７を固定することにより、梁材１２０と各天井パネル１０２Ａ、１０２Ｂを連結固定する。ボルト１２７の固定の際には、梁材１２０とボルト１２７との間に後述の目地調節部材１２８（図１２、図１３参照）と平ワッシャ１２７Ａ（図１２参照）が挿入される。
【００３５】
また、目地調節部材１２８は、梁材１２０を構成するリップ溝形鋼１２１の固定板部１２５の両端に立設する各立ち上がり部１２１Ａ、１２１Ｂに填め込まれて設置されるが、リップ溝形鋼１２１の角が曲率を有しているため、リップ溝形鋼１２１の固定板部１２５までは落ち込まず途中で保持される。この構成によりボルト１２７を締結して固定したとき、リップ溝形鋼１２１の各立ち上がり部１２１Ａ、１２１Ｂからの反発力により目地調節部材１２８の弾性力がスプリングワッシャの役割を果たすこととなり、ボルト１２７の緩み止めの効果を有する。
【００３６】
また、図１２に示すように、目地調節部材１２８の平面部１３０に形成される長孔１２９のリップ溝形鋼１２１の背側の立ち上がり部１２１Ｂに近接する側の一端部と該立ち上がり部１２１Ｂとの距離は、前側天井パネル１０２Ａの外装板１１１の内側に固定されたナット部１１６と該天井パネル１０２Ａの枠材１１３との距離の約１／２倍に形成されている。また、この長孔１２９のリップ溝形鋼１２１の外側の立ち上がり部１２１Ａに近接する側の他端部と該立ち上がり部１２１Ｂとの距離は、前側天井パネル１０２Ａの外装板１１１の内側に固定されたナット部１１６と該天井パネル１０２Ａの枠材１１３との距離の約３／２倍に形成されている。これにより、各リップ溝形鋼１２１、１２１の当接面を形成する各立ち上がり部１２１Ｂ、１２１Ｂが、各枠材１１２、１１３の当接部によって形成される目地１３２の直上に位置するように梁材１２０がボルト１２７で締結固定された場合には、目地調節部材１２８の平面部１３０に形成される長孔１２９の略中央部がナット部１１６に対向している。
また、ボルト孔１２６の直径Ｄ１は、目地調節部材１２８の長孔１２９の両端縁部の前後方向（図１２中、左右方向）の距離Ｌ１にほぼ等しく形成されている。これにより、梁材１２０の各ボルト孔１２６の直径Ｄ１を前側天井パネル１０２Ａの外装板１１１の内側に固定されたナット部１１６と該天井パネル１０２Ａの枠材１１３との距離寸法にほぼ等しく形成でき、ボルト孔１２６を大きく穿設することができ、梁材１２０と各天井パネル１０２Ａ、１０２Ｂの各ナット部１１６との位置合わせを容易に行うことができる。
【００３７】
また、図１３に示すように、目地調節部材１２８の平板部１３０には、上記のように傾斜した長孔１２９が開口されており、その幅はボルト１２７が貫通できる幅に設定されて、長孔１２９全域に渡ってボルト１２７を移動させることでき、これにより目地調節をスムーズに行えるようになっている。また、目地調節部材１２８の梁材１２０に沿った移動方向の一端には、略直角に立ち上がるように折り曲げられた加圧部１３５が構成されている。この加圧部１３５は後述する目地調節の際に、目地調節部材１２８を移動させるための力点になるとともに、この折曲げ部分がリブ効果を有し、目地調節部材１２８の強度を保つ役割を有するものである。
また、この加圧部１３５のリップ溝形鋼１２１の外側の立ち上がり部１２１Ａに隣接する部分には、所定幅寸法で切り欠かれる切欠部１３６が形成されている。これにより、リップ溝形鋼１２１の外側の立ち上がり部１２１Ａが、梁材１２０の中央部に向かって内側に屈曲している場合にも、目地調節部材１２８には切欠部１３６が設けてあるため、内側に屈曲したリップ溝形鋼１２１の立ち上がり部１２１Ａとは干渉することはなく、目地調節時の目地調節部材１２８の移動に支障が生ずることはない。
また、平板部１３０の前側両角部（図１３（Ａ）中、下側両角部）には、各面取り部１３７、１３７が形成されている。これにより、目地調節の際、目地調節部材１２８の移動を滑らかに行うことができる。
【００３８】
次に、各天井パネル１０２Ａ、１０２Ｂの目地調節装置１０４による連結固定の手順について図１４に基づいて説明する。図１４は他の実施形態に係る断熱パネルの目地調節装置１０４による前側天井パネル１０２Ａと後側天井パネル１０２Ｂとの連結固定の手順を示す図で、（Ａ）は各天井パネル１０２Ａ、１０２Ｂの梁材１２０への仮止め状態を示す図、（Ｂ）は各天井パネル１０２Ａ、１０２Ｂを引き寄せながら目地調節を行っている状態を示す図、（Ｃ）は各天井パネル１０２Ａ、１０２Ｂが引き寄せられて目地調節が完了した状態を示す図である。尚、各図１４（Ａ）、（Ｂ）、（Ｃ）の上側の図は目地調節時の要部を示す平面図で、下側の図は目地調節時の要部を示す側断面図である。
【００３９】
図１４（Ａ）に示すように、先ず、各天井パネル１０２Ａ、１０２Ｂの梁材１２０への仮止めは、各天井パネル１０２Ａ、１０２Ｂ間に隙間が空いた状態で梁材１２０と各天井パネル１０２Ａ、１０２Ｂをボルト１２７にて仮止めをする。仮止めの際には各天井パネル１０２Ａ、１０２Ｂ間の目地調節は気にする必要がなく、梁材１２０に設けられたボルト孔１２６の開口も大きく形成されているので、梁材１２０のボルト孔１２６と各天井パネル１０２Ａ、１０２Ｂ内の各ナット部１１６、１１６が嵌合された各貫通孔１１８、１１８との位置合わせは容易であり、更に、目地調節部材１２８の取り付けも目地調節部材１２８を各リップ溝形鋼１２１、１２１の各立ち上がり部１２１Ａ、１２１Ｂに沿って移動させれば、目地調節部材１２８の長孔１２９との位置合わせも容易に行うことができる。また、仮止めした状態では、梁材１２０のボルト孔１２６の開口径の長さだけ梁材１２０に対して各天井パネル１０２Ａ、１０２Ｂを移動させることができ、目地調節のための余裕となる。
【００４０】
次に、図１４（Ｂ）に示すように、各天井パネル１０２Ａ、１０２Ｂ間に隙間を空けて梁材１２０に仮止めした状態で、目地調節部材１２８の加圧部１３５をハンマー等で打撃する。これにより、目地調節部材１２８の長孔１２９を貫いて仮止めされているボルト１２７が長孔１２９に沿って梁材１２０の中央側にシフトするため、前側天井パネル１０２Ａは梁材１２０に対して矢印１４１方向に移動し、後側天井パネル１０２Ｂは梁材１２０に対して矢印１４２方向に移動する。従って、各天井パネル１０２Ａ、１０２Ｂは、ハンマーなどで各目地調節部材１２８の各加圧部１３５、１３５を打撃することによって、各ボルト１２７、１２７を介して互いに梁材１２０の中央側に引き寄せられながら目地調節が行われる。また、各リップ溝形鋼１２１、１２１に仮止めされる左右一対の目地調節部材１２８、１２８を均等に打撃しながら、それぞれの天井パネル１０２Ａ、１０２Ｂの前後方向（図１４中、左右方向）のシフト量を調整することができるので、きめ細かい高精度の目地調節をすることができる。
【００４１】
そして、図１４（Ｃ）に示すように、各天井パネル１０２Ａ、１０２Ｂ間の目地位置を確認しながら各加圧部１３５、１３５を打撃していき、最終的に各ボルト１２７、１２７を各長孔１２９、１２９の略中央位置に移動させる。この場合には、各天井パネル１０２Ａ、１０２Ｂの各枠材１１２、１１３が密着して、目地１３２は、梁材１２０の幅方向中心位置のほぼ真下に位置している。また、各ボルト１２７、１２７は、各ボルト孔１２６、１２６のほぼ中心位置に位置している。そして、各ボルト１２７、１２７の本止め（各ボルト１２７、１２７と各ナット部１１６、１１６との締結固定）を行うことにより、各天井パネル１０２Ａ、１０２Ｂは目地調節装置１０４を介して密着して連結固定された状態となる。従って、目地調節部材１２８の長孔１２９とボルト１２７との位置関係を目視により確認しつつ、目地調節を行うことができ、目地調節作業を容易に行うことができる。
【００４２】
次に、予め天井からフック等で吊ってある梁材１２０と、下から組み上げたプレハブ冷蔵庫１０１の各天井パネル１０２Ａ、１０２Ｂとの間に位置ズレが生じた場合について図１５に基づいて説明する。図１５は他の実施形態に係る断熱パネルの目地調節装置１０４によって、梁材１２０と、下から組み上げたプレハブ冷蔵庫１０１の各天井パネル１０２Ａ、１０２Ｂとの間に位置ズレが生じた場合の連結固定状態を示す図で、（Ａ）は要部を示す平面図、（Ｂ）は要部を示す側断面図である。
【００４３】
図１５に示すように、天井からフック１４５や吊りボルト１４６等によって吊られた梁材１２０と、下から組み上げられた各天井パネル１０２Ａ、１０２Ｂとの間に位置ズレがあっても、梁材１２０の各ボルト孔１２６、１２６の開口径は大きいため、各天井パネル１０２Ａ、１０２Ｂ内の各ナット部１１６、１１６が嵌合された各貫通孔１１８ 、１１８と位置合わせをすることができる。そして、各目地調節部材１２８、１２８を各リップ溝形鋼１２１、１２１の各立ち上がり部１２１Ａ、１２１Ｂに沿って移動させて、各々の長孔１２９、１２９と各貫通孔１１８、１１８とを位置合わせして各ボルト１２７、１２７を仮止めする。その後、各目地調節部材１２８、１２８の各加圧部１３５、１３５をハンマー等で打撃することにより、各天井パネル１０２Ａ、１０２Ｂは梁材１２０側に各々シフトされ、各天井パネル１０２Ａ、１０２Ｂの各枠材１１２、１１３が密着されて各ボルト１２７、１２７が本止めされ、連結固定される。従って、目地１３２は、梁材１２０の幅方向中心位置から前後方向（図１５中、左右方向）にずれた位置の真下に位置している。これにより、天井からフック１４５や吊りボルト１４６等によって吊られた梁材１２０と、下から組み上げられた各天井パネル１０２Ａ、１０２Ｂとの間に位置ズレがあっても、各ボルト孔１２６、１２６の開口径の範囲内の場合には、梁材１２０の吊り位置を修正することなく各天井パネル１０２Ａ、１０２Ｂを連結固定することができる。
【００４４】
以上詳細に説明した通り、他の実施形態に係る断熱パネルの目地調節装置１０４では、目地調節部材１２８の平面部１３０に形成される長孔１２９のリップ溝形鋼１２１の背側の立ち上がり部１２１Ｂに近接する側の一端部と該立ち上がり部１２１Ｂとの距離は、前側天井パネル１０２Ａの外装板１１１の内側に固定されたナット部１１６と該天井パネル１０２Ａの枠材１１３との距離の約１／２倍に形成されている。また、この長孔１２９のリップ溝形鋼１２１の外側の立ち上がり部１２１Ａに近接する側の他端部と該立ち上がり部１２１Ｂとの距離は、前側天井パネル１０２Ａの外装板１１１の内側に固定されたナット部１１６と該天井パネル１０２Ａの枠材１１３との距離の約３／２倍に形成されている。また、ボルト孔１２６の直径Ｄ１は、目地調節部材１２８の長孔１２９の両端縁部の前後方向の距離Ｌ１にほぼ等しく形成されている。
そして、各天井パネル１０２Ａ、１０２Ｂの連結固定の手順は、先ず、梁材１２０の各ボルト孔１２６、１２６と、各天井パネル１０２Ａ、１０２Ｂ内の各ナット部１１６、１１６が嵌合された各貫通孔１１８ 、１１８との位置合わせをする。そして、各目地調節部材１２８、１２８を各リップ溝形鋼１２１、１２１の各立ち上がり部１２１Ａ、１２１Ｂに沿って移動させて、各々の長孔１２９、１２９と各貫通孔１１８、１１８とお位置を合わせ、各ボルト１２７、１２７を仮止めする。その後、各目地調節部材１２８、１２８の各加圧部１３５、１３５をハンマー等で打撃して、各天井パネル１０２Ａ、１０２Ｂを梁材１２０側に各々シフトさせ、各天井パネル１０２Ａ、１０２Ｂの各枠材１１２、１１３を密着させ、各ボルト１２７、１２７を本止めする。
【００４５】
したがって、目地調節部材１２８の長孔１２９と梁材１２０の固定板部１２５に形成されたボルト孔１２６とにボルト１２７を挿通して位置決めした状態で固定板部１２５の両端縁の各立ち上がり部１２１Ａ、１２１Ｂ間で目地調節部材１２８を移動させる簡単な作業を行うだけで短時間で且つ確実に各天井パネル１０２Ａ、１０２Ｂ間の目地１３２を調節することが可能となる。
また、梁材１２０の固定板部１２５と各天井パネル１０２Ａ、１０２Ｂとの位置関係は、目地調節部材１２８を枠材１２０に沿って移動させることにより調節されるものであることから、当初において固定板部１２５のボルト孔１２６と外装板１１１のナット部１１６とを厳格に位置決めする必要はない。従って、固定板部１２５に形成されるボルト孔１２６の開口径を大きくすることが可能となり、このようにボルト孔１２６の開口径を大きく形成して挿通されるボルト１２７と外装板１１１のナット部１１６との位置合わせを容易に行うことができる。
また、目地調節部材１２８の平板部１３０の幅は、梁材１２０の固定板部１２５の幅と略同一幅に形成されていることから、ボルト１２７をナット部１１６に締結固定した後に各天井パネル１０２Ａ、１０２Ｂや梁材１２０に衝撃が加えられたとしても、目地調節部材１２８が各立ち上がり部１２１Ａ、１２１Ｂ間で移動されることはない。従って、目地調節部材１２８を介して一旦調節された各天井パネル１０２Ａ、１０２Ｂ間の目地１３２が拡大されることを確実に防止することができる。
また、目地調節部材１２８の平板部１３０の一側端に上方に折曲された加圧部１３５が形成されており、かかる加圧部１３５をハンマ等を介して叩打することにより目地調節部材１２８を各立ち上がり部１２１Ａ、１２１Ｂ間で枠材１２０に沿って移動させることが可能となる。また、加圧部１３５は枠材１２０に最も近接する長孔１２９の一端部における平板部１３０の一側端に形成されていることから、加圧部１３５を叩打することによりボルト１２７が長孔１２９の傾斜に沿って梁材１２０側に向かって移動し、これに基づきナット部１１６を介してボルト１２７が位置決めされている各天井パネル１０２Ａ、１０２Ｂが梁材１２０側に向かって移動して、各天井パネル１０２Ａ、１０２Ｂ間の目地１３２が調節される。更に、平板部１３０に形成された加圧部１３５は、その折曲部においてリブ効果を発現し、これにより目地調節部材１２８の強度を向上することができる。
また、枠材１２０の外側の立ち上がり部１２１Ａに対応して、加圧部１３５に切欠部１３６が形成されているので、外側の立ち上がり部１２１Ａの加工状態に左右されることなく、例えば、外側の立ち上がり部１２１Ａが枠材１２０側に曲がっている場合においても、目地調節部材１２８の移動が外側の立ち上がり部１２１Ａによって阻害されることはない。これにより、固定板部１２５の各立ち上がり部１２１Ａ、１２１Ｂ間で目地調節部材１２８を常時スムーズに移動させることが可能となる。
また、天井からフック１４５や吊りボルト１４６等によって吊られた梁材１２０と、下から組み上げられた各天井パネル１０２Ａ、１０２Ｂとの間に位置ズレがあっても、各ボルト孔１２６、１２６の開口径の範囲内の場合には、梁材１２０の吊り位置を修正することなく各天井パネル１０２Ａ、１０２Ｂを連結固定することができる。
更に、各天井パネル１０２Ａ、１０２Ｂ間の連結の際にパネル間の目地調節を容易に行うことができる断熱パネルの目地調節装置１０４によってプレハブ冷蔵庫１０１が組み立てられるため、プレハブ冷蔵庫１０１の組み立て作業効率の向上及び納期の短縮化を図ることができる。
【００４６】
尚、本発明は前記各実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲内で種々の改良、変形が可能であることは言うまでもない。例えば、前記各実施形態においては、各梁材１、１２０に各々リップ溝形鋼１０、１２１を使用しているが、この他にも、本発明に係る各目地調節部材９、１２８を使用した断熱パネル目地調節機構を実現できる類似形状であれば利用可能である。また、材質についてもステンレス材や鋼材に限らず、アルミの押し出し成型品などでもよい。
【００４７】
【発明の効果】
以上説明したとおり、請求項１に係る断熱パネルの目地調節装置では、各断熱パネルの枠材相互が対向した状態で、前記目地調節部材における平板部の長孔及び前記梁材の固定板部における固定板部のボルト孔にボルトを挿通してボルトを前記ナット部に位置決めし、各立ち上がり部間で枠材に沿って平板部を移動させることにより長孔の傾斜に対応して各断熱パネル間の目地が調節される。
このとき、目地調節部材の平板部は梁材の固定板部の幅と略同一幅を有しており、固定板部の両端縁に形成された各立ち上がり部の間で枠材に沿って目地調節部材の平板部を移動させると、ナット部に位置決めされたボルトは平板部の移動に基づき長孔の傾斜に沿って移動することとなり、これにより各断熱パネルの枠材の端面は相互に近接して密着される。この結果、各断熱パネル間の目地が調節されるものである。
このように、平板部の長孔と梁材の固定板部に形成されたボルト孔とにボルトを挿通して位置決めした状態で固定板部の両端縁の立ち上がり部間で目地調節部材を移動させる簡単な作業を行うだけで短時間で且つ確実に断熱パネル間の目地を調節することが可能な断熱パネルの目地調節装置を提供することができる。
また、梁材の固定板部と断熱パネルとの位置関係は、目地調節部材の平板部を枠材に沿って移動させることにより調節されるものであることから、当初において固定板部のボルト孔と外装板のナット部とを厳格に位置決めする必要はない。従って、固定板部に形成されるボルト孔の開口径を大きくすることが可能となり、このようにボルト孔の開口径を大きく形成してボルト孔に挿通されるボルトと外装板のナット部との位置合わせを容易に行うことができる断熱パネルの目地調節装置を提供することができる。
更に、目地調節部材の平板部の幅は、梁材の固定板部の幅と略同一幅に形成されており、立ち上がり部は、前記梁材の固定板部の両端縁から曲率を有して連続形成され、目地調節部材の平板部を、前記梁材の固定板部にまでは落ち込ませず途中で保持するので、ボルトをナット部に締結固定した後に断熱パネルや梁材に衝撃が加えられたとしても、ボルトが緩んでしまうこともなく、目地調節部材が各立ち上がり部間で移動されることもない。従って、目地調節部材を介して一旦調節された断熱パネル間の目地が拡大されることを確実に防止することが可能な断熱パネルの目地調節装置を提供することができる。
【００４８】
また、請求項２に係る断熱パネルの目地調節装置では、請求項１記載の断熱パネルの目地調節装置において、目地調節部材の平板部の一側端に上方に折曲された加圧部が形成されており、かかる加圧部をハンマ等を介して叩打することにより平板部を各立ち上がり部間で枠材に沿って移動させることが可能な断熱パネルの目地調節装置を提供することができる。また、加圧部は平板部の一側端で、平板部の幅全体に渡って大きく形成されており、平板部は梁材の固定板部の各立ち上がり部間に配置されてハンマ等による叩打を阻害するものは存在しないので、ハンマ等により加圧部を確実に叩打して平板部を簡単に移動させることが可能な断熱パネルの目地調節装置を提供することができる。また、加圧部は枠材に最も近接する長孔の一端部における平板部の一側端に形成されていることから、加圧部を叩打することによりボルトが長孔の傾斜に沿って梁材側に向かって移動し、これに基づきナット部を介してボルトが位置決めされている断熱パネルが梁材側に向かって移動するため、各断熱パネル間の目地を容易に調節できる断熱パネルの目地調節装置を提供することができる。更に、平板部に形成された加圧部は、その折曲部においてリブ効果を発現するため、目地調節部材の強度を向上することが可能な断熱パネルの目地調節装置を提供することができる。
【００４９】
また、請求項３に係る断熱パネルの目地調節装置では、請求項２記載の断熱パネルの目地調節装置において、枠材から離間する側の一方の立ち上がり部、即ち、外側の立ち上がり部に対応して、加圧部に切欠部が形成されているので、外側の立ち上がり部の加工状態に左右されることなく、例えば、外側の立ち上がり部が枠材側に曲がっている場合においても、平板部の移動が外側の立ち上がり部によって阻害されることはない。これより、固定板部の各立ち上がり部間で平板部を常時スムーズに移動させることが可能な断熱パネルの目地調節装置を提供することができる。
【００５０】
また、請求項４に係る断熱パネルの目地調節装置では、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、梁材に最も近接する長孔の一端部と他方の立ち上がり部との距離が、外装板の内側に固定されたナット部と他方の立ち上がり部との距離と略一致していることから、平板部を移動させて長孔に沿ってボルトを長孔の一端部まで移動させた時点で各断熱パネルの枠材が相互に密着した状態になる。これにより、断熱パネル間の目地調節が完了したことを目視という簡単な確認方法により確実に確認でき、作業を容易に行うことができる断熱パネルの目地調節装置を提供することができる。
【００５１】
また、請求項５に係る断熱パネルの目地調節装置では、請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置において、前記長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも小さくなるように形成されている。
これにより、断熱パネルの枠材が、固定板部の枠材に近接する立ち上がり部よりも他方の断熱パネルに近づく方向側にズレた位置にある場合でも、このズレ量が、ナット部と外装板の枠材側周端縁部との距離から、目地調節部材の長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離を引いた寸法以下の場合には、目地調節部材の長孔とナット部とを位置決めして、ボルトを挿通することができるため、平板部を移動させて長孔に沿ってボルトを移動させて各断熱パネルの枠材を相互に密着した状態にできる。したがって、梁材を断熱パネルの枠材側に移動させることなく目地調節部材の長孔とナット部とを位置決めできるため、各断熱パネルの目地を迅速且つ容易に調節することができる断熱パネルの目地調節装置を提供することができる。
【００５２】
また、請求項６に係る断熱パネルの目地調節装置では、請求項５に記載の断熱パネルの目地調節装置において、前記長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも大きなるように形成されている。
これにより、断熱パネルの枠材が、固定板部の枠材に近接する立ち上がり部よりも他方の断熱パネルから離れる方向側にズレた位置にある場合でも、このズレ量が、目地調節部材の長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離から、ナット部と外装板の枠材側周端縁部との距離を引いた寸法以下の場合には、ボルトを挿通することができるため、平板部を移動させて長孔に沿ってボルトを移動させて各断熱パネルの枠材を相互に密着した状態にできる。従って、梁材を断熱パネルの枠材側に移動させることなく目地調節部材の長孔とナット部とを位置決めできるため、各断熱パネルの目地を迅速且つ容易に調節することができる断熱パネルの目地調節装置を提供することができる。
【００５３】
更に、請求項７に係る断熱パネルの目地調節装置では、請求項１乃至請求項６のいずれかに記載の断熱パネルの目地調節装置において、目地調節部材の平板部に形成される長孔の内側には段付き加工が施されている。
これにより、梁材における固定板部両端の各立ち上がり部間で平板部を移動させる際に、ボルトを長孔内で段階的に移動させることが可能となり、各断熱パネル間の目地調節を全ての段階において調節位置を逆戻りさせることなく確実に行うことができる断熱パネルの目地調節装置を提供することができる。
【図面の簡単な説明】
【図１】 本実施形態の断熱パネルの目地調節装置を使用したプレハブ冷蔵庫の斜視図である。
【図２】 プレハブ冷蔵庫の天井を構成する断熱パネルを本実施形態に係る断熱パネルの目地調節装置により連結した連結部分を拡大した断面図である。
【図３】 図２における連結部分を上から見た平面図であり、便宜のため梁材上部の形状は省略されているものである。
【図４】 本実施形態に係る断熱パネルの目地調節装置を構成する目地調節部材の斜視図である。
【図５】 本実施形態に係る断熱パネルの目地調節装置による断熱パネルを連結固定し、目地調節をする手順を表す平面図及び断面図である。
【図６】 本実施形態の第１変形例である連続打ち抜き加工によって長孔側面に段付けを施した目地調節部材の斜視図である。
【図７】 本実施形態の第２変形例である加圧部の一部に切り欠き部を設けた目地調節部材の斜視図である。
【図８】 図７の目地調節部材を断熱パネルの連結部分に設置した状態を表す拡大した断面図である。
【図９】 本実施形態の第３変形例である切り欠き部と平板部端の面取り部を設けた目地調節部材の斜視図である。
【図１０】 他の実施形態に係る断熱パネルの目地調節装置を使用したプレハブ冷蔵庫の斜視図である。
【図１１】 他の実施形態に係る断熱パネルの目地調節装置の連結部分を示す要部拡大側断面図である。
【図１２】 他の実施形態に係る断熱パネルの目地調節装置の連結部分を示す要部拡大水平断面図である。
【図１３】 他の実施形態に係る断熱パネルの目地調節装置を構成する目地調節部材を示す図で、（Ａ）は平面図、（Ｂ）は正面図である。
【図１４】 他の実施形態に係る断熱パネルの目地調節装置による前側天井パネルと後側天井パネルとの連結固定の手順を示す図で、（Ａ）は各天井パネルの梁材への仮止め状態を示す図、（Ｂ）は各天井パネルを引き寄せながら目地調節を行っている状態を示す図、（Ｃ）は各天井パネルが引き寄せられて目地調節が完了した状態を示す図である。
【図１５】 他の実施形態に係る断熱パネルの目地調節装置によって、梁材と、下から組み上げたプレハブ冷蔵庫の各天井パネルとの間に位置ズレが生じた場合の連結固定状態を示す図で、（Ａ）は要部を示す平面図、（Ｂ）は要部を示す側断面図である。
【符号の説明】
１、１２０ 梁材
４、１１０ 内装板
８、１１１ 外装板
５、１１５ ネジ板
５ａ、１１６ ナット部
６、１２７ ボルト
９、９１、９２、９３、１２８ 目地調節部材、
９ａ、９１ａ、９２ａ、９３ａ、１３５ 加圧部
９２ｃ、９３ｃ、１３６ 切り欠き部
９ｂ、９１ｂ、９２ｂ、９３ｂ、１２９ 長孔
１０、１２１ リップ溝形鋼
１０ａ、１０ｂ、１２１Ａ、１２１Ｂ 立ち上がり部
１０ｃ、１２５ 固定板部
１２、１１４ 発泡樹脂
１４、１５、１１２、１１３ 枠材
１６、１２６ ボルト孔
２１、１０１ プレハブ冷蔵庫
２２、１０２ 断熱パネル
９３ｄ 面取り部
１０２Ａ 前側天井パネル
１０２Ｂ 後側天井パネル[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint adjuster for a heat insulation panel that adjusts joints between the heat insulation panels when assembling a prefabricated refrigerator or the like by connecting a plurality of heat insulation panels, and in particular, adjusting joints between the panels when connecting the heat insulation panels. The present invention relates to a joint adjusting device for a heat insulating panel that can be easily performed.
[0002]
[Prior art]
Conventionally, in a prefabricated refrigerator or the like, an uneven connection portion is formed in a frame member provided at a peripheral portion of a heat insulating panel, and a concave portion and a convex portion in a frame member of the other heat insulating panel are abutted to each other along the frame material. By fixing it to the beam members arranged in such a manner, the two heat insulation panels are brought into close contact with each other to constitute a ceiling panel.
For example, in a prefabricated ceiling panel with a screw plate described in Japanese Patent Application No. 7-271596, a foamed resin is injected and filled into a space formed by an exterior steel plate, an interior steel plate, and a frame material connecting these peripheral portions. The two heat insulation panels configured as described above are connected by uneven fitting between the frame members, and the connection part is configured to be reinforced with a beam material. Here, in each heat insulation panel, a stepped nut portion is fixed inside a through hole formed in the exterior steel plate, and each heat insulation panel is attached to a fixed plate portion of the beam material arranged along the frame material. The bolts are inserted through the formed bolt holes, and are connected to each other by being fastened and fixed to the stepped nut portion, and are fixed to the beam material.
[0003]
Further, in Japanese Utility Model Publication No. 63-15746, the curved extending portion of the reinforcing beam mounting bracket is made of a reinforcing beam in a state where the concave and convex fitting members provided on the end faces of the two heat insulating panels are in close contact with each other. In order to get over the wedge receiving walls formed at both ends of the plate-like part, and so that a gap is formed between the wedge receiving wall of the reinforcing beam mounting bracket and the wedge receiving wall in the plate-like part of the reinforcing beam, Fix the reinforcing beam mounting bracket on one side of each insulation panel with bolts and nuts, and drive the wedge into the gap formed between the wedge receiving wall of the reinforcing beam mounting bracket and the wedge receiving wall of the plate-like part. The structure attachment apparatus to the panel joint part in the assembly-type heat insulating cabinet comprised in 1 is described. According to such a structure mounting apparatus, the fitting member of each heat insulation panel is based on the action of the wedge driven into the gap between the wedge receiving wall of the reinforcing beam mounting bracket and the wedge receiving wall of the plate-like portion in the reinforcing beam. Are attracted to each other, and it is possible to firmly connect the heat insulating panels adjacent to each other.
[0004]
[Problems to be solved by the invention]
However, in the ceiling panel with a screw plate of the prefabricated warehouse described in Japanese Patent Application No. 7-271596, the bolt is inserted from the bolt hole formed in the fixed plate portion of the beam material and is fixed to the inside of the exterior steel plate. Each heat insulation panel and the beam material are fixed to each other simply by fastening and fixing to the stepped nut portion, and in this fixed state, the heat insulation panel is closely attached without generating a gap between the frame materials. There is a need.
In such a configuration, the position of the bolt hole formed in the fixed plate portion of the beam material and the position of the through hole formation in the exterior steel plate must be accurately matched. It becomes difficult to form.
In general, the bolt hole opening diameter is slightly larger than the bolt diameter in consideration of the ease of alignment between the bolt hole and the through hole. In order to prevent the formation of gaps, the bolt hole opening diameter cannot be made larger than a certain value, and the bolt hole opening diameter formed in the fixed plate portion of the beam material must be made smaller. There is nothing. Since the bolt holes must be formed in this manner, it is extremely difficult to align the bolt holes and the through holes when temporarily fixing each heat insulating panel to the beam material.
Furthermore, in the ceiling panel with a screw plate disclosed in Japanese Patent Application No. 7-271596, no special configuration is provided for adjusting joints between the respective heat insulation panels, and the frame materials of the heat insulation panels are brought into close contact with each other by an external force. It is necessary to insert the bolts into the bolt holes in the fixing plate portion of the beam material and the through holes of the exterior steel plate while fastening the bolts, and it takes time to adjust the joints between the heat insulating panels. The joint cannot be adjusted reliably.
Also, considering the necessity of attaching and detaching the bolt, the opening diameter of the bolt hole formed in the fixed plate portion of the beam material is formed to be larger than the bolt diameter with a margin within a certain range. When the impact is applied to the beam member or the heat insulation panel due to the provision of a margin in the opening diameter of the bolt hole, the joint between the heat insulation panels may be enlarged.
[0005]
Moreover, in the structure attachment apparatus to the panel joint part described in Japanese Utility Model Publication No. 63-15746, when adjusting the joint between the heat insulation panels, the reinforcing beam attachment metal fittings are bolts and nuts on one surface of each heat insulation panel. The wedge is driven into the gap formed between the wedge receiving wall of the reinforcing beam mounting bracket and the wedge receiving wall of the plate-like part, but the wedge receiving wall formed on the plate-like part of the reinforcing beam Is formed longer than the wedge receiving wall of the reinforcing beam mounting bracket, and when driving the wedge, it is necessary to drive only the wedge so that the hammer or the like does not hit the wedge receiving wall of the plate-like portion. Such a wedge driving operation is extremely complicated, and the work efficiency of joint adjustment becomes extremely low.
Furthermore, in order to adjust the joints between the respective heat insulation panels, a reinforcing beam, a reinforcing beam mounting bracket and a wedge are required, and the reinforcing beam mounting bracket has a complicated structure, and a component with a more complicated shape than this. The number of points increases and the manufacturing cost increases.
[0006]
The present invention has been made to solve the above-described problems of the prior art, and by using a joint adjusting member having a flat plate portion in which long holes inclined along the frame material of the heat insulating panel are formed. It is possible to easily align the bolt inserted through the bolt hole with the nut portion of the exterior plate by increasing the opening diameter of the bolt hole formed in the fixed plate portion of the material. Simply move the joint adjustment member between the rising parts at both ends of the fixed plate part with the bolt inserted through the long hole and the bolt hole formed in the fixed plate part of the beam. An object of the present invention is to provide a joint adjusting device for a heat insulating panel capable of adjusting the joint between the heat insulating panels in a short time and surely.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, a joint adjusting device for a heat insulating panel according to claim 1 is foamed in a space formed by an exterior plate, an interior plate, and a frame member connecting the periphery of the exterior plate and the interior plate. A heat insulating panel filled with resin, and a beam member arranged along each frame member in a state in which the end surfaces of the frame members in the two heat insulating panels are in close contact with each other, and the fixing plate portion of the beam member In the joint adjusting device for the heat insulating panel, the bolt is inserted into the bolt hole formed in the outer plate and fastened to the nut portion fixed to the inside of the exterior plate to adjust the joint between the heat insulating panels. A joint adjustment member having a flat plate portion having substantially the same width as the width of the plate portion, a long hole formed in the flat plate portion and inclined along the frame member, and a curvature from both ends of the fixed plate portion of the beam material And continuously forming the joint tone The flat plate portion of the member to the fixing plate portion of the beam member Hold until you are not depressed And a bolt is inserted into the long hole of the flat plate portion of the joint adjusting member and the bolt hole of the fixing plate portion of the fixing member of the beam member in a state where the frame members of the heat insulating panels face each other. The bolt is positioned on the nut portion, and the flat plate portion is moved along the frame material between the rising portions, thereby adjusting the joints between the heat insulating panels corresponding to the inclination of the long holes. .
[0008]
In the joint adjusting device for a heat insulating panel according to claim 1 having such a feature, the long hole of the flat plate portion and the fixing plate portion of the beam member in the joint adjusting member in a state where the frame members of each heat insulating panel face each other. Each heat insulation panel corresponds to the inclination of the long hole by inserting the bolt into the bolt hole of the fixed plate portion in the position, positioning the bolt to the nut portion, and moving the flat plate portion along the frame material between the rising portions. The joints in between are adjusted.
At this time, the flat plate portion of the joint adjusting member has substantially the same width as the width of the fixed plate portion of the beam material, and the joint portion is formed along the frame material between the rising portions formed at both end edges of the fixed plate portion. When the flat plate portion of the adjusting member is moved, the bolts positioned on the nut portion move along the inclination of the long hole based on the movement of the flat plate portion, so that the end surfaces of the frame members of the heat insulating panels are close to each other. And are in close contact. As a result, the joint between each heat insulation panel is adjusted.
In this way, the joint adjustment member is moved between the rising portions at both ends of the fixed plate portion in a state where the bolt is inserted and positioned in the long hole of the flat plate portion and the bolt hole formed in the fixed plate portion of the beam member. It is possible to adjust the joints between the heat insulation panels in a short time and with a simple operation.
In addition, since the positional relationship between the fixed plate portion of the beam material and the heat insulating panel is adjusted by moving the flat plate portion of the joint adjusting member along the frame material, the bolt hole of the fixed plate portion is initially set. It is not necessary to strictly position the nut portion of the exterior plate. Therefore, it is possible to increase the opening diameter of the bolt hole formed in the fixed plate portion. Thus, the bolt hole having a large opening diameter and the bolt inserted into the bolt hole and the nut portion of the exterior plate are formed. The alignment can be easily performed.
Furthermore, since the width of the flat plate portion of the joint adjusting member is formed to be substantially the same as the width of the fixing plate portion of the beam material, an impact is applied to the heat insulation panel and the beam material after the bolt is fastened to the nut portion. Even if it is made, the joint adjusting member is not moved between the rising portions. Accordingly, it is possible to reliably prevent the joint between the heat insulation panels once adjusted through the joint adjusting member from being enlarged.
The joint adjusting member has substantially the same width as the width of the fixed plate portion of the beam material, and is between the rising portions formed at both end edges of the fixed plate portion. The rising portion is continuously formed with curvature from both ends of the fixing plate portion of the beam material, and the flat plate portion of the joint adjusting member is used as the fixing plate portion of the beam material. Until then, hold on the way. That is, the flat plate portion of the joint adjusting member is a bolt. When fixing Elastic force of rising part By It will play the role of a spring washer, and will exhibit the effect of locking the bolts.
[0009]
Further, the joint adjusting device for a heat insulating panel according to claim 2 is the joint adjusting device for a heat insulating panel according to claim 1, wherein one side end of the flat plate portion on one end side of the long hole closest to the frame member. Is provided with a pressurizing part bent upward.
[0010]
In the joint adjusting device according to claim 2 having such characteristics, in the joint adjusting device for a heat insulating panel according to claim 1, a pressurizing portion bent upward at one side end of the flat plate portion of the joint adjusting member is provided. The flat plate portion can be moved along the frame material between the rising portions by hitting the pressure portion through a hammer or the like. At this time, the pressurizing portion is formed at one side end of the flat plate portion and is formed to be large over the entire width of the flat plate portion, and the flat plate portion is disposed between the rising portions of the fixed plate portion of the beam material. Since there is nothing that impedes tapping by, for example, it is possible to easily move the flat plate portion by reliably tapping the pressing portion with a hammer or the like. In addition, since the pressurizing part is formed at one side end of the flat plate part at one end part of the long hole closest to the frame member, the bolts can be moved along the inclination of the long hole by hitting the pressurizing part. The heat insulation panel in which the bolt is positioned through the nut portion is moved toward the beam side based on the movement toward the material side. Thereby, the joint between each heat insulation panel is adjusted. Furthermore, the pressurization part formed in the flat plate part exhibits a rib effect in the bent part, and thereby the strength of the flat plate part can be improved.
[0011]
Further, the joint adjusting device for a heat insulating panel according to claim 3 is the joint adjusting device for a heat insulating panel according to claim 2, wherein the pressurizing portion is provided on the side of the rising portion that is separated from the frame material. A notch is formed corresponding to one rising portion.
[0012]
In the joint adjusting device for a heat insulating panel according to claim 3 having such a feature, in the joint adjusting device for a heat insulating panel according to claim 2, one rising portion on the side separated from the frame member, that is, the outer rising portion. Correspondingly, since the notch is formed in the pressurizing part, without depending on the processing state of the outer rising part, for example, even when the outer rising part is bent to the frame material side, The movement of the flat plate portion is not hindered by the outer rising portion. Thereby, it becomes possible to always move the flat plate portion smoothly between the rising portions of the fixed plate portion.
[0013]
In addition, the joint adjusting device for a heat insulating panel according to claim 4 is the joint adjusting device for a heat insulating panel according to any one of claims 1 to 3, wherein the one end of the elongated hole and the other of the frame material adjacent to each other. The distance from the rising portion is substantially the same as the distance between the nut portion fixed inside the exterior plate and the other rising portion.
[0014]
The joint adjusting device for a heat insulating panel according to claim 4 having such a feature is the joint adjusting device for a heat insulating panel according to any one of claims 1 to 3, wherein one end of the long hole closest to the beam member. Since the distance between the part and the other rising part is substantially the same as the distance between the nut part fixed to the inside of the exterior plate and the other rising part, the flat plate part is moved and the bolt is moved along the long hole. When the frame is moved to one end of the long hole, the frame materials of the heat insulation panels are in close contact with each other. Thereby, it can confirm visually that the joint adjustment between heat insulation panels is completed. Therefore, the completion of joint adjustment can be reliably confirmed by a simple confirmation method of visual observation, and the work can be easily performed.
[0015]
Moreover, the joint adjusting device of the heat insulation panel which concerns on Claim 5 is a joint adjusting device of the heat insulating panel in any one of Claim 1 thru | or 3. WHEREIN: The one end part nearest to the frame material of the said long hole, and the said The distance between the fixed plate portion and the rising portion adjacent to the frame material is smaller than the distance between the nut portion and the frame material side peripheral edge of the exterior plate.
[0016]
The joint adjusting device for a heat insulating panel according to claim 5 having such characteristics is the joint adjusting device for a heat insulating panel according to any one of claims 1 to 3, and is closest to the frame material of the long hole. The distance between the one end portion and the rising portion adjacent to the frame material of the fixed plate portion is formed to be smaller than the distance between the nut portion and the frame material side peripheral edge portion of the exterior plate.
Thereby, even when the frame material of the heat insulating panel is in a position shifted to the direction closer to the other heat insulating panel than the rising portion adjacent to the frame material of the fixed plate portion, the amount of deviation is determined between the nut portion and the outer plate. Less than or equal to the dimension obtained by subtracting the distance between the one end portion closest to the frame material of the elongated hole of the joint adjusting member and the rising portion adjacent to the frame material of the fixing plate portion from the distance from the frame material side peripheral edge In this case, since the long hole and the nut portion of the joint adjusting member can be positioned and the bolt can be inserted, the flat plate portion is moved and the bolt is moved along the long hole so that the frame material of each heat insulating panel Can be brought into close contact with each other. Moreover, since the long hole and nut part of a joint adjustment member can be positioned without moving a beam material to the frame material side of a heat insulation panel, the joint of each heat insulation panel can be adjusted quickly and easily.
[0017]
Further, the joint adjusting device for a heat insulating panel according to claim 6 is the joint adjusting device for a heat insulating panel according to claim 5, wherein the other end portion farthest from the frame material of the elongated hole and the frame material of the fixing plate portion. The distance from the rising portion adjacent to the outer wall is larger than the distance between the nut portion and the frame material side peripheral edge of the exterior plate.
[0018]
The joint adjusting device for a heat insulating panel according to claim 6 having the above-described characteristics is the joint adjusting device for a heat insulating panel according to claim 5, wherein the other end portion and the fixing plate that are farthest away from the frame material of the long hole. The distance between the part and the rising part adjacent to the frame material is formed to be larger than the distance between the nut part and the frame material side peripheral edge of the exterior plate.
Thereby, even when the frame material of the heat insulation panel is located at a position displaced from the rising portion adjacent to the frame material of the fixed plate portion in the direction away from the other heat insulation panel, this displacement amount is the length of the joint adjusting member. Less than or equal to the dimension obtained by subtracting the distance between the nut portion and the peripheral edge of the frame material side of the exterior plate from the distance between the other end portion farthest from the frame material of the hole and the rising portion adjacent to the frame material of the fixed plate portion In this case, since the bolt can be inserted, it is possible to move the flat plate portion and move the bolt along the long hole so that the frame members of the heat insulating panels are in close contact with each other. Therefore, since the long hole and the nut portion of the joint adjusting member can be positioned without moving the beam member to the frame member side of the heat insulating panel, the joint of each heat insulating panel can be adjusted quickly and easily.
[0019]
Furthermore, the joint adjustment device of the heat insulation panel which concerns on Claim 7 is a joint adjustment device of the heat insulation panel in any one of Claim 1 thru | or 6. A step process is given to the inner side of the said long hole. It is characterized by being.
[0020]
The joint adjusting device for a heat insulating panel according to claim 7 having such characteristics is formed in the flat plate portion of the joint adjusting member in the joint adjusting device for a heat insulating panel according to any one of claims 1 to 6. A stepped process is applied to the inside of the long hole.
As a result, when moving the flat plate portion between the rising portions at both ends of the fixed plate portion in the beam material, the bolt can be moved stepwise within the long hole, and joint adjustment between the heat insulating panels can be adjusted to all. This can be done reliably without reversing the adjustment position in the stage.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a heat insulation panel joint adjusting device according to the present invention will be described below in detail with reference to FIGS. FIG. 1 is a perspective view of a prefabricated refrigerator using a joint adjusting device for a heat insulating panel according to the present embodiment. FIG. 2 is an enlarged cross-sectional view of a connecting portion of a heat insulating panel constituting the ceiling of the prefabricated refrigerator. FIG. 3 is a plan view of the connecting portion as seen from above, and the shape of the upper part of the beam material is omitted for convenience. FIG. 4 is a perspective view of a joint adjusting member effective for joint adjustment of the heat insulating panel. FIG. 5 is a plan view and a cross-sectional view illustrating a procedure for connecting the heat insulating panels and adjusting joints. FIG. 6 is a perspective view of a joint adjusting member that has been stepped on the side surface of the long hole by continuous punching, and is a first modification of the present embodiment. FIG. 7 is a perspective view of a joint adjusting member in which a cutout portion is provided in a part of the pressurizing portion, and is a second modification of the present embodiment. FIG. 8 is an enlarged cross-sectional view showing a state in which the joint adjusting member of FIG. 7 is installed in the connection portion of the heat insulating panel. FIG. 9 is a perspective view of a joint adjusting member in which a chamfered portion is provided at the end of the flat plate portion in addition to the notch portion of the pressurizing portion of the joint adjusting member shown in FIG. 7, and is a third modification of the present embodiment. .
[0022]
In FIG. 1, a prefabricated refrigerator 21 using a joint adjusting device for a heat insulating panel has a plurality of heat insulating panels 22 connected to each other, and a heat insulating door 23 is attached to the front face so as to be opened and closed. The ceiling of the prefabricated refrigerator 21 using the joint adjusting device for a heat insulating panel in FIG. 1 is composed of two heat insulating panels 22, and the frame members 14 and 15 of the heat insulating panel are attached by being fixed to the beam member 1 (not shown). The heat insulating property is maintained by tightly connecting them.
Although FIG. 1 illustrates the case where the ceiling is constituted by two heat insulating panels 22, the beam material 1 for supporting the heat insulating panels constituting the ceiling is particularly in demand for larger prefabricated refrigerators. .
[0023]
In FIG. 2, the surface of the heat insulating panel 22 is formed of an interior plate 4 and an exterior plate 8 such as a thin stainless plate or a steel plate. The peripheral edge portion of the space between the pair of interior plate 4 and exterior plate 8 is closed with frame members 14 and 15 in which convex portions or concave portions are formed by a resin molded product made of hard vinyl chloride or the like. The space closed by the interior plate 4 and the exterior plate 8 and the frame members 14 and 15 is filled with a foamed resin 12. The screw plate 5 is composed of a thick steel plate that is cut into a strip shape and has a punched portion in the center and is bent at both sides, and a nut portion 5a by a nut welded to the back of the stamped portion. Yes. And it is fitted and fixed to the through-hole 8a provided in the exterior plate 8 from the inside, and is engaged with the inner concavo-convex portions of the frame members 14 and 15 by the latching portions of the screw plate 5.
Moreover, the beam material 1 which fixes the heat insulation panel 22 connects a pair of steel materials 10 integrally with the volt | bolt 2 and the nut 3, and each steel material 10 is the both-ends edge of the fixed board part 10c (refer FIG. 3). The so-called lip groove steel 10 in which the rising portions 10a and 10b continuously formed from 1 to 2 rise up at a substantially right angle with a predetermined curvature are connected back to back. The fixing plate portion 10c of the beam member 1 is provided with a bolt hole 16, and when fixed, the nut portion 5a in the through hole 8a provided in the beam member 1 and the heat insulating panel 22 through the bolt hole 16 is provided. By fixing the bolt 6, the beam member 1 and the panel 22 are connected and fixed. When the bolt 6 is fixed, a joint adjusting member 9 and a flat washer 7 described later are inserted between the beam member 1 and the bolt 6. The joint adjusting member 9 is installed by being inserted into rising portions 10 a and 10 b that are provided at both ends of the fixed plate portion 10 c of the lip groove steel 10 that constitutes the beam member 1. Since it has a curvature, it does not fall down to the fixed plate part 10c of the beam member 1 but is held in the middle. When the bolt 6 is fixed by this configuration, the elastic force of the rising portions 10a and 10b of the lip groove steel 10 serves as a spring washer, and has an effect of preventing the bolt 6 from loosening. Further, as shown in FIG. 3, the bolt hole 16 of the beam member 1 has an inclined width of the long hole 9b so that the bolt 6 does not have any trouble on the inclined long hole 9b of the joint adjusting member 9. It has a large opening. 2 and 3 show a state in which the joint adjusting member 9 is attached on the left side with respect to the center of the beam member 1, and the right side shows a state in which the joint adjusting member 9 is not attached.
[0024]
FIG. 4 shows the joint adjusting member 9. An inclined long hole 9b is opened on the flat plate portion 9c of the joint adjusting member 9, and the width thereof is set to a width through which the bolt 6 can pass. The inclination width is set to be substantially the same as the opening diameter of the bolt hole 16 of the beam member 1, and the joint 6 can be adjusted smoothly by moving the bolt 6 over the entire long hole 9b. Further, when the joint adjusting member 9 is installed on the beam member 1, the closest distance from the center of the beam member 1 of the long hole 9b is the nut portion of the heat insulating panel 22 from the center of the beam member 1 when the heat insulating panel 22 is connected. It is set to be the same as the distance up to 5a. At one end of the joint adjusting member 9 in the moving direction along the beam member 1, a pressing portion 9 a is formed that is bent so as to rise substantially at a right angle. The pressurizing portion 9a serves as a power point for moving the joint adjusting member 9 during joint adjustment, which will be described later, and the bent portion has a rib effect to maintain the strength of the joint adjusting member 9. Is.
[0025]
Next, with reference to FIG. 5, the temporary fixing to the beam material 1 of the heat insulation panel 22 and the joint adjustment method are demonstrated. FIG. 5 left shows a temporarily fixed state of the beam material 1 and the heat insulating panel 22, FIG. 5 center shows a state where the joint adjustment is performed while pulling the heat insulating panel 22, and FIG. 5 right shows a state where the heat insulating panel 22 is drawn and the joint adjustment is performed. Represents the completed state. First, when the beam member 1 and the heat insulation panel 22 on the left in FIG. 5 are temporarily fixed, the beam member 1 and the heat insulation panel 22 are temporarily fixed with the bolts 6 with a gap between the heat insulation panels 22. . When temporarily fixing, there is no need to worry about joint adjustment between the heat insulating panels 22, and the opening of the bolt hole 16 provided in the beam member 1 is also formed large. It is easy to align with the through hole 8a in which the nut portion 5a in 22 is fitted, and the joint adjusting member 9 is also moved along the rising portions 10a and 10b of the beam member 1 for mounting the joint adjusting member 9. By doing so, alignment with the long hole 9b can be easily performed. In the temporarily fixed state, the heat insulation panel 22 can be moved with respect to the beam material 1 by the length of the opening diameter of the bolt hole 16 of the beam material 1, which provides a margin for joint adjustment.
[0026]
Next, in the center of FIG. 5, the pressurizing portion 9 a of the joint adjusting member 9 is hit with a hammer or the like in a state where the heat insulating panel 22 is temporarily fixed to the beam member 1 with a gap between the heat insulating panels 22. By shifting the bolt 6 temporarily fixed through the long hole 9b of the joint adjusting member 9 to the center side of the beam 1 along the long hole 9b, the joint adjustment is performed while pulling the heat insulating panels 22 toward each other. Is what you do. Since the shift amount of each heat insulation panel 22 can be adjusted while hitting the pair of right and left joint adjustment members 9 equally, fine joint adjustment is possible.
While confirming the joint positions of the left and right heat insulation panels 22, the pressure part 9a is struck and finally the bolt 6 moves to the closest position from the beam 1 of the long hole 9b as shown in the right of FIG. Thus, the heat insulation panels 22 are in close contact with each other and the joint adjustment is completed. Since the terminal position of the bolt 6 in the long hole 9b coincides with the connection position of the heat insulating panel 22, the terminal position can be easily confirmed by visual observation, and joint adjustment work can be easily performed. After the bolt 6 has moved to the terminal position of the long hole 9b, the fastening of the bolt 6 and the nut portion 5a is performed to complete the connection of the heat insulating panel 22.
[0027]
FIG. 6 shows a first modification of the present embodiment. The joint adjusting member 91 is opened by continuous punching to form a long hole 91b. At this time, since the step is formed on the side surface of the long hole 91b, the position of the bolt 6 can be held during joint adjustment of the heat insulating panel 22. It is possible to prevent displacement of the bolt 6 during the joint adjustment, such as reverse reversal, and the heat insulation panel 22 can be reliably pulled at each step of the stepping. Moreover, since the bolt 6 does not return backward even after the heat insulation panel 22 is connected, it is possible to prevent the joint from being loosened due to the passage of time or an external impact.
[0028]
FIG. 7 shows a second modification of the present embodiment, which is a joint adjusting member 92 in which a notch 92c is provided in a part of the pressurizing part 92a. In FIG. 8, when this joint adjusting member 92 is installed in the beam member 1, the notch 92c is arranged so as to be adjacent to the rising portion 10a of the lip groove steel 10 (the outer rising portion in FIG. 8). Although the end portion of the lip groove steel 10 is bent at a substantially right angle, it is not accurately angled, and is bent inward toward the center portion of the beam member 1 as shown in FIG. Sometimes it ends up. Also in this case, since the cutout portion 92c is provided in the joint adjustment member 92, the joint adjustment member 92 does not interfere with the rising portion 10a of the lip groove steel 10 bent inward, and the joint adjustment member 92 at the time of joint adjustment is not affected. There will be no hindrance to movement.
In FIG. 8, the other components are the same as those of the embodiment of FIG.
[0029]
FIG. 9 shows a third modification of the present embodiment. The joint adjusting member 93 has a structure in which a chamfered portion 93d is provided at the end of the flat plate portion 93e in addition to the notched portion 93c. The joint adjustment member 93 can be moved smoothly during joint adjustment.
[0030]
As described in detail above, in the prefabricated refrigerator 21 using the joint panel adjusting device for a heat insulation panel according to the present embodiment, when the ceiling panel is configured using the heat insulation panel 22, the joint joint adjustment member having the inclined long holes 9 b. 9, the heat insulating panel 22 is connected to the beam 1 in which the lip groove steel 10 is coupled back to back by fixing the bolts 6. The joint adjustment member 9 is moved along the beam 1 in the temporarily fixed state of the bolt 6 and the bolt 6 is moved in the long hole 9b, whereby the thermal insulation panels 22 are gradually drawn to adjust the joint. it can. Since the connection between the beam member 1 and the heat insulating panel 22 is performed by the joint adjusting member 9, the bolt hole 16 of the beam member 1 can be enlarged, and the alignment with the through hole 8a of the heat insulating panel 22 becomes easy. After the bolt 6 is fixed, the joint adjusting member 9 serves as a spring washer due to the elastic force of the rising portions 10a and 10b at the end of the beam member 1, and also has an effect of preventing the bolt 6 from loosening. Further, if the distance from the rising portion 10b inside the beam member 1 to the inner end portion of the long hole 9b of the joint adjusting member 9 is substantially matched with the distance from the heat insulating panel 22 frame members 14 and 15 to the nut portion 5a, When the joint adjustment between the heat insulating panels 22 is completed, the bolt 6 is positioned at the inner end of the long hole 9b, and the completion of joint adjustment can be easily confirmed visually. Further, the bent portion of the pressurizing portion 9a has a rib effect, the strength of the joint adjusting member 9 can be maintained, the joint adjusting member 91 having a structure for preventing the displacement of the bolt 6 during joint adjustment, and the beam member 1 Joint adjusting members 92 and 93 having an effect of preventing interference with the like can also be used.
[0031]
Next, another embodiment of the joint adjusting device for a heat insulation panel according to the present invention will be described in detail with reference to the drawings based on FIGS. First, a schematic configuration of the prefabricated refrigerator will be described with reference to FIG. FIG. 10 is a perspective view of a prefabricated refrigerator using a joint adjusting device for a heat insulating panel according to another embodiment.
As shown in FIG. 10, the prefabricated refrigerator 101 is configured by connecting a plurality of heat insulating panels 102, and a heat insulating door 103 is attached to the front surface of the prefabricated refrigerator 101 so as to be freely opened and closed. Further, each of the four front ceiling panels 102A, 102A, 102A, 102A and the four rear ceiling panels 102B, 102B, 102B, 102B constituting the ceiling portion of the prefabricated refrigerator 101 is a joint adjusting device described later. They are connected in the front-rear direction via 104 (see FIGS. 11 and 14).
[0032]
Next, a schematic configuration of the joint adjustment device 104 will be described with reference to FIGS. 11 to 13. FIG. 11 is an enlarged cross-sectional side view of a main part showing a connecting portion of a joint adjusting device 104 for a heat insulating panel according to another embodiment. FIG. 12 is an enlarged horizontal cross-sectional view of a main part showing a connecting portion of a joint adjusting device 104 for a heat insulating panel according to another embodiment. FIGS. 13A and 13B are views showing joint adjusting members constituting the joint adjusting device 104 for a heat insulating panel according to another embodiment, wherein FIG. 13A is a plan view and FIG. 13B is a front view. 11 and 12 show a state in which the joint adjusting member 128 is attached on the left side with respect to the center of the beam member 120, and the right side shows a state in which the joint adjusting member 128 is not attached.
[0033]
As shown in FIG. 11, the front ceiling panel 102 </ b> A and the rear ceiling panel 102 </ b> B are each formed with an interior plate 110 and an exterior plate 111 such as a thin stainless steel plate or a steel plate. The peripheral edge portion of the space between the pair of interior plates 110 and the exterior plate 111 is closed by frame members 112 and 113 having convex portions or concave portions formed of a resin molded product made of hard vinyl chloride or the like. A space closed by the interior plate 110, the exterior plate 111, and the frame members 112 and 113 is filled with a foamed resin 114. Further, the screw plate 115 is composed of a thick steel plate cut into a strip shape and having a stamped portion in the center and bent at both sides, and a nut portion 116 by a nut welded to the back of the stamped portion. Yes. And it is fitted and fixed from the inside to the through-hole 118 provided in the exterior board 111, and it is engaged with the inner side uneven part of the frame materials 112 and 113 by the latching part of the screw board 115. FIG.
[0034]
Further, the beam member 120 constituting the joint adjusting device 104 for connecting and fixing the front ceiling panel 102A and the rear ceiling panel 102B is formed by integrally connecting a pair of steel members 121 with bolts 122 and nuts 123. The steel member 121 is a back-to-back connection of so-called lip channel steel 121 in which rising portions 121A and 121B continuously formed from both ends of the fixed plate portion 125 (see FIG. 12) rise substantially perpendicularly with a predetermined curvature. Is. Bolt holes 126 are provided in the fixing plate portion 125 of the beam member 120, and nuts in the through holes 118 provided in the beam member 120 and the respective ceiling panels 102A and 102B through the bolt holes 126 at the time of fixing. By fixing the bolt 127 to the part 116, the beam member 120 and the ceiling panels 102A and 102B are connected and fixed. When the bolt 127 is fixed, a joint adjusting member 128 (see FIGS. 12 and 13) and a flat washer 127A (see FIG. 12) described later are inserted between the beam member 120 and the bolt 127.
[0035]
Further, the joint adjusting member 128 is installed so as to be fitted in each of the rising portions 121A and 121B standing at both ends of the fixed plate portion 125 of the lip groove steel 121 constituting the beam member 120. Since the corner of 121 has a curvature, the fixed plate portion 125 of the lip groove steel 121 is not dropped and is held in the middle. With this configuration, when the bolt 127 is fastened and fixed, the elastic force of the joint adjusting member 128 acts as a spring washer due to the repulsive force from the rising portions 121A and 121B of the lip groove steel 121. Has the effect of locking.
[0036]
Further, as shown in FIG. 12, one end of the elongated hole 129 formed in the flat portion 130 of the joint adjusting member 128 on the side close to the rising portion 121B on the back side of the lip groove steel 121 and the rising portion 121B Is formed to be about ½ times the distance between the nut portion 116 fixed to the inside of the exterior plate 111 of the front ceiling panel 102A and the frame member 113 of the ceiling panel 102A. Further, the distance between the other end portion of the long hole 129 on the side close to the rising portion 121A on the outer side of the lip groove steel 121 and the rising portion 121B is fixed inside the exterior plate 111 of the front ceiling panel 102A. The distance between the nut portion 116 and the frame member 113 of the ceiling panel 102A is about 3/2 times. As a result, the beams are formed so that the rising portions 121B and 121B forming the contact surfaces of the lip channel steels 121 and 121 are positioned directly above the joints 132 formed by the contact portions of the frame members 112 and 113. When the material 120 is fastened and fixed by the bolt 127, the substantially central portion of the long hole 129 formed in the flat portion 130 of the joint adjusting member 128 faces the nut portion 116.
Further, the diameter D1 of the bolt hole 126 is formed to be substantially equal to the distance L1 in the front-rear direction (the left-right direction in FIG. 12) of both end edges of the elongated hole 129 of the joint adjusting member 128. As a result, the diameter D1 of each bolt hole 126 of the beam member 120 can be formed approximately equal to the distance between the nut portion 116 fixed to the inside of the exterior plate 111 of the front ceiling panel 102A and the frame member 113 of the ceiling panel 102A. The bolt holes 126 can be made large, and the beam member 120 and the nut portions 116 of the ceiling panels 102A and 102B can be easily aligned.
[0037]
As shown in FIG. 13, the flat plate portion 130 of the joint adjusting member 128 has the elongated hole 129 that is inclined as described above, and the width is set to a width that allows the bolt 127 to pass therethrough. The bolt 127 can be moved over the whole area of the hole 129, thereby enabling smooth joint adjustment. In addition, a pressurizing part 135 that is bent so as to rise substantially at a right angle is formed at one end of the joint adjusting member 128 in the moving direction along the beam member 120. The pressurizing portion 135 serves as a power point for moving the joint adjusting member 128 during joint adjustment, which will be described later, and the bent portion has a rib effect to maintain the strength of the joint adjusting member 128. Is.
Further, a notch portion 136 that is notched with a predetermined width dimension is formed in a portion adjacent to the rising portion 121A outside the lip groove steel 121 of the pressurizing portion 135. Thereby, even when the rising portion 121A on the outer side of the lip channel steel 121 is bent inward toward the central portion of the beam member 120, the joint adjusting member 128 has the notch 136. There is no interference with the rising portion 121A of the lip channel steel 121 bent inward, and there is no hindrance to the movement of the joint adjusting member 128 during joint adjustment.
Further, chamfered portions 137 and 137 are formed at the front corner portions of the flat plate portion 130 (lower corner portions in FIG. 13A). Thereby, the joint adjustment member 128 can be smoothly moved during joint adjustment.
[0038]
Next, a procedure for connecting and fixing the ceiling panels 102A and 102B by the joint adjusting device 104 will be described with reference to FIG. FIG. 14 is a diagram showing a procedure for connecting and fixing the front ceiling panel 102A and the rear ceiling panel 102B by the joint adjustment device 104 for a heat insulating panel according to another embodiment, and FIG. 14A is a beam of the ceiling panels 102A and 102B. The figure which shows the state which is temporarily fixed to the material 120, (B) is a figure which shows the state which is adjusting the joint while drawing each ceiling panel 102A, 102B, (C) is the joint where each ceiling panel 102A, 102B is drawn. It is a figure which shows the state which adjustment was completed. 14A, 14 </ b> B, and 14 </ b> C are plan views showing the main part during joint adjustment, and the lower figure is a side sectional view showing the main part during joint adjustment. is there.
[0039]
As shown in FIG. 14A, first, temporary fixing of the ceiling panels 102A and 102B to the beam member 120 is performed with a gap between the ceiling panels 102A and 102B. , 102B are temporarily fixed with bolts 127. At the time of temporary fixing, there is no need to worry about joint adjustment between the ceiling panels 102A and 102B, and the opening of the bolt hole 126 provided in the beam member 120 is also formed large. 126 and the through holes 118 and 118 into which the nuts 116 and 116 in the ceiling panels 102A and 102B are fitted are easy to align, and the joint adjusting member 128 is also attached to the joint adjusting member 128. If it moves along each rising part 121A, 121B of each lip channel steel 121, 121, alignment with the long hole 129 of the joint adjustment member 128 can also be performed easily. Further, in the temporarily fixed state, the ceiling panels 102A and 102B can be moved with respect to the beam member 120 by the length of the opening diameter of the bolt hole 126 of the beam member 120, which provides a margin for joint adjustment.
[0040]
Next, as shown in FIG. 14B, the pressurizing portion 135 of the joint adjusting member 128 is struck with a hammer or the like in a state where the ceiling panel 102A, 102B is temporarily fixed to the beam member 120 with a gap between them. . As a result, the bolt 127 that is temporarily fixed through the long hole 129 of the joint adjusting member 128 shifts to the center side of the beam member 120 along the long hole 129, so that the front ceiling panel 102 </ b> A is located with respect to the beam member 120. The rear ceiling panel 102 </ b> B moves in the direction of the arrow 141 with respect to the beam member 120. Accordingly, the ceiling panels 102A and 102B are pulled toward each other through the bolts 127 and 127 toward the center of the beam member 120 by striking the pressurizing portions 135 and 135 of the joint adjusting members 128 with a hammer or the like. The joint adjustment is performed. Further, while equally hitting the pair of left and right joint adjusting members 128, 128 temporarily fixed to the lip groove steels 121, 121, in the front-rear direction (left-right direction in FIG. 14) of the respective ceiling panels 102A, 102B. Since the shift amount can be adjusted, it is possible to perform fine and precise joint adjustment.
[0041]
Then, as shown in FIG. 14C, the pressurizing portions 135 and 135 are struck while confirming the joint positions between the ceiling panels 102A and 102B, and finally the bolts 127 and 127 are attached to the respective lengths. The holes 129 and 129 are moved to approximately the center position. In this case, the frame members 112 and 113 of the ceiling panels 102 </ b> A and 102 </ b> B are in close contact with each other, and the joint 132 is located almost directly below the center position in the width direction of the beam member 120. Further, the bolts 127 and 127 are located at substantially the center positions of the bolt holes 126 and 126, respectively. Then, by fixing the bolts 127 and 127 (fastening and fixing the bolts 127 and 127 and the nut portions 116 and 116), the ceiling panels 102A and 102B are brought into close contact with each other via the joint adjustment device 104. It will be in the state of being connected and fixed. Therefore, joint adjustment can be performed while visually confirming the positional relationship between the elongated hole 129 of the joint adjustment member 128 and the bolt 127, and joint adjustment work can be easily performed.
[0042]
Next, a case where a positional deviation occurs between the beam member 120 suspended from the ceiling in advance by hooks and the ceiling panels 102A and 102B of the prefabricated refrigerator 101 assembled from below will be described with reference to FIG. FIG. 15 shows a connection fixing in the case where misalignment occurs between the beam member 120 and the ceiling panels 102A and 102B of the prefabricated refrigerator 101 assembled from below by the joint adjusting device 104 for a heat insulating panel according to another embodiment. It is a figure which shows a state, (A) is a top view which shows a principal part, (B) is a sectional side view which shows a principal part.
[0043]
As shown in FIG. 15, even if there is a misalignment between the beam member 120 suspended from the ceiling by hooks 145, suspension bolts 146, etc., and the respective ceiling panels 102A, 102B assembled from below, the beam member 120 Since each of the bolt holes 126 and 126 has a large opening diameter, the bolt holes 126 and 126 can be aligned with the through holes 118 and 118 into which the nut portions 116 and 116 in the ceiling panels 102A and 102B are fitted. Then, the joint adjusting members 128 and 128 are moved along the rising portions 121A and 121B of the lip channel steels 121 and 121, so that the long holes 129 and 129 and the through holes 118 and 118 are aligned. Then, the bolts 127 and 127 are temporarily fixed. Thereafter, each of the ceiling panels 102A and 102B is shifted to the beam member 120 side by hitting the pressurizing portions 135 and 135 of the joint adjusting members 128 and 128 with a hammer or the like, and the ceiling panels 102A and 102B are respectively shifted to the beam member 120 side. The frame members 112 and 113 are brought into close contact with each other, and the bolts 127 and 127 are finally fixed and connected and fixed. Therefore, the joint 132 is located directly below the position shifted in the front-rear direction (left-right direction in FIG. 15) from the center position in the width direction of the beam member 120. As a result, even if there is a misalignment between the beam member 120 suspended from the ceiling by the hook 145 and the suspension bolt 146 and the ceiling panels 102A and 102B assembled from below, the bolt holes 126 and 126 When the opening diameter is within the range, the ceiling panels 102A and 102B can be connected and fixed without correcting the hanging position of the beam member 120.
[0044]
As described in detail above, in the joint adjusting device 104 for a heat insulating panel according to another embodiment, the rising portion 121B on the back side of the lip groove steel 121 of the long hole 129 formed in the flat portion 130 of the joint adjusting member 128. The distance between one end portion on the side close to the wall and the rising portion 121B is approximately 1 / of the distance between the nut portion 116 fixed to the inside of the exterior plate 111 of the front ceiling panel 102A and the frame member 113 of the ceiling panel 102A. It is formed twice. Further, the distance between the other end portion of the long hole 129 on the side close to the rising portion 121A on the outer side of the lip groove steel 121 and the rising portion 121B is fixed inside the exterior plate 111 of the front ceiling panel 102A. The distance between the nut portion 116 and the frame member 113 of the ceiling panel 102A is about 3/2 times. In addition, the diameter D1 of the bolt hole 126 is formed to be substantially equal to the distance L1 in the front-rear direction of both edge portions of the elongated hole 129 of the joint adjusting member 128.
The procedure for connecting and fixing the ceiling panels 102A and 102B is as follows. First, the bolt holes 126 and 126 of the beam member 120 and the nuts 116 and 116 in the ceiling panels 102A and 102B are fitted. Alignment with the holes 118 and 118 is performed. Then, the joint adjusting members 128, 128 are moved along the rising portions 121A, 121B of the lip groove steels 121, 121 so that the long holes 129, 129 and the through holes 118, 118 are aligned. The bolts 127 and 127 are temporarily fixed. Thereafter, each pressurizing portion 135, 135 of each joint adjusting member 128, 128 is hit with a hammer or the like to shift each ceiling panel 102A, 102B to the beam member 120 side, and each frame of each ceiling panel 102A, 102B. The materials 112 and 113 are brought into close contact with each other, and the bolts 127 and 127 are finally fixed.
[0045]
Therefore, each rising portion 121A at each end edge of the fixed plate 125 is positioned with the bolt 127 inserted through the elongated hole 129 of the joint adjusting member 128 and the bolt hole 126 formed in the fixed plate 125 of the beam member 120. The joint 132 between the ceiling panels 102A and 102B can be adjusted in a short time and with a simple operation of moving the joint adjustment member 128 between 121B.
Further, since the positional relationship between the fixing plate portion 125 of the beam member 120 and each of the ceiling panels 102A and 102B is adjusted by moving the joint adjusting member 128 along the frame member 120, it is initially fixed. It is not necessary to strictly position the bolt hole 126 of the plate portion 125 and the nut portion 116 of the exterior plate 111. Accordingly, it is possible to increase the opening diameter of the bolt hole 126 formed in the fixed plate portion 125, and thus the bolt 127 inserted through the bolt hole 126 having a large opening diameter and the nut portion of the exterior plate 111. Alignment with 116 can be easily performed.
In addition, since the width of the flat plate portion 130 of the joint adjusting member 128 is formed to be substantially the same as the width of the fixing plate portion 125 of the beam member 120, each ceiling panel is fixed after the bolt 127 is fastened to the nut portion 116. Even if an impact is applied to 102A and 102B and the beam member 120, the joint adjusting member 128 is not moved between the rising portions 121A and 121B. Therefore, it is possible to reliably prevent the joint 132 between the ceiling panels 102A and 102B once adjusted via the joint adjusting member 128 from being enlarged.
Further, a pressurizing part 135 bent upward is formed at one side end of the flat plate part 130 of the joint adjusting member 128, and the joint adjusting member 128 is hit by hitting the pressurizing part 135 with a hammer or the like. Can be moved along the frame member 120 between the rising portions 121A and 121B. In addition, since the pressing portion 135 is formed at one end of the flat plate portion 130 at one end portion of the long hole 129 closest to the frame member 120, the bolt 127 is elongated by hitting the pressing portion 135. 129 moves toward the beam member 120 side along the inclination of 129, and on this basis, the ceiling panels 102A, 102B on which the bolts 127 are positioned via the nut portion 116 move toward the beam member 120 side, The joint 132 between the ceiling panels 102A and 102B is adjusted. Furthermore, the pressurization part 135 formed in the flat plate part 130 expresses a rib effect in the bent part, and thereby the strength of the joint adjusting member 128 can be improved.
Further, since the notch 136 is formed in the pressurizing part 135 corresponding to the outer rising part 121A of the frame member 120, for example, the outer part 121A is not affected by the processing state of the outer rising part 121A. Even when the rising portion 121A is bent toward the frame member 120, the movement of the joint adjusting member 128 is not hindered by the outer rising portion 121A. Thereby, the joint adjusting member 128 can be always moved smoothly between the rising portions 121A and 121B of the fixed plate portion 125.
In addition, even if there is a misalignment between the beam member 120 suspended from the ceiling by the hook 145 and the suspension bolt 146 and the ceiling panels 102A and 102B assembled from below, the bolt holes 126 and 126 are opened. When the diameter is within the range, the ceiling panels 102A and 102B can be connected and fixed without correcting the hanging position of the beam member 120.
Further, since the prefabricated refrigerator 101 is assembled by the joint adjusting device 104 for the heat insulating panel that can easily adjust the joint between the panels when the ceiling panels 102A and 102B are connected, the assembly work efficiency of the prefabricated refrigerator 101 can be improved. Improvement and shortening of delivery time can be achieved.
[0046]
Note that the present invention is not limited to the above-described embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention. For example, in each of the above embodiments, the lip groove steels 10 and 121 are used for the beam members 1 and 120, respectively, but the joint adjusting members 9 and 128 according to the present invention are also used. Any similar shape that can realize a heat insulation panel joint adjusting mechanism can be used. Also, the material is not limited to stainless steel or steel, but may be an extruded product of aluminum.
[0047]
【The invention's effect】
As described above, in the joint adjusting device for a heat insulating panel according to claim 1, in the state where the frame members of each heat insulating panel face each other, the long hole of the flat plate portion in the joint adjusting member and the fixing plate portion of the beam member Bolts are inserted into the bolt holes of the fixed plate part, the bolts are positioned on the nut part, and the flat plate part is moved along the frame material between the rising parts, so that the gaps between the heat insulating panels correspond to the inclination of the long holes. The joints are adjusted.
At this time, the flat plate portion of the joint adjusting member has substantially the same width as the width of the fixed plate portion of the beam material, and the joint portion is formed along the frame material between the rising portions formed at both end edges of the fixed plate portion. When the flat plate portion of the adjusting member is moved, the bolts positioned on the nut portion move along the inclination of the long hole based on the movement of the flat plate portion, so that the end surfaces of the frame members of the heat insulating panels are close to each other. And are in close contact. As a result, the joint between each heat insulation panel is adjusted.
In this way, the joint adjustment member is moved between the rising portions at both ends of the fixed plate portion in a state where the bolt is inserted and positioned in the long hole of the flat plate portion and the bolt hole formed in the fixed plate portion of the beam member. It is possible to provide a joint adjusting device for a heat insulating panel capable of adjusting the joint between the heat insulating panels in a short time and with a simple operation.
In addition, since the positional relationship between the fixed plate portion of the beam material and the heat insulating panel is adjusted by moving the flat plate portion of the joint adjusting member along the frame material, the bolt hole of the fixed plate portion is initially set. It is not necessary to strictly position the nut portion of the exterior plate. Therefore, it is possible to increase the opening diameter of the bolt hole formed in the fixed plate portion. Thus, the bolt hole having a large opening diameter and the bolt inserted into the bolt hole and the nut portion of the exterior plate are formed. It is possible to provide a joint adjusting device for a heat insulating panel that can be easily aligned.
Furthermore, the width of the flat plate portion of the joint adjusting member is formed to be substantially the same as the width of the fixed plate portion of the beam material, and the rising portion has a curvature from both end edges of the fixed plate portion of the beam material. Continuously formed, the flat plate portion of the joint adjusting member to the fixed plate portion of the beam material Hold until you are not depressed Therefore, even if an impact is applied to the heat insulating panel or the beam after the bolt is fastened to the nut portion, the bolt is not loosened and the joint adjusting member is not moved between the rising portions. Therefore, it is possible to provide a joint adjusting device for a heat insulating panel that can reliably prevent the joint between the heat insulating panels once adjusted through the joint adjusting member from being enlarged.
[0048]
Further, in the joint adjusting device for a heat insulating panel according to claim 2, in the joint adjusting device for a heat insulating panel according to claim 1, a pressurizing portion bent upward is formed at one side end of the flat plate portion of the joint adjusting member. Thus, it is possible to provide a joint adjusting device for a heat insulating panel capable of moving the flat plate portion along the frame material between the rising portions by hitting the pressing portion with a hammer or the like. The pressurizing part is one side end of the flat plate part and is formed to be large over the entire width of the flat plate part. The flat plate part is arranged between the rising parts of the fixed plate part of the beam material and is hit by a hammer or the like. Therefore, it is possible to provide a joint adjusting device for a heat insulating panel that can be easily moved by pressing the pressing portion with a hammer or the like. In addition, since the pressurizing part is formed at one side end of the flat plate part at one end part of the long hole closest to the frame member, the bolts can be moved along the inclination of the long hole by hitting the pressurizing part. The insulation panel that moves toward the material side and the insulation panel on which the bolts are positioned via the nut part moves toward the beam material side, so the joint between the insulation panels can be easily adjusted. An adjustment device can be provided. Furthermore, since the pressurization part formed in the flat plate part exhibits a rib effect in the bent part, it is possible to provide a joint adjustment device for a heat insulating panel capable of improving the strength of the joint adjustment member.
[0049]
Further, in the joint adjusting device for a heat insulating panel according to claim 3, in the joint adjusting device for a heat insulating panel according to claim 2, corresponding to one rising portion on the side separated from the frame member, that is, the outer rising portion. Since the notched part is formed in the pressurizing part, the movement of the flat plate part is not affected by the processing state of the outer rising part, for example, even when the outer rising part is bent to the frame material side. Is not obstructed by the outer rising part. Accordingly, it is possible to provide a joint adjusting device for a heat insulating panel that can always move the flat plate portion smoothly between the rising portions of the fixed plate portion.
[0050]
Moreover, in the joint adjustment apparatus of the heat insulation panel which concerns on Claim 4, in the joint adjustment apparatus of the heat insulation panel in any one of Claim 1 thru | or 3, the one end part of the long hole nearest to a beam material, and the other Since the distance from the rising part is substantially the same as the distance between the nut part fixed to the inside of the exterior plate and the other rising part, the flat plate part is moved so that the bolt is moved along the long hole. When it is moved to one end, the frame materials of the heat insulation panels are in close contact with each other. Thereby, it is possible to reliably confirm that the joint adjustment between the heat insulation panels is completed by a simple confirmation method of visual observation, and it is possible to provide a joint adjustment device for a heat insulation panel that can easily perform the work.
[0051]
Moreover, in the joint adjustment apparatus of the heat insulation panel which concerns on Claim 5, In the joint adjustment apparatus of the heat insulation panel in any one of Claim 1 thru | or 3, The one end part nearest to the frame material of the said long hole, and the said The distance between the fixed plate portion and the rising portion adjacent to the frame material is formed to be smaller than the distance between the nut portion and the frame material side peripheral edge of the exterior plate.
Thereby, even when the frame material of the heat insulating panel is in a position shifted to the direction closer to the other heat insulating panel than the rising portion adjacent to the frame material of the fixed plate portion, the amount of deviation is determined between the nut portion and the outer plate. Less than or equal to the dimension obtained by subtracting the distance between the one end portion closest to the frame material of the elongated hole of the joint adjusting member and the rising portion adjacent to the frame material of the fixing plate portion from the distance from the frame material side peripheral edge In this case, since the long hole and the nut portion of the joint adjusting member can be positioned and the bolt can be inserted, the flat plate portion is moved and the bolt is moved along the long hole so that the frame material of each heat insulating panel Can be brought into close contact with each other. Therefore, since the long hole and the nut portion of the joint adjusting member can be positioned without moving the beam member to the frame member side of the heat insulating panel, the joint of the heat insulating panel which can adjust the joint of each heat insulating panel quickly and easily. An adjustment device can be provided.
[0052]
Moreover, in the joint adjustment device of the heat insulation panel which concerns on Claim 6, in the joint adjustment device of the heat insulation panel of Claim 5, the other end part most spaced apart from the frame material of the said long hole, and the frame material of the said fixing plate part The distance from the rising portion adjacent to is larger than the distance between the nut portion and the frame material side peripheral edge of the exterior plate.
Thereby, even when the frame material of the heat insulation panel is located at a position displaced from the rising portion adjacent to the frame material of the fixed plate portion in the direction away from the other heat insulation panel, this displacement amount is the length of the joint adjusting member. Less than or equal to the dimension obtained by subtracting the distance between the nut portion and the peripheral edge of the frame material side of the exterior plate from the distance between the other end portion farthest from the frame material of the hole and the rising portion adjacent to the frame material of the fixed plate portion In this case, since the bolt can be inserted, it is possible to move the flat plate portion and move the bolt along the long hole so that the frame members of the heat insulating panels are in close contact with each other. Therefore, since the long hole and the nut portion of the joint adjusting member can be positioned without moving the beam material to the frame member side of the heat insulating panel, the joint of each heat insulating panel can be adjusted quickly and easily. An adjustment device can be provided.
[0053]
Furthermore, in the joint adjustment device of the heat insulation panel which concerns on Claim 7, The inside of the long hole formed in the flat plate part of a joint adjustment member in the joint adjustment device of the heat insulation panel in any one of Claim 1 thru | or 6 Has been stepped.
As a result, when moving the flat plate portion between the rising portions at both ends of the fixed plate portion in the beam material, the bolt can be moved stepwise within the long hole, and joint adjustment between the heat insulating panels can be adjusted to all. It is possible to provide a joint adjustment device for a heat insulating panel that can be reliably performed without reversing the adjustment position in the stage.
[Brief description of the drawings]
FIG. 1 is a perspective view of a prefabricated refrigerator using a joint adjusting device for a heat insulating panel according to an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of a connecting portion in which a heat insulating panel constituting a ceiling of a prefabricated refrigerator is connected by a joint adjusting device for a heat insulating panel according to the present embodiment.
FIG. 3 is a plan view of the connecting portion in FIG. 2 as viewed from above, and the shape of the upper part of the beam member is omitted for convenience.
FIG. 4 is a perspective view of a joint adjusting member constituting the joint adjusting device for a heat insulating panel according to the present embodiment.
FIGS. 5A and 5B are a plan view and a cross-sectional view illustrating a procedure for joint fixing by connecting and fixing a heat insulating panel by a joint adjusting device for a heat insulating panel according to the present embodiment.
FIG. 6 is a perspective view of a joint adjusting member in which a side surface of a long hole is stepped by continuous punching which is a first modification of the present embodiment.
FIG. 7 is a perspective view of a joint adjusting member according to a second modified example of the present embodiment, in which a notch portion is provided in a part of the pressure unit.
8 is an enlarged cross-sectional view illustrating a state in which the joint adjusting member of FIG. 7 is installed at a connection portion of a heat insulating panel.
FIG. 9 is a perspective view of a joint adjusting member provided with a notch and a chamfer at the end of a flat plate, which is a third modification of the present embodiment.
FIG. 10 is a perspective view of a prefabricated refrigerator using a joint adjusting device for a heat insulating panel according to another embodiment.
FIG. 11 is an enlarged side cross-sectional view showing a main part of a connecting portion of a joint adjusting device for a heat insulating panel according to another embodiment.
FIG. 12 is an enlarged horizontal cross-sectional view showing a main part of a connecting portion of a joint adjusting device for a heat insulating panel according to another embodiment.
FIGS. 13A and 13B are diagrams showing joint adjusting members constituting a joint adjusting device for a heat insulating panel according to another embodiment, in which FIG. 13A is a plan view and FIG. 13B is a front view.
FIG. 14 is a diagram showing a procedure for connecting and fixing a front ceiling panel and a rear ceiling panel by a joint adjusting device for a heat insulating panel according to another embodiment, wherein (A) is a temporary fixing of each ceiling panel to a beam member; The figure which shows a state, (B) is a figure which shows the state which is performing joint adjustment, drawing each ceiling panel, (C) is a figure which shows the state which joint adjustment was completed by drawing each ceiling panel.
FIG. 15 is a view showing a connection and fixing state when a positional deviation occurs between a beam member and each ceiling panel of a prefabricated refrigerator assembled from below by a joint adjusting device for a heat insulating panel according to another embodiment. (A) is a top view which shows the principal part, (B) is a sectional side view which shows a principal part.
[Explanation of symbols]
1,120 Beam material
4,110 Interior board
8, 111 exterior plate
5,115 Screw plate
5a, 116 Nut
6, 127 volts
9, 91, 92, 93, 128 Joint adjustment member,
9a, 91a, 92a, 93a, 135 Pressure unit
92c, 93c, 136 Notch
9b, 91b, 92b, 93b, 129 long hole
10, 121 Lip channel steel
10a, 10b, 121A, 121B Rising part
10c, 125 fixed plate
12, 114 Foam resin
14, 15, 112, 113 Frame material
16, 126 Bolt hole
21, 101 Prefabricated refrigerator
22,102 Thermal insulation panel
93d Chamfer
102A Front ceiling panel
102B Rear ceiling panel

Claims (7)

外装板、内装板、及び、外装板と内装板の周縁部を接続する枠材によって形成される空間内に発泡樹脂を充填してなる断熱パネルと、
前記２つの断熱パネルにおける枠材の端面相互を密着させた状態で各枠材に沿って配置される梁材とを有し、
前記梁材の固定板部に形成されたボルト孔にボルトを挿通するとともに、前記外装板の内側に固定されたナット部に対して締結固定し、各断熱パネル間の目地を調節する断熱パネルの目地調節装置において、
前記固定板部の幅と略同一幅を有する平板部と、その平板部に形成され前記枠材に沿って傾斜した長孔とを有する目地調節部材と、
前記梁材の固定板部の両端縁から曲率を有して連続形成されるとともに、前記目地調節部材の平板部を前記梁材の固定板部にまでは落ち込ませず途中で保持する立ち上がり部とを備え、
前記各断熱パネルの枠材相互が対向した状態で前記目地調節部材における平板部の長孔及び前記梁材の固定板部における固定板部のボルト孔にボルトを挿通するとともに、ボルトを前記ナット部に位置決めし、前記各立ち上がり部間で枠材に沿って平板部を移動させることにより長孔の傾斜に対応して各断熱パネル間の目地を調節することを特徴とする断熱パネルの目地調節装置。A heat insulating panel formed by filling a foamed resin in a space formed by an exterior plate, an interior plate, and a frame material connecting the periphery of the exterior plate and the interior plate;
A beam member arranged along each frame member in a state in which the end surfaces of the frame members in the two heat insulation panels are in close contact with each other;
A heat insulating panel for adjusting a joint between each heat insulating panel by inserting a bolt into a bolt hole formed in the fixing plate portion of the beam material and fastening and fixing to a nut portion fixed to the inside of the exterior plate. In joint adjustment device,
A joint adjusting member having a flat plate portion having substantially the same width as the width of the fixed plate portion, and a long hole formed in the flat plate portion and inclined along the frame member;
A rising portion that is continuously formed with curvature from both edges of the fixed plate portion of the beam material, and that holds the flat plate portion of the joint adjusting member in the middle without falling down to the fixed plate portion of the beam material; With
While inserting the bolts into the long holes of the flat plate portion in the joint adjusting member and the bolt holes of the fixing plate portion in the fixing plate portion of the beam material in a state where the frame materials of the heat insulating panels face each other, the bolt is inserted into the nut portion. And the joint between the heat insulation panels is adjusted in accordance with the inclination of the long hole by moving the flat plate portion along the frame material between the rising portions. . 前記枠材に最も近接する長孔の一端部の側における前記平板部の一側端には、上方に折曲された加圧部が設けられていることを特徴とする請求項１記載の断熱パネルの目地調節装置。  2. The heat insulation according to claim 1, wherein a pressure portion bent upward is provided at one side end of the flat plate portion on one end portion side of the long hole closest to the frame member. Panel joint adjuster. 前記加圧部には、前記各立ち上がり部の内、前記枠材から離間する側の一方の立ち上がり部に対応して切欠部が形成されていることを特徴とする請求項２記載の断熱パネルの目地調節装置。  The notch part is formed in the said pressurization part corresponding to one rising part of the side spaced apart from the said frame material among each said rising part, The heat insulation panel of Claim 2 characterized by the above-mentioned. Joint adjustment device. 前記長孔の一端部と枠材の近接する他方の立ち上がり部との距離は、前記外装板の内側に固定されたナット部と他方の立ち上がり部の距離と略一致することを特徴とする請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置。  The distance between the one end portion of the elongated hole and the other rising portion adjacent to the frame member is substantially equal to the distance between the nut portion fixed to the inside of the exterior plate and the other rising portion. The joint adjuster for a heat insulating panel according to any one of claims 1 to 3. 前記長孔の枠材に最も近接する一端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも小さいことを特徴とする請求項１乃至請求項３のいずれかに記載の断熱パネルの目地調節装置。  The distance between the one end portion closest to the frame material of the elongated hole and the rising portion adjacent to the frame material of the fixed plate portion is smaller than the distance between the nut portion and the frame material side peripheral edge of the exterior plate. The joint adjusting device for a heat insulating panel according to any one of claims 1 to 3, wherein 前記長孔の枠材から最も離間する他端部と前記固定板部の枠材に近接する立ち上がり部との距離は、前記ナット部と外装板の枠材側周端縁部との距離よりも大きいことを特徴とする請求項５に記載の断熱パネルの目地調節装置。  The distance between the other end portion farthest from the frame material of the elongated hole and the rising portion adjacent to the frame material of the fixed plate portion is larger than the distance between the nut portion and the frame material side peripheral edge of the exterior plate. The joint adjusting device for a heat insulating panel according to claim 5, wherein the joint adjusting device is large. 前記長孔の内側には段付き加工が施されていることを特徴とする請求項１乃至請求項６のいずれかに記載の断熱パネルの目地調節装置。  The joint adjusting device for a heat insulating panel according to any one of claims 1 to 6, wherein a stepped process is applied to the inside of the elongated hole.
JP2000385130A 1999-12-24 2000-12-19 Insulation panel joint adjustment device Expired - Fee Related JP3768098B2 (en)

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Application Number Priority Date Filing Date Title
JP36703499 1999-12-24
JP11-367034 1999-12-24
JP2000385130A JP3768098B2 (en) 1999-12-24 2000-12-19 Insulation panel joint adjustment device

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JP3768098B2 true JP3768098B2 (en) 2006-04-19

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JP4125519B2 (en) * 2002-01-30 2008-07-30 東都興業株式会社 Joint
JP5198425B2 (en) * 2009-12-28 2013-05-15 ホシザキ電機株式会社 Panel connection device for assembly-type storage

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