JP2004203461A

JP2004203461A - Set-up box

Info

Publication number: JP2004203461A
Application number: JP2002377365A
Authority: JP
Inventors: Hiromu Iwakawa; 煕岩川; Yuri Morikawa; 由理森川
Original assignee: Chuetsu Tec Co Ltd
Current assignee: Chuetsu Tec Co Ltd
Priority date: 2002-12-26
Filing date: 2002-12-26
Publication date: 2004-07-22
Anticipated expiration: 2022-12-26
Also published as: JP3820570B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a set-up box which enables appropriate multi-stacking and can be easily assembled/disassembled. <P>SOLUTION: This set-up box is provided with a bottom plate 22, a front side plate, a rear side plate, left and right side plates, coupling plates 31-34, and left and right top plates; the front side plate and the rear side plate each are composed of outside plates 37 and 40 and inside plates 39 and 42; the left and right top plates are composed of outer top plates 58 and 62 and inner top plates 59 and 63; and the left and right side plates are composed of outside plates 48 and 50 and inside plates 49 and 51. The plates 59 and 63 are folded along fold lines 52 and 53, so that the inside plates 49 and 51 can be superposed on the inside surfaces of the outside plates 48 and 50; the whole shape is formed like a flat plate in a state wherein the left and right side plates each are folded by being superposed on the bottom plate 22; the respective side plates are raised up so as to be perpendicular to the bottom plate; a side edge of a front inside plate and that of a rear inside plate each are engaged with inner surfaces of the left and right side plates; the left and right top plates are folded along the fold lines so that both side edges of the left and right top plates each can be engaged with an upper edge of the front side plate and that of the rear side plate; so that the assembly like a box-shape can be brought about wherein the top plates are provided at both ends. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、主に魚介類等の生鮮食料品の運搬等に使用される組立式箱に関する。
【０００２】
【従来の技術】
従来、魚介類等の生鮮食料品の運搬等には、使用後の再利用や廃棄焼却された際の有害物質発生防止等の環境問題を考慮して、図９、図１０に示すような紙材製の組立式箱が用いられている（例えば、特許文献１を参照）。
【０００３】
この組立式箱１は、底板２の四辺に折り目を介して一体に形成された前側板３、背側板４、左側板５及び右側板６と、左右側板５，６の底板２とは反対側の縁部に折り目を介して一体に形成された左頂板７及び右頂板８とを備えて形成され、図１０に示す打ち抜きの展開された状態から、側板３，４，５，６をそれぞれ組立てて立ち上げるとともに、左右頂板７，８を内側に折り曲げ、左右頂板７，８の両側縁に設けた係止片９，９を前後側板３，４の上縁に設けられた係止孔１０，１０に係止させることによって、箱上面端部に頂板７，８を備えた箱状に組み立てられるようになっており、頂板７，８を箱上面端部に設けたことによって箱全体が補強されるとともに、頂板７，８で上段の箱を支持するので、段積みが容易に行え、しかも箱を多段に積み上げても箱内部に収容された生鮮食料品等の内容物を好適に保護できるようになっている。
【０００４】
また、この組立式箱は、使用後、分解して図１０に示す展開した状態に戻し、再利用を図ったり、廃棄したりするようにしている。
【０００５】
【特許文献１】
特開平１０−３３８２３２号公報（０００２段落、図４，図５）
【０００６】
【発明が解決しようとする課題】
しかし、上述のような従来の組立式箱は、展開された状態から箱に組み立てる作業、或いは箱から展開された状態に分解する作業が困難で作業時間がかかり作業効率が悪いという問題があった。
【０００７】
本発明は、このような従来の技術の状況を鑑み、好適に多段積みができ、容易に組立て及び分解ができる組立式箱の提供を目的とする。
【０００８】
【課題を解決するための手段】
上述の如き従来の問題を解決し、所期の目的を達成するための請求項１の組立式箱は、四角形の底板と、該底板の前背左右の各縁部にそれぞれ折り目を介して一体に形成された前側板、背側板、左側板及び右側板と、前記前側板と前記左側板の各側辺間を連結し、前記底板の隅を始点とした折り目が形成された前左側板間連結板と、前記前側板と前記右側板の各側辺間を連結し、前記底板の隅を始点とした折り目が形成された前右側板間連結板と、前記背側板と前記左側板の各側辺間を連結し、前記底板の隅を始点とした折り目が形成された背左側板間連結板と、前記背側板と前記右側板の各側辺間を連結し、前記底板の隅を始点とした折り目が形成された背右側板間連結板と、前記左側板及び右側板の前記底板とは反対側の縁部にそれぞれ折り目を介して一体に形成された左頂板及び右頂板とを備え、前記前側板及び背側板は、前記底板と折り目を介して連続された外側板と、その底板とは反対側の縁部に一定幅を有する上縁板を介して一体に形成された内側板とをもってそれぞれ構成され、前記上縁板の両縁部を折り目として折り曲げることにより前記内側板を外側板に重ね合わせ、前記左頂板及び右頂板は、それぞれ左右側板の底板とは反対側の縁部に折り目を介して一体に形成された外頂板と、該外頂板の左右側板とは反対側の縁部に折り目を介して一体に形成された内頂板とをもって構成され、前記内頂板を折り目より折り曲げて外頂板に重ね合わせ、前記左側板及び右側板は、前記底板と折り目を介して連続した外側板と、前記内頂板の外頂板とは反対側の縁部に折り目を介して一体に形成された内側板とをもって構成され、前記内頂板を折り目より折り曲げて外頂板の内側面に重ね合わせることにより、前記外側板に内側板が重ね合わされ、前記左右側板をそれぞれ前記底板に重ねて折り畳んだ状態で全体形状を平板状となし、各側板を前記底板に対して直角に立ち上げ、前記前内側板及び背内側板の側縁部をそれぞれ左右側板の内面に係合させるとともに、前記左右頂板を折り目より折り曲げて前記左右頂板の両側縁部をそれぞれ上縁板に係合させ、上面両端部に頂板を備えた箱状に組み立てられるようにしたことを特徴とする。
【０００９】
このように構成することによって、各側板及び左右頂板が補強されて十分な強度を確保し、上面端部に左右頂板を備えることで、箱全体を補強することができるとともに、頂板によって上段に重ねられた箱を支持することができるので、好適に多段積みを行うことができ、また、このような箱の組立て及び分解を容易に行うことができる。
【００１０】
請求項２の発明は、請求項１の構成に加え、左頂板及び右頂板が、両側縁に折り目を介して一体に形成された係止片を備え、上縁板は、前記係止片が係止される係止孔を備えたことを特徴とする。
【００１１】
このように構成することによって、左右頂板の両側縁を前後側板の上縁部を構成する上縁板に対して好適に係止させることができる。
【００１２】
請求項３の発明は、請求項２の構成に加え、係止片が、左頂板及び右頂板の両側縁に折り目を介して一体に形成された挿入板と、該挿入板の内側面又は外側面に重ね合わされる係合板とを備えたことを特徴とする。
【００１３】
このように構成することによって、係合板の縁部が係止孔の縁部に当接して抜け止めがされ、各頂板を好適に上縁板に係合させることができる。
【００１４】
請求項４の発明は、請求項３の構成に加え、係合板が、挿入板の左頂板又は右頂板とは反対側の縁部に折り目を介して一体に形成されたことを特徴とする。
【００１５】
このように構成することによって、別個に部品を必要とせず、係止孔に挿入されると、係合板が折り目を中心にレ字状に開き、係合板の上縁部が係止孔の縁部に当接して抜けにくくなる。
【００１６】
請求項５の発明は、請求項２の構成に加え、係止片が、左外頂板及び右外頂板の両側縁に折り目を介して一体に形成された外係止片と、左内頂板及び右内頂板の両側縁に折り目を介して一体に形成された内係止片とをもって形成され、前記内頂板を折り目より折り曲げて外頂板の内側面に重ね合わせることにより、前記内係止片を前記外係止片に重ね合わされるようにしたことを特徴とする。
【００１７】
このように構成することにより、係止片を補強することができ、頂板と前背側板との連結部を強化することができる。
【００１８】
請求項６の発明は、請求項３、４又は５の構成に加え、上縁板が、前記係止孔と連続した切れ目を備えたことを特徴とする。
【００１９】
このように構成することによって、係止片が係止孔に対して挿入する際には、比較的挿入しやすく、挿入された後は抜けにくくなる。
【００２０】
請求項７の発明は、請求項１〜５又は６の構成に加え、前内側板及び背内側板に、その側縁基端側より先端縁側に斜めに向けた折り目を形成して該折り目より折り畳まれる逃がし片部を備えたことを特徴とする。
【００２１】
このように構成することによって、前内側板及び背内側板が各連結板に干渉せず、容易に組立及び分解を行うことができる。
【００２２】
請求項８の発明は、請求項７の構成に加え、逃がし片部が、引き起こし用の指穴を備えたことを特徴とする。
【００２３】
このように構成することによって、箱を分解する際に、逃がし片部を引き起こし易くし、好適に箱の分解作業を行うことができる。
【００２４】
請求項９の発明は、請求項１〜７又は８の構成に加え、耐水性を有することを特徴とする。
【００２５】
このように構成することによって、魚介類等の運搬に用いられるトロ箱のように、水分や湿気の多い場所にて使用される場合にも適用することができる。
【００２６】
【発明の実施の形態】
次に、本発明に係る組立式箱の実施の形態を図について説明する。
【００２７】
図１は本発明に係る組立式箱の一例を示し、符号２０は組立式箱、２１は蓋である。
【００２８】
組立式箱２０は、段ボール紙等の紙製の板状材を図２に示すように組立式箱を展開した状態に打抜き、これを折曲加工することにより形成されている。尚、組立式箱２０は、板状材を耐水材で覆うことによって耐水処理が施され、耐水性を有している。
【００２９】
この組立式箱２０は、四角形の底板２２と、底板２２の前背左右の縁部にそれぞれ折り目２３〜２６を介して一体に形成された前側板２７、背側板２８、左側板２９及び右側板３０と、前側板２７と左側板２９の各側辺部を連結する前左側板間連結板３１と、前側板２７と右側板３０の各側辺部を連結する前右側板間連結板３２と、背側板２８と左側板２９の各側辺部を連結する背左側板間連結板３３と、背側板２８と右側板３０の各側辺部を連結する背右側板間連結板３４と、左側板２９及び右側板３０の縁部にそれぞれ折り目を介して一体に形成された左頂板３５及び右頂板３６とを備えている。
【００３０】
前側板２７は、底板２２と折り目２３を介して連続した前外側板３７と、その折り目２３とは反対側の縁部に前上縁板３８を介して一体に形成された前内側板３９とをもって構成され、前上縁板３８の両縁部を折り目として折り曲げることにより、前内側板３９を前外側板３７に重ね合わせ、前内側板３９の前上縁板３８とは反対側の縁部に形成された接着片３９ａを前外側板３７の内側面に接着剤により固着させている。
【００３１】
背側板２８は、底板２２と折り目２４を介して連続した背外側板４０と、その折り目２４とは反対側の縁部に背上縁板４１を介して一体に形成された背内側板４２とをもって構成され、背上縁板４１の両縁部を折り目として折り曲げて背内側板４２を背外側板４０の内側面に重ね合わせ、背内側板４２の背上縁板４１とは反対側の縁部に形成された接着片４２ａを背外側板４０の内側面に接着剤により固着させている。
【００３２】
接着片３９ａ，４２ａは、内側板３９，４２の上縁板３８，４１と反対側の縁に切れ目を入れるとともに、縁部と平行に折り目３９ｂ，３９ｃ、４２ｂ，４２ｃを入れることにより形成され、折り目３９ｂ、４２ｂを境に縁側のみを接着剤により外側板の内側面に固着させる。このようにすることによって、図３に示すように、上縁板３８，４１が一定の幅を有していても、無理なく内側板３９，４２を外側板３７，４０に接合することができる。
【００３３】
また、前外側板３７と前内側板３９、背外側板４０と背内側板４２は、ともに略同形の長方形状に形成され、前背内側板３９，４２には、その側縁基端側より先端縁側に斜めに向けた折り目４３，４３を形成して該折り目４３より折り畳まれる逃がし片部４４，４４を備えている。
【００３４】
逃がし片部４４の外側板とは反対側の縁部には、底板２２の縁部に形成された係止孔４５に係合する係合突起４６が形成されている。また、逃がし片部４４の中央部分には、箱を解体する際に、逃がし片部４４が容易に引き起こせるように、半円状の指穴４７，４７が設けられている。
【００３５】
係止孔４５は、底板２２の縁部に、折り目２３，２４の所定の位置の内側にコ字状に切り込みを入れることにより形成され、底板２２に対し、前外側板３７、背外側板４０を立ち上げることにより、係止孔４５が形成されるとともに、前背外側板３７，４０に一体化された脚４５ａが底部より突出するようになっている。
【００３６】
前上縁板３８及び背上縁板４１は、一定幅を有する細長板状に形成され、前側板２７又は背側板２８の上縁部を構成している。
【００３７】
左側板２９は、底板２２と折り目２５を介して連続した左外側板４８と、その左外側板４８に重ね合わされる左内側板４９とをもって構成されている。
【００３８】
右側板３０は、底板２２と折り目２６を介して連続した右外側板５０と、その右外側板５０と重ね合わされる右内側板５１とをもって構成されている。
【００３９】
左内側板４９及び右内側板５１は、折り目５２，５３より折り曲げることにより、それぞれ外側板４８，５０の内面に重ね合わされて左側板２９及び右側板３０を形成する。また、折り目５２，５３で折り曲げることにより、この左右側板２９，３０の底板２２とは反対側の縁部に、左右側板２９，３０と連続した左右頂板３５，３６がそれぞれ形成される。
【００４０】
左内側板４９及び右内側板５１の両側縁には、連結板３１，３２，３３，３４と共に前外側板３７と前内側板３９との間、或いは背外側板４０と背内側板４２との間に挟入される挟入板５４，５４が折り目を介して一体に形成されている。
【００４１】
また、左内側板４９及び右内側板５１の両側縁には、前内側板３９又は背内側板４２の側縁に設けられた係合突起５５が係合されるように係合用の切欠５６が設けられている。
【００４２】
更に、左内側板４９及び右内側板５１の両側縁の、折り目側端部を切り欠く、即ち折り目側端部の前後方向幅を外側板より狭くすることによって、前背側板の上縁部、即ち前上縁板３８，背上縁板４１の両端部が左右内側板４９，５１と干渉しないようになっている。
【００４３】
左頂板３５は、左外側板４８の底板２２とは反対側の縁部に折り目５７を介して一体に形成された左外頂板５８と、左外頂板５８の左外側板４８とは反対側の縁部に折り目５２を介して一体に形成された左内頂板５９とをもって構成され、左内頂板５９を折り目５２より折り曲げて、左外頂板５８の内面に重ね合わせ、その重ね合わされた両板５８，５９が接着剤等により貼り合わされる。また、左内頂板５９の折り目５２とは反対側の縁部に折り目６０を介して左内側板４９が一体に形成されており、左内頂板５９を折り目５２より折り曲げて左外頂板５８に重ね合わせることによって、左側板の左内側板４９が左外側板４８に重なり合うようになっている。
【００４４】
右頂板３６は、右外側板５０の底板２２とは反対側の縁部に折り目６１を介して一体に形成された右外頂板６２と、右外頂板６２の右外側板５０とは反対側の縁部に折り目５３を介して一体に形成された右内頂板６３とをもって構成され、右内頂板６３を折り目５３より折り曲げて、右外頂板６２の内面に重ね合わせ、その重ね合わされた両板６２，６３が接着剤等により貼り合わされる。また、右内頂板６３の折り目５３とは反対側の縁部に折り目６４を介して右内側板５１が一体に形成されており、右内頂板６３を折り目５３より折り曲げて右外頂板６２に重ね合わせることによって、右側板の右内側板５１が左外側板５０に重なり合うようになっている。
【００４５】
左外頂板５８及び右外頂板６２には、その両側辺端部に折り目を介して係止片６５，６５が一体に形成されており、この係止片６５が前側板２７及び背側板２８の上縁、即ち前上縁板３８及び背上縁板４１上に形成された係止孔６６，６６に挿入されて係止されることによって、左右頂板３５，３６がそれぞれ組立式箱の上面端部で前側板２７と背側板２８との間に掛け渡されて固定される。
【００４６】
係止片６５は、左外頂板５８及び右外頂板６２の両側辺端部に折り目を介して連続した挿入板６５ａと、挿入板６５ａの頂板とは反対側の縁部に折り目を介して一体に形成された係合板６５ｂとを備え、係合板６５ｂを折り目より折り曲げて挿入板６５ａの内側面に重ね合わせる。尚、挿入板６５ａと係合板６５ｂとは固着させずにおくか、若しくは接着剤等により固着する。
【００４７】
挿入板６５ａは、鈎状に形成され、係合板６５ｂは、根元部を除いて挿入板６５ａと同形に形成され、これを重ね合わせることにより係止片６５は、厚み方向に重なる鈎状に形成される。
【００４８】
係止孔６６は、図４に示すように、上縁板３８，４１の外側に寄せて形成され、この係止孔６６に連続して切れ目６６ａが形成されている。また、係止孔６６の形状は、幅が挿入板６５ａと係合板６５ｂとを重ね合わせた厚みと同じ、或いはそれよりも狭く形成され、長さが挿入板６５ａの根元部と略同じ長さに形成されている。
【００４９】
このように構成することで、係止片６５は、鈎部の突出した部分で切れ目６６ａを押し広げるとともに、挿入板６５ａと係合板６５ｂとが重ねられた状態で係止孔６６に挿入され、挿入された後は、図５に示すように、弾性力により折り目を中心として係合板６５ｂが挿入板６５ａに重ねられた状態からレ字状に開き、係合板６５ｂの上縁部が上縁板裏面の係止孔６６開口縁部に当接されて抜け止めがされ、また、切れ目６６ａも係止片６５の挿入完了とともに元の状態に回復し、この切れ目６６ａの内側に係止片６５の鈎部が当接し抜けにくくなる。
【００５０】
前左側板間連結板３１、前右側板間連結板３２、背左側板間連結板３３及び背右側板間連結板３４は、それぞれ折り目６７を介して固定部６８と可動部６９とから構成され、固定部６８は、接着剤をもって前背外側板３７，４０の内側面に接着されるようになっている。
【００５１】
尚、組み立てられた際に、各連結板３０，３１，３２，３３の固定部６８と可動部６９とが重なり合った状態で、挟入板５４，５４…とともに、前外側板３７と前内側板３９との間、或いは背外側板４０と背内側板４２との間に挟まれ、押さえられるようになっている。このように、挟入板５４を各連結板３０，３１，３２，３３ととともに挟み込み押さえることによって箱の隅部が補強され、側板を押し広げようとする力に対して十分な強度が得られる。
【００５２】
蓋２１は、平板状に形成され、その両側部に下方に突出した挿入片７０，７０を一体に備え、この挿入片７０，７０が前背側板２７，２８に沿って箱開口部に挿入されることによって、組立式箱２０と蓋２１とが位置決めされるようになっている。
【００５３】
次に、上記の組立式箱の組立方法について図６、図７を参照して説明する。
【００５４】
まず、図６（ａ）〜（ｂ）に示すように、折り目５２，５３に沿って左右内頂板５９，６３、左右内側板４９，５１を内側に折り、重なり合った左外頂板５８と左内頂板５９、右外頂板６２と右内頂板６３とをホットメルト等の接着剤をもって貼着させる。
【００５５】
この際、左右内側板４９，５１が左右外側板４８，５０に重なり合い、左右側板２９，３０が形成される。尚、左右内側板４９，５１と左右外側板４８，５０とを、貼り付けずにおくことで、左右側板を立ち上げる際に左右内側板４９，５１の動作にある程度の自由度を持たせることができ、組立てを好適に行うことができる。
【００５６】
そして、図６（ｂ）〜（ｃ）に示すように、折り目２５，２６に沿って左右側板２９，３０及び左右頂板３５，３６を内側に折り、そのとき一緒に折られる各連結板３１，３２，３３，３４の固定部６８を前背外側板３７，４０の重なり合った部分に接着剤をもって貼着させる。こうすることにより、前背側板２７，２８を立ち上げると貼着された連結板３１，３２，３３，３４に連動して左右側板２９，３０も立ち上がるようになっている。
【００５７】
そして、図６（ｃ）〜（ｄ）に示すように、前上縁板３８の両縁部を折り目として前内側板３９を折り曲げて、前外側板３７に重ね合わせ、重なり合った前内側板３９の接着片３９ａを前外側板３７の内側面を貼着させ、同様に背上縁板４１の両縁部を折り目として折り曲げて背内側板４２を背外側板４０に重ね合わせ、重なり合った背内側板４２の接着片４２ａを背外側板４０の内側面に貼着させる。
【００５８】
これで一次組立が終了し、組立中間部材７１が形成され、この状態で、運搬や保管等を行えば、平板状であるので重ねても嵩張らず効率がよい。
【００５９】
次に、この組立中間部材７１を図７（ｅ）〜（ｆ）に示すように、前側板２７及び背側板２８を立ち上げると、各連結板３１，３２，３３，３４が連動して、各頂板が一体に形成された左右側板２９，３０も立ち上がる。
【００６０】
このとき逃がし片部４４，４４…が側板に対して立ち上がることにより、連結板３１，３２，３３，３４が前背内側板３９，４２に邪魔されずに好適に作動する。
【００６１】
また、前側板２７及び背側板２８、即ち前外側板３７及び背外側板４０が立ち上がることによって、底板の前後側縁部に、係止孔４５，４５が形成されるとともに、脚４５ａ，４５ａが底部に突出する。
【００６２】
そして、図７（ｆ）〜（ｇ）に示すように、逃がし片部４４，４４を元に戻して、前背内側板３９，４２各側縁の係合突起５５，５５を左右側板２９，３０の切欠５６，５６に係合させるとともに、係合突起４６，４６を係止孔４５，４５に係止させる。このとき、連結板３１，３２，３３，３４は、前外側板３７と前内側板３９との間、或いは背外側板４０と背内側板４２との間に、挟入板５４，５４とともに固定部６８と可動部６９とが重なり合った状態で挟まれ、押さえられる。
【００６３】
最後に、図７（ｇ）〜（ｈ）に示すように、折り目５７，６１より頂板３５，３６を内側に折り曲げ、係合板６５ｂを折り目より折り曲げて挿入板６５ａに重ねた係止片６５，６５を前背側板２７，２８の上縁部、即ち各上縁板３８，４１の係止孔６６，６６に挿入し係合させる。
【００６４】
これで、箱の上面端部に頂板３５，３６を備えた組立式箱２０が完成する。
【００６５】
また、この組立式箱２０を分解する際には、左右頂板３５，３６両側辺部の係止片６５，６５を、前背側板２７，２８の上縁部、即ち上縁板３８，４１より取り外すとともに、左右頂板３５，３６を垂直方向、即ち、左右側板２９，３０と同一平面上になるように立ち上げ、また、逃がし片部４４，４４を立ち上げ、そのまま前背側板２７，２８を寝かせると、各連結板３１，３２，３３，３４に連動して頂板が一体化した左右側板２９，３０も寝るので、一次組立が終了したときと同じ状態になる。
【００６６】
尚、上述の実施例では、組立式箱２０を構成する紙製板状材を耐水材で覆って耐水処理を施した例について説明したが、例えば、ポリオレフィン系合成樹脂製の板紙状材料のようにもともと耐水性があり、耐水処理を施す必要のない板状材を用いて構成してもよく、その他用途によって、耐水処理を施さなくともよい。
【００６７】
また、上述の実施例では、係止片６５が挿入板６５ａと係合板６５ｂとが折り目を介して一体に形成された例について説明したが、図８に示すように、上述の係止片６５に代えて、外頂板５８，６２の側縁に折り目を介して一体に形成された外係止片７２，７２と、内頂板５９，６３の側縁に折り目を介して一体に形成された内係止片７３，７３とをもって係止片を形成してもよい。
【００６８】
即ち、折り目５２，５３を介して対称に形成された外係止片７２と内係止片７３とが、折り目５２，５３より内頂板５９，６３を折り曲げて、外頂板５８，６２に重ね合わせることによって、重ね合わされ係止片を形成する。
【００６９】
このように、係止片を外係止片７２と内係止片７３との二重構造とすることによって頂板３５，３６と前後側板２７，２８との係合部が補強される。
【００７０】
また、上述の実施例では、挿入板６５ａの内側に係合板６５ｂを重ねて係止片６５を構成した例について説明したが、係合板６５ｂを挿入板６５ａの外側に重ね合わせて係止片６５を構成してもよく、その際には、係止孔６６を上縁板３８，４１の内側に寄せて形成する。
【００７１】
また、係止片６５は、上述の挿入板６５ａと係合板６５ｂとを重ね合わせて構成した二重構造のものの他、一重構造、即ち挿入板６５ａのみで構成されるようにしてもよい。
【００７２】
更に、上述の実施例では、逃がし片部４４の中央部分に半円状の指穴４７を設けた例について説明したが、逃がし片部４４の上縁板とは反対側の縁部に半円状の切欠を設け、この切欠により逃がし片部４４を引き起こすようにしてもよい。
【００７３】
【発明の効果】
上述のように、本発明に係る組立式箱は、各側板及び頂板がそれぞれ二重構造となって強度が確保され、上面端部に頂板を備えたことによって箱全体が補強され、内部に魚介類等の生鮮食料品を収容した状態で、内部に収容した生鮮食料品等の内容物を傷付けずに多段に積み重ねることができる。
【００７４】
また、組み立て作業及び分解作業を容易に行うことができるので、作業効率が向上し、コストの削減を図ることができる。
【図面の簡単な説明】
【図１】本発明に係る組立式箱の実施の一例を示す斜視図である。
【図２】同上の展開図である。
【図３】同上の前側板（背側板）を示す断面図である。
【図４】同上の係止片と上縁板との係合を示す斜視図である。
【図５】同上の係止片の係合状態を示す断面図である。
【図６】（ａ）〜（ｄ）は同上の組立式箱の組立工程を示す斜視図である。
【図７】（ｅ）〜（ｈ）は同上の組立式箱の組立工程を示す斜視図である。
【図８】係止片の他の一例を示す部分展開図である。
【図９】従来の組立式箱の一例を示す斜視図である。
【図１０】同上の組立式箱の展開図である。
【符号の説明】
２０組立式箱
２１蓋
２２底板
２３〜２６折り目
２７前側板
２８背側板
２９左側板
３０右側板
３１前左側板間連結板
３２前右側板間連結板
３３背左側板間連結板
３４背右側板間連結板
３５左頂板
３６右頂板
３７前外側板
３８前上縁板
３９前内側板
３９ａ接着片
３９ｂ，３９ｃ折り目
４０背外側板
４１背上縁板
４２背内側板
４２ａ接着片
４２ｂ，４２ｃ折り目
４３折り目
４４逃がし片部
４５係止孔
４６係合突起
４７指穴
４８左外側板
４９左内側板
５０右外側板
５１右内側板
５２，５３折り目
５４挟入板
５５係合突起
５６切欠
５７折り目
５８左外頂板
５９左内頂板
６０折り目
６１折り目
６２右外頂板
６３右内頂板
６４折り目
６５係止片
６５ａ挿入板
６５ｂ係合板
６６係止孔
６６ａ切れ目
６７折り目
６８固定部
６９可動部
７０挿入片
７１組立中間部材
７２外係止片
７３内係止片[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an assembling box mainly used for transporting fresh food such as fish and shellfish.
[0002]
[Prior art]
Conventionally, when transporting fresh food such as fish and shellfish, paper such as that shown in FIGS. 9 and 10 is used in consideration of environmental issues such as reuse after use and prevention of generation of harmful substances when incinerated. A prefabricated box made of a material is used (for example, see Patent Document 1).
[0003]
The assembling type box 1 has a front plate 3, a back plate 4, a left plate 5, and a right plate 6 integrally formed on four sides of a bottom plate 2 through folds, and left and right side plates 5, 6 on opposite sides of the bottom plate 2. The left side plate 3, the right side plate 7, and the right side plate 8 are formed integrally at the edge of the side plate via a fold, and the side plates 3, 4, 5, 6 are assembled from the unfolded state shown in FIG. The left and right top plates 7 and 8 are bent inward, and the locking pieces 9 and 9 provided on both side edges of the left and right top plates 7 and 8 are engaged with the locking holes 10 provided on the upper edges of the front and rear side plates 3 and 4. 10, the box can be assembled in a box shape having top plates 7, 8 at the top end of the box. By providing the top plates 7, 8 at the top end of the box, the entire box is reinforced. In addition, the top boxes 7 and 8 support the upper box, making it easy to stack The contents of perishable foodstuffs stored inside the box be stacked in multiple stages so that the suitably protected.
[0004]
After use, the disassembled box is disassembled and returned to the unfolded state shown in FIG. 10, so that it can be reused or discarded.
[0005]
[Patent Document 1]
JP-A-10-338232 (0002 paragraph, FIGS. 4 and 5)
[0006]
[Problems to be solved by the invention]
However, the conventional assembling type box as described above has a problem that it is difficult to assemble the box from the unfolded state or to disassemble the box from the unfolded state to the unfolded state. .
[0007]
SUMMARY OF THE INVENTION The present invention has been made in view of the circumstances of the related art, and has as its object to provide an assembling box that can be suitably stacked in multiple stages and that can be easily assembled and disassembled.
[0008]
[Means for Solving the Problems]
In order to solve the conventional problems as described above and to achieve the intended purpose, the assembling box according to claim 1 is integrated with a square bottom plate via a fold at each of the front left and right edges of the bottom plate. The front side plate, the back side plate, the left side plate, and the right side plate formed on the front side plate and the left side plate between which the front side plate and the left side plate are connected to each other, and the fold starting from the corner of the bottom plate is formed. A connecting plate, a connecting plate between the front side plate and the right side plate, and a front right side plate connecting plate formed with a fold starting from a corner of the bottom plate, and each of the back side plate and the left side plate A connection between the sides, a connection plate between the back and left side plates formed with a fold starting from a corner of the bottom plate, and a connection between the respective sides of the back side plate and the right side plate, starting at the corner of the bottom plate. The connecting plate between the back and right side plates on which the folds are formed, and the left side plate and the right side plate on the edge opposite to the bottom plate, respectively. A left top plate and a right top plate integrally formed with a stitch, wherein the front side plate and the back side plate are an outer plate connected to the bottom plate through a crease, and an edge opposite to the bottom plate. And an inner plate integrally formed via an upper edge plate having a constant width, and the inner plate is overlapped with the outer plate by bending both edges of the upper edge plate as folds, thereby forming the left side. The top plate and the right top plate are each formed with an outer top plate integrally formed with a fold at an edge of the left and right side plates opposite to the bottom plate, and a fold at an edge of the outer top plate opposite to the left and right side plates. An inner top plate integrally formed, the inner top plate is bent from a fold and overlapped with an outer top plate, and the left side plate and the right side plate are connected to the bottom plate and the outer plate continuous through a fold, and the inner top plate Fold it to the edge opposite the outer top plate The inner plate is formed integrally with the outer plate by bending the inner top plate from the fold and overlapping the inner side surface of the outer top plate. The entire shape is flattened in the state of being folded on the bottom plate, each side plate is raised at right angles to the bottom plate, and the side edges of the front inner plate and the back inner plate are engaged with the inner surfaces of the left and right side plates respectively. In addition, the left and right top plates are bent from folds so that both side edges of the left and right top plates are respectively engaged with the upper edge plates, so that the upper and lower top plates can be assembled into a box shape having top plates at both ends on the upper surface.
[0009]
By configuring in this manner, each side plate and the left and right top plates are reinforced to secure sufficient strength, and by providing the left and right top plates at the upper end, the entire box can be reinforced and the top plate is stacked on the upper stage. Since the provided boxes can be supported, multi-stacking can be suitably performed, and assembly and disassembly of such boxes can be easily performed.
[0010]
According to the invention of claim 2, in addition to the structure of claim 1, the left top plate and the right top plate include locking pieces integrally formed on both side edges via folds, and the upper edge plate has the locking pieces. It is characterized by having a locking hole to be locked.
[0011]
With such a configuration, both side edges of the left and right top plates can be suitably locked to the upper edge plates forming the upper edges of the front and rear side plates.
[0012]
According to a third aspect of the present invention, in addition to the configuration of the second aspect, an insertion plate in which locking pieces are integrally formed on both side edges of the left top plate and the right top plate via a fold, and an inner surface or an outer surface of the insertion plate. And an engaging plate superposed on the side surface.
[0013]
With this configuration, the edge of the engagement plate abuts against the edge of the locking hole to prevent the engaging plate from coming off, and each top plate can be suitably engaged with the upper edge plate.
[0014]
According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the engaging plate is formed integrally with an edge of the insertion plate opposite to the left top plate or the right top plate via a fold.
[0015]
With this configuration, when the insertion plate is inserted into the locking hole without requiring a separate component, the engaging plate opens in a U-shape around the fold, and the upper edge of the engaging plate is the edge of the locking hole. It is difficult to come off by contacting the part.
[0016]
According to a fifth aspect of the present invention, in addition to the configuration of the second aspect, the locking pieces are formed integrally with both side edges of the left outer top plate and the right outer top plate via folds, the left inner top plate, The inner locking piece is formed with inner locking pieces integrally formed on both side edges of the right inner top plate via a fold, and the inner locking piece is bent from the fold and overlapped on the inner side surface of the outer top plate to thereby form the inner locking piece. It is characterized by being superimposed on the outer locking piece.
[0017]
With this configuration, the locking pieces can be reinforced, and the connection between the top plate and the front back plate can be strengthened.
[0018]
According to a sixth aspect of the present invention, in addition to the configuration of the third, fourth or fifth aspect, the upper edge plate has a cut continuous with the locking hole.
[0019]
With this configuration, when the locking piece is inserted into the locking hole, it is relatively easy to insert the locking piece, and it is difficult for the locking piece to come off after the insertion.
[0020]
According to a seventh aspect of the present invention, in addition to the configuration of the first to fifth or sixth aspects, the front inner plate and the back inner plate are formed with folds that are inclined obliquely from the base side of the side edge toward the distal end side. It is characterized by having a relief piece that can be folded.
[0021]
With this configuration, the front inner plate and the rear inner plate do not interfere with each connecting plate, and can be easily assembled and disassembled.
[0022]
According to an eighth aspect of the present invention, in addition to the configuration of the seventh aspect, the escape piece has a finger hole for raising.
[0023]
With this configuration, when the box is disassembled, the escape piece is easily caused, and the box can be disassembled appropriately.
[0024]
The invention of claim 9 is characterized in that it has water resistance in addition to the structure of claims 1 to 7 or 8.
[0025]
With such a configuration, the present invention can also be applied to a case where the device is used in a place with high moisture or humidity, such as a toro box used for transporting fish and shellfish.
[0026]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of a prefabricated box according to the present invention will be described with reference to the drawings.
[0027]
FIG. 1 shows an example of a prefabricated box according to the present invention, wherein reference numeral 20 denotes a prefabricated box, and 21 denotes a lid.
[0028]
The assembling box 20 is formed by punching a plate-like material made of paper, such as corrugated cardboard, in a state where the assembling box is developed as shown in FIG. 2 and bending the same. The assembling box 20 is water-resistant by covering a plate-like material with a water-resistant material, and has water resistance.
[0029]
The assembling box 20 includes a square bottom plate 22, and a front plate 27, a back plate 28, a left plate 29, and a right plate that are integrally formed on the front left and right edges of the bottom plate 22 through folds 23 to 26, respectively. 30, a front left inter-panel connecting plate 31 for connecting each side of the front side plate 27 and the left side plate 29, and a front right inter-panel connecting plate 32 for connecting each side of the front side plate 27 and the right side plate 30; A left-to-right inter-plate connecting plate 33 for connecting the respective side portions of the rear-side plate 28 and the left-side plate 29; a right-to-left inter-plate connecting plate 34 for connecting the respective side portions of the back-side plate 28 and the right-side plate 30; A left top plate 35 and a right top plate 36 are formed integrally at the edges of the plate 29 and the right plate 30 via folds, respectively.
[0030]
The front side plate 27 includes a front outer plate 37 continuous with the bottom plate 22 and the fold line 23, and a front inner plate 39 integrally formed with a front upper edge plate 38 at an edge opposite to the fold line 23. By folding both edges of the front upper edge plate 38 as folds, the front inner plate 39 is overlapped with the front outer plate 37, and the edge of the front inner plate 39 on the side opposite to the front upper edge plate 38. Is fixed to the inner surface of the front outer plate 37 with an adhesive.
[0031]
The back side plate 28 includes a back outside plate 40 continuous with the bottom plate 22 via the fold line 24, and a back inside plate 42 integrally formed with a back side edge plate 41 on the edge opposite to the fold line 24. The upper back edge plate 41 is bent at both edges so as to fold the back inner side plate 42 on the inner surface of the back outer side plate 40, and the edge of the back inner side plate 42 on the opposite side to the back upper side edge plate 41. The adhesive piece 42a formed in the portion is fixed to the inner surface of the back outer plate 40 with an adhesive.
[0032]
The adhesive pieces 39a, 42a are formed by making cuts in the edges opposite to the upper edge plates 38, 41 of the inner plates 39, 42, and making folds 39b, 39c, 42b, 42c in parallel with the edges. Only the edge side is fixed to the inner side surface of the outer plate with the adhesive at the boundary between the folds 39b and 42b. By doing so, as shown in FIG. 3, even if the upper edge plates 38, 41 have a certain width, the inner plates 39, 42 can be joined to the outer plates 37, 40 without difficulty. .
[0033]
Further, the front outer plate 37 and the front inner plate 39, and the back outer plate 40 and the back inner plate 42 are both formed in substantially the same rectangular shape, and the front back inner plates 39 and 42 are formed from the side edge base end side. Folds 43, 43 are formed diagonally toward the leading edge and are provided with escape pieces 44, 44 that are folded from the folds 43.
[0034]
An engagement projection 46 that engages with an engagement hole 45 formed on the edge of the bottom plate 22 is formed on the edge of the escape piece 44 opposite to the outer plate. Further, semicircular finger holes 47, 47 are provided in the center of the escape piece 44 so that the escape piece 44 can be easily caused when the box is disassembled.
[0035]
The locking hole 45 is formed by making a notch in a U-shape inside a predetermined position of the folds 23, 24 at the edge of the bottom plate 22, and the front plate 37 and the back outer plate 40 are formed in the bottom plate 22. As a result, the locking hole 45 is formed, and the legs 45a integrated with the front and rear outer plates 37 and 40 project from the bottom.
[0036]
The front upper edge plate 38 and the back upper edge plate 41 are formed in an elongated plate shape having a fixed width, and constitute an upper edge portion of the front side plate 27 or the back side plate 28.
[0037]
The left side plate 29 includes a left outer plate 48 continuous with the bottom plate 22 via the fold 25 and a left inner plate 49 superposed on the left outer plate 48.
[0038]
The right side plate 30 includes a right outer plate 50 that is continuous with the bottom plate 22 and the crease 26, and a right inner plate 51 that is overlapped with the right outer plate 50.
[0039]
The left inner plate 49 and the right inner plate 51 are folded from the folds 52 and 53 to be superimposed on the inner surfaces of the outer plates 48 and 50, respectively, to form the left plate 29 and the right plate 30. Further, by bending at the folds 52 and 53, left and right top plates 35 and 36 continuous with the left and right side plates 29 and 30 are formed at the edges of the left and right side plates 29 and 30 opposite to the bottom plate 22.
[0040]
On both side edges of the left inner plate 49 and the right inner plate 51, between the front outer plate 37 and the front inner plate 39 together with the connecting plates 31, 32, 33, 34, or between the rear outer plate 40 and the rear inner plate 42. The sandwiching plates 54, 54 sandwiched therebetween are integrally formed via folds.
[0041]
Notches 56 for engagement are formed on both side edges of the left inner plate 49 and the right inner plate 51 so that engagement protrusions 55 provided on the side edges of the front inner plate 39 or the back inner plate 42 are engaged. Is provided.
[0042]
Furthermore, by cutting out the fold side ends of both side edges of the left inner plate 49 and the right inner plate 51, that is, making the front and rear widths of the fold side ends narrower than the outer plates, That is, both ends of the front upper edge plate 38 and the back upper edge plate 41 do not interfere with the left and right inner plates 49 and 51.
[0043]
The left top plate 35 has a left outer top plate 58 integrally formed with a fold 57 at an edge of the left outer plate 48 opposite to the bottom plate 22, and a left outer top plate 58 opposite to the left outer plate 48. A left inner top plate 59 integrally formed at the edge portion with a fold 52 therebetween is formed. The left inner top plate 59 is bent from the fold 52 and overlapped on the inner surface of the left outer top plate 58. , 59 are bonded together with an adhesive or the like. A left inner plate 49 is formed integrally with the left inner top plate 59 at an edge opposite to the fold 52 via a fold 60. The left inner top plate 59 is bent from the fold 52 and overlaps the left outer top plate 58. By matching, the left inner plate 49 of the left plate overlaps the left outer plate 48.
[0044]
The right top plate 36 has a right outer top plate 62 integrally formed with a fold 61 on an edge of the right outer plate 50 opposite to the bottom plate 22, and a right outer plate 50 of the right outer top plate 62 opposite to the right outer plate 50. A right inner top plate 63 integrally formed at the edge portion with a fold 53 therebetween is formed. The right inner top plate 63 is bent from the fold 53 and overlapped on the inner surface of the right outer top plate 62. , 63 are bonded together with an adhesive or the like. Further, the right inner plate 51 is formed integrally with the right inner top plate 63 at the edge opposite to the fold 53 via a fold 64, and the right inner top plate 63 is bent from the fold 53 and overlaps the right outer top plate 62. By combining, the right inner plate 51 of the right plate overlaps the left outer plate 50.
[0045]
The left outer top plate 58 and the right outer top plate 62 are integrally formed with locking pieces 65, 65 via folds at both side edges, and the locking pieces 65 are formed on the front side plate 27 and the back side plate 28. The left and right top plates 35, 36 are inserted into and locked in the locking holes 66, 66 formed on the upper edge, ie, the front upper edge plate 38 and the back upper edge plate 41, so that the left and right top plates 35, 36 are respectively located at the upper end of the assembling box. The part is bridged and fixed between the front side plate 27 and the back side plate 28.
[0046]
The locking piece 65 is integrated with the insertion plate 65a that is continuous at both side edges of the left outer top plate 58 and the right outer top plate 62 via a fold, and at the edge of the insertion plate 65a opposite to the top plate via the fold. And an engagement plate 65b formed on the inner surface of the insertion plate 65a. The insertion plate 65a and the engagement plate 65b are not fixed, or are fixed by an adhesive or the like.
[0047]
The insertion plate 65a is formed in a hook shape, and the engagement plate 65b is formed in the same shape as the insertion plate 65a except for the root portion. By overlapping the engagement plate 65b, the locking piece 65 is formed in a hook shape overlapping in the thickness direction. Is done.
[0048]
As shown in FIG. 4, the locking hole 66 is formed outside the upper edge plates 38 and 41, and a cut 66 a is formed continuously with the locking hole 66. In addition, the shape of the locking hole 66 is formed to have a width equal to or smaller than the thickness of the insertion plate 65a and the engagement plate 65b overlapped, and has a length substantially equal to the root of the insertion plate 65a. Is formed.
[0049]
With such a configuration, the locking piece 65 expands the cut 66a at the protruding portion of the hook, and is inserted into the locking hole 66 in a state where the insertion plate 65a and the engagement plate 65b are overlapped, After the insertion, as shown in FIG. 5, the engagement plate 65b is opened from the state where the engagement plate 65b is overlapped on the insertion plate 65a by a resilient force so that the upper edge of the engagement plate 65b is the upper edge plate. The stopper 66 comes into contact with the opening edge of the locking hole 66 on the back surface, and the cut 66a is restored to the original state when the insertion of the locking piece 65 is completed. The hooks come into contact with each other, making it difficult for them to come off.
[0050]
The front left inter-plate connecting plate 31, the front right inter-plate connecting plate 32, the back left inter-plate connecting plate 33, and the back right inter-plate connecting plate 34 are each composed of a fixed portion 68 and a movable portion 69 via a fold 67. The fixing portion 68 is bonded to the inner surfaces of the front and rear outer plates 37 and 40 with an adhesive.
[0051]
When assembled, the fixed portions 68 and the movable portions 69 of the connecting plates 30, 31, 32, 33 overlap with the sandwiching plates 54, 54, and together with the front outer plate 37 and the front inner plate. 39 or between the back outer plate 40 and the back inner plate 42 so as to be held down. In this manner, by sandwiching and holding the sandwiching plate 54 together with the connecting plates 30, 31, 32, and 33, the corners of the box are reinforced, and sufficient strength is obtained against the force for pushing and expanding the side plates. .
[0052]
The lid 21 is formed in a flat plate shape, and integrally includes insertion pieces 70, 70 protruding downward on both sides thereof, and the insertion pieces 70, 70 are inserted into the box opening along the front and back side plates 27, 28. Thereby, the assembly type box 20 and the lid 21 are positioned.
[0053]
Next, a method of assembling the above assembling box will be described with reference to FIGS.
[0054]
First, as shown in FIGS. 6A and 6B, the left and right inner top plates 59 and 63 and the left and right inner plates 49 and 51 are folded inward along the fold lines 52 and 53, and the left outer top plate 58 and the left inner top plate 58 overlap each other. The top plate 59, the right outer top plate 62, and the right inner top plate 63 are adhered with an adhesive such as hot melt.
[0055]
At this time, the left and right inner plates 49 and 51 overlap with the left and right outer plates 48 and 50 to form left and right side plates 29 and 30. The left and right inner plates 49, 51 and the left and right outer plates 48, 50 are not attached, so that the left and right inner plates 49, 51 have a certain degree of freedom of operation when the left and right side plates are started up. And the assembling can be suitably performed.
[0056]
Then, as shown in FIGS. 6B to 6C, the left and right side plates 29, 30 and the left and right top plates 35, 36 are folded inward along the fold lines 25, 26, and the connecting plates 31, The fixing portions 68 of the base plates 32, 33, and 34 are adhered to the overlapping portions of the front and back outer plates 37 and 40 with an adhesive. In this way, when the front back plates 27, 28 are raised, the left and right plates 29, 30 are also raised in conjunction with the attached connecting plates 31, 32, 33, 34.
[0057]
Then, as shown in FIGS. 6C to 6D, the front inner plate 39 is bent by folding the front inner plate 39 with both edges of the front upper edge plate 38 as folds, and is overlapped with the front outer plate 37. Is adhered to the inner surface of the front outer plate 37, and both edges of the upper back edge plate 41 are similarly folded at the folds to overlap the back inner plate 42 with the back outer plate 40, thereby overlapping the back inside. The adhesive piece 42a of the plate 42 is attached to the inner surface of the back outer plate 40.
[0058]
Thus, the primary assembly is completed, and the assembly intermediate member 71 is formed. In this state, if transportation or storage is performed, the shape is a flat plate, so that it is efficient without being bulky even when stacked.
[0059]
Next, as shown in FIGS. 7 (e) to 7 (f), when the front plate 27 and the back plate 28 are raised, the connecting plates 31, 32, 33, 34 are interlocked, and The left and right side plates 29, 30 in which the respective top plates are integrally formed also stand up.
[0060]
At this time, the escape pieces 44, 44... Stand up with respect to the side plates, so that the connecting plates 31, 32, 33, 34 operate properly without being obstructed by the front back inner plates 39, 42.
[0061]
When the front plate 27 and the back plate 28, that is, the front outside plate 37 and the back outside plate 40 stand up, locking holes 45, 45 are formed in the front and rear side edges of the bottom plate, and the legs 45 a, 45 a are attached. Protruding to the bottom.
[0062]
Then, as shown in FIGS. 7 (f) to 7 (g), the escape pieces 44, 44 are returned to the original state, and the engagement projections 55, 55 on the respective side edges of the front back inner plates 39, 42 are connected to the left and right side plates 29, The engagement projections 46 are locked in the locking holes 45, while the notches 56 are engaged with the notches 56. At this time, the connecting plates 31, 32, 33, 34 are fixed together with the sandwiching plates 54, 54 between the front outer plate 37 and the front inner plate 39 or between the rear outer plate 40 and the rear inner plate 42. The part 68 and the movable part 69 are sandwiched and held in an overlapping state.
[0063]
Finally, as shown in FIGS. 7 (g) to 7 (h), the top plates 35, 36 are bent inward from the folds 57, 61, the engagement plate 65b is bent from the fold, and the locking pieces 65, 65 is inserted into and engaged with the upper edges of the front back plates 27, 28, ie, the locking holes 66, 66 of the upper edge plates 38, 41.
[0064]
Thus, the assembling box 20 having the top plates 35 and 36 at the upper end of the box is completed.
[0065]
When disassembling the assembling box 20, the locking pieces 65, 65 on both sides of the left and right top plates 35, 36 are separated from the upper edges of the front back plates 27, 28, that is, from the upper edge plates 38, 41. At the same time, the left and right top plates 35, 36 are raised in the vertical direction, that is, on the same plane as the left and right side plates 29, 30, and the escape pieces 44, 44 are raised. When laid down, the left and right side plates 29, 30 with the integrated top plate are also laid down in conjunction with the respective connecting plates 31, 32, 33, 34, so that they are in the same state as when the primary assembly is completed.
[0066]
Note that, in the above-described embodiment, an example in which the paper-made plate-shaped material constituting the assembling box 20 is covered with the water-resistant material and subjected to the water-resistant treatment has been described, but, for example, a paperboard-shaped material made of a polyolefin-based synthetic resin is used. It may be constituted by using a plate-like material which is originally water-resistant and does not need to be subjected to the water-resistant treatment, and may not be subjected to the water-resistant treatment depending on other uses.
[0067]
Further, in the above-described embodiment, the example in which the locking piece 65 is formed integrally with the insertion plate 65a and the engagement plate 65b through the fold line has been described. However, as shown in FIG. Instead, the outer locking pieces 72, 72 formed integrally with the side edges of the outer top plates 58, 62 through folds, and the inner locking pieces 72 formed integrally with the side edges of the inner top plates 59, 63 through folds. The locking pieces may be formed with the locking pieces 73, 73.
[0068]
That is, the outer locking pieces 72 and the inner locking pieces 73 symmetrically formed via the folds 52 and 53 bend the inner top plates 59 and 63 from the folds 52 and 53 and overlap the outer top plates 58 and 62. Thereby, they are superposed to form a locking piece.
[0069]
As described above, the engagement portion between the top plates 35 and 36 and the front and rear side plates 27 and 28 is reinforced by forming the engagement piece into the double structure of the outer engagement piece 72 and the inner engagement piece 73.
[0070]
Further, in the above-described embodiment, the example in which the engaging plate 65b is overlapped on the inner side of the insertion plate 65a to form the locking piece 65 has been described. In this case, the locking holes 66 are formed to be closer to the inside of the upper edge plates 38 and 41.
[0071]
The locking piece 65 may have a single structure, that is, only the insertion plate 65a, in addition to the double structure in which the insertion plate 65a and the engagement plate 65b are overlapped with each other.
[0072]
Further, in the above-described embodiment, the example in which the semicircular finger hole 47 is provided in the center portion of the escape piece 44 has been described, but the semicircle is formed on the edge opposite to the upper edge plate of the escape piece 44. It is also possible to provide a notch in the shape of a letter, and to cause the escape piece 44 by the notch.
[0073]
【The invention's effect】
As described above, in the prefabricated box according to the present invention, each side plate and the top plate have a double structure to ensure strength, and the entire box is reinforced by the provision of the top plate at the upper end portion, and the fish and shellfish inside the box. With fresh foods such as foods stored therein, the contents of the fresh foods and the like stored therein can be stacked in multiple stages without damaging the contents.
[0074]
Further, since the assembling work and the disassembling work can be easily performed, the working efficiency is improved, and the cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of an embodiment of a knockdown box according to the present invention.
FIG. 2 is a development view of the above.
FIG. 3 is a cross-sectional view showing a front plate (a back plate) of the above.
FIG. 4 is a perspective view showing engagement between the locking piece and an upper edge plate according to the first embodiment;
FIG. 5 is a cross-sectional view showing an engagement state of the locking piece according to the first embodiment.
FIGS. 6A to 6D are perspective views showing an assembling process of the assembling box of the above.
FIGS. 7 (e) to 7 (h) are perspective views showing steps of assembling the assembling box of the above.
FIG. 8 is a partial development view showing another example of the locking piece.
FIG. 9 is a perspective view showing an example of a conventional assembling box.
FIG. 10 is an exploded view of the assembling box.
[Explanation of symbols]
Reference Signs List 20 assembling box 21 lid 22 bottom plate 23-26 fold 27 front side plate 28 back side plate 29 left side plate 30 right side plate 31 front left side plate connection plate 32 front right side plate connection plate 33 back left side plate connection plate 34 back right side plate Connecting plate 35 Left top plate 36 Right top plate 37 Front outer plate 38 Front upper edge plate 39 Front inner plate 39a Adhesive pieces 39b, 39c Fold 40 Back outer plate 41 Back upper edge plate 42 Back inner plate 42a Adhesive pieces 42b, 42c Fold 43 Fold 44 Escape part 45 Lock hole 46 Engagement projection 47 Finger hole 48 Left outer plate 49 Left inner plate 50 Right outer plate 51 Right inner plate 52, 53 Fold 54 Insertion plate 55 Engagement protrusion 56 Notch 57 Fold 58 Left outer Top plate 59 Left inner top plate 60 Fold 61 Fold 62 Right outer top plate 63 Right inner top plate 64 Fold 65 Lock piece 65a Insert plate 65b Engage plate 66 Lock hole 66a Cut 67 Fold 68 Fixing part 6 9 movable part 70 insertion piece 71 assembly intermediate member 72 outer locking piece 73 inner locking piece

Claims

A square bottom plate, a front side plate, a back side plate, a left side plate, and a right side plate which are integrally formed via folds at respective front and rear left and right edges of the bottom plate; and each side of the front side plate and the left side plate The front side left side plate connecting plate formed with a fold with the corner of the bottom plate as a starting point, the front side plate and the right side plate are connected to each side, and the corner of the bottom plate as a starting point A front-right inter-board connection plate having a fold formed therein, a back-left inter-plane connection plate having a fold formed from a corner of the bottom plate connecting between the respective sides of the back plate and the left side plate, The back-side plate and the right-side plate are connected to each side, and a back-right-side plate connecting plate formed with a fold starting from a corner of the bottom plate, and the left-side plate and the right-side plate opposite the bottom plate. With a left top plate and a right top plate integrally formed at the edge of each via a fold,
The front plate and the back plate are an outer plate that is continuous with the bottom plate through a fold, and an inner plate that is integrally formed with an upper edge plate having a fixed width at an edge opposite to the bottom plate. Respectively, and the inner plate is overlapped with the outer plate by folding both edges of the upper edge plate as folds,
The left top plate and the right top plate each have an outer top plate integrally formed with a fold at an edge opposite to the bottom plate of the left and right side plates, and a fold at an edge opposite to the left and right side plates of the outer top plate. An inner top plate formed integrally with the outer top plate by bending the inner top plate from a fold,
The left side plate and the right side plate include an outer plate continuous with the bottom plate via a fold, and an inner plate integrally formed with a fold at an edge of the inner top plate opposite to the outer top plate via a fold. By bending the inner top plate from the fold and overlapping the inner surface of the outer top plate, the inner plate is overlapped with the outer plate,
The left and right side plates are respectively stacked on the bottom plate and folded, and the entire shape is flat, and each side plate is raised at right angles to the bottom plate, and the side edges of the front inner plate and the back inner plate are respectively left and right. While being engaged with the inner surface of the side plate, the left and right top plates were bent from folds to engage both side edges of the left and right top plates with the upper edge plate, respectively, so that the upper surface could be assembled into a box having top plates at both ends. A prefabricated box characterized by that.

The left top plate and the right top plate each include a locking piece integrally formed on both side edges via folds, and the upper edge plate includes a locking hole in which the locking piece is locked. Assembled box.

The locking piece according to claim 2, further comprising: an insertion plate integrally formed on both side edges of the left top plate and the right top plate via a fold, and an engagement plate superposed on the inner surface or the outer surface of the insertion plate. The assembled box described.

The assembly box according to claim 3, wherein the engagement plate is formed integrally with an edge of the insertion plate opposite to the left top plate or the right top plate via a fold.

The locking piece is formed integrally with both side edges of the left outer top plate and the right outer top plate via folds, and is formed integrally with both side edges of the left inner top plate and the right inner top plate via folds. Wherein the inner locking piece and the outer locking piece are overlapped by bending the inner top plate from a fold and overlapping the inner surface of the outer top plate. 3. The assembly box according to 2.

The assembly box according to claim 3, wherein the upper edge plate has a cut continuous with the locking hole.

The assembly according to claim 1, wherein the front inner plate and the back inner plate are provided with a fold that is formed obliquely from the base end side of the side edge toward the front end side and is folded away from the fold. Expression box.

The assembly box according to claim 7, wherein the escape piece has a finger hole for raising.

The assembly box according to claim 1, which has water resistance.