JP6564485B2 - Assembly box - Google Patents
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- JP6564485B2 JP6564485B2 JP2018063509A JP2018063509A JP6564485B2 JP 6564485 B2 JP6564485 B2 JP 6564485B2 JP 2018063509 A JP2018063509 A JP 2018063509A JP 2018063509 A JP2018063509 A JP 2018063509A JP 6564485 B2 JP6564485 B2 JP 6564485B2
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本発明は、段ボール、厚紙、薄紙、合成紙、合成樹脂シート等の平板を折り曲げることにより形成される組立箱に関するものである。 The present invention relates to an assembly box formed by folding a flat plate such as corrugated cardboard, cardboard, thin paper, synthetic paper, or synthetic resin sheet.
段ボール、厚紙、薄紙、合成紙、合成樹脂シート等の平板を折り曲げることによって形成される組立箱は、搬送時および収納時は展開して平板状とすることで省スペース化し、使用時は接着剤や粘着テープ等の接着部材を用いずに簡単に組み立て可能であるため、幅広い分野で使用され小さいものから大きいものまで様々なサイズの組立箱が利用されている。
従来、組立箱に収納する収納物の重みや、組立箱を積み上げることによってかかる圧力、動かすことによる振動等により、組立箱が変形する、底が抜けてしまう、側面が外れて潰れてしまう等の問題が発生し、耐久性や形状安定性を高める工夫が行われてきた。
Assembly boxes formed by folding flat plates such as corrugated cardboard, cardboard, thin paper, synthetic paper, synthetic resin sheet, etc. save space by unfolding and flattening during transportation and storage, and adhesive when used Since it can be easily assembled without using an adhesive member such as an adhesive tape, assembly boxes of various sizes from small to large are used in a wide range of fields.
Conventionally, due to the weight of the items stored in the assembly box, the pressure applied by stacking the assembly boxes, the vibration caused by the movement, etc., the assembly box is deformed, the bottom is pulled out, the side is removed and crushed, etc. Problems have arisen and efforts have been made to improve durability and shape stability.
例えば、特許文献１は、包装用箱に関するもので、本体１０の第１側片１５及び第２側片２０を各折曲線１２、１３で夫々起立させた状態で第１側片１５及び第２側片２０に設けられた各係止片１８を切込み２１に嵌め込むことにより、係止片１８の勁部１９側の側縁が切込み２１に確実に当接して係合状態が保持され、一体に組み立てられるように構成される（その段落００１１〜００１３）ことが記載されている。
また特許文献２は、容器コーナー部の結合方法及び結合構造に関するもので、長方形状の紙器本体２０の４つの外周壁２２に設けられた係止舌片２３を係止溝２４に差し込むこと、また係止舌片２３はその差し込み方向前方側の一側辺２３０ほぼ中央に略く字状切り込み２３１が形成されており、係止舌片２３の切り込み２３１が係止溝２４の一端２４３に嵌まり込んで係止され、係止舌片２３を有する外周壁２２に倒れる方向に荷重が作用しても切り込み２３１と係止溝２４の一端２４３とが係合しているので、外周壁２２の倒れを確実に防止できる（その段落００１６〜００２２）ことが記載されている。
For example, Patent Document 1 relates to a packaging box, and the first side piece 15 and the second side piece 15 in a state in which the first side piece 15 and the second side piece 20 of the main body 10 are erected on the folding lines 12 and 13, respectively. By fitting each locking piece 18 provided on the side piece 20 into the notch 21, the side edge of the locking piece 18 on the side of the flange 19 is surely brought into contact with the notch 21, and the engaged state is maintained. (Paragraphs 0011 to 0013 thereof).
Patent Document 2 relates to a container corner portion coupling method and a coupling structure, in which the locking tongue pieces 23 provided on the four outer peripheral walls 22 of the rectangular paper container body 20 are inserted into the locking grooves 24. The locking tongue piece 23 is formed with a substantially U-shaped cut 231 substantially at the center of one side 230 on the front side in the insertion direction, and the cut 231 of the locking tongue piece 23 fits into one end 243 of the locking groove 24. Even if a load is applied in a direction to fall on the outer peripheral wall 22 having the locking tongue piece 23, the notch 231 and the one end 243 of the locking groove 24 are engaged with each other. (Paragraphs 0016 to 0022) can be surely prevented.
しかしながら、特許文献１の包装用箱に関しては、組立箱の側面同士の結合構造において、側面に設けられた係止片を切込みに差し込むだけの構造であるため、組立箱内の収納物が振動や衝撃により移動した等の理由で組立箱の内側面から外側へ力が加わった場合、係止片が切り込みから外れてしまい組立箱が分解してしまうことや、組立箱の外側から内側へ力が加わった場合、側面が内側に倒れてしまい組立箱が破損してしまう等の問題が発生する。
また、特許文献２の容器コーナー部の結合構造に関しては、係止舌片に設けられた切り込みが係止溝の一端に嵌まり込んで係止されるものの、係止溝になんら工夫がなされていないため、切り込みと係止溝の一端との結合が弱く、組立箱に強い衝撃が加えられると係止舌片から係止溝が抜け出てしまう。
また、耐久性や形状安定性を高めるためには、係止片が切り込みから外れないように工夫することに加えて、組立箱の側面同士の結合構造周辺や角部の強度に関しても考慮し、組立箱自体が潰れないように工夫する必要があるが、特許文献１の包装用箱および特許文献２の容器コーナー部の結合構造は、結合構造周辺や角部の強度に関してはなんら考慮されていない。
However, with respect to the packaging box of Patent Document 1, in the coupling structure of the side surfaces of the assembly box, the latching piece provided on the side surface is simply inserted into the cut, so If force is applied from the inner surface of the assembly box to the outside due to movement due to impact, etc., the locking piece will be disengaged from the notch and the assembly box will be disassembled, or force will be applied from the outside of the assembly box to the inside. If it is added, problems such as the side wall falling to the inside and the assembly box being damaged occur.
In addition, regarding the coupling structure of the container corner portion of Patent Document 2, although the notch provided in the locking tongue piece fits into one end of the locking groove and is locked, there is some contrivance in the locking groove. Therefore, the coupling between the notch and one end of the locking groove is weak, and the locking groove comes out of the locking tongue piece when a strong impact is applied to the assembly box.
In addition, in order to increase durability and shape stability, in addition to devising that the locking piece does not come off from the notch, also consider the strength of the joint structure around the side surfaces of the assembly box and the strength of the corners, Although it is necessary to devise so that the assembly box itself is not crushed, the connection structure of the packaging box of Patent Document 1 and the container corner part of Patent Document 2 is not considered at all regarding the strength of the periphery of the connection structure and the corner part. .
そこで本発明の目的は、平板を折り曲げることにより形成される組立箱において、組立箱の内側や外側から力が加えられた場合でも確実に側面同士の結合状態を保持することが可能で、組立箱を積み上げたとしても潰れることのない耐久性および形状安定性を備えた組立箱を提供することを目的とする。 SUMMARY OF THE INVENTION An object of the present invention is to provide an assembly box that is formed by bending a flat plate, and can securely hold the coupled state of the side surfaces even when force is applied from the inside or outside of the assembly box. An object of the present invention is to provide an assembly box having durability and shape stability that does not collapse even when stacked.
本発明は、平板を折り曲げることによって形成される組立箱において、前記平板は、底面板と、前記底面板の第１辺に連接された第１側板と、前記第１辺に隣接する前記底面板の第２辺に連接された第２側板から構成され、前記第１側板は第１切込を有する係止片を備え、前記第２側板は前記係止片を係止するための前記第１切込と略同一の傾斜角度をもった第２切込を有し、前記組立箱は前記第１切込と前記第２切込が係合することで、前記係止片と前記第２切込の結合状態が保持されていることを特徴とする。
また本発明の組立箱は、前記組立箱の外側で前記第１切込の上片と前記第２切込の下片が当接し、前記組立箱の内側で前記第１切込の下片と前記第２切込の上片が当接することにより、前記第２側板の内側への倒れ込みおよび前記係止片の抜けが防止されていることを特徴とする。
本発明によれば、係止片を第２切込に差し込んだ際に係止片に備えられた第１切込と第２側板の第２切込とが係合することで、第１側板（係止片）と第２側板（第２切込）が結合して、組立箱を形成する。係止片を第２切込に差し込むと、係止片に備えられた第１切込が開口し、第１切込の上片と第２切込の下片が組立箱の外側において当接し、第１切込の下片と第２切込の上片が組立箱の内側において当接して、係止めされる。第１切込の傾斜角度と第２切込の傾斜角度が傾斜角度θで略同一となっているため、内側または外側から第２側板に対して力が加えられたとしても比較広い範囲で第１切込の上下片および第２切込の上下片が各々当接し、係止片が深く挿入されて第１側板が内側に倒れ込んでしまうといった問題や、係止片が第２切込から抜け出てしまい、第１側板が外側に倒れ込んで組立箱が分解しまうといった問題を回避することができる。
このように、確実に係止片と第２切込の結合状態を保持することができ、形状安定性を備えた組立箱を提供することが可能となる。
The present invention relates to an assembly box formed by bending a flat plate, wherein the flat plate is a bottom plate, a first side plate connected to the first side of the bottom plate, and the bottom plate adjacent to the first side. The first side plate includes a locking piece having a first notch, and the second side plate locks the locking piece with the first side plate. A second notch having substantially the same inclination angle as the notch, and the assembly box is engaged with the first notch and the second notch so that the locking piece and the second notch are engaged. It is characterized in that the combined state of the lock is maintained.
In the assembly box of the present invention, the upper piece of the first cut and the lower piece of the second cut abut on the outside of the assembly box, and the lower piece of the first cut on the inside of the assembly box. When the upper piece of the second cut comes into contact, it is possible to prevent the second side plate from falling down and the locking piece from coming off.
According to the present invention, when the locking piece is inserted into the second cut, the first cut provided on the lock piece and the second cut of the second side plate are engaged, whereby the first side plate The (locking piece) and the second side plate (second cut) are combined to form an assembly box. When the locking piece is inserted into the second cut, the first cut provided in the locking piece opens, and the upper piece of the first cut and the lower piece of the second cut abut on the outside of the assembly box. The lower piece of the first cut and the upper piece of the second cut come into contact with each other inside the assembly box and are locked. Since the inclination angle of the first notch and the inclination angle of the second notch are substantially the same as the inclination angle θ, even if a force is applied to the second side plate from the inside or the outside, the first incision angle is relatively wide. The upper and lower pieces of the first cut and the upper and lower pieces of the second cut are in contact with each other, the locking piece is inserted deeply and the first side plate falls inward, and the locking piece comes out of the second cut. Therefore, it is possible to avoid the problem that the first side plate falls to the outside and the assembly box is disassembled.
In this way, it is possible to reliably hold the coupling state between the locking piece and the second cut, and to provide an assembly box having shape stability.
本発明の組立箱は、前記係止片の前記第１切込の端部周辺に前記係止片の抜けを防止するための第３切込が設けられていることを特徴とする。
本発明によれば、係止片を第２切込に差し込んでいくと、第３切込が押し開かれ、第３切込が第２切込の下片を挟み込み、第１切込の上片と第２切込の下片が重なり合って確実に固定される。
第３切込に第２切込の下片が嵌合し、第３切込によって係止片が深く挿入されることを避けることが可能となる。
The assembly box according to the present invention is characterized in that a third cut for preventing the locking piece from coming off is provided around the end of the first cut of the locking piece.
According to the present invention, when the locking piece is inserted into the second cut, the third cut is pushed open, the third cut sandwiches the lower piece of the second cut, and the top of the first cut. The piece and the lower piece of the second cut are overlapped and fixed securely.
The lower piece of the second cut fits into the third cut, and the locking piece can be prevented from being inserted deeply by the third cut.
本発明の組立箱は、前記第２切込の上端部が前記第１切込の傾斜角度と略同じ角度で傾斜し、下端部は前記底面板の第２辺と垂直な直線形状で形成され、前記第２辺まで伸張していることを特徴とする。
本発明によれば、第２切込の上端は上方から下方に向かって直線状に傾斜角度θで傾斜し、第２切込の下端は第２切込の上端から連続して円弧状に形成され、その先は第２辺に向かって直線状に第２辺まで伸張している。このように第２切込は全体がくの字形状をなしているため、直線状の切込と比較すると小さな力を加えるだけで第２切込を大きく開口させることが可能となる。よって、より簡単に係止片を第２切込に挿入および取り外し可能で、組立箱の組み立て、分解を容易に行うことができ作業性を向上することが可能となる。
In the assembly box of the present invention, the upper end portion of the second cut is inclined at substantially the same angle as the inclination angle of the first cut, and the lower end portion is formed in a linear shape perpendicular to the second side of the bottom plate. , Extending to the second side.
According to the present invention, the upper end of the second cut is linearly inclined from the upper side to the lower side at an inclination angle θ, and the lower end of the second cut is formed in an arc shape continuously from the upper end of the second cut. The tip extends linearly toward the second side to the second side. As described above, since the entire second cut has a dogleg shape, it is possible to open the second cut greatly by applying a small force as compared with the straight cut. Therefore, the locking piece can be more easily inserted into and removed from the second cut, and the assembly box can be easily assembled and disassembled, thereby improving workability.
本発明の組立箱は、前記係止片の左端が突出した円弧形状であることを特徴とする。
本発明によれば、係止片の左端が突出した円弧形状をなしているため、より簡単に係止片を第２切込に挿入および取り外し可能で、組立箱の組み立て、分解を容易に行うことができる。
The assembly box according to the present invention is characterized in that it has an arc shape in which the left end of the locking piece protrudes.
According to the present invention, since the left end of the locking piece protrudes in an arc shape, the locking piece can be more easily inserted and removed from the second cut, and the assembly box can be easily assembled and disassembled. be able to.
本発明の組立箱は、前記係止片が前記第２側板と略同一の幅で形成された前記第１側板に連接する補強部を備えたことを特徴とする。
本発明によれば、係止片を第２切込に差し込むと、係止片の補強部が第２側板の端部に重なって、組立箱の角部全体を覆った状態となる。このように、組立箱を組み立てた際に、組立箱の角部において第２側板と係止片の補強部が重なり合って二重に形成されるため、組立箱を積み上げたとしても潰れることのない耐久性および形状安定性を備えた組立箱を提供することが可能となる。
The assembly box according to the present invention is characterized in that the locking piece includes a reinforcing portion connected to the first side plate formed with a width substantially the same as that of the second side plate.
According to the present invention, when the locking piece is inserted into the second cut, the reinforcing portion of the locking piece overlaps with the end portion of the second side plate and covers the entire corner of the assembly box. In this way, when the assembly box is assembled, the second side plate and the reinforcing portion of the locking piece overlap each other at the corner of the assembly box so as to be doubled, so that even if the assembly boxes are stacked, they are not crushed. An assembly box having durability and shape stability can be provided.
本発明の組立箱は、前記第２側板がさらに前記補強部の端部と略同一の傾斜角度をもった第４切込を有し、前記組立箱の外側で前記第４切込と前記補強部の端部が当接し、前記組立箱の内側で前記第１切込と前記第２切込の上片が当接することにより、前記第２側板の内側への倒れ込みおよび前記係止片の抜けが防止されていることを特徴とする。
本発明によれば、係止片を第２切込に差し込んだ際に係止片に備えられた第１切込と第２側板の第２切込とが係合し、さらに第２側板に設けられた第４切込と補強部が係合することで、組立箱を形成する。係止片を第２切込に差し込むと、係止片に備えられた第１切込の上部と第２切込の下片が組立箱の内側において当接し、組立箱の外側面で第４切込と補強部の端部が当接して、係止めされる。第１切込の上部の傾斜角度と第２切込の傾斜角度が傾斜角度θで略同一となっており、かつ第４切込の傾斜角度と補強部の端部の傾斜角度が傾斜角度αで略同一となっているため、第１切込の上部と第２切込の上片が当接し、第４切込に補強部の端部が引っかかることで固定され、内側または外側から第２側板に対して力が加えられたとしても係止片が深く挿入されて第１側板が内側に倒れ込んでしまうといった問題や、係止片が第２切込から抜け出てしまい、第１側板が外側に倒れ込んで組立箱が分解しまうといった問題を回避することができる。
このように、係止片と第２切込の結合状態および補強部と第４切込の結合状態を保持することができ、形状安定性を備えた組立箱を提供することが可能となる。
In the assembly box according to the present invention, the second side plate further includes a fourth cut having substantially the same inclination angle as the end of the reinforcement portion, and the fourth cut and the reinforcement are formed outside the assembly box. When the end of the portion abuts and the upper piece of the first cut and the second cut abuts inside the assembly box, the second side plate falls down and the locking piece comes off. Is prevented.
According to the present invention, when the locking piece is inserted into the second cut, the first cut provided in the locking piece engages with the second cut of the second side plate, and the second side plate An assembly box is formed by engagement of the provided fourth cut and the reinforcing portion. When the locking piece is inserted into the second cut, the upper part of the first cut provided on the locking piece and the lower piece of the second cut come into contact with each other on the inner side of the assembly box. The notch and the end of the reinforcing part come into contact with each other and are locked. The inclination angle of the upper part of the first cut and the inclination angle of the second cut are substantially the same as the inclination angle θ, and the inclination angle of the fourth cut and the inclination angle of the end of the reinforcing part are the inclination angle α. Therefore, the upper part of the first cut and the upper piece of the second cut come into contact with each other, and the end of the reinforcing part is fixed to the fourth cut. Even if a force is applied to the side plate, the locking piece is inserted deeply and the first side plate falls inward, or the locking piece comes out of the second cut and the first side plate is outside. It is possible to avoid the problem that the assembly box falls down and is disassembled.
As described above, the coupling state between the locking piece and the second cut and the coupling state between the reinforcing portion and the fourth cut can be maintained, and an assembly box having shape stability can be provided.
本発明によれば、係止片を第２切込に差し込んだ際に係止片に備えられた傾斜角度が略同一の第１切込と第２側板の第２切込とが係合することで、組立箱の内側や外側から力が加えられた場合でも確実に側面同士の結合状態を保持することが可能で、形状安定性を備えた組立箱を提供することが可能となる。
また本発明によれば、傾斜角度が同一の第４切込と補強部の端部が係合することで、さらに壊れにくい丈夫な組立箱を提供することが可能となる。
そして本発明によれば、第２切込の形状をくの字とすることや係止片の左端を円弧形状とすることで、より簡単に組立箱の組み立て、分解を容易に行うことができ作業性を向上することが可能となる。
また本発明によれば、負荷がかかりやすい組立箱の角部を係止片によって補強することで、組立箱を積み上げたとしても潰れることのない耐久性を備えた組立箱を提供することが可能となる。
According to the present invention, when the locking piece is inserted into the second cut, the first cut and the second cut of the second side plate that are substantially the same in inclination angle are provided. Thus, even when a force is applied from the inside or the outside of the assembly box, it is possible to reliably maintain the coupled state of the side surfaces, and it is possible to provide an assembly box having shape stability.
Moreover, according to this invention, it becomes possible to provide the durable assembly box which is hard to break by engaging the 4th notch with the same inclination | tilt angle, and the edge part of a reinforcement part.
According to the present invention, it is possible to easily assemble and disassemble the assembly box more easily by making the shape of the second notch into a U-shape and making the left end of the locking piece into an arc shape. Workability can be improved.
Further, according to the present invention, it is possible to provide an assembly box having durability that is not crushed even if the assembly boxes are stacked by reinforcing the corners of the assembly box that are easily loaded with the locking pieces. It becomes.
以下、本発明を実施するための一形態について図面を引用しながら説明する。 Hereinafter, an embodiment for carrying out the present invention will be described with reference to the drawings.
（第１の実施の形態）
図１は、本発明の第１の実施形態の組立箱１００を示す斜視図であり、図２は、上記実施形態の組立箱１００を示す展開図である。図３は、上記実施形態の組立箱１００の結合位置を示すＡ拡大図である。
(First embodiment)
FIG. 1 is a perspective view showing an assembly box 100 according to the first embodiment of the present invention, and FIG. 2 is a development view showing the assembly box 100 according to the embodiment. FIG. 3 is an enlarged view A showing the coupling position of the assembly box 100 of the above embodiment.
本実施の形態の組立箱１００は、段ボール、厚紙、薄紙、合成紙、合成樹脂シート等の平板１０１を折り曲げることによって形成される組み立て式の箱である。
平板１０１は、平面状の板を打ち抜いて形成されたものであり、その形状は左右対称であって、底面板１０と、第１側板２０と、第２側板３０から構成される。
底面板１０は、平板１０１を組み立てた際に組立箱１００の底面となる矩形状の板であり、底面板１０の紙面上左右端（図２）に位置する一対の第１辺１０ａ，１０ａと、紙面上上下端（図２）に位置し、第１辺１０ａに隣接した一対の第２辺１０ｂ，１０ｂを備える。
紙面上左右端には、第１辺１０ａ，１０ａを介して第１側板２０，２０が連接され、紙面上上下端には、第２辺１０ｂ，１０ｂを介して第２側板３０，３０が連接されている。
また、第１辺１０ａ，１０ａと第２辺１０ｂ，１０ｂは、組立箱１００を組み立てる際に底面板１０から第１側板２０と第２側板３０を起立させるための折曲線となっている。
The assembly box 100 of the present embodiment is an assembly-type box formed by bending a flat plate 101 such as cardboard, cardboard, thin paper, synthetic paper, or synthetic resin sheet.
The flat plate 101 is formed by punching a flat plate, the shape thereof is bilaterally symmetric, and includes a bottom plate 10, a first side plate 20, and a second side plate 30.
The bottom plate 10 is a rectangular plate that becomes the bottom surface of the assembly box 100 when the flat plate 101 is assembled, and a pair of first sides 10a and 10a positioned on the left and right ends (FIG. 2) of the bottom plate 10 on the paper surface. And a pair of second sides 10b and 10b located on the upper and lower ends (FIG. 2) on the paper surface and adjacent to the first side 10a.
The first side plates 20 and 20 are connected to the left and right ends on the paper via first sides 10a and 10a, and the second side plates 30 and 30 are connected to the upper and lower ends on the paper via second sides 10b and 10b. Has been.
The first sides 10 a and 10 a and the second sides 10 b and 10 b are folding curves for raising the first side plate 20 and the second side plate 30 from the bottom plate 10 when the assembly box 100 is assembled.
ここで、左右端とは、平板１０１におけるＸ軸負方向側の端部である左端とＸ軸正方向側の端部である右端を指し、左右（左右方向）とはＸ軸方向を指す（図２）。
また上下端とは、平板１０１におけるＹ軸負方向側の端部である下端とＹ軸正方向側の端部である上端を指し、上下（上下方向）とはＹ軸方向を指す（図２）。
また本明細書においては複数設けられた第２側板および係止片のうち、上端に設けられた第２側板および右上端に設けられた係止片に関して説明を行う。その他の第２側板および係止片は平板１０１の中心を基準として対称に設けられており形状は同様であるため説明を割愛する。
Here, the left and right ends refer to the left end that is the end on the X axis negative direction side of the flat plate 101 and the right end that is the end on the X axis positive direction side, and the left and right (left and right directions) indicate the X axis direction ( Figure 2).
The upper and lower ends refer to the lower end that is the end on the Y axis negative direction side of the flat plate 101 and the upper end that is the end on the Y axis positive direction side, and the upper and lower sides (up and down direction) refer to the Y axis direction (FIG. 2). ).
Moreover, in this specification, it demonstrates regarding the locking piece provided in the 2nd side board provided in the upper end and the upper right end among the 2nd side boards and locking pieces provided in multiple numbers. The other second side plates and the locking pieces are provided symmetrically with respect to the center of the flat plate 101, and the shapes thereof are the same.
第２側板３０は、平板１０１を組み立てた際に組立箱１００の正面および背面となる側板であり、第２側板３０の紙面上左右位置（図２）に一対の第２切込３２，３２が設けられている。
第２切込３２，３２は、係止片２１を差し込むことで確実に第１側板２０と第２側板３０の端部同士を係止するための切れ込みで、第２側板３０に線状の切れ込みを打抜機等で打ち抜くことで形成され、第２切込上部３２１と第２切込下部３２２から構成され、第２切込３２全体はくの字形状をなしている。
第２切込上部３２１は、第２切込３２の上端部であって、紙面上上方（図３）から下方に向かって直線状に傾斜し、第２辺１０ｂを基準として、傾斜角度θで傾斜している。
第２切込下部３２２は、第２切込３２の下端部であって、第２切込上部３２１から連続して形成され、第２切込下部３２２の上端は第２切込上部３２１の下端から連続して緩やかに円弧状をなし、第２切込下部３２２の下端は、第２辺１０ｂに向かって直線状に第２辺１０ｂと垂直となるように形成され、第２辺１０ｂまで伸張している。
ここで、便宜上、第２切込３２を介して第２側板３０の上方側を第２切込上片（第２切込の上片）３２ａとし、第２側板３０の下方側を第２切込下片（第２切込の下片）３２ｂとする。
The second side plate 30 is a side plate that becomes the front and back of the assembly box 100 when the flat plate 101 is assembled, and a pair of second cuts 32 and 32 are provided on the left and right positions (FIG. 2) of the second side plate 30. Is provided.
The second cuts 32, 32 are cuts for securely locking the ends of the first side plate 20 and the second side plate 30 by inserting the locking pieces 21, and are linear cuts on the second side plate 30. Is formed by punching with a punching machine or the like, and is composed of a second cut upper part 321 and a second cut lower part 322, and the second cut 32 as a whole has a dogleg shape.
The second cut upper portion 321 is an upper end portion of the second cut 32, and is inclined linearly from the upper side (FIG. 3) to the lower side on the paper surface, and is inclined at an angle θ with respect to the second side 10b. Inclined.
The second cut lower portion 322 is a lower end portion of the second cut 32 and is formed continuously from the second cut upper portion 321, and the upper end of the second cut lower portion 322 is the lower end of the second cut upper portion 321. The lower end of the second cut lower part 322 is formed so as to be straight and perpendicular to the second side 10b toward the second side 10b, and extends to the second side 10b. doing.
Here, for the sake of convenience, the upper side of the second side plate 30 is defined as a second cut upper piece (the upper piece of the second cut) 32a via the second cut 32, and the lower side of the second side plate 30 is defined as the second cut. It is set as the insertion lower piece (the lower piece of the second cut) 32b.
第１側板２０は、平板１０１を組み立てた際に組立箱１００の右側面および左側面となる矩形状の側板であり、第１側板２０の紙面上上下端（図２）に折曲線２２，２２を介して一対の係止片２１，２１が設けられている。
係止片２１，２１は、第２切込３２に差し込むことで確実に第１側板２０と第２側板３０の端部同士を係止するためのもので、折曲線２２，２２を介して連接された補強部２１１と、補強部２１１から連続して形成された差込部２１２と、差込部２１２に設けられた第１切込２１３と、第１切込２１３の端部周辺に設けられた第３切込２１４から構成される。
補強部２１１は、第１側板２０と第２側板３０を起立させて端部同士を係止する際に組立箱１００の結合構造周辺（係止箇所）および角部の強度を補うための部材であり、第２側板３０と略同一の幅で形成される。第１側板２０と第２側板３０を起立させ、第１側板２０の係止片２１を第２側板３０側に折り曲げて第２切込３２に差し込むと、第２側板３０の端部全体を覆うように補強部２１１が第２側板３０の端部に重なって、組立箱１００の結合構造周辺（係止箇所）および角部を補強することが可能となる。
差込部２１２は、差込部左端２１２１（図３）を第２切込３２に差し込んで固定する係止部材であり、第１切込２１３を中心として紙面上左側（図３）が差込部左端２１２１であって第２切込３２に差し込まれる箇所である。右側（図３）の外周は直角形状で、差込部左端２１２１は補強部２１１から突出した円弧形状をなす。差込部左端２１２１が突出した円弧形状であることにより、第２切込３２に簡単に差込部左端２１２１を差し込むことが可能となっている。差込部２１２の中心位置には、第１切込２１３が設けられている。
第１切込２１３は、差込部左端２１２１を第２切込３２に差し込んだ際に第２切込３２と係合することで、係止片２１と第２切込３２の結合状態を適切に保持するため切り込みで、紙面上上方（図３）から下方に向かって直線状に傾斜している。第１切込２１３は、第１側板２０と第２側板３０を起立させ、第１側板２０の係止片２１を第２側板３０側に折り曲げて第２切込３２に差し込んだ場合に第２辺１０ｂを基準として傾斜角度θで傾斜しており、第１切込２１３の傾斜角度と第２切込３２の傾斜角度は、傾斜角度θで略同一となって、係止片２１と第２切込３２が結合時、第２切込３２が第１切込２１３と重なり合うように形成される。
第３切込２１４は、係止片２１が第２切込３２から抜け出ることを防止するために設けられた切り込みであり、第１切込２１３の端部周辺に直線状に形成される。
ここで、便宜上、第１切込２１３を介して差込部２１２の上方側（組立箱１００を組み立てた場合の上方側）を第１切込上片（第１切込の上片）２１２ａとし、差込部２１２の下方側（組立箱１００を組み立てた場合の下方側）を第１切込下片（第１切込の下片）２１２ｂとする。
また上述の係止片２１において、平板１０１に設けられた４つの係止片２１のうち紙面上右上端（図２、図３）に設けられた係止片２１を例に挙げて説明を行ったが、紙面上左上端に設けられた係止片２１とは上下方向を基準として線対称であって、紙面上右下端に設けられた係止片２１とは左右方向を基準として線対称であって、紙面上左下端に設けられた係止片２１とは平板１０１の中心を基準として点対称となっている。
The first side plate 20 is a rectangular side plate that becomes the right side surface and the left side surface of the assembly box 100 when the flat plate 101 is assembled, and folding lines 22, 22 are formed on the upper and lower ends (FIG. 2) of the first side plate 20. A pair of locking pieces 21, 21 are provided via the.
The locking pieces 21, 21 are for securely locking the end portions of the first side plate 20 and the second side plate 30 by being inserted into the second notch 32, and are connected via folding lines 22, 22. Reinforced portion 211, insertion portion 212 formed continuously from reinforcement portion 211, first notch 213 provided in insertion portion 212, and the periphery of the end of first notch 213. The third cut 214 is formed.
The reinforcing portion 211 is a member for supplementing the strength of the periphery of the coupling structure (locking portion) and the corner portion of the assembly box 100 when the first side plate 20 and the second side plate 30 are erected to lock the end portions. Yes, with the same width as the second side plate 30. When the first side plate 20 and the second side plate 30 are erected and the locking piece 21 of the first side plate 20 is bent toward the second side plate 30 and inserted into the second cut 32, the entire end of the second side plate 30 is covered. As described above, the reinforcing portion 211 overlaps with the end portion of the second side plate 30, so that it is possible to reinforce the periphery of the coupling structure (the locking portion) and the corner portion of the assembly box 100.
The insertion portion 212 is a locking member that inserts and fixes the left end 2121 (FIG. 3) of the insertion portion into the second notch 32, and the left side (FIG. 3) on the drawing with the first notch 213 as the center is inserted. This is the part left end 2121 that is inserted into the second cut 32. The outer periphery on the right side (FIG. 3) has a right-angle shape, and the left end 2121 of the insertion portion has an arc shape protruding from the reinforcing portion 211. The insertion portion left end 2121 can be easily inserted into the second cut 32 by the circular arc shape in which the insertion portion left end 2121 protrudes. A first cut 213 is provided at the center position of the insertion part 212.
When the first notch 213 is engaged with the second notch 32 when the left end 2121 of the insertion portion is inserted into the second notch 32, the coupling state of the locking piece 21 and the second notch 32 is appropriately set. In order to hold, the slit is linearly inclined from the upper side (FIG. 3) to the lower side. The first notch 213 is the second when the first side plate 20 and the second side plate 30 are erected, the locking piece 21 of the first side plate 20 is bent toward the second side plate 30 and inserted into the second notch 32. The side 10b is inclined at an inclination angle θ, and the inclination angle of the first notch 213 and the inclination angle of the second notch 32 are substantially the same at the inclination angle θ, so The second cut 32 is formed so as to overlap the first cut 213 when the cut 32 is coupled.
The third cut 214 is a cut provided to prevent the locking piece 21 from coming out of the second cut 32, and is formed linearly around the end of the first cut 213.
Here, for the sake of convenience, the upper side of the insertion part 212 (the upper side when the assembly box 100 is assembled) via the first cut 213 is defined as a first cut upper piece (first cut upper piece) 212a. The lower side of the insertion part 212 (the lower side when the assembly box 100 is assembled) is defined as a first cut lower piece (first cut lower piece) 212b.
In the above-described locking piece 21, the locking piece 21 provided at the upper right end (FIGS. 2 and 3) on the paper surface of the four locking pieces 21 provided on the flat plate 101 will be described as an example. However, it is line symmetric with respect to the locking piece 21 provided at the upper left end on the paper surface with respect to the vertical direction, and is line symmetric with respect to the locking piece 21 provided at the upper right edge with respect to the paper surface. Thus, it is point-symmetric with respect to the locking piece 21 provided at the lower left end on the paper surface with respect to the center of the flat plate 101.
図４は、上記実施形態の組立箱１００の組み立て途中の状態を外方からみた場合の正面模式図であり、図５は、上記実施形態の組立箱１００の組み立て後の状態を外方からみた場合の正面模式図である。図６は、上記実施形態の組立箱１００の組み立て後の状態を内方から見た場合の正面模式図であり、図７は、上記実施形態の組立箱１００の結合位置に外側から力が加わった場合の状態を説明する説明図である。図８は、上記実施形態の組立箱１００の結合位置に内側から力が加わった場合の状態を説明する説明図である。
次に、平板１０１から組立箱１００を形成する流れに沿って係止片２１と第２切込３２の結合構造を説明する。
最初に、平板１０１の第１辺１０ａ，１０ａおよび第２辺１０ｂ，１０ｂに設けられた折曲線で第１側板２０と第２側板３０を底面板１０から起立させるように折り曲げる（ステップ１）。
その後、第１側板２０に設けられた折曲線２２によって、第２側板３０側へ係止片２１を折り曲げる（ステップ２）。
次に、第２側板３０の紙面上上辺および下辺（図４）をお互い近づけるように力を加えると、第２切込上片３２ａが前方（後方）に、第２切込下片３２ｂが後方（前方）に断面円弧状に変形し、第２切込３２が大きく開口する（ステップ３）。
そして、差込部左端２１２１（図４）を上方からスライドさせるように移動させ、開口した第２切込３２に差し込む（ステップ４）。
第１切込２１３の位置まで差込部左端２１２１を差し込むと、第１切込２１３が少し開口し、第１切込上片２１２ａと第２切込下片３２ｂが組立箱１００の外側において当接し（図５）、第１切込下片２１２ｂと第２切込上片３２ａが組立箱１００の内側において当接して（図６）、係止めされ（ステップ５）、係止片２１の補強部２１１が第２側板３０の端部に重なって、組立箱１００の角部全体を覆った状態となる。
その後、第１切込２１３の端部に設けられた第３切込２１４が押し開かれ、第３切込２１４が第２切込下片３２ｂを挟み込み、第１切込上片２１２ａと第２切込下片３２ｂが重なり合って確実に固定される（図５）（ステップ６）。
FIG. 4 is a schematic front view of the assembly box 100 according to the above embodiment when viewed from the outside. FIG. 5 illustrates the state after assembly of the assembly box 100 according to the above embodiment. It is a front schematic diagram in the case. FIG. 6 is a schematic front view when the assembled state of the assembly box 100 of the above embodiment is viewed from the inside, and FIG. 7 is a view showing a force applied from the outside to the coupling position of the assembly box 100 of the above embodiment. It is explanatory drawing explaining the state in the case of having met. FIG. 8 is an explanatory diagram for explaining a state when a force is applied from the inside to the coupling position of the assembly box 100 of the embodiment.
Next, the coupling structure of the locking piece 21 and the second cut 32 will be described along the flow of forming the assembly box 100 from the flat plate 101.
First, the first side plate 20 and the second side plate 30 are bent so as to stand up from the bottom plate 10 along the folding curves provided on the first side 10a, 10a and the second side 10b, 10b of the flat plate 101 (step 1).
Thereafter, the locking piece 21 is bent toward the second side plate 30 by the folding line 22 provided on the first side plate 20 (step 2).
Next, when a force is applied so that the upper side and the lower side (FIG. 4) of the second side plate 30 are close to each other, the second cut upper piece 32a is forward (rear) and the second cut lower piece 32b is rearward. The second cut 32 is greatly opened (step 3).
And the insertion part left end 2121 (FIG. 4) is moved so that it may slide from upper direction, and it inserts in the opened 2nd notch 32 (step 4).
When the insertion portion left end 2121 is inserted to the position of the first notch 213, the first notch 213 is slightly opened, and the first notch upper piece 212a and the second notch lower piece 32b are abutted on the outside of the assembly box 100. The first cut lower piece 212b and the second cut upper piece 32a come into contact with each other inside the assembly box 100 (FIG. 6) and are locked (step 5) to reinforce the lock piece 21. The part 211 overlaps with the end of the second side plate 30 and covers the entire corner of the assembly box 100.
After that, the third cut 214 provided at the end of the first cut 213 is pushed open, the third cut 214 sandwiches the second cut lower piece 32b, and the first cut upper piece 212a and the second cut The lower cut piece 32b overlaps and is securely fixed (FIG. 5) (step 6).
例えば組立箱１００の外側から内側へ力が加わった場合（図７）、第１切込上片２１２ａと第２切込下片３２ｂが組立箱１００の外側において当接しているため、差込部左端２１２１が第１切込２１３の位置よりも深く挿入されることがなく、第１側板２０が内側に倒れ込んで組立箱１００が潰れてしまうといった問題を回避することができる。また、第１切込２１３の端部に第３切込２１４が設けられている場合は、さらに第３切込２１４に第２切込下片３２ｂが嵌合し、第３切込２１４によって差込部左端２１２１が深く挿入されることを避けることが可能となる。
一方、組立箱１００の内側から外側へ力が加わった場合（図８）、第１切込下片２１２ｂと第２切込上片３２ａが組立箱１００の内側において当接するため、差込部左端２１２１が第１切込２１３の位置から抜け出てしまい、第１側板２０が外側に倒れ込んで組立箱１００が分解しまうといった問題を回避することができる。
このように、第１切込２１３の傾斜角度と第２切込３２の傾斜角度が傾斜角度θで略同一となっており、内外側から衝撃を加えられたとしても組立箱１００の内外面で第１切込２１３の上下片および第２切込３２の上下片が各々当接するため、第１側板２０が内外側に倒れることがなく、確実に係止片２１と第２切込３２の結合状態を保持することができ、形状安定性を備えた組立箱１００を提供することが可能となる。
For example, when a force is applied from the outside to the inside of the assembly box 100 (FIG. 7), the first cut upper piece 212a and the second cut lower piece 32b are in contact with each other on the outside of the assembly box 100. The left end 2121 is not inserted deeper than the position of the first notch 213, and the problem that the first side plate 20 falls inward and the assembly box 100 is crushed can be avoided. In addition, when the third cut 214 is provided at the end of the first cut 213, the second cut lower piece 32 b is further fitted into the third cut 214 and the third cut 214 makes a difference. It becomes possible to avoid the insertion portion left end 2121 being inserted deeply.
On the other hand, when a force is applied from the inner side to the outer side of the assembly box 100 (FIG. 8), the first cut lower piece 212b and the second cut upper piece 32a abut on the inner side of the assembly box 100. The problem that 2121 comes out of the position of the first notch 213 and the first side plate 20 falls to the outside and the assembly box 100 is disassembled can be avoided.
Thus, the inclination angle of the first notch 213 and the inclination angle of the second notch 32 are substantially the same as the inclination angle θ, and even if an impact is applied from the inside and outside, the inside and outside surfaces of the assembly box 100 Since the upper and lower pieces of the first cut 213 and the upper and lower pieces of the second cut 32 are in contact with each other, the first side plate 20 does not fall inside and outside, and the coupling between the locking piece 21 and the second cut 32 is ensured. It is possible to provide the assembly box 100 that can maintain the state and has shape stability.
また、第２切込３２が第２切込上部３２１と第２切込下部３２２から構成されたくの字形状をなしているため、直線状の切込と比較すると小さな力を加えるだけで第２切込３２を大きく開口させることが可能となる。さらに、差込部左端２１２１が円弧形状をなしているため第２切込３２に差込部左端２１２１を挿入しやすく、組立箱１００の組み立てが簡単となる。
そして、組立箱１００を組み立てた際に、組立箱１００の角部において第２側板３０と係止片２１の補強部２１１が重なり合って二重に形成されるため、組立箱１００を積み上げたとしても潰れることのない耐久性および形状安定性を備えた組立箱１００を提供することが可能となる。
In addition, since the second cut 32 has a square shape formed by the second cut upper portion 321 and the second cut lower portion 322, the second cut 32 can be applied only by applying a small force as compared with the straight cut. It becomes possible to open the notch 32 largely. Furthermore, since the insertion portion left end 2121 has an arc shape, the insertion portion left end 2121 can be easily inserted into the second cut 32, and the assembly of the assembly box 100 is simplified.
When the assembly box 100 is assembled, the second side plate 30 and the reinforcing portion 211 of the locking piece 21 overlap each other at the corner of the assembly box 100 so that the assembly box 100 is stacked. It is possible to provide an assembly box 100 having durability and shape stability that does not collapse.
（第２の実施の形態）
図９は、本発明の第２の実施形態の組立箱４００を示す斜視図であり、図１０は、上記実施形態の組立箱４００を示す展開図である。図１１は、上記実施形態の組立箱４００の結合位置を示すＢ拡大図である。第２の実施の形態の組立箱４００は、第１の実施形態の組立箱１００と比較して、係止片の形状および係止方法が異なるものであり、その他の構成は同様であるため、第１の実施の形態と同様の構成に関しては、同一部分に同一符号を付して重複する説明を省略する。
(Second Embodiment)
FIG. 9 is a perspective view showing an assembly box 400 according to the second embodiment of the present invention, and FIG. 10 is an exploded view showing the assembly box 400 according to the embodiment. FIG. 11 is an enlarged B view showing the coupling position of the assembly box 400 of the above embodiment. The assembly box 400 of the second embodiment is different from the assembly box 100 of the first embodiment in the shape of the locking pieces and the locking method, and the other configurations are the same. With respect to the same configuration as that of the first embodiment, the same reference numerals are given to the same portions, and duplicate descriptions are omitted.
本実施の形態の組立箱４００は、段ボール、厚紙、薄紙、合成紙、合成樹脂シート等の平板４０１を折り曲げることによって形成される組み立て式の箱である。
平板４０１は、形状が左右対称であって、底面板１０と、第１側板２０と、第２側板４３０から構成される。
The assembly box 400 of this embodiment is an assembly-type box formed by folding a flat plate 401 such as cardboard, cardboard, thin paper, synthetic paper, or synthetic resin sheet.
The flat plate 401 is symmetrical in shape, and includes a bottom plate 10, a first side plate 20, and a second side plate 430.
第２側板４３０は、平板４０１を組み立てた際に組立箱４００の正面および背面となる側板であり、第２側板３０の紙面上左右位置（図１０）に一対の第２切込３２，３２と一対の第４切込４３３，４３３が設けられている。
第４切込４３３，４３３は補強部４２１１の端部４２２１ａと係合するための切込線であり、点線状（ミシン目状）に形成され、第２側板４３０の上辺４３０ｂから傾斜角度αで傾斜して直線状に形成されている。第４切込４３３，４３３は第２切込３２，３２の上方に位置し、上辺４３０ｂから第２側板４３０の中心周辺まで伸張している。
The second side plate 430 is a side plate that becomes the front and back of the assembly box 400 when the flat plate 401 is assembled, and a pair of second cuts 32 and 32 are provided at the left and right positions (FIG. 10) of the second side plate 30 in the drawing. A pair of fourth cuts 433 and 433 are provided.
The fourth cuts 433 and 433 are cut lines for engaging with the end portion 4221a of the reinforcing portion 4211. The fourth cuts 433 and 433 are formed in a dotted line shape (perforated shape) and are inclined at an inclination angle α from the upper side 430b of the second side plate 430. It is inclined and formed in a straight line. The fourth cuts 433 and 433 are located above the second cuts 32 and 32 and extend from the upper side 430 b to the periphery of the center of the second side plate 430.
また第１側板２０の紙面上上下端（図１０）に折曲線２２，２２を介して一対の係止片４２１，４２１が設けられている。
係止片４２１，４２１は、第２切込３２に差し込むことで確実に第１側板２０と第２側板４３０の端部同士を係止するためのもので、折曲線２２，２２を介して連接された補強部４２１１と、補強部４２１１から連続して上方に形成された差込部４２１２と、差込部４２１２と補強部４２１１の間に設けられた第１切込４２１３から構成される。
補強部４２１１は、第１側板２０と第２側板４３０を起立させて端部同士を係止する際に組立箱４００の係止箇所および角部の強度を補うとともに、補強部４２１１の端部４２１１ａと第４切込４３３を係合することで第1側板２０と第２側板４３０の結合をより強固にするための部材であり、第２側板４３０と略同一の幅で形成される。
また折曲線２２と相対する補強部４２１１の端部４２１１ａは、差込部４２１２を第２切込３２に差し込んだ際に第４切込４３３と係合するために、紙面上上方（図１１）から下方に向かって直線状に傾斜している。補強部４２１１の端部４２１１ａは、第１側板２０と第２側板４３０を起立させ、第１側板２０の係止片４２１を第２側板４３０側に折り曲げて第２切込３２に差し込んだ場合に第２辺１０ｂを基準として傾斜角度αで傾斜している。よって、第４切込４３３の傾斜角度と補強部４２１１の端部４２１１ａの傾斜角度は、傾斜角度αで略同一となって、係止片４２１と第２切込３２が結合時、第４切込４３３が補強部４２１１の端部４２１１ａと重なり合ように形成される。
差込部４２１２は、第２切込３２に差し込んで固定する係止部材であり、差込部４２１２の紙面上左側（図１１）は補強部４２１１から突出した円弧形状に形成され、差込部４２１２の紙面上右側（図１１）は直線状に傾斜しており、第1切込４２１３となっている。差込部の左側が突出した円弧形状であることにより、第２切込３２に簡単に差込部４２１２を差し込むことが可能となっている。
第1切込４２１３は、差込部４２１２を第２切込３２に差し込んだ際に第２切込３２と係合することで、係止片４２１と第２切込３２の結合状態を適切に保持するため切り込みで、第１側板２０と第２側板４３０を起立させ、第１側板２０の係止片４２１を第２側板４３０側に折り曲げて第２切込３２に差し込んだ場合に第２辺１０ｂを基準として傾斜角度θで傾斜しており、第１切込４２１３の傾斜角度と第２切込３２の傾斜角度は、傾斜角度θで略同一となっている。よって、係止片４２１と第２切込３２が結合時、第２切込３２が第１切込４２１３と重なり合うように形成される。
また上述の係止片４２１において、平板４０１に設けられた４つの係止片４２１のうち紙面上右上端（図１０、図１１）に設けられた係止片４２１を例に挙げて説明を行ったが、紙面上左上端に設けられた係止片４２１とは上下方向を基準として線対称であって、紙面上右下端に設けられた係止片４２１とは左右方向を基準として線対称であって、紙面上左下端に設けられた係止片４２１とは平板４０１の中心を基準として点対称となっている。
A pair of locking pieces 421 and 421 are provided on the upper and lower ends (FIG. 10) of the first side plate 20 via folding lines 22 and 22.
The locking pieces 421 and 421 are for securely locking the end portions of the first side plate 20 and the second side plate 430 by being inserted into the second notch 32, and are connected via the folding lines 22 and 22. And the first cut 4213 provided between the insertion portion 4212 and the reinforcement portion 4211. The insertion portion 4212 is formed continuously upward from the reinforcement portion 4211.
The reinforcing portion 4211 supplements the strength of the locking portion and the corner portion of the assembly box 400 when the first side plate 20 and the second side plate 430 are raised to lock the end portions, and the end portion 4211 a of the reinforcing portion 4211. And the fourth notch 433 are engaged with each other to strengthen the connection between the first side plate 20 and the second side plate 430, and are formed with substantially the same width as the second side plate 430.
Further, the end portion 4211a of the reinforcing portion 4211 opposed to the folding line 22 is engaged with the fourth cut 433 when the insertion portion 4212 is inserted into the second cut 32, and thus the upper portion (FIG. 11). It is inclined linearly downward from the top. The end portion 4211a of the reinforcing portion 4211 is when the first side plate 20 and the second side plate 430 are erected, and the locking piece 421 of the first side plate 20 is bent toward the second side plate 430 and inserted into the second cut 32. It inclines with the inclination | tilt angle (alpha) on the basis of the 2nd edge | side 10b. Therefore, the inclination angle of the fourth cut 433 and the inclination angle of the end portion 4211a of the reinforcing portion 4211 are substantially the same at the inclination angle α, and when the locking piece 421 and the second cut 32 are joined, the fourth cut The insert 433 is formed so as to overlap the end portion 4211 a of the reinforcing portion 4211.
The insertion portion 4212 is a locking member that is inserted into and fixed to the second cut 32, and the left side (FIG. 11) of the insertion portion 4212 is formed in an arc shape protruding from the reinforcing portion 4211. The right side (FIG. 11) on the paper surface of 4212 is inclined linearly and forms a first cut 4213. The insertion portion 4212 can be easily inserted into the second cut 32 by the arc shape in which the left side of the insertion portion protrudes.
The first cut 4213 is engaged with the second cut 32 when the insertion portion 4212 is inserted into the second cut 32, so that the coupling state of the locking piece 421 and the second cut 32 is appropriately set. When the first side plate 20 and the second side plate 430 are erected by a notch for holding, the second side plate 20 is bent when the locking piece 421 of the first side plate 20 is bent to the second side plate 430 side and inserted into the second notch 32. The angle of inclination of the first notch 4213 and the angle of inclination of the second notch 32 are substantially the same as the angle of inclination θ. Therefore, when the locking piece 421 and the second cut 32 are joined, the second cut 32 is formed to overlap the first cut 4213.
In the above-described locking piece 421, the locking piece 421 provided on the upper right end (FIGS. 10 and 11) of the four locking pieces 421 provided on the flat plate 401 will be described as an example. However, the engagement piece 421 provided at the upper left end on the paper surface is line symmetric with respect to the up and down direction, and the engagement piece 421 provided at the upper right end on the paper surface is line symmetric with respect to the left and right direction. Thus, it is point-symmetric with respect to the locking piece 421 provided at the lower left end on the paper surface with respect to the center of the flat plate 401.
図１２は、上記実施形態の組立箱４００の組み立て後の状態を外方からみた場合の正面模式図であり、図１３は、上記実施形態の組立箱４００の組み立て後の状態を内方から見た場合の正面模式図である。図１４は、上記実施形態の組立箱４００の結合位置に内側または外側から力が加わった場合の状態を説明する説明図である。
次に、平板４０１から組立箱４００を形成する流れに沿って係止片４２１と第２切込３２の結合構造を説明する。
最初に、平板４０１の第１辺１０ａ，１０ａおよび第２辺１０ｂ，１０ｂに設けられた折曲線で第１側板２０と第２側板４３０を底面板１０から起立させるように折り曲げる（ステップ１）。
その後、第１側板２０に設けられた折曲線２２によって、第２側板４３０側へ係止片４２１を折り曲げる（ステップ２）。
次に、第２側板４３０の紙面上上辺および下辺をお互い近づけるように力を加えると、第２切込上片３２ａが前方（後方）に、第２切込下片３２ｂが後方（前方）に断面円弧状に変形し、第２切込３２が大きく開口する（ステップ３）。
そして、差込部４２１２を上方からスライドさせるように移動させ、開口した第２切込３２に差し込む（ステップ４）。
第１切込４２１３の位置まで差込部４２１２を差し込むと、第１切込４２１３と第２切込上片３２ａが組立箱４００の内側において当接して（図１３）、係止めされる（ステップ５）。
また、係止片４２１の補強部４２１１が第２側板４３０の端部に重なって、組立箱４００の角部全体を覆った状態となり、補強部４２１１の端部４２１１ａと第４切込４３３が係合する（補強部４２１１の端部４２１１ａが第４切込４３３に引っかかるように固定される）（図１２）（ステップ６）。
FIG. 12 is a schematic front view of the assembly box 400 according to the above embodiment as viewed from the outside. FIG. 13 illustrates the state after assembly of the assembly box 400 according to the above embodiment from the inside. FIG. FIG. 14 is an explanatory diagram illustrating a state in which a force is applied from the inside or the outside to the coupling position of the assembly box 400 of the above embodiment.
Next, the coupling structure of the locking piece 421 and the second cut 32 will be described along the flow of forming the assembly box 400 from the flat plate 401.
First, the first side plate 20 and the second side plate 430 are bent so as to stand up from the bottom plate 10 along the folding lines provided on the first side 10a, 10a and the second side 10b, 10b of the flat plate 401 (step 1).
Thereafter, the locking piece 421 is bent toward the second side plate 430 by the folding line 22 provided on the first side plate 20 (step 2).
Next, when a force is applied to bring the upper side and the lower side of the second side plate 430 closer to each other, the second cut upper piece 32a is forward (rear) and the second cut lower piece 32b is rearward (forward). The cross-section is deformed into a circular arc shape, and the second cut 32 is greatly opened (step 3).
And the insertion part 4212 is moved so that it may slide from upper direction, and it inserts in the opened 2nd notch 32 (step 4).
If the insertion part 4212 is inserted to the position of the 1st notch 4213, the 1st notch 4213 and the 2nd notch upper piece 32a will contact | abut inside the assembly box 400 (FIG. 13), and will be locked (step) 5).
Further, the reinforcing portion 4211 of the locking piece 421 overlaps the end portion of the second side plate 430 and covers the entire corner portion of the assembly box 400, and the end portion 4211a of the reinforcing portion 4211 and the fourth cut 433 are engaged. (The end portion 4211a of the reinforcing portion 4211 is fixed so as to be caught by the fourth cut 433) (FIG. 12) (step 6).
例えば組立箱４００の外側から内側へ力が加わった場合（図１４）、補強部４２１１の端部４２１１ａが第４切込４３３に引っかかるように当接しているため、差込部４２１２が深く挿入されることがなく、第１側板２０が内側に倒れ込んで組立箱４００が潰れてしまうといった問題を回避することができる。
一方、組立箱１００の内側から外側へ力が加わった場合（図１４）、第１切込４２１３と第２切込上片３２ａが組立箱４００の内側において当接しているため、差込部４２１２が第２切込から抜け出てしまい、第１側板２０が外側に倒れ込んで組立箱４００が分解しまうといった問題を回避することができる。
このように、第１切込４２１３の傾斜角度と第２切込３２の傾斜角度が傾斜角度θで略同一となっており、補強部４２１１の端部４２１１ａと第４切込４３３の傾斜角度が傾斜角度αで略同一となっているため、内外側から衝撃を加えられたとしても組立箱４００の内外面で第１切込４２１３と第２切込３２および補強部４２１１の端部４２１１ａと第４切込４３３が当接するため、第１側板２０が内外側に倒れることがなく、確実に係止片４２１と第２切込３２の結合状態を保持することができ、形状安定性を備えた組立箱４００を提供することが可能となる。
For example, when a force is applied from the outside to the inside of the assembly box 400 (FIG. 14), the end portion 4211a of the reinforcing portion 4211 is in contact with the fourth cut 433 so that the insertion portion 4212 is inserted deeply. Therefore, it is possible to avoid the problem that the first side plate 20 falls inward and the assembly box 400 is crushed.
On the other hand, when a force is applied from the inside of the assembly box 100 to the outside (FIG. 14), the first cut 4213 and the second cut upper piece 32a are in contact with each other on the inside of the assembly box 400. Can escape from the second cut, and the first side plate 20 can fall outside and the assembly box 400 can be disassembled.
Thus, the inclination angle of the first notch 4213 and the inclination angle of the second notch 32 are substantially the same as the inclination angle θ, and the inclination angle of the end portion 4211a of the reinforcing portion 4211 and the fourth notch 433 is the same. Since the inclination angle α is substantially the same, even if an impact is applied from the inside and outside, the first notch 4213 and the second notch 32 and the end portion 4211a of the reinforcing portion 4211 and the Since the four cuts 433 come into contact with each other, the first side plate 20 does not fall to the inside and outside, and the coupling state of the locking pieces 421 and the second cuts 32 can be reliably maintained, and shape stability is provided. The assembly box 400 can be provided.
図１５は本発明の第３の実施形態の組立箱５００を示す斜視図である。第３の実施の形態の組立箱５００は、第１の実施形態の組立箱１００、第２の実施形態の組立箱４００の上部に蓋５０を設けたものであり、その他の構成は第１の実施形態、第２の実施形態と同様であるため重複する説明を省略する。
組立箱５００は、第１側板２０または第２側板３０，４３０の上辺１箇所に蓋５０を折曲線を介して設けており、組立箱５００を組み立てた際に蓋５０を閉めることによって、蓋付きの組立箱５００を提供することが可能となる。
FIG. 15 is a perspective view showing an assembly box 500 according to the third embodiment of the present invention. The assembly box 500 of the third embodiment is provided with a lid 50 on top of the assembly box 100 of the first embodiment and the assembly box 400 of the second embodiment. Since it is the same as embodiment and 2nd Embodiment, the overlapping description is abbreviate | omitted.
The assembly box 500 is provided with a lid 50 at one location on the upper side of the first side plate 20 or the second side plate 30, 430 via a folding line, and the lid 50 is closed when the assembly box 500 is assembled. The assembly box 500 can be provided.
以上、本発明は、上述した実施の形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更が可能であり、本実施の形態においては、係止片２１と第２切込３２が側板の両端に設けられていたが、一端のみに設けられた形態でもよい。また底面板１０、第１側板２０および第２側板３０の形状は、矩形状に限定されず、三角形やその他の多角形および台形でもよく、蓋付きの組立箱へ適用することや組立箱１００を２個形成して、一方を箱に他方を蓋にする等、種々変更可能である。 As mentioned above, this invention is not limited to embodiment mentioned above, In the embodiment, it can change suitably in the range which does not deviate from the meaning, In this Embodiment, the locking piece 21 and the 2nd notch 32 Is provided at both ends of the side plate, but may be provided only at one end. Further, the shape of the bottom plate 10, the first side plate 20, and the second side plate 30 is not limited to a rectangular shape, and may be a triangle, other polygons, or a trapezoid, and can be applied to an assembly box with a lid. Various changes can be made, such as forming two and using one as a box and the other as a lid.
１００，４００，５００ 組立箱、
１０ 底面板、
１０ａ 第１辺、
１０ｂ 第２辺、
２０ 第１側板、
２１，４２１ 係止片、
２１１，４２１１ 補強部、
４２１１ａ 補強部の端部、
２１２，４２１２ 差込部、
２１２１ 差込部左端、
２１２ａ 第１切込上片（第１切込の上片）、
２１２ｂ 第１切込下片（第１切込の下片）、
２１３，４２１３ 第１切込、
２１４ 第３切込、
２２ 折曲線、
３０，４３０ 第２側板、
３２ 第２切込、
３２１ 第２切込上部、
３２２ 第２切込下部、
３２ａ 第２切込上片（第２切込の上片）、
３２ｂ 第２切込下片（第２切込の下片）、
４３３ 第４切込、
５０ 蓋、
１０１，４０１ 平板
100,400,500 assembly box,
10 Bottom plate,
10a first side,
10b second side,
20 first side plate,
21, 421 locking piece,
211, 4211 reinforcement part,
4211a the end of the reinforcement,
212, 4212 plug,
2121 Left edge of plug,
212a First cut upper piece (first cut upper piece),
212b first cut lower piece (first cut lower piece),
213, 4213 1st notch,
214 3rd notch,
22 Folding curve,
30, 430 second side plate,
32 Second notch,
321 upper second cut,
322, the second notch lower part,
32a second cut upper piece (second cut upper piece),
32b Second cut lower piece (second cut lower piece),
433 4th notch,
50 lids,
101,401 flat plate
Claims (4)
前記組立箱の外側で前記第１切込の上片と前記第２切込の下片が当接し、前記組立箱の内側で前記第１切込の下片と前記第２切込の上片が当接することにより、前記第２側板の内側への倒れ込みおよび前記係止片の抜けが防止されており、
前記係止片は、前記第１切込の端部周辺に前記係止片の抜けを防止するための第３切込が設けられていることを特徴とする組立箱。 In an assembly box formed by bending a flat plate, the flat plate includes a bottom plate, a first side plate connected to the first side of the bottom plate, and a second side of the bottom plate adjacent to the first side. The first side plate includes a locking piece having a first notch, and the second side plate is substantially the same as the first notch for locking the locking piece. The assembly box has a second notch having the same inclination angle, and the assembly box is engaged with the first notch and the second notch so that the locking piece and the second notch are coupled. Is an assembly box that is held,
The upper piece of the first cut and the lower piece of the second cut abut on the outside of the assembly box, and the lower piece of the first cut and the upper piece of the second cut on the inside of the assembly box. Is prevented from falling into the inside of the second side plate and coming off of the locking piece,
3. The assembly box according to claim 3, wherein the locking piece is provided with a third cut for preventing the locking piece from coming off around an end of the first cut.
前記係止片は、前記第２側板と略同一の幅で形成された前記第１側板に連接する補強部を備え、
前記第２側板はさらに前記補強部の端部と略同一の傾斜角度をもった第４切込を有し、前記組立箱の外側で前記第４切込と前記補強部の端部が当接し、前記組立箱の内側で前記第１切込と前記第２切込の上片が当接することにより、前記第２側板の内側への倒れ込みおよび前記係止片の抜けが防止されていることを特徴とする組立箱。 In an assembly box formed by bending a flat plate, the flat plate includes a bottom plate, a first side plate connected to the first side of the bottom plate, and a second side of the bottom plate adjacent to the first side. The first side plate includes a locking piece having a first notch, and the second side plate is substantially the same as the first notch for locking the locking piece. The assembly box has a second notch having the same inclination angle, and the assembly box is engaged with the first notch and the second notch so that the locking piece and the second notch are coupled. Is an assembly box that is held,
The locking piece includes a reinforcing portion connected to the first side plate formed to have substantially the same width as the second side plate,
The second side plate further has a fourth cut having an inclination angle substantially the same as the end of the reinforcing portion, and the fourth cut and the end of the reinforcing portion abut on the outside of the assembly box. The upper piece of the first cut and the second cut abuts inside the assembly box to prevent the second side plate from falling down and the locking piece from coming off. A special assembly box.
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| JP2017071367 | 2017-03-31 | ||
| JP2017071367 | 2017-03-31 | ||
| JP2017133807 | 2017-07-07 | ||
| JP2017133807 | 2017-07-07 |
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| CN115155182B (en) * | 2022-07-01 | 2023-08-25 | 华能太原东山燃机热电有限责任公司 | Plate-shaped filter element mounting mechanism for gas turbine |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2303796A (en) * | 1939-08-08 | 1942-12-01 | Ind Patents Corp | Carton |
| US2634899A (en) * | 1948-04-17 | 1953-04-14 | Bemiss Jason Company | Glueless interlock for folding box panels |
| US2712409A (en) * | 1949-12-10 | 1955-07-05 | Sutherland Paper Co | Collapsible box or box cover |
| US3069061A (en) * | 1960-03-03 | 1962-12-18 | Package Machinery Co | Glueless interlock carton construction and blank therefor |
| US3037680A (en) * | 1960-07-29 | 1962-06-05 | Packaging Corp America | Corner-lock carton |
| US3226006A (en) * | 1962-11-27 | 1965-12-28 | Memco Machinery Corp | Carton blanks and resulting cartons with fulcrum locking of side panels |
| JPS5078633U (en) * | 1973-11-24 | 1975-07-08 | ||
| JPS5264641U (en) * | 1975-11-05 | 1977-05-13 | ||
| US3991932A (en) * | 1976-03-12 | 1976-11-16 | Corning Glass Works | Blanks for forming cartons or the like and resulting cartons |
| US4216897A (en) * | 1979-04-09 | 1980-08-12 | Kliklok Corporation | Lock for a corner lock carton |
| GB2283231A (en) * | 1993-10-26 | 1995-05-03 | Linpac Containers Int | Containers formed from blanks |
| DE602005017344D1 (en) * | 2004-11-26 | 2009-12-10 | Unilever Nv | container |
| JP2013052884A (en) * | 2011-09-01 | 2013-03-21 | Toppan Printing Co Ltd | Paper container |
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