JP6758648B2 - container - Google Patents

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JP6758648B2
JP6758648B2 JP2017036695A JP2017036695A JP6758648B2 JP 6758648 B2 JP6758648 B2 JP 6758648B2 JP 2017036695 A JP2017036695 A JP 2017036695A JP 2017036695 A JP2017036695 A JP 2017036695A JP 6758648 B2 JP6758648 B2 JP 6758648B2
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locking
side wall
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bottom wall
contact
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英嗣 中井
英嗣 中井
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Sanko Co Ltd
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Description

本発明は、物品の運搬等に使用される容器に関するものである。 The present invention relates to a container used for transporting articles and the like.

従来、物品の運搬等に使用される容器として、平面視略矩形状の底壁構成部と、底壁構成部の各側辺部の上方に立設される側壁部とを備え、底壁構成部に対し側壁部が着脱自在に構成されたものが知られている。また、各側壁部には複数の係合部が設けられており、底壁構成部には、各側辺部に沿って、対応する側壁部の係合部と係合される複数の被係合部が設けられている（例えば、特許文献１等参照。）。 Conventionally, as a container used for transporting articles or the like, a bottom wall constituent portion having a substantially rectangular shape in a plan view and a side wall portion erected above each side side portion of the bottom wall constituent portion are provided, and the bottom wall configuration is provided. It is known that the side wall portion is detachably configured with respect to the portion. Further, each side wall portion is provided with a plurality of engaging portions, and the bottom wall constituent portion is provided with a plurality of engagement portions that are engaged with the engaging portions of the corresponding side wall portions along each side side portion. A joint is provided (see, for example, Patent Document 1 and the like).

特開２０１５−３７３８号公報Japanese Unexamined Patent Publication No. 2015-3738

ところで、底壁構成部と、側壁部とを組立てて使用する容器の組立作業に関し、より一層の作業性の向上が求められている。 By the way, with respect to the assembling work of the container in which the bottom wall constituent portion and the side wall portion are assembled and used, further improvement in workability is required.

本発明は、上記例示した問題点等を解決するためになされたものであって、その目的は、組立作業性の向上を図ることのできる容器を提供することにある。 The present invention has been made to solve the above-exemplified problems and the like, and an object of the present invention is to provide a container capable of improving assembly workability.

以下、上記目的等を解決するのに適した各手段につき項分けして説明する。なお、必要に応じて対応する手段に特有の作用効果等を付記する。 Hereinafter, each means suitable for solving the above-mentioned objectives and the like will be described separately for each item. In addition, the action and effect peculiar to the corresponding means will be added as necessary.

手段１．平面視略矩形状の底壁構成部と、
前記底壁構成部の各側辺部の上方に立設される側壁部とを備え、
前記側壁部は、下辺部から下方に突出する複数の挿入部を備え、
前記底壁構成部は、上方に開口し、前記各挿入部を挿入可能な複数の被挿入部を備え、
前記挿入部は、係止部を備え、
前記被挿入部は、前記係止部と係止状態とされる被係止部を備え、
前記側壁部のうち少なくとも一つの側壁部に関し、当該側壁部に設けられる前記複数の挿入部として、第１挿入部と、前記第１挿入部よりも前記側壁部からの突出長の長い第２挿入部とを備え、
前記底壁構成部は、
前記第１挿入部が前記被挿入部に挿入される際に、前記第１挿入部の前記係止部である第１係止部の第１当接部と当接し、前記第１係止部を変位させる第１被当接部と、
前記第２挿入部が前記被挿入部に挿入される際に、前記第２挿入部の前記係止部である第２係止部の第２当接部と当接し、前記第２係止部を変位させる第２被当接部とを備え、
前記第１挿入部、及び、前記第２挿入部を備える前記側壁部と、前記底壁構成部の対応する側辺部とを上下に平行に配置した場合に、
前記第１挿入部の下端部と、対応する前記被挿入部の挿入口との間の距離と、前記第２挿入部の下端部と、対応する前記被挿入部の挿入口との間の距離とが異なり、かつ、
前記第１当接部と、前記第１被当接部との間の距離と、前記第２当接部と、前記第２被当接部との間の距離とが同じとなるように構成されていることを特徴とする容器。 Means 1. The bottom wall component, which is approximately rectangular in plan view,
It is provided with a side wall portion erected above each side side portion of the bottom wall constituent portion.
The side wall portion includes a plurality of insertion portions projecting downward from the lower side portion.
The bottom wall component is provided with a plurality of inserted portions that are open upward and into which each of the insertion portions can be inserted.
The insertion portion includes a locking portion and
The inserted portion includes the locked portion and the locked portion to be locked.
Regarding at least one side wall portion of the side wall portion, as the plurality of insertion portions provided on the side wall portion, a first insertion portion and a second insertion portion having a longer protrusion length from the side wall portion than the first insertion portion. With a department
The bottom wall component
When the first insertion portion is inserted into the inserted portion, the first insertion portion comes into contact with the first contact portion of the first locking portion, which is the locking portion of the first insertion portion, and the first locking portion. The first contacted part that displaces
When the second insertion portion is inserted into the inserted portion, the second insertion portion comes into contact with the second contact portion of the second locking portion, which is the locking portion of the second insertion portion, and the second locking portion With a second contacted part to displace
When the first insertion portion, the side wall portion including the second insertion portion, and the corresponding side side portions of the bottom wall constituent portion are arranged vertically in parallel.
The distance between the lower end of the first insertion portion and the corresponding insertion port of the inserted portion, and the distance between the lower end of the second insertion portion and the corresponding insertion port of the inserted portion. Is different from
The distance between the first contacted portion and the first contacted portion is the same as the distance between the second contacted portion and the second contacted portion. A container characterized by being made.

手段１によれば、側壁部は、その下辺部において、下方への突出長の異なる第１挿入部、及び、第２挿入部を備えており、側壁部を底壁構成部に取付ける場合に、先ず、第２挿入部の先端（下端）が対応する被挿入部に挿入され、その後、第１挿入部の先端が対応する被挿入部に挿入されることとなる。このため、側壁部の複数の挿入部を、底壁構成部の複数の被挿入部に挿入させる作業に際して、複数の挿入部のうち被挿入部に対して最初に挿入させる挿入部が第２挿入部に限定され、被挿入部に対して最初に、（ほぼ）同時に挿入させる挿入部の数を低減させることができる。従って、側壁部に設けられた挿入部の数が多く、当該側壁部を底壁構成部に取付ける際に、その全ての挿入部を、対応する被挿入部と位置合わせし、（ほぼ）同時に挿入させるといった構成に比べ、作業性の向上を図ることができる。特に、第２挿入部は第１挿入部よりも下方に突出していることから、側壁部の底壁構成部への取付作業に際し、第２挿入部を対応する被挿入部に位置合わせすればよいことを認識し易くするとともに、位置合わせして挿入する作業を比較的容易に行うことができる。さらに、第２挿入部の先端が被挿入部に挿入された後は、第２挿入部をそのまま被挿入部の奥へと挿入させることで、第１挿入部と、対応する被挿入部との位置関係を余り意識しなくても、スムースに第１挿入部を対応する被挿入部に挿入させることができる。結果として、容器の組立作業性の向上等を図ることができる。 According to the means 1, the side wall portion includes a first insertion portion and a second insertion portion having different downward protrusion lengths on the lower side portion thereof, and when the side wall portion is attached to the bottom wall constituent portion, First, the tip (lower end) of the second insertion portion is inserted into the corresponding inserted portion, and then the tip of the first insertion portion is inserted into the corresponding inserted portion. For this reason, when inserting the plurality of insertion portions of the side wall portion into the plurality of inserted portions of the bottom wall constituent portion, the insertion portion to be inserted first into the inserted portion among the plurality of insertion portions is the second insertion portion. It is limited to the portions, and the number of insertion portions to be inserted first (almost) simultaneously with the inserted portion can be reduced. Therefore, the number of insertion portions provided on the side wall portion is large, and when the side wall portion is attached to the bottom wall constituent portion, all the insertion portions are aligned with the corresponding inserted portions and inserted (almost) at the same time. It is possible to improve workability as compared with the configuration of making the device. In particular, since the second insertion portion protrudes downward from the first insertion portion, the second insertion portion may be aligned with the corresponding inserted portion when the side wall portion is attached to the bottom wall constituent portion. This can be easily recognized, and the work of aligning and inserting can be performed relatively easily. Further, after the tip of the second insertion portion is inserted into the inserted portion, the second insertion portion is inserted into the depth of the inserted portion as it is, so that the first insertion portion and the corresponding inserted portion can be inserted. The first insertion portion can be smoothly inserted into the corresponding inserted portion without paying much attention to the positional relationship. As a result, the workability of assembling the container can be improved.

また、側壁部を底壁構成部に取付ける際に、第１挿入部、及び、第２挿入部の第１係止部、及び、第２係止部が、第１当接部、及び、第２当接部において、底壁構成部の第１被当接部、及び、第２被当接部と当接することとなる（第１係止部、及び、第２係止部が、第１被当接部、及び、第２被当接部を乗り越えて、被係止部に係止される格好となる）。本手段によれば、側壁部を、底壁構成部の対応する側辺部の上方において平行に配置した場合、第１当接部と第１被当接部との間の距離と、第２当接部と第２被当接部との間の距離とが同じとなるように構成されている。このため、側壁部を、底壁構成部の対応する側辺部の上方において平行に配置し、そのまま下降させて挿入部を被挿入部に挿入させることで、第１当接部と、第１被当接部とが当接するタイミングと、第２当接部と、第２被当接部とが当接するタイミングとを一致させることができる。従って、側壁部を底壁構成部に取付ける際に、側壁部と底壁構成部との間のファーストコンタクトとして各係止部が底壁構成部から受ける応力を、当該側壁部に設けられた全ての係止部に分散させることができる。結果として、側壁部を底壁構成部に取付ける作業に際しての係止部等の損傷リスクを低減させることができる。 Further, when the side wall portion is attached to the bottom wall constituent portion, the first insertion portion, the first locking portion of the second insertion portion, and the second locking portion are the first contact portion and the second. In the two contact portions, the first contacted portion and the second contacted portion of the bottom wall constituent portion are in contact with each other (the first locking portion and the second locking portion are the first. It is dressed to get over the contacted portion and the second contacted portion and be locked to the locked portion). According to this means, when the side wall portion is arranged in parallel above the corresponding side side portion of the bottom wall constituent portion, the distance between the first contact portion and the first contact portion and the second It is configured so that the distance between the abutting portion and the second contacted portion is the same. Therefore, the side wall portion is arranged in parallel above the corresponding side side portion of the bottom wall constituent portion, and is lowered as it is to insert the insertion portion into the inserted portion, whereby the first contact portion and the first contact portion are formed. The timing of contact with the contacted portion and the timing of contact between the second contacted portion and the second contacted portion can be matched. Therefore, when the side wall portion is attached to the bottom wall constituent portion, all the stresses that each locking portion receives from the bottom wall constituent portion as the first contact between the side wall portion and the bottom wall constituent portion are provided on the side wall portion. It can be dispersed in the locking portion of. As a result, it is possible to reduce the risk of damage to the locking portion and the like during the work of attaching the side wall portion to the bottom wall constituent portion.

尚、「前記複数の被挿入部の前記挿入口の高さ位置はいずれも同じであること」としてもよい。この場合、底壁構成部のうち挿入口が形成される面、すなわち、側壁部の下辺部との当接面を平坦面とすることができる。従って、例えば、底壁構成部のうち挿入口の形成面が凸凹する場合に比べ、底壁構成部と、側壁部との間に隙間が形成されるといった事態を飛躍的に低減させることができる。 It should be noted that "the height positions of the insertion openings of the plurality of inserted portions are all the same" may be used. In this case, the surface of the bottom wall constituent portion on which the insertion port is formed, that is, the contact surface with the lower side portion of the side wall portion can be a flat surface. Therefore, for example, it is possible to dramatically reduce the situation where a gap is formed between the bottom wall constituent portion and the side wall portion as compared with the case where the forming surface of the insertion port is uneven among the bottom wall constituent portions. ..

手段２．前記第１当接部の高さ位置と、前記第２当接部の高さ位置とが同じであり、
前記第１被当接部の高さ位置と、前記第２被当接部の高さ位置とが同じであることを特徴とする手段１に記載の容器。 Means 2. The height position of the first contact portion and the height position of the second contact portion are the same.
The container according to means 1, wherein the height position of the first contacted portion and the height position of the second contacted portion are the same.

手段２によれば、第１被当接部、及び、第２被当接部の高さ位置を揃えることができ、底壁構成部の形状の複雑化を抑制することができる。さらに、第１当接部、及び、第２当接部の高さ位置を揃えることができ、底壁部の下辺部が略水平方向に延びる場合、第１挿入部、及び、第２挿入部の付根部から第１当接部、及び、第２当接部までの間の長さを揃えることができる。従って、例えば、第１挿入部、及び、第２挿入部の付根部から第１当接部、及び、第２当接部までの間の長さが異なることに起因して、当該部位の変形し易さ等に差異が生じ、側壁部を底壁構成部に取付ける際に、当該側壁部に設けられた係止部が底壁構成部から受ける応力を当該側壁部に設けられた全ての係止部に（ほぼ均等に）分散させるといった作用効果が薄れてしまうといった事態を回避することができる。 According to the means 2, the height positions of the first contacted portion and the second contacted portion can be aligned, and the complicated shape of the bottom wall constituent portion can be suppressed. Further, when the height positions of the first contact portion and the second contact portion can be aligned and the lower side portion of the bottom wall portion extends in a substantially horizontal direction, the first insertion portion and the second insertion portion The length from the root portion to the first contact portion and the second contact portion can be made uniform. Therefore, for example, the deformation of the portion due to the difference in length between the first insertion portion and the base portion of the second insertion portion to the first contact portion and the second contact portion. There is a difference in ease of use, etc., and when the side wall is attached to the bottom wall component, all the engagements provided on the side wall are stressed by the locking portion provided on the side wall from the bottom wall component. It is possible to avoid a situation in which the action and effect of dispersing (almost evenly) in the stop portion is diminished.

手段３．前記挿入部は、前記側壁部の下辺部から下方に延びる弾性片と、前記弾性片の側方において前記弾性片に沿って延びる保護部とを備え、前記係止部が前記弾性片に設けられる構成において、
前記係止部は爪形状をなし、前記係止部のうち前記被係止部と係止される係止面の反対面側には、前記係止面に対して傾斜して延びる傾斜部が設けられ、前記傾斜部において、前記第１当接部、及び、前記第２当接部が設けられていることを特徴とする手段１又は２に記載の容器。 Means 3. The insertion portion includes an elastic piece extending downward from the lower side portion of the side wall portion and a protective portion extending along the elastic piece on the side of the elastic piece, and the locking portion is provided on the elastic piece. In the configuration
The locking portion has a claw shape, and an inclined portion extending inclined with respect to the locking surface is provided on the opposite surface side of the locking portion to be locked with the locked portion. The container according to means 1 or 2, wherein the first contact portion and the second contact portion are provided at the inclined portion.

手段３によれば、係止部が設けられた弾性片から独立して設けられた保護部により、弾性片の保護を図るとともに、挿入部を被挿入部に挿入する作業に際しての底壁構成部に対する側壁部の位置決めをより確実、かつ、スムースに行うことができる。また、第１当接部、及び、第２当接部が傾斜部において設けられているため、第１当接部、及び、第２当接部が第１被当接部、及び、第２被当接部と当接した後、弾性片を比較的スムースに弾性変形させることができ、係止部が第１被当接部、及び、第２被当接部を相対的に乗り越えられるように、係止部を比較的スムースに変位させることができる。 According to the means 3, the elastic piece is protected by the protective portion provided independently of the elastic piece provided with the locking portion, and the bottom wall constituent portion when the insertion portion is inserted into the inserted portion. Positioning of the side wall portion with respect to the relative can be performed more reliably and smoothly. Further, since the first contact portion and the second contact portion are provided at the inclined portion, the first contact portion and the second contact portion are the first contact portion and the second contact portion. After abutting with the contacted portion, the elastic piece can be elastically deformed relatively smoothly, so that the locking portion can relatively overcome the first contacted portion and the second contacted portion. In addition, the locking portion can be displaced relatively smoothly.

手段４．前記底壁構成部は、容器が設置面に設置された場合に当該設置面に接地する略矩形板状の底壁部と、前記底壁部の各側辺部から上方に延びる縦壁部と、前記縦壁部の上辺部から外方に突出する受フランジ部とを備え、
前記受フランジ部において前記被挿入部の前記挿入口が設けられ、前記側壁部の下辺部が前記受フランジ部の上面に支持される構成において、
前記底壁部を外方に延長させるようにして、前記縦壁部よりも外方に突出する底フランジ部を備え、
前記被挿入部のうち、前記第２挿入部が挿入される前記被挿入部を構成する挿入壁部は、前記受フランジ部と、前記底フランジ部との間を連結するようにして設けられていることを特徴とする手段１乃至３のいずれかに記載の容器。 Means 4. The bottom wall component includes a substantially rectangular plate-shaped bottom wall portion that contacts the installation surface when the container is installed on the installation surface, and a vertical wall portion that extends upward from each side side portion of the bottom wall portion. A receiving flange portion that protrudes outward from the upper side portion of the vertical wall portion is provided.
In a configuration in which the insertion port of the inserted portion is provided in the receiving flange portion and the lower side portion of the side wall portion is supported on the upper surface of the receiving flange portion.
A bottom flange portion is provided so as to extend the bottom wall portion outward so as to extend outward from the vertical wall portion.
Among the inserted portions, the insertion wall portion constituting the inserted portion into which the second insertion portion is inserted is provided so as to connect the receiving flange portion and the bottom flange portion. The container according to any one of means 1 to 3, wherein the container is provided.

手段４によれば、第２挿入部が挿入される被挿入部を構成する挿入壁部により、受フランジ部と、底フランジ部との間が連結されていることから、受フランジ部、底フランジ部、及び、第２挿入部が挿入される被挿入部（挿入壁部）の剛性を相乗的に高めることができる。従って、受フランジ部、底フランジ部、及び、第２挿入部が挿入される被挿入部（挿入壁部）の変形、及び、損傷を抑止することができる。特に、底フランジ部は、底壁部を外方へ延長させるようにして設けられ、例えば、容器が床面等の設置面に設置された場合に、底壁部とともに設置面に接地することとなる。このため、受フランジ部が、第２挿入部を備える側壁部から加重を受けた場合に、設置面に支持される底フランジ部と、挿入壁部とが協働して、受フランジ部をより確実に支持する（受フランジ部の変形等を防止する）ことができる。その一方で、底フランジ部が設置面からの加重を受けた場合には、挿入壁部、及び、受フランジ部が協働し、底フランジ部の変形等を防止することができる。 According to the means 4, since the receiving flange portion and the bottom flange portion are connected by the insertion wall portion constituting the inserted portion into which the second insertion portion is inserted, the receiving flange portion and the bottom flange are connected. The rigidity of the portion and the inserted portion (insertion wall portion) into which the second insertion portion is inserted can be synergistically increased. Therefore, deformation and damage of the receiving flange portion, the bottom flange portion, and the inserted portion (insertion wall portion) into which the second insertion portion is inserted can be suppressed. In particular, the bottom flange portion is provided so as to extend the bottom wall portion outward, and for example, when the container is installed on an installation surface such as a floor surface, the bottom wall portion and the bottom wall portion are grounded to the installation surface. Become. Therefore, when the receiving flange portion receives a load from the side wall portion provided with the second insertion portion, the bottom flange portion supported by the installation surface and the insertion wall portion cooperate with each other to twist the receiving flange portion. It can be reliably supported (preventing deformation of the receiving flange portion, etc.). On the other hand, when the bottom flange portion receives a load from the installation surface, the insertion wall portion and the receiving flange portion cooperate with each other to prevent deformation of the bottom flange portion.

また、例えば、挿入壁部を、受フランジ部と、底フランジ部との間を連結するようにして設ける構成を省略する代わりに、同等の強度アップを図ることのできる補強用のリブを別途設ける場合に比べ、底壁構成部の外周面側の構成の簡素化を図ることができる。さらに、底壁構成部の外周面（縦壁部の外面）に対し、所定の情報を有する情報部（印刷面、カードホルダ設置部等）を設けるスペースを確保し易くすることができる。 Further, for example, instead of omitting the configuration in which the insertion wall portion is provided so as to connect the receiving flange portion and the bottom flange portion, a reinforcing rib capable of achieving the same strength increase is separately provided. Compared with the case, the configuration on the outer peripheral surface side of the bottom wall component can be simplified. Further, it is possible to easily secure a space for providing an information portion (printing surface, card holder installation portion, etc.) having predetermined information on the outer peripheral surface (outer surface of the vertical wall portion) of the bottom wall constituent portion.

尚、底フランジ部が設けられることにより、容器の接地面積を増やすことができ、設置状態の安定化を図ることができる。特に、第２挿入部を備える側壁部に下向きの力が作用した場合に、容器が傾いてしまうといった事態をより確実に防止することができる。 By providing the bottom flange portion, the ground contact area of the container can be increased, and the installation state can be stabilized. In particular, when a downward force acts on the side wall portion provided with the second insertion portion, it is possible to more reliably prevent a situation in which the container is tilted.

手段５．前記側壁部に設けられた複数の前記挿入部のうち、前記側壁部の両側部、又は、その近傍位置に設けられる前記挿入部である端部挿入部は前記第１挿入部として構成され、
前記底壁構成部の下面には、前記端部挿入部が挿入される前記被挿入部の下方位置において段積み凹部が設けられ、
前記側壁部の上面には、前記端部挿入部の上方位置において設けられ、容器同士を上下に重ねた場合に、上側の容器の前記段積み凹部に挿入される段積み凸部が設けられていることを特徴とする手段１乃至４のいずれかに記載の容器。 Means 5. Of the plurality of insertion portions provided on the side wall portion, the end insertion portion which is the insertion portion provided at or near both side portions of the side wall portion is configured as the first insertion portion.
On the lower surface of the bottom wall constituent portion, a stacking recess is provided at a position below the inserted portion into which the end insertion portion is inserted.
On the upper surface of the side wall portion, a stacking convex portion is provided at a position above the end insertion portion and is inserted into the stacking recess of the upper container when the containers are stacked one above the other. The container according to any one of means 1 to 4, wherein the container is provided.

手段５によれば、底壁構成部の下面側に段積み凹部が設けられ、容器同士を上下に重ねる（段積みする）場合に、上側の容器の段積み凹部に対し、下側の容器の段積み凸部が挿入されるようになっている。これにより、上側の容器の底壁構成部のうち段積み凹部が形成された範囲の部位を、下側の容器の側壁部の内側に挿入させることができる。従って、容器を安定して段積みすることができ、運搬・保管効率の向上を図ることができる。 According to the means 5, a stacking recess is provided on the lower surface side of the bottom wall component, and when the containers are stacked vertically (stacked), the lower container has a stacking recess with respect to the stacking recess of the upper container. The stepped convex portion is inserted. As a result, the portion of the bottom wall constituent portion of the upper container in the range where the stacking recess is formed can be inserted inside the side wall portion of the lower container. Therefore, the containers can be stably stacked, and the transportation / storage efficiency can be improved.

また、側壁部の両端部、又は、その近傍位置に設けられる挿入部は第１挿入部であるため、底壁構成部の高さが低い場合であっても、側壁部の両端部、又は、その近傍位置に対し、第１挿入部を挿入する被挿入部の下方位置に、段積み凹部を形成することができる。さらに、例えば、第１挿入部及び第２挿入部が設けられた側壁部の横幅方向中央部に対応して段積み凸部が設けられる場合に比べ、段積みに関する構成を好適に設けることができる。 Further, since the insertion portions provided at or near both ends of the side wall portion are the first insertion portions, even if the height of the bottom wall constituent portion is low, both ends of the side wall portion or the insertion portions are provided. A stacking recess can be formed at a position below the inserted portion into which the first insertion portion is inserted with respect to the vicinity position thereof. Further, for example, as compared with the case where the stepped convex portion is provided corresponding to the central portion in the lateral width direction of the side wall portion provided with the first insertion portion and the second insertion portion, a configuration related to stacking can be preferably provided. ..

組立状態にある容器を上面側から見た斜視図である。It is a perspective view of the container in the assembled state as seen from the top surface side. 図１のＪ部を示す部分拡大斜視図。A partially enlarged perspective view showing a portion J in FIG. 組立状態にある容器を下面側から見た斜視図である。It is a perspective view of the container in an assembled state as seen from the lower surface side. 容器の分解斜視図である。It is an exploded perspective view of a container. 長辺側挿入部と、被挿入部との位置関係を説明するための側面図である。It is a side view for demonstrating the positional relationship between the long side insertion part and the insertion part. 図５の長辺側側壁部及び短辺側側壁部を底壁構成部に取付けた状態を示す部分側面図である。It is a partial side view which shows the state which the long side side side wall part and the short side side side wall part of FIG. 5 are attached to the bottom wall component part. 図６のＡ−Ａ線断面図である。FIG. 6 is a cross-sectional view taken along the line AA of FIG. 長辺側挿入部（第１挿入部）を被挿入部に挿入して図７の状態とする直前の状態を示す断面図である。FIG. 5 is a cross-sectional view showing a state immediately before the long side insertion portion (first insertion portion) is inserted into the inserted portion to obtain the state shown in FIG. 図６のＢ−Ｂ線断面図である。FIG. 6 is a cross-sectional view taken along the line BB of FIG. 長辺側挿入部（第２挿入部）を被挿入部に挿入して図９の状態とする直前の状態を示す断面図である。FIG. 5 is a cross-sectional view showing a state immediately before the long side insertion portion (second insertion portion) is inserted into the inserted portion to obtain the state shown in FIG. 長辺側側壁部の外面側を示す斜視図である。It is a perspective view which shows the outer surface side of the side wall part on the long side side. 図１１のＫ部を示す部分拡大斜視図である。It is a partially enlarged perspective view which shows the K part of FIG. 長辺側側壁部の内面側を示す斜視図である。It is a perspective view which shows the inner surface side of the side wall part on the long side side. 短辺側側壁部の外面側を示す斜視図である。It is a perspective view which shows the outer surface side of the side wall part on the short side side. 短辺側側壁部の内面側を示す斜視図である。It is a perspective view which shows the inner surface side of the side wall part on the short side side. 底壁構成部の上面側を示す斜視図である。It is a perspective view which shows the upper surface side of the bottom wall component part. 底壁構成部の部分拡大斜視図である。It is a partially enlarged perspective view of the bottom wall component part. 底壁構成部の下面側を示す斜視図である。It is a perspective view which shows the lower surface side of the bottom wall component part. 段積みされた容器の斜視図である。It is a perspective view of the stacked containers. 図１９のＣ−Ｃ線部分断面図である。FIG. 19 is a partial cross-sectional view taken along the line CC of FIG. 図１９のＤ−Ｄ線部分断面図である。FIG. 19 is a partial cross-sectional view taken along the line DD of FIG.

以下に、一実施形態について図面を参照して説明する。図１、図３、図４等に示すように、容器１は、平面視略矩形状の底壁構成部２と、底壁構成部２の相対する一対の長側辺部の上方に立設される長辺側側壁部３と、底壁構成部２の相対する一対の短側辺部の上方に立設される短辺側側壁部４とを備えている。底壁構成部２、長辺側側壁部３、及び、短辺側側壁部４は、それぞれ別体として構成され、底壁構成部２に対し、長辺側側壁部３、及び、短辺側側壁部４が着脱自在に構成されている。本実施形態では、底壁構成部２、長辺側側壁部３、及び、短辺側側壁部４は、ポリプロピレンにより構成されている。 Hereinafter, one embodiment will be described with reference to the drawings. As shown in FIGS. 1, 3, 4, 4 and the like, the container 1 is erected above a pair of long side portions of the bottom wall constituent portion 2 having a substantially rectangular shape in a plan view and the bottom wall constituent portion 2 facing each other. The long side side wall portion 3 to be formed and the short side side wall portion 4 erected above the pair of short side side portions facing each other of the bottom wall constituent portion 2 are provided. The bottom wall constituent portion 2, the long side side wall portion 3, and the short side side wall portion 4 are respectively configured as separate bodies, and the long side side side wall portion 3 and the short side side wall portion 3 and the short side side with respect to the bottom wall constituent portion 2. The side wall portion 4 is detachably configured. In the present embodiment, the bottom wall constituent portion 2, the long side side wall portion 3, and the short side side side wall portion 4 are made of polypropylene.

図５、図１１、図１３等に示すように、各長辺側側壁部３は、正面視略矩形状の長辺側ベース部１１と、長辺側ベース部１１の下辺部から下方に突出する長辺側挿入部１２と、長辺側ベース部１１の側辺部から側方に突出する係合突部１３と、長辺側ベース部１１の上辺部の両端部から上方に突出する長辺側凸部１４とを備えている。本実施形態では、各長辺側側壁部３において、長辺側挿入部１２が、長辺側ベース部１１の両側部と、その中間位置とにおいて、４つ設けられている。また、長辺側側壁部３、及び、短辺側側壁部４の下辺部の下面は略水平方向に延びている。 As shown in FIGS. 5, 11, 13, 13 and the like, each long side side wall portion 3 projects downward from the long side side base portion 11 having a substantially rectangular shape in front view and the lower side portion of the long side base portion 11. The length of the long side insertion portion 12 to be formed, the engaging protrusion 13 protruding laterally from the side side portion of the long side base portion 11, and the length protruding upward from both ends of the upper side portion of the long side base portion 11. It is provided with a side convex portion 14. In the present embodiment, in each long side side wall portion 3, four long side side insertion portions 12 are provided at both side portions of the long side side base portion 11 and at intermediate positions thereof. Further, the lower surface of the long side side wall portion 3 and the lower side portion of the short side side wall portion 4 extends in a substantially horizontal direction.

図１２等に示すように、各長辺側挿入部１２は、長辺側ベース部１１の下辺部から下方に延び、長辺側側壁部３の厚み方向において弾性変形可能な弾性片１６と、弾性片１６の先端部、又は、その近傍位置から外方に突出するメイン係止部１７と、弾性片１６の先端部から両側方に突出する左右一対のサブ係止部１８とを具備する弾性係止片１５と、弾性係止片１５の両側方において、弾性片１６に沿って延びる左右一対の柱部２０と、一対の柱部２０の先端部間を連結する横架部２１とを具備し、前記弾性係止片１５を囲うようにして設けられる略コ字状の保護部１９とを備えている。 As shown in FIG. 12 and the like, each long side insertion portion 12 extends downward from the lower side portion of the long side base portion 11 and is elastically deformable in the thickness direction of the long side side wall portion 3. Elasticity including a main locking portion 17 projecting outward from the tip portion of the elastic piece 16 or a position near the tip portion thereof, and a pair of left and right sub-locking portions 18 projecting outward from the tip portion of the elastic piece 16 on both sides. The locking piece 15 includes a pair of left and right pillars 20 extending along the elastic piece 16 on both sides of the elastic locking piece 15, and a horizontal portion 21 connecting the tips of the pair of pillars 20. A substantially U-shaped protective portion 19 is provided so as to surround the elastic locking piece 15.

メイン係止部１７は爪形状をなし、メイン係止部１７のうち詳しくは後述するメイン被係止部４７と係止されるメイン係止面１７ａは、弾性片１６の外面に対して略直交して延びている（図７等参照）。また、図５等に示すように、メイン係止部１７の横幅は、弾性片１６の横幅と同じとなっている。さらに、図７、図１２等に示すように、メイン係止部１７のうち、メイン係止面１７ａの反対面側には、メイン係止面１７ａに対して傾斜して延びる傾斜部１７ｂが設けられている。 The main locking portion 17 has a claw shape, and the main locking surface 17a locked with the main locked portion 47, which will be described in detail later, is substantially orthogonal to the outer surface of the elastic piece 16. (See Fig. 7 etc.). Further, as shown in FIG. 5 and the like, the width of the main locking portion 17 is the same as the width of the elastic piece 16. Further, as shown in FIGS. 7, 12 and the like, among the main locking portions 17, on the opposite surface side of the main locking surface 17a, an inclined portion 17b extending inclining with respect to the main locking surface 17a is provided. Has been done.

これに対し、図１２等に示すように、サブ係止部１８の先端面（下面）は、弾性片１６の外面に対して略直交して延びている。また、図５に示すように、メイン係止面１７ａは、サブ係止部１８のうち詳しくは後述するサブ被係止部４８と係止されるサブ係止面１８ａよりも若干上方に位置している。尚、サブ係止面１８ａは、長辺側側壁部３の内面側の部位が、若干下方傾斜している（図２０参照）。 On the other hand, as shown in FIG. 12 and the like, the tip surface (lower surface) of the sub-locking portion 18 extends substantially orthogonal to the outer surface of the elastic piece 16. Further, as shown in FIG. 5, the main locking surface 17a is located slightly above the sub-locking surface 18a that is locked to the sub-locked portion 48, which will be described in detail later, among the sub-locking portions 18. ing. The portion of the sub-locking surface 18a on the inner surface side of the long side side wall portion 3 is slightly inclined downward (see FIG. 20).

図１２、図１５等に示すように、柱部２０の長辺側ベース部１１からの延出長は、弾性片１６の長辺側ベース部１１からの延出長よりも長く、横架部２１は、弾性係止片１５よりも下方に位置している。さらに、図７、図９等に示すように、長辺側側壁部３の厚み方向において、柱部２０の外面と、弾性片１６の外面とが同じ位置となるように構成されている。このため、弾性係止片１５のうちメイン係止部１７のみが、柱部２０よりも外方に突出するような格好となっている。加えて、長辺側側壁部３の厚み方向において、柱部２０の幅は、弾性片１６の幅よりも大きく構成され、詳しくは後述するように、長辺側挿入部１２を底壁構成部２の被挿入部４５に挿入する際に弾性片１６が弾性変形した状態であっても、弾性片１６が、柱部２０の厚みの範囲内に収まるように構成されている。 As shown in FIGS. 12 and 15, the extension length of the column portion 20 from the long side base portion 11 is longer than the extension length of the elastic piece 16 from the long side base portion 11, and the horizontal portion 21 is located below the elastic locking piece 15. Further, as shown in FIGS. 7 and 9, the outer surface of the pillar portion 20 and the outer surface of the elastic piece 16 are configured to be at the same position in the thickness direction of the long side side wall portion 3. Therefore, of the elastic locking pieces 15, only the main locking portion 17 is shaped so as to protrude outward from the pillar portion 20. In addition, in the thickness direction of the long side side wall portion 3, the width of the pillar portion 20 is configured to be larger than the width of the elastic piece 16, and as will be described in detail later, the long side side insertion portion 12 is formed as a bottom wall constituent portion. Even if the elastic piece 16 is elastically deformed when it is inserted into the inserted portion 45 of 2, the elastic piece 16 is configured to be within the thickness range of the pillar portion 20.

また、長辺側側壁部３の厚み方向において、保護部１９の外面は、長辺側ベース部１１の外面よりも内方（長辺側側壁部３の内面側）に位置し、保護部１９の内面は、長辺側ベース部１１の内面よりも外方（長辺側側壁部３の外面側）に位置している。さらに、長辺側側壁部３の厚み方向において、横架部２１の外面は、弾性変形していない状態の弾性片１６の内面と同じ位置、又は、若干内方に位置している。 Further, in the thickness direction of the long side side wall portion 3, the outer surface of the protection portion 19 is located inward (the inner surface side of the long side side side wall portion 3) with respect to the outer surface of the long side side base portion 11, and the protection portion 19 Is located on the outer side (outer surface side of the long side side wall portion 3) from the inner surface of the long side side base portion 11. Further, in the thickness direction of the long side side wall portion 3, the outer surface of the horizontal portion 21 is located at the same position as the inner surface of the elastic piece 16 in the state of not being elastically deformed, or slightly inward.

保護部１９の左右一対の柱部２０は、その付根部（長辺側ベース部１１との連結部位）において、一対の柱部２０が互いに離間する方向に傾斜して延びている。さらに、柱部２０のうち弾性係止片１５側の内側側面と、長辺側ベース部１１の下辺部との間を斜めに連結する補助支持部２０ａと、補助支持部２０ａと柱部２０の付根部との間を連結する耐力壁部２０ｂとが設けられている。尚、弾性係止片１５と、保護部１９とは、弾性係止片１５が弾性変形していない状態、及び、弾性変形した状態のいずれにあっても、接触しないように構成されている。 The pair of left and right pillar portions 20 of the protection portion 19 extends at the root portion (connecting portion with the long side base portion 11) so as to be inclined in a direction in which the pair of pillar portions 20 are separated from each other. Further, the auxiliary support portion 20a that obliquely connects the inner side surface of the pillar portion 20 on the elastic locking piece 15 side and the lower side portion of the long side base portion 11, and the auxiliary support portion 20a and the pillar portion 20. A bearing wall portion 20b that connects the root portion and the bearing wall portion 20b is provided. The elastic locking piece 15 and the protective portion 19 are configured so as not to come into contact with each other regardless of whether the elastic locking piece 15 is elastically deformed or elastically deformed.

図４、図１４、図１５等に示すように、各短辺側側壁部４は、正面視略矩形状の短辺側ベース部３１と、短辺側ベース部３１の両側辺部から内方に突出する左右一対の連結壁部３２とを備え、平面視略コ字状をなしている。また、各短辺側側壁部４は、短辺側ベース部３１の下辺部から下方に突出する短辺側挿入部３３を備えている。本実施形態では、各短辺側側壁部４において、短辺側挿入部３３が、各連結壁部３２よりも短辺側ベース部３１の横幅方向中央部側において２つ設けられている。尚、短辺側挿入部３３についても、長辺側挿入部１２と同様の構成を具備している。 As shown in FIGS. 4, 14, 15, 15 and the like, each short side side wall portion 4 has a substantially rectangular short side base portion 31 in front view and inward from both side sides of the short side base portion 31. It is provided with a pair of left and right connecting wall portions 32 protruding into a rectangular shape, and has a substantially U-shape in a plan view. Further, each short side side wall portion 4 includes a short side insertion portion 33 projecting downward from the lower side portion of the short side base portion 31. In the present embodiment, in each short side side wall portion 4, two short side insertion portions 33 are provided on the lateral width direction central portion side of the short side side base portion 31 with respect to each connecting wall portion 32. The short side insertion portion 33 also has the same configuration as the long side insertion portion 12.

さらに、容器１の組立状態において長辺側側壁部３の側面と当接状態とされる各連結壁部３２の先端面側には、長辺側側壁部３の係合突部１３と係合される係合凹部３４が設けられている。また、図２、図５に示すように、容器１の組立状態において、短辺側側壁部４の短辺側ベース部３１の上辺部の上面は、長辺側側壁部３の長辺側凸部１４の上面よりも若干（例えば、０．５ｍｍ程度）上方に位置しており、連結壁部３２の上面は、短辺側ベース部３１の上面と、長辺側凸部１４の上面との間を連続させるようにして傾斜している。特に、本実施形態では、連結壁部３２の上面の傾斜が２段階となっており、短辺側ベース部３１側の部位は、長辺側凸部１４側の部位よりも、短辺側ベース部３１の上面に対する傾きが小さくなっている。 Further, the tip surface side of each connecting wall portion 32 that is in contact with the side surface of the long side side wall portion 3 in the assembled state of the container 1 is engaged with the engaging protrusion 13 of the long side side wall portion 3. An engaging recess 34 is provided. Further, as shown in FIGS. 2 and 5, in the assembled state of the container 1, the upper surface of the upper side of the short side base portion 31 of the short side side wall portion 4 is convex on the long side side of the long side side wall portion 3. It is located slightly (for example, about 0.5 mm) above the upper surface of the portion 14, and the upper surface of the connecting wall portion 32 is the upper surface of the short side base portion 31 and the upper surface of the long side convex portion 14. It is tilted so that the space is continuous. In particular, in the present embodiment, the upper surface of the connecting wall portion 32 is inclined in two stages, and the portion on the short side base portion 31 side is the short side base rather than the portion on the long side convex portion 14 side. The inclination of the portion 31 with respect to the upper surface is small.

また、図２、図１５に示すように、短辺側側壁部４には、連結壁部３２の内面を構成する壁部を、連結壁部３２の先端面から長辺側側壁部３側に突出させるようにして縦長突条部３５が設けられている。これに対し、図２、図１３に示すように、長辺側側壁部３の側面には、容器１が組立てられ、短辺側側壁部４の連結壁部３２の先端面と当接状態とされた場合に、縦長突条部３５が挿入される縦長切欠き部２２が設けられている。このように、長辺側側壁部３と、短辺側側壁部４との合わせ面において、縦長突条部３５及び縦長切欠き部２２が設けられることにより、長辺側側壁部３と、短辺側側壁部４との間の隙間が塞がれることとなる。尚、図２に示すように、縦長突条部３５の上端部に関しては、縦長切欠き部２２を構成するリブ等との接触を回避して損傷等を抑止するべく、斜めに切欠かれた形状とされている。加えて、図１等に示すように、短辺側ベース部３１の上部には持ち手孔３６が設けられており、短辺側ベース部３１のうち持ち手孔３６の上方部位を手で握って容器１を持ち運ぶことができるように構成されている。 Further, as shown in FIGS. 2 and 15, the short side side wall portion 4 has a wall portion forming the inner surface of the connecting wall portion 32 from the tip surface of the connecting wall portion 32 to the long side side side wall portion 3 side. A vertically long ridge portion 35 is provided so as to project. On the other hand, as shown in FIGS. 2 and 13, the container 1 is assembled on the side surface of the long side side wall portion 3, and is in contact with the tip surface of the connecting wall portion 32 of the short side side wall portion 4. When this is done, a vertically long notch 22 is provided into which the vertically long ridge 35 is inserted. In this way, the vertically long ridge portion 35 and the vertically long notch portion 22 are provided on the mating surface of the long side side side wall portion 3 and the short side side side wall portion 4, so that the long side side side wall portion 3 and the short side side wall portion 3 are provided. The gap between the side side wall portion 4 and the side side wall portion 4 is closed. As shown in FIG. 2, the upper end portion of the vertically long ridge portion 35 has a shape notched diagonally in order to avoid contact with ribs and the like constituting the vertically long notch portion 22 and prevent damage and the like. It is said that. In addition, as shown in FIG. 1 and the like, a handle hole 36 is provided in the upper part of the short side base portion 31, and the upper portion of the short side base portion 31 above the handle hole 36 is gripped by hand. It is configured so that the container 1 can be carried around.

図１６、図１８等に示すように、底壁構成部２は、容器１が設置面に設置された場合に当該設置面に接地する略矩形板状の底壁部４１と、底壁部４１の各側辺部から上方に延びる縦壁部４２と、縦壁部４２の上辺部から外方に突出する受フランジ部４３と、縦壁部４２の下辺部に沿って縦壁部４２の外方に突出する下フランジ部４４とを備えている。 As shown in FIGS. 16 and 18, the bottom wall component 2 includes a substantially rectangular plate-shaped bottom wall portion 41 that comes into contact with the installation surface when the container 1 is installed on the installation surface, and a bottom wall portion 41. A vertical wall portion 42 extending upward from each side portion of the above, a receiving flange portion 43 protruding outward from the upper side portion of the vertical wall portion 42, and an outside of the vertical wall portion 42 along the lower side portion of the vertical wall portion 42. It is provided with a lower flange portion 44 that protrudes in the direction.

また、受フランジ部４３と、下フランジ部４４との間には、側壁部３、４の挿入部１２、３３が挿入される被挿入部４５が設けられている。本実施形態では、受フランジ部４３において被挿入部４５の挿入口４６が設けられ、図７、図９等に示すように、挿入口４６を介して挿入部１２、３３が被挿入部４５に挿入されるとともに、側壁部３、４（長辺側ベース部１１、及び、短辺側ベース部３１）の下辺部が、受フランジ部４３の上面に支持されるように構成されている。 Further, between the receiving flange portion 43 and the lower flange portion 44, an inserted portion 45 into which the insertion portions 12 and 33 of the side wall portions 3 and 4 are inserted is provided. In the present embodiment, the receiving flange portion 43 is provided with the insertion port 46 of the inserted portion 45, and as shown in FIGS. 7 and 9, the insertion portions 12 and 33 are inserted into the inserted portion 45 via the insertion port 46. Upon being inserted, the lower side portions of the side wall portions 3 and 4 (long side side base portion 11 and short side base portion 31) are configured to be supported on the upper surface of the receiving flange portion 43.

また、図１６に示すように、被挿入部４５は、各側壁部３、４に設けられた複数の挿入部１２、３３に個別に対応して設けられており、底壁構成部２の各長側辺部に対応して被挿入部４５が４つずつ設けられ、底壁構成部２の各短側辺部に対応して被挿入部４５が２つずつ設けられている。本実施形態では、受フランジ部４３の上面は平坦面であり、全ての被挿入部４５の挿入口４６が同じ高さ位置となるように構成されている。 Further, as shown in FIG. 16, the inserted portion 45 is individually provided corresponding to a plurality of insertion portions 12 and 33 provided on the side wall portions 3 and 4, and each of the bottom wall constituent portions 2 is provided. Four inserted portions 45 are provided corresponding to the long side portions, and two inserted portions 45 are provided corresponding to each short side portion of the bottom wall constituent portion 2. In the present embodiment, the upper surface of the receiving flange portion 43 is a flat surface, and the insertion ports 46 of all the inserted portions 45 are configured to be at the same height position.

被挿入部４５は、側壁部３、４のメイン係止部１７と係止状態とされるメイン被係止部４７と、側壁部３、４のサブ係止部１８と係止状態とされるサブ被係止部４８とを備えている。より具体的に説明すると、図３等に示すように、各被挿入部４５は、挿入口４６の左右両側方位置において、受フランジ部４３の下面と、下フランジ部４４の上面と、縦壁部４２の外面との間を連結する左右一対の横壁部４９と、左右一対の横壁部４９のうち底壁構成部２の外周側の端部と、受フランジ部４３の下面と、下フランジ部４４の上面との間を連結する外壁部５０とを備えている。尚、図５、図８等に示すように、外壁部５０は、板状部５１と、板状部５１の外面側において受フランジ部４３等よりも外方に突出しないように設けられた格子状の補強リブ５２とを備えている。本実施形態では、横壁部４９、及び、外壁部５０により挿入壁部が構成されている。 The inserted portion 45 is locked with the main locked portion 47 of the side wall portions 3 and 4 and the sub-locked portion 18 of the side wall portions 3 and 4. A sub-locked portion 48 is provided. More specifically, as shown in FIG. 3 and the like, each inserted portion 45 has a lower surface of the receiving flange portion 43, an upper surface of the lower flange portion 44, and a vertical wall at positions on both the left and right sides of the insertion port 46. A pair of left and right side wall portions 49 connecting between the outer surfaces of the portions 42, an end portion of the pair of left and right side wall portions 49 on the outer peripheral side of the bottom wall constituent portion 2, the lower surface of the receiving flange portion 43, and the lower flange portion. It is provided with an outer wall portion 50 that connects the upper surface of the 44. As shown in FIGS. 5 and 8, the outer wall portion 50 is a grid provided so as not to protrude outward from the plate-shaped portion 51 and the receiving flange portion 43 or the like on the outer surface side of the plate-shaped portion 51. It is provided with a shaped reinforcing rib 52. In the present embodiment, the insertion wall portion is composed of the lateral wall portion 49 and the outer wall portion 50.

さらに、図５、図８等に示すように、外壁部５０には、係止孔５３が設けられており、係止孔５３の上縁部（板状部５１の開口縁及び補強リブ５２）により、メイン被係止部４７が構成されている。図５、図６に示すように、係止孔５３の横幅は、メイン係止部１７の横幅よりも広く構成されており、係止孔５３の横幅方向略中央部において、メイン係止部１７がメイン被係止部４７と係止されるようになっている（係止孔５３の上縁部のうち横幅方向中央部を含む部位がメイン被係止部４７として構成されている）。また、容器１の組立状態では、係止孔５３を介してサブ係止部１８を視認可能に構成されている。 Further, as shown in FIGS. 5 and 8, the outer wall portion 50 is provided with a locking hole 53, and the upper edge portion of the locking hole 53 (the opening edge of the plate-shaped portion 51 and the reinforcing rib 52). As a result, the main locked portion 47 is configured. As shown in FIGS. 5 and 6, the width of the locking hole 53 is wider than the width of the main locking portion 17, and the main locking portion 17 is located at a substantially central portion in the width direction of the locking hole 53. Is locked with the main locked portion 47 (a portion of the upper edge portion of the locking hole 53 including the central portion in the lateral width direction is configured as the main locked portion 47). Further, in the assembled state of the container 1, the sub-locking portion 18 is visually recognizable through the locking hole 53.

加えて、図５、図１７等に示すように、係止孔５３の上縁部のうちメイン係止部１７が係止される部位（メイン被係止部４７）の両側方位置には、外壁部５０の板状部５１の内面から突出する左右一対のサブ被係止部４８が設けられている。つまり、係止孔５３を介して視認されるサブ係止部１８の上面（サブ係止面１８ａ）が、サブ被係止部４８の下面に係止状態とされる。また、図８、図２０等に示すように、サブ被係止部４８の下面（被係止面）は、底壁構成部２の内周側に向けて若干下方傾斜している。上記のように、サブ係止部１８の上面（サブ係止面１８ａ）のうち側壁部３、４の内面側の部位においても、側壁部３、４の内面側に向けて下方傾斜していることから、サブ係止面１８ａと、サブ被係止部４８とが圧接した場合に、サブ係止部１８がサブ被係止部４８から外れ難くなっている。また、サブ被係止部４８のうち、被係止面とは反対側の面（上面）は、底壁構成部２の内周側に向けて、前記被係止面よりも大きく下方傾斜している。 In addition, as shown in FIGS. 5, 17 and the like, at the positions on both sides of the upper edge portion of the locking hole 53 where the main locking portion 17 is locked (main locked portion 47), A pair of left and right sub-locked portions 48 projecting from the inner surface of the plate-shaped portion 51 of the outer wall portion 50 are provided. That is, the upper surface (sub-locking surface 18a) of the sub-locking portion 18 visually recognized through the locking hole 53 is locked to the lower surface of the sub-locked portion 48. Further, as shown in FIGS. 8 and 20, the lower surface (locked surface) of the sub-locked portion 48 is slightly inclined downward toward the inner peripheral side of the bottom wall constituent portion 2. As described above, the portion of the upper surface (sub-locking surface 18a) of the sub-locking portion 18 on the inner surface side of the side wall portions 3 and 4 is also inclined downward toward the inner surface side of the side wall portions 3 and 4. Therefore, when the sub-locking surface 18a and the sub-locked portion 48 are in pressure contact with each other, the sub-locking portion 18 is less likely to come off from the sub-locked portion 48. Further, the surface (upper surface) of the sub-locked portion 48 opposite to the locked surface is inclined downward greatly from the locked surface toward the inner peripheral side of the bottom wall constituent portion 2. ing.

加えて、図７、図８、図１７等に示すように、被挿入部４５には、縦壁部４２から突出して上下に延び、被挿入部４５に挿入された挿入部１２、３３の保護部１９と当接可能な位置決め調整部５４が設けられている。尚、縦壁部４２のうち被挿入部４５を構成する面は、下方に向けて外方に若干傾斜して延びており、位置決め調整部５４（特に、保護部１９との当接面）についても、下方に向けて外方に若干傾斜して延びている。このため、被挿入部４５に挿入される挿入部１２、３３は、位置決め調整部５４によって外方（外壁部５０側）に案内されるようになっている。 In addition, as shown in FIGS. 7, 8, 17, 17 and the like, the inserted portion 45 projects from the vertical wall portion 42 and extends vertically to protect the inserted portions 12 and 33 inserted into the inserted portion 45. A positioning adjustment unit 54 that can come into contact with the unit 19 is provided. The surface of the vertical wall portion 42 that constitutes the inserted portion 45 extends downward with a slight inclination outward, and the positioning adjusting portion 54 (particularly, the contact surface with the protective portion 19) is provided. However, it extends downward with a slight inclination to the outside. Therefore, the insertion portions 12 and 33 inserted into the inserted portion 45 are guided to the outside (outer wall portion 50 side) by the positioning adjustment portion 54.

また、図５、図１６に示すように、底壁構成部２には、底壁構成部２の全周にわたり、縦壁部４２を受フランジ部４３よりも上方に突出させるようにして周状突条部５５が設けられている。これに対し、図７、図８等に示すように、長辺側側壁部３、及び、短辺側側壁部４の下面には、容器１が組立てられ、受フランジ部４３の上面と当接状態とされた場合に、周状突条部５５が挿入される下部切欠き部２３、３７が設けられている。このように、長辺側側壁部３、及び、短辺側側壁部４と、底壁構成部２との合わせ面において、周状突条部５５及び下部切欠き部２３、３７が設けられることにより、長辺側側壁部３、及び、短辺側側壁部４と、底壁構成部２との間の隙間が塞がれることとなる。 Further, as shown in FIGS. 5 and 16, the bottom wall constituent portion 2 has a circumferential shape so that the vertical wall portion 42 projects upward from the receiving flange portion 43 over the entire circumference of the bottom wall constituent portion 2. A ridge portion 55 is provided. On the other hand, as shown in FIGS. 7, 8 and the like, the container 1 is assembled on the lower surfaces of the long side side wall portion 3 and the short side side wall portion 4, and comes into contact with the upper surface of the receiving flange portion 43. Lower notches 23 and 37 into which the peripheral ridges 55 are inserted when the state is set are provided. In this way, the peripheral ridge portion 55 and the lower notch portions 23 and 37 are provided on the mating surface of the long side side wall portion 3 and the short side side side wall portion 4 and the bottom wall constituent portion 2. As a result, the gap between the long side side wall portion 3 and the short side side wall portion 4 and the bottom wall constituent portion 2 is closed.

容器１の組立作業は、先ず、長辺側側壁部３の長辺側ベース部１１の下辺部と、底壁構成部２の受フランジ部４３とが当接するまで、長辺側側壁部３の長辺側挿入部１２を底壁構成部２の対応する被挿入部４５に挿入させる。これにより、長辺側挿入部１２のメイン係止部１７、及び、サブ係止部１８が、被挿入部４５のメイン被係止部４７、及び、サブ被係止部４８に係止されるようになっている。また、この状態において、各長辺側挿入部１２の保護部１９は、各被挿入部４５の外壁部５０（板状部５１）と、縦壁部４２（位置決め調整部５４）との間に挟まれるような格好で支持される。これにより、長辺側側壁部３は自立可能となっている。 In the assembly work of the container 1, first, the long side side wall portion 3 is assembled until the lower side portion of the long side side base portion 11 of the long side side wall portion 3 and the receiving flange portion 43 of the bottom wall constituent portion 2 come into contact with each other. The long side insertion portion 12 is inserted into the corresponding inserted portion 45 of the bottom wall constituent portion 2. As a result, the main locking portion 17 and the sub-locking portion 18 of the long side insertion portion 12 are locked to the main locked portion 47 and the sub-locked portion 48 of the inserted portion 45. It has become like. Further, in this state, the protective portion 19 of each long side insertion portion 12 is between the outer wall portion 50 (plate-shaped portion 51) of each inserted portion 45 and the vertical wall portion 42 (positioning adjustment portion 54). It is supported by the appearance of being pinched. As a result, the long side side wall portion 3 can stand on its own.

その後、長辺側側壁部３の係合突部１３を係合凹部３４に挿入させるようにして、短辺側側壁部４を長辺側側壁部３と係合させつつ、短辺側挿入部３３を被挿入部４５に挿入する。そして、短辺側ベース部３１の下辺部と、底壁構成部２の受フランジ部４３とが当接するまで、短辺側挿入部３３を被挿入部４５に挿入させることで、短辺側挿入部３３のメイン係止部１７、及び、サブ係止部１８が、被挿入部４５のメイン被係止部４７、及び、サブ被係止部４８に係止される。以上のようにして、容器１が組立てられるようになっている。 After that, the engaging protrusion 13 of the long side side wall portion 3 is inserted into the engaging recess 34, and the short side side wall portion 4 is engaged with the long side side side wall portion 3 while the short side side insertion portion is inserted. 33 is inserted into the inserted portion 45. Then, the short side insertion portion 33 is inserted into the inserted portion 45 until the lower side portion of the short side base portion 31 and the receiving flange portion 43 of the bottom wall constituent portion 2 come into contact with each other, thereby inserting the short side side. The main locking portion 17 and the sub-locking portion 18 of the portion 33 are locked to the main locked portion 47 and the sub-locked portion 48 of the inserted portion 45. As described above, the container 1 can be assembled.

さて、図５、図１１等に示すように、本実施形態の長辺側側壁部３は、長辺側挿入部１２として、第１挿入部６１と、第１挿入部６１よりも長辺側ベース部１１からの突出長の長い第２挿入部６４とを備えている。本実施形態では、４つの長辺側挿入部１２のうち、長辺側側壁部３の両側部に設けられた一対の長辺側挿入部１２（端部挿入部）が第１挿入部６１として構成され、その間に設けられた２つの長辺側挿入部１２が第２挿入部６４として構成されている。 By the way, as shown in FIGS. 5, 11 and the like, the long side side wall portion 3 of the present embodiment serves as the long side side insertion portion 12 and is the first insertion portion 61 and the long side side of the first insertion portion 61. It includes a second insertion portion 64 having a long protrusion length from the base portion 11. In the present embodiment, of the four long side insertion portions 12, a pair of long side insertion portions 12 (end insertion portions) provided on both side portions of the long side side wall portion 3 serve as the first insertion portion 61. Two long-side insertion portions 12 provided between them are configured as a second insertion portion 64.

また、本実施形態では、第１挿入部６１、及び、第２挿入部６４は、基本的に同様の構成を具備しているが、第２挿入部６４の保護部１９の柱部２０が、第１挿入部６１の保護部１９の柱部２０よりも長く構成されている。このため、長辺側側壁部３を底壁構成部２に取付ける際に、第２挿入部６４（保護部１９）の先端部が対応する被挿入部４５（挿入口４６）に挿入された後に、第１挿入部６１（保護部１９）の先端部が対応する被挿入部４５（挿入口４６）に挿入されるようになっている。 Further, in the present embodiment, the first insertion portion 61 and the second insertion portion 64 have basically the same configuration, but the pillar portion 20 of the protection portion 19 of the second insertion portion 64 has a structure. It is configured to be longer than the pillar portion 20 of the protection portion 19 of the first insertion portion 61. Therefore, when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, after the tip portion of the second insertion portion 64 (protection portion 19) is inserted into the corresponding inserted portion 45 (insertion port 46). , The tip of the first insertion portion 61 (protection portion 19) is inserted into the corresponding inserted portion 45 (insertion port 46).

その他、第１挿入部６１と、第２挿入部６４との間で、保護部１９の横架部２１の上下幅と、弾性片１６の長さと、サブ係止部１８の上下幅とが若干異なるものの、基本的に同様の形状を成している。特に、本実施形態では、第１挿入部６１のメイン係止部１７と、第２挿入部６４のメイン係止部１７とは、同じ形状であり、かつ、同じ高さ位置に設けられている。 In addition, between the first insertion portion 61 and the second insertion portion 64, the vertical width of the horizontal portion 21 of the protective portion 19, the length of the elastic piece 16, and the vertical width of the sub-locking portion 18 are slightly different. Although different, they basically have the same shape. In particular, in the present embodiment, the main locking portion 17 of the first insertion portion 61 and the main locking portion 17 of the second insertion portion 64 have the same shape and are provided at the same height position. ..

より具体的に、本実施形態では、図８、図１０に示すように、第１挿入部６１、及び、第２挿入部６４を被挿入部４５に挿入する際に、メイン係止部１７の傾斜部１７ｂにおいて、挿入口４６の一部を画定する外壁部５０の上辺部（内面と上面との境界部）と当接するように構成されている。そして、第１挿入部６１のメイン係止部１７（以下、「第１係止部６２」とも称する）の傾斜部１７ｂのうち外壁部５０の上辺部と当接する部位（以下、「第１当接部６３」とも称する）の高さ位置と、第２挿入部６４のメイン係止部１７（以下、「第２係止部６５」とも称する）の傾斜部１７ｂのうち外壁部５０の上辺部と当接する部位（以下、「第２当接部６６」とも称する）の高さ位置とが同じとなるように構成されている。尚、第１挿入部６１が挿入される被挿入部４５の外壁部５０の上辺部（内面と上面との境界部）を「第１被当接部６７」と称し、第２挿入部６４が挿入される被挿入部４５の外壁部５０の上辺部（内面と上面との境界部）を「第２被当接部６８」と称する。 More specifically, in the present embodiment, as shown in FIGS. 8 and 10, when the first insertion portion 61 and the second insertion portion 64 are inserted into the inserted portion 45, the main locking portion 17 is used. The inclined portion 17b is configured to come into contact with the upper side portion (the boundary portion between the inner surface and the upper surface) of the outer wall portion 50 that defines a part of the insertion port 46. Then, a portion of the inclined portion 17b of the main locking portion 17 of the first insertion portion 61 (hereinafter, also referred to as “first locking portion 62”) that comes into contact with the upper side portion of the outer wall portion 50 (hereinafter, “first The height position of the tangent portion 63) and the upper side portion of the outer wall portion 50 of the inclined portion 17b of the main locking portion 17 (hereinafter, also referred to as the “second locking portion 65”) of the second insertion portion 64. It is configured so that the height position of the portion (hereinafter, also referred to as “second contact portion 66”) that comes into contact with the vehicle is the same. The upper side portion (boundary portion between the inner surface and the upper surface) of the outer wall portion 50 of the inserted portion 45 into which the first insertion portion 61 is inserted is referred to as a "first contacted portion 67", and the second insertion portion 64 is The upper side portion (boundary portion between the inner surface and the upper surface) of the outer wall portion 50 of the inserted portion 45 to be inserted is referred to as a "second contacted portion 68".

以上のような構成により、長辺側側壁部３を底壁構成部２に取付ける際に、図５に示すように、長辺側側壁部３と、底壁構成部２の対応する長側辺部とを上下に（離間した状態で）平行に配置した場合には、第１挿入部６１（保護部１９）の下端部と、対応する被挿入部４５の挿入口４６との間の距離が、第２挿入部６４（保護部１９）の下端部と、対応する被挿入部４５の挿入口４６との間の距離よりも長くなる（図５では、挿入口４６が図示されないが、挿入口４６は、受フランジ部４３と同じ高さ位置に存在する）。その一方で、図５、図８、図１０に示すように、第１挿入部６１の第１当接部６３（第１係止部６２の傾斜部１７ｂ）と、第１被当接部６７（対応する被挿入部４５の挿入口４６）との間の距離と、第２当接部６６（第２係止部６５の傾斜部１７ｂ）と、第２被当接部６８（対応する被挿入部４５の挿入口４６）との間の距離とが同じとなる。尚、本実施形態では、被挿入部４５の挿入口４６の高さ位置と、第１被当接部６７の高さ位置と、第２被当接部６８の高さ位置とが同じとなっている。 With the above configuration, when the long side side wall portion 3 is attached to the bottom wall component portion 2, as shown in FIG. 5, the long side side wall portion 3 and the corresponding long side side of the bottom wall component portion 2 are attached. When the portions are arranged vertically (in a separated state) in parallel, the distance between the lower end portion of the first insertion portion 61 (protection portion 19) and the insertion port 46 of the corresponding inserted portion 45 is , The distance between the lower end of the second insertion portion 64 (protection portion 19) and the insertion opening 46 of the corresponding inserted portion 45 is longer than the distance (in FIG. 5, the insertion opening 46 is not shown, but the insertion opening). 46 exists at the same height position as the receiving flange portion 43). On the other hand, as shown in FIGS. 5, 8 and 10, the first contact portion 63 of the first insertion portion 61 (the inclined portion 17b of the first locking portion 62) and the first contacted portion 67. The distance between (the insertion port 46 of the corresponding inserted portion 45), the second contact portion 66 (the inclined portion 17b of the second locking portion 65), and the second contact portion 68 (corresponding subject). The distance between the insertion portion 45 and the insertion port 46) is the same. In the present embodiment, the height position of the insertion port 46 of the inserted portion 45, the height position of the first contacted portion 67, and the height position of the second contacted portion 68 are the same. ing.

また、第１挿入部６１のメイン係止部１７（第１係止部６２）のメイン係止面１７ａと、第２挿入部６４のメイン係止部１７（第２係止部６５）のメイン係止面１７ａとが同じ高さ位置となっている。加えて、サブ係止部１８のサブ係止面１８ａの高さ位置についても、第１挿入部６１と、第２挿入部６４とで同じである。尚、図１１等に示すように、長辺側側壁部３の長辺側ベース部１１のうち長辺側挿入部１２と連結される下辺部は、長辺側側壁部３の長手方向に延びるリブ状に構成され、当該下辺部のうち第２挿入部６４が設けられた部位の反対面側には、当該下辺部と、長辺側ベース部１１の外面との間を連結する略三角形状の補助リブ２４が設けられている。また、図１４等に示すように、短辺側側壁部４に設けられた２つの短辺側挿入部３３については、どちらも第１挿入部６１と同じ形状をなしている。 Further, the main locking surface 17a of the main locking portion 17 (first locking portion 62) of the first insertion portion 61 and the main locking portion 17 (second locking portion 65) of the second insertion portion 64. The locking surface 17a is at the same height position. In addition, the height position of the sub-locking surface 18a of the sub-locking portion 18 is the same for the first insertion portion 61 and the second insertion portion 64. As shown in FIG. 11 and the like, the lower side portion of the long side side wall portion 3 of the long side side wall portion 3 connected to the long side side insertion portion 12 extends in the longitudinal direction of the long side side side wall portion 3. It is formed in a rib shape, and on the opposite surface side of the portion of the lower side portion where the second insertion portion 64 is provided, a substantially triangular shape connecting the lower side portion and the outer surface of the long side base portion 11 is formed. Auxiliary rib 24 is provided. Further, as shown in FIG. 14 and the like, the two short side insertion portions 33 provided on the short side side wall portion 4 both have the same shape as the first insertion portion 61.

図５、図１８等に示すように、底壁構成部２の下フランジ部４４は、少なくとも第２挿入部６４が挿入される被挿入部４５が設けられた範囲において、底壁部４１を外方に延長させるようにして設けられた底フランジ部６９と、底壁構成部２の長側辺部の両端部、及び、短側辺部に対応して、底フランジ部６９よりも上方位置において水平に延びる退避フランジ部７０と、底フランジ部６９と、退避フランジ部７０との端部間を斜めに連結する連結部７１とを備えている。当該構成により、退避フランジ部７０及び連結部７１の下面と、縦壁部４２の外面との間に凹部（以下、「段積み凹部７２」と称する）が設けられている。加えて、長辺側側壁部３の第１挿入部６１が挿入される被挿入部４５が設けられた範囲の下フランジ部４４は、退避フランジ部７０となっている。 As shown in FIGS. 5 and 18, the lower flange portion 44 of the bottom wall constituent portion 2 is outside the bottom wall portion 41 at least in the range in which the inserted portion 45 into which the second insertion portion 64 is inserted is provided. At a position above the bottom flange portion 69, corresponding to the bottom flange portion 69 provided so as to extend in the direction, both ends of the long side portion of the bottom wall constituent portion 2, and the short side side portion. A retractable flange portion 70 extending horizontally, a bottom flange portion 69, and a connecting portion 71 that obliquely connects the ends of the retractable flange portion 70 are provided. With this configuration, a recess (hereinafter, referred to as "stacking recess 72") is provided between the lower surface of the retractable flange portion 70 and the connecting portion 71 and the outer surface of the vertical wall portion 42. In addition, the lower flange portion 44 in the range where the inserted portion 45 into which the first insertion portion 61 of the long side side wall portion 3 is inserted is provided is the evacuation flange portion 70.

また、段積み凹部７２（退避フランジ部７０、及び、連結部７１）の形成範囲は、短辺側側壁部４（短辺側ベース部３１、及び、連結壁部３２）の上面、及び、長辺側側壁部３の長辺側凸部１４が延在する範囲と対応しており、図１９に示すように、組立状態にある容器１同士を上下に積み重ねる（段積みする）場合に、下側の容器１の短辺側側壁部４の上部、及び、長辺側凸部１４が、上側の容器１の段積み凹部７２に挿入されるようになっている。これにより、上側の容器１の下フランジ部４４が、下側の容器１の側壁部３、４の上面に当接して支持される（図２１参照）とともに、図２０、図２１に示すように、上側の容器１の底壁構成部２のうち段積み凹部７２が形成された範囲の部位が、下側の容器１の側壁部３、４の内側に挿入されることとなる。本実施形態では、短辺側側壁部４（短辺側ベース部３１、及び、連結壁部３２）の上部、及び、長辺側側壁部３の長辺側凸部１４により、段積み凸部が構成されている。 Further, the formation range of the stacking recess 72 (retracting flange portion 70 and connecting portion 71) is the upper surface and the length of the short side side wall portion 4 (short side side base portion 31 and connecting wall portion 32). Corresponds to the range in which the long side convex portion 14 of the side side wall portion 3 extends, and as shown in FIG. 19, when the containers 1 in the assembled state are stacked vertically (stacked), the bottom The upper portion of the short side side wall portion 4 of the side container 1 and the long side side convex portion 14 are inserted into the stacking recess 72 of the upper container 1. As a result, the lower flange portion 44 of the upper container 1 abuts and is supported by the upper surfaces of the side wall portions 3 and 4 of the lower container 1 (see FIG. 21), and as shown in FIGS. 20 and 21. The portion of the bottom wall constituent portion 2 of the upper container 1 in which the stacking recess 72 is formed is inserted inside the side wall portions 3 and 4 of the lower container 1. In the present embodiment, the upper portion of the short side side wall portion 4 (short side side base portion 31 and the connecting wall portion 32) and the long side convex portion 14 of the long side side wall portion 3 form a stacked convex portion. Is configured.

尚、底壁構成部２に立設された側壁部３、４は、略鉛直方向に延びており、底壁構成部２の縦壁部４２を上方に延長させるようにして設けられた周状突条部５５の内面の上縁部と、側壁部３、４の内面とは、略面一とされている。このため、容器１の段積み時に、上側の容器１の段積み凹部７２における縦壁部４２と、下側の容器１の側壁部３、４とが干渉しないように、図２、図２０、図２１に示すように、側壁部３、４の内面のうち上部（内側に上側の容器１の底壁構成部２が挿入される部位）は、縦壁部４２の厚み程度、容器１の外周側に変位させられた位置に設けられている。 The side wall portions 3 and 4 erected on the bottom wall constituent portion 2 extend in a substantially vertical direction, and are provided so as to extend the vertical wall portion 42 of the bottom wall constituent portion 2 upward. The upper edge portion of the inner surface of the ridge portion 55 and the inner surface of the side wall portions 3 and 4 are substantially flush with each other. Therefore, when stacking the containers 1, FIGS. 2, 20 and 20 so that the vertical wall portion 42 in the stacking recess 72 of the upper container 1 and the side wall portions 3 and 4 of the lower container 1 do not interfere with each other. As shown in FIG. 21, the upper portion of the inner surfaces of the side wall portions 3 and 4 (the portion where the bottom wall constituent portion 2 of the upper container 1 is inserted inside) is about the thickness of the vertical wall portion 42 and the outer circumference of the container 1. It is provided at a position displaced to the side.

また、図５等に示すように、底壁構成部２の底壁部４１のうち長手方向両端部（短側辺部）は、底壁構成部２の外周側に向けて若干上方傾斜して延びている（テーパ状とされ、接地しない）。このため、例えば、容器１をローラコンベアに載せて搬送する場合に、容器１の長手方向を搬送方向と合わせることで、底壁構成部２と、ローラコンベアのローラとの干渉が抑制され、容器１のスムースな搬送が可能となる。 Further, as shown in FIG. 5 and the like, of the bottom wall portion 41 of the bottom wall constituent portion 2, both end portions (short side portions) in the longitudinal direction are slightly inclined upward toward the outer peripheral side of the bottom wall constituent portion 2. It is extended (tapered and does not touch the ground). Therefore, for example, when the container 1 is placed on the roller conveyor and transported, by aligning the longitudinal direction of the container 1 with the transport direction, the interference between the bottom wall component 2 and the rollers of the roller conveyor is suppressed, and the container 1 can be smoothly transported.

以上詳述したように、本実施形態によれば、長辺側側壁部３は、その下辺部において、下方への突出長の異なる第１挿入部６１、及び、第２挿入部６４を備えており、長辺側側壁部３を底壁構成部２に取付ける場合に、先ず、第２挿入部６４の先端（下端）が対応する被挿入部４５に挿入され、その後、第１挿入部６１の先端が対応する被挿入部４５に挿入されることとなる。このため、長辺側側壁部３の複数の長辺側挿入部１２（本例では４つ）を、底壁構成部２の複数の被挿入部４５に挿入させる作業に際して、複数の長辺側挿入部１２のうち被挿入部４５に対して最初に挿入させる長辺側挿入部１２が第２挿入部６４に限定され、被挿入部４５に対して最初に、（ほぼ）同時に挿入させる長辺側挿入部１２の数を低減させることができる。従って、長辺側側壁部３に設けられた長辺側挿入部１２の数が多く、当該長辺側側壁部３を底壁構成部２に取付ける際に、その全ての長辺側挿入部１２を、対応する被挿入部４５と位置合わせし、（ほぼ）同時に挿入させるといった構成に比べ、作業性の向上を図ることができる。特に、第２挿入部６４は第１挿入部６１よりも下方に突出していることから、長辺側側壁部３の底壁構成部２への取付作業に際し、第２挿入部６４を対応する被挿入部４５に位置合わせすればよいことを認識し易くするとともに、位置合わせして挿入する作業を比較的容易に行うことができる。さらに、第２挿入部６４の先端が被挿入部４５に挿入された後は、第２挿入部６４をそのまま被挿入部４５の奥へと挿入させることで、第１挿入部６１と、対応する被挿入部４５との位置関係を余り意識しなくても、スムースに第１挿入部６１を対応する被挿入部４５に挿入させることができる。結果として、容器１の組立作業性の向上等を図ることができる。 As described in detail above, according to the present embodiment, the long side side wall portion 3 includes a first insertion portion 61 and a second insertion portion 64 having different downward protrusion lengths at the lower side portion thereof. When the long side side wall portion 3 is attached to the bottom wall constituent portion 2, the tip (lower end) of the second insertion portion 64 is first inserted into the corresponding inserted portion 45, and then the first insertion portion 61 of the first insertion portion 61. The tip will be inserted into the corresponding inserted portion 45. Therefore, when inserting the plurality of long side insertion portions 12 (four in this example) of the long side side wall portion 3 into the plurality of inserted portions 45 of the bottom wall constituent portion 2, the plurality of long side sides Of the insertion portions 12, the long side insertion portion 12 to be inserted first into the inserted portion 45 is limited to the second insertion portion 64, and the long side to be inserted into the inserted portion 45 first (almost) at the same time. The number of side insertion portions 12 can be reduced. Therefore, the number of long side insertion portions 12 provided on the long side side wall portion 3 is large, and when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, all the long side side insertion portions 12 are provided. Is aligned with the corresponding inserted portion 45 and is inserted (almost) at the same time, so that workability can be improved. In particular, since the second insertion portion 64 projects downward from the first insertion portion 61, the second insertion portion 64 is covered when the long side side wall portion 3 is attached to the bottom wall constituent portion 2. It is easy to recognize that the insertion portion 45 should be aligned with the insertion portion 45, and the operation of aligning and inserting the insertion portion can be performed relatively easily. Further, after the tip of the second insertion portion 64 is inserted into the inserted portion 45, the second insertion portion 64 is inserted directly into the depth of the inserted portion 45 to correspond to the first insertion portion 61. The first insertion portion 61 can be smoothly inserted into the corresponding inserted portion 45 without paying much attention to the positional relationship with the inserted portion 45. As a result, the assembling workability of the container 1 can be improved.

また、長辺側側壁部３を底壁構成部２に取付ける際に、第１挿入部６１、及び、第２挿入部６４の第１係止部６２、及び、第２係止部６５が、第１当接部６３、及び、第２当接部６６において、底壁構成部２の第１被当接部６７、及び、第２被当接部６８と当接することとなる（第１係止部６２、及び、第２係止部６５が、第１被当接部６７、及び、第２被当接部６８を乗り越えて、メイン被係止部４７に係止される格好となる）。本実施形態では、長辺側側壁部３を、底壁構成部２の対応する長側辺部の上方において平行に配置した場合、第１当接部６３と第１被当接部６７との間の距離と、第２当接部６６と第２被当接部６８との間の距離とが同じとなるように構成されている。このため、長辺側側壁部３を、底壁構成部２の対応する長側辺部の上方において平行に配置し、そのまま下降させて長辺側挿入部１２を被挿入部４５に挿入させることで、第１当接部６３と、第１被当接部６７とが当接するタイミングと、第２当接部６６と、第２被当接部６８とが当接するタイミングとを一致させることができる。従って、長辺側側壁部３を底壁構成部２に取付ける際に、長辺側側壁部３と底壁構成部２との間のファーストコンタクトとしてメイン係止部１７が底壁構成部２から受ける応力を、長辺側側壁部３に設けられた全ての第１係止部６２、及び、第２係止部６５に分散させることができる。結果として、長辺側側壁部３を底壁構成部２に取付ける作業に際してのメイン係止部１７（第１係止部６２、及び、第２係止部６５）等の損傷リスクを低減させることができる。 Further, when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, the first insertion portion 61, the first locking portion 62 of the second insertion portion 64, and the second locking portion 65 are subjected to. The first contact portion 63 and the second contact portion 66 come into contact with the first contact portion 67 and the second contact portion 68 of the bottom wall constituent portion 2 (first section). The stop portion 62 and the second locking portion 65 get over the first contacted portion 67 and the second contacted portion 68 and are locked to the main locked portion 47). .. In the present embodiment, when the long side side wall portion 3 is arranged in parallel above the corresponding long side side portion of the bottom wall constituent portion 2, the first contact portion 63 and the first contacted portion 67 are arranged. The distance between them is the same as the distance between the second contact portion 66 and the second contact portion 68. Therefore, the long side side wall portion 3 is arranged in parallel above the corresponding long side side portion of the bottom wall constituent portion 2, and is lowered as it is to insert the long side side insertion portion 12 into the inserted portion 45. Therefore, the timing at which the first contacted portion 63 and the first contacted portion 67 come into contact with each other and the timing at which the second contacted portion 66 and the second contacted portion 68 come into contact with each other can be matched. it can. Therefore, when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, the main locking portion 17 is provided from the bottom wall constituent portion 2 as the first contact between the long side side wall portion 3 and the bottom wall constituent portion 2. The stress received can be distributed to all the first locking portions 62 and the second locking portions 65 provided on the long side side wall portion 3. As a result, the risk of damage to the main locking portion 17 (first locking portion 62 and second locking portion 65) and the like during the work of attaching the long side side wall portion 3 to the bottom wall constituent portion 2 is reduced. Can be done.

加えて、複数の被挿入部４５の挿入口４６の高さ位置はいずれも同じとなるよう構成されている。このため、底壁構成部２のうち挿入口４６が形成される面、すなわち、側壁部３、４の下辺部との当接面を平坦面とすることができる。従って、例えば、底壁構成部２のうち挿入口４６の形成面が凸凹する場合に比べ、底壁構成部２と、側壁部３、４との間に隙間が形成されるといった事態を飛躍的に低減させることができる。 In addition, the height positions of the insertion ports 46 of the plurality of inserted portions 45 are all the same. Therefore, the surface of the bottom wall constituent portion 2 on which the insertion port 46 is formed, that is, the contact surface with the lower side portions of the side wall portions 3 and 4, can be made a flat surface. Therefore, for example, a situation in which a gap is formed between the bottom wall constituent portion 2 and the side wall portions 3 and 4 is dramatically compared with the case where the forming surface of the insertion port 46 of the bottom wall constituent portion 2 is uneven. Can be reduced to.

また、第１挿入部６１の第１係止部６２の第１当接部６３（傾斜部１７ｂ）の高さ位置と、第２挿入部６４の第２係止部６５の第２当接部６６（傾斜部１７ｂ）の高さ位置とが同じであり、第１被当接部６７（挿入口４６の開口縁であって、外壁部５０の上面と内面との境界部）の高さ位置と、第２被当接部６８（挿入口４６の開口縁であって、外壁部５０の上面と内面との境界部）の高さ位置とが同じとなるように構成されている。このように、第１被当接部６７、及び、第２被当接部６８の高さ位置を揃えることで、底壁構成部２の形状の複雑化を抑制することができる。さらに、第１当接部６３、及び、第２当接部６６の高さ位置、ひいては、第１挿入部６１の弾性片１６の付根部、及び、第２挿入部６４の弾性片１６の付根部から、第１当接部６３、及び、第２当接部６６までの間の長さを揃えることができる。従って、例えば、第１挿入部６１、及び、第２挿入部６４の弾性片１６の第１当接部６３、及び、第２当接部６６までの長さが異なることに起因して、各弾性片１６の変形し易さ等に差異が生じ、長辺側側壁部３を底壁構成部２に取付ける際に、各第１係止部６２、及び、第２係止部６５が底壁構成部２から受ける応力を、長辺側側壁部３に設けられた全ての第１係止部６２、及び、第２係止部６５に（ほぼ均等に）分散させるといった作用効果が薄れてしまうといった事態を回避することができる。 Further, the height position of the first contact portion 63 (inclined portion 17b) of the first locking portion 62 of the first insertion portion 61 and the second contact portion of the second locking portion 65 of the second insertion portion 64. The height position of 66 (inclined portion 17b) is the same, and the height position of the first contacted portion 67 (the opening edge of the insertion port 46 and the boundary between the upper surface and the inner surface of the outer wall portion 50). And the height position of the second contacted portion 68 (the opening edge of the insertion port 46 and the boundary portion between the upper surface and the inner surface of the outer wall portion 50) are configured to be the same. By aligning the height positions of the first contacted portion 67 and the second contacted portion 68 in this way, it is possible to suppress the complication of the shape of the bottom wall constituent portion 2. Further, the height position of the first contact portion 63 and the second contact portion 66, and by extension, the root portion of the elastic piece 16 of the first insertion portion 61 and the elastic piece 16 of the second insertion portion 64 are attached. The length from the root portion to the first contact portion 63 and the second contact portion 66 can be made uniform. Therefore, for example, the lengths of the elastic piece 16 of the first insertion portion 61 and the second insertion portion 64 to the first contact portion 63 and the second contact portion 66 are different. There is a difference in the deformability of the elastic piece 16, and when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, each of the first locking portion 62 and the second locking portion 65 is the bottom wall. The effect of distributing the stress received from the component 2 to all the first locking portions 62 and the second locking portions 65 provided on the long side side wall portion 3 (almost evenly) is diminished. Such a situation can be avoided.

また、長辺側挿入部１２、及び、短辺側挿入部３３は、弾性係止片１５と、弾性係止片１５を囲むようにして設けられた保護部１９とを備えており、保護部１９により、弾性係止片１５の保護を図るとともに、長辺側挿入部１２、及び、短辺側挿入部３３を被挿入部４５に挿入する作業に際しての底壁構成部２に対する側壁部３、４の位置決めをより確実、かつ、スムースに行うことができる。さらに、第１当接部６３、及び、第２当接部６６が傾斜部１７ｂにおいて設けられているため、第１当接部６３、及び、第２当接部６６が第１被当接部６７、及び、第２被当接部６８と当接した後、弾性片１６を比較的スムースに弾性変形させることができ、第１係止部６２及び第２係止部６５（メイン係止部１７）が第１被当接部６７、及び、第２被当接部６８を相対的に乗り越えられるように、第１係止部６２及び第２係止部６５を比較的スムースに変位させることができる。 Further, the long side insertion portion 12 and the short side insertion portion 33 include an elastic locking piece 15 and a protective portion 19 provided so as to surround the elastic locking piece 15, and the protective portion 19 provides the protective portion 19. In addition to protecting the elastic locking piece 15, the side wall portions 3 and 4 with respect to the bottom wall constituent portion 2 during the work of inserting the long side side insertion portion 12 and the short side side insertion portion 33 into the inserted portion 45. Positioning can be performed more reliably and smoothly. Further, since the first contact portion 63 and the second contact portion 66 are provided at the inclined portion 17b, the first contact portion 63 and the second contact portion 66 are the first contacted portions. After abutting with 67 and the second contacted portion 68, the elastic piece 16 can be elastically deformed relatively smoothly, and the first locking portion 62 and the second locking portion 65 (main locking portion). Displace the first locking portion 62 and the second locking portion 65 relatively smoothly so that the 17) can relatively overcome the first contacted portion 67 and the second contacted portion 68. Can be done.

また、被挿入部４５を構成する横壁部４９、及び、外壁部５０により、受フランジ部４３と、下フランジ部４４と、縦壁部４２との間を連結されている。このため、受フランジ部４３、下フランジ部４４、及び、被挿入部４５の剛性を相乗的に高めることができる。従って、受フランジ部４３、下フランジ部４４、及び、被挿入部４５の変形、及び、損傷を抑止することができる。特に、下フランジ部４４のうち、底壁部４１を外方に延長させるようにして設けられた底フランジ部６９は、容器１が床面等の設置面に設置された場合に、底壁部４１とともに設置面に接地することとなる。このため、受フランジ部４３が、長辺側側壁部３から加重を受けた場合に、設置面に支持される底フランジ部６９と、第２挿入部６４が挿入される被挿入部４５の横壁部４９及び外壁部５０とが協働して、受フランジ部４３をより確実に支持する（受フランジ部４３の変形等を防止する）ことができる。その一方で、底フランジ部６９が設置面からの加重を受けた場合には、第２挿入部６４が挿入される被挿入部４５の横壁部４９及び外壁部５０、及び、受フランジ部４３が協働して、底フランジ部６９の変形等を防止することができる。 Further, the lateral wall portion 49 and the outer wall portion 50 constituting the inserted portion 45 are connected between the receiving flange portion 43, the lower flange portion 44, and the vertical wall portion 42. Therefore, the rigidity of the receiving flange portion 43, the lower flange portion 44, and the inserted portion 45 can be synergistically increased. Therefore, deformation and damage of the receiving flange portion 43, the lower flange portion 44, and the inserted portion 45 can be suppressed. In particular, among the lower flange portions 44, the bottom flange portion 69 provided so as to extend the bottom wall portion 41 outward is the bottom wall portion when the container 1 is installed on an installation surface such as a floor surface. Together with 41, it will be grounded to the installation surface. Therefore, when the receiving flange portion 43 receives a load from the long side side wall portion 3, the bottom flange portion 69 supported by the installation surface and the lateral wall of the inserted portion 45 into which the second insertion portion 64 is inserted. The portion 49 and the outer wall portion 50 can cooperate with each other to more reliably support the receiving flange portion 43 (prevent deformation of the receiving flange portion 43, etc.). On the other hand, when the bottom flange portion 69 receives a load from the installation surface, the side wall portion 49 and the outer wall portion 50 of the inserted portion 45 into which the second insertion portion 64 is inserted, and the receiving flange portion 43 In cooperation with each other, it is possible to prevent deformation of the bottom flange portion 69 and the like.

また、例えば、横壁部４９、及び、外壁部５０を、受フランジ部４３と、下フランジ部４４との間を連結するようにして設ける構成を省略する代わりに、同等の強度アップを図ることのできる補強用のリブを別途設ける場合に比べ、底壁構成部２の外周面側の構成の簡素化を図ることができる。さらに、底壁構成部２の外周面（縦壁部４２の外面）に対し、所定の情報を有する情報部（印刷面、カードホルダ設置部等）を設けるスペースを確保し易くすることができる。尚、底フランジ部６９が設けられることにより、容器１の接地面積を増やすことができ、設置状態の安定化を図ることができる。特に、長辺側側壁部３に下向きの力が作用した場合に、容器１が傾いてしまうといった事態をより確実に防止することができる。 Further, for example, instead of omitting the configuration in which the lateral wall portion 49 and the outer wall portion 50 are provided so as to be connected between the receiving flange portion 43 and the lower flange portion 44, the same strength can be increased. Compared with the case where the reinforcing ribs that can be provided are separately provided, the configuration of the bottom wall component 2 on the outer peripheral surface side can be simplified. Further, it is possible to easily secure a space for providing an information unit (printing surface, card holder installation portion, etc.) having predetermined information on the outer peripheral surface (outer surface of the vertical wall portion 42) of the bottom wall constituent portion 2. By providing the bottom flange portion 69, the ground contact area of the container 1 can be increased, and the installation state can be stabilized. In particular, it is possible to more reliably prevent a situation in which the container 1 is tilted when a downward force acts on the side wall portion 3 on the long side.

加えて、底壁構成部２の下面側において、長側辺部の両端部、及び、短側辺部に対応して、段積み凹部７２が設けられ、容器１を段積みした場合に、上側の容器１の段積み凹部７２に対し、下側の容器１の短辺側側壁部４（短辺側ベース部３１及び連結壁部３２）の上部、及び、長辺側凸部１４が挿入されるようになっている。これにより、上側の容器１の底壁構成部２のうち段積み凹部７２が形成された範囲の部位を、下側の容器１の側壁部３、４の内側に挿入させるとともに、上側の容器１の下フランジ部４４を、下側の容器１の側壁部３、４の上面で確実に支持させることができる。従って、容器１を安定して段積みすることができ、運搬・保管効率の向上を図ることができる。 In addition, on the lower surface side of the bottom wall component 2, stacking recesses 72 are provided corresponding to both ends of the long side side portion and the short side side portion, and when the container 1 is stacked, the upper side is provided. The upper part of the short side side wall portion 4 (short side side base portion 31 and the connecting wall portion 32) of the lower container 1 and the long side side convex portion 14 are inserted into the stacking recess 72 of the container 1. It has become so. As a result, the portion of the bottom wall constituent portion 2 of the upper container 1 in which the stacking recess 72 is formed is inserted inside the side wall portions 3 and 4 of the lower container 1, and the upper container 1 is inserted. The lower flange portion 44 can be reliably supported by the upper surfaces of the side wall portions 3 and 4 of the lower container 1. Therefore, the containers 1 can be stably stacked, and the transportation / storage efficiency can be improved.

また、長辺側側壁部３の両端部に設けられる長辺側挿入部１２は第１挿入部６１であるため、底壁構成部２の高さが低い場合であっても、底壁構成部２の長側辺部の両端部に対応して、第１挿入部６１を挿入する被挿入部４５の下方位置に、段積み凹部７２を形成することができる。さらに、長辺側側壁部３の横幅方向中央部に長辺側凸部１４が設けられる場合に比べ、段積みに関する構成を好適に設けることができる。加えて、底壁部４１の下面の長手方向両端部をテーパ状に構成することも可能となる。 Further, since the long side insertion portions 12 provided at both ends of the long side side wall portion 3 are the first insertion portions 61, even if the height of the bottom wall configuration portion 2 is low, the bottom wall configuration portion A stacking recess 72 can be formed at a position below the inserted portion 45 into which the first insertion portion 61 is inserted, corresponding to both ends of the long side portion of 2. Further, as compared with the case where the long side convex portion 14 is provided at the central portion of the long side side wall portion 3 in the lateral width direction, a configuration related to stacking can be preferably provided. In addition, both ends of the lower surface of the bottom wall portion 41 in the longitudinal direction can be tapered.

さらに、第１挿入部６１が挿入される被挿入部４５の横壁部４９及び外壁部５０が、受フランジ部４３と、退避フランジ部７０との間を連結するようにして設けられることから、受フランジ部４３、退避フランジ部７０、及び、第１挿入部６１が挿入される被挿入部４５の横壁部４９及び外壁部５０の強度を相乗的に高めることができる。従って、容器１を段積みした場合に、段積み凹部７２に対応する部位において、受フランジ部４３、退避フランジ部７０、及び、第１挿入部６１が挿入される被挿入部４５の横壁部４９及び外壁部５０が変形等してしまうといった事態を抑止することができる。 Further, since the side wall portion 49 and the outer wall portion 50 of the inserted portion 45 into which the first insertion portion 61 is inserted are provided so as to connect between the receiving flange portion 43 and the retracting flange portion 70, the receiving flange portion 43 is provided. The strength of the flange portion 43, the retractable flange portion 70, and the lateral wall portion 49 and the outer wall portion 50 of the inserted portion 45 into which the first insertion portion 61 is inserted can be synergistically increased. Therefore, when the containers 1 are stacked, the side wall portion 49 of the inserted portion 45 into which the receiving flange portion 43, the retracting flange portion 70, and the first insertion portion 61 are inserted at the portion corresponding to the stacking recess 72. In addition, it is possible to prevent a situation in which the outer wall portion 50 is deformed or the like.

尚、上記実施形態の記載内容に限定されず、例えば次のように実施してもよい。勿論、以下において例示しない他の応用例、変更例も当然可能である。 The content is not limited to the description of the above embodiment, and may be implemented as follows, for example. Of course, other application examples and modification examples not illustrated below are also possible.

（ａ）上記実施形態では、長辺側側壁部３の長辺側挿入部１２が４つ設けられ、そのうち２つが第２挿入部６４として構成され、短辺側側壁部４の短辺側挿入部３３が２つ設けられ、その２つとも第１挿入部６１と同じ形状及び大きさとして構成されているが、各側壁部３、４に設けられる長辺側挿入部１２、短辺側挿入部３３の数、配置、及び、第２挿入部６４の割合等については特に限定されるものではなく、側壁部３、４の横幅等に応じて適宜設計変更可能である。例えば、長辺側挿入部１２の配置を不均等にして、底壁構成部３の縦壁部４２の外面において、印刷面やカードホルダ設置部等のスペースを確保するように構成してもよい。但し、所定の側壁部３、４に設けられる長辺側挿入部１２及び短辺側挿入部３３の数が２つ以下の場合には、上記実施形態の短辺側側壁部４のように、長辺側挿入部１２及び短辺側挿入部３３の形状及び大きさを統一することとしてもよい。さらに、例えば、短辺側挿入部３３の下方において段積み凹部７２を形成しない場合には、短辺側挿入部３３を第２挿入部６４と同じ形状及び大きさとして構成することも可能である。 (A) In the above embodiment, four long-side insertion portions 12 of the long-side side wall portion 3 are provided, two of which are configured as the second insertion portion 64, and the short-side side side wall portion 4 is inserted on the short-side side. Two portions 33 are provided, both of which are configured to have the same shape and size as the first insertion portion 61, but the long side insertion portion 12 and the short side insertion provided on the side wall portions 3 and 4 are provided. The number and arrangement of the portions 33, the ratio of the second insertion portions 64, and the like are not particularly limited, and the design can be appropriately changed according to the width and the like of the side wall portions 3 and 4. For example, the long side insertion portion 12 may be arranged unevenly so as to secure a space for a printing surface, a card holder installation portion, or the like on the outer surface of the vertical wall portion 42 of the bottom wall constituent portion 3. .. However, when the number of the long side insertion portion 12 and the short side insertion portion 33 provided in the predetermined side wall portions 3 and 4 is two or less, as in the short side side wall portion 4 of the above embodiment, The shapes and sizes of the long side insertion portion 12 and the short side insertion portion 33 may be unified. Further, for example, when the stacking recess 72 is not formed below the short side insertion portion 33, the short side insertion portion 33 can be configured to have the same shape and size as the second insertion portion 64. ..

加えて、上記実施形態では、相対する一対の長辺側側壁部３の長辺側挿入部１２に関し、それぞれ２つの第１挿入部６１、及び、２つの第２挿入部６４が設けられるよう構成されている（相対する一対の長辺側側壁部３が同一の製品である）が、容器１を構成する側壁部３、４のうち少なくとも１つに関して、第１挿入部６１だけでなく、第２挿入部６４をも具備するように構成されていればよい。特に、第１挿入部６１、及び、第２挿入部６４を具備する側壁部は、容器１の組立てに際し、別の側壁部より先に底壁構成部２に取付けられ、底壁構成部２に対して単独で自立状態とさせることのできる側壁部であることとしてもよい。 In addition, in the above embodiment, two first insertion portions 61 and two second insertion portions 64 are provided for each of the long side insertion portions 12 of the pair of long side side wall portions 3 facing each other. (The pair of long side side wall portions 3 facing each other are the same product), but with respect to at least one of the side wall portions 3 and 4 constituting the container 1, not only the first insertion portion 61 but also the first insertion portion 61. It may be configured so as to include two insertion portions 64 as well. In particular, the side wall portion including the first insertion portion 61 and the second insertion portion 64 is attached to the bottom wall constituent portion 2 before the other side wall portion when assembling the container 1, and is attached to the bottom wall constituent portion 2. On the other hand, it may be a side wall portion that can be made to stand on its own.

また、例えば、所定の側壁部３、４に設けられる長辺側挿入部１２及び短辺側挿入部３３の数が５つ以上の場合、そのうち第２挿入部６４の数を２つとすることが望ましい。この場合、当該所定の側壁部３、４を底壁構成部２に取付ける際に、長辺側挿入部１２及び短辺側挿入部３３のうち、底壁構成部２の被挿入部４５に対し最初にほぼ同時に被挿入部４５に挿入させる長辺側挿入部１２及び短辺側挿入部３３の数を極力低減させるとともに、（第２挿入部６４が１つの場合に比べ）第２挿入部６４の先端部を被挿入部４５に挿入した状態の位置決めをより正確に行うことができる。 Further, for example, when the number of the long side insertion portion 12 and the short side insertion portion 33 provided on the predetermined side wall portions 3 and 4 is 5 or more, the number of the second insertion portions 64 may be 2. desirable. In this case, when the predetermined side wall portions 3 and 4 are attached to the bottom wall constituent portion 2, the inserted portion 45 of the bottom wall constituent portion 2 among the long side side insertion portion 12 and the short side side insertion portion 33 The number of long-side insertion portions 12 and short-side insertion portions 33 to be inserted into the inserted portion 45 at almost the same time is reduced as much as possible, and the second insertion portion 64 (compared to the case where the second insertion portion 64 is one). Positioning in a state where the tip portion of the above is inserted into the inserted portion 45 can be performed more accurately.

さらに、上記実施形態では、長辺側側壁部３の両側部に設けられる長辺側挿入部１２を第１挿入部６１として構成しているが、第２挿入部６４としてもよい。但し、底壁構成部２の高さが低い場合であって、段積みの構成を容器１の隅部に設ける場合には、長辺側側壁部３の両端部に設けられる長辺側挿入部１２を第１挿入部６１とすることで、その下方に段積み凹部７２のスペースを確保する。 Further, in the above embodiment, the long side insertion portion 12 provided on both side portions of the long side side wall portion 3 is configured as the first insertion portion 61, but the second insertion portion 64 may be used. However, when the height of the bottom wall component 2 is low and the stacking structure is provided at the corner of the container 1, the long side insertion portions provided at both ends of the long side side wall portion 3 are provided. By using 12 as the first insertion portion 61, a space for the stacking recess 72 is secured below the first insertion portion 61.

（ｂ）上記実施形態では、長辺側側壁部３の長辺側挿入部１２に関し、第１挿入部６１（第１係止部６２）の第１当接部６３の高さ位置と、第２挿入部６４（第２係止部６５）の第２当接部６６の高さ位置とが同じであり、第１挿入部６１、及び、第２挿入部６４がそれぞれ挿入される被挿入部４５の第１被当接部６７の高さ位置と、第２被当接部６８の高さ位置とが同じとなっているが、第１挿入部６１、及び、第２挿入部６４の第１当接部６３、及び、第２当接部６６と、対応する被挿入部４５の第１被当接部６７、及び、第２被当接部６８との相対距離が等しくなっていればよい。例えば、第２当接部６６が第１当接部６３よりも特定距離低い位置となるように構成されるとともに、第２被当接部６８が第１被当接部６７よりも前記特定距離低い位置となるように構成されることとしてもよい。 (B) In the above embodiment, with respect to the long side insertion portion 12 of the long side side wall portion 3, the height position of the first contact portion 63 of the first insertion portion 61 (first locking portion 62) and the first 2 The height position of the second contact portion 66 of the insertion portion 64 (second locking portion 65) is the same, and the first insertion portion 61 and the second insertion portion 64 are inserted respectively. The height position of the first contacted portion 67 of 45 and the height position of the second contacted portion 68 are the same, but the first insertion portion 61 and the second insertion portion 64 are the same. If the relative distances between the 1 contact portion 63 and the second contact portion 66 and the first contact portion 67 and the second contact portion 68 of the corresponding inserted portion 45 are equal. Good. For example, the second contact portion 66 is configured to be at a position lower than the first contact portion 63 by a specific distance, and the second contact portion 68 is at the specific distance than the first contact portion 67. It may be configured to be in a low position.

また、上記実施形態では、第１被当接部６７、及び、第２被当接部６８が、挿入口４６の開口縁により構成されているが、第１被当接部６７、及び、第２被当接部６８が、挿入口４６よりも下方に設けられていることとしてもよい。さらに、上記実施形態では、被挿入部４５の挿入口４６の高さ位置がいずれも同じとなっているが、第１挿入部６１が挿入口４６に挿入されるタイミングと、第２挿入部６４が挿入口４６に挿入されるタイミングとが異なるように構成されていれば、第１挿入部６１が挿入される被挿入部４５の挿入口４６と、第２挿入部６４が挿入される被挿入部４５の挿入口４６とで、高さを異ならせてもよい。 Further, in the above embodiment, the first contacted portion 67 and the second contacted portion 68 are configured by the opening edge of the insertion port 46, but the first contacted portion 67 and the second contacted portion 67 2 The contacted portion 68 may be provided below the insertion port 46. Further, in the above embodiment, the height position of the insertion port 46 of the inserted portion 45 is the same, but the timing at which the first insertion portion 61 is inserted into the insertion opening 46 and the second insertion portion 64 Is configured to be inserted into the insertion slot 46 at a different timing, the insertion slot 46 of the inserted portion 45 into which the first insertion portion 61 is inserted and the inserted portion into which the second insertion portion 64 is inserted. The height may be different from that of the insertion port 46 of the portion 45.

尚、第１挿入部６１及び第２挿入部６４の長辺側ベース部１１との連結部の高さ位置、ひいては、第１挿入部６１及び第２挿入部６４の長さについては特に限定されるものではなく、第２挿入部６４は、被挿入部４５への挿入方向先端部である下端部が、第１挿入部６１よりも下方に位置していればよく、さらに、第１当接部６３及び第２当接部６６と、それぞれに対応する第１被当接部６７及び第２被当接部６８との間の距離が同じとなるように構成されていればよい。 The height position of the connecting portion of the first insertion portion 61 and the second insertion portion 64 with the long side base portion 11, and the lengths of the first insertion portion 61 and the second insertion portion 64 are particularly limited. In the second insertion portion 64, the lower end portion, which is the tip end portion in the insertion direction into the inserted portion 45, may be located below the first insertion portion 61, and further, the first contact The distances between the portion 63 and the second contact portion 66 and the corresponding first contacted portion 67 and the second contacted portion 68 may be the same.

（ｃ）上記実施形態において、弾性係止片１５の形状は特に限定されるものではなく、例えば、底壁構成部２の縦壁部４２の外面において印刷面やカードホルダ設置部等のスペースを確保するべく、弾性係止片１５、ひいては、保護部１９の横幅を狭くしたり、サブ係止部１８を省略したりしてもよい。また、上記実施形態では特に言及していないが、長辺側側壁部３を底壁構成部２に取付ける際に、第１挿入部６１のサブ係止部１８のうち底壁構成部２（サブ被係止部４８のうち被係止面の反対側の面）と最初に当接する部位の高さ位置と、第２挿入部６４のサブ係止部１８のうち底壁構成部２（サブ被係止部４８のうち被係止面の反対側の面）と最初に当接する部位の高さ位置とが同じであり、第１挿入部６１が挿入される被挿入部４５のサブ被係止部４８（被係止面、及び、その反対側の面）の高さ位置と、第２挿入部６４が挿入される被挿入部４５のサブ被係止部４８（被係止面、及び、その反対側の面）の高さ位置とが同じであることとしてもよい。この場合、サブ係止部１８に関しても、メイン係止部１７と同様に、長辺側側壁部３を底壁構成部２に取付ける際に、サブ係止部１８が底壁構成部２から受ける応力を、複数のサブ係止部１８に分散させることができる。結果として、長辺側側壁部３を底壁構成部２に取付ける作業に際してのサブ係止部１８の損傷リスク等を低減させることができる。 (C) In the above embodiment, the shape of the elastic locking piece 15 is not particularly limited, and for example, a space such as a printing surface or a card holder installation portion is provided on the outer surface of the vertical wall portion 42 of the bottom wall constituent portion 2. In order to secure the elastic locking piece 15, the width of the protective portion 19 may be narrowed, or the sub-locking portion 18 may be omitted. Further, although not particularly mentioned in the above embodiment, when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, the bottom wall constituent portion 2 (sub) of the sub-locking portions 18 of the first insertion portion 61 is attached. The height position of the portion of the locked portion 48 opposite to the locked surface) and the bottom wall constituent portion 2 (sub-cover) of the sub-locking portion 18 of the second insertion portion 64. The height position of the portion of the locking portion 48 opposite to the locked surface) and the first contact portion are the same, and the sub-locked portion 45 of the inserted portion 45 into which the first insertion portion 61 is inserted is inserted. The height position of the portion 48 (the locked surface and the surface on the opposite side thereof) and the sub-locked portion 48 (locked surface and the locked surface) of the inserted portion 45 into which the second insertion portion 64 is inserted. The height position of the opposite surface) may be the same. In this case, as for the sub-locking portion 18, the sub-locking portion 18 receives from the bottom wall constituent portion 2 when the long side side wall portion 3 is attached to the bottom wall constituent portion 2, similarly to the main locking portion 17. The stress can be distributed to the plurality of sub-locking portions 18. As a result, it is possible to reduce the risk of damage to the sub-locking portion 18 when the long side side wall portion 3 is attached to the bottom wall constituent portion 2.

（ｄ）また、保護部１９の形状についても特に限定されるものではなく、例えば、弾性係止片１５の一側方、又は、両側方において、弾性片１６の側辺部に沿って上下に延びる柱部２０のみによって保護部１９を構成してもよい。但し、保護部１９の側壁部３、４（長辺側ベース部１１及び短辺側ベース部３１）の下辺部からの突出長は、弾性係止片１５の側壁部３、４の下辺部からの突出長以上であることが望ましい。この場合、弾性係止片１５を保護する作用効果がより確実に奏される。また、弾性係止片１５のうち弾性片１６は、保護部１９の厚みの範囲に設けられ、メイン係止部１７のうち少なくともメイン係止面１７ａの一部、及び、第１当接部６３、並びに、第２当接部６６は、保護部１９の厚みの範囲外に設けられていることが望ましい。この場合、保護部１９で弾性片１６の必要以上の変位、及び、意図しない方向への変位を防止して、弾性片１６の保護を図るとともに、容器１の振動等に起因して、弾性片１６が底壁構成部２に押圧されて変形し、メイン係止部１７と、メイン被係止部４７との係止状態が解除されてしまうといった事態を防止することができる。 (D) Further, the shape of the protective portion 19 is not particularly limited, and for example, on one side or both sides of the elastic locking piece 15, up and down along the side side portion of the elastic piece 16. The protective portion 19 may be formed only by the extending pillar portion 20. However, the protruding length from the lower side portions of the side wall portions 3 and 4 (long side base portion 11 and short side base portion 31) of the protective portion 19 is from the lower side portions of the side wall portions 3 and 4 of the elastic locking piece 15. It is desirable that it is equal to or longer than the protruding length of. In this case, the effect of protecting the elastic locking piece 15 is more reliably achieved. Further, the elastic piece 16 of the elastic locking pieces 15 is provided within the thickness range of the protective portion 19, and at least a part of the main locking surface 17a of the main locking portions 17 and the first contact portion 63. , And it is desirable that the second contact portion 66 is provided outside the thickness range of the protective portion 19. In this case, the protective portion 19 prevents the elastic piece 16 from being displaced more than necessary and in an unintended direction to protect the elastic piece 16, and the elastic piece is caused by vibration of the container 1 or the like. It is possible to prevent a situation in which the 16 is pressed by the bottom wall constituent portion 2 and deformed, and the locked state between the main locking portion 17 and the main locked portion 47 is released.

尚、保護部１９を省略することも可能である。この場合、例えば、第１挿入部６１、及び、第２挿入部６４の弾性片１６の突出長を異ならせることで、長辺側側壁部３の取付作業に際し、第２挿入部６４を第１挿入部６１よりも先に被挿入部４５に挿入されるよう構成してもよい。 It is also possible to omit the protection unit 19. In this case, for example, by making the protruding lengths of the elastic pieces 16 of the first insertion portion 61 and the second insertion portion 64 different, the second insertion portion 64 is first inserted in the attachment work of the long side side wall portion 3. It may be configured to be inserted into the inserted portion 45 before the inserting portion 61.

（ｅ）上記実施形態では、被挿入部４５を構成する横壁部４９及び外壁部５０が、受フランジ部４３、下フランジ部４４、及び、縦壁部４２の間を連結するようにして設けられているが、例えば、底壁構成部２の高さが比較的高い場合等において、横壁部４９及び外壁部５０が、下フランジ部４４から離間するように構成してもよい。但し、横壁部４９については、受フランジ部４３と下フランジ部４４との間を連結するようにして設け、受フランジ部４３、下フランジ部４４、及び、被挿入部４５の剛性を相乗的に高めることが望ましい。 (E) In the above embodiment, the horizontal wall portion 49 and the outer wall portion 50 constituting the inserted portion 45 are provided so as to connect between the receiving flange portion 43, the lower flange portion 44, and the vertical wall portion 42. However, for example, when the height of the bottom wall constituent portion 2 is relatively high, the lateral wall portion 49 and the outer wall portion 50 may be configured to be separated from the lower flange portion 44. However, the side wall portion 49 is provided so as to connect between the receiving flange portion 43 and the lower flange portion 44, and the rigidity of the receiving flange portion 43, the lower flange portion 44, and the inserted portion 45 is synergistically reduced. It is desirable to increase it.

（ｆ）上記実施形態では、容器１はポリプロピレンにより構成されているが、ポリエチレン、ＰＥＴ、ポリアミド等その他の樹脂材料により構成されることとしてもよい。 (F) In the above embodiment, the container 1 is made of polypropylene, but may be made of other resin materials such as polyethylene, PET, and polyamide.

１…容器、２…底壁構成部、３…長辺側側壁部、４…短辺側側壁部、１１…長辺側ベース部、１２…長辺側挿入部、１４…長辺側凸部、１５…弾性係止片、１６…弾性片、１７…メイン係止部、１７ａ…メイン係止面、１７ｂ…傾斜部、１８…サブ係止部、１８ａ…サブ係止面、１９…保護部、２０…柱部、２１…横架部、４１…底壁部、４２…縦壁部、４３…受フランジ部、４４…下フランジ部、４５…被挿入部、４６…挿入口、４７…メイン被係止部、４８…サブ被係止部、４９…横壁部、５０…外壁部、６１…第１挿入部、６２…第１係止部、６３…第１当接部、６４…第２挿入部、６５…第２係止部、６６…第２当接部、６７…第１被当接部、６８…第２被当接部、６９…底フランジ部、７０…退避フランジ部、７２…段積み凹部。 1 ... Container, 2 ... Bottom wall constituent part, 3 ... Long side side wall part, 4 ... Short side side wall part, 11 ... Long side side base part, 12 ... Long side side insertion part, 14 ... Long side side convex part , 15 ... elastic locking piece, 16 ... elastic piece, 17 ... main locking portion, 17a ... main locking surface, 17b ... inclined portion, 18 ... sub locking portion, 18a ... sub locking surface, 19 ... protective portion. , 20 ... Pillar part, 21 ... Horizontal part, 41 ... Bottom wall part, 42 ... Vertical wall part, 43 ... Receiving flange part, 44 ... Lower flange part, 45 ... Inserted part, 46 ... Insertion port, 47 ... Main Locked portion, 48 ... Sub-locked portion, 49 ... Horizontal wall portion, 50 ... Outer wall portion, 61 ... First insertion portion, 62 ... First locking portion, 63 ... First contact portion, 64 ... Second Insertion part, 65 ... 2nd locking part, 66 ... 2nd contact part, 67 ... 1st contact part, 68 ... 2nd contact part, 69 ... bottom flange part, 70 ... retract flange part, 72 … Stacked recesses.

Claims (5)

平面視略矩形状の底壁構成部と、
前記底壁構成部の各側辺部の上方に立設される側壁部とを備え、
前記側壁部は、下辺部から下方に突出する複数の挿入部を備え、
前記底壁構成部は、上方に開口し、前記各挿入部を挿入可能な複数の被挿入部を備え、
前記挿入部は、係止部を備え、
前記被挿入部は、前記係止部と係止状態とされる被係止部を備え、
前記側壁部のうち少なくとも一つの側壁部に関し、当該側壁部に設けられる前記複数の挿入部として、第１挿入部と、前記第１挿入部よりも前記側壁部からの突出長の長い第２挿入部とを備え、
前記底壁構成部は、
前記第１挿入部が前記被挿入部に挿入される際に、前記第１挿入部の前記係止部である第１係止部の第１当接部と当接し、前記第１係止部を変位させる第１被当接部と、
前記第２挿入部が前記被挿入部に挿入される際に、前記第２挿入部の前記係止部である第２係止部の第２当接部と当接し、前記第２係止部を変位させる第２被当接部とを備え、
前記第１挿入部、及び、前記第２挿入部を備える前記側壁部と、前記底壁構成部の対応する側辺部とを上下に平行に配置した場合に、
前記第１挿入部の下端部と、対応する前記被挿入部の挿入口との間の距離と、前記第２挿入部の下端部と、対応する前記被挿入部の挿入口との間の距離とが異なり、かつ、
前記第１当接部と、前記第１被当接部との間の距離と、前記第２当接部と、前記第２被当接部との間の距離とが同じとなるように構成されていることを特徴とする容器。 The bottom wall component, which is approximately rectangular in plan view,
It is provided with a side wall portion erected above each side side portion of the bottom wall constituent portion.
The side wall portion includes a plurality of insertion portions projecting downward from the lower side portion.
The bottom wall component is provided with a plurality of inserted portions that are open upward and into which each of the insertion portions can be inserted.
The insertion portion includes a locking portion and
The inserted portion includes the locked portion and the locked portion to be locked.
With respect to at least one side wall portion of the side wall portion, as the plurality of insertion portions provided on the side wall portion, a first insertion portion and a second insertion portion having a longer protrusion length from the side wall portion than the first insertion portion. With a department
The bottom wall component
When the first insertion portion is inserted into the inserted portion, the first insertion portion comes into contact with the first contact portion of the first locking portion, which is the locking portion of the first insertion portion, and the first locking portion. The first contacted part that displaces
When the second insertion portion is inserted into the inserted portion, the second insertion portion comes into contact with the second contact portion of the second locking portion, which is the locking portion of the second insertion portion, and the second locking portion With a second contacted part to displace
When the first insertion portion, the side wall portion including the second insertion portion, and the corresponding side side portions of the bottom wall constituent portion are arranged vertically in parallel.
The distance between the lower end of the first insertion portion and the corresponding insertion port of the inserted portion, and the distance between the lower end of the second insertion portion and the corresponding insertion port of the inserted portion. Is different from
The distance between the first contacted portion and the first contacted portion is the same as the distance between the second contacted portion and the second contacted portion. A container characterized by being made. 前記第１当接部の高さ位置と、前記第２当接部の高さ位置とが同じであり、
前記第１被当接部の高さ位置と、前記第２被当接部の高さ位置とが同じであることを特徴とする請求項１に記載の容器。 The height position of the first contact portion and the height position of the second contact portion are the same.
The container according to claim 1, wherein the height position of the first contacted portion and the height position of the second contacted portion are the same. 前記挿入部は、前記側壁部の下辺部から下方に延びる弾性片と、前記弾性片の側方において前記弾性片に沿って延びる保護部とを備え、前記係止部が前記弾性片に設けられる構成において、
前記係止部は爪形状をなし、前記係止部のうち前記被係止部と係止される係止面の反対面側には、前記係止面に対して傾斜して延びる傾斜部が設けられ、前記傾斜部において、前記第１当接部、及び、前記第２当接部が設けられていることを特徴とする請求項１又は２に記載の容器。 The insertion portion includes an elastic piece extending downward from the lower side portion of the side wall portion and a protective portion extending along the elastic piece on the side of the elastic piece, and the locking portion is provided on the elastic piece. In the configuration
The locking portion has a claw shape, and an inclined portion extending inclined with respect to the locking surface is provided on the opposite surface side of the locking portion to be locked with the locked portion. The container according to claim 1 or 2, wherein the first contact portion and the second contact portion are provided in the inclined portion. 前記底壁構成部は、容器が設置面に設置された場合に当該設置面に接地する略矩形板状の底壁部と、前記底壁部の各側辺部から上方に延びる縦壁部と、前記縦壁部の上辺部から外方に突出する受フランジ部とを備え、
前記受フランジ部において前記被挿入部の前記挿入口が設けられ、前記側壁部の下辺部が前記受フランジ部の上面に支持される構成において、
前記底壁部を外方に延長させるようにして、前記縦壁部よりも外方に突出する底フランジ部を備え、
前記被挿入部のうち、前記第２挿入部が挿入される前記被挿入部を構成する挿入壁部は、前記受フランジ部と、前記底フランジ部との間を連結するようにして設けられていることを特徴とする請求項１乃至３のいずれかに記載の容器。 The bottom wall component includes a substantially rectangular plate-shaped bottom wall portion that contacts the installation surface when the container is installed on the installation surface, and a vertical wall portion that extends upward from each side side portion of the bottom wall portion. A receiving flange portion that protrudes outward from the upper side portion of the vertical wall portion is provided.
In a configuration in which the insertion port of the inserted portion is provided in the receiving flange portion and the lower side portion of the side wall portion is supported on the upper surface of the receiving flange portion.
A bottom flange portion is provided so as to extend the bottom wall portion outward so as to extend outward from the vertical wall portion.
Among the inserted portions, the insertion wall portion constituting the inserted portion into which the second insertion portion is inserted is provided so as to connect the receiving flange portion and the bottom flange portion. The container according to any one of claims 1 to 3, wherein the container is provided. 前記側壁部に設けられた複数の前記挿入部のうち、前記側壁部の両側部、又は、その近傍位置に設けられる前記挿入部である端部挿入部は前記第１挿入部として構成され、
前記底壁構成部の下面には、前記端部挿入部が挿入される前記被挿入部の下方位置において段積み凹部が設けられ、
前記側壁部の上面には、前記端部挿入部の上方位置において設けられ、容器同士を上下に重ねた場合に、上側の容器の前記段積み凹部に挿入される段積み凸部が設けられていることを特徴とする請求項１乃至４のいずれかに記載の容器。 Of the plurality of insertion portions provided on the side wall portion, the end insertion portion which is the insertion portion provided at or near both side portions of the side wall portion is configured as the first insertion portion.
On the lower surface of the bottom wall constituent portion, a stacking recess is provided at a position below the inserted portion into which the end insertion portion is inserted.
On the upper surface of the side wall portion, a stacking convex portion is provided at a position above the end insertion portion and is inserted into the stacking recess of the upper container when the containers are stacked one above the other. The container according to any one of claims 1 to 4, wherein the container is provided.
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