JP7132615B2 - folding container - Google Patents

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JP7132615B2
JP7132615B2 JP2018206634A JP2018206634A JP7132615B2 JP 7132615 B2 JP7132615 B2 JP 7132615B2 JP 2018206634 A JP2018206634 A JP 2018206634A JP 2018206634 A JP2018206634 A JP 2018206634A JP 7132615 B2 JP7132615 B2 JP 7132615B2
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昌彦 斉藤
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西田製凾株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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この発明は、不在時に宅配物を受け取るための宅配ボックスや展示ケースとして使用可能な折畳式コンテナに関するものである。 The present invention relates to a collapsible container that can be used as a home delivery box or display case for receiving parcels while you are away.

従来、簡易型の宅配ボックスとして、図11に示すようなものが知られている。この宅配ボックスは、EVA樹脂等の軟質のシートから成り、角桶状の本体部71の上端後部に蓋72が開閉自在に連設され、蓋72を開けて本体71に宅配物を収納した後、蓋72を閉じ、本体部71の上部と蓋72の周囲のファスナ73の一対のスライダ74を突き合わせ、スライダ74に錠61のシャックル61aを挿通して、宅配物の盗難を防止するものとなっている。この宅配ボックスは、不使用時に折り畳んでおくこともできる。 Conventionally, as a simple delivery box, a box as shown in FIG. 11 is known. This home delivery box is made of a soft sheet such as EVA resin. Then, the lid 72 is closed, the upper part of the main body 71 and the pair of sliders 74 of the fastener 73 around the lid 72 are butted against each other, and the shackle 61a of the lock 61 is inserted through the sliders 74 to prevent the theft of the package. ing. This delivery box can also be folded when not in use.

また、折畳式コンテナである宅配ボックスとして、下記特許文献1には、図12に示すようなものが記載されている。この宅配ボックスは、硬質の板材を主体とする底盤81、前面板82、後面板83、一対の側壁84及び蓋85から構成されている。 Further, as a delivery box that is a foldable container, Patent Document 1 below describes a box as shown in FIG. 12 . This home delivery box is composed of a bottom plate 81, a front plate 82, a rear plate 83, a pair of side walls 84, and a lid 85, which are mainly made of hard plate materials.

そして、底盤81と後面板83、前面板82と一対の側壁84、後面板83と一対の側壁84及び後面板83と蓋85がそれぞれ蝶番86を介して回動自在に連結され、一対の側壁84の奥行方向の中央部で前側部と後側部とが縦向きの蝶番86を介して屈伸自在に連結されることにより、不使用時には折り畳めるようになっている。 The bottom plate 81 and the rear plate 83, the front plate 82 and the pair of side walls 84, the rear plate 83 and the pair of side walls 84, and the rear plate 83 and the lid 85 are rotatably connected via hinges 86, respectively. The front side and the rear side are connected at the center of the depth direction of 84 via a vertical hinge 86 so as to be bendable and stretchable, so that it can be folded when not in use.

上記のような宅配ボックスを使用する際には、組立状態として、その内部に宅配物を収納した後、蓋85を閉じ、前面板82の上部の錠挿通穴82aと蓋85の前部の錠挿通穴85aとに錠61のシャックル61aを挿通して、宅配物の盗難を防止する。 When using the home delivery box as described above, as an assembled state, after the parcel is stored in the box, the lid 85 is closed, and the lock insertion hole 82a in the upper part of the front plate 82 and the lock in front of the lid 85 are closed. The shackle 61a of the lock 61 is inserted through the insertion hole 85a to prevent the parcel from being stolen.

登録実用新案第3013613号公報Registered Utility Model No. 3013613

しかしながら、図11に示すような簡易型の宅配ボックスでは、本体71及び蓋72が軟質のシートから成るので、カッターナイフで簡単に切り込むことができ、防犯性が極めて不十分のものとなるほか、上方からの落下物や荷重により潰れるように変形して、宅配物が破損する恐れがある。 However, in the simple delivery box as shown in FIG. 11, since the body 71 and the lid 72 are made of soft sheets, they can be easily cut with a utility knife, resulting in extremely insufficient security. There is a risk that the product will be damaged by being crushed and deformed by a falling object or load from above.

また、図12に示す宅配ボックスでは、壁面の主要部材をプラスチック製とした場合、宅配物を収納した状態で施錠しても、錠挿通穴82a,85aの部分をハンマー等で壊すことにより、錠61による施錠状態を解除して、蓋85を開けることができるので、やはり防犯性が不十分なものとなる。 In the home delivery box shown in FIG. 12, when the main members of the wall surface are made of plastic, even if it is locked with the parcel stored, the lock can be removed by breaking the lock insertion holes 82a and 85a with a hammer or the like. Since the locked state by 61 can be released and the lid 85 can be opened, security is still insufficient.

特に、軽量化のため材質を中空構造のプラスチック段ボール製とした場合、製造段階では、厚さ方向の途中まで切り込むハーフカットにより、折曲加工を容易に施すことができるものの、使用時に鋭利な刃物で切り込まれると、亀裂が生じやすく、その亀裂を拡大することにより、宅配物が盗まれる恐れがある。 In particular, if the material is made of plastic cardboard with a hollow structure for weight reduction, it can be easily bent by half-cutting in the middle of the thickness direction at the manufacturing stage. If it is cut by the edge, cracks are likely to occur, and by enlarging the cracks, there is a risk of theft of the parcel.

また、蝶番86として金属製のものを用いた場合、廃棄に際し、プラスチック製の主要部材との分別が困難なため、複合材料の粗大ごみとして処理せざるを得ず、資源の再利用が図れないという問題がある。 In addition, when a metal hinge 86 is used, it is difficult to separate it from plastic main members at the time of disposal, so it must be disposed of as bulky composite material waste, and resource recycling cannot be achieved. There is a problem.

そこで、この発明は、使用時の防犯性に優れ、廃棄時には、分別の手間を要することなく、資源ごみとして処理可能な折畳式コンテナを提供することを課題とする。 SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a collapsible container that is excellent in crime prevention during use and that can be disposed of as recyclable waste without the need for separating the container when discarded.

上記のような課題を解決するため、この発明に係る折畳式コンテナは、底面板を有する底盤と、底敷板を挟んで前面板及び後面板が連なる基本部材と、側面板を有する一対の側壁部材と、天面板を有する蓋と、四角形枠の上部フレームとから構成され、
底盤、基本部材、一対の側壁部材及び蓋は、それぞれ無発泡で空洞のない無垢の硬質プラスチック製シートから成り、その材質はポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、アクリル樹脂、ポリカーボネート、ポリ塩化ビニルのいずれかであり、上部フレームもまたプラスチック製であり、
基本部材には、前面板及び後面板のそれぞれの下端及び上端並びに高さ方向中間部に熱罫線が入れられ、側壁部材には、上部及び下部に熱罫線が入れられ、蓋には、後部及び前部に熱罫線が入れられ、
底面板の上面に底敷板が重ね合わされて固着され、基本部材が前面板及び後面板の上方部分での溶着により上部フレームに取り付けられ、一対の側壁部材が側面板の上方部分での溶着により上部フレームに取り付けられ、蓋が天面板の後方部分での溶着により上部フレームに取り付けられ、
組立状態では、側面板の下端に連なる係合片が熱罫線に沿って内側へ折り曲げられ、係合片と底敷板の両側端の係合切欠とが係合し、天面板が熱罫線に沿って折り曲げられることにより蓋が閉じられ、天面板の前端に連なる前フラップが熱罫線に沿って下方へ折り曲げられ、前フラップの錠受挿通穴から錠受具の錠掛部が突出すると共に、錠受具の座部が前フラップにより覆い隠され、
折畳状態では、係合片が係合切欠から離脱して、一対の側面板が上部の熱罫線に沿って内側へ折り曲げられることにより跳ね上げられ、前面板及び後面板が下端及び上端の熱罫線に沿って内側へ折り曲げられると共に、高さ方向中央部の熱罫線に沿って二つ折りにされるものとしたのである。
In order to solve the above-described problems, the collapsible container according to the present invention provides a base plate having a bottom plate, a basic member having a front plate and a rear plate connected to each other with the bottom plate sandwiched therebetween, and a pair of side walls having side plates. Consists of a member, a lid having a top plate, and a rectangular upper frame,
The bottom plate, base member, pair of side wall members, and lid are each made of non-foamed, hollow, solid hard plastic sheets made of either polypropylene, polyethylene, polyethylene terephthalate, acrylic resin, polycarbonate, or polyvinyl chloride. and the upper frame is also made of plastic,
The base member has thermal creases at the bottom and top edges and the middle in the height direction of each of the front and rear plates, the side wall members have thermal creases at the top and bottom, and the lid has the rear and rear panels. A thermal ruled line is put in the front part,
A base plate is superimposed and fixed to the upper surface of the bottom plate, a base member is attached to the upper frame by welding the upper portions of the front plate and the rear plate, and a pair of side wall members are attached to the upper portion by welding the upper portions of the side plates. Attached to the frame, the lid is attached to the upper frame by welding at the rear part of the top plate,
In the assembled state, the engaging pieces continuing to the lower ends of the side plates are bent inward along the thermal ruled lines, the engaging pieces engage with the engaging notches on both side ends of the bottom plate, and the top plate is aligned along the thermal ruled lines. The front flap connected to the front end of the top panel is bent downward along the thermal ruled line, and the lock receiving part of the lock receiving tool protrudes from the lock receiving insertion hole of the front flap. The seat of the receiver is covered by the front flap,
In the folded state, the engaging pieces are disengaged from the engaging notches, the pair of side plates are folded inward along the upper thermal ruled lines, and flipped up, and the front and rear plates are heated at the lower and upper ends. It is to be folded inward along the ruled lines and to be folded in two along the thermal ruled lines in the center in the height direction.

また、前記底盤の底面板には、周囲各辺にそれぞれストッパ片が連設され、底面板からストッパ片が熱曲げにより上方へ折り曲げられ、
前面板及び後面板並びに一対の側面板の外側への揺動がストッパ片により阻止されるものとしたのである。
Further, the bottom plate of the bottom plate has a stopper piece continuously provided on each side of the periphery, and the stopper piece is bent upward from the bottom plate by thermal bending,
The stopper pieces prevent the front plate, the rear plate, and the pair of side plates from swinging outward.

また、前記蓋の天面板には、一対の側端辺にそれぞれガード片が連設され、天面板から一対のガード片が熱曲げにより下方へ折り曲げられ、
蓋を閉じたとき、ガード片により天面板と上部フレームの側枠部の隙間が覆われるものとしたのである。
Further, guard pieces are continuously provided on a pair of side edges of the top plate of the lid, and the pair of guard pieces are bent downward from the top plate by thermal bending,
When the lid is closed, the gap between the top panel and the side frame of the upper frame is covered by the guard piece.

この発明に係る折畳式コンテナでは、組立状態で上部フレームから垂下した側面板の下端の係合片が底敷板の係合切欠に係合しているので、側面板が外側から押されても内側へ揺動せず、側面を開口させることができない。そして、上部フレームに取り付けた錠受具の座部が前フラップにより覆い隠されているので、施錠した状態では、錠受具を取り外すことができず、蓋を開くことができない。 In the collapsible container according to the present invention, since the engaging pieces at the lower ends of the side plates that hang down from the upper frame in the assembled state are engaged with the engaging notches of the bottom plate, even if the side plates are pushed from the outside. It does not swing inward and the sides cannot be opened. Further, since the seat portion of the lock receiver attached to the upper frame is covered by the front flap, the lock receiver cannot be removed in the locked state, and the lid cannot be opened.

また、壁面をなす主要部材である底盤、基本部材、一対の側壁部材及び蓋がポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、アクリル樹脂、ポリカーボネート、ポリ塩化ビニルのいずれかを材質とする無垢のシートとされているので、これらを3mm~10mm程度の厚みとしておけば、鋭利な刃物で切り込まれても、多少の傷はつくが、亀裂は発生しない。 In addition, the base plate, the base member, the pair of side wall members, and the lid, which are the main members of the wall, are solid sheets made of polypropylene, polyethylene, polyethylene terephthalate, acrylic resin, polycarbonate, or polyvinyl chloride. Therefore, if these are made to have a thickness of about 3 mm to 10 mm, even if they are cut with a sharp knife, they will be slightly scratched, but cracks will not occur.

したがって、不使用時には嵩張らないように折り畳んでおける構造にもかかわらず、使用時に組み立てて施錠した状態において、高い防犯性が確保され、収納された宅配物の盗難が防止される。また、材質がポリエチレンテレフタレートやポリカーボネートである場合には、透明性を活かして、防犯性に優れた展示ケースとすることもできる。 Therefore, in spite of the structure that can be folded so as not to be bulky when not in use, in the assembled and locked state when in use, high crime prevention is ensured, and the housed items to be delivered are prevented from being stolen. In addition, when the material is polyethylene terephthalate or polycarbonate, it is possible to use the transparency to make the display case excellent in crime prevention.

また、製造時に加工する際、プラスチック段ボールのように、ハーフカットとして折り曲げられるようにすることはできないが、別途蝶番等を用いることなく、ヒートバーを押し当てる熱罫線又は熱曲げとし、さらに、構成部材同士の接合を、別途金属製のリベット等を用いることなく、熱溶融による溶着としたので、廃棄する際には、錠受具を外すだけで、プラスチックのみから成る資源ごみとして容易に処理することができる。 In addition, when processing at the time of manufacturing, it cannot be bent as a half cut like plastic corrugated cardboard, but without using a separate hinge etc., it is made into a thermal ruled line or thermally bent against which a heat bar is pressed, and furthermore, a constituent member Since the joints are welded by heat fusion without using a separate metal rivet or the like, they can be easily disposed of as recyclable waste consisting only of plastic only by removing the lock holder when disposing of them. can be done.

この発明の実施形態に係る折畳式コンテナの組立施錠状態を示す斜視図1 is a perspective view showing an assembled and locked state of a collapsible container according to an embodiment of the present invention; FIG. 同上の組立/折畳過程を示す斜視図The perspective view which shows an assembly / folding process same as the above. 同上の組立/折畳過程を示す斜視図The perspective view which shows an assembly / folding process same as the above. 同上の折畳状態を示す斜視図The perspective view which shows a folding state same as the above. 図1のV-V線に沿った縦断正面図Vertical front view along the VV line in Fig. 1 図1のVI-VI線に沿った縦断側面図Vertical side view along the VI-VI line in Fig. 1 同上の底盤の展開状態を示す図Diagram showing the deployed state of the same bottom plate 同上の基本部材の展開状態を示す図The figure which shows the deployment state of the basic member same as the above. 同上の側壁部材の展開状態を示す図The figure which shows the expansion|deployment state of the side wall member same as the above. 同上の蓋の展開状態を示す図The figure which shows the unfolded state of the cover same as the above. 従来の簡易型の宅配ボックスの組立施錠状態を示す斜視図Perspective view showing an assembled and locked state of a conventional simple delivery box 特許文献1に記載された宅配ボックスの(12A)組立施錠状態を示す斜視図、(12B)同上の組立/折畳過程を示す斜視図(12A) Perspective view showing the assembled and locked state of the delivery box described in Patent Document 1, (12B) Perspective view showing the same assembly/folding process

以下、この発明の実施形態を添付図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.

この折畳式コンテナは、図1に示すように、組立施錠状態で直方体となり、底面を形成する底盤1、底部で繋がり前面及び後面を形成する基本部材2、両側面を形成する一対の側壁部材3、天面を形成する蓋4及び四角形枠の上部フレーム5から構成される。 As shown in FIG. 1, this collapsible container has a rectangular parallelepiped shape when assembled and locked. 3. Consists of a lid 4 forming a top surface and an upper frame 5 of a rectangular frame.

底盤1、基本部材2、一対の側壁部材3及び蓋4は、無発泡で空洞のない厚さ3mm~10mm程度の無垢の硬質プラスチック製のシートから成り、その材質は、ポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、アクリル樹脂、ポリカーボネート、ポリ塩化ビニル(例えば、積水成型工業社製のタフビロン:登録商標)のいずれかとされている。 The base plate 1, the base member 2, the pair of side wall members 3, and the lid 4 are made of non-foamed, void-free solid hard plastic sheets with a thickness of about 3 mm to 10 mm, and are made of polypropylene, polyethylene, or polyethylene terephthalate. , acrylic resin, polycarbonate, or polyvinyl chloride (for example, Sekisui Seiko Co., Ltd. Toughbilon: registered trademark).

なお、宅配ボックスとして使用するものでは、収納された宅配物が外部から見えないように、不透明で着色されたシートを使用し、展示ケースとして使用する場合には、収納された展示物が外部からよく見えるように、透明性の高いポリエチレンテレフタレートやポリカーボネートのシートを使用する。 In addition, when used as a delivery box, use opaque and colored sheets so that the items to be delivered cannot be seen from the outside. Use a highly transparent polyethylene terephthalate or polycarbonate sheet so that you can see it clearly.

展開状態で図7に示すように、底盤1は、底面板11の周囲の各端辺にストッパ片12が連設された構成となっており、製造時には、底面板11からストッパ片12が上方へ折り曲げられる。この折り曲げは、ヒートバーで押圧して加熱に伴い軟化した状態で折り曲げ、徐冷に伴い塑性変形させる熱曲げとされている。 As shown in FIG. 7 in an unfolded state, the bottom board 1 has a structure in which stopper pieces 12 are continuously provided on each edge around a bottom plate 11. When manufactured, the stopper pieces 12 extend upward from the bottom plate 11. folded into. This bending is heat bending, which is performed by pressing with a heat bar, bending in a softened state with heating, and plastically deforming with slow cooling.

また、展開状態で図8に示すように、基本部材2は、底敷板21を挟んで前面板22及び後面板23が連なり、前面板22及び後面板23の底敷板21とは反対側の端辺に、それぞれ接合片24が連設された構成となっている。 Further, as shown in FIG. 8 in the unfolded state, the base member 2 has a front plate 22 and a rear plate 23 connected with a bottom plate 21 therebetween. It has a configuration in which joint pieces 24 are arranged in a row on each side.

底敷板21と前面板22の境界、底敷板21と後面板23の境界、前面板22と接合片24の境界及び後面板23と接合片24の境界には、それぞれV字溝状に窪んだヒンジとなる熱罫線25,26が入れられ、前面板22及び後面板23の高さ方向中央部にも、V字溝状に窪んだヒンジとなる横向きの熱罫線27が入れられている。 The boundary between the bottom plate 21 and the front plate 22, the boundary between the bottom plate 21 and the rear plate 23, the boundary between the front plate 22 and the joint piece 24, and the boundary between the rear plate 23 and the joint piece 24 are recessed in a V-shaped groove. Thermal ruled lines 25 and 26 are provided as hinges, and laterally directed thermal ruled lines 27 are provided in the center of the height direction of the front plate 22 and rear plate 23 to form a recessed V-shaped groove and serve as a hinge.

熱罫線25,26は、シートの表面側が窪んだものとされ、熱罫線27は、シートの裏面側が窪んだものとされている。熱罫線27の位置には、熱罫線27に沿った屈伸の繰り返しによりシートが破断しないようにするため、シートの裏面側にV字溝状の窪みに沿ってフィラメントテープ27aが貼り付けられている。 The thermal ruled lines 25 and 26 are recessed on the front side of the sheet, and the thermal ruled line 27 is recessed on the back side of the sheet. At the positions of the thermal ruled lines 27, a filament tape 27a is attached along the V-shaped recesses on the back side of the sheet in order to prevent the sheet from breaking due to repeated bending and stretching along the thermal ruled lines 27. .

底敷板21の両側端には、凹入した係合切欠28が形成され、係合切欠28の奥側の端縁中央部には、指入凹所28aが設けられている。 Engagement notches 28 are formed on both side ends of the bottom plate 21, and finger insertion recesses 28a are provided in the center of the edges on the far side of the engagement notches 28. As shown in FIG.

なお、組み立てに際しては、基本部材2と共に、上部フレームとの接合部を補強するため、接合片24とほぼ同一幅で高さが大きい形状の一対の補強部材29が使用される。 When assembling, together with the base member 2, a pair of reinforcing members 29 having substantially the same width and greater height than the joint pieces 24 are used in order to reinforce the joint portion with the upper frame.

また、展開状態で図9に示すように、側壁部材3は、側面板31の上端辺に接合片32が、下端辺に係合片33がそれぞれ連設された構成となっており、側面板31に把手穴31aが形成されている。側面板31と接合片32の境界及び側面板31と係合片33の境界には、それぞれV字溝状に窪んだヒンジとなる熱罫線34,35が入れられている。 Further, as shown in FIG. 9 in the unfolded state, the side wall member 3 has a joint piece 32 and an engaging piece 33 connected to the upper edge of the side plate 31 and the engaging piece 33 to the lower edge of the side plate 31, respectively. 31 is formed with a handle hole 31a. At the boundary between the side plate 31 and the joining piece 32 and the boundary between the side plate 31 and the engaging piece 33, thermal ruled lines 34 and 35 are formed as hinges recessed in a V-shaped groove.

熱罫線34,35は、シートの表面側が窪んだものとされ、熱罫線35の位置には、熱罫線35に沿った屈伸の繰り返しによりシートが破断しないようにするため、シートの裏面側にV字溝状の窪みに沿ってフィラメントテープ35aが貼り付けられている。 The thermal ruled lines 34 and 35 are recessed on the surface side of the sheet. At the position of the thermal ruled line 35, a V-shaped groove is formed on the back side of the sheet to prevent the sheet from breaking due to repeated bending and stretching along the thermal ruled line 35. A filament tape 35a is pasted along the groove-like recess.

また、展開状態で図10に示すように、蓋4は、天面板41の後端辺に接合片42が、前端辺に前フラップ43が、一対の側端辺にガード片44がそれぞれ連設された構成となっており、製造時には、天面板41から一対のガード片44が熱曲げにより下方へ折り曲げられる。前フラップ43の中央部には、スロット状の錠受挿通穴43aが穿設されている。 As shown in FIG. 10 in the unfolded state, the lid 4 has a joint piece 42 on the rear edge of the top plate 41, a front flap 43 on the front edge, and guard pieces 44 on the pair of side edges. A pair of guard pieces 44 are bent downward from the top plate 41 by thermal bending during manufacturing. A slot-shaped lock receiving insertion hole 43a is formed in the central portion of the front flap 43. As shown in FIG.

天面板41と接合片42の境界及び天面板41と前フラップ43の境界には、それぞれV字溝状に窪んだヒンジとなる熱罫線45,46が入れられ、熱罫線45,46は、シートの裏面側が窪んだものとされている。 At the boundary between the top plate 41 and the joint piece 42 and at the boundary between the top plate 41 and the front flap 43, thermal ruled lines 45 and 46 are provided as hinges recessed in a V-shaped groove. It is said that the back side of the is recessed.

熱罫線45,46の位置には、熱罫線45,46に沿った屈伸の繰り返しによりシートが破断しないようにするため、シートの裏面側にV字溝状の窪みに沿ってフィラメントテープ45a,46aが貼り付けられている。 At the positions of the thermal ruled lines 45 and 46, filament tapes 45a and 46a are provided along the V-shaped recesses on the back side of the sheet in order to prevent the sheet from breaking due to repeated bending and stretching along the thermal ruled lines 45 and 46. is pasted.

また、図2及び図3に示すように、上部フレーム5は、前枠部51、後枠部52及び一対の側枠部53から構成され、荷崩防止片54が四隅のコーナー部から上方へ突出している。上部フレーム5の材質は、強度に優れ、段積み時等に破損しにくい性質を有するものとして、例えば、靭性の大きいポリエチレンとされている。 2 and 3, the upper frame 5 is composed of a front frame portion 51, a rear frame portion 52, and a pair of side frame portions 53, and cargo collapse prevention pieces 54 extend upward from the four corner portions. Protruding. The material of the upper frame 5 is, for example, polyethylene having high toughness, which is excellent in strength and resistant to breakage during stacking.

ところで、基本部材2の熱罫線25,26,27、側壁部材3の熱罫線34,35及び蓋4の熱罫線45,46を入れる際には、V字状のヒートバーを押し当てて熱変形させるが、その材料は無垢のシートなので、相当量のノロが発生し、ノロを専用の治具でカットしなければならない。特に、表面側では、シートに傷が付かず、カット面が平滑となるようにしなければならないので、手作業でこの作業を行うには、高度な熟練を要する。 By the way, when forming the thermal ruled lines 25, 26, 27 of the base member 2, the thermal ruled lines 34, 35 of the side wall member 3, and the thermal ruled lines 45, 46 of the lid 4, they are thermally deformed by pressing a V-shaped heat bar. However, since the material is a solid sheet, a considerable amount of slag is generated, and the slag must be cut with a special jig. In particular, on the surface side, the cut surface must be smooth and the sheet must not be damaged.

なお、フィラメントテープ27a,35a,45a,46aは、必須ではないが、貼り付けておくと、耐久性が向上する。 Although the filament tapes 27a, 35a, 45a, and 46a are not essential, if they are attached, durability is improved.

上記のような部材を用いて折畳式コンテナを製造する際には、底面板11の上面に底敷板21を重ね合わせて、底盤1に基本部材2を溶着又は接着剤により固着する。 When manufacturing a collapsible container using the members as described above, the base plate 21 is overlaid on the upper surface of the bottom plate 11, and the base member 2 is fixed to the base plate 1 by welding or adhesive.

また、前面板22及び後面板23に連なる接合片24を、それぞれ前枠部51及び後枠部52に補強部材29を挟んで溶着部Wで溶着することにより、基本部材2を上部フレーム5に取り付け、一対の側面板31に連なる接合片32をそれぞれ一対の側枠部53に溶着部Wで溶着することにより、側壁部材3を上部フレーム5に取り付ける。そして、天面板41に連なる接合片42を後枠部52に溶着部Wで溶着することにより、蓋4を上部フレーム5に取り付ける。 In addition, the joining pieces 24 connected to the front plate 22 and the rear plate 23 are welded to the front frame portion 51 and the rear frame portion 52 at the welding portions W with the reinforcing members 29 interposed therebetween, thereby connecting the basic member 2 to the upper frame 5. The side wall member 3 is attached to the upper frame 5 by welding the joining pieces 32 connected to the pair of side plates 31 to the pair of side frame portions 53 at the welding portions W, respectively. Then, the lid 4 is attached to the upper frame 5 by welding the joining piece 42 connected to the top plate 41 to the rear frame portion 52 at the welding portion W. As shown in FIG.

上記溶着部Wでの溶着手段としては、高温体の押し当てによる熱溶着、超音波振動を与えて摩擦熱により昇温させる超音波溶着、高周波電界を与えて発熱させる高周波溶着等を採用することができる。 As the welding means at the welding portion W, thermal welding by pressing a high-temperature body, ultrasonic welding in which ultrasonic vibration is applied to raise the temperature by frictional heat, and high-frequency welding in which high-frequency electric field is applied to generate heat may be adopted. can be done.

なお、上記工程に先立って、側面板31の両側辺部には、溝形材である保護部材36を嵌め、溶着部Wでの溶着により固定しておく。また、側面板31の把手穴31aには、プラスチック製の把手ハンドル37を装着しておく。 Prior to the above process, the protection members 36, which are channel members, are fitted to both side portions of the side plate 31 and fixed by welding at the welding portions W. As shown in FIG. A plastic handle 37 is attached to the handle hole 31 a of the side plate 31 .

また、前枠部51に金属製の錠受具55を取り付ける。錠受具55は、座部55aとU字状の錠掛部55bとから成るものであり、座部55aをねじ止め等により前枠部51に固定する。さらに、補強部材29の表面と前フラップ43の裏面には、錠受挿通穴43aの両側方に位置するように面ファスナ60を取り付ける。 Also, a lock receiver 55 made of metal is attached to the front frame portion 51 . The lock receiver 55 is composed of a seat portion 55a and a U-shaped lock hook portion 55b, and the seat portion 55a is fixed to the front frame portion 51 by screwing or the like. Further, hook-and-loop fasteners 60 are attached to the front surface of the reinforcing member 29 and the rear surface of the front flap 43 so as to be positioned on both sides of the lock receiving insertion hole 43a.

このように製造した折畳式コンテナを使用時に組み立てるには、図1、図5及び図6に示すように、底敷板21から前面板22及び後面板23を熱罫線25に沿って上方へ折り曲げることにより直立させ、一対の側枠部53からそれぞれ側面板31が垂下した状態としておく。また、側面板31から熱罫線35に沿って係合片33を内側へ折り曲げ、係合片33と底敷板21の係合切欠28とを係合させる。 To assemble the collapsible container manufactured in this manner for use, as shown in FIGS. By doing so, it stands upright, and the side plates 31 hang down from the pair of side frame portions 53, respectively. Also, the engaging piece 33 is bent inward from the side plate 31 along the thermal ruled line 35 to engage the engaging piece 33 with the engaging notch 28 of the bottom plate 21 .

この状態において、前面板22及び後面板23の内側への屈曲は、側面板31の両側端との当接により阻止され、前面板22及び後面板23の外側への揺動は、底盤1のストッパ片12により阻止される。また、側面板31の内側への揺動は、係合片33と底敷板21の係合切欠28との係合により阻止され、側面板31の外側への揺動は、底盤1のストッパ片12により阻止される。 In this state, the inward bending of the front plate 22 and the rear plate 23 is prevented by abutment with the both side ends of the side plate 31, and the outward swinging of the front plate 22 and the rear plate 23 is prevented by the bottom plate 1. It is blocked by the stopper piece 12 . Further, the inward swinging of the side plate 31 is prevented by the engagement between the engaging piece 33 and the engaging notch 28 of the bottom plate 21 , and the outward swinging of the side plate 31 is prevented by the stopper piece of the bottom plate 1 . blocked by 12.

そして、宅配物や展示物を収納した後、天面板41を接合片42との境界の熱罫線45に沿って前方へ折り曲げることにより蓋4を閉じ、前フラップ43を天面板41から熱罫線46に沿って下方へ折り曲げ、前フラップ43を補強部材29に面ファスナ60で固定し、錠受挿通穴43aから錠受具55の錠掛部55bを突出させる。 Then, after the items to be delivered or exhibited items are stored, the lid 4 is closed by folding the top plate 41 forward along the thermal ruled line 45 at the boundary with the joining piece 42 , and the front flap 43 is opened from the top plate 41 to the thermal ruled line 46 . , the front flap 43 is fixed to the reinforcing member 29 with the hook-and-loop fastener 60, and the lock receiving portion 55b of the lock receiving member 55 protrudes from the lock receiving insertion hole 43a.

その後、錠受具55の錠掛部55bに南京錠等の錠61のシャックル61aを挿通して施錠し、宅配物や展示物の盗難を防止する。 After that, the shackle 61a of the lock 61 such as a padlock is inserted into the lock hooking portion 55b of the lock receiving device 55 to lock it, thereby preventing theft of the parcels to be delivered or the exhibits.

このような組立施錠状態では、側面板31が外側から押されても内側へ揺動せず、側面を開口させることができない。また、ガード片44により天面板41と側枠部53の隙間が覆われる。そして、錠受具55の座部55aが前フラップ43により覆い隠されているので、錠受具55を取り外すことができず、蓋4を開くことができない。 In such an assembled locked state, even if the side plate 31 is pushed from the outside, it does not swing inward and the side cannot be opened. Also, the gap between the top plate 41 and the side frame portion 53 is covered with the guard piece 44 . Since the seat portion 55a of the lock receiver 55 is covered with the front flap 43, the lock receiver 55 cannot be removed and the lid 4 cannot be opened.

また、壁面をなす主要部材である底盤1、基本部材2、一対の側壁部材3及び蓋4が無発泡で空洞のないポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、アクリル樹脂、ポリカーボネート、ポリ塩化ビニル(例えば、積水成型工業社製のタフビロン:登録商標)のいずれかを材質とする無垢のシートとされ、その厚みが3mm~10mm程度とされているので、鋭利な刃物で切り込まれても、多少の傷はつくが、亀裂は発生せず、高い防犯性が確保される。具体的なシートの厚みは、防犯性と重量との兼ね合いを考慮して、5mm程度としておくのがよい。 In addition, the base plate 1, the base member 2, the pair of side wall members 3 and the lid 4, which are the main members forming the wall surface, are non-foamed and void-free polypropylene, polyethylene, polyethylene terephthalate, acrylic resin, polycarbonate, polyvinyl chloride (for example, Sekisui It is a solid sheet made of any of Toughbilon (registered trademark) manufactured by Mogu Kogyo Co., Ltd., and its thickness is about 3 mm to 10 mm, so even if it is cut with a sharp knife, it will not be scratched to some extent. Although it sticks, cracks do not occur, ensuring high security. The specific thickness of the sheet should be about 5 mm in consideration of the balance between security and weight.

なお、この折畳式コンテナを屋外に置く場合には、折畳式コンテナ自体の盗難を防止するため、ワイヤー錠やチェーン錠を用いて、折畳式コンテナをドアノブや手摺、面格子等の構造物に連結固定できるようにしておくとよい。 When the folding container is placed outdoors, a wire lock or chain lock is used to prevent the folding container from being stolen. It should be possible to connect and fix to an object.

一方、この折畳式コンテナを不使用時に折り畳んでおく際には、図2に示すように、蓋4を開けた状態で、指入凹所28aに指を入れて係合片33の端縁に指を掛け、係合片33の先端部を引き上げつつ、側面板31を表面側から内側へ押して、係合片33を係合切欠28から離脱させ、一対の側面板31を接合片32との境界の熱罫線34に沿って内側へ折り曲げることにより跳ね上げる。 On the other hand, when folding this folding container when not in use, as shown in FIG. while pulling up the tip of the engaging piece 33, push the side plate 31 inward from the surface side to disengage the engaging piece 33 from the engaging notch 28, and connect the pair of side plates 31 to the joint piece 32. It flips up by folding inward along the thermal crease 34 at the boundary of the .

次に、図3に示すように、前面板22及び後面板23を、底敷板21との境界の熱罫線25及び接合片24との境界の熱罫線26に沿って内側へ折り曲げ、高さ方向中央部の熱罫線27に沿って内側へ屈曲させる。 Next, as shown in FIG. 3, the front plate 22 and the rear plate 23 are folded inward along the thermal ruled lines 25 at the boundary with the bottom plate 21 and the thermal ruled lines 26 at the boundary with the joining piece 24, and are folded in the height direction. It is bent inward along the central thermal ruled line 27 .

そして、図4に示すように、前面板22及び後面板23を二つ折りにして底敷板21に重ね、前面板22及び後面板23に側面板31を重ねて、これらを底盤1と蓋4との間に挟むと、高さが組立状態の1/3程度となり、屋内での保管時に嵩張ることがない。 Then, as shown in FIG. 4, the front plate 22 and the rear plate 23 are folded in half and placed on the bottom plate 21, and the side plates 31 are placed on the front plate 22 and the rear plate 23 to form the bottom plate 1 and the lid 4. When sandwiched between them, the height becomes about 1/3 of the assembled state, and it does not become bulky when stored indoors.

このとき、前フラップ43の錠受挿通穴43aから錠受具55の錠掛部55bを突出させ、錠掛部55bに錠61のシャックル61aを掛けておくと、錠61の紛失を防止することができる。 At this time, the lock 61 can be prevented from being lost by protruding the lock receiving portion 55b of the lock receiving member 55 from the lock receiving insertion hole 43a of the front flap 43 and hooking the shackle 61a of the lock 61 on the lock receiving portion 55b. can be done.

上記のような折畳式コンテナは、耐久性に優れるため、長期間使用できるが、不要になった場合には、錠受具55を取り外すだけで、プラスチックのみから成る資源ごみとして容易に処理することができるので、蝶番や金属製のリベットを取り外して分別する等の多大な手間を要することがなく、環境に悪影響を及ぼすことがない。 The collapsible container as described above can be used for a long period of time because of its excellent durability, but when it becomes unnecessary, it can be easily disposed of as recyclable waste consisting only of plastic by simply removing the lock fitting 55. Therefore, there is no need for a great deal of labor such as removing hinges and metal rivets and sorting them, and there is no adverse effect on the environment.

1 底盤
2 基本部材
3 側壁部材
4 蓋
5 上部フレーム
11 底面板
12 ストッパ片
21 底敷板
22 前面板
23 後面板
24 接合片
25,26,27 熱罫線
27a フィラメントテープ
28 係合切欠
28a 指入凹所
29 補強部材
31 側面板
31a 把手穴
32 接合片
33 係合片
34,35 熱罫線
35a フィラメントテープ
36 保護部材
37 把手ハンドル
41 天面板
42 接合片
43 前フラップ
43a 錠受挿通穴
44 ガード片
45,46 熱罫線
45a,46a フィラメントテープ
51 前枠部
52 後枠部
53 側枠部
54 荷崩防止片
55 錠受具
55a 座部
55b 錠掛部
60 面ファスナ
61 錠
61a シャックル
W 溶着部
1 Bottom plate 2 Basic member 3 Side wall member 4 Lid 5 Upper frame 11 Bottom plate 12 Stopper piece 21 Bottom plate 22 Front plate 23 Rear plate 24 Joining pieces 25, 26, 27 Thermal ruled line 27a Filament tape 28 Engagement notch 28a Finger insertion recess 29 Reinforcing member 31 Side plate 31a Handle hole 32 Joining piece 33 Engaging pieces 34, 35 Thermal ruled line 35a Filament tape 36 Protective member 37 Handle 41 Top plate 42 Joining piece 43 Front flap 43a Lock receiving insertion hole 44 Guard piece 45, 46 Thermal ruled lines 45a, 46a Filament tape 51 Front frame portion 52 Rear frame portion 53 Side frame portion 54 Collapse prevention piece 55 Lock catcher 55a Seat portion 55b Lock hook portion 60 Hook-and-loop fastener 61 Lock 61a Shackle W Welding portion

Claims (3)

底面板(11)を有する底盤(1)と、底敷板(21)を挟んで前面板(22)及び後面板(23)が連なる基本部材(2)と、側面板(31)を有する一対の側壁部材(3)と、天面板(41)を有する蓋(4)と、四角形枠の上部フレーム(5)とから構成される折畳式コンテナであって、
底盤(1)、基本部材(2)、一対の側壁部材(3)及び蓋(4)は、それぞれ無発泡で空洞のない無垢の硬質プラスチック製シートから成り、その材質はポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、アクリル樹脂、ポリカーボネート、ポリ塩化ビニルのいずれかであり、上部フレーム(5)もまたプラスチック製であり、
基本部材(2)には、前面板(22)及び後面板(23)のそれぞれの下端及び上端並びに高さ方向中間部に熱罫線(25,26,27)が入れられ、側壁部材(3)には、上部及び下部に熱罫線(34,35)が入れられ、蓋(4)には、後部及び前部に熱罫線(45,46)が入れられ、
底面板(11)の上面に底敷板(21)が重ね合わされて固着され、基本部材(2)が前面板(22)及び後面板(23)の上方部分での溶着により上部フレーム(5)に取り付けられ、一対の側壁部材(3)が側面板(31)の上方部分での溶着により上部フレーム(5)に取り付けられ、蓋(4)が天面板(41)の後方部分での溶着により上部フレーム(5)に取り付けられ、
組立状態では、側面板(31)の下端に連なる係合片(33)が熱罫線(35)に沿って内側へ折り曲げられ、係合片(33)と底敷板(21)の両側端の係合切欠(28)とが係合し、天面板(41)が熱罫線(45)に沿って折り曲げられることにより蓋(4)が閉じられ、天面板(41)の前端に連なる前フラップ(43)が熱罫線(46)に沿って下方へ折り曲げられ、前フラップ(43)の錠受挿通穴(43a)から錠受具(55)の錠掛部(55b)が突出すると共に、錠受具(55)の座部(55a)が前フラップ(43)により覆い隠され、
折畳状態では、係合片(33)が係合切欠(28)から離脱して、一対の側面板(31)が上部の熱罫線(34)に沿って内側へ折り曲げられることにより跳ね上げられ、前面板(22)及び後面板(23)が下端及び上端の熱罫線(25,26)に沿って内側へ折り曲げられると共に、高さ方向中央部の熱罫線(27)に沿って二つ折りにされることを特徴とする折畳式コンテナ。
A base plate (1) having a bottom plate (11), a base member (2) in which a front plate (22) and a rear plate (23) are connected with a bottom plate (21) in between, and a pair of side plates (31). A collapsible container comprising a side wall member (3), a lid (4) having a top plate (41), and a rectangular upper frame (5),
The base plate (1), the base member (2), the pair of side wall members (3) and the lid (4) are each made of a non-foamed, solid hard plastic sheet without cavities, made of polypropylene, polyethylene, or polyethylene terephthalate. , acrylic, polycarbonate or polyvinyl chloride, the upper frame (5) is also made of plastic,
In the basic member (2), thermal creases (25, 26, 27) are provided at the lower and upper ends of the front plate (22) and the rear plate (23), respectively, and at the middle in the height direction. is thermally lined (34,35) on the top and bottom, the lid (4) is thermally lined (45,46) on the rear and front,
The base plate (21) is superimposed and fixed on the upper surface of the bottom plate (11), and the basic member (2) is attached to the upper frame (5) by welding the upper portions of the front plate (22) and rear plate (23). A pair of side wall members (3) are attached to the upper frame (5) by welding the upper portions of the side plates (31), and the lid (4) is attached to the upper portion by welding the rear portion of the top plate (41). attached to the frame (5),
In the assembled state, the engaging piece (33) connected to the lower end of the side plate (31) is bent inward along the thermal ruled line (35) to engage the engaging piece (33) with both side ends of the bottom plate (21). The joint notch (28) is engaged, and the top plate (41) is folded along the thermal ruled line (45) to close the lid (4), and the front flap (43) continues to the front end of the top plate (41). ) is bent downward along the thermal ruled line (46), and the lock receiving portion (55b) of the lock receiving device (55) protrudes from the lock receiving insertion hole (43a) of the front flap (43). The seat (55a) of (55) is covered by the front flap (43),
In the folded state, the engaging pieces (33) are disengaged from the engaging notches (28), and the pair of side plates (31) are folded inward along the upper thermal ruled lines (34) and flipped up. , The front plate (22) and the rear plate (23) are folded inward along the thermal creases (25, 26) at the lower and upper ends, and are folded in half along the thermal crease (27) at the center in the height direction. A collapsible container characterized by:
前記底盤(1)の底面板(11)には、周囲各辺にそれぞれストッパ片(12)が連設され、底面板(11)からストッパ片(12)が熱曲げにより上方へ折り曲げられ、
前面板(22)及び後面板(23)並びに一対の側面板(31)の外側への揺動がストッパ片(12)により阻止されることを特徴とする請求項1に記載の折畳式コンテナ。
The bottom plate (11) of the bottom plate (1) is provided with stopper pieces (12) on each of the peripheral sides, and the stopper pieces (12) are bent upward from the bottom plate (11) by thermal bending,
2. A collapsible container according to claim 1, characterized in that the front plate (22), the rear plate (23) and the pair of side plates (31) are prevented from swinging outward by stopper pieces (12). .
前記蓋(4)の天面板(41)には、一対の側端辺にそれぞれガード片(44)が連設され、天面板(41)から一対のガード片(44)が熱曲げにより下方へ折り曲げられ、
蓋(4)を閉じたとき、ガード片(44)により天面板(41)と上部フレーム(5)の側枠部(53)の隙間が覆われることを特徴とする請求項1又は2に記載の折畳式コンテナ。
The top plate (41) of the lid (4) is provided with guard pieces (44) connected to a pair of side edges, respectively. folded,
3. A gap between the top panel (41) and the side frame (53) of the upper frame (5) is covered by the guard piece (44) when the lid (4) is closed. collapsible container.
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