Packaging box for cooling

Abstract

Provided is a foldable packaging cooling box capable of converting from a box mode to an unfolded mode or vice versa, comprising: a box body part having a bottom part, a side wall part, and a joint part, the bottom part, the side wall part, and the joint part being configured to be connected to each other and form a single plane in the unfolded mode; and a cooling enhancement part configured to be inserted into the interior of the box and, when the box body part is converted into the box mode, form a hexahedron shape together with the box body part, wherein the cooling enhancement part includes: a reinforced bottom part configured to form a lower surface and face the bottom part of the box body part when converted into the box mode; a reinforced side wall part configured to be connected to the reinforced bottom part and face the side wall part of the box body part; and a reinforced joint part configured to join the reinforced side wall parts, be folded to face itself, and be in close contact with the reinforced side wall parts when converted into the box mode, and wherein the reinforced bottom part, the reinforced side wall part, and the reinforced joint part form a single plane in the unfolded mode.

Description

Technical Field

[0001] The present disclosure relates to a packaging cooling box. Background Art

[0002] Recently, online businesses have boomed, leading to a huge increase in food delivery. For food delivery, packaging boxes are used as in any other regular delivery. As the delivered food has become increasingly diverse, the demand for delivering food that needs to be refrigerated for a long time has increased. In this case, for delivering such refrigerated food, the packaging box needs to be attached with a heat insulation member therein, thereby multiplying the waste of packaging resources. In addition, even when a heat insulation member is attached to the packaging box, the condition of the food often deteriorates when received due to the incomplete cooling function. Therefore, there has been an increasing demand for a packaging box that can replace a disposable packaging box and has an enhanced cooling function.

[0003] In this situation, the inventors of the present disclosure proposed Korean Patent No. 2136639 (hereinafter referred to as "Prior Art Reference"). Despite this prior art reference, as the delivery distance or time increases and the demand for refrigerated food increases, there is an increasing need for a further enhanced cooling function. Therefore, the inventors of the present disclosure have studied a method that can have a dual cooling structure while using the cooling box of the prior art reference as it is. Summary of the Invention

[0004] Technical Objectives

[0005] The present disclosure provides a packaging cooling box having a dual cooling structure. The present disclosure also provides a packaging cooling box that can provide an enhanced cooling structure for vulnerable parts in the box mode, embody the automated cleaning of all components in the unfolded mode, and enable the components to be combined with each other in the portable mode for easy carrying. The technical problems to be solved by the embodiments of the present disclosure are not limited to the above problems, and other technical challenges can be inferred from the following embodiments.

[0006] Technical Solutions

[0007] According to one aspect of achieving the above technical challenges, a foldable packaging cooling box that can be converted from a box mode to an unfolded mode or vice versa is provided, including: a box body portion having a bottom portion, side wall portions, and joining portions, the bottom portion, side wall portions, and joining portions being configured to be connected to each other and form a single plane in the unfolded mode; and a cooling enhancement portion configured to be inserted into the interior of the box body portion and form a hexahedron shape together with the box body portion when the box body portion is converted into the box mode, wherein the cooling enhancement portion includes: a reinforced bottom portion configured to form a lower surface and face the bottom portion of the box body portion when converted into the box mode; reinforced side wall portions configured to be connected to the reinforced bottom portion and face the side wall portions of the box body portion; and reinforced joining portions configured to join the reinforced side wall portions, folded to face themselves and in close contact with the reinforced side wall portions when converted into the box mode, and wherein the reinforced bottom portion, the reinforced side wall portions, and the reinforced joining portions form a single plane in the unfolded mode.

[0008] According to another aspect, the reinforced bottom portion, the reinforced side wall portions, and the reinforced joining portions form a single rectangular shape.

[0009] According to another aspect, the reinforced joining portions each have rounded corners.

[0010] According to another aspect, the reinforced joining portions each face the interior of each joining portion of the box body portion, and when the reinforced joining portions are each folded to face themselves, each folded joining portion of the box body portion can be inserted into the interior of each reinforced joining portion.

[0011] According to another aspect, the packaging cooling box further includes a partition layer that forms a refrigeration space when disposed inside the cooling enhancement portion in the box mode, and the cooling enhancement portion includes an easy-to-bond portion such that when the partition layer is curled downward, the partition layer can be attached to the easy-to-bond portion.

[0012] According to another aspect, the partition layer has an easy-to-bond portion at one end, and the partition layer includes a grid portion that can hold a refrigerant.

[0013] According to another aspect, when the partition layer is curled downward to form a refrigeration space inside, the grid portion is disposed at a surface of the partition layer facing the refrigeration space to keep the refrigeration space at a low temperature.

[0014] Details of other embodiments are included in the detailed description and the drawings.

[0015] Effect

[0016] The packaging cooling box of the present disclosure can form a dual cooling structure by including a cooling enhancement part inside the box body part, thereby maximizing the cooling effect in the internal space of the packaging cooling box.

[0017] In addition, when converted into the box mode, the engaging part can be folded into two layers facing each other, thereby minimizing heat loss in the vulnerable parts.

[0018] In addition, since the box body part and the cooling enhancement part form a single plane in the unfolded mode, it is easy to introduce them into the cleaning device, thereby achieving fully automated cleaning.

[0019] In addition, since the cooling enhancement part can be converted into a portable mode when combined with the box body part, the user can easily grasp or carry the box in its minimized volume.

[0020] The effects of the present invention are not limited to the above effects, and other effects not mentioned can be clearly understood by those of ordinary skill in the art according to the description in the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a perspective view of an embodiment of the box body part constituting the packaging cooling box according to the present disclosure;

[0022] Figure 2 is for Figure 1 the internal view of the template of the box body part;

[0023] Figure 3 is for Figure 1 the external view of the template of the box body part;

[0024] Figure 4 is a perspective view showing the process of assembling the box body part constituting the packaging cooling box of the present disclosure from the unfolded mode to the box mode;

[0025] Figure 5 is a cross-sectional view of an embodiment of the crease part included in the packaging cooling box of the present disclosure in the unfolded mode;

[0026] Figure 6 is a cross-sectional view of an embodiment of the crease part included in the packaging cooling box of the present disclosure in the folded mode;

[0027] Figure 7 is a cross-sectional view of an embodiment of the side wall part included in the packaging cooling box of the present disclosure;

[0028] Figure 8 is the internal view of the template according to an embodiment of the cooling enhancement part constituting the packaging cooling box of the present disclosure;

[0029] Figure 9 is an external view of a template for a cooling enhancement portion for Figure 8 ;

[0030] Figure 10 is a perspective view showing the process of inserting and assembling the cooling enhancement portion that constitutes the packaged cooling box of the present disclosure into the box body portion in the unfolded mode;

[0031] Figure 11 is a perspective view showing an embodiment of the cooling enhancement portion that has been fully inserted into the box body portion during the assembly of the packaged cooling box of the present disclosure into a box;

[0032] Figure 12 is a perspective view showing the insertion of a partition during the assembly of the packaged cooling box of the present disclosure into a box;

[0033] Figure 13 is a perspective view showing an embodiment of the partition that has been fully inserted during the assembly of the packaged cooling box of the present disclosure into a box;

[0034] Figure 14 is a first template showing an embodiment of the partition that constitutes the packaged cooling box of the present disclosure;

[0035] Figure 15 is a second template showing an embodiment of the partition that constitutes the packaged cooling box of the present disclosure;

[0036] Figure 16 is a cross-sectional view showing an embodiment of the partition that has been fully inserted into the packaged cooling box of the present disclosure;

[0037] Figure 17 is a cross-sectional view showing another embodiment of the partition that has been fully inserted into the packaged cooling box of the present disclosure;

[0038] Figure 18 shows the cleaning of the box body portion and the cooling enhancement portion that constitute the packaged cooling box of the present disclosure in the unfolded mode;

[0039] Figure 19 is a perspective view showing the first step of assembling the packaged cooling box of the present disclosure from the unfolded mode to the portable mode;

[0040] Figure 20 is a perspective view showing the second step of assembling the packaged cooling box of the present disclosure from the unfolded mode to the portable mode; and

[0041] Figure 21 is a perspective view showing the packaged cooling box of the present disclosure that has been fully assembled into the portable mode. Detailed Description

[0042] While taking into account the functions obtained according to the present disclosure, terms used in the embodiments are selected from the generally used terms currently in wide use as much as possible. However, based on the intentions of those skilled in the art, conventions, the emergence of new technologies, etc., these terms may be replaced by other terms. Additionally, in certain cases, terms arbitrarily selected by the applicant of the present disclosure may be used. In such cases, the meanings of these terms may be described in the corresponding description part of the present disclosure. Therefore, it should be noted that the terms used herein should be interpreted based on their actual meanings and the entire content of this specification, rather than merely based on the names of the terms.

[0043] As used herein, the terms "module" and "part" for the components of the present disclosure are merely used for ease of preparing the specification or used interchangeably, and do not have different meanings, and each of them does not function alone. In addition, regarding the description of exemplary embodiments of the present disclosure, when it is determined that such a description may confuse the essence of the exemplary embodiments included in the present disclosure, the detailed description of related known technologies may be omitted. In addition, the drawings are only for making it easy to understand the embodiments included in the present disclosure, and the technical idea of the present disclosure is not limited thereto, and they should be interpreted as including all modifications, equivalents, and substitutions involved in the idea and technical scope of the present disclosure.

[0044] Terms including ordinal numbers such as "first" and "second" may be used to describe different components, but are not limited thereto. These terms are only used to distinguish one element from another.

[0045] Throughout the specification, when an element is referred to as "joined" or "connected to" another element, the two different elements may be directly joined or connected to each other, but there may also be another element between them. On the other hand, when an element is referred to as "directly joined" or "directly connected to" another element, it should be understood that there are no other elements between them.

[0046] As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form.

[0047] As used herein, the term "comprising" or "having" is intended to mean that there may be features, numbers, steps, operations, components, parts, or combinations thereof disclosed in the present disclosure, but it should not be understood as excluding the existence of one or more other features, numbers, steps, operations, components, parts, or combinations thereof, or the possibility of adding one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0048] The expression "at least one of A, B, and C" may include the following meanings: A alone; B alone; C alone; A and B together; A and C together; B and C together; and all of A, B, and C together.

[0049] In the following description, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily implement the present disclosure. The present disclosure can be embodied in many different forms and is not limited to the embodiments described herein.

[0050] Hereinafter, exemplary embodiments of the present disclosure will be described with reference to the accompanying drawings.

[0051] Figure 1 is a perspective view of an embodiment of a box body portion constituting a packaging cooling box according to the present disclosure; Figure 2 is an internal view of a template for the box body portion; Figure 3 is an external view of a template for the box body portion.

[0052] The packaging cooling box 10 of the present disclosure is composed of a box body portion 100 and a cooling enhancement portion 500.

[0053] First, reference will be made to Figures 1 to 3 to explain the box body portion 100. The box body portion 100 has: a first side wall portion 110; a second side wall portion 120; a third side wall portion 130; and a fourth side wall portion 140; a bottom portion 150, which is formed to be connected to the side wall portions 110, 120, 130, 140 and forms the lower surface of the packaging cooling box 10 when assembled into a box mode; and a lid portion 160, which is formed to be connected to the fourth side wall portion 140 and forms the upper surface of the packaging cooling box 10 when assembled into a box mode. The lid portion 160 faces the bottom portion 150 when assembled into a box mode.

[0054] The first side wall portion 110 is arranged to face the third side wall portion 130 when assembled into a box mode, and the second side wall portion 120 is arranged to face the fourth side wall portion 140 connected to the lid portion 160 when assembled into a box mode. In addition, the second side portion 120 is arranged to be adjacent to the first side wall portion 110 and the third side wall portion 130 when assembled into a box mode. The fourth side wall portion 140 is arranged to be adjacent to the first side wall portion 110 and the third side wall portion 130 when assembled into a box mode.

[0055] Since the side wall portions 110, 120, 130, 140, the bottom portion 150, and the lid portion 160 are constructed to be connected in this way, it is easier to convert the packaging cooling box from the unfolded mode in which the box is unfolded into the box mode. In the box mode, a space for accommodating food can be provided therein.

[0056] The lid portion 160 may further have flaps 161, 162, 163. The flaps 161, 162, 163 may be formed to be continuous along the remaining sides of the lid portion 160 except for the side connected to the fourth side wall portion 140. The easy - adhesion portion 300 may be provided on at least one of the flaps 161, 162, 163. The arrangement and shape of the easy - adhesion portion 300 will be described in detail below.

[0057] The joint portion 200 is provided between the side wall portions 110, 120, 130, 140. The joint portion 200 is provided between any two adjacent side wall portions among the above - mentioned side wall portions. The joint portion 200 may be configured to be connected to any two adjacent side wall portions among the above - mentioned side wall portions in the deployed mode. The joint portion 200 may be configured to be integrally connected to the adjacent sides constituting two adjacent side wall portions among the above - mentioned side wall portions in the deployed mode.

[0058] Specifically, the first joint portion 210 may be configured to be integrally connected to the adjacent sides respectively included in the first side wall portion 110 and the fourth side wall portion 140. The second joint portion 220 may be configured to be integrally connected to the adjacent sides respectively included in the first side wall portion 110 and the second side wall portion 120. The third joint portion 230 may be configured to be integrally connected to the adjacent sides respectively included in the third side wall portion 130 and the second side wall portion 120. Moreover, the fourth joint portion 240 may be formed to be integrally connected to the adjacent sides respectively constituting the third side wall portion 130 and the fourth side wall portion 140.

[0059] The specific structure and function of the joint portion 200 will be described in detail below.

[0060] Reference Figure 2 , the crease portion 400 may be provided at the position where the bottom portion 150 meets the side wall portions 110, 120, 130, 140 of the box body portion 100 constituting the packaged cooling box 10 of the present disclosure. As will be explained later, the crease portion 400 may also be provided in the cooling enhancement portion 500 of the packaged cooling box 10 of the present disclosure.

[0061] The first crease portion 410 may be provided at the position where the bottom portion 150 meets the first side wall portion 110 or the third side wall portion 130. The second crease portion 420 may be provided at the position where the bottom portion 150 meets the second side wall portion 120 or the fourth side wall portion 140. The first crease portion 410 and the second crease portion 420 may be formed to be connected to each other around the edge of the bottom portion 150.

[0062] The third crease portion 430 may be provided at a position where the lid portion 160 abuts the fourth sidewall portion 140. The second crease portion 420 and the third crease portion 430 may be formed in parallel at positions where the bottom portion 150 and the lid portion 160 abut the fourth sidewall portion 140.

[0063] The specific structure and function of the crease portion 400 will be described in detail below.

[0064] Refer to Figure 2 and Figure 3 and, the box body portion 100 of the packaging cooling box 10 constituting the present disclosure includes an easy-to-bond portion 300. As will be explained later, the easy-to-bond portion 300 including four easy-to-bond portions 310, 320, 330, and 340 may also be provided in the cooling enhancement portion 500 of the packaging cooling box 10 constituting the present disclosure.

[0065] Here, the easy-to-bond portion 300 is a member that can be repeatedly attached and detached for bonding purposes. The easy-to-bond portion uses a bonding method by which one surface abuts another surface to attach or separate from each other. In an embodiment, the easy-to-bond portion may include Velcro.

[0066] Specifically, when assembled in the box mode, the easy-to-bond portion 310 may attach the folded joint portion 200 to the sidewall portion. The easy-to-bond portion 310 provided on the first joint portion 210 or the fourth joint portion 240 functions to attach and detach from the easy-to-bond portion 310 provided on the fourth sidewall portion 140. In addition, the easy-to-bond portion 310 provided on the second joint portion 220 or the third joint portion 230 functions to attach and detach from the easy-to-bond portion 310 provided on the second sidewall portion 120.

[0067] In addition, during the assembly in the box mode, when the joint portion 200 is folded, the easy-to-bond portion 320 may bond the opposing faces. The easy-to-bond portion 320 provided on the first joint portion 210 to the fourth joint portion 240 functions to attach and detach the faces that become opposed to each other when each joint portion is folded.

[0068] In addition, during the assembly in the box mode, the easy-to-bond portions 330, 340 may bond the lid portion 160 to the sidewall portion. The easy-to-bond portion 330 may be provided on the flaps 161, 162, 163 integrally connected to the lid portion 160. At the same time, the easy-to-bond portion 340 may be formed on the upper portion of the sidewall portion. The easy-to-bond portion 340 may be provided on the upper portions of the first sidewall portion 110, the second sidewall portion 120, and the third sidewall portion 130, each corresponding to the easy-to-bond portion 330 provided on the flaps 161, 162, 163.

[0069] In addition, as will be described later Figure 12 As shown, the easily bondable portions 350, 360 are provided inside any one of the side wall portions to bond the partition layer 170 thereto. The easily bondable portion 350 may be vertically provided on the first side wall portion 110 or the third side wall portion 130, and at the same time, the easily bondable portion 360 may be provided at both ends of the partition layer 170.

[0070] As will be explained later, the partition layer 170 may also be bonded to the inside of the cooling enhancement portion 500 that constitutes the packaging cooling box 10 of the present disclosure. In other words, when the cooling enhancement portion 500 is inserted into the box body portion 100, the partition layer 170 may be provided inside any one of the side wall portions of the cooling enhancement portion 500.

[0071] The specific transformation process and functions of the partition layer 170 will be described in detail below.

[0072] Referring to Figure 3 , the handle 164, the label 165, and the invoice attachment 166 may be provided on the outside of the lid portion 160.

[0073] The handle 164 is located at the center of the lid portion 160 so that when the user lifts the packaging box 10 in the box mode, the gripping force is evenly applied and the load is prevented from sliding to one side.

[0074] The label 165 may include a barcode label with delivery information. Thus, since the label 165 is provided on the outside of the lid portion 160, the information can be easily checked during the delivery process in the box mode by a barcode scanner or the like.

[0075] In addition, the invoice attachment 166 may be provided such that an invoice can be inserted therein. The invoice attachment 166 is made of a plastic wrapper to facilitate the insertion, verification, and removal of the invoice, so that the remaining portion other than the insert (indicated by the dashed line in Figure 3 ) can be sewn to the lid portion 160.

[0076] According to Figure 3 's embodiment, the label 165 may be separately provided at a position different from the invoice attachment 166. Instead, the label 165 may be provided to be included in the invoice attachment 166.

[0077] Figure 4 is a perspective view showing the process of assembling the box body portion that constitutes the packaging cooling box of the present disclosure from the unfolded mode to the box mode.

[0078] Referring to Figure 4 , the packaging cooling box 10 or the box body portion 100 that constitutes it may be in the unfolded mode of the box unfolded (seeFigure 2 )Convert to the box mode that provides a space for accommodating food (see Figure 1 ) or vice versa.

[0079] The side wall portions 110, 120, 130, 140, the bottom portion 150, and the lid portion 160 that form a hexahedron in the box mode are configured to be unfolded into a single plane in the unfolded mode. The adjacent sides of the side wall portions that are positioned to be adjacent to each other in the box mode are separated from each other in the unfolded mode. The engaging portions 200 are formed in these spaces, and the side wall portions 110, 120, 130, 140 that are joined together with the bottom portion 150 as the center can thus form a single rectangular shape as a whole.

[0080] Specifically, the first side wall portion 110 and the fourth side wall portion 140 each have adjacent sides: their adjacent sides are joined together in the box mode and are separated when the packaging cooling box is converted to the unfolded mode. In order to join together such separated adjacent sides, the first engaging portion 210 is formed. In the unfolded mode, the first engaging portion 210 and the first side wall portion 110 and the fourth side wall portion 140 form a single plane. In this way, the second engaging portion 220, the third engaging portion 230, and the fourth engaging portion 240 can each form a single plane together with the corresponding adjacent side wall portions.

[0081] Therefore, a shape can be provided such that when the box body portion 100 is converted to the unfolded mode and then introduced into the cleaning device, complete cleaning can be achieved and the obstacles during the implementation of cleaning automation can be minimized. The advantages generated by the cleaning device of the present disclosure will be further explained later.

[0082] On the other hand, the engaging portions 200 can each have a rounded corner. For example, the first engaging portion 210 is configured to engage with the first side wall portion 110 and the fourth side wall portion 140, and the remaining portions of its edges can be rounded. In this way, the second engaging portion 220, the third engaging portion 230, and the fourth engaging portion 240 are each configured to engage with the corresponding adjacent side wall portions, and the remaining portions of their edges can be rounded. Therefore, the side wall portions 110, 120, 130, 140 that are joined together with the bottom portion 150 as the center can integrally form a circular single rectangular shape with the engaging portions 200. Therefore, the user can easily manipulate the box body portion 100 in the unfolded mode, and cleaning automation can be smoothly performed.

[0083] Reference Figure 4, the joint portion 200 can be configured to be folded when transitioning from the unfolded mode to the box mode. In other words, even when converted to the box mode, the joint portion 200 can maintain a physical connection with the adjacent side wall portions. In the box mode, the areas where the adjacent sides of the side wall portions meet are prone to losses due to heat leakage or heat inflow (collectively referred to as "heat loss" hereinafter). By configuring the joint portion 200 to be joined to the side wall portions, heat loss can be effectively prevented.

[0084] In this way, the joint portion 200 provided in the box body portion 100 of the present disclosure functions such that cleaning can be smoothly performed by the cleaning device in the unfolded mode, and they also function in the box mode such that heat loss in the vulnerable parts can be prevented to enhance the overall cooling function.

[0085] Reference Figure 4 , when assembled into the box mode, the unfolded first side wall portion 110 and the second side wall portion 120 stand upright such that the adjacent sides of each side wall portion come close to each other. At this time, the second joint portion 220 joined to the adjacent sides will form a diagonal crease therein, and the second joint portion 220 will overlap itself along the diagonal crease. The second joint portion 220 folded to face itself stands completely upright to be in close contact with the inside of the first side wall portion 110 or the second side wall portion 120. This transformation can also be performed in the first joint portion 210, the third joint portion 230, and the fourth joint portion 240 in the same manner. In addition, this transformation can be performed on the first joint portion 210, the third joint portion 230, and the fourth joint portion 240 simultaneously.

[0086] In addition, when the packaging cooling box is converted from the unfolded mode to the box mode, an easily adhesive portion 300 can be provided such that the joint portion 200 can be maintained in the folded position, and the folded joint portion 200 can remain close to the side wall portion. In other words, when the joint portion 200 is folded, the two opposite faces can be adhered to each other by the provided easily adhesive portion 300, and the folded joint portion 200 becomes in close contact with the side wall portion and can be adhered thereto.

[0087] Specifically, reference Figure 4 , when the second joint portion 220 is folded, the two opposite faces can be adhered to each other by the easily adhesive portion 320 provided outside the second joint portion 200.

[0088] In an embodiment, the easily adhesive portions 323 for bonding the second joining portion 220 of the fold may be formed in the second joining portion 220 along the side surfaces of the second joining portion 220 adjacent to the side wall portions to be symmetric with each other. In this way, since the easily adhesive portions 323 are formed along the side surfaces adjacent to the side wall portions corresponding to the above-mentioned vulnerable parts, the thermal efficiency can be improved and a stable box mode can be maintained.

[0089] In yet another embodiment, the easily adhesive portions 321 may be formed along the edges of the second joining portion 220 to be symmetric with each other. Since the easily adhesive portions 323 are supplemented, the second joining portion 220 can be in close contact with the side wall portion to maintain a more stable attachment thereto.

[0090] On the other hand, referring to Figure 4 , the folded fourth joining portion 240 has an easily adhesive portion 310 to be attached to the fourth side wall portion 140. The fourth side wall portion 140 has an easily adhesive portion 311 at the top, and the inside of the fourth joining portion 240 has a corresponding easily adhesive portion 321. In other words, the easily adhesive portion 321 is provided on a part of the inner edge of the fourth joining portion 240, and when converted into the box mode, the fourth side wall portion 140 is close to the inner edge of the fourth joining portion. Since the folded joining portion is adhered to the side wall portion through the easily adhesive portion 310 in the box mode, a space for accommodating food can be ensured in the packaging cooling box without any hindrance.

[0091] The easily adhesive portions 310, 320 having such a configuration or shape may be provided on the four joining portions 210, 220, 230, 240 in the same manner. In addition, when converting the packaging cooling box into the box mode, this adhesion process can be carried out in the four joining portions 210, 220, 230, 240 in the same manner. In this way, the four joining portions 200 located between the side wall portions have the easily adhesive portions 310, 320, so that they can be folded on themselves and maintain their shape when converting the packaging cooling box into the box mode, and the folded joining portions 200 can be adhered to the inside of the side wall portions, thereby reducing the heat loss caused by the gaps between the side wall portions and firmly maintaining the shape of the box.

[0092] In this way, the box body portion 100 constituting the packaging cooling box of the present disclosure can be easily converted from the unfolded mode to the box mode or vice versa, and minimize the heat loss in the vulnerable parts substantially associated with this conversion. In addition, full-automatic cleaning can be achieved in the unfolded mode, thereby significantly improving the recyclability of the packaging box. Therefore, the packaging cooling box can replace the disposable packaging box, thereby reducing the waste associated with the exponentially growing distribution demand. Specifically, for the distributed food that requires a cooling function, the recycling of the distribution packaging box can also be achieved.

[0093] Figure 5 is a cross-sectional view of an embodiment of a crease portion included in the packaged cooling box of the present disclosure in the unfolded mode; Figure 6 is a cross-sectional view of an embodiment of a crease portion included in the packaged cooling box of the present disclosure in the folded mode; Figure 7 is a cross-sectional view of an embodiment of a side wall portion included in the packaged cooling box of the present disclosure.

[0094] The cross-sectional structures of the crease portion 400 and the side wall portion described below can be applied to the box body portion 100 or the cooling enhancement portion 500 that constitutes the packaged cooling box 10 of the present disclosure.

[0095] will be referred to Figures 5 to 7 to explain the crease portion 400 provided in the box body portion 100. In the box mode, the side wall portions 110, 120, 130, 140, the bottom portion 150, and the lid portion 160 that form a hexahedron have a foam board 11. The foam board 11 can maintain a flat shape and is made of a heat-insulating material for cooling, for example, made of expanded polypropylene (EPP).

[0096] An inner cover 12 and an outer cover 13 can be provided to enclose the foam board 11. The inner cover 12 can be made of silver or foil for heat insulation or cooling. The outer cover 13 can protect the foam board 11 located inside from being torn due to external reasons and is made of a waterproof tarp.

[0097] Figure 7 shows a cross-sectional view of the upper part of the second side wall portion 120, in which the easily bondable portions 311, 321 are located. Referring to Figure 7 , the easily bondable portions 311, 321 can be respectively attached to the surfaces of the inner cover 12 and the outer cover 13 opposite to the foam board 11.

[0098] The crease portion 400 can be provided between the side wall portions 110, 120, 130, 140 and the bottom portion 150, and between the fourth side wall portion 140 and the lid portion 160 ( Figure 2 ). Referring to Figure 5 and Figure 6 , the crease portion 400 can include grooves spaced apart at a predetermined interval (D1). The crease portion 400 in which the grooves are formed has only the inner cover 12 and the outer cover 13 and no foam board 11. The crease portion 400 in which the grooves are formed can be configured to have a thickness narrower than the thickness (D2) of the portion including the foam board 11.

[0099] During the conversion to the box mode, the side wall portions 110, 120, 130, 140 can be easily erected from the bottom portion 150, and the lid portion 160 can also be easily folded from the fourth side wall portion 140 because the foam boards 11 are separated from each other on the crease portion 400.

[0100] In addition, the crease portion 400 has grooves formed therein so that contaminants in the crease portion 400 can be completely removed when cleaning is performed after conversion to the unfolded mode. The contamination of the bottom portion 150 is caused by a part of the food that is accommodated in the box mode but leaks from it. Specifically, the contaminants may harden in the crease portions 410, 420 located along the edge of the bottom portion 150 and are not easily removed even in a cleaning device. Since the crease portion 400 has grooves formed therein and spaced apart at a predetermined interval, even when the side wall portions 110, 120, 130, 140 are erected from the bottom portion 150 by converting to the box mode, a small gap can be ensured, and the introduced contaminants can thus be easily removed by the cleaning device without hardening.

[0101] Figure 8 is an internal view of a template according to an embodiment of a cooling enhancement portion constituting the packaging cooling box of the present disclosure; Figure 9 is an external view of a template for the cooling enhancement portion; Figure 10 is a perspective view showing the process of inserting the cooling enhancement portion into the box body portion and assembling it together in the unfolded mode; Figure 11 is a perspective view showing an embodiment of the cooling enhancement portion that has been completely inserted into the box body portion.

[0102] The packaging cooling box 10 of the present disclosure includes a cooling enhancement portion 500 that is inserted into the interior of the box body portion 100 to achieve a dual cooling structure.

[0103] The cooling enhancement portion 500 has: a first enhanced side wall portion 511; a second enhanced side wall portion 512; a third enhanced side wall portion 513; a fourth enhanced side wall portion 514; and an enhanced bottom portion 515 that is formed to be connected to the enhanced side wall portions 511, 512, 513, 514 and forms a lower surface when the cooling enhancement portion 500 is inserted into the interior of the box body portion 100 when converting to the box mode.

[0104] In addition, when the cooling enhancement part 500 is inserted into the interior of the cartridge part 100 when converting to the cassette mode, the enhanced bottom part 515 forms a facing relationship with the bottom part 150 of the cartridge part, and the four enhanced side wall parts 511, 512, 513, 514 respectively form a facing relationship with the four side wall parts 110, 120, 130, 140 of the cartridge part.

[0105] An enhanced joint part 520 is provided between the enhanced side wall parts 511, 512, 513, 514. The enhanced joint part 520 is provided between any two adjacent enhanced side wall parts among the enhanced side wall parts. The enhanced joint part 520 can be configured to be connected to any two adjacent enhanced side wall parts in the unfolded mode. The enhanced joint part 520 can be configured to be integrally connected to the adjacent sides constituting two adjacent side wall parts among the enhanced side wall parts in the unfolded mode.

[0106] Specifically, the first enhanced joint part 521 can be configured to be integrally connected to the adjacent sides respectively included in the first enhanced side wall part 511 and the fourth enhanced side wall part 514. The second enhanced joint part 522 can be configured to be integrally connected to the adjacent sides respectively included in the first enhanced side wall part 511 and the second enhanced side wall part 512. The third enhanced joint part 523 can be configured to be integrally connected to the adjacent sides respectively included in the third enhanced side wall part 513 and the second enhanced side wall part 512. Moreover, the fourth enhanced joint part 524 can be formed to be integrally connected to the adjacent sides respectively constituting the third enhanced side wall part 513 and the fourth enhanced side wall part 514.

[0107] The enhanced bottom part 515, the enhanced side wall parts 511, 512, 513, 514 and the enhanced joint parts 521, 522, 523, 524 form a single plane in the unfolded mode. Thus, advantageously, it becomes easy to introduce it into the cleaning device, thereby realizing the cleaning automation of the cooling enhancement part 500 by the same device for cleaning the cartridge part 100.

[0108] The enhanced joint part 520 is formed such that the enhanced side wall parts 511, 512, 513, 514 joined together with the enhanced bottom part 515 as the center can form a single rectangular shape. Such a shape can be provided: when the packaging cooling cartridge 10 is converted to the unfolded mode and then introduced into the cleaning device, complete cleaning can be achieved and the obstacles during cleaning automation can be minimized.

[0109] The enhanced joint portions 520 may each have a rounded corner. In the case where the enhanced joint portions 520 have rounded corners, the enhanced side wall portions 511, 512, 513, 514 joined together with the enhanced bottom portion 515 as the center may form a circular single rectangular shape. Therefore, the user can easily manipulate the cooling enhancement portion 500 in the deployed mode, and the cleaning automation can be smoothly performed. More descriptions about the cleaning automation will be given below.

[0110] When converting the cooling enhancement portion 500 from the deployed mode to the cartridge mode, the enhanced joint portions 520 may be folded to face themselves. At the same time, the enhanced joint portions 520 are configured to contact the adjacent enhanced side wall portions. If the cooling enhancement portion 500 is inserted into the interior of the cartridge portion 100 and converted to the cartridge mode, as the interior of the joint portion 200 of the enhanced joint portion 520 faces the interior of the cartridge portion 200 and the enhanced joint portion 520 is about to be folded to face itself, the folded joint portion 200 of the cartridge portion can be inserted therein. Therefore, the heat loss in the vulnerable parts can be minimized by folding the joint portion into two layers.

[0111] In this way, the cooling enhancement portion 500 can be converted from the deployed mode to the cartridge mode together with the cartridge portion 100, as previously explained. In other words, the cooling enhancement portion 500 can be inserted into the interior of the cartridge portion 100 in the deployed mode for cleaning etc., and can be converted to the cartridge mode for forming a double cooling structure, or vice versa.

[0112] The cooling enhancement portion 500 may include an easily adhesive portion. Referring to Figure 8 and Figure 9 , the easily adhesive portion may be provided inside or outside the cooling enhancement portion 500.

[0113] Specifically, the first enhanced side wall portion 511 or the third enhanced side wall portion 513 constituting the interior of the cooling enhancement portion 500 may include an easily adhesive portion 531 which is vertically provided in the cartridge mode. In addition, the enhanced bottom portion 515 may also include an easily adhesive portion 532. A plurality of the easily adhesive portions 532 may be formed at a predetermined interval, so that it is possible to freely determine where to fix one end of the partition layer 170. Embodiments depending on where the partition layer 170 is fixed will be described in detail later.

[0114] In addition, easily adhesive portions 533 may be provided at both ends of the cooling enhancement portion 500. The easily adhesive portions 533 may be attached to the easily adhesive portions of the cartridge portion 100 to convert to the portable mode. The process of how to attach the cooling enhancement portion 500 in the portable mode will be described in detail later.

[0115] In this way, the cooling enhancement part 500 can be inserted into the interior of the cartridge part 100, and then the dual cooling structure can be easily and effectively realized. By inserting the cooling enhancement part 500, compared with a single-layer packaging cooling box, the cooling effect of the interior space of the packaging cooling box can be maximized. By referring to the prior art proposed by the inventors of the present disclosure, the dual cooling structure can also be effectively realized.

[0116] Figure 12 is a perspective view showing the insertion of the partition during the assembly of the packaging cooling box of the present disclosure into a cartridge; Figure 13 is a perspective view showing an embodiment of the partition that has been fully inserted; Figure 14 is a first template showing an embodiment of the partition constituting the packaging cooling box of the present disclosure; Figure 15 is a second template showing an embodiment of the partition; Figure 16 is a cross-sectional view showing an embodiment of the partition that has been fully inserted into the packaging cooling box of the present disclosure; and Figure 17 is a cross-sectional view showing another embodiment of the partition that has been fully inserted.

[0117] Referring to the above drawings, the packaging cooling box 10 may include a partition 170 to divide the interior space in the cartridge mode into a refrigeration space S1 and a room temperature space S2.

[0118] Referring to Figure 14 and Figure 15 , in the unfolded state, the partition 170 may be composed of a single plane. The partition 170 may have a rectangular shape, but may be formed with rounded corners to facilitate manipulation by the user.

[0119] The partition 170 may include a grid portion 180. The grid portion 180 forms a refrigerant holding portion S3 that can hold the refrigerant. For example, the refrigerant may be filled in an ice pack. By providing the grid portion or the like, the partition 170 can hold the refrigerant in a fixed position and can fix the refrigerant on one surface of the partition 170 facing the refrigeration space S1. Specifically, the grid portion 180 may be provided on one surface of the partition facing the refrigeration space S1 such that when the partition 170 is curled downward ( Figure 16 and Figure 17 ) and the refrigeration space S1 is formed inside, the refrigeration space S1 can be maintained at a low temperature condition.

[0120] The partition 170 may have easy-to-bond portions 361, 362 at both ends. The partition 170 may be along the longitudinal direction ( Figure 14curls in the horizontal direction). The partition 170 may be configured such that when it curls downward, the easily adhesive portions 361 and 362 provided at both ends thereof may contact a surface. Accordingly, a separate space is formed inside the curled partition 170, and the cooling capacity is enhanced by the double heat insulation walls in this space. Thus, an environment is provided in which this space can be used as a refrigeration space S1. In other words, the refrigeration space S1 has double heat insulation walls generated by the partition 170 and the hexahedron of the packaging box 10, thereby preventing heat loss and enabling refrigerated foods to be stored for a long time. Meanwhile, by providing the grid portion 180, the refrigerant can be fixed at a position facing the refrigeration space S1, thereby stably maintaining a low temperature state.

[0121] On the other hand, the space outside the partition 170 but inside the hexahedron of the packaging box 10 can be used as a room temperature space S2 suitable for long-term storage of room temperature foods. By providing the partition 170 therein, the packaging box 10 can have a space for storing refrigerated foods for a long time under optimal conditions and a space for storing room temperature foods inside at the same time.

[0122] In an embodiment where the partition 170 is attached, referring to Figure 16 , the partition 170 may curl downward such that the easily adhesive portion 361 provided at one end thereof and the easily adhesive portion 362 provided at the other end thereof may be attached to the easily adhesive portion 531 provided inside the cooling enhancement portion 500 at the same time. In an embodiment, the easily adhesive portions may be provided at one end of the front portion of the partition 170 ( Figure 15 the first template), and at the same time at the other end of the back portion ( Figure 16 the second template). The two easily adhesive portions may be attached to the upper end or the lower end of the easily adhesive portion 531 included in the enhanced side wall portion of the cooling enhancement portion 500, respectively.

[0123] In yet another embodiment, referring to Figure 17 , the two easily adhesive portions of the partition 170 may be attached to the easily adhesive portion 532 included in the enhanced bottom portion of the cooling enhancement portion 500 or the easily adhesive portion 531 included in the enhanced side wall portion, respectively.

[0124] In this way, the enhanced bottom portion further includes the easily adhesive portion 532 over the entire width, so that it is possible to freely determine where to fix one end of the partition 170, thereby ensuring a refrigeration space S1 having the size or shape desired by the user. In other words, the refrigeration space S1 can be freely partitioned considering the shape and size of the refrigerated foods to be accommodated.

[0125] Furthermore, referring to Figure 12 and Figure 13, during the period when the user divides the food into refrigerated food and room-temperature food and stores them in the packaging box 10, he / she can first place the refrigerated food while attaching one end of the partition 170 to the lower end of the easily adhesive part 350, and then attach the other end of the partition 170 to the upper end of the easily adhesive part 350. Once the partition 170 is completely attached, the user can place the room-temperature food in the remaining space separated by the partition 170 to complete the storage of the contents, and immediately cover the lid part 160, thus making the state ready for distribution. In this way, the easily adhesive parts 360 provided at both ends of the partition 170 can separate the space through a quick and easy process and accommodate the food suitable for each corresponding space under optimal conditions.

[0126] Figure 18 Shows the cleaning of the box body part and the cooling enhancement part that constitute the packaging cooling box of the present disclosure in the unfolded mode.

[0127] Reference Figure 18 , the box body part 100 and the cooling enhancement part 500 are constructed such that they can be unfolded into a single plane in the unfolded mode, and the unfolded box body part 100 and the cooling enhancement part 500 can be introduced into the cleaning device M to implement automated cleaning.

[0128] The cleaning device M is constructed such that when the box body part 100 and the cooling enhancement part 500 in the unfolded mode pass through the cleaning device M in a specific direction ( Figure 18 the arrow direction in), the inner surface and the outer surface of the unfolded part can be automatically cleaned. At this time, when the box body part 100 and the cooling enhancement part 500 are in a single plane and have a simple shape (such as a rectangle), the cleaning process can become easy and complete. For a single plane with a complex shape (such as a cross shape or a shape with protrusions), obstacles during the implementation of automated cleaning will increase, such as blockages during the cleaning process.

[0129] In other words, if the joining part 200 and the enhanced joining part 520 are not provided, and thus in the unfolded mode of the box body part 100 and the cooling enhancement part 500, the adjacent sides of the side wall part are formed to be separated from each other, then the first side wall part 110 and the enhanced side wall part 510 will act as protrusions during the introduction into the cleaning device and deteriorate the cleaning process.

[0130] In this way, the box body part 100 and the cooling enhancement part 500 according to the present disclosure have a joining part and an enhanced joining part that are respectively joined to the adjacent side wall part and the enhanced side wall part to simplify the shape in the unfolded mode to a rectangle, thereby achieving perfect cleaning optimized for the cleaning device M.

[0131] Figure 19is a perspective view showing a first step of assembling the packaging cooling box of the present disclosure from an unfolded mode to a portable mode; Figure 20 shows the second step; and Figure 21 is a perspective view showing the packaging cooling box that has been fully assembled into the portable mode.

[0132] The packaging cooling box 10 according to the present disclosure can be converted into a portable mode. The packaging cooling box 10 in this portable mode can be utilized, for example, when the delivery is completed, to take out the contents from the packaging box, and then it is necessary to minimize its volume and size to send it back to the transportation company.

[0133] Now, the process of converting from the unfolded mode to the portable mode regarding the box body part 100 and the cooling enhancement part 500 constituting the packaging cooling box 10 will be explained.

[0134] In the first step, referring to Figure 19 , the cooling enhancement part 500 can be combined with the box body part 100. In other words, based on the exterior of the cooling enhancement part 500 ( Figure 9 ), the easily bondable parts 533 formed at the upper and lower ends can be attached to one of the easily bondable parts 311b formed on the upper end parts of the second side wall part 120 to the fourth side wall part 140 of the box body part 100.

[0135] The easily bondable part 311b can be provided across the entire width of the second side wall part 120 or the fourth side wall part 140 from one side to the other side. That is to say, the easily bondable part 311 provided on the second side wall part 120 or the fourth side wall part 140 can be configured to extend to the middle part of the second side wall part 120 or the fourth side wall part 140, beyond the part corresponding to the joint part that can be attached or separated from itself, or be configured to be connected at the middle part.

[0136] According to the attachment structure of the partition layer 170 to be explained later, the partition layer 170 can be attached to the easily bondable part 311b of the second side wall part 120, and preferably, the cooling enhancement part 500 can be attached to the easily bondable part 311b of the fourth side wall part 140.

[0137] According to the above embodiment, the easily bondable part 533 provided at one end of the cooling enhancement part 500 can be attached to the easily bondable part 311b of the fourth side wall part 140 during the conversion to the portable mode. Although the joint part is folded inward, a part of the easily bondable part 311b can be exposed in the extended middle part, and the cooling enhancement part 500 can be fixed to the exposed part of the easily bondable part 311 and can be firmly accommodated without falling off in the portable mode.

[0138] In the second step, referring to Figure 20 , the first side wall portion 110 and the third side wall portion 130 together with the adjacent first to fourth joint portions 210 to 240 are folded inward, while the cooling enhancement portion 500 is attached to the box body portion 100. Next, the separated partition 170 is placed at the location where the first side wall portion 110, the third side wall portion 130, etc. are folded inward. At this time, one end of the partition 170 can be attached to the second side wall portion 120. Then, the second side wall portion 120 is folded inward. Then, the lid portion 160 is folded inward, and the easy-to-bond portion 333 provided on the flap 163 is attached to the bonding portion 343 provided outside the second side wall portion 120.

[0139] Referring to Figure 21 , the upper part of the packaging box 10 completely converted into the portable mode still has a handle 164 located at the center of the lid portion 160 and exposed from the center, and thus the user can easily grasp the handle 164 to move the packaging box 10.

[0140] On the other hand, the fixing function of the partition 170 in the portable mode will be explained in detail as follows: The easy-to-bond portion 311b can be provided on the fourth side wall portion 140 over its entire width from one side to the other side. That is, the easy-to-bond portion 311 provided on the second side wall portion 120 can be configured to extend to the middle part of the fourth side wall portion 140, beyond the portion corresponding to the easy-to-bond portion 321 provided on the joint portion that can be attached or separated from itself, or be configured to be connected at the middle part.

[0141] Therefore, during the mode conversion to the portable mode, it can be attached to the easy-to-bond portion 361 provided at one end of the partition 170. Although the joint portion is folded inward, a part of the easy-to-bond portion 311 can be exposed in the extended middle part, and the partition 170 can be fixed to the exposed portion of the easy-to-bond portion 311 and can be firmly accommodated without falling in the portable mode.

[0142] The partition 170 can be attached to the easy-to-bond portion 331b provided at the upper end of the second side wall portion 120, and the cooling enhancement portion 500 is attached to the easy-to-bond portion 331b provided at the upper end of the fourth side wall portion 140, so that when the partition 170 and the cooling enhancement portion 500 are stably combined with the box body portion 100, they can be converted into the portable mode. Therefore, the user can easily grasp or carry the packaging cooling box 10 in its minimum volume composed of the cooling enhancement portion 500, the box body portion 100, etc.

[0143] The above embodiments are merely examples, and other embodiments can be implemented within the scope of the appended claims.

Claims

1. A foldable packaging cooling box capable of converting from a box mode to an unfolded mode or from an unfolded mode to a box mode, comprising: A box body part, the box body part having a bottom part, a side wall part, and a joint part, the bottom part, the side wall part, and the joint part being configured to be connected to each other and form a single plane in the unfolded mode; And A cooling enhancement part, the cooling enhancement part being configured to be inserted into the interior of the box body part and form a hexahedron shape together with the box body part when the box body part is converted into the box mode, Wherein the cooling enhancement part includes: An enhanced bottom part, the enhanced bottom part being configured to form a lower surface and face the bottom part of the box body part when converted into the box mode; An enhanced side wall part, the enhanced side wall part being configured to be connected to the enhanced bottom part and face the side wall part of the box body part; and An enhanced joint part, the enhanced joint part being configured to join the enhanced side wall parts, being folded to face itself and being in close contact with the enhanced side wall parts when converted into the box mode, and Wherein the enhanced bottom part, the enhanced side wall part, and the enhanced joint part form a single plane in the unfolded mode, Each of the enhanced joint parts faces the interior of each joint part of the box body part, When each of the enhanced joint parts is folded to face itself, each folded joint part of the box body part can be inserted into the interior of each enhanced joint part, and When each joint part of the box body part is inserted into the interior of each enhanced joint part, each of the enhanced joint parts is in close contact with each adjacent enhanced side wall part.

2. The packaging cooling box according to claim 1, wherein The enhanced bottom part, the enhanced side wall part, and the enhanced joint part form a single rectangular shape.

3. The packaging cooling box according to claim 2, wherein Each of the enhanced joint parts has a rounded corner.

4. The packaging cooling box according to claim 1, wherein The packaging cooling box further includes a partition layer, which forms a refrigeration space when disposed inside the cooling enhancement part in the box mode, and the cooling enhancement part includes an easy-to-bond part such that when the partition layer is curled downward, the partition layer can be attached to the easy-to-bond part.

5. The packaging cooling box according to claim 4, wherein One end of the partition layer has an easy-to-bond part, and the partition layer includes a grid part capable of holding a refrigerant.

6. The packaging cooling box according to claim 5, wherein When the partition layer is curled downward to form a refrigeration space inside, the grid part is disposed on one surface of the partition layer facing the refrigeration space to keep the refrigeration space at a low temperature.

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