WO2024062553A1

WO2024062553A1 - Packaging device for outdoor unit

Info

Publication number: WO2024062553A1
Application number: PCT/JP2022/035177
Authority: WO
Inventors: 和克谷川; 俊行久保野
Original assignee: 三菱電機株式会社
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2024-03-28

Abstract

This packaging device for an outdoor unit, which is for an outdoor unit constituting an air conditioner, comprises a lower cushioning material on which the bottom part of the outdoor unit is placed, and a lower corrugated cardboard material which is formed in the shape of a box having an open upper surface, and in which the lower cushioning material is accommodated. The lower corrugated cardboard material has a rectangular bottom plate part on which the lower cushioning material is placed, and short side wall parts that extend in the direction in which the plate surface of the bottom plate part faces, and that form side walls in a short-side portion of the bottom plate part, and one or more handle parts forming through-holes for accommodating hands are formed in the short side wall parts at a position higher than the upper surface of the lower cushioning material.

Description

Outdoor unit packing equipment

The present disclosure relates to an outdoor unit packaging device used for packaging an outdoor unit that constitutes an air conditioner.

Conventionally, when storing or transporting the outdoor unit of an air conditioner, the outdoor unit is packed using a packing device. This packaging device includes an upper corrugated cardboard material that covers the top surface of the outdoor unit, and an upper cushioning material that is disposed between the upper corrugated cardboard material and the top surface of the outdoor unit. The packaging device also includes a lower corrugated cardboard material that covers the bottom of the outdoor unit, and a lower cushioning material that is disposed between the lower corrugated cardboard material and the bottom of the outdoor unit. The upper cardboard material and the upper cushioning material constitute an upper packaging material that covers the upper part of the outdoor unit, and the lower cardboard material and the lower cushioning material constitute a lower packaging material that covers the lower part of the outdoor unit. In the packaging device, a band member is hung from the outside of the lower corrugated cardboard material and the upper corrugated cardboard material, and the upper packaging material and the lower packaging material are fixed by the band member.

When transporting an outdoor unit covered with packaging material, the transporter holds the upper packaging material or the upper part of the outdoor unit while transporting it. In this type of transportation, the distance between the lower cardboard material and the ground becomes closer, so depending on how it is transported, the packed outdoor unit may tilt, and the lower cardboard material or packaging equipment such as band members may come into contact with the ground and be damaged. There is. In order to ensure a distance between the lower cardboard material and the ground when transporting the outdoor unit, it is conceivable that the operator holds the lower part of the packaging device while transporting it.

As a packing device for an outdoor unit that holds and transports the lower part of the packing device, grooves are provided on the lower surface of the lower cushioning material at positions corresponding to the legs of the outdoor unit to be packed, and grooves are provided in the side walls of the lower corrugated cardboard material. An outdoor unit packaging device has been proposed in which a penetration hole is provided at a position corresponding to a groove (for example, see Patent Document 1). In the packaging device of Patent Document 1, the handle portion is configured by the groove of the lower cushioning material and the penetration hole of the lower corrugated cardboard material.

Japanese Patent Application Publication No. 2002-255276

In the outdoor unit packaging device of Patent Document 1, in order to provide strength to the handle portion of the packaging device using both the lower corrugated cardboard material and the lower cushioning material, it is necessary to provide a concave groove in the lower cushioning material. It is necessary to align the grooves of the cushioning material with the penetration holes formed in the lower corrugated cardboard material. Therefore, in the outdoor unit packing device of Patent Document 1, the structure of the handle portion of the packing device is complicated.

The present disclosure is intended to solve the above-mentioned problems, and the handle portion of the packaging device is formed with a simple structure, so that contact between the packaging device and the ground is suppressed during transportation by a carrier. The purpose of the present invention is to provide a packaging device for an outdoor unit.

The packaging device for an outdoor unit disclosed herein is a packaging device for an outdoor unit that constitutes an air conditioner, and includes a lower cushioning material on which the bottom of the outdoor unit is placed, and a lower corrugated cardboard material formed in a box shape with an open top and in which the lower cushioning material is housed. The lower corrugated cardboard material has a rectangular plate-shaped bottom plate portion on which the lower cushioning material is placed, and short side wall portions that extend in the direction in which the plate surface of the bottom plate faces and form side walls on the short sides of the bottom plate portion, and at least one or more handle portions that form through holes for holding onto are formed in the short side wall portions at a position above the top surface of the lower cushioning material.

In the outdoor unit packaging device according to the present disclosure, the lower corrugated cardboard material has a rectangular plate-shaped bottom plate portion on which the lower cushioning material is placed, and a short side portion of the bottom plate portion that extends in the direction in which the plate surface of the bottom plate portion faces. and a short side wall portion forming a side wall of. Further, at least one handle portion constituting a through hole for placing a hand is formed in the short side wall portion at a position above the upper surface portion of the lower cushioning member. The packing device for the outdoor unit does not require consideration of the shape and position of the hole in the lower cushioning material that constitutes the handle for the operator to place his/her hand on, so the handle of the packing device can be simply It can be formed by structure. In addition, since the handle part of the outdoor unit packing device is formed on the lower cardboard material, when the transporter is carrying it, the packing device and the ground are closer to each other than when the transporter grasps the top of the packing device. A distance can be secured and contact between the packaging device and the ground can be suppressed.

FIG. 2 is a perspective view of the front side of the packaging device according to the embodiment. FIG. 1 is an exploded perspective view of a packaging device according to an embodiment. It is a perspective view of the lower corrugated board material of the packaging apparatus based on embodiment. It is a developed view of the lower corrugated cardboard material of the packaging device according to the embodiment. It is a partially enlarged view of the lower corrugated cardboard material of the packaging device according to the embodiment. FIG. 2 is a partial conceptual diagram showing the structure of the end portion of the packaging device according to the embodiment. It is a partial conceptual diagram which shows the structure of the edge part of the 1st modification of the packaging device based on embodiment. It is a developed view of the lower corrugated cardboard material of the 2nd modification of the packaging apparatus based on embodiment. It is a perspective view of the lower corrugated cardboard material of the 3rd modification of the packaging apparatus based on embodiment. It is a developed view of the lower corrugated cardboard material of the 3rd modification of the packaging apparatus based on embodiment. It is a conceptual diagram showing an example of transportation work of an outdoor unit using a packing device concerning an embodiment. It is a conceptual diagram which showed an example of the transportation work of the outdoor unit using the packing apparatus based on a comparative example.

Hereinafter, a packing device for an outdoor unit according to an embodiment of the present disclosure will be described with reference to the drawings and the like. In the following drawings, the same reference numerals are the same or equivalent, and are common throughout the entire embodiment described below. The forms of the constituent elements shown in the entire specification are merely examples, and are not limited to the forms described in the specification. Further, in the drawings, the size relationship of each component may differ from the actual one. Note that in this embodiment, terms indicating directions (for example, "upper", "lower", "right", "left", "front", "rear", etc.) are used as appropriate to facilitate understanding. , this is for explanation purposes and these terms are not intended to limit this disclosure.

Embodiment.
[Configuration of packaging device 100]
FIG. 1 is a front perspective view of a packaging device 100 according to an embodiment. FIG. 2 is an exploded perspective view of the packaging device 100 according to the embodiment. The configuration of each part of the packaging device 100 will be explained with reference to FIGS. 1 and 2. Note that the X-axis, Y-axis, and Z-axis shown in the drawings in FIG. shall represent the direction. Therefore, the X axis indicates the left and right width directions of the packaging apparatus 100, with the X1 side being the left side and the X2 side being the right side. Further, the Y axis indicates the front and rear depth direction of the packaging device 100, with the Y1 side as the front side and the Y2 side as the rear side. Further, the Z axis indicates the vertical direction of the packaging apparatus 100, with the Z1 side being the upper side and the Z2 side being the lower side. Note that the direction from Z1 to Z2 represents the direction of gravity.

[Object to be packaged in packaging device 100]
The object to be packed in the packing apparatus 100 is an outdoor unit 150 that constitutes an air conditioner. Outdoor unit 150 has a housing 155. A housing 155 of the outdoor unit 150 constitutes an outer shell of the outdoor unit 150. The casing 155 is made of sheet metal, and includes a bottom 151 that forms a bottom surface, a top surface 152 that forms a top surface that faces the bottom surface, and a casing side wall that forms a side wall between the bottom surface 151 and the top surface 152. 153, and is configured in a substantially rectangular parallelepiped shape. A blower outlet 158 is formed in the housing side wall portion 153 on the front (Y1) side of the outdoor unit 150, and serves as an outlet through which air is blown out.

A housing side wall 153 is attached to the bottom 151 of the outdoor unit 150, and two legs 154 spaced apart in the left-right direction (X-axis direction) are provided on the underside of the bottom 151. The legs 154 serve as the base of the housing 155 when the outdoor unit 150 is fixed to the installation location. The legs 154 are formed to extend in the front-to-rear direction (Y-axis direction) of the outdoor unit 150, and the tips of the legs 154 are located on the front side (Y1 side) and rear side (Y2 side) of the housing 155. The outdoor unit 150 houses a heat exchanger (not shown), a blower (not shown), and a compressor (not shown) inside.

[Packing device 100]
The packaging device 100 is a packaging device that packs an outdoor unit 150 that constitutes an air conditioner. The packaging device 100 is used to wrap the outdoor unit 150 in order to prevent damage and staining during transportation of the outdoor unit 150. The packing device 100 protects the outdoor unit 150, which is an object to be packed, and has impact resistance to protect the outdoor unit 150 from contact during handling, and pressure resistance to protect the outdoor unit 150 from pressure applied to it. It is something that you have.

As shown in FIGS. 1 and 2, the packaging device 100 includes a pair of lower cushioning materials 10 on which a bottom portion 151 of an outdoor unit 150 serving as an object to be packaged is placed, and a lower cardboard box on which the lower cushioning materials 10 are placed. It has a material 20. The packaging device 100 also includes a pair of upper cushioning materials 30 placed on the top surface 152 of the outdoor unit 150 and an upper corrugated cardboard material 40 placed on the top cushioning material 30 . Furthermore, the packaging device 100 includes a band member 50 that is hung on the outside of the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40.

(Lower cushioning material 10)
The packaging device 100 includes a pair of lower cushioning materials 10 arranged along one opposing side of the bottom 151 of the housing 155 in the left-right direction (X-axis direction) of the outdoor unit 150. The lower cushioning material 10 is provided with a bottom portion 151 of the outdoor unit 150 on which to protect the lower portion of the outdoor unit 150 .

The lower cushioning material 10 is attached along a portion forming one side of the lower surface of the casing 155, and supports the outdoor unit 150 on the lower corrugated cardboard material 20. The lower cushioning material 10 is attached to the housing 155 so as to cover the lower part of the outdoor unit 150 from below. The lower cushioning material 10 covers at least a portion of the bottom 151 of the housing 155 when attached to the outdoor unit 150. The outdoor unit 150, which is a packaged object, is placed on the lower cushioning material 10.

A pair of lower cushioning materials 10 on which the outdoor unit 150 is placed are arranged inside the lower corrugated cardboard material 20, and are fixed on the lower corrugated cardboard material 20 in a state where they are separated into left and right inside the lower corrugated cardboard material 20. Among the lower cushioning materials 10, the lower cushioning material 10 attached to the lower right of the outdoor unit 150 is referred to as a lower right cushioning material 11, and the lower cushioning material 10 attached to the lower left of the outdoor unit 150 is referred to as a lower left cushioning material 12. The lower cushioning material 10 is a general term for the lower right cushioning material 11 and the lower left cushioning material 12.

The lower right cushioning material 11 and the lower left cushioning material 12 are a pair of lower cushioning materials 10 on which the lower part of the outdoor unit 150 is placed. The lower right cushioning material 11 and the lower left cushioning material 12 are arranged with a space between them in the left-right direction (X-axis direction) of the outdoor unit 150. The lower right cushioning material 11 and the lower left cushioning material 12 are, for example, formed from a synthetic resin material such as styrene foam into a substantially rectangular parallelepiped shape. Grooves and unevenness are formed in the upper surface portion 11a of the lower right cushioning material 11 and the upper surface portion 12a of the lower left cushioning material 12.

The lower right cushioning material 11 is a hexahedron having an upper surface portion 11a, a bottom surface portion 11b, two side surfaces 11c forming a front wall surface and a rear wall surface, respectively, an outer surface portion 11d, and an inner surface portion 11e. be. The upper surface portion 11a constitutes the top surface of the lower right cushioning material 11, and the bottom surface portion 11b constitutes the bottom surface of the lower right cushioning material 11. The two side surfaces 11c, the outer side surface 11d, and the inner side surface 11e constitute side walls of the lower right cushioning material 11. The top surface portion 11a, the bottom surface portion 11b, the two side surfaces 11c, the outer surface portion 11d, and the inner surface portion 11e may each be provided with unevenness. Further, the corner formed by the wall surface of the lower right cushioning material 11 may be chamfered.

The lower left cushioning material 12 is a hexahedron having an upper surface portion 12a, a bottom surface portion 12b, two side surfaces 12c forming a front wall surface and a rear wall surface, respectively, an outer surface portion 12d, and an inner surface portion 12e. be. The upper surface portion 12a constitutes the top surface of the lower left cushioning material 12, and the bottom surface portion 12b constitutes the bottom surface of the lower left cushioning material 12. The two side surfaces 12c, the outer side surface 12d, and the inner side surface 12e constitute a side wall of the lower left cushioning material 12. The top surface portion 12a, the bottom surface portion 12b, the two side surfaces 12c, the outer surface portion 12d, and the inner surface portion 12e may each be provided with unevenness. Furthermore, the corner formed by the wall surface of the lower left cushioning material 12 may be chamfered.

The lower right cushioning material 11 has a recess 13 formed in the upper surface 11a, and similarly, the lower left cushioning material 12 has a recess 14 formed in the upper surface 12a. The

recesses

13 and 14 are groove-shaped portions that are recessed inward from the surface of the upper surface portion 11a and the upper surface portion 12a, and are formed to extend in the transverse direction (Y-axis direction) of the packaging device 100. There is. When the outdoor unit 150 is placed on the lower right cushioning material 11 and the lower left cushioning material 12, the legs 154 provided on the bottom 151 of the outdoor unit 150 are inserted into the

recesses

13 and 14, Legs 154 are arranged within the

recesses

13 and 14.

When the lower right cushioning material 11 and the lower left cushioning material 12, which are the pair of lower cushioning materials 10, are placed on the bottom plate section 21, which will be described later, of the lower corrugated cardboard material 20, the inner side surface section 11e and the inner side surface section 12e are opposed to each other. are doing. In the packaging device 100 of the embodiment, the lower right cushioning material 11 and the lower left cushioning material 12 are formed separately, but the lower right cushioning material 11 and the lower left cushioning material 12 are formed as one body. may be formed.

(Lower cardboard material 20)
FIG. 3 is a perspective view of the lower corrugated cardboard material 20 of the packaging device 100 according to the embodiment. FIG. 4 is a developed view of the lower corrugated cardboard material 20 of the packaging device 100 according to the embodiment. FIG. 5 is a partially enlarged view of the lower corrugated cardboard material 20 of the packaging device 100 according to the embodiment. FIG. 6 is a partial conceptual diagram showing the structure of the end portion of the packaging device 100 according to the embodiment. The lower corrugated cardboard material 20 will be explained using FIGS. 3 to 6. Note that, as shown in FIG. 2, the lower cushioning material 10 and the lower corrugated cardboard material 20 are a lower packaging material 120 that covers the lower part of the outdoor unit 150.

The lower corrugated cardboard material 20 is a tray-shaped corrugated cardboard material formed to cover the bottom and sides of the lower right cushioning material 11 and the lower left cushioning material 12. The lower corrugated cardboard material 20 is formed in a box shape with an open top, and the pair of lower cushioning materials 10, the lower right cushioning material 11 and the lower left cushioning material 12, are housed inside. The material of the lower corrugated cardboard material 20 is cardboard, and the lower corrugated cardboard material 20 is constructed by assembling the unfolded lower corrugated cardboard material 20 shown in Figure 4 in the manner of the lower corrugated cardboard material 20 shown in Figure 3.

In the packaging device 100, the lower corrugated cardboard material 20 is placed on the outside of the lower right cushioning material 11 and the lower left cushioning material 12. The lower corrugated cardboard material 20 is maintained in a state of covering the lower right cushioning material 11 and the lower left cushioning material 12 on which the outdoor unit 150 is placed by the band member 50 hung on the outside of the lower corrugated cardboard material 20 . The lower corrugated cardboard material 20 includes a rectangular plate-shaped bottom plate portion 21 on which the pair of lower cushioning materials 10 are placed, a pair of long side wall portions 22 forming side walls of the lower corrugated cardboard material 20, and It has a pair of short side wall portions 23 forming side walls. The lower corrugated cardboard material 20 includes a bottom plate portion 21, a long side wall portion 22, and a short side wall portion 23 that are integrally formed.

<Bottom plate part 21>
The lower corrugated cardboard material 20 has a flat bottom plate portion 21 on which a lower right cushioning material 11 and a lower left cushioning material 12, which are a pair of lower cushioning materials 10, are placed. This bottom plate portion 21 is formed into a rectangular shape in plan view. The bottom plate part 21 of the lower corrugated cardboard material 20 has a plurality of cut and raised parts 25 formed by cutting and raising the bottom plate part 21 .

The plurality of cut and raised portions 25 restrict horizontal movement of the pair of lower cushioning materials 10 when the pair of lower cushioning materials 10 are placed on the bottom plate portion 21 . The cut-and-raised portion 25 is a portion formed by cutting and raising the bottom plate portion 21 . The cut and raised portion 25 is formed into a rectangular plate shape when cut and raised from the bottom plate portion 21, and constitutes a wall extending upward (in the Z1 direction) from the bottom plate portion 21. Of the four sides of the cut-and-raised portion 25, a portion constituting one side extending in the longitudinal direction (X-axis direction) is left uncut and connected to the bottom plate portion 21, forming the remaining three sides. A portion is separated from the bottom plate portion 21.

As shown in FIG. 3, when the cut-and-raised portion 25 is cut and raised from the bottom plate portion 21, a cut-and-raised hole portion 25a, which is a through hole, is formed in the bottom plate portion 21. Although the cut and raised portion 25 is formed in a rectangular shape, the shape of the cut and raised portion 25 is not limited to this shape. The cut-and-raised portion 25 only needs to be in contact with the side surfaces of the lower right cushioning material 11 and the lower left cushioning material 12 and to restrict the movement of the lower right cushioning material 11 and the lower left cushioning material 12 in the horizontal direction, and may have a semicircular shape, for example. It may also be formed in other shapes such as a circular arc shape or a polygonal shape other than a rectangle.

The cut-and-raise portion 25 is formed between the lower right cushioning material 11 and the lower left cushioning material 12 when the lower right cushioning material 11 and the lower left cushioning material 12 are placed on the bottom plate part 21. The cut and raised portion 25 has a plate surface facing the long side wall portion 22 in the cut and raised state. As shown in FIGS. 3 and 4, a pair of cut and raised portions 25 are formed in the bottom plate portion 21 of the lower corrugated cardboard material 20 along the lateral direction (Y-axis direction) of the bottom plate portion 21. As shown in FIGS. The pair of cut-and-raised portions 25 are formed at two locations in the longitudinal direction (X-axis direction) of the bottom plate portion 21: a position facing the lower right cushioning material 11 and a position facing the lower left cushioning material 12. .

Among the plurality of cut and raised parts 25 , at least one cut and raised part 25 is formed in the longitudinal direction (X-axis direction) of the lower corrugated cardboard material 20 when the lower right cushioning material 11 is placed on the bottom plate part 21 . , the end of the cut and raised portion 25 and the inner side surface portion 11e of the lower right cushioning material 11 face each other. Furthermore, at least one cut-and-raised portion 25 among the plurality of cut-and-raised portions 25 is formed in the longitudinal direction (X-axis direction ), the end of the cut-and-raised portion 25 and the inner side surface 12e of the lower left cushioning material 12 face each other. When the lower cushioning material 10 is placed on the bottom plate part 21, if the end of the cut-and-raised part 25 is in contact with the inner side surface part 11e and the inner side surface part 12e, compared to the case where these are not in contact with each other, The movement of the lower cushioning material 10 is suppressed more strongly.

The lower corrugated cardboard material 20 of the packaging device 100 according to the embodiment shown in FIGS. 3 and 4 has two cut-and-raised portions 25 arranged in the lateral direction (Y-axis direction) of the bottom plate portion 21. As long as the movement of the lower cushioning material 10 can be restricted, the lower corrugated cardboard material 20 of the packaging device 100 may have one cut-and-raised portion 25 in the lateral direction (Y-axis direction) of the bottom plate portion 21, or three or more. It may have a cut-and-raised portion 25.

The lower corrugated cardboard material 20 has a plurality of side wall portions that are provided on the four sides of the bottom plate portion 21 and constitute side walls. The plurality of side wall portions are constituted by a pair of long side wall portions 22 and a pair of short side wall portions 23. The pair of long side wall portions 22 and the pair of short side wall portions 23 form a wall extending in the direction in which the surface of the bottom plate portion 21 faces. The long side wall portion 22 and the short side wall portion 23 are formed in a plate shape.

<Long side wall portion 22>
The long side wall portion 22 extends in the direction toward which the plate surface of the bottom plate portion 21 faces, and forms a side wall of the long side portion of the bottom plate portion 21 . The long side wall portion 22 is provided along an edge portion 21 a extending in the longitudinal direction (X-axis direction) of the bottom plate portion 21 . The lower corrugated cardboard material 20 is provided with a pair of long side wall portions 22 so as to face each other in the lateral direction (Y-axis direction) of the lower corrugated cardboard material 20 . The lower corrugated cardboard material 20 is maintained in a state in which the edge portion 21 a is bent and the long side wall portion 22 is angled with respect to the bottom plate portion 21 . The pair of long side wall portions 22 are each formed to extend in the longitudinal direction (X-axis direction) of the bottom plate portion 21, and are also formed to extend upward from the bottom plate portion 21 (in the Z1 direction).

The long side wall portion 22 includes an extended portion 22a, an enlarged portion 22b, and a folded portion 22c. The extending portion 22a is formed to extend in the longitudinal direction (X-axis direction) of the bottom plate portion 21 along the edge 21a of the bottom plate portion 21. The extending portion 22a is formed in a rectangular shape when viewed from the side of the lower corrugated cardboard material 20 when the long side wall portion 22 is viewed from the front.

The extension portion 22a forms a side wall that covers part of the side surfaces of the lower right cushioning material 11 and the lower left cushioning material 12 in a side view of the lower corrugated cardboard material 20 when the long side wall portion 22 is viewed from the front. A side wall is formed to cover between the lower cushioning material 11 and the lower left cushioning material 12. The height from the lower end to the upper end of the extended portion 22a is formed to be lower than the height from the lower end to the upper end of the short side wall portion 23.

As shown in FIGS. 2 and 3, the enlarged portions 22b are formed at both ends of the extended portion 22a in the longitudinal direction (X-axis direction) of the bottom plate portion 21. As shown in FIG. 4, the enlarged portion 22b is located between the extended portion 22a and the folded portion 22c. The enlarged portion 22b is formed in a substantially triangular shape. As shown in FIG. 3, the enlarged portion 22b of the assembled lower corrugated cardboard material 20 has the following configuration.

The enlarged portion 22b is formed such that its height from the bottom plate 21 increases from the center to the end of the lower corrugated cardboard material 20 in the longitudinal direction (X-axis direction) of the bottom plate 21. That is, in the longitudinal direction (X-axis direction) of the bottom plate part 21, the distance between the upper end and the lower end of the enlarged part 22b increases from the central part of the lower corrugated cardboard material 20 toward the short side wall part 23. It is formed to be. The upper edge portion of the enlarged portion 22b is inclined such that the height from the bottom plate portion 21 increases as it goes from the extended portion 22a toward the short side wall portion 23.

As shown in FIG. 4, the folded portions 22c are formed at both ends of the long side wall portions 22 in the longitudinal direction (X-axis direction) of the bottom plate portion 21. As shown in FIG. 4, the folded portions 22c are formed at both ends of the extended portion 22a via the enlarged portions 22b in the longitudinal direction (X-axis direction) of the bottom plate portion 21. That is, in the longitudinal direction (X-axis direction) of the bottom plate part 21, the long side wall part 22 has an extended part 22a, an enlarged part 22b and The folded portions 22c are formed in this order.

The folded portion 22c is formed into a rectangular plate shape. As shown in FIG. 6, when the lower corrugated cardboard material 20 is assembled, the height of the folded part 22c from the bottom plate part 21 to the top end 22c1 is the same as the height of the extension part 22a from the bottom plate part 21 to the top end 22a1. It is formed to be higher than the height. As shown in FIG. 5, in the long side wall portion 22, when the lower corrugated cardboard material 20 is assembled, the boundary portion between the enlarged portion 22b and the folded portion 22c is bent, and the plate surface of the folded portion 22c is shortened. It is arranged along the plate surface of the side wall portion 23.

In the long side wall portion 22, when the lower corrugated cardboard material 20 is assembled, the folded portion 22c is sandwiched between a first side wall portion 23a and a second side wall portion 23b of the short side wall portion 23, which will be described later. In the long side wall part 22, when the lower corrugated cardboard material 20 is assembled, the folded part 22c is arranged between a first side wall part 23a and a second side wall part 23b of a short side wall part 23, which will be described later. It is connected and engaged with the section 23.

In the long side wall portion 22, when the lower corrugated cardboard material 20 is assembled, the folded portion 22c is fixed to the short side wall portion 23 by, for example, a fixing member 28, which will be described later. In the assembled state of the lower corrugated cardboard material 20, the folded part 22c is folded in the direction along the short side wall part 23, and the folded part 22c is folded in the direction along the short side wall part 23, and the first side wall part 23a and the second side wall part 23b of the short side wall part 23 will be described later. It is sandwiched between.

The folding portion 22c has a notch 22d. The notch 22d is a cut-out portion that forms a through hole in the direction in which the plate surface of the folding portion 22c faces. The notch 22d overlaps with the first through hole portion 26a and the second through hole portion 26b of the short side wall portion 23 described below, forming the handle portion 26 provided on the short side wall portion 23.

<Short side wall portion 23>
The short side wall portion 23 extends in the direction in which the plate surface of the bottom plate portion 21 faces, and forms a side wall at the short side portion of the bottom plate portion 21 . The short side wall portion 23 is provided along an edge portion 21b extending in the short direction (Y-axis direction) of the bottom plate portion 21. The lower corrugated cardboard material 20 is provided with a pair of short side wall portions 23 so as to face each other in the longitudinal direction (X-axis direction) of the lower corrugated cardboard material 20 .

The lower corrugated cardboard material 20 is maintained in a state in which the edge portion 21b is bent and the short side wall portion 23 is angled with respect to the bottom plate portion 21. The pair of short side wall portions 23 are each formed to extend in the lateral direction (Y-axis direction) of the bottom plate portion 21, and are also formed to extend upward (Z1 direction) from the bottom plate portion 21. . That is, the short side wall portion 23 is formed to extend upward from the edge portion 21b extending in the short direction (Y-axis direction) of the bottom plate portion 21.

As shown in FIGS. 3 and 4, the short side wall portion 23 is located between a first side wall portion 23a, a second side wall portion 23b, and between the first side wall portion 23a and the second side wall portion 23b, It includes a bent portion 23c that is bent so that the first side wall portion 23a and the second side wall portion 23b face each other. The short side wall portion 23 is configured as a double-layered side wall including a first side wall portion 23a and a second side wall portion 23b.

As shown in FIG. 4, the lower corrugated cardboard material 20 is integrally formed with a bottom plate portion 21, a first side wall portion 23a, a second side wall portion 23b, and a bent portion 23c. In the unfolded state of the lower corrugated cardboard material 20, the lower corrugated cardboard material 20 has a bottom plate part 21, a first side wall part 23a, The bent portion 23c and the second side wall portion 23b are provided in this order.

The first side wall portion 23a is formed into a rectangular plate shape. The first side wall portion 23a is integrally connected to the bottom plate portion 21 with the edge portion 21b as a boundary. When the lower corrugated cardboard material 20 is assembled as shown in FIG. 3, the edge portion 21b is bent and the first side wall portion 23a is maintained at an angle with respect to the bottom plate portion 21.

The second side wall portion 23b is formed into a rectangular plate shape. The second side wall portion 23b is integrally connected to the first side wall portion 23a with the bent portion 23c as a boundary. As shown in FIG. 6, in the assembled state of the lower corrugated cardboard material 20, the bent portion 23c is bent, and the second side wall portion 23b is arranged so as to face the first side wall portion 23a. be done.

The bent portion 23c is a portion that forms the boundary between the first side wall portion 23a and the second side wall portion 23b, and is a portion that is bent when the lower corrugated cardboard material 20 is assembled. In the bent state, the bent portion 23c forms a gap between the first side wall portion 23a and the second side wall portion 23b. In the assembled state of the lower corrugated cardboard material 20, the folded part 22c of the long side wall part 22 is inserted into the gap between the first side wall part 23a and the second side wall part 23b, and the folded part 22c is inserted into the gap between the first side wall part 23a and the second side wall part 23b. It is sandwiched between the side wall portion 23a and the second side wall portion 23b.

In the short side wall portion 23, the first side wall portion 23a and the second side wall portion 23b face each other by bending the bent portion 23c, thereby forming a double-layered side wall. Therefore, the short side wall portion 23 can ensure strength compared to a side wall having a single layer structure. In the embodiment shown in FIG. 6, the second side wall portion 23b is folded inside the lower corrugated cardboard material 20, the first side wall portion 23a constitutes the outer wall of the short side wall portion 23, and the second side wall portion 23b constitutes the outer wall of the short side wall portion 23. It constitutes the inner wall of the side wall portion 23. The upper portion of the short side wall portion 23 is folded back by the bending portion 23c, and a double wall is provided by the first side wall portion 23a and the second side wall portion 23b. The lower corrugated cardboard material 20 is formed by folding the short side wall portion 23 double.

FIG. 7 is a partial conceptual diagram showing the structure of the end portion of the first modification of the packaging device 100 according to the embodiment. In the embodiment shown in FIG. 7, the second side wall portion 23b is folded into the outside of the lower corrugated cardboard material 20, the first side wall portion 23a constitutes the inner wall of the short side wall portion 23, and the second side wall portion 23b constitutes the short side wall portion 23. It constitutes the outer wall of the section 23. The short side wall portion 23 only needs to have a double structure side wall formed by the first side wall portion 23a and the second side wall portion 23b, with one of the first side wall portion 23a and the second side wall portion 23b forming an outer wall. It is sufficient that the other side constitutes the inner wall.

As shown in FIGS. 6 and 7, the short side wall portion 23 is formed with the first side wall portion 23a and the second side wall portion 23b sandwiching the folded portion 22c of the long side wall portion 22. Then, the folded portion 22c and the second side wall portion 23b are fixed. The first side wall portion 23a, folded portion 22c, and second side wall portion 23b are fixed, for example, by a fixing member 28, as shown in FIGS. 5 to 7.

The fixing member 28 is a binding needle or the like, and the first side wall portion 23a, folded portion 22c, and second side wall portion 23b are fixed with a stapler or the like. Note that the fixing of the first side wall portion 23a, folded portion 22c, and second side wall portion 23b is not limited to fixation using the fixing member 28. For example, the first side wall portion 23a, the folded portion 22c, and the second side wall portion 23b may be fixed to each other with an adhesive, or may be fixed by other well-known fixing methods for fixing corrugated cardboard to each other.

By fixing the first side wall portion 23a, the folded portion 22c, and the second side wall portion 23b, the long side wall portion 22 and the short side wall portion 23 are fixed, and the long side wall portion 22 and the short side wall portion 23 are fixed. The state in which the portion 23 extends upward from the bottom plate portion 21 is maintained.

As shown in FIGS. 5 to 7, in the short side wall portion 23, there is at least one through hole, which is located above the upper surface portion 10a of the pair of lower cushioning materials 10, and constitutes a through hole for an operator to place his/her hand on. More than one handle portion 26 is formed. The handle portion 26 is a portion that an operator grips the packing device 100 when transporting the packed outdoor unit 150. The operator can easily transport the packing device 100 in which the outdoor unit 150 is packed by placing his/her hand on the handle portion 26.

The handle portion 26 is a portion that forms a through hole and is the portion into which a transporter inserts his/her hand when transporting the packaged outdoor unit 150. The handle portion 26 is formed by the short side wall portion 23 and does not include the lower cushioning material 10. The packaging device 100 has two handle portions 26 on each side surface of the lower cardboard material 20 in the longitudinal direction (X-axis direction).

As shown in FIGS. 6 and 7, the lower corrugated cardboard material 20 is formed such that the handle portion 26 is located above the upper surface portion 10a of the lower cushioning material 10 in the assembled state. The short side wall portion 23 has a handle portion 26 at a position higher than the lower cushioning material 10 when the bottom plate portion 21 is used as a reference. Since the handle part 26 is formed at this position, the carrier's hand inserted into the handle part 26 will not be interfered with by the lower cushioning material 10, so the carrier can hold the short side wall part 23 using his/her hand. be able to.

The handle portion 26 includes a first through hole portion 26a that constitutes a through hole formed in the first side wall portion 23a, and a second through hole portion 26b that constitutes a through hole formed in the second side wall portion 23b. It is constructed by overlapping. As shown in FIG. 4, the first through hole portion 26a is a portion formed in the first side wall portion 23a, and is an edge portion forming a through hole in the first side wall portion 23a. As shown in FIG. 4, the second through hole portion 26b is a portion formed in the second side wall portion 23b, and is an edge portion forming a through hole in the second side wall portion 23b.

When the fold-in portion 22c is arranged between the first through-hole portion 26a and the second through-hole portion 26b, it is desirable that a notch portion 22d is formed in the fold-in portion 22c. In this case, the handle portion 26 is configured by overlapping a first through hole portion 26a, a second through hole portion 26b, and a notch portion 22d. Note that if the fold-in portion 22c is not arranged between the first through-hole portion 26a and the second through-hole portion 26b, the cut-out portion 22d may not be formed in the fold-in portion 22c. In this case, the handle portion 26 is constructed by overlapping a first through hole portion 26a and a second through hole portion 26b.

FIG. 8 is a developed view of the lower corrugated cardboard material 20 of the second modification of the packaging device 100 according to the embodiment. In the lower corrugated cardboard material 20 shown in FIGS. 3 and 4, two handle portions 26 are provided on the short side wall portion 23. As shown in FIG. The two handle portions 26 are formed side by side in the short side wall portion 23 in the short direction (Y-axis direction) of the lower corrugated cardboard material 20 . The number of handle portions 26 formed is not limited to two. The short side wall portion 23 may have one handle portion 26 like the lower corrugated cardboard material 20 shown in FIG. Further, the short side wall portion 23 may have three or more handle portions 26.

The lower corrugated cardboard material 20 is connected by combining a short side wall portion 23 which is bent at an edge 21b and extends upward from the bottom plate portion 21, and a long side wall portion 22 which is bent at an edge 21a and extends upward from the bottom plate portion 21. , the side walls of the lower corrugated cardboard material 20 are formed. The lower corrugated cardboard material 20 is formed into a container shape by a side wall formed by a long side wall portion 22 and a short side wall portion 23, and a bottom plate portion 21 forming a bottom surface.

(Top cushioning material 30)
The upper cushioning material 30 protects the upper part of the outdoor unit 150, as shown in FIG. The upper cushioning material 30 is installed along a portion forming one side of the upper surface of the housing 155. The upper cushioning material 30 is attached to the outdoor unit 150 so as to cover the upper part of the housing 155 from above. The upper cushioning material 30 covers at least a portion of the top surface portion 152 of the housing 155 when attached to the housing 155. The upper cushioning material 30 is placed on the outdoor unit 150, which is an object to be packaged.

The upper cushioning material 30 is formed to extend in the depth direction (Y-axis direction) of the outdoor unit 150. Further, the upper cushioning material 30 is formed to extend in the left-right direction (X-axis direction) of the outdoor unit 150. The upper cushioning material 30 is formed to have a thickness in the vertical direction (Z-axis direction) of the outdoor unit 150.

The packaging device 100 has a pair of upper cushioning materials 30 arranged along one opposing side of the top surface portion 152 of the outdoor unit 150 in the left-right direction (X-axis direction) of the outdoor unit 150. Among the upper cushioning materials 30, the upper cushioning material 30 attached to the upper right of the outdoor unit 150 is referred to as an upper right cushioning material 31, and the upper cushioning material 30 attached to the upper left of the outdoor unit 150 is referred to as an upper left cushioning material 32. The upper cushioning material 30 is a general term for the upper right cushioning material 31 and the upper left cushioning material 32.

The upper right cushioning material 31 and the upper left cushioning material 32 are a pair of upper cushioning materials 30 placed on the top of the outdoor unit 150. The upper right cushioning material 31 and the upper left cushioning material 32 are arranged with a space between them in the left-right direction (X-axis direction) of the outdoor unit 150. The upper right cushioning material 31 and the upper left cushioning material 32 are placed over both shoulders of the top surface portion 152 of the outdoor unit 150 in the width direction (X-axis direction) of the outdoor unit 150. The upper right cushioning material 31 and the upper left cushioning material 32 are made of, for example, molded synthetic resin material such as styrofoam.

As shown in FIG. 2, the upper right cushioning material 31 and the upper left cushioning material 32 may have a notch 31a and a notch 32a formed in a portion facing the vicinity of the center of the top surface portion 152. By forming the cutout portion 31a and the cutout portion 32a in the upper right cushioning material 31 and the upper left cushioning material 32, the amount of materials forming the upper right cushioning material 31 and the upper left cushioning material 32 can be reduced. Note that in the packaging apparatus 100 of the embodiment, the upper right cushioning material 31 and the upper left cushioning material 32 are formed separately, but the upper right cushioning material 31 and the upper left cushioning material 32 are formed integrally. may be formed.

(Upper cardboard material 40)
The upper corrugated cardboard material 40 protects the upper part of the outdoor unit 150, which is an object to be packaged. The upper corrugated cardboard material 40 is installed on the upper cushioning material 30 so as to cover the upper surface of the housing 155. The upper corrugated cardboard material 40 is attached to the casing 155 of the outdoor unit 150 so as to cover the upper part of the outdoor unit 150, which is an object to be packaged. The material of the upper corrugated cardboard material 40 is corrugated cardboard, and the upper corrugated cardboard material 40 is constructed by assembling the expanded upper corrugated cardboard materials 40.

The upper corrugated cardboard material 40 is a tray-shaped corrugated cardboard material formed to cover the top and side surfaces of the upper cushioning material 30, and is placed on the outside of the upper cushioning material 30. The upper cushioning material 30 and the upper corrugated cardboard material 40 are the upper packaging material 110 that covers the upper part of the outdoor unit 150. The upper corrugated cardboard material 40 has a flat top plate portion 41 placed on the upper cushioning material 30 . This top plate portion 41 is formed into a rectangular shape in plan view.

Further, the upper corrugated cardboard material 40 is formed to extend in the longitudinal direction (X-axis direction) of the top plate part 41 along the edge in the longitudinal direction (X-axis direction) of the top plate part 41, and in the transverse direction ( It has two long side wall portions 42 that face each other in the Y-axis direction). Further, the upper corrugated cardboard material 40 is formed to extend in the lateral direction (Y-axis direction) of the top plate 41 along the edge of the top plate 41 in the lateral direction (Y-axis direction), and extends in the lateral direction (Y-axis direction) of the top plate 41. It has two short side wall portions 43 facing each other in the X-axis direction.

The upper corrugated cardboard material 40 is constructed by bending and connecting the short side wall portion 43 and the long side wall portion 42 of the single plate-shaped upper corrugated cardboard material 40 to form the side wall of the upper corrugated cardboard material 40. It is shaped like a container with 41 as the bottom.

(Band member 50)
The packaging device 100 has a plurality of band members 50 wrapped around the outer surfaces of the upper corrugated cardboard material 40 and the lower corrugated cardboard material 20, as shown in FIG. The band member 50 is for maintaining the lower cushioning material 10 and the upper cushioning material 30 attached to the casing 155 of the outdoor unit 150 covered with the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40. The band member 50 is, for example, a PP band (polypropylene band).

The band member 50 is hung on the outside of the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 with respect to the outdoor unit 150. The operator turns the band member 50 around in the vertical direction and tightens the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 so as to fix them to each other. In the packaging device 100, a lower cushioning material 10, an upper cushioning material 30, a lower corrugated cardboard material 20, and an upper corrugated cardboard material 40 are restrained by a band member 50. The lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 are fixed by wrapping a plurality of band members 50 vertically around the side surface of the outdoor unit 150.

The band member 50 is hung from the outside of the lower corrugated cardboard material 20 around the short side wall portion 23 and the bottom plate portion 21, so that the lower corrugated cardboard material 20 maintains a state in which it covers the lower right cushioning material 11 and lower left cushioning material 12 on which the outdoor unit 150 is placed. The band member 50 is also hung from the outside of the upper corrugated cardboard material 40 around the short side wall portion 43 and the top plate portion 41, so that the upper corrugated cardboard material 40 maintains a state in which it covers the upper right cushioning material 31 and upper left cushioning material 32 that cover the outdoor unit 150. The band member 50 hung in this way around the lower corrugated cardboard material 20 and upper corrugated cardboard material 40 is the longitudinal band 51, which will be described later.

The band member 50 is hung from the outside of the lower corrugated cardboard material 20 to the long side wall portion 22 and the bottom plate portion 21, and the lower corrugated cardboard material 20 is connected to the lower right cushioning material 11 on which the outdoor unit 150 is placed and the lower left cushioning material. 12 is maintained. Further, the band member 50 is hung from the outside of the upper corrugated cardboard material 40 to the long side wall portion 42 and the top plate portion 41, and the upper corrugated cardboard material 40 is connected to the upper right cushioning material 31 and the upper left portion placed on the outdoor unit 150. It maintains the state in which the cushioning material 32 is covered. The band member 50 that is hung on the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 in this manner is a short band 52 that will be described later.

The band member 50 has a longitudinal band 51 and a transverse band 52. As shown in FIG. 1, two short bands 52 are arranged and hung in the front-rear direction and up-down direction (Y-axis direction and Z-axis direction) of the outdoor unit 150, and one long band 51 is placed in the width direction of the outdoor unit 150. and the vertical direction (X-axis direction and Z-axis direction). That is, in the packaging device 100, three band members 50 are used. However, the number of band members 50 used is not limited to three, and may be one or two, or four or more. Note that, in order to prevent damage to the lower corrugated cardboard material 20, the short band 52 is preferably hung at a position facing the lower right cushioning material 11 and the lower left cushioning material 12 via the lower corrugated cardboard material 20. The band tightening position is determined based on the vicinity of the leg portion 154, and the band member 50 is tied so as not to loosen.

FIG. 9 is a perspective view of the lower corrugated cardboard material 20 of the third modification of the packaging device 100 according to the embodiment. FIG. 10 is a developed view of the lower corrugated cardboard material 20 of the third modification of the packaging device 100 according to the embodiment. The long side wall portion 22 of the lower corrugated cardboard material 20 in the embodiment shown in FIGS. 3 and 4 includes an enlarged portion 22b. On the other hand, the long side wall portion 22 of the lower corrugated cardboard material 20 of the third modified example shown in FIGS. 9 and 10 does not include the enlarged portion 22b.

The folded portions 22c of the lower corrugated cardboard material 20 in the third modification are formed at both ends of the extended portion 22a in the longitudinal direction (X-axis direction) of the bottom plate portion 21. The lower corrugated cardboard material 20 does not need to include the enlarged portion 22b as in the third modification as long as the strength can be ensured.

[Packing work]
The operation of packing the outdoor unit 150 using the packing apparatus 100 will be described. In order to pack the outdoor unit 150 using the packaging device 100 as described above, a packing worker prepares the lower corrugated cardboard material 20 with the cut and raised portions 25 cut and raised. Next, the packing worker installs the lower cushioning material 10 on the lower corrugated cardboard material 20.

The packing worker places the lower right cushioning material 11 between the cut and raised portion 25 and the short side wall portion 23. Similarly, the packing worker arranges the lower left cushioning material 12 between the cut and raised portion 25 and the short side wall portion 23. The lower right cushioning material 11 and the lower left cushioning material 12 are fixed on the bottom plate part 21 with horizontal movement restricted by the cut and raised part 25, the long side wall part 22, and the short side wall part 23.

The packing worker places the bottom 151 of the outdoor unit 150 on the lower right cushioning material 11 and the lower left cushioning material 12. The packing worker also fits the pair of legs 154 of the outdoor unit 150 into the recess 13 and the recess 14, respectively. Then, the packing worker fits and places the upper right cushioning material 31 and the upper left cushioning material 32 on the top surface portion 152 of the outdoor unit 150, and places the upper corrugated cardboard material 40 thereon. Note that the outdoor unit 150 may be covered with a vinyl sheet (not shown) to prevent it from being scratched. Furthermore, a cardboard material (not shown) may be attached to the outdoor unit 150 to protect the front and rear surfaces of the outdoor unit 150.

The packing worker then ties one or more band members 50 around the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 from the outside. The packing worker fixes the lower corrugated cardboard material 20 and the upper corrugated cardboard material 40 with the band member 50, fixes the entire packaging device 100, and finishes the packing work of the outdoor unit 150. Note that the order of the packing operations described here is an example, and the order of each process may be changed, or other processes may be added.

[Transportation work]
FIG. 11 is a conceptual diagram showing an example of the transportation work of the outdoor unit 150 using the packaging device 100 according to the embodiment. To transport the packed outdoor unit 150, the worker places his hands 250 on the handles 26 provided on both short sides of the lower cardboard material 20, as shown in FIG. Lift the outdoor unit 150 from the ground 200. In the packaging device 100, a handle portion 26 is provided on the short side wall portion 23 of the lower corrugated cardboard material 20. The operator can lift the packed outdoor unit 150 by placing his/her hand on the handle portion 26, and therefore can easily lift and transport the packed outdoor unit 150.

In the packing apparatus 100 according to the embodiment, it is assumed that two workers transport the packed outdoor unit 150. Therefore, two handles 26 are provided on each short side of the lower corrugated cardboard material 20, and the operator can: Both hands can be placed on the handle portion 26.

FIG. 12 is a conceptual diagram showing an example of the transportation work of the outdoor unit 150 using the packaging device 100L according to the comparative example. In the packaging device 100L according to the comparative example, the handle portion 26 is not provided on the lower corrugated cardboard material 20. Therefore, when transporting the packed outdoor unit 150, the operator must either grasp the upper packaging material 110 while transporting the packed outdoor unit 150, or grasp the upper structure of the packed outdoor unit 150 and unpack it. The outdoor unit 150 is transported.

When lifting the packed outdoor unit 150 using the packing apparatus 100 shown in FIG. 11, the distance between the lower cardboard material 20L and the ground 200 can be increased in order to lift the lower part of the packed outdoor unit 150. This distance is defined as distance H1.

As shown in FIG. 12, the packing apparatus 100L according to the comparative example has a portion only at the top of the outdoor unit 150 for the operator to grasp the packed outdoor unit 150. Therefore, when the worker places his hands on the packed outdoor unit 150 and transports the outdoor unit 150, the distance between the lower corrugated cardboard material 20L and the ground 200 becomes shorter. This distance is defined as distance H2. When the worker positions the hand 250 at the same position from the ground 200, the distance H1 is larger than the distance H2. For example, the distance H1 is larger than the distance H2 by the height of the outdoor unit 150.

When the packing apparatus 100L according to the comparative example is used, when the worker places his/her hand on the packed outdoor unit 150 and transports the outdoor unit 150, the lower cardboard box is larger than when the packing apparatus 100 according to the embodiment is used. The distance between the material 20L and the ground 200 becomes shorter. Therefore, when the packaging device 100L according to the comparative example is used, the lower part of the packaging device 100L may come into contact with the ground 200, and the lower corrugated cardboard material 20L or the band member 50 may be damaged.

On the other hand, in the packaging device 100 according to the embodiment, as shown in FIG. In this case, a sufficient distance between the ground 200 and the lower corrugated cardboard material 20 can be secured. Therefore, the packaging device 100 according to the embodiment can prevent the lower corrugated cardboard material 20 and the band member 50 from coming into contact with the ground 200, and can prevent the lower corrugated cardboard material 20 and the band member 50 from being damaged. Note that the packing apparatus 100 of the embodiment does not prevent the upper packing material 110 and the upper part of the outdoor unit 150 from being held, and the worker can handle these parts as necessary to grasp the packed outdoor unit. 150 can also be carried.

[Operations and effects of the packaging device 100]
In the packaging device 100 for the outdoor unit 150, the lower corrugated cardboard material 20 extends in the direction of the rectangular plate-shaped bottom plate portion 21 on which the lower cushioning material 10 is placed, and the plate surface of the bottom plate portion 21 faces. It has a short side side wall portion 23 forming a side wall in the short side portion. At least one handle portion 26 is formed in the short side wall portion 23 at a position above the upper surface portion 10a of the lower cushioning material 10, and constitutes a through hole for placing a hand. The packaging apparatus 100 for the outdoor unit 150 does not require consideration of the shape and position of the hole for configuring the handle part 26 on the lower cushioning material 10 for the operator to place his/her hand on. The handle portion 26 can be formed with a simple structure. Furthermore, in the packaging device 100 for the outdoor unit 150, since the handle portion 26 is formed on the lower corrugated cardboard material 20, the packaging device 100 is packed more easily when being transported by a transporter than when the transporter grips the upper part of the packaging device 100. A distance between the device 100 and the ground 200 can be secured. Therefore, the packaging device 100 for the outdoor unit 150 can suppress contact between the packaging device 100 and the ground 200, compared to a case where the transporter grasps the upper part of the packaging device 100.

The packaging device of Patent Document 1, which is a prior art document, provides a through hole in a member corresponding to the long side wall portion 22 of the lower corrugated cardboard material 20, and a groove is provided in the member corresponding to the lower cushioning material 10, so that the packaging device can be used for a forklift truck. The outdoor unit can be transported by plugging it in. Therefore, in the packaging device of Patent Document 1, in order to provide the handle portion 26, it is necessary to change the shape of both members corresponding to the lower corrugated cardboard material 20 and the lower cushioning material 10, and the mold modification cost for the two parts is required. Become. On the other hand, since the packaging device 100 for the outdoor unit 150 of the present disclosure can be implemented by only changing the shape of the lower corrugated cardboard material 20 as described above, the mold modification cost for the lower cushioning material 10 is higher than that of the packaging device of Patent Document 1. Since this is not necessary, manufacturing costs can be reduced.

Further, the short side wall portion 23 of the packaging device 100 is located between the first side wall portion 23a, the second side wall portion 23b, and the first side wall portion 23a and the second side wall portion 23b. and a bent portion 23c that is bent so that the second side wall portion 23b and the second side wall portion 23b face each other. The short side wall portion 23 is configured as a double-layered side wall including a first side wall portion 23a and a second side wall portion 23b. The folded portion 22c of the long side wall portion 22 is folded in the direction along the short side wall portion 23, and is sandwiched between the first side wall portion 23a and the second side wall portion 23b.

The packaging device 100 for the outdoor unit 150 has a double-walled structure in which the short side wall portion 23 of the lower corrugated cardboard material 20 is folded twice, thereby ensuring strength compared to a single-layered wall. can. In addition, in the packing apparatus 100 for the outdoor unit 150, the folding part 22c is sandwiched between the first side wall part 23a and the second side wall part 23b, so that the folding part 22c is not sandwiched between these members. Thus, the fixation between the long side wall portion 22 and the short side wall portion 23 can be strengthened. In addition, since the packaging device 100 for the outdoor unit 150 can ensure the strength of the lower corrugated cardboard material 20 with this configuration, there is no need to use the lower cushioning material 10 processed into the shape of the handle portion 26. That is, in the packaging device 100 for the outdoor unit 150, there is no need to change the shape of the lower cushioning material 10 to form the handle portion 26.

Further, the long side wall portion 22 of the packaging device 100 is located between the extension portion 22a and the folded portion 22c, and extends from the center side to the end side of the lower corrugated cardboard material 20 in the longitudinal direction of the bottom plate portion 21. It includes an enlarged part 22b formed so that the height from the bottom plate part 21 increases as the height increases. Further, the folded portion 22c of the long side wall portion 22 is formed such that the height from the bottom plate portion 21 to the upper end portion 22c1 is higher than the height from the bottom plate portion 21 to the upper end portion 22a1 of the extension portion 22a. There is. Due to this configuration, the packing device 100 for the outdoor unit 150 can reduce the strength of the connecting portion between the short side wall portion 23 and the long side wall portion 22, which is subjected to a relatively load when the outdoor unit 150 packed in the packing device 100 is transported. can be secured. Due to this configuration, the packaging device 100 for the outdoor unit 150 does not need to increase the height of the entire wall of the long side wall portion 22, and the material consumption is reduced compared to the case where the height of the entire wall of the long side wall portion 22 is increased. Can reduce costs.

Moreover, the handle part 26 of the packaging device 100 has a first through-hole part 26a which constitutes a through-hole formed in the first side wall part 23a, and a second through-hole part which constitutes a through-hole formed in the second side wall part 23b. It is constructed by overlapping the hole portion 26b. In the packaging device 100 for the outdoor unit 150, the short side wall portion 23 on which the handle portion 26 is provided has a double wall structure, so that strength can be ensured compared to a single wall structure.

Moreover, the handle part 26 of the packaging device 100 has a first through-hole part 26a which constitutes a through-hole formed in the first side wall part 23a, and a second through-hole part which constitutes a through-hole formed in the second side wall part 23b. It is constructed by overlapping the hole portion 26b and the notch portion 22d of the folded portion 22c. In the packaging device 100 for the outdoor unit 150, the short side wall portion 23 on which the handle portion 26 is provided has a double wall structure, so that strength can be ensured compared to a single wall structure. In addition, in the packing apparatus 100 for the outdoor unit 150, the folding part 22c is sandwiched between the first side wall part 23a and the second side wall part 23b, so that the folding part 22c is not sandwiched between these members. Thus, the fixation between the long side wall portion 22 and the short side wall portion 23 can be strengthened. Further, by overlapping the first through hole portion 26a of the first side wall portion 23a, the second through hole portion 26b of the second side wall portion 23b, and the notch portion 22d of the folded portion 22c, the handle portion 26 can be further penetrated. Strength such as shear force in the hole portion can be increased. Furthermore, in the packaging device 100 for the outdoor unit 150, the notch 22d is formed in the fold-in portion 22c, so that the through-hole formed by the handle portion 26 is not blocked by the fold-in portion 22c.

The configuration shown in the above embodiments is an example, and it is possible to combine it with another known technology, and a part of the configuration can be omitted or changed without departing from the gist. It is possible.

10 lower cushioning material, 10a upper surface part, 11 lower right cushioning material, 11a upper surface part, 11b bottom surface part, 11c side surface part, 11d outer surface part, 11e inner surface part, 12 lower left cushioning material, 12a upper surface part, 12b bottom surface part, 12c Side surface, 12d outer surface, 12e inner surface, 13 recess, 14 recess, 20 lower corrugated cardboard, 20L lower corrugated cardboard, 21 bottom plate, 21a edge, 21b edge, 22 long side wall, 22a extension, 22a1 upper end, 22b enlarged part, 22c folded part, 22c1 upper end, 22d notch, 23 short side wall, 23a first side wall, 23b second side wall, 23c bent part, 25 cut-and-raised part, 25a cut-and-raise Hole portion, 26 handle portion, 26a first through hole portion, 26b second through hole portion, 28 fixing member, 30 upper cushioning material, 31 upper right cushioning material, 31a notch portion, 32 upper left cushioning material, 32a notch portion, 40 Upper corrugated cardboard material, 41 Top plate part, 42 Long side wall part, 43 Short side wall part, 50 Band member, 51 Longitudinal band, 52 Short band, 100 Packing device, 100L Packing device, 110 Upper packing material, 120 Lower part Packing materials, 150 Outdoor unit, 151 Bottom, 152 Top surface, 153 Housing side wall, 154 Legs, 155 Housing, 158 Air outlet, 200 Ground, 250 Hand, H1 distance, H2 distance.

Claims

A packaging device for an outdoor unit constituting an air conditioner,
a lower cushioning material on which the bottom of the outdoor unit is placed;
a lower corrugated cardboard material that is formed in a box shape with an open top surface and accommodates the lower cushioning material;
Equipped with
The lower corrugated cardboard material is
a rectangular plate-shaped bottom plate portion on which the lower cushioning material is placed;
a short side wall portion extending in the direction in which the plate surface of the bottom plate portion faces and forming a side wall in a short side portion of the bottom plate portion;
has
On the short side wall portion,
A packing device for an outdoor unit, wherein at least one handle portion constituting a through hole for placing a hand is formed at a position above an upper surface portion of the lower cushioning material.
The lower corrugated cardboard material is
a long side wall portion extending in the direction in which the plate surface of the bottom plate portion faces and forming a side wall of a long side portion of the bottom plate portion;
The long side wall portion is
In the longitudinal direction of the bottom plate part, it includes a fold-in part formed at both ends of the long side wall part,
The short side wall portion is
a first side wall portion, a second side wall portion, a bending portion located between the first side wall portion and the second side wall portion, and bent such that the first side wall portion and the second side wall portion face each other; and configured as a double-structured side wall by the first side wall part and the second side wall part,
The folding part is
The outdoor unit packaging device according to claim 1, wherein the packaging device is folded in a direction along the short side wall portion and is sandwiched between the first side wall portion and the second side wall portion.
The long side wall portion is
an extending portion extending in the longitudinal direction along an edge of the bottom plate portion;
It is located between the extension part and the folded part, and the height from the bottom plate part increases in the longitudinal direction of the bottom plate part from the center part side to the end part side of the lower corrugated cardboard material. an enlarged portion formed in;
including;
The folding part is
The outdoor unit packaging device according to claim 2, wherein the height from the bottom plate part to the top end is higher than the height of the extension part from the bottom plate part to the top end.
The handle portion is
a first through-hole portion constituting a through-hole formed in the first side wall portion;
a second through-hole portion constituting a through-hole formed in the second side wall portion;
4. The outdoor unit packaging device according to claim 2, wherein the outdoor unit packaging device is configured by stacking the following.
The folding part is
It has a notch that constitutes a through hole,
The handle portion is
The outdoor unit packaging device according to claim 4, which is configured by overlapping the first through-hole portion, the second through-hole portion, and the notch portion.