WO2023144858A1 - 梱包装置 - Google Patents

梱包装置 Download PDF

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Publication number
WO2023144858A1
WO2023144858A1 PCT/JP2022/002514 JP2022002514W WO2023144858A1 WO 2023144858 A1 WO2023144858 A1 WO 2023144858A1 JP 2022002514 W JP2022002514 W JP 2022002514W WO 2023144858 A1 WO2023144858 A1 WO 2023144858A1
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WO
WIPO (PCT)
Prior art keywords
plate
outdoor unit
lower box
plate portion
dimension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/002514
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
隆行 酒匂
大輝 藤田
俊行 久保野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2022/002514 priority Critical patent/WO2023144858A1/ja
Priority to JP2023576261A priority patent/JP7570540B2/ja
Publication of WO2023144858A1 publication Critical patent/WO2023144858A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form

Definitions

  • This disclosure relates to a packaging device.
  • Patent Document 1 discloses a packing device for packing an outdoor unit of a refrigeration cycle device when storing or transporting the outdoor unit.
  • a packaging device has a plate-shaped back packaging material (protection plate) for protecting the heat exchanger exposed on the rear side of the outdoor unit.
  • the rear packaging material is positioned so as to be sandwiched between two bottom cushioning materials (lower cushioning materials).
  • the present disclosure has been made in view of the circumstances described above, and one of the objects thereof is to provide a packaging device capable of improving workability of attaching a protective plate to a lower box body.
  • One aspect of the packaging device is a packaging device for an outdoor unit equipped with a heat exchanger, comprising two lower cushioning materials spaced apart from each other and on which the bottom of the outdoor unit is placed. a bottom plate portion on which the two lower cushioning materials are placed and a side plate portion rising from the edge of the bottom plate portion, the lower box opening upward; a plate-shaped protection plate that protrudes upward from the outdoor unit and covers the heat exchanger from the rear side of the outdoor unit, and the side plate portion includes a rear plate portion that extends in an arrangement direction in which the two lower cushioning materials are arranged.
  • a corner portion between the rear plate portion and the bottom plate portion is provided with a protrusion projecting into the interior of the lower box, and the protection plate has a recess into which the protrusion is inserted,
  • the concave portion has a pair of edges that sandwich the convex portion in the arrangement direction.
  • FIG. 1 is a perspective view showing a packing device according to an embodiment and an outdoor unit packed by the packing device;
  • FIG. It is the figure which looked at the packing device in embodiment, and the outdoor unit in the state packed by the packing device from the back.
  • It is an exploded perspective view showing a part of packing device in an embodiment, and an outdoor unit.
  • It is a perspective view which shows the lower box in embodiment.
  • FIG. 5 is a perspective view showing a part of the lower box in the embodiment, and is an enlarged view of the V portion of the lower box in FIG. 4; It is an expanded view of the lower box in embodiment.
  • FIG. 4 is a partial cross-sectional view of a state in which a lower cushioning material and a protection plate are arranged in a lower housing in the embodiment, viewed from above;
  • FIG. 6 is a cross-sectional view showing part of the lower housing in the embodiment, taken along line VIII-VIII in FIG. 5; It is the figure which looked at the protection plate in embodiment from the back. It is the figure which looked at the state which arranged the lower box and the protection plate in embodiment with respect to the outdoor unit from the back.
  • FIG. 11 is a rearward view of a part of the packaging device according to the embodiment, and is an enlarged view of the XI section in FIG. 10; It is a perspective view which shows the state which attached the protection plate in embodiment to the lower box.
  • FIG. 13 is a perspective view showing a part of the packaging device in the embodiment, and is an enlarged view of the XIII section in FIG. 12;
  • the drawings show the X-axis, Y-axis, and Z-axis as appropriate.
  • the X-axis indicates one of the horizontal directions.
  • the Y-axis indicates the other horizontal direction.
  • the Z-axis indicates the vertical direction.
  • the horizontal direction along the X-axis is called “front-rear direction X”
  • the horizontal direction along the Y-axis is called “left-right direction Y”
  • the vertical direction is called “vertical direction Z”.
  • the front-back direction X, the left-right direction Y, and the up-down direction Z are directions orthogonal to each other.
  • the side of the vertical direction Z to which the Z-axis arrow points (+Z side) is the upper side, and the opposite side of the vertical direction Z to which the Z-axis arrow points (-Z side) is the lower side.
  • the front-rear direction X is the front-rear direction of the outdoor unit 100 described later, and the left-right direction Y is the left-right direction of the outdoor unit 100 .
  • the side of the front-rear direction X to which the arrow of the X-axis points (+X side) is defined as the front side
  • the side opposite to the side of the front-rear direction X to which the arrow of the X-axis is directed is defined as the rear side.
  • the left-right direction Y is the left-right direction when the outdoor unit 100, which will be described later, is viewed from the front (+X direction). That is, the left side is the side to which the Y-axis arrow points in the left-right direction Y (+Y side), and the right side is the opposite side to the Y-axis arrow ( ⁇ Y side) in the left-to-right direction Y.
  • FIG. 1 is a perspective view showing the packing device 1 and the outdoor unit 100 packed by the packing device 1 according to the embodiment.
  • FIG. 2 is a rear view of the packing device 1 and the outdoor unit 100 packed by the packing device 1.
  • FIG. 3 is an exploded perspective view showing a part of the packaging device 1 and the outdoor unit 100.
  • the outdoor unit 100 packed in the packing device 1 is, for example, an outdoor unit of an air conditioner.
  • the outdoor unit 100 has a substantially rectangular parallelepiped shape.
  • the outdoor unit 100 has a substantially rectangular parallelepiped shape elongated in the horizontal direction Y when viewed in the vertical direction Z.
  • the outdoor unit 100 has a housing 110, a heat exchanger 150, a blower (not shown), and a compressor (not shown).
  • the housing 110 accommodates therein the heat exchanger 150, an air blower (not shown), and a compressor (not shown).
  • the housing 110 has a substantially rectangular parallelepiped box shape.
  • a pair of legs 112 are provided at the bottom of the housing 110 .
  • the pair of leg portions 112 are arranged with a space therebetween in the left-right direction Y. As shown in FIG.
  • the pair of legs 112 protrude to both sides in the front-rear direction X from the housing 110 .
  • the pair of legs 112 are placed on a lower cushioning material 20 which will be described later.
  • the portion of the outdoor unit 100 that includes the lower end portion of the housing 110 and the pair of legs 112 is the bottom portion 101 of the outdoor unit 100 .
  • the portion of the outdoor unit 100 that includes the upper end portion of the housing 110 is the top surface portion 102 of the outdoor unit 100 .
  • a portion of the housing 110 extending from the lower end portion to the upper end portion of the housing 110 in the vertical direction Z is a side wall portion 115 of the housing 110 .
  • Side wall portion 115 includes a rear wall portion 116 located on the rear side ( ⁇ X side) of the walls constituting housing 110 .
  • the heat exchanger 150 exchanges heat between the refrigerant flowing inside the heat exchanger 150 and the air passing through the heat exchanger 150 .
  • Heat exchanger 150 functions, for example, as an evaporator or a condenser.
  • Heat exchanger 150 is arranged to be exposed to the outside of housing 110 through opening 116 a formed in rear wall 116 of housing 110 . That is, the heat exchanger 150 is exposed on the rear side ( ⁇ X side) of the housing 110 .
  • the opening 116a opens rearward.
  • the opening 116a has a rectangular shape elongated in the horizontal direction Y. As shown in FIG.
  • the heat exchanger 150 has a pipe through which a refrigerant flows and a plurality of metal plates with holes through which the pipe passes.
  • the plurality of metal plates are arranged side by side at intervals. Some of the plurality of metal plates are exposed to the rear side ( ⁇ X side) of the outdoor unit 100 through the opening 116a.
  • the thickness of the plurality of metal plates is relatively small. The thickness of the plurality of metal plates is, for example, about 0.01 mm or more and 0.1 mm or less. Therefore, until the outdoor unit 100 is installed at a predetermined position, such as when the outdoor unit 100 is stored and transported, the plurality of metal plates in the heat exchanger 150 are deformed by impact from the outside of the outdoor unit 100. It is necessary to protect the heat exchanger 150 from
  • the packing device 1 is a packing device for packing the outdoor unit 100 described above.
  • the packing device 1 protects the outdoor unit 100 during storage and transportation of the outdoor unit 100 .
  • the packaging device 1 has a shock resistance that can protect the outdoor unit 100 from other members that come into contact with the outdoor unit 100 during storage and transportation of the outdoor unit 100, and is resistant to pressure applied to the outdoor unit 100. and pressure resistance that can protect the outdoor unit 100 .
  • the packaging device 1 includes a lower box 10, two lower cushioning materials 20, a protective plate 30, an upper box 40, and an upper cushioning material 50. Moreover, as shown in FIGS. 1 and 2 , the packing device 1 further includes a binding band 60 .
  • the lower box 10, the protective plate 30, and the upper box 40 are made of cardboard.
  • the lower cushioning material 20 and the upper cushioning material 50 are made of foamed polystyrene, for example.
  • the lower box 10 and the two lower cushioning materials 20 are positioned below the outdoor unit 100 .
  • the upper box 40 and the upper cushioning material 50 are positioned above the outdoor unit 100 .
  • the binding band 60 is used to fix the lower box 10 and the two lower shock absorbers 20 and the upper box 40 and the upper shock absorber 50 to the outdoor unit 100 .
  • the number of binding bands 60 is three in FIG. 1, it is not limited to this.
  • the number of binding bands 60 may be, for example, one, two, or four or more.
  • the two lower cushioning materials 20 are positioned with a gap in the left-right direction Y from each other. That is, the horizontal direction Y is the direction in which the two lower cushioning members 20 are arranged in this embodiment.
  • a bottom portion 101 of the outdoor unit 100 is placed on the two lower cushioning materials 20 .
  • the pair of legs 112 of the bottom portion 101 of the outdoor unit 100 are supported by the two lower cushioning members 20, respectively.
  • the two lower cushioning members 20 are each in the shape of a flat, substantially rectangular parallelepiped whose dimension in the up-down direction Z is smaller than its dimension in the front-rear direction X and the dimension in the left-right direction Y.
  • the two lower cushioning members 20 are each substantially rectangular in shape with the longitudinal direction X and the lateral direction Y as viewed in the vertical direction Z. As shown in FIG.
  • a groove 25 extending in the front-rear direction X is formed in the upper surface of each lower cushioning member 20 facing the bottom 101 of the outdoor unit 100 in the vertical direction Z.
  • a pair of legs 112 are fitted into the grooves 25 of each lower cushioning material 20 .
  • FIG. 4 is a perspective view showing the lower box body 10.
  • FIG. FIG. 5 is a perspective view showing part of the lower box 10, and is an enlarged view of the V portion of the lower box 10 in FIG.
  • FIG. 6 is an exploded view of the lower box 10.
  • the lower box body 10 has a box shape that opens upward.
  • the lower box 10 extends in the left-right direction Y.
  • the lower box 10 has a rectangular parallelepiped box shape that is long in the horizontal direction Y and flattened in the vertical direction Z.
  • the lower box 10 has a bottom plate portion 11 and side plate portions 12 .
  • the bottom plate portion 11 has a rectangular plate shape that is longer in the horizontal direction Y than in the front-rear direction X when viewed in the vertical direction Z.
  • the plate thickness direction of the bottom plate portion 11 is the vertical direction Z.
  • the side plate portion 12 rises upward (+Z direction) from the edge portion of the bottom plate portion 11 .
  • the side plate portion 12 has a front plate portion 121 , a rear plate portion 122 , a left plate portion 123 and a right plate portion 124 .
  • the front plate portion 121 rises upward from the front edge of the bottom plate portion 11 .
  • the rear plate portion 122 rises upward from the rear edge portion of the bottom plate portion 11 .
  • the front plate portion 121 and the rear plate portion 122 are substantially rectangular plates elongated in the left-right direction Y, respectively.
  • the thickness direction of the front plate portion 121 and the thickness direction of the rear plate portion 122 are the front-rear direction X. As shown in FIG.
  • the direction in which the front plate portion 121 and the rear plate portion 122 extend is the direction in which the two lower cushioning members 20 are arranged.
  • the left plate portion 123 rises upward from the left edge of the bottom plate portion 11 .
  • the right side plate portion 124 rises upward from the right edge portion of the bottom plate portion 11 .
  • the left side plate portion 123 and the right side plate portion 124 each have a substantially rectangular plate shape elongated in the front-rear direction X. As shown in FIG.
  • the thickness direction of the left side plate portion 123 and the right side plate portion 124 is the horizontal direction Y. As shown in FIG.
  • Both ends of the front plate portion 121 in the left-right direction Y are connected to the front (+X side) end of the right side plate portion 124 and the front end portion of the left side plate portion 123, respectively.
  • Both ends of the rear plate portion 122 in the horizontal direction Y are connected to the rear (-X side) end of the right side plate portion 124 and the rear side end of the left side plate portion 123, respectively.
  • the lower box body 10 is made of one plate-shaped cardboard material.
  • the lower box body 10 is made into a box shape with an upward opening by folding a part of the cardboard material. Specifically, the portion forming the front plate portion 121, the portion forming the rear plate portion 122, and the left side plate portion 123 of the corrugated cardboard member are added to the portion forming the bottom plate portion 11 of the corrugated cardboard member.
  • the lower box body 10 is made by bending upward the forming part and the part forming the right side plate part 124 .
  • FIG. 6 shows the front plate portion 121, the rear plate portion 122, the left plate portion 123, and the right plate portion 124 before being bent.
  • FIG. 7 is a partial cross-sectional view of the state in which the lower cushioning material 20 and the protective plate 30 are arranged in the lower box body 10, viewed from above (+Z direction).
  • FIG. 7 schematically shows the lower cushioning material 20 .
  • FIG. 7 shows a cross section of a portion of the protection plate 30 located inside the lower housing 10 .
  • the two lower cushioning materials 20 described above are mounted.
  • the two lower cushioning members 20 are arranged close to the left side plate portion 123 and the right side plate portion 124 so as to be spaced apart from each other in the left-right direction Y. As shown in FIG.
  • Each lower cushioning material 20 has one vertical side extending in the front-rear direction X along the left side plate portion 123 or the right side plate portion 124, and two horizontal sides extending in the left-right direction Y being the front plate portion 121 and the rear plate portion 121, respectively. It is arranged along the plate portion 122 .
  • the bottom plate portion 11 may be provided with a holding portion for holding the positions of the two lower cushioning members 20, for example.
  • the holding portion may be configured by, for example, a cut-and-raised piece formed by cutting and raising a portion of the bottom plate portion 11 .
  • FIG. 8 is a cross-sectional view showing part of the lower housing 10, taken along line VIII-VIII in FIG.
  • the corners of the bottom plate portion 11 and the rear plate portion 122 of the lower box body 10 are provided with protrusions 14 projecting inside the lower box body 10.
  • the convex portion 14 is connected to the upper surface of the bottom plate portion 11 facing upward and the inner surface of the rear plate portion 122 facing forward.
  • the protrusion 14 is arranged in the central portion of the lower box 10 in the left-right direction Y. As shown in FIG.
  • the convex portion 14 is positioned between two lower cushioning members 20 in the left-right direction Y.
  • the convex portion 14 is positioned between the two lower cushioning materials 20 in the horizontal direction Y
  • the position of the convex portion 14 in the horizontal direction Y is between the two lower cushioning materials 20 in the horizontal direction.
  • the protrusion 14 does not have to be sandwiched between the two lower cushioning members 20 in the horizontal direction Y as long as it is included in the Y position.
  • the convex portion 14 is shifted rearward with respect to the area between the two lower cushioning materials 20 .
  • At least a portion of the convex portion 14 may be positioned, for example, in the region between the two lower cushioning members 20 . That is, the projection 14 may have a portion whose position in the front-rear direction X is the same as the position in the front-rear direction X of a part of the two lower cushioning materials 20 .
  • the specific shape of the convex portion 14 may be arbitrary. As shown in FIGS. 4 and 5, the convex portion 14 in this embodiment extends in the horizontal direction Y. As shown in FIGS. The convex portion 14 has a front plate portion 141 and an upper plate portion 142 . The front plate portion 141 protrudes upward from the bottom plate portion 11 . The front plate portion 141 has a rectangular plate shape elongated in the left-right direction Y. As shown in FIG. The plate thickness direction of the front plate portion 141 is the front-rear direction X. As shown in FIG. The upper plate portion 142 protrudes forward from the rear plate portion 122 . The upper plate portion 142 has a rectangular plate shape elongated in the horizontal direction Y. As shown in FIG.
  • the plate thickness direction of the upper plate portion 142 is the vertical direction Z. As shown in FIG. The upper end portion of the front plate portion 141 and the front end portion of the upper plate portion 142 are connected.
  • convex portion 14 is composed of front plate portion 141 and upper plate portion 142 .
  • the front plate portion 141 and the upper plate portion 142 form the convex portion 14 in the shape of a hollow quadrangular prism whose longitudinal direction is the left-right direction Y. As shown in FIG.
  • the height dimension H2 of the projection 14 in the vertical direction Z and the depth dimension L2 of the projection 14 in the front-rear direction X are equal to each other. Note that the height dimension H2 and the depth dimension L2 may be different from each other.
  • a length dimension W2 of the projection 14 in the left-right direction Y shown in FIG. 7 is larger than a height dimension H2 and a depth dimension L2 of the projection 14 shown in FIG.
  • convex portion 14 in the present embodiment is formed by cutting and raising a portion of bottom plate portion 11 and a portion of rear plate portion 122 inside lower box 10. This is the formed cut-and-raised part. A method for forming the convex portion 14 will be described below.
  • a pair of slits 143 are formed in one sheet of plate-like corrugated cardboard material forming the lower box body 10, as shown in FIG.
  • the pair of slits 143 extend in the front-rear direction X so as to pass through the corrugated board material and intersect the boundary between the bottom plate portion 11 and the rear plate portion 122 .
  • the pair of slits 143 are positioned apart from each other in the horizontal direction Y. As shown in FIG.
  • the portion of the boundary between the bottom plate portion 11 and the rear plate portion 122 other than the portion positioned between the pair of slits 143 is viewed from above. It is folded into a valley fold, and a portion of the boundary between the bottom plate portion 11 and the rear plate portion 122 located between the pair of slits 143 is folded into a mountain fold when viewed from above.
  • the portion of the bottom plate portion 11 positioned between the pair of slits 143 and the portion of the rear plate portion 122 positioned between the pair of slits 143 are cut and raised. , and the convex portion 14 is formed.
  • a portion of the cut-and-raised bottom plate portion 11 constitutes a front plate portion 141 .
  • a portion of the cut-and-raised rear plate portion 122 constitutes an upper plate portion 142 .
  • the convex portion 14 formed in this way looks like the corners of the bottom plate portion 11 and the rear plate portion 122 are recessed from the outside.
  • the length dimension W2 of the projection 14 is smaller than the dimension of the lower box body 10 in the horizontal direction Y.
  • the length dimension W2 of the convex portion 14 is smaller than the width dimension W1 of the protection plate 30 in the left-right direction Y.
  • the length dimension W2 of the convex portion 14 is equal to or less than the interval D1 between the two lower cushioning members 20 in the left-right direction Y. As shown in FIG. Thereby, it is possible to suppress the protrusion 14 from interfering with the two lower cushioning materials 20 .
  • the length dimension W ⁇ b>2 of the convex portion 14 may be any length that allows the protective plate 30 to be held by the convex portion 14 .
  • the length dimension W2 of the convex portion 14 may be, for example, 1 ⁇ 5 or more of the width dimension W1 of the protection plate 30 .
  • the height dimension H2 and the depth dimension L2 of the convex portion 14 shown in FIG. It is preferable to have a size that facilitates the formation of the projection 14 by cutting and raising a part of it. Moreover, it is preferable that the height dimension H2 and the depth dimension L2 of the projection 14 are dimensions so that the projection 14 does not interfere with the bottom portion 101 of the outdoor unit 100 placed on the lower box body 10 .
  • the height dimension H2 of the convex portion 14 is smaller than the height dimension H1 of the rear plate portion 122 in the vertical direction Z. As shown in FIG. In the present embodiment, the height dimension H2 of the convex portion 14 is 1/2 or more of the height dimension H1 of the rear plate portion 122 in the vertical direction Z. As shown in FIG.
  • the upper limit of the height dimension H2 of the projection 14 may be set to a dimension that does not interfere with the bottom 101 of the outdoor unit 100 placed on the lower box 10, for example.
  • the depth dimension L2 of the projection 14 may be equal to the height dimension H2 of the projection 14 .
  • FIG. 9 is a view of the protective plate 30 viewed from the rear (-X direction).
  • FIG. 10 is a view of the outdoor unit 100 with the lower housing 10 and the protective plate 30 arranged, viewed from the rear (-X direction).
  • FIG. 11 is a view of a portion of the packaging device 1 as seen from the rear, and is an enlarged view of the XI section in FIG.
  • FIG. 12 is a perspective view showing a state in which the protective plate 30 is attached to the lower housing 10.
  • FIG. 13 is a perspective view showing a part of the packing device 1, and is an enlarged view of the XIII section in FIG. 12.
  • FIG. 13 is a perspective view showing a part of the packing device 1, and is an enlarged view of the XIII section in FIG. 12.
  • the protective plate 30 is formed in a plate shape with the front-rear direction X as the plate thickness direction.
  • the protective plate 30 is formed in a rectangular shape having sides extending in the vertical direction Z and sides extending in the horizontal direction Y when viewed in the front-rear direction X.
  • the protection plate 30 covers the heat exchanger 150 from the rear side of the outdoor unit 100 .
  • the protection plate 30 is arranged with respect to the lower box 10 so as to protrude upward from the inside of the lower box 10 than the lower box 10 .
  • the portion of the protective plate 30 located inside the lower housing 10, that is, the lower end portion of the protective plate 30, is arranged to overlap the inside of the rear plate portion 122 in the front-rear direction X, that is, the front side (+X side). be done.
  • the lower end of the protective plate 30 is sandwiched between the rear plate portion 122 and the two lower cushioning members 20 placed on the bottom plate portion 11 of the lower box 10 in the front-rear direction X. retained. More specifically, both ends of the lower end portion of the protection plate 30 in the left-right direction Y are sandwiched and held between each of the two lower cushioning members 20 and the rear plate portion 122 .
  • the gap between the rear plate portion 122 and the lower cushioning material 20 in the front-rear direction X may be equal to or less than the thickness dimension of the protection plate 30, for example.
  • the gap between the rear plate portion 122 and the lower cushioning material 20 is larger than the thickness dimension of the protective plate 30.
  • the difference between the gap between the rear plate portion 122 and the lower cushioning material 20 and the thickness dimension of the protective plate 30 is small.
  • the difference between the gap between the rear plate portion 122 and the lower cushioning material 20 and the thickness dimension of the protective plate 30 may be, for example, about 1 mm or more and 2 mm or less.
  • the width dimension W1 of the protection plate 30 in the left-right direction Y is equal to or less than the width dimension of the lower housing 10 in the left-right direction Y.
  • a width dimension W1 of the protection plate 30 is larger than a width dimension W0 of the heat exchanger 150 in the horizontal direction Y.
  • both edges in the left-right direction Y of the protection plate 30 are located outside in the left-right direction Y of both edges in the left-right direction Y of the heat exchanger 150 .
  • the upper edge of protective plate 30 is located above the upper end of heat exchanger 150 .
  • the lower edge of the protection plate 30 is positioned below the lower end of the heat exchanger 150 . That is, the entire heat exchanger 150 overlaps the protective plate 30 when viewed in the front-rear direction X.
  • the protection plate 30 has recesses 31 .
  • the concave portion 31 is formed at the lower end portion of the protective plate 30 and opens below the protective plate 30 .
  • the concave portion 31 penetrates the protective plate 30 in the front-rear direction X.
  • the protrusions 14 of the lower housing 10 are inserted into the recesses 31 of the protective plate 30 .
  • the concave portion 31 has a pair of edges 31 a and 31 b sandwiching the convex portion 14 in the horizontal direction Y when the convex portion 14 is inserted into the concave portion 31 .
  • the concave portion 31 is formed in a shape corresponding to the convex portion 14 when viewed in the front-rear direction X. As shown in FIG. That is, the recess 31 extends in the left-right direction Y when viewed in the front-rear direction X, like the protrusion 14 . Specifically, the concave portion 31 is formed in a rectangular shape with the left-right direction Y as the longitudinal direction when viewed in the front-rear direction X. As shown in FIG. That is, the length dimension W3 of the recess 31 in the horizontal direction Y is greater than the height dimension H3 of the recess 31 in the vertical direction Z. As shown in FIG. The length dimension W3 of the recess 31 is the distance between the pair of edges 31a and 31b of the recess 31. As shown in FIG.
  • the height dimension H3 and length dimension W3 of the concave portion 31 are set so as not to interfere with the convex portion 14 of the lower box body 10 .
  • the height dimension H3 of the concave portion 31 is equal to or greater than the height dimension H2 of the convex portion 14 .
  • the length dimension W3 of the concave portion 31 is greater than or equal to the length dimension W2 of the convex portion 14 .
  • the length dimension W3 of the concave portion 31 is such that even if the protective plate 30 moves in the horizontal direction Y with respect to the lower housing 10 with the convex portion 14 inserted into the concave portion 31, , is set so that the heat exchanger 150 is not exposed rearward.
  • the difference between the length dimension W3 of the concave portion 31 and the length dimension W2 of the projection portion 14 is the difference between the width dimension W1 of the protective plate 30 and the width dimension W0 of the heat exchanger 150. It is below.
  • the difference between the length dimension W3 of the recess 31 and the length dimension W2 of the projection 14 is a value obtained by subtracting the length dimension W2 of the projection 14 from the length dimension W3 of the recess 31 .
  • the difference between the width dimension W1 of the protection plate 30 and the width dimension W0 of the heat exchanger 150 is a value obtained by subtracting the width dimension W0 of the heat exchanger 150 from the width dimension W1 of the protection plate 30 .
  • the protection plate 30 is arranged with respect to the outdoor unit 100 so that the center of the protection plate 30 in the left-right direction Y coincides with the center of the heat exchanger 150 in the left-right direction Y.
  • the distance D2 from the end of the heat exchanger 150 in the horizontal direction Y to the end of the protective plate 30 in the horizontal direction Y is (width dimension W1 ⁇ width dimension W0)/ 2.
  • the protection plate 30 is arranged with respect to the lower housing 10 so that the center of the concave portion 31 in the left-right direction Y coincides with the center of the convex portion 14 in the left-right direction Y.
  • the distance D3 from the end of the convex portion 14 in the horizontal direction Y to the edges 31a and 31b of the concave portion 31 in the horizontal direction Y is (Length W3 ⁇ Length W2 )/2.
  • the distance D3 is smaller than the length dimension W2 of the protrusion 14 .
  • the distance D3 is 1/2 or less of the length dimension W2 of the projection 14 .
  • the center of the protection plate 30 in the left-right direction Y may be shifted in the left-right direction Y with respect to the center of the heat exchanger 150 in the left-right direction Y. That is, the distances D2 on both sides in the left-right direction Y may be different from each other.
  • the center of the concave portion 31 in the horizontal direction Y may be shifted in the horizontal direction Y with respect to the center of the convex portion 14 in the horizontal direction Y. That is, the distances D3 on both sides in the left-right direction Y may be different from each other.
  • the upper box body 40 has a box shape that opens downward.
  • the upper box 40 extends in the left-right direction Y.
  • the upper box 40 has a rectangular parallelepiped box shape that is long in the horizontal direction Y and flattened in the vertical direction Z.
  • the upper box 40 has a rectangular plate-shaped top plate portion 41 elongated in the left-right direction Y, and side plate portions 42 projecting downward from the edge portions of the top plate portion 41 .
  • the top plate portion 41 and the side plate portions 42 of the upper box 40 are formed in the same manner as the bottom plate portion 11 and the side plate portions 12 of the lower box 10 except for the convex portion 14 .
  • the upper cushioning material 50 is arranged inside the upper box body 40 .
  • Two upper cushioning members 50 are arranged with an interval in the left-right direction Y. As shown in FIG. The two upper cushioning materials 50 are placed on both ends in the left-right direction Y of the top surface portion 102 of the outdoor unit 100 .
  • the upper end of the protection plate 30 is positioned inside the upper box 40 . Although illustration is omitted, the upper end portion of the protection plate 30 is sandwiched between the rear side portion of the side plate portion 42 of the upper box 40 and the upper cushioning material 50 disposed inside the upper box 40. retained.
  • a worker who packs the outdoor unit 100 with the packing device 1 first places two lower cushioning materials 20 on the bottom plate portion 11 of the lower box body 10 .
  • the two lower cushioning members 20 are arranged with a space therebetween in the horizontal direction Y.
  • the two lower cushioning materials 20 are arranged so that a gap is formed between them and the rear plate portion 122 of the lower box body 10 .
  • the two lower cushioning materials 20 may be fixed to the lower box body 10, for example.
  • the worker places the outdoor unit 100 on the two lower cushioning materials 20 .
  • the operator attaches the protective plate 30 to the lower box body 10 .
  • the operator inserts the lower end of the protection plate 30 into the lower box 10 and inserts the projection 14 of the lower box 10 into the recess 31 of the protection plate 30 .
  • the worker inserts both ends of the lower end of the protection plate 30 in the left-right direction Y into the gaps between the rear plate portion 122 of the lower box 10 and the two lower cushioning members 20 .
  • the protection plate 30 is arranged in a state of protruding upward from the inside of the lower box 10 .
  • the portion of the protection plate 30 protruding upward from the lower box 10 covers the heat exchanger 150 of the outdoor unit 100 from the rear side.
  • the work of attaching the protection plate 30 may be performed after the outdoor unit 100 is placed on the lower cushioning material 20, or may be performed before the outdoor unit 100 is placed on the lower cushioning material 20.
  • the worker places the upper cushioning material 50 on the top surface portion 102 of the outdoor unit 100 . Further, the operator places the upper box 40 on the outdoor unit 100 so that the upper cushioning material 50 is inside the upper box 40 .
  • the upper cushioning material 50 may be fixed in the upper box body 40 in advance.
  • the upper end of the protection plate 30 is inserted into the gap between the side plate part 42 of the upper box body 40 and the upper cushioning material 50 .
  • the operator fixes the lower box 10 and the two lower cushioning materials 20 and the upper box 40 and the upper cushioning material 50 to the outdoor unit 100 with a plurality of binding bands 60 .
  • the packing work of the outdoor unit 100 by the packing device 1 is completed.
  • the bottom plate portion 11 and the rear plate portion 122 of the lower box body 10 opening upward are provided with projections 14 protruding into the interior of the lower box body 10 at the corners thereof.
  • a plate-shaped protective plate 30 that covers the heat exchanger 150 from the rear side of the outdoor unit 100 has a concave portion 31 into which the convex portion 14 is inserted.
  • the concave portion 31 has a pair of edges 31a and 31b that sandwich the convex portion 14 in the horizontal direction Y.
  • FIG. Therefore, when the protective plate 30 is attached to the lower box 10 , the convex portion 14 provided on the lower box 10 is inserted into the concave portion 31 of the protective plate 30 , so that the protective plate 30 is attached to the lower box 10 . Movement in the left-right direction Y can be suppressed. That is, the protection plate 30 can be positioned with respect to the lower box 10 in the left-right direction Y. As shown in FIG.
  • the operator when positioning the protection plate 30 with respect to the lower box 10 , the operator only has to watch the part where the protrusion 14 provided on the lower box 10 is inserted into the recess 31 of the protection plate 30 . In other words, the operator does not have to pay attention to two parts of the protective plate 30 that are separated from each other when arranging the protective plate 30 as in the conventional art. Therefore, the attachment workability of the protective plate 30 to the lower housing 10 can be improved.
  • the positioning of the protective plate 30 with respect to the lower box 10 is realized by inserting the convex portion 14 provided on the lower box 10 into the concave portion 31 of the protective plate 30 . Therefore, unlike the case where the protection plate 30 is positioned in the horizontal direction Y by means of two lower cushioning members 20, the width dimension W1 of the protection plate 30 in the horizontal direction Y is the distance D1 between the two lower cushioning members 20. Independent. Therefore, it is possible to prevent the width dimension W1 of the protective plate 30 from becoming excessively longer than the width dimension W0 of the heat exchanger 150. FIG. Therefore, it is possible to prevent the protection plate 30 from becoming unnecessarily large in the left-right direction Y.
  • the convex portion 14 provided on the lower box 10 is a cut-and-raised portion formed by cutting and raising part of the bottom plate portion 11 and part of the rear plate portion 122. . That is, the convex portion 14 is formed by part of the lower box 10 . Therefore, it is not necessary to prepare a separate member for forming the convex portion 14 . Therefore, the manufacturing cost of the packaging device 1 can be reduced by reducing the number of component parts of the packaging device 1 .
  • the convex portion 14 provided on the lower box 10 is located between the two lower cushioning members 20 in the left-right direction Y.
  • the dimension of the lower box body 10 in the front-rear direction X is suppressed from increasing compared to the case where the projection 14 is arranged to face the lower cushioning material 20 in the front-rear direction X, and the projections 14 can be suppressed from interfering with the lower cushioning material 20 .
  • the portion of the protective plate 30 located inside the lower housing 10 that is, the lower end portion of the protective plate 30 is sandwiched between the rear plate portion 122 and the two lower cushioning members 20 . retained. Therefore, the protection plate 30 can be held in the front-rear direction X in which the rear plate portion 122 and the lower cushioning material 20 are arranged. Therefore, the protection plate 30 can be positioned with respect to the lower housing 10 in the left-right direction Y and the front-rear direction X by the projection 14 and the two lower cushioning members 20 .
  • the protection plate 30 can be held in the front-rear direction X, the protection plate 30 attached to the lower box body 10 can be prevented from falling down in the plate thickness direction of the protection plate 30, that is, in the front-rear direction X. As a result, the position of the upper end portion of the protection plate 30 can be prevented from being displaced in the front-rear direction X in a state where the lower end portion of the protection plate 30 is attached inside the lower box body 10 .
  • the upper end of the protection plate 30 can be easily attached to the upper box body 40 .
  • the difference between the length dimension W3 of the concave portion 31 in the horizontal direction Y and the length dimension W2 of the convex portion 14 in the horizontal direction Y is the width dimension W1 of the protection plate 30 in the horizontal direction Y. and the width dimension W0 of the heat exchanger 150 in the horizontal direction Y or less. Therefore, even if the protective plate 30 moves in the horizontal direction Y with respect to the lower box 10 in a state where the convex portion 14 provided on the lower box 10 is inserted into the concave portion 31 of the protective plate 30, the heat exchanger 150 can be suppressed from being exposed rearward without being covered by the protective plate 30. - ⁇
  • the projection 14 provided on the lower box 10 and the recess 31 of the protective plate 30 are shaped to extend in the left-right direction Y.
  • the protection plate 30 can be stably positioned with respect to the lower box 10.
  • the projection 14 is made of corrugated cardboard as in the present embodiment
  • the length dimension W2 of the projection 14 in the left-right direction Y is long, so that the rigidity of the projection 14 in the left-right direction Y can be easily secured.
  • the protective plate 30 can be suitably positioned with respect to the lower housing 10 .
  • the projections 14 and the recesses 31 used for positioning the protective plate 30 are made of paper such as corrugated cardboard. Therefore, compared with the case where the protrusions 14 and the recesses 31 are formed in a member made of polystyrene foam such as the lower cushioning material 20, the protrusions 14 and the recesses 31 can be formed easily. This point will be described below.
  • the shape of the mold for molding the member made of polystyrene foam is changed, or the polystyrene foam after molding is shaved to form the convex portion 14 and the concave portion 31. It is necessary to form a recess 31 and the like. Therefore, the cost and time for manufacturing the packaging device 1 may increase.
  • the molding die for molding the Styrofoam member has a complicated shape in order to form the projections 14 and the recesses 31, there is a possibility that the molding accuracy of the member using the molding die may deteriorate.
  • the convex portion 14 and the concave portion 31 when forming the convex portion 14 and the concave portion 31 with a paper product such as corrugated cardboard, a step of cutting a part of the paper product to form a slit and folding a part of the paper product are performed.
  • the convex portion 14 and the concave portion 31 can be easily formed by a simple process such as a process. Therefore, compared with the case where the protrusions 14 and the recesses 31 are formed on the member made of polystyrene foam, the protrusions 14 and the recesses 31 can be formed at low cost and in a short time. Moreover, even if the shape of the paper product becomes complicated by forming the convex portion 14 and the concave portion 31, the complicated shape can be easily formed.
  • the number of projections provided on the lower box body and the number of recesses of the protective plate into which the projections are inserted is not limited to one, and may be two or more, for example.
  • the plurality of protrusions and the plurality of recesses are, for example, arranged side by side at intervals in the direction in which the two lower cushioning members are arranged (horizontal direction Y).
  • the convex portion provided on the lower box is not limited to being arranged between the two lower cushioning materials in the arrangement direction (horizontal direction Y) of the two lower cushioning materials. It may be co-located with a portion of at least one of the members. That is, at least part of the protrusion may be arranged at a position adjacent to the lower cushioning material in the direction (front-rear direction X) orthogonal to both the arrangement direction and the up-down direction.
  • the protrusion provided on the lower box is not limited to being formed by part of the lower box, and may be a member separate from the lower box. In this case, the member forming the projection may be fixed to the lower box.
  • the packing device in the present disclosure may be a packing device for packing an outdoor unit, and may be a packing device for packing an outdoor unit used for any purpose.
  • the outdoor unit packed by the packing device may be an outdoor unit of a refrigeration cycle device other than an air conditioner such as a heat pump water heater.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Buffer Packaging (AREA)
PCT/JP2022/002514 2022-01-25 2022-01-25 梱包装置 Ceased WO2023144858A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2022/002514 WO2023144858A1 (ja) 2022-01-25 2022-01-25 梱包装置
JP2023576261A JP7570540B2 (ja) 2022-01-25 2022-01-25 梱包装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169091U (https=) * 1984-10-11 1986-05-12
JP2013067417A (ja) * 2011-09-26 2013-04-18 Panasonic Corp 梱包装置
WO2020039471A1 (ja) * 2018-08-20 2020-02-27 三菱電機株式会社 冷凍サイクル装置の室外機の梱包体
WO2020129241A1 (ja) * 2018-12-21 2020-06-25 三菱電機株式会社 室外機の梱包装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169091U (https=) * 1984-10-11 1986-05-12
JP2013067417A (ja) * 2011-09-26 2013-04-18 Panasonic Corp 梱包装置
WO2020039471A1 (ja) * 2018-08-20 2020-02-27 三菱電機株式会社 冷凍サイクル装置の室外機の梱包体
WO2020129241A1 (ja) * 2018-12-21 2020-06-25 三菱電機株式会社 室外機の梱包装置

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