JP4231263B2 - Packing structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packing structure, and more particularly to a packing structure for heavy objects such as a refrigerator.
[0002]
[Prior art]
When packing heavy items such as refrigerators and showcases, cover the cardboard case from the top of the items to be packed and place the cardboard case on the wooden packing frame. A case in which a case is bound and packed by a binding band is known (for example, see Patent Document 1 and Patent Document 2).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 5-124683 (page 2, FIG. 2)
[Patent Document 2]
JP-A-6-115564 (2nd page, FIG. 3)
[0004]
[Problems to be solved by the invention]
However, since the packing frame base is made of wood, it is heavy by itself, is inconvenient to carry during the packing operation, increases the burden on the operator, and is inferior in workability. In addition, since the packaging frame base as a packaging material and the cardboard case are made of different materials (wood and paper), the packaging material costs increase, and the packaging material disposal process becomes complicated.
[0005]
OBJECT OF THE INVENTION
In view of the above-described problems inherent in the above-described conventional technology, the present invention has been proposed to suitably solve this problem, and can be easily packaged and can simplify disposal. The purpose is to provide a structure.
[0006]
[Means for Solving the Problems]
In order to overcome the above-mentioned problems and achieve the desired purpose suitably, the packaging structure according to the present invention is:
And a lower ball casing is formed such that the upper is opened by bending each flap formed in the four sides of the rectangular bottom plate upwardly,
Cardboard plate object to be packed is placed to the set to smaller external dimensions than the internal dimensions of the lower ball case attached to the bottom plate upper surface, the drainage pipe is provided so as to protrude from the bottom surface,
In a state where the lower side is opened and covers an object to be packed placed on the cardboard plate from above, the lower cardboard case and the upper cardboard case bound by a binding tool ,
The bottom plate and the corrugated board are formed with a plurality of through-holes through which the drain pipes of the packaged articles are inserted at a plurality of locations corresponding to the positions of the drain pipes in the packages to be packaged having different specifications .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, the packaging structure according to the present invention will be described in detail below with reference to the accompanying drawings by giving a preferred embodiment.
[0008]
1 to 3 show an overall configuration of a packing structure according to an embodiment, and the embodiment is configured to pack the refrigerator 10 as an object to be packed. The refrigerator 10 is provided with a cabinet 14 defining a machine room therein on one side in the left-right direction (left side in FIG. 1) of a heat insulating box 12 that defines a storage room. The unit is configured to be stored. The cabinet 14 is open to the front and sides, and a front panel 16 is detachably disposed at the front opening, and a side panel 18 is detachably disposed at the side opening. The side panel 18 is formed by bending a flange 18b set on the lower surface side of the cabinet 14 at the lower end edge of the side plate portion 18a set to a size capable of covering the side opening (see FIG. 6). The side panel 18 is attached to the cabinet 14 at the final stage of the product assembly process. In addition, the main body of the refrigerator 10 is comprised from the heat insulation box 12 and the cabinet 14.
[0009]
As shown in FIG. 1, the lower cardboard case 20 constituting the packing structure has front and rear flaps 22a and 22b and left and right flaps 22c on four sides of a bottom plate 22 formed in a rectangular shape larger than the outer dimensions of the refrigerator 10. , 22d are connected in series, and each flap 22a, 22b, 22c, 22d is bent at a substantially right angle toward the upper side to form a box shape that opens upward. The front and rear and the left and right of the bottom plate 22 correspond to the front and rear and the left and right of the refrigerator 10, respectively.
[0010]
On the upper surface of the bottom plate 22 of the lower cardboard case 20, a cardboard plate 24 that functions as a flat plate-shaped reinforcing plate that is set smaller than the internal dimension of the case 20 is firmly bonded and fixed over the entire surface. The refrigerator 10 is configured to be placed on the corrugated board 24. The horizontal dimension of the corrugated board 24 is set to be shorter than the corresponding horizontal dimension of the refrigerator 10, and the cabinet 14 is placed with the refrigerator 10 placed on the corrugated board 24 as shown in FIG. A gap having a dimension capable of setting the flange 18b of the side panel 18 is defined on the lower surface of the cabinet 14 between the lower surface of the open end side and the upper surface of the bottom plate 22.
[0011]
As shown in FIGS. 4 and 5, the front and rear edge portions of the left and right flaps 22 c and 22 d formed on the bottom plate 22 are notched so as to be closer to the other flaps 22 d and 22 c as they are separated from the bottom plate 22. Portions 26 and 26 are respectively formed. When the flaps are bent to the position where the left and right end edges of the front and rear flaps 22a and 22b contact the front and rear end edges of the corresponding left and right flaps 22c and 22d, the front and rear flaps 22a and 22b The inner angle with respect to the bottom plate 22 is an acute angle, and the spacing between the front and rear flaps 22a, 22b is configured to become shorter from the bottom plate 22 side upward. As a result, the lower end portion of the upper cardboard case 34 described later can be easily externally fitted to the lower cardboard case 20 (the side frame portion comprising the four flaps 22a, 22b, 22c, 22d).
[0012]
The bottom plate 22 and the cardboard plate 24 of the lower cardboard case 20 are formed with a plurality of through holes 28 penetrating them at required positions. As shown in FIG. 1, the through hole 28 is provided at a position corresponding to the drain pipe 30 protruding from the bottom surface of the refrigerator 10, and the refrigerator 10 is placed on the corrugated board 24 so that the drain pipe 30 is inserted into the through hole 28. The refrigerator 10 is configured to be in a stable placement state. The length of the through hole 28, that is, the combined thickness of the bottom plate 22 and the corrugated board 24 is set longer than the protruding dimension of the drain pipe 30 from the refrigerator bottom, and the drain pipe 30 inserted through the through hole 28 is the case. It is configured not to protrude from the lower surface. The formation positions of the plurality of through holes 28 are set so as to correspond to the arrangement positions of the drain pipes in the refrigerators having different specifications, and one type of lower cardboard case 20 is provided for the plurality of types of refrigerators. It can be used in common.
[0013]
As shown in FIG. 1, a plurality of cardboard sheets are diffracted and bonded to each other at a plurality of locations (two locations in the embodiment) spaced apart in the left-right direction on the bottom surface of the lower cardboard case 20 (the bottom surface of the bottom plate 22). Thus, the spacer 32 formed in a substantially rectangular shape is firmly bonded and fixed over substantially the entire length in the front-rear direction (see FIG. 3). When the lower corrugated cardboard case 20 is placed on the floor surface or the like via the spacer 32, a space is provided between the bottom surface of the case and the floor surface where a forklift claw used for transportation can be taken in and out. Configured to
[0014]
The upper cardboard case 34 constituting the packing structure includes a rectangular tube-shaped main body 36 that is set to have an inner diameter dimension substantially the same as the outer diameter dimension of the lower cardboard case 20, and four upper ends of the main body 36. It consists of front and rear and left and right flaps 36a, 36b, 36c, and 36d connected to the edge. The main body 36 of the upper cardboard case 34 is put on the refrigerator 10 and the lower end portion thereof is externally fitted to the lower cardboard case 20 so that the refrigerator 10 can be stored therein. Further, the upper opening of the upper cardboard case 34 is closed by bending the four flaps 36a, 36b, 36c, 36d inwardly at a substantially right angle. In FIG. 2, reference numeral 38 denotes an adhesive tape that seals the opposite end edges of the front and rear flaps 36 a and 36 b in the upper cardboard case 34.
[0015]
As shown in FIGS. 1 and 2, corrugated cardboard cushioning materials 40 are attached to the upper part of the refrigerator 10 at both ends in the left-right direction and substantially at the center thereof. As shown in FIG. 3, the cushioning material 40 is bent in an L-shape so that both front and rear edge portions of the flat plate portion 40 a set to be substantially the same as the front and rear dimensions of the refrigerator 10 are opposite to each other toward the lower side. Then, a plurality of corrugated cardboard sheets 42 are overlapped in the front-rear direction on each L-shaped portion 40b and bonded and fixed to each other, whereby front-rear buffer portions 40c are formed. Then, with the flat plate portion 40 a placed on the upper surface of the refrigerator 10, the front and rear buffer portions 40 c and 40 c are sandwiched between the corresponding front and rear surfaces of the refrigerator 10 and the front and rear inner wall surfaces of the upper cardboard case 34. And it is comprised so that the movement of the front-back direction of the refrigerator 10 may be controlled.
[0016]
A side buffer portion 40d that can be bent a predetermined number of times is provided at the left or right side edge of the flat plate portion 40a of the buffer material 40, and is attached to the left and right ends of the refrigerator 10. The folded side buffer portion 40d of each cushioning material 40 is sandwiched between the left or right side surface of the refrigerator 10 and the left or right inner wall surface of the upper cardboard case 34, so that the refrigerator 10 moves in the left-right direction. Configured to regulate. In addition, the buffer material 40 is attached to the center part of the refrigerator 10 in the state which expanded the said side part buffer part 40d.
[0017]
In the state in which the refrigerator 10 is stored in the upper and lower cardboard cases 34, 20, the cases 34, 20 are separated from each other in the left-right direction to avoid a position where the spacer 32 is disposed (in the embodiment, each buffer). In three places corresponding to the material 40), the binding tool 44 such as a binding band is wound up and tightened.
[0018]
[Effect of the embodiment]
Next, the operation of the packaging structure according to the embodiment will be described. When packing the refrigerator 10, the flaps 22a, 22b, 22c, 22d are frozen on a corrugated board 24 that is bonded and fixed to the upper surface of the bottom board 22 of the sheet-like lower cardboard case 20 that is not bent. Place the refrigerator body without the unit or door. And in the state which mounted the refrigerator main body on the cardboard board 24, various components are assembled | attached with respect to this main body. When the side panel 18 is attached to the refrigerator main body (cabinet 14), it is necessary to set a flange 18b bent at the lower edge of the panel 18 on the lower surface side of the cabinet 14. In this case, the horizontal dimension of the corrugated board 24 is set to be shorter than the horizontal dimension of the refrigerator 10, and as shown in FIG. A gap corresponding to the thickness of the corrugated board 24 is formed between the upper surface of the bottom board 22 of the lower corrugated cardboard case 20. Therefore, the flange 18b of the side panel 18 can be easily set on the lower surface of the cabinet 14, and workability is improved. The drain pipe 30 attached to the refrigerator main body is inserted through the through hole 28 and does not protrude from the bottom surface of the case.
[0019]
Next, the flaps 22a, 22b, 22c, and 22d in the lower cardboard case 20 are bent upward to form a box shape, and the corresponding flaps 22a, 22b, 22c, and 22d are bonded to each other at the corner portions by adhesive tape or the like. Glue with. At this time, the corrugated board 24 bonded to the bottom plate 22 is set smaller than the internal dimension of the lower corrugated cardboard case 20, that is, the outer dimension of the bottom board 22, so that the flaps 22 a, 22 b, 22 c, The bending work of 22d is easily performed. Incidentally, each of the flaps 22a, 22b, 22c, 22d of the bottom plate 22 needs to be bent deeply in order to ensure the crease, but if the corrugated board 24 is substantially the same size as the bottom plate 22, the flaps 22a, 22b , 22c and 22d are complicated. However, since the four sides of the corrugated board 24 of the embodiment are spaced inward from the corresponding four sides of the bottom plate 22, even if the bottom portion of the lower cardboard case 20 is reinforced with the corrugated board 24, each flap 22a, The bending work of 22b, 22c, and 22d is easy.
[0020]
Further, since the front and rear end edges of the left and right flaps 22c and 22d in the bottom plate 22 are respectively formed with notches 26, the left and right end edges of the front and rear flaps 22a and 22b are connected to the corresponding left and right flaps 22c. , 22d when the flaps are bent to a position where they contact the front and rear edge portions, the inner folding angle of the front and rear flaps 22a, 22b with respect to the bottom plate 22 becomes an acute angle, and the upper ends of the front and rear flaps 22a, 22b Is slightly shorter than the front-rear dimension of the bottom plate 22.
[0021]
Next, the upper cardboard case 34 is put on the refrigerator 10 from above, and the lower end portion of the upper cardboard case 34 is externally fitted to the lower cardboard case 20. At this time, since the front and rear flaps 22a and 22b of the lower cardboard case 20 are tapered toward the upper end, the outer fitting to the lower cardboard case 20 of the upper cardboard case 34 is easily performed.
[0022]
The cushioning materials 40 are respectively attached to the upper three portions of the refrigerator 10 with the front and rear buffer portions 40c, 40c being inserted between the front and rear inner wall surfaces of the main body 36 and the refrigerator front and rear surfaces in the upper cardboard case 34 ( (See FIG. 3). In this case, as shown in FIG. 1, in the cushioning material 40 attached to the left end portion of the refrigerator 10, the left inner wall surface of the main body 36 and the left side surface of the refrigerator with the side cushioning portion 40d facing the left side folded. In the cushioning material 40 inserted into the right end of the refrigerator 10, the side cushioning portion 40d facing the right side is folded between the right inner wall surface of the main body 36 and the right side surface of the refrigerator. Plug in. Furthermore, in the buffer material 40 attached to the refrigerator central part, the side buffer part 40d is made to contact | abut on the refrigerator upper surface in the expanded state. That is, the configuration of the cushioning material 40 attached to the three places of the refrigerator 10 is the same, and there is no need to prepare a cushioning material having a different configuration depending on the mounting position, and the cost can be reduced.
[0023]
With the cushioning material 40 attached, the flaps 36a, 36b, 36c, 36d of the upper cardboard case 34 are folded inward to close the upper opening, and the front and rear flaps 36a, 36b are bonded together. Glue with tape 38. Furthermore, the packaging operation of the refrigerator 10 is completed by winding the upper and lower corrugated cardboard cases 34 and 20 together with the binding tool 44 at three locations in the left-right direction. In this packed state, the cushioning materials 40 attached to the upper part of the refrigerator 10 come into contact with the main body 36 of the upper cardboard case 34 and the inner surfaces of the flaps 36a, 36b, 36c, 36d, and the refrigerator 10 is restricted in movement.
[0024]
In the packaging structure of the embodiment, the lower cardboard case 20 on which the refrigerator 10 is placed is made of cardboard and is lightweight, so that it can be easily transported during the packing operation, can reduce the burden on the operator, and has good workability. It becomes. In addition, since the refrigerator 10 is configured to be placed on the cardboard plate 24 that is bonded and fixed to the bottom plate 22 of the lower cardboard case 20, the internal refrigerator bottom surface is damaged by the nails inserted into the lower surface of the case when transported by a forklift. Can be prevented. In addition, since the drainage pipe 30 of the refrigerator 10 does not protrude from the bottom surface of the lower cardboard case 20, damage to the drainage pipe 30 can be prevented during transportation.
[0025]
Further, by providing a cardboard spacer 32 on the bottom surface of the lower cardboard case 20, the workability of carrying by a forklift is improved and the cushioning property in the event of a fall accident is better than that of wood, and the damage to the refrigerator 10 is greatly reduced. To be improved. Even when the ground is wet due to rain or the like, the lower cardboard case 20 itself does not get wet, so that the packaging strength is hardly lowered.
[0026]
Since all the packaging materials such as the upper and lower corrugated cardboard cases 34 and 20 for storing the refrigerator 10, the spacer 32, and the cushioning material 40 are made of the same material (corrugated cardboard), the material cost can be reduced and the packaging cost is greatly increased. Can be reduced. Moreover, since it is not necessary to separate the packing material, the disposal process is facilitated, the disposal cost can be reduced, and the working time can be shortened.
[0027]
[Example of change]
When the spacer 32 is provided on the bottom surface of the lower cardboard case 20 as in the above-described embodiment, the load of the refrigerator 10 placed on the cardboard plate 24 is mainly applied to the portion corresponding to the position where the spacer 32 is disposed. Join. That is, since the corrugated board 24 and the refrigerator 10 are mainly in contact with the portions corresponding to the positions where the spacers 32 are disposed, the bottom of the sheet on which the refrigerator body is placed when the refrigerator 10 is packed. When the cardboard case 20 is moved by a conveyor or the like, the refrigerator main body may slide with respect to the cardboard plate 24 when the conveyor starts and stops. Therefore, as shown in FIG. 8, a non-slip agent 46 is applied to the upper surface of the corrugated board 24 corresponding to the position where the spacer 32 is disposed. Thereby, sliding of the refrigerator main body etc. with respect to the corrugated-cardboard board 24 can be prevented suitably. Further, since it is sufficient to apply the anti-slip agent 46 only to a specific part of the corrugated board 24, the amount of the anti-slip agent 46 used is small, and the cost can be reduced. Furthermore, since it is not necessary to provide another member for preventing the slippage of the refrigerator 10, an increase in cost can also be suppressed by this.
[0028]
In the embodiment, the lower end portion of the upper cardboard case is described as being externally fitted to the lower cardboard case. However, when the object to be packed such as a target refrigerator is vertically long, the lower end portion of the upper cardboard case is The body part to be packed may be exposed from between the two without being externally fitted to the case. In the embodiment, the refrigerator has been described as an item to be packed, but it may be a freezer or a showcase.
[0029]
【The invention's effect】
As described above, according to the packaging structure of the first aspect of the present invention, since the corrugated board smaller than the internal dimensions of the case is attached to the upper surface of the bottom board of the lower corrugated cardboard case, each flap formed on the bottom board Thus, the strength of the lower cardboard case can be improved. This makes it possible to unify the material of the packing material when packing a heavy object to be packed, simplifying the disposal process and reducing the processing cost. In addition, since a plurality of different materials are not used, the packaging cost can be reduced. Furthermore, since the corrugated board and the bottom plate on which the object to be packed is placed have through holes formed at a plurality of locations corresponding to the positions of the drain pipes in the objects to be packed having different specifications, On the other hand, one type of lower cardboard case can be used in common.
According to the invention of claim 2, by providing the cardboard spacer on the lower surface of the bottom plate, when the lower cardboard case is placed on the floor surface or the like via the spacer, the space between the bottom surface of the case and the floor surface is set. A space in which a nail of a forklift used for transportation can be taken in and out can be defined, and transportation workability by the forklift is improved. Moreover, the cushioning property in the case of a fall accident etc. is better than wooden, and the damage to a to-be-packaged object is improved significantly. Furthermore, even if the ground is wet due to rain or the like, the lower cardboard case itself does not get wet, so that the packing strength is not easily lowered. Furthermore, by applying a non-slip agent to the upper surface of the corrugated board corresponding to the position of the spacer where the load of the article to be packed placed on the corrugated board is mainly applied, slipping of the packed object with respect to the corrugated board is prevented. In addition to being able to prevent this, it is sufficient to apply the anti-slip agent only to a specific part of the corrugated board, so that the amount used can be reduced and the cost can be kept low.
[Brief description of the drawings]
FIG. 1 is a longitudinal front view showing a packaging structure according to a preferred embodiment of the present invention.
FIG. 2 is a plan view showing a state in which the upper cardboard case in the packing structure according to the embodiment is partially cut away.
FIG. 3 is a side view of the upper cardboard case in the packaging structure according to the embodiment with a part cut away.
FIG. 4 is a schematic perspective view showing the upper and lower cardboard cases according to the embodiment in an exploded state.
FIG. 5 is a side view showing a lower cardboard case according to the embodiment.
FIG. 6 is a longitudinal sectional front view of an essential part showing an attachment part of a side panel of a refrigerator in a packaging structure according to an example.
FIG. 7 is a schematic perspective view showing a cushioning material according to an embodiment.
FIG. 8 is a schematic perspective view showing a lower cardboard case according to a modified example.
[Explanation of symbols]
10 Refrigerator (packaged goods), 20 Lower cardboard case, 22 Bottom plate 22a Front flap, 22b Rear flap, 22c Left flap 22d Right flap, 24 Corrugated board, 28 Through hole , 30 Drain pipe
32 Spacer , 34 Upper cardboard case, 44 Binding tool, 46 Anti-slip agent

Claims (2)

Each flap formed in the four sides of the rectangular bottom plate (22) (22a, 22b, 22c, 22 d) and the lower ball casing (20) in which the upper by bending the upward is formed so as to open,
The lower the bottom plate is set to smaller external dimensions than the internal dimensions of the ball case (20) (22) mounted on the upper surface, object to be packed drainage pipe (30) is provided so as to protrude from the bottom (10) placed the cardboard plate (24),
An upper cardboard that is bound by the lower cardboard case (20) and the binding tool (44) in a state where the lower side is opened and the article to be packed (10) placed on the cardboard board (24) is covered from the upper side. made from a case (34),
The bottom plate (22) and cardboard sheet (24), the drainage pipe wherein the drain pipe (30) through holes for inserting (28), each different object to be packed specifications of object to be packed (10) (10) ( A packaging structure characterized by being formed at a plurality of locations corresponding to the arrangement positions of 30) . The bottom plate (twenty two) A spacer formed in a substantially rectangular shape by diffracting a plurality of corrugated cardboard sheets and fixing them to each other at a plurality of locations spaced apart in the left-right direction on the lower surface (32) But the bottom plate (twenty two) The spacer is bonded and fixed over substantially the entire length in the front-rear direction of the spacer. (32) Corrugated board corresponding to the position of the (twenty four) Anti-slip agent on top of (46) The packaging structure according to claim 1, to which is applied.

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