JP7135338B2 - packaging material - Google Patents

Description

TECHNICAL FIELD The present invention relates to a packaging member, and particularly includes a lower case on which an object to be packed is placed, an upper case to cover the object from above, and a middle frame arranged to face the side surface of the object to be packed. It relates to a packaging member.

2. Description of the Related Art Conventionally, packaging members for packaging products (items to be packaged) such as electronic devices are known. As the packaging member, there is known one comprising a lower case on which the product is placed, an upper case whose bottom is open and covers the product from above, and a middle frame arranged to face the side of the product. It is The middle frame is for reinforcing the compressive strength of the packaging member in the vertical direction, and is provided around the product.

When a product is packed using such a packaging member, after the product is placed in the lower case, the middle frame is arranged around the product so as to extend in the vertical direction. After that, cover the upper case from above.

A packaging member including a lower case on which a product is placed, an upper case that covers the product from above, and a middle frame that faces the side surface of the product is disclosed in Patent Document 1, for example. .

JP 2014-234176 A

In the above-described conventional packaging member, the inner frame is provided around the product, so the amount of material used for the inner frame increases. Therefore, a method is conceivable in which a pair of vertically extending inner frames having a U-shape when viewed from the top are provided, and the pair of inner frames are arranged so as to sandwich the product in a predetermined direction. At this time, the pair of middle frames are arranged at a predetermined interval from each other. With this configuration, it is possible to reduce the amount of material used for the middle frame.

However, when a pair of inner frames are arranged so as to sandwich the product, the inner frames become unstable compared to the case where one inner frame is provided around the product like a conventional packaging member. As a result, the pair of inner frames may open outward or fall down due to impact or vibration, repulsion from the product storage bag containing the product, etc., resulting in a problem of reduced packing workability.

The present invention has been made to solve the problems described above, and an object of the present invention is to reduce the amount of material used for the inner frame while suppressing deterioration in packing workability. It is to provide a possible packaging member.

In order to achieve the above object, the packaging member of the first configuration of the present invention comprises a lower case on which an object to be packed is placed, and an upper case with an open bottom and covered from above on the object to be packed. and a pair of middle frames arranged opposite to each other on both side surfaces of the object to be packed in the first direction, extending vertically in a U-shape when viewed from above, and arranged at a predetermined distance from each other in the first direction; and a storage member for storing accessories of the object to be packed. A pair of middle frames are connected via a storage member.

According to the packaging member of the first configuration of the present invention, the pair of middle frames are arranged at a predetermined distance from each other in the first direction. As a result, the amount of material used for the inner frame can be reduced compared to the case where one inner frame is provided around the object to be packed.

Also, the pair of middle frames are connected via a storage member. As a result, it is possible to suppress the pair of inner frames from becoming unstable, so that the pair of inner frames open outward due to shock, vibration, repulsion from the packing object storage bag containing the packing object, or the like. You can prevent it from falling over. Therefore, it is possible to suppress the deterioration of packing workability.

1 is a perspective view showing a state in which an object to be packed is arranged on a packaging member according to one embodiment of the present invention; FIG. 1 is a cross-sectional view showing a state in which an object to be packed is packed by a packing member according to an embodiment of the present invention; FIG. FIG. 2 is a perspective view showing structures of an inner frame, a storage member, and a bottom cushioning member of the packaging member according to one embodiment of the present invention; Fig. 2 is a perspective view showing structures of an inner frame and a storage member of the packaging member according to one embodiment of the present invention; FIG. 2 is an exploded perspective view showing structures of an inner frame and a storage member of the packaging member according to one embodiment of the present invention; FIG. 4 is an exploded perspective view showing the structure around the opening of the housing member and the engaging piece of the inner frame of the packaging member according to one embodiment of the present invention. It is the figure which showed the structure around the engagement piece of the inner frame of the packaging member of one Embodiment of this invention. FIG. 3 is a perspective view showing the structure of the storage member of the packaging member according to one embodiment of the present invention; FIG. 3 is a perspective view showing the structure of the storage member of the packaging member of one embodiment of the present invention from the rear side. FIG. 4 is a perspective view showing the structure around the opening of the storage member of the packaging member according to one embodiment of the present invention; FIG. 4 is a perspective view showing a state in which the engagement piece of the inner frame of the packaging member according to one embodiment of the present invention is inserted into the opening of the storage member;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 1, a packaging member 1 according to one embodiment of the present invention is arranged to face a lower case 10 on which an object to be packed 50 (for example, a product such as an electronic device) is placed on the side of the object to be packed 50. The middle frame 20 protects the side surface of the object 50 and reinforces the vertical compressive strength of the packaging member 1, the storage member 40 stores the accessory 51 of the object 50, and the bottom is open. It also has an upper case 30 that covers the object to be packed 50 and the middle frame 20 from above. In drawings other than FIGS. 1 and 2, the object to be packed 50 and the accessory 51 are omitted for the sake of simplification.

As shown in FIG. 2 , the lower case 10 includes a rectangular bottom plate 11 and four side walls 12 erected along the periphery of the bottom plate 11 . A pallet 13 is integrally provided on the lower surface of the bottom plate 11 of the lower case 10 . Lower case 10 and pallet 13 are made of cardboard or wood, for example. The pallet 13 is formed with an arm insertion portion 13a for inserting an arm of a pallet transporter such as a forklift. Since the pallet 13 is provided integrally with the bottom plate 11 of the lower case 10, it is not necessary to further place the packaging member 1 on the pallet after packing the object 50 to be packed. This facilitates the packaging and transportation of particularly large products.

A plurality of bottom cushioning members 14 on which the objects to be packed 50 are placed are arranged on the bottom plate 11 . The bottom cushioning members 14 are arranged at the four corners of the bottom plate 11 with a predetermined gap between them and the side walls 12 . The bottom cushioning member 14 has a function of cushioning the bottom surface of the object 50 to be packed. In addition, the bottom cushioning member 14 has a substantially L-shaped cross section and is formed to the outside of the object 50 to be packed.

The middle frame 20 and the upper case 30 are formed by cutting a cardboard sheet using a mold and folding it at a predetermined position.

The upper case 30 includes a rectangular top plate 31 and four side walls 32 extending downward from the periphery of the top plate 31 .

As shown in FIG. 1, a through hole 15 is formed at a predetermined position in the side wall 12 of the lower case 10. As shown in FIG. A through hole 35 is formed in the lower end of the side wall 32 of the upper case 30 at a position overlapping the through hole 15 of the lower case 10 . The lower case 10 and the upper case 30 are integrally connected by inserting a fastener (not shown) with the through holes 15 and 35 overlapping each other.

As shown in FIGS. 1 and 2 , the middle frame 20 is in close contact with the item 50 to be packed, and its lower end is inserted into the gap between the side surface of the item 50 and the bottom cushioning member 14 . The object to be packed 50 is housed in a storage bag (not shown) made of nylon or the like in order to prevent dust, dirt, etc. from adhering to it. adheres to the sides of

Here, in the present embodiment, the middle frame 20 is disposed facing both side surfaces (side surfaces 50a and 50b) of the item to be packed 50 in the arrow AA′ direction (first direction), and is U-shaped when viewed from above. It includes a pair of longitudinally extending inner frames 20a and 20b. As shown in FIG. 3, the middle frames 20a and 20b are arranged at a predetermined distance from each other in the direction of the arrow AA'.

Each of the middle frames 20a and 20b has a first surface 21, a second surface 22 and a third surface 23, as shown in FIG. The first surface 21 is arranged to face the side surfaces (side surfaces 50a and 50b) of the item 50 to be packed in the arrow AA' direction. The second surface 22 extends from one end (the end in the direction of arrow B) 21a of the first surface 21 in the direction of arrow BB' perpendicular to the direction of arrow AA' toward the opposing middle frame 20 (middle frames 20b and 20a). Extend. The third surface 23 extends from the other end (the end portion in the arrow B' direction) 21b of the first surface 21 in the arrow BB' direction toward the opposing middle frame 20 (middle frames 20b and 20a). Note that the distance L22 between the second surfaces 22 (see FIG. 3) of the middle frames 20a and 20b when the middle frames 20a and 20b are placed on the lower case 10 is less than the distance L23 between the third surfaces 23. (See FIG. 3).

As shown in FIGS. 5 and 6, the second surface 22 is provided with a notch 25 and an engaging piece 26 arranged adjacent to the notch 25 and extending upward and having an upward tip. It is The engagement piece 26 is formed by providing a notch 25 in a portion of the second surface 22 . Note that the notch 25 is formed at the same time as the cutting by using a mold for cutting the corrugated cardboard sheet.

The notch 25 includes a first notch portion 25a extending in the direction of the arrow AA' from the edge 22a of the second surface 22 in the direction of the arrow AA' toward the first surface 21, and the first surface of the first notch portion 25a. It is formed in an inverted L shape having a second notch portion 25b extending downward from the end on the 21 side.

The engaging piece 26 is formed in an inverted trapezoidal shape so that the length in the direction of the arrow AA' increases upward. Specifically, as shown in FIG. 7, the engaging piece 26 has a side surface 26a on the side of the first surface 21 (left side in FIG. 7) and a side surface 26b on the side opposite to the first surface 21. As shown in FIG. The side surface 26b is formed to extend in the vertical direction, while the side surface 26a is slanted upward toward the outside (toward the first surface 21, leftward in FIG. 7). Since the engaging piece 26 of the middle frame 20b is formed in a shape symmetrical to the engaging piece 26 of the middle frame 20a in the direction of the arrow AA', only the engaging piece 26 of the middle frame 20a is shown in FIG. there is

The storage member 40 (see FIG. 5) is formed by cutting a cardboard sheet using a mold and folding it at a predetermined position. The storage member 40 is formed by combining a plurality of folded cardboard sheets.

As shown in FIG. 8, the storage member 40 includes a storage portion 41 for storing an accessory 51 (see FIG. 1) of the object to be packed 50, a pair of legs 42 for supporting the storage member 40, and a and a top surface 43 positioned above.

In this embodiment, as shown in FIG. 4, the storage member 40 connects the middle frame 20a and the middle frame 20b. Here, the storage member 40 connects the second surface 22 of the middle frame 20a and the second surface 22 of the middle frame 20b.

Specifically, as shown in FIGS. 8 to 10, both ends of the upper surface 43 of the storage member 40 in the direction of the arrow AA' are opened in the vertical direction, and the engaging pieces 26 of the inner frames 20a and 20b are respectively provided. An opening 40a is provided to be inserted from below. The opening 40a is formed by forming a slit at a position corresponding to the opening 40a using a die for cutting a corrugated cardboard sheet, and folding the corrugated cardboard sheet at a predetermined position.

As shown in FIG. 1 , when packaging an object 50 using the packaging member 1 , bottom cushioning members 14 (see FIG. 2 ) are arranged at predetermined positions at the four corners of the bottom plate 11 . Then, the object to be packed 50 is arranged on the bottom cushioning member 14 . After that, the middle frames 20a and 20b are inserted between the object to be packed 50 and the bottom cushioning member 14, respectively.

1 and 11, after the upper surface 43 of the storage member 40 is inserted into the first notch portion 25a, the engaging pieces 26 of the second surfaces 22 of the inner frames 20a and 20b are engaged with the storage member 40. It is inserted into the opening 40a from below. Thereby, the pair of middle frames 20 a and 20 b are connected by the storage member 40 . At this time, the lower ends of the legs 42 (see FIG. 8) of the storage member 40 are supported by the lower case 10 . Here, the lower ends of the legs 42 are in contact with the bottom plate 11 of the lower case 10 . Note that the lower ends of the leg portions 42 may be arranged so as to contact the bottom cushioning member 14 .

After that, if necessary, upper cushioning members (not shown) are placed on the top and side surfaces of the item to be packed 50, and a storage member (not shown) for storing other accessory parts of the item to be packed 50 is placed inside. Attach to frames 20a and 20b. Then, the upper case 30 is put on the object to be packed 50 and the middle frames 20a and 20b from above.

After that, the lower case 10 and the upper case 30 are integrally connected by inserting a fastener (not shown) while the through hole 15 of the lower case 10 and the through hole 35 of the upper case 30 are overlapped.

In the present embodiment, as described above, the middle frames 20a and 20b are arranged with a predetermined distance in the direction of the arrow AA'. As a result, the amount of material used for the inner frames 20a and 20b can be reduced compared to the case where one inner frame is provided around the object 50 to be packed.

In addition, the middle frames 20a and 20b are connected via the housing member 40. As shown in FIG. As a result, it is possible to suppress the middle frames 20a and 20b from becoming unstable. 20b can be prevented from opening outward or collapsing. Therefore, it is possible to suppress the deterioration of packing workability.

Since the storage member 40 for storing the accessory 51 is originally necessary as a member for packing the object 50 to be packed, even if the storage member 40 is provided, the amount of material used does not increase.

In addition, as described above, each of the middle frames 20a and 20b has the first surface 21 arranged to face the side surfaces 50a and 50b of the item to be packed 50 in the direction of the arrow AA', and the one end 21a of the first surface 21. and a second surface 22 extending toward the opposing middle frames 20 b and 20 a , and the second surfaces 22 of the middle frames 20 a and 20 b are connected via a storage member 40 . Thereby, the middle frames 20 a and 20 b can be easily connected via the storage member 40 .

In addition, as described above, the second surface 22 is provided with the engaging piece 26 having an upward tip, and both ends of the storage member 40 in the arrow AA' direction are opened in the vertical direction. Also provided is an opening 40a into which the engaging piece 26 is inserted from below. Accordingly, the second surface 22 and the storage member 40 can be easily connected (engaged) by inserting the engaging piece 26 into the opening 40a from below. In addition, by providing the notch 25 on the second surface 22, the engagement piece 26 can be easily provided on the second surface 22. As shown in FIG.

Further, as described above, the second surface 22 includes the first cutout portion 25a extending from the edge 22a of the second surface 22 toward the first surface 21, and the first surface 21 of the first cutout portion 25a. An inverted L-shaped notch 25 having a second notch 25b extending downward from the side end is formed. 25b. As a result, the engaging piece 26 can be provided on the portion of the second surface 22 that is closest to the facing middle frames 20b and 20a, and the engaging piece 26 can be easily formed to extend upward. .

Further, as described above, the engagement piece 26 is formed so that its length in the direction of the arrow AA' increases upward. As a result, it is possible to prevent the engagement piece 26 from slipping out of the opening 40a. In addition, in this embodiment, since the side surface 26a of the engaging piece 26 on the side of the first surface 21 is slanted upward and outward (toward the first surface 21), the inner frames 20a and 20b are separated by the reaction of the storage bag. When the storage member 40 tries to open outward, a downward force is applied to the storage member 40. - 特許庁Therefore, it is possible to effectively prevent the engaging piece 26 from slipping out of the opening 40a.

Further, as described above, when the distance L22 between the second surfaces 22 is greater than the distance L23 between the third surfaces 23, the portions of the middle frames 20a and 20b on the second surface 22 side become unstable. Therefore, it is particularly effective to connect the second surfaces 22 using the storage member 40 .

Further, as described above, the lower end of the storage member 40 is supported by the lower case 10 while the storage member 40 is connected to the middle frames 20a and 20b. As a result, it is possible to suppress the weight of the storage member 40 from being applied to the second surface 22 , so it is possible to suppress the middle frames 20 a and 20 b from falling toward the second surface 22 due to the weight of the storage member 40 . .

It should be noted that the embodiments disclosed this time should be considered as examples and not restrictive in all respects. The scope of the present invention is indicated by the scope of the claims rather than the description of the above-described embodiments, and includes all modifications within the meaning and scope equivalent to the scope of the claims.

For example, in the above-described embodiment, the engaging pieces 26 are provided on the middle frames 20a and 20b, and the opening 40a is provided on the storage member 40, but the present invention is not limited to this. For example, the middle frames 20a and 20b may be provided with openings, and the housing member 40 may be provided with engaging pieces. Further, the engaging structure may be made up of parts other than the engaging piece and the opening.

1 packaging member 10 lower case 20, 20a, 20b middle frame 21 first surface 21a one end 21b other end 22 second surface 22a edge 23 third surface 25 notch 25a first notch 25b second notch 26 Engagement piece 30 Upper case 40 Storage member 40a Opening 50 Object to be packed 50a, 50b Side 51 Accessories L22, L23 Distance

Claims (5)

a lower case on which an object to be packed is placed;
an upper case having an open bottom and covering the object to be packed from above;
a pair of middle frames arranged opposite to each other on both side surfaces of the object to be packed in the first direction, extending in the vertical direction in a U-shape when viewed from above, and arranged in the first direction at a predetermined distance from each other;
a storage member for storing accessories of the object to be packed;
with
Each of the pair of inner frames faces a first surface arranged to face a side surface of the object to be packed in the first direction from one end of the first surface in a second direction perpendicular to the first direction. and a third surface extending from the other end of the first surface in the second direction toward the opposing middle frame,
the distance between the second surfaces is greater than the distance between the third surfaces;
A packaging member , wherein the second surfaces of the pair of inner frames are connected to each other via the storage member. The second surface is provided with an engaging piece having an upward tip,
2. The packaging member according to claim 1 , wherein openings opening in the vertical direction and into which the engaging pieces are inserted from below are provided at both ends of the housing member in the first direction. . The second surface includes a first notch portion extending from an edge of the second surface in the first direction toward the first surface, and an end portion of the first notch portion on the first surface side. An inverted L-shaped notch having a second notch extending downward from the
3. The packaging member according to claim 2 , wherein the engaging piece is formed by the first notch and the second notch. 4. The packaging member according to claim 2 , wherein the engaging piece is formed such that its length in the first direction increases upward. The packaging member according to any one of claims 1 to 4 , wherein the lower end of the storage member is supported by the lower case while the storage member is connected to the middle frame.

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