JP2010058798A - Corner pad - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a corner pad which can easily suppress the stacked height of articles by arranging a plurality of the articles in respective corner sections even when the articles are stacked up. <P>SOLUTION: When the corner pad 50 is constituted so as to be mounted on respective corner sections of the plurality of articles stacked up during transportation and storing, and covers the top side, the side face sides and the ground side of the corner section, there are provided a top face section 5 for covering the top side of the corner section, side wall sections 20A and 20B continuously connected with the top face section and for covering the side face sides at the corner section, and bottom face sections 40A and 40B continuously connected with the side wall section and for covering the ground side at the corner section. On the bottom face section, an opening section FP is provided into which the top face section of the corner pad of the lower side can be fitted when a plurality of the articles are stacked up. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a corner pad that is attached to a corner portion of an article to protect the corner portion of the article.

  When transporting an article, the article is often packaged to prevent it from coming into contact with other articles and damaging other articles or people. The entire article may be packaged, or a part of the article, for example, only the end portion or corner portion may be packaged, and various packaging materials (packaging materials) according to applications have been developed.

  For example, in Patent Document 1, a plastic cardboard packaging device body in which two rectangular cylinders are formed in the width direction, and a substantially rectangular parallelepiped receptacle in which two installation recesses for supporting a lower end portion of an object to be packed are arranged. And a packaging device in which a receiving part is assembled to the packaging device body. The packing device is for packing two objects to be packed in a pair, and each packing device is attached to the longitudinal end of the object to be packed. For each of the above-described rectangular cylinders in each packing apparatus, one longitudinal end of the object to be packed is inserted and supported by the installation concave portion of the receiving portion.

  Further, Patent Document 2 describes a corrugated pad material that is assembled into a triangular-width cap shape having an upper wall, a lower wall, and two side walls and is attached to a corner (corner portion) of a product. Yes.

JP-A-11-020862 Japanese Utility Model Publication No. 06-012360

  The conventional packaging that protects the end and corner of the article is the top and side surfaces at the end and corner of the article, as in the packing device described in Patent Document 1 and the pad material described in Patent Document 2. The effective thickness of the article after packaging is the thickness of the packaging material on the top side and the ground side, respectively. It becomes the thickness which added the thickness. For this reason, when a plurality of packaged articles are stacked and transported or stored, a space for two packaging materials is required between two articles adjacent in the stacking direction. For this reason, the stacking height tends to be high, and it is difficult to improve transportation efficiency and space utilization efficiency during storage.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to obtain a corner pad that can easily suppress the stacking height even when the plurality of articles are stacked by being attached to the corners of each of the plurality of articles. .

  The corner pad of the present invention that achieves the above object is a corner pad that is attached to a corner portion of each of a plurality of articles stacked during transportation or storage and covers the top side, the side surface, and the ground side at the corner portion. The top surface portion covering the top side at the corner portion, the side wall portion connecting the top surface portion and covering the side surface side at the corner portion, and the top surface portion of the lower corner pad are fitted when a plurality of articles are stacked. And a bottom surface portion connected to the side wall portion and covering the ground side at the corner portion.

  The corner pad according to the present invention includes a bottom surface portion having an opening into which a top surface portion of another corner pad can be fitted. Therefore, when the plurality of articles are stacked by being attached to each corner portion of the plurality of articles, Of the two corner pads adjacent to each other in the stacking direction, the top surface portion of the lower corner pad and the opening of the upper corner pad are fitted to each other. As a result, the space between two articles adjacent to each other in the stacking direction can be easily reduced to the thickness of one top surface or one bottom surface, and the stacking height when stacking a plurality of articles can be easily achieved. Can be suppressed. It is possible to improve the transportation efficiency of a plurality of stacked articles and the space utilization efficiency during storage.

  In the present invention, “the top side and the ground side at the corner of the article” means the top side and the ground side when a corner pad is attached to the article and stacked. Since the shape of the corner portion of the article varies depending on the shape of the article, the overall shape of the corner pad of the present invention is appropriately selected according to the shape of the corner portion of the article. Hereinafter, taking the case where the corner part of a solar cell module is protected as an example, an embodiment of a corner pad of the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiments described below.

  FIG. 1 is a perspective view schematically showing an example of a solar cell module in which a corner portion is protected by the corner pad of the present invention, and FIG. 2 is a schematic cross-sectional view taken along line II-II in FIG. FIG. 3 is a schematic view of a cross section taken along line III-III in FIG. The solar cell module 130 shown in these drawings includes a solar cell panel 100 and a frame 120 that surrounds the outer edge of the solar cell panel 100 and holds the solar cell panel 100, and includes four corner portions C ( 1).

  The solar cell panel 100 is a rectangular flat plate member in which a plurality of solar cells (not shown) are arranged and electrically connected, and the solar cell panel 100 and an external load are provided on the back surface thereof. A terminal box (not shown) for electrical connection is arranged. The frame 120 has a rectangular frame shape, holds the solar cell panel 100, and is fixed to the gantry when the solar cell module 130 is installed. The frame 120 includes a pair of frame members 111 and 111 that hold the long side of the solar cell panel 100 in plan view, and a pair of frame members that hold the short side of the solar cell panel 100 in plan view. 113, 113.

As shown in FIG. 2, the frame material 111 includes a first inner flange portion F _{1 with which} the upper surface (light receiving surface) of the solar cell panel 100 abuts, a second inner flange portion F ₂ that becomes the ground side when installed, and There is a support portion S provided in a region between the first inner flange portion F ₁ and the second inner flange portion F ₂ and against which the back surface of the solar cell panel 100 abuts, and each inner flange portion F ₁ , F ₂ and the support portion S project inside the frame 120. Further, a screw hole portion BH ₁ used for connecting to the frame member 113 is projected between the second inner flange portion F ₂ and the support portion S, and the same screw hole portion as the screw hole portion BH ₁ is provided. BH ₂ is also provided on the distal end side of the second inner flange portion F ₂ . In the following description, the support portion S and the screw hole portion BH ₁ may be collectively referred to as “an overhang portion”.

On the other hand, as shown in FIG. 3, the frame material 113 also includes a first inner flange portion F ₁ that contacts the upper surface (light receiving surface) of the solar cell panel 100 and a second inner flange portion F that becomes the ground side during installation. ₂ and a support portion S with which the back surface of the solar cell panel 100 abuts, and the inner flange portions F ₁ , F ₂ and the support portion S project inside the frame 120. The screw holes BH ₁ and BH ₂ provided in the frame material 111 described above are not provided in the frame material 113. The solar cell panel 100 is fixed to the frame 120 while being held between the first inner flange portion F ₁ and the projecting portion (specifically, the support portion S) in each of the frame members 111 and 113.

FIG. 4 is a developed view schematically showing an example of the corner pad of the present invention. The corner pad 50 shown in the figure is made of a corrugated cardboard sheet, and is attached to the corner portion C (see FIG. 1) of the solar cell module 130 to protect the corner portion C. For this purpose, the corner pad 50 includes a top surface portion 5 and a side surface (frame 120 (see FIGS. 1 to 3)) covering the top (the upper surface of the first inner flange portion F ₁ (see FIG. 2 or 3)) of the corner portion C. ), The first and second side walls 20A and 20B that cover the side, and the first and second walls that cover the ground (the bottom surface of the second inner flange portion F ₂ (see FIG. 2 or FIG. 3)). It has bottom surface portions 40A and 40B. The corner pad 50 is assembled by being bent into a predetermined shape prior to use. In FIG. 4, a portion where the mountain is folded when viewed from the frame 120 side during assembly is indicated by a one-dot chain line, a portion where the valley is folded is indicated by a broken line, and a cut line is indicated by a dotted line.

  The top surface portion 5 has a substantially right triangular shape and covers the top side at the corner portion C. In order to facilitate positioning and prevent lateral shift when the corner pads 50 are attached to the corner portions C of the plurality of solar cell modules 130 and the plurality of solar cell modules 130 are stacked, the top surface portion 5 is viewed in plan view. Flat claws-shaped male fitting portions 10A and 10B are provided so as to cross the vicinity of the center of each of the two sides other than the bottom side (the bottom side when the planar shape of the top surface portion 5 is regarded as a right triangle). It has been. These male fitting portions 10A and 10B have left and right shafts extending in different directions, and are cut and raised when the corner pad 50 is assembled, from the end on the top surface side of the side wall portion 20 to the top side. Protruding.

  Each of the first side wall portion 20A and the second side wall portion 20B is a female fitting having a shape and size that allows the male fitting portions 10A and 10B to be fitted by partially notching the lower bottom side of the trapezoid. It has a planar shape provided with the portions 15A and 15B, and is connected to the top surface portion 5 on the upper bottom side to cover the side surface side at the corner portion C. Specifically, the long side of the two side surfaces that intersect at the corner portion C among the side surfaces of the frame 120, that is, the long side outer side surface and the short side outer side surface when the frame 120 is viewed in plan view. The first side wall portion 20A covers the outer side surface on the side, and the second side wall portion 20B covers the outer side surface on the short side. When the solar cell module 130 to which the corner pad 50 is attached is stacked, the male fitting portion 10A or the male fitting portion 10B of the lower corner pad 50 is fitted to the female fitting portions 15A and 15B. Match.

  The first bottom surface portion 40A and the second bottom surface portion 40B have shapes and sizes that allow the top surface portion 5 of the lower corner pad 50 to be fitted when the solar cell module 130 to which the corner pad 50 is mounted is stacked. The opening is left below the top surface portion 5 of the corner pad 50 shown to cover the ground side at the corner portion C. The corner pad 50 in use has the above-described opening on the ground side. In order to form this opening (hereinafter referred to as “bottom side female fitting portion”), the first bottom surface portion 40A has one oblique side substantially perpendicular to the lower base and the remaining oblique sides have an acute angle with the lower base. A trapezoidal first section 30A is formed, and the second bottom surface portion 40B has a first section 30B having the same shape as the first section 30A.

The first sections 30A and 30B are arranged such that the hypotenuses forming an acute angle with the lower base face each other with the two female fitting portions 15A and 15B interposed therebetween. The upper bottom of the first section 30A is connected to the end of the lower bottom of the first side wall portion 20A, and the bottom-side female fitting portion is located on the side and below the female fitting portion 15A on the first side wall portion 20A. forming a cutout portion CO ₁ to be a part of. Similarly, the upper bottom of the first section 30B is connected to the end of the lower bottom of the second side wall portion 20B, and the bottom side female mold is located laterally and below the female fitting portion 15B in the first side wall portion 20B. A notch portion CO ₂ that is a part of the fitting portion is formed.

In addition to the first section 30A, the first bottom surface portion 40A is connected to the first section 30A and covers the inner surface and the upper surface of the second inner flange portion F ₂ (see FIG. 2 or FIG. 3). A section 35A and a third section 37A that covers the inner surface of the frame 120 connected to the second section 35A are also provided. Similarly, the second bottom surface portion 40B, in addition to the first section 30B of the above, and a second section 35B for covering the inner surface and the upper surface of the second inner flange portion F ₂ and connected to the first section 30B, the A third section 37B that covers the inner surface of the frame 120 is also connected to the second section 35B.

The second section 35A at the first bottom surface portion 40A has two first portions 32A ₁ and 32A ₂ and one second portion 33A. Each of the first portions 32A ₁ and 32A ₂ has a quadrangular planar shape, is spaced from each other, and is partially connected to the bottom of the first section 30A. On both sides of the side and the first portions 32A ₂ of the first portions 32A ₁ is cut line formed. The second portion 33A also has a rectangular planar shape, and is connected to the first portions 32A ₁ and 32A ₂ and partially connected to the bottom of the first section 30A. The third section 37A has a rectangular shape that is narrower than the second portion 33A.

On the other hand, the second section 35B in the second bottom surface portion 40B has two first portions that cover the inner surface of the second inner flange portion F ₂ in the same manner as the second section 35A in the first bottom surface portion 40A. 32B ₁ , 32B ₂ and a second portion 33B that covers the upper surface of the second inner flange portion F ₂ . The third section 37B has a rectangular shape that is narrower than the second portion 33B.

  The developed shape of the corner pad 50 having the top surface portion 5, the first side wall portion 20A, the second side wall portion 20B, the first bottom surface portion 40A, and the second bottom surface portion 40B described above is regarded as a right triangle. This is a line-symmetrical shape with a straight line passing through the apex angle and the midpoint of the base as the symmetry axis SA.

  FIG. 5 is a plan view schematically showing the shape of the developed corner pad shown in FIG. 4 when assembled, and FIG. 6 is the outline of the developed corner pad shown in FIG. 4 assembled. FIG. 7 is a front perspective view schematically showing the shape of the developed shape corner pad shown in FIG. 4 when assembled, and FIG. 8 is the result of assembling the developed shape corner pad shown in FIG. It is a back perspective view showing the shape roughly. FIG. 9 is a side view schematically showing the shape of the developed corner pad shown in FIG. 4 when assembled.

  As shown in FIGS. 5 and 7 to 9, when assembling the developed corner pad 50 shown in FIG. 4, the side wall portions 20 </ b> A and 20 </ b> B are valley-folded substantially perpendicularly to the top surface portion 5. As a result, each male fitting part 10A, 10B rises and protrudes above the top surface part 5. As shown in FIGS. 5 to 8, an opening OP is formed on the top surface of the corner pad 50 at the mark where the male fitting portions 10 </ b> A and 10 </ b> B are erected.

  Further, as shown in FIGS. 5, 6, and 8, the first section 30A constituting the first bottom surface portion 40A is valley-folded at a substantially right angle with respect to the first side wall portion 20A, and the second bottom surface portion 40B is formed. The 1st section 30B which comprises is folded at a substantially right angle with respect to the 2nd side wall part 20B. As a result, as shown in FIGS. 5 to 8, an opening having a shape and size that can be fitted to the top surface portion 5, that is, a bottom-side female fitting portion FP is formed below the top surface portion 5.

Further, as shown in FIG. 8, the first portions 32A ₁ and 32A ₂ in the second section 35A constituting the first bottom surface portion 40A are valley-folded with respect to the first section 30A, and the second portion 33A. Is valley-folded with respect to the first portions 32A ₁ and 32A ₂ as shown in FIGS. Similarly, the first portions 32B ₁ and 32B ₂ in the second section 35B constituting the second bottom surface portion 40B are valley-folded with respect to the first section 30B, and the second portion 33B is the first portion 32B _1. , 32B ₂ .

As shown in FIGS. 5 and 8, the third section 37A at the first bottom surface portion 40A is mountain-folded with respect to the second portion 33A, and the third section 37B at the second bottom surface portion 40B is The second portion 33B is folded in a mountain. Of these third sections 37A and 37B, the upper end side of the third section covering the inner surface side of the frame member 111 is the lower surface of the screw hole portion BH ₁ (see FIG. 2), which is one of the overhanging portions of the frame member 111. The upper end side of the third section that covers the inner side surface of the frame member 113 is locked to the lower surface of the support portion S that is an overhanging portion of the frame member 113.

  While each second portion 33A, 33B is valley-folded as described above, each third section 37A, 37B is mountain-folded as described above, so that each of the third sections 37A, 37B is made of corrugated cardboard sheets. The corner pad 50 is fixed to the frame 120 in a state of being stretched on the lower surface side of the protruding portion by the restoring force. Therefore, when the corner pad 50 is attached to the corner portion C (see FIG. 1) of the solar cell module 130, it is possible to maintain a desired shape without using auxiliary materials such as packing tape and glue.

  FIG. 10 is a partial side view schematically showing a state in which the above-described corner pad is attached to each corner portion of a plurality of solar cell modules and these solar cell modules are stacked. As shown in the figure, when the above-described corner pads 50 are attached to the respective corner portions of the plurality of solar cell modules 130 and these solar cell modules 130 are stacked, the two corner pads 50 and 50 adjacent in the stacking direction are stacked. Each other agrees with each other.

  Specifically, the top surface portion 5 (see FIG. 8) of the lower corner pad 50 and the bottom surface side female fitting portion FP (see FIG. 8) of the upper corner pad 50 are fitted to each other. As a result, the space between two solar cell modules 130 adjacent to each other in the stacking direction is about the thickness of the top surface portion 5 at one corner pad 50, or the first sections 30A and 30B in the bottom surface portions 40A and 40B (see FIG. 8)). Compared with the case of using a conventional corner pad, the stacking height when a plurality of solar cell modules 130 are stacked can be suppressed.

  For this reason, it is possible to improve the transportation efficiency when these solar cell modules 130 are stacked and transported, and the space utilization efficiency when the solar cell modules 130 are stacked and stored. Since the bottom-side female fitting portion FP is formed by each corner pad 50, it is easy to reduce the weight and volume of each corner pad 50, reduce the packaging, reduce the packaging volume, and the like. .

  Further, the male fitting portions 10A and 10B of the lower corner pad 50 and the female fitting portions 15A and 15B of the upper corner pad 50 of the two corner pads 50 and 50 adjacent in the stacking direction are mutually connected. Since it can be made to fit, positioning at the time of laminating | stacking the several solar cell module 130 becomes easy, and prevention of a lateral shift becomes easy.

  Although the corner pad of the present invention has been described with reference to the embodiment, the present invention is not limited to the above-described embodiment as described above. The corner pad of the present invention includes a top surface portion covering the top side at the corner portion of the article, a side wall portion connecting to the top surface portion and covering the side surface side at the corner portion, and a ground surface at the corner portion connecting to the side wall portion. Basically, an opening having a bottom surface covering the side and having a shape and size that can be fitted to the top surface is formed below the top surface.

  The overall shape of the corner pad of the present invention is appropriately selected according to the shape of the corner portion of the article to be mounted, and it is not an essential requirement but an optional requirement that the shape when expanded is an axisymmetric shape. . Of course, it is also possible to apply to articles other than the solar cell module, and the planar shape may be a polygonal shape other than a quadrangle, a shape obtained by rounding corners of a polygon, or these Other shapes may be used. Moreover, it is also possible to set it as the shape which needs to use auxiliary materials, such as a packing tape and glue, for example, the shape which abbreviate | omitted the 3rd section in a bottom face part for shape maintenance. The shape and number of the male fitting portion and the female fitting portion used for positioning and preventing lateral deviation when stacking articles can be appropriately selected including the case where these are not provided.

  As a material for the corner pad of the present invention, a corrugated cardboard sheet is preferable in consideration of cost, labor for reuse, and the like, but plastic corrugated cardboard can also be used. Moreover, the non-assembly type thing obtained by shape | molding a buffer material in a predetermined shape can also be used. The present invention can be variously modified, modified, combined, etc. other than those described above.

  The present invention can be applied to corner pads of various shapes that are attached to the corner portion of an article and protect the top side, the side surface, and the ground side at the corner portion.

It is a perspective view which shows roughly an example of the solar cell module by which a corner part is protected by the corner pad of this invention. It is the schematic of the cross section along the II-II line | wire in FIG. It is the schematic of the cross section along the III-III line in FIG. It is an expanded view which shows an example of the corner pad of this invention roughly. It is a top view which shows roughly the shape at the time of the assembly of the corner pad of the expansion | deployment shape shown in FIG. It is a bottom view which shows roughly the shape at the time of the assembly of the corner pad of the expansion | deployment shape shown in FIG. FIG. 5 is a front perspective view schematically showing a shape of the developed corner pad shown in FIG. 4 when assembled. FIG. 5 is a rear perspective view schematically showing a shape of the developed corner pad shown in FIG. 4 when assembled. It is a side view which shows roughly the shape at the time of the assembly of the corner pad of the expansion | deployment shape shown in FIG. FIG. 10 is a partial side view schematically showing a state when the corner pads shown in FIGS. 5 to 9 are attached to the corner portions of a plurality of solar cell modules and these solar cell modules are stacked.

Explanation of symbols

5 top surface portion 10A, 10B male fitting portion 15A, 15B female fitting portion 20A first side wall portion 20B second sidewall portions 30A, 30B first section _{32A 1, 32A 2, 32B 1} , 32B 2 first portions 33A , 33B Second portion 35A, 35B Second section 37A, 37B Third section 40A First bottom surface portion 40B Second bottom surface portion 50 Corner pad FP Opening portion (bottom surface side female fitting portion)

Claims (4)

A corner pad that is attached to each corner portion of a plurality of articles stacked during transportation or storage and covers the top side, the side surface, and the ground side at the corner portion,
A top surface portion covering the top side at the corner portion;
A side wall portion connected to the top surface portion and covering a side surface of the corner portion;
A bottom portion covering the ground side at the corner portion connected to the side wall portion, having an opening in which the top surface portion of the lower corner pad can be fitted when the plurality of articles are stacked;
A corner pad characterized by comprising. The top surface portion has a substantially triangular planar shape,
The side wall includes a first side wall that covers an end of one side of the article, and a second side wall that covers an end of the other side of the article,
The bottom surface portion includes a first bottom surface portion connected to the first side wall portion and a second bottom surface portion connected to the second side wall portion,
The top surface portion, the side wall portion, and the bottom surface portion are provided on one cardboard sheet, and a boundary portion between the top surface portion and the side wall portion and a boundary portion between the side wall portion and the bottom surface portion are bent. Assembled into a predetermined shape and attached to a corner portion of an article having a polygonal planar shape,
The corner pad according to claim 1. The article is
A first inner flange portion formed at the upper end and projecting inward, a second inner flange portion formed at the lower end and projecting inward, and inward between the first inner flange portion and the second inner flange portion A frame having an overhanging portion, and
A solar cell panel held between the first inner flange portion of the frame and the overhang portion;
A solar cell module comprising
The bottom portion is
A first section covering a lower surface of the second inner flange portion;
A second section connected to the first section and covering an inner surface and an upper surface of the second inner flange portion;
A third section connected to the second section and covering an inner surface of the frame, and an upper end of the third section being locked to the projecting portion;
The corner pad according to claim 1, comprising: A plurality of male fitting portions protruding from the end on the top surface side at the side wall portion to the top side;
A plurality of female fitting portions that are formed on the side of the bottom surface of the side wall portion, and can be fitted with a male fitting portion of a lower corner pad when the plurality of articles are stacked;
The corner pad according to claim 1, further comprising:

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