JP3070395U - Product packaging support frame having buffer polyurethane film welding surface - Google Patents

Abstract

(57) [Summary] (Modifications required) [Problem] When packing a product, it is bent even if it accommodates a product with large weight and dimensions, easily damaged electronics, precision equipment, etc., which was conventionally difficult to support. Provided is a supporting frame having a strength corresponding to a buffering action of a polyurethane film without being damaged. SOLUTION: The front and rear outer wall portions 2 and the front and rear wall upper surface portions 4 each having a bent corner portion 8 at both ends, a connection cut 13 and a connection portion bottom piece 1 are provided.
1. A front and rear middle wall 5 having a front and rear connection wall portion 6 having a connection portion upper piece 12 at both ends is made continuous, and each portion is bent inward to form opposed front and rear side walls A, and a connection between the front and rear connection portions 6 is formed. The inner walls of the left and right side walls are connected by the cuts 13, the left and right outer walls 3 having both ends connected to the bent corners 8 and the left and right upper surfaces 7 provided with the left and right insertion pieces 14 at both ends are connected, and the bent corners are formed. 8 is bent inward and each part is bent inward, and the left and right wall upper surface portions 7 are overlapped on the front and rear wall upper surface portions 4 to form opposed left and right side walls B.

Description

[Detailed description of the invention]

[0001] The present invention relates to a polyurethane film-lined product packing support frame which is used by being fitted into a cardboard box when packing a product. It is assembled into a cylindrical frame with a cross-sectional shape, and even if it accommodates products that are difficult to support conventionally, such as weight and size products, easily damaged electronic equipment, precision equipment, etc., the cushioning polyurethane film can be used. It is a supporting frame having a strength corresponding to a buffering action and not damaging a product.

2. Description of the Related Art Conventionally, a support frame for packing a product, which is formed by bending a corrugated cardboard material, surrounds a film welding surface 1 provided with a film hole 10 in the center as shown in FIG. Is bent to form the front and rear opposing side walls 21 and the left and right opposing side walls 22, and the upper surface has an open structure. The buffer resin film is welded to the film welding surface 1 so as to cover the film stretch hole 10. . In use, the conventional support frame constructed as described above is overlaid with the buffer resin film surfaces facing each other, and is packed between the cushioning resin film surfaces as illustrated in FIG. The product was stored, and the buffering effect for the packaged product was maintained by the toughness and spandex characteristics of the buffer resin film. However, when the size and weight of the packaged product increase, the load on each side wall increases as the cushioning resin film becomes tougher, and the risk of damage to the product due to bending and collapse of the side wall due to the load movement during transportation. There is a drawback that occurs. Therefore, in order to ensure the safety of packaged products, their use was limited to small and lightweight product packaging support frames.

[Problem to be Solved by the Invention] The conventional packaging support frame made of cardboard material has poor strength and has the danger of damaging the packaged product. Therefore, it is limited to use for small and lightweight products. It was unsuitable for use as a packaging support frame for large and heavy products, electronic equipment, precision equipment, etc., which were easily damaged by swinging.

[Means for Solving the Problems] In order to solve the conventional problems, the present invention provides a support frame body having a cylindrical cross section to enhance the steel properties and increase the strength. It can be widely used as a packaging support frame for various products that did not exist, and it has a simple structure that uses one piece of cardboard material without waste and assembles it.

That is, in the present invention, the front and rear inner wall portions 9 are formed by corrugated cardboard material, and the front and rear inner wall insertion pieces are protruded from the front and rear sides opposite to the film extending holes provided on the square film welding surface. . Front and rear outer wall portions having a folding corner portion 8 provided with a fold at both ends, front and rear wall upper surface portions provided with left and right upper surface insertion holes and front and rear inner wall insertion holes, a connection cut, a connection portion lower piece, and a connection portion upper portion The front and rear middle walls provided at both ends with front and rear connecting wall portions are connected, and the respective portions are bent inward to form opposed front and rear side walls A, and the left and right side walls are connected to each other by connecting cuts of the front and rear connecting portions. Configure the inner wall of. Also, the left and right outer walls, both ends of which are connected to the bent corner, and the left and right upper surfaces provided with left and right insertion pieces at both ends are made continuous, and the bent corner is bent inward to bend each part inward. A support frame body for forming opposed left and right side walls B by inserting left and right insertion pieces into the left and right upper surface insertion holes and overlapping the left and right wall upper surfaces on the front and rear wall upper surfaces.

[Operation] As shown in FIG. 3, the present invention is characterized in that the front and rear inner wall insertion pieces 17 protruding from the front and rear inner wall parts 9 are connected to the film welding surface 1 and folded into the front and rear middle wall parts 5. Since the front and rear inner wall portions 9 and the front and rear inner wall portions 9 are inserted into the front and rear inner wall insertion holes 15 at a predetermined interval, the front and rear inner wall portions 9 and the front and rear inner wall portions 9 are cylindrical, and the strength of the opposing front and rear side walls A is increased. I do. Also, as shown in FIGS. 4 and 5, the front and rear connecting portions 6 at both ends of the front and rear middle wall portions 5 are bent toward the left and right side walls B, and as shown in FIG. , The inner walls of the left and right side walls B. At this time, as shown in FIGS. 3 and 6, the connecting lower piece 11 and the connecting upper piece 12 support the left and right outer wall portions 3 and the left and right wall upper surface portions 7, and the front and rear connecting wall portions 6 serving as the left and right outer walls 3 and the inner wall, The space between the film welding surface 1 and the left and right wall upper surface portions 7 is maintained to be cylindrical, and the strength of the opposed left and right side walls B as a frame is increased.

When folding the left and right wall upper surface 7 and the left and right outer wall 3 inward, a fold corner 8 provided with folds to form four corners has one side as shown in FIG. Since the side is folded in a state of being continuous with the left and right outer wall portions 3 and enters between the left and right outer wall portions 3 and the front and rear connecting portions 6, the strength of the four corners is increased, and the connection between the front and rear outer wall portions 2 and the left and right outer wall portions 3 is firm. Become. Furthermore, since the left and right insertion pieces 14 projecting from both ends of the left and right wall upper surface portions 7 of the left and right side walls B are inserted into the left and right upper surface insertion holes 16 of the front and rear wall upper surface portions 4, the left and right opposed front and rear side walls A are left and right. The side walls B are completely connected and integrated, and the strength as the support frame is remarkably improved.

[0008] [Example] As shown in the development of FIG. 1, the central part of the cardboard material is a square film welding surface 1, and the film welding surface 1 is provided with a square film hole 10 and the front and rear sides thereof are opposed to each other. Then, the front and rear inner wall portions 9 with the front and rear inner wall insertion pieces 17 protruding are made to protrude inward. On the front and rear sides opposite to the film welding surface 1, front and rear outer wall portions 2 each having a folding corner portion 8 provided with a fold at both ends, and insertion holes 16 for left and right upper surfaces and insertion holes 15 for front and rear inner walls are provided at the fold. A front / rear middle wall portion 5 having a front and rear wall upper surface portion 4, a connection notch 13, a front and rear connection wall portion 6 having a connection portion lower piece 11 on the outside and a connection portion upper piece 12 on the inside is provided at both ends. , Each of which is provided with a fold so as to be continuous in the outward direction. The left and right outer wall portions 3 having both ends connected to one side of the folding corner portion 8 and the left and right upper surface portions 7 having left and right insertion pieces 14 provided at both ends are provided on the opposite left and right sides of the film welding surface 1 by folds. Continue in the direction.

When bending and assembling, first, the front and rear outer wall portions 2, the front and rear wall upper surface portions 4, and the front and rear middle wall portions 5, which constitute the opposing front and rear side walls A, are sequentially bent inward, and the front and rear insertion pieces 17 are moved forward and backward. As shown in FIGS. 3 and 4, it is inserted into the insertion hole 15 for the inner wall and formed into a cylindrical cross section to form the opposed front and rear side walls A. Thereafter, the front and rear connecting portions 6 are bent at right angles, and the connecting cuts 13 are engaged with each other so as to form an inner wall of the opposed left and right side walls B. Next, the left and right inner wall portions 3 and the left and right wall upper surface portions 7 constituting the opposed left and right side walls B are bent inward, and the bent corner portions 8 are bent inward by the folds to form the front and rear connecting portions 6 which constitute the opposed left and right side walls B. After being fitted between the outer wall portions 3, the left and right insertion pieces 14 are inserted into the left and right upper surface insertion holes 16, and the right and left wall upper surface portions 7 are overlapped on the front and rear wall upper surface portions 4 to face the opposite left and right side walls. Construct B.

[0010] By sequentially folding and assembling the folds provided in advance in this way, a product packaging support frame as shown in FIG. 2 is completed. As in the case of the conventional support frame, this support frame has a buffer polyurethane film 18 welded to the film welding surface 1 so as to cover the film tension hole 10. At the time of use, as illustrated in FIG. 7, the surfaces of the cushioning polyurethane film 18 face each other, the packaged product 20 is stored between the polyurethane films 18, and is fitted into the outer packaging cardboard box 19. . Accordingly, since the packaged product 20 is supported by the polyurethane film 18 which is rich in toughness and spandex, the impact from the outside is reduced.

In this specification, “front and rear” or “left and right” is added to the name of each part, but since it is the name in the attached drawing, if the direction is changed by 90 degrees, “front and rear” and “left and right” are changed. It is well known that this is replaced.

[Effects of the Invention] In the present invention, it is possible to construct a packing support frame having a strong structure by simply bending and assembling a single reusable cardboard material after use. Therefore, the production cost is reduced, and the side wall and each side wall of the frame having a cylindrical cross section are firmly connected to the polyurethane film welding surface, so that the toughness of the welded polyurethane film is reduced. Due to the synergistic effect with spandex properties, it has a cushioning function as a packing support frame used for packing large and heavy products, electronic equipment and precision equipment that are easily damaged by impact, and has a remarkable effect. is there.

[Brief description of the drawings]

FIG. 1 is a development view of an embodiment of a packing support frame according to the present invention.

FIG. 2 is a completed perspective view of the packing support frame assembled with the embodiment shown in FIG. 1;

FIG. 3 is a perspective view showing a cross section of the frame after assembly shown in FIG. 2;

FIG. 4 is a perspective view showing an assembled state of one opposing side wall in the frame member shown in FIG. 1;

FIG. 5 is a perspective view showing an assembled state of the other opposing side wall in the frame member shown in FIG. 1;

FIG. 6 is a partially enlarged perspective view showing a state of assembling a corner portion at the time of assembling shown in FIG. 5;

FIG. 7 is a partially cutaway front view showing a cross section in a state where the packing support frame according to the present invention is used for packing products.

FIG. 8 is a perspective view showing an example of a conventional packing support frame.

[Explanation of symbols]

 A. Opposite front and rear side walls B. Opposing left and right side walls 1. 1. Film welding surface Front and rear outer walls 3. Left and right outer walls 4. 4. Front and rear wall tops Front and rear middle walls 6. 6. Front and rear connecting wall 7. Left and right wall tops 8. Corner of insert Front and rear inner walls 10. Film tension hole 11. Lower part of connecting part 12. 12. Upper part of connection part Concatenation cut 14. 14. Left and right insertion pieces Insertion holes for front and rear inner walls 16. Right and left upper surface insertion holes 17. Front and rear inner wall insertion pieces 18. Polyurethane film 19. Packing cardboard box 20. Packaging products 21. Conventional front and rear facing side walls 22, Conventional left and right facing side walls

Claims (1)

[Utility model registration claims] 1. A front and rear inner wall portion 9 in which a front and rear inner wall insertion piece 17 protrudes from opposite front and rear sides of a film extending hole 10 provided in a square film welding surface 1 in a packing support frame made of a cardboard material. And the front and rear outer wall portions 2 having the folding corner portions 8 provided with folds at both ends and the front and rear wall upper surface portions 4 having the left and right upper surface insertion holes 16 and the front and rear inner wall insertion holes 15 at the folds. A front and rear middle wall 5 having a notch 13 and a front and rear connection wall portion 6 having a connection portion lower piece 11 on the outer side and a connection portion upper piece 12 on the inner side at both ends is provided with a fold to be continued in the outer direction, The respective portions are bent inward, and the front and rear inner wall insertion pieces 17 are inserted into the front and rear inner wall insertion holes 15 to form opposed front and rear side walls A, and the front and rear connection portions 6 are formed.
Are bent at right angles to form the inner walls of the left and right side walls by meshing and connecting the mutual connecting cuts 13, and the left and right outer walls 3, both ends of which are connected to the bent corners 8, and the left and right insertion pieces 14.
The left and right upper surfaces 7 provided at both ends are provided with folds so as to be continuous in the outward direction, and the bent corners 8 are bent inward to bend each portion inward, so that the left and right insertion pieces 14 are used for the left and right upper surfaces. It is inserted into the insertion hole 16 and
Are laminated on the front and rear wall upper surface 4 to form opposed left and right side walls B.