JP3129057B2 - Washing machine packaging shock absorber - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning device for packaging equipment such as a washing machine.

[0002]

2. Description of the Related Art In recent years, as a measure for protecting the global environment, there has been a strong demand for packaging materials to save resources and switch to materials that can be easily reused. However, the actual situation is that styrofoam, which still has a problem in disposal processing, is mainly used as a cushioning material.

[0003] A conventional packaging shock absorber will be described below. FIG. 3 is a longitudinal sectional view of a main part of a conventional packaging shock absorber for a washing machine. In FIG. 3, reference numeral 1 denotes an outer box of the washing machine, and 2 denotes a cover attached to an upper end opening of the outer box 1. Reference numeral 3 denotes a cushion integrally formed of styrene foam disposed from above the cover 2. 4 indicates a packaging box, and S indicates the inner dimensions of the packaging box. Note that the shape of the cover 2 of the washing machine is lowered forward, and has a dimension h between itself and the center.

As shown in FIG. 4, the cushioning member 3 is mounted so as to be fitted on the left and right sides of the cover 2 and, at the same time, is supported in a cushioning manner while preventing the swinging of the washing machine.

[0005]

However, in the above-mentioned conventional structure, the cushion 3 integrally formed of styrene foam so as to fit into the shape of the cover 2 of the washing machine has a large volume, and is therefore difficult to store in a packaging operation. However, a large amount of storage space is required, and disposal after use is bulky, and storage and transportation are irrational.

Although it is possible to regenerate styrofoam, it involves quality problems such as the incorporation of dust and the like adhered by the action of static electricity and the incorporation of materials whose strength has deteriorated due to aging. There is a problem that it requires recovery, recycling equipment, recycling technology, etc., and it is not easy to recycle at present.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a cushioning device for packaging made of cardboard which is effective with a small amount of material and is easy to reuse.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, a packaging cushioning device according to the present invention is directed to an upper cushioning material for a washing machine in which the front side of the upper part of the washing machine has a shape lowering forward than the center. The material is made of corrugated cardboard, and this corrugated cardboard corresponds to the dimensional difference in the height dimension of the above-mentioned downwardly falling shape
In order to form a thickness, a plurality of folded portions that are folded in the height direction are formed on the front side, and further folded so as to wrap the folded portions to form a flat portion along the front downward shape.
It is configured to have members .

[0009]

According to this structure, the cushioning material made of cardboard absorbs the dimensional difference from the front side of the cover of the washing machine in the folded portion, and the member folded in such a manner that the folded portion is bundled and wound is washed.
The surface facing the top of the washing machine is the lower front of the top of the washing machine.
The dimensions in the height direction are almost the same on the front and rear
Height next matching the height of each section, along the front edge portion
Ru can be sea urchin surface is packaged in contact with each other. Furthermore, since the folded corrugated cardboard surface is in a laminated state, it can be cushioned against the impact force generated by handling the load in the packaged state.

[0010] Also, the cardboard is bent at the side surface of the upper portion of the washing machine and the fitting portions located at the front and rear, so that the bent surfaces are parallel to each other. Similarly, the washing machine can be buffer-fixed.

[0011] As described above, the shock absorber obtained by bending and assembling corrugated cardboard, which is more rigid than styrofoam, can use less material, and can be disassembled into one sheet after use. It can be said that it is easy to use.

[0012]

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, (a) is an exploded view of a cushioning material made of cardboard, 5 is a folded line for forming the front top portion in a laminated manner, 6 is a folded line, 7 is a cut line, and 8 is a washing line. A ruled line 9 provided substantially at the center, which forms an inner side wall portion for holding the upper part of the machine, is inserted and locked in the hole 10. The hole 11 is a relief hole at the tip of the insertion 9. The protrusion 12 fits into a hole 13 in a side wall portion that fits into a side surface of the washing machine. On the front side, three folded portions A serving as a top portion of the buffer are formed, and these are bent. The rear portion is provided with a single folded portion, and is bent as shown in FIG. A fold line 6 is formed so that the surface 14 forming the upper surface of the cushioning material and the surface 15 forming the outside of the side surface are parallel to each other.
Further, a fold 16 which is in contact with the washing machine is formed on an extension of the surface 15, and a fold line 6 is formed at this connection at an angle substantially equal to the inclination angle to the front side of the washing machine, and a punch hole 1 for absorbing a dimensional difference.
7 and 18, the upper end of which is bent from below to form a notch 21 to be fitted with the end 20 of the side surface 19 forming the side surface.
Is provided. That is, the surface 15 and the folded portion 16
And a member formed by bending so as to wrap the folded portion A.
Make up.

The side surface portion 19 is also formed so as to follow the inclination angle toward the front side of the washing machine. The insertions 22 provided at the upper end of the folded portion 16 are configured to fit into the holes 23 provided in the surface 15 forming the outside of the side surface.

FIG. 1C shows the assembled product. The front and rear sides are formed by bending the top portion and the side wall portion, and then bending at the respective folding lines 6 to lock the insertion 9 and the projections 12 in the holes 11 and 13, respectively. Is configured.

Next, the assembling order will be described. The fins A of the three folded portions A provided on the front side are folded at the respective folding lines 6 so as to overlap the surface of the fins B. Further, the fins B and C are folded at the folding line 5 so that the surfaces of the fins overlap each other, and three laminated layers serving as the top of the buffer are formed.
Bend 0 ° and further divide this into the side 1 forming the outside of the side
Bend 90 ° to the 5th side.

At the rear part, one folded part is turned 90 degrees toward the front.
And bent toward the surface 15 forming the outside of the side surface to form as shown in FIG.

Next, the surface 14 forming the upper surface of the cushioning material is
°, so that the folded portion 16 on the extension of the surface 14 is wrapped at each of the folded lines 6 by three folded portions A serving as the top portion of the buffer, so as to wrap the front side and the rear portion, respectively. Folding and insertion 2 provided at the upper end of the folding portion 16
2 are respectively fitted into holes 23 provided on the surface 15 forming the outside of the side surface to form a top portion.

Next, a side surface portion 19 forming a side surface from below.
Is bent at each of the folding lines 6, and the end portions 20 are fitted into the cut portions 21 of the folding portions 16 to form side surfaces.

Further, the front and rear sides are formed by bending the top portion and the side wall portion, and then bent at the respective folding lines 6 so that the insertions 9 and the projections 12 are fitted into the holes 11 and 13, respectively. (FIG. 1C).

FIG. 2 (a) shows a cross section of the cushioning member. FIG. 2B shows a front-rear dimension W after assembly. The front-rear dimension W of the surface 14 forming the upper surface of the top is formed to be larger than the inner dimension S of the packaging box 4.

A description will be given of the cushioning material configured as described above. At the time of packaging, a cushioning material formed by symmetrically folding a cardboard is disposed above the cover 2 of the washing machine.

As shown in FIG. 2, the front top portion is formed by folding three sheets to form a stack of corrugated cardboards, and bundling and winding them. The dimensional difference h due to the shape of the washing machine in the height direction is reduced. , So that it does not tilt when stacking and storing finished packaging products. Also, since the inner side wall portion of the top surface portion is bent vertically, a central portion of the side wall is provided with a ruled line 8 to facilitate deformation and prevent damage to the washing machine. Further, since the front-rear dimension W of the surface 14 of the top portion is larger than the inner dimension S of the packaging box, when unpacking and repacking, it is held in the packaging box.
Work without falling off.

[0024]

The present invention as described above, according to the present invention, in the washing machine the upper part of the front washers upper cushioning material in the form of forwardly downwardly from the central portion, and constitutes the upper cushioning material in cardboard, the cardboard is the For the height difference that results in the shape of falling forward
Multiple folds in height direction to form equivalent thickness
A folded portion is formed on the front side, and further bent so as to wrap the folded portion to form a flat portion along the front downward shape.
It is configured to have a member to be formed , so that the washing machine can be buffered and fixed, and can be stored without tilting when stacking and storing finished packaging products. In addition, the provision of the ruled lines on the inner side wall portion of the top surface portion can prevent the washing machine from being damaged.

The cushioning material of the present invention constructed by bending a cardboard as described above can be easily stored and disassembled after assembling before use, and requires less space. Further, corrugated cardboard has higher rigidity than styrofoam, so that its shape can be reduced, the material used can be reduced, and the packaging efficiency can be reduced. Furthermore, disposal processing is easy.

[Brief description of the drawings]

FIG. 1A is a development view of a cushioning material according to an embodiment of the present invention. FIG. 1B is a perspective view showing an intermediate state of the cushioning material according to the embodiment of the present invention. Perspective view showing assembled product

FIG. 2A is a cross-sectional view of a main part of a cushioning material according to an embodiment of the present invention. FIG. 2B is an enlarged view of a main part showing a front side of the cushioning material according to the embodiment of the present invention.

FIG. 3 is a sectional view of a main part of a conventional cushioning device for packaging of a washing machine.

FIG. 4 is an external perspective view of a conventional packaging shock absorber of a washing machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box of washing machine 2 Cover of washing machine 3 Upper cushion 4 Packaging box 6 Folding line 7 Cut line 9 Insert

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 56-38065 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 81/113 B65D 85/68

Claims (2)

(57) [Claims] 1. An upper cushioning material for a washing machine in which the front side of the upper portion of the washing machine has a shape lowering forward from a central portion, wherein the upper cushioning material is made of corrugated cardboard, and the corrugated cardboard is provided with the lowering machine.
Forming a thickness corresponding to the difference in height dimension
Therefore, the folded portion folded back more in the height direction are formed on the front side, bent so as to further wrap the folded portion the
It has a member that forms a flat part that follows the shape that falls forward.
In the cushioning device of the washing machine to be made. 2. The packaging machine according to claim 1, further comprising a ruled line from the inside at substantially the center forming an inner side wall for holding an upper portion of the washing machine, and the front and rear dimensions after assembly are larger than the inner dimensions of the packaging box. Shock absorber for washing machine packaging.