JPS6129652Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a packaging device that can be used for transporting finished products such as televisions and other printed boards with various parts mounted thereon.

BACKGROUND ART FIGS. 1 and 2 show a conventional printed board packaging device. In the figure, 1 is a printed board with parts attached, 2 and 2' are cushioning materials for holding the printed board, which have grooves 3 and 3' into which the printed board 1 is fitted.
The printed board 1 is supported from both sides and from below.

4 and 4' are cushioning materials for holding down the upper part of the printed board 1, and also have grooves into which the printed board 1 is fitted.

5 is a double-sided or multi-sided cardboard box made of kraft liner or jute liner.
The method of packaging the printed board 1 is to insert the cushioning materials 2 and 2' into the cardboard box 5, and then insert the printed board 1 into the cardboard box 5.
into the fitting grooves 3, 3' of the cushioning materials 2, 2', and then fit the upper part of the printed board 1 into the grooves of the cushioning materials 4, 4' to the printed board 1, and then insert the cardboard box 5. It is a seal.

Problems to be Solved by the Invention However, in the conventional packaging device described above, the length of the long side of the cardboard box 5 is usually the same as that of the cushioning material 2,
In order to facilitate the insertion of cushioning material 2', it is made slightly longer than the length of cushioning materials 2, 2'. Therefore, the buffer material 2,
When a plurality of printed boards 1 are stored and packaged in a cardboard box 5 using the cushioning materials 4 and 4' for holding the upper part, for example, when carrying the cardboard box 5 as shown in FIG. When a force in the direction of arrow P is applied to , the long side of the cardboard box 5 and the cushioning material 2,
Since there is a dimensional difference in the length of 2', the sides of the cardboard box 5 and the cushioning materials 2 and 2' are deflected outward as shown by the two-dot chain line, and this deflection amount A is the difference in the length of the printed board 1.
When the amount of fitting into grooves 3 and 3' becomes larger than B,
>B), the printed board 1 came off from the grooves 3, 3', causing damage to the printed board 1 and the parts mounted on the printed board during transportation.

The purpose of the present invention is to eliminate such bending of the sides of the cardboard box and the cushioning material during transportation, thereby preventing damage to printed boards and the like.

Means for Solving the Problems The packaging device of the present invention is provided with a pair of cushioning materials each having a groove in which the end of a board such as a printed board is fitted perpendicularly to the long side direction of the board. At the same time, the board material is vertically sandwiched between the pair of cushioning materials so that the board material is stored in the packaging box, and the surface side of each of the cushioning materials that contacts the packaging box is in contact with the inner surface of the packaging box. , each pair of a plurality of protrusions having a height corresponding to the amount of deflection of the packaging box at this contact position is provided, and the plurality of protrusions abut against the packaging box to inflate the packaging box outward without deflecting. It is configured as follows.

Function The present invention is designed by forming a plurality of protrusions with a height corresponding to the amount of deflection of the cardboard box in advance on the above-mentioned cushioning material, thereby repulsing the cardboard box that is pushed out by the protrusions. The printed board can be held by the force and the elastic effect of the cushioning material, and the cardboard box will not bend even if external force is applied, and the printed board can always be securely held by the cushioning material. .

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 3, 4, and 5. In addition, Figures 1 and 2 in the figure
Parts that are the same as those in the drawings will be described using the same numbers.
In this embodiment, the groove 3 into which the printed board 1 fits,
A plurality of protrusions 6, 7, 6', 7' are integrally provided on the surface side of the cushioning material 2, 2' having a diameter of 3' in contact with the long side surface of the cardboard box 5, respectively. At this time, the shape of the protrusions 6, 7, 6', 7' provided on the cushioning materials 2, 2' may be any shape such as a cylinder or a prism, and the size thereof may be, for example, about 10 mm in diameter, but any shape may be used. The size is fine. Also, the heights of the protrusions 6, 7, 6', 7' are
Since the amount of deflection varies depending on the length of the cushioning materials 2, 2' and the size of the cardboard box 5, the height is set to an arbitrary height corresponding to the amount of deflection of the cardboard box 5. At this time,
The part where the cardboard box 5 deflects the most is the center part in the long side direction of the surface, and if a protrusion is provided only in that part, the cushioning material 2,
Since there is a risk that the printed board 1 may come off due to deflection of the printed board 2', a plurality of protrusions corresponding to the amount of deflection are provided in addition to the center part of the surface. Immediately, the protrusions 6, 7, 6',
The heights h ₁ and h ₂ of the protrusions 7' are set to match the amount of deflection of the cardboard box 5. In this case, the height h ₁ of the central protrusions 6 and 6' is made higher, and the protrusions 7 at both ends are made higher. ，
The height _h2 of 7' is made slightly lower than the projections 6, 6'.

In this way, the cushioning material 2 is provided with a plurality of protrusions 6, 7, 6', 7' having arbitrary shapes, sizes, and heights determined depending on the size and amount of deflection of the cardboard box 5. FIG. 5 shows a state in which the printed board 1 is housed in a cardboard box 5 using upper holding cushioning materials 4 and 4' (not shown). Here, the cardboard box 5 is in a state where it is pushed open by the protrusions 6, 7, 6', 7', and its dimension in the long side direction is approximately equal to the length of the cushioning materials 2, 2'. At this time, the repulsive force on the side of the cardboard box 5 and the cushioning material 2,
Due to the elastic effect of 2', the printed board 1 is firmly clamped. Therefore, the cardboard box 5 and the cushioning materials 2, 2' do not bend due to external pressure under transportation conditions such as truck transportation, and the printed board 1
will not come off from the grooves 3, 3', allowing reliable holding and packaging. The storage direction of the printed board 1 is perpendicular to the long side direction of the cushioning materials 2, 2', and the direction in which the printed board 1 is stored is perpendicular to the long side direction of the cushioning materials 2, 2'.
Although the shock absorbers 2 and 2' are housed in a direction perpendicular to the surface thereof, they may be housed in a horizontal direction, that is, a direction parallel to the long sides of the cushioning materials 2 and 2'. This is because the cushioning material deflects in the same direction in both cases.

Effects of the invention As explained above, according to the invention, by providing a plurality of protrusions on the side of the cushioning material that contacts the packaging box according to the bending of the packaging box, printing during transportation by truck etc. It is possible to prevent plate materials such as boards from coming off the cushioning material, and it is possible to prevent damage to plate materials such as printed boards and parts mounted on the printed boards. Further, since the protrusions can be processed integrally with the cushioning material, they can be easily molded.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a packaging device in a conventional example, Fig. 2 is a plan view of the packaging state, Fig. 3 is a perspective view of main parts of a cushioning material used in a packaging device in an embodiment of the present invention, and Fig. 4 is a plan view of the same cushioning material, and FIG. 5 is a plan view of the packaged state using the same cushioning material. 1... Board material such as printed board, 2, 2'... Cushioning material, 3, 3'... Groove, 4, 4'... Cushioning material for upper presser, 5... Cardboard box, 6, 7, 6',7'...protrusion.

Claims (1)

[Scope of utility model registration request] A pair of cushioning materials having grooves in which the ends of a board material such as a printed board are fitted perpendicularly to the long side direction of the board material are provided, and the board material is held perpendicularly to the pair of cushioning materials by the pair of cushioning materials. The plate material is stored in a packaging box, and the surface side of each cushioning material that contacts the packaging box is in contact with the inner surface of the packaging box, and the amount of deflection of the packaging box at this contact position is A packaging device comprising: a plurality of protrusions each having a corresponding height; and a structure in which the plurality of protrusions abut against the packaging box to inflate the packaging box outward without bending.