JPH0352675Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention relates to a box made of a sectional plastic foam board that insulates and stores frozen desserts such as ice cream and cheesecake, and hot lunch boxes.

<Prior Art> Such a prefabricated heat insulating box made of plastic foam plates is known from Japanese Utility Model Publication No. 54-9559.

<Problems to be solved by the invention> However, since the above-mentioned heat-insulating box does not have a handle, it must be carried in a bag or the like, which is inconvenient.

<Means for solving the problem> Therefore, the prefabricated insulating box of the present invention is made of a plastic foam board, and includes a bottom plate, left and right side plates connected to both sides of the bottom plate via hinges, and two side plates at both ends of the bottom plate. Front and rear end plates connected via hinges, left and right upper plates connected via hinges to the outside of each of the left and right side plates and covering 1/2 of the top of the bottom plate, and hinges outside of each of the upper plates. It is integrally equipped with left and right hand plates that are connected through the top plate and can stand upright facing each other when each top plate covers the top of the bottom plate, and the opposing inner surfaces of the end plate, the left and right side plates, and the upper It is characterized in that a protrusion is provided on one side of each edge of the plate, and an assembly groove into which the protrusion fits is provided on the other side.

<Function> To assemble it into a box, raise the left and right side plates, and bend the left and right top plates connected to each side plate toward the other to cover the top of the bottom plate. The hand boards are raised to face each other, and then the front and rear end boards are raised, and the front and rear edges of the left and right side boards and the upper board are joined to the inner surface of the end board by means of protrusions fitted into the assembly grooves.

<Example> In each of the illustrated examples, reference numeral 1 is a styrofoam board with a thickness of about 5 to 10 mm in the unfolded state of the box, and a bottom plate 2 and left and right panels connected to both sides of the bottom plate 2 via hinges 3'. side plates 3, 3; front and rear end plates 4, 4 connected to both front and rear ends of the bottom plate via hinges 4';
left and right upper plates 5 connected to the outside of each of the left and right side plates via hinges 5' and covering 1/2 of the top of the bottom plate;
5, connected to the outside of each upper plate via a hinge 6',
Left and right hand plates 6, 6 that can stand upright facing each other when each top plate covers the top of the bottom plate are integrally provided, and the left and right side plates 3, 3 are provided on the opposing inner surfaces of the end plates 4, 4. An assembly groove 7 is provided along the periphery to receive each edge of the upper plates 5, 5.
6 shows an opening 8 for passing a finger through.

The front and rear edges of the left and right side plates 3, 3 and the front and rear edges of the left and right top plates 5, 5 have protrusions that protrude along the inner surface of the box with a thickness approximately half the thickness of the box. A protruding strip 9 is integrally provided, and this protruding strip 9 projects into the assembly groove 7. The thickness of the protrusion 9 is the same as the width of the assembly groove 7, or is slightly larger than the groove width.

Incidentally, the hinges 3' and 4' around the bottom plate 2 are formed into thin 90° grooves that are opened on the inner surface of the box.

1 to 3 show an embodiment in which the box is assembled into a rectangular parallelepiped, and the left and right side plates 3, 3 and the front and rear end plates 4, 4 have the same height. Since the top plate 5 is bent at right angles to the side plate 3, the hinge 5' is formed thin with a 90° groove on the inner surface of the box, and the hand plate 6 is oriented upward with respect to the top plate 5. In order to bend the box at a right angle, the hinge 6' is formed into a thin 90° groove on the outside of the box.

Therefore, as stated in the <effect> section above,
Lift up the side plates 3, 3 and bend the left and right upper plates 5, 5 connected to each side plate 3 at right angles toward each other to cover the top of the bottom plate 2,
The hand plates 6 connected to each top plate 5 are raised at right angles to face each other, and then the front and rear end plates 4, 4 are raised to protrude the front and rear edges of the left and right side plates 3, 3 and the top plates 5, 5. Fit the strips 9 into the assembly grooves 7. The contents to be stored in the box may be placed on the bottom plate 2 at the beginning of folding each plate, or may be placed during assembly.

As a result, the protrusions 9 on the front and rear edges of the left and right side plates 3, 3 and the upper plates 5, 5 protrude into the assembly grooves 7 on the inner peripheral edge of the end plate and are connected to the end plate 4.
The box will remain closed unless you open it by flipping it upside down.

Then, it can be carried by holding the hand plates 6, 6 that stand facing each other.

Figures 4 to 6 show an embodiment in which the box is assembled into a gabled house shape, and each gable plate 4 has an isosceles triangular portion at the top. Therefore, each upper plate 5 has a width corresponding to the oblique side 4a of the triangle of the end plate. When the term angle α of the triangle of the end plate 4 is, for example, 90°, the angle β of the triangular corner of the end plate is 135°, so the hinge 5' compensates for the angle β of the opening groove on the inner surface of the box. Formed thinly with a corner (180°-135°=45°) shaped groove, and
The hinge 6' is thinly formed in the form of the same supplementary angle as the groove opened on the outer surface of the box.

Therefore, by raising the side plates 3, 3 and bending the left and right upper plates 5, 5 connected to each side plate 3 toward each other by 45 degrees, the top of the bottom plate 2 is covered, and each upper plate 5 is bent. Connected hand 6 at right angle 45°
Stand up and make them face each other, then the front and back gable boards 4, 4
, and fit the protrusions 9 on the front and rear edges of the left and right side plates 3, 3 and the upper plates 5, 5 into the assembly grooves 7.

As a result, the protrusions 9 on the front and rear edges of the left and right side plates 3, 3 and the upper plates 5, 5 protrude into the assembly grooves 7 on the inner peripheral edge of the end plate and are connected to the end plate 4.
The box will remain closed unless you open it by flipping it upside down.

Then, it can be carried by holding hand plates 6, 6 that stand facing each other.

In order to more firmly maintain the contact state of the hand plates 6, 6, one side of the hand plates is provided with a hole or a recess 10, and the other side is provided with a protruding portion 11 that plunges tightly into the hole or recess when the two sides are brought into contact. may be provided.

Further, as shown in FIGS. 7 to 9 which are modifications of the embodiment shown in FIGS. 1 to 3, and FIGS. 10 to 12 which are modifications of the embodiment shown in FIGS. An integral protrusion 12 similar to the protrusion 9 is provided on the front and rear edges, and in the embodiment shown in FIGS. An upwardly facing plate 13 is provided which projects with a width of
2 and 12 in the assembled state, and 10th to 1st
In the embodiment shown in FIG. 2, an upwardly facing plate 13 is provided which projects upward from the triangular neck of each of the front and rear end plates with a width equal to the width of the hand plates 6, 6 facing each other. This protrusion 12 is inserted into the hole 15 in an assembled state. Since the upper end of each upward facing board 13 is at the same level as the upper surface of the handing boards 6, 6, both end surfaces of the handing boards 6, 6 that stand facing each other are thereby
At the same time, the opposing protrusions 12, 12 at both ends of the hand plates 6, 6 fit into the grooves 14 and holes 15 of the upward facing plates, so the upright strength of the hand plates is significantly increased.
It can withstand rough handling without damage while being carried.

In each of the illustrated embodiments, protrusions 9 for assembly are provided on the front and rear edges of the left and right side plates 3, 3 and the left and right upper plates 5, 5, and assembly grooves 7 are provided on the inner surfaces of the front and rear end plates 4, 4. However, on the contrary, the assembly groove 7 was installed on the left and right side plates 3, 3.
Projections 9, 9 may be provided on the front and rear edges of the left and right upper plates 5, 5 and fit into the assembly grooves on the inner surface of each end plate 4, 4.

<Effects of the Invention> According to the present invention, it is possible to provide a prefabricated heat insulating box which has the standing hand plates 6, 6 facing each other and can be carried by holding them.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the insulating box according to the first embodiment of the present invention in a state in the middle of assembly, Fig. 2 is a developed view of the insulating box of Fig. 1, and Fig. 3 is a cross section taken along the - line in Fig. 2. figure,
Fig. 4 is a perspective view of the insulating box according to the second embodiment of the present invention in a state in the middle of assembly, Fig. 5 is an exploded view of the insulating box of Fig. 4, and Fig. 6 is a cross section taken along the - line in Fig. 5. Figure, 7th
The figure is a perspective view of the insulating box of the third embodiment of the present invention in a state in the middle of assembly, Fig. 8 is a partially developed view of the insulating box of Fig. 7, and Fig. 9 is an assembly of the insulating box of Fig. 7. FIG. 10 is a perspective view of an insulating box according to another embodiment of the present invention in a state in which it is in the middle of being assembled; FIG. 11 is an exploded view of a part of the insulating box of FIG. FIG. 12 is a partial perspective view of the insulating box shown in FIG. 10 in an assembled state. In the figure, 1 is a foamed plastic board, 2 is a bottom plate, and 3
4 indicates the left and right side plates, 4 indicates the front and rear end plates, 5 indicates the left and right upper plates, 6 indicates the left and right hand plates, 7 indicates the assembly groove, and 9 indicates the protrusion.

Claims (1)

[Scope of utility model registration request] It is made of a plastic foam board, and includes a bottom plate, left and right side plates connected to both sides of the bottom plate via hinges, front and rear end plates connected to both ends of the bottom plate via hinges, and outside of each of the left and right side plates. Left and right upper plates that are connected via a hinge and cover 1/2 of the top of the bottom plate, and connected to the outside of each of the upper plates via a hinge,
It is integrally equipped with left and right hand plates that can face each other and stand upright when each top plate covers the top of the bottom plate, and the opposing inner surfaces of the end plate and the respective edges of the left and right side plates and the top plate are connected to each other. An assembly-type insulation box with a handle, characterized in that a protrusion is provided on one side of the box, and an assembly groove into which the protrusion fits is provided on the other side.