JP3062299U - Foldable lightweight transport case - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In a folded state, it has a small volume of about 1/4 or less of an assembled case, and can be assembled in an extremely short time, and does not damage articles inside during delivery. Provided is a foldable lightweight carrying case which is excellent in the effect of keeping cold and warm, and can be used many times, so that the discharge of garbage can be drastically reduced. A bottom plate, a side plate, and a top plate are formed of a heat-insulating thick plate material, and side plates are formed on four sides of a quadrilateral bottom plate such that the side plates can be bent and folded. The top plate is formed to be freely bendable on the upper side, and the bent portions of the bottom plate and the side plate and the bent portions of the side plate and the top plate are each attached with a bending-resistant tape from the outside, and the bottom plate, the side plate, and the side plate and the top plate Each of the inner ends has an oblique cross section of approximately 45 degrees, which is supported at a substantially right angle at the time of assembling. Further, the outer end of one side plate is slightly wider than at least the thickness of the top plate. A bend-resistant tape is attached to the outer upper edge, leaving a non-adhesive portion.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 This device is a lightweight case that is lightweight and insulative when transporting goods inside, but it can be folded and reduced in volume when there is no need to load, so it can be transported and stored. Regarding the transport case.

[0002]

[Prior art]

 Conventionally, a standard case made of integrally molded Styrofoam is generally used as a lightweight, heat-insulating transport case.

[0003]

[Problems to be solved by the invention]

 However, in the case of such a styrofoam insulated fixed transport case, the volume does not change even if the empty box is not used, and a large capacity space is required even when storing the empty box. Due to these costs of collection and storage, it was practically impossible to recycle the insulated fixed-size transport case of foamed styrene.

In the present invention, in order to solve the above-mentioned problem, a small volume of about 1/4 or less of a case in an assembled state in a folded state, and an assembly in a short time. Foldable lightweight carrying case.

[0005]

[Means for Solving the Problems]

 In this invention, the bottom plate, the side plate, and the top plate are formed of a heat-insulating thick plate material, and side plates are provided so as to be freely bent from each side of the quadrilateral bottom plate. A lid plate formed freely is provided. In addition, in order to speed up the assembly work and maintain the robustness of the assembled foldable lightweight carrying case, the bottom plate, side plate and top plate are made of heat-insulating thick plate material and bent at the four sides of the quadrilateral bottom plate. A side plate is formed as much as possible, and a top plate is formed on the upper side of one side plate of the opposing side plate in the side plates so that the top plate can be bent freely, and the bent portions of the bottom plate and the side plate and the bent portions of the side plate and the top plate are each resistant to the outside. The bendable tape is stuck, and the inner edges of the bottom and side plates and the side and top plates have oblique cross-sections of approximately 45 degrees each, so that they can be supported almost at right angles during assembly. In addition, a bend-resistant tape is attached to the outer upper edge, leaving a non-adhesive portion slightly wider than the thickness of the top plate at the outer end of one side plate. This heat insulating thick plate material is a urethane resin.

[0006]

[Embodiment of the invention]

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

Embodiment 1 Side plates 2a, 2a, 2b, 2b are formed to bend and bend at four sides of a quadrilateral bottom plate 1. Top plates 4, 4 are formed on the upper sides of the opposing side plates 2b, 2b so as to be freely bent. The bent portions of the bottom plate 1 and the side plates 2a and 2a, and the side plates 2b and 2b and the top plate 4 are provided with a bend-resistant tape 3a attached from the outside.

The bottom plate 1, the side plates 2a, 2a, 2b, 2b and the top plate 4 are all formed of a heat-insulating thick plate made of a hard urethane resin having excellent heat-retaining properties.

The inner ends of the bottom plate 1 and the side plates 2a, 2a, 2b, 2b and the side plates 2b, 2b and the top plate 4 each have an oblique cross section 5 at approximately 45 degrees. Accordingly, when the bottom plate 1 and the side plates 2a, the bottom plate 1 and the side plates 2b, and the side plates 2a and 2b and the top plates 4 and 4 are respectively assembled, they are accurately supported in close contact at right angles.

In FIG. 2, the bottom plate 1 and a right side plate 2 b connected to the right side of the bottom plate 1 are provided to be bendable and foldable with a tape 3 b having bending resistance. As described above, the outer side edge of the side plate 2b is bonded to the outer edge of the side plate 2b except for a non-adhesive portion 6 slightly wider than the thickness of the top plate 4. The non-adhered portion 6 is provided with a slack for positioning the thickness of the side plate 2b and the top plate 4 below the bottom plate 1 at the time of folding.

At the upper end inside the side plates 2a, 2a, single concave steps 8, 8 for supporting the top plates 4, 4 are formed. Therefore, when the top plates 4 and 4 are closed, the lower surfaces of the top plates 4 and 4 are supported by the single concave stepped portions 8 at the upper end inside the side plates 2a and 2a.

Further, at the outer ends of the top plates 4, 4, intermeshing steps 9, 9 are formed. A locking tape 10 is provided at the upper center of the outer surfaces of the side plates 2a, 2a, and the locking tape 10 is previously attached to the pair of top plates 4, 4 at the central positions adjacent to the side plates 2a, 2a side, respectively. The engagement fixing tape 11 is locked.

As described above, when the bottom plate 1, the side plates 2 a, 2 a, 2 b, 2 b and the top plate 4 are assembled respectively, the bottom plate 1 is kept horizontal and the side plates 2 a, 2 a, 2 b, When each of the side plates 2a, 2a, 2b, and 2b stands upright at a right angle with respect to the bottom plate 1 when the 2b is raised and the oblique cross sections 12 are brought into close contact with each other. Packing the transport articles into the case body and folding the top plates 4, 4 provided on the pair of opposing side plates 2b, 2b so as to be freely bent, the lower surfaces of the top plates 4, 4 are inside the side plates 2a, 2a. The upper end pieces are supported by the concave step portions 8, 8, and at the same time, the engaging step portions 9, 9 provided at the ends of the top plates 4, 4 are engaged with each other, and are provided at the upper center of the outer surfaces of the side plates 2a, 2a. The completed locking tape 10 is joined to the engaging and fixing tape 11 fixed to the upper surfaces of the top plates 4 and 4.

As shown in FIG. 10, a recess 12 is formed at the inner edge of each of the side plates 2a, 2a at the end of one of the side plates 2b, 2b.

Conversely, as shown in FIGS. 8 and 9, when folded, the side plate 2b and the top plate 4 connected to the side plate 2b are located on the back side of the bottom plate 1 as described above. A side plate 2b that is continuous with the bonding portion 6 and a top plate 4 that is continuous with the side plate 2b are located, and side plates 2a and 2a are stacked on the upper surface of the bottom plate 1 at opposing positions. As shown in FIG. 9, when the side plates 2a and 2a are overlapped on the upper surface of the bottom plate 1, the thickness of the side plates 2a and 2a is left on the edge 13 of the bottom plate. In this way, when folded, the whole is folded into a small volume.

[0015]

[Effect of the invention]

 In the foldable lightweight carrying case of the first aspect, the bottom plate, the side plate and the top plate are formed of a heat-insulating thick plate material, and the side plates are provided to be freely bent from each side of the quadrilateral bottom plate. Since a cover plate formed to be bent freely is provided on the upper side of the facing side plate, the foldable lightweight carrying case can be stored in a folded state when not used for storage and transportation. During transportation, the foldable lightweight carrying case, the main body and the top plate (lid) are integrally formed, so that assembly and folding can be performed easily and in a short time. In the foldable lightweight carrying case of the second aspect, the bottom plate, the side plate and the top plate are formed of a heat-insulating thick plate material, and the side plate is formed so as to be able to bend and bend at four sides of the rectangular bottom plate. A top plate is formed to be freely bendable on the upper side of one side plate of the opposing side plates, and the bottom plate and the side plate and the bent portions of the side plate and the top plate are each attached with a bending-resistant tape from the outside, and The inner ends of the bottom plate and the side plates, and the inner ends of the side plates and the top plate, each have an oblique cross section of approximately 45 degrees so that they can be supported at substantially right angles when assembled. The bottom plate, side plate, and top plate are all assembled into one unit in the assembled state, since a bend-resistant tape is adhered to the outer upper edge, leaving a non-adhesive part at least slightly wider than the top plate. I can do it. In addition, the bendable portions have a 45-degree oblique cross section that support each other, so that the assembling form is stable, the assembling can be performed in a short time, and the folding lightweight carrying case can be made strong. There is. At the same time, when not used as a foldable lightweight carrying case, the whole can be folded into a small volume, so that there is an effect that transportation and storage costs are significantly lower than those of the foldable lightweight carrying case. The foldable lightweight transport case of the present invention can be used repeatedly (several tens of times) by repeatedly assembling and folding, so the conventional disposable fixed case can greatly reduce the amount of garbage discharged. Finally, it will be possible to provide an inexpensive foldable lightweight transport case. In addition, since the bottom plate, the side plates, and the top plate are all formed of a heat-insulating thick plate material, it is possible to deliver the articles contained therein without damage. In the foldable lightweight carrying case according to the second aspect, the heat-insulating thick plate material is formed of urethane resin which is extremely excellent in heat-insulating effect and heat-retaining efficiency, so that it is optimal for delivery of cold-insulating and heat-retaining articles.

[Brief description of the drawings]

FIG. 1 is a perspective view of a foldable lightweight carrying case of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a perspective view showing a folded state.

FIG. 5 is an enlarged sectional view showing a state where a bottom plate and a side plate are extended.

FIG. 6 is an enlarged sectional view showing a state where the bottom plate and the side plate are assembled.

FIG. 7 is an enlarged sectional view showing a bonded state between the bottom plate and the side plate.

FIG. 8 is a perspective view showing the folded state of the present invention.

FIG. 9 is an enlarged sectional view of a main part showing a folded state.

FIG. 10 is a sectional view taken along line CC of FIG. 2;

FIG. 11 is a partial cross-sectional view showing a state in which a top plate is fixed to a main body.

[Explanation of symbols]

 1. . . Bottom plate 2a. . Side plate 2b. . Side plate 3a. . Bend-resistant tape 3b. . 3. Bend-resistant tape . . Top plate 5. . . Oblique cross section 6. . . Non-adhesive part 8. . . One-side recessed step 9. . . 10. meshing step . Locking tape 11. . Engagement fixing tape 12. . Contact recess 13. . Edge of bottom plate

Claims (3)

[Utility model registration claims] 1. A bottom plate, a side plate, and a top plate are formed of a heat-insulating thick plate material, and side plates are provided so as to be freely bent from each side of a quadrilateral bottom plate. A foldable light-weight carrying case, comprising a freely formed lid plate. 2. A bottom plate, a side plate and a top plate are formed of a heat-insulating thick plate material, and side plates are formed on four sides of a quadrilateral bottom plate such that the side plates can be bent and folded. A top plate is formed to be freely bendable on the upper side of the side plate, and the bent portions of the bottom plate and the side plate, and the bent portions of the side plate and the top plate are each bonded with a bend-resistant tape from the outside, and the bottom plate, the side plate, and the side plate and the top plate. The inner end of each side has an oblique cross section of approximately 45 degrees, which is supported at a substantially right angle at the time of assembling, and the outer end of one side plate is at least slightly thicker than the thickness of the top plate. A foldable lightweight carrying case characterized in that a bending-resistant tape is adhered to the outer upper edge, leaving a wide non-adhesive portion. 3. The foldable lightweight carrying case according to claim 1, wherein the heat-insulating thick plate material is a urethane resin.