Pallet and combination unit

The pallet design with beams and container fitting portions addresses the issue of limited space and interference, allowing stable stacking and secure loading on containers with protrusions.

JP2026023078APending Publication Date: 2026-02-13SANKO CO LTD
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Patent Information

Application Number
JP2024124807
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2026-02-13

AI Technical Summary

Technical Problem

Existing folding containers have limited storage space due to side walls, and stacking pallets on containers with protrusions is hindered by interference.

Method used

A pallet design with downward extending beams, fork insertion sections, and container fitting portions that allow stacking on containers with protrusions, while securing a large loading area and preventing interference.

Benefits of technology

Enables stable stacking of pallets on containers with protrusions, maintaining a large loading area and preventing deformation or interference.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a pallet which can be stacked well.SOLUTION: The lower surface (5) of the pallet (2) is provided with the vessel fitting portion (6) capable of receiving the convex portion (32) protruding from the upper surface (35a) of the sidewall portion (35) of the vessel (3), and the inner surface of the protruding portion (11a) protruding upward from the outer side portion (11b) of the placement portion (11) is located outward from the inner surface of the sidewall portion (35) of the vessel (3).SELECTED DRAWING: Figure 2
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Description

[Technical Field]

[0001] The present invention relates to a pallet and a combination unit of said pallet and a container. [Background technology]

[0002] Large containers used for storing and transporting goods such as luggage are known. For example, Patent Document 1 discloses a collapsible container in which side walls are rotatably connected to the four outer edges of a rectangular bottom plate, making the side walls tiltable, and the side walls can be folded down and stacked on the bottom plate.

[0003] Furthermore, there is a plate-type structure called a "pallet" that is a transport and storage structure different from the container-type structure such as the folding container of Patent Document 1. Pallets are used by placing them on the floor or ground, or on top of containers. Furthermore, goods such as luggage can be placed on the top surface of the pallet, and the pallet is used for transporting and storing the goods. For example, a pallet such as that disclosed in Patent Document 2 is known. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Publication number 05-016105 [Patent Document 2] Japanese Patent Application Laid-Open No. 2010-030609 Summary of the Invention [Problem to be solved by the invention]

[0005] In the case of the folding container of Patent Document 1, since it has a structure in which the periphery is surrounded by side walls, the area for storing goods such as luggage is inevitably narrowed by the thickness of the side wall panels.

[0006] However, when stacking the above-mentioned pallets on top of containers, if there is a protrusion on the top of the container, the container will interfere with the bottom end of the pallet, making it impossible to stack them. For example, the top end of the side wall panel shown in Figure 1 of Patent Document 1 has a protruding structure.

[0007] One aspect of the present invention aims to provide a pallet that can secure a large area for placing items such as luggage and can be stacked well on containers with protrusions, and a combination unit that combines the pallet with a container. [Means for solving the problem]

[0008] In order to solve the above problems, a pallet according to one embodiment of the present invention is a pallet that is rectangular in plan view and has a loading section on which cargo can be placed, a plurality of girders extending downward from the loading section, and fork insertion sections formed between the girders into which forks of a lifting means can be inserted, wherein the underside of the pallet can abut against the upper surface of the side wall of a container in at least some areas, and the pallet is stacked in the container by this abutment, and the underside is provided with a container fitting section that can receive a protrusion protruding from the upper surface of the side wall of the container, and is provided with a protrusion protruding upward from the outer edge of the loading section, and when the pallet is stacked in the container, the inner surface of the protrusion is positioned outward from the inner surface of the side wall of the container.

[0009] In order to solve the above problem, a combination unit according to one aspect of the present invention combines the above-mentioned pallet with a container on which the pallet can be stacked, the container having side walls and a bottom wall, and capable of storing cargo in the space surrounded by the side walls and the bottom wall. [Effects of the Invention]

[0010] According to one aspect of the present invention, it is possible to realize a pallet that can be stacked favorably on a container, and a combination unit that combines the pallet with a container. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is an external perspective view of a combination unit according to an embodiment of the present invention; [Figure 2] FIG. 2 is an enlarged view of a part of the area (A) enclosed by a dashed dotted line in FIG. [Figure 3] 2 is a partially enlarged view of the area (B) enclosed by the dashed dotted line shown in FIG. [Figure 4] 2 is an enlarged view of a part of the dashed-dotted frame (C) shown in FIG. [Figure 5] 2 is a perspective view of a pallet according to one embodiment of the present invention provided in the combination unit shown in FIG. 1. FIG. [Figure 6] 2 is a perspective view of a pallet according to one embodiment of the present invention provided in the combination unit shown in FIG. 1. FIG. [Figure 7] 3 is a cross-sectional view taken along the line AA in FIG. 2. [Figure 8] 4 is a cross-sectional view taken along the line BB in FIG. 3. [Figure 9] 5 is a cross-sectional view taken along line CC in FIG. 4. [Figure 10] 5 is a cross-sectional view taken along the line DD in FIG. 4. [Figure 11] 2 is a four-view diagram of a pallet provided in the combination unit shown in FIG. 1. [Figure 12] FIG. 1 is a perspective view showing two pallets according to an embodiment of the present invention stacked on top of one another. [Figure 13] 13 is a cross-sectional view taken along line EE in FIG. 12. [Figure 14] FIG. 10 is a side view showing another aspect of the pallet according to one embodiment of the present invention, two of which are stacked on top of one another. [Figure 15] FIG. 15 is a partial perspective view of the pallet shown in FIG. 14. [Figure 16] FIG. 2 is a partial perspective view of a container provided in the combination unit shown in FIG. 1. DETAILED DESCRIPTION OF THE INVENTION

[0012] The following describes an embodiment of a combination unit according to the present invention and a pallet, which is a component of the unit, with reference to the drawings. Each drawing also shows a three-dimensional coordinate system in which the horizontal plane is the XY plane and the vertical direction is the Z axis, with the lower surface of the pallet and the bottom surface of the container defined as a horizontal plane. Furthermore, when describing each component or the positional relationship between components, unless otherwise specified, the description will be based on the assumption that the lower surface of the pallet and the bottom surface of the container are located on a horizontal plane. Furthermore, when describing each component, the side closer to the center of the pallet or container will be referred to as the "inside" (inner side), and the direction toward the center will be referred to as the "inward side." Conversely, the side farther from the center will be referred to as the "outside" (outer side), and the direction away from the center will be referred to as the "outward side." The terms "inner side" and "outward side" used in this specification are also used to describe the positional relationship between components that are not located on the same horizontal plane. In this case, when viewed in a virtual vertical cross section (XZ plane or YZ plane) that includes components that are not located in the same horizontal plane, the components that are closer to the center are said to be located inward, and the components that are farther from the center are said to be located outward.

[0013] FIG. 1 is an external perspective view of a combination unit 50 according to this embodiment. The combination unit 50 comprises a container 3 having a space capable of accommodating cargo, and a pallet 2 that can be stacked on the container 3. The two are separate components, and the pallet 2 can be stacked on the container 3 as needed. The combination unit shown in FIG. 1 shows the pallet 2 stacked on the container 3, which can be described as a transported package. Once the pallet 2 is released from its stacked state on the container 3, it can be placed alone on the ground or floor and can also be used in this state. The pallet 2 can also be used as a lid to cover the opening of the container 3 (the space surrounded by the side wall).

[0014] The pallet 2 is made of resin, for example. For example, it may be molded as a single piece from resin, or may be made by welding together multiple resin parts. A cargo 1 can be placed on the pallet 2. For example, the cargo 1 is a collection of multiple small boxes, as shown in FIG. 1.

[0015] A lid 4 can be placed on the luggage 1. The lid 4 has a plurality of lid protrusions 41 that protrude upward from its outer periphery, and each lid protrusion 41 extends along the outer periphery of the lid 4. Containers having the same configuration as the container 3 can also be stacked on the lid 4. When the containers 3 are stacked on the lid 4, the lid protrusions 41 may be configured to be received by the legs 31 of the container 3. In other words, the legs 31 of the container 3 shown in FIG. 1 are provided with fitting portions 33 that can receive the lid protrusions 41. As another example, a pallet having the same configuration as the pallet 2 can also be stacked on the lid 4. When the pallet 2 is stacked on the lid 4, the lid protrusions 41 may be configured to be received by the container fitting portions 6 of the pallet 2. The lid 4 may also be included as a component of the combination unit 50.

[0016] The container 3 has a side wall 35 and a bottom wall 37, and is a box-shaped structure capable of accommodating luggage in the space surrounded by the side wall 35 and the bottom wall 37. The container 3 is made of resin, for example. The bottom wall 37 is rectangular in plan view. The side wall 35 is a wall rising from each of the four outer edges of the bottom wall 37. In the example shown in FIG. 1, the container 3 has a rectangular shape in plan view, with a pair of long sides extending in the X-axis direction and a pair of short sides extending in the Y-axis direction. Note that the container 3 is not limited to a rectangular shape in plan view.

[0017] The side walls 35 are rotatably connected to the bottom wall 37, and can be assembled into a box shape when the side walls 35 are in an upright position as shown in Fig. 1, but can also be folded by tilting each side wall 35 toward the inner surface of the bottom wall 37. By folding the side walls 35, the container 3 becomes compact and is easy to carry and store. Note that the container 3 may be a foldable container like this, but is not limited to a foldable type.

[0018] When the pallets 2 are stacked on the container 3, the lower surface of the pallets 2 abuts against the upper surface of the side wall portion 35. The upper surface of the side wall portion 35 is provided with a convex portion that protrudes upward. The convex portion will be described later.

[0019] Below, we will explain the components of the pallet 2 and the relationship between the components of the pallet 2 and the container 3 using Figures 2 to 4, which are partially enlarged views of the combination unit 50 shown in Figure 1, and Figures 5 and 6, which are oblique views of the pallet 2.

[0020] FIG. 2 is a partial enlarged view of the dashed-dotted box (A) shown in FIG. 1, showing the stacked portion of the container 3 and the pallet 2 at the center of the long side of the combination unit 50. FIG. 3 is a partial enlarged view of the dashed-dotted box (B) shown in FIG. 1, showing the stacked portion of the container 3 and the pallet 2 at the center of the short side of the combination unit 50. FIG. 4 is a partial enlarged view of the dashed-dotted box (C) shown in FIG. 1, showing the stacked portion of the container 3 and the pallet 2 at the corner where the long side and short side of the combination unit 50 intersect. FIG. 5 shows the combination unit 50 of FIG. 1 without the container 3, the cargo 1, and the lid 4. FIG. 6 is a perspective view of the pallet 2 shown in FIG. 5, turned upside down so that the bottom surface of the pallet 2 faces upward.

[0021] 2 to 4, the pallet 2 has a lower surface 5 that can come into contact with the upper surface 35a of the side wall portion 35 of the container 3. The upper surface 35a and the lower surface 5 come into contact with each other, thereby stacking the pallet 2 on the container 3. The lower surface 5 of the pallet 2 is provided with a container fitting portion 6 that can receive a protrusion 32 protruding from the upper surface 35a of the side wall portion 35 of the container 3.

[0022] As shown in FIG. 5, the pallet 2 has a placement section 11 on which cargo can be placed. As shown in FIG. 1, cargo 1 can be placed on the placement section 11. The placement section 11 is rectangular in plan view and includes an outer periphery 11a along its four outer edges. The outer periphery 11a of the placement section 11 is provided with a protrusion 11b that protrudes upward (in the positive direction of the Z axis) from the outer periphery 11a. The protrusion 11b extends a predetermined length along the outer periphery 11a. There is no particular restriction on the upward protrusion length of the protrusion 11b, as long as it protrudes to an extent that it can support the cargo (100 in FIG. 1) placed on the placement section 11 if it slides sideways. As an example, the protrusion length of the protrusion 11b is shorter than the thickness from the bottom surface 5 of the pallet 2 to the top surface of the placement section 11. There is no particular limitation on the length between the inner and outer surfaces of the protrusion 11b, as long as it is long enough to withstand pressure from the inside caused by luggage and to withstand impacts from the outside.

[0023] The pallet 2 also includes a plurality of beams 12 extending downward (in the negative direction of the Z axis) from the mounting portion 11, and fork insertion portions 13 formed between the beams 12, into which forks (not shown) of a lifting means can be inserted. The fork insertion portions 13 are provided in the space between the upper surface of the connecting portion 14 and the lower surface of the mounting portion 11, which are separated by the beams 12, and the fork insertion portions 13 are disposed above the connecting portions 14. The container fitting portions 6 are provided below (on the negative side of the Z axis) the lower edge of the fork insertion portions 13 (the edge on the negative side of the Z axis of the fork insertion portions 13).

[0024] The pallet 2 also has a lower deck 15 formed by the lower ends of the beams 12 and a connecting section 14 that connects the lower ends of the beams 12. The lower surface 5 of this lower deck 15 corresponds to the lower surface 5 of the pallet 2. The upper surface of the connecting section 14 corresponds to the lower side of the fork insertion section 13.

[0025] The lower surface 5 of the lower deck 15 is configured to be flush with the XY plane as shown in Fig. 6. The outer periphery 5a of the lower surface 5 is provided with a plurality of the container fitting portions 6 described above.

[0026] The container fitting portions 6 are provided at the corners and at the center of each side of the perimeter 5a of the bottom surface 5, which is rectangular in plan view. In other words, the convex portions 32 on the top surface 35a of the side wall 35 of the container 3 include a central convex portion provided in the center of the perimeter of the container 3 and corner convex portions provided at the corners of the container 3. FIG. 16 is a perspective view of the front side of the container 3. As shown in FIG. 16, the top surface 35a of the side wall 35 of the container 3 includes a central convex portion 321 provided in the center of the perimeter of the container 3 and corner convex portions 322a, 322b provided at the corners of the container 3. Each container fitting portion 6 provided on the perimeter 5a of the bottom surface 5 is configured to receive each convex portion 32. This will be described in detail below with reference to FIGS. 2 to 4.

[0027] As shown in FIG. 2, the lower surface 5 abuts against the upper surface 35a of the side wall portion 35 and includes a container fitting portion 6 that can receive a central protrusion 321 that protrudes from the upper surface 35a. The container fitting portion 6 is configured in a concave shape and is recessed from the outer periphery 5a of the lower surface 5 in the positive Y-axis direction and the positive Z-axis direction. The length of the container fitting portion 6 in the X-axis direction is at least the extension width (length in the X-axis direction) of the central protrusion 321 that extends in the X-axis direction. In other words, the container fitting portion 6 shown in FIG. 2 is provided at the lower end of the girder portion 12 that constitutes the lower surface deck 15.

[0028] As shown in Figure 2, the perimeter 5a of the lower surface 5 has an extension 7, which is a portion of the perimeter 5a that extends outward. The extension 7 has a central extension 71 in the center of the lower surface 5 on the long side of the pallet 2 shown in Figure 2. A lower end portion, which is a part of the central extension 71 shown in Figure 2, abuts against the surface of the central protrusion 321 on the upper surface 35a. In other words, the central extension 71 of the extension 7 is provided at a position corresponding to the central protrusion 321.

[0029] Fig. 7 is a cross-sectional view taken along line AA in Fig. 2. The central extending portion 71 shown in Fig. 7 abuts against the surface of the central protrusion 321. Specifically, the central extending portion 71 abuts against the upper surface 321a of the central protrusion 321. The central extending portion 71 also includes an outward facing portion 72 that faces the central protrusion 321 from the outside.

[0030] Here, the container fitting portion 6 has an inner facing portion 63 provided to face the central convex portion 321 (convex portion 32) from the inside. The container fitting portion 6 also has a horizontal facing portion 65 that faces the central convex portion 321 (convex portion 32) in a direction along the outer periphery 5a of the lower surface 5 (the Y-axis direction in FIG. 8). Note that FIG. 7 only shows the horizontal facing portion 65 at the back of the drawing.

[0031] 7, there is provided a top surface 74 that connects the outer facing portion 72 and the inner facing portion 63. The top surface 74 abuts against the upper surface 321a of the central protrusion 321. In other words, the outer facing portion 72, the inner facing portion 63, the top surface 74, and the horizontal facing portion 65 constitute a container fitting portion 6 that can receive the central protrusion 321 (protrusion 32).

[0032] Next, the portion shown in Figure 3 will be described. In the portion shown in Figure 3, as in the portion shown in Figure 2, the lower surface 5 abuts against the upper surface 35a of the side wall portion 35 and includes a container fitting portion 6 that can receive a central protrusion 321 protruding from the upper surface 35a. The outer perimeter 5a of the lower surface 5 also includes an extension portion 7 that is a portion of the outer perimeter 5a that extends outward. The extension portion 7 includes a central extension portion 71 in the central portion of the lower surface 5 on the short side of the pallet 2 shown in Figure 3. The central extension portion 71 of the extension portion 7 is provided at a position that corresponds to the central protrusion 321.

[0033] Fig. 8 is a cross-sectional view taken along line BB in Fig. 3. The central extending portion 71 shown in Fig. 8 has a different shape from the central extending portion 71 shown in Fig. 2 and Fig. 7, and has a region that abuts against the surface of the central protrusion 321 and a region that abuts against the upper surface 35a of the side wall portion 35. Fig. 8 shows the region that abuts against the upper surface 35a of the side wall portion 35, out of these regions.

[0034] 2 and 7, the area of ​​the central extending portion 71 shown in Fig. 8 includes an outward facing portion 72 and a top surface 74. In other words, like the central extending portion 71 shown in Fig. 7, the outward facing portion 72, the inward facing portion 63, the top surface 74, and the horizontally facing portion 65 form the container fitting portion 6 that can receive the central protrusion 321 (protrusion 32).

[0035] 8. The area of ​​the central extending portion 71 shown in FIG. 3 that abuts against the upper surface 35a of the side wall portion 35 is an area that includes the lower end of the horizontally facing portion 65 shown in FIG.

[0036] Next, the portion shown in Fig. 4 will be described. In the portion shown in Fig. 4, the lower surface 5 also abuts against the upper surface 35a of the side wall portion 35 and includes a container fitting portion 6 that can receive the protrusion 32 protruding from the upper surface 35a. Specifically, the protrusion 32 has corner protrusions 322a, 322b provided at the corner portions of the container 3 shown in Fig. 4. The container fitting portions 6 provided at the corner portions of the lower surface 5 are provided at positions that correspond to the corner protrusions 322a, 322b, respectively.

[0037] Similarly to the central portion, the corner portions of the perimeter 5a of the underside 5 have extension portions 7, which are parts of the perimeter 5a that extend outward. The extension portions 7 have corner extension portions 70 at the corner portions of the pallet 2 shown in FIG.

[0038] 9 is a cross-sectional view taken along line CC in FIG. 4. The area shown in FIG. 9 includes the end of the corner extension 70. As shown in FIG. 9, the container fitting portion 6 includes an inward facing portion 63 located inward of the corner protrusion 322b on the upper surface 35a, and a horizontally facing portion 65 facing the corner protrusion 322b (protrusion 32) in a direction along the periphery 5a of the lower surface 5 (the Y-axis direction in FIG. 9). Here, the corner extension 70 includes a top surface 74 facing the top surface of the corner protrusion 322b. This top surface 74 does not abut against the top surface of the corner protrusion 322b.

[0039] Next, the position of the perimeter 5a of the underside 5 in the region without the above-described extension portions 7 will be described with reference to FIG. 10, which is a cross-sectional view taken along the line DD in FIG. 4. As shown in FIG. 10, when the pallet 2 is stacked in the container 3, the perimeter 5a of the underside 5 is located outward from the inner surface 35b of the side wall 35 of the container 3. In one example, as shown in FIG. 10, the perimeter 5a of the underside 5 is located outward from the inner surface 35b of the side wall 35 of the container 3 by a width T2. This configuration allows the pallets 2 to be stacked in the container 3. Note that the gap between the convex portion 32 and the inward facing portion 63 is smaller than the above-described width T2. Furthermore, the gap between the convex portion 32 and the horizontally facing portion 65 is also smaller than the above-described width T2. This small gap prevents the pallet 2 from falling into the container 3.

[0040] Additionally, the outer periphery 5a of the underside 5 of the pallet 2 is located inward from the protrusion 11b. In one example, as shown in Fig. 10, the outer periphery 5a of the underside 5 of the pallet 2 is located inward from the inner surface 11ba of the protrusion 11b by a width T1. Additionally, the inner surface 11ba of the protrusion 11b is located outward from the inner surface 35b of the side wall 35 of the container 3 (toward the negative X-axis direction in Fig. 10).

[0041] The gap between the horizontally opposed portions 65 of the container fitting portion 6 provided in the center of each of the long and short sides of the underside 5 and the central protrusion 321 received in this container fitting portion 6 may be set smaller than the gap between the horizontally opposed portions 65 of the container fitting portion 6 provided in the corner portions of the underside 5 and the corner protrusions 322a, 322b received in this container fitting portion 6. With this configuration, by reducing the gap at the center, where the effect of tolerance is small, interference during stacking can be prevented and the amount of backlash can be reduced.

[0042] Here, the positional relationship between the outer periphery 11a of the loading section 11 of the pallet 2, the outer periphery 5a of the underside 5, and the protrusions 11b will be explained using Figure 11. Figure 11 is a four-sided view of the pallet 2, with the upper side of Figure 11 showing a plan view of the cargo loading side of the loading section 11 of the pallet 2 and a side view of the short side of the pallet 2, the lower side of Figure 11 showing a view of the underside 5 of the lower deck 15 of the pallet 2, and the center of Figure 11 showing a side view of the long side of the pallet 2.

[0043] The lower part of Figure 11 shows the long side width W5x along the long side of the lower surface 5 of the lower deck 15 and the short side width W5y along the short side of the lower surface 5. The figure also shows the long side width W11x and short side width W11y of the mounting portion 11. The long side width W5x is slightly shorter than the long side width W11x. The short side width W5y is also slightly shorter than the short side width W11y. In other words, the lower surface 5 of the lower deck 15 is slightly smaller than the mounting portion 11 in a plan view.

[0044] On the load placement side of the placement section 11 shown in the upper part of Figure 11, the long side inner dimension W11xi of the inner dimensions formed by the inner surfaces of each protrusion 11b is slightly longer than the long side width W5x shown in the lower part of Figure 11. Also, the short side inner dimension W11yi is slightly longer than the short side width W5y shown in the lower part of Figure 11. This can be said as the outer periphery of the underside 5 of the pallet 2 being located inward from the protrusions 11b. This allows the pallets 2 to be stacked well. Stacking of pallets will be described later.

[0045] 11 is slightly smaller than the outer dimension of the long side (X-axis direction) of the container 3 in FIG. 1, but is larger than the inner dimension of the long side (the distance between the side wall portions 35) of the container 3. Also, the short side width W5y of the lower surface 5 is slightly smaller than the outer dimension of the short side (Y-axis direction) of the container 3, but is larger than the inner dimension of the short side of the container 3. This allows the lower surface 5 of the pallet 2 to be placed on (come into contact with) the upper surfaces 35a of the side wall portions 35 of the container 3.

[0046] Furthermore, the inner dimensions W11xi and W11yi of the loading side of the loading section 11 are each larger than the inner dimensions of the container 3. In other words, when the pallets 2 are stacked in the container 3, the inner surface 11ba of the protrusion 11b is positioned outward from the inner surface 35b of the side wall 35 of the container 3.

[0047] As shown in FIGS. 2 to 5, the protrusion 11b has a notch 11c above the range where the above-mentioned extensions 7 (central extension 71, corner extensions 70) are provided.

[0048] 10, the outer surface 11bc of the protrusion 11b and the outer surface 35c of the side wall 35 of the container 3 are located in the same plane along the vertical direction. However, they do not have to be located in the same plane.

[0049] Additionally, the outer surface 11bc of the protrusion 11b and (the outer end of) the central extension 71 are positioned in the same plane along the vertical direction.

[0050] Like the central extension 71 (outer end), the corner extension 70 (outer end) may be located in the same plane along the vertical direction as the outer surface 11bc of the protrusion 11b. This increases the contact area of ​​the corner portion of the lower surface 5 with the container 3, making the stack more stable. Also, being located in the same plane makes it possible to prevent external impacts from being received only by the protrusion 11b. Also, being located in the same plane makes it possible to store the pallet 2 upright with either the long side or the short side of the pallet 2 aligned vertically.

[0051] Figure 12 is a perspective view showing two pallets 2 stacked one on top of the other, as described above. Figure 13 is a cross-sectional view taken along the line EE in Figure 12. As shown in Figure 13, the lower deck 15 side of the stacked pallets 2 is inserted into a recess surrounded by protrusions 11b on the cargo loading side of the loading section 11 of the lower pallet 2. This allows the upper pallet 2 to be stacked stably without sliding due to the protrusions 11b of the lower pallet 2.

[0052] Here, an enlarged view of the area enclosed by a dashed line on the left side of Figure 13 is shown on the right side of Figure 13, and in this embodiment, the protrusion length H11b of the protrusion 11b is configured to be smaller than the thickness H15 of the lower deck 15. As a result, when the forks of the lifting means are inserted into the fork insertion portions 13 of the stacked pallets, the protrusions 11b of the lower pallet do not interfere, and damage and deformation of the protrusions 11b can be suppressed.

[0053] The lower edge of the fork insertion portion 13 and the upper end of the container fitting portion 6 are located at the same height (Z-axis direction). This can be said as meaning that the internal space of the fork insertion portion 13 and the internal space of the container fitting portion 6 are connected to each other. However, this height relationship is just one example. As another example, as shown in FIG. 14, when the fork insertion portion 13 and the container fitting portion 6 are positioned so that they do not overlap vertically, the lower edge 13a of the fork insertion portion 13 may be located higher (on the positive side of the Z-axis) than the upper end 6a of the container fitting portion 6. FIG. 15 shows a partial perspective view of a pallet 2' having the height relationship of FIG. 14.

[0054] As a modified example, the placement portion 11 of the pallet 2 may be provided with a protrusion that matches the shape of the underside of the container 3 (the leg portion 31 or the fitting portion 33 in FIG. 1) assuming that the container 3 will be placed on the placement portion 11. This makes it possible to load the pallet 2 and the container 3 together when the pallet 2 and the container 3 are not in use.

[0055] In the above embodiment, the perimeter of the pallet 2 and the perimeter of the container 3 are configured to coincide on all four sides. However, this is not limited to this. In another embodiment, for example, only one pair of perimeters may be made to coincide, and the configuration of the above embodiment may be adopted for the coincident perimeters.

[0056] 〔summary〕 A pallet 2 according to a first aspect of the present invention is a pallet 2 having a rectangular shape in a plan view, and including a loading section 11 on which cargo can be placed, a plurality of beams 12 extending downward from the loading section 11, and fork insertion sections 13 formed between the beams 12 into which forks of a lifting means can be inserted. At least a portion of the lower surface 5 of the pallet 2 can abut against an upper surface 35a of a side wall section 35 of a container 3, and the abutment allows the pallet 2 to move freely within the container. The pallet 2 is stacked on the container 3, and the lower surface 5 is provided with a container fitting portion 6 that can accept the protrusions 32 (central protrusion 321, corner protrusions 322a, 322b) protruding from the upper surface 35a of the side wall portion 35 of the container 3, and is equipped with a protrusion 11b that protrudes upward from the outer edge 11a of the placement portion 11, and when the pallet 2 is stacked on the container 3, the inner surface 11ba of the protrusion 11b is positioned outward from the inner surface 35b of the side wall portion 35 of the container 3.

[0057] According to the configuration of the first aspect, the pallet 2 is provided with a container fitting portion 6 that can receive the convex portions 32 (central convex portion 321, corner convex portions 322a, 322b) of the container 3, so that the pallet 2 can be stacked well on the container 3. Furthermore, the protrusion 11b that protrudes from the outer periphery 11a of the loading portion 11 prevents the cargo 1 (FIG. 1) from falling off, and the inner surface 11ba of the protrusion 11b is located outward from the inner surface 35b of the side wall portion 35 of the container 3, so that a large area can be secured for loading the cargo 1.

[0058] A pallet 2 according to aspect 2 of the present invention may be configured such that, in aspect 1, the outer edge 5a of the lower surface 5 of the pallet 2 is located inward from the protrusion 11b, and is located outward from the inner surface 35b of the side wall portion 35 of the container 3 when the pallet 2 is stacked in the container 3.

[0059] According to the configuration of the second aspect, the outer perimeter 5a of the lower surface 5 is located inward from the protrusion 11b, which allows the pallets 2 to be stacked well. In addition, the outer perimeter 5a of the lower surface 5 is located outward from the inner surface 35b of the side wall 35 of the container 3, which allows the pallets 2 to be stacked on the upper surface 35a of the side wall 35 of the container 3.

[0060] A pallet 2 according to aspect 3 of the present invention may be configured such that, in aspect 1 or 2, the outer edge 5a of the lower surface 5 of the pallet 2 is provided with extension portions 7 (central extension portion 71, corner extension portions 70) in which a portion of the outer edge 5a extends outward, and when the pallet 2 is stacked in the container 3, the extension portions 7 (central extension portion 71, corner extension portions 70) abut against the upper surface 35a of the side wall portion 35 of the container 3 or the surface of the convex portions 32 (central convex portion 321, corner convex portions 322a, 322b) on the upper surface 35a, and the protrusion portion 11b is provided with a cutout portion 11c above the range in which the extension portion 7 is provided.

[0061] According to the configuration of the third aspect, the extensions 7 (central extension 71, corner extensions 70) provide stable stacking of the containers 3. Furthermore, the cutouts 11c are provided in the protrusions 11b, so the extensions 7 do not interfere with each other when stacking the pallets 2, and the stacking height is also reduced.

[0062] A pallet according to aspect 4 of the present invention may be configured such that, in any of aspects 1 to 3, the convex portion 32 of the container 3 has a central convex portion 321 provided in the center of the outer periphery of the container 3, the extension portion 7 has a central extension portion 71 provided at a position corresponding to the central convex portion 321, and the central extension portion 71 has an outer facing portion 72 provided so as to face the central convex portion 321 from the outside.

[0063] According to the configuration of the fourth aspect, there is a portion facing the central protrusion 321 from the outside, so that when the pallets 2 are stacked on the container 3, the side wall portions 35 can be prevented from deforming outward.

[0064] A pallet according to aspect 5 of the present invention may be configured such that, in any of aspects 1 to 4, the pallet 2 has a lower deck 15 formed by the lower ends of each of the girder sections 12 and a connecting section 14 connecting the lower ends of the girder sections 12, the lower surface 5 of the lower deck 15 is the lower surface 5 of the pallet 2, the fork insertion section 13 is above the connecting section 14, and the container fitting section 6 is located below the lower edge of the fork insertion section 13.

[0065] According to the configuration of the fifth aspect, even if the convex portion 32 is positioned so as to overlap with the fork insertion portion 13, the container fitting portion 6 is positioned below the lower edge of the fork insertion portion 13, so that the fork of the lifting means does not interfere with the convex portion 32, and damage and deformation of the convex portion 32 can be suppressed.

[0066] A pallet according to aspect 6 of the present invention may be configured such that, in any of aspects 1 to 5, when the pallet 2 is stacked on the container 3, the container fitting portion 6 has a horizontal opposing portion 65 that faces the convex portion 32 in a direction along the outer edge 5a of the lower surface 5, and an inner opposing portion 63 that faces the convex portion 32 from the inside.

[0067] According to the configuration of the sixth aspect, it is possible to prevent rattling in the horizontal direction by the horizontally facing portion 65. Furthermore, it is possible to prevent the side wall portion 35 from deforming inward by the inward facing portion 63.

[0068] The combination unit of aspect 7 of the present invention combines a pallet 2 of any of aspects 1 to 6 with a container 3 on which the pallet 2 can be stacked, the container having side wall portions 35 and a bottom wall portion 37, and capable of storing cargo in the space surrounded by the side wall portions 35 and the bottom wall portion 37.

[0069] According to the configuration of the seventh aspect, since the pallets 2 can be stacked on top of the containers 3, not only the containers 3 but also the pallets 2 can be used to transport cargo.

[0070] [Additional Notes] The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. Embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention. [Explanation of symbols]

[0071] 1. Luggage 2 palettes 3 containers 4 Lid 5 Bottom side 5a (bottom) perimeter 6 Container fitting part 6a top end 7 Extension 11 Placement section 11a (the outer periphery of the mounting part) 11b Protrusion 11ba (protrusion) inner surface 11c Cutout 12 digits 13 Fork insertion part 13a bottom edge 14 Liaison Department 15 Lower deck 32 Convex part 35 Side wall 35a (side wall) top surface 35b (side wall) inner surface 37 Bottom wall 50 combination units 63 Inner facing part 65 Horizontally opposed section 70 Corner extension (extension) 71 Central extension part (extension part) 72 Outer facing part 74 Top 321 Central convex part (convex part) 321a (Central convex part) top surface 322a, 322b Corner convex part (convex part)

Claims

1. A loading section that is rectangular in plan view and on which luggage can be placed; A plurality of beams extending downward from the mounting portion; a fork insertion portion formed between the beam portions and into which a fork of a lift means can be inserted; A pallet comprising: The lower surface of the pallet can abut against the upper surface of the side wall of the container in at least a portion thereof, and the pallet is stacked on the container by the abutment; a container fitting portion that can receive a protrusion that protrudes from an upper surface of the side wall portion of the container is provided on the lower surface; a protrusion protruding upward from the outer periphery of the mounting portion, When the pallet is stacked in the container, the inner surface of the protrusion is positioned outward from the inner surface of the side wall of the container. palette.

2. an outer periphery of the lower surface of the pallet is located inward from the protrusion and outward from the inner surface of the side wall of the container when the pallet is stacked in the container; 10. The pallet of claim 1.

3. The perimeter of the lower surface of the pallet includes an extension portion in which a part of the perimeter extends outward, When the pallet is stacked on the container, the extension portion abuts against the upper surface of the side wall portion of the container or the surface of the convex portion on the upper surface, The protrusion has a notch provided above the range in which the extension is provided.

10. The pallet of claim 1.

4. The convex portion of the container includes a central convex portion provided at the center of the outer periphery of the container, the extension portion includes a central extension portion provided at a position corresponding to the central protrusion, The central extension portion includes an outer facing portion provided to face the central protrusion portion from the outside.

4. The pallet of claim 3.

5. The pallet includes a lower deck formed by lower ends of the beams and connecting portions connecting the lower ends of the beams, the lower surface of the lower deck is the lower surface of the pallet; The fork insertion portion is located above the connecting portion, The container fitting portion is provided below the lower side of the fork insertion portion.

10. The pallet of claim 1.

6. When the pallet is stacked on the container, the container fitting portion includes a horizontally facing portion that faces the convex portion in a direction along the outer periphery of the lower surface, and an inner facing portion that faces the convex portion from the inside.

10. The pallet of claim 1.

7. A pallet according to any one of claims 1 to 6; The container on which the pallet can be stacked has the side wall portion and a bottom wall portion, and is capable of accommodating cargo in a space portion surrounded by the side wall portion and the bottom wall portion; A combination unit that combines the above.

Citation Information

Patent Citations

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