JP2021160817A - Sheet-shaped tray - Google Patents

Abstract

To provide a sheet-shaped tray capable of suppressing scratches from occurring on a vehicular wheel on the uppermost stage due to contacting, without deteriorating workability and complicating management and the like.SOLUTION: A sheet-shaped tray Tr1 used in a wheel carrying unit 1 is equipped with a disc-shaped placing portion 31 on which a back side rim flange 412 of a vehicular wheel 4 is placed, and an inner peripheral projecting portion 32 that projects upward in a disc-shape on the inside of the placing portion 31 and supports a pallet 2. The inner peripheral projecting portion 32 has an upper wall portion 321 on which the pallet 2 is placed and a rising portion 322. The rising portion 322 has a first inclined surface 3221 inclining in a direction expanding downward in a cross-sectional view, and a second inclined surface 3222 that ranges to a lower end of the first inclined surface 3221 and ranges to the placing portion 31 inclining in a direction further expanding from the first inclined surface 3221.SELECTED DRAWING: Figure 4

Description

The present invention relates to a sheet-shaped tray (transport tray) used in a wheel transport unit.

Conventionally, as a wheel transport unit used for transporting and storing vehicle wheels, a sheet-shaped tray on which vehicle wheels are mounted is placed on a pallet in multiple layers, and a sheet-shaped tray is placed on the uppermost vehicle wheel. A pallet on which a plurality of sheet-shaped trays on which vehicle wheels are mounted can be placed on top of the sheet-shaped tray is adopted (for example, Patent Document 1 and the like). reference).

Japanese Unexamined Patent Publication No. 2016-169306

FIG. 9 is a diagram conceptually showing the problems of the conventional wheel transport unit 1'.

FIG. 9 shows a part of the conventional wheel transport unit 1'centering on the upper pallet. Reference numeral 4 indicates a vehicle wheel, and the vehicle wheel 4 is placed on the sheet-shaped tray Tr'with the front side of the disc portion, which is the design surface 4A, facing upward and vertically through the rim 41. ing. Further, the uppermost vehicle wheel 4 (which is the lower vehicle wheel in FIG. 9 and may be distinguished as the vehicle wheel 4'in the following description and drawing) is covered with the sheet-shaped tray Tr'. Above the sheet-shaped tray Tr', a pallet 2 on which the sheet-shaped tray Tr'on which the vehicle wheel 4 is mounted is stacked in a plurality of stages (only the lowermost stage is shown in FIG. 9) is placed. ..

As shown by enlarging the F portion surrounded by a circle to the right, the sheet-shaped tray Tr'is from the mounting portion 31'on which the back side rim flange 412 of the vehicle wheel 4 is mounted and the mounting portion 31'. It is provided with an inner peripheral convex portion 32'that protrudes upward and avoids interference with the design surface 4A of the uppermost vehicle wheel 4'. The inner peripheral convex portion 32'has an upper wall portion 321' on which the pallet 2 is placed, and a rising portion 322' that rises from the mounting portion 31'and is connected to the upper wall portion 321'.

In such a conventional wheel transport unit 1', when a load is applied from the pallet 2 to the sheet-shaped tray Tr', the uppermost vehicle wheel 4'has a rising portion 322'and a mounting portion 31'. A concentrated load is applied to the portion Sc (the portion inside the rim outer circumference of the vehicle wheel 4 to the inside of a predetermined dimension) where the connecting portion abuts, and scratches due to the contact are likely to occur.

Further, the pallet 2 is formed with a fork insertion portion 2A into which a fork of a hand lift or a forklift can be inserted. Therefore, an eccentric load is applied from the pallet 2 to the sheet-shaped tray Tr', and the non-rigid sheet-shaped tray Tr'may not be able to withstand the bending mode and may be deformed. This may also cause scratches on the location Sc due to contact.

Here, the number of vehicle wheels 4 mounted on the upper pallet 2 may be reduced, or the vehicle wheels 4 mounted on the upper pallet 2 may be made a lightweight type to reduce the load applied from the pallet 2 to the sheet tray Tr'. Countermeasures can be considered, but they are not preferable because workability deteriorates and combination management becomes complicated.

In view of the above circumstances, the present invention provides a sheet-shaped tray capable of suppressing the occurrence of scratches due to contact on the uppermost vehicle wheel without deteriorating workability and complicated management. The purpose.

In the first sheet-shaped tray of the present invention that solves the above object, a plurality of sheet-shaped trays on which vehicle wheels are placed are stacked on the pallet with the front side of the disc portion as the design surface facing up, and the uppermost stage. Used for a wheel transport unit in which a sheet-shaped tray is placed on a vehicle wheel of the vehicle, and a pallet on which a sheet-shaped tray on which a vehicle wheel is placed is placed in a stack of a plurality of layers is placed above the sheet-shaped tray. In the sheet-shaped tray
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is connected to a first inclined surface inclined downward in a cross-sectional view on the inner peripheral surface thereof and a lower end of the first inclined surface, and is further expanded than the first inclined surface. It is characterized in that it has a second inclined surface which is inclined to and connected to the above-described mounting portion.

According to the first sheet-shaped tray of the present invention, since the rising portion has the first inclined surface and the second inclined surface on the inner peripheral surface thereof, the second inclined surface and the said portion. The concentrated load on the portion where the connecting portion with the mounting portion abuts on the vehicle wheel is alleviated, and the occurrence of scratches due to the contact can be suppressed.

Further, in the second sheet-shaped tray of the present invention that solves the above object, a plurality of sheet-shaped trays on which vehicle wheels are placed are placed on a pallet with the front side of the disc portion serving as the design surface facing upward. A wheel transport unit in which a sheet-shaped tray is placed on the uppermost vehicle wheel, and a pallet on which multiple sheet-shaped trays on which vehicle wheels are mounted is placed above the sheet-shaped tray. In the sheet-shaped tray used
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is characterized in that its inner peripheral surface is continuous with the above-described mounting portion from the upper wall portion via two curved surfaces in a cross-sectional view.

According to the second sheet-shaped tray of the present invention, the inner peripheral surface of the rising portion is connected to the previously described placing portion from the upper wall portion via two curved surfaces in a cross-sectional view. The concentrated load on the portion where the connecting portion between the inner peripheral surface of the rising portion and the mounting portion abuts on the vehicle wheel is alleviated, and the occurrence of scratches due to contact can be suppressed.

Further, in the third sheet-shaped tray of the present invention that solves the above object, a plurality of sheet-shaped trays on which vehicle wheels are placed are placed on a pallet with the front side of the disc portion serving as the design surface facing upward. A wheel transport unit in which a sheet-shaped tray is placed on the uppermost vehicle wheel, and a pallet on which multiple sheet-shaped trays on which vehicle wheels are mounted is placed above the sheet-shaped tray. In the sheet-shaped tray used
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has an upper wall portion on which the pallet is placed and a rising portion that rises from the previously described mounting portion and is connected to the upper wall portion, and is located at a boundary portion between the upper wall portion and the rising portion. Is characterized by having a concave portion recessed toward the center side of the inner peripheral convex portion in a plan view.

Here, it is preferable that a plurality of the concave portions are provided at predetermined intervals in the circumferential direction of the inner peripheral convex portion.

According to the third sheet-shaped tray of the present invention, since the inner peripheral convex portion has the concave portion, the moment of inertia of area of the inner peripheral convex portion is increased and the rigidity is improved. As a result, the sheet-shaped tray is less likely to be deformed, and it is possible to suppress the occurrence of scratches due to contact due to the deformation of the sheet-shaped tray.

In the first to third sheet-shaped trays, the front-side rim flange of the vehicle wheel located below abuts on the back surface of the above-mentioned placing portion, and the front rim flange is located above the front rim flange. It is preferable that the vehicle is sandwiched between the rim flange on the back side of the vehicle wheel.

According to the first to third sheet-shaped trays of the present invention, it is possible to suppress the occurrence of scratches due to contact on the uppermost vehicle wheel without deteriorating workability and complicated management. It becomes possible to provide a sheet-shaped tray.

It is a figure which conceptually shows an example of the wheel transport unit which applied the sheet-like tray of 1st Embodiment in this invention. It is a perspective view of the sheet-shaped tray shown in FIG. It is a top view of the sheet-shaped tray shown in FIG. (A) is a cross-sectional view taken along the line CC of the sheet-shaped tray shown in FIG. 3, and shows a portion of the wheel transport unit shown in FIG. 1 corresponding to a portion A surrounded by a circle. (B) is an enlarged view showing the part D surrounded by the square in (a). FIG. 3 is a cross-sectional view taken along the line CC of the sheet-shaped tray shown in FIG. 3, showing a portion of the wheel transport unit shown in FIG. 1 corresponding to a portion B surrounded by a circle. It is a perspective view of the sheet-shaped tray of the 2nd Embodiment. It is a top view of the sheet-shaped tray of the 2nd Embodiment. FIG. 7 is a cross-sectional view taken along the line EE of the sheet-shaped tray of the second embodiment shown in FIG. 7, and is a view corresponding to FIG. 4 (a) of the sheet-shaped tray of the first embodiment. It is a figure which conceptually shows the problem of the conventional wheel transport unit.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram conceptually showing an example of a wheel transport unit 1 to which the sheet-shaped tray Tr1 of the first embodiment of the present invention is applied.

As shown in FIG. 1, in the wheel transport unit 1, a plurality of sheet-shaped trays Tr1 on which a vehicle wheel 4 is placed are stacked and placed on a lower pallet 2, and a sheet-shaped tray is placed on the uppermost vehicle wheel 4'. An upper pallet 2 on which a plurality of sheet-shaped trays Tr1 on which a vehicle wheel 4 is placed is placed on top of the Tr1 is placed. Each vehicle wheel 4 has a direction in which the rim 41 penetrates vertically, and the back side rim flange 412 of the vehicle wheel 4 is placed on the sheet-shaped tray Tr1 with the front side of the disc portion serving as the design surface 4A facing upward. Has been done. A fork insertion portion 2A is formed on each pallet 2.

In the present embodiment, since the sheet-shaped tray Tr1 is adopted, as will be described in detail later, even if four stages of the same type of vehicle wheel 4 are mounted on each of the lower pallet 2 and the upper pallet 2. It is possible to suppress the occurrence of scratches due to contact with the uppermost vehicle wheel 4'. Therefore, the load applied to the sheet-shaped tray Tr1 from the upper pallet 2 is such that the vehicle wheels 4 are placed in two stages on the upper pallet 2 and the vehicle wheels 4 are placed in six stages on the lower pallet 2. It is possible to avoid the deterioration of workability as in the case of reducing the size. Further, it is possible to avoid complicated management of combinations as in the case of mounting the lightweight type vehicle wheel 4 on the upper pallet 2.

FIG. 2 is a perspective view of the sheet-shaped tray shown in FIG. 1, and FIG. 3 is a plan view of the sheet-shaped tray shown in FIG. The sheet-shaped tray Tr1 of the present embodiment is made of a resin material (for example, high-strength polyethylene) and is integrally formed as a whole by vacuum forming.

As shown in FIGS. 2 and 3, the sheet-shaped tray Tr1 includes a rectangular base 30 in a plan view and a plurality of (four in the present embodiment) inner peripheral convex portions 32 protruding upward in a disk shape. .. That is, the sheet-shaped tray Tr1 of the present embodiment is of a type in which four vehicle wheels 4 are mounted, but the number of vehicle wheels 4 (inner peripheral convex portions 32) on which the four vehicle wheels 4 are mounted is not limited. ..

An annular mounting portion 31 on which the back side rim flange 412 (see FIG. 1) of the vehicle wheel 4 is mounted is formed on the outer peripheral portion of each of the plurality of inner peripheral convex portions 32. That is, the inner peripheral convex portion 32 projects upward in a disk shape inside the mounting portion 31. In the present embodiment, the mounting portion 31 is set at the same height as the upper surface of the base 30, but the mounting portion 31 may be formed one step lower than the upper surface of the base 30. An engaging convex portion 321a that engages with the upper pallet 2 (see FIG. 1) is formed at the central portion of the inner peripheral convex portion 32 in a plan view. Further, around the mounting portion 31, a plurality of upwardly projecting misalignment prevention convex portions 33 are formed to prevent the misalignment of the vehicle wheel 4 mounted on the mounting portion 31.

FIG. 4A is a cross-sectional view taken along the line CC of the sheet-shaped tray Tr1 shown in FIG. In addition, in FIG. 4A, the pallet 2 and the uppermost vehicle wheel 4'are shown by a single point chain line, and the part A (for the uppermost vehicle) circled in the wheel transport unit 1 shown in FIG. 1 is shown. A portion in which the wheel 4'is covered with the sheet-shaped tray Tr1 and the pallet 2 on which the sheet-shaped tray Tr1 on which the vehicle wheel 4 is mounted is placed in a plurality of stages is placed above the sheet-shaped tray Tr1. ) Corresponds to. Further, FIG. 4B is an enlarged view of a portion D surrounded by a square in FIG. 4A.

As shown in FIGS. 4A and 4B, the inner peripheral convex portion 32 includes a substantially circular upper wall portion 321 on which the pallet 2 is placed (see also FIGS. 2 and 3) and a mounting portion 31. It has a rising portion 322 that rises from the top wall portion 321 and is connected to the upper wall portion 321.

In FIG. 4A, the rising portion 322'in the conventional sheet-shaped tray Tr'shown in FIG. 9 is shown by a chain double-dashed line. The rising portion 322'of the conventional sheet-shaped tray Tr'is composed of one inclined surface whose inner peripheral surface is inclined in the direction of expanding downward in a cross-sectional view, and one from the upper wall portion 321. It is connected to the mounting portion 31 via a curved surface.

On the other hand, the rising portion 322 of the sheet-shaped tray Tr1 of the present invention has a first inclined surface 3221 inclined in a direction extending downward in a cross-sectional view on the inner peripheral surface thereof, and a lower end of the first inclined surface 3221. It has a second inclined surface 3222 which is connected to the first inclined surface 3221 and is inclined in a direction further expanding from the first inclined surface 3221 and is connected to the mounting portion 31. Further, the rising portion 322 has an inner peripheral surface connected to the mounting portion 31 from the upper wall portion 321 via two curved surfaces (first curved surface 322a and second curved surface 322b) in a cross-sectional view. That is, the first inclined surface 3221 is connected to the second inclined surface 3222 via the first curved surface 322a, and the second inclined surface 3222 is connected to the mounting portion 31 via the second curved surface 322b.

By adopting such a configuration, the connection portion (second curved surface 322b) between the second inclined surface 3222 and the mounting portion 31 becomes the uppermost vehicle wheel 4'as compared with the conventional sheet-shaped tray Tr'. The concentrated load on the contact point is alleviated, and the occurrence of scratches due to contact can be suppressed.

Although not particularly limited, the angle α1 of the first inclined surface 3221 with respect to the horizontal plane is preferably set to 75 ° to 85 °, and the angle α2 of the second inclined surface 3222 with respect to the horizontal plane is 3 ° to ~. It is preferable to set the angle as large as possible in terms of production design within the range of 25 °.

FIG. 5 is a cross-sectional view taken along the line CC of the sheet-shaped tray Tr1 shown in FIG. 3, and shows a portion corresponding to a circled portion B in the wheel transport unit 1 shown in FIG.

As shown in FIG. 5, the mounting portion 31 has the front rim flange 411 of the vehicle wheel 4 located below in contact with the back surface thereof, and the front rim flange 411 and the back rim of the vehicle wheel 4 located above. It is sandwiched between the flange 412 and the flange 412. Further, the sheet-shaped tray Tr1 is in contact with the outer peripheral portion of the front rim flange 411 of the vehicle wheel 4.

In FIG. 5, as in the conventional sheet-shaped tray Tr ″ (see FIG. 9), the rising portion 322 ″ composed of one inclined surface is shown by a two-dot chain line. If the sheet-shaped tray is configured to come into contact with the outer peripheral portion of the front rim flange 411 of the vehicle wheel 4, there arises a problem that the seat-shaped tray interferes with the upper vehicle wheel 4.

Next, a second embodiment of the sheet-shaped tray Tr1 of the first embodiment shown in FIGS. 1 to 5 will be described. In the sheet-shaped tray Tr2 of the second embodiment described below, the differences from the first embodiment shown in FIGS. 1 to 5 will be mainly described, and the configuration in the first embodiment shown in FIGS. 1 to 5 will be described. Components having the same name as the element name may be described with the reference numerals used so far, and duplicate description may be omitted.

FIG. 6 is a perspective view of the sheet-shaped tray of the second embodiment, and FIG. 7 is a plan view of the sheet-shaped tray of the second embodiment.

As shown in FIGS. 6 and 7, in the sheet-shaped tray Tr2 of the present embodiment, a concave portion recessed toward the center side of the inner peripheral convex portion 32 in a plan view at the boundary portion between the upper wall portion 321 and the rising portion 322. 323 is formed. In the present embodiment, six concave portions 323 are formed in each of the inner peripheral convex portions 32 at predetermined intervals in the circumferential direction of the inner peripheral convex portions 32, but the number thereof is not particularly limited. Five or less recesses 323 may be formed in each of the inner peripheral convex portions 32, or seven or more recesses 323 may be formed.

FIG. 8 is a sectional view taken along line EE of the sheet-shaped tray of the second embodiment shown in FIG. 7, and is a view corresponding to FIG. 4 (a) of the sheet-shaped tray of the first embodiment.

As shown in FIGS. 6 to 8, since the concave portion 323 is formed in the circumferential direction of the inner peripheral convex portion 32, the moment of inertia of area of the inner peripheral convex portion 32 is increased and the rigidity is improved. As a result, as shown in FIG. 8, the fork insertion portion 2A of the pallet 2 makes it difficult for the sheet-shaped tray Tr2 to be deformed even when an eccentric load is applied to the sheet-shaped tray Tr2, which is based on the deformation of the sheet-shaped tray Tr2. It is possible to suppress the occurrence of scratches due to contact.

The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the claims. For example, in each of the above-described embodiments, the mode in which the sheet-shaped trays Tr1 and Tr2 having the same configuration are adopted has been described, but only the sheet-shaped trays that are placed on the uppermost vehicle wheel 4'and support the pallet 2 are used. , The sheet-shaped trays Tr1 and Tr2 of the present invention may be adopted, and the conventional sheet-shaped tray Tr'may be adopted as another sheet-shaped tray. However, it is preferable to use the sheet-shaped trays Tr1 and Tr2 having the same configuration in terms of cost.

It should be noted that even if the constituent requirements are included only in the description of each of the above-described embodiments, the constituent requirements may be applied to other embodiments.

1,1'Wheel transport unit 2 Pallet 2A Fork insertion part 30 Base 31,31' Mounting part 32,32' Inner peripheral convex part 321, 321'Upper wall part 322, 322', 322'' Rising part 3221 First inclined surface 3222 Second inclined surface 322a First curved surface 322b Second curved surface 323 Recess 4 Vehicle wheel 4'Top vehicle wheel 4A Design surface 41 Rim 411 Front rim flange 412 Back rim flange Tr1, Tr2, Tr'Sheet-shaped tray

Sheet over preparative shaped tray of the present invention for solving the above object, together with placing the sheet tray and front mounting the vehicle wheel in the upper disc portion serving as a design surface on the pallet stacked plurality of stages, the uppermost Used for a wheel transport unit in which a vehicle wheel is covered with a sheet-shaped tray, and a pallet on which a sheet-shaped tray on which a vehicle wheel is mounted is placed in a stack of a plurality of layers above the sheet-shaped tray. In the sheet tray
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is connected to a first inclined surface inclined downward in a cross-sectional view on the inner peripheral surface thereof and a lower end of the first inclined surface, and is further expanded than the first inclined surface. der having a second inclined surface connected to the mounting section is inclined is,
The first inclined surface is continuous with the second inclined surface via a first curved surface that is convex toward the back side.
The second inclined surface is characterized in that it is connected to the above-described mounting portion via a second curved surface that is convex toward the back side.

According to sheet over preparative shaped tray of the present invention, the rising portion, the inner peripheral surface thereof, the order first are those having an inclined surface and the second inclined surface, the second inclined surface and the placing The concentrated load on the portion where the connecting portion with the mounting portion abuts on the vehicle wheel is alleviated, and the occurrence of scratches due to the contact can be suppressed.

In the sheet-shaped tray of the present invention, the first inclined surface has an angle of 75 ° to 85 ° with respect to a horizontal plane.
The second inclined surface preferably has an angle of 3 ° to 25 ° with respect to the horizontal plane.

Further, in the sheet-shaped tray of the present invention, the inner peripheral convex portion has a concave portion recessed toward the center side of the inner peripheral convex portion in a plan view at a boundary portion between the upper wall portion and the rising portion. Aspects are preferred.

Before Symbol inner convex portion, since those having the recess, the second moment of the inner peripheral protrusions raised rigidity is improved. As a result, the sheet-shaped tray is less likely to be deformed, and it is possible to suppress the occurrence of scratches due to contact due to the deformation of the sheet-shaped tray.

Incidentally, before carboxymethyl over preparative shaped trays, the placement section is provided at its rear surface, the front rim flange of the vehicle wheel positioned below abuts Wheel said vehicle positioned on said base rim flange and the upper It is preferable that the surface is sandwiched between the back side rim flange and the rim flange.

According to sheet over preparative shaped tray of the present invention, without reducing the workability, without troublesome also management, etc., in the wheel for top of the vehicle, a sheet tray that can suppress the generation of scratches due to contact It will be possible to provide.

It should be noted that even if the constituent requirements are included only in the description of each of the above-described embodiments, the constituent requirements may be applied to other embodiments.
The following will be added, including what has been explained so far.
(Appendix 1) For other sheet-shaped trays, the sheet-shaped trays on which the vehicle wheels are placed are stacked on the pallet with the front side of the disc part, which is the design surface, facing up, and on the top-level vehicle wheels. In the sheet-shaped tray used for a wheel transport unit in which a pallet on which a sheet-shaped tray is covered and a pallet on which a vehicle wheel is placed in a plurality of stages is placed above the sheet-shaped tray. ,
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is connected to a first inclined surface inclined downward in a cross-sectional view on the inner peripheral surface thereof and a lower end of the first inclined surface, and is further expanded than the first inclined surface. It is characterized in that it has a second inclined surface which is inclined to and connected to the above-described mounting portion.
(Appendix 2) For other sheet-shaped trays, the sheet-shaped trays on which the vehicle wheels are placed are stacked on the pallet with the front side of the disc part, which is the design surface, facing up, and on the top-level vehicle wheels. In the sheet-shaped tray used for a wheel transport unit in which a pallet on which a sheet-shaped tray is covered and a pallet on which a vehicle wheel is placed in a plurality of stages is placed above the sheet-shaped tray. ,
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is characterized in that its inner peripheral surface is continuous with the above-described mounting portion from the upper wall portion via two curved surfaces in a cross-sectional view.
(Appendix 3) For other sheet-shaped trays, the sheet-shaped trays on which the vehicle wheels are placed are stacked on the pallet with the front side of the disc part, which is the design surface, facing up, and on the top-level vehicle wheels. In the sheet-shaped tray used for a wheel transport unit in which a pallet on which a sheet-shaped tray is covered and a pallet on which a vehicle wheel is placed in a plurality of stages is placed above the sheet-shaped tray. ,
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has an upper wall portion on which the pallet is placed and a rising portion that rises from the previously described mounting portion and is connected to the upper wall portion, and is located at a boundary portion between the upper wall portion and the rising portion. Is characterized by having a concave portion recessed toward the center side of the inner peripheral convex portion in a plan view.

Claims (3)

A sheet-shaped tray on which a vehicle wheel is placed is placed on a pallet with the front side of the disc portion, which is the design surface, facing up, and the sheet-shaped tray is placed on the uppermost vehicle wheel to cover the sheet-shaped tray. In the sheet-shaped tray used for the wheel transport unit on which the pallet on which the sheet-shaped trays on which the vehicle wheels are mounted are stacked in a plurality of stages is placed above the above.
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is connected to a first inclined surface inclined downward in a cross-sectional view on the inner peripheral surface thereof and a lower end of the first inclined surface, and is further expanded than the first inclined surface. A sheet-shaped tray having a second inclined surface that is inclined to and connected to the above-described placing portion. A sheet-shaped tray on which a vehicle wheel is placed is placed on a pallet with the front side of the disc portion, which is the design surface, facing up, and the sheet-shaped tray is placed on the uppermost vehicle wheel to cover the sheet-shaped tray. In the sheet-shaped tray used for the wheel transport unit on which the pallet on which the sheet-shaped trays on which the vehicle wheels are mounted are stacked in a plurality of stages is placed above the above.
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has a substantially circular upper wall portion on which the pallet is placed, and a rising portion that rises from the above-mentioned mounting portion and is connected to the upper wall portion.
The rising portion is a sheet-shaped tray whose inner peripheral surface is continuous with the above-described mounting portion from the upper wall portion via two curved surfaces in a cross-sectional view. A sheet-shaped tray on which a vehicle wheel is placed is placed on a pallet with the front side of the disc portion, which is the design surface, facing up, and the sheet-shaped tray is placed on the uppermost vehicle wheel to cover the sheet-shaped tray. In the sheet-shaped tray used for the wheel transport unit on which the pallet on which the sheet-shaped trays on which the vehicle wheels are mounted are stacked in a plurality of stages is placed above the above.
An annular mounting portion on which the back side rim flange of the vehicle wheel is mounted, and
Inside the above-mentioned resting portion, it projects upward in a disk shape to avoid interference with the design surface of the vehicle wheel located below, and supports the pallet when it is put on the uppermost vehicle wheel. With an inner peripheral convex part,
The inner peripheral convex portion has an upper wall portion on which the pallet is placed and a rising portion that rises from the previously described mounting portion and is connected to the upper wall portion, and is located at a boundary portion between the upper wall portion and the rising portion. Is a sheet-shaped tray having a concave portion recessed toward the center side of the inner peripheral convex portion in a plan view.

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