JP2022041016A - Pallet - Google Patents

Abstract

To provide a foamed resin-made pallet which can be compactly housed when not in use, and can be produced regardless of a large-size mold.SOLUTION: A pallet 1, in which a lengthy cylindrical conveyed object is placed sideways, comprises a pallet main body 2 which is long rectangular and tabular in a plan view, a support member 3 which is formed so as to support the cylinder side surface of the conveyed object on the top surface 21 of the pallet main body 2, and a plurality of leg bodies 4 prepared in the lower surface 22 of the pallet main body 2. A pair of the pallet main bodies 2 having the same shape are connected at those long sides. The conveyed object is placed so as to straddle the pair of connected pallet main bodies 2.SELECTED DRAWING: Figure 1

Description

The present invention relates to a pallet made of foamed resin such as Styrofoam, which is used for transporting cargo using a forklift.

Conventionally, various pallets have been widely used as a loading platform for transporting cargo by a forklift or the like. As general pallets, those made of wood, plastic, metal (iron alloy) or paper are known. However, the most common wooden pallets weigh more than 10 kg, and paper pallets are also densely compressed to ensure shape stability and are quite heavy. Therefore, as a pallet that is even lighter than a paper pallet, there is a foamed resin pallet (see Patent Document 1).

Further, as a pallet used for a roll-shaped or coil-shaped long cylindrical conveyed object, a pallet in which members are provided at both ends of the upper surface of the pallet in order to prevent the conveyed object from rolling and falling from the pallet. It is known (see, for example, Patent Document 2).

Japanese Patent Application Laid-Open No. 2003-72754 Japanese Unexamined Patent Publication No. 5-193654

However, although foamed resin pallets are lighter than wooden pallets, they are usually large transportation members with a side length of more than 1 m, and are extremely bulky when not in use, providing a large storage space, etc. I need.

In addition, when manufacturing a foamed resin pallet, it is necessary to prepare a large dedicated mold. Therefore, if it is a simple shape with high versatility, the number of production will increase, so it is meaningful to prepare a large mold, but a transport object with a specific shape such as the above-mentioned long cylindrical transport object. In the case of the pallets used for the above, a large number of production is not expected, and if a large mold is prepared, the production cost may increase.

The present invention has been made in view of the above problems, and is a foamed resin pallet on which a long cylindrical conveyed object is placed sideways, which can be compactly stored when not in use, and is a large mold. It is an object of the present invention to provide a pallet made of foamed resin that can be produced regardless of the above.

In order to solve the above problems, the present invention is a foamed resin pallet on which a long cylindrical conveyed object is placed sideways, and has a rectangular plate-shaped pallet body in a plan view and the pallet. A pair of the pallet bodies having the same shape are provided with a support member formed on the upper surface of the main body to support the cylindrical side surface of the transported object and a plurality of legs provided on the lower surface of the pallet body. It is characterized in that the conveyed objects are placed so as to straddle the pair of pallet bodies connected by long sides.

In the pallet, it is preferable that a pair of the support members are provided along the longitudinal direction of the pallet body, and two conveyed objects are placed in a state where the pair of pallet bodies are connected.

In the pallet, the support member has convex portions 30 forming both edges of an arc surface along the cylindrical side surface of the conveyed object, and the legs and the convex portions 30 are upper and lower surfaces of the pallet body. It is preferable that the convex portions 30 fit between the legs when a plurality of the pallet bodies are laminated.

In the pallet, the legs preferably have a concave arcuate surface along the cylindrical side surface of the conveyed object.

In the pallet, the pallet main body has a joint convex portion protruding toward the other pallet main body to be connected, and a joint concave portion into which the other joint convex portion is inserted, and the joint convex portion and the joint convex portion. It is preferable that the joining recesses are provided alternately along the longitudinal direction of the pallet body.

In the pallet, it is preferable that the upper surface of the joint convex portion is formed so as to be stepped down from the upper surface of the pallet main body, and the pair of pallet main bodies are in contact with the lower surface of the joint concave portion in a connected state.

According to the pallet according to the present invention, since it is configured by connecting two pallet bodies, it can be stored compactly by being separated when not in use (before use). In addition, since the two pallet bodies have the same shape, they can be molded with one mold, and it is sufficient to prepare a mold that is half the size of the one pallet, and it can be produced regardless of the large mold. Can be done.

(A) is an exploded perspective view mainly of the upper surface of the pallet according to the embodiment of the present invention, (b) is a perspective view mainly of the upper surface of the pallet, and (c) is mainly the lower surface of the pallet. Perspective view. (A) is a plan view of the pallet used for the pallet, (b) is a bottom view, and (c) is a right side view. (A) is a plan view of the pallet body used for the pallet, (b) is a side view, and (c) is a sectional view on the AA line side of (a). (A) is a bottom view of the pallet body, (b) is a sectional view on the BB line side of (a), (c) is a right side view, and (d) is a left side view. (A) is a perspective view showing a usage state of the pallet, and (b) is a front view. (A) is a perspective view showing a usage state in which a plurality of the above pallets are stacked, and (b) is a front view. (A) is a perspective view showing a state in which a plurality of the pallets are stacked and stored when not in use, (b) is a right side view, and (c) is a front view.

A pallet according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 (a) to 1 (c) and FIGS. 2 (a) to 2 (c), the pallet 1 of the present embodiment is suitable for managing and transporting cargo using a forklift or the like at a distribution site or the like. It is what is used. In the following description, the left front side surface of the pallet 1 shown in FIG. 1A is the front surface, and the right front side surface of the pallet 1 is the right side surface.

The pallet 1 is a device on which a long cylindrical conveyed object (see FIG. 5 described later) is placed sideways, and is placed on a rectangular plate-shaped pallet body 2 in a plan view and on the upper surface of the pallet body 2. It includes a support member 3 formed to support the cylindrical side surface of the transported object, and a plurality of legs 4 provided on the lower surface of the pallet body 2.

In the present embodiment, a pair of pallet bodies 2 having the same shape are connected by their long sides, and a transported object is placed so as to straddle the pair of connected pallet bodies 2. Further, the pallet 1 is a rectangular shape in which one side is longer than the other side, the longitudinal side is composed of two sides of the pallet body 2, and the short side is composed of the side of one pallet body 2. For example, the length of the long side of the pallet 1 is 1600 mm, and the length of the short side is 1160 mm.

The pallet body 2, the support member 3, and the leg body 4 are integrally molded. The material constituting these is, for example, a foamed synthetic resin such as a polyolefin resin such as polystyrene, polyethylene, or polypropylene, and in this embodiment, expanded polystyrene (EPS (expanded polystyrene)) is used. The pallet body 2, the support member 3, and the leg 4 may be configured as separate bodies, different materials may be used from each other, or the same type of foamed resin having a different foaming ratio may be used. good.

As shown in FIGS. 3 (a) to 3 (c) and FIGS. 4 (a) to 4 (c), the pallet body 2 has a rectangular rectangular shape in a plan view, and the short side forms half of the long side of the pallet 1. Then, the long side forms the short side of the pallet 1. Of the two long sides, the corner portion formed by the long side and the short side on the connecting side with the other pallet body 2 is formed at a right angle. Further, the corner portion formed by the other long side and the short side is chamfered so as to be rounded, and the chamfered corner portion becomes the corner portion of the pallet 1. The upper surface 21 of the pallet body 2 is a flat surface except for the support member 3. The lower surface 22 of the pallet body 2 is a flat surface except for the leg body 4, and serves as a portion for receiving the fork of the forklift. The thickness of the upper surface 21 to the lower surface 22 of the pallet body 2 is, for example, 40 mm.

A pair of support members 3 are provided along the longitudinal direction of the pallet main body 2, and two conveyed objects are placed in a state where the pair of pallet main bodies 2 are connected. Further, the support member 3 has convex portions 30 forming both edges of an arcuate surface along the cylindrical side surface of the conveyed object. The convex portion 30 has a pair of outer edge convex portions 31 arranged on both edges in the longitudinal direction of the pallet body 2, and a central convex portion 32 arranged in the middle of the pair of outer edge convex portions 31.

The outer edge convex portion 31 has a substantially right-angled trapezoidal shape with one hypotenuse when viewed from the front, and the hypotenuse arranged inside is a gently concave arc surface 31a (see FIG. 3B). .. The upper bottom 31b of the outer edge convex portion 31 is a flat surface horizontal to the upper surface 21 of the pallet body 2, and the lightening recess 31c is formed in the upper bottom 31b. Further, the ridges of the arcuate surface 31a and the upper bottom 31b are R-processed so as to be gently rounded.

The central convex portion 32 has an isosceles trapezoidal shape having two hypotenuses when viewed from the front, and the hypotenuses arranged on the outside form a gently concave arc surface 32a. The upper bottom 32b of the central convex portion 32 is a flat surface horizontal to the upper surface 21 of the pallet body 2, and the lightening recess 32c is formed in the upper bottom 32b. Further, the ridges of the arcuate surface 32a and the upper bottom 32b are each subjected to R processing so as to be gently rounded.

The arcuate surfaces 31a and 32a of the outer edge convex portion 31 and the central convex portion 32 are formed in an arc of R280 so as to fit, for example, a long cylindrical conveyed object having a diameter of 580. Since the ridges of the arcuate surfaces 31a and 32a and the upper bottoms 31b and 32b are R-processed, the arcuate surfaces 31a and 32a can be applied to a conveyed object having a diameter larger than that of φ580 (for example, φ620). can.

The ridges of the arcuate surfaces 31a and 32a and the upper surface 21 of the pallet body 2 are not smoothly continuous and have a predetermined step, and the upper surface 21 of the pallet body 2 becomes a recess 33 with respect to the arcuate surfaces 31a and 32a. ing. Therefore, the arc surface of the conveyed object is partially fitted in the recess 33, and the conveyed object is stably placed. It can also be applied to a transported object having a diameter smaller than φ580 (for example, φ560). Further, since the lower surface 22 of the pallet body 2 into which the fork is inserted is directly below the recess 33, the load of the conveyed object is appropriately applied to the fork.

Six legs 4 are provided for one pallet body 2 (see FIG. 4A). The leg body 4 has two pairs of outer edge legs 41 and 42 arranged on both edges in the longitudinal direction of the pallet body 2, and a central leg portion 43 arranged between these two pairs of outer edge legs 41 and 42, respectively. , 44 and. The outer edge leg 41 and the center leg 43 are arranged so as to line up on the long side of the connecting side of the pallet body 2 and are integrated with the outer edge leg 41 and the center leg 43 of the other connected pallet body 2. Then, each of them has one leg body 4. Further, the outer edge leg portion 42 and the central leg portion 44 are arranged so as to be aligned with the other long side of the pallet body 2 (see FIG. 1 (c)), and each independently becomes one leg body 4.

The outer edge leg portion 42 (41) has a substantially right-angled trapezoidal shape with one hypotenuse when viewed from the front, and the hypotenuse arranged inside is an arc surface 42a (41a) gently concave upward (FIG. 4 (b)). The upper bottoms 41b and 42b of the outer edge legs 41 and 42 are flat surfaces horizontal to the lower surface 22 of the pallet body 2. The arcuate surfaces 41a and 42a are formed with lightening recesses 41c and 42c. The pair of outer edge legs 42 separated from the connecting side has a symmetrical shape, but one of the pair of central legs 43 along the connecting surface is smaller than the other.

The central legs 43 and 44 have an isosceles trapezoidal shape with two hypotenuses when viewed from the front, and the hypotenuses arranged on the outside are arcuate surfaces 34a and 44a gently concave upward. The upper bottoms 43b and 44b of the central legs 43 and 44 are flat surfaces horizontal to the lower surface 22 of the pallet body 2, and the upper bottoms 43b and 44b are formed with lightening recesses 43c and 44c. The central leg 44 away from the connecting side is box-shaped, and the lightening recess 44c is also a square hole, but the central leg 43 along the connecting side is L-shaped when viewed from the bottom, and the lightening recess 43c is also L. It is a character shape.

The legs 4 (outer edge legs 41, 42 and central legs 43, 44) and the convex portions 30 (outer edge convex portions 31 and central convex portions 32) are staggered on the upper surface 21 and the lower surface 22 of the pallet body 2. When a plurality of pallet bodies 2 are laminated, the convex portion 30 is configured to fit between the legs 4.

Further, the pallet main body 2 has a joint convex portion 5 protruding toward the other pallet main body 2 to be connected, and a joint concave portion 6 into which the other joint convex portion 5 is inserted. The joint convex portions 5 and the joint concave portions 6 are provided alternately along the longitudinal direction forming the connecting side of the pallet body 2. That is, when the joint convex portion 5 and the joint concave portion 6 are fitted in a key shape, the pair of pallet bodies 2 to be connected are less likely to be laterally displaced, and the pallet 1 is stabilized.

The upper surface 51 of the joint convex portion 5 is formed so as to be stepped down from the upper surface 21 of the pallet body 2 (see FIG. 4D), and the lower surface 61 of the joint recess 6 is connected to the pair of pallet main bodies 2. Contact with. The upper surface 51 and the lower surface 61 that are in contact with each other are adhered to each other by an adhesive, so that the pair of pallet bodies 2 are fixed in a connected state. Since the adhesive surface is provided on a horizontal surface in this way, it is possible to counter the stress of dividing the two pallet bodies 2 into left and right.

As described above, according to the pallet 1 of the present embodiment, since the two pallet bodies 2 are connected to each other, they can be stored compactly by being separated when not in use (before use). .. In addition, since the two pallet bodies 2 have the same shape, they can be molded with one mold, and it is sufficient to prepare a mold that is half the size of the one pallet, and it can be produced regardless of the large mold. be able to.

As shown in FIGS. 5A and 5B, the pallet 1 configured as described above can carry two conveyed objects P. At this time, since the conveyed object P is supported by the support member 3, the conveyed object P can be stably moved or the like without the conveyed object P falling. Further, when the two forks are inserted from the front direction, the same one pallet body 2 straddles both forks, so that the pallet 1 is not divided even when the forks are pushed up. On the other hand, when two forks are inserted from the side surface direction, another two pallet bodies 2 straddle both forks, so that when the forks are pushed up, the stress that divides the connected pallet bodies 2 is stressed. However, since the conveyed object P straddles the connected pallet body 2, the conveyed object P evenly applies a load to the two forks to prevent the connected pallet body 2 from being divided. be able to.

Since the legs 4 are provided with arcuate surfaces 42a (42a) and 44a (43a), the pallet 1 and the conveyed object P can be further loaded on the conveyed object P, and FIGS. As shown in b), if the transported object P is sturdy, the pallet 1 and the transported object P can be stacked in three stages. Further, since the pallet 1 is made of foamed resin, it is lightweight and has appropriate flexibility, so that the conveyed object P is less likely to be damaged as compared with a wooden or plastic pallet, and is suitable for the illustrated multi-tier stacking.

Further, since the pallet 1 is configured so that the convex portion 30 fits between the legs 4, as shown in FIGS. 7A to 7C, the height when the pallet 1 is loaded when not in use. Can be suppressed and can be stored compactly.

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made without changing the gist of the invention. Further, in the above embodiment, an example in which the structure of the pallet 1 is applied to the transportation of luggage by a forklift has been described, but it is not excluded that the structure is also applied to other structures made of foamed synthetic resin.

1 Pallet 2 Pallet body 21 Top surface 22 Bottom surface 3 Support member 30 Convex part 4 Leg body 41a, 42a, 43a, 44a Arc surface 5 Joint convex part 6 Joint concave part P Transport

Claims (6)

A pallet made of foamed resin on which a long cylindrical conveyed object is placed sideways.
A rectangular plate-shaped pallet body in a plan view, a support member formed on the upper surface of the pallet body to support the cylindrical side surface of the transported object, and a plurality of legs provided on the lower surface of the pallet body. And, with
A pallet characterized in that a pair of pallet bodies having the same shape are connected by their long sides, and a conveyed object is placed so as to straddle the pair of pallet bodies connected. A pair of the support members are provided along the longitudinal direction of the pallet body.
The pallet according to claim 1, wherein two conveyed objects are placed in a state where the pair of pallet bodies are connected to each other. The support member has convex portions 30 forming both edges of an arcuate surface along the cylindrical side surface of the conveyed object.
The legs and the convex portions 30 are arranged so as to be staggered on the upper and lower surfaces of the pallet body.
The pallet according to claim 1 or 2, wherein when the plurality of the pallet bodies are laminated, the convex portion 30 fits between the legs. The pallet according to any one of claims 1 to 3, wherein the leg body has a concave arcuate surface along the side surface of a cylinder of a conveyed object. The pallet body has a joint convex portion that protrudes toward the other pallet body to be connected, and a joint concave portion into which the other joint convex portion is inserted.
The pallet according to any one of claims 1 to 4, wherein the joint convex portions and the joint concave portions are provided alternately along the longitudinal direction of the pallet body. The fifth aspect of the present invention is characterized in that the upper surface of the joint convex portion is formed so as to be stepped down from the upper surface of the pallet body, and the pair of pallet bodies are in contact with the lower surface of the joint recess in a connected state. The described pallet.

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