JP2000326975A - Synthetic resin pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heighten the strength and the rigidity for corner beams and middle beams. SOLUTION: For a synthetic resin pallet P for use with one side only comprising cup-shaped corner beams 1 each formed by deforming each of four corners of a synthetic resin plate material downward, cup-shaped middle beams 2 each formed by deforming each of parts positioned at the middle between the corner beams downward and a cup-shaped center beam 3 formed by deforming a central part of the synthetic resin plate material downward, protuberant vertical ribs 1c and 2c are formed respectively at each of side walls positioned at the outside of each of the corner beams and each of the middle beams by bulging the side walls outward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin pallet used for transporting, transporting and storing articles.

[0002]

2. Description of the Related Art Conventionally, a cup-shaped corner girder is formed by a deep concave portion formed by deforming four corners of a synthetic resin plate material downward, and a portion located in the middle of the corner girder is similarly formed. A cup-shaped intermediate girder is formed by a deep recess formed by deforming downward, and a cup-shaped intermediate girder is further formed by a deep recess formed by similarly deforming a central portion of a synthetic resin plate material downward. A central girder is formed, a fork insertion hole is formed between the corner girder and the middle part, and a shallow recess is formed on a deck surface on which articles are placed. Nesting is possible when not in use. A single-sided synthetic resin pallet is known. Such a single-sided synthetic resin pallet is generally manufactured by molding a synthetic resin plate material using a vacuum molding method, a compression molding method, or the like.

[0003]

In order to increase the strength of the conventional synthetic resin pallet, a shallow concave portion is formed on the deck surface, but the rigidity is still insufficient, and the load is not sufficient due to the load of the placed article. There was a problem that the deck surface was bent.

[0004] When one of a plurality of synthetic resin pallets arranged close to each other is to be lifted by a fork, it is adjacent to the edge of the synthetic resin pallet to be lifted. There has been a problem that the edge of the synthetic resin pallet runs over and the adjacent synthetic resin pallets are lifted together.

An object of the present invention is to solve the problems of the above-mentioned conventional synthetic resin pallets and to provide a synthetic resin pallet with improved rigidity of deck surfaces and girders.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a cup-shaped corner girder formed by deforming four corners of a synthetic resin plate material downward, and an intermediate between the corner girder. Cup-shaped intermediate girder formed by deforming the part located in the part downward, and a cup-shaped central girder formed by deforming the central part of the synthetic resin plate downward. In the synthetic resin pallet, first, a convex vertical rib formed by expanding the side wall outward is formed on a side wall located outside the corner girder and the intermediate girder, Secondly, it has an independent trapezoidal rib located between the corner girder and the intermediate girder and formed by expanding the deck portion close to the periphery of the deck portion and not intersecting with other ribs. Third, the above table Inside the ribs, along the trapezoidal ribs, extend linearly from the lower end of the side wall of the corner girder to the lower end of the side wall of the intermediate girder in a plan view, and have an independent convex shape that does not intersect with other ribs Fourthly, a concave portion for a resilient band having a depth equal to or deeper than the thickness of the reinforce band is formed by inwardly recessing a peripheral wall formed on the peripheral edge of the deck portion. It has been formed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a synthetic resin pallet P of the present invention will be described below, but the present invention is not limited to this embodiment unless it exceeds the gist of the present invention.

Reference numeral 1 denotes a cup-shaped corner girder formed by deforming the vicinity of the four corners of a synthetic resin plate material downward, and 2 denotes a portion located in the middle of the corner girder 1 similarly deformed downward. The numeral 3 is a cup-shaped middle girder formed by deforming the central part of the synthetic resin plate material downward similarly, and the corner girder 1 and the middle girder are formed. The girder 2 and the center girder 3 are configured to have the same height, and are tapered downward. 4 is a fork insertion passage formed between the corner girder 1 and the intermediate girder 2. Reference numeral 5 denotes an upward peripheral wall formed on the peripheral edge 6a of the deck portion 6 on which the load is placed.

As shown in FIGS. 1 and 3, etc., the corner beam 1 is composed of a bottom 1a and four side walls 1b, and faces the fork insertion passage 4 among the four side walls 1b. On two non-existing side walls 1b, that is, on two outer side walls 1b, convex vertical ribs 1c formed by expanding the side walls 1b outward are formed. The upper end protruding portion 1c 'of the convex vertical rib 1c reaches almost the peripheral edge 6a of the deck portion 6, and is formed so as to be inclined toward the side wall 1b as going downward.

Similarly, as shown in FIGS. 1 and 3, etc., the intermediate girder 2 is also composed of a bottom 2a and four side walls 2b. On one side wall 2b that is not facing, that is, on one side wall 2b located outside, a convex vertical rib 2c formed by expanding the side wall 2b outward is formed. The upper end protruding portion 2c 'of the convex vertical rib 2c reaches almost the peripheral edge 6a of the deck portion 6, and is formed so as to be inclined toward the side wall 2b as going downward.

As described above, since the convex vertical ribs 1c are formed on the two side walls 1b located outside the corner beam 1,
As the strength and rigidity of the corner girder 1 increase, similarly,
Since the convex vertical rib 2c is formed on one side wall 2b located outside the intermediate girder 2, the strength and rigidity of the intermediate girder 2 are increased.

The projecting vertical rib 1c formed on the two side walls 1b located outside the corner beam 1 has its upper end protruding portion 1c 'almost reaching the peripheral edge 6a of the deck portion 6.
The convex vertical ribs 2c formed on one side wall 2b located outside the intermediate girder 2 are also formed so as to be inclined toward the side wall 1b toward the lower side. Similarly, since it reaches almost the peripheral edge 6a of the deck portion 6 and is formed so as to incline toward the side wall 2b as it goes down, a plurality of synthetic resin members arranged close to each other and juxtaposed to each other are formed. When one of the pallets P is to be lifted by inserting a fork into the fork insertion passage 4, the peripheral edge 6a of the synthetic resin pallet adjacent to the synthetic resin pallet P to be lifted is attached to the synthetic resin pallet P to be lifted. Riding can be prevented. Further, even when the peripheral edge 6a of the synthetic resin pallet P adjacent to the synthetic resin pallet P to be lifted rides on the synthetic resin pallet P to be lifted, the synthetic resin pallet P adjacent to the synthetic resin pallet P to be lifted. The vertical ribs 1c, 2c formed on the pallet move downward along the peripheral edge 6a of the synthetic resin pallet P to be lifted, so that the peripheral edge 6a of the synthetic resin pallet P adjacent to the synthetic resin pallet P to be lifted. However, it is possible to prevent the user from riding on the synthetic resin pallet P that can be lifted.

7 is located between the corner spar 1 and the middle spar 2,
And, the deck part 6 approaching the peripheral edge 6a of the deck part 6,
The trapezoidal rib formed by swelling upward has a flat top surface, a low height, and is horizontally long along the direction of the peripheral edge 6a. The upper surface formed by bulging is formed as an independent rib having a flat and low height and not intersecting with another trapezoidal rib described later. Such a corner girder 1 and an intermediate girder 2
By forming the independent trapezoidal ribs 7 located between the peripheral portion 6 and the peripheral portion 6a of the deck portion 6, the strength and rigidity near the peripheral portion 6a of the deck portion 6 can be increased.

Reference numeral 8 denotes a plane inside the independent trapezoidal rib 7 from the lower end of the side wall 1b of the corner girder 1 to the lower end of the side wall 2b of the intermediate girder 2 along the independent trapezoidal rib 7. The protruding strip ribs which extend linearly and have the same height as the independent trapezoidal ribs 7, and the protruding strip ribs 8 also
Is formed by bulging upward. The protruding strip ribs 8 are also formed as independent ribs that do not intersect with other trapezoidal ribs described later. One or two or more such convex ribs 8 can be formed. In the embodiment, one convex band rib 8 is formed in the vicinity of one opposing peripheral edge 6a of the deck portion 6, and two convex band ribs 8 are formed in the vicinity of the other opposing peripheral edge 6a. The example in which the convex strip ribs 8 are formed is shown.

Reference numeral 9 denotes a convex band rib similar to the above-mentioned convex band rib 8, and the difference is that the convex band rib 9 is formed between the intermediate girder 2 and the center girder 3. That is, it extends linearly from the lower end of the side wall 2b of the intermediate girder 2 to the lower end of the side wall 3a of the center girder 3 in plan view. This convex band rib 9 also
The deck portion 6 is formed by bulging upward. The protruding strip ribs 8 are also formed as independent ribs that do not intersect with other trapezoidal ribs described later. like this,
One or two or more convex strip ribs 9 can be formed. In the embodiment, an example is shown in which two convex band ribs 9 are formed between the intermediate girder 2 and the center girder 3, respectively.

By forming the convex strip ribs 8 and 9 as described above, the strength and rigidity of the entire deck 6 can be further increased.

From the lower end of the side wall 1b of the corner girder 1 to the lower end of the side wall 2b of the intermediate girder 2, two convex strip ribs 8 extending linearly in plan view and the side wall 2b of the intermediate girder 2 From the lower end of the central beam 3 to the lower end of the side wall 3a of the central girder 3, in the center of the four regions 6b of the deck portion 6 surrounded by the two convex strip ribs 9 extending linearly when viewed in plan. Square ring-shaped ribs 10 formed by expanding the deck portion 6 upward and having a substantially donut-shaped planar shape and the same height as the independent trapezoidal ribs 7 and the convex band ribs 8 and 9 are formed. Have been. Similarly, four surrounding ribs 11 are formed so as to surround the square ring-shaped ribs 10 by swelling the deck portion 6 upward and have a substantially W-shaped planar shape. Of course, the planar shape of the rectangular ring-shaped rib 10 and the planar shape of the surrounding rib 11 are not limited to the above shapes, and can be configured in various shapes, and the number of the surrounding ribs 11 is appropriately set. , Can be set. What is important is that the square ring-shaped rib 10 and the surrounding rib 1
1 and the surrounding ribs 11 do not cross each other.

By forming the rectangular ring-shaped rib 10 and the surrounding rib 11 as described above, the deck 6
The overall strength and rigidity can be further increased.

Numeral 12 denotes a clamp in which a clamp band for clamping a load placed on the deck 6 formed by indenting the peripheral wall 5 formed on the peripheral edge 6a of the deck 6 is inserted. The peripheral wall 5 of the band 12 is a band recess.
Is the depth from the outer surface 5a the same as the thickness of the repression band?
It is configured to be deeper than that. Since the above-described recessed band-use recess 12 is formed in the peripheral wall 5, the synthetic resin pallets on which the load-carrying baggage placed by the band-tightened band is in contact with each other, or such a synthetic resin pallet is used. Even if the pallet made of steel comes into contact with a building or the like, it is possible to prevent the rubbing band from being rubbed and damaged.

Further, by bulging the deck portion 6 in which the concave portion 12 for the band is formed upward to form the convex portion 13, the band is inserted into the back surface of the deck portion 6. It is also possible to form the concave portion 14 for the band. By forming such a band 14, the lateral movement of the band can be prevented in cooperation with the band 12 described above.

The pallet made of synthetic resin having the above-described structure is provided with a corner girder 1, an intermediate girder 2 and a center girder 3 of a synthetic resin pallet located thereon so that nesting is possible.
Are configured so that they can be fitted into the recesses of the corner girder 1, the middle girder 2 and the center girder 3 of the synthetic resin pallet located below, and do not hinder such nesting. In addition, the convex vertical ribs 1c and 2c also have a tapered slope as they go downward when the convex vertical ribs 1c and 2c are viewed from the front.

In the above-described embodiment, an example is shown in which the trapezoidal rib 7, the convex band ribs 8, 9 and the square ring-shaped rib 10 are formed by expanding the deck portion 6 upward. Of course, such a rib can be formed by swelling the deck portion 6 downward.

[0023]

Since the present invention has the above-described structure, the following effects can be obtained.

On the side wall located outside the corner girder and the intermediate girder,
Since the convex vertical ribs are formed, the strength and rigidity of the corner girder and the intermediate girder are increased, and one of a plurality of synthetic resin pallets arranged close to each other and a fork is inserted into the fork insertion passage. When inserting and trying to lift, it is possible to prevent the synthetic resin pallet adjacent to the synthetic resin pallet to be lifted from being lifted.

Since there is provided an independent trapezoidal rib located between the corner girder and the intermediate girder and formed by bulging the deck portion close to the periphery of the deck portion and not intersecting with other ribs. Therefore, the rigidity of the synthetic resin pallet, particularly, the rigidity of the peripheral portion of the deck portion is increased.

Along the trapezoidal rib, there is provided an independent convex strip rib which extends linearly from the lower end of the side wall of the corner girder to the lower end of the side wall of the intermediate girder as viewed in plan and does not intersect with other ribs. Therefore, combined with the trapezoidal ribs, the rigidity of the synthetic resin pallet, particularly the rigidity of the deck portion, is further increased.

Since the peripheral wall formed on the peripheral edge of the deck portion is recessed inward to form a concave portion for the band which has the same thickness or a greater depth than the band, damage to the band is prevented. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a synthetic resin pallet of the present invention.

FIG. 2 is a plan view of a synthetic resin pallet of the present invention.

FIG. 3 is a partial perspective view showing the vicinity of a corner girder of the synthetic resin pallet of the present invention.

FIG. 4 is a vertical sectional view taken along line II of FIG. 3;

FIG. 5 is a partial perspective view showing the vicinity of an intermediate girder of the synthetic resin pallet of the present invention.

FIG. 6 is a partial perspective view of the vicinity of a center girder of the synthetic resin pallet of the present invention.

FIG. 7 is a partial perspective view of a substantially quarter of the synthetic resin pallet of the present invention.

FIG. 8 is a partial perspective view of the vicinity of the concave portion for the resilient band of the synthetic resin pallet of the present invention as viewed from the back side.

[Explanation of symbols]

 P ······ Palette made of synthetic resin 1 ······ Corner girder 2 ······ Intermediate girder 3 ······· Central girder 5 ···・ ・ ・ ・ ・ Surrounding wall 6 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Deck part 7 ・ ・ ・ ・ ・ ・ ・ Trapezoidal ribs 8, 9 ・ ・ ・ ・ ・ ・ Convex band ribs

Claims (4)

[Claims] 1. A cup-shaped corner girder formed by deforming four corners of a synthetic resin plate material downward, and a cup-shaped girder formed by deforming a middle portion of the corner girder downward. In a single-sided synthetic resin pallet having an intermediate girder and a cup-shaped central girder formed by deforming a central portion of a synthetic resin plate material downward, a side wall located outside the corner girder and the intermediate girder A convex vertical rib formed by bulging the side wall outward. 2. An independent trapezoidal rib located between a corner girder and an intermediate girder and formed by expanding a deck portion close to the periphery of the deck portion and not intersecting with other ribs. The pallet made of synthetic resin according to claim 1, characterized in that: 3. The other ribs extend in a straight line from the lower end of the side wall of the corner girder to the lower end of the side wall of the intermediate girder along the trapezoidal rib and along the trapezoidal rib. 3. The synthetic resin pallet according to claim 1, further comprising an independent convex band rib that does not intersect with the pallet. 4. 4. A resilient band recess having a depth equal to or greater than the thickness of the refining band is formed by indenting a peripheral wall formed on a peripheral edge of the deck portion. The synthetic resin pallet according to any one of claims 1 to 3.