JP2002068188A - Synthetic resin pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a synthetic resin pallet having higher strength than a conventional synthetic resin pallet with a continuous vertical welding surface located at the center of the synthetic resin pallet. SOLUTION: In the synthetic resin pallet, the vertical welding surface h1 of the mutually facing side surfaces of skid members 10 and 11 forming an upper deck board P' is displaced from the vertical welding surface h2 of the mutually facing side surfaces of skid members 12 and 13 forming a lower deck board P".

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 storing and transporting luggage.

[0002]

2. Description of the Related Art Conventionally, a lower end surface of a girder portion of an upper skid and an upper end surface of a girder portion of a lower skid, which are semi-finished products of a synthetic resin pallet, in which a girder portion is formed on the back surface of a deck board. In a synthetic resin pallet manufactured by welding together, the upper skid 1 and the lower skid 2, as shown in FIGS.
Further, an upper half skid member 1a and a lower half skid member 2a having the same shape and bisected are formed by injection molding or the like, and the two upper half skid members 1a and the two lower half skid members 2a are respectively The lower end surface of the girder portion 1b of the upper half skid member 1a and the upper end surface of the girder portion 2b of the lower half skid member 2a, the opposing side surface 1c of the laterally arranged upper half skid member 1a, and the side surface. A synthetic resin pallet manufactured by welding the opposite side surfaces 2c of the lower half skid member 2a is known (for example, Japanese Utility Model Application Laid-Open No. 58-29927, JP-A-9-1100).
No. 39). )

[0003]

In the above-mentioned conventional synthetic resin pallet, opposing side surfaces 1c of two upper half-skid members 1a located above and arranged side by side in the horizontal direction.
The vertical welding surface h1 between the two and the vertical welding surface h2 between the side surfaces 2c of the two lower half skid members 2a arranged side by side in the horizontal direction coincide with each other at the center of the synthetic resin pallet. Therefore, in the center of the plastic pallet,
There is a vertical welding surface H that is continuous in the vertical direction.

By the way, the fork of a forklift is
The synthetic resin pallet is inserted into the fork insertion hole F of the synthetic resin pallet, and the synthetic resin pallet is lifted and transported, or both sides of the synthetic resin pallet are placed on a shelf of an automatic warehouse or the like. When storing luggage placed on a pallet, a large load is applied to the central area of the synthetic resin pallet, and the central area of the synthetic resin pallet may be bent and deformed. If there is a vertical welding surface H that is continuous in the vertical direction at the center like a resin pallet, the welding surface H is weak in strength, and the synthetic resin pallet is damaged or broken at this portion. was there.

An object of the present invention is to solve the problems of the above-mentioned conventional synthetic resin pallets.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a vertical welding surface on opposing sides of a skid member forming an upper deck board and an opposing skid member forming a lower deck board. The vertical welding surface on the side surface is deviated.

[0007]

Embodiments of the present invention will be described below, but the present invention is not limited to these embodiments unless it departs from the gist of the present invention.

First, as an example, referring to FIGS. 1 and 2 showing a two-way synthetic resin pallet,
An embodiment of the present invention will be described.

The pallet P made of synthetic resin is composed of four skid members 10 to 13 integrally formed by injection molding or the like. The skid member 10 forming the upper deck board P ′ forms a side girder portion 10a forming one side girder p1 of the synthetic resin pallet P and a part of an intermediate girder p2 of the synthetic resin pallet P. Partial intermediate girder part 10b
Similarly, the skid member 11 that forms the upper deck board P ′ together with the skid member 10 also has a side girder 11a that forms the other side girder p1 of the synthetic resin pallet P. And a partial intermediate girder portion 11b which constitutes a part of the intermediate girder p2 of the synthetic resin pallet P. Then, the partial intermediate girder portion 10b of the skid member 10
Width (width in the direction perpendicular to the longitudinal direction of the side girder p1) w1
Is formed wider than the width (width in the direction perpendicular to the longitudinal direction of the side girder p1) w2 of the partial intermediate girder portion 11b of the skid member 11.

Further, the skid member 12 forming the lower deck board P ″ of the synthetic resin pallet P is formed by a side girder portion 12 forming one side girder p1 of the synthetic resin pallet P.
a, and a partial intermediate girder portion 12b that constitutes a part of the intermediate girder p2 of the synthetic resin pallet P, and a skid member 13 that forms a lower deck board P ″ together with the skid member 12 is similarly formed. And a side girder portion 13a forming the other side girder p1 of the synthetic resin pallet P, and a partial middle girder portion 13b forming a part of the middle girder p2 of the synthetic resin pallet P. And, the skid member 12
The width (w3 in the direction perpendicular to the longitudinal direction of the side girder p1) w3 of the partial intermediate girder portion 12b is the width of the partial intermediate girder portion 13b of the skid member 13 (the direction perpendicular to the longitudinal direction of the side girder p1). (Width) w4.

When manufacturing a synthetic resin pallet P,
Skid members 10, 1 forming the upper deck board P '
1 are arranged side by side, and the skid members 12, 13 forming the lower deck board P "are arranged side by side. At this time, the upper deck board P having a wide partial intermediate girder portion 10b is provided. The skid member 12 forming the lower deck board P ″ having the narrow partial intermediate girder portion 12b is located below the skid member 10 forming the lower deck board 10 ′ and the upper deck board having the narrow partial intermediate girder portion 11b. The skid member 13 forming the lower deck board P ″ having the wide partial intermediate girder portion 13b is arranged under the skid member 11 forming P ′.

Then, the upper deck board P 'and the skid members 12 and 13 forming the lower deck board P "have the above-mentioned positional relationship between the upper deck board and the lower deck board P". The lower end surface of the side girder portion 10a of the skid member 10 forming the P ′ is welded to the upper end surface of the side girder portion 12a of the skid member 12 forming the lower deck board P ″. 'And the upper end surface of the side girder 13a of the skid member 13 forming the lower deck board P ″ are welded to the lower end surface of the side girder 11a of the skid member 11 forming the lower deck board P ″. The lower end surface of the partial intermediate girder portion 10b of the skid member 10 forming the lower deck board, the upper end surface of the partial intermediate girder portion 12b of the skid member 12 forming the lower deck board P ″, and the lower deck board The skid member 11 forming the upper deck board P 'is welded to the partial intermediate girder portion 13b of the skid member 13 forming the P "by welding.
And a partial intermediate girder portion 13b of the skid member 13 forming the lower deck board P ″
Weld with the upper end surface. Furthermore, opposing side surfaces 10 of the skid members 10, 11 forming the upper deck board P '
By welding the side surfaces 12c and 13c of the skid members 12 and 13 forming the lower deck board P ″ to each other, the synthetic resin pallet P is manufactured.

As described above, the synthetic resin pallet P
The skid members 10, 11 forming the upper deck board P 'as shown in FIG.
Vertical welding surfaces h1 of opposing side surfaces 10c and 11c, and skid members 12 and 13 forming a lower deck board P ″.
The vertical welding surfaces h2 of the opposing side surfaces 12c and 13c are shifted in the horizontal direction, and therefore, the vertical welding surfaces of the synthetic resin pallet P are not continuous in the vertical direction but are discontinuous. A synthetic resin pallet P having an increased strength can be manufactured as compared with the above-described conventional synthetic resin pallet having a continuous vertical welding surface H located at the center of the resin pallet P.

In the embodiment shown in FIGS. 3 and 4, the upper skid forming the upper deck board P 'has an intermediate girder portion 14a forming an intermediate girder of the synthetic resin pallet P on the lower surface of the central portion. A central skid member 14 having a partial side girder portion 14b which forms a part of the side girder p1 of the synthetic resin pallet P on the lower surface of both end portions thereof and which is parallel to the intermediate girder portion 14a; And the end skid member 15 consisting only of a partial side girder forming the side girder p1 of the synthetic resin pallet P in cooperation with the partial side girder 14b of the central skid member 14. .

As shown in FIG. 5, the lower skid forming the lower deck board P ″ is a half lower skid member 16 (FIG. 5) of the same shape obtained by bisecting the above-described conventional lower skid. The lower half skid member 16 is connected to one of the side girders p of the synthetic resin pallet P.
1 and a pallet P made of synthetic resin.
And a partial intermediate girder portion 16b constituting a part of the intermediate girder p2.

When manufacturing a synthetic resin pallet P,
Central skid member 14 forming upper deck board P '
Of the lower half skid member 16 forming the pair of lower deck boards P "and the upper end surface of the partial intermediate girder portion 16b of the lower half skid member 16 forming a pair of lower deck boards P". Weld each other,
Central skid member 14 forming upper deck board P '
And the lower side surface of the lower half skid member 16 forming the lower deck board P ″.
Weld with the upper end surface of a. Furthermore, a synthetic resin pallet P
A lower end surface 15a of an end skid member 15 consisting only of a partial side girder forming the side girder p1, and a side girder 16 of a lower half skid member 16 forming a lower deck board P ″.
Weld with the upper end surface of a. Further, the end skid member 15
The synthetic resin pallet P is manufactured by welding the side surface 15b on the side of the central skid member 14 and the side surface 14c of the central skid member 14.

As described above, the synthetic resin pallet P
As shown in FIG. 4, the vertical welding surface h1 between the side surface 14c of the central skid member 14 and the side surface 15b of the end skid member 15 forming the upper deck board P ′ is made of synthetic resin. The vertical welding surface h2 of the opposite side face 16c of the lower half skid member 16 forming the lower deck board P ″ is located in the center of the synthetic resin pallet P. So
The vertical welding surface h1 of the upper deck board P ′ and the vertical welding surface h2 of the lower deck board P ″ do not coincide with each other in the up-down direction, but exist in a horizontal direction. Since the vertical welding surface becomes discontinuous,
A synthetic resin pallet P having an increased strength can be manufactured as compared with the above-mentioned conventional synthetic resin pallet having a continuous vertical welding surface H located at the center of the synthetic resin pallet.

Although two embodiments of the present invention have been described, the vertical welding surface h1 of the upper deck board P 'and the vertical welding surface h2 of the lower deck board P "coincide with each other in the vertical direction. If the vertical welding surface of the synthetic resin pallet P is discontinuous, the skids forming the upper deck board P ′ and the lower deck board P ″ may have various shapes. . In the above-described embodiment, a two-way synthetic resin pallet is shown. However, it is needless to say that the present invention can be applied to a four-way synthetic resin pallet. is there.

[0019]

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

The vertical welding surface on the opposite side of the skid member forming the upper deck board and the vertical welding surface on the opposite side of the skid member forming the lower deck board are:
Since it is shifted, it is possible to manufacture a synthetic resin pallet having increased strength as compared with a conventional synthetic resin pallet having a continuous vertical welding surface located at the center of the synthetic resin pallet.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an arrangement of skids constituting a synthetic resin pallet of the present invention.

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

FIG. 3 is a perspective view showing an arrangement of skids constituting a synthetic resin pallet according to another embodiment of the present invention.

FIG. 4 is a front view of a synthetic resin pallet according to another embodiment of the present invention.

FIG. 5 is a perspective view showing an arrangement of skids constituting a conventional synthetic resin pallet.

FIG. 6 is a front view of a conventional synthetic resin pallet.

[Explanation of symbols]

 P ... Pallet made of synthetic resin P '... Upper deck board P "... Lower deck board h1 , H2 ... vertical welding surface p1 ... side girder p2 ... middle girder 10-16 ... ... Skids

Claims (1)

[Claims] A vertical welding surface on opposite side surfaces of a skid member forming an upper deck board and a vertical welding surface on opposite side surfaces of a skid member forming a lower deck board,
A synthetic resin pallet characterized by being shifted.