JPH0752019Y2 - Synthetic resin pallet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a pallet made of synthetic resin, which can be suitably used for carrying various articles.

"Prior art" A cylindrical girder in a corner having a front surface portion and a back surface portion, and the front surface portion and the back surface portion connecting the corner portions of the front surface portion and the back surface portion, and the middle portion around the front surface portion and the back surface portion. Are connected by a cylindrical girder in the middle part and a cylindrical girder in the central part that connects the central parts of the front part and the back part, and a fork insertion hole is formed in a square shape between the cylindrical girders. A pallet made of synthetic resin is known in which a large through hole is formed below the portion where the fork insertion holes intersect on the back surface. However, in the conventional synthetic resin pallet, since the corners protruding toward the large through hole of the cylindrical girder are substantially right angles, the articles wrapped in a paper bag are placed on the synthetic resin pallet and stacked in multiple stages. In this case, the corners of the synthetic resin pallet located at the upper stage that protruded at a substantially right angle toward the large through-hole of the cylindrical girder contacted the paper bag of the article located at the lower stage, and the paper bag was liable to tear. .

"Problems to be solved by the device" The present inventor conducted research on a synthetic resin pallet that is difficult to tear when the articles wrapped in a paper bag are placed on a synthetic resin pallet and stacked in multiple stages. I have come up with the idea.

"Means for Solving the Problem" The present invention has a front surface portion and a back surface portion, and a front surface portion and a back surface portion connect the corner portions of the front surface portion and the back surface portion to each other. It is connected by a cylindrical girder in the middle part that connects the intermediate parts around the back surface part and a rectangular cylindrical girder in the center part that connects the central parts of the front surface part and the back surface part, and a fork between the cylindrical girders. In a synthetic resin pallet in which the insertion holes are formed in the shape of a square and a large through hole is formed below the portion where the fork insertion holes intersect at the back surface, A pallet made of synthetic resin, characterized in that a corner portion projects into a through hole on the back surface where the fork insertion hole intersects, and a plate-shaped portion is formed on the bottom surface of each corner portion of the rectangular tubular girder. Is.

[Examples] Hereinafter, the present invention will be described with reference to the drawings.

FIG. 1 is a plan view showing an example of a synthetic resin pallet according to the present invention, FIG. 2 is a bottom view of the synthetic resin pallet shown in FIG. 1, and FIG. 3 is a synthetic resin pallet shown in FIG. A front view, FIG. 4 is a sectional view of the synthetic resin pallet shown in FIG. 1, FIGS. 5 and 6 are partial perspective views of the synthetic resin pallet shown in FIG. 1, and FIGS. It is sectional drawing which shows the state which is molding the synthetic resin pallet shown in FIG.

The synthetic resin pallet is integrally molded by injection molding with a synthetic resin such as polyethylene or polypropylene.
A cylindrical girder 3 at a corner where the front surface portion 1 and the rear surface portion 2 connect the corner portions of the front surface portion 1 and the rear surface portion 2, and an intermediate portion around the front surface portion 1 and the rear surface portion 2. Between the cylindrical girders 4 in the middle part for connecting them, and the rectangular cylindrical girders 5 in the middle part for connecting the central parts of the front surface part 1 and the back surface part 2, and between the cylindrical girders 3, 4, 5. The fork insertion hole 6 is formed in a square shape.

Inside the central rectangular cylindrical girder 5, a partition plate body 7 whose upper end reaches the front surface portion 1 and whose lower end reaches the rear surface portion 2 is obliquely crossed.

A crosspiece 8 is formed between the cylindrical girder 4 in the middle part and the partition plate body 7 on the surface part 1, and the crosspiece 8 is composed of the cylindrical girder 4 in the middle part and the rectangular cylindrical girder 5 in the center part. A cross section is formed between them, and a cross section is T-shaped inside the rectangular cylindrical girder 5 at the central portion. The back surface 2 has a cross section between the tubular girder 4 in the middle and the rectangular tubular girder 5 in the center so as not to overlap with the crosspiece 8 vertically. A crosspiece 9 is formed and a crosspiece 10 is formed symmetrically across the crosspiece 9. The crosspiece 10 includes a horizontal plate-shaped portion 11 and the horizontal plate-shaped portion.
11 has an inverted U-shaped portion 12 rising from the end of
A plurality of inclined ribs 13 are provided on the horizontal plate-shaped portion 11.

Inside the central rectangular tubular girder 5, a U-shaped crosspiece 14 having a through hole intersecting in a cross shape is formed on the back surface 2 and the lower end of the corner 33 of the tubular girder 5 is formed. A plate-like portion 15 having a through hole is formed inside.

The front surface portion 1 and the back surface portion 2 are formed with connecting portions that connect the tubular girders 3 at the corners and the tubular girders 4 at the middle portion. The connecting portion of the surface portion is formed by the crosspieces 16 that intersect vertically and horizontally. At the center of the connecting portion of the back surface portion, an upper plate-like portion 17 is formed at a position higher than the lower ends of the cylindrical girders 3, 4, 5 and the lower surface along the both side edges is the lower end of the cylindrical girder. A lower plate-shaped portion 18 that is flush with each other is formed, and a plurality of inclined ribs 19 that descend toward the edges of the lower plate-shaped portion 18 are formed on the lower plate-shaped portion 18.

Inside the tubular girder at the corner, a partition plate body 20 whose upper end reaches the front surface portion 1 and whose lower end reaches the rear surface portion 2 is formed obliquely. Further, inside the tubular girder 3 at the corner, a plate-like portion 21 and a crosspiece 22 having a cross section are formed on the front surface 1, and a crosspiece 23 and a crosspiece having a cross section of ⊥ are formed on the back surface 2. A plate-like portion 24 having a through hole is formed inside the lower end of the corner portion 34 of the beam 3.

Inside the tubular girder 4 in the middle part, the surface part 1 has a plate-like part
25, a cross-section 26 and a plate-like portion 27 are formed, and a rear surface 2 is formed with a cross-section 28.

Above the portion where the fork insertion hole 6 intersects, a crosspiece 29 that is crossed vertically and horizontally is formed on the surface portion 1 and the crosspiece 29 is formed.
A crosspiece 30 having a cross section is formed around 29. A large through hole is provided in the back surface portion 2 below the portion where the fork insertion holes 6 intersect.

A notch 32 is formed in a corner portion 31 of the tubular girder 4 in the middle portion. The synthetic resin pallet shown in FIGS. 1 to 6 has a corner portion 3 protruding toward the large through hole of the cylindrical girders 3, 4, and 5.
Only one of the corners 33, 34 out of 1, 33, 34 has a plate-shaped part 15, 24.
Is formed, and the notch 32 is formed in the remaining corner portion 31, but the corner portions 31 and 3 protruding toward the large through hole are formed as necessary.
A plate-shaped portion may be formed on all of the parts 3 and 34.

Inside the tubular girders 3 at the corners, the tubular girders 4 at the middle part, and the rectangular tubular girders 5 at the center, they slightly project from the inner surfaces of the tubular girders 3, 4, and 5 and the surface part 1 Reinforcing piece 35 that connects the side edges of the crosspieces 8, 22, and 26 of FIG.
Are formed.

The synthetic resin pallets shown in FIGS. 1 to 6 are composed of mold blocks 36 and 37 which are inserted from the side as shown in FIGS. 7 and 8 and a mold block which contacts the front side of the synthetic resin pallet. It is possible to integrally perform injection molding by 38 and the mold block 39 that contacts the back side of the synthetic resin pallet.

"Effect of the Invention" The synthetic resin pallet according to the present invention has a plate-shaped portion formed inside the lower end of the corner protruding toward the large through hole of the tubular girder, so that the article is wrapped in a paper bag. The paper bags are difficult to tear when placed on a synthetic resin pallet and stacked in multiple stages.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of a synthetic resin pallet according to the present invention, FIG. 2 is a bottom view of the synthetic resin pallet shown in FIG. 1, and FIG. 3 is a synthetic resin pallet shown in FIG. A front view, FIG. 4 is a sectional view of the synthetic resin pallet shown in FIG. 1, FIGS. 5 and 6 are partial perspective views of the synthetic resin pallet shown in FIG. 1, and FIGS. It is sectional drawing which shows the state which is molding the synthetic resin pallet shown in FIG. 1 ... Front part, 2 ... Back part, 3 ... Corner tubular girder, 4
...... Square-shaped tubular girder in the central part, 5 ...... Cylindrical girder in the central part, 6 ...
… Fork insertion holes, 33,34 …… Corners, 15,24 …… Plate-like parts.

Claims (1)

[Scope of utility model registration request] 1. A cylindrical girder having a front surface portion and a back surface portion, the front surface portion and the back surface portion connecting the corner portions of the front surface portion and the back surface portion,
The cylindrical girders of the middle part connecting the middle parts of the front part and the back part and the rectangular cylindrical girders of the center part connecting the center parts of the front part and the back part are connected to each other. In a synthetic resin pallet in which a fork insertion hole is formed in the shape of a cross and a large through hole is formed below the portion where the fork insertion hole intersects on the back surface, a square tube at the center The synthetic resin is characterized in that the corners of the girder project into the through holes in the back surface where the fork insertion holes intersect, and the plate-like parts are formed on the bottom surface of each corner of the rectangular tubular girder. palette.