JP2001158429A - Synthetic resin pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a synthetic resin pallet which can easily put a fork of a hand lifter in/out of a fork insertion hole 32 and which is highly strong. SOLUTION: The synthetic resin pallet comprises a surface part, a cylindrical leg part at a corner, an intermediate cylindrical leg part and a center cylindrical leg part, wherein two couplings of the cylindrical leg part at the corner, the intermediate cylindrical leg part and the cylindrical leg part at the corner, and one coupling for connecting the intermediate cylindrical leg part, the center cylindrical leg part and the intermediate cylindrical leg part are formed in parallel, and the fork insertion hole is provided on a rear face. In this case, the coupling at the fork insertion hole has a horizontal plate section, a slope inclined downward from both side rims of the horizontal plate section in a fork insertion direction and a reinforcing rib formed below the horizontal plate section.

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 carrying various articles.

[0002]

2. Description of the Related Art Pallets made of synthetic resin are used for transporting various articles or stacking them in multiple stages. As a synthetic resin pallet for loading relatively lightweight articles, legs are formed at the corners, intermediate portions between the corners, and central portions from the surface deck board, and have connection portions for reinforcement. Lightweight pallets are commercially available. This lightweight pallet can be used not only in a mechanically driven forklift but also in a manually driven hand lifter with wheels, and is easily used.

[0003] However, in such a lightweight pallet, since the connecting portion is formed of a plurality of vertical ribs, when the fork of the hand lifter is inserted into the insertion hole of the pallet, the tip or wheel is likely to collide with the rib. There is an adverse effect that the rib is damaged by putting in and out the hand lifter.

[0004]

SUMMARY OF THE INVENTION The present invention provides a relatively lightweight synthetic resin pallet which has good operability when inserting a fork of a hand lifter into a fork insertion hole.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to a surface portion, a cylindrical leg at a corner protruding downward from a corner of the surface portion, and a surface portion intermediate between the cylindrical legs at the corner. It has an intermediate cylindrical leg protruding downward, and a central cylindrical leg protruding downward from the center of the front surface, and a cylindrical cylindrical leg at the corner on the back surface.
Two connecting portions for connecting the intermediate cylindrical leg portion to the corner cylindrical leg portion, and connecting the intermediate cylindrical leg portion to the central cylindrical leg portion to the intermediate cylindrical leg portion. One connecting part is formed in parallel,
Further, in a synthetic resin pallet provided with a fork insertion hole by the connecting portion between the corner cylindrical leg portion and the intermediate cylindrical leg portion, the connecting portion of the fork insertion hole portion has a horizontal plate shape. A pallet made of synthetic resin, comprising: a sloping portion, an inclined portion inclined downward from both side edges of the horizontal plate portion in the fork insertion direction, and a reinforcing rib formed below the horizontal plate portion. I will provide a. According to the present invention, the connecting portion between the intermediate cylindrical leg and the central cylindrical leg is formed from a plurality of reinforcing ribs formed below and the reinforcing ribs on both side edges in the fork insertion direction downward and outward. The present invention relates to the synthetic resin pallet having an inclined portion.

The present invention relates to the pallet made of synthetic resin, wherein a grid-like rib crossing vertically and horizontally is formed on a surface portion on a horizontal plate-like portion.

The present invention relates to the synthetic resin pallet in which the inclined portion is formed by a plate-like portion.

[0008] The present invention relates to the synthetic resin pallet, wherein the inclined portion is formed by a plurality of inclined ribs provided in parallel along the fork insertion direction.

The present invention relates to the synthetic resin pallet, wherein the connecting portion between the cylindrical portion at the intermediate portion and the cylindrical portion at the central portion has an inclined portion inclined downward along both side edges.

The present invention relates to the synthetic resin pallet, wherein a connecting portion in each cylindrical leg is formed by a plurality of bars extending in parallel.

According to the present invention, the crosspiece of the connecting portion in each cylindrical leg is U-shaped.
The present invention relates to the synthetic resin pallet having a letter shape. Further, the present invention provides a method for manufacturing a vehicle, comprising: a connecting portion between a cylindrical portion at a corner and a cylindrical portion at an intermediate portion; and a connecting portion between a cylindrical portion at an intermediate portion and a cylindrical portion at a central portion. The present invention relates to the synthetic resin pallet having a fork insertion hole.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a synthetic resin pallet according to the present invention will be described below with reference to the drawings.

FIG. 1 is a plan view showing an embodiment 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. FIG. 4 is a front view of the synthetic resin pallet shown, FIG. 4 is a side view of the synthetic resin pallet shown in FIG. 1, and FIG.
FIG. 6 is a cross-sectional view taken along a line BB in FIG. 1, FIG. 6 is a cross-sectional view taken along a line BB in FIG. 1, and FIG. 7 is a sectional view of another embodiment of the synthetic resin pallet according to the present invention. FIG. 5 showing the form of
FIG.

The synthetic resin pallet according to the present invention has a surface portion 1, a cylindrical leg 21 at a corner projecting downward from each corner of the surface 1, and a cylindrical leg 21 at the corner. Intermediate cylindrical legs 22, 23 protruding downward from the intermediate surface.
And a central cylindrical leg 24 protruding downward from the central portion of the front surface portion, and a cylindrical tubular leg at the corner portion-a cylindrical tubular portion at the intermediate portion-a cylindrical tubular leg portion at the corner portion on the back surface. Two connecting parts 50 for connecting
51 and one connecting portion 41 for connecting the intermediate cylindrical leg portion, the central cylindrical leg portion, and the intermediate cylindrical leg portion are formed in parallel with each other, and the corner cylindrical leg portion 21 is formed. And an intermediate tubular leg 22,
In the synthetic resin pallet provided with the fork insertion hole 32 by the connecting portion between the fork inserting hole 23 and the connecting portion 23, the connecting portions 50 and 51 of the fork inserting hole portion are formed by the horizontal plate-like portion 31a and the horizontal plate-like portion It is characterized by having an inclined portion 31b inclined downward from both side edges of the portion and a reinforcing rib 31c formed below the horizontal plate-like portion.

A fork insertion hole 32 is formed by the cylindrical legs 21 at the corners at both ends, the cylindrical legs 22 at the intermediate portion, and the connecting portions 50 and 51 connecting the lower ends thereof. The connecting portion 31 at the entrance of the fork insertion hole 32 is formed on a horizontal plate-like portion 31a, an inclined portion 31b inclined downward from both side edges of the horizontal plate-like portion 31a, and a back surface of the horizontal plate-like portion 31a. And a reinforcing rib 31c. The inclined portion 31b may be formed by only an inclined surface as shown in FIG.
If necessary, as shown in FIG. 7, a lower plate-like portion 31d is formed along both side edges of the horizontal plate-like portion 31a, the upper part of the inclined part 31b is formed by an inclined surface, and the lower part of the inclined part 31b is a lower part. The plurality of ribs 31e provided in parallel with the fork insertion direction on the plate-like portion 31d may be formed by inclined sides. Alternatively, the inclined portion 31b may be formed by only the inclined sides of a plurality of ribs provided in parallel along the fork insertion direction.

The reinforcing ribs 31c formed on the rear surface of the horizontal plate-like portion 31a are preferably formed by, for example, grid-like ribs that cross vertically and horizontally. Also, the horizontal plate-like portion 31
It is preferable to form grid-like ribs 11 crossing vertically and horizontally on the surface portion 1 on a.

A plurality of bars 12a extending preferably in parallel with the surface portion 1 are formed inside the cylindrical legs 21 at the corners and the cylindrical legs 22, 23 at the intermediate portions. At the position where they do not overlap with each other at the middle.
A plurality of bars 12b extending parallel to each other are formed at the lower end of the bar. The bar 12a has an inverted U shape that opens downward,
For example, it may be T-shaped. The crosspiece 12b is U-shaped, but may be, for example, an inverted T-shape that opens downward.
It is desirable that the crosspieces 12a and 12b are provided with a plurality of through holes.

The cylindrical leg 23 at the middle of both ends, the cylindrical leg 24 at the center, the connecting portion 41 connecting the lower ends thereof, and the cylindrical legs 21 at the corners at both ends on both sides thereof, The fork insertion hole 42 is provided by the cylindrical leg portions 22 and the connecting portions 50 and 51 connecting the lower ends thereof. A central cylindrical leg 24 is formed at the center of the surface of the pallet. The connecting portion 41 formed at the lower portion of the cylindrical leg portion 24 preferably has a plurality of parallel bars 13b formed in a U-shape.

The connecting portion 41 between the middle cylindrical leg portion 23 and the central cylindrical leg portion 24 at both ends has a crosspiece 41b, and a slope 41b 'inclined downward is formed on one side thereof. ing. The inclined portion 41b 'may be formed by a plate-like portion inclined as shown in FIG. 5, but if necessary, a lower end may be formed along the outer lower end of the bar 41b having an inverted U-shape as shown in FIG. The plate-shaped portion 41b '' may be formed, and the inclined portion 41b 'may be formed by a plurality of inclined ribs 41b''' provided on the lower end plate-shaped portion 41b '' in parallel along the fork insertion direction. . A plurality of bars 41a are formed on the surface portion 1 of the connecting portion 41 and extend in parallel at positions not overlapping the bars 41b. The crosspiece 41a preferably has an inverted U-shape opened downward, but may have a T-shape, for example. It is desirable to form a plurality of through holes in the crosspiece 41b and the crosspiece 41a.

Inside the central cylindrical leg 24, a plurality of parallel bars 13a are formed on the surface portion 1 and are connected to the bar at the upper end of the intermediate cylindrical leg 23. It is preferable that a plurality of bars 13b connected to the bar at the lower end of the cylindrical leg portion 23 at the intermediate portion are formed at positions where they do not overlap vertically. The bar 13a is preferably an inverted U-shape that opens downward,
For example, it may be T-shaped. The bar 13b is preferably U-shaped, but may be, for example, an inverted U-shape that opens downward. Pier 1
A plurality of through holes are provided in 3a and the crosspiece 13b. It is preferable that the crosspiece 41a and the crosspiece 13a are continuous at the surface portion 1, and that the crosspiece 41b and the crosspiece 13b are continuous at the connecting portion 41.

In the pallet, the connecting portion 41 and the connecting portion 5
On the surface 1 between 0 and 51, grid-like ribs 14 are preferably formed which intersect vertically and horizontally. An article is placed on a synthetic resin pallet on the back side of the lattice-shaped rib 14, and when the article is transported while supporting the back side of the front surface 1 with a fork such as a hand lifter or a forklift, the synthetic resin is placed on the fork. It is preferable that a non-slip grommet 15 is attached in order to make the pallet made of the material less slippery.

The cylindrical leg 21 at the corner and the cylindrical leg 2 at the middle
A partition wall 16 is formed inside the cylindrical legs 2 and 23 and the central cylindrical leg portion 24 in order to impart strength.

The synthetic resin pallet according to the present invention can be integrally formed of a synthetic resin such as polyethylene or polypropylene, and additives such as a coloring agent and a filler can be appropriately used in the synthetic resin.

In the synthetic resin pallet according to the present invention, the connecting portion 31 of the fork insertion hole 32 has a horizontal plate-like portion 31a and an inclined portion 3 inclined downward from both side edges of the horizontal plate-like portion 31a.
1b, the fork of the hand lifter can be easily taken in and out of the fork insertion hole 32, and the operability of the hand lifter is excellent.
The reinforcing ribs 31c are formed on the back surface of the horizontal plate-like portion 31a, and the grid-like ribs 11 crossing vertically and horizontally are formed on the surface portion 1 on the horizontal plate-like portion 31a. .

The synthetic resin pallet according to the present invention has a connecting portion 4 formed at the lower portion of the central cylindrical leg 24.
By forming the inclined portion 41b 'inclined downward along both side edges of 1, the fork of the hand lifter can be easily put in and out of the fork insertion hole 42 of the cylindrical leg 24 at the center. .

[0026]

According to the pallet made of synthetic resin of the present invention, the fork of the hand lifter can be easily taken in and out of the fork insertion hole 32, and the strength is high.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a synthetic resin pallet according to the present invention.

FIG. 2 is a bottom view of the synthetic resin pallet shown in FIG.

FIG. 3 is a front view of the synthetic resin pallet shown in FIG.

FIG. 4 is a side view of the synthetic resin pallet shown in FIG.

FIG. 5 is a sectional view taken along line AA in FIG. 1;

FIG. 6 is a sectional view taken along line BB in FIG. 1;

FIG. 7 is a sectional view corresponding to FIG. 5, showing another embodiment of the synthetic resin pallet according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Surface part 11 Lattice-shaped rib 21 Cylindrical leg part of a corner part 22 Cylindrical leg part of an intermediate part 23 Cylindrical leg part of an intermediate part 24 Cylindrical leg part of a center part 31 Connecting part 31a Horizontal plate part 31b Inclined part 31c Reinforcement rib 32 Fork insertion hole 40 Central leg 41, 50, 51 Connecting part 41b Bar 41b 'Inclined part 42 Fork insertion hole

Claims (9)

[Claims] 1. A surface portion, a cylindrical leg at a corner protruding downward from a corner of the surface portion, and an intermediate tube protruding downward from a surface intermediate between the cylindrical legs at the corner. A cylindrical leg having a central cylindrical portion protruding downward from a central portion of a surface portion, and a cylindrical cylindrical portion at a corner portion-a cylindrical cylindrical portion at an intermediate portion-a cylindrical portion at a corner portion on a back surface. Two connecting parts for connecting the legs and a cylindrical leg in the middle part
One connecting portion for connecting the central cylindrical leg portion to the intermediate cylindrical leg portion is formed in parallel, and is provided between the corner cylindrical leg portion and the intermediate cylindrical leg portion. In the synthetic resin pallet provided with the fork insertion hole by the connection portion, the connection portion of the fork insertion hole portion is inclined downward from the horizontal plate portion and both side edges of the horizontal plate portion in the fork insertion direction. A pallet made of a synthetic resin, comprising a portion and a reinforcing rib formed below the horizontal plate portion. 2. A connecting portion between a cylindrical leg in an intermediate portion and a cylindrical leg in a central portion is formed to extend outward from lower reinforcing ribs formed on a lower side and reinforcing ribs on both side edges in a fork insertion direction. The synthetic resin pallet according to claim 1, further comprising an inclined portion inclined to the pallet. 3. The synthetic resin pallet according to claim 1, wherein grid-like ribs crossing vertically and horizontally are formed on the surface of the horizontal plate-like portion. 4. The synthetic resin pallet according to claim 1, wherein the inclined portion is formed by a plate-like portion. 5. The synthetic resin pallet according to claim 1, wherein the inclined portion is formed by a plurality of inclined ribs provided in parallel along the fork insertion direction. 6. The connecting portion between the intermediate cylindrical leg and the central cylindrical leg has an inclined portion inclined downward along both side edges. 3. The synthetic resin pallet according to claim 4, wherein the pallet is made of synthetic resin. 7. The connecting portion in each cylindrical leg portion is formed by a plurality of bars extending in parallel.
The pallet made of synthetic resin according to claim 3, 4, 5, or 6. 8. The synthetic resin pallet according to claim 7, wherein the crosspiece of the connecting portion in each cylindrical leg is U-shaped. 9. A fork is provided between a connecting portion between the cylindrical portion at the corner and the cylindrical portion at the intermediate portion and a connecting portion between the cylindrical portion at the intermediate portion and the cylindrical portion at the central portion. 2. An insertion hole is formed.
A pallet made of a synthetic resin according to any one of claims 1 to 8.