A plastic tray in the shape of a field

By designing inclined guide surfaces, reinforcing dividers, and perforations at the fork opening of plastic pallets, combined with inclined reinforcing dividers and corner reinforcing ribs, the problem of insufficient guiding performance and structural strength at the fork opening of plastic pallets is solved, achieving stable forklift guidance and convenient demolding.

CN224336049UActive Publication Date: 2026-06-09ZHEJIANG RONGXIN IND & TRADING

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG RONGXIN IND & TRADING
Filing Date
2025-07-02
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The diagonal reinforcing ribs at the fork joints of existing injection-molded plastic pallets are prone to deformation, affecting guiding performance and resulting in insufficient structural strength and difficulty in demolding.

Method used

Design a grid-shaped plastic pallet with a fork bevel guide surface and a dividing reinforcement plate at the fork opening. The lower part of the fork bevel guide surface has a groove and a perforation. Combined with the bevel reinforcement plate and corner reinforcement ribs, it improves guiding performance and structural strength, and facilitates demolding.

Benefits of technology

It improves the guiding performance of forklift forks, reduces pallet damage, enhances structural strength, and simplifies the core-pulling and demolding process of injection molds.

✦ Generated by Eureka AI based on patent content.

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Abstract

A grid-shaped plastic pallet includes a pallet body with grid-shaped feet at the bottom. Forks are formed within the grid-shaped feet. A fork base plate is located below the forks, and a material-saving hole is formed in the fork base plate. A fork bevel guide surface is provided on the upper part of the side of the fork base plate near the fork entry point. A reinforcing divider is provided below the fork bevel guide surface. Two or more recesses are formed between the lower part of the fork bevel guide surface and the reinforcing divider. A through hole is formed in the fork bevel guide surface corresponding to each recess. 1. The fork bevel guide surface can guide the forklift forks, ensuring smooth insertion into the fork opening and reducing pallet damage caused by collisions between the forks and the pallet. 2. The reinforcing divider at the lower part of the fork bevel guide surface can improve its structural strength and prevent deformation. 3. The multiple through holes in the fork bevel guide surface facilitate core pulling and demolding at the recessed areas during manufacturing.
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Description

Technical Field

[0001] This utility model relates to a grid-shaped plastic pallet, belonging to the field of logistics. Background Technology

[0002] Pallets are frequently used when shipping goods in bulk. Goods are placed on pallets, and forklifts then load the pallets and goods together into or unload them from containers. Pallets can be categorized by material, such as plastic pallets, wooden pallets, metal pallets, and paper pallets. Plastic pallets, based on their manufacturing process, are further classified into injection-molded pallets, blow-molded pallets, and blister pallets. Injection-molded pallets are made by injecting hot-melt plastic material into the cavity of an injection mold, and after cooling, they are molded into the specified shape according to the mold cavity. To save on manufacturing materials, reduce manufacturing costs, and lighten the overall weight, injection-molded plastic pallets typically have mesh ribs evenly distributed in the pallet body, feet, and fork bottom plate. Mesh holes are formed between the mesh ribs. To facilitate the entry of forklift forks and reduce damage caused by forks hitting the fork bottom plate, existing technologies usually set diagonal reinforcing ribs at the upper and lower parts of the fork entry area. The diagonal reinforcing ribs can guide the forks to a certain extent, which is conducive to the forks entering the fork. However, there are gaps between the diagonal reinforcing ribs. When the forks hit the diagonal reinforcing ribs, they are prone to deformation, which affects their guiding performance. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a grid-shaped plastic pallet with good fork guiding performance, high structural strength, and easy demolding during manufacturing.

[0004] The technical solution of this utility model for a grid-shaped plastic pallet is as follows: it includes a pallet body, a grid-shaped bottom foot at the bottom of the pallet body, a fork opening in the grid-shaped bottom foot, a fork bottom plate at the bottom of the fork opening, a material-saving hole in the fork bottom plate, a fork inclined guide surface at the upper part of the side of the fork bottom plate near the fork opening entrance, a partition reinforcing piece at the lower part of the fork inclined guide surface, and two or more lower grooves formed between the lower part of the fork inclined guide surface and the partition reinforcing piece, with a through hole in the fork inclined guide surface corresponding to each lower groove.

[0005] Furthermore, the perforation is a round hole.

[0006] Furthermore, the material-saving hole is a rectangular hole.

[0007] Furthermore, an oblique reinforcing piece is provided between the upper part of the grid-shaped base and the tray body.

[0008] Furthermore, the grid-shaped base is provided with corner reinforcing ribs on the outer wall at the corners of the four corners of the tray body.

[0009] The beneficial effects of this grid-shaped plastic tray are:

[0010] 1. The fork bevel guide surface can guide the forklift forks to ensure that the forks can be smoothly inserted into the fork bevel, and reduce the damage to the pallet caused by the collision between the forks and the pallet.

[0011] 2. A reinforcing partition is installed at the lower part of the fork inclined guide surface to improve the structural strength of the fork inclined guide surface and prevent its deformation;

[0012] 3. Multiple through holes are made in the inclined guide surface of the fork, which facilitates core pulling and demolding at the lower groove position during manufacturing. Attached Figure Description

[0013] Figure 1 This is a front perspective view of a grid-shaped plastic tray according to this utility model;

[0014] Figure 2 yes Figure 1 A magnified view of part A;

[0015] Figure 3 This is a three-dimensional schematic diagram of the back of a grid-shaped plastic tray according to this utility model;

[0016] Figure 4 yes Figure 3 A magnified view of part B.

[0017] In the diagram, 1. Pallet body; 2. Grid-shaped base; 3. Fork opening; 4. Fork opening bottom plate; 5. Material saving hole; 6. Fork opening inclined guide surface; 7. Divider reinforcement plate; 8. Lower groove; 9. Perforation; 10. Inclined reinforcement plate; 11. Corner reinforcement rib. Detailed Implementation

[0018] This utility model relates to a grid-shaped plastic tray, such as Figure 1 — Figure 4 As shown, the pallet includes a pallet body 1, with a grid-shaped base 2 at the bottom of the pallet body 1. A fork opening 3 is formed in the grid-shaped base 2. A fork opening base plate 4 is formed at the bottom of the fork opening 3. A material-saving hole 5 is formed in the fork opening base plate 4. A fork opening inclined guide surface 6 is formed on the upper part of the side of the fork opening base plate 4 near the entrance of the fork opening 3. A partition reinforcing piece 7 is formed at the bottom of the fork opening inclined guide surface 6. Two or more lower grooves 8 are formed between the lower part of the fork opening inclined guide surface 6 and the partition reinforcing piece 7. A through hole 9 is formed in the fork opening inclined guide surface 6 corresponding to each lower groove 8.

[0019] Furthermore, the perforation 9 is a round hole.

[0020] Furthermore, the material-saving hole 5 is a rectangular hole.

[0021] Furthermore, an oblique reinforcing piece 10 is provided between the upper part of the grid-shaped base 2 and the tray body 1. The oblique reinforcing piece 10 improves the structural strength between the grid-shaped base 2 and the tray body 1.

[0022] Furthermore, corner reinforcing ribs 11 are provided on the outer wall of the four corners of the pallet body 1 at the corners of the grid-shaped base 2. With the corner reinforcing ribs 11, the structural strength at the corners of the grid-shaped base 2 is improved. When the pallet is being transported by a forklift, if the pallet is accidentally dropped, it will usually land on the ground at the four corners first. The corner reinforcing ribs 11 can reduce the damage to the four corners.

[0023] This utility model discloses a grid-shaped plastic pallet. The main feature is a fork-end guide surface 6 on the upper part of the side of the fork base plate 4 near the fork opening 3. When the forklift forks enter the fork opening 3, if the forks are slightly lower than the opening 3, the fork-end guide surface 6 can guide the forks, allowing them to smoothly insert into the opening 3 along the guide surface 6, reducing damage to the pallet caused by collisions between the forks and the pallet. A reinforcing divider 7 is provided at the lower part of the fork-end guide surface 6, connecting the lower part of the fork-end guide surface 6 to the reinforcing divider 7. Two or more lower grooves 8 are formed between 7. The reinforcing plate 7 can provide good support for the fork inclined guide surface 6, prevent its deformation, and improve the structural strength of the fork inclined guide surface 6. Multiple through holes 9 are opened in the fork inclined guide surface 6, and each through hole 9 corresponds to one lower groove 8. After the plastic pallet is injection molded, when the injection mold pulls the core out of the lower groove, the through holes 9 prevent the negative pressure formed in the lower groove 8 from affecting the core pulling, thus facilitating the core pulling and demolding of the injection mold.

[0024] The above specific embodiments are used to explain and illustrate the present utility model, and are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made to the present utility model within the spirit and protection scope of the claims shall fall within the protection scope of the present utility model.

Claims

1. A grid-shaped plastic pallet, comprising a pallet body (1), a grid-shaped base (2) provided at the bottom of the pallet body (1), forks (3) provided in the grid-shaped base (2), a fork base plate (4) provided at the bottom of the fork (3), and a material-saving hole (5) provided in the fork base plate (4), characterized in that: The fork bottom plate (4) is provided with a fork inclined guide surface (6) on the upper part of one side near the entrance of the fork (3), and a partition reinforcing plate (7) is provided at the lower part of the fork inclined guide surface (6). Two or more lower grooves (8) are formed between the lower part of the fork inclined guide surface (6) and the partition reinforcing plate (7), and a through hole (9) is opened in the fork inclined guide surface (6) corresponding to each lower groove (8).

2. The grid-shaped plastic pallet as described in claim 1, characterized in that: The perforation (9) is a round hole.

3. The grid-shaped plastic pallet as described in claim 1, characterized in that: The material-saving hole (5) is a rectangular hole.

4. A grid-shaped plastic pallet as described in claim 1, characterized in that: An oblique reinforcing piece (10) is provided between the upper part of the grid-shaped base (2) and the tray body (1).

5. A grid-shaped plastic pallet as described in claim 1, characterized in that: The grid-shaped base (2) is provided with corner reinforcing ribs (11) on the outer wall at the corners of the four corners of the tray body (1).