Light tray

Abstract

The utility model relates to a light tray, and relates to the technical field of trays, the light tray comprises a tray body, the tray body is made of PET, the upper surface of the tray body is fixedly connected with a plurality of longitudinally or transversely arranged reinforcing ribs, the end face of the tray body is sunken downwards to form foot columns of the tray body, and the foot columns are fixedly connected with the tray body. The number of the foot columns is multiple, the foot columns are arranged in a hollowed-out mode, and the peripheral edges of the tray body are arranged in a flanging mode. The tray has the effect of reducing the self weight of the tray.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of trays, in particular to a light tray. BACKGROUND

[0002] A tray is a horizontal platform device for placing goods and products as unit loads for loading, stacking, handling and transporting. It plays an important role in the fields of logistics, warehousing and circulation, and is considered as one of the two key innovations in the logistics industry in the 20th century.

[0003] In the related art, the tray is usually made of wood and metal, but the tray made of wood and metal is not only hard in texture, but also heavy in weight, so that the labor intensity required during handling is large, and therefore it is a problem to be solved at present to reduce the weight of the tray under the premise of meeting the bearing requirements of the tray. CONTENT OF THE UTILITY MODEL

[0004] In order to reduce the weight of the tray under the premise of meeting the bearing requirements of the tray, the present application provides a light tray.

[0005] The light tray provided by the present application adopts the following technical scheme: a light tray, comprising a tray body, the material of the tray body is PET, the upper surface of the tray body is fixedly connected with a plurality of longitudinal or transverse reinforcing ribs, the end surface of the tray body is downwardly recessed to form a foot column of the tray body, the foot column is provided in plurality and is hollow, and the periphery of the tray body is provided with a flange.

[0006] By adopting the above technical scheme, the weight of the tray body can be reduced by setting the material of the tray body as PET, the bearing capacity of the tray body can be improved by setting the reinforcing ribs and doubling the flange at the periphery of the tray body, and the overall quality of the tray body is further reduced by the hollow foot column, so that the weight of the tray can be reduced under the premise of meeting the bearing requirements of the tray, and the lightness of the tray is realized.

[0007] Optionally, the lower end of the tray body is provided with a first reinforcing plate, the upper surface of the first reinforcing plate is provided with a plurality of hollow portions, the hollow portions correspond one-to-one to the foot columns on the tray body, the foot columns are arranged in the hollow portions of the first reinforcing plate, the surface of the first reinforcing plate is provided with a boss, and the boss is arranged in a staggered manner with the reinforcing ribs on the tray body.

[0008] By adopting the above technical scheme, the lower end of the tray body can be reinforced by the first reinforcing plate to improve its bearing capacity.

[0009] Optionally, the upper end of the tray body is provided with a second reinforcing plate, and the surface of the second reinforcing plate is provided with multiple hollows, and the hollows correspond to the positions of the foot columns of the tray body.

[0010] By adopting the above technical scheme, the upper end of the tray body can be protected by the second reinforcing plate, and the stacking of multiple trays can be realized by the hollow arrangement.

[0011] Optionally, the upper end of the tray body is provided with a third reinforcing plate, and the third reinforcing plate is an integral PET foam plate.

[0012] By adopting the above technical scheme, the upper end of the tray body can be protected by the third reinforcing plate.

[0013] Optionally, the lower end of the tray body is provided with three first bottom plates arranged in parallel, the upper end of each first bottom plate is provided with a recess, the recessed part on the surface corresponds to the position of the foot column of the tray body, and the arrangement direction of the first bottom plate is longitudinal.

[0014] By adopting the above technical scheme, the foot columns at the lower end of the tray body can be supported and protected by the three first bottom plates arranged in the longitudinal direction, and the ground pressure of the foot columns can be reduced.

[0015] Optionally, the lower end of the tray body is provided with three second bottom plates arranged in parallel, the upper end of each second bottom plate is provided with a recess, the recessed part on the surface corresponds to the position of the foot column of the tray body, and the arrangement direction of the first bottom plate is transverse.

[0016] By adopting the above technical scheme, the foot columns at the lower end of the tray body can be supported and protected by the three first bottom plates arranged in the transverse direction, and the ground pressure of the foot columns can be reduced.

[0017] Optionally, the lower end of the tray body is provided with a third bottom plate, the third bottom plate is the same in shape and material as the tray body, the third bottom plate is arranged opposite to the tray body, and the foot columns of the two are in abutment.

[0018] By adopting the above technical scheme, the foot columns of the tray body can be supported one by one by the foot columns on the third bottom plate, thereby realizing the heightening of the tray body.

[0019] Optionally, the lower end of the tray body is provided with a fourth bottom plate, the upper surface of the fourth bottom plate is concave, and the concave position of the fourth bottom plate corresponds to the position of the foot column of the tray body.

[0020] By adopting the above technical scheme, the entire lower end surface of the tray body can be supported and protected by the fourth bottom plate, and the stability of the tray body can be improved.

[0021] To sum up, the present application includes at least one of the following beneficial technical effects:

[0022] 1. The self-weight of the tray body can be reduced by setting the material of the tray body as PET, and the bearing capacity of the tray body can be improved by setting the reinforcing ribs and doubling the flanging of the four peripheral edges of the tray body. The hollowly set foot column further reduces the overall quality of the tray body, thereby reducing the self-weight of the tray under the premise of meeting the bearing requirements of the tray, and realizing the lightweight of the tray.

[0023] 2. The upper end of the tray body can be protected by the second reinforcing plate, and the stacking of multiple trays can be realized by the hollow setting.

[0024] 3. The foot column at the lower end of the tray body can be supported and protected by the three first bottom plates arranged transversely, and the ground pressure of the foot column can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of embodiment 1 of the present application;

[0026] Figure 2 is a schematic diagram of the overall structure of embodiment 2 of the present application;

[0027] Figure 3 is a schematic diagram of the structure of the first reinforcing plate of embodiment 2 of the present application;

[0028] Figure 4 is a schematic diagram of the structure of the second reinforcing plate of embodiment 3 of the present application;

[0029] Figure 5 is a schematic diagram of the overall structure of embodiment 4 of the present application;

[0030] Figure 6 is a schematic diagram of the structure of the second bottom plate of embodiment 5 of the present application;

[0031] Figure 7 is a schematic diagram of the overall structure of embodiment 6 of the present application;

[0032] Figure 8 is a schematic diagram of the overall structure of embodiment 7 of the present application;

[0033] Figure 9 is a schematic diagram of the overall structure of embodiment 8 of the present application;

[0034] Figure 10 is a schematic diagram of the overall structure of embodiment 9 of the present application;

[0035] Figure 11 is a schematic diagram of the structure of the fifth bottom plate of embodiment 9 of the present application;

[0036] Figure 12This is a schematic diagram of the overall structure of Embodiment 10 of this application;

[0037] Figure 13 This is a schematic diagram of the overall structure of Embodiment 11 of this application.

[0038] In the diagram, 1. Pallet body; 2. Foot; 3. First reinforcing plate; 31. Boss; 4. Second reinforcing plate; 5. Third reinforcing plate; 6. First bottom plate; 7. Second bottom plate; 8. Third bottom plate; 9. Fourth bottom plate; 10. Fifth bottom plate; 11. Sixth bottom plate; 12. Seventh bottom plate; 13. Eighth bottom plate; 14. Ninth bottom plate. Detailed Implementation

[0039] The following is in conjunction with the appendix Figure 1 -Appendix Figure 13 This application will be described in further detail below.

[0040] Example 1

[0041] A lightweight tray, as shown in the reference Figure 1 The system includes a pallet body 1, which is rectangular in shape. The pallet body 1 is formed by vacuum forming from a single sheet of PET foam or PET foam board. The density of the foamed PET sheet or PET foam board is 0.1-0.85g / cm³, the sheet / board thickness is 1-10mm, and the vacuum-formed foamed PET sheet / board has an area of ​​1200mm*1000mm, requiring 1-2 sheets. The resulting pallet weighs 2-8kg.

[0042] To improve the load-bearing capacity of the pallet body 1, multiple longitudinally or transversely arranged reinforcing ribs are fixedly connected to the upper surface of the pallet body 1.

[0043] Nine square, downward-recessed supports 2 are provided on the end face of the pallet body 1. The ends of some reinforcing ribs are positioned at the grooves of the supports 2. The nine supports 2 are evenly distributed on the end face of the pallet body 1. The perforated design of the supports 2 allows for product stacking. The four edges of the pallet body 1 are flanged.

[0044] Example 2

[0045] The difference from Example 1 is that: (Refer to...) Figure 2 and Figure 3 The lower end of the pallet body 1 is provided with a first reinforcing plate 3, which is made of a single sheet of PET foam through vacuum forming. The upper surface of the first reinforcing plate 3 has multiple cutouts, each corresponding to a leg post 2 on the pallet body 1, with the leg posts 2 positioned within the cutouts of the first reinforcing plate 3. The surface of the first reinforcing plate 3 has protrusions 31, which are offset from the positions of the reinforcing ribs on the pallet body 1. The edges of the first reinforcing plate 3 are flanged for reinforcement.

[0046] The first reinforcing plate 3 is fixedly connected with the tray body 1. In a first fixing mode, the first reinforcing plate 3 and the tray body 1 are welded into one body by ultrasonic welding. The welding position is located on the outer wall of the tray body 1. In a second fixing mode, the first reinforcing plate 3 and the tray body 1 are riveted into one body by rivets. The riveting position is located in the reinforcing rib recess of the tray body 1. In a third fixing mode, the first reinforcing plate 3 and the tray body 1 are partially heat-welded into one body. The lower surface of the tray body 1 is heated, and the upper surface of the boss 31 of the first reinforcing plate 3 is heated. After heat melting, the first reinforcing plate 3 and the tray body 1 are heat-welded into one body. In a fourth fixing mode, the lower surface of the tray body 1 is pre-coated with PET material special glue, and the upper surface of the boss 31 of the first reinforcing plate 3 is pre-coated with PET material special glue. The two are bonded into one body.

[0047] Example 3

[0048] The difference from Example 1 is that, referring to Figure 4 , the upper end of the tray body 1 is provided with a second reinforcing plate 4. The second reinforcing plate 4 is an integral PET foam plate. The surface of the second reinforcing plate 4 is provided with nine hollows, and the hollows correspond one-to-one to the foot columns 2 of the tray body 1.

[0049] The second reinforcing plate 4 is fixedly connected with the tray body 1. In a first fixing mode, the upper and lower parts are welded into one body by ultrasonic welding. In this embodiment, the upper part refers to the second reinforcing plate 4, and the lower part refers to the tray body 1. The welding position is located around the lower surface of the lower part. In a second fixing mode, the upper and lower parts are riveted into one body by rivets. The riveting position is located around the upper surface. In a third fixing mode, the upper and lower parts are heat-welded into one body. The lower surface of the upper part is heated, and the upper surface of the lower part is heated. After heat melting, the upper and lower parts are heat-welded into one body. In a fourth fixing mode, the lower surface of the upper part is pre-coated with PET material special glue, and the upper surface of the lower part is pre-coated with PET material special glue. The upper and lower parts are bonded into one body.

[0050] Example 4

[0051] The difference from Example 1 is that, referring to Figure 5, the upper end of the tray body 1 is provided with a third reinforcing plate 5, and the tray body 1 and the third reinforcing plate 5 are fixedly connected. The fixed placement mode one adopts ultrasonic welding to weld the upper and lower parts into one body (in this embodiment, the upper part refers to the third reinforcing plate 5, and the lower part refers to the tray body 1), and the welding position is located around the lower surface of the lower part; the mode two adopts rivet to rivet the upper and lower parts into one body, and the riveting position is located around the upper surface; the mode three adopts hot connection to hot-connect the upper and lower parts into one body, the lower surface of the upper part is heated, the upper surface of the lower part is heated, and after hot melting, the upper and lower parts are hot-connected into one body; the mode four pre-coats the lower surface of the upper part with PET material special glue, pre-coats the upper surface of the lower part with PET material special glue, and bonds the upper and lower parts into one body.

[0052] Embodiment 5

[0053] Different from embodiment 1, the difference lies in that Figure 6 , the lower end of the tray body 1 is provided with three first bottom plates 6 arranged in parallel, and the first bottom plates 6 are formed by blow molding of strip-shaped PET foam plates. Each first bottom plate 6 is provided with three pits at the upper end, the pit part on the surface corresponds to the nine feet of the upper part one by one, longitudinal reinforcing ribs are arranged on the surface, the first bottom plate 6 is provided with a turned-up edge around the periphery, the turned-up edge plays a reinforcing role, and the arrangement direction of the first bottom plate 6 is longitudinal.

[0054] The tray body 1 and the first bottom plate 6 are fixedly connected, wherein the fixed connection mode one adopts ultrasonic welding to weld the upper and lower parts into one body (in this embodiment, the upper part refers to the tray body 1, and the lower part refers to the first bottom plate 6), and the welding position is located in the pit of the lower part; the mode two adopts rivet to rivet the upper and lower parts into one body, and the riveting position is located in the foot column 2 of the upper part; the mode three adopts hot connection to hot-connect the upper and lower parts into one body, the lower surface of the foot column 2 of the upper part is heated, the upper surface of the lower part is heated, and after hot melting, the upper and lower parts are hot-connected into one body; the mode four pre-coats the lower surface of the foot column 2 of the upper part with PET material special glue, pre-coats the upper surface of the pit of the lower part with PET material special glue, and bonds the upper and lower parts into one body.

[0055] Embodiment 6

[0056] Different from embodiment 1, the difference lies in that Figure 7 , the lower end of the tray body 1 is provided with three second bottom plates 7 arranged in parallel, and the second bottom plates 7 are formed by blow molding of strip-shaped PET foam plates. Each second bottom plate 7 is provided with three pits at the upper end, the pit part on the surface corresponds to the nine feet of the upper part one by one, transverse reinforcing ribs are arranged on the surface, the second bottom plate 7 is provided with a turned-up edge around the periphery, the turned-up edge plays a reinforcing role, and the arrangement direction of the second bottom plate 7 is transverse.

[0057] The tray body 1 is fixedly connected with the first bottom plate 6, wherein the fixed connection is achieved in the following manners: in the first manner, the upper and lower parts (in this embodiment, the upper part refers to the tray body 1, and the lower part refers to the second bottom plate 7) are welded into one body by ultrasonic welding, and the welding position is located in the recess of the lower part; in the second manner, the upper and lower parts are riveted into one body, and the riveting position is located in the foot column 2 of the upper part; in the third manner, the upper and lower parts are hot-connected into one body, the lower surface of the foot column 2 of the upper part is heated, the upper surface of the lower part is heated, and after hot melting, the upper and lower parts are hot-connected into one body; in the fourth manner, the lower surface of the foot column 2 of the upper part is pre-coated with a special glue for PET material, the upper surface of the recess of the lower part is pre-coated with a special glue for PET material, and the upper and lower parts are bonded into one body.

[0058] Embodiment 7

[0059] The difference from embodiment 1 is that, as shown in Figure 8 , the lower end of the tray body 1 is provided with a third bottom plate 8, the third bottom plate 8 is the same in shape and material as the tray body 1, the third bottom plate 8 is oppositely arranged with the tray body 1, and the foot columns 2 of the two are in abutment with each other.

[0060] The third bottom plate 8 is fixedly connected with the tray body 1, and the fixed connection is achieved in the following manners: in the first manner, the upper and lower parts (in this embodiment, the upper part refers to the tray body 1, and the lower part refers to the third bottom plate 8) are welded into one body by ultrasonic welding, and the welding position is located in the foot column 2; in the second manner, the upper and lower parts are riveted into one body, and the riveting position is located in the foot column 2; in the third manner, the upper and lower parts are hot-connected into one body, the lower surface of the foot column 2 of the upper part is heated, the upper surface of the foot column 2 of the lower part is heated, and after hot melting, the upper and lower parts are hot-connected into one body; in the fourth manner, the lower surface of the foot column 2 of the upper part is pre-coated with a special glue for PET material, the upper surface of the foot column 2 of the lower part is pre-coated with a special glue for PET material, and the upper and lower parts are bonded into one body.

[0061] Embodiment 8

[0062] The difference from embodiment 1 is that, as shown in Figure 9 , the lower end of the tray body 1 is provided with a fourth bottom plate 9, the fourth bottom plate 9 is formed by vacuum forming of a whole PET foam plate, the surface of the fourth bottom plate 9 is provided with longitudinal and transverse reinforcing ribs, the upper surface of the fourth bottom plate 9 is concave, the concave position is consistent with the position of the foot column 2 of the tray body 1, and the foot column 2 of the tray body 1 is arranged in the concave position of the fourth bottom plate 9. The edge of the fourth bottom plate 9 around the periphery plays a reinforcing role.

[0063] The fourth bottom plate 9 is fixedly connected with the tray body 1: the fixed manner of the two is that the upper and lower parts are welded into one body by ultrasonic welding (in this embodiment, the upper part refers to the tray body 1, and the lower part refers to the fourth bottom plate 9), and the welding position is located in the foot column 2; the fixed manner of the two is that the upper and lower parts are riveted into one body by rivets, and the riveting position is located in the foot column 2; the fixed manner of the two is that the upper and lower parts are hot-connected into one body by hot connection, the upper part is heated on the lower surface of the foot column 2, and the lower part is heated on the upper surface of the concave part, and the upper and lower parts are hot-connected into one body after hot melting; the fixed manner of the two is that the upper and lower parts are bonded into one body by pre-coating PET material special glue on the lower surface of the foot column 2 and the upper surface of the concave part.

[0064] Embodiment 9

[0065] The difference from embodiment 1 is that, referring to Figure 10 and Figure 11 , the lower end of the tray body 1 is provided with a fifth bottom plate 10, the fifth bottom plate 10 is formed by vacuum forming of a whole PET foam plate, the surface of the fifth bottom plate 10 is provided with longitudinal and transverse reinforcing ribs, the upper surface of the fifth bottom plate 10 is concave, the concave position is consistent with the position of the foot column 2 of the tray body 1, and the edges of the fifth bottom plate 10 around the periphery are turned up to play a reinforcing role. The lower part of the fifth bottom plate 10 has four hollow parts and forms a field shape.

[0066] The fourth bottom plate 9 is fixedly connected with the tray body 1: the fixed manner of the two is that the upper and lower parts are welded into one body by ultrasonic welding (in this embodiment, the upper part refers to the tray body 1, and the lower part refers to the fifth bottom plate 10), and the welding position is located in the foot column 2; the fixed manner of the two is that the upper and lower parts are riveted into one body by rivets, and the riveting position is located in the foot column 2; the fixed manner of the two is that the upper and lower parts are hot-connected into one body by hot connection, the upper part is heated on the lower surface of the foot column 2, and the lower part is heated on the upper surface of the concave part, and the upper and lower parts are hot-connected into one body after hot melting; the fixed manner of the two is that the upper and lower parts are bonded into one body by pre-coating PET material special glue on the lower surface of the foot column 2 and the upper surface of the concave part.

[0067] Embodiment 10

[0068] The difference from embodiment 1 is that, referring to Figure 12 , the lower part of the tray body 1 is sequentially provided with a sixth bottom plate 11 and a seventh bottom plate 12. The sixth bottom plate 11 and the seventh bottom plate 12 are both provided as three. The sixth bottom plate 11 and the seventh bottom plate 12 are both horizontal strip-shaped PET foam plates, the tray body 1 is fixedly connected with the sixth bottom plate 11, and the sixth bottom plate 11 is fixedly connected with the seventh bottom plate 12.

[0069] Embodiment 11

[0070] The difference from embodiment 1 is that, referring to Figure 13, the lower part of the tray body 1 is sequentially provided with the eighth bottom plate 13 and the ninth bottom plate 14. Wherein the eighth bottom plate 13 and the ninth bottom plate 14 are all provided with three. The eighth bottom plate 13 and the ninth bottom plate 14 are both transverse strip-shaped PET foamed plates, the tray body 1 is fixedly connected with the ninth bottom plate 14, and the eighth bottom plate 13 is fixedly connected with the ninth bottom plate 14.

Claims

1. A lightweight pallet comprising a pallet body (1), characterised in that, The material of the tray body (1) is PET, a plurality of longitudinal or transverse reinforcing ribs are fixedly connected to the upper surface of the tray body (1), the end surface of the tray body (1) is concave downward to form a foot column (2) of the tray body (1), the foot column (2) is provided in plurality and is provided in hollow, and the periphery edge of the tray body (1) is provided in turn-up.

2. A lightweight pallet according to claim 1, wherein, The lower end of the tray body (1) is provided with a first reinforcing plate (3), a plurality of hollows are arranged on the upper surface of the first reinforcing plate (3), the hollows correspond to the foot columns (2) on the tray body (1) one by one, the foot columns (2) are arranged in the hollows of the first reinforcing plate (3), the first reinforcing plate (3) is provided with a boss (31) on the surface, and the boss (31) is arranged in dislocation with the reinforcing ribs on the tray body (1).

3. A lightweight pallet according to claim 1, wherein, The upper end of the tray body (1) is provided with a second reinforcing plate (4), a plurality of hollows are arranged on the surface of the second reinforcing plate (4), and the hollows correspond to the positions of the foot columns (2) of the tray body (1) one by one.

4. A lightweight pallet according to claim 1, wherein, The upper end of the tray body (1) is provided with a third reinforcing plate (5), and the third reinforcing plate (5) is an integral PET foam plate.

5. A lightweight pallet according to claim 1, wherein, The lower end of the tray body (1) is provided with three first bottom plates (6) arranged in parallel, the upper end of each first bottom plate (6) is provided with a pit, the pit part on the surface corresponds to the positions of the foot columns (2) of the tray body (1) one by one, and the first bottom plate (6) is arranged in a longitudinal direction.

6. A lightweight pallet according to claim 1, wherein, The lower end of the tray body (1) is provided with three second bottom plates (7) arranged in parallel, the upper end of each second bottom plate (7) is provided with a pit, the pit part on the surface corresponds to the positions of the foot columns (2) of the tray body (1) one by one, and the second bottom plate (7) is arranged in a transverse direction.

7. A lightweight pallet according to claim 1 wherein, The lower end of the tray body (1) is provided with a third bottom plate (8), the third bottom plate (8) is the same in shape and material as the tray body (1), the third bottom plate (8) is arranged opposite to the tray body (1) and the foot columns (2) of the two abut each other.

8. A lightweight pallet according to claim 1, wherein, The lower end of the tray body (1) is provided with a fourth bottom plate (9), the upper surface of the fourth bottom plate (9) is concave, and the concave position of the fourth bottom plate (9) is consistent with the position of the foot column (2) of the tray body (1).

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