CN221624272U - Combined tray - Google Patents

Abstract

The utility model relates to the technical field of logistics transportation trays, in particular to a combined tray. The support leg is of a hollow structure formed by blow molding, and is S-shaped in the length direction; the upper ends of the support legs are provided with through holes, and the cross beams are inserted into the through holes; more than two supporting legs are connected with a plurality of cross beams to form a rectangular frame structure. The combined tray has the advantages of both plastic trays and wood trays formed by blow molding, and reduces the production and use cost on the premise of meeting the requirements of corrosion resistance and compressive impact strength.

Description

Combined tray

Technical Field

The utility model relates to the technical field of logistics transportation trays, in particular to a combined tray.

Background

The tray is used as a bearing container in the logistics industry, and an overhead supporting structure is arranged below the tray surface for facilitating the whole storage and transportation of the forklift. The early tray is formed by splicing battens with nails, the wooden tray is not fireproof, is easy to be bitten by insects and eroded by rain water, has poor strength and short service life; in order to overcome the disadvantages of wooden pallets, plastic pallets have been developed. The plastic tray has better corrosion resistance, water resistance and fire resistance than wood tray, and the service life is prolonged. The existing plastic trays are integrally formed by adopting an injection molding process, and the panel and the supporting legs at the bottom are of an integrated structure. The die used in the production is larger, and the die cost is high; in addition, the tray formed by injection molding is only solid in structure, large in material consumption and high in material cost, and the toughness of the tray body and the material is inferior to that of a blow molded product. Therefore, plastic pallets are superior to wooden pallets in terms of corrosion resistance, impact resistance, and service life; from the standpoint of toughness and material cost control of the material, trays manufactured by a blow molding process have certain advantages over injection molded trays. However, at the same time, if the tray with a large-area cavity structure is produced by the blow molding process, the pressure resistance is easily insufficient due to the lack of support in the cavity, for example, the support legs of the tray bear most of the pressure, and simply increasing the thickness of the blow molding support legs is difficult to meet the pressure resistance requirement. In addition, the integrally constructed pallet is overly complex for the blow molding process and is difficult to implement for practical production applications. Another chinese patent 2022221269484 of my application discloses a blow molding bending support leg tray, publication No. CN218142813U, comprising a panel and support legs disposed below the panel, the panel comprising two or more parallel-disposed panels, the sides of the panels being provided with rectangular positioning bayonets; at least two support legs are connected to the lower surface of the plate block in a matched manner through pin shafts and shaft holes, and the support legs are S-shaped folded plates in the length direction; the upper end surfaces of the support legs are provided with positioning blocks matched with the positioning bayonets, and the positioning blocks are correspondingly clamped in the positioning bayonets; the plate and the support legs of the blow molding bending support leg tray are hollow structures formed by blow molding. The compression strength is high, and the requirements of the logistics transportation industry can be met. However, the price of the plastic pallet is still high relative to the wooden pallet, and the plastic pallet is found in practical use: in the use environment, the supporting legs of the tray are usually in direct contact with the ground, so that the improvement of the corrosion resistance is mainly reflected on the supporting legs of the tray, and the production and use cost can be reduced if the tray panel is designed into a detachable and replaceable structure by adopting low-cost materials.

Disclosure of Invention

The utility model aims to provide a low-cost combined tray on the premise of meeting the requirements of corrosion resistance and compressive impact strength.

The utility model adopts the technical scheme for solving the technical problems that:

The utility model relates to a combined tray which comprises support legs and a cross beam connected to the upper ends of the support legs, wherein the support legs are hollow structures formed by blow molding, and the support legs are S-shaped folded plates in the length direction; the upper ends of the support legs are provided with through holes, and the cross beams are inserted into the through holes; more than two supporting legs are connected with a plurality of cross beams to form a rectangular frame structure.

Through this scheme, this modular tray has blow molding's plastic tray and wood tray's advantage concurrently, reduces production and use cost under the prerequisite that satisfies corrosion resistance and compressive impact strength.

Preferably, the cross beam is of a plate-shaped structure with a rectangular cross section, the through hole is a rectangular hole matched with the cross section of the cross beam, an upper hole wall is arranged at the upper end of the through hole, a cross beam clamping groove matched with the upper hole wall is arranged at the upper end of the cross beam, and a buckle is filled between the lower end of the cross beam and the through hole.

Through this scheme, crossbeam and stabilizer blade firm in connection just can conveniently dismouting change, is favorable to reducing use cost.

Preferably, longitudinal beams are inserted into the inner cavities of the support legs, and the longitudinal beams are perpendicular to the cross beams.

Through this scheme, can further improve the intensity of stabilizer blade.

Preferably, the inner cavity of the support leg is a cavity structure formed by surrounding a wavy first side wall, a wavy second side wall and end plates positioned at two ends, the longitudinal beam is positioned between the first side wall and the second side wall, the end plates are provided with mounting Kong Fengtou matched with the cross section of the longitudinal beam, and the mounting holes formed by cutting off the sealing heads of the mounting holes are used for inserting the longitudinal beam into the cavity structure between the first side wall and the second side wall.

Through this scheme, can conveniently change cavity type stabilizer blade into additional strengthening's stabilizer blade.

Preferably, the upper ends of the support legs are fixedly provided with a panel.

Through this scheme, can make the upper surface of tray form complete planar structure.

Preferably, the cross beam is a multi-layer composite wood board.

Through this scheme, can reduce the manufacturing cost of crossbeam, improve the corrosion resistance of crossbeam.

Due to the adoption of the structure, the combined tray has the advantages of the plastic tray and the wood tray which are formed by blow molding, and reduces the production and use cost on the premise of meeting the corrosion resistance and the compression resistance and impact strength.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic top view of the embodiment of fig. 1.

Fig. 3 is a schematic view of a partial cross-sectional structure of a foot.

Fig. 4 is a schematic perspective view of a cross beam.

Fig. 5 is an enlarged schematic view of part a of fig. 1.

Fig. 6 is a schematic perspective view of the buckle.

Detailed Description

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Examples

As shown in fig. 1 and 2, a combined tray in this embodiment includes a supporting leg 1 and a cross beam 2 connected to the upper end of the supporting leg 1, the supporting leg 1 is a hollow structure formed by blow molding, and the cross beam 2 is a plate-shaped structure formed by multiple layers of composite boards and having a rectangular cross section. The two or more supporting legs 1 and the plurality of cross beams 2 are connected to form a rectangular frame structure, in this embodiment, four supporting legs 1 and the plurality of cross beams 2 which are arranged in parallel form a square frame structure, and of course, 2 supporting legs 1 or 3 supporting legs 1 or more supporting legs 1 can be adopted. The fork bars of the forklift can be accommodated in the gaps between the supporting legs 1, and the fork bars of the forklift can be inserted into the gaps between the two supporting legs 1 along the directions of the supporting legs 1 when the forklift is used, so that the tray can be lifted by lifting the fork bars. For goods with flat bottoms and large bottom surface area, the square frame structure can meet the requirement of goods. Of course, if the cargo has a high requirement on the flatness of the bearing surface, the panel 8 may be fixedly installed at the upper end of the supporting leg 1, the panel 8 may be made of a common wood board or a multi-layer composite wood board, or may be made of an iron sheet or a stainless steel sheet, and may be fixedly connected with the beam 2 by using a wood nail or a wood screw or an iron sheet screw. The support leg 1 is S-shaped folded plate-shaped in the length direction; the upper end of the support leg 1 is provided with a through hole, and the cross beam 2 is inserted into the through hole. The through hole is a rectangular hole matched with the cross section of the cross beam 2, and an upper hole wall 3 is arranged at the upper end of the through hole. As shown in fig. 4, a beam clamping groove 4 matched with the upper hole wall 3 is formed in the upper end of the beam 2, and a buckle 5 is filled between the lower end of the beam 2 and the through hole. As shown in fig. 1, the height of the through hole is matched with the height of the cross beam 2, so that the cross beam 2 can just penetrate into the through hole; the depth of the beam clamping groove 4 is matched with the thickness of the upper hole wall 3, after the beam 2 penetrates into the through hole, the beam 2 is lifted up by the aid of the buckle 5, the upper hole wall 3 is clamped into the beam clamping groove 4, so that the relative positions of the beam 2 and the supporting legs 1 can be fixed, the upper surface of the beam 2 is just flush with the upper surface of the upper hole wall 3, and goods on a tray can be kept stable. As shown in fig. 6, the buckle 5 includes two elastic pieces 51 disposed in parallel, and an end plate 52 fixedly connected to one end of the elastic pieces 51, and both the inner and outer sides of the elastic pieces 51 are provided with inclined branch pieces 53. When the buckle 5 is used, the buckle 5 is horizontally placed into the lower end of the through hole of the support leg 1, the elastic pieces 51 are positioned between the lower end of the cross beam 2 and the through hole, the two elastic pieces 51 are restrained and extruded by the two side walls of the through hole, the two elastic pieces 51 are compressed inwards, at the moment, the forked pieces 53 on the inner sides of the two elastic pieces 51 are mutually supported, after the buckle 5 is completely stretched into the through hole, the end plate 52 is left outside one end of the through hole, the forked pieces 53 on the outer sides of the two elastic pieces 51 are stretched out from one end of the through hole and hooked on the edge of the through hole, and the buckle 5 can be prevented from falling from the through hole.

When it is desired to place the pallet on the pallet with a large number of stacked layers of goods, the longitudinal pressure on the feet 1 is high and a high strength is required. As a further development of the utility model, as shown in fig. 3, longitudinal beams 6 are inserted into the interior of the support leg 1, the longitudinal beams 6 being arranged perpendicular to the transverse beam 2. The inner cavity of the support leg 1 is a cavity structure formed by the wavy first side wall 11, the wavy second side wall 12 and end plates 13 at two ends. As shown in fig. 1 and 5, the end plate 13 is provided with a mounting Kong Fengtou matching with the cross section of the longitudinal beam 6, the mounting hole seal head 7 comprises a seal head pipe 71 with a tubular structure and a seal head plate 72 fixedly connected with the tail end of the seal head pipe 71, the inner cavity of the seal head pipe 71 is communicated with the inner cavity of the support leg 1, the seal head plate 72 seals the tail end of the seal head pipe 71, so that the inner cavity of the support leg 1 forms a closed cavity, and the seal head can bear larger pressure and meet the requirement of the bearing capacity of a common transfer tray. When the number of stacked goods layers on the pallet is required to be placed on the shelf, as shown on the right side of fig. 3, the mounting hole seal head 7 is cut off or only the seal head pipe 71 is cut off, and the formed mounting hole is used for inserting the longitudinal beam 6 into the cavity structure between the first side wall 11 and the second side wall 12. At this time, although the inner cavity of the support leg 1 is communicated with the outside through the mounting hole, the support leg 1 has higher strength due to the internal supporting function of the longitudinal beam 6, and the requirement of multi-layer stacking is met.

During the use, with stabilizer blade 1 and crossbeam 2 correspondence installation, stabilizer blade 1 is put on the ground, and the goods is piled up on stabilizer blade 1 and crossbeam 2, inserts crossbeam 2 below, in the gap between stabilizer blade 1 with the fork arm along the direction that the arrow shows in figure 1 when fork truck transported, starts fork truck and lifts up crossbeam 2, stabilizer blade 1 and goods together and leave the ground and can transport, after transporting the destination, reduces the height of fork arm, until stabilizer blade 1 falls to the ground, and finally reversing and take out the fork arm can.

Although specific embodiments of the utility model have been described in detail above, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (6)

1. The combined tray comprises support legs (1) and a cross beam (2) connected to the upper ends of the support legs (1), and is characterized in that the support legs (1) are hollow structures formed by blow molding, and the support legs (1) are S-shaped folded plates in the length direction; the upper end of the support leg (1) is provided with a through hole, and the cross beam (2) is inserted into the through hole; more than two supporting legs (1) and a plurality of cross beams (2) are connected into a rectangular frame structure.

2. The combined tray according to claim 1, wherein the cross beam (2) is of a plate-shaped structure with a rectangular cross section, the through hole is a rectangular hole matched with the cross section of the cross beam (2), an upper hole wall (3) is arranged at the upper end of the through hole, a cross beam clamping groove (4) matched with the upper hole wall (3) is arranged at the upper end of the cross beam (2), and a buckle (5) is filled between the lower end of the cross beam (2) and the through hole.

3. A modular pallet according to claim 1 or 2, characterized in that longitudinal beams (6) are inserted in the cavities of the legs (1), said longitudinal beams (6) being arranged perpendicular to the transverse beams (2).

4. A modular pallet according to claim 3, characterized in that the cavities of the feet (1) are hollow structures formed by the surrounding of a first side wall (11) and a second side wall (12) in the shape of a wave and end plates (13) at both ends, the end plates (13) being provided with mounting Kong Fengtou (7) matching the cross section of the stringers (6), and the mounting holes formed by cutting off the mounting Kong Fengtou (7) being used for inserting the stringers (6) into the hollow structures between the first side wall (11) and the second side wall (12).

5. A modular tray according to claim 1 or 2, characterized in that the upper ends of the feet (1) are fixedly provided with panels (8).

6. A modular pallet according to claim 1 or 2, characterized in that the cross beams (2) are multi-layer composite wood boards.