High-strength multilayer structure tray

Abstract

The high-strength multilayer structure tray comprises a lower injection molding shell, an upper injection molding supporting plate is arranged on the outer surface of the upper end of the lower injection molding shell, supporting feet are fixedly installed at the four corners of the outer surface of the lower end of the lower injection molding shell, and supporting connecting columns are fixedly installed at the four corners of the bottom of an inner cavity of the lower injection molding shell. First bolt holes are formed in the outer surfaces of the upper ends of the supporting connecting columns, stacking limiting grooves are formed in the four corners of the outer surface of the upper end of the upper injection molding supporting plate, and downward extending hollow columns are arranged on the lower portions of the stacking limiting grooves. According to the high-strength multi-layer structure tray, the stacking limiting grooves, the downward extending hollow columns and the supporting legs are arranged, limiting can be conveniently conducted when the tray is stacked, the stability of multi-layer stacking is improved, the upper injection molding supporting plate is detachably connected with the lower injection molding shell, the upper injection molding supporting plate is detachably connected with the lower injection molding shell, and therefore the stability of the multi-layer structure tray is improved. And the upper injection molding supporting plate can be independently replaced after being detached, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of trays, in particular to a high-strength multi-layer structure tray. Background Technique

[0002] Basic introduction of injection molded trays: Injection molded trays are a kind of logistics packaging container made by injection molding process, which are used to classify, containerize, package and protect goods in the links of logistics transportation, warehousing and distribution.

[0003] Injection molded trays usually consist of some basic components, including tray surface, support, etc., and have the advantages of being light, strong in load-bearing capacity, shock-proof and moisture-proof.

[0004] However, in the prior art, when the tray is in use, the upper end is used as the load-bearing surface, and the outer surface of the upper end is easily damaged. After being damaged, the whole needs to be replaced, which increases the use cost; and when the trays are stacked in multiple layers in the prior art, they are not stable enough.

[0005] Therefore, we propose a high-strength multi-layer structure tray. Content of the Utility Model

[0006] (1) Technical problems to be solved

[0007] Aiming at the deficiencies of the prior art, the utility model provides a high-strength multi-layer structure tray, which has the advantages of being more stable when stacked in multiple layers, being convenient for separately replacing the upper injection molded tray, and reducing the use cost, and can effectively solve the problems in the background technique.

[0008] (2) Technical solutions

[0009] To achieve the above object, the technical solution adopted by the utility model is: a high-strength multi-layer structure tray, including a lower injection molded housing, an upper injection molded tray is arranged on the outer surface of the upper end of the lower injection molded housing, support feet are fixedly installed at the four corners of the outer surface of the lower end of the lower injection molded housing, support connection columns are fixedly installed at the four corners of the inner cavity bottom of the lower injection molded housing, first bolt holes are opened on the outer surface of the upper end of the support connection columns, stacking limit grooves are opened at the four corners of the outer surface of the upper end of the upper injection molded tray, a lower extension hollow column is arranged below the stacking limit grooves, and second bolt holes are opened at the four corners of the outer surface of the lower end of the lower extension hollow column, and connection bolts are arranged between the upper injection molded tray and the lower injection molded housing.

[0010] Preferably, the lower extension hollow column and the upper injection molded tray are integrally injection molded.

[0011] Preferably, the stacking limit groove communicates with the lower extension hollow column.

[0012] Preferably, the outer wall of the support feet in one group of trays is inserted into the stacking limit grooves and the lower extension hollow columns in another group of trays.

[0013] Preferably, the connecting bolt is threadedly connected between the second bolt hole and the first bolt hole.

[0014] Preferably, reinforcing rib plates are fixedly installed on the left and right sides of the inner cavity of the lower injection molded housing. A weight reduction hole is formed on one outer surface of the reinforcing rib plate. A concave block is fixedly installed on the lower outer surface of the upper injection molded support plate.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a high-strength multi-layer structure tray, which has the following beneficial effects:

[0017] 1. For this high-strength multi-layer structure tray, the provided stacking limit grooves, downward extension hollow columns and feet facilitate the limitation during stacking of the trays, and improve the stability during multi-layer stacking.

[0018] 2. For this high-strength multi-layer structure tray, the provided upper injection molded support plate and lower injection molded housing are detachably connected. It is convenient to disassemble the upper injection molded support plate for separate replacement, reducing the use cost.

[0019] 3. For this high-strength multi-layer structure tray, through the provided concave block, it is convenient to fork up the tray by an external forklift. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a high-strength multi-layer structure tray of the present utility model.

[0021] Figure 2 It is a schematic exploded view of the structure of a high-strength multi-layer structure tray of the present utility model.

[0022] Figure 3 It is a schematic diagram of the bottom structure of the upper injection molded support plate in a high-strength multi-layer structure tray of the present utility model.

[0023] Figure 4 It is a schematic diagram of the bottom structure of the lower injection molded housing in a high-strength multi-layer structure tray of the present utility model.

[0024] In the figure: 1. Lower injection molded housing; 2. Upper injection molded support plate; 3. Stacking limit groove; 4. Connecting bolt; 5. Reinforcing rib plate; 6. Weight reduction hole; 7. Support connecting column; 8. First bolt hole; 9. Downward extension hollow column; 10. Second bolt hole; 11. Foot; 12. Concave block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] This embodiment is a high-strength multi-layer structure tray.

[0027] As Figures 1-4 shown, it includes a lower injection-molded housing 1. An upper injection-molded tray 2 is arranged on the outer surface of the upper end of the lower injection-molded housing 1. Four corners of the outer surface of the lower end of the lower injection-molded housing 1 are fixedly installed with support feet 11. Four corners of the inner cavity bottom of the lower injection-molded housing 1 are fixedly installed with support connection columns 7. A first bolt hole 8 is opened on the outer surface of the upper end of the support connection column 7. Four corners of the outer surface of the upper end of the upper injection-molded tray 2 are opened with stacking limit grooves 3. A lower extension hollow column 9 is arranged below the stacking limit grooves 3. Four corners of the outer surface of the lower end of the lower extension hollow column 9 are opened with second bolt holes 10. A connection bolt 4 is arranged between the upper injection-molded tray 2 and the lower injection-molded housing 1.

[0028] The lower extension hollow column 9 and the upper injection-molded tray 2 are integrally injection-molded; the stacking limit grooves 3 communicate with the lower extension hollow column 9; the outer wall of the support feet 11 in one set of trays is inserted between the stacking limit grooves 3 and the lower extension hollow column 9 in another set of trays; the connection bolt 4 is threadedly connected between the second bolt hole 10 and the first bolt hole 8; reinforcing rib plates 5 are fixedly installed on the left and right sides of the inner cavity of the lower injection-molded housing 1. A weight-reducing hole 6 is opened on the outer surface of one side of the reinforcing rib plate 5. A concave block 12 is fixedly installed on the outer surface of the lower end of the upper injection-molded tray 2.

[0029] It should be noted that the present utility model is a high-strength multi-layer structure tray. When connecting the arranged lower injection-molded housing 1 and the upper injection-molded tray 2, place the upper injection-molded tray 2 on the outer surface of the upper end of the lower injection-molded housing 1. At this time, the outer surface of the lower end of the lower extension hollow column 9 is located on the outer surface of the upper end of the support connection column 7, and the outer surface of the lower end of the upper injection-molded tray 2 is located on the outer surface of the upper end of the reinforcing rib plate 5. Then threadedly connect the connection bolt 4 between the second bolt hole 10 and the first bolt hole 8, thereby completing the connection between the upper injection-molded tray 2 and the lower injection-molded housing 1, making it convenient to disassemble between the upper injection-molded tray 2 and the lower injection-molded housing 1, facilitating the replacement of the upper injection-molded tray 2 alone and reducing the use cost; through the arranged reinforcing rib plates 5, it is convenient to support the upper injection-molded tray 2 and improve the load-bearing capacity of the upper injection-molded tray 2; when it is necessary to stack the trays in multiple layers, insert the support feet 11 at the lower part of one set of trays into the stacking limit grooves 3 at the upper part of another set of trays to play a limiting role and improve the stability during multi-layer stacking; through the arranged concave block 12, it is convenient to fork up the tray by an external forklift.

[0030] It should be noted that in this text, relational terms such as first and second (No. 1, No. 2, etc.) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0031] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the description in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A high-strength multi-layer structural tray, comprising an injection-molded lower housing (1), characterized in that: An upper injection molding support plate (2) is provided on the outer surface of the upper end of the lower injection molding housing (1). Legs (11) are fixedly installed at the four corners of the outer surface of the lower end of the lower injection molding housing (1). Support connection columns (7) are fixedly installed at the four corners of the bottom of the inner cavity of the lower injection molding housing (1). First bolt holes (8) are provided on the outer surface of the upper end of the support connection columns (7). Stacking limit grooves (3) are provided at the four corners of the outer surface of the upper end of the upper injection molding support plate (2). A downward-extending hollow column (9) is provided below the stacking limit grooves (3). Second bolt holes (10) are provided at the four corners of the outer surface of the lower end of the downward-extending hollow column (9). A connection bolt (4) is provided between the upper injection molding support plate (2) and the lower injection molding housing (1).

2. The high-strength multi-layer structure tray according to claim 1, wherein: The downward-extending hollow column (9) and the upper injection molding support plate (2) are integrally injection molded.

3. The high-strength multi-layer structure tray according to claim 2, characterized in that: The stacking limit grooves (3) communicate with the downward-extending hollow column (9).

4. The high-strength multi-layer structure tray according to claim 3, characterized in that: The outer wall of the legs (11) in one set of trays is inserted between the stacking limit grooves (3) and the downward-extending hollow column (9) in another set of trays.

5. The high-strength multi-layer structural tray according to claim 4, characterized in that: The connection bolt (4) is threadedly connected between the second bolt hole (10) and the first bolt hole (8).

6. The high-strength multi-layer structure tray according to claim 5, characterized in that: Reinforcing rib plates (5) are fixedly installed on the left and right sides of the inner cavity of the lower injection molding housing (1). Weight-reducing holes (6) are provided on the outer surface of one side of the reinforcing rib plates (5). Concave blocks (12) are fixedly installed on the outer surface of the lower end of the upper injection molding support plate (2).

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