Container bottom structure and container

Abstract

The application discloses a container bottom structure and a container. The container bottom structure comprises a bottom side beam, a rocker, a front end beam, a bottom cross beam and at least two floors; the rocker is connected to one end of the bottom side beam; the front end beam is parallel to the rocker and is connected to the other end of the bottom side beam; the bottom cross beam is parallel to the rocker and is located between the rocker and the front end beam along the length direction of the bottom side beam, and the end of the bottom cross beam is connected to the bottom side beam; the floor is arranged on the upper surface of the bottom cross beam along the length direction of the bottom side beam, the floor close to the rocker is a composite material floor, and the floor close to the composite material floor is a plywood along the length direction of the bottom side beam. Thus, the container floor adopts the partial composite material floor, the dependence on wood resources is reduced, and the service life of the floor at the door end is improved due to the good water resistance of the composite material and the difficulty in corrosion.

Description

Technical Field

[0001] This application relates to the field of containers, and more specifically to container bottom structures and containers. Background Technology

[0002] Containers are a core component of a globalized logistics and transportation system. The main structural materials of containers are wood and steel. International maritime and land transport require a significant amount of containers.

[0003] The container's bottom structure, including the frame and floor, is the load-bearing structure for cargo. Existing flooring is made of plywood. Plywood includes wood plywood and bamboo plywood. Although plywood is relatively inexpensive, it consumes a large amount of trees and forests, significantly impacting the ecological environment and being environmentally unfriendly. Furthermore, plywood resources are constrained, and its cost and supply fluctuate greatly, affecting normal production.

[0004] To address these issues, this application provides a container bottom structure and a container to at least partially solve the aforementioned problems. Summary of the Invention

[0005] The summary section introduces a series of simplified concepts, which will be further explained in detail in the detailed embodiments section. This summary section is not intended to limit the key features and essential technical features of the claimed technical solutions, nor is it intended to determine the scope of protection of the claimed technical solutions.

[0006] To at least partially solve the above-mentioned technical problems, this application provides a container bottom structure, comprising:

[0007] Bottom side beam;

[0008] Threshold, the threshold is perpendicular to the bottom side beam, and the threshold is connected to one end of the bottom side beam;

[0009] The front beam is parallel to the sill and connects to the other end of the bottom side beam.

[0010] The bottom crossbeam is parallel to the sill and runs along the length of the bottom side beam. The bottom crossbeam is located between the sill and the front beam, and the end of the bottom crossbeam is connected to the bottom side beam.

[0011] At least two types of flooring are provided. The flooring is laid on the upper surface of the bottom crossbeam along the length of the bottom side beam. The flooring closest to the threshold is composite flooring, and the flooring closest to the composite flooring along the length of the bottom side beam is plywood.

[0012] According to the container bottom structure of this application, along the length of the bottom side beam, the composite material floor is adjacent to the threshold, and the plywood is adjacent to one end of the composite material floor. Due to the use of composite material floor, the amount of plywood used is reduced, which is not only low-carbon and environmentally friendly, but also reduces the impact of plywood supply fluctuations on production. At the same time, the use of composite material floor in the container floor reduces the dependence on wood resources. Moreover, the composite material floor is set at the door end, and because composite materials have good water resistance and are not easily corroded, the service life of the door end floor is also improved.

[0013] Optionally, the composite flooring includes a layered structure, comprising at least an upper reinforcing layer, a lower reinforcing layer, and an intermediate base layer.

[0014] Optionally, the upper reinforcing layer comprises one of glass fiber and carbon fiber, and the lower reinforcing layer comprises one of glass fiber and carbon fiber.

[0015] The intermediate base layer is formed from a polymer resin, bamboo, wood, or a mixture of waste plastics.

[0016] Optionally, the composite floor includes a hybrid structure formed by mixing and distributing reinforcing materials in a matrix material, the reinforcing materials including one of glass fiber and carbon fiber, and the matrix material being one of polymer resins.

[0017] Optionally, the composite material floor includes a groove portion, the groove portion being provided with a weight-reducing groove, the opening of the weight-reducing groove being away from the upper surface of the composite material floor.

[0018] Optionally, the composite material floor includes multiple floor units, which are arranged sequentially along the length of the bottom crossbeam.

[0019] At least one of the multiple floor units includes a layered structure, and at least another of the multiple floor units includes a hybrid structure. Floor units including hybrid structures and floor units including layered structures are alternately arranged along the length of the bottom crossbeam.

[0020] At least one of the multiple floor units includes a recessed portion, and at least another of the multiple floor units includes a solid structure. Along the length of the bottom crossbeam, the floor unit including the solid structure is located in the middle of the container bottom structure, and the floor unit including the recessed portion is located to the side of the floor unit including the solid structure.

[0021] Optionally, along the length of the bottom crossbeam, one end of the composite floor abuts against a bottom side beam, and the other end of the composite floor abuts against another bottom side beam.

[0022] Optionally, the composite material floor includes multiple floor units arranged sequentially along the length of the bottom crossbeam. The floor unit located in the middle position along the length of the bottom crossbeam is the intermediate floor unit.

[0023] Along the length of the bottom beam, there is a gap between the middle position of the bottom beam and both ends of the middle floor unit, and / or

[0024] The plywood includes a first plywood and a second plywood. The first plywood and the second plywood are arranged and spliced ​​sequentially along the length of the bottom crossbeam. Along the length of the bottom crossbeam, there are gaps between the splicing positions of the first plywood and the second plywood and between the two ends of the intermediate floor unit.

[0025] Optionally, the composite material floor includes multiple floor units, which are arranged sequentially along the length of the bottom crossbeam.

[0026] Adjacent floor units are joined by steps, or

[0027] Adjacent floor units are spliced ​​together, and the lower surfaces of the adjacent ends of the adjacent floor units are recessed upward to form an installation notch. The bottom structure of the container also includes a support member, which extends along the length of the bottom side beam and overlaps with the bottom crossbeam. The support member is located within the installation notch.

[0028] Optionally, the composite material floor includes multiple floor units arranged sequentially along the length of the bottom crossbeam, with floor gaps between adjacent floor units. The container bottom structure also includes an intermediate component extending along the length of the bottom side beam, overlapping the bottom crossbeam, located within the floor gap, and with its upper surface flush with the upper surface of the composite material floor.

[0029] Optionally, the lower surfaces of adjacent floor units near each other are recessed upward to form an installation notch. The intermediate member includes a bottom wall, a vertical wall, and a top wall. The top wall is connected to the top of the vertical wall, the bottom wall is connected to the bottom of the vertical wall, the vertical wall abuts against the floor unit, and the bottom wall is located within the installation notch.

[0030] Optionally, the bottom crossbeam is made of high-strength steel, with a material strength ranging from 450 MPa to 650 MPa.

[0031] This application also provides a container, which includes the aforementioned container bottom structure.

[0032] According to the container of this application, the container includes the aforementioned container bottom structure. Along the length of the bottom side beam, a composite material floor is adjacent to the threshold, and a plywood is adjacent to one end of the composite material floor. Due to the use of composite material floor, the amount of plywood used is reduced, which is not only low-carbon and environmentally friendly, but also reduces the impact of plywood supply fluctuations on production. At the same time, the use of composite material floor in the container floor reduces the dependence on wood resources. Moreover, the composite material floor is set at the door end. Since composite materials have good water resistance and are not easily corroded, the service life of the door end floor is also improved. Attached Figure Description

[0033] To make the advantages of this application more readily apparent, the application briefly described above will be described in more detail with reference to the specific embodiments shown in the accompanying drawings. It is to be understood that these drawings depict only typical embodiments of this application and should not be considered as limiting its scope of protection. The application is described and explained with additional features and details through the drawings.

[0034] Figure 1 This is a top view of the container bottom structure according to the first preferred embodiment of this application;

[0035] Figure 2 for Figure 1 A front view of the container's bottom structure, excluding the bottom side beams;

[0036] Figure 3 for Figure 1 A cross-sectional view of the container's bottom structure at the composite material floor;

[0037] Figure 4 This is a cross-sectional schematic diagram of the container bottom structure at the composite material floor according to the second preferred embodiment of this application;

[0038] Figure 5 This is a top view of the container bottom structure according to the third preferred embodiment of this application;

[0039] Figure 6 for Figure 5 A cross-sectional view of the container's bottom structure at the composite material floor;

[0040] Figure 7 for Figure 6 A magnified view of part A;

[0041] Figure 8 This is a partially enlarged view of the joint of the composite material floor, which is a cross-sectional view of the container bottom structure according to the fourth preferred embodiment of this application at the composite material floor.

[0042] Figure 9This is a cross-sectional schematic diagram of the container bottom structure at the composite material floor according to the fifth preferred embodiment of this application;

[0043] Figure 10 for Figure 9 A magnified view of part B;

[0044] Figure 11 This is a top view of the container bottom structure according to the sixth preferred embodiment of this application;

[0045] Figure 12 for Figure 11 A cross-sectional view of the container's bottom structure at the composite material floor;

[0046] Figure 13 for Figure 12 A magnified view of a portion at point C; and

[0047] Figure 14 This is a cross-sectional view of the container bottom structure at the composite material floor according to the seventh preferred embodiment of this application.

[0048] Explanation of reference numerals in the attached figures

[0049] 110: Base frame; 111: Bottom side beam

[0050] 112: Threshold 113: Front Beam

[0051] 114: Bottom crossbeam 115: Corner fittings

[0052] 120: Plywood; 130: Composite material flooring

[0053] 131: Layered Part; 132: Upper Reinforcement Layer

[0054] 133: Lower Table Reinforcement Layer; 134: Intermediate Base Layer

[0055] 230: Composite material flooring; 330: Flooring unit

[0056] 331: Upper step section 332: Lower step section

[0057] 333: First plywood; 334: Second plywood

[0058] 430: Floor unit; 431: Installation notch

[0059] 440: Support component; 531: Solid floor unit

[0060] 532: Groove floor unit; 533: Groove section

[0061] 534: Weight reduction groove; 535: Side wall

[0062] 536: Bottom wall 537: Opening

[0063] 538: Upper surface of the grooved floor unit; 630: Floor unit

[0064] 631: Installation gap; 640: Intermediate component

[0065] 641: Bottom wall 642: Vertical wall

[0066] 643: Top wall; 731: Layered floor unit

[0067] 732: Groove Floor Unit Detailed Implementation

[0068] In the following description, numerous specific details are set forth to provide a more thorough understanding of this application. However, it will be apparent to those skilled in the art that embodiments of this application may be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described to avoid confusion with embodiments of this application.

[0069] The preferred embodiments of this application will now be described with reference to the accompanying drawings. It should be noted that the terms "upper," "lower," and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0070] In this document, ordinal numbers such as “first” and “second” used in this application are merely identifiers and do not have any other meaning, such as a specific order.

[0071] To fully understand the embodiments of this application, a detailed structure will be presented in the following description. Obviously, the implementation of the embodiments of this application is not limited to the specific details familiar to those skilled in the art. Preferred embodiments of this application are described in detail below; however, other embodiments may be available in addition to these detailed descriptions.

[0072] First Implementation Method

[0073] This application provides a container bottom structure. The container bottom structure includes a base frame 110 and a floor.

[0074] Please refer to Figures 1 to 3The base frame 110 includes bottom side beams 111, a front beam 113, a sill 112, and a bottom crossbeam 114. The length direction of the bottom side beams 111 is parallel to the length direction of the base frame 110. The length directions of the front beam 113, the bottom crossbeam 114, and the sill 112 are all parallel to the width direction of the base frame 110. There are two bottom side beams 111. The two bottom side beams 111 are spaced apart along the width direction of the base frame 110. The front beam 113 is connected to one end of the bottom side beams 111. The sill 112 is connected to the other end of the bottom side beams 111. Thus, the two bottom side beams 111, the front beam 113, and the sill 112 form a roughly rectangular frame.

[0075] The bottom crossbeam 114 is located between two bottom side beams 111. One end of the bottom crossbeam 114 is connected to one bottom side beam 111. The other end of the bottom crossbeam 114 is connected to the other bottom side beam 111. Along the length of the bottom side beams 111, the bottom crossbeam 114 is located between the sill 112 and the front beam 113. The container has a door at the sill 112.

[0076] Preferably, corner brackets 115 are also provided at the corners of the base frame 110. This facilitates the fixing and transportation of containers using this container base structure via the corner brackets 115.

[0077] Please refer to Figure 1 and Figure 2 The flooring is laid on the upper surface of the bottom crossbeam 114. The flooring is connected to the bottom crossbeam 114. Along the length of the bottom side beam 111, the flooring is located between the threshold 112 and the front beam 113. There are at least two types of flooring. The at least two types of flooring include plywood 120 and composite flooring 130. Composite flooring 130 is adjacent to the threshold 112. Plywood 120 and composite flooring 130 are adjacent to each other. Thus, along the length of the bottom side beam 111, plywood 120 and composite flooring 130 are arranged sequentially, with plywood 120 located on one side of composite flooring 130 immediately adjacent to the threshold 112.

[0078] Plywood 120 can be either wood plywood or bamboo plywood.

[0079] When loading and unloading goods into the container, the forklift exerts a large impact load on the sill 112 and the floor adjacent to it. Along the length of the bottom beam 111, adjacent to the sill 112 is the composite material floor 130. In other words, when loading and unloading goods into containers using this bottom structure, the impact load from the forklift is mainly borne by the sill 112 and the composite material floor 130. Since the composite material floor 130 has greater wear resistance and strength than plywood 120, it is less prone to damage, effectively extending its service life and reducing the frequency of maintenance for containers using this bottom structure. This is low-carbon, environmentally friendly, and in line with sustainable development.

[0080] In this embodiment, along the length of the bottom side beam 111, the composite material floor 130 is adjacent to the threshold 112, and the plywood 120 is adjacent to one end of the composite material floor 130. Due to the use of the composite material floor 130, the amount of plywood 120 used is reduced, which is not only low-carbon and environmentally friendly, but also reduces the impact of plywood 120 supply fluctuations on production. At the same time, the container floor uses part of the composite material floor, which reduces the dependence on wood resources. Moreover, the composite material floor 130 is set at the door end. Since the composite material has good water resistance and is not easy to corrode, it also improves the service life of the door end floor.

[0081] Preferably, such as Figure 3 As shown, the composite material floor 130 includes a layered portion 131. The layered portion 131 has a layered structure. The layered portion 131 includes an upper reinforcing layer 132, a lower reinforcing layer 133, and an intermediate base layer 134. Along the thickness direction of the composite material floor 130, the lower reinforcing layer 133 is located below the upper reinforcing layer 132. The composite material floor 130 overlaps to the bottom crossbeam 114 through the lower reinforcing layer 133. The intermediate base layer 134 is located between the upper reinforcing layer 132 and the lower reinforcing layer 133. The materials of the upper reinforcing layer 132 and the lower reinforcing layer 133 can both include high-strength composite materials. The material of the intermediate base layer 134 includes low-strength composite materials. Thus, the material strength of the upper reinforcing layer 132 and the lower reinforcing layer 133 are both greater than the material strength of the intermediate base layer 134. Thus, the composite material floor 130 is a layered solid structure. The cross-sectional shape of the composite material floor 130 is rectangular. The structure of the composite material floor 130 is simple.

[0082] Preferably, the high-strength composite material includes one of glass fiber and carbon fiber. That is, the upper reinforcing layer 132 is mainly formed (made) from one of glass fiber and carbon fiber. The lower reinforcing layer 133 includes one of glass fiber and carbon fiber. That is, the lower reinforcing layer 133 is mainly formed from one of glass fiber and carbon fiber.

[0083] Preferably, the low-strength composite material is at least one of the polymer resins. That is, the intermediate base layer 134 is molded from at least one of the polymer resins. More preferably, the polymer resin includes polyurethane, polypropylene, polyethylene, and polyvinyl chloride, etc.

[0084] It is understood that, in embodiments not shown, the low-strength composite material may also be molded from bamboo, wood, or a mixture of waste plastics (e.g., a mixture of waste polyethylene, polypropylene, etc.).

[0085] It is understood that, in embodiments not shown, the composite material flooring can also be constructed as a hollow structure. This results in a lighter and lower-cost composite material flooring.

[0086] Preferably, the composite material floor 130 is a single piece. Along the length of the bottom crossbeam 114, one end of the composite material floor 130 abuts against one bottom side beam 111, and the other end abuts against another bottom side beam 111. Thus, along the length of the bottom crossbeam 114, the composite material floor 130 extends from one bottom side beam 111 to another. This results in a smaller number of composite material floor 130s, facilitating installation.

[0087] Preferably, the bottom crossbeam 114 is a high-strength steel component made of high-strength steel. The material strength of the high-strength steel component ranges from 450 MPa to 650 MPa. The material strength is one of tensile strength, compressive strength, and shear strength. Therefore, the bottom crossbeam 114 has high strength.

[0088] Second Implementation Method

[0089] like Figure 4 As shown, in the second embodiment, the composite material floor 230 has a hybrid structure. The hybrid structure is composed of a composite material formed by mixing and molding multiple materials. The composite material is formed by mixing and molding a reinforcing material and a matrix material, such that the reinforcing material is mixed and distributed within the matrix material, thereby forming the composite material. The reinforcing material includes one of glass fiber and carbon fiber. The matrix material includes one of polymer resins.

[0090] The other settings of the second embodiment are largely the same as those of the first embodiment, and will not be described again here.

[0091] Third Implementation Method

[0092] like Figures 5 to 7 As shown, the composite floor has a hybrid structure. The composite floor includes multiple (e.g., three) floor units 330. These multiple floor units 330 are arranged sequentially along the length of the bottom crossbeam. The upper end of one of the adjacent floor units 330 extends and protrudes along the length of the bottom crossbeam to form an upper step portion 331 (another example of a step portion). The lower end of another adjacent floor unit 330 extends and protrudes along the length of the bottom crossbeam to form a lower step portion 332 (an example of a step portion). Adjacent floor units 330 are joined together via the upper step portion 331 and the lower step portion 332. Thus, the connection area of ​​adjacent floor units 330 is large, and the connection strength is high.

[0093] It should be noted that multiple floor units can be connected to form a single composite floor. Each floor unit can also stand alone as a composite floor.

[0094] Preferably, along the length of the bottom crossbeam, the floor unit 330 located in the middle position among the multiple floor units 330 is the middle floor unit. Along the length of the bottom crossbeam, there is a gap between the middle position of the bottom crossbeam and one end of the middle floor unit, and there is a gap between the middle position of the bottom crossbeam and the other end of the middle floor unit.

[0095] The plywood includes a first plywood 333 and a second plywood 334. The first plywood 333 and the second plywood 334 are arranged sequentially along the length of the bottom crossbeam. The first plywood 333 and the second plywood 334 are joined together. Along the length of the bottom crossbeam, the end of the first plywood 333 away from the second plywood 334 abuts against one bottom side beam, and the end of the second plywood 334 away from the first plywood 333 abuts against another bottom side beam. Thus, the intermediate floor unit spans the middle of the bottom crossbeam, and there is no seam at the middle position of the floor unit. The composite flooring at the middle position of the bottom crossbeam compensates for the insufficient strength at the joint between the first plywood 333 and the second plywood 334.

[0096] The joint between the first plywood 333 and the second plywood 334 is the plywood joint position. Along the length of the bottom crossbeam, there is a gap between the plywood joint position and one end of the intermediate floor unit, and a gap between the plywood joint position and the other end of the intermediate floor unit. Thus, the intermediate floor unit spans the plywood joint position, and there is no seam at the plywood joint position, allowing the composite flooring to compensate for any weakness in strength at that location.

[0097] It is understood that, in embodiments not shown, the composite floor includes at least five floor units. One of the two floor units located in the middle along the length of the bottom crossbeam is the intermediate floor unit. Therefore, the composite floor is numerous yet small in size, making it easy to produce and manufacture.

[0098] The other settings of the third embodiment are largely the same as those of the second embodiment, and will not be described again here.

[0099] Fourth Implementation Method

[0100] like Figure 8 As shown, adjacent floor units 430 are spliced ​​together. The lower surfaces of the adjacent floor units 430 near each other are recessed upwards to form an installation notch 431. The container bottom structure also includes a support member 440. The support member 440 is a plate. The length direction of the support member 440 extends along the length direction of the bottom side beam. The support member 440 overlaps and is welded to the bottom crossbeam. The support member 440 is located within the installation notch 431. Thus, the support member 440 can support the splicing position of the adjacent floor units 430 along the length direction of the bottom side beam, improving the strength of the splicing point of the adjacent floor units 430.

[0101] The other settings of the fourth embodiment are largely the same as those of the third embodiment, and will not be described again here.

[0102] Fifth Implementation Method

[0103] like Figure 9 and Figure 10 As shown, the floor unit includes a grooved floor unit 532 and a solid floor unit 531. The solid floor unit 531 includes a solid structure. The grooved floor unit 532 includes a groove portion 533. Along the length of the bottom crossbeam, the solid floor unit 531 is located in the middle of the container's bottom structure. The grooved floor unit 532 is located to the side of the solid floor unit 531. There are two grooved floor units 532. The grooved floor unit 532 and the solid floor unit 531 are joined together by a stepped portion. The method of joining by the stepped portion is roughly the same as in the third embodiment, and will not be described again here.

[0104] The recessed portion 533 is provided with a weight-reducing recess 534. The opening 537 of the weight-reducing recess 534 faces away from the upper surface 538 of the recessed floor unit. The upper surface 538 of the recessed floor unit is used to place goods. The weight-reducing recess 534 has side walls 535 and a bottom wall 536. The recessed floor unit 532 overlaps with the bottom crossbeam through the side walls 535 of the weight-reducing recess 534. Thus, while ensuring that the recessed floor unit 532 has a certain strength, the weight of the recessed floor unit 532 can be reduced, thereby reducing the cost of the recessed floor unit 532.

[0105] The other settings of the fifth embodiment are largely the same as those of the third embodiment, and will not be described again here.

[0106] Sixth Implementation Method

[0107] like Figures 11 to 13 As shown, there is a floor gap between adjacent floor units 630. The container bottom structure also includes an intermediate member 640. The intermediate member 640 extends along the length of the bottom side beam. The intermediate member 640 overlaps with the bottom crossbeam. The intermediate member 640 is located within the floor gap. The upper surface of the intermediate member 640 is flush with the upper surface of the composite floor.

[0108] The intermediate component 640 is a sheet metal part. The lower surfaces of adjacent floor units 630 near each other are recessed upwards to form mounting notches 631. The intermediate component 640 includes a bottom wall 641, vertical walls 642, and a top wall 643. There are two vertical walls 642, spaced apart along the length of the bottom crossbeam. The top wall 643 is connected to the top of the vertical walls 642. The upper surface of the top wall 643 forms the upper surface of the intermediate component 640. The bottom wall 641 is connected to the bottom of the vertical walls 642. The plane containing the bottom wall 641 is parallel to the plane containing the top wall 643. The bottom wall 641, vertical walls 642, and top wall 643 form a roughly Ω-shaped structure. The vertical walls 642 abut against the floor unit 630. The bottom wall 641 is located within the mounting notch 631. Thus, each floor unit can be installed to the bottom crossbeam separately, facilitating the installation of the composite floor.

[0109] The other settings of the sixth embodiment are largely the same as those of the third embodiment, and will not be described again here.

[0110] Seventh Implementation Method

[0111] Please refer to Figure 14 The floor unit includes a grooved floor unit 732 and a layered floor unit 731. Along the length of the bottom crossbeam, a grooved floor unit 732 is positioned between two layered floor units 731, and a layered floor unit 731 is positioned between two grooved floor units 732. Thus, the grooved floor units 732 and layered floor units 731 are arranged alternately. Along the length of the bottom crossbeam, grooved floor units 732 are provided on both sides of each layered floor unit 731.

[0112] The layered floor unit 731 includes a layered portion. The structure of the layered portion is substantially the same as that of the layered portion 131 in the first embodiment, and will not be described further here. The structure of the grooved floor unit 732 is substantially the same as that of the grooved floor unit 532 in the fifth embodiment, and will not be described further here. The grooved floor unit 732 is a hybrid material component. The material of the hybrid material component is the same as that of the hybrid material component in the second embodiment, and will not be described further here.

[0113] This application also provides a container. The container includes the aforementioned container bottom structure.

[0114] In this embodiment, along the length of the bottom side beam 111, the composite material floor 130 is adjacent to the threshold 112, and the plywood 120 is adjacent to one end of the composite material floor 130. Due to the use of the composite material floor 130, the amount of plywood 120 used is reduced, which is not only low-carbon and environmentally friendly, but also reduces the impact of plywood 120 supply fluctuations on production. At the same time, the container floor uses part of the composite material floor, which reduces the dependence on wood resources. Moreover, the composite material floor 130 is set at the door end. Since the composite material has good water resistance and is not easy to corrode, it also improves the service life of the door end floor.

[0115] This application has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative purposes only and are not intended to limit this application to the scope of the described embodiments. Furthermore, those skilled in the art will understand that this application is not limited to the above embodiments, and many more variations and modifications can be made based on the teachings of this application, all of which fall within the scope of protection claimed in this application. The scope of protection of this application is defined by the appended claims and their equivalents.

[0116] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for descriptive purposes only and is not intended to limit the scope of this application. Terms such as “component” as used herein may refer to a single part or a combination of multiple parts. Terms such as “installation” or “installation” as used herein may refer to a component being directly attached to another component or a component being attached to another component via an intermediary. A feature described in one embodiment herein may be applied, alone or in combination with other features, to another embodiment, unless that feature is not applicable in that other embodiment or is otherwise stated.

Claims

1. A container bottom structure, characterized in that, include: Bottom side beam; A threshold, the threshold being perpendicular to the bottom side beam, the threshold being connected to one end of the bottom side beam; A front beam, which is parallel to the threshold, is connected to the other end of the bottom side beam; A bottom crossbeam is parallel to the threshold and extends along the length of the bottom side beam. The bottom crossbeam is located between the threshold and the front beam, and its end is connected to the bottom side beam. At least two types of flooring, wherein the flooring is laid on the upper surface of the bottom crossbeam along the length of the bottom side beam, the flooring adjacent to the threshold is a composite material flooring, and the flooring adjacent to the composite material flooring along the length of the bottom side beam is plywood; The composite material floor includes multiple floor units, which are arranged sequentially along the length of the bottom crossbeam. The floor unit located in the middle position along the length of the bottom crossbeam is the intermediate floor unit. Along the length of the bottom crossbeam, there is a gap between the middle position of the bottom crossbeam and both ends of the intermediate floor unit, and the intermediate floor unit spans the middle position of the bottom crossbeam.

2. The container bottom structure according to claim 1, characterized in that, The composite material flooring includes a layered structure, comprising at least an upper reinforcing layer, a lower reinforcing layer, and an intermediate base layer.

3. The container bottom structure according to claim 2, characterized in that, The upper reinforcing layer comprises one of glass fiber and carbon fiber, and the lower reinforcing layer comprises one of glass fiber and carbon fiber. The intermediate base layer is formed from a polymer resin, bamboo, wood, or a mixture of waste plastics.

4. The container bottom structure according to claim 1, characterized in that, The composite flooring includes a hybrid structure, formed by mixing and distributing reinforcing materials in a matrix material. The reinforcing materials include one of glass fiber and carbon fiber, and the matrix material is one of polymer resins.

5. The container bottom structure according to claim 4, characterized in that, The composite material floor includes a groove portion, the groove portion being provided with a weight-reducing groove, the opening of the weight-reducing groove being away from the upper surface of the composite material floor.

6. The container bottom structure according to claim 1, characterized in that, At least one of the plurality of floor units includes a layered structure, and at least another of the plurality of floor units includes a hybrid structure. Along the length of the bottom crossbeam, the floor units including the hybrid structure and the floor units including the layered structure are alternately arranged, or... At least one of the plurality of floor units includes a recessed portion, and at least another of the plurality of floor units includes a solid structure. Along the length direction of the bottom crossbeam, the floor unit including the solid structure is located at the center of the container bottom structure, and the floor unit including the recessed portion is located to the side of the floor unit including the solid structure.

7. The container bottom structure according to claim 1, characterized in that, Along the length of the bottom crossbeam, one end of the composite material floor abuts against one of the bottom side beams, and the other end of the composite material floor abuts against another of the bottom side beams.

8. The container bottom structure according to claim 1, characterized in that, The plywood includes a first plywood and a second plywood. The first plywood and the second plywood are arranged and spliced ​​sequentially along the length of the bottom crossbeam. Along the length of the bottom crossbeam, there is a gap between the splicing position of the first plywood and the second plywood and between the two ends of the intermediate floor unit.

9. The container bottom structure according to claim 1, characterized in that, Adjacent floor units are joined by steps, or The adjacent floor units are spliced ​​together, and the lower surfaces of the adjacent floor units near each other are recessed upward to form an installation notch. The bottom structure of the container also includes a support member, the length of which extends along the length of the bottom side beam. The support member overlaps the bottom crossbeam and is located within the installation notch.

10. The container bottom structure according to claim 1, characterized in that, There is a floor gap between adjacent floor units, and the bottom structure of the container also includes an intermediate member. The length direction of the intermediate member extends along the length direction of the bottom side beam. The intermediate member overlaps with the bottom crossbeam. The intermediate member is located within the floor gap, and the upper surface of the intermediate member is flush with the upper surface of the composite material floor.

11. The container bottom structure according to claim 10, characterized in that, The lower surfaces of adjacent floor units near each other are recessed upward to form an installation notch. The intermediate member includes a bottom wall, a vertical wall, and a top wall. The top wall is connected to the top of the vertical wall, the bottom wall is connected to the bottom of the vertical wall, the vertical wall abuts against the floor unit, and the bottom wall is located within the installation notch.

12. The container bottom structure according to claim 1, characterized in that, The bottom crossbeam is made of high-strength steel, and the material strength of the high-strength steel ranges from 450MPa to 650MPa.

13. A container, characterized in that, The container includes the container bottom structure as described in any one of claims 1 to 12.

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