Cargo box bottom plate longitudinal and transverse beam convenient to install and maintain
Through the bolted connection design, the problem of installation and maintenance of vertical and cross beams of traditional cargo box base plates is solved, convenient replacement and structural strength are achieved, and service life is extended.
Patent Information
- Application Number
- CN202422826397.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The installation and maintenance of traditional cargo box base vertical and cross beams is difficult, and the damaged beam cannot be replaced quickly, which affects the service life.
The vertical and cross beam design is adopted in the form of bolted connection. The cross beam is bolted to the inner and outer surfaces of the longitudinal beam through the connecting parts, expanding the stress area, and the cross beam is spaced and fixed with threaded holes.
It realizes convenient installation and maintenance, extends the service life of longitudinal and cross beams, and enhances structural strength.
Smart Images

Figure CN223224420U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile cargo box bottom plates, and more particularly relates to a longitudinal and transverse beam of a cargo box bottom plate which is easy to install and maintain. Background Art
[0002] The longitudinal and transverse beams of a truck's cargo floor are a crucial component of its structure. They provide the primary load-bearing capacity, supporting the weight of the cargo and the various stresses encountered during travel. They enhance the structural stability of the cargo floor, helping to maintain its shape and size and prevent deformation during use. When loaded, the beams distribute pressure over a wider area, reducing localized stress on the floor and preventing damage from uneven loading. By strengthening the cargo floor's structure, they contribute to improved durability and service life. These beams are crucial components of a truck's cargo box, and their design and manufacturing techniques have long been a focus of attention in the automotive industry. Traditional manufacturing processes for these beams include angle steel welding and rectangular tube welding. However, welded beams are difficult to install and disassemble, challenging to repair, and hindering the rapid replacement of damaged beams.
[0003] Therefore, how to provide a longitudinal and transverse beam of the cargo box floor that is easy to install and maintain is a problem that needs to be solved urgently by those skilled in the art. Utility Model Content
[0004] In view of this, the utility model provides a longitudinal and transverse beam of the cargo box floor that is easy to install and maintain. The longitudinal and transverse beams of the cargo box floor of the utility model all adopt a bolted connection form, which is easy to install and maintain. No matter which beam needs to be replaced, it is only necessary to remove the corresponding beam without the need for overall disassembly. At the same time, the force-bearing area of the longitudinal and transverse beams is expanded, and the service life is extended.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A cargo box floor longitudinal and transverse beam that is easy to install and maintain, comprising: a longitudinal beam A, a longitudinal beam B, a transverse beam A, a transverse beam B and connecting pieces; the number of the transverse beams A and the transverse beam B is multiple, the number of the connecting pieces is multiple, one end of the transverse beam A passes through the longitudinal beam A and is bolted to the outer surface of the longitudinal beam A through the connecting piece, the other end passes through the longitudinal beam B and is bolted to the outer surface of the longitudinal beam B through the connecting piece, one end of the transverse beam B is bolted to the inner surface of the longitudinal beam A through the connecting piece, and the other end is bolted to the inner surface of the longitudinal beam B through the connecting piece, and the transverse beam A and the transverse beam B are arranged at intervals.
[0007] Furthermore, the upper surface of the cross beam B is on the same horizontal plane as the upper surfaces of the longitudinal beams A and B.
[0008] Furthermore, the cross section of the connecting member is L-shaped, and a plurality of first threaded holes are formed on the connecting member.
[0009] Furthermore, square tube holes are provided on the inner and outer surfaces of the longitudinal beam A and the inner and outer surfaces of the longitudinal beam B, second threaded holes are provided on the outer surfaces of the longitudinal beam A and the longitudinal beam B on both sides of the square tube holes, and a third threaded hole is provided on the crossbeam A. One end of the crossbeam A passes through the square tube hole on the longitudinal beam A, and the other end passes through the square tube hole on the longitudinal beam B.
[0010] Furthermore, a fourth threaded hole is provided on the inner surface of the longitudinal beam A and the longitudinal beam B, and a fifth threaded hole is provided on the cross beam B.
[0011] The beneficial effects of the present invention are:
[0012] The utility model has a simple structure and is easy to use. One end of the crossbeam A is bolted to the outer surface of the longitudinal beam A, and the other end is bolted to the outer surface of the longitudinal beam B. When the vehicle is turning, centrifugal force will be generated, and the heavy objects in the car will also generate outward force acting on the longitudinal and transverse beams. The connection method of the crossbeam A with the longitudinal beams A and B in the utility model can effectively relieve the tension acting thereon. At the same time, by providing the crossbeam B and bolting its two ends to the inner surfaces of the two longitudinal beams, the strength of the entire longitudinal and transverse beams is further reinforced. As a result, the longitudinal and transverse beams of the cargo box floor of the utility model all adopt a bolted connection form, which is easy to install and maintain. No matter which crossbeam needs to be replaced, it is only necessary to remove the corresponding crossbeam without the need for overall disassembly. At the same time, the force-bearing area of the longitudinal and transverse beams is expanded, and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.
[0014] Figure 1 It is a structural diagram of the present utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the connection between the crossbeam A and the longitudinal beam of the utility model.
[0016] Figure 3 This is a schematic structural diagram of the outer surface of the crossbeam A and longitudinal beam B of the present invention.
[0017] Figure 4 This is a schematic diagram of the structure of the connection between the crossbeam B and the longitudinal beam of the present invention.
[0018] Figure 5 This is a schematic structural diagram of the inner surface of the crossbeam A and longitudinal beam B of the present invention.
[0019] Figure 6 This is a structural diagram of the connecting piece of the utility model.
[0020] Figure 7 This is a schematic structural diagram of the crossbeam A of the present invention.
[0021] Figure 8 This is a schematic structural diagram of the crossbeam B of the present invention.
[0022] Among them, in the figure:
[0023] 1-longitudinal beam A; 2-longitudinal beam B; 3-cross beam A; 4-cross beam B; 5-square tube hole; 6-second threaded hole; 7-fourth threaded hole; 8-connecting piece; 9-first threaded hole; 10-third threaded hole; 11-fifth threaded hole. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] Please see the attached Figure 1-8 The utility model provides a longitudinal and transverse beam of a cargo box floor which is easy to install and maintain, comprising: a longitudinal beam A1, a longitudinal beam B2, a transverse beam A3, a transverse beam B4 and a connecting piece 8; the number of the transverse beams A3 and the transverse beam B4 are both multiple, and the number of the connecting pieces 8 is multiple, one end of the transverse beam A3 passes through the longitudinal beam A1 and is bolted to the outer surface of the longitudinal beam A1 through the connecting piece 8, and the other end passes through the longitudinal beam B2 and is bolted to the outer surface of the longitudinal beam B2 through the connecting piece 8. One end of the transverse beam B4 is bolted to the inner surface of the longitudinal beam A1 through the connecting piece 8, and the other end is bolted to the inner surface of the longitudinal beam B2 through the connecting piece 8. The transverse beam A3 and the transverse beam B4 are arranged at intervals, and each bolt connection between the transverse beam A3 and the longitudinal beam A1 and the longitudinal beam B2 and each bolt connection between the transverse beam B4 and the longitudinal beam A1 and the longitudinal beam B2 includes two connecting pieces 8, and the positions of the two connecting pieces 8 are symmetrical about the vertical direction, so that the overall force of the longitudinal and transverse beams is balanced.
[0026] In another embodiment, the upper surface of the crossbeam B4 is on the same horizontal plane as the upper surfaces of the longitudinal beams A1 and B2, thereby expanding the force-bearing area of the upper surface. The cargo box is jointly supported by the longitudinal beams A1, B2 and crossbeam B4, thereby extending the service life of the longitudinal and crossbeams.
[0027] In another embodiment, the cross section of the connecting member 8 is L-shaped, and a plurality of first threaded holes 9 are provided on the connecting member 8 . Each side of the L-shaped connecting member 8 has two first threaded holes 9 along the vertical direction.
[0028] In another embodiment, square tube holes 5 are provided on the inner and outer surfaces of the longitudinal beam A1 and the inner and outer surfaces of the longitudinal beam B2, second threaded holes 6 are provided on the outer surfaces of the longitudinal beam A1 and the longitudinal beam B2 on both sides of the square tube holes 5, and a third threaded hole 10 is provided on the cross beam A3. One end of the cross beam A3 passes through the square tube hole 5 on the longitudinal beam A1, and the other end passes through the square tube hole 5 on the longitudinal beam B2. In the solution of the present utility model, bolts are sequentially passed through the first threaded hole 9 on the connecting member 8 and the threaded holes on the cross beam and longitudinal beam to be fixed for bolting and fixing.
[0029] In another embodiment, a fourth threaded hole 7 is formed on the inner surface of the longitudinal beam A1 and the longitudinal beam B2, and a fifth threaded hole 11 is formed on the transverse beam B4.
[0030] The utility model has a simple structure and is easy to use. One end of the crossbeam A3 is bolted to the outer surface of the longitudinal beam A1, and the other end is bolted to the outer surface of the longitudinal beam B2. When the vehicle is turning, centrifugal force is generated, and the heavy objects in the car will also generate outward force acting on the longitudinal and transverse beams. The connection method of the crossbeam A3 with the longitudinal beams A1 and B2 in the utility model can effectively relieve the tension acting thereon. At the same time, by providing the crossbeam B4 and bolting its two ends to the inner surfaces of the longitudinal beams A1 and B2, the strength of the entire longitudinal and transverse beams is further strengthened. Two sets of connecting parts 8 are used at each bolting position of the crossbeam A3 and the crossbeam B4 and the longitudinal beams A1 and B2, and the two sets of connecting parts are located on the same horizontal plane; thus, the longitudinal and transverse beams of the cargo box floor of the utility model all adopt a bolted connection form, which is easy to install and maintain. No matter which crossbeam needs to be replaced, only the corresponding crossbeam needs to be removed, and there is no need to disassemble the entire beam. At the same time, the force-bearing area of the longitudinal and transverse beams is expanded and the service life is extended.
[0031] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.
[0032] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A cargo box floor longitudinal and transverse beam that is easy to install and maintain, characterized in that: include: Longitudinal beam A (1), longitudinal beam B (2), cross beam A (3), cross beam B (4) and connecting member (8); the number of the cross beam A (3) and cross beam B (4) is multiple, the number of the connecting member (8) is multiple, one end of the cross beam A (3) passes through the longitudinal beam A (1) and is bolted to the outer surface of the longitudinal beam A (1) through the connecting member (8), and the other end passes through the longitudinal beam B (2) and is bolted to the outer surface of the longitudinal beam B (2) through the connecting member (8), one end of the cross beam B (4) is bolted to the inner surface of the longitudinal beam A (1) through the connecting member (8), and the other end is bolted to the inner surface of the longitudinal beam B (2) through the connecting member (8), and the cross beam A (3) and cross beam B (4) are arranged at intervals.
2. The longitudinal and transverse beams of the cargo box floor that are easy to install and maintain according to claim 1, characterized in that: The upper surface of the cross beam B (4) is located on the same horizontal plane as the upper surfaces of the longitudinal beam A (1) and the longitudinal beam B (2).
3. The longitudinal and transverse beams of the cargo box floor that are easy to install and maintain according to claim 1, characterized in that: The cross section of the connecting member (8) is L-shaped, and a plurality of first threaded holes (9) are provided on the connecting member (8).
4. The longitudinal and transverse beams of the cargo box floor that are easy to install and maintain according to claim 1, characterized in that: Square tube holes (5) are provided on the inner and outer surfaces of the longitudinal beam A (1) and the inner and outer surfaces of the longitudinal beam B (2), second threaded holes (6) are provided on the outer surfaces of the longitudinal beam A (1) and the longitudinal beam B (2) on both sides of the square tube holes (5), and a third threaded hole (10) is provided on the cross beam A (3). One end of the cross beam A (3) passes through the square tube hole (5) on the longitudinal beam A (1), and the other end passes through the square tube hole (5) on the longitudinal beam B (2).
5. The longitudinal and transverse beams of the cargo box floor that are easy to install and maintain according to claim 1, characterized in that: A fourth threaded hole (7) is provided on the inner surface of the longitudinal beam A (1) and the longitudinal beam B (2), and a fifth threaded hole (11) is provided on the transverse beam B (4).