Composite fender structure of heavy truck

Abstract

The utility model provides a composite fender structure of a heavy truck, which comprises a fender body, the fender body comprises a carbon fiber composite substrate layer, a first functional layer and a second functional layer, the first functional layer comprises light high-strength steel and a sheet molding compound layer, and the second functional layer comprises light high-strength steel and a sheet molding compound layer. The second functional layer comprises a high-performance epoxy resin coating and a scratch-resistant and ultraviolet-resistant coating, and an air deflector is arranged on the front side of the fender body. The first functional layer comprising the light high-strength steel and the sheet molding compound layer is arranged, the light high-strength steel has high yield strength and tensile strength, external impact and collision can be effectively resisted, meanwhile, the impact resistance of the fender body can be remarkably improved, the internal carbon fiber composite substrate layer is protected against damage, and the service life of the fender body is prolonged. The sheet molding compound layer not only provides additional strength, but also can effectively isolate erosion of the external environment, and meanwhile, the lightweight characteristic of the sheet molding compound layer is beneficial to further reduction of the weight of the fender body.

Description

Technical Field

[0001] The utility model relates to a composite fender structure of a heavy truck, belonging to the technical field of heavy trucks. Background Art

[0002] Heavy-duty trucks are heavy equipment in the transportation industry. They have a strong load-carrying capacity and are often used in long-distance freight, engineering transportation and large-scale project construction. With high-performance engines, sturdy body structures and optimized suspension systems, they can operate stably under complex road conditions and meet various heavy-duty requirements. At the same time, with the development of technology, heavy-duty trucks have gradually incorporated intelligent and environmentally friendly elements, improving safety and energy efficiency, and are an indispensable key force in modern logistics.

[0003] Heavy truck accessories include fenders. The strength of the materials used for existing fenders may not meet the requirements of various complex environments and harsh road conditions encountered by heavy trucks in actual use, and they are prone to deformation, cracking, and even breakage. At the same time, they may not perform well in terms of corrosion resistance, insulation, heat resistance, and scratch resistance. They are easily affected by corrosion, temperature changes, scratches and other factors, shortening their service life.

[0004] Therefore, a composite fender structure for a heavy truck is proposed. Utility Model Content

[0005] In view of this, the utility model provides a composite fender structure for a heavy truck to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a composite fender structure of a heavy truck, including a fender body, the fender body including a carbon fiber composite base layer, a first functional layer and a second functional layer, the first functional layer including a lightweight high-strength steel and a sheet molding compound layer, and the second functional layer including a high-performance epoxy resin coating and an anti-scratch and anti-ultraviolet coating.

[0007] Further preferably, an air guide plate is arranged on the front side of the fender body, and an air guide groove is opened on the inner surface of the air guide plate.

[0008] Further preferably, the first functional layer is arranged on the outer surface of the carbon fiber composite base layer, and the second functional layer is arranged on the outer surface of the first functional layer.

[0009] Further preferably, the lightweight high-strength steel is arranged on the outer surface of the carbon fiber composite base layer, and the sheet molding compound layer is arranged on the outer surface of the lightweight high-strength steel.

[0010] Further preferably, the high-performance epoxy resin coating is disposed on the outer surface of the sheet molding compound layer, and the anti-scratch and anti-ultraviolet coating is disposed on the outer surface of the high-performance epoxy resin coating.

[0011] Further preferably, the high performance epoxy resin coating and the anti-scratch and anti-ultraviolet coating have the same thickness, and the thickness is 1.2 mm-1.4 mm.

[0012] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0013] 1. The utility model is provided with a first functional layer including a lightweight high-strength steel and a sheet molding compound layer, wherein the lightweight high-strength steel has a high yield strength and tensile strength, can effectively resist external impacts and collisions, and at the same time, can significantly improve the impact resistance of the fender body and protect the internal carbon fiber composite base layer from damage; the sheet molding compound layer not only provides additional strength, but also can effectively isolate the erosion of the external environment, and its lightweight characteristics help to further reduce the weight of the fender body.

[0014] 2. The utility model is provided with a second functional layer including a high-performance epoxy resin coating and an anti-scratch and anti-ultraviolet coating. The high-performance epoxy resin coating can provide excellent high-temperature resistance to ensure that the fender body maintains stable performance in a high-temperature environment. It also has good corrosion resistance to prevent the fender body from being corroded by external climate reasons. The anti-scratch and anti-ultraviolet coating can protect the fender body from damage caused by daily use and harsh environment, extend its service life, and maintain the lasting beauty of the vehicle appearance.

[0015] 3. The utility model can significantly enhance the strength of the fender body by providing a carbon fiber composite base layer, while reducing the overall weight, which helps to improve fuel economy. By providing an air guide plate and an air guide groove, a backward airflow can be generated during driving of the car, which can then dissipate heat for the wheel hub, thereby improving practicality.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;

[0019] Figure 2 This is a schematic diagram of the third perspective structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the air guide plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the fender body of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the first functional layer of the utility model;

[0023] Figure 6 This is a schematic diagram of the second functional layer structure of the utility model.

[0024] Figure numerals: 1. fender body; 11. carbon fiber composite base layer; 12. first functional layer; 1201. lightweight high-strength steel; 1202. sheet molding compound layer; 13. second functional layer; 1301. high-performance epoxy resin coating; 1302. anti-scratch and anti-ultraviolet coating; 2. air guide plate; 3. air guide groove. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] like Figure 1-6 As shown, an embodiment of the utility model provides a composite fender structure of a heavy-duty truck, including a fender body 1, the fender body 1 including a carbon fiber composite base layer 11, a first functional layer 12 and a second functional layer 13, the first functional layer 12 including a lightweight high-strength steel 1201 and a sheet molding compound layer 1202, the second functional layer 13 including a high-performance epoxy resin coating 1301 and an anti-scratch and anti-ultraviolet coating 1302, the first functional layer 12 is arranged on the outer surface of the carbon fiber composite base layer 11, the second functional layer 13 is arranged on the outer surface of the first functional layer 12, the lightweight high-strength steel 1201 is arranged on the outer surface of the carbon fiber composite base layer 11, and the sheet molding compound layer 1202 is arranged on the outer surface of the lightweight high-strength steel 1201.

[0029] By setting up a first functional layer 12 including a lightweight high-strength steel 1201 and a sheet molding compound layer 1202, wherein the lightweight high-strength steel 1201 has high yield strength and tensile strength, can effectively resist external impacts and collisions, and at the same time, can significantly improve the impact resistance of the fender body 1, and protect the internal carbon fiber composite base layer 11 from damage. The sheet molding compound layer 1202 not only provides additional strength, but also effectively isolates the erosion of the external environment. At the same time, its lightweight characteristics help to further reduce the weight of the fender body 1. By setting the carbon fiber composite base layer 11, the strength of the fender body 1 can be significantly enhanced, while the overall weight can be reduced, which helps to improve fuel economy.

[0030] Example 2

[0031] In one embodiment, an air guide plate 2 is provided on the front side of the fender body 1, an air guide groove 3 is opened on the inner surface of the air guide plate 2, a high-performance epoxy resin coating 1301 is provided on the outer surface of the sheet molding compound layer 1202, and an anti-scratch and anti-ultraviolet coating 1302 is provided on the outer surface of the high-performance epoxy resin coating 1301, and the thickness of the high-performance epoxy resin coating 1301 and the anti-scratch and anti-ultraviolet coating 1302 are consistent, and the thickness is 1.2mm-1.4mm.

[0032] By setting up a second functional layer 13 including a high-performance epoxy resin coating 1301 and an anti-scratch and anti-ultraviolet coating 1302, wherein the high-performance epoxy resin coating 1301 can provide excellent high temperature resistance, ensuring that the fender body 1 still maintains stable performance under high temperature environment, and also has good corrosion resistance to prevent the fender body 1 from being corroded by external climate reasons, the anti-scratch and anti-ultraviolet coating 1302 can protect the fender body 1 from damage caused by daily use and harsh environment, extend its service life, and maintain the lasting beauty of the vehicle appearance, and by setting the wind guide plate 2 and the wind guide groove 3, the car can generate backward wind flow during driving, and then the wheel hub can be cooled, thereby improving practicality.

[0033] When the utility model is working: by setting a first functional layer 12 including a lightweight high-strength steel 1201 and a sheet molding compound layer 1202, wherein the lightweight high-strength steel 1201 has a high yield strength and tensile strength, can effectively resist external impacts and collisions, and at the same time, can significantly improve the impact resistance of the fender body 1, and protect the internal carbon fiber composite base layer 11 from damage, the sheet molding compound layer 1202 not only provides additional strength, but also can effectively isolate the erosion of the external environment, and its lightweight characteristics help to further reduce the weight of the fender body 1, by setting a second functional layer 13 including a high-performance epoxy resin coating 1301 and an anti-scratch and anti-ultraviolet coating 1302, wherein the high-performance epoxy resin coating 1301 can provide excellent high temperature resistance, ensuring that the fender body 1 still maintains stable performance in a high temperature environment, and also has a good corrosion resistance effect, to prevent the fender body 1 from being corroded by external climate reasons, the anti-scratch and anti-ultraviolet coating 1302 can protect The fender body 1 is protected from damage caused by daily use and harsh environment, and its service life is extended, while the appearance of the vehicle is kept beautiful and durable. By setting the carbon fiber composite base layer 11, the strength of the fender body 1 can be significantly enhanced, while the overall weight is reduced, which helps to improve fuel economy. Through the coordination of the above structure, the five materials of the carbon fiber composite base layer 11, the lightweight high-strength steel 1201, the sheet molding compound layer 1202, the high-performance epoxy resin coating 1301 and the anti-scratch and anti-ultraviolet coating 1302 are used from the inside to the outside, which can significantly improve the strength and performance of the fender body 1. This multi-layer structure design not only improves the overall strength of the fender body 1, but also reduces the weight through lightweight materials, and improves fuel economy. At the same time, the anti-corrosion, insulation, heat resistance and scratch resistance characteristics further enhance the durability and beauty of the fender body 1. By setting the air guide plate 2 and the air guide groove 3, the car can generate a backward wind flow during driving, and then the wheel hub can be cooled, thereby improving practicality.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A composite fender structure for a heavy truck, characterized in that: The invention comprises a fender body (1), wherein the fender body (1) comprises a carbon fiber composite base layer (11), a first functional layer (12) and a second functional layer (13), wherein the first functional layer (12) comprises a lightweight high-strength steel (1201) and a sheet molding compound layer (1202), and the second functional layer (13) comprises a high-performance epoxy resin coating (1301) and an anti-scratch and anti-ultraviolet coating (1302).

2. The composite fender structure of a heavy truck according to claim 1, characterized in that: An air guide plate (2) is arranged on the front side of the fender body (1), and an air guide groove (3) is provided on the inner surface of the air guide plate (2).

3. The composite fender structure of a heavy truck according to claim 1, characterized in that: The first functional layer (12) is arranged on the outer surface of the carbon fiber composite base layer (11), and the second functional layer (13) is arranged on the outer surface of the first functional layer (12).

4. The composite fender structure of a heavy truck according to claim 1, characterized in that: The lightweight high-strength steel (1201) is arranged on the outer surface of the carbon fiber composite base layer (11), and the sheet molding compound layer (1202) is arranged on the outer surface of the lightweight high-strength steel (1201).

5. The composite fender structure of a heavy truck according to claim 1, characterized in that: The high-performance epoxy resin coating (1301) is arranged on the outer surface of the sheet molding compound layer (1202), and the anti-scratch and anti-ultraviolet coating (1302) is arranged on the outer surface of the high-performance epoxy resin coating (1301).

6. The composite fender structure of a heavy truck according to claim 1, characterized in that: The thickness of the high-performance epoxy resin coating (1301) and the anti-scratch and anti-ultraviolet coating (1302) are consistent, and the thickness is 1.2 mm-1.4 mm.

Images