Vehicle structural member and vehicle

Abstract

The utility model discloses a kind of vehicle structural member and vehicle, it is related to vehicle manufacturing technical field, vehicle structural member includes: woven structure, the woven structure includes at least one woven layer, each the woven layer includes multiple fiber woven strips and multiple metal woven strips, multiple the fiber woven strip and multiple the metal woven strip are interwoven into grid structure.According to the vehicle structural member of the utility model, strength, tenacity and impact resistance are good, the overall performance in practical application is excellent, can perform outstandingly in extreme condition and complex environment, and the application scene is extensive.

Description

Technical Field

[0001] This utility model relates to the field of vehicle manufacturing technology, and in particular to a vehicle structural component and a vehicle having the vehicle structural component. Background Technology

[0002] Carbon fiber has a wide range of applications in vehicle manufacturing, mainly due to its advantages such as lightweight, high strength, high stiffness, and good corrosion resistance. However, precisely because carbon fiber has high strength and high stiffness, it is relatively brittle and has poor toughness, making it susceptible to damage from external factors such as impacts and scratches. In some extreme collisions, when the material tears, the flying fibers can easily cause secondary injuries. Therefore, there is still room for improvement in vehicle structural components made of carbon fiber. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a vehicle structural component with good strength, toughness, and impact resistance, exhibiting excellent overall performance in practical applications. It performs well in extreme conditions and complex environments, making it applicable to a wider range of scenarios.

[0004] A vehicle structural component according to an embodiment of the present invention includes: a braided structure, the braided structure including at least one braided layer, each braided layer including a plurality of fiber braided strips and a plurality of metal braided strips, the plurality of fiber braided strips and the plurality of metal braided strips being interwoven to form a mesh structure.

[0005] According to the embodiments of the present invention, the vehicle structural component is made by interweaving multiple fiber braided strips and multiple metal braided strips into a mesh structure to form a braided layer. The vehicle structural component is made by including at least one braided layer in the braided structure, so that the vehicle structural component has the characteristics of lightweight, high strength, high rigidity and corrosion resistance of fiber, as well as the excellent mechanical strength and toughness of metal. This improves the strength, toughness and impact resistance of the vehicle structural component, and enhances the overall performance of the vehicle structural component in practical applications. This allows the vehicle structural component to perform well in extreme conditions and complex environments, and its application scenarios are more extensive.

[0006] According to some embodiments of the present invention, the vehicle structural component of the braided structure further includes an encapsulation body, wherein at least one of the braided layers is encapsulated within the encapsulation body.

[0007] According to some embodiments of the present invention, the vehicle structural component is made of thermosetting polymer and / or thermoplastic polymer.

[0008] According to some embodiments of the present invention, the vehicle structural component includes at least two braided layers, which are stacked and distributed along the thickness direction.

[0009] According to some embodiments of the present invention, the vehicle structural component is constructed as a cylindrical strip, and the diameter of the metal braided strip is D1, satisfying: 0.08mm≤D1≤1.0mm; and / or, the thickness of the braided structure is D2, satisfying: 0.5mm≤D2≤3.0mm.

[0010] According to some embodiments of the present invention, the material of the fiber braided strip is at least one of carbon fiber, quartz fiber, glass fiber, basalt fiber, aramid fiber, and ceramic fiber; and / or, the material of the metal braided strip is at least one of stainless steel, copper, titanium, aluminum, or alloy; and / or, the fiber type of the fiber braided strip is at least one of T300, T700, T800, T1000, T1100, and MJ60.

[0011] According to some embodiments of the present invention, in a vehicle structural component, the fiber braided strip extends along a first direction, and the metal braided strip extends along a second direction. The angle between the first direction and the second direction is A, and satisfies: 45°≤A≤90°.

[0012] According to some embodiments of the present invention, the fiber braided strip and the metal braided strip are in at least one of plain weave, twill weave, and satin weave in the vehicle structural component.

[0013] According to some embodiments of the present invention, in the vehicle structural component, the metal braided strip accounts for 2% to 20% of the volume of the braided structure.

[0014] According to some embodiments of the present invention, the vehicle structural component further includes a protective layer, which is stacked on one side of the woven structure.

[0015] According to some embodiments of the present invention, the protective layer of the vehicle structural component is a transparent layer; and / or the protective layer is made of epoxy resin material.

[0016] According to some embodiments of the present invention, the vehicle structural component includes a protective layer comprising a first protective layer and a second protective layer stacked together, wherein the first protective layer is connected to the woven structure and the second protective layer is located on the side of the first protective layer opposite to the woven structure.

[0017] According to some embodiments of the present invention, in the vehicle structural components, the first protective layer is painted with a polyurethane system or an epoxy system; and / or, the second protective layer is painted with a polyurethane system.

[0018] According to some embodiments of the present invention, the thickness of the first protective layer and the second protective layer is set to D3, and satisfies: 0.1mm≤D31≤2.0mm.

[0019] According to some embodiments of the present invention, the vehicle structural component further includes a fixing member connected to the side of the woven structure opposite to the protective layer, and the fixing member is used to connect to the component to be installed.

[0020] According to some embodiments of the present invention, the vehicle structural component is a detachable component and is used to detachably connect to the component to be installed.

[0021] This utility model also proposes a vehicle.

[0022] The vehicle according to the embodiments of the present invention includes the vehicle structural components described in any of the above embodiments.

[0023] The vehicle and the aforementioned vehicle structural components have the same advantages over the prior art, which will not be repeated here.

[0024] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0025] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0026] Figure 1 This is a cross-section of a vehicle structural member according to an embodiment of the present utility model. Figure 1 ;

[0027] Figure 2 This is a cross-section of a vehicle structural member according to an embodiment of the present utility model. Figure 2 ;

[0028] Figure 3 This is a cross-section of the braided structure according to an embodiment of the present invention. Figure 1 ;

[0029] Figure 4 This is a cross-section of the braided structure according to an embodiment of the present invention. Figure 2 ;

[0030] Figure 5 This is a schematic diagram of the structure of the braided layer according to some embodiments of the present invention;

[0031] Figure 6This is a schematic diagram of the structure of the woven layer according to other embodiments of the present invention.

[0032] Figure label:

[0033] Vehicle structural component 100,

[0034] Braided structure 1, braided layer 11, fiber braided strip 111, metal braided strip 112, encapsulation body 12.

[0035] Protective layer 2, first protective layer 21, second protective layer 22,

[0036] Fastener 3. Detailed Implementation

[0037] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0038] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] Unless otherwise specified, the front-back direction in this application refers to the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction refers to the lateral direction of the vehicle, i.e., the Y direction; and the up-down direction refers to the vertical direction of the vehicle, i.e., the Z direction.

[0041] The following is for reference. Figures 1-6 The vehicle structural component 100 according to an embodiment of the present utility model has good strength, toughness and impact resistance, and excellent overall performance in practical applications. It can perform well in extreme conditions and complex environments, and is applicable to a wider range of scenarios.

[0042] like Figures 1-6 As shown, a vehicle structural component 100 according to an embodiment of the present invention includes: a woven structure 1.

[0043] The braided structure 1 includes at least one braided layer 11, each braided layer 11 including a plurality of fiber braided strips 111 and a plurality of metal braided strips 112, the plurality of fiber braided strips 111 and the plurality of metal braided strips 112 interwoven to form a mesh structure.

[0044] Specifically, the braided structure 1 may include one, two, three or more braided layers 11, and each braided layer 11 may include two, three or more fiber braided strips 111 and two, three or more metal braided strips 112. The fibers themselves have the characteristics of high strength, high modulus, lightweight and corrosion resistance, which can effectively improve the structural strength of the braided structure 1 and reduce the weight of the braided structure 1, thereby improving the structural strength and rigidity of the vehicle structural component 100, reducing the weight of the vehicle structural component 100, improving the durability of the vehicle structural component 100, and thus facilitating the lightweighting of the vehicle and improving the safety of the vehicle.

[0045] The metal braided strip 112 possesses excellent toughness, ductility, and mechanical properties. Incorporating the metal braided strip 112 into the braided structure 1 allows it to function as a load-bearing structure, dispersing and transferring stress under load, thereby enhancing the impact resistance of the vehicle structural component 100. Furthermore, the combination of the metal braided strip 112 and the fiber braided strip 111 forms a complex mechanical structure, further strengthening the mechanical strength of the braided structure 1. This enables the braided structure 1 to perform exceptionally well under high loads and complex stress environments, resulting in a lightweight composite material with excellent mechanical and durability properties. Ultimately, this improves the overall strength and toughness of the vehicle structural component 100, allowing it to exhibit superior strength and toughness performance.

[0046] Thus, the vehicle structural component 100 retains the high strength characteristics of fibers while enhancing the overall toughness and impact resistance through the use of metal, thereby improving the overall performance of the vehicle structural component 100 in practical applications.

[0047] Furthermore, multiple fiber braided strips 111 and multiple metal braided strips 112 are interwoven to form a mesh structure. That is, multiple fiber braided strips 111 and multiple metal braided strips 112 extend, interweave, and wrap together according to the weaving process to form a three-dimensional mesh structure with multiple gaps. In this way, multiple fiber braided strips 111 and multiple metal braided strips 112 form multiple force-bearing units. Multiple force-bearing units share the load, which enables the braided structure 1 to withstand greater external forces, thereby enhancing its load-bearing capacity. It also makes the fiber braided strips 111 and the metal braided strips 112 more tightly bonded, restricting the relative movement between the fiber braided strips 111 and the metal braided strips 112, improving the stability of the braided structure 1, and enhancing the overall resistance of the structure to deformation and damage. Moreover, the mesh structure allows the metal braided strips 112 to be evenly distributed throughout the entire structure, thereby enhancing the overall mechanical strength of the braided structure 1 and avoiding stress concentration. By setting multiple braided layers 11, the strength, toughness and impact resistance of the braided structure 1 can be improved, thereby further enhancing the strength, toughness and impact resistance of the vehicle structural component 100 and making the overall performance of the vehicle structural component 100 better.

[0048] Furthermore, by simultaneously adding fiber braided strips 111 and metal braided strips 112 to the braided structure 1, the vehicle structural component 100 can simultaneously possess fiber texture and metal texture and luster, thereby enabling the vehicle structural component 100 to simultaneously possess the texture and luster of metal and fiber texture, which can enhance the visual effect of the vehicle structural component 100.

[0049] It should also be noted that, due to the inherent differences between fiber materials and metal materials, the mesh structure formed by the interlacing of multiple fiber braided strips 111 and multiple metal braided strips 112 also has unique vibration reduction characteristics. Thus, the vehicle structural component 100 of this application also has a vibration reduction effect, which can improve the vibration reduction performance of the vehicle. Since the metal braided strips 112 are lightweight, they will not increase the weight of the vehicle structural component 100.

[0050] In practical design, multiple fiber braided strips 111 and multiple metal braided strips 112 can be woven into a braided layer 11 using either machine weaving or knitting techniques. Different weaving methods and material choices will result in different structural strengths and variations in appearance and texture. The braided layer 11 has a woven texture, and during the weaving process, the weaving density can be adjusted to change the appearance and texture of the braided layer 11, thereby altering the appearance of the vehicle structural component 100. This allows for the adjustment and modification of the vehicle structural component 100's appearance, resulting in different visual effects. It should be understood that different weaving processes and parameters will result in different appearance and textures for the braided layer 11.

[0051] According to the embodiment of the present invention, the vehicle structural component 100 is made by interlacing multiple fiber braided strips 111 and multiple metal braided strips 112 into a mesh structure to form a braided layer 11. The vehicle structural component 100 is made by including at least one braided layer 11 in the braided structure 1, so that the vehicle structural component 100 has the characteristics of lightweight, high strength, high rigidity and corrosion resistance of fiber, as well as the excellent mechanical strength and toughness of metal. This improves the strength, toughness and impact resistance of the vehicle structural component 100, and enhances the overall performance of the vehicle structural component 100 in practical applications. This allows the vehicle structural component 100 to perform well in extreme conditions and complex environments, and has a wider range of applications.

[0052] In some embodiments, the braided structure 1 further includes an encapsulation body 12, in which at least one braided layer 11 is encapsulated.

[0053] Specifically, the mesh structure formed by the interweaving of multiple fiber braided strips 111 and multiple metal braided strips 112 has complex interconnected pores. By encapsulating the braided layer 11 within the encapsulation body 12, these pores can be filled, allowing the multiple fiber braided strips 111 and multiple metal braided strips 112 to be better integrated into a whole structure, preventing deformation and misalignment. Pores are also formed between the multiple braided layers 11, and these pores can also be filled by the encapsulation body 12, thereby forming a whole structure between the multiple braided layers 11 and preventing misalignment between the multiple braided layers 11.

[0054] The encapsulation body 12 is also integrated with one or more braided layers 11 into a single structure, which encapsulates and seals the one or more braided layers 11. This makes the multiple fiber braided strips 111 and the multiple metal braided strips 112 more tightly bonded, as well as the multiple braided layers 11 more tightly bonded. This achieves the structural integration of the encapsulation body 12 with one or more braided layers 11, making the braided structure 1 a stable whole structure. Consequently, the vehicle structural component 100 becomes a one-piece structure, giving the vehicle structural component 100 high strength and toughness, and enhancing the stability and reliability of the vehicle structural component 100.

[0055] It should be noted that, since the pores of the mesh structure are interconnected, the package 12 can form a mesh-like mating structure that matches the pores of the mesh structure, making the package 12 a continuous structure. This makes the mesh structure of the package 12 more tightly bonded to the mesh-like mating structure of the braided layer 11, thereby enabling the braided layer 11 and the package 12 to form a stable integrated structure. In other words, the braided layer 11 can be more stably encapsulated within the package 12, preventing the formation of pores in the braided structure 1.

[0056] In some embodiments, the encapsulation body 12 is made of thermosetting polymer and / or thermoplastic polymer.

[0057] In other words, the encapsulation body 12 can be made of thermosetting polymer material alone, or it can be made of thermoplastic polymer material alone, or it can be made of both thermosetting polymer material and thermoplastic polymer material at the same time. It is flexible and can be set according to actual needs.

[0058] The thermosetting polymer material can be epoxy resin, acrylic resin, phenolic resin, polyimide, etc. Different types of thermosetting polymer materials can be used alone to make the encapsulation body 12, or they can be used in combination to make the encapsulation body 12. After curing, the thermosetting polymer material forms a three-dimensional network structure, and the molecular chains are tightly connected by chemical bonds, which gives the encapsulation body 12 high mechanical strength, enabling it to withstand greater external forces without damage, increasing the rigidity and durability of the encapsulation body 12. It is not easy to deform under stress, which helps to maintain shape stability. It can maintain good performance during long-term use and is not prone to aging, wear and other problems. In addition, the thermosetting polymer material has good heat resistance and solvent resistance, which allows the encapsulation body 12 to remain stable at high temperatures and in various chemical environments without serious deformation. Therefore, by making the encapsulation body 12 from thermosetting polymer materials, the strength, rigidity, durability and heat resistance of the encapsulation body 12 can be effectively improved, thereby making the vehicle structural component 100 stronger, stiffer and more stable.

[0059] The thermoplastic polymer materials can be polycarbonate, polyamide, polyethylene, polypropylene, polystyrene, etc. Different types of thermoplastic polymer materials can be used alone to make the encapsulation body 12, or they can be used in combination to make the encapsulation body 12. The resin molecular chains in thermoplastic polymer materials are linear or branched structures, and no chemical bonds are formed between the molecular chains. This makes thermoplastic polymer materials easy to process, flexible, impact-resistant, and have high specific strength. This allows the encapsulation body 12 to easily encapsulate the braided layer 11, which can further improve the strength, toughness, and impact resistance of the vehicle structural component 100. Therefore, by making the encapsulation body 12 from thermoplastic polymer materials, the strength, flexibility, and impact resistance of the encapsulation body 12 can be effectively improved, thereby making the vehicle structural component 100 have better strength, toughness, and impact resistance.

[0060] Furthermore, by using both thermosetting and thermoplastic polymers to make the encapsulation body 12, the properties of thermosetting and thermoplastic polymers can be complemented, allowing the encapsulation body 12 to possess the properties of both thermosetting and thermoplastic polymers. In other words, the encapsulation body 12 has both good flexibility and good rigidity, which improves the overall mechanical properties of the encapsulation body 12. At the same time, it can also improve the durability and processing performance of the encapsulation body 12.

[0061] Therefore, by combining the braided layer 11 with the encapsulation body 12 made of polymer material, a more complex mechanical structure can be formed, enabling the vehicle structural component 100 to exhibit superior strength and stiffness performance.

[0062] In some embodiments, the braided structure 1 includes at least two braided layers 11, which are stacked and distributed along the thickness direction.

[0063] In other words, the braided structure 1 may include two, three, four, or even more braided layers 11. Setting multiple braided layers 11 can further improve the strength and toughness of the braided structure 1, making the vehicle structural component 100 more stable and reliable as a whole. Among them, at least two braided layers 11 are stacked along the thickness direction, which makes it easier for the braided layers 11 to be tightly bonded together and reduces space occupation.

[0064] Specifically, such as Figure 1 and Figure 3 As shown, the braided structure 1 includes three braided layers 11, which are stacked and distributed along the thickness direction.

[0065] In some embodiments, the metal braided strip 112 is constructed as a cylindrical strip, and the diameter of the metal braided strip 112 is D1, satisfying: 0.08mm≤D1≤1.0mm.

[0066] In other words, the diameter D1 of the metal braided strip 112 can be set to 0.08mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, or other diameters within the range of 0.08mm to 1.0mm. It can be flexibly set according to actual needs and is not limited to the embodiment described herein.

[0067] Understandably, the metal braided strip 112 needs to transmit loads over long distances and withstand various loads and variable loads. The larger the D1 setting, the larger the diameter of the metal braided strip 112, i.e., the thicker the metal braided strip 112. Although this can improve the load-bearing capacity of the metal braided strip 112, it may result in a heavier overall weight of the braided structure 1. The smaller the D1 setting, the smaller the diameter of the metal braided strip 112, i.e., the thinner the metal braided strip 112. This may make it difficult to process the surface of the metal braided strip 112 and result in insufficient tensile strength, fatigue strength, and impact toughness of the braided structure 1.

[0068] Therefore, by setting the diameter D1 of the metal braided strip 112 within a reasonable range of 0.08 mm to 1.0 mm, it is possible to ensure that the braided structure 1 is lightweight, the surface of the metal braided strip 112 is easy to process, the quality of the metal braided strip 112 is controlled, and the metal braided strip 112 has sufficient strength and stability during use.

[0069] In other embodiments, the thickness of the braided structure 1 is D2, and satisfies: 0.5mm≤D2≤3.0mm.

[0070] In other words, the thickness D2 of the braided structure 1 can be set to 0.5mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm or other thicknesses between 0.5mm and 3.0mm, and can be flexibly set according to actual needs, and is not limited to the thickness described in this embodiment.

[0071] Understandably, a larger D2 setting results in a thicker braided structure 1, leading to higher strength and improved mechanical properties of the vehicle structural component 100. It also enhances the visual appeal of the fiber texture. However, a thicker braided structure 1 also increases its weight, impacting the overall weight of the vehicle structural component 100 and hindering its lightweight design. Furthermore, increased thickness also raises costs. Conversely, a smaller D2 setting results in a thinner braided structure 1, which, while reducing overall weight and cost, may compromise its strength, failing to effectively improve the mechanical properties of the vehicle structural component 100.

[0072] Therefore, by setting the thickness D2 of the braided structure 1 within the above-mentioned reasonable range, the strength of the braided structure 1 is effectively guaranteed, the mechanical properties of the vehicle structural component 100 can be effectively improved, the cost is reduced, the vehicle structural component 100 is made lighter, and the visual effect of the fiber texture is also better.

[0073] In some embodiments, the fiber braided strip 111 is made of at least one of carbon fiber, quartz fiber, glass fiber, basalt fiber, aramid fiber, and ceramic fiber.

[0074] In other words, the material of the fiber braided strip 111 can be selected from a single type of carbon fiber, quartz fiber, glass fiber, basalt fiber, aramid fiber, or ceramic fiber, or it can be selected to use two, three, four, or more combinations, offering flexibility. By combining fiber braided strips 111 of various materials, the properties of different fibers can complement each other, allowing the vehicle structural component 100 to take into account the properties of multiple fibers, resulting in superior overall performance.

[0075] Among them, carbon fiber has the characteristics of high strength and high modulus, low density and lightweight, and good high temperature resistance and corrosion resistance, which can effectively improve the strength, rigidity and deformation resistance of fiber braided strip 111, and help reduce the structural weight of fiber braided strip 111, so that fiber braided strip 111 has good stability; quartz fiber has high purity and high temperature resistance, good chemical stability and corrosion resistance, high strength and low thermal conductivity, thermal shock resistance and ablation resistance, which can effectively improve the heat resistance and structural stability of fiber braided strip 111; glass fiber has excellent mechanical properties, good temperature resistance, strong chemical stability, good processing performance and low cost, which can effectively improve the strength and durability of fiber braided strip 111, making fiber braided strip 111 easy to process and reducing manufacturing costs; basalt fiber has high strength and high modulus, excellent high temperature resistance, low moisture absorption, good chemical stability and corrosion resistance. The aramid fiber possesses excellent corrosion resistance and environmental friendliness, as well as good thermal insulation properties. It effectively enhances the strength, rigidity, and deformation resistance of the fiber braided strip 111, effectively insulates heat, and improves the environmental friendliness of the fiber braided strip 111. The aramid fiber also exhibits high strength and high modulus, high temperature resistance and flame retardancy, excellent chemical stability and corrosion resistance, low density and lightweight, excellent mechanical properties, good electrical insulation properties, and good radiation resistance. These properties effectively enhance the strength, rigidity, and deformation resistance of the fiber braided strip 111, improve its heat resistance and structural stability, and insulate against heat and radiation transfer. The ceramic fiber possesses high lightweight, high temperature resistance, low thermal conductivity, good chemical stability, good processing performance, good sound absorption properties, and good environmental friendliness. These properties effectively enhance the stability of the fiber braided strip 111, improve the sound absorption and insulation performance of the vehicle structural component 100, and make the fiber braided strip 111 easy to process and manufacture.

[0076] In other embodiments, the metal braided strip 112 is made of at least one of stainless steel, copper, titanium, aluminum, or an alloy.

[0077] In other words, the metal braided strip 112 can be made of a single material such as stainless steel, copper, titanium, aluminum, or alloy, or it can be made of two, three, four, or more materials in combination, offering flexibility. By combining metal braided strips 112 of various materials, the properties of different metals can complement each other, allowing the vehicle structural component 100 to take into account the properties of multiple metals, resulting in superior overall performance.

[0078] Stainless steel possesses corrosion resistance, high strength and hardness, high and low temperature resistance, easy processing, and recyclability, which can effectively improve the durability of the metal braided strip 112, enhance the strength and rigidity of the vehicle structural component 100, and reduce costs. Copper has good ductility and plasticity, strong corrosion resistance, good mechanical properties and processing, and is recyclable, which can effectively improve the mechanical properties of the vehicle structural component 100 and is easy to combine with other metal materials. Titanium has low density, high strength, high specific strength, strong corrosion resistance, good high and low temperature resistance, and low elastic modulus, which can effectively improve the strength and durability of the vehicle structural component 100, giving it high flexibility. Alloys can be ferroalloys (pig iron and steel), copper alloys (bronze, brass), aluminum alloys, etc. Alloys have high strength and hardness, good wear resistance and corrosion resistance, low melting point, easy processing and forming, and adjustable physical and chemical properties, which can make the manufacturing of the metal braided strip 112 easier and effectively improve the overall performance of the vehicle structural component 100.

[0079] In other embodiments, the fiber braided strip 111 has a fiber type of at least one of T300, T700, T800, T1000, T1100 and MJ60.

[0080] In other words, the fiber type of the fiber braided strip 111 can be selected as a single type of T300, T700, T800, T1000, T1100 and MJ60, or two, three, four or more types can be selected for combination, offering flexible options.

[0081] Among them, T300 has a tensile strength of approximately 3500 MPa, T700 approximately 4900 MPa, T800 approximately 5500 MPa, T1000 approximately 6370 MPa, and T1100 approximately 7000 MPa. The higher the number in the T series, the higher the tensile strength. Therefore, T1100 has the highest strength grade and can better improve the strength of vehicle structural components 100, but its cost is higher. T300 has a lower strength grade, which can better reduce costs, but its effect on improving the strength of vehicle structural components 100 is less significant. MJ60 is a high-modulus carbon fiber (M series represents modulus, such as M35J, M50J, and M60J), whose modulus is higher than that of the T series, and can effectively improve the stiffness and dimensional stability of vehicle structural components 100.

[0082] In some embodiments, the fiber braided strip 111 extends along a first direction, and the metal braided strip 112 extends along a second direction. The angle between the first direction and the second direction is A, and satisfies: 45°≤A≤90°.

[0083] In other words, the extension direction of the fiber braided strip 111 is different from the extension direction of the metal braided strip 112, so that the fiber braided strip 111 can be interwoven with the metal braided strip 112 to form a mesh structure. The included angle A between the first direction and the second direction can be set to 45°, 50°, 55°, 60°, 65°, 70°, 75°, 80°, 85°, 90° or other angles in the range of 45° to 90°. It can be flexibly set according to actual needs and is not limited to the embodiment described herein.

[0084] It is understandable that the angle A between the first and second directions is the weaving angle between the fiber braid 111 and the metal braid 112. Changes in the weaving angle will cause changes in the mechanical properties of the braided structure 1. If A is set too large or too small, it may cause the fiber braid 111 and the metal braid 112 to weave in the same direction, that is, to extend in the same direction. This would maximize the stiffness and strength in the first direction, while the stiffness and strength in the second direction would be extremely low, or it may maximize the stiffness and strength in the second direction, while the stiffness and strength in the first direction would be extremely low. As a result, the vehicle structural component 100 is prone to cracking and severe deformation in the first or second direction under multi-directional loads.

[0085] Therefore, by setting the included angle A between the first direction and the second direction within the above-mentioned reasonable range, the strength and stiffness of the vehicle structural component 100 can achieve the best effect, thereby improving the torsional resistance.

[0086] Specifically, such as Figure 5 and Figure 6 As shown, the first direction is Figure 5 and Figure 6 The vertical direction shown, the second direction is Figure 5 and Figure 6 As shown in the diagram, the fiber braided strip 111 extends along the first direction, and the metal braided strip 112 extends along the second direction. Figure 5 and Figure 6 The angle A between the first direction and the second direction shown is 90°.

[0087] In some embodiments, the fiber braided strip 111 and the metal braided strip 112 are organized in at least one of plain weave, twill weave, and satin weave.

[0088] In other words, the weave of the fiber braided strip 111 and the metal braided strip 112 can be a single type of plain weave, twill weave, or satin weave; or, the weave of the fiber braided strip 111 and the metal braided strip 112 can be two types of plain weave, twill weave, or satin weave; or, the weave of the fiber braided strip 111 and the metal braided strip 112 can be a combination of plain weave, twill weave, and satin weave. Understandably, different weave patterns will result in different structural strengths and appearance variations.

[0089] like Figure 5 As shown, Figure 5 The pattern shown is a plain weave, where fiber braided strips 111 and metal braided strips 112 are tightly interwoven, forming a regular grid structure. This gives the braided layer 11 relatively consistent strength in all directions, making the structure of the braided layer 11 more stable and improving its resistance to deformation and strength in all directions. Figure 6 As shown, Figure 6 The pattern shown is a twill weave, where each fiber braid 111 continuously crosses two metal braid 112, then presses against another metal braid 112, from... Figure 6 In the middle view, on a fiber braided strip 111 along the first direction, two metal braided strips 112 and one metal braided strip 112 are distributed alternately on both sides of a fiber braided strip 111, thereby forming continuous diagonal stripes. Of course, three metal braided strips 112 and one metal braided strip 112 can also be distributed alternately on both sides of a fiber braided strip 111, etc., which can be flexibly selected. The diagonal stripe can improve the shear resistance of the braided layer 11, thereby improving the torsional resistance and fatigue life of the vehicle structural component 100.

[0090] In the satin weave, the fiber braided strips 111 and the metal braided strips 112 interweave only once every three strands. This interweaving method results in fewer interweaving times, fewer interweaving points, and the longest floats. The braided layer 11 is almost entirely composed of the floats of the fiber braided strips 111 or the metal braided strips 112, which can enhance the surface gloss and texture of the vehicle structural component 100.

[0091] In some embodiments, the metal braided strip 112 accounts for 2% to 20% of the volume of the braided structure 1.

[0092] In other words, the volume percentage of the metal braided strip 112 in the braided structure 1 can be set to 2%, 4%, 6%, 8%, 10%, 12%, 14%, 16%, 18%, 20%, or other percentage values ​​within this range. It can be flexibly set according to actual needs and is not limited to the description in this embodiment.

[0093] Understandably, the metal braided strip 112, as a load-bearing structure, disperses and transmits stress when the vehicle structural component 100 is subjected to external forces. The volume ratio of the metal braided strip 112 in the braided structure 1 can change and affect the mechanical performance and visual effect of the vehicle structural component 100. The larger the volume ratio of the metal braided strip 112 in the braided structure 1, the more effectively the mechanical performance and visual effect of the vehicle structural component 100 can be improved. However, once the volume ratio of the metal braided strip 112 in the braided structure 1 reaches a certain level, it can no longer further improve the mechanical performance and visual effect of the vehicle structural component 100. Instead, it will lead to an increase in the weight and cost of the vehicle structural component 100. Therefore, if the volume ratio of the metal braided strip 112 in the braided structure 1 is too large, it may not be able to effectively improve the mechanical performance of the vehicle structural component 100.

[0094] Therefore, by setting the volume ratio of the metal braided strip 112 in the braided structure 1 between 2% and 20%, the mechanical performance and visual effect of the vehicle structural component 100 can be effectively guaranteed, as well as lightweighting and cost reduction can be achieved.

[0095] In some embodiments, the vehicle structural member 100 further includes a protective layer 2, which is stacked on one side of the woven structure 1.

[0096] Specifically, the protective layer 2 is used to protect the braided structure 1. The protective layer 2 is stacked on one side of the braided structure 1, that is, the protective layer 2 is set along the thickness direction of the braided structure 1, parallel to the braided structure 1, and one side surface of the protective layer 2 is in contact with one side surface of the braided structure 1. Thus, the protective layer 2 can effectively isolate the braided structure 1 from the external environment, so as to avoid direct contact between the braided structure 1 and the external environment, reduce the risk of oxidation and corrosion, thereby improving the service life of the braided structure 1 and the service life of the vehicle structural component 100. In addition, the protective layer 2 can also provide a physical barrier for the braided structure 1, reducing the damage caused to the braided structure 1 by mechanical forces such as scratches and impacts, effectively preventing scratches and wear. Furthermore, the protective layer 2 can also improve the appearance and texture of the vehicle structural component 100 and maintain the visual effect of the vehicle structural component 100.

[0097] In a specific embodiment, such as Figure 1 and Figure 2 As shown, the vehicle structural component 100 also includes a protective layer 2, the thickness direction of which is the same as the thickness direction of the woven structure 1, and the protective layer 2 is stacked on the upper side of the woven structure 1.

[0098] In some embodiments, the protective layer 2 is a transparent layer.

[0099] Specifically, by using a transparent layer for the protective layer 2, the pattern, color, and texture of the woven structure 1 can be revealed, thereby enhancing the appearance and texture of the vehicle structural component 100 and maintaining its visual appeal.

[0100] In other embodiments, the protective layer 2 is made of epoxy resin material.

[0101] Specifically, epoxy resin materials have excellent physical and mechanical properties and electrical insulation properties, good adhesion, and excellent corrosion resistance and protection. By making the protective layer 2 with epoxy resin material, it can provide effective protection for the woven structure 1.

[0102] In actual design, protective layer 2 can be injection molded from transparent epoxy resin.

[0103] In some embodiments, the protective layer 2 includes a first protective layer 21 and a second protective layer 22 stacked together. The first protective layer 21 is connected to the braided structure 1, and the second protective layer 22 is located on the side of the first protective layer 21 opposite to the braided structure 1.

[0104] Specifically, the first protective layer 21 and the second protective layer 22 are stacked and distributed, that is, the first protective layer 21 and the second protective layer 22 are arranged in parallel and have the same thickness extension direction. One side surface of the first protective layer 21 can be attached to one side surface of the braided structure 1, and the other side surface of the first protective layer 21 can be attached to one side surface of the second protective layer 22, thereby achieving the effect of connecting the first protective layer 21 with the braided structure 1, and the second protective layer 22 being located on the side of the first protective layer 21 away from the braided structure 1.

[0105] In this process, by connecting the first protective layer 21 to one side of the surface of the braided structure 1 and making direct contact with it, the holes on the outer surface of the braided structure 1 can be filled, and the adhesion of the second protective layer 22 to the first protective layer 21 can be improved. This means that the second protective layer 22 can better protect the braided structure 1. By connecting the second protective layer 22 to the side of the first protective layer 21 away from the braided structure 1, a double protective barrier can be provided for the braided structure 1, which can more effectively isolate external oxygen and corrosive gases and improve the protective effect. That is, the second protective layer 22 first isolates the external environment, and the first protective layer 21 further isolates the oxygen and corrosive gases that penetrate the second protective layer 22, preventing oxygen and corrosive gases from damaging the braided structure 1.

[0106] Furthermore, the materials used for the first protective layer 21 and the second protective layer 22 can be set to be different, so as to achieve complementary performance of the different materials of the first protective layer 21 and the second protective layer 22. For example, the first transparent protective layer 2 is used to achieve chemical protection such as corrosion resistance and oxidation resistance, while the second protective layer 22 is used to achieve physical protection such as scratch resistance and impact resistance.

[0107] In some embodiments, the first protective layer 21 is painted with a polyurethane system or an epoxy system.

[0108] Specifically, the first protective layer 21 can be made of polyurethane system paint or epoxy system paint. Polyurethane system paint or epoxy system paint can fill the minor defects on the outer surface of the woven structure 1, providing a smoother base for the second protective layer 22, so that the second protective layer 22 can be stably and reliably connected to the first protective layer 21. In addition, polyurethane system paint or epoxy system paint can provide excellent mechanical properties and adhesion, which can improve the adhesion of the second protective layer 22 on the first protective layer 21 and prevent the second protective layer 22 from falling off. At the same time, polyurethane system paint or epoxy system paint can also provide corrosion resistance and wear resistance, so that the protective effect of the first protective layer 21 is better.

[0109] In other embodiments, the second protective layer 22 is made of polyurethane system paint.

[0110] Specifically, the second protective layer 22 can be made of polyurethane system paint. Polyurethane system paint can improve the adhesion of the second protective layer 22, so that the second protective layer 22 can be more stably and reliably connected to the first protective layer 21. At the same time, polyurethane system paint can ensure the protective function of the second protective layer 22 and protect the first protective layer 21, as well as impart visual effects such as color, gloss and texture, so that the outer surface of the vehicle structural component 100 presents a better visual effect.

[0111] In some embodiments, the thickness of both the first protective layer 21 and the second protective layer 22 is set to D3, and satisfies: 0.1mm≤D3≤2.0mm.

[0112] Specifically, the thickness D3 of the first protective layer 21 and the second protective layer 22 can be set to 0.1mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.8mm, 2.0mm or other thickness values ​​in the range of 0.1mm to 2.0mm. It can be flexibly set according to actual needs and is not limited to the description in this embodiment.

[0113] Understandably, the larger the D3 setting, the thicker the first protective layer 21 and the second protective layer 22 will be. However, the thickness of the first protective layer 21 and the second protective layer 22 should not be set too thick. If the thickness of the first protective layer 21 is too thick, surface defects such as sagging and bubbling are likely to occur, and the flexibility and impact resistance will be reduced, thus failing to effectively protect the woven structure 1 and affecting the appearance. The thickness of the first protective layer 21 will also increase the material cost. Similarly, if the thickness of the second protective layer 22 is too thick, surface defects such as sagging and bubbling are likely to occur, the cost will be too high, and the hardness will be reduced, thus failing to effectively protect the first protective layer 21 and affecting the appearance. The smaller the D3 setting, the thinner the first protective layer 21 and the second protective layer 22 will be. If the first protective layer 21 is too thin, it may not be able to fully cover the defects on the outer surface of the woven structure 1, reducing its adhesion and protective performance to the woven structure 1. If the second protective layer 22 is too thin, it is easy to cause problems such as insufficient covering power, poor protective effect, and short service life, and it cannot effectively combine with the first protective layer 21 to achieve effective protection of the first protective layer 21.

[0114] Therefore, by setting the thickness D3 of the first protective layer 21 and the second protective layer 22 within the above-mentioned reasonable range, the protective effect on the woven structure 1 can be effectively achieved, ensuring the aesthetics of the vehicle structural component 100.

[0115] In some embodiments, the vehicle structural component 100 further includes a fastener 3, which is connected to the side of the woven structure 1 away from the protective layer 2, and is used to connect to the component to be installed.

[0116] Specifically, such as Figure 1 and Figure 2 As shown, the vehicle structural component 100 also includes a fastener 3. The fastener 3 is connected to the lower side of the woven structure 1, i.e., the side facing away from the protective layer 2. The fastener 3 provides fixation and support for the woven structure 1. The fastener 3 can be connected to the component to be installed, thereby achieving a stable connection between the vehicle structural component 100 and the component to be installed, allowing the vehicle structural component 100 to be stably installed on the vehicle. In actual design, the fastener 3 can be fixedly connected to the woven structure 1, for example, through adhesive connection, threaded connection, snap-fit, etc.

[0117] In some embodiments, the fastener 3 is configured as a detachable component and is used to detachably connect to the component to be installed.

[0118] Specifically, the fastener 3 can be constructed as a bolt, screw, nut, stud, clip, hook, or other detachable component, so that the fastener 3 can be threaded or snapped into the component to be installed, thereby achieving a detachable connection between the fastener 3 and the component to be installed. This facilitates the installation and removal of the vehicle structural component 100, making it easy to remove the vehicle structural component 100 from the vehicle for maintenance and replacement, which is flexible and convenient.

[0119] Of course, the fastener 3 can also be constructed in other forms, and can be flexibly set according to the actual situation, and is not limited to the embodiment described.

[0120] In practical design, the fastener 3 can be constructed as a snap-fit, with a slot provided on the part to be installed. The snap-fit ​​is engaged in the slot to achieve a snap-fit ​​connection between the fastener 3 and the part to be installed. Alternatively, the fastener 3 can be constructed as a stud, which is fixedly connected to the braided structure 1. A threaded through hole can be provided on the part to be installed, and the stud is inserted into the threaded through hole to achieve a threaded connection between the fastener 3 and the part to be installed.

[0121] This utility model also proposes a vehicle.

[0122] The vehicle according to the present utility model includes the vehicle structural member 100 of any of the above embodiments.

[0123] According to the vehicle of this utility model embodiment, a woven layer 11 is made by interlacing multiple fiber woven strips 111 and multiple metal woven strips 112 into a mesh structure. The woven structure 1 includes at least one woven layer 11 to form a vehicle structural component 100. This allows the vehicle structural component 100 to possess the lightweight, high strength, high rigidity, and corrosion resistance of fibers, as well as the excellent mechanical strength and toughness of metals. This improves the strength, toughness, and impact resistance of the vehicle structural component 100, enhances its overall performance in practical applications, and enables the vehicle structural component 100 to perform well in extreme conditions and complex environments, making it applicable to a wider range of scenarios.

[0124] Among them, the vehicle structural component 100 can be a front bumper, rear bumper, side skirt, rear spoiler, rearview mirror, roof, front bulkhead, rear bulkhead, etc. Of course, it can also be other structural components, which will not be elaborated here.

[0125] The following is an exemplary description of the manufacturing method of the vehicle structural component 100 of this application, which includes:

[0126] S1. Multiple fiber braided strips 111 and multiple metal braided strips 112 are woven into multiple braided layers 11 with a mesh structure by means of machine weaving or braiding.

[0127] S2. Cut each woven layer 11 into a suitable shape according to the target dimensions of the vehicle structural component 100.

[0128] S3. After cleaning the mold surface, it is necessary to cover the surface with a release film or release cloth, or apply a release agent.

[0129] S4. Lay the cut woven prepreg on the mold in the direction specified in the drawing, layer by layer, to form woven structure 1.

[0130] The woven structure prepreg is made of materials such as woven structure 1, epoxy resin (encapsulation body 12), and release paper, and is processed through processes such as coating, hot pressing, cooling, lamination, and winding.

[0131] S5. After the tiling is completed, auxiliary materials need to be laid on the surface and sealed with a vacuum bag for vacuuming.

[0132] S6. Push the encapsulated mold into the autoclave, set the program, and through precise control of the temperature-pressure-time curve of the autoclave, fully cure the epoxy resin (encapsulation body 12) and compact the braided structure 1 to finally obtain the vehicle structural component 100.

[0133] The heating rate can be 2–5 °C / min to control the rate of change in epoxy resin viscosity. Too fast a rate will cause air bubbles to become trapped, while too slow a rate will reduce production efficiency. To compact the woven structure 1, reduce air bubbles, and remove pores, the pressure control range of the autoclave can be 0.5–1 MPa, preferably 0.6 MPa. Taking epoxy resin as an example, the curing temperature can be 130–150 °C, preferably 135 °C. If the temperature is too low, curing will be insufficient; if the temperature is too high, the epoxy resin will degrade. The holding time can be 30–60 min to ensure complete curing of the epoxy resin, preferably 45 min. The cooling rate is ≤2 °C / min down to below 60 °C.

[0134] S7. After the temperature inside the can is ≤60℃, open the can and slowly pry the vehicle structural component 100 along the demolding opening.

[0135] S8. Remove vehicle structural component 100 and proceed with the next surface treatment.

[0136] The removed vehicle structural component 100 is then sanded again to remove excess epoxy resin and edges, ensuring the final size and shape of the vehicle structural component 100.

[0137] S9. Spray a first protective layer 21 on one side surface of the braided structure 1, and spray a second protective layer 22 on the side surface of the first protective layer 21 away from the braided structure 1.

[0138] The coating thickness of the first protective layer 21 and the second protective layer 22 can be 0.2 mm, and they can be baked at 80°C for 30 minutes.

[0139] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0140] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A vehicle structural member characterized by comprising: include: The braided structure (1) includes at least one braided layer (11), each braided layer (11) including a plurality of fiber braided strips (111) and a plurality of metal braided strips (112), the plurality of fiber braided strips (111) and the plurality of metal braided strips (112) interwoven to form a mesh structure.

2. The vehicle structural member according to claim 1, characterized by The braided structure (1) further includes an encapsulation body (12), in which at least one of the braided layers (11) is encapsulated.

3. The vehicle structural member according to claim 2, characterized by The encapsulation body (12) is made of thermosetting polymer and / or thermoplastic polymer.

4. The vehicle structural member of claim 1, wherein The braided structure (1) includes at least two braided layers (11), which are stacked and distributed along the thickness direction.

5. The vehicle structural member of claim 1, wherein The metal braided strip (112) is constructed in the shape of a cylindrical strip, and the diameter of the metal braided strip (112) is D1, which satisfies: 0.08mm≤D1≤1.0mm; And / or, the thickness of the braided structure (1) is D2, and satisfies: 0.5mm≤D2≤3.0mm.

6. The vehicle structural member of claim 1, wherein The fiber braided strip (111) is made of at least one of carbon fiber, quartz fiber, glass fiber, basalt fiber, aramid fiber, and ceramic fiber. And / or, the metal braided strip (112) is made of at least one of stainless steel, copper, titanium, aluminum or alloy; And / or, the fiber braided strip (111) has a fiber type of at least one of T300, T700, T800, T1000, T1100 and MJ60.

7. The vehicle structural component according to claim 1, characterized in that, The fiber braided strip (111) extends along a first direction, and the metal braided strip (112) extends along a second direction. The angle between the first direction and the second direction is A, and satisfies: 45°≤A≤90°.

8. The vehicle structural component according to claim 1, characterized in that, The fiber braided strip (111) and the metal braided strip (112) are in at least one of plain weave, twill weave, and satin weave.

9. The vehicle structural component according to claim 1, characterized in that, The metal braided strip (112) accounts for 2% to 20% of the volume of the braided structure (1).

10. The vehicle structural component according to claim 1, characterized in that, It also includes a protective layer (2) which is stacked on one side of the woven structure (1).

11. The vehicle structural component according to claim 10, characterized in that, The protective layer (2) is a transparent layer; And / or, the protective layer (2) is made of epoxy resin material.

12. The vehicle structural component according to claim 10, characterized in that, The protective layer (2) includes a first protective layer (21) and a second protective layer (22) stacked together. The first protective layer (21) is connected to the braided structure (1), and the second protective layer (22) is located on the side of the first protective layer (21) away from the braided structure (1).

13. The vehicle structural component according to claim 12, characterized in that, The first protective layer (21) is made of polyurethane system paint or epoxy system paint; And / or, the second protective layer (22) is painted with a polyurethane system.

14. The vehicle structural component according to claim 12, characterized in that, The thickness of both the first protective layer (21) and the second protective layer (22) is set to D3, and satisfies: 0.1mm≤D3≤2.0mm.

15. The vehicle structural component according to claim 10, characterized in that, It also includes a fastener (3), which is connected to the side of the braided structure (1) away from the protective layer (2) and is used to connect to the part to be installed.

16. The vehicle structural component according to claim 15, characterized in that, The fastener (3) is constructed as a detachable part and is used to detachably connect to the part to be installed.

17. A vehicle, characterized in that, The vehicle structural component includes any one of claims 1-16.

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