An irregular-shaped support with anti-fatigue reinforcing structure for vehicle
Patent Information
- Application Number
- CN202522426808.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-17
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-11-17
AI Technical Summary
[0005]为了克服车用异形支架在使用时，车用异形支架通常采用单一材质的均质结构，由于汽车行驶中的持续振动、交变应力以及复杂路况冲击，支架易在应力集中区域产生微裂纹，并随着振动循环逐渐扩展，最终导致结构失效，因此，在高频振动场景中使用时，不便提高异形支架抗疲劳性能的问题
[0015] When the automotive irregular-shaped bracket is in use, from the perspective of material function differentiation, the inner main support layer uses high-strength alloy steel as the base material, which provides the basic load-bearing capacity of the entire irregular-shaped bracket with its excellent rigidity. The middle buffer layer dissipates energy through the deformation of the pores inside the material, reducing the transmission of vibration to other components. The outer surface reinforcement layer significantly improves the wear resistance and impact resistance of the irregular-shaped bracket surface. From the perspective of structural stress optimization, the irregular component adopts a progressive thickness change design with a thicker center and thinner edges, which not only ensures the strength of key parts, but also optimizes the overall weight distribution and forms a reasonable stress gradient. A grid-like reinforcement structure is set on the surface reinforcement layer. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, inhibiting the propagation of cracks from the stress concentration point. In summary, the beneficial effect of this implementation scheme is that through the multi-layer composite structure and grid-like reinforcement design, the fatigue resistance and vibration damping characteristics of the irregular-shaped bracket are significantly improved.
Smart Images
Figure CN224726882U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive irregular bracket technology, and in particular to an automotive irregular bracket with a fatigue-resistant reinforcement structure. Background Technology
[0002] As a key structural component of automobiles, irregular brackets are far more complex to design than traditional standard parts. They must simultaneously meet the requirements of lightweight, high strength, and multi-functionality. Based on their shape characteristics, irregular brackets can be divided into planar irregular parts and three-dimensional irregular parts. In terms of material selection, aluminum alloys, high-strength steel, and carbon fiber composite materials dominate. In the automotive manufacturing field, irregular brackets are core components that connect and support key parts, and their fatigue resistance directly affects vehicle driving safety and the service life of parts.
[0003] When automotive irregular-shaped brackets are in use, existing technologies typically employ a homogeneous structure made of a single material, such as ordinary alloy steel or aluminum alloy, formed through integral casting or forging. While this design can meet basic load-bearing requirements, during long-term service, due to continuous vibration, alternating stress, and impacts from complex road conditions during vehicle operation, the bracket is prone to developing microcracks in stress concentration areas. These cracks gradually expand with vibration cycles, eventually leading to structural failure. Furthermore, traditional brackets often employ a uniform thickness design, failing to optimize the structure for critical stress-bearing areas. This not only increases unnecessary weight but also fails to effectively distribute local stress.
[0004] Therefore, to address the issue of difficulty in improving the fatigue resistance of irregularly shaped brackets when used in high-frequency vibration scenarios, a vehicle-mounted irregularly shaped bracket with a fatigue-resistant reinforcement structure can be designed. When in use, from a material function perspective, the inner main support layer uses high-strength alloy steel as the base material, providing the basic load-bearing capacity of the entire irregularly shaped bracket due to its excellent rigidity. The middle buffer layer dissipates energy through the deformation of the material's internal pores, reducing the transmission of vibration to other components. The outer surface reinforcement layer significantly improves the wear resistance and impact resistance of the irregularly shaped bracket surface. From a structural stress optimization perspective, the irregularly shaped component adopts a progressive thickness variation design with a thicker center and thinner edges, ensuring the strength of key parts while optimizing the overall weight distribution and forming a reasonable stress gradient. A grid-like reinforcement structure is set on the surface reinforcement layer. This structure can disperse localized concentrated stress to a wider range through the interaction between the ribs, inhibiting crack propagation from the stress concentration point. In summary, the beneficial effect of this implementation scheme is that it significantly improves the fatigue resistance of the irregularly shaped bracket through a multi-layered composite structure and grid-like reinforcement design. Utility Model Content
[0005] To overcome the problem that automotive irregular-shaped brackets are usually made of a single material and have a homogeneous structure, due to the continuous vibration, alternating stress and impact of complex road conditions during vehicle operation, the bracket is prone to generating microcracks in the stress concentration area, which gradually expand with vibration cycles and eventually lead to structural failure. Therefore, it is inconvenient to improve the fatigue resistance of irregular-shaped brackets when used in high-frequency vibration scenarios.
[0006] The technical solution of this utility model is as follows: a vehicle irregular-shaped bracket with a fatigue-resistant and reinforced structure, including an irregular-shaped part, the thickness of which gradually changes from the center to the edge, the upper surface of which is an arc surface, and also including a main support layer, an intermediate buffer layer and a surface reinforcement layer. The irregular-shaped part is provided with the main support layer, the intermediate buffer layer and the surface reinforcement layer in sequence from the inside to the outside. The main support layer is made of high-strength alloy steel, and a grid-like reinforcement structure is fixedly provided on the upper surface of the surface reinforcement layer to disperse stress.
[0007] Preferably, when the vehicle-mounted irregular bracket is in use, from the perspective of material function differentiation, the inner main support layer uses high-strength alloy steel as the base material, which provides the basic load-bearing capacity of the entire irregular bracket with its excellent rigidity. The middle buffer layer dissipates energy through the deformation of the pores inside the material, reducing the transmission of vibration to other components. The outer surface reinforcement layer significantly improves the wear resistance and impact resistance of the irregular bracket surface. From the perspective of structural stress optimization, the irregular component adopts a progressive thickness change design with a thicker center and thinner edges, which not only ensures the strength of key parts, but also optimizes the overall weight distribution and forms a reasonable stress gradient. A grid-like reinforcement structure is set on the surface reinforcement layer. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, inhibiting the propagation of cracks from the stress concentration point. In summary, the beneficial effect of this implementation scheme is that through the multi-layer composite structure and grid-like reinforcement design, the fatigue resistance and vibration damping characteristics of the irregular bracket are significantly improved.
[0008] Preferably, the intermediate buffer layer is a porous elastic material and the surface reinforcement layer is a carbon fiber composite material.
[0009] As a preferred embodiment, the mesh-like reinforcement structure includes transverse reinforcing ribs, and multiple sets of transverse reinforcing ribs are provided on the upper surface of the surface reinforcement layer.
[0010] Preferably, the mesh-like reinforcement structure also includes vertical reinforcing ribs, with multiple sets of vertical reinforcing ribs provided on the upper surface of the surface reinforcement layer.
[0011] Preferably, multiple sets of transverse reinforcing ribs and multiple sets of vertical reinforcing ribs intersect to form a grid-like reinforcement structure, and both the grid-like reinforcement structure and the surface strengthening layer are distributed in an arc shape.
[0012] Preferably, a connecting hole is formed inside the annular boss on the upper surface of the irregular part, and the connecting holes are distributed in a circle.
[0013] Preferably, an annular reinforcing boss is fixedly provided at the upper edge of the opening of the connecting hole. The annular reinforcing boss is coaxially arranged with the connecting hole, and a 45° chamfer is provided on the inner side of the annular reinforcing boss.
[0014] The beneficial effects of this utility model are:
[0015] When the automotive irregular-shaped bracket is in use, from the perspective of material function differentiation, the inner main support layer uses high-strength alloy steel as the base material, which provides the basic load-bearing capacity of the entire irregular-shaped bracket with its excellent rigidity. The middle buffer layer dissipates energy through the deformation of the pores inside the material, reducing the transmission of vibration to other components. The outer surface reinforcement layer significantly improves the wear resistance and impact resistance of the irregular-shaped bracket surface. From the perspective of structural stress optimization, the irregular component adopts a progressive thickness change design with a thicker center and thinner edges, which not only ensures the strength of key parts, but also optimizes the overall weight distribution and forms a reasonable stress gradient. A grid-like reinforcement structure is set on the surface reinforcement layer. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, inhibiting the propagation of cracks from the stress concentration point. In summary, the beneficial effect of this implementation scheme is that through the multi-layer composite structure and grid-like reinforcement design, the fatigue resistance and vibration damping characteristics of the irregular-shaped bracket are significantly improved. Attached Figure Description
[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of a vehicle-mounted irregular-shaped bracket with a fatigue-resistant and reinforced structure according to this utility model.
[0017] Figure 2 The diagram shown is a three-dimensional structural illustration of a grid-like reinforcement structure for a vehicle-mounted irregular-shaped bracket with an anti-fatigue reinforcement structure according to this utility model.
[0018] Figure 3 What is shown is Figure 1 Schematic diagram of the three-dimensional structure at the circled mark;
[0019] Figure 4 The diagram shown is a partial three-dimensional structural schematic of a vehicle-mounted irregular bracket with a fatigue-resistant and reinforced structure according to the present invention.
[0020] Explanation of reference numerals in the attached drawings: 1. Irregularly shaped part; 2. Main support layer; 3. Intermediate buffer layer; 4. Surface reinforcement layer; 5. Horizontal reinforcing rib; 6. Vertical reinforcing rib; 7. Connecting hole; 8. Annular reinforcing boss. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] This application can actually solve the fatigue resistance problem of automotive irregular brackets, and improve the fatigue resistance effect of automotive irregular brackets based on their structural form.
[0023] However, in this embodiment, the structural form of the automotive irregular-shaped bracket is improved. Please refer to [link / reference needed]. Figure 1 and Figure 2 This utility model provides an embodiment: a vehicle-mounted irregular-shaped bracket with a fatigue-resistant and reinforced structure, including an irregular-shaped part 1, the thickness of which gradually changes from the center to the edge, the upper surface of which is an arc surface, and also including a main support layer 2, an intermediate buffer layer 3 and a surface reinforcement layer 4. The main support layer 2, the intermediate buffer layer 3 and the surface reinforcement layer 4 are arranged sequentially from the inside to the outside of the irregular-shaped part 1. The main support layer 2 is made of high-strength alloy steel, and a grid-like reinforcement structure is fixedly arranged on the upper surface of the surface reinforcement layer 4 to disperse stress.
[0024] Please see Figure 3 and Figure 4 The intermediate buffer layer 3 is made of porous elastic material, and the surface reinforcement layer 4 is made of carbon fiber composite material. The intermediate buffer layer 3 is made of porous elastic material, which effectively absorbs the vibration energy generated during vehicle operation by utilizing the damping characteristics formed by its porous structure. The outer surface reinforcement layer 4 is made of carbon fiber composite material, which significantly improves the wear resistance and impact resistance of the irregular bracket surface by relying on the high strength and high modulus characteristics of carbon fiber. The grid-like reinforcement structure includes transverse reinforcing ribs 5. Multiple sets of transverse reinforcing ribs 5 are set on the upper surface of the surface reinforcement layer 4. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, and inhibit the propagation of cracks from the stress concentration point. The grid-like reinforcement structure also includes vertical reinforcing ribs 6. Multiple sets of vertical reinforcing ribs 6 are set on the upper surface of the surface reinforcement layer 4. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, and inhibit the propagation of cracks from the stress concentration point.
[0025] Please see Figure 3 and Figure 4 Multiple sets of transverse reinforcing ribs 5 and multiple sets of vertical reinforcing ribs 6 intersect to form a grid-like reinforcement structure. Both the grid-like reinforcement structure and the surface strengthening layer 4 are distributed in an arc shape. This structure can disperse local concentrated stress to a wider range through the interaction between the ribs, inhibiting crack propagation from the stress concentration point. A connecting hole 7 is opened through the annular boss on the upper surface of the irregular part 1. The connecting holes 7 are distributed circumferentially and are used to connect with other parts. An annular reinforcing boss 8 is fixedly set at the upper opening edge of the connecting hole 7. The annular reinforcing boss 8 is coaxially set with the connecting hole 7. A 45° chamfer is set on the inner side of the annular reinforcing boss 8. The annular reinforcing boss 8 and the chamfer design of the connecting hole 7 strengthen the strength of the key connection parts and avoid connection failure caused by frequent loading and unloading or stress. The chamfer design achieves a smooth stress transition, thereby improving the stress distribution.
[0026] When the automotive irregular bracket is in use, the automotive irregular bracket systematically solves the problems of poor fatigue resistance and stress concentration and easy cracking of traditional irregular brackets through the synergistic effect of multi-layer composite structure and refined structural design. Its core working principle can be divided into two dimensions: material function differentiation and structural stress optimization.
[0027] From the perspective of material function differentiation, the irregular bracket adopts a three-layer composite structure. The inner main support layer 2 is based on high-strength alloy steel. With its excellent rigidity, it provides the basic load-bearing capacity for the entire irregular bracket, ensuring that it is not easily deformed under complex stress environment. The middle buffer layer 3 is made of porous elastic material. Utilizing the damping characteristics formed by its porous structure, it effectively absorbs the vibration energy generated during vehicle operation. Energy dissipation is achieved through the deformation of the pores inside the material, reducing the transmission of vibration to other components. The outer surface reinforcement layer 4 is made of carbon fiber composite material. Relying on the high strength and high modulus characteristics of carbon fiber, it significantly improves the wear resistance and impact resistance of the irregular bracket surface. At the same time, the anisotropic characteristics of carbon fiber can specifically enhance the strength in key stress directions.
[0028] From the perspective of structural stress optimization, the irregular bracket achieves uniform stress distribution through multi-dimensional design. The irregular component 1 adopts a progressive thickness change design with a thicker center and thinner edges to match the actual stress requirements. The central area is thickened because it bears the main load, while the edge area is thinned because it bears less stress. This ensures the strength of key parts and optimizes the overall weight distribution, forming a reasonable stress gradient. The grid-like reinforcement structure set on the surface reinforcement layer 4 is composed of multiple sets of transverse reinforcing ribs 5 and vertical reinforcing ribs 6 intersecting to form a regular grid layout. This structure can disperse local concentrated stress to a larger area through the interaction between the ribs, inhibiting the expansion of cracks from the stress concentration point. The connecting hole 7 is a key area for connecting the irregular bracket with other vehicle components. It is surrounded by annular reinforcing bosses 8. The strength of the connection part is improved through local thickening design. At the same time, the 45° chamfer on the inner side of the boss can reduce stress concentration and avoid micro-cracks at the connection due to frequent stress.
[0029] In summary, this implementation scheme achieves significant comprehensive benefits through the synergistic combination of functional division of multi-layer composite materials and refined structural design. First, the mesh-like reinforcement structure and progressive thickness variation work together to effectively disperse stress and inhibit crack propagation, greatly improving the fatigue resistance of the irregular bracket and extending its service life. Second, the porous elastic material of the intermediate buffer layer 3 absorbs vibration energy through damping characteristics, reducing vibration transmission during vehicle operation and improving ride comfort and component stability. Third, the carbon fiber composite material of the surface reinforcement layer 4 enhances the wear resistance and impact resistance of the surface, reducing surface damage caused by external friction or impact. Finally, the annular reinforcing boss 8 and chamfer design of the connecting hole 7 strengthen the strength of key connection parts, avoiding connection failure caused by frequent loading and unloading or stress.
[0030] Overall, this irregularly shaped bracket achieves a comprehensive improvement in strength, stiffness, fatigue resistance, and vibration damping characteristics while ensuring lightweight design, providing reliable support for key vehicle components. The beneficial effects of this implementation scheme are that the fatigue resistance and vibration damping characteristics of the irregularly shaped bracket are significantly improved through the multi-layer composite structure and grid-like reinforcement design.
[0031] Through the above steps, when the vehicle-mounted irregular bracket is in use, from the perspective of material function differentiation, the inner main support layer 2 uses high-strength alloy steel as the base material, which provides the basic load-bearing capacity of the entire irregular bracket with its excellent rigidity. The middle buffer layer 3 dissipates energy through the deformation of the pores inside the material, reducing the transmission of vibration to other components. The outer surface reinforcement layer 4 significantly improves the wear resistance and impact resistance of the irregular bracket surface. From the perspective of structural stress optimization, the irregular component 1 adopts a progressive thickness change design with a thicker center and thinner edges, which not only ensures the strength of key parts, but also optimizes the overall weight distribution and forms a reasonable stress gradient. The surface reinforcement layer 4 is provided with a grid-like reinforcement structure, which can disperse local concentrated stress to a larger area through the interaction between the ribs and inhibit the propagation of cracks from the stress concentration point. In summary, the beneficial effect of this implementation scheme is that through the multi-layer composite structure and grid-like reinforcement design, the fatigue resistance and vibration damping characteristics of the irregular bracket are significantly improved.
[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A vehicle profiled support with anti-fatigue reinforcement structure, comprising a profiled member (1), the thickness of the profiled member (1) gradually changes from the center to the edge, and the upper surface of the profiled member (1) is arc-shaped, characterized in that: It also includes the main body support layer (2), the intermediate buffer layer (3) and the surface strengthening layer (4), the special-shaped part (1) is sequentially provided with the main body support layer (2), the intermediate buffer layer (3) and the surface strengthening layer (4) from inside to outside, the main body support layer (2) is made of high-strength alloy steel, the surface strengthening layer (4) is fixedly provided with a grid-shaped reinforcing structure on the upper surface, for dispersing stress.
2. The irregular-shaped support with anti-fatigue reinforcing structure for vehicle according to claim 1, characterized in that: The intermediate buffer layer (3) is a porous elastic material, and the surface strengthening layer (4) is a carbon fiber composite material.
3. The irregular-shaped support with anti-fatigue reinforcing structure for vehicle according to claim 1, characterized in that: The grid-shaped reinforcing structure comprises a horizontal reinforcing rib (5), and the surface strengthening layer (4) is provided with a plurality of groups of horizontal reinforcing ribs (5) on the upper surface.
4. The irregular-shaped support with anti-fatigue reinforcing structure for vehicle according to claim 3, characterized in that: The grid-shaped reinforcing structure further comprises a vertical reinforcing rib (6), and the surface strengthening layer (4) is provided with a plurality of groups of vertical reinforcing ribs (6) on the upper surface.
5. The irregularly shaped bracket with anti-fatigue reinforcing structure for vehicle according to claim 4, characterized in that: The plurality of groups of horizontal reinforcing ribs (5) and the plurality of groups of vertical reinforcing ribs (6) cross to form the grid-shaped reinforcing structure, and the grid-shaped reinforcing structure and the surface strengthening layer (4) are both arc-shaped distributed.
6. The irregularly shaped bracket with anti-fatigue reinforcing structure for vehicle according to claim 1, characterized in that: A connecting hole (7) is provided in the annular boss of the special-shaped part (1) and is circumferentially distributed.
7. The vehicle profile support with anti-fatigue reinforcing structure according to claim 6, characterized in that: An annular reinforcing boss (8) is fixedly arranged on the upper end opening edge of the connecting hole (7), the annular reinforcing boss (8) is coaxially arranged with the connecting hole (7), and the inner side of the annular reinforcing boss (8) is provided with a 45° chamfer.