Carbon fiber aluminum alloy composite wheel
By designing aluminum alloy disc grooves and insert blocks in the carbon fiber aluminum alloy composite wheel, the wheel weight is significantly reduced, the carbon fiber texture is revealed, and the bonding strength is enhanced. This solves the problems of insufficient lightweighting and insufficient bonding strength in the existing technology and improves the overall performance of the wheel.
Patent Information
- Application Number
- CN202520737858.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-18
AI Technical Summary
Existing carbon fiber-aluminum alloy composite wheels do not achieve significant weight reduction, the carbon fiber texture is not well displayed, and the bonding strength between carbon fiber and aluminum alloy is insufficient, affecting the durability and safety of the wheels.
The design combines carbon fiber rims with aluminum alloy discs. The aluminum alloy disc has a groove at the root of the spokes, and an insert block is embedded in the groove. The aluminum alloy support extends from the inside to the inner rim. The adjacent support is spaced apart. The carbon fiber rim and aluminum alloy disc are integrated as a whole. The concave-convex joint method improves the bonding strength and shows the carbon fiber texture.
Significant weight reduction was achieved, improving the aesthetics and durability of the wheels, enhancing the bonding strength between carbon fiber and aluminum alloy, and improving the overall performance of the wheels.
Smart Images

Figure CN223720543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts wheels, particularly relates to a carbon fiber aluminum alloy composite wheel. BACKGROUND
[0002] With the continuous improvement of the demand for lightweight and high performance of the automobile industry, as a key component of the vehicle, the material and design of the wheel directly affect the handling, fuel efficiency and visual effect of the vehicle. In recent years, carbon fiber composite materials have gradually become the ideal material for automobile parts due to their excellent specific strength, specific stiffness and unique texture beauty. Carbon fiber not only can significantly reduce the weight of the part, but also can exhibit high-end technology and visual impact through its unique weaving texture, which is favored by automobile manufacturers and consumers.
[0003] In order to balance lightweight and high performance, the prior art proposes a composite wheel design scheme combining carbon fiber and metal material (such as aluminum alloy). This kind of scheme realizes the balance of lightweight and strength to some extent, but still has the following problems:
[0004] 1. The proportion of metal material is high, and the lightweight effect needs to be further improved.
[0005] 2. Carbon fiber texture is not fully displayed, and the unique texture of carbon fiber is often covered or weakened.
[0006] 3. The bonding strength between carbon fiber and aluminum alloy is insufficient, which affects the durability and safety of the wheel.
[0007] Therefore, there is an urgent need for a new type of carbon fiber aluminum alloy composite wheel, which can realize significant lightweight while fully displaying the texture beauty of carbon fiber and improving the overall performance of the wheel. SUMMARY
[0008] In view of the above problems, the utility model provides a carbon fiber aluminum alloy composite wheel, and the technical scheme used is:
[0009] A carbon fiber aluminum alloy composite wheel, comprising a carbon fiber rim, an aluminum alloy disc and an aluminum alloy support body; the spoke root of the aluminum alloy disc is provided with a plurality of grooves, and an aluminum alloy support body is arranged on the inner side of the position of each groove; the aluminum alloy support body extends from the inner side of the corresponding groove to the inner rim position; there is a gap between adjacent aluminum alloy support bodies; the carbon fiber rim is arranged on the circumferential periphery of the aluminum alloy disc and the aluminum alloy support body, and forms an embedded block corresponding to the groove; the embedded block is embedded in the corresponding groove.
[0010] Further, the carbon fiber rim is made of carbon fiber SMC material.
[0011] Further, the shape and size of the groove need to be designed according to the shape and size of the aluminum alloy wheel disc spoke root.
[0012] Further, the aluminum alloy support body is in the shape of a long strip as a whole.
[0013] Further, the inner rim positions of all aluminum alloy rim supports are combined into a circumferential whole.
[0014] Due to the above technical scheme, the utility model has the following advantages:
[0015] In the utility model, the aluminum alloy support body is in the shape of a long strip as a whole, extends from the inner side of the corresponding groove to the inner rim position of the whole wheel, and there is a gap between adjacent aluminum alloy support bodies; under the premise of ensuring the contact area between the carbon fiber and the aluminum alloy, the weight of the wheel is significantly reduced, the light weight level of the wheel is further improved, and the balance between light weight and strength is achieved.
[0016] In the utility model, the gap between adjacent aluminum alloy support bodies can show the texture of the carbon fiber rim, improve the overall appearance of the wheel, and improve the high-end texture and visual appeal of the wheel.
[0017] In the utility model, the aluminum alloy wheel disc spoke root is provided with a plurality of grooves, and the carbon fiber rim will form an embedded block at the position of the groove; the embedded block is embedded in the groove; this combination of concave and convex can make the carbon fiber rim and the aluminum alloy wheel disc more stably combined as a whole, improve the bonding strength of the carbon fiber and the aluminum alloy, and ensure the durability and safety of the wheel. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figures 1-2 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 3 It is a schematic diagram of the sectional structure of A-A of the utility model.
[0020] Figure 4 It is a schematic diagram of the sectional structure of A-A of the utility model. Figure 3 It is a schematic diagram of the sectional structure of A-A of the utility model.
[0021] Figure 5 It is a schematic diagram of the structure of the carbon fiber rim of the utility model.
[0022] Figures 6-7 It is a schematic diagram of the assembly structure of the aluminum alloy wheel disc and the aluminum alloy support body of the utility model.
[0023] Figure 8 It is a schematic diagram of the structure of the aluminum alloy wheel disc of the utility model.
[0024] Figure 9 It is a schematic diagram of the structure of the aluminum alloy support body of the utility model.
[0025] Figure 10 It is the assembly structure schematic view of the aluminum alloy wheel disc and the aluminum alloy support body in the embodiment 2 of the utility model.
[0026] Figure 11 It is the structure schematic view of the aluminum alloy support body in the embodiment 2 of the utility model.
[0027] Reference Signs:
[0028] 1-carbon fiber wheel rim;101-embedded block;
[0029] 2-aluminum alloy wheel disc;201-groove;
[0030] 3-aluminum alloy support body. DETAILED DESCRIPTION
[0031] The technical scheme of the utility model is further specifically explained below by embodiments and in conjunction with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.
[0032] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "in", "out", "front", "rear" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as a limitation on the utility model. EMBODIMENT
[0033] The embodiment provides a kind of carbon fiber aluminum alloy composite wheel, as shown in figure Figures 1-4 It includes carbon fiber wheel rim 1, aluminum alloy wheel disc 2 and aluminum alloy support body 3.
[0034] As shown in figure Figures 3-9 The spoke root of aluminum alloy wheel disc 2 is equipped with several grooves 201, the shape and size of groove 201 need to be designed according to the shape and size of spoke root;The inner side of the position of each groove 201 is combined with aluminum alloy support body 3;Aluminum alloy support body 3 is overall strip-shaped, and extends to the inner rim position of entire wheel from the inner side of corresponding groove 201;
[0035] The circumferential periphery of the aluminum alloy wheel disc 2 and the aluminum alloy support body 3 is paved with carbon fibers, and is combined into an integral whole with the carbon fibers through concave-convex combination and co-curing, the carbon fibers forming the carbon fiber wheel rim 1, realizing performance complementation of the carbon fibers and the aluminum alloy; the carbon fiber wheel rim 1 is at the position of the recess 201 of the aluminum alloy wheel disc 2; when the carbon fibers are paved, the carbon fiber wheel rim 1 will form an embedded block 101 at the position of the recess 201, the embedded block 101 being embedded into the recess 201, so that the carbon fiber wheel rim 1 and the aluminum alloy wheel disc 2 can be more stably combined into an integral whole.
[0036] In the embodiment, the carbon fiber wheel rim 1 adopts carbon fiber SMC material.
[0037] The aluminum alloy support body 3 can support the carbon fiber wheel rim 1, and there is a gap between adjacent aluminum alloy support bodies 3, which significantly reduces the weight of the wheel under the premise of ensuring the contact area between the carbon fibers and the aluminum alloy, further improves the level of light weight of the wheel, and the gap between adjacent aluminum alloy support bodies 3 can show the texture of the carbon fiber wheel rim 1, improving the overall aesthetics of the wheel. Embodiment
[0038] On the basis of Embodiment 1, as shown in Figures 10-11 all the inner rim positions of the aluminum alloy support bodies 3 are combined into a circumferential integral whole, not only expanding the contact area of the carbon fibers and the aluminum alloy at the inner rim position, but also effectively preventing the carbon fibers and the aluminum alloy at the inner rim position from being separated when the wheel is impacted.
Claims
1. A carbon fiber aluminum alloy composite wheel characterized by, It comprises a carbon fiber wheel rim (1), an aluminum alloy wheel disc (2) and an aluminum alloy support body (3); the spoke root of the aluminum alloy wheel disc (2) is provided with a plurality of grooves (201), and the inner side of the position where each groove (201) is located is combined with an aluminum alloy support body (3); the aluminum alloy support body (3) extends from the inner side of the corresponding groove (201) to the inner rim position; there is a gap between adjacent aluminum alloy support bodies (3); the carbon fiber wheel rim (1) is arranged on the circumferential periphery of the aluminum alloy wheel disc (2) and the aluminum alloy support body (3), and forms an embedded block (101) corresponding to the groove (201); the embedded block (101) is embedded in the corresponding groove (201).
2. The carbon fiber-aluminum alloy composite wheel of claim 1, wherein, The carbon fiber wheel rim (1) adopts carbon fiber SMC material.
3. The carbon fiber-aluminum alloy composite wheel of claim 1, wherein, The shape and size of the groove (201) need to be designed according to the shape and size of the spoke root of the aluminum alloy wheel disc (2).
4. The carbon fiber-aluminum alloy composite wheel of claim 1, wherein, The aluminum alloy support body (3) is in the shape of a long strip as a whole.
5. The carbon fiber-aluminum alloy composite wheel of claim 1, wherein, The inner rim positions of all aluminum alloy support bodies (3) are combined into a circumferential whole.