Carbon fiber aluminum alloy composite wheel containing glass fiber layer

Abstract

A carbon fiber aluminum alloy composite wheel containing a glass fiber layer comprises an aluminum alloy wheel disc, an aluminum alloy rim supporting body and a carbon fiber rim which are distributed from inside to outside in the radial direction. The aluminum alloy rim supporting body comprises an outer wheel part and an inner wheel part, and the outer wheel part is combined with the aluminum alloy wheel disc; the inner wheel flange edge of the inner wheel part of the aluminum alloy rim supporting body inclines towards the carbon fiber rim, and when the wheel is impacted, the inner wheel flange edge can effectively prevent the carbon fiber rim from delaminating; the glass fiber layer is laid between the inner wheel part and the carbon fiber rim, electrochemical corrosion between the carbon fiber rim and the aluminum alloy rim supporting body can be effectively avoided, and the strength and performance of carbon fibers and aluminum alloy are prevented from being affected. Protrusions are further arranged on the inner wheel part, the contact area between the aluminum alloy rim supporting body and the glass fiber layer and the contact area between the glass fiber layer and the carbon fiber rim are enlarged, the binding force among the aluminum alloy rim supporting body, the glass fiber layer and the carbon fiber rim is increased, and the aluminum alloy rim supporting body can be effectively prevented from falling off.

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 containing glass fiber layer. BACKGROUND

[0002] With the rapid development of new energy vehicles, lightweight becomes a key factor to improve the endurance mileage and performance of vehicles. Carbon fiber composite materials have broad application prospects in the field of wheel manufacturing due to their low density, high strength and corrosion resistance.

[0003] However, the common carbon fiber wheels on the market are two-piece wheels combined by carbon fiber and aluminum alloy, which have the following disadvantages:

[0004] 1. Direct contact between carbon fiber and aluminum alloy may cause electrochemical corrosion, affecting the strength and performance of carbon fiber and aluminum alloy, and reducing the structural stability and safety of the wheel;

[0005] 2. Vehicles need to cope with strong impact force during driving, and the connection between carbon fiber and aluminum alloy is prone to looseness and fatigue during long-term use, which may cause separation between carbon fiber and aluminum alloy, seriously affecting the reliability and service life of the wheel. SUMMARY

[0006] To solve the above problems, the utility model provides a carbon fiber aluminum alloy composite wheel containing a glass fiber layer, which uses the following technical scheme:

[0007] A carbon fiber aluminum alloy composite wheel containing a glass fiber layer, comprising an aluminum alloy disc, an aluminum alloy rim support body and a carbon fiber rim distributed radially from inside to outside.

[0008] The aluminum alloy rim support body comprises an outer wheel part and an inner wheel part, and the outer wheel part is combined with the aluminum alloy disc.

[0009] The inner rim edge of the inner wheel part of the aluminum alloy rim support body is inclined towards the carbon fiber rim.

[0010] A glass fiber layer is laid between the inner wheel part of the aluminum alloy rim support body and the carbon fiber rim.

[0011] The inner wheel part of the aluminum alloy rim support body is provided with a protrusion, which enlarges the contact area between the aluminum alloy rim support body and the glass fiber layer, and between the glass fiber layer and the carbon fiber rim. The concave-convex structure fixes the aluminum alloy rim support body, the glass fiber layer and the carbon fiber rim together.

[0012] Further, the carbon fiber rim is made of carbon fiber prepreg or carbon fiber SMC material.

[0013] Further, the outer wheel part of the aluminum alloy wheel rim support body is provided with a groove, and the carbon fiber wheel rim is provided with a support material wrapping layer at the position of the groove, and the support material wrapping layer is filled with support material.

[0014] Further, the groove is located at the spoke root of the aluminum alloy wheel disc.

[0015] Due to the above technical scheme, the utility model has the following advantages:

[0016] In the utility model, the inner rim edge of the inner wheel part of the aluminum alloy wheel rim support body is inclined to the carbon fiber wheel rim direction, and the inclined inner rim edge can effectively prevent delamination of the carbon fiber wheel rim when the wheel is impacted.

[0017] In the utility model, a glass fiber layer is arranged between the inner wheel part of the aluminum alloy wheel rim support body and the carbon fiber wheel rim, which can effectively avoid electrochemical corrosion between the carbon fiber wheel rim and the aluminum alloy wheel rim support body, avoid affecting the strength and performance of the carbon fiber and the aluminum alloy, and thus prevent the structural stability and safety of the wheel from being reduced.

[0018] In the utility model, the inner wheel part of the aluminum alloy wheel rim support body is provided with a protrusion, which can expand the contact area between the aluminum alloy wheel rim support body and the glass fiber layer, and between the glass fiber layer and the carbon fiber wheel rim, and on the other hand, the concave-convex structure can fix the aluminum alloy wheel rim support body, the glass fiber layer and the carbon fiber wheel rim together, increase the bonding force between the aluminum alloy wheel rim support body, the glass fiber layer and the carbon fiber wheel rim, and effectively prevent the aluminum alloy wheel rim support body from falling off.

[0019] In the utility model, the outer wheel part of the aluminum alloy wheel rim support body is provided with a groove, the carbon fiber wheel rim is provided with a support material wrapping layer at the position of the groove, and the support material wrapping layer is filled with support material, which can combine the aluminum alloy wheel disc, the aluminum alloy wheel rim support body and the carbon fiber wheel rim into a whole through the concave-convex combination, realize performance complementation of the carbon fiber and the aluminum alloy, and on the other hand, the support material can ensure close connection while further reducing the weight of the wheel, and can block the transmission of vibration between the tire and the ground to a certain extent, and improve the NVH (noise, vibration, harshness) of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model.

[0021] Figure 2 It is a structure schematic view of the carbon fiber wheel rim of the utility model.

[0022] Figure 3 It is a cross-sectional position explosion schematic view (omitting part of details) of the utility model.

[0023] Figure 4 This utility model Figure 3 A magnified view of a portion of point A in the middle.

[0024] Figure 5 This utility model Figure 3 A magnified view of a portion of point B in the middle.

[0025] Icon labels:

[0026] 1-Aluminum alloy wheel;

[0027] 2-Carbon fiber rim; 201-Supporting material wrapping layer;

[0028] 3-Glass fiber layer;

[0029] 4-Aluminum alloy rim support; 401-Inner rim edge; 402-Protrusion; 403-Groove;

[0030] 5-Supporting materials. Detailed Implementation

[0031] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this utility model; however, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0032] In the description of this utility model, it should be noted that the terms "upper", "lower", "in", "out", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They 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. Therefore, they should not be construed as limitations on this utility model. Example

[0033] This embodiment provides a carbon fiber aluminum alloy composite wheel containing a glass fiber layer, such as... Figures 1-5 As shown, it includes an aluminum alloy wheel disc 1, an aluminum alloy wheel rim support 4, and a carbon fiber wheel rim 2, which are distributed radially from the inside to the outside.

[0034] The aluminum alloy rim support 4 is a rotating body, including the outer wheel part (such as...). Figure 5 (as shown) and inner wheel section (as shown) Figure 4 As shown), the outer wheel is combined with the aluminum alloy disc 1;

[0035] The circumference of the aluminum alloy wheel rim support body 4 is paved with carbon fiber, and is combined with the carbon fiber as a whole through concave-convex combination and co-curing, and the carbon fiber forms a carbon fiber wheel rim 2, realizing performance complementation of carbon fiber and aluminum alloy; the carbon fiber wheel rim 2 can adopt carbon fiber prepreg or carbon fiber SMC material, and preferably carbon fiber prepreg; in the embodiment, the carbon fiber wheel rim 2 adopts T700 carbon fiber composite material epoxy prepreg with a 12K tow value.

[0036] As shown in Figure 4 , the inner rim edge 401 of the inner wheel portion of the aluminum alloy wheel rim support body 4 is slightly inclined to the direction of the carbon fiber wheel rim 2, and the inclination angle is about 5° in the embodiment; when the wheel is impacted, the deformation amount of the inner wheel rim position of the wheel is large, and the slightly inclined inner rim edge 401 of the aluminum alloy wheel rim support body 4 can prevent delamination of the carbon fiber wheel rim 2;

[0037] A glass fiber layer 3 is paved between the inner wheel portion of the aluminum alloy wheel rim support body 4 and the carbon fiber wheel rim 2, which can effectively avoid electrochemical corrosion between the carbon fiber wheel rim 2 and the aluminum alloy wheel rim support body 4;

[0038] The inner wheel portion of the aluminum alloy wheel rim support body 4 is also provided with a protrusion 402, which is relatively smooth as a whole, expands the contact area between the aluminum alloy wheel rim support body 4 and the glass fiber layer 3, and between the glass fiber layer 3 and the carbon fiber wheel rim 2, and fixes the aluminum alloy wheel rim support body 4, the glass fiber layer 3 and the carbon fiber wheel rim 2 together through the concave-convex structure.

[0039] As shown in Figure 2 and Figure 5 , the outer wheel portion of the aluminum alloy wheel rim support body 4 is provided with a groove 403, and in the embodiment, the groove 403 is located at the spoke root of the aluminum alloy wheel disc 1, and the shape and size of the groove 403 need to be designed according to the shape and size of the spoke root; when the carbon fiber is paved, the cross-sectional thickness at the position of the groove 403 changes sharply, so that a support material wrapping layer 201 is formed at the position of the groove 403 in the finally obtained carbon fiber wheel rim 2, and the support material wrapping layer 201 is filled with a support material 5;

[0040] On the one hand, the support material 5 can provide support for the mold pressing of the carbon fiber wheel rim 2, and on the other hand, selecting a suitable support material 5 can block the transmission of vibration between the tire and the ground to a certain extent, and improve the NVH (noise, vibration, and sound roughness) of the vehicle; the support material 5 can adopt carbon fiber composite material, glass fiber composite material, foam material, plastic, rubber, etc.

Claims

1. A carbon fiber-aluminum alloy composite wheel comprising a glass fiber layer, characterized in that, The aluminum alloy wheel disc (1), the aluminum alloy wheel rim support body (4) and the carbon fiber wheel rim (2) are distributed along the radial direction from inside to outside. The aluminum alloy wheel rim support body (4) comprises an outer wheel part and an inner wheel part, and the outer wheel part is combined with the aluminum alloy wheel disc (1). The inner flange edge (401) of the inner wheel part of the aluminum alloy wheel rim support body (4) is inclined to the direction of the carbon fiber wheel rim (2). A fiberglass layer (3) is laid between the inner wheel part of the aluminum alloy wheel rim support body (4) and the carbon fiber wheel rim (2). The inner wheel part of the aluminum alloy wheel rim support body (4) is provided with a protrusion (402), which expands the contact area between the aluminum alloy wheel rim support body (4) and the fiberglass layer (3), and between the fiberglass layer (3) and the carbon fiber wheel rim (2), and the aluminum alloy wheel rim support body (4), the fiberglass layer (3) and the carbon fiber wheel rim (2) are fixed together through the concave-convex structure.

2. The carbon fiber-aluminum alloy composite wheel containing a glass fiber layer according to claim 1, characterized by, The carbon fiber wheel rim (2) is made of carbon fiber prepreg or carbon fiber SMC material.

3. The carbon fiber-aluminum alloy composite wheel containing a glass fiber layer according to claim 1, characterized by, The outer wheel part of the aluminum alloy wheel rim support body (4) is provided with a groove (403), and the carbon fiber wheel rim (2) forms a support material wrapping layer (201) at the position of the groove (403), and the support material wrapping layer (201) is filled with a support material (5).

4. The carbon fiber-aluminum alloy composite wheel containing a glass fiber layer according to claim 3, characterized by, The groove (403) is located at the spoke root on the aluminum alloy wheel disc (1).

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