Anti-impact and anti-deformation motorcycle composite material wheel rim

Abstract

The utility model relates to the technical field of wheel rim, especially an anti-impact and anti-deformation motorcycle composite material wheel rim, which comprises an annular rim, a central hub and a plurality of circumferential arrayed spoke groups, and the annular rim is integrally formed with an annular supporting ring inside. The utility model has the advantages that the connecting ring connects the plurality of spoke plates into a whole, improving the ability of the wheel rim to resist lateral force; the arc-shaped reinforcing ribs of the outer sidewall of the annular rim directly enhance the anti-deformation performance of the rim itself. The spoke group with the triangular supporting structure changes the force transmission mode of the traditional straight strip or simple arc-shaped spoke, cooperates with the overall connecting effect of the connecting ring, effectively disperses the impact load, avoids the bending or rupture of the spoke caused by stress concentration, and respectively strengthens the key parts of the spoke and the overall reinforcing structure of the rim, solves the problem of insufficient anti-impact and anti-deformation ability caused by unreasonable structural design of the traditional wheel rim, and enables the wheel rim to stably bear various loads under complex road conditions.

Description

Technical Field

[0001] This utility model relates to the field of wheel rim technology, and in particular to a motorcycle composite material wheel rim that is impact-resistant and deformation-resistant. Background Technology

[0002] The motorcycle wheel rim is a core load-bearing component of the motorcycle's running system. It refers to an integrated or combined ring structure composed of the rim, spokes, and hub mount, used to connect the tire to the axle, support the weight of the motorcycle, and transmit driving and braking forces. The rim, as the mounting base for the tire, provides rigid support to the tire through its ring structure, ensuring a stable contact area between the tire and the ground. The spokes connect the rim to the hub mount, evenly transmitting the vehicle's load, driving torque, and braking reaction force; it is a crucial link in force transmission. The hub mount, located at the center of the rim, mates with the motorcycle axle through a bore, enabling the rim's rotation and providing a mounting interface for components such as the braking system.

[0003] Existing motorcycle wheel rims have significant shortcomings in terms of impact resistance and deformation prevention. The main reason is unreasonable structural design. Traditional wheel rims often use a single straight bar or simple arc structure for the spokes, which concentrates the force transmission path. When subjected to road impact, stress concentration is easily generated, leading to spoke bending or breakage. The connection between the rim and spokes is abrupt and lacks an effective buffer structure. The impact load acts directly on the connection point, which can easily cause deformation or cracking at the connection. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to propose an impact-resistant and deformation-resistant motorcycle composite material wheel rim to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of this utility model provides an impact-resistant and deformation-resistant motorcycle composite material wheel rim, including an annular rim, a central hub, and several sets of circumferentially arrayed spokes. The annular rim has an integrally formed annular support ring inside. Each set of spokes includes two symmetrically arranged spoke plates. The spoke plates are made of magnesium alloy. The two spoke plates extend radially outward from the central hub and are fixedly connected to the annular support ring. A connecting rod is fixedly connected between the two spoke plates, and the two spoke plates and the connecting rod form a triangular support structure. A stiffening plate is fixedly connected to the side of the spoke plate near the central hub. The stiffening plate is integrally formed with the spoke plate.

[0007] Preferably, in any of the above embodiments, the annular rim is made of aluminum alloy-carbon fiber composite material, with an outer layer of aluminum alloy and an inner layer of carbon fiber, and the central hub is made of high-strength alloy steel.

[0008] Preferably, in any of the above solutions, the stiffening plate is made of the same magnesium alloy as the wheel spokes, and the connecting rod is made of titanium alloy.

[0009] Preferably, the outer wall of the annular rim is provided with arc-shaped reinforcing ribs distributed along the circumference, the arc-shaped reinforcing ribs are integrally formed with the annular rim, and the arc-shaped reinforcing ribs are made of aluminum alloy.

[0010] Preferably, one side of the spoke plate has a weight-reducing groove, and the edge of the weight-reducing groove smoothly transitions to the surface of the spoke plate.

[0011] Preferably, any of the above solutions includes a connecting ring that is fixedly connected between several of the spoke plates, the connecting ring surrounding the outside of the central hub.

[0012] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0013] 1. When road impacts the annular rim, the annular support ring disperses and transmits the impact force to each spoke group. The triangular support structure formed by the two spokes and connecting rods in each spoke group evenly transmits the impact force from the annular support ring to the central hub, preventing stress concentration. The stiffening plate enhances the structural strength of the spokes near the central hub, reducing the risk of bending. The connecting ring connects multiple spokes into a whole, improving the rim's ability to resist lateral forces. The arc-shaped reinforcing ribs on the outer wall of the annular rim directly enhance the rim's own deformation resistance. The triangular support structure of the spoke group changes the traditional force transmission method of straight or simple arc-shaped spokes. Combined with the overall connection effect of the connecting ring, it effectively disperses the impact load, preventing spoke bending or breakage caused by stress concentration. The stiffening plate and arc-shaped reinforcing ribs strengthen the structure from key spoke locations and the overall rim structure, respectively, solving the problem of insufficient impact resistance and deformation prevention caused by unreasonable structural design in traditional rims. This allows the rim to stably withstand various loads under complex road conditions.

[0014] 2. The ring rim is made of aluminum alloy-carbon fiber composite material. The outer aluminum alloy layer ensures structural rigidity, while the inner carbon fiber layer reduces weight. The spokes are made of magnesium alloy, with a weight-reducing groove on one side. This reduces material usage while maintaining structural strength through a smooth edge design. The connecting rod is made of high-strength titanium alloy, controlling weight while ensuring the stability of the triangular support structure. The center hub is made of high-strength alloy steel to ensure the strength of the connection with the axle. The composite ring rim, the lightweight and high-strength spoke assembly, and the structural design of the weight-reducing groove significantly reduce the overall weight of the wheel rim while ensuring sufficient strength through the material properties and structural reinforcement of each component. This avoids the problem of traditional wheel rims where lightweighting and strength are difficult to balance. It reduces the unsprung mass of the motorcycle while ensuring the structural reliability of the wheel rim, improving the vehicle's handling performance and driving safety. Attached Figure Description

[0015] Figure 1 This is a first-view structural diagram of the wheel rim of this utility model;

[0016] Figure 2 This is a schematic diagram of the wheel rim structure from a second perspective.

[0017] Figure 3 This is a third-view structural diagram of the wheel rim of this utility model.

[0018] In the diagram: 1-ring rim, 2-center hub, 3-spoke assembly, 4-ring support ring, 6-spoke plate, 7-connecting rod, 9-arc reinforcing rib, 10-weight reduction groove, 11-connecting ring. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited thereto.

[0020] like Figures 1 to 3 As shown, a motorcycle composite material wheel rim that is impact-resistant and deformation-resistant includes an annular rim 1, a central hub 2, and several sets of circumferentially arrayed spoke groups 3. An annular support ring 4 is integrally formed inside the annular rim 1. Each set of spoke groups 3 includes two symmetrically arranged spoke plates 6. The spoke plates 6 are made of magnesium alloy. The two spoke plates 6 extend radially outward from the central hub 2 and are fixedly connected to the annular support ring 4. A connecting rod 7 is fixedly connected between the two spoke plates 6. The two spoke plates 6 and the connecting rod 7 form a triangular support structure. A stiffening plate 8 is fixedly connected to the side of the spoke plate 6 near the central hub 2. The stiffening plate 8 is integrally formed with the spoke plate 6.

[0021] As an optional technical solution of this utility model, the annular rim 1 is made of aluminum alloy-carbon fiber composite material, with an outer layer of aluminum alloy and an inner layer of carbon fiber. The center hub 2 is made of high-strength alloy steel. The aluminum alloy outer layer of the annular rim 1 provides good structural rigidity and impact resistance, while the inner carbon fiber significantly reduces the weight of the rim, achieving a balance between strength and lightweight. The center hub 2 is made of high-strength alloy steel, which ensures the structural strength of its connection with the axle, withstands various torques and impacts during motorcycle operation, and ensures the overall connection stability of the rim.

[0022] As an optional technical solution of this utility model, the stiffening plate 8 is made of the same magnesium alloy as the spoke plate 6, and the connecting rod 7 is made of titanium alloy. The use of magnesium alloy for the stiffening plate 8 ensures the consistency and structural stability of the connection between the stiffening plate 8 and the spoke plate 6, and also enhances the bending resistance of the spoke plate 6 by utilizing the lightweight and high-strength characteristics of magnesium alloy. The use of titanium alloy for the connecting rod 7, with its high strength and corrosion resistance, can improve the stability and durability of the triangular support structure formed by the two spoke plates 6, ensuring the effective transmission of force.

[0023] As an optional technical solution of this utility model, the outer wall of the annular rim 1 is provided with arc-shaped reinforcing ribs 9 distributed along the circumferential direction. The arc-shaped reinforcing ribs 9 are integrally formed with the annular rim 1 and are made of aluminum alloy. The arc-shaped reinforcing ribs 9 on the outer wall of the annular rim 1 are integrally formed with the rim and are made of aluminum alloy, which can directly enhance the overall structural strength and deformation resistance of the annular rim 1. When the rim is subjected to lateral force or impact, it can effectively disperse stress, reduce the deformation of the rim, and extend the service life of the rim.

[0024] As an optional technical solution of this utility model, a weight-reducing groove 10 is provided through one side of the spoke plate 6. The edge of the weight-reducing groove 10 smoothly transitions with the surface of the spoke plate 6. The weight-reducing groove 10 on one side of the spoke plate 6 reduces the amount of material used in the spoke plate 6 and achieves weight reduction. At the same time, the smooth transition design between the edge and the surface of the spoke plate 6 avoids stress concentration and ensures that the spoke plate 6 can still maintain sufficient structural strength after weight reduction, without affecting its force transmission performance.

[0025] As an optional technical solution of this utility model, a connecting ring 11 is fixedly connected between several spoke plates 6. The connecting ring 11 surrounds the outside of the central hub 2. The connecting ring 11 fixedly connected between several spoke plates 6 surrounds the outside of the central hub 2, which can connect multiple spoke plates 6 into a whole, enhance the overall rigidity and coordination of the wheel rim, and effectively distribute the load when the wheel rim is subjected to impact or lateral force, avoid damage to a single spoke plate 6 due to excessive force, and improve the impact resistance and deformation resistance of the wheel rim.

[0026] A type of impact-resistant and deformation-resistant motorcycle composite material wheel rim, the working principle of which is as follows:

[0027] 1: When the road surface impacts the annular rim 1, the annular support ring 4 disperses and transmits the impact force to each spoke group 3; the triangular support structure formed by the two spoke plates 6 and the connecting rod 7 in the spoke group 3 transmits the impact force evenly from the annular support ring 4 to the central hub 2, avoiding stress concentration.

[0028] 2: The stiffening plate 8 enhances the structural strength of the spoke plate 6 near the center hub 2, reducing the risk of bending of the spoke plate 6; the connecting ring 11 connects multiple spoke plates 6 into a whole, improving the wheel rim's ability to resist lateral forces.

[0029] 3: The wheel spoke assembly 3 with triangular support structure changes the force transmission method of traditional straight or simple arc-shaped wheel spokes. Combined with the overall connection effect of the connecting ring 11, it effectively disperses the impact load and avoids wheel spoke bending or breakage caused by stress concentration.

[0030] In summary, this impact-resistant and deformation-resistant composite material motorcycle rim, when impacted by the road surface, features an annular support ring 4 that disperses and transmits the impact force to each spoke group 3; the triangular support structure formed by the two spoke plates 6 and the connecting rod 7 in the spoke group 3 evenly transmits the impact force from the annular support ring 4 to the central hub 2, avoiding stress concentration; the stiffening plate 8 enhances the structural strength of the spoke plate 6 near the central hub 2, reducing the risk of bending of the spoke plate 6; the connecting ring 11 connects multiple spoke plates 6 into a whole, improving the rim's ability to resist lateral forces; and the arc-shaped reinforcing rib 9 on the outer wall of the annular rim 1 directly enhances the rim's own deformation resistance. The spoke assembly 3 with a triangular support structure changes the force transmission method of traditional straight or simple curved spokes. Combined with the overall connection of the connecting ring 11, it effectively disperses impact loads and avoids spoke bending or breakage caused by stress concentration. The stiffening plate 8 and the curved reinforcing rib 9 strengthen the structure from key parts of the spokes and the overall rim, respectively, solving the problem of insufficient impact resistance and deformation resistance caused by unreasonable structural design of traditional rims. This allows the rim to stably withstand various loads under complex road conditions. The annular rim 1 is made of aluminum alloy-carbon fiber composite material. The outer aluminum alloy layer ensures structural rigidity, while the inner carbon fiber layer reduces weight. The spoke plate 6 is made of magnesium alloy. Combined with the weight-reducing groove 10 on one side, it reduces material usage while maintaining structural strength through a smooth edge design. The connecting rod 7 is made of high-strength titanium alloy to control weight while ensuring the stability of the triangular support structure. The center hub 2 is made of high-strength alloy steel to ensure the strength of the connection with the axle. The composite material ring rim 1 and the lightweight, high-strength spoke assembly 3, combined with the structural design of the weight-reducing groove 10, significantly reduce the overall weight of the wheel rim while ensuring sufficient strength through the material properties and structural reinforcement of each component. This avoids the problem of traditional wheel rims where lightweighting and strength are difficult to balance. It reduces the unsprung mass of the motorcycle and ensures the structural reliability of the wheel rim, thereby improving the vehicle's handling performance and driving safety.

Claims

1. A motorcycle composite material wheel rim that is impact-resistant and deformation-resistant, characterized in that: The wheel assembly includes an annular rim (1), a central hub (2), and several sets of spokes arranged in a circular array (3). An annular support ring (4) is integrally formed inside the annular rim (1). Each set of spokes (3) includes two symmetrically arranged spoke plates (6). The spoke plates (6) are made of magnesium alloy. The two spoke plates (6) extend radially outward from the central hub (2) and are fixedly connected to the annular support ring (4). A connecting rod (7) is fixedly connected between the two spoke plates (6). The two spoke plates (6) and the connecting rod (7) form a triangular support structure. A stiffening plate (8) is fixedly connected to the side of the spoke plate (6) near the central hub (2). The stiffening plate (8) is integrally formed with the spoke plate (6).

2. The impact-resistant and deformation-resistant motorcycle composite material wheel rim according to claim 1, characterized in that: The annular rim (1) is made of aluminum alloy-carbon fiber composite material, with an outer layer of aluminum alloy and an inner layer of carbon fiber. The central hub (2) is made of high-strength alloy steel.

3. The impact-resistant and deformation-resistant motorcycle composite material wheel rim according to claim 2, characterized in that: The stiffening plate (8) is made of the same magnesium alloy as the spoke plate (6), and the connecting rod (7) is made of titanium alloy.

4. The impact-resistant and deformation-resistant motorcycle composite material wheel rim according to claim 3, characterized in that: The outer wall of the annular rim (1) is provided with arc-shaped reinforcing ribs (9) distributed along the circumference. The arc-shaped reinforcing ribs (9) are integrally formed with the annular rim (1) and are made of aluminum alloy.

5. The impact-resistant and deformation-resistant motorcycle composite material wheel rim according to claim 4, characterized in that: A weight-reducing groove (10) is provided through one side of the spoke plate (6), and the edge of the weight-reducing groove (10) smoothly transitions with the surface of the spoke plate (6).

6. The impact-resistant and deformation-resistant motorcycle composite material wheel rim according to claim 5, characterized in that: A connecting ring (11) is fixedly connected between several spokes (6), and the connecting ring (11) surrounds the outside of the central hub (2).

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