Disc wheel with carbon fiber reinforced structure woven by side cover spokes

Abstract

The utility model provides a disc wheel of a carbon fiber reinforced structure with a side cover spoke weaving method. The disc wheel comprises a wheel rim and a carbon fiber reinforced structure, the side cover comprises a rim and side cover bodies arranged on the two sides of the rim, a mounting hole is formed in the middle of each side cover body, a plurality of reinforcing ribs which are annularly arrayed at equal intervals in the diameter direction of the mounting hole are arranged on the inner side wall of each side cover body, the reinforcing ribs abut against the inner side wall face of the rim, and the width of the reinforcing ribs is gradually increased in the direction from the mounting holes to the rim. On one hand, the structural strength of the peripheral face of the side cover body can be enhanced through the reinforcing ribs with the gradually-changed width, the weight can be effectively reduced compared with reinforcing ribs with the equal width, the structure is simple, and practicability is high; the area of the reinforcing ribs on the inner side wall of the rim is effectively enlarged, so that the structure of the rim is more stable in the riding process.

Description

Technical Field

[0001] The utility model relates to a disc wheel with a carbon fiber reinforced structure and a side cover-like spoke weaving method, which is applied to the field of bicycle wheel rims. Background Art

[0002] Disc wheel (Disc Wheel or Disc Rotor) in the field of bicycles refers to a specially designed rim with a flat, disc-shaped appearance, which is different from the traditional curved spoke rim. The design of the disc wheel is intended to provide some specific performance advantages, but also has some limitations. Disc wheels are also called closed wheels. At high speeds, closed wheels have better aerodynamic performance from all wind angles than high-rim wheels, with less wind resistance, which is conducive to speed improvement and faster speed. The aerodynamic performance of closed front and rear wheels is the best.

[0003] However, existing disc wheels, such as the lightweight carbon fiber disc wheel with reinforcing ribs having application number CN202222023650.0, have reinforcing ribs on the inner side walls of the main board of the carbon fiber disc wheel. However, the reinforcing ribs are arranged with equal widths, and the structural strength of the wheel rim cannot be guaranteed. If the width of the reinforcing ribs is to be widened, the weight of the wheel rim needs to be increased. Therefore, in view of the above problem, the utility model designs a disc wheel with a carbon fiber reinforced structure with a side cover-like spoke weaving method. Utility Model Content

[0004] The utility model provides a disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method, which can effectively solve the above-mentioned problem.

[0005] The utility model is achieved in this way:

[0006] A disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method, comprising:

[0007] rims; and

[0008] A side cover body is arranged on both sides of the wheel rim, a mounting hole is arranged in the middle of the side cover body, a plurality of reinforcing ribs in an annular array equidistant along the diameter direction of the mounting hole are arranged on the inner side wall of the side cover body, the reinforcing ribs abut against the inner side wall surface of the wheel rim, and the width of the reinforcing ribs gradually increases along the direction from the mounting hole to the wheel rim.

[0009] As a further improvement, the angle between the side wall of the reinforcing rib and its center line is α=1-2°.

[0010] As a further improvement, the number of the reinforcing ribs is 4*N (N is a positive integer).

[0011] As a further improvement, the included angle of the center line of the reinforcing ribs on the two side cover bodies along the axial projection of the mounting hole is β=0-45°.

[0012] As a further improvement, the cross-sectional profile of the reinforcing rib is one of circular, elliptical, trapezoidal or square.

[0013] As a further improvement, the reinforcing rib is a hollow structure.

[0014] As a further improvement, the reinforcing ribs are made of carbon fiber material.

[0015] As a further improvement, the outer wall of the reinforcing rib is coated with resin.

[0016] As a further improvement, the outer ring of the wheel rim is provided with a tire groove, and the outer ring of the wheel rim is provided with a vacuum tire matched with the tire groove.

[0017] As a further improvement, a mounting groove is provided on the side wall of the side cover body, and a cover plate is installed on the mounting groove.

[0018] The beneficial effects of the utility model are as follows: the inner wall of the side cover body is provided with a plurality of reinforcing ribs in an annular array equidistant along the diameter direction of the mounting hole, the reinforcing ribs abut against the inner wall surface of the wheel rim, and the width of the reinforcing ribs gradually increases from the mounting hole to the wheel rim. On the one hand, the structural strength of the outer peripheral surface of the side cover body can be enhanced by the reinforcing ribs with gradually varying widths, and the weight can be effectively reduced compared with the reinforcing ribs with equal widths. The structure is simple and the practicability is strong. On the other hand, during the manufacturing process, the reinforcing ribs with gradually varying widths abut against the inner wall surface of the wheel rim, which effectively expands the reinforcing rib area of ​​the inner wall of the wheel rim, making the structure of the wheel rim more stable during riding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the main structure of the wheel rim and the side cover provided in an embodiment of the utility model.

[0021] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure along the radial direction of the rim.

[0022] Figure 3 It is a schematic diagram of the disc wheel structure provided by an embodiment of the utility model.

[0023] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle.

[0024] Figure 5 It is a schematic diagram of the side structure of a disc wheel provided in an embodiment of the utility model.

[0025] Figure 6 yes Figure 5 Schematic diagram of the cross-sectional structure at BB in the middle.

[0026] Figure 7 It is a schematic diagram of the projection structure of the reinforcing ribs on the side cover bodies on both sides provided by an embodiment of the utility model.

[0027] The accompanying drawings are marked as follows:

[0028] 10. wheel rim; 11. tire groove; 111. tire lip clamping wall;

[0029] 20. Side cover body; 21. Mounting hole; 22. Reinforcement rib; 23. Mounting groove; 24. Cover plate; 25. Inner recess;

[0030] 30. Vacuum tire; 31. Bead. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0032] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] Reference Figures 1 to 5As shown, a disc wheel with a carbon fiber reinforced structure of a side cover-like spoke weaving method comprises: a wheel rim 10 and a side cover body 20 arranged on both sides of the wheel rim 10, a mounting hole 21 is arranged in the middle of the side cover body 20, and a plurality of reinforcing ribs 22 in an equidistant annular array along the diameter direction of the mounting hole 21 are arranged on the inner side wall of the side cover body 20, the reinforcing ribs 22 abut against the inner side wall of the wheel rim 10, and the width of the reinforcing ribs 22 gradually increases from the mounting hole 21 to the wheel rim 10. On the one hand, the structural strength of the outer peripheral surface of the side cover body 20 can be enhanced by the reinforcing ribs 22 with gradually varying widths. Usually, in order to increase the wind-breaking effect of the disc wheel, an inner concave portion 25 is arranged between the outer peripheral surface and the inner peripheral surface of the side cover body 20. During riding, the inner concave portion 25 is subjected to severe force and has the risk of breaking. Therefore, the reinforcing ribs 22 with gradually varying widths can enhance the structural strength of the inner concave portion 25 and the outer peripheral surface of the side cover body 20. Moreover, the reinforcing ribs 22 set with equal width can effectively reduce the weight. If it is necessary to increase the structural strength of the inner concave portion 25 and the outer peripheral surface of the side cover body 20, then the general reinforcing ribs need to be widened. Since the structure of the inner peripheral surface of the side cover body 20 is relatively stable, the widened reinforcing ribs make the structure redundant, thereby increasing the weight of the disc wheel and affecting the riding speed. This design has a simple structure and strong practicality. On the other hand, during the manufacturing process, the reinforcing ribs 22 with gradually varying widths abut against the inner wall of the wheel rim 10, effectively expanding the area of ​​the reinforcing ribs 22 on the inner wall of the wheel rim, making the structure of the wheel rim 10 more stable during riding.

[0034] Reference Figures 3-4 As shown, the outer ring of the wheel 10 is provided with a tire groove 11, and the outer ring of the wheel 10 is sleeved with a vacuum tire 30 adapted to the tire groove 11, the inner side wall of the tire groove 11 is symmetrically provided with a pair of tire lip clamping walls 111, and the outer side wall of the vacuum tire 30 is provided with a tire lip 31 corresponding to the tire lip clamping wall 111, and the tire lip 31 is clamped and fixed to the tire lip clamping wall 111.

[0035] The side wall of the side cover body 20 is provided with a mounting groove 23 for arranging an air nozzle. A cover plate 24 is installed on the mounting groove 23 to cover the air nozzle mounting groove to reduce wind resistance.

[0036] Reference Figure 6 As shown, the angle α between the side wall of the reinforcing rib 22 and its center line is 1-2°. In the present embodiment, the angle α between the side wall of the reinforcing rib 22 and its center line is 1.5°. The reinforcing rib 22 at this angle can not only enhance the structural strength of the inner recess 25, the outer peripheral surface and the wheel rim 10 of the side cover body 20, but also reduce the weight of the disc wheel and increase the riding speed.

[0037] The number of the reinforcing ribs 22 is 4*N (N is a positive integer). In the present embodiment, N=2, that is, the number of the reinforcing ribs 22 is 8. The spoke-like carbon fiber reinforcement structure thus arranged makes the structure more stable.

[0038] Reference Figure 7 As shown, the angle of the center line of the reinforcing ribs 22 on the two side cover bodies 20 along the axial projection of the mounting hole 21 is β=0~45°. In this embodiment, the angle of the center line of the reinforcing ribs 22 on the two side cover bodies 20 along the axial projection of the mounting hole 21 is β=22.5°. The number of the reinforcing ribs 22 is 8, so that the reinforcing ribs 22 on the two side cover bodies 20 are staggered, thereby strengthening the structural strength of the wheel rim 10.

[0039] As a further improvement, the reinforcing rib 22 is made of carbon fiber, and the cross-sectional profile of the reinforcing rib 22 is one of circular, elliptical, trapezoidal or square. In this embodiment, the cross-sectional profile of the reinforcing rib 22 is square. In other embodiments, the cross-sectional profile of the reinforcing rib 22 is trapezoidal, and the bottom surface of the trapezoid is connected to the side cover body 20. The purpose of such a setting is not only to have the same reinforcing structure function, but also to reduce weight to a certain extent, but the manufacturing cost may increase. In one embodiment, the reinforcing rib 22 is a hollow structure, and the hollow reinforcing rib 22 can reduce weight.

[0040] As a further improvement, the outer wall of the reinforcing rib 22 is coated with resin, and the coating of resin makes the reinforcing rib 22 have better mechanical performance.

[0041] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method, characterized in that: include: Rim (10); as well as A side cover body (20) is arranged on both sides of the wheel rim (10), a mounting hole (21) is arranged in the middle of the side cover body (20), a plurality of reinforcing ribs (22) are arranged in an annular array equidistantly along the diameter direction of the mounting hole (21) on the inner wall of the side cover body (20), the reinforcing ribs (22) abut against the inner wall surface of the wheel rim (10), and the width of the reinforcing ribs (22) gradually increases along the direction from the mounting hole (21) to the wheel rim (10).

2. A disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 1, characterized in that: The angle between the side wall of the reinforcing rib (22) and its center line is α=1-2°.

3. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 2, characterized in that: The number of the reinforcing ribs (22) is 4*N (N is a positive integer).

4. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 3, characterized in that: The included angle of the center line of the reinforcing ribs (22) on the two side cover bodies (20) along the axial projection of the mounting hole (21) is β=0-45°.

5. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 4, characterized in that: The cross-sectional profile of the reinforcing rib (22) is one of a circular shape, an elliptical shape, a trapezoidal shape or a square shape.

6. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 4, characterized in that: The reinforcing rib (22) is a hollow structure.

7. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 4, characterized in that: The reinforcing ribs (22) are made of carbon fiber material.

8. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 4, characterized in that: The outer wall of the reinforcing rib (22) is coated with resin.

9. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 1, characterized in that: The outer ring of the wheel rim (10) is provided with a tire groove (11), and the outer ring of the wheel rim (10) is sleeved with a vacuum tire (30) adapted to the tire groove (11).

10. The disc wheel with a carbon fiber reinforced structure having a side cover-like spoke weaving method according to claim 9, characterized in that: A mounting groove (23) is provided on the side wall of the side cover body (20), and a cover plate (24) is mounted on the mounting groove (23).

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