Motorcycle brake disc with hollow air guide structure
By designing hollow air guide structure and complex air circulation paths on the motorcycle brake disc, the problem of poor heat dissipation caused by the straight line of the existing brake disc duct is solved, more efficient air circulation and heat loss are achieved, and the service life of the brake disc is extended.
Patent Information
- Application Number
- CN202520900652.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2035-05-09
AI Technical Summary
During the use of existing motorcycle brake discs, the air duct is straight through, and the air duct cannot be effectively guided to flow to the brake pad, resulting in poor heat dissipation effect and affecting the service life of the brake pad.
The motorcycle brake disc adopting a hollow air guide structure uses a spiral radial heat dissipation hole and hollow channel on the outer disc, and staggered through-holes and installation holes are set on the inner disc, combining the flow channel and the flow guide plate to form a complex air circulation path to improve the flow rate of the wind and the loss of heat.
By guiding the airflow into the hollow air guide structure, the air flow rate and heat loss are accelerated, the heat dissipation effect of the brake pad is significantly improved, and its service life is extended.
Smart Images

Figure CN223019257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of brake discs, in particular to a motorcycle brake disc with a hollow air guiding structure. Background Technique
[0002] The braking effect of a motorcycle directly affects driving safety. The brake disc is an important part of the braking system. The brake disc is also called a brake rotor, and its structure basically adopts a circular disc structure. It also rotates when the vehicle is moving. The brake caliper clamps the brake disc to generate braking force. When stepping on the brake, it is the brake disc that clamps the brake disc to play a role in decelerating or stopping. When the existing brake disc brakes, a large amount of heat will be generated. If the heat cannot be dissipated in time and the temperature rises too fast, it is easy to cause the brake disc to bend and deform, resulting in shaking or abnormal noise.
[0003] To solve the above defects, in the prior art (a Chinese patent with the publication number CN219795920U and the publication date of October 3, 2023), a motorcycle brake disc is provided. By setting heat dissipation grooves and ventilation holes, and the ventilation holes are communicated with the heat dissipation grooves through communication holes. When the brake disc rotates, a large amount of gas quickly flows through each heat dissipation groove and ventilation hole, and the heat of the brake disc can be discharged in time, achieving the purpose of rapid heat dissipation and self-cooling, and improving the heat capacity and service life of the brake disc.
[0004] In the above solution, the ventilation holes and heat dissipation grooves are both arranged in a straight line. During the motorcycle ride, after the wheel rotates, the wind penetrates along the tangential direction of the brake disc. The straight-line arrangement cannot well make the wind flow to effectively cool the brake pads, thus affecting the service life of the brake pads. Content of the Utility Model
[0005] The purpose of the utility model is to provide a motorcycle brake disc with a hollow air guiding structure to solve the problem in the above background technique that in the existing motorcycle brake disc, during use, the air duct is in a straight-through state. After the wheel rotates, the wind penetrates along the tangential direction of the brake disc. The straight-line arrangement cannot well make the wind flow to effectively cool the brake pads, thus affecting the service life of the brake pads.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A motorcycle brake disc with a hollow air guiding structure includes an inner disc, and an outer disc is integrally installed outside the inner disc. Through holes are equiangularly opened on the inner disc, mounting holes are equiangularly opened on the inner disc, and heat dissipation holes are radially and equidistantly penetrated through the outer disc in a spiral shape.
[0007] Hollow channels for increasing the gas flow space are equidistantly penetrated through the outer disc, and air guiding grooves for guiding air flow are equidistantly opened outside the outer disc.
[0008] Further, the through holes and mounting holes on the inner disc are arranged in a staggered manner. The through holes are arranged in a fan-shaped structure, and the cross section of the mounting holes is arranged in a "T" - shaped structure.
[0009] Further, the heat dissipation holes and the hollow channels are arranged in a staggered manner, and the hollow channels are arranged in a spiral - radial distribution.
[0010] Further, the flow - guiding groove is arranged in a streamline structure. First flow - guiding holes are arranged at equal intervals in the flow - guiding groove, and the bottom of the first flow - guiding holes is in through - connection with the top of the hollow channel.
[0011] Further, a flow - guiding piece is installed at the inner bottom of the hollow channel. The flow - guiding piece is arranged in a streamline structure and is parallel to the flow - guiding groove.
[0012] Further, second flow - guiding holes are arranged at equal intervals on the inner wall of the heat dissipation holes, and the second flow - guiding holes are in through - connection with the bottom of the hollow channel.
[0013] Further, the second flow - guiding holes are distributed on the front and rear sides of the flow - guiding piece, and the first flow - guiding holes are arranged opposite to the flow - guiding piece.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] During the use of the motorcycle brake disc with the hollow air - guiding structure, through the hollow channel on the front side and the flow - guiding groove on the side to guide the airflow, during the operation of the motorcycle, the wind can be better guided to the brake pads. All the air - guiding structures are connected through the first flow - guiding holes and the second flow - guiding holes, accelerating the flow rate of the wind in the hollow air - guiding structure of the brake pads, accelerating the dissipation of heat, better protecting the brake pads from heat, and improving the service life of the brake pads.
[0016] 1. Further, the heat dissipation holes on the outer disc can facilitate the ventilation and heat dissipation of the brake pads during the motorcycle braking operation, and the hollow channel can further increase the air circulation space.
[0017] 2. Further, the flow - guiding groove can pour the wind into the hollow air - guiding mechanism faster along the wind flow direction, improving the heat dissipation effect on the brake pads. The wind in the flow - guiding groove enters the hollow channel through the first flow - guiding holes, thereby further increasing the flow rate of the air in the hollow channel and accelerating the heat removal.
[0018] 3. Further, the wind flowing through the hollow channel can be divided into the heat dissipation holes through the second flow - guiding holes. At the same time, the flow - guiding piece in the hollow channel can further guide the poured wind, making it shuttle more smoothly in the heat dissipation holes and the hollow channel, improving the heat dissipation effect and extending the service life of the brake pads. Description of the Drawings
[0019] Figure 1 This is a front view structural schematic diagram of the overall utility model;
[0020] Figure 2 This is a top view structural schematic diagram of the overall utility model;
[0021] Figure 3 This is the utility model Figure 2 An enlarged structural schematic diagram of part A in the utility model;
[0022] Figure 4 This is a front cross-sectional structural schematic diagram of the front side of the brake disc of the utility model;
[0023] Figure 5 This is a front cross-sectional structural schematic diagram of the rear side of the brake disc of the utility model;
[0024] Figure 6 This is an exploded structural schematic diagram of the outer disc, hollow channel and flow guiding fins of the utility model.
[0025] In the figure: 1, inner disc; 2, outer disc; 3, through hole; 4, mounting hole; 5, heat dissipation hole; 6, hollow channel; 7, flow guiding groove; 8, first flow guiding hole; 9, flow guiding fin; 10, second flow guiding hole. Specific embodiments
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0027] Embodiment 1: Please refer to Figures 1-6 , the present utility model provides the following technical solutions: A motorcycle brake disc with a hollow air guiding structure includes an inner disc 1, and an outer disc 2 is integrally installed outside the inner disc 1. Through holes 3 are equiangularly opened on the inner disc 1, mounting holes 4 are equiangularly opened on the inner disc 1, heat dissipation holes 5 are radially and spirally and equidistantly penetrated on the outer disc 2, hollow channels 6 for increasing the gas flow space are equidistantly penetrated on the outer disc 2, flow guiding grooves 7 for guiding air flow are equidistantly opened outside the outer disc 2. The through holes 3 and mounting holes 4 on the inner disc 1 are arranged in a staggered manner. The through holes 3 are set as fan-shaped structures, and the cross-section of the mounting holes 4 is set as a "T" - shaped structure;
[0028] During use, the mounting holes 4 facilitate the installation of the brake disc on the motorcycle. The through holes 3 on the inner disc 1 can reduce the mass of the brake disc and also facilitate heat dissipation. The heat dissipation holes 5 on the outer disc 2 can facilitate the ventilation and heat dissipation of the brake pads during the braking operation of the motorcycle. The hollow channel 6 can further increase the air circulation space, and the diversion grooves 7 on the outside can pour the wind into the hollow air guiding mechanism more quickly against the wind flow direction, improving the heat dissipation effect on the brake pads.
[0029] Embodiment 2: On the basis of Embodiment 1, the diversion grooves 7 and the first diversion holes 8 are also disclosed. Please refer to Figures 1-4 as shown. The specific structure is as follows: The heat dissipation holes 5 and the hollow channels 6 are staggered. The hollow channels 6 are arranged in a spiral and radial distribution. The diversion grooves 7 are arranged in a streamlined structure. The first diversion holes 8 are continuously opened at equal intervals in the diversion grooves 7. The bottom of the first diversion holes 8 is in through communication with the top of the hollow channels 6.
[0030] During use, the wind in the diversion grooves 7 enters the hollow channels 6 through the first diversion holes 8, thereby further increasing the flow rate of the air in the hollow channels 6 and accelerating the removal of heat.
[0031] Embodiment 3: On the basis of Embodiment 2, the guide vanes 9 and the second diversion holes 10 are also disclosed. Please refer to Figures 1-2 and Figures 5-6 as shown. The specific structure is as follows: The guide vanes 9 are installed at the inner bottom of the hollow channels 6. The guide vanes 9 are arranged in a streamlined structure. The guide vanes 9 are parallel to the diversion grooves 7. The second diversion holes 10 are continuously opened at equal intervals on the inner wall of the heat dissipation holes 5. The second diversion holes 10 are in through communication with the bottom of the hollow channels 6. The second diversion holes 10 are distributed on the front and back sides of the guide vanes 9. The first diversion holes 8 are opposite to the guide vanes 9.
[0032] During use, the wind flowing through the hollow channels 6 can be divided into the heat dissipation holes 5 through the second diversion holes 10. At the same time, the guide vanes 9 in the hollow channels 6 can further guide the incoming wind, making it shuttle more smoothly through the heat dissipation holes 5 and the hollow channels 6, improving the heat dissipation effect and extending the service life of the brake pads.
[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A motorcycle brake disc with a hollow air guide structure, comprising an inner disc (1), wherein an outer disc (2) is integrally mounted on the outside of the inner disc (1), a through opening (3) is formed on the inner disc (1) at an equal angle, a mounting hole (4) is formed on the inner disc (1) at an equal angle, and heat dissipation holes (5) are formed on the outer disc (2) at equal intervals in a spiral radial pattern; Features: Hollow channels (6) for increasing the gas flow space are formed at equal intervals through the outer disk (2), and flow guide grooves (7) for guiding the gas flow are formed at equal intervals outside the outer disk (2).
2. The motorcycle brake disc with a hollow air guide structure according to claim 1, characterized in that: The through openings (3) and the mounting holes (4) on the inner plate (1) are arranged in a staggered distribution, the through openings (3) are arranged in a fan-shaped structure, and the cross-section of the mounting holes (4) is arranged in a "T"-shaped structure.
3. The motorcycle brake disc with a hollow air guide structure according to claim 1, characterized in that: The heat dissipation holes (5) and the hollow channels (6) are arranged in a staggered manner, and the hollow channels (6) are arranged in a spiral radial distribution.
4. The motorcycle brake disc with a hollow air guide structure according to claim 1, characterized in that: The guide groove (7) is configured as a streamlined structure, and the guide groove (7) is provided with first guide holes (8) extending therethrough at equal intervals, and the bottom of the first guide holes (8) is in communication with the top of the hollow channel (6).
5. The motorcycle brake disc with a hollow air guide structure according to claim 1, characterized in that: A guide plate (9) is installed at the inner bottom of the hollow channel (6); the guide plate (9) is arranged in a streamlined structure; the guide plate (9) and the guide groove (7) are arranged in parallel.
6. The motorcycle brake disc with a hollow air guide structure according to claim 1, characterized in that: Second guide holes (10) are provided at equal intervals on the inner wall of the heat dissipation hole (5), and the second guide holes (10) are connected to the bottom of the hollow channel (6).
7. The motorcycle brake disc with a hollow air guide structure according to claim 6, characterized in that: The second guide holes (10) are distributed on the front and rear sides of the guide plate (9), and the first guide holes (8) and the guide plate (9) are arranged opposite to each other.