Brake heat dissipation system, brake assembly and vehicle

Abstract

The utility model relates to a brake heat dissipation system, a brake assembly and a vehicle, the brake heat dissipation system comprises an air guide channel, a telescopic pipe and a dust cover, the air guide channel is provided with an air inlet end and an air outlet end, the telescopic pipe is provided with a first end and a second end, the first end of the telescopic pipe is connected with the air outlet end of the air guide channel, and the second end of the telescopic pipe is connected with the dust cover. The telescopic pipe is arranged to be capable of extending or shortening in the extending direction of the telescopic pipe, the interior of the telescopic pipe is used for allowing air to flow, the dust cover is used for being connected to a brake disc, a gap is reserved between the dust cover and the brake disc, and the second end of the telescopic pipe is connected with the dust cover and communicated with the gap. According to the brake heat dissipation system, the telescopic pipe is directly connected with the dust cover and directly communicated with the gap, air in the telescopic pipe can be directly conveyed into the gap and can make direct contact with the brake disc, heat dissipation of the brake disc is achieved, and therefore the blocking problem of the dust cover can be avoided, and the heat dissipation effect of the brake disc can be guaranteed.

Description

Technical Field

[0001] The present disclosure relates to the technical field of brake heat dissipation, and in particular to a brake heat dissipation system, a brake assembly, and a vehicle. Background Art

[0002] In the related art, the dust cover will cover the brake disc as much as possible to prevent stones from hitting the brake disc, causing scratches on the surface of the brake disc and cracking the brake disc. However, the dust cover will block the cooling air blowing towards the brake disc, affecting the heat dissipation of the brake disc and affecting the braking performance. Utility Model Content

[0003] The purpose of the present disclosure is to provide a brake cooling system, a brake assembly and a vehicle to solve the problems in the above-mentioned related art.

[0004] To achieve the above objectives, one aspect of the present disclosure provides a brake cooling system, comprising:

[0005] An air guide channel, the air guide channel having an air inlet end and an air outlet end;

[0006] a telescopic tube having a first end and a second end, the first end of the telescopic tube being connected to the air outlet end of the air guide channel, the telescopic tube being configured to be extendable or shortened in an extension direction of the telescopic tube, and having an interior for air flow;

[0007] A dust cover is used to be connected to the brake disc, with a gap between the dust cover and the brake disc, and the second end of the telescopic tube is connected to the dust cover and communicates with the gap.

[0008] Optionally, the dust cover is provided with a through hole, the through hole passes through the dust cover, and the second end of the telescopic tube is connected to and communicates with the through hole.

[0009] Optionally, a first flange extending along the axial direction of the through hole is formed on the circumferential edge of the through hole, and the second end of the telescopic tube is connected to the first flange.

[0010] Optionally, the connection between the first flange and the circumferential edge of the through hole is configured as an arc-shaped transition, and the chamfer radius of the arc-shaped transition is greater than 20 mm.

[0011] Optionally, the gap includes a first gap and a second gap, the dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the first gap and the second gap are located between the cover body and the brake disc, the first gap is close to the through hole, and the second gap is away from the through hole, and in the axial direction of the dust cover, the width of the first gap is greater than the width of the second gap.

[0012] Optionally, in the axial direction of the dust cover, the width of the first gap is greater than or equal to 20 mm, and the width of the second gap is 5 mm.

[0013] Optionally, the dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the cover body has an outer peripheral edge, the outer peripheral edge of the cover body is formed with a second flange extending along the axial direction of the dust cover, the second flange partially covers the outer peripheral wall of the brake disc so that the ventilation ribs of the brake disc are at least partially exposed, and the gap includes a third gap, and the third gap is located between the second flange and the outer peripheral wall of the brake disc.

[0014] Optionally, in the radial direction of the dust cover, the width of the third gap is 5 mm.

[0015] Optionally, the dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the cover body has an inner peripheral edge, the inner peripheral edge of the cover body is formed with a third flange extending along the axial direction of the dust cover, the third flange covers the inner peripheral wall of the brake disc to cover the ventilation ribs of the brake disc, and the gap includes a fourth gap, and the fourth gap is located between the third flange and the inner peripheral wall of the brake disc.

[0016] Optionally, in the radial direction of the dust cover, the width of the fourth gap is 5 mm.

[0017] Optionally, the air guide channel extends along the front-to-rear direction of the vehicle, the air inlet end of the air guide channel extends to the front end of the vehicle and is connected to the front bumper of the vehicle, and the air outlet end of the air guide channel passes through the wheel arch of the vehicle and is connected to the telescopic tube.

[0018] Optionally, the telescopic tube is configured as a metal bellows, and the telescopic tube is used to be connected to a steering rod or a swing arm.

[0019] A second aspect of the present disclosure further provides a brake assembly comprising a brake disc, a brake, and the above-mentioned brake cooling system;

[0020] The brake is connected to the brake disc, and the dust cover of the brake cooling system is connected to the brake disc.

[0021] A third aspect of the present disclosure further provides a vehicle comprising the above-mentioned brake cooling system, or comprising the above-mentioned brake assembly.

[0022] The above technical solution, through the provision of an air guide channel, can achieve air diversion, delivering air to the telescopic tube. Through the direct connection of the telescopic tube to the dust cover and direct communication with the gap, the air within the telescopic tube can be directly delivered to the gap, directly contacting the brake disc. The dust cover can also restrict and guide the air flow, allowing the air to fully contact the brake disc. As the air continues to flow, it can remove heat from the brake disc, achieving heat dissipation from the brake disc, thereby avoiding obstruction by the dust cover and ensuring effective heat dissipation from the brake disc, thereby ensuring braking performance. The direct connection between the telescopic tube and the dust cover allows the telescopic tube to extend or shorten as the wheel rotates to achieve vehicle steering, thereby ensuring the connection between the telescopic tube and the dust cover and avoiding separation or interference.

[0023] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following detailed description, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0025] Figure 1 It is a structural schematic diagram of a brake cooling system according to an embodiment of the present invention.

[0026] Figure 2 It is a schematic diagram of the positions of the through holes on the dust cover according to one embodiment of the present disclosure.

[0027] Figure 3 This is an embodiment of the present disclosure Figure 2 Enlarged schematic diagram of position A in the middle.

[0028] Figure 4 It is a structural schematic diagram from one perspective of the connection relationship between the dust cover and the brake disc in one embodiment of the present invention.

[0029] Figure 5 It is a structural schematic diagram showing the connection relationship between the dust cover and the brake disc from another perspective in one embodiment of the present invention.

[0030] Description of Reference Numerals

[0031] 1. Air guide channel;

[0032] 2. Telescopic tube;

[0033] 3. Dust cover, 31. Through hole, 32. First flange, 33. Cover body, 34. Second flange, 35. Third flange, 36. Arc transition;

[0034] 4. Gap, 41. First Gap, 42. Second Gap, 43. Third Gap, 44. Fourth Gap;

[0035] 5. Front bumper;

[0036] 6. Wheel covers;

[0037] 7. Brake;

[0038] 8. Brake disc. DETAILED DESCRIPTION

[0039] The following describes the specific embodiments of the present disclosure in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure and are not intended to limit the present disclosure.

[0040] In this disclosure, unless otherwise indicated, directional terms such as the front and rear ends of a vehicle, the fore-aft direction of a vehicle, and the left-right direction of a vehicle are generally defined in terms of the vehicle's direction when in motion. The terms "inside" and "outside" refer to the inside and outside of the relevant components. Furthermore, the terms "first" and "second," etc., are used solely for purposes of distinction and are not to be construed as indicating or implying relative importance.

[0041] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified or limited, the terms "disposed" and "connected" should be understood in a broad sense. For example, they may refer to a fixed connection, a detachable connection, or an integral connection. They may be directly connected or indirectly connected through an intermediate medium, or they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this disclosure based on specific circumstances.

[0042] Braking is a critical attribute of a vehicle. Excessive temperatures in the brake disc or friction pad can significantly impact braking performance, causing thermal decay, significantly increasing the vehicle's stopping distance or even leading to a complete loss of braking force, seriously impacting driving safety. Therefore, improving the heat dissipation capacity of the vehicle's brake disc is of great significance.

[0043] Most current family cars use the rotation of the brake disc to remove heat from the disc, thereby reducing its temperature. Some models incorporate additional brake air ducts to actively dissipate heat and cool the disc. A dust cover is located between the brake disc and the suspension steering knuckle. Its primary function is to prevent stones from hitting the disc, potentially scratching or cracking it. It also provides insulation, preventing the high-temperature radiation from the disc from damaging surrounding rubber and electronic components.

[0044] In the related art, the dust cover will partially avoid the surrounding parts while covering the brake disc as much as possible to prevent stones from hitting the brake disc and causing scratches on the surface of the brake disc and cracking the brake disc. However, the dust cover will block the cooling air blowing to the brake disc, resulting in the air blown out of the brake air duct not being able to blow directly onto the brake disc, which will affect the heat dissipation of the brake disc and affect the braking performance.

[0045] For this reason, Figure 1-Figure 5 As shown, one aspect of the present disclosure provides a brake cooling system, including an air guide channel 1 , a telescopic tube 2 and a dust cover 3 .

[0046] The air guide channel 1 has an air inlet end and an air outlet end. The air guide channel 1 is used to provide air flow and realize air transportation. The air inlet end of the air guide channel 1 is used for air intake, and the air outlet end of the air guide channel 1 is used for air outlet.

[0047] The telescopic tube 2 has a first end and a second end. The first end of the telescopic tube 2 is connected to the air outlet end of the air guide channel 1. The telescopic tube 2 is configured to be able to extend or shorten in the extension direction of the telescopic tube 2, and the telescopic tube 2 is used for air flow.

[0048] The dust cover 3 is used to be connected to the brake disc 8 , with a gap 4 being left between the dust cover 3 and the brake disc 8 . The second end of the telescopic tube 2 is connected to the dust cover 3 and communicates with the gap 4 .

[0049] The dust cover 3 can protect the brake disc 8 , and the gap 4 between the dust cover 3 and the brake disc 8 ensures that the dust cover 3 and the brake disc 8 do not contact each other, thereby preventing interference problems.

[0050] In the above technical solution, the provision of the air guide channel 1 enables air to be diverted and delivered to the telescopic tube 2. Through the direct connection between the telescopic tube 2 and the dust cover 3 and the direct communication with the gap 4, the air within the telescopic tube 2 can be directly delivered to the gap 4 and directly contact the brake disc 8. The dust cover 3 can also restrict and guide the air flow, allowing the air to fully contact the brake disc 8. As the air continues to flow, it can remove heat from the brake disc 8, achieving heat dissipation from the brake disc 8, thereby avoiding the obstruction problem of the dust cover 3, ensuring the heat dissipation effect of the brake disc 8, and thus ensuring braking performance. The direct connection between the telescopic tube 2 and the dust cover 3 allows the telescopic tube 2 to extend or shorten with the rotation of the wheel when the vehicle turns, thereby ensuring the connection between the telescopic tube 2 and the dust cover 3 and avoiding the problem of separation or interference.

[0051] To facilitate communication between the telescopic tube 2 and the gap 4, in one embodiment of the present disclosure, the dust cover 3 optionally defines a through hole 31. The through hole 31 extends through the dust cover 3, and the second end of the telescopic tube 2 is connected to and communicates with the through hole 31. By defining the through hole 31 in the dust cover 3, air flowing out of the second end of the telescopic tube 2 can flow directly into the gap 4 through the through hole 31, thereby ensuring a sufficient air flow rate.

[0052] The through hole 31 extends along the axis of the dust cover 3 and penetrates the dust cover 3. In other words, the through hole 31 is formed on the side of the dust cover 3 facing away from the brake disc 8 and extends toward the brake disc 8. The through hole 31 communicates with the gap 4. It will be understood that when the second end of the telescopic tube 2 is connected to the dust cover 3, the second end of the telescopic tube 2 is directly connected to the through hole 31.

[0053] To further enhance the connection between the telescopic tube 2, the dust cover 3, and the through hole 31, in one embodiment of the present disclosure, a first flange 32 extending along the axis of the through hole 31 is optionally formed along the circumferential edge of the through hole 31, and the second end of the telescopic tube 2 is connected to the first flange 32. The provision of the first flange 32 facilitates connection with the second end of the telescopic tube 2. After connection, the second end of the telescopic tube 2 can communicate with the through hole 31, facilitating manufacturing and assembly.

[0054] Among them, the first flange 32 is an extended structure, and the first flange 32 extends outward from the circumferential edge of the through hole 31, thereby the first flange 32 forms a circular ring structure. The first flange 32 can be integrally formed with the dust cover 3 or welded and fixed, so that the second end of the telescopic tube 2 can be directly matched and connected with the first flange 32, and the second end of the telescopic tube 2 and the first flange 32 can be welded and fixed.

[0055] In some examples, the second end of the telescopic tube 2 can be directly sleeved onto the first flange 32 to achieve connection. It is understood that the outer diameter of the first flange 32 is slightly smaller than the inner diameter of the second end of the telescopic tube 2, which facilitates the first flange 32 to extend into the second end of the telescopic tube 2. In other examples, the first flange 32 can be sleeved onto the second end of the telescopic tube 2. It is understood that the inner diameter of the first flange 32 is slightly larger than the outer diameter of the second end of the telescopic tube 2, which facilitates the second end of the telescopic tube 2 to extend into the first flange 32 to achieve connection.

[0056] Optionally, in one embodiment of the present disclosure, the connection between the first flange 32 and the circumferential edge of the through hole 31 is configured as an arcuate transition 36, with a chamfer radius greater than 20 mm. This arrangement facilitates the flow of air from the through hole 31 into the gap 4 and increases the size of the gap 4 near the through hole 31, thereby ensuring the amount of air entering the gap 4 and ensuring effective heat dissipation. The entire connection between the first flange 32 and the circumferential edge of the through hole 31 is formed as an arcuate transition 36.

[0057] In order to increase the air flow rate in the gap 4, optionally, in one embodiment of the present disclosure, the gap 4 includes a first gap 41 and a second gap 42, the dust cover 3 includes a cover body 33, one side of the cover body 33 is arranged opposite to one side of the brake disc 8, the first gap 41 and the second gap 42 are located between the cover body 33 and the brake disc 8, the first gap 41 is close to the through hole 31, and the second gap 42 is away from the through hole 31, and in the axial direction of the dust cover 3, the width of the first gap 41 is greater than the width of the second gap 42.

[0058] Among them, the cover body 33 is constructed as a plate-like structure, and the cover body 33 has two oppositely arranged sides. One side of the cover body 33 is face-to-face with one side of the brake disc 8, thereby protecting the brake disc 8, and the first gap 41 and the second gap 42 are both the interval spaces between the cover body 33 and the brake disc 8 facing each other, that is, the distance between one side of the cover body 33 and one side of the brake disc 8. The first gap 41 and the second gap 42 can avoid interference between the cover body 33 and the brake disc 8.

[0059] Among them, the first gap 41 and the second gap 42 can both provide air circulation, and the flowing air can take away the heat on the brake disc 8. The first gap 41 is close to the through hole 31, so the air in the through hole 31 first enters the first gap 41. Since in the axial direction of the dust cover 3, the width of the first gap 41 is greater than the width of the second gap 42, that is, the width of the second gap 42 is small. At this time, the air pressure increases when it flows from the first gap 41 to the second gap 42, so that the air flow rate is increased and it can flow quickly, thereby quickly taking away the heat on the brake disc 8 to improve the convective heat transfer coefficient of the brake disc surface.

[0060] Optionally, in one embodiment of the present disclosure, in the radial direction of the brake disc 8 and the cover body 33, the first gap 41 and the second gap 42 are located at the left and right ends of the brake disc 8 and the cover body 33, that is, the first gap 41 is located at one end of the brake disc 8 and the cover body 33, and the second gap 42 is located at the other end of the brake disc 8 and the cover body 33, thereby allowing air to flow through most areas of the brake disc 8, thereby improving the heat dissipation effect of the brake disc 8.

[0061] Optionally, in one embodiment of the present disclosure, the second gap 42 is close to the brake 7 connected to the brake disc 8, and the air flowing out of the second gap 42 can be blown toward the brake 7, thereby also dissipating the heat of the brake 7.

[0062] Optionally, in one embodiment of the present disclosure, in the axial direction of the dust cover 3 , the width of the first gap 41 is greater than or equal to 20 mm, and the width of the second gap 42 is 5 mm.

[0063] The width of the first gap 41 can be set to a specific value according to actual needs and is not limited here. The width of the second gap 42 is set to ensure the required air flow and flow rate between the dust cover 3 and the brake disc 8 while preventing collision and interference between the dust cover 3 and the brake disc 8.

[0064] Optionally, in one embodiment of the present disclosure, an air guide is provided at the second end of the telescopic tube 2 , and the air guide extends into the gap 4 , and air is transported into the gap 4 through the air guide.

[0065] Optionally, in one embodiment of the present disclosure, the dust cover 3 includes a cover body 33, one side of the cover body 33 is arranged opposite to one side of the brake disc 8, the cover body 33 has an outer peripheral edge, and the outer peripheral edge of the cover body 33 is formed with a second flange 34 extending along the axial direction of the dust cover 3, the second flange 34 partially covers the outer peripheral wall of the brake disc 8 so that the ventilation ribs of the brake disc 8 are at least partially exposed, and the gap 4 includes a third gap 43, and the third gap 43 is located between the second flange 34 and the outer peripheral wall of the brake disc 8.

[0066] The outer periphery of the cover 33 is adjacent to the outer peripheral wall of the brake disc 8. The second flange 34 is formed by folding and extending the outer periphery of the cover 33 toward the brake disc 8. The second flange 34 is located on the outer peripheral wall of the brake disc 8. The second flange 34 partially covers the outer peripheral wall of the brake disc 8, thereby sealing the first gap 41 and the second gap 42. This effectively blocks air flow, allowing air entering the gap 4 through the through hole 31 to move along the general circumferential direction of the brake disc 8 while preventing air from directly escaping from the outer peripheral wall of the brake disc 8, thereby ensuring heat dissipation from the brake disc 8. In some examples, the second flange 34 can be integrally formed or welded with the cover 33.

[0067] It should be noted that the second flange 34 does not completely cover the outer peripheral wall of the brake disc 8, so that the ventilation ribs of the brake disc 8 are at least partially exposed, thereby allowing air to flow out from the ventilation ribs to achieve heat dissipation inside the brake disc 8.

[0068] The third gap 43 enables a distance to exist between the second flange 34 and the outer peripheral wall of the brake disc 8 , thereby avoiding interference between the second flange 34 and the brake disc 8 .

[0069] Optionally, in one embodiment of the present disclosure, the width of the third gap 43 is 5 mm in the radial direction of the dust cover 3. This configuration can prevent interference between the second flange 34 and the brake disc 8 to a limited extent, while ensuring that the first gap 41 and the second gap 42 are sealed, creating an air barrier and allowing air to flow generally along the circumference of the brake disc 8.

[0070] Optionally, in one embodiment of the present disclosure, the dust cover 3 includes a cover body 33, one side of the cover body 33 is arranged opposite to one side of the brake disc 8, the cover body 33 has an inner peripheral edge, and the inner peripheral edge of the cover body 33 is formed with a third flange 35 extending along the axial direction of the dust cover 3, the third flange 35 covers the inner peripheral wall of the brake disc 8 to cover the ventilation ribs of the brake disc 8, and the gap 4 includes a fourth gap 44, and the fourth gap 44 is located between the third flange 35 and the inner peripheral wall of the brake disc 8.

[0071] The inner circumference of the cover 33 is adjacent to the inner circumferential wall of the brake disc 8. The third flange 35 is formed by folding and extending the inner circumferential edge of the cover 33 toward the brake disc 8. The third flange 35 is located on the inner circumferential wall of the brake disc 8. The third flange 35 covers the inner circumferential wall of the brake disc 8, that is, it seals the first gap 41 and the second gap 42, thereby blocking air and allowing air entering the first gap 41 and the second gap 42 through the through-hole 31 to move along the general circumferential direction of the brake disc 8. At the same time, because the third flange 35 covers the inner circumferential wall of the brake disc 8 and covers the ventilation ribs of the brake disc 8, it can provide a diversion effect, allowing some air to flow into the ventilation ribs under the action of the third flange 35, thereby dissipating heat from the ventilation ribs and the interior of the brake disc 8. This portion of air enters the ventilation ribs from the inner circumferential wall of the brake disc 8 and flows out from the outer circumferential wall of the brake disc 8. In some examples, the third flange 35 can be integrally formed or welded with the cover 33.

[0072] The fourth gap 44 enables a distance to exist between the third flange 35 and the inner peripheral wall of the brake disc 8 , thereby avoiding interference between the third flange 35 and the brake disc 8 .

[0073] Optionally, in one embodiment of the present disclosure, the width of the fourth gap 44 in the radial direction of the dust cover 3 is 5 mm. This configuration can minimize interference between the third flange 35 and the brake disc 8 while ensuring the sealing effect of the first gap 41 and the second gap 42, thereby blocking air flow and allowing air to flow generally along the circumference of the brake disc 8. The air can also be directed to the ventilation ribs to achieve internal heat dissipation of the brake disc 8.

[0074] Optionally, in one embodiment of the present disclosure, air guide duct 1 extends in the front-to-rear direction of the vehicle, with its inlet end extending to the front end of the vehicle and connected to the front bumper 5, and its outlet end passing through the vehicle's wheel arch 6 to connect to the telescopic tube 2. This arrangement facilitates airflow collection and introduction into air guide duct 1, allowing air from the front bumper 5 to be directly conveyed to the telescopic tube 2, where it is then directed to the gap 4 between the brake disc and the dust cover 3, effectively dissipating heat from the brake disc 8.

[0075] It is understandable that during the driving of the vehicle, air can directly enter the air guide channel 1 to achieve rapid collection of airflow without the need for additional equipment for air inhalation, which is low-cost.

[0076] Among them, a mounting structure for fixing the air guide channel 1 can be set at the front bumper 5 for installing the air guide channel 1, and the air guide channel 1 can adopt a metal pipe. The width of the air guide channel 1 can be as large as possible and maintain internal streamlines to increase the air flow and flow rate.

[0077] A mounting hole can be provided on the vehicle's wheel housing 6, and the outlet end of air guide duct 1 extends through the mounting hole into the wheel cavity to connect with telescopic tube 2. The outlet end of air guide duct 1 must avoid the motion envelope of the wheel to prevent interference, while ensuring sufficient space for the installation of telescopic tube 2. In some examples, air guide duct 1 is constructed as a metal tube and connected to the vehicle's front wheel housing 6.

[0078] Optionally, in one embodiment of the present disclosure, the telescopic tube 2 is constructed as a metal bellows and is used to connect to the steering rod or the swing arm. This configuration allows the telescopic tube 2 to be heat-resistant, have a long service life, and be less prone to damage.

[0079] It should be noted that the retractable range of the telescopic tube 2 needs to be able to cover the relative movement envelope of the dust cover 3 and the air guide channel 1. This is because the dust cover 3 will move with the rotation and jumping of the vehicle's wheels, while the air guide channel 1 is a relatively static object, and the telescopic tube 2 needs to ensure that the two are interconnected.

[0080] Optionally, in another embodiment of the present disclosure, the telescopic tube 2 may include an inner tube and an outer tube that are nested with each other, and the inner tube and the outer tube can slide relative to each other to achieve telescopic or shortening. At the same time, flexible rubber sleeves are respectively provided at both ends of the telescopic tube 2, and the flexible rubber sleeves at both ends of the telescopic tube 2 are respectively connected to the through hole 31 and the air guide channel 1 to meet the relative movement of the dust cover 3 and the air guide channel 1.

[0081] A second aspect of the present disclosure further provides a brake assembly, comprising a brake disc 8, a brake 7 and the above-mentioned brake cooling system.

[0082] The brake 7 is connected to the brake disc 8 , and the dust cover 3 of the brake cooling system is connected to the brake disc 8 .

[0083] A third aspect of the present disclosure further provides a vehicle comprising the above-mentioned brake cooling system, or comprising the above-mentioned brake assembly.

[0084] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0085] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0086] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A brake cooling system, characterized in that: include: An air guide channel, the air guide channel having an air inlet end and an air outlet end; a telescopic tube having a first end and a second end, the first end of the telescopic tube being connected to the air outlet end of the air guide channel, the telescopic tube being configured to be extendable or shortened in an extension direction of the telescopic tube, and having an interior for air flow; A dust cover is used to be connected to the brake disc, with a gap between the dust cover and the brake disc, and the second end of the telescopic tube is connected to the dust cover and communicates with the gap.

2. The brake cooling system according to claim 1, characterized in that: The dust cover is provided with a through hole, which passes through the dust cover, and the second end of the telescopic tube is connected to and communicates with the through hole.

3. The brake cooling system according to claim 2, characterized in that: A first flange extending along the axial direction of the through hole is formed on the circumferential edge of the through hole, and the second end of the telescopic tube is connected to the first flange.

4. The brake cooling system according to claim 3, characterized in that: The connection between the first flange and the circumferential edge of the through hole is configured as an arc-shaped transition, and the chamfer radius of the arc-shaped transition is greater than 20 mm.

5. The brake cooling system according to claim 2, characterized in that: The gap includes a first gap and a second gap, the dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the first gap and the second gap are located between the cover body and the brake disc, the first gap is close to the through hole, and the second gap is away from the through hole. In the axial direction of the dust cover, the width of the first gap is greater than the width of the second gap.

6. The brake cooling system according to claim 5, characterized in that: In the axial direction of the dust cover, the width of the first gap is greater than or equal to 20 mm, and the width of the second gap is 5 mm.

7. The brake cooling system according to claim 1, characterized in that: The dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the cover body has an outer peripheral edge, and the outer peripheral edge of the cover body is formed with a second flange extending along the axial direction of the dust cover, the second flange partially covers the outer peripheral wall of the brake disc so that the ventilation ribs of the brake disc are at least partially exposed, and the gap includes a third gap, and the third gap is located between the second flange and the outer peripheral wall of the brake disc.

8. The brake cooling system according to claim 7, characterized in that: In the radial direction of the dust cover, the width of the third gap is 5 mm.

9. The brake cooling system according to claim 1, characterized in that: The dust cover includes a cover body, one side of the cover body is arranged opposite to one side of the brake disc, the cover body has an inner peripheral edge, the inner peripheral edge of the cover body is formed with a third flange extending along the axial direction of the dust cover, the third flange covers the inner peripheral wall of the brake disc to cover the ventilation ribs of the brake disc, the gap includes a fourth gap, and the fourth gap is located between the third flange and the inner peripheral wall of the brake disc.

10. The brake cooling system according to claim 9, characterized in that: In the radial direction of the dust cover, the width of the fourth gap is 5 mm.

11. The brake cooling system according to any one of claims 1 to 10, characterized in that: The air guide channel extends along the front-to-rear direction of the vehicle, the air inlet end of the air guide channel extends to the front end of the vehicle and is connected to the front bumper of the vehicle, and the air outlet end of the air guide channel passes through the wheel arch of the vehicle and is connected to the telescopic tube.

12. The brake cooling system according to any one of claims 1 to 10, characterized in that: The telescopic tube is configured as a metal bellows and is used for connecting with a steering rod or a swing arm.

13. A brake assembly, characterized in that: comprising a brake disc, a brake, and a brake cooling system according to any one of claims 1 to 12; The brake is connected to the brake disc, and the dust cover of the brake cooling system is connected to the brake disc.

14. A vehicle, characterized in that: The invention comprises the brake cooling system according to any one of claims 1 to 12, or comprises the brake assembly according to claim 13.

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