Brake disc assembly, brake and vehicle

Abstract

The utility model discloses a brake disc assembly, a brake and a vehicle, the brake disc assembly is used for the vehicle and comprises a first friction disc, a second friction disc, a first heat dissipation structure and a second heat dissipation structure, and the first friction disc and the second friction disc are arranged and connected in the thickness direction of the first friction disc; the first heat dissipation structure is located between the first friction disc and the second friction disc and connected with at least one of the first friction disc and the second friction disc, and a heat dissipation air channel is formed among the first heat dissipation structure, the first friction disc and the second friction disc; the second heat dissipation structure is arranged in the heat dissipation air channel, at least one of the first friction disc and the second friction disc is provided with the second heat dissipation structure, and the second heat dissipation structure is connected with one of the first friction disc and the second friction disc and is separated from the other one of the first friction disc and the second friction disc. According to the brake disc assembly, the heat exchange area between the first friction disc and the second friction disc and airflow in the heat dissipation air channel can be increased, and the heat exchange effect of the brake disc assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle braking, in particular to a brake disc assembly, a brake and a vehicle. Background Art

[0002] In the prior art, the surface area of the air duct in the brake disc is small, so that the flow rate of the cold air that can contact the inner wall of the air duct and perform heat exchange per unit time is low, and the heat exchange effect of the brake disc is poor. Content of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a brake disc assembly, which can increase the heat exchange area between the first friction disc and the second friction disc and the air flow in the heat dissipation air duct, can increase the residence time of the colder external air flow in the heat dissipation air duct, and improve the heat exchange effect of the brake disc assembly.

[0004] The utility model also provides a brake, which comprises the above-mentioned brake disc assembly.

[0005] The utility model also provides a vehicle, which comprises the above-mentioned brake.

[0006] The brake disc assembly according to the embodiment of the utility model is used for a vehicle and comprises a first friction disc, a second friction disc, a first heat dissipation structure and a second heat dissipation structure. The first friction disc and the second friction disc are arranged and connected in the thickness direction of the first friction disc. The first heat dissipation structure is located between the first friction disc and the second friction disc and is connected with at least one of the first friction disc and the second friction disc. A heat dissipation air duct is formed among the first heat dissipation structure, the first friction disc and the second friction disc. The second heat dissipation structure is arranged in the heat dissipation air duct, and the second heat dissipation structure is arranged on at least one of the first friction disc and the second friction disc. The second heat dissipation structure is connected with one of the first friction disc and the second friction disc and is spaced apart from the other.

[0007] According to the brake disc assembly of the embodiment of the utility model, by arranging the second heat dissipation structure in the heat dissipation air duct formed among the first heat dissipation structure, the first friction disc and the second friction disc, the second heat dissipation structure is arranged on at least one of the first friction disc and the second friction disc, the second heat dissipation structure is connected with one of the first friction disc and the second friction disc and is spaced apart from the other. The second heat dissipation structure does not affect the flow of the air flow in the heat dissipation air duct, and can increase the heat exchange area between the first friction disc and the second friction disc and the air flow in the heat dissipation air duct, can increase the residence time of the colder external air flow in the heat dissipation air duct, and improve the heat exchange effect of the brake disc assembly.

[0008] In addition, the brake disc assembly according to the present utility model may further have the following additional technical features:

[0009] In some embodiments of the present utility model, the first heat dissipation structure is provided on the first friction disc and is an integral part of the first friction disc, and the first heat dissipation structure abuts against the second friction disc; or, the first heat dissipation structure is provided on the second friction disc and is an integral part of the second friction disc, and the first heat dissipation structure abuts against the first friction disc; or, in the thickness direction of the first friction disc, the first heat dissipation structure includes a first sub-heat dissipation structure and a second sub-heat dissipation structure, the first sub-heat dissipation structure is provided on the first friction disc and is an integral part of the first friction disc, the second sub-heat dissipation structure is provided on the second friction disc and is an integral part of the second friction disc, and the first sub-heat dissipation structure and the second sub-heat dissipation structure abut against each other.

[0010] In some embodiments of the present utility model, in a plane parallel to the plane of the first friction disc, the first heat dissipation structures are multiple and spaced apart along the circumferential direction of the first friction disc, a first air duct is formed between two adjacent first heat dissipation structures, the multiple first air ducts constitute the heat dissipation air duct, and at least one of the first air ducts is provided with the second heat dissipation structure.

[0011] In some embodiments of the present utility model, the first heat dissipation structure extends along the radial direction of the first friction disc and includes a plurality of heat dissipation protrusions spaced apart in the radial direction of the first friction disc.

[0012] In some embodiments of the present utility model, the plurality of heat dissipation protrusions include a first sub-heat dissipation protrusion and a second sub-heat dissipation protrusion, the first sub-heat dissipation protrusion is located radially inside the second sub-heat dissipation protrusion, the first sub-heat dissipation protrusion is strip-shaped, the second sub-heat dissipation protrusion is dot-shaped, and a gap between the first sub-heat dissipation protrusion and the second sub-heat dissipation protrusion forms a second air duct, and the second air duct communicates with two of the first air ducts spaced apart along the circumferential direction of the first friction disc.

[0013] In some embodiments of the present utility model, the first friction disc is provided with the first heat dissipation structure, the surface of the first friction disc facing away from the first heat dissipation structure is a plane, or a groove is provided at a position corresponding to the first heat dissipation structure on the surface of the first friction disc facing away from the first heat dissipation structure; and / or, the first friction disc is provided with a second heat dissipation structure, the surface of the first friction disc facing away from the second heat dissipation structure is a plane, or a groove is provided at a position corresponding to the first heat dissipation structure on the surface of the first friction disc facing away from the second heat dissipation structure; and / or, the second friction disc is provided with the first heat dissipation structure, the surface of the second friction disc facing away from the first heat dissipation structure is a plane, or a groove is provided at a position corresponding to the first heat dissipation structure on the surface of the second friction disc facing away from the first heat dissipation structure; and / or, the second friction disc is provided with a second heat dissipation structure, the surface of the second friction disc facing away from the second heat dissipation structure is a plane, or a groove is provided at a position corresponding to the first heat dissipation structure on the surface of the second friction disc facing away from the second heat dissipation structure.

[0014] In some embodiments of the present utility model, the brake disc assembly further includes a mounting disc and a support portion, the mounting disc is connected to the vehicle, and the mounting disc is connected to the first friction disc and / or the second friction disc; the support portion is provided between the mounting disc, the first friction disc and / or the second friction disc.

[0015] The brake according to an embodiment of the present utility model includes the above-mentioned brake disc assembly, the vehicle includes a steering knuckle, the steering knuckle is connected to the vehicle body, the brake disc assembly includes a mounting disc, and the mounting disc is connected to the steering knuckle.

[0016] According to the brake of the embodiment of the present utility model, by arranging the second heat dissipation structure in the heat dissipation air duct formed between the first heat dissipation structure, the first friction disc and the second friction disc, at least one of the first friction disc and the second friction disc is provided with the second heat dissipation structure, the second heat dissipation structure is connected to one of the first friction disc and the second friction disc and is spaced apart from the other, the second heat dissipation structure does not affect the flow of the air in the heat dissipation air duct, and can increase the heat exchange area between the first friction disc and the second friction disc and the air in the heat dissipation air duct, and can increase the residence time of the relatively cold external air in the heat dissipation air duct, thereby increasing the heat exchange effect of the brake disc assembly.

[0017] In some embodiments of the present utility model, the brake further includes an air deflector, which is fixedly connected to the steering knuckle. The air deflector is disposed outside the first friction disc or the second friction disc and together defines an air inlet duct, and the air inlet duct is communicated with the heat dissipation duct. Along the front-back direction of the vehicle, an air inlet communicating with the air inlet duct is provided above the front side of the air deflector. In the direction from the rear to the front, the air deflector at the air inlet inclines away from the first friction disc or the second friction disc.

[0018] In some embodiments of the present utility model, the air deflector further includes an air outlet, which is disposed on the upper side of the air deflector. Along the front-back direction of the vehicle, the air outlet faces the rear side of the vehicle.

[0019] The vehicle according to an embodiment of the present utility model includes the above-mentioned brake.

[0020] In the vehicle according to an embodiment of the present utility model, by disposing the second heat dissipation structure in the heat dissipation duct formed between the first heat dissipation structure, the first friction disc and the second friction disc, at least one of the first friction disc and the second friction disc is provided with the second heat dissipation structure. The second heat dissipation structure is connected to one of the first friction disc and the second friction disc and is spaced apart from the other. The second heat dissipation structure does not affect the flow of the air flow in the heat dissipation duct, and can increase the heat exchange area between the first friction disc and the second friction disc and the air flow in the heat dissipation duct, and can increase the residence time of the colder external air flow in the heat dissipation duct, thereby increasing the heat exchange effect of the brake disc assembly.

[0021] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0022] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0023] Figure 1 is a cross-sectional view of the brake according to an embodiment of the present utility model;

[0024] Figure 2 is a front view of the brake according to an embodiment of the present utility model;

[0025] Figure 3 is a cross-sectional view of the brake according to another embodiment of the present utility model;

[0026] Figure 4 is a top view of the brake according to an embodiment of the present utility model;

[0027] Figure 5 It is the right view of the brake according to an embodiment of the present utility model;

[0028] Figure 6 It is the left view of the brake according to an embodiment of the present utility model;

[0029] Figure 7 It is the rear view of the brake according to an embodiment of the present utility model.

[0030] Reference numerals:

[0031] 100, brake;

[0032] 10, brake disc assembly;

[0033] 1, first friction disc; 2, second friction disc;

[0034] 3, first heat dissipation structure; 31, heat dissipation protrusion; 311, first sub - heat dissipation protrusion; 312, second sub - heat dissipation protrusion; 32, heat dissipation air duct; 321, first air duct; 322, second air duct; 33, groove;

[0035] 4, second heat dissipation structure; 41, heat dissipation sub - protrusion;

[0036] 5, mounting disc; 6, supporting part;

[0037] 20, air deflector; 201, air inlet duct; 202, air inlet; 203, air outlet;

[0038] 30, brake caliper; 301, caliper body; 302, bracket; 303, friction pad; 304, guide pin; 40, wheel hub bearing; 200, steering knuckle. Detailed implementation manners

[0039] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the present utility model.

[0041] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0042] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] The brake disc assembly 10 according to an embodiment of the present utility model will be described below with reference to the drawings.

[0044] As Figure 1 shown, the brake disc assembly 10 according to an embodiment of the present utility model includes a first friction disc 1, a second friction disc 2, a first heat dissipation structure 3, and a second heat dissipation structure 4.

[0045] Specifically, the brake disc assembly 10 is used for a vehicle and can achieve braking of the vehicle, improving the safety during the driving process of the vehicle.

[0046] Furthermore, as Figure 1 shown, the first friction disc 1 and the second friction disc 2 are in the thickness direction of the first friction disc 1 (as Figure 1They are arranged and connected in the first direction shown, which is conducive to the dispersion and dissipation of heat. During braking, the first friction disc 1 and the second friction disc 2 work simultaneously, which can significantly increase the frictional force generated during braking, thereby enhancing the braking performance and enabling the vehicle to decelerate or stop more quickly. The generated heat can be more evenly distributed to the first friction disc 1 and the second friction disc 2, reducing the temperature rise of a single first friction disc 1 or second friction disc 2 and avoiding the decline in braking performance caused by overheating.

[0047] Furthermore, as Figure 1 shown, the first heat dissipation structure 3 is located between the first friction disc 1 and the second friction disc 2 and is connected to at least one of the first friction disc 1 and the second friction disc 2. A heat dissipation air duct 32 is formed among the first heat dissipation structure 3, the first friction disc 1 and the second friction disc 2. The air flow between the first friction disc 1 and the second friction disc 2 flows in the heat dissipation air duct 32 and exchanges heat with the first heat dissipation structure 3, the first friction disc 1 and the second friction disc 2, which helps to dissipate the heat of the first friction disc 1 and the second friction disc 2 and improves the thermal stability during vehicle braking.

[0048] Even further, as Figure 1 shown, the second heat dissipation structure 4 is arranged in the heat dissipation air duct 32, and the second heat dissipation structure 4 is provided on at least one of the first friction disc 1 and the second friction disc 2. The second heat dissipation structure 4 is connected to one of the first friction disc 1 and the second friction disc 2 and is spaced apart from the other. The second heat dissipation structure 4 does not affect the flow of the air flow in the heat dissipation air duct 32, and can increase the heat exchange area between the first friction disc 1 and the second friction disc 2 and the air flow in the heat dissipation air duct 32, and can increase the residence time of the cooler external air flow in the heat dissipation air duct 32, increasing the heat exchange effect of the brake disc assembly 10.

[0049] For the brake disc assembly 10 according to the embodiment of the present invention, by arranging the second heat dissipation structure 4 in the heat dissipation air duct 32 formed among the first heat dissipation structure 3, the first friction disc 1 and the second friction disc 2, the second heat dissipation structure 4 is provided on at least one of the first friction disc 1 and the second friction disc 2. The second heat dissipation structure 4 is connected to one of the first friction disc 1 and the second friction disc 2 and is spaced apart from the other. The second heat dissipation structure 4 does not affect the flow of the air flow in the heat dissipation air duct 32, and can increase the heat exchange area between the first friction disc 1 and the second friction disc 2 and the air flow in the heat dissipation air duct 32, and can increase the residence time of the cooler external air flow in the heat dissipation air duct 32, increasing the heat exchange effect of the brake disc assembly 10.

[0050] In some embodiments of the present utility model, the first heat dissipation structure 3 is disposed on the first friction plate 1 and is an integral part with the first friction plate 1. The first heat dissipation structure 3 abuts against the second friction plate 2. The first heat dissipation structure 3 and the first friction plate 1 can be integrally processed and formed, so that the first heat dissipation structure 3 and the first friction plate 1 can be assembled with the second friction plate 2 synchronously, and the assembly process of the brake disc assembly 10 is relatively simple and convenient.

[0051] In some embodiments of the present utility model, the first heat dissipation structure 3 is disposed on the second friction plate 2 and is an integral part with the second friction plate 2. The first heat dissipation structure 3 abuts against the first friction plate 1. The first heat dissipation structure 3 and the second friction plate 2 can be integrally processed and formed, so that the first heat dissipation structure 3 and the second friction plate 2 can be assembled with the first friction plate 1 synchronously, and the assembly process of the brake disc assembly 10 is relatively simple and convenient.

[0052] In some embodiments of the present utility model, in the thickness direction of the first friction plate 1, the first heat dissipation structure 3 includes a first sub-heat dissipation structure and a second sub-heat dissipation structure. The first sub-heat dissipation structure is disposed on the first friction plate 1 and is an integral part with the first friction plate 1. The second sub-heat dissipation structure is disposed on the second friction plate 2 and is an integral part with the second friction plate 2. The first sub-heat dissipation structure and the second sub-heat dissipation structure abut against each other. Both the first friction plate 1 and the second friction plate 2 are provided with a raised part of the first heat dissipation structure 3, and both the first friction plate 1 and the second friction plate 2 can increase the heat dissipation area, and the heat dissipation effect of the first friction plate 1 and the second friction plate 2 is relatively uniform.

[0053] In summary, the first heat dissipation structure 3 can adjust the position and connection method according to the design requirements to meet different needs.

[0054] In some embodiments of the present utility model, as Figure 1 shown, in a plane parallel to the first friction plate 1, the first heat dissipation structures 3 are multiple and spaced apart along the circumferential direction of the first friction plate 1. A first air duct 321 is formed between two adjacent first heat dissipation structures 3. The multiple first air ducts 321 constitute a heat dissipation air duct 32. At least one first air duct 321 is provided with a second heat dissipation structure 4. It can be understood that the multiple first heat dissipation structures 3 can divide the heat dissipation air duct 32 into multiple first air ducts 321 spaced apart along the circumferential direction of the first friction plate 1, so that the air flow between the first friction plate 1 and the second friction plate 2 can circulate dispersedly in the first air ducts 321, so that there is air flow at multiple places along the circumferential direction of the first friction plate 1 between the first friction plate 1 and the second friction plate 2, ensuring the heat dissipation effect along the circumferential direction of the first friction plate 1 of the first friction plate 1 and the second friction plate 2.

[0055] In some embodiments of the present utility model, as Figure 1 and Figure 3As shown, the first heat dissipation structure 3 extends along the radial direction of the first friction disk 1 and includes a plurality of heat dissipation protrusions 31 spaced apart in the radial direction of the first friction disk 1, which can increase the heat dissipation area between the first heat dissipation structure 3 and the heat dissipation air duct 32, improve the heat dissipation effect of the first friction disk 1 and the second friction disk 2, and enhance the heat dissipation effect of the brake disk assembly 10.

[0056] In some embodiments of the present invention, as Figure 1 and Figure 3 shown, the plurality of heat dissipation protrusions 31 include a first sub-heat dissipation protrusion 311 and a second sub-heat dissipation protrusion 312. The first sub-heat dissipation protrusion 311 is located radially inside the second sub-heat dissipation protrusion 312. The first sub-heat dissipation protrusion 311 is strip-shaped, and the second sub-heat dissipation protrusion 312 is dot-shaped. The gap between the first sub-heat dissipation protrusion 311 and the second sub-heat dissipation protrusion 312 forms a second air duct 322, and the second air duct 322 communicates with two first air ducts 321 spaced apart along the circumferential direction of the first friction disk 1. It can be understood that the air flow in the first air duct 321 can enter the second air duct 322, which can increase the contact area between the first friction disk 1 and the second friction disk 2 and the air flow, increase the residence time of the relatively cold external air flow in the heat dissipation air duct 32, and enhance the heat exchange effect of the brake disk assembly 10.

[0057] In some embodiments of the present invention, as Figure 1 and Figure 2 shown, the first friction disk 1 is provided with a first heat dissipation structure 3. The surface of the first friction disk 1 facing away from the first heat dissipation structure 3 is a plane, or a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the first friction disk 1 facing away from the first heat dissipation structure 3. It can be understood that when the first friction disk 1 is provided with the first heat dissipation structure 3 and the surface of the first friction disk 1 facing away from the first heat dissipation structure 3 is a plane, the surface of the first friction disk 1 facing away from the first heat dissipation structure 3 is relatively flat and beautiful; when a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the first friction disk 1 facing away from the first heat dissipation structure 3, the weight of the first friction disk 1 provided with the first heat dissipation structure 3 can be reduced, and the first heat dissipation structure 3 can be formed by sheet metal stamping during the manufacturing of the first friction disk 1, saving the manufacturing cost of the first friction disk 1.

[0058] In some embodiments of the present invention, as Figure 1 and Figure 4As shown, a second heat dissipation structure 4 is provided on the first friction disc 1. The surface of the first friction disc 1 facing away from the second heat dissipation structure 4 is a flat surface, or a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the first friction disc 1 facing away from the second heat dissipation structure 4. It can be understood that with the second heat dissipation structure 4 provided on the first friction disc 1, the surface of the first friction disc 1 facing away from the second heat dissipation structure 4 is a flat surface, and the surface of the first friction disc 1 facing away from the second heat dissipation structure 4 is relatively flat and beautiful; when a groove 33 is provided at a position corresponding to the second heat dissipation structure 4 on the surface of the first friction disc 1 facing away from the second heat dissipation structure 4, the weight of the first friction disc 1 provided with the second heat dissipation structure 4 can be reduced, and the second heat dissipation structure 4 can be formed by sheet metal stamping during the manufacturing of the first friction disc 1, saving the manufacturing cost of the first friction disc 1.

[0059] In some embodiments of the present invention, as Figure 1 and Figure 4 shown, a first heat dissipation structure 3 is provided on the second friction disc 2. The surface of the second friction disc 2 facing away from the first heat dissipation structure 3 is a flat surface, or a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the second friction disc 2 facing away from the first heat dissipation structure 3. It can be understood that with the first heat dissipation structure 3 provided on the second friction disc 2, the surface of the second friction disc 2 facing away from the first heat dissipation structure 3 is a flat surface, and the surface of the second friction disc 2 facing away from the first heat dissipation structure 3 is relatively flat and beautiful; when a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the second friction disc 2 facing away from the first heat dissipation structure 3, the weight of the second friction disc 2 provided with the first heat dissipation structure 3 can be reduced, and the first heat dissipation structure 3 can be formed by sheet metal stamping during the manufacturing of the second friction disc 2, saving the manufacturing cost of the second friction disc 2.

[0060] In some embodiments of the present invention, as Figure 1 and Figure 4 shown, a second heat dissipation structure 4 is provided on the second friction disc 2. The surface of the second friction disc 2 facing away from the second heat dissipation structure 4 is a flat surface, or a groove 33 is provided at a position corresponding to the first heat dissipation structure 3 on the surface of the second friction disc 2 facing away from the second heat dissipation structure 4. It can be understood that with the second heat dissipation structure 4 provided on the second friction disc 2, the surface of the second friction disc 2 facing away from the second heat dissipation structure 4 is a flat surface, and the surface of the second friction disc 2 facing away from the second heat dissipation structure 4 is relatively flat and beautiful; when a groove 33 is provided at a position corresponding to the second heat dissipation structure 4 on the surface of the second friction disc 2 facing away from the second heat dissipation structure 4, the weight of the second friction disc 2 provided with the second heat dissipation structure 4 can be reduced, and the second heat dissipation structure 4 can be formed by sheet metal stamping during the manufacturing of the second friction disc 2, saving the manufacturing cost of the second friction disc 2.

[0061] In some embodiments of the present invention, as Figure 1 and Figure 4As shown, the second heat dissipation structure 4 extends along the radial direction of the first friction disc 1 and includes a plurality of heat dissipation sub-protrusions 41 spaced apart in the radial direction of the first friction disc 1, which can increase the heat dissipation area between the second heat dissipation structure 4 and the heat dissipation air duct 32, improve the heat dissipation effect of the first friction disc 1 and the second friction disc 2, and enhance the heat dissipation effect of the brake disc assembly 10.

[0062] In some embodiments of the present invention, as Figure 1 and Figure 2 shown, the brake disc assembly 10 further includes a mounting disc 5 and a support portion 6. The mounting disc 5 is connected to the vehicle, and the mounting disc 5 is connected to the first friction disc 1 and / or the second friction disc 2. It can be understood that the mounting disc 5 is connected to the first friction disc 1, or the mounting disc 5 is connected to the second friction disc 2, or the mounting disc 5 is connected to both the first friction disc 1 and the second friction disc 2. The assembly position of the mounting disc 5 can be selected according to the size and installation requirements of the brake disc assembly 10 to meet different design requirements. The support portion 6 is disposed between the mounting disc 5, the first friction disc 1 and / or the second friction disc 2. It can be understood that the support portion 6 is disposed between the mounting disc 5 and the first friction disc 1, or the support portion 6 is disposed between the mounting disc 5 and the second friction disc 2, or the support portion 6 is disposed between the mounting disc 5, the first friction disc 1 and the second friction disc 2. The assembly position of the support portion 6 can be selected according to the size and installation requirements of the brake disc assembly 10 to meet different design requirements.

[0063] According to the brake 100 of the embodiment of the present invention, as Figure 1 、 Figure 2 and Figure 7 shown, it is used for a vehicle and includes the above-mentioned brake disc assembly 10. The vehicle includes a knuckle 200, and the knuckle 200 is connected to the vehicle body. The knuckle 200 is an important component in the vehicle suspension system, mainly located between the wheel axle and the steering mechanism, responsible for connecting and transmitting the steering force, and enabling the vehicle to drive stably and transmit the driving direction sensitively. The brake disc assembly 10 includes a mounting disc 5, and the mounting disc 5 is connected to the knuckle 200, which can connect the brake disc assembly 10 and the knuckle 200 together, and the knuckle 200 provides a mounting base for the brake 100.

[0064] According to the brake 100 of the embodiment of the present utility model, by arranging the second heat dissipation structure 4 in the heat dissipation air duct 32 formed between the first heat dissipation structure 3, the first friction disc 1 and the second friction disc 2, at least one of the first friction disc 1 and the second friction disc 2 is provided with the second heat dissipation structure 4. The second heat dissipation structure 4 is connected to one of the first friction disc 1 and the second friction disc 2 and spaced apart from the other. The second heat dissipation structure 4 does not affect the flow of the air in the heat dissipation air duct 32, and can increase the heat exchange area between the first friction disc 1 and the second friction disc 2 and the air in the heat dissipation air duct 32, and can increase the residence time of the relatively cold external air in the heat dissipation air duct 32, thereby increasing the heat exchange effect of the brake disc assembly 10.

[0065] In some embodiments of the present utility model, as Figure 1 , Figure 4 and Figure 5 shown, the brake 100 further includes an air deflector 20. The air deflector 20 is fixedly connected to the steering knuckle 200. The air deflector 20 is arranged outside the first friction disc 1 or the second friction disc 2 and together defines an air inlet duct 201. The air inlet duct 201 is communicated with the heat dissipation air duct 32. Along the front-rear direction of the vehicle, an air inlet 202 communicated with the air inlet duct 201 is provided above the front side of the air deflector 20. In the direction from the rear to the front, the air deflector 20 at the air inlet 202 is inclined in a direction away from the first friction disc 1 or the second friction disc 2. During the driving of the vehicle, the air in front of the vehicle can conveniently enter the air inlet duct 201 from the inclined air inlet 202 and then enter the heat dissipation air duct 32, so that the heat dissipation and cooling process of the brake 100 is relatively reliable.

[0066] In some embodiments of the present utility model, as Figure 1 and Figure 5 shown, the air deflector 20 further includes an air outlet 203. The air outlet 203 is arranged on the upper side of the air deflector 20. Along the front-rear direction of the vehicle, the air outlet 203 faces the rear side of the vehicle. The other air flow in the air inlet duct 201 except for the part of the air flow entering the heat dissipation air duct 32 can be blown out from the air outlet 203, and can exchange heat with the relatively high-temperature air flow at the screwing-out end of the brake disc assembly 10, and can quickly take away the heat of the brake 100, so as to further reduce the temperature rise of the brake disc.

[0067] In some embodiments of the present utility model, as Figure 1 , Figure 6 and Figure 7As shown, the brake 100 further includes a brake caliper 30. The brake caliper 30 includes sub-components such as a caliper body 301, a bracket 302, a friction plate 303, a guide pin 304, and a piston. A friction plate 303 is provided inside the caliper body 301. The friction plate 303 can slide in a groove 33 on the bracket 302. The caliper body 301 is floatingly connected to the bracket 302 through the guide pin 304 and can slide axially along the hole of the guide pin 304. The bracket 302 is fixedly connected to the knuckle 200. When there is brake hydraulic pressure inside the caliper body 301, the piston slides axially along the cylinder hole of the caliper body 301 under the action of the hydraulic pressure, pushing the friction plate 303 to slide in the groove 33 on the bracket 302. At the same time, the caliper body 301 slides axially along the hole of the guide pin 304, driving the friction plate 303 to slide in the groove 33 on the bracket 302. Thus, frictional force is generated by the friction between the friction plate 303 and the working surface of the brake disc assembly 10, preventing the rotational movement of the brake disc assembly 10.

[0068] In addition, the air outlet 203 of the air deflector 20 faces the rear side of the vehicle and is inclined upward. The air outlet 203 can be opposite to the brake caliper 30, facilitating blowing air toward the brake caliper 30 and the first friction disc 1 and the second friction disc 2 in contact with the brake caliper 30, increasing the heat dissipation effect on the brake caliper 30 and the first friction disc 1 and the second friction disc 2 in contact with the brake caliper 30.

[0069] In some embodiments of the present invention, as Figure 1 and Figure 7 shown, the vehicle further includes a wheel hub bearing 40. The wheel hub bearing 40 is fixedly connected to the knuckle 200. The wheel hub bearing 40 can transmit the rotation of the vehicle's transmission shaft to the wheels and the first friction disc 1 and the second friction disc 2 to achieve the transmission of the vehicle.

[0070] The vehicle according to the embodiment of the present invention includes the above-mentioned brake 100.

[0071] For the vehicle according to the embodiment of the present invention, by arranging the second heat dissipation structure 4 in the heat dissipation air duct 32 formed between the first heat dissipation structure 3, the first friction disc 1 and the second friction disc 2, at least one of the first friction disc 1 and the second friction disc 2 is provided with the second heat dissipation structure 4. The second heat dissipation structure 4 is connected to one of the first friction disc 1 and the second friction disc 2 and is spaced apart from the other. The second heat dissipation structure 4 does not affect the flow of the air in the heat dissipation air duct 32, and can increase the heat exchange area between the first friction disc 1 and the second friction disc 2 and the air in the heat dissipation air duct 32, and can increase the residence time of the relatively cold external air in the heat dissipation air duct 32, increasing the heat exchange effect of the brake disc assembly 10.

[0072] For the brake disc assembly 10, the brake 100 and other components and operations of the vehicle according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

[0073] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0074] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A brake disc assembly, characterized in that: For vehicles and including: a first friction disc and a second friction disc, wherein the first friction disc and the second friction disc are arranged and connected in a thickness direction of the first friction disc; a first heat dissipation structure, the first heat dissipation structure is located between the first friction disk and the second friction disk and is connected to at least one of the first friction disk and the second friction disk, and a heat dissipation duct is formed between the first heat dissipation structure, the first friction disk and the second friction disk; A second heat dissipation structure is provided in the heat dissipation duct, at least one of the first friction disk and the second friction disk is provided with the second heat dissipation structure, and the second heat dissipation structure is connected to one of the first friction disk and the second friction disk and is spaced apart from the other.

2. The brake disc assembly according to claim 1, characterized in that The first heat dissipation structure is disposed on the first friction disk and is an integral part with the first friction disk, and the first heat dissipation structure abuts against the second friction disk; Or, the first heat dissipation structure is provided on the second friction disk and is an integral part with the second friction disk, and the first heat dissipation structure abuts against the first friction disk; Or, in the thickness direction of the first friction disk, the first heat dissipation structure includes a first sub-heat dissipation structure and a second sub-heat dissipation structure, the first sub-heat dissipation structure is arranged on the first friction disk and is an integral part with the first friction disk, the second sub-heat dissipation structure is arranged on the second friction disk and is an integral part with the second friction disk, and the first sub-heat dissipation structure and the second sub-heat dissipation structure offset each other.

3. The brake disc assembly according to claim 1, characterized in that In a plane parallel to the first friction disk, the first heat dissipation structure is a plurality of structures spaced apart along the circumferential direction of the first friction disk, a first air duct is formed between two adjacent first heat dissipation structures, a plurality of the first air ducts constitute the heat dissipation air duct, and at least one of the first air ducts is provided with the second heat dissipation structure.

4. The brake disc assembly according to claim 3, characterized in that The first heat dissipation structure extends along the radial direction of the first friction disk and includes a plurality of heat dissipation protrusions spaced apart in the radial direction of the first friction disk.

5. The brake disc assembly according to claim 4, characterized in that The plurality of heat dissipation protrusions include: The first sub-heat dissipation protrusion; A second sub-heat dissipation protrusion, the first sub-heat dissipation protrusion is located radially inside the second sub-heat dissipation protrusion, the first sub-heat dissipation protrusion is strip-shaped, the second sub-heat dissipation protrusion is dot-shaped, and the gap between the first sub-heat dissipation protrusion and the second sub-heat dissipation protrusion forms a second air duct, and the second air duct connects the two first air ducts spaced apart along the circumferential direction of the first friction disk.

6. The brake disc assembly according to claim 1, characterized in that The first friction disk is provided with the first heat dissipation structure, the surface of the first friction disk facing away from the first heat dissipation structure is a plane, or a groove is provided on the surface of the first friction disk facing away from the first heat dissipation structure at a position corresponding to the first heat dissipation structure; And / or, a second heat dissipation structure is provided on the first friction disk, a surface of the first friction disk facing away from the second heat dissipation structure is a plane, or a groove is provided on the surface of the first friction disk facing away from the second heat dissipation structure at a position corresponding to the first heat dissipation structure; And / or, the first heat dissipation structure is provided on the second friction disk, and the surface of the second friction disk facing away from the first heat dissipation structure is a plane, or a groove is provided on the surface of the second friction disk facing away from the first heat dissipation structure at a position corresponding to the first heat dissipation structure; And / or, a second heat dissipation structure is provided on the second friction disk, a surface of the second friction disk facing away from the second heat dissipation structure is a plane, or a groove is provided on the surface of the second friction disk facing away from the second heat dissipation structure at a position corresponding to the first heat dissipation structure.

7. The brake disc assembly according to claim 1, characterized in that Also includes: A mounting plate, the mounting plate being connected to the vehicle, the mounting plate being connected to the first friction plate and / or the second friction plate; A support portion is provided between the mounting plate, the first friction plate and / or the second friction plate.

8. A brake, characterized in that: For vehicles and including: According to the brake disc assembly according to any one of claims 1-7, the vehicle comprises a steering knuckle, the steering knuckle is connected to the body of the vehicle, and the brake disc assembly comprises a mounting disc, the mounting disc is connected to the steering knuckle.

9. The brake according to claim 8, characterized in that include: An air deflector is fixedly connected to the steering knuckle, and is arranged on the outside of the first friction disk or the second friction disk and jointly defines an air inlet duct, and the air inlet duct is connected to the heat dissipation duct. Along the front and rear direction of the vehicle, an air inlet connected to the air inlet duct is provided on the upper front side of the air deflector, and in the direction from rear to front, the air deflector at the air inlet is inclined in a direction away from the first friction disk or the second friction disk.

10. The brake according to claim 9, characterized in that The air deflector further includes an air outlet, which is disposed on an upper side of the air deflector and faces the rear side of the vehicle along a front-rear direction of the vehicle.

11. A vehicle, characterized in that: include: A brake according to any one of claims 8 to 10.

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