A type of automotive brake disc

Abstract

This utility model relates to the field of automotive parts technology, specifically an automotive brake disc, including an outer disc body and an inner disc body disposed on the back of the outer disc body. A connecting member is disposed between the outer disc body and the inner disc body. The outer disc body has several first heat dissipation holes, which are connected to the interior of a heat dissipation cavity. This automotive brake disc, through the coordinated use of the outer disc body, inner disc body, heat dissipation cavity, connecting member, first heat dissipation holes, mounting part, mounting hole, and second heat dissipation holes, allows for rapid heat generation due to friction between the brake disc and brake pads during braking. The heat dissipation grooves, first heat dissipation holes, and second heat dissipation holes on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates, increasing the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to an automotive brake disc. Background Technology

[0002] The brake disc is a key component of a car's braking system. Its function is to decelerate or stop the vehicle through friction with the brake pads during braking. During braking, a large amount of heat is generated between the brake disc and the brake pads. If this heat cannot be dissipated in time, the brake disc temperature will rise rapidly.

[0003] High temperatures can have many adverse effects. For example, they can degrade the material properties of the brake disc, leading to reduced hardness and wear resistance, thus shortening the service life of the brake disc. They can also cause thermal fade in braking performance, reducing braking performance and affecting driving safety. Furthermore, high temperatures can cause the brake pads to expand thermally, further affecting the stability and accuracy of braking.

[0004] Existing automotive brake discs have certain shortcomings in heat dissipation. Common heat dissipation structures, such as ventilation holes, have limited heat dissipation efficiency and cannot meet the heat dissipation requirements under frequent or high-intensity braking conditions. Therefore, it is necessary to provide an automotive brake disc that solves the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide an automotive brake disc to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An automotive brake disc, comprising:

[0008] An outer plate body, an inner plate body is provided on the back of the outer plate body, a connecting member is provided between the outer plate body and the inner plate body, and a plurality of first heat dissipation holes are provided on the outer plate body, and the first heat dissipation holes are connected to the interior of the heat dissipation cavity.

[0009] The outer plate has a mounting part at its center, and the mounting part has a number of mounting holes that are evenly spaced on it. The outer plate also has a number of heat dissipation grooves that are evenly spaced on its front side.

[0010] Preferably, the outer circumference of the outer plate has symmetrically distributed arc-shaped drainage grooves at the port of the heat dissipation groove, and the arc-shaped drainage grooves are connected to the interior of the heat dissipation groove.

[0011] Preferably, the mounting part has a plurality of guide grooves evenly spaced and uniformly provided, and the guide grooves are connected to the interior of the heat dissipation cavity.

[0012] Preferably, the heat dissipation groove has a trapezoidal cross-section, and the width of the heat dissipation groove gradually increases from the outside to the inside.

[0013] Preferably, the heat dissipation grooves are radially distributed on the outer plate, and the size of the heat dissipation grooves gradually increases from the center of the outer plate to the outside.

[0014] Preferably, the inner disk body has a plurality of second heat dissipation holes, and the second heat dissipation holes are connected to the interior of the heat dissipation cavity.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model utilizes the combined use of an outer disc body, an inner disc body, a heat dissipation cavity, a connecting piece, a first heat dissipation hole, a mounting part, a mounting hole, and a second heat dissipation hole. During vehicle braking, the brake disc and brake pads generate rapid heat through friction. The heat dissipation grooves, the first heat dissipation hole, and the second heat dissipation hole on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates. This increases the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc, further accelerating the dissipation of heat from the brake disc surface to the surrounding environment.

[0017] 2. This utility model utilizes the combined use of guide grooves and arc-shaped airflow channels. When the vehicle is in motion, the arc-shaped airflow channels at the ports of the outer disc heat dissipation slots guide external airflow, allowing it to quickly enter the heat dissipation slots. This enhances the heat exchange rate between the slots and the outside environment, improving heat dissipation efficiency. Simultaneously, the guide grooves around the mounting holes guide outside air smoothly into the heat dissipation chamber, creating stable and efficient air convection within the chamber. This effectively carries the heat generated by the brake disc out of the heat dissipation chamber, achieving rapid heat transfer and dissipation, thereby maintaining the brake disc within a suitable operating temperature range. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a top-view three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a rear-view three-dimensional structural diagram of the present invention;

[0021] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0022] In the figure: 1. Outer disc; 2. Inner disc; 3. Heat dissipation cavity; 4. Connector; 5. First heat dissipation hole; 6. Heat dissipation groove; 7. Mounting part; 8. Mounting hole; 9. Guide groove; 10. Arc-shaped guide groove; 11. Second heat dissipation hole. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-4 One embodiment provided by this utility model:

[0028] An automotive brake disc, comprising:

[0029] The outer plate 1 has an inner plate 2 on its back. A connector 4 is provided between the outer plate 1 and the inner plate 2. Several first heat dissipation holes 5 are provided on the outer plate 1, and the first heat dissipation holes 5 are connected to the interior of the heat dissipation cavity 3.

[0030] The outer plate 1 has a mounting part 7 at its center, and a number of mounting holes 8 are evenly spaced on the mounting part 7. The outer plate 1 has a number of heat dissipation grooves 6 evenly spaced on its front side.

[0031] Symmetrically distributed arc-shaped airflow channels 10 are provided on the outer perimeter of the outer plate 1 at the port of the heat dissipation channel 6, and the arc-shaped airflow channels 10 are connected to the interior of the heat dissipation channel 6, which can guide more airflow into the heat dissipation channel 6, enhance airflow, and improve heat dissipation performance.

[0032] In one embodiment, a plurality of guide grooves 9 are evenly spaced on the mounting part 7, and the guide grooves 9 are connected to the interior of the heat dissipation cavity 3, which allows outside air to enter the heat dissipation cavity 3 in a more orderly and efficient manner, enhances air convection, and improves heat dissipation efficiency.

[0033] In one preferred embodiment, the heat dissipation groove 6 has a trapezoidal cross-section, and the width of the heat dissipation groove 6 gradually increases from the outside to the inside, which is conducive to guiding airflow deep into the groove, increasing the contact area with air, and improving the heat dissipation effect.

[0034] In one embodiment, the heat dissipation grooves 6 are radially distributed on the outer plate 1, and the size of the heat dissipation grooves 6 gradually increases from the center of the outer plate 1 to the outside, which can optimize airflow guidance, increase the heat dissipation area, and improve heat dissipation efficiency.

[0035] In one preferred embodiment, the inner disc 2 is provided with a plurality of second heat dissipation holes 11, and the second heat dissipation holes 11 are connected to the interior of the heat dissipation cavity 3, which can increase air circulation, improve the heat dissipation efficiency of the heat dissipation cavity 3, and help the brake disc cool down.

[0036] The working principle of this utility model is as follows: Parts not described herein are identical to or can be implemented using existing technology. When a car brakes, the brake disc and brake pads rub against each other, generating rapid heat. The heat dissipation grooves 6, the first heat dissipation hole 5, and the second heat dissipation hole 11 provided on the surfaces of the outer disc 1 and the inner disc 2, with their unique structure and layout, guide air to form a complex airflow pattern during the brake disc's rotation. This complex airflow significantly increases the contact time and contact area between the air and the brake disc surface, thereby greatly improving heat exchange efficiency and effectively enhancing the brake disc's heat dissipation performance. Simultaneously, the heat dissipation grooves 6 further accelerate the dissipation of heat from the brake disc surface to the surrounding environment by increasing the effective heat dissipation area of ​​the brake disc.

[0037] During vehicle operation, the airflow from the outside, guided by the arc-shaped airflow channel 10, can enter the heat dissipation cavity 6 at a relatively fast speed. This process enhances the heat exchange rate between the heat dissipation cavity 6 and the external environment, thereby improving the heat dissipation efficiency of the heat dissipation cavity 6. Simultaneously, the guide channels 9 surrounding the mounting holes 8 effectively guide outside air smoothly into the heat dissipation cavity 3, promoting stable and efficient air convection within the cavity. This air convection can promptly carry the heat generated by the brake disc out of the heat dissipation cavity 3, achieving rapid heat transfer and dissipation to maintain the brake disc within a relatively suitable operating temperature range.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An automotive brake disc, characterized in that, It includes: An outer plate (1) is provided with an inner plate (2) on the back side of the outer plate (1). A connector (4) is provided between the outer plate (1) and the inner plate (2). A plurality of first heat dissipation holes (5) are provided on the outer plate (1), and the first heat dissipation holes (5) are connected to the interior of the heat dissipation cavity (3). The outer plate (1) has a mounting part (7) at its center, and a number of mounting holes (8) are evenly and equidistantly provided on the mounting part (7). A number of heat dissipation grooves (6) are evenly and equidistantly provided on the front side of the outer plate (1). The outer circumference of the outer disk (1) is provided with symmetrically distributed arc-shaped drainage grooves (10) at the port of the heat dissipation groove (6), and the arc-shaped drainage grooves (10) are connected to the interior of the heat dissipation groove (6). The heat dissipation groove (6) has a trapezoidal cross-section, and the width of the heat dissipation groove (6) gradually increases from the outside to the inside. The heat dissipation grooves (6) are radially distributed on the outer plate (1), and the size of the heat dissipation grooves (6) gradually increases from the center of the outer plate (1) to the outside.

2. The automotive brake disc according to claim 1, characterized in that: The mounting part (7) has several guide grooves (9) evenly spaced and uniformly provided, and the guide grooves (9) are connected to the interior of the heat dissipation cavity (3).

3. The automotive brake disc according to claim 1, characterized in that: The inner plate (2) has several second heat dissipation holes (11), and the second heat dissipation holes (11) are connected to the interior of the heat dissipation cavity (3).

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