CN218112607U

CN218112607U - Braking system wind-guiding structure and car

Info

Publication number: CN218112607U
Application number: CN202222468518.0U
Authority: CN
Inventors: 胡飚
Original assignee: Avatr Technology Chongqing Co Ltd
Current assignee: Avatr Technology Chongqing Co Ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-23
Anticipated expiration: 2032-09-16

Abstract

The embodiment of the utility model provides a relate to vehicle technical field, disclose a braking system wind-guiding structure and car, this wind-guiding structure includes: the automobile brake system comprises an air guide pipe, wherein the air guide pipe is provided with an air inlet and an air outlet, the air inlet end of the air guide pipe extends to the front end of an automobile, the air outlet end of the air guide pipe is fixedly connected to a wheel casing lining plate, and the air outlet end of the air guide pipe penetrates through the wheel casing lining plate, so that the air outlet is opposite to the brake system. Use the technical scheme of the utility model, the air that can accelerate braking system department on the one hand flows, makes its quick cooling, and on the other hand can reduce the windward area of car front end, reduces whole car windage. Moreover, compared with the structure of the changed brake disc, the air guide pipe is simple in structure, low in cost and light in weight, and the cost of the whole vehicle cannot be greatly improved, and the air guide pipe is of a hollow structure.

Description

Braking system wind-guiding structure and car

Technical Field

The embodiment of the utility model provides a relate to vehicle technical field, especially relate to braking system wind-guiding structure and car.

Background

Currently, disc brakes are widely used in various passenger vehicles, but still have some defects in heat dissipation. On one hand, the temperature of the brake disc and the friction plate is continuously increased in the braking process, so that the friction coefficient is reduced, and the braking heat fading phenomenon is generated. On the other hand, too high brake temperature rise can cause thermal deformation of the brake disc, and the phenomena of brake shake, brake thermal fatigue and the like are caused, so that the performance and the driving safety of the vehicle are influenced. These problems are particularly apparent in medium and large SUVs having heavy mass.

In order to avoid overheating of the automobile during braking, measures are required to reduce the temperature rise of the brake disc during braking. The current common measures include: the material of the brake disc is changed, the surface of the brake disc is perforated, the volume of the brake disc is increased, and the ventilation groove structure of the brake disc is changed. These measures either add cost, weight or manufacturing steps, which are very uneconomical for positioning the middle and low end passenger cars. Therefore, it is necessary to adopt other methods to enhance the cooling capability of the brake disk.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a braking system wind-guiding structure and car can enough strengthen the cooling capacity of brake disc, can compromise lower manufacturing cost again.

On the one hand, the embodiment of the utility model provides a braking system wind-guiding structure, include: the automobile braking system comprises an air guide pipe, wherein the air guide pipe is provided with an air inlet and an air outlet, the air inlet end of the air guide pipe extends to the front end of an automobile, the air outlet end of the air guide pipe is fixedly connected to a wheel cover lining plate, and the air outlet end of the air guide pipe penetrates through the wheel cover lining plate, so that the air outlet is opposite to the braking system.

Optionally, the height positions of the center of the air outlet and the center of the braking system are the same.

Optionally, the height positions of the center of the air inlet and the center of the air outlet are the same.

Optionally, the air inlet and the air outlet are different in shape, and the inner wall of the air guide pipe is smoothly arranged.

Optionally, the air inlet is in a long strip shape, the air outlet is in a square shape, the length-width ratio of the air inlet is S1, the length-width ratio of the air outlet is S2, and S1 is greater than S2.

Optionally, the area of the air inlet is the same as the area of the air outlet.

Optionally, the air inlet end of the air guide pipe extends to the front bumper of the automobile, and the wheel casing lining plate is a front wheel casing lining plate.

The utility model discloses a braking system wind-guiding structure, the one end of its guide duct extends to the front end of car, and the other end extends to wheel casing welt department and runs through the wheel casing welt, makes the air outlet of guide duct just to the braking system setting. When the automobile runs, part of air flow enters the air guide pipe from the air inlet of the air guide pipe and then flows to the braking system, so that on one hand, the air flow at the braking system can be accelerated, the air flow can be rapidly cooled, on the other hand, the windward area of the front end of the automobile can be reduced, and the wind resistance of the whole automobile can be reduced. And compared with the structure of changing the brake disc, the air guide pipe has the advantages of simple structure, low cost, no great increase of the cost of the whole vehicle, hollow structure and relatively light weight.

On the other hand, the embodiment of the utility model provides a still provide a car, including wheel casing welt and braking system, still include foretell braking system wind-guiding structure, the air-out one end of guide duct with wheel casing welt fixed connection, the air outlet of guide duct is just right braking system sets up.

Optionally, the air duct and the wheel casing lining plate are integrally formed.

Optionally, the braking system is a brake disc, and the brake disc is provided with an auxiliary heat dissipation ventilation groove.

The utility model discloses a car adopts foretell braking system wind-guiding structure, and the one end of its guide duct extends to the front end of car, and the other end extends to wheel casing welt department and runs through the wheel casing welt, makes the air outlet of guide duct just to the braking system setting. When the automobile runs, partial air flow enters the air guide pipe from the air inlet of the air guide pipe and then flows to the braking system, so that the air flow at the braking system can be accelerated to be quickly cooled, the windward area of the front end of the automobile can be reduced, and the wind resistance of the whole automobile is reduced. Moreover, compared with the structure of the changed brake disc, the air guide pipe is simple in structure, low in cost and light in weight, and the cost of the whole vehicle cannot be greatly improved, and the air guide pipe is of a hollow structure.

Drawings

Fig. 1 is a three-dimensional structure diagram of an air guide duct provided in an embodiment of the present invention;

fig. 2 is a first three-dimensional structure diagram of an air duct and a wheel cover lining plate provided by the embodiment of the invention;

fig. 3 is a second three-dimensional structure diagram of the air duct and the wheel cover lining plate provided by the embodiment of the present invention;

fig. 4 is a three-dimensional structure view of the air guide duct and the brake disc provided by the embodiment of the present invention;

fig. 5 is a partial side view of an automobile according to an embodiment of the present invention;

fig. 6 is a partial front view of an automobile according to an embodiment of the present invention.

Reference numerals are as follows:

1-an air guide pipe; 11-an air inlet; 12-an air outlet;

2-wheel casing lining board;

3, a brake disc; 31-ventilation slots.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to describe the specific technical solution of the present invention in further detail. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and are not to be construed as limiting the invention.

The utility model discloses a braking system wind-guiding structure who provides explains now. The air guide structure of the braking system is used for guiding external air flow to the braking system, so that the air flow of the braking system is accelerated, heat generated by friction of the braking system is rapidly dissipated, and the cooling speed of the braking system is accelerated.

The embodiment of the utility model provides a braking system wind-guiding structure please refer to fig. 1 to 3, braking system wind-guiding structure includes guide duct 1, and guide duct 1 is the cavity form, and guide duct 1 has air intake 11 and air outlet 12, and air intake 11 and air outlet 12 are located the both ends of guide duct 1 respectively. The end of the air guide pipe 1 with the air inlet 11 is the air inlet end of the air guide pipe 1, and the end of the air guide pipe 1 with the air outlet 12 is the air outlet end of the air guide pipe 1. The air inlet end of the air guide pipe 1 extends to the front end of the automobile, so that air at the front end of the automobile can enter the air guide pipe 1 through the air inlet 11. The air-out one end fixed connection of guide duct 1 is in wheel casing welt 2, and this end of guide duct 1 runs through wheel casing welt 2 and sets up, makes the air outlet 12 of guide duct 1 just to braking system, and the air current gets into guide duct 1 through air intake 11, flows out behind guide duct 1 through air outlet 12, and direct flow to braking system for the air flow speed of braking system department, makes braking system give off because of the heat that the friction produced fast, cools down braking system.

When the automobile runs, most of air flow is blocked by the front end of the automobile to form automobile wind resistance in the running process, wherein a small part of air flow enters the air guide pipe 1 from the air inlet 11 of the air guide pipe 1, then passes through the wheel cover lining plate 2 and flows out to the braking system from the air outlet 12 to take away heat generated by the braking friction of the braking system, and the braking system is cooled. Moreover, the small part of air flow flows out through the air guide pipe 1, so that the wind resistance of the automobile in the running process is reduced.

In the air guiding structure of the braking system in the above embodiment, one end of the air guiding pipe 1 extends to the front end of the automobile, and the other end extends to the wheel casing lining plate 2 and penetrates through the wheel casing lining plate 2, so that the air outlet 12 of the air guiding pipe 1 is arranged opposite to the braking system. When the automobile runs, part of air flow enters the air guide pipe 1 from the air inlet 11 of the air guide pipe 1 and then flows to the braking system, so that on one hand, the air flow at the braking system can be accelerated, the air flow can be rapidly cooled, on the other hand, the windward area at the front end of the automobile can be reduced, and the wind resistance of the whole automobile can be reduced. Moreover, compared with the structure of the brake disc 3, the air guide pipe 1 is simple in structure and low in cost, the cost of the whole vehicle cannot be greatly increased, and the air guide pipe 1 is of a hollow structure and is relatively light in weight.

In one embodiment of the present invention, referring to fig. 5, the height positions of the center of the air outlet 12 and the center of the braking system are the same. Specifically, when the automobile is parked on the ground, the center of the outlet vent 12 and the center of the brake system are at the same height, so that the air flowing out of the outlet vent 12 can flow into the interior of the brake system as much as possible. The air flow at the center of the air outlet 12 is strongest, and the air flow is opposite to the center of the braking system, so that the stronger air flow can directly enter the center of the braking system and is driven to all positions of the braking system through the rotation of the braking system, and the cooling speed of the braking system can be further enhanced.

In one embodiment of the present invention, please refer to fig. 5, the height positions of the center of the air inlet 11 and the center of the air outlet 12 are the same, and the height positions of the center of the air outlet 12 and the center of the braking system are the same. That is, when the car is parked on the ground, the center of the inlet port 11, the center of the outlet port 12, and the center of the brake system are disposed at the same height. In the driving process of an automobile, in normal weather, the direction of the airflow entering the air inlet 11 is also in the horizontal direction, and when the center of the air inlet 11, the center of the air outlet 12 and the center of the brake system are arranged at equal height, the airflow direction of the airflow at least at the center of the air guide pipe 1 does not need to be changed, the energy loss of the airflow in the flowing process is reduced, and the airflow reaching the center of the brake system is higher in speed and larger in airflow.

In one embodiment of the present invention, referring to fig. 1, the shapes of the air inlet 11 and the air outlet 12 are different, and the inner wall of the air duct 1 is smoothly disposed. The shapes of the air inlet 11 and the air outlet 12 of the air guide pipe 1 can be determined according to the size and the shape of the space where the air guide pipe is located, so that the shapes of the air inlet 11 and the air outlet 12 of the air guide pipe 1 are not necessarily the same so as to adapt to different installation spaces. For example, the air inlet 11 is circular, and the air outlet 12 is square; or the air inlet 11 is square, the air outlet 12 is strip-shaped, and the like. The inner wall of the air guide pipe 1 is smoothly arranged, so that when air flows on the inner wall of the air guide pipe 1, the direction of the air flow is changed stably, and the wind resistance and the energy loss are reduced.

In another embodiment of the present invention, the shape of the air inlet 11 and the air outlet 12 is the same. For example, the inlet 11 and the outlet 12 are both circular, and the inlet 11 and the outlet 12 are both square, etc.

In one embodiment of the present invention, referring to fig. 1, the air inlet 11 is a strip shape, and the air outlet 12 is a square shape. Because the air inlet 11 extends to the front end of the automobile, in order to ensure the attractive appearance of the front end of the automobile, the opening at the front end of the automobile is small or is a long and narrow opening, so that the air inlet 11 is arranged in a strip shape to be matched with the front end structure of the automobile. The shape of the air outlet 12 can be matched with the shape of the center of the braking system, and in order to make the air flow distribution at the center of the braking system more balanced, the air outlet 12 is set to be square, circular and the like, and the center of the air outlet 12 is opposite to the center of the braking system. In this embodiment, the inner wall of the air guiding tube 1 is smoothly arranged to reduce wind resistance, and the air guiding tube 1 in this embodiment is of a special-shaped structure.

The length-width ratio of the air inlet 11 is S1, the length-width ratio of the air outlet 12 is S2, and S1 is greater than S2. That is, the air inlet 11 is narrower and narrower than the air outlet 12, so that the air inlet 11 is more suitable for the spatial structure at the front end of the automobile, and the air flow at the air outlet 12 flows to the center of the braking system more uniformly. For example, the aspect ratio of the inlet port 11 may be greater than 3, and the aspect ratio of the outlet port 12 may be 0.8 to 1.2.

In one embodiment of the present invention, referring to fig. 1, the area of the air inlet 11 is the same as the area of the air outlet 12. That is, under the same external conditions, the air flow that can flow into the air inlet 11 in unit time is equal to the air flow that can flow out of the air outlet 12 in unit time, thereby reducing the air flow impedance in the air guide pipe 1 and reducing the air flow energy loss.

In one embodiment of the present invention, the air duct 1 is a plastic component, which can be integrally injection molded, and the air duct 1 made of plastic has a light weight, can be designed into various shapes, and can be realized by injection molding. The air guide pipe 1 can also be a sheet metal part and the like.

In one embodiment of the present invention, please refer to fig. 5 and 6, the air inlet end of the air guiding pipe 1 extends to the front bumper of the vehicle, for example, the air inlet end of the air guiding pipe 1 can extend to the second to the third grids of the front bumper, and the air inlet end of the air guiding pipe 1 can also be disposed at other positions. The wheel casing lining plate 2 is a front wheel casing lining plate 2, the braking system is correspondingly a braking system of the front wheel, and the air guide pipe 1 guides air to the braking system of the front wheel. Because the distance between the front wheel and the head of the automobile is short, the air guide path is short, and therefore the air guide and cooling effects are good.

In one embodiment of the present invention, the air guiding structure of the braking system further includes a fixing structure, and the fixing structure is used for fixing the air guiding pipe 1 inside the automobile.

Wherein, the air outlet end of the air guide pipe 1 is fixed on the wheel casing lining plate 2, and the air outlet end of the air guide pipe 1 penetrates through the wheel casing lining plate 2, so that the air outlet 12 of the air guide pipe 1 is opposite to the center of the braking system. Optionally, an avoiding opening is formed in the wheel casing lining plate 2, and the air outlet 12 of the air guide pipe 1 is opposite to the avoiding opening of the wheel casing lining plate 2. One end of the outlet of the air guide pipe 1 extends outwards in the radial direction to form a fixed skirt edge, and the fixed skirt edge is fixedly connected with the wheel cover lining plate 2. The fixed skirt is provided with a connecting hole, and the air outlet end of the air guide pipe 1 can be fixed on the wheel casing lining plate 2 through connecting pieces such as screws.

Wherein, the air inlet one end of guide duct 1 and the middle section accessible of guide duct 1 are fixed on the inner structure of car on the fixed band, also can set up direction fixed knot in the inside of car and construct, support guide duct 1, prevent that guide duct 1 from rocking in the car driving process.

An embodiment of the present invention further provides an automobile, please refer to fig. 5 and 6, and the automobile includes the air guiding structure of the braking system in any of the above embodiments. The automobile also comprises a wheel cover lining plate 2 and a braking system, wherein the air guide pipe 1 is fixedly connected with the wheel cover lining plate 2, and the air outlet 12 of the air guide pipe 1 is arranged right opposite to the braking system.

The utility model provides a car has adopted foretell braking system wind-guiding structure, and its one end of guide duct 1 extends to the front end of car, and the other end extends to wheel casing welt 2 department and runs through wheel casing welt 2, makes the air outlet 12 of guide duct 1 just to braking system setting. When the automobile runs, part of air flow enters the air guide pipe 1 from the air inlet 11 of the air guide pipe 1 and then flows to the braking system, so that on one hand, the air flow at the braking system can be accelerated, the air flow can be rapidly cooled, on the other hand, the windward area at the front end of the automobile can be reduced, and the wind resistance of the whole automobile can be reduced. Moreover, compared with the structure of the brake disc 3, the air guide pipe 1 is simple in structure and low in cost, the cost of the whole vehicle cannot be greatly increased, and the air guide pipe 1 is of a hollow structure and is relatively light in weight.

In one embodiment of the present invention, the air duct 1 and the wheel cover liner plate 2 are integrally formed, and the air duct 1 and the wheel cover liner plate 2 can be integrally injection molded, so that the weight is light, the processing and forming are also simple, and the limitation on the structure is also small.

In another embodiment of the present invention, the air duct 1 and the wheel cover lining plate 2 are formed separately and fixedly connected. Specifically, the wheel casing lining plate 2 is provided with an avoiding opening, the air outlet 12 of the air guide pipe 1 is opposite to the avoiding opening or is superposed with the avoiding opening, and one air outlet end of the air guide pipe 1 is fixedly connected with the wheel casing lining plate 2. One end of the air outlet of the air guide pipe 1 extends outwards in the radial direction to form a fixed skirt edge, the wheel casing lining plate 2 is provided with connecting holes on the periphery of the avoiding opening, the fixed skirt edge is also provided with connecting holes, and the fixed skirt edge and the wheel casing lining plate 2 are fixedly connected through fixing pieces such as screws.

Optionally, the width of the fixed skirt is larger, and the avoiding opening is larger than the air outlet 12 of the air guide pipe 1, so that the fixed skirt is used as a part of the wheel cover liner plate 2.

In one embodiment of the present invention, the automobile includes at least two braking system wind guiding structures, wherein the two wind guiding pipes 1 are respectively used for guiding and cooling the braking systems of the two front wheels, that is, the two wind guiding pipes 1 are respectively disposed on the left and right sides of the front end of the automobile.

In one embodiment of the present invention, please refer to fig. 4, the braking system is a brake disc 3, and a connection structure cooperatively connected with an air outlet end of the air guiding pipe 1 is disposed at the center of the brake disc 3, so that the air at the air outlet 12 can be directly guided into the braking system. The inside of brake disc 3 has ventilation groove 31, and ventilation groove 31 assists the heat dissipation, and after the air current of guide duct 1 leads to the center of brake disc 3, brake disc 3 rotated, drives the air current to ventilation groove 31 in, is driven the inside of brake disc 3 by ventilation groove 31 with the air, then flows out.

Optionally, the brake disc 3 has a double-disc structure, that is, the brake disc 3 includes two disc units, and an annular ventilation groove 31 is formed between the two disc units, so that the ventilation groove 31 can accelerate heat dissipation of the brake disc 3.

The number of the embodiment of the present invention is only for description, and does not represent the advantages or disadvantages of the embodiment. The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The air guide structure of the braking system is characterized by comprising an air guide pipe, wherein the air guide pipe is provided with an air inlet and an air outlet, the air inlet end of the air guide pipe extends to the front end of an automobile, the air outlet end of the air guide pipe is fixedly connected to a wheel cover lining plate, the air outlet end of the air guide pipe penetrates through the wheel cover lining plate, and the air outlet is opposite to the braking system.

2. The wind guide structure of a brake system according to claim 1, wherein the center of the wind outlet and the center of the brake system have the same height.

3. The wind guide structure of a brake system according to claim 2, wherein the center of the wind inlet and the center of the wind outlet are at the same height.

4. The wind guide structure of a brake system according to claim 1, wherein the air inlet and the air outlet have different shapes, and an inner wall of the wind guide pipe is smoothly disposed.

5. The wind guide structure of a brake system according to claim 4, wherein the wind inlet is elongated, the wind outlet is square, the aspect ratio of the wind inlet is S1, the aspect ratio of the wind outlet is S2, and S1 is greater than S2.

6. The structure for guiding wind of a brake system according to any one of claims 1 to 5, wherein an area of the wind inlet and an area of the wind outlet are the same.

7. The wind guide structure of the brake system of any one of claims 1 to 5, wherein the wind inlet end of the wind guide pipe extends to the front bumper of the automobile, and the wheel cover liner plate is a front wheel cover liner plate.

8. The automobile comprises a wheel cover lining plate and a braking system, and is characterized by further comprising a braking system wind guide structure according to any one of claims 1 to 7, wherein the wind outlet end of the wind guide pipe is fixedly connected with the wheel cover lining plate, and the wind outlet of the wind guide pipe is arranged opposite to the braking system.

9. The vehicle of claim 8, wherein the duct and the wheelhouse liner are integrally formed.

10. The automobile of claim 8, wherein the braking system is a brake disc, and the brake disc is provided with ventilation grooves for assisting heat dissipation.