CN217713426U

CN217713426U - Structure for radiating brake component and ventilation type radiating system

Info

Publication number: CN217713426U
Application number: CN202221526995.1U
Authority: CN
Inventors: 刘兆阳
Original assignee: IAT Automobile Technology Co Ltd
Current assignee: IAT Automobile Technology Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-01
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a be used for giving the radiating structure of brake block and ventilation formula cooling system. The structure for radiating the brake component comprises a radiating pipeline and a flow guide cover body; one end of the heat dissipation pipeline is arranged on the flow guide cover body and is communicated with the flow guide cover body; the air guide cover body is used for introducing air flow into the heat dissipation pipeline, and the other end of the heat dissipation pipeline extends into the braking component and is used for introducing the air flow to the braking component. The ventilated heat dissipation system comprises the structure for dissipating heat of the braking component, the braking component and the anti-collision assembly; the flow guide cover body is fixedly arranged on the anti-collision assembly; the heat dissipation duct extends into the brake member and introduces airflow thereto. This application can accelerate the air flow of brake part department through the heat radiation structure who increases, has improved holistic radiating efficiency.

Description

Structure for radiating brake component and ventilation type radiating system

Technical Field

The utility model belongs to the technical field of the stopper and specifically relates to a be used for giving radiating structure of brake part and ventilation formula cooling system.

Background

The automobile brake system is an important subsystem of an automobile chassis, the speed of the automobile is higher and higher at present, the area where the automobile runs is more and more complex, long-time continuous braking is often needed, and the requirement on the automobile brake system is increased. Vehicle braking today is essentially the conversion of energy, i.e. the conversion of kinetic energy of the vehicle movement into thermal energy, which is mostly accumulated in the brake disc.

At present, what braking system adopted usually on the car is ventilation disc brake, and it mainly includes brake disc and calliper, and a plurality of ventilation holes have been seted up to the array on the edge of this brake disc, and the car is when high-speed traveling, and the stopper also can carry out high-speed rotation along with it, and rotatory centrifugal force that produces enables the air convection, and the air convection can produce air cycle through the louvre on the ventilation disc to reach radiating purpose. However, the common ventilation brake is only provided with the vent holes, so that the heat dissipation effect is poor, and the phenomena of thermal attenuation and braking force reduction are caused by the fact that the brake is overheated easily due to frequent braking, thereby influencing the driving safety.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for giving the radiating structure of brake block to solve the less technical problem of current stopper air inlet.

The utility model provides a ventilation formula cooling system to solve the not good technical problem of current stopper radiating effect.

A structure for radiating heat of a brake component comprises a heat radiating pipeline and a flow guide cover body;

one end of the heat dissipation pipeline is arranged on the flow guide cover body and is communicated with the flow guide cover body; the air guide cover body is used for introducing air flow into the heat dissipation pipeline, and the other end of the heat dissipation pipeline is used for extending into the braking component and introducing the air flow to the braking component.

In the scheme, the air guide cover body can be arranged in front of the automobile, so that air flow in the driving process can be introduced from the air guide cover body, the heat dissipation pipeline is communicated with the air guide cover body, and the air flow entering from the air guide cover body can enter the brake component through the heat dissipation pipeline. Therefore, in the driving process of the automobile, the brake part does not need to dissipate heat only through the heat dissipation structure of the brake part, and more air flow can enter the brake part through the arranged flow guide cover body and the heat dissipation pipeline, so that more air flows in and out of the brake part are more and smoother.

Preferably, the air guide cover body comprises a mounting frame portion, a conical hopper portion and a connecting pipe portion;

the tip setting of toper bucket portion is in on the installation frame portion, wherein one end setting of connecting tube portion is in on the toper bucket portion, and with toper bucket portion intercommunication, the other end of connecting tube portion with heat dissipation pipeline links to each other.

The mounting frame is used for installing the conical hopper part, and meanwhile the mounting frame also needs to be connected with an external structure to install the whole flow guide cover body, so that the mounting frame can be used as an installation basis of the whole flow guide cover body. The conical hopper part concentrates the introduced airflow to a feed opening of the funnel in the traditional sense, namely the conical hopper part is communicated with the connecting pipe part, and the concentrated airflow enters the heat dissipation pipeline through the connecting pipe part.

Preferably, the heat dissipation pipeline comprises a connecting hose and an air outlet pipeline;

one end of the connecting hose is communicated with the connecting pipe part, the other end of the connecting hose is communicated with one end of the air outlet pipeline, and the other end of the air outlet pipeline extends into the braking component.

Because the heat dissipation pipeline needs to be laid and extends into the braking part, but other structures are arranged in the vehicle, the heat dissipation pipeline can be bent and laid through the connecting hose, so that other structures are avoided, and the whole heat dissipation pipeline is convenient to lay. The air outlet pipeline is used for blowing the air flow introduced into the connecting hose to the braking part, and other structures do not need to be avoided, and only the installation part arranged on the braking part needs to be penetrated.

Preferably, the other end of the air outlet pipeline is communicated with and provided with an air gathering pipeline, the other end of the air gathering pipeline is communicated with and provided with an air outlet nozzle, and the air outlet nozzle extends into the braking component.

The air in the air outlet pipeline can be gathered through the air gathering pipeline and blown out through the air outlet nozzle, and the structure enables the air flow blowing to the braking component to be more concentrated, so that the air flow speed at the heat dissipation component is further increased.

Preferably, the air gathering pipeline and the air outlet pipeline are arranged in a staggered mode.

Because laying of coupling hose need dodge all the other structures in the car, consequently, can make the air-out pipeline that links to each other with coupling hose keep away from the brake parts extension department, consequently, will gather wind pipeline and air-out pipeline dislocation set to make and gather wind pipeline and replace the air-out pipeline to extend to in the brake parts.

Preferably, the connection part of the connection hose and the connection part of the connection hose and the air outlet pipeline are both provided with a clamp.

The firmness of the joint can be further increased through the clamp, and the pipeline can be prevented from being separated from the pipeline when the clamp is used.

A ventilated heat dissipation system comprises the structure for dissipating heat of a brake component, the brake component and a collision avoidance assembly;

the flow guide cover body is fixedly arranged on the anti-collision assembly;

the heat dissipation duct extends into the brake member and introduces airflow thereto.

The air deflector body needs to be arranged at a certain part of the automobile, and can be arranged on an anti-collision assembly in front of the automobile so as to facilitate the introduction of air flow, thereby forming a rapid ventilation system on the automobile. When the automobile runs, the air flow can enter the heat dissipation pipeline through the air guide cover body in the heat dissipation structure, the heat dissipation pipeline blows to the brake component through the air gathering pipeline and the air outlet nozzle, and heat generated in the brake component can be quickly taken away by the air flow circulating at a high speed, so that the heat dissipation effect of the brake component on the automobile can be better.

Preferably, the anti-collision assembly comprises a bumper body and a connecting cover body, the bumper body is provided with a through hole, and the connecting cover body and the bumper body are integrally formed and communicated with the through hole;

the mounting frame portion is provided on the connecting cover body.

The bumper body is installed in the front portion of the automobile and is close to the lower portion, therefore, the air flow needs to be introduced through the through holes, the connecting cover body is connected with the mounting frame portion, the contact area between the mounting frame portion and the irregular bumper body can be increased, and the mounting stability is improved.

Preferably, the brake component comprises two friction disks and at least two ribs, and the ribs are fixedly arranged between the two friction disks to form a brake disk;

the side surface of the brake disc is provided with an axial installation through hole, and a plurality of radial heat dissipation holes are formed between the two friction discs through the rib plates and communicated with the installation through hole;

the air outlet nozzle faces the rib plate closest to the air outlet nozzle.

The two friction disks are separated by the ribbed plates, gaps among the ribbed plates are used as heat dissipation holes, and the air outlet nozzle faces the heat dissipation holes. When driving, the brake disc can rotate, therefore every louvre all can pass through tuyere department to the business turn over wind in making the brake disc is more, more even, and the radiating effect is also better consequently. And gather wind pipeline, air-out pipeline and air outlet nozzle and all not contact with the brake disc, consequently, can not influence the rotation of brake disc.

Preferably, the air outlet nozzle is rectangular, and the width of the air outlet nozzle is smaller than the distance between the two friction disks.

The clearance between two friction disks is the rectangle, and the air outlet nozzle of rectangle more conveniently extends to between two friction disks, and the adaptation degree is better.

In conclusion, the air flow can be introduced into the heat dissipation pipeline through the flow guide cover body arranged on the bumper body, and then the air flow is introduced into the heat dissipation hole of the brake disc through the air gathering pipeline and the air outlet nozzle which are connected with the heat dissipation pipeline, so that the air flow at the position is accelerated, and the heat generated by the brake disc can be blown away by the air flow. Therefore, compared with the heat dissipation through the heat dissipation holes only, the increased heat dissipation structure can accelerate the air flow at the braking part, and the overall heat dissipation efficiency is improved. And through the characteristic of above-mentioned coupling hose, can be more convenient lay when arranging this heat radiation structure, can not occupy the area occupied of other structures, only need buckle to let out can, more save the arrangement space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a heat dissipation system provided in an embodiment of the present invention;

fig. 2 is a schematic view of another perspective of a heat dissipation system provided in an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view illustrating a front portion of a collision avoidance module in a heat dissipation system according to an embodiment of the present invention.

In the above figures, the list of components represented by the various reference numbers is as follows:

10. a heat dissipation pipe; 101. a connecting hose; 102. an air outlet pipeline; 103. a wind-gathering duct; 104. an air outlet nozzle; 20. a flow guide cover body; 201. a mounting frame portion; 202. a conical hopper section; 203. a connecting pipe portion; 30. a brake member; 301. a friction disk; 302. a rib plate; 40. an anti-collision assembly; 401. a bumper body; 402. connecting the cover body; 50. and (5) clamping the hoop.

Detailed Description

In order to make the above and other features and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Referring to fig. 1 to 4, in one embodiment of the present invention, a structure for dissipating heat from a brake component is provided, which includes a heat dissipating pipe 10 and a deflector body 20;

one end of the heat dissipation pipeline 10 is arranged on the air guide hood body 20 and is communicated with the air guide hood body 20; the air guide cover body 20 serves to introduce the air flow into the heat dissipation pipe 10, and the other end of the heat dissipation pipe 10 extends into the stopper 30 for introducing the air flow to the stopper 30.

In addition to the above embodiments, other embodiments of the present application may be further added or defined by one or more of the following combinations based on the above specific embodiments.

The air guide cover body 20 comprises a mounting frame portion 201, a conical hopper portion 202 and a connecting pipe portion 203; the end of the tapered bucket 202 is provided on the mounting frame 201, one end of the connecting pipe 203 is provided on the tapered bucket 202 and communicates with the tapered bucket 202, and the other end of the connecting pipe 203 is connected to the heat dissipating pipe 10.

The heat dissipation pipeline 10 comprises a connection hose 101 and an air outlet pipeline 102; one end of the connection hose 101 is connected to the connection pipe 203, the other end of the connection hose 101 is connected to one end of the air outlet pipe 102, and the other end of the air outlet pipe 102 extends into the braking member 30.

The other end of the air outlet pipeline 102 is communicated with an air collecting pipeline 103, the other end of the air collecting pipeline 103 is communicated with an air outlet nozzle 104, and the air outlet nozzle 104 extends into the braking component 30.

The wind gathering pipeline 103 and the wind outlet pipeline 102 are arranged in a staggered mode.

The connection part of the connection hose 101 and the connection pipe part 203 and the connection part of the connection hose 101 and the air outlet pipeline 102 are provided with clamps 50.

Referring to fig. 1-4, in one embodiment, a ventilated heat dissipation system is provided that includes a structure for dissipating heat from a brake component 30, the brake component 30, and a bumper assembly 40; the air deflector body 20 is fixedly arranged on the anti-collision assembly 40; the heat dissipation pipe 10 extends into the stopper member 30 and introduces the air flow to the stopper member 30.

The anti-collision assembly 40 comprises a bumper body 401 and a connecting cover body 402, wherein the bumper body 401 is provided with a through hole, and the connecting cover body 402 and the bumper body 401 are integrally formed and communicated with the through hole; the mounting frame 201 is provided on the connecting cover 402.

The brake component 30 comprises two friction discs 301 and at least two rib plates 302, and the rib plates 302 are fixedly arranged between the two friction discs 301 to form a brake disc;

the side surface of the brake disc is provided with an axial installation through hole, and a plurality of radial heat dissipation holes are formed between the two friction discs 301 through rib plates 302 and communicated with the installation through hole; the outlet nozzle 104 faces the rib 302 closest thereto.

Air outlet 104 is rectangular, and the width of air outlet 104 is smaller than the distance between two friction disks 301.

Referring to fig. 1-4, in some embodiments of the present invention, the ventilated heat dissipation system includes a bumper assembly 40, a brake component 30, and a heat dissipation structure mounted on the bumper assembly 40 and extending into the brake component 30. The anti-collision assembly 40 is located in front of the vehicle, so that when the vehicle travels, air flows into the braking part 30 from the heat dissipation structure, and heat generated in the braking part 30 can be rapidly taken away by the air flow circulating at a high speed.

Specifically, referring to fig. 1 and 4, the anti-collision assembly 40 includes a bumper body 401 and a connecting cover 402, where the bumper body 401 is a front bumper body 401, and is located only in front of the vehicle to introduce airflow when the vehicle is running. The bumper body 401 is provided with a through hole, the connecting cover body 402 surrounds the through hole and is integrally formed with the bumper body 401, the connecting cover body 402 can be regarded as a shell with the middle part as the through hole, the through hole on the bumper body 401 is communicated with the through hole on the connecting cover body 402, and air flow can pass through the two heat dissipation structures communicated with the connecting cover body 402.

Specifically, referring to fig. 2 and 3, the brake member 30 mainly includes two friction disks 301 and at least two ribs 302, a gap is left between the two friction disks 301, the ribs 302 are located in the gap, the two friction disks 301 are respectively fixed on the ribs 302 to form a brake disk, and at this time, the gaps between the ribs 302 and the two friction disks 301 form radial heat dissipation holes. An axial mounting through hole is further formed in the middle of the friction disc 301, and the radial heat dissipation holes are communicated with the axial mounting through hole, so that air flow can circulate at the axial mounting through hole.

Specifically, referring to fig. 1, the heat dissipation structure mainly includes a heat dissipation pipe 10 and a diffuser body 20, the heat dissipation pipe 10 is disposed on the diffuser body 20 and is communicated with the diffuser body 20, the diffuser body 20 is disposed on the connecting cover body 402, and the other end of the heat dissipation pipe 10 extends into the installation through hole and faces the heat dissipation hole. The air current that gets into by connecting cover body 402 can directly blow to the louvre through kuppe body 20 and heat dissipation pipeline 10 to accelerate the air current of here, take away the heat that will produce with this, it is faster more to flow as the air, and the heat dissipation is also faster, consequently, can accelerate the air flow speed of brake disc department through the heat radiation structure who adds, thereby reaches quick radiating purpose.

Further, the air guide cover body 20 further specifically includes a mounting frame portion 201, a tapered bucket portion 202 and a connecting pipe portion 203; the mounting frame portion 201 is rectangular as a whole, and the inlet end of the tapered bucket portion 202 is provided on the mounting frame portion 201, and the other end thereof communicates with the connecting pipe portion 203. By providing the mounting frame 201 to the connecting cover 402, the entire airflow guide cover body 20 is provided to the bumper body 401, and the end surface of the mounting frame 201 in contact with the connecting cover 402 is horizontal, so that the contact area between the two is increased, and the stability of mounting is further ensured.

Referring to fig. 1, 2 and 3, the heat dissipating pipeline 10 mainly includes a connection hose 101 and an air outlet pipeline 102 installed on a steering knuckle inside an automobile, the connection hose 101 is communicated with the tapered bucket 202, the other end of the connection hose is communicated with the air outlet pipeline 102, the other end of the air outlet pipeline 102 is further communicated with an air collecting pipeline 103, an air outlet nozzle 104 is arranged on the air collecting pipeline 103, and the air outlet nozzle 104 faces the rib plate 302. Since the heat dissipation pipe 10 needs to be laid and extended into the braking part 30, but other structures exist in the vehicle, the heat dissipation pipe can be bent and laid through the connection hose 101, so that other structures are avoided, and the whole heat dissipation pipe 10 is convenient to lay.

The air outlet duct 102 introduces the air flow into the air collecting duct 103, concentrates the air flow through the air collecting duct 103, and blows the air flow to the heat dissipation holes through the air outlet nozzle 104. The air outlet pipeline 102 and the air gathering pipeline 103 are arranged in a staggered mode, the air outlet pipeline 102 is limited by the influence of other modules, the arrangement position of the air outlet pipeline 102 enables the air outlet pipeline 102 not to directly extend into an axial through hole of the brake disc, and therefore the air outlet pipeline 103 can extend into the brake disc, and air flow is blown to the heat dissipation holes directly. The wind gathering pipe 103 and the wind outlet nozzle 104 which extend into the brake disc are not in contact with the friction disc 301, so that the brake disc is prevented from colliding during rotation, and the whole brake system of the automobile can be directly influenced.

Referring to fig. 3, the air outlet 104 is rectangular and is located in a gap between two friction disks 301, and the gap is rectangular, so that the rectangular air outlet 104 is more suitable. The direction of air outlet is towards the louvre, sets up floor 302 department promptly, for realize the heat dissipation in the short time fast, consequently, needs the air outlet orientation to go out air outlet 104 nearest floor 302 department, needs to make the louvre between the floor 302 of air current that blows off fast.

Due to the nature of the connection hose 101, it needs to be bent and laid, and both ends are likely to fall off after a long period of use. Therefore, clamps 50 are further provided at both ends of the connection hose 101, and the tightness between the connection hose 101 and the air outlet duct 102 and the connection pipe portion 203 can be increased by the clamps 50, thereby preventing the connection hose from falling. And gather wind pipeline 103 and wind pipeline 102's junction and be closer to the brake disc, consequently, can the integrated into one piece setting, need not to set up clamp 50, prevent on the one hand that clamp 50 from influencing the rotation of brake disc, on the other hand also can reduce area occupied.

In conclusion, when the automobile runs at a high speed, airflow enters the conical hopper part 202 through the air inlet through holes on the front bumper body 401, is concentrated by the conical hopper part 202 and is introduced into the connecting hose 101 communicated with the conical hopper part, then enters the air outlet pipeline 102 and the air collecting pipeline 103 through the connecting hose 101, and is blown to the heat dissipation holes through the air outlet nozzle 104, so that heat generated by the brake disc can be blown away by the airflow. Compared with the heat dissipation of the brake disc through the heat dissipation holes, the heat dissipation of the heat dissipation pipe 10 can accelerate the air flow at the brake disc, so that the overall heat dissipation efficiency is improved. By the characteristics of the connection hose 101, the heat dissipation pipeline 10 can be more conveniently arranged, the occupied area of other structures is not occupied, and the heat dissipation pipeline only needs to be bent to make way, so that the arrangement space is further saved.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A structure for dissipating heat from a brake component, comprising a heat dissipating duct (10) and a deflector body (20);

one end of the heat dissipation pipeline (10) is arranged on the air deflector body (20) and is communicated with the air deflector body (20); the air guide cover body (20) is used for introducing air flow into the heat dissipation pipeline (10), and the other end of the heat dissipation pipeline (10) is used for extending into the braking component (30) and introducing the air flow to the braking component (30).

2. The structure for dissipating heat from a brake component according to claim 1, wherein the deflector cover body (20) includes a mounting frame portion (201), a tapered bucket portion (202), and a connecting tube portion (203);

the end of the conical bucket part (202) is arranged on the mounting frame part (201), one end of the connecting pipe part (203) is arranged on the conical bucket part (202) and communicated with the conical bucket part (202), and the other end of the connecting pipe part (203) is connected with the heat dissipation pipeline (10).

3. The structure for dissipating heat from a brake component according to claim 2, characterized in that the heat dissipating duct (10) comprises a connecting hose (101) and an air outlet duct (102);

one end of the connecting hose (101) is communicated with the connecting pipe part (203), the other end of the connecting hose (101) is communicated with one end of the air outlet pipeline (102), and the other end of the air outlet pipeline (102) extends into the braking part (30).

4. The structure for dissipating heat of a brake component according to claim 3, wherein the other end of the air outlet pipe (102) is communicated with an air collecting pipe (103), the other end of the air collecting pipe (103) is communicated with an air outlet nozzle (104), and the air outlet nozzle (104) extends into the brake component (30).

5. Structure for dissipating heat from a braking unit according to claim 4, characterized in that said air-collecting duct (103) is offset with respect to said air-outlet duct (102).

6. The structure for dissipating heat of a brake part according to claim 3, wherein a clamp (50) is provided at a place where the connection hose (101) communicates with the connection pipe portion (203) and at a place where the connection hose (101) communicates with the air outlet duct (102).

7. A ventilated heat dissipation system comprising the structure for dissipating heat from a brake component of any of claims 1-6, the brake component, and a bumper assembly (40);

the air guide cover body (20) is fixedly arranged on the anti-collision assembly (40);

the heat dissipation duct (10) extends into the braking part (30) and introduces an air flow at the braking part (30).

8. The ventilated heat dissipation system of claim 7, wherein the bump guard assembly (40) comprises a bumper body (401) and a connecting cover (402), the bumper body (401) has a through hole, and the connecting cover (402) is integrally formed with the bumper body (401) and is communicated with the through hole;

the mounting frame portion (201) is provided on the connecting cover (402).

9. The ventilated heat dissipation system according to claim 7, wherein the brake member (30) comprises two friction disks (301) and at least two ribs (302), wherein the ribs (302) are fixedly disposed between the two friction disks (301) to form a brake disk;

the side surface of the brake disc is provided with an axial installation through hole, a plurality of radial heat dissipation holes are formed between the two friction discs (301) through the ribbed plates (302) and are communicated with the installation through hole;

the air outlet nozzle (104) faces the rib plate (302) closest to the air outlet nozzle.

10. The ventilated heat dissipation system of claim 9, wherein the outlet (104) is rectangular, and wherein a width of the outlet (104) is less than a separation distance between the two friction disks (301).