CN217328229U - Groove brake disc - Google Patents

Groove brake disc Download PDF

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Publication number
CN217328229U
CN217328229U CN202220206737.9U CN202220206737U CN217328229U CN 217328229 U CN217328229 U CN 217328229U CN 202220206737 U CN202220206737 U CN 202220206737U CN 217328229 U CN217328229 U CN 217328229U
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China
Prior art keywords
brake disc
disc
side friction
friction disc
groove
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CN202220206737.9U
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Chinese (zh)
Inventor
王正国
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Sichuan University of Science and Engineering
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Sichuan University of Science and Engineering
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Priority to CN202220206737.9U priority Critical patent/CN217328229U/en
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Abstract

The utility model discloses a groove brake disc, which comprises an inner side friction disc and an outer side friction disc which are parallel to each other, wherein the inner side friction disc is fixedly connected with the outer side friction disc through a connecting rib, and a brake disc mounting boss is arranged at the center of the outer side friction disc; the inner side friction disc and the outer side friction disc are both provided with composite grooves for increasing heat dissipation; the composite grooves comprise circumferential grooves and a plurality of radial grooves, and the plurality of radial grooves are uniformly distributed at intervals; the radial groove is rectangular, and two ends of the radial groove respectively extend to the inner circular surface and the outer circular surface of the brake disc; the circumferential groove is annular. The utility model discloses set up brake disc installation boss on the outside friction disc, it is fixed with the axletree cooperation through brake disc installation boss, has all seted up compound slot on inboard friction disc and the outside friction disc, and compound slot has increased the heat radiating area on brake disc surface, can let the produced heat of brake disc in time spill, reduces the temperature of brake disc.

Description

Groove brake disc
Technical Field
The utility model belongs to the technical field of the brake disc, concretely relates to groove brake disc.
Background
The disc brake has simple structure, light weight, quick action and convenient maintenance, is widely applied to the service braking of automobiles, and is one of the key parts of the automobiles. The brake disc can be designed into a solid disc or a hollow disc, the hollow disc is connected through rib plates which are uniformly distributed in the circumferential direction, ventilation channels are formed between adjacent ribs and the disc, the heat dissipation area of the brake disc is increased, and a part of heat can be taken away. At present, most of cars and commercial vehicles are equipped with hollow disc brakes.
However, the current commercial brake disc has a smooth surface, and the smooth friction surface can generate a large amount of heat due to frequent braking in the urban driving process, and the heat cannot be dissipated in time, so that the surface temperature of the brake disc is increased sharply to several hundred degrees, the contact state of the friction surface is changed, the problems of heat fading, friction coefficient reduction and the like occur, and the braking performance of the brake is greatly reduced. In addition, during the friction braking process, the high-frequency vibration caused by the smooth friction surface can also seriously affect the safety of the brake, and the continuous high-frequency vibration can cause the friction lining and the brake disc to be loosened, thereby causing safety accidents.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a slot brake disc has solved the unable problem of effluvium and brake disc high-frequency vibration in time of current brake disc heat.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the groove brake disc comprises an inner side friction disc and an outer side friction disc which are parallel to each other, wherein the inner side friction disc is fixedly connected with the outer side friction disc through a connecting rib, and a brake disc mounting boss is arranged in the center of the outer side friction disc; composite grooves used for increasing heat dissipation are formed in the inner side friction disc and the outer side friction disc.
The utility model discloses set up brake disc installation boss on the outside friction disc, it is fixed with the axletree cooperation through brake disc installation boss, all seted up compound slot on inboard friction disc and the outside friction disc, compound slot has increased the heat radiating area on brake disc surface, can let the produced heat of brake disc in time spill, reduces the temperature of brake disc, avoids the brake disc heat fade to appear, coefficient of friction reduces and frictional force reduces the scheduling problem.
Further, the composite groove comprises a circumferential groove and a plurality of radial grooves, and the plurality of radial grooves are uniformly distributed at intervals.
Because the car frequently brakies at the automobile driving in-process, the friction surface of brake disc can produce a large amount of heats, and circumference slot and the radial slot of a plurality of can let the produced heat of brake disc in time spill, reduce the temperature of brake disc, avoid the brake disc heat fade to appear, coefficient of friction reduces, reduces the brake performance of brake disc.
Furthermore, the radial groove is rectangular, and two ends of the radial groove respectively extend to the inner circular surface and the outer circular surface of the brake disc.
Furthermore, the circumferential groove is annular, and the distance between the two ends of the circumferential groove and the inner circular surface and the distance between the two ends of the circumferential groove and the outer circular surface of the brake disc are the same.
The circumference slot is the ring shape, and radial slot is the rectangle, and radial slot both ends extend to the disc in the brake disc and the outer disc has increased the heat radiating area on brake disc surface respectively, avoids inboard friction disc and outside friction disc surface too smooth simultaneously, and produces lasting high frequency vibration, and then leads to friction liner and brake disc not hard up.
Furthermore, the width of the circumferential groove and the width of the radial groove are both 2 mm-5 mm, and the depth of the circumferential groove and the depth of the radial groove are both 1 mm-3 mm.
Furthermore, a through hole and a plurality of bolt holes are formed in the mounting boss of the brake disc, and the intervals between two adjacent bolt holes are the same.
The wheel shaft and the brake disc are fixedly connected through the through holes and the bolt holes, and when a brake pedal is stepped down in the driving process of an automobile, the friction pad applies pressure to the inner side surface and the outer side surface of the brake disc to realize braking.
The utility model discloses a slot brake disc, its beneficial effect is:
1. the utility model discloses compound slot has all been seted up on inboard friction disc and the outside friction disc, and compound slot has increased the heat radiating area on brake disc surface, can let the produced heat of brake disc in time spill, reduces the temperature of brake disc, avoids the brake disc heat fade to appear, coefficient of friction reduces and frictional force reduces to reduce the brake performance of brake disc.
2. The utility model fixedly connects the wheel axle and the brake disc through the through hole and the plurality of bolt holes, when the brake pedal is stepped on in the running process of the automobile, the friction pad applies pressure to the inner side and the outer side surface of the brake disc to realize braking; the circumferential grooves and the radial grooves enable the surface of the brake disc to have an intermittent structure, high-frequency vibration caused by friction between the friction lining and the brake disc can be interrupted, and safety of the brake is improved.
Drawings
FIG. 1 is a front view of a grooved brake rotor.
Figure 2 is a side view of a grooved brake disc.
Wherein, 1, inner friction disc; 2. a radial groove; 3. a circumferential groove; 4. bolt holes; 5. a through hole; 6. a boss is arranged on the brake disc; 7. a connecting rib; 8. the outside rubs the disc.
Detailed Description
While the invention has been described in terms of its specific embodiments for purposes of clarity and understanding by those skilled in the art, it will be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications within the spirit and scope of the invention as defined and defined by the appended claims, as may be readily apparent to those of ordinary skill in the art, and all changes and modifications that fall within the true spirit and scope of the invention.
According to an embodiment of the present application, referring to fig. 1, a grooved brake disc of the present embodiment includes:
the friction disc comprises an inner friction disc 1, an outer friction disc 8, a mounting boss 6 and a composite groove.
The inner side friction disc 1 is fixedly connected with the outer side friction disc 8 through a connecting rib 7, and a brake disc mounting boss 6 is arranged at the center of the outer side friction disc 8; composite grooves are formed in the inner side friction disc 1 and the outer side friction disc 8 and used for increasing heat dissipation performance.
The inner side friction disc 1 and the outer side friction disc 8 are parallel to each other, and the number, the arrangement mode and the shape and the size of the composite grooves formed in the inner side friction disc 1 and the outer side friction disc 8 are the same.
The composite groove comprises a circumferential groove 3 and a plurality of radial grooves 2, and the radial grooves 2 are uniformly distributed at intervals.
Because the car frequently brakies at the automobile driving in-process, the friction surface of brake disc can produce a large amount of heats, and circumference slot 3 and the radial slot 2 of a plurality of can let the produced heat of brake disc in time spill, reduce the temperature of brake disc, avoid the brake disc heat fade to appear, coefficient of friction reduces, reduces the brake performance of brake disc.
The radial grooves 2 are rectangular, and two ends of the radial grooves 2 respectively extend to the inner circular surface and the outer circular surface of the brake disc.
The circumferential groove 3 is annular, and the distance between the two ends of the circumferential groove 3 and the inner circular surface and the outer circular surface of the brake disc is the same.
The number of the radial grooves 2 can be 4-20, and the number of the circumferential grooves 3 can be 1-10.
Circumference slot 3 is the ring shape, and radial slot 2 is rectangle, and radial slot 2 both ends extend to the brake disc inner circular surface respectively and the outer disc has increased the heat radiating area on brake disc surface, avoids inboard friction disc 1 and 8 surfaces of outside friction disc too smooth, and produces the high frequency vibration that lasts, and then leads to friction liner and brake disc not hard up.
The width of the circumferential groove 3 and the width of the radial groove 2 are both 2 mm-5 mm, and the depth thereof is both 1 mm-3 mm.
The brake disc mounting boss is provided with a through hole 5 and a plurality of bolt holes 4, and the intervals between two adjacent bolt holes 4 are the same.
The wheel shaft and the brake disc are fixedly connected through the through hole 5 and the bolt holes 4, and when a brake pedal is stepped down in the driving process of an automobile, the friction pad applies pressure to the inner side surface and the outer side surface of the brake disc to realize braking.
The working principle of the groove brake disc of the embodiment is as follows:
when a driver steps on a brake pedal, the friction pad applies certain pressure to the inner side surface and the outer side surface of the brake disc to brake, and the friction surface of the brake disc is extruded and rubbed to generate a large amount of heat; at this time, the temperature of the braking surface rises sharply, and continuous high-frequency vibration occurs between the friction pad and the brake disc due to the severe friction action of the friction pad and the surface of the brake disc.
At the moment, the heat of the outer side surface of the brake disc is dissipated through the circumferential grooves 3 and the radial grooves 2 which are formed in the inner side friction disc 1 and the outer side friction disc 8, the temperature of the brake disc is reduced, and the problems that the heat is declined, the friction coefficient is reduced, the friction force is reduced and the like of the brake disc are solved.
The circumferential grooves 3 and the radial grooves 2 enable the surface of the brake disc to generate an intermittent structure, high-frequency vibration caused by friction between the friction lining and the brake disc can be interrupted, and the safety of the brake is improved.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the appended claims.

Claims (6)

1. A grooved brake disc characterized by: the brake disc mounting structure comprises an inner side friction disc (1) and an outer side friction disc (8) which are parallel to each other, wherein the inner side friction disc (1) is fixedly connected with the outer side friction disc (8) through a connecting rib (7), and a brake disc mounting boss (6) is arranged at the center of the outer side friction disc (8); and the inner side friction disc (1) and the outer side friction disc (8) are respectively provided with a composite groove for increasing the heat dissipation performance.
2. The grooved brake disc of claim 1, wherein: the composite groove comprises a circumferential groove (3) and a plurality of radial grooves (2), and the radial grooves (2) are uniformly distributed at intervals.
3. The grooved brake disc of claim 2, wherein: the radial groove (2) is rectangular, and two ends of the radial groove (2) respectively extend to the inner circular surface and the outer circular surface of the brake disc.
4. The grooved brake disc of claim 3, wherein: the circumferential groove (3) is annular, and the distance between the two ends of the circumferential groove (3) and the inner circular surface and the outer circular surface of the brake disc are the same.
5. The grooved brake disc of claim 4, wherein: the width of the circumferential groove (3) and the width of the radial groove (2) are both 2 mm-5 mm, and the depth of the circumferential groove and the radial groove are both 1 mm-3 mm.
6. The grooved brake disc of claim 4, wherein: the brake disc mounting boss (6) is provided with a through hole (5) and a plurality of bolt holes (4), and the intervals between two adjacent bolt holes (4) are the same.
CN202220206737.9U 2022-01-25 2022-01-25 Groove brake disc Active CN217328229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220206737.9U CN217328229U (en) 2022-01-25 2022-01-25 Groove brake disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220206737.9U CN217328229U (en) 2022-01-25 2022-01-25 Groove brake disc

Publications (1)

Publication Number Publication Date
CN217328229U true CN217328229U (en) 2022-08-30

Family

ID=82994514

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220206737.9U Active CN217328229U (en) 2022-01-25 2022-01-25 Groove brake disc

Country Status (1)

Country Link
CN (1) CN217328229U (en)

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