CN216666310U

CN216666310U - Split type brake disc

Info

Publication number: CN216666310U
Application number: CN202123441732.9U
Authority: CN
Inventors: 王灿; 李亚辉; 杜勇; 郝志宇; 张晓明; 李奕坤
Original assignee: Beijing Tianyishangjia New Material Co Ltd
Current assignee: Beijing Tianyishangjia New Material Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of brake discs, in particular to a split type brake disc, which comprises: the dish cap is provided with a plurality of ventilation ribs at intervals along the circumferential direction of the dish cap, and the dish cap and the ventilation ribs are made of aluminum alloy materials; and the friction rings are respectively arranged on two sides of the ventilation ribs along the axial direction so as to form a ventilation flow passage between every two adjacent ventilation ribs. The utility model provides the split brake disc which is low in cost, light in weight and high in strength.

Description

Split type brake disc

Technical Field

The utility model relates to the technical field of brake discs, in particular to a split type brake disc.

Background

The brake disc is an important part of an automobile braking system and plays an important role in the safety of an automobile. Through the development of hundreds of years, the mature materials of the brake disc at the present stage mainly comprise cast iron, forged steel and the like, but the requirements on the brake device for the vehicle are more rigorous since the new century is started, especially the lightweight process of the vehicle is promoted, and the traditional steel brake material represented by the cast iron and the forged steel is easy to rust after being affected by moisture due to the performance disadvantages of low thermal conductivity, small specific heat capacity, heat fatigue sensitivity and the like, so that the application of the brake material in the future, especially in the field of high-end brakes is limited. In the field of new energy automobiles, the problem that the battery weight is seriously increased while the endurance mileage is increased exists, so that the demand on the lightweight of other parts of the automobile is more and more urgent. In the field of military armored vehicles, the light weight of the vehicle means that the carrying capacity and the fighting capacity can be greatly improved, and the military armored vehicle has very urgent requirements and broad prospects.

At present, lightweight brake discs in the market mainly comprise carbon ceramic brake discs and cast iron split brake discs, wherein the carbon ceramic brake discs are common short fiber discs, the cost is high, and the problem of impact fracture under extreme working conditions exists; the cast iron split brake disc mainly replaces the disc cap part with aluminum alloy or cast steel through split design, but the weight is reduced by only 10-15%, and the weight is relatively low.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the carbon-ceramic brake disc in the prior art is high in cost, easy to break under impact and heavy in weight of the cast iron split brake disc, so that the split brake disc with low cost, light weight and high strength is provided.

In order to solve the above technical problem, the present invention provides a split brake disc, including:

the dish cap is provided with a plurality of ventilation ribs at intervals along the circumferential direction of the dish cap, and the dish cap and the ventilation ribs are made of aluminum alloy materials;

and the friction rings are respectively arranged on two sides of the ventilation ribs along the axial direction so as to form a ventilation flow passage between every two adjacent ventilation ribs.

Optionally, the friction ring is detachably connected to the air bar by a first fastener.

Optionally, the tray cap and the plurality of ventilation ribs are integrally formed.

Optionally, the friction ring is made of carbon ceramic long fibers, carbon ceramic short fibers or cast iron.

Optionally, the outer peripheral edge of dish cap extends to keeping away from centre of a circle direction and forms the installation department, the first end shaping of air rib is in on the installation department.

Optionally, the air bar is arc-shaped, and the second end extends towards a direction close to the mounting portion.

Optionally, the first end of air reinforcement bar is equipped with first through-hole, and a pair of the relevant position of friction ring is equipped with the second through-hole, first fastener runs through first through-hole and second through-hole in order will friction ring and air reinforcement bar fastening.

Optionally, the inner circumference of the friction ring is formed with a plurality of extending portions toward the center of circle, and the second through hole is formed in the extending portions.

Optionally, a plurality of connecting portions are arranged at intervals along the circumferential direction on the inner edge of the disc cap, a plurality of ventilation ribs are connected into a whole through a first connecting ring, a plurality of inserting portions are arranged at intervals on the first connecting ring towards the direction of the circle center, and the plurality of inserting portions and the plurality of connecting portions are arranged in a staggered mode, so that the ventilation ribs are fixedly inserted into the disc cap.

Optionally, the disc cap further comprises a second connecting ring arranged on the first connecting ring, a plurality of first hole bodies are arranged on the second connecting ring at intervals along the circumferential direction, second hole bodies extending along the axial direction are arranged on the connecting portion, and second fasteners penetrate through the first hole bodies and then are inserted into the second hole bodies to fix the ventilating ribs and the disc cap.

Optionally, the arc main body part of the air rib is provided with at least one third through hole, a pair of corresponding positions of the friction ring are provided with fourth through holes, and the first fastening piece penetrates through the third through hole and the fourth through hole to fasten the friction ring and the air rib.

Optionally, the first fastener is a fixing bolt and nut and the second fastener is an M9 round head bolt.

Optionally, a plurality of lightening holes are arranged on the disc cap.

The technical scheme of the utility model has the following advantages:

1. according to the split type brake disc, the disc cap and the ventilating ribs are made of aluminum alloy materials, so that the overall weight of the brake disc is further reduced, a weight reduction effect of 30-35% is realized, and the cost is low; because of main atress part is dish cap and air reinforcement, even the friction ring adopts carbon pottery material, still can keep certain mechanical strength, has eliminated because of the low potential fracture risk that brings of carbon pottery tensile strength.

2. According to the split type brake disc provided by the utility model, the disc cap and the plurality of ventilation ribs are integrally processed and formed, so that the overall strength of the brake disc is further improved.

3. According to the split brake disc provided by the utility model, the friction ring is detachably connected with the ventilating rib through the first fastening piece, so that an aluminum alloy framework formed by the disc cap and the ventilating rib can be repeatedly utilized, the cost is reduced, and the convenience for disc replacement is improved.

4. According to the split brake disc provided by the utility model, the ventilating ribs are arc-shaped, and the second ends extend towards the direction close to the mounting part, so that the size of the whole brake disc is reduced on the basis of ensuring the ventilating and heat dissipating effects, and meanwhile, the mechanical strength is considered.

5. According to the split brake disc provided by the utility model, the ventilation rib and the disc cap are detachably connected through the matching of the insertion part and the connecting part, so that the ventilation rib and the disc cap can be repeatedly utilized while the overall strength is ensured, and the cost is reduced.

6. According to the split brake disc provided by the utility model, the second connecting ring is arranged on the ventilating rib, so that the connection reliability of the ventilating rib and the disc cap is further improved.

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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a split brake rotor according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the tray cap and air bars of FIG. 1;

FIG. 3 is a schematic view of the friction ring of FIG. 1;

FIG. 4 is a schematic view of a split brake rotor according to a second embodiment of the present invention;

FIG. 5 is a schematic view of the tray cap of FIG. 4;

FIG. 6 is a schematic view of the ventilation bar of FIG. 4;

FIG. 7 is a schematic view of the friction ring of FIG. 4.

Description of reference numerals:

1. a plate cap; 2. a ventilation rib; 3. a friction ring; 4. a cap body; 5. an installation part; 6. mounting holes; 7. lightening holes; 8. a first fastener; 9. a ventilation flow channel; 10. a first through hole; 11. an extension portion; 12. a second through hole; 13. a connecting portion; 14. a first connecting ring; 15. a plug-in part; 16. a second connection ring; 17. a first aperture body; 18. a second aperture body; 19. a second fastener; 20. a third through hole; 21. and a fourth via.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The first embodiment of the split brake disc shown in fig. 1 to 3 includes a disc cap 1 and a plurality of air bars 2 which are integrally formed, and a pair of friction rings 3 which are axially disposed on both sides of the air bars 2.

The disc cap 1 comprises a cap body 4 and a mounting part 5 formed by extending the outer periphery of the cap body 4 in the direction far away from the circle center, a mounting hole 6 is formed in the center of the cap body 4, and the mounting part 5 and the cap body 4 form a concentric circle. In order to reduce the overall weight of the brake disc, a plurality of lightening holes 7 are arranged on the cap body 4 at equal intervals.

A plurality of ventilations 2 are followed the circumference interval of dish cap 1 is arranged, ventilations 2 are the arc, and the first end shaping is in on installation department 5, the second end orientation is close to installation department 5's direction extends, and a plurality of 2 parallel arrangements of ventilations. The dish cap 1 and the ventilating rib 2 are made of aluminum alloy materials.

A pair of friction ring 3 through first fastener 8 with the rib 2 is dismantled and is connected, with adjacent two form ventilation runner 9 between the rib 2, ventilation runner 9 is the arc, and the heat that produces when guaranteeing the braking can in time be followed ventilation runner 9 and effluvium. Specifically, the first end of air reinforcement 2 is equipped with first through-hole 10, the inner periphery of friction ring 3 is formed with a plurality of extensions 11 towards centre of a circle direction, and the relevant position of extension 11 is equipped with second through-hole 12, first fastener 8 runs through first through-hole 10 and second through-hole 12 in order to incite somebody to action friction ring 3 fastens with air reinforcement 2. The first fastener 8 is a fixing bolt and a nut. The fixing bolt penetrates through one friction ring 3, the ventilating rib 2 and the other friction ring 3 in sequence and then is fastened through the nut. The friction ring 3 is made of carbon ceramic long fibers, carbon ceramic short fibers or cast iron.

In order to prolong the service life of the disc cap 1 and the ventilating rib 2, wear-resistant coatings are coated at the contact positions of the disc cap 1 and the ventilating rib 2 and the friction ring 3.

The second embodiment of the split brake disc shown in fig. 4 to 7 includes a disc cap 1 and a plurality of air bars 2 which are detachably connected, and a pair of friction rings 3 which are respectively disposed at both sides of the air bars 2 in the axial direction.

As shown in fig. 5, a plurality of connecting portions 13 are provided at intervals along the circumferential direction on the inner edge of the tray cap 1, the connecting portions 13 are provided to extend in a direction parallel to the axis of the tray cap 1, and the connecting portions 13 are provided with second hole bodies 18 extending in the axial direction. As shown in fig. 6, the plurality of air bars 2 are connected into a whole through a first connecting ring 14, a plurality of inserting portions 15 are arranged at intervals on the first connecting ring 14 towards the direction of the circle center, and the plurality of inserting portions 15 and the plurality of connecting portions 13 are arranged in a staggered manner so as to be inserted and fixed between two adjacent connecting portions 13, so that the air bars 2 are fixed with the disc cap 1.

In order to further improve the connection reliability of the air rib 2 and the disc cap 1, a second connecting ring 16 is further arranged on the end face, away from the disc cap 1, of the first connecting ring 14, a plurality of first hole bodies 17 are arranged on the second connecting ring 16 at intervals along the circumferential direction, and second fastening pieces 19 penetrate through the first hole bodies 17 and then are inserted into the second hole bodies 18 to fix the air rib 2 and the disc cap 1. Specifically, the second fastening member 19 is an M9 round head bolt.

For guaranteeing the air reinforcement 2 and the 3 reliable connections of friction ring, it is equipped with two third through-holes 20, a pair of to be equipped with the interval on the arc main part of air reinforcement 2 the relevant position of friction ring 3 is equipped with two fourth through-holes 21, first fastener 8 runs through third through-hole 20 and fourth through-hole 21 in order to incite somebody to action friction ring 3 fastens with air reinforcement 2.

As an alternative embodiment, the dish cap 1 and the ventilation bar 2 may also be connected by means of fixing bolts and nuts.

As an alternative embodiment, the friction ring 3 and the ventilation bar 2 can also be integrally formed.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A split brake disc, comprising:

the dish cap (1) is provided with a plurality of ventilation ribs (2) at intervals along the circumferential direction of the dish cap (1), and the dish cap (1) and the ventilation ribs (2) are made of aluminum alloy materials;

and the pair of friction rings (3) are respectively arranged on two sides of the ventilating ribs (2) along the axial direction so as to form a ventilating flow channel (9) between the two adjacent ventilating ribs (2).

2. Split brake disc according to claim 1, characterized in that the friction ring (3) is detachably connected to the air bars (2) by means of first fasteners (8).

3. The split brake disc of claim 2, wherein the disc cap (1) and the plurality of ventilation bars (2) are integrally formed.

4. The split brake disc of claim 3, wherein the outer periphery of the disc cap (1) extends away from the center of circle to form a mounting portion (5), and the first end of the ventilation rib (2) is formed on the mounting portion (5).

5. Split brake disc according to claim 4, wherein the ventilation bars (2) are arc-shaped and the second ends extend towards the direction close to the mounting portion (5).

6. The split brake disc according to claim 4 or 5, wherein the first end of the air rib (2) is provided with a first through hole (10), a second through hole (12) is provided at a corresponding position of the pair of friction rings (3), and the first fastening member (8) penetrates through the first through hole (10) and the second through hole (12) to fasten the friction rings (3) and the air rib (2).

7. The split brake disc according to claim 6, wherein the inner periphery of the friction ring (3) is formed with a plurality of extensions (11) toward the center of the circle, and the second through holes (12) are formed on the extensions (11).

8. The split type brake disc of claim 2, wherein a plurality of connecting portions (13) are arranged at intervals along the circumferential direction on the inner edge of the disc cap (1), a plurality of ventilation ribs (2) are connected into a whole through a first connecting ring (14), a plurality of inserting portions (15) are arranged at intervals on the first connecting ring (14) towards the direction of the circle center, and the plurality of inserting portions (15) and the plurality of connecting portions (13) are arranged in a staggered manner, so that the ventilation ribs (2) are fixedly inserted into the disc cap (1).

9. The split type brake disc of claim 8, further comprising a second connecting ring (16) arranged on the first connecting ring (14), wherein a plurality of first hole bodies (17) are arranged on the second connecting ring (16) at intervals along the circumferential direction, a second hole body (18) extending along the axial direction is arranged on the connecting portion (13), and a second fastening member (19) penetrates through the first hole body (17) and then is inserted into the second hole body (18) so as to fix the ventilating rib (2) and the disc cap (1).

10. The split brake disc of claim 9, wherein the arc-shaped main body of the air bars (2) is provided with at least one third through hole (20), a pair of corresponding positions of the friction rings (3) are provided with fourth through holes (21), and the first fastening member (8) penetrates through the third through hole (20) and the fourth through hole (21) to fasten the friction rings (3) and the air bars (2).