CN210423511U

CN210423511U - Brake disc and vehicle

Info

Publication number: CN210423511U
Application number: CN201920641751.XU
Authority: CN
Inventors: 郭强强; 李霏; 夏金龙
Original assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-28
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a brake disc, which comprises a disc cap, a connecting piece and a brake piece; the braking part comprises a first working piece, a rib and a second working piece; the first workpiece, the rib and the second workpiece are concentric discs with the same outer diameter, the rib is respectively connected with the first workpiece and the second workpiece, a first assembling hole is formed in the first workpiece, a second assembling hole is formed in the rib, and a third assembling hole is formed in the second workpiece; one end of the connecting piece is connected with the disc cap, and the other end of the connecting piece is sequentially connected with the first assembly hole, the second assembly hole and the third assembly hole. The ribs are also provided with heat dissipation holes and air flow channels, which are beneficial to the heat dissipation of the brake disc. The utility model also discloses a vehicle that contains above-mentioned brake disc. The utility model discloses for prior art, weight is lighter, and heat altered shape is littleer, and heat dispersion is better, makes processing technology simple moreover, and the cost is lower.

Description

Brake disc and vehicle

Technical Field

The utility model relates to a vehicle manufacturing technical field especially relates to a brake disc and have vehicle of this brake disc.

Background

With the continuous development of society and economy, the automobile gradually develops modernization, intellectualization and light weight, and people have higher and higher requirements on the safety performance of the automobile. The brake disc, also known as brake disc, is an important component of a vehicle braking system, is a component mounted coaxially with a wheel, and is mainly used for transmitting braking torque and converting a part of kinetic energy into heat energy. The brake disc rotates with wheel or axletree when the vehicle moves, and brake caliper cliies the brake disc during braking, produces the friction with the working face of brake disc and absorbs kinetic energy, and then plays the effect of slowing down and makes the vehicle braking park. When braking, the brake caliper rubs against the brake disc surface to generate larger friction force and brake torque and release a large amount of heat, so that the brake disc is easy to generate thermal deformation. Therefore, the heat dissipation performance is very important for the brake disc.

In the composite brake disc in the prior art, the disc cap and the working surface are riveted and pressed by adopting a spline or a tooth-shaped structure, the process of the brake disc is complex, the assembly requirement is high, the cost is high, and the lightweight design and the heat dissipation are not facilitated.

Disclosure of Invention

An object of the utility model is to provide a brake disc for overcome the brake disc among the prior art heavy, the structure is complicated, with high costs, heat dispersion subalternation technical problem.

The utility model discloses a realize through following technical scheme:

a brake disc comprises a disc cap, a connecting piece and a brake piece; the braking part comprises a first working piece, a rib and a second working piece; the first workpiece, the ribs and the second workpiece are all concentric discs with the same outer diameter, and the ribs are connected with the first workpiece and the second workpiece respectively; a first assembly hole is formed in the first workpiece, a second assembly hole is formed in the rib, and a third assembly hole is formed in the second workpiece; one end of the connecting piece is connected with the disc cap, and the other end of the connecting piece is sequentially connected with the first assembly hole, the second assembly hole and the third assembly hole.

Furthermore, the brake part further comprises a connecting column, a first through hole is formed in the first work piece, a second through hole is formed in the rib, a third through hole is formed in the second work piece, and the connecting column penetrates through the first through hole, the second through hole and the third through hole in sequence, so that the rib is connected with the first work piece and the second work piece respectively.

Furthermore, the connecting piece is a clamping sleeve, inner teeth are arranged on the inner periphery of the clamping sleeve, and outer teeth are arranged on the outer periphery of the clamping sleeve; a first tooth groove matched with the inner teeth is formed in the outer periphery of the disc cap; second tooth sockets matched with the external teeth are arranged on the inner peripheries of the first assembling hole, the second assembling hole and the third assembling hole; the first tooth groove is meshed with the inner teeth; the second tooth groove is engaged with the external teeth.

Further, the connecting column is a rivet, and the rivet is in interference fit with the first through hole, the second through hole and the third through hole.

Further, the connecting piece is a bolt; an installation platform is arranged at the outer edge of the disc cap, and a first bolt hole is formed in the installation platform; and second bolt holes corresponding to the first bolt holes are formed in the first working piece, the ribs and the second working piece, and the bolts are in threaded connection with the first bolt holes and the second bolt holes.

Furthermore, a plurality of heat dissipation ribs are further arranged on the ribs, the heat dissipation ribs extend from the second assembling holes to the outer edges of the ribs, and air flow channels are formed in gaps between every two adjacent heat dissipation ribs.

Furthermore, the heat dissipation ribs are arc-shaped, and a plurality of heat dissipation ribs are uniformly distributed on the ribs at intervals.

Further, the rib further comprises a plurality of groups of heat dissipation holes, and each group of heat dissipation holes comprises a plurality of heat dissipation holes distributed from the second assembly hole to the outer edge of the rib.

Further, the tray cap and the ribs are made of an aluminum alloy material, and the first and second working pieces are made of a gray cast iron material.

Correspondingly, the utility model discloses still provide a vehicle, include as above the brake disc.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses a brake disc and vehicle is through the split type design of dish cap and retaining member to fall into first work piece, rib and second work piece three with the structure of retaining member, and dish cap and rib part adopt aluminum alloy material, subtract heavy to the whole car, energy-conservation and reduce oil consumption are more favourable, and the heat altered shape is littleer, is favorable to the heat dissipation simultaneously. The brake piece is provided with the heat dissipation holes and the air flow channels, so that heat generated during braking can be better dissipated, the heat dissipation capacity of the brake disc can be effectively improved, the heat dissipation performance is further improved, and the brake disc with the structure is simple in manufacturing and processing process and low in cost.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for 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 only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an assembly view of the brake disc of the present invention;

FIG. 2 is a cross-sectional view of the brake disk of the present invention;

fig. 3 is a schematic structural view of the brake disc of the present invention;

FIG. 4 is an assembly view of the brake disc of the present invention;

fig. 5 is a schematic structural view of the tray cap of the present invention;

fig. 6 is a schematic structural view of the brake disc of the present invention;

wherein the reference numerals in the figures correspond to: 1-disc cap, 2-first workpiece, 3-rib, 4-second workpiece, 5-connecting piece, 6-connecting column, 11-mounting table, 111-first bolt hole, 21-first assembling hole, 22-first through hole, 31-second assembling hole, 32-second through hole, 33-heat dissipation rib, 34-heat dissipation hole, 41-third assembling hole, 42-third through hole, 51-cutting sleeve, 511-internal tooth, 512-external tooth and 52-bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," "third," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Examples

In the present embodiment, as shown in fig. 1 to 3, there is provided a brake disc including a disc cap 1, a link 5 and a brake; the brake part comprises a first working piece 2, a rib 3 and a second working piece 4; the first work piece 2, the rib 3 and the second work piece 4 are all concentric discs with the same outer diameter, and the rib 3 is respectively connected with the first work piece 2 and the second work piece 4; a first assembly hole 21 is formed in the first workpiece 2, a second assembly hole 31 is formed in the rib 3, and a third assembly hole 41 is formed in the second workpiece 4; one end of the connecting member 5 is connected to the disc cap 1, and the other end of the connecting member 5 is connected to the first assembly hole 21, the second assembly hole 31, and the third assembly hole 41 in sequence.

In this embodiment, the connector 5 employs a ferrule 51, the inner periphery of the ferrule 51 is provided with inner teeth 511, and the outer periphery of the ferrule 51 is provided with outer teeth 512. The outer periphery of the tray cap 1 is provided with a first tooth groove matched with the inner teeth 511, and the inner peripheries of the first assembly hole 21, the second assembly hole 31 and the third assembly hole 41 are provided with a second tooth groove matched with the outer teeth 512. The first tooth space is engaged with the inner teeth 511, the second tooth space is engaged with the outer teeth 512, and the cap 1, the first operating member 2, the ribs 3 and the second operating member 4 are sequentially buckled in a staggered manner during working. The split structure of the disc cap 1 and the braking part is beneficial to heat dissipation of the braking part and thermal deformation improvement of the brake disc. The disc cap 1, the first workpiece 2, the ribs 3, the second workpiece 4 and the cutting sleeve 51 are in interference fit at the joint to ensure the reliability of connection.

In this embodiment, the braking member further comprises a connection post 6. The connection mode of the connecting column 6 is as follows: the first workpiece 2 is provided with a first through hole 22, the rib 3 is provided with a second through hole 32, the second workpiece 4 is provided with a third through hole 42, and the connecting column 6 sequentially penetrates through the first through hole 22, the second through hole 32 and the third through hole 42, so that the rib 3 is respectively connected with the first workpiece 2 and the second workpiece 4.

Preferably, the connecting stud 6 is a rivet.

Further preferably, the outer edge portions of the first working piece 2, the rib 3 and the second working piece 4 are provided with 17 through holes correspondingly assembled, and the 17 rivets are connected with the first through hole 22, the second through hole 32 and the third through hole 42 in an interference fit manner, so that the braking piece of the brake disc can bear high shearing strength, and meanwhile, the size requirements of thickness difference, flatness, parallelism, end face jumping and the like of the brake disc are better guaranteed. In view of the extreme wear conditions of the brake disc, the rivets must in any case not have an effect on the braking performance, and therefore the rivets need to be set in place 2mm below the working surface.

In this embodiment, the ribs 3 are provided with heat dissipating ribs 33 at equal intervals in the circumferential direction, and the heat dissipating ribs 33 extend radially from the second mounting holes to the outer edges of the ribs. The heat dissipating ribs 33 are arc-shaped and evenly spaced on the ribs. The air flow channel is formed by the gap between every two adjacent heat dissipation ribs 33, which is beneficial to heat dissipation of the brake disc.

Preferably, the heat dissipating ribs 33 are spaced apart from the second through holes 32 on the ribs 3. The heat dissipation ribs 33 are designed intermittently, and a plurality of sets of heat dissipation holes are arranged at the intermittent positions, and each set of heat dissipation holes includes a plurality of heat dissipation holes 34 distributed from the second assembly holes 31 to the outer edges of the ribs 3. The heat dissipation holes 34 are hexagonal. In order to achieve a better heat dissipation effect, the sizes of the heat dissipation holes 34 are different, and the aperture of the heat dissipation hole 34 close to the edge is smaller than that of the heat dissipation hole 34 far away from the edge. During braking, airflow enters from the disk cap 1 and flows along the heat dissipation holes 34 on the ribs 3 and the airflow channel, so that heat dissipation is realized.

In this embodiment, the first and

second work pieces

2 and 4 are made of gray cast iron, and the rib 3 is made of aluminum alloy. Because the heat conductivity of aluminum is better, the rib 3 is made of aluminum alloy material, and compared with a brake disc of which the whole brake part is made of cast iron material, the structure is more favorable for heat dissipation. The disc cap 1 is also made of aluminum alloy material. Therefore, weight reduction can be effectively realized, and heat dissipation is facilitated.

In this embodiment, the first working member 2, the ribs 3 and the second working member 4 are formed by casting, the tray cap 1 is formed by stamping or casting, and then machining is performed to ensure the precision requirement. Because the rivet interference fit on the braking piece is connected, after the complete rivet is assembled, the first workpiece 2 and the second workpiece 4 need to be ground once again, so that certain machining allowance is reserved for grinding machining after the first workpiece 2 and the second workpiece 4 are machined, and the requirements of thickness difference and end face runout of the brake disc are met.

It should be noted that the first work-piece 2, the ribs 3 and the second work-piece 4 can also be manufactured by a two-shot process.

As an alternative embodiment, referring to fig. 4-6, the disc cap 1 can be connected to the first working member 2, the ribs 3 and the second working member 4 by bolts 52. The outer edge of the disc cap 1 is in a petal shape, an installation platform 11 is arranged between two adjacent petals, and a first bolt hole 111 matched with the bolt 52 is formed in the installation platform 11. Accordingly, the first working piece 2, the rib 3 and the second working piece 4 are provided with second bolt holes that are fitted in correspondence with the first bolt holes 111. The bolt 52 is in threaded connection with the first bolt hole 111 and the second bolt hole, so that the fixed connection between the disc cap 1 and the stopper is realized.

Examples

In this embodiment, a vehicle is also provided, and the vehicle includes the brake disc as in the above embodiments.

The above embodiment of the utility model has following beneficial effect: the utility model discloses a brake disc and vehicle is through the split type design of dish cap and retaining member to fall into first work piece, rib and second work piece three with the structure of retaining member, and dish cap and rib part adopt aluminum alloy material, subtract heavy to the whole car, energy-conservation and reduce oil consumption are more favourable, and the heat altered shape is littleer, is favorable to the heat dissipation simultaneously. The brake piece is provided with the heat dissipation holes and the air flow channels, so that heat generated during braking can be better dissipated, the heat dissipation capacity of the brake disc can be effectively improved, the heat dissipation performance is further improved, and the brake disc with the structure is simple in manufacturing and processing process and low in cost.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. A brake disc is characterized by comprising a disc cap (1), a connecting piece (5) and a brake piece;

the brake part comprises a first working piece (2), a rib (3) and a second working piece (4); the first workpiece (2), the ribs (3) and the second workpiece (4) are all concentric discs with the same outer diameter, and the ribs (3) are connected with the first workpiece (2) and the second workpiece (4) respectively; a first assembling hole (21) is formed in the first workpiece (2), a second assembling hole (31) is formed in the rib (3), and a third assembling hole (41) is formed in the second workpiece (4); the one end connection dish cap (1) of connecting piece (5), the other end of connecting piece (5) in proper order with first pilot hole (21), second pilot hole (31) and third pilot hole (41) link to each other.

2. The brake disc of claim 1, wherein the brake member further comprises a connecting column (6), the first working member (2) is provided with a first through hole (22), the rib (3) is provided with a second through hole (32), the second working member (4) is provided with a third through hole (42), and the connecting column (6) sequentially penetrates through the first through hole (22), the second through hole (32) and the third through hole (42), so that the rib (3) is respectively connected with the first working member (2) and the second working member (4).

3. Brake disc according to claim 1, wherein the connecting piece (5) is a ferrule (51), the ferrule (51) being provided with internal teeth (511) on its inner circumference and external teeth (512) on its outer circumference; the outer periphery of the disc cap (1) is provided with a first tooth groove matched with the inner teeth (511); second tooth sockets matched with the external teeth (512) are arranged on the inner peripheries of the first assembly hole (21), the second assembly hole (31) and the third assembly hole (41); the first tooth grooves are engaged with the internal teeth (511), and the second tooth grooves are engaged with the external teeth (512).

4. Disc according to claim 2, characterized in that the connection stud (6) is a rivet with interference fit with the first (22), second (32) and third (42) through holes.

5. Brake disc according to claim 1, characterized in that the connection piece (5) is a bolt (52); an installation table (11) is arranged on the outer edge of the disc cap (1), and a first bolt hole (111) is formed in the installation table (11); and second bolt holes corresponding to the first bolt holes (111) are formed in the first working piece (2), the ribs (3) and the second working piece (4), and the bolts (52) are in threaded connection with the first bolt holes (111) and the second bolt holes respectively.

6. A brake disc according to claim 3 or 5, wherein a plurality of heat dissipation ribs (33) are further arranged on the ribs (3), the heat dissipation ribs (33) extend from the second assembly holes (31) to the outer edges of the ribs (3), and air flow channels are formed by gaps between two adjacent heat dissipation ribs (33).

7. Disc according to claim 6, characterized in that said ribs (33) are arc-shaped, a plurality of said ribs (33) being evenly spaced on said ribs (3).

8. Disc according to claim 3 or 5, characterized in that said ribs (3) further comprise a plurality of groups of heat dissipation holes, each group of said heat dissipation holes comprising a plurality of heat dissipation holes (34) distributed from said second assembly holes (31) towards the outer edge of said ribs (3).

9. Brake disc according to claim 1, characterized in that the disc cap (1) and the ribs (3) are made of an aluminium alloy material and the first (2) and second (4) working pieces are made of a grey cast iron material.

10. A vehicle comprising a brake disc according to any one of claims 1 to 9.