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CN-224229138-U - Brake disc easy to process and high in heat dissipation performance

CN224229138UCN 224229138 UCN224229138 UCN 224229138UCN-224229138-U

Abstract

A brake disc which is easy to process and high in heat dissipation performance is formed by combining an outer ring and an inner ring of the brake disc, the inner ring of the brake disc is provided with a first side face and a second side face, the first side face is processed and molded into a plurality of first heat dissipation grooves along a first direction, the second side face is processed and molded into a plurality of second heat dissipation grooves along a second direction, the first direction and the second direction are distributed in a non-parallel mode, the first heat dissipation grooves and the second heat dissipation grooves are mutually staggered, a plurality of inner ring heat dissipation through holes are formed, and the inner ring heat dissipation through holes penetrate through the first side face to the second side face of the inner ring of the brake disc. According to the utility model, a punching processing mode is replaced by a slotting processing mode, and a plurality of inner ring heat dissipation through holes can be naturally formed at the intersection of the first heat dissipation groove and the second heat dissipation groove by arranging the first heat dissipation groove and the second heat dissipation groove, so that the process is simplified, the processing time of a single brake disc can be greatly shortened, a larger number of inner ring heat dissipation through holes can be formed in a faster mode, and the heat dissipation performance is improved.

Inventors

  • CHEN YONGGANG
  • Qi Jiechong
  • CHEN ZIYU

Assignees

  • 宁波市路易驰体育用品有限公司

Dates

Publication Date
20260512
Application Date
20250212

Claims (8)

  1. 1. A brake disc which is easy to process and has strong heat dissipation performance is formed by combining a brake disc outer ring (1) and a brake disc inner ring (2); The brake disc inner ring (2) is characterized by comprising a first side surface (21) and a second side surface (22), wherein the first side surface (21) is processed and molded into a plurality of first heat dissipation grooves (211) along a first direction (21 a), and the second side surface (22) is processed and molded into a plurality of second heat dissipation grooves (221) along a second direction (22 a); The first direction (21 a) and the second direction (22 a) are distributed in a non-parallel manner, so that the first heat dissipation grooves (211) and the second heat dissipation grooves (221) are staggered with each other and form a plurality of inner ring heat dissipation through holes (23); the inner ring heat dissipation through hole (23) penetrates from the first side surface (21) to the second side surface (22) of the brake disc inner ring (2).
  2. 2. The brake disc with easy processing and strong heat dissipation performance according to claim 1 is characterized in that the brake disc outer ring (1) is detachably connected and matched with the brake disc inner ring (2) through a plurality of floating buckles (3).
  3. 3. The brake disc with easy processing and strong heat dissipation performance according to claim 1 is characterized in that a first outer ring heat dissipation through hole (11) and a second outer ring heat dissipation through hole (12) are formed in the outer ring (1) of the brake disc; The first outer ring heat dissipation through holes (11) are distributed on the inner side of the second outer ring heat dissipation through holes (12), and the area of the first outer ring heat dissipation through holes (11) is larger than that of the second outer ring heat dissipation through holes (12); The first outer ring heat dissipation through holes (11) are uniformly distributed along the circumferential direction, and the first outer ring heat dissipation through holes (11) are mutually perpendicular to the circle center line of the brake disc outer ring (1); The second outer ring heat dissipation through holes (12) are uniformly distributed along the circumferential direction, and the circle center lines of the second outer ring heat dissipation through holes (12) and the brake disc outer ring (1) are arranged in a mutually non-perpendicular mode.
  4. 4. The brake disc with easy processing and strong heat dissipation performance according to claim 1 is characterized in that a positioning hole (24) for matching with a hub is formed in the center of the inner ring (2) of the brake disc, and a plurality of fixing holes (25) are formed in the outer side of the positioning hole (24).
  5. 5. The brake disc with easy processing and strong heat dissipation performance as claimed in claim 2 is characterized in that the brake disc inner ring (2) is provided with a plurality of weight reduction grooves (26), and the weight reduction grooves (26) and the floating buckles (3) are distributed in parallel along the same direction.
  6. 6. The brake disc with easy processing and high heat dissipation performance as set forth in claim 5, wherein the number of the weight-reducing grooves (26) is 5, so as to divide the brake disc inner ring (2) into 5 subsections (261), and each subsection (261) is provided with a plurality of first heat dissipation grooves (211) and second heat dissipation grooves (221).
  7. 7. The brake disc with easy processing and strong heat dissipation performance according to claim 1, wherein the number of the first heat dissipation grooves (211) is X, the number of the second heat dissipation grooves (221) is Y, and the first heat dissipation grooves (211) of the X and the second heat dissipation grooves (221) of the Y are staggered with each other to form M inner ring heat dissipation through holes (23), and m=x×y is satisfied.
  8. 8. The brake disc with easy processing and strong heat dissipation performance as set forth in claim 1, wherein the inner sides of the first heat dissipation groove (211) and the second heat dissipation groove (221) are closed ends (27), the outer sides are open ends (28), and the open ends (28) are arranged at the outer edge of the inner ring (2) of the brake disc.

Description

Brake disc easy to process and high in heat dissipation performance Technical Field The utility model relates to the technical field of structures of brake discs for vehicles, in particular to a brake disc which is easy to process and has strong heat dissipation performance. Background The brake disc is a key component for ensuring the braking performance of the bicycle by acting together with the brake clamp and preventing the rotation of the wheel through friction force so as to slow down or stop the bicycle. The structure is divided into a solid brake disc and a ventilation brake disc. The ventilating brake disc is provided with a ventilating channel or radiating fins in the disc body, so that the radiating performance can be effectively improved, the temperature rise of the brake disc in the braking process is reduced, the thermal attenuation phenomenon is reduced, and the ventilating brake disc is suitable for road conditions with high-strength riding and more downhill slopes. When the brake disc is installed, the wheels are detached from the bicycle, and then an appropriate tool is selected for installation according to the type of the brake disc and the installation mode of the hub. For the 6-nail installation brake disc, corresponding double offset ring spanners are used for tightening screws according to the diagonal sequence, so that firm and smooth installation of the brake disc is ensured, and the disc body is required to be aligned with the central hole of the hub for the central lock installation brake disc, and the locking ring is inserted and screwed. After the installation is finished, whether the rotation of the brake disc is smooth or not needs to be checked, and the phenomenon of deflection or shaking exists. The technical scheme is characterized by comprising a left disc, a right disc, a radiating disc arranged between the left disc and the right disc and a plurality of rivets used for connecting the left disc, the right disc and the radiating disc together, wherein the left disc, the right disc and the radiating disc are respectively provided with a radiating hole corresponding to each other and a connecting hole for the rivets to penetrate through, the inner wall and the outer wall of the radiating disc are respectively provided with a plurality of inner notches and outer notches, the inner notches and the outer notches are circumferentially distributed around the center of the radiating disc, the inner notches and the outer notches are alternately arranged along the circumferential direction of the radiating disc, and part of the radiating holes of the left disc and the right disc are respectively corresponding to the inner notches and the outer notches, so that the problems of slow heat dissipation and unstable structure in the prior art are solved. In the brake disc in technical example 1, the area contacted with the brake pad is provided with a large number of radiating holes, the radiating holes are troublesome in processing and forming, each radiating hole needs to be perforated independently, so that a large amount of processing time is occupied, and the processing cost is high. In example 2 of the prior art, refer to patent document CN108895097B, a combined brake disc and a manufacturing method thereof are provided, and belong to the technical field of bicycle braking. The stainless steel brake disc solves the problems that an existing stainless steel brake disc is poor in heat dissipation performance and the like. The invention comprises a friction part and a mounting part, wherein an annular groove is formed between the inner periphery of the friction part and the outer periphery of the mounting part, at least two connecting parts are arranged in the annular groove, two ends of each connecting part are respectively connected with the inner periphery of the friction part and the outer periphery of the mounting part, each connecting part is arranged at intervals along the circumferential direction of the mounting part, the annular groove is divided into a plurality of embedded holes by a plurality of connecting parts, cooling fins are arranged in the embedded holes, and the cooling fins are made of aluminum alloy. The brake disc structure shown in technical example 2 has the same drawbacks as those in technical example 1, and the heat dissipation performance and the structural strength of the brake disc structure are even weaker, cannot meet the athletic requirements, and belongs to a low-end product. In summary, a new brake disc is urgently needed to solve the above-mentioned drawbacks. Disclosure of Invention In order to overcome the defects in the prior art, the utility model provides the brake disc which is easy to process and has strong heat dissipation performance. The technical scheme for solving the technical problems is that the brake disc which is easy to process and has strong heat dissipation performance is formed by combining an outer ring of the brake disc and an