CN113187835A - Brake disc assembly and vehicle with same - Google Patents

Abstract

The invention provides a brake disc assembly and a vehicle with the same, wherein the brake disc assembly comprises: the friction ring is provided with a mounting hole and a plurality of connecting holes, and the connecting holes are arranged on the periphery of the mounting hole in a surrounding manner; the tray cap is arranged in the mounting hole, and a notch is formed in the side edge of the tray cap; the first connecting piece comprises a first plate body and a second plate body which are arranged at intervals and a connecting column connected with the first plate body and the second plate body, the first connecting piece is arranged at the notch, the first plate body is positioned on the first side of the notch, the second plate body is positioned on the second side of the notch, the connecting column is positioned in the notch, and a threaded hole is formed in the connecting column; wherein, the first plate body shutoff screw hole. The technical scheme of the application effectively solves the problem of poor sealing performance in the related art.

Description

Brake disc assembly and vehicle with same

Technical Field

The invention relates to the technical field of brake discs, in particular to a brake disc assembly and a vehicle with the same.

Background

The traditional brake disc is an integrated structure made of gray cast iron materials, has large weight under a given boundary, is expanded by heat and deforms greatly, and cannot meet the potential requirements of passenger vehicles and electric automobiles on noise, vibration, sound vibration roughness and light weight.

In order to meet the potential requirements of passenger vehicles and electric vehicles on noise, vibration, sound vibration roughness and light weight, in the related art, the composite brake disc is designed to meet the requirements of light weight, noise, vibration and sound vibration roughness performance, specifically, the composite brake disc connects the friction ring and the disc cap together through two connecting pieces, but is provided with a connecting through hole on the connecting piece, so that other impurities can easily enter the connecting part of the friction ring and the disc cap, and further the damage of the friction ring and the disc cap can be easily caused.

Disclosure of Invention

The invention mainly aims to provide a brake disc assembly and a vehicle with the same, so as to solve the problem of poor sealing performance in the related art.

In order to achieve the above object, the present invention provides a brake disc assembly including: the friction ring is provided with a mounting hole and a plurality of connecting holes, and the connecting holes are arranged on the periphery of the mounting hole in a surrounding manner; the tray cap is arranged in the mounting hole, and a notch is formed in the side edge of the tray cap; the first connecting piece comprises a first plate body and a second plate body which are arranged at intervals and a connecting column connected with the first plate body and the second plate body, the first connecting piece is arranged at the notch, the first plate body is positioned on the first side of the notch, the second plate body is positioned on the second side of the notch, the connecting column is positioned in the notch, and a threaded hole is formed in the connecting column; wherein, the first plate body shutoff screw hole.

Further, the first plate body and the second plate body are the same in length, and the thickness of the first plate body is larger than that of the second plate body.

Further, the brake disc assembly still includes the second connecting piece, the second connecting piece includes the bending plate, form first concave part on the bending plate, first connecting piece joint is in first concave part, first plate body is located the first side of bending plate, the second plate body is located the second side of bending plate, the bending plate is including the first section, the second section, the third section, fourth section and the fifth section that set gradually, the bending plate is installed in the breach, the lateral wall butt of first section and fifth section and dish cap.

Furthermore, the first section, the third section and the fifth section are arranged in parallel, the second section and the fourth section are arranged in parallel, and the second section is perpendicular to the third section.

Further, the second connecting piece still includes first hem, second hem, third hem and fourth hem, and first hem and second hem all are connected with first section, and third hem and fourth hem all are connected with the fifth section, and first hem, second hem, third hem and fourth hem all extend towards the third section, and first hem, second hem, third hem and fourth hem all with the spacing cooperation of dish cap.

Further, the first folded edge and the second folded edge are arranged in parallel, and the third folded edge and the fourth folded edge are arranged in parallel.

Furthermore, the bending plate is of a sheet, net, strip, column, cuboid or bending structure, and the first folding edge, the second folding edge, the third folding edge and the fourth folding edge are all of a bending structure or a straight structure.

Further, be provided with a plurality of second recesses on the lateral wall of dish cap, a plurality of second recesses are located the both sides of breach, and first section and fifth section all are located the second recess.

Further, the first side and the second side of the outer periphery of the tray cap are both planar.

Furthermore, the friction ring is also provided with a weight reduction part, and the weight reduction part is arranged on the circumferential direction of the mounting hole.

According to another aspect of the invention, there is provided a vehicle comprising a brake disc assembly, the brake disc assembly being as described above.

According to the technical scheme, the friction ring is provided with the mounting hole and the connecting hole, the disc cap is mounted in the mounting hole, the periphery of the disc cap is provided with the notch, the first connecting piece is mounted at the notch, and the first plate body and the second plate body are respectively located on two sides of the notch. The spliced pole is inserted in the connecting hole, is provided with the screw hole in the spliced pole, is connected with the screw hole through the fastener for the friction ring is together fixed with the dish cap is fixed effectively, and such connected mode is simple high-efficient. And, because first plate body shutoff screw hole, the screw hole is the blind hole promptly, can prevent effectively like this that other impurity from entering into in the screw hole, can improve the holistic sealing performance of brake disc subassembly like this effectively, consequently the technical scheme of this application has solved the poor problem of sealing performance among the correlation technique effectively. Simultaneously, the technical scheme of this application simple structure, and then can reduce the degree of difficulty of processing and assembly effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic perspective view of an embodiment of a brake disc assembly according to the present invention;

FIG. 2 shows an exploded schematic view of the brake disc assembly of FIG. 1;

FIG. 3 shows a schematic cross-sectional view of the brake disc assembly of FIG. 1;

FIG. 4 shows a close-up view of the brake disc assembly of FIG. 3;

FIG. 5 is a schematic view showing an assembled structure of first and second coupling members of the brake disc assembly of FIG. 1;

FIG. 6 shows a schematic top view of the first connector of FIG. 5;

FIG. 7 shows an exploded view of the first and second connectors of FIG. 5; and

fig. 8 shows a perspective view of the second connector of fig. 5.

Wherein the figures include the following reference numerals:

10. a friction ring; 11. mounting holes; 12. connecting holes; 13. a weight reduction section; 20. a dish cap; 21. a notch; 22. a second recess; 30. a first connecting member; 31. a first plate body; 32. a second plate body; 33. connecting columns; 331. a threaded hole; 40. a second connecting member; 41. a bending plate; 411. a first stage; 412. a second stage; 413. a third stage; 414. a fourth stage; 415. a fifth stage; 42. a first recess; 43. a first folded edge; 44. a second folded edge; 45. thirdly, folding; 46. and fourthly, folding the edge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 4, in the present embodiment, the brake disc assembly includes: friction ring 10, disc cap 20 and first connector 30. The friction ring 10 is provided with a mounting hole 11 and a plurality of connecting holes 12, and the plurality of connecting holes 12 are arranged around the periphery of the mounting hole 11. The tray cap 20 is installed in the installation hole 11, and a notch 21 is arranged on the side edge of the tray cap 20. The first connecting piece 30 includes the first plate body 31 and the second plate body 32 that the interval set up and the spliced pole 33 of being connected with first plate body 31 and second plate body 32, and first connecting piece 30 is installed in breach 21 department, and first plate body 31 is located the first side a1 of breach 21, and the second plate body 32 is located the second side a2 of breach 21, and spliced pole 33 is located breach 21, is provided with screw hole 331 in the spliced pole 33. The first plate 31 closes the threaded hole 331.

By applying the technical solution of the embodiment, the friction ring 10 has the mounting hole 11 and the connection hole 12, the disc cap 20 is installed in the mounting hole 11, the circumferential direction of the disc cap 20 is provided with the notch 21, the first connection member 30 is installed at the notch 21, and the first plate 31 and the second plate 32 are respectively located at two sides of the notch 21. The connecting column 33 is inserted into the connecting hole 12, the threaded hole 331 is formed in the connecting column 33, and the connecting column is connected with the threaded hole 331 through a fastener, so that the friction ring 10 and the disc cap 20 are effectively fixed together, and the connecting mode is simple and efficient. Moreover, the first plate body 31 blocks the threaded hole 331, namely, the threaded hole 331 is a blind hole, so that other impurities can be effectively prevented from entering the threaded hole 331, the overall sealing performance of the brake disc assembly can be effectively improved, and the problem of poor sealing performance in the related art is effectively solved by the technical scheme of the application. Simultaneously, the technical scheme of this application simple structure, and then can reduce the degree of difficulty of processing and assembly effectively.

As shown in fig. 2 to 7, in the present embodiment, the first plate 31 and the second plate 32 have the same length, and the thickness of the first plate 31 is greater than that of the second plate 32. The length of the first plate body 31 is the same as that of the second plate body 32, so that the processing is facilitated, meanwhile, the thickness of the first plate body 31 is larger than that of the second plate body 32, so that on one hand, the increase of the whole thickness of the disc cap 20 after the first connecting piece 30 is installed on the notch 21 can be prevented, and on the other hand, the connection strength between the disc cap 20 and the friction ring 10 can be ensured.

As shown in fig. 2 to 8, in the present embodiment, the brake disc assembly further includes a second connecting member 40, the second connecting member 40 includes a bending plate 41, a first recess 42 is formed on the bending plate 41, the first connecting member 30 is clamped in the first recess 42, the first plate 31 is located on a first side b1 of the bending plate 41, the second plate 32 is located on a second side b2 of the bending plate 41, the bending plate 41 includes a first segment 411, a second segment 412, a third segment 413, a fourth segment 414 and a fifth segment 415 which are sequentially arranged, the bending plate 41 is installed in the gap 21, and the first segment 411 and the fifth segment 415 are abutted against the side wall of the disc cap 20. The first recess 42 is provided to allow the first connecting member 30 to be engaged therein, so that the first connecting member 30 and the second connecting member 40 form a single assembly, which allows the first connecting member 30 and the second connecting member 40 to be connected more effectively. Meanwhile, the first section 411 and the fifth section 415 abut against the side wall of the tray cap 20, so that the connection between the first connecting piece 30 and the second connecting piece 40 and the tray cap 20 is stable. The second connecting member 40 is a metal spring. The entire second connecting member 40 is configured to transmit the braking torque of the friction ring 10 to the disc cap 20 and the axial force of the disc cap 20 to the friction ring 10.

When the vehicle is braked, the brake disc assembly generates braking torque, the braking torque is transmitted to the second connecting piece 40 through the first connecting piece 30, then the braking torque is transmitted to the disc cap 20 through the second connecting piece 40, and the disc cap 20 is connected with a driving shaft or a driven shaft through a hub, so that the vehicle speed is reduced. Because the connecting area of the first connecting piece 30 and the disc cap 20 is in clearance fit, the elasticity of the second connecting piece 40 is used for compensating the clearance, and the noise generated between the first connecting piece 30 and the disc cap 20 when the brake is applied to the uneven road such as gravel road and the like can be prevented; in addition, when braking, the friction ring can be expanded by heat generated by friction of the brake disc assembly, and the first connecting piece 30 can be further driven to move along the second connecting piece 40 because the diameter direction of the brake disc assembly is unconstrained; because the second connecting piece 40 has elasticity and generates pre-pressure after being assembled with the disc cap 20, the friction ring 10 can drive the first connecting piece 30 to move along the second connecting piece 40 when being heated and expanded, and the disc cap is prevented from being damaged under the condition of frequent acting force of the first connecting piece 30 and the disc cap 20 through repeated braking without the second connecting piece 40, so that the transmission of braking torque is further influenced. Therefore, the brake disc assembly of the technical scheme of the embodiment has a simple structure, the friction ring 10 can move radially, the deformation of the friction ring is reduced, the brake shake is prevented, the whole assembly process is simple, the number of parts is small, the production cost is reduced, and meanwhile, the source of process deterioration is reduced.

As shown in fig. 8, in the present embodiment, the first segment 411, the third segment 413 and the fifth segment 415 are arranged in parallel, the second segment 412 and the fourth segment 414 are arranged in parallel, and the second segment 412 is perpendicular to the third segment 413. The above arrangement enables the bent plate 41 to be better fitted with the first coupling members 30 and the notches 21.

As shown in fig. 8, in the present embodiment, the second connecting member 40 further includes a first folding edge 43, a second folding edge 44, a third folding edge 45 and a fourth folding edge 46, the first folding edge 43 and the second folding edge 44 are both connected to the first section 411, the third folding edge 45 and the fourth folding edge 46 are both connected to the fifth section 415, the first folding edge 43, the second folding edge 44, the third folding edge 45 and the fourth folding edge 46 all extend toward the third section 413, and the first folding edge 43, the second folding edge 44, the third folding edge 45 and the fourth folding edge 46 are all in limit fit with the tray cap 20.

As shown in fig. 8, in the present embodiment, the first folding edge 43 and the second folding edge 44 are arranged in parallel, and the third folding edge 45 and the fourth folding edge 46 are arranged in parallel. The first, second, third and fourth flaps 43, 44, 45, 46 can be engaged with both sides of the tray cover to stabilize the position of the second connector 40.

As shown in fig. 8, in the present embodiment, the sheet-shaped bending plate 41 occupies a small space on the premise of satisfying the connection strength of the first folding edge 43, the second folding edge 44, the third folding edge 45 and the fourth folding edge 46, is convenient to install in the notch 21 of the tray cap 20, is convenient and fast to install, and improves the installation stability of the second connecting member 40. The sheet shape, the net shape and the strip shape can reduce the space and realize the purpose of reducing weight; the columnar, rectangular parallelepiped or curved structure can be used in a structure that is not critical to space but has a high requirement for the strength of the bent plate 41. The first, second, third and fourth folded edges 43, 44, 45, 46 are all curved structures, which can increase the elasticity of the first, second, third and fourth folded edges 43, 44, 45, 46.

In embodiments not shown in the figures, the first, second, third and fourth folds are all straight structures, or the first, second, third and fourth folds are a combination of curved and straight structures.

As shown in fig. 2, in the present embodiment, a plurality of second recesses 22 are provided on the side wall of the tray cap 20, the plurality of second recesses 22 are located on both sides of the notch 21, and the first section 411 and the fifth section 415 are located in the second recesses 22. The arrangement can reduce the space occupied by the second connecting piece 40, prevent the second connecting piece 40 from protruding out of the tray cap 20, and further prevent the tray cap 20 from interfering when being installed in the installation hole 11.

As shown in fig. 1 to 3, in the present embodiment, both the first side and the second side of the outer periphery of the tray cap 20 are flat. The above-mentioned plane can be well matched with the first folding edge 43, the second folding edge 44, the third folding edge 45 and the fourth folding edge 46.

As shown in fig. 2, in the present embodiment, the friction ring 10 is further provided with a weight-reduced portion 13, and the weight-reduced portion 13 is provided in the circumferential direction of the mounting hole 11. The weight reduction part 13 can effectively reduce the overall weight of the brake disc assembly, and further effectively realize light weight design.

As shown in fig. 1 to 8, in the technical solution of the present embodiment, the first connecting member 30 and the second connecting member 40 are installed between the disc cap 20 and the friction ring 10, and the fastening member is inserted into the threaded hole 331, so that the connection and locking of the friction ring 10 and the disc cap 20 can be realized. The fastener is a fastening bolt.

As shown in fig. 1 to 8, in this embodiment, a plurality of notches 21 for mounting the second connecting member 40 are uniformly distributed on the outer edge of the visor of the disc cap 20 along the circumferential direction, a mounting hole 11 for mounting the disc cap 20 is provided inside the friction ring 10, connecting holes 12 matched with the notches 21 are uniformly distributed on the mounting hole 11, the bottom of the connecting column 33 is inserted into the connecting hole 12, and the friction ring 10 and the disc cap 20 are connected by a fastener inserted into the connecting column 33. The brake disc assembly has the advantages that the first connecting piece 30 and the second connecting piece 40 are simple in structure and small in number of parts, the brake disc assembly is simpler to assemble due to the design of the mounting holes 11 and the notches 21, and the source of process variation is reduced.

As shown in fig. 3, in this embodiment, the friction ring 10 includes an upper friction ring and a lower friction ring, a connecting rib is disposed between the upper friction ring and the lower friction ring, the mounting hole 11 is disposed inside the upper friction ring 10, a mounting space is left between the mounting hole 11 and the lower friction ring for a fastener, and the fastener is inserted into the threaded hole 331 from the direction of the lower friction ring, so that the fastener is conveniently mounted, and the assembly is convenient and fast.

The assembly process of the technical scheme of the embodiment is as follows:

firstly, the second connecting piece 40 and the disc cap 20 are assembled together, the second connecting piece 40 is in interference fit with the disc cap 20, the bending plate 41 of the second connecting piece 40 is tightly attached to the inside of the notch 21, four folding edges of the second connecting piece 40 are correspondingly clamped and connected with the upper surface and the lower surface of two sides of the notch 21 respectively, and the second connecting piece 40 has certain elasticity and has pre-pressure on the contact part with the disc cap 20, so that the second connecting piece 40 can be prevented from falling off; then the first connecting piece 30 is assembled on the second connecting piece 40 along the direction of the first concave part 42, the first connecting piece 30 is in interference fit with the second connecting piece 40, the first plate 31 and the second plate 32 of the first connecting piece 30 are correspondingly installed with the first concave part 42 of the second connecting piece 40, the first plate 31 of the first connecting piece 30 is arranged on the first side of the disc cap 20, the second plate 32 is arranged between the disc cap 20 and the friction ring 10, and the first connecting piece 30 is assembled with the second connecting piece 40 together, and the first connecting piece 30 and the second connecting piece 40 cannot fall off after being matched due to the fact that pre-pressure is applied to the top of the second connecting piece 40; because the bending plate 41 of the second connecting piece 40 is tightly attached to the inside of the notch 21 to play a role in limiting and positioning, the connecting column 33 at the bottom of the first connecting piece 30 is matched with the mounting hole 11 on the friction ring 10; then the fastener is installed, and the assembly is completed.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A brake disc assembly, comprising:

the friction ring (10) is provided with a mounting hole (11) and a plurality of connecting holes (12), and the connecting holes (12) are arranged on the periphery of the mounting hole (11) in a surrounding manner;

the tray cap (20) is installed in the installation hole (11), and a notch (21) is formed in the side edge of the tray cap (20);

the first connecting piece (30) comprises a first plate body (31) and a second plate body (32) which are arranged at intervals and a connecting column (33) connected with the first plate body (31) and the second plate body (32), the first connecting piece (30) is installed at the notch (21), the first plate body (31) is located on a first side (a1) of the notch (21), the second plate body (32) is located on a second side (a2) of the notch (21), the connecting column (33) is located in the notch (21), and a threaded hole (331) is formed in the connecting column (33);

wherein the first plate body (31) blocks the threaded hole (331).

2. Brake disc assembly according to claim 1, characterized in that the first plate body (31) and the second plate body (32) are of the same length, the thickness of the first plate body (31) being greater than the thickness of the second plate body (32).

3. Brake disc assembly according to claim 1, wherein the brake disc assembly further comprises a second attachment piece (40), the second connecting member (40) includes a bending plate (41), a first recess (42) is formed on the bending plate (41), the first connecting piece (30) is clamped in the first concave part (42), the first plate body (31) is positioned on the first side (b1) of the bending plate (41), the second plate (32) is located on a second side (b2) of the bending plate (41), the bending plate (41) comprises a first section (411), a second section (412), a third section (413), a fourth section (414) and a fifth section (415) which are arranged in sequence, the bending plate (41) is arranged in the notch (21), and the first section (411) and the fifth section (415) are abutted with the side wall of the disc cap (20).

4. A brake disc assembly according to claim 3, wherein the first (411), third (413) and fifth (415) sections are arranged in parallel, the second (412) and fourth (414) sections are arranged in parallel, and the second section (412) is perpendicular to the third section (413).

5. A brake disc assembly according to claim 3, wherein the second connector (40) further comprises a first flap (43), a second flap (44), a third flap (45) and a fourth flap (46), the first flap (43) and the second flap (44) each being connected to the first section (411), the third flap (45) and the fourth flap (46) each being connected to the fifth section (415), the first flap (43), the second flap (44), the third flap (45) and the fourth flap (46) each extending towards the third section (413), the first flap (43), the second flap (44), the third flap (45) and the fourth flap (46) each being in positive engagement with the disc cap (20).

6. A brake disc assembly according to claim 5, wherein the first and second flaps (43, 44) are arranged in parallel and the third and fourth flaps (45, 46) are arranged in parallel.

7. Brake disc assembly according to claim 5, wherein the bending plate (41) is sheet-like, web-like, strip-like, cylindrical, cuboid or curved, and the first (43), second (44), third (45) and fourth (46) folds are all curved or straight.

8. A brake disc assembly according to claim 3, characterised in that a plurality of second recesses (22) are provided in the side walls of the disc cap (20), a plurality of said second recesses (22) being located on either side of the gap (21), the first and fifth segments (411, 415) each being located within the second recesses (22).

9. Brake disc assembly according to any of claims 1 to 8, characterized in that the first and second sides of the periphery of the disc cap (20) are both plane.

10. Brake disc assembly according to any of claims 1 to 8, characterized in that the friction ring (10) is further provided with lightening portions (13), the lightening portions (13) being provided in the circumferential direction of the mounting holes (11).

11. A vehicle comprising a brake disc assembly, wherein the brake disc assembly is as claimed in any one of claims 1 to 10.

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