CN204200918U - Brake disc and vehicle - Google Patents

Brake disc and vehicle Download PDF

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Publication number
CN204200918U
CN204200918U CN201420495024.4U CN201420495024U CN204200918U CN 204200918 U CN204200918 U CN 204200918U CN 201420495024 U CN201420495024 U CN 201420495024U CN 204200918 U CN204200918 U CN 204200918U
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CN
China
Prior art keywords
brake disc
friction sheet
cap portion
card
inboard
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CN201420495024.4U
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Chinese (zh)
Inventor
卢毅
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201420495024.4U priority Critical patent/CN204200918U/en
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Abstract

The utility model discloses a kind of brake disc and vehicle, this brake disc comprises the outboard friction sheet of inboard friction sheet that card is oppositely arranged and annular, this inboard friction sheet is connected by multiple radiating piece with the relative card of outboard friction sheet, the center region of described inboard friction sheet has towards the outstanding brake disc cap portion of described outboard friction sheet, this brake disc cap portion is through the hollow via-hole of described outboard friction sheet, and described inboard friction sheet has the brake disc running through described brake disc Mao Bu center and through hole is installed, described multiple radiating piece along described brake disc circumferentially and be formed with heat dissipation channel between adjacent described radiating piece, it is characterized in that, the outer circumferential face in described brake disc cap portion and described inboard friction sheet towards described outboard friction sheet card between binding site be connected with along the circumference in described brake disc cap portion multiple heat radiation stiffening ribs spaced apart.Brake disc of the present utility model can improve rigidity and the heat dispersion of brake disc neck simultaneously.

Description

Brake disc and vehicle
Technical field
The utility model relates to vehicular field, particularly, relates to a kind of brake disc and vehicle.
Background technique
By operation brake petal, the break generation be fixed on wheel is rubbed and realization braking at vehicle deceleration or when stopping, wherein, the piston that the disk type braker that break generally adopts is promoted on brake caliper by hydraulic oil makes friction pad and brake disc, thus by the phase mutual friction of friction pad and brake disc make vehicle energy to be converted in brake disc can and realize braking.At this, brake disc makes cross-ventilation by the multiple ventilation flues be arranged between two friction plates along the radial direction in brake disc cap portion, thus realizes the heat radiation of brake disc.But part (neck hereinafter referred to as the brake disc) rigidity be connected with brake disc cap portion due to brake disc and deficiency of dispelling the heat, and raise with the portion temperature that brake disc is connected with brake disc cap portion and cause temperature distortion, thus cause brake disc heat fade, heat shake, stopping distance is increased, has a strong impact on service brake safety.
Therefore, need to provide a kind of brake disc of the rigidity and heat dispersion that can simultaneously improve brake disc neck to be the problem needing in prior art to solve.
Model utility content
Technical problem to be solved in the utility model is to provide and a kind ofly can improves the rigidity of brake disc neck and the brake disc of heat dispersion simultaneously.
In order to achieve the above object, according to an aspect of the present utility model, the utility model provides a kind of brake disc, this brake disc comprises the outboard friction sheet of inboard friction sheet that card is oppositely arranged and annular, this inboard friction sheet is connected by multiple radiating piece with the relative card of outboard friction sheet, the center region of described inboard friction sheet has towards the outstanding brake disc cap portion of described outboard friction sheet, this brake disc cap portion is through the hollow via-hole of described outboard friction sheet, and described inboard friction sheet has the brake disc running through described brake disc Mao Bu center and through hole is installed, described multiple radiating piece along described brake disc circumferentially and be formed with heat dissipation channel between adjacent described radiating piece, the outer circumferential face in described brake disc cap portion and described inboard friction sheet towards described outboard friction sheet card between binding site be connected with along the circumference in described brake disc cap portion multiple heat radiation stiffening ribs spaced apart.
Preferably, described multiple heat radiation stiffening rib is uniformly distributed along the circumference in described brake disc cap portion to set interval.
Preferably, stiffening rib is dispelled the heat described in each respectively along the radial arrangement of described brake disc; Or the stiffening rib that dispels the heat described in each has angle with the radial direction of described brake disc separately.
Selectively, described heat radiation stiffening rib is triangular reinforcing plate.
Specifically selectively, two limits of described triangular reinforcing plate respectively with the outer circumferential face in described brake disc cap portion and described inboard friction sheet towards described outboard friction sheet card between binding site be connected, and the angle of the card of the Article 3 limit of this triangular reinforcing plate and described inboard friction sheet is 50 °-80 °.
Also selectively, the biside plate face of described triangular reinforcing plate is formed as the plane of inclination with pattern draft.
In addition, preferably, between the inner peripheral surface of the outer circumferential face in described brake disc cap portion and the described hollow via-hole of described outboard friction sheet, there is interval.
Preferably, the end face in described brake disc cap portion is formed with lightening hole and bolt mounting holes.
In addition, according to another aspect of the present utility model, the utility model also provides a kind of vehicle, and this vehicle comprises wheel and disk type braker, and this disk type braker comprises brake disc as above.
Preferably, the brake disc of described brake disc is installed through hole and is set in the wheel hub hollow flange of the hub centre of described wheel, and described brake disc cap portion is fixed on described wheel hub.
Brake disc of the present utility model is connected along the circumference in brake disc cap portion multiple heat radiation stiffening ribs spaced apart by the outer circumferential face in brake disc cap portion with the binding site of inboard friction sheet, thus the rigidity of brake disc neck can not only be improved, but also the cross-ventilation that air can be made to accelerate to flow into heat dissipation channel from the outer circumferential face in brake disc cap portion and accelerate heat dissipation channel, thus improve the heat dispersion of brake disc.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the brake disc of the utility model embodiment.
Fig. 2 is the partial enlarged drawing of I part in Fig. 1.
Fig. 3 is the side view of the brake disc of the utility model embodiment.
Fig. 4 is the partial enlarged drawing of II part in Fig. 3.
Fig. 5 and Fig. 6 is the axial rigidity of CAE stiffness analysis and the figure of radial rigidity that show common brake disc respectively.
Fig. 7 and Fig. 8 is the axial rigidity of CAE stiffness analysis and the figure of radial rigidity of the brake disc showing the utility model embodiment respectively.
Fig. 9 and Figure 10 shows the thermoanalytical wind speed of CAE of common brake disc and the figure of coefficient of heat transfer respectively.
Figure 11 and Figure 12 is the thermoanalytical wind speed of CAE of the brake disc showing the utility model embodiment respectively and the figure of coefficient of heat transfer.
Description of reference numerals
1 inboard friction sheet 2 radiating piece
3 outboard friction sheet 4 brake disc cap portions
5 heat dissipation channels 6 dispel the heat stiffening rib
7 bolt mounting holes 8 brake discs install through hole
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail; should be understood that; embodiment described herein is only for instruction and explanation of the utility model, and protection domain of the present utility model is not limited to following embodiment.
As shown in Figures 1 to 4, according to an aspect of the present utility model, the utility model provides a kind of brake disc, this brake disc comprises the outboard friction sheet 3 of inboard friction sheet 1 that card is oppositely arranged and annular, this inboard friction sheet 1 is connected by multiple radiating piece 2 with the relative card of outboard friction sheet 3, the center region of inboard friction sheet 1 has the brake disc cap portion 4 that friction plate 3 is outstanding toward the outer side, this brake disc cap portion 4 is through the hollow via-hole of outboard friction sheet 3, and inboard friction sheet 1 has the brake disc running through center, brake disc cap portion 4 and through hole 8 is installed, multiple radiating piece 2 along brake disc circumferentially and be formed with heat dissipation channel 5 between adjacent radiating piece 2, binding site between the card of the outer circumferential face in brake disc cap portion 4 and the friction plate toward the outer side 3 of inboard friction sheet 1 is connected with along the circumference in brake disc cap portion 4 multiple heat radiation stiffening ribs 6 spaced apart.
Wherein, brake disc is arranged in the wheel hub of wheel by brake disc installation through hole 8 and rotates together with wheel hub, when disc rotation, because the binding site between the outer circumferential face in brake disc cap portion 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1 is connected along the circumference in brake disc cap portion 4 multiple heat radiation stiffening ribs 6 spaced apart, the heat diffusion area of the binding site of brake disc cap portion 4 and inboard friction sheet 1 and thermal capacity are increased, and air in disc rotation process in heat dissipation channel 5 produces the peripheral direction flowing of centrifugal motion and friction plate 1 and outboard friction sheet 3 to the inside, air is made to enter into the heat dissipation channel 5 between outboard friction sheet 3 and inboard friction sheet 1 from the outer circumferential face in brake disc cap portion 4 fast by the flow-disturbing effect of multiple heat radiation stiffening rib 6 and externally flow out, thus the cross-ventilation can accelerated in heat dissipation channel 5, improve the heat dispersion of brake disc.In addition, by the binding site between the outer circumferential face in brake disc cap portion 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1, multiple heat radiation stiffening rib 6 is set, brake disc cap portion 4 is improved with the rigidity of the binding site of inboard friction sheet 1, thus reduces the phenomenon that the temperature distortion of brake disc neck occurs.
Preferably, as shown in Figure 1, multiple heat radiation stiffening rib 6 is uniformly distributed along the circumference in brake disc cap portion 4 to set interval, so that air can be made in disc rotation process to enter into heat dissipation channel 5 equably by multiple heat radiation stiffening rib 6, the air in heat dissipation channel 5 is made to produce convection current and dispel the heat equably to brake disc.
Preferably, each heat radiation stiffening rib 6 is respectively along the radial arrangement of brake disc; Or each heat radiation stiffening rib 6 radial direction that is respective and brake disc has angle.By each heat radiation stiffening rib 6 is set to respectively along brake disc radial arrangement or separately and the radial direction of brake disc there is angle, thus can lead from the outer circumferential face in brake disc cap portion 4 flow into heat radiation stiffening rib 6 air, make air enter into heat dissipation channel 5 fast and externally flow out, thus brake disc is dispelled the heat fast.
Selectively, as depicted in figs. 1 and 2, the stiffening rib 6 that dispels the heat is triangular reinforcing plate.Because the installation space binding site between the outer circumferential face in brake disc cap portion 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1 being arranged the stiffening rib 6 that dispels the heat is limited, by heat radiation stiffening rib 6 is formed as triangular reinforcing plate, can not only space be saved, and play the effect of flow-disturbing when not affecting the air mass flow flowing into heat dissipation channel 5.
Specifically selectively, two limits of triangular reinforcing plate are connected with the binding site between the outer circumferential face in brake disc cap portion 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1 respectively, and the angle of the card of the Article 3 limit of this triangular reinforcing plate and inboard friction sheet 1 is 50 °-80 °.As shown in Figure 3 and Figure 4, wherein, the angle of the Article 3 limit of triangular reinforcing plate and the card of inboard friction sheet 1 is set to 50 °-80 °, the intensity of the binding site (brake disc neck) between the card effectively can not only strengthening the outer circumferential face in brake disc cap portion 4 and the friction plate toward the outer side 3 of inboard friction sheet 1, but also effectively can play the effect of flow-disturbing, enable air flow into heat dissipation channel 5 rapidly and outwards flow out.
Preferably, the biside plate face of triangular reinforcing plate is formed as the plane of inclination with pattern draft, the binding site between the outer circumferential face in brake disc cap portion 4 of brake disc and the card of the friction plate toward the outer side 3 of inboard friction sheet 1 can be convenient to withdrawing pattern triangular reinforcing plate, and the effect of flow-disturbing can also be played in the plane of inclination of triangular reinforcing plate.But the utility model is not limited thereto, the biside plate face of triangular reinforcing plate can be formed as other a kind of structures, the biside plate face of such as triangular reinforcing plate be formed as respectively with the 3rd lateral vertical.
Preferably, between the inner peripheral surface of the outer circumferential face in brake disc cap portion 4 and the hollow via-hole of outboard friction sheet 3, there is interval.By structure described above, in disc rotation process, sufficient air is made to contact by the gap between the outer circumferential face in brake disc cap portion 4 and the inner peripheral surface of the hollow via-hole of outboard friction sheet 3 with heat radiation stiffening rib 6 and fully be dispelled the heat by the binding site between the outer circumferential face in heat dissipation channel 5 pairs of brake disc cap portions 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1.
Preferably, as shown in Figure 1, the end face in brake disc cap portion 4 is formed with lightening hole and bolt mounting holes 7.This lightening hole also has the effect of dispelling the heat to the end face in brake disc cap portion 4 while can alleviating the weight of brake disc.In addition, by the bolt mounting holes 7 of the end face being formed in brake disc cap portion 4, brake disc is fixed on the wheel hub of wheel, thus brake disc can be made to rotate together with wheel hub.
In addition, according to another aspect of the present utility model, the utility model also provides a kind of vehicle, and this vehicle comprises wheel and disk type braker, and this disk type braker comprises brake disc as above.At this, the brake disc of disk type braker is fixed on wheel by bolt mounting holes 7 and rotates together with wheel.
Preferably, the brake disc of brake disc is installed through hole 8 and is set in the wheel hub hollow flange of the hub centre of wheel, and brake disc cap portion 4 is fixed on wheel hub.Wherein, with to wheel hub transferring power in the wheel hub hollow flange that the semiaxis of vehicle drive axle is arranged on hub for vehicle wheel, the brake disc of brake disc is installed through hole 8 and is set on hub centre flange, and the brake disc cap portion 4 of brake disc is fixed on wheel hub by bolt mounting holes 7 and rotates together with wheel hub.When wheel braking, clamp the inboard friction sheet 1 of brake disc and outboard friction sheet 3 by the brake caliper be arranged in vehicle bridge and make to produce between brake caliper and brake disc Relative friction, thus completing braking.At this, air enters into heat dissipation channel 5 from the outer circumferential face in brake disc cap portion 4 fast by the guiding of heat radiation stiffening rib 6, and in heat dissipation channel 5, produces cross-ventilation and externally flow out, thus improves the heat dispersion of brake disc.At this, heat radiation stiffening rib 6 can also improve the intensity of the binding site (i.e. brake disc neck) between the card of the outer circumferential face in brake disc cap portion 4 and the friction plate toward the outer side 3 of inboard friction sheet 1, thus reduces the temperature distortion of brake disc neck.
As shown in Fig. 5 to Fig. 8, known by the stiffness analysis contrasting common brake disc (Fig. 5 and Fig. 6) and brake disc of the present utility model (Fig. 7 and Fig. 8), compared to common brake disc, of the present utility model arrange heat radiation stiffening rib 6 after the axial rigidity of brake disc neck and the compressive deformation amount of radial rigidity obviously decline, show that brake disc of the present utility model can improve the rigidity of brake disc neck thus, and then improve thermal distortion (warpage) ability of brake disc neck, thus the effect of improvement is played to the shake of braking heat and thermal distortion.
As shown in Fig. 9 to Figure 12, known by the thermal analyses contrasting common brake disc (Fig. 9 and Figure 10) and brake disc of the present utility model (Figure 11 and Figure 12), compared to common brake disc, of the present utility model the wind speed of brake disc after heat radiation stiffening rib 6 is set and convection transfer rate obviously promotes, can draw thus, brake disc of the present utility model arranges by the binding site between the outer circumferential face in brake disc cap portion 4 and the card of the friction plate toward the outer side 3 of inboard friction sheet 1 stiffening rib 6 that dispels the heat, the speed that air enters heat dissipation channel 5 can be improved, accelerate the cross-ventilation of heat dissipation channel 5 and improve the thermolysis of brake disc.
As mentioned above, brake disc of the present utility model is connected along the circumference in brake disc cap portion 4 multiple heat radiation stiffening ribs 6 spaced apart by the outer circumferential face in brake disc cap portion 4 with the binding site of inboard friction sheet 1, the rigidity of brake disc neck can not only be improved and reduce the temperature distortion of brake disc neck, but also flow-disturbing effect can be played, air is made to flow into heat dissipation channel 5 from the outer circumferential face quickening in brake disc cap portion 4 and accelerate the cross-ventilation of heat dissipation channel 5, and the heat diffusion area of the binding site between the card of the outer circumferential face in brake disc cap portion 4 and the friction plate toward the outer side 3 of inboard friction sheet 1 and thermal capacity are increased, thus the heat dispersion of brake disc can be improved.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a brake disc, this brake disc comprises the outboard friction sheet (3) of inboard friction sheet (1) that card is oppositely arranged and annular, this inboard friction sheet (1) is connected by multiple radiating piece (2) with the relative card of outboard friction sheet (3), the center region of described inboard friction sheet (1) has towards the outstanding brake disc cap portion (4) of described outboard friction sheet (3), this brake disc cap portion (4) is through the hollow via-hole of described outboard friction sheet (3), and described inboard friction sheet (1) has the brake disc running through described brake disc cap portion (4) center and through hole (8) is installed, described multiple radiating piece (2) along described brake disc circumferentially and be formed with heat dissipation channel (5) between adjacent described radiating piece (2), it is characterized in that, the outer circumferential face of described brake disc cap portion (4) and described inboard friction sheet (1) towards described outboard friction sheet (3) card between binding site be connected with along the circumference of described brake disc cap portion (4) multiple heat radiation stiffening ribs (6) spaced apart.
2. brake disc according to claim 1, is characterized in that, described multiple heat radiation stiffening rib (6) is uniformly distributed along the circumference of described brake disc cap portion (4) to set interval.
3. brake disc according to claim 1, is characterized in that, the stiffening rib that dispels the heat described in each (6) is respectively along the radial arrangement of described brake disc; Or the stiffening rib (6) that dispels the heat described in each has angle with the radial direction of described brake disc separately.
4. brake disc according to claim 1, is characterized in that, described heat radiation stiffening rib (6) is triangular reinforcing plate.
5. brake disc according to claim 4, it is characterized in that, two limits of described triangular reinforcing plate respectively with the outer circumferential face of described brake disc cap portion (4) and described inboard friction sheet (1) towards described outboard friction sheet (3) card between binding site be connected, and the angle of the card of the Article 3 limit of this triangular reinforcing plate and described inboard friction sheet (1) is 50 °-80 °.
6. brake disc according to claim 5, is characterized in that, the biside plate face of described triangular reinforcing plate is formed as the plane of inclination with pattern draft.
7. brake disc according to claim 1, is characterized in that, has interval between the inner peripheral surface of the outer circumferential face of described brake disc cap portion (4) and the described hollow via-hole of described outboard friction sheet (3).
8. the brake disc according to any one of claim 1-7, is characterized in that, the end face of described brake disc cap portion (4) is formed with lightening hole and bolt mounting holes (7).
9. a vehicle, this vehicle comprises wheel and disk type braker, it is characterized in that, this disk type braker comprises the brake disc according to any one of claim 1-8.
10. vehicle according to claim 9, it is characterized in that, the brake disc of described brake disc is installed through hole (8) and is set in the wheel hub hollow flange of the hub centre of described wheel, and described brake disc cap portion (4) is fixed on described wheel hub.
CN201420495024.4U 2014-08-29 2014-08-29 Brake disc and vehicle Active CN204200918U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361302A (en) * 2018-01-10 2018-08-03 吉利汽车研究院(宁波)有限公司 A kind of separate ventilation brake disc and its processing technology
CN109681551A (en) * 2018-11-23 2019-04-26 中南大学 A kind of light-weighted titanium syncephalon of high-performance use for brake system and preparation method thereof
CN111173861A (en) * 2018-11-12 2020-05-19 至兴精机股份有限公司 Single-piece type dish
CN113777489A (en) * 2021-11-12 2021-12-10 苏州英特模汽车科技有限公司 New forms of energy motor load test system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361302A (en) * 2018-01-10 2018-08-03 吉利汽车研究院(宁波)有限公司 A kind of separate ventilation brake disc and its processing technology
CN111173861A (en) * 2018-11-12 2020-05-19 至兴精机股份有限公司 Single-piece type dish
CN109681551A (en) * 2018-11-23 2019-04-26 中南大学 A kind of light-weighted titanium syncephalon of high-performance use for brake system and preparation method thereof
CN113777489A (en) * 2021-11-12 2021-12-10 苏州英特模汽车科技有限公司 New forms of energy motor load test system

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