CN102966689B - Automotive brake disc - Google Patents
Automotive brake disc Download PDFInfo
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- CN102966689B CN102966689B CN201210577400.XA CN201210577400A CN102966689B CN 102966689 B CN102966689 B CN 102966689B CN 201210577400 A CN201210577400 A CN 201210577400A CN 102966689 B CN102966689 B CN 102966689B
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- Prior art keywords
- mounting flange
- friction
- friction disk
- brake disc
- disk
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Abstract
The present invention relates to a kind of automotive brake disc, comprise friction disk and mounting flange, described friction disk is circle structure, its inner circumference is provided with multiple U-type groove, the excircle of mounting flange is provided with the projection corresponding with U-type groove, and projection is fixed in U-type groove, thus mounting flange and friction disk is fixed, be provided with gap between the outer peripheral surface of mounting flange and the inner peripheral surface of friction disk, the inner circumference of mounting flange is provided with groove.It arranges mounting flange on the inner circumference of friction disk, preset clearance between friction disk and mounting flange, the inner circumference of mounting flange arranges groove, gap and groove form radiating groove, brake disc there will not be umbrella to be out of shape when concrete use, fricative heat is dispelled the heat by the preset clearance between friction disk inner circumference and mounting flange excircle and the groove on mounting flange inner circumference, heat is effectively avoided to be delivered to bearing and oil sealing, bearing and oil sealing is avoided to damage, for the safe and stable operation of automobile is given security.
Description
technical field:
Automobile brake technical field of the present invention, is specifically related to a kind of automotive brake disc.
background technique:
Automotive brake is the critical component of automotive safety stable operation, at present, flourish along with Domestic Automotive Industry, disk type braker substitutes traditional drum brake gradually, with drum brake ratio, disk type braker is lightweight, reaction is fast, heat fade, water fade is little, the advantages such as insensitivity is good, disk type braker is by brake calipers, brake disc and friction plate are formed, conventional brake disc mainly contains carnival hat type brake disc, dumbbell shape brake disc and circular shape brake disc, three kinds of brake discs form by HT200 or HT250 cast inblock, be illustrated in figure 1 carnival hat type brake disc, be illustrated in figure 2 dumbbell shape brake disc, be illustrated in figure 3 circular shape brake disc.
As everyone knows, the process of automobile brake, actual is potential energy, kinetic transformation is the process of heat energy, and the heat major part produced is braked drum or brake disc absorbs, and the temperature of brake drum or brake disc can raise.Same vehicle assembles different breaks, and under equal brake condition, because brake disc is lightweight compared with brake drum, thermal capacity is little, and temperature rise is large compared with brake drum.
Fig. 1, the type brake disc of carnival hat shown in Fig. 2 and dumbbell shape brake disc, comprise upper and lower two rubbing surfaces, wherein go up rubbing surface and mounting flange 2 is structure as a whole, therefore, even if the heat of two rubbing surface generations is close, due to upper rubbing surface and mounting flange 2 one, therefore the heat going up rubbing surface generation can pass to mounting flange 2, lower rubbing surface then cannot transferring heat, therefore rubbing surface is descended to heat up higher than the intensification of upper rubbing surface, therefore Fig. 1, brake disc shown in Fig. 2 can produce umbrella distortion as shown in Figure 4 in actual use, thus affect the uniformity of wearing and tearing and the stability of automobile brake of upper and lower two rubbing surfaces.
The brake disc of circular shape shown in Fig. 3, upper and lower two rubbing surfaces all do not have other parts, and therefore its weight is lighter, and temperature rise can be higher, upper and lower two fricative heats of rubbing surface can only be delivered on the bearing of inner chamber, oil sealing by wheel hub, easily cause bearing, oil sealing to damage.
summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of automotive brake disc, it is ring brake disc, that mounting flange is set on the inner circumference of friction disk, preset clearance between the inner circumference of friction disk and the excircle of mounting flange, the inner circumference of mounting flange arranges groove, gap and groove form radiating groove, circular shape brake disc there will not be umbrella to be out of shape when concrete use, thus ensure that the even wear of two rubbing surfaces of friction disk, ensure the stability of automobile brake, fricative heat is dispelled the heat by the preset clearance between friction disk inner circumference and mounting flange excircle and the groove on mounting flange inner circumference simultaneously, heat is effectively avoided to be delivered to bearing and oil sealing, bearing and oil sealing is avoided to damage, thus give security for the safe and stable operation of automobile.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of automotive brake disc, wherein: comprise friction disk and mounting flange, described friction disk is circle structure, its inner circumference is provided with multiple U-type groove, the excircle of mounting flange is provided with the projection corresponding with U-type groove, and projection is fixed in U-type groove, thus mounting flange and friction disk is fixed, be provided with gap between the outer peripheral surface of mounting flange and the inner peripheral surface of friction disk, the inner circumference of mounting flange is provided with groove.
Technological scheme of the present invention can also be such: be provided with gap between the top of described projection and the inner bottom surface of U-type groove.
Technological scheme of the present invention can also be such: the projection on described mounting flange and the U-type groove on friction disk are fixed by second pouring.
Technological scheme of the present invention can also be such: described mounting flange is QT500-7 flange.
Technological scheme of the present invention can also be such: described friction disk is HT250 friction disk.
Technological scheme of the present invention can also be such: described friction disk comprises friction outer disk, friction inner disc, U-shaped post and attachment post, U-shaped post and attachment post are arranged between friction outer disk and friction inner disc, and friction inner disc is connected by multiple attachment post and multiple U-shaped post with friction outer disk, friction inner disc, friction outer disk and U-shaped post composition U-type groove.
Technological scheme of the present invention can also be such: described friction outer disk, friction inner disc, U-shaped post and attachment post integrally casting.
Technological scheme of the present invention can also be such: described attachment post is that cylinder is or/and square column.
Technological scheme of the present invention can also be such: the side of described mounting flange is provided with boss.
Beneficial effect of the present invention is:
1, the present invention is ring brake disc, that mounting flange is set on the inner circumference of friction disk, preset clearance between the inner circumference of friction disk and the excircle of mounting flange, the inner circumference of mounting flange arranges groove, gap and groove form radiating groove, circular shape brake disc there will not be umbrella to be out of shape when concrete use, thus ensure that the even wear of two rubbing surfaces of friction disk, ensure the stability of automobile brake, fricative heat is dispelled the heat by the preset clearance between friction disk inner circumference and mounting flange excircle and the groove on mounting flange inner circumference simultaneously, heat is effectively avoided to be delivered to bearing and oil sealing, bearing and oil sealing is avoided to damage, thus give security for the safe and stable operation of automobile.
2, between the top of the projection of mounting flange of the present invention and the inner bottom surface of U-type groove, gap is set, the change in shape deviation that this gap causes after effectively can making up friction disk and mounting flange expanded by heating.
3, mounting flange of the present invention adopts QT500-7 flange, QT500-7 material heat conduction efficiency is slow, friction disk of the present invention then adopts HT250 friction disk, HT250 material heat conduction efficiency is fast, the fricative heat of friction disk is delivered to mounting flange fast, the gap between mounting flange and friction disk, and the groove heat radiation on mounting flange inner circumference, effectively can evade heat by the transmission of mounting flange to wheel hub, bearing, oil sealing, extend the life-span of bearing, oil sealing.
4, friction disk of the present invention is formed by the inner disc that rubs, the casting of friction outer disk, attachment post and U-shaped post one, forms heat dissipation wind channel, can contribute to friction disk heat radiation, ensure the working life of friction disk between attachment post and attachment post.
5, structure of the present invention is simple, easy to use, safe and reliable, makes simple, is applicable to the requirement of mass production, brake system of car can be made more safe and reliable, ensure ride safety of automobile.
accompanying drawing illustrates:
Fig. 1 is the structural representation of carnival hat type brake disc in prior art;
Fig. 2 is the structural representation of dumbbell shape brake disc in prior art;
Fig. 3 is the structural representation of circular shape brake disc in prior art;
Fig. 4 is the generation umbrella distortion schematic diagram in prior art in carnival hat type brake disc and the using process of dumbbell shape brake disc;
Fig. 5 is structural representation of the present invention intention.
embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 5, a kind of automotive brake disc, comprise friction disk 1 and mounting flange 2, friction disk 1 is HT250 friction disk 1, mounting flange 2 is QT500-7 flange, described friction disk 1 is circle structure, and comprise the friction outer disk 5 of integrally casting, friction inner disc 6, U-shaped post 7 and attachment post 8, attachment post 8 is square column.U-shaped post 7 and attachment post 8 are arranged between friction outer disk 5 and friction inner disc 6, and friction inner disc 6 is connected by multiple attachment post 8 and multiple U-shaped post 7 with friction outer disk 5, friction inner disc 6, friction outer disk 5 and U-shaped post 7 form U-type groove 3, the excircle of mounting flange 2 is provided with the projection 4 corresponding with U-type groove 3, protruding 4 are fixed in U-type groove 3 by the mode of second pouring, thus mounting flange 2 and friction disk 1 are fixed, be provided with gap between the top of protruding 4 and the inner bottom surface of U-type groove 3.Be provided with gap between the outer peripheral surface of mounting flange 2 and the inner peripheral surface of friction disk 1, the inner circumference of mounting flange 2 be provided with groove 10, the side of mounting flange 2 is provided with boss 9, and boss 9 is in order to install gear ring.
When automobile brake, brake block and friction disk 1 rub and make automobile brake.A fricative heat part self is distributed by friction disk 1, another part passes to mounting flange 2, the groove 10 that gap between the excircle and the inner circumference of friction disk 1 of mounting flange 2 is distributed and mounting flange 2 inner circumference is arranged dispels the heat, mounting flange 2 adopts QT500-7 flange, QT500-7 material heat conduction efficiency is slow, friction disk 1 of the present invention then adopts HT250 friction disk 1, HT250 material heat conduction efficiency is fast, the fricative heat of friction disk 1 is delivered to mounting flange 2 fast, gap between mounting flange 2 and friction disk 1, and the groove 10 on mounting flange 2 inner circumference dispels the heat, effectively can evade heat by mounting flange 2 to wheel hub, bearing, the transmission of oil sealing, extend bearing, the life-span of oil sealing.
Form heat dissipation wind channel between the multiple attachment posts 8 arranged in friction disk 1, friction disk 1 self-radiating can be accelerated.
Be noted that, above-described embodiment is unrestricted to the explanation of technical solution of the present invention, the equivalent replacement of art those of ordinary skill or other amendment made according to prior art, as long as do not exceed thinking and the scope of technical solution of the present invention, all should be included within interest field of the presently claimed invention.
Claims (7)
1. an automotive brake disc, it is characterized in that: comprise friction disk (1) and mounting flange (2), described friction disk (1) is circle structure, its inner circumference is provided with multiple U-type groove (3), the excircle of mounting flange (2) is provided with the projection (4) corresponding with U-type groove (3), protruding (4) are fixed in U-type groove (3), thus mounting flange (2) and friction disk (1) are fixed, gap is provided with between the outer peripheral surface of mounting flange (2) and the inner peripheral surface of friction disk (1), the inner circumference of mounting flange (2) is provided with groove (10), described mounting flange (2) is QT500-7 flange, described friction disk (1) is HT250 friction disk.
2. automotive brake disc according to claim 1, is characterized in that: be provided with gap between the top of described projection (4) and the inner bottom surface of U-type groove (3).
3. automotive brake disc according to claim 1, is characterized in that: the projection (4) on described mounting flange (2) is fixed by second pouring with the U-type groove (3) on friction disk (1).
4. automotive brake disc according to claim 1, it is characterized in that: described friction disk (1) comprises friction outer disk (5), friction inner disc (6), U-shaped post (7) and attachment post (8), U-shaped post (7) and attachment post (8) are arranged between friction outer disk (5) and friction inner disc (6), and friction inner disc (6) is connected by multiple attachment post (8) and multiple U-shaped post (7) with friction outer disk (5), friction inner disc (6), friction outer disk (5) and U-shaped post (7) composition U-type groove (3).
5. automotive brake disc according to claim 4, is characterized in that: described friction outer disk (5), friction inner disc (6), U-shaped post (7) and attachment post (8) integrally casting.
6. automotive brake disc according to claim 5, is characterized in that: described attachment post (8) for cylinder or/and square column.
7. automotive brake disc according to claim 1, is characterized in that: the side of described mounting flange (2) is provided with boss (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577400.XA CN102966689B (en) | 2012-12-27 | 2012-12-27 | Automotive brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577400.XA CN102966689B (en) | 2012-12-27 | 2012-12-27 | Automotive brake disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966689A CN102966689A (en) | 2013-03-13 |
| CN102966689B true CN102966689B (en) | 2016-01-20 |
Family
ID=47797040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577400.XA Expired - Fee Related CN102966689B (en) | 2012-12-27 | 2012-12-27 | Automotive brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102966689B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696397A (en) * | 2015-04-02 | 2015-06-10 | 南京北交轨道交通新材料科技有限公司 | Reverse-warping-preventive structure railway vehicle shaft-mounted brake disc |
| CN105370772B (en) * | 2015-12-17 | 2017-09-29 | 北京交通大学 | A kind of connection of rail vehicle axle-mounted brake disk and hub |
| CN107387610B (en) * | 2017-07-12 | 2019-02-26 | 浙江工贸职业技术学院 | A kind of automotive brake disc |
| CN108407609A (en) * | 2018-05-14 | 2018-08-17 | 安徽安凯汽车股份有限公司 | A kind of independent suspension electric drive front steering axle |
| CN109130704A (en) * | 2018-07-23 | 2019-01-04 | 郑州智驱科技有限公司 | A kind of car center driven solely hangs electricity and drives bridge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1275871A2 (en) * | 2001-07-13 | 2003-01-15 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Brake disc protected from oxidation |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122456B1 (en) * | 2000-03-09 | 2001-08-16 | Freni Brembo S.p.A. | Ventilated disc for disk brake |
| WO2005038282A1 (en) * | 2003-10-22 | 2005-04-28 | Groupe Newtech International Inc. | Method of replacing the rotor disk of a disk brake assembly |
| US20050263358A1 (en) * | 2004-05-25 | 2005-12-01 | Zahdeh Akram R | Hatless brake rotor |
| JP4897693B2 (en) * | 2004-10-26 | 2012-03-14 | フレニ・ブレンボ エス・ピー・エー | Disc for disc brake |
| EP1863653B1 (en) * | 2005-04-01 | 2016-03-23 | Performance Friction Corporation | Direct drive braking system including an integrated package bearing |
| EP1907722B1 (en) * | 2005-07-22 | 2008-12-10 | Freni Brembo S.p.A. | A braking band of a self-ventilated brake disc for a disc brake |
| DE102007054393A1 (en) * | 2007-11-14 | 2009-05-20 | Robert Bosch Gmbh | brake disc |
| DE102008042165A1 (en) * | 2008-09-17 | 2010-03-25 | Robert Bosch Gmbh | brake disc |
| DE102008044339B4 (en) * | 2008-12-04 | 2012-01-26 | Saf-Holland Gmbh | Brake disc arrangement for disc brakes |
| CN203130861U (en) * | 2012-12-27 | 2013-08-14 | 郑州精益达汽车零部件有限公司 | Automobile braking disc |
-
2012
- 2012-12-27 CN CN201210577400.XA patent/CN102966689B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1275871A2 (en) * | 2001-07-13 | 2003-01-15 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Brake disc protected from oxidation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102966689A (en) | 2013-03-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160120 Termination date: 20191227 |