CN102966689A - Brake disk for automobile - Google Patents

Brake disk for automobile Download PDF

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Publication number
CN102966689A
CN102966689A CN201210577400XA CN201210577400A CN102966689A CN 102966689 A CN102966689 A CN 102966689A CN 201210577400X A CN201210577400X A CN 201210577400XA CN 201210577400 A CN201210577400 A CN 201210577400A CN 102966689 A CN102966689 A CN 102966689A
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CN
China
Prior art keywords
friction
disk
mounting flange
friction disk
brake disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210577400XA
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Chinese (zh)
Other versions
CN102966689B (en
Inventor
吕习奎
吴利锋
权力
靳留洋
李敏
时超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Jingyida Auto Parts Co Ltd
Original Assignee
Zhengzhou Jingyida Auto Parts Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Jingyida Auto Parts Co Ltd filed Critical Zhengzhou Jingyida Auto Parts Co Ltd
Priority to CN201210577400.XA priority Critical patent/CN102966689B/en
Publication of CN102966689A publication Critical patent/CN102966689A/en
Application granted granted Critical
Publication of CN102966689B publication Critical patent/CN102966689B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a brake disk for an automobile. The brake disk comprises a friction disk and an installing flange, wherein the friction disk is of a ring structure, a plurality of U-shaped grooves are arranged in the inner circumference of the friction disk, bulges corresponding to the U-shaped grooves are arranged on the outer circumference of the installing flange, the bulges are fixed in the U-shaped grooves so that the installing flange is fixed with the friction disk, a gap is formed between the outer circumferential surface of the installing flange and the inner circumferential surface of the friction disk, and a groove is arranged in the inner circumference of the installing flange. The installing flange is arranged on the inner circumference of the friction disk, the gap is preserved between the friction disk and the installing flange, the groove is arranged in the inner circumference of the installing flange, a heat radiating groove is formed between the gap and the groove, the brake disk can not generate umbrella-shaped deformation during specific use, and heat generated by friction is radiated through the gap preserved between the inner circumference of the friction disk and the outer circumference of the installing flange and the groove in the inner circumference of the installing groove, so that the heat is effectively prevented from being transmitted to a bearing and an oil seal, the bearing and the oil seal are prevented from being damaged, and the safe and stable operation of the automobile is further ensured.

Description

Automotive brake disc
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 the drum brake ratio, disk type braker is lightweight, reaction is fast, heat fade, the advantages such as water fade is little, and insensitivity is good, disk type braker is by brake calipers, brake disc and friction plate consist of, brake disc commonly used 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, are illustrated in figure 1 as carnival hat type brake disc, be illustrated in figure 2 as the dumbbell shape brake disc, be illustrated in figure 3 as the circular shape brake disc.
As everyone knows, the process of automobile brake, actual is that potential energy, kinetic transformation are the process of heat energy, and the heat major part that produces is braked drum or brake disc absorbs, the temperature of brake drum or brake disc can raise.The same different break of vehicle assembling, under equal brake condition, lightweight than brake drum because of brake disc, thermal capacity is little, and temperature rise is large than brake drum.
Fig. 1, carnival hat type brake disc shown in Figure 2 and dumbbell shape brake disc, comprise up and down two rubbing surfaces, wherein go up rubbing surface and mounting flange 2 is structure as a whole, therefore, even the heat of two rubbing surface generations is close, because upper rubbing surface and mounting flange 2 one, the heat that therefore upper rubbing surface produces can pass to mounting flange 2, lower rubbing surface then can't transferring heat, therefore lower rubbing surface heats up and is higher than the intensification of rubbing surface, so Fig. 1, brake disc shown in Figure 2 can produce umbrella distortion as shown in Figure 4 in actual use, thereby affects the uniformity of the up and down wearing and tearing of two rubbing surfaces and the stability of automobile brake.
Circular shape brake disc shown in Figure 3, two rubbing surfaces all do not have other parts up and down, so its weight is lighter, and the temperature rise meeting is higher, two fricative heats of rubbing surface can only be delivered on the bearing, oil sealing of inner chamber by wheel hub up and down, cause that easily bearing, oil sealing 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 the ring brake disc, that inner circumference at friction disk arranges mounting flange, preset clearance between the inner circumference of friction disk and the excircle of mounting flange, on the inner circumference of mounting flange groove is set, gap and groove consist of radiating groove, the umbrella distortion can not appear in the circular shape brake disc when concrete the use, thereby guaranteed the even wear of two rubbing surfaces of friction disk, guarantee the stability of automobile brake, fricative heat effectively avoids heat to be delivered to bearing and oil sealing by the preset clearance between friction disk inner circumference and the mounting flange excircle and the heat radiation of the groove on the mounting flange inner circumference simultaneously, avoid bearing and oil sealing to damage, thereby 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 a plurality of U-shaped grooves, be provided with the projection corresponding with U-shaped groove on the excircle of mounting flange, projection is fixed in the U-shaped groove, thereby mounting flange and friction disk are fixed, be provided with the gap between the outer peripheral surface of mounting flange and the inner peripheral surface of friction disk, be provided with groove on the inner circumference of mounting flange.
Technological scheme of the present invention can also be such: be provided with the slit between the top of described projection and the inner bottom surface of U-shaped groove.
Technological scheme of the present invention can also be such: the U-shaped groove on the projection on the described mounting flange and the friction disk is fixed by second pouring.
Technological scheme of the present invention can also be such: described mounting flange is the QT500-7 flange.
Technological scheme of the present invention can also be such: described friction disk is the 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 the friction inner disc, and the friction inner disc is connected by a plurality of attachment posts and a plurality of U-shaped post with the friction outer disk, and friction inner disc, friction outer disk and U-shaped post form U-shaped 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 the ring brake disc, that inner circumference at friction disk arranges mounting flange, preset clearance between the inner circumference of friction disk and the excircle of mounting flange, on the inner circumference of mounting flange groove is set, gap and groove consist of radiating groove, the umbrella distortion can not appear in the circular shape brake disc when concrete the use, thereby guaranteed the even wear of two rubbing surfaces of friction disk, guarantee the stability of automobile brake, fricative heat is by the preset clearance between friction disk inner circumference and the mounting flange excircle and the heat radiation of the groove on the mounting flange inner circumference simultaneously, effectively avoid heat to be delivered to bearing and oil sealing, avoid bearing and oil sealing to damage, thereby give security for the safe and stable operation of automobile.
2, between the inner bottom surface of the top of the projection of mounting flange of the present invention and U-shaped groove the slit is set, this slit can effectively remedy the change in shape deviation that causes behind friction disk and the mounting flange expanded by heating.
3, mounting flange of the present invention adopts the QT500-7 flange, QT500-7 material heat conduction efficiency is slow, friction disk of the present invention then adopts the 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 heat radiation of the groove on the mounting flange inner circumference, can effectively evade heat by the transmission of mounting flange to wheel hub, bearing, oil sealing, prolong the life-span of bearing, oil sealing.
4, friction disk of the present invention is formed by friction inner disc, friction outer disk, attachment post and the casting of U-shaped post one, forms heat dissipation wind channel between attachment post and the attachment post, can help the friction disk heat radiation, guarantees the working life of friction disk.
5, the present invention is simple in structure, and is easy to use, safe and reliable, makes simply, is fit to the requirement of mass production, can make brake system of car more safe and reliable, guarantees ride safety of automobile.
Description of drawings:
Fig. 1 is the structural representation of carnival hat type brake disc in the prior art;
Fig. 2 is the structural representation of dumbbell shape brake disc in the prior art;
Fig. 3 is the structural representation of circular shape brake disc in the prior art;
Fig. 4 is the distortion of the generation umbrella in carnival hat type brake disc and the using process of dumbbell shape brake disc schematic representation in the prior art;
Fig. 5 is structural representation intention of the present invention.
Embodiment:
The present invention is described in further detail below in conjunction with accompanying drawing.
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 the QT500-7 flange, described friction disk 1 is circle structure, comprises friction outer disk 5, friction inner disc 6, U-shaped post 7 and the attachment post 8 of integrally casting, and attachment post 8 is square column.U-shaped post 7 and attachment post 8 are arranged between friction outer disk 5 and the friction inner disc 6, and friction inner disc 6 is connected by a plurality of attachment posts 8 and a plurality of U-shaped post 7 with friction outer disk 5, friction inner disc 6, friction outer disk 5 and U-shaped post 7 form U-shaped groove 3, be provided with the projection 4 corresponding with U-shaped groove 3 on the excircle of mounting flange 2, projection 4 modes by second pouring are fixed in the U-shaped groove 3, thereby mounting flange 2 is fixing with friction disk 1, be provided with the slit between the top of projection 4 and the inner bottom surface of U-shaped groove 3.Be provided with the gap between the inner peripheral surface of the outer peripheral surface of mounting flange 2 and friction disk 1, be provided with groove 10 on the inner circumference of mounting flange 2, 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 friction make automobile brake.A fricative heat part self is distributed by friction disk 1, another part passes to mounting flange 2, the groove that distribute in the gap and mounting flange 2 inner circumferences arrange 10 heat radiations between the inner circumference of the excircle of mounting flange 2 and friction disk 1, mounting flange 2 adopts the 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, friction disk 1 fricative heat is delivered to mounting flange 2 fast, gap between mounting flange 2 and friction disk 1, and 10 heat radiations of the groove on mounting flange 2 inner circumferences, can effectively evade heat by mounting flange 2 to wheel hub, bearing, the transmission of oil sealing prolongs bearing, the life-span of oil sealing.
Form heat dissipation wind channel between a plurality of attachment posts 8 of friction disk 1 interior setting, can accelerate friction disk 1 self-radiating.
Be noted that, above-described embodiment is to the explanation of technical solution of the present invention and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solution of the present invention, all should be included within the interest field of the presently claimed invention.

Claims (9)

1. 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 a plurality of U-shaped grooves (3), be provided with the projection (4) corresponding with U-shaped groove (3) on the excircle of mounting flange (2), projection (4) is fixed in the U-shaped groove (3), thereby mounting flange (2) and friction disk (1) is fixing, be provided with the gap between the inner peripheral surface of the outer peripheral surface of mounting flange (2) and friction disk (1), be provided with groove (10) on the inner circumference of mounting flange (2).
2. automotive brake disc according to claim 1 is characterized in that: be provided with the slit between the inner bottom surface of the top of described projection (4) and U-shaped groove (3).
3. automotive brake disc according to claim 1 is characterized in that: the projection (4) on the described mounting flange (2) is fixed by second pouring with the U-shaped groove (3) on the friction disk (1).
4. automotive brake disc according to claim 1, it is characterized in that: described mounting flange (2) is the QT500-7 flange.
5. automotive brake disc according to claim 1, it is characterized in that: described friction disk (1) is the HT250 friction disk.
6. 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 the friction inner disc (6), and friction inner disc (6) is connected by a plurality of attachment posts (8) and a plurality of U-shaped post (7) with friction outer disk (5), and friction inner disc (6), friction outer disk (5) and U-shaped post (7) form U-shaped groove (3).
7. automotive brake disc according to claim 6 is characterized in that: described friction outer disk (5), friction inner disc (6), U-shaped post (7) and attachment post (8) integrally casting.
8. automotive brake disc according to claim 6 is characterized in that: described attachment post (8) for cylinder or/and square column.
9. automotive brake disc according to claim 1, it is characterized in that: the side of described mounting flange (2) is provided with boss (9).
CN201210577400.XA 2012-12-27 2012-12-27 Automotive brake disc Expired - Fee Related CN102966689B (en)

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 true CN102966689A (en) 2013-03-13
CN102966689B CN102966689B (en) 2016-01-20

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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)

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN105370772A (en) * 2015-12-17 2016-03-02 北京交通大学 Connecting structure of shaft-mounted brake disc and disc hub of railway vehicle
CN107387610A (en) * 2017-07-12 2017-11-24 浙江工贸职业技术学院 A kind of automotive brake disc
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 (11)

* Cited by examiner, † Cited by third party
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
MXPA02008456A (en) * 2000-03-09 2003-10-06 Freni Brembo Spa Ventilated disc for disc 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
WO2006108080A2 (en) * 2005-04-01 2006-10-12 Performance Friction Corporation Integrated direct drive brake and hub package
WO2007010569A1 (en) * 2005-07-22 2007-01-25 Freni Brembo S.P.A. A braking band of a self-ventilated brake disc for a disc brake
CN101052820A (en) * 2004-10-26 2007-10-10 福乐尼·乐姆宝公开有限公司 Disc for disc brake
CN101855467A (en) * 2007-11-14 2010-10-06 罗伯特.博世有限公司 Brake disc
CN102159845A (en) * 2008-09-17 2011-08-17 罗伯特·博世有限公司 Brake disk
US20110278115A1 (en) * 2008-12-04 2011-11-17 Olaf Drewes 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

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA02008456A (en) * 2000-03-09 2003-10-06 Freni Brembo Spa Ventilated disc for disc brake.
EP1275871A2 (en) * 2001-07-13 2003-01-15 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Brake disc protected from oxidation
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
CN101052820A (en) * 2004-10-26 2007-10-10 福乐尼·乐姆宝公开有限公司 Disc for disc brake
WO2006108080A2 (en) * 2005-04-01 2006-10-12 Performance Friction Corporation Integrated direct drive brake and hub package
WO2007010569A1 (en) * 2005-07-22 2007-01-25 Freni Brembo S.P.A. A braking band of a self-ventilated brake disc for a disc brake
CN101855467A (en) * 2007-11-14 2010-10-06 罗伯特.博世有限公司 Brake disc
CN102159845A (en) * 2008-09-17 2011-08-17 罗伯特·博世有限公司 Brake disk
US20110278115A1 (en) * 2008-12-04 2011-11-17 Olaf Drewes 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

Cited By (6)

* Cited by examiner, † Cited by third party
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
CN105370772A (en) * 2015-12-17 2016-03-02 北京交通大学 Connecting structure of shaft-mounted brake disc and disc hub of railway vehicle
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
CN107387610A (en) * 2017-07-12 2017-11-24 浙江工贸职业技术学院 A kind of automotive brake disc
CN107387610B (en) * 2017-07-12 2019-02-26 浙江工贸职业技术学院 A kind of automotive brake disc
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

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Granted publication date: 20160120

Termination date: 20191227