CN203130861U - Automobile braking disc - Google Patents
Automobile braking disc Download PDFInfo
- Publication number
- CN203130861U CN203130861U CN 201220731254 CN201220731254U CN203130861U CN 203130861 U CN203130861 U CN 203130861U CN 201220731254 CN201220731254 CN 201220731254 CN 201220731254 U CN201220731254 U CN 201220731254U CN 203130861 U CN203130861 U CN 203130861U
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- China
- Prior art keywords
- friction
- mounting flange
- brake disc
- friction disk
- groove
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- 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.)
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Abstract
The utility model relates to an automobile braking disc which comprises a friction disc and an installation flange. The friction disc is of a ring structure, a plurality of U-shaped grooves are formed in the inner circumference of the friction disc, protrusions corresponding to the U-shaped grooves are arranged on the outer circumference of the installation flange, the protrusions are fixed in the U-shaped grooves, accordingly the installation flange and the friction disc are fixed, a gap is formed between the outer circumferential face of the installation flange and the inner circumferential face of the friction disc, and a groove is formed in the inner circumference of the installation flange. The installation flange is arranged on the inner circumference of the friction disc, the gap is left between the friction disc and the installation flange in advance, the groove is formed in the inner circumference of the installation flange, a radiating groove is formed by the gap and the groove, umbrella-shaped deformation can be avoided when the braking disc is specifically used, heat generated by friction is dissipated through the reserved gap between the inner circumference of the friction disc and the outer circumference of the installation flange and the groove in the inner circumference of the installation flange, transmission of the heat to a bearing and an oil seal is effectively avoided, damage to the bearing and the oil seal is avoided, and the automobile braking disc provides guarantees to safe and stable operation of an automobile.
Description
Technical field:
The utility model automobile brake technical field is specifically related to a kind of automobile 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 in light weight, reaction is fast, heat fade, advantages such as water fade is little, and insensitivity is good, disk type braker is by brake calipers, brake disc and friction plate constitute, 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 the process that potential energy, kinetic energy are converted into 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 braking situation, in light weight than brake drum because of brake disc, thermal capacity is little, and temperature rise is big than brake drum.
Fig. 1, carnival hat type brake disc shown in Figure 2 and dumbbell shape brake disc, comprise two rubbing surfaces up and down, 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 last rubbing surface and mounting flange 2 one, therefore the heat of going up the rubbing surface generation can pass to mounting flange 2, following rubbing surface then can't transmit heat, therefore rubbing surface heats up and is higher than the intensification of rubbing surface under, so Fig. 1, brake disc shown in Figure 2 can produce umbrella distortion as shown in Figure 4 in actual use, thereby influences the uniformity of the wearing and tearing of two rubbing surfaces up and down 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.
The model utility content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of automobile brake disc, it is the ring brake disc, be 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 constitute 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 adopted in the utility model is:
A kind of automobile 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, the excircle of mounting flange is provided with the projection corresponding with U-shaped groove, and 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, the inner circumference of mounting flange is provided with groove.
Further, be provided with the slit between the inner bottom surface of the top of described projection and U-shaped groove.
Further, the projection on the described mounting flange and the U-shaped groove on the friction disk are fixed by second pouring.
Further, described mounting flange is the QT500-7 flange.
Further, described friction disk is the HT250 friction disk.
Further, described friction disk comprises the outer dish of friction, friction inner disc, U-shaped post and attachment post, U-shaped post and attachment post are arranged between the outer dish of friction 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 outer dish of friction, and friction inner disc, the outer dish of friction and U-shaped post are formed U-shaped groove.
Further, described friction coil outward, rub inner disc, U-shaped post and attachment post integrally casting.
Further, described attachment post is that cylinder is or/and square column.
Further, the side of described mounting flange is provided with boss.
The beneficial effects of the utility model are:
1, the utility model is the ring brake disc, be 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 constitute 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 utility model 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 utility model adopts the QT500-7 flange, QT500-7 material heat conduction efficiency is slow, friction disk of the present utility model 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 utility model is formed by friction inner disc, the outer dish of friction, 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 utility model 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 of the present utility model.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 5, a kind of automobile 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 the outer dish 5 of friction, 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 the outer dish 5 of friction and the friction inner disc 6, and friction inner disc 6 and friction be outer coils 5 and is connected by a plurality of attachment posts 8 and a plurality of U-shaped post 7, friction inner disc 6, the outer dish 5 of friction and U-shaped post 7 are formed U-shaped groove 3, the excircle of mounting flange 2 is provided with the projection 4 corresponding with U-shaped groove 3, 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, the inner circumference of mounting flange 2 is provided with groove 10, and the side of mounting flange 2 is provided with boss 9, and boss 9 is in order to install gear ring.
When braking automobile was braked, brake block and friction disk 1 friction made 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 utility model 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 that arrange in the friction disk 1, can accelerate friction disk 1 self-radiating.
Be noted that, above-described embodiment is to the explanation of technical solutions of the utility model 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 solutions of the utility model, all should be included within the desired interest field of the utility model.
Claims (9)
1. automobile 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), the excircle of mounting flange (2) is provided with the projection (4) corresponding with U-shaped groove (3), projection (4) is fixed in the U-shaped groove (3), thereby it is 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), the inner circumference of mounting flange (2) is provided with groove (10).
2. automobile 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. automobile 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. automobile brake disc according to claim 1, it is characterized in that: described mounting flange (2) is the QT500-7 flange.
5. automobile brake disc according to claim 1, it is characterized in that: described friction disk (1) is the HT250 friction disk.
6. automobile brake disc according to claim 1, it is characterized in that: described friction disk (1) comprises the outer dish of friction (5), friction inner disc (6), U-shaped post (7) and attachment post (8), U-shaped post (7) and attachment post (8) are arranged between the outer dish of friction (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 the outer dish of friction (5), and friction inner disc (6), the outer dish of friction (5) and U-shaped post (7) are formed U-shaped groove (3).
7. automobile brake disc according to claim 6 is characterized in that: (5), friction inner disc (6), U-shaped post (7) and attachment post (8) integrally casting are coiled in described friction outward.
8. automobile brake disc according to claim 6 is characterized in that: described attachment post (8) for cylinder or/and square column.
9. automobile brake disc according to claim 1, it 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 |
|---|---|---|---|
| CN 201220731254 CN203130861U (en) | 2012-12-27 | 2012-12-27 | Automobile braking disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731254 CN203130861U (en) | 2012-12-27 | 2012-12-27 | Automobile braking disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130861U true CN203130861U (en) | 2013-08-14 |
Family
ID=48938841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220731254 Expired - Fee Related CN203130861U (en) | 2012-12-27 | 2012-12-27 | Automobile braking disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966689A (en) * | 2012-12-27 | 2013-03-13 | 郑州精益达汽车零部件有限公司 | Brake disk for automobile |
| CN108443366A (en) * | 2018-04-24 | 2018-08-24 | 田世良 | A kind of compound brake disk and its processing technology |
-
2012
- 2012-12-27 CN CN 201220731254 patent/CN203130861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966689A (en) * | 2012-12-27 | 2013-03-13 | 郑州精益达汽车零部件有限公司 | Brake disk for automobile |
| CN108443366A (en) * | 2018-04-24 | 2018-08-24 | 田世良 | A kind of compound brake disk and its processing technology |
| CN108443366B (en) * | 2018-04-24 | 2024-06-04 | 田世良 | Composite brake disc and processing technology thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20161227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |