CN204512260U - A kind of brake pad with low noise - Google Patents
A kind of brake pad with low noise Download PDFInfo
- Publication number
- CN204512260U CN204512260U CN201420833630.2U CN201420833630U CN204512260U CN 204512260 U CN204512260 U CN 204512260U CN 201420833630 U CN201420833630 U CN 201420833630U CN 204512260 U CN204512260 U CN 204512260U
- Authority
- CN
- China
- Prior art keywords
- brake pad
- straight trough
- steel backing
- chamfer surface
- arrangement
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of brake pad with low noise, comprise steel backing, the surface of described steel backing is provided with brake pad, the surface middle part of described brake pad is provided with straight trough, the outer end being positioned at described straight trough in the middle part of described brake pad is provided with the first V-arrangement chamfered section, described first V-arrangement chamfered section comprises the first chamfer surface and the second chamfer surface, described first chamfer surface and described second chamfer surface all tilt gradually from the surface of described brake pad toward the surface of described straight trough and described steel backing, the inner being positioned at described straight trough in the middle part of described brake pad is provided with the second V-arrangement chamfered section, described second V-arrangement chamfered section comprises the 3rd chamfer surface and the 4th chamfer surface, described 3rd chamfer surface and described 4th chamfer surface all tilt gradually from the surface of described brake pad toward the surface of described straight trough and described steel backing.Adopt the brake pad with low noise that the utility model provides, the dust that drag friction produces and frictional heat easily discharge from the inner of straight trough toward the outer end of straight trough.
Description
Technical field
The utility model relates to braking device field, is specifically related to a kind of brake pad with low noise.
Background technique
Brake block is the power unit that automobile is braked in the process of moving, and brake block is by clamping the brake disc with tyre rotation, and brake block and brake disc rub, thus realizes the brake operating of automobile.In braking process, carry out in the process rubbed at brake block and brake disc, brake block wearing and tearing can produce a large amount of dust, its dust accumulation also can affect its braking effect on brake block, can produce noise simultaneously, and, carry out friction between brake block and brake disc and gather a large amount of heat energy at short notice, the temperature of brake block can rise at short notice, and after the temperature of brake block rises to certain value, the braking effect of brake can significantly go down.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of brake pad with low noise.
The utility model provides a kind of brake pad with low noise, comprise steel backing, the surface of described steel backing is provided with brake pad, the outer circumferential face of described brake pad is by outer arc end face, inner arc end face and two planar end surfaces surround, the surface middle part of described brake pad is provided with straight trough, described straight trough extends to described outer arc end face from described inner arc end face, the outer end being positioned at described straight trough in the middle part of described brake pad is provided with the first V-arrangement chamfered section, described first V-arrangement chamfered section comprises the first chamfer surface and the second chamfer surface, described first chamfer surface and described second chamfer surface all tilt gradually from the surface of described brake pad toward the surface of described straight trough and described steel backing, the inner being positioned at described straight trough in the middle part of described brake pad is provided with the second V-arrangement chamfered section, described second V-arrangement chamfered section comprises the 3rd chamfer surface and the 4th chamfer surface, described 3rd chamfer surface and described 4th chamfer surface all tilt gradually from the surface of described brake pad toward the surface of described straight trough and described steel backing.
Further, the angle of described first V-arrangement chamfered section is 100 degree, and namely the angle of the intersection line on described first chamfer surface and described brake pad surface and the intersection line on described second chamfer surface and described brake pad surface is 100 degree; The angle of described second V-arrangement chamfered section is 80 degree, and namely the angle of the intersection line on described 3rd chamfer surface and described brake pad surface and the intersection line on described 4th chamfer surface and described brake pad surface is 80 degree.
Further, the two ends, left and right of described brake pad are equipped with the 5th chamfering, and described 5th chamfering all tilts gradually from the surface of described brake pad to the surface of described steel backing.
Further, the surface of described steel backing is provided with multiple bar shaped boss, and described bar shaped boss embeds the rear portion of described brake pad.
Further, four described bar shaped boss are shaped on described steel backing.
Further, the rear portion of described steel backing is provided with multiple trapezoidal circular hole.
Adopt the brake pad with low noise that the utility model provides, because adopt and have at the surface middle part of brake pad 20 straight trough that cross section is U-shaped, and the first V-arrangement chamfered section is provided with in the outer end of straight trough, the second V-arrangement chamfered section is provided with in the inner of straight trough, the angle of the first V-arrangement chamfered section is greater than the angle of the second V-arrangement chamfering, and the dust that drag friction produces and frictional heat easily discharge from the inner of straight trough toward the outer end of straight trough; Also be equipped with the 5th chamfering because adopt at the two ends, left and right of brake pad, by the synergy of the 5th chamfering and the first V-arrangement chamfered section and the second V-arrangement chamfered section, decrease the surface friction layer of brake pad and the area of contact of brake disc, reduce the noise contacting with each other and produce, add the wear resistance of friction layer simultaneously; Also because be provided with the bar shaped boss at the rear portion of multiple embedding brake pad on the surface of steel backing, add the join strength of steel backing and brake pad, reduce vibrations and noise; Also because be provided with multiple trapezoidal circular hole at the rear portion of steel backing, the shear strength of brake block can be increased substantially, and alleviate the weight of brake block.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 schematically illustrates the front view of the brake pad with low noise that the utility model embodiment provides;
Fig. 2 schematically illustrates the rear view of the brake pad with low noise that the utility model embodiment provides;
Fig. 3 schematically illustrates the plan view of the brake pad with low noise that the utility model embodiment provides;
Fig. 4 schematically illustrates the worm's eye view of the brake pad with low noise that the utility model embodiment provides;
Fig. 5 schematically illustrate the A-A of Fig. 1 to sectional view.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Referring to figs. 1 through Fig. 5, the utility model embodiment provides a kind of brake pad with low noise, comprise steel backing 10, the left and right sides of steel backing 10 is equipped with mounting ear 11, brake pad 20 is provided with on the surface of steel backing 10, the outer circumferential face of brake pad 20 is surrounded by outer arc end face 21, inner arc end face 22 and two planar end surfaces 23, a straight trough 24 is provided with at the surface middle part of brake pad 20, straight trough 24 extends to outer arc end face 21 from inner arc end face 22, the U-shaped profile of straight trough 24, the width of straight trough 24 is 2.5-4mm, and the degree of depth is 6-10mm.
The outer end being positioned at straight trough 24 in the middle part of brake pad 20 is provided with the first V-arrangement chamfered section, first V-arrangement chamfered section comprises the first chamfer surface 251 and the second chamfer surface 252, first chamfer surface 251 and the second chamfer surface 252 are symmetrical arranged relative to the medial axis of straight trough 24, first chamfer surface 251 and the second chamfer surface 252 all tilt gradually from the surface of brake pad 20 toward the surface of straight trough 24 and steel backing 10, the angle of the first V-arrangement chamfered section is 100 degree, and namely the angle of the intersection line on the first chamfer surface 251 and brake pad 20 surface and the intersection line on the second chamfer surface 252 and brake pad 20 surface is 100 degree;
The inner being positioned at straight trough 24 in the middle part of brake pad 20 is provided with the second V-arrangement chamfered section, second V-arrangement chamfered section comprises the 3rd chamfer surface 261 and the 4th chamfer surface 262,3rd chamfer surface 261 and the 4th chamfer surface 262 are symmetrical arranged relative to the medial axis of straight trough 24,3rd chamfer surface 261 and the 4th chamfer surface 262 all tilt gradually from the surface of brake pad 20 toward the surface of straight trough 24 and steel backing 10, the angle of the second V-arrangement chamfered section is 80 degree, and namely the angle of the intersection line on the 3rd chamfer surface 261 and brake pad 20 surface and the intersection line on the 4th chamfer surface 262 and brake pad 20 surface is 80 degree.
Be equipped with the 5th chamfering the 27, five chamfering 27 all to tilt gradually from the surface of brake pad 20 to the surface of steel backing 10 at the two ends, left and right of brake pad 20, the 5th chamfering 27 is symmetrical arranged relative to the medial axis of straight trough 24.
Multiple bar shaped boss 12 is provided with on the surface of steel backing 10, being preferably four bar shaped boss 12 is shaped on steel backing 10, bar shaped boss 12 embeds the rear portion of brake pad 20, like this, effectively improve the degree of adhesion of steel backing 10 and brake pad 20, add steel backing 10 and the join strength of brake pad 20, reduce vibrations and noise; Be provided with multiple trapezoidal circular hole 13 at the rear portion of steel backing 10, be preferably five trapezoidal circular holes 13, the diameter of trapezoidal circular hole 13 steel backing 10 upper outside large in little, the shear strength of brake block can be increased substantially, and alleviate the weight of brake block.
Come as can be seen from the above description, the brake pad with low noise adopting the utility model embodiment to provide, can reach following technique effect:
One, owing to having the straight trough 24 that cross section is U-shaped at the surface middle part of brake pad 20, and the first V-arrangement chamfered section is provided with in the outer end of straight trough 24, the second V-arrangement chamfered section is provided with in the inner of straight trough 24, the angle of the first V-arrangement chamfered section is greater than the angle of the second V-arrangement chamfering, the dust that drag friction produces and frictional heat easily discharge from the inner of straight trough 24 toward the outer end of straight trough 24, arrive the effect of heat radiation and noise reduction;
Two, owing to being equipped with the 5th chamfering 27 at the two ends, left and right of brake pad 20, by the synergy of the 5th chamfering 27 and the first V-arrangement chamfered section and the second V-arrangement chamfered section, decrease the surface friction layer of brake pad 20 and the area of contact of brake disc, reduce the noise contacting with each other and produce, add the wear resistance of friction layer 20 simultaneously;
Three, owing to being provided with the bar shaped boss 12 at the rear portion of multiple embedding brake pad 20 on the surface of steel backing 10, add steel backing 10 and the join strength of brake pad 20, reduce vibrations and noise;
Four, owing to being provided with multiple trapezoidal circular hole 13 at the rear portion of steel backing 10, the shear strength of brake block can be increased substantially, and alleviate the weight of brake block.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a brake pad with low noise, it is characterized in that, comprise steel backing (10), the surface of described steel backing (10) is provided with brake pad (20), the outer circumferential face of described brake pad (20) is by outer arc end face (21), inner arc end face (22) and two planar end surfaces (23) surround, it is characterized in that, the surface middle part of described brake pad (20) is provided with straight trough (24), described straight trough (24) extends to described outer arc end face (21) from described inner arc end face (22), the outer end that described brake pad (20) middle part is positioned at described straight trough (24) is provided with the first V-arrangement chamfered section, described first V-arrangement chamfered section comprises the first chamfer surface (251) and the second chamfer surface (252), described first chamfer surface (251) and described second chamfer surface (252) all tilt gradually from the surface of described brake pad (20) toward the surface of described straight trough (24) and described steel backing (10), the inner that described brake pad (20) middle part is positioned at described straight trough (24) is provided with the second V-arrangement chamfered section, described second V-arrangement chamfered section comprises the 3rd chamfer surface (261) and the 4th chamfer surface (262), described 3rd chamfer surface (261) and described 4th chamfer surface (262) all tilt gradually from the surface of described brake pad (20) toward the surface of described straight trough (24) and described steel backing (10).
2. brake pad with low noise as claimed in claim 1, it is characterized in that, the angle of described first V-arrangement chamfered section is 100 degree, and namely the angle of the intersection line on described first chamfer surface (251) and described brake pad (20) surface and the intersection line on described second chamfer surface (252) and described brake pad (20) surface is 100 degree; The angle of described second V-arrangement chamfered section is 80 degree, and namely the angle of the intersection line on described 3rd chamfer surface (261) and described brake pad (20) surface and the intersection line on described 4th chamfer surface (262) and described brake pad (20) surface is 80 degree.
3. brake pad with low noise as claimed in claim 1, it is characterized in that, the two ends, left and right of described brake pad (20) are equipped with the 5th chamfering (27), and described 5th chamfering (27) all tilts gradually from the surface of described brake pad (20) to the surface of described steel backing (10).
4. brake pad with low noise as claimed in claim 1, it is characterized in that, the surface of described steel backing (10) is provided with multiple bar shaped boss (12), and described bar shaped boss (12) embeds the rear portion of described brake pad (20).
5. brake pad with low noise as claimed in claim 4, it is characterized in that, four described bar shaped boss (12) are shaped on described steel backing (10).
6. brake pad with low noise as claimed in claim 4, it is characterized in that, the rear portion of described steel backing (10) is provided with multiple trapezoidal circular hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833630.2U CN204512260U (en) | 2014-12-25 | 2014-12-25 | A kind of brake pad with low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833630.2U CN204512260U (en) | 2014-12-25 | 2014-12-25 | A kind of brake pad with low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512260U true CN204512260U (en) | 2015-07-29 |
Family
ID=53710241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833630.2U Expired - Fee Related CN204512260U (en) | 2014-12-25 | 2014-12-25 | A kind of brake pad with low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906234A (en) * | 2019-06-11 | 2022-01-07 | Rfpc控股公司 | Friction device with a coupling insert |
-
2014
- 2014-12-25 CN CN201420833630.2U patent/CN204512260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906234A (en) * | 2019-06-11 | 2022-01-07 | Rfpc控股公司 | Friction device with a coupling insert |
| US11713792B2 (en) | 2019-06-11 | 2023-08-01 | Rfpc Holding Corp. | Friction device with bonding inserts |
| CN113906234B (en) * | 2019-06-11 | 2023-11-14 | Rfpc控股公司 | Friction device with coupling insert |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20191225 |