CN213870863U - Brake pad adopting arc grooving mode - Google Patents
Brake pad adopting arc grooving mode Download PDFInfo
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- CN213870863U CN213870863U CN202022371948.1U CN202022371948U CN213870863U CN 213870863 U CN213870863 U CN 213870863U CN 202022371948 U CN202022371948 U CN 202022371948U CN 213870863 U CN213870863 U CN 213870863U
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Abstract
The utility model relates to a brake pad with arc slotting mode, which comprises a steel back and a friction piece fixedly arranged on the steel back, wherein a locating slot is arranged at the middle position of the steel back, and mounting holes are arranged at the two sides of the locating slot of the steel back; the intermediate position of friction spare is provided with vertical fluting, and the friction spare is located vertical fluting both sides and is provided with first pitch arc fluting and second pitch arc fluting respectively, and first pitch arc fluting and second pitch arc fluting are asymmetric setting. The utility model relates to a brake block of pitch arc fluting mode, the ventilation cooling problem of brake block friction in-process has been solved in the jam of effectual reduction inslot foreign matter, and the natural frequency that adopts asymmetric mode's fluting mode to solve the brake block simultaneously is favorable to eliminating the noise when the brake.
Description
Technical Field
The utility model relates to a brake block of pitch arc fluting mode belongs to braking equipment technical field.
Background
Nowadays, high-end automobile brake equipment generally uses brake discs made of carbon and carbon ceramic materials. Compared with the traditional cast iron brake disc, the brake disc has the characteristics of low density and good friction performance, and becomes a new favorite for everyone, the brake disc and the brake pad are matched in the braking process, and the problems of abrasion blocks, braking noise and shaking caused by poor high-temperature performance of the brake pad due to the fact that the material of the disc and the pad can not be matched at present.
At present, most of brake pads matched with a carbon-ceramic brake disc are of transverse straight groove structures, and the brake disc is very easy to extrude impurities such as dust and soil in a friction process into the brake disc in a braking process, so that noise is caused, and meanwhile, the straight grooves cannot play a good air flowing role in a rotating process, so that the problem of accelerated wear of the brake pads is caused.
Chinese patent document CN211574110U discloses a brake pad, which mainly comprises a back plate and a friction block fixedly arranged on the back plate, wherein a heat insulation sheet is arranged on a connection surface of the friction block and the back plate, a set of heat dissipation holes are symmetrically formed in the back plate, mounting lugs are arranged on the left and right sides of the back plate, and arc-shaped transition edges are arranged on the side edges of the bottom of the back plate; three grooves are vertically arranged on the friction surface of the friction block, the width of a top opening of each groove is smaller than the width of a groove bottom of the groove, the groove bottom of each groove is higher than the limit friction surface of the friction block, and a high-temperature-resistant porous damping strip is arranged in each groove; friction lines are arranged on the friction surface of the friction block; the backplate is provided with a plurality of connection cylinders towards one side of clutch blocks, seted up on the heat insulating sheet with connect the connecting hole that cylindrical position and quantity correspond, be provided with on the clutch blocks with connect the cylindrical position and the connecting groove that quantity corresponds, it is in to pass the connecting hole embedding to connect the cylinder in the connecting groove. However, the above-mentioned grooving method for the brake pad still has a straight groove structure, and the technical defect of the straight groove structure still exists.
Disclosure of Invention
The not enough to prior art, the utility model provides a brake block of pitch arc fluting mode, the jam of effectual reduction inslot foreign matter has solved the ventilation cooling problem of brake block friction in-process, and the natural frequency that adopts asymmetric mode's fluting mode to solve the brake block simultaneously is favorable to eliminating the noise when the brake, uses ordinary lathe alright completion to the processing of product.
The technical scheme of the utility model as follows:
a brake pad adopting an arc grooving mode comprises a steel back and a friction piece fixedly arranged on the steel back, wherein a positioning groove is formed in the middle of the steel back, and mounting holes are formed in the steel back on two sides of the positioning groove;
the middle position of friction spare be provided with vertical fluting, friction spare be located vertical fluting both sides and be provided with first pitch arc fluting and second pitch arc fluting respectively, first pitch arc fluting and second pitch arc fluting be asymmetric setting.
According to the utility model discloses, preferably, vertical fluting, first pitch arc fluting or the fluting depth of second pitch arc be 1/3-2/3 of friction piece thickness.
According to the utility model discloses, preferably, vertical fluting, first pitch arc fluting or the fluting width of second pitch arc be 4-6 mm. This width is the optimum slot width.
According to the utility model, preferably, the arc direction of the first arc slot or the second arc slot is the direction with wind from top to bottom along the rotation direction of the brake pad;
further preferably, the radian of the first arc groove or the second arc groove is 15-25 degrees of the corresponding brake disc, and the radian is the optimal ventilation angle.
According to the present invention, preferably, the total number of the first arc grooving and the second arc grooving is 2-4. The distance between adjacent arc grooves is preferably 40-60 mm.
According to the utility model, preferably, the part of the steel back, which is positioned in the mounting hole, is provided with a first reinforcing part; preferably, the part of the steel back, which is positioned at the positioning groove, is provided with a second reinforcing part. The mounting hole is used for mounting the brake pad on the caliper of the brake disc, and the positioning groove is used for fixing the brake pad in the middle of the caliper all the time. Because mounting hole and constant head tank are the atress part, consequently, set up first reinforcing portion and second reinforcing portion and can guarantee the stress intensity, can not destroy the brake block.
The utility model has the advantages that:
1. the utility model relates to a brake block of pitch arc fluting mode, the ventilation cooling problem of brake block friction in-process has been solved in the jam of effectual reduction inslot foreign matter, and the natural frequency that adopts asymmetric mode's fluting mode to solve the brake block simultaneously is favorable to eliminating the noise when the brake.
2. The utility model discloses the slot on brake block surface can discharge the powder piece that brake block and brake disc wearing and tearing produced rapidly, avoids the piece to adhere to the friction between brake block and the brake disc on the surface, leads to the brake disc by the fish tail and influences braking effect. The grooves on the surface of the brake block can accelerate air flow, so that heat generated by friction can be quickly dissipated, and the brake effect is prevented from being influenced. The grooves on the surface of the brake pad can quickly drain rainwater, so that the friction force between the brake pad and a brake disc in rainy days is increased, and the braking performance in rainy days and wading driving is improved.
Drawings
Fig. 1 is a schematic view of the main structure of the brake pad with arc slotting of the present invention.
Wherein: 1. the steel backing, 2, friction part, 3, constant head tank, 4, vertical fluting, 5, first pitch arc fluting, 6, second pitch arc fluting, 7, first reinforcing portion, 8, mounting hole, 9, second reinforcing portion.
Detailed Description
The present invention will be further described, but not limited to, by the following specific embodiments in conjunction with the accompanying drawings.
Example 1
As shown in fig. 1, the brake pad adopting the arc grooving mode comprises a steel backing 1 and a friction member 2 fixedly arranged on the steel backing 1, wherein a positioning groove 3 is arranged in the middle of the steel backing 1, and mounting holes 8 are arranged on two sides of the positioning groove 3 of the steel backing 1;
the middle position of friction member 2 be provided with vertical fluting 4, friction member 2 be located vertical fluting 2 both sides and be provided with first pitch arc fluting 5 and second pitch arc fluting 6 respectively, first pitch arc fluting 5 and second pitch arc fluting 6 for asymmetric setting.
The depth of the vertical slot 4, the first arc slot 5 and the second arc slot 6 is 1/3 of the thickness of the friction piece 2, and the width of the vertical slot is 4 mm;
the arc directions of the first arc slot 5 and the second arc slot 6 are the wind directions from top to bottom of the rotation direction of the brake pad; the radian of the first arc line open slot 5 and the second arc line open slot 6 is 15 degrees corresponding to the brake disc; the number of the first arc line slots 5 is 1, the number of the second arc line slots 6 is 1, and the distance between adjacent arc line slots is 60 mm.
Example 2
As described in example 1, except that:
the depth of the vertical slot 4, the first arc slot 5 and the second arc slot 6 is 1/2 of the thickness of the friction piece 2, and the width of the slot is 5 mm;
the arc directions of the first arc slot 5 and the second arc slot 6 are the wind directions from top to bottom of the rotation direction of the brake pad; the radian of the first arc-shaped slot 5 and the second arc-shaped slot 6 is 20 degrees of the corresponding brake disc; the number of the first arc line slots 5 is 1, the number of the second arc line slots 6 is 2, and the distance between the adjacent arc line slots is 50 mm.
Example 3
A brake pad adopting an arc grooving mode comprises a steel back 1 and a friction piece 2 fixedly arranged on the steel back 1, wherein a positioning groove 3 is formed in the middle of the steel back 1, and mounting holes 8 are formed in the steel back 1, which is positioned on two sides of the positioning groove 3; a first reinforcing part 7 is arranged on the part, located in the mounting hole 8, of the steel back 1, and a second reinforcing part 9 is arranged on the part, located in the positioning groove 3, of the steel back 1;
the middle position of friction member 2 be provided with vertical fluting 4, friction member 2 be located vertical fluting 2 both sides and be provided with first pitch arc fluting 5 and second pitch arc fluting 6 respectively, first pitch arc fluting 5 and second pitch arc fluting 6 for asymmetric setting.
The depth of the vertical slot 4, the first arc slot 5 and the second arc slot 6 is 2/3 of the thickness of the friction piece 2, and the width of the vertical slot is 6 mm;
the arc directions of the first arc slot 5 and the second arc slot 6 are the wind directions from top to bottom of the rotation direction of the brake pad; the radian of the first arc-shaped slot 5 and the second arc-shaped slot 6 is 25 degrees of the corresponding brake disc; the number of the first arc line slots 5 is 2, the number of the second arc line slots 6 is 2, and the distance between adjacent arc line slots is 40 mm.
Claims (8)
1. The brake pad in the arc grooving mode is characterized by comprising a steel back and a friction piece fixedly arranged on the steel back, wherein a positioning groove is formed in the middle of the steel back, and mounting holes are formed in the two sides of the steel back, which are positioned on the positioning groove;
the middle position of friction spare be provided with vertical fluting, friction spare be located vertical fluting both sides and be provided with first pitch arc fluting and second pitch arc fluting respectively, first pitch arc fluting and second pitch arc fluting be asymmetric setting.
2. The arc slotted brake lining of claim 1 wherein said vertical slot, said first arc slot or said second arc slot has a slot depth of 1/3-2/3 of the thickness of the friction element.
3. The arc grooving brake pad of claim 1, wherein the vertical groove, the first arc groove, or the second arc groove has a groove width of 4-6 mm.
4. The arc grooving brake pad of claim 1, wherein the arc direction of the first arc groove or the second arc groove is a windward direction from top to bottom of the brake pad rotation direction.
5. The arc slotted brake rotor of claim 1, wherein the arc of the first arc slot or the second arc slot is 15-25 ° to the corresponding brake rotor.
6. The arc grooving brake pad of claim 1, wherein the total number of the first arc grooving and the second arc grooving is 2-4.
7. The arc grooving brake pad of claim 1, wherein a portion of the steel backing at the mounting hole is provided with a first reinforcement.
8. The arc grooving brake pad of claim 1, wherein the portion of the steel backing located in the locating groove is provided with a second reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371948.1U CN213870863U (en) | 2020-10-22 | 2020-10-22 | Brake pad adopting arc grooving mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371948.1U CN213870863U (en) | 2020-10-22 | 2020-10-22 | Brake pad adopting arc grooving mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870863U true CN213870863U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022371948.1U Active CN213870863U (en) | 2020-10-22 | 2020-10-22 | Brake pad adopting arc grooving mode |
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| CN (1) | CN213870863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483844A (en) * | 2022-01-27 | 2022-05-13 | 摩擦一号制动科技（仙桃）有限公司 | Low-noise and good-heat-dissipation non-metal brake pad |
| WO2024017417A1 (en) * | 2022-10-30 | 2024-01-25 | 西安铁路信号有限责任公司 | Friction method for drum-type torque limiter |
-
2020
- 2020-10-22 CN CN202022371948.1U patent/CN213870863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483844A (en) * | 2022-01-27 | 2022-05-13 | 摩擦一号制动科技（仙桃）有限公司 | Low-noise and good-heat-dissipation non-metal brake pad |
| WO2024017417A1 (en) * | 2022-10-30 | 2024-01-25 | 西安铁路信号有限责任公司 | Friction method for drum-type torque limiter |
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