CN216951386U - Friction plate assembly, brake caliper and vehicle - Google Patents
Friction plate assembly, brake caliper and vehicle Download PDFInfo
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- CN216951386U CN216951386U CN202220546745.8U CN202220546745U CN216951386U CN 216951386 U CN216951386 U CN 216951386U CN 202220546745 U CN202220546745 U CN 202220546745U CN 216951386 U CN216951386 U CN 216951386U
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- plate assembly
- friction plate
- steel back
- brake caliper
- chamfer
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Abstract
The utility model provides a friction plate assembly, a brake caliper and a vehicle, and belongs to the technical field of vehicle brake calipers. The friction plate assembly can slide relative to a brake caliper support of the brake caliper, the friction plate assembly comprises a steel back, and a friction layer and a silencing sheet which are arranged on two sides of the steel back in a distributed mode, viscose is arranged between the silencing sheet and the steel back, bending portions with J-shaped sections and wrapping the steel back are formed on two sides of the silencing sheet in the length direction respectively, each bending portion comprises a vertical portion, a transverse portion and a flanging, the vertical portion, the transverse portion and the flanging are perpendicularly connected in sequence, the flanging is located on one side, provided with the friction layer, of the steel back, a first chamfer is arranged at the connection position of the transverse portion and the flanging, a second chamfer matched with the first chamfer is arranged at the corresponding position of the steel back, and one side, far away from the steel back, of the transverse portion is in contact with the brake caliper support. The friction plate assembly, the brake caliper and the vehicle can avoid brake noise.
Description
Technical Field
The utility model relates to the technical field of vehicle brake calipers, in particular to a friction plate assembly, a brake caliper and a vehicle.
Background
When a vehicle is braked, the friction plate assembly of the brake caliper slides between the brake caliper bracket and the brake caliper bracket to generate middle and low frequency brake noise. In order to reduce or eliminate the above-mentioned brake noise, a noise reduction plate is disposed at the friction plate assembly, and the noise reduction plate is generally bonded to the steel back of the friction plate assembly by an adhesive.
The friction plate assembly provided with the silencing plate generates friction force between the silencing plate and the brake caliper in the braking process, the friction force enables the silencing plate and the steel back to have a tendency of separation, so that the silencing plate and the steel back are degummed, the degummed area is continuously enlarged along with the increase of braking times, and the silencing plate loses the function of avoiding braking noise.
SUMMERY OF THE UTILITY MODEL
It is an object of the first aspect of the present invention to provide a friction plate assembly which avoids brake noise.
Another object of the utility model is to ensure driving safety.
It is an object of the second aspect of the present invention to provide a brake caliper including a friction plate assembly as described above.
It is an object of a third aspect of the utility model to provide a vehicle comprising a brake caliper as described above.
In particular, the present invention provides a friction plate assembly for a brake caliper, said friction plate assembly being slidable relative to a caliper support of said brake caliper, the friction plate assembly comprises a steel back, and a friction layer and a silencing plate which are distributed on two sides of the steel back, an adhesive is arranged between the silencing piece and the steel back, bent parts with J-shaped sections and wrapping the steel back are respectively formed on two sides of the silencing piece in the length direction, the bending part comprises a vertical part, a transverse part and a flanging which are vertically connected in sequence, the flanging is positioned at one side of the steel back, which is provided with the friction layer, a first chamfer is arranged at the joint of the transverse part and the flanging, and a second chamfer matched with the first chamfer is also arranged at the corresponding position of the steel back, and one side of the transverse part, which is far away from the steel back, is contacted with the brake caliper bracket.
Optionally, one side of the bent part facing the steel back is attached to the steel back.
Optionally, a third chamfer is further arranged at the joint of the transverse portion and the vertical portion, and a fourth chamfer matched with the third chamfer is arranged at the corresponding position of the steel back.
Optionally, the width of the bending part is smaller than the width of other parts of the silencing sheet.
Optionally, the friction plate assembly further comprises:
and the piston clamp is fixed on one side of the silencing plate, which is far away from the steel back, and is used for connecting the piston of the brake caliper with the friction plate assembly.
Optionally, the piston clamp is provided with a plurality of claws extending toward the piston, and the plurality of claws form a shape expanding in a direction away from the sound-deadening sheet.
Optionally, the friction plate assembly further comprises:
and the wear indicator is fixed at the steel back and used for measuring the wear degree of the friction layer.
Optionally, the friction plate assembly is an inboard friction plate assembly of the brake caliper.
In particular, the utility model also provides a brake caliper comprising a caliper support and a friction plate assembly as described in any one of the above.
In particular, the utility model also provides a vehicle comprising a brake caliper according to any one of the preceding claims.
According to one embodiment of the utility model, the first chamfer angle arranged at the bending inflection point of the silencing sheet is matched and attached with the second chamfer angle on the brake caliper support, so that the friction force between the silencing sheet and the brake caliper support can be effectively counteracted, the silencing sheet and the steel backing are prevented from degumming, the braking noise is further avoided, the development period is shortened, the development efficiency is improved, the development cost is reduced, the product quality is ensured, and the product competitiveness is improved.
According to one embodiment of the utility model, one side of the bending part of the silencing part facing the steel back is attached to the steel back, namely one side of the vertical part, one side of the transverse part and one side of the flanging facing the steel back are all attached to the steel back and are also bonded by using the adhesive, so that the silencing sheet and the steel back can be better connected and are not easy to separate.
According to one embodiment of the utility model, the piston clamp is arranged in an expanded claw shape, so that the piston and the friction plate assembly can be prevented from being separated, the piston is connected more tightly when pushing the friction plate assembly to press the brake disc, and the piston is not easy to separate when being returned.
According to one embodiment of the utility model, the wear indicator is arranged, so that a controller of a vehicle can be informed to give an alarm when the friction layer is seriously worn, the friction plate can be replaced in time, and the driving safety is ensured.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is an elevation view of a friction plate assembly according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a rear elevational view of a friction plate assembly according to one embodiment of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
FIG. 5 is a schematic structural view of a brake caliper according to one embodiment of the present invention;
fig. 6 is a cross-sectional view of the step at C-C in fig. 5.
Description of reference numerals:
100-brake caliper, 10-friction plate assembly, 101-inner side friction plate assembly, 102-outer side friction plate assembly, 11-steel back, 112-second chamfer, 111-fourth chamfer, 12-friction layer, 13-silencing plate, 130-bending part, 131-vertical part, 132-transverse part, 133-flanging, 135-first chamfer, 134-third chamfer, 14-piston clamp, 141-claw, 15-wear indicator, 20-brake caliper bracket, 30-brake caliper body, 40-spring plate, 50-sealing ring, 60-dust cover, 70-piston clamp
Detailed Description
Figure 1 is an elevation view of a friction plate assembly 10 according to one embodiment of the present invention. Fig. 2 is a cross-sectional view taken at a-a in fig. 1. Figure 3 is a rear view of a friction plate assembly 10 according to one embodiment of the present invention. Fig. 4 is a cross-sectional view at B-B in fig. 3. FIG. 5 is a schematic structural view of a brake caliper according to one embodiment of the present invention. Fig. 6 is a cross-sectional view of the step at C-C in fig. 5. The present embodiment provides a friction plate assembly 10 for a brake caliper, the friction plate assembly 10 being slidable relative to a caliper bracket 20 of the brake caliper. The brake caliper shown in fig. 6 includes a brake caliper body 30 and a brake caliper bracket 20 connected by a guide pin, the guide pin is fixed to the brake caliper body 30, a bracket inner hole is opened in the brake caliper bracket 20, and the brake caliper body 30 slides in the bracket inner hole by the guide pin. The caliper support 20 is further slidably mounted with an inner friction plate assembly 101 and an outer friction plate assembly 102, a piston 70 is disposed inside the caliper body 30, generally, the caliper support 20 is fixed, when the vehicle brakes, hydraulic pressure applied to the piston 70 rises and moves in the direction of the inner friction plate assembly 101 to push the inner friction plate assembly 101 to move in the direction of the outer friction plate assembly 102, the caliper body 30 moves in the direction opposite to the moving direction of the piston 70 to drive the outer friction plate assembly 102 to move in the direction of the inner friction plate assembly 101, so that the inner friction plate assembly 101 and the outer friction plate assembly 102 move in opposite directions to clamp the brake disc to generate braking force, and the vehicle decelerates. The inner friction plate assembly 101 and the outer friction plate assembly 102 are provided with noise reduction plates 13 for reducing noise caused by vibration generated by friction between a friction material and a brake disc. As shown in fig. 2, in one embodiment, the friction plate assembly 10 includes a steel back 11, and friction layers 12 and noise reduction plates 13 disposed on two sides of the steel back 11, wherein the friction layers 12 are made of friction material. Between the noise damping sheet 13 and the steel back 11, an adhesive such as acrylic is provided, and the piston 70 contacts the noise damping sheet 13 when braking. As shown in fig. 3, two sides of the noise damping sheet 13 in the length direction are respectively formed with a bending portion 130 having a J-shaped cross section and covering the steel back 11, as shown in fig. 4, the bending portion 130 includes a vertical portion 131, a horizontal portion 132 and a flange 133 which are sequentially and vertically connected, the flange 133 is located on one side of the steel back 11 where the friction layer 12 is disposed, a first chamfer 135 is respectively disposed at a connection portion of the horizontal portion 132 and the flange 133, the steel back 11 is also provided with a second chamfer 112 at a corresponding position, the side of the horizontal portion 132 away from the steel back 11 contacts with the caliper bracket 20. Friction plate assembly 10 may be an inner friction plate assembly 101 and/or an outer friction plate assembly 102.
During braking, the noise damping sheet 13 slides on the guide surface of the brake caliper support 20, and a certain friction force exists between the noise damping sheet 13 and the brake caliper support 20 during sliding, as shown in fig. 6, for example, the inner friction plate assembly 101 moves rightwards during braking, and the noise damping sheet 13 is subjected to the friction force of the brake caliper support 20 to the left, so that the vertical part 131 of the noise damping sheet 13 is in a risk of being separated from the back steel 11. In this embodiment, the first chamfer 135 disposed at the bending corner is matched and attached to the second chamfer 112 on the brake caliper support 20, so as to effectively offset the friction between the noise damping sheet 13 and the brake caliper support 20, and prevent the noise damping sheet 13 and the steel backing 11 from coming off, thereby avoiding braking noise, and simultaneously shortening the development cycle, improving the development efficiency, reducing the development cost, ensuring the product quality, and improving the product competitiveness.
In a further embodiment, as shown in fig. 4, the side of the bending part 130 facing the steel back 11 is attached to the steel back 11. That is, the vertical portion 131, the horizontal portion 132 and the flange 133 are attached to the steel back 11 at the sides facing the steel back 11 and are also bonded by the adhesive, so that the noise damping sheet 13 and the steel back 11 can be better connected and are not easily separated.
As shown in fig. 4, in one embodiment, the junction of the vertical portion 131 and the horizontal portion 132 is provided with a third chamfer 134, and the steel back 11 is provided with a fourth chamfer 111 at a corresponding position to match the third chamfer 134. The third chamfer 134 and the fourth chamfer 111 may be arranged such that the steel back 11 and the sound-damping patch 13 do not interfere when assembled.
As shown in fig. 3, in the present embodiment, the width of the bent portion 130 is smaller than the width of the other portion of the silencing sheet 13. That is, the friction plate assembly 10 is a shape with a wide middle part and two contracted ends.
In one embodiment, as shown in fig. 3, friction plate assembly 10 further includes a piston clip 14, piston clip 14 is fixed to the side of noise damping plate 13 away from steel backing 11, and piston clip 14 is used to connect piston 70 of the brake caliper with friction plate assembly 10. In one embodiment, the piston holder 14 is provided with a plurality of jaws 141 protruding toward the piston 70, and the plurality of jaws 141 are formed in a shape expanding in a direction away from the noise damper 13.
The piston clamp 14 of the present embodiment is configured as an expanding claw to prevent the piston 70 and the friction plate assembly 10 from disengaging, so that the piston 70 is connected more tightly when pushing the friction plate assembly 10 to press the brake disc, and is not easy to disengage when returning.
Further, as shown in fig. 3, the friction plate assembly 10 further includes a wear indicator 15 fixed at the steel backing 11 for measuring the wear degree of the friction layer 12. By arranging the wear indicator 15, the controller of the vehicle can be informed to give an alarm when the friction layer 12 is seriously worn, so that the friction plate can be replaced in time, and the driving safety is ensured.
In one embodiment, the piston clamp 14 and wear indicator 15 are riveted to the steel backing 11.
As shown in fig. 6, the present invention also provides a brake caliper comprising a caliper support 20 and a friction plate assembly 10 according to any one or combination of the above embodiments.
This brake caliper's amortization piece 13 matches the laminating with second chamfer 112 on the braking pincers support 20 at the first chamfer 135 that the inflection point department set up of bending, can offset the frictional force between amortization piece 13 and the braking pincers support 20 effectively, avoids amortization piece 13 and steel backing 11 to come unstuck, and then avoids braking noise, shortens development cycle simultaneously, improves development efficiency, reduces development cost, ensures product quality, promotes product competitiveness.
As shown in fig. 6, the brake caliper further includes a spring plate 40 for clamping the inner friction plate assembly 101 and the outer friction plate assembly 102, and a sealing ring 50 disposed at an outer surface of the piston 70, wherein the sealing ring 50 is disposed in a groove of the caliper body 30 in an interference manner, an inner hole of the sealing ring 50 is connected with the piston 70 in an interference manner, and cross sections of the groove and the sealing ring 50 may be rectangular. The caliper body 30 is also provided with a dust cover 60 for keeping dust out of the caliper body 30.
The utility model also provides a vehicle comprising a brake caliper according to any one or combination of the above embodiments.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The friction plate assembly is used for braking calipers and is characterized in that the friction plate assembly can slide relative to a braking caliper support of the braking calipers, the friction plate assembly comprises a steel back, a friction layer and a silencing plate, the friction layer and the silencing plate are arranged on two sides of the steel back in a distributed mode, viscose is arranged between the silencing plate and the steel back, bending portions with J-shaped sections and wrapping the steel back are formed on two sides of the silencing plate in the length direction respectively, each bending portion comprises a vertical portion, a transverse portion and a flanging which are vertically connected in sequence, the flanging is located on one side, provided with the friction layer, of the steel back, a first chamfer is arranged at the connection position of the transverse portion and the flanging, a second chamfer matched with the first chamfer is arranged on the corresponding position of the steel back, and one side, far away from the steel back, of the transverse portion is in contact with the braking caliper support.
2. A friction plate assembly as described in claim 1,
one side of the bending part facing the steel back is attached to the steel back.
3. A friction plate assembly as described in claim 1,
the junction of horizontal portion with vertical portion still is equipped with the third chamfer, the steel backing is equipped with in relevant position department with third chamfer complex fourth chamfer.
4. A friction plate assembly according to any one of claims 1-3,
the width of the bending part is smaller than that of the other parts of the silencing sheet.
5. A friction plate assembly as described in any of claims 1-3 further comprising:
and the piston clamp is fixed on one side of the silencing plate, which is far away from the steel back, and is used for connecting the piston of the brake caliper with the friction plate assembly.
6. A friction plate assembly as described in claim 5,
the piston clamp is provided with a plurality of clamping jaws extending towards the piston, and the plurality of clamping jaws form a shape expanding along the direction far away from the silencing sheet.
7. A friction plate assembly as described in claim 5 further comprising:
and the wear indicator is fixed at the steel back and used for measuring the wear degree of the friction layer.
8. A friction plate assembly as described in claim 1,
the friction plate assembly is an inner side friction plate assembly of the brake caliper.
9. A brake caliper comprising a caliper support and a friction plate assembly according to any one of claims 1 to 8.
10. A vehicle comprising a brake caliper according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546745.8U CN216951386U (en) | 2022-03-14 | 2022-03-14 | Friction plate assembly, brake caliper and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546745.8U CN216951386U (en) | 2022-03-14 | 2022-03-14 | Friction plate assembly, brake caliper and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951386U true CN216951386U (en) | 2022-07-12 |
Family
ID=82295423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220546745.8U Active CN216951386U (en) | 2022-03-14 | 2022-03-14 | Friction plate assembly, brake caliper and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951386U (en) |
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2022
- 2022-03-14 CN CN202220546745.8U patent/CN216951386U/en active Active
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