Automobile brake pad

Abstract

The utility model discloses an automobile brake pad, which relates to the technical field of automobile brake equipment and comprises a back plate, a friction plate is arranged on one side of the back plate, a silencing plate is arranged on the other side of the back plate, and a noise reduction plate is arranged on the silencing plate. The inherent frequency of the silencing piece is changed through the noise reduction plate arranged on the silencing piece, resonance between the silencing piece and the back plate during working is prevented, and therefore the brake pad is not prone to generating noise during working, and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile brake equipment, especially to automobile brake pad. BACKGROUND

[0002] With the development of automobile industry, the performance of automobile is better and better, and the requirement of consumer for driving experience is higher and higher. The development of brake system in safety and stability is very fast, but the noise suppression of brake system in the process of braking is lack of attention, and the stability and noise reduction effect of the existing brake pad silencing structure are not ideal, which will produce huge noise in the process of braking.

[0003] As the publication number for CN212225837U, on December 25, 2020, a kind of automobile brake pad is disclosed, belong to automobile accessories field, including backboard, the inside of backboard is connected with internal hexagon screw by screw thread, the left side of backboard is in close contact with silencer, the inside of silencer is equipped with bubble, the left side of silencer is in close contact with heat insulation layer, the inside of heat insulation layer is connected with internal hexagon screw by screw thread, the left side of heat insulation layer is opened with vent, the left side of heat insulation layer is in close contact with steel back, the right side inside of steel back is connected with internal hexagon screw by screw thread, the left side of steel back is connected with friction layer by high heat pressurization fastening, the periphery of friction layer is cut with arc angle. The above-mentioned brake pad silencer is easy to resonate with backboard when working, and the silencer on the brake pad is easy to emit noise when working, and the noise reduction effect of silencer is poor. SUMMARY

[0004] The utility model discloses a kind of automobile brake pads of better noise reduction, the utility model is by being provided with the noise reduction board of contact with silencer on backboard, by noise reduction board to silencer work is carried out damping noise reduction work, so that the noise produced when automobile brake pad works is lower, the noise reduction effect of silencer is better, and practicality is higher.

[0005] To achieve the above-mentioned purpose, the technical scheme that the utility model solves its technical problems is as follows: automobile brake pad, including backboard, the side of backboard is equipped with friction pad, the other side of backboard is equipped with silencer, and the silencer is equipped with noise reduction board.

[0006] The connecting pin that is connected with silencer and noise reduction board is arranged on the backboard.

[0007] The noise reduction board is connected with the backboard.

[0008] Claw is arranged on the noise reduction board, and the claw is connected with the backboard.

[0009] Elastic layer is arranged between the silencer and the noise reduction board.

[0010] The elastic layer is molybdenum disulfide layer.

[0011] The two claws are arranged at the middle position of the noise reduction plate, and the back plate is provided with a clamping groove matched with the claws.

[0012] The noise reduction plate is a steel plate.

[0013] The utility model discloses the beneficial effect is:

[0014] The inherent frequency of the sound elimination sheet is changed by the noise reduction plate arranged on the sound elimination sheet, the resonance of the sound elimination sheet and the back plate is prevented when working, so that the brake sheet is not easy to produce noise when working, and the practicality is higher.

[0015] The noise reduction plate is conveniently installed on the back plate through the arrangement of the connecting pin and the claw, so that the noise reduction plate stably reduces the noise of the sound elimination sheet, and the sound elimination sheet and the noise reduction plate are provided with a molybdenum disulfide layer, the elastic contact between the sound elimination sheet and the noise reduction plate is realized through the arrangement of the molybdenum disulfide layer, and the noise produced by the resonance between the sound elimination sheet and the noise reduction plate is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model automobile brake sheet.

[0017] Figure 2 It is Figure 1 the front view.

[0018] Figure 3 It is the section view when the sound elimination sheet is connected with the noise reduction plate.

[0019] In the drawings: 1-back plate, 2-friction plate, 3-sound elimination sheet, 4-noise reduction plate, 5-elastic layer, 6-claw, 7-clamping groove, 8-connecting pin. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] The specific implementation of the utility model is described in detail below by combining with specific examples.

[0022] As Figure 1 Indicated, automobile brake sheet, including back plate 1, back plate 1 one side is equipped with friction plate 2, back plate 1 other side is equipped with sound elimination sheet 3, sound elimination sheet 3 is equipped with noise reduction plate 4, and friction plate 2 is clamped with back plate 1, and sound elimination sheet 3 carries out damping work to the vibration generated by friction plate 2, back plate 1 work, and noise reduction plate 4 carries out damping work to sound elimination sheet 3.

[0023] In use, the friction plate 2 on the back plate 1 performs friction deceleration work, at this time the sound elimination plate 3 on the back plate 1 performs sound elimination and noise reduction work, and the inherent frequency of the sound elimination plate 4 is changed by the noise reduction plate 4 arranged on the sound elimination plate 3, thereby preventing the sound elimination plate 3 from resonating with the back plate 1 in work, so that the brake pad is not prone to noise in work, and the practicability is higher.

[0024] With reference to Figure 1 and 2 , the back plate 1 is provided with a connecting pin 8 matched with the sound elimination plate 3 and the noise reduction plate 4, and the sound elimination plate 3 and the noise reduction plate 4 are stably installed on the back plate 1 through the arrangement of the connecting pin 8, specifically, the connecting pin 8 is provided with two, and the sound elimination plate 3 and the noise reduction plate 4 are respectively provided with two pin holes matched with the connecting pin 8, the pin holes on the sound elimination plate 3 and the noise reduction plate 4 are matched with the connecting pin 8, until the back plate 1 contacts with the sound elimination plate 3, and the sound elimination plate 3 contacts with the noise reduction plate 4, thereby realizing the installation of the sound elimination plate 3 and the noise reduction plate 4.

[0025] Specifically, the noise reduction plate 4 is matched with the back plate 1, thereby realizing the stable installation of the noise reduction plate 4 on the back plate 1.

[0026] In the embodiment, the noise reduction plate 4 is provided with a clamping jaw 5 matched with the back plate 1, and the stable connection work of the noise reduction plate 4 and the back plate 1 is realized through the arrangement of the clamping jaw 5, specifically, the clamping jaw 5 is integrally formed with the noise reduction plate 4, and the cross section of the clamping jaw 5 is L-shaped.

[0027] With reference to Figure 3 , the sound elimination plate 3 and the noise reduction plate 4 are provided with an elastic layer 6, and the elastic contact between the sound elimination plate 3 and the noise reduction plate 4 is ensured through the arrangement of the elastic layer 6, thereby preventing noise from being generated after resonance between the sound elimination plate 3 and the noise reduction plate 4.

[0028] In the embodiment, the elastic layer 6 is a molybdenum disulfide layer, and the molybdenum disulfide is coated on the sound elimination plate 3 and the noise reduction plate 4 before the sound elimination plate 3 and the noise reduction plate 4 contact with each other, thereby playing a lubricating and vibration-reducing role on the sound elimination plate 3 and the noise reduction plate 4.

[0029] With reference to Figure 2 , the clamping jaw 5 is provided with two, and the two clamping jaws 5 are arranged at the middle position of the noise reduction plate 4, and the back plate 1 is provided with a clamping groove 7 matched with the clamping jaw 5, and the installation of the noise reduction plate 1 on the back plate 1 is stably connected through the clamping of the clamping jaw 5 and the clamping groove 7 on the upper side of the back plate 1, and in the embodiment, the clamping groove 7 is provided with one, and the clamping groove 7 is arranged at the upper side of the back plate 1 as shown in Figure 2 , and the clamping groove 7 is arranged at the middle position of the upper side of the back plate 1, and the stable installation work of the noise reduction plate 4 is realized under the cooperation of the two clamping jaws 5 and the connecting pin 8.

[0030] In the embodiment, the noise reduction plate 4 is a steel plate, so that the strength of the noise reduction plate 4 is higher, the service life of the noise reduction plate 4 is increased, and the claw 5 on the noise reduction plate 4 is conveniently subjected to a stamping forming work.

[0031] The above merely provides the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall fall within the protection scope of the present application.

Claims

1. An automobile brake pad, characterized in that, Includes a back plate (1), a friction plate (2) is provided on one side of the back plate (1), a sound-absorbing plate (3) is provided on the other side of the back plate (1), and a noise reduction plate (4) is provided on the sound-absorbing plate (3); a connecting pin (8) is provided on the back plate (1) to engage with the sound-absorbing plate (3) and the noise reduction plate (4); the noise reduction plate (4) is engaged with the back plate (1).

2. The automotive brake pad according to claim 1, characterized in that, The noise reduction plate (4) is provided with a claw (5), which is engaged with the back plate (1).

3. The automotive brake pad according to claim 2, characterized in that, An elastic layer (6) is provided between the sound-absorbing sheet (3) and the noise-reducing plate (4).

4. The automotive brake pad according to claim 3, characterized in that, The elastic layer (6) is a molybdenum disulfide layer.

5. The automotive brake pad according to any one of claims 2-4, characterized in that, Two claws (5) are provided, and the two claws (5) are located in the middle of the noise reduction plate (4). The back plate (1) is provided with a slot (7) that cooperates with the claws (5).

6. The automotive brake pad according to claim 5, characterized in that, The noise reduction plate (4) is a steel plate.

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