Noise reduction type brake pad steel backing

Abstract

The utility model belongs to the technical field of brake pads, and particularly discloses a noise reduction type brake pad steel backing which comprises a steel back panel, a base, heat insulation cotton, sound absorption cotton and a rubber pad, the steel back panel is arranged above the base, the heat insulation cotton, the sound absorption cotton and the rubber pad are arranged between the base and the steel back panel, the heat insulation cotton is attached to the steel back panel, and the rubber pad is attached to the base. The rubber pad is attached to the base, the sound absorption cotton is arranged between the heat insulation cotton and the rubber pad, a plurality of through mounting holes are formed in the steel back panel, grooves are formed in the side edges of the mounting holes, a plurality of through scattering holes are formed in the grooves, a plurality of protruding blocks corresponding to the scattering holes are evenly arranged on the sound absorption cotton, and the protruding blocks penetrate through the heat insulation cotton and are inserted into the scattering holes; the heat insulation cotton plays a role in heat insulation and flame retardance, damage to the sound absorption cotton due to too high temperature is avoided, the sound absorption cotton plays a role in sound absorption, noise reduction and noise reduction, the rubber pad plays a certain buffering role, vibration transmitted to the brake disc body by the steel back panel is absorbed, and the noise is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of brake pads, in particular to a noise-reducing brake pad steel back. Background Art

[0002] The purpose of the steel back is mainly to fix the friction material, which is easy to install on the brake system. The steel back is one of the components of the brake pad. Currently, disc brakes are widely used in the market, and almost all disc brake pads have high-strength friction materials sintered on a steel plate.

[0003] In practical use, brake pads generally use the contact of the steel back to generate friction, but noise will be generated during friction. Therefore, it is necessary to design brake pads that can reduce noise. The existing noise reduction method generally directly sets suction cotton or rubber pads in the brake pads. However, this noise reduction structure is too simple and the noise reduction effect is poor. In addition, high temperature will be generated during the friction process. The sound-absorbing cotton inside is easily burned due to the high temperature, and the service life is poor. Utility Model Content

[0004] The utility model aims to provide a noise-reducing brake pad steel back to solve the problem that the existing noise reduction method generally directly sets suction cotton or rubber pads in the brake pad, but this noise reduction structure is too simple, the noise reduction effect is poor, and high temperature is generated during the friction process. The sound-absorbing cotton inside is easily burned due to the high temperature, resulting in a poor service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise-reducing brake pad steel back, comprising a steel back panel, a base, thermal insulation cotton, sound-absorbing cotton and a rubber pad, a steel back panel is arranged above the base, the thermal insulation cotton, sound-absorbing cotton and the rubber pad are arranged between the base and the steel back panel, the thermal insulation cotton is bonded to the steel back panel, the rubber pad is bonded to the base, the sound-absorbing cotton is arranged between the thermal insulation cotton and the rubber pad, a plurality of through mounting holes are provided on the steel back panel, a groove is provided on the side of the mounting hole, a plurality of through scattered holes are provided in the groove, a plurality of protrusions corresponding to the scattered holes are evenly arranged on the sound-absorbing cotton, the protrusions pass through the thermal insulation cotton and are inserted in the scattered holes; the thermal insulation cotton plays a role of heat insulation and flame retardancy to prevent the sound-absorbing cotton from being damaged due to excessive temperature, the sound-absorbing cotton plays a role of sound absorption and noise reduction to reduce noise, the rubber pad plays a certain buffering role to absorb the vibration transmitted to the brake disc body by the steel back panel, and further reduce noise.

[0006] Preferably, the heat insulating cotton, sound absorbing cotton, rubber pad and base are all provided with through holes aligned with the mounting holes.

[0007] Preferably, an integrally formed connecting tube is provided at the mounting hole below the steel back panel, and the connecting tube passes through the through holes of the heat insulating cotton, the sound absorbing cotton, the rubber pad and the base.

[0008] Preferably, a slot is provided on the side above the base, and a latching position for cooperating with the slot is provided on the steel back panel.

[0009] Preferably, the groove is a waist-shaped groove, and the groove does not penetrate the steel back panel.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model increases the friction of the steel back panel by setting the grooves; the sound absorption effect can be improved by setting the scattered holes to ensure that the sound-absorbing cotton can absorb noise to improve the noise reduction effect; the heat insulation cotton can prevent high temperature from being transferred to the sound-absorbing cotton, causing damage to the sound-absorbing cotton, thereby increasing the service life; the rubber pad plays a certain buffering role to further reduce noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the steel back panel of the utility model.

[0015] In the figure: 1. Steel back panel; 101. Groove; 102. Scattered holes; 103. Mounting hole; 104. Connecting tube; 105. Position; 2. Base; 201. Slot; 3. Heat insulation cotton; 4. Sound-absorbing cotton; 401. Bump; 5. Rubber pad. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: a noise reduction brake pad steel back, comprising a steel back panel 1, a base 2, heat insulation cotton 3, sound absorbing cotton 4 and a rubber pad 5, wherein the steel back panel 1 is arranged above the base 2, the heat insulation cotton 3, the sound absorbing cotton 4 and the rubber pad 5 are arranged between the base 2 and the steel back panel 1, the heat insulation cotton 3 is fitted with the steel back panel 1, the rubber pad 5 is fitted with the base 2, the sound absorbing cotton 4 is arranged between the heat insulation cotton 3 and the rubber pad 5, and a plurality of through mounting holes 103 are opened on the steel back panel 1, and the mounting holes 103 are provided. 3 is provided with a groove 101, and a plurality of through-holes 102 are provided in the groove 101. A plurality of protrusions 401 corresponding to the holes 102 are evenly provided on the sound-absorbing cotton 4, and the protrusions 401 pass through the heat-insulating cotton 3 and are inserted into the holes 102. The heat-insulating cotton 3 plays a role of heat insulation and flame retardancy to prevent the sound-absorbing cotton 4 from being damaged due to excessive temperature. The sound-absorbing cotton 4 plays a role of sound absorption and noise reduction to reduce noise. The rubber pad 5 plays a certain buffering role to absorb the vibration transmitted from the steel back panel 1 to the brake disc body, thereby further reducing noise.

[0020] Furthermore, the heat insulating cotton 3 , the sound absorbing cotton 4 , the rubber pad 5 and the base 2 are all provided with through holes aligned with the mounting holes 103 .

[0021] Furthermore, an integrally formed connecting tube 104 is provided at the mounting hole 103 below the steel back panel 1 , and the connecting tube 104 passes through the through holes of the heat insulating cotton 3 , the sound absorbing cotton 4 , the rubber pad 5 and the base 2 .

[0022] Furthermore, a slot 201 is provided on the side above the base 2 , and a latching position 105 for cooperating with the slot 201 is provided on the steel back panel 1 .

[0023] Furthermore, the groove 101 is a waist-shaped groove, and the groove 101 does not penetrate the steel back panel 1 .

[0024] To sum up, when the utility model is in use, the groove 101 opened on the steel back panel 1 is used to increase the friction force, and the scattered holes 102 arranged in the groove 101 can allow the noise generated during the use of the steel back panel 1 to enter through the scattered holes 102, and then be absorbed by the sound-absorbing cotton 4, thereby playing a role in sound absorption and noise reduction. At the same time, the steel back panel 1 will generate high temperature during use, and the set heat insulation cotton 3 can effectively block the high temperature, avoid the sound-absorbing cotton 4 from burning due to high temperature, and affect the normal use of the sound-absorbing cotton 4. The set rubber pad 5 can absorb the vibration transmitted to the brake disc body by the steel back panel 1 when the steel back panel 1 is in use, thereby further reducing the noise.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction brake pad steel back, characterized in that: The invention comprises a steel back panel (1), a base (2), heat insulation cotton (3), sound absorbing cotton (4) and a rubber pad (5), wherein the steel back panel (1) is arranged above the base (2), the heat insulation cotton (3), the sound absorbing cotton (4) and the rubber pad (5) are arranged between the base (2) and the steel back panel (1), the heat insulation cotton (3) is fitted with the steel back panel (1), the rubber pad (5) is fitted with the base (2), the sound absorbing cotton (4) is arranged between the heat insulation cotton (3) and the rubber pad (5), a plurality of through mounting holes (103) are provided on the steel back panel (1), a groove (101) is provided on the side of the mounting hole (103), a plurality of through scattered holes (102) are provided in the groove (101), a plurality of protrusions (401) corresponding to the scattered holes (102) are evenly arranged on the sound absorbing cotton (4), and the protrusions (401) pass through the heat insulation cotton (3) and are inserted into the scattered holes (102).

2. A noise reduction brake pad steel back according to claim 1, characterized in that: The heat insulating cotton (3), the sound absorbing cotton (4), the rubber pad (5) and the base (2) are all provided with through holes aligned with the mounting holes (103).

3. The noise reduction brake pad steel back according to claim 1, characterized in that: An integrally formed connecting tube (104) is provided at the mounting hole (103) below the steel back panel (1), and the connecting tube (104) passes through the through holes of the heat insulating cotton (3), the sound absorbing cotton (4), the rubber pad (5) and the base (2).

4. The noise reduction brake pad steel back according to claim 1, characterized in that: A clamping slot (201) is provided on the side above the base (2), and a clamping position (105) for cooperating with the clamping slot (201) is provided on the steel back panel (1).

5. The noise reduction brake pad steel back according to claim 1, characterized in that: The groove (101) is a waist-shaped groove, and the groove (101) does not penetrate the steel back panel (1).

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