CN213628594U

CN213628594U - Silencing sheet structure for automobile braking system

Info

Publication number: CN213628594U
Application number: CN202022234917.1U
Authority: CN
Inventors: 庄浩楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-06
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a amortization piece structure for car braking system relates to the brake equipment field. The utility model provides a hush air sheet structure for automobile braking system, includes hush air sheet body, hush air sheet body is laminated by hush air layer, sheet metal layer and adhesion layer in proper order and is formed. The utility model discloses simple structure, low in manufacturing cost is honest and clean, sets up the production that the noise reduction layer can effectively be reduced through the one side at sheet metal layer and brake disc or brake drum friction, reduces the vibrations that produce when piston extrusion brake block and brake disc brake simultaneously.

Description

Silencing sheet structure for automobile braking system

Technical Field

The utility model relates to a brake equipment field particularly, relates to a amortization piece structure for car braking system.

Background

With the improvement of living standard of people, automobiles enter thousands of households, the appearance of the automobiles facilitates the outgoing of people, people like driving to travel, getting in the air, having meals and the like, for one automobile, a braking system of the automobile is indispensable, a brake shoe is an important component of the automobile, the friction braking force of the automobile is realized by the friction between a brake disc and a brake pad in the braking system, and the performance and the structure of the brake pad have great influence on the braking effect of the automobile; the brake block is generally composed of a back plate and a friction plate fixed on one side of the back plate, the brake block is assembled on the automobile through the back plate, the back plate plays a role in bearing and supporting a friction block, the friction plate is generally made of friction materials, during braking, steel is pushed by brake calipers in a back-to-back mode, the friction block is extruded on a brake disc or a brake drum to generate friction, and therefore the purpose of decelerating and braking of the automobile is achieved.

The development of safety and stability of the brake system is improved quickly, but the noise suppression of the brake system in the braking process is not focused, the structural stability and the noise reduction effect of the existing noise reduction sheet are not ideal, and huge noise can be generated in the braking process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a amortization piece structure for car braking system, its stable in structure can effectively reduce the noise and the vibrations of brake in-process.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a hush air sheet structure for automobile brake system, including the hush air sheet body, the hush air sheet body is laminated by hush air layer, sheet metal layer and adhesion layer in proper order and forms.

In some embodiments of the present invention, the sound-deadening layer is a rubber layer.

In some embodiments of the present invention, the rubber layer is made of nitrile rubber.

In some embodiments of the present invention, the thickness of the rubber layer is 0.08mm to 0.14 mm.

In some embodiments of the present invention, the hardness of the rubber layer is 70 to 110 degrees.

In some embodiments of the present invention, the side wall of the rubber layer away from the metal plate layer is provided with a cloth pattern.

In some embodiments of the present invention, the fabric pattern is rolled obliquely.

In some embodiments of the present invention, the adhesive layer is a pressure sensitive adhesive layer.

In some embodiments of the present invention, the thickness of the metal plate layer is 0.4mm to 1 mm.

In some embodiments of the present invention, the metal plate layer is an SPCC steel sheet.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment provides a noise damping sheet structure for an automobile braking system, which comprises a noise damping sheet body, wherein the noise damping sheet body is formed by laminating a noise damping layer, a metal plate layer and an adhesion layer in sequence. The sound is generated by vibration, the noise during braking is generated by the friction vibration between the friction plate and the brake disc or the brake drum, only the sound with a certain section of frequency can attract the attention of people, the brake pad is a component in an automobile braking system and mainly comprises a brake lining (friction material part) and a rigid back (metal part), the strength of sound waves can be changed once from the friction lining to the rigid back, and the sound waves can be changed once from the rigid back to the metal plate layer, so that the sound waves are mutually blocked layer by layer, the resonance is avoided, and the noise is reduced, the sheet metal layer on the brake pad is an accessory used to reduce or eliminate noise during braking, meanwhile, the silencing sheet body is connected with the brake pad through the adhesion layer, the silencing layer on one side of the metal plate material layer is abutted against the brake disc or the brake drum, and the silencing layer and the adhesion layer can reduce vibration and further reduce noise; the utility model discloses simple structure, low in manufacturing cost is honest and clean, sets up the production that the noise reduction layer can effectively be reduced through the one side at sheet metal layer and brake disc or brake drum friction, reduces the vibrations that produce when piston extrusion brake block and brake disc brake simultaneously.

When in actual use, the user is at first with attached amortization layer and adhesion layer respectively of the both sides wall face on sheet metal layer, cut and then prepare into the amortization piece structure that matches with the brake block on the sheet metal layer that will attach the amortization layer, the amortization piece that will cut has one side of adhesion layer and docks with the brake block and realize the installation flow, when braking, brake disc or brake drum can contradict at the amortization layer and rather than producing the friction, the noise and the vibrations that the friction produced then can effectively be reduced to the amortization layer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an overall schematic view of a noise damping sheet body according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a rubber layer wall structure according to an embodiment of the present invention.

Icon: 1-a sheet metal layer; 2-a rubber layer; 201-cloth marks; 3-adhesive layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the position or positional relationship indicated by the terms "center", "upper", "inner", etc. is based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, it is only for convenience of description and simplification of the present invention, and it is not intended to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 2, fig. 1 is a schematic view of an entire sound-deadening sheet body according to an embodiment of the present invention; fig. 2 is a schematic view of the wall surface structure of the rubber layer 2 according to the embodiment of the present invention.

The embodiment provides a hush air sheet structure for automobile brake system, including the hush air sheet body, the hush air sheet body is formed by hush air layer, sheet metal layer 1 and the coincide of adhesion layer 3 in proper order. The sound is generated by vibration, the noise during braking is generated by the friction vibration between the friction plate and the brake disc or the brake drum, only the sound with a certain section of frequency can attract the attention of people, the brake pad is a component in an automobile braking system and mainly comprises a brake lining (friction material part) and a rigid back (metal part), the strength of sound waves can be changed once from the friction lining to the rigid back, and the sound waves can be changed once from the rigid back to the metal plate layer 1, so that the sound waves are mutually blocked layer by layer, the resonance is avoided, and the effect of reducing the noise is achieved, the sheet metal layer 1 on the brake pad is an accessory used to reduce or eliminate noise during braking, meanwhile, the silencing sheet body is connected with the brake pad through the adhesion layer 3, the silencing layer on one side of the metal plate layer 1 is abutted against a brake disc or a brake drum, and the silencing layer and the adhesion layer 3 can reduce vibration and further reduce noise; the utility model discloses simple structure, low in manufacturing cost is honest and clean, sets up the production that the noise reduction layer can effectively be reduced through at sheet metal layer 1 and brake disc or brake drum frictional one side, reduces the vibrations that produce when piston extrusion brake block and brake disc brake simultaneously.

The sound attenuation layer, the metal plate layer 1 and the adhesion layer 3 in the embodiment are all formed by laminating and adhering structural adhesives.

When in actual use, the user is at first with attached amortization layer and adhesion layer 3 respectively of the both sides wall face on sheet metal layer 1, cut and then prepare into the amortization piece structure that matches with the brake block in sheet metal layer 1 that will attach the amortization layer, the amortization piece that will cut has one side of adhesion layer 3 and docks with the brake block and realize the installation flow, when braking, brake disc or brake drum can contradict at the amortization layer and rather than producing the friction, the noise and the vibrations that the friction produced then can effectively be reduced to the amortization layer.

In some embodiments of the present invention, as shown in fig. 1 and 2, the sound damping layer is a rubber layer 2.

The utility model provides a noise that the amortization layer produced when can effectively reducing the vehicle braking for rubber layer 2, because brake block (brakeling) generally comprises steel sheet, bonding insulating layer and clutch blocks, the clutch blocks comprises friction material, adhesive, is extruded during the brake and produces the friction on brake disc or brake drum to reach the purpose of vehicle speed reduction brake, the amortization piece then is located between clutch blocks and brake disc or the brake drum.

In some embodiments of the present invention, as shown in fig. 1 and 2, the rubber layer 2 is made of nitrile rubber.

The utility model provides a nitrile rubber is prepared through emulsion polymerization by butadiene and acrylonitrile, and nitrile rubber mainly adopts low temperature emulsion polymerization production, and the oil resistance is fabulous, and the wearability is higher, and the heat resistance is better, and the bonding force is strong. The disadvantages are poor low temperature resistance, ozone resistance, poor insulation properties and slightly low elasticity. The nitrile rubber is mainly used for manufacturing oil-resistant rubber products. NBR, a synthetic rubber made by copolymerizing butadiene and acrylonitrile. The rubber is a synthetic rubber with better oil resistance (especially alkane oil) and aging resistance. The acrylonitrile-butadiene rubber contains 42-46% acrylonitrile, 36-41% acrylonitrile, 31-35% acrylonitrile, 25-30% acrylonitrile, 18-24% acrylonitrile and the like. The more the acrylonitrile content, the better the oil resistance, but the cold resistance is decreased accordingly. It can be used in 120 deg.C air or 150 deg.C oil for a long time; because nitrile rubber has higher wearability and heat resistance, can bear brake disc or brake drum and produce high temperature and wearing and tearing that frictional force brought, effectively prolong the utility model discloses a life, nitrile rubber low in manufacturing cost is honest and clean simultaneously, the bulk production of being convenient for is used.

In some embodiments of the present invention, as shown in fig. 1 and 2, the thickness of the rubber layer 2 is 0.08mm to 0.14 mm.

The thickness of the rubber layer 2 in this embodiment is 0.11 mm.

The thickness of the rubber layer 2 in the above embodiment is 0.12 mm.

The thickness of the rubber layer 2 in the above embodiment is 0.14 mm.

The thickness of the rubber layer 2 in the above embodiment is 0.1 mm.

The thickness of the rubber layer 2 in the above embodiment is 0.13 mm.

The thickness of the rubber layer 2 in the above embodiment is 0.08 mm.

In some embodiments of the present invention, as shown in fig. 1 and 2, the hardness of the rubber layer 2 is 70 degrees to 110 degrees.

The hardness of the rubber layer 2 on top of the sheet metal layer 1 in this example is 90 degrees. The hardness of the rubber is Shore hardness, the unit expression of A type is HA, the unit expression of D type is HD, the reading of the value measured by Shore hardness is indicated, the unit is 'degree', the description method is divided into A, D types, the two types respectively represent different hardness ranges, the value below 90 degrees is measured by a Shore A durometer and data is obtained, the value above 90 degrees is measured by a Shore D durometer and data is obtained, generally speaking, for a rubber or plastic product, a tester can perform prejudgment before the test according to experience during the test, and then the test is performed by the Shore A durometer or the Shore D durometer. Generally, a product with larger or softer hand feeling elasticity can be directly judged by a tester to be tested by a Shore A durometer; the rubber layer 2 with higher hardness, which is in contact with the brake disc or the brake drum, has longer service life.

In the above embodiment, the hardness of the rubber layer 2 on top of the sheet metal layer 1 was 70 degrees.

In the above embodiment, the rubber layer 2 on top of the sheet metal layer 1 has a hardness of 90 degrees.

In some embodiments of the present invention, as shown in fig. 2, the side wall of the rubber layer 2 away from the metal plate layer 1 is provided with a cloth pattern 201. The effect of damping and silencing can be enhanced and the path of sound wave propagation can be reduced by arranging the fabric 201 on the outer wall surface of the rubber layer 2.

In some embodiments of the present invention, as shown in fig. 2, the cloth marks 201 are rolled obliquely.

The utility model discloses being slope rolling with cloth line 201 and can further strengthening shock attenuation noise cancelling effect, reduce the production of vibrations.

In some embodiments of the present invention, as shown in fig. 1, the adhesive layer 3 is a pressure sensitive adhesive layer. Can paste the butt joint with sheet metal layer 1 and brake block through adhesion layer 3, and adhesion layer 3 can play the efficiency that reduces vibrations and reduce noise propagation equally.

The pressure-sensitive adhesive layer in this embodiment is also called a pressure-sensitive adhesive, which is also called a pressure-sensitive adhesive, and is also called a pressure-sensitive adhesive for short; the meaning of pressure-sensitive adhesives and pressure-sensitive adhesive articles is more than ten explained, the most common definition being as follows: definition 1: by using finger energy pressure, it can make the adhesive immediately reach the purpose of adhering any smooth surface of adhered material. Meanwhile, if the adherend bonding surface is damaged, the adhesive does not contaminate the adherend surface, and such an adhesive is called a pressure-sensitive adhesive. Its bonding process is very sensitive to pressure and is called pressure sensitive. Definition 2: academic definition: the pressure-sensitive adhesive is a viscoelastic body which has both the viscous property of liquid and the elastic property of solid; the viscoelastic body can bear the influence factors and the properties of both a contact process and a damage process of bonding; the pressure-sensitive adhesive layer adopted in the embodiment is a natural rubber pressure-sensitive adhesive; the thickness of the pressure-sensitive adhesive layer in this example was 0.08 mm.

In some embodiments of the present invention, as shown in fig. 1, the sheet metal layer 1 has a thickness of 0.4mm to 1 mm.

The thickness of the sheet metal layer 1 in this example was 0.7 mm.

In the above embodiment, the thickness of the sheet metal layer 1 was 0.4 mm.

In the above embodiment, the thickness of the sheet metal layer 1 was 1 mm.

In some embodiments of the present invention, as shown in fig. 1, the sheet metal layer 1 is an SPCC steel sheet. The SPCC is originally the name of 'generally cold-rolled carbon steel sheet and steel strip' steel products in Japanese Standard (JIS), and a plurality of countries or enterprises directly use the SPCC in the specification of Bao steel Q/BQB 402; the sheet metal layer 1 is cold rolled and has a high hardness and is capable of receiving a strong impact force and a strong frictional force.

To sum up, the embodiment of the utility model provides a hush air sheet structure for automobile brake system, including the hush air sheet body, the hush air sheet body is formed by hush air layer, metal sheet layer 1 and adhesion layer 3 are attached in proper order. The sound is generated by vibration, the noise during braking is generated by the friction vibration between the friction plate and the brake disc or the brake drum, only the sound with a certain section of frequency can attract the attention of people, the brake pad is a component in an automobile braking system and mainly comprises a brake lining (friction material part) and a rigid back (metal part), the strength of sound waves can be changed once from the friction lining to the rigid back, and the sound waves can be changed once from the rigid back to the metal plate layer 1, so that the sound waves are mutually blocked layer by layer, the resonance is avoided, and the effect of reducing the noise is achieved, the sheet metal layer 1 on the brake pad is an accessory used to reduce or eliminate noise during braking, meanwhile, the silencing sheet body is connected with the brake pad through the adhesion layer 3, the silencing layer on one side of the metal plate layer 1 is abutted against a brake disc or a brake drum, and the silencing layer and the adhesion layer 3 can reduce vibration and further reduce noise; the utility model discloses simple structure, low in manufacturing cost is honest and clean, sets up the production that the noise reduction layer can effectively be reduced through at sheet metal layer 1 and brake disc or brake drum frictional one side, reduces the vibrations that produce when piston extrusion brake block and brake disc brake simultaneously.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hush air sheet structure for automobile brake system, its characterized in that includes the hush air sheet body, the hush air sheet body is laminated by hush air layer, sheet metal layer and adhesion layer in proper order and forms, the hush air layer is the rubber layer, the rubber layer adopts butadiene acrylonitrile rubber to make, the rubber layer is kept away from the lateral wall on sheet metal layer is provided with the cloth line.

2. The structure of claim 1, wherein the rubber layer has a thickness of 0.08mm to 0.14 mm.

3. The structure of claim 1, wherein the rubber layer has a hardness of 70 to 110 degrees.

4. The structure of claim 1, wherein the weave is rolled at an angle.

5. The sound-damping patch structure for an automobile brake system according to claim 1, wherein the adhesive layer is a pressure-sensitive adhesive layer.

6. The sound-damping patch structure for an automobile brake system according to claim 1, wherein the thickness of the metal plate material layer is 0.4mm to 1 mm.

7. The noise damping sheet structure for an automobile brake system according to claim 6, wherein the metal plate material layer is an SPCC steel sheet.