CN110608251A

CN110608251A - Automobile brake pad

Info

Publication number: CN110608251A
Application number: CN201910996801.0A
Authority: CN
Inventors: 王臣华
Original assignee: Changxing Guangchen Auto Parts Manufacturing Co Ltd
Current assignee: Changxing Guangchen Auto Parts Manufacturing Co Ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2019-12-24

Abstract

The invention discloses an automobile brake pad, which relates to the field of brake pads and comprises a back plate, wherein fixed blocks are arranged on two sides of the back plate, a dangerous layer friction block is arranged at the top end of the back plate, a heat insulation layer is arranged inside the back plate, sound absorption cotton is arranged at the top end of the back plate, which is positioned on the outer side of the dangerous layer friction block, a shockproof coating is arranged at the bottom end of the back plate, a safety layer friction block is arranged at the top end of the dangerous layer friction block, and a pressure sensor is arranged on one side of the dangerous layer friction block. According to the invention, through the arrangement of the transverse ventilation pipe, the vertical ventilation pipe and the heat dissipation holes, flowing air enters the transverse ventilation pipe from two sides of the friction block of the dangerous layer, takes away heat in the friction block of the dangerous layer, and then enters the vertical ventilation pipe to take away heat in the friction block of the safe layer, so that the heat finally flows out through the heat dissipation holes, most of heat in the friction block of the safe layer and the friction block of the dangerous layer is taken away, and the problem of poor heat dissipation effect is effectively solved.

Description

Automobile brake pad

Technical Field

The invention relates to the technical field of brake pads, in particular to an automobile brake pad.

Background

The automobile brake pad is also called as automobile brake shoe, and is a friction material fixed on a brake drum or a brake disc rotating with an automobile wheel disc, wherein a friction lining and a friction lining block bear external pressure to generate friction action so as to achieve the aim of reducing the speed of an automobile, the automobile brake pad is generally composed of a steel plate, an adhesive heat-insulating layer and a friction block, the steel plate is coated to prevent rust, and an SMT-4 furnace temperature tracker is used for detecting the temperature distribution in the coating process to ensure the quality in the coating process.

The radiating effect of current automobile brake block is not good, lead to the clutch blocks and wheel dish to produce high temperature after contacting, influence life, and the clutch blocks of high temperature gives inside the backplate with the temperature transfer, make the inside part of backplate be in the high temperature environment, influence the performance of part, also reduce life, the brake block needs regularly to be changed, nevertheless there is the brake block loss of part car more serious, and the driver is not known to this, lead to wearing and tearing serious brake block to continue to use, and cause danger.

Disclosure of Invention

The invention aims to: in order to solve the problems that the heat dissipation effect of a brake pad is not good, the heat insulation effect of the brake pad is not good, the brake pad is seriously worn and a driver does not know, the automobile brake pad is provided.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile brake pad, includes the backplate, the both sides of backplate are provided with the fixed block, and the top of backplate is provided with dangerous layer clutch blocks, the inside of backplate is provided with the insulating layer, and the outside that the top of backplate is located dangerous layer clutch blocks is provided with inhales the sound cotton, the bottom of backplate is provided with the shockproof coating, the top of dangerous layer clutch blocks is provided with safe layer clutch blocks, and installs pressure sensor on one side of dangerous layer clutch blocks, the inside of safe layer clutch blocks is provided with the louvre, the bottom of louvre is provided with perpendicular ventilation pipe, the bottom of perpendicular ventilation pipe is connected with horizontal ventilation pipe, the inside of insulating layer is provided with the support column, and the bottom of insulating layer is provided with the amortization layer, the bottom of amortization layer is provided.

Preferably, the material steel metal of backplate, the quantity of louvre is a plurality of.

Preferably, the vertical ventilation pipe penetrates through the top end of the friction block of the safety layer, and the supporting column is fixedly connected with the heat insulation layer.

Preferably, the cross ventilation pipes penetrate through two sides of the dangerous layer friction block, and the number of the cross ventilation pipes is six.

Preferably, inhale the sound cotton outside of encircleing at two safety layer clutch blocks, pressure sensor's quantity is two, and pressure sensor's height is less than dangerous layer clutch block, pressure sensor and car internal control system pass through PLC controller electric connection.

Preferably, the heat insulation layer is fixedly connected with the noise reduction layer, and the vertical ventilation pipe is communicated with the transverse ventilation pipe.

Preferably, the number of the support columns is multiple, and the support columns are welded on the inner wall of the heat insulation layer.

Preferably, the fixed block is welded on the outer wall of the back plate, and the number of the safety layer friction blocks and the number of the dangerous layer friction blocks are two.

Preferably, safety layer clutch blocks and dangerous layer clutch blocks fixed connection, inhale the sound cotton and pass through glue adhesive connection with the backplate, the different colours are set to safety layer clutch blocks and dangerous layer clutch blocks.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the transverse ventilation pipe, the vertical ventilation pipe and the heat dissipation holes, flowing air enters the transverse ventilation pipe from two sides of the friction block of the dangerous layer, takes away heat in the friction block of the dangerous layer, and then enters the vertical ventilation pipe to take away heat in the friction block of the safe layer, so that the heat finally flows out through the heat dissipation holes, most of heat in the friction block of the safe layer and the friction block of the dangerous layer is taken away, and the problem of poor heat dissipation effect is effectively solved.

2. According to the invention, through the arrangement of the heat insulation layer and the support columns, the residual heat is conducted into the heat insulation layer inside the back plate through the back plate made of the steel material, and the heat insulation layer is of a hollow structure, so that a small part of heat can be conducted into the sound attenuation layer only through the support columns, and the heat entering the sound attenuation layer finally is very little, thereby effectively solving the problem of poor heat insulation effect.

3. According to the automobile brake pad, due to the fact that the pressure sensors and the dangerous layer friction blocks are arranged, when the wheel disc is in contact with the safety layer friction blocks, the pressure sensors on the two sides are touched, the pressure sensors convert pressure signals into electric signals and transmit the electric signals to the PLC, the PLC is connected with an in-automobile control, a driver is reminded through voice broadcasting, the driver can replace the brake pad in time, and the problem that the driver is unaware of serious abrasion of the brake pad is effectively solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is an enlarged schematic view of A of the present invention;

fig. 5 is a front view of the present invention.

In the figure: 1. a back plate; 2. a fixed block; 3. a safety layer friction block; 4. a dangerous layer friction block; 5. a pressure sensor; 6. heat dissipation holes; 7. a vertical ventilation pipe; 8. a transverse ventilation pipe; 9. sound-absorbing cotton; 10. a thermal insulation layer; 11. a support pillar; 12. a sound-deadening layer; 13. an adhesive layer; 14. and (5) a shockproof coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-5, an automobile brake pad, which comprises a back plate 1, wherein two sides of the back plate 1 are provided with fixing blocks 2, a dangerous layer friction block 4 is arranged at the top end of the back plate 1, a thermal insulation layer 10 is arranged inside the back plate 1, sound absorption cotton 9 is arranged at the outer side of the dangerous layer friction block 4 at the top end of the back plate 1, a shockproof coating 14 is arranged at the bottom end of the back plate 1, a safety layer friction block 3 is arranged at the top end of the dangerous layer friction block 4, a pressure sensor 5 is arranged at one side of the dangerous layer friction block 4, heat dissipation holes 6 are arranged inside the safety layer friction block 3, vertical ventilation pipes 7 are arranged at the bottom ends of the heat dissipation holes 6, a transverse ventilation pipe 8 is connected to the bottom ends of the vertical ventilation pipes 7, support columns 11 are arranged inside the thermal insulation layer 10, a sound attenuation.

Please refer to fig. 1, the material of the back plate 1 is steel metal, which is convenient for supporting the pressure of the safety layer friction block 3 and the dangerous layer friction block 4, the number of the heat dissipation holes 6 of the friction block is multiple, and the heat dissipation holes are convenient for faster heat dissipation.

Please refer to fig. 2, the vertical ventilation pipe 7 penetrates the top end of the friction block 3 of the safety layer, so that the vertical ventilation pipe 7 sends heat flow out of the friction block 3 of the safety layer, the support columns 11 are fixedly connected with the heat insulation layer 10, so that the heat flow is reduced and transmitted to the silencing layer 12 through the support columns 11, the horizontal ventilation pipes 8 penetrate the two sides of the friction block 4 of the danger layer, so that the flowing air at the two sides can enter conveniently, the number of the horizontal ventilation pipes 8 is six, and the six horizontal ventilation pipes 8 transmit air to the vertical ventilation pipe 7, so that the heat in the friction block 3 of the safety layer and the friction block 4 of the danger layer is taken away.

Please refer to fig. 3 emphatically, inhale sound cotton 9 and encircle the outside at two safety layer clutch blocks 3, be convenient for inhale the sound to the noise that produces after the brake, pressure sensor 5's quantity is two, two pressure sensor 5 are convenient for detect the rim plate from the brake block both ends simultaneously, and pressure sensor 5 highly is less than danger layer clutch block 4, be convenient for when the rim plate contacts with danger layer clutch block 4, there is the response to some, pressure sensor passes through PLC controller electric connection with car internal control system, pressure sensor 5 changes pressure signal into the signal of telecommunication and transmits for the PLC controller, the PLC controller is connected with the interior control of car, through voice broadcast, remind the driver.

Please refer to fig. 4, the heat insulation layer 10 is fixedly connected to the sound insulation layer 12, so that the sound insulation layer 12 can absorb noise through the heat insulation layer 10, the vertical ventilation pipes 7 are communicated with the horizontal ventilation pipes 8, so that air transportation and circulation are facilitated, the number of the support columns 11 is multiple, the support columns 11 are welded on the inner wall of the heat insulation layer 10, and the support columns 11 are convenient for supporting the hollow structure of the heat insulation layer 10, so as to reduce heat transfer.

Please refer to fig. 5, the fixing block 2 is welded on the outer wall of the back plate 1, so as to fix the brake pad when the brake pad is installed, the number of the safety layer friction blocks 3 and the dangerous layer friction blocks 4 is two, the two safety layer friction blocks 3 and the dangerous layer friction blocks 4 are convenient for braking the automobile wheel disc, the safety layer friction blocks 3 and the dangerous layer friction blocks 4 are fixedly connected, the sound-absorbing cotton 9 is connected with the back plate 1 through glue viscosity, so as to facilitate the fixation of the sound-absorbing cotton 9 in the back plate 1, the safety layer friction blocks 3 and the dangerous layer friction blocks 4 are set to different colors, so as to distinguish the wear degree of the safety layer friction blocks 3 and the dangerous layer friction blocks 4.

The working principle is as follows: when the automobile brake pad is used, the brake pad is arranged near the automobile wheel disc and is fixed by the fixing block 2, when an automobile runs, flowing air enters the transverse ventilation pipe 8 from two sides of the dangerous layer friction block 4 to take away heat in the dangerous layer friction block 4 and then enters the vertical ventilation pipe 7 to take away heat of the safety layer friction block 3, so that the heat finally flows out through the heat dissipation holes 6, most of the heat in the safety layer friction block 3 and the dangerous layer friction block 4 is taken away, the rest heat is conducted to the heat insulation layer 10 inside the back plate 1 through the back plate 1 made of steel, the heat insulation layer 10 is of a hollow structure, so that a small part of the heat can be conducted into the sound attenuation layer 12 only through the support columns 11, the heat finally entering the sound attenuation layer 12 is extremely little, when the automobile wheel disc is in frictional contact with the safety layer friction block 3 during braking, the safety layer friction block 3 is abraded, and the thickness is reduced, bring the noise simultaneously, the sound cotton 9 of inhaling in the 4 outsides of danger layer clutch blocks absorbs the noise, make the noise weaken, safety layer clutch blocks 3's after long-term braking thickness disappears gradually, expose danger layer clutch blocks 4 parts, when the rim plate contacts with safety layer clutch blocks 3, touch the pressure sensor 5 of both sides, pressure sensor 5 changes pressure signal into signal of telecommunication transmission and gives the PLC controller, the PLC controller is connected with control in the car, through voice broadcast, remind the driver, make the driver in time change the brake block, during the change, according to the colour consumption on safety layer clutch blocks 3 and the danger layer clutch blocks 4, can judge the wear and tear condition of brake block.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automobile brake block, includes backplate (1), its characterized in that: the safety protection device is characterized in that fixed blocks (2) are arranged on two sides of the back plate (1), a dangerous layer friction block (4) is arranged at the top end of the back plate (1), a heat insulation layer (10) is arranged inside the back plate (1), sound absorption cotton (9) is arranged at the top end of the back plate (1) and positioned outside the dangerous layer friction block (4), a shockproof coating (14) is arranged at the bottom end of the back plate (1), a safety layer friction block (3) is arranged at the top end of the dangerous layer friction block (4), a pressure sensor (5) is installed on one side of the dangerous layer friction block (4), heat dissipation holes (6) are arranged inside the safety layer friction block (3), vertical ventilation pipes (7) are arranged at the bottom ends of the heat dissipation holes (6), transverse ventilation pipes (8) are connected to the bottom ends of the vertical ventilation pipes (7), and support columns (11), and the bottom end of the heat insulation layer (10) is provided with a silencing layer (12), and the bottom end of the silencing layer (12) is provided with an adhesive layer (13).

2. The automobile brake pad of claim 1, wherein: the back plate (1) is made of steel metal, and the number of the heat dissipation holes (6) is multiple.

3. The automobile brake pad of claim 1, wherein: the vertical ventilation pipe (7) penetrates through the top end of the safety layer friction block (3), and the supporting column (11) is fixedly connected with the heat insulation layer (10).

4. The automobile brake pad of claim 1, wherein: the horizontal ventilation pipes (8) penetrate through the two sides of the dangerous layer friction block (4), and the number of the horizontal ventilation pipes (8) is six.

5. The automobile brake pad of claim 1, wherein: inhale sound cotton (9) and encircle the outside at two safety blanket clutch blocks (3), the quantity of pressure sensor (5) is two, and pressure sensor (5) highly be less than danger layer clutch block (4), pressure sensor (5) pass through PLC controller electric connection with car internal control system.

6. The automobile brake pad of claim 1, wherein: the heat insulation layer (10) is fixedly connected with the noise reduction layer (12), and the vertical ventilation pipe (7) is communicated with the transverse ventilation pipe (8).

7. The automobile brake pad of claim 1, wherein: the number of the support columns (11) is multiple, and the support columns (11) are welded on the inner wall of the heat insulation layer (10).

8. The automobile brake pad of claim 1, wherein: the fixed block (2) is welded on the outer wall of the back plate (1), and the number of the safety layer friction blocks (3) and the number of the danger layer friction blocks (4) are two.

9. The automobile brake pad of claim 1, wherein: safety layer clutch blocks (3) and dangerous layer clutch blocks (4) fixed connection, inhale sound cotton (9) and pass through glue adhesive connection with backplate (1), different colours are set to safety layer clutch blocks (3) and dangerous layer clutch blocks (4).