CN215762937U

CN215762937U - Brake pad with good noise reduction effect for electric vehicle

Info

Publication number: CN215762937U
Application number: CN202121507830.5U
Authority: CN
Inventors: 袁俊
Original assignee: Gaoyou Telido Electromechanical Manufacturing Co ltd
Current assignee: Gaoyou Telido Electromechanical Manufacturing Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-08
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a brake pad for an electric vehicle with good noise reduction effect, which comprises a brake pad body, wherein a built-in box is fixedly arranged at the upper end of a steel sheet piece, a cavity is arranged in the built-in box, mounting blocks are fixedly arranged at two ends of the built-in box and are fixedly connected with the steel sheet piece through bolts, a sealing strip is arranged at the lower end of a cover plate, the cover plate is arranged at the lower end of the built-in box so as to play a role in sealing and preventing gas leakage, dry gas is filled in the cavity and is nitrogen, the nitrogen is inert gas and has strong stability, the brake pad can play a role in sound insulation and can also play a role in heat insulation and impact resistance, the noise reduction effect is good, lugs and grooves are alternately arranged at the upper end of a mineral wool board, adsorbed sound is gradually reduced through the refraction of the grooves, a plurality of groups of sound absorption holes are arranged, the upper surfaces of the lugs are uniformly processed so as to play a role in sound absorption, the noise reduction effect is good, and the influence of noise on the driving of a driver is avoided.

Description

Brake pad with good noise reduction effect for electric vehicle

Technical Field

The utility model relates to the technical field of brake pads, in particular to a brake pad for an electric vehicle, which has a good noise reduction effect.

Background

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

The existing brake pad is easy to cause the surface unevenness of the brake pad after long-time use, so that great sound is generated in the friction process, the use is influenced, the general noise reduction treatment mode is that a silencing sheet is added at the back plate of a steel sheet, but the silencing sheet is easy to overheat to cause damage after long-time use, the service life is short, and the use effect is poor.

Aiming at the problems, the utility model provides the brake pad for the electric vehicle, which has a good noise reduction effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a brake pad for an electric vehicle, which has a good noise reduction effect and long service life, reduces abrasion and further solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a brake block for electric motor car that noise reduction effect is good, includes the brake block body, the brake block body includes steel sheet spare, brake subassembly, draw-in groove, installed part, noise insulation mechanism and inhales sound mechanism, and brake subassembly is installed to the lower extreme of steel sheet spare, and the draw-in groove processing is in brake subassembly's inside, and installed part fixed mounting is at the both ends of steel sheet spare, and noise insulation mechanism fixed mounting is in the upper end of steel sheet spare, inhales sound mechanism and installs the upper end at noise insulation mechanism.

Preferably, the steel sheet piece is provided with a separation strip, a retaining ring and a positioning block, the separation strip is installed on the outer surface of the steel sheet piece, the retaining ring is fixedly installed on one side of the steel sheet piece, and the positioning block is fixedly installed on the outer surface of the steel sheet piece.

Preferably, the brake assembly comprises an adhesion layer, a heat insulation layer, an inner friction layer, an outer friction layer and a positioning hole, the adhesion layer, the heat insulation layer, the inner friction layer and the outer friction layer are sequentially arranged on the brake assembly from top to bottom, the positioning hole is in penetrating connection with the adhesion layer, the heat insulation layer, the inner friction layer and the outer friction layer, and the inner friction layer and the outer friction layer are all members made of asbestos wool friction materials.

Preferably, the thickness of the inner friction layer is thinner than the thickness of the outer friction layer.

Preferably, the sound insulation mechanism comprises a built-in box, a cavity, mounting blocks, sealing strips and a cover plate, the built-in box is fixedly mounted at the upper end of the steel sheet piece, the cavity is arranged in the built-in box, the mounting blocks are fixedly mounted at two ends of the built-in box and are fixedly connected with the steel sheet piece through bolts, the sealing strips are arranged at the lower end of the cover plate, and the cover plate is mounted at the lower end of the built-in box.

Preferably, the cavity is filled with a dry gas, and the dry gas is nitrogen.

Preferably, inhale the sound mechanism and include mineral wool board, lug, recess and inhale the sound hole, lug and recess are alternately installed in the upper end of mineral wool board, inhale the sound hole and are provided with a plurality of groups, and evenly process the upper surface of lug.

Compared with the prior art, the utility model has the following beneficial effects:

1. the brake pad for the electric vehicle, provided by the utility model, has a good noise reduction effect, wherein an adhesion layer, a heat insulation layer, an inner friction layer and an outer friction layer are sequentially arranged on a brake component from top to bottom, a positioning hole is in through connection with the adhesion layer, the heat insulation layer, the inner friction layer and the outer friction layer are both members made of asbestos wool friction materials, the inner friction layer is thinner than the outer friction layer and can play a role in braking, the friction effect of the two friction layers is increased, the service life is prolonged, the generation of noise caused by serious abrasion is avoided, a blocking strip is arranged on the outer surface of a steel sheet piece and is arranged on the outer surface of the adhesion layer, and a positioning block is fixedly arranged on the outer surface of the steel sheet piece and is matched with the positioning hole, so that the brake component is conveniently limited and is prevented from generating offset after long-time friction.

2. The brake pad for the electric vehicle, provided by the utility model, has a good noise reduction effect, wherein the built-in box is fixedly arranged at the upper end of the steel sheet piece, the cavity is arranged in the built-in box, the mounting blocks are fixedly arranged at two ends of the built-in box and are fixedly connected with the steel sheet piece through bolts, the sealing strip is arranged at the lower end of the cover plate, the cover plate is arranged at the lower end of the built-in box, so that the sealing effect is conveniently realized, the gas leakage is prevented, the cavity is internally filled with dry gas, the dry gas is nitrogen, the nitrogen is inert gas, the stability is strong, the sound insulation effect can be realized when the brake pad is arranged in the built-in box, meanwhile, the heat insulation and impact resistance effects can also be realized, and the noise reduction effect is good.

3. According to the brake pad for the electric vehicle, which is provided by the utility model, the lugs and the grooves are alternately arranged at the upper end of the mineral wool board, the absorbed sound is gradually reduced through the refraction of the grooves, the sound absorption holes are provided with a plurality of groups, the upper surfaces of the lugs are uniformly processed, the sound absorption effect can be achieved, the noise reduction effect is good, and the influence of large noise on the driving of a driver is avoided.

Drawings

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

FIG. 2 is a schematic structural view of a steel sheet member of the present invention;

FIG. 3 is a schematic structural view of the brake assembly of the present invention;

fig. 4 is a schematic view of the structure of the soundproof mechanism of the present invention.

In the figure: 1. a brake pad body; 11. a steel sheet piece; 111. a barrier strip; 112. a retaining ring; 113. positioning blocks; 12. a brake assembly; 121. an adhesion layer; 122. a thermal insulation layer; 123. an inner friction layer; 124. an outer friction layer; 125. positioning holes; 13. a card slot; 14. a mounting member; 15. a sound insulation mechanism; 151. a built-in box; 152. a cavity; 153. mounting blocks; 154. a sealing strip; 155. a cover plate; 16. a sound absorbing mechanism; 161. a mineral wool board; 162. a bump; 163. a groove; 164. the sound absorbing hole.

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.

Referring to fig. 1, the brake pad for the electric vehicle with good noise reduction effect comprises a brake pad body 1, wherein the brake pad body 1 comprises a steel sheet piece 11, a brake component 12, a clamping groove 13, a mounting piece 14, a sound insulation mechanism 15 and a sound absorption mechanism 16, the brake component 12 is mounted at the lower end of the steel sheet piece 11, the clamping groove 13 is processed inside the brake component 12, the mounting piece 14 is fixedly mounted at two ends of the steel sheet piece 11, the sound insulation mechanism 15 is fixedly mounted at the upper end of the steel sheet piece 11, and the sound absorption mechanism 16 is mounted at the upper end of the sound insulation mechanism 15.

Referring to fig. 2 and 3, the steel sheet 11 is provided with a barrier strip 111, a retaining ring 112 and a positioning block 113, the retaining ring 112 is fixedly installed at one side of the steel sheet 11, the brake assembly 12 includes an adhesion layer 121, a heat insulation layer 122, an inner friction layer 123, an outer friction layer 124 and a positioning hole 125, the brake assembly 12 is sequentially installed with the adhesion layer 121, the heat insulation layer 122, the inner friction layer 123 and the outer friction layer 124 from top to bottom, the positioning hole 125, the adhesion layer 121, the heat insulation layer 122, the inner friction layer 123 and the outer friction layer 124 are all connected in a penetrating manner, the inner friction layer 123 and the outer friction layer 124 are all made of asbestos wool friction materials, the inner friction layer 123 is thinner than the outer friction layer 124, and can play a role in braking, the two friction layers increase the friction effect, prolong the service life, avoid serious abrasion and generate noise, the barrier strip 111 is installed on the outer surface of the steel sheet 11 and is installed on the outer surface of the adhesion layer 121, the positioning block 113 is fixedly mounted on the outer surface of the steel plate 11 and is matched with the positioning hole 125, so that the brake assembly 12 is limited, and the deviation after long-time friction is prevented.

Referring to fig. 4, the sound insulation mechanism 15 includes a built-in box 151, a cavity 152, a mounting block 153, a sealing strip 154 and a cover plate 155, the built-in box 151 is fixedly mounted at the upper end of the steel sheet 11, the cavity 152 is disposed inside the built-in box 151, the mounting block 153 is fixedly mounted at two ends of the built-in box 151 and is fixedly connected to the steel sheet 11 through bolts, the sealing strip 154 is disposed at the lower end of the cover plate 155, the cover plate 155 is mounted at the lower end of the built-in box 151 so as to achieve a sealing effect and prevent gas leakage, the cavity 152 is filled with dry gas, the dry gas is nitrogen, the nitrogen is inert gas, the stability is strong, the sound insulation effect can be achieved when the sound insulation mechanism is disposed in the built-in box 151, the sound insulation effect and the impact resistance can be achieved, the noise reduction effect is good, the sound absorption mechanism 16 includes a mineral wool board 161, a bump 162, a groove 163 and a sound absorption hole 164, the bump 162 and the groove 163 are alternately mounted at the upper end of the mineral wool board 161, inhale sound hole 164 and be provided with a plurality of groups, and evenly process the upper surface of lug 162, adsorbed sound passes through recess 163 refraction and diminishes gradually, inhales sound hole 164 and is provided with a plurality of groups, and evenly processes the upper surface of lug 162, can play the effect of inhaling the sound, and noise reduction effect is good, avoids the noise to influence the driver greatly and drives.

In summary, the following steps: the brake pad for the electric vehicle, which is provided by the utility model, has a good noise reduction effect, a brake component 12 is sequentially provided with an adhesion layer 121, a heat insulation layer 122, an inner friction layer 123 and an outer friction layer 124 from top to bottom, a positioning hole 125 is connected with the adhesion layer 121, the heat insulation layer 122, the inner friction layer 123 and the outer friction layer 124 in a penetrating way, the inner friction layer 123 and the outer friction layer 124 are both members made of asbestos velvet friction materials, the thickness of the inner friction layer 123 is thinner than that of the outer friction layer 124 and can play a role of braking, the two friction layers increase the friction effect, the service life is prolonged, the noise caused by serious abrasion is avoided, a separation strip 111 is arranged on the outer surface of a steel sheet piece 11 and is arranged on the outer surface of the adhesion layer 121, a positioning block 113 is fixedly arranged on the outer surface of the steel sheet piece 11 and is matched with the positioning hole 125, so as to play a role of limiting the brake component 12 and prevent the offset caused by long-time friction, the built-in box 151 is fixedly arranged at the upper end of the steel sheet piece 11, the cavity 152 is arranged inside the built-in box 151, the mounting blocks 153 are fixedly arranged at two ends of the built-in box 151 and fixedly connected with the steel sheet piece 11 through bolts, the sealing strip 154 is arranged at the lower end of the cover plate 155, the cover plate 155 is arranged at the lower end of the built-in box 151, so that a sealing effect is achieved, gas leakage is prevented, the cavity 152 is filled with dry gas, the dry gas is nitrogen which is inert gas and has high stability, a sound insulation effect can be achieved when the cover plate is arranged in the built-in box 151, a heat insulation and impact resistance effect can be achieved, a noise reduction effect is good, the bumps 162 and the grooves 163 are alternately arranged at the upper end of the mineral wool plate 161, adsorbed sound is gradually reduced through refraction of the grooves 163, the sound absorption holes 164 are provided with a plurality of groups, the upper surfaces of the bumps 162 are uniformly processed, a sound absorption effect can be achieved, and the noise reduction effect is good, avoid the noise big influence driver to drive.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a brake block for electric motor car that noise reduction effect is good, includes brake block body (1), its characterized in that: brake block body (1) includes steel sheet spare (11), brake subassembly (12), draw-in groove (13), installed part (14), noise insulation mechanism (15) and inhales sound mechanism (16), brake subassembly (12) are installed to the lower extreme of steel sheet spare (11), draw-in groove (13) processing is in the inside of brake subassembly (12), installed part (14) fixed mounting is at the both ends of steel sheet spare (11), noise insulation mechanism (15) fixed mounting is in the upper end of steel sheet spare (11), inhale the upper end at noise insulation mechanism (15) of sound mechanism (16) installation.

2. The brake pad for the electric vehicle with good noise reduction effect according to claim 1, characterized in that: the steel sheet piece (11) is provided with a barrier strip (111), a retaining ring (112) and a positioning block (113), the barrier strip (111) is installed on the outer surface of the steel sheet piece (11), the retaining ring (112) is fixedly installed on one side of the steel sheet piece (11), and the positioning block (113) is fixedly installed on the outer surface of the steel sheet piece (11).

3. The brake pad for the electric vehicle with good noise reduction effect according to claim 1, characterized in that: the brake component (12) comprises an adhesion layer (121), a heat insulation layer (122), an inner friction layer (123), an outer friction layer (124) and a positioning hole (125), the adhesion layer (121), the heat insulation layer (122), the inner friction layer (123) and the outer friction layer (124) are sequentially arranged on the brake component (12) from top to bottom, the positioning hole (125) is in through connection with the adhesion layer (121), the heat insulation layer (122), the inner friction layer (123) and the outer friction layer (124), and the inner friction layer (123) and the outer friction layer (124) are all members made of asbestos velvet friction materials.

4. The brake pad for the electric vehicle with good noise reduction effect according to claim 3, characterized in that: the thickness of the inner friction layer (123) is thinner than that of the outer friction layer (124).

5. The brake pad for the electric vehicle with good noise reduction effect according to claim 1, characterized in that: the sound insulation mechanism (15) comprises a built-in box (151), a cavity (152), an installation block (153), a sealing strip (154) and a cover plate (155), the built-in box (151) is fixedly installed at the upper end of a steel sheet piece (11), the cavity (152) is arranged inside the built-in box (151), the installation block (153) is fixedly installed at two ends of the built-in box (151) and fixedly connected with the steel sheet piece (11) through bolts, the sealing strip (154) is arranged at the lower end of the cover plate (155), and the cover plate (155) is installed at the lower end of the built-in box (151).

6. The brake pad for the electric vehicle with good noise reduction effect according to claim 5, characterized in that: the cavity (152) is filled with dry gas, and the dry gas is nitrogen.

7. The brake pad for the electric vehicle with good noise reduction effect according to claim 1, characterized in that: inhale sound mechanism (16) and include mineral wool board (161), lug (162), recess (163) and inhale sound hole (164), lug (162) and recess (163) are installed at mineral wool board's (161) upper end at interval, inhale sound hole (164) and are provided with a plurality of groups, and evenly process the upper surface of lug (162).