CN216589696U

CN216589696U - Modified aramid fiber reinforced passenger car brake pad

Info

Publication number: CN216589696U
Application number: CN202122177636.1U
Authority: CN
Inventors: 丁建德; 张国华; 程善良; 王立; 徐超; 陈忠
Original assignee: HANGZHOU UNITED FRICTION MATERIAL CO LTD
Current assignee: HANGZHOU UNITED FRICTION MATERIAL CO LTD
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-05-24
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a modified aramid fiber reinforced passenger car brake pad which comprises a fixed block, wherein two dust suction devices are fixedly mounted at the upper end of the fixed block, a groove is formed in the upper surface of the fixed block, a buffer device is fixedly mounted at the bottom in the groove, baffles are fixedly mounted on the opposite sides of the groove, a slide bar is slidably connected to the opposite sides of the groove, and a brake pad assembly is fixedly connected to the end part of the slide bar. According to the utility model, the buffer device is arranged to play a certain buffer effect, so that the hard contact strength of the brake pad body and the brake disc is reduced when the brake pad body is in contact with the brake disc, the wear-resisting device is arranged, particularly the design of the added layer is adopted, so that other friction material components can be better combined and the bonding strength is increased, the wear is reduced, the dust falling is reduced, the service life of the brake pad body is prolonged, and the dust suction device is arranged, so that the worn friction material powder can be adsorbed, and the corrosion of the powder to parts in the vehicle is reduced.

Description

Modified aramid fiber reinforced passenger car brake pad

Technical Field

The utility model relates to the technical field of brake pads, in particular to a modified aramid fiber reinforced passenger car 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 a wheel, 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 the 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, an SMT-4 furnace temperature tracker is used in the coating process to detect the temperature distribution in the coating process so as to ensure that the working principle of quality braking mainly comes from friction, and the kinetic energy of the advancing vehicle is converted into the heat energy after the friction by utilizing the friction between the brake pad and the brake disc (drum) and between a tire and the ground so as to stop the automobile.

The brake block is the important spare and accessory part on the car, and it has the effect of lifting the foot to the safety of car, and traditional brake block rigid connection is on the backplate, is hard contact when brake block and brake disc contact, and brake block wearing and tearing are big, and the dust of production is more, and the life-span is shorter to during the braking, the brake block is because the friction produces a large amount of heats, can not in time dispel the heat and lead to the brake block to burn out very easily, influences brake block performance and life, threatens the safety that the car travel even.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a modified aramid fiber reinforced passenger car brake pad.

In order to achieve the purpose, the utility model adopts the following technical scheme: passenger car brake pad of modified aramid reinforcing, including the fixed block, fixed block upper end fixed mounting has two dust extraction, the fixed block upper surface is seted up flutedly, bottom fixed mounting has buffer in the recess, the equal fixed mounting in the relative one side of recess has the baffle, the equal sliding connection in the relative one side of recess has the slide bar, slide bar tip fixedly connected with brake block subassembly.

As a further description of the above technical solution:

the brake block subassembly includes the brake block body, brake block body lateral wall and dust extraction lateral wall fixed connection, a plurality of louvres have been seted up to brake block body lower surface, brake block body upper surface fixed mounting has wear prevention device.

As a further description of the above technical solution:

the buffer device comprises a base, the lower surface of the base is fixedly connected with the bottom in the groove, a plurality of rubber blocks and heat absorbing sheets are fixedly mounted at the upper end of the base respectively, and the plurality of heat absorbing sheets are located between every two rubber blocks respectively.

As a further description of the above technical solution:

dust extraction includes the connecting block, connecting block lower extreme fixed mounting has the spring, fixed surface is connected on spring lower extreme and the fixed block, fixed surface installs the sponge piece under the connecting block, sponge piece lower extreme and fixed block upper end fixed connection, connecting block upper end fixedly connected with dust absorption cloth.

As a further description of the above technical solution:

the anti-abrasion device comprises a supporting layer, a plurality of supporting blocks are arranged in the supporting layer, an increasing layer is fixedly arranged at the upper end of the supporting layer, and a connecting assembly is fixedly arranged at the lower end of the supporting layer.

As a further description of the above technical solution:

coupling assembling includes the cooling layer, cooling layer lower extreme fixed mounting has the articulamentum.

The utility model has the following beneficial effects:

1. compared with the prior art, this passenger car brake block of modified aramid reinforcing through setting up buffer, plays certain cushioning effect, can be so that the hard contact strength when brake block body and brake disc contact reduces, through setting up wear prevention device, especially increase the design on layer, can be so that the better combination of other friction material components and increase bonding strength, thereby reduce wearing and tearing, reduce the ash that falls, increase the life of brake block body, reduce the expense of daily maintenance.

2. Compared with the prior art, this passenger car brake block of modified aramid fiber reinforcing through setting up dust extraction, can adsorb the friction material powder after wearing and tearing, reduces erosion and destruction of these powders to the interior part of car, reduces the potential safety hazard in the car, has improved the security performance of brake block.

Drawings

FIG. 1 is a schematic view of the overall structure of a modified aramid reinforced passenger car brake pad provided by the present invention;

FIG. 2 is a schematic view of a modified aramid fiber reinforced cushioning device for a passenger car brake pad according to the present invention;

FIG. 3 is a schematic view of a dust extraction apparatus for a modified aramid fiber reinforced passenger car brake pad according to the present invention;

fig. 4 is a schematic view of the wear prevention device of the modified aramid fiber reinforced passenger car brake pad provided by the utility model.

Illustration of the drawings:

1. a fixed block; 2. a buffer device; 3. a dust collection device; 4. an anti-wear device; 5. a baffle plate; 6. a slide bar; 7. a brake pad body; 8. heat dissipation holes; 9. a groove; 21. a base; 22. a rubber block; 23. a heat absorbing sheet; 31. connecting blocks; 32. dust collection cloth; 33. a spring; 34. a sponge block; 41. a support layer; 42. a cooling layer; 43. a connecting layer; 44. a support block; 45. layers are added.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the modified aramid fiber reinforced passenger car brake pad provided by the utility model comprises: including

fixed block

1, 1 upper end fixed mounting of fixed block has two dust extraction 3, and 1 upper surface of fixed block is seted up flutedly 9, and bottom fixed mounting has buffer 2 in the recess 9, and the equal fixed mounting in the relative one side of recess 9 has baffle 5, and the equal sliding connection in the relative one side of recess 9 has

slide bar

6, and 6 end fixedly connected with brake block assemblies of slide bar.

Brake block subassembly includes

brake block body

7, 7 lateral walls of brake block body and 3 lateral walls fixed connection of dust extraction, and a plurality of louvres 8 have been seted up to 7 lower surfaces of brake block body, and fixed surface installs wear prevention device 4 on 7 brake block bodies, and louvre 8 can improve 7 cooling rate of brake block body, improves 7 life of brake block body.

Buffer 2 includes base 21, bottom fixed connection in base 21 lower surface and the recess 9, and base 21 upper end fixed mounting has a plurality of rubber blocks 22 and heat absorbing sheet 23 respectively, and a plurality of heat absorbing sheet 23 are located between per two rubber blocks 22 respectively, and rubber block 22 plays certain cushioning effect, can reduce the certain degree of wear proof device 4.

Dust extraction 3 includes connecting block 31, connecting block 31 lower extreme fixed mounting has spring 33, fixed surface is connected on spring 33 lower extreme and the fixed block 1, fixed surface installs sponge piece 34 under connecting block 31, fixed connection in sponge piece 34 lower extreme and the 1 upper end of fixed block, connecting block 31 upper end fixedly connected with dust absorption cloth 32, dust absorption cloth 32 can adsorb the friction material powder after wearing and tearing, reduce erosion and destruction of these powder to the interior part of car.

The anti-abrasion device 4 comprises a supporting layer 41, a plurality of supporting blocks 44 are arranged inside the supporting layer 41, an adding layer 45 is fixedly arranged at the upper end of the supporting layer 41, a connecting assembly is fixedly arranged at the lower end of the supporting layer 41, the supporting blocks 44 can increase the strength of the supporting layer 41, the adding layer 45 is mainly composed of aramid fibers, and the surface of the adding layer is modified by liquid resin before use, so that the adding layer can be better combined with other friction material components and the bonding strength is increased, and the abrasion of the adding layer is reduced.

The connecting assembly comprises a cooling layer 42, a connecting layer 43 is fixedly mounted at the lower end of the cooling layer 42, and the connecting layer 43 plays a connecting role.

The working principle is as follows: can reduce the hard contact of brake block and brake disc through setting up buffer 2, reduce the wearing and tearing to brake block body 7, daily messenger wear proof device 4 is hugged closely with the brake disc, during the brake, fixed block 1 is close to the position that is close to the brake disc, make wear proof device 4 receive the reaction force of brake disc, let wear proof device 4 and brake block body 7 slightly remove to the direction that is close to buffer 2, make dust absorption cloth 32 and connecting block 31 slightly remove to the direction that is close to fixed block 1, let spring 33 and sponge piece 34 take place the compression, finally make the contact of brake block body 7 bottom and the rubber block 22 of buffer 2 upper surface, make rubber block 22 produce slight deformation, make buffer 2 play certain cushioning effect, thereby the friction loss of wear proof device 4 has been reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Passenger car brake block of modified aramid fiber reinforcing, including fixed block (1), its characterized in that: fixed block (1) upper end fixed mounting has two dust extraction (3), fixed block (1) upper surface is seted up flutedly (9), bottom fixed mounting has buffer (2) in recess (9), the equal fixed mounting in one side that recess (9) is relative has baffle (5), the equal sliding connection in one side that recess (9) is relative has slide bar (6), slide bar (6) tip fixedly connected with brake block subassembly.

2. The modified aramid reinforced passenger car brake pad of claim 1, wherein: the brake block subassembly includes brake block body (7), brake block body (7) lateral wall and dust extraction (3) lateral wall fixed connection, a plurality of louvres (8) have been seted up to brake block body (7) lower surface, fixed surface installs wear prevention device (4) on brake block body (7).

3. The modified aramid reinforced passenger car brake pad of claim 1, wherein: the buffer device (2) comprises a base (21), the lower surface of the base (21) is fixedly connected with the bottom in the groove (9), the upper end of the base (21) is respectively and fixedly provided with a plurality of rubber blocks (22) and heat absorbing sheets (23), and the heat absorbing sheets (23) are respectively positioned between every two rubber blocks (22).

4. The modified aramid reinforced passenger car brake pad of claim 1, wherein: dust extraction (3) are including connecting block (31), connecting block (31) lower extreme fixed mounting has spring (33), fixed surface is connected on spring (33) lower extreme and fixed block (1), fixed surface installs sponge piece (34) under connecting block (31), sponge piece (34) lower extreme and fixed block (1) upper end fixed connection, connecting block (31) upper end fixedly connected with dust absorption cloth (32).

5. The modified aramid reinforced passenger car brake pad of claim 2, wherein: the anti-abrasion device (4) comprises a supporting layer (41), a plurality of supporting blocks (44) are arranged inside the supporting layer (41), an increasing layer (45) is fixedly mounted at the upper end of the supporting layer (41), and a connecting assembly is fixedly mounted at the lower end of the supporting layer (41).

6. The modified aramid reinforced passenger car brake pad of claim 5, wherein: the coupling assembling includes cooling layer (42), cooling layer (42) lower extreme fixed mounting has articulamentum (43).