CN221278308U - Multi-groove damping drum brake pad - Google Patents
Multi-groove damping drum brake pad Download PDFInfo
- Publication number
- CN221278308U CN221278308U CN202323184037.8U CN202323184037U CN221278308U CN 221278308 U CN221278308 U CN 221278308U CN 202323184037 U CN202323184037 U CN 202323184037U CN 221278308 U CN221278308 U CN 221278308U
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- CN
- China
- Prior art keywords
- brake pad
- brake
- groove
- shoe
- drum brake
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 210000000003 hoof Anatomy 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000035939 shock Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000006978 adaptation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to the technical field of brake blocks, in particular to a multi-groove damping drum brake block, which comprises a shoe iron plate and a brake friction plate arranged on the surface of the shoe iron plate, wherein a plurality of anti-slip grooves which are uniformly and equidistantly arranged are formed in the surface of the brake friction plate; the outer wall of the hoof iron sheet is provided with a plurality of radial and even equidistant installation sliding strips which are in arc arrangement. According to the utility model, the friction coefficient of the brake pad can be improved, the braking force is increased, the rapid deceleration can be ensured during high-speed running, and the braking performance of the vehicle is improved through the plurality of groups of anti-skid grooves; meanwhile, the grooves can reduce the material and weight of the brake pad, save the cost and make the brake pad lighter, and the brake pad can be more stably arranged on the shoe pad by the sliding fit of the installation slide bar and the installation slide groove, so that the stability of the brake is improved; meanwhile, the brake pad and the shoe pad are tightly installed, and vibration and noise in the running process are reduced.
Description
Technical Field
The utility model relates to the technical field of brake pads, in particular to a multi-groove damping drum brake pad.
Background
A drum brake pad is a brake device that is mounted on a wheel and rotates with the wheel. The brake drum rotating along with the wheels is rubbed by utilizing a static brake pad in the brake drum so as to generate friction force to reduce the rotating speed of the wheels. When the brake pedal is pressed down, the force applied by the foot can enable a piston in the brake master cylinder to push brake oil forward and generate pressure in an oil way. The pressure is transmitted to the brake cylinder piston of each wheel through the brake oil, and the piston of the brake cylinder pushes the brake pad outwards, so that the brake pad rubs with the inner surface of the brake drum and enough friction force is generated to reduce the rotating speed of the wheel, thereby achieving the purpose of braking. Conventional drum brake pads generally include a shoe plate and a brake pad mounted to a surface of the shoe plate. However, the conventional drum brake pad may generate larger vibration and noise during the braking process, and may also decrease the braking performance due to sliding, so that the brake pad has a complex structure and is inconvenient to replace.
Disclosure of utility model
The utility model aims to provide a multi-groove damping drum brake pad, which solves the problems that in the prior art, the drum brake pad possibly generates larger vibration and noise in the braking process, the braking performance is possibly reduced due to sliding, the structure of the brake pad is complex, and the replacement is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A multi-groove damping drum brake pad comprises a shoe iron sheet and a brake friction sheet arranged on the surface of the shoe iron sheet, wherein a plurality of anti-slip grooves which are uniformly and equidistantly arranged are formed in the surface of the brake friction sheet;
The outer wall of the shoe plate is provided with a plurality of radial installation sliding strips which are uniformly and equidistantly arranged in an arc shape, and the surface of the shoe plate is provided with locking screw holes;
The brake friction plate comprises a steel fiber net layer arranged on the inner layer and a damping anti-slip layer arranged on the outer layer, and a mounting chute matched with the section size of the mounting slide bar in a sliding manner is formed in one side, which is contacted with the shoe plate, of the steel fiber net layer.
Preferably, the brake friction plate is connected to the shoe plate by a locking bolt through a locking screw hole.
Preferably, the installation slide bar and the installation chute are matched in size and have isosceles trapezoid cross sections.
Preferably, the shock absorption anti-slip layer is internally provided with a wear-resistant filler layer.
Preferably, the wear-resistant filler layer adopts carbon black, silica, white carbon black or mica powder, and the particle size is 50-80um.
Preferably, the surface of the wear-resistant filler layer is also provided with a plurality of anti-slip protrusions which are uniformly and equidistantly arranged.
Preferably, the anti-slip protrusion is made of anti-slip rubber material, and the height of the protrusion is 2-4mm.
Preferably, the anti-slip groove is one third of the thickness of the brake friction plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. In the multi-groove damping type drum brake pad, the friction coefficient of the brake pad can be improved through the plurality of groups of anti-slip grooves, the braking force is increased, rapid deceleration can be ensured during high-speed running, and the braking performance of a vehicle is improved; meanwhile, the grooves can reduce the material and weight of the brake pad, save the cost and make the brake pad lighter, and the brake pad can be more stably arranged on the shoe pad by the sliding fit of the installation slide bar and the installation slide groove, so that the stability of the brake is improved; meanwhile, the brake pad and the shoe pad are tightly installed, so that vibration and noise in the running process are reduced, the strength and the wear resistance of the brake pad can be improved by the steel fiber net layer, the brake pad is not easy to wear or crack in the use process, and the service life of the brake pad is prolonged; the shock absorption anti-slip layer can reduce the impact and vibration generated by braking in the running process of the vehicle, and improves riding comfort.
2. In this multislot shock-absorbing drum brake block, the brake friction disc passes locking screw threaded connection on the shoe piece through the lock bolt, through using the lock bolt, can fix the brake friction disc on the shoe piece more firmly, makes it difficult not hard up or drop under extreme condition, has further improved the stability of braking.
3. In this multislot shock-absorbing drum brake block, installation draw runner and installation spout both size looks adaptation and cross-section all are isosceles trapezoid structure for the installation of brake block and hoof iron sheet is more stable, has avoided becoming flexible because of vibration or other factors lead to.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, however, the utility model.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional exploded view of the present utility model;
FIG. 3 is a schematic top view of the brake pad of the present utility model.
Meaning of each reference numeral in the drawings:
10. Hoof iron sheet; 11. installing a sliding strip; 12. locking the screw hole; 13. a locking bolt;
20. A brake friction plate; 21. a steel fiber net layer; 22. installing a chute; 23. a shock absorption anti-slip layer; 24. a wear-resistant filler layer; 25. a slip preventing protrusion;
30. an anti-slip groove.
Detailed Description
The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
1-3, The multi-groove damping drum brake pad comprises a shoe 10 and a brake friction plate 20 arranged on the surface of the shoe 10, wherein a plurality of anti-slip grooves 30 which are uniformly and equidistantly arranged are formed on the surface of the brake friction plate 20; the outer wall of the shoe iron sheet 10 is provided with a plurality of radial and even equidistant arc-shaped installation sliding strips 11, and the surface of the shoe iron sheet 10 is provided with locking screw holes 12; the brake friction plate 20 comprises a steel fiber net layer 21 arranged on the inner layer and a damping anti-slip layer 23 arranged on the outer layer, wherein a mounting chute 22 which is matched with the cross section of the mounting slide bar 11 in size and is in sliding fit is formed in one side, which is contacted with the shoe plate 10, of the steel fiber net layer 21, the friction coefficient of the brake plate can be improved, the braking force can be increased, rapid deceleration can be ensured during high-speed running, and the braking performance of a vehicle is improved; meanwhile, the grooves can reduce the material and weight of the brake pad, save the cost and make the brake pad lighter, and the sliding fit of the installation slide bar 11 and the installation slide groove 22 can enable the brake pad to be more stably installed on the shoe pad 10, so that the stability of the brake is improved; meanwhile, the installation between the brake pad and the shoe pad is tighter, vibration and noise in the running process are reduced, the strength and the wear resistance of the brake pad can be improved by the steel fiber mesh layer 21, the brake pad is not easy to wear or crack in the use process, and the service life of the brake pad is prolonged; the shock-absorbing and anti-slip layer 23 can reduce shock and vibration generated by braking during running of the vehicle, and improve riding comfort.
Further, the brake friction plate 20 passes through the locking screw hole 12 through the locking bolt 13 to be connected to the shoe plate 10 in a threaded manner, and the brake friction plate 20 can be more firmly fixed to the shoe plate 10 by using the locking bolt 13, so that the brake friction plate is not easy to loosen or fall off under extreme conditions, and the braking stability is further improved.
Wherein, the size looks adaptation and the cross-section of installation slide 11 and installation spout 22 are isosceles trapezoid structure for the installation of brake block 20 and hoof iron sheet 10 is more stable, has avoided the not hard up because of vibration or other factors lead to.
Specifically, the wear-resistant filler layer 24 is arranged in the shock-absorbing anti-skid layer 23, and the wear-resistant filler layer 24 adopts carbon black, silica, white carbon black or mica powder, has the particle size of 50-80um, increases the wear resistance of the brake pad, and prolongs the service life of the brake pad.
In addition, the surface of wear-resisting packing layer 24 still is provided with a plurality of even equidistance arrangement's non-slip raised pieces 25, and non-slip raised pieces 25 adopt anti-slip rubber material to make, and the protruding height is 2-4mm, can prevent that the brake block from sliding in the braking process, has further improved the security of braking.
It should be noted that the anti-slip groove 30 is one third of the thickness of the brake pad 20.
The working principle of the multi-groove damping drum brake pad is as follows:
(1) Hoof iron sheet 10: is a major working part with a mounting slide 11 on the outer wall and a locking screw hole 12 on the surface. The sliding bar 11 is installed to increase friction between the brake pad 20 and the shoe pad 10 to prevent sliding during braking. The locking screw hole 12 is used for fixing the brake friction plate 20.
(2) Brake pads 20: comprising an inner steel fiber net layer 21 and an outer shock absorbing and anti-skid layer 23. The steel fiber net layer 21 and the installation chute 22 arranged on the side contacted with the shoe 10 can be matched with the section size of the installation slide 11 and realize sliding fit. This allows the brake pad 20 to slide on the shoe 10 in the direction of the installation slide 11, improving stability, and facilitating installation or removal.
(3) Anti-slip groove 30: the plurality of anti-slip grooves 30 which are uniformly and equidistantly arranged are formed on the surface of the brake friction plate 20, so that the roughness of the surface of the brake friction plate 20 can be increased, the friction force with wheels can be increased, and the braking performance can be improved.
During the braking process, the shock-absorbing and anti-slip layer 23 can absorb part of shock and slip, thereby improving the stability during the braking process. At the same time, the friction between the steel fiber mesh layer 21 and the shoe 10 provides the main braking force, and the stability is improved by the cooperation of the installation slide 11 and the installation chute 22.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a multislot shock-absorbing drum brake block, includes shoe piece (10) and installs brake friction piece (20) on shoe piece (10) surface, its characterized in that: a plurality of anti-slip grooves (30) which are uniformly and equidistantly arranged are formed in the surface of the brake friction plate (20);
A plurality of mounting sliding strips (11) which are uniformly and equidistantly arranged in an arc shape along the radial direction are arranged on the outer wall of the hoof iron sheet (10), and locking screw holes (12) are formed in the surface of the hoof iron sheet (10);
The brake friction plate (20) comprises a steel fiber net layer (21) arranged on the inner layer and a damping anti-slip layer (23) arranged on the outer layer, and a mounting chute (22) matched with the section size of the mounting slide bar (11) in a sliding manner is formed in one side, contacted with the hoof iron plate (10), of the steel fiber net layer (21).
2. The multi-groove shock absorbing drum brake pad of claim 1, wherein: the brake friction plate (20) is connected to the shoe iron plate (10) through the locking screw hole (12) by the locking bolt (13) in a threaded mode.
3. The multi-groove shock absorbing drum brake pad of claim 1, wherein: the installation slide bar (11) and the installation slide groove (22) are matched in size and are of isosceles trapezoid structures in section.
4. The multi-groove shock absorbing drum brake pad of claim 1, wherein: and a wear-resistant filler layer (24) is arranged in the shock absorption anti-slip layer (23).
5. The multi-groove shock absorbing drum brake pad of claim 4, wherein: the wear-resistant filler layer (24) adopts carbon black, silica, white carbon black or mica powder, and the particle size is 50-80 mu m.
6. The multi-groove shock absorbing drum brake pad of claim 4, wherein: the surface of the wear-resistant filler layer (24) is also provided with a plurality of anti-skidding bulges (25) which are uniformly and equidistantly arranged.
7. The multi-groove shock absorbing drum brake shoe of claim 6, wherein: the anti-slip protrusions (25) are made of anti-slip rubber materials, and the heights of the protrusions are 2-4mm.
8. The multi-groove shock absorbing drum brake pad of claim 1, wherein: the anti-slip groove (30) is one third of the thickness of the brake friction plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184037.8U CN221278308U (en) | 2023-11-24 | 2023-11-24 | Multi-groove damping drum brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184037.8U CN221278308U (en) | 2023-11-24 | 2023-11-24 | Multi-groove damping drum brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221278308U true CN221278308U (en) | 2024-07-05 |
Family
ID=91690908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323184037.8U Active CN221278308U (en) | 2023-11-24 | 2023-11-24 | Multi-groove damping drum brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221278308U (en) |
-
2023
- 2023-11-24 CN CN202323184037.8U patent/CN221278308U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |