CN211117269U - Noise reduction type automobile brake drum - Google Patents
Noise reduction type automobile brake drum Download PDFInfo
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- CN211117269U CN211117269U CN201921201986.3U CN201921201986U CN211117269U CN 211117269 U CN211117269 U CN 211117269U CN 201921201986 U CN201921201986 U CN 201921201986U CN 211117269 U CN211117269 U CN 211117269U
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- brake drum
- noise reduction
- noise
- automobile brake
- type automobile
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Abstract
The utility model relates to the technical field of brake drums, in particular to a noise reduction type automobile brake drum; by adopting the structure that the noise reduction surface is arranged on the other side of the upper part of the drum body, the noise transmitted from the noise elimination hole is filtered by utilizing the sound absorption cotton arranged in the annular groove on the upper part of the noise reduction surface, so that the problem that the existing brake drum generates high-frequency noise in the use process is solved; adopt work surface internal surface one side is provided with the structure that stores up the dirty groove, accomodates the impurity that produces between lining piece and the brake drum through storing up dirty groove to reduce the abnormal wear between lining piece and the brake drum, thereby avoided the noise that produces because of the friction of impurity to a certain extent, promoted driving safety.
Description
Technical Field
The utility model relates to a brake drum technical field especially relates to a type of making an uproar automobile brake drum falls.
Background
At present, because the brake drum has good self-braking performance, it is mainly applied to heavy-duty car, however current brake drum often can produce the noise of high frequency in the use to make the brake drum shake, the fracture inefficacy of brake drum easily causes in the time of a long time, thereby influence driving safety's problem.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a noise reduction type automobile brake drum aiming at the technical defects, the other side of the upper part of the drum body is provided with a noise reduction surface, and the noise transmitted from the silencing hole is filtered by utilizing the sound absorption cotton arranged in the annular groove at the upper part of the noise reduction surface, so that the problem that the existing brake drum can generate high-frequency noise in the using process is solved; adopt work surface internal surface one side is provided with the structure that stores up the dirty groove, accomodates the impurity that produces between lining piece and the brake drum through storing up dirty groove to reduce the abnormal wear between lining piece and the brake drum, thereby avoided the noise that produces because of the friction of impurity to a certain extent, promoted driving safety.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a drum body; an installation surface is arranged on one side of the upper part of the drum body; the other side of the upper part of the drum body is provided with a noise reduction surface; a working surface is arranged between the mounting surface and the noise reduction surface; the mounting surface, the noise reduction surface and the working surface are integrally cast.
Further optimizing the technical scheme, the mounting surface is integrally in a trapezoidal shape; and mounting holes are uniformly formed in the periphery of the upper part of the mounting surface.
Further optimizing the technical scheme, the upper part of the noise reduction surface is provided with an annular groove; the annular groove is internally provided with sound-absorbing cotton.
Further optimizing the technical scheme, spherical grooves are uniformly arranged on the outer surface of the working surface; a scale storage groove is formed in one side of the inner surface of the working face; and a silencing hole is formed in one side of the scale storage groove.
Compared with the prior art, the utility model has the advantages of it is following: 1. the upper part of the noise reduction surface is provided with an annular groove, and the structure can facilitate the replacement of the sound absorption cotton; 2. the sound absorption cotton is arranged in the annular groove, so that the structure can effectively reduce the transmission of high-frequency noise; 3. the outer surface of the working surface is uniformly provided with spherical grooves, and the structure can improve the heat dissipation effect of the brake drum.
Drawings
FIG. 1 is a schematic view of the overall structural outer surface of a noise reduction type automobile brake drum.
Fig. 2 is a schematic front view of the overall structure of a noise reduction type automobile brake drum.
FIG. 3 is a schematic view of the inner surface of the overall structure of a noise reduction type automobile brake drum.
In the figure: 1. a drum body; 2. a mounting surface; 3. a noise reduction surface; 4. a working surface; 201. mounting holes; 301. an annular groove; 302. sound-absorbing cotton; 401. a spherical recess; 402. a scale storage tank; 403. a silencing hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: as shown in connection with fig. 1-3, comprises a drum body 1; a mounting surface 2 is arranged on one side of the upper part of the drum body 1; the other side of the upper part of the drum body 1 is provided with a noise reduction surface 3; a working surface 4 is arranged between the mounting surface 2 and the noise reduction surface 3; the mounting surface 2, the noise reduction surface 3 and the working surface 4 are integrally cast; the mounting surface 2 is integrally in a trapezoidal shape; mounting holes 201 are uniformly formed in the periphery of the upper part of the mounting surface 2; an annular groove 301 is formed in the upper portion of the noise reduction surface 3; sound absorption cotton 302 is arranged in the annular groove 301; spherical grooves 401 are uniformly formed in the outer surface of the working surface 4; a scale storage groove 402 is formed in one side of the inner surface of the working surface 4; a silencing hole 403 is formed in one side of the scale storage groove 402.
When in use, as shown in fig. 1-3, when a user uses the brake drum of the present invention, the mounting hole 201 on the upper portion of the mounting surface 2 is fixed on the upper portion of the axle by a nut, so that the axle drives the brake drum to rotate, and some impurities are easily generated inside the brake drum along with long-time friction between the brake drum and the brake pad, for this reason, a dirt storage groove 402 in a V shape is provided inside the brake drum, so that some impurities can fall into the dirt storage groove 402, and when the brake drum brakes, high frequency noise is usually generated, so that the brake drum is easily damaged, so that the brake drum fails, for this reason, a silencing hole is provided inside the silencing surface of the brake drum, an annular groove 301 is further provided on the upper portion of the silencing surface, and the sound absorbing cotton 302 is provided inside the annular groove 301, so as to effectively absorb the noise generated by the brake drum during braking, and at the surface of brake drum working face 4, evenly be provided with spherical recess 401, when the brake drum carries out spray cooling, can make cooling water prolong at brake drum upper portion dwell time to promote the cooling effect of cooling water, also reduce the loss of cooling water.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. The utility model provides a type of making an uproar automobile brake drum falls which characterized in that: comprises a drum body (1); a mounting surface (2) is arranged on one side of the upper part of the drum body (1); the other side of the upper part of the drum body (1) is provided with a noise reduction surface (3); a working surface (4) is arranged between the mounting surface (2) and the noise reduction surface (3); the mounting surface (2), the noise reduction surface (3) and the working surface (4) are integrally cast.
2. The noise reduction type automobile brake drum according to claim 1, wherein: the mounting surface (2) is integrally in a trapezoidal shape; and mounting holes (201) are uniformly formed in the periphery of the upper part of the mounting surface (2).
3. The noise reduction type automobile brake drum according to claim 1, wherein: an annular groove (301) is formed in the upper portion of the noise reduction surface (3); the sound absorption cotton (302) is arranged in the annular groove (301).
4. The noise reduction type automobile brake drum according to claim 1, wherein: spherical grooves (401) are uniformly formed in the outer surface of the working surface (4); a scale storage groove (402) is formed in one side of the inner surface of the working surface (4); and a silencing hole (403) is formed in one side of the scale storage groove (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201986.3U CN211117269U (en) | 2019-07-29 | 2019-07-29 | Noise reduction type automobile brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201986.3U CN211117269U (en) | 2019-07-29 | 2019-07-29 | Noise reduction type automobile brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117269U true CN211117269U (en) | 2020-07-28 |
Family
ID=71694804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201986.3U Active CN211117269U (en) | 2019-07-29 | 2019-07-29 | Noise reduction type automobile brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915259A (en) * | 2021-10-22 | 2022-01-11 | 河北百龙汽车配件股份有限公司 | Noise reduction type automobile brake drum |
-
2019
- 2019-07-29 CN CN201921201986.3U patent/CN211117269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915259A (en) * | 2021-10-22 | 2022-01-11 | 河北百龙汽车配件股份有限公司 | Noise reduction type automobile brake drum |
| CN113915259B (en) * | 2021-10-22 | 2024-02-09 | 河北百龙汽车配件股份有限公司 | Noise-reduction type automobile brake drum |
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