Noise-reduction bearing dust cover

Abstract

The utility model discloses a noise reduction bearing dust cover which comprises a dust cover body, an annular noise reduction plate is arranged at the bottom end of the dust cover body, a rubber gasket is installed at the end, away from the dust cover body, of the annular noise reduction plate, a noise reduction channel is formed in the annular noise reduction plate, and noise reduction through holes are formed in the inner wall of the annular noise reduction plate at equal intervals. One end of each noise reduction through hole extends into the corresponding noise reduction channel, the included angle between every two adjacent noise reduction through holes is 12 degrees, the dustproof cover body is made of low-carbon steel, the thickness of the dustproof cover body is larger than that of the annular noise reduction plate, and the annular noise reduction plate is of a structure with the wide upper portion and the narrow lower portion. The plane where the inner wall of the annular noise reduction plate is located is coplanar with the plane where the inner wall of the dustproof cover body is located. According to the bearing dustproof cover, the overall design structure of the dustproof cover is simplified, the production efficiency of the dustproof cover is improved, the noise reduction performance of the bearing dustproof cover is improved, the dustproof cover has good strength and corrosion resistance, and the service life of the bearing dustproof cover is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical components, in particular to a noise-reducing bearing dust cover. Background Art

[0002] As a key component in mechanical equipment, the operating condition of bearings directly affects the performance and life of the entire machine. However, in actual applications, bearings are often subject to increased wear due to the intrusion of external pollutants such as dust and impurities, which in turn causes problems such as increased noise and shortened life. Therefore, the development of a noise-reducing bearing dust cover is of great practical significance.

[0003] Reference announcement number CN212672248U is a noise reduction bearing dust cover, which includes a dust cover body, the dust cover body includes an annular frame, an annular groove is provided on the annular frame, a silencer plate group is provided in the annular groove, the cross section of the silencer plate group is wavy, a sealing frame is provided on the annular groove, a clamp is provided on the sealing frame, a bayonet adapted to the clamp is provided on the annular groove, a plurality of through holes are provided on the sealing frame, a plurality of fiber filaments are provided in the through holes, the annular frame One end of the bearing is provided with an inner folding edge, and a flexible ring is provided on the inner folding edge. The other end of the annular skeleton is provided with an outer folding edge. The bearing dust cover is provided with an annular groove, and a silencer plate group is provided in the annular groove, which can absorb noise and better absorb noise to achieve the effect of noise reduction. According to the above, although the dust cover can be well applied, the overall design structure of the dust cover is usually more complicated, and it is not easy to manufacture the dust cover, which affects the production efficiency of the dust cover and often troubles users. Utility Model Content

[0004] The purpose of the present utility model is to provide a noise-reducing bearing dust cover to solve the problem in the above-mentioned background technology that although the dust cover can be well applied, the overall design structure of the dust cover is usually relatively complex, and it is not easy to manufacture the dust cover, which affects the production efficiency of the dust cover.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise-reducing bearing dust cover, comprising a dust cover body, an annular noise reduction plate is provided at the bottom end of the dust cover body, a rubber gasket is installed at one end of the annular noise reduction plate away from the dust cover body, a noise reduction channel is provided inside the annular noise reduction plate, and noise reduction through holes are provided at equal intervals on the inner wall of the annular noise reduction plate, one end of the noise reduction through hole extends to the interior of the noise reduction channel, and the angle between adjacent noise reduction through holes is twelve degrees.

[0006] Preferably, the material structure of the dust cover body is set to low carbon steel, and the thickness of the dust cover body is greater than the thickness of the annular noise reduction plate. By using low carbon steel to make the dust cover body, the dust cover body has good strength and corrosion resistance.

[0007] Preferably, the annular noise reduction plate is arranged in a structure that is wide at the top and narrow at the bottom, and the plane where the inner wall of the annular noise reduction plate is located is coplanar with the plane where the inner wall of the dust cover body is located. By making the plane where the inner wall of the annular noise reduction plate is located coplanar with the plane where the inner wall of the dust cover body is located, it is easy to place the dust cover as a whole on the outside of the inner ring of the bearing.

[0008] Preferably, the material structure of the annular noise reduction plate is set to polyester fiber, and the thickness of the annular noise reduction plate is greater than the thickness of the rubber gasket. By using polyester fiber to set the annular noise reduction plate, the noise reduction performance of the dust cover is improved.

[0009] Preferably, the number of the noise reduction through holes is thirty, and the noise reduction channel is arranged in a ring structure, which is connected to the noise reduction channel through multiple noise reduction through holes to further improve the noise reduction performance of the dust cover.

[0010] Preferably, the material structure of the rubber gasket is set to hydrogenated nitrile rubber, and the plane where the inner wall of the rubber gasket is located is coplanar with the plane where the inner wall of the annular noise reduction plate is located. By using hydrogenated nitrile rubber to make the rubber gasket, the rubber gasket has excellent corrosion resistance, tear resistance and compression deformation resistance.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the noise-reducing bearing dust cover not only simplifies the overall design structure of the dust cover to improve the production efficiency of the dust cover, but also improves the noise reduction performance of the bearing dust cover, and makes the dust cover have good strength and corrosion resistance to extend the service life of the bearing dust cover;

[0012] (1) By assembling the dust cover body, the annular noise reduction plate, and the rubber gasket from top to bottom to form the main body of the dust cover, the overall design structure of the dust cover can be greatly simplified, thereby facilitating the manufacturing and processing of the dust cover, thereby improving the production efficiency of the dust cover when in use;

[0013] (2) By using polyester fiber to set up an annular noise reduction plate, and setting noise reduction holes and noise reduction channels inside the annular noise reduction plate, the purpose of sound absorption and noise reduction can be achieved. In addition, a rubber gasket is set at the bottom end of the annular noise reduction plate to reduce the vibration transmission between the dust cover and the bearing seat, thereby further improving the noise reduction performance of the bearing dust cover;

[0014] (3) By using low carbon steel to make the dust cover body, the dust cover body has good strength and corrosion resistance, so that the dust cover can withstand a certain amount of pressure and impact, reducing the phenomenon of damage to the dust cover after long-term use, thereby extending the service life of the bearing dust cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the annular noise reduction plate of the utility model from a top view.

[0019] In the figure: 1. Dust cover body; 2. Annular noise reduction plate; 201. Noise reduction through hole; 202. Noise reduction channel; 3. Rubber gasket. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides an embodiment of a noise-reducing bearing dust cover, comprising a dust cover body 1, wherein the material structure of the dust cover body 1 is set to be low carbon steel, and the thickness of the dust cover body 1 is greater than the thickness of the annular noise reduction plate 2;

[0022] When in use, the dust cover body 1 is made of low carbon steel so that the dust cover body 1 has good strength and corrosion resistance;

[0023] An annular noise reduction plate 2 is provided at the bottom end of the dust cover body 1. The annular noise reduction plate 2 is arranged in a structure that is wide at the top and narrow at the bottom. The plane where the inner wall of the annular noise reduction plate 2 is located is coplanar with the plane where the inner wall of the dust cover body 1 is located.

[0024] When in use, the plane where the inner wall of the annular noise reduction plate 2 is located is coplanar with the plane where the inner wall of the dust cover body 1 is located, so that the dust cover as a whole can be easily placed on the outer side of the bearing inner ring;

[0025] The material structure of the annular noise reduction plate 2 is set to polyester fiber, and the thickness of the annular noise reduction plate 2 is greater than the thickness of the rubber gasket 3;

[0026] When in use, the noise reduction performance of the dust cover is improved by setting a ring-shaped noise reduction plate 2 using polyester fiber;

[0027] A rubber gasket 3 is installed at one end of the annular noise reduction plate 2 away from the dust cover body 1. The material structure of the rubber gasket 3 is set to hydrogenated nitrile rubber. The plane where the inner wall of the rubber gasket 3 is located is coplanar with the plane where the inner wall of the annular noise reduction plate 2 is located.

[0028] When in use, the rubber gasket 3 is made of hydrogenated nitrile rubber, so that the rubber gasket 3 has excellent corrosion resistance, tear resistance and compression deformation resistance.

[0029] A noise reduction channel 202 is provided inside the annular noise reduction plate 2. Evenly spaced noise reduction through holes 201 are provided on the inner wall of the annular noise reduction plate 2. One end of the noise reduction through hole 201 extends into the interior of the noise reduction channel 202. The angle between adjacent noise reduction through holes 201 is twelve degrees. There are thirty noise reduction through holes 201, and the noise reduction channel 202 is arranged in an annular structure.

[0030] When in use, the noise reduction channel 202 is connected through multiple noise reduction through holes 201 to further improve the noise reduction performance of the dust cover.

[0031] When the embodiment of the present application is in use, first, an annular noise reduction plate 2 is set up with polyester fiber, and a noise reduction through hole 201 and a noise reduction channel 202 are set up in the interior of the annular noise reduction plate 2 to achieve the purpose of sound absorption and noise reduction. Then, a rubber gasket 3 is set at the bottom end of the annular noise reduction plate 2 to reduce the vibration transmission between the dust cover and the bearing seat, so as to further improve the noise reduction performance of the bearing dust cover. Then, the dust cover body 1 is made of low carbon steel, so that the dust cover body 1 has good strength and corrosion resistance, thereby enabling the dust cover to withstand a certain amount of pressure and impact, reducing The dust cover is less likely to be damaged after long-term use. Finally, by combining the dust cover body 1, the annular noise reduction plate 2 and the rubber gasket 3 from top to bottom to form the main part of the dust cover, the overall design structure of the dust cover can be simplified, so that the dust cover can be easily and efficiently produced. In addition, the rubber gasket 3 is made of hydrogenated nitrile rubber, so that the rubber gasket 3 has excellent corrosion resistance, tear resistance and compression deformation resistance, and the rubber gasket 3 has good ozone resistance, sunlight resistance and weather resistance, so as to effectively extend the service life of the rubber gasket 3, thereby completing the use of the bearing dust cover.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0033] While the present invention has been described above with reference to exemplary embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the disclosed embodiments may be combined with one another in any manner. The omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A noise-reducing bearing dust cover, characterized by: It includes a dust cover body (1); An annular noise reduction plate (2) is provided at the bottom end of the dust cover body (1), a rubber gasket (3) is installed at one end of the annular noise reduction plate (2) away from the dust cover body (1), and a noise reduction channel (202) is provided inside the annular noise reduction plate (2); The inner wall of the annular noise reduction plate (2) is provided with noise reduction through holes (201) at equal intervals, one end of the noise reduction through hole (201) extends to the interior of the noise reduction channel (202), and the angle between adjacent noise reduction through holes (201) is twelve degrees.

2. The noise-reducing bearing dust cover according to claim 1, characterized in that: The material structure of the dust cover body (1) is set to low carbon steel, and the thickness of the dust cover body (1) is greater than the thickness of the annular noise reduction plate (2).

3. The noise-reducing bearing dust cover according to claim 1, characterized in that: The annular noise reduction plate (2) is arranged in a structure that is wide at the top and narrow at the bottom, and the plane where the inner wall of the annular noise reduction plate (2) is located is coplanar with the plane where the inner wall of the dust cover body (1) is located.

4. The noise-reducing bearing dust cover according to claim 1, characterized in that: The material structure of the annular noise reduction plate (2) is set to polyester fiber, and the thickness of the annular noise reduction plate (2) is greater than the thickness of the rubber gasket (3).

5. The noise-reducing bearing dust cover according to claim 1, characterized in that: The noise reduction through holes (201) are arranged in thirty numbers, and the noise reduction channel (202) is arranged in a ring structure.

6. The noise-reducing bearing dust cover according to claim 1, characterized in that: The material structure of the rubber gasket (3) is set to hydrogenated nitrile rubber, and the plane where the inner wall of the rubber gasket (3) is located is coplanar with the plane where the inner wall of the annular noise reduction plate (2) is located.

Images