Low-noise deep groove ball bearing

Abstract

The utility model provides a low-noise deep groove ball bearing, which relates to the field of deep groove ball bearings, and comprises an outer ring assembly, the outer ring assembly comprises a bearing outer ring, an inner ring assembly is arranged in the outer ring assembly, the inner ring assembly comprises a bearing inner ring, a blocking assembly is arranged between the outer ring assembly and the inner ring assembly, and the blocking assembly is arranged between the outer ring assembly and the inner ring assembly. The number of the blocking assemblies is two, and balls are movably installed between the bearing outer ring and the bearing inner ring at equal intervals. According to the bearing, the bearing outer ring and the bearing inner ring are assembled by installing the balls, the surfaces of the balls are installed in the inner walls of the first circular groove and the second circular groove, and the balls are fixed again through the retainer, so that the bearing is more stable; through movable connection between the first sliding groove and the first sliding block and movable installation between the second sliding groove and the second sliding block, the blocking block is installed between the bearing outer ring and the bearing inner ring to block dust, and sound is absorbed through the sound absorption plate body fixedly installed in the blocking block.

Description

Technical Field

[0001] The utility model relates to the technical field of deep groove ball bearings, in particular to a low-noise deep groove ball bearing. Background Art

[0002] Deep groove ball bearings are the most representative rolling bearings with a wide range of uses. They are suitable for high and even extremely high speed operation, and are very durable and do not require frequent maintenance. This type of bearing has a small friction coefficient, a high limit speed, a simple structure, a low manufacturing cost, and is easy to achieve high manufacturing precision. With a variety of size ranges and forms, they are used in precision instruments, low-noise motors, automobiles, motorcycles, and general machinery, and are the most widely used type of bearing in the machinery industry.

[0003] In the prior art, during the operation of the deep groove ball bearing, dust will fall into the inside of the bearing, which will affect the operation of the bearing and generate a certain amount of noise during the operation. It is difficult for the bearing to absorb the sound, so an improvement is proposed, and a low-noise deep groove ball bearing is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low-noise deep groove ball bearing, comprising: an outer ring assembly, the outer ring assembly comprises a bearing outer ring, an inner ring assembly is arranged inside the outer ring assembly, the inner ring assembly comprises a bearing inner ring, a blocking assembly is arranged between the outer ring assembly and the inner ring assembly, and the number of the blocking assemblies is two, a spherical ball is movably installed between the bearing outer ring and the bearing inner ring at an equal distance, a retaining frame is movably installed on the surface of the spherical ball, and the number of the retaining frames is two.

[0006] As a preferred embodiment, a circular groove 1 is provided on the surface of the inner wall of the outer ring of the bearing, and sliding grooves 1 are provided at both ends of the inner wall of the outer ring of the bearing, and the number of the sliding grooves 1 is two.

[0007] As a preferred embodiment, a second circular groove is provided on the surface of the inner ring of the bearing, and two slide grooves are provided at both ends of the surface of the second circular groove, and the number of the second slide grooves is two.

[0008] As a preferred embodiment, the blocking assembly includes a blocking block, a slider 1 is fixedly installed on one side of the surface of the blocking block, and the surface of the slider 1 is movably installed on the inner wall of the slide groove 1, and a slider 2 is fixedly installed on the other side of the surface of the blocking block, and the surface of the slider 2 is movably installed on the inner wall of the slide groove 2.

[0009] As a preferred implementation, a sound absorbing board body is fixedly installed inside the sliding block 2, and the sound absorbing board body is made of a sound absorbing board.

[0010] As a preferred embodiment, the surface of the ball is movably mounted on the inner wall of the second circular groove, the surface of the ball is movably mounted on the inner wall of the first circular groove, and the surface of the ball is movably mounted between the two retaining frames).

[0011] As a preferred embodiment, circular holes are formed at equal intervals on the surface of the retaining frame, and fixing rods are movably embedded in the surfaces of the circular holes.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the deep groove ball bearing is connected together by the round groove 1 opened on the inner wall of the outer ring of the bearing and the round groove 2 opened on the surface of the inner ring of the bearing, and at the same time, a plurality of round balls are clamped from the upper and lower directions by two retaining frames, and are movably installed inside the round hole through a fixing rod, so that the fixing rod is embedded in the round hole opened on the surface of the retaining frame, so that the bearing can be stably assembled, according to the slider 1 and the slider 2 fixedly installed on the surface of the blocking block, the surface of the slider 1 is movably installed on the inner wall of the slide groove 1 opened on the outer ring of the bearing, and the surface of the slider 2 is movably installed on the inner wall of the slide groove 2 opened on the inner ring of the bearing, so that the bearing can achieve a good sealing effect during use, so that the bearing can block dust and fine particles in the air, and the bearing is more stable and more perfect.

[0014] 2. In the utility model, the sound is generated due to friction during the operation of the bearing. The sound-absorbing board body fixedly installed inside the blocking block is made of a sound-absorbing board, which is an ideal sound-absorbing material. Its sound-absorbing principle is achieved through acoustic impedance matching and multiple reflections, refractions and attenuation of sound waves. It has the advantages of sound absorption, environmental protection, flame retardancy, heat insulation, heat preservation, moisture resistance, mildew resistance, easy dust removal, easy cutting, parquet, simple construction, good stability, good impact resistance, good independence, high cost performance, etc. The sound generated by the operation of the bearing is absorbed by the sound-absorbing board, so that the sound generated by the bearing during operation can be better absorbed and processed, making the bearing more perfect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A side view of a low-noise deep groove ball bearing provided by the utility model;

[0016] Figure 2 A cutting diagram of the outer ring of a low-noise deep groove ball bearing provided by the utility model;

[0017] Figure 3 A side view of the inner ring of a low-noise deep groove ball bearing provided by the utility model;

[0018] Figure 4 A side view of a fixing ring of a low-noise deep groove ball bearing provided by the utility model;

[0019] Figure 5 A cutting diagram of a blocking component of a low-noise deep groove ball bearing provided by the utility model.

[0020] Legend:

[0021] 1. Outer ring assembly; 101. Bearing outer ring; 102. Circular groove 1; 103. Slide groove 1; 2. Inner ring assembly; 201. Bearing inner ring; 202. Circular groove 2; 203. Slide groove 2; 3. Blocking assembly; 301. Blocking block; 302. Slider 1; 303. Slider 2; 304. Sound absorbing board body; 4. Round ball; 5. Cage; 6. Round hole; 7. Fixing rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a low-noise deep groove ball bearing, comprising: an outer ring assembly 1, the outer ring assembly 1 includes a bearing outer ring 101, an inner ring assembly 2 is arranged inside the outer ring assembly 1, the inner ring assembly 2 includes a bearing inner ring 201, a blocking assembly 3 is arranged between the outer ring assembly 1 and the inner ring assembly 2, and the number of the blocking assemblies 3 is two, a ball 4 is movably installed between the bearing outer ring 101 and the bearing inner ring 201 at an equal distance, a retainer 5 is movably installed on the surface of the ball 4, and the number of the retainer 5 is two.

[0024] Specifically, a plurality of balls 4 are movably mounted between the bearing outer ring 101 and the bearing inner ring 201 , and the balls 4 are fixed by a retaining frame 5 , so that the bearing can be more stable.

[0025] In one embodiment, a circular groove 102 is formed on the inner wall of the bearing outer ring 101, and sliding grooves 103 are formed at two ends of the inner wall of the bearing outer ring 101. The number of the sliding grooves 103 is two.

[0026] Specifically: the two slide grooves 103 provided at both ends of the inner wall surface of the bearing outer ring 101 enable the bearing outer ring 101 to be better assembled with other components.

[0027] In one embodiment, a second circular groove 202 is formed on the surface of the bearing inner ring 201 , and second sliding grooves 203 are formed at two ends of the surface of the second circular groove 202 , and the number of the second sliding grooves 203 is two.

[0028] Specifically: the two slide grooves 203 provided at both ends of the inner wall surface of the bearing inner ring 201 enable the bearing inner ring 201 to be better assembled with other components.

[0029] In one embodiment, the blocking component 3 includes a blocking block 301, a slider 1 302 is fixedly installed on one side of the surface of the blocking block 301, and the surface of the slider 1 302 is movably installed on the inner wall of the slide groove 103, and a slider 2 303 is fixedly installed on the other side of the surface of the blocking block 301, and the surface of the slider 2 303 is movably installed on the inner wall of the slide groove 203.

[0030] Specifically: the surface of the slider 1 302 is movably installed on the inner wall of the slide groove 103, so that the outer ring 101 of the bearing and the blocking block 301 are better assembled together; the surface of the slider 2 303 is movably installed on the inner wall of the slide groove 203, so that the inner ring 201 of the bearing and the blocking block 301 are better assembled together, so that the bearing can block external dust and dirt during operation, making the bearing more perfect.

[0031] In one embodiment, a sound absorbing board body 304 is fixedly installed inside the second slider 303 , and the material of the sound absorbing board body 304 is a sound absorbing board.

[0032] Specifically: the sound-absorbing board body 304 fixedly installed inside the slider 2 303 is made of a sound-absorbing board, which is an ideal sound-absorbing material. Its sound-absorbing principle is achieved through acoustic impedance matching and multiple reflections, refractions and attenuation of sound waves. It has the advantages of sound absorption, environmental protection, flame retardancy, heat insulation, heat preservation, moisture resistance, mildew resistance, easy dust removal, easy cutting, parquet, simple construction, good stability, good impact resistance, good independence, high cost performance, etc., so that the sound generated by the bearing during operation can be better absorbed and better processed.

[0033] In one embodiment, the surface of the ball 4 is movably mounted on the inner wall of the second circular groove 202 , the surface of the ball 4 is movably mounted on the inner wall of the first circular groove 102 , and the surface of the ball 4 is movably mounted between the two retaining frames 5 .

[0034] Specifically: the ball 4 is installed between the circular groove 102 and the circular groove 202, and the ball 4 is covered by two retaining frames 5, so that the ball 4 can be installed between the circular groove 102 and the circular groove 202 more stably.

[0035] In one embodiment, circular holes 6 are formed at equal intervals on the surface of the retaining frame 5 , and fixing rods 7 are movably embedded in the surface of the circular holes 6 .

[0036] Specifically: by embedding each fixing rod 7 into the inner wall of the circular hole 6, the installation of the ball 4 between the two retaining frames 5 is more stable.

[0037] Working principle: The deep groove ball bearing is connected by the round groove 102 opened on the inner wall of the outer ring 101 of the bearing and the round groove 202 opened on the surface of the inner ring 201 of the bearing, and at the same time, multiple round balls 4 are clamped from the upper and lower directions by two retaining frames 5, and are movably installed inside the round hole 6 through the fixing rod 7, so that the fixing rod 7 is embedded in the round hole 6 opened on the surface of the retaining frame 5, so that the bearing can be stably assembled. According to the slider 1 302 and the slider 2 303 fixedly installed on the surface of the blocking block 301, the surface of the slider 1 302 The surface of the slider 303 is movably mounted on the inner wall of the slide groove 103 opened on the outer ring 101 of the bearing, and the slider 203 is movably mounted on the inner wall of the slide groove 203 opened on the inner ring 201 of the bearing, so that the bearing can achieve a good sealing effect during use, so that the bearing can block dust and fine particles in the air, making the bearing more stable and more perfect; the sound will be generated during the operation of the bearing due to friction, and the sound-absorbing board body 304 fixedly installed inside the blocking block 301 is made of a sound-absorbing board, which is an ideal sound-absorbing material. Its sound absorption principle is achieved through acoustic impedance matching and multiple reflections, refractions and attenuation of sound waves. It has the advantages of sound absorption, environmental protection, flame retardancy, heat insulation, heat preservation, moisture resistance, mildew resistance, easy dust removal, easy cutting, parquet, simple construction, good stability, good impact resistance, good independence, high cost performance, etc. The sound generated by the operation of the bearing is absorbed by the sound-absorbing board, so that the sound generated by the bearing during operation can be better absorbed and processed, making the bearing more perfect.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A low-noise deep groove ball bearing, characterized in that: include: An outer ring assembly (1), wherein the outer ring assembly (1) comprises a bearing outer ring (101), an inner ring assembly (2) is arranged inside the outer ring assembly (1), and the inner ring assembly (2) comprises a bearing inner ring (201), a blocking assembly (3) is arranged between the outer ring assembly (1) and the inner ring assembly (2), and the number of the blocking assemblies (3) is two, and a spherical ball (4) is movably installed at an equal distance between the bearing outer ring (101) and the bearing inner ring (201), and a retaining frame (5) is movably installed on the surface of the spherical ball (4), and the number of the retaining frame (5) is two.

2. A low-noise deep groove ball bearing according to claim 1, characterized in that: A circular groove (102) is provided on the surface of the inner wall of the bearing outer ring (101), and sliding grooves (103) are provided at both ends of the inner wall of the bearing outer ring (101), and the number of the sliding grooves (103) is two.

3. A low noise deep groove ball bearing according to claim 1, characterized in that: A second circular groove (202) is provided on the surface of the bearing inner ring (201), and two sliding grooves (203) are provided at both ends of the surface of the second circular groove (202), and the number of the second sliding grooves (203) is two.

4. A low-noise deep groove ball bearing according to claim 1, characterized in that: The blocking assembly (3) comprises a blocking block (301), a slider 1 (302) being fixedly mounted on one side of the surface of the blocking block (301), the surface of the slider 1 (302) being movably mounted on the inner wall of the slide groove 1 (103), and a slider 2 (303) being fixedly mounted on the other side of the surface of the blocking block (301), the surface of the slider 2 (303) being movably mounted on the inner wall of the slide groove 2 (203).

5. A low noise deep groove ball bearing according to claim 4, characterized in that: A sound absorbing board body (304) is fixedly installed inside the second sliding block (303), and the sound absorbing board body (304) is made of a sound absorbing board.

6. A low noise deep groove ball bearing according to claim 1, characterized in that: The surface of the ball (4) is movably mounted on the inner wall of the second circular groove (202), the surface of the ball (4) is movably mounted on the inner wall of the first circular groove (102), and the surface of the ball (4) is movably mounted between the two retaining frames (5).

7. A low noise deep groove ball bearing according to claim 1, characterized in that: The surface of the retaining frame (5) is provided with circular holes (6) at equal distances, and a fixing rod (7) is movably embedded in the surface of the circular hole (6).

Images