Ultra-silence oil bearing for motor

By designing lubrication mechanisms and heat dissipation components in motor bearings, the problems of poor heat dissipation and insufficient lubrication during long-term operation of motor bearings are solved, effective lubrication and heat dissipation are achieved, and the service life of bearings and lubricating oil is extended, ensuring the normal operation of the motor.

CN223241905UActive Publication Date: 2025-08-19SHENGLONGXING METALLURGICAL AXIS IND (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202422937100.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-08-19
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

During long-term operation of motor bearings, poor heat dissipation or insufficient lubrication are prone to occur, resulting in increased temperature, which will accelerate the aging of lubricant oil and bearing wear, affecting the normal operation of the motor.

Method used

An ultra-silent oil-containing bearing for motors including lubricating mechanisms and heat dissipation components is designed to provide sufficient lubrication through lubricating rings and fan blades, and heat conduction is used to prevent the bearing from overheating.

Benefits of technology

Effectively prevent bearing overheating or stuck due to insufficient lubrication, extend the service life of bearings, extend the service life of lubricating oil, and ensure the normal operation of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motor bearings, in particular to an ultra-silence oil-retaining bearing for a motor, which comprises a shell, a machine body and a main shaft, the rear side of the shell is fixedly connected with the machine body, the inner side of the machine body is rotatably connected with the main shaft, and the outer side of the main shaft is rotatably connected with a lubricating mechanism. The inner side of the bearing fixing seat is fixedly connected with a motor bearing, the front side of the motor bearing is rotatably connected with a heat dissipation assembly, the outer side of the heat dissipation assembly is provided with a first sealing ring, the outer side of the first sealing ring is fixedly connected with a protective cover, the inner side of the protective cover is fixedly connected with a second sealing ring, and the outer side of the protective cover is provided with an oil injection nozzle; according to the utility model, through the design of the lubricating mechanism, sufficient lubrication is provided for the motor bearing when the motor bearing runs at a high speed, the bearing is effectively prevented from being overheated or blocked due to insufficient lubrication, and thus the service life of the bearing is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor bearings, in particular to an ultra-quiet oil-containing bearing for a motor. Background Art

[0002] Motor bearings are one of the most important mechanical components in a motor. They support the motor's rotor and enable it to rotate freely in the stator. Motor bearings are usually required to withstand the high speed and load from the motor as well as the temperature changes in the working environment. Therefore, their selection, design and maintenance are very critical.

[0003] Ultra-quiet oil-containing bearings for motors are a type of bearing designed for motor applications with high requirements for noise and efficiency. They can provide low noise, low vibration and efficient lubrication during long-term operation. They are designed to provide extremely low noise, long service life and better lubrication effect.

[0004] During long-term high-speed operation, ultra-quiet oil-containing bearings for motors may suffer from poor heat dissipation or insufficient lubrication, resulting in a continuous increase in bearing temperature. Excessive temperature will accelerate the aging of the lubricating oil, thereby accelerating the wear of the bearings, and may eventually cause motor failure and affect its normal operation. Therefore, to address the above problems, an ultra-quiet oil-containing bearing for motors is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide an ultra-quiet oil-containing bearing for a motor, so as to solve the problem that the motor bearing may have poor heat dissipation or insufficient lubrication during long-term operation, resulting in a continuous increase in the bearing temperature. Excessive temperature will accelerate the aging of the lubricating oil, and then accelerate the wear of the bearing, which may eventually lead to motor failure, affecting its normal operation and affecting the normal operation of the motor.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] An ultra-quiet oil-containing bearing for a motor comprises a shell, a body and a main shaft, wherein the rear side of the shell is fixedly connected to the body, the inner side of the body is rotatably connected to the main shaft, the outer side of the main shaft is rotatably connected to a lubrication mechanism, the lubrication mechanism comprises a bearing fixing seat, the inner side of the bearing fixing seat is fixedly connected to a motor bearing, the front side of the motor bearing is rotatably connected to a heat dissipation component, a first sealing ring is provided on the outer side of the heat dissipation component, a protective cover is fixedly connected to the outer side of the first sealing ring, a second sealing ring is fixedly connected to the inner side of the protective cover, an oiling nozzle is provided on the outer side of the protective cover, the heat dissipation component comprises a lubricating ring, the rear end of the lubricating ring is rotatably connected to a fan blade, the rear end of the fan blade is fixedly connected to a lubricating block, and the rear end of the lubricating ring is fixedly connected to a limiting block.

[0008] As a further optimization of the present invention, the first sealing ring is projected into a ring shape in the vertical direction, the outer side of the first sealing ring is in contact with the inner side of the protective cover, and the rear end face of the protective cover and the front end face of the bearing fixing seat are in the same plane.

[0009] As a further optimization of this utility model, the inner side of the heat dissipation component is fitted with the outer side of the main shaft, the main shaft, motor bearing and the central axis of the heat dissipation component are on the same straight line, and the rear end face of the heat dissipation component and the front end face of the motor bearing are in the same plane.

[0010] As a further optimization of the present invention, the central axes of the protective cover, the first sealing ring and the second sealing ring are on the same straight line, the outer side of the second sealing ring is in contact with the inner side of the protective cover, and the inner side of the second sealing ring is in contact with the outer side of the main shaft.

[0011] As a further optimization of the present invention, the angle between the oiling nozzle and the main shaft is 90°, and a protective cover is slidably connected to the outer side of the oiling nozzle.

[0012] As a further optimization of the present invention, there are a number of fan blades, lubrication blocks and limit blocks, the fan blades are distributed in a circular array on the rear end face of the lubrication ring, the positions of the lubrication blocks correspond one-to-one to the positions of the fan blades, and the positions of the limit blocks correspond one-to-one to the positions of the fan blades.

[0013] As a further optimization of the present invention, the rear end face of the lubricating block and the front end face of the motor bearing are in the same plane, the rear end face of the limit block and the front end face of the lubricating ring are in the same plane, and the vertical projection of the lubricating ring is a ring.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the utility model, by designing a lubrication mechanism, sufficient lubrication is provided to the motor bearings when they are running at high speed, effectively preventing the bearings from overheating or getting stuck due to insufficient lubrication, thereby extending the service life of the bearings. A heat dissipation component is also integrated in the lubrication mechanism, which uses heat conduction to effectively dissipate the heat generated by the bearings, avoiding aging of the lubricating oil due to excessively high temperatures, thereby extending the service life of the lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation position of the lubrication mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the lubrication mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the exploded structure of the heat dissipation component of the utility model.

[0020] In the figure: 1. Housing; 2. Machine body; 3. Main shaft; 4. Lubrication mechanism; 41. Bearing fixing seat; 42. Motor bearing; 43. Heat dissipation assembly; 431. Lubrication ring; 432. Fan blade; 433. Lubrication block; 434. Limit block; 44. First sealing ring; 45. Protective cover; 46. Second sealing ring; 47. Oiling nozzle. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] An ultra-quiet oil-containing bearing for a motor includes a shell 1, a body 2 and a main shaft 3. The rear side of the shell 1 is fixedly connected to the body 2, the inner side of the body 2 is rotatably connected to the main shaft 3, and the outer side of the main shaft 3 is rotatably connected to a lubrication mechanism 4. The lubrication mechanism 4 includes a bearing fixing seat 41, the inner side of the bearing fixing seat 41 is fixedly connected to a motor bearing 42, the front side of the motor bearing 42 is rotatably connected to a heat dissipation component 43, a first sealing ring 44 is provided on the outer side of the heat dissipation component 43, a protective cover 45 is fixedly connected to the outer side of the first sealing ring 44, a second sealing ring 46 is fixedly connected to the inner side of the protective cover 45, and an oiling nozzle 47 is provided on the outer side of the protective cover 45. The heat dissipation component 43 includes a lubricating ring 431, the rear end of the lubricating ring 431 is rotatably connected to a fan blade 432, the rear end of the fan blade 432 is fixedly connected to a lubricating block 433, and the rear end of the lubricating ring 431 is fixedly connected to a limiting block 434.

[0025] As a further implementation of this solution, the first sealing ring 44 is projected into a ring shape in the vertical direction. The outer side of the first sealing ring 44 is in contact with the inner side of the protective cover 45. The rear end surface of the protective cover 45 and the front end surface of the bearing fixing seat 41 are in the same plane. This design facilitates the contact of the sealing ring and improves the sealing effect of the device.

[0026] As a further implementation of this solution, the inner side of the heat dissipation component 43 is in contact with the outer side of the main shaft 3, the central axis of the main shaft 3, the motor bearing 42 and the heat dissipation component 43 are on the same straight line, and the rear end face of the heat dissipation component 43 and the front end face of the motor bearing 42 are in the same plane. This design can strengthen the mutual coordination between the components and improve the stability of the device.

[0027] As a further implementation of this solution, the central axes of the protective cover 45, the first sealing ring 44 and the second sealing ring 46 are on the same straight line, the outer side of the second sealing ring 46 is in contact with the inner side of the protective cover 45, and the inner side of the second sealing ring 46 is in contact with the outer side of the main shaft 3. This design facilitates the contact of the sealing ring and improves the sealing effect of the device.

[0028] As a further implementation of this solution, the angle between the oiling nozzle 47 and the main shaft 3 is 90 degrees, and a protective cover 45 is slidably connected to the outer side of the oiling nozzle 47. This design facilitates the replenishment of lubricating oil to the lubricating mechanism 4 and improves the sustainability of the component;

[0029] As a further implementation of this solution, a plurality of fan blades 432, lubricating blocks 433 and limiting blocks 434 are provided. The fan blades 432 are distributed in an annular array on the rear end surface of the lubricating ring 431. The positions of the lubricating blocks 433 correspond one-to-one with the positions of the fan blades 432, and the positions of the limiting blocks 434 correspond one-to-one with the positions of the fan blades 432. This design facilitates the mutual cooperation between the components and better achieves the effect of lubrication and heat dissipation.

[0030] As a further implementation of this solution, the rear end face of the lubricating block 433 and the front end face of the motor bearing 42 are in the same plane, the rear end face of the limit block 434 and the front end face of the lubricating ring 431 are in the same plane, and the lubricating ring 431 is projected into a ring shape in the vertical direction. This design is more reasonable, conducive to the mutual cooperation between the various components, and ensures stable operation of the device.

[0031] Working process: When the motor runs at high speed, the main shaft 3 connected to the inner side of the body 2 starts to rotate, and the rotation of the main shaft 3 drives the inner shaft of the motor bearing 42 to rotate. The outer shaft of the motor bearing 42 is fixed on the inner side of the bearing fixing seat 41. A protective cover 45 is installed on the front side of the motor bearing 42. A first sealing ring 44 and a second sealing ring 46 are installed on the inner side of the protective cover 45. The sealing rings arranged on the front and rear sides of the protective cover 45 can effectively prevent the leakage of lubricating oil. An oil storage tank is arranged on the inner side of the protective cover 45. The heat dissipation component 43 is located on the inner side of the protective cover 45. The rotation of the main shaft 3 drives the heat dissipation component 43 to rotate. The high-speed rotating main shaft 3 Centrifugal force is generated, and under the action of centrifugal force, the fan blade 432 installed at the rear end of the lubrication ring 431 pops out, and the rotation of the fan blade 432 drives the lubrication block 433 to rotate. The lubrication block 433 located on the rear end surface of the fan blade 432 lubricates the motor bearing 42, thereby realizing lubrication of the high-speed bearing, reducing the occurrence of bearing overheating or jamming due to insufficient lubrication. The lubrication block 433 is made of heat-conducting material and has good heat conduction characteristics. It plays a role in heat conduction while lubricating, and uses heat conduction to effectively dissipate the heat generated by the bearing to avoid aging of the lubricating oil due to excessive temperature.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultra-quiet oil-containing bearing for a motor, comprising a housing (1), a body (2) and a main shaft (3), characterized in that: The rear side of the housing (1) is fixedly connected to the body (2), the inner side of the body (2) is rotatably connected to a main shaft (3), and the outer side of the main shaft (3) is rotatably connected to a lubrication mechanism (4); The lubricating mechanism (4) comprises a bearing fixing seat (41), a motor bearing (42) is fixedly connected to the inner side of the bearing fixing seat (41), a heat dissipation assembly (43) is rotatably connected to the front side of the motor bearing (42), a first sealing ring (44) is provided on the outer side of the heat dissipation assembly (43), a protective cover (45) is fixedly connected to the outer side of the first sealing ring (44), a second sealing ring (46) is fixedly connected to the inner side of the protective cover (45), and an oiling nozzle (47) is provided on the outer side of the protective cover (45); The heat dissipation assembly (43) comprises a lubricating ring (431), the rear end of the lubricating ring (431) is rotatably connected to a fan blade (432), the rear end of the fan blade (432) is fixedly connected to a lubricating block (433), and the rear end of the lubricating ring (431) is fixedly connected to a limiting block (434).

2. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The first sealing ring (44) is projected in a ring shape in the vertical direction. The outer side of the first sealing ring (44) is in contact with the inner side of the protective cover (45). The rear end face of the protective cover (45) and the front end face of the bearing fixing seat (41) are in the same plane.

3. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The inner side of the heat dissipation component (43) is fitted with the outer side of the main shaft (3); the central axes of the main shaft (3), the motor bearing (42) and the heat dissipation component (43) are on the same straight line; the rear end face of the heat dissipation component (43) and the front end face of the motor bearing (42) are in the same plane.

4. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The central axes of the protective cover (45), the first sealing ring (44) and the second sealing ring (46) are on the same straight line, the outer side of the second sealing ring (46) is in contact with the inner side of the protective cover (45), and the inner side of the second sealing ring (46) is in contact with the outer side of the main shaft (3).

5. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The angle formed between the oiling nozzle (47) and the main shaft (3) is 90 degrees, and a protective cover (45) is slidably connected to the outer side of the oiling nozzle (47).

6. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The fan blades (432), lubricating blocks (433) and limiting blocks (434) are provided in a plurality, and the fan blades (432) are distributed in a ring array on the rear end surface of the lubricating ring (431). The positions of the lubricating blocks (433) correspond one-to-one to the positions of the fan blades (432), and the positions of the limiting blocks (434) correspond one-to-one to the positions of the fan blades (432).

7. The ultra-quiet oil-containing bearing for a motor according to claim 1, characterized in that: The rear end face of the lubricating block (433) and the front end face of the motor bearing (42) are in the same plane, the rear end face of the limiting block (434) and the front end face of the lubricating ring (431) are in the same plane, and the lubricating ring (431) is projected in a ring shape in the vertical direction.