Deep groove ball bearing for motor

Abstract

The utility model relates to the technical field of bearings, and discloses a deep groove ball bearing for a motor, which comprises a first stainless steel inner core, the outer wall of the first stainless steel inner core is fixedly connected with a first aluminum oxide ceramic layer, the inner wall of the first stainless steel inner core is fixedly connected with a second titanium alloy layer, and the inner cavity of the second titanium alloy layer is provided with a second stainless steel inner core. The outer wall of the second stainless steel inner core is fixedly connected with a second aluminum oxide ceramic layer, and the inner wall of the second stainless steel inner core is fixedly connected with a first titanium alloy layer. The deep groove ball bearing for the motor is high in wear resistance, long in service life, capable of effectively prolonging the service life and the maintenance period of the motor, good in heat management capacity, capable of preventing the bearing from being overheated and losing efficacy, and capable of guaranteeing stable operation of the motor. Due to high precision and dynamic balance design, vibration and noise are reduced, and the operation stability of the motor is improved; and excellent sealing and lubricating properties can prevent external impurities from entering, so that the cleanness and stable operation of the bearing are ensured.

Description

Technical Field

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

[0002] Deep groove ball bearings are a type of rolling bearing widely used in various machines and motors. They have a deep groove in which the ball rolls and the inner and outer rings move relative to each other. They are characterized by low friction resistance, high speed, ability to withstand radial loads and bidirectional axial loads, and are suitable for high-speed applications. Deep groove ball bearings have a variety of design types, such as sealed type, type with retaining ring, etc., to meet the needs of different working environments.

[0003] As the core equipment of modern industry, the performance stability and efficiency of motors are of vital importance. As the key components of motors, the performance of deep groove ball bearings directly affects the operation of motors. However, in motor applications, traditional deep groove ball bearings often suffer from problems such as rapid wear, short life and poor stability due to the special working environment and working requirements of motors, such as high-speed operation, continuous high temperature and high load. Therefore, it is necessary to design a deep groove ball bearing specially for motors to improve the performance and reliability of motors. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a deep groove ball bearing for a motor, which has the advantages of good practicality and long service life to solve the above problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deep groove ball bearing for a motor, comprising a first stainless steel inner core, the outer wall of the first stainless steel inner core is fixedly connected with a first alumina ceramic layer, the inner wall of the first stainless steel inner core is fixedly connected with a second titanium alloy layer, the inner cavity of the second titanium alloy layer is provided with a second stainless steel inner core, the outer wall of the second stainless steel inner core is fixedly connected with a second alumina ceramic layer, the inner wall of the second stainless steel inner core is fixedly connected with the first titanium alloy layer, a brass ball seat is provided in the cavity between the second titanium alloy layer and the second alumina ceramic layer, and a tungsten carbide sphere is provided on the brass ball seat.

[0008] Preferably, a rubber layer is provided on the upper outer surface of the brass ball seat, an oil inlet is provided on the upper outer surface of the rubber layer, and lubricating oil is provided in the cavity between the second titanium alloy layer and the second alumina ceramic layer.

[0009] Preferably, the first alumina ceramic layer and the second alumina ceramic layer have high hardness, high wear resistance and good chemical stability, and have a long service life and high load-bearing capacity.

[0010] Preferably, the first titanium alloy layer and the second titanium alloy layer are light, high-strength and corrosion-resistant, the tungsten carbide sphere has high hardness, high strength and good wear resistance, and the brass ball seat has good thermal conductivity.

[0011] Preferably, a circular rubber plug is movably connected to the inner wall of the oil inlet, and the number of rubber layers is two, and the two rubber layers are respectively arranged at the upper end and the lower end of the brass ball seat.

[0012] Preferably, the inner wall of the second titanium alloy layer is provided with a first rolling groove adapted to the tungsten carbide sphere, and the outer wall of the second alumina ceramic layer is provided with a second rolling groove adapted to the tungsten carbide sphere.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a deep groove ball bearing for a motor, which has the following

[0015] Beneficial effects:

[0016] This kind of deep groove ball bearing for motor has the following advantages:

[0017] 1. High wear resistance and long life, effectively extending the service life and maintenance cycle of the motor;

[0018] 2. Good thermal management capabilities to prevent bearing overheating and failure, ensuring stable operation of the motor;

[0019] 3. High precision and dynamic balance design to reduce vibration and noise and improve the running stability of the motor;

[0020] 4. Excellent sealing and lubrication performance, preventing external impurities from entering and ensuring the cleanliness and stable operation of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a deep groove ball bearing for a motor according to the utility model;

[0022] Figure 2 This is a top cross-sectional view of a deep groove ball bearing for a motor according to the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of a first stainless steel inner core in a deep groove ball bearing for a motor according to the utility model;

[0024] Figure 4 The utility model is a schematic structural diagram of a second stainless steel inner core in a deep groove ball bearing for a motor.

[0025] In the figure: 1. first stainless steel inner core; 2. first alumina ceramic layer; 3. second stainless steel inner core; 4. first titanium alloy layer; 5. rubber layer; 6. oil inlet; 7. second titanium alloy layer; 8. second alumina ceramic layer; 9. tungsten carbide sphere; 10. brass ball seat. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-4 A deep groove ball bearing for a motor, comprising a first stainless steel inner core 1, a first alumina ceramic layer 2 is fixedly connected to the outer wall of the first stainless steel inner core 1, a second titanium alloy layer 7 is fixedly connected to the inner wall of the first stainless steel inner core 1, a second stainless steel inner core 3 is arranged in the inner cavity of the second titanium alloy layer 7, a second alumina ceramic layer 8 is fixedly connected to the outer wall of the second stainless steel inner core 3, a first titanium alloy layer 4 is fixedly connected to the inner wall of the second stainless steel inner core 3, a brass ball seat 10 is arranged in the cavity between the second titanium alloy layer 7 and the second alumina ceramic layer 8, and a tungsten carbide sphere 9 is arranged on the brass ball seat 10;

[0028] The design of this deep groove ball bearing for motors cleverly combines a variety of high-performance materials such as stainless steel, alumina ceramics, titanium alloys and tungsten carbide. The combination of these materials gives the bearings excellent performance. Stainless steel and titanium alloys provide strength and corrosion resistance, ensuring the stability and durability of the bearings; alumina ceramics enhance the hardness and wear resistance of the bearings, enabling them to resist wear and friction during high-speed operation; and tungsten carbide spheres, with their extremely high hardness and wear resistance, significantly improve the operating efficiency and life of the bearings. This unique combination of materials not only improves the overall performance of the bearings, but also ensures the reliable operation of the motor in harsh working environments.

[0029] A rubber layer 5 is provided on the upper outer surface of the brass ball seat 10, and an oil inlet 6 is provided on the upper outer surface of the rubber layer 5. Lubricating oil is provided in the cavity between the second titanium alloy layer 7 and the second alumina ceramic layer 8. The setting of the oil inlet facilitates the injection of lubricating oil, ensuring that the bearing is fully lubricated during operation, reducing friction and wear, and extending the service life of the bearing.

[0030] The first alumina ceramic layer 2 and the second alumina ceramic layer 8 have high hardness, high wear resistance and good chemical stability, and have a long service life and high load-bearing capacity. The first titanium alloy layer 4 and the second titanium alloy layer 7 are lightweight, high-strength and corrosion-resistant. The tungsten carbide sphere 9 has high hardness, high strength and good wear resistance. The brass ball seat 10 has good thermal conductivity. The inner wall of the oil inlet 6 is movably connected with a circular rubber plug. There are two rubber layers 5, and the two rubber layers 5 are respectively arranged at the upper and lower ends of the brass ball seat 10. The inner wall of the second titanium alloy layer 7 is provided with a first rolling groove compatible with the tungsten carbide sphere 9, and the outer wall of the second alumina ceramic layer 8 is provided with a second rolling groove compatible with the tungsten carbide sphere 9.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep groove ball bearing for a motor, comprising a first stainless steel inner core (1), characterized in that: The outer wall of the first stainless steel inner core (1) is fixedly connected to a first alumina ceramic layer (2), the inner wall of the first stainless steel inner core (1) is fixedly connected to a second titanium alloy layer (7), the inner cavity of the second titanium alloy layer (7) is provided with a second stainless steel inner core (3), the outer wall of the second stainless steel inner core (3) is fixedly connected to a second alumina ceramic layer (8), the inner wall of the second stainless steel inner core (3) is fixedly connected to the first titanium alloy layer (4), a brass ball seat (10) is provided in the cavity between the second titanium alloy layer (7) and the second alumina ceramic layer (8), a tungsten carbide sphere (9) is provided on the brass ball seat (10), a rubber layer (5) is provided on the upper outer surface of the brass ball seat (10), an oil inlet (6) is provided on the upper outer surface of the rubber layer (5), and lubricating oil is provided in the cavity between the second titanium alloy layer (7) and the second alumina ceramic layer (8).

2. A deep groove ball bearing for a motor according to claim 1, characterized in that: The inner wall of the oil inlet (6) is movably connected to a circular rubber plug, and the number of the rubber layers (5) is two, and the two rubber layers (5) are respectively arranged at the upper end and the lower end of the brass ball seat (10).

3. A deep groove ball bearing for a motor according to claim 1, characterized in that: The inner wall of the second titanium alloy layer (7) is provided with a first rolling groove adapted to fit the tungsten carbide sphere (9), and the outer wall of the second alumina ceramic layer (8) is provided with a second rolling groove adapted to fit the tungsten carbide sphere (9).

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