Novel neodymium iron boron magnet ring structure for 24BYJ motor

Abstract

The utility model relates to the technical field of electromagnetic equipment, in particular to a novel neodymium iron boron magnet ring structure for a 24BYJ motor, which comprises a magnet ring main body which is respectively composed of a first magnet ring body, a second magnet ring body, a third magnet ring body and a fourth magnet ring body. The first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are bonded through bonding layers, and corrosion-resistant layers are arranged on the surface layers of the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body. According to the device, the magnetic ring main body adopts a bonding mode, the coercive force is relatively high, magnetization is easy, and the demagnetization difficulty is high, so that magnetization and demagnetization are not easy, the service life can be prolonged, good corrosion resistance and wear resistance are achieved by matching with the arrangement of the corrosion-resistant layer and the wear-resistant layer, and the service life of the device is prolonged. The heat-resistant resin layer fixedly sealed on the surface layer of the bonded magnet ring main body ensures the firmness and stability of the structure, and further ensures the practicability of the neodymium iron boron magnet ring main body in the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic equipment, in particular to a novel NdFeB magnetic ring structure for a 24BYJ motor. Background Art

[0002] The current new NdFeB magnetic ring is prone to magnetization and demagnetization during use, which in turn affects its service life. In addition, it has poor corrosion resistance and is prone to oxidation, rust and wear. A new NdFeB magnetic ring structure for 24BYJ motors is needed to solve this problem. Utility Model Content

[0003] The purpose of the utility model is to provide a new NdFeB magnetic ring structure for a 24BYJ motor to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new NdFeB magnetic ring structure for a 24BYJ motor, comprising a magnetic ring body, wherein the magnetic ring body is respectively composed of a first magnetic ring body, a second magnetic ring body, a third magnetic ring body and a fourth magnetic ring body, wherein the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are bonded to each other with an adhesive layer, and the surface layers of the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are all provided with a corrosion-resistant layer.

[0005] As a preferred technical solution of the utility model, the outer ring ends of the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are all provided with a heat-resistant resin layer, and the thickness of the heat-resistant resin layer is 0.25 mm.

[0006] As a preferred technical solution of the utility model, the inner ring ends of the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are all provided with a wear-resistant layer.

[0007] As a preferred technical solution of the utility model, the thickness of the wear-resistant layer is 0.35 mm, and the thickness of the corrosion-resistant layer is 0.25 mm.

[0008] As a preferred technical solution of the utility model, the magnetic ring body is in a circular ring shape, and the first magnetic ring body, the second magnetic ring body, the third magnetic ring body and the fourth magnetic ring body are all the same in size and are in an arc shape.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] (1) The utility model is a new NdFeB magnetic ring structure for 24BYJ motors. The magnetic ring body of the device is bonded to have a relatively high coercive force, is easy to magnetize, and is difficult to demagnetize. Therefore, it is not easy to magnetize and demagnetize, which can increase the service life. With the setting of the corrosion-resistant layer and the wear-resistant layer, it has good corrosion resistance and wear resistance. The heat-resistant resin layer sealed on the surface of the magnetic ring body after bonding ensures the firmness and stability of the structure, which further ensures the practicality of the NdFeB magnetic ring body in the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of a new NdFeB magnetic ring structure for a 24BYJ motor according to an embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure inside the new NdFeB magnetic ring structure for 24BYJ motor according to an embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure inside the first magnetic ring body of the new NdFeB magnetic ring structure for 24BYJ motor according to an embodiment of the utility model.

[0015] Reference numerals:

[0016] 1. Magnetic ring body; 2. First magnetic ring body; 3. Second magnetic ring body; 4. Adhesive layer; 5. Third magnetic ring body; 6. Fourth magnetic ring body; 7. Wear-resistant layer; 8. Corrosion-resistant layer; 9. Heat-resistant resin layer. DETAILED DESCRIPTION

[0017] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0018] Example 1

[0019] refer to Figure 1 to Figure 2Embodiment 1 is described, comprising a magnetic ring body 1, wherein the magnetic ring body 1 is respectively composed of a first magnetic ring body 2, a second magnetic ring body 3, a third magnetic ring body 5 and a fourth magnetic ring body 6, wherein the first magnetic ring body 2, the second magnetic ring body 3, the third magnetic ring body 5 and the fourth magnetic ring body 6 are bonded to each other with an adhesive layer 4, and the surface layers of the first magnetic ring body 2, the second magnetic ring body 3, the third magnetic ring body 5 and the fourth magnetic ring body 6 are all provided with a corrosion-resistant layer 8, the magnetic ring body 1 is in a circular ring shape, and the first magnetic ring body 2, the second magnetic ring body 3, the third magnetic ring body 5 and the fourth magnetic ring body 6 are all of the same size and in an arc shape;

[0020] In the present embodiment, the magnetic ring body 1 is bonded so as to have a relatively high coercive force, facilitate magnetization, and be difficult to demagnetize. Therefore, it is not easy to magnetize and demagnetize, and the service life can be increased.

[0021] Example 2

[0022] refer to Figure 2 to Figure 3 Example 2 is described. This embodiment further describes Example 1, including that the outer ring ends of the first magnetic ring body 2, the second magnetic ring body 3, the third magnetic ring body 5 and the fourth magnetic ring body 6 are all provided with a heat-resistant resin layer 9, and the thickness of the heat-resistant resin layer 9 is 0.25 mm. The inner ring ends of the first magnetic ring body 2, the second magnetic ring body 3, the third magnetic ring body 5 and the fourth magnetic ring body 6 are all provided with a wear-resistant layer 7, and the thickness of the wear-resistant layer 7 is 0.35 mm. The thickness of the corrosion-resistant layer 8 is 0.25 mm.

[0023] In this embodiment, the corrosion-resistant layer 8 and the wear-resistant layer 7 provided on the magnetic ring body 1 have good corrosion resistance and wear resistance, and the bonded NdFeB magnetic material is not easy to oxidize, rust, and wear, so it can be used in harsh environments. The heat-resistant resin layer 9 sealed on the surface of the magnetic ring body 1 after bonding ensures the firmness and stability of the structure.

[0024] In specific applications, the NdFeB magnetic ring structure provided in the present device is respectively bonded together by a first magnetic ring body 2, a second magnetic ring body 3, a third magnetic ring body 5 and a fourth magnetic ring body 6 through an adhesive layer 4, and all of them are NdFeB materials. The magnetic ring body 1 adopts a bonding method to have a relatively high coercive force, and is also easy to magnetize, and has great difficulty in demagnetization, so it is not easy to magnetize and demagnetize, which can increase the service life. It has good corrosion resistance and wear resistance in combination with the setting of the corrosion-resistant layer 8 and the wear-resistant layer 7, and the bonded NdFeB magnetic material is not easy to oxidize, rust or wear, so it can be used in harsh environments. The heat-resistant resin layer 9 sealed on the surface of the magnetic ring body 1 after bonding ensures the firmness and stability of the structure, and also improves the practicality of the NdFeB magnetic ring body 1 in the motor.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. The new NdFeB magnetic ring structure used for 24BYJ motor is characterized by: The invention comprises a magnetic ring body (1), wherein the magnetic ring body (1) is respectively composed of a first magnetic ring body (2), a second magnetic ring body (3), a third magnetic ring body (5) and a fourth magnetic ring body (6); the first magnetic ring body (2), the second magnetic ring body (3), the third magnetic ring body (5) and the fourth magnetic ring body (6) are bonded to each other by an adhesive layer (4); and the surface layers of the first magnetic ring body (2), the second magnetic ring body (3), the third magnetic ring body (5) and the fourth magnetic ring body (6) are all provided with a corrosion-resistant layer (8).

2. The novel NdFeB magnetic ring structure for 24BYJ motor according to claim 1 is characterized in that: The outer ring ends of the first magnetic ring body (2), the second magnetic ring body (3), the third magnetic ring body (5) and the fourth magnetic ring body (6) are all provided with a heat-resistant resin layer (9), and the thickness of the heat-resistant resin layer (9) is 0.25 mm.

3. The novel NdFeB magnetic ring structure for 24BYJ motor according to claim 1 is characterized in that: The inner ring ends of the first magnetic ring body (2), the second magnetic ring body (3), the third magnetic ring body (5) and the fourth magnetic ring body (6) are all provided with a wear-resistant layer (7).

4. The novel NdFeB magnetic ring structure for 24BYJ motor according to claim 3 is characterized in that: The thickness of the wear-resistant layer (7) is 0.35 mm, and the thickness of the corrosion-resistant layer (8) is 0.25 mm.

5. The novel NdFeB magnetic ring structure for 24BYJ motor according to claim 1 is characterized in that: The magnetic ring body (1) is in the shape of a circular ring, and the first magnetic ring body (2), the second magnetic ring body (3), the third magnetic ring body (5) and the fourth magnetic ring body (6) are all of the same size and are in the shape of an arc.

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