Permanent magnet assembly for anti-corrosion and anti-demagnetization new energy automobile motor

By designing convenient disassembly mechanisms and permanent magnet components using aluminum nickel magnets and neodymium iron boron materials, the disassembly problems of permanent magnet components for new energy vehicle motors and anti-corrosion and demagnetization problems are solved, and the operation convenience and service life are improved.

CN223052804UActive Publication Date: 2025-07-01DONGGUAN HANJIANG MAGNETIC ELECTRIC CO LTD
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Patent Information

Application Number
CN202421826234.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-07-01
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing permanent magnet components for new energy vehicle motors are difficult to disassemble easily during long-term use, and lack good corrosion and demagnetization resistance, which increases the labor intensity of the operator and affects the service life.

Method used

A permanent magnet assembly including a mounting frame, support plate, permanent magnet assembly and installation and disassembly mechanism is designed. The tapered gear meshs with the gear plate, threaded connection and sliding sleeve to achieve convenient disassembly; aluminum nickel magnets and neodymium iron boron materials are used to improve corrosion and demagnetization resistance.

Benefits of technology

It realizes convenient disassembly and repair of permanent magnet components, enhances anti-corrosion and demagnetization performance, reduces operation difficulty and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of new energy automobile motors, in particular to an anti-corrosion and anti-demagnetization permanent magnet assembly for a new energy automobile motor, which comprises a permanent magnet assembly mechanism, the permanent magnet assembly mechanism comprises a first mounting frame, a first through hole is formed in the first mounting frame, and a permanent magnet rotating shaft is arranged in the first through hole; and positioning grooves are formed in the side walls of one ends of the first mounting frames, supporting plates are arranged in the positioning grooves, and permanent magnet assemblies are mounted at the top ends of the supporting plates. Firstly, the threaded hole is in threaded connection with the threaded rod, and the sliding rod is matched with the sliding sleeve, so that the conical fluted disc can drive the threaded rod to slide in the threaded hole through the sliding sleeve and the sliding rod while rotating, and therefore the threaded rod slides to be clamped with the limiting groove; and therefore, an operator can conveniently mount and dismount the supporting plate, and the operator can conveniently dismount and maintain the permanent magnet assembly.
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Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle motors, in particular to a permanent magnet component for a new energy vehicle motor with anti-corrosion and anti-demagnetization functions. Background Technique

[0002] A new energy vehicle motor refers to a vehicle that uses an on-vehicle power source as power, drives the wheels with a motor, and meets the requirements of road traffic and safety regulations. Since its impact on the environment is relatively smaller than that of traditional vehicles, its future is widely optimistic. However, the current technology is not yet mature. The power source provides electrical energy for the drive motor of the electric vehicle, and the electric vehicle motor converts the electrical energy of the power source into mechanical energy, and drives the wheels and working devices through a transmission device or directly. The components of a permanent magnet synchronous motor include a stator, a rotor, a magnet, a sensor, etc.;

[0003] The rotor of a permanent magnet synchronous motor mainly consists of a shaft, an iron core, and a permanent magnet. The permanent magnet in the rotor can be made of materials such as permanent magnet neodymium iron boron or permanent magnet hard iron, which generates a magnetic field. When the permanent magnet is affected by the rotating magnetic field of the stator, it will generate torque to drive the rotor to rotate;

[0004] At present, for most permanent magnet components used in new energy vehicle motors on the market, when a failure occurs after long-term use, it is necessary to disassemble and repair the permanent magnet components of the motor. When the operator needs to disassemble the permanent magnet components, it is not convenient for the operator to disassemble them, thus increasing the labor intensity of the operator. At the same time, the existing permanent magnet components do not have good anti-corrosion and anti-demagnetization performance, thus affecting the use of the permanent magnet components. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the application, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0006] In view of the above or the existing technology, for most permanent magnet components used in new energy vehicle motors on the market, when a failure occurs after long-term use, it is necessary to disassemble and repair the permanent magnet components of the motor. When the operator needs to disassemble the permanent magnet components, it is not convenient for the operator to disassemble them, thus increasing the labor intensity of the operator. At the same time, the existing permanent magnet components do not have good anti-corrosion and anti-demagnetization performance, thus affecting the use of the permanent magnet components. Therefore, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a permanent magnet component for a new energy vehicle motor with anti-corrosion and anti-demagnetization functions.

[0008] To solve the above technical problems, the present utility model provides the following technical solutions: A permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor includes a permanent magnet component mechanism, which includes a first mounting frame. A first through hole is provided inside the first mounting frame, and a permanent magnet rotating shaft is arranged inside the first through hole. Positioning grooves are provided on the side walls at one end of the first mounting frame, and a support plate is arranged inside the positioning grooves. A permanent magnet component is installed at the top end of the support plate. Grooves are provided on the side walls on one side of the support plate, and an electromagnetic coil is sleeved on the outer wall of the permanent magnet component;

[0009] An installation and disassembly mechanism, which includes an installation rod. The installation rod is installed on the side walls at both ends of the support plate. Installation frames are installed on the inner walls of the installation rod, and a conical gear disk is rotatably installed inside the installation frame through a ball. A threaded hole is provided inside the conical gear disk, and a threaded rod penetrating the installation rod is threadedly connected inside the threaded hole.

[0010] As a preferred solution of the permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, wherein: Sliding rods are installed at the ends of the support plate where the installation frames are mutually close to each other, and a sliding sleeve is sleeved on the outer wall of the sliding rod. The outer wall of the sliding sleeve is fixedly connected to the outer wall of the threaded rod.

[0011] By adopting the above technical solution, in this solution, through the mutual cooperation of the sliding sleeve and the sliding rod, the sliding sleeve slides on the outer wall of the sliding rod.

[0012] As a preferred solution of the permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, wherein: A rotating rod body penetrating the inside of the installation rod is installed inside the groove through a bearing, and a conical gear is installed at one end of the rotating rod body. The conical gear meshes with the conical gear disk.

[0013] By adopting the above technical solution, in this solution, through the mutual meshing of the conical gear and the conical gear disk, the conical gear rotates to drive the conical gear disk to rotate simultaneously.

[0014] As a preferred solution of the permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, wherein: A handle body is installed at one end of the rotating rod body, and anti-slip lines are provided on the outer wall of the handle body.

[0015] By adopting the above technical solution, through the provision of anti-slip lines on the outer wall of the handle body, the phenomenon of hand slipping of the operator when rotating the handle body is avoided.

[0016] As a preferred solution of the permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, wherein: Limiting grooves are provided on the inner walls of the positioning grooves, and the limiting grooves are mutually engaged with the threaded rod.

[0017] By adopting the above technical solution, the limiting groove and the threaded rod are engaged with each other, so that the threaded rod is engaged with the limiting groove while sliding, which is convenient for installation and disassembly.

[0018] As a preferred solution of a permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, there are two groups of the first mounting frames with the same structure.

[0019] By adopting the above technical solution, through the design of two groups of the first mounting frames, the support plate is installed by the two groups of the first mounting frames.

[0020] As a preferred solution of a permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, there are eight groups of the support plates with the same structure, and the eight groups of support plates are arranged in a circular shape on the side wall of the first mounting frame.

[0021] By adopting the above technical solution, the eight groups of support plates are arranged in a circular shape on the side wall of the first mounting frame, so that the permanent magnet component is assembled by forming a circle with the eight groups of support plates.

[0022] As a preferred solution of a permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model, the permanent magnet component includes an alnico magnet main body and a neodymium iron boron main body. The alnico magnet main body is arranged inside the permanent magnet component, and the neodymium iron boron main body is arranged on the outer wall of the alnico magnet main body.

[0023] By adopting the above technical solution, through the design of the alnico magnet main body and the neodymium iron boron main body, the anti-corrosion and anti-demagnetization performance of the permanent magnet component mechanism is better.

[0024] A permanent magnet component for an anti-corrosion and anti-demagnetization new energy vehicle motor of the present utility model has the following beneficial effects:

[0025] 1. First, the bevel gear of the present utility model is engaged with the bevel gear disc, and the bevel gear disc is driven to rotate simultaneously by the rotation of the bevel gear. The threaded hole and the threaded rod are in threaded connection, and the sliding rod and the sliding sleeve cooperate with each other, so that the bevel gear disc can drive the threaded rod to slide inside the threaded hole through the sliding sleeve and the sliding rod while rotating. Thus, the threaded rod slides to engage with the limiting groove, which is convenient for the operator to install and disassemble the support plate, and thus convenient for the operator to disassemble and repair the permanent magnet component;

[0026] 2. First, through the design of the permanent magnet assembly of the present utility model, the alnico magnet main body is an aluminum alloy composed of a small amount of metal elements such as metal aluminum, nickel, cobalt, and iron, which has strong corrosion resistance and oxidation resistance. At the same time, through the design of the neodymium iron boron main body, the permanent magnet assembly mechanism has good corrosion resistance and demagnetization resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0028] Figure 1 It is a front view structural schematic diagram of a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor;

[0029] Figure 2 It is an assembly structural schematic diagram of a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor;

[0030] Figure 3 It is a structural schematic diagram of the arrangement of the support plates of a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor;

[0031] Figure 4 It is an internal structural schematic diagram of the first installation frame of a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor;

[0032] Figure 5 It is a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor Figure 4 and the enlarged structural schematic diagram at position A in it;

[0033] Figure 6 It is a sectional view structural schematic diagram of the permanent magnet of a permanent magnet assembly for an anti-corrosion and demagnetization-resistant new energy vehicle motor.

[0034] In the drawings, the list of components represented by each reference numeral is as follows:

[0035] 1. Permanent magnet assembly mechanism; 101. First installation frame; 102. First through hole; 103. Permanent magnet rotating shaft; 104. Positioning groove; 1041. Limit groove; 105. Support plate; 106. Permanent magnet assembly; 1061. Alnico magnet main body; 1062. Neodymium iron boron main body; 107. Groove; 108. Electromagnetic coil;

[0036] 2. Installation and disassembly mechanism; 201. Installation rod; 202. Installation frame; 203. Tapered gear disc; 204. Threaded hole; 205. Threaded rod; 206. Sliding rod; 207. Sliding sleeve; 208. Main body of the rotating rod; 209. Tapered gear; 2010. Main body of the handle. Detailed implementation manners

[0037] In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific implementation manners of the present utility model will be given in conjunction with the accompanying drawings of the specification.

[0038] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0039] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments.

[0040] Embodiment 1: Refer to Figures 1 to 6, which is the first embodiment of the present utility model. This embodiment provides a permanent magnet component for an anti-corrosion and demagnetization-resistant new energy vehicle motor, which can solve the problem that when most permanent magnet components for new energy vehicle motors on the current market fail after long-term use and need to be disassembled and repaired, it is inconvenient for operators to disassemble them when they need to do so, thus increasing the labor intensity of the operators. It includes a permanent magnet component mechanism 1, which includes a first installation frame 101. A first through hole 102 is opened inside the first installation frame 101, and a permanent magnet rotating shaft 103 is arranged inside the first through hole 102. Positioning grooves 104 are opened on the side walls at one end of the first installation frame 101, and support plates 105 are arranged inside the positioning grooves 104. Limiting grooves 1041 are opened on the inner walls of the positioning grooves 104, and the limiting grooves 1041 are engaged with the threaded rods 205. By the mutual engagement of the limiting grooves 1041 and the threaded rods 205, the threaded rods 205 can be engaged with the limiting grooves 1041 while sliding, thus facilitating their installation and disassembly. A permanent magnet component 106 is installed at the top of the support plate 105. Grooves 107 are opened on the side walls on one side of the support plate 105. An electromagnetic coil 108 is sleeved on the outer wall of the permanent magnet component 106. There are eight groups of support plates 105 with the same structure, and the eight groups of support plates 105 are arranged in a circular pattern on the side wall of the first installation frame 101. The permanent magnet component 106 is assembled by the eight groups of support plates 105 forming a circle, and the electromagnetic coil 108 is sleeved on the outer wall of the permanent magnet component 106, so as to make the fixation of the permanent magnet component 106 more firm.

[0041] An installation and disassembly mechanism 2, which includes an installation rod 201. The installation rod 201 is installed on the side walls at both ends of the support plate 105. Installation frames 202 are installed inside the installation rod 201, and a tapered gear disk 203 is rotatably installed inside the installation frame 202 through a ball. By the meshing of the tapered gear disk 203 and the tapered gear 209, the rotation of the tapered gear 209 drives the tapered gear disk 203 to rotate simultaneously. A threaded hole 204 is opened inside the tapered gear disk 203, and a threaded rod 205 passing through the installation rod 201 is threadedly connected inside the threaded hole 204. By the threaded connection of the threaded hole 204 and the threaded rod 205, it is convenient for the threaded rod 205 to rotate and slide inside the threaded hole 204. There are two groups of first installation frames 101 with the same structure.

[0042] A sliding rod 206 is installed at one end of the mounting frame 202 that is close to each other, and a sliding sleeve 207 is sleeved on the outer wall of the sliding rod 206. The outer wall of the sliding sleeve 207 is fixedly connected to the outer wall of the threaded rod 205. A rotating rod body 208 that passes through the interior of the mounting rod 201 is installed inside the groove 107 through a bearing, and a bevel gear 209 is installed at one end of the rotating rod body 208. The bevel gear 209 is meshed with the bevel gear disc 203. A handle body 2010 is installed at one end of the rotating rod body 208, and the outer wall of the handle body 2010 is provided with anti-slip grooves. The anti-slip grooves are provided on the outer wall of the handle body 2010 to prevent the operator from slipping when turning the handle body 2010.

[0043] The specific working principle is that when the permanent magnet assembly 106 needs to be installed and disassembled, the bevel gear 209 is first meshed with the bevel toothed disc 203, and the bevel gear 209 rotates to drive the bevel toothed disc 203 to rotate at the same time, and is threadedly connected through the threaded hole 204 and the threaded rod 205, and the sliding rod 206 cooperates with the sliding sleeve 207, so that the conical toothed disc 203 can drive the threaded rod 205 to slide inside the threaded hole 204 through the sliding sleeve 207 and the sliding rod 206 while rotating, so that the threaded rod 205 slides to engage with the limit groove 1041, so that it is convenient for the operator to install and disassemble the support plate 105, so that it is convenient for the operator to disassemble and repair the permanent magnet assembly.

[0044] Example 2: Reference Figures 1 to 6 , which is the first embodiment of the utility model. This embodiment provides a corrosion-resistant and demagnetization-resistant permanent magnet component for new energy vehicle motors, which can solve the problem that the existing permanent magnet components do not have good corrosion-resistant and demagnetization resistance, thereby affecting the use of the permanent magnet components. The permanent magnet component 106 includes an aluminum nickel cobalt magnet body 1061 and a neodymium iron boron body 1062. The interior of the permanent magnet component 106 is provided with an aluminum nickel cobalt magnet body 1061, and the outer wall of the aluminum nickel cobalt magnet body 1061 is provided with a neodymium iron boron body 1062. Through the design of the aluminum nickel cobalt magnet body 1061 and the neodymium iron boron body 1062, the corrosion-resistant and demagnetization-resistant performance of the permanent magnet component mechanism 1 is improved.

[0045] The specific working principle is, firstly, through the design of the permanent magnet assembly 106, and the aluminum alloy composed of a small amount of metal elements such as aluminum, nickel, cobalt, and iron by the aluminum nickel cobalt magnet body 1061, it has strong corrosion resistance and oxidation resistance. At the same time, through the design of the neodymium iron boron body 1062, and the neodymium iron boron body 1062, the permanent magnet assembly mechanism 1 has good anti-corrosion and anti-demagnetization properties.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A permanent magnet assembly for a new energy vehicle motor that is corrosion-resistant and demagnetization-resistant, characterized in that: include, A permanent magnet assembly mechanism (1), comprising a first installation frame (101), wherein a first through hole (102) is provided inside the first installation frame (101), and a permanent magnet rotating shaft (103) is arranged inside the first through hole (102), a side wall at one end of the first installation frame (101) is provided with a positioning groove (104), and a support plate (105) is arranged inside the positioning groove (104), a permanent magnet assembly (106) is installed on the top of the support plate (105), a groove (107) is provided on the side wall on one side of the support plate (105), and an electromagnetic coil (108) is sleeved on the outer wall of the permanent magnet assembly (106); The mounting and disassembly mechanism (2) comprises a mounting rod (201), wherein the mounting rod (201) is mounted on the side walls at both ends of the support plate (105), the inner walls of the mounting rod (201) are both mounted with mounting frames (202), and a conical toothed disc (203) is mounted inside the mounting frame (202) by ball rotation, a threaded hole (204) is provided inside the conical toothed disc (203), and a threaded rod (205) that passes through the mounting rod (201) is threadedly connected to the inner surface of the threaded hole (204).

2. A corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy vehicle motors according to claim 1, characterized in that: A sliding rod (206) is installed at one end of the mounting frame (202) that is close to each other, and a sliding sleeve (207) is sleeved on the outer wall of the sliding rod (206), and the outer wall of the sliding sleeve (207) is fixedly connected to the outer wall of the threaded rod (205).

3. The corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy automobile motor according to claim 1, characterized in that: A rotating rod body (208) penetrating the interior of the mounting rod (201) is installed inside the groove (107) via a bearing, and a bevel gear (209) is installed at one end of the rotating rod body (208), and the bevel gear (209) is meshed with the bevel gear disc (203).

4. A corrosion-resistant and demagnetization-resistant permanent magnet assembly for a new energy vehicle motor as claimed in claim 3, characterized in that: A handle body (2010) is installed at one end of the rotating rod body (208), and an outer wall of the handle body (2010) is provided with anti-slip grooves.

5. The corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy automobile motor according to claim 1, characterized in that: The inner wall of the positioning groove (104) is provided with a limiting groove (1041), and the limiting groove (1041) and the threaded rod (205) are mutually engaged.

6. The corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy automobile motor according to claim 1, characterized in that: There are two groups of the first installation frames (101) having the same structure.

7. The corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy automobile motor according to claim 1, characterized in that: There are eight groups of support plates (105) of the same structure, and the eight groups of support plates (105) are arranged in a circular shape on the side wall of the first installation frame (101).

8. The corrosion-resistant and demagnetization-resistant permanent magnet assembly for new energy automobile motor according to claim 1, characterized in that: The permanent magnet assembly (106) comprises an AlNiCo magnet body (1061) and a NdFeB body (1062); the AlNiCo magnet body (1061) is arranged inside the permanent magnet assembly (106), and the NdFeB body (1062) is arranged on the outer wall of the AlNiCo magnet body (1061).