Neodymium-iron-boron magnet with reinforced protective shell
A protective casing with interlocking components securely holds NdFeB magnets, addressing surface damage issues and preserving magnetic properties.
Patent Information
- Application Number
- CN202422236754.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-12
AI Technical Summary
Neodymium iron boron magnets are susceptible to surface damage during use, resulting in weakening of magnetic properties, and effective protective measures are required.
A neodymium iron boron magnet with a reinforced protective case is designed, and the hinge of the left fixing table and the right fixing table is connected by the hinge of the left fixing table, and combined with the structure of the clamp rod, the clamp ring and the spring, the firm fixing of the neodymium iron boron magnet is achieved to prevent deviation.
The stable fixation of the neodymium iron boron magnet is achieved to avoid surface damage and maintain magnetic stability.
Smart Images

Figure CN223108600U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of neodymium iron boron magnets, and particularly relates to a neodymium iron boron magnet with a reinforced protective shell. Background Art
[0002] Neodymium iron boron magnet (NdFeB) is a rare earth permanent magnet material composed of neodymium, iron, and boron (Nd2Fe14B), with extremely high magnetic energy product and coercivity. It is one of the strongest permanent magnets in the current commercial magnetic material market and is widely used in many fields such as electronics, machinery, medical, toys, packaging, hardware, and aviation. The chemical formula of neodymium iron boron magnet is Nd2Fe14B, and it has a tetragonal crystal structure. Its color is usually silver-gray, with a shiny luster and is opaque. The density of neodymium iron boron magnet is about 7.4 - 7.8 g / cm 3 , the Vickers hardness is between 550 - 650 Hv, and the Young's modulus is between 150 - 170 kN / mm 2 Between them, due to its excellent magnetic properties, neodymium iron boron magnets are widely used in various products, including hard disk drives, mobile phones, headphones, power tools, permanent magnet motors, speakers, magnetic separators, computer disk drives, magnetic resonance imaging equipment, etc. In addition, it is also used to manufacture high-performance magnetic toys, magnetic packaging materials, and magnetic connectors, etc.
[0003] During the use of neodymium iron boron magnets, it is easy to cause surface damage, resulting in a gradual weakening of the internal magnetism. Therefore, a protective shell that can protect the surface of neodymium iron boron magnets is needed to protect neodymium iron boron magnets. Content of the Utility Model
[0004] To solve the above technical problems, the utility model provides a neodymium iron boron magnet with a reinforced protective shell, including a left fixing platform. One end of the left fixing platform is fixedly connected with a hinge, and the surface of the hinge is fixedly connected with a right fixing platform. The surface of the right fixing platform is fixedly connected with a protective shell. The surface of the left fixing platform is fixedly connected with a first clamping rod. The inner wall of the left fixing platform is provided with a protective sleeve, and the inner wall of the protective sleeve is fixedly connected with a protective cushion plate. The bottom of the left fixing platform is fixedly connected with a baffle. The surface of the right fixing platform is fixedly connected with a second clamping rod. A first clamping ring is sleeved on the surface of the second clamping rod. A spring is fixedly connected to the surface of the first clamping ring. The left end of the spring is fixedly connected with a connecting block. The left end of the connecting block is fixedly connected with a clamping plate. The left end of the clamping plate is fixedly connected with a connecting column. The left end of the connecting column is fixedly connected with a second clamping ring. A neodymium iron boron magnet is clamped on the top of the baffle.
[0005] Through the above technical solution, by setting the left fixing platform and the right fixing platform and connecting the left fixing platform and the right fixing platform through a hinge, the left fixing platform and the right fixing platform can be opened and closed, which facilitates placing the neodymium iron boron magnet inside the protective sleeve. By setting the clamping plate, when the second clamping ring is sleeved inside the first clamping rod, under the pulling force of the spring, the baffle fixes the left fixing plate and the right fixing plate when they are combined and blocks the gap between the connection parts of the left fixing plate and the right fixing plate, making the whole more firm.
[0006] As a further improvement of the above solution, the left fixing platform and the right fixing platform have the same radius, and the protective shell is arranged on the outer surface of the right fixing platform.
[0007] Through the above technical solution, the left fixing platform and the right fixing platform have the same radius, and they can fit better when the left fixing platform and the right fixing platform are combined.
[0008] As a further improvement of the above solution, the number of the first clamping rods is two, and the two first clamping rods are symmetrically and evenly distributed on the surface of the left fixing platform with the center of the surface as the symmetry center.
[0009] Through the above technical solution, by setting two first clamping rods, when the two first clamping rods are connected to the second clamping ring, the clamping plate can be made more stable.
[0010] As a further improvement of the above solution, the protective sleeve and the protective backing plate are concentric, the number of the baffles is two, and the two baffles are symmetrically and evenly distributed at the upper and lower ends with the center of the front surface of the left fixing platform as the symmetry center.
[0011] Through the above technical solution, through the baffle, when protecting the neodymium iron boron magnet, the surface of the neodymium iron boron magnet can be completely clamped inside the protective sleeve to avoid deviation.
[0012] As a further improvement of the above solution, the number of the second clamping rods is two, and the two second clamping rods are symmetrically and evenly distributed on the surface of the right fixing platform with the center of the surface as the symmetry center.
[0013] As a further improvement of the above solution, the number of the connecting blocks is two, and the two connecting blocks are symmetrically and evenly distributed on both sides with the center of the right end surface of the clamping plate as the symmetry center.
[0014] As a further improvement of the above solution, the clamping plate is concentric with the left fixing platform.
[0015] As a further improvement of the above solution, the diameter of the second clamping ring is the same as that of the first clamping ring, and the second clamping rod and the first clamping rod have the same size.
[0016] Compared with the prior art, the beneficial effects of the present utility model are:
[0017] The utility model connects a left fixing platform and a right fixing platform through a hinge, enabling the left and right fixing platforms to open and close, which facilitates placing a neodymium iron boron magnet inside a protective sleeve.
[0018] The utility model is provided with a clamping plate. When a second clamping ring is sleeved inside a first clamping rod, under the pulling force of a spring, a baffle fixes the left fixing plate and the right fixing plate when they are combined and blocks the gap between the connection parts of the left and right fixing plates, making the whole more firm. Description of the Drawings
[0019] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 is a schematic diagram of the overall top structure of the utility model;
[0021] Figure 3 is a schematic diagram of the overall sectional structure of the utility model;
[0022] Figure 4 is a schematic diagram of the overall front structure of the utility model;
[0023] Figure 5 For the utility model Figure 4 is an enlarged schematic diagram of part A;
[0024] Figure 6 For the utility model Figure 4 is an enlarged schematic diagram of part B.
[0025] In the figure: 1, left fixing platform; 2, hinge; 3, right fixing platform; 4, protective shell; 5, first clamping rod; 6, protective sleeve; 7, protective cushion plate; 8, baffle; 9, second clamping rod; 10, first clamping ring; 11, spring; 12, connecting block; 13, clamping plate; 14, connecting column; 15, second clamping ring; 16, neodymium iron boron magnet. Specific Embodiments
[0026] Next, in combination with the drawings and specific embodiments, the utility model will be further described. It should be noted that on the premise of no conflict, the following described embodiments or technical features can be combined arbitrarily to form new embodiments.
[0027] Embodiment 1:
[0028] Please combine Figures 1-5, A neodymium iron boron magnet with a reinforced protective shell in this embodiment includes a left fixing platform 1. One end of the left fixing platform 1 is fixedly connected to a hinge 2. The surface of the hinge 2 is fixedly connected to a right fixing platform 3. The surface of the right fixing platform 3 is fixedly connected to a protective shell 4. A first clamping rod 5 is fixedly connected to the surface of the left fixing platform 1. A protective sleeve 6 is arranged inside the left fixing platform 1. A protective backing plate 7 is fixedly connected to the inner wall of the protective sleeve 6. A baffle 8 is fixedly connected to the bottom of the left fixing platform 1. A second clamping rod 9 is fixedly connected to the surface of the right fixing platform 3. A first clamping ring 10 is sleeved on the surface of the second clamping rod 9. A spring 11 is fixedly connected to the surface of the first clamping ring 10. The left end of the spring 11 is fixedly connected to a connecting block 12. The left end of the connecting block 12 is fixedly connected to a clamping plate 13. The left end of the clamping plate 13 is fixedly connected to a connecting column 14. The left end of the connecting column 14 is fixedly connected to a second clamping ring 15. The neodymium iron boron magnet 16 is clamped at the top of the baffle 8. The hinge 2 opens the left fixing platform 1 and the right fixing platform 3. Then, the neodymium iron boron magnet 16 is placed inside the protective sleeve 6. Subsequently, the hinge 2 is rotated so that the left fixing platform 1 and the right fixing platform 3 are combined, and at the same time, the bottom of the neodymium iron boron magnet 16 is connected to the bottom of the baffle 8. When the left fixing platform 1 and the right fixing platform 3 are combined, the clamping plate 13 is pulled, so that the clamping plate 13 pulls the spring 11, and the second clamping ring 15 at the left end connection of the connecting column 14 is sleeved inside the first clamping rod 5. Due to the elastic pulling force of the spring 11, the connecting column 14 is firmly sleeved on the surface of the first clamping rod 5.
[0029] The left fixing platform 1 and the right fixing platform 3 have the same radius. The protective shell 4 is arranged on the outer surface of the right fixing platform 3.
[0030] The number of the first clamping rods 5 is two. The two first clamping rods 5 are evenly distributed symmetrically about the center of the surface of the left fixing platform 1. The protective sleeve 6 and the protective backing plate 7 are concentric. The number of the baffles 8 is two. The two baffles 8 are evenly distributed symmetrically about the center of the front surface of the left fixing platform 1 at the upper and lower ends. The number of the second clamping rods 9 is two. The two second clamping rods 9 are evenly distributed symmetrically about the center of the surface of the right fixing platform 3. The number of the connecting blocks 12 is two. The two connecting blocks 12 are evenly distributed symmetrically about the center of the right end surface of the clamping plate 13 on both sides. The clamping plate 13 is concentric with the left fixing platform 1. The diameter of the second clamping ring 15 is the same as that of the first clamping ring 10. The second clamping rod 9 and the first clamping rod 5 are of the same size.
[0031] Embodiment 2:
[0032] Please combine Figures 5-6 , A neodymium iron boron magnet with a reinforced protective shell in this embodiment. Pull the clamping plate 13 to take out the connecting column 14 from the surface of the second clamping ring 15. When the left fixing platform 1 and the right fixing platform 3 lose the fastening force, the neodymium iron boron magnet 16 can be taken out from inside the protective sleeve 6.
[0033] The implementation principle of a neodymium iron boron magnet with a reinforced protective shell in the embodiments of this application is as follows: When carrying out the installation and protection work of the neodymium iron boron magnet 16, first open the left fixing platform 1 and the right fixing platform 3 through the hinge 2. Then place the neodymium iron boron magnet 16 inside the protective sleeve 6. Subsequently, rotate the hinge 2 so that the left fixing platform 1 and the right fixing platform 3 are combined, and at the same time the bottom of the neodymium iron boron magnet 16 is connected to the bottom of the baffle 8. When the left fixing platform 1 and the right fixing platform 3 are combined, pull the clamping plate 13, so that the clamping plate 13 pulls the spring 11, and sleeve the second clamping ring 15 at the left end connection of the connecting column 14 inside the first clamping rod 5. Through the resilient pulling force of the spring 11, the connecting column 14 is firmly sleeved on the surface of the first clamping rod 5, so that the neodymium iron boron magnet 16 can be stably fixed inside the protective sleeve 6. When it is necessary to remove the protective shell 4, only need to pull the clamping plate 13 to take out the connecting column 14 from the surface of the second clamping ring 15, and the left fixing platform 1 and the right fixing platform 3 lose the fastening force, then the neodymium iron boron magnet 16 can be taken out from inside the protective sleeve 6.
[0034] The above implementation manners are only the preferred implementation manners of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present utility model belong to the scope of protection required by the present utility model.
Claims
1. A neodymium iron boron magnet with a reinforced protective shell, characterized in that: It includes a left fixing table (1), one end of the left fixing table (1) is fixedly connected with a hinge (2), the surface of the hinge (2) is fixedly connected with a right fixing table (3), the surface of the right fixing table (3) is fixedly connected with a protective shell (4), the surface of the left fixing table (1) is fixedly connected with a first clamping rod (5), the inner wall of the left fixing table (1) is provided with a protective sleeve (6), the inner wall of the protective sleeve (6) is fixedly connected with a protective backing plate (7), the bottom of the left fixing table (1) is fixedly connected with a baffle (8), the surface of the right fixing table (3) is fixedly connected with a second clamping rod (9), a first clamping ring (10) is sleeved on the surface of the second clamping rod (9), a spring (11) is fixedly connected to the surface of the first clamping ring (10), the left end of the spring (11) is fixedly connected with a connecting block (12), the left end of the connecting block (12) is fixedly connected with a clamping plate (13), the left end of the clamping plate (13) is fixedly connected with a connecting column (14), the left end of the connecting column (14) is fixedly connected with a second clamping ring (15), and a neodymium iron boron magnet (16) is clamped on the top of the baffle (8).
2. The neodymium iron boron magnet with a reinforced protective shell according to claim 1, wherein: The left fixing table (1) and the right fixing table (3) have the same radius, and the protective shell (4) is arranged on the outer surface of the right fixing table (3).
3. The neodymium iron boron magnet with a reinforced protective shell according to claim 1, characterized in that: The number of the first clamping rods (5) is two, and the two first clamping rods (5) are symmetrically and evenly distributed on the surface of the left fixing table (1) with the center of the surface of the left fixing table (1) as the symmetry center.
4. A neodymium iron boron magnet with a reinforced protective shell according to claim 1, characterized in that: The protective sleeve (6) and the protective backing plate (7) are concentric, the number of the baffles (8) is two, and the two baffles (8) are symmetrically and evenly distributed at the upper and lower ends with the center of the front surface of the left fixing table (1) as the symmetry center.
5. A neodymium iron boron magnet with a reinforced protective shell according to claim 1, characterized in that: The number of the second clamping rods (9) is two, and the two second clamping rods (9) are symmetrically and evenly distributed on the surface of the right fixing table (3) with the center of the surface of the right fixing table (3) as the symmetry center.
6. The neodymium iron boron magnet with a reinforced protective shell according to claim 1, wherein: The number of the connecting blocks (12) is two, and the two connecting blocks (12) are symmetrically and evenly distributed on both sides with the center of the right end surface of the clamping plate (13) as the symmetry center.
7. A neodymium iron boron magnet with a reinforced protective shell according to claim 1, characterized in that: The clamping plate (13) is concentric with the left fixing table (1).
8. A neodymium iron boron magnet with a reinforced protective shell according to claim 1, characterized in that: The diameter of the second clamping ring (15) is the same as that of the first clamping ring (10), and the second clamping rod (9) is the same size as the first clamping rod (5).