A fan vibration damping structure
By using a shock-absorbing structure composed of magnetic blocks and bolt fixing, the problems of fan vibration and noise transmission within the chassis are solved, achieving stable fan operation and noise reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- VAST GLORY ELECTRONIC & HARDWARE & PLASTIC (HUI ZHOU) LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-05-26
AI Technical Summary
When traditional fans are used inside a computer case, the vibration of the motor is transmitted to the case through the fan frame, resulting in increased noise.
The shock-absorbing component, composed of magnetic blocks, utilizes the principle of mutual repulsion and attraction between magnetic poles to stabilize the mounting frame, reduce vibration transmission, and enhance stability by combining it with bolt fixing.
It effectively reduces vibration and noise transmission during fan operation, improving equipment stability and noise reduction.
Smart Images

Figure CN224283044U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat dissipation, specifically a fan vibration reduction structure. Background Technology
[0002] A fan is a device that generates airflow by rotating blades. It is mainly used for air circulation, cooling or ventilation. It uses mechanical energy to drive the blades to rotate, thereby promoting airflow and regulating the ambient temperature, humidity or air quality. Fans are widely used in homes, offices, industrial sites and electronic devices. Electronic devices often use fans for heat dissipation and install fans inside the chassis.
[0003] Traditional fans are attached to the chassis or module, with the motor mounted on the fan frame. When the fan is running, the vibration of the motor is transmitted to the fan frame, and the vibration of the fan frame is further amplified on the chassis, resulting in increased noise. Utility Model Content
[0004] Therefore, the purpose of this utility model is to provide a fan vibration damping structure to solve the technical problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a fan vibration damping structure, including a base, a top cover movably mounted on the top of the base, and an installation frame installed inside the base. A fan frame is fixed in the middle of the installation frame. The vibration damping component consists of a first magnetic block, a second magnetic block, and a third magnetic block. The vibration damping component dampens the installation frame, preventing it from shaking during operation. Multiple sets of fixing blocks are fixed to the outer wall of the installation frame, and a second magnetic block is installed inside each fixing block. The first magnetic block is installed inside the top cover, and a third magnetic block is installed inside the base. The S pole at the bottom of the first magnetic block is close to the S pole at the top of the second magnetic block, and the N pole at the bottom of the second magnetic block is close to the N pole at the top of the third magnetic block.
[0006] Preferably, the magnetic poles of the second magnetic block repel each other from the first and third magnetic blocks, thereby stabilizing the mounting frame and preventing the vibration generated by the motor during operation from being transmitted to the base, thus reducing vibration and noise.
[0007] The present invention is further configured such that multiple sets of protrusions are fixed on the outer wall of the mounting frame, and a fourth magnetic block is fixed on one side of the protrusions; an installation groove is opened inside the base, and a fifth magnetic block is installed inside the installation groove; the S pole on one side of the fifth magnetic block is close to the N pole on one side of the fourth magnetic block.
[0008] Preferably, the mounting frame and the base are fixed by the attraction between the fourth and fifth magnetic blocks.
[0009] The present invention is further configured such that the base and the top cover are fixed by bolts.
[0010] Preferably, the base and the top cover can be fixed by bolts, which can better limit the installation frame and prevent it from shaking.
[0011] In summary, the present invention has the following main advantages:
[0012] 1. This utility model is provided with an installation frame, a first magnetic block, a second magnetic block and a third magnetic block. The magnetic poles of the second magnetic block and the first and third magnetic blocks repel each other, thereby making the installation frame stable and preventing the vibration generated by the motor during operation from being transmitted to the base, thus reducing the generation of vibration and noise.
[0013] 2. The utility model is equipped with a fourth magnetic block and a fifth magnetic block, which attract each other, thereby enabling the mounting frame to be fixed to the base. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram showing the disassembled parts of this utility model;
[0016] Figure 3 This is a cross-sectional view of the present invention.
[0017] Explanation of reference numerals in the attached figures:
[0018] 1. Base; 2. Top cover; 3. Mounting frame; 4. Fan blade; 5. Fixing block; 6. Protrusion; 7. Mounting groove; 8. First magnetic block; 9. Second magnetic block; 10. Third magnetic block; 11. Fourth magnetic block; 12. Fifth magnetic block; 13. Fan frame. Detailed Implementation
[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0020] The embodiments of this utility model will be described below based on its overall structure.
[0021] Please see Figures 1-3The system includes a base 1, a top cover 2 movably mounted on the top of the base 1, and a mounting frame 3 installed inside the base 1. A fan frame 13 is fixed in the middle of the mounting frame 3. The shock-absorbing assembly consists of a first magnetic block 8, a second magnetic block 9, and a third magnetic block 10. The shock-absorbing assembly dampens the mounting frame 3 to prevent it from shaking during operation. Multiple sets of fixing blocks 5 are fixed to the outer wall of the mounting frame 3, and the second magnetic block 9 is installed inside the fixing block 5. The first magnetic block 8 is installed inside the top cover 2, and the third magnetic block 10 is installed inside the base 1. The N pole at the bottom of the second magnetic block 9 on the outer wall of the mounting frame 5 is close to the N pole at the top of the third magnetic block 10, and the second magnetic block 9 and the third magnetic block 10 repel each other. The S pole at the bottom of the first magnetic block 8 is close to the S pole at the top of the second magnetic block 9, and the N pole at the bottom of the second magnetic block 9 is close to the N pole at the top of the third magnetic block 10. The S pole at the top of the second magnetic block 9 inside the fixing block 5 is close to the S pole at the bottom of the first magnetic block 8, and the second magnetic block 9 and the first magnetic block 8 repel each other. Then the upper cover 2 and the base 1 are fixed with bolts, and the base 1 is installed in the chassis.
[0022] For details regarding the above embodiments, please refer to [link / reference]. Figure 2 and Figure 3 Multiple sets of protrusions 6 are fixed to the outer wall of the mounting frame 3, and a fourth magnetic block 11 is fixed to one side of the protrusion 6. The base 1 has an installation groove 7 inside, and a fifth magnetic block 12 is installed inside the installation groove 7. The S pole on one side of the fifth magnetic block 12 is close to the N pole on one side of the fourth magnetic block 11. The S pole on one side of the fifth magnetic block 12 inside the base is close to the N pole on one side of the fourth magnetic block 11 on the outer wall of the mounting frame 3. The mounting frame 3 and the base 1 are fixed by the attraction between the fourth magnetic block 11 and the fifth magnetic block 12.
[0023] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 The base 1 and the top cover 2 are fixed by bolts. The bolts can fix the base 1 and the top cover 2, thereby better limiting the mounting frame 3 and preventing the mounting frame 3 from shaking.
[0024] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 The number of damping components can be any one of two, three, or four sets. Two or three sets of damping components are distributed on the inner wall of the base 1, while four sets of damping components are distributed at the four corners inside the base 1.
[0025] In practical operation, the motor is installed on one side of the fan frame 13, and then the fan blade 4 is connected to the output end of the motor. Then, the mounting frame 3 is installed inside the base 1. The N pole at the bottom of the second magnetic block 9 on the outer wall of the mounting frame 5 is close to the N pole at the top of the third magnetic block 10. The second magnetic block 9 and the third magnetic block 10 repel each other. The S pole on one side of the fifth magnetic block 12 inside the base is close to the N pole on one side of the fourth magnetic block 11 on the outer wall of the mounting frame 3. Then, the top cover 2 is installed. The S pole at the top of the second magnetic block 9 inside the fixing block 5 is close to the S pole at the bottom of the first magnetic block 8. The second magnetic block 9 and the first magnetic block 8 repel each other. Then, the top cover 2 is fixed to the base 1 with bolts, and the base 1 is installed inside the chassis.
[0026] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A fan vibration damping structure, comprising a base (1), wherein a top cover (2) is movably mounted on the top of the base (1), and a mounting frame (3) is installed inside the base (1), wherein a fan frame (13) is fixed in the middle of the mounting frame (3), characterized in that: The base (1) is equipped with a shock-absorbing component, which consists of a first magnetic block (8), a second magnetic block (9) and a third magnetic block (10). The shock-absorbing component dampens the mounting frame (3) to prevent the mounting frame (3) from shaking during operation.
2. The fan vibration damping structure according to claim 1, characterized in that: The outer wall of the mounting frame (3) is fixed with multiple sets of fixing blocks (5), and a second magnetic block (9) is installed inside the fixing block (5). The upper cover (2) is installed with a first magnetic block (8), and the base (1) is installed with a third magnetic block (10).
3. The fan vibration damping structure according to claim 2, characterized in that: The S pole at the bottom of the first magnetic block (8) is close to the S pole at the top of the second magnetic block (9), and the N pole at the bottom of the second magnetic block (9) is close to the N pole at the top of the third magnetic block (10).
4. The fan vibration damping structure according to claim 1, characterized in that: The outer wall of the mounting frame (3) is fixed with multiple sets of protrusions (6), and a fourth magnetic block (11) is fixed on one side of the protrusions (6). The base (1) has an installation groove (7) inside, and a fifth magnetic block (12) is installed inside the installation groove (7). The S pole on one side of the fifth magnetic block (12) is close to the N pole on one side of the fourth magnetic block (11).
5. The fan vibration damping structure according to claim 1, characterized in that: The base (1) and the top cover (2) are fixed together by bolts.
6. A fan vibration damping structure according to claim 2, characterized in that: The number of shock-absorbing components is two sets, and the two sets of shock-absorbing components are distributed on the inner wall of the base (1).
7. A fan vibration damping structure according to claim 2, characterized in that: The number of shock-absorbing components is three sets, and the three sets of shock-absorbing components are distributed on the inner wall of the base (1).
8. A fan vibration damping structure according to claim 2, characterized in that: The number of shock-absorbing components is four sets, and the four sets of shock-absorbing components are distributed at the four corners inside the base (1).