CPU (Central Processing Unit) cooling fan
By introducing a fixing nut, a limiting cylinder, and a protective mesh into the CPU cooling fan, the installation complexity caused by the design differences of different models of heat sinks and fan fasteners is solved, achieving stable connection and protection.
Patent Information
- Application Number
- CN202520025778.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The different models of heat sinks and fans use different mounting designs, which makes it difficult for users to replace or install new cooling systems and requires a lot of time and effort.
A CPU cooling fan was designed, which uses a structure including a fixing nut, a limiting cylinder, and a fixing screw to achieve stable fixing of the cooling fan to the CPU heatsink. A protective mesh is also set on the fan body to prevent impurities from entering.
It simplifies the installation process, improves connection stability, prevents fan blade damage, and reduces the complexity of user operation.
Smart Images

Figure CN223796914U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooling fan technology, specifically a CPU cooling fan. Background Technology
[0002] A CPU cooling fan, also known as a CPU fan, is a crucial component in a computer case used to cool the CPU. Its main function is to remove heat generated during CPU operation by increasing airflow over the CPU's surface, thus ensuring normal CPU function. CPU cooling fans are typically mounted above the CPU and tightly connected to the CPU heatsink, forming a complete cooling system. The working principle of a CPU cooling fan is to use the rotation of the fan blades to generate airflow, which then carries away the heat generated by the CPU through the heatsink fins. This heat is then discharged into the air or further cooled by other cooling devices (such as liquid cooling systems). However, different models of heatsinks and fans use different mounting designs, which means that users need to spend a lot of time and effort to familiarize themselves with and master the installation methods of various mounting brackets when replacing or installing a new cooling system, increasing the difficulty and inconvenience for users. Utility Model Content
[0003] The purpose of this utility model is to provide a CPU cooling fan to solve the problem mentioned in the background art that the different models of heat sinks and fans use different mounting designs, which causes users to spend a lot of time and effort to familiarize themselves with and master the installation methods of various mounting brackets when replacing or installing a new cooling system, increasing the difficulty and inconvenience for users.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a CPU cooling fan, comprising:
[0005] CPU cooler;
[0006] The cooling fan body is mounted on top of the CPU cooler.
[0007] External fixing blocks are symmetrically arranged on the outside of the CPU heatsink.
[0008] A fixed top column is provided on the top of the outer fixing block, and a fixing screw is provided on the top of the fixed top column;
[0009] Limiting mounting holes are symmetrically opened inside the cooling fan body, and the limiting mounting holes cooperate with the fixed top column;
[0010] A protective mesh is installed above the cooling fan body;
[0011] Install the retaining ring; the retaining ring should be installed above the protective netting.
[0012] As a preferred embodiment of this utility model: the mounting retaining ring has symmetrically opened mounting through holes that cooperate with the fixed top column, and the top of the mounting retaining ring is symmetrically fixed with a limiting cylinder that cooperates with the fixed screw.
[0013] As a preferred embodiment of this utility model, a fixing nut that cooperates with the fixing screw is provided above the limiting cylinder.
[0014] As a preferred embodiment of this utility model: a fixed side plate is symmetrically fixed to the outer side of the cooling fan body, and a limit rod is fixed to the top of the fixed side plate.
[0015] As a preferred embodiment of this utility model, the mounting retaining ring has symmetrically provided limiting holes that cooperate with the limiting rod.
[0016] As a preferred embodiment of this utility model: the outer side of the protective net is symmetrically fixed with fixing plates that cooperate with the fixed top column.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting a fixing nut, a limiting cylinder, and a fixing screw, this utility model enables the fixing screw at the top of the fixing column to pass through the limiting cylinder, and the fixing nut to be threaded on the outside of the limiting cylinder, thus pressing and fixing the limiting cylinder, the mounting retaining ring, the protective mesh, and the cooling fan body to the CPU heatsink. This fixing method not only improves the connection stability but also makes the installation and positioning more convenient. It is simpler than the existing fastener fixing method. By setting a protective mesh and a fixing hole plate, the fixing hole plate is installed on the outside of the fixing column for limiting installation, and the protective mesh is installed on one side of the cooling fan body. The protective mesh prevents impurities from entering the cooling fan body and interfering with the fan operation, thus preventing damage to the fan blades. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the separation structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the disassembly structure of the cooling fan body of this utility model;
[0021] Figure 4 This is a top view of the cooling fan body of this utility model;
[0022] Figure 5 This is a bottom view of the cooling fan body of this utility model.
[0023] In the diagram: 1. CPU heatsink; 2. Cooling fan body; 3. External fixing block; 4. Fixing top post; 5. Fixing screw; 6. Protective mesh; 7. Fixing plate; 8. Limiting mounting hole; 9. Fixing side plate; 10. Limiting rod; 11. Mounting retaining ring; 12. Limiting hole; 13. Limiting cylinder; 14. Fixing nut; 15. Mounting through hole. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1 to 5 This utility model provides a technical solution: a CPU cooling fan, comprising: a CPU heatsink 1; a cooling fan body 2 mounted on the top of the CPU heatsink 1; an outer fixing block 3 symmetrically fixed to the outside of the CPU heatsink 1; a fixing top post 4 fixed to the top of the outer fixing block 3, and a fixing screw 5 fixed to the top of the fixing top post 4; limiting mounting holes 8 symmetrically opened inside the cooling fan body 2, and the limiting mounting holes 8 cooperating with the fixing top post 4; a protective baffle 6 mounted above the cooling fan body 2; and a mounting ring 11 mounted above the protective baffle 6.
[0026] It is understood that when this utility model is installed between the CPU heatsink 1 and the cooling fan body 2, the fixing top post 4 and fixing screw 5 on the top of the outer fixing block 3 are aligned with the limiting mounting hole 8 inside the cooling fan body 2. The limiting mounting hole 8 inside the cooling fan body 2 reaches the outside of the fixing top post 4. Then, the fixing hole plate 7 on the outside of the protective mesh 6 is aligned with the fixing top post 4. The fixing hole plate 7 is installed on the outside of the fixing top post 4 and on the top of the cooling fan body 2. The mounting through hole 15 inside the mounting retaining ring 11 cooperates with the fixing top post 4. The fixing screw 5 passes through the limiting cylinder 13. When the mounting retaining ring 11 is installed, it is limited by the limiting hole 12 inside and the limiting rod 10 on the top of the fixing side plate 9. The fixing nut 14 is threaded on the outside of the fixing screw 5. The fixing nut 14 is used to press the limiting cylinder 13 and the mounting retaining ring 11. The mounting retaining ring 11 is used to press the installation between the protective mesh 6, the cooling fan body 2 and the CPU heatsink 1.
[0027] Please see Figures 1 to 3 The mounting retaining ring 11 has symmetrically opened mounting through holes 15 that cooperate with the fixed top column 4, and the top of the mounting retaining ring 11 is symmetrically fixed with a limiting cylinder 13 that cooperates with the fixed screw 5.
[0028] It is understood that the fixed top column 4 of this utility model limits the installation retaining ring 11 inside the installation through hole 15, and the fixed screw 5 is inserted into the limiting cylinder 13 to further complete the positioning and installation.
[0029] Please see Figures 1 to 3 A fixing nut 14 that mates with the fixing screw 5 is provided above the limiting cylinder 13.
[0030] It is understood that the fixing nut 14 of this utility model is threaded on the outside of the fixing screw 5 to install and fix the limiting cylinder 13 and the mounting retaining ring 11.
[0031] Please see Figures 1 to 5 A fixed side plate 9 is symmetrically fixed to the outer side of the cooling fan body 2, and a limit rod 10 is fixed to the top of the fixed side plate 9.
[0032] It is understood that the fixed side plate 9 of this utility model is fixed on the outside of the cooling fan body 2 to support the limiting rod 10.
[0033] Please see Figures 1 to 3 The mounting retaining ring 11 has symmetrically provided limiting holes 12 that cooperate with the limiting rod 10.
[0034] It is understood that this utility model limits the installation of the mounting ring 11 above the protective net 6 by limiting the installation between the limiting rod 10 and the limiting hole 12.
[0035] Please see Figures 1 to 3 The outer side of the protective net 6 is symmetrically fixed with fixing plates 7 that cooperate with the fixed top column 4.
[0036] It is understood that the fixing plate 7 on the outer side of the protective net 6 of this utility model cooperates with the fixing top column 4. The fixing top column 4 restricts the installation position of the protective net 6 through the fixing plate 7, thereby improving the overall stability after installation.
[0037] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0038] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.
[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A CPU cooling fan, characterized by comprising: Include: CPU radiator (1); Radiator fan body (2), radiator fan body (2) is installed on the top of CPU radiator (1); The outer fixed block (3) is symmetrically arranged on the outer side of the CPU radiator (1); Fixed top column (4), fixed top column (4) is arranged on the top of the outer fixed block (3), the top of the fixed top column (4) is provided with a fixed screw rod (5); Limiting installation hole (8), limiting installation hole (8) is symmetrically arranged in the interior of the radiator fan body (2), the limiting installation hole (8) is matched with the fixed top column (4); Protective screen (6), protective screen (6) is installed above the radiator fan body (2); Mounting ring (11), mounting ring (11) is installed above the protective screen (6).
2. The CPU cooling fan of claim 1, wherein: The inside of the mounting ring (11) is symmetrically provided with an installation through hole (15) matched with the fixed top column (4), and the top of the mounting ring (11) is symmetrically connected with a limiting cylinder (13) matched with the fixed screw rod (5).
3. The CPU cooling fan of claim 2, wherein: The top of the limiting cylinder (13) is provided with a fixed nut (14) matched with the fixed screw rod (5).
4. The CPU cooling fan of claim 1, wherein: The outer side of the radiator fan body (2) is symmetrically connected with a fixed side plate (9), and the top of the fixed side plate (9) is connected with a limiting rod (10).
5. The CPU cooling fan of claim 4, wherein: The inside of the mounting ring (11) is symmetrically provided with a limiting hole (12) matched with the limiting rod (10).
6. The CPU cooling fan of claim 1, wherein: The outer side of the protective screen (6) is symmetrically connected with a fixed hole plate (7) matched with the fixed top column (4).