Computer fan

By employing a concave elastic plate and spring clip positioning mechanism in the CPU fan, the noise problem caused by looseness between the fan and the heatsink is solved, achieving stable installation and convenient disassembly, and improving heat dissipation efficiency.

CN223582408UActive Publication Date: 2025-11-21DONGGUAN SUN MACRO TECH CO LTD
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Patent Information

Application Number
CN202422672102.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-11-21
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

When the metal fasteners of a computer CPU cooling fan deform, they are prone to loosening, causing the fan to come into contact with the heatsink, generating noise and making stable installation difficult.

Method used

The positioning mechanism uses a concave elastic plate and spring clips to fix the fan and heatsink in place, preventing them from loosening. The CPU contact panel is connected by bolts for easy installation and removal.

Benefits of technology

This design achieves stable installation of the fan and heatsink, avoids noise generation, and facilitates installation and disassembly, thereby improving heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a computer fan, and relates to the technical field of computer CPU (central processing unit) heat dissipation. The CPU contact panel is fixed in the inner side of an opening in the lower surface of the base, a double-hole panel is arranged at the upper end of the CPU contact panel, the double-hole panel and the CPU contact panel are installed and connected through bolts, and screws are arranged at through holes in the two ends of the double-hole panel; the plurality of heat dissipation pipe fittings are symmetrically arranged between the base and the CPU contact panel; the radiator mechanisms are located on the peripheral sides of the two ends of the heat dissipation pipe fitting correspondingly, and the radiator mechanisms are used for absorbing heat of the heat dissipation pipe fitting for heat dissipation; and a fan mechanism. The positioning mechanism can be correspondingly and elastically buckled in the first radiator body and the second radiator body, so that the corresponding buckle fixing effect is achieved, touch noise caused by looseness of the first metal buckle and the second metal buckle is avoided, and the positioning mechanism is integrally and stably installed and is convenient to correspondingly install and use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to computer CPU heat dissipation technical field, concretely relates to a computer fan. BACKGROUND

[0002] The CPU and other components of computer produce heat during high-speed operation, and heat dissipation is actually a heat transfer process, which aims to bring the heat generated by the CPU to other media and control the CPU temperature within a stable range. The CPU fan, also known as a heat dissipation fan, is a fan used to dissipate heat from the CPU. It is used with heat sinks and cases and is designed to quickly conduct heat from the CPU and blow it into the surrounding air, thereby achieving cooling effect.

[0003] During heat dissipation, the CPU cooling fan of the computer rotates as a whole through the fan blades, thereby generating an internal and external pressure difference. The external air flows under the internal and external pressure difference, and the flowing gas carries away the temperature of the fins on the heat sink. The fan and the heat sink are installed using external metal fasteners for snap installation. When the metal fastener deforms, the overall snap will loosen. The fan will vibrate during rotation, and the fan and the heat sink will touch, producing loud noise. Moreover, it is not convenient to stably install and use the fan and the heat sink when they are loose.

[0004] Therefore, a new computer fan is proposed to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a computer fan, which solves the technical problem that the fan and the heat sink will touch and produce loud noise and are not convenient to stably install and use when the metal fastener deforms.

[0006] The utility model solves the above technical problems through the following technical solutions. The utility model is a computer fan, which comprises:

[0007] a base;

[0008] a CPU contact panel fixed to the inside of the lower surface opening of the base, wherein the upper end of the CPU contact panel is provided with a double-hole panel, the double-hole panel and the CPU contact panel are connected through bolt installation, and screws are arranged at the through holes at both ends of the double-hole panel;

[0009] a plurality of heat dissipation pipe fittings symmetrically arranged between the base and the CPU contact panel;

[0010] a heat sink mechanism arranged on the circumferential side of both ends of the heat dissipation pipe fitting, wherein the heat sink mechanism is used to absorb the heat of the heat dissipation pipe fitting for heat dissipation;

[0011] A fan mechanism is located outside the radiator mechanism, and is used for dissipating heat absorbed by the radiator mechanism.

[0012] A positioning mechanism is located between the radiator mechanism and the fan mechanism.

[0013] Preferably, the radiator mechanism comprises a second radiator body and a first radiator body, the second radiator body and the first radiator body are of the same structure and are symmetrically arranged, and the second radiator body and the first radiator body are fixed to the circumferential side of the radiator pipe.

[0014] Preferably, the second radiator body comprises a plurality of front heat dissipation fins, the distal ends of the plurality of front heat dissipation fins are provided with a plurality of rear heat dissipation fins, a gap groove is arranged between the plurality of rear heat dissipation fins and the front heat dissipation fins, and the rear heat dissipation fins and the front heat dissipation fins are fixed to the circumferential side of the radiator pipe.

[0015] Preferably, the fan mechanism comprises a second heat dissipation fan and a first heat dissipation fan, the second heat dissipation fan is located between the second radiator body and the first radiator body of the radiator mechanism, and the first heat dissipation fan is located on the outside of the first radiator body of the radiator mechanism.

[0016] Preferably, the two ends of the first heat dissipation fan are buckled and installed on the outside of the first radiator body through two first metal buckles, and the two ends of the second heat dissipation fan are buckled and installed on the inside of the second radiator body through two second metal buckles.

[0017] Preferably, the positioning mechanism comprises a first radiator positioning buckle and a second radiator positioning buckle, the first heat dissipation fan and the two sides of the first radiator body are provided with the first radiator positioning buckle in the middle, and the second heat dissipation fan and the two sides of the second radiator body are provided with the second radiator positioning buckle in the middle.

[0018] Preferably, the first radiator positioning buckle and the second radiator positioning buckle are of the same structure.

[0019] Preferably, the first radiator positioning buckle comprises a connecting end plate, the two sides of the inner end of the connecting end plate are provided with symmetrical gap insertion plates, the outer end of the gap insertion plate is provided with a concave elastic plate, the opening of the concave elastic plate is provided with a spring, and the concave elastic plate is elastically buckled through the spring.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] 1. The concave elastic plate can be elastically fastened in the first and second radiator bodies through spring elastic buckles, thus playing a corresponding buckling and fixing role, avoiding the collision noise caused by the loosening of the first and second metal buckles, and ensuring overall stable installation, which is convenient for corresponding installation and use.

[0022] 2. The CPU contact panel can be fixed to the inside by the corresponding clips through the gap at the opening on the lower surface of the base, which is convenient for installation and disassembly. After applying thermal paste, the CPU contact panel is easy to disassemble and clean later. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of the part of this utility model that contacts the computer CPU;

[0025] Figure 3 This is a schematic diagram of the side structure of this utility model;

[0026] Figure 4 A schematic diagram of the combined structure of the first cooling fan and the second heat sink positioning clips;

[0027] Figure 5 This is a schematic diagram of the radiator positioning clip structure.

[0028] The numbers in the diagram represent:

[0029] 1. Second heatsink body; 11. Gap slot; 12. Rear heatsink fins; 13. Front heatsink fins; 2. Base; 3. First heatsink positioning buckle; 31. Gap slot insert plate; 32. Spring; 33. Concave elastic plate; 34. Connecting end plate; 4. CPU contact panel; 41. Bolt; 42. Screw; 43. Double hole panel; 5. First heatsink body; 6. Second heatsink positioning buckle; 7. Heatsink fittings; 8. First cooling fan; 81. First metal fastener; 9. Second cooling fan; 91. Second metal fastener. Detailed Implementation

[0030] The above-mentioned and other technical features and advantages of this utility model will be described in more detail below with reference to the accompanying drawings.

[0031] Example 1

[0032] This embodiment provides a technical solution: a computer fan, such as... Figure 1 As shown, it includes a base 2, a CPU contact panel 4, a heat pipe 7, a heat sink mechanism, and a fan mechanism.

[0033] like Figures 1-3As shown, the CPU contact panel 4 is fixed in the inner side of the lower surface opening of the base 2, and passes through the gap of the lower surface opening of the base 2, so that the CPU contact panel 4 can be correspondingly clamped in the inner side, facilitating installation and removal. The CPU contact panel 4 can be conveniently removed for cleaning after applying thermal grease, and can effectively absorb heat when contacting the CPU of the computer, thereby effectively dissipating heat from the computer CPU. The upper end of the CPU contact panel 4 is sleeved with a double-hole panel 43 for effective positioning and placement. The double-hole panel 43 and the CPU contact panel 4 are connected by a bolt 41. By tightening and loosening the bolt 41, the double-hole panel 43 can be installed and loosened. Screws 42 are threadedly connected to the through holes at both ends of the double-hole panel 43, and the screws 42 can be threadedly rotated on the double-hole panel 43, so that the computer mainboard can be rotated and installed or loosened.

[0034] As Figure 1 , Figure 3 , Figure 4 and Figure 5 , the positioning mechanism is located between the heat sink mechanism and the fan mechanism, and serves to connect and fix. The positioning mechanism includes a first heat sink positioning buckle 3 and a second heat sink positioning buckle 6, which have the same structure, so that they can be effectively installed and connected by corresponding clamping.

[0035] The first heat sink positioning buckle 3 includes a connecting end plate 34, which can be fixed on the outer side of the second heat sink fan 9 and the first heat sink fan 8 by glue, thereby being effectively installed and fixed. Symmetrical inter-slot insertion plates 31 are fixed to the inner ends of the connecting end plate 34. The inter-slot insertion plates 31 can be correspondingly clamped in the first heat sink body 5 and the second heat sink body 1. Concave elastic plates 33 are installed at the outer ends of the inter-slot insertion plates 31. Springs 32 are fixed to the openings of the concave elastic plates 33. The concave elastic plates 33 are elastically clamped by the springs 32, so that they can be correspondingly elastically clamped in the first heat sink body 5 and the second heat sink body 1. In this way, the corresponding clamping fixing effect is achieved, avoiding the noise caused by loosening, and the overall stable installation facilitates corresponding installation and use.

[0036] The first heat sink positioning buckle 3 is fixed in the middle of the two sides of the first heat sink fan 8 and the first heat sink body 5, so as to be effectively and elastically clamped. The second heat sink positioning buckle 6 is installed in the middle of the two sides of the second heat sink fan 9 and the second heat sink body 1, so as to be effectively and elastically clamped.

[0037] In use, if corresponding installation is required, the first heat sink positioning buckle 3 and the second heat sink positioning buckle 6 can be used to stably install the first heat sink body 5 and the second heat sink body 1, so as to satisfy the stable overall installation and use, and effectively avoid the noise caused by loosening during installation.

[0038] Embodiment Two

[0039] This embodiment is further optimized on the basis of Embodiment One, and the same parts as the foregoing technical solutions will not be repeated here, such as Figure 1 and Figure 2 To better achieve the utility model, the following arrangement is particularly adopted: the heat dissipation pipe 7, a plurality of heat dissipation pipes 7 are symmetrically installed between the base 2 and the CPU contact panel 4, and the plurality of heat dissipation pipes 7 can effectively absorb the heat of the base 2 and the CPU contact panel 4; the heat dissipation mechanism, the heat dissipation mechanism is respectively located on the two ends of the heat dissipation pipe 7, thereby effectively closely adhering together, so that the heat can be efficiently transferred, and the heat dissipation mechanism is used for absorbing the heat of the heat dissipation pipe 7 to dissipate heat.

[0040] The heat dissipation mechanism comprises a second heat dissipation mechanism body 1 and a first heat dissipation mechanism body 5, the second heat dissipation mechanism body 1 and the first heat dissipation mechanism body 5 are the same structure and are symmetrically arranged, and the second heat dissipation mechanism body 1 and the first heat dissipation mechanism body 5 are fixedly connected to the periphery of the heat dissipation pipe 7, and the second heat dissipation mechanism body 1 and the first heat dissipation mechanism body 5 can effectively absorb the heat of the heat dissipation pipe 7.

[0041] The second heat dissipation mechanism body 1 comprises a plurality of front heat dissipation fins 13, the last end of the plurality of front heat dissipation fins 13 is provided with a plurality of rear heat dissipation fins 12, the rear heat dissipation fins 12 and the front heat dissipation fins 13 are made of aluminum material, can effectively absorb heat to dissipate heat, and the plurality of rear heat dissipation fins 12 and the front heat dissipation fins 13 are provided with gap grooves 11, so that the convection wind can pass through, so that the heat can be taken away by convection, and the purpose of efficient heat dissipation is achieved, the rear heat dissipation fins 12 and the front heat dissipation fins 13 are fixedly connected to the periphery of the heat dissipation pipe 7, and the rear heat dissipation fins 12 and the front heat dissipation fins 13 can effectively absorb the heat of the heat dissipation pipe 7 through heat transfer.

[0042] Embodiment Two

[0043] This embodiment is further optimized on the basis of Embodiment One, and the same parts as the foregoing technical solutions will not be repeated here, such as Figures 1-3As shown, further, to better achieve the utility model, particularly using the following setting mode: fan mechanism, fan mechanism is located at the outside of radiator mechanism, fan mechanism is used for emitting the heat absorbed by radiator mechanism, fan mechanism includes second radiator fan 9 and first radiator fan 8, second radiator fan 9 passes through the rotation of fan blade, thereby generates the internal and external pressure difference, so that air flows under the pressure difference, the flowing air can effectively take away heat and radiate, second radiator fan 9 is located between the second radiator body 1 and the first radiator body 5 of radiator mechanism, thereby the air of convection can take away the heat absorbed by second radiator body 1 and first radiator body 5, first radiator fan 8 is located on the outside of first radiator body 5 in radiator mechanism, first radiator fan 8 passes through the rotation of fan blade, thereby generates the internal and external pressure difference, so that air flows under the pressure difference, the flowing air can effectively take away the heat absorbed by first radiator body 5 and radiate;

[0044] The two ends of first radiator fan 8 are buckled and installed on the outside of first radiator body 5 through two first metal buckles 81, effective buckling installation, convenient for installation and disassembly, the two ends of second radiator fan 9 are buckled and installed on the inside of second radiator body 1 through two second metal buckles 91, effective buckling installation, convenient for installation and disassembly.

[0045] The above is only the preferred embodiment of the utility model, for the utility model is only illustrative, not limiting. The skilled person understands that it can be changed, modified, even equivalent within the spirit and scope defined by the utility model claims, but all will fall into the protection scope of the utility model.

Claims

1. A computer fan, characterized by, It includes: Base (2); CPU contact panel (4) is fixed to the lower surface opening of the base (2) inside, the upper end of the CPU contact panel (4) is provided with a double hole panel (43), the double hole panel (43) and the CPU contact panel (4) are connected by bolts (41), and the both ends of the double hole panel (43) are provided with screws (42); The heat dissipation pipe (7) is symmetrically arranged between the base (2) and the CPU contact panel (4); The heat dissipation mechanism is respectively located on the both ends of the heat dissipation pipe (7), and the heat dissipation mechanism is used for absorbing the heat of the heat dissipation pipe (7) and dissipating heat; The fan mechanism is located outside the heat dissipation mechanism, and the fan mechanism is used for dissipating the heat absorbed by the heat dissipation mechanism, The positioning mechanism is located between the heat dissipation mechanism and the fan mechanism.

2. The computer fan of claim 1, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The heat dissipation mechanism includes a second heat dissipation mechanism body (1) and a first heat dissipation mechanism body (5), the structures of the second heat dissipation mechanism body (1) and the first heat dissipation mechanism body (5) are the same, and the second heat dissipation mechanism body (1) and the first heat dissipation mechanism body (5) are symmetrically arranged, and the second heat dissipation mechanism body (1) and the first heat dissipation mechanism body (5) are fixedly connected with the periphery of the heat dissipation pipe (7).

3. The computer fan of claim 2, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The second heat dissipation mechanism body (1) includes a plurality of front heat dissipation fins (13), the distal ends of the plurality of front heat dissipation fins (13) are provided with a plurality of rear heat dissipation fins (12), a gap groove (11) is arranged between the plurality of rear heat dissipation fins (12) and the front heat dissipation fins (13), and the rear heat dissipation fins (12) and the front heat dissipation fins (13) are fixedly connected on the periphery of the heat dissipation pipe (7).

4. A computer fan as described in claim 1, characterized in that, The fan mechanism includes a second heat dissipation fan (9) and a first heat dissipation fan (8), the second heat dissipation fan (9) is located between the second heat dissipation mechanism body (1) and the first heat dissipation mechanism body (5) of the heat dissipation mechanism, and the first heat dissipation fan (8) is located on the outside of the first heat dissipation mechanism body (5) in the heat dissipation mechanism.

5. The computer fan of claim 4, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The both ends of the first heat dissipation fan (8) are buckled and installed on the outside of the first heat dissipation mechanism body (5) through two first metal buckles (81), and the both ends of the second heat dissipation fan (9) are buckled and installed on the inside of the second heat dissipation mechanism body (1) through two second metal buckles (91).

6. The computer fan of claim 5, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The positioning mechanism includes a first heat dissipation mechanism positioning buckle (3) and a second heat dissipation mechanism positioning buckle (6), the first heat dissipation fan (8) and the first heat dissipation mechanism body (5) are provided with the first heat dissipation mechanism positioning buckle (3) in the middle of the two sides, and the second heat dissipation fan (9) and the second heat dissipation mechanism body (1) are provided with the second heat dissipation mechanism positioning buckle (6) in the middle of the two sides.

7. The computer fan of claim 6, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The first heat dissipation mechanism positioning buckle (3) and the second heat dissipation mechanism positioning buckle (6) have the same structure.

8. The computer fan of claim 7, wherein the fan housing includes a plurality of ribs extending from the base to the top surface of the fan housing. The first heat-dissipating radiator positioning buckle (3) comprises a connecting end plate (34), symmetrical interspace inserting plates (31) are arranged on both sides of the inner end of the connecting end plate (34), recessed elastic plates (33) are arranged at the outer ends of the interspace inserting plates (31), springs (32) are arranged at the openings of the recessed elastic plates (33), and the recessed elastic plates (33) are elastically buckled through the springs (32).