Fan heat dissipation assembly

Abstract

The utility model provides a fan heat dissipation assembly, and belongs to the technical field of machinery. The problem that an existing fan is complex in heat dissipation structure is solved. The fan cooling assembly comprises a cooling fin, the cooling fin is composed of a circular ring body and a circle of fins formed on the outer side wall of the circular ring body, the upper end of the cooling fin is sleeved and fixed with an annular base, the edge of the base extends downwards to form a circle of internal threaded pipes, and the internal threaded pipes are evenly distributed in the circumferential direction of the base; the top of the inner threaded pipe is open, and an outer threaded column is vertically formed on the bottom face of the inner threaded pipe. The fan heat dissipation assembly is simple in structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a fan, in particular to a fan heat dissipation component. Background Art

[0002] The heat dissipation fan is used to reduce the temperature of the equipment, protect the equipment and extend its service life. It is generally composed of a fan and a heat sink arranged on one side of the fan.

[0003] Existing heat dissipation fans, such as a heat sink, a heat sink fan, and a method for manufacturing a heat sink (application number: 200810003442.6) disclosed in the Chinese Patent Library, are heat sinks used to conduct heat from electronic components, and have a base having a plane and being a columnar base extending substantially perpendicularly to the plane, and an area defined by the plane being formed solid in a direction substantially perpendicular to the plane; and a plurality of fin portions extending from the inner side of the base toward the outer side, and the base and the plurality of fin portions being integrally formed of the same material; the heat sink fan has a cooling fan, which is arranged on the opposite side of the plane across the base, and is used to convey a cooling air flow to the heat sink, and the cooling fan has: an impeller having a plurality of blades that generate an air flow in an axial direction by rotating around a central axis; a motor portion that rotates and drives the impeller; and a housing having a wind tunnel portion that surrounds the impeller from the outer side of the impeller and supports the motor portion.

[0004] In the above-mentioned radiator, the cooling fan is the only one that is compatible with the radiator, which not only affects the adaptability of the radiator, but also requires a specific bracket for positioning, making the structure complicated. Utility Model Content

[0005] The utility model aims to solve the above problems in the prior art and proposes a fan heat dissipation component with high adaptability and simple structure.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a fan heat dissipation component, including a heat sink, the heat sink is composed of a circular ring body and a circle of fins formed on the outer wall of the circular ring body, and is characterized in that a circular ring-shaped base is arranged and fixed on the upper end of the heat sink, the edge of the base extends downward to form a circle of internal threaded tubes, and the internal threaded tubes are evenly distributed along the circumference of the base; the top of the internal threaded tube is open, and an external threaded column is vertically formed on the bottom surface of the internal threaded tube.

[0007] During actual installation, the number of bolt holes on the internal threaded pipe and the heat dissipation fan is the same and the positions correspond one to one, and the heat dissipation fan is positioned on the base through the cooperation of the internal threaded pipe, bolts and bolt holes; the base is fixed through the cooperation of external threaded columns and nuts.

[0008] This heat dissipation component can adapt to different types of heat dissipation fans by simply changing the number and distribution angle of the internal threaded tubes on the base. At the same time, the base is positioned by the external threaded columns thereon. That is, in this application, the base is used for positioning both the heat dissipation fan and the heat sink, achieving a dual-purpose effect, thereby enabling the heat dissipation component to have the advantages of high adaptability and simple structure.

[0009] In the above-mentioned fan heat dissipation assembly, the shape and size of the inner hole of the base match the heat sink, and the heat sink is clamped in the base, which has the advantages of simple structure and convenient assembly.

[0010] In the fan heat dissipation assembly, a ring-shaped limit seat is formed on the inner wall of the upper end of the base, the limit seat is coaxially arranged with the base, and the top surface of the heat sink is pressed on the bottom surface of the limit seat. The limit seat is arranged so that the heat sink is snapped into place at one time, which further facilitates assembly.

[0011] In the above-mentioned fan heat dissipation assembly, the lower ends of the fins on both sides of the heat sink are horizontally provided with inverted L-shaped notches, and multiple notches on the same side form a long strip-shaped positioning groove; the base is elastic, and the bottom surface of the base extends downward to form a barb part matching the positioning groove, and there are two barbs that are respectively buckled on the top surfaces of the two positioning grooves. With the cooperation of the barbs and the limiting seat, the heat sink can be effectively limited in the axial direction, the connection strength between the heat sink and the base is strengthened, and the structural stability of the heat dissipation assembly is improved.

[0012] In the above-mentioned fan heat dissipation assembly, the barb portion is in an arc shape coaxial with the base to increase the contact area between the barb portion and the heat sink, thereby enhancing the connection strength between the base and the heat sink and making the heat dissipation assembly structure more stable.

[0013] In the above-mentioned fan heat dissipation assembly, the base is made of plastic material to reduce the cost.

[0014] In the above-mentioned fan heat dissipation assembly, the base is made of stainless steel.

[0015] In the above-mentioned fan heat dissipation assembly, the base is an integrated structure and is integrally formed by injection molding.

[0016] In the above-mentioned fan heat dissipation assembly, a reinforcing rib with a triangular structure is formed between the bottom surface of the internally threaded tube and the outer side surface of the externally threaded column to strengthen the structural strength of the externally threaded column and make the entire heat dissipation assembly more stably positioned.

[0017] Compared with the prior art, the fan heat dissipation assembly has the following advantages:

[0018] 1. This heat dissipation component can adapt to different types of heat dissipation fans by simply changing the number and distribution angle of the internal threaded tubes on the base. At the same time, the base is positioned by the external threaded columns thereon. In this application, the base is used to position the heat dissipation fan and the heat sink at the same time, and has a dual-purpose effect, so that the heat dissipation component has the advantages of high adaptability and simple structure.

[0019] 2. With the cooperation of the barb and the limiting seat, the heat sink can be effectively limited in the axial direction, the connection strength between the heat sink and the base is strengthened, and the structural stability of the heat sink assembly is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the fan heat dissipation component.

[0021] Figure 2 It is a cross-sectional schematic diagram of a fan heat dissipation component.

[0022] Figure 3 It is a three-dimensional schematic diagram of the heat sink.

[0023] In the figure, 1, heat sink; 1a, annular body; 1b, fin; 1b1, notch; 2, base; 2a, internal threaded tube; 2b, external threaded column; 2c, limit seat; 2d, barb part; 2e, reinforcing rib. DETAILED DESCRIPTION

[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0025] Embodiment 1

[0026] like Figure 1 As shown, the fan heat dissipation assembly includes a heat sink 1, which is composed of a ring body 1a and a circle of fins 1b formed on the outer wall of the ring body 1a. In actual products, the fins 1b are arc-shaped, and the end of the fins 1b away from the ring body 1a is forked to increase the heat dissipation area of ​​the fins 1b, so that the heat dissipation of the heat sink 1 is better.

[0027] Specifically,

[0028] like Figure 1 and Figure 2 As shown, a circular ring-shaped base 2 is disposed and fixed on the upper end of the heat sink 1, and the edge of the base 2 extends downward to form a circle of internal threaded tubes 2a, and the internal threaded tubes 2a are evenly distributed along the circumference of the base 2. The top of the internal threaded tube 2a is open, and an external threaded column 2b is vertically formed on the bottom surface of the internal threaded tube 2a. Preferably, the external threaded column 2b and the internal threaded tube 2a are coaxially arranged.

[0029] During actual installation, the number of bolt holes on the internal threaded tube 2a and the heat dissipation fan is the same and the positions correspond one to one, and the heat dissipation fan is positioned on the base 2 by the internal threaded tube 2a, bolts and bolt holes; the base 2 is fixed by the external threaded column 2b and nuts.

[0030] The heat dissipation component can be adapted to different types of heat dissipation fans by simply changing the number and distribution angle of the internal threaded tubes 2a on the base 2. At the same time, the base 2 is positioned by the external threaded columns 2b thereon. That is, in the present application, the base 2 is used for positioning both the heat dissipation fan and the heat sink 1, achieving a dual-purpose effect, thereby enabling the heat dissipation component to obtain the advantages of high adaptability and simple structure.

[0031] In this embodiment,

[0032] The connection method between the base 2 and the heat sink 1 is as follows: the shape and size of the inner hole of the base 2 match the heat sink 1, and the heat sink 1 is clamped in the base 2, which has the advantages of simple structure and convenient assembly. Further explanation, a ring-shaped limit seat 2c is formed on the inner wall of the upper end of the base 2, and the limit seat 2c is coaxially arranged with the base 2, and the top surface of the heat sink 1 is pressed on the bottom surface of the limit seat 2c. The limit seat 2c is provided so that the heat sink 1 is clamped in place at one time, which further facilitates assembly.

[0033] like Figure 2 and Figure 3 As shown, the lower ends of the fins 1b on both sides of the heat sink 1 are horizontally provided with inverted L-shaped notches 1b1, and multiple notches 1b1 on the same side form a long strip-shaped positioning groove; the base 2 is elastic, and the bottom surface of the base 2 extends downward to form a barb portion 2d matching the positioning groove, and there are two barb portions 2d, which are respectively buckled on the top surfaces of the two positioning grooves. With the cooperation of the barb portion 2d and the limiting seat 2c, the heat sink 1 can be effectively limited in the axial direction, the connection strength between the heat sink 1 and the base 2 is strengthened, and the structural stability of the heat sink assembly is improved.

[0034] in,

[0035] The barb portion 2d is in an arc shape coaxial with the base 2 to increase the contact area between the barb portion 2d and the heat sink 1, thereby enhancing the connection strength between the base 2 and the heat sink 1 and making the heat sink assembly structure more stable.

[0036] The base 2 is made of plastic material or stainless steel material. Preferably, the base 2 is made of plastic material, and the base 2 is an integral structure and is integrally formed by injection molding.

[0037] In the actual product, a reinforcing rib 2e with a triangular structure is formed between the bottom surface of the internal threaded tube 2a and the outer side surface of the external threaded column 2b to strengthen the structural strength of the external threaded column 2b and make the entire heat dissipation assembly more stably positioned.

[0038] Embodiment 2

[0039] The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that the base 2 is fixedly connected to the heat sink 1 by welding or bonding.

[0040] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A fan heat dissipation assembly, comprising a heat sink (1), the heat sink (1) comprising a circular ring (1a) and a circle of fins (1b) formed on the outer wall of the circular ring (1a), characterized in that: A circular base (2) is disposed and fixed on the upper end of the heat sink (1); the edge of the base (2) extends downward to form a circle of internally threaded tubes (2a), and the internally threaded tubes (2a) are evenly distributed along the circumference of the base (2); the top of the internally threaded tube (2a) is open, and an externally threaded column (2b) is vertically formed on the bottom surface of the internally threaded tube (2a).

2. The fan heat dissipation assembly according to claim 1, characterized in that: The shape and size of the inner hole of the base (2) match those of the heat sink (1), and the heat sink (1) is clamped in the base (2).

3. The fan heat dissipation assembly according to claim 2, characterized in that: An annular limiting seat (2c) is formed on the inner wall of the upper end of the base (2); the limiting seat (2c) is coaxially arranged with the base (2), and the top surface of the heat sink (1) is pressed against the bottom surface of the limiting seat (2c).

4. The fan heat dissipation assembly according to claim 3, characterized in that: The lower ends of the fins (1b) on both sides of the heat sink (1) are horizontally provided with inverted L-shaped notches (1b1), and a plurality of notches (1b1) on the same side form a long strip-shaped positioning groove; the base (2) is elastic, and the bottom surface of the base (2) extends downward to form a barb portion (2d) matching the positioning groove, and there are two barb portions (2d) which are respectively buckled on the top surfaces of the two positioning grooves.

5. The fan heat dissipation assembly according to claim 4, characterized in that: The barb portion (2d) is in the shape of an arc coaxial with the base (2).

6. The fan heat dissipation assembly according to claim 4 or 5, characterized in that: The base (2) is made of plastic material.

7. The fan heat dissipation assembly according to claim 4 or 5, characterized in that: The base (2) is made of stainless steel.

8. The fan heat dissipation assembly according to claim 6, characterized in that: The base (2) is an integral structure and is integrally formed by injection molding.

9. The fan heat dissipation assembly according to claim 1, characterized in that: A reinforcing rib (2e) having a triangular structure is formed between the bottom surface of the internally threaded tube (2a) and the outer side surface of the externally threaded column (2b).

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