TWM455154U - Heat sink structure - Google Patents

Description

Radiator structure

The present invention relates to a heat sink structure, and more particularly to a ring heat sink structure.

The conventional cylindrical heat sink comprises a cylinder and a plurality of fins connected to the peripheral surface of the cylinder. The connection between the fin and the surrounding surface of the cylinder is disclosed by the prior art as follows:

1. The invention patent of the Republic of China Patent Application No. 098105429 discloses a tubular heat sink fin assembly and fastening method and an application device thereof, which mainly comprise: a mold base driven by a power source and thereby generating a stepping rotation operation; Providing a cylinder body, the cylinder body is disposed on the mold base, and a plurality of grooves are arranged on a surface of the cylinder body; a fin group is provided, and a plurality of fins are arranged, and the fin group is disposed on one end side of the mold base, intermittently When the rotating cylinder drives the groove and the fin corresponding to the guiding, the fin is pushed by the inserting device, and the moving fins are sequentially inserted into the grooves of the cylinder; the grooves are inserted into the fins. The barrel is integrally joined to the fin by a subsequent tightening process, and is positioned around the barrel to form a heat sink.

2. The invention patent of the Republic of China Patent Application No. 097151576 discloses a method for fastening a heat sink, which mainly comprises a heat-conducting base and a fin set, wherein a surface of the base is provided with a plurality of grooves, and is disposed between the two grooves Guide groove; fin group, having a plurality of fins; providing a molding die, molding tool There is an inner space and a pressing end portion; an urgent bonding process is performed to make the forming mold and the heat sink relatively pressed, the heat sink is embedded in the inner space of the forming mold, and the pressing end portion axially breaks into the guiding groove to achieve deformation of the pressing groove, and The deformation groove pressing fins are tightly integrated; the above process can provide a punching riveting method superior to the conventional heat sink, thereby effectively reducing the breakage of the punch or the die, and improving the yield, precision and quality of the product. At the same time, it is convenient to apply to heat sink molding of different forms or shapes.

Each of the methods disclosed above inserts the fins into a recess, and then uses the die to punch the guide grooves on both sides of the groove, so that the groove deforms the compression fins to be tightly integrated, but this will cause several problems:

1. In addition to the groove on the outer surface of the cylinder, a guide groove is arranged, and the groove and the guide groove must be arranged at a distance, that is, the number of grooves on a limited surface area is reduced, thereby reducing the installation of the fins. Quantity.

2. There are many process steps and the product is made for a long time.

Therefore, how to solve the above problems and problems in the past, that is, the inventors of the case and related fields are eager to study the direction of improvement.

The purpose of this creation is to provide a heat sink structure that utilizes machining to create a high speed stamping bond.

Another object of the present invention is to provide a heat sink structure that can quickly assemble heat sink fins.

Another object of the present invention is to provide a heat sink structure that can strengthen the heat sink fins to be fastened and fixed.

Another object of the present invention is to provide a structure of a heat sink that increases heat dissipation efficiency.

In order to achieve the above object, the present invention provides a heat sink structure, comprising: a body having a first end and a second end, a longitudinal direction defined between the first end and the second end, and the body is first Between the end and the second end, there is a coupling channel and is distributed around the body; a plurality of heat dissipating fins are coupled around the body, and the heat dissipating fins have a first heat dissipating section and a second heat dissipating zone respectively a segment having a bent portion corresponding to the channel between the first heat dissipating portion and the second heat dissipating portion; wherein the main body has a high-speed impact on the plurality of fins through a mechanical processing manner The bent section of the plurality of fins is urged into the joint channel from the first end of the body and is moved along the longitudinal direction to the second end and is integrated with the joint channel.

Thereby, the body and the heat dissipation fins can be quickly assembled and the heat dissipation fins can be tightly fastened and fixed on the body, so as to reduce the assembly time and the tight bonding between the body and the heat dissipation fins.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

Please refer to the figures 1 , 2 and 3 , which are schematic exploded perspective view of the first preferred embodiment of the heat sink structure of the present invention, a schematic view of the three-dimensional combination, and a schematic diagram of the heat dissipation fins. As shown in the figure, the heat sink 10 of the present invention comprises a body 11 and a plurality of heat sink fins 12; the body 11 has a first end 111 and a second end 112, the first end 111 and the second end A longitudinal direction a is defined between 112, and the body 11 has a coupling channel 113 between the first end 111 and the second end 112 and is distributed around the body 11. The coupling channel 113 is along the first end 111. The longitudinal direction extends to the second end 112 and extends through the first end 111 and the second end 112.

And the portion 111 of the body 11 is disposed adjacent to the first end 111 to communicate with the coupling channel 113. The first end 111 of the body 11 is easy to interface with the plurality of heat dissipation fins 12, and In the embodiment, the urging portion 1131 has a width slightly larger than the width of the coupling channel 113, so that the heat dissipation fin 12 abuts the first end 111 of the body 11.

The heat dissipation fins 12 are respectively disposed around the body 11 , and the heat dissipation fins 12 respectively have a first heat dissipation section 121 and a second heat dissipation section 122 , and the first heat dissipation section 121 . And a bending (concave) section 123 corresponding to the second heat dissipating section 122 corresponding to the coupling channel 113 of the body 11 , and then from the first end 111 along the longitudinal direction to the second end 112 and the The combined channels 113 are integrated into one.

When the bent (concave) section 123 is completely forced into the second end 112, the two ends of the joint are horizontally fastened to the inner wall of the joint channel 113, and the bent section 123 can be formed into the heat dissipation. The first heat dissipation section 121 and the second heat dissipation section 122 are extended at the middle portion and/or the non-middle section of the fin 12 to make the first heat dissipation The section 121 and the second heat dissipation section 122 are equal or inequality in size (area, volume, thickness, shape), and the first heat dissipation section 121 and the second heat dissipation section 122 are opposite to the body 11 The side straight line extends outwardly, and the portion of the bent portion 123 has a lead-in portion 1231 which is rounded or chamfered so that the joint channel 113 and the urging portion 1131 are easily and smoothly forced into the bent portion. 123.

Continuing to refer to Figures 4 through 7, the assembly and manufacturing of the foregoing structure will be described in detail later.

FIG. 4 is a manufacturing flow chart of the first preferred embodiment of the present invention, which includes:

Step 41: As shown in FIG. 5, a forming die 20 is provided having an inner side surface 21, an upper surface 22 and a plurality of slots 23 defining an inner space 24 and defining a central body 25, the plurality of slots A hole 23 is radially formed around the inner space 24 and communicates with the inner space 24 and penetrates the upper surface 22.

Step 42: As shown in FIG. 5, a body 11 is provided, having a first end 111 and a second end 112 and a plurality of portions disposed between the first end 111 and the second end 112 and distributed around the body 11. In conjunction with the channel 113, a longitudinal direction is defined between the first end 111 and the second end 112, and the first end 111 is correspondingly disposed in the inner space 24.

Step 43: As shown in FIG. 5, a plurality of heat dissipation fins 12 are provided, and a first heat dissipation section 121 and a second heat dissipation section 122 are respectively disposed in one of the slots 23, and the first heat dissipation area is provided. Between the segment 121 and the second heat dissipating portion 122, a bent portion 123 protrudes from the inner side surface 21 of the forming mold 20; In this step, each of the bending sections 123 corresponds to a coupling channel 113 and an urging portion 1131.

Step 44: As shown in the fifth and sixth and seventh embodiments, the body 11 is rushed into the inner space 24 at a high speed by a mechanical processing method, and the body 11 is moved relative to the plurality of heat dissipation fins 12 to make the plurality of heat dissipation fins The bending section 123 of the 12 is forced into the coupling channel 113 at a high speed, and moves longitudinally along the coupling channel 113 until the second end 112 is tightly integrated with the coupling channel 113.

In this step, the body 11 is subjected to a machining method in which a compressed gas generator 30 generates a compressed gas as a power source, and the compressed gas generates power at the moment of pressure release to push the body 11 at high speed. The inner space 24 is inserted into the inner space 24, and the pressing portion 1131 and the joint channel 113 are forced into the bending portion 123 at a high speed from above the forming mold 20, thereby being integrated into one body, and the bending portion 123 is completely forced into the space. The second end 112 is horizontally fastened to the inner wall of the connecting channel 113, and the first heat dissipating section 121 and the second heat dissipating section 122 extend straight outward toward the other side of the body 11 to form a Heat sink 10. The center body 25 can ensure that the body 11 can be aligned when it is swung down into the inner space 24, and can be moved downward along the center body. The compressed gas implement 30 is, for example but not limited to, a compressor.

Referring to Fig. 2, after completion of step 44, the heat sink 10 is taken out from the forming mold 20.

The foregoing body 11 is shown as a hollow, but in another possible implementation, the aforementioned body 11 may be solid, and when the body 11 is solid, the forming die 20 The inner space 24 has no center body 25.

Thereby, the body 11 and the heat dissipation fins 12 can be assembled quickly and the heat dissipation fins 12 are effectively fastened and fixed on the body 11 to reduce the assembly time and the tight bonding between the body 11 and the heat dissipation fins 12 . .

FIG. 8 is a perspective view of a second preferred embodiment of the heat sink structure of the present invention, a schematic plan view and a schematic view of the second preferred embodiment of the present invention, which is another preferred embodiment of the present invention. The overall structure and the component connection relationship are substantially the same as those of the first preferred embodiment, and the same is not claimed herein. In the present embodiment, the heat sink 10 is further included in the difference from the first preferred embodiment. There is a second heat dissipation fin 13a, and the second heat dissipation fin 13a has a shape corresponding to the heat dissipation fin 12, and a second heat dissipation portion 131a and a fourth heat dissipation area are respectively disposed at two ends of the second heat dissipation fin 13a. The segment 132a has a second bending section 133a between the third heat dissipation section 131a and the fourth heat dissipation section 132a, and the second heat dissipation fin 13a is steered relative to the heat dissipation fin 12 and the heat dissipation fin The first heat dissipation section 131 is oppositely disposed in the first heat dissipation section 121 and the second heat dissipation section 122 and is locked in the bending section 123, and the first heat dissipation section 121 is opposite. The card is disposed on the second bending section 133a, whereby the heat dissipation fin 12 can pass through The heat radiating portion 131a of the third card is provided to enhance structural strength of the heat conduction effect by heat radiation.

The forming die 20 defines a second slot 25a for the second heat dissipating fin 13a, and the second slot 25a is opposite to the third heat dissipating section 131a. 121 and the second heat dissipation section 122 The heat dissipating fins 12 are disposed in the slots when the heat dissipating fins 12 and the second heat dissipating fins 13 are disposed in the slot 23 and the second slot 25 . The third heat dissipation portion 131 a of the second heat dissipation fin 13 a is disposed in the first heat dissipation portion 121 and the second heat dissipation portion 122 and is disposed in the bending portion 123 .

FIG. 9 is a perspective view of a third preferred embodiment of the heat sink structure of the present invention, a schematic plan view and an implementation schematic view, which are still further preferred embodiments of the present invention. The overall structure and the component connection relationship are substantially the same as those of the second preferred embodiment, and the second heat dissipation fin is different from the first preferred embodiment in this embodiment. The fourth heat dissipation portion 132a of 13a may also be assembled with another adjacent heat dissipation fin 12, and when the fourth heat dissipation portion 132a is assembled with another adjacent heat dissipation fin 12, it is oppositely disposed to the other The first heat dissipation section 121 and the second heat dissipation section 122 of the heat dissipation fin 12 are disposed in the bending section 123, and the third heat dissipation section 131a and the fourth heat dissipation section 132a are The two bending sections 133a are oppositely disposed for the first heat dissipation section 121 and the second heat dissipation section 122, and at the same time, as can be clearly seen from the above embodiment and the figure, the third heat dissipation section 131a is relatively disposed. In the first heat dissipation section 121 and the second heat dissipation section 122 and in the bending section 123, The heat dissipation fins 12 can enhance the structural strength and heat conduction heat dissipation through the clamping of the third heat dissipation portion 131a and the fourth heat dissipation portion 132a and the second bending portion 133a of the second heat dissipation fin 13a. Efficacy.

The forming die 20 defines a second slot 25a for the second heat dissipating fin 13a. The second slot 25a is opposite to the third heat dissipating section 131a. In the segment 121 and the second heat dissipation portion 122 and corresponding to the bending portion 123, and the position where the fourth heat dissipation portion 132a is disposed is opposite to the other first heat dissipation portion 121 and the second heat dissipation portion 122. The heat dissipation fins 12 are disposed in the slots 23 when the heat dissipation fins 12 and the second heat dissipation fins 13 are disposed in the slot 23 and the second slot 25a. The third heat dissipation portion 131a of the second heat dissipation fin 13a is disposed opposite to the first heat dissipation portion 121 and the second heat dissipation portion 122 and is disposed in the bending portion 123, and the fourth heat dissipation portion is disposed. The section 132 a is disposed opposite to the other first heat dissipation section 121 and the second heat dissipation section 122 and is locked to the other bending section 123 .

10A and 10B and 10C are a perspective view of a fourth preferred embodiment of the heat sink structure of the present invention, a schematic plan view and an implementation schematic view, which are still further preferred embodiments of the present invention. The overall structure and the component connection relationship are substantially the same as those of the first preferred embodiment, and the same is not claimed herein. In the present embodiment, the heat sink 10 is further included in the difference from the first preferred embodiment. There is a second heat dissipation fin 13b. The second heat dissipation fin 13b is disposed in the first heat dissipation section 121 and the second heat dissipation section 122 and is disposed in the bending section 123. The fins 12 can enhance the structural strength and the heat conduction heat dissipation effect through the clamping of the second heat dissipation fins 13b.

Wherein the forming mold 20 is further defined for the second heat dissipating fins 13b to be disposed The second slot 25b is formed in the first heat dissipation section 121 and the second heat dissipation section 122 at a position where the second heat dissipation fin 13b is disposed, and one end corresponds to the bending area. In the segment 123, when the heat dissipation fins 12 and the second heat dissipation fins 13b are disposed in the slot 23 and the second slot 25b, the heat dissipation fins 12 are disposed in the slot 23, and the second heat dissipation The fins 13 b are disposed opposite to the first heat dissipation section 121 and the second heat dissipation section 122 , and one end is locked to the bending section 123 .

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

10‧‧‧ radiator

11‧‧‧Ontology

111‧‧‧ first end

112‧‧‧ second end

113‧‧‧ Combined channel

1131‧‧‧Enforced Department

12‧‧‧ Heat sink fins

121‧‧‧First heat dissipation section

122‧‧‧Second heat dissipation section

123‧‧‧Bending section

1231‧‧‧Importing Department

20‧‧‧Forming mould

21‧‧‧ inside

22‧‧‧ upper surface

23‧‧‧Slots

24 ‧ ‧ inner space

25‧‧‧ center body

25a, 25b‧‧‧ second slot

30‧‧‧Compressed gas tools

13a, 13b‧‧‧second heat sink fins

131a‧‧‧The third heat dissipation section

132a‧‧‧4th heat dissipation section

133a‧‧‧second bend section

A‧‧‧ portrait

1 is a perspective exploded view of a first preferred embodiment of the present invention; FIG. 2 is a perspective view of a first preferred embodiment of the present invention; FIG. 3 is a first preferred embodiment of the present invention Schematic diagram of a heat dissipating fin; FIG. 4 is a schematic diagram of a manufacturing process of the first preferred embodiment of the present invention; FIG. 5 is a first actuating diagram of the first preferred embodiment of the present invention; A second actuation diagram of a preferred embodiment; FIG. 7 is a third actuation diagram of the first preferred embodiment of the present invention; and FIG. 8A is a perspective view of a second preferred embodiment of the present invention; The figure is a schematic plan view of a second preferred embodiment of the present invention; and FIG. 8C is a schematic view showing the implementation of the second preferred embodiment of the present invention; 9A is a schematic perspective view of a third preferred embodiment of the present invention; FIG. 9B is a plan view showing a third preferred embodiment of the present invention; and FIG. 9C is a third preferred embodiment of the present invention. FIG. 10A is a schematic perspective view of a fourth preferred embodiment of the present invention; FIG. 10B is a plan view of a fourth preferred embodiment of the present invention; FIG. 10C is a fourth preferred embodiment of the present invention Schematic diagram of the implementation.

10‧‧‧ radiator

11‧‧‧Ontology

111‧‧‧ first end

112‧‧‧ second end

113‧‧‧ Combined channel

12‧‧‧ Heat sink fins

121‧‧‧First heat dissipation section

122‧‧‧Second heat dissipation section

123‧‧‧Bending section

Claims (8)

A heat sink structure includes a body having a first end and a second end, a longitudinal direction defined between the first end and the second end, and the body has a first end and a second end a first heat dissipation section and a second heat dissipation section are respectively disposed at two ends of the heat dissipation fins, and the first heat dissipation fins are respectively disposed around the body; A bending section between the heat dissipating section and the second heat dissipating section corresponds to the channel; wherein the system is mechanically processed to rapidly impact the plurality of fins to bend the plurality of fins The segment is forced into the coupling channel from the first end of the body and is moved along the longitudinal direction to the second end and is integrated with the coupling channel. The heat sink structure of claim 1, wherein the bending section is formed at a middle section and/or a non-middle section of the heat dissipation fin, and the first heat dissipation section and the extension are extended at both ends Two heat dissipation sections. The heat sink structure of claim 1, wherein the outer side of the bent section is relatively tightly engaged with the inner wall of the joint channel. The heat sink structure of claim 1, wherein the bent section has a lead-in portion that is rounded or chamfered. The heat sink structure of claim 1, wherein the body has an urging portion communicating with the coupling channel at the first end position. For example, the heat sink structure described in claim 1 includes a second dispersion. a heat dissipation fin, the second heat dissipation fin has a third heat dissipation section and a fourth heat dissipation section, and the second heat dissipation section and the fourth heat dissipation section have a second bending zone The third heat dissipating portion is disposed in the first heat dissipating portion and the second heat dissipating portion and is disposed in the bending portion, and the first heat dissipating portion is oppositely disposed in the second bending portion. segment. The heat sink structure of claim 6, wherein the fourth heat dissipating portion of the second heat dissipating fin is also assembled with another adjacent heat dissipating fin, so that the fourth heat dissipating portion is oppositely disposed on The first heat dissipation section and the second heat dissipation section are respectively disposed in the so-called bending section, and the second bending section respectively receives the first heat dissipation of the adjacent heat dissipation fins Section and second heat dissipation section. The heat sink structure of claim 1, further comprising a second heat dissipating fin, wherein the second heat dissipating fin is disposed at one end in the first heat dissipating portion and the second heat dissipating portion and is disposed in the Bending section.