TWI564534B - Heat sink - Google Patents

Description

heat sink

The invention relates to a heat sink, in particular to a heat sink for dissipating heat from electronic components.

The electronic components mounted on the circuit board generate a large amount of heat during operation. If the heat cannot be effectively dissipated, it will directly cause a sharp rise in temperature, which seriously affects the working performance and life of the electronic components. To this end, a heat sink is usually mounted on the electronic components for heat dissipation.

A conventional heat sink is formed by fastening a plurality of fins that are spaced apart from each other. Each fin includes a body and a flange formed by bending one side of the body from one side. A plurality of button holes are formed in each of the flanges to form a plurality of buckle pieces. The flanges at both ends of each fin extend in the same direction and abut against the body of the adjacent fins to maintain spacing between the fins. The flanges at the two ends of the fins are fastened to each other by a buckle and a buckle hole of each other. However, when the operator fastens all the fins, the flanges and cleats of one of the fins at the extreme end of the heat sink are directly exposed, which is easy to scratch the operator.

In view of this, it is necessary to provide a heat sink having an anti-scratch structure.

A heat sink includes a fin set including a plurality of first fins that are fastened to each other and a first fin that is outermost of the plurality of first fins that are fastened to each other a second fin having a first body and the first body a first flange formed on one side of the first flange, a first buckle hole and a first buckle adjacent to the first buckle hole, the heat sink further includes a gusset plate, the gusset includes a second body and a second flange formed by bending from a side of the second body, the second flange of the gusset is opposite to and abuts the first flange of the second fin, and the second fin A buckle is inserted through the gusset to fasten the two together.

Compared with the prior art, the heat sink of the present invention not only makes the heat sink look more beautiful, but also effectively solves the process of assembly and use of the heat sink by fastening the buckle to the second fin. The problem of scratching the operator.

10, 10a, 10b‧‧‧ first fin

102‧‧‧second fin

1000‧‧‧heatsink

100‧‧‧Fin set

11‧‧‧ 扣板

12, 13‧‧‧ ontology

122‧‧‧ bumps

14, 15‧ ‧ hem

16, 17‧‧‧ buttonhole

162, 182‧‧‧ extensions

164, 184‧‧ ‧ Body Department

18, 18a‧‧‧ buckle

1 is a schematic view showing the assembly of a heat sink according to an embodiment of the present invention.

Figure 2 is an exploded view of the heat sink of Figure 1.

Figure 3 is an enlarged view of a fin of the heat sink of Figure 2.

4 is an exploded enlarged view of the second fin and the gusset at the extreme end of the heat sink of FIG. 2.

Figure 5 is a partially exploded enlarged view of the heat sink of Figure 2.

Figure 6 is an enlarged view of a portion of the circle VI of Figure 1.

As shown in FIG. 1 and FIG. 2, a heat sink 1000 according to an embodiment of the present invention is used to dissipate heat from an electronic component, and includes a fin set 100 and a gusset 11. The fin set 100 includes a plurality of first fins 10 that are fastened to each other and a second fin 102 that is located at the extreme end. Each of the first and second fins 10 and 102 and the gusset 11 is formed of a metal material having good thermal conductivity such as copper or aluminum.

Referring to FIG. 3 and FIG. 4 simultaneously, each of the first and second fins 10, 102 includes a rectangular body 12. The top and bottom edges of the body 12 extend perpendicularly from the body 12 to form two flanges 14, respectively. Each flange 14 defines a buttonhole 16. Each of the button holes 16 includes a body portion 164 and an extension portion 162. The edge of the body 12 extends outwardly within each of the buttonholes 16 to define a projection 122. The flanges 14 of each of the first fins 10 extend in the same direction and abut against the body 12 of the adjacent first fins 10, so that the first fins 10 are kept equidistantly spaced.

Referring to FIG. 6 at the same time, the outer edge of each of the flanges 14 of the first fin 10 extends horizontally outwardly from each of the button holes 16 to form a buckle piece 18. Each cleat 18 includes a body portion 184 that abuts the buttonhole 16 and an extension portion 182 that extends outwardly from the body portion 184. The body portion 184 of the cleat 18 is adjacent to the extension 162 of the buckle hole 16. The width of the body portion 184 is greater than the width of the extension portion 182. The extension H of each of the buckle holes 16 extends by a distance H equal to the distance D of the extension 182 of each of the buckles 18 plus the thickness of the projections 122. The flanges 14 on the two sides between the first fins 10 are fastened to each other by the buckles 18 and the buckle holes 16 of each other.

Referring to FIG. 5 at the same time, for convenience of description, two adjacent first fins 10 are respectively labeled as 10a, 10b in FIG. The body portion 184 of the buckle 18 of the first fin 10a is correspondingly received in the body portion 164 of the buttonhole 16 of the first fin 10b. The extension portion 182 of the buckle 18 of the first fin 10a is correspondingly received. An extending portion 162 of the buttonhole 16 of the fin 10b, the extending portion 162 of the buttonhole 16 of the first fin 10a is correspondingly disposed on the protrusion 122 of the first fin 10b, thereby the first fin 10a and the first The fins 10b are fastened.

Referring to FIG. 4, an outer edge of each of the flanges 14 of the second fin 102 extends outwardly from a buckle piece 18a. The gusset 11 includes a rectangular body 13 and two flanges 15 extending from the opposite side vertical bodies 13 of the body 13. The body 13 is adjacent to the side of the flange 15 Four buckle holes 17 are formed in the edge of the buckle 18a of the fin 102. The position of the buckle 18a of the second fin 102 is closer to the two ends than the position of the buckle 18 of the first fin 10 in order to match the four fastening holes 17 of the gusset 11; the second fin The width of the cleat 18a of the 102 is smaller than the width of the cleat 18 of the first fin 10 and is equal to the width of the buckle hole 17 of the gusset 11.

The gusset 11 is disposed on the inner side of the second fin 102. The flange 15 of the gusset 11 is facing the folded edge 14 of the second fin 102 and abuts the inside of the folded edge 14 of the second fin 102. The cleat 18a of the second fin 102 is bent into the buckle hole 17 of the gusset 11 to fasten the second fin 102 and the gusset 11 .

It can be understood that the number of the hem, the buttonhole, and the buckle of the first and second fins 10, 102 and the gusset 11 may be one or more, and is not limited to the number described in the above embodiments.

By fastening the gusset 11 to the second fin 102, the heat sink 1000 not only looks more beautiful, but also effectively solves the problem that the heat sink 1000 scratches the operator during assembly and use. The problem.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

10‧‧‧First fin

102‧‧‧second fin

100‧‧‧Fin set

11‧‧‧ 扣板

12, 13‧‧‧ ontology

14, 15‧ ‧ hem

16, 17‧‧‧ buttonhole

18‧‧‧Bucks

Claims (9)

A heat sink includes a fin set including a plurality of first fins that are fastened to each other and a first fin that is outermost of the plurality of first fins that are fastened to each other a second fin having a first body and a first flange formed by bending from a side of the first body, the first flange being provided with a first fastening hole and the first The first fastening piece adjacent to the fastening hole is improved in that the heat sink further includes a gusset plate, the gusset plate includes a second body and a second folded edge formed by bending from a side of the second body, the gusset The second folded edge is opposite to and abuts the first folded edge of the second fin, and the first fastening piece of the second fin is disposed on the gusset to fasten the two together, and each of the first fins includes a body and a flange formed by bending from one side of the body, the edge of the body of each first fin extending in the buttonhole to form a protrusion, and the buckle of each first fin is correspondingly disposed adjacent to the body In the buttonhole of the other first fin, the buttonhole of the first fin corresponds to the protrusion of the other first fin, thereby A first fin and said fin further fastening. The heat sink of claim 1, wherein the second body of the gusset has a second buttonhole adjacent to the second flange thereof, the second buttonhole corresponding to the first of the second fins The first fastening piece of the second fin is bent into the second fastening hole of the gusset to fasten the two. The heat sink of claim 1, wherein the flanges of each of the first fins extend in the same direction and abut against the body of the adjacent first fins, and the folded edge of each of the first fins opens A buckle is formed in the hole and a buckle is formed beside the buckle hole. The first fin and the second fin are fastened to each other by a buckle and a buckle hole of each other. The heat sink of claim 3, wherein the buckle of each of the first fins comprises a body portion and an extension portion, and the fastening hole of each of the first fins comprises a body portion and an extension portion. The body portion of the cleat of the first fin is received in the buttonhole of the other first fin The extension of the buckle of the first fin is received in the extension of the buttonhole of the other first fin, and the extension of the buttonhole of the first fin is correspondingly inserted into the other portion. A protrusion of a first fin. The heat sink of claim 4, wherein the extension of the buttonhole of the first fin extends a distance equal to the distance extended by the extension of the buckle of the first fin plus the thickness of the protrusion. The heat sink of claim 5, wherein the width of the body portion of each of the cleats is greater than the width of the extension thereof. The heat sink of claim 1, wherein the gusset is placed inside the second fin. The heat sink of claim 1, wherein the second flange of the gusset abuts against the inner side of the first flange of the second fin. The heat sink of claim 1, wherein the gusset is formed of a metal material.