CN201966203U - A snap-fit fin set - Google Patents

Abstract

The utility model discloses a buckling type fin group, which comprises at least two fins, wherein the fins are rectangular; the two opposite edges of each fin are respectively provided with a bent extension block, the positions of the extension blocks on the fins are opposite, the bending angles of the extension blocks are right angles, and the bending directions of all the extension blocks are the same; the edge of the extension block is provided with a first notch, the first notch is positioned at one side where the extension block is connected with the fin, and the opening width of the first notch is not less than the bottom edge width of the first notch; the opposite edges of the first notch are provided with protrusions, the shapes of the first notch are matched with those of the protrusions, and the fins are connected with the protrusions in an interference mode through the first notches in the extending blocks. The fins of the utility model are connected by mechanical interference, the processing technology is simple, the fins are convenient to be made of thin materials, and the number and the area of the fins are increased; the distances between the single fins of the fin group are equal, so that the air duct is smooth, and the heat dissipation effect of the fin group is enhanced. The selectivity is wider in the factors of material cost, heat dissipation performance and the like.

Description

A snap-fit fin set

technical field

The utility model relates to fins of radiators, in particular to a fastening type fin group.

Background technique

Radiators are common passive cooling devices installed on computer processors, graphics cards, motherboard chipsets, and LED lights. They usually include a base plate, fin sets, and heat pipes, which take away the heat generated by the above heating devices through heat conduction. The passive heat dissipation feature of the radiator does not need to consume energy, so the radiator has been widely used in daily life. However, the production of traditional fin sets is to use aluminum ingots to form materials through extrusion dies at high temperatures, and then use machining methods to form heat sinks. Therefore, traditional fin sets have the following defects: 1. The use of materials is limited, and 2. The manufacturing process is complicated; 3. The heat dissipation performance of the product is not good.

Utility model content

Aiming at the above-mentioned problems of the traditional radiator fin group, the utility model provides a snap-fit fin group with simple manufacturing process, wide range of material selection, low cost and high heat dissipation performance. The solution of the utility model is:

A snap-fit fin set, comprising at least two fins, each of which is rectangular; bent extension blocks are respectively formed on two opposite edges of each fin, and the position of the extension block on each fin is Oppositely, the bending angle of each extension block is a right angle, and the bending direction of all the extension blocks is the same; the edge of the extension block is provided with a first notch, and the first notch is located between the extension block and the extension block. The side where the fins are connected, the opening width of the first notch is not less than the width of the bottom edge of the first notch; the opposite edge of the first notch is provided with a protrusion, and the first notch Matching with the shape of the protrusion, the fins are in conflicting connection with the protrusion through the first notch on the extension block.

Preferably, there is an even number of the extension blocks, and the extension blocks are equally distributed on two opposite edges of the fin.

Preferably, the edge of the fin is provided with a second notch, and the second notch is located on the side where the fin is connected to the extension block; the depth of the second notch is greater than that of the extension block The thickness; the extension block is located in the second notch.

Preferably, the protrusion on the extension block is provided with a first process notch, and the first process notch is located at the top of the protrusion.

Preferably, the protrusion on the extension block is provided with a second process notch, and the second process notch is located on two sides of the protrusion.

Preferably, the first notch is in a "V" shape.

The above-mentioned utility model scheme has the following advantages: the fins of the fin group are mechanically resistively connected, the processing technology is simple, and it is convenient to use thin materials to make fins, so that the number and area of fins in the fin group can be increased; The spacing between the fins and the single fins is equal to make the air passage unblocked and enhance the heat dissipation effect of the fin group. Moreover, it has wider options in factors such as material cost and heat dissipation performance.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model, constitute a part of the application, and do not constitute an improper limitation of the utility model. In the accompanying drawings:

Fig. 1 is the schematic diagram of the fin structure of the embodiment of the utility model;

Figure 2 is an enlarged schematic view of part A in Figure 1;

Fig. 3 is a schematic diagram of the structure of the fin group of the embodiment of the utility model;

FIG. 4 is an enlarged schematic diagram of part B in FIG. 3 .

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The schematic embodiments and descriptions of the utility model are used to explain the utility model, but not as a limitation to the utility model.

As shown in Figures 1 to 4, a flat plate-shaped fin 1 has a rectangular structure, and two extension blocks 2 are respectively provided on the two length edges of the fin 1, and the extension block 2 is also a rectangular structure. The block 2 is also provided with a first notch 21 on one side edge connected to the fin 1, the first notch 21 is punched in a "V" shape as a whole, and a protrusion 22 is provided on the opposite edge of the first notch 21, The shape of the protrusion 22 matches the shape of the first notch 21; the extension block 2 is equally distributed on the edge of the fin 1, and the extension block 2 extends from the edge of the fin 1 and bends to the same side, and the plane where the extension block 2 is located 90° perpendicular to the plane where the fin 1 is located;

The above-mentioned fins 1 are provided with more than one piece, and the fins 1 are stacked in parallel, the extension blocks 2 of the fins 1 face the same side, and the adjacent fins 1 pass through the first notch 21 on the extension block 2 and The protrusions 22 are connected into fin groups in a conflicting manner; in order to ensure that the protrusions 22 can be inserted into the adjacent first notches 21, the opening width of the first notches 21 is not less than the width of the bottom edge of the first notches 21; in order to ensure Due to the frictional force between the protrusion 22 and the first notch 21 , the shape of the protrusion 22 matches the first notch 21 .

When the extension block 2 is arranged on the two width edges of the fin 1, the extension block 2 and the fin 1 are also arranged as above.

As a preferred solution of the above-mentioned embodiment scheme, the number of extension blocks 2 on each length edge of the rectangular fin 1 can be 1 or more, so that the total number of extension blocks 2 on the two length edges of the rectangular fin 1 is An even number means to evenly disperse the frictional engagement force between the extension blocks 2 , and the extension blocks 2 are equally distributed on the edge of the fin 1 .

As an improvement of the above-mentioned embodiment, the length edge of the fin 1 is provided with a second notch 11, the depth of the second notch 11 is greater than the thickness of the extension block 2, and the extension block 2 extends from the second notch 11 and bends The fold is arranged vertically to the fin 1, so that the extension block 2 is located in the group of the fin 1 after interference connection.

As an improvement of the above-mentioned embodiment, the top of the protrusion 22 on the extension block 2 is also provided with a first process notch 221, and the first process notch 221 is inwardly recessed from the top of the protrusion 22; The two sides contacted by the opening 21 are respectively provided with a second process notch 222, the second process notch 222 is recessed from the side of the protrusion 22, the first process notch 221 and the second process notch 222 can simplify the stretching of the fin 1 1. The processing technology of bending the extension block 2.

The technical solutions provided by the embodiments of the present invention have been introduced in detail above. In this paper, specific examples have been used to illustrate the principles and implementation methods of the embodiments of the present invention. The descriptions of the above embodiments are only applicable to help understand the present invention. The principle of the embodiment; at the same time, for those of ordinary skill in the art, according to the embodiment of the present invention, there will be changes in the specific implementation and the scope of application. Utility model restrictions.

Claims (6)

1. A snap-fit fin group, characterized in that: comprising at least two fins, each fin being rectangular; Bending extension blocks are respectively formed on two opposite edges of the fins, the extension blocks on each fin are directly opposite, the bending angle of each extension block is a right angle, and the bending directions of all the extension blocks are the same ; The edge of the extension block is provided with a first notch, the first notch is located on the side where the extension block is connected to the fin, and the opening width of the first notch is not smaller than that of the first notch the width of the base of the mouth; The opposite edge of the first notch is provided with a protrusion, the first notch matches the shape of the protrusion, and the fins are in conflict with the protrusion through the first notch on the extension block connect. 2. A snap-fit fin set according to claim 1, characterized in that: There is an even number of the extension blocks, and the extension blocks are equally distributed on two opposite edges of the fins. 3. A snap-fit fin set according to claim 1, characterized in that: The edge of the fin is provided with a second notch, and the second notch is located on the side where the fin is connected to the extension block; The depth of the second notch is greater than the thickness of the extension block; The extension block is located in the second notch. 4. A snap-fit fin set according to claim 1, characterized in that: The protrusion on the extension block is provided with a first process notch, and the first process notch is located at the top of the protrusion. 5. A snap-fit fin set according to claim 1, characterized in that: The protrusion on the extension block is provided with a second process notch, and the second process notch is located on two sides of the protrusion. 6. A snap-fit fin set according to claim 1, characterized in that: The first notch is in a "V" shape.

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