CN203369037U - a radiator - Google Patents

Abstract

The utility model relates to a radiator. The utility model discloses a fin group and heat dissipation base, wherein the fin group comprises the fin that a plurality of parallel intervals set up, fin group and heat dissipation base joint. The lower end of each radiating fin is provided with a T-shaped mounting hole, the upper end of each radiating base is provided with a mounting part matched with the mounting hole, and the mounting parts of the radiating bases are sequentially inserted into the mounting holes of the radiating fins of the radiating fin group; at least one of two sides of the lower end of the heat dissipation base is provided with a pressure foot, a fixed space is formed between the pressure foot and the installation part, and the outer end part of the pressure foot bends towards the direction of the installation part. The utility model discloses a mode that fin group and heat dissipation base combined compresses tightly and fixed fin through the presser foot of heat dissipation base or the bending of joint piece, and this simple structure connects firmly and machining efficiency is high.

Description

a radiator

technical field

The utility model relates to the technical field of radiators, in particular to a radiator. the

Background technique

With the development of science and technology, electronic products are developing in the direction of miniaturization, and their sizes are getting smaller and smaller. Since electronic products emit a certain amount of heat when they are working, correspondingly, the heat generated in a unit space is getting bigger and bigger, which puts forward higher requirements for the heat dissipation of electronic products. At present, radiators have become an essential accessory for some electronic products. A commonly used radiator is mainly composed of a base and a plurality of fin groups with heat transfer and heat dissipation functions. The fin group includes a plurality of stacked fins. The radiator can also be provided with heat pipes to enhance the heat dissipation effect. the

The size of the contact area between the fins and the base and whether the connection is firm are important factors affecting the heat dissipation efficiency of the radiator. Connecting the fins to the base is a key step in the production process of the radiator. However, connecting the base to the fins is not easy to operate, resulting in low heat dissipation efficiency of the fins. the

Contents of the invention

The purpose of the utility model is to solve the deficiencies of the prior art and provide a heat sink with improved structure, the heat pipe of the heat sink can be directly connected with the fin group, the thermal resistance is small, and the heat dissipation efficiency is high. the

In order to achieve the above object, the technical scheme adopted in the utility model is:

A heat sink includes a heat dissipation fin group and a heat dissipation base, wherein the heat dissipation fin group is composed of a plurality of parallel and spaced heat dissipation fins, and the heat dissipation fin group is clamped with the heat dissipation base.

Among the two adjacent heat sinks, the front side of the heat sink on the rear side is provided with at least one connecting piece extending forward, and the heat sink on the front side is provided with a connecting hole matched with the connecting piece, and the connecting piece is inserted into the Connect the holes and fix the connection; thereby forming a heat sink group. Of course, the formation structure of the heat sink group can also be in other forms. the

Further, the lower end of the heat sink is provided with a T-shaped mounting hole, and the upper end of the heat dissipation base is provided with a mounting portion matched with the mounting hole, and the mounting portion of the heat dissipation base is sequentially inserted into the mounting holes of the heat sinks of the heat sink group ; At least one of the two sides of the lower end of the heat dissipation base is provided with a presser foot, a fixed space is formed between the presser foot and the installation part, and the outer end of the presser foot is bent toward the installation part. the

Further, the side of the installation hole is provided with a folded edge or a thickened part. the

Further, the bottom surface of the heat dissipation base is provided with a mounting groove for mounting a heat pipe. the

Further, the middle part of the T-shaped installation hole is concave upwards, and the top surface of the installation hole forms two heat dissipation slopes; the middle part of the upper end of the heat dissipation base protrudes upwards to form an installation slope matching the heat dissipation slopes. the

Further, the lower end of the heat sink is provided with at least one clamping foot, and the clamping foot includes a connecting part and a clamping part, and the upper end of the heat dissipation base is provided with a mounting groove matched with the clamping foot; The slot section and the clipping slot section; the connecting part is inserted into the connecting slot section and the clipping part is clipped into the clipping slot section. the

Further, the clamping feet are L-shaped or T-shaped. the

Still further, the sides of the lower ends of the heat sinks are provided with folded edges or thickened parts. the

Further, the lower end of the heat sink is provided with two clamping feet, and a dovetail hole is provided between the two clamping feet; the middle part of the heat dissipation base is provided with a clamping block matching the dovetail hole. the

Further, the vertical length of the connecting portion is greater than the vertical length of the connecting groove segment. the

The beneficial effects of the utility model are: the utility model adopts the combination mode of the heat sink group and the heat dissipation base, which has simple structure, stable connection and high processing efficiency. the

Description of drawings

FIG. 1 is a schematic diagram of the assembly structure of the heat sink group and the heat dissipation base of the present invention. the

Fig. 2 is a structural schematic diagram of the utility model. the

Fig. 3 is a structural schematic diagram of the heat sink of the present invention. the

FIG. 4 is a structural schematic diagram of the heat dissipation base of the present invention. the

FIG. 5 is a schematic diagram of the exploded structure of FIG. 1 . the

Fig. 6 is another structural schematic diagram of the utility model. the

FIG. 7 is another structural schematic diagram of the heat sink of the present invention. the

FIG. 8 is another structural schematic diagram of the heat dissipation base of the present invention. the

FIG. 9 is a schematic diagram of the exploded structure of FIG. 6 . the

Fig. 10 is a schematic diagram of the third structure of the heat sink of the present invention. the

Fig. 11 is a schematic diagram of the third structure of the heat dissipation base of the present invention. the

Fig. 12 is a schematic diagram of a third exploded structure of the present invention. the

Fig. 13 is a schematic diagram of the third structure of the utility model. the

Reference signs are:

1——Heat Dissipation Base 11——Installation Groove

12——presser foot 13——fixed space

14——Installation Department 15——Installation slope

16——Clamping slot section 17——Clamping block

18——Connection slot section 19——Installation slot

2——radiating fin 21——connecting piece

22——Mounting hole 25——Heat dissipation slope

24—— Hemming

26——Swallowtail hole 27——Snap joint

28——Connecting part 29——Clamp foot

3—Clamp block.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. the

Embodiment 1: see accompanying drawing 1 to Fig. 6. The orientation names such as front, rear, upper, and lower in this application document are all referred to in Figure 1. These orientation names are only for understanding the technical solution of the utility model, and do not constitute a limitation thereto. the

A heat sink includes a heat dissipation fin group and a heat dissipation base 1, wherein the heat dissipation fin group is composed of a plurality of parallel and spaced heat dissipation fins, and the heat dissipation fin group is clamped with the heat dissipation base 1. The lower end of the heat sink 2 is provided with a T-shaped mounting hole 22, and the upper end of the heat dissipation base 1 is provided with a T-shaped mounting portion 14 matching the mounting hole 22, and the mounting portion 14 of the heat dissipation base 1 is sequentially inserted into the heat sink. The mounting holes 22 of the cooling fins 2 of the group; as shown in Figure 1 and Figure 2, at least one side of the lower end of the heat dissipation base is provided with a presser foot 12, and a fixed space is formed between the presser foot 12 and the mounting part 14 13. The outer end of the presser foot 12 is bent toward the mounting portion 14. Wherein when forming the heat sink group, among two adjacent heat sinks 2, the front side of the heat sink 2 at the rear side is provided with at least one connecting piece 21 extending forward, and the heat sink 2 at the front side is provided with The connecting holes 21 are matched with the connecting holes, and the connecting pieces 21 are inserted into the connecting holes and fixedly connected; thereby forming a heat sink group. the

The utility model adopts the combination of the heat dissipation fin group and the heat dissipation base 1 to dissipate heat. In the specific production and processing, the heat dissipation fins 2 are firstly connected to each other through the connecting piece 21; in order to fix the heat dissipation base and the heat dissipation fin 2, the The bottom is provided with a presser foot 12. After the heat sink group and the heat sink base 2 are relatively fixed, the presser foot 12 is bent upward by extrusion, and the heat sink 2 is deformed to the fixed space 13, so that the heat sink base 1 and the heat sink 2 Fixed connection, this fixing method is easy to realize through machining, simple and practical. the

Further, the side of the installation hole 22 is provided with a folded edge 26 or a thickened portion. the

Flanges 26 or thickened parts are set on the side of the mounting hole 22, so that the direct contact area between the heat sink 2 and the heat dissipation base 1 is increased. When performing heat dissipation, the heat dissipation base 1 can quickly transfer heat to the heat sink 2, improving cooling efficiency. When the present model is implemented, the technology of folding edge 26 is mainly adopted. This technology is simple to process. When processing the mounting hole 22, the size of the mounting hole 22 is designed to be smaller, and then only the side of the mounting hole 22 needs to be stamped. A hem 26 may be formed. It is often called flanging, which is easy to process. Of course, the mounting hole 22 can also be thickened so that the side area of the mounting hole 22 is increased. the

Further, the bottom surface of the heat dissipation base is provided with a mounting groove 11 for mounting a heat pipe. the

By setting the installation groove 11, the heat dissipation base has the function of installing a heat pipe. the

In actual implementation, both the heat sink 2 and the heat dissipation base 1 are made of metal or metal alloy materials, such as aluminum, copper, and the like. the

Further, as shown in FIG. 3 and FIG. 4 , the connection piece 21 is provided with a connection cavity, and the middle part of the connection hole is provided with a protrusion that engages with the connection cavity. the

In order to make the connection between the front and rear cooling fins 2 more stable, during the processing, when the connecting sheet 21 bends forward and snaps into the clamping hole, the protrusion in the clamping hole is inserted into the connection cavity, so that the front and rear cooling fins 2 are opposite to each other. fixed. the

Embodiment 2: As shown in Fig. 6, Fig. 7, Fig. 8, and Fig. 9, a heat sink has the same structure as that of Embodiment 1, except that the middle part of the T-shaped mounting hole 22 is sunken upwards, The top surface of the installation hole 22 forms two heat dissipation slopes 25 ; the

The middle part of the mounting hole 22 is recessed upwards to form two heat dissipation slopes 25, so that the heat dissipation fin 2 can increase the wind speed flowing along the heat dissipation slopes 25 and improve the heat dissipation efficiency. the

Embodiment 3: As shown in FIG. 10 , FIG. 11 , FIG. 12 , and FIG. 13 ; a heat sink, which is different from Embodiment 1 in the clamping method between the heat sink 2 and the heat dissipation base 1 . The lower end of the heat sink 2 is provided with at least one clamping foot 29, the clamping foot 29 includes a connecting portion 28 and a clamping portion 27, and the upper end of the heat dissipation base 1 is provided with a mounting groove 19 matched with the clamping foot 29 The installation groove 19 includes a connecting groove segment 18 and a clamping groove segment 16 ; the

When the clamping is specifically implemented, the lower end of the cooling fin 2 is provided with a clamping foot 29, which can be bent outward or inward, and a mounting groove 19 matched with the clamping foot 29 is provided on the heat dissipation base 1. In the way of inserting sideways, the clamping feet 29 of the heat sink group are inserted into the installation slots 19 and clamped. the

Further, the locking feet 29 are L-shaped or T-shaped. the

In order to make the clamping connection more stable, the clamping feet 29 can be set in an L-shape or a T-shape; of course, other ways can also be designed. the

Still further, the sides of the lower end of the heat sink 2 are provided with folded edges or thickened parts. the

The lower end of the heat sink 2 is provided with a folded edge, mainly considering the contact area with the heat dissipation base 1, adding a folded edge can increase the contact area; and the folded edge can be formed by stamping, which is convenient to manufacture. the

Further, the lower end of the heat sink 2 is provided with two clamping feet 29, and a dovetail hole 26 is provided between the two clamping feet 29; . the

In order to facilitate installation and fixation; in this embodiment, two clamping feet 29 are provided at the lower end of the heat sink. A dovetail hole 26 is formed between the two clamping feet 29, which is conducive to the stable sliding of the heat sink relative to the heat dissipation base. And the contact area with the heat dissipation base can be increased. the

Further, the vertical length of the connecting portion 28 is greater than the vertical length of the connecting groove segment 18 . the

The vertical length of the connecting portion 28 of the clip 29 is set larger than that of the connecting groove section 18, so that after the heat sink group and the heat dissipation base are relatively fixed, the mold can be used to exert pressure on the upper surface of the heat dissipation base; The clamping block 3 at the upper end is bent downward, deformed, and squeezed; the heat sink and the heat dissipation base are fastened. the

The above are only preferred embodiments of the present application, and equivalent technical solutions based on this still fall within the protection scope of the application, such as changing the position and number of connecting blocks 13; and the shape of connecting columns 11 and other solutions. the

Claims (10)

1. a radiator, it is characterized in that: comprise groups of fins and heat dissipation base, wherein groups of fins is comprised of the fin of a plurality of parallel interval settings, groups of fins and heat dissipation base clamping.

2. a kind of radiator according to claim 1, it is characterized in that: the lower end of described fin is provided with the installing hole of T shape, the upper end of described heat dissipation base is provided with the installation portion matched with installing hole, and the installation portion of heat dissipation base inserts the installing hole of the fin of groups of fins successively; In the both sides of the lower end of described heat dissipation base, at least one side is provided with presser feet, between presser feet and installation portion, forms fixed space, and the outer end of described presser feet is to the bending of installation portion direction.

3. a kind of radiator according to claim 2 is characterized in that: the middle part of the installing hole of T shape is depression upwards, and the end face of installing hole forms two heat radiation inclined-planes; The middle part of the upper end of described heat dissipation base raises up and forms the installation inclined-plane matched with the heat radiation inclined-plane.

4. according to the described a kind of radiator of claim 2 or 3, it is characterized in that: the side of installing hole is provided with flanging or is provided with thickening part.

5. a kind of radiator according to claim 4, it is characterized in that: the bottom surface of described heat dissipation base is provided with for the installation groove of heat pipe is installed.

6. a kind of radiator according to claim 1, it is characterized in that: the lower end of described fin is provided with at least one card base, and described card base comprises connecting portion and Access Division, and the upper end of described heat dissipation base is provided with the mounting groove matched with card base; Mounting groove comprises link slot section and buckling groove section; Insertion link slot section and the Access Division of connecting portion snap in the buckling groove section.

7. a kind of radiator according to claim 6, it is characterized in that: the side of the lower end of described fin is provided with flanging or thickening part.

8. according to the described a kind of radiator of claim 6 or 7, it is characterized in that: the L-shaped or T shape of card base.

9. according to the described a kind of radiator of claim 6 or 7, it is characterized in that: the lower end of described fin is provided with two card bases, between two card bases, is provided with the dovetail hole; The middle part of described heat dissipation base is provided with the fixture block matched with the dovetail hole.

10. according to the described a kind of radiator of claim 6 or 7, it is characterized in that: the vertical length of described connecting portion is greater than the vertical length of link slot section.

Images