CN207836056U - A multi-layer combined heat sink - Google Patents

Abstract

The utility model discloses a multilayer combination fin, comprising a base plate, bottom plate upper end surface interval is equipped with links up the groove, vertical metal sheet and the vertical metal sheet of side in the middle of bottom plate upper end surface is equipped with, and vertical metal sheet of middle vertical metal sheet and the vertical metal sheet bottom of side all are equipped with linking strip, linking strip swing joint links up the inslot at linking, middle vertical metal sheet and the vertical metal sheet of side are connected on the bottom plate through linking strip and linking groove, the vertical metal sheet of side is located the both sides of middle vertical metal sheet. The utility model discloses a vertical metal sheet in the middle of setting up and the vertical metal sheet of side and the horizontal metal sheet of multiunit, increased the area of fin, be the wave type with horizontal metal sheet again, increase the area of single horizontal metal sheet to and the one end of horizontal metal sheet utilizes the open slot to cut apart into down the partition plate and cut apart the board two-layerly with last partition plate with the one end of horizontal metal sheet, increases the heat radiating area of horizontal metal sheet once more, is convenient for improve the radiating efficiency.

Description

A multi-layer combined heat sink

technical field

The utility model relates to a cooling fin, in particular to a multi-layer combined cooling fin.

Background technique

The heat sink is a device for cooling the heat-prone electronic components in electrical appliances. It is mostly made of aluminum alloy, brass or bronze into plates, sheets, and multi-sheets. For example, the CPU central processing unit in a computer needs to use a large Heat sinks, power tubes in TVs, line tubes, and power amplifier tubes in power amplifiers all use heat sinks. Generally, the heat sink should be coated with a layer of heat-conducting silicone grease on the contact surface between the electronic components and the heat sink during use, so that the heat emitted by the components can be more effectively transferred to the heat sink, and then dissipated into the surrounding air through the heat sink.

The existing heat sink has a simple structure, and the area of the heat sink in a unit space is small, so that the heat dissipation effect is poor, and the structures on the heat sink are mostly welded and cannot be disassembled, which brings a lot of inconvenience to the later stage. To this end, we propose a multi-layer combined heat sink.

Utility model content

The main purpose of the utility model is to provide a multi-layer combined heat sink, which can effectively solve the problems in the background technology.

In order to achieve the above object, the technical scheme that the utility model takes is:

A multi-layer combined heat sink, including a base plate, the upper surface of the base plate is provided with connecting grooves at intervals, the upper surface of the base plate is provided with a middle vertical metal plate and a side vertical metal plate, and the middle vertical metal plate and the side The bottom ends of the side vertical metal plates are provided with connecting bars, and the connecting bars are movably connected in the connecting grooves, and the middle vertical metal plates and the side vertical metal plates are connected to the bottom plate through the connecting bars and the connecting grooves. The side vertical metal plates are located on both sides of the middle vertical metal plate, the surface layers on both sides of the middle vertical metal plate are movably connected to the horizontal metal plates, and the side vertical metal plates are also provided with horizontal metal plates.

Further, the transverse metal plate is wave-shaped, one end of the transverse metal plate is provided with a T-shaped connector, and the end of the transverse metal plate away from the T-shaped connector is provided with an open groove, and the open groove connects the transverse metal plate One end of the plate is divided into a lower dividing plate and an upper dividing plate, and a figure-eight through hole is provided on the transverse metal plate.

Further, both sides of the middle vertical metal plate and one side of the side vertical metal plate are provided with a transverse metal plate insertion slot, and the transverse metal plate is inserted into the transverse metal plate through a T-shaped connector. In the slot.

Further, a fixed insertion strip is clamped at one end of the bottom plate located at the connecting groove.

Further, the horizontal metal plates of the side vertical metal plates are spaced apart from the horizontal metal plates of the middle vertical metal plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model increases the area of the heat sink by setting the middle vertical metal plate and the side vertical metal plate on the bottom plate, and setting the horizontal metal plate on the middle vertical metal plate and the side vertical metal plate. , so that it is convenient to improve the heat dissipation efficiency, and the middle vertical metal plate and the side vertical metal plate are connected to the bottom plate through connecting strips and connecting grooves, so that the two can not be disassembled, easy to replace, add or reduce, and increase practicality .

2. The utility model increases the area of a single horizontal metal plate by making the horizontal metal plate wave-shaped, which is convenient for increasing the heat dissipation area, and one end of the horizontal metal plate is provided with an open groove, and the open groove is used to divide one end of the horizontal metal plate into lower parts. There are two layers of split plate and upper split plate to increase the heat dissipation area of the horizontal metal plate again, so as to improve the heat dissipation efficiency.

3. The utility model provides a figure-eight-shaped through hole on the horizontal metal plate, which facilitates the increase of air circulation channels and contributes to heat dissipation.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a multi-layer combined heat sink of the present invention.

Fig. 2 is a side view of a multi-layer combined heat sink of the present invention.

Fig. 3 is a structural schematic diagram of a horizontal metal plate of a multi-layer combined heat sink of the present invention.

Fig. 4 is a schematic diagram of a horizontal metal plate connection structure of a multi-layer combined heat sink of the present invention.

In the figure: 1. Connecting strip; 2. Bottom plate; 3. Middle vertical metal plate; 4. Connecting groove; 5. Horizontal metal plate; 6. Side vertical metal plate; 7. T-shaped connector; 8. Character eight Type through hole; 9, opening slot; 10, lower dividing plate; 11, upper dividing plate; 12, fixed insertion strip; 13, horizontal metal plate insertion groove.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-4, a multi-layer combined heat sink in this solution includes a bottom plate 2, the upper surface of the bottom plate 2 is provided with connecting grooves 4 at intervals, and the upper surface of the bottom plate 2 is provided with a middle vertical metal plate 3 and the side vertical metal plate 6, and the bottom ends of the middle vertical metal plate 3 and the side vertical metal plate 6 are provided with connecting bars 1, and the connecting bars 1 are movably connected in the connecting groove 4, and the middle The vertical metal plate 3 and the side vertical metal plate 6 are connected on the bottom plate 2 through the connecting strip 1 and the connecting groove 4, the side vertical metal plate 6 is located on both sides of the middle vertical metal plate 3, and the middle The surface layers on both sides of the vertical metal plate 3 are movably connected to the horizontal metal plate 5 , and the vertical metal plate 6 on the side is also provided with the horizontal metal plate 5 .

Wherein, the transverse metal plate 5 is wave-shaped, one end of the transverse metal plate 5 is provided with a T-shaped connector 7, and an end of the transverse metal plate 5 away from the T-shaped connector 7 is provided with an opening groove 9, and the opening The groove 9 divides one end of the transverse metal plate 5 into a lower dividing plate 10 and an upper dividing plate 11 , and the transverse metal plate 5 is provided with a figure-eight through hole 8 .

Wherein, both sides of the middle vertical metal plate 3 and one side of the side vertical metal plate 6 are provided with a transverse metal plate insertion groove 13, and the transverse metal plate 5 is plugged in by a T-shaped connector 7. The horizontal metal plate is inserted into the groove 13.

Wherein, one end of the base plate 2 located at the connecting groove 4 is engaged with a fixed insertion strip 12 .

Wherein, the horizontal metal plates 5 of the side vertical metal plates 6 are spaced apart from the horizontal metal plates 5 of the middle vertical metal plate 3 .

It should be noted that the utility model is a multi-layer combined heat sink. When working, the connecting strip 1 at the bottom of the middle vertical metal plate 3 and the side vertical metal plate 6 is aligned with the connecting groove 4 of the bottom plate 2, wherein The side vertical metal plates 6 are located on both sides of the middle vertical metal plate 3, and then the connecting strip 1 at the bottom of the middle vertical metal plate 3 and the side vertical metal plate 6 is inserted into the connecting groove 4, and then the fixed insert 12 is clamped on the bottom plate 2 at one end of the connecting groove 4, and then the T-shaped connector 7 of the horizontal metal plate 5 is inserted into the horizontal metal plate insertion groove 13 on the surface of the middle vertical metal plate 3 and the side vertical metal plate 6 Inside, after the installation is completed, the area of the heat sink is increased through the middle vertical metal plate 3, the side vertical metal plate 6 and multiple sets of horizontal metal plates 5, so as to facilitate the improvement of heat dissipation efficiency, and through plugging, the middle vertical metal plate The plate 3, the side vertical metal plate 6, the horizontal metal plate 5 and the bottom plate 2 are detachable, so as to facilitate replacement, addition or reduction, and increase practicality, because one end of the horizontal metal plate 5 passes through the open slot 9 to connect the horizontal metal plate One end of 5 is divided into two layers of lower dividing plate 10 and upper dividing plate 11 to increase the heat dissipation area of transverse metal plate 5, and transverse metal plate 5 is wave-shaped, which helps to increase the area of single transverse metal plate 5, and the increase of area It is convenient to improve the heat dissipation speed.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of multiple layer combination cooling fin, including bottom plate (2), it is characterised in that：Bottom plate (2) upper end face is equipped at intervals with rank Access slot (4), bottom plate (2) upper end face are equipped with intermediate vertical metallic plate (3) and the vertical metallic plate in side (6), and intermediate perpendicular It is equipped with linking strip (1) to metallic plate (3) and side vertical metallic plate (6) bottom end, the linking strip (1) is movably connected in linking In slot (4), the vertical metallic plate in centre (3) and the vertical metallic plate in side (6) are connected by linking strip (1) and connecting groove (4) On bottom plate (2), the vertical metallic plate in side (6) is located at the both sides of intermediate vertical metallic plate (3), the vertical metal in centre It also is provided with transverse metal plate on plate (3) both sides surface layer flexible connection transverse metal plate (5) and the vertical metallic plate in side (6) (5)。

2. a kind of multiple layer combination cooling fin according to claim 1, it is characterised in that：The transverse metal plate (5) is wave One end of wave type, the transverse metal plate (5) is equipped with T-type connector (7), and transverse metal plate (5) is far from T-type connector (7) One end be equipped with open slot (9), one end of transverse metal plate (5) is divided into lower fragmenting plate (10) and upper by the open slot (9) Fragmenting plate (11), the transverse metal plate (5) are equipped with splayed configuration through-hole (8).

3. a kind of multiple layer combination cooling fin according to claim 1, it is characterised in that：The vertical metallic plate in centre (3) The side of the vertical metallic plate in both sides and side (6) be equipped with transverse metal plate inserting groove (13), the transverse metal plate (5) is logical T-type connector (7) is crossed to be plugged in transverse metal plate inserting groove (13).

4. a kind of multiple layer combination cooling fin according to claim 1, it is characterised in that：The bottom plate (2) is located at connecting groove (4) one end is connected with fixing bigslip (12).

5. a kind of multiple layer combination cooling fin according to claim 1, it is characterised in that：The vertical metallic plate in side (6) Transverse metal plate (5) and transverse metal plate (5) interval of intermediate vertical metallic plate (3) be arranged.