CN220823589U - Square fin with high heat exchange efficiency - Google Patents

Abstract

The utility model relates to the technical field of radiating fins and discloses a square radiating fin with high heat exchange efficiency, which comprises a radiating fin base body, wherein a socket groove is formed at the upper end of the radiating fin base body close to the edge, a plurality of radiating fins which are arranged at equal intervals are arranged at the upper end of the radiating fin base body and positioned at the inner side of the socket groove, a plurality of radiating holes are formed in the radiating fins, connecting holes are formed in two ends of the radiating fin base body, a dustproof net cover is inserted into the socket groove, two through holes which are symmetrically arranged are formed in the position close to the bottom of the dustproof net cover, and the radiating fin base body and the dustproof net cover penetrate through the connecting holes through fastening bolts and are inserted into the through holes to be fixed. According to the utility model, the socket grooves are formed in the radiating fin base body, and the dust-proof net cover is inserted into the socket grooves, so that the dust-proof net cover can be used for protecting the plurality of radiating fins from dust, and the influence of excessive dust on the radiating fins on the radiating effect is avoided.

Description

Square fin with high heat exchange efficiency

Technical Field

The utility model relates to the technical field of radiating fins, in particular to a square radiating fin with high heat exchange efficiency.

Background

The radiating fin is a device for assisting the heat radiation of the components and parts which are easy to generate in the electric appliance, and is mostly made of aluminum alloy, brass or bronze into a plate shape, a sheet shape or a multi-sheet shape. The radiating fin is through the material that the effect of heat conduction itself is good in time quick transfer to the surrounding air with the heat that the component sent out in, because radiating effect is good, with low costs makes the installation radiating fin become the preferred heat dissipation scheme of current electronic product, and the radiating fin is when the installation, and the radiating fin is attached the radiating product as far as with the contact surface that needs the radiating product, fixes it on the circuit board through the participate in simultaneously, and the participate in is big, just needs to have the mounting hole with it assorted size on the circuit board.

Through retrieving, chinese patent publication No. CN203378195U discloses a fin, including square heat dissipation base, its characterized in that: the heat dissipation base is characterized in that a groove is concavely formed in one end face of the heat dissipation base, two pin platforms are symmetrically arranged on two sides of the groove on the heat dissipation base, and one pin vertically penetrates through the two pin platforms.

Foretell fin, when using, can't prevent dust to radiating fin, lead to the dust to fall into too much influence radiating fin's radiating effect on radiating fin to the air fluxion between two radiating fins is poor, further influences radiating fin's radiating effect, therefore the square fin of urgent need a high heat transfer efficiency solves above-mentioned technical problem.

Disclosure of utility model

The utility model aims to provide a square radiating fin with high heat exchange efficiency, so as to solve the problems that when the radiating fin is used, dust cannot be prevented from falling into the radiating fin, so that the radiating effect of the radiating fin is influenced due to excessive dust falling into the radiating fin, and the radiating effect of the radiating fin is further influenced due to poor air circulation between the two radiating fins.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a square fin of high heat exchange efficiency, includes the fin base member, the upper end of fin base member has seted up the socket groove by edge, the upper end of fin base member and be located the inboard of socket groove and be provided with a plurality of fin that are equidistant setting, a plurality of all set up a plurality of louvres on the fin, the connecting hole has all been seted up at the both ends of fin base member, insert in the socket groove and be equipped with dustproof screen panel, the department of leaning on the bottom of dustproof screen panel is provided with four through-holes that the symmetry set up, pass the connecting hole through fastening bolt between fin base member and the dustproof screen panel and insert the through-hole in mutually fixed, the bottom bilateral symmetry of fin base member is provided with two pins, set up the locating screw hole on the left surface of fin base member, be provided with the integrated piece on the left side wall of integrated piece, the left side of integrated piece passes the locating screw hole and the locating screw thread on the fin base member is connected, be provided with the spring and the flat washer between the fin base member and the left side and the flat washer is located the washer bottom of washer, the washer is located the flat washer is set up to the flat washer.

As a preferable technical scheme of the utility model, the cross section of the socket groove is of a circular rectangular structure.

As a preferable technical scheme of the utility model, a plurality of radiating holes are vertically distributed on the radiating fins at equal intervals.

As a preferable technical scheme of the utility model, threads are arranged in the connecting hole.

As a preferable technical scheme of the utility model, the number of the connecting holes is two, the two connecting holes are arranged in front-back axial symmetry relative to the radiating fin base body, and the two connecting holes are opposite to the two through holes on the dustproof net cover.

As a preferable technical scheme of the utility model, the number of the fastening bolts is four, and the four fastening bolts are arranged in a pair opposite to each other relative to the radiating fin base body.

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

1. According to the utility model, the socket grooves are formed in the radiating fin base body, the dust-proof net cover is inserted into the socket grooves, the dust-proof net cover can be used for protecting the radiating fins in a dust-proof manner, so that dust is prevented from falling into the radiating fins too much to influence the radiating effect, in addition, four through holes which are opposite to each other are formed in the positions, close to the bottoms, of the dust-proof net cover, and the socket grooves, the fastening bolts and the connecting holes are arranged, so that the dust-proof net cover can be conveniently detached and installed by utilizing the interaction among the socket grooves, the fastening bolts and the connecting holes, and the dust-proof net cover is convenient to clean.

2. According to the heat exchange device, one side of the radiating fins is arranged to be in a curved surface shape, so that the radiating area is increased, and the radiating fins are provided with the plurality of radiating holes, so that the air flow between the two radiating fins is improved, and the radiating holes are combined, so that the heat exchange efficiency is greatly improved.

3. According to the utility model, the integrated block, the plug pins, the screw, the spring washer and the flat washer are arranged, and the heat sink base body can be firmly installed on the circuit board by utilizing the mutual cooperation between the integrated block, the plug pins, the screw, the spring washer and the flat washer, so that the heat sink base body is strong in firmness.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a schematic top view of the heat sink base and slot of the present utility model;

FIG. 4 is a schematic side view of a heat sink base and attachment hole location relationship of the present utility model;

Fig. 5 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

In the figure: 1. a heat sink base; 2. a socket slot; 3. a heat radiation fin; 4. a heat radiation hole; 5. a connection hole; 6. a fastening bolt; 7. a dust-proof net cover; 8. pins; 9. a plug pin; 10. a screw; 11. a spring washer; 12. a flat gasket; 13. and (5) integrating the blocks.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for convenience of description, only the part related to the utility model is shown in the accompanying drawings, and in the embodiments of the utility model: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.

Referring to fig. 1-5, a square heat sink with high heat exchange efficiency comprises a heat sink base 1, a slot 2 is formed at the upper end of the heat sink base 1 near the edge, a plurality of equally spaced heat sink fins 3 are arranged at the upper end of the heat sink base 1 and at the inner side of the slot 2, a plurality of heat sink holes 4 are formed on the plurality of heat sink fins 3, the heat sink area is increased by arranging one side of the heat sink fins 3 into a curved surface shape, a plurality of heat sink holes 4 are formed on the heat sink fins 3 to improve the air flow between the two heat sink fins 3, the heat exchange efficiency is greatly improved by combining the two heat sink fins, connecting holes 5 are formed at the two ends of the heat sink base 1, a dust screen 7 is inserted into the slot 2, four through holes which are symmetrically arranged are formed in the position, close to the bottom, of the dustproof mesh enclosure 7, the radiating fin base body 1 and the dustproof mesh enclosure 7 penetrate through the connecting holes 5 and are inserted into the through holes to be fixed mutually through the fastening bolts 6, two pins 8 are symmetrically arranged at the left side face of the radiating fin base body 1 left and right, positioning screw holes are formed in the left side face of the radiating fin base body 1, an integrated block 13 is arranged on the left side wall of the radiating fin base body 1, positioning unthreaded holes are formed in the integrated block 13, the left side of the integrated block 13 penetrates through the positioning unthreaded holes through screws 10 to be in threaded connection with the positioning screw holes in the radiating fin base body 1, a spring washer 11 and a flat washer 12 are arranged between the screws 10 and the radiating fin base body 1, the spring washer 11 is located at the left side of the flat washer 12, and plug pins 9 are arranged at the bottom of the integrated block 13.

Wherein, the cross section shape of socket slot 2 is annular rectangle structure, through seting up socket slot 2 on fin base member 1 to and insert in socket slot 2 and set up dust screen panel 7, can prevent dust through dust screen panel 7 to a plurality of radiating fin 3 dustproof protection, avoid the dust to fall into too much influence radiating effect on radiating fin 3.

Wherein, a plurality of louvres 4 are equidistant vertical distribution on fin 3.

Wherein threads are arranged in the connecting hole 5.

Wherein, the quantity of connecting hole 5 sets up to two, and two connecting hole 5 are the front and back axisymmetric setting about fin base member 1, and two connecting hole 5 are just opposite with two through-holes on the dust screen panel 7.

The number of the fastening bolts 6 is four, and the four fastening bolts 6 are arranged in pairs relative to the fin base body 1.

The working principle and the using flow of the utility model are as follows: firstly, during installation, a layer of heat conduction silicone grease is coated on the contact surface of a radiating fin base body 1 and an electronic element, then the radiating fin base body 1 is installed on the electronic element through two pins 8 at the bottom, through the arrangement of a socket groove 2 on the radiating fin base body 1 and the insertion of a dust-proof net cover 7 in the socket groove 2, the dust-proof net cover 7 can be used for carrying out dust-proof protection on a plurality of radiating fins 3, so that the radiating effect is prevented from being influenced by excessive dust falling on the radiating fins 3, and the radiating effect is improved;

When the dust screen 7 needs to be cleaned, the four fastening bolts 6 are taken out from the four connecting holes 5 in a rotating way, so that the four fastening bolts 6 are separated from the through holes on the dust screen 7, and the dust screen 7 can be cleaned by taking out the dust screen 7 upwards at the moment, so that the dust screen 7 is convenient to clean;

In addition, one side of the radiating fins 3 is arranged into a curved surface shape, so that the radiating area is increased, a plurality of radiating holes 4 are formed in the radiating fins 3, the air flow between the two radiating fins 3 is improved, and meanwhile, the radiating area is further enlarged by arranging the plurality of radiating holes 4, and the radiating holes are combined with each other, so that the heat exchange efficiency is greatly improved;

When the heat sink is required to be mounted on a circuit board, the spring washer 11 and the flat washer 12 are first sleeved on the screw 10, then the screw 10 is inserted into a positioning light hole on the integrated block 13 and is in threaded connection with a positioning screw hole on the heat sink base 1, then the two pins 8 and the plurality of plug pins 9 are inserted on the circuit board reserved with corresponding hole sites, and then fastening mounting is performed on the pins 8 and the plug pins 9 by screwing a plurality of nuts from the bottom of the circuit board, wherein details not described in the present specification belong to the prior art known to those skilled in the art.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims (6)

1. The utility model provides a square fin of high heat exchange efficiency, includes fin base member (1), its characterized in that: the utility model discloses a cooling fin base body, including cooling fin base body (1), connecting hole (5) have been seted up at the upper end of cooling fin base body (1) near edge department, the upper end of cooling fin base body (1) and be arranged in the inboard of cooling fin base body (2) are provided with a plurality of radiating fins (3) that are equidistant setting, a plurality of radiating fins (3) are last all to have seted up a plurality of louvres (4), connecting hole (5) have been seted up at the both ends of cooling fin base body (1), insert in the cooling fin base body (2) and be equipped with dust screen (7), the department of leaning on the bottom of dust screen (7) is provided with four through-holes that the symmetry set up, pass connecting hole (5) and insert in the through-hole between cooling fin base body (1) and the dust screen (7) through fastening bolt (6), the bottom bilateral symmetry of cooling fin base body (1) is provided with two pins (8), set up the locating screw on the left side face of cooling fin base body (1), be provided with integrated block (13) on the left side wall of cooling fin base body (1), integrated block (13) on the left side wall, integrated block (1) have set up screw (10) and flat screw (10) between the screw (10), the spring washer (11) is positioned on the left side of the flat washer (12), and the bottom of the integrated block (13) is provided with the plug-in pin (9).

2. A square fin according to claim 1, wherein: the cross section of the socket groove (2) is of an annular rectangular structure.

3. A square fin according to claim 1, wherein: the plurality of radiating holes (4) are vertically distributed on the radiating fins (3) at equal intervals.

4. A square fin according to claim 1, wherein: threads are arranged in the connecting holes (5).

5. A square fin according to claim 1, wherein: the number of the connecting holes (5) is two, the two connecting holes (5) are arranged in front-back axial symmetry relative to the radiating fin base body (1), and the two connecting holes (5) are opposite to the two through holes on the dustproof mesh cover (7).

6. A square fin according to claim 1, wherein: the number of the fastening bolts (6) is four, and the four fastening bolts (6) are arranged in a pair opposite to each other relative to the radiating fin base body (1).