Fan blade of cooling fan

Abstract

The utility model discloses a fan blade of a cooling fan, which comprises a hub, a mounting groove is arranged on the hub, a bolt hole is arranged in the mounting groove, a mounting block is fixedly connected on the inner surface of the mounting groove, a fixing bolt is arranged on the mounting block, a fan blade body is fixedly connected on the outer surface of the mounting block, the fan blade body comprises a fan blade root, and the fan blade root is fixedly connected with the mounting groove. The fan blade body further comprises a fan blade front edge, the transverse thickness of the fan blade body is gradually thinned from the fan blade root to the fan blade front edge, and the vertical thickness of the fan blade body is gradually thinned from the middle to the upper side and the lower side. Air can be exhausted from the fan more effectively, the heat dissipation effect is enhanced, the roots are thick, the front edges are thin, the fan blades can generate higher air pressure during rotation, the air output of the fan is further improved, the heat dissipation efficiency is improved, and the rigidity of the fan blades can be improved through the thickened design of the middle part.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of radiating fan, especially a fan blade of radiating fan. BACKGROUND

[0002] The radiating fan plays an extremely important role in the heat dissipation of electronic products, wherein the fan blade has a great influence on the wind pressure and the air volume generated by the fan, the existing fan blade comprises a hub and a plurality of blades located around the hub, wherein the inner end of the blade is fixed on the outer circumference of the hub, and the hub is arranged in a radial manner, when working, the blade rotates to drive the surrounding air flow, and air flow is generated, but the existing device is integrally formed in production, when a blade is damaged, the whole device needs to be replaced, thereby improving the maintenance cost in the later period, for example, a fan blade of radiating fan is disclosed in China, the application number of which is CN200920204290.6, compared with the previous blade, the twist degree of the blade is increased, so that the fan blade of the radiating fan can generate large air volume under the condition of small rotating speed, thus the noise is reduced, and large power consumption is not generated, but the blade cannot generate higher wind pressure when rotating to improve the air volume output of the fan, thereby the heat dissipation efficiency cannot be improved, the rigidity of the blade cannot be increased to provide better structural stability, and the damaged or worn blade cannot be replaced alone without replacing the whole fan. SUMMARY

[0003] The utility model discloses a fan blade of radiating fan, the structure of the blade is thick in the middle and thin on both sides and thick at the root and thin at the front, which is helpful to optimize the flow of air flow, so that the air can be effectively discharged from the fan, the heat dissipation effect is enhanced, the blade can generate higher wind pressure when rotating, the air volume output of the fan is further improved, the heat dissipation efficiency is improved, the thickened design of the middle part can increase the rigidity of the blade, and better structural stability is provided, so as to reduce the vibration and noise in the operation process, the hub, the mounting groove, the bolt hole, the mounting block, the fixed bolt and the blade body are matched, the traditional integrally formed structure is changed, the blade is a single mounting structure, the damaged or worn blade can be replaced alone without replacing the whole fan, the maintenance cost is reduced, the scrappage rate of the whole fan is reduced, and the economy of the equipment is improved.

[0004] The utility model discloses still provide with above-mentioned one radiating fan's fan blade, include: hub, be provided with mounting groove on the hub, be provided with bolt hole in the mounting groove, the inner surface fixed connection of mounting groove has mounting block, be provided with fixed bolt on the mounting block, the outer surface fixed connection of mounting block has fan blade body, the fan blade body includes fan blade root part, the fan blade body still includes fan blade leading edge, the lateral thickness of fan blade body gradually thins from fan blade root part to fan blade leading edge, the vertical thickness of fan blade body gradually thins from the middle to upper and lower sides, and the device is thick in the middle of fan blade blade, and the structure of two sides and root part is thin, helps the flow of optimizing airflow, makes air can be more effectively discharged from the fan, enhances the heat dissipation effect, and the thick root part makes fan blade when rotating can produce higher wind pressure, further improves the air volume output of fan, improves the heat dissipation efficiency, and the thickening design of middle part can increase the rigidity of fan blade, provides better structural stability, thereby reduces the vibration and noise in the operation process, through the cooperation of hub, mounting groove, bolt hole, mounting block, fixed bolt and fan blade body, changes the structure of traditional integral forming, and the fan blade is single mounting structure, and the fan blade is damaged or worn in the later period, and the damaged fan blade can be replaced alone, and the whole fan does not need to be replaced, reduces the maintenance cost, reduces the scrappage rate of overall fan, improves the economy of equipment.

[0005] According to the fan blade of the radiating fan, the inner surface of the fan blade body is fixedly connected with the reinforcing ribs, the reinforcing ribs are in a curved conical shape, the rigidity of the fan blade is enhanced, and better structural stability is provided.

[0006] According to the fan blade of the radiating fan, the fan blade body has seven pieces, and the material of the fan blade body is aluminum, so that better durability and heat dissipation performance are achieved.

[0007] According to the fan blade of the radiating fan, the fixed bolt is movably connected with the hub, and the fixed bolt is threadedly connected with the bolt hole, so that the convenience and stability of installation can be improved.

[0008] According to the fan blade of the radiating fan, the mounting block is fixedly connected with the hub through the fixed bolt, and the outer side of the mounting block is in an arc shape, so that the appearance can be improved.

[0009] According to the fan blade of the radiating fan, the mounting block is fixedly connected with the hub through the fixed bolt, and the outer side of the mounting block is in an arc shape, so that the appearance can be improved.

[0010] The fan blade of the heat dissipation fan, all fan blade bodies are flush at the fan blade front edge and are located on the same plane, and the fan blade roots of the fan blade bodies are flush and are located on the mounting blocks.

[0011] The fan blade of the heat dissipation fan, the fan blade body is in a shape of a middle drum and thin upper and lower sides, the fan blade body is in a shape of a thick root and a thin front edge, which helps to optimize the flow of air, so that the air can be more effectively discharged from the fan, the heat dissipation effect is enhanced, the thick root and the thin front edge make the fan blade generate higher air pressure when rotating, and the air volume output of the fan is further improved.

[0012] Advantages

[0013] 1. Compared with the prior art, the fan blade of the heat dissipation fan, the device is thick in the middle of the fan blade and thin on both sides and thick at the root and thin at the front edge, which helps to optimize the flow of air, so that the air can be more effectively discharged from the fan, the heat dissipation effect is enhanced, the thick root and the thin front edge make the fan blade generate higher air pressure when rotating, and the air volume output of the fan is further improved, the heat dissipation efficiency is improved, the thickened design of the middle part can increase the rigidity of the fan blade, provide better structural stability, and thus reduce vibration and noise during operation.

[0014] 2. Compared with the prior art, the fan blade of the heat dissipation fan, through cooperation of the hub, the mounting groove, the bolt hole, the mounting block, the fixing bolt and the fan blade body, the traditional integral forming structure is changed, the fan blade is a single mounting structure, the damaged or worn fan blade can be replaced individually in the later period, without the need to replace the entire fan, the maintenance cost is reduced, the overall fan scrap rate is reduced, and the economy of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and examples;

[0016] Figure 1 It is the three-dimensional structure diagram of the fan blade of the heat dissipation fan of the utility model;

[0017] Figure 2 It is the hub connecting structure schematic view of the fan blade of the heat dissipation fan of the utility model;

[0018] Figure 3 It is the fan blade body connecting structure schematic view of the fan blade of the heat dissipation fan of the utility model;

[0019] Figure 4 It is the fan blade body cross section structure schematic view of the fan blade of the heat dissipation fan of the utility model.

[0020] Legend:

[0021] 1, wheel hub; 2, mounting groove; 3, bolt hole; 4, mounting block; 5, fixing bolt; 6, fan body; 7, fan root; 8, fan front edge; 9, reinforcing rib. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-4 , the utility model discloses a fan blade of radiating fan, it includes: wheel hub 1 for supporting the whole device, wheel hub 1 is provided with mounting groove 2, is used for installing mounting block 4, to install fan body 6, mounting groove 2 is provided with bolt hole 3, is used for fixing fixing bolt 5, the inner surface of mounting groove 2 is fixedly connected with mounting block 4, is used for installing fan body 6, mounting block 4 is provided with fixing bolt 5, is used for fixing mounting block 4, the outer surface of mounting block 4 is fixedly connected with fan body 6, is used for generating wind pressure, fan body 6 includes fan root 7, fan body 6 also includes fan front edge 8, the lateral thickness of fan body 6 gradually thins from fan root 7 to fan front edge 8, the vertical thickness of fan body 6 gradually thins from middle to upper and lower sides, specifically, middle thick both sides thin, fan root 7 thick fan front edge 8 thin, the middle drum, upper and lower sides thin shape and fan root 7 thick, fan front edge 8 thin shape.

[0024] The inner surface of fan body 6 is fixedly connected with reinforcing rib 9, reinforcing rib 9 is curved conical, is used for strengthening the structural strength of fan body 6, fan body 6 has seven pieces, the material of fan body 6 is aluminum, is used for providing better durability and heat dissipation performance, fixing bolt 5 is movably connected with wheel hub 1, fixing bolt 5 is screw-connected with bolt hole 3, is used for fixing mounting block 4 and wheel hub 1, mounting block 4 is fixedly connected with wheel hub 1 by fixing bolt 5, the outer side of mounting block 4 is arc-shaped, mounting block 4 is provided with sunken hole, fixing bolt 5 is located in sunken hole, is used for preventing the height of fixing bolt 5 from protruding, the fan front edges 8 of all fan bodies 6 are flush and located on the same plane, the fan roots 7 of fan body 6 are flush and located on mounting block 4, fan body 6 is the middle drum, upper and lower sides thin shape, fan body 6 is the fan root 7 thick, fan front edge 8 thin shape.

[0025] Working principle: when remanufacturing, the fan blade body 6 is gradually thinned from the fan blade root 7 to the fan blade front edge 8 transversely, the fan blade body 6 is gradually thinned from the middle to both sides vertically, the fan blade body 6 is provided with the reinforcing rib 9 to strengthen the structure of the fan blade body 6, then the fan blade body 6 is installed in the installation slot 2 on the wheel hub 1 through the installation block 4, and the installation block 4 is fixed through the fixing bolt 5 and the bolt hole 3, so as to install the fan blade body 6.

[0026] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A fan blade of a heat dissipating fan, characterized by, Include: The hub (1) is provided with mounting groove (2), the mounting groove (2) is provided with bolt hole (3), the inner surface of mounting groove (2) is fixedly connected with mounting block (4), the mounting block (4) is provided with fixed bolt (5), the outer surface of mounting block (4) is fixedly connected with fan body (6), the fan body (6) includes fan root (7), the fan body (6) also includes fan front edge (8), the lateral thickness of fan body (6) gradually thins from fan root (7) to fan front edge (8), the vertical thickness of fan body (6) gradually thins from middle to upper and lower sides.

2. A fan blade for a heat dissipating fan according to claim 1, wherein The inner surface of the fan body (6) is fixedly connected with the reinforcing rib (9), and the reinforcing rib (9) is curved conical.

3. A fan blade for a heat dissipating fan according to claim 1, wherein The fan body (6) has seven pieces, and the material of the fan body (6) is aluminum.

4. A fan blade for a heat dissipating fan according to claim 1, wherein The fixed bolt (5) is movably connected with the hub (1), and the fixed bolt (5) is threadedly connected with the bolt hole (3).

5. A fan blade for a heat dissipating fan according to claim 1, wherein The mounting block (4) is fixedly connected with the hub (1) by the fixed bolt (5), and the outer side of the mounting block (4) is arc-shaped.

6. A fan blade for a heat dissipating fan according to claim 1, wherein The mounting block (4) is provided with a sunken hole, and the fixed bolt (5) is located in the sunken hole.

7. A fan blade for a heat dissipating fan as defined in claim 1, wherein The fan front edges (8) of all fan bodies (6) are flush and located on the same plane, and the fan roots (7) of the fan bodies (6) are flush and located on the mounting block (4).

8. A fan blade for a heat dissipating fan as defined in claim 1, wherein The fan body (6) is shaped as a middle drum, upper and lower sides are thin, the fan body (6) is shaped as a fan root (7) thick, and the fan front edge (8) is thin.

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