Fan blade for radiator

Abstract

The fan blade comprises a wheel shell, a disc is fixedly connected to the outer wall of the wheel shell, a wheel brow is arranged on the outer side wall of the disc, a connecting cavity is formed between the wheel brow and the disc, an outer impeller is arranged in the connecting cavity, and an inner impeller is fixedly installed on the surface of the disc. The inner impeller is composed of multiple sets of blade assemblies, the multiple sets of blade assemblies are designed around the disc, and a through opening is formed in the position, between every two sets of blade assemblies, of the surface of the disc. By combining the structural design of the heat dissipation device, the heat dissipation effect is achieved through the cooperation between the inner impeller and the outer impeller, and meanwhile through the arrangement of the through opening, the heat dissipation efficiency is improved, the power consumption of the heat dissipation device is reduced, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan blade for radiator, which belongs to the technical field of heat dissipation devices. BACKGROUND

[0002] The fan blade is generally cooled by rotating to drive airflow. However, the fan blade in the prior art has a simple design, which results in low flow guiding effect and affects heat dissipation. In the case of strong heat, the rotating speed of the fan blade needs to be increased to improve the heat dissipation effect. This method increases the power consumption of the heat dissipation device and increases the use cost. SUMMARY

[0003] The utility model discloses a fan blade for radiator, which belongs to the technical field of heat dissipation devices.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fan blade for radiator, comprising a wheel shell, the wheel shell is fixedly connected with a disc, the disc outer wall is provided with a wheel brow, the wheel brow and the disc form a connecting cavity, the connecting cavity is provided with an outer impeller, the disc surface is fixedly installed with a first inner impeller and a second inner impeller, the first inner impeller and the second inner impeller are all composed of multiple blade assemblies, and the multiple blade assemblies are designed around the disc, and a through hole is formed between the two blade assemblies on the disc surface.

[0005] Preferably, the blade assembly is composed of multiple inner blades.

[0006] Preferably, the outer impeller is fixedly connected with the wheel brow and the disc at both ends.

[0007] Preferably, the outer impeller is composed of a plurality of outer blades, and a cavity is formed between the two outer blades.

[0008] Advantages

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] According to the structure design of the utility model, the heat dissipation effect is realized by the cooperation between the inner impeller and the outer impeller, and the through hole is arranged to improve the heat dissipation efficiency, reduce the power consumption of the heat dissipation device, and reduce the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1The whole top structure schematic view of the utility model is shown in the figure.

[0012] Figure 2 The whole bottom structure schematic view of the utility model is shown in the figure.

[0013] The corresponding relationship between the figure mark and the component name in the figure is as follows:

[0014] 1. wheel housing;2. disc;3. wheel brow;4. outer impeller;5. inner impeller;6. through port;7. second inner impeller;

[0015] 8. connecting cavity;41. outer blade;42. cavity;51. blade assembly;511. inner blade. DETAILED DESCRIPTION

[0016] The technical scheme of the utility model will be described clearly and completely in combination with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0017] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal" and the like is the orientation or position relationship shown based on the figure, and is only for the convenience of describing the present application and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore is not understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0018] As Figure 1It is a preferred embodiment of the utility model a structure diagram for the fan blade on the radiator, in this embodiment a fan blade for radiator, including wheel shell 1, be provided with disc 2 on the outer wall of wheel shell 1 fixed connection, and be provided with wheel brow 3 on the outer side wall of disc 2, and wheel brow 3 and disc 2 form connecting cavity 8 between, be provided with outer impeller 4 in connecting cavity 8, realize the emission of heat through the setting of outer impeller 4, disc 2 surface fixed mounting has first inner impeller 5 and second inner impeller 7, and first inner impeller 5 and second inner impeller 7 are by multiple groups of blade assembly 51, and multiple groups of blade assembly 51 are designed around disc 2, realize the flow guiding of heat to outer impeller 4 through multiple groups of blade assembly 51, and disc 2 surface is located between two groups of blade assembly 51 and is provided with through hole 6, and its through hole 6 can share the rotation of outer impeller 4 and guide the airflow from the through hole 6, thereby increasing its heat dissipation capacity, thereby reach the purpose of quick heat dissipation, improve the heat dissipation efficiency, reduce the power consumption of heat dissipation device, reduce the use cost.

[0019] In this embodiment, the blade assembly 51 is composed of a plurality of inner blades 511, and the spacing between the plurality of inner blades 511 is different, and the length of the inner blades 511 is also different.

[0020] In this embodiment, the outer impeller 4 is fixedly connected with the wheel brow 3 and the disc 2 at both ends.

[0021] In this embodiment, the outer impeller 4 is composed of a plurality of outer blades 41, and a cavity 42 is formed between the two outer blades 41. Through the cooperation of the outer blades 41 and the inner blades 511, the air flow heat is guided to the cavity 42, and the heat is dissipated from the cavity 42, thereby achieving the purpose of heat dissipation.

[0022] The above content is further detailed in conjunction with the specific embodiments of the utility model, and cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be considered as belonging to the protection scope determined by the claims of the utility model.

Claims

1. A fin for a radiator, comprising a wheel shell (1), characterized in that: The outer wall of the wheel shell (1) is fixedly connected with a disc (2), an outer side wall of the disc (2) is provided with a wheel brow (3), a connecting cavity (8) is formed between the wheel brow (3) and the disc (2), an outer impeller (4) is arranged in the connecting cavity (8), a first inner impeller (5) and a second inner impeller (7) are fixedly installed on the surface of the disc (2), the first inner impeller (5) and the second inner impeller (7) are each composed of a plurality of blade assemblies (51), and a plurality of the blade assemblies (51) are designed around the disc (2), and a through opening (6) is formed on the surface of the disc (2) between two groups of the blade assemblies (51).

2. A fin for a heat sink as defined in claim 1, wherein: The blade assembly (51) is composed of a plurality of inner blades (511).

3. The fin for a heat sink of claim 1, wherein: The outer impeller (4) is fixedly connected with the wheel brow (3) and the disc (2) at two ends respectively.

4. The fin for a heat sink according to claim 3, wherein: The outer impeller (4) is composed of a plurality of outer blades (41), and a cavity (42) is formed between two outer blades (41).

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