High-speed flow guide fan blade assembly

Abstract

The high-speed flow guide fan blade assembly comprises a rotating seat, a plurality of air driving blades are evenly arranged on the circumferential wall face of the rotating seat, the two opposite ends of the rotating seat are arranged to be a windward end and an air supply end respectively, and a windward face is arranged on the outer wall face of the windward end. The outer side edge of the windward side is in butt joint with the circumferential edge of the rotating seat, the inner side edge of the windward side is gathered in the axis direction of the rotating seat, a plurality of flow guide plates are evenly arranged on the windward side, one end of each flow guide plate extends towards the outer side edge of the windward side, and the other end of each flow guide plate extends towards the axis direction of the rotating seat. A flow guide groove is formed between every two adjacent flow guide plates, an air passing channel is formed between every two adjacent air driving blades, and the flow guide grooves and the air passing channels are communicated in a butt joint mode. By means of the fan blade set, the air blowing speed of a fan can be effectively increased under the same condition, the speed is increased, meanwhile, air flow can be tidied, the turbulence effect is reduced, and the mute and noise reduction effects are achieved; and the use experience of the user is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a high-speed flow-guiding fan blade assembly. Background Art

[0002] The fan blade group is an indispensable working part of the electric fan. The wind-driving effects of the fan blade groups designed according to different wind principles are obviously different. Therefore, selecting a suitable fan blade group for an electric fan that achieves different blowing effects will achieve twice the result with half the effort in achieving its function.

[0003] Currently, the more popular fans on the market are high-speed fans, also known as high-pressure fans. They achieve the effect of long-distance air supply with strong wind force and can meet some specific blowing needs and applications of consumers. Therefore, they are loved by a large number of consumers.

[0004] However, the realization of this type of high-speed fan function is nothing more than auxiliary pressure boosting by increasing the speed of the fan motor, adding a pressure-boosting mechanism, etc. Therefore, its realization also increases the complexity of the fan structure, indirectly increasing the manufacturing cost of the fan. Moreover, under the intervention of various auxiliary mechanisms, the high-speed fans currently on the market have very high working noise. Although it allows consumers to experience the high-pressure and high-speed blowing effect, the noise interference is unbearable. Utility Model Content

[0005] The purpose of the utility model is to provide a high-speed guide fan blade assembly. By using this fan blade assembly, the blowing speed of the fan can be effectively improved under the same conditions. The wind flow can be regulated while the speed is increased, turbulence effect can be reduced, and the effect of quieting and noise reduction can be achieved, which effectively improves the user experience and solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-speed guide fan blade assembly, comprising a rotating seat, a plurality of wind-repelling blades are evenly arranged on the circumferential wall surface of the rotating seat, the opposite ends of the rotating seat are respectively arranged as a windward end and an air supply end, when the rotating seat rotates, the wind-repelling blades are driven to drive the air located on the windward end side to accelerate to flow toward the air supply end side, a windward surface is arranged on the outer wall surface of the windward end, the outer edge of the windward surface is connected to the circumferential edge of the rotating seat, the inner edge of the windward surface converges toward the axis direction of the rotating seat, a plurality of guide plates are evenly arranged on the windward surface, one end of the guide plate is extended toward the outer edge of the windward surface, and the other end of the guide plate is extended toward the axis direction of the rotating seat, a guide groove is formed between two adjacent guide plates, an air duct is formed between two adjacent wind-repelling blades, and the guide groove is connected to the air duct.

[0007] Preferably, the windward surface is a conical windward surface protruding from the end surface of the rotating seat.

[0008] Preferably, the windward surface is a planar windward surface arranged flush with the end surface of the rotating seat.

[0009] Preferably, the inner side of the rotating seat is a hollow cavity, and a rotating shaft is arranged in the hollow cavity. The rotating shaft is arranged at the axis of the rotating seat and is integrally connected with the rotating seat.

[0010] Preferably, the guide plate protrusion is arranged in the plane where the windward surface is located, and the edge on the side away from the windward surface is an acute-angle edge.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The application of this fan blade group can effectively increase the blowing speed of the fan under the same conditions, and can also regulate the wind flow while increasing the speed, reduce the turbulence effect, achieve the effect of silent noise reduction, and effectively improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0015] Figure 3 This is the axial orthographic projection view of the utility model;

[0016] Figure 4 This is a radial orthographic projection view of the utility model.

[0017] In the figure: 1 rotating seat; 2 wind-repelling blades; 3 windward surface; 4 guide plate; 5 rotating shaft. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4A high-speed guide fan blade assembly comprises a rotating seat 1, a plurality of wind-driving blades 2 are evenly arranged on the circumferential wall surface of the rotating seat 1, the inner side of the rotating seat 1 is a hollow cavity, a rotating shaft 5 is arranged in the hollow cavity, the rotating shaft 5 is arranged at the axis of the rotating seat and is integrally connected with the rotating seat 1, when the fan blade group is assembled on the brushless motor, the rotating shaft 5 is plugged into the shaft core of the brushless motor, and plays the role of supporting the fan blade group to complete the rotational motion, the opposite ends of the rotating seat 1 are respectively arranged as the windward end and the air supply end, when the rotating seat 1 rotates, the wind-driving blades 2 are driven to drive the position The air on the windward end side is accelerated to flow toward the air supply end side, and a windward surface 3 is arranged on the outer wall surface of the windward end. The outer edge of the windward surface 3 is connected with the circumferential edge of the rotating seat 1, and the inner edge of the windward surface 3 converges toward the axial direction of the rotating seat 1. A plurality of guide plates 4 are evenly arranged on the windward surface 3, and one end of the guide plate 4 extends toward the outer edge of the windward surface, and the other end of the guide plate 4 extends toward the axial direction of the rotating seat 1. A guide groove is formed between two adjacent guide plates 4, and an air duct is formed between two adjacent wind-driving blades 2, and the guide groove is connected to the air duct.

[0020] In the utility model, the windward surface 3 is a conical windward surface protruding from the end face of the rotating seat 1. In other embodiments, the windward surface 3 can also be set as a planar windward surface flush with the end face of the rotating seat 1. The performances achieved by the two structures are similar. The guide plate 4 is set in the plane where the windward surface 3 is protruding, and the edge on the side away from the windward surface 3 is an acute edge. The acute edge can more effectively realize diversion cutting and reduce the generation of turbulence effect.

[0021] Working principle: When the fan blade group is assembled on the brushless motor in the fan body, under the interaction of the brushless motor and the permanent magnet fixed on the inner side of the cavity of the rotating seat 1, the rotating seat 1 generates high-speed rotation, thereby driving the wind-driving blades 2 to rotate. During the rotation process, the wind-driving blades 2 first push the air in the area where the wind-driving blades 2 are located toward the air supply end. When the air is pushed out, a vacuum area is formed in the area where the wind-driving blades 2 are located. At this time, the air at the windward end quickly replenishes the vacuum area, and the air entering the vacuum area is pushed to the side of the air supply end by the wind-driving blades 2 again. Such continuous operation forms a continuous high-speed airflow at the air supply end. In the process of quickly replenishing the air at the windward end to the vacuum zone, the air will first reach the windward surface 3 of the windward end, and then enter the vacuum zone. In this process, when the air enters the vacuum zone, the conventional fan blade group will be disturbed by the high-speed rotating wind-driving blades 2, so that part of the air flows into the vacuum zone, while the other part of the air will appear to be randomly running around, thereby producing a more serious turbulence effect, which will not only produce a reverse collision with the air entering the vacuum zone and reduce the wind speed, but also generate noise. The fan blade group is provided with a guide plate 4 on the windward surface 3, and a guide groove is formed between the two adjacent guide plates 4. Each guide groove is separately connected to the vacuum zone formed by the two adjacent wind-driving blades 2. In this case, when the air at the windward end reaches the windward surface 3, it is cut into multiple airflows by the guide groove in advance to enter the vacuum zone. Under the guidance of the guide groove, the multiple airflows can smoothly enter the vacuum zone, thereby effectively reducing the generation of turbulence, which not only improves the air supply efficiency of the fan blade group, but also has the effect of silent noise reduction.

[0022] To sum up: the application of this fan blade group can effectively increase the blowing speed of the fan under the same conditions, and at the same time it can regulate the wind flow while increasing the speed, reduce the turbulence effect, achieve the effect of silent noise reduction, and effectively improve the user experience.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed air guide blade assembly, comprising a rotating seat (1), a plurality of wind-driving blades (2) are evenly arranged on the circumferential wall surface of the rotating seat (1), and the two opposite ends of the rotating seat (1) are respectively arranged as a windward end and an air supply end. When the rotating seat (1) rotates, the wind-driving blades (2) are driven to accelerate the air on the windward end side to flow to the air supply end side, characterized in that: A windward surface (3) is arranged on the outer wall surface of the windward end, the outer edge of the windward surface (3) is connected to the circumferential edge of the rotating seat (1), the inner edge of the windward surface (3) converges toward the axial direction of the rotating seat (1), and a plurality of guide plates (4) are evenly arranged on the windward surface (3), one end of the guide plate (4) is extended toward the outer edge of the windward surface, and the other end of the guide plate (4) is extended toward the axial direction of the rotating seat (1), a guide groove is formed between two adjacent guide plates (4), and an air passage is formed between two adjacent wind-driving blades (2), and the guide groove is connected to the air passage.

2. A high-speed guide blade assembly according to claim 1, characterized in that: The windward surface (3) is a conical windward surface protruding from the end surface of the rotating seat (1).

3. A high-speed guide blade assembly according to claim 1, characterized in that: The windward surface (3) is a planar windward surface arranged flush with the end surface of the rotating seat (1).

4. A high-speed guide blade assembly according to any one of claims 1 to 3, characterized in that: The inner side of the rotating seat (1) is a hollow cavity, and a rotating shaft (5) is arranged in the hollow cavity. The rotating shaft (5) is arranged at the axis of the rotating seat and is integrally connected to the rotating seat (1).

5. A high-speed guide blade assembly according to claim 1, characterized in that: The deflector (4) is arranged on the plane where the protruding windward surface (3) is located, and the edge on the side away from the windward surface (3) is an acute-angle edge.

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