CN212563790U

CN212563790U - Novel axial flow wind wheel

Info

Publication number: CN212563790U
Application number: CN202021030974.1U
Authority: CN
Inventors: 曾福田
Original assignee: Foshan Shunde Delitong Plastic Industry Co ltd
Current assignee: Foshan Shunde Delitong Plastic Industry Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-19
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a novel axial flow wind wheel, which comprises a flow guide seat and a plurality of blades which are uniformly distributed outside the flow guide seat by taking the axis of the flow guide seat as the center circumference, and is characterized in that a material-saving cavity for accommodating a motor is arranged at one end of the flow guide seat, which is connected with the motor; a connecting rod which is coaxial with the axis of the flow guide seat is arranged in the material-saving cavity; the connecting rod is an external thread rod; the joint of the guide seat and the blade is provided with a boss, and a groove is formed in the joint of one end, facing the material-saving cavity, of the boss and the guide seat. The utility model has simple structure and reasonable design, reduces the manufacturing cost, lightens the weight of the wind wheel, enables the rotating speed to be faster, and ensures the integral strength of the axial flow wind wheel; meanwhile, the structural design that the external threaded rod is connected with the motor is adopted, so that additional knob fixing pieces are reduced, the cost is reduced, and the axial flow wind wheel is more firmly connected with the motor and more convenient to install.

Description

Novel axial flow wind wheel

Technical Field

The utility model relates to a ventilation technology field especially relates to a novel axial compressor wind wheel.

Background

The existing fan is mainly used for heat dissipation and ventilation, and the existing axial flow wind wheel used on the fan is usually required to be connected with a motor rotating shaft in a clamping manner and then fixed on a rotating shaft through an additional knob when being installed with the motor, so that the installation process and the manufacturing cost are increased, and the production efficiency is also influenced.

In addition, the existing fan only can increase the air flow distance by increasing the rotation speed of the axial flow wind wheel, so that the traditional axial flow wind wheel can generate larger wind resistance and larger wind noise, and the generated air flow is dispersed to influence the ventilation and heat dissipation performance of the fan.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a novel axial flow wind wheel which has simple structure, reasonable design, convenient installation, low cost, large air quantity and low noise.

The utility model discloses the technical scheme who adopts as follows:

a novel axial flow wind wheel comprises a flow guide seat and a plurality of blades which are uniformly distributed on the outer side of the flow guide seat circumferentially and take the axis of the flow guide seat as the center, and is characterized in that a material-saving cavity for accommodating a motor is formed at one end, connected with the motor, of the flow guide seat; a connecting rod which is coaxial with the axis of the flow guide seat is arranged in the material-saving cavity; the connecting rod is an external thread rod;

the joint of the guide seat and the blade is provided with a boss, and a groove is formed in the joint of one end, facing the material-saving cavity, of the boss and the guide seat.

Preferably, each of the blades comprises a root edge connected with the boss, an arc-shaped lower edge and an upper edge, and an arc-shaped front edge positioned at the outer end of the blade to connect the lower edge with the lower edge; a lower blade tip is arranged between the front edge and the lower edge; an upper blade tip is arranged between the upper edge and the front edge, and the lower blade tip and the upper blade tip are both arc-shaped;

the blade also comprises a windward side and a leeward side; the blades are arc-shaped, and the windward surfaces of the blades are concave to the leeward surfaces; the windward side and the leeward side are gradually reduced from the blade root edge to the blade tip.

Preferably, the front view of the guide vane seat is taken as a view direction, an included angle between the vane and the axis of the guide vane seat is a1, wherein a1 ranges from 30 degrees to 60 degrees.

Preferably, the surface of one side of the boss in the groove is provided with reinforcing ribs, and the reinforcing ribs are uniformly distributed around the axis of the flow guide seat as the center.

Preferably, the number of the blades is five.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model has simple structure and reasonable design, and the joint of the blade and the guide seat is provided with the boss, the joint of the boss and the guide seat is provided with the groove, and the groove is internally provided with the reinforcing rib, thereby reducing the manufacturing cost, lightening the weight of the wind wheel, leading the rotating speed to be faster and ensuring the integral strength of the axial flow wind wheel;

2. the structural design that the external screw thread pole is connected with the motor is adopted, extra knob fixing pieces are reduced, the cost is reduced, and the axial flow wind wheel is connected with the motor more firmly and more conveniently.

3. The blade structure is improved and optimized, the wind collecting area is increased, and the flow guide effect is better, so that the wind wheel can provide large wind quantity, the wind collecting effect is improved by 15%, and high static pressure is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

fig. 4 is a bottom view of the present invention;

fig. 5 is a front view of the present invention;

wherein: the guide vane comprises a guide vane seat 1, vanes 2, a boss 3, a connecting rod 4, a reinforcing rib 5, a material-saving cavity 11, a vane root edge 21, a lower edge 22, an upper edge 23, a front edge 24, a lower vane tip 25, an upper vane tip 26, a windward side 27, a leeward side 28 and a groove 31.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-5, a novel axial flow wind wheel comprises a guide seat 1 and a plurality of blades 2 which are uniformly distributed on the outer side of the guide seat 1 around the axis of the guide seat 1 as the center, and is characterized in that a material-saving cavity 11 for accommodating a motor is formed at one end of the guide seat 1 connected with the motor; a connecting rod 4 which is coaxial with the axis of the flow guide seat 1 is arranged in the material-saving cavity 11; the connecting rod 4 is an external thread rod.

The guide base 1 is provided with boss 3 with blade 2 junction, boss 3 is equipped with recess 31 towards economize material die cavity 11 one end and guide base 1 junction.

In the embodiment, the boss 3 is arranged at the joint of the blade 2 and the flow guide seat 1, and the groove 31 is formed at the joint of the boss 3 and the flow guide seat 1, so that the manufacturing cost is reduced, the weight of the wind wheel is reduced, the rotating speed is higher, and the overall strength of the axial flow wind wheel is ensured. At least 10% of material cost can be saved, and simultaneously, because the material-saving cavity 11 is arranged between the boss 3 and the guide seat 1, the connection strength of the blade 2 and the wheel disc and the strength of the whole impeller are not influenced.

In addition, the connecting rod 4 with the external threads is fixedly connected with the motor through threads, so that one end of the motor, which is connected with the connecting rod 4, is closely connected with the material-saving cavity 11, the motor is directly connected and fixed with the wind wheel, additional knob fixing pieces are reduced, the cost is reduced, and the axial flow wind wheel is connected with the motor more firmly and is convenient to install and disassemble.

Further, as shown in fig. 1 and 5, each of the blades 2 includes a blade root edge 21 connected to the boss 31, an arc-shaped lower edge 22 and an upper edge 23, and an arc-shaped front edge 24 located at the outer end of the blade 2 to connect the lower edge 22 and the lower edge 23; a lower blade tip 25 is arranged between the front edge 24 and the lower edge 22; an upper blade tip 26 is arranged between the upper edge 23 and the front edge 24, and both the lower blade tip 25 and the upper blade tip 26 are arc-shaped.

The blade 2 further comprises a windward side 27 and a leeward side 28; the blades 2 are arc-shaped, and the windward surfaces 27 are concave to the leeward surfaces 28; the windward side 27 and the leeward side 28 taper from the root edge 21 towards the upper blade tip 26.

In this embodiment, through the structural design to blade 2, increase 2 collection wind areas of blade, the water conservancy diversion effect is better for the wind wheel can enough provide big amount of wind, and collection wind effect promotes 15%.

Further, as shown in fig. 5, taking the front view of the guide seat 1 as the view direction, an included angle between the vane 2 and the axis 1 of the guide seat is a1, wherein a1 is in a range of 30 ° to 60 °; in this embodiment, a1 is 45 °, and the structure is arranged to compress the airflow, so as to increase the wind pressure.

Further, as shown in fig. 3 and 4, reinforcing ribs 5 are arranged on the surface of one side of the boss 3 in the groove 31, and the reinforcing ribs 5 are uniformly distributed on the circumference by taking the axis of the flow guide seat 1 as the center; through the arrangement of the reinforcing ribs 5, the strength between the blades 2 and the bosses 3 is improved, so that the overall strength of the axial flow wind wheel can be ensured at the rotating speed.

Further, the number of the blades is five; the more the blades 2 are, the smaller the noise is, but the too many blades 2 influence the air quantity; the number of the blades 2 is five or seven, because five or seven blades cannot be divided by other numbers, the electromagnetic noise frequency of the motor is avoided, and the noise is reduced; meanwhile, the air quantity effect is optimal under the condition of controlling the cost by matching the structure.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.

Claims

1. A novel axial flow wind wheel comprises a flow guide seat and a plurality of blades which are uniformly distributed on the outer side of the flow guide seat circumferentially and take the axis of the flow guide seat as the center, and is characterized in that a material-saving cavity for accommodating a motor is formed at one end, connected with the motor, of the flow guide seat; a connecting rod which is coaxial with the axis of the flow guide seat is arranged in the material-saving cavity; the connecting rod is an external thread rod;

2. The new axial flow wind wheel according to claim 1, characterized in that each of said blades comprises a root edge connected to said boss, an arc-shaped lower edge and an upper edge, and an arc-shaped front edge located at the outer end of said blade to connect said lower edge and lower edge; a lower blade tip is arranged between the front edge and the lower edge; an upper blade tip is arranged between the upper edge and the front edge, and the lower blade tip and the upper blade tip are both arc-shaped;

3. The novel axial flow wind wheel as claimed in claim 1, wherein the front view of the guide seat is taken as the view direction, the included angle between the blade and the axis of the guide seat is a1, wherein a1 is in the range of 30 ° to 60 °.

4. The novel axial flow wind wheel as claimed in claim 1, wherein a reinforcing rib is provided on a side surface of the boss in the groove, and the reinforcing ribs are evenly distributed circumferentially around the axis of the wind guide seat.

5. The new axial flow wind wheel according to claim 1, characterized in that the number of said blades is five.