CN218407850U

CN218407850U - Shock-proof low-noise radiating fan

Info

Publication number: CN218407850U
Application number: CN202222399477.4U
Authority: CN
Inventors: 王诤
Original assignee: Hangzhou Winway Electronics Co ltd
Current assignee: Hangzhou Winway Electronics Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-31
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses an antidetonation low noise radiator fan, which comprises a motor, and an outer shell, wheel hub, the blade, circle and triangle-shaped wind-guiding wing board, be fixed with the motor on the shell and drive the rotation of wheel hub, wheel hub is last to be radial and has arranged a plurality of blades along circumference, the inner edge and the wheel hub fixed connection of blade, the outer fringe of blade and the inner circle fixed connection of circle, the outer fringe of blade extends along the interior anchor ring of circle and is equipped with triangle-shaped wind-guiding wing board, the blade is equipped with convex arc leading edge and sharp form trailing edge, sharp form to be equipped with on the trailing edge and fall the sawtooth of making an uproar, sharp form trailing edge outside tip and the rear end of outer fringe and join and be connected, sharp form the trailing edge extension towards convex arc leading edge and join with the rear end of inner edge and be connected, the cover is equipped with the antidetonation rubber pad on the outer lane of circle. This radiator fan improves wind-force stability through optimizing fan structure, reduces wind and makes an uproar, can nimble adaptation rubber snubber block, effectively slows down vibrations.

Description

Shock-proof low-noise radiating fan

Technical Field

The utility model relates to an axial fan technical field especially relates to an antidetonation low noise radiator fan.

Background

The axial flow heat dissipation fan is also called an axial flow fan. The axial flow fan is one of various fan types, and refers to a fan in which air flows in a rotation direction of a shaft on which blades are installed when the fan operates, and the size of the axial flow fan is different according to different application places and fields. In order to meet the requirement of higher standard heat radiation performance, a method of increasing the rotation speed of the fan is generally adopted, and when the rotation speed of the fan is increased, the blades vibrate, the wind power is not stable enough, and then higher fan noise is brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the defects of the prior art and aims to provide an anti-shock low-noise heat dissipation fan,

through optimizing the fan structure, improve wind-force stability, reduce wind and make an uproar, can nimble adaptation rubber snubber block, under the condition that increases the wind speed amount of wind, can effectively slow down vibrations.

The utility model discloses a make above-mentioned technical problem solve through following technical scheme.

Antidetonation low noise radiator fan, including motor, shell, wheel hub, blade, wind circle and triangle-shaped wind-guiding pterygoid lamina, be fixed with on the shell the motor drives wheel hub gyration, it is radial radially along circumference arranged a plurality of on the wheel hub the blade, the inner edge of blade with wheel hub fixed connection, the outer fringe of blade with the inner circle fixed connection of wind circle, the outer fringe of blade is followed the inner circle face extension of wind circle is equipped with triangle-shaped wind-guiding pterygoid lamina, the blade is equipped with convex arc leading edge and straight line form trailing edge, be equipped with the sawtooth of making an uproar on the straight line form trailing edge outside tip with the rear end portion of outer fringe joins the connection, straight line form trailing edge medial extremity orientation convex arc leading edge bending type becomes the trailing edge extension and with the rear end portion of inner edge joins the connection, the cover is equipped with the antidetonation rubber pad on the outer lane of wind circle.

Preferably, a plurality of rubber buckles are arranged on the side wall of the anti-seismic rubber pad at intervals in the circumferential direction.

Preferably, a plurality of through holes are formed in the anti-seismic rubber mat body at intervals in the circumferential direction.

Preferably, a plurality of notches are formed in the side wall of the anti-seismic rubber pad.

Preferably, the surfaces of the two sides of the blade are respectively a suction curved surface and a pressure curved surface.

Preferably, the number of the blades is seven.

Preferably, the blades are LS aerofoil blades.

Preferably, the straight trailing edge and the trailing edge extension form an obtuse angle therebetween.

Preferably, the obtuse angle is 120 to 145 degrees.

Preferably, an outer ring of the wind ring is formed with a wind ring flow guiding conical surface.

The utility model has the advantages that:

1. the anti-vibration rubber pad is additionally arranged on the outer ring of the wind ring and used for flexibly installing the rubber shock absorption block, so that the vibration of the blades can be reduced under the condition of increasing the wind speed and the wind quantity, the stability of wind power output is enhanced, and the wind noise is reduced.

2. The original arc-shaped rear edge of the blade is optimized to form a linear rear edge, the outer end of the linear rear edge is connected with the rear end of the outer edge in a converging manner, the inner end of the linear rear edge is bent towards the convex arc-shaped front edge to form a rear edge extension part and the rear end of the inner edge in a converging manner, so that the rear edge of the blade forms an inner concave part at the tail end close to the hub, the improvement of air outlet efficiency and the enhancement of air outlet quantity are facilitated, meanwhile, noise reduction sawteeth are additionally arranged on the linear rear edge, the generation of turbulence noise on the blade is facilitated, the wind cutting noise generated by the rotation of the blade is reduced, and the reduction of wind noise is facilitated.

3. The triangular wind guide wing plate is beneficial to guiding the countercurrent wind not to interfere with the mainstream wind in the vertical direction, and enables the countercurrent wind and the mainstream wind to be smoothly converged, thereby inhibiting the formation of air vortex and reducing vortex noise.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present application with the outer shell removed;

FIG. 2 is a schematic structural view of embodiment 2 of the present application with the outer case removed;

fig. 3 is a schematic structural view of embodiment 3 of the present application in a state where the outer casing is removed.

In the figure: 1-hub, 2-blade, 3-wind ring, 4-triangular wind guiding wing plate, 5-inner edge, 6-outer edge, 7-convex arc front edge, 8-linear rear edge, 9-rear edge extension part, 10-shock-resistant rubber pad, 11-noise reduction sawtooth, 12-rubber buckle, 13-perforation and 14-notch.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the utility model discloses antidetonation low noise radiator fan of embodiment 1, including motor, shell, wheel hub 1, blade 2, solar or lunar halo 3 and triangle-shaped wind-guiding wing plate 4, fix on the shell motor (not shown in the figure) and drive wheel hub 1 gyration, it is radial to be arranged along circumference on wheel hub 1 a plurality of blade 2, in this embodiment blade 2 is seven, blade 2 is LS wing section blade.

The surfaces of the two sides of the blade 2 are respectively a suction curved surface and a pressure curved surface. The inner edge 5 of the blade 2 is fixedly connected with the hub 1, and the outer edge 6 of the blade 2 is fixedly connected with the inner ring of the wind ring 3. And the outer ring of the wind ring 3 is provided with a wind ring flow guiding conical surface. The triangular air guide wing plate 4 is arranged on the outer edge 6 of the blade 2 along the inner ring surface of the wind ring 3 in an extending manner. The blade 2 is provided with a convexly curved leading edge 7 and a rectilinear trailing edge 8. And the straight rear edge 8 is provided with noise reduction sawteeth 11. The outer side end of the linear rear edge 8 is connected with the rear side end of the outer edge 6 in a converging manner, the inner side end of the linear rear edge 8 is bent towards the convex arc-shaped front edge 7 to form a rear edge extension part 9 and is connected with the rear side end of the inner edge 5 in a converging manner, further, an obtuse angle is formed between the linear rear edge 8 and the rear edge extension part 9, and the obtuse angle is 120-145 degrees. The outer ring of the wind ring 3 is sleeved with a shock-resistant rubber pad 10, a plurality of rubber buckles 12 are arranged on the side wall of the shock-resistant rubber pad 10 at intervals in the circumferential direction, and the shock-resistant rubber pad can be installed with a corresponding rubber shock absorption block in a matched mode through the rubber buckles 12.

Example 2

As shown in fig. 2, the basic structure is the same as that of embodiment 1, except that a plurality of through holes 13 are circumferentially spaced on the body of the anti-seismic rubber pad 10, and the anti-seismic rubber pad can be fittingly installed with a corresponding rubber shock absorption block through the through holes 13.

Example 3

As shown in fig. 3, the basic structure is the same as that of embodiment 1, except that a plurality of notches 14 are formed on the side wall of the anti-seismic rubber pad 10, and the anti-seismic rubber pad can be installed in a manner of being matched with a corresponding rubber shock absorption block through the notches 14.

While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the claims of the present application belong to the protection scope of the present invention.

Claims

1. Antidetonation low noise radiator fan, including motor, shell, wheel hub (1), blade (2), solar or lunar halo (3) and triangle-shaped wind-guiding pterygoid lamina (4), be fixed with on the shell the motor drives wheel hub (1) gyration, it has a plurality ofly radially to be arranged along circumference on wheel hub (1) blade (2), characterized by: inner edge (5) of blade (2) with wheel hub (1) fixed connection, outer fringe (6) of blade (2) with the inner circle fixed connection of solar or lunar halo (3), outer fringe (6) of blade (2) are followed the inner circle face extension of solar or lunar halo (3) is equipped with triangle-shaped wind-guiding wing board (4), blade (2) are equipped with convex arc leading edge (7) and straight line form trailing edge (8), be equipped with on the straight line form trailing edge (8) and fall sawtooth (11), straight line form trailing edge (8) outside end with the rear end portion of outer fringe (6) joins and connects, straight line form trailing edge (8) medial extremity orientation convex arc leading edge (7) bending type becomes trailing edge extension (9) and with the rear end portion of inner edge (5) joins and connects, the cover is equipped with antidetonation rubber pad (10) on the outer lane of solar or lunar halo (3).

2. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: and a plurality of rubber buckles (12) are arranged on the side wall of the anti-vibration rubber pad (10) at intervals in the circumferential direction.

3. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: a plurality of through holes (13) are formed in the body of the anti-vibration rubber pad (10) at intervals in the circumferential direction.

4. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: the side wall of the anti-vibration rubber pad (10) is provided with a plurality of notches (14).

5. The anti-vibration low-noise heat dissipation fan of claim 1, wherein: the surfaces of the two sides of the blade (2) are respectively a suction curved surface and a pressure curved surface.

6. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: the number of the blades (2) is seven.

7. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: the blades (2) are LS airfoil-shaped blades.

8. The anti-vibration low-noise heat dissipation fan of claim 1, wherein: the straight line-shaped rear edge (8) and the rear edge extension part (9) form an obtuse angle.

9. An anti-vibration low-noise heat dissipation fan as defined in claim 8, wherein: the obtuse angle is 120 to 145 degrees.

10. An anti-seismic low noise heat dissipation fan as defined in claim 1, wherein: and an air ring flow guide conical surface is formed on the outer ring of the air ring (3).