CN214464990U

CN214464990U - Fan capable of improving static pressure and fan frame structure thereof

Info

Publication number: CN214464990U
Application number: CN202022636319.7U
Authority: CN
Inventors: 许文昉; 许嘉恒; 刘智豪; 黄家烈
Original assignee: Yiyi Jiangxi Electronic Technology Co ltd
Current assignee: Yiyi Jiangxi Electronic Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-10-22
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a fan frame structure capable of improving static pressure, which comprises a frame body, a bearing seat and a plurality of static blades, wherein the bearing seat is provided with an axis and is arranged in the frame body, each static blade is respectively connected with the frame body and the bearing seat and is arranged at intervals, each static blade comprises a lower blade and an upper blade bent and extended from the lower blade, a first included angle is formed between the upper surface of the lower blade and the axis, a second included angle is formed between the upper surface of the upper blade and the axis, and the angle of the second included angle is larger than that of the first included angle; therefore, the static pressure of the fan can be increased, and the power consumed during operation can be reduced.

Description

Fan capable of improving static pressure and fan frame structure thereof

Technical Field

The utility model belongs to the technical field of fan and fan wheel structure thereof, in particular to fan that can promote static pressure and fan frame structure thereof.

Background

With the advance of science and technology, the functions of the computer and other 3C products are more and more diversified, the operation efficiency is higher and higher, and the heat generated by the electronic components inside the computer is more, so that most of the electronic components need to be dissipated by a heat dissipating device to avoid the performance and stability of the electronic components from being affected by the over-high temperature, wherein the heat dissipating fan is a common heat dissipating device.

However, the conventional fan often has problems of concentrated air outlet, insufficient wind pressure, and the like, which results in poor heat dissipation efficiency, and cannot effectively dissipate heat from densely arranged electronic component regions or other high heat accumulation portions.

In view of the above problems, the present inventors have made extensive studies to solve the above problems in view of the above disadvantages of the prior art, and have made an effort to improve the present invention.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to increase the static pressure of a fan and to reduce the power consumed during operation.

In order to achieve the above object, the present invention provides a fan frame structure capable of increasing static pressure, which includes a frame, a bearing seat and a plurality of stationary blades, wherein the bearing seat has an axis and is disposed in the frame, each stationary blade is respectively connected to the frame and the bearing seat and is disposed at an interval, each stationary blade includes a lower blade and an upper blade bent and extended from the lower blade, a first included angle is formed between the upper surface of the lower blade and the axis, a second included angle is formed between the upper surface of the upper blade and the axis, and the angle of the second included angle is greater than the angle of the first included angle.

In order to achieve the above object, the present invention provides a fan capable of increasing static pressure, which includes a fan frame structure and a fan wheel, wherein the fan frame structure includes a frame body, a bearing seat and a plurality of stationary blades, the bearing seat has an axis and is disposed in the frame body, each stationary blade is respectively connected to the frame body and the bearing seat and is disposed at an interval, each stationary blade includes a lower blade and an upper blade bent and extended from the lower blade, a first included angle is formed between the upper surface of the lower blade and the axis, a second included angle is formed between the upper surface of the upper blade and the axis, and the angle of the second included angle is greater than that of the first included angle; the impeller includes a hub and a plurality of blades extending from an outer periphery of the hub.

The novel plastic bottle also has the following effects: the upper blade is arranged in a deflection way relative to the lower blade, so that the air outlet of each stationary blade is concentrated and the air pressure is strong. Through each fixing hole on the frame body, a screw fixing element can be respectively locked and fixed to fix the fan frame structure.

Drawings

Fig. 1 is a perspective view of the novel fan frame structure.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is a top view of the novel fan frame structure.

Fig. 4 is a cross-sectional view of the novel fan frame structure.

Fig. 5 is another cross-sectional view of the novel fan frame structure.

Fig. 6 is a perspective view of the novel fan.

In the figure: 1, a fan; 10, a fan frame structure; 11, a frame body; 111, air inlet; 112, an air outlet; 113, an internal flow passage; 114, a fixing hole; 12, a bearing part; 121, an axis; 13, a stationary blade; 131, lower leaves; 132, upper blade; 1321, cutting; 14, a first included angle; 15, a second included angle; 20, a fan wheel; 21, a hub; 22 fan blades.

Detailed Description

The structure principle of the present invention will be further described in detail with reference to the accompanying drawings.

The detailed description and technical contents of the present invention will be described below with reference to the drawings, but the drawings are only for illustrative purposes and are not intended to limit the present invention.

Referring to fig. 1 to 5, a fan frame structure 10 capable of increasing static pressure includes a frame 11, a bearing base 12, and a plurality of stationary blades 13.

The frame 11 may be formed by plastic injection molding, and has an air inlet 111, an air outlet 112, and an internal flow channel 113 for air flow, wherein the air inlet 111 and the air outlet 112 are respectively disposed at the top and the bottom of the frame 11, and the internal flow channel 113 is connected to the air inlet 111 and the air outlet 112, so that the air enters from the air inlet 111 and flows through the internal flow channel, and then flows out from the air outlet 112, the frame 11 is further provided with a plurality of fixing holes 114, and each fixing hole 114 is used for a screw fixing element to fix the fan frame structure 10.

The carrying seat 12 can be formed by plastic injection molding, and has an axis 121, and the carrying seat 12 is disposed in the frame 11 and located on the air outlet 112.

Each stationary blade 13 may be formed by plastic injection molding, each stationary blade 13 is connected to the frame 11 and the carrier 12 and disposed at an interval, each stationary blade 13 includes a lower blade 131 and an upper blade 132 bent and extended from the lower blade 131, a first included angle 14 is formed between the upper surface of the lower blade 131 and the axis 121, a second included angle 15 is formed between the upper surface of the upper blade 132 and the axis 121, wherein the angle of the second included angle 15 is greater than the angle of the first included angle 14, the upper surface of the upper blade 132 is a curved surface, and the second included angle 15 is formed by intersecting a tangent line 1321 of the curved surface and the axis 121.

Further, the angle difference between the second included angle 15 and the first included angle 14 can be any angle between 5 degrees and 45 degrees, and the first included angle 14 can be any angle between 5 degrees and 25 degrees.

Preferably, the angle difference between the second included angle 15 and the first included angle 14 can be any angle between 15 degrees and 35 degrees, and the first included angle 14 can be any angle between 10 degrees and 20 degrees.

Further preferably, the angle difference between the second angle 15 and the first angle 14 is 25 degrees, and the first angle 14 is 15 degrees.

Further, when the angle difference between the second included angle 15 and the first included angle 14 is greater than 45 degrees, the air volume generated by the airflow flowing out of the frame 11 is reduced, and when the angle difference between the second included angle 15 and the first included angle 14 is less than 5 degrees, the static pressure is not significantly increased, so that when the angle difference between the second included angle 15 and the first included angle 14 is any one of 5 to 45 degrees, a certain static pressure can be increased, and the air volume generated by the airflow flowing out of the frame 11 is also prevented from being too small.

Further, when the angle of the first included angle 14 is larger than 25 degrees, the air flow from the frame 11 will not be concentrated; when the angle of the first angle 14 is smaller than 5 degrees, the amount of air generated by the air flowing out from the frame 11 is too small, so that the stationary blade 13 with any one of 5 to 25 degrees as the first angle 14 can avoid the air flowing out from being concentrated and the air amount generated from being too small.

Referring to fig. 6, the present invention further provides a fan 1 capable of increasing static pressure, which includes: the fan 20 and the fan frame structure 10 are integrally formed by plastic injection, and the fan 20 includes a hub 21 and a plurality of blades 22 extending from the outer periphery of the hub 21, and the fan 20 is rotatably disposed in the frame 11 and connected to the supporting portion 12.

To sum up, this novel industry practicality, novelty and creativity have had, accord with the patent application requirement completely, propose the application according to the patent law now. There are, of course, many other embodiments of this invention and it will be apparent to those skilled in the art that many changes and modifications can be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications be covered by the appended claims.

Claims

1. A fan frame structure (10) for elevating static pressure, comprising: a frame (11); and a carrying seat (12) disposed in the frame (11), the carrying seat (12) having an axis (121); and a plurality of stationary blades (13) respectively connected with the frame (11) and the bearing seat (12) and arranged at intervals, wherein each stationary blade (13) comprises a lower blade (131) and an upper blade (132) bent and extended from the lower blade (131), a first included angle (14) is formed between the upper surface of the lower blade (131) and the axis (121), a second included angle (15) is formed between the upper surface of the upper blade (132) and the axis (121), and the angle of the second included angle (15) is greater than that of the first included angle (14).

2. The fan frame structure (10) capable of increasing static pressure according to claim 1, wherein the angle difference between the second included angle (15) and the first included angle (14) is between 5 and 45 degrees.

3. The fan frame structure (10) capable of increasing static pressure according to claim 2, wherein the angle difference between the second included angle (15) and the first included angle (14) is between 15 and 35 degrees.

4. A fan frame structure (10) for elevating static pressure according to claim 3, wherein the angle difference between the second angle (15) and the first angle (14) is 25 degrees.

5. The fan frame structure (10) capable of raising static pressure according to claim 1, wherein the first included angle (14) is between 5 and 25 degrees.

6. The fan frame structure (10) capable of raising static pressure according to claim 5, wherein the first included angle (14) is between 10 and 20 degrees.

7. The fan frame structure (10) capable of raising static pressure according to claim 6, wherein the first included angle (14) is 15 degrees.

8. The fan frame structure (10) for increasing static pressure as claimed in claim 1, wherein the upper surface of the upper blade (132) is curved and has a tangent (1321), and the second included angle (15) is formed by the intersection of the tangent (1321) and the axis (121).

9. The fan frame structure (10) for increasing static pressure according to claim 1, wherein the frame body (11) has an air inlet (111), an air outlet (112) and an internal channel (113) for air flow, the air inlet (111) and the air outlet (112) are respectively disposed at the top and the bottom of the frame body (11), and the internal channel (113) communicates the air inlet (111) and the air outlet (112).

10. The fan frame structure (10) for increasing static pressure according to claim 1, wherein the frame body (11) further has a plurality of fastening holes (114), each fastening hole (114) being for fastening a fastening element.

11. A fan (1) capable of increasing static pressure comprises a fan wheel (20) having a hub (21) and a plurality of fan blades (22) extending from the outer periphery of the hub (21); and a fan frame structure (10) according to any one of claims 1 to 10, wherein the fan wheel (20) is rotatably disposed in the frame body (11) and connected to the carrying seat (12).