CN216407263U - Low-noise axial flow fan blade - Google Patents
Low-noise axial flow fan blade Download PDFInfo
- Publication number
- CN216407263U CN216407263U CN202121746560.3U CN202121746560U CN216407263U CN 216407263 U CN216407263 U CN 216407263U CN 202121746560 U CN202121746560 U CN 202121746560U CN 216407263 U CN216407263 U CN 216407263U
- Authority
- CN
- China
- Prior art keywords
- blade
- axial flow
- flow fan
- limiting
- fan blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a low-noise axial flow fan blade, belonging to the field of axial flow fans, comprising a mounting shaft, wherein the surface of the mounting shaft is sleeved with a blade in a sliding manner, limiting grooves are equidistantly arranged on the surface of the blade, elastic pads are symmetrically and fixedly arranged on the inner walls of the limiting grooves, friction pads are fixedly arranged on the surfaces of the elastic pads, a limiting disc is fixedly arranged on the surface of the mounting shaft, the limiting disc is connected with the blade in a sliding manner, a limiting rod enters the limiting grooves by pushing the blade to be in contact with the limiting disc, the blade is kept stable under the action of the elastic pads and the friction pads, a squeezing sleeve can be fixedly arranged through threads arranged on the surface of the mounting shaft, a rubber ring is used for tightly pressing and fixing the blade, the mounting tightness of the blade is ensured, the rotation stability effect of the blade is improved, and the wind resistance and air diversion can be reduced by arranging a spoiler and a diversion groove, the rotating wind pressure of the blade tends to be equivalent, the rotational noise is reduced.
Description
Technical Field
The utility model relates to the field of axial flow fans, in particular to a low-noise axial flow fan blade.
Background
As is well known, the blade of the axial flow fan is a core component of the axial flow fan, the shape and the size of the blade play a decisive role in the performance of the fan, certain limitation is required to be carried out on the noise of the fan under special working conditions, and the lower the noise is, the better the noise is, on the premise of meeting the performance of the fan.
However, most axial flow fan blades also have certain problems, such as poor installation tightness of the blades, large rotation deviation and obvious rotation noise of the whole blades.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a low-noise axial flow fan blade, which enables a limiting rod to enter a limiting groove by pushing the blade to be in contact with a limiting disc, enables the blade to be stable under the action of an elastic pad and a friction pad, can fixedly install an extrusion sleeve through threads arranged on the surface of an installation shaft, enables a rubber ring to tightly press and fix the blade, ensures the installation tightness of the blade, improves the rotation stability effect of the blade, can reduce wind resistance and shunt air through the arrangement of a spoiler and a diversion groove, ensures that the rotating wind pressure of the blade tends to be equivalent, and reduces the rotating noise.
In order to solve the above problems, the present invention adopts the following technical solutions.
A low-noise axial flow fan blade comprises an installation shaft, wherein the surface of the installation shaft is sleeved with blades in a sliding manner, limiting grooves are formed in the surface of the blades at equal intervals, elastic cushions are symmetrically and fixedly installed on the inner walls of the limiting grooves, friction cushions are fixedly installed on the surfaces of the elastic cushions, limiting discs are fixedly installed on the surfaces of the installation shaft, the limiting discs are slidably connected with the blades, threads are arranged on the surface of the installation shaft, an extrusion sleeve is fixedly installed on the surface of the installation shaft through the threads, a limiting rod enters the limiting grooves by pushing the blades to be in contact with the limiting discs, the blades are kept stable under the action of the elastic cushions and the friction cushions, the extrusion sleeve can be fixedly installed through the threads arranged on the surface of the installation shaft, a rubber ring is used for compressing and fixing the blades, the installation tightness of the blades is guaranteed, and the rotation stability effect of the blades is improved, through the setting of spoiler, splitter box, can guarantee that blade pivoted wind pressure tends to the equivalence to reducing windage, reposition of redundant personnel air, reduce the rotational noise.
Further, the surface equidistance fixed mounting of spacing dish has the gag lever post, sliding connection between gag lever post and the friction pad is convenient for under the effect of friction pad, improves the chucking effect of gag lever post.
Furthermore, the surface equidistance fixed mounting of blade has the spoiler, and the spoiler is whole to be the rhombus, is convenient for under the effect of spoiler, effectively reduces the windage, improves the rotation effect of blade.
Further, the surface equidistance of blade is equipped with the splitter box, and the whole half arc that is of splitter box is convenient for under the effect of splitter box, can effectively shunt the air, reduces the wind-pressure differential of blade both sides.
Furthermore, the fixed surface of the extrusion sleeve is provided with a rubber ring, and the rubber ring is connected with the blades in a sliding manner, so that the installation and fastening effects of the extrusion sleeve are improved under the action of the rubber ring.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme is through promoting blade and spacing dish contact, make the gag lever post get into the spacing groove, at the cushion, under the effect of friction pad, make the blade remain stable, and the screw thread through installing the axial surface setting, can carry out fixed mounting to the extrusion housing, make the rubber ring compress tightly fixedly to the blade, guarantee the installation fastening nature of blade, improve the rotational stabilization effect of blade, through the spoiler, the setting of splitter box, can be to reducing the windage, the reposition of redundant personnel air, guarantee that blade pivoted wind pressure tends to the equivalence, reduce the noise of turning.
(2) The surface of the limiting disc is fixedly provided with limiting rods at equal intervals, the limiting rods are connected with the friction pads in a sliding mode, and the clamping effect of the limiting rods is improved under the action of the friction pads.
(3) The surface equidistance fixed mounting of blade has the spoiler, and the spoiler is whole to be the rhombus, is convenient for under the effect of spoiler, effectively reduces the windage, improves the rotation effect of blade.
(4) The surface equidistance of blade is equipped with the splitter box, and the whole semi-arc that is of splitter box is convenient for under the effect of splitter box, can effectively shunt the air, reduces the wind-pressure differential of blade both sides.
(5) The fixed surface of the extrusion sleeve is provided with a rubber ring, and the rubber ring is connected with the blades in a sliding manner, so that the installation and fastening effects of the extrusion sleeve are improved under the action of the rubber ring.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of a blade according to the present invention;
FIG. 3 is an enlarged view of the utility model at A of FIG. 2;
FIG. 4 is a schematic side view of a spoiler of the present invention.
The reference numbers in the figures illustrate:
the device comprises a shaft 1, blades 2, a limiting groove 3, an elastic pad 4, a friction pad 5, a limiting disc 6, a limiting rod 7, a spoiler 8, a shunting groove 9, threads 10, an extrusion sleeve 11 and a rubber ring 12.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-4, a low noise axial flow fan blade includes an installation shaft 1, referring to fig. 1-4, a blade 2 is slidably sleeved on a surface of the installation shaft 1, limiting grooves 3 are equidistantly arranged on a surface of the blade 2, elastic pads 4 are symmetrically and fixedly installed on inner walls of the limiting grooves 3, friction pads 5 are fixedly installed on surfaces of the elastic pads 4, a limiting disc 6 is fixedly installed on the surface of the installation shaft 1, the limiting disc 6 is slidably connected with the blade 2, limiting rods 7 are fixedly installed on the surface of the limiting disc 6 at equal intervals, the limiting rods 7 are slidably connected with the friction pads 5, so that a clamping effect of the limiting rods 7 is improved under an action of the friction pads 5, spoiler blades 8 are fixedly installed on the surface of the blade 2 at equal intervals, and the spoiler 8 is integrally rhombic, so that wind resistance is effectively reduced and a rotation effect of the blade 2 is improved under an action of the spoiler 8, blade 2's surperficial equidistance is equipped with splitter box 9, and splitter box 9 is whole to be half arc, be convenient for under splitter box 9's effect, can effectively shunt the air, reduce the pressure differential of 2 both sides of blade, the surface of installation axle 1 is equipped with screw thread 10, there is extrusion sleeve 11 installation axle 1's surface through screw thread 10 fixed mounting, extrusion sleeve 11's fixed surface installs rubber ring 12, sliding connection between rubber ring 12 and the blade 2, be convenient for under rubber ring 12's effect, improve extrusion sleeve 11's installation fastening effect.
This low noise axial fan blade, the accessible promotes blade 2 and slides along installation axle 1 surface, finally with spacing dish 6 contact, make gag lever post 7 get into spacing groove 3, at cushion 4, under the effect of friction pad 5, make blade 2 keep stable state, and through the screw thread 10 of installation axle 1 surface setting, can carry out fixed mounting to extrusion sleeve 11, make rubber ring 12 compress tightly fixedly to blade 2, guarantee blade 2's installation fastening nature, improve blade 2's rotational stabilization effect, through spoiler 8, the setting of splitter box 9, can be to reducing the windage, the reposition of redundant personnel air, guarantee that blade 2 pivoted tends to the wind pressure in equivalence, thereby reduce the noise of rotation, be convenient for people's use.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a low noise axial fan blade, includes installation axle (1), its characterized in that: the surface of installation axle (1) slides and has cup jointed blade (2), the surperficial equidistance of blade (2) is equipped with spacing groove (3), the inner wall symmetry fixed mounting of spacing groove (3) has cushion (4), the fixed surface of cushion (4) installs friction pad (5), the fixed surface of installation axle (1) installs spacing dish (6), sliding connection between spacing dish (6) and blade (2), the surface of installation axle (1) is equipped with screw thread (10), the surface of installation axle (1) has extrusion sleeve (11) through screw thread (10) fixed mounting.
2. The low noise axial flow fan blade according to claim 1, wherein: the surface equidistance fixed mounting of spacing dish (6) has gag lever post (7), sliding connection between gag lever post (7) and friction pad (5).
3. The low noise axial flow fan blade according to claim 1, wherein: the surface equidistance fixed mounting of blade (2) has spoiler (8), and spoiler (8) are whole to be the rhombus.
4. The low noise axial flow fan blade according to claim 1, wherein: the surface equidistance of blade (2) is equipped with splitter box (9), and splitter box (9) wholly is half arc.
5. The low noise axial flow fan blade according to claim 1, wherein: the surface of the extrusion sleeve (11) is fixedly provided with a rubber ring (12), and the rubber ring (12) is connected with the blade (2) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121746560.3U CN216407263U (en) | 2021-07-29 | 2021-07-29 | Low-noise axial flow fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121746560.3U CN216407263U (en) | 2021-07-29 | 2021-07-29 | Low-noise axial flow fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407263U true CN216407263U (en) | 2022-04-29 |
Family
ID=81287275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121746560.3U Active CN216407263U (en) | 2021-07-29 | 2021-07-29 | Low-noise axial flow fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324930A (en) * | 2022-09-19 | 2022-11-11 | 广东肇庆德通有限公司 | Fan blade of axial flow fan |
-
2021
- 2021-07-29 CN CN202121746560.3U patent/CN216407263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324930A (en) * | 2022-09-19 | 2022-11-11 | 广东肇庆德通有限公司 | Fan blade of axial flow fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216407263U (en) | Low-noise axial flow fan blade | |
| CN211648507U (en) | High-efficient dust catcher fan assembly and dust catcher thereof | |
| CN209250426U (en) | A kind of motor | |
| CN201679746U (en) | Low-noise axial flow fan | |
| CN209879445U (en) | Computer radiator | |
| CN208518932U (en) | A kind of electric fan | |
| CN212959233U (en) | High-temperature-resistant and abrasion-resistant fan rotor | |
| CN216199134U (en) | Novel fan for air-conditioning suit | |
| CN201763683U (en) | Blade structure of axial flow fan | |
| CN213928805U (en) | Low-noise axial air-out type sweeper fan | |
| CN220435087U (en) | Wing type blade fan impeller | |
| CN216306289U (en) | Cross-flow fan | |
| CN221195496U (en) | High-stability rotary fan blade | |
| CN2448968Y (en) | Vibration-proof reservible axial-flow blower fan | |
| CN110878767A (en) | Large chord length inlet guide vane structure | |
| CN212744476U (en) | Even fan of air conditioner convenient to fast assembly | |
| CN213598270U (en) | Fan front cover | |
| CN213839060U (en) | Mixed flow fan for ventilation of granary | |
| CN217565898U (en) | Dust collection assembly of dust collector | |
| CN214221602U (en) | Novel guide-wing axial flow impeller special for industrial furnace | |
| CN215313180U (en) | Self-cooling box body for butterfly centrifuge | |
| CN211116790U (en) | Mute fan blade for guiding air flow of electric appliance cabinet | |
| CN209164120U (en) | A kind of low noise axial fan | |
| CN220890575U (en) | Reinforced forward-tilting impeller | |
| CN216199066U (en) | Upright pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |