CN214887920U - Axial flow fan blade and air conditioner - Google Patents
Axial flow fan blade and air conditioner Download PDFInfo
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- CN214887920U CN214887920U CN202120893042.8U CN202120893042U CN214887920U CN 214887920 U CN214887920 U CN 214887920U CN 202120893042 U CN202120893042 U CN 202120893042U CN 214887920 U CN214887920 U CN 214887920U
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Abstract
An axial flow fan blade comprises a hub and a plurality of blades annularly arranged on the periphery of the hub, wherein the blade tips of the blades, the outer edges of the blades and the front edges of the blades are provided with reinforced parts; on the horizontal projection plane, the reinforced part of the blade tip is provided with a first clamping edge which is a tangent line passing through the center of the hub and tangent to the outer edge of the blade tip, a second clamping edge which is a tangent line passing through the center of the hub and tangent to the inner edge of the blade tip, and the included angle between the first clamping edge and the second clamping edge is theta 1, wherein theta 1 is more than or equal to 3 degrees and less than or equal to 20 degrees. The utility model discloses a position design rib of apex, blade outer fringe and blade leading edge on blade suction surface can strengthen the overall structure of blade, and what the blade leaf was at pivoted in-process apex position vibrates and the axial deformation range all can reduce to reduce the noise of complete machine and improve the amount of wind of complete machine, in addition, during air conditioner refrigeration, the off-premises station blows hot-blast, has the axial compressor blade of rib, and the life-span is longer in the higher service environment of this kind of temperature.
Description
Technical Field
The utility model relates to a fan technical field, in particular to axial flow fan blade and air conditioner.
Background
Chinese patent document No. CN104005992A discloses an axial flow fan blade in 2014, 8.27.8.a, which includes a hub and a blade, and is characterized in that: the hub is the tube-shape, is provided with the first terminal surface of the bulge that more than two extend to keeping away from hub body direction and is provided with the second terminal surface with the block portion that the bulge corresponds on the body, and the bulge is along using hub's center as the centre of a circle, and the length that uses less than or equal to hub's radius is radial circumference evenly distributed. In addition, when an air conditioner is used for refrigeration, an outdoor unit blows hot air, and the service life of the axial flow fan blade can be greatly shortened in the use environment with higher temperature.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an axial compressor fan blade and air conditioner that simple structure, noise are little, the amount of wind is big, long service life, practicality are strong to overcome the weak point among the prior art.
An axial flow fan blade according to this purpose design, including wheel hub and the annular a plurality of blades of setting on the wheel hub periphery, its characterized in that: and reinforcing parts are arranged on the blade tip of the blade, the outer edge of the blade and the front edge of the blade.
On the horizontal projection plane, the reinforced part of the blade tip is provided with a first clamping edge which is a tangent line passing through the center of the hub and tangent to the outer edge of the blade tip, a second clamping edge which is a tangent line passing through the center of the hub and tangent to the inner edge of the blade tip, and the included angle between the first clamping edge and the second clamping edge is theta 1, wherein theta 1 is more than or equal to 3 degrees and less than or equal to 20 degrees.
The strengthening part of the outer edge of the blade extends from the blade tip to the blade tail, and on the horizontal projection plane, the width of the strengthening part of the outer edge of the blade is S1, and S1 is not less than 5mm and not more than 20 mm.
The strengthening part of the front edge of the blade extends from the blade tip to the hub, and on the horizontal projection plane, the width of the strengthening part of the front edge of the blade is S2, and S2 is not less than 5mm and not more than 20 mm.
The reinforcing portion is provided on a suction surface of the blade.
The thickness of the reinforcing part is 0.2 mm-1 mm.
The reinforced part is integrally formed with the blade tip, the outer edge of the blade and the front edge of the blade.
The hub is characterized in that a shaft sleeve is arranged in the center of the hub, and a plurality of reinforcing ribs are connected between the shaft sleeve and the inner wall of the hub.
An air conditioner designed according to the purpose is characterized in that: the axial flow fan blade is included.
The utility model discloses a position design rib of apex, blade outer fringe and blade leading edge on blade suction surface can strengthen the overall structure of blade, and what the blade leaf was at pivoted in-process apex position vibrates and the axial deformation range all can reduce to reduce the noise of complete machine and improve the amount of wind of complete machine, in addition, during air conditioner refrigeration, the off-premises station blows hot-blast, has the axial compressor blade of rib, and the life-span is longer in the higher service environment of this kind of temperature.
Drawings
Fig. 1 is a top view of an axial-flow fan blade according to an embodiment of the present invention.
Fig. 2 is a schematic view of an overall structure of an axial-flow fan blade according to an embodiment of the present invention.
Fig. 3 is a schematic view of an overall structure of an axial-flow fan blade in another direction according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-3, the axial flow fan blade includes a hub 1 and a plurality of blades 2 with the same structure annularly arranged on the periphery of the hub 1, wherein the tips of the blades 2, the outer edges of the blades 2 and the front edges of the blades 2 are provided with reinforced parts 3, and the reinforced parts 3 are arranged on the suction surface of the blades 2. The axial flow fan blade is used for strengthening the structural strength of the blade tip of the blade 2, the outer edge of the blade 2 and the front edge of the blade 2, reducing the noise of an air conditioner and increasing the air volume of the air conditioner by designing the strengthening parts at the positions of the blade tip, the outer edge of the blade and the front edge of the blade on the suction surface of the blade.
On the horizontal projection plane, the position of the reinforcement part 3 of the blade tip, the tangent line which passes through the center of the hub 1 and is tangent to the outer edge of the blade tip is a first clamping edge 4, the tangent line which passes through the center of the hub 1 and is tangent to the inner edge of the blade tip is a second clamping edge 5, the included angle between the first clamping edge 4 and the second clamping edge 5 is theta 1, and theta 1 is more than or equal to 3 degrees and less than or equal to 20 degrees, and the structure can greatly reinforce the strength of the blade tip of the blade 2.
The reinforcing part 3 of the outer edge of the blade 2 extends from the blade tip to the blade tail, and on a horizontal projection plane, the width of the reinforcing part 3 of the outer edge of the blade 2 is S1, S1 is more than or equal to 5mm and less than or equal to 20mm, and the structure can greatly reinforce the strength of the outer edge of the blade 2.
The reinforcing part 3 of the front edge of the blade 2 extends from the blade tip to the hub 1, the width of the reinforcing part 3 of the front edge of the blade 2 is S2, S2 is more than or equal to 5mm and less than or equal to 20mm on a horizontal projection plane, and the structure can greatly reinforce the strength of the front edge of the blade 2.
The thickness of the reinforcing part 3 is 0.2 mm-1 mm, namely, the reinforcing part 3 with the thickness of 0.2 mm-1 mm is added on the basis of the original suction surface of the blade.
The reinforcement portion 3 is integrally formed with the blade tip, the outer edge of the blade 2, and the front edge of the blade 2.
The center of wheel hub 1 is equipped with axle sleeve 1.1, is connected with a plurality of strengthening ribs 1.2 between axle sleeve 1.1 and the wheel hub 1 inner wall, and strengthening rib 1.2 can strengthen wheel hub 1's intensity, prevents that axial fan blade during operation wheel hub 1 from taking place to warp or tearing.
An air conditioner comprises axial flow fan blades.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an axial flow fan blade, includes that wheel hub (1) and annular set up a plurality of blades (2) on wheel hub (1) periphery, its characterized in that: and the blade tip of the blade (2), the outer edge of the blade (2) and the front edge of the blade (2) are provided with reinforced parts (3).
2. The axial-flow fan blade according to claim 1, wherein: on the horizontal projection plane, the position of the reinforcement part (3) of the blade tip is that a tangent line which passes through the center of the hub (1) and is tangent to the outer edge of the blade tip is a first clamping edge (4), a tangent line which passes through the center of the hub (1) and is tangent to the inner edge of the blade tip is a second clamping edge (5), and the included angle between the first clamping edge (4) and the second clamping edge (5) is theta 1, wherein theta 1 is more than or equal to 3 degrees and less than or equal to 20 degrees.
3. The axial-flow fan blade according to claim 2, wherein: the reinforcing part (3) of the outer edge of the blade (2) extends from the blade tip to the blade tail, and on a horizontal projection plane, the width of the reinforcing part (3) of the outer edge of the blade (2) is S1, and S1 is not less than 5mm and not more than 20 mm.
4. The axial-flow fan blade according to claim 3, wherein: the front edge reinforcing part (3) of the blade (2) extends to the hub (1) from the blade tip, and on the horizontal projection plane, the width of the front edge reinforcing part (3) of the blade (2) is S2, and S2 is not less than 5mm and not more than 20 mm.
5. The axial-flow fan blade according to claim 4, wherein: the reinforcing part (3) is arranged on the suction surface of the blade (2).
6. The axial-flow fan blade according to claim 5, wherein: the thickness of the reinforcing part (3) is 0.2 mm-1 mm.
7. The axial-flow fan blade according to claim 6, wherein: the strengthening part (3) is integrally formed with the blade tip, the outer edge of the blade (2) and the front edge of the blade (2).
8. The axial-flow fan blade according to claim 7, wherein: the hub is characterized in that a shaft sleeve (1.1) is arranged at the center of the hub (1), and a plurality of reinforcing ribs (1.2) are connected between the shaft sleeve (1.1) and the inner wall of the hub (1).
9. An air conditioner, characterized in that: comprising an axial-flow blade according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893042.8U CN214887920U (en) | 2021-04-27 | 2021-04-27 | Axial flow fan blade and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893042.8U CN214887920U (en) | 2021-04-27 | 2021-04-27 | Axial flow fan blade and air conditioner |
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| Publication Number | Publication Date |
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| CN214887920U true CN214887920U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120893042.8U Active CN214887920U (en) | 2021-04-27 | 2021-04-27 | Axial flow fan blade and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983887A (en) * | 2021-04-27 | 2021-06-18 | 广东顺威精密塑料股份有限公司 | Axial flow fan blade and air conditioner |
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2021
- 2021-04-27 CN CN202120893042.8U patent/CN214887920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983887A (en) * | 2021-04-27 | 2021-06-18 | 广东顺威精密塑料股份有限公司 | Axial flow fan blade and air conditioner |
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