CN210769518U - Axial flow fan impeller - Google Patents
Axial flow fan impeller Download PDFInfo
- Publication number
- CN210769518U CN210769518U CN201921970957.3U CN201921970957U CN210769518U CN 210769518 U CN210769518 U CN 210769518U CN 201921970957 U CN201921970957 U CN 201921970957U CN 210769518 U CN210769518 U CN 210769518U
- Authority
- CN
- China
- Prior art keywords
- blade
- fan impeller
- axial fan
- central
- reel
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the fan technique and specifically relates to an axial fan impeller, the cover is equipped with two center plates that are parallel to each other, two on the radial lateral surface of reel the central line of center plate with the axial lead of reel overlaps mutually, axial fan impeller still including the welding at wheel hub, the welding of even interval between two center plate outside edges a plurality of blades on the wheel hub lateral surface, every all be provided with the bellied tip face in oriented center on the both sides face of blade. The utility model discloses a blade is fixed on wheel hub, and the tip face is seted up to the both sides of blade, at blade pivoted in-process, reduces with the area of contact of air current, and the resistance that receives in the rotation process is less, and there is certain angle in blade self and air current, and the effectual resistance that reduces and rotate the in-process and receive, the tip face reduces the resistance that the blade received for the blade satisfies the requirement of equipment to flow and pressure.
Description
Technical Field
The utility model relates to a fan technical field especially relates to an axial fan impeller.
Background
The axial flow fan is an air flow in the same direction as the shaft of the fan blade, such as an electric fan and an air conditioner outer fan, the axial flow fan is a fan operated in an axial flow mode, the axial flow fan is used as a general machine used in a large scale and applied to various industries, a common axial flow fan can be used for ventilation in places such as general factories, warehouses, offices, houses and the like, and can also be used for an air cooler (an air cooler), an evaporator, a condenser, spray cooling and the like, and a mining axial flow fan is also provided. The guide vane changes the deflection airflow into axial flow, and simultaneously introduces the gas into the diffuser pipe, further converts the kinetic energy of the gas into pressure energy, and finally introduces the pressure energy into a working pipeline.
In the prior art, on the fixed wheel hub of blade among the axial fan, at the pivoted in-process of blade, the resistance that the blade received is great, and the resistance that receives in the use is great, can't satisfy the requirement of equipment to flow and pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that the equipment can't be satisfied to the requirement of flow and pressure to the resistance is great among the prior art, and an axial fan impeller that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is an axial flow fan impeller, including reel (1), the cover is equipped with two central disks (4) that are parallel to each other, two on the radial lateral surface of reel (1) the central line of central disk (4) with the axial lead of reel (1) overlaps mutually, axial flow fan impeller still including welding wheel hub (7), the even spaced welding between two central disks (4) outside edge a plurality of blades (8), every on wheel hub (7) lateral surface all be provided with to the bellied tip face in center (9) on the both sides face of blade (8).
Furthermore, fairings are fixedly connected to the opposite sides of the two center plates.
Further, a plurality of reinforcing protrusions (5) are arranged on one side, away from the central disc (4), of each central disc, and the reinforcing protrusions (5) and the central discs (4) are integrated.
Further, the tips of the vanes are angled at 25 ° to the direction of the airflow.
Further, the root of the blade is at an angle of 30 ° to the direction of the airflow.
Further, the bottom ends of the two sides of the blade are both connected with edge sealing strips, and the bottom ends of the edge sealing strips are fixed on the hub.
The utility model provides an axial fan impeller, beneficial effect lies in:
fix on wheel hub through the blade, the tip face is seted up to the both sides of blade, and at blade pivoted in-process, with the area of contact of air current reduce, the resistance that receives in the rotation process is less, and there is certain angle in blade self and air current, the effectual resistance that receives that reduces the rotation in-process, the tip face reduces the resistance that the blade received for the blade satisfies the requirement of equipment to flow and pressure.
Drawings
Fig. 1 is a schematic structural view of an axial flow fan impeller provided by the present invention;
fig. 2 is a schematic sectional structural view of an axial flow fan impeller provided by the present invention;
fig. 3 is a schematic top view of the blades in the axial flow fan impeller according to the present invention.
In the figure: the shaft disc comprises a shaft disc 1, a shaft hole 2, a mounting hole 3, a central disc 4, a reinforcing protrusion 5, a fairing 6, a hub 7, blades 8, a tip end surface 9 and a sealing strip 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-3, an axial flow fan impeller comprises a shaft disc 1, wherein two center discs 4 parallel to each other are sleeved on the radial outer side surface of the shaft disc 1, the center lines of the two center discs 4 are overlapped with the axial lead of the shaft disc 1, the axial flow fan impeller further comprises a hub 7 welded between the outer edges of the two center discs 4 and a plurality of blades 8 welded on the outer side surface of the hub 7 at uniform intervals, and tip end surfaces 9 protruding towards the center are arranged on the two side surfaces of each blade 8. Shaft hole 2 has been seted up on this reel 1, shaft hole 2 effect is the outside power shaft of connection, it rotates to drive reel 1, mounting hole 3 has been seted up on reel 1, mounting hole 3's effect is fixed reel 1 through the screw, 3 symmetric distribution of mounting hole are in the both sides in shaft hole 2, be connected with two center plate 4 on the reel 1, center plate 4 is used for connecting wheel hub 7, 4 parallel arrangement in two center plates, the equal fixedly connected with radome fairing 6 in one side that two center plate 4 carried on the back mutually, radome fairing 6 is used for protecting center plate 4, avoid the dust to get into in center plate 4. Shaft hole 2 is used for installing axial fan impeller to the drive shaft on, and mounting hole 3 is used for locking axial fan impeller and external device, such as mounting flange.
Hub 7 is used for fixing blade 8, blade 8 anticlockwise rotates under hub 7's drive, blade 8's top and air current direction become 25 jiaos, blade 8's root and air current direction become 30 jiaos, the angle at blade 8 top and the angle of root make the blade can satisfy the requirement of equipment to flow and pressure at the actual motion in-process, and the effectual resistance that receives that reduces blade 8 rotation in-process, tip face 9 has all been seted up to every blade 8's both sides, tip face 9's effect is the resistance that more step reduction blade 8 received in rotation.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that one side of two central disks 4 back to each other is all fixedly provided with a plurality of reinforcing protrusions 5, the function of reinforcing protrusions 5 is to reinforce the hardness of central disk 4, and the central disk 4 is not easy to crack along with the rotation of the hub 1, so as to prolong the service life of central disk 4, and reinforcing protrusions 5 and central disk 4 are an integrated mechanism.
Example 3
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the bottom ends of the two sides of the blade 8 are both connected with the edge banding strips 10, and the edge banding strips 10 are used for sealing the gap between the blade 8 and the hub 7, so that the surface of the joint between the blade 8 and the hub 7 is smooth, the noise can be reduced, and the bottom end of the edge banding strip 10 is fixed on the hub 7.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an axial fan impeller, includes reel (1), its characterized in that, the cover is equipped with two central disks (4) that are parallel to each other on the radial lateral surface of reel (1), two the central line of central disk (4) with the axial lead of reel (1) overlaps mutually, axial fan impeller still including welding wheel hub (7), the welding of even interval between two central disks (4) outside edges a plurality of blades (8) on wheel hub (7) lateral surface, every all be provided with to the bellied tip face in center (9) on the both sides face of blade (8).
2. The axial fan impeller according to claim 1, wherein opposite sides of the two central discs (4) are fixedly connected with fairings (6).
3. The axial fan impeller according to claim 1, wherein a plurality of reinforcing protrusions (5) are provided on both sides of the two central discs (4) facing away from each other, the reinforcing protrusions (5) and the central discs (4) being an integral structure.
4. The axial fan impeller according to claim 1, wherein the tips of the blades (8) are angled at 25 ° to the direction of the air flow.
5. The axial fan impeller according to claim 1, characterized in that the root of the blade (8) is at an angle of 30 ° to the direction of the air flow.
6. The axial fan impeller according to claim 1, wherein an edge strip (10) is connected to the bottom ends of both sides of the blade (8), the bottom end of the edge strip (10) being fixed to the hub (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970957.3U CN210769518U (en) | 2019-11-15 | 2019-11-15 | Axial flow fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970957.3U CN210769518U (en) | 2019-11-15 | 2019-11-15 | Axial flow fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769518U true CN210769518U (en) | 2020-06-16 |
Family
ID=71045866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921970957.3U Expired - Fee Related CN210769518U (en) | 2019-11-15 | 2019-11-15 | Axial flow fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769518U (en) |
-
2019
- 2019-11-15 CN CN201921970957.3U patent/CN210769518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |