CN209621713U - Low-noise centrifugal fan impeller - Google Patents
Low-noise centrifugal fan impeller Download PDFInfo
- Publication number
- CN209621713U CN209621713U CN201920356824.0U CN201920356824U CN209621713U CN 209621713 U CN209621713 U CN 209621713U CN 201920356824 U CN201920356824 U CN 201920356824U CN 209621713 U CN209621713 U CN 209621713U
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- China
- Prior art keywords
- wheel seat
- protrusion
- noise
- wind
- centrifugal fan
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Abstract
The utility model discloses a kind of low-noise centrifugal fan impellers, it is related to blower components production field, including the first wheel seat and the second wheel seat, draft mechanism is fixed between first wheel seat and the second wheel seat, the draft mechanism includes wind deflector, the both ends of the wind deflector are fixedly connected with connecting shaft, the two sides of wind deflector are fixedly connected with multiple wind-guiding flanks, first wheel seat includes fixed plate, protrusion has been fixedly and coaxially connected in fixed plate, the top of protrusion is fixedly connected with connector, the fixed plate, through equipped with axis hole on protrusion and connector, the utility model is by being arranged protrusion on the first wheel seat, it can accelerate the flowing of air, and noise can be reduced, by the way that wind-guiding flank is arranged on wind deflector, it can reinforce the air inducing ability of draft mechanism, and make the windage of draft mechanism smaller, to Achieve the purpose that reduce noise.
Description
Technical field
The utility model relates to blower components production field, specifically a kind of low-noise centrifugal fan impeller.
Background technique
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery, impeller is the important component of centrifugal blower, and the working principle of centrifugal blower is effect of the gas by centrifugal force,
It sucks, then flows through between blade, to flow out outward via its impeller center position.
In the Chinese utility model patent file of Publication No. CN207485734U, a kind of big flow centrifugal blower is disclosed
Impeller, wheel cap ensure that aeroperformance loss reduction using streamlined circular arc import；Blade is using strong rear bent arc veneer knot
Structure, with the high efficient fan performance under big flow (higher specific speed), but the draught fan impeller is in the process of running due to wind
Power is bigger to generate very big noise, so that noise pollution is brought to working site, to the health of building structure and people
Detrimental effect can be brought.
Utility model content
The utility model provides a kind of low-noise centrifugal fan impeller, solves and asks proposed in above-mentioned background technique
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of low-noise centrifugal fan impeller, including the first wheel seat and the second wheel seat, between the first wheel seat and the second wheel seat
It is fixed with draft mechanism, the draft mechanism includes wind deflector, and the both ends of the wind deflector are fixedly connected with connecting shaft, wind-guiding
The two sides of plate are fixedly connected with multiple wind-guiding flanks, and first wheel seat includes fixed plate, have been fixedly and coaxially connected in fixed plate
Protrusion, the top of protrusion are fixedly connected with connector, run through on the fixed plate, protrusion and connector and be equipped with axis
Hole.
As a kind of optimal technical scheme of the utility model, intensive noise elimination cavity is equipped in the wind-guiding flank.
As a kind of optimal technical scheme of the utility model, cavity is offered in the protrusion, and cavity is not equipped with
Silencing cotton.
As a kind of optimal technical scheme of the utility model, the side arc of the protrusion is arranged.
As a kind of optimal technical scheme of the utility model, offers and connect on first wheel seat and the second wheel seat
The corresponding fixation hole of spindle, connecting shaft are welded and fixed with the first wheel seat, the second wheel seat.
The utility model has following usefulness: the utility model, can by the way that protrusion is arranged on the first wheel seat
Accelerate the flowing of air, and noise can be reduced, by the way that wind-guiding flank is arranged on wind deflector, draft mechanism can be reinforced
Air inducing ability, and make the windage of draft mechanism smaller, to achieve the purpose that reduce noise.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low-noise centrifugal fan impeller.
Fig. 2 is the structural schematic diagram of draft mechanism in low-noise centrifugal fan impeller.
Fig. 3 is the structural schematic diagram of wind-guiding flank in low-noise centrifugal fan impeller.
Fig. 4 is the structural schematic diagram of the first wheel seat in low-noise centrifugal fan impeller.
In figure: 1, the first wheel seat；2, the second wheel seat；3, draft mechanism；4, fixation hole；5, wind deflector；6, wind-guiding flank；7,
Connecting shaft；8, noise elimination cavity；9, protrusion；10, connector；11, axis hole；12, silencing cotton；13, fixed plate.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
Embodiment 1
Please refer to Fig. 1-4, a kind of low-noise centrifugal fan impeller, including the first wheel seat 1 and the second wheel seat 2, the first wheel seat 1
Draft mechanism 3 is fixed between the second wheel seat 2, the draft mechanism 3 includes wind deflector 5, and the both ends of the wind deflector 5 are equal
It is fixedly connected with connecting shaft 7, the two sides of wind deflector 5 are fixedly connected with multiple wind-guiding flanks 6, and first wheel seat 1 includes fixed plate
13, protrusion 9 has been fixedly and coaxially connected in fixed plate 13, and the top of protrusion 9 is fixedly connected with connector 10, the fixed plate
13, run through on protrusion 9 and connector 10 equipped with axis hole 11, the wind-guiding flank 6 is interior to be equipped with intensive noise elimination cavity 8, institute
It states and offers cavity in protrusion 9, and cavity is not equipped with silencing cotton 12, the side arc setting of the protrusion 9.
Embodiment 2
Fig. 1-4 is please referred to, other contents of the present embodiment are same as Example 1, the difference is that: first wheel seat
1 and second offers fixation hole 4 corresponding with connecting shaft 7 on wheel seat 2, and connecting shaft 7 and the first wheel seat 1, the second wheel seat 2 are
It is welded and fixed.
The utility model in implementation process, the external world be placed in axis hole 11 for the motor crankshaft of driving and with the first wheel seat
1 is fixedly connected, when draught fan impeller rotation when, wind deflector 5 and wind-guiding flank 6 movement cutting air, under the influence of centrifugal force from
And priming air flows, noise elimination cavity 8 and silencing cotton 12 can effectively eliminate noise at the same time.
The utility model can accelerate the flowing of air, and can reduce by the way that protrusion 9 is arranged on the first wheel seat
Noise can reinforce the air inducing ability of draft mechanism, and make the windage of draft mechanism more by the way that wind-guiding flank 6 is arranged on 5
It is small, to achieve the purpose that reduce noise.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of low-noise centrifugal fan impeller, including the first wheel seat (1) and the second wheel seat (2), the first wheel seat (1) and the second wheel
It is fixed with draft mechanism (3) between seat (2), the draft mechanism (3) includes wind deflector (5), which is characterized in that the wind-guiding
The both ends of plate (5) are fixedly connected with connecting shaft (7), and the two sides of wind deflector (5) are fixedly connected with multiple wind-guiding flanks (6), described
First wheel seat (1) includes fixed plate (13), has been fixedly and coaxially connected in fixed plate (13) protrusion (9), the top of protrusion (9)
It is fixedly connected connector (10), through equipped with axis hole on the fixed plate (13), protrusion (9) and connector (10)
(11).
2. low-noise centrifugal fan impeller according to claim 1, which is characterized in that be equipped in the wind-guiding flank (6)
Intensive noise elimination cavity (8).
3. low-noise centrifugal fan impeller according to claim 1, which is characterized in that offered in the protrusion (9)
Cavity, and cavity is not equipped with silencing cotton (12).
4. low-noise centrifugal fan impeller according to claim 1, which is characterized in that the side arc of the protrusion (9)
Shape setting.
5. low-noise centrifugal fan impeller according to claim 1, which is characterized in that first wheel seat (1) and second
Fixation hole (4) corresponding with connecting shaft (7), connecting shaft (7) and the first wheel seat (1), the second wheel seat are offered on wheel seat (2)
(2) it is welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356824.0U CN209621713U (en) | 2019-03-20 | 2019-03-20 | Low-noise centrifugal fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356824.0U CN209621713U (en) | 2019-03-20 | 2019-03-20 | Low-noise centrifugal fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621713U true CN209621713U (en) | 2019-11-12 |
Family
ID=68457260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356824.0U Expired - Fee Related CN209621713U (en) | 2019-03-20 | 2019-03-20 | Low-noise centrifugal fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621713U (en) |
-
2019
- 2019-03-20 CN CN201920356824.0U patent/CN209621713U/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: 20191112 Termination date: 20210320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |