CN207195285U - The forward centrifugal wind wheel of low noise - Google Patents
The forward centrifugal wind wheel of low noise Download PDFInfo
- Publication number
- CN207195285U CN207195285U CN201720501589.2U CN201720501589U CN207195285U CN 207195285 U CN207195285 U CN 207195285U CN 201720501589 U CN201720501589 U CN 201720501589U CN 207195285 U CN207195285 U CN 207195285U
- Authority
- CN
- China
- Prior art keywords
- wind wheel
- angle
- blade
- low noise
- hub disk
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It the utility model is related to a kind of forward centrifugal wind wheel of low noise, including wind wheel shroud, wind wheel hub disk, blade, 35 pieces of blades are provided between described wind wheel shroud and wind wheel hub disk, the blade, which surrounds core and circumferentially waited, to be distributed, inner ring is provided with the inside of wind wheel hub disk, the inner ring is fixed with blade in tangential manner；Described blade is provided with inlet angle, the angle of outlet and central angle, and the angle of the inlet angle of the blade is 87 ° -93 °, and the angle of the angle of outlet is 24 ° -30 °, and the angle of central angle is 68 ° -74 °；The beneficial effects of the utility model are：The centrifugal wind wheel designed by this physical dimension, low wind noise can be dropped, realizes low noise.
Description
Technical field
The utility model belongs to centrifugal wind wheel technical field, more particularly to a kind of forward centrifugal wind wheel of low noise.
Background technology
Centrifugal wind wheel is mainly used in the ventilation equipment such as air purifier, VMC, and existing centrifugal wind wheel is being run
During, it is not reasonable due to structure design, cause wind to be made an uproar very big, so as to produce very big noise.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of the prior art, and provides a kind of forward centrifugal of low noise
Wind wheel.
The purpose of this utility model is completed by following technical solution, including wind wheel shroud, wind wheel hub disk, leaf
Piece, 35 pieces of blades are provided between described wind wheel shroud and wind wheel hub disk, the blade, which surrounds core and circumferentially waited, to be distributed, wind
Inner ring is provided with the inside of wheel hub disk, the inner ring is fixed with blade in tangential manner；Described blade be provided with inlet angle, the angle of outlet and
Central angle, the angle of the inlet angle of the blade is 87 ° -93 °, and the angle of the angle of outlet is 24 ° -30 °, and the angle of central angle is
68°—74°。
Preferably, the impeller outer ring outside dimension that is surrounded by blade is 157-163mm, impeller inner ring internal diameter
Size is 125-131mm, and impeller height is 67-73mm.
Preferably, the thickness of described wind wheel shroud is 1.5-3.5mm, the thickness of wind wheel hub disk is 2-4mm.
Preferably, described vane thickness is 1-2mm.
The beneficial effects of the utility model are：The centrifugal wind wheel designed by this physical dimension, low wind noise can be dropped, realized low
Noise.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is side structure schematic diagram of the present utility model.
Fig. 3 is blade dimensions structural representation of the present utility model.
Fig. 4 is main structure diagram of the present utility model.
Label in accompanying drawing is respectively：1st, wind wheel shroud；2nd, wind wheel hub disk；3rd, blade；4th, inner ring；5th, impeller outer ring；6、
Impeller inner ring；31st, inlet angle；32nd, the angle of outlet；33rd, central angle.
Embodiment
Detailed introduction is done to the utility model below in conjunction with accompanying drawing：As shown in accompanying drawing 1 to 4, the utility model includes
Wind wheel shroud 1, wind wheel hub disk 2, blade 3, it is characterised in that：35 pieces are provided between described wind wheel shroud 1 and wind wheel hub disk 2
Blade 3, the blade 3 circumferentially waits around core to be distributed, and the inner side of wind wheel hub disk 2 is provided with inner ring 4, and the inner ring 4 is in phase with blade 3
Butt formula is fixed；Described blade 3 is provided with inlet angle 31, the angle of outlet 32 and central angle 33, the angle of the inlet angle 31 of the blade 3
Spend for 87 ° -93 °, optimized angle size is 90 °；The angle of the angle of outlet 32 is 24 ° -30 °, and optimized angle size is 27 °；In
The angle at heart angle 33 is 68 ° -74 °, and optimized angle size is 71 °.
The described outside dimension of impeller outer ring 5 surrounded by blade 3 is 157-163mm, preferred size 160mm；Impeller
The internal diameter size of inner ring 6 is 125-131mm, preferred size 128mm；Impeller height is 67-73mm, preferred size 70mm.
The thickness of described wind wheel shroud 1 is 1.5-3.5mm, preferred size 2.5mm；The thickness of wind wheel hub disk 2 is
2-4mm, preferred size 3mm.
The described thickness of blade 3 is 1-2mm, preferred size 1.5mm.
The utility model is not limited to above-mentioned embodiment, makees any change no matter being formed in its shape or material, all
It is to use structure design provided by the utility model, is all a kind of deformation of the present utility model, is considered as new in this practicality
Within type protection domain.
Claims (4)
1. a kind of forward centrifugal wind wheel of low noise, including wind wheel shroud（1）, wind wheel hub disk（2）, blade（3）, its feature exists
In：Described wind wheel shroud（1）With wind wheel hub disk（2）Between be provided with 35 pieces of blades（3）, the blade（3）Around core in circle
Week etc. is distributed, wind wheel hub disk（2）Inner side is provided with inner ring（4）, the inner ring（4）With blade（3）Fixed in tangential manner；Described
Blade（3）It is provided with inlet angle（31）, the angle of outlet（32）And central angle（33）, the blade（3）Inlet angle（31）Angle be
87 ° -93 °, the angle of outlet（32）Angle be 24 ° -30 °, central angle（33）Angle be 68 ° -74 °.
2. the forward centrifugal wind wheel of low noise according to claim 1, it is characterised in that：Described blade（3）Surround outer
Footpath size is 157-163mm impeller outer ring（5）, impeller inner ring（6）Internal diameter size is 125-131mm, and impeller height is
67—73mm。
3. the forward centrifugal wind wheel of low noise according to claim 1, it is characterised in that：Described wind wheel shroud（1）'s
Thickness is 1.5-3.5mm, wind wheel hub disk（2）Thickness be 2-4mm.
4. the forward centrifugal wind wheel of low noise according to claim 1, it is characterised in that：Described blade（3）Thickness is
1—2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501589.2U CN207195285U (en) | 2017-05-08 | 2017-05-08 | The forward centrifugal wind wheel of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501589.2U CN207195285U (en) | 2017-05-08 | 2017-05-08 | The forward centrifugal wind wheel of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195285U true CN207195285U (en) | 2018-04-06 |
Family
ID=61793162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720501589.2U Active CN207195285U (en) | 2017-05-08 | 2017-05-08 | The forward centrifugal wind wheel of low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206753A (en) * | 2018-06-29 | 2019-09-06 | 华帝股份有限公司 | Centrifugal wind wheel for range hood |
-
2017
- 2017-05-08 CN CN201720501589.2U patent/CN207195285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206753A (en) * | 2018-06-29 | 2019-09-06 | 华帝股份有限公司 | Centrifugal wind wheel for range hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203453120U (en) | Fan and fan impeller thereof | |
| JP2011220336A5 (en) | ||
| CN207195285U (en) | The forward centrifugal wind wheel of low noise | |
| CN203321881U (en) | Efficient and energy-saving fan series model | |
| CN205677862U (en) | A kind of centrifugal fan for three-phase brushless alternating-current generator | |
| CN206290484U (en) | Centrifugal impeller | |
| CN204812202U (en) | Take filtration gauze mask of fan assembly spare | |
| CN105863924A (en) | Mixed-flow type water turbine for power equipment | |
| JP2014530977A5 (en) | ||
| CN203257701U (en) | Centrifugal inclined type axial flow fan | |
| CN204267368U (en) | A kind of Wind Volume axial fan | |
| CN206801942U (en) | A kind of forward centrifugal wind wheel of low noise | |
| CN201865968U (en) | Impeller used for electric drier | |
| CN204267332U (en) | A kind of efficient quiet axial fan | |
| CN204253443U (en) | For afflux spiral case and the centrifugal blower of centrifugal blower | |
| CN102090863A (en) | De-noising structure of dust collector motor | |
| CN104405654A (en) | Mute axial flow fan | |
| CN201747640U (en) | Fan | |
| CN209180114U (en) | A kind of blower of range hood | |
| CN204200702U (en) | Collector for air diversion, volute assembly, centrifugal fan and air conditioner | |
| CN203730615U (en) | Electromagnetic brake | |
| CN204267367U (en) | A kind of efficient axis flow fan | |
| CN202069538U (en) | Noise reduction structure for motor of dust collector | |
| CN203691157U (en) | Cooling device of low voltage large power motor | |
| CN201916248U (en) | Fan impeller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |