CN104279182B - A kind of blade wheel structure - Google Patents
A kind of blade wheel structure Download PDFInfo
- Publication number
- CN104279182B CN104279182B CN201410261736.4A CN201410261736A CN104279182B CN 104279182 B CN104279182 B CN 104279182B CN 201410261736 A CN201410261736 A CN 201410261736A CN 104279182 B CN104279182 B CN 104279182B
- Authority
- CN
- China
- Prior art keywords
- blade
- lower cover
- impeller
- wheel structure
- impeller chimney
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blade wheel structure, including lower cover and the multiple arcs blade designed on lower cover, blade connection axle center is distributed along lower cover in evolvent type.The blade wheel structure is applied to high vacuum, high rotating speed brushless direct-current motor of dust collector.The blade wheel structure is half-opened impeller structure, and volume is relatively small, is convenient for carrying；Materials'use amount is few, and production cost is relatively low.And blade is distributed on lower cover in evolvent type, structure type operation compared with steady, service behaviour compared with it is high, energy consumption is small, use cost is relatively low, and noise is small, and working environment quality is higher.Impeller chimney is provided with above blade, blade coordinates with impeller chimney for gap, impeller chimney plays a part of upper cover plate simultaneously in the structure shown here, it forms double shrouded wheel structure between lower cover and blade, while motor volume is reduced, the operating efficiency of impeller is in turn ensure that, meets motor small size, high-revolving use demand.Blade is integrally machined shaping with lower cover, and structural strength is higher.
Description
Technical field
The invention belongs to the manufacturing technology field of motor of dust collector, and in particular to a kind of blade wheel structure.
Background technology
Dust catcher is rotated at a high speed using motor driven blade, air negative pressure is produced in the housing of sealing, so as to by dirt
Cleaning appliance in bits suction dust bag, dust catcher generally can be divided into vertical, horizontal and portable etc. by structure composition.
Motor of dust collector is the core component of dust catcher, is typically made up of two parts, motor part and fan section, due to
Motor of dust collector requires very high to rotating speed, and generally at 20000-30000 rpms, therefore, conventional motor of dust collector is general
Using series excitation motor of dust collector and small DC dust collector motor.Series excitation motor of dust collector and small DC dust collector motor have belonged to
Brush motor, its rotating speed is between 20000-40000, although its rotating speed can meet the requirement of motor of dust collector, brush motor body
Product is big, and motor fan is big, and load is big, the high noise of motor.
The impeller of traditional motor of dust collector is aluminum impeller, and it is enclosed impeller structure, generally include upper cover plate, under
Cover plate and the blade being arranged between upper and lower cover plate, material use aluminium alloy, and the operating efficiency of double shrouded wheel is higher, but its
Manufacture difficulty is larger, and the upper and lower cover plate of aluminum impeller is formed with blade for assembling, and complicated, upper and lower cover plates easily releases
Damage, and general volume is larger, quality weight, production cost is higher, and noise is larger during operating.Half-opened impeller and unshrouded impeller phase
Its volume is relatively small for double shrouded wheel, but its operating efficiency is relatively low.
With the development of electric utility, motor of dust collector is also gradually to high-performance, efficient and miniaturization, brushless direct-current
Motor with it possess the advantages that small volume, noise be low, efficiency high, good reliability, strong adaptability in industry obtain it is more and more wider
General application.
In order to reduce the overall volume of dust catcher, typically it is driven using brushless electric machine, in order to meet brushless electric machine
Use demand, blade wheel structure need to typically be done to small, traditional aluminum double shrouded wheel and be no longer desirable for brushless electric machine, and traditional leaf
Wheel construction performance is relatively low, and energy consumption is larger, and use cost is higher.
Therefore, in view of problem above, it is necessary to a kind of new blade wheel structure is proposed, to meet making for brushless electric machine impeller
With demand, ensureing that motor is high-revolving simultaneously, reducing the volume of motor, be convenient for carrying, improve the performance of motor, reduce energy
Consumption, reduce operating noise, improve environmental quality.
The content of the invention
In view of this, the invention provides a kind of blade wheel structure, by using lower cover and the integrally formed impeller of blade
Structure, to meet the use demand of brushless electric machine impeller, ensureing that motor is high-revolving simultaneously, reducing the volume of motor, it is convenient
Carry, improve the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
A kind of blade wheel structure proposed according to the purpose of the present invention, applied on brushless motor of dust collector, the impeller knot
Multiple arcs blade is designed on the lower cover of structure, blade connects axle center and is distributed along lower cover in evolvent type.
Preferably, the blade is shaped on the lower cover, and the blade extends to from the axle center of lower cover
The edge of lower cover.
Preferably, the top rounding of the blade.
Preferably, impeller chimney is provided with above the blade, air inlet, the leaf is offered at the center of the impeller chimney
Piece coordinates with the impeller chimney gap.
Preferably, cambered surface is recessed at the impeller chimney interior lateral center relative with the blade, the blade turns
The cambered surface that outer rim is formed after dynamic and the cambered surface parallel matched on the inside of the impeller chimney, when the impeller chimney is assembled on the blade
Fang Hou, the impeller chimney coordinate with the blade into gap.
Preferably, the blade is divided into two sections, respectively linkage section and extension, the linkage section connection by height change
The axle center of lower cover, the linkage section it is highly consistent, the extension tilts gradually downward from segmentation to terminal, highly by
Gradually successively decrease.
Preferably, the extension from segmentation to terminal curved inclination gradually downward.
Preferably, rounding at the blade section.
Compared with prior art, it is the advantages of blade wheel structure disclosed by the invention：
1st, the blade wheel structure is applied to high vacuum, high rotating speed brushless direct-current motor of dust collector.
The blade wheel structure only includes lower cover and multiple arcs blade thereon, forms half-opened impeller structure, the impeller
Structural volume is relatively small, is convenient for carrying；Materials'use amount is few, and production cost is relatively low.
Impeller chimney is provided with above blade, blade coordinates with impeller chimney for gap, and impeller chimney plays simultaneously in the structure shown here
The effect of upper cover plate, it forms double shrouded wheel structure between lower cover and blade, while motor volume is reduced, ensures again
The operating efficiency of impeller, meets motor small size, high-revolving use demand.
2nd, the axle center of blade connection lower cover, and be distributed on lower cover in evolvent type, the impeller fortune of the structure type
Row is relatively steady, service behaviour compared with it is high, energy consumption is small, use cost is relatively low, and running noises are small, and working environment quality is higher.
Blade connects the axle center of lower cover so that whole blade wheel structure is more compact, and connective stability is preferable, and structural strength is higher.
3rd, blade and lower cover are integrally machined shaping, and structural strength is higher, and performance is preferable, avoid cover plate and blade
Between the service life for releasing damage, improving impeller.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of blade wheel structure disclosed by the invention.
Fig. 2 is that blade coordinates sketch with impeller chimney gap.
Fig. 3 is the explosive view of blade wheel structure.
The title of digital or alphabetical representative corresponding component in figure：
1st, lower cover 2, blade 3, impeller chimney 4, air inlet 5, cambered surface 6, linkage section 7, extension 8,
Axle center
Embodiment
The impeller of traditional motor of dust collector is aluminum impeller, and it is enclosed impeller structure, generally include upper cover plate, under
Cover plate and the blade being arranged between upper and lower cover plate, the operating efficiency of double shrouded wheel is of a relatively high, but its manufacture difficulty is larger,
And the upper and lower cover plate of aluminum impeller and blade are formed for assembling, complicated, general volume is larger, quality weight, production cost compared with
Height, noise is larger during operating.Its volume is relatively small for half-opened impeller double shrouded wheel relative with unshrouded impeller, but its work
It is less efficient, high-revolving use demand can not be met.
The present invention is directed to deficiency of the prior art, there is provided a kind of blade wheel structure, by using lower cover and blade one
Body formed blade wheel structure, to meet the use demand of brushless electric machine impeller, ensureing that motor is high-revolving simultaneously, reducing motor
Volume, be convenient for carrying, improve the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
A kind of blade wheel structure proposed according to the purpose of the present invention, applied on brushless motor of dust collector, the impeller knot
Multiple arcs blade is designed on the lower cover of structure, blade connects axle center and is distributed along lower cover in evolvent type.
Preferably, the blade is shaped on the lower cover, and the blade extends to from the axle center of lower cover
The edge of lower cover.
Preferably, the top rounding of the blade.
Preferably, impeller chimney is provided with above the blade, air inlet, the leaf is offered at the center of the impeller chimney
Piece coordinates with the impeller chimney gap.
Preferably, cambered surface is recessed at the impeller chimney interior lateral center relative with the blade, the blade turns
The cambered surface that outer rim is formed after dynamic and the cambered surface parallel matched on the inside of the impeller chimney, when the impeller chimney is assembled on the blade
Fang Hou, the impeller chimney coordinate with the blade into gap.
Preferably, the blade is divided into two sections, respectively linkage section and extension, the linkage section connection by height change
The axle center of lower cover, the linkage section it is highly consistent, the extension tilts gradually downward from segmentation to terminal, highly by
Gradually successively decrease.
Preferably, the extension from segmentation to terminal curved inclination gradually downward.
Preferably, rounding at the blade section.
Technical scheme will be clearly and completely described by embodiment below.Obviously, retouched
The embodiment stated is only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Fig. 1 is referred to, as illustrated, a kind of blade wheel structure, applied on brushless motor of dust collector, the lower cover of blade wheel structure
Multiple arcs blade 2 is designed on plate 1, blade 2 connects the axle center 8 of lower cover 1, and is distributed along lower cover 1 in evolvent type.Pass through
Blade 2 is scattered in evolvent type structure, improves the operating efficiency of impeller, while the structure operates steadily, service behaviour is higher,
Noise is relatively low, and working environment quality is higher.
Blade 2 connects the axle center 8 of lower cover 1 so that whole blade wheel structure is more compact, and connective stability is preferable, structure
Intensity is higher.
On the lower cover 1 of same size size, by the way that blade 2 is designed into arcuate structure, blade 2 is effectively increased
Length, improve the running efficiency of impeller.
Blade 2 is shaped on lower cover 1, and blade 2 extends to the edge of lower cover 1 from the axle center 8 of lower cover 1.
Blade 2 can be integrally machined shaping with lower cover 1 by injection molding manner, and the intensity of blade wheel structure is higher, and stability is preferable, and use
Better performances, improving, impeller is efficient simultaneously, ensure that the service life of impeller, reduces use cost.Meanwhile avoid
The service life for releasing damage, improving impeller between lower cover 1 and blade 2.
The top rounding of blade 2.By by the carry out rounding processing of the two sides intersection of blade 2 so that blade 2 is whole
The streamlined structure of body, air intake is smooth, and operating efficiency is higher.The accumulation of dust can be reduced simultaneously, ensure the cleaning of impeller internal,
Improve the service life of impeller.
Fig. 2 and Fig. 3 are referred to, as illustrated, the top of blade 2 is provided with impeller chimney 3, the center position of impeller chimney 3 is opened
Provided with air inlet 4, blade 2 coordinates with the gap of impeller chimney 3.When blade wheel structure works, outer gas stream is through entering impeller at air inlet 4
It is interior, enter impeller rear end afterwards and cooling treatment is carried out to motor wiring board and winding.
Impeller chimney 3 is recessed cambered surface 5, the arc that outer rim is formed after blade 2 rotates at the interior lateral center relative with blade 2
The parallel matched of cambered surface 5 on the inside of face and impeller chimney, after impeller chimney 3 is assembled to the top of blade 2, impeller chimney 3 and blade 2 are into gap
Coordinate.
Impeller chimney 3 plays a part of upper cover plate simultaneously in the structure shown here, and it forms enclosed between lower cover 1 and blade 2
Blade wheel structure, while motor volume is reduced, the operating efficiency of impeller is in turn ensure that, meet motor small size, high-revolving
Demand.
Blade 2 can be divided into two sections by height change, and respectively linkage section 6 and extension 7, linkage section 6 connects lower cover 1
Axle center 8, linkage section 6 it is highly consistent, extension 7 tilts gradually downward from segmentation to terminal, height gradually successively decrease.The structure
Form reduces the load of blade carrying while impeller intake is ensured, improves operating efficiency.Facilitate impeller chimney 3 and blade 2
Tight fit, ensure the compactedness of blade wheel structure, reduce the overall volume of blade wheel structure.
Extension 7, to terminal curved inclination gradually downward, the curved structure in top of blade 2, can also be from segmentation
Linear structure etc., is not limited specifically.
Rounding is handled at the segmentation of blade 2 so that the continuity of two-stage structure connection.
The invention discloses a kind of blade wheel structure, the blade wheel structure includes lower cover and the multiple arcs designed on lower cover
Blade, blade connect axle center and are distributed along lower cover in evolvent type.The blade wheel structure is applied to high vacuum, high rotating speed brushless direct-current
Motor of dust collector.The blade wheel structure only includes lower cover and multiple arcs blade thereon, forms half-opened impeller structure, the leaf
Wheel construction volume is relatively small, is convenient for carrying；Materials'use amount is few, and production cost is relatively low.And blade is in gradually to open on lower cover
Wire type is distributed, structure type operation compared with steady, service behaviour compared with it is high, energy consumption is small, use cost is relatively low, and noise is small, work
Environmental quality is higher.And the axle center of blade connection lower cover so that whole blade wheel structure is more compact, and connective stability is preferable,
Structural strength is higher.
Impeller chimney is provided with above blade, blade coordinates with impeller chimney for gap, and impeller chimney plays simultaneously in the structure shown here
The effect of upper cover plate, it forms double shrouded wheel structure between lower cover and blade, while motor volume is reduced, ensures again
The operating efficiency of impeller, meets motor small size, high-revolving use demand.
Blade is integrally machined shaping with lower cover, and structural strength is higher, and performance is preferable, avoids between cover plate and blade
The service life for releasing damage, improving impeller.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (6)
1. a kind of blade wheel structure, applied on brushless motor of dust collector, it is characterised in that set on the lower cover of the blade wheel structure
Count multiple arcs blade, blade connects axle center along lower cover in evolvent type distribution, at the medium position of the lower cover bottom surface in
It is recessed；
Be provided with impeller chimney above the blade, impeller chimney plays a part of upper cover plate in the structure shown here, its with lower cover and
Double shrouded wheel structure is formed between blade；
The blade is divided into two sections, respectively linkage section and extension, the axle of the linkage section connection lower cover by height change
The heart, the linkage section it is highly consistent, the extension tilts gradually downward from segmentation to terminal, height gradually successively decrease；Leaf
Rounding at piece segmentation, two-stage structure connection are coherent.
2. blade wheel structure as claimed in claim 1, it is characterised in that the blade is shaped on the lower cover, institute
State the edge that blade extends to lower cover from the axle center of lower cover.
3. blade wheel structure as claimed in claim 1, it is characterised in that the top rounding of the blade.
4. blade wheel structure as claimed in claim 1, it is characterised in that be provided with impeller chimney, the impeller above the blade
Air inlet is offered at the center of cover, the blade coordinates with the impeller chimney gap.
5. blade wheel structure as claimed in claim 4, it is characterised in that the impeller chimney it is relative with the blade it is interior it is lateral in
Cambered surface, the cambered surface that outer rim is formed after the blade rotates and the cambered surface parallel matched on the inside of the impeller chimney are recessed at the heart,
After the impeller chimney is assembled to above the blade, the impeller chimney coordinates with the blade into gap.
6. blade wheel structure as claimed in claim 1, it is characterised in that the extension is in gradually downward to terminal from segmentation
Curve tilts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261736.4A CN104279182B (en) | 2014-06-12 | 2014-06-12 | A kind of blade wheel structure |
| PCT/CN2015/077775 WO2015188667A1 (en) | 2014-06-12 | 2015-04-29 | Impeller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261736.4A CN104279182B (en) | 2014-06-12 | 2014-06-12 | A kind of blade wheel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279182A CN104279182A (en) | 2015-01-14 |
| CN104279182B true CN104279182B (en) | 2018-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261736.4A Active CN104279182B (en) | 2014-06-12 | 2014-06-12 | A kind of blade wheel structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104279182B (en) |
| WO (1) | WO2015188667A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279182B (en) * | 2014-06-12 | 2018-01-30 | 莱克电气股份有限公司 | A kind of blade wheel structure |
| CN104279185B (en) * | 2014-06-12 | 2018-01-30 | 莱克电气股份有限公司 | A kind of impeller |
| CN108547777B (en) * | 2018-05-23 | 2023-08-15 | 熙诚环保科技（苏州）有限公司 | Diagonal flow fan with anti-corrosion function |
| CN113317741B (en) * | 2020-02-28 | 2023-08-18 | 宁波方太厨具有限公司 | Cleaning machine |
| CN117823455B (en) * | 2023-12-29 | 2024-06-14 | 无锡艾尔泰科压缩机有限公司 | Compression closed impeller for centrifugal compressor |
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| JPS58195098A (en) * | 1982-05-11 | 1983-11-14 | Matsushita Electric Ind Co Ltd | Vaccum cleaner |
| CN2054100U (en) * | 1989-04-06 | 1990-03-07 | 陆伟刚 | Involute impeller for rotary fluid machines |
| CN2114917U (en) * | 1991-12-11 | 1992-09-02 | 王华西 | Out cooling fan for motor |
| DE19733687B4 (en) * | 1996-08-12 | 2005-04-21 | Samsung Kwangju Electronics Co., Ltd. | Motor fan for a cleaning device |
| JP3684781B2 (en) * | 1997-10-02 | 2005-08-17 | 松下電器産業株式会社 | Electric blower |
| JP2006009669A (en) * | 2004-06-24 | 2006-01-12 | Nidec Shibaura Corp | Centrifugal blower |
| CN100371609C (en) * | 2004-07-15 | 2008-02-27 | 台达电子工业股份有限公司 | Heat sink |
| TWM279747U (en) * | 2004-11-24 | 2005-11-01 | Jing-Jung Chen | Improved structure of a turbine blade |
| TW200722627A (en) * | 2005-12-15 | 2007-06-16 | Ind Tech Res Inst | Centrifugal type pressure-increasing impeller structure |
| JP4867596B2 (en) * | 2006-11-14 | 2012-02-01 | パナソニック株式会社 | Electric blower and electric vacuum cleaner using the same |
| CN201818544U (en) * | 2010-07-13 | 2011-05-04 | 珠海格力电器股份有限公司 | Centrifugal wind wheel |
| TWI447303B (en) * | 2010-11-08 | 2014-08-01 | Sunonwealth Electr Mach Ind Co | Fan |
| CN103321922B (en) * | 2012-03-22 | 2016-11-23 | 德昌电机(深圳)有限公司 | Blower fan and there is vacuum cleaner and the hand dryer of this blower fan |
| CN103206407A (en) * | 2012-10-24 | 2013-07-17 | 哈尔滨东安发动机（集团）有限公司 | Impeller of gas compressor |
| CN103343753A (en) * | 2013-07-23 | 2013-10-09 | 无锡杰尔压缩机有限公司 | Semi-open impeller structure and method for reducing maximum equivalent stress of semi-open impeller |
| CN203892247U (en) * | 2014-06-12 | 2014-10-22 | 莱克电气股份有限公司 | Impeller structure |
| CN104279182B (en) * | 2014-06-12 | 2018-01-30 | 莱克电气股份有限公司 | A kind of blade wheel structure |
-
2014
- 2014-06-12 CN CN201410261736.4A patent/CN104279182B/en active Active
-
2015
- 2015-04-29 WO PCT/CN2015/077775 patent/WO2015188667A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015188667A1 (en) | 2015-12-17 |
| CN104279182A (en) | 2015-01-14 |
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