CN104279182A - Impeller structure - Google Patents
Impeller structure Download PDFInfo
- Publication number
- CN104279182A CN104279182A CN201410261736.4A CN201410261736A CN104279182A CN 104279182 A CN104279182 A CN 104279182A CN 201410261736 A CN201410261736 A CN 201410261736A CN 104279182 A CN104279182 A CN 104279182A
- Authority
- CN
- China
- Prior art keywords
- blade
- cover plate
- lower cover
- impeller
- wheel structure
- 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 an impeller structure, which comprises a lower cover plate and a plurality of arc-shaped blades, wherein the arc-shaped blades are arranged on the lower cover plate, and the blades are connected with an axis and are distributed along the lower cover plate in an involute way. The impeller structure has the advantages that the impeller structure is suitable for high-vacuum and high rotation speed brushless direct current dust collector motors; the impeller structure is of a semi-opening type impeller structure, so the size is relatively smaller, and the carrying is convenient; the use amount of material is little, and the production cost is lower; the blades are distributed on the lower cover plate in the involute way, so the running is stable, the working property is better, the energy consumption is little, the use cost is lower, the noise is little, and the quality of working environment is higher; an impeller cover is arranged above the impeller, the blades are in clearance fit with the blade cover, the impeller cover is also used as an upper cover plate, and a closed type impeller structure is formed among the upper impeller cover, the lower cover plate and the blades, so while the size of the motor is reduced, the working efficiency of the impeller is guaranteed, and the use requirements of small size and high rotation speed of the motor are met; the blades and the lower cover plate are integrally formed, so the structure strength is higher.
Description
Technical field
The invention belongs to the manufacturing technology field of motor of dust collector, be specifically related to a kind of blade wheel structure.
Background technique
Vacuum cleaner utilizes driven by motor blade High Rotation Speed, in the housing of sealing, produce air negative pressure, thus dirt bits are sucked the cleaning appliance in collection bag, and vacuum cleaner generally can be divided into vertical, horizontal and portable etc. by structure composition.
Motor of dust collector is the core component of vacuum cleaner, generally be made up of two-part, motor part and fan section, because motor of dust collector is very high to rotation speed requirements, usually at 20000-30000 rpm, therefore, conventional motor of dust collector generally adopts series excitation motor of dust collector and little DC dust collector motor.Series excitation motor of dust collector and little DC dust collector motor all belong to brush motor, and its rotating speed is between 20000-40000, although its rotating speed can meet the requirement of motor of dust collector, brush motor volume is large, and motor fan is large, and load is large, and the noise of motor is high.
The impeller of traditional motor of dust collector is aluminum impeller, and it is enclosed impeller structure, the blade generally including upper cover plate, lower cover plate and be arranged between upper and lower cover plate, material all adopts aluminum alloy, the working efficiency of double shrouded wheel is higher, but its manufacture difficulty is comparatively large, and the upper and lower cover plate of aluminum impeller and blade are formed for assembling, complex structure, upper and lower cover plates easily gets loose damage, and general volume is comparatively large, quality weight, cost of production is higher, and during running, noise is larger.Half-opened impeller is relatively little relative to its volume of double shrouded wheel with unshrouded impeller, but its working efficiency is lower.
Along with the development of electric utility, motor of dust collector is also gradually to high-performance, efficient and miniaturization, and brshless DC motor possesses with it that volume is little, noise is low, efficiency is high, and the advantage such as good reliability, strong adaptability in industry obtains applying more and more widely.
In order to reduce the overall volume of vacuum cleaner, general employing brushless electric machine drives, in order to meet the user demand of brushless electric machine, generally blade wheel structure need be done little, traditional aluminum double shrouded wheel is no longer applicable to brushless electric machine, and traditional blade wheel structure performance is lower, energy consumption is comparatively large, and user cost is higher.
Therefore, in view of above problem, be necessary to propose a kind of novel blade wheel structure, to meet the user demand of brushless electric machine impeller, ensureing that motor is high-revolving while, reduce the volume of motor, be convenient for carrying, improve the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
Summary of the invention
In view of this, the invention provides a kind of blade wheel structure, by adopting lower cover plate and the integrated blade wheel structure of blade, to meet the user demand of brushless electric machine impeller, ensureing that motor is high-revolving while, reduce the volume of motor, be convenient for carrying, improve the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
A kind of blade wheel structure that object according to the present invention proposes, is applied on brushless motor of dust collector, the lower cover plate of described blade wheel structure designs multiple arc shaped blade, and it is evolvent type distribution that blade connects axle center along lower cover plate.
Preferably, described blade is shaped on described lower cover plate, and described blade extends to the edge of lower cover plate from the axle center place of lower cover plate.
Preferably, the top rounding of described blade.
Preferably, be provided with impeller chimney above described blade, the center of described impeller chimney offers intake grill, described blade and described impeller chimney Spielpassung.
Preferably, the interior side direction center indent that described impeller chimney is relative with described blade forms cambered surface, after described blade rotation outer rim formed cambered surface and described impeller chimney inside cambered surface parallel matched, when described impeller chimney is assembled to after above described blade, described impeller chimney becomes Spielpassung with described blade.
Preferably, described blade is divided into two sections by variable height, is respectively linkage section and extension, and described linkage section connects the axle center of lower cover plate, and the height of described linkage section is consistent, and described extension is downward-sloping gradually to terminal from segmentation place, successively decreases highly gradually.
Preferably, described extension from segmentation place to terminal downward curved inclination gradually.
Preferably, described blade section place rounding.
Compared with prior art, the advantage of blade wheel structure disclosed by the invention is:
1, this blade wheel structure is applicable to high vacuum, high rotating speed brushless direct-current motor of dust collector.
This blade wheel structure only comprises lower cover plate and the multiple arc shaped blades on it, and form half-opened impeller structure, this blade wheel structure volume is relatively little, is convenient for carrying; Materials'use amount is few, and cost of production is lower.
Impeller chimney is provided with above blade, blade and impeller chimney are Spielpassung, impeller chimney plays the effect of upper cover plate in the structure shown here simultaneously, double shrouded wheel structure is formed between itself and lower cover plate and blade, while reduction motor volume, in turn ensure that the working efficiency of impeller, meet motor small volume, high-revolving user demand.
2, blade connects the axle center of lower cover plate, and the distribution in evolvent type on lower cover plate, the impeller of this structural type runs relatively steadily, service behaviour compared with high, energy consumption is little, user cost is lower, and running noises is little, and working environment quality is higher.Blade connects the axle center of lower cover plate, makes whole blade wheel structure comparatively compact, and connective stability is better, and structural strength is higher.
3, blade and the machine shaping of lower cover plate one, structural strength is higher, and usability is better, avoids cover plate with interlobate getting loose is damaged, the working life of raising impeller.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of blade wheel structure disclosed by the invention.
Fig. 2 is blade and impeller chimney Spielpassung sketch.
Fig. 3 is the explosive view of blade wheel structure.
The title of the numeral in figure or the corresponding part representated by letter:
1, lower cover plate 2, blade 3, impeller chimney 4, intake grill 5, cambered surface 6, linkage section 7, extension 8, axle center
Embodiment
The impeller of traditional motor of dust collector is aluminum impeller, it is enclosed impeller structure, the blade generally including upper cover plate, lower cover plate and be arranged between upper and lower cover plate, the working efficiency of double shrouded wheel is relatively high, but its manufacture difficulty is larger, and the upper and lower cover plate of aluminum impeller and blade are formed for assembling, complex structure, general volume is comparatively large, quality weight, cost of production is higher, and during running, noise is larger.Half-opened impeller is relatively little relative to its volume of double shrouded wheel with unshrouded impeller, but its working efficiency is lower, cannot meet high-revolving user demand.
The present invention is directed to deficiency of the prior art, provide a kind of blade wheel structure, by adopting lower cover plate and the integrated blade wheel structure of blade, to meet the user demand of brushless electric machine impeller, ensureing that motor is high-revolving while, reduce the volume of motor, be convenient for carrying, improve the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
A kind of blade wheel structure that object according to the present invention proposes, is applied on brushless motor of dust collector, the lower cover plate of described blade wheel structure designs multiple arc shaped blade, and it is evolvent type distribution that blade connects axle center along lower cover plate.
Preferably, described blade is shaped on described lower cover plate, and described blade extends to the edge of lower cover plate from the axle center place of lower cover plate.
Preferably, the top rounding of described blade.
Preferably, be provided with impeller chimney above described blade, the center of described impeller chimney offers intake grill, described blade and described impeller chimney Spielpassung.
Preferably, the interior side direction center indent that described impeller chimney is relative with described blade forms cambered surface, after described blade rotation outer rim formed cambered surface and described impeller chimney inside cambered surface parallel matched, when described impeller chimney is assembled to after above described blade, described impeller chimney becomes Spielpassung with described blade.
Preferably, described blade is divided into two sections by variable height, is respectively linkage section and extension, and described linkage section connects the axle center of lower cover plate, and the height of described linkage section is consistent, and described extension is downward-sloping gradually to terminal from segmentation place, successively decreases highly gradually.
Preferably, described extension from segmentation place to terminal downward curved inclination gradually.
Preferably, described blade section place rounding.
To be clearly and completely described technological scheme of the present invention by embodiment below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, as shown in the figure, a kind of blade wheel structure, is applied on brushless motor of dust collector, and the lower cover plate 1 of blade wheel structure designs multiple arc shaped blade 2, and blade 2 connects the axle center 8 of lower cover plate 1, and along lower cover plate 1 distribution in evolvent type.By blade 2 is scattered in evolvent type structure, improve the working efficiency of impeller, this structure operates steadily simultaneously, and service behaviour is higher, and noise is lower, and working environment quality is higher.
Blade 2 connects the axle center 8 of lower cover plate 1, makes whole blade wheel structure comparatively compact, and connective stability is better, and structural strength is higher.
On the lower cover plate 1 of same size size, by blade 2 is designed to arcuate structure, effectively add the length of blade 2, improve the running efficiency of impeller.
Blade 2 is shaped on lower cover plate 1, and blade 2 extends to the edge of lower cover plate 1 from axle center 8 place of lower cover plate 1.Blade 2 and lower cover plate 1 are by the machine shaping of injection molding manner one, and the intensity of blade wheel structure is higher, and stability is better, and usability is better, raising impeller is high efficiency while, ensure that the working life of impeller, reduce user cost.Meanwhile, avoid getting loose between lower cover plate 1 and blade 2 and damage, improve the working life of impeller.
The top rounding of blade 2.Carry out rounding process by the intersection, two sides by blade 2, make blade 2 entirety in streamlined structure, air intake is smooth, and working efficiency is higher.The accumulation of dust can be reduced simultaneously, ensure the clean of impeller internal, improve the working life of impeller.
Refer to Fig. 2 and Fig. 3, as shown in the figure, be provided with impeller chimney 3 above blade 2, the center position of impeller chimney 3 offers intake grill 4, blade 2 and impeller chimney 3 Spielpassung.During blade wheel structure work, outer gas stream enters in impeller through intake grill 4 place, after enter impeller rear end cooling processing carried out to motor circuit board and winding.
The interior side direction center indent that impeller chimney 3 is relative with blade 2 forms cambered surface 5, blade 2 rotate rear outer rim formed cambered surface and impeller chimney inside cambered surface 5 parallel matched, when impeller chimney 3 is assembled to after above blade 2, impeller chimney 3 and 2 one-tenth, blade Spielpassung.
Impeller chimney 3 plays the effect of upper cover plate in the structure shown here simultaneously, forms double shrouded wheel structure between itself and lower cover plate 1 and blade 2, while reduction motor volume, in turn ensure that the working efficiency of impeller, meets motor small volume, high-revolving demand.
Blade 2 can be divided into two sections by variable height, and be respectively linkage section 6 and extension 7, linkage section 6 connects the axle center 8 of lower cover plate 1, and the height of linkage section 6 is consistent, and extension 7 is downward-sloping gradually to terminal from segmentation place, successively decreases highly gradually.This structural type, while guarantee impeller air output, reduces the load of blade carrying, increases work efficiency.Facilitate closely cooperating of impeller chimney 3 and blade 2, ensure the compactedness of blade wheel structure, reduce the overall volume of blade wheel structure.
Extension 7 is from segmentation place to terminal downward curved inclination gradually, and the curved structure in top of blade 2, also can be linear structure etc., specifically do not limit.
The process of blade 2 segmentation place rounding, makes the continuity that two-stage structure connects.
The invention discloses a kind of blade wheel structure, this blade wheel structure comprises multiple arc shaped blades that lower cover plate and lower cover plate design, and it is evolvent type distribution that blade connects axle center along lower cover plate.This blade wheel structure is applicable to high vacuum, high rotating speed brushless direct-current motor of dust collector.This blade wheel structure only comprises lower cover plate and the multiple arc shaped blades on it, and form half-opened impeller structure, this blade wheel structure volume is relatively little, is convenient for carrying; Materials'use amount is few, and cost of production is lower.And blade distribution in evolvent type on lower cover plate, this structural type run compared with steadily, service behaviour compared with high, energy consumption is little, user cost is lower, and noise is little, and working environment quality is higher.And blade connects the axle center of lower cover plate, makes whole blade wheel structure comparatively compact, connective stability is better, and structural strength is higher.
Impeller chimney is provided with above blade, blade and impeller chimney are Spielpassung, impeller chimney plays the effect of upper cover plate in the structure shown here simultaneously, double shrouded wheel structure is formed between itself and lower cover plate and blade, while reduction motor volume, in turn ensure that the working efficiency of impeller, meet motor small volume, high-revolving user demand.
Blade and the machine shaping of lower cover plate one, structural strength is higher, and usability is better, avoids cover plate with interlobate getting loose is damaged, the working life of raising impeller.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a blade wheel structure, is applied on brushless motor of dust collector, it is characterized in that, the lower cover plate of described blade wheel structure designs multiple arc shaped blade, and it is evolvent type distribution that blade connects axle center along lower cover plate.
2. blade wheel structure as claimed in claim 1, it is characterized in that, described blade is shaped on described lower cover plate, and described blade extends to the edge of lower cover plate from the axle center place of lower cover plate.
3. blade wheel structure as claimed in claim 1, is characterized in that, the top rounding of described blade.
4. blade wheel structure as claimed in claim 1, it is characterized in that, be provided with impeller chimney above described blade, the center of described impeller chimney offers intake grill, described blade and described impeller chimney Spielpassung.
5. blade wheel structure as claimed in claim 4, it is characterized in that, the interior side direction center indent that described impeller chimney is relative with described blade forms cambered surface, after described blade rotation outer rim formed cambered surface and described impeller chimney inside cambered surface parallel matched, when described impeller chimney is assembled to after above described blade, described impeller chimney becomes Spielpassung with described blade.
6. blade wheel structure as claimed in claim 1, it is characterized in that, described blade is divided into two sections by variable height, be respectively linkage section and extension, described linkage section connects the axle center of lower cover plate, the height of described linkage section is consistent, and described extension is downward-sloping gradually to terminal from segmentation place, successively decreases highly gradually.
7. blade wheel structure as claimed in claim 6, is characterized in that, described extension from segmentation place to terminal downward curved inclination gradually.
8. blade wheel structure as claimed in claim 6, is characterized in that, described blade section place rounding.
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 true CN104279182A (en) | 2015-01-14 |
| CN104279182B CN104279182B (en) | 2018-01-30 |
Family
ID=52254410
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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188748A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller |
| WO2015188667A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller structure |
| CN117823455A (en) * | 2023-12-29 | 2024-04-05 | 无锡艾尔泰科压缩机有限公司 | Compression closed impeller for centrifugal compressor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188748A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller |
| WO2015188667A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller structure |
| CN117823455A (en) * | 2023-12-29 | 2024-04-05 | 无锡艾尔泰科压缩机有限公司 | Compression closed impeller for centrifugal compressor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279182B (en) | 2018-01-30 |
| WO2015188667A1 (en) | 2015-12-17 |
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