CN203892250U - Impeller - Google Patents
Impeller Download PDFInfo
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- CN203892250U CN203892250U CN201420312518.4U CN201420312518U CN203892250U CN 203892250 U CN203892250 U CN 203892250U CN 201420312518 U CN201420312518 U CN 201420312518U CN 203892250 U CN203892250 U CN 203892250U
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- impeller
- cover plate
- lower cover
- blade
- central shaft
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Abstract
The utility model discloses an impeller. The impeller is applied to a brushless dust collector motor. The impeller comprises a lower cover plate, wherein the center of the lower cover plate gradually protrudes upwards, cambered surfaces are formed on the upper surface and the lower surface of the lower cover plate respectively, and blades are fixedly arranged on the upper surface of the lower cover plate. The impeller only comprises the lower cover plate and a plurality of arc-shaped blades on the lower cover plate so that the unshrouded impeller can be formed. The impeller is relatively smaller in size so that the impeller is convenient to carry, and the impeller is small in material use amount and low in production cost. Due to the fact that the center of the lower cover plate upwards protrudes to form a cambered surface, the lengths of the blades are obviously increased under the situation that the cover area of the lower cover plate is not changed, the structure of the impeller is compact, the size of the impeller is effectively reduced, the blades will not deform or be broken when the motor rotates at a high speed, and the service life of the impeller is prolonged. The blades, the lower cover plate and a center shaft are integrally machined to be formed, the structural strength is high, usage performance is good, separation between the cover plate and the blades is avoided, damage to the cover plate and the blades is avoided, and the service life of the impeller is prolonged.
Description
Technical field
The utility model belongs to the manufacturing technology field of motor of dust collector, is specifically related to a kind of impeller.
Background technique
Vacuum cleaner is to utilize driven by motor blade High Rotation Speed, in the housing of sealing, produces air negative pressure, thereby dirt bits are sucked to 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 formed by two-part, motor part and blower fan part, because motor of dust collector requires very high to rotating speed, conventionally 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 series excitation motor of dust collector is aluminum impeller, and it is enclosed impeller structure, generally includes upper cover plate, lower cover plate and is arranged at the blade 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 larger, and the upper and lower cover plate of aluminum impeller and blade form for assembling, complex structure, the upper and lower cover plates damage that easily gets loose, and general volume is larger, quality weight, cost of production is higher, and when running, noise is larger.Half-opened impeller double shrouded wheel its volume relative to unshrouded impeller is relatively little, but its working efficiency is lower.
And general upper and lower cover plates is slab construction, blade is uniformly distributed between upper and lower cover plates, in order to increase the working efficiency of impeller, must increase the length of blade, so just need to be by the enlarged leather area of upper and lower cover plates, and cause the overall volume of impeller to increase.
Along with the development of electric utility, motor of dust collector is also gradually to high-performance, efficient and miniaturization development, and brshless DC motor possesses with it that volume is little, noise is low, efficiency is high, and the advantages such as good reliability, strong adaptability in industry obtain applying more and more widely.
In order to reduce the overall volume of vacuum cleaner, the general brushless electric machine that adopts 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, and energy consumption is larger, 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, ensure the high-revolving while of motor, reducing the volume of motor, be convenient for carrying, improving the performance of motor, reduce energy consumption, reduce operating noise, improve environmental quality.
Model utility content
In view of this, the utility model provides a kind of impeller, comprises integrated lower cover plate and blade, the lower cover plate center formation cambered surface that raises up, in the situation that lower cover plate area coverage is constant, the length of blade obviously increases, make the structure of impeller comparatively compact, to meet the user demand of brushless electric machine impeller, ensureing the high-revolving while of motor, 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 impeller proposing according to the purpose of this utility model, is applied on brushless motor of dust collector, and the lower cover plate of described impeller is designed to the structure that center is cambered surface, and in cambered surface, designs multiple arc shaped blades.
Preferably, the lower cover plate center of described impeller is upwards protruding gradually, and the upper and lower surface of described lower cover plate all forms cambered surface, and described blade is fixedly installed on the upper surface of described lower cover plate.
Preferably, described impeller also comprises central shaft, on described central shaft, is provided with axis hole, and described lower cover plate, centered by described central shaft, and is fixedly connected on the outer wall of described central shaft.
Preferably, described lower cover plate is connected in the neutral position place of described central shaft outer wall.
Preferably, described blade is array distribution centered by described central shaft, and extends to the edge of lower cover plate from central shaft outer wall.
Preferably, described blade, lower cover plate and described central shaft are one-body molded.
Preferably, the top rounding of described blade.
Preferably, described blade top is provided with impeller chimney, and 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, the cambered surface parallel matched of the cambered surface that after described blade rotation, outer rim forms and described impeller chimney inner side, when described impeller chimney is assembled to behind described blade top, described impeller chimney becomes Spielpassung with described blade.
Compared with prior art, the advantage of the disclosed impeller of the utility model is:
1, this impeller is applicable to high vacuum, high rotating speed brushless direct-current motor of dust collector.
2, this impeller only comprises lower cover plate and the multiple arc shaped blades on it, forms half-opened impeller, and this impeller volume is relatively little, is convenient for carrying; Materials'use amount is few, and cost of production is lower.The center of the lower cover plate formation cambered surface that raises up, in the situation that lower cover plate area coverage is constant, the length of blade obviously increases, make the structure of impeller comparatively compact, effectively reduce the volume of impeller, and blade can not be out of shape or rupture in the time that motor runs up, improve the working life of impeller.
3, blade top is provided with impeller chimney, blade and impeller chimney are Spielpassung, impeller chimney plays the effect of upper cover plate in this structure simultaneously, between itself and lower cover plate and blade, form double shrouded wheel structure, in reducing motor volume, ensure again the working efficiency of impeller, met motor small volume, high-revolving user demand.
4, blade and lower cover plate and the machine shaping of central shaft one, structural strength is higher, and usability is better, has avoided cover plate and the interlobate damage that gets loose, and improves the working life of impeller.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the disclosed a kind of impeller of the utility model.
Fig. 2 is the sectional view of the disclosed a kind of impeller of the utility model.
Fig. 3 is blade and impeller chimney Spielpassung sketch.
Fig. 4 is the explosive view of impeller.
The title of the numeral in figure or the corresponding part of alphabetical representative:
1, lower cover plate 2, blade 3, impeller chimney 4, intake grill 5, projection 6, cambered surface 7, central shaft 8, axis hole
Embodiment
The impeller of traditional motor of dust collector is aluminum impeller, it is enclosed impeller structure, generally includes upper cover plate, lower cover plate and is arranged at the blade between upper and lower cover plate, and the working efficiency of double shrouded wheel is higher, but its manufacture difficulty is larger, and the upper and lower cover plate of aluminum impeller and blade form for assembling, complex structure, the upper and lower cover plates damage that easily gets loose, and general volume is larger, quality weight, cost of production is higher, and when running, noise is larger.And general upper and lower cover plates is slab construction, blade is uniformly distributed between upper and lower cover plates, in order to increase the working efficiency of impeller, must increase the length of blade, so just need to be by the enlarged leather area of upper and lower cover plates, and cause the overall volume of impeller to increase.
The utility model is for deficiency of the prior art, a kind of impeller is provided, comprise integrated lower cover plate and blade, the lower cover plate center formation cambered surface that raises up, in the situation that lower cover plate area coverage is constant, the length of blade obviously increases, make the structure of impeller comparatively compact, to meet the user demand of brushless electric machine impeller, ensureing the high-revolving while of motor, 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 impeller proposing according to the purpose of this utility model, is applied on brushless motor of dust collector, and the lower cover plate of impeller is designed to the structure that center is cambered surface, and in cambered surface, designs multiple arc shaped blades.
Preferably, the lower cover plate center of described impeller is upwards protruding gradually, and the upper and lower surface of described lower cover plate all forms cambered surface, and described blade is fixedly installed on the upper surface of described lower cover plate.
Preferably, described impeller also comprises central shaft, on described central shaft, is provided with axis hole, and described lower cover plate, centered by described central shaft, and is fixedly connected on the outer wall of described central shaft.
Preferably, described lower cover plate is connected in the neutral position place of described central shaft outer wall.
Preferably, described blade is array distribution centered by described central shaft, and extends to the edge of lower cover plate from central shaft outer wall.
Preferably, described blade, lower cover plate and described central shaft are one-body molded.
Preferably, the top rounding of described blade.
Preferably, described blade top is provided with impeller chimney, and 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, the cambered surface parallel matched of the cambered surface that after described blade rotation, outer rim forms and described impeller chimney inner side, when described impeller chimney is assembled to behind described blade top, described impeller chimney becomes Spielpassung with described blade.
To be clearly and completely described the technical solution of the utility model by embodiment below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Please also refer to Fig. 1, Fig. 2, as shown in the figure, a kind of impeller, is applied on brushless motor of dust collector, and impeller comprises lower cover plate 1, is provided with multiple arc shaped blades 2 on lower cover plate 1.Lower cover plate 1 center of impeller upwards forms projection 5 gradually, and the upper and lower surface of lower cover plate 1 all forms cambered surface 6, and blade is fixedly installed on the upper surface of lower cover plate 1.By being raised up, the center of lower cover plate 1 forms cambered surface 6, in lower cover plate 1 area coverage constant in the situation that, the length of blade 2 obviously increases, make the structure of impeller more compact, effectively reduce the volume of impeller, and blade 2 can not be out of shape or rupture in the time that motor runs up, improve the working life of impeller.
Impeller also comprises central shaft 7, is provided with axis hole 8 on central shaft 7, and lower cover plate 1, centered by central shaft 7, and is fixedly connected on the outer wall of central shaft 7.Blade 2 is array distribution centered by central shaft 7, and extends to the edge of lower cover plate 1 from central shaft 7 outer walls.
By central shaft 7 is set, and be fixedly installed lower cover plate 1 and blade 2 taking central shaft 7 as benchmark, and improving structural strength and the stability of impeller, the rotating shaft of blower fan is inserted and is connected with impeller by axis hole 8, improve the structural strength of joint, realize the stability of impeller operation.
Lower cover plate 1 is connected in the neutral position place of central shaft 7 outer walls, and blade 2, lower cover plate 1 and central shaft 7 are one-body molded.Traditional impeller needs first by upper and lower cover plates and blade impact briquetting, after assemble, complex process, inefficiency, the utility model by adopt injection molding, one-body molded go out impeller, production and processing is convenient, and manufacturing efficiency is high, and the structural strength of impeller is better.
The top rounding of blade 2.By by the intersection, two sides of blade 2 carry out rounding processing, make blade 2 entirety be streamlined structure, air intake smoothness, working efficiency is higher.Can reduce the accumulation of dust, ensure the clean of impeller inside, the working life of improving impeller simultaneously.
Refer to Fig. 3 and Fig. 4, as shown in the figure, blade 2 tops are provided with impeller chimney 3, and the center of impeller chimney 3 offers intake grill 4, blade 2 and impeller chimney 3 Spielpassung.In impeller when work,, outer gas stream enters in impeller through intake grill 4 places, after enter impeller rear end motor circuit board and winding carried out to cooling processing.
The interior side direction center indent that impeller chimney 3 is relative with blade 2 forms cambered surface 6, the cambered surface that after blade 2 rotates, outer rim forms and cambered surface 6 parallel matched of impeller chimney inner side, and when impeller chimney 3 is assembled to behind blade 2 tops, 2 one-tenth Spielpassung of impeller chimney 3 and blade.
Impeller chimney 3 plays the effect of upper cover plate in this structure simultaneously, and between itself and lower cover plate 1 and blade 2, composition double shrouded wheel structure, in reducing motor volume, has ensured again the working efficiency of impeller, meets motor small volume, high-revolving demand.
The utility model discloses a kind of impeller, be applied on brushless motor of dust collector, impeller comprises lower cover plate, and the center of lower cover plate is upwards protruding gradually, and the upper and lower surface of lower cover plate all forms cambered surface, and blade is fixedly installed on the upper surface of described lower cover plate.This impeller only comprises lower cover plate and the multiple arc shaped blades on it, forms half-opened impeller, and this impeller volume is relatively little, is convenient for carrying; Materials'use amount is few, and cost of production is lower.The center of the lower cover plate formation cambered surface that raises up, in the situation that lower cover plate area coverage is constant, the length of blade obviously increases, make the structure of impeller comparatively compact, effectively reduce the volume of impeller, and blade can not be out of shape or rupture in the time that motor runs up, improve the working life of impeller.
Blade top is provided with impeller chimney, blade and impeller chimney are Spielpassung, impeller chimney plays the effect of upper cover plate in this structure simultaneously, between itself and lower cover plate and blade, form double shrouded wheel structure, in reducing motor volume, ensure again the working efficiency of impeller, met motor small volume, high-revolving user demand.
Blade and lower cover plate and the machine shaping of central shaft one, structural strength is higher, and usability is better, has avoided cover plate and the interlobate damage that gets loose, and improves the working life of impeller.
This impeller is applicable to high vacuum, high rotating speed brushless direct-current motor of dust collector.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will 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 (9)
1. an impeller, is applied on brushless motor of dust collector, it is characterized in that, the lower cover plate of described impeller is designed to the structure that center is cambered surface, and in cambered surface, designs multiple arc shaped blades.
2. impeller as claimed in claim 1, is characterized in that, the lower cover plate center of described impeller is upwards protruding gradually, and the upper and lower surface of described lower cover plate all forms cambered surface, and described blade is fixedly installed on the upper surface of described lower cover plate.
3. impeller as claimed in claim 2, is characterized in that, described impeller also comprises central shaft, on described central shaft, is provided with axis hole, and described lower cover plate, centered by described central shaft, and is fixedly connected on the outer wall of described central shaft.
4. impeller as claimed in claim 3, is characterized in that, described lower cover plate is connected in the neutral position place of described central shaft outer wall.
5. impeller as claimed in claim 3, is characterized in that, described blade is array distribution centered by described central shaft, and extends to the edge of lower cover plate from central shaft outer wall.
6. impeller as claimed in claim 3, is characterized in that, described blade, lower cover plate and described central shaft are one-body molded.
7. impeller as claimed in claim 1, is characterized in that, the top rounding of described blade.
8. impeller as claimed in claim 2, is characterized in that, described blade top is provided with impeller chimney, and the center of described impeller chimney offers intake grill, described blade and described impeller chimney Spielpassung.
9. impeller as claimed in claim 8, it is characterized in that, the interior side direction center indent that described impeller chimney is relative with described blade forms cambered surface, the cambered surface parallel matched of the cambered surface that after described blade rotation, outer rim forms and described impeller chimney inner side, when described impeller chimney is assembled to behind described blade top, described impeller chimney becomes Spielpassung with described blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312518.4U CN203892250U (en) | 2014-06-12 | 2014-06-12 | Impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312518.4U CN203892250U (en) | 2014-06-12 | 2014-06-12 | Impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892250U true CN203892250U (en) | 2014-10-22 |
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ID=51718661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420312518.4U Active CN203892250U (en) | 2014-06-12 | 2014-06-12 | Impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279185A (en) * | 2014-06-12 | 2015-01-14 | 莱克电气股份有限公司 | Impeller |
| CN107246397A (en) * | 2017-05-27 | 2017-10-13 | 嵊州市玖和机电有限公司 | A kind of high speed air pump |
| CN109315338A (en) * | 2017-07-31 | 2019-02-12 | 上海汉强汽车零配件有限公司 | A kind of Water wheel like for aeration impeller |
-
2014
- 2014-06-12 CN CN201420312518.4U patent/CN203892250U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279185A (en) * | 2014-06-12 | 2015-01-14 | 莱克电气股份有限公司 | Impeller |
| WO2015188748A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller |
| CN107246397A (en) * | 2017-05-27 | 2017-10-13 | 嵊州市玖和机电有限公司 | A kind of high speed air pump |
| CN109315338A (en) * | 2017-07-31 | 2019-02-12 | 上海汉强汽车零配件有限公司 | A kind of Water wheel like for aeration impeller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |