CN203892247U - Impeller structure - Google Patents
Impeller structure Download PDFInfo
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- CN203892247U CN203892247U CN201420312989.5U CN201420312989U CN203892247U CN 203892247 U CN203892247 U CN 203892247U CN 201420312989 U CN201420312989 U CN 201420312989U CN 203892247 U CN203892247 U CN 203892247U
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- blade
- cover plate
- lower cover
- impeller
- wheel structure
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Abstract
The utility model discloses an impeller structure. The impeller structure comprises a lower cover plate and a plurality of arc-shaped blades designed on the lower cover plate, wherein the blades are connected with a shaft center of the lower cover plate and distributed on the lower cover plate in an involute mode. The impeller structure is applicable to a high-vacuum high-rotating-speed brushless direct-current dust collector motor. The impeller structure is an unshrouded impeller structure, and is relatively small in size and convenient to carry; the material usage amount is small, and the production cost is low. Due to the fact that the structural form that the blades are distributed on the lower cover plate in the involute mode is adopted, the impeller structure is stable in operation, high in working performance, low in energy consumption, low in using cost, low in noise and high in working environment quality; an impeller casing is arranged above the blades, the blades is in clearance fit with the impeller casing, the impeller casing also plays a role of an upper cover plate in the structure at the same time, a closed impeller structure is formed by the impeller casing, the lower cover plate and the blades, the size of the motor is reduced, working efficiency of the impeller is ensured, and the usage requirements for small size and high rotating speed of the motor are met. The blades and the lower cover plate are integrally machined to be formed, and the structural strength is high.
Description
Technical field
The utility model belongs to the manufacturing technology field of motor of dust collector, is specifically related to a kind of blade wheel structure.
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, vacuum cleaner by structure form generally can be divided into vertical, horizontal and portable etc.
Motor of dust collector is the core component of vacuum cleaner, generally by two-part, formed, 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 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 during 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.
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, guarantee 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 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, guaranteeing 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 blade wheel structure proposing according to the purpose of this utility model, is applied on brushless motor of dust collector, designs a plurality of arc shaped blades on the lower cover plate of described blade wheel structure, and blade connects axle center and is evolvent type distribution 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 place, axle center of lower cover plate.
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.
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 the disclosed blade wheel structure of the utility model 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 a plurality of arc shaped blades on it, forms half-opened impeller structure, and this blade wheel structure volume is relatively little, is convenient for carrying; Materials'use amount is few, and cost of production is lower.
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, when reducing motor volume, guarantee again the working efficiency of impeller, met motor small volume, high-revolving user demand.
2, blade connects the axle center of lower cover plate, and on lower cover plate, is evolvent type and distributes, the impeller operation of this structural type relatively steadily, service behaviour compared with high, energy consumption is little, user cost is lower, and running noises is little, 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, has avoided cover plate and the interlobate damage that gets loose, and improves the working life of impeller.
Accompanying drawing explanation
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 skills, 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 blade wheel structure of the utility model.
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 of alphabetical representative:
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, generally include upper cover plate, lower cover plate and be arranged at the blade 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 assembling formation, complex structure, general volume is larger, quality weight, cost of production is higher, and during 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, cannot meet high-revolving user demand.
The utility model is for deficiency of the prior art, a kind of blade wheel structure is provided, by adopting lower cover plate and the integrated blade wheel structure of blade, to meet the user demand of brushless electric machine impeller, guaranteeing 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 blade wheel structure proposing according to the purpose of this utility model, is applied on brushless motor of dust collector, designs a plurality of arc shaped blades on the lower cover plate of described blade wheel structure, and blade connects axle center and is evolvent type distribution 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 place, axle center of lower cover plate.
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.
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 the technical solution of the utility model, be clearly and completely described by embodiment below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, as shown in the figure, a kind of blade wheel structure, is applied on brushless motor of dust collector, designs a plurality of arc shaped blades 2 on the lower cover plate 1 of blade wheel structure, and blade 2 connects the axle center 8 of lower cover plate 1, and is evolvent type distribution along lower cover plate 1.By blade 2 is scattered in to 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 increased 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 8 places, axle center of lower cover plate 1.Blade 2 can be by the machine shaping of injection moulding mode one with lower cover plate 1, and the intensity of blade wheel structure is higher, and stability is better, and usability is better, is improving the high efficiency while of impeller, has guaranteed the working life of impeller, reduces user cost.Meanwhile, avoid the damage that gets loose of 2, lower cover plate 1 and blade, improved the working life of impeller.
The top rounding of blade 2.By by the intersection, two sides of blade 2 carry out rounding processing, make blade 2 integral body be streamlined structure, air intake is smooth, working efficiency is higher.Can reduce the accumulation of dust, guarantee the clean of impeller inside, the working life of improving impeller simultaneously.
Refer to Fig. 2 and Fig. 3, as shown in the figure, blade 2 tops are provided with impeller chimney 3, and the center position of impeller chimney 3 offers intake grill 4, blade 2 and impeller chimney 3 Spielpassung.In blade wheel structure 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 5, the cambered surface that after blade 2 rotates, outer rim forms and cambered surface 5 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 2, itself and lower cover plate 1 and blade form double shrouded wheel structures, when reducing motor volume, have guaranteed again the working efficiency of impeller, meet motor small volume, high-revolving demand.
Blade 2 can be divided into two sections by variable height, is respectively linkage section 6 and extension 7, and 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, when guaranteeing impeller air output, reduces the load of blade carrying, increases work efficiency.Facilitate closely cooperating of impeller chimney 3 and blade 2, guarantee the compactedness of blade wheel structure, reduced 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., does not specifically limit.
Blade 2 segmentation place roundings are processed, the continuity that two-stage structure is connected.
The utility model discloses a kind of blade wheel structure, this blade wheel structure comprises a plurality of arc shaped blades that design on lower cover plate and lower cover plate, and blade connects axle center and is evolvent type distribution 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 a plurality of arc shaped blades on it, forms half-opened impeller structure, and 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 is evolvent type and distributes on lower cover plate, this structural type operation compared with steadily, service behaviour compared with high, energy consumption is little, user cost is lower, and noise is little, working environment quality is higher.And blade connects the axle center of lower cover plate, make whole blade wheel structure comparatively compact, connective stability is better, and structural strength is higher.
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, when reducing motor volume, guarantee again the working efficiency of impeller, met 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, has avoided cover plate and the interlobate damage that gets loose, and improves the working life of impeller.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, 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 (8)
1. a blade wheel structure, is applied to, on brushless motor of dust collector, it is characterized in that, designs a plurality of arc shaped blades on the lower cover plate of described blade wheel structure, and blade connects axle center and is evolvent type distribution along lower cover plate.
2. blade wheel structure as claimed in claim 1, 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 place, axle center 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, 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.
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, 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.
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312989.5U CN203892247U (en) | 2014-06-12 | 2014-06-12 | Impeller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312989.5U CN203892247U (en) | 2014-06-12 | 2014-06-12 | Impeller structure |
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| Publication Number | Publication Date |
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| CN203892247U true CN203892247U (en) | 2014-10-22 |
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| CN201420312989.5U Active CN203892247U (en) | 2014-06-12 | 2014-06-12 | Impeller structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279182A (en) * | 2014-06-12 | 2015-01-14 | 莱克电气股份有限公司 | Impeller structure |
| WO2015188748A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller |
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2014
- 2014-06-12 CN CN201420312989.5U patent/CN203892247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279182A (en) * | 2014-06-12 | 2015-01-14 | 莱克电气股份有限公司 | Impeller structure |
| WO2015188748A1 (en) * | 2014-06-12 | 2015-12-17 | 莱克电气股份有限公司 | Impeller |
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