CN201865968U - Impeller used for electric drier - Google Patents
Impeller used for electric drier Download PDFInfo
- Publication number
- CN201865968U CN201865968U CN2010206348932U CN201020634893U CN201865968U CN 201865968 U CN201865968 U CN 201865968U CN 2010206348932 U CN2010206348932 U CN 2010206348932U CN 201020634893 U CN201020634893 U CN 201020634893U CN 201865968 U CN201865968 U CN 201865968U
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- CN
- China
- Prior art keywords
- impeller
- wheel hub
- blade
- hub
- airflow
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an impeller used for an electric drier, which comprises a hub and a plurality of blades fixed on the external circumferential surface of the hub. The impeller is characterized in that the intersecting line of the blade and the external circumferential surface of the hub is an inclined line or a helical line; furthermore, the impeller also comprises an enclosing sleeve that is sheathed outside the blades; two ends of the enclosing sleeve are provided with openings so as to form an air inlet and an air outlet of the impeller; and the hub, the blades and the enclosing sleeve are integrated into a whole. Compared with the prior art, the impeller has the advantages that the intersecting line of the blade and the external circumferential surface of the hub is an inclined line or a helical line; furthermore, the enclosing sleeve is arranged at the external end sleeve of the blade; when the motor drives the hub to rotate, owning to the guidance of the enclosing sleeve, the air at the air inlet can flow out from the air outlet along the internal chamber of the enclosing sleeve so that the flowing direction of the airflow from the air inlet to the air outlet is unique, the flowing direction of the airflow is more centralized and the wind yield is improved; furthermore, the airflow is constrained by the enclosing sleeve in the flowing process, the airflow can not be blown to the tail of the shell; the flowing direction is clear, and the generation of vortex flow is avoided, thus leading the airflow to flow smoothly and to have low noise.
Description
Technical field
The utility model relates to a kind of impeller, particularly a kind of impeller that is used on the hair drier.
Background technique
Hair drier is household electric appliance commonly used in the daily life, and impeller is the vitals in the hair drier, if impeller design is scientific and reasonable, just can improve air output effectively, reduces noise.
In the prior art, the impeller of hair drier mostly is the prismatic blade structure, blade is not oblique shape or helix shape, and, be not provided with on the impeller yet and enclose the stream ring, when impeller rotates, the air that enters impeller at first be under action of centrifugal force, got rid of along diametric(al) to around, and strike the casing afterbody of hair drier, then, the exhaust outlet that is forced to hair drier under the stopping of casing afterbody turns to, in this process, air flow direction confusion, bump mutually, form strong eddy current, noise is big.Therefore,, improve the air-out rate and the performance of hair drier, also need the impeller of existing hair drier is done further improvement in order to reduce noise.
Summary of the invention
Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of air-out efficient height and noise little be used for impeller on the hair drier.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of impeller that is used on the hair drier, include wheel hub and a plurality of blades that are fixedly installed on this wheel hub outer circumferential face, it is characterized in that: the intersection of described blade and described wheel hub outer circumferential face is oblique line or helix, and, described impeller comprises that also the stream that encloses that is set in outside described a plurality of blade overlaps, describedly enclose stream cover both ends open and form the intake grill and the exhaust outlet of impeller, described wheel hub, blade and enclose stream cover three and fuse.
As preferably, described wheel hub is frustoconic shape or taper shape, and the described stream cover that encloses is the big or small suitable frustoconic shape of profile that inner chamber size and described blade outer end form.
In order to realize power transmission, and saving material and the weight that alleviates product, as further preferred, cavity is emptied and formed in the bottom of described wheel hub, and this wheel hub forms the transmission shaft that is provided with and links to each other with the motor shaft of described hair drier vertically in bottom cavity.
Compared with prior art, advantage of the present utility model is: the intersection of blade on the wheel hub side face is oblique line or helix, and, the outer end of blade is arranged with encloses the stream cover, when the motor drives wheel hub rotates, owing to be subjected to enclosing the guiding function of stream cover, the air of intake grill can only flow out from exhaust outlet along the inner chamber that encloses the stream cover, make that the flow direction of air-flow from the intake grill to the exhaust outlet is unique, air flow direction is more concentrated, has improved the air-out rate; And air-flow is subjected to enclosing the effect of contraction of stream cover in flow process, and air-flow can not blow to the casing afterbody, flows to and cleans, and avoids having produced eddy current, thereby makes that air current flow is smooth and easy, noise is little.
Description of drawings
Fig. 1 is one of perspective view of the utility model embodiment (front).
Fig. 2 is two (reverse side) of the utility model embodiment's perspective view.
Fig. 3 is the utility model embodiment's a three-dimensional exploded view.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 3, impeller of the present utility model is installed on the hair drier, this impeller include wheel hub 1, fixedly be distributed on this wheel hub 1 outer circumferential face four blades 2 and around the outer end that is arranged on all blades 2 and and blade 2 fixedly fuse enclose stream cover 3;
Wherein, the intersection 21 of each blade 2 and wheel hub 1 outer circumferential face is oblique line or helix, wheel hub 1 itself can be frustoconic shape or taper shape, blade 2 is fixed on the wheel hub 1, the profile that the outer end of blade 2 forms is frustoconic shape, enclose intake grill and exhaust outlet that stream overlaps 3 both ends open 31 and forms impeller, so, the suitable frustoconic shape of profile size that stream cover 3 also is inner chamber size and the formation of blade 2 outer ends enclosed;
The motor of the hair drier of present embodiment is given blade by wheel hub with transmission of power, wherein, cavity 11 is emptied and formed in the bottom of wheel hub 1, and this wheel hub 1 forms the transmission shaft 12 that is provided with vertically in bottom cavity 11, the transmission shaft of wheel hub 1 links to each other with the motor shaft of hair drier, when the machine operation of hair drier, wheel hub 1 rotates and drives blade 2 and enclose stream cover 3 rotation together, because blade 2 twist or be obliquely installed, the air that enters intake grill is when rotating together along with impeller, can so be advanced fast by leaf natural to the air-out oral-lateral, simultaneously, owing to be subjected to being arranged at the constraint of enclosing stream cover 3 of blade 2 outer ends, the air-flow of intake grill is after enclose stream cover 3 one end openings and suck, have only from the exhaust outlet that encloses stream cover 3 the other end openings and flow out, make air-flow form unique flow direction, therefore, flowing of air-flow is more concentrated smooth and easy, avoided the mutual bump between air-flow and the casing, air-out efficient height, noise is little.
Claims (3)
1. impeller that is used on the hair drier, include wheel hub and a plurality of blades that are fixedly installed on this wheel hub outer circumferential face, it is characterized in that: the intersection of described blade and described wheel hub outer circumferential face is oblique line or helix, and, described impeller comprises that also the stream that encloses that is set in outside described a plurality of blade overlaps, describedly enclose stream cover both ends open and form the intake grill and the exhaust outlet of impeller, described wheel hub, blade and enclose stream cover three and fuse.
2. the impeller that is used on the hair drier according to claim 1 is characterized in that: described wheel hub is frustoconic shape or taper shape, and the described stream cover that encloses is the suitable frustoconic shape of profile size that inner chamber is big or small and described blade outer end forms.
3. the impeller that is used on the hair drier according to claim 2 is characterized in that: cavity is emptied and formed in the bottom of described wheel hub, and this wheel hub forms the transmission shaft that is provided with and links to each other with motor shaft vertically in bottom cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206348932U CN201865968U (en) | 2010-11-22 | 2010-11-22 | Impeller used for electric drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206348932U CN201865968U (en) | 2010-11-22 | 2010-11-22 | Impeller used for electric drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201865968U true CN201865968U (en) | 2011-06-15 |
Family
ID=44137124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206348932U Expired - Fee Related CN201865968U (en) | 2010-11-22 | 2010-11-22 | Impeller used for electric drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201865968U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425569A (en) * | 2011-11-29 | 2012-04-25 | 胡国贤 | Spiral combined air suction impeller |
| CN102562659A (en) * | 2012-03-26 | 2012-07-11 | 胡国贤 | Integrally formed wind wheel |
| CN104806537A (en) * | 2015-03-02 | 2015-07-29 | 联想(北京)有限公司 | Fan and electronic product with same |
| CN108019363A (en) * | 2018-01-11 | 2018-05-11 | 广东美的厨房电器制造有限公司 | Blower fan apparatus and smoke machine |
-
2010
- 2010-11-22 CN CN2010206348932U patent/CN201865968U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425569A (en) * | 2011-11-29 | 2012-04-25 | 胡国贤 | Spiral combined air suction impeller |
| CN102562659A (en) * | 2012-03-26 | 2012-07-11 | 胡国贤 | Integrally formed wind wheel |
| CN104806537A (en) * | 2015-03-02 | 2015-07-29 | 联想(北京)有限公司 | Fan and electronic product with same |
| CN108019363A (en) * | 2018-01-11 | 2018-05-11 | 广东美的厨房电器制造有限公司 | Blower fan apparatus and smoke machine |
| CN108019363B (en) * | 2018-01-11 | 2024-02-20 | 广东美的厨房电器制造有限公司 | Fan device and smoke machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131122 |