CN205937218U - Fan flabellum and fan unit - Google Patents
Fan flabellum and fan unit Download PDFInfo
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- CN205937218U CN205937218U CN201620231905.4U CN201620231905U CN205937218U CN 205937218 U CN205937218 U CN 205937218U CN 201620231905 U CN201620231905 U CN 201620231905U CN 205937218 U CN205937218 U CN 205937218U
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Abstract
The utility model relates to a does fan flabellum and fan unit include around axis of rotation (A A, a plurality of blades (1)) arranged, blade (1) is gradually towards the perpendicular to from the root to the end axis of rotation (A A, direction) is twistd reverse. Because the blade outwards reverses towards the orientation of perpendicular to axis of rotation from interior gradually, the projection of root on airflow direction of blade is littleer promptly to effectively reduce the influence to the amount of wind, compensatied the inconsistent problem of the inside and outside amount of wind of flabellum that the root linear velocity caused more slowly, promoted the work efficiency of fan then.
Description
Technical field
It relates to fan part field, more particularly, to a kind of electric fan and the fan dress using this electric fan
Put.
Background technology
In correlation technique, fan assembly is widely used in every field, such as can be used for blowing in air purifier, electricity
Fan art can be used for lowering the temperature.Wherein according to air-out direction, fan can be divided into axle stream, runoff and mixed flow three class, wind therein
Fan flabellum has various designs to meet all kinds of needs.For example, how to reduce noise, to change wind by designing electric fan
The fan duty such as amount and blast.
Utility model content
For overcoming problem present in correlation technique, the disclosure provides a kind of electric fan.
According to the embodiment of the present disclosure in a first aspect, provide a kind of electric fan, many including arrange around axis of rotation
Individual blade, described blade is increasingly towards from root to end and reverses perpendicular to the direction of described axis of rotation.
According to the second aspect of the embodiment of the present disclosure, provide a kind of fan assembly, this fan assembly is implemented using the disclosure
The electric fan that example provides.
The technical scheme that embodiment of the disclosure provides can include following beneficial effect：Due to blade from inside to outside gradually
Reverse towards perpendicular to the direction of axis of rotation, that is, the projection in the direction of the air flow of the root of blade is less, thus effectively reducing
Impact to air quantity, compensate for root linear velocity compared with the inconsistent problem of air quantity inside and outside the flabellum causing slowly, then improves
The work efficiency of fan.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the disclosure
Example, and be used for explaining the principle of the disclosure together with description.
Fig. 1 is the structural representation of the electric fan according to an exemplary embodiment.
Fig. 2 is the overlooking the structure diagram of the electric fan implementing to exemplify according to another exemplary.
The partial cross structural representation that Fig. 3 intercepts along the line E-E in Fig. 2.
Fig. 4 is the side structure schematic view of the electric fan according to embodiment illustrated in fig. 2, and the direction of arrow is wind direction.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the disclosure.
In the case of illustrating on the contrary, the noun of locality of use is as generally accordingly attached with the disclosure in " upper and lower, left and right "
Define on the basis of the page of figure, " inside and outside " then refers to the inner and outer of corresponding component profile." remote, near " is with the side of air-supply
To on the basis of define, that is, air-flow flows near to far.
As shown in Figures 1 to 4, the disclosure one exemplary embodiment provides a kind of electric fan and uses this electric fan
Fan assembly, wherein electric fan includes the multiple blades 1 around revolution axial A-A arrangement.Shown in Fig. 1, in the disclosure one
In exemplary embodiment, blade 1 is increasingly towards from root to end and reverses perpendicular to the direction of axis of rotation A-A.Due to blade 1
From inside to outside it is increasingly towards and reverses perpendicular to the direction of axis of rotation, that is, the projection in the direction of the air flow of the root of blade is less,
Thus effectively reducing the impact to air quantity, compensate for root linear velocity compared with inconsistent the asking of air quantity inside and outside the flabellum causing slowly
Topic, improves the work efficiency of fan then.In addition, according to the feature of axle stream, runoff and mixed flow fan it is also possible to draw blade
1 plane closer to axis of rotation A-A, air quantity is bigger, otherwise then blast is bigger.Therefore, by this blade 1 torsion of itself
Turn, the discharge quantity of fan of root of blade can be increased in the case that guarantee noise is constant greatly.
In the present embodiment, there is between the root of blade 1 and axis of rotation A-A the first angle, the end of blade 1 with return
There is between shaft axis A-A the second angle, the ratio of the first angle and the second angle is 1: 1.3～1: 1.6.Thus being better balanced
Blast and the relation of air quantity.
Additionally, in another embodiment as shown in Figures 2 to 4, blade 1 includes blade body 11 and from this blade basis
Body 11 is towards the flange 12 of inlet side or air side turnover.Due to flange 12 being provided with blade body, can be effectively increased
The weight of specific region in blade body 11, to increase blade body 11 in the case of not increasing overall flabellum integral thickness
Centrifugal force when rotating, reduces shake when rotating, the shake of in the vertical direction when especially horizontally rotating, thus stablizing
Property get a promotion and effectively reduce fan run noise.
In the present embodiment, formed by the end of blade body 11 as shown in figure 3, flange 12 can be designed, so can
Maximize the centrifugal force in rotation process of blade body 11 and convenient manufacture.In other embodiments, flange 12 also may be used
Near end setting, such as to weld or to be connected in blade body 11, the distance of " close " end can basis wherein herein
The specification of required centrifugal force size and flange determines, this equally can optimize centrifugation in rotation process for the blade body 11
Power, thus stability when ensureing that electric fan rotates.
In addition, in an exemplary embodiment of the disclosure, in blade body 11, the flange 12 of setting can be when rotating
Inlet side or air side form a circle cavity, so that air intake and air-out are more efficient, for example, are arranged on inlet side, Neng Goutong
Crossing the cavity guiding air-flow entrance fan being formed makes air intake more efficient, and is arranged on air side, can guide air-flow more
Concentrate, so that air-out is more efficient.
Based on this, in the present embodiment, multiple blades 1 are respectively arranged with flange 12, and many on the same side
Individual flange 12 is located on same circumference." side " in the same side herein refers to air side or inlet side.Therefore, the same circumference of displacement
On multiple flange 12 can form significantly more efficient cavity when rotated, thus optimizing air intake and air-out further.
In addition, in other embodiments, same blade body 11 can be provided with multiple flange 12.For example, same
Two flange 12 being respectively facing both sides turnover are provided with individual blade body 11.Entering of electric fan so can be optimized simultaneously
Wind and air-out performance.Wherein, in one embodiment, two flange 12 that should be located in same blade body 11 are radially right
Together, for example it is arranged at the end of blade body 11, so so that the flowing of air intake and air-out is more smooth, in addition another
In a kind of embodiment, two flange 12 in same blade body 11 can also be designed and radially stagger, so can meet respectively
The concrete set location of the demand to air intake and air-out, wherein flange 12 can be felt by test, with realize required air intake and
Air-out performance is defined.
In addition, in the present embodiment, processing and manufacturing flange 12 and blade body 11 are integrally formed for convenience.For example pass through
Mould, molded using macromolecular material.In other embodiments, can be with using modes such as grafting, clampings by flange 12 even
Connect and be arranged in blade body 11.
In the present embodiment, as shown in Figure 3 and Figure 4, multiple blade body 11 are respectively facing air side with identical angle
Overall bending, in such manner, it is possible to make air-out inwardly converge to a region first according to the angle of bending, then collision rift dissipates
Open, so that wind is milder to ratio on the person, user experience is more preferable.
Those skilled in the art, after considering description and putting into practice the disclosure, will readily occur to other embodiment party of the disclosure
Case.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or adaptability
Change is followed the general principle of the disclosure and is included the undocumented common knowledge in the art of the disclosure or usual skill
Art means.Description and embodiments be considered only as exemplary, the true scope of the disclosure and spirit by claim below
Point out.
It should be appreciated that the disclosure is not limited to be described above and precision architecture illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present disclosure only to be limited by appended claim.
Claims (9)
1. a kind of electric fan, including the multiple blades (1) arranged around axis of rotation (A-A) it is characterised in that described blade
(1) it is increasingly towards from root to end and reverse perpendicular to the direction of described axis of rotation (A-A),
There is between the described root of described blade (1) and described axis of rotation (A-A) the first angle, the institute of described blade (1)
State and there is between end and described axis of rotation (A-A) the second angle, described first angle is 1 with the ratio of described second angle:
1.3～1:1.6.
2. electric fan according to claim 1 it is characterised in that described blade (1) include blade body (11) and
From this blade body (11) towards the flange (12) of inlet side or air side turnover.
3. electric fan according to claim 2 is it is characterised in that described flange (12) is by described blade body (11)
End is formed or near the setting of described end.
4. the electric fan according to Claims 2 or 3 is it is characterised in that be respectively provided with multiple described blade (1)
State flange (12), and the multiple described flange (12) being located on the same side is located on same circumference.
5. electric fan according to claim 2 is it is characterised in that be provided with two in same described blade body (11)
The individual described flange (12) being respectively facing both sides turnover.
6. electric fan according to claim 5 is it is characterised in that described two flange (12) is radially aligned.
7. the electric fan according to Claims 2 or 3 is it is characterised in that described flange (12) and described blade body
(11) it is integrally formed.
8. electric fan according to claim 1 is it is characterised in that the plurality of blade body (11) is respectively facing air-out
Side is integrally bent with identical angle.
9. a kind of fan assembly is it is characterised in that described fan assembly is included according to any one in claim 1-8
Electric fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231905.4U CN205937218U (en) | 2016-03-24 | 2016-03-24 | Fan flabellum and fan unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231905.4U CN205937218U (en) | 2016-03-24 | 2016-03-24 | Fan flabellum and fan unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937218U true CN205937218U (en) | 2017-02-08 |
Family
ID=57934421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231905.4U Active CN205937218U (en) | 2016-03-24 | 2016-03-24 | Fan flabellum and fan unit |
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| Country | Link |
|---|---|
| CN (1) | CN205937218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697416A (en) * | 2016-03-24 | 2016-06-22 | 北京小米移动软件有限公司 | Fan blades and fan device |
| CN107885286A (en) * | 2017-10-23 | 2018-04-06 | 蒙城县望槐信息科技有限责任公司 | A kind of anti-laying dust computer |
-
2016
- 2016-03-24 CN CN201620231905.4U patent/CN205937218U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697416A (en) * | 2016-03-24 | 2016-06-22 | 北京小米移动软件有限公司 | Fan blades and fan device |
| CN107885286A (en) * | 2017-10-23 | 2018-04-06 | 蒙城县望槐信息科技有限责任公司 | A kind of anti-laying dust computer |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |