CN205013370U - Impeller and fan - Google Patents
Impeller and fan Download PDFInfo
- Publication number
- CN205013370U CN205013370U CN201520778569.0U CN201520778569U CN205013370U CN 205013370 U CN205013370 U CN 205013370U CN 201520778569 U CN201520778569 U CN 201520778569U CN 205013370 U CN205013370 U CN 205013370U
- Authority
- CN
- China
- Prior art keywords
- blade
- impeller
- flexible blade
- bounding means
- wheel disc
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an impeller and fan, this impeller includes: rim plate and blade, wherein, at least one blade is flexible blade, and just only it is close to the interior zhou duan at rim plate center to flexible blade, the periphery end of keeping away from the rim plate central is fixed in the rim plate. The utility model discloses an impeller, through being flexible blade with at least one blade design, and flexible blade only in it zhou duan hold with the periphery and be fixed in the rim plate, then the part that lies in between its zhou duan and the periphery end of flexible blade is fixed, then flexible blade loose partially can warp along with the change of load is automatic, and rise the position of adjusting to the corresponding operating mode of adaptation under the drag force effect, compare with prior art rigidity blade, under the same condition of load, the utilization ratio of flexible blade is higher, the average utilization ratio of blade in the impeller has then been improved, thereby the operating efficiency of whole impeller has been improved. The utility model discloses a fan has above -mentioned impeller.
Description
Technical field
The utility model relates to impeller manufacturing technology field, more particularly, relates to a kind of impeller and blower fan.
Background technique
At present, impeller mainly comprises wheel disc and is located at blade on wheel disc, and blade is rigid blade, and namely the shape of blade and position are fixed.
Because impeller is interior stream non-symmetry structure, and blade is rigid blade, then in impeller working procedure, different leaves operational efficiency is different, the operational efficiency of the blade namely had is high, the operational efficiency of some blades is low, the utilization ratio that then there is partial blade is lower, causes the operational efficiency of whole impeller lower, makes the performance of the blower fan with this impeller also poor.
In sum, how improving the average utilization of impeller blade, to improve the operational efficiency of whole impeller, is current those skilled in the art's problem demanding prompt solution.
Model utility content
The purpose of this utility model is to provide a kind of impeller, improves the average utilization of impeller blade, to improve the operational efficiency of whole impeller.Another object of the present utility model is to provide a kind of blower fan with above-mentioned impeller.
To achieve these goals, the utility model provides following technological scheme:
A kind of impeller, comprising: wheel disc and blade, wherein, blade described at least one is flexible blade, and described flexible blade only its inner circumferential end of taking turns disk center near described, be fixed on described wheel disc away from described outer circumference end of taking turns disk center.
Preferably, described flexible blade is canvas blade or TP blade.
Preferably, above-mentioned impeller also comprises: be all fixed on the first bounding means on described wheel disc and the second bounding means, described first bounding means is positioned at the windward side of described flexible blade, and described second bounding means is positioned at the leeward side of described flexible blade.
Preferably, the number of described first bounding means is at least two, and the number of described second bounding means is at least two.
Preferably, described first bounding means is limited post or limiting stopper; Described second bounding means is limiting board.
Preferably, described limiting board is curved or aerofoil profile near the inwall molded line of described flexible blade, and the inwall molded line of described limiting board protrudes to the direction away from described flexible blade.
Preferably, the number of described first bounding means and described second bounding means is one, and described first bounding means is positioned at the middle part of described flexible blade.
Preferably, the height of described first bounding means and described second bounding means is all less than 10% of the height of described flexible blade.
Preferably, the height of described first bounding means and described second bounding means is all less than 5% of the height of described flexible blade.
Preferably, the whole described blade on described wheel disc is flexible blade.
Preferably, the number of described flexible blade is 3-31.
Preferably, the number of described flexible blade is 5-17.
Preferably, the inner circumferential end of described flexible blade and outer circumference end are all fixed on described wheel disc by locating column.
Based on the above-mentioned impeller provided, the utility model additionally provides a kind of blower fan, and this blower fan comprises impeller, and wherein, described impeller is the impeller described in above-mentioned any one.
The impeller that the utility model provides, by being flexible blade by least one blade design, and flexible blade only its inner circumferential end and outer circumference end are fixed on wheel disc, then the part of flexible blade between its inner circumferential end and outer circumference end is not fixed, then the loose part of flexible blade can along with the change auto Deformation of load, and rising the position being adjusted under drag force effect and adapting to corresponding operating mode, compared with prior art rigid blade, when load is identical, the utilization ratio of flexible blade is higher, then improve the average utilization of impeller Leaf, thus improve the operational efficiency of whole impeller.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, 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 embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the impeller that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the enlarged diagram of part A in Fig. 1;
The plan view of the impeller that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the enlarged diagram of part B in Fig. 3.
In upper Fig. 1-4:
1 be wheel disc, 2 be flexible blade, 3 for locating column, 4 be the first bounding means, 5 be the second bounding means.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, 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 obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The impeller that the utility model embodiment provides, comprising: wheel disc 1 and blade, and wherein, at least one blade is flexible blade 2, and flexible blade 2 only its inner circumferential end near wheel disc 1 center, be fixed on wheel disc 1 away from the outer circumference end at wheel disc 1 center.Be understandable that, in flexible blade 2, the part of the inner circumferential end and outer circumference end that are positioned at flexible blade 2 is not fixed.
The impeller that the utility model embodiment provides, by being flexible blade 2 by least one blade design, and flexible blade 2 only its inner circumferential end and outer circumference end are fixed on wheel disc 1, then the part of flexible blade 2 between its inner circumferential end and outer circumference end is not fixed, then the loose part of flexible blade 2 can along with the change auto Deformation of load, and rising the position being adjusted under drag force effect and adapting to corresponding operating mode, compared with prior art rigid blade, when load is identical, the utilization ratio of flexible blade 2 is higher, then improve the average utilization of impeller Leaf, thus improve the operational efficiency of whole impeller.
In the impeller that above-described embodiment provides, for shape and the size of flexible blade 2, design according to the requirement of reality to impeller, the utility model is embodiment do not limit this.
In above-mentioned impeller, the material of manufacturing flexible blade 2 exists multiple, such as canvas, TP material etc.It should be noted that, TP material refers to elastic deformation material, is special technical term at Material Field TP material.Conveniently draw materials and manufacture, prioritizing selection flexible blade 2 is canvas blade or TP blade.It should be noted that, TP blade refers to the blade adopting TP material to make, and canvas blade refers to the blade adopting canvas to make.
In order to avoid irregular distortion occurs flexible blade 2, in above-mentioned impeller, limit position part is set in the side of flexible blade 2 or both sides.Preferably, above-mentioned impeller also comprises: be all fixed on the windward side that the first bounding means 4 on wheel disc 1 and the second bounding means 5, first bounding means 4 are positioned at flexible blade 2, the second bounding means 5 is positioned at the leeward side of flexible blade 2.Like this, achieve flexible blade 2 by the first bounding means 4 and the second bounding means 5 spacing, avoid flexible blade 2 and occur irregular deformation, affect the efficiency of whole impeller.
In above-mentioned impeller, the first bounding means 4 or the second bounding means 5 also only can be set, be not limited to above-described embodiment.The number of the first bounding means 4 and the second bounding means 5, size are not limited, as long as meet usage requirement.First bounding means 4 and the second bounding means 5 can be welded on wheel disc 1, and the first bounding means 4, second bounding means 5 and wheel disc 1 also can be selected to be integral type structure.
In order to strengthen limit effect, ensure again the deformation space of flexible blade 2, the number of prioritizing selection first bounding means 4 is at least two, and the number of the second bounding means 5 is at least two simultaneously.Certainly, the two also can be selected to be one, to be not limited thereto.
Consider the deformation characteristics of flexible blade 2, prioritizing selection first bounding means 4 is limited post or limiting stopper; Second bounding means 5 is limiting board.Because the second bounding means 5 is positioned at the leeward side of flexible blade 2, in order to adapt to the distortion of flexible blade 2, limiting board is curved or aerofoil profile near the inwall molded line of flexible blade 2, and the inwall molded line of limiting board protrudes to the direction away from flexible blade 2.
Be understandable that, limited post and limiting stopper less, limiting board is larger.Conveniently arrange, limited post and limiting stopper are perpendicular to wheel disc 1.
Preferably, in above-mentioned impeller, the number of the first bounding means 4 and the second bounding means 5 is one, and the first bounding means 4 is positioned at the middle part of flexible blade 2.Like this, the first bounding means 4 be limited post or limiting stopper time, effectively ensure that the normal deformation of flexible blade 2, it also avoid flexible blade 2 and irregular distortion occurs; Also convenient manufacture, improves manufacture efficiency simultaneously.
In above-mentioned impeller, the first bounding means 4 and the second bounding means 5 too high, whole impeller can be made to produce blade-to-blade vortex stream, affect impeller performance.In order to avoid producing blade-to-blade vortex stream, the height of prioritizing selection first bounding means 4 and the second bounding means 5 is all less than 10% of the height of flexible blade 2.Concrete, remember that the height of the first bounding means 4 is H
1, remember that the height of the second bounding means 5 is H
2, the height of note flexible blade 2 is H
3, then H
1<H
3* 10%, H
2<H
3* 10%.Be understandable that, the short transverse of the short transverse of the first bounding means 4, the short transverse of the second bounding means 5, flexible blade 2 is identical, is the direction perpendicular to wheel disc 1.
Further, the height of the first bounding means 4 and the second bounding means 5 is all less than 5% of the height of flexible blade 2.Concrete, H
1<H
3* 5%, H
2<H
3* 5%.Like this, not only can avoid, because of the first bounding means 4 and the second bounding means 5 too high generation blade-to-blade vortex stream, also can playing inhibitory action to blade-to-blade vortex stream simultaneously.
In order to farthest improve the average utilization of impeller blade, the whole blades on prioritizing selection wheel disc 1 are flexible blade 2.
In actual applications, the number of flexible blade 2 is selected as required.Preferably, the number of flexible blade 2 is 3-31.Further, the number of flexible blade 2 is 5-17.Certainly, the number of flexible blade 2 also can be selected to be other numerical value, to be not limited to above-mentioned scope.
For the ease of installing flexible blade 2, the inner circumferential end of prioritizing selection flexible blade 2 and outer circumference end are all fixed on wheel disc 1 by locating column 3.Be understandable that, locating column 3 runs through flexible blade 2 along the short transverse of flexible blade 2, and locating column 3 and wheel disc 1 are fixedly linked.Certainly, other links or linkage structure also can be selected to realize the inner circumferential end of flexible blade 2 and the fixing of outer circumference end, and such as locating stud, clench nail etc., be not limited thereto.
Based on the impeller that above-described embodiment provides, the utility model embodiment still provides a kind of blower fan, and this blower fan comprises impeller, and wherein, this impeller is the impeller described in above-described embodiment.
Due to the impeller that above-described embodiment provides, improve the average utilization of impeller Leaf, thus improve the operational efficiency of whole impeller, then improve the efficiency of whole blower fan: simultaneously, the loose part of flexible blade 2 can along with the change auto Deformation of load, and rising the position being adjusted under drag force effect and adapting to corresponding operating mode, then effectively can improve the mobile performance of flexible blade 2, improve transformation efficiency, blower fan dissipates in aspect energy such as friction, leakages and decays to some extent, and noise performance is also improved preferably.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model 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 (14)
1. an impeller, comprise: wheel disc (1) and blade, it is characterized in that, blade described at least one is flexible blade (2), and described flexible blade (2) only its inner circumferential end near described wheel disc (1) center, be fixed on described wheel disc (1) away from the outer circumference end at described wheel disc (1) center.
2. impeller according to claim 1, is characterized in that, described flexible blade (2) is canvas blade or TP blade.
3. impeller according to claim 1, it is characterized in that, also comprise: be all fixed on the first bounding means (4) on described wheel disc (1) and the second bounding means (5), described first bounding means (4) is positioned at the windward side of described flexible blade (2), and described second bounding means (5) is positioned at the leeward side of described flexible blade (2).
4. impeller according to claim 3, is characterized in that, the number of described first bounding means (4) is at least two, and the number of described second bounding means (5) is at least two.
5. impeller according to claim 3, is characterized in that, described first bounding means (4) is limited post or limiting stopper; Described second bounding means (5) is limiting board.
6. impeller according to claim 5, it is characterized in that, described limiting board is curved or aerofoil profile near the inwall molded line of described flexible blade (2), and the inwall molded line of described limiting board protrudes to the direction away from described flexible blade (2).
7. impeller according to claim 5, it is characterized in that, the number of described first bounding means (4) and described second bounding means (5) is one, and described first bounding means (4) is positioned at the middle part of described flexible blade (2).
8. impeller according to claim 1, is characterized in that, the height of described first bounding means (4) and described second bounding means (5) is all less than 10% of the height of described flexible blade (2).
9. impeller according to claim 8, is characterized in that, the height of described first bounding means (4) and described second bounding means (5) is all less than 5% of the height of described flexible blade (2).
10. impeller according to claim 1, is characterized in that, the whole described blade on described wheel disc (1) is flexible blade (2).
11. impellers according to claim 10, is characterized in that, the number of described flexible blade (2) is 3-31.
12. impellers according to claim 11, is characterized in that, the number of described flexible blade (2) is 5-17.
13., according to the impeller in claim 1-12 described in any one, is characterized in that, the inner circumferential end of described flexible blade (2) and outer circumference end are all fixed on described wheel disc (1) by locating column (3).
14. 1 kinds of blower fans, comprise impeller, it is characterized in that, described impeller is for as the impeller in claim 1-13 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778569.0U CN205013370U (en) | 2015-10-09 | 2015-10-09 | Impeller and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778569.0U CN205013370U (en) | 2015-10-09 | 2015-10-09 | Impeller and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013370U true CN205013370U (en) | 2016-02-03 |
Family
ID=55211979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520778569.0U Withdrawn - After Issue CN205013370U (en) | 2015-10-09 | 2015-10-09 | Impeller and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179313A (en) * | 2015-10-09 | 2015-12-23 | 珠海格力电器股份有限公司 | Impeller and fan |
-
2015
- 2015-10-09 CN CN201520778569.0U patent/CN205013370U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179313A (en) * | 2015-10-09 | 2015-12-23 | 珠海格力电器股份有限公司 | Impeller and fan |
| CN105179313B (en) * | 2015-10-09 | 2017-09-22 | 珠海格力电器股份有限公司 | Impeller and blower fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201636038U (en) | Fan with high efficiency, energy saving and cost lowering | |
| US20150152875A1 (en) | Air blower | |
| JP2013249763A (en) | Axial flow blower | |
| CN202326408U (en) | Efficient centrifugal ventilator blade structure | |
| CN204329267U (en) | Air-conditioner outdoor unit and air outlet grate thereof | |
| CN205013370U (en) | Impeller and fan | |
| JP2008025463A (en) | Blower impeller | |
| CN201991833U (en) | Axial flow fan blade | |
| CN204371767U (en) | A kind of radial fan of Wind Volume | |
| CN204755372U (en) | Axial fan and window type cooling unit | |
| CN201763675U (en) | Coil pipe air blower impeller | |
| CN202833301U (en) | Axial fan and air conditioner outside machine | |
| CN203362603U (en) | Fan and air conditioner | |
| CN202833304U (en) | Novel fan blade structure | |
| CN105179313A (en) | Impeller and fan | |
| CN201934380U (en) | Fan blade of ventilation fan | |
| CN103388591B (en) | Radiation fan | |
| CN201650854U (en) | Blower impeller with stiffeners | |
| CN201747640U (en) | Fan | |
| CN207246107U (en) | The enhanced axial-flow leaf of structure | |
| CN203175972U (en) | Vane wheel used on air conditioner | |
| CN201874883U (en) | Axial flow fan blade | |
| CN202391807U (en) | Axial flow wind wheel | |
| CN203374513U (en) | Low-noise fan used for heat dissipation of motor | |
| CN102927046A (en) | Low-noise efficient impeller of axial-flow fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20170922 |
|
| AV01 | Patent right actively abandoned |