CN207526755U - A kind of external rotor axial-flow fan using split fan blade - Google Patents
A kind of external rotor axial-flow fan using split fan blade Download PDFInfo
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- CN207526755U CN207526755U CN201721274560.1U CN201721274560U CN207526755U CN 207526755 U CN207526755 U CN 207526755U CN 201721274560 U CN201721274560 U CN 201721274560U CN 207526755 U CN207526755 U CN 207526755U
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- fan blade
- split
- outer rotor
- locating platform
- fan
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Abstract
The utility model is related to outer rotor blower fan technical fields, disclose a kind of external rotor axial-flow fan using split fan blade, including outer rotor, are equipped with split fan blade on the outside of outer rotor, outer rotor is fixedly connected with split fan blade；Fan blade connector is equipped on the outside of outer rotor, fan blade connector includes mounting plane；Split fan blade two sides is all equipped with locating platform, and split fan blade is fixedly connected by fan blade connector with outer rotor, and mounting plane is bonded to each other with locating platform plane.Fan blade connector is equipped with installation groove, and locating platform is equipped with erecting bed, and the shape of installation groove and erecting bed matches.Metal insert is provided with or without on split fan blade, during equipped with metal insert, metal insert is installed on locating platform.Split wind blade main body material is plastics or aluminium.It is tightly combined between motor and fan blade, heat resistance is good.Noise of axial flow fan is low, compact-sized, easy for installation, and initial unbalance quality is small, main screw lift is small, manufacture and mounting process are relatively simple and easily controllable.
Description
Technical field
The utility model is related to outer rotor blower fan technical field more particularly to a kind of outer rotor shafts using split fan blade
The design of flow fan.
Background technology
Axial flow blower is rotated by wind wheel fan blade, and gas is driven, axially through wind turbine, to realize air-flow and wind from air inlet
The sports type wind turbine of machine axial parallel flow.Axial flow blower on domestic market is mostly steel plate welding wind turbine, it is external certain
A little enterprises are there are integral plastics wind turbine, monoblock cast aluminium wind turbine or split cast aluminium wind turbine, in the market temporarily without split plastic fan.Steel plate
Wind turbine is welded because using welding procedure, there are artificial uncontrollable factor, wind turbine consistency is poor.The big model wind turbine of integral plastics
It is larger to mold difficulty, and die sinking is costly, there are certain production risks.Split cast aluminium wind turbine overcomes disadvantage mentioned above substantially,
But because cast aluminium fan blade quality is larger, on the basis of identical deformation, balance and stability are poor compared with split plastic fan.
Realize that the difficulty of split plastic fan is that fan blade coordinates whether reasonable, wind turbine heat transfer process with rotor engaging portion fixed constraint
Middle plastic blade whether can thermal deformation, whether the intensity that fan blade is combined with rotor enough, the low-temperature resistance Transition of Brittleness of plastic material
Ability etc..
Utility model content
The utility model is directed to disadvantages mentioned above, provides a kind of external rotor axial-flow fan using split fan blade.
The utility model is set by the novel matching structure of light-weighted blade design, rotor and fan blade connecting portion
Meter has reached the balance of pneumatic effect and intensity.Fan blade integrally anti-height can be improved by metal insert embedded in locating platform
Temperature and the ability of creep.Fan blade by erecting bed and mounting-positioning holes can mating surface corresponding with fan blade connector carry out it is close
With reference to reducing cooperation difficulty, improve cooperation efficiency and intensity.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of external rotor axial-flow fan using split fan blade including outer rotor, is equipped with split fan blade, outside on the outside of outer rotor
Rotor is fixedly connected with split fan blade；Fan blade connector is equipped on the outside of outer rotor, fan blade connector includes mounting plane；Split wind
Leaf usable front panel and reverse panel is equipped with locating platform, and mounting plane is bonded to each other with locating platform plane, and split fan blade is connected by fan blade
Body is fixedly connected with outer rotor；Fan blade connector is equipped with installation threaded hole；Locating platform is equipped with mounting-positioning holes；Split wind
Leaf is fixedly connected by the cooperation of bolt, mounting-positioning holes and installation threaded hole with fan blade connector.Bolt mounting means is enough
Securely, it can ensure that split fan blade is not shifted or come off in use.Which is easy to implement, easy to operate, bolt
Extremely it is easy to get.Fan blade connector is connected as the medium connected between outer rotor and split fan blade, split fan blade with fan blade
The connection of body is reversible, facilitates the replacement of split fan blade.
As orderly that, fan blade connector be equipped with installation groove, locating platform be equipped with erecting bed, installation groove and peace
The shape of dress platform matches, and erecting bed is inserted into installation groove location fit.Erecting bed plays the work of guiding in assembling process
With, split fan blade by erecting bed and mounting-positioning holes can mating surface corresponding with fan blade connector combine closely, drop
Low cooperation difficulty improves cooperation efficiency and intensity.In use, the cooperation of erecting bed and installation groove can avoid
Split fan blade shifts.
Preferably, the center on locating platform surface is fixed with metal insert, metal insert thickness is 1 to 3mm.Gold
Belong to inserts to be molded for almag plate or steel plate punched, metal insert can improve the strong of split fan blade and fan blade connector junction
Degree and fan blade entirety anti-high and low-temp and the ability of creep can be not provided with when wind blade main body material is anti-high and low-temp plastic material
Metal insert.
Preferably, locating platform is located at split fan blade root centre position.In view of stressing conditions, used to extend
Service life selects to connect with fan blade connector among split fan blade root.
Preferably, being integrally formed between fan blade connector and outer rotor or by welding with outer rotor according to specific
Angle connects, fan blade connector plane and ranging from 30 ° to 60 ° of the special angle of outer rotor axis.In view of axial flow blower
Features and applications needs to ensure to be combined at an angle between split fan blade and outer rotor, otherwise can not be blowed and air draught
Operation.
Preferably, erecting bed outwardly protrudes the cladding boss to be formed for pushing down metal insert, erecting bed is convex with coating
Platform is integrally formed.Metal insert can be pressed on split fan blade by cladding boss, for fixing.It prevents in storage or transportational process
The obscission of middle generation.
Preferably, the angular range between erecting bed and each side of locating platform flat face and locating platform plane
It is 90 ° to 150 °.Erecting bed with gradient can play guiding and fixed function, and can be combined with installation groove more steady
It is fixed, it ensure that the intensity of split fan blade and outer rotor junction.
The utility model has significant technique effect as a result of above technical scheme：Between outer rotor and fan blade
It is tightly combined, split fan blade heat resistance is good.Noise of axial flow fan is low, compact-sized, easy for installation, initial unbalance quality is small,
Main screw lift is small, manufacture and mounting process are relatively simple and easily controllable, realize quality promotion and cost reduction it is two-way
Target.
Description of the drawings
Fig. 1 is 1 outer rotor motor structure schematic diagram of the utility model embodiment.
Fig. 2 is the split blade structure schematic diagram of the utility model embodiment 1.
Fig. 3 is 1 location platform arrangement schematic diagram of the utility model embodiment.
Fig. 4 is 1 metal insert position view of the utility model embodiment.
Fig. 5 is the split blade structure schematic diagram of the utility model embodiment 2.
The toponym that each number designation is referred in attached drawing is as follows：1-outer rotor, 2-split fan blade, 3-fan blade connect
Junctor, 21-locating platform, 22-metal insert, 31-mounting plane, 32-installation threaded hole, 33-installation groove, 211-
Mounting-positioning holes, 212-erecting bed, 213-cladding boss.
Specific embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figures 1 to 4, a kind of 1 axial flow blower of outer rotor using split fan blade, including outer rotor 1, outer rotor 1
Outside is equipped with split fan blade 2, and outer rotor 1 is fixedly connected with split fan blade 2；1 outside of outer rotor is equipped with fan blade connector 3, fan blade
Connector 3 includes mounting plane 31；2 two sides of split fan blade is all equipped with locating platform 21, and split fan blade 2 passes through fan blade connector 3
It is fixedly connected with outer rotor 1, mounting plane 31 is bonded to each other with 21 plane of locating platform.
Fan blade connector 3 is equipped with installation threaded hole 32；Locating platform 21 is equipped with mounting-positioning holes 211；Split fan blade 2
It is fixedly connected by the cooperation of bolt, mounting-positioning holes 211 and installation threaded hole 32 with fan blade connector 3.On fan blade connector 3
Equipped with installation groove 33, locating platform 21 is equipped with erecting bed 212, and the shape of installation groove 33 and erecting bed 212 matches, and pacifies
Dress platform 212 is inserted into 33 location fit of installation groove.Locating platform 21 is located at 2 root centre position of split fan blade.
Locating platform 21 is equipped with metal insert 22, and metal insert 22 is located at the center on 21 surface of locating platform.This
In embodiment, metal insert 22 be almag plate punch forming, thickness 3mm.Lead between fan blade connector 3 and outer rotor 1
It crosses welding to connect according to special angle, the special angle of 3 plane of fan blade connector and 1 axis of outer rotor is 60 °.
Erecting bed 212 outwardly protrudes the cladding boss 213 to be formed for pushing down metal insert 22, erecting bed 212 and cladding
Boss 213 is integrally formed.Folder between 21 plane of each side and locating platform of 21 flat face of erecting bed 212 and locating platform
120 ° of angle.When producing split fan blade 3, wind blade main body is first produced, then metal insert 22 is placed on precalculated position, is connect
It and is molded by erecting bed 212 and cladding boss 213.
The axial flow blower of the utility model reduces fan blade quality, reduces production process compared with steel plate welds wind turbine,
And improve the consistency of wind turbine.Compared with unitary plastics wind turbine, the technology difficulty of major diameter wind wheel production is reduced, is improved
The firmness and reliability of bound fraction.Compared with split cast aluminium wind turbine, the weight of wind turbine is reduced, alleviates bearing negative
Lotus reduces the unbalance mass, radix caused by geometry inequality, improves the reliability of wind turbine totality.
Embodiment 2
As shown in figure 5, in the present embodiment, metal insert 22 is not provided on split fan blade 2, split leaf main body is die casting aluminium
It is integrally formed.
Remaining is all same as Example 1.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (7)
1. including outer rotor (1), split wind is equipped on the outside of outer rotor (1) for a kind of external rotor axial-flow fan using split fan blade
Leaf (2), outer rotor (1) are fixedly connected with split fan blade (2)；It is characterized in that：Fan blade connector is equipped on the outside of outer rotor (1)
(3), fan blade connector (3) includes mounting plane (31)；Split fan blade (2) usable front panel and reverse panel is equipped with locating platform (21), installation
Plane (31) is bonded to each other with locating platform (21) plane, and split fan blade (2) is solid by fan blade connector (3) and outer rotor (1)
Fixed connection；Fan blade connector (3) is equipped with installation threaded hole (32)；Locating platform (21) is equipped with mounting-positioning holes (211)；Point
Body fan blade (2) passes through bolt, the cooperation of mounting-positioning holes (211) and installation threaded hole (32) and the fixed company of fan blade connector (3)
It connects.
2. a kind of external rotor axial-flow fan using split fan blade according to claim 1, it is characterised in that：Fan blade connects
Body (3) is equipped with installation groove (33), and locating platform (21) is equipped with erecting bed (212), installation groove (33) and erecting bed
(212) shape matches, and erecting bed (212) is inserted into installation groove (33) location fit.
3. a kind of external rotor axial-flow fan using split fan blade according to claim 2, it is characterised in that：Locating platform
(21) center on surface is fixed with metal insert (22), and metal insert (22) thickness is 1 to 3mm.
4. a kind of external rotor axial-flow fan using split fan blade according to claim 1, it is characterised in that：Locating platform
(21) positioned at split fan blade (2) root centre position.
5. a kind of external rotor axial-flow fan using split fan blade according to claim 1, it is characterised in that：Fan blade connects
It is integrally formed between body (3) and outer rotor (1) or is connect by welding with outer rotor (1) according to special angle, fan blade connection
Body (3) plane and ranging from 30 ° to 60 ° of the special angle of outer rotor (1) axis.
6. a kind of external rotor axial-flow fan using split fan blade according to claim 3, it is characterised in that：Erecting bed
(212) the cladding boss (213) to be formed for pushing down metal insert (22), erecting bed (212) and cladding boss are outwardly protruded
(213) it is integrally formed.
7. a kind of external rotor axial-flow fan using split fan blade according to claim 2, it is characterised in that：Erecting bed
(212) angular range between each side of locating platform (21) flat face and locating platform (21) plane for 90 ° extremely
150°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274560.1U CN207526755U (en) | 2017-09-30 | 2017-09-30 | A kind of external rotor axial-flow fan using split fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274560.1U CN207526755U (en) | 2017-09-30 | 2017-09-30 | A kind of external rotor axial-flow fan using split fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526755U true CN207526755U (en) | 2018-06-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274560.1U Active CN207526755U (en) | 2017-09-30 | 2017-09-30 | A kind of external rotor axial-flow fan using split fan blade |
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| CN (1) | CN207526755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701511A (en) * | 2017-09-30 | 2018-02-16 | 杭州顿力电器有限公司 | A kind of external rotor axial-flow fan using split fan blade |
-
2017
- 2017-09-30 CN CN201721274560.1U patent/CN207526755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701511A (en) * | 2017-09-30 | 2018-02-16 | 杭州顿力电器有限公司 | A kind of external rotor axial-flow fan using split fan blade |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Guojun Inventor after: Shao Yanwei Inventor after: Deng Wei Inventor after: Ma Mingtao Inventor before: Hu Guo Inventor before: Shao Yanwei Inventor before: Deng Wei Inventor before: Ma Mingtao |