CN201439764U - External rotor axial fan - Google Patents
External rotor axial fanDownload PDFInfo
- Publication number
- CN201439764U CN201439764UCN2009200617260UCN200920061726UCN201439764UCN 201439764 UCN201439764 UCN 201439764UCN 2009200617260 UCN2009200617260 UCN 2009200617260UCN 200920061726 UCN200920061726 UCN 200920061726UCN 201439764 UCN201439764 UCN 201439764U
- Authority
- CN
- China
- Prior art keywords
- installation foot
- ring
- rotor shaft
- axial
- shaped sleeve
- 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 - Lifetime
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Classifications
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Technical field:
The utility model relates to a kind of outer rotor shaft flow fan.
Background technique:
Conventional outer rotor shaft flow fan, wherein a kind of structure is: axial flow external rotor outer surface of outer cover directly welds air blade, and the locality of air blade welding requires high, needs higher welding procedure, the troublesome poeration inconvenience, the cost of production height, manufacturing efficiency is low; Another kind of structure also occurred on the market now, slot at axial flow external rotor outer surface of outer cover air blade is installed, but this mounting type has been not firm.
Summary of the invention:
The purpose of this utility model provides a kind of outer rotor shaft flow fan, and it is easy to assembly simple, the manufacturing efficiency height, and it is firm to connect, low cost of manufacture.
The purpose of this utility model is achieved by following technical proposals.
A kind of outer rotor shaft flow fan, comprise axial-flow leaf sheet, support and external rotor electric machine, it is characterized in that: support comprises ring-shaped sleeve and the some installation feet that stretch out from the ring-shaped sleeve outside, and the axial-flow leaf sheet is installed on the installation foot, and ring-shaped sleeve is sleeved on the rotor outside of external rotor electric machine.
Above-mentioned described ring-shaped sleeve can be integrated cylindrical shell, also can be the cylindrical shell by the machine shaping of opening ring bodies.
The inwall of above-mentioned annular casing jacket casing and rotor outer wall interference fit.
Have screw hole on the above-mentioned installation foot, the axial-flow leaf sheet can be installed on the installation foot by screw bolt and nut.
Have through hole on the above-mentioned described installation foot, the axial-flow leaf sheet can be by rivet to installation foot.
Above-mentioned described axial-flow leaf sheet can be installed on the installation foot by welding manner.
Above-mentioned described axial-flow leaf sheet is installed on the installation foot by the snapping mode.
Above-mentioned described ring-shaped sleeve and installation foot can cause an integral body, also can be divided into relatively independent two-part and couple together by welding, snapping or riveting process.
Be provided with outer bulge loop between above-mentioned described ring-shaped sleeve and the installation foot.
The utility model compared with prior art, have following effect: it utilizes the ring-shaped sleeve on the support to be sleeved on outside the rotor case of external rotor electric machine, and the inwall of annular casing jacket casing and rotor outer wall interference fit, assemble simple and convenient, it is firm to connect, the manufacturing efficiency height, less demanding to the workman, cost of production is low.Be provided with outer bulge loop between ring-shaped sleeve and the installation foot, can strengthen radial dimension, strength transmission is steady.
Description of drawings:
Fig. 1 is first kind of structural representation of the present utility model.
Fig. 2 is the C-C sectional view of Fig. 1.
Fig. 3 is second kind of structural representation of the present utility model.
Fig. 4 is the D-D sectional view of Fig. 3.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Extremely shown in Figure 2 as Fig. 1, a kind of outer rotor shaft flow fan, comprise axial-flow leaf sheet 1,support 2 and external rotorelectric machine 3,support 2 comprises ring-shaped sleeve 21 and the someinstallation feet 22 that stretch out from ring-shaped sleeve 21 outsides, axial-flow leaf sheet 1 is installed on theinstallation foot 22, be provided withouter bulge loop 23 between ring-shaped sleeve 21 and theinstallation foot 22, can strengthen radial dimension, and play the effect of the structural strength that strengthens installation foot 22.Ring-shaped sleeve 21 is sleeved onrotor 31 outsides of external rotorelectric machine 3, and the inwall of annular casing jacket casing and rotor outer wall interference fit.Ring-shaped sleeve 21 is integrated closed cylindrical shells.External rotor electric machine comprisesinner stator 32 andexternal rotor 31, can have screw hole on theinstallation foot 22, and axial-flow leaf sheet 1 can be installed on theinstallation foot 22 bybolt 41 and nut 42.Also can have through hole on theinstallation foot 22, axial-flow leaf sheet 1 can be by rivet to installation foot 22.Axial-flow leaf sheet 1 can be installed on theinstallation foot 22 by welding or snapping mode.
Ring-shaped sleeve 21 andinstallation foot 22 can cause an integral body, also can be divided into relatively independent two-part and couple together by welding, snapping or riveting process.
The utility model assembling is simple and convenient, and it is firm to connect, the manufacturing efficiency height, and less demanding to the workman, cost of production is low.
To shown in Figure 4, a kind of outer rotor shaft flow fan comprises axial-flow leaf sheet 1,support 2 and external rotorelectric machine 3 as Fig. 3, andsupport 2 comprises ring-shaped sleeve 21 and the someinstallation feet 22 that stretch out from ring-shaped sleeve 21 outsides, and axial-flow leaf sheet 1 is installed on the installation foot 22.Ring-shaped sleeve 21 is sleeved onrotor 31 outsides of external rotorelectric machine 3, and the inwall of annular casing jacket casing and rotor outer wall interference fit.Ring-shaped sleeve 21 is the cylindrical shells by the machine shaping of opening ring bodies, can the opening ring bodies be combined into enclosed cylindrical shell by modes such aslocking device 5 or welding.External rotor electric machine comprisesinner stator 32 andexternal rotor 31, can have screw hole on theinstallation foot 22, and axial-flow leaf sheet 1 can be installed on theinstallation foot 22 bybolt 41 and nut 42.Also can have through hole on theinstallation foot 22, axial-flow leaf sheet 1 can be by rivet to installation foot 22.Axial-flow leaf sheet 1 can be installed on theinstallation foot 22 by welding or snapping mode.
Ring-shaped sleeve 21 andinstallation foot 22 can cause an integral body, also can be divided into relatively independent two-part and couple together by welding, snapping or riveting process.
The utility model assembling is simple and convenient, and it is firm to connect, the manufacturing efficiency height, and less demanding to the workman, cost of production is low.
Claims (9)
1. outer rotor shaft flow fan, comprise axial-flow leaf sheet, support and external rotor electric machine, it is characterized in that: support comprises ring-shaped sleeve and the some installation feet that stretch out from the ring-shaped sleeve outside, and the axial-flow leaf sheet is installed on the installation foot, and ring-shaped sleeve is sleeved on the rotor outside of external rotor electric machine.
2. a kind of outer rotor shaft flow fan according to claim 1 is characterized in that: ring-shaped sleeve can be integrated cylindrical shell, also can be the cylindrical shell by the machine shaping of opening ring bodies.
3. a kind of outer rotor shaft flow fan according to claim 1 is characterized in that: the inwall of annular casing jacket casing and rotor outer wall interference fit.
4. a kind of outer rotor shaft flow fan according to claim 1 and 2 is characterized in that: have screw hole on the installation foot, the axial-flow leaf sheet is installed on the installation foot by screw bolt and nut.
5. a kind of outer rotor shaft flow fan according to claim 1 and 2 is characterized in that: have through hole on the installation foot, the axial-flow leaf sheet by rivet to installation foot.
6. a kind of outer rotor shaft flow fan according to claim 1 and 2, it is characterized in that: the axial-flow leaf sheet is installed on the installation foot by welding manner.
7. a kind of outer rotor shaft flow fan according to claim 1 and 2, it is characterized in that: the axial-flow leaf sheet is installed on the installation foot by the snapping mode.
8. a kind of outer rotor shaft flow fan according to claim 1 and 2, it is characterized in that: ring-shaped sleeve and installation foot can cause an integral body, also can be divided into relatively independent two-part and couple together by welding, snapping or riveting process.
9. according to claim 1 or 2 described a kind of outer rotor shaft flow fans, it is characterized in that: be provided with outer bulge loop between ring-shaped sleeve and the installation foot.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200617260UCN201439764U (en) | 2009-07-27 | 2009-07-27 | External rotor axial fan |
| US12/830,363US20110020121A1 (en) | 2009-07-27 | 2010-07-05 | Axial flow fan for external rotor |
| CA2710896ACA2710896C (en) | 2009-07-27 | 2010-07-22 | Axial flow fan for external rotor |
| MX2010008159AMX2010008159A (en) | 2009-07-27 | 2010-07-26 | Axial flow fan for external rotor. |
| US14/792,581US10132321B2 (en) | 2009-07-27 | 2015-07-06 | Fan system having an external rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200617260UCN201439764U (en) | 2009-07-27 | 2009-07-27 | External rotor axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439764Utrue CN201439764U (en) | 2010-04-21 |
Family
ID=42544434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200617260UExpired - LifetimeCN201439764U (en) | 2009-07-27 | 2009-07-27 | External rotor axial fan |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110020121A1 (en) |
| CN (1) | CN201439764U (en) |
| CA (1) | CA2710896C (en) |
| MX (1) | MX2010008159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588310A (en)* | 2012-03-07 | 2012-07-18 | 台州市格贝尔机电有限公司 | Stepless speed-regulation fan with external-rotor motor |
| CN105637227A (en)* | 2014-06-24 | 2016-06-01 | Tlt-涡轮有限公司 | Impeller for axial fans |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211258879U (en)* | 2018-08-15 | 2020-08-14 | 熵零技术逻辑工程院集团股份有限公司 | Fan |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2451970A (en)* | 1945-03-03 | 1948-10-19 | Vornado Trust | Mounting for fan assemblies |
| US2681708A (en)* | 1950-09-01 | 1954-06-22 | Gail E Mix | Fan construction |
| US3969805A (en)* | 1974-12-23 | 1976-07-20 | The Trane Company | Method of constructing an axial flow fan |
| US4597555A (en)* | 1983-09-02 | 1986-07-01 | Franklin Electric Co., Inc. | Electric motor mount |
| GB8507623D0 (en)* | 1985-03-23 | 1985-05-01 | Smiths Industries Plc | Fans |
| DE202004010088U1 (en)* | 2004-06-25 | 2004-09-09 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Impeller, in particular for an axial fan |
| DE202006011899U1 (en)* | 2006-08-03 | 2007-12-13 | Ebm-Papst Mulfingen Gmbh & Co. Kg | fan wheel |
| US8672649B2 (en)* | 2007-10-10 | 2014-03-18 | Delta T Corporation | Ceiling fan system with brushless motor |
- 2009
- 2009-07-27CNCN2009200617260Upatent/CN201439764U/ennot_activeExpired - Lifetime
- 2010
- 2010-07-05USUS12/830,363patent/US20110020121A1/ennot_activeAbandoned
- 2010-07-22CACA2710896Apatent/CA2710896C/enactiveActive
- 2010-07-26MXMX2010008159Apatent/MX2010008159A/enactiveIP Right Grant
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588310A (en)* | 2012-03-07 | 2012-07-18 | 台州市格贝尔机电有限公司 | Stepless speed-regulation fan with external-rotor motor |
| CN105637227A (en)* | 2014-06-24 | 2016-06-01 | Tlt-涡轮有限公司 | Impeller for axial fans |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110020121A1 (en) | 2011-01-27 |
| CA2710896C (en) | 2015-11-03 |
| CA2710896A1 (en) | 2011-01-27 |
| MX2010008159A (en) | 2011-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term | Granted publication date:20100421 |