CN205791897U - Double shaft-extension external rotor electric machine and apply its blower fan - Google Patents
Double shaft-extension external rotor electric machine and apply its blower fan Download PDFInfo
- Publication number
- CN205791897U CN205791897U CN201620410649.5U CN201620410649U CN205791897U CN 205791897 U CN205791897 U CN 205791897U CN 201620410649 U CN201620410649 U CN 201620410649U CN 205791897 U CN205791897 U CN 205791897U
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- electric machine
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- axle
- rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
nullDouble shaft-extension external rotor electric machine and apply its blower fan，Described includes stator module (1)、Outer rotor component (2) and installation axle (3)，Rotor case includes the sidewall (21) of tubular and is positioned at the end plate (22) of sidewall (21) one end，Some installation feet (23) are circumferentially stretched out outside rotor case，Some installation feet (23) are in same installed surface，It is provided with bearing block (24) in the middle of the end plate (22) of rotor case，Clutch shaft bearing room (241) and the second bearing chamber (242) are set on bearing block (24)，Axle (3) middle part is installed be arranged on the bearing (4) of clutch shaft bearing room (241) and the second bearing chamber (242)，It is characterized in that: the installed surface residing for some installation feet (23) is positioned between clutch shaft bearing room (241) and the second bearing chamber (242)，Installing plate (9) in the middle of the wind wheel (7) of spiral case (6) the inside is installed with some installation feet (23) in rotor case (2) outside and is connected，Its distribution of force more equalizes，Bearing operation is effectively ensured，Reduce noise，Increase the service life.
Description
Technical field:
This utility model relates to Double shaft-extension external rotor electric machine and applies its blower fan.
Background technology:
nullAt present，It is used for driving the Double shaft-extension external rotor electric machine of wind wheel，Its structure is as shown in Figure 1，Including stator module A1、Rotor assembly A2、Axle A3 is installed、Installation foot A4、Bearing block A5 and bearing A6，Rotor assembly A2 includes rotor case A21 and permanent magnet A22，Rotor case A21 includes the sidewall (not having to indicate) of tubular and is positioned at the end plate A23 of sidewall one end，Wherein the internal face of rotor case A21 sidewall is provided with permanent magnet A22，Installation foot A4 (or mounting ring) is circumferentially stretched out outside rotor case A21，Bearing block A5 is set in the middle of the end plate A23 of rotor case A21，Inside bearing block A5, two bearings A6 is installed at interval，Install and be sleeved on bearing A6 in the middle part of axle A3，Installing plate in the middle part of wind wheel is installed together with installation foot A4，It designs and all there is some problems: 1) owing to rotor case A21 is supported on installation axle A3 by the bearing block A5 on the end plate A23 of one end，Owing to bearing block A5 props up on carrying installation axle A3 by the bearing A6 at two intervals，The installed surface residing for installation foot A4 of rotor case A21 is not positioned in the middle of two bearings A6，The problem causing there is discontinuity equalization，Affect bearing life，Thus affect working life and the even running of motor.2) wind wheel transfers force to two bearing A6 by installation foot A4, the sidewall of tubular, end plate A23, bearing block A5, and bearing block A5 is positioned at the side of the end plate A23 of rotor case, makes discontinuity equalization, affects the service life of bearing；3) axial dimension of whole motor is excessive, affects the air intake of blower fan；4) radiator structure of motor is the best, and radiating effect is poor.
Summary of the invention:
The purpose of this utility model is to provide a kind of Double shaft-extension external rotor electric machine and applies its blower fan, and its distribution of force more equalizes, and bearing operation is effectively ensured, and reduces noise, increases the service life.
The purpose of this utility model is achieved by following technical proposals:
nullA kind of Double shaft-extension external rotor electric machine，Including stator module、Outer rotor component and installation axle，Stator module is fixed on the middle part installing axle，Outer rotor component is sleeved on outside stator module and can rotate around installing axle，The two ends installing axle extend out from end stator assembly and rotor assembly respectively，Described outer rotor component includes rotor case、Bearing、Permanent magnet，Rotor case includes the sidewall of tubular and is positioned at the end plate of sidewall one end，Wherein the internal face of rotor case sidewall is provided with permanent magnet，Some installation feet are circumferentially stretched out outside rotor case，Some installation feet are in same installed surface，It is provided with bearing block in the middle of the end plate of rotor case，Clutch shaft bearing room and the second bearing chamber are set on bearing block，Clutch shaft bearing room and the second bearing chamber axially spaced-apart come，Bearing is installed inside clutch shaft bearing room and the second bearing chamber，Install and be arranged on the bearing of clutch shaft bearing room and the second bearing chamber in the middle part of axle，It is characterized in that: the installed surface residing for some installation feet is between clutch shaft bearing room and the second bearing chamber.
The installed surface that some installation feet described above are in overlaps with end plate, and clutch shaft bearing room and the second bearing chamber lay respectively at end plate both sides.
Clutch shaft bearing room described above and the second bearing chamber are symmetrically disposed in end plate both sides.
Stator module described above includes stator core and coil windings, several teeth are set outside stator core, intermediate formation centre bore and through hole, axle is installed and is inserted into inside centre bore, it is through hole in the side of centre bore, the radius of through hole is more than centre bore radius, in order to form cavity between axle and through-hole wall installing, and the split bearing seat being positioned at end plate side embeds inside cavity.
Arranging several air vents on end plate described above, air vent is circumferentially spaced.
Arranging several reinforcements on end plate described above, some reinforcements enclose circumferentially-spaced distribution around clutch shaft bearing outdoor.
Installation axle described above is provided with baffle plate, and baffle plate is positioned at the side of stator module and relative with end plate.
Several louvres circumferentially arranged on baffle plate described above.
The outer rim of baffle plate described above arranges the rake that oriented rotor case direction tilts, and baffle plate is provided with line outlet.
Being inlaid with the yoke portion of magnetic conduction inside the sidewall of rotor case described above, permanent magnet is arranged in yoke portion.
A kind of blower fan, including spiral case, wind wheel, motor and electric machine support, spiral case two ends form air inlet, at the air outlet that the sidewall of spiral case is formed, electric machine support is set in the position of air inlet, it is characterised in that: described motor is external rotor electric machine described in claim 1 to 9 any one, electric machine support outer end is arranged on spiral case, electric machine support the inner is installed supporting and is installed one end of axle, and wind wheel is positioned at inside spiral case, and the installing plate in the middle of wind wheel is installed with some installation feet on edge outside rotor case and is connected.
This utility model compared with prior art, has the effect that
1) outside rotor case, some installation feet are circumferentially stretched out, some installation feet are in same installed surface, it is provided with bearing block in the middle of the end plate of rotor case, installed surface residing for some installation feet is between clutch shaft bearing room and the second bearing chamber, make distribution of force more uniform, advantageously ensure that bearing operation, reduce noise, extend motor service life.
2) installed surface that some installation feet are in overlaps with end plate, clutch shaft bearing room and the second bearing chamber lay respectively at end plate both sides, and clutch shaft bearing room and the second bearing chamber are symmetrically disposed in end plate both sides, end plate is as the critical component of stress, clutch shaft bearing room and the second bearing chamber are laid respectively at end plate both sides, beneficially distribution of force more uniform, advantageously ensure that bearing operation, reduce noise, extend motor service life.
3) stator core intermediate formation centre bore and through hole, installing axle and be inserted into inside centre bore, be through hole in the side of centre bore, the radius of through hole is more than centre bore radius, to form cavity between axle and through-hole wall installing, the split bearing seat of end plate side is made to embed inside cavity；Make motor flattening, reduce volume.4) arranging several air vents on end plate, air vent is circumferentially spaced, installs axle and is provided with baffle plate, and baffle plate is positioned at the side of stator module and relative with end plate, several louvres circumferentially arranged on baffle plate；So can form axial air-flow, stator module is dispelled the heat.
5) several reinforcements are set on end plate, some reinforcements enclose circumferentially-spaced distribution around clutch shaft bearing outdoor, reinforcement is in addition to having the structural strength reinforcing end plate, also correspond to one group of fan blade, produce the effect of axially blowing, making air-flow louvre from baffle plate flow through stator module, finally the air vent from end plate flows out.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of existing Double shaft-extension external rotor electric machine；
Fig. 2 is the axonometric chart of an angle of the present utility model；
Fig. 3 is the axonometric chart of another angle of the present utility model；
Fig. 4 is front view of the present utility model；
Fig. 5 is the A-A sectional view of Fig. 4；
Fig. 6 is three-dimensional exploded view of the present utility model；
Fig. 7 is the top view of rotor assembly of the present utility model；
Fig. 8 is the sectional view of the B-B of Fig. 7；
Fig. 9 is the axonometric chart of stator core in stator module of the present utility model；
Figure 10 is the assembling stereogram of stator core of the present utility model and rotating shaft；
Figure 11 is the schematic perspective view of a kind of blower fan in embodiment；
Figure 12 is the front view of a kind of blower fan in embodiment；
Figure 13 is the sectional view of the C-C of Figure 10；
Detailed description of the invention:
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
nullEmbodiment one: such as Fig. 2、Fig. 3、Fig. 4、Fig. 5、Fig. 6、Shown in Fig. 7 and Fig. 8，The present embodiment is Double shaft-extension external rotor electric machine，Including stator module 1、Outer rotor component 2 and installation axle 3，Stator module 1 is fixed on the middle part installing axle 3，Outer rotor component 2 is sleeved on outside stator module 1 and can rotate around installing axle 3，The two ends installing axle 3 extend out from the end of stator module 1 and outer rotor component 2 respectively，Described outer rotor component 2 includes rotor case and permanent magnet 25，Rotor case includes the sidewall 21 of tubular and is positioned at the end plate 22 of sidewall one end，Wherein the internal face of rotor case sidewall 21 is provided with permanent magnet 25，Some installation feet 23 are circumferentially stretched out outside rotor case，Some installation feet 23 are in same installed surface，It is provided with bearing block 24 in the middle of the end plate 22 of rotor case，Clutch shaft bearing room 241 and the second bearing chamber 242 are set on bearing block 24，Clutch shaft bearing room 241 and the second bearing chamber 242 axially spaced-apart come，Inside clutch shaft bearing room 241 and the second bearing chamber 242, bearing 4 is installed，Install and be arranged on the bearing 4 of clutch shaft bearing room 241 and the second bearing chamber 242 in the middle part of axle 3，Installed surface 100 residing for some installation feet 23 is between clutch shaft bearing room 241 and the second bearing chamber 242.Being inlaid with the yoke portion of magnetic conduction inside the sidewall of rotor case, permanent magnet 25 is arranged in yoke portion.The installed surface 100 that some installation feet 23 are in overlaps with end plate 22, and clutch shaft bearing room 241 and the second bearing chamber 242 lay respectively at end plate 22 both sides.Certainly, optimal situation is clutch shaft bearing room 241 and the second bearing chamber 242 is symmetrically disposed in end plate 22 both sides.
As shown in Fig. 5, Fig. 9 and Figure 10, described stator module 1 includes stator core 10 and coil windings, several teeth are set outside stator core 10, intermediate formation centre bore 11 and through hole 12, axle 3 is installed and is inserted into inside centre bore 11, it is through hole 12 in the side of centre bore 11, the radius of through hole 12 is more than centre bore 11 radius, to form cavity 13 between axle 3 and through hole 12 inwall installing, the split bearing seat 24 being positioned at end plate 22 side embeds inside cavity 13, make motor flattening, reduce motor volume.
Arranging several air vents 222 on end plate 22, air vent 222 is circumferentially spaced, and end plate 22 arranges several reinforcements 221, and some reinforcements 221 are peripheral circumferentially-spaced distribution around clutch shaft bearing room 241.Being provided with baffle plate 5 installing axle 3, baffle plate 5 is positioned at the side of stator module 1 and relative with end plate 22.
Several louvres 51 circumferentially arranged on baffle plate 5.
The outer rim of baffle plate 5 arranges the rake 42 that oriented rotor case direction tilts, and baffle plate 5 is provided with line outlet 53, and the lead-out wire of stator module 1 passes from line outlet 53.
Being inlaid with the yoke portion 211 of magnetic conduction inside the sidewall 21 of rotor case, permanent magnet 25 is arranged in yoke portion, and rotor case is side aluminium diecasting, and the yoke portion 211 of magnetic conduction is embedded into when die casting inside the sidewall 21 of rotor case.
Embodiment two: embodiment two of the present utility model is a kind of blower fan, as shown in Figure 11, Figure 12, Figure 13, including spiral case 6, wind wheel 7, motor and electric machine support 8, spiral case 6 two ends form air inlet, at the air outlet that the sidewall of spiral case 6 is formed, in the position of air inlet, electric machine support 8 is set, electric machine support 8 outer end is arranged on spiral case 6, the inner one end installing supporting installation axle 3 of electric machine support 8, wind wheel 4 is positioned at inside spiral case 6, and the installing plate 9 in the middle of wind wheel 7 is installed with the some installation feet 23 outside rotor case 2 and is connected.Described motor uses the external rotor electric machine described in embodiment one.
Above example is the better embodiment of the present invention; but embodiments of the present invention are not limited to this; the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify; it is the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (11)
- null1. Double shaft-extension external rotor electric machine，Including stator module (1)、Outer rotor component (2) and installation axle (3)，Stator module (1) is fixed on the middle part installing axle (3)，Outer rotor component (2) is sleeved on stator module (1) outside and can rotate around installing axle (3)，The two ends installing axle (3) extend out from the end of stator module (1) and outer rotor component (2) respectively，Described outer rotor component (2) includes rotor case and permanent magnet (25)，Rotor case includes the sidewall (21) of tubular and is positioned at the end plate (22) of sidewall (21) one end，Wherein the internal face of rotor case sidewall (21) is provided with permanent magnet (25)，Some installation feet (23) are circumferentially stretched out outside rotor case，Some installation feet (23) are in same installed surface，It is provided with bearing block (24) in the middle of the end plate (22) of rotor case，Clutch shaft bearing room (241) and the second bearing chamber (242) are set on bearing block (24)，Clutch shaft bearing room (241) and the second bearing chamber (242) axially spaced-apart come，Clutch shaft bearing room (241) and the second bearing chamber (242) the inside are provided with bearing (4)，Axle (3) middle part is installed be arranged on the bearing (4) of clutch shaft bearing room (241) and the second bearing chamber (242)，It is characterized in that: the installed surface residing for some installation feet (23) is positioned between clutch shaft bearing room (241) and the second bearing chamber (242).
- Double shaft-extension external rotor electric machine the most according to claim 1, it is characterized in that: the installed surface (100) that some installation feet (23) are in overlaps with end plate (22), clutch shaft bearing room (241) and the second bearing chamber (242) lay respectively at end plate (22) both sides.
- Double shaft-extension external rotor electric machine the most according to claim 2, it is characterised in that: clutch shaft bearing room (241) and the second bearing chamber (242) are symmetrically disposed in end plate (22) both sides.
- 4. according to the Double shaft-extension external rotor electric machine described in claim 1 or 2 or 3, it is characterized in that: described stator module (1) includes stator core (10) and coil windings, stator core (10) outside arranges several teeth, intermediate formation centre bore (11) and through hole (12), axle (3) is installed and is inserted into centre bore (11) the inside, it is through hole (12) in the side of centre bore (11), the radius of through hole (12) is more than centre bore (11) radius, to form cavity (13) between axle (3) and through hole (12) inwall installing, the split bearing seat (24) being positioned at end plate (22) side embeds cavity (13) the inside.
- Double shaft-extension external rotor electric machine the most according to claim 4, it is characterised in that: arranging several air vents (222) on end plate (22), air vent (222) is circumferentially spaced.
- Double shaft-extension external rotor electric machine the most according to claim 4, it is characterized in that: arrange several reinforcements (221) on end plate (22), some reinforcements (221) are around clutch shaft bearing room (241) peripheral circumferentially-spaced distribution.
- Double shaft-extension external rotor electric machine the most according to claim 4, it is characterized in that: being provided with baffle plate (5) installing axle (3), baffle plate (5) is positioned at the side of stator module (1) and relative with end plate (22).
- Double shaft-extension external rotor electric machine the most according to claim 7, it is characterised in that: upper circumferentially arranged several louvres (51) of baffle plate (5).
- Double shaft-extension external rotor electric machine the most according to claim 8, it is characterised in that: the outer rim of baffle plate (5) arranges the rake (52) that oriented rotor case direction tilts, and baffle plate (5) is provided with line outlet (53).
- 10. according to the Double shaft-extension external rotor electric machine described in claim 1 or 2 or 3, it is characterised in that: being inlaid with the yoke portion (211) of magnetic conduction inside the sidewall of rotor case, permanent magnet (25) is arranged in yoke portion (211).
- 11. 1 kinds of blower fans, including spiral case (6), wind wheel (7), motor and electric machine support (8), spiral case (6) two ends form air inlet, at the air outlet that the sidewall of spiral case (6) is formed, electric machine support (8) is set in the position of air inlet, it is characterized in that: described motor is external rotor electric machine described in claim 1 to 9 any one, electric machine support (8) outer end is arranged on spiral case (6), the inner one end installing supporting installation axle (3) of electric machine support (8), wind wheel (7) is positioned at spiral case (6) the inside, installing plate (9) in the middle of wind wheel (7) is installed with some installation feet (23) on edge outside rotor case and is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410649.5U CN205791897U (en) | 2016-05-09 | 2016-05-09 | Double shaft-extension external rotor electric machine and apply its blower fan |
| PCT/CN2016/098491 WO2017193513A1 (en) | 2016-05-09 | 2016-09-08 | Outer-rotor motor provided with extending dual shafts, and fan using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410649.5U CN205791897U (en) | 2016-05-09 | 2016-05-09 | Double shaft-extension external rotor electric machine and apply its blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791897U true CN205791897U (en) | 2016-12-07 |
Family
ID=57411458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620410649.5U Active CN205791897U (en) | 2016-05-09 | 2016-05-09 | Double shaft-extension external rotor electric machine and apply its blower fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205791897U (en) |
| WO (1) | WO2017193513A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107518A (en) * | 2019-05-10 | 2019-08-09 | 仪坤动力科技（上海）有限公司 | Blade and outer rotor integral fan |
| CN110224569A (en) * | 2019-05-10 | 2019-09-10 | 上海晶丰明源半导体股份有限公司 | A kind of 14 pole, 12 slot low noise variable-frequency motor of ceiling fan |
| WO2019222930A1 (en) * | 2018-05-22 | 2019-11-28 | 江苏荣邦机械制造有限公司 | Rail transit vehicle air-conditioning fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209828A (en) * | 1999-01-13 | 2000-07-28 | Kokusan Denki Co Ltd | Outer rotor type permanent magnet rotating machine |
| CN204231044U (en) * | 2014-09-17 | 2015-03-25 | 湖南三人能源科技股份有限公司 | External-rotor-type gentle breeze-driven generator structure |
| CN104539131B (en) * | 2014-12-15 | 2017-07-21 | 深圳市凯旸电机有限公司 | A kind of outer rotor servomotor and its control method applied to balance car |
| CN204615532U (en) * | 2015-04-30 | 2015-09-02 | 中山大洋电机股份有限公司 | A kind of outer-rotor structure of motor and the external rotor electric machine of application thereof |
| CN204733056U (en) * | 2015-06-15 | 2015-10-28 | 中山大洋电机股份有限公司 | The blower fan of a kind of DC brushless outer rotor motor and application thereof |
-
2016
- 2016-05-09 CN CN201620410649.5U patent/CN205791897U/en active Active
- 2016-09-08 WO PCT/CN2016/098491 patent/WO2017193513A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019222930A1 (en) * | 2018-05-22 | 2019-11-28 | 江苏荣邦机械制造有限公司 | Rail transit vehicle air-conditioning fan |
| CN110107518A (en) * | 2019-05-10 | 2019-08-09 | 仪坤动力科技（上海）有限公司 | Blade and outer rotor integral fan |
| CN110224569A (en) * | 2019-05-10 | 2019-09-10 | 上海晶丰明源半导体股份有限公司 | A kind of 14 pole, 12 slot low noise variable-frequency motor of ceiling fan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017193513A1 (en) | 2017-11-16 |
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| GR01 | Patent grant |