CN104467261B - Electric machine assembly and the range hood with it - Google Patents
Electric machine assembly and the range hood with it Download PDFInfo
- Publication number
- CN104467261B CN104467261B CN201310430846.4A CN201310430846A CN104467261B CN 104467261 B CN104467261 B CN 104467261B CN 201310430846 A CN201310430846 A CN 201310430846A CN 104467261 B CN104467261 B CN 104467261B
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- electric machine
- machine assembly
- motor
- flange
- support
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of electric machine assembly and the range hood with the electric machine assembly.The electric machine assembly includes：Motor, the motor includes main body and the flange extended radially outwardly from the main body；Support, the support is set on the outer surface of the motor and positioned at the axial side of the flange；Pressing plate, the pressing plate is set on the outer surface of the motor and positioned at the axial opposite side of the flange；And beam, the beam is coated on the flange of the motor, and the axial both side surface of the beam is contacted with the support and the pressing plate respectively.Vibration along motor axially with radial direction can simultaneously effective be reduced according to the electric machine assembly of the present invention, method is simply and readily implemented, and manufacturing cost is low, and noise is low.
Description
Technical field
The present invention relates to household appliances field, more particularly, to a kind of electric machine assembly and the range hood with it.
Background technology
Oil-fume exhauster product has become indispensable home appliance in kitchen appliance.Core drive in range hood
System is the blower fan system of motor and impeller composition, and wherein motor can produce shaking parallel to axial direction under electromagnetic force in itself
Dynamic excitation, causes the part that is connected with motor along motor axial vibration；It is confined to the impeller accuracy of manufacture and assembling simultaneously
The influence of precision, is present because the dynamic balancing of system is bad, and the periodic vibration along impeller radius direction of appearance is encouraged, and is caused
The radial vibration for the range hood miscellaneous part being connected with electric motor with vane wheel.
Existing range hood is in order to solve the above problems, it will usually one layer of rubber of pad between motor and mounting bracket
Beam, but this common Rubber shock-absorbing pad can only weaken the vibration of axial direction caused by motor, and for radial direction
Vibration can not produce cushioning effect.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
Therefore, the present invention needs to provide a kind of electric machine assembly, the electric machine assembly can be reduced simultaneously effective along motor shaft
To the vibration with radial direction, method is simply and readily implemented, and manufacturing cost is low, and noise is low.
It is another object of the present invention to propose a kind of range hood with the electric machine assembly.
Electric machine assembly according to a first aspect of the present invention includes：Motor, the motor includes main body and from the main body
The flange extended radially outwardly；Support, the support is set on the outer surface of the motor and positioned at the flange
Axial side；Pressing plate, the pressing plate is set on the outer surface of the motor and positioned at the axial opposite side of the flange；With
And beam, the beam is coated on the flange of the motor, the axial both side surface difference of the beam
Contacted with the support and the pressing plate.
Electric machine assembly according to embodiments of the present invention, by the way that beam is coated on the flange of motor, so, works as electricity
Machine is along during its axial vibration, and beam axial direction two sides are only against on support and pressing plate respectively, to absorb the energy of vibration, are reduced
The transmission of vibrational energy in axial direction.When due to dynamic equilibrium problems radial vibration occurs for the impeller being connected with motor, damping
Pad can absorb the energy of radial vibration again, reduce the transmission of radial vibration, and because vibrational energy is absorbed, so as to
Reduce vibrating noise.By set the beam that can be coated on the flange of motor both can and meanwhile reduce motor vertically and
Vibration in the radial direction, method is simply and readily implemented, and manufacturing cost is low, and noise is low.
In addition, can also have following additional technical feature according to the electric machine assembly of the present invention：
According to one embodiment of present invention, respectively it is formed with the axial both side surface of the beam convex vertically
The protuberance gone out, the protuberance of the beam both sides is contacted with the support and the pressing plate respectively.It is possible thereby to carry
High beam and support and the contact stabilization of pressing plate.
According to one embodiment of present invention, the protuberance is configured in the electric machine assembly be compressed by naturally
When decrement be less than 0.2 times of its own height Gt.
According to one embodiment of present invention, the protuberance be multiple convex closures, and respectively circumferentially with radially uniform point
Cloth.It is possible thereby to improve beam and support and the contact stabilization of pressing plate.
According to one embodiment of present invention, the protuberance is multiple ring ribs, and the multiple ring rib is along footpath
To distribution.It is possible thereby to improve beam and support and the contact stabilization of pressing plate.
According to one embodiment of present invention, the support, the flange, the pressing plate and the beam pass through spiral shell
Nail connection, the electric machine assembly further comprises：Sleeve, the sleeve is set in the smooth bar part of the screw and described in
Pressing plate, the beam and the flange.
By setting sleeve, so as to which when radial vibration occurs for motor, the energy of radial vibration is absorbed using the sleeve
Amount, further improves the damping effect of whole electric machine assembly.
According to one embodiment of present invention, the height Ht of the sleeve, the thickness Hf of the flange, the beam
Thickness Hj, the height Gt of the protuberance and the length Hg of the smooth bar part meet following relational expression：Hf+Hj/2 ＜ Ht
＜ Hj-Gt；Hg ＞ Hj-Gt × 2.
According to one embodiment of present invention, it is formed with what is passed through for the screw and the sleeve on the beam
Through hole, the diameter Dt of the through hole is more than the outer diameter D w of the sleeve.
According to one embodiment of present invention, the support includes：Ring body, the ring body is set in the electricity
On the outer surface of machine；Installing plate, the periphery of the installing plate from the ring body stretches out.
Range hood according to a second aspect of the present invention includes：Spiral case；Described group of motors according to a first aspect of the present invention
Part, wherein the support is fixed on the spiral case；And impeller, the impeller is located at motor described in the electric machine assembly
On motor shaft.
It can reduce motor shaking on direction both axially and radially because electric machine assembly according to embodiments of the present invention has
Dynamic advantage, so that range hood according to embodiments of the present invention is by setting the electric machine assembly, product small with vibrating noise
The good advantage of performance.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the stereogram of electric machine assembly according to embodiments of the present invention；
Fig. 2 is the sectional view of the electric machine assembly shown in Fig. 1；
Fig. 3 is the enlarged drawing of a-quadrant in Fig. 2；
Fig. 4 is the stereogram of the beam of the electric machine assembly shown in Fig. 1；
Fig. 5 is the stereogram of the support of the electric machine assembly shown in Fig. 1；
Fig. 6 is the structural representation that electric machine assembly shown in Fig. 1 is installed on spiral case；
Fig. 7 is the electric machine assembly and spiral case, the explosive view of impeller shown in Fig. 1；
Fig. 8 is the front view of the beam of the electric machine assembly shown in Fig. 1；
Fig. 9 is the sectional view along line B-B in Fig. 8；
Figure 10 is the sectional view of the sleeve of the electric machine assembly shown in Fig. 1；
Figure 11 is the front view of the screw in the electric machine assembly shown in Fig. 1.
Description of reference numerals
Electric machine assembly 10；
Motor 1；Main body 11；Flange 12：Motor shaft 13；
Support 2；Ring body 21；Installing plate 22；Through hole 23 on ring body 21；
Pressing plate 3；
Beam 4；Convex closure 41；Recess 42；Breach 43；Through hole 44 on beam 4；
Screw 5；The smooth bar part 51 of screw 5；
Sleeve 6；
Spiral case 20；Impeller 30.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that the orientation of instruction or the term of position relationship is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of the present invention
System.In the description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be to be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or two elements
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The electric machine assembly 10 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 3.Below will be with motor
Component 10 is used to be described exemplified by range hood, certainly, persons of ordinary skill in the art may appreciate that the electricity of the present invention
Thermomechanical components 10 can be also used in other equipment, such as air conditioner, electric fan.
Electric machine assembly 10 according to embodiments of the present invention includes：Motor 1, support 2, pressing plate 3 and beam 4.It is worth explanation
, in range hood, impeller 30 is connected with the motor shaft 13 of motor 1 in electric machine assembly 10, motor 1 is passed through motor shaft 13
Impeller 30 is rotated, and motor 1 is fixed on spiral case 20, and wherein the part will be described in detail in content later.
As shown in Figures 2 and 3, motor 1 includes main body 11 and the flange 12 extended radially outwardly from main body 11, specifically
Ground, the flange 12 is set for the outer surface of main body 11 of annular and wound motor 1.Support 2 be set on the outer surface of motor 1 and
Such as support 2 is located at the axial side of flange 12, shown in Fig. 3, and support 2 is located at the rear side of flange 12.Pressing plate 3 is set in
On the outer surface of motor 1 and pressing plate 3 be located at flange 12 axial opposite side, such as shown in Fig. 3, pressing plate 3 be located at flange 12
Front side.Wherein, axial direction is the fore-and-aft direction in Fig. 1-Fig. 3, and correspondingly, radial direction is perpendicular to axial direction.
Beam 4 is coated on the flange 12 of motor 1, and as shown in Fig. 4, Fig. 8 and Fig. 9, beam 4 is annular, and
It has certain thickness, has the recess 42 caved inward on the internal diameter of beam 4, as shown in Figure 3 and Figure 4, recessed
Portion 42 is also configured as annular, and flange 12 can be contained in the recess 42, beam 4 is coated on the method for motor 1
On blue side 12, so, beam 4 can absorb the vibrational energy of motor 1 radially.Wherein, the axial both sides of beam 4
Surface is contacted with support 2 and pressing plate 3 respectively, and thus beam 4 can absorb the vibrational energy of motor 1 in axial direction.
Electric machine assembly 10 according to embodiments of the present invention, by the way that beam 4 is coated on the flange 12 of motor 1, this
Sample, when motor 1 is along during its axial vibration, the axial both side surface of beam 4 Zhi be against on support 2 and pressing plate 3, shaken with absorbing
Dynamic energy, reduces the transmission of vibrational energy in axial direction.When the impeller 30 being connected with motor 1 because dynamic equilibrium problems occur
During radial vibration, beam 4 can absorb the energy of radial vibration again, reduce the transmission of radial vibration, and due to vibrational energy
Amount is absorbed, so as to reduce vibrating noise.By having set the beam 4 that can be coated on the flange 12 of motor 1 both
Vibration of the motor 1 both axially and radially on direction can be reduced simultaneously, method is simply and readily implemented, and assembly cost is low, and noise is low.
Advantageously, as shown in Figure 3 and Figure 4, respectively it is formed with the axial both side surface of beam 4 axially projecting
Protuberance, the protuberance of the axial both sides of beam 4 is contacted with support 2 and pressing plate 3 respectively, by setting the protuberance, can be with
The axial both sides of beam 4 are made to be in close contact respectively with support 2 and pressing plate 3, damping effect is more preferable.Advantageously, protuberance one
Formed on the axial two sides of beam 4, be thus conducive to improving the structural strength and structural stability of beam 4.
In some optional embodiments of the present invention, protuberance on beam 4 is multiple convex closures 41, and multiple convex closures
41 respectively circumferentially with radially uniform distribution.Example as shown in Figure 4, multiple convex closures 41 are evenly distributed on the axial direction of beam 4
On the surface of both sides, it is possible thereby to improve beam 4 and support 2 and the contact stabilization of pressing plate 3.
In other optional embodiments of the present invention, protuberance is multiple ring ribs, and multiple ring ribs are along footpath
To distribution（It is not shown）.In other words, protuberance is ring rib, and ring rib is circumferentially disposed around beam 4, and the annular
Raised line gradually increases for the diameter of multiple and multiple ring ribs, and radially inside outwards setting from beam 4 successively, by
This can improve beam 4 and support 2 and the contact stabilization of pressing plate 3.
In addition, protuberance can also be multiple raised lines radially extended, multiple raised lines are circumferentially distributed（It is not shown）.
In other words, protuberance can be the raised line radially extended, and raised line is multiple and circumferentially in increased radioactivity, it is possible thereby to
Improve beam 4 and support 2 and the contact stabilization of pressing plate 3.
Advantageously, beam 4 is elastic component, for example, can be rubber parts, beam 4 is had compressible, absorption
The measured advantage of vibrational energy.Wherein, it is formed with annular beam 4 and avoids motor end cap attachment screw about 1（It is not shown
Go out）Breach 43.Wherein, the internal diameter of annular beam 4 is conducive to installing slightly larger than the diameter of the outer surface of main body 11 of motor 1,
And the external diameter of beam 4 is more than or equal to the external profile diameter of the flange 12 of motor 1.
As shown in figure 9, protuberance is configured in electric machine assembly be less than its own by decrement when compressing naturally
0.2 times of height Gt.That is, the height Gt of protuberance is met, the vertical deadweight after the installation such as motor 1, impeller 30, top pressure
When on protuberance, the natural decrement of protuberance is less than 0.2 times of its own height Gt, it is possible thereby to make protuberance for subtracting
Shake support, the validity of top pressure of the support 2 and pressing plate 3 of the axial both sides of pad 4.Wherein, the natural decrement of protuberance is less than it
0.2 times of oneself height Gt, can be reached by the design of manufacture material, the planform of protuberance to beam 4 etc.
The purpose.
Specifically, support 2, flange 12, pressing plate 3 and beam 4 can be connected by screw 5.So can be effectively
Ensure installation, the uniformity of anchor point, that is to say, that facilitate the positioning between support 2, flange 12, pressing plate 3 and beam 4
Install, technique is simple.
In addition, support 2 and beam 4, pressing plate 3 and beam 4, the flange 12 of beam 4 and motor 1, are annular
Contact, can so increase effective contact area between all parts, be conducive to improving damping effect, reduce noise.
In some embodiments of invention, electric machine assembly 10 also includes sleeve 6.Sleeve 6 is set in the smooth bar part of screw 5
51 and through pressing plate 3, beam 4 and flange 12.As shown in figure 3, advantageously, sleeve 6 is elastic component, by setting sleeve 6,
So as to which when radial vibration occurs for motor 1, the energy of radial vibration is absorbed using the sleeve 6, whole electricity is further improved
The damping effect of thermomechanical components 10.
Wherein, the through hole 44 passed through for screw 5 and sleeve 6 is formed with beam 4, the diameter Dt of through hole 44 is more than set
The outer diameter D w of cylinder 6.So, when sleeve 6 passes through beam 4, install more smooth, moreover, the diameter Dt of through hole 44 is more than sleeve 6
Outer diameter D w, extruding of the through hole 44 of beam 4 to sleeve 6 can be avoided, and reduce the absorption of 6 pairs of radial direction vibrational energies of sleeve
Effect, alternatively, it is smaller that the wall thickness of sleeve 6 can be designed, it is possible thereby to reduce manufacturing cost.
As shown in figure 5, according to the example of the present invention, support 2 includes ring body 21 and installing plate 22.Ring body
21 are set on the outer surface of motor 1, specifically, and the internal diameter of the ring body 21 is slightly larger than the outer surface of main body 11 of motor 1
Diameter, is conducive to installing, alternatively, and the external diameter of ring body 21 can be straight more than or equal to the outer rim of the flange 12 of motor 1
Footpath.Wherein, the motor breach of end cap attachment screw and cooperation about 1 is avoided as shown in figure 5, could be formed with ring body 21
The through hole 23 that screw 5 is passed through.
Wherein, as shown in figure 5, the periphery of installing plate 22 from ring body 21 stretches out.Specifically, installing plate 22 is constructed
Into bending plate shape, it is possible thereby to be conducive to it to coordinate the shape of spiral case 20 and be stably installed on spiral case 20, as shown in Figure 6.
Advantageously, installing plate 22 is four, and four installing plates 22 are respectively provided at the opposite end of ring body 21.It can so improve
Its stability installed on spiral case 20.
Referring to Fig. 3, Fig. 8-Figure 11, describe related components in electric machine assembly 10 according to embodiments of the present invention it
Between size relationship.Specifically, the thickness Hj and protuberance of the height Ht of sleeve 6, the thickness Hf of flange 12, beam 4
Height Gt meet following relational expression：Hf+Hj/2 ＜ Ht ＜ Hj-Gt, wherein, the thickness Hj of beam 4 includes the main body of beam 4
Thickness and its axial two sides on two protuberances height Gt.The height Ht of sleeve 6 height dimension can so be made
More rationally, structure is more stablized, and then the structure of electric machine assembly 10 is more stablized.
Wherein, the length Hg of the smooth bar part 51 of screw 5, the thickness Hj of beam 4 and protuberance height Gt, meets
Following relational expression：Hg ＞ Hj-Gt × 2.It can so make the length Hg sizes of the smooth bar part 51 of screw 5 more reasonable, structure
More stablize, and then the structure of electric machine assembly 10 is more stablized.
The range hood of embodiment according to a second aspect of the present invention is described below with reference to Fig. 6 and Fig. 7, including：Spiral case 20, electricity
Thermomechanical components and impeller 30, wherein electric machine assembly are the electric machine assembly 10 according to first aspect present invention embodiment.
Electric machine assembly 10 is located on spiral case 20, specifically, and the support 2 in electric machine assembly 10 is fixed on spiral case 20, such as Fig. 6
Shown, impeller 30 is located on the motor shaft 13 of motor 1 in electric machine assembly 10, can rotate impeller 30 by the driving of motor 1.
It can reduce motor 1 both axially and radially on direction because electric machine assembly 10 according to embodiments of the present invention has
The advantage of vibration, so that range hood according to embodiments of the present invention is by setting the electric machine assembly 10, it is small with vibrating noise,
The advantage of good product performance.
Other compositions of range hood according to embodiments of the present invention and operation are for those of ordinary skills
All it is known, I will not elaborate.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of electric machine assembly, it is characterised in that including：
Motor, the motor includes main body and the flange extended radially outwardly from the main body, and the flange is formed as
Annular；
Support, the support is set on the outer surface of the motor and positioned at the axial side of the flange；
Pressing plate, the pressing plate is set on the outer surface of the motor and positioned at the axial opposite side of the flange；And
Beam, the beam is coated on the flange of the motor, the axial both side surface point of the beam
Do not contacted with the support and the pressing plate, the beam is annular, have on the internal face of the beam and concave
Sunken recess, the female portion is also configured as annular, and the periphery edge of the flange is contained in the female portion.
2. electric machine assembly according to claim 1, it is characterised in that in the axial both side surface of the beam respectively
Axially projecting protuberance is formed with, the protuberance of the beam both sides connects with the support and the pressing plate respectively
Touch.
3. electric machine assembly according to claim 2, it is characterised in that the protuberance is configured in the electric machine assembly
In be less than 0.2 times of its own height Gt by decrement when compressing naturally.
4. electric machine assembly according to claim 2, it is characterised in that the protuberance is multiple convex closures, and respectively along week
To with radially uniform distribution.
5. electric machine assembly according to claim 2, it is characterised in that the protuberance is multiple ring ribs, described many
Individual ring rib is radially distributed.
6. electric machine assembly according to claim 2, it is characterised in that the support, the flange, the pressing plate and institute
State beam to be connected by screw, the electric machine assembly further comprises：
Sleeve, the sleeve is set in the smooth bar part of the screw and passes through the pressing plate, the beam and the flange
Side.
7. electric machine assembly according to claim 6, it is characterised in that the height Ht of the sleeve, the thickness of the flange
The length Hg for spending Hf, the thickness Hj of the beam, the height Gt of the protuberance and the smooth bar part meets such as ShiShimonoseki
It is formula：Hf+Hj/2 ＜ Ht ＜ Hj-Gt；Hg ＞ Hj-Gt × 2.
8. electric machine assembly according to claim 6, it is characterised in that be formed with the beam for the screw and
The through hole that the sleeve is passed through, the diameter Dt of the through hole is more than the outer diameter D w of the sleeve.
9. electric machine assembly according to claim 1, it is characterised in that the support includes：
Ring body, the ring body is set on the outer surface of the motor；
Installing plate, the periphery of the installing plate from the ring body stretches out.
10. a kind of range hood, it is characterised in that including：
Spiral case；
Electric machine assembly according to any one of claim 1-9, wherein the support is fixed on the spiral case；And
Impeller, the impeller is located at described in the electric machine assembly on the motor shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430846.4A CN104467261B (en) | 2013-09-18 | 2013-09-18 | Electric machine assembly and the range hood with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430846.4A CN104467261B (en) | 2013-09-18 | 2013-09-18 | Electric machine assembly and the range hood with it |
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| Publication Number | Publication Date |
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| CN104467261A CN104467261A (en) | 2015-03-25 |
| CN104467261B true CN104467261B (en) | 2017-08-04 |
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| CN110500631A (en) * | 2019-08-20 | 2019-11-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Vibration isolator and range hood |
| CN110686297B (en) * | 2019-10-18 | 2021-08-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor, fan and lampblack absorber |
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| DE4306588A1 (en) * | 1992-07-14 | 1994-01-20 | Bosch Gmbh Robert | Vibration damping holder for electric motor - has damping element attached to bridge on housing and supported in radial direction by two angled motor holder support surfaces |
| CN1327292A (en) * | 2001-04-12 | 2001-12-19 | 金马达制造厂有限公司 | Shock reducing method for small motor and bearing shock reducing ring thereof |
| CN2485562Y (en) * | 2001-05-07 | 2002-04-10 | 宁波方太厨具有限公司 | Structure of low-noise cooker hood |
| CN201852177U (en) * | 2010-10-27 | 2011-06-01 | 佛山市米托力特种电机有限公司 | Motor installing device for fume extractor and fume extractor |
| CN102287402A (en) * | 2011-09-16 | 2011-12-21 | 海尔集团公司 | Draught fan of range hood and range hood |
| CN203504344U (en) * | 2013-09-18 | 2014-03-26 | 广东美的厨房电器制造有限公司 | Motor assembly and range hood therewith |
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| CN104467261A (en) | 2015-03-25 |
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