CN203504344U - Motor assembly and range hood therewith - Google Patents
Motor assembly and range hood therewith Download PDFInfo
- Publication number
- CN203504344U CN203504344U CN201320582922.9U CN201320582922U CN203504344U CN 203504344 U CN203504344 U CN 203504344U CN 201320582922 U CN201320582922 U CN 201320582922U CN 203504344 U CN203504344 U CN 203504344U
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- electric machine
- motor
- machine assembly
- flange
- support
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Abstract
The utility model discloses a motor assembly and a range hood therewith. The motor assembly comprises: a motor which comprises a main body and a flange outwardly extended from a radial direction of the main body; a support which is sheathed on an outer surface of the motor and located in one side of a axial direction of the flange; a pressure plate which is sheathed on the outer surface of the motor and located in the other side of the axial direction of the flange; a shock pad covered in the flange of the motor, and two sides surfaces of the axial direction of the shock pad are respectively contacted with the support and the pressure plate. According to the motor assembly of the utility model, both the motor vibrations along the axial direction and the radial direction can be decreased, the method is simple and easy to implement, and the motor assembly has advantages of low manufacturing cost and low noise.
Description
Technical field
The utility model relates to home appliance field, especially relates to a kind of electric machine assembly and has its range hood.
Background technology
Oil-fume exhauster product has become indispensable home appliance in kitchen appliance.Core drive system in range hood is the blower fan system that motor and impeller form, and wherein this meeting under electromagnetic force of motor produces and be parallel to axial vibrational excitation, causes that the parts that are connected with motor are along motor axial vibration; Be confined to the impact of the impeller accuracy of manufacture and assembly precision, existence is bad because of the dynamic balancing of system simultaneously, and the excitation of the periodic vibration along impeller radius direction of appearance, causes the radial vibration of the range hood miscellaneous part being connected with electric motor with vane wheel.
Existing range hood is in order to address the above problem; common meeting pad one deck Rubber shock-absorbing pad between motor and mounting bracket; but this common Rubber shock-absorbing pad can only weaken the vibration of the axial direction that motor causes, and cannot produce cushioning effect for the vibration of radial direction.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model need to provide a kind of electric machine assembly, and this electric machine assembly can reduce along motor shaft to the vibration with radial direction simultaneously effectively, and method simply and is easily implemented, low cost of manufacture, and noise is low.
Another object of the present utility model is to propose a kind of range hood with this electric machine assembly.
According to the electric machine assembly of the utility model first aspect, comprise: motor, described motor comprises main body and from the flange extending radially outwardly of described main body; Support, described support casing is located on the outer surface of described motor and is positioned at an axial side of described flange; Pressing plate, described pressing plate is set on the outer surface of described motor and is positioned at the axial opposite side of described flange; And beam, described beam is coated on the described flange of described motor, and the axial both side surface of described beam contacts with described pressing plate with described support respectively.
According to electric machine assembly of the present utility model, by beam being coated on the flange of motor, like this, when motor is during along its axial vibration, the axial two sides of beam are only against respectively on support and pressing plate, to absorb the energy of vibration, reduce vibrational energy transmission in axial direction.When the impeller being connected with motor is during due to dynamic equilibrium problems generation radial vibration, beam can absorb the energy of radial vibration again, reduces the transmission of radial vibration, and because vibrational energy is absorbed, thereby can reduce vibrating noise.By the beam arranging on the flange that can be coated on motor, both can reduce motor vibration vertically and in the radial direction, method simply and is easily implemented simultaneously, low cost of manufacture, and noise is low.
In addition, according to electric machine assembly of the present utility model, also can there is following additional technical feature:
According to an embodiment of the present utility model, in the axial both side surface of described beam, be formed with respectively the protuberance protruding vertically, the described protuberance of described beam both sides contacts with described pressing plate with described support respectively.Can improve the contact stabilization of beam and support and pressing plate thus.
According to an embodiment of the present utility model, described protuberance is formed at decrement while being subject to nature compression in described electric machine assembly and is less than 0.2 times of himself height Gt.
According to an embodiment of the present utility model, described protuberance is a plurality of convex closures, and respectively along circumferentially and being radially uniformly distributed.Can improve the contact stabilization of beam and support and pressing plate thus.
According to an embodiment of the present utility model, described protuberance is a plurality of ring ribs, and described a plurality of ring ribs radially distribute.Can improve the contact stabilization of beam and support and pressing plate thus.
According to an embodiment of the present utility model, described support, described flange, described pressing plate and described beam are connected by screw, described electric machine assembly further comprises: sleeve, described jacket casing is located at the polished rod part of described screw and passes described pressing plate, described beam and described flange.
By sleeve is set, thereby can when motor generation radial vibration, utilize the energy of this sleeve absorption radial vibration, further improve the damping effect of whole electric machine assembly.
According to an embodiment of the present utility model, the length Hg of the height Gt of the thickness Hj of the thickness Hf of the height H t of described sleeve, described flange, described beam, described protuberance and described polished rod part meets following relational expression: Hf+Hj/2 < Ht < Hj-Gt; Hg > Hj-Gt * 2.
According to an embodiment of the present utility model, on described beam, be formed with the through hole passing for described screw and described sleeve, the diameter Dt of described through hole is greater than the outer diameter D w of described sleeve.
According to an embodiment of the present utility model, described support comprises: ring body, and described ring body is set on the outer surface of described motor; Mounting panel, described mounting panel stretches out from the periphery of described ring body.
According to the range hood of the utility model second aspect, comprise: spiral case; According to the electric machine assembly described in the utility model first aspect, wherein said support is fixed on described spiral case; And impeller, described impeller is located on the motor shaft of motor described in described electric machine assembly.
Owing to having advantages of and can reduce motor vibration vertically and in the radial direction according to electric machine assembly of the present utility model, thereby according to the range hood of the utility model embodiment by this electric machine assembly is set, there is vibrating noise little, the advantage of good product performance.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the stereogram of the electric machine assembly of the utility model embodiment;
Fig. 2 is the cutaway 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 that the electric machine assembly shown in Fig. 1 is installed to the structural representation on spiral case;
Fig. 7 is the explosive view of the electric machine assembly shown in Fig. 1 and spiral case, impeller;
Fig. 8 is the front view of the beam of the electric machine assembly shown in Fig. 1;
Fig. 9 is along the cutaway view of B-B line in Fig. 8;
Figure 10 is the cutaway 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
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, the orientation of indication or the term of position relationship are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1-Fig. 3, describe according to the electric machine assembly 10 of the utility model first aspect embodiment.The electric machine assembly 10 of take is below described as example for range hood, certainly, persons of ordinary skill in the art may appreciate that electric machine assembly 10 of the present utility model can also be for other equipment, such as air conditioner, electric fan etc.
According to the electric machine assembly 10 of the utility model embodiment, comprise: motor 1, support 2, pressing plate 3 and beam 4.What deserves to be explained is, in range hood, impeller 30 is connected with the motor shaft 13 of motor 1 in electric machine assembly 10, makes motor 1 by motor shaft 13 impeller 30 rotations, and motor 1 is fixed on spiral case 20, and wherein this part will describe in detail in content after a while.
As shown in Figures 2 and 3, motor 1 comprises main body 11 and from the flange extending radially outwardly 12 of main body 11, particularly, and the main body 11 outer surface settings that this flange 12 is annular and wound motor 1.Support 2 is set on the outer surface of motor 1 and support 2 is positioned at the axial side of flange 12, and as shown in Figure 3, support 2 is positioned at the rear side of flange 12 to example.Pressing plate 3 is set on the outer surface of motor 1 and pressing plate 3 is positioned at the axial opposite side of flange 12, and as shown in Figure 3, pressing plate 3 is positioned at the front side of flange 12 to example.Wherein, axial direction is the fore-and-aft direction in Fig. 1-Fig. 3, correspondingly, and radial direction direction perpendicular to axial direction.
According to the electric machine assembly 10 of the utility model embodiment, by beam 4 being coated on the flange 12 of motor 1, like this, when motor 1 is during along its axial vibration, the axial both side surface of beam 4 is not only against on support 2 and pressing plate 3, to absorb the energy of vibration, reduce vibrational energy transmission in axial direction.When the impeller 30 being connected with motor 1 is during due to dynamic equilibrium problems generation radial vibration, beam 4 can absorb the energy of radial vibration again, reduces the transmission of radial vibration, and because vibrational energy is absorbed, thereby can reduce vibrating noise.By the beam 4 arranging on the flange 12 that can be coated on motor 1, both can reduce motor 1 vibration vertically and in the radial direction, method simply and is easily implemented simultaneously, and assembly cost is low, and noise is low.
Advantageously, as shown in Figure 3 and Figure 4, in the axial both side surface of beam 4, be formed with respectively the protuberance protruding vertically, the protuberance of the axial both sides of beam 4 contacts with pressing plate 3 with support 2 respectively, by this protuberance is set, the axial both sides that can make beam 4 respectively with support 2 and pressing plate 3 close contacts, damping effect is better.Advantageously, protuberance is integrally formed on the axial two sides of beam 4, is conducive to thus improve structural strength and the structural stability of beam 4.
In optional embodiments more of the present utility model, the protuberance on beam 4 is a plurality of convex closures 41, and a plurality of convex closure 41 is respectively along circumferentially and being radially uniformly distributed.Example as shown in Figure 4, a plurality of convex closures 41 are evenly distributed on the surface of axial both sides of beam 4, can improve thus the contact stabilization of beam 4 and support 2 and pressing plate 3.
In other optional embodiments of the present utility model, protuberance is a plurality of ring ribs, a plurality of ring ribs radially distribute (scheming not shown).In other words, protuberance is ring rib, ring rib circumferentially arranges around beam 4, and this ring rib is that the diameter of a plurality of and a plurality of ring ribs increases gradually, and from the inner side of beam 4, radially outwards arrange successively, can improve thus the contact stabilization of beam 4 and support 2 and pressing plate 3.
In addition, protuberance can also be a plurality of raised lines that radially extend, and a plurality of raised lines are along circumferentially distribute (scheming not shown).In other words, protuberance can be the raised line radially extending, and raised line is a plurality of and edge is circumferentially increased radioactivity, can improve thus the contact stabilization of beam 4 and support 2 and pressing plate 3.
Advantageously, beam 4 is elastic component, for example, can be rubber parts, makes like this beam 4 have advantages of that easy compression, absorbing vibrational energy are good.Wherein, on the beam 4 of annular, be formed with the breach 43 of avoiding motor end cap attachment screw (scheming not shown) Shang Xia 1.Wherein, the internal diameter of annular beam 4 is a bit larger tham the diameter of main body 11 outer surfaces of motor 1, be conducive to install, 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 formed at decrement while being subject to nature compression in electric machine assembly and is less than 0.2 times of himself height Gt.That is to say, the height Gt of protuberance meets, vertical deadweight after motor 1, impeller 30 etc. are installed, when top is pressed on protuberance, the natural decrement of protuberance is less than himself height 0.2 times of Gt, can make thus protuberance for the validity of beam 4 supports 2 of axial both sides and the support of pressing plate 3, top pressure.Wherein, the natural decrement of protuberance is less than himself height 0.2 times of Gt, can reach this object by the design to the planform of the manufactured materials of beam 4, protuberance etc.
Particularly, support 2, flange 12, pressing plate 3 and beam 4 can be connected by screw 5.The consistency that can effectively guarantee like this installation, anchor point, that is to say, facilitate the location and installation between support 2, flange 12, pressing plate 3 and beam 4, technique is simple.
In addition, the flange 12 of support 2 and beam 4, pressing plate 3 and beam 4, beam 4 and motor 1, is annular contact, can increase so the effective contact area between all parts, is conducive to improve damping effect, reduction noise.
In some embodiment of utility model, electric machine assembly 10 also comprises sleeve 6.Sleeve 6 is set in the polished rod part 51 of screw 5 and passes pressing plate 3, beam 4 and flange 12.As shown in Figure 3, advantageously, sleeve 6 is elastic component, by sleeve 6 is set, thereby can when radial vibration occurs motor 1, utilize the energy of these sleeve 6 absorption radial vibrations, further improves the damping effect of whole electric machine assembly 10.
Wherein, be formed with the through hole 44 passing for screw 5 and sleeve 6 on beam 4, the diameter Dt of through hole 44 is greater than the outer diameter D w of sleeve 6.Like this, when sleeve 6 passes beam 4, install more smooth, and the diameter Dt of through hole 44 is greater than the outer diameter D w of sleeve 6, can avoid the extruding of 44 pairs of sleeves 6 of through hole of beam 4, and reduce the radially absorption of vibrational energy of 6 pairs, sleeve, alternatively, it is less that the wall thickness of sleeve 6 can design, and can reduce manufacturing cost thus.
As shown in Figure 5, according to an example of the present utility model, support 2 comprises ring body 21 and mounting panel 22.Ring body 21 is set on the outer surface of motor 1, particularly, the internal diameter of this ring body 21 is a bit larger tham the diameter of main body 11 outer surfaces of motor 1, is conducive to install, alternatively, the external diameter of ring body 21 can be more than or equal to the external profile diameter of the flange 12 of motor 1.Wherein, as shown in Figure 5, on ring body 21, can be formed with and avoid the breach of motor end cap attachment screw Shang Xia 1 and the through hole 23 that attachment screw 5 passes.
Wherein, as shown in Figure 5, mounting panel 22 stretches out from the periphery of ring body 21.Particularly, mounting panel 22 is configured to bending plate shape, can be conducive to thus it and coordinates the shape of spiral case 20 and be stably arranged on spiral case 20, as shown in Figure 6.Advantageously, mounting panel 22 is four, and four mounting panels 22 are located at respectively the opposite end of ring body 21.Can improve like this stability that it installs on spiral case 20.
Below with reference to Fig. 3, Fig. 8-Figure 11, describe according to the size relationship between the related components in the electric machine assembly 10 of the utility model embodiment.Particularly, the height Gt of the thickness Hf of the height H t of sleeve 6, flange 12, the thickness Hj of beam 4 and protuberance meets following relational expression: Hf+Hj/2 < Ht < Hj-Gt, wherein, the thickness Hj of beam 4 comprises the height Gt of two protuberances on the thickness two sides axial with it of beam 4 main bodys.Can make like this height dimension of height H t of sleeve 6 more reasonable, structure is more stable, and then makes the structure of electric machine assembly 10 more stable.
Wherein, the height Gt of the length Hg of the polished rod part 51 of screw 5, the thickness Hj of beam 4 and protuberance, meets following relational expression: Hg > Hj-Gt * 2.Can make like this length Hg size of polished rod part 51 of screw 5 more reasonable, structure is more stable, and then makes the structure of electric machine assembly 10 more stable.
Below with reference to Fig. 6 and Fig. 7, describe according to the range hood of the utility model second aspect embodiment, comprising: spiral case 20, electric machine assembly and impeller 30, wherein electric machine assembly is according to the electric machine assembly 10 of the utility model first aspect embodiment.
Owing to having advantages of and can reduce motor 1 vibration vertically and in the radial direction according to the electric machine assembly 10 of the utility model embodiment, thereby according to the range hood of the utility model embodiment by this electric machine assembly 10 is set, there is vibrating noise little, the advantage of good product performance.
According to other formations of the range hood of the utility model embodiment and operation, be all known for those of ordinary skills, no longer describe in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. an electric machine assembly, is characterized in that, comprising:
Motor, described motor comprises main body and from the flange extending radially outwardly of described main body;
Support, described support casing is located on the outer surface of described motor and is positioned at an axial side of described flange;
Pressing plate, described pressing plate is set on the outer surface of described motor and is positioned at the axial opposite side of described flange; And
Beam, described beam is coated on the described flange of described motor, and the axial both side surface of described beam contacts with described pressing plate with described support respectively.
2. electric machine assembly according to claim 1, is characterized in that, is formed with respectively the protuberance protruding vertically in the axial both side surface of described beam, and the described protuberance of described beam both sides contacts with described pressing plate with described support respectively.
3. electric machine assembly according to claim 2, is characterized in that, described protuberance is formed at decrement while being subject to nature compression in described electric machine assembly and is less than 0.2 times of himself height Gt.
4. electric machine assembly according to claim 2, is characterized in that, described protuberance is a plurality of convex closures, and respectively along circumferentially and being radially uniformly distributed.
5. electric machine assembly according to claim 2, is characterized in that, described protuberance is a plurality of ring ribs, and described a plurality of ring ribs radially distribute.
6. electric machine assembly according to claim 2, is characterized in that, described support, described flange, described pressing plate and described beam are connected by screw, and described electric machine assembly further comprises:
Sleeve, described jacket casing is located at the polished rod part of described screw and passes described pressing plate, described beam and described flange.
7. electric machine assembly according to claim 6, it is characterized in that, the length Hg of the height Gt of the thickness Hj of the thickness Hf of the height H t of described sleeve, described flange, described beam, described protuberance and described polished rod part meets following relational expression: Hf+Hj/2 < Ht < Hj-Gt; Hg > Hj-Gt * 2.
8. electric machine assembly according to claim 6, is characterized in that, is formed with the through hole passing for described screw and described sleeve on described beam, and the diameter Dt of described through hole is greater than the outer diameter D w of described sleeve.
9. electric machine assembly according to claim 1, is characterized in that, described support comprises:
Ring body, described ring body is set on the outer surface of described motor;
Mounting panel, described mounting panel stretches out from the periphery of described ring body.
10. a range hood, is characterized in that, comprising:
Spiral case;
According to the electric machine assembly described in any one in claim 1-9, wherein said support is fixed on described spiral case; And
Impeller, described impeller is located on the motor shaft of motor described in described electric machine assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582922.9U CN203504344U (en) | 2013-09-18 | 2013-09-18 | Motor assembly and range hood therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582922.9U CN203504344U (en) | 2013-09-18 | 2013-09-18 | Motor assembly and range hood therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504344U true CN203504344U (en) | 2014-03-26 |
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ID=50335288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582922.9U Expired - Lifetime CN203504344U (en) | 2013-09-18 | 2013-09-18 | Motor assembly and range hood therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504344U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467261A (en) * | 2013-09-18 | 2015-03-25 | 广东美的厨房电器制造有限公司 | Motor assembly and extractor hood provided with same |
| WO2016077976A1 (en) * | 2014-11-18 | 2016-05-26 | 史利利 | Household appliance and motor system |
| CN110822514A (en) * | 2019-10-25 | 2020-02-21 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2013
- 2013-09-18 CN CN201320582922.9U patent/CN203504344U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467261A (en) * | 2013-09-18 | 2015-03-25 | 广东美的厨房电器制造有限公司 | Motor assembly and extractor hood provided with same |
| CN104467261B (en) * | 2013-09-18 | 2017-08-04 | 广东美的厨房电器制造有限公司 | Electric machine assembly and the range hood with it |
| WO2016077976A1 (en) * | 2014-11-18 | 2016-05-26 | 史利利 | Household appliance and motor system |
| CN110822514A (en) * | 2019-10-25 | 2020-02-21 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN110822514B (en) * | 2019-10-25 | 2021-08-20 | 宁波方太厨具有限公司 | Fume exhaust fan |
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Granted publication date: 20140326 |