CN102377278A - Motor casing with layered long flow channels - Google Patents
Motor casing with layered long flow channels Download PDFInfo
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- CN102377278A CN102377278A CN2010102520341A CN201010252034A CN102377278A CN 102377278 A CN102377278 A CN 102377278A CN 2010102520341 A CN2010102520341 A CN 2010102520341A CN 201010252034 A CN201010252034 A CN 201010252034A CN 102377278 A CN102377278 A CN 102377278A
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Abstract
The invention discloses a motor casing with layered long flow channels, belonging to electrical mechanical equipment of a vacuum cleaner. The motor casing with layered long flow channels comprises a built-in vacuum motor, an inner casing with air holes, a square outer casing and an outer casing cover, wherein the inner casing is formed on one side; the square outer casing is arranged outside the inner casing and separated from the inner casing for a certain spatial distance; an air inlet is formed at the top of the outer casing cover and an air outlet is formed on one side of the outer casing cover; a lower-layer flow channel and an upper-layer flow channel are formed respectively in the outer casing and in the outer casing cover by a lateral partition; an up channel is formed on the lateral partition opposite to the air outlet in direction; an air inlet channel is formed between the air inlet of the outer casing and the air inlet of the motor; and a space dividing cover on which muffling holes are formed is arranged in the upper-layer flow channel on the periphery of the motor in the outer casing cover. Because the motor casing with layered long flow channels is designed such, based on the original double-layer motor casing with a long flow channel, the limited space in the upper-layer flow channel is fully used, and the space dividing cover with muffling holes is additionally arranged, thereby further increasing the length of the upper-layer flow channel and further reducing noise.
Description
Technical field
The present invention relates to the electricapparatus equipment of dust catcher, specifically is the long runner motor casing of a kind of layering.
Background technology
Dust catcher is a kind of cleaning and sanitary electric equipment device, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal (pot type) dust catcher and portable dust collector etc.
The dust catcher general structure comprises by the motor of dust collector that imports electric current generation suction, forms suction nozzle, the dust pick up hose of air path system, filtering separation device, and the dust collect plant of assembling inhalation (inhalatio).
Motor of dust collector at the generation negative-pressure sucking of inner of dust catcher body setting is placed in the motor box, and generates air and discharge air-flow.
Fig. 1 is the perspective view of prior art motor casing; Fig. 2 is the vertical profile structural representation of prior art motor casing; Fig. 3 is the decomposition texture sketch map of prior art motor casing.
In the inside of dust catcher body (not shown), shown in Fig. 1-3, dust sucting motor 1 is installed in 2 li of inner casings, forms the air vent hole 3 that is uniformly distributed with on the center line one side perisporium of inner casing 2.The outside of inner casing 2 also is provided with four jiaos of square shells 4 that keep the certain space distance with it; Shell 4 is by shell body 5 and casing cover 6 be combined intos; Casing cover 6 center of top on shell body 5 are formed with shell air inlet 7, are provided with the base 8 of correspondingly-shaped in shell body 5 bottoms.Dividing plate 9 in the shell 4 forms upper strata runner and lower floor's runner in the enclosure.Sidewalls in the shell body 5 are formed with up exhaust passage through diaphragm plate 9, the exhaust passage be formed on the rightabout shell 4 of exhaust outlet 10 (not shown) in, and through exhaust outlet 10 air of cleaning is discharged to the outside of shell 4.
Get into motor air inlet 11 in order to make air-flow after shell air inlet 7 gets into shells 4, to concentrate, around the air inlet 7 of casing cover 6 inner tops, be formed with lead to motor air inlet 11 hang tubular inlet channel 24.The diameter of inlet channel 24 is respectively greater than the diameter of shell air inlet 7 and motor air inlet 11.For the pneumatic noise that gets into motor air inlet 11 is reduced, muffler 12 is set on motor air inlet 11 usually.
Four corners perpendicular to base 8 on shell body 5 and the casing cover 6 form depressed part 13 respectively, and shell body 5 and casing cover 6 are combined as a whole through bolt (not shown) through depression ladder 14a, 14b.
In order to strengthen the steadiness of motor location in the motor casing; Vertical and the tangential vibrations that produces when especially reducing dust sucting motor 1 running; Outwards give prominence to the protuberance 15 that forms in shell body 5 inner bottom surfaces depression, shell body 5 inner bottom surface recess are installed end face and are formed circular axial trough 16 and the square motor liner 18 that projects upwards slotting projection 17.
Be provided with respectively partiting polarization rubber pad 19 between shell body 5 bottom surfaces and the base 8 with the two positioning combination; Round rubber pad 19 end faces form the vibration damping groove 20 with the 17 corresponding combinations of shell body 5 bottom surface protuberances, the rubber column 22 that intercalation groove 21 bikinis combine on the formation of rubber blanket 19 bottom surfaces and base 8 end faces.
The screw post 23 and shell body 5 bottom surfaces that form respectively on four angles of base 8 end faces are combined as a whole.
Describe in the face of the situation in the motor of dust collector shell work of above-mentioned prior art down.Dust sucting motor 1 conducting electric current brings into operation; The negative pressure suction force that produces sucks the gas that contains foreign substances such as dust through the suction nozzle (not shown) of dust catcher body bottom surface, and the negative pressure pure air behind the cyclone dust removal of internal body, filtration, control of dust is discharged body at last.The air-flow that vacuum suction gets into the at first shell air inlet on casing cover 67 gets into shell 4, and gets into motor air inlet 11 through inlet channel 24, muffler 12.And the air-flow of discharging through motor; Enter into the lower floor's runner in the shell body 5 through the air vent hole 3 that is uniformly distributed with on the inner casing 2 one side perisporiums; And through in the upper strata runner in the up exhaust passage arrival casing cover 6 of shell body 5 top diaphragm plates 9 one sides formation; The periphery of pile warp inlet channel 24, and the exhaust outlet 8 through forming with up exhaust passage rightabout are discharged to the air of cleaning outside the dust catcher body.
Though; Motor casing of the prior art has had relatively long double-layer channel; And obtain noise reduction preferably, still, particularly form in the motor casing in the casing cover 6 of upper strata runner and still have certain space capable of using; Make full use of this segment space and increase runner, can better realize the noise reduction purpose.
Summary of the invention
The present invention is exactly the motor casing noise reduction problem that exists in the prior art in order to solve, and provides a kind of layering long runner motor casing.
The present invention realizes by following technical scheme.
The long runner motor casing of a kind of layering; Comprise built-in dust sucting motor and be formed with the inner casing of air vent hole in a side; Be arranged on the casing cover that air inlet, side formation exhaust outlet are formed on inner casing square shell body outside and certain space distance at interval and top, in shell body, form lower floor's runner respectively, in casing cover, form the upper strata runner through diaphragm plate; With the rightabout diaphragm plate of exhaust outlet on the data feedback channel that forms, and the inlet channel that forms between shell air inlet and the motor air inlet; And in casing cover, be provided with the space segmentation cover that forms bloop in the upper strata runner of motor periphery.
The present invention of design like this; Flow in original length on the basis of double-casing motor shell, make full use of the confined space of upper strata runner, increased the space segmentation cover that is formed with bloop; Not only further increased the flow channel length of upper strata runner; And, utilize the bloop noise reduction once more, thereby reach the purpose of further reduction noise.
Description of drawings
Fig. 1 is the perspective view of prior art motor casing;
Fig. 2 is the vertical profile structural representation of prior art motor casing;
Fig. 3 is the decomposition texture sketch map of prior art motor casing;
Fig. 4 is the perspective view that motor casing of the present invention is partly cut open;
Fig. 5 is the perspective view that cover is cut apart in the space among the present invention;
Fig. 6 is that the perspective view of covering another embodiment is cut apart in the space among the present invention;
Fig. 7 is a vertical profile structural representation of the present invention;
Fig. 8 is a decomposition texture sketch map of the present invention;
Fig. 9 is the decomposition texture sketch map of another embodiment of the present invention;
Figure 10 is a low frequency noise spectrum peak map;
Figure 11 is a high frequency noise frequency spectrum map.
Among the figure: 1. motor 2. inner casings
3. air vent hole 4. shells
5. shell body 6. casing covers
7. shell air inlet 8. bases
9. diaphragm plate 10. exhaust outlets
11. motor air inlet 12. mufflers
The ladder 13. depressed part 14a.14b. caves in
15. protuberance 16. axial troughs
17. insert projection 18. motor liners
19. rubber blanket 20. vibration damping grooves
21. intercalation groove 22. rubber columns
23. screw post 24. inlet channels
25a.25b. bloop 26a.26b. is cut apart cover
27. central circular hole 28. opening ports
29a.29b. end face 30. annular grooves
31. leg.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed explanation.
Fig. 7 is a vertical profile structural representation of the present invention; Fig. 8 is a decomposition texture sketch map of the present invention; Fig. 9 is the decomposition texture sketch map of another embodiment of the present invention.
In the inside of horizontal dust collector body (not shown), dust sucting motor 1 is installed in 2 li of inner casings, and crossing of inner casing 2 forms the air vent hole 3 that is uniformly distributed with on the center line one side perisporium of the center of circle.The outside of inner casing 2 also is provided with four jiaos of square shells 4 that keep the certain space distance with it, and shell 4 is by shell body 5 and casing cover 6 be combined intos.Four corners perpendicular to base 8 on shell body 5 and the casing cover 6 form depressed part 13 respectively, and are last at depression ladder 14a, 14b, through bolt (not shown) shell body 5 and casing cover 6 are combined as a whole.
In order to make air-flow that dedusting separates after shell air inlet 7 gets into shells 4, concentrate to get into motor air inlet 11, around the air inlet 7 of casing cover 6 inner tops, be formed with lead to motor air inlet 11 hang tubular inlet channel 24.The diameter of inlet channel 24 is respectively greater than the diameter of shell air inlet 7 and motor air inlet 11.For the pneumatic noise that gets into motor air inlet 11 is reduced, on motor air inlet 11, also be provided with muffler 12 usually.
In order to strengthen the steadiness of motor location in the motor casing; Vertical and the tangential vibrations that produces when especially reducing dust sucting motor 1 running; Outwards give prominence to the protuberance 15 that forms in shell body 5 inner bottom surfaces depression, shell body 5 inner bottom surface recess are installed end face and are formed circular axial trough 16 and the square motor liner 18 that projects upwards slotting projection 17.
Be provided with respectively partiting polarization rubber pad 19 between shell body 5 bottom surfaces and the base 8 with the two positioning combination; Round rubber pad 19 end faces form the vibration damping groove 20 with the 17 corresponding combinations of shell body 5 bottom surface protuberances, the rubber column 22 that intercalation groove 21 bikinis combine on the formation of rubber blanket 19 bottom surfaces and base 8 end faces.
The screw post 23 and shell body 5 bottom surfaces that form respectively on four angles of base 8 end faces are combined as a whole.
Like Fig. 5, shown in Figure 7; The long runner motor casing of a kind of layering; Comprise built-in dust sucting motor 1 and be formed with the inner casing 2 of air vent hole 3 in a side; Be arranged on the casing cover 6 that inner casing 2 square shell bodies 5 outside and certain space distance at interval and top formation shell air inlet 7, a side form exhaust outlet 10; In shell body 5, form lower floor's runner respectively through diaphragm plate 9, casing cover 6 in, form the upper strata runner, with exhaust outlet 10 rightabout diaphragm plates 9 on the data feedback channel of formation; With the inlet channel 24 that forms between shell air inlet 7 and the motor air inlet 11, be characterized in being provided with the space segmentation cover 26a that forms bloop 25a in the upper strata runner of 6 li motor 1 peripheries of casing cover.
Fig. 6 is that the perspective view of covering an embodiment is cut apart in the space among the present invention; It is as shown in the figure,
The long runner motor casing of said layering; Its space segmentation cover 26a bottom surface opened; Fusiformis end face 29a central authorities form the central circular hole 27 that appears motor air inlet 11; Be uniformly distributed with bloop 25a on the end face 29a of central circular hole 27 peripheries, space segmentation cover 26a length direction respective side leg 31a forms planar open mouth 28, and is deflated mouthfuls 10 adjacent casing cover 6 inwalls sealings.
The long runner motor casing of said layering, the bloop 25 that is uniformly distributed with on its end face 29a are with the outside radial arrangement in the center of circle of central circular hole 27.
The long runner motor casing of said layering is formed with 24 end of inlet channel mouth on the periphery of its space segmentation cover 26a end face central circular hole 27 and docks annular groove 30.The air-flow of upper strata runner and the air-flow in the inlet channel 24 are separated fully.
The long runner motor casing of said layering, its space segmentation cover fusiformis end face 29a major axis is consistent with 6 liang of corresponding inwall spacings of casing cover.
Fig. 4 is the perspective view that motor casing of the present invention is partly cut open; Fig. 5 is the perspective view that cover is cut apart in the space among the present invention.
As shown in the figure; The long runner motor casing of said layering; Its space segmentation cover 26b bottom surface opened; The central central circular hole 27 that appears motor air inlet 11 that forms of square fillet end face 29b is uniformly distributed with bloop 25a on the end face of central circular hole periphery, space segmentation cover 26b respective side leg 31b forms the bloop 25b that dot matrix distributes.
The long runner motor casing of said layering, its space segmentation cover leg 31b and exhaust outlet 10 adjacent both sides casing covers 6 interior ancient piece of jade, round, flat and with a hole in its centres that form dot matrix distribution bloop 25b keep a determining deviation.For the air-flow of upper strata runner provides the flowing space.
Describe in the face of the present invention's situation at work down.Dust sucting motor 1 conducting electric current brings into operation; The negative pressure suction force that produces sucks the gas that contains foreign substances such as dust through the suction nozzle (not shown) of dust catcher body bottom surface, and the negative pressure pure air behind the cyclone dust removal of internal body, filtration, control of dust is discharged body at last.The air-flow that vacuum suction gets into the at first shell air inlet on casing cover 67 gets into shell 4, when getting into motor air inlet 11 through inlet channel 24, is abated the noise by muffler 12.And, enter into the lower floor's runner in the shell body 5, and arrive in the upper strata runner in the casing cover 6 through the up exhaust passage that shell body 5 top diaphragm plates 9 one sides form through the air vent hole 3 that is uniformly distributed with on the inner casing 2 one side perisporiums through the air-flow that dust sucting motor 1 is discharged.
With reference to Fig. 4, Fig. 7, Fig. 8; Get into air-flow in the runner of upper strata by forming before exhaust outlet in the opposite direction 10 discharges with up exhaust passage; Must be through being arranged on the space segmentation cover 26b in the runner of upper strata; Promptly leg 31b and the square fillet end face 29b through space segmentation cover 26b could discharge from exhaust outlet 10, and bloop 25a, the 25b on leg 31b and the end face 29b slackens the noise of air-flow in the runner of upper strata.
At last, through the exhaust outlet 8 that forms with up exhaust passage rightabout, the air of cleaning is discharged to outside motor casing 4 and even the dust catcher body.
With reference to Fig. 6, Fig. 9.Get into air-flow in the runner of upper strata in that exhaust outlet in the opposite direction (not shown) discharges by forming with up exhaust passage; Yet; Because the leg 31b at fusiformis end face 29b two ends forms planar open mouth 28 and combines with casing cover 6 inwalls of exhaust outlet 10 both sides; Therefore, air-flow must pass through the space segmentation cover 26a that is arranged in the runner of upper strata, and promptly the bloop 25a on space segmentation cover 26a and end face 29b thereof could discharge from exhaust outlet (not shown) more.Like this, not only make upper strata runner lengthening, and the bloop 25a on leg 31a and the end face 29b slackens the noise of air-flow in the runner of upper strata.
At last, through the exhaust outlet 10 that forms with up exhaust passage rightabout, the air of cleaning is discharged to outside motor casing 4 and even the dust catcher body.
Figure 10 is a low frequency noise spectrum peak map; Figure 11 is a high frequency noise frequency spectrum map.
Can find out that by Frequency spectrum ratio the structure after the improvement has certain reduction to low frequency noise, this is because the orifice plate on passage reduces air-flow velocity to a certain extent, is that low frequency noise produces decay.
Through test, improving front motor shell noise is 66.3dB, and improvement of the present invention back noise is 65.55dB, and noise reduction is obvious.
Claims (7)
1. long runner motor casing of layering; Comprise built-in dust sucting motor (1) and be formed with the inner casing (2) of air vent hole (3) in a side; Be arranged on the casing cover (6) that air inlet (7), side formation exhaust outlet (10) are formed on inner casing (2) square shell body (5) outside and certain space distance at interval and top; In shell body (5), form lower floor's runner respectively through diaphragm plate (9); In casing cover (6), form the upper strata runner; Going up the data feedback channel that forms with the rightabout diaphragm plate of exhaust outlet (10) (9), and the inlet channel (24) that forms between shell air inlet (7) and the motor air inlet (11), it is characterized in that: be provided with the space segmentation cover (26a), (26b) that form bloop (25a) in the upper strata runner of casing cover (6) lining motor (1) periphery.
2. according to the long runner motor casing of the said layering of claim 1; It is characterized in that space segmentation cover (26a) bottom surface opened; Fusiformis end face (29a) central authorities form the central circular hole (27) that appears motor air inlet (11); Be uniformly distributed with bloop (25a) on the end face (29a) of central circular hole (27) periphery, space segmentation cover (26a) length direction respective side leg (31a) forms planar open mouth (28), and is deflated mouthful (10) adjacent casing cover (6) inwall sealing.
3. according to the long runner motor casing of the said layering of claim 2, it is characterized in that the bloop (25) that is uniformly distributed with on the end face (29a) is with the outside radial arrangement in the center of circle of central circular hole (27).
4. according to claim 1 or the long runner motor casing of 2 said layerings, it is characterized in that being formed with inlet channel (24) end mouth on the periphery of space segmentation cover (26a) end face central circular hole (27) and dock annular groove (30).
5. according to claim 1 or the long runner motor casing of 2 said layerings, it is characterized in that space segmentation cover fusiformis end face (29a) major axis is consistent with casing cover (6) two corresponding inwall spacings.
6. according to the long runner motor casing of the said layering of claim 1; It is characterized in that space segmentation cover (26b) bottom surface opened; Square fillet end face (29b) central authorities form the central circular hole (27) that appears motor air inlet (11); Be uniformly distributed with bloop (25a) on the end face of central circular hole periphery, space segmentation cover (26b) respective side leg (31b) forms the bloop (25b) that dot matrix distributes.
7. according to the long runner motor casing of the said layering of claim 1, it is characterized in that the space segmentation cover leg (31b) that forms dot matrix distribution bloop (25b) keeps a determining deviation with the interior ancient piece of jade, round, flat and with a hole in its centre of exhaust outlet (10) adjacent both sides casing covers (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010252034.1A CN102377278B (en) | 2010-08-12 | 2010-08-12 | Motor casing with layered long flow channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010252034.1A CN102377278B (en) | 2010-08-12 | 2010-08-12 | Motor casing with layered long flow channels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102377278A true CN102377278A (en) | 2012-03-14 |
| CN102377278B CN102377278B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010252034.1A Expired - Fee Related CN102377278B (en) | 2010-08-12 | 2010-08-12 | Motor casing with layered long flow channels |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381080A (en) * | 2012-05-02 | 2013-11-06 | 乐金电子(天津)电器有限公司 | Low-noise motor box of dust collector |
| CN104760869A (en) * | 2015-04-07 | 2015-07-08 | 李立群 | Lifter damping silent engine |
| CN104771114A (en) * | 2014-01-10 | 2015-07-15 | 天佑电器（苏州）有限公司 | Wet or dry dust collector |
| CN109247877A (en) * | 2017-07-14 | 2019-01-22 | 美的集团股份有限公司 | Dust catcher and its motor mould group |
| CN109951939A (en) * | 2019-04-24 | 2019-06-28 | 伟通工业设备（江苏）有限公司 | Multilayer pod and its UV curing anti fogging paint line dust-extraction unit |
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| KR20100003762A (en) * | 2008-07-02 | 2010-01-12 | 엘지전자 주식회사 | Dust separation apparatus of vacuum cleamer |
| CN101721181A (en) * | 2008-10-31 | 2010-06-09 | 乐金电子(天津)电器有限公司 | Motor exhausting and denoising structure of dust catcher |
| CN102457131A (en) * | 2010-10-29 | 2012-05-16 | 乐金电子(天津)电器有限公司 | Vibration-attenuating and noise-reducing structure of motor shell |
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2010
- 2010-08-12 CN CN201010252034.1A patent/CN102377278B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101196195A (en) * | 2006-12-06 | 2008-06-11 | 三星光州电子株式会社 | Fan motor case assembly for noise reduction |
| KR20100003762A (en) * | 2008-07-02 | 2010-01-12 | 엘지전자 주식회사 | Dust separation apparatus of vacuum cleamer |
| CN101721181A (en) * | 2008-10-31 | 2010-06-09 | 乐金电子(天津)电器有限公司 | Motor exhausting and denoising structure of dust catcher |
| CN201370537Y (en) * | 2009-02-17 | 2009-12-30 | 沈锦焕 | Dust collector with motor noise-eliminating cover |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381080A (en) * | 2012-05-02 | 2013-11-06 | 乐金电子(天津)电器有限公司 | Low-noise motor box of dust collector |
| CN104771114A (en) * | 2014-01-10 | 2015-07-15 | 天佑电器（苏州）有限公司 | Wet or dry dust collector |
| WO2015103966A1 (en) * | 2014-01-10 | 2015-07-16 | 天佑电器（苏州）有限公司 | Wet and dry dual-purpose dust collector |
| CN104771114B (en) * | 2014-01-10 | 2017-05-10 | 天佑电器（苏州）有限公司 | Dust collector |
| CN104760869A (en) * | 2015-04-07 | 2015-07-08 | 李立群 | Lifter damping silent engine |
| CN109247877A (en) * | 2017-07-14 | 2019-01-22 | 美的集团股份有限公司 | Dust catcher and its motor mould group |
| US11486282B2 (en) | 2017-07-14 | 2022-11-01 | Midea Group Co., Ltd. | Vacuum cleaner and electric motor module thereof |
| CN109951939A (en) * | 2019-04-24 | 2019-06-28 | 伟通工业设备（江苏）有限公司 | Multilayer pod and its UV curing anti fogging paint line dust-extraction unit |
| CN109951939B (en) * | 2019-04-24 | 2024-03-08 | 伟通工业设备（江苏）有限公司 | Multilayer kuppe and UV solidification antifog dust collector for coating line thereof |
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| CN102377278B (en) | 2015-06-10 |
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Granted publication date: 20150610 Termination date: 20160812 |