CN102599851A - Motor box structure for lowering noise of motor - Google Patents
Motor box structure for lowering noise of motor Download PDFInfo
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- CN102599851A CN102599851A CN2011100233440A CN201110023344A CN102599851A CN 102599851 A CN102599851 A CN 102599851A CN 2011100233440 A CN2011100233440 A CN 2011100233440A CN 201110023344 A CN201110023344 A CN 201110023344A CN 102599851 A CN102599851 A CN 102599851A
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Abstract
The invention discloses a motor box structure for lowering the noise of a motor. The motor box structure comprises a motor box body with one end being opened and a motor box cover connected with the opened end of the motor box body, wherein a plurality of air inlets are formed on a convex platform that protrudes in the center of the motor box cover, a sunk part that is sunk towards the direction of a fan-motor unit arranged in the motor box body is formed in the center of the convex platform, and air inlets are formed on the sunk part. For the motor box structure for lowering the noise of the motor, the hemispheric sunk part that is sunk towards the direction of a fan-motor unit is formed in the center of the convex platform arranged on the motor box cover, and the direction is consistent with the flowing direction of inlet air of the motor, so as to increase the air inlet volume to the maximum limit and effectively lower the noise at the air inlets of the motor caused by the flow of the air. Radial equal-interval partitions are arranged from the center of the sunk part to the outside, so as to play a role in guiding the air entering the motor, so that the air can not enter the motor disorderly, thereby lowering the noise at the air inlets of the motor.
Description
Technical field
The invention belongs to the electric equipment field of dust catcher, particularly relate to the boss central authorities formation depressed part that a kind of motor box covers, and put the motor box structure that can reduce motor noise of radial partition from the mediad peripheral hardware of depressed part.
Background technology
Dust suction is a kind of sanitation and hygiene electrical equipment, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.In general; Dust catcher mainly comprises aspirator and suction line; With motor and blower fan is that the aspirator that dominant shape becomes is arranged in the dust catcher body; Suction line comprises that suction nozzle, dust suction just managed and hose, and the air entry of the oriented under shed of suction nozzle also communicates with the air inlet of dust catcher body inner blower through firm pipe of dust suction and hose.
During the dust catcher running, the impeller of motor drives blower fan rotates at a high speed, and the air that dust catcher is inner discharges, and forms instantaneous vacuum in the inside of dust catcher, and forms a quite high Negative Pressure Difference between the ambient atmosphere.Under the effect of this Negative Pressure Difference, near the dust the suction nozzle sucks in the dust bucket in the dust catcher body through air entry together with air.The air that contains dust after filtering, is discharged to the dust catcher outside with the pure air after the dedusting again from the gas outlet in the dust bucket of dust catcher body.Like this, just reach the effect of dust out, cleaning floor.The suction rate of dust catcher is divided into a plurality of class that control, and adapts to the scope of operation of different cleaning objects such as ground, bed surface, carpet, sofa, corner, so that aspirate dust everywhere better.
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal (pot type) dust catcher and portable dust collector etc.For dust catcher, no matter be vertical type dust collector, horizontal dust collector or portable dust collector, at inner of dust catcher body or the outside dust bucket of assembling dust and foreign matter that is provided with; Inner dust of assembling of dust bucket and foreign matter need regularly to remove; To guarantee the normal use of dust catcher, therefore, dust bucket can take off usually; Make it to separate, reinstall to original position after removing rubbish again with dust catcher body.
During the work of dust catcher sucktion fan; Near the suction nozzle dust together with air through air intake duct and in air inlet is drawn into dust bucket; In dust bucket, form swirling eddy; The part dust drops to the staving bottom in the process of air-flow rotation, and the air of inspiration is simultaneously discharged outside the dust bucket through behind the separating and filtering.
Fig. 1 is the vertical view of the vacuum cleaner body of prior art; Fig. 2 is an A-A cutaway view among Fig. 1; Fig. 3 is the three-dimensional structure diagram of the motor lid of prior art.Extremely shown in Figure 3 like Fig. 1; The vacuum cleaner body of prior art comprises: the loam cake 4 that is arranged on body of dust collector 1 upside; The handle 6 of dust catcher is carried in loam cake 4 top center and integrally formed being used to of loam cake, the rotatable shifting roller 5 that both sides, body of dust collector 1 rear are provided with respectively.The effect of shifting roller is: body of dust collector is moved smoothly on the ground.In addition, the position, the place ahead, bottom surface of body of dust collector is provided with Caster, and the effect of Caster is: the moving direction that changes body of dust collector.Also be provided with winder (not shown) on the body of dust collector.The effect of winder is: power supply supplied to the electric wire that is arranged at the driver element in the body of dust collector rolls, and the keeping electric wire.The loam cake of body of dust collector is provided with the coil winder press key 7 that is used to operate winder.The place ahead of body of dust collector is provided with dismountable dust bucket 2 that is used to store dust, and the lateral wall of dust bucket is provided with and is used to carry the handle 3 that the fortune dust bucket is dumped rubbish.
The anterior dust bucket of body of dust collector below is provided with the connecting portion 13 that is communicated with suction nozzle, and suction nozzle is used to suck the extraneous air that contains dust.The downside of dust bucket is formed with the air inlet 14 that is communicated with connecting portion; The upper end of air inlet is communicated with the cyclone separator 9 that is arranged on the dust bucket top; The cyclone separator staving is inner to be equipped with cyclone 10 abreast with staving, offers on the cyclone separator wall dust is discharged to the dust outlet 12 in the dust bucket.Dust bucket and cyclone separator the place ahead are provided with the filter cartridge 11 of built-in sponge, and filter cartridge is connected the opening part of the cyclone of cyclone separator, and correspondence is provided with air intake.Body of dust collector inner filtration box the place ahead is provided with fan-electric motor units 8.Fan-electric motor units is the driver element of dust catcher, and it produces the air attraction, and the extraneous air that contains dust is inhaled in the body of dust collector through suction nozzle.
Dotted line among Fig. 2 is represented the air flow circuit in the dust catcher, and during dust catcher work, the ground air that contains dust will be inhaled in the cyclone separator through suction nozzle, connecting portion, air inlet.Cyclone separator utilizes cyclonic principle, promptly utilizes the difference of the centrifugal force between air and the dust to isolate oarse-grained dust.The dust that is separated falls in the dust bucket through dust outlet, and dust bucket is used to store dust.Smaller dust gets into filter cartridge with air through the through hole on the whirlwind wall, after the sponge in filter cartridge is filtered once more, is inhaled into fan-electric motor units inside, and the air outlet on body of dust collector is discharged.
Wherein, fan-electric motor units 8 is arranged in the motor box.One end of motor box is provided with dismountable motor lid 15, and the outstanding round boss 16 with certain area that forms in the mediad outside of motor lid 15 is formed with a plurality of air admission holes on the boss.A big air admission hole 18 is arranged on the central authorities of boss, is provided with a plurality of little air admission hole 17 of radial distribution towards periphery around the big passage.Cleaned air after the process filter cartridge filters is through being arranged on a plurality of air admission holes entering fan-electric motor units that motor box covers.
Motor is placed in the motor box, and purpose is to let motor box reduce the noise that motor rotation produced, and plays sound insulation and removes the effect of making an uproar.
But there is following problem in the motor box structure of aforesaid prior art: the air admission hole number that motor box covers is few, and total air inlet area is little; The flow velocity of air through fresh air inlet the time will be very fast; And flow direction is disorderly and unsystematic, thereby produces noise, does not have the purpose that reduces noise.The big air admission hole that is positioned at boss central authorities stops the ability of foreign matter entering relatively poor, in case foreign matter gets into fan-electric motor units from big air admission hole, can influence the normal operation of motor and fan, even damage motor.
Summary of the invention
The present invention is the technical problem that can produce noise when solving the air admission hole air intake that motor box covers in the prior art; And the boss central authorities that provide a kind of motor box to cover form depressed part, and put the motor box structure that can reduce motor noise of radial partition from the mediad peripheral hardware of depressed part.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The motor box structure of reduction motor noise of the present invention, motor box body that comprises an end opening and the motor lid that is connected motor box body openend; Be formed with a plurality of air admission holes on the boss of motor lid central protrusion, the central authorities of boss are formed with the depressed part of the fan-electric motor units direction depression in the motor box body, are formed with air admission hole on the depressed part.
Described depressed part is hemispherical.
Described depressed part is truncated cone.
Pillar outstanding outside the mediad of described depressed part is formed with radial many partitions to the edge of boss.
Every adjacent two formed angles of partition are identical.
The edge of described motor lid be provided with the motor box body on the connector that is connected of the fixture that is provided with.
The edge of described motor lid is provided with the claw that is connected to motor box body open end edge, and claw is arranged on the interval between the connector.
Advantage and good effect that the present invention has are:
The motor box structure of reduction motor noise of the present invention; Form hemispherical depression portion in the boss central authorities that motor box covers to fan-electric motor units direction depression; This direction is consistent with the flow direction of motor air intake; Can must increase the intake of motor to greatest extent, effectively reduce the motor air inlet because the noise that flows and caused of air.Put radial equally spaced partition from the mediad peripheral hardware of depressed part, can play guide effect, make air can not get into motor desultorily, thereby further reduced the noise of motor air inlet the air that gets in the motor.Simultaneously, the area of each air admission hole that motor box covers is very little, can prevent that foreign matter from sucking, and plays the effect of protection motor.
Description of drawings
Fig. 1 is the vertical view of the vacuum cleaner body of prior art;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the three-dimensional structure diagram of the motor lid of prior art;
Fig. 4 is the three-dimensional structure diagram of the motor box structure of reduction motor noise of the present invention;
Fig. 5 is the profile of motor box structure of the present invention;
Fig. 6 is the three-dimensional structure diagram of the motor lid of first embodiment of the invention;
Fig. 7 is the three-dimensional structure diagram of the motor lid of second embodiment of the invention;
Fig. 8 is the back side three-dimensional structure diagram of motor lid of the present invention.
Critical piece symbol description in the accompanying drawing:
1: body of dust collector 2: dust bucket 3: handle
4: loam cake 5: shifting roller 6: handle
7: coil winder press key 8: fan-electric motor units 9: cyclone separator
10: cyclone 11: filter cartridge 12: dust outlet
13: connecting portion 14: air inlet 15: the motor lid
16: boss 17: little air admission hole 18: big air admission hole
19: motor box structure 20: motor box body 21: the motor lid
22: exhaust outlet 23: fixture 24: connector
25: boss 26: cut off 27: depressed part
28: air admission hole 29: claw 30: pillar.
The specific embodiment
Followingly the present invention is carried out detailed explanation with reference to accompanying drawing and embodiment.The parts identical with prior art have used identical symbol among the present invention.
Fig. 4 is the three-dimensional structure diagram of the motor box structure of reduction motor noise of the present invention; Fig. 5 is the profile of motor box structure of the present invention.Like Fig. 4 and shown in Figure 5, the motor box structure 19 of reduction motor noise of the present invention comprises the motor box body 20 and the motor lid 21 that is connected motor box body 20 openends of an end opening.The side of motor box body 20 is provided with the exhaust outlet 22 of discharging gas, and the edge of motor box body 20 openends is provided with four fixtures 23 that are used to connect the motor lid, the identical distance in interval between every adjacent two fixtures.The edge of motor lid 21 be provided with motor box body 20 on the connector 24 that is connected of fixture 23.The edge of motor lid 21 also is provided with and is connected to the outwards claw 29 at outstanding edge of motor box body 20 openends, and claw 29 is arranged on the interval between the connector 24.
Fan-electric motor units 8 is arranged on motor box structure 19 inside of being made up of motor box body 20 and motor lid 21.Fan-electric motor units is placed the motor box inside configuration, and purpose is to let motor box reduce the noise that motor rotation produced, and plays sound insulation and removes the effect of making an uproar.
Fig. 6 is the three-dimensional structure diagram of the motor lid of first embodiment of the invention; Fig. 8 is the back side three-dimensional structure diagram of motor lid of the present invention.Like Fig. 6 and shown in Figure 8, outstanding laterally the round boss 25 that forms of motor lid 21, boss 25 with certain area be used for filter cartridge on air outlet be connected.Be formed with intensive a plurality of air admission holes 28 on the boss 25, the central authorities of boss 25 are formed with the depressed part 27 of the fan-electric motor units 8 directions depression in motor box body 20, also are formed with a plurality of air admission holes 28 on the depressed part 27.The shape of air admission hole 28 can be for circular or oval.Air admission hole 28 forms perpendicular to the wall of boss 25, forms orderly angle with the wall of depressed part 27, helps air and flows.
Above-mentioned depressed part 27 is hemispherical, and the central authorities of depressed part are provided with the pillar 30 to outer process, is formed with radial many from pillar 30 to the edge of boss 25 and cuts off 26, and every adjacent two formed angles of partition are identical.These cut off the effect of the air that gets into fan-electric motor units being played guiding.
Fig. 7 is the three-dimensional structure diagram of the motor lid of first embodiment of the invention.Like Fig. 7 and shown in Figure 8, outstanding laterally the round boss 25 that forms of motor lid 21, boss 25 with certain area be used for filter cartridge on air outlet be connected.Be formed with intensive a plurality of air admission holes 28 on the boss 25, the central authorities of boss 25 are formed with the depressed part 27 of the fan-electric motor units 8 directions depression in motor box body 20, and depressed part 27 is hemispherical, also is formed with a plurality of air admission holes 28 on the depressed part 27.The shape of air admission hole 28 can be for circular or oval.Air admission hole 28 forms perpendicular to the wall of boss 25, forms orderly angle with the wall of depressed part 27, helps air and flows.
Two above-mentioned embodiment are most preferred embodiments of the present invention, and the depressed part 27 of boss 25 central authorities also can form truncated cone shape or other shape.It is best that depressed part 27 is the hemispherical effect.
During dust catcher work, the ground air that contains dust will be inhaled in the cyclone separator through suction nozzle, connecting portion, the air inlet of the contact in ground.Cyclone separator utilizes cyclonic principle, promptly utilizes the difference of the centrifugal force between air and the dust to isolate oarse-grained dust.The dust that is separated falls in the dust bucket through dust outlet, and dust bucket is used to store dust.Smaller dust gets into filter cartridge with air through the through hole on the whirlwind wall; After filtration sponge in filter cartridge is filtered once more; It is inner that the air admission hole that covers through the air outlet and the motor box of filter cartridge is inhaled into fan-electric motor units, and the exhaust outlet on the motor box body is discharged again.
Air is through the air admission hole 28 on the motor lid 21 of the present invention the time; Because boss 25 central authorities that cover at motor box form the hemispherical depression portion 27 to fan-electric motor units direction depression; This direction is consistent with the flow direction of motor air; Therefore can must increase the intake of motor to greatest extent, effectively reduce the motor air inlet because the noise that flows and caused of air.Simultaneously; Put radial equally spaced partition 26 from the mediad peripheral hardware of depressed part 27; Can play guide effect to the air that gets in the motor, make air can not get into motor desultorily, thereby further reduced the noise of motor air inlet; Through experiment, motor box structure of the present invention can reduce the noise of 5dB.The area of each air admission hole that motor box covers is very little, if contain foreign matter in the air, these air admission holes can prevent that foreign matter from sucking, the protection motor.
Claims (7)
1. motor box structure that reduces motor noise comprises the motor box body (20) of an end opening and is connected the motor lid (21) of motor box body (20) openend; Be formed with a plurality of air admission holes (28) on the boss (25) of motor lid (21) central protrusion; It is characterized in that: the central authorities of boss (25) are formed with the depressed part (27) of fan-electric motor units (8) direction depression in the motor box body, are formed with air admission hole (28) on the depressed part.
2. the motor box structure of reduction motor noise according to claim 1 is characterized in that: described depressed part (27) is hemispherical.
3. the motor box structure of reduction clicking noise according to claim 1 is characterized in that: described depressed part (27) is truncated cone.
4. according to the motor box structure of any described reduction motor noise in claim 1 to the claim 3, it is characterized in that: pillar (30) outstanding outside the mediad of depressed part (27) is formed with radial many partitions (26) to the edge of boss (25).
5. the motor box structure of reduction motor noise according to claim 4 is characterized in that: every adjacent two formed angles of partition are identical.
6. the motor box structure of reduction motor noise according to claim 1 is characterized in that: the edge of motor lid (21) is provided with the connector (24) that is connected with the last fixture (23) that is provided with of motor box body (20).
7. the motor box structure of reduction motor noise according to claim 6; It is characterized in that: the edge of motor lid (21) is provided with the claw (29) that is connected to motor box body (20) open end edge, and claw (29) is arranged on the interval between the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023344.0A CN102599851B (en) | 2011-01-21 | 2011-01-21 | Motor box structure for lowering noise of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023344.0A CN102599851B (en) | 2011-01-21 | 2011-01-21 | Motor box structure for lowering noise of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102599851A true CN102599851A (en) | 2012-07-25 |
| CN102599851B CN102599851B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110023344.0A Expired - Fee Related CN102599851B (en) | 2011-01-21 | 2011-01-21 | Motor box structure for lowering noise of motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102599851B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618381A (en) * | 2017-01-04 | 2017-05-10 | 天佑电器（苏州）有限公司 | Fan mechanism and assembling method, fan head component and cleaning tool thereof |
| CN113876265A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
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| JPH0847204A (en) * | 1994-08-02 | 1996-02-16 | Hitachi Ltd | Electric rotary machine |
| JPH10211128A (en) * | 1997-01-30 | 1998-08-11 | Sanyo Electric Co Ltd | Vacuum cleaner |
| CN2376261Y (en) * | 1999-05-28 | 2000-05-03 | 海尔集团公司 | Low-noise suction cleaner |
| KR20060117711A (en) * | 2005-05-13 | 2006-11-17 | 삼성광주전자 주식회사 | A motor assembly and a vacuum cleaner having the same |
| CN101179214A (en) * | 2006-11-10 | 2008-05-14 | 乐金电子(天津)电器有限公司 | End closure structure of motor |
| CN201563021U (en) * | 2009-10-26 | 2010-08-25 | 中山大洋电机股份有限公司 | Shock-absorbing end cover structure of motor and motor using same |
| CN201696310U (en) * | 2010-01-14 | 2011-01-05 | 将凯电机股份有限公司 | Sucking device |
-
2011
- 2011-01-21 CN CN201110023344.0A patent/CN102599851B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0847204A (en) * | 1994-08-02 | 1996-02-16 | Hitachi Ltd | Electric rotary machine |
| JPH10211128A (en) * | 1997-01-30 | 1998-08-11 | Sanyo Electric Co Ltd | Vacuum cleaner |
| CN2376261Y (en) * | 1999-05-28 | 2000-05-03 | 海尔集团公司 | Low-noise suction cleaner |
| KR20060117711A (en) * | 2005-05-13 | 2006-11-17 | 삼성광주전자 주식회사 | A motor assembly and a vacuum cleaner having the same |
| CN101179214A (en) * | 2006-11-10 | 2008-05-14 | 乐金电子(天津)电器有限公司 | End closure structure of motor |
| CN201563021U (en) * | 2009-10-26 | 2010-08-25 | 中山大洋电机股份有限公司 | Shock-absorbing end cover structure of motor and motor using same |
| CN201696310U (en) * | 2010-01-14 | 2011-01-05 | 将凯电机股份有限公司 | Sucking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618381A (en) * | 2017-01-04 | 2017-05-10 | 天佑电器（苏州）有限公司 | Fan mechanism and assembling method, fan head component and cleaning tool thereof |
| CN113876265A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
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| Publication number | Publication date |
|---|---|
| CN102599851B (en) | 2017-01-25 |
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Effective date of registration: 20160516 Address after: 210014 Yongfeng Road, Qinhuai District, Jiangsu, No. 28, No. Applicant after: Nanjing LG Panda Appliances Co., Ltd. Address before: 300402 Tianjin city Beichen District Xingdian Road Applicant before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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Granted publication date: 20170125 Termination date: 20180121 |
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