CN102599851B - Motor box structure for lowering noise of motor - Google Patents
Motor box structure for lowering noise of motor Download PDFInfo
- Publication number
- CN102599851B CN102599851B CN201110023344.0A CN201110023344A CN102599851B CN 102599851 B CN102599851 B CN 102599851B CN 201110023344 A CN201110023344 A CN 201110023344A CN 102599851 B CN102599851 B CN 102599851B
- Authority
- CN
- China
- Prior art keywords
- motor
- motor box
- air
- dust
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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, the boss central authorities on more particularly to a kind of motor box lid are formed
Depressed part, and the motor box structure that can reduce motor noise of radial cut-off is put from the mediad peripheral hardware of depressed part.
Background technology
Dust suction is a kind of sanitation and hygiene electrical equipment, for removing in ground, carpet, wall, furniture, clothing and various gap
Dust.In general, dust catcher mainly includes aspirator and suction line, the suction dress being formed based on motor and blower fan
Put and be arranged in dust catcher body, suction line includes suction nozzle, dust-collection rigid tube and hose, suction nozzle has downwardly open air-breathing
Mouth is simultaneously communicated with the air inlet of dust catcher body inner blower by dust-collection rigid tube and hose.
During dust catcher operating, motor drives the impeller high-speed rotation of blower fan, and the air within dust catcher is discharged,
Dust catcher be internally formed instantaneous vacuum, and ambient atmosphere between formed an at a relatively high Negative Pressure Difference.Work in this Negative Pressure Difference
With under, dust near suction nozzle is sucked in the dust bucket in dust catcher body by air entry together with air.Containing dust
Air in the dust bucket of dust catcher body after filtering, then the pure air after dedusting is discharged to dust catcher from gas outlet
Outside.So, dust out, the effect on cleaning ground are just reached.The suction rate of dust catcher is divided into the class of multiple operable controls,
Adapt to the scope of operation of the different cleaning objects such as ground, bed surface, carpet, sofa, corner, preferably to aspirate dust everywhere.
According to the form class of dust catcher, vertical type dust collector, horizontal (pot type) dust catcher and portable dust collector can be divided into
Deng.For dust catcher, either vertical type dust collector, horizontal dust collector or portable dust collector, in dust catcher body
Portion or outside are provided with the dust assembled inside the dust bucket of gather dust and foreign matter, dust bucket and foreign matter need periodically clear
Remove, to ensure the normal use of dust catcher, therefore, dust bucket generally can take off, and is allowed to separate with dust catcher body, remove
Original position is reinstalled to again after rubbish.
During the work of dust catcher sucktion fan, the dust near suction nozzle is taken out by air intake duct and through air inlet together with air
It is drawn onto in dust bucket, form swirling eddy in dust bucket, part dust drops to staving bottom during flow rotation,
The air of inspiration simultaneously, after separating and filtering, is discharged outside dust bucket.
Fig. 1 is the top view of the vacuum cleaner body of prior art；Fig. 2 is a-a sectional view in Fig. 1；Fig. 3 is existing skill
The three-dimensional structure diagram of the motor lid of art.As shown in Figure 1 to Figure 3, the vacuum cleaner body of prior art includes: is arranged on suction
The upper lid 4 of dirt device body 1 upside, upper lid 4 top center and the integral part of handle 6 for carrying dust catcher of upper lid, dust suction
The rotatable shifting roller 5 that device body 1 rear both sides are respectively provided with.The effect of shifting roller is: makes body of dust collector smoothly
Move on the ground.In addition, position is provided with Caster in front of the bottom surface of body of dust collector, the effect of Caster is: changes and inhales
The moving direction of dirt device body.Winder (not shown) is additionally provided with body of dust collector.The effect of winder is: power supply is supplied
The electric wire being given to the driver element being arranged in body of dust collector is rolled, and keeping electric wire.Setting is covered on body of dust collector
There is the coil winder press key 7 for operating winder.The front of body of dust collector is provided with dismountable collection for storing dust
Dust barrel 2, the lateral wall of dust bucket is provided with for carrying the handle 3 that fortune dust bucket is dumped rubbish.
It is provided with the connecting portion 13 of connection suction nozzle, suction nozzle contains dust for suction below the dust bucket of body of dust collector front portion
Extraneous air.The downside of dust bucket is formed with the air inlet 14 connecting with connecting portion, and the upper end connection of air inlet is arranged on collection
Cyclone separator 9 above dust barrel, cyclone separator staving is internal to be abreast provided with cyclone 10, cyclone separator with staving
The dust outlet 12 dust being discharged in dust bucket is offered on wall.It is provided with built-in sea in front of dust bucket and cyclone separator
Continuous filter cartridge 11, filter cartridge is connected at the opening of the cyclone of cyclone separator, and is correspondingly provided with air intake.Dust catcher
It is provided with fan-electric motor units 8 in front of this internal filter cartridge.Fan-electric motor units are the driver elements of dust catcher, and it produces empty
Aspiration gravitation, makes the extraneous air containing dust be inhaled in body of dust collector by suction nozzle.
Dotted line in Fig. 2 represents the air flow circuit in dust catcher, during dust catcher work, the sky containing dust on ground
Gas, will be inhaled in cyclone separator by suction nozzle, connecting portion, air inlet.Cyclone separator utilizes cyclonic principle, that is, utilize sky
The difference of the centrifugal force between gas and dust is isolating oarse-grained dust.The dust being separated is fallen by dust outlet
Enter in dust bucket, dust bucket is used for storing dust.The through hole that smaller dust is passed through on whirlwind wall together with air enters
Filter cartridge, after filtering again through the sponge in filter cartridge, is inhaled into inside fan-electric motor units, through going out on body of dust collector
Air port is discharged.
Wherein, fan-electric motor units 8 are arranged in motor box.One end of motor box is provided with dismountable motor lid
15, the mediad formation protruding outside of motor lid 15 has the round boss 16 of certain area, boss is formed with multiple enter
Pore.One big air admission hole 18 is arranged on the central authorities of boss, and the surrounding of big passage arranges the many of oriented product distribution
Individual little air admission hole 17.The multiple air admission holes on the configured lid in motor box of cleaned air after filter cartridge filters enter inlet air
Fan-electric motor units.
Motor is placed in motor box it is therefore an objective to allow motor box reduce noise produced by motor rotation, plays sound insulation and remove
The effect made an uproar.
But, there are the following problems for the motor box structure of prior art as above: the air admission hole on motor box lid
Number is few, and total air inlet area is little, and flow velocity when through fresh air inlet for the air will quickly, and flow direction is disorderly and unsystematic, thus
Produce noise, do not have the purpose reducing noise.Big air admission hole positioned at boss central authorities stops the ability that foreign matter enters poor, and one
Denier foreign matter enters fan-electric motor units from big air admission hole, can affect the normal operation of motor and fan, or even damages motor.
Content of the invention
The present invention is to ask to solve produce the technology of noise during the air admission hole air intake on motor box lid in prior art
Topic, and provide on a kind of motor box lid boss central authorities formed depressed part, and from the mediad peripheral hardware of depressed part put radial every
The disconnected motor box structure that can reduce motor noise.
The present invention is adopted the technical scheme that by solving technical problem present in known technology:
The present invention reduction motor noise motor box structure, include one end open motor box body be connected to motor box
The motor lid of body openend；Multiple air admission holes are formed with the boss of motor lid central protrusion, the central authorities of boss are formed with
To the depressed part of the fan in motor box body-electric motor units direction depression, depressed part is formed with air admission hole.
Described depressed part is hemispherical.
Described depressed part is in truncated cone.
It is formed with radial a plurality of cut-off from the central authorities of described depressed part pillar outwardly to convex edge of table.
The angle that often two neighboring cut-off is formed is identical.
The edge of described motor lid is provided with the connector being connected with the fixture of setting on motor box body.
The edge of described motor lid is provided with the claw being connected to motor box body open end edge, and claw is arranged on even
Interval between fitting.
The present invention has the advantages and positive effects that:
The motor box structure of the reduction motor noise of the present invention, the boss central authorities on motor box lid are formed to fan-electricity
The hemispherical depression portion of machine cell orientation depression, this direction is consistent with the flow direction of motor air intake, can must increase to greatest extent
Plus the intake of motor, effectively reduce motor air inlet because the noise caused by the flowing of air.Central authorities from depressed part
Radial equally spaced cut-off is outwards set, guide effect can be played to entering the air in motor, make air mixed and disorderly
No chapter ground enters motor, thus reduce further the noise of motor air inlet.Meanwhile, each air admission hole on motor box lid
Area very little, is prevented from foreign-body aspiration, plays the effect of protection motor.
Brief description
Fig. 1 is the top view of the vacuum cleaner body of prior art；
Fig. 2 is a-a sectional view in 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 the 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 the motor lid of the present invention.
Critical piece symbol description in accompanying drawing:
1: body of dust collector 2: dust bucket 3: handle
4: upper lid 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: motor lid
16: boss 17: little air admission hole 18: big air admission hole
19: motor box structure 20: motor box body 21: 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.
Specific embodiment
Referring to the drawings and embodiment the present invention will be described in detail.Portion same as the prior art in the present invention
Part employs identical symbol.
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 motor box of the present invention
The profile of structure.As shown in Figure 4 and Figure 5, the motor box structure 19 of the reduction motor noise of the present invention, including one end open
Motor box body 20 and the motor lid 21 being connected to motor box body 20 openend.The side of motor box body 20 is provided with discharge gas
Exhaust outlet 22, the edge of motor box body 20 openend is provided with four fixtures 23 for connecting motor lid, often adjacent
It is spaced identical distance between two fixtures.The edge of motor lid 21 is provided with the fixture 23 on motor box body 20 even
The connector 24 connecing.The edge of motor lid 21 is additionally provided with the pawl being connected to motor box body 20 openend edge outwardly
Portion 29, claw 29 is arranged on the interval between connector 24.
Fan-electric motor units 8 are arranged on inside the motor box structure 19 being made up of motor box body 20 and motor lid 21.Will
Fan-electric motor units be placed in motor box inside configuration it is therefore an objective to allow motor box reduce motor rotation produced by noise, play every
Sound removes the effect made 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 of the body of the motor lid of the present invention
Face three-dimensional structure diagram.As shown in Figure 6 and Figure 8, motor lid 21 projects laterally and forms the round boss 25 with certain area,
Boss 25 is used for being connected with the air outlet on filter cartridge.Intensive multiple air admission holes 28 are formed with boss 25, in boss 25
Centre forms the depressed part 27 of the fan-electric motor units 8 direction depression in oriented motor box body 20, depressed part 27 is also formed with many
Individual air admission hole 28.The shape of air admission hole 28 can be circular or oval.Air admission hole 28 is formed perpendicular to the wall of boss 25,
Form orderly angle with the wall of depressed part 27, be conducive to air flow.
Above-mentioned depressed part 27 is hemispherical, and the central authorities of depressed part are provided with pillar 30 outwardly, from pillar 30 to
The edge of boss 25 is formed with radial a plurality of cut-off 26, and the angle that often two neighboring cut-off is formed is identical.These cut-offs
The air entering fan-electric motor units is played with the effect of guiding.
Fig. 7 is the three-dimensional structure diagram of the motor lid of first embodiment of the invention.As shown in Figure 7 and Figure 8, motor lid 21
Project laterally and form the round boss 25 with certain area, boss 25 is used for being connected with the air outlet on filter cartridge.Boss
It is formed with intensive multiple air admission holes 28, the central authorities of boss 25 form the fan-electric motor units 8 in oriented motor box body 20 on 25
The depressed part 27 of direction depression, depressed part 27 is hemispherical, and depressed part 27 is also formed with multiple air admission holes 28.Air admission hole 28
Shape can be circular or oval.Air admission hole 28 is formed perpendicular to the wall of boss 25, is formed with the wall of depressed part 27
Orderly angle, is conducive to air flow.
Two above-mentioned embodiments are highly preferred embodiment of the present invention, and the depressed part 27 in boss 25 central authorities can also form circle
Frustum shape or other shapes.The hemispherical effect of depressed part 27 is best.
During dust catcher work, the air containing dust on ground, by the suction nozzle passing through to contact in ground, connecting portion, enters
Air port is inhaled in cyclone separator.Cyclone separator utilizes cyclonic principle, that is, using the centrifugal force between air and dust
Difference is isolating oarse-grained dust.The dust being separated falls in dust bucket by dust outlet, and dust bucket is used for
Storage dust.The through hole that smaller dust is passed through on whirlwind wall together with air enters filter cartridge, through the mistake in filter cartridge
After filter sponge is filtered again, the air admission hole on air outlet and motor box lid through filter cartridge is inhaled into inside fan-electric motor units,
Discharge through the exhaust outlet on motor box body again.
Air in the air admission hole 28 on the motor lid 21 of the present invention, due in the boss 25 on motor box lid
Centre forms the hemispherical depression portion 27 to fan-electric motor units direction depression, and this direction is consistent with the flow direction of motor air,
Therefore, it is possible to the intake of motor must be increased to greatest extent, effectively reduce motor air inlet because air flowing caused by
Noise.Meanwhile, put radial equally spaced cut-off 26 from the mediad peripheral hardware of depressed part 27, can be to the air entering in motor
Playing guide effect, making air will not desultorily enter motor, thus reduce further the noise of motor air inlet, warp
Experiment, the motor box structure of the present invention can reduce the noise of 5db.The area very little of each air admission hole on motor box lid, if
In the air contains foreign matter, and these air admission holes are prevented from foreign-body aspiration, protects motor.
Claims (6)
1. a kind of motor box structure reducing motor noise, the motor box body (20) including one end open and be connected to motor box body
(20) the motor lid (21) of openend；It is formed with multiple air admission holes on the boss (25) of motor lid (21) central protrusion
(28) it is characterised in that: the central authorities of boss (25) formed in oriented motor box body fan-electric motor units (8) direction depression
Depressed part (27), depressed part is formed with air admission hole (28)；From the central authorities of depressed part (27) pillar (30) outwardly to convex
The edge of platform (25) is formed with radial a plurality of cut-off (26).
2. according to claim 1 reduction motor noise motor box structure it is characterised in that: described depressed part
(27) hemispherical.
3. according to claim 1 reduction motor noise motor box structure it is characterised in that: described depressed part
(27) it is in truncated cone.
4. according to claim 1 reduce motor noise motor box structure it is characterised in that: often two neighboring cut-off institute
The angle being formed is identical.
5. according to claim 1 reduction motor noise motor box structure it is characterised in that: motor lid (21)
Edge is provided with the connector (24) being connected with the fixture (23) of the upper setting of motor box body (20).
6. according to claim 5 reduction motor noise motor box structure it is characterised in that: motor lid (21)
Edge is provided with the claw (29) being connected to motor box body (20) open end edge, between claw (29) is arranged between connector
Every place.
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 CN102599851A (en) | 2012-07-25 |
| CN102599851B true CN102599851B (en) | 2017-01-25 |
Family
ID=46517918
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 |
|---|---|
| CN (1) | CN102599851B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618381B (en) * | 2017-01-04 | 2022-05-13 | 天佑电器（苏州）有限公司 | Fan mechanism and assembling method thereof, head assembly and cleaning tool |
| CN112716396B (en) * | 2021-01-09 | 2021-11-23 | 苏州简单有为科技有限公司 | Wet type cleaning device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| 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 |
-
2011
- 2011-01-21 CN CN201110023344.0A patent/CN102599851B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102599851A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101489457B (en) | A cleaning appliance | |
| JP5869730B2 (en) | Cleaning tool | |
| JP5869732B2 (en) | Cleaning tool | |
| US8302253B2 (en) | Cyclone separation dust cup and vacuum cleaner using the same | |
| US20120222252A1 (en) | Surface cleaning apparatus | |
| WO2012089073A1 (en) | Cyclone separation device and cyclone vacuum cleaner mounted with same | |
| JP2015523888A (en) | Free-standing cleaning tool | |
| JP5914756B2 (en) | Cleaning tool | |
| WO2013127237A1 (en) | Dust collecting device having central cyclone separation structure, and precipitator | |
| CN101919673A (en) | Compound cyclone separator of dust collector | |
| CN101530307B (en) | Dust collecting barrel of vacuum cleaner with whirlwind structure | |
| CN102599851B (en) | Motor box structure for lowering noise of motor | |
| CN101992152A (en) | Cyclone separation device for preventing dust backflow | |
| CN101843463A (en) | Novel dust collector dust collection barrel | |
| CN201333001Y (en) | Cyclone type non-cylinder shaped secondary dust-separating cup of dust collector | |
| CN102670132A (en) | Cyclone separation dust collecting device | |
| CN202198537U (en) | Cyclone separating device and cyclone vacuum cleaner with the cyclone separating device | |
| CN206880629U (en) | Hand held cleaner | |
| CN206044523U (en) | The main frame of vacuum cleaner and vacuum cleaner | |
| CN101332066B (en) | Dust collection tube with tri-level cyclone structure | |
| CN101897559B (en) | Fixation structure of dust collecting barrel of vacuum cleaner | |
| CN205458415U (en) | Hand -held vacuum cleaner | |
| CN103479297A (en) | Low-noise motor casing structure with crossed flow channel of vacuum cleaner | |
| CN101999867A (en) | Cyclone separator of dust collector | |
| CN205458414U (en) | Hand -held vacuum cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
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) |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20180121 |