CN101427894A - Shock-absorption noise-reduction connecting structure of dust aspirator motor - Google Patents
Shock-absorption noise-reduction connecting structure of dust aspirator motor Download PDFInfo
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- CN101427894A CN101427894A CNA2007101501040A CN200710150104A CN101427894A CN 101427894 A CN101427894 A CN 101427894A CN A2007101501040 A CNA2007101501040 A CN A2007101501040A CN 200710150104 A CN200710150104 A CN 200710150104A CN 101427894 A CN101427894 A CN 101427894A
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- motor
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- dust collector
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Abstract
A shock-absorption noise-lowering connection structure for a dust collector motor comprises a motor support and bracket arranged in a motor chamber; a rubber sealing block connected with one end of the motor; a fixed rubber ring arranged on the other end of the motor; and a motor cover arranged outside the motor casing and comprising a main body including two opposite small arc surfaces connected with two opposite large arc surfaces, an end face with a square hole on the side, and an arch-shaped silencer comprising the extended sections of the two large arc surfaces, wherein the arc-shaped silencer has a hollow cavity and is provided with air inlets on two inner sides and air outlets on two outer sides; the rubber sealing block comprises a location pillar on the one side of disc connection, a convex stage on the other side, a square body and a plurality of clamps on the convex stage; and an arc-shaped rubber cushion is arranged between the motor cover on the other end of the motor and the fixed rubber ring. The motor cover with the arc-shaped silencer arranged outside the motor casing can lower the noise and absorb shock.
Description
Technical field
The invention belongs to the dust catcher field, particularly relate to a kind of outside the motor of dust collector housing, the setting and have the motor cover of arc silencer, can reduce the motor of dust collector syndeton of noise and damping.
Background technology
Dust catcher is a kind of household electrical appliance of indoor cleaning health, 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 body, suction line comprises suction nozzle and air intake duct, and the air entry of the oriented under shed of suction nozzle and telescoping tube and flexible pipe by air intake duct communicate with the air inlet of body inner blower.
In dust catcher when running,, the impeller of motor drives blower fan rotates at a high speed, and the air of dust catcher inside is discharged, 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 body by air entry together with air.The air that contains dust after filtering, is discharged to the dust catcher outside again in the dust bucket of body.Like this, just reach the effect of dust out, cleaning floor.The suction rate of dust catcher is divided into a plurality of retainings of operating control, 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 dust collector and portable dust collector etc.
Fig. 1 is that the prior art motor is installed in structure chart in the drain pan; Fig. 2 is a prior art motor mounting part position enlarged drawing; Fig. 3 is the drain pan part-structure figure that prior art is not installed motor;
The vacuum cleaner bottom of prior art as shown in Figure 1, the drain pan front portion is formed with dust compartment 2; Drain pan 1 rear portion forms motor bin 3.
Dust sucting motor 5 installation diagram such as Fig. 2, shown in Figure 3 in drain pan installs dust sucting motor 5 on electric machine support 7 in the motor bin and the carriage 8, motor one end is connected with rubber seal piece 4, and the other end combines with fixing rubber ring 6.Motor installs the rubber seal piece and fixedly behind the rubber ring, refills on electric machine support and the carriage.
The side of rubber seal piece has two reference columns to insert in the hole of motor end faces to connect (not shown); Motor fixedly rubber ring has stair-stepping hole, and stepped macropore is enclosed within on the motor casing, and dust collector upper cover is pressed in the top, and (not shown) seals.
Generally speaking, in case dust catcher drives, will produce noise in the motor assembly.Noise comprises following several: the mobile noise of air; The magnetic noise of motor; Noise that produces because of the blade rotation frequency that produces during the blade of air by fan etc.
In motor bin, form eddy current after air-flow is discharged from motor after, discharge, produce very big pneumatic noise and very sharp-pointed noise of motor from the exhaust outlet of dust collector upper cover.Noise will spread out of by exhaust outlet, and the wall that perhaps can see through motor bin emits to the outside.Make the people feel lather.
Therefore,, be provided with acoustic materials such as sponge, but acoustic material itself impacts to the suction of motor, so its use is limited in order to reduce noise through motor housing.
In addition, the structure of the rubber seal piece 4 of prior art as shown in Figure 4, Fig. 4 is a prior art rubber seal piece stereogram; The rubber seal piece is made of the reference column 11 of disk 9 connections one side, the square body 10 of opposite side.The rubber seal piece of this structure only connects in the hole by two reference columns insertion motor end faces, and is not firm.And poor sealing.
Summary of the invention
The present invention provides a kind of the setting outside motor casing to have the motor cover of arc silencer for solving the technical problem that exists in the known technology, can reduce the motor of dust collector syndeton of noise and damping.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: the shock-absorption noise-reduction connecting structure of motor of dust collector of the present invention comprises: electric machine support, carriage in the motor bin; Be connected the rubber seal piece of motor one end; Be contained in the fixedly rubber ring of the motor other end; Also comprise and be located at the outer motor cover of motor casing; Motor cover is connected body that two relative great circle cambered surfaces form, end face that a side has square hole, is reached two orthodromes and form towards the arc silencer that outer expansion forms by two relative roundlet cambered surfaces; The arc silencer is cavity, and two medial surface is provided with air inlet, and two lateral surfaces are provided with air outlet; The rubber seal piece is the reference column that is connected a side by disk; Several card articles on the boss of opposite side, square body and the boss constitute; Motor other end motor cover and the arc rubber blanket fixedly is housed between the rubber ring.
The present invention can also adopt following technical measures:
The shape of described arc rubber blanket is corresponding with shape, the size of motor cover body.
Described several card articles are distributed in around the boss.
The cross sectional shape of described card article is a triangle, and the inclined-plane of triangle section is towards the boss outside.
Described air inlet and air outlet lay respectively at the two ends of arc muffler cavities.
Two air inlets of described arc silencer are located at medial surface respectively to the angular direction.
Two air outlets of described arc silencer are located at lateral surface respectively to the angular direction.
Advantage and good effect that the present invention has are:
The shock-absorption noise-reduction connecting structure of motor of dust collector of the present invention is according to the silencer basic principle, dexterously silencer is added on the motor cover with the method for arc design, has solved the difficulty that can't lay silencer because the motor bin space is narrow and small.The design of arc silencer has solved the utilization of confined space in the motor bin effectively.
Have the motor cover of arc silencer owing to be provided with outside motor casing, the size that chooses each parameter of silencer can have good elimination effect to the frequency noise of fixed-bandwidth, has reduced noise.The noise level of dust catcher is descended.
Also have the rubber seal piece at motor two ends and arc rubber blanket fixed electrical machinery cover well, improve the sealing of motor cover; And can effectively reduce the propagation of vibrations, stop vibration transmission to drain pan.The noise level of dust catcher is descended.
Description of drawings
Fig. 1 is that the prior art motor is installed in structure chart in the drain pan;
Fig. 2 is a prior art motor mounting part position enlarged drawing;
Fig. 3 is the drain pan part-structure figure that prior art is not installed motor;
Fig. 4 is a prior art rubber seal piece stereogram;
Fig. 5 is a motor mounting part of the present invention position enlarged drawing;
Fig. 6 is a motor cover stereogram of the present invention;
Fig. 7 is a rubber seal piece front view of the present invention;
Fig. 8 is a rubber seal piece left view of the present invention;
Fig. 9 is a rubber seal piece right view of the present invention;
Figure 10 is an arc rubber blanket stereogram of the present invention.
Critical piece symbol description in the accompanying drawing:
1: drain pan 2: dust compartment 3: motor bin
4: rubber seal piece 5: motor 6: fixing rubber ring
7: electric machine support 8: carriage 9: disk
10: square body 11: reference column 12: boss
13: card article 14: arc rubber blanket 15: motor cover
16: rubber seal piece 17: roundlet cambered surface 18: body
19: great circle cambered surface 20: air outlet 21: the arc silencer
22: square hole 23: end face 24: air inlet
25: recess
The specific embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.Parts same as the prior art have used identical symbol among the present invention.
Fig. 5 is a motor mounting part of the present invention position enlarged drawing; Fig. 6 is a motor cover stereogram of the present invention; Fig. 7 is a rubber seal piece front view of the present invention; Fig. 8 is a rubber seal piece left view of the present invention; Fig. 9 is a rubber seal piece right view of the present invention; Figure 10 is an arc rubber blanket stereogram of the present invention.
To shown in Figure 10, the shock-absorption noise-reduction connecting structure of motor of dust collector of the present invention comprises as Fig. 5: electric machine support 7, carriage 8 in the motor bin 3; Be connected the rubber seal piece 16 of motor 5 one ends; Be contained in the fixedly rubber ring 6 of the motor other end.
Also comprise and be located at the outer motor cover 15 of motor casing; Motor cover is connected body 18 that two relative great circle cambered surfaces 19 form, end face 23 that a side has square hole 22, is reached two orthodromes and form towards the arc silencer 21 that outer expansion forms by two relative roundlet cambered surfaces 17.
The arc silencer is cavity, and two medial surface is provided with 24, two lateral surfaces of air inlet and is provided with air outlet 20.
Air inlet and air outlet lay respectively at the two ends of arc muffler cavities.Guaranteed that wind flows through sufficiently long path in the arc silencer, reach better reduction noise result.
Two air inlets of arc silencer are located at medial surface respectively to the angular direction.The wind that motor is come out enters from two different air inlets along arc silencer medial surface, has increased intake, reduces noise quickly.
Two air outlets of arc silencer are located at lateral surface respectively to the angular direction.Two air outlets are located at the wind that the angular direction is used and do not disturb smooth air draft mutually.
From Fig. 6, can only see the position of an air inlet and an air outlet, but by indication among the position of another one air inlet and an air outlet such as the figure as can be known in the top narration.
As Fig. 7, Fig. 8, shown in Figure 9, the rubber seal piece is to be made of several card articles 13 on boss 12, square body 10 and the boss of the reference column 11 of disk 9 connections one side, opposite side.Several card articles are distributed in around the boss.
The cross sectional shape of card article is a triangle, and the inclined-plane of triangle section is towards the boss outside.Card article around the rubber seal piece boss is stuck on the space between motor cover and the rubber seal piece, and it is firm that motor cover is connected with the rubber seal piece, plays fixation, and improved sealing.
The inclined-plane of the triangle section of card article installs motor cover easily towards the boss outside.
The rubber seal piece has a recess 25 in the disc centre of reference column one side, and recess is used for getting out of the way the ledge of motor.
Connect (not shown) in the hole of two reference columns insertion motor end faces of rubber seal piece side;
Motor other end motor cover and arc rubber blanket 14 fixedly is housed between the rubber ring.
The shape of arc rubber blanket is corresponding with shape, the size of motor cover body.The arc rubber blanket is used for sealed electric-motor cover body and the fixing space between the rubber ring.
Rubber seal piece and arc rubber blanket also can stop vibration transmission to drain pan.
The present invention is provided with motor cover outside motor casing, be formed with the arc silencer on the motor cover.After gas is discharged from motor, two air inlets along arc silencer medial surface enter cavity, because gas arrives bulky cavity suddenly from the small space between motor casing and the motor cover, gas flow rate descends, thereby has reduced the gas flow noise.
The arrow direction is the signal that gas entered and discharged the arc silencer among Fig. 6.
Gas is discharged from the exhaust outlet of dust catcher after forming eddy current again from the air outlet to the motor bin.
Claims (7)
1, a kind of shock-absorption noise-reduction connecting structure of motor of dust collector comprises: electric machine support (7), carriage (8) in the motor bin (3); Be connected the rubber seal piece (16) of motor (5) one ends; Be contained in the fixedly rubber ring (6) of the motor other end; It is characterized in that: also comprise being located at the outer motor cover (15) of motor casing; Motor cover is connected body (18) that two relative great circle cambered surfaces (19) form, end face (23) that a side has square hole (22), is reached two orthodromes and form towards the arc silencer (21) that outer expansion forms by two relative little arc surfaces (17); The arc silencer is cavity, and two medial surface is provided with air inlet (24), and two lateral surfaces are provided with air outlet (20); The rubber seal piece is to be made of several card articles (13) on boss (12), square body (10) and the boss of the reference column (11) of disk (9) connection one side, opposite side; Motor other end motor cover and arc rubber blanket (14) fixedly is housed between the rubber ring.
2, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: the shape of arc rubber blanket is corresponding with shape, the size of motor cover body.
3, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: several card articles are distributed in around the boss.
4, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: the cross sectional shape of card article is a triangle, and the inclined-plane of triangle section is towards the boss outside.
5, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: air inlet and air outlet lay respectively at the two ends of arc muffler cavities.
6, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: two air inlets of arc silencer are located at medial surface respectively to the angular direction.
7, the shock-absorption noise-reduction connecting structure of motor of dust collector according to claim 1 is characterized in that: two air outlets of arc silencer are located at lateral surface respectively to the angular direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101501040A CN101427894B (en) | 2007-11-07 | 2007-11-07 | Shock-absorption noise-reduction connecting structure of dust aspirator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101501040A CN101427894B (en) | 2007-11-07 | 2007-11-07 | Shock-absorption noise-reduction connecting structure of dust aspirator motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101427894A true CN101427894A (en) | 2009-05-13 |
| CN101427894B CN101427894B (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101501040A Expired - Fee Related CN101427894B (en) | 2007-11-07 | 2007-11-07 | Shock-absorption noise-reduction connecting structure of dust aspirator motor |
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| CN (1) | CN101427894B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579026A (en) * | 2012-02-21 | 2012-07-18 | 深圳邦普医疗设备系统有限公司 | Silence structure of electronic sphygmomanometer |
| CN104274123A (en) * | 2014-07-24 | 2015-01-14 | 莱克电气绿能科技(苏州)有限公司 | Assembling positioning mechanism for bed dust remover |
| CN105962827A (en) * | 2016-06-29 | 2016-09-28 | 广东美的环境电器制造有限公司 | Hand dryer |
| CN106184488A (en) * | 2016-07-27 | 2016-12-07 | 陈春红 | A kind of supporting structure of sulky vehicle easily |
| CN106218755A (en) * | 2016-07-27 | 2016-12-14 | 金华市四维空间汽车用品有限公司 | A kind of New-support device of cart |
| CN106240678A (en) * | 2016-07-27 | 2016-12-21 | 金华市四维空间汽车用品有限公司 | The holder device that a kind of cart is parked |
| CN106240677A (en) * | 2016-07-27 | 2016-12-21 | 金华市四维空间汽车用品有限公司 | A kind of holder device for cart |
| CN106955061A (en) * | 2017-05-16 | 2017-07-18 | 苏州海歌电器科技有限公司 | Dust catcher shock-damping structure |
| WO2018195988A1 (en) * | 2017-04-28 | 2018-11-01 | 江苏美的清洁电器股份有限公司 | Ground brush assembly and vacuum cleaner having same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970009718A (en) * | 1995-08-31 | 1997-03-27 | 배순훈 | Sound absorption room which lengthened exhaust channel of vacuum cleaner |
| SE0202109D0 (en) * | 2002-07-04 | 2002-07-04 | Electrolux Ab | Noise-canceling device for vacuum cleaners |
| JP4028872B2 (en) * | 2004-11-05 | 2007-12-26 | 三星光州電子株式会社 | Exhaust device for motor assembly and vacuum cleaner including the same |
| KR101143773B1 (en) * | 2004-12-03 | 2012-05-11 | 엘지전자 주식회사 | Noise reduction system for fan-motor of vacuum cleaner |
-
2007
- 2007-11-07 CN CN2007101501040A patent/CN101427894B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579026A (en) * | 2012-02-21 | 2012-07-18 | 深圳邦普医疗设备系统有限公司 | Silence structure of electronic sphygmomanometer |
| CN102579026B (en) * | 2012-02-21 | 2013-12-04 | 深圳邦普医疗设备系统有限公司 | Silence structure of electronic sphygmomanometer |
| CN104274123A (en) * | 2014-07-24 | 2015-01-14 | 莱克电气绿能科技(苏州)有限公司 | Assembling positioning mechanism for bed dust remover |
| CN104274123B (en) * | 2014-07-24 | 2017-03-15 | 莱克电气绿能科技(苏州)有限公司 | A kind of assembling detent mechanism with vacuum cleaner |
| CN105962827A (en) * | 2016-06-29 | 2016-09-28 | 广东美的环境电器制造有限公司 | Hand dryer |
| CN106184488A (en) * | 2016-07-27 | 2016-12-07 | 陈春红 | A kind of supporting structure of sulky vehicle easily |
| CN106218755A (en) * | 2016-07-27 | 2016-12-14 | 金华市四维空间汽车用品有限公司 | A kind of New-support device of cart |
| CN106240678A (en) * | 2016-07-27 | 2016-12-21 | 金华市四维空间汽车用品有限公司 | The holder device that a kind of cart is parked |
| CN106240677A (en) * | 2016-07-27 | 2016-12-21 | 金华市四维空间汽车用品有限公司 | A kind of holder device for cart |
| WO2018195988A1 (en) * | 2017-04-28 | 2018-11-01 | 江苏美的清洁电器股份有限公司 | Ground brush assembly and vacuum cleaner having same |
| CN106955061A (en) * | 2017-05-16 | 2017-07-18 | 苏州海歌电器科技有限公司 | Dust catcher shock-damping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101427894B (en) | 2012-04-18 |
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Effective date of registration: 20160612 Address after: 210014 Yongfeng Road, Qinhuai District, Jiangsu, No. 28, No. Patentee after: Nanjing LG Panda Appliances Co., Ltd. Address before: 300402 Tianjin city Beichen District Xingdian Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20171107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |