CN102018476A - Motor shield structure for dust collector - Google Patents

Motor shield structure for dust collector Download PDF

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Publication number
CN102018476A
CN102018476A CN2009103074839A CN200910307483A CN102018476A CN 102018476 A CN102018476 A CN 102018476A CN 2009103074839 A CN2009103074839 A CN 2009103074839A CN 200910307483 A CN200910307483 A CN 200910307483A CN 102018476 A CN102018476 A CN 102018476A
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CN
China
Prior art keywords
inwall
motor
dust catcher
air
gas channel
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Pending
Application number
CN2009103074839A
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Chinese (zh)
Inventor
郑康
穆道津
魏君泰
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN2009103074839A priority Critical patent/CN102018476A/en
Publication of CN102018476A publication Critical patent/CN102018476A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a motor shield structure for a dust collector. The motor shield structure is arranged inside a machine body of the dust collector, surrounds and fixes a motor of the dust collector, and guides the flowing direction of air exhausted by the motor. The motor shield structure comprises an inner wall and an airflow channel, wherein the inner wall has a barrel-shaped structure, and seals and surrounds the motor; a structure for fixing the motor is arranged on the inner side of the inner wall; an exhaust inlet is formed on the inner wall; and the airflow channel surrounds the outer side of the inner wall and is connected with the exhaust inlet on the inner wall to ensure that the air exhausted by the motor enters the airflow channel and flows under the guide of the airflow channel. Thus, the flow path of the air is greatly increased, the air passes through the flow path for more time, noises can be multiply reflected when transmitted in the airflow channel, and the transmission direction is constantly changed, so that the sound volume is effectively reduced.

Description

The motor cover structure of dust catcher
Technical field
The invention belongs to the technical field of dust catcher, be specifically related to a kind of inwall that around motor, forms sealing, carry out exhaust by being arranged in the outer gas channel of inwall, reduce the dust catcher motor cover structure of the dust catcher of noise in use thereby increased air-flow exhaust length.
Technical background
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 sucker structure sucks in the dust-collecting box in the body by air entry together with air.The air that contains dust after filtering, is discharged to the dust catcher outside again from the gas outlet in the dust-collecting box of body.Like this, just reach the effect of dust out, clean 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 the surface structure schematic diagram of dust catcher in the prior art.
As shown in the figure, vacuum cleaner comprises the body 1 of aspirator of built-in suction room air and the sucker structure 2 that the suction force of utilizing body 1 to produce sucks ground air.
Body 1 is divided into bottom body 5 and top body 6.Aspirator is installed in the inside of bottom body 5.Top body 6 prevents that the parts in the bottom body 5 are exposed on the external, and its inside is installed as the electrical equipment portion (not shown) of control vacuum cleaner.
For body is moved flexibly on ground, be equipped with roller 8 in the two sides of its housing.Be formed with on the roller 8 and will be discharged to the discharge portion 8a of engine body exterior through the air behind the segregating foreign objects.
In addition, the suction hose 3b that makes of the material of useful softness successively between body 1 and the sucker structure 2 is connected the operating portion 4 of suction hose 3b end, the prolongation pipe 3a of attended operation portion 4 and sucker structure 2 etc.Therefore, the suction force of body 1 generation can be delivered on the above-mentioned sucker structure 2.
If by power supply unit (not shown) turn-on power of electric wire 9 to body 1 inside, then vacuum cleaner promptly enters holding state.At this moment, if the user adjusts expiratory phase by the button of operating portion 4, the aspirator in body 1 inside produces the suction force that is suitable for each stage.
The suction force that aspirator produces is delivered on the sucker structure 2 through being connected the suction hose 3b that sucks connecting portion 3c and prolonging pipe 3a.Therefore, the air that contains foreign matters such as dust, paper scrap is sucked by the suction force that is delivered on the sucker structure 2, and, suck air and isolate minute dust etc. at dust bucket 10, be discharged to the outside of body 1 afterwards by discharge portion 8a.Vacuum cleaner carries out cleaning works like this.
Fig. 2 is the structural representation of motor cover structure of a kind of dust catcher of prior art.
As shown in Figure 2, a kind of motor cover structure of the dust catcher of prior art, be arranged on the internal body of dust catcher, surround and the fixing motor 20 of dust catcher, around motor, form exhaust space 21, form air exit 22 in a side of motor cover, the air that the guiding motor is discharged is discharged from air exit, at the arranged outside blending space 23 of air exit, air-flow enters into indoor after the inner process of blending space reflects and collides deceleration mutually from air outlet, thereby reduces the noise of dust catcher.
Fig. 3 is the structural representation of motor cover structure of the another kind of dust catcher of prior art.
As shown in Figure 3, the another kind of motor cover structure of the dust catcher of prior art, the arranged outside grate flow channel 24 in motor cover guides air-flow before the lateral of motor cover, thereby prolong the circulation path of air-flow, the exhaust noise when reducing the motor of dust collector running from the front side exhaust of motor 20.
But, there is following problem in the above-mentioned prior art:
The mode that adopts mixed airflow or increase the circulation path length of discharging air in the motor cover structure of the dust catcher of prior art reduces noise, the extension system of exhaust pathway is too simple, can't be reflected fully at the sound of exhaust pathway and to be subdued, noise can be easily from the motor cover internal delivery to indoor, therefore to the noise control effect of motor and not obvious.
Summary of the invention
The present invention provides a kind of inwall that forms sealing around motor for solving the technical problem that exists in the prior art, carry out exhaust by being arranged in the outer gas channel of inwall, reduce the dust catcher motor cover structure of the dust catcher of noise in use thereby increased air-flow exhaust length.
The technical scheme that the present invention takes for the technical problem that exists in the solution prior art is:
The motor cover structure of dust catcher of the present invention, be arranged on the internal body of dust catcher, surround and the fixing motor of dust catcher, and the guiding motor is discharged the flow direction of air, comprise: inwall, form barrel-like structure, motor is surrounded in sealing, the structure of fixed electrical machinery is set in the inboard of inwall, and inwall is provided with exhaust entrance; Gas channel is arranged on the outside of above-mentioned inwall around arranging, and is connected with exhaust entrance on the inwall, and the air that motor is discharged enters in the gas channel and in the guiding current downflow of gas channel.
The present invention can also adopt following technical measures:
Described gas channel covers the whole outer surface of inwall, and promptly the air of Pai Chuing flows in the path of length outside inwall as far as possible
Described gas channel is that shape is around the pipeline that also closely is arranged in inner wall outside in the shape of a spiral, and the opening of pipeline one end is connected with the exhaust entrance on the inwall, and the opening of the pipeline other end is air exit.
Side as the pipeline of gas channel is close to inwall, opposite side shape in the arc-shaped.
In the encirclement of the outside of inwall and gas channel outer wall is set, outer pars intramuralis forms blending space, and air is discharged by the air outlet of blending space, and the air outlet position of blending space is provided with screens.
Around inwall coaxial tubbiness sealed wall is set in inner wall outside, by the diametric(al) equal angles a plurality of baffle plates are set in the space between sealed wall and inwall, and baffle length is less than inwall length, thereby when being provided with, baffle plate reserves airflow hole in a side, the position of the airflow hole that adjacent screen forms is interspersed, and forms circuitous gas channel in the space of sealed wall and inwall.
Described sealed wall, inwall and baffle plate are formed as one.
Advantage and good effect that the present invention has are:
In the motor cover structure of dust catcher of the present invention, form the inwall of sealing in the outside of motor, be provided with on the inwall and discharge inlet, the outboard row cloth at inwall is provided with gas channel simultaneously.A kind of gas channel is to spiral to be arranged on the circular pipe of inner wall outside, around pipeline makes big leap ahead of circulation path of air on the one hand, make air in by process, need more time, on the other hand because the inboard of pipeline is circular, noise can take place repeatedly to reflect when transmitting in pipeline, constantly change direction of transfer, thereby the sound size is effectively cut down, when air-flow can pass through blending space when the other end of pipeline flows out, carried out rectification by screens then, make air-flow more even, noise thereby also further controlled.The air-flow that flows through from screens can guide to the front side of dust catcher equally once more by grate flow channel, from the front side exhaust.Another kind of gas channel is made of sealed wall, inwall and the circuitous baffle plate that is arranged between inwall and the sealed wall, air need turn to through repeatedly 90 ° when in gas channel, flowing with 180 ° turn to, therefore sound constantly clashes into baffle plate, energy is constantly subdued, so sound is difficult for getting rid of, thereby reduced the noise that dust catcher is outwards dispersed when operation from gas channel.
Description of drawings
Fig. 1 is the surface structure schematic diagram of dust catcher in the prior art;
Fig. 2 is the structural representation of motor cover structure of a kind of dust catcher of prior art;
Fig. 3 is the structural representation of motor cover structure of the another kind of dust catcher of prior art;
Fig. 4 is the outside schematic diagram of first embodiment of the motor cover structure of dust catcher of the present invention;
Fig. 5 is the decomposing schematic representation of first embodiment of the motor cover structure of dust catcher of the present invention;
Fig. 6 is the cutaway view of first embodiment of the motor cover structure of dust catcher of the present invention;
Fig. 7 is the outside schematic diagram of second embodiment of the motor cover structure of dust catcher of the present invention;
Fig. 8 is the decomposing schematic representation of second embodiment of the motor cover structure of dust catcher of the present invention;
Fig. 9 is the cutaway view of second embodiment of the motor cover structure of dust catcher of the present invention.
The specific embodiment
It is following that the present invention is described in detail with reference to drawings and Examples:
Fig. 4 is the outside schematic diagram of first embodiment of the motor cover structure of dust catcher of the present invention; Fig. 5 is the decomposing schematic representation of first embodiment of the motor cover structure of dust catcher of the present invention; Fig. 6 is the cutaway view of first embodiment of the motor cover structure of dust catcher of the present invention; Fig. 7 is the outside schematic diagram of second embodiment of the motor cover structure of dust catcher of the present invention; Fig. 8 is the decomposing schematic representation of second embodiment of the motor cover structure of dust catcher of the present invention; Fig. 9 is the cutaway view of second embodiment of the motor cover structure of dust catcher of the present invention.
Extremely shown in Figure 9 as Fig. 4, the motor cover structure of dust catcher of the present invention, be arranged on the internal body of dust catcher, surround and the fixing motor 20 of dust catcher, and the guiding motor is discharged the flow direction of air, comprise: inwall 25, form barrel-like structure, motor is surrounded in sealing, around motor, form exhaust space 21, the structure of fixed electrical machinery is set in the inboard of inwall, on the one hand locator protrusions is set, motor is fixed by fixation kit 29 in the bottom of inwall, the motor cover upside is provided with through hole, the air inlet of motor is corresponding with lead to the hole site also to be tightly connected mutually, makes motor the external side of slave suck air, and rubber ring 28 is set between motor and inwall, rubber ring plays the effect of damping, reduce motor to the vibrations that inwall transmitted in the restriction motor position, inwall is provided with exhaust entrance, and the air in the exhaust space discharges by exhaust entrance 26; Gas channel is arranged on the outside of above-mentioned inwall around arranging, and is connected with exhaust entrance on the inwall, and the air that motor is discharged enters in the gas channel and in the guiding current downflow of gas channel, makes air flow through long path in gas channel.Gas channel covers the whole outer surface of inwall, and promptly the air of Pai Chuing flows in the path of length outside inwall as far as possible, thereby makes air can reduce noise in flow process.
In the first embodiment of the present invention, gas channel be in the shape of a spiral shape around and closely be arranged in the pipeline 27 of inner wall outside, the opening of pipeline one end is connected with exhaust entrance 26 on the inwall 25, the opening of the pipeline other end is air exit, side as the pipeline of gas channel is close to inwall, opposite side shape in the arc-shaped.。When dust catcher moves, the air that motor 20 is discharged flows at the pipe interior that spirals, and changes flow direction under the guiding of pipeline 27, noise in pipeline through repeatedly reflection, constantly reduce the energy of noise, the tube wall of circular arc makes the effect of noise reduction more obvious.
In the encirclement of the outside of inwall and gas channel outer wall is set, outer pars intramuralis forms blending space, air communication is crossed the flow velocity that mixed interference changes gas in blending space, air is discharged by the air outlet of blending space, the air outlet position of blending space is provided with screens makes the flow velocity of air-flow more even, thereby reduces the irregular frictional noise that flows and bring of air.According to the concrete structure of dust catcher, can select to add grate flow channel to realize the front side exhaust of dust catcher.
In the second embodiment of the present invention, around inwall coaxial tubbiness sealed wall 30 is set in inner wall outside, by the diametric(al) equal angles a plurality of baffle plates 31 are set in the space between sealed wall 30 and inwall 25, and baffle length is less than inwall length, thereby when being provided with, baffle plate reserves airflow hole 32 in a side, the position of the airflow hole that adjacent screen forms is interspersed, in the space of sealed wall 30 and inwall 25, form circuitous one-way gas flow passage, thereby air-flow constantly impacts to change on baffle plate and sealed wall by gas channel the time and flows to, thereby outside inwall, increased the path of gas flow in the limited space, noise can be weakened fully.Sealed wall, inwall and baffle plate are formed as one.
In the motor cover structure of dust catcher of the present invention, form the inwall of sealing in the outside of motor, be provided with on the inwall and discharge inlet, the outboard row cloth at inwall is provided with gas channel simultaneously.A kind of gas channel is to spiral to be arranged on the circular pipe of inner wall outside, around pipeline makes big leap ahead of circulation path of air on the one hand, make air in by process, need more time, on the other hand because the inboard of pipeline is circular, noise can take place repeatedly to reflect when transmitting in pipeline, constantly change direction of transfer, thereby the sound size is effectively cut down, when air-flow can pass through blending space when the other end of pipeline flows out, carried out rectification by screens then, make air-flow more even, noise thereby also further controlled.The air-flow that flows through from screens can guide to the front side of dust catcher equally once more by grate flow channel, from the front side exhaust.Another kind of gas channel is made of sealed wall, inwall and the circuitous baffle plate that is arranged between inwall and the sealed wall, air need turn to through repeatedly 90 ° when in gas channel, flowing with 180 ° turn to, therefore sound constantly clashes into baffle plate, energy is constantly subdued, so sound is difficult for getting rid of, thereby reduced the noise that dust catcher is outwards dispersed when operation from gas channel.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention with preferred embodiment openly as above, yet, be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, be the content that does not break away from technical solution of the present invention in every case, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all belong in the scope of technical solution of the present invention.

Claims (7)

1. the motor cover structure of a dust catcher, be arranged on the internal body of dust catcher, surround and the fixing motor of dust catcher, and the guiding motor is discharged the flow direction of air, it is characterized in that: comprising: inwall, form barrel-like structure, motor is surrounded in sealing, the structure of fixed electrical machinery is set in the inboard of inwall, and inwall is provided with exhaust entrance; Gas channel is arranged on the outside of above-mentioned inwall around arranging, and is connected with exhaust entrance on the inwall, and the air that motor is discharged enters in the gas channel and in the guiding current downflow of gas channel.
2. the motor cover structure of dust catcher according to claim 1 is characterized in that: gas channel covers the whole outer surface of inwall, and promptly the air of Pai Chuing is mobile in the long as far as possible path outside inwall.
3. the motor cover structure of dust catcher according to claim 1 and 2, it is characterized in that: gas channel be in the shape of a spiral shape around and closely be arranged in the pipeline of inner wall outside, the opening of pipeline one end is connected with the exhaust entrance on the inwall, and the opening of the pipeline other end is air exit.
4. the motor cover structure of dust catcher according to claim 3 is characterized in that: the side as the pipeline of gas channel is close to inwall, opposite side shape in the arc-shaped.
5. the motor cover structure of dust catcher according to claim 4, it is characterized in that: surround in the outside of inwall and gas channel outer wall is set, outer pars intramuralis forms blending space, and air is discharged by the air outlet of blending space, and the air outlet position of blending space is provided with screens.
6. the motor cover structure of dust catcher according to claim 1 and 2, it is characterized in that: around inwall coaxial tubbiness sealed wall is set in inner wall outside, by the diametric(al) equal angles a plurality of baffle plates are set in the space between sealed wall and inwall, and baffle length is less than inwall length, thereby when being provided with, baffle plate reserves airflow hole in a side, the position of the airflow hole that adjacent screen forms is interspersed, and forms circuitous gas channel in the space of sealed wall and inwall.
7. the motor cover structure of dust catcher according to claim 6, it is characterized in that: sealed wall, inwall and baffle plate are formed as one.
CN2009103074839A 2009-09-22 2009-09-22 Motor shield structure for dust collector Pending CN102018476A (en)

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Application Number Priority Date Filing Date Title
CN2009103074839A CN102018476A (en) 2009-09-22 2009-09-22 Motor shield structure for dust collector

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Application Number Priority Date Filing Date Title
CN2009103074839A CN102018476A (en) 2009-09-22 2009-09-22 Motor shield structure for dust collector

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CN102018476A true CN102018476A (en) 2011-04-20

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102894931A (en) * 2011-07-29 2013-01-30 莱克电气股份有限公司 Dust collector with improved motor cover
CN105836344A (en) * 2016-06-22 2016-08-10 厦门唯科健康科技有限公司 Intelligent garbage can with dust collection function
CN107536562A (en) * 2017-09-08 2018-01-05 苏州海歌电器科技有限公司 Mute type dust catcher air discharge structure
CN107550392A (en) * 2017-09-29 2018-01-09 苏州海歌电器科技有限公司 The noise reduction structure of motor of dust catcher
CN109008793A (en) * 2018-09-30 2018-12-18 小狗电器互联网科技(北京)股份有限公司 Air inlet mechanism and dust catcher
CN111568297A (en) * 2014-07-01 2020-08-25 三星电子株式会社 Cleaning robot and control method thereof
WO2023207211A1 (en) * 2022-04-29 2023-11-02 广东德尔玛科技股份有限公司 Main unit and cleaning device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102894931A (en) * 2011-07-29 2013-01-30 莱克电气股份有限公司 Dust collector with improved motor cover
CN102894931B (en) * 2011-07-29 2016-03-23 莱克电气股份有限公司 There is the dust catcher of improved type electric hood
CN111568297A (en) * 2014-07-01 2020-08-25 三星电子株式会社 Cleaning robot and control method thereof
CN111568297B (en) * 2014-07-01 2023-02-03 三星电子株式会社 Cleaning robot and control method thereof
US11871891B2 (en) 2014-07-01 2024-01-16 Samsung Electronics Co., Ltd. Cleaning robot and controlling method thereof
CN105836344A (en) * 2016-06-22 2016-08-10 厦门唯科健康科技有限公司 Intelligent garbage can with dust collection function
CN107536562A (en) * 2017-09-08 2018-01-05 苏州海歌电器科技有限公司 Mute type dust catcher air discharge structure
CN107550392A (en) * 2017-09-29 2018-01-09 苏州海歌电器科技有限公司 The noise reduction structure of motor of dust catcher
CN109008793A (en) * 2018-09-30 2018-12-18 小狗电器互联网科技(北京)股份有限公司 Air inlet mechanism and dust catcher
CN109008793B (en) * 2018-09-30 2024-02-27 北京小狗吸尘器集团股份有限公司 Air inlet mechanism and dust collector
WO2023207211A1 (en) * 2022-04-29 2023-11-02 广东德尔玛科技股份有限公司 Main unit and cleaning device

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Application publication date: 20110420