CN112205919A - Noise-reducing dust collector and dust collector motor - Google Patents
Noise-reducing dust collector and dust collector motor Download PDFInfo
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- CN112205919A CN112205919A CN202011219378.2A CN202011219378A CN112205919A CN 112205919 A CN112205919 A CN 112205919A CN 202011219378 A CN202011219378 A CN 202011219378A CN 112205919 A CN112205919 A CN 112205919A
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- motor
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- cover body
- rear cover
- dust collector
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- 239000000428 dust Substances 0.000 title claims abstract description 61
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Electric Suction Cleaners (AREA)
Abstract
The invention discloses a noise-reducing dust collector and a dust collector motor. The motor of the dust collector comprises a motor front cover, a motor rear cover and a motor main body; the motor front cover comprises a front cover body and an air inlet arranged at one tail end of the front cover body, the motor rear cover comprises a rear cover body and an air outlet arranged at one tail end of the rear cover body, one tail end of the front cover body is connected with one tail end of the rear cover body to form an air collecting cover, and the air inlet and the air outlet are respectively positioned at two opposite tail ends of the air collecting cover; the motor main body is arranged in the air collecting cover, and a plurality of continuous gaps are arranged between the peripheral side of the motor main body and the inner side wall of the air collecting cover. The structure of the dust collector motor is relatively simple, the dust collector motor is convenient to manufacture through mold injection molding, the air exhaust efficiency is guaranteed through a plurality of gaps while the air speed is reduced, and the air flow noise generated in working is low.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a noise-reducing dust collector and a dust collector motor.
Background
This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.
In order to improve the use effect of the dust collector, manufacturers often equip the dust collector with a high-power motor, and the high-power motor and the airflow flowing at high speed in the air duct generate large working noise, so that noise reduction treatment needs to be performed on the dust collector. The conventional noise reduction method is mostly to arrange noise reduction sponges on the air inlet and the air outlet of the motor of the dust collector, but the effect is poor, the air inlet volume and the air exhaust volume of the motor can be reduced, and the working efficiency of the motor is reduced.
For example, chinese patent CN2019214039594 discloses a wind-collecting cover, a motor and a dust collector with noise reduction function, which adopts a mode of additionally arranging the wind-collecting cover to reduce noise, wherein a side wall of an inner wind cover of the wind-collecting cover is of a double-layer design, and a plurality of air passing holes are formed in the side wall of the inner wind cover along the circumferential direction to reduce the flow velocity of air flow and reduce wind noise. The air duct formed by the side wall of the inner wind shield is narrow, which is not beneficial to the flow of air flow and reduces the exhaust efficiency; in addition, the air collecting cover has a complex structure, so that an injection mold used in the production of the air collecting cover is complex, the manufacturing cost is high, and the production difficulty is high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a dust collector motor which has a simple structure and is easy to manufacture and assemble, and a noise reduction dust collector with the dust collector motor, wherein the noise generated in use is small.
The invention provides a dust collector motor, which comprises a motor front cover, a motor rear cover and a motor main body, wherein the motor front cover is arranged on the motor rear cover; the motor front cover comprises a front cover body and an air inlet arranged at one tail end of the front cover body, the motor rear cover comprises a rear cover body and an air outlet arranged at one tail end of the rear cover body, one tail end of the front cover body is connected with one tail end of the rear cover body to form an air collecting cover, and the air inlet and the air outlet are respectively positioned at two opposite tail ends of the air collecting cover; the motor main body is arranged in the air collecting cover, and a plurality of continuous gaps are arranged between the peripheral side of the motor main body and the inner side wall of the air collecting cover.
In a preferred embodiment, the tail end of the rear cover body is provided with a wind shielding wall, a gap is formed between the wind shielding wall and the tail end of the rear cover body, and the wind outlet is positioned in the gap.
In a preferred embodiment, an end of the front cover body is connected with an end of the rear cover body by snap fit.
In a preferred embodiment, a front rubber pad is arranged between the front end of the motor body and the front cover body 1, and a rear rubber pad is arranged between the rear end of the motor body and the rear cover body.
In a preferred embodiment, the front rubber pad comprises a rubber pad body with a first air passing hole and a first air guide part arranged on one side surface of the rubber pad body, the first air guide part is positioned at the air inlet, and the size of the first air guide part gradually shrinks towards the first air passing hole.
In a preferred embodiment, a second air guide part is arranged on the other side surface of the rubber pad body opposite to the first air guide part, the second air guide part is sleeved at the front end of the motor body, and the size of the second air guide part gradually expands from the position far away from the first air passing hole.
The invention also discloses a noise reduction dust collector which comprises a dust collector main machine, wherein the dust collector main machine comprises a shell formed by combining the bottom cover and the upper cover, and the dust collector motor is arranged in the shell.
In a preferred embodiment, the casing is provided with an exhaust port, a sound insulating wall is arranged in the casing, the sound insulating wall and the casing jointly enclose to form a motor mounting cavity, and the dust collector motor is fixedly assembled in the motor mounting cavity.
In a preferred embodiment, an opening is formed in the sound-insulating wall at a position corresponding to the air outlet, and the air outlet of the motor rear cover is located at the opening of the sound-insulating wall.
In a preferred embodiment, a dust suction port is arranged on the bottom side surface of the shell, a dust suction cavity communicated with the dust suction port is arranged in the shell, an air outlet hole is formed in the dust suction cavity, and the air inlet and the air outlet hole of the front cover body are communicated.
Compared with the prior art, the invention has the following beneficial effects:
according to the motor of the dust collector, the wind collecting cover for accommodating the motor main body is of a split structure and is formed by combining the motor front cover and the motor rear cover in a detachable mode, so that the wind collecting cover is relatively simple in structure and convenient to manufacture by injection molding of a mold; simultaneously, through being equipped with many continuous clearances between motor body week side and the inside wall of wind-collecting cover, thereby not only can utilize many clearances to improve the area of contact between air current and the motor body and improve the heat-sinking capability of air current to the motor body, can also improve the water conservancy diversion ability to the air current through setting up many clearances, guaranteed exhaust efficiency through many clearances when reducing the wind speed, let the air current that enters into to the wind-collecting cover from the air intake shunt to just can flow to the air outlet through many clearances, let the air current can the diversion and slow down at the reposition of redundant personnel in-process, thereby can restrain the produced air current noise of dust catcher motor.
Drawings
Fig. 1 is a perspective view of a vacuum cleaner.
Fig. 2 is a schematic structural view of the upper cover.
Fig. 3 is a schematic view of the internal structure of the cleaner.
Fig. 4 is an exploded view of the motor of the cleaner.
Fig. 5 is a schematic structural view of a motor front cover.
Fig. 6 is a schematic structural view of the motor rear cover.
Fig. 7 is a perspective view illustrating a motor of the cleaner.
Fig. 8 is a schematic structural view of the motor main body mounted in the motor front cover.
Fig. 9 is an internal structure view of a motor of the cleaner.
Detailed Description
To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1 to 3, the present invention discloses a noise reduction vacuum cleaner, which comprises a main vacuum cleaner body, wherein the main vacuum cleaner body comprises: a housing formed by combining the bottom cover 11 and the upper cover 12, a dust suction opening 111 disposed at the bottom side of the bottom cover 11, an air exhaust opening 121 disposed on the housing (the air exhaust opening 121 is generally disposed at one side of the upper cover 12), a vacuum cleaner motor disposed in the housing, and a dust suction chamber 122 communicated between the dust suction opening 111 and the air inlet 22 of the vacuum cleaner motor, wherein a filter assembly (for example, the filter assembly includes a dust cup 128 and a filter 129 limited in the dust cup 128) is generally disposed in the dust suction chamber 122, and the air outlet 32 of the vacuum cleaner motor is connected to the air exhaust opening 121.
As further illustrated in connection with fig. 4-9. The motor of the dust collector specifically comprises a motor front cover 2, a motor rear cover 3 and a motor main body 4 (a motor main machine 4 comprises a motor and an impeller arranged on the motor, and is also called as a fan); the motor front cover 2 comprises a front cover body 21 and an air inlet 22 arranged at one end of the front cover body 21, the motor rear cover 3 comprises a rear cover body 31 and an air outlet 32 arranged at one end of the rear cover body 31, one end of the front cover body 21 is connected with one end of the rear cover body 31 (for example, connected in a buckling manner) to form a wind collecting cover, and the air inlet 22 and the air outlet 32 are respectively arranged at two opposite ends of the wind collecting cover; the motor body 4 is disposed in the wind collecting cover, and a plurality of continuous gaps 7 are disposed between the circumferential side of the motor body 4 and the inner side wall of the wind collecting cover, so that the airflow can flow from one end of the motor body 4 to the other end of the motor body 4 through the gaps 7.
According to the motor of the dust collector, the wind collecting cover for accommodating the motor main body 4 is of a split structure and is formed by detachably combining the motor front cover 2 and the motor rear cover 3, so that the wind collecting cover is relatively simple in structure and convenient to manufacture by injection molding of a mold; simultaneously, through being equipped with many continuous clearances 7 between motor body 4 week side and the inside wall of wind-collecting cover, thereby not only can utilize many clearances 7 to improve the area of contact between air current and the motor body 4 and improve the heat-sinking capability of air current to motor body 7, can also improve the conductivity to the air current through setting up many clearances 7, guaranteed exhaust efficiency through many clearances 7 when reducing the wind speed, let the air current that enters into to the wind-collecting cover from air intake 22 shunted to just can flow to air outlet 32 through many clearances 7, it can turn to and slow down to let the air current at the reposition of redundant personnel in-process, thereby can restrain the produced air current noise of dust catcher motor.
For example, as shown in fig. 8, taking the front end of the motor body 4 and the front cover body 21 as an example, gaps 7 are respectively provided between the four peripheral sides of the front end of the motor body 4 and the inner side wall of the front cover body 21.
In addition, the end of the rear cover body 31 is provided with a wind shielding wall 33, a gap is formed between the wind shielding wall 33 and the end of the rear cover body 31, and the wind outlet 32 is positioned in the gap. The wind shielding wall 33 is arranged in the wind outlet direction of the wind outlet 22, so that the phenomenon that hot wind directly blows out from the wind outlet 32 at an unobstructed high speed to generate large noise can be avoided, and the wind shielding wall 33 plays a role in reducing airflow noise.
Be equipped with preceding cushion 5 between the front end of motor body 4 and front shroud body 21, be equipped with back cushion 6 between the rear end of motor body 4 and the back shroud body 31, cushion 5 and back cushion 6 can reduce motor body 4's both ends through setting up and take place direct collision respectively with front shroud body 21, back shroud body 31 between the operation process to reduce and restrain the work noise that produces in the dust catcher motor working process.
Preceding cushion 5 is including the cushion body 51 that has first air passing hole and establish the first air guide 52 at one of them side of cushion body 51, and first air guide 52 is established at the air intake 22 of preceding cover body 21, and the size of first air guide 52 is the shrink gradually towards being close to first air passing hole and sets up to make the air current that gets into air intake 22 play gather gas pressure boost and be in the effect, let the air current can be fast from the first air passing hole of cushion body 51 and enter into the wind-collecting cover after passing through, ensure the exhaust efficiency of dust catcher motor.
The other side surface of the rubber mat body 51 opposite to the first air guide part 52 is provided with a second air guide part 53, the second air guide part 53 is sleeved at the front end of the motor body 4, and the size of the second air guide part 53 gradually expands from the position far away from the first air passing hole. The second air guide part 53 is beneficial to guiding and dispersing the air flow entering the air collecting cover to the peripheral side of the motor body 4, and ensures that the air flow can be divided and decelerated in the air collecting cover.
Certainly, the rear rubber pad 6 is provided with a second air passing hole, and hot air formed in the air collecting cover after passing through the motor body 4 is discharged from the air outlet 32 through the second air passing hole 6 and finally discharged out of the dust collector from the air outlet 121 on the casing.
Referring to fig. 2 and 3 again, a sound-proof wall 124 is disposed in the housing (for example, fig. 2 illustrates the upper cover 12) near the dust-collecting cavity 122, the sound-proof wall 124 and the housing together enclose a motor mounting cavity 125 for mounting a motor of the vacuum cleaner, and the vacuum cleaner motor is fixedly mounted in the motor mounting cavity 125. Wherein, the dust suction cavity 122 is provided with an air outlet 123, and the air inlet 22 of the front cover body 21 is communicated with the air outlet 123; an opening is provided in the sound insulating wall 124 at a position corresponding to the air outlet 121, and the air outlet 32 of the motor rear cover 3 is located at the opening of the sound insulating wall 124, so that the hot air exhausted through the air outlet 32 can be finally exhausted from the air outlet 121 on the housing.
The working principle of the noise reduction dust collector disclosed by the invention is as follows: the motor main body 4 is driven to rotate at a high speed, air flow is driven to rotate, negative pressure is formed in the air collecting cover, when the dust suction port 111 is attached to an object to be cleaned, dust, sundries and the like are sucked into the dust suction cavity 122 from the dust suction port 111 along with air, the dust, the sundries and other solid sundries are left in the filter assembly after being filtered by the filter assembly in the dust suction cavity 122, the air flow enters from the air inlet 22 of the motor front cover 2, after being guided and guided by the front rubber pad 5, the flow velocity of the divided air flow is reduced and is divided to flow to all directions to flow through the surfaces of the motor main body 4 through all gaps 7, the air flow plays a role in heat dissipation on the motor main body 4 simultaneously in the flowing process of the air flow, and part of heat generated by; after the airflow flows to the tail end of the motor rear cover 3, the airflow collides with the wind shielding wall 33, and part of energy is lost by the airflow after the collision; because a gap is formed between the wind shielding wall 33 and the side wall of the motor rear cover 3, airflow flows out of the air outlet 32 in the gap into the motor mounting cavity 125, and noise generated by the dust collector motor during operation is isolated and filtered by the sound insulation wall 124 to play a role in noise reduction; the sound-proof wall 124 is arranged around the motor of the dust collector, and the opening is arranged opposite to the air outlet 121, so that the effect of guiding the hot air flow exhausted from the motor of the dust collector can be achieved, and the air flow is guided to flow out of the dust collector from the air outlet 121.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A motor of a dust collector is characterized by comprising a motor front cover, a motor rear cover and a motor main body; the motor front cover comprises a front cover body and an air inlet arranged at one tail end of the front cover body, the motor rear cover comprises a rear cover body and an air outlet arranged at one tail end of the rear cover body, one tail end of the front cover body is connected with one tail end of the rear cover body to form an air collecting cover, and the air inlet and the air outlet are respectively positioned at two opposite tail ends of the air collecting cover; the motor main body is arranged in the air collecting cover, and a plurality of continuous gaps are arranged between the peripheral side of the motor main body and the inner side wall of the air collecting cover.
2. The motor for a vacuum cleaner as claimed in claim 1, wherein the rear cover body has a wind shielding wall at a distal end thereof, a gap is provided between the wind shielding wall and the distal end of the rear cover body, and the wind outlet is provided in the gap.
3. The cleaner motor of claim 1, wherein a distal end of the front cover body is coupled to a distal end of the rear cover body by snap-fitting.
4. The motor for a vacuum cleaner as claimed in claim 1, wherein a front rubber pad is provided between the front end of the motor body and the front cover body 1, and a rear rubber pad is provided between the rear end of the motor body and the rear cover body.
5. The motor of claim 4, wherein the front rubber pad comprises a rubber pad body with a first air passing hole and a first air guide part arranged on one side surface of the rubber pad body, the first air guide part is positioned at the air inlet, and the size of the first air guide part gradually shrinks towards the first air passing hole.
6. The motor of claim 5, wherein a second air guide part is provided at the other side of the rubber pad body opposite to the first air guide part, the second air guide part is sleeved at the front end of the motor body, and the size of the second air guide part gradually expands away from the first air passing hole.
7. A noise-reducing cleaner comprising a cleaner body including a casing formed by combining a bottom cover and an upper cover, wherein a cleaner motor as claimed in any one of claims 1 to 6 is provided in the casing.
8. The noise reduction vacuum cleaner of claim 7, wherein the housing is provided with an exhaust port, a sound insulating wall is arranged in the housing, the sound insulating wall and the housing together enclose a motor mounting cavity, and the vacuum cleaner motor is fixedly assembled in the motor mounting cavity.
9. The noise-reducing vacuum cleaner of claim 8, wherein an opening is formed in the sound-insulating wall at a position corresponding to the air outlet, and the air outlet of the motor rear cover is located at the opening of the sound-insulating wall.
10. The noise-reducing dust collector of claim 7, 8 or 9, wherein a dust suction port is formed in the bottom side surface of the housing, a dust suction chamber communicated with the dust suction port is formed in the housing, an air outlet hole is formed in the dust suction chamber, and the air inlet and the air outlet hole of the front cover body are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219378.2A CN112205919A (en) | 2020-11-04 | 2020-11-04 | Noise-reducing dust collector and dust collector motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219378.2A CN112205919A (en) | 2020-11-04 | 2020-11-04 | Noise-reducing dust collector and dust collector motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112205919A true CN112205919A (en) | 2021-01-12 |
Family
ID=74058242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011219378.2A Withdrawn CN112205919A (en) | 2020-11-04 | 2020-11-04 | Noise-reducing dust collector and dust collector motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112205919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279537A1 (en) * | 2021-07-05 | 2023-01-12 | 苏州市春菊电器有限公司 | Vacuum cleaner mainframe air output structure having waterproof fan blades |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202654061U (en) * | 2012-04-03 | 2013-01-09 | 王品义 | Portable household vacuum cleaner |
| CN104545698A (en) * | 2013-10-28 | 2015-04-29 | 江苏美的春花电器股份有限公司 | Motor air collection hood for dust collector, dust collector and air suction device of dust collector |
| CN104997463A (en) * | 2014-04-23 | 2015-10-28 | 江苏美的清洁电器股份有限公司 | Air intake device used for dust collector and dust collector |
| CN207928276U (en) * | 2017-04-12 | 2018-10-02 | 苏州新优生活电器有限公司 | Hand held cleaner noise reducing mechanism |
| CN110432828A (en) * | 2019-09-03 | 2019-11-12 | 小狗电器互联网科技（北京）股份有限公司 | Motor wind-collecting cover and dust catcher for dust catcher |
| CN210749009U (en) * | 2019-08-27 | 2020-06-16 | 莱克电气股份有限公司 | Air collecting cover with noise reduction function, motor and dust collector |
| CN213883043U (en) * | 2020-11-04 | 2021-08-06 | 小熊电器股份有限公司 | Noise-reducing dust collector and dust collector motor |
-
2020
- 2020-11-04 CN CN202011219378.2A patent/CN112205919A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202654061U (en) * | 2012-04-03 | 2013-01-09 | 王品义 | Portable household vacuum cleaner |
| CN104545698A (en) * | 2013-10-28 | 2015-04-29 | 江苏美的春花电器股份有限公司 | Motor air collection hood for dust collector, dust collector and air suction device of dust collector |
| CN104997463A (en) * | 2014-04-23 | 2015-10-28 | 江苏美的清洁电器股份有限公司 | Air intake device used for dust collector and dust collector |
| CN207928276U (en) * | 2017-04-12 | 2018-10-02 | 苏州新优生活电器有限公司 | Hand held cleaner noise reducing mechanism |
| CN210749009U (en) * | 2019-08-27 | 2020-06-16 | 莱克电气股份有限公司 | Air collecting cover with noise reduction function, motor and dust collector |
| CN110432828A (en) * | 2019-09-03 | 2019-11-12 | 小狗电器互联网科技（北京）股份有限公司 | Motor wind-collecting cover and dust catcher for dust catcher |
| CN213883043U (en) * | 2020-11-04 | 2021-08-06 | 小熊电器股份有限公司 | Noise-reducing dust collector and dust collector motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279537A1 (en) * | 2021-07-05 | 2023-01-12 | 苏州市春菊电器有限公司 | Vacuum cleaner mainframe air output structure having waterproof fan blades |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210112 |