CN104414587A - Dust collector and air inlet device of dust collector - Google Patents
Dust collector and air inlet device of dust collector Download PDFInfo
- Publication number
- CN104414587A CN104414587A CN201310403141.3A CN201310403141A CN104414587A CN 104414587 A CN104414587 A CN 104414587A CN 201310403141 A CN201310403141 A CN 201310403141A CN 104414587 A CN104414587 A CN 104414587A
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- CN
- China
- Prior art keywords
- motor cover
- air
- motor
- gas outlet
- dust catcher
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- 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.)
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Abstract
The invention discloses a dust collector and an air inlet device of the dust collector. The air inlet device comprises a motor, a first motor cover, a second motor cover and a third motor cover, wherein the first motor cover accommodates the motor, a first air outlet is formed in the peripheral wall of the first motor cover, the second motor cover sleeves the outer part of the first motor and is provided with a second air outlet deviated from the first air outlet, a first air passage is defined between the second motor cover and the first motor cover, the third motor cover sleeves the outside of the second motor cover, in addition, a second air passage communicated with the first air passage through the second air outlet is defined between the third motor cover and the second motor cover, and an air outlet deviated from the second air outlet is formed in the third motor cover. The air inlet device according to the invention has the advantages that through the first air passage and the second air passage, the air flowing air passage length is prolonged, so that the noise generated by the motor can be transmitted to the outside through the long and bent air passages, the sound is greatly weakened in the air passages, and the noise is greatly reduced.
Description
Technical field
The present invention relates to living electric apparatus field, particularly relate to a kind of inlet duct of dust catcher and there is its dust catcher.
Background technology
Single motor shield structure is in existing dust catcher, the air channel of air inlet is simple, the disorderly steady air current that motor sucks cannot be got off, and the noise produced when the air-flow flowed fast through and motor running itself and vibration cannot be reduced, make the noise of whole dust catcher very high like this.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is the inlet duct proposing a kind of dust catcher, and the disorderly steady air current sucked can get off by described inlet duct, thus reduces the noise of whole product.
Another object of the present invention is to propose a kind of dust catcher with described inlet duct.
According to the inlet duct of a kind of dust catcher of the embodiment of the present invention, comprising: motor; First motor cover, the perisporium of described first motor cover is formed with the first gas outlet, and wherein said motor is contained in described first motor cover; Second motor cover, described second motor cover is set in the outside of described first motor cover, the perisporium of described second motor cover is formed with second gas outlet of departing from described first gas outlet, between described second motor cover with described first motor cover, limits the first air channel be communicated with described first motor cover inside by described first gas outlet; And the 3rd motor cover, described 3rd motor cover is set in the outside of described second motor cover and limits with between described second motor cover the second air channel be communicated with described first air channel by described second gas outlet, described 3rd motor cover is formed with the air outlet departed from described second gas outlet.
According to the inlet duct of the dust catcher of the embodiment of the present invention, by the first air channel of limiting between the first to the 3rd motor cover and the second air channel, achieve the Mazeflo of air-flow, extend the air channel length of air flowing, the noise that motor is produced will pass through long and the external world just can be passed in the air channel of complications, in air channel, sound is significantly reduced, thus greatly reduces noise.In addition, according to inlet duct of the present invention, the simple cost of structure is low.
According to one embodiment of present invention, described 3rd motor cover comprises one deck cover body.
According to another embodiment of the invention, described 3rd motor cover comprises from inside to outside successively and the multilayer cover body communicated with each other.
According to one embodiment of present invention, described first gas outlet comprises multiple first venthole, and described multiple first venthole is uniformly distributed along the axial and circumferential directions on the part perisporium of described first motor cover.
Further, described second gas outlet comprises multiple second venthole, and described multiple second venthole is uniformly distributed along the axial and circumferential directions on the part perisporium of described second motor cover.
Preferably, described second gas outlet is relative to setting in radial directions with described first gas outlet.
Described multiple first venthole is distributed on the half perisporium of described first motor cover, and described multiple second venthole is distributed on second half perisporium of described second motor cover.Thus, air channel enough extends, thus makes air-flow that spatial stability large as far as possible can be had to get off, and reduces noise.
Preferably, described first motor cover, the second motor cover and described 3rd motor cover are coaxially arranged.
According to one embodiment of present invention, described air outlet and described second gas outlet are oppositely arranged in radial directions.
According to a kind of dust catcher of the embodiment of the present invention, comprise the inlet duct of the dust catcher described in the above embodiment of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the sectional view of dust catcher according to an embodiment of the invention;
Fig. 2 is the schematic diagram of dust catcher inlet duct according to an embodiment of the invention;
Fig. 3 is the schematic diagram of the inlet duct of dust catcher in accordance with another embodiment of the present invention.
Reference numeral:
Dust collect plant 100; Filter screen 110;
Inlet duct 200;
Motor 210; First motor cover 220; First gas outlet 221; First venthole 2211;
Second motor cover 230; Second gas outlet 231; Second venthole 2311;
3rd motor cover 240;
Air inlet 250; Air outlet 260;
Air channel 270; First air channel 271; Second air channel 272;
Exhaust apparatus 300
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " thickness ", " on ", D score, " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
First the inlet duct of the dust catcher according to the embodiment of the present invention is simply described with reference to figure 1-Fig. 3 below.
As shown in Figure 1, motor 210 and the first sheathed successively from inside to outside motor cover 220, second motor cover 230 and the 3rd motor cover 240 is comprised according to the inlet duct 200 of the embodiment of the present invention, motor 210 is located at the first motor cover 220, first motor cover 220 being positioned at innermost layer and is communicated with dust collect plant 100 by air inlet 250.
As shown in Figure 2, the perisporium of the first motor cover 220 is formed with the first gas outlet 221, second motor cover 230 is in the outside of the first motor cover 220, the perisporium of the second motor cover 230 is formed the second gas outlet 231, second motor cover 230 of departing from the first gas outlet 221 with between the first motor cover 220 by inner the first air channel 271 be communicated with of the first gas outlet 221 and the first motor cover 220.Preferably, the distance range between the second motor cover 230 and the first motor cover 220 is between 5mm-40mm.
Outermost 3rd motor cover 240 in the outside of the second motor cover 230 and with the second air channel 272 be communicated with the first air channel 271 by the second gas outlet 231 between the second motor cover 230, wherein the first air channel 271 and the second air channel 272 form air channel 270.3rd motor cover 240 has the air outlet 260 departed from the second gas outlet 231.
Alternatively, the 3rd motor cover 240 comprises one deck cover body, as shown in Figure 2.Preferably, the distance range between the 3rd motor cover 240 and the second motor cover 230 is between 5mm-40mm.Certainly, the present invention is not limited to this, in other embodiment of the present invention, 3rd motor cover 240 comprises multilayer cover body successively from inside to outside, in example as shown in Figure 3,3rd motor cover 240 comprises the first sub-cover body 241 and the second sub-cover body 242, now, all right 3rd air channel 273 between the first sub-cover body 241 and the second sub-cover body 242, with similar in above-described embodiment, 3rd air channel 273 can be communicated with the second air channel 272, and air outlet is located on the second sub-cover body 242 to be discharged by the gas of flowing in the 3rd air channel 273.Preferably, the distance range in the 3rd motor cover 240 between every layer of cover body is between 5mm-40mm.
Easy in order to describe, in the following description, all with the 3rd motor cover 240 for one deck is described.Those skilled in the art are appreciated that when the flowing of its inner air and one deck cover body, the type of flow of air is similar, no longer itemizes at this when the 3rd motor cover 240 comprises that successively two layers and two layers are with upper outlet body from inside to outside.
Entered in the first motor cover 220 by the air that motor sucks, inwall along the first motor cover 220 flows, and from flowing in the first air channel, gas outlet 221 to the first 271, then flowing out from the second gas outlet 231 of the second motor cover 230 enters in the second air channel 272, inwall along the 3rd motor cover 240 flow to air outlet 260, and flows out in exhaust apparatus 300 below.Like this, by the first air channel 271 and the second air channel 272 between the first to the 3rd motor cover 220,220,230, achieve the Mazeflo of air-flow, extend the air channel length of air flowing, there is provided enough spaces and settle out therefore can to disorderly air-flow, thus reduce the flowing of air.And, owing to defining relative vacuum due to the motion of gas between the first to the 3rd motor cover, like this, the noise produced when can greatly reduce air draught and motor 210 running itself and vibration, and then obtain better quiet or super-silent product.
According to the inlet duct of the dust catcher of the embodiment of the present invention, owing to extending the air channel length of air flowing, the noise that motor is produced will pass through long and the external world just can be passed in the air channel of complications, and in air channel, sound is significantly reduced, thus greatly reduces noise.In addition, according to dust catcher of the present invention, the simple cost of structure is low.
Alternatively, the first gas outlet 221 comprises multiple first venthole 2211, and as shown in Figure 2, multiple first venthole 2211 is uniformly distributed along the axial and circumferential directions on the part perisporium of the first motor cover 220.Further, the second gas outlet 231 comprises multiple second venthole 2311, and multiple second venthole 2311 is uniformly distributed along the axial and circumferential directions on the part perisporium of the second motor cover 230.Preferably, the second gas outlet 231 is relative to setting in radial directions with the first gas outlet 221, and that is, multiple second venthole 2311 is relative to setting in radial directions with multiple first venthole 2211.Certainly, the first gas outlet 221 and the second gas outlet 231 can also be an opening respectively.
In the preferred embodiment that the present invention one is concrete, multiple first venthole is distributed on the half perisporium of the first motor cover 220, and multiple second venthole is distributed on second half perisporium of the second motor cover 230, as shown in Figure 2.Thus, air channel enough extends, thus makes air-flow that spatial stability large as far as possible can be had to get off, and reduces noise.
Below with reference to Fig. 1, the dust catcher according to the embodiment of the present invention is described.
Dust catcher according to the present invention comprises: for collecting the dust collect plant 100 of dust, inlet duct 200 and exhaust apparatus 300, wherein inlet duct 200 is the inlet duct described in above-mentioned first aspect embodiment.
Alternatively, dust collect plant 100 comprises dust bag or dust pocket.Further, air inlet 250 place between dust collect plant 100 and the first motor cover 220 is provided with the filter screen 110 for filter dust.
Exhaust apparatus 300 to be located at after the 3rd motor cover 240 and to be communicated with the external environment condition of dust catcher by exhaust outlet (not shown).
Thus, as shown by the arrows in Figure 1, motor 210 rotates and produce negative pressure in the first motor cover 220, air with dust is sucked in dust collect plant 100 mussily, at air inlet 250 place, dust is filtered, then enter in the first motor cover 220, inwall along the first motor cover 220 flows, and from flowing in the first air channel, gas outlet 221 to the first 271, then flowing out from the second gas outlet 230 of the second motor cover 230 enters in the second air channel 272, inwall along the 3rd motor cover 240 flow to air outlet 260, and flow out in exhaust apparatus 300 below and be discharged in air finally by by exhaust outlet.
According to the dust catcher of the embodiment of the present invention, after air is inhaled into, achieve the Mazeflo of air-flow, enough extend the air channel length of air flowing, thus stabilize air current flow, and greatly reduce operating noise.
Referring again to Fig. 1-Fig. 3, the course of work of the dust catcher according to the embodiment of the present invention is specifically described below, wherein comprises one deck cover body for the 3rd motor cover 240 and be described.
First, motor 210 rotates and produce negative pressure in the first motor cover 220, and the air with dust is sucked in dust collect plant 100 mussily, and at air inlet 250 place, dust is filtered, and air enters in the first motor cover 220.
As shown in arrow in Fig. 1 and Fig. 2, air-flow is sucked from air inlet 250 by motor 210, flow in the first motor cover 220, inwall along the first motor cover 220 flows, and from flowing in the first air channel, gas outlet 221 to the first 271, then flowing out from the second gas outlet 230 of the second motor cover 230 enters in the second air channel 272, and the inwall along the 3rd motor cover 240 flow to air outlet 260.
Now, air draught is discharged to exhaust apparatus 300 from air outlet 260, cross-sectional area due to the air channel of exhaust apparatus 300 becomes large gradually, change flow velocity or the frequency of air draught further, thus greatly reduce noise and the vibration of air draught generation itself, and then make the muting function of dust catcher more obvious.
According to the concrete formation of integrating device in the dust catcher of the embodiment of the present invention and air inlet, exhaust apparatus other to form and operation is all known for those of ordinary skills, be not described in detail here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. an inlet duct for dust catcher, is characterized in that, comprising:
Motor;
First motor cover, the perisporium of described first motor cover is formed with the first gas outlet, and wherein said motor is contained in described first motor cover;
Second motor cover, described second motor cover is set in the outside of described first motor cover, the perisporium of described second motor cover is formed with second gas outlet of departing from described first gas outlet, between described second motor cover with described first motor cover, limits the first air channel be communicated with described first motor cover inside by described first gas outlet; And
3rd motor cover, described 3rd motor cover is set in the outside of described second motor cover and limits with between described second motor cover the second air channel be communicated with described first air channel by described second gas outlet, described 3rd motor cover is formed with the air outlet departed from described second gas outlet.
2. the inlet duct of dust catcher according to claim 1, is characterized in that, described 3rd motor cover comprises one deck cover body.
3. the inlet duct of dust catcher according to claim 1, is characterized in that, described 3rd motor cover comprises from inside to outside successively and the multilayer cover body communicated with each other.
4. the inlet duct of dust catcher according to claim 1, is characterized in that, described first gas outlet comprises multiple first venthole, and described multiple first venthole is uniformly distributed along the axial and circumferential directions on the part perisporium of described first motor cover.
5. the inlet duct of dust catcher according to claim 4, is characterized in that, described second gas outlet comprises multiple second venthole, and described multiple second venthole is uniformly distributed along the axial and circumferential directions on the part perisporium of described second motor cover.
6. the inlet duct of dust catcher according to claim 5, is characterized in that, described multiple second venthole is relative to setting in radial directions with described multiple first venthole.
7. the inlet duct of dust catcher according to claim 6, is characterized in that, described multiple first venthole is distributed on the half perisporium of described first motor cover, and described multiple second venthole is distributed on second half perisporium of described second motor cover.
8. the inlet duct of dust catcher according to claim 1, is characterized in that, described first motor cover, the second motor cover and described 3rd motor cover are coaxially arranged.
9. the inlet duct of the dust catcher according to any one of claim 1-8, is characterized in that, described air outlet and described second gas outlet are oppositely arranged in radial directions.
10. a dust catcher, is characterized in that, comprises the inlet duct of the dust catcher according to any one of claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403141.3A CN104414587A (en) | 2013-09-06 | 2013-09-06 | Dust collector and air inlet device of dust collector |
| PCT/CN2013/089597 WO2015032151A1 (en) | 2013-09-06 | 2013-12-16 | Dust collector and air intake device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403141.3A CN104414587A (en) | 2013-09-06 | 2013-09-06 | Dust collector and air inlet device of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104414587A true CN104414587A (en) | 2015-03-18 |
Family
ID=52965481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310403141.3A Pending CN104414587A (en) | 2013-09-06 | 2013-09-06 | Dust collector and air inlet device of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104414587A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106562726A (en) * | 2015-10-10 | 2017-04-19 | 江苏美的清洁电器股份有限公司 | Motor assembly and dust collector using same |
| WO2018196749A1 (en) * | 2017-04-24 | 2018-11-01 | 江苏美的清洁电器股份有限公司 | Inner cover of dust collector and dust collector |
| CN109505808A (en) * | 2018-12-25 | 2019-03-22 | 广东美的白色家电技术创新中心有限公司 | Fans silencer and fan noise elimination system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109505808B (en) * | 2018-12-25 | 2024-02-20 | 广东美的白色家电技术创新中心有限公司 | Fan silencer and fan silencing system |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215100 Applicant after: JIANGSU MIDEA CLEANING ELECTRICAL APPLIANCE CO., LTD. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Applicant before: Jiangsu Midea Chunhua Electric Appliance Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150318 |
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| RJ01 | Rejection of invention patent application after publication |