CN203841615U - Dust collector and air intake device for same - Google Patents
Dust collector and air intake device for same Download PDFInfo
- Publication number
- CN203841615U CN203841615U CN201420200808.XU CN201420200808U CN203841615U CN 203841615 U CN203841615 U CN 203841615U CN 201420200808 U CN201420200808 U CN 201420200808U CN 203841615 U CN203841615 U CN 203841615U
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- China
- Prior art keywords
- cover
- motor
- hole
- dust catcher
- inlet duct
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a dust collector and an air intake device for the same. The air intake device comprises a base, an outer cover of a motor, an inner cover of the motor, the motor, an upper cover of the motor, an air collecting cover, a first sealing ring and an air intake cover of the motor. The upper edge of the outer cover of the motor is provided with a second slot, and the outer cover of the motor is provided with an air outlet. The inner cover of the motor is provided with a through hole communicated with the air outlet. The lower edge of the upper cover of the motor is inserted in the upper edge of the inner motor of the motor, and the upper cover of the motor is provided with an upwards opening. The top wall of the air collecting cover is provided with first through holes opposite to the opening. According to the air intake device for the dust collector, noise, transmitted from inside to outside, generated by the inside of the air intake device is filtered primarily in a second silencing cavity, and filtered secondarily in a third silencing cavity, thus the noise generated by the air intake device is isolated effectively and noise of the complete dust collector is lowered greatly. Therefore, the dust collector is a good silent or super-silent product.
Description
Technical field
The utility model relates to household electrical appliance technical field, particularly relates to a kind of inlet duct for dust catcher and has this for the dust catcher of the inlet duct of dust catcher.
Background technology
In traditional dust catcher, the noise being produced by motor often accounts for topmost part, and motor partly mainly contains two parts and produces noise, and one is movable vane wheel place, and one is the friction of carbon brush for electric machine and rotor.And existing market is more and more higher for the quiet requirement of dust catcher, try every possible means to reduce the main flow that noise has become present research and development, the method that reduces motor noise generally has motor cover isolation add quieter material parcel and extend air-out air channel.Dust catcher is in order not increase windage effect efficiency at present, and the technology adopting mostly is at motor air inlet and makes the air intake sponge that wind inlet channel is more smooth and increase good permeability, but the isolation effect not had for noise.
In correlation technique, conventionally adopt and in the air intake screen holder of motor front end, conventionally place a good sponge of gas permeability, be then put in motor air inlet place, to stop in dust arrester, have part particle dust to enter motor, thereby motor is protected.By extending motor cover air channel, weaken noise.Air intake screen holder and sponge can suitably stop the noise that motor is produced by movable vane wheel when operation, but the efficiency of whole machine is had to larger reduction; And noise can only be slowly weakened in longer air channel, can not intercept the progressively outwards conduction of motor noise, with the air channel of duration distance, the efficiency of complete machine is also had substantial degradation.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.
For this reason, an object of the present utility model is to propose a kind of simple in structure, easy for installation, inlet duct for dust catcher that muting function is good.
Another object of the present utility model is to propose a kind of dust catcher with the above-mentioned inlet duct for dust catcher.
According to an aspect of the present utility model, provide a kind of inlet duct for dust catcher, having comprised: base, has had on the upper surface of described base along the first slot of the circumferential extension of described base; Outsides cover of electric machinery, the lower edge of described outsides cover of electric machinery is plugged in described the first slot, and the upper edge of described outsides cover of electric machinery is provided with the second slot and described outsides cover of electric machinery is provided with air outlet; Motor inner cover, it is protruding stupefied that the periphery wall of described motor inner cover is provided with the installation suitable with described the second slot, described motor inner cover is engaged in described outsides cover of electric machinery and protruding stupefied being plugged in described the second slot of described installation, on described motor inner cover, has the through hole being communicated with described air outlet; Motor, described motor is located in described motor inner cover; Motor upper cover, the lower edge of described motor upper cover is plugged on the upper edge of described motor inner cover and described motor upper cover has opening upwards; Wind-collecting cover, has first through hole relative with described opening on the roof of described wind-collecting cover, the upper surface of described wind-collecting cover is provided with the 3rd slot around described the first through hole, and the lower edge of described wind-collecting cover is plugged in described the second slot; The first sealing ring, described the first sealing ring is located between described motor upper cover and described wind-collecting cover; With motor air intake cover, the lower edge of described motor air intake cover is plugged in described the 3rd slot and on described motor air intake cover has air inlet.
According to the inlet duct for dust catcher of the utility model embodiment, the inner noise of propagating from inside to outside producing of inlet duct, first in the second silencing cavity, tentatively filter, then in the 3rd silencing cavity, further filter, thus, the noise that can produce inlet duct is isolated effectively, greatly reduces the noise of dust catcher complete machine, thereby can obtain better quiet or super-silent product.In addition, by utilizing the suddenly amplification of the first silencing cavity inner space, can also guide air-flow, become along the path in the first silencing cavity more mild, noise of disorderly air-flow is weakened, thus, can improve further the muting function of inlet duct.
In addition, according to the inlet duct for dust catcher of the utility model above-described embodiment, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described motor inner cover comprises interior bucket and is positioned at the outer barrel of described bucket outside, between described interior bucket and described outer barrel, be limited with enclosed cavity, described interior bucket is provided with the second through hole that is communicated with described interior bucket and described sealing chamber, described outer barrel is provided with the third through-hole that is communicated with described sealing chamber and described outsides cover of electric machinery, projection and the described third through-hole projection on horizontal plane of described the second through hole on horizontal plane staggered, and described motor is located in described interior bucket.Thus, can extend airflow path, make disorderly air-flow become milder.
Preferably, the projection of described the second through hole on horizontal plane is relative about the projection on horizontal plane with described third through-hole.
Further, on described outsides cover of electric machinery, there is the vertical baffle relative with described third through-hole.Further, on described outsides cover of electric machinery, also there is the horizontal baffle being connected with described vertical baffle.
According to an embodiment of the present utility model, between the diapire of described interior bucket and the bottom surface of described motor, be provided with motor beam.Thus, avoid the vibrations of motor to be delivered on motor inner cover, thereby reduced the noise producing because of motor vibrations.
According to an embodiment of the present utility model, between described interior bucket and described motor, be provided with silencing cotton.
For improving the seal of inlet duct, according to an embodiment of the present utility model, between the lower edge of described outsides cover of electric machinery and described the first slot, be provided with the second sealing ring, between protruding stupefied and described the second slot of the installation of the lower edge of described wind-collecting cover, described motor inner cover, be provided with the 3rd sealing ring, between the lower edge of described motor air intake cover and described the 3rd slot, be provided with the 4th sealing ring.
According to an embodiment of the present utility model, the bottom left section in the cross section of described outsides cover of electric machinery and described base is configured to trapezoidal.
According to another aspect of the present utility model, provide a kind of dust catcher, comprised according to the inlet duct for dust catcher as above.
According to the dust catcher of the utility model embodiment, the noise of propagating from inside to outside that the inlet duct inside of dust catcher produces, first in the second silencing cavity, tentatively filter, then in the 3rd silencing cavity, further filter, thus, the noise that can produce inlet duct is isolated effectively, greatly reduces the noise of dust catcher complete machine, thereby can obtain better quiet or super-silent product.In addition, by utilizing the suddenly amplification of the first silencing cavity inner space, can also guide air-flow, become along the path in the first silencing cavity more mild, noise of disorderly air-flow is weakened, thus, can improve further the muting function of inlet duct.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is according to the cross-sectional schematic of the air-intake device for dust catcher of an embodiment of the present utility model;
Fig. 2 is the motor air-out cross sectional plan view of air-intake device in Fig. 1.
Reference numeral:
For the inlet duct 100 of dust catcher,
Base 10, the first slots 11,
Outsides cover of electric machinery 20, the second slots 21, air outlet 22,
Motor inner cover 30, install protruding stupefied 31, interior bucket 32, outer barrel 33,
Through hole 34, the second through holes 341, third through-hole 342, enclosed cavity 35,
Motor 40,
Motor upper cover 50, opening 51, vertical baffle 52, horizontal baffle 53, Vertical Channel 54, horizontal channel 55,
Wind-collecting cover 60, the first through hole 61, the three slots 62,
Motor air intake cover 70, air inlet 71,
The first sealing ring 81, motor beam 82, silencing cotton 83,
The second sealing ring 84, the three sealing ring 85, the four sealing rings 86,
The first silencing cavity 91, trapezoid area 911, the second silencing cavity 92, the three silencing cavity 93.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to Fig. 1-Fig. 2, describe the inlet duct 100 for dust catcher according to the utility model embodiment in detail.
As shown in Figure 1, the inlet duct 100 for dust catcher according to the utility model embodiment, comprising: base 10, outsides cover of electric machinery 20, motor inner cover 30, motor 40, motor upper cover 50, wind-collecting cover 60, the first sealing ring 81 and motor air intake cover 70.
Particularly, have along the first slot 11 of the circumferential extension of base 10 on the upper surface of base 10, the lower edge of outsides cover of electric machinery 20 can be plugged in the first slot 11.Thus, simplify assembling process, improved production efficiency.For guaranteeing the air-tightness that is connected of base 10 and outsides cover of electric machinery 20, can between the lower edge of outsides cover of electric machinery 20 and the first slot 11, the second sealing ring 84 be set.
Outsides cover of electric machinery 20 is provided with air outlet 22, and for example, air outlet 22 is located on the sidewall of outsides cover of electric machinery 20, and the gas being drawn in inlet duct 100 can be discharged by air outlet 22.For simplifying the structure of inlet duct 100, the upper edge of outsides cover of electric machinery 20 is also provided with the second slot 21, it is protruding stupefied 31 that the periphery wall of motor inner cover 30 is provided with the installation suitable with the second slot 21, and motor inner cover 30 is engaged in outsides cover of electric machinery 20 and installs protruding stupefied 31 and is plugged in the second slot 21.For example as shown in Figure 1, protruding stupefied 31 positions that can be located near the upper end of motor inner cover 30 are installed, and protrude from the periphery wall of motor inner cover 30, thus, be convenient to installation protruding stupefied 31 to be assemblied in the second slot 21.On motor inner cover 30, also have the through hole 34 being communicated with air outlet 22, the air-flow that enters into motor inner cover 30 can flow to motor inner cover 30 outsides by through hole 34, and is discharged to outside outsides cover of electric machinery 20 by air outlet 22.
It should be noted that, base 10, outsides cover of electric machinery 20 and motor inner cover 30 common formation the first silencing cavity 91, thus, can effectively isolate the noise that motor 40 produces, effectively suppress the noise propagation of portion within it, and then reduced the noise of whole inlet duct 100.The bottom left section in the cross section of outsides cover of electric machinery 20 and motor base 10 is configured to trapezoidal, for example, as shown in trapezoid area in Fig. 1 911.Air-flow is when entering into trapezoid area 911, because suddenly amplify in the space at the interior trapezoid area of the first silencing cavity 91 911 places, the noise producing because of turbulent flow can be filtered by the first silencing cavity 91, and noise cannot have effect spread in the first silencing cavity 91, thereby the noise that has further reduced inlet duct 100 inside, has improved the muting function for the inlet duct 100 of dust catcher.
The lower edge of motor upper cover 50 is plugged on the upper edge of motor inner cover 30 and motor upper cover 50 has opening 51 upwards.Particularly, as shown in Figure 1, the lower end of motor upper cover 50 is opened wide, and the upper end of motor inner cover 30 is opened wide, and peg graft in the top of the lower edge of motor upper cover 50 and motor inner cover 30, jointly to form the chamber that holds motor 40.The air-flow that enters into inlet duct 100 can be entered in the chamber that holds motor 40 by the opening 51 in motor upper cover 50, then flows to outside motor inner cover 30 by the through hole 34 on motor inner cover 30, and enters in the first silencing cavity 91.Motor 40 is located in motor inner cover 30.Particularly, motor 40 is located in motor upper cover 50 and the common chamber forming of motor inner cover 30.In addition,, for further reducing the noise of inlet duct 100 interior generations, can also between motor inner cover 30 and motor 40, silencing cotton 83 be set.
As shown in Figure 1, have first through hole 61 relative with opening 51 on the roof of wind-collecting cover 60, air-flow enters in wind-collecting cover 60 by the first through hole 61, then is entered in motor upper cover 50 by the opening 51 of motor upper cover 50.The upper surface of wind-collecting cover 60 is provided with the 3rd slot 62 around the first through hole 61, and the lower edge of wind-collecting cover 60 is plugged in the second slot 21.That is to say, the installation protruding stupefied 31 of the lower edge of wind-collecting cover 60 and motor inner cover 30 is arranged in the second slot 21 jointly.Thus, can make the structure of inlet duct 100 compacter, reasonable, improve efficiency of assembling.
For improving the connection seal between wind-collecting cover 60, outsides cover of electric machinery 20 and motor inner cover 30, between the installation protruding stupefied 31 of motor inner cover 30 and the second slot 21, the 3rd sealing ring 85 is set.Similarly, the first sealing ring 81 is set between motor upper cover 50 and wind-collecting cover 60.Particularly, the first sealing ring 81 can be located between the top of wind-collecting cover 60 and the top of motor upper cover 50, so that wind-collecting cover 60 and motor upper cover 50 are sealed.Thus, so that the air-flow being entered by the first through hole 61 can flow into motor upper cover 50 inside by opening 51.In addition, can also between the lower edge of motor air intake cover 70 and the 3rd slot 62, the 4th sealing ring 86 be set, to improve the seal that is connected between motor air intake cover 70 and wind-collecting cover 60.The lower edge of machine air intake cover is plugged in the 3rd slot 62, thus, has reduced the number of part, has simplified assembly process, has improved production efficiency.In addition, also have air inlet 71 on motor air intake cover 70, thus, air-flow can enter in motor air intake cover 70 by air inlet 71, as shown in arrow c in Fig. 1.
As shown in Figure 1, it should be noted that, between the top of motor inner cover 30, motor upper cover 50, motor 40, the first sealing ring 81 and silencing cotton 83, jointly formed a sealing, independently space, i.e. the second silencing cavity 92.The second silencing cavity 92 is as ground floor noise reduction layer, contiguous motor 40 produces the impeller part of noise maximum, with the noise that motor 40 impellers are partly produced, tentatively isolate, make noise in the second silencing cavity 92, have effect spread, thereby effectively reduced the noise of dust catcher.
Also it should be noted that, as shown in Figure 1 and Figure 2, between wind-collecting cover 60, motor upper cover 50, the first sealing ring 81 and the 3rd sealing ring 85, also jointly formed a sealing, independently space, i.e. the 3rd silencing cavity 93.The 3rd silencing cavity 93 is located at the periphery of the second silencing cavity 92.The noise reduction principle of the 3rd silencing cavity 93 is identical with the second silencing cavity 92, is all that the space by a sealing cuts off the noise in inlet duct 100, and then reduces the noise level of whole dust catcher.The 3rd silencing cavity 93 can be used as second layer noise reduction layer, and the noise that motor 40 impellers are partly produced is isolated again, has effectively reduced the inner noise producing of inlet duct 100.
According to the inlet duct 100 for dust catcher of the utility model embodiment, the inner noise of propagating from inside to outside producing of inlet duct 100, first in the second silencing cavity 92, tentatively filter, then in the 3rd silencing cavity 93, further filter, thus, the noise that can produce inlet duct 100 is isolated effectively, greatly reduces the noise of dust catcher complete machine, thereby can obtain better quiet or super-silent product.In addition, by utilizing the suddenly amplification of the first silencing cavity 91 inner spaces, can also guide air-flow, become along the path in the first silencing cavity 91 more mild, noise of disorderly air-flow is weakened, thus, can improve further the muting function of inlet duct 100.
As shown in Figure 1, according to a specific embodiment of the present utility model, motor inner cover 30 can comprise interior bucket 32 and the outer barrel 33 that is positioned at bucket 32 outsides, and motor 40 is located in interior bucket 32.Particularly, between interior bucket 32 and outer barrel 33, be limited with enclosed cavity 35, interior barrel 32 is provided with bucket 32 and the second through hole 341 that seals chamber in connection.Outer barrel 33 is provided with the third through-hole 342 that is communicated with sealing chamber and outsides cover of electric machinery 20, projection and third through-hole 342 projection on horizontal plane of the second through hole 341 on horizontal plane staggered, so that flowed to the air-flow of enclosed cavity 35 by the second through hole 341, after the distance of enclosed cavity indoor moveable one end, by third through-hole 342, flowed out again, to extend air current flow distance, reduce the noise producing because of turbulent flow.
In addition, also it should be noted that, the noise in 342 pairs of air-flows of the second through hole 341 and third through-hole is by the effect of filtering, air-flow is successively through the second through hole 341 and third through-hole 342, the noise of air-flow inside is filtered substantially, thus, can further improve the muting function of inlet duct 100.
Preferably, the second projection of through hole 341 on horizontal plane is relative about the projection on horizontal plane with third through-hole 342.For example, as shown in arrow a in Fig. 2, the second through hole 341 is formed on the left side wall of interior bucket 32, third through-hole 342 is formed on the right side wall of outer barrel 33, air-flow is by the second through hole 341, air-flow is flowed out to after enclosed cavity 35 by the second through hole 341, will flow from left to right along the lateral wall of interior bucket 32, finally by third through-hole 342, is discharged to outer barrel 33 outsides.When air-flow flows out to enclosed cavity 35 by the second through hole 341, by third through-hole 342, flow out to outer barrel 33 outsides again after first roundabout through 180 °.Thus, extend air current flow path, made disorderly air-flow become more steady, reduced the noise of air current flow.
In optional examples more of the present utility model, as shown in Figure 1, in order further to extend air current flow distance, reduce the noise that turbulent flow produces, on outsides cover of electric machinery 20, there is the vertical baffle 52 relative with third through-hole 342 and the horizontal baffle 53 being connected with vertical baffle 52.Particularly, vertical baffle 52 forms Vertical Channel 54 with the lateral wall of outer barrel 33, and horizontal baffle 53 forms horizontal channel 55 with the diapire of outer barrel 33, makes air-flow after flowing out third through-hole 342, first along Vertical Channel 54, flows, then 55 flows along horizontal channel.
For example, shown in the arrow b in as shown in Figure 1, Figure 2, air-flow, after being flowed out by third through-hole 342, first flows in horizontal channel 55 along Vertical Channel 54, then flows in the first silencing cavity 91 along horizontal channel 55.Air-flow, in the first silencing cavity 91, is flowed out to outside inlet duct 100 by air outlet 22 after roundabout through 180 ° again.Thus, further extended air current flow path, made disorderly air-flow become more steady, while having reduced the noise of air current flow and motor 40 operation, fed back to the noise in dust arrester, thereby can obtain the dust catcher that muting function is good.
According to an embodiment of the present utility model, between the diapire of interior bucket 32 and the bottom surface of motor 40, be provided with motor beam 82.Thus, can effectively isolate motor 40 vibrations, reduce the noise that motor inner cover 30 is produced because of motor 40 vibrations.In addition, the part contacting with motor 40 in the first silencing cavity 91 can adopt flexible glue structure, can effectively isolate the vibrations conduction of motor.At one alternatively in embodiment of the present utility model, the first sealing ring 81, the second sealing ring 84, the 3rd sealing ring 85 and the 4th sealing ring 86 can be all rubber seal.
According to the dust catcher of the utility model embodiment, comprise inlet duct 100 as above.
According to the dust catcher of the utility model embodiment, the noise of propagating from inside to outside of the inlet duct 100 interior generations of dust catcher, first in the second silencing cavity 92, tentatively filter, then in the 3rd silencing cavity 93, further filter, thus, the noise that can produce inlet duct 100 is isolated effectively, greatly reduces the noise of dust catcher complete machine, thereby can obtain better quiet or super-silent product.In addition, by utilizing the suddenly amplification of the first silencing cavity 91 inner spaces, can also guide air-flow, become along the path in the first silencing cavity 91 more mild, noise of disorderly air-flow is weakened, thus, can improve further the muting function of inlet duct 100.
Below with reference to Fig. 1-Fig. 2, describe in detail according to the air current flow process in the inlet duct 100 of the dust catcher of the utility model embodiment.
Under motor 40 is in running order, air-flow is entered in motor wind-collecting cover 70 by air inlet 71, and along the direction shown in arrow c in Fig. 1, enters in motor upper cover 50 successively by the first through hole 61, opening 51; Under the effect of motor 40 impellers, air-flow is along the direction shown in arrow a in Fig. 1, Fig. 2, through the second through hole 341 on interior bucket 32, after roundabout 180 °, sidewall around interior bucket 32 flows to third through-hole 342 places of outer barrel 33, and is flowed out by third through-hole 342; (direction shown in arrow b as shown in Figure 1, Figure 2) flows for the Vertical Channel 54 that the air-flow being flowed out by third through-hole 342 limits along vertical baffle 52, horizontal baffle 53 and horizontal channel 55, after roundabout 180 °, enter in the first silencing cavity 91, finally by air outlet 22, discharged.Enter into the air-flow in inlet duct 100, through twice 180 ° roundabout after, extended air current flow path, make disorderly air-flow become more steady, while having reduced the noise of air current flow and motor 40 operation, feed back to the noise in dust arrester, thereby can obtain the dust catcher that muting function is good.
Due to, when air-flow enters into the first silencing cavity 91, suddenly amplify the first silencing cavity 91 inner spaces, and the noise of air-flow inside is filtered again, and thus, has further improved the muting function of inlet duct 100.In addition, the noise in 342 pairs of air-flows of the second through hole 341 and third through-hole also has the effect of filtration, and this is understandable for those skilled in the art person, repeats no more here.
Under motor 40 is in running order, the impeller of motor 40 is main noise sources, as shown in Figure 1, a sealing, independent the second silencing cavity 92 between the top of motor inner cover 30, motor upper cover 50, motor 40, the first sealing ring 81 and silencing cotton 83, have jointly been formed.The second silencing cavity 92 is as ground floor noise reduction layer, contiguous motor 40 produces the impeller part of noise maximum, with the noise that motor 40 impellers are partly produced, tentatively isolate, make noise in the second silencing cavity 92, have effect spread, thereby effectively reduced the noise of dust catcher.
As shown in Figure 1, also it should be noted that, between wind-collecting cover 60, motor upper cover 50, the first sealing ring 81 and the 3rd sealing ring 85, also jointly formed a sealing, independent the 3rd silencing cavity 93.The 3rd silencing cavity 93 is located at the periphery of the second silencing cavity 92.The noise reduction principle of the 3rd silencing cavity 93 is identical with the second silencing cavity 92, is all that the space by a sealing cuts off the noise in inlet duct 100, and then reduces the noise level of whole dust catcher.The 3rd silencing cavity 93 can be used as second layer noise reduction layer, and the noise that motor 40 impellers are partly produced is isolated again, has effectively reduced the inner noise producing of inlet duct 100.
In sum, the noise of propagating from inside to outside of the inlet duct 100 interior generations of dust catcher, first in the second silencing cavity 92, tentatively filter, then in the 3rd silencing cavity 93, further filter, thus, the noise that can produce inlet duct 100 is isolated effectively, greatly reduces the noise of dust catcher complete machine, thereby can obtain better quiet or super-silent product.In addition, by utilizing the suddenly amplification of the first silencing cavity 91 inner spaces, can also make the noise of air-flow inside be filtered again, become more mild, noise of disorderly air-flow is weakened, thus, can improve further the muting function of inlet duct 100.
In description of the present utility model, it will be appreciated that, term " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of indications such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is more than two, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, the specific features of description, structure, material or feature can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. for an inlet duct for dust catcher, it is characterized in that, comprising:
Base, has on the upper surface of described base along the first slot of the circumferential extension of described base;
Outsides cover of electric machinery, the lower edge of described outsides cover of electric machinery is plugged in described the first slot, and the upper edge of described outsides cover of electric machinery is provided with the second slot and described outsides cover of electric machinery is provided with air outlet;
Motor inner cover, it is protruding stupefied that the periphery wall of described motor inner cover is provided with the installation suitable with described the second slot, described motor inner cover is engaged in described outsides cover of electric machinery and protruding stupefied being plugged in described the second slot of described installation, on described motor inner cover, has the through hole being communicated with described air outlet;
Motor, described motor is located in described motor inner cover;
Motor upper cover, the lower edge of described motor upper cover is plugged on the upper edge of described motor inner cover and described motor upper cover has opening upwards;
Wind-collecting cover, has first through hole relative with described opening on the roof of described wind-collecting cover, the upper surface of described wind-collecting cover is provided with the 3rd slot around described the first through hole, and the lower edge of described wind-collecting cover is plugged in described the second slot;
The first sealing ring, described the first sealing ring is located between described motor upper cover and described wind-collecting cover; With
Motor air intake cover, the lower edge of described motor air intake cover is plugged in described the 3rd slot and on described motor air intake cover has air inlet.
2. the inlet duct for dust catcher according to claim 1, it is characterized in that, described motor inner cover comprises interior bucket and is positioned at the outer barrel of described bucket outside, between described interior bucket and described outer barrel, be limited with enclosed cavity, described interior bucket is provided with the second through hole that is communicated with described interior bucket and described sealing chamber, described outer barrel is provided with the third through-hole that is communicated with described sealing chamber and described outsides cover of electric machinery, projection and the described third through-hole projection on horizontal plane of described the second through hole on horizontal plane staggered, and described motor is located in described interior bucket.
3. the inlet duct for dust catcher according to claim 2, is characterized in that, the projection of described the second through hole on horizontal plane is relative about the projection on horizontal plane with described third through-hole.
4. according to the inlet duct for dust catcher described in claim 2 or 3, it is characterized in that on described outsides cover of electric machinery, thering is the vertical baffle relative with described third through-hole.
5. the inlet duct for dust catcher according to claim 4, is characterized in that, also has the horizontal baffle being connected with described vertical baffle on described outsides cover of electric machinery.
6. the inlet duct for dust catcher according to claim 2, is characterized in that, between the diapire of described interior bucket and the bottom surface of described motor, is provided with motor beam.
7. the inlet duct for dust catcher according to claim 2, is characterized in that, between described interior bucket and described motor, is provided with silencing cotton.
8. the inlet duct for dust catcher according to claim 1, it is characterized in that, between the lower edge of described outsides cover of electric machinery and described the first slot, be provided with the second sealing ring, between protruding stupefied and described the second slot of the installation of the lower edge of described wind-collecting cover, described motor inner cover, be provided with the 3rd sealing ring, between the lower edge of described motor air intake cover and described the 3rd slot, be provided with the 4th sealing ring.
9. the inlet duct for dust catcher according to claim 1, is characterized in that, the bottom left section in the cross section of described outsides cover of electric machinery and described base is configured to trapezoidal.
10. a dust catcher, is characterized in that, comprises according to the inlet duct for dust catcher described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200808.XU CN203841615U (en) | 2014-04-23 | 2014-04-23 | Dust collector and air intake device for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200808.XU CN203841615U (en) | 2014-04-23 | 2014-04-23 | Dust collector and air intake device for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203841615U true CN203841615U (en) | 2014-09-24 |
Family
ID=51554692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420200808.XU Withdrawn - After Issue CN203841615U (en) | 2014-04-23 | 2014-04-23 | Dust collector and air intake device for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203841615U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105054868A (en) * | 2015-08-20 | 2015-11-18 | 莱克电气股份有限公司 | Comprehensive shock absorbing and noise reducing device of motor |
| CN106859493A (en) * | 2017-04-24 | 2017-06-20 | 江苏美的清洁电器股份有限公司 | Air guide structure and dust catcher before the motor of dust catcher |
| CN106889942A (en) * | 2017-04-24 | 2017-06-27 | 江苏美的清洁电器股份有限公司 | Air guide structure and dust catcher before the motor of dust catcher |
| CN106913279A (en) * | 2017-04-24 | 2017-07-04 | 江苏美的清洁电器股份有限公司 | The wind scooper and dust catcher of dust catcher |
| CN107374502A (en) * | 2017-07-28 | 2017-11-24 | 江苏美的清洁电器股份有限公司 | Dustbin type dust catcher |
-
2014
- 2014-04-23 CN CN201420200808.XU patent/CN203841615U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104997463B (en) * | 2014-04-23 | 2017-07-28 | 江苏美的清洁电器股份有限公司 | Inlet duct and dust catcher for dust catcher |
| CN105054868A (en) * | 2015-08-20 | 2015-11-18 | 莱克电气股份有限公司 | Comprehensive shock absorbing and noise reducing device of motor |
| CN106859493A (en) * | 2017-04-24 | 2017-06-20 | 江苏美的清洁电器股份有限公司 | Air guide structure and dust catcher before the motor of dust catcher |
| CN106889942A (en) * | 2017-04-24 | 2017-06-27 | 江苏美的清洁电器股份有限公司 | Air guide structure and dust catcher before the motor of dust catcher |
| CN106913279A (en) * | 2017-04-24 | 2017-07-04 | 江苏美的清洁电器股份有限公司 | The wind scooper and dust catcher of dust catcher |
| CN106913279B (en) * | 2017-04-24 | 2019-04-09 | 江苏美的清洁电器股份有限公司 | The wind scooper and dust catcher of dust catcher |
| CN106889942B (en) * | 2017-04-24 | 2019-08-30 | 江苏美的清洁电器股份有限公司 | Air guide structure and dust catcher before the motor of dust catcher |
| CN107374502A (en) * | 2017-07-28 | 2017-11-24 | 江苏美的清洁电器股份有限公司 | Dustbin type dust catcher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215100 Patentee after: JIANGSU MIDEA CLEANING ELECTRICAL APPLIANCE CO., LTD. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Patentee before: Jiangsu Midea Chunhua Electric Appliance Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20170728 |
|
| AV01 | Patent right actively abandoned |