CN107095616A - The inner cover and dust catcher of dust catcher - Google Patents

The inner cover and dust catcher of dust catcher Download PDF

Info

Publication number
CN107095616A
CN107095616A CN201710272229.4A CN201710272229A CN107095616A CN 107095616 A CN107095616 A CN 107095616A CN 201710272229 A CN201710272229 A CN 201710272229A CN 107095616 A CN107095616 A CN 107095616A
Authority
CN
China
Prior art keywords
inner cover
dust catcher
cover
ring
outer ring
Prior art date
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.)
Pending
Application number
CN201710272229.4A
Other languages
Chinese (zh)
Inventor
林云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Jiangsu Midea Cleaning Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Midea Cleaning Appliances Co Ltd filed Critical Jiangsu Midea Cleaning Appliances Co Ltd
Priority to CN201710272229.4A priority Critical patent/CN107095616A/en
Publication of CN107095616A publication Critical patent/CN107095616A/en
Priority to PCT/CN2018/084274 priority patent/WO2018196749A1/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/0081Means for exhaust-air diffusion; Means for sound or vibration damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)

Abstract

The invention discloses a kind of inner cover of dust catcher and dust catcher, the inner cover of the dust catcher includes:Inner cover inner ring, inner cover outer ring, connecting plate and interior cover plate, the inner cover outer ring is set in outside the inner cover inner ring, and top is connected by connecting plate with the inner cover inner ring, the lower end of inner cover outer ring described in the inner cover cover closure, and be spaced apart to limit inner cover air flow channel with the bottom wall of the inner cover inner ring, the electric machine assembly of the dust catcher is adapted to mount in the accommodating chamber of the inner cover inner ring, the ventilation device of the accommodating chamber and the inner cover air flow channel is communicated with least one in the connecting plate and the inner cover outer ring, the part of the remote ventilation device of the inner cover outer ring is provided with steam vent.The motor cover body of the dust catcher of the present invention, by setting the inner cover of multilayer, can extend the bang path of pneumatic noise, reduction is delivered to the pneumatic noise in the external world.

Description

The inner cover and dust catcher of dust catcher
Technical field
The invention belongs to dust catcher manufacturing technology field, inner cover in particular to a kind of dust catcher and with the electricity The dust catcher of bonnet body.
Background technology
With continuing to develop for dust catcher industry, requirement of the people to dust catcher also more and more higher, to the experience in use It is required that also increasingly stricter, the sound of the generation particularly in machine operation chooses the most important condition of dust catcher as people One of.During the present invention is realized, inventor has found, in correlation technique, from motor cover outlet after air-flow enters motor It is expelled directly out, noise also directly travels to outside with air-flow, almost motor is directly exposed in use environment so that dust catcher Overall noise is very big, there is room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of inhale The inner cover of dirt device, the inner cover of the dust catcher can extend the bang path of pneumatic noise, and the air-flow that reduction is delivered to the external world is made an uproar Sound.
The inner cover of dust catcher according to embodiments of the present invention, including:Inner cover inner ring, inner cover outer ring, connecting plate and inner cover lid Plate, the inner cover outer ring is set in outside the inner cover inner ring, and top is connected by connecting plate with the inner cover inner ring, described interior Cover plate closes the lower end of the inner cover outer ring, and is spaced apart to limit inner cover air stream with the bottom wall of the inner cover inner ring Road, the electric machine assembly of the dust catcher is adapted to mount in the accommodating chamber of the inner cover inner ring, the connecting plate and the inner cover The ventilation device of the accommodating chamber and the inner cover air flow channel, the inner cover outer ring are communicated with least one in outer ring The remote ventilation device part be provided with steam vent.
The motor cover body of dust catcher according to embodiments of the present invention, by setting the inner cover of multilayer, can extend air-flow and make an uproar The bang path of sound, reduction is delivered to the pneumatic noise in the external world, and the isolation by multiple cover body to motor oscillating, can prevent Vibrating noise is directly delivered to the housing of dust catcher, helps to weaken the operating noise of dust catcher.
The inner cover of dust catcher according to an embodiment of the invention, the perisporium of the inner cover inner ring includes many sub- inner rings, Multiple sub- inner rings are circumferentially spaced to be set, and each sub- inner ring both sides be connected with the inner cover outer ring with Separate the inner cover air flow channel in circumference.
Preferably, the both sides of the sub- inner ring towards close to the inner cover outer ring direction extend outward with outside the inner cover The connected extension of the internal perisporium of circle to separate the inner cover air flow channel in the circumferential.
Preferably, the connecting plate is the plate body radially extended, and including many sub- connecting plates, multiple sub- connecting plates It is circumferentially spaced to set, and corresponded with multiple sub- inner rings.
Further, at least one in multiple sub- connecting plates is provided with passage, the corresponding sub- inner ring Perisporium is provided with air channel, and the ventilation device includes the passage and the air channel.
Specifically, the passage is multiple, and is set to dot matrix type, and the air channel is multiple and circumferentially spaced Open up and put, the steam vent is multiple, and is set to dot matrix type.
The inner cover of dust catcher according to an embodiment of the invention, the ventilation device is located at institute respectively with the steam vent The radially opposite sides of inner cover are stated, the inner cover air flow channel forms two in the junction of the interior cover plate Yu the inner cover outer ring Bend.
The inner cover of dust catcher according to an embodiment of the invention, in addition to:Sound-absorbing sponge, the sound-absorbing sponge is located at institute State in inner cover air flow channel.
The inner cover of dust catcher according to an embodiment of the invention, in addition to:Upper outlet body, the upper outlet body and the inner cover Outer ring is connected, and limits the accommodating chamber jointly with the inner cover inner ring, the connecting plate
The inner cover of dust catcher according to an embodiment of the invention, the table of the direction electric machine assembly of the interior cover plate Face is provided with reflection groove.
The inner cover of dust catcher according to an embodiment of the invention, the inner cover inner ring, the inner cover outer ring, the connection Plate is integrally formed.
The invention also provides a kind of dust catcher, the inner cover with the dust catcher described in any item as described above.
The inner cover of the dust catcher and above-mentioned dust catcher had the advantage that relative to prior art it is identical, herein no longer Repeat.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein:
Fig. 1 is the longitudinal sectional view of the dust catcher according to one embodiment of the invention;
Fig. 2 is the longitudinal sectional view (showing electric machine assembly) of the inner cover according to one embodiment of the invention;
Fig. 3 is the structural representation of the inner cover according to one embodiment of the invention;
Fig. 4 is the structural representation (showing that air-flow is moved towards) of the inner cover according to one embodiment of the invention;
Fig. 5 is the schematic partial sectional view of the interior cover plate according to one embodiment of the invention.
Reference:
Dust catcher 1000, complete machine air inlet 1001, complete machine exhaust outlet 1002,
Motor cover body 100, accommodating chamber 101, inner cover air flow channel 102, reflection groove 106,
Outer cover 110, upper outlet body 112,
Inner cover 120, inner cover outer ring 121, steam vent 121a, inner cover inner ring 122, sub- inner ring 122a, air channel 122b, extension Portion 122c, interior cover plate 123, connecting plate 125, sub- connecting plate 125a, passage 125b,
Housing 200, base 210,
Electric machine assembly 300, motor 310, motor wedge 320,
Dirt cup 400, preceding air guide structure 500, air cleaner 600.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
Dust catcher 1000 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 5.
As shown in figure 1, dust catcher 1000 can include:Housing 200, dirt cup 400, motor cover body 100, electric machine assembly 300, Air cleaner 600 etc..
Housing 200 limits the cavity for accommodating the parts such as dirt cup 400, motor cover body 100, air cleaner 600, shell Body 200 includes base 210, and base 210 is used to support complete machine, and housing 200 has complete machine air inlet 1001 and complete machine exhaust outlet 1002, complete machine air inlet 1001 is used to suck gas, and complete machine exhaust outlet 1002 is used to discharge after complete machine makees dust and gas separation Gas, dirt cup 400 is used to carry out dust and gas separation to the gas that complete machine air inlet 1001 is sucked, and electric machine assembly 300 is located at dirt cup 400 Side, motor cover body 100 sets and installs electric machine assembly 300 for cover, and the gas that electric machine assembly 300 is sucked can pass through electricity The air flow channel that bonnet body 100 is limited flows into complete machine exhaust outlet 1002 and discharged, and sky is also provided with before complete machine exhaust outlet 1002 Air filter 600, air cleaner 600 is used to filter the gas to be discharged.
Motor cover body 100 includes inner cover 120, and electric machine assembly 300 is arranged in inner cover 100, and motor cover body 100 can also be wrapped Include outer cover 110, inner cover 120 can be located in outer cover 110, can also be limited between inner cover 120 and outer cover 110 air flow channel with The air-flow export that thermomechanical components 300 of powering are sucked.
The inner cover 120 of dust catcher 1000 according to embodiments of the present invention is described with reference first to Fig. 1-Fig. 4.
Shown in Fig. 1-Fig. 4, the inner cover 120 of dust catcher 1000 is used to install electric machine assembly 300.The inner cover of dust catcher 1000 120 include:Inner cover inner ring 122, inner cover outer ring 121, connecting plate 125 and interior cover plate 123.
Wherein, inner cover outer ring 121 is set in outside inner cover inner ring 122, and the top of inner cover outer ring 121 passes through connecting plate 125 It is connected with inner cover inner ring 122, such as the top of inner cover outer ring 121 can be by the top phase of connecting plate 125 and inner cover inner ring 122 Even, connecting plate 125 can be the plate body radially extended.Preferably, inner cover inner ring 122, inner cover outer ring 121, connecting plate 125 can To be integrally formed.
The open at its lower end of inner cover outer ring 121, the lower end of the interior closing inner cover of cover plate 123 outer ring 121, interior cover plate 123 can To be connected with the clamping of inner cover outer ring 121, inner cover inner ring 122, inner cover outer ring 121, connecting plate 125 and interior cover plate 123 can have There is concave longitudinal section.
The bottom wall of inner cover inner ring 122 is spaced apart to limit inner cover air flow channel 102, inner cover inner ring with interior cover plate 123 122nd, inner cover outer ring 121, connecting plate 125 and interior cover plate 123 limit inner cover air flow channel 102, inner cover air flow channel jointly 102 can include the circumferential air flow channel and inner cover inner ring that is formed between the perisporium of inner cover inner ring 122 and the outer ring of inner cover 120 The air flow channel of the bottom of formation between 122 bottom wall and interior cover plate 123.
The electric machine assembly 300 of dust catcher 1000 is adapted to mount in the accommodating chamber 101 of inner cover inner ring 122, connecting plate 125 Ventilation device is provided with least one in inner cover outer ring 121, accommodating chamber 101 is tied with inner cover air flow channel 102 by ventilating Structure is connected.Such as in a kind of optional embodiment, connecting plate 125 is provided with ventilation device, inner cover outer ring 121 and not set Put ventilation device;In an alternative embodiment, it is not provided with setting on ventilation device, inner cover outer ring 121 on connecting plate 125 It is equipped with ventilation device;In another optional embodiment, ventilation knot is provided with connecting plate 125 and inner cover outer ring 121 Structure.
The part of the remote ventilation device of inner cover outer ring 121 is provided with steam vent 121a, and steam vent 121a is used in flow direction The gas export of cover air flow channel 102, such as, with reference to Fig. 1, inner cover outer ring 121, interior cover plate 123 and outer cover 110 can be total to With air flow channel under outer cover is limited, inner cover air flow channel 102 can be connected by steam vent 121a with air flow channel under outer cover.
It is understood that with reference to Fig. 2, the air flow in inner cover 120 is:Air-flow is inhaled from the suction inlet of electric machine assembly 300 Enter, and be drained into by electric machine assembly 300 in accommodating chamber 101, it is empty that the air-flow in accommodating chamber 101 flows into inner cover by ventilation device again Flow channel 102, then discharged by steam vent 121a, further, because steam vent 121a is located at the remote logical of inner cover outer ring 121 The part of depressed structure, so, air-flow enter after electric machine assembly 300, and one section of long runner is passed through in discharge, accordingly, The bang path of pneumatic noise is greatly elongated, and the noise for passing to the external world is greatly weakened.
As depicted in figs. 1 and 2, electric machine assembly 300 includes motor 310 and motor wedge 320, and motor 310 is supported on motor On wedge 320, motor wedge 320 is supported on the bottom wall of inner cover inner ring 122, and such motor wedge 320 is by the He of inner cover inner ring 122 The outer ring of inner cover 120 is successively coated, so as to be separated between the base 210 of housing 200 by multiple cover body and air, motor 310 Vibration inner cover inner ring 122 can only be just passed to by motor wedge 320, rather than be passed directly to base 210, vibrating noise passes through The multiple isolation of inner cover inner ring 122, the outer ring of inner cover 120 and air, the vibrating noise of motor 310 is greatly decayed.
The inner cover 120 of dust catcher 1000 according to embodiments of the present invention, by setting the inner cover 120 of multilayer, can extend The bang path of pneumatic noise, reduction be delivered to the external world pneumatic noise, and by multiple cover body motor 310 is vibrated every From, vibrating noise can be prevented to be directly delivered to the housing 200 of dust catcher 1000, contribute to weaken dust catcher 1000 work Noise.
The inner cover 120 of dust catcher 1000 according to the preferred embodiment of the invention, as shown in figs 2-4, steam vent 121a can Think multiple, it is preferable that multiple steam vent 121a can be designed as dot matrix type, specifically, multiple steam vent 121a can be designed For honeycomb dot matrix type, the gas in inner cover air flow channel 102 when flowing through the steam vent 121a of said structure form, air-flow Partial noise can be stopped by inner cover outer ring 121.
The inner cover 120 of dust catcher 1000 according to the preferred embodiment of the invention, as Figure 3-Figure 4, inner cover inner ring 122 Perisporium include many sub- inner ring 122a, such as two, many sub- inner ring 122a are circumferentially spaced to be set, and every sub- inner ring 122a both sides are connected with inner cover outer ring 121 to separate inner cover air flow channel 102 in the circumferential, and every sub- inner ring 122a only divides The circumferential air flow channel formed between the perisporium of inner cover inner ring 122 and the outer ring of inner cover 120 is cut, such air-flow must pass through inner cover The air flow channel of the bottom of formation between the bottom wall of inner ring 122 and interior cover plate 123, effective road of inner cover air flow channel 102 Path length.Specifically, sub- inner ring 122a both sides extend outward extension 122c towards the direction close to inner cover outer ring 121, extend Portion 122c is connected to separate inner cover air flow channel 102 in the circumferential with the internal perisporium of inner cover outer ring 121.
Further, as shown in Fig. 2 connecting plate 125 is the plate body radially extended, and connecting plate 125 connects including many height Fishplate bar 125a, many sub- connecting plate 125a can be set with circumferentially spaced, and many sub- connecting plate 125a and many sub- inner rings 122a is corresponded, and every sub- connecting plate 125a is connected with a sub- inner ring 122a respectively, every individual sub- connecting plate 125a, corresponding Sub- inner ring 122a and inner cover 120 outer ring limits one piece of sub- inner cover air flow channel jointly, and different sub- inner cover air flow channels are needed To be connected by the air flow channel of the bottom of the formation between the bottom wall and interior cover plate 123 of inner cover inner ring 122.
At least one in many sub- connecting plate 125a is provided with passage 125b, corresponding sub- inner ring 122a perisporium Provided with air channel 122b, ventilation device includes passage 125b and air channel 122b, so, the efficiency high of exhaust.
Further, with reference to Fig. 3, passage 125b can be multiple, and multiple passage 125b could be arranged to dot matrix Type, specifically, the air-flow that multiple passage 125b can be designed as in honeycomb dot matrix type, accommodating chamber 101 are flowing through said structure During the passage 125b of form, the partial noise of air-flow can be stopped with quilt connecting plate 125a.
Further, with reference to Fig. 3, air channel 122b can be to be multiple, and multiple air channel 122b are circumferentially spaced opens up Put, air channel 122b can be located at inner cover inner ring 122 perisporium top, such as can extend to inner cover inner ring 122 with The junction of connecting plate 125.Air channel 122b can be rectangle, certainly, be not limited to rectangle, can also be other shapes, such as It is oval, trapezoidal etc..Air-flow in accommodating chamber 101 is when flowing through the air channel 122b of said structure form, and the part of air-flow is made an uproar Sound can be stopped by inner cover inner ring 122.
Ventilation device is located at the radially opposite sides of inner cover 120 with steam vent 121a respectively, and inner cover air flow channel 102 is in inner cover lid Plate 123 and the junction of inner cover outer ring 121 form two bends.
It is understood that the inner cover 120 by setting said structure form, can arrive steam vent 121a in motor 310 Between form the air channel of labyrinth shape, the frequent many places bend of air-flow can form passage between each bend, whole gas flowing Path becomes very long, and noise is in communication process, often by bend at one, and noise can all be reduced due to factors such as reflections, noise Propagation path is longer, and noise transmission can be lower, and gas passes through the air channel of labyrinth shape, and the noise of motor 310 can be decreased sufficiently.
Inner cover 120 according to embodiments of the present invention can also include:Sound-absorbing sponge (not shown), sound-absorbing sponge can be with It is located in inner cover air flow channel 102.When air-flow is by sound-absorbing sponge, the noise of air-flow is absorbed by porous sound-absorbing sponge, inhales Inner cover air flow channel 102 can be filled up by drawing sponge, and such sound-absorbing effect more preferably, certainly, can be by according to the difference of gas-flow resistance Sound-absorbing sponge need to be filled in the subregion of inner cover air flow channel 102.
Inner cover 120 according to the preferred embodiment of the invention can also include:Upper outlet body 112, upper outlet body 112 and inner cover outer ring 121 are connected, such as upper outlet body 112 can be with the outer ring clamping of inner cover 120, and upper outlet body 112 and inner cover inner ring 122, connecting plate 125 Accommodating chamber 101 is limited jointly, and upper outlet body 120 can be connected with the suction inlet of motor 310, and extend downwardly to be located at motor 310 top.
In a preferred embodiment of the invention, as shown in figure 5, interior cover plate 123 towards electric machine assembly 300 Surface can be provided with reflection groove 106, reflection groove 106 can reflect noise.
It is understood that air-flow flows in inner cover air flow channel 102, noise is also passed in inner cover air flow channel 102 Broadcast, the noise that motor 310 vibrates is transmitted downwards through the bottom wall of motor wedge 320 and inner cover inner ring 122 successively, in being delivered to During cover air flow channel 102, the sound of cover plate 123 is reflected by reflection groove 106 in directive, as shown in figure 5, by setting reflection groove 106, can make the reflection direction of sound becomes mixed and disorderly unordered, and part reflection sound wave is with original acoustic phase on the contrary, just may be used To offset, the purpose of sound-deadening and noise-reducing is reached.
Specifically, reflection groove 106 can be multiple, and multiple reflection grooves 106 are formed as dot matrix type, specifically, multiple reflections Groove 106 can be formed as the dot matrix type of honeycomb fashion, and reflection groove 106 can be arc, and specifically, reflection groove 106 can be top dome Shape.
So, it can ceaselessly be reflected by the noise of reflection groove 106 on the way, make reflection sound wave as much as possible and original The acoustic phase come is on the contrary, to offset more noises, being defined to above-mentioned shape by reflection groove 106 and being conducive to noise towards multiple sides To reflection, and the shaping of reflection groove 106 is simple.The size of reflection groove 106 can be made correspondingly according to the wavelength of test noise Design.
As Figure 1-Figure 5, the dust catcher 1000 of the embodiment of the present invention has the inner cover 120 of any of the above-described kind of embodiment. Dust catcher 1000 according to embodiments of the present invention, operating noise is small.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this The scope of invention is limited by claim and its equivalent.

Claims (12)

1. a kind of inner cover of dust catcher, it is characterised in that including:Inner cover inner ring, inner cover outer ring, connecting plate and interior cover plate, institute Inner cover outer ring is stated to be set in outside the inner cover inner ring, and top is connected by connecting plate with the inner cover inner ring, the inner cover lid Plate closes the lower end of the inner cover outer ring, and is spaced apart to limit inner cover air flow channel, institute with the bottom wall of the inner cover inner ring The electric machine assembly for stating dust catcher is adapted to mount in the accommodating chamber of the inner cover inner ring, in the connecting plate and the inner cover outer ring At least one on be communicated with the ventilation device of the accommodating chamber and the inner cover air flow channel, the inner cover outer ring it is remote The part of the ventilation device is provided with steam vent.
2. the inner cover of dust catcher according to claim 1, it is characterised in that the perisporium of the inner cover inner ring includes many height Inner ring, multiple sub- inner rings are circumferentially spaced to be set, and each sub- inner ring both sides with inner cover outer ring phase Connect to separate the inner cover air flow channel in the circumferential.
3. the inner cover of dust catcher according to claim 2, it is characterised in that the both sides of the sub- inner ring are towards close to described interior It is described interior to separate in the circumferential that the direction of cover outer ring extends outward the extension being connected with the internal perisporium of the inner cover outer ring Cover air flow channel.
4. the inner cover of dust catcher according to claim 2, it is characterised in that the connecting plate is the plate body radially extended, And including many sub- connecting plates, multiple sub- connecting plates are circumferentially spaced to be set, and with a pair of the multiple sub- inner rings 1 Should.
5. the inner cover of dust catcher according to claim 4, it is characterised in that at least one in multiple sub- connecting plates Be provided with passage, the perisporium of the corresponding sub- inner ring is provided with air channel, the ventilation device include the passage and The air channel.
6. the inner cover of dust catcher according to claim 5, it is characterised in that the passage is multiple, and is set to a little Formation, the air channel to be multiple, and it is circumferentially spaced set, the steam vent is multiple, and is set to dot matrix type.
7. the inner cover of the dust catcher according to any one of claim 1-6, it is characterised in that the ventilation device with it is described Steam vent is located at the radially opposite sides of the inner cover respectively, and the inner cover air flow channel is in the interior cover plate and the inner cover outer ring Junction formed two bends.
8. the inner cover of the dust catcher according to any one of claim 1-6, it is characterised in that also include:Sound-absorbing sponge, institute Sound-absorbing sponge is stated to be located in the inner cover air flow channel.
9. the inner cover of the dust catcher according to any one of claim 1-6, it is characterised in that also include:Upper outlet body, it is described Upper outlet body is connected with the inner cover outer ring, and limits the accommodating chamber jointly with the inner cover inner ring, the connecting plate.
10. the inner cover of the dust catcher according to any one of claim 1-6, it is characterised in that the court of the interior cover plate Reflection groove is provided with to the surface of the electric machine assembly.
11. the inner cover of the dust catcher according to any one of claim 1-6, it is characterised in that the inner cover inner ring, described Inner cover outer ring, the connecting plate are integrally formed.
12. a kind of dust catcher, it is characterised in that the inner cover with the dust catcher as any one of claim 1-11.
CN201710272229.4A 2017-04-24 2017-04-24 The inner cover and dust catcher of dust catcher Pending CN107095616A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710272229.4A CN107095616A (en) 2017-04-24 2017-04-24 The inner cover and dust catcher of dust catcher
PCT/CN2018/084274 WO2018196749A1 (en) 2017-04-24 2018-04-24 Inner cover of dust collector and dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710272229.4A CN107095616A (en) 2017-04-24 2017-04-24 The inner cover and dust catcher of dust catcher

Publications (1)

Publication Number Publication Date
CN107095616A true CN107095616A (en) 2017-08-29

Family

ID=59657223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710272229.4A Pending CN107095616A (en) 2017-04-24 2017-04-24 The inner cover and dust catcher of dust catcher

Country Status (2)

Country Link
CN (1) CN107095616A (en)
WO (1) WO2018196749A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87201097U (en) * 1987-03-02 1987-12-26 电子工业部第二十一研究所 Multifunctional electric dust arrester
JP2002153017A (en) * 2000-11-09 2002-05-24 Matsushita Electric Ind Co Ltd Motor blower and electric cleaner therewith
CN2499583Y (en) * 2001-10-16 2002-07-10 孙荣兴 Foam sponge sound absorption board with corrugation
CN101205928A (en) * 2006-12-05 2008-06-25 安德烈亚斯·斯蒂尔两合公司 Manually guided blower
CN204003638U (en) * 2014-05-15 2014-12-10 宁波升鸿机械设备有限公司 A kind of silencer of high pressure blower
CN104983362A (en) * 2015-07-30 2015-10-21 江苏美的清洁电器股份有限公司 Engine cover structure and dust collector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11311432A (en) * 1997-05-26 1999-11-09 Toto Ltd Range hood
JP2004321975A (en) * 2003-04-25 2004-11-18 Sanyo Electric Co Ltd Air cleaner
JP2013063117A (en) * 2011-09-15 2013-04-11 Sharp Corp Vacuum cleaner
CN104414587A (en) * 2013-09-06 2015-03-18 江苏美的春花电器股份有限公司 Dust collector and air inlet device of dust collector
CN104545688B (en) * 2013-10-28 2017-08-25 江苏美的清洁电器股份有限公司 Dust catcher and its vibration absorber
CN104887152A (en) * 2014-03-04 2015-09-09 江苏美的春花电器股份有限公司 Dust collector and motor housing thereof
CN106264318A (en) * 2016-08-16 2017-01-04 江苏美的清洁电器股份有限公司 Instrument box-type dust catcher
CN107095616A (en) * 2017-04-24 2017-08-29 江苏美的清洁电器股份有限公司 The inner cover and dust catcher of dust catcher

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87201097U (en) * 1987-03-02 1987-12-26 电子工业部第二十一研究所 Multifunctional electric dust arrester
JP2002153017A (en) * 2000-11-09 2002-05-24 Matsushita Electric Ind Co Ltd Motor blower and electric cleaner therewith
CN2499583Y (en) * 2001-10-16 2002-07-10 孙荣兴 Foam sponge sound absorption board with corrugation
CN101205928A (en) * 2006-12-05 2008-06-25 安德烈亚斯·斯蒂尔两合公司 Manually guided blower
CN204003638U (en) * 2014-05-15 2014-12-10 宁波升鸿机械设备有限公司 A kind of silencer of high pressure blower
CN104983362A (en) * 2015-07-30 2015-10-21 江苏美的清洁电器股份有限公司 Engine cover structure and dust collector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
WO2018196749A1 (en) 2018-11-01

Similar Documents

Publication Publication Date Title
CN106901656A (en) The motor cover body and dust catcher of dust catcher
CN106871204B (en) Range hood
KR101353311B1 (en) Vacuum Cleaner
JP6247881B2 (en) Cyclone separator
KR20070067789A (en) Cyclonic cleaner
WO2019159701A1 (en) Precleaner for internal combustion engine
EP1559359A3 (en) Vacuum cleaner
CN107095616A (en) The inner cover and dust catcher of dust catcher
JP6221515B2 (en) Electric blower assembly
WO2017090480A1 (en) Cyclone dust collector
CN106438502A (en) Base and bladeless fan
CN108331686A (en) The inlet duct of internal combustion engine
CN105996891B (en) The host and dust catcher of dust catcher
CN110822507B (en) Volute for range hood, fan and range hood
JP6665116B2 (en) Noise attenuation in venturi devices and / or check valves
CN207306623U (en) Dust catcher
KR20090051345A (en) Vacuum cleaner
KR102081941B1 (en) Cleaning Appliance
CN205514396U (en) Ducting system of dust catcher and dust catcher that has it
CN106859494A (en) The motor cover body and dust catcher of dust catcher
CN101871444B (en) Muffler
CN111588303B (en) Dust collector
CN106068090A (en) Surface cleaning apparatus
CN105455729B (en) The electric machine assembly of dust catcher
JP4078154B2 (en) Electric vacuum cleaner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170829

RJ01 Rejection of invention patent application after publication