CN205533428U - Deciding impeller subassembly and have its dust catcher of motor - Google Patents

Abstract

The utility model discloses a deciding impeller subassembly and have its dust catcher of motor, the impeller subassembly of deciding of motor includes: chassis, blade, collection solar or lunar halo and muffler parts. The blade is established on the chassis, and it is annular a plurality of that the blade includes that the circumference interval arrangement of following the chassis is, and blade along the circumference on chassis and the extension to one side of inwards heeling, the muffler parts closing cap is on a plurality of blades, and the cooperation of muffler parts and chassis forms the wind channel between every two adjacent blades, collection solar or lunar halo links to each other and compresses tightly muffler parts with the chassis. According to the utility model discloses a motor decide the impeller subassembly, set up the protruding muscle in location through combination department deciding impeller and collection solar or lunar halo and can guarantee to decide the impeller and have abundant cohesion between the solar or lunar halo with collecting to can save the welding processes in the correlation technique, reduce cost. In addition, during the adfluxion can be lost one's temper to collection solar or lunar halo, the air current passes through muffler parts can make air flow rate reduce to effectively the noise reduction can also reduce the temperature rise.

Description

The determining impeller assembly and there is its dust catcher of motor

Technical field

The utility model relates to household electrical appliance technical field, particularly relates to determining impeller assembly and having its suction of a kind of motor Dirt device.

Background technology

Figure 12 and Figure 13 is the schematic diagram determining impeller assembly in correlation technique, and the series excited machine used by dust catcher is due to its rotating speed Height, noise problem is constantly subjected to denounce, to this end, reduce noise frequently with various acoustic element and fan housing in dust catcher. But, on hand-held and push rod dust catcher, owing to the volume of motor is little, there is no again fan housing structure so that motor can Relatively low by property, temperature rise, and also because air channel is exposed, noise is the highest so that the noise reduction of motor is the most increasingly difficult.

It addition, correlation technique determine in impeller assembly, the opening part radian determining impeller is bigger than normal, and air channel is gradually broadened by narrow, Overall arc length is the shortest, and noise is bigger than normal.

Utility model content

One of technical problem that the utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new Type first aspect is to propose the impeller assembly of determining of a kind of motor, and the noise determining impeller assembly of described motor reduces.

The utility model second aspect is to propose a kind of dust catcher, and what described dust catcher was provided with above-mentioned motor determines impeller assembly.

Motor according to the utility model first aspect embodiment determine impeller assembly, including: chassis, blade, collection solar or lunar halo and Acoustic element.Described blade is located on described chassis, described blade include along described chassis circumferentially-spaced layout ringwise Multiple, and described blade tiltedly extends along the circumference inwardly rolling on described chassis；Described acoustic element is sealed on multiple institute State on blade, and described acoustic element coordinates formation air channel between two the most adjacent described blades with described chassis；Institute State collection solar or lunar halo be connected with described chassis and compress described acoustic element.

Motor according to the utility model embodiment determine impeller assembly, by determine impeller with collection solar or lunar halo junction set Put location convex tendon can ensure that determine impeller and collection solar or lunar halo between there is sufficient adhesion, such that it is able to save de-correlation technique In welding sequence, reduce cost.It addition, collection solar or lunar halo can make in air flow collection, air-flow can make sky by acoustic element Gas velocity reduces, such that it is able to effectively reduce noise, it is also possible to reduce temperature rise.

It addition, according to the impeller assembly of determining of the motor of the utility model above-described embodiment, can also to have following additional technology special Levy:

According to an embodiment of the present utility model, described chassis is provided with location convex tendon, described collection solar or lunar halo and described convex Muscle engages.

Further, described location convex tendon includes being positioned at multiple described blade inner side the circumferentially-spaced layout along described chassis Multiple, the inner edge of described collection solar or lunar halo is formed with the locating notch corresponding with multiple described location convex tendon, described location convex tendon With corresponding described locating notch engaging.

Further, described location convex tendon and described locating notch interference fit.

Alternatively, described location convex tendon includes two be arranged symmetrically with about the RADIAL on described chassis.

Alternatively, described location convex tendon includes: body, and described body is located on described chassis and prolongs towards described collection solar or lunar halo Stretching, the medial surface of described body is provided with the arched ribs being connected with described chassis, and the end face of described body be provided with The location division of described locating notch engaging.

According to an embodiment of the present utility model, the bottom surface of the entrance point in described air channel is in the extension that is inclined upwardly along air intake direction.

According to an embodiment of the present utility model, the interval, outer end of multiple described blades is arranged on predetermined circumference, multiple Described blade extends in the same direction along described circumference and tilts towards described inside circumference, the angle between described blade and described circumference In the range of 3 ° to 30 °, described blade radius of curvature everywhere is not less than 3/4ths of the radius of curvature of described circumference, And the length of described blade is not less than the radius of described circumference.

According to an embodiment of the present utility model, described determine impeller assembly and also include annular wheel hub, described annular wheel hub cincture Multiple described blades are also connected with multiple described blades respectively.

According to an embodiment of the present utility model, described collection solar or lunar halo includes annular connecting portion and annular wind collecting section, described ring Shape wind collecting section is connected with the inner edge of described annular connecting portion and tilts to extend away from the described direction determining impeller to introversion, Described annular connecting portion compresses described acoustic element.

According to an embodiment of the present utility model, impeller extension and ringwise determine towards described along being provided with in the periphery of described collection solar or lunar halo Location flange, described location flange is set in the outside of described acoustic element.

According to an embodiment of the present utility model, on described collection solar or lunar halo, the surface relative with the plurality of blade is provided with Circumference rib and radial ribs, circumferentially extending along described collection solar or lunar halo of described circumference rib, described radial ribs includes edge Described annular connecting portion circumferentially spaced multiple are also connected with described circumference rib.

According to an embodiment of the present utility model, the inner edge of described collection solar or lunar halo is formed with the turn-up portion of annular.

According to an embodiment of the present utility model, described acoustic element is noise reduction sponge.

According to the dust catcher of the utility model second aspect embodiment, including: fan housing, movable vane wheel, determine impeller assembly and electricity Machine, described fan housing is provided with inlet scoop；Described movable vane wheel is rotatably provided in described fan housing；Described determine impeller assembly and be located at In described fan housing and be positioned at the downstream of described movable vane wheel, described movable impeller component be motor described above determine impeller assembly； Described motor is located in described fan housing, and the output shaft of described motor determine impeller assembly and described movable vane and is taken turns through described and be connected.

Accompanying drawing explanation

Fig. 1 is the schematic diagram determining impeller assembly of the motor of the utility model embodiment.

Fig. 2 is a sectional view of Fig. 1.

Fig. 3 is the schematic diagram determining to determine in impeller assembly impeller of the motor of the utility model embodiment.

Fig. 4 is another schematic diagram determining to determine in impeller assembly impeller of the motor of the utility model embodiment.

Fig. 5 is the sectional view in Fig. 4 at A.

Fig. 6 is the schematic diagram determining to collect in impeller assembly solar or lunar halo of the motor of the utility model embodiment.

Fig. 7 is another schematic diagram determining to collect in impeller assembly solar or lunar halo of the motor of the utility model embodiment.

Fig. 8 be the motor of the utility model embodiment determine the schematic diagram of acoustic element in impeller assembly.

Fig. 9 is the schematic diagram of the dust catcher of the utility model embodiment.

Figure 10 is a sectional view of Fig. 9.

Figure 11 is the profile in Fig. 4 at B-B.

Figure 12 is the schematic diagram determining impeller assembly of motor in prior art.

Figure 13 is the profile in Figure 12 at C-C.

Reference:

Determine impeller assembly 100, determine impeller 11, chassis 111, blade 112, position convex tendon 113, body 1131, arc Muscle 1132, location division 1133, annular wheel hub 114, position hole 115, projection 116, groove 117, collect solar or lunar halo 12, fixed Position breach 121, breach 1211, annular connecting portion 122, annular wind collecting section 123, location flange 124, circumference rib 125, Radial ribs 126, turn-up portion 127, the first muscle portion 128, the second muscle portion 129, acoustic element 13, through hole 131, installing hole 132, dust catcher 200, fan housing 21, inlet scoop 211, movable vane wheel 22, motor 23, output shaft 231.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, it is intended to be used for explaining the utility model, and it is not intended that to this practicality Novel restriction.

Describe in detail below in conjunction with Fig. 1 to Figure 11 and determine impeller assembly 100 according to the motor of the utility model embodiment.

See figures.1.and.2, determine impeller assembly 100 according to the motor of the utility model embodiment, including: determine impeller 11, Collection solar or lunar halo 12 and acoustic element 13.

Specifically, with reference to Fig. 3 and Fig. 4, determine impeller 11 and can include chassis 111 and multiple blade 112, multiple Blade 112 is located on chassis 111, and multiple blade 112 can be spaced on chassis 111 along the circumference on chassis 111 Arrange ringwise.Blade 112 can the peripheral, oblique with ecto-entad and along chassis 111 extend, with reference to Fig. 4, blade 112 extend along clockwise direction, and blade 112 gradually slopes inwardly when extending along clockwise direction.Multiple blades 112 can extend on chassis 111 in the same direction.Thus, beneficially wind collection neutralize flowing.Here, it should be noted that Wherein the direction towards this annular center is inner side, and the direction facing away from this annular center is outside, in other words The side of the center line on neighbouring chassis 111 is " interior ", and the side away from the center line on chassis 111 is " outward ".

It addition, the bottom center on chassis 111 is also provided with the hole, location 115 being suitable to be connected with motor.

The blade 112 determining impeller 11 can the peripheral, oblique with ecto-entad and along chassis 111 extend, further, fixed Impeller 11 can reduce noise by the design of narrow air channel and linear leaf, it is possible to less affects efficiency.

With reference to Fig. 4 and Figure 11, determine impeller 11 and reduce air inlet width, compensate air quantity, blade by the design of cutting 112 use long arc length, the design of narrow radian, effectively inhibit wind speed, reduce noise, thus overcome in correlation technique Determine the problem that impeller assembly noise is big.

With reference to Fig. 6 to Fig. 8, acoustic element 13 can be sealed on above multiple blade 112, it addition, acoustic element 13 and the end Dish 111 coordinates and limits air channel between two the most adjacent blades 112, say, that acoustic element 13, chassis 111 And limit air channel between two adjacent blades 112.

It addition, with reference to Fig. 9 and combine Fig. 2, acoustic element 13 can be located at collection solar or lunar halo 12 and determine between impeller 11, have For body, acoustic element 13 can be located between collection solar or lunar halo 12 and multiple blade 112.Airflow passes acoustic element 13 is permissible Air velocity is made to reduce, thus, it is possible to reduce noise to a certain extent.

Can also be connected with chassis 111 by collection solar or lunar halo 12 and compress acoustic element 13.Air-flow can be made by collection solar or lunar halo 12 More concentrate.

Motor according to the utility model embodiment determine impeller assembly 100, by determining impeller 11 and collection solar or lunar halo 12 Junction arrange location convex tendon 113 can ensure that determine impeller 11 and collection solar or lunar halo 12 between there is sufficient adhesion, from And the welding sequence in de-correlation technique can be saved, reduce cost.It addition, collection solar or lunar halo 12 can make in air flow collection, gas Stream can make air velocity reduce by acoustic element 13, such that it is able to effectively reduce noise, it is also possible to reduces temperature rise.

With reference to Fig. 3 and combine Fig. 2, chassis 111 can be provided with location convex tendon 113, collection solar or lunar halo 12 can be with location convex tendon 113 engagings.Determine on impeller 11 thus, it is possible to reliably collection solar or lunar halo 12 is arranged on, it is also possible to reduce operation and such as weld Deng, such that it is able to reduce cost.

It addition, by arranging location convex tendon 113 and can ensure that and determine impeller determining impeller 11 junction with collection solar or lunar halo 12 Having sufficient adhesion between 11 and collection solar or lunar halo 12, shape and the tolerance design of collection solar or lunar halo 12 should ensure that putting of stator The axially combined power entered and assemble.

It addition, in other embodiments of the present utility model, determining impeller 11 can also be by other connection with collection solar or lunar halo 12 The modes such as mode such as screw connection are attached.The utility model is not made determining the impeller 11 connected mode with collection solar or lunar halo 12 Concrete restriction, can adaptability select in actual application as required.

With reference to Fig. 3 and combine Fig. 1, location convex tendon 113 can be located on chassis 111 and may be located at multiple blade 112 Inner side (such as, the side of the center line on neighbouring chassis 111 in Fig. 3), and location convex tendon 113 can include along chassis 111 Circumferentially spaced multiple, collection solar or lunar halo 12 inner edge could be formed with the location corresponding with multiple location convex tendon 113 lack Mouth 121, location convex tendon 113 can fasten in the locating notch 121 of correspondence.Thus, it is possible to solar or lunar halo 12 will be collected reliably It is arranged on and determines on impeller 11.

Further, location convex tendon 113 can be with interference fit with locating notch 121.Thus, it is possible to improve the reliable of location Property.

It addition, on the premise of not affecting assembly reliability, location convex tendon 113 can also use transition with locating notch 121 Coordinate or small-gap suture coordinates.

Alternatively, as it is shown on figure 3, location convex tendon 113 can include two be arranged symmetrically with about the RADIAL on chassis 111. Thus, it is possible to force balance so that collection solar or lunar halo 12 is more stable in the location determined on impeller 11.

It addition, with reference to Fig. 3, chassis 111 can be provided with protruding 116, protruding 116 can be with location convex tendon 113 phase Even.

Alternatively, with reference to Fig. 3 and combine Fig. 1 and Fig. 2, location convex tendon 113 can include body 1131, body Portion 1131 can be located on chassis 111 and can extend towards collection solar or lunar halo 12, and the medial surface of body 1131 is (such as, In Fig. 3, body 1131 is adjacent to the side of the center line on chassis 111) on can be provided with the arc being connected with chassis 111 The location division 1133 engaged with locating notch 121 can be provided with on muscle 1132, and the end face of body 1131.Thus, Collection solar or lunar halo 12 can be reliably mounted on and determine on impeller 11.

Wherein, arched ribs 1132, location division 1133 and body 1131 can weld or one-body molded.Thus, may be used With while guaranteeing assembly reliability, simplified processing process, reduce cost.

Alternatively, the bottom surface of the entrance point in air channel can be in the extension that is inclined upwardly along air intake direction.So be conducive to making wind direction wind Concentrate in road, such that it is able to slow down wind speed to a certain extent, reduce the purpose of noise.

According to an embodiment of the present utility model, in conjunction with Fig. 3 and Fig. 4, the outer end of multiple blades 112 can be spaced and be arranged in On predetermined circumference, multiple blades 112 extend the most in the same direction and towards inside circumference (such as, in Fig. 3 or Fig. 4 neighbouring Determine the side of the center line of impeller 11) tilt, the angle between blade 112 and circumference can in the range of 3 ° to 30 °, The such as angle between blade and circumference is 3 °, 5 °, 10 °, 20 °, 30 degree etc..Such that it is able to form longer air channel And space availability ratio is high.

Further, blade 112 radius of curvature everywhere is not less than 3/4ths of the radius of curvature of circumference, such as, blade 112 radius of curvature everywhere are the 3/4 of radius of curvature of circumference, 1,1.5,2 times etc..Reduce blade 112 further to account for Space, and extend air channel length.

Preferably, the length of blade 112 is not less than the radius of circumference.Such as, in embodiments more of the present utility model, The length of blade 112 can be radius of a circle.Certainly, in other embodiments of the present utility model, the length of blade 112 Can be 1.5 times of radius of circumference, 2 times etc., the setting of the length of blade 112 is to be conducive to reducing wind speed, and reduction is made an uproar Sound is advisable.

It addition, the above-mentioned description to blade shape and size is only that specific embodiments more of the present utility model are not to this practicality The restriction of novel protected scope.

As shown in Figure 3 and Figure 4, determining impeller 11 and can also include annular wheel hub 114, annular wheel hub 114 can be with chassis 111 It is connected and can be connected with multiple blades 112 respectively.Thus, it is easy to the concentration of wind and noise can be reduced to a certain extent.

It addition, annular wheel hub 114 can be arranged around multiple blades 112, thus leaf can be improved by annular wheel hub 114 The structural strength of sheet 112.

Preferably, annular wheel hub 114 is arranged spaced apart with chassis 111, further, and annular wheel hub 114 and blade 112 Upper edge flush.Determine impeller 11 and can reduce noise by the design of narrow air channel and linear leaf, it is possible to less affect Efficiency.

It addition, with reference to Fig. 4 to Fig. 6, the periphery of annular wheel hub 114 can be evenly arranged multiple groove 117, multiple Groove 117 can be generally formed into rectangular shape, and the height of multiple grooves 117 can be more than the thickness on chassis 111. The breach 1211 (with reference to Fig. 6) corresponding with groove 117 can be provided with, thus, it is easy to solar or lunar halo will be collected on collection solar or lunar halo 12 12 are reliably mounted on and determine on impeller 11.

With reference to Fig. 6 and combine Fig. 1 and Fig. 2, collection solar or lunar halo 12 can include annular connecting portion 122 and annular wind collecting section 123. Annular wind collecting section 123 can be connected with the inner edge of annular connecting portion 122 and can be to introversion away from the side determining impeller 11 To tilting to extend, annular connecting portion 122 can be sealed on the above of multiple blade 112 and compress acoustic element 13.Thus, So that the wind entering collection solar or lunar halo 12 through determining impeller 11 can be concentrated to annular wind collecting section 123, such that it is able to one Determine to reduce in degree noise.

With reference to Fig. 7 and Fig. 8 and combine Fig. 2, week of collection solar or lunar halo 12 extends and ringwise towards determining impeller 11 along can be provided with Location flange 124, location flange 124 can be set in the outside of acoustic element 13 (such as, away from chassis 111 in Fig. 2 The side of center line).Thus, it is possible to it is relatively reliable in the location determined on impeller 11 to make to collect solar or lunar halo 12, it is also possible to Annular connecting portion 122 preferably can be fitted, such that it is able to improve collection solar or lunar halo 12 and determine impeller with multiple blades 112 Sealing property between 11, is more beneficial for the concentration of wind, provides advantage for reducing noise further.

As it is shown in fig. 7, can be provided with on the surface relative with multiple blades 112 on collection solar or lunar halo 12 circumference rib 125 and Radial ribs 126, circumference rib 125 can be along collecting the circumferentially extending of solar or lunar halo 12, and radial ribs 126 can be with circumference Rib 125 is connected, and radial ribs 126 can include the circumferentially spaced multiple of annularly connecting portion 122. Thus, it is possible to improve the intensity of collection solar or lunar halo 12 to a certain extent so that the structure of collection solar or lunar halo 12 is more firm.

It addition, radial ribs 126 can also connect together with aforesaid location flange 124.

With reference to Fig. 6, the inner edge of collection solar or lunar halo 12 could be formed with the turn-up portion 127 of annular.Thus, by the flange of annular Wind can be guided by portion 127, thus is more beneficial for the concentration of wind.

Wherein, with reference to Fig. 6, the inner side of collection solar or lunar halo 12 can be provided with multiple first muscle portion 128 and multiple second muscle portion 129, Multiple first muscle portions 128 and multiple second muscle portion 129 can be arranged spaced apart, and the width in multiple first muscle portions 128 can Width with the most multiple second muscle portions 129.Multiple first muscle portions 128 and multiple second muscle portion 129 are connected to form Described turn-up portion 127 ringwise.

Alternatively, acoustic element 13 can be noise reduction sponge.Thus, air-flow can suitably be slowed down by the speed of noise reduction sponge, Such that it is able to reduction noise.

Certainly, acoustic element 13 can also be other materials such as mineral wool etc..The utility model is to the form of acoustic element 13 not Make concrete restriction, actual application can adaptability select as required.

Wherein, with reference to Fig. 9 and combine Fig. 1 and Fig. 2, acoustic element 13 can be in disk form, and the center of acoustic element 13 can set Having through hole 131, the radial direction along acoustic element 13 is also provided with multiple installing hole 132, and multiple installing holes 132 can divide Be not located at the both sides of through hole 131, multiple installing holes 132 can about through hole 131 be arranged symmetrically on acoustic element 13 for It is connected with multiple location convex tendon 113.Thus, it is possible to acoustic element 13 is reliably mounted on determine impeller 11 and collection solar or lunar halo 12 it Between.

It should be noted that acoustic element 13 and the fit clearance determining impeller 11 should be less, the material of acoustic element 13 is wanted Consider gas permeability and anti-flammability.Thus, it is possible to make motor determine impeller assembly 100 use during safer.

Motor according to the utility model embodiment determine impeller assembly 100, by computer sim-ulation, to determining impeller 11 The size of radian and inlet scoop 211 redesigns, and can reach certain noise reduction.

What is more important, is more beneficial for making in air flow collection determining increase collection solar or lunar halo 12 on impeller 11 so that air-flow is not Overflow from the air outlet determining impeller 11, but concentrate on rotor air gap and discharge, such that it is able to play noise reduction and reduce temperature The double effects risen.

More further, collecting solar or lunar halo 12 and determining to add between impeller 11 acoustic element 13, air-flow will all pass through noise reduction Part 13, so so that air velocity reduces, further noise reduction.Can also be plus one at electric machine support air outlet Individual easy motor cover, such noise reduction can become apparent from, but in view of complete machine spacial influence, can be by complete machine Internal wall lengthens and reaches similar effect.

The mounting means determining impeller assembly 100 of the motor according to the utility model embodiment is: radial through determining impeller 11 arrange location convex tendon 113 with collection solar or lunar halo 12 junction reaches fixing, and will collect solar or lunar halo 12 with fixed axially through design The locating surface design of impeller 11 flushes, and reaches fixing by the pressure of stator core.Eliminate in correlation technique is ultrasonic The operation that wave soldering connects, can be cost-effective while ensureing reliability of positioning.

With reference to Fig. 9 and Figure 10, according to the dust catcher 200 of the utility model second aspect embodiment, including: fan housing 21, Movable vane is taken turns 22, is determined impeller assembly and motor 23.

Specifically, as shown in Figure 10, fan housing 21 can be provided with inlet scoop 211, movable vane wheel 22 is rotatably provided in In fan housing 21.Determining in impeller assembly can be located at fan housing 21 and be positioned at the downstream of movable vane wheel 22, movable impeller component can be upper The motor stated determine impeller assembly 100.Motor 23 can be located in fan housing 21, and the output shaft 231 of motor 23 can be worn Cross and determine impeller assembly 100 and movable vane wheel 22 and be connected.

Here, it is positioned at the downstream of movable vane wheel 22 refers on air-flow direction it should be noted that determine impeller assembly, empty Gas first flows through movable vane wheel 22, passes through afterwards and determines impeller assembly 100.

Wherein, with reference to Figure 10, the top of motor 23 can also be formed with air outlet, can be provided with motor cover at air outlet.Dynamic Impeller 22 can be connected with determining impeller 11 and movable vane wheel 22 can be located at and determine the bottom of impeller 11 and (such as, determine leaf in Figure 10 The bottom of wheel 11).

It addition, motor 23 can also include stator, rotor and blower fan.Negative pressure, air-flow can be produced when motor 23 rotates Movable vane wheel 22 can be entered from inlet scoop 211, air-flow can be thrown away through determining impeller by the rotation of movable vane wheel 22 11, finally from determining spilling impeller 11 and stator and rotor airgap.

Above-mentioned motor 23 is because simple in construction, and volume is little, rotating speed is high, is widely used in hand-held and push-down dust suction In device.Thus, it is possible to the noise of motor 23 is greatly lowered, it is also possible to improve the functional reliability of stent-type motor.

It addition, determine impeller assembly 100 according to the motor of the utility model embodiment so that the noise of motor 23 can be from (wherein, dB i.e. decibel, for the standard measure of quantity of noise, what (A) represented is to measure (calculating) to 103db (A) A level weighted is used the when of NF) it is reduced to 92db (A) below.

Dust catcher 200 according to the utility model embodiment, determines impeller by arrange the motor of above-mentioned first aspect embodiment Assembly 100 so that the noise of complete machine can be reduced to 82db (A) by 88db (A), and whole aircraft reliability is promoted, Life-span can be extended to more than 300h by 250h.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " The orientation of the instruction such as " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " or position relationship For based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than refer to Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example Such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area For those of ordinary skill, above-mentioned term concrete meaning in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " 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, Fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature Or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first Levy level height less than second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting, Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example Levy and be combined and combine.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of the utility model Above-described embodiment be changed, revise, to replace and modification.

Claims (15)

1. a motor determine impeller assembly, it is characterised in that including:

Chassis；

Blade, described blade is located on described chassis, and described blade includes that the circumferentially-spaced layout along described chassis is ring Shape multiple, and described blade tiltedly extends along the circumference inwardly rolling on described chassis；

Acoustic element, described acoustic element is sealed on multiple described blade, and described acoustic element coordinates often with described chassis Air channel is formed between two adjacent described blades；

Collection solar or lunar halo, described collection solar or lunar halo is connected with described chassis and compresses described acoustic element.

Motor the most according to claim 1 determine impeller assembly, it is characterised in that described chassis is provided with convex Muscle, described collection solar or lunar halo engages with described location convex tendon.

Motor the most according to claim 2 determine impeller assembly, it is characterised in that described location convex tendon includes being positioned at The inner side of multiple described blades circumferentially spaced multiple along described chassis, the inner edge of described collection solar or lunar halo be formed with The locating notch that multiple described location convex tendon is corresponding, described location convex tendon engages with corresponding described locating notch.

Motor the most according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon is fixed with described Position breach interference fit.

Motor the most according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon include about Be arranged symmetrically with two of the RADIAL on described chassis.

Motor the most according to claim 3 determine impeller assembly, it is characterised in that described location convex tendon includes:

Body, described body is located on described chassis and extends towards described collection solar or lunar halo, the medial surface of described body sets There is the arched ribs being connected with described chassis, and the end face of described body is provided with the location engaged with described locating notch Portion.

Motor the most according to claim 1 determine impeller assembly, it is characterised in that the bottom surface of the entrance point in described air channel In the extension that is inclined upwardly along air intake direction.

Motor the most according to claim 1 determine impeller assembly, it is characterised in that interval, the outer end of multiple described blades Being arranged on predetermined circumference, multiple described blades extend in the same direction along described circumference and tilt towards described inside circumference, described Angle between blade and described circumference is in the range of 3 ° to 30 °, and described blade radius of curvature everywhere is not less than described 3/4ths of the radius of curvature of circumference, and the length of described blade is not less than the radius of described circumference.

Motor the most according to claim 1 determine impeller assembly, it is characterised in that described determine impeller assembly and also include ring Shape wheel hub, described annular wheel hub around multiple described blades and is connected with multiple described blades respectively.

Motor the most according to claim 1 determine impeller assembly, it is characterised in that described collection solar or lunar halo includes annular even Connecing portion and annular wind collecting section, described annular wind collecting section is connected and to introversion away from institute with the inner edge of described annular connecting portion Stating the direction inclination extension determining impeller, described annular connecting portion compresses described acoustic element.

11. motors according to claim 1 determine impeller assembly, it is characterised in that the periphery of described collection solar or lunar halo is along setting Having and determine impeller extension and location flange ringwise towards described, described location flange is set in the outside of described acoustic element.

12. motors according to claim 1 determine impeller assembly, it is characterised in that set on the surface of described collection solar or lunar halo Having circumferential rib and a radial ribs, circumferentially extending along described collection solar or lunar halo of described circumference rib, described radial ribs includes It is connected along the circumferentially spaced multiple of described annular connecting portion and with described circumference rib.

13. motors according to claim 1 determine impeller assembly, it is characterised in that the inner edge shape of described collection solar or lunar halo Become the turn-up portion having annular.

14. motors according to claim 1 determine impeller assembly, it is characterised in that described acoustic element is noise reduction sponge.

15. 1 kinds of dust catchers, it is characterised in that including:

Fan housing, described fan housing is provided with inlet scoop；

Movable vane is taken turns, and described movable vane wheel is rotatably provided in described fan housing；

Determining impeller assembly, the described downstream determined in impeller assembly is located at described fan housing and be positioned at described movable vane wheel, described movable vane is taken turns Assembly is to determine impeller assembly according to the motor according to any one of claim 1-14；

Motor, described motor is located in described fan housing, and the output shaft of described motor through described determine impeller assembly with described move Impeller is connected.