CN109340187A - Impeller, blower and dust catcher are determined for dust catcher - Google Patents
Impeller, blower and dust catcher are determined for dust catcher Download PDFInfo
- Publication number
- CN109340187A CN109340187A CN201811168692.5A CN201811168692A CN109340187A CN 109340187 A CN109340187 A CN 109340187A CN 201811168692 A CN201811168692 A CN 201811168692A CN 109340187 A CN109340187 A CN 109340187A
- Authority
- CN
- China
- Prior art keywords
- wheel body
- dust catcher
- impeller
- diversion division
- wheel
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
Abstract
Impeller, blower and dust catcher are determined for dust catcher the invention discloses a kind of.The impeller of determining for dust catcher includes: wheel body, and the wheel body has the centre bore for penetrating through end face thereon;Multiple blades, multiple upper leaf pieces are connected respectively with the wheel body and being provided at circumferentially spaced along the wheel body, each upper leaf piece has the diversion division along the upper surface for axially extending upward the wheel body of the wheel body, the diversion division extends along the circumferential inclination upwards of the wheel body, limits air inlet between two neighboring upper leaf piece;Multiple lower blades, multiple lower blades are located at the lower end surface of the wheel body and being provided at circumferentially spaced along the wheel body, limit the outlet air runner being connected to the air inlet between the two neighboring lower blade.It is according to the present invention to determine impeller for dust catcher, can have the advantages that while realizing compact design efficient.
Description
Technical field
The present invention relates to cleaner technology fields, determine impeller, with described for dust catcher in particular to a kind of
For dust catcher determine impeller for the blower of dust catcher and the dust catcher with the blower for dust catcher.
Background technique
Dust catcher in the related technology generallys use two kinds of forms with centrifugal fan, a kind of blade making to determine impeller with
The air duct that fan housing is formed has the trend being radially gradually expanded, that is, blade is designed as diffusion piece;Another blower fan structure
Impeller is determined using plate, eliminates blade, that is, eliminates diffusion piece.
But the impeller of determining with diffusion piece fundamentally cannot be used blower outer diameter and the dynamic lesser occasion of impeller outer diameter ratio,
Without diffusion piece determine impeller again efficiency it is lower.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use
In the impeller of determining of dust catcher, it is described for dust catcher determine impeller have many advantages, such as it is compact-sized, applied widely, high-efficient.
The present invention also proposes a kind of with the blower for dust catcher for determining impeller for dust catcher.
The present invention also proposes a kind of dust catcher with the blower for dust catcher.
Embodiment determines impeller for dust catcher according to a first aspect of the present invention, comprising: wheel body, the wheel body, which has, to be passed through
The centre bore of logical end face thereon;Multiple blades, multiple upper leaf pieces are connected with the wheel body respectively and along the wheel bodys
It is provided at circumferentially spaced, each upper leaf piece has the water conservancy diversion along the upper surface for axially extending upward the wheel body of the wheel body
Portion, the diversion division extend along the circumferential inclination upwards of the wheel body, limit air inlet between two neighboring upper leaf piece;
Multiple lower blades, multiple lower blades are located at the lower end surface of the wheel body and being provided at circumferentially spaced along the wheel body, adjacent
The outlet air runner being connected to the air inlet is limited between two lower blades.
It is according to an embodiment of the present invention to determine impeller for dust catcher, using diversion division as described above, can not only use
It is applied widely in blower outer diameter and the dynamic lesser occasion of impeller outer diameter ratio, and air-flow can be effectively reduced and determining impeller
The invalid rotation of upper space reduces energy loss, to improve efficiency.
In addition, according to an embodiment of the present invention determine impeller also and have following additional technical characteristic for dust catcher:
According to some embodiments of the present invention, upper leaf piece has mounting portion, and the mounting portion is located at the wheel body
Periphery, the first end of the diversion division is connected with the mounting portion and at least part of second end is located at the upper end of the wheel body
Above face.
Further, in the axial perspective plane perpendicular to the wheel body, at least part of the diversion division is located at
The outside of the wheel body.
Optionally, the wheel body radially, the diversion division ecto-entad and tilt down extension.
Advantageously, the diversion division reduces from the bottom to top in the width radially of the wheel body.
Further, in the axial perspective plane perpendicular to the wheel body, three be projected as substantially of the diversion division
It is angular or trapezoidal.
In some embodiments of the invention, in the axial perspective plane perpendicular to the wheel body, the water conservancy diversion
The rectangle being projected as substantially in portion.
According to some embodiments of the present invention, the diversion division is located at the upper surface of the wheel body, and the diversion division is in institute
State wheel body radially further ecto-entad and tilting down extend to the upper surface of the wheel body with formed block it is described
The windshied part of air inlet.
Advantageously, the windshied part is configured to the radially inwardly projecting arc along the wheel body.
According to some embodiments of the present invention, the diversion division be configured to linear, arc protruding upward and downwards
One of arc of recess or a variety of combinations.
According to some embodiments of the present invention, described to determine impeller for dust catcher further include: wind loop, the wind loop
Around the wheel body be arranged, the wind loop along the wheel body the upper surface for axially extending upward the wheel body and with multiple institutes
The diversion division for stating blade is respectively connected with.
The blower for dust catcher of embodiment according to a second aspect of the present invention, comprising: real according to a first aspect of the present invention
It applies and determines impeller for dust catcher described in example;Fan housing, the fan housing, which is fastened on, described to be determined on impeller and determines impeller limit with described
Determine air-out chamber;Driving device, the driving device have main shaft, and the main shaft penetrates rotatably centre bore driving movable vane wheel;
Movable vane wheel, the movable vane wheel are connect with the spindle drive, and the movable vane wheel is located above the upper surface of the wheel body and is located at
In the wind chamber, the opening direction of the air inlet is opposite with the direction of rotation of the movable vane wheel.
Blower according to an embodiment of the present invention for dust catcher determines impeller for dust catcher using as described above,
It is designed conducive to realization miniature compact, and efficiency with higher.
The dust catcher of embodiment according to a third aspect of the present invention, including use described in embodiment according to a second aspect of the present invention
In the blower of dust catcher.
Dust catcher according to an embodiment of the present invention is conducive to realize small-sized using the blower as described above for being used for dust catcher
Change, is efficient.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the perspective view according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 2 is the perspective view according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 3 is the perspective view according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 4 is the structural schematic diagram according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 5 is the structural schematic diagram according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 6 is the cross-sectional view according to an embodiment of the present invention that determine impeller for dust catcher;
Fig. 7 is the perspective view for determining impeller for dust catcher of the first alternative embodiment according to the present invention;
Fig. 8 is the structural schematic diagram for determining impeller for dust catcher of the first alternative embodiment according to the present invention;
Fig. 9 is the structural schematic diagram for determining impeller for dust catcher of the first alternative embodiment according to the present invention;
The perspective view for determining impeller for dust catcher of Figure 10 the second alternative embodiment according to the present invention;
Figure 11 is the structural schematic diagram for determining impeller for dust catcher of the second alternative embodiment according to the present invention;
Figure 12 is the structural schematic diagram for determining impeller for dust catcher of the second alternative embodiment according to the present invention;
Figure 13 is the perspective view of the blower according to an embodiment of the present invention for dust catcher;
Figure 14 is the cross-sectional view of the blower according to an embodiment of the present invention for dust catcher;
Figure 15 is the structural schematic diagram of the blower according to an embodiment of the present invention for dust catcher;
Figure 16 is the structural schematic diagram for determining impeller for dust catcher of third alternative embodiment according to the present invention;
Figure 17 is the structural schematic diagram for determining impeller for dust catcher of third alternative embodiment according to the present invention;
Figure 18 is the structural schematic diagram for determining impeller for dust catcher of the 4th alternative embodiment according to the present invention;
Figure 19 is the structural schematic diagram for determining impeller for dust catcher of the 4th alternative embodiment according to the present invention;
Figure 20 is the structural schematic diagram for determining impeller for dust catcher of the 5th alternative embodiment according to the present invention;
Figure 21 is the structural schematic diagram for determining impeller for dust catcher of the 5th alternative embodiment according to the present invention.
Appended drawing reference:
For dust catcher blower 1,
For dust catcher determine impeller 10, air inlet 11, outlet air runner 12, wheel body 100, centre bore 101, blade 200,
Diversion division 210, windshied part 211, mounting portion 220, lower blade 300, wind loop 400,
Fan housing 20, movable vane wheel 30, bracket 40, casing 50, motor main shaft 60.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The application makes the discovery of following facts and problem and understanding based on inventor:
Dust catcher centrifugal fan in the related technology, driven by the motor, movable vane wheel high speed rotation, in movable vane wheel
Portion's air is radially thrown away under the influence of centrifugal force.Specifically, on the one hand, dynamic impeller internal forms negative pressure, outside air from
Air intake endlessly flows into movable vane wheel;On the other hand, the high-speed flow that passive impeller is thrown away is via the upper leaf for determining impeller
The air duct of piece and fan housing composition enters lateral space, finally enters motor part discharge by lower blade.
Blower generallys use two kinds of forms, the air duct that a kind of blade for making to determine impeller and fan housing are formed have radially by
Gradually widened trend, that is, blade is designed as diffusion piece, the presence of diffusion piece makes gas flow increasing, is formed negative
Pressure, is conducive to movable vane wheel outlet air, efficiency is higher.
But impeller is determined due to the presence of diffusion piece, it is usually applicable only to the biggish occasion of blower outer diameter.And in view of can
By property and manufacturability, in order to avoid revolving speed is excessively high, the outer diameter of movable vane wheel is unsuitable too small.In blower outer diameter and dynamic impeller outer diameter
Under dual limitation, the space for leaving diffusion piece for is extremely limited, generally can not obtain good effect.Therefore, determine with diffusion piece
Impeller fundamentally cannot be used blower outer diameter and the dynamic lesser occasion of impeller outer diameter ratio.
Another blower fan structure determines impeller using plate, eliminates blade, that is, eliminates diffusion piece, movable vane wheel is thrown away
High-speed gas blade in the case where determining to enter after deflecting through the air inlet by determining impeller above impeller, finally enters back into motor part row
Out.
This structure can use under the dual limitation of lesser blower outer diameter and biggish dynamic impeller outer diameter, Ke Yishe
Count out compact blower.However, due to there is no a diffusion piece, the air outlet of movable vane wheel, the upper surface for determining impeller, fan housing inner surface
A complete annular space is formed, high-speed flow can persistently rotate in this space and generate vortex, and energy loss is larger, thus
Efficiency is lower.
For this purpose, the present invention proposes a kind of compact-sized, applied widely, high-efficient to determine impeller 10 for dust catcher.
The present invention also proposes a kind of with the blower 1 and tool for dust catcher for determining impeller 10 for dust catcher
There is the dust catcher of the blower 1 for dust catcher.
Below with reference to the accompanying drawings describe embodiment according to a first aspect of the present invention determines impeller 10 for dust catcher.
It is according to an embodiment of the present invention to determine impeller 10 for dust catcher as shown in Fig. 1-Figure 21, comprising: wheel body 100, more
A blade 200 and multiple lower blades 300.
Specifically, wheel body 100 has the centre bore 101 for penetrating through end face thereon, centre bore 101 is advantageously implemented movable vane wheel
With the connection of driving device main shaft, movable vane wheel is located above the upper surface of wheel body 100.Multiple blades 200 respectively with wheel body 100
It is connected, and being provided at circumferentially spaced along wheel body 100 of multiple blades 200, each blade 200 has the axial direction along wheel body 100
The diversion division 210 of the upper surface of wheel body 100 is stretched out upwards.
Here, multiple being provided at circumferentially spaced along wheel body 100 of blade 200 include that two neighboring blade 200 is hanging down
Directly in the projection section in the axial perspective plane of wheel body 100 is overlapped the case where.It is appreciated that diversion division 210 exceeds wheel body 100
Height and assembly after movable vane wheel top edge be adapted.
Wherein, diversion division 210 extends along the circumferential inclination upwards of wheel body 100.That is, diversion division 210 is along wheel body 100
Circumferentially extending, and at least part of diversion division 210 is located above the upper surface of wheel body 100.Two neighboring blade 200 it
Between limit air inlet 11.
Multiple lower blades 300 are located at the lower end surface of wheel body 100, and multiple lower blades 300 are set along the circumferentially-spaced of wheel body 100
It sets, limits the outlet air runner 12 being connected to air inlet 11 between two neighboring lower blade 300.
It is according to an embodiment of the present invention as a result, to determine impeller 10 for dust catcher, due to there is the diversion division of blade 200
210 presence, so that air-flow is easier to be directed to air inlet 11, diversion division 210 determines the impeller unused spare time using ordinary flat
Between emptying, do not influence it is suitable for the characteristic of blower outer diameter and the dynamic lesser occasion of impeller outer diameter ratio, it is applied widely;And
And the diversion division 210 of multiple blades 200 forms movable vane wheel and surrounds, movable vane wheel throws away the air-flow come and is easily accessible air inlet
11, outlet air runner 12 is smoothly flowed into, air-flow can be effectively reduced in the invalid rotation for determining 10 upper space of impeller, reduce energy damage
It loses, to improve efficiency.
According to some embodiments of the present invention, diversion division 210 is configured to linear, arc protruding upward, to recessed
One of sunken arc or a variety of combinations.That is, diversion division 210 can for linear or arc protruding upward or
To the arc of lower recess, or the combined shaped of straight line, convex arc, concave arc, the present invention are not particularly limited this.
According to some embodiments of the present invention, shown in as shown in Figure 1, Figure 2, Fig. 4, Fig. 6-Fig. 8 and Figure 16-Figure 21, blade 200
With mounting portion 220, mounting portion 220 is located at the periphery of wheel body 100, and the first end of diversion division 210 is connected with mounting portion 220, leads
At least part of the second end in stream portion 210 is located above the upper surface of wheel body 100.In this way, processing easy to produce.
It is appreciated that as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 6-Fig. 8, Figure 20 and Figure 21, the first end of diversion division 210 can be with
The upper surface of wheel body 100 is spaced apart;Alternatively, the first end of diversion division 210 can be upper with wheel body 100 as shown in Figure 16-Figure 19
End face is connected.
Further, in the axial perspective plane perpendicular to wheel body 100, at least part of diversion division 210 is located at wheel
The outside of body 100 surrounds consequently facilitating being formed to movable vane wheel.For example, as shown in Fig. 4, Fig. 8, Figure 19 and Figure 21, diversion division 210
It is entirely located in the outside of wheel body 100;For another example, as shown in figure 17, a part of diversion division 210 is located at the outside of wheel body 100.
Optionally, as shown in fig. 6, diversion division 210 wheel body 100 radially ecto-entad and tilt down extension.?
That is diversion division 210 is located at below outer on the interior edge radially of wheel body 100.In this way, the from top to bottom edge of diversion division 210
The radially-inwardly inclination of wheel body 100, to be conducive to air-flow importing air inlet 11.For example, diversion division 210 is in axis projection face
Be projected as arc protruding upward, and the axial distance between the interior edge and outer of diversion division 210 is gradually reduced from the bottom to top.
Advantageously, shown in as shown in Figure 1, Figure 2, Fig. 4 and Figure 16-Figure 21, width radially of the diversion division 210 in wheel body 100
Reduce from the bottom to top, for example, the interior edge of diversion division 210 moves closer to outer from the bottom to top, is flowed to be conducive to gas, conducive to subtracting
Small energy loss.
Further, as shown in Fig. 4, Figure 17 and Figure 19, in the axial perspective plane perpendicular to wheel body 100, diversion division
210 triangle being projected as substantially, alternatively, as shown in figure 21, diversion division 210 is projected as substantially trapezoidal, thus structure
Simply, gas flowing is smooth.It should be noted that triangle substantially or trapezoidal refer to substantially form triangle or ladder
Each side of shape can be straight line, curve or their combination, for example, diametrically opposite two in wheel body 100 of diversion division 210
A side can be arc.
In some embodiments of the invention, as shown in figure 8, in the axial perspective plane perpendicular to wheel body 100,
The rectangle of diversion division 210 being projected as substantially, so that structure is simple.Similarly, rectangle substantially refers to that group is rectangular each
Side can be straight line, curve or their combination, for example, diametrically opposite two side in wheel body 100 of diversion division 210 can
Think arc.Certainly, diversion division 210 can also be other geometries, as long as guarantee diversion division 210 not with the movable vane after assembly
Wheel interference.
According to some embodiments of the present invention, as shown in Figure 10-Figure 12, diversion division 210 is located at the upper surface of wheel body 100,
In this way, diversion division 210 remains in the original outer diameter for determining impeller, structure is more compact, and space is more efficiently utilized.It leads
Stream portion 210 radially further ecto-entad and tilts down the upper surface for extending to wheel body 100 wheel body 100 to be formed
The windshied part 211 of air inlet 11 is blocked, so that windshied part 211 flows to next air inlet 11 in which can make gas fairing, is reduced
Energy loss.It is appreciated that open slot can be arranged on the upper surface of wheel body 100, in favor of forming air inlet 11.
Advantageously, as shown in Figure 10, windshied part 211 is configured to the radially inwardly projecting arc along wheel body 100, thus
Air inlet 11 is bigger, and it is unobstructed to be more favorable for runner.
In the related technology, ordinary flat determines the air duct of impeller by being formed after determining impeller and fan housing assembly, because of manufacture view
Factor, two parts are difficult to cooperate very good, and minim gap can generate high frequency noise.
For this purpose, according to some embodiments of the present invention, as shown in Fig. 1-Figure 21, the impeller 10 of determining for dust catcher is also wrapped
Include: wind loop 400, wind loop 400 are arranged around wheel body 100, and wind loop 400 axially extends upward wheel body 100 along wheel body 100
Upper surface and be respectively connected with the diversion division 210 of multiple blades 200, so that air duct is mainly by determining this part of impeller 10
It constitutes, good airproof performance, conducive to the minim gap determined between impeller and fan housing is eliminated, weakens the noise that minim gap generates, efficiency
It is relatively high, also, wind loop 400 can also provide support for multiple blades 200.
The blower 1 for dust catcher of embodiment according to a second aspect of the present invention, comprising: real according to a first aspect of the present invention
It applies and determines impeller 10, fan housing 20, driving device and movable vane wheel 30 for dust catcher described in example.
Determine impeller 10 to be fixed by screws on bracket 40, bracket 40 is connected with casing 50;Or, determining impeller 10 and casing 50
Be connected by way of integrated positioning pin, if guarantee to determine impeller 10 with casing 50 is reliable and stable is fixedly connected.Fan housing
20 are fastened on and determine on impeller 10, and fan housing 20 and determine the restriction air-out chamber of impeller 10.
Driving device has main shaft 60, and main shaft 60 penetrates rotatably centre bore 101, and movable vane wheel 30 is located at wheel body 100
Above upper surface and movable vane wheel 30 is located in wind chamber.Movable vane wheel 30 is fixedly connected by 60 band of main shaft with the main shaft 60 of driving device
Dynamic rotation.The opening direction of air inlet 11 is opposite with the direction of rotation of movable vane wheel 30, that is, the diversion division 210 of multiple blades 200
Rotation direction it is opposite with the direction of rotation of movable vane wheel 30.
Blower 1 according to an embodiment of the present invention for dust catcher determines impeller for dust catcher using as described above
10, it is conducive to realize miniature compact design, and efficiency with higher.
Other of blower 1 according to an embodiment of the present invention for dust catcher constitute and operate skill common for this field
All be for art personnel it is known, be not detailed herein.
The dust catcher of embodiment according to a third aspect of the present invention, including use described in embodiment according to a second aspect of the present invention
In the blower 1 of dust catcher.
Dust catcher according to an embodiment of the present invention is conducive to realize small-sized using the blower 1 as described above for being used for dust catcher
Change, is efficient.
Other of dust catcher according to an embodiment of the present invention are constituted and are operated for those of ordinary skills
All be it is known, be not detailed herein.
In the description of the present invention, it is to be understood that, term " width ", "upper", "lower", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
In the description of the present invention, " fisrt feature ", " second feature " they may include one or more of the features, the
One feature may include that the first and second features directly contact in second feature " on " or " under ", also may include the first He
Second feature is not direct contact but by the other characterisation contact between them.Fisrt feature is in second feature " it
On ", " top " and " above " include fisrt feature right above second feature and oblique upper, or be merely representative of fisrt feature level
Height is higher than second feature.
It should be noted that in the description of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiment or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (13)
1. a kind of determine impeller for dust catcher characterized by comprising
Wheel body, the wheel body have the centre bore for penetrating through end face thereon;
Multiple blades, multiple upper leaf pieces are connected respectively with the wheel body and being provided at circumferentially spaced along the wheel body, often
A upper leaf piece has the diversion division along the upper surface for axially extending upward the wheel body of the wheel body, the diversion division edge
The circumferential inclination upwards of the wheel body extends, and limits air inlet between two neighboring upper leaf piece;
Multiple lower blades, multiple lower blades are located at the lower end surface of the wheel body and being provided at circumferentially spaced along the wheel body,
The outlet air runner being connected to the air inlet is limited between the two neighboring lower blade.
2. according to claim 1 determine impeller for dust catcher, which is characterized in that upper leaf piece has mounting portion,
The mounting portion is located at the periphery of the wheel body, the first end of the diversion division be connected with the mounting portion and second end at least
A part is located above the upper surface of the wheel body.
3. according to claim 2 determine impeller for dust catcher, which is characterized in that in the axial direction perpendicular to the wheel body
Perspective plane in, at least part of the diversion division is located at the outside of the wheel body.
4. according to claim 2 determine impeller for dust catcher, which is characterized in that the wheel body radially, institute
It states diversion division ecto-entad and tilts down extension.
5. according to claim 2 determine impeller for dust catcher, which is characterized in that the diversion division is in the wheel body
Width radially reduces from the bottom to top.
6. according to claim 5 determine impeller for dust catcher, which is characterized in that in the axial direction perpendicular to the wheel body
Perspective plane in, the triangle being projected as substantially or trapezoidal of the diversion division.
7. according to claim 2 determine impeller for dust catcher, which is characterized in that in the axial direction perpendicular to the wheel body
Perspective plane in, the rectangle of the diversion division being projected as substantially.
8. according to claim 1 determine impeller for dust catcher, which is characterized in that the diversion division is located at the wheel body
Upper surface, the diversion division radially further ecto-entad and tilts down the wheel body and extends to the wheel body
Upper surface to form the windshied part for blocking the air inlet.
9. according to claim 8 determine impeller for dust catcher, which is characterized in that the windshied part is configured to along institute
State the radially inwardly projecting arc of wheel body.
10. according to claim 1 to 9 determine impeller for dust catcher, which is characterized in that the diversion division
It is configured to one of linear, arc protruding upward and arc to lower recess or a variety of combinations.
11. according to claim 1 to 9 determine impeller for dust catcher, which is characterized in that further include:
Wind loop, the wind loop are arranged around the wheel body, and the wind loop is described along axially extending upward for the wheel body
It the upper surface of wheel body and is respectively connected with the diversion division of multiple upper leaf pieces.
12. a kind of blower for dust catcher characterized by comprising
Impeller is determined for dust catcher described in any one of -11 according to claim 1;
Fan housing, the fan housing, which is fastened on, described to be determined on impeller and determines impeller with described and limit air-out chamber;
Driving device, the driving device have main shaft, and the main shaft penetrates rotatably the centre bore;
Movable vane wheel, the movable vane wheel are connect to be driven and be rotated by the driving device with the main shaft, and the movable vane wheel is located at institute
It states above the upper surface of wheel body and is located in the wind chamber, the direction of rotation of the opening direction of the air inlet and the movable vane wheel
On the contrary.
13. a kind of dust catcher, which is characterized in that including the blower according to claim 12 for dust catcher.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811168692.5A CN109340187B (en) | 2018-10-08 | 2018-10-08 | Fixed impeller for dust collector, fan and dust collector |
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Application Number | Priority Date | Filing Date | Title |
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CN201811168692.5A CN109340187B (en) | 2018-10-08 | 2018-10-08 | Fixed impeller for dust collector, fan and dust collector |
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CN109340187A true CN109340187A (en) | 2019-02-15 |
CN109340187B CN109340187B (en) | 2021-04-20 |
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CN (1) | CN109340187B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111407185A (en) * | 2020-01-21 | 2020-07-14 | 追创科技(苏州)有限公司 | Low-noise efficient motor and dust collector |
CN111852949A (en) * | 2019-04-28 | 2020-10-30 | 广东美的环境电器制造有限公司 | Air supply device and air supply equipment |
TWI768293B (en) * | 2019-07-10 | 2022-06-21 | 南韓商Lg電子股份有限公司 | Fan motor and manufacturing method thereof |
CN114680706A (en) * | 2020-12-25 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Fan assembly and dust collector |
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CN202288139U (en) * | 2011-09-28 | 2012-07-04 | 台山市江口电器制造有限公司 | Alternating-current series motor for dust collector |
CN105848544A (en) * | 2013-12-24 | 2016-08-10 | 三星电子株式会社 | Cleaning device |
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CN201292990Y (en) * | 2008-11-17 | 2009-08-19 | 金莱克电气股份有限公司 | Blower fan for suction cleaner motor |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852949A (en) * | 2019-04-28 | 2020-10-30 | 广东美的环境电器制造有限公司 | Air supply device and air supply equipment |
CN111852949B (en) * | 2019-04-28 | 2022-05-03 | 广东美的环境电器制造有限公司 | Air supply device and air supply equipment |
TWI768293B (en) * | 2019-07-10 | 2022-06-21 | 南韓商Lg電子股份有限公司 | Fan motor and manufacturing method thereof |
US11598350B2 (en) | 2019-07-10 | 2023-03-07 | Lg Electronics Inc. | Fan motor and manufacturing method thereof |
CN111407185A (en) * | 2020-01-21 | 2020-07-14 | 追创科技(苏州)有限公司 | Low-noise efficient motor and dust collector |
CN114680706A (en) * | 2020-12-25 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Fan assembly and dust collector |
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