CN209370110U - A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan - Google Patents
A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan Download PDFInfo
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- CN209370110U CN209370110U CN201821740700.4U CN201821740700U CN209370110U CN 209370110 U CN209370110 U CN 209370110U CN 201821740700 U CN201821740700 U CN 201821740700U CN 209370110 U CN209370110 U CN 209370110U
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- stage vacuum
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Abstract
The utility model is suitable for fan technology field, provide a kind of two-stage vacuum fan, axial fan including centrifugal fan and for air-flow to be blowed to centrifugal fan, centrifugal fan and axial fan Coaxial Superimposed are arranged, centrifugal fan includes multiple centrifugal flabellums, one centrifugation sleeve and a mounting ring, the root of centrifugal flabellum is connected to centrifugation sleeve and is evenly distributed with along centrifugation sleeve, the lower surface of mounting ring is connected to centrifugal flabellum upper end, axial fan includes multiple axial flabellums and an axial sleeve, the root of axial flabellum is connected to axial sleeve and is evenly distributed with along axial sleeve, the inner surface of mounting ring is connected at the top of axial flabellum, centrifugal flabellum upper end is connected to axial flabellum lower end.The utility model additionally provides a kind of dust catcher with the two-stage vacuum fan.A kind of two-stage vacuum fan provided by the utility model and the dust catcher with the two-stage vacuum fan have the advantages that stream pressure is high, flow velocity is high, and inspiratory effects are good, and use feeling is good.
Description
Technical field
The utility model belongs to fan technology field more particularly to a kind of two-stage vacuum fan and has the two-stage vacuum wind
The dust catcher of fan.
Background technique
Floor care is the global industry of large size, i.e., generating air-flow using the drawing fan being mounted on motor will be broken
Bits are picked up from floor, are then filtered off clast from air-flow, to clean domestic or commercial floor.Common fan is more on the market
For single stage fan, if the disadvantage that the fan for selecting stream pressure high is low there will be air-flow velocity, otherwise selection air-flow velocity is high
The fan disadvantage low there will be stream pressure, the two can not get both, and inspiratory effects are poor, and use feeling is bad.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problem, provides a kind of two-stage vacuum fan and have should
The dust catcher of two-stage vacuum fan is different from single stage fan common on the market, but has centrifugal fan, axial fan
Two-stage fan, which has the advantages that stream pressure is high, air-flow velocity is high simultaneously, and the two can get both, and air-breathing
Effect is good, and use feeling is good.
The technical solution of the utility model is: as the further improvement of the technical program, providing a kind of two-stage vacuum
Fan, the axial fan including centrifugal fan and for air-flow to be blowed to the centrifugal fan, the centrifugal fan and the axis
It is arranged to fan Coaxial Superimposed, the centrifugal fan includes multiple centrifugal flabellums, one for connecting the centrifugation sleeve of rotary shaft
With a mounting ring, the root of the centrifugal flabellum is connected to the centrifugation sleeve and, the peace uniformly distributed along the centrifugation sleeve
The lower surface of dress ring is connected to the centrifugal flabellum upper end, and the axial fan includes that multiple axial flabellums and one are used to connect
The axial sleeve of rotary shaft, the root of the axial direction flabellum are connected to the axial sleeve and, institute uniformly distributed along the axial sleeve
The inner surface that the mounting ring is connected at the top of axial flabellum is stated, the centrifugal flabellum upper end is connected under the axial flabellum
End.
Optionally, the surface of the axial flabellum is rectangular surfaces or cambered surface.
Optionally, the centrifugal flabellum is consistent with the axial quantity of flabellum.
Optionally, the both ends open of the mounting ring and be in hollow round table shape, the mounting ring is wherein open at one end straight
Diameter is greater than the diameter of another end opening.
Optionally, the centrifugal fan is set to the big one end of the mounting ring opening diameter, the axial fan setting
In the small one end of the mounting ring opening diameter.
Optionally, the lower end of the centrifugal flabellum is provided with pressure plare.
Optionally, it is consistent that circular diameter is formed when the diameter of the pressure plare is rotated with the centrifugal flabellum.
Optionally, the pressure plare is connected to the one side of the centrifugal flabellum lower end in planar or arc surfaced.
Optionally, the axial flabellum lower end is fixed on by alite paste in the centrifugal flabellum upper end；Or, the centrifugal fan
Leaf upper end, which is integrally formed, is connected to the axial flabellum lower end.
The utility model additionally provides a kind of dust catcher, and the dust catcher has a kind of two-stage vacuum wind described among the above
Fan.
A kind of two-stage vacuum fan provided by the utility model and the dust catcher with the two-stage vacuum fan, it is different
In single stage fan common on the market, but have the two-stage fan of centrifugal fan, axial fan, can make air-flow can first edge
The advantages of axially flowing, then radially flow, and centrifugal fan, axial fan work at the same time, can retaining when the two works independently
(such as axial fan air-flow velocity is high, centrifugal fan stream pressure is high), and (as axial the shortcomings that both compensate for when working independently
Fan airstream pressure is low, centrifugal fan air-flow velocity is low), which has stream pressure height, air-flow velocity high simultaneously
Advantage, the two can get both, and inspiratory effects are good, and use feeling is good.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of perspective view of the explosion of two-stage vacuum fan provided by the embodiment of the utility model；
Fig. 2 is the stereoscopic schematic diagram of centrifugal fan in a kind of two-stage vacuum fan provided by the embodiment of the utility model；
Fig. 3 is the stereoscopic schematic diagram of axial fan in a kind of two-stage vacuum fan provided by the embodiment of the utility model；
Fig. 4 is the floor map of pressure plare in a kind of two-stage vacuum fan provided by the embodiment of the utility model；
Fig. 5 is a kind of assembling schematic diagram of two-stage vacuum fan provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that term " setting ", " connection " shall be understood in a broad sense, for example, it may be directly arranged, install,
Connection, can also be arranged indirectly by component placed in the middle, center configuration, be connected.
If in addition, having " axial direction ", " radial direction ", " top ", " root ", "upper", "lower", " straight in the utility model embodiment
The orientation or positional relationship of the instructions such as diameter ", "inner", "outside", " big ", " small " be based on the orientation or positional relationship shown in the drawings or
Conventional placement status or use state, are merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified structure, feature, device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
Described each particular technique feature and each embodiment in a specific embodiment, in the case of no contradiction,
It can be combined in any appropriate way, such as can be with shape by different particular technique feature/embodiment combinations
At different embodiments, in order to avoid unnecessary repetition, each particular technique feature/embodiment is each in the utility model
No further explanation will be given for the possible combination of kind.
As shown in Figures 1 to 5, the utility model embodiment provides a kind of two-stage vacuum fan, and " vacuum " herein is
Air-flow will not be sucked when referring to two-stage vacuum fan reversion, air-flow can be discharged in when rotating forward, thus the vacuum state formed.Two
Grade vacuum fan includes centrifugal fan 1 and the axial fan 2 for air-flow to be blowed to centrifugal fan 1, centrifugal fan 1 and axial wind
Fan 2 can Coaxial Superimposed setting, air-flow first enters from axial fan 2, drains into centrifugal fan 1 by axial fan 2, then pass through centrifugation wind
1 discharge of fan, i.e., air-flow is introduced into axial fan 2, drains into centrifugal fan 1, then edge by the axial flabellum 21 along axial fan 2 is axial
The radial discharge of the centrifugal flabellum 11 of centrifugal fan 1, and centrifugal fan 1 is worked at the same time with axial fan 2, can be effectively improved air-flow,
Keep stream pressure height, flow velocity high.Centrifugal fan 1 includes 11, centrifugation sleeves 12 of multiple centrifugal flabellums and a mounting ring 13,
For centrifugation sleeve 12 for connecting rotary shaft, the root of centrifugal flabellum 11 may connect to centrifugation sleeve 12 and equal along centrifugation sleeve 12
Cloth, the lower surface of mounting ring 13 may connect to 11 upper end of centrifugal flabellum；Axial fan 2 includes multiple axial flabellums 21 and a use
In the axial sleeve 22 of connection rotary shaft, the root of axial flabellum 21 may connect to axial sleeve 22 and equal along axial sleeve 22
Cloth.The rotary shaft that centrifugation sleeve 12 is connect with axial sleeve 22 is the rotary shaft of motor.The top of axial flabellum 21 may connect to
The inner surface of mounting ring 13,11 upper end of centrifugal flabellum may connect to axial 21 lower end of flabellum.The two-stage vacuum fan is different from city
Common single stage fan on face, but have the two-stage fan of centrifugal fan 1, axial fan 2, axial flabellum 21 is in air-flow
Air-flow is forced to be flowing axially into centrifugal fan 1 before 90 ° of turning points, to improve the gas at two-stage vacuum fan minimal pressure force
Both pressure, to promote the efficiency of two-stage vacuum fan, when work, has the advantages that stream pressure is high, air-flow velocity is high, can
It gets both, and inspiratory effects are good, use feeling is good.
Preferably, centrifugal fan 1 can be made up with axial fan 2 of injection molding, make simple, at low cost.
Preferably, axial blade 21 can inclined angle be connected to axial sleeve 22, wind pressure can be increased.
In the present embodiment, the following table for being defined as mounting ring 13 on one side that mounting ring 13 is connected with 11 upper end of centrifugal flabellum
Face, otherwise the upper surface for being defined as mounting ring 13 on one side being oppositely arranged with the lower surface.
In the present embodiment, the interior table for being defined as mounting ring 13 on one side being connected at the top of mounting ring 13 and axial flabellum 21
Face, otherwise the outer surface for being defined as mounting ring 13 on one side being oppositely arranged with the inner surface.
In the present embodiment, one end that centrifugal flabellum 11 is connected with the lower surface of mounting ring 13,21 lower end of axial flabellum
The one end for being defined as the upper end of centrifugal flabellum 11, otherwise being oppositely arranged with the upper end is defined as the lower end of centrifugal flabellum 11.
In the present embodiment, one end that axial flabellum 21 is connected with 11 upper end of centrifugal flabellum is defined as axial flabellum 21
Lower end, on the contrary the one end being oppositely arranged with the lower end is defined as the upper end of axial flabellum 21.
In the present embodiment, the side that centrifugal flabellum 11 is connected with centrifugation sleeve 12 is defined as the root of centrifugal flabellum 11
Portion, on the contrary the side being oppositely arranged with the root is defined as the top of centrifugal flabellum 11.
In the present embodiment, the side that axial flabellum 21 is connected with axial sleeve 22 is defined as the root of axial flabellum 21
Portion, the side that axial flabellum 21 is connected with the inner surface of mounting ring 13 are defined as the top of axial flabellum 21.
As shown in figure 3, optionally, the surface of axial flabellum 21 can be rectangular surfaces or cambered surface, the centrifugal flabellum of rectangular surfaces
11 production are simple, at low cost, and the axial flabellum 21 of cambered surface can increase a thrust to air-flow in rotation.
As shown in Figures 2 and 3, optionally, centrifugal flabellum 11 can be consistent with the quantity of axial flabellum 21, compact-sized.
As shown in Figure 2 and Figure 5, optionally, the both ends open of mounting ring 13 and can be in hollow round table shape, mounting ring 13 is wherein
Diameter open at one end is greater than the diameter of another end opening, and the relatively small one end of diameter can form air inlet, and diameter is relatively
Big one end can form exhaust outlet, and the middle vacancy of hollow round table shape mounting ring is put into for axial fan 2.
As shown in Figure 2 and Figure 5, optionally, axial fan 2 is set to the relatively small one end of 13 diameter of mounting ring, i.e. axis
The air inlet of mounting ring 13 is set to fan 2, air-flow can enter from axial fan 2, then axially drain into centrifugation along axial fan 2
Fan 1；Centrifugal fan 1 may be disposed at the relatively large one end of 13 diameter of mounting ring, i.e. centrifugal fan 1 is set to mounting ring 13
Exhaust outlet, air-flow can be along the radial discharges of centrifugal fan 1.
Optionally such as Fig. 1 and Fig. 2, the lower end of centrifugal flabellum 11 may be provided with pressure plare 3, and 3 center of pressure plare can offer
For connecting the hole location of electric machine rotational axis, pressure plare 3 can be directly installed on together rotary shaft with centrifugal fan 1, axial fan 2
On, to guarantee well balanced property when running at high speed, and pressure plare 3 is not connected with centrifugal fan 1, axial fan 2, can subtract
Weak vibration can be used for high-speed rotating product.
Alternatively, as another implementation, when there is supporting surface in two-stage vacuum fan installation place, and supporting surface can will be centrifuged
When the circle that flabellum 11 is formed when rotating is completely covered, 11 lower end of centrifugal flabellum can be directly connected in supporting surface, i.e., with support
Face substitutes mounting plate, save the cost.
Preferably, pressure plare 3 can be made up of injection molding, make simple, at low cost.
Optionally such as 2 and Fig. 5, it is consistent that circular diameter is formed when 3 diameter of pressure plare can be rotated with centrifugal flabellum 11, so that
Pressure plare 3 all blocks 1 lower end of centrifugal fan, guarantees that air-flow is radially flowed out along centrifugal flabellum 11.
Optionally such as 2 and Fig. 5, the one side that pressure plare 3 is connected to 11 lower end of centrifugal flabellum can be in planar or arc surfaced, should
The shape in face can be such that pressure plare 3 and 11 lower end of centrifugal flabellum is seamlessly connected, guarantee depending on the shape of 11 lower end of centrifugal flabellum
Air-flow is radially flowed out along centrifugal flabellum 11.
In the present embodiment, one end that centrifugal fan 1 is provided with mounting ring 13 is defined as the upper end of centrifugal fan 1, centrifugation
One end that fan 1 is connected with mounting ring 13 (or supporting surface) is defined as the lower end of centrifugal fan 1.
Optionally such as 2 and Fig. 3,11 upper end of centrifugal flabellum can be fixed on axial 21 lower end of flabellum by alite paste, while from
Heart sleeve 12 can be fixed on axial sleeve 22 by alite paste, the top of axial flabellum 21 can be fixed on mounting ring by alite paste
13, i.e. centrifugal fan 1 and axial fan 2 can first be fabricated separately recombinant installation, and production is simple, flexible.
Alternatively, 11 upper end of centrifugal flabellum, which can be integrally formed, is connected to axial 21 lower end of flabellum as another implementation
(i.e. axial flabellum 21 be extended partially into centrifugal flabellum 11), while being centrifuged sleeve 12 and can be integrally formed and being connected to axial sleeve
22, the top of axial flabellum 21, which can be integrally formed, is connected to mounting ring 13, i.e., centrifugal fan 1, axial fan 2 are integrally formed, system
Make convenient, installation simply.
The utility model embodiment additionally provides a kind of dust catcher, and dust catcher has a kind of two-stage vacuum wind among the above
Fan.
A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan provided by the utility model embodiment,
It is different from single stage fan common on the market, but has the two-stage fan of centrifugal fan 1, axial fan 2, can make gas
Stream can first be flowed along axial flowing, then radially, and centrifugal fan 1, axial fan 2 work at the same time, by being located at air inlet position
The axial flabellum 21 of axial fan 2 force air-flow to be flowing axially into centrifugal fan 1 before 90 ° of turning points of air-flow, to improve
Air pressure at fan minimal pressure force, thus the advantages of promoting the efficiency of two-stage vacuum fan, remaining when the two works independently
(such as 2 air-flow velocity of axial fan is high, 1 stream pressure of centrifugal fan is high), and compensate for (such as axis the shortcomings that when the two works independently
It is low to 2 stream pressure of fan, 1 air-flow velocity of centrifugal fan is low), which has that stream pressure is high, air-flow velocity simultaneously
High advantage, the two can get both, and inspiratory effects are good, and use feeling is good.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of two-stage vacuum fan, which is characterized in that including centrifugal fan and for air-flow to be blowed to the centrifugal fan
Axial fan, the centrifugal fan and the axial fan Coaxial Superimposed are arranged, the centrifugal fan include multiple centrifugal flabellums,
One is used to connect the centrifugation sleeve and a mounting ring of rotary shaft, and the root of the centrifugal flabellum is connected to the centrifugation sleeve
And it is uniformly distributed along the centrifugation sleeve, the lower surface of the mounting ring is connected to the centrifugal flabellum upper end, the axial fan packet
Multiple axial flabellums and one are included for connecting the axial sleeve of rotary shaft, the root of the axial direction flabellum is connected to the axial direction
Sleeve and uniformly distributed along the axial sleeve, is connected to the inner surface of the mounting ring, the centrifugation at the top of the axial direction flabellum
Flabellum upper end is connected to the axial flabellum lower end.
2. a kind of two-stage vacuum fan as described in claim 1, which is characterized in that the surface of the axial direction flabellum is rectangular surfaces
Or cambered surface.
3. a kind of two-stage vacuum fan as described in claim 1, which is characterized in that the centrifugal flabellum and the axial flabellum
Quantity it is consistent.
4. a kind of two-stage vacuum fan as described in claim 1, which is characterized in that the both ends open of the mounting ring and be in
Empty round table-like, wherein diameter open at one end is greater than the diameter of another end opening to the mounting ring.
5. a kind of two-stage vacuum fan as claimed in claim 4, which is characterized in that the centrifugal fan is set to the installation
The big one end of ring opening diameter, the axial fan are set to the small one end of the mounting ring opening diameter.
6. a kind of two-stage vacuum fan as described in claim 1, which is characterized in that the lower end of the centrifugal flabellum is provided with pressure
Power plate.
7. a kind of two-stage vacuum fan as claimed in claim 6, which is characterized in that the diameter of the pressure plare and the centrifugation
It is consistent that flabellum forms circular diameter when rotating.
8. a kind of two-stage vacuum fan as claimed in claim 6, which is characterized in that the pressure plare is connected to the centrifugal fan
The one side of leaf lower end is in planar or arc surfaced.
9. a kind of two-stage vacuum fan as described in claim 1, which is characterized in that the centrifugal flabellum upper end passes through alite paste
It is fixed on the axial flabellum lower end；Or, the centrifugal flabellum upper end, which is integrally formed, is connected to the axial flabellum lower end.
10. a kind of dust catcher, which is characterized in that the dust catcher has one kind two as claimed in any one of claims 1-9 wherein
Grade vacuum fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740700.4U CN209370110U (en) | 2018-10-25 | 2018-10-25 | A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740700.4U CN209370110U (en) | 2018-10-25 | 2018-10-25 | A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan |
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| Publication Number | Publication Date |
|---|---|
| CN209370110U true CN209370110U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740700.4U Active CN209370110U (en) | 2018-10-25 | 2018-10-25 | A kind of two-stage vacuum fan and the dust catcher with the two-stage vacuum fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589672A (en) * | 2019-09-24 | 2019-12-20 | 东莞市裕铭清洁用品有限公司 | Passive escalator pedestrian path cleaning machine |
| CN114440202A (en) * | 2022-01-25 | 2022-05-06 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
-
2018
- 2018-10-25 CN CN201821740700.4U patent/CN209370110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589672A (en) * | 2019-09-24 | 2019-12-20 | 东莞市裕铭清洁用品有限公司 | Passive escalator pedestrian path cleaning machine |
| CN114440202A (en) * | 2022-01-25 | 2022-05-06 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
| CN114440202B (en) * | 2022-01-25 | 2023-08-08 | 桂林智神信息技术股份有限公司 | Heat radiation structure and lamp with same |
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