CN208447464U - Air inlet ring, air motor and dust catcher - Google Patents
Air inlet ring, air motor and dust catcher Download PDFInfo
- Publication number
- CN208447464U CN208447464U CN201721276134.1U CN201721276134U CN208447464U CN 208447464 U CN208447464 U CN 208447464U CN 201721276134 U CN201721276134 U CN 201721276134U CN 208447464 U CN208447464 U CN 208447464U
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- China
- Prior art keywords
- air
- air inlet
- inlet ring
- motor
- body portion
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- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 230000003467 diminishing effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to dust collection equipment technical fields, disclose a kind of air inlet ring, air motor and dust catcher, the air inlet ring includes annular body portion (1), the annular body portion (1) includes air intake (A) and outlet air end (B), the aperture of the air intake (A) expands along the direction opposite with the flow direction of fluid wind, that is the aperture of air intake is diminishing rather than upper and lower isodiametric structure along the flow direction of fluid wind, the phenomenon that reducing when entering fluid wind there is no right-angled bend and moment incoming air area, therefore it can reduce the fluid vortex of air inlet to a certain extent, fluid wind is set gently to enter motor relatively, reduce the wind loss of air inlet, noise is also reduced simultaneously, to improve the performance of motor.
Description
Technical field
The utility model relates to dust collection equipment technical fields, more particularly to a kind of air inlet ring, air motor and dust catcher.
Background technique
The air inlet ring of the air motor of existing dust catcher is inferior big on aperture 100 as shown in Figure 1 and hangs down with end face 200
Straight structure leads to air inlet the phenomenon that reduction when flowing wind enters motor there are right-angled bend and moment incoming air area
Fluid vortex is larger and wind loss is serious, while in moment, reduction can generate noise to wind, to affect the performance of motor.
Accordingly, there exist design a kind of air inlet ring, air motor and dust catcher that can reduce wind loss and reduce noise
Needs.
Utility model content
The purpose of this utility model is to overcome the problem that wind loss of the existing technology is serious and noise is larger,
A kind of air inlet ring is provided, which can reduce wind loss and reduce noise.
The another object of the utility model is to provide for a kind of air motor including above-mentioned air inlet ring.
A further object of the utility model is to provide for a kind of dust catcher including above-mentioned air motor.
To achieve the goals above, on the one hand the utility model provides a kind of air inlet ring, and the air inlet ring includes that annular is main
Body portion, the annular body portion include air intake and outlet air end, and the aperture of the air intake is along the flow direction phase with fluid wind
Anti- direction expands.
Preferably, the inner sidewall of the air intake has round and smooth continuous surface.
Preferably, the inner sidewall of the air intake is provided with rounded corner.
Preferably, the annular body portion axially include be provided with first annular section of the rounded corner and
One end is connected and the other end is provided with the second ring segment of the outlet air end with described first annular section.
Preferably, the inner sidewall of second ring segment from described first annular section of one end being connected to the outlet air end
Tapered tapered, the taper bus of second ring segment and the value range of the angle of the axis of second ring segment are
1°-10°。
Preferably, the inner sidewall of second ring segment and the rounded corner are tangent.
Preferably, described first annular section and second ring segment are structure as a whole or separate structure.
Preferably, it is provided with flange on the lateral wall of the air intake, the lateral wall in the annular body portion is from described convex
Edge to the outlet air end is provided with the gradually smaller ring ladder structure of outer diameter.
The utility model second aspect provides a kind of air motor, and the air motor includes impeller chimney and is mounted on described
Above-mentioned air inlet ring on impeller chimney.
The utility model third aspect provides a kind of dust catcher, and the dust catcher includes above-mentioned air motor.
In the above-mentioned technical solutions, the air inlet ring includes annular body portion, the annular body portion include air intake and
The aperture of outlet air end, the air intake expands along the direction opposite with the flow direction of fluid wind, that is to say, that the hole of air intake
Diameter is diminishing rather than upper and lower isodiametric structure along the flow direction of fluid wind, and fluid wind is not present when entering
The phenomenon that right-angled bend and moment incoming air area reduce, therefore the fluid vortex of air inlet can be reduced to a certain extent, make
Fluid wind can gently enter motor relatively, the wind loss of air inlet be reduced, while also reducing noise, to mention
The high performance of motor.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the air inlet ring of the prior art；
Fig. 2 is the perspective view of the air inlet ring of the preferred embodiments of the present invention；
Fig. 3 is the schematic cross-sectional view of the air inlet ring in Fig. 2；
Fig. 4 is the exploded structural schematic diagram of the air motor of the preferred embodiments of the present invention.
Description of symbols
1 11 first annular sections of annular body portion
12 second ring segment A air intakes
A1 rounded corner A2 flange
10 impeller chimney of B outlet air end
20 air inlet rings
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual
Refer to reference to upper and lower, left and right shown in the drawings；" inside and outside " refers to inside and outside the profile relative to each component itself.
As shown in Figure 1, the aperture 100 of the air inlet ring of the air motor of existing dust catcher be it is upper inferior big and with end face 200
Vertical structure leads to air inlet the phenomenon that reduction when flowing wind enters motor there are right-angled bend and moment incoming air area
Fluid vortex it is larger, wind loss than more serious, while wind moment reduce can generate noise, to influence the property of motor
Energy.
Based on the problem that wind loss of the existing technology is serious and noise is larger, the utility model provides one kind can
Air inlet ring, air motor and the dust catcher of solution above-mentioned technical problem, hereafter will by specific embodiment and combination is corresponding
Attached drawing the air inlet ring, air motor and dust catcher are described in detail.
On the one hand the utility model provides a kind of air inlet ring, the air inlet ring includes annular body portion 1, the annular body
Aperture of the portion 1 including air intake A and outlet air end B, the air intake A expands along the direction opposite with the flow direction of fluid wind.
In the above-mentioned technical solutions, as shown in Figures 2 and 3, the air inlet ring includes annular body portion 1, and the annular is main
Body portion 1 expands in the aperture including air intake A and outlet air end B, the air intake A along the direction opposite with the flow direction of fluid wind
Greatly, that is to say, that the aperture of air intake A is diminishing rather than upper and lower isodiametric knot along the flow direction of fluid wind
Structure the phenomenon that reduction when entering fluid wind there is no right-angled bend and moment incoming air area, therefore can subtract to a certain extent
The fluid vortex of small air inlet allows fluid wind gently to enter motor relatively, reduces the wind loss of air inlet,
Noise is also reduced simultaneously, to improve the performance of motor.
The energy loss of fluid wind is reduced, preferably from fluid angle analysis in order to reduce the fluid vortex in air inlet
The inner sidewall on ground, the air intake A has round and smooth continuous surface.
Wherein, round and smooth continuous surface can be curved surface, and in order to facilitate processing, it is preferable that the inside of the air intake A
Wall is provided with rounded corner A1.Also, the size of rounded corner A1 can air intake A pore size and intake size and intake
The factors such as demand and the size for generating noise carry out flexible choice.
In addition, the structure in annular body portion 1 can there are many selections, it is preferable that the annular body portion 1 is axially square
To including being provided with first annular section 11 of the rounded corner A1 and one end to be connected and the other end with described first annular section 11
It is provided with the second ring segment 12 of the outlet air end B.
Also, in order to allow fluid wind relatively gently enter motor with further decrease fluid wind wind loss and
Noise, it is preferable that the inner sidewall of second ring segment 12 from described first annular section 11 one end being connected to the outlet air
Hold B tapered tapered, the value of the angle α of the axis of the taper bus of second ring segment 12 and second ring segment 12
Range is 1 ° -10 °, preferably 3 ° -8 °, more preferably 5 ° or 6 °.And preferably, the inner sidewall of second ring segment 12 with
The rounded corner A1 is tangent.
Wherein it is preferred to described first annular section 11 and second ring segment 12 is structure as a whole or separate structure.Tool
Body, in order to guarantee that bonding strength, described first annular section 11 and second ring segment 12 can be structure as a whole, however,
It is some in special circumstances, in order to facilitate the installation of and processing and manufacturing, described first annular section 11 and second ring segment 12 can also
For separate structure.
In addition, air inlet ring is installed on the impeller chimney being explained below for convenience, it is preferable that the air intake A's
Flange A2 is provided on lateral wall, the lateral wall in the annular body portion 1 is provided with outer from the flange A2 to the outlet air end B
The gradually smaller ring ladder structure of diameter.
The utility model second aspect provides a kind of air motor, and the air motor includes impeller chimney 10 and is mounted on institute
State the above-mentioned air inlet ring 20 on impeller chimney 10.As shown in figure 4, M is the mating surface of impeller chimney 10 and air inlet ring.Due to the air
Motor includes above-mentioned air inlet ring 20, therefore can reduce the fluid vortex of air inlet, allow fluid wind relatively gently into
Enter motor, reduce the wind loss of air inlet, while also reducing noise, to improve the performance of motor.
The utility model third aspect provides a kind of dust catcher, and the dust catcher includes above-mentioned air motor.Due to this
Dust catcher includes above-mentioned air motor, therefore has the advantages that all of the air motor.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of air inlet ring, which is characterized in that the air inlet ring includes annular body portion (1), and the annular body portion (1) includes
The aperture of air intake (A) and outlet air end (B), the air intake (A) expands along the direction opposite with the flow direction of fluid wind.
2. air inlet ring according to claim 1, which is characterized in that the inner sidewall of the air intake (A) has round and smooth continuous
Surface.
3. air inlet ring according to claim 2, which is characterized in that the inner sidewall of the air intake (A) is provided with rounded corner
(A1)。
4. air inlet ring according to claim 3, which is characterized in that the annular body portion (1) axially includes
It is provided with first annular section (11) of the rounded corner (A1) and one end is connected with first annular section (11) and the other end
It is provided with the second ring segment (12) of the outlet air end (B).
5. air inlet ring according to claim 4, which is characterized in that the inner sidewall of second ring segment (12) from it is described
First annular section (11) connected one end is tapered tapered to the outlet air end (B), and the taper of second ring segment (12) is female
The value range of the angle (α) of line and the axis of second ring segment (12) is 1 ° -10 °.
6. air inlet ring according to claim 5, which is characterized in that the inner sidewall of second ring segment (12) and it is described fall
Fillet (A1) is tangent.
7. the air inlet ring according to any one of claim 4-6, which is characterized in that first annular section (11) and described
Second ring segment (12) is structure as a whole or separate structure.
8. air inlet ring according to claim 1 to 6, which is characterized in that on the lateral wall of the air intake (A)
It is provided with flange (A2), the lateral wall from the flange (A2) to the outlet air end (B) of the annular body portion (1) is provided with outer
The gradually smaller ring ladder structure of diameter.
9. a kind of air motor, which is characterized in that the air motor includes impeller chimney (10) and is mounted on the impeller chimney
(10) air inlet ring according to claim 1 to 8 (20) on.
10. a kind of dust catcher, which is characterized in that the dust catcher includes air motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276134.1U CN208447464U (en) | 2017-09-30 | 2017-09-30 | Air inlet ring, air motor and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276134.1U CN208447464U (en) | 2017-09-30 | 2017-09-30 | Air inlet ring, air motor and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208447464U true CN208447464U (en) | 2019-02-01 |
Family
ID=65139886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276134.1U Expired - Fee Related CN208447464U (en) | 2017-09-30 | 2017-09-30 | Air inlet ring, air motor and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208447464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032420A1 (en) * | 2020-08-10 | 2022-02-17 | 天佑电器（苏州）有限公司 | Vacuum cleaner |
-
2017
- 2017-09-30 CN CN201721276134.1U patent/CN208447464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032420A1 (en) * | 2020-08-10 | 2022-02-17 | 天佑电器（苏州）有限公司 | Vacuum cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |