CN207526765U - Volute tongue, volute, fan and device with fan - Google Patents
Volute tongue, volute, fan and device with fan Download PDFInfo
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- CN207526765U CN207526765U CN201721341657.XU CN201721341657U CN207526765U CN 207526765 U CN207526765 U CN 207526765U CN 201721341657 U CN201721341657 U CN 201721341657U CN 207526765 U CN207526765 U CN 207526765U
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- volute
- volute tongue
- spiral case
- curved surface
- tongue
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- 230000007704 transition Effects 0.000 claims abstract description 5
- 241000237858 Gastropoda Species 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 7
- 210000002105 tongue Anatomy 0.000 description 58
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a volute tongue, and have spiral case, fan of this volute tongue, and have the device of fan. The volute tongue is suitable for being arranged on a volute body of the fan volute, the volute body comprises a volute plate and two side plates respectively connected to two sides of the volute plate, and the volute tongue is characterized by comprising: the volute tongue surface is a surface of the volute tongue protruding towards a direction far away from the joint of the volute tongue and the volute body, and comprises a first curved surface, a second curved surface and a transition curved surface for connecting the first curved surface and the second curved surface, and the first curved surface and the second curved surface respectively extend towards the corresponding side plate from the transition curved surface in an inclined direction gradually close to the joint of the volute tongue and the volute body; and the air guide surface is connected with the volute tongue surface and extends to the air outlet of the volute. The utility model discloses can reduce the inside air current noise of spiral case, improve the static pressure of fan.
Description
Technical field
The utility model is related to household electrical appliance technical fields, and in particular to a kind of volute tongue, spiral case, wind turbine and with wind turbine
Device.
Background technology
Range hood is a kind of kitchen appliance for purifying kitchen environment, is typically mounted above cooking stove, cooking stove can burn
Waste and cooking process in the harmful oil smoke that generates take away rapidly, discharge is outdoor, has and reduces pollution, and purification is empty
The effect of gas has become indispensable a kind of machine for kitchen use equipment in Modern Family.
Wind turbine in range hood plays oil smoke separation and row's wind action, is the important component of range hood, usually
The spiral case in helical form air duct, the impeller being installed in spiral case and the motor for driving wheel rotation are formed with including inside, air duct
Side is equipped with air inlet, air outlet is equipped at the end coils in air duct, to prevent portion gas in air duct internal circulation flow, spiral case
It is typically provided volute tongue on the inside of air outlet, volute tongue, which can shut off, makes air-flow to flowing out at air outlet, for traditional straight volute tongue,
To improve the static pressure of spiral case, it generally can all deepen volute tongue, volute tongue is deeper, and volute tongue is smaller from the spacing of impeller, and gas passes through volute tongue
Speed is faster during place, increases the static pressure of wind turbine, but noise can also increase.
Utility model content
Therefore, the technical problem to be solved by the present invention is to wind turbine of the prior art is overcome to make an uproar when static pressure increases
The defects of sound can also increase reduces the volute tongue of noise, spiral case, wind turbine and with wind simultaneously so as to provide a kind of static pressure that can improve
The device of machine.
The utility model provides a kind of volute tongue, and suitable for being set on the volute body of volute of blower, the volute body includes snail
Plate and two side plates for being connected to the snail plate both sides, the volute tongue include：
Volute tongue face is the one side protruded to the direction far from the volute tongue and the volute body junction of the volute tongue,
Including first surface, the second curved surface and the fillet surface for connecting the first surface and second curved surface, described first is bent
Face, second curved surface are respectively by the fillet surface to move closer to the inclination of the junction of the volute tongue and the volute body
Direction extends to the corresponding side plate；
Wind-guiding face connect with the volute tongue face, and extends at the air outlet of the spiral case.
For the spiral case for double air inlet spiral cases, the blade structure being installed in the spiral case is double-deck fan blade, two layers fan blade it
Between connected by terminal pad, the fillet surface is directed at the terminal pad setting.
The width of the fillet surface and the equivalent width of the terminal pad.
The first surface, second curved surface and the fillet surface are respectively arc surface.
The arc radius at the fillet surface both ends is equal.
End arc radius of the first surface far from described fillet surface one end is not less than it close to transition song
The end arc radius of face one end；And/or end arc radius of second curved surface far from described fillet surface one end be not small
Arc radius in its end close to described fillet surface one end.
The wind-guiding face close to the corresponding side plate both ends be respectively formed be adapted to the volute tongue with it is described
The mounting structure of volute body.
The mounting structure is the convex block for offering the mounting hole for being adapted to the volute tongue and the volute body.
The surface of the convex block is arc surface.
The wind-guiding face is plane.
The utility model also provides a kind of spiral case, including：Above-mentioned volute tongue and the volute body.
The utility model also provides a kind of wind turbine, including：Above-mentioned spiral case and the fan blade knot being installed on the spiral case
Structure.
The utility model also provides a kind of device with wind turbine, including above-mentioned wind turbine.
The device with wind turbine is range hood.
Technical solutions of the utility model have the following advantages that：
1. volute tongue provided by the utility model includes first surface, the second curved surface and connection by the way that volute tongue face is set as
The fillet surface of the first surface and second curved surface, and the first surface, second curved surface are respectively by the mistake
It crosses curved surface and is extended with moving closer to the volute tongue with the inclined direction of the junction of the volute body to the corresponding side plate, it can
To improve speed of the air-flow in volute tongue region, while local eddy flow of the air-flow in volute tongue region is reduced, so as to reduce spiral case
Internal pneumatic noise improves the static pressure of wind turbine.
2. volute tongue provided by the utility model, the spiral case is double air inlet spiral case, the fan blade knot being installed in the spiral case
Structure is double-deck fan blade, is connected between two layers of fan blade by terminal pad, and the fillet surface is directed at the terminal pad setting, in this way may be used
So that double-deck fan blade is corresponding with first surface, the second curved surface respectively, and then better noise reduction can be obtained.
3. volute tongue provided by the utility model, the width of the fillet surface and the equivalent width of the terminal pad, in this way
Double-layer wind leaf can be made preferably corresponding with first surface, the second curved surface respectively, so as to obtain better noise reduction.
4. volute tongue provided by the utility model, the first surface, second curved surface and the fillet surface are respectively
Arc surface, this set can make flowing of the air-flow in volute tongue region more smooth, so as to more efficiently reduce in spiral case
The pneumatic noise in portion.
5. volute tongue provided by the utility model, the wind-guiding face is respectively formed at the both ends close to the corresponding side plate
The mounting structure of the volute tongue and the volute body is adapted to, can be more convenient in this way, volute tongue is quickly installed to spiral case
On body.
6. volute tongue provided by the utility model, the mounting structure is adapted to the volute tongue and the spiral case to offer
The convex block of the mounting hole of body, the surface of the convex block is arc surface, can be conveniently and efficiently installed to volute tongue meeting in this way
While on volute body, wind-guiding face is made to keep good wind effect.
7. volute tongue provided by the utility model, the wind-guiding face is plane, and wind-guiding face can be made to be imitated with good wind-guiding
Fruit.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the stereoscopic schematic diagram of a kind of volute tongue provided in the embodiment 1 of the utility model；
Fig. 2 is the stereoscopic schematic diagram of a kind of wind turbine provided in the embodiment 3 of the utility model；
Fig. 3 is the internal structure schematic diagram of wind turbine shown in Fig. 2；
Reference sign：
1- volute tongues, 11- volute tongues face, 111- first surfaces, the second curved surfaces of 112-, 113- fillet surfaces, 12- wind-guiding faces, 2-
Volute body, 21- snail plates, 22- side plates, 3- bilayer fan blades, 4- terminal pads, 5- convex blocks, 51- mounting holes.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
As shown in Figure 1-Figure 3, the present embodiment provides a kind of volute tongues 1, suitable for being set on the volute body 2 of volute of blower, institute
It states volute body 2 and includes snail plate 21 and two side plates 22 for being connected to 21 both sides of snail plate, the volute tongue 1 includes volute tongue
Face 11 and wind-guiding face 12.
Volute tongue face 11 is protruded to the direction far from the volute tongue 1 and 2 junction of volute body the one of the volute tongue 1
Face, including first surface 111, the second curved surface 112 and the transition song for connecting the first surface 111 and second curved surface 112
Face 113, the first surface 111, second curved surface 112 are respectively by the fillet surface 113 to move closer to the volute tongue 1
Extend with the inclined direction of the junction of the volute body 2 to the corresponding side plate 22；
Wind-guiding face 12 is connect with the volute tongue face 11, and is extended at the air outlet of the spiral case.
The volute tongue 1 of the present embodiment includes first surface 111, the second curved surface 112 and company by the way that volute tongue face 11 is set as
Connect the fillet surface 113 of the first surface 111 and second curved surface 112, and the first surface 111, second song
Face 112 is respectively by the fillet surface 113 to move closer to the inclined direction of the junction of the volute tongue 1 and the volute body 2
Extend to the corresponding side plate 22, speed of the air-flow in 1 region of volute tongue can be improved, while reduce air-flow in 1 region of volute tongue
Local eddy flow, so as to reduce the pneumatic noise inside spiral case, improve the static pressure of wind turbine.
In the present embodiment, for the spiral case for double air inlet spiral cases, the blade structure being installed in the spiral case is double-layer wind
Leaf 3 is connected by terminal pad 4 between two layers of fan blade, and the fillet surface 113 is directed at the terminal pad 4 and sets.It can make in this way
Double-deck fan blade 3 is corresponding with first surface 111, the second curved surface 112 respectively, and then can obtain better noise reduction.
The width of the fillet surface 113 and the equivalent width of the terminal pad 4.Can distinguish double-layer wind leaf 3 in this way
It is preferably corresponding with first surface 111, the second curved surface 112, so as to obtain better noise reduction.
In order to make flowing of the air-flow in 1 region of volute tongue more smooth, so as to more efficiently reduce the gas inside spiral case
Noise is flowed, in the present embodiment, the first surface 111, second curved surface 112 and the fillet surface 113 are respectively to justify
Cambered surface.
The arc radius at 113 both ends of fillet surface is equal.
End arc radius of the first surface 111 far from described 113 one end of fillet surface is not less than it close to described
The end arc radius of 113 one end of fillet surface；And/or second curved surface 112 is far from described 113 one end of fillet surface
End arc radius is not less than the arc radius of its end close to described 113 one end of fillet surface.
In order to it is more convenient, quickly volute tongue 1 is installed on volute body 2, in the present embodiment, the wind-guiding face 12 by
The both ends of the nearly corresponding side plate 22 are respectively formed with the mounting structure for being adapted to the volute tongue 1 and the volute body 2.
The concrete form of the mounting structure can there are many, in the present embodiment, the mounting structure for offer it is suitable
In the convex block 5 for the mounting hole 51 for connecting the volute tongue 1 and the volute body 2.The surface of the convex block 5 is arc surface.In this way may be used
While volute tongue 1 is conveniently and efficiently installed on volute body 2 by satisfaction, wind-guiding face 12 to be made to keep good wind effect.
In order to which wind-guiding face 12 is made to have good wind effect, wind-guiding face 12 described in the present embodiment is plane.
Embodiment 2
The present embodiment provides a kind of spiral case, including the volute tongue 1 and the volute body 2 described in embodiment 1.
Embodiment 3
The present embodiment provides a kind of wind turbine, including the spiral case described in embodiment 2 and the fan blade being installed on the spiral case
Structure.
Embodiment 4
The present embodiment provides a kind of device with wind turbine, including the wind turbine described in embodiment 3.In the present embodiment,
The device with wind turbine is range hood.The range hood of the present embodiment is due to including the wind turbine described in embodiment 3, institute
To have better smoking effect.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (14)
1. a kind of volute tongue, suitable for being set on the volute body of volute of blower (2), the volute body (2) is including snail plate (21) and divides
It is not connected to two side plates (22) of snail plate (21) both sides, which is characterized in that the volute tongue (1) includes：
Volute tongue face (11) is the convex to the separate volute tongue (1) and the direction of the volute body (2) junction of the volute tongue (1)
The one side gone out, including first surface (111), the second curved surface (112) and the connection first surface (111) and second song
The fillet surface (113) in face (112), the first surface (111), second curved surface (112) are respectively by the fillet surface
(113) to move closer to the inclined direction of the volute tongue (1) and the junction of the volute body (2) to the corresponding side plate
(22) extend；
Wind-guiding face (12) is connect, and extend at the air outlet of the spiral case with the volute tongue face (11).
2. volute tongue according to claim 1, which is characterized in that the spiral case is double air inlet spiral cases, is installed on the spiral case
In blade structure be double-deck fan blade (3), passing through terminal pad (4) between two layers of fan blade connects, fillet surface (113) alignment
Terminal pad (4) setting.
3. volute tongue according to claim 2, which is characterized in that the width of the fillet surface (113) and the terminal pad
(4) equivalent width.
4. volute tongue according to claim 1, which is characterized in that the first surface (111), second curved surface (112)
And the fillet surface (113) is respectively arc surface.
5. volute tongue according to claim 4, which is characterized in that the arc radius phase at fillet surface (113) both ends
Deng.
6. volute tongue according to claim 4, which is characterized in that the first surface (111) is far from the fillet surface
(113) the end arc radius of one end is not less than its end arc radius close to the fillet surface (113) one end；And/or
End arc radius of second curved surface (112) far from the fillet surface (113) one end is not less than it close to the transition
The arc radius of the end of curved surface (113) one end.
7. according to the volute tongue described in any one of claim 1-6, which is characterized in that the wind-guiding face (12) is close to corresponding
The both ends of the side plate (22) are respectively formed with the mounting structure for being adapted to the volute tongue (1) and the volute body (2).
8. volute tongue according to claim 7, which is characterized in that the mounting structure is adapted to the volute tongue to offer
(1) with the convex block of the mounting hole of the volute body (2) (51) (5).
9. volute tongue according to claim 8, which is characterized in that the surface of the convex block (5) is arc surface.
10. according to the volute tongue described in any one of claim 1-6, which is characterized in that the wind-guiding face (12) is plane.
11. a kind of spiral case, which is characterized in that including：Volute tongue (1) and the spiral case described in any one of claim 1-10
Body (2).
12. a kind of wind turbine, which is characterized in that including：Spiral case described in claim 11 and the fan blade being installed on the spiral case
Structure.
13. a kind of device with wind turbine, which is characterized in that including the wind turbine described in claim 12.
14. the device according to claim 13 with wind turbine, which is characterized in that the device with wind turbine is oil suction
Smoke machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341657.XU CN207526765U (en) | 2017-10-18 | 2017-10-18 | Volute tongue, volute, fan and device with fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341657.XU CN207526765U (en) | 2017-10-18 | 2017-10-18 | Volute tongue, volute, fan and device with fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526765U true CN207526765U (en) | 2018-06-22 |
Family
ID=62569078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721341657.XU Active CN207526765U (en) | 2017-10-18 | 2017-10-18 | Volute tongue, volute, fan and device with fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233470A1 (en) * | 2019-05-23 | 2020-11-26 | 青岛海尔滚筒洗衣机有限公司 | Centrifugal fan and clothes dryer |
-
2017
- 2017-10-18 CN CN201721341657.XU patent/CN207526765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233470A1 (en) * | 2019-05-23 | 2020-11-26 | 青岛海尔滚筒洗衣机有限公司 | Centrifugal fan and clothes dryer |
| US11898573B2 (en) | 2019-05-23 | 2024-02-13 | Qingdao Haier Drum Washing Machine Co., Ltd. | Centrifugal fan and clothing dryer |
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