CN207420921U - A kind of bottom air inlet formula bladeless fan - Google Patents
A kind of bottom air inlet formula bladeless fan Download PDFInfo
- Publication number
- CN207420921U CN207420921U CN201721466378.6U CN201721466378U CN207420921U CN 207420921 U CN207420921 U CN 207420921U CN 201721466378 U CN201721466378 U CN 201721466378U CN 207420921 U CN207420921 U CN 207420921U
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- CN
- China
- Prior art keywords
- air inlet
- bottom plate
- bladeless fan
- pedestal
- air
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011159 matrix material Substances 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 230000030279 gene silencing Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 3
- 210000002683 foot Anatomy 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to a kind of bottom air inlet formula bladeless fans, matrix including pedestal, by pedestal support and the exhaust apparatus arranged on matrix upper end, gas channel is equipped in described matrix and to generate the impeller of air-flow and motor, the air inlet of the gas channel is arranged on the bottom of described matrix, air inlet gap is formed between the bottom of described matrix and the upper surface of the pedestal, the gas outlet of the gas channel is connected with the inlet port of the exhaust apparatus, the exhaust outlet that the exhaust apparatus is equipped with the inner passage of receiving air-flow and outwards sprays air-flow.The utility model is arranged on base bottom due to the air inlet of gas channel, therefore the noise generated in working during impeller draw outside air is after air inlet diffuses out, it can be able to weaken under the interception of base top surface or eliminate, so as to substantially improve the noise problem of bladeless fan, make good, good appearance of its low noise, user experience etc..
Description
Technical field
The utility model is related to fan art, more particularly, to a kind of bottom air inlet formula bladeless fan.
Background technology
Existing bladeless fan includes pedestal and the exhaust apparatus by base supports.Be equipped in pedestal gas channel and to
Generating the impeller and motor of air-flow, the air inlet of gas channel is generally arranged on the side surface of pedestal, during work, motor driven impeller
Air is sucked from air inlet and establishes air-flow.However the noise sent during impeller draw outside air also can be outside by air inlet
Diffusion, simultaneously as the air inlet is arranged on pedestal side, so causing the above-mentioned noise almost quilt in the case of unseparated
It diffuses out, causes fan noise larger, user experience is poor.In addition, thickly dotted side air inlet structure is not only on pedestal
The aesthetics of fan is influenced, and dust tightness is also poor.
Utility model content
The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art, provide a kind of reasonable in design, noise
The good bottom air inlet formula bladeless fan of small, good appearance, dust tightness.
The purpose of this utility model is achieved by the following technical programs：
A kind of bottom air inlet formula bladeless fan, the matrix including pedestal, by pedestal support and the outlet air arranged on matrix upper end
Device, described matrix is interior to be equipped with gas channel and to generate the impeller of air-flow and motor, and the air inlet of the gas channel is set
In the bottom of described matrix, air inlet gap, the air-flow are formed between the upper surface of the bottom of described matrix and the pedestal
The gas outlet of passage is connected with the inlet port of the exhaust apparatus, the exhaust apparatus be equipped with receiving air-flow inner passage and
The exhaust outlet that air-flow is outwards sprayed.
Further, the bottom opening of described matrix, and the open end cap is equipped with a bottom plate, the bottom plate is equipped with
Several air inlet holes, the air inlet hole are the air inlet of the gas channel.
Further, the air inlet hole is distributed in the peripheral edge portion of the bottom plate in a ring.
Further, the peripheral edge portion of the bottom plate bottom surface is inclined upwardly setting, the peripheral edge portion of the base top surface
Setting is tilted down, thereby forms one between the peripheral edge portion of the bottom plate bottom surface and the peripheral edge portion of the base top surface
The air inlet gap wide outside and narrow inside.
Further, multiple circumferentially distributed screw hole seats, the bottom plate are provided on the lower end inner wall of described matrix
Peripheral edge portion be provided with multiple mounting holes corresponding with screw hole seat.
Further, the top surface of the pedestal is equipped with around its centrally disposed circular orientation fin, and the circular orientation is convex
The peripheral wall of rib is connected at least one section of circular arc wall by least one section of flat wall and formed, and the bottom surface of the bottom plate is equipped with and the annular
Location fin matches the circular orientation groove of grafting.
Further, the pedestal is equipped with several the first connecting holes set around the circular orientation fin periphery, institute
State bottom plate be equipped with it is several around the circular orientation groove periphery set the second connecting holes, when the circular orientation fin with
After the circular orientation matching grooves grafting, each first connecting hole is just corresponded with each second connecting hole.
Further, the impeller and motor are mounted in a wind guide chamber body, the top surface of the bottom plate be equipped with it is described
The annular silencing cavity of the air inlet position face of wind-guiding cavity is embedded with silencing cotton in the annular silencing cavity.
Further, the pedestal includes support base and the rotating seat arranged on support base upper end, the bottom plate and rotation
Seat is fixedly connected, and the rotation of the rotating seat is automatically controlled by an electric control gear.
Further, the base end face is equipped with several support foots pad.
Compared with prior art, the utility model has the advantages that：
The utility model is since the air inlet of gas channel is arranged on base bottom, and impeller draw outside is empty in work
The noise generated during gas can be able to weaken or eliminate after air inlet diffuses out under the interception of base top surface, so as to significantly
The noise problem of bladeless fan is improved, makes its low noise, user experience good.Meanwhile the structure of bottom air inlet is but also nothing
The presence of air inlet be can't see in blade fan outer surface, so as to improve the aesthetics of product, be conducive to product to high-endization trend
Development.In addition, the structure of bottom air inlet also helps the air inlet for avoiding substantial amounts of dust deposit in bladeless fan, so as to carry
Its high anti-dust performance.
Description of the drawings
Fig. 1 is the front schematic view of bladeless fan described in the utility model.
Fig. 2 is the schematic cross-sectional view of A-A in Fig. 1.
Fig. 3 is the schematic cross-sectional view of the matrix, bottom plate and the pedestal that are fitted together in the utility model.
Fig. 4 is that the matrix of discrete state in the utility model, bottom plate and pedestal look up direction stereoscopic schematic diagram.
Fig. 5 is the overlook direction stereoscopic schematic diagram of the bottom plate of discrete state and pedestal in the utility model.
Fig. 6 is the decomposition diagram of pedestal described in the utility model.
Specific embodiment
The embodiment provided below in conjunction with the accompanying drawings is described in further detail the utility model.
As shown in Figures 1 to 6, a kind of bottom air inlet formula bladeless fan described in the utility model, including pedestal 1, by pedestal 1
The matrix 2 of support and the exhaust apparatus 3 arranged on 2 upper end of matrix, matrix 2 is interior to be equipped with gas channel 4 and the leaf to generate air-flow
Wheel 5 and motor 6, the air inlet 41 of gas channel 4 is arranged on the bottom of matrix 2, between the bottom of matrix 2 and the upper surface of pedestal 1
Air inlet gap 7 is formed with, the gas outlet 42 of gas channel 4 is connected with the inlet port 31 of exhaust apparatus 3, and exhaust apparatus 3 is equipped with
The inner passage 32 of receiving air-flow and the exhaust outlet 33 for outwards spraying air-flow.
The bottom opening of matrix 2, and the open end cap is equipped with a bottom plate 8, bottom plate 8 is equipped with several air inlet holes 80,
The air inlet hole 80 is the air inlet 41 of gas channel 4.Preferably, air inlet hole 80 is distributed in the outer edge of bottom plate 8 in a ring
Point.
In order to improve intake and increase air-flow velocity, the peripheral edge portion 80 of 8 bottom surface of bottom plate is inclined upwardly setting, bottom
The peripheral edge portion 10 of 1 top surface of seat tilts down setting, thereby in the peripheral edge portion of 8 bottom surface of bottom plate and the outer rim of 1 top surface of pedestal
An air inlet gap 7 wide outside and narrow inside is formed between part.
Multiple circumferentially distributed screw hole seats 21 are provided on the lower end inner wall of matrix 2, the peripheral edge portion of bottom plate 8 is set
Have multiple with 21 corresponding mounting hole 81 of screw hole seat.During assembling, screw through mounting hole 81 and is screwed into screw hole seat 21
Being fixedly connected between matrix 2 and bottom plate 8 can be realized.
For convenience of the assembling between pedestal 1 and bottom plate 8, the top surface of pedestal 1 is equipped with around its centrally disposed circular orientation
Fin 11, the peripheral wall of circular orientation fin 11 are made of at least one section of flat wall 111 at least one section of connection of circular arc wall 112, bottom
The bottom surface of cover board 8 is equipped with the circular orientation groove 82 that grafting is matched with the circular orientation fin 11.Pedestal 1 is equipped with several around ring
The first connecting hole 12 that 11 periphery of shape location fin is set, bottom plate 8 are equipped with several around the setting of 82 periphery of circular orientation groove
The second connecting hole 83, after circular orientation fin 11 matches grafting with circular orientation groove 82, each first connecting hole 12 is just
It corresponds with each second connecting hole 83, screw is screwed into the first connecting hole 12 and the second connecting hole 83 at this time, you can realize
Being fixedly connected between pedestal 1 and bottom plate 8.
Further, impeller 5 and motor 6 are mounted in a wind-guiding cavity 9, and the top surface of bottom plate 8 is equipped with and wind-guiding cavity 9
91 position face of air inlet annular silencing cavity 84.Silencing cotton is embedded in the annular silencing cavity 84, can be absorbed at work
The noise generated during a part of impeller draw outside air makes to be weakened from air inlet 41 to the noise of external diffusion, and from into
The noise that gas port 41 diffuses out further is weakened under the interception of 1 top surface of pedestal again, thus greatly reduces no leaf wind
The noise of fan so that user experience is more preferable.
Further, pedestal 1 includes the support base 1a and rotating seat 1b arranged on support base 1a upper ends, bottom plate 8 and rotation
Seat 1b is fixedly connected, and the rotation of rotating seat 1b is automatically controlled by an electric control gear.During work, base can be realized by electric control gear
The body 2 and left and right of exhaust apparatus 3 swings back and forth thereon, so as to increase wind area.
Further, to improve the stationarity of support, 1 bottom surface of pedestal is equipped with several support foots pad 101.
As described above, is only the preferred embodiment of the utility model, real when that cannot limit the utility model with this
The scope applied, i.e., the simple equivalence changes made generally according to present utility model application the scope of the claims and utility model description
With modification, all still belong in the range of the utility model patent covers.
Claims (10)
1. a kind of bottom air inlet formula bladeless fan, the matrix including pedestal, by pedestal support and the outlet air dress arranged on matrix upper end
It puts, it is characterised in that：Gas channel is equipped in described matrix and to generate the impeller of air-flow and motor, the gas channel
Air inlet is arranged on the bottom of described matrix, and air inlet gap is formed between the bottom of described matrix and the upper surface of the pedestal,
The gas outlet of the gas channel is connected with the inlet port of the exhaust apparatus, and the exhaust apparatus is equipped with the interior of receiving air-flow
Portion's passage and the exhaust outlet for outwards spraying air-flow.
2. a kind of bottom air inlet formula bladeless fan according to claim 1, it is characterised in that：It opens the bottom of described matrix
Mouthful, and the open end cap is equipped with a bottom plate, the bottom plate is equipped with several air inlet holes, which is that the air-flow leads to
The air inlet in road.
3. a kind of bottom air inlet formula bladeless fan according to claim 2, it is characterised in that：The air inlet hole divides in a ring
Cloth is in the peripheral edge portion of the bottom plate.
4. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The bottom plate bottom surface
Peripheral edge portion be inclined upwardly setting, the peripheral edge portion of the base top surface tilts down setting, thereby in the bottom plate bottom
An air inlet gap wide outside and narrow inside is formed between the peripheral edge portion of the peripheral edge portion in face and the base top surface.
5. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The lower end of described matrix
Multiple circumferentially distributed screw hole seats are provided on inner wall, the peripheral edge portion of the bottom plate is provided with multiple and screw hole seat pair
The mounting hole answered.
6. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The top surface of the pedestal
Equipped with around its centrally disposed circular orientation fin, the peripheral wall of the circular orientation fin is by least one section of flat wall and at least one
Section circular arc wall connection composition, the bottom surface of the bottom plate is equipped with the circular orientation groove that grafting is matched with the circular orientation fin.
7. a kind of bottom air inlet formula bladeless fan according to claim 6, it is characterised in that：The pedestal is equipped with several
The first connecting hole set around the circular orientation fin periphery, the bottom plate are equipped with several around the circular orientation groove
The second connecting hole that periphery is set, when the circular orientation fin and after the circular orientation matching grooves grafting, each described the
One connecting hole is just corresponded with each second connecting hole.
8. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The impeller and motor
In a wind guide chamber body, the top surface of the bottom plate is equipped with to disappear with the annular of the air inlet position face of the wind-guiding cavity
Sound chamber is embedded with silencing cotton in the annular silencing cavity.
9. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The pedestal includes branch
Support seat and the rotating seat arranged on support base upper end, the bottom plate are fixedly connected with rotating seat, and the rotation of the rotating seat is by one
Electric control gear automatically controls.
10. a kind of bottom air inlet formula bladeless fan according to Claims 2 or 3, it is characterised in that：The base end face is set
There are several support foots pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466378.6U CN207420921U (en) | 2017-10-15 | 2017-10-15 | A kind of bottom air inlet formula bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466378.6U CN207420921U (en) | 2017-10-15 | 2017-10-15 | A kind of bottom air inlet formula bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420921U true CN207420921U (en) | 2018-05-29 |
Family
ID=62307506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721466378.6U Active CN207420921U (en) | 2017-10-15 | 2017-10-15 | A kind of bottom air inlet formula bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379742A (en) * | 2020-05-07 | 2020-07-07 | 慈溪市众邦电器有限公司 | A tower fan with a lift air outlet |
| CN113137397A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境电器制造有限公司 | Air supply device |
-
2017
- 2017-10-15 CN CN201721466378.6U patent/CN207420921U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137397A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境电器制造有限公司 | Air supply device |
| CN113137397B (en) * | 2020-01-19 | 2023-08-08 | 广东美的环境电器制造有限公司 | Air supply device |
| CN111379742A (en) * | 2020-05-07 | 2020-07-07 | 慈溪市众邦电器有限公司 | A tower fan with a lift air outlet |
| CN111379742B (en) * | 2020-05-07 | 2025-04-25 | 慈溪市众邦电器有限公司 | Tower fan with lifting air outlet |
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