CN206582172U - Air outlet guiding device and bladeless fan - Google Patents
Air outlet guiding device and bladeless fan Download PDFInfo
- Publication number
- CN206582172U CN206582172U CN201720281183.8U CN201720281183U CN206582172U CN 206582172 U CN206582172 U CN 206582172U CN 201720281183 U CN201720281183 U CN 201720281183U CN 206582172 U CN206582172 U CN 206582172U
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- Prior art keywords
- connection end
- air
- guiding device
- air outlet
- conducting element
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 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 description 4
- 239000012780 transparent material Substances 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of air outlet guiding device and bladeless fan, is related to fan technology field.A kind of air outlet guiding device includes the first conducting element, the second conducting element and the air-out passage limited by the first conducting element and the second conducting element cooperated.First conducting element includes the first main connection end, curls into the First Contact Connections end of water conservancy diversion annular groove and is arranged at the air inlet that connects between the first main connection end and First Contact Connections end and with air-out passage.Second conducting element includes the second main connection end and second of connection end, the first main connection end and the second main connection end connection, and second of connection end is inserted in water conservancy diversion annular groove.Second of connection end is provided with multiple fuisw ribs.The air outlet guiding device is simple in construction, convenient for cleaning, assembling is easy, and can effectively drive the flowing of air outlet air to increase air flow efficiency.A kind of bladeless fan, employs the air outlet guiding device.The air flow efficiency of the bladeless fan is high, and effect of enjoying the cool is good.
Description
Technical field
The utility model is related to fan technology field, in particular to a kind of air outlet guiding device and bladeless fan.
Background technology
Fan is one of summer indispensable drop heat electrical equipment, and most of traditional fan is three flabellums.Will by blade
Air pressurized accelerates and then blowed to user.But, traditional fan is there is also some shortcomings, for example, the high-speed rotation of flabellum
Be easy to injure child, wind sense it is unstable it is comfortable, be difficult to clean, consume energy height etc..
Therefore, bladeless fan is arisen at the historic moment.Bladeless fan is also air multiplier, and it can produce the lasting cool breeze of nature,
Because of on-bladed, dust will not be covered or the finger of children's reeve is hurt.More marvellous is that its is peculiarly shaped, appearance not only streamline but also clear
It is refreshing.Product inspiration comes from air blades hand dryer.It is dry on hand that the principle of hand dryer forces the air over an osculum " brush "
Water, air multiplier is produced by boasting in the otch for allowing air to be rotated from 1.3 mm wide, around annulus.Because air is strong
System is produced by boasting in this circle, and the air capacity passed through can increase to 15 times, speed per hour can highest increase to 35 kilometers.Bladeless fan in
On October 12nd, 2009 is released for the first time in Britain.The second generation is released in Hong Kong within 2 months 2011.
But, existing bladeless fan there is also air-supply efficiency it is low the problem of, how the problem of wind band scope is small therefore carries
High bladeless fan air-supply efficiency, expands wind band scope, the important factor in order as influence industry progress.
Utility model content
The purpose of this utility model is to provide a kind of air outlet guiding device, is not only simple in structure, convenient for cleaning, assembling
Simplicity, and can effectively increase water conservancy diversion efficiency, expand wind band scope.
Another object of the present utility model is to provide a kind of bladeless fan, utilizes this air outlet guiding device to carry out water conservancy diversion
And air-supply, the water conservancy diversion efficiency of bladeless fan can be improved, expands wind band scope, more drives the air stream around bladeless fan
It is dynamic, increase effect of enjoying the cool.
What the utility model was realized in：
A kind of air outlet guiding device, for carrying out water conservancy diversion to bladeless fan, including mutual cooperation the first conducting element, the
Two conducting elements and the air-out passage limited by the first conducting element and the second conducting element.First conducting element includes the first main connection
Hold, curl into the First Contact Connections end of water conservancy diversion annular groove and be arranged between the first main connection end and First Contact Connections end and with
The air inlet of air-out passage connection.Second conducting element includes the second main connection end and second connection end, the first main connection end and
Second main connection end connection, and second of connection end is inserted in water conservancy diversion annular groove in the way of gap coordinates.Second of connection end is set
It is equipped with multiple fuisw ribs to be arranged non-parallel to guide ring fluted shaft in the way of.
Preferably, multiple fuisw ribs are arranged at second of connection end and the facing one side in First Contact Connections end.
Preferably, spaced multiple fuisw ribs are overall in the shape of a spiral.
Preferably, First Contact Connections end has two the first straight trip portions and be connected between two the first straight trip portions the
One curved portions.Second of connection end has the second curved portions and the second straight trip portion being connected with the second curved portions.
Preferably, fuisw rib extends to the second straight trip portion by the second curved portions.
Preferably, the second main connection end is in ramped shaped.Second main connection end is by the main connecting portion being oppositely arranged and time connection
Portion is constituted, and the second main connection end is tilted from main connecting portion to secondary connecting portion, and main connecting portion is connected with the second straight trip portion, secondary connecting portion
It is connected with the first main connection end.
Preferably, the ramp slope of the second main connection end is 13~20 °.
Preferably, the ramp slope of the second main connection end is 16 °.
Preferably, air outlet guiding device also includes the air intake joint for being connected to air inlet.
A kind of bladeless fan, including air outlet guiding device.
The beneficial effect of such scheme：
The utility model provides a kind of air outlet guiding device and bladeless fan.The air outlet guiding device of offer, it is main
It is used to carry out water conservancy diversion to bladeless fan.Air outlet guiding device includes the first conducting element, the second conducting element and led by first
The air-out passage limited between stream part and the second conducting element.Because the structure of air outlet guiding device is very simple, therefore
It is also convenient for cleaning during the use in later stage, assembles simple.Also, due to also ensure that the safety used accordingly without blade
Property.First conducting element interacts with the second conducting element causes had in air outlet guiding device from the wind that air inlet is sent into
The speed-raising of effect ground.Meanwhile, the first conducting element is provided with multiple fuisw ribs, can not only increase the flow velocity of wind, and can change and blow
The effect of the wind gone out so that the wind effect of blowout more preferably, can form the vortex air flow of uniform small range, and help drives surrounding more
Many air flows, so as to reach real natural wind, and then improve prior art bladeless fan blowout wind for straight wind and
The poor technical problem of water conservancy diversion effect.The bladeless fan of offer, make use of this air outlet guiding device to be blown, water conservancy diversion, can
To improve the water conservancy diversion efficiency of bladeless fan, the air flow around bladeless fan is more driven, increases effect of enjoying the cool.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the air outlet guiding device that embodiment 1 of the present utility model is provided；
The profile for the air outlet guiding device that Fig. 2 embodiments 1 of the present utility model are provided；
The structural representation for the first conducting element that Fig. 3 embodiments 1 of the present utility model are provided；
Fig. 4 is the structural representation at the first visual angle of the second conducting element that embodiment 1 of the present utility model is provided；
Fig. 5 is the structural representation at the second visual angle of the second conducting element that embodiment 1 of the present utility model is provided；
Fig. 6 is the structural representation for the bladeless fan that embodiment 1 of the present utility model is provided.
Icon：100- air outlet guiding devices；The conducting elements of 101- first；The conducting elements of 103- second；105- air-out passages；
The main connection ends of 107- first；111- First Contact Connections end；113- air inlets；The main connection ends of 115- second；Second of connection of 117-
End；119- fuisw ribs；The first straight trips of 121- portion；The curved portions of 123- first；The curved portions of 127- second；The second straight trips of 129- portion；
The main connecting portions of 131-；133- connecting portion；135- air intake joints.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is that, based on orientation shown in the drawings or position relationship, or the utility model product is usually put when using
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment 1
A kind of air outlet guiding device 100 is present embodiments provided, refering to Fig. 1 and Fig. 2, air outlet guiding device 100 is wrapped
Include：First conducting element 101, the second conducting element 103, air-out passage 105.First conducting element 101 is connected simultaneously with the second conducting element 103
Form air-out passage 105.
In the present embodiment, Fig. 1 to Fig. 3 is referred to, the first conducting element 101 is substantially in open cylindrical shape.In this practicality
In new preferably embodiment, the material selection of the first conducting element 101 is transparent material, and transparent material is easy to observe the first water conservancy diversion
The inside of part 101 whether there is spot, determine whether to need cleaning.Certainly, in other embodiment of the present utility model, the
The shape of one conducting element 101 can be selected according to different demands, for example, the shape of the first conducting element 101 can also be ellipse
Hollow cylindrical shape, hollow cubic etc..Meanwhile, the material of the first conducting element 101 can also be according to different demands
Selected, for example, to when the demand of equipment is light and handy convenient, the material of the first conducting element 101 can be selected as lighter material
Material, the utility model is not limited.First conducting element 101 includes the first main connection end 107, First Contact Connections end 111, air inlet
113。
Specifically, the first main connection end 107 is in flat.Certainly, in other embodiment of the present utility model, the first master
Connection end 107 can differently be selected according to demand, and the utility model is not limited.
Specifically, First Contact Connections end 111 is in bending, and the part of its bending forms water conservancy diversion annular groove (figure is not marked).
Air enters after water conservancy diversion annular groove, can briefly be accelerated in water conservancy diversion annular groove, is the spraying operation savings energy in later stage.When
So, in other embodiment of the present utility model, the concrete shape at First Contact Connections end 111 can be selected according to demand,
The utility model is not limited.First Contact Connections end 111 has two the first straight trip portions in two the first straight trip portions 121 and connection
121 the first curved portions 123.One of them first straight trip portion 121 (one is only marked in Fig. 2) is used for and the first main connection end
107 connections, another the first straight trip portion 121 is the free end at First Contact Connections end 111.The flexibility root of first curved portions 123
Determine that, when required speed is larger, the flexibility of the first curved portions 123 is larger, when required speed according to the required speed of the wind of submitting
When degree is smaller, the flexibility of the first curved portions 123 is smaller, and the utility model is not limited.
Specifically, air inlet 113 is the import of the air after supercharging.Air inlet 113 is shaped as circle, and sets
It is placed between the first main connection end 107 and First Contact Connections end 111.First conducting element 101 is entered by the wind after air inlet 113
Carry out water conservancy diversion operation.Certainly, in other embodiment of the present utility model, the shape of air inlet 113 can be carried out according to demand
Selection, for example, can be rectangle, square, rhombus, triangle etc., the utility model is not limited.
In the present embodiment, Fig. 1 and Fig. 2 and Fig. 4 and Fig. 5 are referred to, the second conducting element 103 is substantially cylindrical.With
First conducting element 101 is identical, and the material selection of the second conducting element 103 is transparent material, and transparent material is easy to observe the second water conservancy diversion
The inside of part 103 whether there is spot, determine whether to need cleaning.Certainly, in other embodiment of the present utility model, the
The shape of two conducting elements 103 can be selected according to different demands, for example, the second conducting element 103 can also be Elliptic Cylinder
Shape, cubic etc..Meanwhile, the material of the second conducting element 103 can also be selected according to different demands, for example, pair setting
Standby demand for it is light and handy convenient when, the material of the second conducting element 103 can be selected as lighter material, and the utility model is not limited
It is fixed.Second conducting element 103 includes the second main connection end 115 and second of connection end 117.Second main connection end 115 and second
Connection end 117 is connected.
Specifically, the second main connection end 115 is used as the portion for being used to be connected with the first conducting element 101 in the second conducting element 103
Position.Second main connection end 115 is connected with the first main connection end 107 by the way of fastening, and eliminates cumbersome welding procedure,
Convenient dismounting and cleaning.Certainly, in other embodiment of the present utility model, the second main connection in main connection end 115 and first
The connected mode at end 107 can be selected according to demand, for example, can select as clamping, bonding etc., the utility model is not done
Limit.
Wherein, the second main connection end 115 is in ramped shaped, and the submitting of wind is easy in the design of ramped shaped.Certainly, it is new in this practicality
In the other embodiment of type, the shape of the second main connection end 115 can be selected according to real needs, and the utility model is not done
Limit.Second main connection end 115 is made up of main connecting portion 131 with time connecting portion 133.Main connecting portion 131 and time phase of connecting portion 133
To setting.Secondary connecting portion 133 is used to be connected with the first main connection end 107.Meanwhile, the second main connection end 115 is by main connecting portion 131
Tilted towards secondary connecting portion 133.Preferably scheme, the ramp slope of the second main connection end 115 is 16 °, works as ramp slope
For 16 ° when, wind after the second conducting element 103 is sent, can produce maximum air velocity and volume.Certainly, in this practicality
In new other embodiment, the ramp slope of the second main connection end 115 can enter according to different situations in certain scope
Row adjustment, for example, when the ramp slope of the second main connection end 115 can be between 13~20 °, can obtain relatively large
Air velocity, the utility model is not limited.
Specifically, second of connection end 117 is connected with the second main connection end 115.Also, second of connection end 117 is used
The mode that gap coordinates is inserted in water conservancy diversion annular groove so that the wind energy sent out from the first conducting element 101 is smoothly entered by gap
Enter the second conducting element 103.Second of connection end 117 has the second curved portions 127 and the second straight trip portion 129.Second curved portions 127
It is connected with the second straight trip portion 129, the second straight trip portion 129 is connected with main connecting portion 131.Second of connection end 117 is provided with non-flat
Multiple fuisw ribs 119 that row is arranged in the mode of the axis direction of water conservancy diversion annular groove.
Wherein, fuisw rib 119 is arranged at second of connection end 117 and the facing one side in First Contact Connections end 111.And
And, fuisw rib 119 extends to the second straight trip portion 129 by the second curved portions 127.The gas sent out after the water conservancy diversion of the first conducting element 101
Stream is after fuisw rib 119, and the flow velocity of its wind is significantly improved, and allows wind to be then exhausted from after forming certain pressure.As preferred
Ground scheme, multiple fuisw ribs 119 are overall in the shape of a spiral so that form spiral helicine air-flow by the wind after fuisw rib 119, and then
The vortex air flow of uniform a small range is formed, help drives more air flows around, so as to reach real natural wind, entered
And the wind for improving the fan blowout of prior art is straight wind and the poor technical problem of water conservancy diversion effect.
In the present embodiment, refering to Fig. 1 and Fig. 2, air-out passage 105 is the first conducting element 101 and the institute of the second conducting element 103
The passage of restriction.Meanwhile, air-out passage 105 is connected with air inlet 113, is easy to enter air-out from the air-flow that air inlet 113 is sent out
Passage 105, is that air-flow accelerates to prepare in air-out passage 105.
In the present embodiment, refering to Fig. 1, air outlet guiding device 100 can also set air intake joint 135 according to demand,
Air intake joint 135 can guarantee that seal of the air-flow before air outlet guiding device 100, prevent the air pressure caused due to gas leakage
The problem of reduction and the air velocity brought due to air pressure reduction are reduced, is that air-flow adds in air outlet guiding device 100
Speed is prepared.
The present embodiment additionally provides a kind of bladeless fan (not shown), includes air outlet guiding device 100.
The air outlet guiding device 100 of embodiment offer of the present utility model and the operation principle of bladeless fan are：
When bladeless fan starts, the power motor set in bladeless fan pedestal is by air admission hole by the sky around pedestal
Gas is quickly sucked in pedestal, and the air of suction accelerates in pedestal by cyclone accelerator, and passes through air outlet guiding device 100
Air intake joint 135 and air inlet 113 be admitted in air outlet guiding device 100.The air-flow of feeding the first conducting element 101 with
Flow and accelerate in the air-out passage 105 that second conducting element 103 is formed.The second conducting element of airflow passes 103 quickly flowed
Fuisw rib 119 after be shot up.Air-flow is after fuisw rib 119, and the flow velocity of its wind is significantly improved, and allows wind to be formed certain
It is then exhausted from after pressure.Also, multiple fuisw ribs 119 are overall in the shape of a spiral so that pass through the wind formation helical form after fuisw rib 119
Air-flow, and then form the vortex air flow of uniform a small range, help drives more air flows around, so as to reach real
Natural wind, and then improve prior art fan blowout wind be straight wind and the poor technical problem of water conservancy diversion effect.Thus phase
Improve the water conservancy diversion efficiency of bladeless fan with answering, more drive the air flow around bladeless fan, increase its effect of enjoying the cool.
Simultaneously there is provided air outlet guiding device 100 structure it is very simple, therefore be also convenient for during the use in later stage cleaning,
Assembling is simple.Also, due to also ensure that the security used accordingly without blade.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of air outlet guiding device, carries out water conservancy diversion, it is characterised in that including cooperating for the air-out to bladeless fan
The first conducting element, the second conducting element and the air-out passage limited by first conducting element and second conducting element；Institute
State the first conducting element including the first main connection end, curl into the First Contact Connections end of water conservancy diversion annular groove and be arranged at described first
The air inlet connected between main connection end and the First Contact Connections end and with the air-out passage；Second conducting element includes
Second main connection end and second of connection end, the first main connection end and the second main connection end connection, and described second
Secondary connection end is inserted in the water conservancy diversion annular groove in the way of gap coordinates, and second of connection end is provided with non-parallel to institute
State guide ring fluted shaft to multiple fuisw ribs for arranging of mode.
2. air outlet guiding device according to claim 1, it is characterised in that the multiple fuisw rib is arranged at described
Secondary connection end and the facing one side in the First Contact Connections end.
3. air outlet guiding device according to claim 1 or 2, it is characterised in that spaced the multiple water conservancy diversion
Muscle is overall in the shape of a spiral.
4. air outlet guiding device according to claim 3, it is characterised in that the First Contact Connections end has two the
One straight trip portion and the first curved portions being connected between described two first straight trip portions, second of connection end have second
Curved portions and the second straight trip portion being connected with second curved portions.
5. air outlet guiding device according to claim 4, it is characterised in that the fuisw rib is by second curved portions
Extend to the second straight trip portion.
6. the air outlet guiding device according to claim 4 or 5, it is characterised in that the second main connection end is in slope
Shape, the second main connection end is made up of the main connecting portion and time connecting portion being oppositely arranged, and the second main connection end is by described
Main connecting portion is tilted to described connecting portion, and the main connecting portion is connected with the second straight trip portion, described connecting portion and institute
State the first main connection end connection.
7. air outlet guiding device according to claim 6, it is characterised in that the ramp slope of the second main connection end
For 13~20 °.
8. air outlet guiding device according to claim 7, it is characterised in that the ramp slope of the second main connection end
For 16 °.
9. air outlet guiding device according to claim 1, it is characterised in that the air outlet guiding device also includes connecting
It is connected to the air intake joint of the air inlet.
10. a kind of bladeless fan, it is characterised in that including the air outlet guiding device any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281183.8U CN206582172U (en) | 2017-03-22 | 2017-03-22 | Air outlet guiding device and bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281183.8U CN206582172U (en) | 2017-03-22 | 2017-03-22 | Air outlet guiding device and bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206582172U true CN206582172U (en) | 2017-10-24 |
Family
ID=60113959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720281183.8U Expired - Fee Related CN206582172U (en) | 2017-03-22 | 2017-03-22 | Air outlet guiding device and bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206582172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210131445A1 (en) * | 2017-10-18 | 2021-05-06 | Xiaoyi Zhu | Bladeless fan |
| CN114508498A (en) * | 2022-03-10 | 2022-05-17 | 陈建元 | Multifunctional bladeless handheld fan |
-
2017
- 2017-03-22 CN CN201720281183.8U patent/CN206582172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210131445A1 (en) * | 2017-10-18 | 2021-05-06 | Xiaoyi Zhu | Bladeless fan |
| CN114508498A (en) * | 2022-03-10 | 2022-05-17 | 陈建元 | Multifunctional bladeless handheld fan |
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| 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: 20171024 |