CN207420929U - A kind of Dual-blade ventilation fan - Google Patents
A kind of Dual-blade ventilation fan Download PDFInfo
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- CN207420929U CN207420929U CN201721575595.9U CN201721575595U CN207420929U CN 207420929 U CN207420929 U CN 207420929U CN 201721575595 U CN201721575595 U CN 201721575595U CN 207420929 U CN207420929 U CN 207420929U
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- flabellum
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- ventilation
- air
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Abstract
The utility model discloses a kind of Dual-blade ventilation fans, belong to air regenerating device technical field.The ventilation fan air charge rate of the prior art is slow, ventilation effect is bad, poor user experience.A kind of Dual-blade ventilation fan, including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate, the long axis one end connects an air inlet flabellum, and the air inlet flabellum is can be to the turbine flabellum of indoor air blowing, and the ventilation flabellum is can be to the centrifugal flabellum of outdoor discharge.The utility model sets centrifugal flabellum and turbine flabellum, gas discharges outdoor under the driving of centrifugal flabellum, turbine flabellum is rotated to indoor air blowing, accelerate the flowing of indoor gas, using turbine flabellum, the gas of turbine flabellum blowout flows around, avoid the gas face user's body of blowout, user experience is good, at the same can gas flowing effectively in accelerating chamber, so as to reach room air it is quick, efficiently, ventilation comprehensively.
Description
Technical field
The utility model is related to a kind of Dual-blade ventilation fans, belong to air regenerating device technical field.
Background technology
Current existing ventilation fan is mainly single flabellum, and indoor air is drawn onto body by the fan assembly of ventilation fan
It is interior and be discharged to outdoor.Its indoor range being applied to often with the angled sector region of ventilation fan air inlet,
The flowing of other regional airs more slowly or is not flowed static, and gas exchange action is extremely difficult to indoor overall region especially four angles
Fall, even if ventilation fan is operating, ventilation effect is poor, directly affects the comfort of people.
Chinese patent（Application number 200820178854.9）A kind of dual direction ventilating fan is disclosed, in being set on unidirectional ventilation fan
Mandrel and wire winding ring, and add frame and bracing wire.Pull bracing wire, so that it may so that ventilation fan can rotate in frame, so as to
The face of ventilation fan outwardly to be gone to inwardly, the opposite is also true.In this way, just reached with unidirectional ventilation fan, to outdoor discharge and to
The purpose of indoor air blowing.But this structure exhaust and air blowing cannot be carried out at the same time, and influence scavenging efficiency.Further, ventilation fan
Inflatable mouth be same, inflatable mouth face user with exhaust outlet, the gas face user's body of blowout, poor user experience.
Utility model content
The defects of for the prior art, the purpose of this utility model is to provide a kind of scavenging efficiency is high, ventilation effect is good,
The good Dual-blade ventilation fan of user experience.
To achieve the above object, the technical solution of the utility model is：
A kind of Dual-blade ventilation fan, including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate, described long axis one end
Portion connects an air inlet flabellum, and the air inlet flabellum is can be to the turbine flabellum of indoor air blowing, and the ventilation flabellum is can be to
The centrifugal flabellum of outdoor discharge.
The utility model sets centrifugal flabellum and turbine flabellum, and the design that leans forward can be used in centrifugal flabellum and turbine flabellum, excellent
Change disengaging wind direction.Gas discharges outdoor under the driving of centrifugal flabellum, and turbine flabellum is rotated to indoor air blowing, accelerates indoor gas
Flowing, using turbine flabellum, turbine flabellum blowout gas flow around, avoid blowout gas face user's body,
User experience is good, at the same can gas flowing effectively in accelerating chamber, so as to reach room air it is quick, efficiently, ventilation comprehensively.
As optimization technique measure, the turbine flabellum includes the stent being fixedly connected with long axis, the annular for winding stent
Inner ring, the fan blades set around one border of annular inner race lateral surface, long axis drive stent and fan blades to rotate, the wind direction of fan blades generation
It is perpendicular with long axis extending direction.The annular inner race of turbine flabellum is used to separate the air-flow of centrifugal flabellum inspiration, prevents inspiration gas
Stream is disorderly.
As optimization technique measure, the fan blades inclination is fixed in annular inner race, height a, the height of annular inner race
It spends and is more than b for b, a, the lower end of fan blades protrudes from annular inner race, simple in structure, practical.
As optimization technique measure, the fan blades end set one is used to limiting the side wall of wind direction, the side wall include with
The first side wall and annular inner race that annular inner race is fixedly connected form the second sidewall of air inlet.The air draught gas of air-flow and body
Stream forms indoor circulation, accelerates indoor speed air flow.Due to centrifugal flabellum and the air intake passage of turbine flabellum
Share, still there is lap in the air inlet region of the two in the inner space of turbine flabellum, can cause air-flow sinuous flow, thus into
Wind passage generates noise.In order to solve above-mentioned phenomenon, annular inner race is designed in turbine flabellum, air-flow is entering turbine flabellum at this time
When two parts are separated by annular inner race：Outmost turns air-flow enters turbine flabellum, and middle air flow then directly passes through annular inner race
Air inlet enters centrifugal flabellum.Turbine flabellum blows out the gas sucked for 360 ° from gas outlet, fast so as to reach room air
Speed is taken a breath efficiently, comprehensively, and two flabellums air inlet region is non-interference, steady air current, so as to achieve the purpose that reduce noise.
As optimization technique measure, the long axis wears centrifugal flabellum, turbine flabellum, the centrifugal flabellum and turbine successively
First panel between flabellum is set, avoids interfering with each other during two kinds of flabellum work.
As optimization technique measure, the first opening of ventilation, the side with turbine fan blades are opened up among the first panel
Wall is adjacent, and since gas is from the first opening into centrifugal flabellum, first panel adjacent wall sets, gas is avoided disorderly to enter, is prevented
Inspiration air turbulence.
As optimization technique measure, first edge of opening set with certain taper convenient for the first of air flow
Taper face reduces gas flow resistance, accelerates gas flowing.
As optimization technique measure, cover sets a mask below first taper face, and the mask centre position is set
Several hollow holes, border edge set supporting leg, and the mask is connected with first panel by supporting leg, is kept between two panels
Certain distance forms the gas outlet of air blowing, and mask is set to avoid sucking excessive impurity, flabellum is caused to wear.Turbine flabellum
Outlet air is discharged from gas outlet, sets gas outlet, and the indoor air with the utility model inner cavity of partition provides turbine flabellum outlet air wind
Road avoids indoor outlet air from entering the utility model inner cavity, reduces wind loss, improves flabellum discharge quantity of fan, makes outlet air more suitable
Freely, efficiency is increased.
As optimization technique measure, second panel is equipped between the first panel and mask, the second panel opens up
For wearing the second of turbine fan blades the opening, the turbine fan blades protrudes from second panel and is provide with wherein by mask, sets the
Two panels are convenient for fixed mask.
As optimization technique measure, described long axis the other end connects a driving source, and the driving source is electric rotating machine, institute
State the end that driving source is installed on a snail like housing, the snail like housing include accommodating the accommodating chamber of centrifugal flabellum with
And for the discharge chamber of outdoor discharge, centrifugal flabellum to rotate, and peripheral gas is flowed to discharge chamber so that the gas in accommodating chamber
Pressure drop is low, into the gas driven below mask, successively by the stent of turbine flabellum, air passage, constantly flows into accommodating chamber, holds
Receive chamber gas under the driving of centrifugal flabellum, flow direction exhaust cavity, and then discharge from discharge chamber outdoor.It is simple in structure, practical.
Compared with prior art, the utility model has the advantages that：
The utility model sets centrifugal flabellum and turbine flabellum, gas to discharge outdoor, turbine under the driving of centrifugal flabellum
It blows in fan blade rotating trend room, accelerates the flowing of indoor gas, using turbine flabellum, the gas of turbine flabellum blowout flows around
It is dynamic, the gas face user's body of blowout is avoided, user experience is good, while gas can be flowed effectively in accelerating chamber, so as to reach
To quick, efficient, the comprehensive ventilation of room air.
Further, the air draught air-flow of air-flow and body forms indoor circulation, accelerates indoor speed air flow.
Since centrifugal flabellum and the air intake passage of turbine flabellum share, the air inlet region of the two still has in the inner space of turbine flabellum
Lap can cause air-flow sinuous flow, so as to generate noise in air intake passage.In order to solve above-mentioned phenomenon, set in turbine flabellum
Annular inner race is counted, air-flow separates two parts when into turbine flabellum by annular inner race at this time：Outmost turns air-flow enters turbine fan
Leaf, and middle air flow then directly enters centrifugal flabellum by the air inlet of annular inner race.Turbine flabellum by the gas sucked from
The blowout of 360 ° of gas outlet, so as to reach quick, efficient, the comprehensive ventilation of room air, two flabellums air inlet region is non-interference, air-flow
Stablize, so as to achieve the purpose that reduce noise.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model positive structure schematic；
Fig. 3 is the utility model part-structure schematic diagram（Do not include mask, protective shell）；
Fig. 4 is the utility model fan assembly and turbine flabellum assembling schematic diagram；
Fig. 5 is the utility model centrifugal flabellum and turbine flabellum assembling schematic diagram；
Fig. 6 is the utility model turbine blade structure schematic diagram；
Fig. 7 is the utility model turbine flabellum knead dough plate component exploded perspective view；
Fig. 8 is utility model works schematic diagram；
Fig. 9 is close-up schematic view at A in Fig. 8.
Reference sign：
1- centrifugal flabellums, 2- long axis, 3- turbine flabellums, 4- electric rotating machines, 5- first panels, 6- second panels, 7- masks,
8- protective shells, 9- snail like housings, 31- stents, 32- fan blades, 33- annular inner races, 341- the first side walls, 342- second sidewalls,
35- air inlets, 51- first are open, and the first taper faces of 52-, 61- second is open, the second taper faces of 62-, 71- hollow holes, 72- branch
Leg, 91- accommodating chambers, 92- discharge chambers, 67- gas outlets.
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, is further elaborated the utility model.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.
On the contrary, the utility model cover it is any be defined by the claims do in the spirit and scope of the utility model
Replacement, modification, equivalent method and scheme.Further, it is right below in order to which the public is made to have a better understanding the utility model
It is detailed to describe some specific detail sections in the datail description of the utility model.Do not have for a person skilled in the art
The description of these detail sections can also understand the utility model completely.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
There is no intermediary elements.Term as used herein " on ", " under " and similar statement is for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.Term as used herein is intended merely to the mesh of description specific embodiment
, it is not intended that limitation the utility model.
As shown in figs. 1-7, a kind of Dual-blade ventilation fan, the long axis 2 including ventilation flabellum and drive ventilation flabellum rotation,
2 one end of long axis connects an air inlet flabellum, and the other end connects a driving source.The air inlet flabellum is that can be blown to interior
The turbine flabellum 3 of gas, the ventilation flabellum is can be to the centrifugal flabellum 1 of outdoor discharge.The driving source is electric rotating machine 4,
The driving source is installed on the end of a snail like housing 9, and the snail like housing 9 includes accommodating the appearance of centrifugal flabellum 1
Receive chamber 91 and for the discharge chamber 92 of outdoor discharge.Electric rotating machine 4, centrifugal flabellum and snail like housing 9 form blower fan group
Part, centrifugal flabellum 1 and turbine flabellum 3 are fixed respectively by clamp spring, positioning pin and the nut on long axis 2, can also use other axis
It fixes, and can rotate together with to fixing means.
The turbine flabellum 3 includes the stent 31 being fixedly connected with long axis 2, the annular inner race 33 for winding stent 31, around ring
The fan blades 32 that 33 lateral surface of shape inner ring, one border is set, long axis 2 drive stent 31 and fan blades 32 to rotate, the wind that fan blades 32 generates
To perpendicular with 2 extending direction of long axis.
The inclination of fan blades 32 is fixed in annular inner race 33, height a, and the height of annular inner race 33 is b, a
More than b, the lower end of fan blades 32 protrudes from annular inner race 33.32 end set one of fan blades is used to limit the side wall of wind direction,
The side wall includes the first side wall 341 being fixedly connected with annular inner race 33, the second of air inlet 35 is formed with annular inner race 33
Sidewall 34 2.
The long axis 2 wears centrifugal flabellum 1, turbine flabellum 3 successively, is set between the centrifugal flabellum 1 and turbine flabellum 3
First panel 5.
The first opening 51 of ventilation is opened up among the first panel 5, it is adjacent with the side wall of turbine flabellum 32.Described
One edge of opening sets the first taper face 52 convenient for air flow with certain taper.
Second panel 6 is equipped between the first panel 5 and mask 7, the second panel 6 opens up to wear turbine fan
Second opening 61 of leaf 32, the second edge of opening open up the second taper face, and the turbine flabellum 32 protrudes from second panel 6 and quilt
Mask 7 is provide with wherein.Cover sets a mask 7 below first taper face, and 7 centre position of mask sets several hollow holes
71, border edge sets supporting leg 72, and the mask 7 is connected with second panel 65 by supporting leg 72, is kept between two panels
Certain distance forms the gas outlet 67 of air blowing.
First panel 5, second panel 6 and mask 7 form panel assembly, and the back side of first panel 5 is equipped with corresponding snail like
First panel 5 can be fixed on fan assembly by the connection structure on housing 9, and in snail like housing 9 and turbine flabellum 3
Middle part.6 opening of second panel is equipped with back-off, and spring pressure ring can be used to be fixed on wind through corresponding opening in first panel 5
In thermomechanical components, it can equally be buckled with other snak links, at this time by first panel 5, second panel 6 and fan assembly are fixed
It completes, then mask 7 is screwed in second panel 6.
Utility model works principle as shown in Figure 8,9：
When electric rotating machine 4 drives long axis 2 to rotate, and then long axis 2 drives centrifugal flabellum 1 and turbine flabellum 3 to rotate together with.
Since first panel 5 and second panel 6 are equipped with the opening of certain taper, connection accommodating chamber 91, the air passage of discharge chamber 92 are formed, from
Heart flabellum 1 rotates, and peripheral gas is flowed to discharge chamber 92 so that the air pressure in accommodating chamber 91 reduces, into 7 lower section of drive mask
Gas, successively by hollow hole 71, the stent 31 of turbine flabellum 32, air passage, constantly flow into accommodating chamber 91, accommodating chamber 91
Gas under the driving of centrifugal flabellum 1, discharge outdoor from discharge chamber 92.
The air draught air-flow H-shaped of air-flow F and body accelerates indoor speed air flow into indoor circulation.Due to
Centrifugal flabellum 1 and the air intake passage of turbine flabellum 3 share, and the air inlet region of the two still has in the inner space of turbine flabellum 3
Lap can cause air-flow sinuous flow, so as to generate noise in air intake passage.In order to solve above-mentioned phenomenon, set in turbine flabellum 3
Annular inner race 33 is counted, air-flow H separates two parts when into turbine flabellum 3 by annular inner race 33 at this time：Outmost turns air-flow enters
Turbine flabellum 3, and middle air flow then directly enters centrifugal flabellum 1 by annular inner race 33.The gas that turbine flabellum 3 will be sucked
From the blowout of 360 ° of gas outlet, so as to reach quick, efficient, the comprehensive ventilation of room air, two flabellums air inlet region is non-interference, gas
Stream is stablized, so as to achieve the purpose that reduce noise.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of Dual-blade ventilation fan, including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate（2）, which is characterized in that
The long axis（2）One end connects an air inlet flabellum, and the air inlet flabellum is can be to the turbine flabellum of indoor air blowing（3）, institute
Ventilation flabellum is stated as can be to the centrifugal flabellum of outdoor discharge（1）.
A kind of 2. Dual-blade ventilation fan as described in claim 1, which is characterized in that the turbine flabellum（3）Including with long axis
（2）The stent being fixedly connected（31）, winding stent（31）Annular inner race（33）, around annular inner race（33）One border of lateral surface is set
The fan blades put（32）, long axis（2）Drive stent（31）And fan blades（32）It rotates, fan blades（32）The wind direction and long axis of generation（2）
Extending direction is perpendicular.
A kind of 3. Dual-blade ventilation fan as claimed in claim 2, which is characterized in that the fan blades（32）Annular is fixed in inclination
Inner ring（33）On, height a, annular inner race（33）Height for b, a is more than b, fan blades（32）Lower end protrude from
Annular inner race（33）.
A kind of 4. Dual-blade ventilation fan as claimed in claim 3, which is characterized in that the fan blades（32）End set one is used for
The side wall of wind direction is limited, the side wall includes and annular inner race（33）The first side wall being fixedly connected（341）With annular inner race
（33）Form air inlet（35）Second sidewall（342）.
A kind of 5. Dual-blade ventilation fan as claimed in claim 4, which is characterized in that the long axis（2）Centrifugal fan is worn successively
Leaf（1）, turbine flabellum（3）, the centrifugal flabellum（1）With turbine flabellum（3）Between first panel is set（5）.
A kind of 6. Dual-blade ventilation fan as claimed in claim 5, which is characterized in that the first panel（5）Centre opens up logical
First opening of gas（51）, with turbine flabellum（3）Side wall it is adjacent.
7. a kind of Dual-blade ventilation fan as claimed in claim 6, which is characterized in that first edge of opening, which is set, has one
Determine the first taper face convenient for air flow of taper（52）.
8. a kind of Dual-blade ventilation fan as claimed in claim 7, which is characterized in that cover sets one below first taper face
Mask（7）, the mask（7）Centre position sets several hollow holes（71）, border edge sets supporting leg（72）, the mask
（7）Pass through supporting leg（72）With first panel（5）It is connected, certain distance is kept between two panels, forms the gas outlet of air blowing
（67）.
A kind of 9. Dual-blade ventilation fan as claimed in claim 8, which is characterized in that the first panel（5）With mask（7）It
Between be equipped with second panel（6）, the second panel（6）It opens up to wear turbine flabellum（3）Second opening（61）, the whirlpool
Take turns flabellum（3）Protrude from second panel（6）And by mask（7）It is provide with wherein.
A kind of 10. Dual-blade ventilation fan as described in claim 1-9 is any, which is characterized in that the long axis（2）The other end
A driving source is connected, the driving source is electric rotating machine（4）, the driving source is installed on a snail like housing（9）End, institute
State snail like housing（9）Including being used to accommodate centrifugal flabellum（1）Accommodating chamber（91）And for the discharge chamber of outdoor discharge
（92）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575595.9U CN207420929U (en) | 2017-11-22 | 2017-11-22 | A kind of Dual-blade ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575595.9U CN207420929U (en) | 2017-11-22 | 2017-11-22 | A kind of Dual-blade ventilation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420929U true CN207420929U (en) | 2018-05-29 |
Family
ID=62304312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721575595.9U Active CN207420929U (en) | 2017-11-22 | 2017-11-22 | A kind of Dual-blade ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105122A (en) * | 2017-11-22 | 2018-06-01 | 奥普家居股份有限公司 | A kind of Dual-blade ventilation fan |
-
2017
- 2017-11-22 CN CN201721575595.9U patent/CN207420929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105122A (en) * | 2017-11-22 | 2018-06-01 | 奥普家居股份有限公司 | A kind of Dual-blade ventilation fan |
| CN108105122B (en) * | 2017-11-22 | 2024-03-29 | 奥普家居股份有限公司 | Double-blade ventilator |
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