CN109185226A - Ceiling fan and its flabellum - Google Patents
Ceiling fan and its flabellum Download PDFInfo
- Publication number
- CN109185226A CN109185226A CN201811245147.1A CN201811245147A CN109185226A CN 109185226 A CN109185226 A CN 109185226A CN 201811245147 A CN201811245147 A CN 201811245147A CN 109185226 A CN109185226 A CN 109185226A
- Authority
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- China
- Prior art keywords
- blade
- main body
- mounting portion
- flabellum
- strengthening segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241000883990 Flabellum Species 0.000 title claims abstract description 108
- 238000005728 strengthening Methods 0.000 claims description 66
- 230000007704 transition Effects 0.000 claims description 24
- 230000001133 acceleration Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/088—Ceiling fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of ceiling fan and its flabellum.The flabellum includes: the mounting portion for being installed on ceiling fan wheel hub;It is set to the main body blade of the mounting portion, and is radially stretched out, for compressing and accelerating to air-flow;And it is set to the incision blade of the mounting portion, it radially stretches out, and connect in radial directions with the main body blade, outer profile of the incision blade far from main body blade side is easement curve.When ceiling fan shift, edge shape is that the incision blade of easement curve can reduce impact of the air-flow to incision blade, and CENTRIFUGAL ACCELERATING flabellum compressed gas dignity gradually changes, and then jitter problem when ceiling fan operation is reduced, guarantee ceiling fan even running, reduces noise, turbulent flow is reduced, air quantity is increased.
Description
Technical field
The present invention relates to fan apparatus technical fields, more particularly to a kind of ceiling fan and its flabellum.
Background technique
For current ceiling fan, flabellum thereon does rotary motion, to form outlet air air-flow.Ceiling fan starting shift
When, centrifugal acceleration meeting consecutive variations can satisfy different outlet air demands.But because of centrifugal acceleration when ceiling fan shift
Consecutive variations it is easy to form shake it is unstable, influence air-out effect, while also will affect the operation stability of ceiling fan.
Summary of the invention
Based on this, it is necessary to because the consecutive variations of centrifugal acceleration are easy to produce shake when shifting gears for current ceiling fan
Problem provides a kind of ceiling fan and its flabellum for avoiding shake.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of flabellum, comprising:
It is installed on the mounting portion of ceiling fan wheel hub;
It is set to the main body blade of the mounting portion, and is radially stretched out, for compressing and accelerating to air-flow;With
And
Be set to the incision blade of the mounting portion, radially stretch out, and in radial directions with the main body leaf
Piece connection, outer profile of the incision blade far from main body blade side is easement curve.
The easement curve includes at least one section of arc curve in one of the embodiments,;
And/or the radius of the easement curve is 3000mm~4000mm.
The flabellum further includes the first connection blade in one of the embodiments, be smoothly connected the main body blade with
The incision blade, the width of the first connection blade is from one end close to the mounting portion to the separate mounting portion
One end is gradually reduced.
The first connection blade includes the first strengthening segment and First Transition section in one of the embodiments, described
One end of first strengthening segment is connect with the mounting portion, and the other end of first strengthening segment is connect with the First Transition section,
The incision blade and the main body blade antarafacial is arranged in first strengthening segment, and the First Transition section is smoothly connected institute
State incision blade and the main body blade.
There are preset heights along the axial direction of the wheel hub for first strengthening segment in one of the embodiments, and
The preset height is gradually reduced from one end close to the mounting portion to one end far from the mounting portion, and described first adds
The width of strong section is gradually reduced from one end close to the mounting portion to one end far from the mounting portion.
The width of the width of the First Transition section and first strengthening segment junction in one of the embodiments,
It is consistent, and the width of the First Transition section is reinforced from the one end connecting with first strengthening segment to far from described first
One end of section is gradually reduced.
The range of the preset height is 2mm~4mm in one of the embodiments,;
And/or first strengthening segment and the junction of the mounting portion are reinforced to the mounting portion far from described first
The distance of Duan Yiduan is 39mm~65mm;
And/or the junction of the First Transition section and first strengthening segment to the main body blade far from the peace
The distance of the one end in dress portion is 15mm~35mm.
The flabellum further includes the back blades for being set to the mounting portion in one of the embodiments, radially
It stretches out, and is connect in radial directions with the main body blade, and the back blades is located at the main body blade and cuts far from described
Enter the side of blade.
The flabellum further includes the second connection blade in one of the embodiments, the round and smooth connection main body blade with
The back blades, the width of the second connection blade is from one end close to the mounting portion to one far from the mounting portion
End gradually increases.
The second connection blade includes the second strengthening segment and the second changeover portion in one of the embodiments, described
One end of second strengthening segment is connect with the mounting portion, and the other end of second strengthening segment is connect with second changeover portion,
Second strengthening segment makes the back blades relative to the main body blade bent, described in the round and smooth connection of the second changeover portion
Back blades and the main body blade.
In one of the embodiments, second strengthening segment far from second changeover portion one end radius be 2~
5mm;
Radius of second changeover portion far from second strengthening segment one end is 80mm~180mm.
There are the first angle, the pairs between the incision blade and the main body blade in one of the embodiments,
There are the second angle between blade and the main body blade, and the incision blade and the back blades are towards the main body leaf
It is tilted at the same surface of piece;
And/or first strengthening segment is structure as a whole with the First Transition section, second strengthening segment with it is described
Second changeover portion is structure as a whole, the mounting portion, the main body blade, the incision blade, the back blades, described
One connection blade and the second connection blade are structure as a whole;
And/or the mounting portion, for installing to the mounting hole of the wheel hub, the mounting hole is remote with the mounting portion
It is 9mm~15mm with a distance from main body blade one end.
A kind of ceiling fan, including wheel hub and multiple flabellums as described in any of the above-described technical characteristic;
Multiple flabellums are distributed along the side of the wheel hub.
After adopting the above technical scheme, the present invention at least has the following technical effect that
Ceiling fan and its flabellum of the invention, edge shape are that the incision blade of easement curve can guide air-flow to flow, just
Blade is cut in introducing extraneous air-flow, and then enters main body blade through cutting blade, air-flow is carried out by main body blade
It is sent out after compression and acceleration processing.Because the consecutive variations of centrifugal acceleration are easy to produce when the current ceiling fan of effective solution is shifted gears
The problem of shake.In this way when ceiling fan is shifted gears, edge shape is that the incision blade of easement curve can reduce air-flow to incision leaf
The impact of piece, CENTRIFUGAL ACCELERATING flabellum compressed gas dignity gradually change, and guarantee ceiling fan even running, reduce noise, reduce turbulent flow,
Increase air quantity.
Detailed description of the invention
Fig. 1 is the perspective view of the flabellum of one embodiment of the invention;
Fig. 2 is the main view of flabellum shown in FIG. 1;
Fig. 3 is the cross-sectional view at A-A described in Fig. 2;
Fig. 4 is the cross-sectional view at B-B described in Fig. 2;
Fig. 5 is the cross-sectional view at C-C described in Fig. 2;
Fig. 6 is the cross-sectional view at D-D described in Fig. 2;
Fig. 7 is the cross-sectional view at E-E described in Fig. 2;
Fig. 8 is the cross-sectional view at G-G described in Fig. 2;
Fig. 9 is the cross-sectional view at H-H described in Fig. 2.
Wherein:
100- flabellum;
110- mounting portion;111- mounting hole;
120- main body blade;
130- cuts blade;
The connection blade of 140- first;The first strengthening segment of 141-;142- First Transition section;
150- back blades;
The connection blade of 160- second;The second strengthening segment of 161-;The second changeover portion of 162-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines
Ceiling fan and its flabellum of the invention is further elaborated in attached drawing.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " left side ",
The orientation or position of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature
But fisrt feature is directly above or diagonally above the second feature above the second feature " above ", " above " and " above ", or only table
Show that first feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
Fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Fig. 1 and Fig. 2, the present invention provides a kind of flabellum 100.The flabellum 100 is mainly used in ceiling fan.Certainly, exist
In other embodiments of the invention, flabellum 100 can also be applied in other kinds of fan, such as sit fan, stand fan
Deng., can be to avoid ceiling fan when starting shift after ceiling fan uses flabellum 100 of the invention, the jitter problem of generation guarantees to hang
Even running is fanned, noise is reduced, reduces turbulent flow, increases air quantity.
In one embodiment, flabellum 100 includes mounting portion 110, main body blade 120 and incision blade 130.Mounting portion
110 are installed on the wheel hub of ceiling fan.Flabellum 100 may be implemented in this way to be installed on wheel hub.When ceiling fan is run, wheel hub can drive fan
Leaf 100 rotates, and is gone out wind with rough air.It should be understood that the root of flabellum 100 refers to what flabellum 100 was connect with wheel hub
One end, the tail portion of flabellum 100 refer to the one end of flabellum 100 far from wheel hub.
Optionally, mounting portion 110 is for installing to the mounting hole 111 of wheel hub.Fixing piece such as screw element etc. may pass through installation
Hole 111 is installed on wheel hub, realizes that mounting portion 110 is installed on wheel hub, and then guarantee that flabellum 100 is reliably installed on wheel hub,
It avoids flabellum 100 from being detached from wheel hub under the action of the centrifugal force, guarantees that ceiling fan reliably operates.Optionally, mounting hole 111 and mounting portion
110 distances far from 120 one end of main body blade are 9mm~15mm.That is, the peace of mounting hole 111 and 100 head of flabellum
The distance between 110 end of dress portion is 9mm~15mm.It can guarantee that flabellum 100 is in best impetus in this way, avoid flabellum
100 tail portion tenesmus.Also, as shown in Figure 4, mounting portion 110 is step structure, and the surface with mounting hole 111 is lower than peace
The surface in dress portion 110 and 120 junction of main body blade.
Referring to Fig. 1 and Fig. 2, main body blade 120 is set to mounting portion 110, and radially stretches out.Cut blade 130
It is set to mounting portion 110, is radially stretched out, and is connect in radial directions with main body blade 120.That is, main body
One end of blade 120 is connect with mounting portion 110, and the direction that the other end of main body blade 120 is directed away from mounting portion 110 is stretched out.
It is the tail portion of flabellum 100 at S2 as shown in Figure 1, being the stem of 100 blade of flabellum at the region S1.The stem of main body blade 120
It is connect with mounting portion 110, the tail portion of main body blade 120 is vacantly arranged.
One end of incision blade 130 is connect with mounting portion 110, and the other end of incision blade 130 is directed away from mounting portion
110 direction is stretched out.That is, the stem of incision blade 130 is connect with mounting portion 110, the tail portion of incision blade 130 is outstanding
Sky setting.Also, main body blade 120 is arranged in parallel with incision blade 130 along the radial direction of wheel hub, the side of main body blade 120
Side is connect with the side of incision blade 130.
Incision blade 130 facilitates airflow into main body blade 120 for introducing air-flow.Main body blade 120 is used for gas
Stream compression and acceleration.When ceiling fan is run, air-flow enters flabellum 100 from incision blade 130, and by 120 compression acceleration of main body blade
After send out, can increase wind-force in this way, improve wind speed.In this manner it is ensured that the air output of ceiling fan, the difference for meeting user makes
With demand, guarantee comfort level when using.
Cutting outer profile of the blade 130 far from 120 side of main body blade is easement curve.Easement curve refers to planar line
In shape, the curve for the continual curvature variation being arranged between straight line and circular curve, circular curve and circular curve.It should be understood that slow
It is usually applied in highway with curve, by gradually changing for curvature, adapts to the driving trace and route of motor turning operation
It is smooth, mitigate the mutation of direction of traffic and the unexpected generation of centrifugal force;Centrifugal acceleration is gradually changed, will not occur lateral
Impact, and superelevation is mitigated, as the changeover portion of superelevation variation, to reduce driving concussion.
Easement curve is constant velocity spiral, i.e. Archimedian screw shape, can be done manual work simultaneously.In the present invention, incision
After the edge of blade 130 uses easement curve, the edge of incision blade 130 moves at the uniform velocity, and can do simultaneously to air-flow
Work.In this way, impact of the air-flow to incision blade 130 can be reduced behind the edge and air flow contacts of incision blade 130, make flabellum
100 centrifugal acceleration gradually changes, and then reduces jitter problem when ceiling fan operation, guarantees ceiling fan even running.
In one embodiment, easement curve includes at least one section of arc curve.That is, easement curve can be one section
Arc curve, can also be spliced for multistage arc curve.In this way, can reach reduces air-flow to incision blade 130
The purpose of impact gradually changes the centrifugal acceleration of flabellum 100, and then reduces jitter problem when ceiling fan operation, guarantees to hang
Fan even running.Optionally, the radius of easement curve is 3000mm~4000mm.It can guarantee easement curve in this way
Curvature, so that the air-flow smooth flow in incision blade 130, reduces impact.
Referring to Fig. 1 to Fig. 9, in one embodiment, flabellum 100 further includes the first connection blade 140, is smoothly connected main body
Blade 120 and incision blade 130.First connection blade 140 can increase the intensity of flabellum 100, avoid flabellum 100 by gas
Impact failure is flowed, guarantees the reliability of flabellum 100.First connection blade 140 width from close to mounting portion 110 one end to
One end far from mounting portion 110 is gradually reduced.It can guarantee that connection is strong between incision blade 130 and main body blade 120 in this way
While spending, reduce windage.It should be noted that the width in the present invention refers to the size along wheel hub circumferential direction.
It should be understood that the stem of flabellum 100, that is, main body blade 120 is biggish strong close to one end of mounting portion 110 needs
Degree, to guarantee that wheel hub drives flabellum 100 to rotate;The tail portion of flabellum 100, that is, main body blade 120 is needed far from one end of mounting portion 110
Lesser intensity is wanted, to reduce turbulent flow, increases air quantity.Therefore, first connection blade 140 close to mounting portion 110 width compared with
Width, in the narrower width far from 110 one end of mounting portion.
According to hydrodynamics and finite element analysis, the root of flabellum 100 needs larger intensity, and tail portion does not need then larger
Intensity, by first connection blade be divided into the first strengthening segment 141 and First Transition section 142.One end of first strengthening segment 141
It is connect with mounting portion 110, the other end of the first strengthening segment 141 is connect with First Transition section 142.First strengthening segment 141 makes to cut
Blade 130 and 120 antarafacial of main body blade are arranged, and First Transition section 142 is smoothly connected incision blade 130 and main body blade 120.
First strengthening segment 141 can be reinforced cutting the intensity between blade 130 and main body blade 120, to increase flabellum
100 intensity improves the shock resistance gas flow capability of flabellum 100, improves the reliability of flabellum 100.First Transition section 142 is smooth
After connection incision blade 130 and main body blade 120, it is possible to reduce turbulent air flow to guarantee that air-flow runs smoothly, and then guarantees
Flabellum 100 runs smoothly, and reduces the shaking of flabellum 100.Moreover, the first strengthening segment 141 makes to cut blade 130 and main body blade
After the setting of 120 antarafacials, impact of the air-flow to the first strengthening segment 141 can be reduced, is subtracted while reinforcing the intensity of flabellum 100
The shaking of small flabellum 100 reduces noise.
In one embodiment, the first strengthening segment 141 along the axial direction of wheel hub there are preset height, and preset height from
It is gradually reduced close to one end of mounting portion 110 to one end far from mounting portion 110, the width of the first strengthening segment 141 is from close to peace
The one end in dress portion 110 is gradually reduced to one end far from mounting portion 110.That is, in the axial direction, cutting blade 130
It is obliquely installed, and larger in the inclined size of the stem of flabellum 100, in the tail portion of flabellum 100, inclination size is smaller, this
Sample can guarantee that flabellum 100 has the bonding strength of enough 100 roots of flabellum.Optionally, the range of preset height is 2mm
~4mm.
In one embodiment, the width of First Transition section 142 is consistent with the width of 141 junction of the first strengthening segment, and
The width of First Transition section 142 from the one end being connect with the first strengthening segment 141 to far from the first strengthening segment 141 one end gradually
Reduce.First Transition section 142 can guide air-flow to flow, and reduce gas shock, reduce turbulent flow.Also, First Transition section
142 size is gradually decrease to zero.In this way, the tail portion of flabellum 100 can be made to be a flat surface, flabellum 100 is further decreased
Turbulent flow increases air quantity.
Also, as can be known from Fig. 3, mounting portion 110 and the junction of main body blade 120 are coplanar with, and can be guaranteed in this way
Main body blade 120 is connect reliably with mounting portion 110.In one embodiment, the junction of the first strengthening segment 141 and mounting portion 110
Distance to mounting portion 110 far from 141 one end of the first strengthening segment is 39mm~65mm.That is, incision blade 130 and peace
The junction in dress portion 110 is to cut blade 130, mounting portion 110 and the common junction of main body blade 120 to mounting portion 110 far
It is 39mm~65mm from the distance between incision blade 130.That is the first strengthening segment 141 from mounting hole 111 deviate
30mm~50mm starts to do the drop plane of preset height, and the height of drop plane chooses 2mm~4mm.It can guarantee in this way
The intensity of flabellum 100.
Moreover, the junction of First Transition section 142 and the first strengthening segment 141 is to main body blade 120 far from mounting portion 110
One end distance be 15mm~35mm.That is, the place of being smoothly connected is to incision blade 130 far from the mounting portion 110 1
The distance at end is 15mm~35mm.Plane is done at 100 tail end 15mm~35mm of flabellum and is mitigated in incision blade 130 connects
It connects, to reduce the turbulent flow of 100 tail portion of flabellum, increases air quantity.
Be illustrated on the basis of direction up and down shown in Fig. 2, Fig. 4 to Fig. 9 be Fig. 2 flabellum 100 from right to left
The successively sectional view in section.As can be seen from Figure 5, non-coplanar between incision blade 130 and main body blade 120, that is, cut blade 130
There is certain spacing in the lateral direction with main body blade 120.From right to left through Fig. 6 to Fig. 9, blade 130 and main body are cut
The spacing of blade 120 in the lateral direction is gradually reduced.
In the present embodiment, the first connection blade 140 can be smoothly connected main body blade 120 and incision blade 130.Also
It is to say, the first connection blade 140 is inclined surface, connects main body blade 120 and incision blade 130, inclined surface by inclined surface
Air-flow can be guided to flow.Also, the width of inclined surface is gradually reduced along the stretching direction of incision blade 130, can guaranteed
While 100 root intensity of flabellum, reduce the turbulent flow of 100 tail portion of flabellum, increases air quantity.Certainly, in other implementations of the invention
In mode, first connects blade 140 also round and smooth connection main body blade 120 and incision blade 130.Moreover, incision blade 130 with
It is smoothly connected between main body blade 120 by the first connection blade 140, the first connection blade 140 is from right to left with incision leaf
Spacing reduces that its height dimension is also corresponding to be reduced between piece 130 and main body blade 120.
In one embodiment, flabellum 100 further includes the back blades 150 for being set to mounting portion 110, is radially stretched out,
And it is connect in radial directions with main body blade 120, and back blades 150 is located at main body blade 120 far from incision blade 130
Side.Back blades 150 is used to carry out second compression again to the air-flow of main body blade 120 and accelerate, to be formed in unit area
Bigger wind direction blowout improves wind speed to increase wind-force.
It should be understood that back blades 150 and incision blade 130 are located at two sides of main body blade 120.Incision
After air-flow is introduced flabellum 100 by blade 130, main body blade 120 can be directed flow into, after 120 compression acceleration of main body blade
Into back blades 150, then by back blades 150 to being sent out after air-flow compression acceleration.
In one embodiment, flabellum 100 further includes the second connection blade 160, round and smooth connection main body blade 120 and accessory lobes
Piece 150.Second connection blade 160 can increase the intensity of flabellum 100, avoid flabellum 100 from being damaged by gas shock, guarantee
The reliability of flabellum 100.Meanwhile second connection blade 160 can also reduce windage, increase air quantity.
Second connection blade 160 width from close to mounting portion 110 one end to far from mounting portion 110 one end gradually
Increase.Windage can be reduced while guaranteeing bonding strength between back blades 150 and main body blade 120 in this way, increase wind
Amount.It should be understood that the root of flabellum 100, that is, main body blade 120 needs lesser windage close to one end of mounting portion 110;Fan
The tail portion of leaf 100, that is, main body blade 120 needs biggish air quantity far from one end of mounting portion 110.Therefore, the second connection blade
160 in the narrower width close to mounting portion 110, in the wider width far from 110 one end of mounting portion.
According to hydrodynamics and finite element analysis, the root of flabellum 100 needs larger intensity, and tail portion does not need then larger
Intensity.Therefore, the second connection blade is divided into the second strengthening segment 161 and the second changeover portion 162, the second strengthening segment 161
One end is connect with mounting portion 110, and the other end of the second strengthening segment 161 is connect with the second changeover portion 162, and the second strengthening segment 161 makes
Back blades 150 is bent relative to main body blade 120, the round and smooth connection back blades 150 of the second changeover portion 162 and main body blade 120.
Second strengthening segment 161 can reinforce the intensity between back blades 150 and main body blade 120, to increase flabellum 100
Intensity, improve flabellum 100 shock resistance gas flow capability, improve flabellum 100 reliability.The round and smooth connection of second changeover portion 162
After back blades 150 and main body blade 120, it is possible to reduce turbulent air flow to increase air quantity, while can also guarantee that air-flow is run
Steadily, and then guarantee that flabellum 100 runs smoothly, reduce the shaking of flabellum 100, reduce noise.Moreover, the second strengthening segment 161 makes
After back blades 150 is bent relative to main body blade 120, air-flow can be reduced to the while reinforcing the intensity of flabellum 100
The impact of two strengthening segments 161 reduces the shaking of flabellum 100.
In the present embodiment, the second connection blade 160 can round and smooth connection main body blade 120 and back blades 150.Namely
It says, the second connection blade 160 is arc surface, connects main body blade 120 and back blades 150 by arc surface, arc surface can draw
Flow guide flowing.Also, the width of arc surface is gradually reduced along the stretching direction of back blades 150, can reduce flabellum 100
Windage increases air output.Certainly, in other embodiments of the invention, the second connection blade 160 is also smoothly connected main body
Blade 120 and back blades 150.
Optionally, radius of second strengthening segment 161 far from described second changeover portion, 162 one end is 2mm~5mm.In this way may be used
While to guarantee 100 intensity of flabellum, reduce windage.Second changeover portion 162 far from described second strengthening segment, 161 one end half
Diameter is 80mm~180mm.Turbulent air flow can be reduced in this way, reduce the vibration of flabellum 100.
Be illustrated on the basis of direction up and down shown in Fig. 2, Fig. 4 to Fig. 9 be Fig. 2 flabellum 100 from right to left
The successively sectional view in section.It was found from each attached drawing: passing through the second connection blade between main body blade 120 and back blades 150
The size of 160 round and smooth connections, the second connection 160 short transverse of blade gradually increases from right to left, also, the second connection blade
160 radius size also gradually increases.
In one embodiment, there are the first angle, back blades 150 and masters between incision blade 130 and main body blade 120
There are the second angles between body blade 120, and cut blade 130 and back blades 150 towards the same surface of main body blade 120
Place's inclination.That is, incision blade 130 is located at back blades 150 on the basis of the plane where 120 surface of main body blade
The same side.Enter main body blade 120 from incision blade 130 convenient for air-flow in this way, and is sent out via back blades 150.Optionally,
The range of first angle is 150 °~170 °, and the range of the second angle is 150 °~170 °.
In one embodiment, the first strengthening segment 141 is structure as a whole with First Transition section 142, the second strengthening segment 161 with
Second changeover portion 162 is structure as a whole, and mounting portion 110, main body blade 120, incision blade 130, back blades 150, first connect
Blade 140 and the second connection blade 160 are structure as a whole.It can guarantee the intensity of flabellum 100 in this way, while can also reduce zero
Number of packages amount saves assembly process.
The present invention also provides a kind of ceiling fans, the flabellum 100 including wheel hub and multiple any of the above-described technical characteristics.Multiple fans
Leaf 100 is distributed along the side of wheel hub.Optionally, multiple flabellums 100 are uniformly distributed in the side of wheel hub.Certainly, of the invention
In other embodiments, multiple flabellums 100 can also be distinguished in a non-uniform manner.Ceiling fan of the invention uses above-mentioned flabellum 100
Afterwards, it while guaranteeing air output, is shaken when can start and shift gears to avoid ceiling fan, guarantees ceiling fan even running.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the record scope of this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (13)
1. a kind of flabellum characterized by comprising
It is installed on the mounting portion of ceiling fan wheel hub;
It is set to the main body blade of the mounting portion, and is radially stretched out, for compressing and accelerating to air-flow;And
It is set to the incision blade of the mounting portion, is radially stretched out, and is connected in radial directions with the main body blade
It connects, outer profile of the incision blade far from main body blade side is easement curve.
2. flabellum according to claim 1, which is characterized in that the easement curve includes at least one section of arc curve;
And/or the radius of the easement curve is 3000mm~4000mm.
3. flabellum according to claim 1 or 2, which is characterized in that the flabellum further includes the first connection blade, is smoothly connected
Connect the main body blade and the incision blade, the width of the first connection blade is from one end close to the mounting portion to remote
One end from the mounting portion is gradually reduced.
4. flabellum according to claim 1, which is characterized in that the first connection blade includes the first strengthening segment and the
One end of one changeover portion, first strengthening segment is connect with the mounting portion, the other end of first strengthening segment and described the
The incision blade and the main body blade antarafacial is arranged in the connection of one changeover portion, first strengthening segment, the First Transition
Section is smoothly connected the incision blade and the main body blade.
5. flabellum according to claim 4, which is characterized in that first strengthening segment is deposited along the axial direction of the wheel hub
In preset height, and the preset height gradually subtracts from one end close to the mounting portion to one end far from the mounting portion
Small, the width of first strengthening segment is gradually reduced from one end close to the mounting portion to one end far from the mounting portion.
6. flabellum according to claim 5, which is characterized in that the width of the First Transition section and first strengthening segment
The width of junction is consistent, and the width of the First Transition section is from the one end connecting with first strengthening segment to far from institute
The one end for stating the first strengthening segment is gradually reduced.
7. flabellum according to claim 5 or 6, which is characterized in that the range of the preset height is 2mm~4mm;
And/or the junction of first strengthening segment and the mounting portion to the mounting portion far from first strengthening segment one
The distance at end is 39mm~65mm;
And/or the junction of the First Transition section and first strengthening segment to the main body blade far from the mounting portion
One end distance be 15mm~35mm.
8. flabellum according to claim 7, which is characterized in that the flabellum further includes the accessory lobes for being set to the mounting portion
Piece radially stretches out, and connect in radial directions with the main body blade, and the back blades is located at the main body leaf
Side of the piece far from the incision blade.
9. flabellum according to claim 7, which is characterized in that the flabellum further includes the second connection blade, round and smooth connection
The main body blade and the back blades, the width of the second connection blade is from one end close to the mounting portion to far from institute
The one end for stating mounting portion gradually increases.
10. flabellum according to claim 9, which is characterized in that it is described second connection blade include the second strengthening segment and
One end of second changeover portion, second strengthening segment is connect with the mounting portion, the other end of second strengthening segment with it is described
The connection of second changeover portion, second strengthening segment make the back blades relative to the main body blade bent, second transition
The round and smooth connection back blades of section and the main body blade.
11. flabellum according to claim 10, which is characterized in that second strengthening segment is far from second changeover portion one
The radius at end is 2~5mm;
Radius of second changeover portion far from second strengthening segment one end is 80mm~180mm.
12. flabellum according to claim 10, which is characterized in that exist between the incision blade and the main body blade
First angle, there are the second angle between the back blades and the main body blade, and the incision blade and the back blades
It is tilted at towards the same surface of the main body blade;
And/or first strengthening segment is structure as a whole with the First Transition section, second strengthening segment and second mistake
It crosses section to be structure as a whole, the mounting portion, the main body blade, the incision blade, the back blades, the first connection leaf
Piece and the second connection blade are structure as a whole;
And/or the mounting portion is for installing to the mounting hole of the wheel hub, the mounting hole and the mounting portion far from described
The distance of main body blade one end is 9mm~15mm.
13. a kind of ceiling fan, which is characterized in that including wheel hub and multiple such as described in any item flabellums of claim 1 to 12;
Multiple flabellums are distributed along the side of the wheel hub.
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CN201811245147.1A CN109185226B (en) | 2018-10-24 | 2018-10-24 | Ceiling fan and fan blade thereof |
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CN201811245147.1A CN109185226B (en) | 2018-10-24 | 2018-10-24 | Ceiling fan and fan blade thereof |
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CN109185226B CN109185226B (en) | 2024-06-11 |
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Cited By (1)
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WO2023197870A1 (en) * | 2022-04-13 | 2023-10-19 | 苏州欧普照明有限公司 | Fan blade structure and ceiling fan |
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