CN207297454U - Centrifugal wind wheel and centrifugal blower - Google Patents
Centrifugal wind wheel and centrifugal blower Download PDFInfo
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- CN207297454U CN207297454U CN201720975395.6U CN201720975395U CN207297454U CN 207297454 U CN207297454 U CN 207297454U CN 201720975395 U CN201720975395 U CN 201720975395U CN 207297454 U CN207297454 U CN 207297454U
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Abstract
The utility model discloses a kind of centrifugal wind wheel and centrifugal blower, the centrifugal wind wheel includes blade ring and wheel hub.The blade ring is sheet metal component, and the blade ring is formed by connecting by the multiple blades being intervally arranged.The wheel hub is located on the blade ring, and the periphery wall of the wheel hub is equipped with multiple slots of circumferentially spaced arrangement, and the multiple blade is inserted in slot correspondingly.Formed according to the centrifugal wind wheel of the utility model embodiment using blade ring and wheel hub grafting, and blade ring is sheet metal component, simplifies the production technology of centrifugal wind wheel, reduce into production cost, wind wheel weight is alleviated, while the air-out volume of centrifugal blower can also be increased, reduces blower fan work noise.
Description
Technical field
It the utility model is related to air-conditioning equipment field, more particularly to a kind of centrifugal wind wheel and centrifugal blower.
Background technology
The centrifugal wind wheel generally use casting technique production of the prior art, the wind wheel quality so produced is larger, wind-guiding effect
Fruit is poor, and operating noise is larger.
Utility model content
The utility model is intended at least solve one of technical problem existing in the prior art.For this reason, the utility model purport
Iing is proposed a kind of centrifugal wind wheel, the centrifugal wind wheel lighter weight, wind effect is preferable, and operating noise is smaller.
The utility model, which also aims to, proposes a kind of centrifugal blower with the centrifugal wind wheel.
According to the centrifugal wind wheel of the utility model embodiment, including：Blade ring, the blade ring are sheet metal component, the leaf
Loop is formed by connecting by the multiple blades being intervally arranged；And wheel hub, the wheel hub are located on the blade ring, the wheel hub
Periphery wall is equipped with multiple slots of circumferentially spaced arrangement, and the multiple blade is inserted in slot correspondingly.
Formed according to the centrifugal wind wheel of the utility model embodiment using blade ring and wheel hub grafting, and blade ring is metal plate
Part, simplifies the production technology of centrifugal wind wheel, reduces into production cost, alleviates wind wheel weight, while can also increase centrifugation
The air-out volume of wind turbine, reduces blower fan work noise.
In certain embodiments, the blade and the slot arc that to be formed as curved shape consistent.
In certain embodiments, the wheel hub formed with interior keeps away groove in the inner of each slot, it is each it is described in keep away
Groove penetrates through the wheel hub on the thickness direction of the wheel hub.
In certain embodiments, the interior groove of keeping away is circle.
Alternatively, the blade ring is weldingly fixed on the wheel hub.
Alternatively, the wheel hub is integrated punch forming part.
Alternatively, the chord length of each blade in 15mm between 25mm.
Alternatively, the radian of each blade in 15mm between 25mm.
Alternatively, the thickness of each blade in 0.5mm between 1.5mm.
According to the centrifugal blower of the utility model embodiment, including the centrifugal wind wheel.
Formed according to the wind wheel of the centrifugal blower of the utility model embodiment using blade ring and wheel hub grafting, and the two is equal
For sheet metal component, the production technology of centrifugal wind wheel is simplified, production cost is reduced into, alleviates wind turbine weight, also add at the same time
The air-out volume of wind turbine, reduces blower fan work noise.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the stereogram of the centrifugal blower of the utility model embodiment.
Fig. 2 is the other direction stereogram of the centrifugal blower of the utility model embodiment.
Fig. 3 is the overall structure decomposition diagram of the centrifugal blower of the utility model embodiment.
Fig. 4 is the front view of the centrifugal blower of the utility model embodiment.
Fig. 5 is the sectional view along A-A of Fig. 4.
Fig. 6 is the left view of the centrifugal blower of the utility model embodiment.
Fig. 7 is the B-B direction sectional view of Fig. 6.
Fig. 8 is the stereogram of the centrifugal wind wheel of the utility model embodiment.
Fig. 9 is the exploded view of the centrifugal wind wheel of the utility model embodiment.
Figure 10 is the wheel hub structure partial schematic diagram of the centrifugal wind wheel of the utility model embodiment.
Figure 11 is the blade shape schematic diagram of the centrifugal wind wheel of the utility model embodiment.
Figure 12 is the stereogram of the spiral case of the utility model embodiment.
Figure 13 is the structure decomposition figure of the spiral case of the utility model embodiment.
Figure 14 is the top view of the spiral case of the utility model embodiment.
Figure 15 is the C-C of Figure 14 to profile.
Figure 16 Figure 15 circles show the enlarged drawing at E.
Reference numeral：
Centrifugal blower 1000,
Spiral case 100,
End plate 110, air inlet 111, air-ducting ring 112, reinforcing plate 113, the first card 114, the second card hole 115, coaming plate
120th, bent plate 121, the first card hole 1211, mounting groove 122, tangential plate 123, volute tongue 124, the second card 125, diffuser pipe 130, go out
Air port 140,
Centrifugal wind wheel 200, blade ring 210, wheel hub 220, slot 221, it is interior keep away groove 222,
Motor rack 300, drag reduction hole 310, reinforcing rib 320,
Motor 400.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
Concrete structure below with reference to Fig. 1-Figure 16 descriptions according to the centrifugal blower 1000 of the utility model embodiment.
As shown in Fig. 1-Fig. 7, according to the centrifugal blower 1000 of the utility model embodiment, including spiral case 100, centrifugal wind wheel
200th, motor 400 and motor rack 300.
As shown in Figure 12-Figure 13, spiral case 100 there are two end plates 110 being oppositely arranged and be connected to two end plates 110 it
Between coaming plate 120, be equipped with air inlet 111 on each end plate 110, the circumferential both ends of coaming plate 120 surround out with two end plates 110
Air port 140.
As Figure 8-Figure 10, centrifugal wind wheel 200 includes blade ring 210 and wheel hub 220, and blade ring 210 is sheet metal component, leaf
Loop 210 is formed by connecting by the multiple blades being intervally arranged, and wheel hub 220 is located on blade ring 210.On the periphery wall of wheel hub 220
Multiple slots 221 equipped with circumferentially spaced arrangement, multiple blades are inserted in slot 221 correspondingly, blade ring 210
A centrifugal wind wheel is formed with wheel hub 220 respectively in the part of 220 both sides of wheel hub, centrifugal wind wheel 200 is located in spiral case 100.
Alternatively, blade ring 210 is bent after multiple blades of spaced relation are punched into by whole plate, both ends are formed by connecting,
Wheel hub 220 is sleeved in blade ring 210, is bent and is formed by connecting after blade ring 210 is punched by whole plate, what vane plate 210 was processed
Number of parts greatly reduces, and is advantageously implemented automation and produces in enormous quantities, reduces processing cost.
As shown in Figure 1-Figure 3, motor rack 300 is fixed on coaming plate 120, and motor 400 is located on motor rack 300, motor 400
Motor shaft be connected with wheel hub 220.
It is understood that the spiral case of the centrifugal blower of the prior art is usually cast member, when production, needs to manufacture mould,
And final product quality is larger.Thus cause that the production cost of centrifugal blower is higher, and quality is larger, and the utility model embodiment from
The spiral case 100 of heart wind turbine is spliced by end plate 110 and coaming plate 120, is reduced the cost of the production of spiral case 100, is alleviated wind
The weight of machine.
It is understood that the centrifugal wind wheel of the prior art is usually cast member, when production, needs to manufacture mould, and finished product
Quality is larger.Thus cause that the production cost of centrifugal blower is higher, and quality is larger.Further, since the limitation of casting technique, centrifugation
The blade of wind wheel cannot manufacture very frivolous, and draft angle, nothing would generally be formed especially for the root of conveniently stripped blade
Method processes blade ring according to optimal design, thus can influence the air-out volume of centrifugal blower.The centrifugation of the utility model embodiment
Wind wheel is formed using blade ring 210 and 220 grafting of wheel hub, and both at sheet metal component, it is possible thereby to simplify the life of centrifugal wind wheel
Production. art, reduces production cost, mitigates wind wheel weight.Additionally due to blade ring 210 is sheet metal component, therefore blade can manufacture
It is very frivolous, increase the air-out volume of centrifugal blower, reduce blower fan work noise.
It is understood that since centrifugal wind wheel 200 uses blade ring 210 and 220 grafting of wheel hub to form, wheel hub
220 cooperation position on blade ring 210 can adjust as needed.When wheel hub 220 is the location of on blade ring 210, make
When wheel hub both sides can give birth to wind, which is properly termed as double centrifugal wind wheels, and blade ring 210 is located at 220 both sides of wheel hub
Part forms a centrifugal wind wheel with wheel hub 220 respectively, and double centrifugal wind wheels are located in spiral case 100.At this time, the centrifugal wind wheel 200
It can realize from two different direction inlet airs or outlet air.
According to the centrifugal blower 1000 of the utility model embodiment, since spiral case 100 is spliced by end plate 110 and coaming plate 120
Form, reduce the cost of the production of wind turbine, alleviate the weight of wind turbine；Since centrifugal wind wheel 200 is using blade ring 210 and wheel
220 grafting of hub forms, and both at sheet metal component, simplifies the production technology of centrifugal wind wheel 200, reduce into production cost, subtract
Light wind wheel weight, while the air-out volume of centrifugal blower can also be increased, reduce blower fan work noise；Due to centrifugal wind wheel
The part that blade ring 210 is located at 220 both sides of wheel hub forms a centrifugal wind wheel with wheel hub 220 respectively, and centrifugal wind wheel 200 is located at snail
In shell 100, wind turbine is realized from two different direction inlet airs or outlet air.
In certain embodiments, as shown in figure 8, wheel hub 220 is adjustably located on blade ring 210 vertically, wind is centrifuged
Machine 1000 adjusts both sides intake by adjusting the position of wheel hub 220.Thus, it is possible to realize wind turbine on two air-out directions
Air-out volume it is different, such user can be capable of expiring for higher according to the air output for being actually needed design centrifugal blower 1000
Foot is actually needed.
In certain embodiments, as shown in Figure 1, motor rack 300 is equipped with drag reduction hole 310.It is understood that this practicality
The centrifugal blower 1000 of new embodiment can advantageously reduce electricity on motor rack 300 from both sides inlet air equipped with drag reduction hole 310
The windage of 300 side inlet air of rack, the intake of 300 side of increase motor rack, so as to increase the air output of centrifugal blower 1000.
Specifically, as shown in Figure 1, the edge of motor rack 300 and being partially toward away from centrifugal wind wheel around drag reduction hole 310
200 direction extends to form reinforcing rib 320.It is understood that the centrifugal blower 1000 due to the utility model embodiment
Spiral case 100 and centrifugal wind wheel 200 are spliced using polylith sheet metal component.Therefore, the structural strength of centrifugal blower 1000 compared with
Low, non-deformability is poor.Reinforcing rib 320 is set to be conducive to improve the structural strength of centrifugal blower 1000 on motor rack 300,
Improve its non-deformability.
Alternatively, as shown in Figure 1, motor rack 300 is formed as long slab shape, the both ends of motor rack 300 respectively with spiral case 100
End plate 110 is fixedly connected by screw.The center section of motor rack 300 is provided with motor 400, and motor rack 300 is located at motor
The part of 400 both sides forms drag reduction hole 310.
In certain embodiments, as shown in Figure 9 and Figure 10, blade and slot 221 arc that to be formed as curved shape consistent.
Thus, blade can more smooth be inserted into slot 221, reduce causes for grafting misoperation by user in assembling
The phenomenon that deformable blade even fractures occurs.
In some implementations, as shown in Fig. 9-Figure 10, wheel hub 220 keeps away groove in the inner of each slot 221 formed with interior
222, it is each in keep away groove 222 wheel hub 220 penetrated through on the thickness direction of wheel hub 220.If it is understood that on wheel hub 220
Slot 221 is provided only with, blade free end is subject to the active force of wheel hub 220 larger, and blade is in freedom during blade wheel operates
End is possible to crimp.Therefore groove 222 is kept away in the inner setting of each slot 221 of wheel hub 220, reduces blade free end
With the contact of wheel hub 220, so as to reduce active force of the wheel hub 220 to blade, the probability that blade is deformed in free end is reduced,
Improve the reliability of centrifugal wind wheel 200.
In some optional embodiments, groove 222 is inside kept away as circle.It is circular in keep away groove 222 process it is relatively simple, certainly
Inside keeping away groove 222 can also be formed as square, triangle or other irregular shapes.
In some optional embodiments, blade ring 210 is weldingly fixed on wheel hub 220.If it is understood that only
Carry out stationary blade ring 210 by slot 221, when centrifugal wind wheel 200 tells operating, wheel hub 220 easily shakes, cause from
Phenomena such as 1000 outlet air of heart wind turbine shakiness or wheel hub 220 fly out occurs.Thus, blade ring 210 is weldingly fixed on wheel hub 220
On can prevent wind turbine outlet air shakiness from living the phenomenon that wheel hub 220 flies out and occurring,
Certainly, blade ring 210 is not limited to weld with the mode that is fixedly connected of wheel hub 220, can also be riveting, bonding,
Crimping etc. other be fixedly connected with mode.
In some optional embodiments, wheel hub 220 is integrated punch forming part.Thus, it is possible to reduce the life of wheel hub 220
Cost is produced, and then reduces the production cost of centrifugal blower 1000.Since the restrictive condition of punch forming process is less, wheel hub
220 can make it meet different model, different operating mode according to the thickness for being actually needed adjustment wheel hub 220, partial structurtes shape
The needs of centrifugal wind wheel 200.
In certain embodiments, as shown in Figure 12-Figure 13, each end plate 110 is sheet metal component, and coaming plate 120 is sheet metal component,
The periphery with two end plates 110 is along being connected respectively for axial both sides after coaming plate 120 bends to substantially tubular, such as Figure 15 and Figure 16 institutes
Show, the axial both ends of coaming plate 120 radially bend respectively after, bend radially inward again to form bent plate 121, Mei Geduan
The periphery of plate 110 is along being inserted in corresponding bent plate 121.
It should be noted that the spiral case 100 of centrifugal blower 1000 is removed has air stream in air inlet 111 and air outlet 140
It is logical, in preferably ensureing elsewhere with extraneous sealing (hereinafter referred to as opposing seal), i.e. extraneous air not for spiral case 100
Blower interior can be entered from the place beyond air inlet 111.If the opposing seal of spiral case 100 is relatively low, in the normal work of wind turbine
When making, the phenomenon of " race wind " occurs in spiral case 100, can so severely impact the working performance of wind turbine.
It is understood that as shown in figure 16, the periphery wall of bent plate 121 and coaming plate 120 is formed with mounting groove 122, end plate
110 are plugged in mounting groove 122, can so improve the connection sealing between bent plate 121 and coaming plate 120.Thus, it is possible to protect
The opposing seal of spiral case 100 is demonstrate,proved, occurs the phenomenon of " race wind " when avoiding wind turbine normal work.
Alternatively, each bent plate 121 is connected with the periphery of corresponding end plate 110 between by Pressing Deformation.It can manage
Solution, merely with the connection mode that end plate 110 is inserted into mounting groove 122, is likely present between end plate 110 and coaming plate 120
Gap.Therefore, bent plate 121 is fixedly connected with end plate 110 using the mode of Pressing Deformation, can further improve spiral case 100
Opposing seal.In addition, the mode of stamping connection deformation operate it is more convenient, the heat distortion amount of end plate 110 and bent plate 121 compared with
It is small, it is smaller to the intensity effect of spiral case 100.
Certain bent plate 121 is not limited to Pressing Deformation connection with the mode that is fixedly connected of end plate 110, can also be welding,
Other connection modes such as riveting and bonding.
Specifically, as shown in Figure 12-Figure 14, the circumferential both ends of coaming plate 120 extend along the direction away from air inlet 111 respectively
To form tangential plate 123 and volute tongue 124, tangential plate 123 extends along the direction parallel with the tangent line of air inlet 111, volute tongue 124
Gradually increase with the distance of tangential plate 123 on the direction away from air inlet 111, tangential plate 123, volute tongue 124 and between two
A end plate 110 forms the diffuser pipe 130 of spiral case 100, and two end plates 110 are partially toward away from tangential plate 124 side of volute tongue
123 direction extension, the part that two end plates 110 are located at outside diffuser pipe 130 form reinforcing plate 113.
It is understood that since spiral case 100 is spliced by two end plates 110 and a coaming plate 120,
The structural strength of spiral case 100 is relatively low, and non-deformability is poor.Reinforcing plate 113 is set on end plate 110, helps to lift spiral case
100 non-deformability.
It should be noted that in the utility model some optional embodiments, coaming plate 120, volute tongue 124 and between two
A end plate 110 can also form diffuser pipe 130, that is to say, that spiral case 100 can work as basis without diffuser pipe in the present embodiment
When actual conditions need the installation diffuser pipe 130 of centrifugal blower 1000, producer separately configures outer diffuser pipe again, then by outer diffuser
Pipe is connected on spiral case 100.
Specifically, as shown in figure 13, penetrated through on the thickness direction of coaming plate 120 is equipped with each bent plate 121
One card hole 1211, the periphery of each end plate 110 is along equipped with the first card 114 being inserted in the first card hole 1211, two end plates
The second card hole 115 is respectively equipped with 110, the axial both ends of coaming plate 120 are respectively equipped with the second card being inserted in the second card hole 115
125。
It is understood that the cooperation of the first card hole 1211 and the first card 114 limits the radially direction of bent plate 121
Slip, the cooperation of the second card hole 115 and the second card 125 limits slip of the bent plate 121 along its axial direction.Thus by end
Plate 110 has been limited in the mounting groove 122 that bent plate 121 and coaming plate 120 are formed, and prevents from, when centrifugal wind wheel 200 works normally, going out
The phenomenon of existing end face abjection.The functional reliability of centrifugal blower 1000 is improved, reduces failure rate.
More specifically, as shown in figure 13, volute tongue 124 is equipped with least one second card 125.Thus, multiple second cards
Piece 125 can lift restriction effect of second card 125 to end plate 110.
Alternatively, as shown in figure 13, every one end of coaming plate 120 is equipped with two the second cards of substantially perpendicular relation
125.It is understood that after two substantially perpendicular the second card 125 bendings, the limitation to end plate 110 can be lifted
Effect.
Alternatively, as shown in figure 13, the first card hole 1211 and the second card hole 115 are all formed as strip, the first card 114
It is semicircular strip with 125 equal behavior head of the second card.Thus, user can be more conveniently respectively by the first card
114 and second card 125 be inserted into the first card hole 1211 and the second card hole 115, and can be more laborsaving by the first card 114
Bent with the second card 125.
Certainly, the first card 114, the second card 125, the first card hole 1211 and the second card hole 115 can also be formed as it
His shape.For example, the first card hole 1211 and the second card hole 115 are all formed as semicircle, triangle, square or other are irregular
Shape, meanwhile, the first card 114 is formed as matching with the first card hole 1211 and the second card hole 115 respectively with the second card 125
Column.
Certainly, the shape of the first card hole 1211 and the second card hole 115 can not also be identical, for example, 1211 shape of the first card hole
As semicircle, 115 triangle of the second card hole.
Alternatively, as shown in figure 11, the chord length of each blade in 15mm between 25mm.
Alternatively, as shown in figure 11, the radian of each blade in 15mm between 25mm.
Alternatively, as shown in figure 11, the thickness of each blade in 0.5mm between 1.5mm.
It should be noted that above-mentioned parameter can be adjusted according to actual needs, it is possible thereby to which it is new to expand this practicality
The use scope of the centrifugal blower 1000 of type embodiment.
In certain embodiments, each end plate 110 forms air-ducting ring around the inside integrated punching in the part of air inlet 111
112.Thus, it is possible to reduce the windage from end plate 110 when air-flow flows through air inlet 111, add centrifugal blower 1000 into
Wind air quantity, so as to add air-out volume.
Alternatively, as shown in figure 15, the maximum gauge of solar or lunar halo 112 is about 1.5 times of air inlet 111.
Alternatively, as shown in figure 15, air-ducting ring 112 is formed as along close to 111 side of air inlet close to one end of maximum gauge
Be formed as remote close to one end of air inlet 111 to towards the inclined oblique deflation hole of close 112 axis of air-ducting ring, air-ducting ring 112
From the arc that 111 direction of air inlet is directed away from 112 axis of air-ducting ring to reaming.
According to the air conditioner of the utility model embodiment, including the centrifugal blower 1000.
According to the air conditioner of the utility model embodiment, since comprising the centrifugal blower 1000, there is work
The characteristics of noise is smaller, and air output is larger.
The centrifugal blower 1000 of one specific embodiment of the utility model is described below with reference to Fig. 1-Figure 16.
As shown in Figure 1-Figure 3, the centrifugal blower 1000 of the present embodiment includes spiral case 100, centrifugal wind wheel 200,400 and of motor
Motor rack 300.
As shown in Figure 11-Figure 15, spiral case 100 there are two end plates 110 being oppositely arranged and be connected to two end plates 110 it
Between coaming plate 120, air inlet 111 is equipped with each end plate 110, and each end plate 110 is inside around the part of air inlet 111
Integrated punching forms air-ducting ring 112.The circumferential both ends of coaming plate 120 surround air outlet 140 with two end plates 110.
As shown in figure 13, two end plates 110 and coaming plate 120 are sheet metal component, and coaming plate 120 bends to axial direction after substantially tubular
Both sides respectively the periphery with two end plates 110 along being connected, the axial both ends of coaming plate 120 radially bend respectively after, edge again
Radially-inwardly bend to form bent plate 121, the periphery of each end plate 110 is along being inserted in corresponding bent plate 121.Each bent plate
121 are connected with the periphery of corresponding end plate 110 between by Pressing Deformation.
As shown in figure 13, the circumferential both ends of coaming plate 120 extend along the direction away from air inlet 111 to form tangential plate respectively
123 and volute tongue 124, tangential plate 123 extends along the direction parallel with the tangent line of air inlet 111, and volute tongue 124 is away from air inlet
Distance on 111 direction with tangential plate 123 gradually increases, tangential plate 123, volute tongue 124 and between two end plates 110 formed
The diffuser pipe 130 of spiral case 100, two end plates 110 extend in the direction away from tangential plate 123 that is partially toward of 124 side of volute tongue,
The part that two end plates 110 are located at outside diffuser pipe 130 forms reinforcing plate 113.
As shown in figure 13, the first card hole penetrated through on the thickness direction of coaming plate 120 is equipped with two bent plates 121
1211, the periphery of each end plate 110 is along equipped with the first card 114 being inserted in the first card hole 1211, on two end plates 110 point
Not She You the second card hole 115, the axial both ends of coaming plate 120 are respectively equipped with the second card 125 being inserted in the second card hole 115.
As shown in figures s-11, centrifugal wind wheel 200 includes blade ring 210 and wheel hub 220, and blade ring 210 is sheet metal component, leaf
Loop 210 is bent after multiple blades of spaced relation are punched into by whole plate, both ends are formed by connecting, and wheel hub 220 is sleeved on blade ring
In 210, the periphery wall of wheel hub 220 is equipped with multiple slots 221 of circumferentially spaced arrangement, the inner of each slot 221
Formed with it is circular it is interior keep away groove 222, multiple blades are inserted in multiple slots 221 correspondingly, and blade ring 210 is located at wheel hub
The part of 220 both sides forms a centrifugal wind wheel with wheel hub 220 respectively, and centrifugal wind wheel 200 is located in spiral case 100.
As shown in figure 11, the chord length of each blade is in 15mm between 25mm, and the radian of each blade is in 15mm to 25mm
Between.The thickness of each blade is in 0.5mm between 1.5mm.
As shown in figure 3, motor rack 300 is fixed on coaming plate 120, motor rack 300 is equipped with drag reduction hole 310, and motor rack
The direction away from centrifugal wind wheel 200 that is partially toward in 300 edge and circular drag reduction hole 310 extends to form reinforcing rib 320.
As shown in Figure 1, Figure 7 shows, motor 400 is located on motor rack 300, and the motor shaft of motor 400 is connected with wheel hub 220.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from the principle and objective of the utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. centrifugal wind wheel, it is characterised in that including：Blade ring, the blade ring are sheet metal component, and the blade ring is formed by connecting by the multiple blades being intervally arranged；AndWheel hub, the wheel hub are located on the blade ring, and the wheel hub is equipped with multiple slots of circumferentially spaced arrangement, institute Multiple blades are stated to be inserted in slot correspondingly.
- 2. centrifugal wind wheel according to claim 1, it is characterised in that the blade and the slot are formed as curved shape Consistent arc.
- 3. centrifugal wind wheel according to claim 1, it is characterised in that the wheel hub is formed in the inner of each slot Groove is kept away in having, it is each it is described in keep away groove the wheel hub penetrated through on the thickness direction of the wheel hub.
- 4. centrifugal wind wheel according to claim 3, it is characterised in that groove is kept away in described as circle.
- 5. centrifugal wind wheel according to claim 1, it is characterised in that the blade ring is weldingly fixed on the wheel hub.
- 6. centrifugal wind wheel according to claim 1, it is characterised in that the wheel hub is integrated punch forming part.
- 7. according to the centrifugal wind wheel any one of claim 1-6, it is characterised in that the chord length of each blade exists 15mm is between 25mm.
- 8. according to the centrifugal wind wheel any one of claim 1-6, it is characterised in that the radian of each blade exists 15mm is between 25mm.
- 9. according to the centrifugal wind wheel any one of claim 1-6, it is characterised in that the thickness of each blade exists 0.5mm is between 1.5mm.
- 10. a kind of centrifugal blower, it is characterised in that including the centrifugal wind wheel according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975395.6U CN207297454U (en) | 2017-08-04 | 2017-08-04 | Centrifugal wind wheel and centrifugal blower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975395.6U CN207297454U (en) | 2017-08-04 | 2017-08-04 | Centrifugal wind wheel and centrifugal blower |
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| Publication Number | Publication Date |
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| CN207297454U true CN207297454U (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355422A (en) * | 2017-08-04 | 2017-11-17 | 广东美的制冷设备有限公司 | Centrifugal wind wheel and centrifugal blower |
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2017
- 2017-08-04 CN CN201720975395.6U patent/CN207297454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355422A (en) * | 2017-08-04 | 2017-11-17 | 广东美的制冷设备有限公司 | Centrifugal wind wheel and centrifugal blower |
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