CN207920954U - Impeller, wind turbine and gas heater - Google Patents
Impeller, wind turbine and gas heater Download PDFInfo
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- CN207920954U CN207920954U CN201820173437.9U CN201820173437U CN207920954U CN 207920954 U CN207920954 U CN 207920954U CN 201820173437 U CN201820173437 U CN 201820173437U CN 207920954 U CN207920954 U CN 207920954U
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Abstract
The utility model provides a kind of impeller, wind turbine and gas heater, impeller：Chassis；Multiple blades, one end is along the circumferentially-spaced of chassis and is arranged on chassis in a ring, and the other end extends to the direction far from chassis, and blade includes the first prismatic blade and the second prismatic blade for being mutually in predetermined angle α connections；Frame is connect with the end of the one end of multiple blades far from chassis；Wherein, the first prismatic blade tilts from the outer side on chassis to the inside on chassis on chassis and extends, and the second prismatic blade is tilted from the interior side of the first prismatic blade to the inside on chassis to be extended, and predetermined angle α is more than 0 ° and is less than 180 °.This kind setting blade is made up of two prismatic blades, and for prismatic blade opposing arcuate, wing blades, its structure is simpler, therefore more preferable processing, and predetermined angle α enables blade integrally to extend to the center position on chassis more than 0 ° less than 180 °, it can rationally do work in this way to air-flow, with performance indicators such as the air quantity, efficiency, the noises that improve impeller.
Description
Technical field
The utility model is related to household appliance technical fields, more specifically, are related to a kind of impeller, wind turbine and gas heater.
Background technology
Wind turbine is the key components and parts in gas heater, and impeller is then the core component of wind turbine, its geometry,
Size, lobe numbers and the accuracy of manufacture have a significant impact to fan performance, thus to water heater overall performance and peace all with pole
Big influence.But the blade of current impeller is mostly arc, airfoil type or straight, and is the blade construction of arc, airfoil type
Complexity, bad processing, thus cost is higher, and the performance of prismatic blade is poor, cannot be satisfied air quantity, efficiency and noise of impeller etc.
The requirement of performance indicator.
Therefore, a kind of good processing how is designed, impeller at low cost and better performances becomes and urgently to be resolved hurrily asks at present
Topic.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.
For this purpose, a purpose of the utility model is, a kind of impeller is provided.
Another purpose of the utility model is, provides a kind of wind turbine including above-mentioned impeller.
The further object of the utility model is, provides a kind of gas heater including above-mentioned wind turbine.
To achieve the above object, the utility model first aspect embodiment provides a kind of impeller, including：Chassis；It is multiple
One end of blade, the multiple blade is arranged along the circumferentially-spaced of the chassis and in a ring on the chassis, described more
The other end of a blade extends to the direction far from the chassis, and it is in the first of predetermined angle α connections that the blade, which includes mutual,
Prismatic blade and the second prismatic blade；Frame, the frame are connect with the end of the one end of the multiple blade far from the chassis；Its
In, first prismatic blade, which tilts on the chassis from the outer side on the chassis to the inside on the chassis, to be extended, and described the
Two prismatic blades are tilted from the interior side of first prismatic blade to the inside on the chassis to be extended, and the predetermined angle α is more than 0 ° small
In 180 °.
The impeller that embodiment according to the present utility model provides, including chassis and multiple blades for being arranged on chassis, with
And the frame on the one end of multiple blades far from chassis is set, wherein chassis and frame are used to that multiple blades to be fixedly mounted, with
Multiple blades are enable to be fixed to fixed shape, meanwhile, chassis and frame can also increase the intensity of impeller and reduce leaf
Gas leakage between piece and casing.And blade includes the first prismatic blade and the second prismatic blade for being mutually in predetermined angle α connections, i.e.,
It is to say that blade is made up of two prismatic blades, and prismatic blade is in straight, therefore, for opposing arcuate blade, wing blades,
Its structure is simpler, therefore more preferable processing, thus can simplify the processing technology of blade, reduces processing cost.And first
Prismatic blade on chassis from the outer side on chassis to the inside on chassis tilt extend, the second prismatic blade from the interior side of the first prismatic blade to
The inside on chassis, which tilts, to be extended, and predetermined angle α is more than 0 ° and is less than 180 °, i other words, the first prismatic blade from the edge on chassis to
The center position on chassis is obliquely installed, and the second prismatic blade continues to set to the inclination of the center position on chassis from the first prismatic blade
It sets, on the one hand can prevent the second prismatic blade from extending outward in this way, on the other hand can prevent the first prismatic blade and second directly
Blade draws a straight line.This kind setting can be such that the first prismatic blade and the second prismatic blade is substantially arranged to the same direction, because
And blade is integrally extended to the center position on chassis, it just can rationally do work in this way to air-flow, to improve impeller
The performance indicators such as air quantity, efficiency, noise.
In addition, also there is following additional technical feature according to the impeller that the utility model above-described embodiment provides：
In the above-mentioned technical solutions, it is preferable that the predetermined angle α is more than or equal to 90 ° and is less than 180 °.
In those technical solutions, predetermined angle α is limited in the range of being less than 180 ° more than or equal to 90 °, just can
The rationally air-flow deflection angle of restriction blade, and rational air-flow deflection angle, can increase the ability of blade acting, while avoiding gas
Body generates boundary-layer separation in impeller channel, can improve the performances such as air quantity, efficiency, the noise of impeller on the whole in this way and refer to
Mark, to reduce fan noise and improve fan efficiency.Specifically, the predetermined angle α between the first prismatic blade and the second prismatic blade
More than or equal to 90 °, i other words, there is no the inclination extending directions of opposite first prismatic blade back to extend for the second prismatic blade, i.e., and second
The initiating terminal of not oriented first prismatic blade of prismatic blade is toward inflection, and the predetermined angle between the first prismatic blade and the second prismatic blade
α is less than 180 °, i other words there is no opposite first prismatic blades to extend to the outside on chassis for the second prismatic blade, and also not with first
Prismatic blade is arranged in parallel.
It is further preferred that the predetermined angle α, which is more than or equal to 129 °, is less than or equal to 133 °, specifically, such as preset angle
It spends α and is equal to 131 °.
In any of the above-described technical solution, it is preferable that width of first prismatic blade in the circumferential direction on the chassis
Degree is L1, and width of second prismatic blade in the circumferential direction on the chassis is L2, wherein L1：The value of L2 is more than or equal to
0.9 is less than or equal to 0.98.Wherein, the width here in circumferential direction refers to the circumferential direction of the first prismatic blade and the second prismatic blade along chassis
The developed width in direction, rather than the projection width of the circumferential direction along chassis, nor the height on the axial direction on chassis
Degree.
In those technical solutions, the width of width and the second prismatic blade by the way that the first prismatic blade is rationally arranged can
Reasonable set the vane size, so that the vane size is more reasonable, it is thus possible to further improve the wind of impeller on the whole
The performance indicators such as amount, efficiency, noise.
In any of the above-described technical solution, it is preferable that the central point on the chassis is O, and first prismatic blade is excessively described
Orthographic projection of the longitudinal section at the center of the first prismatic blade on the chassis is first straight line AB, and second prismatic blade is excessively described
Orthographic projection of the longitudinal section at the center of the second prismatic blade on the chassis is second straight line BC, wherein crosses the straight line and mistake of AC
Angle between the straight line of OA is θ, and θ is more than or equal to 32 ° and is less than or equal to 36 °.
In those technical solutions, by limiting the angle theta between AC and OA, the established angle of blade can be rationally limited
Degree, so that the inlet angle of impeller blade has with air intake angle close to identical angle, i.e. 0 ° of angle of attack ≈, to make
The air-flow obtained into impeller can be flowed along minimum drag approach, and air-flow is avoided to generate disturbance when entering impeller, and reduction air-flow is made an uproar
Sound, and then the performance indicators such as air quantity, efficiency, the noise of blade just can be further improved on the whole.
It is further preferred that the angle theta crossed between the straight line of AC and the straight line for crossing OA is 34 °.
It is further preferred that the value of length of the length of line segment AB than line segment BC, which is more than or equal to 0.9, is less than or equal to 0.98.
In any of the above-described technical solution, it is preferable that the first prismatic blade of each blade of the multiple blade is described
It is consistent and/or described more that the inclination extending direction extended is tilted on chassis from the outer side on the chassis to the inside on the chassis
Second prismatic blade of each blade of a blade is on the chassis from the interior side of first prismatic blade into the chassis
It is consistent to roll the inclination extending direction tiltedly extended.
In those technical solutions, the inclination of the first prismatic blade and the second prismatic blade of each blade of multiple blades extends
Direction is consistent so that the vaned gentle circulation dog-ear of setting angle of institute is consistent, so that and flow direction of wind etc. is consistent,
Thus the performance indicators such as air quantity, efficiency, the noise of impeller can be improved on the whole.
In any of the above-described technical solution, it is preferable that the chassis, the multiple blade and the frame are integral type knot
Structure.
In those technical solutions, chassis, multiple blades and frame are preferably an integral structure, because what is be an integral structure
Mechanical property is good, it is thus possible to the bonding strength between chassis, multiple blades and frame is ensured, in addition, can also be by chassis, multiple
Blade and frame are made into integration, and batch production to improve the production efficiency of product, reduces the production and processing cost of product.Certainly,
Chassis, multiple blades and frame are alternatively split structure, you can detaching structure.
In any of the above-described technical solution, it is preferable that first prismatic blade is integral type knot with second prismatic blade
Structure.
In those technical solutions, the first prismatic blade is preferably an integral structure with the second prismatic blade, because of integral type knot
The mechanical property of structure is good, it is thus possible to the bonding strength between the first prismatic blade and the second prismatic blade is ensured, in addition, can also be by
One prismatic blade is made into integration with the second prismatic blade, and batch production to improve the production efficiency of product, reduces the production and processing of product
Cost.Certainly, the first prismatic blade and the second prismatic blade are alternatively split structure, you can detaching structure.
In any of the above-described technical solution, it is preferable that the thickness of first prismatic blade throughout is equal and/or described
The thickness of second prismatic blade throughout is equal and/or first prismatic blade thickness throughout is equal to second prismatic blade
Thickness throughout.
In those technical solutions, the first prismatic blade and/or the second prismatic blade can be arranged to uniform thickness, leaf can be made in this way
The structure of piece is simpler, thus more preferable processing.It is preferred that the thickness of the first prismatic blade and the second prismatic blade can be set
It is set to unanimously, the thickness uniformity of entire blade can be made in this way.Certainly, the first prismatic blade and the second prismatic blade are also not provided with
At uniform thickness.
In any of the above-described technical solution, it is preferable that the chassis, the multiple blade and the frame are metal
The part and/or chassis, the multiple blade and frame are molded by integrated punching.
In those technical solutions, chassis, multiple blades and frame are preferably that metalwork is made, and can ensure that impeller in this way
Intensity and high temperature resistance so that impeller is durable.It is further preferred that chassis, multiple blades and frame pass through one
Impeller because punch forming can be used for metal, thus can be molded by metal integrated punching, can be made in this way by punch forming
Impeller is integrally machined molding, thus does not just have to separate machineds such as chassis, impellers, thus can reduce processing cost, improves
Processing efficiency improves the competitiveness of product in market.In addition, punch forming, for pouring technology, cost is also lower, because
And integrated punching molding can also reduce the processing cost of impeller.
In any of the above-described technical solution, it is preferable that be equipped with axle sleeve on the middle part on the chassis, be provided on the axle sleeve
Axis hole.
In those technical solutions, the processing of axis hole can be realized by the way that axle sleeve is arranged, and axis hole is used for and the drives such as motor
The driving axis connection of dynamic device, to realize the driving to impeller.
In any of the above-described technical solution, it is preferable that the interior sidewall surface of the axis hole by a plane of interconnection and
One cambered surface forms.
In those technical solutions, the interior sidewall surface of axis hole is made up of a plane of interconnection and a cambered surface, and is put down
Face can make axis hole form a flat position, and the presence of flat position so that for impeller when being assembled with motor shaft etc., impeller can
By flat position and motor shaft tentatively fix, just only screw need to be carried out in the end face of motor shaft in this way in specific assembling process
It is fixed, without playing screw from axle sleeve side, to which the installation effectiveness between impeller and motor, another party on the one hand can be improved
Face can avoid screw deflect and cause impeller be stuck on motor shaft take to get off and beat screw during tool blade is collided
Deformation and so on.
In any of the above-described technical solution, it is preferable that the axle sleeve is mounted on by way of welding or riveting on chassis.
In those technical solutions, axle sleeve can be mounted on by the modes such as welding, riveting on chassis, because of welding and riveting
Mounting means it is reliable and at low cost, thus can either ensure that the installation reliability of axle sleeve can reduce the entirety of product again
Cost.
The embodiment of the utility model second aspect provides a kind of wind turbine, which includes that any one of first aspect is implemented
The impeller that example provides.
The wind turbine that embodiment according to the present utility model provides, the impeller with the offer of first aspect any embodiment, because
This, the embodiments of the present invention provide wind turbine have first aspect any embodiment provide impeller all beneficial to imitate
Fruit, it is numerous to list herein.
The embodiment of the utility model third aspect provides a kind of gas heater, which includes first party
The wind turbine that any one of face embodiment provides.
The gas heater that embodiment according to the present utility model provides, the wind provided with second aspect any embodiment
Machine, therefore, the gas heater that the embodiments of the present invention provide have the wind turbine of second aspect any embodiment offer
Whole advantageous effects, it is numerous to list herein.
Additional aspect and advantage according to the present utility model will provide in following description section, partly will be from following
Become apparent in description, or recognize by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram for the impeller that embodiment according to the present utility model provides；
Fig. 2 is a cross section structure schematic diagram of the impeller that embodiment according to the present utility model provides；
Fig. 3 is the partial enlargement structural representation at the I for the impeller that embodiment according to fig. 2 provides.
Wherein, the correspondence in Fig. 1 to Fig. 3 between reference numeral and component names is：
1 chassis, 2 blades, 22 first prismatic blades, 24 second prismatic blades, 3 frames, 4 axle sleeves, 42 axis holes, 422 planes, 424
Cambered surface.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
It is novel to be implemented different from mode described here using other, therefore, the scope of protection of the utility model not by
The limitation of following public specific embodiment.
Impeller, wind turbine and combustion gas that one embodiment according to the present utility model provides are described referring to Fig. 1 to Fig. 3
Water heater.
As shown in Figure 1 to Figure 3, the utility model first aspect embodiment provides a kind of impeller, including chassis 1, multiple
Blade 2 and frame 3.Specifically, one end of multiple blades 2 is arranged along the circumferentially-spaced of chassis 1 and in a ring on chassis 1,
The other end of multiple blades 2 extends to the direction far from chassis 1, and blade 2 includes the first straight leaf for being mutually in predetermined angle α connections
Piece 22 and the second prismatic blade 24；Frame 3 is connect with the end of the one end of multiple blades 2 far from chassis 1；Wherein, the first prismatic blade
22 tilt extension on chassis 1 from the outer side on chassis 1 to the inside on chassis 1, and the second prismatic blade 24 is out of first prismatic blade 22
The inside on lateral chassis 1, which tilts, to be extended, and predetermined angle α is more than 0 ° and is less than 180 °.
The impeller that embodiment according to the present utility model provides, including chassis 1 and setting be in the One On The Chassis multiple blades 2,
And the frame 3 on the one end of multiple blades 2 far from chassis 1 is set, wherein chassis 1 and frame 3 are multiple for being fixedly mounted
Blade 2, so that multiple blades 2 can be fixed to fixed shape, meanwhile, chassis 1 and frame 3 can also increase the intensity of impeller
And the gas reduced between blade 2 and casing leaks.And blade 2 includes the first prismatic blade 22 for being mutually in predetermined angle α connections
With the second prismatic blade 24, i other words blade 2 is made up of the first prismatic blade 22 and the second prismatic blade 24, and 22 He of the first prismatic blade
Second prismatic blade 24 is in straight, and therefore, for opposing arcuate blade, wing blades, structure is simpler, therefore more preferable
Processing, thus the processing technology of blade 2 can be simplified, reduce processing cost.And the first prismatic blade 22 on chassis 1 from chassis
The inside on 1 outer lateral chassis 1, which tilts, to be extended, interior inclination of second prismatic blade 24 from the interior side of the first prismatic blade 22 to chassis 1
Tiltedly extend, and predetermined angle α is more than 0 ° and is less than 180 °, i other words, the first prismatic blade 22 is from the edge on chassis 1 into chassis 1
Heart direction is obliquely installed, and the continuation of the second prismatic blade 24 is obliquely installed from the first prismatic blade 22 to the center position on chassis 1, this
On the one hand sample can prevent the second prismatic blade 24 from extending outward, on the other hand can prevent the first prismatic blade 22 and the second straight leaf
Piece 24 draws a straight line.This kind setting can be such that the first prismatic blade 22 and the second prismatic blade 24 is substantially set to the same direction
It sets, so that blade 2 can integrally extend to the center position on chassis 1, just can rationally do work in this way to air-flow, to improve
The performance indicators such as air quantity, efficiency, the noise of impeller.
In the above embodiment, it is preferable that as shown in Figures 2 and 3, predetermined angle α is more than or equal to 90 ° and is less than 180 °.
In those embodiments, predetermined angle α is limited in the range of being less than 180 ° more than or equal to 90 °, just can be closed
The air-flow deflection angle of reason restriction blade 2, and rational air-flow deflection angle, can increase the ability of the acting of blade 2, while avoiding gas
Body generates boundary-layer separation in impeller channel, can improve the performances such as air quantity, efficiency, the noise of impeller on the whole in this way and refer to
Mark, to reduce fan noise and improve fan efficiency.Specifically, the preset angle between the first prismatic blade 22 and the second prismatic blade 24
Spend α be more than or equal to 90 ° i other words, there is no the inclination extending directions of opposite first prismatic blade 22 back to prolong for the second prismatic blade 24
It stretches, i.e. the initiating terminal of the second prismatic blade 24 not oriented first prismatic blade 22 is toward inflection, and the first prismatic blade 22 and the second straight leaf
Predetermined angle α between piece 24 is less than 180 °, i other words there is no opposite first prismatic blades 22 to chassis 1 for the second prismatic blade 24
Outside extends, and is not also arranged in parallel with the first prismatic blade 22.
It is further preferred that as shown in Figures 2 and 3, predetermined angle α is more than or equal to 129 ° and is less than or equal to 133 °, specifically,
For example predetermined angle α is equal to 131 °.
In any of the above-described embodiment, it is preferable that width of first prismatic blade 22 in the circumferential direction on chassis 1 is L1,
Width of second prismatic blade 24 in the circumferential direction on chassis 1 is L2, wherein L1：The value of L2 is less than or equal to more than or equal to 0.9
0.98。
In those embodiments, the width of width and the second prismatic blade 24 by the way that the first prismatic blade 22 is rationally arranged, energy
The size of enough reasonable set blades 2, so that the size of blade 2 is more reasonable, it is thus possible to further improve impeller on the whole
The performance indicators such as air quantity, efficiency, noise.Wherein, the width here in circumferential direction refers to the first prismatic blade 22 and the second straight leaf
Piece 24 is along the developed width of the circumferential direction on chassis 1, rather than the projection width of the circumferential direction along chassis 1, nor the bottom of along
Height on the axial direction of disk 1.
In any of the above-described embodiment, it is preferable that as shown in Figures 2 and 3, the central point on chassis 1 is O, the first prismatic blade
22 to cross the longitudinal section at the center of the first prismatic blades 22 in the One On The Chassis orthographic projection be first straight line AB, and the second prismatic blade 24 crosses the
The longitudinal section at the center of two prismatic blades 24 is second straight line BC in the One On The Chassis orthographic projection, wherein crosses the straight line of AC and crosses OA's
Angle between straight line is θ, and θ is more than or equal to 32 ° and is less than or equal to 36 °.
In those embodiments, by limiting the angle theta between AC and OA, the established angle of blade 2 can be rationally limited
Degree, so that the inlet angle of impeller blade 2 has with air intake angle close to identical angle, i.e. 0 ° of angle of attack ≈, thus
Air-flow into impeller is flowed along minimum drag approach, avoids air-flow from generating disturbance when entering impeller, reduces air-flow
Noise, and then the performance indicators such as air quantity, efficiency, the noise of blade 2 just can be further improved on the whole.
It is further preferred that as shown in Figures 2 and 3, the angle theta crossed between the straight line of AC and the straight line for crossing OA is 34 °.
It is further preferred that the value of length of the length of line segment AB than line segment BC, which is more than or equal to 0.9, is less than or equal to 0.98.
In any of the above-described embodiment, it is preferable that the first prismatic blade 22 of each blade of multiple blades 2 is on chassis 1
Tilt that the inclination extending direction extended is consistent and/or each blade of multiple blades 2 from the outer side on chassis 1 to the inside on chassis 1
The second prismatic blade 24 on chassis 1 from the interior side of the first prismatic blade 22 to the inside on chassis 1 tilt extend inclination extension side
To consistent.
In those embodiments, the inclination of the first prismatic blade 22 and the second prismatic blade 24 of each blade of multiple blades 2
Extending direction is consistent so that the gentle circulation dog-ear of setting angle of all blades 2 is consistent, so that flow direction of wind etc. is equal
Unanimously, it is thus possible to improve the performance indicators such as air quantity, efficiency, the noise of impeller on the whole.
In any of the above-described embodiment, it is preferable that as shown in Figure 1, chassis 1, multiple blades 2 and frame 3 are integral type knot
Structure.
In those embodiments, chassis 1, multiple blades 2 and frame 3 are preferably an integral structure, because being an integral structure
Mechanical property it is good, it is thus possible to the bonding strength between chassis 1, multiple blades 2 and frame 3 is ensured, in addition, can also be by chassis
1, multiple blades 2 and frame 3 are made into integration, batch production, to improve the production efficiency of product, reduce the production and processing of product at
This.Certainly, chassis 1, multiple blades 2 and frame 3 or split structure, you can detaching structure.
In any of the above-described embodiment, it is preferable that as depicted in figs. 1 and 2, the first prismatic blade 22 is with the second prismatic blade 24
Integral structure.
In those embodiments, the first prismatic blade 22 is preferably an integral structure with the second prismatic blade 24, because of integral type
The mechanical property of structure is good, it is thus possible to the bonding strength between the first prismatic blade 22 and the second prismatic blade 24 is ensured, in addition, also
First prismatic blade 22 and the second prismatic blade 24 can be made into integration, be produced in batches, to improve the production efficiency of product, reduce product
Production and processing cost.Certainly, the first prismatic blade 22 and the second prismatic blade 24 or split structure, you can detaching structure.
In any of the above-described embodiment, it is preferable that as depicted in figs. 1 and 2, the thickness phase of the first prismatic blade 22 throughout
Deng and/or the second prismatic blade 24 thickness throughout is equal and/or the first prismatic blade 22 thickness throughout to be equal to second straight
The thickness of blade 24 throughout.
In those embodiments, the first prismatic blade 22 and/or the second prismatic blade 24 can be arranged to uniform thickness, can made in this way
The structure of blade 2 is simpler, thus more preferable processing.It is preferred that can be by the first prismatic blade 22 and the second prismatic blade 24
Thickness is arranged to unanimously make the thickness uniformity of entire blade 2 in this way.Certainly, the first prismatic blade 22 and the second straight leaf
Piece 24 is also not provided with into uniform thickness.
In any of the above-described embodiment, it is preferable that chassis 1, multiple blades 2 and frame 3 are metalwork and/or chassis
1, multiple blades 2 and frame 3 are molded by integrated punching.
In those embodiments, chassis 1, multiple blades 2 and frame 3 are preferably that metalwork is made, and can ensure that leaf in this way
The intensity and high temperature resistance of wheel, so that impeller is durable.It is further preferred that chassis 1, multiple blades 2 and frame 3 pass through
Integrated punching is molded, because punch forming can be used for metal, thus can be molded impeller by metal integrated punching, so i.e.
Impeller can be made to be integrally machined molding, thus just do not had to separate machineds such as chassis 1, impellers, thus processing cost can be reduced,
Processing efficiency is improved, the competitiveness of product in market is improved.In addition, punch forming is for pouring technology, cost is also more
It is low, thus integrated punching molding can also reduce the processing cost of impeller.
In any of the above-described embodiment, it is preferable that as depicted in figs. 1 and 2, axle sleeve 4, axle sleeve 4 are equipped on the middle part on chassis 1
On be provided with axis hole 42.
In those embodiments, the processing of axis hole 42 can be realized by the way that axle sleeve 4 is arranged, and axis hole 42 is used for motor etc.
The driving axis connection of driving device, to realize the driving to impeller.
In any of the above-described embodiment, it is preferable that as depicted in figs. 1 and 2, the interior sidewall surface of axis hole 42 passes through interconnection
A plane 422 and a cambered surface 424 composition.
In those embodiments, 424 groups of a plane 422 and a cambered surface that the interior sidewall surface of axis hole 42 passes through interconnection
At and plane 422 can make axis hole 42 form a flat position, and the presence of flat position so that impeller is carrying out group with motor shaft etc.
When dress, impeller by flat position and motor shaft can tentatively fix, just only need to be in motor shaft in this way in specific assembling process
End face carry out screw fix, without playing screw from 4 side of axle sleeve, to one side can be improved between impeller and motor
On the other hand installation effectiveness can avoid screw and deflect and cause impeller to be stuck on motor shaft and take to get off and beat during screw
Tool is by 2 collision deformation of blade.
In any of the above-described embodiment, it is preferable that axle sleeve 4 is mounted on by way of welding or riveting on chassis 1.
In those embodiments, axle sleeve 4 can be mounted on by the modes such as welding, riveting on chassis 1, because of welding and riveting
Mounting means it is reliable and at low cost, thus can either ensure that the installation reliability of axle sleeve 4 can reduce the whole of product again
Body cost.
The embodiment of the utility model second aspect provides a kind of wind turbine (not shown), which includes first party
The impeller that any one of face embodiment provides.
The wind turbine that embodiment according to the present utility model provides, the impeller with the offer of first aspect any embodiment, because
This, the embodiments of the present invention provide wind turbine have first aspect any embodiment provide impeller all beneficial to imitate
Fruit, it is numerous to list herein.
The embodiment of the utility model third aspect provides a kind of gas heater (not shown), the gas and hot water
Device includes the wind turbine that any one of first aspect embodiment provides.
The gas heater that embodiment according to the present utility model provides, the wind provided with second aspect any embodiment
Machine, therefore, the gas heater that the embodiments of the present invention provide have the wind turbine of second aspect any embodiment offer
Whole advantageous effects, it is numerous to list herein.
In the description of this specification, the orientation or positional relationship of the instructions such as term "inner", "outside" is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as new to this practicality
The limitation of type；Term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection,
It may be a detachable connection, or be integrally connected；It can be directly connected, it can also be indirectly connected through an intermediary.It is right
For those skilled in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be
Justice.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of impeller, which is characterized in that including：
Chassis；
One end of multiple blades, the multiple blade is arranged along the circumferentially-spaced of the chassis and in a ring on the chassis
On, the other end of the multiple blade extends to the direction far from the chassis, and the blade includes mutually connecting in predetermined angle α
The first prismatic blade and the second prismatic blade connect；
Frame, the frame are connect with the end of the one end of the multiple blade far from the chassis；
Wherein, first prismatic blade tilts from the outer side on the chassis to the inside on the chassis on the chassis and extends,
Second prismatic blade is tilted from the interior side of first prismatic blade to the inside on the chassis to be extended, and the predetermined angle α is big
It is less than 180 ° in 0 °.
2. impeller according to claim 1, which is characterized in that
The predetermined angle α is more than or equal to 90 ° and is less than 180 °.
3. impeller according to claim 2, which is characterized in that
The predetermined angle α is more than or equal to 129 ° and is less than or equal to 133 °.
4. impeller according to claim 1, which is characterized in that
Width of first prismatic blade in the circumferential direction on the chassis is L1, and second prismatic blade is on the chassis
Width in circumferential direction is L2, wherein L1：The value of L2 is more than or equal to 0.9 and is less than or equal to 0.98.
5. impeller according to claim 1, which is characterized in that
The central point on the chassis is O, and the longitudinal section at the center of excessively described first prismatic blade of first prismatic blade is at the bottom
Orthographic projection on disk is first straight line AB, and the longitudinal section at the center of excessively described second prismatic blade of second prismatic blade is at the bottom
Orthographic projection on disk is second straight line BC, wherein the angle crossed between the straight line of AC and the straight line for crossing OA is θ, and θ is more than or equal to
32 ° are less than or equal to 36 °, or the length and line that the angle theta crossed between the straight line of AC and the straight line for crossing OA is 34 ° and/or line segment AB
Ratio between the length of section BC is more than or equal to 0.9 and is less than or equal to 0.98.
6. impeller according to claim 1, which is characterized in that
First prismatic blade of each blade of the multiple blade is on the chassis from the outer side on the chassis to the chassis
Inside tilt that the inclination extending direction extended is consistent and/or the second prismatic blade of each blade of the multiple blade is in institute
It is consistent to state the inclination extending direction for tilting and extending from the interior side of first prismatic blade to the inside on the chassis on chassis.
7. impeller according to any one of claim 1 to 6, which is characterized in that
The chassis, the multiple blade and the frame are an integral structure；And/or
First prismatic blade is an integral structure with second prismatic blade；And/or
The thickness of first prismatic blade throughout is equal and/or second prismatic blade thickness throughout is equal, and/or
The thickness of first prismatic blade throughout is equal to the thickness of second prismatic blade throughout.
8. impeller according to claim 7, which is characterized in that
The chassis, the multiple blade and the frame are the metalwork and/or chassis, the multiple blade and institute
Frame is stated to be molded by integrated punching.
9. impeller according to any one of claim 1 to 6, which is characterized in that
It is equipped with axle sleeve on the middle part on the chassis, axis hole is provided on the axle sleeve.
10. the impeller stated according to claim 9, which is characterized in that
The interior sidewall surface of the axis hole is made up of a plane of interconnection and a cambered surface；And/or
The axle sleeve is mounted on by way of welding or riveting on chassis.
11. a kind of wind turbine, which is characterized in that include the impeller as described in any one of claims 1 to 10.
12. a kind of gas heater, which is characterized in that including wind turbine as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173437.9U CN207920954U (en) | 2018-02-01 | 2018-02-01 | Impeller, wind turbine and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173437.9U CN207920954U (en) | 2018-02-01 | 2018-02-01 | Impeller, wind turbine and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920954U true CN207920954U (en) | 2018-09-28 |
Family
ID=63602468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820173437.9U Active CN207920954U (en) | 2018-02-01 | 2018-02-01 | Impeller, wind turbine and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578327A (en) * | 2018-12-07 | 2019-04-05 | 佛山市南海九洲普惠风机有限公司 | A kind of backward inclined type of impeller |
| CN111434944A (en) * | 2019-01-15 | 2020-07-21 | 山东金帝精密机械科技股份有限公司 | Rotor, hydraulic retarder and manufacturing process of rotor |
-
2018
- 2018-02-01 CN CN201820173437.9U patent/CN207920954U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578327A (en) * | 2018-12-07 | 2019-04-05 | 佛山市南海九洲普惠风机有限公司 | A kind of backward inclined type of impeller |
| CN109578327B (en) * | 2018-12-07 | 2023-09-05 | 佛山市南海九洲普惠风机有限公司 | Backward bending impeller |
| CN111434944A (en) * | 2019-01-15 | 2020-07-21 | 山东金帝精密机械科技股份有限公司 | Rotor, hydraulic retarder and manufacturing process of rotor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221102 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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| TR01 | Transfer of patent right |