CN209370151U - A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher - Google Patents
A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher Download PDFInfo
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- CN209370151U CN209370151U CN201821968287.7U CN201821968287U CN209370151U CN 209370151 U CN209370151 U CN 209370151U CN 201821968287 U CN201821968287 U CN 201821968287U CN 209370151 U CN209370151 U CN 209370151U
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Abstract
The utility model relates to a kind of high-intensitive centrifugal impellers and motor suitable for dust catcher, are made of several parts such as impeller upper cover, impeller lower cover and centrifuge blades, wherein impeller lower cover and impeller upper cover arranged concentric have same central axis.Centrifuge blade is arranged along central axis circumferential direction uniform intervals.At least two tie points are provided in top edge face, the lower edge face of centrifuge blade, it is fixedly connected with respectively realizing with impeller upper cover, impeller lower cover, wherein, for single top edge face or lower edge face, each tie point apart from its respectively outer end distance be no more than 0.2mm.So, without increasing the distribution density of tie point, it is only necessary to be defined to the relative position of tie point, the Oscillation Amplitude of centrifuge blade edge surface and lower edge face end thereon can be reduced, and then improve bonding strength and fatigue durability.
Description
Technical field
The utility model relates to cleaner technology field, especially a kind of high-intensitive centrifugal impeller suitable for dust catcher and
It include the motor of above-mentioned centrifugal impeller.
Background technique
Centrifugal impeller is one of core component of motor, by impeller upper cover, impeller lower cover and is fixed between the two
Centrifuge blade is constituted, by the high speed rotation of centrifugal impeller to suck air, to reach the clean effect of dust suction.Centrifugal impeller institute
The air of sucking flows through flow-guiding channel, and at the same time, air also causes laterally the centrifuge blade for forming the flow-guiding channel two sides
Extruding force.When lateral force is more than that the utmost carrying ability of centrifuge blade, especially centrifugal impeller carry out ultrahigh speed (1.1 × 105r/min)
When rotation, it can be fallen off with the tie point of impeller upper cover and impeller lower cover, so that impeller is caused to rupture, motor failure etc.
Problem seriously affects the work of dust catcher.
In order to improve the connectivity robustness of centrifuge blade and impeller upper cover and impeller lower cover, common way usually has two
Kind: 1) increase the distribution density of tie point；2) centrifugal impeller is thickened, the cross-sectional area of tie point is increased.However it above two does
There is following problems for method: when using the first way, can inevitably increase the number of tie point, to increase protrusion
The connection bump number of impeller upper cover and impeller lower cover, reduces impeller working efficiency；When doing French using second, need
The thickness of centrifugal impeller is at least increased into 1mm, can be well solved bonding strength problem, and when the airflow design of impeller is closed
The operating noise of its own is also not apparent from increase in the case where reason, but increases the self weight of centrifugal impeller therewith, increases life
Manufacturing cost is produced, and impeller hydraulic efficiency reduces, and increases the energy consumption of motor.Thus, it would be highly desirable to the new technology of technical staff's demand
Scheme is to solve the above problems.
Utility model content
First technical problem to be solved in the utility model is to provide that a kind of design of structure is simple, and operating noise is small, energy
Consumption is few, the high high-intensitive centrifugal impeller of structural strength.
In addition, second technical problem to be solved in the utility model is to provide a kind of above-mentioned high-intensitive centrifugal impeller of use
Motor.
In order to solve the above-mentioned technical problem, the utility model relates to a kind of high-intensitive centrifugal impellers, comprising: on impeller
Lid；
Impeller lower cover has same central axis with impeller upper cover arranged concentric；
Centrifuge blade is arranged along central axis circumferential direction uniform intervals；
Flow-guiding channel is formed between adjacent two pieces of centrifuge blades；
At least two tie points are provided in top edge face, the lower edge face of centrifuge blade, respectively to realize and leaf
Wheel upper cover, impeller lower cover are fixedly connected, wherein for above-mentioned top edge face, each tie point is apart from its outer end thereon
Distance be no more than 0.2mm；For above-mentioned lower edge face, distance of each tie point apart from its outer end is no more than thereon
0.2mm。
Centrifugal impeller by adopting the above technical scheme, without increasing the distribution density of tie point, it is only necessary to tie point with from
The relative position of heart blade tip is defined, to reduce the vibration of centrifuge blade edge surface and lower edge face end thereon
Dynamic amplitude, and then bonding strength and fatigue durability are improved, prevent the generation of cracking phenomena.
As the further improvement of above-mentioned utility model, the forming surface of centrifuge blade by spiral camber and is set to the spiral shell
Revolve the two sides of curved surface, the outer rim inclined-plane of smooth transition, inner edge inclined-plane composition.
Compared to traditional single circular arc or single conchoid centrifuge blade, three-stage design side is used in the above-mentioned technical solutions
Case, and outermost end takes bevel-faced form, consequently facilitating positioning during practical set to centrifuge blade, improves it and connects point
Set precision；In addition, may make centrifuge blade that there is better aeroperformance, impact of the air-flow to blade is reduced, is effectively reduced
The operating noise of centrifugal impeller.
As the further improvement of above-mentioned utility model, the equation of spiral camber is
Wherein, And as k > 0,r
It is expressed as the radius of spin, r1、r2It is expressed as centrifuge blade inlet radius and centrifuge blade exit radius, β1、β2It respectively indicates
Laying angle is exported for centrifuge blade import laying angle and centrifuge blade, φ is expressed as the cornerite of centrifuge blade, and θ is expressed as centrifugation leaf
The polar angle of piece.
Be configured by using above-mentioned technical proposal, the flow-guiding channel formed at this time along impeller lower cover outer edge to
Interior direction becomes narrow gradually, and when gas is sucked from flow-guiding channel, the speed of air-flow can why big with narrowing for flow-guiding channel,
Improve the supercharging effect of centrifugal impeller.
As the further improvement of above-mentioned utility model, 15~20 ° of value of centrifuge blade import laying angle；Centrifuge blade goes out
25~30 ° of value of laying angle of mouth.
As the further improvement of above-mentioned utility model, the diameter of impeller lower cover is set as D1, the diameter of impeller upper cover sets
It is set to D2, then D2/D1=1.1~1.3.
It is proved by actual experiment, the gas flowing when being configured by using above-mentioned technical proposal in flow-guiding channel
Property it is preferable so that centrifuge blade have preferable stress, reduce tie point occur crackle probability.
As the further improvement of above-mentioned utility model, noise-reducing structure is provided on centrifuge blade, i.e., on inner edge inclined-plane
On be provided with chamfered edge, and gradient is not more than 1: 5；Curved opening is offered in centrifuge blade outer ledge, and along outer ledge
Lower direction is uniformly distributed.
It is configured by using above-mentioned technical proposal, so that centrifuge blade is in the actual moving process of dust catcher outside it
Each region stress size and direction of side edge and inside edge reach unanimity, so that air-flow flows through the outside of centrifuge blade
It is respectively formed tip shedding vortex behind edge and inside edge, thereby reduces the operating noise of centrifugal impeller.
As the further improvement of above-mentioned utility model, splitterr vanes are provided in flow-guiding channel.Splitterr vanes with from
The trend of lobus cardiacus piece is consistent, extends internally along the outer edge of impeller lower cover, and its thickness is along the radial direction of centrifugal impeller
Direction, ecto-entad are gradually reduced.The height of splitterr vanes is no more than 1/ in centrifuge blade height on same radial section
3。
It is configured by using above-mentioned technical proposal, reduces the change rate of flow-guiding channel inner volume, so that gas
The flowing velocity flowed in flow-guiding channel tends to the generation for uniformly reducing turbulent flow phenomenon, so that the work for lowering centrifugal impeller is made an uproar
Sound.
As the further improvement of above-mentioned utility model, it is set to top edge face, the tie point in lower edge face is riveting point
Or pad.
Select rivet or weld as centrifuge blade and impeller upper cover, the connection type of impeller lower cover, so that assembling process
It is more quick, and there is preferable bonding strength after the assembly is completed, and under the auxiliary of tooling, it is easy to implement assembling process oneself
Dynamicization.
As the further improvement of above-mentioned utility model, the outer end in top edge face is not small at a distance from impeller upper cover outer rim
In 1.2mm；Lower edge face is not less than 1.2mm at a distance from impeller lower cover outer rim.
As the further improvement of above-mentioned utility model, coating is provided on centrifuge blade.The coating is composite coating,
Including SiC wearing layer and the MCrAlX coating that is compatible on the outside of it, wherein M refers to any in Ni, Co or Fe, and X is referred to
It is any in Zr or Hf.
(it is greater than 1.1 × 10 when centrifugal impeller carries out ultrahigh speed operating5When r/min), the air-flow that circulates in flow-guiding channel
Centrifuge blade surface can be caused to wear, or even will form impact dent, to increase the operating noise of centrifugal impeller.Pass through
By adopting the above technical scheme, SiC wearing layer has preferable heat-resisting quantity, and has preferable combine with centrifuge blade matrix
Property, it is even more important that when MCrAlX coating has good self-repairability, in this way, not only there is centrifuge blade
Excellent wearability.
In addition, also disclosing a kind of motor, which employs above-mentioned high-intensitive centrifugal impellers to be assembled.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of the utility model high intensity centrifugal impeller.
Fig. 2 is the arranged distribution figure of centrifuge blade in the utility model high intensity centrifugal impeller.
Fig. 3 is location diagram of the centrifuge blade relative to impeller upper and lower cover in the utility model high intensity centrifugal impeller.
Fig. 4 is the structural schematic diagram of centrifuge blade in the utility model high intensity centrifugal impeller.
Fig. 5 is definition and the correlation figure of each parameter of the utility model production spiral camber equation.
1- impeller upper cover；2- impeller lower cover；3- centrifuge blade；The top edge 31- face；The top edge 311- face outer end；Under 32-
Edge surface；321- lower edge face outer end；33- spiral camber；34- outer rim inclined-plane；The inner edge 35- inclined-plane；4- flow-guiding channel；5- connects
Contact.
Specific embodiment
In the description of the present invention, it should be understood that the orientation of the instructions such as term "inner", "outside", "upper", "lower"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In the conventional production process of centrifugal impeller, centrifuge blade is realized by connection types such as rivet or welds and impeller
The fixation of upper cover, impeller lower cover limits for assembly technology and ensures that the integral strength of centrifugal impeller considers, riveting point or weldering
Distance of the contact apart from the upper and lower edge surface outer end of centrifuge blade is typically no less than 1mm, and impeller upper cover and impeller lower cover only exceed
The distance of centrifuge blade about 0.5 is between 1mm, so that and there is cracking risk in upper and lower edge surface outer end in the case where running at high speed,
Reduce the bonding strength of tie point.To solve the above-mentioned problems, following solution is proposed in the present invention, specifically such as
Under: in order to make it easy to understand, being described in detail with reference to the accompanying drawing to the utility model, Fig. 1 is the utility model high intensity
The perspective view of centrifugal impeller.The centrifugal impeller is double shrouded wheel, by impeller upper cover 1, impeller lower cover 2 and centrifuge blade 3 etc.
Several parts are constituted, wherein above-mentioned impeller upper cover 1 and 2 arranged concentric of impeller lower cover have same central axis.Centrifuge blade 3 is arranged
It is 7.Centrifuge blade 3 is arranged circumferentially (as shown in Figure 2) along central axis, and the top edge face 31 of centrifuge blade 3,
Lower edge face 32 is provided at least two tie points 5, is connected with respectively realizing with impeller upper cover 1, the fixed of impeller lower cover 2
It connects.In view of the outer end of centrifuge blade is therefore the centrifugal force maximum being subject to can be set in the company on centrifuge blade 3
Contact 5 is set as follows: for single top edge face 31, each tie point 5 for being arranged thereon apart from its outer end 311 away from
Be no more than 0.2mm from D, lower edge face 32 5 distribution mode of tie point be analogous to top edge face 31, i.e., for single following
For edge face 32, distance of each tie point 5 being arranged thereon apart from its outer end 321 is also no more than 0.2mm (such as institute in Fig. 4
Show).So, without increasing the distribution density of tie point 5, it is only necessary to be defined to the relative position of tie point 5
Oscillation Amplitude value of the outer end in reduction top edge face 31 and lower edge face 32 in centrifugal impeller actual moving process, Jin Erti
High bonding strength and fatigue durability.In addition, can be verified by using above-mentioned technical proposal with actual experiment: can guarantee
Under the premise of 3 service life of centrifuge blade, by its thickness control in 0.6mm, thus (at least compared to traditional centrifuge blade thickness
25% 0.8mm) is reduced, production cost is greatly reduced.
Furthermore can also be set as follows: the outer end in top edge face 31 is not less than with 1 outer rim distance M of impeller upper cover
1.2mm, preferably 1.2~3mm；Analogously, lower edge face 32 and 2 outer rim distance N of impeller lower cover is also not less than 1.2mm, excellent
1.2~3mm (as shown in Figure 3) is selected, so, facilitates ensuring that centrifugal impeller when carrying out dynamic balance running on its impeller
Lid 1 and impeller lower cover 2 itself have enough chipping allowances, improve the precision and efficiency of cutting, and then be advantageously implemented centrifugation
The dynamic balancing of impeller.
The number of centrifuge blade 3 not only can be set to above-mentioned 7, can also be set as other numbers according to actual needs
Mesh.It should be noted that, the number of above-mentioned centrifuge blade 3 must be relatively prime with the stationary blade wheel number of blade odd even to match with it herein, from
And prevent its centrifugal impeller when carrying out high speed rotation from covibration occurs, the stationarity for keeping it to operate, and optimize centrifugation
The stress of blade 3, to improve its fatigue resistance.
It is known that being centrifuged leaf when centrifugal impeller carries out high speed rotation around its own rotation center (i.e. above-mentioned central axis)
Each region of piece 3 with the distance far from central axis increase, suffered by centrifugal force it is bigger, therefore, the outside of centrifuge blade 3
Centrifugal force suffered by edge is maximum, and in order to ensure its connection reliability, multiconnection point fixed form can be used to it, be
(it is no more than 5mm) in the outer peripheral a short distance of centrifuge blade 3 and is provided at least two tie points 5.
Compared to traditional single circular arc or single conchoid centrifuge blade, three-stage design side is used in the above-mentioned technical solutions
Formula, the i.e. forming surface of centrifuge blade 3 by spiral camber 33 and can be set to the two sides of the spiral camber 33, smooth transition
Outer rim inclined-plane 34, inner edge inclined-plane 35 are constituted.So, on the one hand, convenient for being carried out during practical set to centrifuge blade 3
Positioning, improves the position precision of its tie point 5；On the other hand, it so that centrifuge blade 3 has better aeroperformance, prevents disorderly
Flow phenomenon occurs, and reduces impact of the air-flow to blade, significantly reduces the operating noise of centrifugal impeller.As above-mentioned technical side
Case advanced optimizes, and can carry out the processing of rounding angle to the free end on inner edge inclined-plane 35.
It, can to the shape of above-mentioned spiral camber 33 as further optimization in order to improve the supercharging effect of centrifugal impeller
Specifically limited: the equation of spiral camber 33 asWherein, And as k > 0,Fig. 5
The definition and correlation figure r for showing each parameter of the utility model production spiral camber equation are expressed as the radius of spin,
r1、r2It is expressed as the inlet radius and exit radius of blade of centrifuge blade 3, β1、β2Be expressed as centrifuge blade 3 into
Mouth laying angle and outlet laying angle, φ are expressed as the cornerite of centrifuge blade 3, and θ is expressed as the polar angle of centrifuge blade 3.By using
Above-mentioned technical proposal is configured, so that flow-guiding channel 4 becomes narrow gradually along the outer edge inward direction of impeller lower cover 2, works as gas
When body is sucked from flow-guiding channel 4, the speed of air-flow can narrowing and increase with flow-guiding channel 4.The import of centrifuge blade 3 is pacified
Putting the preferred value range in angle is 15~20 °；The preferred value range of outlet laying angle of centrifuge blade 3 is 25~30 °.
Furthermore in order to enable air has preferable flow regime when flowing through flow-guiding channel 4, optimize each centrifugation as much as possible
The stress of blade 3 has carried out range restriction to the diameter ratio of impeller upper cover 1 and impeller lower cover 2 in this embodiment.Pass through
Software sunykatuib analysis and experimental demonstration, discovery are real when 1.1~1.3 times that the diameter of impeller upper cover 1 is impeller lower cover diameter 2
Border effect is best.Furthermore it is also possible to be defined to the thickness of impeller upper cover 1 and impeller lower cover 2, examined from the integral strength of structure
Consider, the thickness of the two cannot be less than 1mm, and general value is that 2~2.5 times of 3 thickness value of centrifuge blade are advisable.
Furthermore noise-reducing structure (not shown) can also be provided on centrifuge blade 3, concrete mode push piece is as follows:
Chamfered edge is provided on the inner sidewall on inner edge inclined-plane 35, gradient is not more than 1: 5, and the edge thickness of chamfered edge cannot be less than the heart
0.4mm；In addition, it is also necessary to curved opening is opened up in the outer ledge of centrifuge blade 3, and uniformly distributed along outer ledge up and down direction,
So that each region stress size of its outer ledge and inside edge in the actual moving process of dust catcher of centrifuge blade 3
And direction is reached unanimity so that air-flow flow through centrifuge blade 3 outer ledge and inside edge after be respectively formed blade tip and fall off
Whirlpool thereby reduces the operating noise of centrifugal impeller 3.Each centrifugal impeller revolving speed is maintained 1.1 × 10 always5R/min passes through
A large amount of grouping experiments, the results showed that centrifugal impeller in the present embodiment compared to the prior art in centrifugal impeller, noise is total
Value at least reduces 0.4dB (A), and its level of noise being in when rotating peak value is reduced 10~20dB.
In addition, the substitution as above-mentioned curved opening noise reduction mode, can along centrifuge blade 3 outer ledge, inside 3
~5mm opens up a series of through-hole (not shown)s, and diameter cannot be less than the plate thickness of 1.2 times of centrifuge blades 3.Because being centrifuged
The exit of blade 3 often will appear vortex segregation phenomenon, and fraction can be made to be centrifuged leaf certainly using above-mentioned perforation method
The higher-pressure region of piece 3 flows to the low-pressure area of its opposing face, to reduce the operating noise of centrifugal impeller.
As shown in Figure 2, along the radial direction of centrifugal impeller, ecto-entad, water conservancy diversion is logical, and 4 contraction is more serious, from
And the air velocity at 4 entry and exit of flow-guiding channel is caused to change greatly, it is hardly formed even transition, to be easy to cause disorderly
Flow phenomenon occurs.Just because of this, can be provided with splitterr vanes (not shown) in flow-guiding channel 4, it is logical to reduce water conservancy diversion
Air velocity amplitude of variation at the entry and exit in road 4.Preferred arrangement is as follows: splitterr vanes move towards one with centrifuge blade 3
It causes, extends internally along the outer edge of impeller lower cover 2, and radial direction of its thickness along centrifugal impeller, ecto-entad
It is gradually reduced.The height of splitterr vanes is no more than 1/3 in 3 height of centrifuge blade on same radial section, extends depth not
Less than the 1/2 of 3 length of centrifuge blade.
It is known that when centrifugal impeller carries out ultrahigh speed operating (particularly greater than 1.1 × 105When r/min), in flow-guiding channel 4
The air-flow of circulation can cause to wear to 3 surface of centrifuge blade, or even will form impact dent, to increase the work of centrifugal impeller
Make noise.In order to solve the above-mentioned technical problem, wear-resistant coating (not shown) can be provided on centrifuge blade 3.The painting
Layer is preferably composite coating, including SiC wearing layer and the MCrAlX coating with self-reparing capability that is compatible on the outside of it,
In, M refers to any in Ni, Co or Fe, and X refers to any in Zr or Hf.
Above-mentioned tie point 5 is preferably produced by the mode of rivet or weld, on the one hand, is easy to implement Automated assembly；In addition
On the one hand, due to the self-characteristic for riveting and welding, centrifugal impeller has preferable fatigue durability after the assembly is completed.It needs herein
It is noted that impeller upper cover 1 and 2 outer edge of impeller lower cover are by biggish when centrifugal impeller carries out ultrahigh speed rotation
Centrifugal force effect, therefore, when the outer edge of riveting point or pad too close to the two, above-mentioned riveting point or pad hold very much
Easily become formation of crack.In order to prevent the generation of this phenomenon, must assure that during practical set riveting point or pad away from
From the outer edge of impeller upper cover 1 and impeller lower cover 2 at least 0.5mm.
Finally, which employs above-mentioned any high-intensitive centrifugal impeller dresses the invention also discloses a kind of motor
With forming.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of high-intensitive centrifugal impeller suitable for dust catcher, comprising: impeller upper cover；
Impeller lower cover has same central axis with the impeller upper cover arranged concentric；
Centrifuge blade is arranged along the central axis circumferential direction uniform intervals；
Flow-guiding channel is formed between adjacent two pieces of centrifuge blades；
It is characterized in that, top edge face, the lower edge face in the centrifuge blade are provided at least two tie points, with respectively
Ground is realized to be fixedly connected with the impeller upper cover, the impeller lower cover, wherein for the top edge face, thereon respectively
Distance of the tie point apart from its outer end is no more than 0.2mm；For the lower edge face, each tie point is outside it thereon
The distance of end is no more than 0.2mm.
2. the high-intensitive centrifugal impeller according to claim 1 suitable for dust catcher, which is characterized in that the centrifuge blade
Forming surface by spiral camber and be set to the two sides of the spiral camber, the outer rim inclined-plane of smooth transition, inner edge inclined-plane structure
At.
3. the high-intensitive centrifugal impeller according to claim 2 suitable for dust catcher, which is characterized in that the spiral camber
Equation beWherein,And
As k > 0, R is expressed as the radius of spin, r1、r2It is expressed as the centrifuge blade import
Radius and the centrifuge blade exit radius, β1、β2It is expressed as the centrifuge blade import laying angle and the centrifuge blade
Laying angle is exported, φ is expressed as the cornerite of the centrifuge blade, and θ is expressed as the polar angle of the centrifuge blade.
4. the high-intensitive centrifugal impeller according to claim 3 suitable for dust catcher, which is characterized in that the centrifuge blade
15~20 ° of import laying angle value；25~30 ° of the outlet laying angle value of the centrifuge blade.
5. the high-intensitive centrifugal impeller according to claim 4 suitable for dust catcher, which is characterized in that the impeller lower cover
Diameter be set as D1, the diameter of the impeller upper cover is set as D2, then D2/D1=1.1~1.3.
6. the high-intensitive centrifugal impeller according to claim 2 suitable for dust catcher, which is characterized in that in the centrifugation leaf
On piece is provided with noise-reducing structure, i.e., chamfered edge is provided on the inner edge inclined-plane, and gradient is not more than 1: 5；In the centrifugation leaf
Piece outer ledge offers curved opening, and uniformly distributed along the outer ledge up and down direction.
7. the high-intensitive centrifugal impeller according to claim 1 suitable for dust catcher, which is characterized in that logical in the water conservancy diversion
Splitterr vanes are provided in road；The splitterr vanes are consistent with the trend of the centrifuge blade, along the outer of the impeller lower cover
Edge extends internally, and its thickness is gradually reduced along the radial direction of centrifugal impeller, ecto-entad；The splitterr vanes
Height be no more than 1/3 of the centrifuge blade height on the same radial section.
8. the high-intensitive centrifugal impeller according to claim 1 suitable for dust catcher, which is characterized in that be set on described
Edge surface, the lower edge face tie point be riveting point or pad.
9. the high-intensitive centrifugal impeller according to claim 1 suitable for dust catcher, which is characterized in that the top edge face
Outer end at a distance from the impeller upper cover outer rim be not less than 1.2mm；The lower edge face and the impeller lower cover outer rim
Distance is not less than 1.2mm.
10. a kind of motor, including centrifugal impeller, which is characterized in that the centrifugal impeller is described in any one of claim 1-9
The high-intensitive centrifugal impeller suitable for dust catcher.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968287.7U CN209370151U (en) | 2018-11-27 | 2018-11-27 | A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher |
| PCT/CN2019/119686 WO2020108363A1 (en) | 2018-11-27 | 2019-11-20 | High-strength centrifugal impeller suitable for dust collector and electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968287.7U CN209370151U (en) | 2018-11-27 | 2018-11-27 | A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher |
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| CN209370151U true CN209370151U (en) | 2019-09-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340179A (en) * | 2018-11-27 | 2019-02-15 | 苏州工业园区星德胜电机有限公司 | A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher |
| WO2020108363A1 (en) * | 2018-11-27 | 2020-06-04 | 苏州工业园区星德胜电机有限公司 | High-strength centrifugal impeller suitable for dust collector and electric motor |
-
2018
- 2018-11-27 CN CN201821968287.7U patent/CN209370151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340179A (en) * | 2018-11-27 | 2019-02-15 | 苏州工业园区星德胜电机有限公司 | A kind of high-intensitive centrifugal impeller and motor suitable for dust catcher |
| WO2020108363A1 (en) * | 2018-11-27 | 2020-06-04 | 苏州工业园区星德胜电机有限公司 | High-strength centrifugal impeller suitable for dust collector and electric motor |
| CN109340179B (en) * | 2018-11-27 | 2024-05-10 | 星德胜科技(苏州)股份有限公司 | High-strength centrifugal impeller and motor suitable for dust collector |
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Address after: 215000 No. 15, linbu street, Weiting street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Xingdesheng Technology (Suzhou) Co., Ltd Address before: 15 linbu street, Weiting street, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: Suzhou Industrial Park xingdesheng Motor Co., Ltd |
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